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Diffstat (limited to 'src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library')
65 files changed, 42027 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/BaseLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/BaseLib.h new file mode 100644 index 0000000000..762cb9ac3a --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/BaseLib.h @@ -0,0 +1,7877 @@ +/** @file + Provides string functions, linked list functions, math functions, synchronization + functions, file path functions, and CPU architecture-specific functions. + +Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR> +Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> +Copyright (c) Microsoft Corporation.<BR> +Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR> + +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __BASE_LIB__ +#define __BASE_LIB__ + +// +// Definitions for architecture-specific types +// +#if defined (MDE_CPU_IA32) +/// +/// The IA-32 architecture context buffer used by SetJump() and LongJump(). +/// +typedef struct { + UINT32 Ebx; + UINT32 Esi; + UINT32 Edi; + UINT32 Ebp; + UINT32 Esp; + UINT32 Eip; + UINT32 Ssp; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 4 + +#endif // defined (MDE_CPU_IA32) + +#if defined (MDE_CPU_X64) +/// +/// The x64 architecture context buffer used by SetJump() and LongJump(). +/// +typedef struct { + UINT64 Rbx; + UINT64 Rsp; + UINT64 Rbp; + UINT64 Rdi; + UINT64 Rsi; + UINT64 R12; + UINT64 R13; + UINT64 R14; + UINT64 R15; + UINT64 Rip; + UINT64 MxCsr; + UINT8 XmmBuffer[160]; ///< XMM6-XMM15. + UINT64 Ssp; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#endif // defined (MDE_CPU_X64) + +#if defined (MDE_CPU_EBC) +/// +/// The EBC context buffer used by SetJump() and LongJump(). +/// +typedef struct { + UINT64 R0; + UINT64 R1; + UINT64 R2; + UINT64 R3; + UINT64 IP; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#endif // defined (MDE_CPU_EBC) + +#if defined (MDE_CPU_ARM) + +typedef struct { + UINT32 R3; ///< A copy of R13. + UINT32 R4; + UINT32 R5; + UINT32 R6; + UINT32 R7; + UINT32 R8; + UINT32 R9; + UINT32 R10; + UINT32 R11; + UINT32 R12; + UINT32 R14; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 4 + +#endif // defined (MDE_CPU_ARM) + +#if defined (MDE_CPU_AARCH64) +typedef struct { + // GP regs + UINT64 X19; + UINT64 X20; + UINT64 X21; + UINT64 X22; + UINT64 X23; + UINT64 X24; + UINT64 X25; + UINT64 X26; + UINT64 X27; + UINT64 X28; + UINT64 FP; + UINT64 LR; + UINT64 IP0; + + // FP regs + UINT64 D8; + UINT64 D9; + UINT64 D10; + UINT64 D11; + UINT64 D12; + UINT64 D13; + UINT64 D14; + UINT64 D15; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#endif // defined (MDE_CPU_AARCH64) + +#if defined (MDE_CPU_RISCV64) +/// +/// The RISC-V architecture context buffer used by SetJump() and LongJump(). +/// +typedef struct { + UINT64 RA; + UINT64 S0; + UINT64 S1; + UINT64 S2; + UINT64 S3; + UINT64 S4; + UINT64 S5; + UINT64 S6; + UINT64 S7; + UINT64 S8; + UINT64 S9; + UINT64 S10; + UINT64 S11; + UINT64 SP; +} BASE_LIBRARY_JUMP_BUFFER; + +#define BASE_LIBRARY_JUMP_BUFFER_ALIGNMENT 8 + +#endif // defined (MDE_CPU_RISCV64) + +// +// String Services +// + + +/** + Returns the length of a Null-terminated Unicode string. + + This function is similar as strlen_s defined in C11. + + If String is not aligned on a 16-bit boundary, then ASSERT(). + + @param String A pointer to a Null-terminated Unicode string. + @param MaxSize The maximum number of Destination Unicode + char, including terminating null char. + + @retval 0 If String is NULL. + @retval MaxSize If there is no null character in the first MaxSize characters of String. + @return The number of characters that percede the terminating null character. + +**/ +UINTN +EFIAPI +StrnLenS ( + IN CONST CHAR16 *String, + IN UINTN MaxSize + ); + +/** + Returns the size of a Null-terminated Unicode string in bytes, including the + Null terminator. + + This function returns the size of the Null-terminated Unicode string + specified by String in bytes, including the Null terminator. + + If String is not aligned on a 16-bit boundary, then ASSERT(). + + @param String A pointer to a Null-terminated Unicode string. + @param MaxSize The maximum number of Destination Unicode + char, including the Null terminator. + + @retval 0 If String is NULL. + @retval (sizeof (CHAR16) * (MaxSize + 1)) + If there is no Null terminator in the first MaxSize characters of + String. + @return The size of the Null-terminated Unicode string in bytes, including + the Null terminator. + +**/ +UINTN +EFIAPI +StrnSizeS ( + IN CONST CHAR16 *String, + IN UINTN MaxSize + ); + +/** + Copies the string pointed to by Source (including the terminating null char) + to the array pointed to by Destination. + + This function is similar as strcpy_s defined in C11. + + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Unicode string. + @param DestMax The maximum number of Destination Unicode + char, including terminating null char. + @param Source A pointer to a Null-terminated Unicode string. + + @retval RETURN_SUCCESS String is copied. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumUnicodeStringLength is not zero, + and DestMax is greater than + PcdMaximumUnicodeStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +StrCpyS ( + OUT CHAR16 *Destination, + IN UINTN DestMax, + IN CONST CHAR16 *Source + ); + +/** + Copies not more than Length successive char from the string pointed to by + Source to the array pointed to by Destination. If no null char is copied from + Source, then Destination[Length] is always set to null. + + This function is similar as strncpy_s defined in C11. + + If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Unicode string. + @param DestMax The maximum number of Destination Unicode + char, including terminating null char. + @param Source A pointer to a Null-terminated Unicode string. + @param Length The maximum number of Unicode characters to copy. + + @retval RETURN_SUCCESS String is copied. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than + MIN(StrLen(Source), Length). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumUnicodeStringLength is not zero, + and DestMax is greater than + PcdMaximumUnicodeStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +StrnCpyS ( + OUT CHAR16 *Destination, + IN UINTN DestMax, + IN CONST CHAR16 *Source, + IN UINTN Length + ); + +/** + Appends a copy of the string pointed to by Source (including the terminating + null char) to the end of the string pointed to by Destination. + + This function is similar as strcat_s defined in C11. + + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Unicode string. + @param DestMax The maximum number of Destination Unicode + char, including terminating null char. + @param Source A pointer to a Null-terminated Unicode string. + + @retval RETURN_SUCCESS String is appended. + @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than + StrLen(Destination). + @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT + greater than StrLen(Source). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumUnicodeStringLength is not zero, + and DestMax is greater than + PcdMaximumUnicodeStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +StrCatS ( + IN OUT CHAR16 *Destination, + IN UINTN DestMax, + IN CONST CHAR16 *Source + ); + +/** + Appends not more than Length successive char from the string pointed to by + Source to the end of the string pointed to by Destination. If no null char is + copied from Source, then Destination[StrLen(Destination) + Length] is always + set to null. + + This function is similar as strncat_s defined in C11. + + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Unicode string. + @param DestMax The maximum number of Destination Unicode + char, including terminating null char. + @param Source A pointer to a Null-terminated Unicode string. + @param Length The maximum number of Unicode characters to copy. + + @retval RETURN_SUCCESS String is appended. + @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than + StrLen(Destination). + @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT + greater than MIN(StrLen(Source), Length). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumUnicodeStringLength is not zero, + and DestMax is greater than + PcdMaximumUnicodeStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +StrnCatS ( + IN OUT CHAR16 *Destination, + IN UINTN DestMax, + IN CONST CHAR16 *Source, + IN UINTN Length + ); + +/** + Convert a Null-terminated Unicode decimal string to a value of type UINTN. + + This function outputs a value of type UINTN by interpreting the contents of + the Unicode string specified by String as a decimal number. The format of the + input Unicode string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before + [decimal digits]. The running zero in the beginning of [decimal digits] will + be ignored. Then, the function stops at the first character that is a not a + valid decimal character or a Null-terminator, whichever one comes first. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + If String has no valid decimal digits in the above format, then 0 is stored + at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINTN, then + MAX_UINTN is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + decimal digits right after the optional pad spaces, the value of String is + stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Unicode string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumUnicodeStringLength is not + zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINTN. + +**/ +RETURN_STATUS +EFIAPI +StrDecimalToUintnS ( + IN CONST CHAR16 *String, + OUT CHAR16 **EndPointer, OPTIONAL + OUT UINTN *Data + ); + +/** + Convert a Null-terminated Unicode decimal string to a value of type UINT64. + + This function outputs a value of type UINT64 by interpreting the contents of + the Unicode string specified by String as a decimal number. The format of the + input Unicode string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before + [decimal digits]. The running zero in the beginning of [decimal digits] will + be ignored. Then, the function stops at the first character that is a not a + valid decimal character or a Null-terminator, whichever one comes first. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + If String has no valid decimal digits in the above format, then 0 is stored + at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINT64, then + MAX_UINT64 is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + decimal digits right after the optional pad spaces, the value of String is + stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Unicode string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumUnicodeStringLength is not + zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINT64. + +**/ +RETURN_STATUS +EFIAPI +StrDecimalToUint64S ( + IN CONST CHAR16 *String, + OUT CHAR16 **EndPointer, OPTIONAL + OUT UINT64 *Data + ); + +/** + Convert a Null-terminated Unicode hexadecimal string to a value of type + UINTN. + + This function outputs a value of type UINTN by interpreting the contents of + the Unicode string specified by String as a hexadecimal number. The format of + the input Unicode string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. + If "x" appears in the input string, it must be prefixed with at least one 0. + The function will ignore the pad space, which includes spaces or tab + characters, before [zeros], [x] or [hexadecimal digit]. The running zero + before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts + after [x] or the first valid hexadecimal digit. Then, the function stops at + the first character that is a not a valid hexadecimal character or NULL, + whichever one comes first. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + If String has no valid hexadecimal digits in the above format, then 0 is + stored at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINTN, then + MAX_UINTN is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + hexadecimal digits right after the optional pad spaces, the value of String + is stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Unicode string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumUnicodeStringLength is not + zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINTN. + +**/ +RETURN_STATUS +EFIAPI +StrHexToUintnS ( + IN CONST CHAR16 *String, + OUT CHAR16 **EndPointer, OPTIONAL + OUT UINTN *Data + ); + +/** + Convert a Null-terminated Unicode hexadecimal string to a value of type + UINT64. + + This function outputs a value of type UINT64 by interpreting the contents of + the Unicode string specified by String as a hexadecimal number. The format of + the input Unicode string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. + If "x" appears in the input string, it must be prefixed with at least one 0. + The function will ignore the pad space, which includes spaces or tab + characters, before [zeros], [x] or [hexadecimal digit]. The running zero + before [x] or [hexadecimal digit] will be ignored. Then, the decoding starts + after [x] or the first valid hexadecimal digit. Then, the function stops at + the first character that is a not a valid hexadecimal character or NULL, + whichever one comes first. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + If String has no valid hexadecimal digits in the above format, then 0 is + stored at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINT64, then + MAX_UINT64 is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + hexadecimal digits right after the optional pad spaces, the value of String + is stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Unicode string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumUnicodeStringLength is not + zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINT64. + +**/ +RETURN_STATUS +EFIAPI +StrHexToUint64S ( + IN CONST CHAR16 *String, + OUT CHAR16 **EndPointer, OPTIONAL + OUT UINT64 *Data + ); + +/** + Returns the length of a Null-terminated Ascii string. + + This function is similar as strlen_s defined in C11. + + @param String A pointer to a Null-terminated Ascii string. + @param MaxSize The maximum number of Destination Ascii + char, including terminating null char. + + @retval 0 If String is NULL. + @retval MaxSize If there is no null character in the first MaxSize characters of String. + @return The number of characters that percede the terminating null character. + +**/ +UINTN +EFIAPI +AsciiStrnLenS ( + IN CONST CHAR8 *String, + IN UINTN MaxSize + ); + +/** + Returns the size of a Null-terminated Ascii string in bytes, including the + Null terminator. + + This function returns the size of the Null-terminated Ascii string specified + by String in bytes, including the Null terminator. + + @param String A pointer to a Null-terminated Ascii string. + @param MaxSize The maximum number of Destination Ascii + char, including the Null terminator. + + @retval 0 If String is NULL. + @retval (sizeof (CHAR8) * (MaxSize + 1)) + If there is no Null terminator in the first MaxSize characters of + String. + @return The size of the Null-terminated Ascii string in bytes, including the + Null terminator. + +**/ +UINTN +EFIAPI +AsciiStrnSizeS ( + IN CONST CHAR8 *String, + IN UINTN MaxSize + ); + +/** + Copies the string pointed to by Source (including the terminating null char) + to the array pointed to by Destination. + + This function is similar as strcpy_s defined in C11. + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Ascii string. + @param DestMax The maximum number of Destination Ascii + char, including terminating null char. + @param Source A pointer to a Null-terminated Ascii string. + + @retval RETURN_SUCCESS String is copied. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumAsciiStringLength is not zero, + and DestMax is greater than + PcdMaximumAsciiStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +AsciiStrCpyS ( + OUT CHAR8 *Destination, + IN UINTN DestMax, + IN CONST CHAR8 *Source + ); + +/** + Copies not more than Length successive char from the string pointed to by + Source to the array pointed to by Destination. If no null char is copied from + Source, then Destination[Length] is always set to null. + + This function is similar as strncpy_s defined in C11. + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Ascii string. + @param DestMax The maximum number of Destination Ascii + char, including terminating null char. + @param Source A pointer to a Null-terminated Ascii string. + @param Length The maximum number of Ascii characters to copy. + + @retval RETURN_SUCCESS String is copied. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than + MIN(StrLen(Source), Length). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumAsciiStringLength is not zero, + and DestMax is greater than + PcdMaximumAsciiStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +AsciiStrnCpyS ( + OUT CHAR8 *Destination, + IN UINTN DestMax, + IN CONST CHAR8 *Source, + IN UINTN Length + ); + +/** + Appends a copy of the string pointed to by Source (including the terminating + null char) to the end of the string pointed to by Destination. + + This function is similar as strcat_s defined in C11. + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Ascii string. + @param DestMax The maximum number of Destination Ascii + char, including terminating null char. + @param Source A pointer to a Null-terminated Ascii string. + + @retval RETURN_SUCCESS String is appended. + @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than + StrLen(Destination). + @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT + greater than StrLen(Source). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumAsciiStringLength is not zero, + and DestMax is greater than + PcdMaximumAsciiStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +AsciiStrCatS ( + IN OUT CHAR8 *Destination, + IN UINTN DestMax, + IN CONST CHAR8 *Source + ); + +/** + Appends not more than Length successive char from the string pointed to by + Source to the end of the string pointed to by Destination. If no null char is + copied from Source, then Destination[StrLen(Destination) + Length] is always + set to null. + + This function is similar as strncat_s defined in C11. + + If an error is returned, then the Destination is unmodified. + + @param Destination A pointer to a Null-terminated Ascii string. + @param DestMax The maximum number of Destination Ascii + char, including terminating null char. + @param Source A pointer to a Null-terminated Ascii string. + @param Length The maximum number of Ascii characters to copy. + + @retval RETURN_SUCCESS String is appended. + @retval RETURN_BAD_BUFFER_SIZE If DestMax is NOT greater than + StrLen(Destination). + @retval RETURN_BUFFER_TOO_SMALL If (DestMax - StrLen(Destination)) is NOT + greater than MIN(StrLen(Source), Length). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumAsciiStringLength is not zero, + and DestMax is greater than + PcdMaximumAsciiStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. +**/ +RETURN_STATUS +EFIAPI +AsciiStrnCatS ( + IN OUT CHAR8 *Destination, + IN UINTN DestMax, + IN CONST CHAR8 *Source, + IN UINTN Length + ); + +/** + Convert a Null-terminated Ascii decimal string to a value of type UINTN. + + This function outputs a value of type UINTN by interpreting the contents of + the Ascii string specified by String as a decimal number. The format of the + input Ascii string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before + [decimal digits]. The running zero in the beginning of [decimal digits] will + be ignored. Then, the function stops at the first character that is a not a + valid decimal character or a Null-terminator, whichever one comes first. + + If String has no valid decimal digits in the above format, then 0 is stored + at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINTN, then + MAX_UINTN is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + decimal digits right after the optional pad spaces, the value of String is + stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Ascii string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumAsciiStringLength is not zero, + and String contains more than + PcdMaximumAsciiStringLength Ascii + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINTN. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrDecimalToUintnS ( + IN CONST CHAR8 *String, + OUT CHAR8 **EndPointer, OPTIONAL + OUT UINTN *Data + ); + +/** + Convert a Null-terminated Ascii decimal string to a value of type UINT64. + + This function outputs a value of type UINT64 by interpreting the contents of + the Ascii string specified by String as a decimal number. The format of the + input Ascii string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before + [decimal digits]. The running zero in the beginning of [decimal digits] will + be ignored. Then, the function stops at the first character that is a not a + valid decimal character or a Null-terminator, whichever one comes first. + + If String has no valid decimal digits in the above format, then 0 is stored + at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINT64, then + MAX_UINT64 is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + decimal digits right after the optional pad spaces, the value of String is + stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Ascii string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumAsciiStringLength is not zero, + and String contains more than + PcdMaximumAsciiStringLength Ascii + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINT64. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrDecimalToUint64S ( + IN CONST CHAR8 *String, + OUT CHAR8 **EndPointer, OPTIONAL + OUT UINT64 *Data + ); + +/** + Convert a Null-terminated Ascii hexadecimal string to a value of type UINTN. + + This function outputs a value of type UINTN by interpreting the contents of + the Ascii string specified by String as a hexadecimal number. The format of + the input Ascii string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If + "x" appears in the input string, it must be prefixed with at least one 0. The + function will ignore the pad space, which includes spaces or tab characters, + before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or + [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or + the first valid hexadecimal digit. Then, the function stops at the first + character that is a not a valid hexadecimal character or Null-terminator, + whichever on comes first. + + If String has no valid hexadecimal digits in the above format, then 0 is + stored at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINTN, then + MAX_UINTN is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + hexadecimal digits right after the optional pad spaces, the value of String + is stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Ascii string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumAsciiStringLength is not zero, + and String contains more than + PcdMaximumAsciiStringLength Ascii + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINTN. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrHexToUintnS ( + IN CONST CHAR8 *String, + OUT CHAR8 **EndPointer, OPTIONAL + OUT UINTN *Data + ); + +/** + Convert a Null-terminated Ascii hexadecimal string to a value of type UINT64. + + This function outputs a value of type UINT64 by interpreting the contents of + the Ascii string specified by String as a hexadecimal number. The format of + the input Ascii string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If + "x" appears in the input string, it must be prefixed with at least one 0. The + function will ignore the pad space, which includes spaces or tab characters, + before [zeros], [x] or [hexadecimal digits]. The running zero before [x] or + [hexadecimal digits] will be ignored. Then, the decoding starts after [x] or + the first valid hexadecimal digit. Then, the function stops at the first + character that is a not a valid hexadecimal character or Null-terminator, + whichever on comes first. + + If String has no valid hexadecimal digits in the above format, then 0 is + stored at the location pointed to by Data. + If the number represented by String exceeds the range defined by UINT64, then + MAX_UINT64 is stored at the location pointed to by Data. + + If EndPointer is not NULL, a pointer to the character that stopped the scan + is stored at the location pointed to by EndPointer. If String has no valid + hexadecimal digits right after the optional pad spaces, the value of String + is stored at the location pointed to by EndPointer. + + @param String Pointer to a Null-terminated Ascii string. + @param EndPointer Pointer to character that stops scan. + @param Data Pointer to the converted value. + + @retval RETURN_SUCCESS Value is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If PcdMaximumAsciiStringLength is not zero, + and String contains more than + PcdMaximumAsciiStringLength Ascii + characters, not including the + Null-terminator. + @retval RETURN_UNSUPPORTED If the number represented by String exceeds + the range defined by UINT64. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrHexToUint64S ( + IN CONST CHAR8 *String, + OUT CHAR8 **EndPointer, OPTIONAL + OUT UINT64 *Data + ); + + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Copies one Null-terminated Unicode string to another Null-terminated Unicode + string and returns the new Unicode string. + + This function copies the contents of the Unicode string Source to the Unicode + string Destination, and returns Destination. If Source and Destination + overlap, then the results are undefined. + + If Destination is NULL, then ASSERT(). + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Destination The pointer to a Null-terminated Unicode string. + @param Source The pointer to a Null-terminated Unicode string. + + @return Destination. + +**/ +CHAR16 * +EFIAPI +StrCpy ( + OUT CHAR16 *Destination, + IN CONST CHAR16 *Source + ); + + +/** + [ATTENTION] This function is deprecated for security reason. + + Copies up to a specified length from one Null-terminated Unicode string to + another Null-terminated Unicode string and returns the new Unicode string. + + This function copies the contents of the Unicode string Source to the Unicode + string Destination, and returns Destination. At most, Length Unicode + characters are copied from Source to Destination. If Length is 0, then + Destination is returned unmodified. If Length is greater that the number of + Unicode characters in Source, then Destination is padded with Null Unicode + characters. If Source and Destination overlap, then the results are + undefined. + + If Length > 0 and Destination is NULL, then ASSERT(). + If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Length is greater than + PcdMaximumUnicodeStringLength, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator, + then ASSERT(). + + @param Destination The pointer to a Null-terminated Unicode string. + @param Source The pointer to a Null-terminated Unicode string. + @param Length The maximum number of Unicode characters to copy. + + @return Destination. + +**/ +CHAR16 * +EFIAPI +StrnCpy ( + OUT CHAR16 *Destination, + IN CONST CHAR16 *Source, + IN UINTN Length + ); +#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES) + +/** + Returns the length of a Null-terminated Unicode string. + + This function returns the number of Unicode characters in the Null-terminated + Unicode string specified by String. + + If String is NULL, then ASSERT(). + If String is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + + @return The length of String. + +**/ +UINTN +EFIAPI +StrLen ( + IN CONST CHAR16 *String + ); + + +/** + Returns the size of a Null-terminated Unicode string in bytes, including the + Null terminator. + + This function returns the size, in bytes, of the Null-terminated Unicode string + specified by String. + + If String is NULL, then ASSERT(). + If String is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated Unicode string. + + @return The size of String. + +**/ +UINTN +EFIAPI +StrSize ( + IN CONST CHAR16 *String + ); + + +/** + Compares two Null-terminated Unicode strings, and returns the difference + between the first mismatched Unicode characters. + + This function compares the Null-terminated Unicode string FirstString to the + Null-terminated Unicode string SecondString. If FirstString is identical to + SecondString, then 0 is returned. Otherwise, the value returned is the first + mismatched Unicode character in SecondString subtracted from the first + mismatched Unicode character in FirstString. + + If FirstString is NULL, then ASSERT(). + If FirstString is not aligned on a 16-bit boundary, then ASSERT(). + If SecondString is NULL, then ASSERT(). + If SecondString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more + than PcdMaximumUnicodeStringLength Unicode characters, not including the + Null-terminator, then ASSERT(). + + @param FirstString The pointer to a Null-terminated Unicode string. + @param SecondString The pointer to a Null-terminated Unicode string. + + @retval 0 FirstString is identical to SecondString. + @return others FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +StrCmp ( + IN CONST CHAR16 *FirstString, + IN CONST CHAR16 *SecondString + ); + + +/** + Compares up to a specified length the contents of two Null-terminated Unicode strings, + and returns the difference between the first mismatched Unicode characters. + + This function compares the Null-terminated Unicode string FirstString to the + Null-terminated Unicode string SecondString. At most, Length Unicode + characters will be compared. If Length is 0, then 0 is returned. If + FirstString is identical to SecondString, then 0 is returned. Otherwise, the + value returned is the first mismatched Unicode character in SecondString + subtracted from the first mismatched Unicode character in FirstString. + + If Length > 0 and FirstString is NULL, then ASSERT(). + If Length > 0 and FirstString is not aligned on a 16-bit boundary, then ASSERT(). + If Length > 0 and SecondString is NULL, then ASSERT(). + If Length > 0 and SecondString is not aligned on a 16-bit boundary, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Length is greater than + PcdMaximumUnicodeStringLength, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and FirstString contains more than + PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator, + then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and SecondString contains more than + PcdMaximumUnicodeStringLength Unicode characters, not including the Null-terminator, + then ASSERT(). + + @param FirstString The pointer to a Null-terminated Unicode string. + @param SecondString The pointer to a Null-terminated Unicode string. + @param Length The maximum number of Unicode characters to compare. + + @retval 0 FirstString is identical to SecondString. + @return others FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +StrnCmp ( + IN CONST CHAR16 *FirstString, + IN CONST CHAR16 *SecondString, + IN UINTN Length + ); + + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Concatenates one Null-terminated Unicode string to another Null-terminated + Unicode string, and returns the concatenated Unicode string. + + This function concatenates two Null-terminated Unicode strings. The contents + of Null-terminated Unicode string Source are concatenated to the end of + Null-terminated Unicode string Destination. The Null-terminated concatenated + Unicode String is returned. If Source and Destination overlap, then the + results are undefined. + + If Destination is NULL, then ASSERT(). + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Destination contains more + than PcdMaximumUnicodeStringLength Unicode characters, not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters, not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination + and Source results in a Unicode string with more than + PcdMaximumUnicodeStringLength Unicode characters, not including the + Null-terminator, then ASSERT(). + + @param Destination The pointer to a Null-terminated Unicode string. + @param Source The pointer to a Null-terminated Unicode string. + + @return Destination. + +**/ +CHAR16 * +EFIAPI +StrCat ( + IN OUT CHAR16 *Destination, + IN CONST CHAR16 *Source + ); + + +/** + [ATTENTION] This function is deprecated for security reason. + + Concatenates up to a specified length one Null-terminated Unicode to the end + of another Null-terminated Unicode string, and returns the concatenated + Unicode string. + + This function concatenates two Null-terminated Unicode strings. The contents + of Null-terminated Unicode string Source are concatenated to the end of + Null-terminated Unicode string Destination, and Destination is returned. At + most, Length Unicode characters are concatenated from Source to the end of + Destination, and Destination is always Null-terminated. If Length is 0, then + Destination is returned unmodified. If Source and Destination overlap, then + the results are undefined. + + If Destination is NULL, then ASSERT(). + If Length > 0 and Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If Length > 0 and Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Length is greater than + PcdMaximumUnicodeStringLength, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Destination contains more + than PcdMaximumUnicodeStringLength Unicode characters, not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength Unicode characters, not including the + Null-terminator, then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and concatenating Destination + and Source results in a Unicode string with more than PcdMaximumUnicodeStringLength + Unicode characters, not including the Null-terminator, then ASSERT(). + + @param Destination The pointer to a Null-terminated Unicode string. + @param Source The pointer to a Null-terminated Unicode string. + @param Length The maximum number of Unicode characters to concatenate from + Source. + + @return Destination. + +**/ +CHAR16 * +EFIAPI +StrnCat ( + IN OUT CHAR16 *Destination, + IN CONST CHAR16 *Source, + IN UINTN Length + ); +#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES) + +/** + Returns the first occurrence of a Null-terminated Unicode sub-string + in a Null-terminated Unicode string. + + This function scans the contents of the Null-terminated Unicode string + specified by String and returns the first occurrence of SearchString. + If SearchString is not found in String, then NULL is returned. If + the length of SearchString is zero, then String is returned. + + If String is NULL, then ASSERT(). + If String is not aligned on a 16-bit boundary, then ASSERT(). + If SearchString is NULL, then ASSERT(). + If SearchString is not aligned on a 16-bit boundary, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and SearchString + or String contains more than PcdMaximumUnicodeStringLength Unicode + characters, not including the Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated Unicode string. + @param SearchString The pointer to a Null-terminated Unicode string to search for. + + @retval NULL If the SearchString does not appear in String. + @return others If there is a match. + +**/ +CHAR16 * +EFIAPI +StrStr ( + IN CONST CHAR16 *String, + IN CONST CHAR16 *SearchString + ); + +/** + Convert a Null-terminated Unicode decimal string to a value of + type UINTN. + + This function returns a value of type UINTN by interpreting the contents + of the Unicode string specified by String as a decimal number. The format + of the input Unicode string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The + function will ignore the pad space, which includes spaces or + tab characters, before [decimal digits]. The running zero in the + beginning of [decimal digits] will be ignored. Then, the function + stops at the first character that is a not a valid decimal character + or a Null-terminator, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, + then 0 is returned. + If the number represented by String overflows according + to the range defined by UINTN, then MAX_UINTN is returned. + + If PcdMaximumUnicodeStringLength is not zero, and String contains + more than PcdMaximumUnicodeStringLength Unicode characters not including + the Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated Unicode string. + + @retval Value translated from String. + +**/ +UINTN +EFIAPI +StrDecimalToUintn ( + IN CONST CHAR16 *String + ); + +/** + Convert a Null-terminated Unicode decimal string to a value of + type UINT64. + + This function returns a value of type UINT64 by interpreting the contents + of the Unicode string specified by String as a decimal number. The format + of the input Unicode string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The + function will ignore the pad space, which includes spaces or + tab characters, before [decimal digits]. The running zero in the + beginning of [decimal digits] will be ignored. Then, the function + stops at the first character that is a not a valid decimal character + or a Null-terminator, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, + then 0 is returned. + If the number represented by String overflows according + to the range defined by UINT64, then MAX_UINT64 is returned. + + If PcdMaximumUnicodeStringLength is not zero, and String contains + more than PcdMaximumUnicodeStringLength Unicode characters not including + the Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated Unicode string. + + @retval Value translated from String. + +**/ +UINT64 +EFIAPI +StrDecimalToUint64 ( + IN CONST CHAR16 *String + ); + + +/** + Convert a Null-terminated Unicode hexadecimal string to a value of type UINTN. + + This function returns a value of type UINTN by interpreting the contents + of the Unicode string specified by String as a hexadecimal number. + The format of the input Unicode string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. + If "x" appears in the input string, it must be prefixed with at least one 0. + The function will ignore the pad space, which includes spaces or tab characters, + before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or + [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the + first valid hexadecimal digit. Then, the function stops at the first character + that is a not a valid hexadecimal character or NULL, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then zero is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, + then zero is returned. + If the number represented by String overflows according to the range defined by + UINTN, then MAX_UINTN is returned. + + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, + then ASSERT(). + + @param String The pointer to a Null-terminated Unicode string. + + @retval Value translated from String. + +**/ +UINTN +EFIAPI +StrHexToUintn ( + IN CONST CHAR16 *String + ); + + +/** + Convert a Null-terminated Unicode hexadecimal string to a value of type UINT64. + + This function returns a value of type UINT64 by interpreting the contents + of the Unicode string specified by String as a hexadecimal number. + The format of the input Unicode string String is + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. + If "x" appears in the input string, it must be prefixed with at least one 0. + The function will ignore the pad space, which includes spaces or tab characters, + before [zeros], [x] or [hexadecimal digit]. The running zero before [x] or + [hexadecimal digit] will be ignored. Then, the decoding starts after [x] or the + first valid hexadecimal digit. Then, the function stops at the first character that is + a not a valid hexadecimal character or NULL, whichever one comes first. + + If String is NULL, then ASSERT(). + If String is not aligned in a 16-bit boundary, then ASSERT(). + If String has only pad spaces, then zero is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, + then zero is returned. + If the number represented by String overflows according to the range defined by + UINT64, then MAX_UINT64 is returned. + + If PcdMaximumUnicodeStringLength is not zero, and String contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, + then ASSERT(). + + @param String The pointer to a Null-terminated Unicode string. + + @retval Value translated from String. + +**/ +UINT64 +EFIAPI +StrHexToUint64 ( + IN CONST CHAR16 *String + ); + +/** + Convert a Null-terminated Unicode string to IPv6 address and prefix length. + + This function outputs a value of type IPv6_ADDRESS and may output a value + of type UINT8 by interpreting the contents of the Unicode string specified + by String. The format of the input Unicode string String is as follows: + + X:X:X:X:X:X:X:X[/P] + + X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and + [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low + memory address and high byte is stored in high memory address. P contains decimal + digit characters in the range [0-9]. The running zero in the beginning of P will + be ignored. /P is optional. + + When /P is not in the String, the function stops at the first character that is + not a valid hexadecimal digit character after eight X's are converted. + + When /P is in the String, the function stops at the first character that is not + a valid decimal digit character after P is converted. + + "::" can be used to compress one or more groups of X when X contains only 0. + The "::" can only appear once in the String. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + If EndPointer is not NULL and Address is translated from String, a pointer + to the character that stopped the scan is stored at the location pointed to + by EndPointer. + + @param String Pointer to a Null-terminated Unicode string. + @param EndPointer Pointer to character that stops scan. + @param Address Pointer to the converted IPv6 address. + @param PrefixLength Pointer to the converted IPv6 address prefix + length. MAX_UINT8 is returned when /P is + not in the String. + + @retval RETURN_SUCCESS Address is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal + digit characters. + If String contains "::" and number of X + is not less than 8. + If P starts with character that is not a + valid decimal digit character. + If the decimal number converted from P + exceeds 128. + +**/ +RETURN_STATUS +EFIAPI +StrToIpv6Address ( + IN CONST CHAR16 *String, + OUT CHAR16 **EndPointer, OPTIONAL + OUT IPv6_ADDRESS *Address, + OUT UINT8 *PrefixLength OPTIONAL + ); + +/** + Convert a Null-terminated Unicode string to IPv4 address and prefix length. + + This function outputs a value of type IPv4_ADDRESS and may output a value + of type UINT8 by interpreting the contents of the Unicode string specified + by String. The format of the input Unicode string String is as follows: + + D.D.D.D[/P] + + D and P are decimal digit characters in the range [0-9]. The running zero in + the beginning of D and P will be ignored. /P is optional. + + When /P is not in the String, the function stops at the first character that is + not a valid decimal digit character after four D's are converted. + + When /P is in the String, the function stops at the first character that is not + a valid decimal digit character after P is converted. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + If EndPointer is not NULL and Address is translated from String, a pointer + to the character that stopped the scan is stored at the location pointed to + by EndPointer. + + @param String Pointer to a Null-terminated Unicode string. + @param EndPointer Pointer to character that stops scan. + @param Address Pointer to the converted IPv4 address. + @param PrefixLength Pointer to the converted IPv4 address prefix + length. MAX_UINT8 is returned when /P is + not in the String. + + @retval RETURN_SUCCESS Address is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + @retval RETURN_UNSUPPORTED If String is not in the correct format. + If any decimal number converted from D + exceeds 255. + If the decimal number converted from P + exceeds 32. + +**/ +RETURN_STATUS +EFIAPI +StrToIpv4Address ( + IN CONST CHAR16 *String, + OUT CHAR16 **EndPointer, OPTIONAL + OUT IPv4_ADDRESS *Address, + OUT UINT8 *PrefixLength OPTIONAL + ); + +#define GUID_STRING_LENGTH 36 + +/** + Convert a Null-terminated Unicode GUID string to a value of type + EFI_GUID. + + This function outputs a GUID value by interpreting the contents of + the Unicode string specified by String. The format of the input + Unicode string String consists of 36 characters, as follows: + + aabbccdd-eeff-gghh-iijj-kkllmmnnoopp + + The pairs aa - pp are two characters in the range [0-9], [a-f] and + [A-F], with each pair representing a single byte hexadecimal value. + + The mapping between String and the EFI_GUID structure is as follows: + aa Data1[24:31] + bb Data1[16:23] + cc Data1[8:15] + dd Data1[0:7] + ee Data2[8:15] + ff Data2[0:7] + gg Data3[8:15] + hh Data3[0:7] + ii Data4[0:7] + jj Data4[8:15] + kk Data4[16:23] + ll Data4[24:31] + mm Data4[32:39] + nn Data4[40:47] + oo Data4[48:55] + pp Data4[56:63] + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + @param Guid Pointer to the converted GUID. + + @retval RETURN_SUCCESS Guid is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + @retval RETURN_UNSUPPORTED If String is not as the above format. + +**/ +RETURN_STATUS +EFIAPI +StrToGuid ( + IN CONST CHAR16 *String, + OUT GUID *Guid + ); + +/** + Convert a Null-terminated Unicode hexadecimal string to a byte array. + + This function outputs a byte array by interpreting the contents of + the Unicode string specified by String in hexadecimal format. The format of + the input Unicode string String is: + + [XX]* + + X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F]. + The function decodes every two hexadecimal digit characters as one byte. The + decoding stops after Length of characters and outputs Buffer containing + (Length / 2) bytes. + + If String is not aligned in a 16-bit boundary, then ASSERT(). + + @param String Pointer to a Null-terminated Unicode string. + @param Length The number of Unicode characters to decode. + @param Buffer Pointer to the converted bytes array. + @param MaxBufferSize The maximum size of Buffer. + + @retval RETURN_SUCCESS Buffer is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If Length is not multiple of 2. + If PcdMaximumUnicodeStringLength is not zero, + and Length is greater than + PcdMaximumUnicodeStringLength. + @retval RETURN_UNSUPPORTED If Length of characters from String contain + a character that is not valid hexadecimal + digit characters, or a Null-terminator. + @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2). +**/ +RETURN_STATUS +EFIAPI +StrHexToBytes ( + IN CONST CHAR16 *String, + IN UINTN Length, + OUT UINT8 *Buffer, + IN UINTN MaxBufferSize + ); + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Convert a Null-terminated Unicode string to a Null-terminated + ASCII string and returns the ASCII string. + + This function converts the content of the Unicode string Source + to the ASCII string Destination by copying the lower 8 bits of + each Unicode character. It returns Destination. + + The caller is responsible to make sure Destination points to a buffer with size + equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes. + + If any Unicode characters in Source contain non-zero value in + the upper 8 bits, then ASSERT(). + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + + If PcdMaximumUnicodeStringLength is not zero, and Source contains + more than PcdMaximumUnicodeStringLength Unicode characters not including + the Null-terminator, then ASSERT(). + + If PcdMaximumAsciiStringLength is not zero, and Source contains more + than PcdMaximumAsciiStringLength Unicode characters not including the + Null-terminator, then ASSERT(). + + @param Source The pointer to a Null-terminated Unicode string. + @param Destination The pointer to a Null-terminated ASCII string. + + @return Destination. + +**/ +CHAR8 * +EFIAPI +UnicodeStrToAsciiStr ( + IN CONST CHAR16 *Source, + OUT CHAR8 *Destination + ); + +#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES) + +/** + Convert a Null-terminated Unicode string to a Null-terminated + ASCII string. + + This function is similar to AsciiStrCpyS. + + This function converts the content of the Unicode string Source + to the ASCII string Destination by copying the lower 8 bits of + each Unicode character. The function terminates the ASCII string + Destination by appending a Null-terminator character at the end. + + The caller is responsible to make sure Destination points to a buffer with size + equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes. + + If any Unicode characters in Source contain non-zero value in + the upper 8 bits, then ASSERT(). + + If Source is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Source The pointer to a Null-terminated Unicode string. + @param Destination The pointer to a Null-terminated ASCII string. + @param DestMax The maximum number of Destination Ascii + char, including terminating null char. + + @retval RETURN_SUCCESS String is converted. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumAsciiStringLength is not zero, + and DestMax is greater than + PcdMaximumAsciiStringLength. + If PcdMaximumUnicodeStringLength is not zero, + and DestMax is greater than + PcdMaximumUnicodeStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. + +**/ +RETURN_STATUS +EFIAPI +UnicodeStrToAsciiStrS ( + IN CONST CHAR16 *Source, + OUT CHAR8 *Destination, + IN UINTN DestMax + ); + +/** + Convert not more than Length successive characters from a Null-terminated + Unicode string to a Null-terminated Ascii string. If no null char is copied + from Source, then Destination[Length] is always set to null. + + This function converts not more than Length successive characters from the + Unicode string Source to the Ascii string Destination by copying the lower 8 + bits of each Unicode character. The function terminates the Ascii string + Destination by appending a Null-terminator character at the end. + + The caller is responsible to make sure Destination points to a buffer with size + equal or greater than ((StrLen (Source) + 1) * sizeof (CHAR8)) in bytes. + + If any Unicode characters in Source contain non-zero value in the upper 8 + bits, then ASSERT(). + If Source is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Source The pointer to a Null-terminated Unicode string. + @param Length The maximum number of Unicode characters to + convert. + @param Destination The pointer to a Null-terminated Ascii string. + @param DestMax The maximum number of Destination Ascii + char, including terminating null char. + @param DestinationLength The number of Unicode characters converted. + + @retval RETURN_SUCCESS String is converted. + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If DestinationLength is NULL. + If PcdMaximumAsciiStringLength is not zero, + and Length or DestMax is greater than + PcdMaximumAsciiStringLength. + If PcdMaximumUnicodeStringLength is not + zero, and Length or DestMax is greater than + PcdMaximumUnicodeStringLength. + If DestMax is 0. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than + MIN(StrLen(Source), Length). + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. + +**/ +RETURN_STATUS +EFIAPI +UnicodeStrnToAsciiStrS ( + IN CONST CHAR16 *Source, + IN UINTN Length, + OUT CHAR8 *Destination, + IN UINTN DestMax, + OUT UINTN *DestinationLength + ); + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Copies one Null-terminated ASCII string to another Null-terminated ASCII + string and returns the new ASCII string. + + This function copies the contents of the ASCII string Source to the ASCII + string Destination, and returns Destination. If Source and Destination + overlap, then the results are undefined. + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param Destination The pointer to a Null-terminated ASCII string. + @param Source The pointer to a Null-terminated ASCII string. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrCpy ( + OUT CHAR8 *Destination, + IN CONST CHAR8 *Source + ); + + +/** + [ATTENTION] This function is deprecated for security reason. + + Copies up to a specified length one Null-terminated ASCII string to another + Null-terminated ASCII string and returns the new ASCII string. + + This function copies the contents of the ASCII string Source to the ASCII + string Destination, and returns Destination. At most, Length ASCII characters + are copied from Source to Destination. If Length is 0, then Destination is + returned unmodified. If Length is greater that the number of ASCII characters + in Source, then Destination is padded with Null ASCII characters. If Source + and Destination overlap, then the results are undefined. + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Length is greater than + PcdMaximumAsciiStringLength, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Source contains more than + PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator, + then ASSERT(). + + @param Destination The pointer to a Null-terminated ASCII string. + @param Source The pointer to a Null-terminated ASCII string. + @param Length The maximum number of ASCII characters to copy. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrnCpy ( + OUT CHAR8 *Destination, + IN CONST CHAR8 *Source, + IN UINTN Length + ); +#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES) + +/** + Returns the length of a Null-terminated ASCII string. + + This function returns the number of ASCII characters in the Null-terminated + ASCII string specified by String. + + If Length > 0 and Destination is NULL, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + + @return The length of String. + +**/ +UINTN +EFIAPI +AsciiStrLen ( + IN CONST CHAR8 *String + ); + + +/** + Returns the size of a Null-terminated ASCII string in bytes, including the + Null terminator. + + This function returns the size, in bytes, of the Null-terminated ASCII string + specified by String. + + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + + @return The size of String. + +**/ +UINTN +EFIAPI +AsciiStrSize ( + IN CONST CHAR8 *String + ); + + +/** + Compares two Null-terminated ASCII strings, and returns the difference + between the first mismatched ASCII characters. + + This function compares the Null-terminated ASCII string FirstString to the + Null-terminated ASCII string SecondString. If FirstString is identical to + SecondString, then 0 is returned. Otherwise, the value returned is the first + mismatched ASCII character in SecondString subtracted from the first + mismatched ASCII character in FirstString. + + If FirstString is NULL, then ASSERT(). + If SecondString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and FirstString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and SecondString contains more + than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param FirstString The pointer to a Null-terminated ASCII string. + @param SecondString The pointer to a Null-terminated ASCII string. + + @retval ==0 FirstString is identical to SecondString. + @retval !=0 FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +AsciiStrCmp ( + IN CONST CHAR8 *FirstString, + IN CONST CHAR8 *SecondString + ); + + +/** + Performs a case insensitive comparison of two Null-terminated ASCII strings, + and returns the difference between the first mismatched ASCII characters. + + This function performs a case insensitive comparison of the Null-terminated + ASCII string FirstString to the Null-terminated ASCII string SecondString. If + FirstString is identical to SecondString, then 0 is returned. Otherwise, the + value returned is the first mismatched lower case ASCII character in + SecondString subtracted from the first mismatched lower case ASCII character + in FirstString. + + If FirstString is NULL, then ASSERT(). + If SecondString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and FirstString contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and SecondString contains more + than PcdMaximumAsciiStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param FirstString The pointer to a Null-terminated ASCII string. + @param SecondString The pointer to a Null-terminated ASCII string. + + @retval ==0 FirstString is identical to SecondString using case insensitive + comparisons. + @retval !=0 FirstString is not identical to SecondString using case + insensitive comparisons. + +**/ +INTN +EFIAPI +AsciiStriCmp ( + IN CONST CHAR8 *FirstString, + IN CONST CHAR8 *SecondString + ); + + +/** + Compares two Null-terminated ASCII strings with maximum lengths, and returns + the difference between the first mismatched ASCII characters. + + This function compares the Null-terminated ASCII string FirstString to the + Null-terminated ASCII string SecondString. At most, Length ASCII characters + will be compared. If Length is 0, then 0 is returned. If FirstString is + identical to SecondString, then 0 is returned. Otherwise, the value returned + is the first mismatched ASCII character in SecondString subtracted from the + first mismatched ASCII character in FirstString. + + If Length > 0 and FirstString is NULL, then ASSERT(). + If Length > 0 and SecondString is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Length is greater than + PcdMaximumAsciiStringLength, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and FirstString contains more than + PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and SecondString contains more than + PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator, + then ASSERT(). + + @param FirstString The pointer to a Null-terminated ASCII string. + @param SecondString The pointer to a Null-terminated ASCII string. + @param Length The maximum number of ASCII characters for compare. + + @retval ==0 FirstString is identical to SecondString. + @retval !=0 FirstString is not identical to SecondString. + +**/ +INTN +EFIAPI +AsciiStrnCmp ( + IN CONST CHAR8 *FirstString, + IN CONST CHAR8 *SecondString, + IN UINTN Length + ); + + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Concatenates one Null-terminated ASCII string to another Null-terminated + ASCII string, and returns the concatenated ASCII string. + + This function concatenates two Null-terminated ASCII strings. The contents of + Null-terminated ASCII string Source are concatenated to the end of Null- + terminated ASCII string Destination. The Null-terminated concatenated ASCII + String is returned. + + If Destination is NULL, then ASSERT(). + If Source is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and Destination contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero and concatenating Destination and + Source results in a ASCII string with more than PcdMaximumAsciiStringLength + ASCII characters, then ASSERT(). + + @param Destination The pointer to a Null-terminated ASCII string. + @param Source The pointer to a Null-terminated ASCII string. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrCat ( + IN OUT CHAR8 *Destination, + IN CONST CHAR8 *Source + ); + + +/** + [ATTENTION] This function is deprecated for security reason. + + Concatenates up to a specified length one Null-terminated ASCII string to + the end of another Null-terminated ASCII string, and returns the + concatenated ASCII string. + + This function concatenates two Null-terminated ASCII strings. The contents + of Null-terminated ASCII string Source are concatenated to the end of Null- + terminated ASCII string Destination, and Destination is returned. At most, + Length ASCII characters are concatenated from Source to the end of + Destination, and Destination is always Null-terminated. If Length is 0, then + Destination is returned unmodified. If Source and Destination overlap, then + the results are undefined. + + If Length > 0 and Destination is NULL, then ASSERT(). + If Length > 0 and Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Length is greater than + PcdMaximumAsciiStringLength, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Destination contains more than + PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Source contains more than + PcdMaximumAsciiStringLength ASCII characters, not including the Null-terminator, + then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and concatenating Destination and + Source results in a ASCII string with more than PcdMaximumAsciiStringLength + ASCII characters, not including the Null-terminator, then ASSERT(). + + @param Destination The pointer to a Null-terminated ASCII string. + @param Source The pointer to a Null-terminated ASCII string. + @param Length The maximum number of ASCII characters to concatenate from + Source. + + @return Destination + +**/ +CHAR8 * +EFIAPI +AsciiStrnCat ( + IN OUT CHAR8 *Destination, + IN CONST CHAR8 *Source, + IN UINTN Length + ); +#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES) + +/** + Returns the first occurrence of a Null-terminated ASCII sub-string + in a Null-terminated ASCII string. + + This function scans the contents of the ASCII string specified by String + and returns the first occurrence of SearchString. If SearchString is not + found in String, then NULL is returned. If the length of SearchString is zero, + then String is returned. + + If String is NULL, then ASSERT(). + If SearchString is NULL, then ASSERT(). + + If PcdMaximumAsciiStringLength is not zero, and SearchString or + String contains more than PcdMaximumAsciiStringLength Unicode characters + not including the Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + @param SearchString The pointer to a Null-terminated ASCII string to search for. + + @retval NULL If the SearchString does not appear in String. + @retval others If there is a match return the first occurrence of SearchingString. + If the length of SearchString is zero,return String. + +**/ +CHAR8 * +EFIAPI +AsciiStrStr ( + IN CONST CHAR8 *String, + IN CONST CHAR8 *SearchString + ); + + +/** + Convert a Null-terminated ASCII decimal string to a value of type + UINTN. + + This function returns a value of type UINTN by interpreting the contents + of the ASCII string String as a decimal number. The format of the input + ASCII string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before the digits. + The running zero in the beginning of [decimal digits] will be ignored. Then, the + function stops at the first character that is a not a valid decimal character or + Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, then 0 is returned. + If the number represented by String overflows according to the range defined by + UINTN, then MAX_UINTN is returned. + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + + @retval The value translated from String. + +**/ +UINTN +EFIAPI +AsciiStrDecimalToUintn ( + IN CONST CHAR8 *String + ); + + +/** + Convert a Null-terminated ASCII decimal string to a value of type + UINT64. + + This function returns a value of type UINT64 by interpreting the contents + of the ASCII string String as a decimal number. The format of the input + ASCII string String is: + + [spaces] [decimal digits]. + + The valid decimal digit character is in the range [0-9]. The function will + ignore the pad space, which includes spaces or tab characters, before the digits. + The running zero in the beginning of [decimal digits] will be ignored. Then, the + function stops at the first character that is a not a valid decimal character or + Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no pad spaces or valid decimal digits, then 0 is returned. + If the number represented by String overflows according to the range defined by + UINT64, then MAX_UINT64 is returned. + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and String contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + + @retval Value translated from String. + +**/ +UINT64 +EFIAPI +AsciiStrDecimalToUint64 ( + IN CONST CHAR8 *String + ); + + +/** + Convert a Null-terminated ASCII hexadecimal string to a value of type UINTN. + + This function returns a value of type UINTN by interpreting the contents of + the ASCII string String as a hexadecimal number. The format of the input ASCII + string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x" + appears in the input string, it must be prefixed with at least one 0. The function + will ignore the pad space, which includes spaces or tab characters, before [zeros], + [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits] + will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal + digit. Then, the function stops at the first character that is a not a valid + hexadecimal character or Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then + 0 is returned. + + If the number represented by String overflows according to the range defined by UINTN, + then MAX_UINTN is returned. + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, + and String contains more than PcdMaximumAsciiStringLength ASCII characters not including + the Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + + @retval Value translated from String. + +**/ +UINTN +EFIAPI +AsciiStrHexToUintn ( + IN CONST CHAR8 *String + ); + + +/** + Convert a Null-terminated ASCII hexadecimal string to a value of type UINT64. + + This function returns a value of type UINT64 by interpreting the contents of + the ASCII string String as a hexadecimal number. The format of the input ASCII + string String is: + + [spaces][zeros][x][hexadecimal digits]. + + The valid hexadecimal digit character is in the range [0-9], [a-f] and [A-F]. + The prefix "0x" is optional. Both "x" and "X" is allowed in "0x" prefix. If "x" + appears in the input string, it must be prefixed with at least one 0. The function + will ignore the pad space, which includes spaces or tab characters, before [zeros], + [x] or [hexadecimal digits]. The running zero before [x] or [hexadecimal digits] + will be ignored. Then, the decoding starts after [x] or the first valid hexadecimal + digit. Then, the function stops at the first character that is a not a valid + hexadecimal character or Null-terminator, whichever on comes first. + + If String has only pad spaces, then 0 is returned. + If String has no leading pad spaces, leading zeros or valid hexadecimal digits, then + 0 is returned. + + If the number represented by String overflows according to the range defined by UINT64, + then MAX_UINT64 is returned. + If String is NULL, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, + and String contains more than PcdMaximumAsciiStringLength ASCII characters not including + the Null-terminator, then ASSERT(). + + @param String The pointer to a Null-terminated ASCII string. + + @retval Value translated from String. + +**/ +UINT64 +EFIAPI +AsciiStrHexToUint64 ( + IN CONST CHAR8 *String + ); + +/** + Convert a Null-terminated ASCII string to IPv6 address and prefix length. + + This function outputs a value of type IPv6_ADDRESS and may output a value + of type UINT8 by interpreting the contents of the ASCII string specified + by String. The format of the input ASCII string String is as follows: + + X:X:X:X:X:X:X:X[/P] + + X contains one to four hexadecimal digit characters in the range [0-9], [a-f] and + [A-F]. X is converted to a value of type UINT16, whose low byte is stored in low + memory address and high byte is stored in high memory address. P contains decimal + digit characters in the range [0-9]. The running zero in the beginning of P will + be ignored. /P is optional. + + When /P is not in the String, the function stops at the first character that is + not a valid hexadecimal digit character after eight X's are converted. + + When /P is in the String, the function stops at the first character that is not + a valid decimal digit character after P is converted. + + "::" can be used to compress one or more groups of X when X contains only 0. + The "::" can only appear once in the String. + + If EndPointer is not NULL and Address is translated from String, a pointer + to the character that stopped the scan is stored at the location pointed to + by EndPointer. + + @param String Pointer to a Null-terminated ASCII string. + @param EndPointer Pointer to character that stops scan. + @param Address Pointer to the converted IPv6 address. + @param PrefixLength Pointer to the converted IPv6 address prefix + length. MAX_UINT8 is returned when /P is + not in the String. + + @retval RETURN_SUCCESS Address is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + @retval RETURN_UNSUPPORTED If X contains more than four hexadecimal + digit characters. + If String contains "::" and number of X + is not less than 8. + If P starts with character that is not a + valid decimal digit character. + If the decimal number converted from P + exceeds 128. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrToIpv6Address ( + IN CONST CHAR8 *String, + OUT CHAR8 **EndPointer, OPTIONAL + OUT IPv6_ADDRESS *Address, + OUT UINT8 *PrefixLength OPTIONAL + ); + +/** + Convert a Null-terminated ASCII string to IPv4 address and prefix length. + + This function outputs a value of type IPv4_ADDRESS and may output a value + of type UINT8 by interpreting the contents of the ASCII string specified + by String. The format of the input ASCII string String is as follows: + + D.D.D.D[/P] + + D and P are decimal digit characters in the range [0-9]. The running zero in + the beginning of D and P will be ignored. /P is optional. + + When /P is not in the String, the function stops at the first character that is + not a valid decimal digit character after four D's are converted. + + When /P is in the String, the function stops at the first character that is not + a valid decimal digit character after P is converted. + + If EndPointer is not NULL and Address is translated from String, a pointer + to the character that stopped the scan is stored at the location pointed to + by EndPointer. + + @param String Pointer to a Null-terminated ASCII string. + @param EndPointer Pointer to character that stops scan. + @param Address Pointer to the converted IPv4 address. + @param PrefixLength Pointer to the converted IPv4 address prefix + length. MAX_UINT8 is returned when /P is + not in the String. + + @retval RETURN_SUCCESS Address is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + @retval RETURN_UNSUPPORTED If String is not in the correct format. + If any decimal number converted from D + exceeds 255. + If the decimal number converted from P + exceeds 32. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrToIpv4Address ( + IN CONST CHAR8 *String, + OUT CHAR8 **EndPointer, OPTIONAL + OUT IPv4_ADDRESS *Address, + OUT UINT8 *PrefixLength OPTIONAL + ); + +/** + Convert a Null-terminated ASCII GUID string to a value of type + EFI_GUID. + + This function outputs a GUID value by interpreting the contents of + the ASCII string specified by String. The format of the input + ASCII string String consists of 36 characters, as follows: + + aabbccdd-eeff-gghh-iijj-kkllmmnnoopp + + The pairs aa - pp are two characters in the range [0-9], [a-f] and + [A-F], with each pair representing a single byte hexadecimal value. + + The mapping between String and the EFI_GUID structure is as follows: + aa Data1[24:31] + bb Data1[16:23] + cc Data1[8:15] + dd Data1[0:7] + ee Data2[8:15] + ff Data2[0:7] + gg Data3[8:15] + hh Data3[0:7] + ii Data4[0:7] + jj Data4[8:15] + kk Data4[16:23] + ll Data4[24:31] + mm Data4[32:39] + nn Data4[40:47] + oo Data4[48:55] + pp Data4[56:63] + + @param String Pointer to a Null-terminated ASCII string. + @param Guid Pointer to the converted GUID. + + @retval RETURN_SUCCESS Guid is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + @retval RETURN_UNSUPPORTED If String is not as the above format. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrToGuid ( + IN CONST CHAR8 *String, + OUT GUID *Guid + ); + +/** + Convert a Null-terminated ASCII hexadecimal string to a byte array. + + This function outputs a byte array by interpreting the contents of + the ASCII string specified by String in hexadecimal format. The format of + the input ASCII string String is: + + [XX]* + + X is a hexadecimal digit character in the range [0-9], [a-f] and [A-F]. + The function decodes every two hexadecimal digit characters as one byte. The + decoding stops after Length of characters and outputs Buffer containing + (Length / 2) bytes. + + @param String Pointer to a Null-terminated ASCII string. + @param Length The number of ASCII characters to decode. + @param Buffer Pointer to the converted bytes array. + @param MaxBufferSize The maximum size of Buffer. + + @retval RETURN_SUCCESS Buffer is translated from String. + @retval RETURN_INVALID_PARAMETER If String is NULL. + If Data is NULL. + If Length is not multiple of 2. + If PcdMaximumAsciiStringLength is not zero, + and Length is greater than + PcdMaximumAsciiStringLength. + @retval RETURN_UNSUPPORTED If Length of characters from String contain + a character that is not valid hexadecimal + digit characters, or a Null-terminator. + @retval RETURN_BUFFER_TOO_SMALL If MaxBufferSize is less than (Length / 2). +**/ +RETURN_STATUS +EFIAPI +AsciiStrHexToBytes ( + IN CONST CHAR8 *String, + IN UINTN Length, + OUT UINT8 *Buffer, + IN UINTN MaxBufferSize + ); + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Convert one Null-terminated ASCII string to a Null-terminated + Unicode string and returns the Unicode string. + + This function converts the contents of the ASCII string Source to the Unicode + string Destination, and returns Destination. The function terminates the + Unicode string Destination by appending a Null-terminator character at the end. + The caller is responsible to make sure Destination points to a buffer with size + equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes. + + If Destination is NULL, then ASSERT(). + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + If Source is NULL, then ASSERT(). + If Source and Destination overlap, then ASSERT(). + If PcdMaximumAsciiStringLength is not zero, and Source contains more than + PcdMaximumAsciiStringLength ASCII characters not including the Null-terminator, + then ASSERT(). + If PcdMaximumUnicodeStringLength is not zero, and Source contains more than + PcdMaximumUnicodeStringLength ASCII characters not including the + Null-terminator, then ASSERT(). + + @param Source The pointer to a Null-terminated ASCII string. + @param Destination The pointer to a Null-terminated Unicode string. + + @return Destination. + +**/ +CHAR16 * +EFIAPI +AsciiStrToUnicodeStr ( + IN CONST CHAR8 *Source, + OUT CHAR16 *Destination + ); + +#endif // !defined (DISABLE_NEW_DEPRECATED_INTERFACES) + +/** + Convert one Null-terminated ASCII string to a Null-terminated + Unicode string. + + This function is similar to StrCpyS. + + This function converts the contents of the ASCII string Source to the Unicode + string Destination. The function terminates the Unicode string Destination by + appending a Null-terminator character at the end. + + The caller is responsible to make sure Destination points to a buffer with size + equal or greater than ((AsciiStrLen (Source) + 1) * sizeof (CHAR16)) in bytes. + + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then the Destination is unmodified. + + @param Source The pointer to a Null-terminated ASCII string. + @param Destination The pointer to a Null-terminated Unicode string. + @param DestMax The maximum number of Destination Unicode + char, including terminating null char. + + @retval RETURN_SUCCESS String is converted. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than StrLen(Source). + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If PcdMaximumUnicodeStringLength is not zero, + and DestMax is greater than + PcdMaximumUnicodeStringLength. + If PcdMaximumAsciiStringLength is not zero, + and DestMax is greater than + PcdMaximumAsciiStringLength. + If DestMax is 0. + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrToUnicodeStrS ( + IN CONST CHAR8 *Source, + OUT CHAR16 *Destination, + IN UINTN DestMax + ); + +/** + Convert not more than Length successive characters from a Null-terminated + Ascii string to a Null-terminated Unicode string. If no null char is copied + from Source, then Destination[Length] is always set to null. + + This function converts not more than Length successive characters from the + Ascii string Source to the Unicode string Destination. The function + terminates the Unicode string Destination by appending a Null-terminator + character at the end. + + The caller is responsible to make sure Destination points to a buffer with + size not smaller than + ((MIN(AsciiStrLen(Source), Length) + 1) * sizeof (CHAR8)) in bytes. + + If Destination is not aligned on a 16-bit boundary, then ASSERT(). + + If an error is returned, then Destination and DestinationLength are + unmodified. + + @param Source The pointer to a Null-terminated Ascii string. + @param Length The maximum number of Ascii characters to convert. + @param Destination The pointer to a Null-terminated Unicode string. + @param DestMax The maximum number of Destination Unicode char, + including terminating null char. + @param DestinationLength The number of Ascii characters converted. + + @retval RETURN_SUCCESS String is converted. + @retval RETURN_INVALID_PARAMETER If Destination is NULL. + If Source is NULL. + If DestinationLength is NULL. + If PcdMaximumUnicodeStringLength is not + zero, and Length or DestMax is greater than + PcdMaximumUnicodeStringLength. + If PcdMaximumAsciiStringLength is not zero, + and Length or DestMax is greater than + PcdMaximumAsciiStringLength. + If DestMax is 0. + @retval RETURN_BUFFER_TOO_SMALL If DestMax is NOT greater than + MIN(AsciiStrLen(Source), Length). + @retval RETURN_ACCESS_DENIED If Source and Destination overlap. + +**/ +RETURN_STATUS +EFIAPI +AsciiStrnToUnicodeStrS ( + IN CONST CHAR8 *Source, + IN UINTN Length, + OUT CHAR16 *Destination, + IN UINTN DestMax, + OUT UINTN *DestinationLength + ); + +/** + Convert a Unicode character to upper case only if + it maps to a valid small-case ASCII character. + + This internal function only deal with Unicode character + which maps to a valid small-case ASCII character, i.e. + L'a' to L'z'. For other Unicode character, the input character + is returned directly. + + @param Char The character to convert. + + @retval LowerCharacter If the Char is with range L'a' to L'z'. + @retval Unchanged Otherwise. + +**/ +CHAR16 +EFIAPI +CharToUpper ( + IN CHAR16 Char + ); + +/** + Converts a lowercase Ascii character to upper one. + + If Chr is lowercase Ascii character, then converts it to upper one. + + If Value >= 0xA0, then ASSERT(). + If (Value & 0x0F) >= 0x0A, then ASSERT(). + + @param Chr one Ascii character + + @return The uppercase value of Ascii character + +**/ +CHAR8 +EFIAPI +AsciiCharToUpper ( + IN CHAR8 Chr + ); + +/** + Convert binary data to a Base64 encoded ascii string based on RFC4648. + + Produce a Null-terminated Ascii string in the output buffer specified by Destination and DestinationSize. + The Ascii string is produced by converting the data string specified by Source and SourceLength. + + @param Source Input UINT8 data + @param SourceLength Number of UINT8 bytes of data + @param Destination Pointer to output string buffer + @param DestinationSize Size of ascii buffer. Set to 0 to get the size needed. + Caller is responsible for passing in buffer of DestinationSize + + @retval RETURN_SUCCESS When ascii buffer is filled in. + @retval RETURN_INVALID_PARAMETER If Source is NULL or DestinationSize is NULL. + @retval RETURN_INVALID_PARAMETER If SourceLength or DestinationSize is bigger than (MAX_ADDRESS - (UINTN)Destination). + @retval RETURN_BUFFER_TOO_SMALL If SourceLength is 0 and DestinationSize is <1. + @retval RETURN_BUFFER_TOO_SMALL If Destination is NULL or DestinationSize is smaller than required buffersize. + +**/ +RETURN_STATUS +EFIAPI +Base64Encode ( + IN CONST UINT8 *Source, + IN UINTN SourceLength, + OUT CHAR8 *Destination OPTIONAL, + IN OUT UINTN *DestinationSize + ); + +/** + Decode Base64 ASCII encoded data to 8-bit binary representation, based on + RFC4648. + + Decoding occurs according to "Table 1: The Base 64 Alphabet" in RFC4648. + + Whitespace is ignored at all positions: + - 0x09 ('\t') horizontal tab + - 0x0A ('\n') new line + - 0x0B ('\v') vertical tab + - 0x0C ('\f') form feed + - 0x0D ('\r') carriage return + - 0x20 (' ') space + + The minimum amount of required padding (with ASCII 0x3D, '=') is tolerated + and enforced at the end of the Base64 ASCII encoded data, and only there. + + Other characters outside of the encoding alphabet cause the function to + reject the Base64 ASCII encoded data. + + @param[in] Source Array of CHAR8 elements containing the Base64 + ASCII encoding. May be NULL if SourceSize is + zero. + + @param[in] SourceSize Number of CHAR8 elements in Source. + + @param[out] Destination Array of UINT8 elements receiving the decoded + 8-bit binary representation. Allocated by the + caller. May be NULL if DestinationSize is + zero on input. If NULL, decoding is + performed, but the 8-bit binary + representation is not stored. If non-NULL and + the function returns an error, the contents + of Destination are indeterminate. + + @param[in,out] DestinationSize On input, the number of UINT8 elements that + the caller allocated for Destination. On + output, if the function returns + RETURN_SUCCESS or RETURN_BUFFER_TOO_SMALL, + the number of UINT8 elements that are + required for decoding the Base64 ASCII + representation. If the function returns a + value different from both RETURN_SUCCESS and + RETURN_BUFFER_TOO_SMALL, then DestinationSize + is indeterminate on output. + + @retval RETURN_SUCCESS SourceSize CHAR8 elements at Source have + been decoded to on-output DestinationSize + UINT8 elements at Destination. Note that + RETURN_SUCCESS covers the case when + DestinationSize is zero on input, and + Source decodes to zero bytes (due to + containing at most ignored whitespace). + + @retval RETURN_BUFFER_TOO_SMALL The input value of DestinationSize is not + large enough for decoding SourceSize CHAR8 + elements at Source. The required number of + UINT8 elements has been stored to + DestinationSize. + + @retval RETURN_INVALID_PARAMETER DestinationSize is NULL. + + @retval RETURN_INVALID_PARAMETER Source is NULL, but SourceSize is not zero. + + @retval RETURN_INVALID_PARAMETER Destination is NULL, but DestinationSize is + not zero on input. + + @retval RETURN_INVALID_PARAMETER Source is non-NULL, and (Source + + SourceSize) would wrap around MAX_ADDRESS. + + @retval RETURN_INVALID_PARAMETER Destination is non-NULL, and (Destination + + DestinationSize) would wrap around + MAX_ADDRESS, as specified on input. + + @retval RETURN_INVALID_PARAMETER None of Source and Destination are NULL, + and CHAR8[SourceSize] at Source overlaps + UINT8[DestinationSize] at Destination, as + specified on input. + + @retval RETURN_INVALID_PARAMETER Invalid CHAR8 element encountered in + Source. +**/ +RETURN_STATUS +EFIAPI +Base64Decode ( + IN CONST CHAR8 *Source OPTIONAL, + IN UINTN SourceSize, + OUT UINT8 *Destination OPTIONAL, + IN OUT UINTN *DestinationSize + ); + +/** + Converts an 8-bit value to an 8-bit BCD value. + + Converts the 8-bit value specified by Value to BCD. The BCD value is + returned. + + If Value >= 100, then ASSERT(). + + @param Value The 8-bit value to convert to BCD. Range 0..99. + + @return The BCD value. + +**/ +UINT8 +EFIAPI +DecimalToBcd8 ( + IN UINT8 Value + ); + + +/** + Converts an 8-bit BCD value to an 8-bit value. + + Converts the 8-bit BCD value specified by Value to an 8-bit value. The 8-bit + value is returned. + + If Value >= 0xA0, then ASSERT(). + If (Value & 0x0F) >= 0x0A, then ASSERT(). + + @param Value The 8-bit BCD value to convert to an 8-bit value. + + @return The 8-bit value is returned. + +**/ +UINT8 +EFIAPI +BcdToDecimal8 ( + IN UINT8 Value + ); + +// +// File Path Manipulation Functions +// + +/** + Removes the last directory or file entry in a path. + + @param[in, out] Path The pointer to the path to modify. + + @retval FALSE Nothing was found to remove. + @retval TRUE A directory or file was removed. +**/ +BOOLEAN +EFIAPI +PathRemoveLastItem( + IN OUT CHAR16 *Path + ); + +/** + Function to clean up paths. + - Single periods in the path are removed. + - Double periods in the path are removed along with a single parent directory. + - Forward slashes L'/' are converted to backward slashes L'\'. + + This will be done inline and the existing buffer may be larger than required + upon completion. + + @param[in] Path The pointer to the string containing the path. + + @return Returns Path, otherwise returns NULL to indicate that an error has occurred. +**/ +CHAR16* +EFIAPI +PathCleanUpDirectories( + IN CHAR16 *Path + ); + +// +// Linked List Functions and Macros +// + +/** + Initializes the head node of a doubly linked list that is declared as a + global variable in a module. + + Initializes the forward and backward links of a new linked list. After + initializing a linked list with this macro, the other linked list functions + may be used to add and remove nodes from the linked list. This macro results + in smaller executables by initializing the linked list in the data section, + instead if calling the InitializeListHead() function to perform the + equivalent operation. + + @param ListHead The head note of a list to initialize. + +**/ +#define INITIALIZE_LIST_HEAD_VARIABLE(ListHead) {&(ListHead), &(ListHead)} + +/** + Iterates over each node in a doubly linked list using each node's forward link. + + @param Entry A pointer to a list node used as a loop cursor during iteration + @param ListHead The head node of the doubly linked list + +**/ +#define BASE_LIST_FOR_EACH(Entry, ListHead) \ + for(Entry = (ListHead)->ForwardLink; Entry != (ListHead); Entry = Entry->ForwardLink) + +/** + Iterates over each node in a doubly linked list using each node's forward link + with safety against node removal. + + This macro uses NextEntry to temporarily store the next list node so the node + pointed to by Entry may be deleted in the current loop iteration step and + iteration can continue from the node pointed to by NextEntry. + + @param Entry A pointer to a list node used as a loop cursor during iteration + @param NextEntry A pointer to a list node used to temporarily store the next node + @param ListHead The head node of the doubly linked list + +**/ +#define BASE_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \ + for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\ + Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink) + +/** + Checks whether FirstEntry and SecondEntry are part of the same doubly-linked + list. + + If FirstEntry is NULL, then ASSERT(). + If FirstEntry->ForwardLink is NULL, then ASSERT(). + If FirstEntry->BackLink is NULL, then ASSERT(). + If SecondEntry is NULL, then ASSERT(); + If PcdMaximumLinkedListLength is not zero, and List contains more than + PcdMaximumLinkedListLength nodes, then ASSERT(). + + @param FirstEntry A pointer to a node in a linked list. + @param SecondEntry A pointer to the node to locate. + + @retval TRUE SecondEntry is in the same doubly-linked list as FirstEntry. + @retval FALSE SecondEntry isn't in the same doubly-linked list as FirstEntry, + or FirstEntry is invalid. + +**/ +BOOLEAN +EFIAPI +IsNodeInList ( + IN CONST LIST_ENTRY *FirstEntry, + IN CONST LIST_ENTRY *SecondEntry + ); + + +/** + Initializes the head node of a doubly linked list, and returns the pointer to + the head node of the doubly linked list. + + Initializes the forward and backward links of a new linked list. After + initializing a linked list with this function, the other linked list + functions may be used to add and remove nodes from the linked list. It is up + to the caller of this function to allocate the memory for ListHead. + + If ListHead is NULL, then ASSERT(). + + @param ListHead A pointer to the head node of a new doubly linked list. + + @return ListHead + +**/ +LIST_ENTRY * +EFIAPI +InitializeListHead ( + IN OUT LIST_ENTRY *ListHead + ); + + +/** + Adds a node to the beginning of a doubly linked list, and returns the pointer + to the head node of the doubly linked list. + + Adds the node Entry at the beginning of the doubly linked list denoted by + ListHead, and returns ListHead. + + If ListHead is NULL, then ASSERT(). + If Entry is NULL, then ASSERT(). + If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and prior to insertion the number + of nodes in ListHead, including the ListHead node, is greater than or + equal to PcdMaximumLinkedListLength, then ASSERT(). + + @param ListHead A pointer to the head node of a doubly linked list. + @param Entry A pointer to a node that is to be inserted at the beginning + of a doubly linked list. + + @return ListHead + +**/ +LIST_ENTRY * +EFIAPI +InsertHeadList ( + IN OUT LIST_ENTRY *ListHead, + IN OUT LIST_ENTRY *Entry + ); + + +/** + Adds a node to the end of a doubly linked list, and returns the pointer to + the head node of the doubly linked list. + + Adds the node Entry to the end of the doubly linked list denoted by ListHead, + and returns ListHead. + + If ListHead is NULL, then ASSERT(). + If Entry is NULL, then ASSERT(). + If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and prior to insertion the number + of nodes in ListHead, including the ListHead node, is greater than or + equal to PcdMaximumLinkedListLength, then ASSERT(). + + @param ListHead A pointer to the head node of a doubly linked list. + @param Entry A pointer to a node that is to be added at the end of the + doubly linked list. + + @return ListHead + +**/ +LIST_ENTRY * +EFIAPI +InsertTailList ( + IN OUT LIST_ENTRY *ListHead, + IN OUT LIST_ENTRY *Entry + ); + + +/** + Retrieves the first node of a doubly linked list. + + Returns the first node of a doubly linked list. List must have been + initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(). + If List is empty, then List is returned. + + If List is NULL, then ASSERT(). + If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + + @return The first node of a doubly linked list. + @retval List The list is empty. + +**/ +LIST_ENTRY * +EFIAPI +GetFirstNode ( + IN CONST LIST_ENTRY *List + ); + + +/** + Retrieves the next node of a doubly linked list. + + Returns the node of a doubly linked list that follows Node. + List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE() + or InitializeListHead(). If List is empty, then List is returned. + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and List contains more than + PcdMaximumLinkedListLength nodes, then ASSERT(). + If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @return The pointer to the next node if one exists. Otherwise List is returned. + +**/ +LIST_ENTRY * +EFIAPI +GetNextNode ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Retrieves the previous node of a doubly linked list. + + Returns the node of a doubly linked list that precedes Node. + List must have been initialized with INTIALIZE_LIST_HEAD_VARIABLE() + or InitializeListHead(). If List is empty, then List is returned. + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and List contains more than + PcdMaximumLinkedListLength nodes, then ASSERT(). + If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @return The pointer to the previous node if one exists. Otherwise List is returned. + +**/ +LIST_ENTRY * +EFIAPI +GetPreviousNode ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Checks to see if a doubly linked list is empty or not. + + Checks to see if the doubly linked list is empty. If the linked list contains + zero nodes, this function returns TRUE. Otherwise, it returns FALSE. + + If ListHead is NULL, then ASSERT(). + If ListHead was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + + @param ListHead A pointer to the head node of a doubly linked list. + + @retval TRUE The linked list is empty. + @retval FALSE The linked list is not empty. + +**/ +BOOLEAN +EFIAPI +IsListEmpty ( + IN CONST LIST_ENTRY *ListHead + ); + + +/** + Determines if a node in a doubly linked list is the head node of a the same + doubly linked list. This function is typically used to terminate a loop that + traverses all the nodes in a doubly linked list starting with the head node. + + Returns TRUE if Node is equal to List. Returns FALSE if Node is one of the + nodes in the doubly linked list specified by List. List must have been + initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(). + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(), + then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + If PcdVerifyNodeInList is TRUE and Node is not a node in List the and Node is not equal + to List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @retval TRUE Node is the head of the doubly-linked list pointed by List. + @retval FALSE Node is not the head of the doubly-linked list pointed by List. + +**/ +BOOLEAN +EFIAPI +IsNull ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Determines if a node the last node in a doubly linked list. + + Returns TRUE if Node is the last node in the doubly linked list specified by + List. Otherwise, FALSE is returned. List must have been initialized with + INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(). + + If List is NULL, then ASSERT(). + If Node is NULL, then ASSERT(). + If List was not initialized with INTIALIZE_LIST_HEAD_VARIABLE() or + InitializeListHead(), then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes + in List, including the List node, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + If PcdVerifyNodeInList is TRUE and Node is not a node in List, then ASSERT(). + + @param List A pointer to the head node of a doubly linked list. + @param Node A pointer to a node in the doubly linked list. + + @retval TRUE Node is the last node in the linked list. + @retval FALSE Node is not the last node in the linked list. + +**/ +BOOLEAN +EFIAPI +IsNodeAtEnd ( + IN CONST LIST_ENTRY *List, + IN CONST LIST_ENTRY *Node + ); + + +/** + Swaps the location of two nodes in a doubly linked list, and returns the + first node after the swap. + + If FirstEntry is identical to SecondEntry, then SecondEntry is returned. + Otherwise, the location of the FirstEntry node is swapped with the location + of the SecondEntry node in a doubly linked list. SecondEntry must be in the + same double linked list as FirstEntry and that double linked list must have + been initialized with INTIALIZE_LIST_HEAD_VARIABLE() or InitializeListHead(). + SecondEntry is returned after the nodes are swapped. + + If FirstEntry is NULL, then ASSERT(). + If SecondEntry is NULL, then ASSERT(). + If PcdVerifyNodeInList is TRUE and SecondEntry and FirstEntry are not in the + same linked list, then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes in the + linked list containing the FirstEntry and SecondEntry nodes, including + the FirstEntry and SecondEntry nodes, is greater than or equal to + PcdMaximumLinkedListLength, then ASSERT(). + + @param FirstEntry A pointer to a node in a linked list. + @param SecondEntry A pointer to another node in the same linked list. + + @return SecondEntry. + +**/ +LIST_ENTRY * +EFIAPI +SwapListEntries ( + IN OUT LIST_ENTRY *FirstEntry, + IN OUT LIST_ENTRY *SecondEntry + ); + + +/** + Removes a node from a doubly linked list, and returns the node that follows + the removed node. + + Removes the node Entry from a doubly linked list. It is up to the caller of + this function to release the memory used by this node if that is required. On + exit, the node following Entry in the doubly linked list is returned. If + Entry is the only node in the linked list, then the head node of the linked + list is returned. + + If Entry is NULL, then ASSERT(). + If Entry is the head node of an empty list, then ASSERT(). + If PcdMaximumLinkedListLength is not zero, and the number of nodes in the + linked list containing Entry, including the Entry node, is greater than + or equal to PcdMaximumLinkedListLength, then ASSERT(). + + @param Entry A pointer to a node in a linked list. + + @return Entry. + +**/ +LIST_ENTRY * +EFIAPI +RemoveEntryList ( + IN CONST LIST_ENTRY *Entry + ); + +// +// Math Services +// + +/** + Shifts a 64-bit integer left between 0 and 63 bits. The low bits are filled + with zeros. The shifted value is returned. + + This function shifts the 64-bit value Operand to the left by Count bits. The + low Count bits are set to zero. The shifted value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to shift left. + @param Count The number of bits to shift left. + + @return Operand << Count. + +**/ +UINT64 +EFIAPI +LShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Shifts a 64-bit integer right between 0 and 63 bits. This high bits are + filled with zeros. The shifted value is returned. + + This function shifts the 64-bit value Operand to the right by Count bits. The + high Count bits are set to zero. The shifted value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to shift right. + @param Count The number of bits to shift right. + + @return Operand >> Count + +**/ +UINT64 +EFIAPI +RShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled + with original integer's bit 63. The shifted value is returned. + + This function shifts the 64-bit value Operand to the right by Count bits. The + high Count bits are set to bit 63 of Operand. The shifted value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to shift right. + @param Count The number of bits to shift right. + + @return Operand >> Count + +**/ +UINT64 +EFIAPI +ARShiftU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Rotates a 32-bit integer left between 0 and 31 bits, filling the low bits + with the high bits that were rotated. + + This function rotates the 32-bit value Operand to the left by Count bits. The + low Count bits are fill with the high Count bits of Operand. The rotated + value is returned. + + If Count is greater than 31, then ASSERT(). + + @param Operand The 32-bit operand to rotate left. + @param Count The number of bits to rotate left. + + @return Operand << Count + +**/ +UINT32 +EFIAPI +LRotU32 ( + IN UINT32 Operand, + IN UINTN Count + ); + + +/** + Rotates a 32-bit integer right between 0 and 31 bits, filling the high bits + with the low bits that were rotated. + + This function rotates the 32-bit value Operand to the right by Count bits. + The high Count bits are fill with the low Count bits of Operand. The rotated + value is returned. + + If Count is greater than 31, then ASSERT(). + + @param Operand The 32-bit operand to rotate right. + @param Count The number of bits to rotate right. + + @return Operand >> Count + +**/ +UINT32 +EFIAPI +RRotU32 ( + IN UINT32 Operand, + IN UINTN Count + ); + + +/** + Rotates a 64-bit integer left between 0 and 63 bits, filling the low bits + with the high bits that were rotated. + + This function rotates the 64-bit value Operand to the left by Count bits. The + low Count bits are fill with the high Count bits of Operand. The rotated + value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to rotate left. + @param Count The number of bits to rotate left. + + @return Operand << Count + +**/ +UINT64 +EFIAPI +LRotU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Rotates a 64-bit integer right between 0 and 63 bits, filling the high bits + with the high low bits that were rotated. + + This function rotates the 64-bit value Operand to the right by Count bits. + The high Count bits are fill with the low Count bits of Operand. The rotated + value is returned. + + If Count is greater than 63, then ASSERT(). + + @param Operand The 64-bit operand to rotate right. + @param Count The number of bits to rotate right. + + @return Operand >> Count + +**/ +UINT64 +EFIAPI +RRotU64 ( + IN UINT64 Operand, + IN UINTN Count + ); + + +/** + Returns the bit position of the lowest bit set in a 32-bit value. + + This function computes the bit position of the lowest bit set in the 32-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 31 is returned. + + @param Operand The 32-bit operand to evaluate. + + @retval 0..31 The lowest bit set in Operand was found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +LowBitSet32 ( + IN UINT32 Operand + ); + + +/** + Returns the bit position of the lowest bit set in a 64-bit value. + + This function computes the bit position of the lowest bit set in the 64-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 63 is returned. + + @param Operand The 64-bit operand to evaluate. + + @retval 0..63 The lowest bit set in Operand was found. + @retval -1 Operand is zero. + + +**/ +INTN +EFIAPI +LowBitSet64 ( + IN UINT64 Operand + ); + + +/** + Returns the bit position of the highest bit set in a 32-bit value. Equivalent + to log2(x). + + This function computes the bit position of the highest bit set in the 32-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 31 is returned. + + @param Operand The 32-bit operand to evaluate. + + @retval 0..31 Position of the highest bit set in Operand if found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +HighBitSet32 ( + IN UINT32 Operand + ); + + +/** + Returns the bit position of the highest bit set in a 64-bit value. Equivalent + to log2(x). + + This function computes the bit position of the highest bit set in the 64-bit + value specified by Operand. If Operand is zero, then -1 is returned. + Otherwise, a value between 0 and 63 is returned. + + @param Operand The 64-bit operand to evaluate. + + @retval 0..63 Position of the highest bit set in Operand if found. + @retval -1 Operand is zero. + +**/ +INTN +EFIAPI +HighBitSet64 ( + IN UINT64 Operand + ); + + +/** + Returns the value of the highest bit set in a 32-bit value. Equivalent to + 1 << log2(x). + + This function computes the value of the highest bit set in the 32-bit value + specified by Operand. If Operand is zero, then zero is returned. + + @param Operand The 32-bit operand to evaluate. + + @return 1 << HighBitSet32(Operand) + @retval 0 Operand is zero. + +**/ +UINT32 +EFIAPI +GetPowerOfTwo32 ( + IN UINT32 Operand + ); + + +/** + Returns the value of the highest bit set in a 64-bit value. Equivalent to + 1 << log2(x). + + This function computes the value of the highest bit set in the 64-bit value + specified by Operand. If Operand is zero, then zero is returned. + + @param Operand The 64-bit operand to evaluate. + + @return 1 << HighBitSet64(Operand) + @retval 0 Operand is zero. + +**/ +UINT64 +EFIAPI +GetPowerOfTwo64 ( + IN UINT64 Operand + ); + + +/** + Switches the endianness of a 16-bit integer. + + This function swaps the bytes in a 16-bit unsigned value to switch the value + from little endian to big endian or vice versa. The byte swapped value is + returned. + + @param Value A 16-bit unsigned value. + + @return The byte swapped Value. + +**/ +UINT16 +EFIAPI +SwapBytes16 ( + IN UINT16 Value + ); + + +/** + Switches the endianness of a 32-bit integer. + + This function swaps the bytes in a 32-bit unsigned value to switch the value + from little endian to big endian or vice versa. The byte swapped value is + returned. + + @param Value A 32-bit unsigned value. + + @return The byte swapped Value. + +**/ +UINT32 +EFIAPI +SwapBytes32 ( + IN UINT32 Value + ); + + +/** + Switches the endianness of a 64-bit integer. + + This function swaps the bytes in a 64-bit unsigned value to switch the value + from little endian to big endian or vice versa. The byte swapped value is + returned. + + @param Value A 64-bit unsigned value. + + @return The byte swapped Value. + +**/ +UINT64 +EFIAPI +SwapBytes64 ( + IN UINT64 Value + ); + + +/** + Multiples a 64-bit unsigned integer by a 32-bit unsigned integer and + generates a 64-bit unsigned result. + + This function multiples the 64-bit unsigned value Multiplicand by the 32-bit + unsigned value Multiplier and generates a 64-bit unsigned result. This 64- + bit unsigned result is returned. + + @param Multiplicand A 64-bit unsigned value. + @param Multiplier A 32-bit unsigned value. + + @return Multiplicand * Multiplier + +**/ +UINT64 +EFIAPI +MultU64x32 ( + IN UINT64 Multiplicand, + IN UINT32 Multiplier + ); + + +/** + Multiples a 64-bit unsigned integer by a 64-bit unsigned integer and + generates a 64-bit unsigned result. + + This function multiples the 64-bit unsigned value Multiplicand by the 64-bit + unsigned value Multiplier and generates a 64-bit unsigned result. This 64- + bit unsigned result is returned. + + @param Multiplicand A 64-bit unsigned value. + @param Multiplier A 64-bit unsigned value. + + @return Multiplicand * Multiplier. + +**/ +UINT64 +EFIAPI +MultU64x64 ( + IN UINT64 Multiplicand, + IN UINT64 Multiplier + ); + + +/** + Multiples a 64-bit signed integer by a 64-bit signed integer and generates a + 64-bit signed result. + + This function multiples the 64-bit signed value Multiplicand by the 64-bit + signed value Multiplier and generates a 64-bit signed result. This 64-bit + signed result is returned. + + @param Multiplicand A 64-bit signed value. + @param Multiplier A 64-bit signed value. + + @return Multiplicand * Multiplier + +**/ +INT64 +EFIAPI +MultS64x64 ( + IN INT64 Multiplicand, + IN INT64 Multiplier + ); + + +/** + Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates + a 64-bit unsigned result. + + This function divides the 64-bit unsigned value Dividend by the 32-bit + unsigned value Divisor and generates a 64-bit unsigned quotient. This + function returns the 64-bit unsigned quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 32-bit unsigned value. + + @return Dividend / Divisor. + +**/ +UINT64 +EFIAPI +DivU64x32 ( + IN UINT64 Dividend, + IN UINT32 Divisor + ); + + +/** + Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates + a 32-bit unsigned remainder. + + This function divides the 64-bit unsigned value Dividend by the 32-bit + unsigned value Divisor and generates a 32-bit remainder. This function + returns the 32-bit unsigned remainder. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 32-bit unsigned value. + + @return Dividend % Divisor. + +**/ +UINT32 +EFIAPI +ModU64x32 ( + IN UINT64 Dividend, + IN UINT32 Divisor + ); + + +/** + Divides a 64-bit unsigned integer by a 32-bit unsigned integer and generates + a 64-bit unsigned result and an optional 32-bit unsigned remainder. + + This function divides the 64-bit unsigned value Dividend by the 32-bit + unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder + is not NULL, then the 32-bit unsigned remainder is returned in Remainder. + This function returns the 64-bit unsigned quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 32-bit unsigned value. + @param Remainder A pointer to a 32-bit unsigned value. This parameter is + optional and may be NULL. + + @return Dividend / Divisor. + +**/ +UINT64 +EFIAPI +DivU64x32Remainder ( + IN UINT64 Dividend, + IN UINT32 Divisor, + OUT UINT32 *Remainder OPTIONAL + ); + + +/** + Divides a 64-bit unsigned integer by a 64-bit unsigned integer and generates + a 64-bit unsigned result and an optional 64-bit unsigned remainder. + + This function divides the 64-bit unsigned value Dividend by the 64-bit + unsigned value Divisor and generates a 64-bit unsigned quotient. If Remainder + is not NULL, then the 64-bit unsigned remainder is returned in Remainder. + This function returns the 64-bit unsigned quotient. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit unsigned value. + @param Divisor A 64-bit unsigned value. + @param Remainder A pointer to a 64-bit unsigned value. This parameter is + optional and may be NULL. + + @return Dividend / Divisor. + +**/ +UINT64 +EFIAPI +DivU64x64Remainder ( + IN UINT64 Dividend, + IN UINT64 Divisor, + OUT UINT64 *Remainder OPTIONAL + ); + + +/** + Divides a 64-bit signed integer by a 64-bit signed integer and generates a + 64-bit signed result and a optional 64-bit signed remainder. + + This function divides the 64-bit signed value Dividend by the 64-bit signed + value Divisor and generates a 64-bit signed quotient. If Remainder is not + NULL, then the 64-bit signed remainder is returned in Remainder. This + function returns the 64-bit signed quotient. + + It is the caller's responsibility to not call this function with a Divisor of 0. + If Divisor is 0, then the quotient and remainder should be assumed to be + the largest negative integer. + + If Divisor is 0, then ASSERT(). + + @param Dividend A 64-bit signed value. + @param Divisor A 64-bit signed value. + @param Remainder A pointer to a 64-bit signed value. This parameter is + optional and may be NULL. + + @return Dividend / Divisor. + +**/ +INT64 +EFIAPI +DivS64x64Remainder ( + IN INT64 Dividend, + IN INT64 Divisor, + OUT INT64 *Remainder OPTIONAL + ); + + +/** + Reads a 16-bit value from memory that may be unaligned. + + This function returns the 16-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 16-bit value that may be unaligned. + + @return The 16-bit value read from Buffer. + +**/ +UINT16 +EFIAPI +ReadUnaligned16 ( + IN CONST UINT16 *Buffer + ); + + +/** + Writes a 16-bit value to memory that may be unaligned. + + This function writes the 16-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 16-bit value that may be unaligned. + @param Value 16-bit value to write to Buffer. + + @return The 16-bit value to write to Buffer. + +**/ +UINT16 +EFIAPI +WriteUnaligned16 ( + OUT UINT16 *Buffer, + IN UINT16 Value + ); + + +/** + Reads a 24-bit value from memory that may be unaligned. + + This function returns the 24-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 24-bit value that may be unaligned. + + @return The 24-bit value read from Buffer. + +**/ +UINT32 +EFIAPI +ReadUnaligned24 ( + IN CONST UINT32 *Buffer + ); + + +/** + Writes a 24-bit value to memory that may be unaligned. + + This function writes the 24-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 24-bit value that may be unaligned. + @param Value 24-bit value to write to Buffer. + + @return The 24-bit value to write to Buffer. + +**/ +UINT32 +EFIAPI +WriteUnaligned24 ( + OUT UINT32 *Buffer, + IN UINT32 Value + ); + + +/** + Reads a 32-bit value from memory that may be unaligned. + + This function returns the 32-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 32-bit value that may be unaligned. + + @return The 32-bit value read from Buffer. + +**/ +UINT32 +EFIAPI +ReadUnaligned32 ( + IN CONST UINT32 *Buffer + ); + + +/** + Writes a 32-bit value to memory that may be unaligned. + + This function writes the 32-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 32-bit value that may be unaligned. + @param Value 32-bit value to write to Buffer. + + @return The 32-bit value to write to Buffer. + +**/ +UINT32 +EFIAPI +WriteUnaligned32 ( + OUT UINT32 *Buffer, + IN UINT32 Value + ); + + +/** + Reads a 64-bit value from memory that may be unaligned. + + This function returns the 64-bit value pointed to by Buffer. The function + guarantees that the read operation does not produce an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 64-bit value that may be unaligned. + + @return The 64-bit value read from Buffer. + +**/ +UINT64 +EFIAPI +ReadUnaligned64 ( + IN CONST UINT64 *Buffer + ); + + +/** + Writes a 64-bit value to memory that may be unaligned. + + This function writes the 64-bit value specified by Value to Buffer. Value is + returned. The function guarantees that the write operation does not produce + an alignment fault. + + If the Buffer is NULL, then ASSERT(). + + @param Buffer The pointer to a 64-bit value that may be unaligned. + @param Value 64-bit value to write to Buffer. + + @return The 64-bit value to write to Buffer. + +**/ +UINT64 +EFIAPI +WriteUnaligned64 ( + OUT UINT64 *Buffer, + IN UINT64 Value + ); + + +// +// Bit Field Functions +// + +/** + Returns a bit field from an 8-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The bit field read. + +**/ +UINT8 +EFIAPI +BitFieldRead8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to an 8-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 8-bit value is + returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldWrite8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + + +/** + Reads a bit field from an 8-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 8-bit value is returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the read value from the value + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldOr8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + + +/** + Reads a bit field from an 8-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 8-bit value is returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the value. + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldAnd8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + + +/** + Reads a bit field from an 8-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + OR with value specified by OrData. All other bits in Operand are + preserved. The new 8-bit value is returned. + + If 8-bit operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 8-bit value. + +**/ +UINT8 +EFIAPI +BitFieldAndThenOr8 ( + IN UINT8 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + + +/** + Returns a bit field from a 16-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The bit field read. + +**/ +UINT16 +EFIAPI +BitFieldRead16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to a 16-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 16-bit value is + returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldWrite16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + + +/** + Reads a bit field from a 16-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 16-bit value is returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the read value from the value + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldOr16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + + +/** + Reads a bit field from a 16-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 16-bit value is returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the value + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldAnd16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + + +/** + Reads a bit field from a 16-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + OR with value specified by OrData. All other bits in Operand are + preserved. The new 16-bit value is returned. + + If 16-bit operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 16-bit value. + +**/ +UINT16 +EFIAPI +BitFieldAndThenOr16 ( + IN UINT16 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + + +/** + Returns a bit field from a 32-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The bit field read. + +**/ +UINT32 +EFIAPI +BitFieldRead32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to a 32-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 32-bit value is + returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldWrite32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + + +/** + Reads a bit field from a 32-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 32-bit value is returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the read value from the value. + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldOr32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + + +/** + Reads a bit field from a 32-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 32-bit value is returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the value + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldAnd32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + + +/** + Reads a bit field from a 32-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + OR with value specified by OrData. All other bits in Operand are + preserved. The new 32-bit value is returned. + + If 32-bit operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 32-bit value. + +**/ +UINT32 +EFIAPI +BitFieldAndThenOr32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + + +/** + Returns a bit field from a 64-bit value. + + Returns the bitfield specified by the StartBit and the EndBit from Operand. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The bit field read. + +**/ +UINT64 +EFIAPI +BitFieldRead64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to a 64-bit value, and returns the result. + + Writes Value to the bit field specified by the StartBit and the EndBit in + Operand. All other bits in Operand are preserved. The new 64-bit value is + returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldWrite64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + + +/** + Reads a bit field from a 64-bit value, performs a bitwise OR, and returns the + result. + + Performs a bitwise OR between the bit field specified by StartBit + and EndBit in Operand and the value specified by OrData. All other bits in + Operand are preserved. The new 64-bit value is returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with the read value from the value + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldOr64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + + +/** + Reads a bit field from a 64-bit value, performs a bitwise AND, and returns + the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData. All other bits in Operand are + preserved. The new 64-bit value is returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the value + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldAnd64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + + +/** + Reads a bit field from a 64-bit value, performs a bitwise AND followed by a + bitwise OR, and returns the result. + + Performs a bitwise AND between the bit field specified by StartBit and EndBit + in Operand and the value specified by AndData, followed by a bitwise + OR with value specified by OrData. All other bits in Operand are + preserved. The new 64-bit value is returned. + + If 64-bit operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the value. + @param OrData The value to OR with the result of the AND operation. + + @return The new 64-bit value. + +**/ +UINT64 +EFIAPI +BitFieldAndThenOr64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field from a 32-bit value, counts and returns + the number of set bits. + + Counts the number of set bits in the bit field specified by + StartBit and EndBit in Operand. The count is returned. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The number of bits set between StartBit and EndBit. + +**/ +UINT8 +EFIAPI +BitFieldCountOnes32 ( + IN UINT32 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Reads a bit field from a 64-bit value, counts and returns + the number of set bits. + + Counts the number of set bits in the bit field specified by + StartBit and EndBit in Operand. The count is returned. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Operand Operand on which to perform the bitfield operation. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The number of bits set between StartBit and EndBit. + +**/ +UINT8 +EFIAPI +BitFieldCountOnes64 ( + IN UINT64 Operand, + IN UINTN StartBit, + IN UINTN EndBit + ); + +// +// Base Library Checksum Functions +// + +/** + Returns the sum of all elements in a buffer in unit of UINT8. + During calculation, the carry bits are dropped. + + This function calculates the sum of all elements in a buffer + in unit of UINT8. The carry bits in result of addition are dropped. + The result is returned as UINT8. If Length is Zero, then Zero is + returned. + + If Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT8 +EFIAPI +CalculateSum8 ( + IN CONST UINT8 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer + of 8-bit values. + + This function first calculates the sum of the 8-bit values in the + buffer specified by Buffer and Length. The carry bits in the result + of addition are dropped. Then, the two's complement of the sum is + returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The two's complement checksum of Buffer. + +**/ +UINT8 +EFIAPI +CalculateCheckSum8 ( + IN CONST UINT8 *Buffer, + IN UINTN Length + ); + + +/** + Returns the sum of all elements in a buffer of 16-bit values. During + calculation, the carry bits are dropped. + + This function calculates the sum of the 16-bit values in the buffer + specified by Buffer and Length. The carry bits in result of addition are dropped. + The 16-bit result is returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT16 +EFIAPI +CalculateSum16 ( + IN CONST UINT16 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer of + 16-bit values. + + This function first calculates the sum of the 16-bit values in the buffer + specified by Buffer and Length. The carry bits in the result of addition + are dropped. Then, the two's complement of the sum is returned. If Length + is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The two's complement checksum of Buffer. + +**/ +UINT16 +EFIAPI +CalculateCheckSum16 ( + IN CONST UINT16 *Buffer, + IN UINTN Length + ); + + +/** + Returns the sum of all elements in a buffer of 32-bit values. During + calculation, the carry bits are dropped. + + This function calculates the sum of the 32-bit values in the buffer + specified by Buffer and Length. The carry bits in result of addition are dropped. + The 32-bit result is returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT32 +EFIAPI +CalculateSum32 ( + IN CONST UINT32 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer of + 32-bit values. + + This function first calculates the sum of the 32-bit values in the buffer + specified by Buffer and Length. The carry bits in the result of addition + are dropped. Then, the two's complement of the sum is returned. If Length + is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The two's complement checksum of Buffer. + +**/ +UINT32 +EFIAPI +CalculateCheckSum32 ( + IN CONST UINT32 *Buffer, + IN UINTN Length + ); + + +/** + Returns the sum of all elements in a buffer of 64-bit values. During + calculation, the carry bits are dropped. + + This function calculates the sum of the 64-bit values in the buffer + specified by Buffer and Length. The carry bits in result of addition are dropped. + The 64-bit result is returned. If Length is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the sum operation. + @param Length The size, in bytes, of Buffer. + + @return Sum The sum of Buffer with carry bits dropped during additions. + +**/ +UINT64 +EFIAPI +CalculateSum64 ( + IN CONST UINT64 *Buffer, + IN UINTN Length + ); + + +/** + Returns the two's complement checksum of all elements in a buffer of + 64-bit values. + + This function first calculates the sum of the 64-bit values in the buffer + specified by Buffer and Length. The carry bits in the result of addition + are dropped. Then, the two's complement of the sum is returned. If Length + is 0, then 0 is returned. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to carry out the checksum operation. + @param Length The size, in bytes, of Buffer. + + @return Checksum The two's complement checksum of Buffer. + +**/ +UINT64 +EFIAPI +CalculateCheckSum64 ( + IN CONST UINT64 *Buffer, + IN UINTN Length + ); + +/** + Computes and returns a 32-bit CRC for a data buffer. + CRC32 value bases on ITU-T V.42. + + If Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param[in] Buffer A pointer to the buffer on which the 32-bit CRC is to be computed. + @param[in] Length The number of bytes in the buffer Data. + + @retval Crc32 The 32-bit CRC was computed for the data buffer. + +**/ +UINT32 +EFIAPI +CalculateCrc32( + IN VOID *Buffer, + IN UINTN Length + ); + +// +// Base Library CPU Functions +// + +/** + Function entry point used when a stack switch is requested with SwitchStack() + + @param Context1 Context1 parameter passed into SwitchStack(). + @param Context2 Context2 parameter passed into SwitchStack(). + +**/ +typedef +VOID +(EFIAPI *SWITCH_STACK_ENTRY_POINT)( + IN VOID *Context1, OPTIONAL + IN VOID *Context2 OPTIONAL + ); + + +/** + Used to serialize load and store operations. + + All loads and stores that proceed calls to this function are guaranteed to be + globally visible when this function returns. + +**/ +VOID +EFIAPI +MemoryFence ( + VOID + ); + + +/** + Saves the current CPU context that can be restored with a call to LongJump() + and returns 0. + + Saves the current CPU context in the buffer specified by JumpBuffer and + returns 0. The initial call to SetJump() must always return 0. Subsequent + calls to LongJump() cause a non-zero value to be returned by SetJump(). + + If JumpBuffer is NULL, then ASSERT(). + For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT(). + + NOTE: The structure BASE_LIBRARY_JUMP_BUFFER is CPU architecture specific. + The same structure must never be used for more than one CPU architecture context. + For example, a BASE_LIBRARY_JUMP_BUFFER allocated by an IA-32 module must never be used from an x64 module. + SetJump()/LongJump() is not currently supported for the EBC processor type. + + @param JumpBuffer A pointer to CPU context buffer. + + @retval 0 Indicates a return from SetJump(). + +**/ +RETURNS_TWICE +UINTN +EFIAPI +SetJump ( + OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer + ); + + +/** + Restores the CPU context that was saved with SetJump(). + + Restores the CPU context from the buffer specified by JumpBuffer. This + function never returns to the caller. Instead is resumes execution based on + the state of JumpBuffer. + + If JumpBuffer is NULL, then ASSERT(). + For Itanium processors, if JumpBuffer is not aligned on a 16-byte boundary, then ASSERT(). + If Value is 0, then ASSERT(). + + @param JumpBuffer A pointer to CPU context buffer. + @param Value The value to return when the SetJump() context is + restored and must be non-zero. + +**/ +VOID +EFIAPI +LongJump ( + IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer, + IN UINTN Value + ); + + +/** + Enables CPU interrupts. + +**/ +VOID +EFIAPI +EnableInterrupts ( + VOID + ); + + +/** + Disables CPU interrupts. + +**/ +VOID +EFIAPI +DisableInterrupts ( + VOID + ); + + +/** + Disables CPU interrupts and returns the interrupt state prior to the disable + operation. + + @retval TRUE CPU interrupts were enabled on entry to this call. + @retval FALSE CPU interrupts were disabled on entry to this call. + +**/ +BOOLEAN +EFIAPI +SaveAndDisableInterrupts ( + VOID + ); + + +/** + Enables CPU interrupts for the smallest window required to capture any + pending interrupts. + +**/ +VOID +EFIAPI +EnableDisableInterrupts ( + VOID + ); + + +/** + Retrieves the current CPU interrupt state. + + Returns TRUE if interrupts are currently enabled. Otherwise + returns FALSE. + + @retval TRUE CPU interrupts are enabled. + @retval FALSE CPU interrupts are disabled. + +**/ +BOOLEAN +EFIAPI +GetInterruptState ( + VOID + ); + + +/** + Set the current CPU interrupt state. + + Sets the current CPU interrupt state to the state specified by + InterruptState. If InterruptState is TRUE, then interrupts are enabled. If + InterruptState is FALSE, then interrupts are disabled. InterruptState is + returned. + + @param InterruptState TRUE if interrupts should enabled. FALSE if + interrupts should be disabled. + + @return InterruptState + +**/ +BOOLEAN +EFIAPI +SetInterruptState ( + IN BOOLEAN InterruptState + ); + + +/** + Requests CPU to pause for a short period of time. + + Requests CPU to pause for a short period of time. Typically used in MP + systems to prevent memory starvation while waiting for a spin lock. + +**/ +VOID +EFIAPI +CpuPause ( + VOID + ); + + +/** + Transfers control to a function starting with a new stack. + + Transfers control to the function specified by EntryPoint using the + new stack specified by NewStack and passing in the parameters specified + by Context1 and Context2. Context1 and Context2 are optional and may + be NULL. The function EntryPoint must never return. This function + supports a variable number of arguments following the NewStack parameter. + These additional arguments are ignored on IA-32, x64, and EBC architectures. + Itanium processors expect one additional parameter of type VOID * that specifies + the new backing store pointer. + + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + @param EntryPoint A pointer to function to call with the new stack. + @param Context1 A pointer to the context to pass into the EntryPoint + function. + @param Context2 A pointer to the context to pass into the EntryPoint + function. + @param NewStack A pointer to the new stack to use for the EntryPoint + function. + @param ... This variable argument list is ignored for IA-32, x64, and + EBC architectures. For Itanium processors, this variable + argument list is expected to contain a single parameter of + type VOID * that specifies the new backing store pointer. + + +**/ +VOID +EFIAPI +SwitchStack ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack, + ... + ); + + +/** + Generates a breakpoint on the CPU. + + Generates a breakpoint on the CPU. The breakpoint must be implemented such + that code can resume normal execution after the breakpoint. + +**/ +VOID +EFIAPI +CpuBreakpoint ( + VOID + ); + + +/** + Executes an infinite loop. + + Forces the CPU to execute an infinite loop. A debugger may be used to skip + past the loop and the code that follows the loop must execute properly. This + implies that the infinite loop must not cause the code that follow it to be + optimized away. + +**/ +VOID +EFIAPI +CpuDeadLoop ( + VOID + ); + + +/** + Uses as a barrier to stop speculative execution. + + Ensures that no later instruction will execute speculatively, until all prior + instructions have completed. + +**/ +VOID +EFIAPI +SpeculationBarrier ( + VOID + ); + + +#if defined (MDE_CPU_IA32) || defined (MDE_CPU_X64) +/// +/// IA32 and x64 Specific Functions. +/// Byte packed structure for 16-bit Real Mode EFLAGS. +/// +typedef union { + struct { + UINT32 CF:1; ///< Carry Flag. + UINT32 Reserved_0:1; ///< Reserved. + UINT32 PF:1; ///< Parity Flag. + UINT32 Reserved_1:1; ///< Reserved. + UINT32 AF:1; ///< Auxiliary Carry Flag. + UINT32 Reserved_2:1; ///< Reserved. + UINT32 ZF:1; ///< Zero Flag. + UINT32 SF:1; ///< Sign Flag. + UINT32 TF:1; ///< Trap Flag. + UINT32 IF:1; ///< Interrupt Enable Flag. + UINT32 DF:1; ///< Direction Flag. + UINT32 OF:1; ///< Overflow Flag. + UINT32 IOPL:2; ///< I/O Privilege Level. + UINT32 NT:1; ///< Nested Task. + UINT32 Reserved_3:1; ///< Reserved. + } Bits; + UINT16 Uint16; +} IA32_FLAGS16; + +/// +/// Byte packed structure for EFLAGS/RFLAGS. +/// 32-bits on IA-32. +/// 64-bits on x64. The upper 32-bits on x64 are reserved. +/// +typedef union { + struct { + UINT32 CF:1; ///< Carry Flag. + UINT32 Reserved_0:1; ///< Reserved. + UINT32 PF:1; ///< Parity Flag. + UINT32 Reserved_1:1; ///< Reserved. + UINT32 AF:1; ///< Auxiliary Carry Flag. + UINT32 Reserved_2:1; ///< Reserved. + UINT32 ZF:1; ///< Zero Flag. + UINT32 SF:1; ///< Sign Flag. + UINT32 TF:1; ///< Trap Flag. + UINT32 IF:1; ///< Interrupt Enable Flag. + UINT32 DF:1; ///< Direction Flag. + UINT32 OF:1; ///< Overflow Flag. + UINT32 IOPL:2; ///< I/O Privilege Level. + UINT32 NT:1; ///< Nested Task. + UINT32 Reserved_3:1; ///< Reserved. + UINT32 RF:1; ///< Resume Flag. + UINT32 VM:1; ///< Virtual 8086 Mode. + UINT32 AC:1; ///< Alignment Check. + UINT32 VIF:1; ///< Virtual Interrupt Flag. + UINT32 VIP:1; ///< Virtual Interrupt Pending. + UINT32 ID:1; ///< ID Flag. + UINT32 Reserved_4:10; ///< Reserved. + } Bits; + UINTN UintN; +} IA32_EFLAGS32; + +/// +/// Byte packed structure for Control Register 0 (CR0). +/// 32-bits on IA-32. +/// 64-bits on x64. The upper 32-bits on x64 are reserved. +/// +typedef union { + struct { + UINT32 PE:1; ///< Protection Enable. + UINT32 MP:1; ///< Monitor Coprocessor. + UINT32 EM:1; ///< Emulation. + UINT32 TS:1; ///< Task Switched. + UINT32 ET:1; ///< Extension Type. + UINT32 NE:1; ///< Numeric Error. + UINT32 Reserved_0:10; ///< Reserved. + UINT32 WP:1; ///< Write Protect. + UINT32 Reserved_1:1; ///< Reserved. + UINT32 AM:1; ///< Alignment Mask. + UINT32 Reserved_2:10; ///< Reserved. + UINT32 NW:1; ///< Mot Write-through. + UINT32 CD:1; ///< Cache Disable. + UINT32 PG:1; ///< Paging. + } Bits; + UINTN UintN; +} IA32_CR0; + +/// +/// Byte packed structure for Control Register 4 (CR4). +/// 32-bits on IA-32. +/// 64-bits on x64. The upper 32-bits on x64 are reserved. +/// +typedef union { + struct { + UINT32 VME:1; ///< Virtual-8086 Mode Extensions. + UINT32 PVI:1; ///< Protected-Mode Virtual Interrupts. + UINT32 TSD:1; ///< Time Stamp Disable. + UINT32 DE:1; ///< Debugging Extensions. + UINT32 PSE:1; ///< Page Size Extensions. + UINT32 PAE:1; ///< Physical Address Extension. + UINT32 MCE:1; ///< Machine Check Enable. + UINT32 PGE:1; ///< Page Global Enable. + UINT32 PCE:1; ///< Performance Monitoring Counter + ///< Enable. + UINT32 OSFXSR:1; ///< Operating System Support for + ///< FXSAVE and FXRSTOR instructions + UINT32 OSXMMEXCPT:1; ///< Operating System Support for + ///< Unmasked SIMD Floating Point + ///< Exceptions. + UINT32 UMIP:1; ///< User-Mode Instruction Prevention. + UINT32 LA57:1; ///< Linear Address 57bit. + UINT32 VMXE:1; ///< VMX Enable. + UINT32 SMXE:1; ///< SMX Enable. + UINT32 Reserved_3:1; ///< Reserved. + UINT32 FSGSBASE:1; ///< FSGSBASE Enable. + UINT32 PCIDE:1; ///< PCID Enable. + UINT32 OSXSAVE:1; ///< XSAVE and Processor Extended States Enable. + UINT32 Reserved_4:1; ///< Reserved. + UINT32 SMEP:1; ///< SMEP Enable. + UINT32 SMAP:1; ///< SMAP Enable. + UINT32 PKE:1; ///< Protection-Key Enable. + UINT32 Reserved_5:9; ///< Reserved. + } Bits; + UINTN UintN; +} IA32_CR4; + +/// +/// Byte packed structure for a segment descriptor in a GDT/LDT. +/// +typedef union { + struct { + UINT32 LimitLow:16; + UINT32 BaseLow:16; + UINT32 BaseMid:8; + UINT32 Type:4; + UINT32 S:1; + UINT32 DPL:2; + UINT32 P:1; + UINT32 LimitHigh:4; + UINT32 AVL:1; + UINT32 L:1; + UINT32 DB:1; + UINT32 G:1; + UINT32 BaseHigh:8; + } Bits; + UINT64 Uint64; +} IA32_SEGMENT_DESCRIPTOR; + +/// +/// Byte packed structure for an IDTR, GDTR, LDTR descriptor. +/// +#pragma pack (1) +typedef struct { + UINT16 Limit; + UINTN Base; +} IA32_DESCRIPTOR; +#pragma pack () + +#define IA32_IDT_GATE_TYPE_TASK 0x85 +#define IA32_IDT_GATE_TYPE_INTERRUPT_16 0x86 +#define IA32_IDT_GATE_TYPE_TRAP_16 0x87 +#define IA32_IDT_GATE_TYPE_INTERRUPT_32 0x8E +#define IA32_IDT_GATE_TYPE_TRAP_32 0x8F + +#define IA32_GDT_TYPE_TSS 0x9 +#define IA32_GDT_ALIGNMENT 8 + +#if defined (MDE_CPU_IA32) +/// +/// Byte packed structure for an IA-32 Interrupt Gate Descriptor. +/// +typedef union { + struct { + UINT32 OffsetLow:16; ///< Offset bits 15..0. + UINT32 Selector:16; ///< Selector. + UINT32 Reserved_0:8; ///< Reserved. + UINT32 GateType:8; ///< Gate Type. See #defines above. + UINT32 OffsetHigh:16; ///< Offset bits 31..16. + } Bits; + UINT64 Uint64; +} IA32_IDT_GATE_DESCRIPTOR; + +#pragma pack (1) +// +// IA32 Task-State Segment Definition +// +typedef struct { + UINT16 PreviousTaskLink; + UINT16 Reserved_2; + UINT32 ESP0; + UINT16 SS0; + UINT16 Reserved_10; + UINT32 ESP1; + UINT16 SS1; + UINT16 Reserved_18; + UINT32 ESP2; + UINT16 SS2; + UINT16 Reserved_26; + UINT32 CR3; + UINT32 EIP; + UINT32 EFLAGS; + UINT32 EAX; + UINT32 ECX; + UINT32 EDX; + UINT32 EBX; + UINT32 ESP; + UINT32 EBP; + UINT32 ESI; + UINT32 EDI; + UINT16 ES; + UINT16 Reserved_74; + UINT16 CS; + UINT16 Reserved_78; + UINT16 SS; + UINT16 Reserved_82; + UINT16 DS; + UINT16 Reserved_86; + UINT16 FS; + UINT16 Reserved_90; + UINT16 GS; + UINT16 Reserved_94; + UINT16 LDTSegmentSelector; + UINT16 Reserved_98; + UINT16 T; + UINT16 IOMapBaseAddress; +} IA32_TASK_STATE_SEGMENT; + +typedef union { + struct { + UINT32 LimitLow:16; ///< Segment Limit 15..00 + UINT32 BaseLow:16; ///< Base Address 15..00 + UINT32 BaseMid:8; ///< Base Address 23..16 + UINT32 Type:4; ///< Type (1 0 B 1) + UINT32 Reserved_43:1; ///< 0 + UINT32 DPL:2; ///< Descriptor Privilege Level + UINT32 P:1; ///< Segment Present + UINT32 LimitHigh:4; ///< Segment Limit 19..16 + UINT32 AVL:1; ///< Available for use by system software + UINT32 Reserved_52:2; ///< 0 0 + UINT32 G:1; ///< Granularity + UINT32 BaseHigh:8; ///< Base Address 31..24 + } Bits; + UINT64 Uint64; +} IA32_TSS_DESCRIPTOR; +#pragma pack () + +#endif // defined (MDE_CPU_IA32) + +#if defined (MDE_CPU_X64) +/// +/// Byte packed structure for an x64 Interrupt Gate Descriptor. +/// +typedef union { + struct { + UINT32 OffsetLow:16; ///< Offset bits 15..0. + UINT32 Selector:16; ///< Selector. + UINT32 Reserved_0:8; ///< Reserved. + UINT32 GateType:8; ///< Gate Type. See #defines above. + UINT32 OffsetHigh:16; ///< Offset bits 31..16. + UINT32 OffsetUpper:32; ///< Offset bits 63..32. + UINT32 Reserved_1:32; ///< Reserved. + } Bits; + struct { + UINT64 Uint64; + UINT64 Uint64_1; + } Uint128; +} IA32_IDT_GATE_DESCRIPTOR; + +#pragma pack (1) +// +// IA32 Task-State Segment Definition +// +typedef struct { + UINT32 Reserved_0; + UINT64 RSP0; + UINT64 RSP1; + UINT64 RSP2; + UINT64 Reserved_28; + UINT64 IST[7]; + UINT64 Reserved_92; + UINT16 Reserved_100; + UINT16 IOMapBaseAddress; +} IA32_TASK_STATE_SEGMENT; + +typedef union { + struct { + UINT32 LimitLow:16; ///< Segment Limit 15..00 + UINT32 BaseLow:16; ///< Base Address 15..00 + UINT32 BaseMidl:8; ///< Base Address 23..16 + UINT32 Type:4; ///< Type (1 0 B 1) + UINT32 Reserved_43:1; ///< 0 + UINT32 DPL:2; ///< Descriptor Privilege Level + UINT32 P:1; ///< Segment Present + UINT32 LimitHigh:4; ///< Segment Limit 19..16 + UINT32 AVL:1; ///< Available for use by system software + UINT32 Reserved_52:2; ///< 0 0 + UINT32 G:1; ///< Granularity + UINT32 BaseMidh:8; ///< Base Address 31..24 + UINT32 BaseHigh:32; ///< Base Address 63..32 + UINT32 Reserved_96:32; ///< Reserved + } Bits; + struct { + UINT64 Uint64; + UINT64 Uint64_1; + } Uint128; +} IA32_TSS_DESCRIPTOR; +#pragma pack () + +#endif // defined (MDE_CPU_X64) + +/// +/// Byte packed structure for an FP/SSE/SSE2 context. +/// +typedef struct { + UINT8 Buffer[512]; +} IA32_FX_BUFFER; + +/// +/// Structures for the 16-bit real mode thunks. +/// +typedef struct { + UINT32 Reserved1; + UINT32 Reserved2; + UINT32 Reserved3; + UINT32 Reserved4; + UINT8 BL; + UINT8 BH; + UINT16 Reserved5; + UINT8 DL; + UINT8 DH; + UINT16 Reserved6; + UINT8 CL; + UINT8 CH; + UINT16 Reserved7; + UINT8 AL; + UINT8 AH; + UINT16 Reserved8; +} IA32_BYTE_REGS; + +typedef struct { + UINT16 DI; + UINT16 Reserved1; + UINT16 SI; + UINT16 Reserved2; + UINT16 BP; + UINT16 Reserved3; + UINT16 SP; + UINT16 Reserved4; + UINT16 BX; + UINT16 Reserved5; + UINT16 DX; + UINT16 Reserved6; + UINT16 CX; + UINT16 Reserved7; + UINT16 AX; + UINT16 Reserved8; +} IA32_WORD_REGS; + +typedef struct { + UINT32 EDI; + UINT32 ESI; + UINT32 EBP; + UINT32 ESP; + UINT32 EBX; + UINT32 EDX; + UINT32 ECX; + UINT32 EAX; + UINT16 DS; + UINT16 ES; + UINT16 FS; + UINT16 GS; + IA32_EFLAGS32 EFLAGS; + UINT32 Eip; + UINT16 CS; + UINT16 SS; +} IA32_DWORD_REGS; + +typedef union { + IA32_DWORD_REGS E; + IA32_WORD_REGS X; + IA32_BYTE_REGS H; +} IA32_REGISTER_SET; + +/// +/// Byte packed structure for an 16-bit real mode thunks. +/// +typedef struct { + IA32_REGISTER_SET *RealModeState; + VOID *RealModeBuffer; + UINT32 RealModeBufferSize; + UINT32 ThunkAttributes; +} THUNK_CONTEXT; + +#define THUNK_ATTRIBUTE_BIG_REAL_MODE 0x00000001 +#define THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 0x00000002 +#define THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL 0x00000004 + +/// +/// Type definition for representing labels in NASM source code that allow for +/// the patching of immediate operands of IA32 and X64 instructions. +/// +/// While the type is technically defined as a function type (note: not a +/// pointer-to-function type), such labels in NASM source code never stand for +/// actual functions, and identifiers declared with this function type should +/// never be called. This is also why the EFIAPI calling convention specifier +/// is missing from the typedef, and why the typedef does not follow the usual +/// edk2 coding style for function (or pointer-to-function) typedefs. The VOID +/// return type and the VOID argument list are merely artifacts. +/// +typedef VOID (X86_ASSEMBLY_PATCH_LABEL) (VOID); + +/** + Retrieves CPUID information. + + Executes the CPUID instruction with EAX set to the value specified by Index. + This function always returns Index. + If Eax is not NULL, then the value of EAX after CPUID is returned in Eax. + If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx. + If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx. + If Edx is not NULL, then the value of EDX after CPUID is returned in Edx. + This function is only available on IA-32 and x64. + + @param Index The 32-bit value to load into EAX prior to invoking the CPUID + instruction. + @param Eax The pointer to the 32-bit EAX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + @param Ebx The pointer to the 32-bit EBX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + @param Ecx The pointer to the 32-bit ECX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + @param Edx The pointer to the 32-bit EDX value returned by the CPUID + instruction. This is an optional parameter that may be NULL. + + @return Index. + +**/ +UINT32 +EFIAPI +AsmCpuid ( + IN UINT32 Index, + OUT UINT32 *Eax, OPTIONAL + OUT UINT32 *Ebx, OPTIONAL + OUT UINT32 *Ecx, OPTIONAL + OUT UINT32 *Edx OPTIONAL + ); + + +/** + Retrieves CPUID information using an extended leaf identifier. + + Executes the CPUID instruction with EAX set to the value specified by Index + and ECX set to the value specified by SubIndex. This function always returns + Index. This function is only available on IA-32 and x64. + + If Eax is not NULL, then the value of EAX after CPUID is returned in Eax. + If Ebx is not NULL, then the value of EBX after CPUID is returned in Ebx. + If Ecx is not NULL, then the value of ECX after CPUID is returned in Ecx. + If Edx is not NULL, then the value of EDX after CPUID is returned in Edx. + + @param Index The 32-bit value to load into EAX prior to invoking the + CPUID instruction. + @param SubIndex The 32-bit value to load into ECX prior to invoking the + CPUID instruction. + @param Eax The pointer to the 32-bit EAX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + @param Ebx The pointer to the 32-bit EBX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + @param Ecx The pointer to the 32-bit ECX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + @param Edx The pointer to the 32-bit EDX value returned by the CPUID + instruction. This is an optional parameter that may be + NULL. + + @return Index. + +**/ +UINT32 +EFIAPI +AsmCpuidEx ( + IN UINT32 Index, + IN UINT32 SubIndex, + OUT UINT32 *Eax, OPTIONAL + OUT UINT32 *Ebx, OPTIONAL + OUT UINT32 *Ecx, OPTIONAL + OUT UINT32 *Edx OPTIONAL + ); + + +/** + Set CD bit and clear NW bit of CR0 followed by a WBINVD. + + Disables the caches by setting the CD bit of CR0 to 1, clearing the NW bit of CR0 to 0, + and executing a WBINVD instruction. This function is only available on IA-32 and x64. + +**/ +VOID +EFIAPI +AsmDisableCache ( + VOID + ); + + +/** + Perform a WBINVD and clear both the CD and NW bits of CR0. + + Enables the caches by executing a WBINVD instruction and then clear both the CD and NW + bits of CR0 to 0. This function is only available on IA-32 and x64. + +**/ +VOID +EFIAPI +AsmEnableCache ( + VOID + ); + + +/** + Returns the lower 32-bits of a Machine Specific Register(MSR). + + Reads and returns the lower 32-bits of the MSR specified by Index. + No parameter checking is performed on Index, and some Index values may cause + CPU exceptions. The caller must either guarantee that Index is valid, or the + caller must set up exception handlers to catch the exceptions. This function + is only available on IA-32 and x64. + + @param Index The 32-bit MSR index to read. + + @return The lower 32 bits of the MSR identified by Index. + +**/ +UINT32 +EFIAPI +AsmReadMsr32 ( + IN UINT32 Index + ); + + +/** + Writes a 32-bit value to a Machine Specific Register(MSR), and returns the value. + The upper 32-bits of the MSR are set to zero. + + Writes the 32-bit value specified by Value to the MSR specified by Index. The + upper 32-bits of the MSR write are set to zero. The 32-bit value written to + the MSR is returned. No parameter checking is performed on Index or Value, + and some of these may cause CPU exceptions. The caller must either guarantee + that Index and Value are valid, or the caller must establish proper exception + handlers. This function is only available on IA-32 and x64. + + @param Index The 32-bit MSR index to write. + @param Value The 32-bit value to write to the MSR. + + @return Value + +**/ +UINT32 +EFIAPI +AsmWriteMsr32 ( + IN UINT32 Index, + IN UINT32 Value + ); + + +/** + Reads a 64-bit MSR, performs a bitwise OR on the lower 32-bits, and + writes the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise OR + between the lower 32-bits of the read result and the value specified by + OrData, and writes the result to the 64-bit MSR specified by Index. The lower + 32-bits of the value written to the MSR is returned. No parameter checking is + performed on Index or OrData, and some of these may cause CPU exceptions. The + caller must either guarantee that Index and OrData are valid, or the caller + must establish proper exception handlers. This function is only available on + IA-32 and x64. + + @param Index The 32-bit MSR index to write. + @param OrData The value to OR with the read value from the MSR. + + @return The lower 32-bit value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrOr32 ( + IN UINT32 Index, + IN UINT32 OrData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND on the lower 32-bits, and writes + the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + lower 32-bits of the read result and the value specified by AndData, and + writes the result to the 64-bit MSR specified by Index. The lower 32-bits of + the value written to the MSR is returned. No parameter checking is performed + on Index or AndData, and some of these may cause CPU exceptions. The caller + must either guarantee that Index and AndData are valid, or the caller must + establish proper exception handlers. This function is only available on IA-32 + and x64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + + @return The lower 32-bit value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrAnd32 ( + IN UINT32 Index, + IN UINT32 AndData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise OR + on the lower 32-bits, and writes the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + lower 32-bits of the read result and the value specified by AndData + preserving the upper 32-bits, performs a bitwise OR between the + result of the AND operation and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Address. The lower 32-bits of the value + written to the MSR is returned. No parameter checking is performed on Index, + AndData, or OrData, and some of these may cause CPU exceptions. The caller + must either guarantee that Index, AndData, and OrData are valid, or the + caller must establish proper exception handlers. This function is only + available on IA-32 and x64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + @param OrData The value to OR with the result of the AND operation. + + @return The lower 32-bit value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrAndThenOr32 ( + IN UINT32 Index, + IN UINT32 AndData, + IN UINT32 OrData + ); + + +/** + Reads a bit field of an MSR. + + Reads the bit field in the lower 32-bits of a 64-bit MSR. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. The caller must either guarantee that Index is valid, or the caller + must set up exception handlers to catch the exceptions. This function is only + available on IA-32 and x64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The bit field read from the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldRead32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to an MSR. + + Writes Value to a bit field in the lower 32-bits of a 64-bit MSR. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination MSR are preserved. The lower 32-bits of the MSR written is + returned. The caller must either guarantee that Index and the data written + is valid, or the caller must set up exception handlers to catch the exceptions. + This function is only available on IA-32 and x64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldWrite32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise OR, and writes the + result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Index. The lower 32-bits of the value + written to the MSR are returned. Extra left bits in OrData are stripped. The + caller must either guarantee that Index and the data written is valid, or + the caller must set up exception handlers to catch the exceptions. This + function is only available on IA-32 and x64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the read value from the MSR. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldOr32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the + result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + read result and the value specified by AndData, and writes the result to the + 64-bit MSR specified by Index. The lower 32-bits of the value written to the + MSR are returned. Extra left bits in AndData are stripped. The caller must + either guarantee that Index and the data written is valid, or the caller must + set up exception handlers to catch the exceptions. This function is only + available on IA-32 and x64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the MSR. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldAnd32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by a + bitwise OR between the read result and the value specified by + AndData, and writes the result to the 64-bit MSR specified by Index. The + lower 32-bits of the value written to the MSR are returned. Extra left bits + in both AndData and OrData are stripped. The caller must either guarantee + that Index and the data written is valid, or the caller must set up exception + handlers to catch the exceptions. This function is only available on IA-32 + and x64. + + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the MSR. + @param OrData The value to OR with the result of the AND operation. + + @return The lower 32-bit of the value written to the MSR. + +**/ +UINT32 +EFIAPI +AsmMsrBitFieldAndThenOr32 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + + +/** + Returns a 64-bit Machine Specific Register(MSR). + + Reads and returns the 64-bit MSR specified by Index. No parameter checking is + performed on Index, and some Index values may cause CPU exceptions. The + caller must either guarantee that Index is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and x64. + + @param Index The 32-bit MSR index to read. + + @return The value of the MSR identified by Index. + +**/ +UINT64 +EFIAPI +AsmReadMsr64 ( + IN UINT32 Index + ); + + +/** + Writes a 64-bit value to a Machine Specific Register(MSR), and returns the + value. + + Writes the 64-bit value specified by Value to the MSR specified by Index. The + 64-bit value written to the MSR is returned. No parameter checking is + performed on Index or Value, and some of these may cause CPU exceptions. The + caller must either guarantee that Index and Value are valid, or the caller + must establish proper exception handlers. This function is only available on + IA-32 and x64. + + @param Index The 32-bit MSR index to write. + @param Value The 64-bit value to write to the MSR. + + @return Value + +**/ +UINT64 +EFIAPI +AsmWriteMsr64 ( + IN UINT32 Index, + IN UINT64 Value + ); + + +/** + Reads a 64-bit MSR, performs a bitwise OR, and writes the result + back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Index. The value written to the MSR is + returned. No parameter checking is performed on Index or OrData, and some of + these may cause CPU exceptions. The caller must either guarantee that Index + and OrData are valid, or the caller must establish proper exception handlers. + This function is only available on IA-32 and x64. + + @param Index The 32-bit MSR index to write. + @param OrData The value to OR with the read value from the MSR. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrOr64 ( + IN UINT32 Index, + IN UINT64 OrData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND, and writes the result back to the + 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + read result and the value specified by OrData, and writes the result to the + 64-bit MSR specified by Index. The value written to the MSR is returned. No + parameter checking is performed on Index or OrData, and some of these may + cause CPU exceptions. The caller must either guarantee that Index and OrData + are valid, or the caller must establish proper exception handlers. This + function is only available on IA-32 and x64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrAnd64 ( + IN UINT32 Index, + IN UINT64 AndData + ); + + +/** + Reads a 64-bit MSR, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between read + result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 64-bit MSR specified by Index. The value written + to the MSR is returned. No parameter checking is performed on Index, AndData, + or OrData, and some of these may cause CPU exceptions. The caller must either + guarantee that Index, AndData, and OrData are valid, or the caller must + establish proper exception handlers. This function is only available on IA-32 + and x64. + + @param Index The 32-bit MSR index to write. + @param AndData The value to AND with the read value from the MSR. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrAndThenOr64 ( + IN UINT32 Index, + IN UINT64 AndData, + IN UINT64 OrData + ); + + +/** + Reads a bit field of an MSR. + + Reads the bit field in the 64-bit MSR. The bit field is specified by the + StartBit and the EndBit. The value of the bit field is returned. The caller + must either guarantee that Index is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and x64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Index The 32-bit MSR index to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read from the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldRead64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit + ); + + +/** + Writes a bit field to an MSR. + + Writes Value to a bit field in a 64-bit MSR. The bit field is specified by + the StartBit and the EndBit. All other bits in the destination MSR are + preserved. The MSR written is returned. The caller must either guarantee + that Index and the data written is valid, or the caller must set up exception + handlers to catch the exceptions. This function is only available on IA-32 and x64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldWrite64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise OR, and + writes the result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit MSR specified by Index. The value written to the MSR is + returned. Extra left bits in OrData are stripped. The caller must either + guarantee that Index and the data written is valid, or the caller must set up + exception handlers to catch the exceptions. This function is only available + on IA-32 and x64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with the read value from the bit field. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldOr64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND, and writes the + result back to the bit field in the 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND between the + read result and the value specified by AndData, and writes the result to the + 64-bit MSR specified by Index. The value written to the MSR is returned. + Extra left bits in AndData are stripped. The caller must either guarantee + that Index and the data written is valid, or the caller must set up exception + handlers to catch the exceptions. This function is only available on IA-32 + and x64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the bit field. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldAnd64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + + +/** + Reads a bit field in a 64-bit MSR, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 64-bit MSR. + + Reads the 64-bit MSR specified by Index, performs a bitwise AND followed by + a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 64-bit MSR specified by Index. The + value written to the MSR is returned. Extra left bits in both AndData and + OrData are stripped. The caller must either guarantee that Index and the data + written is valid, or the caller must set up exception handlers to catch the + exceptions. This function is only available on IA-32 and x64. + + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Index The 32-bit MSR index to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the bit field. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MSR. + +**/ +UINT64 +EFIAPI +AsmMsrBitFieldAndThenOr64 ( + IN UINT32 Index, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + + +/** + Reads the current value of the EFLAGS register. + + Reads and returns the current value of the EFLAGS register. This function is + only available on IA-32 and x64. This returns a 32-bit value on IA-32 and a + 64-bit value on x64. + + @return EFLAGS on IA-32 or RFLAGS on x64. + +**/ +UINTN +EFIAPI +AsmReadEflags ( + VOID + ); + + +/** + Reads the current value of the Control Register 0 (CR0). + + Reads and returns the current value of CR0. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of the Control Register 0 (CR0). + +**/ +UINTN +EFIAPI +AsmReadCr0 ( + VOID + ); + + +/** + Reads the current value of the Control Register 2 (CR2). + + Reads and returns the current value of CR2. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of the Control Register 2 (CR2). + +**/ +UINTN +EFIAPI +AsmReadCr2 ( + VOID + ); + + +/** + Reads the current value of the Control Register 3 (CR3). + + Reads and returns the current value of CR3. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of the Control Register 3 (CR3). + +**/ +UINTN +EFIAPI +AsmReadCr3 ( + VOID + ); + + +/** + Reads the current value of the Control Register 4 (CR4). + + Reads and returns the current value of CR4. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of the Control Register 4 (CR4). + +**/ +UINTN +EFIAPI +AsmReadCr4 ( + VOID + ); + + +/** + Writes a value to Control Register 0 (CR0). + + Writes and returns a new value to CR0. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Cr0 The value to write to CR0. + + @return The value written to CR0. + +**/ +UINTN +EFIAPI +AsmWriteCr0 ( + UINTN Cr0 + ); + + +/** + Writes a value to Control Register 2 (CR2). + + Writes and returns a new value to CR2. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Cr2 The value to write to CR2. + + @return The value written to CR2. + +**/ +UINTN +EFIAPI +AsmWriteCr2 ( + UINTN Cr2 + ); + + +/** + Writes a value to Control Register 3 (CR3). + + Writes and returns a new value to CR3. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Cr3 The value to write to CR3. + + @return The value written to CR3. + +**/ +UINTN +EFIAPI +AsmWriteCr3 ( + UINTN Cr3 + ); + + +/** + Writes a value to Control Register 4 (CR4). + + Writes and returns a new value to CR4. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Cr4 The value to write to CR4. + + @return The value written to CR4. + +**/ +UINTN +EFIAPI +AsmWriteCr4 ( + UINTN Cr4 + ); + + +/** + Reads the current value of Debug Register 0 (DR0). + + Reads and returns the current value of DR0. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 0 (DR0). + +**/ +UINTN +EFIAPI +AsmReadDr0 ( + VOID + ); + + +/** + Reads the current value of Debug Register 1 (DR1). + + Reads and returns the current value of DR1. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 1 (DR1). + +**/ +UINTN +EFIAPI +AsmReadDr1 ( + VOID + ); + + +/** + Reads the current value of Debug Register 2 (DR2). + + Reads and returns the current value of DR2. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 2 (DR2). + +**/ +UINTN +EFIAPI +AsmReadDr2 ( + VOID + ); + + +/** + Reads the current value of Debug Register 3 (DR3). + + Reads and returns the current value of DR3. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 3 (DR3). + +**/ +UINTN +EFIAPI +AsmReadDr3 ( + VOID + ); + + +/** + Reads the current value of Debug Register 4 (DR4). + + Reads and returns the current value of DR4. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 4 (DR4). + +**/ +UINTN +EFIAPI +AsmReadDr4 ( + VOID + ); + + +/** + Reads the current value of Debug Register 5 (DR5). + + Reads and returns the current value of DR5. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 5 (DR5). + +**/ +UINTN +EFIAPI +AsmReadDr5 ( + VOID + ); + + +/** + Reads the current value of Debug Register 6 (DR6). + + Reads and returns the current value of DR6. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 6 (DR6). + +**/ +UINTN +EFIAPI +AsmReadDr6 ( + VOID + ); + + +/** + Reads the current value of Debug Register 7 (DR7). + + Reads and returns the current value of DR7. This function is only available + on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on + x64. + + @return The value of Debug Register 7 (DR7). + +**/ +UINTN +EFIAPI +AsmReadDr7 ( + VOID + ); + + +/** + Writes a value to Debug Register 0 (DR0). + + Writes and returns a new value to DR0. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr0 The value to write to Dr0. + + @return The value written to Debug Register 0 (DR0). + +**/ +UINTN +EFIAPI +AsmWriteDr0 ( + UINTN Dr0 + ); + + +/** + Writes a value to Debug Register 1 (DR1). + + Writes and returns a new value to DR1. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr1 The value to write to Dr1. + + @return The value written to Debug Register 1 (DR1). + +**/ +UINTN +EFIAPI +AsmWriteDr1 ( + UINTN Dr1 + ); + + +/** + Writes a value to Debug Register 2 (DR2). + + Writes and returns a new value to DR2. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr2 The value to write to Dr2. + + @return The value written to Debug Register 2 (DR2). + +**/ +UINTN +EFIAPI +AsmWriteDr2 ( + UINTN Dr2 + ); + + +/** + Writes a value to Debug Register 3 (DR3). + + Writes and returns a new value to DR3. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr3 The value to write to Dr3. + + @return The value written to Debug Register 3 (DR3). + +**/ +UINTN +EFIAPI +AsmWriteDr3 ( + UINTN Dr3 + ); + + +/** + Writes a value to Debug Register 4 (DR4). + + Writes and returns a new value to DR4. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr4 The value to write to Dr4. + + @return The value written to Debug Register 4 (DR4). + +**/ +UINTN +EFIAPI +AsmWriteDr4 ( + UINTN Dr4 + ); + + +/** + Writes a value to Debug Register 5 (DR5). + + Writes and returns a new value to DR5. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr5 The value to write to Dr5. + + @return The value written to Debug Register 5 (DR5). + +**/ +UINTN +EFIAPI +AsmWriteDr5 ( + UINTN Dr5 + ); + + +/** + Writes a value to Debug Register 6 (DR6). + + Writes and returns a new value to DR6. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr6 The value to write to Dr6. + + @return The value written to Debug Register 6 (DR6). + +**/ +UINTN +EFIAPI +AsmWriteDr6 ( + UINTN Dr6 + ); + + +/** + Writes a value to Debug Register 7 (DR7). + + Writes and returns a new value to DR7. This function is only available on + IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64. + + @param Dr7 The value to write to Dr7. + + @return The value written to Debug Register 7 (DR7). + +**/ +UINTN +EFIAPI +AsmWriteDr7 ( + UINTN Dr7 + ); + + +/** + Reads the current value of Code Segment Register (CS). + + Reads and returns the current value of CS. This function is only available on + IA-32 and x64. + + @return The current value of CS. + +**/ +UINT16 +EFIAPI +AsmReadCs ( + VOID + ); + + +/** + Reads the current value of Data Segment Register (DS). + + Reads and returns the current value of DS. This function is only available on + IA-32 and x64. + + @return The current value of DS. + +**/ +UINT16 +EFIAPI +AsmReadDs ( + VOID + ); + + +/** + Reads the current value of Extra Segment Register (ES). + + Reads and returns the current value of ES. This function is only available on + IA-32 and x64. + + @return The current value of ES. + +**/ +UINT16 +EFIAPI +AsmReadEs ( + VOID + ); + + +/** + Reads the current value of FS Data Segment Register (FS). + + Reads and returns the current value of FS. This function is only available on + IA-32 and x64. + + @return The current value of FS. + +**/ +UINT16 +EFIAPI +AsmReadFs ( + VOID + ); + + +/** + Reads the current value of GS Data Segment Register (GS). + + Reads and returns the current value of GS. This function is only available on + IA-32 and x64. + + @return The current value of GS. + +**/ +UINT16 +EFIAPI +AsmReadGs ( + VOID + ); + + +/** + Reads the current value of Stack Segment Register (SS). + + Reads and returns the current value of SS. This function is only available on + IA-32 and x64. + + @return The current value of SS. + +**/ +UINT16 +EFIAPI +AsmReadSs ( + VOID + ); + + +/** + Reads the current value of Task Register (TR). + + Reads and returns the current value of TR. This function is only available on + IA-32 and x64. + + @return The current value of TR. + +**/ +UINT16 +EFIAPI +AsmReadTr ( + VOID + ); + + +/** + Reads the current Global Descriptor Table Register(GDTR) descriptor. + + Reads and returns the current GDTR descriptor and returns it in Gdtr. This + function is only available on IA-32 and x64. + + If Gdtr is NULL, then ASSERT(). + + @param Gdtr The pointer to a GDTR descriptor. + +**/ +VOID +EFIAPI +AsmReadGdtr ( + OUT IA32_DESCRIPTOR *Gdtr + ); + + +/** + Writes the current Global Descriptor Table Register (GDTR) descriptor. + + Writes and the current GDTR descriptor specified by Gdtr. This function is + only available on IA-32 and x64. + + If Gdtr is NULL, then ASSERT(). + + @param Gdtr The pointer to a GDTR descriptor. + +**/ +VOID +EFIAPI +AsmWriteGdtr ( + IN CONST IA32_DESCRIPTOR *Gdtr + ); + + +/** + Reads the current Interrupt Descriptor Table Register(IDTR) descriptor. + + Reads and returns the current IDTR descriptor and returns it in Idtr. This + function is only available on IA-32 and x64. + + If Idtr is NULL, then ASSERT(). + + @param Idtr The pointer to a IDTR descriptor. + +**/ +VOID +EFIAPI +AsmReadIdtr ( + OUT IA32_DESCRIPTOR *Idtr + ); + + +/** + Writes the current Interrupt Descriptor Table Register(IDTR) descriptor. + + Writes the current IDTR descriptor and returns it in Idtr. This function is + only available on IA-32 and x64. + + If Idtr is NULL, then ASSERT(). + + @param Idtr The pointer to a IDTR descriptor. + +**/ +VOID +EFIAPI +AsmWriteIdtr ( + IN CONST IA32_DESCRIPTOR *Idtr + ); + + +/** + Reads the current Local Descriptor Table Register(LDTR) selector. + + Reads and returns the current 16-bit LDTR descriptor value. This function is + only available on IA-32 and x64. + + @return The current selector of LDT. + +**/ +UINT16 +EFIAPI +AsmReadLdtr ( + VOID + ); + + +/** + Writes the current Local Descriptor Table Register (LDTR) selector. + + Writes and the current LDTR descriptor specified by Ldtr. This function is + only available on IA-32 and x64. + + @param Ldtr 16-bit LDTR selector value. + +**/ +VOID +EFIAPI +AsmWriteLdtr ( + IN UINT16 Ldtr + ); + + +/** + Save the current floating point/SSE/SSE2 context to a buffer. + + Saves the current floating point/SSE/SSE2 state to the buffer specified by + Buffer. Buffer must be aligned on a 16-byte boundary. This function is only + available on IA-32 and x64. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-byte boundary, then ASSERT(). + + @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context. + +**/ +VOID +EFIAPI +AsmFxSave ( + OUT IA32_FX_BUFFER *Buffer + ); + + +/** + Restores the current floating point/SSE/SSE2 context from a buffer. + + Restores the current floating point/SSE/SSE2 state from the buffer specified + by Buffer. Buffer must be aligned on a 16-byte boundary. This function is + only available on IA-32 and x64. + + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-byte boundary, then ASSERT(). + If Buffer was not saved with AsmFxSave(), then ASSERT(). + + @param Buffer The pointer to a buffer to save the floating point/SSE/SSE2 context. + +**/ +VOID +EFIAPI +AsmFxRestore ( + IN CONST IA32_FX_BUFFER *Buffer + ); + + +/** + Reads the current value of 64-bit MMX Register #0 (MM0). + + Reads and returns the current value of MM0. This function is only available + on IA-32 and x64. + + @return The current value of MM0. + +**/ +UINT64 +EFIAPI +AsmReadMm0 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #1 (MM1). + + Reads and returns the current value of MM1. This function is only available + on IA-32 and x64. + + @return The current value of MM1. + +**/ +UINT64 +EFIAPI +AsmReadMm1 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #2 (MM2). + + Reads and returns the current value of MM2. This function is only available + on IA-32 and x64. + + @return The current value of MM2. + +**/ +UINT64 +EFIAPI +AsmReadMm2 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #3 (MM3). + + Reads and returns the current value of MM3. This function is only available + on IA-32 and x64. + + @return The current value of MM3. + +**/ +UINT64 +EFIAPI +AsmReadMm3 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #4 (MM4). + + Reads and returns the current value of MM4. This function is only available + on IA-32 and x64. + + @return The current value of MM4. + +**/ +UINT64 +EFIAPI +AsmReadMm4 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #5 (MM5). + + Reads and returns the current value of MM5. This function is only available + on IA-32 and x64. + + @return The current value of MM5. + +**/ +UINT64 +EFIAPI +AsmReadMm5 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #6 (MM6). + + Reads and returns the current value of MM6. This function is only available + on IA-32 and x64. + + @return The current value of MM6. + +**/ +UINT64 +EFIAPI +AsmReadMm6 ( + VOID + ); + + +/** + Reads the current value of 64-bit MMX Register #7 (MM7). + + Reads and returns the current value of MM7. This function is only available + on IA-32 and x64. + + @return The current value of MM7. + +**/ +UINT64 +EFIAPI +AsmReadMm7 ( + VOID + ); + + +/** + Writes the current value of 64-bit MMX Register #0 (MM0). + + Writes the current value of MM0. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM0. + +**/ +VOID +EFIAPI +AsmWriteMm0 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #1 (MM1). + + Writes the current value of MM1. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM1. + +**/ +VOID +EFIAPI +AsmWriteMm1 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #2 (MM2). + + Writes the current value of MM2. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM2. + +**/ +VOID +EFIAPI +AsmWriteMm2 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #3 (MM3). + + Writes the current value of MM3. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM3. + +**/ +VOID +EFIAPI +AsmWriteMm3 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #4 (MM4). + + Writes the current value of MM4. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM4. + +**/ +VOID +EFIAPI +AsmWriteMm4 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #5 (MM5). + + Writes the current value of MM5. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM5. + +**/ +VOID +EFIAPI +AsmWriteMm5 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #6 (MM6). + + Writes the current value of MM6. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM6. + +**/ +VOID +EFIAPI +AsmWriteMm6 ( + IN UINT64 Value + ); + + +/** + Writes the current value of 64-bit MMX Register #7 (MM7). + + Writes the current value of MM7. This function is only available on IA32 and + x64. + + @param Value The 64-bit value to write to MM7. + +**/ +VOID +EFIAPI +AsmWriteMm7 ( + IN UINT64 Value + ); + + +/** + Reads the current value of Time Stamp Counter (TSC). + + Reads and returns the current value of TSC. This function is only available + on IA-32 and x64. + + @return The current value of TSC + +**/ +UINT64 +EFIAPI +AsmReadTsc ( + VOID + ); + + +/** + Reads the current value of a Performance Counter (PMC). + + Reads and returns the current value of performance counter specified by + Index. This function is only available on IA-32 and x64. + + @param Index The 32-bit Performance Counter index to read. + + @return The value of the PMC specified by Index. + +**/ +UINT64 +EFIAPI +AsmReadPmc ( + IN UINT32 Index + ); + + +/** + Sets up a monitor buffer that is used by AsmMwait(). + + Executes a MONITOR instruction with the register state specified by Eax, Ecx + and Edx. Returns Eax. This function is only available on IA-32 and x64. + + @param Eax The value to load into EAX or RAX before executing the MONITOR + instruction. + @param Ecx The value to load into ECX or RCX before executing the MONITOR + instruction. + @param Edx The value to load into EDX or RDX before executing the MONITOR + instruction. + + @return Eax + +**/ +UINTN +EFIAPI +AsmMonitor ( + IN UINTN Eax, + IN UINTN Ecx, + IN UINTN Edx + ); + + +/** + Executes an MWAIT instruction. + + Executes an MWAIT instruction with the register state specified by Eax and + Ecx. Returns Eax. This function is only available on IA-32 and x64. + + @param Eax The value to load into EAX or RAX before executing the MONITOR + instruction. + @param Ecx The value to load into ECX or RCX before executing the MONITOR + instruction. + + @return Eax + +**/ +UINTN +EFIAPI +AsmMwait ( + IN UINTN Eax, + IN UINTN Ecx + ); + + +/** + Executes a WBINVD instruction. + + Executes a WBINVD instruction. This function is only available on IA-32 and + x64. + +**/ +VOID +EFIAPI +AsmWbinvd ( + VOID + ); + + +/** + Executes a INVD instruction. + + Executes a INVD instruction. This function is only available on IA-32 and + x64. + +**/ +VOID +EFIAPI +AsmInvd ( + VOID + ); + + +/** + Flushes a cache line from all the instruction and data caches within the + coherency domain of the CPU. + + Flushed the cache line specified by LinearAddress, and returns LinearAddress. + This function is only available on IA-32 and x64. + + @param LinearAddress The address of the cache line to flush. If the CPU is + in a physical addressing mode, then LinearAddress is a + physical address. If the CPU is in a virtual + addressing mode, then LinearAddress is a virtual + address. + + @return LinearAddress. +**/ +VOID * +EFIAPI +AsmFlushCacheLine ( + IN VOID *LinearAddress + ); + + +/** + Enables the 32-bit paging mode on the CPU. + + Enables the 32-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables + must be properly initialized prior to calling this service. This function + assumes the current execution mode is 32-bit protected mode. This function is + only available on IA-32. After the 32-bit paging mode is enabled, control is + transferred to the function specified by EntryPoint using the new stack + specified by NewStack and passing in the parameters specified by Context1 and + Context2. Context1 and Context2 are optional and may be NULL. The function + EntryPoint must never return. + + If the current execution mode is not 32-bit protected mode, then ASSERT(). + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + There are a number of constraints that must be followed before calling this + function: + 1) Interrupts must be disabled. + 2) The caller must be in 32-bit protected mode with flat descriptors. This + means all descriptors must have a base of 0 and a limit of 4GB. + 3) CR0 and CR4 must be compatible with 32-bit protected mode with flat + descriptors. + 4) CR3 must point to valid page tables that will be used once the transition + is complete, and those page tables must guarantee that the pages for this + function and the stack are identity mapped. + + @param EntryPoint A pointer to function to call with the new stack after + paging is enabled. + @param Context1 A pointer to the context to pass into the EntryPoint + function as the first parameter after paging is enabled. + @param Context2 A pointer to the context to pass into the EntryPoint + function as the second parameter after paging is enabled. + @param NewStack A pointer to the new stack to use for the EntryPoint + function after paging is enabled. + +**/ +VOID +EFIAPI +AsmEnablePaging32 ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack + ); + + +/** + Disables the 32-bit paging mode on the CPU. + + Disables the 32-bit paging mode on the CPU and returns to 32-bit protected + mode. This function assumes the current execution mode is 32-paged protected + mode. This function is only available on IA-32. After the 32-bit paging mode + is disabled, control is transferred to the function specified by EntryPoint + using the new stack specified by NewStack and passing in the parameters + specified by Context1 and Context2. Context1 and Context2 are optional and + may be NULL. The function EntryPoint must never return. + + If the current execution mode is not 32-bit paged mode, then ASSERT(). + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + There are a number of constraints that must be followed before calling this + function: + 1) Interrupts must be disabled. + 2) The caller must be in 32-bit paged mode. + 3) CR0, CR3, and CR4 must be compatible with 32-bit paged mode. + 4) CR3 must point to valid page tables that guarantee that the pages for + this function and the stack are identity mapped. + + @param EntryPoint A pointer to function to call with the new stack after + paging is disabled. + @param Context1 A pointer to the context to pass into the EntryPoint + function as the first parameter after paging is disabled. + @param Context2 A pointer to the context to pass into the EntryPoint + function as the second parameter after paging is + disabled. + @param NewStack A pointer to the new stack to use for the EntryPoint + function after paging is disabled. + +**/ +VOID +EFIAPI +AsmDisablePaging32 ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *NewStack + ); + + +/** + Enables the 64-bit paging mode on the CPU. + + Enables the 64-bit paging mode on the CPU. CR0, CR3, CR4, and the page tables + must be properly initialized prior to calling this service. This function + assumes the current execution mode is 32-bit protected mode with flat + descriptors. This function is only available on IA-32. After the 64-bit + paging mode is enabled, control is transferred to the function specified by + EntryPoint using the new stack specified by NewStack and passing in the + parameters specified by Context1 and Context2. Context1 and Context2 are + optional and may be 0. The function EntryPoint must never return. + + If the current execution mode is not 32-bit protected mode with flat + descriptors, then ASSERT(). + If EntryPoint is 0, then ASSERT(). + If NewStack is 0, then ASSERT(). + + @param Cs The 16-bit selector to load in the CS before EntryPoint + is called. The descriptor in the GDT that this selector + references must be setup for long mode. + @param EntryPoint The 64-bit virtual address of the function to call with + the new stack after paging is enabled. + @param Context1 The 64-bit virtual address of the context to pass into + the EntryPoint function as the first parameter after + paging is enabled. + @param Context2 The 64-bit virtual address of the context to pass into + the EntryPoint function as the second parameter after + paging is enabled. + @param NewStack The 64-bit virtual address of the new stack to use for + the EntryPoint function after paging is enabled. + +**/ +VOID +EFIAPI +AsmEnablePaging64 ( + IN UINT16 Cs, + IN UINT64 EntryPoint, + IN UINT64 Context1, OPTIONAL + IN UINT64 Context2, OPTIONAL + IN UINT64 NewStack + ); + + +/** + Disables the 64-bit paging mode on the CPU. + + Disables the 64-bit paging mode on the CPU and returns to 32-bit protected + mode. This function assumes the current execution mode is 64-paging mode. + This function is only available on x64. After the 64-bit paging mode is + disabled, control is transferred to the function specified by EntryPoint + using the new stack specified by NewStack and passing in the parameters + specified by Context1 and Context2. Context1 and Context2 are optional and + may be 0. The function EntryPoint must never return. + + If the current execution mode is not 64-bit paged mode, then ASSERT(). + If EntryPoint is 0, then ASSERT(). + If NewStack is 0, then ASSERT(). + + @param Cs The 16-bit selector to load in the CS before EntryPoint + is called. The descriptor in the GDT that this selector + references must be setup for 32-bit protected mode. + @param EntryPoint The 64-bit virtual address of the function to call with + the new stack after paging is disabled. + @param Context1 The 64-bit virtual address of the context to pass into + the EntryPoint function as the first parameter after + paging is disabled. + @param Context2 The 64-bit virtual address of the context to pass into + the EntryPoint function as the second parameter after + paging is disabled. + @param NewStack The 64-bit virtual address of the new stack to use for + the EntryPoint function after paging is disabled. + +**/ +VOID +EFIAPI +AsmDisablePaging64 ( + IN UINT16 Cs, + IN UINT32 EntryPoint, + IN UINT32 Context1, OPTIONAL + IN UINT32 Context2, OPTIONAL + IN UINT32 NewStack + ); + + +// +// 16-bit thunking services +// + +/** + Retrieves the properties for 16-bit thunk functions. + + Computes the size of the buffer and stack below 1MB required to use the + AsmPrepareThunk16(), AsmThunk16() and AsmPrepareAndThunk16() functions. This + buffer size is returned in RealModeBufferSize, and the stack size is returned + in ExtraStackSize. If parameters are passed to the 16-bit real mode code, + then the actual minimum stack size is ExtraStackSize plus the maximum number + of bytes that need to be passed to the 16-bit real mode code. + + If RealModeBufferSize is NULL, then ASSERT(). + If ExtraStackSize is NULL, then ASSERT(). + + @param RealModeBufferSize A pointer to the size of the buffer below 1MB + required to use the 16-bit thunk functions. + @param ExtraStackSize A pointer to the extra size of stack below 1MB + that the 16-bit thunk functions require for + temporary storage in the transition to and from + 16-bit real mode. + +**/ +VOID +EFIAPI +AsmGetThunk16Properties ( + OUT UINT32 *RealModeBufferSize, + OUT UINT32 *ExtraStackSize + ); + + +/** + Prepares all structures a code required to use AsmThunk16(). + + Prepares all structures and code required to use AsmThunk16(). + + This interface is limited to be used in either physical mode or virtual modes with paging enabled where the + virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1. + + If ThunkContext is NULL, then ASSERT(). + + @param ThunkContext A pointer to the context structure that describes the + 16-bit real mode code to call. + +**/ +VOID +EFIAPI +AsmPrepareThunk16 ( + IN OUT THUNK_CONTEXT *ThunkContext + ); + + +/** + Transfers control to a 16-bit real mode entry point and returns the results. + + Transfers control to a 16-bit real mode entry point and returns the results. + AsmPrepareThunk16() must be called with ThunkContext before this function is used. + This function must be called with interrupts disabled. + + The register state from the RealModeState field of ThunkContext is restored just prior + to calling the 16-bit real mode entry point. This includes the EFLAGS field of RealModeState, + which is used to set the interrupt state when a 16-bit real mode entry point is called. + Control is transferred to the 16-bit real mode entry point specified by the CS and Eip fields of RealModeState. + The stack is initialized to the SS and ESP fields of RealModeState. Any parameters passed to + the 16-bit real mode code must be populated by the caller at SS:ESP prior to calling this function. + The 16-bit real mode entry point is invoked with a 16-bit CALL FAR instruction, + so when accessing stack contents, the 16-bit real mode code must account for the 16-bit segment + and 16-bit offset of the return address that were pushed onto the stack. The 16-bit real mode entry + point must exit with a RETF instruction. The register state is captured into RealModeState immediately + after the RETF instruction is executed. + + If EFLAGS specifies interrupts enabled, or any of the 16-bit real mode code enables interrupts, + or any of the 16-bit real mode code makes a SW interrupt, then the caller is responsible for making sure + the IDT at address 0 is initialized to handle any HW or SW interrupts that may occur while in 16-bit real mode. + + If EFLAGS specifies interrupts enabled, or any of the 16-bit real mode code enables interrupts, + then the caller is responsible for making sure the 8259 PIC is in a state compatible with 16-bit real mode. + This includes the base vectors, the interrupt masks, and the edge/level trigger mode. + + If THUNK_ATTRIBUTE_BIG_REAL_MODE is set in the ThunkAttributes field of ThunkContext, then the user code + is invoked in big real mode. Otherwise, the user code is invoked in 16-bit real mode with 64KB segment limits. + + If neither THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 nor THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in + ThunkAttributes, then it is assumed that the user code did not enable the A20 mask, and no attempt is made to + disable the A20 mask. + + If THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 is set and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL is clear in + ThunkAttributes, then attempt to use the INT 15 service to disable the A20 mask. If this INT 15 call fails, + then attempt to disable the A20 mask by directly accessing the 8042 keyboard controller I/O ports. + + If THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 is clear and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL is set in + ThunkAttributes, then attempt to disable the A20 mask by directly accessing the 8042 keyboard controller I/O ports. + + If ThunkContext is NULL, then ASSERT(). + If AsmPrepareThunk16() was not previously called with ThunkContext, then ASSERT(). + If both THUNK_ATTRIBUTE_DISABLE_A20_MASK_INT_15 and THUNK_ATTRIBUTE_DISABLE_A20_MASK_KBD_CTRL are set in + ThunkAttributes, then ASSERT(). + + This interface is limited to be used in either physical mode or virtual modes with paging enabled where the + virtual to physical mappings for ThunkContext.RealModeBuffer are mapped 1:1. + + @param ThunkContext A pointer to the context structure that describes the + 16-bit real mode code to call. + +**/ +VOID +EFIAPI +AsmThunk16 ( + IN OUT THUNK_CONTEXT *ThunkContext + ); + + +/** + Prepares all structures and code for a 16-bit real mode thunk, transfers + control to a 16-bit real mode entry point, and returns the results. + + Prepares all structures and code for a 16-bit real mode thunk, transfers + control to a 16-bit real mode entry point, and returns the results. If the + caller only need to perform a single 16-bit real mode thunk, then this + service should be used. If the caller intends to make more than one 16-bit + real mode thunk, then it is more efficient if AsmPrepareThunk16() is called + once and AsmThunk16() can be called for each 16-bit real mode thunk. + + This interface is limited to be used in either physical mode or virtual modes with paging enabled where the + virtual to physical mappings for ThunkContext.RealModeBuffer is mapped 1:1. + + See AsmPrepareThunk16() and AsmThunk16() for the detailed description and ASSERT() conditions. + + @param ThunkContext A pointer to the context structure that describes the + 16-bit real mode code to call. + +**/ +VOID +EFIAPI +AsmPrepareAndThunk16 ( + IN OUT THUNK_CONTEXT *ThunkContext + ); + +/** + Generates a 16-bit random number through RDRAND instruction. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the random result. + + @retval TRUE RDRAND call was successful. + @retval FALSE Failed attempts to call RDRAND. + + **/ +BOOLEAN +EFIAPI +AsmRdRand16 ( + OUT UINT16 *Rand + ); + +/** + Generates a 32-bit random number through RDRAND instruction. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the random result. + + @retval TRUE RDRAND call was successful. + @retval FALSE Failed attempts to call RDRAND. + +**/ +BOOLEAN +EFIAPI +AsmRdRand32 ( + OUT UINT32 *Rand + ); + +/** + Generates a 64-bit random number through RDRAND instruction. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the random result. + + @retval TRUE RDRAND call was successful. + @retval FALSE Failed attempts to call RDRAND. + +**/ +BOOLEAN +EFIAPI +AsmRdRand64 ( + OUT UINT64 *Rand + ); + +/** + Load given selector into TR register. + + @param[in] Selector Task segment selector +**/ +VOID +EFIAPI +AsmWriteTr ( + IN UINT16 Selector + ); + +/** + Performs a serializing operation on all load-from-memory instructions that + were issued prior the AsmLfence function. + + Executes a LFENCE instruction. This function is only available on IA-32 and x64. + +**/ +VOID +EFIAPI +AsmLfence ( + VOID + ); + +/** + Patch the immediate operand of an IA32 or X64 instruction such that the byte, + word, dword or qword operand is encoded at the end of the instruction's + binary representation. + + This function should be used to update object code that was compiled with + NASM from assembly source code. Example: + + NASM source code: + + mov eax, strict dword 0 ; the imm32 zero operand will be patched + ASM_PFX(gPatchCr3): + mov cr3, eax + + C source code: + + X86_ASSEMBLY_PATCH_LABEL gPatchCr3; + PatchInstructionX86 (gPatchCr3, AsmReadCr3 (), 4); + + @param[out] InstructionEnd Pointer right past the instruction to patch. The + immediate operand to patch is expected to + comprise the trailing bytes of the instruction. + If InstructionEnd is closer to address 0 than + ValueSize permits, then ASSERT(). + + @param[in] PatchValue The constant to write to the immediate operand. + The caller is responsible for ensuring that + PatchValue can be represented in the byte, word, + dword or qword operand (as indicated through + ValueSize); otherwise ASSERT(). + + @param[in] ValueSize The size of the operand in bytes; must be 1, 2, + 4, or 8. ASSERT() otherwise. +**/ +VOID +EFIAPI +PatchInstructionX86 ( + OUT X86_ASSEMBLY_PATCH_LABEL *InstructionEnd, + IN UINT64 PatchValue, + IN UINTN ValueSize + ); + +#endif // defined (MDE_CPU_IA32) || defined (MDE_CPU_X64) +#endif // !defined (__BASE_LIB__) diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/BaseMemoryLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/BaseMemoryLib.h new file mode 100644 index 0000000000..3c764aebc5 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/BaseMemoryLib.h @@ -0,0 +1,483 @@ +/** @file + Provides copy memory, fill memory, zero memory, and GUID functions. + + The Base Memory Library provides optimized implementations for common memory-based operations. + These functions should be used in place of coding your own loops to do equivalent common functions. + This allows optimized library implementations to help increase performance. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __BASE_MEMORY_LIB__ +#define __BASE_MEMORY_LIB__ + +/** + Copies a source buffer to a destination buffer, and returns the destination buffer. + + This function copies Length bytes from SourceBuffer to DestinationBuffer, and returns + DestinationBuffer. The implementation must be reentrant, and it must handle the case + where SourceBuffer overlaps DestinationBuffer. + + If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT(). + + @param DestinationBuffer The pointer to the destination buffer of the memory copy. + @param SourceBuffer The pointer to the source buffer of the memory copy. + @param Length The number of bytes to copy from SourceBuffer to DestinationBuffer. + + @return DestinationBuffer. + +**/ +VOID * +EFIAPI +CopyMem ( + OUT VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Fills a target buffer with a byte value, and returns the target buffer. + + This function fills Length bytes of Buffer with Value, and returns Buffer. + + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The memory to set. + @param Length The number of bytes to set. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ); + +/** + Fills a target buffer with a 16-bit value, and returns the target buffer. + + This function fills Length bytes of Buffer with the 16-bit value specified by + Value, and returns Buffer. Value is repeated every 16-bits in for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem16 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT16 Value + ); + +/** + Fills a target buffer with a 32-bit value, and returns the target buffer. + + This function fills Length bytes of Buffer with the 32-bit value specified by + Value, and returns Buffer. Value is repeated every 32-bits in for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem32 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT32 Value + ); + +/** + Fills a target buffer with a 64-bit value, and returns the target buffer. + + This function fills Length bytes of Buffer with the 64-bit value specified by + Value, and returns Buffer. Value is repeated every 64-bits in for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMem64 ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ); + +/** + Fills a target buffer with a value that is size UINTN, and returns the target buffer. + + This function fills Length bytes of Buffer with the UINTN sized value specified by + Value, and returns Buffer. Value is repeated every sizeof(UINTN) bytes for Length + bytes of Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + If Buffer is not aligned on a UINTN boundary, then ASSERT(). + If Length is not aligned on a UINTN boundary, then ASSERT(). + + @param Buffer The pointer to the target buffer to fill. + @param Length The number of bytes in Buffer to fill. + @param Value The value with which to fill Length bytes of Buffer. + + @return Buffer. + +**/ +VOID * +EFIAPI +SetMemN ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINTN Value + ); + +/** + Fills a target buffer with zeros, and returns the target buffer. + + This function fills Length bytes of Buffer with zeros, and returns Buffer. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to fill with zeros. + @param Length The number of bytes in Buffer to fill with zeros. + + @return Buffer. + +**/ +VOID * +EFIAPI +ZeroMem ( + OUT VOID *Buffer, + IN UINTN Length + ); + +/** + Compares the contents of two buffers. + + This function compares Length bytes of SourceBuffer to Length bytes of DestinationBuffer. + If all Length bytes of the two buffers are identical, then 0 is returned. Otherwise, the + value returned is the first mismatched byte in SourceBuffer subtracted from the first + mismatched byte in DestinationBuffer. + + If Length > 0 and DestinationBuffer is NULL, then ASSERT(). + If Length > 0 and SourceBuffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - DestinationBuffer + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - SourceBuffer + 1), then ASSERT(). + + @param DestinationBuffer The pointer to the destination buffer to compare. + @param SourceBuffer The pointer to the source buffer to compare. + @param Length The number of bytes to compare. + + @return 0 All Length bytes of the two buffers are identical. + @retval Non-zero The first mismatched byte in SourceBuffer subtracted from the first + mismatched byte in DestinationBuffer. + +**/ +INTN +EFIAPI +CompareMem ( + IN CONST VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Scans a target buffer for an 8-bit value, and returns a pointer to the matching 8-bit value + in the target buffer. + + This function searches target the buffer specified by Buffer and Length from the lowest + address to the highest address for an 8-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer, otherwise NULL. + +**/ +VOID * +EFIAPI +ScanMem8 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ); + +/** + Scans a target buffer for a 16-bit value, and returns a pointer to the matching 16-bit value + in the target buffer. + + This function searches target the buffer specified by Buffer and Length from the lowest + address to the highest address for a 16-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer, otherwise NULL. + +**/ +VOID * +EFIAPI +ScanMem16 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT16 Value + ); + +/** + Scans a target buffer for a 32-bit value, and returns a pointer to the matching 32-bit value + in the target buffer. + + This function searches target the buffer specified by Buffer and Length from the lowest + address to the highest address for a 32-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer, otherwise NULL. + +**/ +VOID * +EFIAPI +ScanMem32 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT32 Value + ); + +/** + Scans a target buffer for a 64-bit value, and returns a pointer to the matching 64-bit value + in the target buffer. + + This function searches target the buffer specified by Buffer and Length from the lowest + address to the highest address for a 64-bit value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer, otherwise NULL. + +**/ +VOID * +EFIAPI +ScanMem64 ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINT64 Value + ); + +/** + Scans a target buffer for a UINTN sized value, and returns a pointer to the matching + UINTN sized value in the target buffer. + + This function searches target the buffer specified by Buffer and Length from the lowest + address to the highest address for a UINTN sized value that matches Value. If a match is found, + then a pointer to the matching byte in the target buffer is returned. If no match is found, + then NULL is returned. If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a UINTN boundary, then ASSERT(). + If Length is not aligned on a UINTN boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Value The value to search for in the target buffer. + + @return A pointer to the matching byte in the target buffer, otherwise NULL. + +**/ +VOID * +EFIAPI +ScanMemN ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN UINTN Value + ); + +/** + Copies a source GUID to a destination GUID. + + This function copies the contents of the 128-bit GUID specified by SourceGuid to + DestinationGuid, and returns DestinationGuid. + + If DestinationGuid is NULL, then ASSERT(). + If SourceGuid is NULL, then ASSERT(). + + @param DestinationGuid The pointer to the destination GUID. + @param SourceGuid The pointer to the source GUID. + + @return DestinationGuid. + +**/ +GUID * +EFIAPI +CopyGuid ( + OUT GUID *DestinationGuid, + IN CONST GUID *SourceGuid + ); + +/** + Compares two GUIDs. + + This function compares Guid1 to Guid2. If the GUIDs are identical then TRUE is returned. + If there are any bit differences in the two GUIDs, then FALSE is returned. + + If Guid1 is NULL, then ASSERT(). + If Guid2 is NULL, then ASSERT(). + + @param Guid1 A pointer to a 128 bit GUID. + @param Guid2 A pointer to a 128 bit GUID. + + @retval TRUE Guid1 and Guid2 are identical. + @retval FALSE Guid1 and Guid2 are not identical. + +**/ +BOOLEAN +EFIAPI +CompareGuid ( + IN CONST GUID *Guid1, + IN CONST GUID *Guid2 + ); + +/** + Scans a target buffer for a GUID, and returns a pointer to the matching GUID + in the target buffer. + + This function searches target the buffer specified by Buffer and Length from + the lowest address to the highest address at 128-bit increments for the 128-bit + GUID value that matches Guid. If a match is found, then a pointer to the matching + GUID in the target buffer is returned. If no match is found, then NULL is returned. + If Length is 0, then NULL is returned. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + If Length is not aligned on a 128-bit boundary, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to scan. + @param Length The number of bytes in Buffer to scan. + @param Guid The value to search for in the target buffer. + + @return A pointer to the matching Guid in the target buffer, otherwise NULL. + +**/ +VOID * +EFIAPI +ScanGuid ( + IN CONST VOID *Buffer, + IN UINTN Length, + IN CONST GUID *Guid + ); + +/** + Checks if the given GUID is a zero GUID. + + This function checks whether the given GUID is a zero GUID. If the GUID is + identical to a zero GUID then TRUE is returned. Otherwise, FALSE is returned. + + If Guid is NULL, then ASSERT(). + + @param Guid The pointer to a 128 bit GUID. + + @retval TRUE Guid is a zero GUID. + @retval FALSE Guid is not a zero GUID. + +**/ +BOOLEAN +EFIAPI +IsZeroGuid ( + IN CONST GUID *Guid + ); + +/** + Checks if the contents of a buffer are all zeros. + + This function checks whether the contents of a buffer are all zeros. If the + contents are all zeros, return TRUE. Otherwise, return FALSE. + + If Length > 0 and Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the buffer to be checked. + @param Length The size of the buffer (in bytes) to be checked. + + @retval TRUE Contents of the buffer are all zeros. + @retval FALSE Contents of the buffer are not all zeros. + +**/ +BOOLEAN +EFIAPI +IsZeroBuffer ( + IN CONST VOID *Buffer, + IN UINTN Length + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/CacheMaintenanceLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/CacheMaintenanceLib.h new file mode 100644 index 0000000000..18bd6050f4 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/CacheMaintenanceLib.h @@ -0,0 +1,206 @@ +/** @file + Provides services to maintain instruction and data caches. + + The Cache Maintenance Library provides abstractions for basic processor cache operations. + It removes the need to use assembly in C code. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __CACHE_MAINTENANCE_LIB__ +#define __CACHE_MAINTENANCE_LIB__ + +/** + Invalidates the entire instruction cache in cache coherency domain of the + calling CPU. + +**/ +VOID +EFIAPI +InvalidateInstructionCache ( + VOID + ); + +/** + Invalidates a range of instruction cache lines in the cache coherency domain + of the calling CPU. + + Invalidates the instruction cache lines specified by Address and Length. If + Address is not aligned on a cache line boundary, then entire instruction + cache line containing Address is invalidated. If Address + Length is not + aligned on a cache line boundary, then the entire instruction cache line + containing Address + Length -1 is invalidated. This function may choose to + invalidate the entire instruction cache if that is more efficient than + invalidating the specified range. If Length is 0, then no instruction cache + lines are invalidated. Address is returned. + + If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT(). + + @param Address The base address of the instruction cache lines to + invalidate. If the CPU is in a physical addressing mode, then + Address is a physical address. If the CPU is in a virtual + addressing mode, then Address is a virtual address. + + @param Length The number of bytes to invalidate from the instruction cache. + + @return Address. + +**/ +VOID * +EFIAPI +InvalidateInstructionCacheRange ( + IN VOID *Address, + IN UINTN Length + ); + +/** + Writes Back and Invalidates the entire data cache in cache coherency domain + of the calling CPU. + + Writes Back and Invalidates the entire data cache in cache coherency domain + of the calling CPU. This function guarantees that all dirty cache lines are + written back to system memory, and also invalidates all the data cache lines + in the cache coherency domain of the calling CPU. + +**/ +VOID +EFIAPI +WriteBackInvalidateDataCache ( + VOID + ); + +/** + Writes Back and Invalidates a range of data cache lines in the cache + coherency domain of the calling CPU. + + Writes Back and Invalidate the data cache lines specified by Address and + Length. If Address is not aligned on a cache line boundary, then entire data + cache line containing Address is written back and invalidated. If Address + + Length is not aligned on a cache line boundary, then the entire data cache + line containing Address + Length -1 is written back and invalidated. This + function may choose to write back and invalidate the entire data cache if + that is more efficient than writing back and invalidating the specified + range. If Length is 0, then no data cache lines are written back and + invalidated. Address is returned. + + If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT(). + + @param Address The base address of the data cache lines to write back and + invalidate. If the CPU is in a physical addressing mode, then + Address is a physical address. If the CPU is in a virtual + addressing mode, then Address is a virtual address. + @param Length The number of bytes to write back and invalidate from the + data cache. + + @return Address of cache invalidation. + +**/ +VOID * +EFIAPI +WriteBackInvalidateDataCacheRange ( + IN VOID *Address, + IN UINTN Length + ); + +/** + Writes Back the entire data cache in cache coherency domain of the calling + CPU. + + Writes Back the entire data cache in cache coherency domain of the calling + CPU. This function guarantees that all dirty cache lines are written back to + system memory. This function may also invalidate all the data cache lines in + the cache coherency domain of the calling CPU. + +**/ +VOID +EFIAPI +WriteBackDataCache ( + VOID + ); + +/** + Writes Back a range of data cache lines in the cache coherency domain of the + calling CPU. + + Writes Back the data cache lines specified by Address and Length. If Address + is not aligned on a cache line boundary, then entire data cache line + containing Address is written back. If Address + Length is not aligned on a + cache line boundary, then the entire data cache line containing Address + + Length -1 is written back. This function may choose to write back the entire + data cache if that is more efficient than writing back the specified range. + If Length is 0, then no data cache lines are written back. This function may + also invalidate all the data cache lines in the specified range of the cache + coherency domain of the calling CPU. Address is returned. + + If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT(). + + @param Address The base address of the data cache lines to write back. If + the CPU is in a physical addressing mode, then Address is a + physical address. If the CPU is in a virtual addressing + mode, then Address is a virtual address. + @param Length The number of bytes to write back from the data cache. + + @return Address of cache written in main memory. + +**/ +VOID * +EFIAPI +WriteBackDataCacheRange ( + IN VOID *Address, + IN UINTN Length + ); + +/** + Invalidates the entire data cache in cache coherency domain of the calling + CPU. + + Invalidates the entire data cache in cache coherency domain of the calling + CPU. This function must be used with care because dirty cache lines are not + written back to system memory. It is typically used for cache diagnostics. If + the CPU does not support invalidation of the entire data cache, then a write + back and invalidate operation should be performed on the entire data cache. + +**/ +VOID +EFIAPI +InvalidateDataCache ( + VOID + ); + +/** + Invalidates a range of data cache lines in the cache coherency domain of the + calling CPU. + + Invalidates the data cache lines specified by Address and Length. If Address + is not aligned on a cache line boundary, then entire data cache line + containing Address is invalidated. If Address + Length is not aligned on a + cache line boundary, then the entire data cache line containing Address + + Length -1 is invalidated. This function must never invalidate any cache lines + outside the specified range. If Length is 0, the no data cache lines are + invalidated. Address is returned. This function must be used with care + because dirty cache lines are not written back to system memory. It is + typically used for cache diagnostics. If the CPU does not support + invalidation of a data cache range, then a write back and invalidate + operation should be performed on the data cache range. + + If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT(). + + @param Address The base address of the data cache lines to invalidate. If + the CPU is in a physical addressing mode, then Address is a + physical address. If the CPU is in a virtual addressing mode, + then Address is a virtual address. + @param Length The number of bytes to invalidate from the data cache. + + @return Address. + +**/ +VOID * +EFIAPI +InvalidateDataCacheRange ( + IN VOID *Address, + IN UINTN Length + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/CpuLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/CpuLib.h new file mode 100644 index 0000000000..76e4fd1708 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/CpuLib.h @@ -0,0 +1,45 @@ +/** @file + Provides CPU architecture specific functions that can not be defined + in the Base Library due to dependencies on the PAL Library + + The CPU Library provides services to flush CPU TLBs and place the CPU in a sleep state. + The implementation of these services on Itanium processors requires the use of PAL Calls. + PAL Calls require PEI and DXE specific mechanisms to look up PAL Entry Point. + As a result, these services could not be defined in the Base Library. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __CPU_LIB_H__ +#define __CPU_LIB_H__ + +/** + Places the CPU in a sleep state until an interrupt is received. + + Places the CPU in a sleep state until an interrupt is received. If interrupts + are disabled prior to calling this function, then the CPU will be placed in a + sleep state indefinitely. + +**/ +VOID +EFIAPI +CpuSleep ( + VOID + ); + +/** + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + + Flushes all the Translation Lookaside Buffers(TLB) entries in a CPU. + +**/ +VOID +EFIAPI +CpuFlushTlb ( + VOID + ); + + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DebugLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DebugLib.h new file mode 100644 index 0000000000..d71dacd79d --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DebugLib.h @@ -0,0 +1,577 @@ +/** @file + Provides services to print debug and assert messages to a debug output device. + + The Debug library supports debug print and asserts based on a combination of macros and code. + The debug library can be turned on and off so that the debug code does not increase the size of an image. + + Note that a reserved macro named MDEPKG_NDEBUG is introduced for the intention + of size reduction when compiler optimization is disabled. If MDEPKG_NDEBUG is + defined, then debug and assert related macros wrapped by it are the NULL implementations. + +Copyright (c) 2006 - 2020, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __DEBUG_LIB_H__ +#define __DEBUG_LIB_H__ + +// +// Declare bits for PcdDebugPropertyMask +// +#define DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED 0x01 +#define DEBUG_PROPERTY_DEBUG_PRINT_ENABLED 0x02 +#define DEBUG_PROPERTY_DEBUG_CODE_ENABLED 0x04 +#define DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED 0x08 +#define DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED 0x10 +#define DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED 0x20 + +// +// Declare bits for PcdDebugPrintErrorLevel and the ErrorLevel parameter of DebugPrint() +// +#define DEBUG_INIT 0x00000001 // Initialization +#define DEBUG_WARN 0x00000002 // Warnings +#define DEBUG_LOAD 0x00000004 // Load events +#define DEBUG_FS 0x00000008 // EFI File system +#define DEBUG_POOL 0x00000010 // Alloc & Free (pool) +#define DEBUG_PAGE 0x00000020 // Alloc & Free (page) +#define DEBUG_INFO 0x00000040 // Informational debug messages +#define DEBUG_DISPATCH 0x00000080 // PEI/DXE/SMM Dispatchers +#define DEBUG_VARIABLE 0x00000100 // Variable +#define DEBUG_BM 0x00000400 // Boot Manager +#define DEBUG_BLKIO 0x00001000 // BlkIo Driver +#define DEBUG_NET 0x00004000 // Network Io Driver +#define DEBUG_UNDI 0x00010000 // UNDI Driver +#define DEBUG_LOADFILE 0x00020000 // LoadFile +#define DEBUG_EVENT 0x00080000 // Event messages +#define DEBUG_GCD 0x00100000 // Global Coherency Database changes +#define DEBUG_CACHE 0x00200000 // Memory range cachability changes +#define DEBUG_VERBOSE 0x00400000 // Detailed debug messages that may + // significantly impact boot performance +#define DEBUG_ERROR 0x80000000 // Error + +// +// Aliases of debug message mask bits +// +#define EFI_D_INIT DEBUG_INIT +#define EFI_D_WARN DEBUG_WARN +#define EFI_D_LOAD DEBUG_LOAD +#define EFI_D_FS DEBUG_FS +#define EFI_D_POOL DEBUG_POOL +#define EFI_D_PAGE DEBUG_PAGE +#define EFI_D_INFO DEBUG_INFO +#define EFI_D_DISPATCH DEBUG_DISPATCH +#define EFI_D_VARIABLE DEBUG_VARIABLE +#define EFI_D_BM DEBUG_BM +#define EFI_D_BLKIO DEBUG_BLKIO +#define EFI_D_NET DEBUG_NET +#define EFI_D_UNDI DEBUG_UNDI +#define EFI_D_LOADFILE DEBUG_LOADFILE +#define EFI_D_EVENT DEBUG_EVENT +#define EFI_D_VERBOSE DEBUG_VERBOSE +#define EFI_D_ERROR DEBUG_ERROR + +/** + Prints a debug message to the debug output device if the specified error level is enabled. + + If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function + GetDebugPrintErrorLevel (), then print the message specified by Format and the + associated variable argument list to the debug output device. + + If Format is NULL, then ASSERT(). + + @param ErrorLevel The error level of the debug message. + @param Format The format string for the debug message to print. + @param ... The variable argument list whose contents are accessed + based on the format string specified by Format. + +**/ +VOID +EFIAPI +DebugPrint ( + IN UINTN ErrorLevel, + IN CONST CHAR8 *Format, + ... + ); + + +/** + Prints a debug message to the debug output device if the specified + error level is enabled. + + If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function + GetDebugPrintErrorLevel (), then print the message specified by Format and + the associated variable argument list to the debug output device. + + If Format is NULL, then ASSERT(). + + @param ErrorLevel The error level of the debug message. + @param Format Format string for the debug message to print. + @param VaListMarker VA_LIST marker for the variable argument list. + +**/ +VOID +EFIAPI +DebugVPrint ( + IN UINTN ErrorLevel, + IN CONST CHAR8 *Format, + IN VA_LIST VaListMarker + ); + + +/** + Prints a debug message to the debug output device if the specified + error level is enabled. + This function use BASE_LIST which would provide a more compatible + service than VA_LIST. + + If any bit in ErrorLevel is also set in DebugPrintErrorLevelLib function + GetDebugPrintErrorLevel (), then print the message specified by Format and + the associated variable argument list to the debug output device. + + If Format is NULL, then ASSERT(). + + @param ErrorLevel The error level of the debug message. + @param Format Format string for the debug message to print. + @param BaseListMarker BASE_LIST marker for the variable argument list. + +**/ +VOID +EFIAPI +DebugBPrint ( + IN UINTN ErrorLevel, + IN CONST CHAR8 *Format, + IN BASE_LIST BaseListMarker + ); + + +/** + Prints an assert message containing a filename, line number, and description. + This may be followed by a breakpoint or a dead loop. + + Print a message of the form "ASSERT <FileName>(<LineNumber>): <Description>\n" + to the debug output device. If DEBUG_PROPERTY_ASSERT_BREAKPOINT_ENABLED bit of + PcdDebugProperyMask is set then CpuBreakpoint() is called. Otherwise, if + DEBUG_PROPERTY_ASSERT_DEADLOOP_ENABLED bit of PcdDebugProperyMask is set then + CpuDeadLoop() is called. If neither of these bits are set, then this function + returns immediately after the message is printed to the debug output device. + DebugAssert() must actively prevent recursion. If DebugAssert() is called while + processing another DebugAssert(), then DebugAssert() must return immediately. + + If FileName is NULL, then a <FileName> string of "(NULL) Filename" is printed. + If Description is NULL, then a <Description> string of "(NULL) Description" is printed. + + @param FileName The pointer to the name of the source file that generated the assert condition. + @param LineNumber The line number in the source file that generated the assert condition + @param Description The pointer to the description of the assert condition. + +**/ +VOID +EFIAPI +DebugAssert ( + IN CONST CHAR8 *FileName, + IN UINTN LineNumber, + IN CONST CHAR8 *Description + ); + + +/** + Fills a target buffer with PcdDebugClearMemoryValue, and returns the target buffer. + + This function fills Length bytes of Buffer with the value specified by + PcdDebugClearMemoryValue, and returns Buffer. + + If Buffer is NULL, then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param Buffer The pointer to the target buffer to be filled with PcdDebugClearMemoryValue. + @param Length The number of bytes in Buffer to fill with zeros PcdDebugClearMemoryValue. + + @return Buffer The pointer to the target buffer filled with PcdDebugClearMemoryValue. + +**/ +VOID * +EFIAPI +DebugClearMemory ( + OUT VOID *Buffer, + IN UINTN Length + ); + + +/** + Returns TRUE if ASSERT() macros are enabled. + + This function returns TRUE if the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of + PcdDebugProperyMask is set. Otherwise, FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is set. + @retval FALSE The DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of PcdDebugProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +DebugAssertEnabled ( + VOID + ); + + +/** + Returns TRUE if DEBUG() macros are enabled. + + This function returns TRUE if the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of + PcdDebugProperyMask is set. Otherwise, FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is set. + @retval FALSE The DEBUG_PROPERTY_DEBUG_PRINT_ENABLED bit of PcdDebugProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +DebugPrintEnabled ( + VOID + ); + + +/** + Returns TRUE if DEBUG_CODE() macros are enabled. + + This function returns TRUE if the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of + PcdDebugProperyMask is set. Otherwise, FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set. + @retval FALSE The DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +DebugCodeEnabled ( + VOID + ); + + +/** + Returns TRUE if DEBUG_CLEAR_MEMORY() macro is enabled. + + This function returns TRUE if the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of + PcdDebugProperyMask is set. Otherwise, FALSE is returned. + + @retval TRUE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set. + @retval FALSE The DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +DebugClearMemoryEnabled ( + VOID + ); + +/** + Returns TRUE if any one of the bit is set both in ErrorLevel and PcdFixedDebugPrintErrorLevel. + + This function compares the bit mask of ErrorLevel and PcdFixedDebugPrintErrorLevel. + + @retval TRUE Current ErrorLevel is supported. + @retval FALSE Current ErrorLevel is not supported. + +**/ +BOOLEAN +EFIAPI +DebugPrintLevelEnabled ( + IN CONST UINTN ErrorLevel + ); + +/** + Internal worker macro that calls DebugAssert(). + + This macro calls DebugAssert(), passing in the filename, line number, and an + expression that evaluated to FALSE. + + @param Expression Boolean expression that evaluated to FALSE + +**/ +#if defined(__clang__) && defined(__FILE_NAME__) +#define _ASSERT(Expression) DebugAssert (__FILE_NAME__, __LINE__, #Expression) +#else +#define _ASSERT(Expression) DebugAssert (__FILE__, __LINE__, #Expression) +#endif + + +/** + Internal worker macro that calls DebugPrint(). + + This macro calls DebugPrint() passing in the debug error level, a format + string, and a variable argument list. + __VA_ARGS__ is not supported by EBC compiler, Microsoft Visual Studio .NET 2003 + and Microsoft Windows Server 2003 Driver Development Kit (Microsoft WINDDK) version 3790.1830. + + @param Expression Expression containing an error level, a format string, + and a variable argument list based on the format string. + +**/ + +#if !defined(MDE_CPU_EBC) && (!defined (_MSC_VER) || _MSC_VER > 1400) + #define _DEBUG_PRINT(PrintLevel, ...) \ + do { \ + if (DebugPrintLevelEnabled (PrintLevel)) { \ + DebugPrint (PrintLevel, ##__VA_ARGS__); \ + } \ + } while (FALSE) + #define _DEBUG(Expression) _DEBUG_PRINT Expression +#else +#define _DEBUG(Expression) DebugPrint Expression +#endif + +/** + Macro that calls DebugAssert() if an expression evaluates to FALSE. + + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED + bit of PcdDebugProperyMask is set, then this macro evaluates the Boolean + expression specified by Expression. If Expression evaluates to FALSE, then + DebugAssert() is called passing in the source filename, source line number, + and Expression. + + @param Expression Boolean expression. + +**/ +#if !defined(MDEPKG_NDEBUG) + #define ASSERT(Expression) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (!(Expression)) { \ + _ASSERT (Expression); \ + ANALYZER_UNREACHABLE (); \ + } \ + } \ + } while (FALSE) +#else + #define ASSERT(Expression) +#endif + +/** + Macro that calls DebugPrint(). + + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED + bit of PcdDebugProperyMask is set, then this macro passes Expression to + DebugPrint(). + + @param Expression Expression containing an error level, a format string, + and a variable argument list based on the format string. + + +**/ +#if !defined(MDEPKG_NDEBUG) + #define DEBUG(Expression) \ + do { \ + if (DebugPrintEnabled ()) { \ + _DEBUG (Expression); \ + } \ + } while (FALSE) +#else + #define DEBUG(Expression) +#endif + +/** + Macro that calls DebugAssert() if an EFI_STATUS evaluates to an error code. + + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED + bit of PcdDebugProperyMask is set, then this macro evaluates the EFI_STATUS + value specified by StatusParameter. If StatusParameter is an error code, + then DebugAssert() is called passing in the source filename, source line + number, and StatusParameter. + + @param StatusParameter EFI_STATUS value to evaluate. + +**/ +#if !defined(MDEPKG_NDEBUG) + #define ASSERT_EFI_ERROR(StatusParameter) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (EFI_ERROR (StatusParameter)) { \ + DEBUG ((EFI_D_ERROR, "\nASSERT_EFI_ERROR (Status = %r)\n", StatusParameter)); \ + _ASSERT (!EFI_ERROR (StatusParameter)); \ + } \ + } \ + } while (FALSE) +#else + #define ASSERT_EFI_ERROR(StatusParameter) +#endif + +/** + Macro that calls DebugAssert() if a RETURN_STATUS evaluates to an error code. + + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED + bit of PcdDebugProperyMask is set, then this macro evaluates the + RETURN_STATUS value specified by StatusParameter. If StatusParameter is an + error code, then DebugAssert() is called passing in the source filename, + source line number, and StatusParameter. + + @param StatusParameter RETURN_STATUS value to evaluate. + +**/ +#if !defined(MDEPKG_NDEBUG) + #define ASSERT_RETURN_ERROR(StatusParameter) \ + do { \ + if (DebugAssertEnabled ()) { \ + if (RETURN_ERROR (StatusParameter)) { \ + DEBUG ((DEBUG_ERROR, "\nASSERT_RETURN_ERROR (Status = %r)\n", \ + StatusParameter)); \ + _ASSERT (!RETURN_ERROR (StatusParameter)); \ + } \ + } \ + } while (FALSE) +#else + #define ASSERT_RETURN_ERROR(StatusParameter) +#endif + +/** + Macro that calls DebugAssert() if a protocol is already installed in the + handle database. + + If MDEPKG_NDEBUG is defined or the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit + of PcdDebugProperyMask is clear, then return. + + If Handle is NULL, then a check is made to see if the protocol specified by Guid + is present on any handle in the handle database. If Handle is not NULL, then + a check is made to see if the protocol specified by Guid is present on the + handle specified by Handle. If the check finds the protocol, then DebugAssert() + is called passing in the source filename, source line number, and Guid. + + If Guid is NULL, then ASSERT(). + + @param Handle The handle to check for the protocol. This is an optional + parameter that may be NULL. If it is NULL, then the entire + handle database is searched. + + @param Guid The pointer to a protocol GUID. + +**/ +#if !defined(MDEPKG_NDEBUG) + #define ASSERT_PROTOCOL_ALREADY_INSTALLED(Handle, Guid) \ + do { \ + if (DebugAssertEnabled ()) { \ + VOID *Instance; \ + ASSERT (Guid != NULL); \ + if (Handle == NULL) { \ + if (!EFI_ERROR (gBS->LocateProtocol ((EFI_GUID *)Guid, NULL, &Instance))) { \ + _ASSERT (Guid already installed in database); \ + } \ + } else { \ + if (!EFI_ERROR (gBS->HandleProtocol (Handle, (EFI_GUID *)Guid, &Instance))) { \ + _ASSERT (Guid already installed on Handle); \ + } \ + } \ + } \ + } while (FALSE) +#else + #define ASSERT_PROTOCOL_ALREADY_INSTALLED(Handle, Guid) +#endif + +/** + Macro that marks the beginning of debug source code. + + If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set, + then this macro marks the beginning of source code that is included in a module. + Otherwise, the source lines between DEBUG_CODE_BEGIN() and DEBUG_CODE_END() + are not included in a module. + +**/ +#define DEBUG_CODE_BEGIN() do { if (DebugCodeEnabled ()) { UINT8 __DebugCodeLocal + + +/** + The macro that marks the end of debug source code. + + If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set, + then this macro marks the end of source code that is included in a module. + Otherwise, the source lines between DEBUG_CODE_BEGIN() and DEBUG_CODE_END() + are not included in a module. + +**/ +#define DEBUG_CODE_END() __DebugCodeLocal = 0; __DebugCodeLocal++; } } while (FALSE) + + +/** + The macro that declares a section of debug source code. + + If the DEBUG_PROPERTY_DEBUG_CODE_ENABLED bit of PcdDebugProperyMask is set, + then the source code specified by Expression is included in a module. + Otherwise, the source specified by Expression is not included in a module. + +**/ +#define DEBUG_CODE(Expression) \ + DEBUG_CODE_BEGIN (); \ + Expression \ + DEBUG_CODE_END () + + +/** + The macro that calls DebugClearMemory() to clear a buffer to a default value. + + If the DEBUG_PROPERTY_CLEAR_MEMORY_ENABLED bit of PcdDebugProperyMask is set, + then this macro calls DebugClearMemory() passing in Address and Length. + + @param Address The pointer to a buffer. + @param Length The number of bytes in the buffer to set. + +**/ +#define DEBUG_CLEAR_MEMORY(Address, Length) \ + do { \ + if (DebugClearMemoryEnabled ()) { \ + DebugClearMemory (Address, Length); \ + } \ + } while (FALSE) + + +/** + Macro that calls DebugAssert() if the containing record does not have a + matching signature. If the signatures matches, then a pointer to the data + structure that contains a specified field of that data structure is returned. + This is a lightweight method hide information by placing a public data + structure inside a larger private data structure and using a pointer to the + public data structure to retrieve a pointer to the private data structure. + + If MDEPKG_NDEBUG is defined or the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit + of PcdDebugProperyMask is clear, then this macro computes the offset, in bytes, + of the field specified by Field from the beginning of the data structure specified + by TYPE. This offset is subtracted from Record, and is used to return a pointer + to a data structure of the type specified by TYPE. + + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit + of PcdDebugProperyMask is set, then this macro computes the offset, in bytes, + of field specified by Field from the beginning of the data structure specified + by TYPE. This offset is subtracted from Record, and is used to compute a pointer + to a data structure of the type specified by TYPE. The Signature field of the + data structure specified by TYPE is compared to TestSignature. If the signatures + match, then a pointer to the pointer to a data structure of the type specified by + TYPE is returned. If the signatures do not match, then DebugAssert() is called + with a description of "CR has a bad signature" and Record is returned. + + If the data type specified by TYPE does not contain the field specified by Field, + then the module will not compile. + + If TYPE does not contain a field called Signature, then the module will not + compile. + + @param Record The pointer to the field specified by Field within a data + structure of type TYPE. + + @param TYPE The name of the data structure type to return This + data structure must contain the field specified by Field. + + @param Field The name of the field in the data structure specified + by TYPE to which Record points. + + @param TestSignature The 32-bit signature value to match. + +**/ +#if !defined(MDEPKG_NDEBUG) + #define CR(Record, TYPE, Field, TestSignature) \ + (DebugAssertEnabled () && (BASE_CR (Record, TYPE, Field)->Signature != TestSignature)) ? \ + (TYPE *) (_ASSERT (CR has Bad Signature), Record) : \ + BASE_CR (Record, TYPE, Field) +#else + #define CR(Record, TYPE, Field, TestSignature) \ + BASE_CR (Record, TYPE, Field) +#endif + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DebugPrintErrorLevelLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DebugPrintErrorLevelLib.h new file mode 100644 index 0000000000..f57097f815 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DebugPrintErrorLevelLib.h @@ -0,0 +1,37 @@ +/** @file + Debug Print Error Level Library class + + Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef _DEBUG_PRINT_ERROR_LEVEL_LIB_H_ +#define _DEBUG_PRINT_ERROR_LEVEL_LIB_H_ + +/** + Returns the debug print error level mask for the current module. + + @return Debug print error level mask for the current module. + +**/ +UINT32 +EFIAPI +GetDebugPrintErrorLevel ( + VOID + ); + +/** + Sets the global debug print error level mask fpr the entire platform. + + @param ErrorLevel Global debug print error level + + @retval TRUE The debug print error level mask was successfully set. + @retval FALSE The debug print error level mask could not be set. + +**/ +BOOLEAN +EFIAPI +SetDebugPrintErrorLevel ( + UINT32 ErrorLevel + ); +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DevicePathLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DevicePathLib.h new file mode 100644 index 0000000000..687b5b30dd --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DevicePathLib.h @@ -0,0 +1,561 @@ +/** @file + Provides library functions to construct and parse UEFI Device Paths. + + This library provides defines, macros, and functions to help create and parse + EFI_DEVICE_PATH_PROTOCOL structures. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __DEVICE_PATH_LIB_H__ +#define __DEVICE_PATH_LIB_H__ + +#define END_DEVICE_PATH_LENGTH (sizeof (EFI_DEVICE_PATH_PROTOCOL)) + +/** + Determine whether a given device path is valid. + + @param DevicePath A pointer to a device path data structure. + @param MaxSize The maximum size of the device path data structure. + + @retval TRUE DevicePath is valid. + @retval FALSE DevicePath is NULL. + @retval FALSE Maxsize is less than sizeof(EFI_DEVICE_PATH_PROTOCOL). + @retval FALSE The length of any node node in the DevicePath is less + than sizeof (EFI_DEVICE_PATH_PROTOCOL). + @retval FALSE If MaxSize is not zero, the size of the DevicePath + exceeds MaxSize. + @retval FALSE If PcdMaximumDevicePathNodeCount is not zero, the node + count of the DevicePath exceeds PcdMaximumDevicePathNodeCount. +**/ +BOOLEAN +EFIAPI +IsDevicePathValid ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + IN UINTN MaxSize + ); + +/** + Returns the Type field of a device path node. + + Returns the Type field of the device path node specified by Node. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @return The Type field of the device path node specified by Node. + +**/ +UINT8 +EFIAPI +DevicePathType ( + IN CONST VOID *Node + ); + +/** + Returns the SubType field of a device path node. + + Returns the SubType field of the device path node specified by Node. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @return The SubType field of the device path node specified by Node. + +**/ +UINT8 +EFIAPI +DevicePathSubType ( + IN CONST VOID *Node + ); + +/** + Returns the 16-bit Length field of a device path node. + + Returns the 16-bit Length field of the device path node specified by Node. + Node is not required to be aligned on a 16-bit boundary, so it is recommended + that a function such as ReadUnaligned16() be used to extract the contents of + the Length field. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @return The 16-bit Length field of the device path node specified by Node. + +**/ +UINTN +EFIAPI +DevicePathNodeLength ( + IN CONST VOID *Node + ); + +/** + Returns a pointer to the next node in a device path. + + Returns a pointer to the device path node that follows the device path node specified by Node. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @return a pointer to the device path node that follows the device path node specified by Node. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +NextDevicePathNode ( + IN CONST VOID *Node + ); + +/** + Determines if a device path node is an end node of a device path. + This includes nodes that are the end of a device path instance and nodes that + are the end of an entire device path. + + Determines if the device path node specified by Node is an end node of a device path. + This includes nodes that are the end of a device path instance and nodes that are the + end of an entire device path. If Node represents an end node of a device path, + then TRUE is returned. Otherwise, FALSE is returned. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @retval TRUE The device path node specified by Node is an end node of a device path. + @retval FALSE The device path node specified by Node is not an end node of a device path. + +**/ +BOOLEAN +EFIAPI +IsDevicePathEndType ( + IN CONST VOID *Node + ); + +/** + Determines if a device path node is an end node of an entire device path. + + Determines if a device path node specified by Node is an end node of an entire device path. + If Node represents the end of an entire device path, then TRUE is returned. + Otherwise, FALSE is returned. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @retval TRUE The device path node specified by Node is the end of an entire device path. + @retval FALSE The device path node specified by Node is not the end of an entire device path. + +**/ +BOOLEAN +EFIAPI +IsDevicePathEnd ( + IN CONST VOID *Node + ); + +/** + Determines if a device path node is an end node of a device path instance. + + Determines if a device path node specified by Node is an end node of a device path instance. + If Node represents the end of a device path instance, then TRUE is returned. + Otherwise, FALSE is returned. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + + @retval TRUE The device path node specified by Node is the end of a device path instance. + @retval FALSE The device path node specified by Node is not the end of a device path instance. + +**/ +BOOLEAN +EFIAPI +IsDevicePathEndInstance ( + IN CONST VOID *Node + ); + +/** + Sets the length, in bytes, of a device path node. + + Sets the length of the device path node specified by Node to the value specified + by NodeLength. NodeLength is returned. Node is not required to be aligned on + a 16-bit boundary, so it is recommended that a function such as WriteUnaligned16() + be used to set the contents of the Length field. + + If Node is NULL, then ASSERT(). + If NodeLength >= 0x10000, then ASSERT(). + If NodeLength < sizeof (EFI_DEVICE_PATH_PROTOCOL), then ASSERT(). + + @param Node A pointer to a device path node data structure. + @param Length The length, in bytes, of the device path node. + + @return Length + +**/ +UINT16 +EFIAPI +SetDevicePathNodeLength ( + IN OUT VOID *Node, + IN UINTN Length + ); + +/** + Fills in all the fields of a device path node that is the end of an entire device path. + + Fills in all the fields of a device path node specified by Node so Node represents + the end of an entire device path. The Type field of Node is set to + END_DEVICE_PATH_TYPE, the SubType field of Node is set to + END_ENTIRE_DEVICE_PATH_SUBTYPE, and the Length field of Node is set to + END_DEVICE_PATH_LENGTH. Node is not required to be aligned on a 16-bit boundary, + so it is recommended that a function such as WriteUnaligned16() be used to set + the contents of the Length field. + + If Node is NULL, then ASSERT(). + + @param Node A pointer to a device path node data structure. + +**/ +VOID +EFIAPI +SetDevicePathEndNode ( + OUT VOID *Node + ); + +/** + Returns the size of a device path in bytes. + + This function returns the size, in bytes, of the device path data structure + specified by DevicePath including the end of device path node. + If DevicePath is NULL or invalid, then 0 is returned. + + @param DevicePath A pointer to a device path data structure. + + @retval 0 If DevicePath is NULL or invalid. + @retval Others The size of a device path in bytes. + +**/ +UINTN +EFIAPI +GetDevicePathSize ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +/** + Creates a new copy of an existing device path. + + This function allocates space for a new copy of the device path specified by DevicePath. If + DevicePath is NULL, then NULL is returned. If the memory is successfully allocated, then the + contents of DevicePath are copied to the newly allocated buffer, and a pointer to that buffer + is returned. Otherwise, NULL is returned. + The memory for the new device path is allocated from EFI boot services memory. + It is the responsibility of the caller to free the memory allocated. + + @param DevicePath A pointer to a device path data structure. + + @retval NULL DevicePath is NULL or invalid. + @retval Others A pointer to the duplicated device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +DuplicateDevicePath ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +/** + Creates a new device path by appending a second device path to a first device path. + + This function creates a new device path by appending a copy of SecondDevicePath to a copy of + FirstDevicePath in a newly allocated buffer. Only the end-of-device-path device node from + SecondDevicePath is retained. The newly created device path is returned. + If FirstDevicePath is NULL, then it is ignored, and a duplicate of SecondDevicePath is returned. + If SecondDevicePath is NULL, then it is ignored, and a duplicate of FirstDevicePath is returned. + If both FirstDevicePath and SecondDevicePath are NULL, then a copy of an end-of-device-path is + returned. + If there is not enough memory for the newly allocated buffer, then NULL is returned. + The memory for the new device path is allocated from EFI boot services memory. It is the + responsibility of the caller to free the memory allocated. + + @param FirstDevicePath A pointer to a device path data structure. + @param SecondDevicePath A pointer to a device path data structure. + + @retval NULL If there is not enough memory for the newly allocated buffer. + @retval NULL If FirstDevicePath or SecondDevicePath is invalid. + @retval Others A pointer to the new device path if success. + Or a copy an end-of-device-path if both FirstDevicePath and SecondDevicePath are NULL. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +AppendDevicePath ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath, OPTIONAL + IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath OPTIONAL + ); + +/** + Creates a new path by appending the device node to the device path. + + This function creates a new device path by appending a copy of the device node specified by + DevicePathNode to a copy of the device path specified by DevicePath in an allocated buffer. + The end-of-device-path device node is moved after the end of the appended device node. + If DevicePathNode is NULL then a copy of DevicePath is returned. + If DevicePath is NULL then a copy of DevicePathNode, followed by an end-of-device path device + node is returned. + If both DevicePathNode and DevicePath are NULL then a copy of an end-of-device-path device node + is returned. + If there is not enough memory to allocate space for the new device path, then NULL is returned. + The memory is allocated from EFI boot services memory. It is the responsibility of the caller to + free the memory allocated. + + @param DevicePath A pointer to a device path data structure. + @param DevicePathNode A pointer to a single device path node. + + @retval NULL There is not enough memory for the new device path. + @retval Others A pointer to the new device path if success. + A copy of DevicePathNode followed by an end-of-device-path node + if both FirstDevicePath and SecondDevicePath are NULL. + A copy of an end-of-device-path node if both FirstDevicePath and SecondDevicePath are NULL. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +AppendDevicePathNode ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathNode OPTIONAL + ); + +/** + Creates a new device path by appending the specified device path instance to the specified device + path. + + This function creates a new device path by appending a copy of the device path instance specified + by DevicePathInstance to a copy of the device path secified by DevicePath in a allocated buffer. + The end-of-device-path device node is moved after the end of the appended device path instance + and a new end-of-device-path-instance node is inserted between. + If DevicePath is NULL, then a copy if DevicePathInstance is returned. + If DevicePathInstance is NULL, then NULL is returned. + If DevicePath or DevicePathInstance is invalid, then NULL is returned. + If there is not enough memory to allocate space for the new device path, then NULL is returned. + The memory is allocated from EFI boot services memory. It is the responsibility of the caller to + free the memory allocated. + + @param DevicePath A pointer to a device path data structure. + @param DevicePathInstance A pointer to a device path instance. + + @return A pointer to the new device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +AppendDevicePathInstance ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, OPTIONAL + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePathInstance OPTIONAL + ); + +/** + Creates a copy of the current device path instance and returns a pointer to the next device path + instance. + + This function creates a copy of the current device path instance. It also updates DevicePath to + point to the next device path instance in the device path (or NULL if no more) and updates Size + to hold the size of the device path instance copy. + If DevicePath is NULL, then NULL is returned. + If DevicePath points to a invalid device path, then NULL is returned. + If there is not enough memory to allocate space for the new device path, then NULL is returned. + The memory is allocated from EFI boot services memory. It is the responsibility of the caller to + free the memory allocated. + If Size is NULL, then ASSERT(). + + @param DevicePath On input, this holds the pointer to the current device path + instance. On output, this holds the pointer to the next device + path instance or NULL if there are no more device path + instances in the device path pointer to a device path data + structure. + @param Size On output, this holds the size of the device path instance, in + bytes or zero, if DevicePath is NULL. + + @return A pointer to the current device path instance. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +GetNextDevicePathInstance ( + IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath, + OUT UINTN *Size + ); + +/** + Creates a device node. + + This function creates a new device node in a newly allocated buffer of size NodeLength and + initializes the device path node header with NodeType and NodeSubType. The new device path node + is returned. + If NodeLength is smaller than a device path header, then NULL is returned. + If there is not enough memory to allocate space for the new device path, then NULL is returned. + The memory is allocated from EFI boot services memory. It is the responsibility of the caller to + free the memory allocated. + + @param NodeType The device node type for the new device node. + @param NodeSubType The device node sub-type for the new device node. + @param NodeLength The length of the new device node. + + @return The new device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +CreateDeviceNode ( + IN UINT8 NodeType, + IN UINT8 NodeSubType, + IN UINT16 NodeLength + ); + +/** + Determines if a device path is single or multi-instance. + + This function returns TRUE if the device path specified by DevicePath is multi-instance. + Otherwise, FALSE is returned. + If DevicePath is NULL or invalid, then FALSE is returned. + + @param DevicePath A pointer to a device path data structure. + + @retval TRUE DevicePath is multi-instance. + @retval FALSE DevicePath is not multi-instance, or DevicePath is NULL or invalid. + +**/ +BOOLEAN +EFIAPI +IsDevicePathMultiInstance ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + +/** + Retrieves the device path protocol from a handle. + + This function returns the device path protocol from the handle specified by Handle. If Handle is + NULL or Handle does not contain a device path protocol, then NULL is returned. + + @param Handle The handle from which to retrieve the device path protocol. + + @return The device path protocol from the handle specified by Handle. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +DevicePathFromHandle ( + IN EFI_HANDLE Handle + ); + +/** + Allocates a device path for a file and appends it to an existing device path. + + If Device is a valid device handle that contains a device path protocol, then a device path for + the file specified by FileName is allocated and appended to the device path associated with the + handle Device. The allocated device path is returned. If Device is NULL or Device is a handle + that does not support the device path protocol, then a device path containing a single device + path node for the file specified by FileName is allocated and returned. + The memory for the new device path is allocated from EFI boot services memory. It is the responsibility + of the caller to free the memory allocated. + + If FileName is NULL, then ASSERT(). + If FileName is not aligned on a 16-bit boundary, then ASSERT(). + + @param Device A pointer to a device handle. This parameter is optional and + may be NULL. + @param FileName A pointer to a Null-terminated Unicode string. + + @return The allocated device path. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +FileDevicePath ( + IN EFI_HANDLE Device, OPTIONAL + IN CONST CHAR16 *FileName + ); + +/** + Converts a device path to its text representation. + + @param DevicePath A Pointer to the device to be converted. + @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation + of the display node is used, where applicable. If DisplayOnly + is FALSE, then the longer text representation of the display node + is used. + @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text + representation for a device node can be used, where applicable. + + @return A pointer to the allocated text representation of the device path or + NULL if DeviceNode is NULL or there was insufficient memory. + +**/ +CHAR16 * +EFIAPI +ConvertDevicePathToText ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath, + IN BOOLEAN DisplayOnly, + IN BOOLEAN AllowShortcuts + ); + +/** + Converts a device node to its string representation. + + @param DeviceNode A Pointer to the device node to be converted. + @param DisplayOnly If DisplayOnly is TRUE, then the shorter text representation + of the display node is used, where applicable. If DisplayOnly + is FALSE, then the longer text representation of the display node + is used. + @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of text + representation for a device node can be used, where applicable. + + @return A pointer to the allocated text representation of the device node or NULL if DeviceNode + is NULL or there was insufficient memory. + +**/ +CHAR16 * +EFIAPI +ConvertDeviceNodeToText ( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DeviceNode, + IN BOOLEAN DisplayOnly, + IN BOOLEAN AllowShortcuts + ); + +/** + Convert text to the binary representation of a device node. + + @param TextDeviceNode TextDeviceNode points to the text representation of a device + node. Conversion starts with the first character and continues + until the first non-device node character. + + @return A pointer to the EFI device node or NULL if TextDeviceNode is NULL or there was + insufficient memory or text unsupported. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +ConvertTextToDeviceNode ( + IN CONST CHAR16 *TextDeviceNode + ); + +/** + Convert text to the binary representation of a device path. + + @param TextDevicePath TextDevicePath points to the text representation of a device + path. Conversion starts with the first character and continues + until the first non-device node character. + + @return A pointer to the allocated device path or NULL if TextDeviceNode is NULL or + there was insufficient memory. + +**/ +EFI_DEVICE_PATH_PROTOCOL * +EFIAPI +ConvertTextToDevicePath ( + IN CONST CHAR16 *TextDevicePath + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeCoreEntryPoint.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeCoreEntryPoint.h new file mode 100644 index 0000000000..0a18966e03 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeCoreEntryPoint.h @@ -0,0 +1,93 @@ +/** @file + Module entry point library for DXE core. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MODULE_ENTRY_POINT_H__ +#define __MODULE_ENTRY_POINT_H__ + +/// +/// Global variable that contains a pointer to the Hob List passed into the DXE Core entry point. +/// +extern VOID *gHobList; + + +/** + The entry point of PE/COFF Image for the DXE Core. + + This function is the entry point for the DXE Core. This function is required to call + ProcessModuleEntryPointList() and ProcessModuleEntryPointList() is never expected to return. + The DXE Core is responsible for calling ProcessLibraryConstructorList() as soon as the EFI + System Table and the image handle for the DXE Core itself have been established. + If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system. + + @param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase. + +**/ +VOID +EFIAPI +_ModuleEntryPoint ( + IN VOID *HobStart + ); + + +/** + Required by the EBC compiler and identical in functionality to _ModuleEntryPoint(). + + This function is required to call _ModuleEntryPoint() passing in HobStart. + + @param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase. + +**/ +VOID +EFIAPI +EfiMain ( + IN VOID *HobStart + ); + + +/** + Autogenerated function that calls the library constructors for all of the module's dependent libraries. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of library constructors for the set of library instances + that a module depends on. This includes library instances that a module depends on + directly and library instances that a module depends on indirectly through other + libraries. This function is autogenerated by build tools and those build tools are + responsible for collecting the set of library instances, determine which ones have + constructors, and calling the library constructors in the proper order based upon + each of the library instances own dependencies. + + @param ImageHandle The image handle of the DXE Core. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Autogenerated function that calls a set of module entry points. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of module entry points. + This function is autogenerated by build tools and those build tools are responsible + for collecting the module entry points and calling them in a specified order. + + @param HobStart Pointer to the beginning of the HOB List passed in from the PEI Phase. + +**/ +VOID +EFIAPI +ProcessModuleEntryPointList ( + IN VOID *HobStart + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeServicesLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeServicesLib.h new file mode 100644 index 0000000000..54040e8289 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeServicesLib.h @@ -0,0 +1,324 @@ +/** @file + MDE DXE Services Library provides functions that simplify the development of DXE Drivers. + These functions help access data from sections of FFS files or from file path. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __DXE_SERVICES_LIB_H__ +#define __DXE_SERVICES_LIB_H__ + +/** + Searches all the available firmware volumes and returns the first matching FFS section. + + This function searches all the firmware volumes for FFS files with FV file type specified by FileType + The order that the firmware volumes is searched is not deterministic. For each available FV a search + is made for FFS file of type FileType. If the FV contains more than one FFS file with the same FileType, + the FileInstance instance will be the matched FFS file. For each FFS file found a search + is made for FFS sections of type SectionType. If the FFS file contains at least SectionInstance instances + of the FFS section specified by SectionType, then the SectionInstance instance is returned in Buffer. + Buffer is allocated using AllocatePool(), and the size of the allocated buffer is returned in Size. + It is the caller's responsibility to use FreePool() to free the allocated buffer. + See EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection() for details on how sections + are retrieved from an FFS file based on SectionType and SectionInstance. + + If SectionType is EFI_SECTION_TE, and the search with an FFS file fails, + the search will be retried with a section type of EFI_SECTION_PE32. + This function must be called with a TPL <= TPL_NOTIFY. + + If Buffer is NULL, then ASSERT(). + If Size is NULL, then ASSERT(). + + @param FileType Indicates the FV file type to search for within all available FVs. + @param FileInstance Indicates which file instance within all available FVs specified by FileType. + FileInstance starts from zero. + @param SectionType Indicates the FFS section type to search for within the FFS file + specified by FileType with FileInstance. + @param SectionInstance Indicates which section instance within the FFS file + specified by FileType with FileInstance to retrieve. SectionInstance starts from zero. + @param Buffer On output, a pointer to a callee allocated buffer containing the FFS file section that was found. + Is it the caller's responsibility to free this buffer using FreePool(). + @param Size On output, a pointer to the size, in bytes, of Buffer. + + @retval EFI_SUCCESS The specified FFS section was returned. + @retval EFI_NOT_FOUND The specified FFS section could not be found. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to retrieve the matching FFS section. + @retval EFI_DEVICE_ERROR The FFS section could not be retrieves due to a device error. + @retval EFI_ACCESS_DENIED The FFS section could not be retrieves because the firmware volume that + contains the matching FFS section does not allow reads. +**/ +EFI_STATUS +EFIAPI +GetSectionFromAnyFvByFileType ( + IN EFI_FV_FILETYPE FileType, + IN UINTN FileInstance, + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + OUT VOID **Buffer, + OUT UINTN *Size + ); + +/** + Searches all the available firmware volumes and returns the first matching FFS section. + + This function searches all the firmware volumes for FFS files with an FFS filename specified by NameGuid. + The order in which the firmware volumes are searched is not deterministic. For each FFS file found, a search + is made for FFS sections of type SectionType. If the FFS file contains at least SectionInstance instances + of the FFS section specified by SectionType, then the SectionInstance instance is returned in Buffer. + Buffer is allocated using AllocatePool(), and the size of the allocated buffer is returned in Size. + It is the caller's responsibility to use FreePool() to free the allocated buffer. + See EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection() for details on how sections + are retrieved from an FFS file based on SectionType and SectionInstance. + + If SectionType is EFI_SECTION_TE, and the search with an FFS file fails, + the search will be retried with a section type of EFI_SECTION_PE32. + This function must be called with a TPL <= TPL_NOTIFY. + + If NameGuid is NULL, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If Size is NULL, then ASSERT(). + + + @param NameGuid A pointer to to the FFS filename GUID to search for + within any of the firmware volumes in the platform. + @param SectionType Indicates the FFS section type to search for within + the FFS file specified by NameGuid. + @param SectionInstance Indicates which section instance within the FFS file + specified by NameGuid to retrieve. + @param Buffer On output, a pointer to a callee-allocated buffer + containing the FFS file section that was found. + It is the caller's responsibility to free this + buffer using FreePool(). + @param Size On output, a pointer to the size, in bytes, of Buffer. + + @retval EFI_SUCCESS The specified FFS section was returned. + @retval EFI_NOT_FOUND The specified FFS section could not be found. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to retrieve + the matching FFS section. + @retval EFI_DEVICE_ERROR The FFS section could not be retrieves due to a + device error. + @retval EFI_ACCESS_DENIED The FFS section could not be retrieves because the + firmware volume that contains the matching FFS + section does not allow reads. +**/ +EFI_STATUS +EFIAPI +GetSectionFromAnyFv ( + IN CONST EFI_GUID *NameGuid, + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + OUT VOID **Buffer, + OUT UINTN *Size + ); + +/** + Searches the firmware volume that the currently executing module was loaded from and returns the first matching FFS section. + + This function searches the firmware volume that the currently executing module was loaded + from for an FFS file with an FFS filename specified by NameGuid. If the FFS file is found, a search + is made for FFS sections of type SectionType. If the FFS file contains at least SectionInstance + instances of the FFS section specified by SectionType, then the SectionInstance instance is returned in Buffer. + Buffer is allocated using AllocatePool(), and the size of the allocated buffer is returned in Size. + It is the caller's responsibility to use FreePool() to free the allocated buffer. + See EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection() for details on how sections are retrieved from + an FFS file based on SectionType and SectionInstance. + + If the currently executing module was not loaded from a firmware volume, then EFI_NOT_FOUND is returned. + If SectionType is EFI_SECTION_TE, and the search with an FFS file fails, + the search will be retried with a section type of EFI_SECTION_PE32. + + This function must be called with a TPL <= TPL_NOTIFY. + If NameGuid is NULL, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If Size is NULL, then ASSERT(). + + @param NameGuid A pointer to to the FFS filename GUID to search for + within the firmware volumes that the currently + executing module was loaded from. + @param SectionType Indicates the FFS section type to search for within + the FFS file specified by NameGuid. + @param SectionInstance Indicates which section instance within the FFS + file specified by NameGuid to retrieve. + @param Buffer On output, a pointer to a callee allocated buffer + containing the FFS file section that was found. + It is the caller's responsibility to free this buffer + using FreePool(). + @param Size On output, a pointer to the size, in bytes, of Buffer. + + + @retval EFI_SUCCESS The specified FFS section was returned. + @retval EFI_NOT_FOUND The specified FFS section could not be found. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to retrieve + the matching FFS section. + @retval EFI_DEVICE_ERROR The FFS section could not be retrieves due to a + device error. + @retval EFI_ACCESS_DENIED The FFS section could not be retrieves because the + firmware volume that contains the matching FFS + section does not allow reads. +**/ +EFI_STATUS +EFIAPI +GetSectionFromFv ( + IN CONST EFI_GUID *NameGuid, + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + OUT VOID **Buffer, + OUT UINTN *Size + ); + + +/** + Searches the FFS file the currently executing module was loaded from and returns the first matching FFS section. + + This function searches the FFS file that the currently executing module was loaded from for a FFS sections of type SectionType. + If the FFS file contains at least SectionInstance instances of the FFS section specified by SectionType, + then the SectionInstance instance is returned in Buffer. Buffer is allocated using AllocatePool(), + and the size of the allocated buffer is returned in Size. It is the caller's responsibility + to use FreePool() to free the allocated buffer. See EFI_FIRMWARE_VOLUME2_PROTOCOL.ReadSection() for + details on how sections are retrieved from an FFS file based on SectionType and SectionInstance. + + If the currently executing module was not loaded from an FFS file, then EFI_NOT_FOUND is returned. + If SectionType is EFI_SECTION_TE, and the search with an FFS file fails, + the search will be retried with a section type of EFI_SECTION_PE32. + This function must be called with a TPL <= TPL_NOTIFY. + + If Buffer is NULL, then ASSERT(). + If Size is NULL, then ASSERT(). + + + @param SectionType Indicates the FFS section type to search for within + the FFS file that the currently executing module + was loaded from. + @param SectionInstance Indicates which section instance to retrieve within + the FFS file that the currently executing module + was loaded from. + @param Buffer On output, a pointer to a callee allocated buffer + containing the FFS file section that was found. + It is the caller's responsibility to free this buffer + using FreePool(). + @param Size On output, a pointer to the size, in bytes, of Buffer. + + @retval EFI_SUCCESS The specified FFS section was returned. + @retval EFI_NOT_FOUND The specified FFS section could not be found. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to retrieve + the matching FFS section. + @retval EFI_DEVICE_ERROR The FFS section could not be retrieves due to a + device error. + @retval EFI_ACCESS_DENIED The FFS section could not be retrieves because the + firmware volume that contains the matching FFS + section does not allow reads. + +**/ +EFI_STATUS +EFIAPI +GetSectionFromFfs ( + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + OUT VOID **Buffer, + OUT UINTN *Size + ); + + +/** + Get the image file buffer data and buffer size by its device path. + + Access the file either from a firmware volume, from a file system interface, + or from the load file interface. + + Allocate memory to store the found image. The caller is responsible to free memory. + + If FilePath is NULL, then NULL is returned. + If FileSize is NULL, then NULL is returned. + If AuthenticationStatus is NULL, then NULL is returned. + + @param[in] BootPolicy The policy for Open Image File.If TRUE, + indicates that the request originates from + the boot manager, and that the boot manager is + attempting to load FilePath as a boot selection. + If FALSE, then FilePath must match an exact + file to be loaded. + @param[in] FilePath Pointer to the device path of the file that is abstracted to + the file buffer. + @param[out] FileSize Pointer to the size of the abstracted file buffer. + @param[out] AuthenticationStatus Pointer to the authentication status. + + @retval NULL FilePath is NULL, or FileSize is NULL, or AuthenticationStatus is NULL, or the file can't be found. + @retval other The abstracted file buffer. The caller is responsible to free memory. +**/ +VOID * +EFIAPI +GetFileBufferByFilePath ( + IN BOOLEAN BootPolicy, + IN CONST EFI_DEVICE_PATH_PROTOCOL *FilePath, + OUT UINTN *FileSize, + OUT UINT32 *AuthenticationStatus + ); + +/** + Searches all the available firmware volumes and returns the file device path of first matching + FFS section. + + This function searches all the firmware volumes for FFS files with an FFS filename specified by NameGuid. + The order that the firmware volumes is searched is not deterministic. For each FFS file found a search + is made for FFS sections of type SectionType. + + If SectionType is EFI_SECTION_TE, and the search with an FFS file fails, + the search will be retried with a section type of EFI_SECTION_PE32. + This function must be called with a TPL <= TPL_NOTIFY. + + If NameGuid is NULL, then ASSERT(). + + @param NameGuid A pointer to to the FFS filename GUID to search for + within any of the firmware volumes in the platform. + @param SectionType Indicates the FFS section type to search for within + the FFS file specified by NameGuid. + @param SectionInstance Indicates which section instance within the FFS file + specified by NameGuid to retrieve. + @param FvFileDevicePath Device path for the target FFS + file. + + @retval EFI_SUCCESS The specified file device path of FFS section was returned. + @retval EFI_NOT_FOUND The specified file device path of FFS section could not be found. + @retval EFI_DEVICE_ERROR The FFS section could not be retrieves due to a + device error. + @retval EFI_ACCESS_DENIED The FFS section could not be retrieves because the + firmware volume that contains the matching FFS section does not + allow reads. + @retval EFI_INVALID_PARAMETER FvFileDevicePath is NULL. + +**/ +EFI_STATUS +EFIAPI +GetFileDevicePathFromAnyFv ( + IN CONST EFI_GUID *NameGuid, + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + OUT EFI_DEVICE_PATH_PROTOCOL **FvFileDevicePath + ); + +/** + Allocates one or more 4KB pages of a given type from a memory region that is + accessible to PEI. + + Allocates the number of 4KB pages of type 'MemoryType' and returns a + pointer to the allocated buffer. The buffer returned is aligned on a 4KB + boundary. If Pages is 0, then NULL is returned. If there is not enough + memory remaining to satisfy the request, then NULL is returned. + + @param[in] MemoryType The memory type to allocate + @param[in] Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocatePeiAccessiblePages ( + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeServicesTableLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeServicesTableLib.h new file mode 100644 index 0000000000..d604f41747 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/DxeServicesTableLib.h @@ -0,0 +1,28 @@ +/** @file + Provides a service to retrieve a pointer to the DXE Services Table. + Only available to DXE module types. + + This library does not contain any functions or macros. It simply exports a global + pointer to the DXE Services Table as defined in the Platform Initialization Driver + Execution Environment Core Interface Specification. The library constructor must + initialize this global pointer to the DX Services Table, so it is available at the + module's entry point. Since there is overhead in looking up the pointer to the DXE + Services Table, only those modules that actually require access to the DXE Services + Table should use this library. This will typically be DXE Drivers that require GCD + or Dispatcher services. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __DXE_SERVICES_TABLE_LIB_H__ +#define __DXE_SERVICES_TABLE_LIB_H__ + +/// +/// Cache copy of the DXE Services Table +/// +extern EFI_DXE_SERVICES *gDS; + +#endif + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ExtractGuidedSectionLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ExtractGuidedSectionLib.h new file mode 100644 index 0000000000..95c7670ada --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ExtractGuidedSectionLib.h @@ -0,0 +1,278 @@ +/** @file + This library provides common functions to process the different guided section data. + + This library provides functions to process GUIDed sections of FFS files. Handlers may + be registered to decode GUIDed sections of FFS files. Services are provided to determine + the set of supported section GUIDs, collection information about a specific GUIDed section, + and decode a specific GUIDed section. + + A library instance that produces this library class may be used to produce a + EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI or a EFI_GUIDED_SECTION_EXTRACTION_PROTOCOL + providing a simple method to extend the number of GUIDed sections types a platform supports. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef __EXTRACT_GUIDED_SECTION_H__ +#define __EXTRACT_GUIDED_SECTION_H__ + +/** + Examines a GUIDed section and returns the size of the decoded buffer and the + size of an optional scratch buffer required to actually decode the data in a GUIDed section. + + Examines a GUIDed section specified by InputSection. + If GUID for InputSection does not match the GUID that this handler supports, + then RETURN_UNSUPPORTED is returned. + If the required information can not be retrieved from InputSection, + then RETURN_INVALID_PARAMETER is returned. + If the GUID of InputSection does match the GUID that this handler supports, + then the size required to hold the decoded buffer is returned in OututBufferSize, + the size of an optional scratch buffer is returned in ScratchSize, and the Attributes field + from EFI_GUID_DEFINED_SECTION header of InputSection is returned in SectionAttribute. + + If InputSection is NULL, then ASSERT(). + If OutputBufferSize is NULL, then ASSERT(). + If ScratchBufferSize is NULL, then ASSERT(). + If SectionAttribute is NULL, then ASSERT(). + + + @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file. + @param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required + if the buffer specified by InputSection were decoded. + @param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space + if the buffer specified by InputSection were decoded. + @param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes + field of EFI_GUID_DEFINED_SECTION in the PI Specification. + + @retval RETURN_SUCCESS The information about InputSection was returned. + @retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports. + @retval RETURN_INVALID_PARAMETER The information can not be retrieved from the section specified by InputSection. + +**/ +typedef +RETURN_STATUS +(EFIAPI *EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER)( + IN CONST VOID *InputSection, + OUT UINT32 *OutputBufferSize, + OUT UINT32 *ScratchBufferSize, + OUT UINT16 *SectionAttribute + ); + +/** + Decodes a GUIDed section into a caller allocated output buffer. + + Decodes the GUIDed section specified by InputSection. + If GUID for InputSection does not match the GUID that this handler supports, then RETURN_UNSUPPORTED is returned. + If the data in InputSection can not be decoded, then RETURN_INVALID_PARAMETER is returned. + If the GUID of InputSection does match the GUID that this handler supports, then InputSection + is decoded into the buffer specified by OutputBuffer and the authentication status of this + decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the + data in InputSection, then OutputBuffer is set to point at the data in InputSection. Otherwise, + the decoded data will be placed in caller allocated buffer specified by OutputBuffer. + + If InputSection is NULL, then ASSERT(). + If OutputBuffer is NULL, then ASSERT(). + If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT(). + If AuthenticationStatus is NULL, then ASSERT(). + + + @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file. + @param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation. + @param[out] ScratchBuffer A caller allocated buffer that may be required by this function + as a scratch buffer to perform the decode operation. + @param[out] AuthenticationStatus + A pointer to the authentication status of the decoded output buffer. + See the definition of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI + section of the PI Specification. EFI_AUTH_STATUS_PLATFORM_OVERRIDE must + never be set by this handler. + + @retval RETURN_SUCCESS The buffer specified by InputSection was decoded. + @retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports. + @retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded. + +**/ +typedef +RETURN_STATUS +(EFIAPI *EXTRACT_GUIDED_SECTION_DECODE_HANDLER)( + IN CONST VOID *InputSection, + OUT VOID **OutputBuffer, + IN VOID *ScratchBuffer, OPTIONAL + OUT UINT32 *AuthenticationStatus + ); + +/** + Registers handlers of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER and EXTRACT_GUIDED_SECTION_DECODE_HANDLER + for a specific GUID section type. + + Registers the handlers specified by GetInfoHandler and DecodeHandler with the GUID specified by SectionGuid. + If the GUID value specified by SectionGuid has already been registered, then return RETURN_ALREADY_STARTED. + If there are not enough resources available to register the handlers then RETURN_OUT_OF_RESOURCES is returned. + + If SectionGuid is NULL, then ASSERT(). + If GetInfoHandler is NULL, then ASSERT(). + If DecodeHandler is NULL, then ASSERT(). + + @param[in] SectionGuid A pointer to the GUID associated with the the handlers + of the GUIDed section type being registered. + @param[in] GetInfoHandler Pointer to a function that examines a GUIDed section and returns the + size of the decoded buffer and the size of an optional scratch buffer + required to actually decode the data in a GUIDed section. + @param[in] DecodeHandler Pointer to a function that decodes a GUIDed section into a caller + allocated output buffer. + + @retval RETURN_SUCCESS The handlers were registered. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to register the handlers. + +**/ +RETURN_STATUS +EFIAPI +ExtractGuidedSectionRegisterHandlers ( + IN CONST GUID *SectionGuid, + IN EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER GetInfoHandler, + IN EXTRACT_GUIDED_SECTION_DECODE_HANDLER DecodeHandler + ); + +/** + Retrieve the list GUIDs that have been registered through ExtractGuidedSectionRegisterHandlers(). + + Sets ExtractHandlerGuidTable so it points at a callee allocated array of registered GUIDs. + The total number of GUIDs in the array are returned. Since the array of GUIDs is callee allocated + and caller must treat this array of GUIDs as read-only data. + If ExtractHandlerGuidTable is NULL, then ASSERT(). + + @param[out] ExtractHandlerGuidTable A pointer to the array of GUIDs that have been registered through + ExtractGuidedSectionRegisterHandlers(). + + @return the number of the supported extract guided Handler. + +**/ +UINTN +EFIAPI +ExtractGuidedSectionGetGuidList ( + OUT GUID **ExtractHandlerGuidTable + ); + +/** + Retrieves a GUID from a GUIDed section and uses that GUID to select an associated handler of type + EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers(). + The selected handler is used to retrieve and return the size of the decoded buffer and the size of an + optional scratch buffer required to actually decode the data in a GUIDed section. + + Examines a GUIDed section specified by InputSection. + If GUID for InputSection does not match any of the GUIDs registered through ExtractGuidedSectionRegisterHandlers(), + then RETURN_UNSUPPORTED is returned. + If the GUID of InputSection does match the GUID that this handler supports, then the the associated handler + of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers() + is used to retrieve the OututBufferSize, ScratchSize, and Attributes values. The return status from the handler of + type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER is returned. + + If InputSection is NULL, then ASSERT(). + If OutputBufferSize is NULL, then ASSERT(). + If ScratchBufferSize is NULL, then ASSERT(). + If SectionAttribute is NULL, then ASSERT(). + + @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file. + @param[out] OutputBufferSize A pointer to the size, in bytes, of an output buffer required if the buffer + specified by InputSection were decoded. + @param[out] ScratchBufferSize A pointer to the size, in bytes, required as scratch space if the buffer specified by + InputSection were decoded. + @param[out] SectionAttribute A pointer to the attributes of the GUIDed section. See the Attributes field of + EFI_GUID_DEFINED_SECTION in the PI Specification. + + @retval RETURN_SUCCESS Get the required information successfully. + @retval RETURN_UNSUPPORTED The GUID from the section specified by InputSection does not match any of + the GUIDs registered with ExtractGuidedSectionRegisterHandlers(). + @retval Others The return status from the handler associated with the GUID retrieved from + the section specified by InputSection. + +**/ +RETURN_STATUS +EFIAPI +ExtractGuidedSectionGetInfo ( + IN CONST VOID *InputSection, + OUT UINT32 *OutputBufferSize, + OUT UINT32 *ScratchBufferSize, + OUT UINT16 *SectionAttribute + ); + +/** + Retrieves the GUID from a GUIDed section and uses that GUID to select an associated handler of type + EXTRACT_GUIDED_SECTION_DECODE_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers(). + The selected handler is used to decode the data in a GUIDed section and return the result in a caller + allocated output buffer. + + Decodes the GUIDed section specified by InputSection. + If GUID for InputSection does not match any of the GUIDs registered through ExtractGuidedSectionRegisterHandlers(), + then RETURN_UNSUPPORTED is returned. + If the GUID of InputSection does match the GUID that this handler supports, then the the associated handler + of type EXTRACT_GUIDED_SECTION_DECODE_HANDLER that was registered with ExtractGuidedSectionRegisterHandlers() + is used to decode InputSection into the buffer specified by OutputBuffer and the authentication status of this + decode operation is returned in AuthenticationStatus. If the decoded buffer is identical to the data in InputSection, + then OutputBuffer is set to point at the data in InputSection. Otherwise, the decoded data will be placed in caller + allocated buffer specified by OutputBuffer. This function is responsible for computing the EFI_AUTH_STATUS_PLATFORM_OVERRIDE + bit of in AuthenticationStatus. The return status from the handler of type EXTRACT_GUIDED_SECTION_DECODE_HANDLER is returned. + + If InputSection is NULL, then ASSERT(). + If OutputBuffer is NULL, then ASSERT(). + If ScratchBuffer is NULL and this decode operation requires a scratch buffer, then ASSERT(). + If AuthenticationStatus is NULL, then ASSERT(). + + @param[in] InputSection A pointer to a GUIDed section of an FFS formatted file. + @param[out] OutputBuffer A pointer to a buffer that contains the result of a decode operation. + @param[in] ScratchBuffer A caller allocated buffer that may be required by this function as a scratch buffer to perform the decode operation. + @param[out] AuthenticationStatus + A pointer to the authentication status of the decoded output buffer. See the definition + of authentication status in the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI section of the PI + Specification. + + @retval RETURN_SUCCESS The buffer specified by InputSection was decoded. + @retval RETURN_UNSUPPORTED The section specified by InputSection does not match the GUID this handler supports. + @retval RETURN_INVALID_PARAMETER The section specified by InputSection can not be decoded. + +**/ +RETURN_STATUS +EFIAPI +ExtractGuidedSectionDecode ( + IN CONST VOID *InputSection, + OUT VOID **OutputBuffer, + IN VOID *ScratchBuffer, OPTIONAL + OUT UINT32 *AuthenticationStatus + ); + +/** + Retrieves handlers of type EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER and + EXTRACT_GUIDED_SECTION_DECODE_HANDLER for a specific GUID section type. + + Retrieves the handlers associated with SectionGuid and returns them in + GetInfoHandler and DecodeHandler. + + If the GUID value specified by SectionGuid has not been registered, then + return RETURN_NOT_FOUND. + + If SectionGuid is NULL, then ASSERT(). + + @param[in] SectionGuid A pointer to the GUID associated with the handlersof the GUIDed + section type being retrieved. + @param[out] GetInfoHandler Pointer to a function that examines a GUIDed section and returns + the size of the decoded buffer and the size of an optional scratch + buffer required to actually decode the data in a GUIDed section. + This is an optional parameter that may be NULL. If it is NULL, then + the previously registered handler is not returned. + @param[out] DecodeHandler Pointer to a function that decodes a GUIDed section into a caller + allocated output buffer. This is an optional parameter that may be NULL. + If it is NULL, then the previously registered handler is not returned. + + @retval RETURN_SUCCESS The handlers were retrieved. + @retval RETURN_NOT_FOUND No handlers have been registered with the specified GUID. + +**/ +RETURN_STATUS +EFIAPI +ExtractGuidedSectionGetHandlers ( + IN CONST GUID *SectionGuid, + OUT EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *GetInfoHandler, OPTIONAL + OUT EXTRACT_GUIDED_SECTION_DECODE_HANDLER *DecodeHandler OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/FileHandleLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/FileHandleLib.h new file mode 100644 index 0000000000..c473c668ba --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/FileHandleLib.h @@ -0,0 +1,501 @@ +/** @file + Provides interface to EFI_FILE_HANDLE functionality. + + Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _FILE_HANDLE_LIBRARY_HEADER_ +#define _FILE_HANDLE_LIBRARY_HEADER_ + +#include <Protocol/SimpleFileSystem.h> +#include <Guid/FileInfo.h> + +/// The tag for use in identifying UNICODE files. +/// If the file is UNICODE, the first 16 bits of the file will equal this value. +extern CONST UINT16 gUnicodeFileTag; + +/** + This function retrieves information about the file for the handle + specified and stores it in the allocated pool memory. + + This function allocates a buffer to store the file's information. It is the + caller's responsibility to free the buffer. + + @param[in] FileHandle The file handle of the file for which information is + being requested. + + @retval NULL Information could not be retrieved. + @retval !NULL The information about the file. +**/ +EFI_FILE_INFO* +EFIAPI +FileHandleGetInfo ( + IN EFI_FILE_HANDLE FileHandle + ); + +/** + This function sets the information about the file for the opened handle + specified. + + @param[in] FileHandle The file handle of the file for which information + is being set. + + @param[in] FileInfo The information to set. + + @retval EFI_SUCCESS The information was set. + @retval EFI_INVALID_PARAMETER A parameter was out of range or invalid. + @retval EFI_UNSUPPORTED The FileHandle does not support FileInfo. + @retval EFI_NO_MEDIA The device has no medium. + @retval EFI_DEVICE_ERROR The device reported an error. + @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. + @retval EFI_WRITE_PROTECTED The file or medium is write protected. + @retval EFI_ACCESS_DENIED The file was opened read only. + @retval EFI_VOLUME_FULL The volume is full. +**/ +EFI_STATUS +EFIAPI +FileHandleSetInfo ( + IN EFI_FILE_HANDLE FileHandle, + IN CONST EFI_FILE_INFO *FileInfo + ); + +/** + This function reads information from an opened file. + + If FileHandle is not a directory, the function reads the requested number of + bytes from the file at the file's current position and returns them in Buffer. + If the read goes beyond the end of the file, the read length is truncated to the + end of the file. The file's current position is increased by the number of bytes + returned. If FileHandle is a directory, the function reads the directory entry + at the file's current position and returns the entry in Buffer. If the Buffer + is not large enough to hold the current directory entry, then + EFI_BUFFER_TOO_SMALL is returned and the current file position is not updated. + BufferSize is set to be the size of the buffer needed to read the entry. On + success, the current position is updated to the next directory entry. If there + are no more directory entries, the read returns a zero-length buffer. + EFI_FILE_INFO is the structure returned as the directory entry. + + @param[in] FileHandle The opened file handle. + @param[in, out] BufferSize On input, the size of buffer in bytes. On return, + the number of bytes written. + @param[out] Buffer The buffer to put read data into. + + @retval EFI_SUCCESS Data was read. + @retval EFI_NO_MEDIA The device has no media. + @retval EFI_DEVICE_ERROR The device reported an error. + @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. + @retval EFI_BUFFER_TO_SMALL Buffer is too small. ReadSize contains required + size. + +**/ +EFI_STATUS +EFIAPI +FileHandleRead( + IN EFI_FILE_HANDLE FileHandle, + IN OUT UINTN *BufferSize, + OUT VOID *Buffer + ); + +/** + Write data to a file. + + This function writes the specified number of bytes to the file at the current + file position. The current file position is advanced the actual number of bytes + written, which is returned in BufferSize. Partial writes only occur when there + has been a data error during the write attempt (such as "volume space full"). + The file is automatically grown to hold the data if required. Direct writes to + opened directories are not supported. + + @param[in] FileHandle The opened file for writing. + @param[in, out] BufferSize On input, the number of bytes in Buffer. On output, + the number of bytes written. + @param[in] Buffer The buffer containing data to write is stored. + + @retval EFI_SUCCESS Data was written. + @retval EFI_UNSUPPORTED Writes to an open directory are not supported. + @retval EFI_NO_MEDIA The device has no media. + @retval EFI_DEVICE_ERROR The device reported an error. + @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. + @retval EFI_WRITE_PROTECTED The device is write-protected. + @retval EFI_ACCESS_DENIED The file was opened for read only. + @retval EFI_VOLUME_FULL The volume is full. +**/ +EFI_STATUS +EFIAPI +FileHandleWrite( + IN EFI_FILE_HANDLE FileHandle, + IN OUT UINTN *BufferSize, + IN VOID *Buffer + ); + +/** + Close an open file handle. + + This function closes a specified file handle. All "dirty" cached file data is + flushed to the device, and the file is closed. In all cases the handle is + closed. + + @param[in] FileHandle The file handle to close. + + @retval EFI_SUCCESS The file handle was closed successfully. +**/ +EFI_STATUS +EFIAPI +FileHandleClose ( + IN EFI_FILE_HANDLE FileHandle + ); + +/** + Delete a file and close the handle. + + This function closes and deletes a file. In all cases the file handle is closed. + If the file cannot be deleted, the warning code EFI_WARN_DELETE_FAILURE is + returned, but the handle is still closed. + + @param[in] FileHandle The file handle to delete. + + @retval EFI_SUCCESS The file was closed successfully. + @retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not + deleted. + @retval INVALID_PARAMETER One of the parameters has an invalid value. +**/ +EFI_STATUS +EFIAPI +FileHandleDelete ( + IN EFI_FILE_HANDLE FileHandle + ); + +/** + Set the current position in a file. + + This function sets the current file position for the handle to the position + supplied. With the exception of moving to position 0xFFFFFFFFFFFFFFFF, only + absolute positioning is supported, and moving past the end of the file is + allowed (a subsequent write would grow the file). Moving to position + 0xFFFFFFFFFFFFFFFF causes the current position to be set to the end of the file. + If FileHandle is a directory, the only position that may be set is zero. This + has the effect of starting the read process of the directory entries over again. + + @param[in] FileHandle The file handle on which the position is being set. + @param[in] Position The byte position from the beginning of the file. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_UNSUPPORTED The request for non-zero is not valid on + directories. + @retval INVALID_PARAMETER One of the parameters has an invalid value. +**/ +EFI_STATUS +EFIAPI +FileHandleSetPosition ( + IN EFI_FILE_HANDLE FileHandle, + IN UINT64 Position + ); + +/** + Gets a file's current position. + + This function retrieves the current file position for the file handle. For + directories, the current file position has no meaning outside of the file + system driver. As such, the operation is not supported. An error is returned + if FileHandle is a directory. + + @param[in] FileHandle The open file handle on which to get the position. + @param[out] Position The byte position from beginning of file. + + @retval EFI_SUCCESS The operation completed successfully. + @retval INVALID_PARAMETER One of the parameters has an invalid value. + @retval EFI_UNSUPPORTED The request is not valid on directories. +**/ +EFI_STATUS +EFIAPI +FileHandleGetPosition ( + IN EFI_FILE_HANDLE FileHandle, + OUT UINT64 *Position + ); +/** + Flushes data on a file. + + This function flushes all modified data associated with a file to a device. + + @param[in] FileHandle The file handle on which to flush data. + + @retval EFI_SUCCESS The data was flushed. + @retval EFI_NO_MEDIA The device has no media. + @retval EFI_DEVICE_ERROR The device reported an error. + @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. + @retval EFI_WRITE_PROTECTED The file or medium is write protected. + @retval EFI_ACCESS_DENIED The file was opened for read only. +**/ +EFI_STATUS +EFIAPI +FileHandleFlush ( + IN EFI_FILE_HANDLE FileHandle + ); + +/** + Function to determine if a given handle is a directory handle. + + Open the file information on the DirHandle and verify that the Attribute + includes EFI_FILE_DIRECTORY bit set. + + @param[in] DirHandle Handle to open file. + + @retval EFI_SUCCESS DirHandle is a directory. + @retval EFI_INVALID_PARAMETER DirHandle is NULL. + The file information returns from FileHandleGetInfo is NULL. + @retval EFI_NOT_FOUND DirHandle is not a directory. +**/ +EFI_STATUS +EFIAPI +FileHandleIsDirectory ( + IN EFI_FILE_HANDLE DirHandle + ); + +/** Retrieve first entry from a directory. + + This function takes an open directory handle and gets information from the + first entry in the directory. A buffer is allocated to contain + the information and a pointer to the buffer is returned in *Buffer. The + caller can use FileHandleFindNextFile() to get subsequent directory entries. + + The buffer will be freed by FileHandleFindNextFile() when the last directory + entry is read. Otherwise, the caller must free the buffer, using FreePool, + when finished with it. + + @param[in] DirHandle The file handle of the directory to search. + @param[out] Buffer The pointer to pointer to buffer for file's information. + + @retval EFI_SUCCESS Found the first file. + @retval EFI_NOT_FOUND Cannot find the directory. + @retval EFI_NO_MEDIA The device has no media. + @retval EFI_DEVICE_ERROR The device reported an error. + @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. + @return Others The status of FileHandleGetInfo, FileHandleSetPosition, + or FileHandleRead. +**/ +EFI_STATUS +EFIAPI +FileHandleFindFirstFile ( + IN EFI_FILE_HANDLE DirHandle, + OUT EFI_FILE_INFO **Buffer + ); + +/** Retrieve next entries from a directory. + + To use this function, the caller must first call the FileHandleFindFirstFile() + function to get the first directory entry. Subsequent directory entries are + retrieved by using the FileHandleFindNextFile() function. This function can + be called several times to get each entry from the directory. If the call of + FileHandleFindNextFile() retrieved the last directory entry, the next call of + this function will set *NoFile to TRUE and free the buffer. + + @param[in] DirHandle The file handle of the directory. + @param[out] Buffer The pointer to buffer for file's information. + @param[out] NoFile The pointer to boolean when last file is found. + + @retval EFI_SUCCESS Found the next file, or reached last file. + @retval EFI_NO_MEDIA The device has no media. + @retval EFI_DEVICE_ERROR The device reported an error. + @retval EFI_VOLUME_CORRUPTED The file system structures are corrupted. +**/ +EFI_STATUS +EFIAPI +FileHandleFindNextFile( + IN EFI_FILE_HANDLE DirHandle, + OUT EFI_FILE_INFO *Buffer, + OUT BOOLEAN *NoFile + ); + +/** + Retrieve the size of a file. + + This function extracts the file size info from the FileHandle's EFI_FILE_INFO + data. + + @param[in] FileHandle The file handle from which size is retrieved. + @param[out] Size The pointer to size. + + @retval EFI_SUCCESS Operation was completed successfully. + @retval EFI_DEVICE_ERROR Cannot access the file. + @retval EFI_INVALID_PARAMETER FileHandle is NULL. + Size is NULL. +**/ +EFI_STATUS +EFIAPI +FileHandleGetSize ( + IN EFI_FILE_HANDLE FileHandle, + OUT UINT64 *Size + ); + +/** + Set the size of a file. + + This function changes the file size info from the FileHandle's EFI_FILE_INFO + data. + + @param[in] FileHandle The file handle whose size is to be changed. + @param[in] Size The new size. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_DEVICE_ERROR Cannot access the file. + @retval EFI_INVALID_PARAMETER FileHandle is NULL. +**/ +EFI_STATUS +EFIAPI +FileHandleSetSize ( + IN EFI_FILE_HANDLE FileHandle, + IN UINT64 Size + ); + +/** + Function to get a full filename given a EFI_FILE_HANDLE somewhere lower on the + directory 'stack'. If the file is a directory, then append the '\' char at the + end of name string. If it's not a directory, then the last '\' should not be + added. + + @param[in] Handle Handle to the Directory or File to create path to. + @param[out] FullFileName Pointer to pointer to generated full file name. It + is the responsibility of the caller to free this memory + with a call to FreePool(). + @retval EFI_SUCCESS The operation was successful and FullFileName is valid. + @retval EFI_INVALID_PARAMETER Handle was NULL. + @retval EFI_INVALID_PARAMETER FullFileName was NULL. + @retval EFI_OUT_OF_MEMORY A memory allocation failed. +**/ +EFI_STATUS +EFIAPI +FileHandleGetFileName ( + IN CONST EFI_FILE_HANDLE Handle, + OUT CHAR16 **FullFileName + ); + +/** + Function to read a single line (up to but not including the \n) from a file. + + If the position upon start is 0, then the Ascii Boolean will be set. This should be + maintained and not changed for all operations with the same file. + The function will not return the \r and \n character in buffer. When an empty line is + read a CHAR_NULL character will be returned in buffer. + + @param[in] Handle FileHandle to read from. + @param[in, out] Buffer The pointer to buffer to read into. + @param[in, out] Size The pointer to number of bytes in Buffer. + @param[in] Truncate If the buffer is large enough, this has no effect. + If the buffer is is too small and Truncate is TRUE, + the line will be truncated. + If the buffer is is too small and Truncate is FALSE, + then no read will occur. + + @param[in, out] Ascii Boolean value for indicating whether the file is + Ascii (TRUE) or UCS2 (FALSE). + + @retval EFI_SUCCESS The operation was successful. The line is stored in + Buffer. + @retval EFI_INVALID_PARAMETER Handle was NULL. + @retval EFI_INVALID_PARAMETER Size was NULL. + @retval EFI_BUFFER_TOO_SMALL Size was not large enough to store the line. + Size was updated to the minimum space required. + @sa FileHandleRead +**/ +EFI_STATUS +EFIAPI +FileHandleReadLine( + IN EFI_FILE_HANDLE Handle, + IN OUT CHAR16 *Buffer, + IN OUT UINTN *Size, + IN BOOLEAN Truncate, + IN OUT BOOLEAN *Ascii + ); + +/** + Function to read a single line from a file. The \n is not included in the returned + buffer. The returned buffer must be callee freed. + + If the position upon start is 0, then the Ascii Boolean will be set. This should be + maintained and not changed for all operations with the same file. + + @param[in] Handle FileHandle to read from. + @param[in, out] Ascii Boolean value for indicating whether the file is + Ascii (TRUE) or UCS2 (FALSE). + + @return The line of text from the file. + + @sa FileHandleReadLine +**/ +CHAR16* +EFIAPI +FileHandleReturnLine( + IN EFI_FILE_HANDLE Handle, + IN OUT BOOLEAN *Ascii + ); + +/** + Function to write a line of text to a file. + + If the file is a Unicode file (with UNICODE file tag) then write the unicode + text. + If the file is an ASCII file then write the ASCII text. + If the size of file is zero (without file tag at the beginning) then write + ASCII text as default. + + @param[in] Handle FileHandle to write to. + @param[in] Buffer Buffer to write, if NULL the function will + take no action and return EFI_SUCCESS. + + @retval EFI_SUCCESS The data was written. + Buffer is NULL. + @retval EFI_INVALID_PARAMETER Handle is NULL. + @retval EFI_OUT_OF_RESOURCES Unable to allocate temporary space for ASCII + string due to out of resources. + + @sa FileHandleWrite +**/ +EFI_STATUS +EFIAPI +FileHandleWriteLine( + IN EFI_FILE_HANDLE Handle, + IN CHAR16 *Buffer + ); + +/** + Function to take a formatted argument and print it to a file. + + @param[in] Handle The file handle for the file to write to. + @param[in] Format The format argument (see printlib for the format specifier). + @param[in] ... The variable arguments for the format. + + @retval EFI_SUCCESS The operation was successful. + @retval other A return value from FileHandleWriteLine. + + @sa FileHandleWriteLine +**/ +EFI_STATUS +EFIAPI +FileHandlePrintLine( + IN EFI_FILE_HANDLE Handle, + IN CONST CHAR16 *Format, + ... + ); + +/** + Function to determine if a FILE_HANDLE is at the end of the file. + + This will NOT work on directories. + + If Handle is NULL, then ASSERT(). + + @param[in] Handle The file handle. + + @retval TRUE The position is at the end of the file. + @retval FALSE The position is not at the end of the file. +**/ +BOOLEAN +EFIAPI +FileHandleEof( + IN EFI_FILE_HANDLE Handle + ); + +#endif //_FILE_HANDLE_LIBRARY_HEADER_ + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/HobLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/HobLib.h new file mode 100644 index 0000000000..b1adb5276f --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/HobLib.h @@ -0,0 +1,560 @@ +/** @file + Provides services to create and parse HOBs. Only available for PEI + and DXE module types. + + The HOB Library supports the efficient creation and searching of HOBs + defined in the PI Specification. + A HOB is a Hand-Off Block, defined in the Framework architecture, that + allows the PEI phase to pass information to the DXE phase. HOBs are position + independent and can be relocated easily to different memory locations. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __HOB_LIB_H__ +#define __HOB_LIB_H__ + +/** + Returns the pointer to the HOB list. + + This function returns the pointer to first HOB in the list. + For PEI phase, the PEI service GetHobList() can be used to retrieve the pointer + to the HOB list. For the DXE phase, the HOB list pointer can be retrieved through + the EFI System Table by looking up theHOB list GUID in the System Configuration Table. + Since the System Configuration Table does not exist that the time the DXE Core is + launched, the DXE Core uses a global variable from the DXE Core Entry Point Library + to manage the pointer to the HOB list. + + If the pointer to the HOB list is NULL, then ASSERT(). + + @return The pointer to the HOB list. + +**/ +VOID * +EFIAPI +GetHobList ( + VOID + ); + +/** + Returns the next instance of a HOB type from the starting HOB. + + This function searches the first instance of a HOB type from the starting HOB pointer. + If there does not exist such HOB type from the starting HOB pointer, it will return NULL. + In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer + unconditionally: it returns HobStart back if HobStart itself meets the requirement; + caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart. + + If HobStart is NULL, then ASSERT(). + + @param Type The HOB type to return. + @param HobStart The starting HOB pointer to search from. + + @return The next instance of a HOB type from the starting HOB. + +**/ +VOID * +EFIAPI +GetNextHob ( + IN UINT16 Type, + IN CONST VOID *HobStart + ); + +/** + Returns the first instance of a HOB type among the whole HOB list. + + This function searches the first instance of a HOB type among the whole HOB list. + If there does not exist such HOB type in the HOB list, it will return NULL. + + If the pointer to the HOB list is NULL, then ASSERT(). + + @param Type The HOB type to return. + + @return The next instance of a HOB type from the starting HOB. + +**/ +VOID * +EFIAPI +GetFirstHob ( + IN UINT16 Type + ); + +/** + Returns the next instance of the matched GUID HOB from the starting HOB. + + This function searches the first instance of a HOB from the starting HOB pointer. + Such HOB should satisfy two conditions: + its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid. + If there does not exist such HOB from the starting HOB pointer, it will return NULL. + Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE () + to extract the data section and its size info respectively. + In contrast with macro GET_NEXT_HOB(), this function does not skip the starting HOB pointer + unconditionally: it returns HobStart back if HobStart itself meets the requirement; + caller is required to use GET_NEXT_HOB() if it wishes to skip current HobStart. + + If Guid is NULL, then ASSERT(). + If HobStart is NULL, then ASSERT(). + + @param Guid The GUID to match with in the HOB list. + @param HobStart A pointer to a Guid. + + @return The next instance of the matched GUID HOB from the starting HOB. + +**/ +VOID * +EFIAPI +GetNextGuidHob ( + IN CONST EFI_GUID *Guid, + IN CONST VOID *HobStart + ); + +/** + Returns the first instance of the matched GUID HOB among the whole HOB list. + + This function searches the first instance of a HOB among the whole HOB list. + Such HOB should satisfy two conditions: + its HOB type is EFI_HOB_TYPE_GUID_EXTENSION and its GUID Name equals to the input Guid. + If there does not exist such HOB from the starting HOB pointer, it will return NULL. + Caller is required to apply GET_GUID_HOB_DATA () and GET_GUID_HOB_DATA_SIZE () + to extract the data section and its size info respectively. + + If the pointer to the HOB list is NULL, then ASSERT(). + If Guid is NULL, then ASSERT(). + + @param Guid The GUID to match with in the HOB list. + + @return The first instance of the matched GUID HOB among the whole HOB list. + +**/ +VOID * +EFIAPI +GetFirstGuidHob ( + IN CONST EFI_GUID *Guid + ); + +/** + Get the system boot mode from the HOB list. + + This function returns the system boot mode information from the + PHIT HOB in HOB list. + + If the pointer to the HOB list is NULL, then ASSERT(). + + @param VOID + + @return The Boot Mode. + +**/ +EFI_BOOT_MODE +EFIAPI +GetBootModeHob ( + VOID + ); + +/** + Builds a HOB for a loaded PE32 module. + + This function builds a HOB for a loaded PE32 module. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If ModuleName is NULL, then ASSERT(). + If there is no additional space for HOB creation, then ASSERT(). + + @param ModuleName The GUID File Name of the module. + @param MemoryAllocationModule The 64 bit physical address of the module. + @param ModuleLength The length of the module in bytes. + @param EntryPoint The 64 bit physical address of the module entry point. + +**/ +VOID +EFIAPI +BuildModuleHob ( + IN CONST EFI_GUID *ModuleName, + IN EFI_PHYSICAL_ADDRESS MemoryAllocationModule, + IN UINT64 ModuleLength, + IN EFI_PHYSICAL_ADDRESS EntryPoint + ); + +/** + Builds a HOB that describes a chunk of system memory with Owner GUID. + + This function builds a HOB that describes a chunk of system memory. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + + @param ResourceType The type of resource described by this HOB. + @param ResourceAttribute The resource attributes of the memory described by this HOB. + @param PhysicalStart The 64 bit physical address of memory described by this HOB. + @param NumberOfBytes The length of the memory described by this HOB in bytes. + @param OwnerGUID GUID for the owner of this resource. + +**/ +VOID +EFIAPI +BuildResourceDescriptorWithOwnerHob ( + IN EFI_RESOURCE_TYPE ResourceType, + IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute, + IN EFI_PHYSICAL_ADDRESS PhysicalStart, + IN UINT64 NumberOfBytes, + IN EFI_GUID *OwnerGUID + ); + +/** + Builds a HOB that describes a chunk of system memory. + + This function builds a HOB that describes a chunk of system memory. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + + @param ResourceType The type of resource described by this HOB. + @param ResourceAttribute The resource attributes of the memory described by this HOB. + @param PhysicalStart The 64 bit physical address of memory described by this HOB. + @param NumberOfBytes The length of the memory described by this HOB in bytes. + +**/ +VOID +EFIAPI +BuildResourceDescriptorHob ( + IN EFI_RESOURCE_TYPE ResourceType, + IN EFI_RESOURCE_ATTRIBUTE_TYPE ResourceAttribute, + IN EFI_PHYSICAL_ADDRESS PhysicalStart, + IN UINT64 NumberOfBytes + ); + +/** + Builds a customized HOB tagged with a GUID for identification and returns + the start address of GUID HOB data. + + This function builds a customized HOB tagged with a GUID for identification + and returns the start address of GUID HOB data so that caller can fill the customized data. + The HOB Header and Name field is already stripped. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If Guid is NULL, then ASSERT(). + If there is no additional space for HOB creation, then ASSERT(). + If DataLength > (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT(). + HobLength is UINT16 and multiples of 8 bytes, so the max HobLength is 0xFFF8. + + @param Guid The GUID to tag the customized HOB. + @param DataLength The size of the data payload for the GUID HOB. + + @retval NULL The GUID HOB could not be allocated. + @retval others The start address of GUID HOB data. + +**/ +VOID * +EFIAPI +BuildGuidHob ( + IN CONST EFI_GUID *Guid, + IN UINTN DataLength + ); + +/** + Builds a customized HOB tagged with a GUID for identification, copies the input data to the HOB + data field, and returns the start address of the GUID HOB data. + + This function builds a customized HOB tagged with a GUID for identification and copies the input + data to the HOB data field and returns the start address of the GUID HOB data. It can only be + invoked during PEI phase; for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + The HOB Header and Name field is already stripped. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If Guid is NULL, then ASSERT(). + If Data is NULL and DataLength > 0, then ASSERT(). + If there is no additional space for HOB creation, then ASSERT(). + If DataLength > (0xFFF8 - sizeof (EFI_HOB_GUID_TYPE)), then ASSERT(). + HobLength is UINT16 and multiples of 8 bytes, so the max HobLength is 0xFFF8. + + @param Guid The GUID to tag the customized HOB. + @param Data The data to be copied into the data field of the GUID HOB. + @param DataLength The size of the data payload for the GUID HOB. + + @retval NULL The GUID HOB could not be allocated. + @retval others The start address of GUID HOB data. + +**/ +VOID * +EFIAPI +BuildGuidDataHob ( + IN CONST EFI_GUID *Guid, + IN VOID *Data, + IN UINTN DataLength + ); + +/** + Builds a Firmware Volume HOB. + + This function builds a Firmware Volume HOB. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + If the FvImage buffer is not at its required alignment, then ASSERT(). + + @param BaseAddress The base address of the Firmware Volume. + @param Length The size of the Firmware Volume in bytes. + +**/ +VOID +EFIAPI +BuildFvHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length + ); + +/** + Builds a EFI_HOB_TYPE_FV2 HOB. + + This function builds a EFI_HOB_TYPE_FV2 HOB. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + If the FvImage buffer is not at its required alignment, then ASSERT(). + + @param BaseAddress The base address of the Firmware Volume. + @param Length The size of the Firmware Volume in bytes. + @param FvName The name of the Firmware Volume. + @param FileName The name of the file. + +**/ +VOID +EFIAPI +BuildFv2Hob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN CONST EFI_GUID *FvName, + IN CONST EFI_GUID *FileName + ); + +/** + Builds a EFI_HOB_TYPE_FV3 HOB. + + This function builds a EFI_HOB_TYPE_FV3 HOB. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + If the FvImage buffer is not at its required alignment, then ASSERT(). + + @param BaseAddress The base address of the Firmware Volume. + @param Length The size of the Firmware Volume in bytes. + @param AuthenticationStatus The authentication status. + @param ExtractedFv TRUE if the FV was extracted as a file within + another firmware volume. FALSE otherwise. + @param FvName The name of the Firmware Volume. + Valid only if IsExtractedFv is TRUE. + @param FileName The name of the file. + Valid only if IsExtractedFv is TRUE. + +**/ +VOID +EFIAPI +BuildFv3Hob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN UINT32 AuthenticationStatus, + IN BOOLEAN ExtractedFv, + IN CONST EFI_GUID *FvName, OPTIONAL + IN CONST EFI_GUID *FileName OPTIONAL + ); + +/** + Builds a Capsule Volume HOB. + + This function builds a Capsule Volume HOB. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If the platform does not support Capsule Volume HOBs, then ASSERT(). + If there is no additional space for HOB creation, then ASSERT(). + + @param BaseAddress The base address of the Capsule Volume. + @param Length The size of the Capsule Volume in bytes. + +**/ +VOID +EFIAPI +BuildCvHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length + ); + +/** + Builds a HOB for the CPU. + + This function builds a HOB for the CPU. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + + @param SizeOfMemorySpace The maximum physical memory addressability of the processor. + @param SizeOfIoSpace The maximum physical I/O addressability of the processor. + +**/ +VOID +EFIAPI +BuildCpuHob ( + IN UINT8 SizeOfMemorySpace, + IN UINT8 SizeOfIoSpace + ); + +/** + Builds a HOB for the Stack. + + This function builds a HOB for the stack. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + + @param BaseAddress The 64 bit physical address of the Stack. + @param Length The length of the stack in bytes. + +**/ +VOID +EFIAPI +BuildStackHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length + ); + +/** + Builds a HOB for the BSP store. + + This function builds a HOB for BSP store. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + + @param BaseAddress The 64 bit physical address of the BSP. + @param Length The length of the BSP store in bytes. + @param MemoryType Type of memory allocated by this HOB. + +**/ +VOID +EFIAPI +BuildBspStoreHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN EFI_MEMORY_TYPE MemoryType + ); + +/** + Builds a HOB for the memory allocation. + + This function builds a HOB for the memory allocation. + It can only be invoked during PEI phase; + for DXE phase, it will ASSERT() since PEI HOB is read-only for DXE phase. + + If there is no additional space for HOB creation, then ASSERT(). + + @param BaseAddress The 64 bit physical address of the memory. + @param Length The length of the memory allocation in bytes. + @param MemoryType Type of memory allocated by this HOB. + +**/ +VOID +EFIAPI +BuildMemoryAllocationHob ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN EFI_MEMORY_TYPE MemoryType + ); + +/** + Returns the type of a HOB. + + This macro returns the HobType field from the HOB header for the + HOB specified by HobStart. + + @param HobStart A pointer to a HOB. + + @return HobType. + +**/ +#define GET_HOB_TYPE(HobStart) \ + ((*(EFI_HOB_GENERIC_HEADER **)&(HobStart))->HobType) + +/** + Returns the length, in bytes, of a HOB. + + This macro returns the HobLength field from the HOB header for the + HOB specified by HobStart. + + @param HobStart A pointer to a HOB. + + @return HobLength. + +**/ +#define GET_HOB_LENGTH(HobStart) \ + ((*(EFI_HOB_GENERIC_HEADER **)&(HobStart))->HobLength) + +/** + Returns a pointer to the next HOB in the HOB list. + + This macro returns a pointer to HOB that follows the + HOB specified by HobStart in the HOB List. + + @param HobStart A pointer to a HOB. + + @return A pointer to the next HOB in the HOB list. + +**/ +#define GET_NEXT_HOB(HobStart) \ + (VOID *)(*(UINT8 **)&(HobStart) + GET_HOB_LENGTH (HobStart)) + +/** + Determines if a HOB is the last HOB in the HOB list. + + This macro determine if the HOB specified by HobStart is the + last HOB in the HOB list. If HobStart is last HOB in the HOB list, + then TRUE is returned. Otherwise, FALSE is returned. + + @param HobStart A pointer to a HOB. + + @retval TRUE The HOB specified by HobStart is the last HOB in the HOB list. + @retval FALSE The HOB specified by HobStart is not the last HOB in the HOB list. + +**/ +#define END_OF_HOB_LIST(HobStart) (GET_HOB_TYPE (HobStart) == (UINT16)EFI_HOB_TYPE_END_OF_HOB_LIST) + +/** + Returns a pointer to data buffer from a HOB of type EFI_HOB_TYPE_GUID_EXTENSION. + + This macro returns a pointer to the data buffer in a HOB specified by HobStart. + HobStart is assumed to be a HOB of type EFI_HOB_TYPE_GUID_EXTENSION. + + @param GuidHob A pointer to a HOB. + + @return A pointer to the data buffer in a HOB. + +**/ +#define GET_GUID_HOB_DATA(HobStart) \ + (VOID *)(*(UINT8 **)&(HobStart) + sizeof (EFI_HOB_GUID_TYPE)) + +/** + Returns the size of the data buffer from a HOB of type EFI_HOB_TYPE_GUID_EXTENSION. + + This macro returns the size, in bytes, of the data buffer in a HOB specified by HobStart. + HobStart is assumed to be a HOB of type EFI_HOB_TYPE_GUID_EXTENSION. + + @param GuidHob A pointer to a HOB. + + @return The size of the data buffer. +**/ +#define GET_GUID_HOB_DATA_SIZE(HobStart) \ + (UINT16)(GET_HOB_LENGTH (HobStart) - sizeof (EFI_HOB_GUID_TYPE)) + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/HstiLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/HstiLib.h new file mode 100644 index 0000000000..83d9bc46e3 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/HstiLib.h @@ -0,0 +1,152 @@ +/** @file + Provides services to create, get and update HSTI table in AIP protocol. + + Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __HSTI_LIB_H__ +#define __HSTI_LIB_H__ + +/** + Publish HSTI table in AIP protocol. + + One system should have only one PLATFORM_SECURITY_ROLE_PLATFORM_REFERENCE. + + If the Role is NOT PLATFORM_SECURITY_ROLE_PLATFORM_REFERENCE, + SecurityFeaturesRequired field will be ignored. + + @param Hsti HSTI data + @param HstiSize HSTI size + + @retval EFI_SUCCESS The HSTI data is published in AIP protocol. + @retval EFI_ALREADY_STARTED There is already HSTI table with Role and ImplementationID published in system. + @retval EFI_VOLUME_CORRUPTED The input HSTI data does not follow HSTI specification. + @retval EFI_OUT_OF_RESOURCES There is not enough system resource to publish HSTI data in AIP protocol. +**/ +EFI_STATUS +EFIAPI +HstiLibSetTable ( + IN VOID *Hsti, + IN UINTN HstiSize + ); + +/** + Search HSTI table in AIP protocol, and return the data. + This API will return the HSTI table with indicated Role and ImplementationID, + NULL ImplementationID means to find the first HSTI table with indicated Role. + + @param Role Role of HSTI data. + @param ImplementationID ImplementationID of HSTI data. + NULL means find the first one match Role. + @param Hsti HSTI data. This buffer is allocated by callee, and it + is the responsibility of the caller to free it after + using it. + @param HstiSize HSTI size + + @retval EFI_SUCCESS The HSTI data in AIP protocol is returned. + @retval EFI_NOT_FOUND There is not HSTI table with the Role and ImplementationID published in system. +**/ +EFI_STATUS +EFIAPI +HstiLibGetTable ( + IN UINT32 Role, + IN CHAR16 *ImplementationID OPTIONAL, + OUT VOID **Hsti, + OUT UINTN *HstiSize + ); + +/** + Set FeaturesVerified in published HSTI table. + This API will update the HSTI table with indicated Role and ImplementationID, + NULL ImplementationID means to find the first HSTI table with indicated Role. + + @param Role Role of HSTI data. + @param ImplementationID ImplementationID of HSTI data. + NULL means find the first one match Role. + @param ByteIndex Byte index of FeaturesVerified of HSTI data. + @param BitMask Bit mask of FeaturesVerified of HSTI data. + + @retval EFI_SUCCESS The FeaturesVerified of HSTI data updated in AIP protocol. + @retval EFI_NOT_STARTED There is not HSTI table with the Role and ImplementationID published in system. + @retval EFI_UNSUPPORTED The ByteIndex is invalid. +**/ +EFI_STATUS +EFIAPI +HstiLibSetFeaturesVerified ( + IN UINT32 Role, + IN CHAR16 *ImplementationID, OPTIONAL + IN UINT32 ByteIndex, + IN UINT8 BitMask + ); + +/** + Clear FeaturesVerified in published HSTI table. + This API will update the HSTI table with indicated Role and ImplementationID, + NULL ImplementationID means to find the first HSTI table with indicated Role. + + @param Role Role of HSTI data. + @param ImplementationID ImplementationID of HSTI data. + NULL means find the first one match Role. + @param ByteIndex Byte index of FeaturesVerified of HSTI data. + @param BitMask Bit mask of FeaturesVerified of HSTI data. + + @retval EFI_SUCCESS The FeaturesVerified of HSTI data updated in AIP protocol. + @retval EFI_NOT_STARTED There is not HSTI table with the Role and ImplementationID published in system. + @retval EFI_UNSUPPORTED The ByteIndex is invalid. +**/ +EFI_STATUS +EFIAPI +HstiLibClearFeaturesVerified ( + IN UINT32 Role, + IN CHAR16 *ImplementationID, OPTIONAL + IN UINT32 ByteIndex, + IN UINT8 BitMask + ); + +/** + Append ErrorString in published HSTI table. + This API will update the HSTI table with indicated Role and ImplementationID, + NULL ImplementationID means to find the first HSTI table with indicated Role. + + @param Role Role of HSTI data. + @param ImplementationID ImplementationID of HSTI data. + NULL means find the first one match Role. + @param ErrorString ErrorString of HSTI data. + + @retval EFI_SUCCESS The ErrorString of HSTI data is updated in AIP protocol. + @retval EFI_NOT_STARTED There is not HSTI table with the Role and ImplementationID published in system. + @retval EFI_OUT_OF_RESOURCES There is not enough system resource to update ErrorString. +**/ +EFI_STATUS +EFIAPI +HstiLibAppendErrorString ( + IN UINT32 Role, + IN CHAR16 *ImplementationID, OPTIONAL + IN CHAR16 *ErrorString + ); + +/** + Set a new ErrorString in published HSTI table. + This API will update the HSTI table with indicated Role and ImplementationID, + NULL ImplementationID means to find the first HSTI table with indicated Role. + + @param Role Role of HSTI data. + @param ImplementationID ImplementationID of HSTI data. + NULL means find the first one match Role. + @param ErrorString ErrorString of HSTI data. + + @retval EFI_SUCCESS The ErrorString of HSTI data is updated in AIP protocol. + @retval EFI_NOT_STARTED There is not HSTI table with the Role and ImplementationID published in system. + @retval EFI_OUT_OF_RESOURCES There is not enough system resource to update ErrorString. +**/ +EFI_STATUS +EFIAPI +HstiLibSetErrorString ( + IN UINT32 Role, + IN CHAR16 *ImplementationID, OPTIONAL + IN CHAR16 *ErrorString + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/IoLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/IoLib.h new file mode 100644 index 0000000000..d0ffe98ecb --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/IoLib.h @@ -0,0 +1,2809 @@ +/** @file + Provide services to access I/O Ports and MMIO registers. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR> + +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __IO_LIB_H__ +#define __IO_LIB_H__ + +/** + Macro that converts PCI Segment and I/O Port to an address that can be + passed to the I/O Library functions. + + Computes an address that is compatible with the I/O Library functions. + The unused upper bits of Segment, and Port are stripped prior to the + generation of the address. + + @param Segment PCI Segment number. Range 0..65535. + @param Port I/O Port number. Range 0..65535. + + @return An address that the I/o Library functions need. + +**/ + +#define IO_LIB_ADDRESS(Segment,Port) \ + ( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) ) + +/** + Reads an 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +IoRead8 ( + IN UINTN Port + ); + +/** + Writes an 8-bit I/O port. + + Writes the 8-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT8 +EFIAPI +IoWrite8 ( + IN UINTN Port, + IN UINT8 Value + ); + +/** + Reads an 8-bit I/O port fifo into a block of memory. + + Reads the 8-bit I/O fifo port specified by Port. + The port is read Count times, and the read data is + stored in the provided Buffer. + + This function must guarantee that all I/O read and write operations are + serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + @param Count The number of times to read I/O port. + @param Buffer The buffer to store the read data into. + +**/ +VOID +EFIAPI +IoReadFifo8 ( + IN UINTN Port, + IN UINTN Count, + OUT VOID *Buffer + ); + +/** + Writes a block of memory into an 8-bit I/O port fifo. + + Writes the 8-bit I/O fifo port specified by Port. + The port is written Count times, and the write data is + retrieved from the provided Buffer. + + This function must guarantee that all I/O write and write operations are + serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Count The number of times to write I/O port. + @param Buffer The buffer to retrieve the write data from. + +**/ +VOID +EFIAPI +IoWriteFifo8 ( + IN UINTN Port, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Reads an 8-bit I/O port, performs a bitwise OR, and writes the + result back to the 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 8-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoOr8 ( + IN UINTN Port, + IN UINT8 OrData + ); + +/** + Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back + to the 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 8-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoAnd8 ( + IN UINTN Port, + IN UINT8 AndData + ); + +/** + Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 8-bit I/O port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 8-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoAndThenOr8 ( + IN UINTN Port, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in an 8-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value read. + +**/ +UINT8 +EFIAPI +IoBitFieldRead8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldWrite8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 8-bit port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 8-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldOr8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 8-bit port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 8-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldAnd8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 8-bit port. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 8-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +IoBitFieldAndThenOr8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +IoRead16 ( + IN UINTN Port + ); + +/** + Writes a 16-bit I/O port. + + Writes the 16-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT16 +EFIAPI +IoWrite16 ( + IN UINTN Port, + IN UINT16 Value + ); + +/** + Reads a 16-bit I/O port fifo into a block of memory. + + Reads the 16-bit I/O fifo port specified by Port. + The port is read Count times, and the read data is + stored in the provided Buffer. + + This function must guarantee that all I/O read and write operations are + serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + @param Count The number of times to read I/O port. + @param Buffer The buffer to store the read data into. + +**/ +VOID +EFIAPI +IoReadFifo16 ( + IN UINTN Port, + IN UINTN Count, + OUT VOID *Buffer + ); + +/** + Writes a block of memory into a 16-bit I/O port fifo. + + Writes the 16-bit I/O fifo port specified by Port. + The port is written Count times, and the write data is + retrieved from the provided Buffer. + + This function must guarantee that all I/O write and write operations are + serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Count The number of times to write I/O port. + @param Buffer The buffer to retrieve the write data from. + +**/ +VOID +EFIAPI +IoWriteFifo16 ( + IN UINTN Port, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Reads a 16-bit I/O port, performs a bitwise OR, and writes the + result back to the 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 16-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoOr16 ( + IN UINTN Port, + IN UINT16 OrData + ); + +/** + Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back + to the 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 16-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoAnd16 ( + IN UINTN Port, + IN UINT16 AndData + ); + +/** + Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 16-bit I/O port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 16-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoAndThenOr16 ( + IN UINTN Port, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in a 16-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value read. + +**/ +UINT16 +EFIAPI +IoBitFieldRead16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldWrite16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 16-bit port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 16-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldOr16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 16-bit port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 16-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldAnd16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 16-bit port. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 16-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +IoBitFieldAndThenOr16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +IoRead32 ( + IN UINTN Port + ); + +/** + Writes a 32-bit I/O port. + + Writes the 32-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT32 +EFIAPI +IoWrite32 ( + IN UINTN Port, + IN UINT32 Value + ); + +/** + Reads a 32-bit I/O port fifo into a block of memory. + + Reads the 32-bit I/O fifo port specified by Port. + The port is read Count times, and the read data is + stored in the provided Buffer. + + This function must guarantee that all I/O read and write operations are + serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + @param Count The number of times to read I/O port. + @param Buffer The buffer to store the read data into. + +**/ +VOID +EFIAPI +IoReadFifo32 ( + IN UINTN Port, + IN UINTN Count, + OUT VOID *Buffer + ); + +/** + Writes a block of memory into a 32-bit I/O port fifo. + + Writes the 32-bit I/O fifo port specified by Port. + The port is written Count times, and the write data is + retrieved from the provided Buffer. + + This function must guarantee that all I/O write and write operations are + serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to write. + @param Count The number of times to write I/O port. + @param Buffer The buffer to retrieve the write data from. + +**/ +VOID +EFIAPI +IoWriteFifo32 ( + IN UINTN Port, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Reads a 32-bit I/O port, performs a bitwise OR, and writes the + result back to the 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 32-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoOr32 ( + IN UINTN Port, + IN UINT32 OrData + ); + +/** + Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back + to the 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 32-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoAnd32 ( + IN UINTN Port, + IN UINT32 AndData + ); + +/** + Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 32-bit I/O port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 32-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoAndThenOr32 ( + IN UINTN Port, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in a 32-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value read. + +**/ +UINT32 +EFIAPI +IoBitFieldRead32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldWrite32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 32-bit port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 32-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldOr32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 32-bit port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 32-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldAnd32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 32-bit port. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 32-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +IoBitFieldAndThenOr32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +IoRead64 ( + IN UINTN Port + ); + +/** + Writes a 64-bit I/O port. + + Writes the 64-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT64 +EFIAPI +IoWrite64 ( + IN UINTN Port, + IN UINT64 Value + ); + +/** + Reads a 64-bit I/O port, performs a bitwise OR, and writes the + result back to the 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoOr64 ( + IN UINTN Port, + IN UINT64 OrData + ); + +/** + Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back + to the 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 64-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoAnd64 ( + IN UINTN Port, + IN UINT64 AndData + ); + +/** + Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 64-bit I/O port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 64-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + + @param Port The I/O port to write. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoAndThenOr64 ( + IN UINTN Port, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field of an I/O register. + + Reads the bit field in a 64-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Port The I/O port to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read. + +**/ +UINT64 +EFIAPI +IoBitFieldRead64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldWrite64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the + result back to the bit field in the 64-bit port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldOr64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the + result back to the bit field in the 64-bit port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 64-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldAnd64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 64-bit port. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 64-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If Port is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Port The I/O port to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with the read value from the I/O port. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +IoBitFieldAndThenOr64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads an 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address. The 8-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +MmioRead8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit MMIO register. + + Writes the 8-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + + @return Value. + +**/ +UINT8 +EFIAPI +MmioWrite8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise OR, and writes the + result back to the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 8-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioOr8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result + back to the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 8-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioAnd8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 8-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioAndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in an 8-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value read. + +**/ +UINT8 +EFIAPI +MmioBitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 8-bit register is returned. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 8-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 8-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, and writes the result back to the bit field in the + 8-bit MMIO register. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 8-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioBitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address. The 16-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +MmioRead16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit MMIO register. + + Writes the 16-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + + @return Value. + +**/ +UINT16 +EFIAPI +MmioWrite16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise OR, and writes the + result back to the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 16-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioOr16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result + back to the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 16-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioAnd16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 16-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioAndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in a 16-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value read. + +**/ +UINT16 +EFIAPI +MmioBitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 16-bit register is returned. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 16-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 16-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, and writes the result back to the bit field in the + 16-bit MMIO register. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 16-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioBitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address. The 32-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +MmioRead32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit MMIO register. + + Writes the 32-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + + @return Value. + +**/ +UINT32 +EFIAPI +MmioWrite32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise OR, and writes the + result back to the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 32-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioOr32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result + back to the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 32-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioAnd32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 32-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioAndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in a 32-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value read. + +**/ +UINT32 +EFIAPI +MmioBitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 32-bit register is returned. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 32-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 32-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, and writes the result back to the bit field in the + 32-bit MMIO register. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 32-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioBitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address. The 64-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +MmioRead64 ( + IN UINTN Address + ); + +/** + Writes a 64-bit MMIO register. + + Writes the 64-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioWrite64 ( + IN UINTN Address, + IN UINT64 Value + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise OR, and writes the + result back to the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 64-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioOr64 ( + IN UINTN Address, + IN UINT64 OrData + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result + back to the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 64-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioAnd64 ( + IN UINTN Address, + IN UINT64 AndData + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise + OR, and writes the result back to the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 64-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + + @param Address The MMIO register to write. + @param AndData The value to AND with the read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioAndThenOr64 ( + IN UINTN Address, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field of a MMIO register. + + Reads the bit field in a 64-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address MMIO register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read. + +**/ +UINT64 +EFIAPI +MmioBitFieldRead64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 64-bit register is returned. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldWrite64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and + writes the result back to the bit field in the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise + OR between the read result and the value specified by OrData, and + writes the result to the 64-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param OrData The value to OR with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldOr64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 64-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldAnd64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, and writes the result back to the bit field in the + 64-bit MMIO register. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 64-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If Address is not aligned on a 64-bit boundary, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address MMIO register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param AndData The value to AND with read value from the MMIO register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioBitFieldAndThenOr64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Copy data from MMIO region to system memory by using 8-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 8-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT8 * +EFIAPI +MmioReadBuffer8 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT8 *Buffer + ); + +/** + Copy data from MMIO region to system memory by using 16-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 16-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT16 * +EFIAPI +MmioReadBuffer16 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT16 *Buffer + ); + +/** + Copy data from MMIO region to system memory by using 32-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 32-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT32 * +EFIAPI +MmioReadBuffer32 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT32 *Buffer + ); + +/** + Copy data from MMIO region to system memory by using 64-bit access. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 64-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied from. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer + +**/ +UINT64 * +EFIAPI +MmioReadBuffer64 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT64 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 8-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 8-bit access. The total number + of byte to be copied is specified by Length. Buffer is returned. + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer + +**/ +UINT8 * +EFIAPI +MmioWriteBuffer8 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT8 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 16-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 16-bit access. The total number + of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 16-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer + +**/ +UINT16 * +EFIAPI +MmioWriteBuffer16 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT16 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 32-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 32-bit access. The total number + of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 32-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer + +**/ +UINT32 * +EFIAPI +MmioWriteBuffer32 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT32 *Buffer + ); + +/** + Copy data from system memory to MMIO region by using 64-bit access. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 64-bit access. The total number + of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 64-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + + @param StartAddress Starting address for the MMIO region to be copied to. + @param Length The size, in bytes, of Buffer. + @param Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer + +**/ +UINT64 * +EFIAPI +MmioWriteBuffer64 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT64 *Buffer + ); + + +#endif + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/MemoryAllocationLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/MemoryAllocationLib.h new file mode 100644 index 0000000000..14efb56895 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/MemoryAllocationLib.h @@ -0,0 +1,487 @@ +/** @file + Provides services to allocate and free memory buffers of various memory types and alignments. + + The Memory Allocation Library abstracts various common memory allocation operations. This library + allows code to be written in a phase-independent manner because the allocation of memory in PEI, DXE, + and SMM (for example) is done via a different mechanism. Using a common library interface makes it + much easier to port algorithms from phase to phase. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MEMORY_ALLOCATION_LIB_H__ +#define __MEMORY_ALLOCATION_LIB_H__ + +/** + Allocates one or more 4KB pages of type EfiBootServicesData. + + Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the request, then NULL is + returned. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocatePages ( + IN UINTN Pages + ); + +/** + Allocates one or more 4KB pages of type EfiRuntimeServicesData. + + Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the request, then NULL is + returned. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateRuntimePages ( + IN UINTN Pages + ); + +/** + Allocates one or more 4KB pages of type EfiReservedMemoryType. + + Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the request, then NULL is + returned. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateReservedPages ( + IN UINTN Pages + ); + +/** + Frees one or more 4KB pages that were previously allocated with one of the page allocation + functions in the Memory Allocation Library. + + Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer + must have been allocated on a previous call to the page allocation services of the Memory + Allocation Library. If it is not possible to free allocated pages, then this function will + perform no actions. + + If Buffer was not allocated with a page allocation function in the Memory Allocation Library, + then ASSERT(). + If Pages is zero, then ASSERT(). + + @param Buffer Pointer to the buffer of pages to free. + @param Pages The number of 4 KB pages to free. + +**/ +VOID +EFIAPI +FreePages ( + IN VOID *Buffer, + IN UINTN Pages + ); + +/** + Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment. + + Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an + alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is + returned. If there is not enough memory at the specified alignment remaining to satisfy the + request, then NULL is returned. + + If Alignment is not a power of two and Alignment is not zero, then ASSERT(). + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). + + @param Pages The number of 4 KB pages to allocate. + @param Alignment The requested alignment of the allocation. Must be a power of two. + If Alignment is zero, then byte alignment is used. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateAlignedPages ( + IN UINTN Pages, + IN UINTN Alignment + ); + +/** + Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment. + + Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an + alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is + returned. If there is not enough memory at the specified alignment remaining to satisfy the + request, then NULL is returned. + + If Alignment is not a power of two and Alignment is not zero, then ASSERT(). + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). + + @param Pages The number of 4 KB pages to allocate. + @param Alignment The requested alignment of the allocation. Must be a power of two. + If Alignment is zero, then byte alignment is used. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateAlignedRuntimePages ( + IN UINTN Pages, + IN UINTN Alignment + ); + +/** + Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment. + + Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an + alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is + returned. If there is not enough memory at the specified alignment remaining to satisfy the + request, then NULL is returned. + + If Alignment is not a power of two and Alignment is not zero, then ASSERT(). + If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT(). + + @param Pages The number of 4 KB pages to allocate. + @param Alignment The requested alignment of the allocation. Must be a power of two. + If Alignment is zero, then byte alignment is used. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateAlignedReservedPages ( + IN UINTN Pages, + IN UINTN Alignment + ); + +/** + Frees one or more 4KB pages that were previously allocated with one of the aligned page + allocation functions in the Memory Allocation Library. + + Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer + must have been allocated on a previous call to the aligned page allocation services of the Memory + Allocation Library. If it is not possible to free allocated pages, then this function will + perform no actions. + + If Buffer was not allocated with an aligned page allocation function in the Memory Allocation + Library, then ASSERT(). + If Pages is zero, then ASSERT(). + + @param Buffer Pointer to the buffer of pages to free. + @param Pages The number of 4 KB pages to free. + +**/ +VOID +EFIAPI +FreeAlignedPages ( + IN VOID *Buffer, + IN UINTN Pages + ); + +/** + Allocates a buffer of type EfiBootServicesData. + + Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a + pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is + returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. + + @param AllocationSize The number of bytes to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocatePool ( + IN UINTN AllocationSize + ); + +/** + Allocates a buffer of type EfiRuntimeServicesData. + + Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns + a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is + returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. + + @param AllocationSize The number of bytes to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateRuntimePool ( + IN UINTN AllocationSize + ); + +/** + Allocates a buffer of type EfiReservedMemoryType. + + Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType and returns + a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is + returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. + + @param AllocationSize The number of bytes to allocate. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateReservedPool ( + IN UINTN AllocationSize + ); + +/** + Allocates and zeros a buffer of type EfiBootServicesData. + + Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the + buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a + valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the + request, then NULL is returned. + + @param AllocationSize The number of bytes to allocate and zero. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateZeroPool ( + IN UINTN AllocationSize + ); + +/** + Allocates and zeros a buffer of type EfiRuntimeServicesData. + + Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the + buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a + valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the + request, then NULL is returned. + + @param AllocationSize The number of bytes to allocate and zero. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateRuntimeZeroPool ( + IN UINTN AllocationSize + ); + +/** + Allocates and zeros a buffer of type EfiReservedMemoryType. + + Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the + buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a + valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the + request, then NULL is returned. + + @param AllocationSize The number of bytes to allocate and zero. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateReservedZeroPool ( + IN UINTN AllocationSize + ); + +/** + Copies a buffer to an allocated buffer of type EfiBootServicesData. + + Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies + AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there + is not enough memory remaining to satisfy the request, then NULL is returned. + + If Buffer is NULL, then ASSERT(). + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param AllocationSize The number of bytes to allocate and zero. + @param Buffer The buffer to copy to the allocated buffer. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer + ); + +/** + Copies a buffer to an allocated buffer of type EfiRuntimeServicesData. + + Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies + AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there + is not enough memory remaining to satisfy the request, then NULL is returned. + + If Buffer is NULL, then ASSERT(). + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param AllocationSize The number of bytes to allocate and zero. + @param Buffer The buffer to copy to the allocated buffer. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateRuntimeCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer + ); + +/** + Copies a buffer to an allocated buffer of type EfiReservedMemoryType. + + Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies + AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the + allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there + is not enough memory remaining to satisfy the request, then NULL is returned. + + If Buffer is NULL, then ASSERT(). + If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + @param AllocationSize The number of bytes to allocate and zero. + @param Buffer The buffer to copy to the allocated buffer. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +AllocateReservedCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer + ); + +/** + Reallocates a buffer of type EfiBootServicesData. + + Allocates and zeros the number bytes specified by NewSize from memory of type + EfiBootServicesData. If OldBuffer is not NULL, then the smaller of OldSize and + NewSize bytes are copied from OldBuffer to the newly allocated buffer, and + OldBuffer is freed. A pointer to the newly allocated buffer is returned. + If NewSize is 0, then a valid buffer of 0 size is returned. If there is not + enough memory remaining to satisfy the request, then NULL is returned. + + If the allocation of the new buffer is successful and the smaller of NewSize and OldSize + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). + + @param OldSize The size, in bytes, of OldBuffer. + @param NewSize The size, in bytes, of the buffer to reallocate. + @param OldBuffer The buffer to copy to the allocated buffer. This is an optional + parameter that may be NULL. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +ReallocatePool ( + IN UINTN OldSize, + IN UINTN NewSize, + IN VOID *OldBuffer OPTIONAL + ); + +/** + Reallocates a buffer of type EfiRuntimeServicesData. + + Allocates and zeros the number bytes specified by NewSize from memory of type + EfiRuntimeServicesData. If OldBuffer is not NULL, then the smaller of OldSize and + NewSize bytes are copied from OldBuffer to the newly allocated buffer, and + OldBuffer is freed. A pointer to the newly allocated buffer is returned. + If NewSize is 0, then a valid buffer of 0 size is returned. If there is not + enough memory remaining to satisfy the request, then NULL is returned. + + If the allocation of the new buffer is successful and the smaller of NewSize and OldSize + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). + + @param OldSize The size, in bytes, of OldBuffer. + @param NewSize The size, in bytes, of the buffer to reallocate. + @param OldBuffer The buffer to copy to the allocated buffer. This is an optional + parameter that may be NULL. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +ReallocateRuntimePool ( + IN UINTN OldSize, + IN UINTN NewSize, + IN VOID *OldBuffer OPTIONAL + ); + +/** + Reallocates a buffer of type EfiReservedMemoryType. + + Allocates and zeros the number bytes specified by NewSize from memory of type + EfiReservedMemoryType. If OldBuffer is not NULL, then the smaller of OldSize and + NewSize bytes are copied from OldBuffer to the newly allocated buffer, and + OldBuffer is freed. A pointer to the newly allocated buffer is returned. + If NewSize is 0, then a valid buffer of 0 size is returned. If there is not + enough memory remaining to satisfy the request, then NULL is returned. + + If the allocation of the new buffer is successful and the smaller of NewSize and OldSize + is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT(). + + @param OldSize The size, in bytes, of OldBuffer. + @param NewSize The size, in bytes, of the buffer to reallocate. + @param OldBuffer The buffer to copy to the allocated buffer. This is an optional + parameter that may be NULL. + + @return A pointer to the allocated buffer or NULL if allocation fails. + +**/ +VOID * +EFIAPI +ReallocateReservedPool ( + IN UINTN OldSize, + IN UINTN NewSize, + IN VOID *OldBuffer OPTIONAL + ); + +/** + Frees a buffer that was previously allocated with one of the pool allocation functions in the + Memory Allocation Library. + + Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the + pool allocation services of the Memory Allocation Library. If it is not possible to free pool + resources, then this function will perform no actions. + + If Buffer was not allocated with a pool allocation function in the Memory Allocation Library, + then ASSERT(). + + @param Buffer Pointer to the buffer to free. + +**/ +VOID +EFIAPI +FreePool ( + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/MmServicesTableLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/MmServicesTableLib.h new file mode 100644 index 0000000000..e9e4abebea --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/MmServicesTableLib.h @@ -0,0 +1,19 @@ +/** @file + Provides a service to retrieve a pointer to the Standalone MM Services Table. + Only available to MM_STANDALONE, SMM/DXE Combined and SMM module types. + +Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR> +Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR> + +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MM_SERVICES_TABLE_LIB_H__ +#define __MM_SERVICES_TABLE_LIB_H__ + +#include <PiMm.h> + +extern EFI_MM_SYSTEM_TABLE *gMmst; + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/OrderedCollectionLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/OrderedCollectionLib.h new file mode 100644 index 0000000000..6e1db6f859 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/OrderedCollectionLib.h @@ -0,0 +1,419 @@ +/** @file + An ordered collection library interface. + + The library class provides a set of APIs to manage an ordered collection of + items. + + Copyright (C) 2014, Red Hat, Inc. + + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#ifndef __ORDERED_COLLECTION_LIB__ +#define __ORDERED_COLLECTION_LIB__ + +#include <Base.h> + +// +// Opaque structure for a collection. +// +typedef struct ORDERED_COLLECTION ORDERED_COLLECTION; + +// +// Opaque structure for collection entries. +// +// Collection entries do not take ownership of the associated user structures, +// they only link them. This makes it easy to link the same user structure into +// several collections. If reference counting is required, the caller is +// responsible for implementing it, as part of the user structure. +// +// A pointer-to-ORDERED_COLLECTION_ENTRY is considered an "iterator". Multiple, +// simultaneous iterations are supported. +// +typedef struct ORDERED_COLLECTION_ENTRY ORDERED_COLLECTION_ENTRY; + +// +// Altering the key field of an in-collection user structure (ie. the portion +// of the user structure that ORDERED_COLLECTION_USER_COMPARE and +// ORDERED_COLLECTION_KEY_COMPARE, below, read) is not allowed in-place. The +// caller is responsible for bracketing the key change with the deletion and +// the reinsertion of the user structure, so that the changed key value is +// reflected in the collection. +// + +/** + Comparator function type for two user structures. + + @param[in] UserStruct1 Pointer to the first user structure. + + @param[in] UserStruct2 Pointer to the second user structure. + + @retval <0 If UserStruct1 compares less than UserStruct2. + + @retval 0 If UserStruct1 compares equal to UserStruct2. + + @retval >0 If UserStruct1 compares greater than UserStruct2. +**/ +typedef +INTN +(EFIAPI *ORDERED_COLLECTION_USER_COMPARE)( + IN CONST VOID *UserStruct1, + IN CONST VOID *UserStruct2 + ); + +/** + Compare a standalone key against a user structure containing an embedded key. + + @param[in] StandaloneKey Pointer to the bare key. + + @param[in] UserStruct Pointer to the user structure with the embedded + key. + + @retval <0 If StandaloneKey compares less than UserStruct's key. + + @retval 0 If StandaloneKey compares equal to UserStruct's key. + + @retval >0 If StandaloneKey compares greater than UserStruct's key. +**/ +typedef +INTN +(EFIAPI *ORDERED_COLLECTION_KEY_COMPARE)( + IN CONST VOID *StandaloneKey, + IN CONST VOID *UserStruct + ); + + +// +// Some functions below are read-only, while others are read-write. If any +// write operation is expected to run concurrently with any other operation on +// the same collection, then the caller is responsible for implementing locking +// for the whole collection. +// + +/** + Retrieve the user structure linked by the specified collection entry. + + Read-only operation. + + @param[in] Entry Pointer to the collection entry whose associated user + structure we want to retrieve. The caller is responsible + for passing a non-NULL argument. + + @return Pointer to user structure linked by Entry. +**/ +VOID * +EFIAPI +OrderedCollectionUserStruct ( + IN CONST ORDERED_COLLECTION_ENTRY *Entry + ); + + +/** + Allocate and initialize the ORDERED_COLLECTION structure. + + @param[in] UserStructCompare This caller-provided function will be used to + order two user structures linked into the + collection, during the insertion procedure. + + @param[in] KeyCompare This caller-provided function will be used to + order the standalone search key against user + structures linked into the collection, during + the lookup procedure. + + @retval NULL If allocation failed. + + @return Pointer to the allocated, initialized ORDERED_COLLECTION + structure, otherwise. +**/ +ORDERED_COLLECTION * +EFIAPI +OrderedCollectionInit ( + IN ORDERED_COLLECTION_USER_COMPARE UserStructCompare, + IN ORDERED_COLLECTION_KEY_COMPARE KeyCompare + ); + + +/** + Check whether the collection is empty (has no entries). + + Read-only operation. + + @param[in] Collection The collection to check for emptiness. + + @retval TRUE The collection is empty. + + @retval FALSE The collection is not empty. +**/ +BOOLEAN +EFIAPI +OrderedCollectionIsEmpty ( + IN CONST ORDERED_COLLECTION *Collection + ); + + +/** + Uninitialize and release an empty ORDERED_COLLECTION structure. + + Read-write operation. + + It is the caller's responsibility to delete all entries from the collection + before calling this function. + + @param[in] Collection The empty collection to uninitialize and release. +**/ +VOID +EFIAPI +OrderedCollectionUninit ( + IN ORDERED_COLLECTION *Collection + ); + + +/** + Look up the collection entry that links the user structure that matches the + specified standalone key. + + Read-only operation. + + @param[in] Collection The collection to search for StandaloneKey. + + @param[in] StandaloneKey The key to locate among the user structures linked + into Collection. StandaloneKey will be passed to + ORDERED_COLLECTION_KEY_COMPARE. + + @retval NULL StandaloneKey could not be found. + + @return The collection entry that links to the user structure matching + StandaloneKey, otherwise. +**/ +ORDERED_COLLECTION_ENTRY * +EFIAPI +OrderedCollectionFind ( + IN CONST ORDERED_COLLECTION *Collection, + IN CONST VOID *StandaloneKey + ); + + +/** + Find the collection entry of the minimum user structure stored in the + collection. + + Read-only operation. + + @param[in] Collection The collection to return the minimum entry of. The + user structure linked by the minimum entry compares + less than all other user structures in the collection. + + @retval NULL If Collection is empty. + + @return The collection entry that links the minimum user structure, + otherwise. +**/ +ORDERED_COLLECTION_ENTRY * +EFIAPI +OrderedCollectionMin ( + IN CONST ORDERED_COLLECTION *Collection + ); + + +/** + Find the collection entry of the maximum user structure stored in the + collection. + + Read-only operation. + + @param[in] Collection The collection to return the maximum entry of. The + user structure linked by the maximum entry compares + greater than all other user structures in the + collection. + + @retval NULL If Collection is empty. + + @return The collection entry that links the maximum user structure, + otherwise. +**/ +ORDERED_COLLECTION_ENTRY * +EFIAPI +OrderedCollectionMax ( + IN CONST ORDERED_COLLECTION *Collection + ); + + +/** + Get the collection entry of the least user structure that is greater than the + one linked by Entry. + + Read-only operation. + + @param[in] Entry The entry to get the successor entry of. + + @retval NULL If Entry is NULL, or Entry is the maximum entry of its + containing collection (ie. Entry has no successor entry). + + @return The collection entry linking the least user structure that is + greater than the one linked by Entry, otherwise. +**/ +ORDERED_COLLECTION_ENTRY * +EFIAPI +OrderedCollectionNext ( + IN CONST ORDERED_COLLECTION_ENTRY *Entry + ); + + +/** + Get the collection entry of the greatest user structure that is less than the + one linked by Entry. + + Read-only operation. + + @param[in] Entry The entry to get the predecessor entry of. + + @retval NULL If Entry is NULL, or Entry is the minimum entry of its + containing collection (ie. Entry has no predecessor entry). + + @return The collection entry linking the greatest user structure that + is less than the one linked by Entry, otherwise. +**/ +ORDERED_COLLECTION_ENTRY * +EFIAPI +OrderedCollectionPrev ( + IN CONST ORDERED_COLLECTION_ENTRY *Entry + ); + + +/** + Insert (link) a user structure into the collection, allocating a new + collection entry. + + Read-write operation. + + @param[in,out] Collection The collection to insert UserStruct into. + + @param[out] Entry The meaning of this optional, output-only + parameter depends on the return value of the + function. + + When insertion is successful (RETURN_SUCCESS), + Entry is set on output to the new collection entry + that now links UserStruct. + + When insertion fails due to lack of memory + (RETURN_OUT_OF_RESOURCES), Entry is not changed. + + When insertion fails due to key collision (ie. + another user structure is already in the + collection that compares equal to UserStruct), + with return value RETURN_ALREADY_STARTED, then + Entry is set on output to the entry that links the + colliding user structure. This enables + "find-or-insert" in one function call, or helps + with later removal of the colliding element. + + @param[in] UserStruct The user structure to link into the collection. + UserStruct is ordered against in-collection user + structures with the + ORDERED_COLLECTION_USER_COMPARE function. + + @retval RETURN_SUCCESS Insertion successful. A new collection entry + has been allocated, linking UserStruct. The + new collection entry is reported back in + Entry (if the caller requested it). + + Existing ORDERED_COLLECTION_ENTRY pointers + into Collection remain valid. For example, + on-going iterations in the caller can + continue with OrderedCollectionNext() / + OrderedCollectionPrev(), and they will + return the new entry at some point if user + structure order dictates it. + + @retval RETURN_OUT_OF_RESOURCES The function failed to allocate memory for + the new collection entry. The collection has + not been changed. Existing + ORDERED_COLLECTION_ENTRY pointers into + Collection remain valid. + + @retval RETURN_ALREADY_STARTED A user structure has been found in the + collection that compares equal to + UserStruct. The entry linking the colliding + user structure is reported back in Entry (if + the caller requested it). The collection has + not been changed. Existing + ORDERED_COLLECTION_ENTRY pointers into + Collection remain valid. +**/ +RETURN_STATUS +EFIAPI +OrderedCollectionInsert ( + IN OUT ORDERED_COLLECTION *Collection, + OUT ORDERED_COLLECTION_ENTRY **Entry OPTIONAL, + IN VOID *UserStruct + ); + + +/** + Delete an entry from the collection, unlinking the associated user structure. + + Read-write operation. + + @param[in,out] Collection The collection to delete Entry from. + + @param[in] Entry The collection entry to delete from Collection. + The caller is responsible for ensuring that Entry + belongs to Collection, and that Entry is non-NULL + and valid. Entry is typically an earlier return + value, or output parameter, of: + + - OrderedCollectionFind(), for deleting an entry + by user structure key, + + - OrderedCollectionMin() / OrderedCollectionMax(), + for deleting the minimum / maximum entry, + + - OrderedCollectionNext() / + OrderedCollectionPrev(), for deleting an entry + found during an iteration, + + - OrderedCollectionInsert() with return value + RETURN_ALREADY_STARTED, for deleting an entry + whose linked user structure caused collision + during insertion. + + Existing ORDERED_COLLECTION_ENTRY pointers (ie. + iterators) *different* from Entry remain valid. + For example: + + - OrderedCollectionNext() / + OrderedCollectionPrev() iterations in the caller + can be continued from Entry, if + OrderedCollectionNext() or + OrderedCollectionPrev() is called on Entry + *before* OrderedCollectionDelete() is. That is, + fetch the successor / predecessor entry first, + then delete Entry. + + - On-going iterations in the caller that would + have otherwise returned Entry at some point, as + dictated by user structure order, will correctly + reflect the absence of Entry after + OrderedCollectionDelete() is called + mid-iteration. + + @param[out] UserStruct If the caller provides this optional output-only + parameter, then on output it is set to the user + structure originally linked by Entry (which is now + freed). + + This is a convenience that may save the caller a + OrderedCollectionUserStruct() invocation before + calling OrderedCollectionDelete(), in order to + retrieve the user structure being unlinked. +**/ +VOID +EFIAPI +OrderedCollectionDelete ( + IN OUT ORDERED_COLLECTION *Collection, + IN ORDERED_COLLECTION_ENTRY *Entry, + OUT VOID **UserStruct OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PcdLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PcdLib.h new file mode 100644 index 0000000000..7a4a1bdaa3 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PcdLib.h @@ -0,0 +1,2254 @@ +/** @file + Provides library services to get and set Platform Configuration Database entries. + + PCD Library Class provides a PCD usage macro interface for all PCD types. + It should be included in any module that uses PCD. If a module uses dynamic/dynamicex + PCD, module should be linked to a PEIM/DXE library instance to access that PCD. + If a module uses PatchableInModule type PCD, it also needs the library instance to produce + LibPatchPcdSetPtr() interface. For FeatureFlag/Fixed PCD, the macro interface is + translated to a variable or macro that is auto-generated by build tool in + module's autogen.h/autogen.c. + The PcdGetXX(), PcdSetXX(), PcdToken(), and PcdGetNextTokenSpace() operations are + only available prior to ExitBootServices(). If access to PCD values are required + at runtime, then their values must be collected prior to ExitBootServices(). + There are no restrictions on the use of FeaturePcd(), FixedPcdGetXX(), + PatchPcdGetXX(), and PatchPcdSetXX(). + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PCD_LIB_H__ +#define __PCD_LIB_H__ + + +/** + Retrieves a token number based on a token name. + + Returns the token number associated with the PCD token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve the token number for. + + @return The token number associated with the PCD. + +**/ +#define PcdToken(TokenName) _PCD_TOKEN_##TokenName + + +/** + Retrieves a Boolean PCD feature flag based on a token name. + + Returns the Boolean value for the PCD feature flag specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a feature flag PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return Boolean value for the PCD feature flag. + +**/ +#define FeaturePcdGet(TokenName) _PCD_GET_MODE_BOOL_##TokenName + + +/** + Retrieves an 8-bit fixed PCD token value based on a token name. + + Returns the 8-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a fixed at build PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 8-bit value for the token specified by TokenName. + +**/ +#define FixedPcdGet8(TokenName) _PCD_VALUE_##TokenName + + +/** + Retrieves a 16-bit fixed PCD token value based on a token name. + + Returns the 16-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a fixed at build PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 16-bit value for the token specified by TokenName. + +**/ +#define FixedPcdGet16(TokenName) _PCD_VALUE_##TokenName + + +/** + Retrieves a 32-bit fixed PCD token value based on a token name. + + Returns the 32-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a fixed at build PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 32-bit value for the token specified by TokenName. + +**/ +#define FixedPcdGet32(TokenName) _PCD_VALUE_##TokenName + + +/** + Retrieves a 64-bit fixed PCD token value based on a token name. + + Returns the 64-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a fixed at build PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 64-bit value for the token specified by TokenName. + +**/ +#define FixedPcdGet64(TokenName) _PCD_VALUE_##TokenName + + +/** + Retrieves a Boolean fixed PCD token value based on a token name. + + Returns the Boolean value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a fixed at build PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return The Boolean value for the token. + +**/ +#define FixedPcdGetBool(TokenName) _PCD_VALUE_##TokenName + + +/** + Retrieves a pointer to a fixed PCD token buffer based on a token name. + + Returns a pointer to the buffer for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a fixed at build PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A pointer to the buffer. + +**/ +#define FixedPcdGetPtr(TokenName) ((VOID *)_PCD_VALUE_##TokenName) + + +/** + Retrieves an 8-bit binary patchable PCD token value based on a token name. + + Returns the 8-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return An 8-bit binary patchable PCD token value. + +**/ +#define PatchPcdGet8(TokenName) _gPcd_BinaryPatch_##TokenName + +/** + Retrieves a 16-bit binary patchable PCD token value based on a token name. + + Returns the 16-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A 16-bit binary patchable PCD token value. + +**/ +#define PatchPcdGet16(TokenName) _gPcd_BinaryPatch_##TokenName + + +/** + Retrieves a 32-bit binary patchable PCD token value based on a token name. + + Returns the 32-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A 32-bit binary patchable PCD token value. + +**/ +#define PatchPcdGet32(TokenName) _gPcd_BinaryPatch_##TokenName + + +/** + Retrieves a 64-bit binary patchable PCD token value based on a token name. + + Returns the 64-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A 64-bit binary patchable PCD token value. + +**/ +#define PatchPcdGet64(TokenName) _gPcd_BinaryPatch_##TokenName + + +/** + Retrieves a Boolean binary patchable PCD token value based on a token name. + + Returns the Boolean value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return The Boolean value for the token. + +**/ +#define PatchPcdGetBool(TokenName) _gPcd_BinaryPatch_##TokenName + + +/** + Retrieves a pointer to a binary patchable PCD token buffer based on a token name. + + Returns a pointer to the buffer for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A pointer to the buffer for the token. + +**/ +#define PatchPcdGetPtr(TokenName) ((VOID *)_gPcd_BinaryPatch_##TokenName) + + +/** + Sets an 8-bit binary patchable PCD token value based on a token name. + + Sets the 8-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the binary patchable PCD token to set the current value for. + @param Value The 8-bit value to set. + + @return Return the Value that was set. + +**/ +#define PatchPcdSet8(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value)) + + +/** + Sets a 16-bit binary patchable PCD token value based on a token name. + + Sets the 16-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the binary patchable PCD token to set the current value for. + @param Value The 16-bit value to set. + + @return Return the Value that was set. + +**/ +#define PatchPcdSet16(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value)) + + +/** + Sets a 32-bit binary patchable PCD token value based on a token name. + + Sets the 32-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the binary patchable PCD token to set the current value for. + @param Value The 32-bit value to set. + + @return Return the Value that was set. + +**/ +#define PatchPcdSet32(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value)) + + +/** + Sets a 64-bit binary patchable PCD token value based on a token name. + + Sets the 64-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the binary patchable PCD token to set the current value for. + @param Value The 64-bit value to set. + + @return Return the Value that was set. + +**/ +#define PatchPcdSet64(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value)) + + +/** + Sets a Boolean binary patchable PCD token value based on a token name. + + Sets the Boolean value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + @param TokenName The name of the binary patchable PCD token to set the current value for. + @param Value The boolean value to set. + + @return Return the Value that was set. + +**/ +#define PatchPcdSetBool(TokenName, Value) (_gPcd_BinaryPatch_##TokenName = (Value)) + + +/** + Sets a pointer to a binary patchable PCD token buffer based on a token name. + + Sets the buffer for the token specified by TokenName. Buffer is returned. + If SizeOfBuffer is greater than the maximum size supported by TokenName, then set SizeOfBuffer + to the maximum size supported by TokenName and return NULL to indicate that the set operation + was not actually performed. If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be + set to the maximum size supported by TokenName and NULL must be returned. + If TokenName is not a valid token in the token space, then the module will not build. + If TokenName is not a patchable in module PCD, then the module will not build. + + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param TokenName The name of the binary patchable PCD token to set the current value for. + @param SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param Buffer Pointer to the value to set. + + @return Return the pointer to the Buffer that was set. + +**/ +#define PatchPcdSetPtr(TokenName, Size, Buffer) \ + LibPatchPcdSetPtrAndSize ( \ + (VOID *)_gPcd_BinaryPatch_##TokenName, \ + &_gPcd_BinaryPatch_Size_##TokenName, \ + (UINTN)_PCD_PATCHABLE_##TokenName##_SIZE, \ + (Size), \ + (Buffer) \ + ) +/** + Retrieves an 8-bit PCD token value based on a token name. + + Returns the 8-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 8-bit value for the token specified by TokenName. + +**/ +#define PcdGet8(TokenName) _PCD_GET_MODE_8_##TokenName + + +/** + Retrieves a 16-bit PCD token value based on a token name. + + Returns the 16-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 16-bit value for the token specified by TokenName. + +**/ +#define PcdGet16(TokenName) _PCD_GET_MODE_16_##TokenName + + +/** + Retrieves a 32-bit PCD token value based on a token name. + + Returns the 32-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 32-bit value for the token specified by TokenName. + +**/ +#define PcdGet32(TokenName) _PCD_GET_MODE_32_##TokenName + + +/** + Retrieves a 64-bit PCD token value based on a token name. + + Returns the 64-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return 64-bit value for the token specified by TokenName. + +**/ +#define PcdGet64(TokenName) _PCD_GET_MODE_64_##TokenName + + +/** + Retrieves a pointer to a PCD token buffer based on a token name. + + Returns a pointer to the buffer for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A pointer to the buffer. + +**/ +#define PcdGetPtr(TokenName) _PCD_GET_MODE_PTR_##TokenName + + +/** + Retrieves a Boolean PCD token value based on a token name. + + Returns the Boolean value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A Boolean PCD token value. + +**/ +#define PcdGetBool(TokenName) _PCD_GET_MODE_BOOL_##TokenName + + +/** + Retrieves the size of a fixed PCD token based on a token name. + + Returns the size of the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param[in] TokenName The name of the PCD token to retrieve a current value size for. + + @return Return the size + +**/ +#define FixedPcdGetSize(TokenName) _PCD_SIZE_##TokenName + + +/** + Retrieves the size of a binary patchable PCD token based on a token name. + + Returns the size of the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param[in] TokenName The name of the PCD token to retrieve a current value size for. + + @return Return the size + +**/ +#define PatchPcdGetSize(TokenName) _gPcd_BinaryPatch_Size_##TokenName + + +/** + Retrieves the size of the PCD token based on a token name. + + Returns the size of the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param[in] TokenName The name of the PCD token to retrieve a current value size for. + + @return Return the size + +**/ +#define PcdGetSize(TokenName) _PCD_GET_MODE_SIZE_##TokenName + + +/** + Retrieve the size of a given PCD token. + + Returns the size of the token specified by TokenNumber and Guid. + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value size for. + + @return Return the size. + +**/ +#define PcdGetExSize(Guid, TokenName) LibPcdGetExSize ((Guid), PcdTokenEx(Guid,TokenName)) + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES +/** + Sets an 8-bit PCD token value based on a token name. + + Sets the 8-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 8-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSet8(TokenName, Value) _PCD_SET_MODE_8_##TokenName ((Value)) + + +/** + Sets a 16-bit PCD token value based on a token name. + + Sets the 16-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 16-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSet16(TokenName, Value) _PCD_SET_MODE_16_##TokenName ((Value)) + + +/** + Sets a 32-bit PCD token value based on a token name. + + Sets the 32-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 32-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSet32(TokenName, Value) _PCD_SET_MODE_32_##TokenName ((Value)) + + +/** + Sets a 64-bit PCD token value based on a token name. + + Sets the 64-bit value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 64-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSet64(TokenName, Value) _PCD_SET_MODE_64_##TokenName ((Value)) + + +/** + Sets a pointer to a PCD token buffer based on a token name. + + Sets the buffer for the token specified by TokenName. Buffer is returned. + If SizeOfBuffer is greater than the maximum size supported by TokenName, + then set SizeOfBuffer to the maximum size supported by TokenName and return NULL + to indicate that the set operation was not actually performed. If SizeOfBuffer + is set to MAX_ADDRESS, then SizeOfBuffer must be set to the maximum size supported + by TokenName and NULL must be returned. + If TokenName is not a valid token in the token space, then the module will not build. + + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param TokenName The name of the PCD token to set the current value for. + @param SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param Buffer A pointer to the buffer to set. + + @return Return the pointer to the Buffer that was set. + +**/ +#define PcdSetPtr(TokenName, SizeOfBuffer, Buffer) \ + _PCD_SET_MODE_PTR_##TokenName ((SizeOfBuffer), (Buffer)) + +/** + Sets a Boolean PCD token value based on a token name. + + Sets the Boolean value for the token specified by TokenName. Value is returned. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to set the current value for. + @param Buffer The Boolean value to set. + + @return Return the Value that was set. + +**/ +#define PcdSetBool(TokenName, Value) _PCD_SET_MODE_BOOL_##TokenName ((Value)) +#endif + +/** + Sets a 8-bit PCD token value based on a token name. + + Sets the 8-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 8-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSet8S(TokenName, Value) _PCD_SET_MODE_8_S_##TokenName ((Value)) + +/** + Sets a 16-bit PCD token value based on a token name. + + Sets the 16-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 16-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSet16S(TokenName, Value) _PCD_SET_MODE_16_S_##TokenName ((Value)) + +/** + Sets a 32-bit PCD token value based on a token name. + + Sets the 32-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 32-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSet32S(TokenName, Value) _PCD_SET_MODE_32_S_##TokenName ((Value)) + +/** + Sets a 64-bit PCD token value based on a token name. + + Sets the 64-bit value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The 64-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSet64S(TokenName, Value) _PCD_SET_MODE_64_S_##TokenName ((Value)) + +/** + Sets a pointer to a PCD token buffer based on a token name. + + Sets the buffer for the token specified by TokenName. + If SizeOfBuffer is greater than the maximum size supported by TokenName, + then set SizeOfBuffer to the maximum size supported by TokenName and return + RETURN_INVALID_PARAMETER to indicate that the set operation was not actually performed. + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the maximum size + supported by TokenName and RETURN_INVALID_PARAMETER must be returned. + If TokenName is not a valid token in the token space, then the module will not build. + + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param TokenName The name of the PCD token to set the current value for. + @param SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param Buffer A pointer to the buffer to set. + + @return The status of the set operation. + +**/ +#define PcdSetPtrS(TokenName, SizeOfBuffer, Buffer) \ + _PCD_SET_MODE_PTR_S_##TokenName ((SizeOfBuffer), (Buffer)) + + + +/** + Sets a boolean PCD token value based on a token name. + + Sets the boolean value for the token specified by TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param TokenName The name of the PCD token to retrieve a current value for. + @param Value The boolean value to set. + + @return The status of the set operation. + +**/ +#define PcdSetBoolS(TokenName, Value) _PCD_SET_MODE_BOOL_S_##TokenName ((Value)) + +/** + Retrieves a token number based on a GUID and a token name. + + Returns the token number for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space, then the module will not build. + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return Return the token number. + +**/ +#define PcdTokenEx(Guid,TokenName) _PCD_TOKEN_EX_##TokenName(Guid) + +/** + Retrieves an 8-bit PCD token value based on a GUID and a token name. + + Returns the 8-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return An 8-bit PCD token value. + +**/ +#define PcdGetEx8(Guid, TokenName) LibPcdGetEx8 ((Guid), PcdTokenEx(Guid,TokenName)) + +/** + Retrieves a 16-bit PCD token value based on a GUID and a token name. + + Returns the 16-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A 16-bit PCD token value. + +**/ +#define PcdGetEx16(Guid, TokenName) LibPcdGetEx16 ((Guid), PcdTokenEx(Guid,TokenName)) + + +/** + Retrieves a 32-bit PCD token value based on a GUID and a token name. + + Returns the 32-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A 32-bit PCD token value. + +**/ +#define PcdGetEx32(Guid, TokenName) LibPcdGetEx32 ((Guid), PcdTokenEx(Guid,TokenName)) + + +/** + Retrieves a 64-bit PCD token value based on a GUID and a token name. + + Returns the 64-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A 64-bit PCD token value. + +**/ +#define PcdGetEx64(Guid, TokenName) LibPcdGetEx64 ((Guid), PcdTokenEx(Guid,TokenName)) + + +/** + Retrieves a pointer to a PCD token buffer based on a GUID and a token name. + + Returns a pointer to the buffer for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A pointer to a PCD token buffer. + +**/ +#define PcdGetExPtr(Guid, TokenName) LibPcdGetExPtr ((Guid), PcdTokenEx(Guid,TokenName)) + + +/** + Retrieves a Boolean PCD token value based on a GUID and a token name. + + Returns the Boolean value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to retrieve a current value for. + + @return A Boolean PCD token value. + +**/ +#define PcdGetExBool(Guid, TokenName) LibPcdGetExBool ((Guid), PcdTokenEx(Guid,TokenName)) + + + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES +/** + Sets an 8-bit PCD token value based on a GUID and a token name. + + Sets the 8-bit value for the token specified by Guid and TokenName. Value is returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 8-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSetEx8(Guid, TokenName, Value) LibPcdSetEx8 ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + + +/** + Sets a 16-bit PCD token value based on a GUID and a token name. + + Sets the 16-bit value for the token specified by Guid and TokenName. Value is returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 16-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSetEx16(Guid, TokenName, Value) LibPcdSetEx16 ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + + +/** + Sets a 32-bit PCD token value based on a GUID and a token name. + + Sets the 32-bit value for the token specified by Guid and TokenName. Value is returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 32-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSetEx32(Guid, TokenName, Value) LibPcdSetEx32 ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + + +/** + Sets a 64-bit PCD token value based on a GUID and a token name. + + Sets the 64-bit value for the token specified by Guid and TokenName. Value is returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 64-bit value to set. + + @return Return the Value that was set. + +**/ +#define PcdSetEx64(Guid, TokenName, Value) LibPcdSetEx64 ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + + +/** + Sets a pointer to a PCD token buffer based on a GUID and a token name. + + Sets the buffer for the token specified by Guid and TokenName. Buffer is returned. + If SizeOfBuffer is greater than the maximum size supported by Guid and TokenName, + then set SizeOfBuffer to the maximum size supported by Guid and TokenName and return + NULL to indicate that the set operation was not actually performed. If SizeOfBuffer + is set to MAX_ADDRESS, then SizeOfBuffer must be set to the maximum size supported by + Guid and TokenName and NULL must be returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param Buffer Pointer to the buffer to set. + + @return Return the pointer to the Buffer that was set. + +**/ +#define PcdSetExPtr(Guid, TokenName, SizeOfBuffer, Buffer) \ + LibPcdSetExPtr ((Guid), PcdTokenEx(Guid,TokenName), (SizeOfBuffer), (Buffer)) + + +/** + Sets a Boolean PCD token value based on a GUID and a token name. + + Sets the Boolean value for the token specified by Guid and TokenName. Value is returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The Boolean value to set. + + @return Return the Value that was set. + +**/ +#define PcdSetExBool(Guid, TokenName, Value) \ + LibPcdSetExBool((Guid), PcdTokenEx(Guid,TokenName), (Value)) +#endif + +/** + Sets an 8-bit PCD token value based on a GUID and a token name. + + Sets the 8-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 8-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSetEx8S(Guid, TokenName, Value) LibPcdSetEx8S ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + +/** + Sets an 16-bit PCD token value based on a GUID and a token name. + + Sets the 16-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 16-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSetEx16S(Guid, TokenName, Value) LibPcdSetEx16S ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + +/** + Sets an 32-bit PCD token value based on a GUID and a token name. + + Sets the 32-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 32-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSetEx32S(Guid, TokenName, Value) LibPcdSetEx32S ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + +/** + Sets an 64-bit PCD token value based on a GUID and a token name. + + Sets the 64-bit value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The 64-bit value to set. + + @return The status of the set operation. + +**/ +#define PcdSetEx64S(Guid, TokenName, Value) LibPcdSetEx64S ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + +/** + Sets a pointer to a PCD token buffer based on a GUID and a token name. + + Sets the buffer for the token specified by Guid and TokenName. + If SizeOfBuffer is greater than the maximum size supported by Guid and TokenName, + then set SizeOfBuffer to the maximum size supported by Guid and TokenName and return + RETURN_INVALID_PARAMETER to indicate that the set operation was not actually performed. + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the maximum size + supported by Guid and TokenName and RETURN_INVALID_PARAMETER must be returned. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param Buffer Pointer to the buffer to set. + + @return The status of the set operation. + +**/ +#define PcdSetExPtrS(Guid, TokenName, SizeOfBuffer, Buffer) \ + LibPcdSetExPtrS ((Guid), PcdTokenEx(Guid,TokenName), (SizeOfBuffer), (Buffer)) + + +/** + Sets an boolean PCD token value based on a GUID and a token name. + + Sets the boolean value for the token specified by Guid and TokenName. + If TokenName is not a valid token in the token space specified by Guid, + then the module will not build. + + If Guid is NULL, then ASSERT(). + + @param Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param TokenName The name of the PCD token to set the current value for. + @param Value The boolean value to set. + + @return The status of the set operation. + +**/ +#define PcdSetExBoolS(Guid, TokenName, Value) \ + LibPcdSetExBoolS ((Guid), PcdTokenEx(Guid,TokenName), (Value)) + +/** + This function provides a means by which SKU support can be established in the PCD infrastructure. + + Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned. + + @param SkuId The SKU value that will be used when the PCD service retrieves and sets values + associated with a PCD token. + + @return Return the SKU ID that was set. + +**/ +UINTN +EFIAPI +LibPcdSetSku ( + IN UINTN SkuId + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 8-bit value for the token specified by TokenNumber. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the 8-bit value for the token specified by TokenNumber. + +**/ +UINT8 +EFIAPI +LibPcdGet8 ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 16-bit value for the token specified by TokenNumber. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the 16-bit value for the token specified by TokenNumber. + +**/ +UINT16 +EFIAPI +LibPcdGet16 ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 32-bit value for the token specified by TokenNumber. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the 32-bit value for the token specified by TokenNumber. + +**/ +UINT32 +EFIAPI +LibPcdGet32 ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 64-bit value for the token specified by TokenNumber. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the 64-bit value for the token specified by TokenNumber. + +**/ +UINT64 +EFIAPI +LibPcdGet64 ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the pointer to the buffer of the token specified by TokenNumber. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the pointer to the token specified by TokenNumber. + +**/ +VOID * +EFIAPI +LibPcdGetPtr ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the Boolean value of the token specified by TokenNumber. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the Boolean value of the token specified by TokenNumber. + +**/ +BOOLEAN +EFIAPI +LibPcdGetBool ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve the size of a given PCD token. + + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Returns the size of the token specified by TokenNumber. + +**/ +UINTN +EFIAPI +LibPcdGetSize ( + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 8-bit value for the token specified by TokenNumber and Guid. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the UINT8. + +**/ +UINT8 +EFIAPI +LibPcdGetEx8 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 16-bit value for the token specified by TokenNumber and Guid. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the UINT16. + +**/ +UINT16 +EFIAPI +LibPcdGetEx16 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +/** + Returns the 32-bit value for the token specified by TokenNumber and Guid. + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the UINT32. + +**/ +UINT32 +EFIAPI +LibPcdGetEx32 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the 64-bit value for the token specified by TokenNumber and Guid. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the UINT64. + +**/ +UINT64 +EFIAPI +LibPcdGetEx64 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the pointer to the buffer of token specified by TokenNumber and Guid. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the VOID* pointer. + +**/ +VOID * +EFIAPI +LibPcdGetExPtr ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve a value for a given PCD token. + + Returns the Boolean value of the token specified by TokenNumber and Guid. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the BOOLEAN. + +**/ +BOOLEAN +EFIAPI +LibPcdGetExBool ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +/** + This function provides a means by which to retrieve the size of a given PCD token. + + Returns the size of the token specified by TokenNumber and Guid. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates + which namespace to retrieve a value from. + @param[in] TokenNumber The PCD token number to retrieve a current value for. + + @return Return the size. + +**/ +UINTN +EFIAPI +LibPcdGetExSize ( + IN CONST GUID *Guid, + IN UINTN TokenNumber + ); + + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 8-bit value for the token specified by TokenNumber + to the value specified by Value. Value is returned. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 8-bit value to set. + + @return Return the Value that was set. + +**/ +UINT8 +EFIAPI +LibPcdSet8 ( + IN UINTN TokenNumber, + IN UINT8 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 16-bit value for the token specified by TokenNumber + to the value specified by Value. Value is returned. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 16-bit value to set. + + @return Return the Value that was set. + +**/ +UINT16 +EFIAPI +LibPcdSet16 ( + IN UINTN TokenNumber, + IN UINT16 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 32-bit value for the token specified by TokenNumber + to the value specified by Value. Value is returned. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 32-bit value to set. + + @return Return the Value that was set. + +**/ +UINT32 +EFIAPI +LibPcdSet32 ( + IN UINTN TokenNumber, + IN UINT32 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 64-bit value for the token specified by TokenNumber + to the value specified by Value. Value is returned. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 64-bit value to set. + + @return Return the Value that was set. + +**/ +UINT64 +EFIAPI +LibPcdSet64 ( + IN UINTN TokenNumber, + IN UINT64 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets a buffer for the token specified by TokenNumber to the value + specified by Buffer and SizeOfBuffer. Buffer is returned. + If SizeOfBuffer is greater than the maximum size support by TokenNumber, + then set SizeOfBuffer to the maximum size supported by TokenNumber and + return NULL to indicate that the set operation was not actually performed. + + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the + maximum size supported by TokenName and NULL must be returned. + + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in, out] SizeOfBuffer The size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to set. + + @return Return the pointer for the Buffer that was set. + +**/ +VOID * +EFIAPI +LibPcdSetPtr ( + IN UINTN TokenNumber, + IN OUT UINTN *SizeOfBuffer, + IN CONST VOID *Buffer + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the Boolean value for the token specified by TokenNumber + to the value specified by Value. Value is returned. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The boolean value to set. + + @return Return the Value that was set. + +**/ +BOOLEAN +EFIAPI +LibPcdSetBool ( + IN UINTN TokenNumber, + IN BOOLEAN Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 8-bit value for the token specified by TokenNumber and + Guid to the value specified by Value. Value is returned. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 8-bit value to set. + + @return Return the Value that was set. + +**/ +UINT8 +EFIAPI +LibPcdSetEx8 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT8 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 16-bit value for the token specified by TokenNumber and + Guid to the value specified by Value. Value is returned. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 16-bit value to set. + + @return Return the Value that was set. + +**/ +UINT16 +EFIAPI +LibPcdSetEx16 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT16 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 32-bit value for the token specified by TokenNumber and + Guid to the value specified by Value. Value is returned. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 32-bit value to set. + + @return Return the Value that was set. + +**/ +UINT32 +EFIAPI +LibPcdSetEx32 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT32 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 64-bit value for the token specified by TokenNumber and + Guid to the value specified by Value. Value is returned. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 64-bit value to set. + + @return Return the Value that was set. + +**/ +UINT64 +EFIAPI +LibPcdSetEx64 ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT64 Value + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets a buffer for the token specified by TokenNumber to the value specified by + Buffer and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than + the maximum size support by TokenNumber, then set SizeOfBuffer to the maximum size + supported by TokenNumber and return NULL to indicate that the set operation + was not actually performed. + + If Guid is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in, out] SizeOfBuffer The size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to set. + + @return Return the pointer to the Buffer that was set. + +**/ +VOID * +EFIAPI +LibPcdSetExPtr ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN OUT UINTN *SizeOfBuffer, + IN VOID *Buffer + ); + + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the Boolean value for the token specified by TokenNumber and + Guid to the value specified by Value. Value is returned. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The Boolean value to set. + + @return Return the Value that was set. + +**/ +BOOLEAN +EFIAPI +LibPcdSetExBool ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN BOOLEAN Value + ); +#endif + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 8-bit value for the token specified by TokenNumber + to the value specified by Value. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 8-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSet8S ( + IN UINTN TokenNumber, + IN UINT8 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 16-bit value for the token specified by TokenNumber + to the value specified by Value. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 16-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSet16S ( + IN UINTN TokenNumber, + IN UINT16 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 32-bit value for the token specified by TokenNumber + to the value specified by Value. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 32-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSet32S ( + IN UINTN TokenNumber, + IN UINT32 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 64-bit value for the token specified by TokenNumber + to the value specified by Value. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 64-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSet64S ( + IN UINTN TokenNumber, + IN UINT64 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets a buffer for the token specified by TokenNumber to the value specified + by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than the maximum size + support by TokenNumber, then set SizeOfBuffer to the maximum size supported by + TokenNumber and return RETURN_INVALID_PARAMETER to indicate that the set operation + was not actually performed. + + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the + maximum size supported by TokenName and RETURN_INVALID_PARAMETER must be returned. + + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in, out] SizeOfBuffer The size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetPtrS ( + IN UINTN TokenNumber, + IN OUT UINTN *SizeOfBuffer, + IN CONST VOID *Buffer + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the boolean value for the token specified by TokenNumber + to the value specified by Value. + + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The boolean value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetBoolS ( + IN UINTN TokenNumber, + IN BOOLEAN Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 8-bit value for the token specified by TokenNumber + to the value specified by Value. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid The pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 8-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetEx8S ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT8 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 16-bit value for the token specified by TokenNumber + to the value specified by Value. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid The pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 16-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetEx16S ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT16 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 32-bit value for the token specified by TokenNumber + to the value specified by Value. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid The pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 32-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetEx32S ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT32 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the 64-bit value for the token specified by TokenNumber + to the value specified by Value. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid The pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The 64-bit value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetEx64S ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN UINT64 Value + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets a buffer for the token specified by TokenNumber to the value specified by + Buffer and SizeOfBuffer. If SizeOfBuffer is greater than the maximum size + support by TokenNumber, then set SizeOfBuffer to the maximum size supported by + TokenNumber and return RETURN_INVALID_PARAMETER to indicate that the set operation + was not actually performed. + + If Guid is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in, out] SizeOfBuffer The size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetExPtrS ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN OUT UINTN *SizeOfBuffer, + IN VOID *Buffer + ); + +/** + This function provides a means by which to set a value for a given PCD token. + + Sets the boolean value for the token specified by TokenNumber + to the value specified by Value. + + If Guid is NULL, then ASSERT(). + + @param[in] Guid The pointer to a 128-bit unique value that + designates which namespace to set a value from. + @param[in] TokenNumber The PCD token number to set a current value for. + @param[in] Value The boolean value to set. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPcdSetExBoolS ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + IN BOOLEAN Value + ); + +/** + This notification function serves two purposes. + + Firstly, it notifies the module that did the registration that the value of this + PCD token has been set. + Secondly, it provides a mechanism for the module that did the registration to intercept + the set operation and override the value been set if necessary. After the invocation of + the callback function, TokenData will be used by PCD service PEIM or driver to modify th + internal data in PCD database. + + @param[in] CallBackGuid The PCD token GUID being set. + @param[in] CallBackToken The PCD token number being set. + @param[in, out] TokenData A pointer to the token data being set. + @param[in] TokenDataSize The size, in bytes, of the data being set. + +**/ +typedef +VOID +(EFIAPI *PCD_CALLBACK)( + IN CONST GUID *CallBackGuid, OPTIONAL + IN UINTN CallBackToken, + IN OUT VOID *TokenData, + IN UINTN TokenDataSize + ); + + +/** + Set up a notification function that is called when a specified token is set. + + When the token specified by TokenNumber and Guid is set, + then notification function specified by NotificationFunction is called. + If Guid is NULL, then the default token space is used. + If NotificationFunction is NULL, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates which + namespace to set a value from. If NULL, then the default + token space is used. + @param[in] TokenNumber The PCD token number to monitor. + @param[in] NotificationFunction The function to call when the token + specified by Guid and TokenNumber is set. + +**/ +VOID +EFIAPI +LibPcdCallbackOnSet ( + IN CONST GUID *Guid, OPTIONAL + IN UINTN TokenNumber, + IN PCD_CALLBACK NotificationFunction + ); + + +/** + Disable a notification function that was established with LibPcdCallbackonSet(). + + Disable a notification function that was previously established with LibPcdCallbackOnSet(). + If NotificationFunction is NULL, then ASSERT(). + If LibPcdCallbackOnSet() was not previously called with Guid, TokenNumber, + and NotificationFunction, then ASSERT(). + + @param[in] Guid Specify the GUID token space. + @param[in] TokenNumber Specify the token number. + @param[in] NotificationFunction The callback function to be unregistered. + +**/ +VOID +EFIAPI +LibPcdCancelCallback ( + IN CONST GUID *Guid, OPTIONAL + IN UINTN TokenNumber, + IN PCD_CALLBACK NotificationFunction + ); + + +/** + Retrieves the next token in a token space. + + Retrieves the next PCD token number from the token space specified by Guid. + If Guid is NULL, then the default token space is used. If TokenNumber is 0, + then the first token number is returned. Otherwise, the token number that + follows TokenNumber in the token space is returned. If TokenNumber is the last + token number in the token space, then 0 is returned. + + If TokenNumber is not 0 and is not in the token space specified by Guid, then ASSERT(). + + @param[in] Guid Pointer to a 128-bit unique value that designates which namespace + to set a value from. If NULL, then the default token space is used. + @param[in] TokenNumber The previous PCD token number. If 0, then retrieves the first PCD + token number. + + @return The next valid token number. + +**/ +UINTN +EFIAPI +LibPcdGetNextToken ( + IN CONST GUID *Guid, OPTIONAL + IN UINTN TokenNumber + ); + + + +/** + Used to retrieve the list of available PCD token space GUIDs. + + Returns the PCD token space GUID that follows TokenSpaceGuid in the list of token spaces + in the platform. + If TokenSpaceGuid is NULL, then a pointer to the first PCD token spaces returned. + If TokenSpaceGuid is the last PCD token space GUID in the list, then NULL is returned. + + @param TokenSpaceGuid Pointer to the a PCD token space GUID + + @return The next valid token namespace. + +**/ +GUID * +EFIAPI +LibPcdGetNextTokenSpace ( + IN CONST GUID *TokenSpaceGuid + ); + + +/** + Sets a value of a patchable PCD entry that is type pointer. + + Sets the PCD entry specified by PatchVariable to the value specified by Buffer + and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than + MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return + NULL to indicate that the set operation was not actually performed. + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to + MaximumDatumSize and NULL must be returned. + + If PatchVariable is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[out] PatchVariable A pointer to the global variable in a module that is + the target of the set operation. + @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable. + @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to used to set the target variable. + + @return Return the pointer to the Buffer that was set. + +**/ +VOID * +EFIAPI +LibPatchPcdSetPtr ( + OUT VOID *PatchVariable, + IN UINTN MaximumDatumSize, + IN OUT UINTN *SizeOfBuffer, + IN CONST VOID *Buffer + ); + +/** + Sets a value of a patchable PCD entry that is type pointer. + + Sets the PCD entry specified by PatchVariable to the value specified + by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than MaximumDatumSize, + then set SizeOfBuffer to MaximumDatumSize and return RETURN_INVALID_PARAMETER + to indicate that the set operation was not actually performed. + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to + MaximumDatumSize and RETURN_INVALID_PARAMETER must be returned. + + If PatchVariable is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[out] PatchVariable A pointer to the global variable in a module that is + the target of the set operation. + @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable. + @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to used to set the target variable. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPatchPcdSetPtrS ( + OUT VOID *PatchVariable, + IN UINTN MaximumDatumSize, + IN OUT UINTN *SizeOfBuffer, + IN CONST VOID *Buffer + ); + +/** + Sets a value and size of a patchable PCD entry that is type pointer. + + Sets the PCD entry specified by PatchVariable to the value specified by Buffer + and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than + MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return + NULL to indicate that the set operation was not actually performed. + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to + MaximumDatumSize and NULL must be returned. + + If PatchVariable is NULL, then ASSERT(). + If SizeOfPatchVariable is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[out] PatchVariable A pointer to the global variable in a module that is + the target of the set operation. + @param[out] SizeOfPatchVariable A pointer to the size, in bytes, of PatchVariable. + @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable. + @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to used to set the target variable. + + @return Return the pointer to the Buffer that was set. + +**/ +VOID * +EFIAPI +LibPatchPcdSetPtrAndSize ( + OUT VOID *PatchVariable, + OUT UINTN *SizeOfPatchVariable, + IN UINTN MaximumDatumSize, + IN OUT UINTN *SizeOfBuffer, + IN CONST VOID *Buffer + ); + +/** + Sets a value and size of a patchable PCD entry that is type pointer. + + Sets the PCD entry specified by PatchVariable to the value specified + by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than MaximumDatumSize, + then set SizeOfBuffer to MaximumDatumSize and return RETURN_INVALID_PARAMETER + to indicate that the set operation was not actually performed. + If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to + MaximumDatumSize and RETURN_INVALID_PARAMETER must be returned. + + If PatchVariable is NULL, then ASSERT(). + If SizeOfPatchVariable is NULL, then ASSERT(). + If SizeOfBuffer is NULL, then ASSERT(). + If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT(). + + @param[out] PatchVariable A pointer to the global variable in a module that is + the target of the set operation. + @param[out] SizeOfPatchVariable A pointer to the size, in bytes, of PatchVariable. + @param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable. + @param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer. + @param[in] Buffer A pointer to the buffer to used to set the target variable. + + @return The status of the set operation. + +**/ +RETURN_STATUS +EFIAPI +LibPatchPcdSetPtrAndSizeS ( + OUT VOID *PatchVariable, + OUT UINTN *SizeOfPatchVariable, + IN UINTN MaximumDatumSize, + IN OUT UINTN *SizeOfBuffer, + IN CONST VOID *Buffer + ); + +typedef enum { + PCD_TYPE_8, + PCD_TYPE_16, + PCD_TYPE_32, + PCD_TYPE_64, + PCD_TYPE_BOOL, + PCD_TYPE_PTR +} PCD_TYPE; + +typedef struct { + /// + /// The returned information associated with the requested TokenNumber. If + /// TokenNumber is 0, then PcdType is set to PCD_TYPE_8. + /// + PCD_TYPE PcdType; + /// + /// The size of the data in bytes associated with the TokenNumber specified. If + /// TokenNumber is 0, then PcdSize is set 0. + /// + UINTN PcdSize; + /// + /// The null-terminated ASCII string associated with a given token. If the + /// TokenNumber specified was 0, then this field corresponds to the null-terminated + /// ASCII string associated with the token's namespace Guid. If NULL, there is no + /// name associated with this request. + /// + CHAR8 *PcdName; +} PCD_INFO; + + +/** + Retrieve additional information associated with a PCD token. + + This includes information such as the type of value the TokenNumber is associated with as well as possible + human readable name that is associated with the token. + + If TokenNumber is not in the default token space specified, then ASSERT(). + + @param[in] TokenNumber The PCD token number. + @param[out] PcdInfo The returned information associated with the requested TokenNumber. + The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. +**/ +VOID +EFIAPI +LibPcdGetInfo ( + IN UINTN TokenNumber, + OUT PCD_INFO *PcdInfo + ); + +/** + Retrieve additional information associated with a PCD token. + + This includes information such as the type of value the TokenNumber is associated with as well as possible + human readable name that is associated with the token. + + If TokenNumber is not in the token space specified by Guid, then ASSERT(). + + @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value. + @param[in] TokenNumber The PCD token number. + @param[out] PcdInfo The returned information associated with the requested TokenNumber. + The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName. +**/ +VOID +EFIAPI +LibPcdGetInfoEx ( + IN CONST GUID *Guid, + IN UINTN TokenNumber, + OUT PCD_INFO *PcdInfo + ); + +/** + Retrieve the currently set SKU Id. + + @return The currently set SKU Id. If the platform has not set at a SKU Id, then the + default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU + Id is returned. +**/ +UINTN +EFIAPI +LibPcdGetSku ( + VOID + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciCf8Lib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciCf8Lib.h new file mode 100644 index 0000000000..41324e5b60 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciCf8Lib.h @@ -0,0 +1,1088 @@ +/** @file + Provides services to access PCI Configuration Space using the I/O ports 0xCF8 and 0xCFC. + + This library is identical to the PCI Library, except the access method for performing PCI + configuration cycles must be through I/O ports 0xCF8 and 0xCFC. This library only allows + access to PCI Segment #0. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PCI_CF8_LIB_H__ +#define __PCI_CF8_LIB_H__ + + +/** + Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an + address that can be passed to the PCI Library functions. + + Computes an address that is compatible with the PCI Library functions. The + unused upper bits of Bus, Device, Function and Register are stripped prior to + the generation of the address. + + @param Bus PCI Bus number. Range 0..255. + @param Device PCI Device number. Range 0..31. + @param Function PCI Function number. Range 0..7. + @param Register PCI Register number. Range 0..255. + + @return The encode PCI address. + +**/ +#define PCI_CF8_LIB_ADDRESS(Bus,Device,Function,Offset) \ + (((Offset) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20)) + +/** + Registers a PCI device so PCI configuration registers may be accessed after + SetVirtualAddressMap(). + + Registers the PCI device specified by Address so all the PCI configuration registers + associated with that PCI device may be accessed after SetVirtualAddressMap() is called. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @retval RETURN_SUCCESS The PCI device was registered for runtime access. + @retval RETURN_UNSUPPORTED An attempt was made to call this function + after ExitBootServices(). + @retval RETURN_UNSUPPORTED The resources required to access the PCI device + at runtime could not be mapped. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to + complete the registration. + +**/ +RETURN_STATUS +EFIAPI +PciCf8RegisterForRuntimeAccess ( + IN UINTN Address + ); + +/** + Reads an 8-bit PCI configuration register. + + Reads and returns the 8-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8Read8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit PCI configuration register. + + Writes the 8-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8Write8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Performs a bitwise OR of an 8-bit PCI configuration register with + an 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8Or8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8And8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value, followed a bitwise OR with another 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8AndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in an 8-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8BitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 8-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8BitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8BitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 8-bit register. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8BitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciCf8BitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit PCI configuration register. + + Reads and returns the 16-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8Read16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit PCI configuration register. + + Writes the 16-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8Write16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Performs a bitwise OR of a 16-bit PCI configuration register with + a 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8Or16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8And16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value, followed a bitwise OR with another 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8AndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 16-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8BitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 16-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8BitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8BitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 16-bit register. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8BitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciCf8BitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit PCI configuration register. + + Reads and returns the 32-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8Read32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit PCI configuration register. + + Writes the 32-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8Write32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Performs a bitwise OR of a 32-bit PCI configuration register with + a 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8Or32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8And32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value, followed a bitwise OR with another 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8AndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 32-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8BitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 32-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8BitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8BitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 32-bit register. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8BitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If the register specified by Address >= 0x100, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciCf8BitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a range of PCI configuration registers into a caller supplied buffer. + + Reads the range of PCI configuration registers specified by StartAddress and + Size into the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be read. Size is + returned. When possible 32-bit PCI configuration read cycles are used to read + from StartAddress to StartAddress + Size. Due to alignment restrictions, 8-bit + and 16-bit PCI configuration read cycles may be used at the beginning and the + end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If the register specified by StartAddress >= 0x100, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x100, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer receiving the data read. + + @return Size read from StartAddress. + +**/ +UINTN +EFIAPI +PciCf8ReadBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + OUT VOID *Buffer + ); + +/** + Copies the data in a caller supplied buffer to a specified range of PCI + configuration space. + + Writes the range of PCI configuration registers specified by StartAddress and + Size from the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be written. Size is + returned. When possible 32-bit PCI configuration write cycles are used to + write from StartAddress to StartAddress + Size. Due to alignment restrictions, + 8-bit and 16-bit PCI configuration write cycles may be used at the beginning + and the end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If the register specified by StartAddress >= 0x100, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x100, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer containing the data to write. + + @return Size written to StartAddress. + +**/ +UINTN +EFIAPI +PciCf8WriteBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciExpressLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciExpressLib.h new file mode 100644 index 0000000000..59bb8100e2 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciExpressLib.h @@ -0,0 +1,1056 @@ +/** @file + Provides services to access PCI Configuration Space using the MMIO PCI Express window. + + This library is identical to the PCI Library, except the access method for performing PCI + configuration cycles must be through the 256 MB PCI Express MMIO window whose base address + is defined by PcdPciExpressBaseAddress. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PCI_EXPRESS_LIB_H__ +#define __PCI_EXPRESS_LIB_H__ + +#include <IndustryStandard/PciExpress21.h> + +/** + Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an + address that can be passed to the PCI Library functions. + + Computes an address that is compatible with the PCI Library functions. The + unused upper bits of Bus, Device, Function and Register are stripped prior to + the generation of the address. + + @param Bus PCI Bus number. Range 0..255. + @param Device PCI Device number. Range 0..31. + @param Function PCI Function number. Range 0..7. + @param Register PCI Register number. Range 0..4095. + + @return The encode PCI address. + +**/ +#define PCI_EXPRESS_LIB_ADDRESS(Bus,Device,Function,Offset) PCI_ECAM_ADDRESS ((Bus), (Device), (Function), (Offset)) + +/** + Registers a PCI device so PCI configuration registers may be accessed after + SetVirtualAddressMap(). + + Registers the PCI device specified by Address so all the PCI configuration + registers associated with that PCI device may be accessed after SetVirtualAddressMap() + is called. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @retval RETURN_SUCCESS The PCI device was registered for runtime access. + @retval RETURN_UNSUPPORTED An attempt was made to call this function + after ExitBootServices(). + @retval RETURN_UNSUPPORTED The resources required to access the PCI device + at runtime could not be mapped. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to + complete the registration. + +**/ +RETURN_STATUS +EFIAPI +PciExpressRegisterForRuntimeAccess ( + IN UINTN Address + ); + +/** + Reads an 8-bit PCI configuration register. + + Reads and returns the 8-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressRead8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit PCI configuration register. + + Writes the 8-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressWrite8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Performs a bitwise OR of an 8-bit PCI configuration register with + an 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressOr8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressAnd8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value, followed a bitwise OR with another 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressAndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in an 8-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressBitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 8-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressBitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressBitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 8-bit register. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressBitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciExpressBitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit PCI configuration register. + + Reads and returns the 16-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressRead16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit PCI configuration register. + + Writes the 16-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressWrite16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Performs a bitwise OR of a 16-bit PCI configuration register with + a 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressOr16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressAnd16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value, followed a bitwise OR with another 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressAndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 16-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressBitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 16-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressBitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressBitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 16-bit register. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressBitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciExpressBitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit PCI configuration register. + + Reads and returns the 32-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressRead32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit PCI configuration register. + + Writes the 32-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressWrite32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Performs a bitwise OR of a 32-bit PCI configuration register with + a 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressOr32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressAnd32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value, followed a bitwise OR with another 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressAndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 32-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressBitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 32-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressBitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressBitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 32-bit register. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressBitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciExpressBitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a range of PCI configuration registers into a caller supplied buffer. + + Reads the range of PCI configuration registers specified by StartAddress and + Size into the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be read. Size is + returned. When possible 32-bit PCI configuration read cycles are used to read + from StartAddress to StartAddress + Size. Due to alignment restrictions, 8-bit + and 16-bit PCI configuration read cycles may be used at the beginning and the + end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer receiving the data read. + + @return Size read data from StartAddress. + +**/ +UINTN +EFIAPI +PciExpressReadBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + OUT VOID *Buffer + ); + +/** + Copies the data in a caller supplied buffer to a specified range of PCI + configuration space. + + Writes the range of PCI configuration registers specified by StartAddress and + Size from the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be written. Size is + returned. When possible 32-bit PCI configuration write cycles are used to + write from StartAddress to StartAddress + Size. Due to alignment restrictions, + 8-bit and 16-bit PCI configuration write cycles may be used at the beginning + and the end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer containing the data to write. + + @return Size written to StartAddress. + +**/ +UINTN +EFIAPI +PciExpressWriteBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciLib.h new file mode 100644 index 0000000000..1b3c13eb2f --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciLib.h @@ -0,0 +1,1056 @@ +/** @file + Provides services to access PCI Configuration Space. + + These functions perform PCI configuration cycles using the default PCI configuration + access method. This may use I/O ports 0xCF8 and 0xCFC to perform PCI configuration accesses, + or it may use MMIO registers relative to the PcdPciExpressBaseAddress, or it may use some + alternate access method. Modules will typically use the PCI Library for its PCI configuration + accesses. However, if a module requires a mix of PCI access methods, the PCI CF8 Library or + PCI Express Library may be used in conjunction with the PCI Library. The functionality of + these three libraries is identical. The PCI CF8 Library and PCI Express Library simply use + explicit access methods. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PCI_LIB_H__ +#define __PCI_LIB_H__ + +/** + Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an + address that can be passed to the PCI Library functions. + + @param Bus PCI Bus number. Range 0..255. + @param Device PCI Device number. Range 0..31. + @param Function PCI Function number. Range 0..7. + @param Register PCI Register number. Range 0..255 for PCI. Range 0..4095 + for PCI Express. + + @return The encoded PCI address. + +**/ +#define PCI_LIB_ADDRESS(Bus,Device,Function,Register) \ + (((Register) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20)) + +/** + Registers a PCI device so PCI configuration registers may be accessed after + SetVirtualAddressMap(). + + Registers the PCI device specified by Address so all the PCI configuration registers + associated with that PCI device may be accessed after SetVirtualAddressMap() is called. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @retval RETURN_SUCCESS The PCI device was registered for runtime access. + @retval RETURN_UNSUPPORTED An attempt was made to call this function + after ExitBootServices(). + @retval RETURN_UNSUPPORTED The resources required to access the PCI device + at runtime could not be mapped. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to + complete the registration. + +**/ +RETURN_STATUS +EFIAPI +PciRegisterForRuntimeAccess ( + IN UINTN Address + ); + +/** + Reads an 8-bit PCI configuration register. + + Reads and returns the 8-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciRead8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit PCI configuration register. + + Writes the 8-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciWrite8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Performs a bitwise OR of an 8-bit PCI configuration register with + an 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciOr8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciAnd8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value, followed by a bitwise OR with another 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciAndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in an 8-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciBitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 8-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciBitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciBitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 8-bit register. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciBitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciBitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit PCI configuration register. + + Reads and returns the 16-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciRead16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit PCI configuration register. + + Writes the 16-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciWrite16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Performs a bitwise OR of a 16-bit PCI configuration register with + a 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciOr16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciAnd16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value, followed a bitwise OR with another 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciAndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 16-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciBitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 16-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciBitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciBitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 16-bit register. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciBitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciBitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit PCI configuration register. + + Reads and returns the 32-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciRead32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit PCI configuration register. + + Writes the 32-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciWrite32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Performs a bitwise OR of a 32-bit PCI configuration register with + a 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciOr32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciAnd32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value, followed a bitwise OR with another 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciAndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 32-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciBitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 32-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciBitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciBitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 32-bit register. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciBitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciBitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a range of PCI configuration registers into a caller supplied buffer. + + Reads the range of PCI configuration registers specified by StartAddress and + Size into the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be read. Size is + returned. When possible 32-bit PCI configuration read cycles are used to read + from StartAddress to StartAddress + Size. Due to alignment restrictions, 8-bit + and 16-bit PCI configuration read cycles may be used at the beginning and the + end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer receiving the data read. + + @return Size + +**/ +UINTN +EFIAPI +PciReadBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + OUT VOID *Buffer + ); + +/** + Copies the data in a caller supplied buffer to a specified range of PCI + configuration space. + + Writes the range of PCI configuration registers specified by StartAddress and + Size from the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be written. Size is + returned. When possible 32-bit PCI configuration write cycles are used to + write from StartAddress to StartAddress + Size. Due to alignment restrictions, + 8-bit and 16-bit PCI configuration write cycles may be used at the beginning + and the end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer containing the data to write. + + @return Size written to StartAddress. + +**/ +UINTN +EFIAPI +PciWriteBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciSegmentInfoLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciSegmentInfoLib.h new file mode 100644 index 0000000000..228d75793b --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciSegmentInfoLib.h @@ -0,0 +1,35 @@ +/** @file + Provides services to return segment information on a platform with multiple PCI segments. + + This library is consumed by PciSegmentLib to support multiple segment PCI configuration access. + + Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PCI_SEGMENT_INFO_LIB__ +#define __PCI_SEGMENT_INFO_LIB__ + +typedef struct { + UINT16 SegmentNumber; ///< Segment number. + UINT64 BaseAddress; ///< ECAM Base address. + UINT8 StartBusNumber; ///< Start BUS number, for verifying the PCI Segment address. + UINT8 EndBusNumber; ///< End BUS number, for verifying the PCI Segment address. +} PCI_SEGMENT_INFO; + +/** + Return an array of PCI_SEGMENT_INFO holding the segment information. + + Note: The returned array/buffer is owned by callee. + + @param Count Return the count of segments. + + @retval A callee owned array holding the segment information. +**/ +PCI_SEGMENT_INFO * +GetPciSegmentInfo ( + UINTN *Count + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciSegmentLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciSegmentLib.h new file mode 100644 index 0000000000..1054a7c465 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PciSegmentLib.h @@ -0,0 +1,1043 @@ +/** @file + Provides services to access PCI Configuration Space on a platform with multiple PCI segments. + + The PCI Segment Library function provide services to read, write, and modify the PCI configuration + registers on PCI root bridges on any supported PCI segment. These library services take a single + address parameter that encodes the PCI Segment, PCI Bus, PCI Device, PCI Function, and PCI Register. + The layout of this address parameter is as follows: + + PCI Register: Bits 0..11 + PCI Function Bits 12..14 + PCI Device Bits 15..19 + PCI Bus Bits 20..27 + Reserved Bits 28..31. Must be 0. + PCI Segment Bits 32..47 + Reserved Bits 48..63. Must be 0. + + | Reserved (MBZ) | Segment | Reserved (MBZ) | Bus | Device | Function | Register | + 63 48 47 32 31 28 27 20 19 15 14 12 11 0 + + These functions perform PCI configuration cycles using the default PCI configuration access + method. This may use I/O ports 0xCF8 and 0xCFC to perform PCI configuration accesses, or it + may use MMIO registers relative to the PcdPciExpressBaseAddress, or it may use some alternate + access method. Modules will typically use the PCI Segment Library for its PCI configuration + accesses when PCI Segments other than Segment #0 must be accessed. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PCI_SEGMENT_LIB__ +#define __PCI_SEGMENT_LIB__ + + +/** + Macro that converts PCI Segment, PCI Bus, PCI Device, PCI Function, + and PCI Register to an address that can be passed to the PCI Segment Library functions. + + Computes an address that is compatible with the PCI Segment Library functions. + The unused upper bits of Segment, Bus, Device, Function, + and Register are stripped prior to the generation of the address. + + @param Segment PCI Segment number. Range 0..65535. + @param Bus PCI Bus number. Range 0..255. + @param Device PCI Device number. Range 0..31. + @param Function PCI Function number. Range 0..7. + @param Register PCI Register number. Range 0..255 for PCI. Range 0..4095 for PCI Express. + + @return The address that is compatible with the PCI Segment Library functions. + +**/ +#define PCI_SEGMENT_LIB_ADDRESS(Segment,Bus,Device,Function,Register) \ + ((Segment != 0) ? \ + ( ((Register) & 0xfff) | \ + (((Function) & 0x07) << 12) | \ + (((Device) & 0x1f) << 15) | \ + (((Bus) & 0xff) << 20) | \ + (LShiftU64 ((Segment) & 0xffff, 32)) \ + ) : \ + ( ((Register) & 0xfff) | \ + (((Function) & 0x07) << 12) | \ + (((Device) & 0x1f) << 15) | \ + (((Bus) & 0xff) << 20) \ + ) \ + ) + +/** + Register a PCI device so PCI configuration registers may be accessed after + SetVirtualAddressMap(). + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Bus, Device, Function and + Register. + + @retval RETURN_SUCCESS The PCI device was registered for runtime access. + @retval RETURN_UNSUPPORTED An attempt was made to call this function + after ExitBootServices(). + @retval RETURN_UNSUPPORTED The resources required to access the PCI device + at runtime could not be mapped. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources available to + complete the registration. + +**/ +RETURN_STATUS +EFIAPI +PciSegmentRegisterForRuntimeAccess ( + IN UINTN Address + ); + +/** + Reads an 8-bit PCI configuration register. + + Reads and returns the 8-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + + @return The 8-bit PCI configuration register specified by Address. + +**/ +UINT8 +EFIAPI +PciSegmentRead8 ( + IN UINT64 Address + ); + +/** + Writes an 8-bit PCI configuration register. + + Writes the 8-bit PCI configuration register specified by Address with the value specified by Value. + Value is returned. This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentWrite8 ( + IN UINT64 Address, + IN UINT8 Value + ); + +/** + Performs a bitwise OR of an 8-bit PCI configuration register with an 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, + performs a bitwise OR between the read result and the value specified by OrData, + and writes the result to the 8-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentOr8 ( + IN UINT64 Address, + IN UINT8 OrData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + and writes the result to the 8-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentAnd8 ( + IN UINT64 Address, + IN UINT8 AndData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value, + followed a bitwise OR with another 8-bit value. + + Reads the 8-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and the value specified by OrData, + and writes the result to the 8-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentAndThenOr8 ( + IN UINT64 Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in an 8-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentBitFieldRead8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 8-bit register is returned. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentBitFieldWrite8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentBitFieldOr8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 8-bit register. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentBitFieldAnd8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the 8-bit port. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +PciSegmentBitFieldAndThenOr8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit PCI configuration register. + + Reads and returns the 16-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + + @return The 16-bit PCI configuration register specified by Address. + +**/ +UINT16 +EFIAPI +PciSegmentRead16 ( + IN UINT64 Address + ); + +/** + Writes a 16-bit PCI configuration register. + + Writes the 16-bit PCI configuration register specified by Address with the value specified by Value. + Value is returned. This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param Value The value to write. + + @return The parameter of Value. + +**/ +UINT16 +EFIAPI +PciSegmentWrite16 ( + IN UINT64 Address, + IN UINT16 Value + ); + +/** + Performs a bitwise OR of a 16-bit PCI configuration register with + a 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by OrData, and + writes the result to the 16-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. This function + must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentOr16 ( + IN UINT64 Address, + IN UINT16 OrData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + and writes the result to the 16-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentAnd16 ( + IN UINT64 Address, + IN UINT16 AndData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value, + followed a bitwise OR with another 16-bit value. + + Reads the 16-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and the value specified by OrData, + and writes the result to the 16-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentAndThenOr16 ( + IN UINT64 Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 16-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentBitFieldRead16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 16-bit register is returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentBitFieldWrite16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, writes + the result back to the bit field in the 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentBitFieldOr16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit PCI configuration register, performs a bitwise + AND, writes the result back to the bit field in the 16-bit register. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentBitFieldAnd16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 16-bit port. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +PciSegmentBitFieldAndThenOr16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit PCI configuration register. + + Reads and returns the 32-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + + @return The 32-bit PCI configuration register specified by Address. + +**/ +UINT32 +EFIAPI +PciSegmentRead32 ( + IN UINT64 Address + ); + +/** + Writes a 32-bit PCI configuration register. + + Writes the 32-bit PCI configuration register specified by Address with the value specified by Value. + Value is returned. This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param Value The value to write. + + @return The parameter of Value. + +**/ +UINT32 +EFIAPI +PciSegmentWrite32 ( + IN UINT64 Address, + IN UINT32 Value + ); + +/** + Performs a bitwise OR of a 32-bit PCI configuration register with a 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, + performs a bitwise OR between the read result and the value specified by OrData, + and writes the result to the 32-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentOr32 ( + IN UINT64 Address, + IN UINT32 OrData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + and writes the result to the 32-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentAnd32 ( + IN UINT64 Address, + IN UINT32 AndData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value, + followed a bitwise OR with another 32-bit value. + + Reads the 32-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and the value specified by OrData, + and writes the result to the 32-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentAndThenOr32 ( + IN UINT64 Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a PCI configuration register. + + Reads the bit field in a 32-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentBitFieldRead32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 32-bit register is returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentBitFieldWrite32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentBitFieldOr32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 32-bit register. + + + Reads the 32-bit PCI configuration register specified by Address, performs a bitwise + AND between the read result and the value specified by AndData, and writes the result + to the 32-bit PCI configuration register specified by Address. The value written to + the PCI configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in AndData are stripped. + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentBitFieldAnd32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 32-bit port. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +PciSegmentBitFieldAndThenOr32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a range of PCI configuration registers into a caller supplied buffer. + + Reads the range of PCI configuration registers specified by StartAddress and + Size into the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be read. Size is + returned. When possible 32-bit PCI configuration read cycles are used to read + from StartAddress to StartAddress + Size. Due to alignment restrictions, 8-bit + and 16-bit PCI configuration read cycles may be used at the beginning and the + end of the range. + + If any reserved bits in StartAddress are set, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Segment, Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer receiving the data read. + + @return Size + +**/ +UINTN +EFIAPI +PciSegmentReadBuffer ( + IN UINT64 StartAddress, + IN UINTN Size, + OUT VOID *Buffer + ); + +/** + Copies the data in a caller supplied buffer to a specified range of PCI + configuration space. + + Writes the range of PCI configuration registers specified by StartAddress and + Size from the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be written. Size is + returned. When possible 32-bit PCI configuration write cycles are used to + write from StartAddress to StartAddress + Size. Due to alignment restrictions, + 8-bit and 16-bit PCI configuration write cycles may be used at the beginning + and the end of the range. + + If any reserved bits in StartAddress are set, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Segment, Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer containing the data to write. + + @return The parameter of Size. + +**/ +UINTN +EFIAPI +PciSegmentWriteBuffer ( + IN UINT64 StartAddress, + IN UINTN Size, + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffExtraActionLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffExtraActionLib.h new file mode 100644 index 0000000000..97599d9a47 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffExtraActionLib.h @@ -0,0 +1,47 @@ +/** @file + Provides services to perform additional actions when a PE/COFF image is loaded + or unloaded. This is useful for environment where symbols need to be loaded + and unloaded to support source level debugging. + + Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PE_COFF_EXTRA_ACTION_LIB_H__ +#define __PE_COFF_EXTRA_ACTION_LIB_H__ + +#include <Library/PeCoffLib.h> + +/** + Performs additional actions after a PE/COFF image has been loaded and relocated. + + If ImageContext is NULL, then ASSERT(). + + @param ImageContext Pointer to the image context structure that describes the + PE/COFF image that has already been loaded and relocated. + +**/ +VOID +EFIAPI +PeCoffLoaderRelocateImageExtraAction ( + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); + +/** + Performs additional actions just before a PE/COFF image is unloaded. Any resources + that were allocated by PeCoffLoaderRelocateImageExtraAction() must be freed. + + If ImageContext is NULL, then ASSERT(). + + @param ImageContext Pointer to the image context structure that describes the + PE/COFF image that is being unloaded. + +**/ +VOID +EFIAPI +PeCoffLoaderUnloadImageExtraAction ( + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffGetEntryPointLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffGetEntryPointLib.h new file mode 100644 index 0000000000..99f69a989b --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffGetEntryPointLib.h @@ -0,0 +1,116 @@ +/** @file + Provides a service to retrieve the PE/COFF entry point from a PE/COFF image. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PE_COFF_GET_ENTRY_POINT_LIB_H__ +#define __PE_COFF_GET_ENTRY_POINT_LIB_H__ + +/** + Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded + into system memory with the PE/COFF Loader Library functions. + + Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry + point in EntryPoint. If the entry point could not be retrieved from the PE/COFF image, then + return RETURN_INVALID_PARAMETER. Otherwise return RETURN_SUCCESS. + If Pe32Data is NULL, then ASSERT(). + If EntryPoint is NULL, then ASSERT(). + + @param Pe32Data The pointer to the PE/COFF image that is loaded in system memory. + @param EntryPoint The pointer to entry point to the PE/COFF image to return. + + @retval RETURN_SUCCESS EntryPoint was returned. + @retval RETURN_INVALID_PARAMETER The entry point could not be found in the PE/COFF image. + +**/ +RETURN_STATUS +EFIAPI +PeCoffLoaderGetEntryPoint ( + IN VOID *Pe32Data, + OUT VOID **EntryPoint + ); + +/** + Returns the machine type of a PE/COFF image. + + Returns the machine type from the PE/COFF image specified by Pe32Data. + If Pe32Data is NULL, then ASSERT(). + + @param Pe32Data The pointer to the PE/COFF image that is loaded in system + memory. + + @return Machine type or zero if not a valid image. + +**/ +UINT16 +EFIAPI +PeCoffLoaderGetMachineType ( + IN VOID *Pe32Data + ); + +/** + Returns a pointer to the PDB file name for a PE/COFF image that has been + loaded into system memory with the PE/COFF Loader Library functions. + + Returns the PDB file name for the PE/COFF image specified by Pe32Data. If + the PE/COFF image specified by Pe32Data is not a valid, then NULL is + returned. If the PE/COFF image specified by Pe32Data does not contain a + debug directory entry, then NULL is returned. If the debug directory entry + in the PE/COFF image specified by Pe32Data does not contain a PDB file name, + then NULL is returned. + If Pe32Data is NULL, then ASSERT(). + + @param Pe32Data The pointer to the PE/COFF image that is loaded in system + memory. + + @return The PDB file name for the PE/COFF image specified by Pe32Data, or NULL + if it cannot be retrieved. + +**/ +VOID * +EFIAPI +PeCoffLoaderGetPdbPointer ( + IN VOID *Pe32Data + ); + + +/** + Returns the size of the PE/COFF headers + + Returns the size of the PE/COFF header specified by Pe32Data. + If Pe32Data is NULL, then ASSERT(). + + @param Pe32Data The pointer to the PE/COFF image that is loaded in system + memory. + + @return Size of PE/COFF header in bytes, or zero if not a valid image. + +**/ +UINT32 +EFIAPI +PeCoffGetSizeOfHeaders ( + IN VOID *Pe32Data + ); + +/** + Returns PE/COFF image base specified by the address in this PE/COFF image. + + On DEBUG build, searches the PE/COFF image base forward the address in this + PE/COFF image and returns it. + + @param Address Address located in one PE/COFF image. + + @retval 0 RELEASE build or cannot find the PE/COFF image base. + @retval others PE/COFF image base found. + +**/ +UINTN +EFIAPI +PeCoffSearchImageBase ( + IN UINTN Address + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffLib.h new file mode 100644 index 0000000000..54fe513ed5 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeCoffLib.h @@ -0,0 +1,386 @@ +/** @file + Provides services to load and relocate a PE/COFF image. + + The PE/COFF Loader Library abstracts the implementation of a PE/COFF loader for + IA-32, x86, IPF, and EBC processor types. The library functions are memory-based + and can be ported easily to any environment. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __BASE_PE_COFF_LIB_H__ +#define __BASE_PE_COFF_LIB_H__ + +#include <IndustryStandard/PeImage.h> +// +// Return status codes from the PE/COFF Loader services +// +#define IMAGE_ERROR_SUCCESS 0 +#define IMAGE_ERROR_IMAGE_READ 1 +#define IMAGE_ERROR_INVALID_PE_HEADER_SIGNATURE 2 +#define IMAGE_ERROR_INVALID_MACHINE_TYPE 3 +#define IMAGE_ERROR_INVALID_SUBSYSTEM 4 +#define IMAGE_ERROR_INVALID_IMAGE_ADDRESS 5 +#define IMAGE_ERROR_INVALID_IMAGE_SIZE 6 +#define IMAGE_ERROR_INVALID_SECTION_ALIGNMENT 7 +#define IMAGE_ERROR_SECTION_NOT_LOADED 8 +#define IMAGE_ERROR_FAILED_RELOCATION 9 +#define IMAGE_ERROR_FAILED_ICACHE_FLUSH 10 +#define IMAGE_ERROR_UNSUPPORTED 11 + +/** + Reads contents of a PE/COFF image. + + A function of this type reads contents of the PE/COFF image specified by FileHandle. The read + operation copies ReadSize bytes from the PE/COFF image starting at byte offset FileOffset into + the buffer specified by Buffer. The size of the buffer actually read is returned in ReadSize. + If FileOffset specifies an offset past the end of the PE/COFF image, a ReadSize of 0 is returned. + A function of this type must be registered in the ImageRead field of a PE_COFF_LOADER_IMAGE_CONTEXT + structure for the PE/COFF Loader Library service to function correctly. This function abstracts access + to a PE/COFF image so it can be implemented in an environment specific manner. For example, SEC and PEI + environments may access memory directly to read the contents of a PE/COFF image, and DXE or UEFI + environments may require protocol services to read the contents of PE/COFF image + stored on FLASH, disk, or network devices. + + If FileHandle is not a valid handle, then ASSERT(). + If ReadSize is NULL, then ASSERT(). + If Buffer is NULL, then ASSERT(). + + @param FileHandle Pointer to the file handle to read the PE/COFF image. + @param FileOffset Offset into the PE/COFF image to begin the read operation. + @param ReadSize On input, the size in bytes of the requested read operation. + On output, the number of bytes actually read. + @param Buffer Output buffer that contains the data read from the PE/COFF image. + + @retval RETURN_SUCCESS The specified portion of the PE/COFF image was + read and the size return in ReadSize. + @retval RETURN_DEVICE_ERROR The specified portion of the PE/COFF image + could not be read due to a device error. + +**/ +typedef +RETURN_STATUS +(EFIAPI *PE_COFF_LOADER_READ_FILE)( + IN VOID *FileHandle, + IN UINTN FileOffset, + IN OUT UINTN *ReadSize, + OUT VOID *Buffer + ); + +/// +/// The context structure used while PE/COFF image is being loaded and relocated. +/// +typedef struct { + /// + /// Set by PeCoffLoaderGetImageInfo() to the ImageBase in the PE/COFF header. + /// + PHYSICAL_ADDRESS ImageAddress; + /// + /// Set by PeCoffLoaderGetImageInfo() to the SizeOfImage in the PE/COFF header. + /// Image size includes the size of Debug Entry if it is present. + /// + UINT64 ImageSize; + /// + /// Is set to zero by PeCoffLoaderGetImageInfo(). If DestinationAddress is non-zero, + /// PeCoffLoaderRelocateImage() will relocate the image using this base address. + /// If the DestinationAddress is zero, the ImageAddress will be used as the base + /// address of relocation. + /// + PHYSICAL_ADDRESS DestinationAddress; + /// + /// PeCoffLoaderLoadImage() sets EntryPoint to to the entry point of the PE/COFF image. + /// + PHYSICAL_ADDRESS EntryPoint; + /// + /// Passed in by the caller to PeCoffLoaderGetImageInfo() and PeCoffLoaderLoadImage() + /// to abstract accessing the image from the library. + /// + PE_COFF_LOADER_READ_FILE ImageRead; + /// + /// Used as the FileHandle passed into the ImageRead function when it's called. + /// + VOID *Handle; + /// + /// Caller allocated buffer of size FixupDataSize that can be optionally allocated + /// prior to calling PeCoffLoaderRelocateImage(). + /// This buffer is filled with the information used to fix up the image. + /// The fixups have been applied to the image and this entry is just for information. + /// + VOID *FixupData; + /// + /// Set by PeCoffLoaderGetImageInfo() to the Section Alignment in the PE/COFF header. + /// If the image is a TE image, then this field is set to 0. + /// + UINT32 SectionAlignment; + /// + /// Set by PeCoffLoaderGetImageInfo() to offset to the PE/COFF header. + /// If the PE/COFF image does not start with a DOS header, this value is zero. + /// Otherwise, it's the offset to the PE/COFF header. + /// + UINT32 PeCoffHeaderOffset; + /// + /// Set by PeCoffLoaderGetImageInfo() to the Relative Virtual Address of the debug directory, + /// if it exists in the image + /// + UINT32 DebugDirectoryEntryRva; + /// + /// Set by PeCoffLoaderLoadImage() to CodeView area of the PE/COFF Debug directory. + /// + VOID *CodeView; + /// + /// Set by PeCoffLoaderLoadImage() to point to the PDB entry contained in the CodeView area. + /// The PdbPointer points to the filename of the PDB file used for source-level debug of + /// the image by a debugger. + /// + CHAR8 *PdbPointer; + /// + /// Is set by PeCoffLoaderGetImageInfo() to the Section Alignment in the PE/COFF header. + /// + UINTN SizeOfHeaders; + /// + /// Not used by this library class. Other library classes that layer on top of this library + /// class fill in this value as part of their GetImageInfo call. + /// This allows the caller of the library to know what type of memory needs to be allocated + /// to load and relocate the image. + /// + UINT32 ImageCodeMemoryType; + /// + /// Not used by this library class. Other library classes that layer on top of this library + /// class fill in this value as part of their GetImageInfo call. + /// This allows the caller of the library to know what type of memory needs to be allocated + /// to load and relocate the image. + /// + UINT32 ImageDataMemoryType; + /// + /// Set by any of the library functions if they encounter an error. + /// + UINT32 ImageError; + /// + /// Set by PeCoffLoaderLoadImage() to indicate the size of FixupData that the caller must + /// allocate before calling PeCoffLoaderRelocateImage(). + /// + UINTN FixupDataSize; + /// + /// Set by PeCoffLoaderGetImageInfo() to the machine type stored in the PE/COFF header. + /// + UINT16 Machine; + /// + /// Set by PeCoffLoaderGetImageInfo() to the subsystem type stored in the PE/COFF header. + /// + UINT16 ImageType; + /// + /// Set by PeCoffLoaderGetImageInfo() to TRUE if the PE/COFF image does not contain + /// relocation information. + /// + BOOLEAN RelocationsStripped; + /// + /// Set by PeCoffLoaderGetImageInfo() to TRUE if the image is a TE image. + /// For a definition of the TE Image format, see the Platform Initialization Pre-EFI + /// Initialization Core Interface Specification. + /// + BOOLEAN IsTeImage; + /// + /// Set by PeCoffLoaderLoadImage() to the HII resource offset + /// if the image contains a custom PE/COFF resource with the type 'HII'. + /// Otherwise, the entry remains to be 0. + /// + PHYSICAL_ADDRESS HiiResourceData; + /// + /// Private storage for implementation specific data. + /// + UINT64 Context; +} PE_COFF_LOADER_IMAGE_CONTEXT; + +/** + Retrieves information about a PE/COFF image. + + Computes the PeCoffHeaderOffset, IsTeImage, ImageType, ImageAddress, ImageSize, + DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, and + DebugDirectoryEntryRva fields of the ImageContext structure. + If ImageContext is NULL, then return RETURN_INVALID_PARAMETER. + If the PE/COFF image accessed through the ImageRead service in the ImageContext + structure is not a supported PE/COFF image type, then return RETURN_UNSUPPORTED. + If any errors occur while computing the fields of ImageContext, + then the error status is returned in the ImageError field of ImageContext. + If the image is a TE image, then SectionAlignment is set to 0. + The ImageRead and Handle fields of ImageContext structure must be valid prior + to invoking this service. + + @param ImageContext The pointer to the image context structure that + describes the PE/COFF image that needs to be + examined by this function. + + @retval RETURN_SUCCESS The information on the PE/COFF image was collected. + @retval RETURN_INVALID_PARAMETER ImageContext is NULL. + @retval RETURN_UNSUPPORTED The PE/COFF image is not supported. + +**/ +RETURN_STATUS +EFIAPI +PeCoffLoaderGetImageInfo ( + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); + +/** + Applies relocation fixups to a PE/COFF image that was loaded with PeCoffLoaderLoadImage(). + + If the DestinationAddress field of ImageContext is 0, then use the ImageAddress field of + ImageContext as the relocation base address. Otherwise, use the DestinationAddress field + of ImageContext as the relocation base address. The caller must allocate the relocation + fixup log buffer and fill in the FixupData field of ImageContext prior to calling this function. + + The ImageRead, Handle, PeCoffHeaderOffset, IsTeImage, Machine, ImageType, ImageAddress, + ImageSize, DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, + DebugDirectoryEntryRva, EntryPoint, FixupDataSize, CodeView, PdbPointer, and FixupData of + the ImageContext structure must be valid prior to invoking this service. + + If ImageContext is NULL, then ASSERT(). + + Note that if the platform does not maintain coherency between the instruction cache(s) and the data + cache(s) in hardware, then the caller is responsible for performing cache maintenance operations + prior to transferring control to a PE/COFF image that is loaded using this library. + + @param ImageContext The pointer to the image context structure that describes the PE/COFF + image that is being relocated. + + @retval RETURN_SUCCESS The PE/COFF image was relocated. + Extended status information is in the ImageError field of ImageContext. + @retval RETURN_LOAD_ERROR The image in not a valid PE/COFF image. + Extended status information is in the ImageError field of ImageContext. + @retval RETURN_UNSUPPORTED A relocation record type is not supported. + Extended status information is in the ImageError field of ImageContext. + +**/ +RETURN_STATUS +EFIAPI +PeCoffLoaderRelocateImage ( + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); + +/** + Loads a PE/COFF image into memory. + + Loads the PE/COFF image accessed through the ImageRead service of ImageContext into the buffer + specified by the ImageAddress and ImageSize fields of ImageContext. The caller must allocate + the load buffer and fill in the ImageAddress and ImageSize fields prior to calling this function. + The EntryPoint, FixupDataSize, CodeView, PdbPointer and HiiResourceData fields of ImageContext are computed. + The ImageRead, Handle, PeCoffHeaderOffset, IsTeImage, Machine, ImageType, ImageAddress, ImageSize, + DestinationAddress, RelocationsStripped, SectionAlignment, SizeOfHeaders, and DebugDirectoryEntryRva + fields of the ImageContext structure must be valid prior to invoking this service. + + If ImageContext is NULL, then ASSERT(). + + Note that if the platform does not maintain coherency between the instruction cache(s) and the data + cache(s) in hardware, then the caller is responsible for performing cache maintenance operations + prior to transferring control to a PE/COFF image that is loaded using this library. + + @param ImageContext The pointer to the image context structure that describes the PE/COFF + image that is being loaded. + + @retval RETURN_SUCCESS The PE/COFF image was loaded into the buffer specified by + the ImageAddress and ImageSize fields of ImageContext. + Extended status information is in the ImageError field of ImageContext. + @retval RETURN_BUFFER_TOO_SMALL The caller did not provide a large enough buffer. + Extended status information is in the ImageError field of ImageContext. + @retval RETURN_LOAD_ERROR The PE/COFF image is an EFI Runtime image with no relocations. + Extended status information is in the ImageError field of ImageContext. + @retval RETURN_INVALID_PARAMETER The image address is invalid. + Extended status information is in the ImageError field of ImageContext. + +**/ +RETURN_STATUS +EFIAPI +PeCoffLoaderLoadImage ( + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); + + +/** + Reads contents of a PE/COFF image from a buffer in system memory. + + This is the default implementation of a PE_COFF_LOADER_READ_FILE function + that assumes FileHandle pointer to the beginning of a PE/COFF image. + This function reads contents of the PE/COFF image that starts at the system memory + address specified by FileHandle. The read operation copies ReadSize bytes from the + PE/COFF image starting at byte offset FileOffset into the buffer specified by Buffer. + The size of the buffer actually read is returned in ReadSize. + + If FileHandle is NULL, then ASSERT(). + If ReadSize is NULL, then ASSERT(). + If Buffer is NULL, then ASSERT(). + + @param FileHandle The pointer to base of the input stream + @param FileOffset Offset into the PE/COFF image to begin the read operation. + @param ReadSize On input, the size in bytes of the requested read operation. + On output, the number of bytes actually read. + @param Buffer Output buffer that contains the data read from the PE/COFF image. + + @retval RETURN_SUCCESS The data is read from FileOffset from the Handle into + the buffer. +**/ +RETURN_STATUS +EFIAPI +PeCoffLoaderImageReadFromMemory ( + IN VOID *FileHandle, + IN UINTN FileOffset, + IN OUT UINTN *ReadSize, + OUT VOID *Buffer + ); + + +/** + Reapply fixups on a fixed up PE32/PE32+ image to allow virtual calling at EFI + runtime. + + This function reapplies relocation fixups to the PE/COFF image specified by ImageBase + and ImageSize so the image will execute correctly when the PE/COFF image is mapped + to the address specified by VirtualImageBase. RelocationData must be identical + to the FiuxupData buffer from the PE_COFF_LOADER_IMAGE_CONTEXT structure + after this PE/COFF image was relocated with PeCoffLoaderRelocateImage(). + + Note that if the platform does not maintain coherency between the instruction cache(s) and the data + cache(s) in hardware, then the caller is responsible for performing cache maintenance operations + prior to transferring control to a PE/COFF image that is loaded using this library. + + @param ImageBase The base address of a PE/COFF image that has been loaded + and relocated into system memory. + @param VirtImageBase The request virtual address that the PE/COFF image is to + be fixed up for. + @param ImageSize The size, in bytes, of the PE/COFF image. + @param RelocationData A pointer to the relocation data that was collected when the PE/COFF + image was relocated using PeCoffLoaderRelocateImage(). + +**/ +VOID +EFIAPI +PeCoffLoaderRelocateImageForRuntime ( + IN PHYSICAL_ADDRESS ImageBase, + IN PHYSICAL_ADDRESS VirtImageBase, + IN UINTN ImageSize, + IN VOID *RelocationData + ); + +/** + Unloads a loaded PE/COFF image from memory and releases its taken resource. + Releases any environment specific resources that were allocated when the image + specified by ImageContext was loaded using PeCoffLoaderLoadImage(). + + For NT32 emulator, the PE/COFF image loaded by system needs to release. + For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded, + this function can simply return RETURN_SUCCESS. + + If ImageContext is NULL, then ASSERT(). + + @param ImageContext Pointer to the image context structure that describes the PE/COFF + image to be unloaded. + + @retval RETURN_SUCCESS The PE/COFF image was unloaded successfully. +**/ +RETURN_STATUS +EFIAPI +PeCoffLoaderUnloadImage ( + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ); +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiCoreEntryPoint.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiCoreEntryPoint.h new file mode 100644 index 0000000000..35b52f7375 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiCoreEntryPoint.h @@ -0,0 +1,132 @@ +/** @file + Module entry point library for PEI core. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MODULE_ENTRY_POINT_H__ +#define __MODULE_ENTRY_POINT_H__ + +/** + The entry point of PE/COFF Image for the PEI Core. + + This function is the entry point for the PEI Foundation, which allows the SEC phase + to pass information about the stack, temporary RAM and the Boot Firmware Volume. + In addition, it also allows the SEC phase to pass services and data forward for use + during the PEI phase in the form of one or more PPIs. + There is no limit to the number of additional PPIs that can be passed from SEC into + the PEI Foundation. As part of its initialization phase, the PEI Foundation will add + these SEC-hosted PPIs to its PPI database such that both the PEI Foundation and any + modules can leverage the associated service calls and/or code in these early PPIs. + This function is required to call ProcessModuleEntryPointList() with the Context + parameter set to NULL. ProcessModuleEntryPoint() is never expected to return. + The PEI Core is responsible for calling ProcessLibraryConstructorList() as soon as + the PEI Services Table and the file handle for the PEI Core itself have been established. + If ProcessModuleEntryPointList() returns, then ASSERT() and halt the system. + + @param SecCoreData Points to a data structure containing information about the PEI + core's operating environment, such as the size and location of + temporary RAM, the stack location and the BFV location. + + @param PpiList Points to a list of one or more PPI descriptors to be installed + initially by the PEI core. An empty PPI list consists of a single + descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. + As part of its initialization phase, the PEI Foundation will add + these SEC-hosted PPIs to its PPI database such that both the PEI + Foundation and any modules can leverage the associated service calls + and/or code in these early PPIs. + +**/ +VOID +EFIAPI +_ModuleEntryPoint( + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList + ); + +/** + Required by the EBC compiler and identical in functionality to _ModuleEntryPoint(). + + This function is required to call _ModuleEntryPoint() passing in SecCoreData and PpiList. + + @param SecCoreData Points to a data structure containing information about the PEI core's + operating environment, such as the size and location of temporary RAM, + the stack location and the BFV location. + + @param PpiList Points to a list of one or more PPI descriptors to be installed + initially by the PEI core. An empty PPI list consists of a single + descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. + As part of its initialization phase, the PEI Foundation will add these + SEC-hosted PPIs to its PPI database such that both the PEI Foundation + and any modules can leverage the associated service calls and/or code + in these early PPIs. + +**/ +VOID +EFIAPI +EfiMain ( + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList + ); + +/** + Autogenerated function that calls the library constructors for all of the module's + dependent libraries. + + This function must be called by the PEI Core once an initial PEI Services Table has been established. + This function calls the set of library constructors for the set of library instances that a + module depends on. This include library instances that a module depends on directly and library + instances that a module depends on indirectly through other libraries. + This function is autogenerated by build tools and those build tools are responsible for collecting + the set of library instances, determining which ones have constructors, and calling the library + constructors in the proper order based upon the dependencies of each of the library instances. + The PEI Core must call this function with a NULL FileHandle value as soon as the initial PEI + Services Table has been established. + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ); + + +/** + Autogenerated function that calls a set of module entry points. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of module entry points. + This function is autogenerated by build tools and those build tools are responsible + for collecting the module entry points and calling them in a specified order. + + @param SecCoreData Points to a data structure containing information about the PEI + core's operating environment, such as the size and location of + temporary RAM, the stack location and the BFV location. + + @param PpiList Points to a list of one or more PPI descriptors to be installed + initially by the PEI core. An empty PPI list consists of a single + descriptor with the end-tag EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST. + As part of its initialization phase, the PEI Foundation will add + these SEC-hosted PPIs to its PPI database such that both the PEI + Foundation and any modules can leverage the associated service calls + and/or code in these early PPIs. + @param Context A pointer to a private context structure defined by the PEI Core + implementation. The implementation of _ModuleEntryPoint() must set + this parameter is NULL to indicate that this is the first PEI phase. + +**/ +VOID +EFIAPI +ProcessModuleEntryPointList ( + IN CONST EFI_SEC_PEI_HAND_OFF *SecCoreData, + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList, + IN VOID *Context + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiServicesLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiServicesLib.h new file mode 100644 index 0000000000..de14fb902f --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiServicesLib.h @@ -0,0 +1,559 @@ +/** @file + Provides library functions for all PEI Services. + +Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PEI_SERVICES_LIB_H__ +#define __PEI_SERVICES_LIB_H__ + +/** + This service enables a given PEIM to register an interface into the PEI Foundation. + + @param PpiList A pointer to the list of interfaces that the caller shall install. + + @retval EFI_SUCCESS The interface was successfully installed. + @retval EFI_INVALID_PARAMETER The PpiList pointer is NULL. + @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the + EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. + @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database. + +**/ +EFI_STATUS +EFIAPI +PeiServicesInstallPpi ( + IN CONST EFI_PEI_PPI_DESCRIPTOR *PpiList + ); + +/** + This service enables PEIMs to replace an entry in the PPI database with an alternate entry. + + @param OldPpi Pointer to the old PEI PPI Descriptors. + @param NewPpi Pointer to the new PEI PPI Descriptors. + + @retval EFI_SUCCESS The interface was successfully installed. + @retval EFI_INVALID_PARAMETER The OldPpi or NewPpi is NULL. + @retval EFI_INVALID_PARAMETER Any of the PEI PPI descriptors in the list do not have the + EFI_PEI_PPI_DESCRIPTOR_PPI bit set in the Flags field. + @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database. + @retval EFI_NOT_FOUND The PPI for which the reinstallation was requested has not been + installed. + +**/ +EFI_STATUS +EFIAPI +PeiServicesReInstallPpi ( + IN CONST EFI_PEI_PPI_DESCRIPTOR *OldPpi, + IN CONST EFI_PEI_PPI_DESCRIPTOR *NewPpi + ); + +/** + This service enables PEIMs to discover a given instance of an interface. + + @param Guid A pointer to the GUID whose corresponding interface needs to be + found. + @param Instance The N-th instance of the interface that is required. + @param PpiDescriptor A pointer to instance of the EFI_PEI_PPI_DESCRIPTOR. + @param Ppi A pointer to the instance of the interface. + + @retval EFI_SUCCESS The interface was successfully returned. + @retval EFI_NOT_FOUND The PPI descriptor is not found in the database. + +**/ +EFI_STATUS +EFIAPI +PeiServicesLocatePpi ( + IN CONST EFI_GUID *Guid, + IN UINTN Instance, + IN OUT EFI_PEI_PPI_DESCRIPTOR **PpiDescriptor, OPTIONAL + IN OUT VOID **Ppi + ); + +/** + This service enables PEIMs to register a given service to be invoked when another service is + installed or reinstalled. + + @param NotifyList A pointer to the list of notification interfaces that the caller + shall install. + + @retval EFI_SUCCESS The interface was successfully installed. + @retval EFI_INVALID_PARAMETER The NotifyList pointer is NULL. + @retval EFI_INVALID_PARAMETER Any of the PEI notify descriptors in the list do not have the + EFI_PEI_PPI_DESCRIPTOR_NOTIFY_TYPES bit set in the Flags field. + @retval EFI_OUT_OF_RESOURCES There is no additional space in the PPI database. + +**/ +EFI_STATUS +EFIAPI +PeiServicesNotifyPpi ( + IN CONST EFI_PEI_NOTIFY_DESCRIPTOR *NotifyList + ); + +/** + This service enables PEIMs to ascertain the present value of the boot mode. + + @param BootMode A pointer to contain the value of the boot mode. + + @retval EFI_SUCCESS The boot mode was returned successfully. + @retval EFI_INVALID_PARAMETER BootMode is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesGetBootMode ( + OUT EFI_BOOT_MODE *BootMode + ); + +/** + This service enables PEIMs to update the boot mode variable. + + @param BootMode The value of the boot mode to set. + + @retval EFI_SUCCESS The value was successfully updated + +**/ +EFI_STATUS +EFIAPI +PeiServicesSetBootMode ( + IN EFI_BOOT_MODE BootMode + ); + +/** + This service enables a PEIM to ascertain the address of the list of HOBs in memory. + + @param HobList A pointer to the list of HOBs that the PEI Foundation will initialize. + + @retval EFI_SUCCESS The list was successfully returned. + @retval EFI_NOT_AVAILABLE_YET The HOB list is not yet published. + +**/ +EFI_STATUS +EFIAPI +PeiServicesGetHobList ( + OUT VOID **HobList + ); + +/** + This service enables PEIMs to create various types of HOBs. + + @param Type The type of HOB to be installed. + @param Length The length of the HOB to be added. + @param Hob The address of a pointer that will contain the HOB header. + + @retval EFI_SUCCESS The HOB was successfully created. + @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation. + +**/ +EFI_STATUS +EFIAPI +PeiServicesCreateHob ( + IN UINT16 Type, + IN UINT16 Length, + OUT VOID **Hob + ); + +/** + This service enables PEIMs to discover additional firmware volumes. + + @param Instance This instance of the firmware volume to find. The value 0 is the + Boot Firmware Volume (BFV). + @param VolumeHandle Handle of the firmware volume header of the volume to return. + + @retval EFI_SUCCESS The volume was found. + @retval EFI_NOT_FOUND The volume was not found. + @retval EFI_INVALID_PARAMETER FwVolHeader is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindNextVolume ( + IN UINTN Instance, + IN OUT EFI_PEI_FV_HANDLE *VolumeHandle + ); + +/** + This service enables PEIMs to discover additional firmware files. + + @param SearchType A filter to find files only of this type. + @param VolumeHandle Pointer to the firmware volume header of the volume to search. + This parameter must point to a valid FFS volume. + @param FileHandle Handle of the current file from which to begin searching. + + @retval EFI_SUCCESS The file was found. + @retval EFI_NOT_FOUND The file was not found. + @retval EFI_NOT_FOUND The header checksum was not zero. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindNextFile ( + IN EFI_FV_FILETYPE SearchType, + IN EFI_PEI_FV_HANDLE VolumeHandle, + IN OUT EFI_PEI_FILE_HANDLE *FileHandle + ); + +/** + This service enables PEIMs to discover sections of a given type within a valid FFS file. + + @param SectionType The value of the section type to find. + @param FileHandle A pointer to the file header that contains the set of sections to + be searched. + @param SectionData A pointer to the discovered section, if successful. + + @retval EFI_SUCCESS The section was found. + @retval EFI_NOT_FOUND The section was not found. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindSectionData ( + IN EFI_SECTION_TYPE SectionType, + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT VOID **SectionData + ); + +/** + This service enables PEIMs to discover sections of a given instance and type within a valid FFS file. + + @param SectionType The value of the section type to find. + @param SectionInstance Section instance to find. + @param FileHandle A pointer to the file header that contains the set + of sections to be searched. + @param SectionData A pointer to the discovered section, if successful. + @param AuthenticationStatus A pointer to the authentication status for this section. + + @retval EFI_SUCCESS The section was found. + @retval EFI_NOT_FOUND The section was not found. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindSectionData3 ( + IN EFI_SECTION_TYPE SectionType, + IN UINTN SectionInstance, + IN EFI_PEI_FILE_HANDLE FileHandle, + OUT VOID **SectionData, + OUT UINT32 *AuthenticationStatus + ); + +/** + This service enables PEIMs to register the permanent memory configuration + that has been initialized with the PEI Foundation. + + @param MemoryBegin The value of a region of installed memory. + @param MemoryLength The corresponding length of a region of installed memory. + + @retval EFI_SUCCESS The region was successfully installed in a HOB. + @retval EFI_INVALID_PARAMETER MemoryBegin and MemoryLength are illegal for this system. + @retval EFI_OUT_OF_RESOURCES There is no additional space for HOB creation. + +**/ +EFI_STATUS +EFIAPI +PeiServicesInstallPeiMemory ( + IN EFI_PHYSICAL_ADDRESS MemoryBegin, + IN UINT64 MemoryLength + ); + +/** + This service enables PEIMs to allocate memory. + + @param MemoryType Type of memory to allocate. + @param Pages The number of pages to allocate. + @param Memory Pointer of memory allocated. + + @retval EFI_SUCCESS The memory range was successfully allocated. + @retval EFI_INVALID_PARAMETER Type is not equal to EfiLoaderCode, EfiLoaderData, EfiRuntimeServicesCode, + EfiRuntimeServicesData, EfiBootServicesCode, EfiBootServicesData, + EfiACPIReclaimMemory, EfiReservedMemoryType, or EfiACPIMemoryNVS. + @retval EFI_OUT_OF_RESOURCES The pages could not be allocated. + +**/ +EFI_STATUS +EFIAPI +PeiServicesAllocatePages ( + IN EFI_MEMORY_TYPE MemoryType, + IN UINTN Pages, + OUT EFI_PHYSICAL_ADDRESS *Memory + ); + +/** + This service enables PEIMs to free memory. + + @param Memory Memory to be freed. + @param Pages The number of pages to free. + + @retval EFI_SUCCESS The requested pages were freed. + @retval EFI_INVALID_PARAMETER Memory is not a page-aligned address or Pages is invalid. + @retval EFI_NOT_FOUND The requested memory pages were not allocated with + AllocatePages(). + +**/ +EFI_STATUS +EFIAPI +PeiServicesFreePages ( + IN EFI_PHYSICAL_ADDRESS Memory, + IN UINTN Pages + ); + +/** + This service allocates memory from the Hand-Off Block (HOB) heap. + + @param Size The number of bytes to allocate from the pool. + @param Buffer If the call succeeds, a pointer to a pointer to the allocate + buffer; undefined otherwise. + + @retval EFI_SUCCESS The allocation was successful + @retval EFI_OUT_OF_RESOURCES There is not enough heap to allocate the requested size. + +**/ +EFI_STATUS +EFIAPI +PeiServicesAllocatePool ( + IN UINTN Size, + OUT VOID **Buffer + ); + +/** + Resets the entire platform. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_AVAILABLE_YET The service has not been installed yet. + +**/ +EFI_STATUS +EFIAPI +PeiServicesResetSystem ( + VOID + ); + + +/** + This service is a wrapper for the PEI Service FfsFindByName(), except the pointer to the PEI Services + Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface + Specification for details. + + @param FileName A pointer to the name of the file to + find within the firmware volume. + + @param VolumeHandle The firmware volume to search FileHandle + Upon exit, points to the found file's + handle or NULL if it could not be found. + @param FileHandle Pointer to found file handle + + @retval EFI_SUCCESS File was found. + + @retval EFI_NOT_FOUND File was not found. + + @retval EFI_INVALID_PARAMETER VolumeHandle or FileHandle or + FileName was NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsFindFileByName ( + IN CONST EFI_GUID *FileName, + IN CONST EFI_PEI_FV_HANDLE VolumeHandle, + OUT EFI_PEI_FILE_HANDLE *FileHandle + ); + + +/** + This service is a wrapper for the PEI Service FfsGetFileInfo(), except the pointer to the PEI Services + Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface + Specification for details. + + @param FileHandle Handle of the file. + + @param FileInfo Upon exit, points to the file's + information. + + @retval EFI_SUCCESS File information returned. + + @retval EFI_INVALID_PARAMETER If FileHandle does not + represent a valid file. + + @retval EFI_INVALID_PARAMETER If FileInfo is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsGetFileInfo ( + IN CONST EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_FV_FILE_INFO *FileInfo + ); + +/** + This service is a wrapper for the PEI Service FfsGetFileInfo2(), except the pointer to the PEI Services + Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface + Specification for details. + + @param FileHandle Handle of the file. + + @param FileInfo Upon exit, points to the file's + information. + + @retval EFI_SUCCESS File information returned. + + @retval EFI_INVALID_PARAMETER If FileHandle does not + represent a valid file. + + @retval EFI_INVALID_PARAMETER If FileInfo is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsGetFileInfo2 ( + IN CONST EFI_PEI_FILE_HANDLE FileHandle, + OUT EFI_FV_FILE_INFO2 *FileInfo + ); + +/** + This service is a wrapper for the PEI Service FfsGetVolumeInfo(), except the pointer to the PEI Services + Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface + Specification for details. + + @param VolumeHandle Handle of the volume. + + @param VolumeInfo Upon exit, points to the volume's + information. + + @retval EFI_SUCCESS File information returned. + + @retval EFI_INVALID_PARAMETER If FileHandle does not + represent a valid file. + + @retval EFI_INVALID_PARAMETER If FileInfo is NULL. + +**/ +EFI_STATUS +EFIAPI +PeiServicesFfsGetVolumeInfo ( + IN EFI_PEI_FV_HANDLE VolumeHandle, + OUT EFI_FV_INFO *VolumeInfo + ); + + +/** + This service is a wrapper for the PEI Service RegisterForShadow(), except the pointer to the PEI Services + Table has been removed. See the Platform Initialization Pre-EFI Initialization Core Interface + Specification for details. + + @param FileHandle PEIM's file handle. Must be the currently + executing PEIM. + + @retval EFI_SUCCESS The PEIM was successfully registered for + shadowing. + + @retval EFI_ALREADY_STARTED The PEIM was previously + registered for shadowing. + + @retval EFI_NOT_FOUND The FileHandle does not refer to a + valid file handle. +**/ +EFI_STATUS +EFIAPI +PeiServicesRegisterForShadow ( + IN EFI_PEI_FILE_HANDLE FileHandle + ); + +/** + Install a EFI_PEI_FIRMWARE_VOLUME_INFO_PPI instance so the PEI Core will be notified about a new firmware volume. + + This function allocates, initializes, and installs a new EFI_PEI_FIRMWARE_VOLUME_INFO_PPI using + the parameters passed in to initialize the fields of the EFI_PEI_FIRMWARE_VOLUME_INFO_PPI instance. + If the resources can not be allocated for EFI_PEI_FIRMWARE_VOLUME_INFO_PPI, then ASSERT(). + If the EFI_PEI_FIRMWARE_VOLUME_INFO_PPI can not be installed, then ASSERT(). + + + @param FvFormat Unique identifier of the format of the memory-mapped firmware volume. + This parameter is optional and may be NULL. + If NULL is specified, the EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed. + @param FvInfo Points to a buffer which allows the EFI_PEI_FIRMWARE_VOLUME_PPI to process the volume. + The format of this buffer is specific to the FvFormat. For memory-mapped firmware volumes, + this typically points to the first byte of the firmware volume. + @param FvInfoSize The size, in bytes, of FvInfo. For memory-mapped firmware volumes, + this is typically the size of the firmware volume. + @param ParentFvName If the new firmware volume originated from a file in a different firmware volume, + then this parameter specifies the GUID name of the originating firmware volume. + Otherwise, this parameter must be NULL. + @param ParentFileName If the new firmware volume originated from a file in a different firmware volume, + then this parameter specifies the GUID file name of the originating firmware file. + Otherwise, this parameter must be NULL. +**/ +VOID +EFIAPI +PeiServicesInstallFvInfoPpi ( + IN CONST EFI_GUID *FvFormat, OPTIONAL + IN CONST VOID *FvInfo, + IN UINT32 FvInfoSize, + IN CONST EFI_GUID *ParentFvName, OPTIONAL + IN CONST EFI_GUID *ParentFileName OPTIONAL + ); + +/** + Install a EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI instance so the PEI Core will be notified about a new firmware volume. + + This function allocates, initializes, and installs a new EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI using + the parameters passed in to initialize the fields of the EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI instance. + If the resources can not be allocated for EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI, then ASSERT(). + If the EFI_PEI_FIRMWARE_VOLUME_INFO2_PPI can not be installed, then ASSERT(). + + @param FvFormat Unique identifier of the format of the memory-mapped + firmware volume. This parameter is optional and + may be NULL. If NULL is specified, the + EFI_FIRMWARE_FILE_SYSTEM2_GUID format is assumed. + @param FvInfo Points to a buffer which allows the + EFI_PEI_FIRMWARE_VOLUME_PPI to process the volume. + The format of this buffer is specific to the FvFormat. + For memory-mapped firmware volumes, this typically + points to the first byte of the firmware volume. + @param FvInfoSize The size, in bytes, of FvInfo. For memory-mapped + firmware volumes, this is typically the size of + the firmware volume. + @param ParentFvName If the new firmware volume originated from a file + in a different firmware volume, then this parameter + specifies the GUID name of the originating firmware + volume. Otherwise, this parameter must be NULL. + @param ParentFileName If the new firmware volume originated from a file + in a different firmware volume, then this parameter + specifies the GUID file name of the originating + firmware file. Otherwise, this parameter must be NULL. + @param AuthenticationStatus Authentication Status +**/ +VOID +EFIAPI +PeiServicesInstallFvInfo2Ppi ( + IN CONST EFI_GUID *FvFormat, OPTIONAL + IN CONST VOID *FvInfo, + IN UINT32 FvInfoSize, + IN CONST EFI_GUID *ParentFvName, OPTIONAL + IN CONST EFI_GUID *ParentFileName, OPTIONAL + IN UINT32 AuthenticationStatus + ); + +/** + Resets the entire platform. + + @param[in] ResetType The type of reset to perform. + @param[in] ResetStatus The status code for the reset. + @param[in] DataSize The size, in bytes, of ResetData. + @param[in] ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown + the data buffer starts with a Null-terminated string, optionally + followed by additional binary data. The string is a description + that the caller may use to further indicate the reason for the + system reset. + +**/ +VOID +EFIAPI +PeiServicesResetSystem2 ( + IN EFI_RESET_TYPE ResetType, + IN EFI_STATUS ResetStatus, + IN UINTN DataSize, + IN VOID *ResetData OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiServicesTablePointerLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiServicesTablePointerLib.h new file mode 100644 index 0000000000..eb81338943 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeiServicesTablePointerLib.h @@ -0,0 +1,68 @@ +/** @file + Provides a service to retrieve a pointer to the PEI Services Table. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PEI_SERVICES_TABLE_POINTER_LIB_H__ +#define __PEI_SERVICES_TABLE_POINTER_LIB_H__ + +/** + Retrieves the cached value of the PEI Services Table pointer. + + Returns the cached value of the PEI Services Table pointer in a CPU specific manner + as specified in the CPU binding section of the Platform Initialization Pre-EFI + Initialization Core Interface Specification. + + If the cached PEI Services Table pointer is NULL, then ASSERT(). + + @return The pointer to PeiServices. + +**/ +CONST EFI_PEI_SERVICES ** +EFIAPI +GetPeiServicesTablePointer ( + VOID + ); + +/** + Caches a pointer PEI Services Table. + + Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer + in a CPU specific manner as specified in the CPU binding section of the Platform Initialization + Pre-EFI Initialization Core Interface Specification. + + If PeiServicesTablePointer is NULL, then ASSERT(). + + @param PeiServicesTablePointer The address of PeiServices pointer. +**/ +VOID +EFIAPI +SetPeiServicesTablePointer ( + IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer + ); + +/** + Perform CPU specific actions required to migrate the PEI Services Table + pointer from temporary RAM to permanent RAM. + + For IA32 CPUs, the PEI Services Table pointer is stored in the 4 bytes + immediately preceding the Interrupt Descriptor Table (IDT) in memory. + For X64 CPUs, the PEI Services Table pointer is stored in the 8 bytes + immediately preceding the Interrupt Descriptor Table (IDT) in memory. + For Itanium and ARM CPUs, a the PEI Services Table Pointer is stored in + a dedicated CPU register. This means that there is no memory storage + associated with storing the PEI Services Table pointer, so no additional + migration actions are required for Itanium or ARM CPUs. + +**/ +VOID +EFIAPI +MigratePeiServicesTablePointer ( + VOID + ); + +#endif + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeimEntryPoint.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeimEntryPoint.h new file mode 100644 index 0000000000..61473aafdd --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PeimEntryPoint.h @@ -0,0 +1,103 @@ +/** @file + Module entry point library for PEIM. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MODULE_ENTRY_POINT_H__ +#define __MODULE_ENTRY_POINT_H__ + +/// +/// Declare the EFI/UEFI Specification Revision to which this driver is implemented +/// +extern CONST UINT32 _gPeimRevision; + + +/** + The entry point of PE/COFF Image for a PEIM. + + This function is the entry point for a PEIM. This function must call ProcessLibraryConstructorList() + and ProcessModuleEntryPointList(). The return value from ProcessModuleEntryPointList() is returned. + If _gPeimRevision is not zero and PeiServices->Hdr.Revision is less than _gPeimRevison, then ASSERT(). + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + + @retval EFI_SUCCESS The PEIM executed normally. + @retval !EFI_SUCCESS The PEIM failed to execute normally. +**/ +EFI_STATUS +EFIAPI +_ModuleEntryPoint ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ); + + +/** + Required by the EBC compiler and identical in functionality to _ModuleEntryPoint(). + + This function is required to call _ModuleEntryPoint() passing in FileHandle and PeiServices. + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + + @retval EFI_SUCCESS The PEIM executed normally. + @retval !EFI_SUCCESS The PEIM failed to execute normally. + +**/ +EFI_STATUS +EFIAPI +EfiMain ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ); + +/** + Autogenerated function that calls the library constructors for all of the module's + dependent libraries. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of library constructors for the set of library instances that a + module depends on. This includes library instances that a module depends on directly and library + instances that a module depends on indirectly through other libraries. + This function is autogenerated by build tools and those build tools are responsible for collecting + the set of library instances, determine which ones have constructors, and calling the library + constructors in the proper order based upon each of the library instances own dependencies. + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ); + +/** + Autogenerated function that calls a set of module entry points. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of module entry points. + This function is autogenerated by build tools and those build tools are responsible + for collecting the module entry points and calling them in a specified order. + + @param FileHandle Handle of the file being invoked. + @param PeiServices Describes the list of possible PEI Services. + + @retval EFI_SUCCESS The PEIM executed normally. + @retval !EFI_SUCCESS The PEIM failed to execute normally. + +**/ +EFI_STATUS +EFIAPI +ProcessModuleEntryPointList ( + IN EFI_PEI_FILE_HANDLE FileHandle, + IN CONST EFI_PEI_SERVICES **PeiServices + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PerformanceLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PerformanceLib.h new file mode 100644 index 0000000000..96b1e000f0 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PerformanceLib.h @@ -0,0 +1,766 @@ +/** @file + Provides services to log the execution times and retrieve them later. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PERFORMANCE_LIB_H__ +#define __PERFORMANCE_LIB_H__ + +/// +/// Performance library propery mask bits +/// +#define PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED 0x00000001 + +// +// Public Progress Identifiers for Event Records. +// +#define PERF_EVENT_ID 0x00 + +#define MODULE_START_ID 0x01 +#define MODULE_END_ID 0x02 +#define MODULE_LOADIMAGE_START_ID 0x03 +#define MODULE_LOADIMAGE_END_ID 0x04 +#define MODULE_DB_START_ID 0x05 +#define MODULE_DB_END_ID 0x06 +#define MODULE_DB_SUPPORT_START_ID 0x07 +#define MODULE_DB_SUPPORT_END_ID 0x08 +#define MODULE_DB_STOP_START_ID 0x09 +#define MODULE_DB_STOP_END_ID 0x0A + +#define PERF_EVENTSIGNAL_START_ID 0x10 +#define PERF_EVENTSIGNAL_END_ID 0x11 +#define PERF_CALLBACK_START_ID 0x20 +#define PERF_CALLBACK_END_ID 0x21 +#define PERF_FUNCTION_START_ID 0x30 +#define PERF_FUNCTION_END_ID 0x31 +#define PERF_INMODULE_START_ID 0x40 +#define PERF_INMODULE_END_ID 0x41 +#define PERF_CROSSMODULE_START_ID 0x50 +#define PERF_CROSSMODULE_END_ID 0x51 + +// +// Declare bits for PcdPerformanceLibraryPropertyMask and +// also used as the Type parameter of LogPerformanceMeasurementEnabled(). +// +#define PERF_CORE_START_IMAGE 0x0002 +#define PERF_CORE_LOAD_IMAGE 0x0004 +#define PERF_CORE_DB_SUPPORT 0x0008 +#define PERF_CORE_DB_START 0x0010 +#define PERF_CORE_DB_STOP 0x0020 + +#define PERF_GENERAL_TYPE 0x0040 + +/** + Creates a record for the beginning of a performance measurement. + + Creates a record that contains the Handle, Token, and Module. + If TimeStamp is not zero, then TimeStamp is added to the record as the start time. + If TimeStamp is zero, then this function reads the current time stamp + and adds that time stamp value to the record as the start time. + + @param Handle Pointer to environment specific context used + to identify the component being measured. + @param Token Pointer to a Null-terminated ASCII string + that identifies the component being measured. + @param Module Pointer to a Null-terminated ASCII string + that identifies the module being measured. + @param TimeStamp 64-bit time stamp. + + @retval RETURN_SUCCESS The start of the measurement was recorded. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement. + @retval RETURN_DEVICE_ERROR A device error reading the time stamp. + +**/ +RETURN_STATUS +EFIAPI +StartPerformanceMeasurement ( + IN CONST VOID *Handle, OPTIONAL + IN CONST CHAR8 *Token, OPTIONAL + IN CONST CHAR8 *Module, OPTIONAL + IN UINT64 TimeStamp + ); + +/** + Fills in the end time of a performance measurement. + + Looks up the record that matches Handle, Token, and Module. + If the record can not be found then return RETURN_NOT_FOUND. + If the record is found and TimeStamp is not zero, + then TimeStamp is added to the record as the end time. + If the record is found and TimeStamp is zero, then this function reads + the current time stamp and adds that time stamp value to the record as the end time. + + @param Handle Pointer to environment specific context used + to identify the component being measured. + @param Token Pointer to a Null-terminated ASCII string + that identifies the component being measured. + @param Module Pointer to a Null-terminated ASCII string + that identifies the module being measured. + @param TimeStamp 64-bit time stamp. + + @retval RETURN_SUCCESS The end of the measurement was recorded. + @retval RETURN_NOT_FOUND The specified measurement record could not be found. + @retval RETURN_DEVICE_ERROR A device error reading the time stamp. + +**/ +RETURN_STATUS +EFIAPI +EndPerformanceMeasurement ( + IN CONST VOID *Handle, OPTIONAL + IN CONST CHAR8 *Token, OPTIONAL + IN CONST CHAR8 *Module, OPTIONAL + IN UINT64 TimeStamp + ); + +/** + Attempts to retrieve a performance measurement log entry from the performance measurement log. + It can also retrieve the log created by StartPerformanceMeasurementEx and EndPerformanceMeasurementEx, + and then eliminate the Identifier. + + Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is + zero on entry, then an attempt is made to retrieve the first entry from the performance log, + and the key for the second entry in the log is returned. If the performance log is empty, + then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance + log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is + returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is + retrieved and an implementation specific non-zero key value that specifies the end of the performance + log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry + is retrieved and zero is returned. In the cases where a performance log entry can be returned, + the log entry is returned in Handle, Token, Module, StartTimeStamp, and EndTimeStamp. + If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT(). + If Handle is NULL, then ASSERT(). + If Token is NULL, then ASSERT(). + If Module is NULL, then ASSERT(). + If StartTimeStamp is NULL, then ASSERT(). + If EndTimeStamp is NULL, then ASSERT(). + + @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve. + 0, then the first performance measurement log entry is retrieved. + On exit, the key of the next performance lof entry entry. + @param Handle Pointer to environment specific context used to identify the component + being measured. + @param Token Pointer to a Null-terminated ASCII string that identifies the component + being measured. + @param Module Pointer to a Null-terminated ASCII string that identifies the module + being measured. + @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement + was started. + @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement + was ended. + + @return The key for the next performance log entry (in general case). + +**/ +UINTN +EFIAPI +GetPerformanceMeasurement ( + IN UINTN LogEntryKey, + OUT CONST VOID **Handle, + OUT CONST CHAR8 **Token, + OUT CONST CHAR8 **Module, + OUT UINT64 *StartTimeStamp, + OUT UINT64 *EndTimeStamp + ); + +/** + Creates a record for the beginning of a performance measurement. + + Creates a record that contains the Handle, Token, Module and Identifier. + If TimeStamp is not zero, then TimeStamp is added to the record as the start time. + If TimeStamp is zero, then this function reads the current time stamp + and adds that time stamp value to the record as the start time. + + @param Handle Pointer to environment specific context used + to identify the component being measured. + @param Token Pointer to a Null-terminated ASCII string + that identifies the component being measured. + @param Module Pointer to a Null-terminated ASCII string + that identifies the module being measured. + @param TimeStamp 64-bit time stamp. + @param Identifier 32-bit identifier. If the value is 0, the created record + is same as the one created by StartPerformanceMeasurement. + + @retval RETURN_SUCCESS The start of the measurement was recorded. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources to record the measurement. + @retval RETURN_DEVICE_ERROR A device error reading the time stamp. + +**/ +RETURN_STATUS +EFIAPI +StartPerformanceMeasurementEx ( + IN CONST VOID *Handle, OPTIONAL + IN CONST CHAR8 *Token, OPTIONAL + IN CONST CHAR8 *Module, OPTIONAL + IN UINT64 TimeStamp, + IN UINT32 Identifier + ); + +/** + Fills in the end time of a performance measurement. + + Looks up the record that matches Handle, Token and Module. + If the record can not be found then return RETURN_NOT_FOUND. + If the record is found and TimeStamp is not zero, + then TimeStamp is added to the record as the end time. + If the record is found and TimeStamp is zero, then this function reads + the current time stamp and adds that time stamp value to the record as the end time. + + @param Handle Pointer to environment specific context used + to identify the component being measured. + @param Token Pointer to a Null-terminated ASCII string + that identifies the component being measured. + @param Module Pointer to a Null-terminated ASCII string + that identifies the module being measured. + @param TimeStamp 64-bit time stamp. + @param Identifier 32-bit identifier. If the value is 0, the found record + is same as the one found by EndPerformanceMeasurement. + + @retval RETURN_SUCCESS The end of the measurement was recorded. + @retval RETURN_NOT_FOUND The specified measurement record could not be found. + @retval RETURN_DEVICE_ERROR A device error reading the time stamp. + +**/ +RETURN_STATUS +EFIAPI +EndPerformanceMeasurementEx ( + IN CONST VOID *Handle, OPTIONAL + IN CONST CHAR8 *Token, OPTIONAL + IN CONST CHAR8 *Module, OPTIONAL + IN UINT64 TimeStamp, + IN UINT32 Identifier + ); + +/** + Attempts to retrieve a performance measurement log entry from the performance measurement log. + It can also retrieve the log created by StartPerformanceMeasurement and EndPerformanceMeasurement, + and then assign the Identifier with 0. + + Attempts to retrieve the performance log entry specified by LogEntryKey. If LogEntryKey is + zero on entry, then an attempt is made to retrieve the first entry from the performance log, + and the key for the second entry in the log is returned. If the performance log is empty, + then no entry is retrieved and zero is returned. If LogEntryKey is not zero, then the performance + log entry associated with LogEntryKey is retrieved, and the key for the next entry in the log is + returned. If LogEntryKey is the key for the last entry in the log, then the last log entry is + retrieved and an implementation specific non-zero key value that specifies the end of the performance + log is returned. If LogEntryKey is equal this implementation specific non-zero key value, then no entry + is retrieved and zero is returned. In the cases where a performance log entry can be returned, + the log entry is returned in Handle, Token, Module, StartTimeStamp, EndTimeStamp and Identifier. + If LogEntryKey is not a valid log entry key for the performance measurement log, then ASSERT(). + If Handle is NULL, then ASSERT(). + If Token is NULL, then ASSERT(). + If Module is NULL, then ASSERT(). + If StartTimeStamp is NULL, then ASSERT(). + If EndTimeStamp is NULL, then ASSERT(). + If Identifier is NULL, then ASSERT(). + + @param LogEntryKey On entry, the key of the performance measurement log entry to retrieve. + 0, then the first performance measurement log entry is retrieved. + On exit, the key of the next performance of entry entry. + @param Handle Pointer to environment specific context used to identify the component + being measured. + @param Token Pointer to a Null-terminated ASCII string that identifies the component + being measured. + @param Module Pointer to a Null-terminated ASCII string that identifies the module + being measured. + @param StartTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement + was started. + @param EndTimeStamp Pointer to the 64-bit time stamp that was recorded when the measurement + was ended. + @param Identifier Pointer to the 32-bit identifier that was recorded. + + @return The key for the next performance log entry (in general case). + +**/ +UINTN +EFIAPI +GetPerformanceMeasurementEx ( + IN UINTN LogEntryKey, + OUT CONST VOID **Handle, + OUT CONST CHAR8 **Token, + OUT CONST CHAR8 **Module, + OUT UINT64 *StartTimeStamp, + OUT UINT64 *EndTimeStamp, + OUT UINT32 *Identifier + ); + +/** + Returns TRUE if the performance measurement macros are enabled. + + This function returns TRUE if the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of + PcdPerformanceLibraryPropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of + PcdPerformanceLibraryPropertyMask is set. + @retval FALSE The PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of + PcdPerformanceLibraryPropertyMask is clear. + +**/ +BOOLEAN +EFIAPI +PerformanceMeasurementEnabled ( + VOID + ); + + +/** + Check whether the specified performance measurement can be logged. + + This function returns TRUE when the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set + and the Type disable bit in PcdPerformanceLibraryPropertyMask is not set. + + @param Type - Type of the performance measurement entry. + + @retval TRUE The performance measurement can be logged. + @retval FALSE The performance measurement can NOT be logged. + +**/ +BOOLEAN +EFIAPI +LogPerformanceMeasurementEnabled ( + IN CONST UINTN Type + ); + +/** + Create performance record with event description. + + @param CallerIdentifier - Image handle or pointer to caller ID GUID + @param Guid - Pointer to a GUID. + Used for event signal perf and callback perf to cache the event guid. + @param String - Pointer to a string describing the measurement + @param Address - Pointer to a location in memory relevant to the measurement. + @param Identifier - Performance identifier describing the type of measurement. + + @retval RETURN_SUCCESS - Successfully created performance record + @retval RETURN_OUT_OF_RESOURCES - Ran out of space to store the records + @retval RETURN_INVALID_PARAMETER - Invalid parameter passed to function - NULL + pointer or invalid Identifier. + +**/ +RETURN_STATUS +EFIAPI +LogPerformanceMeasurement ( + IN CONST VOID *CallerIdentifier, OPTIONAL + IN CONST VOID *Guid, OPTIONAL + IN CONST CHAR8 *String, OPTIONAL + IN UINT64 Address, OPTIONAL + IN UINT32 Identifier + ); + +/** + Begin Macro to measure the performance of StartImage in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT1(dsiable PERF_CORE_START_IMAGE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_START_IMAGE_BEGIN(ModuleHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_START_IMAGE)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, 0, MODULE_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the performance of StartImage in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT1 (dsiable PERF_CORE_START_IMAGE)of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_START_IMAGE_END(ModuleHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_START_IMAGE)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, 0, MODULE_END_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the performance of LoadImage in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT2 (dsiable PERF_CORE_LOAD_IAMGE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_LOAD_IMAGE_BEGIN(ModuleHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_LOAD_IMAGE)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, 0, MODULE_LOADIMAGE_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the performance of LoadImage in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT2 (dsiable PERF_CORE_LOAD_IAMGE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_LOAD_IMAGE_END(ModuleHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_LOAD_IMAGE)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, 0, MODULE_LOADIMAGE_END_ID); \ + } \ + } while (FALSE) + +/** + Start Macro to measure the performance of DriverBinding Support in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT3 (dsiable PERF_CORE_DB_SUPPORT) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_DRIVER_BINDING_SUPPORT_BEGIN(ModuleHandle, ControllerHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_DB_SUPPORT)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, (UINT64)(UINTN)ControllerHandle, MODULE_DB_SUPPORT_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the performance of DriverBinding Support in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT3 (dsiable PERF_CORE_DB_SUPPORT) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_DRIVER_BINDING_SUPPORT_END(ModuleHandle, ControllerHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_DB_SUPPORT)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, (UINT64)(UINTN)ControllerHandle, MODULE_DB_SUPPORT_END_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the performance of DriverBinding Start in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT4 (dsiable PERF_CORE_DB_START) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_DRIVER_BINDING_START_BEGIN(ModuleHandle, ControllerHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_DB_START)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, (UINT64)(UINTN)ControllerHandle, MODULE_DB_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the performance of DriverBinding Start in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT4 (dsiable PERF_CORE_DB_START) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_DRIVER_BINDING_START_END(ModuleHandle, ControllerHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_DB_START)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, (UINT64)(UINTN)ControllerHandle, MODULE_DB_END_ID); \ + } \ + } while (FALSE) + +/** + Start Macro to measure the performance of DriverBinding Stop in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT5 (dsiable PERF_CORE_DB_STOP) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_DRIVER_BINDING_STOP_BEGIN(ModuleHandle, ControllerHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_DB_STOP)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, (UINT64)(UINTN)ControllerHandle, MODULE_DB_STOP_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the performance of DriverBinding Stop in core. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT5 (dsiable PERF_CORE_DB_STOP) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_DRIVER_BINDING_STOP_END(ModuleHandle, ControllerHandle) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_CORE_DB_STOP)) { \ + LogPerformanceMeasurement (ModuleHandle, NULL, NULL, (UINT64)(UINTN)ControllerHandle, MODULE_DB_STOP_END_ID); \ + } \ + } while (FALSE) + +/** + Macro to measure the time from power-on to this macro execution. + It can be used to log a meaningful thing which happens at a time point. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_EVENT(EventString) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, EventString , 0, PERF_EVENT_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the perofrmance of evnent signal behavior in any module. + The event guid will be passed with this macro. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_EVENT_SIGNAL_BEGIN(EventGuid) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, EventGuid, __FUNCTION__ , 0, PERF_EVENTSIGNAL_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the perofrmance of evnent signal behavior in any module. + The event guid will be passed with this macro. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_EVENT_SIGNAL_END(EventGuid) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, EventGuid, __FUNCTION__ , 0, PERF_EVENTSIGNAL_END_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the perofrmance of a callback function in any module. + The event guid which trigger the callback function will be passed with this macro. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_CALLBACK_BEGIN(TriggerGuid) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, TriggerGuid, __FUNCTION__ , 0, PERF_CALLBACK_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the perofrmance of a callback function in any module. + The event guid which trigger the callback function will be passed with this macro. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_CALLBACK_END(TriggerGuid) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, TriggerGuid, __FUNCTION__ , 0, PERF_CALLBACK_END_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the perofrmance of a general function in any module. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_FUNCTION_BEGIN() \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, __FUNCTION__ , 0, PERF_FUNCTION_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the perofrmance of a general function in any module. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_FUNCTION_END() \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, __FUNCTION__ , 0, PERF_FUNCTION_END_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the perofrmance of a behavior within one module. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_INMODULE_BEGIN(MeasurementString) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, MeasurementString, 0, PERF_INMODULE_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the perofrmance of a behavior within one module. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_INMODULE_END(MeasurementString) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, MeasurementString, 0, PERF_INMODULE_END_ID); \ + } \ + } while (FALSE) + +/** + Begin Macro to measure the perofrmance of a behavior in different modules. + Such as the performance of PEI phase, DXE phase, BDS phase. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_CROSSMODULE_BEGIN(MeasurementString) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, MeasurementString, 0, PERF_CROSSMODULE_START_ID); \ + } \ + } while (FALSE) + +/** + End Macro to measure the perofrmance of a behavior in different modules. + Such as the performance of PEI phase, DXE phase, BDS phase. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + and the BIT6 (dsiable PERF_GENERAL_TYPE) of PcdPerformanceLibraryPropertyMask is not set. + then LogPerformanceMeasurement() is called. + +**/ +#define PERF_CROSSMODULE_END(MeasurementString) \ + do { \ + if (LogPerformanceMeasurementEnabled (PERF_GENERAL_TYPE)) { \ + LogPerformanceMeasurement (&gEfiCallerIdGuid, NULL, MeasurementString, 0, PERF_CROSSMODULE_END_ID); \ + } \ + } while (FALSE) + +/** + Macro that calls EndPerformanceMeasurement(). + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then EndPerformanceMeasurement() is called. + +**/ +#define PERF_END(Handle, Token, Module, TimeStamp) \ + do { \ + if (PerformanceMeasurementEnabled ()) { \ + EndPerformanceMeasurement (Handle, Token, Module, TimeStamp); \ + } \ + } while (FALSE) + +/** + Macro that calls StartPerformanceMeasurement(). + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then StartPerformanceMeasurement() is called. + +**/ +#define PERF_START(Handle, Token, Module, TimeStamp) \ + do { \ + if (PerformanceMeasurementEnabled ()) { \ + StartPerformanceMeasurement (Handle, Token, Module, TimeStamp); \ + } \ + } while (FALSE) + +/** + Macro that calls EndPerformanceMeasurementEx(). + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then EndPerformanceMeasurementEx() is called. + +**/ +#define PERF_END_EX(Handle, Token, Module, TimeStamp, Identifier) \ + do { \ + if (PerformanceMeasurementEnabled ()) { \ + EndPerformanceMeasurementEx (Handle, Token, Module, TimeStamp, Identifier); \ + } \ + } while (FALSE) + +/** + Macro that calls StartPerformanceMeasurementEx(). + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then StartPerformanceMeasurementEx() is called. + +**/ +#define PERF_START_EX(Handle, Token, Module, TimeStamp, Identifier) \ + do { \ + if (PerformanceMeasurementEnabled ()) { \ + StartPerformanceMeasurementEx (Handle, Token, Module, TimeStamp, Identifier); \ + } \ + } while (FALSE) + +/** + Macro that marks the beginning of performance measurement source code. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then this macro marks the beginning of source code that is included in a module. + Otherwise, the source lines between PERF_CODE_BEGIN() and PERF_CODE_END() are not included in a module. + +**/ +#define PERF_CODE_BEGIN() do { if (PerformanceMeasurementEnabled ()) { UINT8 __PerformanceCodeLocal + +/** + Macro that marks the end of performance measurement source code. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then this macro marks the end of source code that is included in a module. + Otherwise, the source lines between PERF_CODE_BEGIN() and PERF_CODE_END() are not included in a module. + +**/ +#define PERF_CODE_END() __PerformanceCodeLocal = 0; __PerformanceCodeLocal++; } } while (FALSE) + +/** + Macro that declares a section of performance measurement source code. + + If the PERFORMANCE_LIBRARY_PROPERTY_MEASUREMENT_ENABLED bit of PcdPerformanceLibraryPropertyMask is set, + then the source code specified by Expression is included in a module. + Otherwise, the source specified by Expression is not included in a module. + + @param Expression Performance measurement source code to include in a module. + +**/ +#define PERF_CODE(Expression) \ + PERF_CODE_BEGIN (); \ + Expression \ + PERF_CODE_END () + + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PostCodeLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PostCodeLib.h new file mode 100644 index 0000000000..df43c06ad8 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PostCodeLib.h @@ -0,0 +1,144 @@ +/** @file + Provides services to send progress/error codes to a POST card. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __POST_CODE_LIB_H__ +#define __POST_CODE_LIB_H__ + +#define POST_CODE_PROPERTY_POST_CODE_ENABLED 0x00000008 +#define POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED 0x00000010 + +/** + Sends a 32-bit value to a POST card. + + Sends the 32-bit value specified by Value to a POST card, and returns Value. + Some implementations of this library function may perform I/O operations + directly to a POST card device. Other implementations may send Value to + ReportStatusCode(), and the status code reporting mechanism will eventually + display the 32-bit value on the status reporting device. + + PostCode() must actively prevent recursion. If PostCode() is called while + processing another Post Code Library function, then + PostCode() must return Value immediately. + + @param Value The 32-bit value to write to the POST card. + + @return The 32-bit value to write to the POST card. + +**/ +UINT32 +EFIAPI +PostCode ( + IN UINT32 Value + ); + + +/** + Sends a 32-bit value to a POST and associated ASCII string. + + Sends the 32-bit value specified by Value to a POST card, and returns Value. + If Description is not NULL, then the ASCII string specified by Description is + also passed to the handler that displays the POST card value. Some + implementations of this library function may perform I/O operations directly + to a POST card device. Other implementations may send Value to ReportStatusCode(), + and the status code reporting mechanism will eventually display the 32-bit + value on the status reporting device. + + PostCodeWithDescription()must actively prevent recursion. If + PostCodeWithDescription() is called while processing another any other Post + Code Library function, then PostCodeWithDescription() must return Value + immediately. + + @param Value The 32-bit value to write to the POST card. + @param Description Pointer to an ASCII string that is a description of the + POST code value. This is an optional parameter that may + be NULL. + + @return The 32-bit value to write to the POST card. + +**/ +UINT32 +EFIAPI +PostCodeWithDescription ( + IN UINT32 Value, + IN CONST CHAR8 *Description OPTIONAL + ); + + +/** + Returns TRUE if POST Codes are enabled. + + This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_ENABLED + bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of + PcdPostCodeProperyMask is set. + @retval FALSE The POST_CODE_PROPERTY_POST_CODE_ENABLED bit of + PcdPostCodeProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +PostCodeEnabled ( + VOID + ); + + +/** + Returns TRUE if POST code descriptions are enabled. + + This function returns TRUE if the POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED + bit of PcdPostCodePropertyMask is set. Otherwise FALSE is returned. + + @retval TRUE The POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED bit of + PcdPostCodeProperyMask is set. + @retval FALSE The POST_CODE_PROPERTY_POST_CODE_DESCRIPTION_ENABLED bit of + PcdPostCodeProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +PostCodeDescriptionEnabled ( + VOID + ); + + +/** + Sends a 32-bit value to a POST card. + + If POST codes are enabled in PcdPostCodeProperyMask, then call PostCode() + passing in Value. Value is returned. + + @param Value The 32-bit value to write to the POST card. + + @return Value The 32-bit value to write to the POST card. + +**/ +#define POST_CODE(Value) PostCodeEnabled() ? PostCode(Value) : Value + +/** + Sends a 32-bit value to a POST and associated ASCII string. + + If POST codes and POST code descriptions are enabled in + PcdPostCodeProperyMask, then call PostCodeWithDescription() passing in + Value and Description. If only POST codes are enabled, then call PostCode() + passing in Value. Value is returned. + + @param Value The 32-bit value to write to the POST card. + @param Description Pointer to an ASCII string that is a description of the + POST code value. + + @return Value The 32-bit value to write to the POST card. +**/ +#define POST_CODE_WITH_DESCRIPTION(Value,Description) \ + PostCodeEnabled() ? \ + (PostCodeDescriptionEnabled() ? \ + PostCodeWithDescription(Value,Description) : \ + PostCode(Value)) : \ + Value + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PrintLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PrintLib.h new file mode 100644 index 0000000000..8548e1ce5b --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/PrintLib.h @@ -0,0 +1,1045 @@ +/** @file + Provides services to print a formatted string to a buffer. All combinations of + Unicode and ASCII strings are supported. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + + The Print Library functions provide a simple means to produce formatted output + strings. Many of the output functions use a format string to describe how to + format the output of variable arguments. The format string consists of normal + text and argument descriptors. There are no restrictions for how the normal + text and argument descriptors can be mixed. The following end of line(EOL) + translations must be performed on the contents of the format string: + + - '\\r' is translated to '\\r' + - '\\r\\n' is translated to '\\r\\n' + - '\\n' is translated to '\\r\\n' + - '\\n\\r' is translated to '\\r\\n' + + This does not follow the ANSI C standard for sprint(). The format of argument + descriptors is described below. The ANSI C standard for sprint() has been + followed for some of the format types, and has not been followed for others. + The exceptions are noted below. + + %[flags][width][.precision]type + + [flags]: + - - + - The field is left justified. If not flag is not specified, then the + field is right justified. + - space + - Prefix a space character to a number. Only valid for types X, x, and d. + - + + - Prefix a plus character to a number. Only valid for types X, x, and d. + If both space and + are specified, then space is ignored. + - 0 + - Pad with 0 characters to the left of a number. Only valid for types + X, x, and d. + - , + - Place a comma every 3rd digit of the number. Only valid for type d. + If 0 is also specified, then 0 is ignored. + - L, l + - The number being printed is size UINT64. Only valid for types X, x, and d. + If this flag is not specified, then the number being printed is size int. + - NOTE: All invalid flags are ignored. + + [width]: + + - * + - The width of the field is specified by a UINTN argument in the + argument list. + - number + - The number specified as a decimal value represents the width of + the field. + - NOTE: If [width] is not specified, then a field width of 0 is assumed. + + [.precision]: + + - * + - The precision of the field is specified by a UINTN argument in the + argument list. + - number + - The number specified as a decimal value represents the precision of + the field. + - NOTE: If [.precision] is not specified, then a precision of 0 is assumed. + + type: + + - % + - Print a %%. + - c + - The argument is a Unicode character. ASCII characters can be printed + using this type too by making sure bits 8..15 of the argument are set to 0. + - x + - The argument is an unsigned hexadecimal number. The characters used are 0..9 and + A..F. If the flag 'L' is not specified, then the argument is assumed + to be size int. This does not follow ANSI C. + - X + - The argument is an unsigned hexadecimal number and the number is padded with + zeros. This is equivalent to a format string of "0x". If the flag + 'L' is not specified, then the argument is assumed to be size int. + This does not follow ANSI C. + - d + - The argument is a signed decimal number. If the flag 'L' is not specified, + then the argument is assumed to be size int. + - u + - The argument is a unsigned decimal number. If the flag 'L' is not specified, + then the argument is assumed to be size int. + - p + - The argument is a pointer that is a (VOID *), and it is printed as an + unsigned hexadecimal number The characters used are 0..9 and A..F. + - a + - The argument is a pointer to an ASCII string. + This does not follow ANSI C. + - S, s + - The argument is a pointer to a Unicode string. + This does not follow ANSI C. + - g + - The argument is a pointer to a GUID structure. The GUID is printed + in the format XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX. + This does not follow ANSI C. + - t + - The argument is a pointer to an EFI_TIME structure. The time and + date are printed in the format "mm/dd/yyyy hh:mm" where mm is the + month zero padded, dd is the day zero padded, yyyy is the year zero + padded, hh is the hour zero padded, and mm is minutes zero padded. + This does not follow ANSI C. + - r + - The argument is a RETURN_STATUS value. This value is converted to + a string following the table below. This does not follow ANSI C. + - RETURN_SUCCESS + - "Success" + - RETURN_LOAD_ERROR + - "Load Error" + - RETURN_INVALID_PARAMETER + - "Invalid Parameter" + - RETURN_UNSUPPORTED + - "Unsupported" + - RETURN_BAD_BUFFER_SIZE + - "Bad Buffer Size" + - RETURN_BUFFER_TOO_SMALL + - "Buffer Too Small" + - RETURN_NOT_READY + - "Not Ready" + - RETURN_DEVICE_ERROR + - "Device Error" + - RETURN_WRITE_PROTECTED + - "Write Protected" + - RETURN_OUT_OF_RESOURCES + - "Out of Resources" + - RETURN_VOLUME_CORRUPTED + - "Volume Corrupt" + - RETURN_VOLUME_FULL + - "Volume Full" + - RETURN_NO_MEDIA + - "No Media" + - RETURN_MEDIA_CHANGED + - "Media changed" + - RETURN_NOT_FOUND + - "Not Found" + - RETURN_ACCESS_DENIED + - "Access Denied" + - RETURN_NO_RESPONSE + - "No Response" + - RETURN_NO_MAPPING + - "No mapping" + - RETURN_TIMEOUT + - "Time out" + - RETURN_NOT_STARTED + - "Not started" + - RETURN_ALREADY_STARTED + - "Already started" + - RETURN_ABORTED + - "Aborted" + - RETURN_ICMP_ERROR + - "ICMP Error" + - RETURN_TFTP_ERROR + - "TFTP Error" + - RETURN_PROTOCOL_ERROR + - "Protocol Error" + - RETURN_WARN_UNKNOWN_GLYPH + - "Warning Unknown Glyph" + - RETURN_WARN_DELETE_FAILURE + - "Warning Delete Failure" + - RETURN_WARN_WRITE_FAILURE + - "Warning Write Failure" + - RETURN_WARN_BUFFER_TOO_SMALL + - "Warning Buffer Too Small" + +**/ + +#ifndef __PRINT_LIB_H__ +#define __PRINT_LIB_H__ + +/// +/// Define the maximum number of characters that are required to +/// encode with a NULL terminator a decimal, hexadecimal, GUID, +/// or TIME value. +/// +/// Maximum Length Decimal String = 28 +/// "-9,223,372,036,854,775,808" +/// Maximum Length Hexadecimal String = 17 +/// "FFFFFFFFFFFFFFFF" +/// Maximum Length GUID = 37 +/// "00000000-0000-0000-0000-000000000000" +/// Maximum Length TIME = 18 +/// "12/12/2006 12:12" +/// +#define MAXIMUM_VALUE_CHARACTERS 38 + +/// +/// Flags bitmask values use in UnicodeValueToString() and +/// AsciiValueToString() +/// +#define LEFT_JUSTIFY 0x01 +#define COMMA_TYPE 0x08 +#define PREFIX_ZERO 0x20 +#define RADIX_HEX 0x80 + +/** + Produces a Null-terminated Unicode string in an output buffer based on + a Null-terminated Unicode format string and a VA_LIST argument list. + + This function is similar as vsnprintf_s defined in C11. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on the + contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + + If StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 1 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and BufferSize > + (PcdMaximumUnicodeStringLength * sizeof (CHAR16) + 1), then ASSERT(). Also, the output + buffer is unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0 or 1, then the output buffer is unmodified and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated Unicode format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeVSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on + a Null-terminated Unicode format string and a BASE_LIST argument list. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on the + contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + + If StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 1 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and BufferSize > + (PcdMaximumUnicodeStringLength * sizeof (CHAR16) + 1), then ASSERT(). Also, the output + buffer is unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0 or 1, then the output buffer is unmodified and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated Unicode format string. + @param Marker BASE_LIST marker for the variable argument list. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeBSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN BASE_LIST Marker + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + Unicode format string and variable argument list. + + This function is similar as snprintf_s defined in C11. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + + If StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 1 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and BufferSize > + (PcdMaximumUnicodeStringLength * sizeof (CHAR16) + 1), then ASSERT(). Also, the output + buffer is unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0 or 1, then the output buffer is unmodified and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated Unicode format string. + @param ... Variable argument list whose contents are accessed based on the + format string specified by FormatString. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeSPrint ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + ... + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + ASCII format string and a VA_LIST argument list. + + This function is similar as vsnprintf_s defined in C11. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on the + contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + + If StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 1 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and BufferSize > + (PcdMaximumUnicodeStringLength * sizeof (CHAR16) + 1), then ASSERT(). Also, the output + buffer is unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength Ascii characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated ASCII format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeVSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + ASCII format string and a BASE_LIST argument list. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on the + contents of the format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + + If StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 1 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and BufferSize > + (PcdMaximumUnicodeStringLength * sizeof (CHAR16) + 1), then ASSERT(). Also, the output + buffer is unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength Ascii characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated ASCII format string. + @param Marker BASE_LIST marker for the variable argument list. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeBSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN BASE_LIST Marker + ); + +/** + Produces a Null-terminated Unicode string in an output buffer based on a Null-terminated + ASCII format string and variable argument list. + + This function is similar as snprintf_s defined in C11. + + Produces a Null-terminated Unicode string in the output buffer specified by StartOfBuffer + and BufferSize. + The Unicode string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the + format string. + The number of Unicode characters in the produced output buffer is returned not including + the Null-terminator. + + If StartOfBuffer is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 1 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 1 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and BufferSize > + (PcdMaximumUnicodeStringLength * sizeof (CHAR16) + 1), then ASSERT(). Also, the output + buffer is unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength Ascii characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0 or 1, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + Unicode string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated ASCII format string. + @param ... Variable argument list whose contents are accessed based on the + format string specified by FormatString. + + @return The number of Unicode characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeSPrintAsciiFormat ( + OUT CHAR16 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + ... + ); + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Converts a decimal value to a Null-terminated Unicode string. + + Converts the decimal number specified by Value to a Null-terminated Unicode + string specified by Buffer containing at most Width characters. No padding of spaces + is ever performed. If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed. + The number of Unicode characters in Buffer is returned, not including the Null-terminator. + If the conversion contains more than Width characters, then only the first + Width characters are returned, and the total number of characters + required to perform the conversion is returned. + Additional conversion parameters are specified in Flags. + + The Flags bit LEFT_JUSTIFY is always ignored. + All conversions are left justified in Buffer. + If Width is 0, PREFIX_ZERO is ignored in Flags. + If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas + are inserted every 3rd digit starting from the right. + If RADIX_HEX is set in Flags, then the output buffer will be + formatted in hexadecimal format. + If Value is < 0 and RADIX_HEX is not set in Flags, then the fist character in Buffer is a '-'. + If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, + then Buffer is padded with '0' characters so the combination of the optional '-' + sign character, '0' characters, digit characters for Value, and the Null-terminator + add up to Width characters. + If both COMMA_TYPE and RADIX_HEX are set in Flags, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If unsupported bits are set in Flags, then ASSERT(). + If both COMMA_TYPE and RADIX_HEX are set in Flags, then ASSERT(). + If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT() + + @param Buffer The pointer to the output buffer for the produced Null-terminated + Unicode string. + @param Flags The bitmask of flags that specify left justification, zero pad, and commas. + @param Value The 64-bit signed value to convert to a string. + @param Width The maximum number of Unicode characters to place in Buffer, not including + the Null-terminator. + + @return The number of Unicode characters in Buffer, not including the Null-terminator. + +**/ +UINTN +EFIAPI +UnicodeValueToString ( + IN OUT CHAR16 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ); + +#endif + +/** + Converts a decimal value to a Null-terminated Unicode string. + + Converts the decimal number specified by Value to a Null-terminated Unicode + string specified by Buffer containing at most Width characters. No padding of + spaces is ever performed. If Width is 0 then a width of + MAXIMUM_VALUE_CHARACTERS is assumed. If the conversion contains more than + Width characters, then only the first Width characters are placed in Buffer. + Additional conversion parameters are specified in Flags. + + The Flags bit LEFT_JUSTIFY is always ignored. + All conversions are left justified in Buffer. + If Width is 0, PREFIX_ZERO is ignored in Flags. + If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and + commas are inserted every 3rd digit starting from the right. + If RADIX_HEX is set in Flags, then the output buffer will be formatted in + hexadecimal format. + If Value is < 0 and RADIX_HEX is not set in Flags, then the fist character in + Buffer is a '-'. + If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, then + Buffer is padded with '0' characters so the combination of the optional '-' + sign character, '0' characters, digit characters for Value, and the + Null-terminator add up to Width characters. + + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + If an error would be returned, then the function will also ASSERT(). + + @param Buffer The pointer to the output buffer for the produced + Null-terminated Unicode string. + @param BufferSize The size of Buffer in bytes, including the + Null-terminator. + @param Flags The bitmask of flags that specify left justification, + zero pad, and commas. + @param Value The 64-bit signed value to convert to a string. + @param Width The maximum number of Unicode characters to place in + Buffer, not including the Null-terminator. + + @retval RETURN_SUCCESS The decimal value is converted. + @retval RETURN_BUFFER_TOO_SMALL If BufferSize cannot hold the converted + value. + @retval RETURN_INVALID_PARAMETER If Buffer is NULL. + If PcdMaximumUnicodeStringLength is not + zero, and BufferSize is greater than + (PcdMaximumUnicodeStringLength * + sizeof (CHAR16) + 1). + If unsupported bits are set in Flags. + If both COMMA_TYPE and RADIX_HEX are set in + Flags. + If Width >= MAXIMUM_VALUE_CHARACTERS. + +**/ +RETURN_STATUS +EFIAPI +UnicodeValueToStringS ( + IN OUT CHAR16 *Buffer, + IN UINTN BufferSize, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and a VA_LIST argument list. + + This function is similar as vsnprintf_s defined in C11. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on + the contents of the format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 0 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and BufferSize > + (PcdMaximumAsciiStringLength * sizeof (CHAR8)), then ASSERT(). Also, the output buffer + is unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength Ascii characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated ASCII format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiVSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and a BASE_LIST argument list. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on + the contents of the format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 0 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and BufferSize > + (PcdMaximumAsciiStringLength * sizeof (CHAR8)), then ASSERT(). Also, the output buffer + is unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength Ascii characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated ASCII format string. + @param Marker BASE_LIST marker for the variable argument list. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiBSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + IN BASE_LIST Marker + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + ASCII format string and variable argument list. + + This function is similar as snprintf_s defined in C11. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the + format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 0 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and BufferSize > + (PcdMaximumAsciiStringLength * sizeof (CHAR8)), then ASSERT(). Also, the output buffer + is unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more than + PcdMaximumAsciiStringLength Ascii characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated ASCII format string. + @param ... Variable argument list whose contents are accessed based on the + format string specified by FormatString. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiSPrint ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR8 *FormatString, + ... + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + Unicode format string and a VA_LIST argument list. + + This function is similar as vsnprintf_s defined in C11. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on + the contents of the format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 0 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and BufferSize > + (PcdMaximumAsciiStringLength * sizeof (CHAR8)), then ASSERT(). Also, the output buffer + is unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated Unicode format string. + @param Marker VA_LIST marker for the variable argument list. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiVSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + Unicode format string and a BASE_LIST argument list. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list specified by Marker based on + the contents of the format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 0 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and BufferSize > + (PcdMaximumAsciiStringLength * sizeof (CHAR8)), then ASSERT(). Also, the output buffer + is unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated Unicode format string. + @param Marker BASE_LIST marker for the variable argument list. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiBSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + IN BASE_LIST Marker + ); + +/** + Produces a Null-terminated ASCII string in an output buffer based on a Null-terminated + Unicode format string and variable argument list. + + This function is similar as snprintf_s defined in C11. + + Produces a Null-terminated ASCII string in the output buffer specified by StartOfBuffer + and BufferSize. + The ASCII string is produced by parsing the format string specified by FormatString. + Arguments are pulled from the variable argument list based on the contents of the + format string. + The number of ASCII characters in the produced output buffer is returned not including + the Null-terminator. + + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If BufferSize > 0 and StartOfBuffer is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If BufferSize > 0 and FormatString is NULL, then ASSERT(). Also, the output buffer is + unmodified and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and BufferSize > + (PcdMaximumAsciiStringLength * sizeof (CHAR8)), then ASSERT(). Also, the output buffer + is unmodified and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more than + PcdMaximumUnicodeStringLength Unicode characters not including the Null-terminator, then + ASSERT(). Also, the output buffer is unmodified and 0 is returned. + + If BufferSize is 0, then no output buffer is produced and 0 is returned. + + @param StartOfBuffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param BufferSize The size, in bytes, of the output buffer specified by StartOfBuffer. + @param FormatString A Null-terminated Unicode format string. + @param ... Variable argument list whose contents are accessed based on the + format string specified by FormatString. + + @return The number of ASCII characters in the produced output buffer not including the + Null-terminator. + +**/ +UINTN +EFIAPI +AsciiSPrintUnicodeFormat ( + OUT CHAR8 *StartOfBuffer, + IN UINTN BufferSize, + IN CONST CHAR16 *FormatString, + ... + ); + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function is deprecated for security reason. + + Converts a decimal value to a Null-terminated ASCII string. + + Converts the decimal number specified by Value to a Null-terminated ASCII string + specified by Buffer containing at most Width characters. No padding of spaces + is ever performed. + If Width is 0 then a width of MAXIMUM_VALUE_CHARACTERS is assumed. + The number of ASCII characters in Buffer is returned, not including the Null-terminator. + If the conversion contains more than Width characters, then only the first Width + characters are returned, and the total number of characters required to perform + the conversion is returned. + Additional conversion parameters are specified in Flags. + The Flags bit LEFT_JUSTIFY is always ignored. + All conversions are left justified in Buffer. + If Width is 0, PREFIX_ZERO is ignored in Flags. + If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and commas + are inserted every 3rd digit starting from the right. + If RADIX_HEX is set in Flags, then the output buffer will be + formatted in hexadecimal format. + If Value is < 0 and RADIX_HEX is not set in Flags, then the fist character in Buffer is a '-'. + If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, + then Buffer is padded with '0' characters so the combination of the optional '-' + sign character, '0' characters, digit characters for Value, and the Null-terminator + add up to Width characters. + + If Buffer is NULL, then ASSERT(). + If unsupported bits are set in Flags, then ASSERT(). + If both COMMA_TYPE and RADIX_HEX are set in Flags, then ASSERT(). + If Width >= MAXIMUM_VALUE_CHARACTERS, then ASSERT() + + @param Buffer A pointer to the output buffer for the produced Null-terminated + ASCII string. + @param Flags The bitmask of flags that specify left justification, zero pad, and commas. + @param Value The 64-bit signed value to convert to a string. + @param Width The maximum number of ASCII characters to place in Buffer, not including + the Null-terminator. + + @return The number of ASCII characters in Buffer, not including the Null-terminator. + +**/ +UINTN +EFIAPI +AsciiValueToString ( + OUT CHAR8 *Buffer, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ); + +#endif + +/** + Converts a decimal value to a Null-terminated Ascii string. + + Converts the decimal number specified by Value to a Null-terminated Ascii + string specified by Buffer containing at most Width characters. No padding of + spaces is ever performed. If Width is 0 then a width of + MAXIMUM_VALUE_CHARACTERS is assumed. If the conversion contains more than + Width characters, then only the first Width characters are placed in Buffer. + Additional conversion parameters are specified in Flags. + + The Flags bit LEFT_JUSTIFY is always ignored. + All conversions are left justified in Buffer. + If Width is 0, PREFIX_ZERO is ignored in Flags. + If COMMA_TYPE is set in Flags, then PREFIX_ZERO is ignored in Flags, and + commas are inserted every 3rd digit starting from the right. + If RADIX_HEX is set in Flags, then the output buffer will be formatted in + hexadecimal format. + If Value is < 0 and RADIX_HEX is not set in Flags, then the fist character in + Buffer is a '-'. + If PREFIX_ZERO is set in Flags and PREFIX_ZERO is not being ignored, then + Buffer is padded with '0' characters so the combination of the optional '-' + sign character, '0' characters, digit characters for Value, and the + Null-terminator add up to Width characters. + + If an error would be returned, then the function will ASSERT(). + + @param Buffer The pointer to the output buffer for the produced + Null-terminated Ascii string. + @param BufferSize The size of Buffer in bytes, including the + Null-terminator. + @param Flags The bitmask of flags that specify left justification, + zero pad, and commas. + @param Value The 64-bit signed value to convert to a string. + @param Width The maximum number of Ascii characters to place in + Buffer, not including the Null-terminator. + + @retval RETURN_SUCCESS The decimal value is converted. + @retval RETURN_BUFFER_TOO_SMALL If BufferSize cannot hold the converted + value. + @retval RETURN_INVALID_PARAMETER If Buffer is NULL. + If PcdMaximumAsciiStringLength is not + zero, and BufferSize is greater than + PcdMaximumAsciiStringLength. + If unsupported bits are set in Flags. + If both COMMA_TYPE and RADIX_HEX are set in + Flags. + If Width >= MAXIMUM_VALUE_CHARACTERS. + +**/ +RETURN_STATUS +EFIAPI +AsciiValueToStringS ( + IN OUT CHAR8 *Buffer, + IN UINTN BufferSize, + IN UINTN Flags, + IN INT64 Value, + IN UINTN Width + ); + +/** + Returns the number of characters that would be produced by if the formatted + output were produced not including the Null-terminator. + + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + If FormatString is NULL, then ASSERT() and 0 is returned. + If PcdMaximumUnicodeStringLength is not zero, and FormatString contains more + than PcdMaximumUnicodeStringLength Unicode characters not including the + Null-terminator, then ASSERT() and 0 is returned. + + @param[in] FormatString A Null-terminated Unicode format string. + @param[in] Marker VA_LIST marker for the variable argument list. + + @return The number of characters that would be produced, not including the + Null-terminator. +**/ +UINTN +EFIAPI +SPrintLength ( + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ); + +/** + Returns the number of characters that would be produced by if the formatted + output were produced not including the Null-terminator. + + If FormatString is NULL, then ASSERT() and 0 is returned. + If PcdMaximumAsciiStringLength is not zero, and FormatString contains more + than PcdMaximumAsciiStringLength Ascii characters not including the + Null-terminator, then ASSERT() and 0 is returned. + + @param[in] FormatString A Null-terminated ASCII format string. + @param[in] Marker VA_LIST marker for the variable argument list. + + @return The number of characters that would be produced, not including the + Null-terminator. +**/ +UINTN +EFIAPI +SPrintLengthAsciiFormat ( + IN CONST CHAR8 *FormatString, + IN VA_LIST Marker + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ReportStatusCodeLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ReportStatusCodeLib.h new file mode 100644 index 0000000000..0b77d78a04 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ReportStatusCodeLib.h @@ -0,0 +1,486 @@ +/** @file + Provides services to log status code records. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __REPORT_STATUS_CODE_LIB_H__ +#define __REPORT_STATUS_CODE_LIB_H__ + +#include <Uefi/UefiBaseType.h> +#include <Pi/PiStatusCode.h> +#include <Protocol/DevicePath.h> + +// +// Declare bits for PcdReportStatusCodePropertyMask +// +#define REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED 0x00000001 +#define REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED 0x00000002 +#define REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED 0x00000004 + +/** + Converts a status code to an 8-bit POST code value. + + Converts the status code specified by CodeType and Value to an 8-bit POST code + and returns the 8-bit POST code in PostCode. If CodeType is an + EFI_PROGRESS_CODE or CodeType is an EFI_ERROR_CODE, then bits 0..4 of PostCode + are set to bits 16..20 of Value, and bits 5..7 of PostCode are set to bits + 24..26 of Value., and TRUE is returned. Otherwise, FALSE is returned. + + If PostCode is NULL, then ASSERT(). + + @param CodeType The type of status code being converted. + @param Value The status code value being converted. + @param PostCode A pointer to the 8-bit POST code value to return. + + @retval TRUE The status code specified by CodeType and Value was converted + to an 8-bit POST code and returned in PostCode. + @retval FALSE The status code specified by CodeType and Value could not be + converted to an 8-bit POST code value. + +**/ +BOOLEAN +EFIAPI +CodeTypeToPostCode ( + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + OUT UINT8 *PostCode + ); + + +/** + Extracts ASSERT() information from a status code structure. + + Converts the status code specified by CodeType, Value, and Data to the ASSERT() + arguments specified by Filename, Description, and LineNumber. If CodeType is + an EFI_ERROR_CODE, and CodeType has a severity of EFI_ERROR_UNRECOVERED, and + Value has an operation mask of EFI_SW_EC_ILLEGAL_SOFTWARE_STATE, extract + Filename, Description, and LineNumber from the optional data area of the + status code buffer specified by Data. The optional data area of Data contains + a Null-terminated ASCII string for the FileName, followed by a Null-terminated + ASCII string for the Description, followed by a 32-bit LineNumber. If the + ASSERT() information could be extracted from Data, then return TRUE. + Otherwise, FALSE is returned. + + If Data is NULL, then ASSERT(). + If Filename is NULL, then ASSERT(). + If Description is NULL, then ASSERT(). + If LineNumber is NULL, then ASSERT(). + + @param CodeType The type of status code being converted. + @param Value The status code value being converted. + @param Data The pointer to status code data buffer. + @param Filename The pointer to the source file name that generated the ASSERT(). + @param Description The pointer to the description of the ASSERT(). + @param LineNumber The pointer to source line number that generated the ASSERT(). + + @retval TRUE The status code specified by CodeType, Value, and Data was + converted ASSERT() arguments specified by Filename, Description, + and LineNumber. + @retval FALSE The status code specified by CodeType, Value, and Data could + not be converted to ASSERT() arguments. + +**/ +BOOLEAN +EFIAPI +ReportStatusCodeExtractAssertInfo ( + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + IN CONST EFI_STATUS_CODE_DATA *Data, + OUT CHAR8 **Filename, + OUT CHAR8 **Description, + OUT UINT32 *LineNumber + ); + + +/** + Extracts DEBUG() information from a status code structure. + + Converts the status code specified by Data to the DEBUG() arguments specified + by ErrorLevel, Marker, and Format. If type GUID in Data is + EFI_STATUS_CODE_DATA_TYPE_DEBUG_GUID, then extract ErrorLevel, Marker, and + Format from the optional data area of the status code buffer specified by Data. + The optional data area of Data contains a 32-bit ErrorLevel followed by Marker + which is 12 UINTN parameters, followed by a Null-terminated ASCII string for + the Format. If the DEBUG() information could be extracted from Data, then + return TRUE. Otherwise, FALSE is returned. + + If Data is NULL, then ASSERT(). + If ErrorLevel is NULL, then ASSERT(). + If Marker is NULL, then ASSERT(). + If Format is NULL, then ASSERT(). + + @param Data The pointer to status code data buffer. + @param ErrorLevel The pointer to error level mask for a debug message. + @param Marker The pointer to the variable argument list associated with Format. + @param Format The pointer to a Null-terminated ASCII format string of a + debug message. + + @retval TRUE The status code specified by Data was converted DEBUG() arguments + specified by ErrorLevel, Marker, and Format. + @retval FALSE The status code specified by Data could not be converted to + DEBUG() arguments. + +**/ +BOOLEAN +EFIAPI +ReportStatusCodeExtractDebugInfo ( + IN CONST EFI_STATUS_CODE_DATA *Data, + OUT UINT32 *ErrorLevel, + OUT BASE_LIST *Marker, + OUT CHAR8 **Format + ); + + +/** + Reports a status code. + + Reports the status code specified by the parameters Type and Value. Status + code also require an instance, caller ID, and extended data. This function + passed in a zero instance, NULL extended data, and a caller ID of + gEfiCallerIdGuid, which is the GUID for the module. + + ReportStatusCode()must actively prevent recursion. If ReportStatusCode() + is called while processing another any other Report Status Code Library function, + then ReportStatusCode() must return immediately. + + @param Type Status code type. + @param Value Status code value. + + @retval EFI_SUCCESS The status code was reported. + @retval EFI_DEVICE_ERROR There status code could not be reported due to a + device error. + @retval EFI_UNSUPPORTED The report status code is not supported. + +**/ +EFI_STATUS +EFIAPI +ReportStatusCode ( + IN EFI_STATUS_CODE_TYPE Type, + IN EFI_STATUS_CODE_VALUE Value + ); + + +/** + Reports a status code with a Device Path Protocol as the extended data. + + Allocates and fills in the extended data section of a status code with the + Device Path Protocol specified by DevicePath. This function is responsible + for allocating a buffer large enough for the standard header and the device + path. The standard header is filled in with an implementation dependent GUID. + The status code is reported with a zero instance and a caller ID of gEfiCallerIdGuid. + + ReportStatusCodeWithDevicePath()must actively prevent recursion. If + ReportStatusCodeWithDevicePath() is called while processing another any other + Report Status Code Library function, then ReportStatusCodeWithDevicePath() + must return EFI_DEVICE_ERROR immediately. + + If DevicePath is NULL, then ASSERT(). + + @param Type The status code type. + @param Value The status code value. + @param DevicePath The pointer to the Device Path Protocol to be reported. + + @retval EFI_SUCCESS The status code was reported with the extended + data specified by DevicePath. + @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the + extended data section. + @retval EFI_UNSUPPORTED The report status code is not supported. + @retval EFI_DEVICE_ERROR A call to a Report Status Code Library function + is already in progress. + +**/ +EFI_STATUS +EFIAPI +ReportStatusCodeWithDevicePath ( + IN EFI_STATUS_CODE_TYPE Type, + IN EFI_STATUS_CODE_VALUE Value, + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath + ); + + +/** + Reports a status code with an extended data buffer. + + Allocates and fills in the extended data section of a status code with the + extended data specified by ExtendedData and ExtendedDataSize. ExtendedData + is assumed to be one of the data structures specified in Related Definitions. + These data structure do not have the standard header, so this function is + responsible for allocating a buffer large enough for the standard header and + the extended data passed into this function. The standard header is filled + in with an implementation dependent GUID. The status code is reported + with a zero instance and a caller ID of gEfiCallerIdGuid. + + ReportStatusCodeWithExtendedData()must actively prevent recursion. If + ReportStatusCodeWithExtendedData() is called while processing another any other + Report Status Code Library function, then ReportStatusCodeWithExtendedData() + must return EFI_DEVICE_ERROR immediately. + + If ExtendedData is NULL, then ASSERT(). + If ExtendedDataSize is 0, then ASSERT(). + + @param Type The status code type. + @param Value The status code value. + @param ExtendedData The pointer to the extended data buffer to be reported. + @param ExtendedDataSize The size, in bytes, of the extended data buffer to + be reported. + + @retval EFI_SUCCESS The status code was reported with the extended + data specified by ExtendedData and ExtendedDataSize. + @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the + extended data section. + @retval EFI_UNSUPPORTED The report status code is not supported. + @retval EFI_DEVICE_ERROR A call to a Report Status Code Library function + is already in progress. + +**/ +EFI_STATUS +EFIAPI +ReportStatusCodeWithExtendedData ( + IN EFI_STATUS_CODE_TYPE Type, + IN EFI_STATUS_CODE_VALUE Value, + IN CONST VOID *ExtendedData, + IN UINTN ExtendedDataSize + ); + + +/** + Reports a status code with full parameters. + + The function reports a status code. If ExtendedData is NULL and ExtendedDataSize + is 0, then an extended data buffer is not reported. If ExtendedData is not + NULL and ExtendedDataSize is not 0, then an extended data buffer is allocated. + ExtendedData is assumed not have the standard status code header, so this function + is responsible for allocating a buffer large enough for the standard header and + the extended data passed into this function. The standard header is filled in + with a GUID specified by ExtendedDataGuid. If ExtendedDataGuid is NULL, then a + GUID of gEfiStatusCodeSpecificDataGuid is used. The status code is reported with + an instance specified by Instance and a caller ID specified by CallerId. If + CallerId is NULL, then a caller ID of gEfiCallerIdGuid is used. + + ReportStatusCodeEx()must actively prevent recursion. If ReportStatusCodeEx() + is called while processing another any other Report Status Code Library function, + then ReportStatusCodeEx() must return EFI_DEVICE_ERROR immediately. + + If ExtendedData is NULL and ExtendedDataSize is not zero, then ASSERT(). + If ExtendedData is not NULL and ExtendedDataSize is zero, then ASSERT(). + + @param Type The status code type. + @param Value The status code value. + @param Instance The status code instance number. + @param CallerId The pointer to a GUID that identifies the caller of this + function. If this parameter is NULL, then a caller + ID of gEfiCallerIdGuid is used. + @param ExtendedDataGuid The pointer to the GUID for the extended data buffer. + If this parameter is NULL, then a the status code + standard header is filled in with an implementation dependent GUID. + @param ExtendedData The pointer to the extended data buffer. This is an + optional parameter that may be NULL. + @param ExtendedDataSize The size, in bytes, of the extended data buffer. + + @retval EFI_SUCCESS The status code was reported. + @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate + the extended data section if it was specified. + @retval EFI_UNSUPPORTED The report status code is not supported. + @retval EFI_DEVICE_ERROR A call to a Report Status Code Library function + is already in progress. + +**/ +EFI_STATUS +EFIAPI +ReportStatusCodeEx ( + IN EFI_STATUS_CODE_TYPE Type, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN CONST EFI_GUID *CallerId OPTIONAL, + IN CONST EFI_GUID *ExtendedDataGuid OPTIONAL, + IN CONST VOID *ExtendedData OPTIONAL, + IN UINTN ExtendedDataSize + ); + + +/** + Returns TRUE if status codes of type EFI_PROGRESS_CODE are enabled + + This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED + bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned. + + @retval TRUE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of + PcdReportStatusCodeProperyMask is set. + @retval FALSE The REPORT_STATUS_CODE_PROPERTY_PROGRESS_CODE_ENABLED bit of + PcdReportStatusCodeProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +ReportProgressCodeEnabled ( + VOID + ); + + +/** + Returns TRUE if status codes of type EFI_ERROR_CODE are enabled + + This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED + bit of PcdReportStatusCodeProperyMask is set. Otherwise, FALSE is returned. + + @retval TRUE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of + PcdReportStatusCodeProperyMask is set. + @retval FALSE The REPORT_STATUS_CODE_PROPERTY_ERROR_CODE_ENABLED bit of + PcdReportStatusCodeProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +ReportErrorCodeEnabled ( + VOID + ); + + +/** + Returns TRUE if status codes of type EFI_DEBUG_CODE are enabled + + This function returns TRUE if the REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED + bit of PcdReportStatusCodeProperyMask is set. Otherwise FALSE is returned. + + @retval TRUE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of + PcdReportStatusCodeProperyMask is set. + @retval FALSE The REPORT_STATUS_CODE_PROPERTY_DEBUG_CODE_ENABLED bit of + PcdReportStatusCodeProperyMask is clear. + +**/ +BOOLEAN +EFIAPI +ReportDebugCodeEnabled ( + VOID + ); + + +/** + Reports a status code with minimal parameters if the status code type is enabled. + + If the status code type specified by Type is enabled in + PcdReportStatusCodeProperyMask, then call ReportStatusCode() passing in Type + and Value. + + @param Type The status code type. + @param Value The status code value. + + @retval EFI_SUCCESS The status code was reported. + @retval EFI_DEVICE_ERROR There status code could not be reported due to a device error. + @retval EFI_UNSUPPORTED Report status code is not supported. + +**/ +#define REPORT_STATUS_CODE(Type,Value) \ + (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \ + ReportStatusCode(Type,Value) : \ + (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \ + ReportStatusCode(Type,Value) : \ + (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \ + ReportStatusCode(Type,Value) : \ + EFI_UNSUPPORTED + + +/** + Reports a status code with a Device Path Protocol as the extended data if the + status code type is enabled. + + If the status code type specified by Type is enabled in + PcdReportStatusCodeProperyMask, then call ReportStatusCodeWithDevicePath() + passing in Type, Value, and DevicePath. + + @param Type The status code type. + @param Value The status code value. + @param DevicePath Pointer to the Device Path Protocol to be reported. + + @retval EFI_SUCCESS The status code was reported with the extended + data specified by DevicePath. + @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the + extended data section. + @retval EFI_UNSUPPORTED The report status code is not supported. + @retval EFI_DEVICE_ERROR A call to a Report Status Code Library function + is already in progress. + +**/ +#define REPORT_STATUS_CODE_WITH_DEVICE_PATH(Type,Value,DevicePathParameter) \ + (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \ + ReportStatusCodeWithDevicePath(Type,Value,DevicePathParameter) : \ + (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \ + ReportStatusCodeWithDevicePath(Type,Value,DevicePathParameter) : \ + (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \ + ReportStatusCodeWithDevicePath(Type,Value,DevicePathParameter) : \ + EFI_UNSUPPORTED + + +/** + Reports a status code with an extended data buffer if the status code type + is enabled. + + If the status code type specified by Type is enabled in + PcdReportStatusCodeProperyMask, then call ReportStatusCodeWithExtendedData() + passing in Type, Value, ExtendedData, and ExtendedDataSize. + + @param Type The status code type. + @param Value The status code value. + @param ExtendedData The pointer to the extended data buffer to be reported. + @param ExtendedDataSize The size, in bytes, of the extended data buffer to + be reported. + + @retval EFI_SUCCESS The status code was reported with the extended + data specified by ExtendedData and ExtendedDataSize. + @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the + extended data section. + @retval EFI_UNSUPPORTED The report status code is not supported. + @retval EFI_DEVICE_ERROR A call to a Report Status Code Library function + is already in progress. + +**/ +#define REPORT_STATUS_CODE_WITH_EXTENDED_DATA(Type,Value,ExtendedData,ExtendedDataSize) \ + (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \ + ReportStatusCodeWithExtendedData(Type,Value,ExtendedData,ExtendedDataSize) : \ + (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \ + ReportStatusCodeWithExtendedData(Type,Value,ExtendedData,ExtendedDataSize) : \ + (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \ + ReportStatusCodeWithExtendedData(Type,Value,ExtendedData,ExtendedDataSize) : \ + EFI_UNSUPPORTED + +/** + Reports a status code specifying all parameters if the status code type is enabled. + + If the status code type specified by Type is enabled in + PcdReportStatusCodeProperyMask, then call ReportStatusCodeEx() passing in Type, + Value, Instance, CallerId, ExtendedDataGuid, ExtendedData, and ExtendedDataSize. + + @param Type The status code type. + @param Value The status code value. + @param Instance The status code instance number. + @param CallerId The pointer to a GUID that identifies the caller of this + function. If this parameter is NULL, then a caller + ID of gEfiCallerIdGuid is used. + @param ExtendedDataGuid Pointer to the GUID for the extended data buffer. + If this parameter is NULL, then a the status code + standard header is filled in with an implementation dependent GUID. + @param ExtendedData Pointer to the extended data buffer. This is an + optional parameter that may be NULL. + @param ExtendedDataSize The size, in bytes, of the extended data buffer. + + @retval EFI_SUCCESS The status code was reported. + @retval EFI_OUT_OF_RESOURCES There were not enough resources to allocate the + extended data section if it was specified. + @retval EFI_UNSUPPORTED The report status code is not supported. + @retval EFI_DEVICE_ERROR A call to a Report Status Code Library function + is already in progress. + +**/ +#define REPORT_STATUS_CODE_EX(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) \ + (ReportProgressCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_PROGRESS_CODE) ? \ + ReportStatusCodeEx(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) : \ + (ReportErrorCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_ERROR_CODE) ? \ + ReportStatusCodeEx(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) : \ + (ReportDebugCodeEnabled() && ((Type) & EFI_STATUS_CODE_TYPE_MASK) == EFI_DEBUG_CODE) ? \ + ReportStatusCodeEx(Type,Value,Instance,CallerId,ExtendedDataGuid,ExtendedData,ExtendedDataSize) : \ + EFI_UNSUPPORTED + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ResourcePublicationLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ResourcePublicationLib.h new file mode 100644 index 0000000000..3e2a810e42 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/ResourcePublicationLib.h @@ -0,0 +1,36 @@ +/** @file + Provides a service to publish discovered system resources. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __RESOURCE_PUBLICATION_LIB__ +#define __RESOURCE_PUBLICATION_LIB__ + +/** + Declares the presence of permanent system memory in the platform. + + Declares that the system memory buffer specified by MemoryBegin and MemoryLength + as permanent memory that may be used for general purpose use by software. + The amount of memory available to software may be less than MemoryLength + if published memory has alignment restrictions. + If MemoryLength is 0, then ASSERT(). + If MemoryLength is greater than (MAX_ADDRESS - MemoryBegin + 1), then ASSERT(). + + @param MemoryBegin The start address of the memory being declared. + @param MemoryLength The number of bytes of memory being declared. + + @retval RETURN_SUCCESS The memory buffer was published. + @retval RETURN_OUT_OF_RESOURCES There are not enough resources to publish the memory buffer + +**/ +RETURN_STATUS +EFIAPI +PublishSystemMemory ( + IN PHYSICAL_ADDRESS MemoryBegin, + IN UINT64 MemoryLength + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/RngLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/RngLib.h new file mode 100644 index 0000000000..bed9d8e5be --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/RngLib.h @@ -0,0 +1,80 @@ +/** @file + Provides random number generator services. + +Copyright (c) 2015, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __RNG_LIB_H__ +#define __RNG_LIB_H__ + +/** + Generates a 16-bit random number. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the 16-bit random value. + + @retval TRUE Random number generated successfully. + @retval FALSE Failed to generate the random number. + +**/ +BOOLEAN +EFIAPI +GetRandomNumber16 ( + OUT UINT16 *Rand + ); + +/** + Generates a 32-bit random number. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the 32-bit random value. + + @retval TRUE Random number generated successfully. + @retval FALSE Failed to generate the random number. + +**/ +BOOLEAN +EFIAPI +GetRandomNumber32 ( + OUT UINT32 *Rand + ); + +/** + Generates a 64-bit random number. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the 64-bit random value. + + @retval TRUE Random number generated successfully. + @retval FALSE Failed to generate the random number. + +**/ +BOOLEAN +EFIAPI +GetRandomNumber64 ( + OUT UINT64 *Rand + ); + +/** + Generates a 128-bit random number. + + if Rand is NULL, then ASSERT(). + + @param[out] Rand Buffer pointer to store the 128-bit random value. + + @retval TRUE Random number generated successfully. + @retval FALSE Failed to generate the random number. + +**/ +BOOLEAN +EFIAPI +GetRandomNumber128 ( + OUT UINT64 *Rand + ); + +#endif // __RNG_LIB_H__ diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3BootScriptLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3BootScriptLib.h new file mode 100644 index 0000000000..4e8e4b3ffa --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3BootScriptLib.h @@ -0,0 +1,595 @@ +/** @file + Defines library APIs used by modules to save EFI Boot Script Opcodes. + These OpCode will be restored by S3 related modules. + Note that some of the API defined in the Library class may not + be provided in the Framework version library instance, which means some of these + APIs cannot be used if the underlying firmware is Framework and not PI. + + Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _S3_BOOT_SCRIPT_LIB_H_ +#define _S3_BOOT_SCRIPT_LIB_H_ + +#include <Library/BaseLib.h> +#include <IndustryStandard/SmBus.h> + +/** + Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an + address that can be passed to the S3 Boot Script Library PCI functions. + + @param Bus PCI Bus number. Range 0..255. + @param Device PCI Device number. Range 0..31. + @param Function PCI Function number. Range 0..7. + @param Register PCI Register number. Range 0..255 for PCI. Range 0..4095 + for PCI Express. + + @return The encoded PCI address. + +**/ +#define S3_BOOT_SCRIPT_LIB_PCI_ADDRESS(Bus,Device,Function,Register) \ + (UINT64) ( \ + (((UINTN) Bus) << 24) | \ + (((UINTN) Device) << 16) | \ + (((UINTN) Function) << 8) | \ + (((UINTN) (Register)) < 256 ? ((UINTN) (Register)) : (UINT64) (LShiftU64 ((UINT64) (Register), 32)))) + +/// +/// S3 Boot Script Width. +/// +typedef enum { + S3BootScriptWidthUint8, ///< 8-bit operation. + S3BootScriptWidthUint16, ///< 16-bit operation. + S3BootScriptWidthUint32, ///< 32-bit operation. + S3BootScriptWidthUint64, ///< 64-bit operation. + S3BootScriptWidthFifoUint8, ///< 8-bit FIFO operation. + S3BootScriptWidthFifoUint16, ///< 16-bit FIFO operation. + S3BootScriptWidthFifoUint32, ///< 32-bit FIFO operation. + S3BootScriptWidthFifoUint64, ///< 64-bit FIFO operation. + S3BootScriptWidthFillUint8, ///< 8-bit Fill operation. + S3BootScriptWidthFillUint16, ///< 16-bit Fill operation. + S3BootScriptWidthFillUint32, ///< 32-bit Fill operation. + S3BootScriptWidthFillUint64, ///< 64-bit Fill operation. + S3BootScriptWidthMaximum +} S3_BOOT_SCRIPT_LIB_WIDTH; + +/** + Save I/O write to boot script. + + @param[in] Width The width of the I/O operations. + @param[in] Address The base address of the I/O operations. + @param[in] Count The number of I/O operations to perform. + @param[in] Buffer The source buffer from which to write data. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveIoWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Adds a record for an I/O modify operation into a S3 boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Address The base address of the I/O operations. + @param[in] Data A pointer to the data to be OR-ed. + @param[in] DataMask A pointer to the data mask to be AND-ed with the data + read from the register. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveIoReadWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ); + +/** + Adds a record for a memory write operation into a specified boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Address The base address of the memory operations + @param[in] Count The number of memory operations to perform. + @param[in] Buffer The source buffer from which to write the data. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveMemWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Adds a record for a memory modify operation into a specified boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Address The base address of the memory operations. Address needs + alignment, if required + @param[in] Data A pointer to the data to be OR-ed. + @param[in] DataMask A pointer to the data mask to be AND-ed with the data + read from the register. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveMemReadWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ); + +/** + Adds a record for a PCI configuration space write operation into a specified boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Address The address within the PCI configuration space. + @param[in] Count The number of PCI operations to perform. + @param[in] Buffer The source buffer from which to write the data. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSavePciCfgWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Adds a record for a PCI configuration space modify operation into a specified boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Address The address within the PCI configuration space. + @param[in] Data A pointer to the data to be OR-ed.The size depends on Width. + @param[in] DataMask A pointer to the data mask to be AND-ed. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN__SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSavePciCfgReadWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ); + +/** + Adds a record for a PCI configuration space modify operation into a specified boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Segment The PCI segment number for Address. + @param[in] Address The address within the PCI configuration space. + @param[in] Count The number of PCI operations to perform. + @param[in] Buffer The source buffer from which to write the data. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSavePciCfg2Write ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT16 Segment, + IN UINT64 Address, + IN UINTN Count, + IN VOID *Buffer + ); + +/** + Adds a record for a PCI configuration space modify operation into a specified boot script table. + + @param[in] Width The width of the I/O operations. + @param[in] Segment The PCI segment number for Address. + @param[in] Address The address within the PCI configuration space. + @param[in] Data A pointer to the data to be OR-ed. The size depends on Width. + @param[in] DataMask A pointer to the data mask to be AND-ed. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSavePciCfg2ReadWrite ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT16 Segment, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask + ); + +/** + Adds a record for an SMBus command execution into a specified boot script table. + + @param[in] SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS + Command, SMBUS Data Length, and PEC. + @param[in] Operation Indicates which particular SMBus protocol it will use + to execute the SMBus transactions. + @param[in] Length A pointer to signify the number of bytes that this + operation will do. + @param[in] Buffer Contains the value of data to execute to the SMBUS + slave device. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveSmbusExecute ( + IN UINTN SmBusAddress, + IN EFI_SMBUS_OPERATION Operation, + IN UINTN *Length, + IN VOID *Buffer + ); + +/** + Adds a record for an execution stall on the processor into a specified boot script table. + + @param[in] Duration The duration in microseconds of the stall. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveStall ( + IN UINTN Duration + ); + +/** + Adds a record for dispatching specified arbitrary code into a specified boot script table. + + @param[in] EntryPoint The entry point of the code to be dispatched. + @param[in] Context The argument to be passed into the EntryPoint of the code + to be dispatched. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveDispatch2 ( + IN VOID *EntryPoint, + IN VOID *Context + ); + +/** + Adds a record for dispatching specified arbitrary code into a specified boot script table. + + @param[in] EntryPoint The entry point of the code to be dispatched. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveDispatch ( + IN VOID *EntryPoint + ); + +/** + Adds a record for memory reads of the memory location and continues when the exit + criteria is satisfied, or after a defined duration. + + Please aware, below interface is different with PI specification, Vol 5: + EFI_S3_SAVE_STATE_PROTOCOL.Write() for EFI_BOOT_SCRIPT_MEM_POLL_OPCODE. + "Duration" below is microseconds, while "Delay" in PI specification means + the number of 100ns units to poll. + + @param[in] Width The width of the memory operations. + @param[in] Address The base address of the memory operations. + @param[in] BitMask A pointer to the bit mask to be AND-ed with the data read + from the register. + @param[in] BitValue A pointer to the data value after to be Masked. + @param[in] Duration The duration in microseconds of the stall. + @param[in] LoopTimes The times of the register polling. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveMemPoll ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN VOID *BitMask, + IN VOID *BitValue, + IN UINTN Duration, + IN UINT64 LoopTimes + ); + +/** + Store arbitrary information in the boot script table. This opcode is a no-op on + dispatch and is only used for debugging script issues. + + @param[in] InformationLength Length of the data in bytes + @param[in] Information Information to be logged in the boot scrpit + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveInformation ( + IN UINT32 InformationLength, + IN VOID *Information + ); +/** + Adds a record for I/O reads the I/O location and continues when the exit criteria + is satisfied, or after a defined duration. + + @param Width The width of the I/O operations. + @param Address The base address of the I/O operations. + @param Data The comparison value used for the polling exit criteria. + @param DataMask The mask used for the polling criteria. The bits in + the bytes below Width which are zero in Data are + ignored when polling the memory address. + @param Delay The number of 100ns units to poll. Note that timer + available may be of insufficient granularity, so the + delay may be longer. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform the + operation. + @retval RETURN_SUCCESS The opcode was added. + @note The FRAMEWORK version implementation does not support this API +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveIoPoll ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask, + IN UINT64 Delay + ); + +/** + Adds a record for PCI configuration space reads and continues when the exit + criteria is satisfied ,or after a defined duration. + + @param Width The width of the I/O operations. + @param Address The address within the PCI configuration space. + @param Data The comparison value used for the polling exit + criteria. + @param DataMask Mask used for the polling criteria. The bits in + the bytes below Width which are zero in Data are + ignored when polling the memory address. + @param Delay The number of 100ns units to poll. Note that timer + available may be of insufficient granularity, so the + delay may be longer. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform the + operation. + @retval RETURN_SUCCESS The opcode was added. + @note The FRAMEWORK version implementation does not support this API +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSavePciPoll ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask, + IN UINT64 Delay + ); +/** + Adds a record for PCI configuration space reads and continues when the exit criteria + is satisfied, or after a defined duration. + + @param Width The width of the I/O operations. + @param Segment The PCI segment number for Address. + @param Address The address within the PCI configuration space. + @param Data The comparison value used for the polling exit + criteria. + @param DataMask Mask used for the polling criteria. The bits in + the bytes below Width which are zero + in Data are ignored when polling the memory address + @param Delay The number of 100ns units to poll. Note that timer + available may be of insufficient granularity so the delay + may be longer. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform the + operation. + @retval RETURN_SUCCESS The opcode was added. + @note A known Limitations in the implementation: When interpreting the opcode + EFI_BOOT_SCRIPT_PCI_CONFIG2_WRITE_OPCODE, EFI_BOOT_SCRIPT_PCI_CONFIG2_READ_WRITE_OPCODE + and EFI_BOOT_SCRIPT_PCI_CONFIG2_POLL_OPCODE, the 'Segment' parameter is assumed as + Zero, or else, assert. + The FRAMEWORK version implementation does not support this API. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSavePci2Poll ( + IN S3_BOOT_SCRIPT_LIB_WIDTH Width, + IN UINT16 Segment, + IN UINT64 Address, + IN VOID *Data, + IN VOID *DataMask, + IN UINT64 Delay + ); +/** + Save ASCII string information specified by Buffer to boot script with opcode + EFI_BOOT_SCRIPT_INFORMATION_OPCODE. + + @param[in] String The Null-terminated ASCII string to store into the S3 boot + script table. + + @retval RETURN_OUT_OF_RESOURCES Not enough memory for the table to perform + the operation. + @retval RETURN_SUCCESS The opcode was added. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptSaveInformationAsciiString ( + IN CONST CHAR8 *String + ); + +/** + This is an function to close the S3 boot script table. The function could only + be called in BOOT time phase. To comply with the Framework spec definition on + EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable(), this function will fulfill following things: + 1. Closes the specified boot script table + 2. It allocates a new memory pool to duplicate all the boot scripts in the specified table. + Once this function is called, the table maintained by the library will be destroyed + after it is copied into the allocated pool. + 3. Any attempts to add a script record after calling this function will cause a + new table to be created by the library. + 4. The base address of the allocated pool will be returned in Address. Note that + after using the boot script table, the CALLER is responsible for freeing the + pool that is allocated by this function. + + In Spec PI1.1, this EFI_BOOT_SCRIPT_SAVE_PROTOCOL.CloseTable() is retired. This + API is supplied here to meet the requirements of the Framework Spec. + + If anyone does call CloseTable() on a real platform, then the caller is responsible + for figuring out how to get the script to run on an S3 resume because the boot script + maintained by the lib will be destroyed. + + @return the base address of the new copy of the boot script table. + +**/ +UINT8* +EFIAPI +S3BootScriptCloseTable ( + VOID + ); + +/** + Executes the S3 boot script table. + + @retval RETURN_SUCCESS The boot script table was executed successfully. + @retval RETURN_UNSUPPORTED Invalid script table or opcode. + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptExecute ( + VOID + ); +/** + Move the last boot script entry to the position + + @param BeforeOrAfter Specifies whether the opcode is stored before + (TRUE) or after (FALSE) the positionin the boot + script table specified by Position. If Position + is NULL or points to NULL then the new opcode is + inserted at the beginning of the table (if TRUE) + or end of the table (if FALSE). + @param Position On entry, specifies the position in the boot script + table where the opcode will be inserted, either + before or after, depending on BeforeOrAfter. On + exit, specifies the position of the inserted opcode + in the boot script table. + + @retval RETURN_OUT_OF_RESOURCES The table is not available. + @retval RETURN_INVALID_PARAMETER The Position is not a valid position in the + boot script table. + @retval RETURN_SUCCESS The opcode was inserted. + @note The FRAMEWORK version implementation does not support this API. +**/ +RETURN_STATUS +EFIAPI +S3BootScriptMoveLastOpcode ( + IN BOOLEAN BeforeOrAfter, + IN OUT VOID **Position OPTIONAL + ); +/** + Find a label within the boot script table and, if not present, optionally create it. + + @param BeforeOrAfter Specifies whether the opcode is stored before (TRUE) + or after (FALSE) the position in the boot script table + specified by Position. + @param CreateIfNotFound Specifies whether the label will be created if the + label does not exists (TRUE) or not (FALSE). + @param Position On entry, specifies the position in the boot script + table where the opcode will be inserted, either + before or after, depending on BeforeOrAfter. On exit, + specifies the positionof the inserted opcode in + the boot script table. + @param Label Points to the label which will be inserted in the + boot script table. + @retval EFI_SUCCESS The operation succeeded. A record was added into + the specified script table. + @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script + is not supported. If the opcode is unknow or not + supported because of the PCD Feature Flags. + @retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script. + @note The FRAMEWORK version implementation does not support this API + +**/ +RETURN_STATUS +EFIAPI +S3BootScriptLabel ( + IN BOOLEAN BeforeOrAfter, + IN BOOLEAN CreateIfNotFound, + IN OUT VOID **Position OPTIONAL, + IN CONST CHAR8 *Label + ); +/** + Compare two positions in the boot script table and return their relative position. + @param Position1 The positions in the boot script table to compare + @param Position2 The positions in the boot script table to compare + @param RelativePosition On return, points to the result of the comparison + + @retval EFI_SUCCESS The operation succeeded. A record was added into the + specified script table. + @retval EFI_INVALID_PARAMETER The parameter is illegal or the given boot script + is not supported. If the opcode is unknow or not s + upported because of the PCD Feature Flags. + @retval EFI_OUT_OF_RESOURCES There is insufficient memory to store the boot script. + @note The FRAMEWORK version implementation does not support this API +**/ +RETURN_STATUS +EFIAPI +S3BootScriptCompare ( + IN UINT8 *Position1, + IN UINT8 *Position2, + OUT UINTN *RelativePosition + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3IoLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3IoLib.h new file mode 100644 index 0000000000..f276050d09 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3IoLib.h @@ -0,0 +1,2670 @@ +/** @file + I/O and MMIO Library Services that do I/O and also enable the I/O operation + to be replayed during an S3 resume. This library class maps directly on top + of the IoLib class. + + Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __S3_IO_LIB_H__ +#define __S3_IO_LIB_H__ + +/** + Reads an 8-bit I/O port and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +S3IoRead8 ( + IN UINTN Port + ); + +/** + Writes an 8-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Writes the 8-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT8 +EFIAPI +S3IoWrite8 ( + IN UINTN Port, + IN UINT8 Value + ); + +/** + Reads an 8-bit I/O port, performs a bitwise OR, writes the + result back to the 8-bit I/O port, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 8-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 8-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoOr8 ( + IN UINTN Port, + IN UINT8 OrData + ); + +/** + Reads an 8-bit I/O port, performs a bitwise AND, writes the result back + to the 8-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 8-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoAnd8 ( + IN UINTN Port, + IN UINT8 AndData + ); + +/** + Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 8-bit I/O port, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 8-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoAndThenOr8 ( + IN UINTN Port, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of an I/O register, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the bit field in an 8-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Port The I/O port to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value read. + +**/ +UINT8 +EFIAPI +S3IoBitFieldRead8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register and saves the value in the S3 script to + be replayed on S3 resume. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. + Remaining bits in Value are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoBitFieldWrite8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise OR, writes the + result back to the bit field in the 8-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 8-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 8-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoBitFieldOr8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND, writes the + result back to the bit field in the 8-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 8-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoBitFieldAnd8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the + 8-bit port, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 8-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 8-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT8 +EFIAPI +S3IoBitFieldAndThenOr8 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +S3IoRead16 ( + IN UINTN Port + ); + +/** + Writes a 16-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Writes the 16-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT16 +EFIAPI +S3IoWrite16 ( + IN UINTN Port, + IN UINT16 Value + ); + +/** + Reads a 16-bit I/O port, performs a bitwise OR, writes the + result back to the 16-bit I/O port, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the 16-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 16-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoOr16 ( + IN UINTN Port, + IN UINT16 OrData + ); + +/** + Reads a 16-bit I/O port, performs a bitwise AND, writes the result back + to the 16-bit I/O port , and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 16-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoAnd16 ( + IN UINTN Port, + IN UINT16 AndData + ); + +/** + Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 16-bit I/O port, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 16-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoAndThenOr16 ( + IN UINTN Port, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of an I/O register saves the value in the S3 script to be + replayed on S3 resume. + + Reads the bit field in a 16-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Port The I/O port to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value read. + +**/ +UINT16 +EFIAPI +S3IoBitFieldRead16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register, and saves the value in the S3 script + to be replayed on S3 resume. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoBitFieldWrite16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise OR, writes the + result back to the bit field in the 16-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 16-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 16-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoBitFieldOr16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND, writes the + result back to the bit field in the 16-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 16-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoBitFieldAnd16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the + 16-bit port, and saves the value in the S3 script to be replayed on S3 + resume. + + Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 16-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 16-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT16 +EFIAPI +S3IoBitFieldAndThenOr16 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +S3IoRead32 ( + IN UINTN Port + ); + +/** + Writes a 32-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Writes the 32-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] Value The value to write to the I/O port. + + @return The value written the I/O port. + +**/ +UINT32 +EFIAPI +S3IoWrite32 ( + IN UINTN Port, + IN UINT32 Value + ); + +/** + Reads a 32-bit I/O port, performs a bitwise OR, writes the + result back to the 32-bit I/O port, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the 32-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 32-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoOr32 ( + IN UINTN Port, + IN UINT32 OrData + ); + +/** + Reads a 32-bit I/O port, performs a bitwise AND, writes the result back + to the 32-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 32-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoAnd32 ( + IN UINTN Port, + IN UINT32 AndData + ); + +/** + Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 32-bit I/O port, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 32-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoAndThenOr32 ( + IN UINTN Port, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of an I/O register, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the bit field in a 32-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Port The I/O port to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value read. + +**/ +UINT32 +EFIAPI +S3IoBitFieldRead32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoBitFieldWrite32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise OR, writes the + result back to the bit field in the 32-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 32-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 32-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoBitFieldOr32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND, writes the + result back to the bit field in the 32-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 32-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoBitFieldAnd32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the + 32-bit port, and saves the value in the S3 script to be replayed on S3 + resume. + + Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 32-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 32-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT32 +EFIAPI +S3IoBitFieldAndThenOr32 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a 64-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned. + This function must guarantee that all I/O read and write operations are + serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +S3IoRead64 ( + IN UINTN Port + ); + +/** + Writes a 64-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Writes the 64-bit I/O port specified by Port with the value specified by Value + and returns Value. This function must guarantee that all I/O read and write + operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] Value The value to write to the I/O port. + + @return The value written to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoWrite64 ( + IN UINTN Port, + IN UINT64 Value + ); + +/** + Reads a 64-bit I/O port, performs a bitwise OR, writes the + result back to the 64-bit I/O port, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the 64-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoOr64 ( + IN UINTN Port, + IN UINT64 OrData + ); + +/** + Reads a 64-bit I/O port, performs a bitwise AND, writes the result back + to the 64-bit I/O port, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 64-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoAnd64 ( + IN UINTN Port, + IN UINT64 AndData + ); + +/** + Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 64-bit I/O port, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, performs a bitwise OR + between the result of the AND operation and the value specified by OrData, + and writes the result to the 64-bit I/O port specified by Port. The value + written to the I/O port is returned. This function must guarantee that all + I/O read and write operations are serialized. + + If 64-bit I/O port operations are not supported, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoAndThenOr64 ( + IN UINTN Port, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field of an I/O register, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the bit field in a 64-bit I/O register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Port The I/O port to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read. + +**/ +UINT64 +EFIAPI +S3IoBitFieldRead64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an I/O register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes Value to the bit field of the I/O register. The bit field is specified + by the StartBit and the EndBit. All other bits in the destination I/O + register are preserved. The value written to the I/O port is returned. Extra + left bits in Value are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] Value New value of the bit field. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoBitFieldWrite64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise OR, writes the + result back to the bit field in the 64-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 64-bit I/O port specified by Port, performs a bitwise OR + between the read result and the value specified by OrData, and writes the + result to the 64-bit I/O port specified by Port. The value written to the I/O + port is returned. This function must guarantee that all I/O read and write + operations are serialized. Extra left bits in OrData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] OrData The value to OR with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoBitFieldOr64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise AND, writes the + result back to the bit field in the 64-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND between + the read result and the value specified by AndData, and writes the result to + the 64-bit I/O port specified by Port. The value written to the I/O port is + returned. This function must guarantee that all I/O read and write operations + are serialized. Extra left bits in AndData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] AndData The value to AND with the read value from the I/O port. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoBitFieldAnd64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + +/** + Reads a bit field in a 64-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the + 64-bit port, and saves the value in the S3 script to be replayed on S3 + resume. + + Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed + by a bitwise OR between the read result and the value specified by + AndData, and writes the result to the 64-bit I/O port specified by Port. The + value written to the I/O port is returned. This function must guarantee that + all I/O read and write operations are serialized. Extra left bits in both + AndData and OrData are stripped. + + If 64-bit I/O port operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Port The I/O port to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] AndData The value to AND with the read value from the I/O port. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the I/O port. + +**/ +UINT64 +EFIAPI +S3IoBitFieldAndThenOr64 ( + IN UINTN Port, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads an 8-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 8-bit MMIO register specified by Address. The 8-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +S3MmioRead8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Writes the 8-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] Value The value to write to the MMIO register. + + @return The value written the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioWrite8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise OR, writes the + result back to the 8-bit MMIO register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 8-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioOr8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise AND, writes the result + back to the 8-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 8-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioAnd8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 8-bit MMIO register, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 8-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioAndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a MMIO register, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the bit field in an 8-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address MMIO register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value read. + +**/ +UINT8 +EFIAPI +S3MmioBitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to an MMIO register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 8-bit register is returned. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioBitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, + writes the result back to the bit field in the 8-bit MMIO register, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 8-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioBitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 8-bit MMIO register, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 8-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioBitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, writes the result back to the bit field in the + 8-bit MMIO register, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 8-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 8-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT8 +EFIAPI +S3MmioBitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit MMIO register, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 16-bit MMIO register specified by Address. The 16-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +S3MmioRead16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit MMIO register, and saves the value in the S3 script to be replayed + on S3 resume. + + Writes the 16-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized, and saves the value in the S3 script to be + replayed on S3 resume. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] Value The value to write to the MMIO register. + + @return The value written the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioWrite16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise OR, writes the + result back to the 16-bit MMIO register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 16-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioOr16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise AND, writes the result + back to the 16-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 16-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioAnd16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 16-bit MMIO register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 16-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioAndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a MMIO register, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the bit field in a 16-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address MMIO register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value read. + +**/ +UINT16 +EFIAPI +S3MmioBitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 16-bit register is returned. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioBitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, + writes the result back to the bit field in the 16-bit MMIO register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 16-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioBitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 16-bit MMIO register and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 16-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioBitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, writes the result back to the bit field in the + 16-bit MMIO register, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 16-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 16-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT16 +EFIAPI +S3MmioBitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit MMIO register saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 32-bit MMIO register specified by Address. The 32-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +S3MmioRead32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Writes the 32-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] Value The value to write to the MMIO register. + + @return The value written the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioWrite32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise OR, writes the + result back to the 32-bit MMIO register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 32-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioOr32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise AND, writes the result + back to the 32-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 32-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioAnd32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 32-bit MMIO register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 32-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioAndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a MMIO register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads the bit field in a 32-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address MMIO register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value read. + +**/ +UINT32 +EFIAPI +S3MmioBitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register, and saves the value in the S3 script + to be replayed on S3 resume. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 32-bit register is returned. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioBitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, + writes the result back to the bit field in the 32-bit MMIO register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 32-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioBitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 32-bit MMIO register and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 32-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioBitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, writes the result back to the bit field in the + 32-bit MMIO register, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 32-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 32-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT32 +EFIAPI +S3MmioBitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a 64-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 64-bit MMIO register specified by Address. The 64-bit read value is + returned. This function must guarantee that all MMIO read and write + operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +S3MmioRead64 ( + IN UINTN Address + ); + +/** + Writes a 64-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Writes the 64-bit MMIO register specified by Address with the value specified + by Value and returns Value. This function must guarantee that all MMIO read + and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] Value The value to write to the MMIO register. + + @return The value written the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioWrite64 ( + IN UINTN Address, + IN UINT64 Value + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise OR, writes the + result back to the 64-bit MMIO register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 64-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioOr64 ( + IN UINTN Address, + IN UINT64 OrData + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise AND, writes the result + back to the 64-bit MMIO register, and saves the value in the S3 script to be + replayed on S3 resume. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 64-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioAnd64 ( + IN UINTN Address, + IN UINT64 AndData + ); + +/** + Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise + inclusive OR, writes the result back to the 64-bit MMIO register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, performs a + bitwise OR between the result of the AND operation and the value specified by + OrData, and writes the result to the 64-bit MMIO register specified by + Address. The value written to the MMIO register is returned. This function + must guarantee that all MMIO read and write operations are serialized. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioAndThenOr64 ( + IN UINTN Address, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Reads a bit field of a MMIO register saves the value in the S3 script to + be replayed on S3 resume. + + Reads the bit field in a 64-bit MMIO register. The bit field is specified by + the StartBit and the EndBit. The value of the bit field is returned. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address MMIO register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + + @return The value read. + +**/ +UINT64 +EFIAPI +S3MmioBitFieldRead64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a MMIO register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes Value to the bit field of the MMIO register. The bit field is + specified by the StartBit and the EndBit. All other bits in the destination + MMIO register are preserved. The new value of the 64-bit register is returned. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] Value New value of the bit field. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioBitFieldWrite64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 Value + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, + writes the result back to the bit field in the 64-bit MMIO register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise + inclusive OR between the read result and the value specified by OrData, and + writes the result to the 64-bit MMIO register specified by Address. The value + written to the MMIO register is returned. This function must guarantee that + all MMIO read and write operations are serialized. Extra left bits in OrData + are stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] OrData The value to OR with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioBitFieldOr64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 OrData + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and + writes the result back to the bit field in the 64-bit MMIO register, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + between the read result and the value specified by AndData, and writes the + result to the 64-bit MMIO register specified by Address. The value written to + the MMIO register is returned. This function must guarantee that all MMIO + read and write operations are serialized. Extra left bits in AndData are + stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] AndData The value to AND with the read value from the MMIO register. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioBitFieldAnd64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData + ); + +/** + Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed + by a bitwise OR, writes the result back to the bit field in the + 64-bit MMIO register, and saves the value in the S3 script to be replayed + on S3 resume. + + Reads the 64-bit MMIO register specified by Address, performs a bitwise AND + followed by a bitwise OR between the read result and the value + specified by AndData, and writes the result to the 64-bit MMIO register + specified by Address. The value written to the MMIO register is returned. + This function must guarantee that all MMIO read and write operations are + serialized. Extra left bits in both AndData and OrData are stripped. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + If StartBit is greater than 63, then ASSERT(). + If EndBit is greater than 63, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The MMIO register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..63. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..63. + @param[in] AndData The value to AND with the read value from the MMIO register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the MMIO register. + +**/ +UINT64 +EFIAPI +S3MmioBitFieldAndThenOr64 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT64 AndData, + IN UINT64 OrData + ); + +/** + Copies data from MMIO region to system memory by using 8-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 8-bit access. The total + number of bytes to be copied is specified by Length. Buffer is returned. + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + + @param[in] StartAddress Starting address for the MMIO region to be copied from. + @param[in] Length Size in bytes of the copy. + @param[out] Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer. + +**/ +UINT8 * +EFIAPI +S3MmioReadBuffer8 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT8 *Buffer + ); + +/** + Copies data from MMIO region to system memory by using 16-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 16-bit access. The total + number of bytes to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 16-bit boundary, then ASSERT(). + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] StartAddress Starting address for the MMIO region to be copied from. + @param[in] Length Size in bytes of the copy. + @param[out] Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer. + +**/ +UINT16 * +EFIAPI +S3MmioReadBuffer16 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT16 *Buffer + ); + +/** + Copies data from MMIO region to system memory by using 32-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 32-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 32-bit boundary, then ASSERT(). + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] StartAddress Starting address for the MMIO region to be copied from. + @param[in] Length Size in bytes of the copy. + @param[out] Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer. + +**/ +UINT32 * +EFIAPI +S3MmioReadBuffer32 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT32 *Buffer + ); + +/** + Copies data from MMIO region to system memory by using 64-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from MMIO region specified by starting address StartAddress + to system memory specified by Buffer by using 64-bit access. The total + number of byte to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). + + If Length is not aligned on a 64-bit boundary, then ASSERT(). + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + + @param[in] StartAddress Starting address for the MMIO region to be copied from. + @param[in] Length Size in bytes of the copy. + @param[out] Buffer Pointer to a system memory buffer receiving the data read. + + @return Buffer. + +**/ +UINT64 * +EFIAPI +S3MmioReadBuffer64 ( + IN UINTN StartAddress, + IN UINTN Length, + OUT UINT64 *Buffer + ); + +/** + Copies data from system memory to MMIO region by using 8-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 8-bit access. The total number + of byte to be copied is specified by Length. Buffer is returned. + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + + @param[in] StartAddress Starting address for the MMIO region to be copied to. + @param[in] Length Size in bytes of the copy. + @param[in] Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer. + +**/ +UINT8 * +EFIAPI +S3MmioWriteBuffer8 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT8 *Buffer + ); + +/** + Copies data from system memory to MMIO region by using 16-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 16-bit access. The total number + of bytes to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 16-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] StartAddress Starting address for the MMIO region to be copied to. + @param[in] Length Size in bytes of the copy. + @param[in] Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer. + +**/ +UINT16 * +EFIAPI +S3MmioWriteBuffer16 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT16 *Buffer + ); + +/** + Copies data from system memory to MMIO region by using 32-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 32-bit access. The total number + of bytes to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 32-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] StartAddress Starting address for the MMIO region to be copied to. + @param[in] Length Size in bytes of the copy. + @param[in] Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer. + +**/ +UINT32 * +EFIAPI +S3MmioWriteBuffer32 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT32 *Buffer + ); + +/** + Copies data from system memory to MMIO region by using 64-bit access, + and saves the value in the S3 script to be replayed on S3 resume. + + Copy data from system memory specified by Buffer to MMIO region specified + by starting address StartAddress by using 64-bit access. The total number + of bytes to be copied is specified by Length. Buffer is returned. + + If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). + + If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). + If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). + + If Length is not aligned on a 64-bit boundary, then ASSERT(). + + If Buffer is not aligned on a 64-bit boundary, then ASSERT(). + + @param[in] StartAddress Starting address for the MMIO region to be copied to. + @param[in] Length Size in bytes of the copy. + @param[in] Buffer Pointer to a system memory buffer containing the data to write. + + @return Buffer. + +**/ +UINT64 * +EFIAPI +S3MmioWriteBuffer64 ( + IN UINTN StartAddress, + IN UINTN Length, + IN CONST UINT64 *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3PciLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3PciLib.h new file mode 100644 index 0000000000..2d9ddc317c --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3PciLib.h @@ -0,0 +1,1045 @@ +/** @file + The PCI configuration Library Services that carry out PCI configuration and enable + the PCI operations to be replayed during an S3 resume. This library class + maps directly on top of the PciLib class. + + Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __S3_PCI_LIB_H__ +#define __S3_PCI_LIB_H__ + +/** + Macro that converts PCI Bus, PCI Device, PCI Function and PCI Register to an + address that can be passed to the S3 PCI Library functions. + + @param Bus The PCI Bus number. Range 0..255. + @param Device The PCI Device number. Range 0..31. + @param Function The PCI Function number. Range 0..7. + @param Register The PCI Register number. Range 0..255 for PCI. Range 0..4095 + for PCI Express. + + @return The encoded PCI address. + +**/ +#define S3_PCI_LIB_ADDRESS(Bus,Device,Function,Register) \ + (((Register) & 0xfff) | (((Function) & 0x07) << 12) | (((Device) & 0x1f) << 15) | (((Bus) & 0xff) << 20)) + +/** + + Reads and returns the 8-bit PCI configuration register specified by Address, + and saves the value in the S3 script to be replayed on S3 resume. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + + @return The value read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciRead8 ( + IN UINTN Address + ); + +/** + Writes an 8-bit PCI configuration register, and saves the value in the S3 + script to be replayed on S3 resume. + + Writes the 8-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciWrite8 ( + IN UINTN Address, + IN UINT8 Value + ); + +/** + Performs a bitwise OR of an 8-bit PCI configuration register with + an 8-bit value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciOr8 ( + IN UINTN Address, + IN UINT8 OrData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciAnd8 ( + IN UINTN Address, + IN UINT8 AndData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit + value, followed a bitwise OR with another 8-bit value, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] AndData The value to AND with the PCI configuration register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciAndThenOr8 ( + IN UINTN Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Reads the bit field in an 8-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address The PCI configuration register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciBitFieldRead8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 8-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciBitFieldWrite8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 8-bit port, and saves the value + in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciBitFieldOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 8-bit register and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciBitFieldAnd8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit Address, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 8-bit port, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param[in] AndData The value to AND with the PCI configuration register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciBitFieldAndThenOr8 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit PCI configuration register, and saves the value in the S3 + script to be replayed on S3 resume. + + Reads and returns the 16-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciRead16 ( + IN UINTN Address + ); + +/** + Writes a 16-bit PCI configuration register, and saves the value in the S3 + script to be replayed on S3 resume. + + Writes the 16-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciWrite16 ( + IN UINTN Address, + IN UINT16 Value + ); + +/** + Performs a bitwise OR of a 16-bit PCI configuration register with + a 16-bit value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciOr16 ( + IN UINTN Address, + IN UINT16 OrData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciAnd16 ( + IN UINTN Address, + IN UINT16 AndData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit + value, followed a bitwise OR with another 16-bit value, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] AndData The value to AND with the PCI configuration register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciAndThenOr16 ( + IN UINTN Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Reads the bit field in a 16-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address The PCI configuration register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciBitFieldRead16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 16-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciBitFieldWrite16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 16-bit port, and saves the value + in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciBitFieldOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 16-bit register and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciBitFieldAnd16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit Address, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 16-bit port, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param[in] AndData The value to AND with the PCI configuration register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciBitFieldAndThenOr16 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit PCI configuration register, and saves the value in the S3 + script to be replayed on S3 resume. + + Reads and returns the 32-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + + @return The read value from the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciRead32 ( + IN UINTN Address + ); + +/** + Writes a 32-bit PCI configuration register, and saves the value in the S3 + script to be replayed on S3 resume. + + Writes the 32-bit PCI configuration register specified by Address with the + value specified by Value. Value is returned. This function must guarantee + that all PCI read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciWrite32 ( + IN UINTN Address, + IN UINT32 Value + ); + +/** + Performs a bitwise OR of a 32-bit PCI configuration register with + a 32-bit value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciOr32 ( + IN UINTN Address, + IN UINT32 OrData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciAnd32 ( + IN UINTN Address, + IN UINT32 AndData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit + value, followed a bitwise OR with another 32-bit value, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and + the value specified by OrData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param[in] Address The address that encodes the PCI Bus, Device, Function and + Register. + @param[in] AndData The value to AND with the PCI configuration register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciAndThenOr32 ( + IN UINTN Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Reads the bit field in a 32-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param[in] Address The PCI configuration register to read. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciBitFieldRead32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 32-bit register is returned. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciBitFieldWrite32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and + writes the result back to the bit field in the 32-bit port, and saves the value + in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciBitFieldOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 32-bit register and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciBitFieldAnd32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit Address, performs a bitwise AND followed by a + bitwise OR, and writes the result back to the bit field in the + 32-bit port, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If Address > 0x0FFFFFFF, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param[in] Address The PCI configuration register to write. + @param[in] StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param[in] EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param[in] AndData The value to AND with the PCI configuration register. + @param[in] OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciBitFieldAndThenOr32 ( + IN UINTN Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a range of PCI configuration registers into a caller supplied buffer, + and saves the value in the S3 script to be replayed on S3 resume. + + Reads the range of PCI configuration registers specified by StartAddress and + Size into the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be read. Size is + returned. When possible 32-bit PCI configuration read cycles are used to read + from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit + and 16-bit PCI configuration read cycles may be used at the beginning and the + end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param[in] StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param[in] Size Size in bytes of the transfer. + @param[out] Buffer The pointer to a buffer receiving the data read. + + @return Size. + +**/ +UINTN +EFIAPI +S3PciReadBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + OUT VOID *Buffer + ); + +/** + Copies the data in a caller supplied buffer to a specified range of PCI + configuration space, and saves the value in the S3 script to be replayed on S3 + resume. + + Writes the range of PCI configuration registers specified by StartAddress and + Size from the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be written. Size is + returned. When possible 32-bit PCI configuration write cycles are used to + write from StartAdress to StartAddress + Size. Due to alignment restrictions, + 8-bit and 16-bit PCI configuration write cycles may be used at the beginning + and the end of the range. + + If StartAddress > 0x0FFFFFFF, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param[in] StartAddress Starting address that encodes the PCI Bus, Device, + Function and Register. + @param[in] Size Size in bytes of the transfer. + @param[in] Buffer The pointer to a buffer containing the data to write. + + @return Size. + +**/ +UINTN +EFIAPI +S3PciWriteBuffer ( + IN UINTN StartAddress, + IN UINTN Size, + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3PciSegmentLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3PciSegmentLib.h new file mode 100644 index 0000000000..5e8d70b4b0 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3PciSegmentLib.h @@ -0,0 +1,1031 @@ +/** @file + The multiple segments PCI configuration Library Services that carry out + PCI configuration and enable the PCI operations to be replayed during an + S3 resume. This library class maps directly on top of the PciSegmentLib class. + + Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __S3_PCI_SEGMENT_LIB__ +#define __S3_PCI_SEGMENT_LIB__ + + +/** + Macro that converts PCI Segment, PCI Bus, PCI Device, PCI Function, + and PCI Register to an address that can be passed to the S3 PCI Segment Library functions. + + Computes an address that is compatible with the PCI Segment Library functions. + The unused upper bits of Segment, Bus, Device, Function, + and Register are stripped prior to the generation of the address. + + @param Segment PCI Segment number. Range 0..65535. + @param Bus PCI Bus number. Range 0..255. + @param Device PCI Device number. Range 0..31. + @param Function PCI Function number. Range 0..7. + @param Register PCI Register number. Range 0..255 for PCI. Range 0..4095 for PCI Express. + + @return The address that is compatible with the PCI Segment Library functions. + +**/ +#define S3_PCI_SEGMENT_LIB_ADDRESS(Segment,Bus,Device,Function,Register) \ + ((Segment != 0) ? \ + ( ((Register) & 0xfff) | \ + (((Function) & 0x07) << 12) | \ + (((Device) & 0x1f) << 15) | \ + (((Bus) & 0xff) << 20) | \ + (LShiftU64 ((Segment) & 0xffff, 32)) \ + ) : \ + ( ((Register) & 0xfff) | \ + (((Function) & 0x07) << 12) | \ + (((Device) & 0x1f) << 15) | \ + (((Bus) & 0xff) << 20) \ + ) \ + ) + +/** + Reads an 8-bit PCI configuration register, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads and returns the 8-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + + @return The 8-bit PCI configuration register specified by Address. + +**/ +UINT8 +EFIAPI +S3PciSegmentRead8 ( + IN UINT64 Address + ); + +/** + Writes an 8-bit PCI configuration register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes the 8-bit PCI configuration register specified by Address with the value specified by Value. + Value is returned. This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param Value The value to write. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentWrite8 ( + IN UINT64 Address, + IN UINT8 Value + ); + +/** + Performs a bitwise OR of an 8-bit PCI configuration register with an 8-bit value, and saves + the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, + performs a bitwise OR between the read result and the value specified by OrData, + and writes the result to the 8-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentOr8 ( + IN UINT64 Address, + IN UINT8 OrData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + and writes the result to the 8-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentAnd8 ( + IN UINT64 Address, + IN UINT8 AndData + ); + +/** + Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit value, + followed a bitwise OR with another 8-bit value, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and the value specified by OrData, + and writes the result to the 8-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentAndThenOr8 ( + IN UINT64 Address, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a bit field of a PCI configuration register, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the bit field in an 8-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentBitFieldRead8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 8-bit register is returned. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentBitFieldWrite8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 Value + ); + +/** + Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, writes + the result back to the bit field in the 8-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 8-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentBitFieldOr8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 OrData + ); + +/** + Reads a bit field in an 8-bit PCI configuration register, performs a bitwise + AND, writes the result back to the bit field in the 8-bit register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 8-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentBitFieldAnd8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData + ); + +/** + Reads a bit field in an 8-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the 8-bit port, + and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 8-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 8-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 7, then ASSERT(). + If EndBit is greater than 7, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..7. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..7. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT8 +EFIAPI +S3PciSegmentBitFieldAndThenOr8 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT8 AndData, + IN UINT8 OrData + ); + +/** + Reads a 16-bit PCI configuration register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads and returns the 16-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + + @return The 16-bit PCI configuration register specified by Address. + +**/ +UINT16 +EFIAPI +S3PciSegmentRead16 ( + IN UINT64 Address + ); + +/** + Writes a 16-bit PCI configuration register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes the 16-bit PCI configuration register specified by Address with the value specified by Value. + Value is returned. This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param Value The value to write. + + @return The parameter of Value. + +**/ +UINT16 +EFIAPI +S3PciSegmentWrite16 ( + IN UINT64 Address, + IN UINT16 Value + ); + +/** + Performs a bitwise OR of a 16-bit PCI configuration register with a 16-bit + value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by OrData, and + writes the result to the 16-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. This function + must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentOr16 ( + IN UINT64 Address, + IN UINT16 OrData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + and writes the result to the 16-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentAnd16 ( + IN UINT64 Address, + IN UINT16 AndData + ); + +/** + Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit value, + followed a bitwise OR with another 16-bit value, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and the value specified by OrData, + and writes the result to the 16-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentAndThenOr16 ( + IN UINT64 Address, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a bit field of a PCI configuration register, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the bit field in a 16-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentBitFieldRead16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 16-bit register is returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentBitFieldWrite16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 Value + ); + +/** + Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, writes + the result back to the bit field in the 16-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 16-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentBitFieldOr16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 OrData + ); + +/** + Reads a bit field in a 16-bit PCI configuration register, performs a bitwise + AND, writes the result back to the bit field in the 16-bit register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 16-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 16-bit boundary, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentBitFieldAnd16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData + ); + +/** + Reads a bit field in a 16-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the 16-bit port, + and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 16-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 16-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 15, then ASSERT(). + If EndBit is greater than 15, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..15. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..15. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT16 +EFIAPI +S3PciSegmentBitFieldAndThenOr16 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT16 AndData, + IN UINT16 OrData + ); + +/** + Reads a 32-bit PCI configuration register, and saves the value in the S3 script + to be replayed on S3 resume. + + Reads and returns the 32-bit PCI configuration register specified by Address. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + + @return The 32-bit PCI configuration register specified by Address. + +**/ +UINT32 +EFIAPI +S3PciSegmentRead32 ( + IN UINT64 Address + ); + +/** + Writes a 32-bit PCI configuration register, and saves the value in the S3 script to + be replayed on S3 resume. + + Writes the 32-bit PCI configuration register specified by Address with the value specified by Value. + Value is returned. This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param Value The value to write. + + @return The parameter of Value. + +**/ +UINT32 +EFIAPI +S3PciSegmentWrite32 ( + IN UINT64 Address, + IN UINT32 Value + ); + +/** + Performs a bitwise OR of a 32-bit PCI configuration register with a 32-bit + value, and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by OrData, and + writes the result to the 32-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. This function + must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and + Register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentOr32 ( + IN UINT64 Address, + IN UINT32 OrData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + and writes the result to the 32-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentAnd32 ( + IN UINT64 Address, + IN UINT32 AndData + ); + +/** + Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit value, + followed a bitwise OR with another 32-bit value, and saves the value in the S3 script to + be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, + performs a bitwise AND between the read result and the value specified by AndData, + performs a bitwise OR between the result of the AND operation and the value specified by OrData, + and writes the result to the 32-bit PCI configuration register specified by Address. + The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are serialized. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the PCI configuration register. + + @return The value written to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentAndThenOr32 ( + IN UINT64 Address, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a bit field of a PCI configuration register, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the bit field in a 32-bit PCI configuration register. The bit field is + specified by the StartBit and the EndBit. The value of the bit field is + returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + + @param Address PCI configuration register to read. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + + @return The value of the bit field read from the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentBitFieldRead32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit + ); + +/** + Writes a bit field to a PCI configuration register, and saves the value in + the S3 script to be replayed on S3 resume. + + Writes Value to the bit field of the PCI configuration register. The bit + field is specified by the StartBit and the EndBit. All other bits in the + destination PCI configuration register are preserved. The new value of the + 32-bit register is returned. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param Value New value of the bit field. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentBitFieldWrite32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 Value + ); + +/** + Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, writes + the result back to the bit field in the 32-bit port, and saves the value in the + S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise OR between the read result and the value specified by + OrData, and writes the result to the 32-bit PCI configuration register + specified by Address. The value written to the PCI configuration register is + returned. This function must guarantee that all PCI read and write operations + are serialized. Extra left bits in OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param OrData The value to OR with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentBitFieldOr32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 OrData + ); + +/** + Reads a bit field in a 32-bit PCI configuration register, performs a bitwise + AND, and writes the result back to the bit field in the 32-bit register, and + saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND between the read result and the value specified by AndData, and + writes the result to the 32-bit PCI configuration register specified by + Address. The value written to the PCI configuration register is returned. + This function must guarantee that all PCI read and write operations are + serialized. Extra left bits in AndData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If Address is not aligned on a 32-bit boundary, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address Address that encodes the PCI Segment, Bus, Device, Function, and Register. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentBitFieldAnd32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData + ); + +/** + Reads a bit field in a 32-bit port, performs a bitwise AND followed by a + bitwise OR, writes the result back to the bit field in the 32-bit port, + and saves the value in the S3 script to be replayed on S3 resume. + + Reads the 32-bit PCI configuration register specified by Address, performs a + bitwise AND followed by a bitwise OR between the read result and + the value specified by AndData, and writes the result to the 32-bit PCI + configuration register specified by Address. The value written to the PCI + configuration register is returned. This function must guarantee that all PCI + read and write operations are serialized. Extra left bits in both AndData and + OrData are stripped. + + If any reserved bits in Address are set, then ASSERT(). + If StartBit is greater than 31, then ASSERT(). + If EndBit is greater than 31, then ASSERT(). + If EndBit is less than StartBit, then ASSERT(). + If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). + + @param Address PCI configuration register to write. + @param StartBit The ordinal of the least significant bit in the bit field. + Range 0..31. + @param EndBit The ordinal of the most significant bit in the bit field. + Range 0..31. + @param AndData The value to AND with the PCI configuration register. + @param OrData The value to OR with the result of the AND operation. + + @return The value written back to the PCI configuration register. + +**/ +UINT32 +EFIAPI +S3PciSegmentBitFieldAndThenOr32 ( + IN UINT64 Address, + IN UINTN StartBit, + IN UINTN EndBit, + IN UINT32 AndData, + IN UINT32 OrData + ); + +/** + Reads a range of PCI configuration registers into a caller supplied buffer, + and saves the value in the S3 script to be replayed on S3 resume. + + Reads the range of PCI configuration registers specified by StartAddress and + Size into the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be read. Size is + returned. When possible 32-bit PCI configuration read cycles are used to read + from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit + and 16-bit PCI configuration read cycles may be used at the beginning and the + end of the range. + + If any reserved bits in StartAddress are set, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Segment, Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer receiving the data read. + + @return Size + +**/ +UINTN +EFIAPI +S3PciSegmentReadBuffer ( + IN UINT64 StartAddress, + IN UINTN Size, + OUT VOID *Buffer + ); + +/** + Copies the data in a caller supplied buffer to a specified range of PCI + configuration space, and saves the value in the S3 script to be replayed on S3 + resume. + + Writes the range of PCI configuration registers specified by StartAddress and + Size from the buffer specified by Buffer. This function only allows the PCI + configuration registers from a single PCI function to be written. Size is + returned. When possible 32-bit PCI configuration write cycles are used to + write from StartAdress to StartAddress + Size. Due to alignment restrictions, + 8-bit and 16-bit PCI configuration write cycles may be used at the beginning + and the end of the range. + + If any reserved bits in StartAddress are set, then ASSERT(). + If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT(). + If Size > 0 and Buffer is NULL, then ASSERT(). + + @param StartAddress Starting address that encodes the PCI Segment, Bus, Device, + Function and Register. + @param Size Size in bytes of the transfer. + @param Buffer Pointer to a buffer containing the data to write. + + @return The parameter of Size. + +**/ +UINTN +EFIAPI +S3PciSegmentWriteBuffer ( + IN UINT64 StartAddress, + IN UINTN Size, + IN VOID *Buffer + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3SmbusLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3SmbusLib.h new file mode 100644 index 0000000000..471725641e --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3SmbusLib.h @@ -0,0 +1,448 @@ +/** @file + Smbus Library Services that conduct SMBus transactions and enable the operatation + to be replayed during an S3 resume. This library class maps directly on top + of the SmbusLib class. + + Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __S3_SMBUS_LIB_H__ +#define __S3_SMBUS_LIB_H__ + +/** + Executes an SMBUS quick read command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS quick read command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address field of SmBusAddress is required. + If Status is not NULL, then the status of the executed command is returned in Status. + If PEC is set in SmBusAddress, then ASSERT(). + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_UNSUPPORTED The SMBus operation is not supported. + +**/ +VOID +EFIAPI +S3SmBusQuickRead ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS quick write command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS quick write command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address field of SmBusAddress is required. + If Status is not NULL, then the status of the executed command is returned in Status. + If PEC is set in SmBusAddress, then ASSERT(). + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_UNSUPPORTED The SMBus operation is not supported. + +**/ +VOID +EFIAPI +S3SmBusQuickWrite ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS receive byte command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS receive byte command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address field of SmBusAddress is required. + The byte received from the SMBUS is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The byte received from the SMBUS. + +**/ +UINT8 +EFIAPI +S3SmBusReceiveByte ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS send byte command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS send byte command on the SMBUS device specified by SmBusAddress. + The byte specified by Value is sent. + Only the SMBUS slave address field of SmBusAddress is required. Value is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[in] Value The 8-bit value to send. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The parameter of Value. + +**/ +UINT8 +EFIAPI +S3SmBusSendByte ( + IN UINTN SmBusAddress, + IN UINT8 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS read data byte command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS read data byte command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + The 8-bit value read from the SMBUS is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The byte read from the SMBUS. + +**/ +UINT8 +EFIAPI +S3SmBusReadDataByte ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS write data byte command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS write data byte command on the SMBUS device specified by SmBusAddress. + The 8-bit value specified by Value is written. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + Value is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[in] Value The 8-bit value to write. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The parameter of Value. + +**/ +UINT8 +EFIAPI +S3SmBusWriteDataByte ( + IN UINTN SmBusAddress, + IN UINT8 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS read data word command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS read data word command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + The 16-bit value read from the SMBUS is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The byte read from the SMBUS. + +**/ +UINT16 +EFIAPI +S3SmBusReadDataWord ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS write data word command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS write data word command on the SMBUS device specified by SmBusAddress. + The 16-bit value specified by Value is written. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + Value is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[in] Value The 16-bit value to write. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The parameter of Value. + +**/ +UINT16 +EFIAPI +S3SmBusWriteDataWord ( + IN UINTN SmBusAddress, + IN UINT16 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS process call command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS process call command on the SMBUS device specified by SmBusAddress. + The 16-bit value specified by Value is written. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + The 16-bit value returned by the process call command is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[in] Value The 16-bit value to write. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The 16-bit value returned by the process call command. + +**/ +UINT16 +EFIAPI +S3SmBusProcessCall ( + IN UINTN SmBusAddress, + IN UINT16 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS read block command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS read block command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + Bytes are read from the SMBUS and stored in Buffer. + The number of bytes read is returned, and will never return a value larger than 32-bytes. + If Status is not NULL, then the status of the executed command is returned in Status. + It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read. + SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes. + If Length in SmBusAddress is not zero, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Buffer The pointer to the buffer to store the bytes read from the SMBUS. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The number of bytes read. + +**/ +UINTN +EFIAPI +S3SmBusReadBlock ( + IN UINTN SmBusAddress, + OUT VOID *Buffer, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS write block command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS write block command on the SMBUS device specified by SmBusAddress. + The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required. + Bytes are written to the SMBUS from Buffer. + The number of bytes written is returned, and will never return a value larger than 32-bytes. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is zero or greater than 32, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[out] Buffer The pointer to the buffer to store the bytes read from the SMBUS. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The number of bytes written. + +**/ +UINTN +EFIAPI +S3SmBusWriteBlock ( + IN UINTN SmBusAddress, + OUT VOID *Buffer, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS block process call command, and saves the value in the S3 script to be replayed + on S3 resume. + + Executes an SMBUS block process call command on the SMBUS device specified by SmBusAddress. + The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required. + Bytes are written to the SMBUS from WriteBuffer. Bytes are then read from the SMBUS into ReadBuffer. + If Status is not NULL, then the status of the executed command is returned in Status. + It is the caller's responsibility to make sure ReadBuffer is large enough for the total number of bytes read. + SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes. + If Length in SmBusAddress is zero or greater than 32, then ASSERT(). + If WriteBuffer is NULL, then ASSERT(). + If ReadBuffer is NULL, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param[in] SmBusAddress The address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param[in] WriteBuffer The pointer to the buffer of bytes to write to the SMBUS. + @param[out] ReadBuffer The pointer to the buffer of bytes to read from the SMBUS. + @param[out] Status The return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + was recorded in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus error (collision). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect). + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The number of bytes written. + +**/ +UINTN +EFIAPI +S3SmBusBlockProcessCall ( + IN UINTN SmBusAddress, + IN VOID *WriteBuffer, + OUT VOID *ReadBuffer, + OUT RETURN_STATUS *Status OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3StallLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3StallLib.h new file mode 100644 index 0000000000..aab86679dc --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/S3StallLib.h @@ -0,0 +1,32 @@ +/** @file + Stall Services that perform stalls and also enable the Stall operatation + to be replayed during an S3 resume. This library class maps directly on top + of the Timer class. + + Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> + + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __S3_STALL_LIB_H__ +#define __S3_STALL_LIB_H__ + +/** + Stalls the CPU for at least the given number of microseconds and saves + the value in the S3 script to be replayed on S3 resume. + + Stalls the CPU for the number of microseconds specified by MicroSeconds. + + @param[in] MicroSeconds The minimum number of microseconds to delay. + + @return MicroSeconds. + +**/ +UINTN +EFIAPI +S3Stall ( + IN UINTN MicroSeconds + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SafeIntLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SafeIntLib.h new file mode 100644 index 0000000000..e2f376f79f --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SafeIntLib.h @@ -0,0 +1,3013 @@ +/** @file + This library provides helper functions to prevent integer overflow during + type conversion, addition, subtraction, and multiplication. + + Copyright (c) 2017, Microsoft Corporation + + All rights reserved. + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#ifndef __INT_SAFE_LIB_H__ +#define __INT_SAFE_LIB_H__ + +// +// It is common for -1 to be used as an error value +// +#define INT8_ERROR ((INT8) -1) +#define UINT8_ERROR MAX_UINT8 +#define CHAR8_ERROR ((CHAR8)(MAX_INT8)) +#define INT16_ERROR ((INT16) -1) +#define UINT16_ERROR MAX_UINT16 +#define CHAR16_ERROR MAX_UINT16 +#define INT32_ERROR ((INT32) -1) +#define UINT32_ERROR MAX_UINT32 +#define INT64_ERROR ((INT64) -1) +#define UINT64_ERROR MAX_UINT64 +#define INTN_ERROR ((INTN) -1) +#define UINTN_ERROR MAX_UINTN + +// +// CHAR16 is defined to be the same as UINT16, so for CHAR16 +// operations redirect to the UINT16 ones: +// +#define SafeInt8ToChar16 SafeInt8ToUint16 +#define SafeInt16ToChar16 SafeInt16ToUint16 +#define SafeInt32ToChar16 SafeInt32ToUint16 +#define SafeUint32ToChar16 SafeUint32ToUint16 +#define SafeInt64ToChar16 SafeInt64ToUint16 +#define SafeUint64ToChar16 SafeUint64ToUint16 +#define SafeIntnToChar16 SafeIntnToUint16 +#define SafeUintnToChar16 SafeUintnToUint16 + +#define SafeChar16ToInt8 SafeUint16ToInt8 +#define SafeChar16ToUint8 SafeUint16ToUint8 +#define SafeChar16ToChar8 SafeUint16ToChar8 +#define SafeChar16ToInt16 SafeUint16ToInt16 + +#define SafeChar16Mult SafeUint16Mult +#define SafeChar16Sub SafeUint16Sub +#define SafeChar16Add SafeUint16Add + +// +// Conversion functions +// +// There are three reasons for having conversion functions: +// +// 1. We are converting from a signed type to an unsigned type of the same +// size, or vice-versa. +// +// 2. We are converting to a smaller type, and we could therefore possibly +// overflow. +// +// 3. We are converting to a bigger type, and we are signed and the type we are +// converting to is unsigned. +// + +/** + INT8 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8ToUint8 ( + IN INT8 Operand, + OUT UINT8 *Result + ); + +/** + INT8 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8ToChar8 ( + IN INT8 Operand, + OUT CHAR8 *Result + ); + +/** + INT8 -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8ToUint16 ( + IN INT8 Operand, + OUT UINT16 *Result + ); + +/** + INT8 -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8ToUint32 ( + IN INT8 Operand, + OUT UINT32 *Result + ); + +/** + INT8 -> UINTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8ToUintn ( + IN INT8 Operand, + OUT UINTN *Result + ); + +/** + INT8 -> UINT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8ToUint64 ( + IN INT8 Operand, + OUT UINT64 *Result + ); + +/** + UINT8 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint8ToInt8 ( + IN UINT8 Operand, + OUT INT8 *Result + ); + +/** + UINT8 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint8ToChar8 ( + IN UINT8 Operand, + OUT CHAR8 *Result + ); + +/** + INT16 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToInt8 ( + IN INT16 Operand, + OUT INT8 *Result + ); + +/** + INT16 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToChar8 ( + IN INT16 Operand, + OUT CHAR8 *Result + ); + +/** + INT16 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToUint8 ( + IN INT16 Operand, + OUT UINT8 *Result + ); + +/** + INT16 -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToUint16 ( + IN INT16 Operand, + OUT UINT16 *Result + ); + +/** + INT16 -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToUint32 ( + IN INT16 Operand, + OUT UINT32 *Result + ); + +/** + INT16 -> UINTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToUintn ( + IN INT16 Operand, + OUT UINTN *Result + ); + +/** + INT16 -> UINT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16ToUint64 ( + IN INT16 Operand, + OUT UINT64 *Result + ); + +/** + UINT16 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16ToInt8 ( + IN UINT16 Operand, + OUT INT8 *Result + ); + +/** + UINT16 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16ToChar8 ( + IN UINT16 Operand, + OUT CHAR8 *Result + ); + +/** + UINT16 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16ToUint8 ( + IN UINT16 Operand, + OUT UINT8 *Result + ); + +/** + UINT16 -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16ToInt16 ( + IN UINT16 Operand, + OUT INT16 *Result + ); + +/** + INT32 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToInt8 ( + IN INT32 Operand, + OUT INT8 *Result + ); + +/** + INT32 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToChar8 ( + IN INT32 Operand, + OUT CHAR8 *Result + ); + +/** + INT32 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToUint8 ( + IN INT32 Operand, + OUT UINT8 *Result + ); + +/** + INT32 -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToInt16 ( + IN INT32 Operand, + OUT INT16 *Result + ); + +/** + INT32 -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToUint16 ( + IN INT32 Operand, + OUT UINT16 *Result + ); + + +/** + INT32 -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToUint32 ( + IN INT32 Operand, + OUT UINT32 *Result + ); + +/** + INT32 -> UINTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToUintn ( + IN INT32 Operand, + OUT UINTN *Result + ); + +/** + INT32 -> UINT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32ToUint64 ( + IN INT32 Operand, + OUT UINT64 *Result + ); + +/** + UINT32 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToInt8 ( + IN UINT32 Operand, + OUT INT8 *Result + ); + +/** + UINT32 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToChar8 ( + IN UINT32 Operand, + OUT CHAR8 *Result + ); + +/** + UINT32 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToUint8 ( + IN UINT32 Operand, + OUT UINT8 *Result + ); + +/** + UINT32 -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToInt16 ( + IN UINT32 Operand, + OUT INT16 *Result + ); + +/** + UINT32 -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToUint16 ( + IN UINT32 Operand, + OUT UINT16 *Result + ); + +/** + UINT32 -> INT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToInt32 ( + IN UINT32 Operand, + OUT INT32 *Result + ); + +/** + UINT32 -> INTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32ToIntn ( + IN UINT32 Operand, + OUT INTN *Result + ); + +/** + INTN -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToInt8 ( + IN INTN Operand, + OUT INT8 *Result + ); + +/** + INTN -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToChar8 ( + IN INTN Operand, + OUT CHAR8 *Result + ); + +/** + INTN -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToUint8 ( + IN INTN Operand, + OUT UINT8 *Result + ); + +/** + INTN -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToInt16 ( + IN INTN Operand, + OUT INT16 *Result + ); + +/** + INTN -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToUint16 ( + IN INTN Operand, + OUT UINT16 *Result + ); + +/** + INTN -> INT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToInt32 ( + IN INTN Operand, + OUT INT32 *Result + ); + +/** + INTN -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToUint32 ( + IN INTN Operand, + OUT UINT32 *Result + ); + +/** + INTN -> UINTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToUintn ( + IN INTN Operand, + OUT UINTN *Result + ); + +/** + INTN -> UINT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnToUint64 ( + IN INTN Operand, + OUT UINT64 *Result + ); + +/** + UINTN -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToInt8 ( + IN UINTN Operand, + OUT INT8 *Result + ); + +/** + UINTN -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToChar8 ( + IN UINTN Operand, + OUT CHAR8 *Result + ); + +/** + UINTN -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToUint8 ( + IN UINTN Operand, + OUT UINT8 *Result + ); + +/** + UINTN -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToInt16 ( + IN UINTN Operand, + OUT INT16 *Result + ); + +/** + UINTN -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToUint16 ( + IN UINTN Operand, + OUT UINT16 *Result + ); + +/** + UINTN -> INT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToInt32 ( + IN UINTN Operand, + OUT INT32 *Result + ); + +/** + UINTN -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToUint32 ( + IN UINTN Operand, + OUT UINT32 *Result + ); + +/** + UINTN -> INTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToIntn ( + IN UINTN Operand, + OUT INTN *Result + ); + +/** + UINTN -> INT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnToInt64 ( + IN UINTN Operand, + OUT INT64 *Result + ); + +/** + INT64 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToInt8 ( + IN INT64 Operand, + OUT INT8 *Result + ); + +/** + INT64 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToChar8 ( + IN INT64 Operand, + OUT CHAR8 *Result + ); + +/** + INT64 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToUint8 ( + IN INT64 Operand, + OUT UINT8 *Result + ); + +/** + INT64 -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToInt16 ( + IN INT64 Operand, + OUT INT16 *Result + ); + +/** + INT64 -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToUint16 ( + IN INT64 Operand, + OUT UINT16 *Result + ); + +/** + INT64 -> INT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToInt32 ( + IN INT64 Operand, + OUT INT32 *Result + ); + +/** + INT64 -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToUint32 ( + IN INT64 Operand, + OUT UINT32 *Result + ); + +/** + INT64 -> INTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToIntn ( + IN INT64 Operand, + OUT INTN *Result + ); + +/** + INT64 -> UINTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToUintn ( + IN INT64 Operand, + OUT UINTN *Result + ); + +/** + INT64 -> UINT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64ToUint64 ( + IN INT64 Operand, + OUT UINT64 *Result + ); + +/** + UINT64 -> INT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToInt8 ( + IN UINT64 Operand, + OUT INT8 *Result + ); + +/** + UINT64 -> CHAR8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToChar8 ( + IN UINT64 Operand, + OUT CHAR8 *Result + ); + +/** + UINT64 -> UINT8 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToUint8 ( + IN UINT64 Operand, + OUT UINT8 *Result + ); + +/** + UINT64 -> INT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToInt16 ( + IN UINT64 Operand, + OUT INT16 *Result + ); + +/** + UINT64 -> UINT16 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToUint16 ( + IN UINT64 Operand, + OUT UINT16 *Result + ); + +/** + UINT64 -> INT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToInt32 ( + IN UINT64 Operand, + OUT INT32 *Result + ); + +/** + UINT64 -> UINT32 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToUint32 ( + IN UINT64 Operand, + OUT UINT32 *Result + ); + +/** + UINT64 -> INTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToIntn ( + IN UINT64 Operand, + OUT INTN *Result + ); + +/** + UINT64 -> UINTN conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToUintn ( + IN UINT64 Operand, + OUT UINTN *Result + ); + +/** + UINT64 -> INT64 conversion + + Converts the value specified by Operand to a value specified by Result type + and stores the converted value into the caller allocated output buffer + specified by Result. The caller must pass in a Result buffer that is at + least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the conversion results in an overflow or an underflow condition, then + Result is set to INT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Operand Operand to be converted to new type + @param[out] Result Pointer to the result of conversion + + @retval RETURN_SUCCESS Successful conversion + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64ToInt64 ( + IN UINT64 Operand, + OUT INT64 *Result + ); + +// +// Addition functions +// + +/** + UINT8 addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint8Add ( + IN UINT8 Augend, + IN UINT8 Addend, + OUT UINT8 *Result + ); + +/** + UINT16 addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16Add ( + IN UINT16 Augend, + IN UINT16 Addend, + OUT UINT16 *Result + ); + +/** + UINT32 addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32Add ( + IN UINT32 Augend, + IN UINT32 Addend, + OUT UINT32 *Result + ); + +/** + UINTN addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnAdd ( + IN UINTN Augend, + IN UINTN Addend, + OUT UINTN *Result + ); + +/** + UINT64 addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64Add ( + IN UINT64 Augend, + IN UINT64 Addend, + OUT UINT64 *Result + ); + +// +// Subtraction functions +// + +/** + UINT8 subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint8Sub ( + IN UINT8 Minuend, + IN UINT8 Subtrahend, + OUT UINT8 *Result + ); + +/** + UINT16 subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16Sub ( + IN UINT16 Minuend, + IN UINT16 Subtrahend, + OUT UINT16 *Result + ); + +/** + UINT32 subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32Sub ( + IN UINT32 Minuend, + IN UINT32 Subtrahend, + OUT UINT32 *Result + ); + +/** + UINTN subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnSub ( + IN UINTN Minuend, + IN UINTN Subtrahend, + OUT UINTN *Result + ); + +/** + UINT64 subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64Sub ( + IN UINT64 Minuend, + IN UINT64 Subtrahend, + OUT UINT64 *Result + ); + +// +// Multiplication functions +// + +/** + UINT8 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint8Mult ( + IN UINT8 Multiplicand, + IN UINT8 Multiplier, + OUT UINT8 *Result + ); + +/** + UINT16 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint16Mult ( + IN UINT16 Multiplicand, + IN UINT16 Multiplier, + OUT UINT16 *Result + ); + +/** + UINT32 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint32Mult ( + IN UINT32 Multiplicand, + IN UINT32 Multiplier, + OUT UINT32 *Result + ); + +/** + UINTN multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUintnMult ( + IN UINTN Multiplicand, + IN UINTN Multiplier, + OUT UINTN *Result + ); + +/** + UINT64 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to UINT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeUint64Mult ( + IN UINT64 Multiplicand, + IN UINT64 Multiplier, + OUT UINT64 *Result + ); + +// +// Signed operations +// +// Strongly consider using unsigned numbers. +// +// Signed numbers are often used where unsigned numbers should be used. +// For example file sizes and array indices should always be unsigned. +// Subtracting a larger positive signed number from a smaller positive +// signed number with SafeInt32Sub will succeed, producing a negative number, +// that then must not be used as an array index (but can occasionally be +// used as a pointer index.) Similarly for adding a larger magnitude +// negative number to a smaller magnitude positive number. +// +// This library does not protect you from such errors. It tells you if your +// integer operations overflowed, not if you are doing the right thing +// with your non-overflowed integers. +// +// Likewise you can overflow a buffer with a non-overflowed unsigned index. +// + +// +// Signed addition functions +// + +/** + INT8 Addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8Add ( + IN INT8 Augend, + IN INT8 Addend, + OUT INT8 *Result + ); + +/** + CHAR8 Addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeChar8Add ( + IN CHAR8 Augend, + IN CHAR8 Addend, + OUT CHAR8 *Result + ); + +/** + INT16 Addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16Add ( + IN INT16 Augend, + IN INT16 Addend, + OUT INT16 *Result + ); + +/** + INT32 Addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32Add ( + IN INT32 Augend, + IN INT32 Addend, + OUT INT32 *Result + ); + +/** + INTN Addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnAdd ( + IN INTN Augend, + IN INTN Addend, + OUT INTN *Result + ); + +/** + INT64 Addition + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Augend A number to which addend will be added + @param[in] Addend A number to be added to another + @param[out] Result Pointer to the result of addition + + @retval RETURN_SUCCESS Successful addition + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64Add ( + IN INT64 Augend, + IN INT64 Addend, + OUT INT64 *Result + ); + +// +// Signed subtraction functions +// + +/** + INT8 Subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8Sub ( + IN INT8 Minuend, + IN INT8 Subtrahend, + OUT INT8 *Result + ); + +/** + CHAR8 Subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeChar8Sub ( + IN CHAR8 Minuend, + IN CHAR8 Subtrahend, + OUT CHAR8 *Result + ); + +/** + INT16 Subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16Sub ( + IN INT16 Minuend, + IN INT16 Subtrahend, + OUT INT16 *Result + ); + +/** + INT32 Subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32Sub ( + IN INT32 Minuend, + IN INT32 Subtrahend, + OUT INT32 *Result + ); + +/** + INTN Subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnSub ( + IN INTN Minuend, + IN INTN Subtrahend, + OUT INTN *Result + ); + +/** + INT64 Subtraction + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Minuend A number from which another is to be subtracted. + @param[in] Subtrahend A number to be subtracted from another + @param[out] Result Pointer to the result of subtraction + + @retval RETURN_SUCCESS Successful subtraction + @retval RETURN_BUFFER_TOO_SMALL Underflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64Sub ( + IN INT64 Minuend, + IN INT64 Subtrahend, + OUT INT64 *Result + ); + +// +// Signed multiplication functions +// + +/** + INT8 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt8Mult ( + IN INT8 Multiplicand, + IN INT8 Multiplier, + OUT INT8 *Result + ); + +/** + CHAR8 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to CHAR8_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeChar8Mult ( + IN CHAR8 Multiplicand, + IN CHAR8 Multiplier, + OUT CHAR8 *Result + ); + +/** + INT16 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT16_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt16Mult ( + IN INT16 Multiplicand, + IN INT16 Multiplier, + OUT INT16 *Result + ); + +/** + INT32 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT32_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt32Mult ( + IN INT32 Multiplicand, + IN INT32 Multiplier, + OUT INT32 *Result + ); + +/** + INTN multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INTN_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeIntnMult ( + IN INTN Multiplicand, + IN INTN Multiplier, + OUT INTN *Result + ); + +/** + INT64 multiplication + + Performs the requested operation using the input parameters into a value + specified by Result type and stores the converted value into the caller + allocated output buffer specified by Result. The caller must pass in a + Result buffer that is at least as large as the Result type. + + If Result is NULL, RETURN_INVALID_PARAMETER is returned. + + If the requested operation results in an overflow or an underflow condition, + then Result is set to INT64_ERROR and RETURN_BUFFER_TOO_SMALL is returned. + + @param[in] Multiplicand A number that is to be multiplied by another + @param[in] Multiplier A number by which the multiplicand is to be multiplied + @param[out] Result Pointer to the result of multiplication + + @retval RETURN_SUCCESS Successful multiplication + @retval RETURN_BUFFER_TOO_SMALL Overflow + @retval RETURN_INVALID_PARAMETER Result is NULL +**/ +RETURN_STATUS +EFIAPI +SafeInt64Mult ( + IN INT64 Multiplicand, + IN INT64 Multiplier, + OUT INT64 *Result + ); + +#endif // __INT_SAFE_LIB_H__ diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SerialPortLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SerialPortLib.h new file mode 100644 index 0000000000..1cd57656f2 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SerialPortLib.h @@ -0,0 +1,174 @@ +/** @file + This library class provides common serial I/O port functions. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +Copyright (c) 2012 - 2014, ARM Ltd. All rights reserved. +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SERIAL_PORT_LIB__ +#define __SERIAL_PORT_LIB__ + +#include <Uefi/UefiBaseType.h> +#include <Protocol/SerialIo.h> + +/** + Initialize the serial device hardware. + + If no initialization is required, then return RETURN_SUCCESS. + If the serial device was successfully initialized, then return RETURN_SUCCESS. + If the serial device could not be initialized, then return RETURN_DEVICE_ERROR. + + @retval RETURN_SUCCESS The serial device was initialized. + @retval RETURN_DEVICE_ERROR The serial device could not be initialized. + +**/ +RETURN_STATUS +EFIAPI +SerialPortInitialize ( + VOID + ); + +/** + Write data from buffer to serial device. + + Writes NumberOfBytes data bytes from Buffer to the serial device. + The number of bytes actually written to the serial device is returned. + If the return value is less than NumberOfBytes, then the write operation failed. + If Buffer is NULL, then ASSERT(). + If NumberOfBytes is zero, then return 0. + + @param Buffer Pointer to the data buffer to be written. + @param NumberOfBytes Number of bytes to written to the serial device. + + @retval 0 NumberOfBytes is 0. + @retval >0 The number of bytes written to the serial device. + If this value is less than NumberOfBytes, then the write operation failed. + +**/ +UINTN +EFIAPI +SerialPortWrite ( + IN UINT8 *Buffer, + IN UINTN NumberOfBytes + ); + + +/** + Read data from serial device and save the datas in buffer. + + Reads NumberOfBytes data bytes from a serial device into the buffer + specified by Buffer. The number of bytes actually read is returned. + If the return value is less than NumberOfBytes, then the rest operation failed. + If Buffer is NULL, then ASSERT(). + If NumberOfBytes is zero, then return 0. + + @param Buffer Pointer to the data buffer to store the data read from the serial device. + @param NumberOfBytes Number of bytes which will be read. + + @retval 0 Read data failed, no data is to be read. + @retval >0 Actual number of bytes read from serial device. + +**/ +UINTN +EFIAPI +SerialPortRead ( + OUT UINT8 *Buffer, + IN UINTN NumberOfBytes + ); + +/** + Polls a serial device to see if there is any data waiting to be read. + + Polls a serial device to see if there is any data waiting to be read. + If there is data waiting to be read from the serial device, then TRUE is returned. + If there is no data waiting to be read from the serial device, then FALSE is returned. + + @retval TRUE Data is waiting to be read from the serial device. + @retval FALSE There is no data waiting to be read from the serial device. + +**/ +BOOLEAN +EFIAPI +SerialPortPoll ( + VOID + ); + +/** + Sets the control bits on a serial device. + + @param Control Sets the bits of Control that are settable. + + @retval RETURN_SUCCESS The new control bits were set on the serial device. + @retval RETURN_UNSUPPORTED The serial device does not support this operation. + @retval RETURN_DEVICE_ERROR The serial device is not functioning correctly. + +**/ +RETURN_STATUS +EFIAPI +SerialPortSetControl ( + IN UINT32 Control + ); + +/** + Retrieve the status of the control bits on a serial device. + + @param Control A pointer to return the current control signals from the serial device. + + @retval RETURN_SUCCESS The control bits were read from the serial device. + @retval RETURN_UNSUPPORTED The serial device does not support this operation. + @retval RETURN_DEVICE_ERROR The serial device is not functioning correctly. + +**/ +RETURN_STATUS +EFIAPI +SerialPortGetControl ( + OUT UINT32 *Control + ); + +/** + Sets the baud rate, receive FIFO depth, transmit/receice time out, parity, + data bits, and stop bits on a serial device. + + @param BaudRate The requested baud rate. A BaudRate value of 0 will use the + device's default interface speed. + On output, the value actually set. + @param ReveiveFifoDepth The requested depth of the FIFO on the receive side of the + serial interface. A ReceiveFifoDepth value of 0 will use + the device's default FIFO depth. + On output, the value actually set. + @param Timeout The requested time out for a single character in microseconds. + This timeout applies to both the transmit and receive side of the + interface. A Timeout value of 0 will use the device's default time + out value. + On output, the value actually set. + @param Parity The type of parity to use on this serial device. A Parity value of + DefaultParity will use the device's default parity value. + On output, the value actually set. + @param DataBits The number of data bits to use on the serial device. A DataBits + vaule of 0 will use the device's default data bit setting. + On output, the value actually set. + @param StopBits The number of stop bits to use on this serial device. A StopBits + value of DefaultStopBits will use the device's default number of + stop bits. + On output, the value actually set. + + @retval RETURN_SUCCESS The new attributes were set on the serial device. + @retval RETURN_UNSUPPORTED The serial device does not support this operation. + @retval RETURN_INVALID_PARAMETER One or more of the attributes has an unsupported value. + @retval RETURN_DEVICE_ERROR The serial device is not functioning correctly. + +**/ +RETURN_STATUS +EFIAPI +SerialPortSetAttributes ( + IN OUT UINT64 *BaudRate, + IN OUT UINT32 *ReceiveFifoDepth, + IN OUT UINT32 *Timeout, + IN OUT EFI_PARITY_TYPE *Parity, + IN OUT UINT8 *DataBits, + IN OUT EFI_STOP_BITS_TYPE *StopBits + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmbusLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmbusLib.h new file mode 100644 index 0000000000..ac747bc747 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmbusLib.h @@ -0,0 +1,491 @@ +/** @file + Provides library functions to access SMBUS devices. Libraries of this class + must be ported to a specific SMBUS controller. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SMBUS_LIB__ +#define __SMBUS_LIB__ + +/** + Macro that converts SMBUS slave address, SMBUS command, SMBUS data length, + and PEC to a value that can be passed to the SMBUS Library functions. + + Computes an address that is compatible with the SMBUS Library functions. + The unused upper bits of SlaveAddress, Command, and Length are stripped + prior to the generation of the address. + + @param SlaveAddress SMBUS Slave Address. Range 0..127. + @param Command SMBUS Command. Range 0..255. + @param Length SMBUS Data Length. Range 0..32. + @param Pec TRUE if Packet Error Checking is enabled. Otherwise FALSE. + +**/ +#define SMBUS_LIB_ADDRESS(SlaveAddress,Command,Length,Pec) \ + ( ((Pec) ? BIT22: 0) | \ + (((SlaveAddress) & 0x7f) << 1) | \ + (((Command) & 0xff) << 8) | \ + (((Length) & 0x3f) << 16) \ + ) + +/** + Macro that returns the SMBUS Slave Address value from an SmBusAddress Parameter value. + + @param SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS Command, SMBUS Data Length, and PEC +**/ +#define SMBUS_LIB_SLAVE_ADDRESS(SmBusAddress) (((SmBusAddress) >> 1) & 0x7f) + +/** + Macro that returns the SMBUS Command value from an SmBusAddress Parameter value. + + @param SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS Command, SMBUS Data Length, and PEC +**/ +#define SMBUS_LIB_COMMAND(SmBusAddress) (((SmBusAddress) >> 8) & 0xff) + +/** + Macro that returns the SMBUS Data Length value from an SmBusAddress Parameter value. + + @param SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS Command, SMBUS Data Length, and PEC +**/ +#define SMBUS_LIB_LENGTH(SmBusAddress) (((SmBusAddress) >> 16) & 0x3f) + +/** + Macro that returns the SMBUS PEC value from an SmBusAddress Parameter value. + + @param SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS Command, SMBUS Data Length, and PEC +**/ +#define SMBUS_LIB_PEC(SmBusAddress) ((BOOLEAN) (((SmBusAddress) & BIT22) != 0)) + +/** + Macro that returns the set of reserved bits from an SmBusAddress Parameter value. + + @param SmBusAddress Address that encodes the SMBUS Slave Address, SMBUS Command, SMBUS Data Length, and PEC +**/ +#define SMBUS_LIB_RESERVED(SmBusAddress) ((SmBusAddress) & ~(BIT23 - 2)) + +/** + Executes an SMBUS quick read command. + + Executes an SMBUS quick read command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address field of SmBusAddress is required. + If Status is not NULL, then the status of the executed command is returned in Status. + If PEC is set in SmBusAddress, then ASSERT(). + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_UNSUPPORTED The SMBus operation is not supported. + +**/ +VOID +EFIAPI +SmBusQuickRead ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS quick write command. + + Executes an SMBUS quick write command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address field of SmBusAddress is required. + If Status is not NULL, then the status of the executed command is returned in Status. + If PEC is set in SmBusAddress, then ASSERT(). + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_UNSUPPORTED The SMBus operation is not supported. + +**/ +VOID +EFIAPI +SmBusQuickWrite ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS receive byte command. + + Executes an SMBUS receive byte command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address field of SmBusAddress is required. + The byte received from the SMBUS is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The byte received from the SMBUS. + +**/ +UINT8 +EFIAPI +SmBusReceiveByte ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS send byte command. + + Executes an SMBUS send byte command on the SMBUS device specified by SmBusAddress. + The byte specified by Value is sent. + Only the SMBUS slave address field of SmBusAddress is required. Value is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Command in SmBusAddress is not zero, then ASSERT(). + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Value The 8-bit value to send. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The parameter of Value. + +**/ +UINT8 +EFIAPI +SmBusSendByte ( + IN UINTN SmBusAddress, + IN UINT8 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS read data byte command. + + Executes an SMBUS read data byte command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + The 8-bit value read from the SMBUS is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The byte read from the SMBUS. + +**/ +UINT8 +EFIAPI +SmBusReadDataByte ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS write data byte command. + + Executes an SMBUS write data byte command on the SMBUS device specified by SmBusAddress. + The 8-bit value specified by Value is written. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + Value is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Value The 8-bit value to write. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The parameter of Value. + +**/ +UINT8 +EFIAPI +SmBusWriteDataByte ( + IN UINTN SmBusAddress, + IN UINT8 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS read data word command. + + Executes an SMBUS read data word command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + The 16-bit value read from the SMBUS is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The byte read from the SMBUS. + +**/ +UINT16 +EFIAPI +SmBusReadDataWord ( + IN UINTN SmBusAddress, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS write data word command. + + Executes an SMBUS write data word command on the SMBUS device specified by SmBusAddress. + The 16-bit value specified by Value is written. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + Value is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Value The 16-bit value to write. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The parameter of Value. + +**/ +UINT16 +EFIAPI +SmBusWriteDataWord ( + IN UINTN SmBusAddress, + IN UINT16 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS process call command. + + Executes an SMBUS process call command on the SMBUS device specified by SmBusAddress. + The 16-bit value specified by Value is written. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + The 16-bit value returned by the process call command is returned. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is not zero, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Value The 16-bit value to write. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The 16-bit value returned by the process call command. + +**/ +UINT16 +EFIAPI +SmBusProcessCall ( + IN UINTN SmBusAddress, + IN UINT16 Value, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS read block command. + + Executes an SMBUS read block command on the SMBUS device specified by SmBusAddress. + Only the SMBUS slave address and SMBUS command fields of SmBusAddress are required. + Bytes are read from the SMBUS and stored in Buffer. + The number of bytes read is returned, and will never return a value larger than 32-bytes. + If Status is not NULL, then the status of the executed command is returned in Status. + It is the caller's responsibility to make sure Buffer is large enough for the total number of bytes read. + SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes. + If Length in SmBusAddress is not zero, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Buffer Pointer to the buffer to store the bytes read from the SMBUS. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_SUCCESS The SMBUS command was executed. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The number of bytes read. + +**/ +UINTN +EFIAPI +SmBusReadBlock ( + IN UINTN SmBusAddress, + OUT VOID *Buffer, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS write block command. + + Executes an SMBUS write block command on the SMBUS device specified by SmBusAddress. + The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required. + Bytes are written to the SMBUS from Buffer. + The number of bytes written is returned, and will never return a value larger than 32-bytes. + If Status is not NULL, then the status of the executed command is returned in Status. + If Length in SmBusAddress is zero or greater than 32, then ASSERT(). + If Buffer is NULL, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param Buffer Pointer to the buffer to store the bytes read from the SMBUS. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The number of bytes written. + +**/ +UINTN +EFIAPI +SmBusWriteBlock ( + IN UINTN SmBusAddress, + OUT VOID *Buffer, + OUT RETURN_STATUS *Status OPTIONAL + ); + +/** + Executes an SMBUS block process call command. + + Executes an SMBUS block process call command on the SMBUS device specified by SmBusAddress. + The SMBUS slave address, SMBUS command, and SMBUS length fields of SmBusAddress are required. + Bytes are written to the SMBUS from WriteBuffer. Bytes are then read from the SMBUS into ReadBuffer. + If Status is not NULL, then the status of the executed command is returned in Status. + It is the caller's responsibility to make sure ReadBuffer is large enough for the total number of bytes read. + SMBUS supports a maximum transfer size of 32 bytes, so Buffer does not need to be any larger than 32 bytes. + If Length in SmBusAddress is zero or greater than 32, then ASSERT(). + If WriteBuffer is NULL, then ASSERT(). + If ReadBuffer is NULL, then ASSERT(). + If any reserved bits of SmBusAddress are set, then ASSERT(). + + @param SmBusAddress Address that encodes the SMBUS Slave Address, + SMBUS Command, SMBUS Data Length, and PEC. + @param WriteBuffer Pointer to the buffer of bytes to write to the SMBUS. + @param ReadBuffer Pointer to the buffer of bytes to read from the SMBUS. + @param Status Return status for the executed command. + This is an optional parameter and may be NULL. + RETURN_TIMEOUT A timeout occurred while executing the SMBUS command. + RETURN_DEVICE_ERROR The request was not completed because a failure + reflected in the Host Status Register bit. Device errors are a result + of a transaction collision, illegal command field, unclaimed cycle + (host initiated), or bus errors (collisions). + RETURN_CRC_ERROR The checksum is not correct (PEC is incorrect) + RETURN_UNSUPPORTED The SMBus operation is not supported. + + @return The number of bytes written. + +**/ +UINTN +EFIAPI +SmBusBlockProcessCall ( + IN UINTN SmBusAddress, + IN VOID *WriteBuffer, + OUT VOID *ReadBuffer, + OUT RETURN_STATUS *Status OPTIONAL + ); + + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmiHandlerProfileLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmiHandlerProfileLib.h new file mode 100644 index 0000000000..3db65f9e35 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmiHandlerProfileLib.h @@ -0,0 +1,81 @@ +/** @file + Provides services to log the SMI handler registration. + + This API provides services for the SMM Child Dispatch Protocols provider, + to register SMI handler information to SmmCore. + + NOTE: + There is no need to update the consumers of SMST->SmiHandlerRegister() or + the consumers of SMM Child Dispatch Protocols. + The SmmCore (who produces SMST) should have ability to register such + information directly. + The SmmChildDispatcher (who produces SMM Child Dispatch Protocols) should + be responsible to call the services to register information to SMM Core. + +Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SMI_HANDLER_PROFILE_LIB_H__ +#define __SMI_HANDLER_PROFILE_LIB_H__ + +#include <PiSmm.h> + +/** + This function is called by SmmChildDispatcher module to report + a new SMI handler is registered, to SmmCore. + + @param HandlerGuid The GUID to identify the type of the handler. + For the SmmChildDispatch protocol, the HandlerGuid + must be the GUID of SmmChildDispatch protocol. + @param Handler The SMI handler. + @param CallerAddress The address of the module who registers the SMI handler. + @param Context The context of the SMI handler. + For the SmmChildDispatch protocol, the Context + must match the one defined for SmmChildDispatch protocol. + @param ContextSize The size of the context in bytes. + For the SmmChildDispatch protocol, the Context + must match the one defined for SmmChildDispatch protocol. + + @retval EFI_SUCCESS The information is recorded. + @retval EFI_UNSUPPORTED The feature is unsupported. + @retval EFI_OUT_OF_RESOURCES There is no enough resource to record the information. +**/ +EFI_STATUS +EFIAPI +SmiHandlerProfileRegisterHandler ( + IN EFI_GUID *HandlerGuid, + IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler, + IN PHYSICAL_ADDRESS CallerAddress, + IN VOID *Context, OPTIONAL + IN UINTN ContextSize OPTIONAL + ); + +/** + This function is called by SmmChildDispatcher module to report + an existing SMI handler is unregistered, to SmmCore. + + @param HandlerGuid The GUID to identify the type of the handler. + For the SmmChildDispatch protocol, the HandlerGuid + must be the GUID of SmmChildDispatch protocol. + @param Handler The SMI handler. + @param Context The context of the SMI handler. + If it is NOT NULL, it will be used to check what is registered. + @param ContextSize The size of the context in bytes. + If Context is NOT NULL, it will be used to check what is registered. + + @retval EFI_SUCCESS The original record is removed. + @retval EFI_UNSUPPORTED The feature is unsupported. + @retval EFI_NOT_FOUND There is no record for the HandlerGuid and handler. +**/ +EFI_STATUS +EFIAPI +SmiHandlerProfileUnregisterHandler ( + IN EFI_GUID *HandlerGuid, + IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler, + IN VOID *Context, OPTIONAL + IN UINTN ContextSize OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmIoLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmIoLib.h new file mode 100644 index 0000000000..49b45f8890 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmIoLib.h @@ -0,0 +1,36 @@ +/** @file + Provides services for SMM IO Operation. + + The SMM IO Library provides function for checking if IO resource is accessible inside of SMM. + + Copyright (c) 2017, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _SMM_IO_LIB_H_ +#define _SMM_IO_LIB_H_ + +/** + This function check if the MMIO resource is valid per processor architecture and + valid per platform design. + + @param BaseAddress The MMIO start address to be checked. + @param Length The MMIO length to be checked. + @param Owner A GUID representing the owner of the resource. + This GUID may be used by producer to correlate the device ownership of the resource. + NULL means no specific owner. + + @retval TRUE This MMIO resource is valid per processor architecture and valid per platform design. + @retval FALSE This MMIO resource is not valid per processor architecture or valid per platform design. +**/ +BOOLEAN +EFIAPI +SmmIsMmioValid ( + IN EFI_PHYSICAL_ADDRESS BaseAddress, + IN UINT64 Length, + IN EFI_GUID *Owner OPTIONAL + ); + +#endif + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmLib.h new file mode 100644 index 0000000000..7623ce2e1c --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmLib.h @@ -0,0 +1,83 @@ +/** @file + Library class name: SmmLib + + SMM Library Services that abstracts both S/W SMI generation and detection. + + Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SMM_LIB_H__ +#define __SMM_LIB_H__ + + +/** + Triggers an SMI at boot time. + + This function triggers a software SMM interrupt at boot time. + +**/ +VOID +EFIAPI +TriggerBootServiceSoftwareSmi ( + VOID + ); + + +/** + Triggers an SMI at run time. + + This function triggers a software SMM interrupt at run time. + +**/ +VOID +EFIAPI +TriggerRuntimeSoftwareSmi ( + VOID + ); + + +/** + Test if a boot time software SMI happened. + + This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and + it was triggered at boot time, it returns TRUE. Otherwise, it returns FALSE. + + @retval TRUE A software SMI triggered at boot time happened. + @retval FALSE No software SMI happened, or the software SMI was triggered at run time. + +**/ +BOOLEAN +EFIAPI +IsBootServiceSoftwareSmi ( + VOID + ); + + +/** + Test if a run time software SMI happened. + + This function tests if a software SMM interrupt happened. If a software SMM interrupt happened and + it was triggered at run time, it returns TRUE. Otherwise, it returns FALSE. + + @retval TRUE A software SMI triggered at run time happened. + @retval FALSE No software SMI happened or the software SMI was triggered at boot time. + +**/ +BOOLEAN +EFIAPI +IsRuntimeSoftwareSmi ( + VOID + ); + +/** + Clear APM SMI Status Bit; Set the EOS bit. + +**/ +VOID +EFIAPI +ClearSmi ( + VOID + ); +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmMemLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmMemLib.h new file mode 100644 index 0000000000..feb81d11c9 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmMemLib.h @@ -0,0 +1,132 @@ +/** @file + Provides services for SMM Memory Operation. + + The SMM Mem Library provides function for checking if buffer is outside SMRAM and valid. + It also provides functions for copy data from SMRAM to non-SMRAM, from non-SMRAM to SMRAM, + from non-SMRAM to non-SMRAM, or set data in non-SMRAM. + + Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _SMM_MEM_LIB_H_ +#define _SMM_MEM_LIB_H_ + +/** + This function check if the buffer is valid per processor architecture and not overlap with SMRAM. + + @param Buffer The buffer start address to be checked. + @param Length The buffer length to be checked. + + @retval TRUE This buffer is valid per processor architecture and not overlap with SMRAM. + @retval FALSE This buffer is not valid per processor architecture or overlap with SMRAM. +**/ +BOOLEAN +EFIAPI +SmmIsBufferOutsideSmmValid ( + IN EFI_PHYSICAL_ADDRESS Buffer, + IN UINT64 Length + ); + +/** + Copies a source buffer (non-SMRAM) to a destination buffer (SMRAM). + + This function copies a source buffer (non-SMRAM) to a destination buffer (SMRAM). + It checks if source buffer is valid per processor architecture and not overlap with SMRAM. + If the check passes, it copies memory and returns EFI_SUCCESS. + If the check fails, it return EFI_SECURITY_VIOLATION. + The implementation must be reentrant. + + @param DestinationBuffer The pointer to the destination buffer of the memory copy. + @param SourceBuffer The pointer to the source buffer of the memory copy. + @param Length The number of bytes to copy from SourceBuffer to DestinationBuffer. + + @retval EFI_SECURITY_VIOLATION The SourceBuffer is invalid per processor architecture or overlap with SMRAM. + @retval EFI_SUCCESS Memory is copied. + +**/ +EFI_STATUS +EFIAPI +SmmCopyMemToSmram ( + OUT VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Copies a source buffer (SMRAM) to a destination buffer (NON-SMRAM). + + This function copies a source buffer (non-SMRAM) to a destination buffer (SMRAM). + It checks if destination buffer is valid per processor architecture and not overlap with SMRAM. + If the check passes, it copies memory and returns EFI_SUCCESS. + If the check fails, it returns EFI_SECURITY_VIOLATION. + The implementation must be reentrant. + + @param DestinationBuffer The pointer to the destination buffer of the memory copy. + @param SourceBuffer The pointer to the source buffer of the memory copy. + @param Length The number of bytes to copy from SourceBuffer to DestinationBuffer. + + @retval EFI_SECURITY_VIOLATION The DestinationBuffer is invalid per processor architecture or overlap with SMRAM. + @retval EFI_SUCCESS Memory is copied. + +**/ +EFI_STATUS +EFIAPI +SmmCopyMemFromSmram ( + OUT VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Copies a source buffer (NON-SMRAM) to a destination buffer (NON-SMRAM). + + This function copies a source buffer (non-SMRAM) to a destination buffer (SMRAM). + It checks if source buffer and destination buffer are valid per processor architecture and not overlap with SMRAM. + If the check passes, it copies memory and returns EFI_SUCCESS. + If the check fails, it returns EFI_SECURITY_VIOLATION. + The implementation must be reentrant, and it must handle the case where source buffer overlaps destination buffer. + + @param DestinationBuffer The pointer to the destination buffer of the memory copy. + @param SourceBuffer The pointer to the source buffer of the memory copy. + @param Length The number of bytes to copy from SourceBuffer to DestinationBuffer. + + @retval EFI_SECURITY_VIOLATION The DestinationBuffer is invalid per processor architecture or overlap with SMRAM. + @retval EFI_SECURITY_VIOLATION The SourceBuffer is invalid per processor architecture or overlap with SMRAM. + @retval EFI_SUCCESS Memory is copied. + +**/ +EFI_STATUS +EFIAPI +SmmCopyMem ( + OUT VOID *DestinationBuffer, + IN CONST VOID *SourceBuffer, + IN UINTN Length + ); + +/** + Fills a target buffer (NON-SMRAM) with a byte value. + + This function fills a target buffer (non-SMRAM) with a byte value. + It checks if target buffer is valid per processor architecture and not overlap with SMRAM. + If the check passes, it fills memory and returns EFI_SUCCESS. + If the check fails, it returns EFI_SECURITY_VIOLATION. + + @param Buffer The memory to set. + @param Length The number of bytes to set. + @param Value The value with which to fill Length bytes of Buffer. + + @retval EFI_SECURITY_VIOLATION The Buffer is invalid per processor architecture or overlap with SMRAM. + @retval EFI_SUCCESS Memory is set. + +**/ +EFI_STATUS +EFIAPI +SmmSetMem ( + OUT VOID *Buffer, + IN UINTN Length, + IN UINT8 Value + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmPeriodicSmiLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmPeriodicSmiLib.h new file mode 100644 index 0000000000..c9682be2c8 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmPeriodicSmiLib.h @@ -0,0 +1,178 @@ +/** @file + Provides services to enable and disable periodic SMI handlers. + +Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __PERIODIC_SMI_LIB_H__ +#define __PERIODIC_SMI_LIB_H__ + +#define PERIODIC_SMI_LIBRARY_ANY_CPU 0xffffffff + +/** + This function returns a pointer to a table of supported periodic + SMI tick periods in 100 ns units sorted from largest to smallest. + The table contains a array of UINT64 values terminated by a tick + period value of 0. The returned table must be treated as read-only + data and must not be freed. + + @return A pointer to a table of UINT64 tick period values in + 100ns units sorted from largest to smallest terminated + by a tick period of 0. + +**/ +UINT64 * +EFIAPI +PeriodicSmiSupportedTickPeriod ( + VOID + ); + +/** + This function returns the time in 100ns units since the periodic SMI + handler function was called. If the periodic SMI handler was resumed + through PeriodicSmiYield(), then the time returned is the time in + 100ns units since PeriodicSmiYield() returned. + + @return The actual time in 100ns units that the periodic SMI handler + has been executing. If this function is not called from within + an enabled periodic SMI handler, then 0 is returned. + +**/ +UINT64 +EFIAPI +PeriodicSmiExecutionTime ( + VOID + ); + +/** + This function returns control back to the SMM Foundation. When the next + periodic SMI for the currently executing handler is triggered, the periodic + SMI handler will restarted from its registered DispatchFunction entry point. + If this function is not called from within an enabled periodic SMI handler, + then control is returned to the calling function. + +**/ +VOID +EFIAPI +PeriodicSmiExit ( + VOID + ); + +/** + This function yields control back to the SMM Foundation. When the next + periodic SMI for the currently executing handler is triggered, the periodic + SMI handler will be resumed and this function will return. Use of this + function requires a separate stack for the periodic SMI handler. A non zero + stack size must be specified in PeriodicSmiEnable() for this function to be + used. + + If the stack size passed into PeriodicSmiEnable() was zero, the 0 is returned. + + If this function is not called from within an enabled periodic SMI handler, + then 0 is returned. + + @return The actual time in 100ns units elapsed since this function was + called. A value of 0 indicates an unknown amount of time. + +**/ +UINT64 +EFIAPI +PeriodicSmiYield ( + VOID + ); + +/** + This function is a prototype for a periodic SMI handler function + that may be enabled with PeriodicSmiEnable() and disabled with + PeriodicSmiDisable(). + + @param[in] Context Content registered with PeriodicSmiEnable(). + @param[in] ElapsedTime The actual time in 100ns units elapsed since + this function was called. A value of 0 indicates + an unknown amount of time. + +**/ +typedef +VOID +(EFIAPI *PERIODIC_SMI_LIBRARY_HANDLER) ( + IN CONST VOID *Context OPTIONAL, + IN UINT64 ElapsedTime + ); + +/** + This function enables a periodic SMI handler. + + @param[in, out] DispatchHandle A pointer to the handle associated with the + enabled periodic SMI handler. This is an + optional parameter that may be NULL. If it is + NULL, then the handle will not be returned, + which means that the periodic SMI handler can + never be disabled. + @param[in] DispatchFunction A pointer to a periodic SMI handler function. + @param[in] Context Optional content to pass into DispatchFunction. + @param[in] TickPeriod The requested tick period in 100ns units that + control should be given to the periodic SMI + handler. Must be one of the supported values + returned by PeriodicSmiSupportedPickPeriod(). + @param[in] Cpu Specifies the CPU that is required to execute + the periodic SMI handler. If Cpu is + PERIODIC_SMI_LIBRARY_ANY_CPU, then the periodic + SMI handler will always be executed on the SMST + CurrentlyExecutingCpu, which may vary across + periodic SMIs. If Cpu is between 0 and the SMST + NumberOfCpus, then the periodic SMI will always + be executed on the requested CPU. + @param[in] StackSize The size, in bytes, of the stack to allocate for + use by the periodic SMI handler. If 0, then the + default stack will be used. + + @retval EFI_INVALID_PARAMETER DispatchFunction is NULL. + @retval EFI_UNSUPPORTED TickPeriod is not a supported tick period. The + supported tick periods can be retrieved using + PeriodicSmiSupportedTickPeriod(). + @retval EFI_INVALID_PARAMETER Cpu is not PERIODIC_SMI_LIBRARY_ANY_CPU or in + the range 0 to SMST NumberOfCpus. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to enable the + periodic SMI handler. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate the + stack specified by StackSize. + @retval EFI_SUCCESS The periodic SMI handler was enabled. + +**/ +EFI_STATUS +EFIAPI +PeriodicSmiEnable ( + IN OUT EFI_HANDLE *DispatchHandle, OPTIONAL + IN PERIODIC_SMI_LIBRARY_HANDLER DispatchFunction, + IN CONST VOID *Context, OPTIONAL + IN UINT64 TickPeriod, + IN UINTN Cpu, + IN UINTN StackSize + ); + +/** + This function disables a periodic SMI handler that has been previously + enabled with PeriodicSmiEnable(). + + @param[in] DispatchHandle A handle associated with a previously enabled periodic + SMI handler. This is an optional parameter that may + be NULL. If it is NULL, then the active periodic SMI + handlers is disabled. + + @retval FALSE DispatchHandle is NULL and there is no active periodic SMI handler. + @retval FALSE The periodic SMI handler specified by DispatchHandle has + not been enabled with PeriodicSmiEnable(). + @retval TRUE The periodic SMI handler specified by DispatchHandle has + been disabled. If DispatchHandle is NULL, then the active + periodic SMI handler has been disabled. + +**/ +BOOLEAN +EFIAPI +PeriodicSmiDisable ( + IN EFI_HANDLE DispatchHandle OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmServicesTableLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmServicesTableLib.h new file mode 100644 index 0000000000..110d70b89c --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SmmServicesTableLib.h @@ -0,0 +1,37 @@ +/** @file + Provides a service to retrieve a pointer to the SMM Services Table. + Only available to SMM module types. + +Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SMM_SERVICES_TABLE_LIB_H__ +#define __SMM_SERVICES_TABLE_LIB_H__ + +#include <PiSmm.h> + +/// +/// Cache pointer to the SMM Services Table +/// +extern EFI_SMM_SYSTEM_TABLE2 *gSmst; + +/** + This function allows the caller to determine if the driver is executing in + System Management Mode(SMM). + + This function returns TRUE if the driver is executing in SMM and FALSE if the + driver is not executing in SMM. + + @retval TRUE The driver is executing in System Management Mode (SMM). + @retval FALSE The driver is not executing in System Management Mode (SMM). + +**/ +BOOLEAN +EFIAPI +InSmm ( + VOID + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h new file mode 100644 index 0000000000..9de5f36283 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/StandaloneMmDriverEntryPoint.h @@ -0,0 +1,125 @@ +/** @file + Module entry point library for Standalone MM Drivers. + +Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +Copyright (c) 2016 - 2018, ARM Limited. All rights reserved.<BR> +Copyright (c) 2018, Linaro, Limited. All rights reserved.<BR> + +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MODULE_ENTRY_POINT_H__ +#define __MODULE_ENTRY_POINT_H__ + +/// +/// Declare the PI Specification Revision that this driver requires to execute +/// correctly. +/// +extern CONST UINT32 _gMmRevision; + +/** + The entry point of PE/COFF Image for a Standalone MM Driver. + + This function is the entry point for a Standalone MM Driver. + This function must call ProcessLibraryConstructorList() and + ProcessModuleEntryPointList(). + If the return status from ProcessModuleEntryPointList() + is an error status, then ProcessLibraryDestructorList() must be called. + The return value from ProcessModuleEntryPointList() is returned. + If _gMmRevision is not zero and MmSystemTable->Hdr.Revision is + less than _gMmRevision, then return EFI_INCOMPATIBLE_VERSION. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param MmSystemTable A pointer to the MM System Table. + + @retval EFI_SUCCESS The Standalone MM Driver exited normally. + @retval EFI_INCOMPATIBLE_VERSION _gMmRevision is greater than + MmSystemTable->Hdr.Revision. + @retval Other Return value from + ProcessModuleEntryPointList(). + +**/ +EFI_STATUS +EFIAPI +_ModuleEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + + +/** + Auto generated function that calls the library constructors for all of the + module's dependent libraries. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of library constructors for the set of library + instances that a module depends on. This includes library instances that a + module depends on directly and library instances that a module depends on + indirectly through other libraries. This function is auto generated by build + tools and those build tools are responsible for collecting the set of library + instances, determine which ones have constructors, and calling the library + constructors in the proper order based upon each of the library instances own + dependencies. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param MmSystemTable A pointer to the MM System Table. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + + +/** + Auto generated function that calls the library descructors for all of the + module's dependent libraries. + + This function may be called by _ModuleEntryPoint(). + This function calls the set of library destructors for the set of library + instances that a module depends on. This includes library instances that a + module depends on directly and library instances that a module depends on + indirectly through other libraries. + This function is auto generated by build tools and those build tools are + responsible for collecting the set of library instances, determine which ones + have destructors, and calling the library destructors in the proper order + based upon each of the library instances own dependencies. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param MmSystemTable A pointer to the MM System Table. + +**/ +VOID +EFIAPI +ProcessLibraryDestructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + + +/** + Auto generated function that calls a set of module entry points. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of module entry points. + This function is auto generated by build tools and those build tools are + responsible for collecting the module entry points and calling them in a + specified order. + + @param ImageHandle The image handle of the Standalone MM Driver. + @param MmSystemTable A pointer to the MM System Table. + + @retval EFI_SUCCESS The Standalone MM Driver executed normally. + @retval !EFI_SUCCESS The Standalone MM Driver failed to execute normally. +**/ +EFI_STATUS +EFIAPI +ProcessModuleEntryPointList ( + IN EFI_HANDLE ImageHandle, + IN EFI_MM_SYSTEM_TABLE *MmSystemTable + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SynchronizationLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SynchronizationLib.h new file mode 100644 index 0000000000..fc01b10cd4 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/SynchronizationLib.h @@ -0,0 +1,287 @@ +/** @file + Provides synchronization functions. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SYNCHRONIZATION_LIB__ +#define __SYNCHRONIZATION_LIB__ + +/// +/// Definitions for SPIN_LOCK +/// +typedef volatile UINTN SPIN_LOCK; + + +/** + Retrieves the architecture-specific spin lock alignment requirements for + optimal spin lock performance. + + This function retrieves the spin lock alignment requirements for optimal + performance on a given CPU architecture. The spin lock alignment is byte alignment. + It must be a power of two and is returned by this function. If there are no alignment + requirements, then 1 must be returned. The spin lock synchronization + functions must function correctly if the spin lock size and alignment values + returned by this function are not used at all. These values are hints to the + consumers of the spin lock synchronization functions to obtain optimal spin + lock performance. + + @return The architecture-specific spin lock alignment. + +**/ +UINTN +EFIAPI +GetSpinLockProperties ( + VOID + ); + + +/** + Initializes a spin lock to the released state and returns the spin lock. + + This function initializes the spin lock specified by SpinLock to the released + state, and returns SpinLock. Optimal performance can be achieved by calling + GetSpinLockProperties() to determine the size and alignment requirements for + SpinLock. + + If SpinLock is NULL, then ASSERT(). + + @param SpinLock A pointer to the spin lock to initialize to the released + state. + + @return SpinLock in release state. + +**/ +SPIN_LOCK * +EFIAPI +InitializeSpinLock ( + OUT SPIN_LOCK *SpinLock + ); + + +/** + Waits until a spin lock can be placed in the acquired state. + + This function checks the state of the spin lock specified by SpinLock. If + SpinLock is in the released state, then this function places SpinLock in the + acquired state and returns SpinLock. Otherwise, this function waits + indefinitely for the spin lock to be released, and then places it in the + acquired state and returns SpinLock. All state transitions of SpinLock must + be performed using MP safe mechanisms. + + If SpinLock is NULL, then ASSERT(). + If SpinLock was not initialized with InitializeSpinLock(), then ASSERT(). + If PcdSpinLockTimeout is not zero, and SpinLock is can not be acquired in + PcdSpinLockTimeout microseconds, then ASSERT(). + + @param SpinLock A pointer to the spin lock to place in the acquired state. + + @return SpinLock acquired lock. + +**/ +SPIN_LOCK * +EFIAPI +AcquireSpinLock ( + IN OUT SPIN_LOCK *SpinLock + ); + + +/** + Attempts to place a spin lock in the acquired state. + + This function checks the state of the spin lock specified by SpinLock. If + SpinLock is in the released state, then this function places SpinLock in the + acquired state and returns TRUE. Otherwise, FALSE is returned. All state + transitions of SpinLock must be performed using MP safe mechanisms. + + If SpinLock is NULL, then ASSERT(). + If SpinLock was not initialized with InitializeSpinLock(), then ASSERT(). + + @param SpinLock A pointer to the spin lock to place in the acquired state. + + @retval TRUE SpinLock was placed in the acquired state. + @retval FALSE SpinLock could not be acquired. + +**/ +BOOLEAN +EFIAPI +AcquireSpinLockOrFail ( + IN OUT SPIN_LOCK *SpinLock + ); + + +/** + Releases a spin lock. + + This function places the spin lock specified by SpinLock in the release state + and returns SpinLock. + + If SpinLock is NULL, then ASSERT(). + If SpinLock was not initialized with InitializeSpinLock(), then ASSERT(). + + @param SpinLock A pointer to the spin lock to release. + + @return SpinLock released lock. + +**/ +SPIN_LOCK * +EFIAPI +ReleaseSpinLock ( + IN OUT SPIN_LOCK *SpinLock + ); + + +/** + Performs an atomic increment of a 32-bit unsigned integer. + + Performs an atomic increment of the 32-bit unsigned integer specified by + Value and returns the incremented value. The increment operation must be + performed using MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 32-bit value to increment. + + @return The incremented value. + +**/ +UINT32 +EFIAPI +InterlockedIncrement ( + IN volatile UINT32 *Value + ); + + +/** + Performs an atomic decrement of a 32-bit unsigned integer. + + Performs an atomic decrement of the 32-bit unsigned integer specified by + Value and returns the decremented value. The decrement operation must be + performed using MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 32-bit value to decrement. + + @return The decremented value. + +**/ +UINT32 +EFIAPI +InterlockedDecrement ( + IN volatile UINT32 *Value + ); + + +/** + Performs an atomic compare exchange operation on a 16-bit unsigned integer. + + Performs an atomic compare exchange operation on the 16-bit unsigned integer + specified by Value. If Value is equal to CompareValue, then Value is set to + ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue, + then Value is returned. The compare exchange operation must be performed using + MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 16-bit value for the compare exchange + operation. + @param CompareValue 16-bit value used in compare operation. + @param ExchangeValue 16-bit value used in exchange operation. + + @return The original *Value before exchange. +**/ +UINT16 +EFIAPI +InterlockedCompareExchange16 ( + IN OUT volatile UINT16 *Value, + IN UINT16 CompareValue, + IN UINT16 ExchangeValue + ); + +/** + Performs an atomic compare exchange operation on a 32-bit unsigned integer. + + Performs an atomic compare exchange operation on the 32-bit unsigned integer + specified by Value. If Value is equal to CompareValue, then Value is set to + ExchangeValue and CompareValue is returned. If Value is not equal to CompareValue, + then Value is returned. The compare exchange operation must be performed using + MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 32-bit value for the compare exchange + operation. + @param CompareValue 32-bit value used in compare operation. + @param ExchangeValue 32-bit value used in exchange operation. + + @return The original *Value before exchange. + +**/ +UINT32 +EFIAPI +InterlockedCompareExchange32 ( + IN OUT volatile UINT32 *Value, + IN UINT32 CompareValue, + IN UINT32 ExchangeValue + ); + + +/** + Performs an atomic compare exchange operation on a 64-bit unsigned integer. + + Performs an atomic compare exchange operation on the 64-bit unsigned integer specified + by Value. If Value is equal to CompareValue, then Value is set to ExchangeValue and + CompareValue is returned. If Value is not equal to CompareValue, then Value is returned. + The compare exchange operation must be performed using MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the 64-bit value for the compare exchange + operation. + @param CompareValue 64-bit value used in compare operation. + @param ExchangeValue 64-bit value used in exchange operation. + + @return The original *Value before exchange. + +**/ +UINT64 +EFIAPI +InterlockedCompareExchange64 ( + IN OUT volatile UINT64 *Value, + IN UINT64 CompareValue, + IN UINT64 ExchangeValue + ); + + +/** + Performs an atomic compare exchange operation on a pointer value. + + Performs an atomic compare exchange operation on the pointer value specified + by Value. If Value is equal to CompareValue, then Value is set to + ExchangeValue and CompareValue is returned. If Value is not equal to + CompareValue, then Value is returned. The compare exchange operation must be + performed using MP safe mechanisms. + + If Value is NULL, then ASSERT(). + + @param Value A pointer to the pointer value for the compare exchange + operation. + @param CompareValue Pointer value used in compare operation. + @param ExchangeValue Pointer value used in exchange operation. + + @return The original *Value before exchange. +**/ +VOID * +EFIAPI +InterlockedCompareExchangePointer ( + IN OUT VOID * volatile *Value, + IN VOID *CompareValue, + IN VOID *ExchangeValue + ); + +#endif + + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/TimerLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/TimerLib.h new file mode 100644 index 0000000000..a4c2d8818b --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/TimerLib.h @@ -0,0 +1,108 @@ +/** @file + Provides calibrated delay and performance counter services. + +Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __TIMER_LIB__ +#define __TIMER_LIB__ + +/** + Stalls the CPU for at least the given number of microseconds. + + Stalls the CPU for the number of microseconds specified by MicroSeconds. + + @param MicroSeconds The minimum number of microseconds to delay. + + @return The value of MicroSeconds inputted. + +**/ +UINTN +EFIAPI +MicroSecondDelay ( + IN UINTN MicroSeconds + ); + +/** + Stalls the CPU for at least the given number of nanoseconds. + + Stalls the CPU for the number of nanoseconds specified by NanoSeconds. + + @param NanoSeconds The minimum number of nanoseconds to delay. + + @return The value of NanoSeconds inputted. + +**/ +UINTN +EFIAPI +NanoSecondDelay ( + IN UINTN NanoSeconds + ); + +/** + Retrieves the current value of a 64-bit free running performance counter. + + The counter can either count up by 1 or count down by 1. If the physical + performance counter counts by a larger increment, then the counter values + must be translated. The properties of the counter can be retrieved from + GetPerformanceCounterProperties(). + + @return The current value of the free running performance counter. + +**/ +UINT64 +EFIAPI +GetPerformanceCounter ( + VOID + ); + +/** + Retrieves the 64-bit frequency in Hz and the range of performance counter + values. + + If StartValue is not NULL, then the value that the performance counter starts + with immediately after is it rolls over is returned in StartValue. If + EndValue is not NULL, then the value that the performance counter end with + immediately before it rolls over is returned in EndValue. The 64-bit + frequency of the performance counter in Hz is always returned. If StartValue + is less than EndValue, then the performance counter counts up. If StartValue + is greater than EndValue, then the performance counter counts down. For + example, a 64-bit free running counter that counts up would have a StartValue + of 0 and an EndValue of 0xFFFFFFFFFFFFFFFF. A 24-bit free running counter + that counts down would have a StartValue of 0xFFFFFF and an EndValue of 0. + + @param StartValue The value the performance counter starts with when it + rolls over. + @param EndValue The value that the performance counter ends with before + it rolls over. + + @return The frequency in Hz. + +**/ +UINT64 +EFIAPI +GetPerformanceCounterProperties ( + OUT UINT64 *StartValue, OPTIONAL + OUT UINT64 *EndValue OPTIONAL + ); + +/** + Converts elapsed ticks of performance counter to time in nanoseconds. + + This function converts the elapsed ticks of running performance counter to + time value in unit of nanoseconds. + + @param Ticks The number of elapsed ticks of running performance counter. + + @return The elapsed time in nanoseconds. + +**/ +UINT64 +EFIAPI +GetTimeInNanoSecond ( + IN UINT64 Ticks + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiApplicationEntryPoint.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiApplicationEntryPoint.h new file mode 100644 index 0000000000..b5c00c1457 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiApplicationEntryPoint.h @@ -0,0 +1,148 @@ +/** @file + Module entry point library for UEFI Applications. + +Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __UEFI_APPLICATION_ENTRY_POINT_H__ +#define __UEFI_APPLICATION_ENTRY_POINT_H__ + +/// +/// Declare the EFI/UEFI Specification Revision to which this driver is implemented +/// +extern CONST UINT32 _gUefiDriverRevision; + + +/** + Entry point to UEFI Application. + + This function is the entry point for a UEFI Application. This function must call + ProcessLibraryConstructorList(), ProcessModuleEntryPointList(), and ProcessLibraryDestructorList(). + The return value from ProcessModuleEntryPointList() is returned. + If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is less than _gUefiDriverRevison, + then return EFI_INCOMPATIBLE_VERSION. + + @param ImageHandle The image handle of the UEFI Application. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The UEFI Application exited normally. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than SystemTable->Hdr.Revision. + @retval Other Return value from ProcessModuleEntryPointList(). + +**/ +EFI_STATUS +EFIAPI +_ModuleEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Required by the EBC compiler and identical in functionality to _ModuleEntryPoint(). + + @param ImageHandle The image handle of the UEFI Application. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The UEFI Application exited normally. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than SystemTable->Hdr.Revision. + @retval Other Return value from ProcessModuleEntryPointList(). + +**/ +EFI_STATUS +EFIAPI +EfiMain ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Invokes the library destructors for all dependent libraries and terminates + the UEFI Application. + + This function calls ProcessLibraryDestructorList() and the EFI Boot Service Exit() + with a status specified by Status. + + @param Status Status returned by the application that is exiting. + +**/ +VOID +EFIAPI +Exit ( + IN EFI_STATUS Status + ); + + +/** + Autogenerated function that calls the library constructors for all of the module's + dependent libraries. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of library constructors for the set of library instances + that a module depends on. This includes library instances that a module depends on + directly and library instances that a module depends on indirectly through other libraries. + This function is autogenerated by build tools and those build tools are responsible for + collecting the set of library instances, determine which ones have constructors, and + calling the library constructors in the proper order based upon each of the library + instances own dependencies. + + @param ImageHandle The image handle of the UEFI Application. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Autogenerated function that calls the library descructors for all of the module's + dependent libraries. + + This function may be called by _ModuleEntryPoint()or Exit(). + This function calls the set of library destructors for the set of library instances + that a module depends on. This includes library instances that a module depends on + directly and library instances that a module depends on indirectly through other libraries. + This function is autogenerated by build tools and those build tools are responsible + for collecting the set of library instances, determine which ones have destructors, + and calling the library destructors in the proper order based upon each of the library + instances own dependencies. + + @param ImageHandle The image handle of the UEFI Application. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryDestructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + +/** + This function calls the set of module entry points. It must be called by _ModuleEntryPoint(). + + This function is autogenerated by build tools and those build tools are + responsible for collecting the module entry points and calling them in a specified order. + + @param ImageHandle The image handle of the UEFI Application. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The UEFI Application executed normally. + @retval !EFI_SUCCESS The UEFI Application failed to execute normally. + +**/ +EFI_STATUS +EFIAPI +ProcessModuleEntryPointList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiBootServicesTableLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiBootServicesTableLib.h new file mode 100644 index 0000000000..499071bc04 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiBootServicesTableLib.h @@ -0,0 +1,28 @@ +/** @file + Provides a service to retrieve a pointer to the EFI Boot Services Table. + Only available to DXE and UEFI module types. + +Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __UEFI_BOOT_SERVICES_TABLE_LIB_H__ +#define __UEFI_BOOT_SERVICES_TABLE_LIB_H__ + +/// +/// Cache the Image Handle +/// +extern EFI_HANDLE gImageHandle; + +/// +/// Cache pointer to the EFI System Table +/// +extern EFI_SYSTEM_TABLE *gST; + +/// +/// Cache pointer to the EFI Boot Services Table +/// +extern EFI_BOOT_SERVICES *gBS; + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiDecompressLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiDecompressLib.h new file mode 100644 index 0000000000..510e80aa9c --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiDecompressLib.h @@ -0,0 +1,102 @@ +/** @file + Provides services to decompress a buffer using the UEFI Decompress algorithm. + + The UEFI Decompress Library enables the decompression of objects that + were compressed using the UEFI compression scheme. The UEFI Decompress + Library is independent of environment and requires the caller to allocate + all required memory buffers. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __UEFI_DECPOMPRESS_LIB_H__ +#define __UEFI_DECPOMPRESS_LIB_H__ + +/** + Given a compressed source buffer, this function retrieves the size of + the uncompressed buffer and the size of the scratch buffer required + to decompress the compressed source buffer. + + Retrieves the size of the uncompressed buffer and the temporary scratch buffer + required to decompress the buffer specified by Source and SourceSize. + If the size of the uncompressed buffer or the size of the scratch buffer cannot + be determined from the compressed data specified by Source and SourceData, + then RETURN_INVALID_PARAMETER is returned. Otherwise, the size of the uncompressed + buffer is returned in DestinationSize, the size of the scratch buffer is returned + in ScratchSize, and RETURN_SUCCESS is returned. + This function does not have scratch buffer available to perform a thorough + checking of the validity of the source data. It just retrieves the "Original Size" + field from the beginning bytes of the source data and output it as DestinationSize. + And ScratchSize is specific to the decompression implementation. + + If Source is NULL, then ASSERT(). + If DestinationSize is NULL, then ASSERT(). + If ScratchSize is NULL, then ASSERT(). + + @param Source The source buffer containing the compressed data. + @param SourceSize The size, in bytes, of the source buffer. + @param DestinationSize A pointer to the size, in bytes, of the uncompressed buffer + that will be generated when the compressed buffer specified + by Source and SourceSize is decompressed. + @param ScratchSize A pointer to the size, in bytes, of the scratch buffer that + is required to decompress the compressed buffer specified + by Source and SourceSize. + + @retval RETURN_SUCCESS The size of the uncompressed data was returned + in DestinationSize and the size of the scratch + buffer was returned in ScratchSize. + @retval RETURN_INVALID_PARAMETER + The size of the uncompressed data or the size of + the scratch buffer cannot be determined from + the compressed data specified by Source + and SourceSize. +**/ +RETURN_STATUS +EFIAPI +UefiDecompressGetInfo ( + IN CONST VOID *Source, + IN UINT32 SourceSize, + OUT UINT32 *DestinationSize, + OUT UINT32 *ScratchSize + ); + +/** + Decompresses a compressed source buffer. + + Extracts decompressed data to its original form. + This function is designed so that the decompression algorithm can be implemented + without using any memory services. As a result, this function is not allowed to + call any memory allocation services in its implementation. It is the caller's + responsibility to allocate and free the Destination and Scratch buffers. + If the compressed source data specified by Source is successfully decompressed + into Destination, then RETURN_SUCCESS is returned. If the compressed source data + specified by Source is not in a valid compressed data format, + then RETURN_INVALID_PARAMETER is returned. + + If Source is NULL, then ASSERT(). + If Destination is NULL, then ASSERT(). + If the required scratch buffer size > 0 and Scratch is NULL, then ASSERT(). + + @param Source The source buffer containing the compressed data. + @param Destination The destination buffer to store the decompressed data + @param Scratch A temporary scratch buffer that is used to perform the decompression. + This is an optional parameter that may be NULL if the + required scratch buffer size is 0. + + @retval RETURN_SUCCESS Decompression completed successfully, and + the uncompressed buffer is returned in Destination. + @retval RETURN_INVALID_PARAMETER + The source buffer specified by Source is corrupted + (not in a valid compressed format). +**/ +RETURN_STATUS +EFIAPI +UefiDecompress ( + IN CONST VOID *Source, + IN OUT VOID *Destination, + IN OUT VOID *Scratch OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiDriverEntryPoint.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiDriverEntryPoint.h new file mode 100644 index 0000000000..9eb0adf35f --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiDriverEntryPoint.h @@ -0,0 +1,189 @@ +/** @file + Module entry point library for UEFI drivers, DXE Drivers, DXE Runtime Drivers, + and DXE SMM Drivers. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __MODULE_ENTRY_POINT_H__ +#define __MODULE_ENTRY_POINT_H__ + +/// +///Declare the PI Specification Revision that this driver requires to execute correctly. +/// +extern CONST UINT32 _gDxeRevision; + +/// +/// Declare the EFI/UEFI Specification Revision to which this driver is implemented +/// +extern CONST UINT32 _gUefiDriverRevision; + +/// +/// Declare the number of unload handler in the image. +/// +extern CONST UINT8 _gDriverUnloadImageCount; + + +/** + The entry point of PE/COFF Image for a DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + + This function is the entry point for a DXE Driver, DXE Runtime Driver, DXE SMM Driver, + or UEFI Driver. This function must call ProcessLibraryConstructorList() and + ProcessModuleEntryPointList(). If the return status from ProcessModuleEntryPointList() + is an error status, then ProcessLibraryDestructorList() must be called. The return value + from ProcessModuleEntryPointList() is returned. If _gDriverUnloadImageCount is greater + than zero, then an unload handler must be registered for this image and the unload handler + must invoke ProcessModuleUnloadList(). + If _gUefiDriverRevision is not zero and SystemTable->Hdr.Revision is less than _gUefiDriverRevison, + then return EFI_INCOMPATIBLE_VERSION. + + + @param ImageHandle The image handle of the DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver, + or UEFI Driver exited normally. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than SystemTable->Hdr.Revision. + @retval Other Return value from ProcessModuleEntryPointList(). + +**/ +EFI_STATUS +EFIAPI +_ModuleEntryPoint ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Required by the EBC compiler and identical in functionality to _ModuleEntryPoint(). + + This function is required to call _ModuleEntryPoint() passing in ImageHandle, and SystemTable. + + @param ImageHandle The image handle of the DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver, + or UEFI Driver exited normally. + @retval EFI_INCOMPATIBLE_VERSION _gUefiDriverRevision is greater than SystemTable->Hdr.Revision. + @retval Other Return value from ProcessModuleEntryPointList(). +**/ +EFI_STATUS +EFIAPI +EfiMain ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Invokes the library destructors for all dependent libraries and terminates the + DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + + This function calls ProcessLibraryDestructorList() and the EFI Boot Service Exit() + with a status specified by Status. + + @param Status Status returned by the driver that is exiting. + +**/ +VOID +EFIAPI +ExitDriver ( + IN EFI_STATUS Status + ); + + +/** + Autogenerated function that calls the library constructors for all of the module's + dependent libraries. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of library constructors for the set of library instances + that a module depends on. This includes library instances that a module depends on + directly and library instances that a module depends on indirectly through other libraries. + This function is autogenerated by build tools and those build tools are responsible + for collecting the set of library instances, determine which ones have constructors, + and calling the library constructors in the proper order based upon each of the library + instances own dependencies. + + @param ImageHandle The image handle of the DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryConstructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Autogenerated function that calls the library descructors for all of the module's + dependent libraries. + + This function may be called by _ModuleEntryPoint() or ExitDriver(). + This function calls the set of library destructors for the set of library instances + that a module depends on. This includes library instances that a module depends on + directly and library instances that a module depends on indirectly through other libraries. + This function is autogenerated by build tools and those build tools are responsible for + collecting the set of library instances, determine which ones have destructors, and calling + the library destructors in the proper order based upon each of the library instances own dependencies. + + @param ImageHandle The image handle of the DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + @param SystemTable A pointer to the EFI System Table. + +**/ +VOID +EFIAPI +ProcessLibraryDestructorList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Autogenerated function that calls a set of module entry points. + + This function must be called by _ModuleEntryPoint(). + This function calls the set of module entry points. + This function is autogenerated by build tools and those build tools are responsible + for collecting the module entry points and calling them in a specified order. + + @param ImageHandle The image handle of the DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + @param SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver executed normally. + @retval !EFI_SUCCESS The DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver failed to execute normally. +**/ +EFI_STATUS +EFIAPI +ProcessModuleEntryPointList ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ); + + +/** + Autogenerated function that calls a set of module unload handlers. + + This function must be called from the unload handler registered by _ModuleEntryPoint(). + This function calls the set of module unload handlers. + This function is autogenerated by build tools and those build tools are responsible + for collecting the module unload handlers and calling them in a specified order. + + @param ImageHandle The image handle of the DXE Driver, DXE Runtime Driver, DXE SMM Driver, or UEFI Driver. + + @retval EFI_SUCCESS The unload handlers executed normally. + @retval !EFI_SUCCESS The unload handlers failed to execute normally. + +**/ +EFI_STATUS +EFIAPI +ProcessModuleUnloadList ( + IN EFI_HANDLE ImageHandle + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiLib.h new file mode 100644 index 0000000000..fb39f5f0d4 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiLib.h @@ -0,0 +1,1814 @@ +/** @file + Provides library functions for common UEFI operations. Only available to DXE + and UEFI module types. + + The UEFI Library provides functions and macros that simplify the development of + UEFI Drivers and UEFI Applications. These functions and macros help manage EFI + events, build simple locks utilizing EFI Task Priority Levels (TPLs), install + EFI Driver Model related protocols, manage Unicode string tables for UEFI Drivers, + and print messages on the console output and standard error devices. + + Note that a reserved macro named MDEPKG_NDEBUG is introduced for the intention + of size reduction when compiler optimization is disabled. If MDEPKG_NDEBUG is + defined, then debug and assert related macros wrapped by it are the NULL implementations. + +Copyright (c) 2019, NVIDIA Corporation. All rights reserved. +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __UEFI_LIB_H__ +#define __UEFI_LIB_H__ + +#include <IndustryStandard/Acpi.h> + +#include <Protocol/DriverBinding.h> +#include <Protocol/DriverConfiguration.h> +#include <Protocol/ComponentName.h> +#include <Protocol/ComponentName2.h> +#include <Protocol/DriverDiagnostics.h> +#include <Protocol/DriverDiagnostics2.h> +#include <Protocol/GraphicsOutput.h> +#include <Protocol/DevicePath.h> +#include <Protocol/SimpleFileSystem.h> + +#include <Library/BaseLib.h> + +/// +/// Unicode String Table +/// +typedef struct { + CHAR8 *Language; + CHAR16 *UnicodeString; +} EFI_UNICODE_STRING_TABLE; + +/// +/// EFI Lock Status +/// +typedef enum { + EfiLockUninitialized = 0, + EfiLockReleased = 1, + EfiLockAcquired = 2 +} EFI_LOCK_STATE; + +/// +/// EFI Lock +/// +typedef struct { + EFI_TPL Tpl; + EFI_TPL OwnerTpl; + EFI_LOCK_STATE Lock; +} EFI_LOCK; + +/** + Macro that returns the number of 100 ns units for a specified number of microseconds. + This is useful for managing EFI timer events. + + @param Microseconds The number of microseconds. + + @return The number of 100 ns units equivalent to the number of microseconds specified + by Microseconds. + +**/ +#define EFI_TIMER_PERIOD_MICROSECONDS(Microseconds) MultU64x32((UINT64)(Microseconds), 10) + +/** + Macro that returns the number of 100 ns units for a specified number of milliseconds. + This is useful for managing EFI timer events. + + @param Milliseconds The number of milliseconds. + + @return The number of 100 ns units equivalent to the number of milliseconds specified + by Milliseconds. + +**/ +#define EFI_TIMER_PERIOD_MILLISECONDS(Milliseconds) MultU64x32((UINT64)(Milliseconds), 10000) + +/** + Macro that returns the number of 100 ns units for a specified number of seconds. + This is useful for managing EFI timer events. + + @param Seconds The number of seconds. + + @return The number of 100 ns units equivalent to the number of seconds specified + by Seconds. + +**/ +#define EFI_TIMER_PERIOD_SECONDS(Seconds) MultU64x32((UINT64)(Seconds), 10000000) + +/** + Macro that returns the a pointer to the next EFI_MEMORY_DESCRIPTOR in an array + returned from GetMemoryMap(). + + @param MemoryDescriptor A pointer to an EFI_MEMORY_DESCRIPTOR. + + @param Size The size, in bytes, of the current EFI_MEMORY_DESCRIPTOR. + + @return A pointer to the next EFI_MEMORY_DESCRIPTOR. + +**/ +#define NEXT_MEMORY_DESCRIPTOR(MemoryDescriptor, Size) \ + ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)(MemoryDescriptor) + (Size))) + +/** + Retrieves a pointer to the system configuration table from the EFI System Table + based on a specified GUID. + + This function searches the list of configuration tables stored in the EFI System Table + for a table with a GUID that matches TableGuid. If a match is found, then a pointer to + the configuration table is returned in Table, and EFI_SUCCESS is returned. If a matching GUID + is not found, then EFI_NOT_FOUND is returned. + If TableGuid is NULL, then ASSERT(). + If Table is NULL, then ASSERT(). + + @param TableGuid The pointer to table's GUID type.. + @param Table The pointer to the table associated with TableGuid in the EFI System Table. + + @retval EFI_SUCCESS A configuration table matching TableGuid was found. + @retval EFI_NOT_FOUND A configuration table matching TableGuid could not be found. + +**/ +EFI_STATUS +EFIAPI +EfiGetSystemConfigurationTable ( + IN EFI_GUID *TableGuid, + OUT VOID **Table + ); + +/** + Creates and returns a notification event and registers that event with all the protocol + instances specified by ProtocolGuid. + + This function causes the notification function to be executed for every protocol of type + ProtocolGuid instance that exists in the system when this function is invoked. If there are + no instances of ProtocolGuid in the handle database at the time this function is invoked, + then the notification function is still executed one time. In addition, every time a protocol + of type ProtocolGuid instance is installed or reinstalled, the notification function is also + executed. This function returns the notification event that was created. + If ProtocolGuid is NULL, then ASSERT(). + If NotifyTpl is not a legal TPL value, then ASSERT(). + If NotifyFunction is NULL, then ASSERT(). + If Registration is NULL, then ASSERT(). + + + @param ProtocolGuid Supplies GUID of the protocol upon whose installation the event is fired. + @param NotifyTpl Supplies the task priority level of the event notifications. + @param NotifyFunction Supplies the function to notify when the event is signaled. + @param NotifyContext The context parameter to pass to NotifyFunction. + @param Registration A pointer to a memory location to receive the registration value. + This value is passed to LocateHandle() to obtain new handles that + have been added that support the ProtocolGuid-specified protocol. + + @return The notification event that was created. + +**/ +EFI_EVENT +EFIAPI +EfiCreateProtocolNotifyEvent( + IN EFI_GUID *ProtocolGuid, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN VOID *NotifyContext, OPTIONAL + OUT VOID **Registration + ); + +/** + Creates a named event that can be signaled with EfiNamedEventSignal(). + + This function creates an event using NotifyTpl, NoifyFunction, and NotifyContext. + This event is signaled with EfiNamedEventSignal(). This provides the ability for one or more + listeners on the same event named by the GUID specified by Name. + If Name is NULL, then ASSERT(). + If NotifyTpl is not a legal TPL value, then ASSERT(). + If NotifyFunction is NULL, then ASSERT(). + + @param Name Supplies GUID name of the event. + @param NotifyTpl Supplies the task priority level of the event notifications. + @param NotifyFunction Supplies the function to notify when the event is signaled. + @param NotifyContext The context parameter to pass to NotifyFunction. + @param Registration A pointer to a memory location to receive the registration value. + + @retval EFI_SUCCESS A named event was created. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to create the named event. + +**/ +EFI_STATUS +EFIAPI +EfiNamedEventListen ( + IN CONST EFI_GUID *Name, + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, + IN CONST VOID *NotifyContext, OPTIONAL + OUT VOID *Registration OPTIONAL + ); + +/** + Signals a named event created with EfiNamedEventListen(). + + This function signals the named event specified by Name. The named event must have been + created with EfiNamedEventListen(). + If Name is NULL, then ASSERT(). + + @param Name Supplies the GUID name of the event. + + @retval EFI_SUCCESS A named event was signaled. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to signal the named event. + +**/ +EFI_STATUS +EFIAPI +EfiNamedEventSignal ( + IN CONST EFI_GUID *Name + ); + +/** + Signals an event group by placing a new event in the group temporarily and + signaling it. + + @param[in] EventGroup Supplies the unique identifier of the event + group to signal. + + @retval EFI_SUCCESS The event group was signaled successfully. + @retval EFI_INVALID_PARAMETER EventGroup is NULL. + @return Error codes that report problems about event + creation or signaling. +**/ +EFI_STATUS +EFIAPI +EfiEventGroupSignal ( + IN CONST EFI_GUID *EventGroup + ); + +/** + An empty function that can be used as NotifyFunction parameter of + CreateEvent() or CreateEventEx(). + + @param Event Event whose notification function is being invoked. + @param Context The pointer to the notification function's context, + which is implementation-dependent. + +**/ +VOID +EFIAPI +EfiEventEmptyFunction ( + IN EFI_EVENT Event, + IN VOID *Context + ); + +/** + Returns the current TPL. + + This function returns the current TPL. There is no EFI service to directly + retrieve the current TPL. Instead, the RaiseTPL() function is used to raise + the TPL to TPL_HIGH_LEVEL. This will return the current TPL. The TPL level + can then immediately be restored back to the current TPL level with a call + to RestoreTPL(). + + @return The current TPL. + +**/ +EFI_TPL +EFIAPI +EfiGetCurrentTpl ( + VOID + ); + +/** + Initializes a basic mutual exclusion lock. + + This function initializes a basic mutual exclusion lock to the released state + and returns the lock. Each lock provides mutual exclusion access at its task + priority level. Since there is no preemption or multiprocessor support in EFI, + acquiring the lock only consists of raising to the locks TPL. + If Lock is NULL, then ASSERT(). + If Priority is not a valid TPL value, then ASSERT(). + + @param Lock A pointer to the lock data structure to initialize. + @param Priority The EFI TPL associated with the lock. + + @return The lock. + +**/ +EFI_LOCK * +EFIAPI +EfiInitializeLock ( + IN OUT EFI_LOCK *Lock, + IN EFI_TPL Priority + ); + +/** + Initializes a basic mutual exclusion lock. + + This macro initializes the contents of a basic mutual exclusion lock to the + released state. Each lock provides mutual exclusion access at its task + priority level. Since there is no preemption or multiprocessor support in EFI, + acquiring the lock only consists of raising to the locks TPL. + + @param Priority The task priority level of the lock. + + @return The lock. + +**/ +#define EFI_INITIALIZE_LOCK_VARIABLE(Priority) \ + {Priority, TPL_APPLICATION, EfiLockReleased } + + +/** + Macro that calls DebugAssert() if an EFI_LOCK structure is not in the locked state. + + If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED + bit of PcdDebugProperyMask is set, then this macro evaluates the EFI_LOCK + structure specified by Lock. If Lock is not in the locked state, then + DebugAssert() is called passing in the source filename, source line number, + and Lock. + + If Lock is NULL, then ASSERT(). + + @param LockParameter A pointer to the lock to acquire. + +**/ +#if !defined(MDEPKG_NDEBUG) + #define ASSERT_LOCKED(LockParameter) \ + do { \ + if (DebugAssertEnabled ()) { \ + ASSERT (LockParameter != NULL); \ + if ((LockParameter)->Lock != EfiLockAcquired) { \ + _ASSERT (LockParameter not locked); \ + } \ + } \ + } while (FALSE) +#else + #define ASSERT_LOCKED(LockParameter) +#endif + + +/** + Acquires ownership of a lock. + + This function raises the system's current task priority level to the task + priority level of the mutual exclusion lock. Then, it places the lock in the + acquired state. + If Lock is NULL, then ASSERT(). + If Lock is not initialized, then ASSERT(). + If Lock is already in the acquired state, then ASSERT(). + + @param Lock A pointer to the lock to acquire. + +**/ +VOID +EFIAPI +EfiAcquireLock ( + IN EFI_LOCK *Lock + ); + +/** + Acquires ownership of a lock. + + This function raises the system's current task priority level to the task priority + level of the mutual exclusion lock. Then, it attempts to place the lock in the acquired state. + If the lock is already in the acquired state, then EFI_ACCESS_DENIED is returned. + Otherwise, EFI_SUCCESS is returned. + If Lock is NULL, then ASSERT(). + If Lock is not initialized, then ASSERT(). + + @param Lock A pointer to the lock to acquire. + + @retval EFI_SUCCESS The lock was acquired. + @retval EFI_ACCESS_DENIED The lock could not be acquired because it is already owned. + +**/ +EFI_STATUS +EFIAPI +EfiAcquireLockOrFail ( + IN EFI_LOCK *Lock + ); + +/** + Releases ownership of a lock. + + This function transitions a mutual exclusion lock from the acquired state to + the released state, and restores the system's task priority level to its + previous level. + If Lock is NULL, then ASSERT(). + If Lock is not initialized, then ASSERT(). + If Lock is already in the released state, then ASSERT(). + + @param Lock A pointer to the lock to release. + +**/ +VOID +EFIAPI +EfiReleaseLock ( + IN EFI_LOCK *Lock + ); + +/** + Tests whether a controller handle is being managed by a specific driver. + + This function tests whether the driver specified by DriverBindingHandle is + currently managing the controller specified by ControllerHandle. This test + is performed by evaluating if the the protocol specified by ProtocolGuid is + present on ControllerHandle and is was opened by DriverBindingHandle with an + attribute of EFI_OPEN_PROTOCOL_BY_DRIVER. + If ProtocolGuid is NULL, then ASSERT(). + + @param ControllerHandle A handle for a controller to test. + @param DriverBindingHandle Specifies the driver binding handle for the + driver. + @param ProtocolGuid Specifies the protocol that the driver specified + by DriverBindingHandle opens in its Start() + function. + + @retval EFI_SUCCESS ControllerHandle is managed by the driver + specified by DriverBindingHandle. + @retval EFI_UNSUPPORTED ControllerHandle is not managed by the driver + specified by DriverBindingHandle. + +**/ +EFI_STATUS +EFIAPI +EfiTestManagedDevice ( + IN CONST EFI_HANDLE ControllerHandle, + IN CONST EFI_HANDLE DriverBindingHandle, + IN CONST EFI_GUID *ProtocolGuid + ); + +/** + Tests whether a child handle is a child device of the controller. + + This function tests whether ChildHandle is one of the children of + ControllerHandle. This test is performed by checking to see if the protocol + specified by ProtocolGuid is present on ControllerHandle and opened by + ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. + If ProtocolGuid is NULL, then ASSERT(). + + @param ControllerHandle A handle for a (parent) controller to test. + @param ChildHandle A child handle to test. + @param ProtocolGuid Supplies the protocol that the child controller + opens on its parent controller. + + @retval EFI_SUCCESS ChildHandle is a child of the ControllerHandle. + @retval EFI_UNSUPPORTED ChildHandle is not a child of the + ControllerHandle. + +**/ +EFI_STATUS +EFIAPI +EfiTestChildHandle ( + IN CONST EFI_HANDLE ControllerHandle, + IN CONST EFI_HANDLE ChildHandle, + IN CONST EFI_GUID *ProtocolGuid + ); + +/** + This function checks the supported languages list for a target language, + This only supports RFC 4646 Languages. + + @param SupportedLanguages The supported languages + @param TargetLanguage The target language + + @retval Returns EFI_SUCCESS if the language is supported, + EFI_UNSUPPORTED otherwise + +**/ +EFI_STATUS +EFIAPI +IsLanguageSupported ( + IN CONST CHAR8 *SupportedLanguages, + IN CONST CHAR8 *TargetLanguage + ); + +/** + This function looks up a Unicode string in UnicodeStringTable. + + If Language is a member of SupportedLanguages and a Unicode string is found in + UnicodeStringTable that matches the language code specified by Language, then it + is returned in UnicodeString. + + @param Language A pointer to the ISO 639-2 language code for the + Unicode string to look up and return. + @param SupportedLanguages A pointer to the set of ISO 639-2 language codes + that the Unicode string table supports. Language + must be a member of this set. + @param UnicodeStringTable A pointer to the table of Unicode strings. + @param UnicodeString A pointer to the Unicode string from UnicodeStringTable + that matches the language specified by Language. + + @retval EFI_SUCCESS The Unicode string that matches the language + specified by Language was found + in the table of Unicode strings UnicodeStringTable, + and it was returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_UNSUPPORTED UnicodeStringTable is NULL. + @retval EFI_UNSUPPORTED The language specified by Language is not a + member of SupportedLanguages. + @retval EFI_UNSUPPORTED The language specified by Language is not + supported by UnicodeStringTable. + +**/ +EFI_STATUS +EFIAPI +LookupUnicodeString ( + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN CONST EFI_UNICODE_STRING_TABLE *UnicodeStringTable, + OUT CHAR16 **UnicodeString + ); + +/** + This function looks up a Unicode string in UnicodeStringTable. + + If Language is a member of SupportedLanguages and a Unicode string is found in + UnicodeStringTable that matches the language code specified by Language, then + it is returned in UnicodeString. + + @param Language A pointer to an ASCII string containing the ISO 639-2 or the + RFC 4646 language code for the Unicode string to look up and + return. If Iso639Language is TRUE, then this ASCII string is + not assumed to be Null-terminated, and only the first three + characters are used. If Iso639Language is FALSE, then this ASCII + string must be Null-terminated. + @param SupportedLanguages A pointer to a Null-terminated ASCII string that contains a + set of ISO 639-2 or RFC 4646 language codes that the Unicode + string table supports. Language must be a member of this set. + If Iso639Language is TRUE, then this string contains one or more + ISO 639-2 language codes with no separator characters. If Iso639Language + is FALSE, then is string contains one or more RFC 4646 language + codes separated by ';'. + @param UnicodeStringTable A pointer to the table of Unicode strings. Type EFI_UNICODE_STRING_TABLE + is defined in "Related Definitions". + @param UnicodeString A pointer to the Null-terminated Unicode string from UnicodeStringTable + that matches the language specified by Language. + @param Iso639Language Specifies the supported language code format. If it is TRUE, then + Language and SupportedLanguages follow ISO 639-2 language code format. + Otherwise, they follow the RFC 4646 language code format. + + + @retval EFI_SUCCESS The Unicode string that matches the language specified by Language + was found in the table of Unicode strings UnicodeStringTable, and + it was returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_UNSUPPORTED UnicodeStringTable is NULL. + @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. + @retval EFI_UNSUPPORTED The language specified by Language is not supported by UnicodeStringTable. + +**/ +EFI_STATUS +EFIAPI +LookupUnicodeString2 ( + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN CONST EFI_UNICODE_STRING_TABLE *UnicodeStringTable, + OUT CHAR16 **UnicodeString, + IN BOOLEAN Iso639Language + ); + +/** + This function adds a Unicode string to UnicodeStringTable. + + If Language is a member of SupportedLanguages then UnicodeString is added to + UnicodeStringTable. New buffers are allocated for both Language and + UnicodeString. The contents of Language and UnicodeString are copied into + these new buffers. These buffers are automatically freed when + FreeUnicodeStringTable() is called. + + @param Language A pointer to the ISO 639-2 language code for the Unicode + string to add. + @param SupportedLanguages A pointer to the set of ISO 639-2 language codes + that the Unicode string table supports. + Language must be a member of this set. + @param UnicodeStringTable A pointer to the table of Unicode strings. + @param UnicodeString A pointer to the Unicode string to add. + + @retval EFI_SUCCESS The Unicode string that matches the language + specified by Language was found in the table of + Unicode strings UnicodeStringTable, and it was + returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is an empty string. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_ALREADY_STARTED A Unicode string with language Language is + already present in UnicodeStringTable. + @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another + Unicode string to UnicodeStringTable. + @retval EFI_UNSUPPORTED The language specified by Language is not a + member of SupportedLanguages. + +**/ +EFI_STATUS +EFIAPI +AddUnicodeString ( + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN OUT EFI_UNICODE_STRING_TABLE **UnicodeStringTable, + IN CONST CHAR16 *UnicodeString + ); + +/** + This function adds the Null-terminated Unicode string specified by UnicodeString + to UnicodeStringTable. + + If Language is a member of SupportedLanguages then UnicodeString is added to + UnicodeStringTable. New buffers are allocated for both Language and UnicodeString. + The contents of Language and UnicodeString are copied into these new buffers. + These buffers are automatically freed when EfiLibFreeUnicodeStringTable() is called. + + @param Language A pointer to an ASCII string containing the ISO 639-2 or + the RFC 4646 language code for the Unicode string to add. + If Iso639Language is TRUE, then this ASCII string is not + assumed to be Null-terminated, and only the first three + chacters are used. If Iso639Language is FALSE, then this + ASCII string must be Null-terminated. + @param SupportedLanguages A pointer to a Null-terminated ASCII string that contains + a set of ISO 639-2 or RFC 4646 language codes that the Unicode + string table supports. Language must be a member of this set. + If Iso639Language is TRUE, then this string contains one or more + ISO 639-2 language codes with no separator characters. + If Iso639Language is FALSE, then is string contains one or more + RFC 4646 language codes separated by ';'. + @param UnicodeStringTable A pointer to the table of Unicode strings. Type EFI_UNICODE_STRING_TABLE + is defined in "Related Definitions". + @param UnicodeString A pointer to the Unicode string to add. + @param Iso639Language Specifies the supported language code format. If it is TRUE, + then Language and SupportedLanguages follow ISO 639-2 language code format. + Otherwise, they follow RFC 4646 language code format. + + @retval EFI_SUCCESS The Unicode string that matches the language specified by + Language was found in the table of Unicode strings UnicodeStringTable, + and it was returned in UnicodeString. + @retval EFI_INVALID_PARAMETER Language is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is NULL. + @retval EFI_INVALID_PARAMETER UnicodeString is an empty string. + @retval EFI_UNSUPPORTED SupportedLanguages is NULL. + @retval EFI_ALREADY_STARTED A Unicode string with language Language is already present in + UnicodeStringTable. + @retval EFI_OUT_OF_RESOURCES There is not enough memory to add another Unicode string UnicodeStringTable. + @retval EFI_UNSUPPORTED The language specified by Language is not a member of SupportedLanguages. + +**/ +EFI_STATUS +EFIAPI +AddUnicodeString2 ( + IN CONST CHAR8 *Language, + IN CONST CHAR8 *SupportedLanguages, + IN OUT EFI_UNICODE_STRING_TABLE **UnicodeStringTable, + IN CONST CHAR16 *UnicodeString, + IN BOOLEAN Iso639Language + ); + +/** + This function frees the table of Unicode strings in UnicodeStringTable. + + If UnicodeStringTable is NULL, then EFI_SUCCESS is returned. + Otherwise, each language code, and each Unicode string in the Unicode string + table are freed, and EFI_SUCCESS is returned. + + @param UnicodeStringTable A pointer to the table of Unicode strings. + + @retval EFI_SUCCESS The Unicode string table was freed. + +**/ +EFI_STATUS +EFIAPI +FreeUnicodeStringTable ( + IN EFI_UNICODE_STRING_TABLE *UnicodeStringTable + ); + +#ifndef DISABLE_NEW_DEPRECATED_INTERFACES + +/** + [ATTENTION] This function will be deprecated for security reason. + + Returns a pointer to an allocated buffer that contains the contents of a + variable retrieved through the UEFI Runtime Service GetVariable(). The + returned buffer is allocated using AllocatePool(). The caller is responsible + for freeing this buffer with FreePool(). + + If Name is NULL, then ASSERT(). + If Guid is NULL, then ASSERT(). + + @param[in] Name The pointer to a Null-terminated Unicode string. + @param[in] Guid The pointer to an EFI_GUID structure. + + @retval NULL The variable could not be retrieved. + @retval NULL There are not enough resources available for the variable contents. + @retval Other A pointer to allocated buffer containing the variable contents. + +**/ +VOID * +EFIAPI +GetVariable ( + IN CONST CHAR16 *Name, + IN CONST EFI_GUID *Guid + ); + +/** + [ATTENTION] This function will be deprecated for security reason. + + Returns a pointer to an allocated buffer that contains the contents of a + variable retrieved through the UEFI Runtime Service GetVariable(). This + function always uses the EFI_GLOBAL_VARIABLE GUID to retrieve variables. + The returned buffer is allocated using AllocatePool(). The caller is + responsible for freeing this buffer with FreePool(). + + If Name is NULL, then ASSERT(). + + @param[in] Name The pointer to a Null-terminated Unicode string. + + @retval NULL The variable could not be retrieved. + @retval NULL There are not enough resources available for the variable contents. + @retval Other A pointer to allocated buffer containing the variable contents. + +**/ +VOID * +EFIAPI +GetEfiGlobalVariable ( + IN CONST CHAR16 *Name + ); +#endif + + +/** + Returns the status whether get the variable success. The function retrieves + variable through the UEFI Runtime Service GetVariable(). The + returned buffer is allocated using AllocatePool(). The caller is responsible + for freeing this buffer with FreePool(). + + If Name is NULL, then ASSERT(). + If Guid is NULL, then ASSERT(). + If Value is NULL, then ASSERT(). + + @param[in] Name The pointer to a Null-terminated Unicode string. + @param[in] Guid The pointer to an EFI_GUID structure + @param[out] Value The buffer point saved the variable info. + @param[out] Size The buffer size of the variable. + + @retval EFI_OUT_OF_RESOURCES Allocate buffer failed. + @retval EFI_SUCCESS Find the specified variable. + @retval Others Errors Return errors from call to gRT->GetVariable. + +**/ +EFI_STATUS +EFIAPI +GetVariable2 ( + IN CONST CHAR16 *Name, + IN CONST EFI_GUID *Guid, + OUT VOID **Value, + OUT UINTN *Size OPTIONAL + ); + +/** + Returns a pointer to an allocated buffer that contains the contents of a + variable retrieved through the UEFI Runtime Service GetVariable(). This + function always uses the EFI_GLOBAL_VARIABLE GUID to retrieve variables. + The returned buffer is allocated using AllocatePool(). The caller is + responsible for freeing this buffer with FreePool(). + + If Name is NULL, then ASSERT(). + If Value is NULL, then ASSERT(). + + @param[in] Name The pointer to a Null-terminated Unicode string. + @param[out] Value The buffer point saved the variable info. + @param[out] Size The buffer size of the variable. + + @retval EFI_OUT_OF_RESOURCES Allocate buffer failed. + @retval EFI_SUCCESS Find the specified variable. + @retval Others Errors Return errors from call to gRT->GetVariable. + +**/ +EFI_STATUS +EFIAPI +GetEfiGlobalVariable2 ( + IN CONST CHAR16 *Name, + OUT VOID **Value, + OUT UINTN *Size OPTIONAL + ); + +/** Return the attributes of the variable. + + Returns the status whether get the variable success. The function retrieves + variable through the UEFI Runtime Service GetVariable(). The + returned buffer is allocated using AllocatePool(). The caller is responsible + for freeing this buffer with FreePool(). The attributes are returned if + the caller provides a valid Attribute parameter. + + If Name is NULL, then ASSERT(). + If Guid is NULL, then ASSERT(). + If Value is NULL, then ASSERT(). + + @param[in] Name The pointer to a Null-terminated Unicode string. + @param[in] Guid The pointer to an EFI_GUID structure + @param[out] Value The buffer point saved the variable info. + @param[out] Size The buffer size of the variable. + @param[out] Attr The pointer to the variable attributes as found in var store + + @retval EFI_OUT_OF_RESOURCES Allocate buffer failed. + @retval EFI_SUCCESS Find the specified variable. + @retval Others Errors Return errors from call to gRT->GetVariable. + +**/ +EFI_STATUS +EFIAPI +GetVariable3( + IN CONST CHAR16 *Name, + IN CONST EFI_GUID *Guid, + OUT VOID **Value, + OUT UINTN *Size OPTIONAL, + OUT UINT32 *Attr OPTIONAL + ); + +/** + Returns a pointer to an allocated buffer that contains the best matching language + from a set of supported languages. + + This function supports both ISO 639-2 and RFC 4646 language codes, but language + code types may not be mixed in a single call to this function. The language + code returned is allocated using AllocatePool(). The caller is responsible for + freeing the allocated buffer using FreePool(). This function supports a variable + argument list that allows the caller to pass in a prioritized list of language + codes to test against all the language codes in SupportedLanguages. + + If SupportedLanguages is NULL, then ASSERT(). + + @param[in] SupportedLanguages A pointer to a Null-terminated ASCII string that + contains a set of language codes in the format + specified by Iso639Language. + @param[in] Iso639Language If not zero, then all language codes are assumed to be + in ISO 639-2 format. If zero, then all language + codes are assumed to be in RFC 4646 language format + @param[in] ... A variable argument list that contains pointers to + Null-terminated ASCII strings that contain one or more + language codes in the format specified by Iso639Language. + The first language code from each of these language + code lists is used to determine if it is an exact or + close match to any of the language codes in + SupportedLanguages. Close matches only apply to RFC 4646 + language codes, and the matching algorithm from RFC 4647 + is used to determine if a close match is present. If + an exact or close match is found, then the matching + language code from SupportedLanguages is returned. If + no matches are found, then the next variable argument + parameter is evaluated. The variable argument list + is terminated by a NULL. + + @retval NULL The best matching language could not be found in SupportedLanguages. + @retval NULL There are not enough resources available to return the best matching + language. + @retval Other A pointer to a Null-terminated ASCII string that is the best matching + language in SupportedLanguages. + +**/ +CHAR8 * +EFIAPI +GetBestLanguage ( + IN CONST CHAR8 *SupportedLanguages, + IN UINTN Iso639Language, + ... + ); + +/** + Draws a dialog box to the console output device specified by + ConOut defined in the EFI_SYSTEM_TABLE and waits for a keystroke + from the console input device specified by ConIn defined in the + EFI_SYSTEM_TABLE. + + If there are no strings in the variable argument list, then ASSERT(). + If all the strings in the variable argument list are empty, then ASSERT(). + + @param[in] Attribute Specifies the foreground and background color of the popup. + @param[out] Key A pointer to the EFI_KEY value of the key that was + pressed. This is an optional parameter that may be NULL. + If it is NULL then no wait for a keypress will be performed. + @param[in] ... The variable argument list that contains pointers to Null- + terminated Unicode strings to display in the dialog box. + The variable argument list is terminated by a NULL. + +**/ +VOID +EFIAPI +CreatePopUp ( + IN UINTN Attribute, + OUT EFI_INPUT_KEY *Key, OPTIONAL + ... + ); + +/** + Retrieves the width of a Unicode character. + + This function computes and returns the width of the Unicode character specified + by UnicodeChar. + + @param UnicodeChar A Unicode character. + + @retval 0 The width if UnicodeChar could not be determined. + @retval 1 UnicodeChar is a narrow glyph. + @retval 2 UnicodeChar is a wide glyph. + +**/ +UINTN +EFIAPI +GetGlyphWidth ( + IN CHAR16 UnicodeChar + ); + +/** + Computes the display length of a Null-terminated Unicode String. + + This function computes and returns the display length of the Null-terminated Unicode + string specified by String. If String is NULL then 0 is returned. If any of the widths + of the Unicode characters in String can not be determined, then 0 is returned. The display + width of String can be computed by summing the display widths of each Unicode character + in String. Unicode characters that are narrow glyphs have a width of 1, and Unicode + characters that are width glyphs have a width of 2. + If String is not aligned on a 16-bit boundary, then ASSERT(). + + @param String A pointer to a Null-terminated Unicode string. + + @return The display length of the Null-terminated Unicode string specified by String. + +**/ +UINTN +EFIAPI +UnicodeStringDisplayLength ( + IN CONST CHAR16 *String + ); + +// +// Functions that abstract early Framework contamination of UEFI. +// +/** + Create, Signal, and Close the Ready to Boot event using EfiSignalEventReadyToBoot(). + + This function abstracts the signaling of the Ready to Boot Event. The Framework moved + from a proprietary to UEFI 2.0 based mechanism. This library abstracts the caller + from how this event is created to prevent to code form having to change with the + version of the specification supported. + +**/ +VOID +EFIAPI +EfiSignalEventReadyToBoot ( + VOID + ); + +/** + Create, Signal, and Close the Ready to Boot event using EfiSignalEventLegacyBoot(). + + This function abstracts the signaling of the Legacy Boot Event. The Framework moved from + a proprietary to UEFI 2.0 based mechanism. This library abstracts the caller from how + this event is created to prevent to code form having to change with the version of the + specification supported. + +**/ +VOID +EFIAPI +EfiSignalEventLegacyBoot ( + VOID + ); + +/** + Creates an EFI event in the Legacy Boot Event Group. + + Prior to UEFI 2.0 this was done via a non blessed UEFI extensions and this library + abstracts the implementation mechanism of this event from the caller. This function + abstracts the creation of the Legacy Boot Event. The Framework moved from a proprietary + to UEFI 2.0 based mechanism. This library abstracts the caller from how this event + is created to prevent to code form having to change with the version of the + specification supported. + If LegacyBootEvent is NULL, then ASSERT(). + + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS The event was created. + @retval Other The event was not created. + +**/ +EFI_STATUS +EFIAPI +EfiCreateEventLegacyBoot ( + OUT EFI_EVENT *LegacyBootEvent + ); + +/** + Create an EFI event in the Legacy Boot Event Group and allows + the caller to specify a notification function. + + This function abstracts the creation of the Legacy Boot Event. + The Framework moved from a proprietary to UEFI 2.0 based mechanism. + This library abstracts the caller from how this event is created to prevent + to code form having to change with the version of the specification supported. + If LegacyBootEvent is NULL, then ASSERT(). + + @param NotifyTpl The task priority level of the event. + @param NotifyFunction The notification function to call when the event is signaled. + @param NotifyContext The content to pass to NotifyFunction when the event is signaled. + @param LegacyBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS The event was created. + @retval Other The event was not created. + +**/ +EFI_STATUS +EFIAPI +EfiCreateEventLegacyBootEx ( + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL + IN VOID *NotifyContext, OPTIONAL + OUT EFI_EVENT *LegacyBootEvent + ); + +/** + Create an EFI event in the Ready To Boot Event Group. + + Prior to UEFI 2.0 this was done via a non-standard UEFI extension, and this library + abstracts the implementation mechanism of this event from the caller. + This function abstracts the creation of the Ready to Boot Event. The Framework + moved from a proprietary to UEFI 2.0-based mechanism. This library abstracts + the caller from how this event is created to prevent the code form having to + change with the version of the specification supported. + If ReadyToBootEvent is NULL, then ASSERT(). + + @param ReadyToBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS The event was created. + @retval Other The event was not created. + +**/ +EFI_STATUS +EFIAPI +EfiCreateEventReadyToBoot ( + OUT EFI_EVENT *ReadyToBootEvent + ); + +/** + Create an EFI event in the Ready To Boot Event Group and allows + the caller to specify a notification function. + + This function abstracts the creation of the Ready to Boot Event. + The Framework moved from a proprietary to UEFI 2.0 based mechanism. + This library abstracts the caller from how this event is created to prevent + to code form having to change with the version of the specification supported. + If ReadyToBootEvent is NULL, then ASSERT(). + + @param NotifyTpl The task priority level of the event. + @param NotifyFunction The notification function to call when the event is signaled. + @param NotifyContext The content to pass to NotifyFunction when the event is signaled. + @param ReadyToBootEvent Returns the EFI event returned from gBS->CreateEvent(Ex). + + @retval EFI_SUCCESS The event was created. + @retval Other The event was not created. + +**/ +EFI_STATUS +EFIAPI +EfiCreateEventReadyToBootEx ( + IN EFI_TPL NotifyTpl, + IN EFI_EVENT_NOTIFY NotifyFunction, OPTIONAL + IN VOID *NotifyContext, OPTIONAL + OUT EFI_EVENT *ReadyToBootEvent + ); + +/** + Initialize a Firmware Volume (FV) Media Device Path node. + + The Framework FwVol Device Path changed to conform to the UEFI 2.0 specification. + This library function abstracts initializing a device path node. + Initialize the MEDIA_FW_VOL_FILEPATH_DEVICE_PATH data structure. This device + path changed in the DXE CIS version 0.92 in a non back ward compatible way to + not conflict with the UEFI 2.0 specification. This function abstracts the + differences from the caller. + If FvDevicePathNode is NULL, then ASSERT(). + If NameGuid is NULL, then ASSERT(). + + @param FvDevicePathNode The pointer to a FV device path node to initialize + @param NameGuid FV file name to use in FvDevicePathNode + +**/ +VOID +EFIAPI +EfiInitializeFwVolDevicepathNode ( + IN OUT MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode, + IN CONST EFI_GUID *NameGuid + ); + +/** + Check to see if the Firmware Volume (FV) Media Device Path is valid + + The Framework FwVol Device Path changed to conform to the UEFI 2.0 specification. + This library function abstracts validating a device path node. + Check the MEDIA_FW_VOL_FILEPATH_DEVICE_PATH data structure to see if it's valid. + If it is valid, then return the GUID file name from the device path node. Otherwise, + return NULL. This device path changed in the DXE CIS version 0.92 in a non backward + compatible way to not conflict with the UEFI 2.0 specification. This function abstracts + the differences from the caller. + If FvDevicePathNode is NULL, then ASSERT(). + + @param FvDevicePathNode The pointer to FV device path to check. + + @retval NULL FvDevicePathNode is not valid. + @retval Other FvDevicePathNode is valid and pointer to NameGuid was returned. + +**/ +EFI_GUID * +EFIAPI +EfiGetNameGuidFromFwVolDevicePathNode ( + IN CONST MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvDevicePathNode + ); + +/** + Prints a formatted Unicode string to the console output device specified by + ConOut defined in the EFI_SYSTEM_TABLE. + + This function prints a formatted Unicode string to the console output device + specified by ConOut in EFI_SYSTEM_TABLE and returns the number of Unicode + characters that printed to ConOut. If the length of the formatted Unicode + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + PcdUefiLibMaxPrintBufferSize characters are sent to ConOut. + If Format is NULL, then ASSERT(). + If Format is not aligned on a 16-bit boundary, then ASSERT(). + If gST->ConOut is NULL, then ASSERT(). + + @param Format A null-terminated Unicode format string. + @param ... The variable argument list whose contents are accessed based + on the format string specified by Format. + + @return Number of Unicode characters printed to ConOut. + +**/ +UINTN +EFIAPI +Print ( + IN CONST CHAR16 *Format, + ... + ); + +/** + Prints a formatted Unicode string to the console output device specified by + StdErr defined in the EFI_SYSTEM_TABLE. + + This function prints a formatted Unicode string to the console output device + specified by StdErr in EFI_SYSTEM_TABLE and returns the number of Unicode + characters that printed to StdErr. If the length of the formatted Unicode + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + PcdUefiLibMaxPrintBufferSize characters are sent to StdErr. + If Format is NULL, then ASSERT(). + If Format is not aligned on a 16-bit boundary, then ASSERT(). + If gST->StdErr is NULL, then ASSERT(). + + @param Format A null-terminated Unicode format string. + @param ... The variable argument list whose contents are accessed based + on the format string specified by Format. + + @return Number of Unicode characters printed to StdErr. + +**/ +UINTN +EFIAPI +ErrorPrint ( + IN CONST CHAR16 *Format, + ... + ); + +/** + Prints a formatted ASCII string to the console output device specified by + ConOut defined in the EFI_SYSTEM_TABLE. + + This function prints a formatted ASCII string to the console output device + specified by ConOut in EFI_SYSTEM_TABLE and returns the number of ASCII + characters that printed to ConOut. If the length of the formatted ASCII + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + PcdUefiLibMaxPrintBufferSize characters are sent to ConOut. + If Format is NULL, then ASSERT(). + If gST->ConOut is NULL, then ASSERT(). + + @param Format A null-terminated ASCII format string. + @param ... The variable argument list whose contents are accessed based + on the format string specified by Format. + + @return Number of ASCII characters printed to ConOut. + +**/ +UINTN +EFIAPI +AsciiPrint ( + IN CONST CHAR8 *Format, + ... + ); + +/** + Prints a formatted ASCII string to the console output device specified by + StdErr defined in the EFI_SYSTEM_TABLE. + + This function prints a formatted ASCII string to the console output device + specified by StdErr in EFI_SYSTEM_TABLE and returns the number of ASCII + characters that printed to StdErr. If the length of the formatted ASCII + string is greater than PcdUefiLibMaxPrintBufferSize, then only the first + PcdUefiLibMaxPrintBufferSize characters are sent to StdErr. + If Format is NULL, then ASSERT(). + If gST->StdErr is NULL, then ASSERT(). + + @param Format A null-terminated ASCII format string. + @param ... The variable argument list whose contents are accessed based + on the format string specified by Format. + + @return Number of ASCII characters printed to ConErr. + +**/ +UINTN +EFIAPI +AsciiErrorPrint ( + IN CONST CHAR8 *Format, + ... + ); + + +/** + Prints a formatted Unicode string to a graphics console device specified by + ConsoleOutputHandle defined in the EFI_SYSTEM_TABLE at the given (X,Y) coordinates. + + This function prints a formatted Unicode string to the graphics console device + specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of + Unicode characters displayed, not including partial characters that may be clipped + by the right edge of the display. If the length of the formatted Unicode string is + greater than PcdUefiLibMaxPrintBufferSize, then at most the first + PcdUefiLibMaxPrintBufferSize characters are printed. The EFI_HII_FONT_PROTOCOL + is used to convert the string to a bitmap using the glyphs registered with the + HII database. No wrapping is performed, so any portions of the string the fall + outside the active display region will not be displayed. + + If a graphics console device is not associated with the ConsoleOutputHandle + defined in the EFI_SYSTEM_TABLE then no string is printed, and 0 is returned. + If the EFI_HII_FONT_PROTOCOL is not present in the handle database, then no + string is printed, and 0 is returned. + If Format is NULL, then ASSERT(). + If Format is not aligned on a 16-bit boundary, then ASSERT(). + If gST->ConsoleOutputHandle is NULL, then ASSERT(). + + @param PointX X coordinate to print the string. + @param PointY Y coordinate to print the string. + @param ForeGround The foreground color of the string being printed. This is + an optional parameter that may be NULL. If it is NULL, + then the foreground color of the current ConOut device + in the EFI_SYSTEM_TABLE is used. + @param BackGround The background color of the string being printed. This is + an optional parameter that may be NULL. If it is NULL, + then the background color of the current ConOut device + in the EFI_SYSTEM_TABLE is used. + @param Format A null-terminated Unicode format string. See Print Library + for the supported format string syntax. + @param ... Variable argument list whose contents are accessed based on + the format string specified by Format. + + @return The number of Unicode characters printed. + +**/ +UINTN +EFIAPI +PrintXY ( + IN UINTN PointX, + IN UINTN PointY, + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *ForeGround, OPTIONAL + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BackGround, OPTIONAL + IN CONST CHAR16 *Format, + ... + ); + +/** + Prints a formatted ASCII string to a graphics console device specified by + ConsoleOutputHandle defined in the EFI_SYSTEM_TABLE at the given (X,Y) coordinates. + + This function prints a formatted ASCII string to the graphics console device + specified by ConsoleOutputHandle in EFI_SYSTEM_TABLE and returns the number of + ASCII characters displayed, not including partial characters that may be clipped + by the right edge of the display. If the length of the formatted ASCII string is + greater than PcdUefiLibMaxPrintBufferSize, then at most the first + PcdUefiLibMaxPrintBufferSize characters are printed. The EFI_HII_FONT_PROTOCOL + is used to convert the string to a bitmap using the glyphs registered with the + HII database. No wrapping is performed, so any portions of the string the fall + outside the active display region will not be displayed. + + If a graphics console device is not associated with the ConsoleOutputHandle + defined in the EFI_SYSTEM_TABLE then no string is printed, and 0 is returned. + If the EFI_HII_FONT_PROTOCOL is not present in the handle database, then no + string is printed, and 0 is returned. + If Format is NULL, then ASSERT(). + If gST->ConsoleOutputHandle is NULL, then ASSERT(). + + @param PointX X coordinate to print the string. + @param PointY Y coordinate to print the string. + @param ForeGround The foreground color of the string being printed. This is + an optional parameter that may be NULL. If it is NULL, + then the foreground color of the current ConOut device + in the EFI_SYSTEM_TABLE is used. + @param BackGround The background color of the string being printed. This is + an optional parameter that may be NULL. If it is NULL, + then the background color of the current ConOut device + in the EFI_SYSTEM_TABLE is used. + @param Format A null-terminated ASCII format string. See Print Library + for the supported format string syntax. + @param ... The variable argument list whose contents are accessed based on + the format string specified by Format. + + @return The number of ASCII characters printed. + +**/ +UINTN +EFIAPI +AsciiPrintXY ( + IN UINTN PointX, + IN UINTN PointY, + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *ForeGround, OPTIONAL + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BackGround, OPTIONAL + IN CONST CHAR8 *Format, + ... + ); + + +/** + Installs and completes the initialization of a Driver Binding Protocol instance. + + Installs the Driver Binding Protocol specified by DriverBinding onto the handle + specified by DriverBindingHandle. If DriverBindingHandle is NULL, then DriverBinding + is installed onto a newly created handle. DriverBindingHandle is typically the same + as the driver's ImageHandle, but it can be different if the driver produces multiple + Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). + If DriverBinding can not be installed onto a handle, then ASSERT(). + + @param ImageHandle The image handle of the driver. + @param SystemTable The EFI System Table that was passed to the driver's entry point. + @param DriverBinding A Driver Binding Protocol instance that this driver is producing. + @param DriverBindingHandle The handle that DriverBinding is to be installed onto. If this + parameter is NULL, then a new handle is created. + + @retval EFI_SUCCESS The protocol installation completed successfully. + @retval EFI_OUT_OF_RESOURCES There was not enough system resources to install the protocol. + @retval Others Status from gBS->InstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibInstallDriverBinding ( + IN CONST EFI_HANDLE ImageHandle, + IN CONST EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle + ); + + +/** + Uninstalls a Driver Binding Protocol instance. + + If DriverBinding is NULL, then ASSERT(). + If DriverBinding can not be uninstalled, then ASSERT(). + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + + @retval EFI_SUCCESS The protocol uninstallation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallDriverBinding ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding + ); + + +/** + Installs and completes the initialization of a Driver Binding Protocol instance and + optionally installs the Component Name, Driver Configuration and Driver Diagnostics Protocols. + + Initializes a driver by installing the Driver Binding Protocol together with the + optional Component Name, optional Driver Configure and optional Driver Diagnostic + Protocols onto the driver's DriverBindingHandle. If DriverBindingHandle is NULL, + then the protocols are installed onto a newly created handle. DriverBindingHandle + is typically the same as the driver's ImageHandle, but it can be different if the + driver produces multiple Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). + If the installation fails, then ASSERT(). + + @param ImageHandle The image handle of the driver. + @param SystemTable The EFI System Table that was passed to the driver's entry point. + @param DriverBinding A Driver Binding Protocol instance that this driver is producing. + @param DriverBindingHandle The handle that DriverBinding is to be installed onto. If this + parameter is NULL, then a new handle is created. + @param ComponentName A Component Name Protocol instance that this driver is producing. + @param DriverConfiguration A Driver Configuration Protocol instance that this driver is producing. + @param DriverDiagnostics A Driver Diagnostics Protocol instance that this driver is producing. + + @retval EFI_SUCCESS The protocol installation completed successfully. + @retval EFI_OUT_OF_RESOURCES There was not enough memory in the pool to install all the protocols. + +**/ +EFI_STATUS +EFIAPI +EfiLibInstallAllDriverProtocols ( + IN CONST EFI_HANDLE ImageHandle, + IN CONST EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics OPTIONAL + ); + + +/** + Uninstalls a Driver Binding Protocol instance and optionally uninstalls the + Component Name, Driver Configuration and Driver Diagnostics Protocols. + + If DriverBinding is NULL, then ASSERT(). + If the uninstallation fails, then ASSERT(). + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + @param ComponentName A Component Name Protocol instance that this driver produced. + @param DriverConfiguration A Driver Configuration Protocol instance that this driver produced. + @param DriverDiagnostics A Driver Diagnostics Protocol instance that this driver produced. + + @retval EFI_SUCCESS The protocol uninstallation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallAllDriverProtocols ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics OPTIONAL + ); + + +/** + Installs Driver Binding Protocol with optional Component Name and Component Name 2 Protocols. + + Initializes a driver by installing the Driver Binding Protocol together with the + optional Component Name and optional Component Name 2 protocols onto the driver's + DriverBindingHandle. If DriverBindingHandle is NULL, then the protocols are installed + onto a newly created handle. DriverBindingHandle is typically the same as the driver's + ImageHandle, but it can be different if the driver produces multiple Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). + If the installation fails, then ASSERT(). + + @param ImageHandle The image handle of the driver. + @param SystemTable The EFI System Table that was passed to the driver's entry point. + @param DriverBinding A Driver Binding Protocol instance that this driver is producing. + @param DriverBindingHandle The handle that DriverBinding is to be installed onto. If this + parameter is NULL, then a new handle is created. + @param ComponentName A Component Name Protocol instance that this driver is producing. + @param ComponentName2 A Component Name 2 Protocol instance that this driver is producing. + + @retval EFI_SUCCESS The protocol installation completed successfully. + @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols. + +**/ +EFI_STATUS +EFIAPI +EfiLibInstallDriverBindingComponentName2 ( + IN CONST EFI_HANDLE ImageHandle, + IN CONST EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2 OPTIONAL + ); + + +/** + Uninstalls Driver Binding Protocol with optional Component Name and Component Name 2 Protocols. + + If DriverBinding is NULL, then ASSERT(). + If the uninstallation fails, then ASSERT(). + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + @param ComponentName A Component Name Protocol instance that this driver produced. + @param ComponentName2 A Component Name 2 Protocol instance that this driver produced. + + @retval EFI_SUCCESS The protocol installation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallDriverBindingComponentName2 ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2 OPTIONAL + ); + + +/** + Installs Driver Binding Protocol with optional Component Name, Component Name 2, Driver + Configuration, Driver Configuration 2, Driver Diagnostics, and Driver Diagnostics 2 Protocols. + + Initializes a driver by installing the Driver Binding Protocol together with the optional + Component Name, optional Component Name 2, optional Driver Configuration, optional Driver Configuration 2, + optional Driver Diagnostic, and optional Driver Diagnostic 2 Protocols onto the driver's DriverBindingHandle. + DriverBindingHandle is typically the same as the driver's ImageHandle, but it can be different if the driver + produces multiple Driver Binding Protocols. + If DriverBinding is NULL, then ASSERT(). + If the installation fails, then ASSERT(). + + + @param ImageHandle The image handle of the driver. + @param SystemTable The EFI System Table that was passed to the driver's entry point. + @param DriverBinding A Driver Binding Protocol instance that this driver is producing. + @param DriverBindingHandle The handle that DriverBinding is to be installed onto. If this + parameter is NULL, then a new handle is created. + @param ComponentName A Component Name Protocol instance that this driver is producing. + @param ComponentName2 A Component Name 2 Protocol instance that this driver is producing. + @param DriverConfiguration A Driver Configuration Protocol instance that this driver is producing. + @param DriverConfiguration2 A Driver Configuration Protocol 2 instance that this driver is producing. + @param DriverDiagnostics A Driver Diagnostics Protocol instance that this driver is producing. + @param DriverDiagnostics2 A Driver Diagnostics Protocol 2 instance that this driver is producing. + + @retval EFI_SUCCESS The protocol installation completed successfully. + @retval EFI_OUT_OF_RESOURCES There was not enough memory in pool to install all the protocols. + +**/ +EFI_STATUS +EFIAPI +EfiLibInstallAllDriverProtocols2 ( + IN CONST EFI_HANDLE ImageHandle, + IN CONST EFI_SYSTEM_TABLE *SystemTable, + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN EFI_HANDLE DriverBindingHandle, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION2_PROTOCOL *DriverConfiguration2, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS2_PROTOCOL *DriverDiagnostics2 OPTIONAL + ); + + +/** + Uninstalls Driver Binding Protocol with optional Component Name, Component Name 2, Driver + Configuration, Driver Configuration 2, Driver Diagnostics, and Driver Diagnostics 2 Protocols. + + If DriverBinding is NULL, then ASSERT(). + If the installation fails, then ASSERT(). + + + @param DriverBinding A Driver Binding Protocol instance that this driver produced. + @param ComponentName A Component Name Protocol instance that this driver produced. + @param ComponentName2 A Component Name 2 Protocol instance that this driver produced. + @param DriverConfiguration A Driver Configuration Protocol instance that this driver produced. + @param DriverConfiguration2 A Driver Configuration Protocol 2 instance that this driver produced. + @param DriverDiagnostics A Driver Diagnostics Protocol instance that this driver produced. + @param DriverDiagnostics2 A Driver Diagnostics Protocol 2 instance that this driver produced. + + @retval EFI_SUCCESS The protocol uninstallation successfully completed. + @retval Others Status from gBS->UninstallMultipleProtocolInterfaces(). + +**/ +EFI_STATUS +EFIAPI +EfiLibUninstallAllDriverProtocols2 ( + IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding, + IN CONST EFI_COMPONENT_NAME_PROTOCOL *ComponentName, OPTIONAL + IN CONST EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION_PROTOCOL *DriverConfiguration, OPTIONAL + IN CONST EFI_DRIVER_CONFIGURATION2_PROTOCOL *DriverConfiguration2, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS_PROTOCOL *DriverDiagnostics, OPTIONAL + IN CONST EFI_DRIVER_DIAGNOSTICS2_PROTOCOL *DriverDiagnostics2 OPTIONAL + ); + + +/** + Appends a formatted Unicode string to a Null-terminated Unicode string + + This function appends a formatted Unicode string to the Null-terminated + Unicode string specified by String. String is optional and may be NULL. + Storage for the formatted Unicode string returned is allocated using + AllocatePool(). The pointer to the appended string is returned. The caller + is responsible for freeing the returned string. + + If String is not NULL and not aligned on a 16-bit boundary, then ASSERT(). + If FormatString is NULL, then ASSERT(). + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] String A Null-terminated Unicode string. + @param[in] FormatString A Null-terminated Unicode format string. + @param[in] Marker VA_LIST marker for the variable argument list. + + @retval NULL There was not enough available memory. + @return Null-terminated Unicode string is that is the formatted + string appended to String. +**/ +CHAR16* +EFIAPI +CatVSPrint ( + IN CHAR16 *String, OPTIONAL + IN CONST CHAR16 *FormatString, + IN VA_LIST Marker + ); + +/** + Appends a formatted Unicode string to a Null-terminated Unicode string + + This function appends a formatted Unicode string to the Null-terminated + Unicode string specified by String. String is optional and may be NULL. + Storage for the formatted Unicode string returned is allocated using + AllocatePool(). The pointer to the appended string is returned. The caller + is responsible for freeing the returned string. + + If String is not NULL and not aligned on a 16-bit boundary, then ASSERT(). + If FormatString is NULL, then ASSERT(). + If FormatString is not aligned on a 16-bit boundary, then ASSERT(). + + @param[in] String A Null-terminated Unicode string. + @param[in] FormatString A Null-terminated Unicode format string. + @param[in] ... The variable argument list whose contents are + accessed based on the format string specified by + FormatString. + + @retval NULL There was not enough available memory. + @return Null-terminated Unicode string is that is the formatted + string appended to String. +**/ +CHAR16 * +EFIAPI +CatSPrint ( + IN CHAR16 *String, OPTIONAL + IN CONST CHAR16 *FormatString, + ... + ); + +/** + Returns an array of protocol instance that matches the given protocol. + + @param[in] Protocol Provides the protocol to search for. + @param[out] NoProtocols The number of protocols returned in Buffer. + @param[out] Buffer A pointer to the buffer to return the requested + array of protocol instances that match Protocol. + The returned buffer is allocated using + EFI_BOOT_SERVICES.AllocatePool(). The caller is + responsible for freeing this buffer with + EFI_BOOT_SERVICES.FreePool(). + + @retval EFI_SUCCESS The array of protocols was returned in Buffer, + and the number of protocols in Buffer was + returned in NoProtocols. + @retval EFI_NOT_FOUND No protocols found. + @retval EFI_OUT_OF_RESOURCES There is not enough pool memory to store the + matching results. + @retval EFI_INVALID_PARAMETER Protocol is NULL. + @retval EFI_INVALID_PARAMETER NoProtocols is NULL. + @retval EFI_INVALID_PARAMETER Buffer is NULL. + +**/ +EFI_STATUS +EFIAPI +EfiLocateProtocolBuffer ( + IN EFI_GUID *Protocol, + OUT UINTN *NoProtocols, + OUT VOID ***Buffer + ); + +/** + Open or create a file or directory, possibly creating the chain of + directories leading up to the directory. + + EfiOpenFileByDevicePath() first locates EFI_SIMPLE_FILE_SYSTEM_PROTOCOL on + FilePath, and opens the root directory of that filesystem with + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume(). + + On the remaining device path, the longest initial sequence of + FILEPATH_DEVICE_PATH nodes is node-wise traversed with + EFI_FILE_PROTOCOL.Open(). + + (As a consequence, if OpenMode includes EFI_FILE_MODE_CREATE, and Attributes + includes EFI_FILE_DIRECTORY, and each FILEPATH_DEVICE_PATH specifies a single + pathname component, then EfiOpenFileByDevicePath() ensures that the specified + series of subdirectories exist on return.) + + The EFI_FILE_PROTOCOL identified by the last FILEPATH_DEVICE_PATH node is + output to the caller; intermediate EFI_FILE_PROTOCOL instances are closed. If + there are no FILEPATH_DEVICE_PATH nodes past the node that identifies the + filesystem, then the EFI_FILE_PROTOCOL of the root directory of the + filesystem is output to the caller. If a device path node that is different + from FILEPATH_DEVICE_PATH is encountered relative to the filesystem, the + traversal is stopped with an error, and a NULL EFI_FILE_PROTOCOL is output. + + @param[in,out] FilePath On input, the device path to the file or directory + to open or create. The caller is responsible for + ensuring that the device path pointed-to by FilePath + is well-formed. On output, FilePath points one past + the last node in the original device path that has + been successfully processed. FilePath is set on + output even if EfiOpenFileByDevicePath() returns an + error. + + @param[out] File On error, File is set to NULL. On success, File is + set to the EFI_FILE_PROTOCOL of the root directory + of the filesystem, if there are no + FILEPATH_DEVICE_PATH nodes in FilePath; otherwise, + File is set to the EFI_FILE_PROTOCOL identified by + the last node in FilePath. + + @param[in] OpenMode The OpenMode parameter to pass to + EFI_FILE_PROTOCOL.Open(). + + @param[in] Attributes The Attributes parameter to pass to + EFI_FILE_PROTOCOL.Open(). + + @retval EFI_SUCCESS The file or directory has been opened or + created. + + @retval EFI_INVALID_PARAMETER FilePath is NULL; or File is NULL; or FilePath + contains a device path node, past the node + that identifies + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL, that is not a + FILEPATH_DEVICE_PATH node. + + @retval EFI_OUT_OF_RESOURCES Memory allocation failed. + + @return Error codes propagated from the + LocateDevicePath() and OpenProtocol() boot + services, and from the + EFI_SIMPLE_FILE_SYSTEM_PROTOCOL.OpenVolume() + and EFI_FILE_PROTOCOL.Open() member functions. +**/ +EFI_STATUS +EFIAPI +EfiOpenFileByDevicePath ( + IN OUT EFI_DEVICE_PATH_PROTOCOL **FilePath, + OUT EFI_FILE_PROTOCOL **File, + IN UINT64 OpenMode, + IN UINT64 Attributes + ); + +/** + This function locates next ACPI table in XSDT/RSDT based on Signature and + previous returned Table. + + If PreviousTable is NULL: + This function will locate the first ACPI table in XSDT/RSDT based on + Signature in gEfiAcpi20TableGuid system configuration table first, and then + gEfiAcpi10TableGuid system configuration table. + This function will locate in XSDT first, and then RSDT. + For DSDT, this function will locate XDsdt in FADT first, and then Dsdt in + FADT. + For FACS, this function will locate XFirmwareCtrl in FADT first, and then + FirmwareCtrl in FADT. + + If PreviousTable is not NULL: + 1. If it could be located in XSDT in gEfiAcpi20TableGuid system configuration + table, then this function will just locate next table in XSDT in + gEfiAcpi20TableGuid system configuration table. + 2. If it could be located in RSDT in gEfiAcpi20TableGuid system configuration + table, then this function will just locate next table in RSDT in + gEfiAcpi20TableGuid system configuration table. + 3. If it could be located in RSDT in gEfiAcpi10TableGuid system configuration + table, then this function will just locate next table in RSDT in + gEfiAcpi10TableGuid system configuration table. + + It's not supported that PreviousTable is not NULL but PreviousTable->Signature + is not same with Signature, NULL will be returned. + + @param Signature ACPI table signature. + @param PreviousTable Pointer to previous returned table to locate next + table, or NULL to locate first table. + + @return Next ACPI table or NULL if not found. + +**/ +EFI_ACPI_COMMON_HEADER * +EFIAPI +EfiLocateNextAcpiTable ( + IN UINT32 Signature, + IN EFI_ACPI_COMMON_HEADER *PreviousTable OPTIONAL + ); + +/** + This function locates first ACPI table in XSDT/RSDT based on Signature. + + This function will locate the first ACPI table in XSDT/RSDT based on + Signature in gEfiAcpi20TableGuid system configuration table first, and then + gEfiAcpi10TableGuid system configuration table. + This function will locate in XSDT first, and then RSDT. + For DSDT, this function will locate XDsdt in FADT first, and then Dsdt in + FADT. + For FACS, this function will locate XFirmwareCtrl in FADT first, and then + FirmwareCtrl in FADT. + + @param Signature ACPI table signature. + + @return First ACPI table or NULL if not found. + +**/ +EFI_ACPI_COMMON_HEADER * +EFIAPI +EfiLocateFirstAcpiTable ( + IN UINT32 Signature + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiRuntimeLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiRuntimeLib.h new file mode 100644 index 0000000000..dd2576bb7d --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiRuntimeLib.h @@ -0,0 +1,581 @@ +/** @file + Provides library functions for each of the UEFI Runtime Services. + Only available to DXE and UEFI module types. + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#ifndef __UEFI_RUNTIME_LIB__ +#define __UEFI_RUNTIME_LIB__ + +/** + This function allows the caller to determine if UEFI ExitBootServices() has been called. + + This function returns TRUE after all the EVT_SIGNAL_EXIT_BOOT_SERVICES functions have + executed as a result of the OS calling ExitBootServices(). Prior to this time FALSE + is returned. This function is used by runtime code to decide it is legal to access + services that go away after ExitBootServices(). + + @retval TRUE The system has finished executing the EVT_SIGNAL_EXIT_BOOT_SERVICES event. + @retval FALSE The system has not finished executing the EVT_SIGNAL_EXIT_BOOT_SERVICES event. + +**/ +BOOLEAN +EFIAPI +EfiAtRuntime ( + VOID + ); + +/** + This function allows the caller to determine if UEFI SetVirtualAddressMap() has been called. + + This function returns TRUE after all the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE functions have + executed as a result of the OS calling SetVirtualAddressMap(). Prior to this time FALSE + is returned. This function is used by runtime code to decide it is legal to access services + that go away after SetVirtualAddressMap(). + + @retval TRUE The system has finished executing the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event. + @retval FALSE The system has not finished executing the EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event. + +**/ +BOOLEAN +EFIAPI +EfiGoneVirtual ( + VOID + ); + +/** + This service is a wrapper for the UEFI Runtime Service GetTime(). + + The GetTime() function returns a time that was valid sometime during the call to the function. + While the returned EFI_TIME structure contains TimeZone and Daylight savings time information, + the actual clock does not maintain these values. The current time zone and daylight saving time + information returned by GetTime() are the values that were last set via SetTime(). + The GetTime() function should take approximately the same amount of time to read the time each + time it is called. All reported device capabilities are to be rounded up. + During runtime, if a PC-AT CMOS device is present in the platform, the caller must synchronize + access to the device before calling GetTime(). + + @param Time A pointer to storage to receive a snapshot of the current time. + @param Capabilities An optional pointer to a buffer to receive the real time clock device's + capabilities. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_INVALID_PARAMETER Time is NULL. + @retval EFI_DEVICE_ERROR The time could not be retrieved due to a hardware error. + +**/ +EFI_STATUS +EFIAPI +EfiGetTime ( + OUT EFI_TIME *Time, + OUT EFI_TIME_CAPABILITIES *Capabilities OPTIONAL + ); + +/** + This service is a wrapper for the UEFI Runtime Service SetTime(). + + The SetTime() function sets the real time clock device to the supplied time, and records the + current time zone and daylight savings time information. The SetTime() function is not allowed + to loop based on the current time. For example, if the device does not support a hardware reset + for the sub-resolution time, the code is not to implement the feature by waiting for the time to + wrap. + During runtime, if a PC-AT CMOS device is present in the platform, the caller must synchronize + access to the device before calling SetTime(). + + @param Time A pointer to the current time. Type EFI_TIME is defined in the GetTime() + function description. Full error checking is performed on the different + fields of the EFI_TIME structure (refer to the EFI_TIME definition in the + GetTime() function description for full details), and EFI_INVALID_PARAMETER + is returned if any field is out of range. + + @retval EFI_SUCCESS The operation completed successfully. + @retval EFI_INVALID_PARAMETER A time field is out of range. + @retval EFI_DEVICE_ERROR The time could not be set due to a hardware error. + +**/ +EFI_STATUS +EFIAPI +EfiSetTime ( + IN EFI_TIME *Time + ); + +/** + This service is a wrapper for the UEFI Runtime Service GetWakeupTime(). + + The alarm clock time may be rounded from the set alarm clock time to be within the resolution + of the alarm clock device. The resolution of the alarm clock device is defined to be one second. + During runtime, if a PC-AT CMOS device is present in the platform the caller must synchronize + access to the device before calling GetWakeupTime(). + + @param Enabled Indicates if the alarm is currently enabled or disabled. + @param Pending Indicates if the alarm signal is pending and requires acknowledgement. + @param Time The current alarm setting. Type EFI_TIME is defined in the GetTime() + function description. + + @retval EFI_SUCCESS The alarm settings were returned. + @retval EFI_INVALID_PARAMETER Enabled is NULL. + @retval EFI_INVALID_PARAMETER Pending is NULL. + @retval EFI_INVALID_PARAMETER Time is NULL. + @retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error. + @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform. + +**/ +EFI_STATUS +EFIAPI +EfiGetWakeupTime ( + OUT BOOLEAN *Enabled, + OUT BOOLEAN *Pending, + OUT EFI_TIME *Time + ); + +/** + This service is a wrapper for the UEFI Runtime Service SetWakeupTime() + + Setting a system wakeup alarm causes the system to wake up or power on at the set time. + When the alarm fires, the alarm signal is latched until it is acknowledged by calling SetWakeupTime() + to disable the alarm. If the alarm fires before the system is put into a sleeping or off state, + since the alarm signal is latched the system will immediately wake up. If the alarm fires while + the system is off and there is insufficient power to power on the system, the system is powered + on when power is restored. + + @param Enable Enable or disable the wakeup alarm. + @param Time If Enable is TRUE, the time to set the wakeup alarm for. Type EFI_TIME + is defined in the GetTime() function description. If Enable is FALSE, + then this parameter is optional, and may be NULL. + + @retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. + If Enable is FALSE, then the wakeup alarm was disabled. + @retval EFI_INVALID_PARAMETER A time field is out of range. + @retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error. + @retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform. + +**/ +EFI_STATUS +EFIAPI +EfiSetWakeupTime ( + IN BOOLEAN Enable, + IN EFI_TIME *Time OPTIONAL + ); + +/** + This service is a wrapper for the UEFI Runtime Service GetVariable(). + + Each vendor may create and manage its own variables without the risk of name conflicts by + using a unique VendorGuid. When a variable is set, its Attributes are supplied to indicate + how the data variable should be stored and maintained by the system. The attributes affect + when the variable may be accessed and volatility of the data. Any attempts to access a variable + that does not have the attribute set for runtime access will yield the EFI_NOT_FOUND error. + If the Data buffer is too small to hold the contents of the variable, the error EFI_BUFFER_TOO_SMALL + is returned and DataSize is set to the required buffer size to obtain the data. + + @param VariableName the name of the vendor's variable, it's a Null-Terminated Unicode String + @param VendorGuid Unify identifier for vendor. + @param Attributes Point to memory location to return the attributes of variable. If the point + is NULL, the parameter would be ignored. + @param DataSize As input, point to the maximum size of return Data-Buffer. + As output, point to the actual size of the returned Data-Buffer. + @param Data Point to return Data-Buffer. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The variable was not found. + @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result. DataSize has + been updated with the size needed to complete the request. + @retval EFI_INVALID_PARAMETER VariableName is NULL. + @retval EFI_INVALID_PARAMETER VendorGuid is NULL. + @retval EFI_INVALID_PARAMETER DataSize is NULL. + @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL. + @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error. + @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure. +**/ +EFI_STATUS +EFIAPI +EfiGetVariable ( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + OUT UINT32 *Attributes OPTIONAL, + IN OUT UINTN *DataSize, + OUT VOID *Data + ); + +/** + This service is a wrapper for the UEFI Runtime Service GetNextVariableName(). + + GetNextVariableName() is called multiple times to retrieve the VariableName and VendorGuid of + all variables currently available in the system. On each call to GetNextVariableName() the + previous results are passed into the interface, and on output the interface returns the next + variable name data. When the entire variable list has been returned, the error EFI_NOT_FOUND + is returned. + + @param VariableNameSize As input, point to maximum size of variable name. + As output, point to actual size of variable name. + @param VariableName As input, supplies the last VariableName that was returned by + GetNextVariableName(). + As output, returns the name of variable. The name + string is Null-Terminated Unicode string. + @param VendorGuid As input, supplies the last VendorGuid that was returned by + GetNextVriableName(). + As output, returns the VendorGuid of the current variable. + + @retval EFI_SUCCESS The function completed successfully. + @retval EFI_NOT_FOUND The next variable was not found. + @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result. + VariableNameSize has been updated with the size needed + to complete the request. + @retval EFI_INVALID_PARAMETER VariableNameSize is NULL. + @retval EFI_INVALID_PARAMETER VariableName is NULL. + @retval EFI_INVALID_PARAMETER VendorGuid is NULL. + @retval EFI_DEVICE_ERROR The variable name could not be retrieved due to a hardware error. + +**/ +EFI_STATUS +EFIAPI +EfiGetNextVariableName ( + IN OUT UINTN *VariableNameSize, + IN OUT CHAR16 *VariableName, + IN OUT EFI_GUID *VendorGuid + ); + +/** + This service is a wrapper for the UEFI Runtime Service GetNextVariableName() + + Variables are stored by the firmware and may maintain their values across power cycles. Each vendor + may create and manage its own variables without the risk of name conflicts by using a unique VendorGuid. + + @param VariableName the name of the vendor's variable, as a + Null-Terminated Unicode String + @param VendorGuid Unify identifier for vendor. + @param Attributes Point to memory location to return the attributes of variable. If the point + is NULL, the parameter would be ignored. + @param DataSize The size in bytes of Data-Buffer. + @param Data Point to the content of the variable. + + @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as + defined by the Attributes. + @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied, or the + DataSize exceeds the maximum allowed. + @retval EFI_INVALID_PARAMETER VariableName is an empty Unicode string. + @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data. + @retval EFI_DEVICE_ERROR The variable could not be saved due to a hardware failure. + @retval EFI_WRITE_PROTECTED The variable in question is read-only. + @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted. + @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS + set but the AuthInfo does NOT pass the validation check carried + out by the firmware. + @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found. + +**/ +EFI_STATUS +EFIAPI +EfiSetVariable ( + IN CHAR16 *VariableName, + IN EFI_GUID *VendorGuid, + IN UINT32 Attributes, + IN UINTN DataSize, + IN VOID *Data + ); + +/** + This service is a wrapper for the UEFI Runtime Service GetNextHighMonotonicCount(). + + The platform's monotonic counter is comprised of two 32-bit quantities: the high 32 bits and + the low 32 bits. During boot service time the low 32-bit value is volatile: it is reset to zero + on every system reset and is increased by 1 on every call to GetNextMonotonicCount(). The high + 32-bit value is nonvolatile and is increased by 1 whenever the system resets or whenever the low + 32-bit count (returned by GetNextMonoticCount()) overflows. + + @param HighCount Pointer to returned value. + + @retval EFI_SUCCESS The next high monotonic count was returned. + @retval EFI_DEVICE_ERROR The device is not functioning properly. + @retval EFI_INVALID_PARAMETER HighCount is NULL. + +**/ +EFI_STATUS +EFIAPI +EfiGetNextHighMonotonicCount ( + OUT UINT32 *HighCount + ); + +/** + This service is a wrapper for the UEFI Runtime Service ResetSystem(). + + The ResetSystem()function resets the entire platform, including all processors and devices,and reboots the system. + Calling this interface with ResetType of EfiResetCold causes a system-wide reset. This sets all circuitry within + the system to its initial state. This type of reset is asynchronous to system operation and operates without regard + to cycle boundaries. EfiResetCold is tantamount to a system power cycle. + Calling this interface with ResetType of EfiResetWarm causes a system-wide initialization. The processors are set to + their initial state, and pending cycles are not corrupted. If the system does not support this reset type, then an + EfiResetCold must be performed. + Calling this interface with ResetType of EfiResetShutdown causes the system to enter a power state equivalent to the + ACPI G2/S5 or G3 states. If the system does not support this reset type, then when the system is rebooted, it should + exhibit the EfiResetCold attributes. + The platform may optionally log the parameters from any non-normal reset that occurs. + The ResetSystem() function does not return. + + @param ResetType The type of reset to perform. + @param ResetStatus The status code for the reset. If the system reset is part of a normal operation, the status code + would be EFI_SUCCESS. If the system reset is due to some type of failure the most appropriate EFI + Status code would be used. + @param DataSizeThe size, in bytes, of ResetData. + @param ResetData For a ResetType of EfiResetCold, EfiResetWarm, or EfiResetShutdown the data buffer starts with a + Null-terminated Unicode string, optionally followed by additional binary data. The string is a + description that the caller may use to further indicate the reason for the system reset. ResetData + is only valid if ResetStatus is something other then EFI_SUCCESS. This pointer must be a physical + address. For a ResetType of EfiResetPlatformSpecific the data buffer also starts with a Null-terminated + string that is followed by an EFI_GUID that describes the specific type of reset to perform. +**/ +VOID +EFIAPI +EfiResetSystem ( + IN EFI_RESET_TYPE ResetType, + IN EFI_STATUS ResetStatus, + IN UINTN DataSize, + IN VOID *ResetData OPTIONAL + ); + +/** + This service is a wrapper for the UEFI Runtime Service ConvertPointer(). + + The ConvertPointer() function is used by an EFI component during the SetVirtualAddressMap() operation. + ConvertPointer()must be called using physical address pointers during the execution of SetVirtualAddressMap(). + + @param DebugDisposition Supplies type information for the pointer being converted. + @param Address The pointer to a pointer that is to be fixed to be the + value needed for the new virtual address mapping being + applied. + + @retval EFI_SUCCESS The pointer pointed to by Address was modified. + @retval EFI_NOT_FOUND The pointer pointed to by Address was not found to be part of + the current memory map. This is normally fatal. + @retval EFI_INVALID_PARAMETER Address is NULL. + @retval EFI_INVALID_PARAMETER *Address is NULL and DebugDispositio + +**/ +EFI_STATUS +EFIAPI +EfiConvertPointer ( + IN UINTN DebugDisposition, + IN OUT VOID **Address + ); + +/** + Determines the new virtual address that is to be used on subsequent memory accesses. + + For IA32, x64, and EBC, this service is a wrapper for the UEFI Runtime Service + ConvertPointer(). See the UEFI Specification for details. + For IPF, this function interprets Address as a pointer to an EFI_PLABEL structure + and both the EntryPoint and GP fields of an EFI_PLABEL are converted from physical + to virtiual addressing. Since IPF allows the GP to point to an address outside + a PE/COFF image, the physical to virtual offset for the EntryPoint field is used + to adjust the GP field. The UEFI Runtime Service ConvertPointer() is used to convert + EntryPoint and the status code for this conversion is always returned. If the convertion + of EntryPoint fails, then neither EntryPoint nor GP are modified. See the UEFI + Specification for details on the UEFI Runtime Service ConvertPointer(). + + @param DebugDisposition Supplies type information for the pointer being converted. + @param Address The pointer to a pointer that is to be fixed to be the + value needed for the new virtual address mapping being + applied. + + @return EFI_STATUS value from EfiConvertPointer(). + +**/ +EFI_STATUS +EFIAPI +EfiConvertFunctionPointer ( + IN UINTN DebugDisposition, + IN OUT VOID **Address + ); + +/** + This service is a wrapper for the UEFI Runtime Service SetVirtualAddressMap(). + + The SetVirtualAddressMap() function is used by the OS loader. The function can only be called + at runtime, and is called by the owner of the system's memory map. I.e., the component which + called ExitBootServices(). All events of type EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE must be signaled + before SetVirtualAddressMap() returns. + + @param MemoryMapSize The size in bytes of VirtualMap. + @param DescriptorSize The size in bytes of an entry in the VirtualMap. + @param DescriptorVersion The version of the structure entries in VirtualMap. + @param VirtualMap An array of memory descriptors which contain new virtual + address mapping information for all runtime ranges. Type + EFI_MEMORY_DESCRIPTOR is defined in the + GetMemoryMap() function description. + + @retval EFI_SUCCESS The virtual address map has been applied. + @retval EFI_UNSUPPORTED EFI firmware is not at runtime, or the EFI firmware is already in + virtual address mapped mode. + @retval EFI_INVALID_PARAMETER DescriptorSize or DescriptorVersion is + invalid. + @retval EFI_NO_MAPPING A virtual address was not supplied for a range in the memory + map that requires a mapping. + @retval EFI_NOT_FOUND A virtual address was supplied for an address that is not found + in the memory map. +**/ +EFI_STATUS +EFIAPI +EfiSetVirtualAddressMap ( + IN UINTN MemoryMapSize, + IN UINTN DescriptorSize, + IN UINT32 DescriptorVersion, + IN CONST EFI_MEMORY_DESCRIPTOR *VirtualMap + ); + + +/** + Convert the standard Lib double linked list to a virtual mapping. + + This service uses EfiConvertPointer() to walk a double linked list and convert all the link + pointers to their virtual mappings. This function is only guaranteed to work during the + EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event and calling it at other times has undefined results. + + @param DebugDisposition Supplies type information for the pointer being converted. + @param ListHead Head of linked list to convert. + + @retval EFI_SUCCESS Successfully executed the function. + @retval !EFI_SUCCESS Failed to execute the function. + +**/ +EFI_STATUS +EFIAPI +EfiConvertList ( + IN UINTN DebugDisposition, + IN OUT LIST_ENTRY *ListHead + ); + +/** + This service is a wrapper for the UEFI Runtime Service UpdateCapsule(). + + Passes capsules to the firmware with both virtual and physical mapping. Depending on the intended + consumption, the firmware may process the capsule immediately. If the payload should persist across a + system reset, the reset value returned from EFI_QueryCapsuleCapabilities must be passed into ResetSystem() + and will cause the capsule to be processed by the firmware as part of the reset process. + + @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules + being passed into update capsule. Each capsules is assumed to + stored in contiguous virtual memory. The capsules in the + CapsuleHeaderArray must be the same capsules as the + ScatterGatherList. The CapsuleHeaderArray must + have the capsules in the same order as the ScatterGatherList. + @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in + CaspuleHeaderArray. + @param ScatterGatherList Physical pointer to a set of + EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the + location in physical memory of a set of capsules. See Related + Definitions for an explanation of how more than one capsule is + passed via this interface. The capsules in the + ScatterGatherList must be in the same order as the + CapsuleHeaderArray. This parameter is only referenced if + the capsules are defined to persist across system reset. + + @retval EFI_SUCCESS A valid capsule was passed. If CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, + the capsule has been successfully processed by the firmware. + @retval EFI_INVALID_PARAMETER CapsuleSize is NULL, or an incompatible set of flags were + set in the capsule header. + @retval EFI_INVALID_PARAMETER CapsuleCount is 0 + @retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error. + @retval EFI_UNSUPPORTED The capsule type is not supported on this platform. + @retval EFI_OUT_OF_RESOURCES There were insufficient resources to process the capsule. + +**/ +EFI_STATUS +EFIAPI +EfiUpdateCapsule ( + IN EFI_CAPSULE_HEADER **CapsuleHeaderArray, + IN UINTN CapsuleCount, + IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL + ); + + +/** + This service is a wrapper for the UEFI Runtime Service QueryCapsuleCapabilities(). + + The QueryCapsuleCapabilities() function allows a caller to test to see if a capsule or + capsules can be updated via UpdateCapsule(). The Flags values in the capsule header and + size of the entire capsule is checked. + If the caller needs to query for generic capsule capability a fake EFI_CAPSULE_HEADER can be + constructed where CapsuleImageSize is equal to HeaderSize that is equal to sizeof + (EFI_CAPSULE_HEADER). To determine reset requirements, + CAPSULE_FLAGS_PERSIST_ACROSS_RESET should be set in the Flags field of the + EFI_CAPSULE_HEADER. + The firmware must support any capsule that has the + CAPSULE_FLAGS_PERSIST_ACROSS_RESET flag set in EFI_CAPSULE_HEADER. The + firmware sets the policy for what capsules are supported that do not have the + CAPSULE_FLAGS_PERSIST_ACROSS_RESET flag set. + + @param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules + being passed into update capsule. The capsules are assumed to + stored in contiguous virtual memory. + @param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in + CaspuleHeaderArray. + @param MaximumCapsuleSize On output the maximum size that UpdateCapsule() can + support as an argument to UpdateCapsule() via + CapsuleHeaderArray and ScatterGatherList. + Undefined on input. + @param ResetType Returns the type of reset required for the capsule update. + + @retval EFI_SUCCESS A valid answer was returned. + @retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL. + @retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and + MaximumCapsuleSize and ResetType are undefined. + @retval EFI_OUT_OF_RESOURCES There were insufficient resources to process the query request. + +**/ +EFI_STATUS +EFIAPI +EfiQueryCapsuleCapabilities ( + IN EFI_CAPSULE_HEADER **CapsuleHeaderArray, + IN UINTN CapsuleCount, + OUT UINT64 *MaximumCapsuleSize, + OUT EFI_RESET_TYPE *ResetType + ); + + +/** + This service is a wrapper for the UEFI Runtime Service QueryVariableInfo(). + + The QueryVariableInfo() function allows a caller to obtain the information about the + maximum size of the storage space available for the EFI variables, the remaining size of the storage + space available for the EFI variables and the maximum size of each individual EFI variable, + associated with the attributes specified. + The returned MaximumVariableStorageSize, RemainingVariableStorageSize, + MaximumVariableSize information may change immediately after the call based on other + runtime activities including asynchronous error events. Also, these values associated with different + attributes are not additive in nature. + + @param Attributes Attributes bitmask to specify the type of variables on + which to return information. Refer to the + GetVariable() function description. + @param MaximumVariableStorageSize + On output the maximum size of the storage space + available for the EFI variables associated with the + attributes specified. + @param RemainingVariableStorageSize + Returns the remaining size of the storage space + available for the EFI variables associated with the + attributes specified. + @param MaximumVariableSize Returns the maximum size of the individual EFI + variables associated with the attributes specified. + + @retval EFI_SUCCESS A valid answer was returned. + @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied. + @retval EFI_UNSUPPORTED EFI_UNSUPPORTED The attribute is not supported on this platform, and the + MaximumVariableStorageSize, + RemainingVariableStorageSize, MaximumVariableSize + are undefined. + +**/ +EFI_STATUS +EFIAPI +EfiQueryVariableInfo ( + IN UINT32 Attributes, + OUT UINT64 *MaximumVariableStorageSize, + OUT UINT64 *RemainingVariableStorageSize, + OUT UINT64 *MaximumVariableSize + ); + +#endif + diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h new file mode 100644 index 0000000000..daacc2a9e7 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h @@ -0,0 +1,26 @@ +/** @file + Provides a service to retrieve a pointer to the EFI Runtime Services Table. + + This library does not contain any functions or macros. It simply exports the + global variable gRT that is a pointer to the EFI Runtime Services Table as defined + in the UEFI Specification. The global variable gRT must be preinitialized to NULL. + The library constructor must set gRT to point at the EFI Runtime Services Table so + it is available at the module's entry point. Since there is overhead in initializing + this global variable, only those modules that actually require access to the EFI + Runtime Services Table should use this library. + Only available to DXE and UEFI module types. + +Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __UEFI_RUNTIME_SERVICES_TABLE_LIB_H__ +#define __UEFI_RUNTIME_SERVICES_TABLE_LIB_H__ + +/// +/// Cached copy of the EFI Runtime Services Table +/// +extern EFI_RUNTIME_SERVICES *gRT; + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiScsiLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiScsiLib.h new file mode 100644 index 0000000000..d35ee6b097 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiScsiLib.h @@ -0,0 +1,1303 @@ +/** @file + Provides the functions to submit Scsi commands defined in SCSI-2 specification for SCSI devices. + + This library class provides the functions to submit SCSI commands defined in SCSI-2 specification + for hard drive, CD and DVD devices that are the most common SCSI boot targets used by UEFI platforms. + This library class depends on SCSI I/O Protocol defined in UEFI Specification and SCSI-2 industry standard. + +Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __SCSI_LIB_H__ +#define __SCSI_LIB_H__ + +#include <Protocol/ScsiIo.h> + +/** + Execute Test Unit Ready SCSI command on a specific SCSI target. + + Executes the Test Unit Ready command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance + for the specific SCSI target. + @param[in] Timeout The timeout in 100 ns units to use for the execution + of this SCSI Request Packet. A Timeout value of + zero means that this function will wait indefinitely + for the SCSI Request Packet to execute. If Timeout + is greater than zero, then this function will return + EFI_TIMEOUT if the time required to execute the SCSI + Request Packet is greater than Timeout. + @param[in, out] SenseData A pointer to sense data that was generated by + the execution of the SCSI Request Packet. This + buffer must be allocated by the caller. + If SenseDataLength is 0, then this parameter is + optional and may be NULL. + @param[in, out] SenseDataLength On input, a pointer to the length in bytes of + the SenseData buffer. On output, a pointer to + the number of bytes written to the SenseData buffer. + @param[out] HostAdapterStatus The status of the SCSI Host Controller that produces + the SCSI bus containing the SCSI target specified by + ScsiIo when the SCSI Request Packet was executed. + See the EFI SCSI I/O Protocol in the UEFI Specification + for details on the possible return values. + @param[out] TargetStatus The status returned by the SCSI target specified + by ScsiIo when the SCSI Request Packet was executed + on the SCSI Host Controller. See the EFI SCSI I/O + Protocol in the UEFI Specification for details on + the possible return values. + + @retval EFI_SUCCESS The command was executed successfully. + See HostAdapterStatus, TargetStatus, SenseDataLength, + and SenseData in that order for additional status + information. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because + there are too many SCSI Command Packets already + queued. The SCSI Request Packet was not sent, so + no additional status information is available. + The caller may retry again later. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send + SCSI Request Packet. See HostAdapterStatus, + TargetStatus, SenseDataLength, and SenseData in that + order for additional status information. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet + is not supported by the SCSI initiator(i.e., SCSI + Host Controller). The SCSI Request Packet was not + sent, so no additional status information is available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request + Packet to execute. See HostAdapterStatus, TargetStatus, + SenseDataLength, and SenseData in that order for + additional status information. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiTestUnitReadyCommand ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus + ); + + +/** + Execute Inquiry SCSI command on a specific SCSI target. + + Executes the Inquiry command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If InquiryDataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If InquiryDataLength is non-zero and InquiryDataBuffer is not NULL, InquiryDataBuffer + must meet buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance + for the specific SCSI target. + @param[in] Timeout The timeout in 100 ns units to use for the + execution of this SCSI Request Packet. A Timeout + value of zero means that this function will wait + indefinitely for the SCSI Request Packet to execute. + If Timeout is greater than zero, then this function + will return EFI_TIMEOUT if the time required to + execute the SCSI Request Packet is greater than Timeout. + @param[in, out] SenseData A pointer to sense data that was generated + by the execution of the SCSI Request Packet. + This buffer must be allocated by the caller. + If SenseDataLength is 0, then this parameter + is optional and may be NULL. + @param[in, out] SenseDataLength On input, the length in bytes of the SenseData buffer. + On output, the number of bytes written to the SenseData buffer. + @param[out] HostAdapterStatus The status of the SCSI Host Controller that + produces the SCSI bus containing the SCSI + target specified by ScsiIo when the SCSI + Request Packet was executed. See the EFI + SCSI I/O Protocol in the UEFI Specification + for details on the possible return values. + @param[out] TargetStatus The status returned by the SCSI target specified + by ScsiIo when the SCSI Request Packet was + executed on the SCSI Host Controller. + See the EFI SCSI I/O Protocol in the UEFI + Specification for details on the possible + return values. + @param[in, out] InquiryDataBuffer A pointer to inquiry data that was generated + by the execution of the SCSI Request Packet. + This buffer must be allocated by the caller. + If InquiryDataLength is 0, then this parameter + is optional and may be NULL. + @param[in, out] InquiryDataLength On input, a pointer to the length in bytes + of the InquiryDataBuffer buffer. + On output, a pointer to the number of bytes + written to the InquiryDataBuffer buffer. + @param[in] EnableVitalProductData If TRUE, then the supported vital product + data is returned in InquiryDataBuffer. + If FALSE, then the standard inquiry data is + returned in InquiryDataBuffer. + + @retval EFI_SUCCESS The command was executed successfully. See HostAdapterStatus, + TargetStatus, SenseDataLength, and SenseData in that order + for additional status information. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire + InquiryDataBuffer could not be transferred. The actual + number of bytes transferred is returned in InquiryDataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there + are too many SCSI Command Packets already queued. + The SCSI Request Packet was not sent, so no additional + status information is available. The caller may retry again later. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI + Request Packet. See HostAdapterStatus, TargetStatus, + SenseDataLength, and SenseData in that order for additional + status information. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not + supported by the SCSI initiator(i.e., SCSI Host Controller). + The SCSI Request Packet was not sent, so no additional + status information is available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request + Packet to execute. See HostAdapterStatus, TargetStatus, + SenseDataLength, and SenseData in that order for + additional status information. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiInquiryCommand ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *InquiryDataBuffer, OPTIONAL + IN OUT UINT32 *InquiryDataLength, + IN BOOLEAN EnableVitalProductData + ); + + +/** + Execute Inquiry SCSI command on a specific SCSI target. + + Executes the Inquiry command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If InquiryDataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If InquiryDataLength is non-zero and InquiryDataBuffer is not NULL, InquiryDataBuffer + must meet buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance + for the specific SCSI target. + @param[in] Timeout The timeout in 100 ns units to use for the + execution of this SCSI Request Packet. A Timeout + value of zero means that this function will wait + indefinitely for the SCSI Request Packet to execute. + If Timeout is greater than zero, then this function + will return EFI_TIMEOUT if the time required to + execute the SCSI Request Packet is greater than Timeout. + @param[in, out] SenseData A pointer to sense data that was generated + by the execution of the SCSI Request Packet. + This buffer must be allocated by the caller. + If SenseDataLength is 0, then this parameter + is optional and may be NULL. + @param[in, out] SenseDataLength On input, the length in bytes of the SenseData buffer. + On output, the number of bytes written to the SenseData buffer. + @param[out] HostAdapterStatus The status of the SCSI Host Controller that + produces the SCSI bus containing the SCSI + target specified by ScsiIo when the SCSI + Request Packet was executed. See the EFI + SCSI I/O Protocol in the UEFI Specification + for details on the possible return values. + @param[out] TargetStatus The status returned by the SCSI target specified + by ScsiIo when the SCSI Request Packet was + executed on the SCSI Host Controller. + See the EFI SCSI I/O Protocol in the UEFI + Specification for details on the possible + return values. + @param[in, out] InquiryDataBuffer A pointer to inquiry data that was generated + by the execution of the SCSI Request Packet. + This buffer must be allocated by the caller. + If InquiryDataLength is 0, then this parameter + is optional and may be NULL. + @param[in, out] InquiryDataLength On input, a pointer to the length in bytes + of the InquiryDataBuffer buffer. + On output, a pointer to the number of bytes + written to the InquiryDataBuffer buffer. + @param[in] EnableVitalProductData If TRUE, then the supported vital product + data for the PageCode is returned in InquiryDataBuffer. + If FALSE, then the standard inquiry data is + returned in InquiryDataBuffer and PageCode is ignored. + @param[in] PageCode The page code of the vital product data. + It's ignored if EnableVitalProductData is FALSE. + + @retval EFI_SUCCESS The command executed successfully. See HostAdapterStatus, + TargetStatus, SenseDataLength, and SenseData in that order + for additional status information. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire + InquiryDataBuffer could not be transferred. The actual + number of bytes transferred is returned in InquiryDataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there + are too many SCSI Command Packets already queued. + The SCSI Request Packet was not sent, so no additional + status information is available. The caller may retry again later. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI + Request Packet. See HostAdapterStatus, TargetStatus, + SenseDataLength, and SenseData in that order for additional + status information. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not + supported by the SCSI initiator(i.e., SCSI Host Controller). + The SCSI Request Packet was not sent, so no additional + status information is available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request + Packet to execute. See HostAdapterStatus, TargetStatus, + SenseDataLength, and SenseData in that order for + additional status information. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiInquiryCommandEx ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *InquiryDataBuffer, OPTIONAL + IN OUT UINT32 *InquiryDataLength, + IN BOOLEAN EnableVitalProductData, + IN UINT8 PageCode + ); + + +/** + Execute Mode Sense(10) SCSI command on a specific SCSI target. + + Executes the SCSI Mode Sense(10) command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout + after Timeout 100 ns units. The DBDField, PageControl, and PageCode parameters + are used to construct the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to the SCSI I/O Protocol instance + for the specific SCSI target. + @param[in] Timeout The timeout in 100 ns units to use for the + execution of this SCSI Request Packet. A Timeout + value of zero means that this function will wait + indefinitely for the SCSI Request Packet to execute. + If Timeout is greater than zero, then this function + will return EFI_TIMEOUT if the time required to + execute the SCSI Request Packet is greater than Timeout. + @param[in, out] SenseData A pointer to sense data that was generated + by the execution of the SCSI Request Packet. + This buffer must be allocated by the caller. + If SenseDataLength is 0, then this parameter + is optional and may be NULL. + @param[in, out] SenseDataLength On input, the length in bytes of the SenseData buffer. + On output, the number of bytes written to the SenseData buffer. + @param[out] HostAdapterStatus The status of the SCSI Host Controller that + produces the SCSI bus containing the SCSI target + specified by ScsiIo when the SCSI Request Packet + was executed. See the EFI SCSI I/O Protocol in the + UEFI Specification for details on the possible + return values. + @param[out] TargetStatus The status returned by the SCSI target specified + by ScsiIo when the SCSI Request Packet was executed + on the SCSI Host Controller. See the EFI SCSI + I/O Protocol in the UEFI Specification for details + on the possible return values. + @param[in, out] DataBuffer A pointer to data that was generated by the + execution of the SCSI Request Packet. This + buffer must be allocated by the caller. If + DataLength is 0, then this parameter is optional + and may be NULL. + @param[in, out] DataLength On input, a pointer to the length in bytes of + the DataBuffer buffer. On output, a pointer + to the number of bytes written to the DataBuffer + buffer. + @param[in] DBDField Specifies the DBD field of the CDB for this SCSI Command. + @param[in] PageControl Specifies the PC field of the CDB for this SCSI Command. + @param[in] PageCode Specifies the Page Control field of the CDB for this SCSI Command. + + @retval EFI_SUCCESS The command was executed successfully. + See HostAdapterStatus, TargetStatus, SenseDataLength, + and SenseData in that order for additional status information. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the + entire DataBuffer could not be transferred. + The actual number of bytes transferred is returned + in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because + there are too many SCSI Command Packets already queued. + The SCSI Request Packet was not sent, so no additional + status information is available. The caller may retry + again later. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send + SCSI Request Packet. See HostAdapterStatus, TargetStatus, + SenseDataLength, and SenseData in that order for + additional status information. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet + is not supported by the SCSI initiator(i.e., SCSI + Host Controller). The SCSI Request Packet was not + sent, so no additional status information is available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI + Request Packet to execute. See HostAdapterStatus, + TargetStatus, SenseDataLength, and SenseData in that + order for additional status information. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiModeSense10Command ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT8 DBDField, OPTIONAL + IN UINT8 PageControl, + IN UINT8 PageCode + ); + + + +/** + Execute Request Sense SCSI command on a specific SCSI target. + + Executes the Request Sense command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after Timeout 100 ns units. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are + too many SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiRequestSenseCommand ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus + ); + + +/** + Execute Read Capacity SCSI command on a specific SCSI target. + + Executes the SCSI Read Capacity command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after + Timeout 100 ns units. The Pmi parameter is used to construct the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[in, out] DataLength The length of data buffer. + @param[in] Pmi Partial medium indicator. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire + DataBuffer could not be transferred. The actual + number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because + there are too many SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet + is not supported by the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiReadCapacityCommand ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN BOOLEAN Pmi + ); + + +/** + Execute Read Capacity SCSI 16 command on a specific SCSI target. + + Executes the SCSI Read Capacity 16 command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after + Timeout 100 ns units. The Pmi parameter is used to construct the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[in, out] DataLength The length of data buffer. + @param[in] Pmi Partial medium indicator. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire + DataBuffer could not be transferred. The actual + number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because + there are too many SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet + is not supported by the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiReadCapacity16Command ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN BOOLEAN Pmi + ); + + +/** + Execute Read(10) SCSI command on a specific SCSI target. + + Executes the SCSI Read(10) command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout + after Timeout 100 ns units. The StartLba and SectorSize parameters are used to + construct the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer Read 10 command data. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks of data that shall be transferred. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could + not be transferred. The actual number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiRead10Command ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT32 StartLba, + IN UINT32 SectorSize + ); + + +/** + Execute Write(10) SCSI command on a specific SCSI target. + + Executes the SCSI Write(10) command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after + Timeout 100 ns units. The StartLba and SectorSize parameters are used to construct + the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo SCSI IO Protocol to use + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks of data that shall be transferred. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could + not be transferred. The actual number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiWrite10Command ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT32 StartLba, + IN UINT32 SectorSize + ); + +/** + Execute Read(16) SCSI command on a specific SCSI target. + + Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout + after Timeout 100 ns units. The StartLba and SectorSize parameters are used to + construct the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer Read 16 command data. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks of data that shall be transferred. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could + not be transferred. The actual number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiRead16Command ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT64 StartLba, + IN UINT32 SectorSize + ); + + +/** + Execute Write(16) SCSI command on a specific SCSI target. + + Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after + Timeout 100 ns units. The StartLba and SectorSize parameters are used to construct + the CDB for this SCSI command. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo SCSI IO Protocol to use + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks of data that shall be transferred. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could + not be transferred. The actual number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiWrite16Command ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT64 StartLba, + IN UINT32 SectorSize + ); + + +/** + Execute Security Protocol In SCSI command on a specific SCSI target. + + Executes the SCSI Security Protocol In command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after + Timeout 100 ns units. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If TransferLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo SCSI IO Protocol to use. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in] SecurityProtocol The Security Protocol to use. + @param[in] SecurityProtocolSpecific The Security Protocol Specific data. + @param[in] Inc512 If TRUE, 512 increment (INC_512) bit will be set for the + SECURITY PROTOCOL IN command. + @param[in] DataLength The size in bytes of the data buffer. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[out] TransferLength A pointer to a buffer to store the size in + bytes of the data written to the data buffer. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could + not be transferred. The actual number of bytes transferred is returned in TransferLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiSecurityProtocolInCommand ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN UINT8 SecurityProtocol, + IN UINT16 SecurityProtocolSpecific, + IN BOOLEAN Inc512, + IN UINTN DataLength, + IN OUT VOID *DataBuffer, OPTIONAL + OUT UINTN *TransferLength + ); + + +/** + Execute Security Protocol Out SCSI command on a specific SCSI target. + + Executes the SCSI Security Protocol Out command on the SCSI target specified by ScsiIo. + If Timeout is zero, then this function waits indefinitely for the command to complete. + If Timeout is greater than zero, then the command is executed and will timeout after + Timeout 100 ns units. + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet buffer + alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise EFI_INVALID_PARAMETER + gets returned. + + @param[in] ScsiIo SCSI IO Protocol to use. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in] SecurityProtocol The Security Protocol to use. + @param[in] SecurityProtocolSpecific The Security Protocol Specific data. + @param[in] Inc512 If TRUE, 512 increment (INC_512) bit will be set for the + SECURITY PROTOCOL OUT command. + @param[in] DataLength The size in bytes of the transfer data. + @param[in, out] DataBuffer A pointer to a data buffer. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, but the entire DataBuffer could + not be transferred. The actual number of bytes transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported by + the SCSI initiator(i.e., SCSI Host Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet are invalid. + +**/ +EFI_STATUS +EFIAPI +ScsiSecurityProtocolOutCommand ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN UINT8 SecurityProtocol, + IN UINT16 SecurityProtocolSpecific, + IN BOOLEAN Inc512, + IN UINTN DataLength, + IN OUT VOID *DataBuffer OPTIONAL + ); + + +/** + Execute blocking/non-blocking Read(10) SCSI command on a specific SCSI + target. + + Executes the SCSI Read(10) command on the SCSI target specified by ScsiIo. + When Event is NULL, blocking command will be executed. Otherwise non-blocking + command will be executed. + For blocking I/O, if Timeout is zero, this function will wait indefinitely + for the command to complete. If Timeout is greater than zero, then the + command is executed and will timeout after Timeout 100 ns units. + For non-blocking I/O, if Timeout is zero, Event will be signaled only after + the command to completes. If Timeout is greater than zero, Event will also be + signaled after Timeout 100 ns units. + The StartLba and SectorSize parameters are used to construct the CDB for this + SCSI command. + + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer Read 16 command data. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks + of data that shall be transferred. + @param[in] Event If the SCSI target does not support + non-blocking I/O, then Event is ignored, + and blocking I/O is performed. If Event + is NULL, then blocking I/O is performed. + If Event is not NULL and non-blocking + I/O is supported, then non-blocking I/O + is performed, and Event will be signaled + when the SCSI Read(10) command + completes. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, + but the entire DataBuffer could not be + transferred. The actual number of bytes + transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be + sent because there are too many SCSI + Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting + to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI + Request Packet is not supported by the + SCSI initiator(i.e., SCSI Host + Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the + SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet + are invalid. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due + to a lack of resources. + +**/ +EFI_STATUS +EFIAPI +ScsiRead10CommandEx ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT32 StartLba, + IN UINT32 SectorSize, + IN EFI_EVENT Event OPTIONAL + ); + + +/** + Execute blocking/non-blocking Write(10) SCSI command on a specific SCSI + target. + + Executes the SCSI Write(10) command on the SCSI target specified by ScsiIo. + When Event is NULL, blocking command will be executed. Otherwise non-blocking + command will be executed. + For blocking I/O, if Timeout is zero, this function will wait indefinitely + for the command to complete. If Timeout is greater than zero, then the + command is executed and will timeout after Timeout 100 ns units. + For non-blocking I/O, if Timeout is zero, Event will be signaled only after + the command to completes. If Timeout is greater than zero, Event will also be + signaled after Timeout 100 ns units. + The StartLba and SectorSize parameters are used to construct the CDB for this + SCSI command. + + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + @param[in] ScsiIo SCSI IO Protocol to use + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks + of data that shall be transferred. + @param[in] Event If the SCSI target does not support + non-blocking I/O, then Event is ignored, + and blocking I/O is performed. If Event + is NULL, then blocking I/O is performed. + If Event is not NULL and non-blocking + I/O is supported, then non-blocking I/O + is performed, and Event will be signaled + when the SCSI Write(10) command + completes. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, + but the entire DataBuffer could not be + transferred. The actual number of bytes + transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be + sent because there are too many SCSI + Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting + to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI + Request Packet is not supported by the + SCSI initiator(i.e., SCSI Host + Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the + SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet + are invalid. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due + to a lack of resources. + +**/ +EFI_STATUS +EFIAPI +ScsiWrite10CommandEx ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT32 StartLba, + IN UINT32 SectorSize, + IN EFI_EVENT Event OPTIONAL + ); + + +/** + Execute blocking/non-blocking Read(16) SCSI command on a specific SCSI + target. + + Executes the SCSI Read(16) command on the SCSI target specified by ScsiIo. + When Event is NULL, blocking command will be executed. Otherwise non-blocking + command will be executed. + For blocking I/O, if Timeout is zero, this function will wait indefinitely + for the command to complete. If Timeout is greater than zero, then the + command is executed and will timeout after Timeout 100 ns units. + For non-blocking I/O, if Timeout is zero, Event will be signaled only after + the command to completes. If Timeout is greater than zero, Event will also be + signaled after Timeout 100 ns units. + The StartLba and SectorSize parameters are used to construct the CDB for this + SCSI command. + + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + @param[in] ScsiIo A pointer to SCSI IO protocol. + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer Read 16 command data. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks + of data that shall be transferred. + @param[in] Event If the SCSI target does not support + non-blocking I/O, then Event is ignored, + and blocking I/O is performed. If Event + is NULL, then blocking I/O is performed. + If Event is not NULL and non-blocking + I/O is supported, then non-blocking I/O + is performed, and Event will be signaled + when the SCSI Read(16) command + completes. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, + but the entire DataBuffer could not be + transferred. The actual number of bytes + transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be + sent because there are too many SCSI + Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting + to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI + Request Packet is not supported by the + SCSI initiator(i.e., SCSI Host + Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the + SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet + are invalid. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due + to a lack of resources. + +**/ +EFI_STATUS +EFIAPI +ScsiRead16CommandEx ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT64 StartLba, + IN UINT32 SectorSize, + IN EFI_EVENT Event OPTIONAL + ); + + +/** + Execute blocking/non-blocking Write(16) SCSI command on a specific SCSI + target. + + Executes the SCSI Write(16) command on the SCSI target specified by ScsiIo. + When Event is NULL, blocking command will be executed. Otherwise non-blocking + command will be executed. + For blocking I/O, if Timeout is zero, this function will wait indefinitely + for the command to complete. If Timeout is greater than zero, then the + command is executed and will timeout after Timeout 100 ns units. + For non-blocking I/O, if Timeout is zero, Event will be signaled only after + the command to completes. If Timeout is greater than zero, Event will also be + signaled after Timeout 100 ns units. + The StartLba and SectorSize parameters are used to construct the CDB for this + SCSI command. + + If ScsiIo is NULL, then ASSERT(). + If SenseDataLength is NULL, then ASSERT(). + If HostAdapterStatus is NULL, then ASSERT(). + If TargetStatus is NULL, then ASSERT(). + If DataLength is NULL, then ASSERT(). + + If SenseDataLength is non-zero and SenseData is not NULL, SenseData must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + If DataLength is non-zero and DataBuffer is not NULL, DataBuffer must meet + buffer alignment requirement defined in EFI_SCSI_IO_PROTOCOL. Otherwise + EFI_INVALID_PARAMETER gets returned. + + @param[in] ScsiIo SCSI IO Protocol to use + @param[in] Timeout The length of timeout period. + @param[in, out] SenseData A pointer to output sense data. + @param[in, out] SenseDataLength The length of output sense data. + @param[out] HostAdapterStatus The status of Host Adapter. + @param[out] TargetStatus The status of the target. + @param[in, out] DataBuffer A pointer to a data buffer. + @param[in, out] DataLength The length of data buffer. + @param[in] StartLba The start address of LBA. + @param[in] SectorSize The number of contiguous logical blocks + of data that shall be transferred. + @param[in] Event If the SCSI target does not support + non-blocking I/O, then Event is ignored, + and blocking I/O is performed. If Event + is NULL, then blocking I/O is performed. + If Event is not NULL and non-blocking + I/O is supported, then non-blocking I/O + is performed, and Event will be signaled + when the SCSI Write(16) command + completes. + + @retval EFI_SUCCESS Command is executed successfully. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, + but the entire DataBuffer could not be + transferred. The actual number of bytes + transferred is returned in DataLength. + @retval EFI_NOT_READY The SCSI Request Packet could not be + sent because there are too many SCSI + Command Packets already queued. + @retval EFI_DEVICE_ERROR A device error occurred while attempting + to send SCSI Request Packet. + @retval EFI_UNSUPPORTED The command described by the SCSI + Request Packet is not supported by the + SCSI initiator(i.e., SCSI Host + Controller) + @retval EFI_TIMEOUT A timeout occurred while waiting for the + SCSI Request Packet to execute. + @retval EFI_INVALID_PARAMETER The contents of the SCSI Request Packet + are invalid. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due + to a lack of resources. + +**/ +EFI_STATUS +EFIAPI +ScsiWrite16CommandEx ( + IN EFI_SCSI_IO_PROTOCOL *ScsiIo, + IN UINT64 Timeout, + IN OUT VOID *SenseData, OPTIONAL + IN OUT UINT8 *SenseDataLength, + OUT UINT8 *HostAdapterStatus, + OUT UINT8 *TargetStatus, + IN OUT VOID *DataBuffer, OPTIONAL + IN OUT UINT32 *DataLength, + IN UINT64 StartLba, + IN UINT32 SectorSize, + IN EFI_EVENT Event OPTIONAL + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiUsbLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiUsbLib.h new file mode 100644 index 0000000000..256c060ea7 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UefiUsbLib.h @@ -0,0 +1,557 @@ +/** @file + Provides most USB APIs to support the Hid requests defined in USB Hid 1.1 spec + and the standard requests defined in USB 1.1 spec. + +Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + + +#ifndef __USB_DXE_LIB_H__ +#define __USB_DXE_LIB_H__ + +#include <Protocol/UsbIo.h> + +/** + Get the descriptor of the specified USB HID interface. + + Submit a UsbGetHidDescriptor() request for the USB device specified by UsbIo + and Interface, and return the HID descriptor in HidDescriptor. + If UsbIo is NULL, then ASSERT(). + If HidDescriptor is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the HID interface on the USB target. + @param HidDescriptor Pointer to the USB HID descriptor that was retrieved from + the specified USB target and interface. Type EFI_USB_HID_DESCRIPTOR + is defined in the MDE Package Industry Standard include file Usb.h. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbGetHidDescriptor ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + OUT EFI_USB_HID_DESCRIPTOR *HidDescriptor + ); + + +/** + Get the report descriptor of the specified USB HID interface. + + Submit a USB get HID report descriptor request for the USB device specified by + UsbIo and Interface, and return the report descriptor in DescriptorBuffer. + If UsbIo is NULL, then ASSERT(). + If DescriptorBuffer is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param DescriptorLength The size, in bytes, of DescriptorBuffer. + @param DescriptorBuffer A pointer to the buffer to store the report class descriptor. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_OUT_OF_RESOURCES The request could not be completed because the + buffer specified by DescriptorLength and DescriptorBuffer + is not large enough to hold the result of the request. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbGetReportDescriptor ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + IN UINT16 DescriptorLength, + OUT UINT8 *DescriptorBuffer + ); + +/** + Get the HID protocol of the specified USB HID interface. + + Submit a USB get HID protocol request for the USB device specified by UsbIo + and Interface, and return the protocol retrieved in Protocol. + If UsbIo is NULL, then ASSERT(). + If Protocol is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param Protocol A pointer to the protocol for the specified USB target. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbGetProtocolRequest ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + OUT UINT8 *Protocol + ); + +/** + Set the HID protocol of the specified USB HID interface. + + Submit a USB set HID protocol request for the USB device specified by UsbIo + and Interface, and set the protocol to the value specified by Protocol. + If UsbIo is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param Protocol The protocol value to set for the specified USB target. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbSetProtocolRequest ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + IN UINT8 Protocol + ); + +/** + Set the idle rate of the specified USB HID report. + + Submit a USB set HID report idle request for the USB device specified by UsbIo, + Interface, and ReportId, and set the idle rate to the value specified by Duration. + If UsbIo is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param ReportId The identifier of the report to retrieve. + @param Duration The idle rate to set for the specified USB target. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbSetIdleRequest ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + IN UINT8 ReportId, + IN UINT8 Duration + ); + +/** + Get the idle rate of the specified USB HID report. + + Submit a USB get HID report idle request for the USB device specified by UsbIo, + Interface, and ReportId, and return the ide rate in Duration. + If UsbIo is NULL, then ASSERT(). + If Duration is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param ReportId The identifier of the report to retrieve. + @param Duration A pointer to the idle rate retrieved from the specified USB target. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbGetIdleRequest ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + IN UINT8 ReportId, + OUT UINT8 *Duration + ); + +/** + Set the report descriptor of the specified USB HID interface. + + Submit a USB set HID report request for the USB device specified by UsbIo, + Interface, ReportId, and ReportType, and set the report descriptor using the + buffer specified by ReportLength and Report. + If UsbIo is NULL, then ASSERT(). + If Report is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param ReportId The identifier of the report to retrieve. + @param ReportType The type of report to retrieve. + @param ReportLength The size, in bytes, of Report. + @param Report A pointer to the report descriptor buffer to set. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbSetReportRequest ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + IN UINT8 ReportId, + IN UINT8 ReportType, + IN UINT16 ReportLen, + IN UINT8 *Report + ); + +/** + Get the report descriptor of the specified USB HID interface. + + Submit a USB get HID report request for the USB device specified by UsbIo, + Interface, ReportId, and ReportType, and return the report in the buffer + specified by Report. + If UsbIo is NULL, then ASSERT(). + If Report is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The index of the report interface on the USB target. + @param ReportId The identifier of the report to retrieve. + @param ReportType The type of report to retrieve. + @param ReportLength The size, in bytes, of Report. + @param Report A pointer to the buffer to store the report descriptor. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_OUT_OF_RESOURCES The request could not be completed because the + buffer specified by ReportLength and Report is not + large enough to hold the result of the request. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + +**/ +EFI_STATUS +EFIAPI +UsbGetReportRequest ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Interface, + IN UINT8 ReportId, + IN UINT8 ReportType, + IN UINT16 ReportLen, + OUT UINT8 *Report + ); + +/** + Get the descriptor of the specified USB device. + + Submit a USB get descriptor request for the USB device specified by UsbIo, Value, + and Index, and return the descriptor in the buffer specified by Descriptor. + The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Descriptor is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Value The device request value. + @param Index The device request index. + @param DescriptorLength The size, in bytes, of Descriptor. + @param Descriptor A pointer to the descriptor buffer to get. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_OUT_OF_RESOURCES The request could not be completed because the + buffer specified by DescriptorLength and Descriptor + is not large enough to hold the result of the request. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. The transfer + status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbGetDescriptor ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT16 Value, + IN UINT16 Index, + IN UINT16 DescriptorLength, + OUT VOID *Descriptor, + OUT UINT32 *Status + ); + +/** + Set the descriptor of the specified USB device. + + Submit a USB set descriptor request for the USB device specified by UsbIo, + Value, and Index, and set the descriptor using the buffer specified by DesriptorLength + and Descriptor. The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Descriptor is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Value The device request value. + @param Index The device request index. + @param DescriptorLength The size, in bytes, of Descriptor. + @param Descriptor A pointer to the descriptor buffer to set. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbSetDescriptor ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT16 Value, + IN UINT16 Index, + IN UINT16 DescriptorLength, + IN VOID *Descriptor, + OUT UINT32 *Status + ); + +/** + Get the interface setting of the specified USB device. + + Submit a USB get interface request for the USB device specified by UsbIo, + and Interface, and place the result in the buffer specified by AlternateSetting. + The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If AlternateSetting is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The interface index value. + @param AlternateSetting A pointer to the alternate setting to be retrieved. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbGetInterface ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT16 Interface, + OUT UINT16 *AlternateSetting, + OUT UINT32 *Status + ); + +/** + Set the interface setting of the specified USB device. + + Submit a USB set interface request for the USB device specified by UsbIo, and + Interface, and set the alternate setting to the value specified by AlternateSetting. + The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Interface The interface index value. + @param AlternateSetting The alternate setting to be set. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_SUCCESS The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbSetInterface ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT16 Interface, + IN UINT16 AlternateSetting, + OUT UINT32 *Status + ); + +/** + Get the device configuration. + + Submit a USB get configuration request for the USB device specified by UsbIo + and place the result in the buffer specified by ConfigurationValue. The status + of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If ConfigurationValue is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param ConfigurationValue A pointer to the device configuration to be retrieved. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbGetConfiguration ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + OUT UINT16 *ConfigurationValue, + OUT UINT32 *Status + ); + +/** + Set the device configuration. + + Submit a USB set configuration request for the USB device specified by UsbIo + and set the device configuration to the value specified by ConfigurationValue. + The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param ConfigurationValue The device configuration value to be set. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbSetConfiguration ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT16 ConfigurationValue, + OUT UINT32 *Status + ); + +/** + Set the specified feature of the specified device. + + Submit a USB set device feature request for the USB device specified by UsbIo, + Recipient, and Target to the value specified by Value. The status of the + transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Recipient The USB data recipient type (i.e. Device, Interface, Endpoint). + Type USB_TYPES_DEFINITION is defined in the MDE Package Industry + Standard include file Usb.h. + @param Value The value of the feature to be set. + @param Target The index of the device to be set. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbSetFeature ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN USB_TYPES_DEFINITION Recipient, + IN UINT16 Value, + IN UINT16 Target, + OUT UINT32 *Status + ); + +/** + Clear the specified feature of the specified device. + + Submit a USB clear device feature request for the USB device specified by UsbIo, + Recipient, and Target to the value specified by Value. The status of the transfer + is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Recipient The USB data recipient type (i.e. Device, Interface, Endpoint). + Type USB_TYPES_DEFINITION is defined in the MDE Package Industry Standard + include file Usb.h. + @param Value The value of the feature to be cleared. + @param Target The index of the device to be cleared. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbClearFeature ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN USB_TYPES_DEFINITION Recipient, + IN UINT16 Value, + IN UINT16 Target, + OUT UINT32 *Status + ); + +/** + Get the status of the specified device. + + Submit a USB device get status request for the USB device specified by UsbIo, + Recipient, and Target, and place the result in the buffer specified by DeviceStatus. + The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If DeviceStatus is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Recipient The USB data recipient type (i.e. Device, Interface, Endpoint). + Type USB_TYPES_DEFINITION is defined in the MDE Package Industry Standard + include file Usb.h. + @param Target The index of the device to be get the status of. + @param DeviceStatus A pointer to the device status to be retrieved. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + +**/ +EFI_STATUS +EFIAPI +UsbGetStatus ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN USB_TYPES_DEFINITION Recipient, + IN UINT16 Target, + OUT UINT16 *DeviceStatus, + OUT UINT32 *Status + ); + +/** + Clear halt feature of the specified usb endpoint. + + Retrieve the USB endpoint descriptor specified by UsbIo and EndPoint. + If the USB endpoint descriptor can not be retrieved, then return EFI_NOT_FOUND. + If the endpoint descriptor is found, then clear the halt feature of this USB endpoint. + The status of the transfer is returned in Status. + If UsbIo is NULL, then ASSERT(). + If Status is NULL, then ASSERT(). + + @param UsbIo A pointer to the USB I/O Protocol instance for the specific USB target. + @param Endpoint The endpoint address. + @param Status A pointer to the status of the transfer. + + @retval EFI_SUCCESS The request executed successfully. + @retval EFI_TIMEOUT A timeout occurred executing the request. + @retval EFI_DEVICE_ERROR The request failed due to a device error. + The transfer status is returned in Status. + @retval EFI_NOT_FOUND The specified USB endpoint descriptor can not be found + +**/ +EFI_STATUS +EFIAPI +UsbClearEndpointHalt ( + IN EFI_USB_IO_PROTOCOL *UsbIo, + IN UINT8 Endpoint, + OUT UINT32 *Status + ); + +#endif diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UnitTestLib.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UnitTestLib.h new file mode 100644 index 0000000000..b176a95563 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Library/UnitTestLib.h @@ -0,0 +1,757 @@ +/** @file + Provides a unit test framework. This allows tests to focus on testing logic + and the framework to focus on runnings, reporting, statistics, etc. + + Copyright (c) Microsoft Corporation.<BR> + Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent +**/ + +#ifndef __UNIT_TEST_LIB_H__ +#define __UNIT_TEST_LIB_H__ + +/// +/// Unit Test Status +/// +typedef UINT32 UNIT_TEST_STATUS; +#define UNIT_TEST_PASSED (0) +#define UNIT_TEST_ERROR_PREREQUISITE_NOT_MET (1) +#define UNIT_TEST_ERROR_TEST_FAILED (2) +#define UNIT_TEST_ERROR_CLEANUP_FAILED (3) +#define UNIT_TEST_SKIPPED (0xFFFFFFFD) +#define UNIT_TEST_RUNNING (0xFFFFFFFE) +#define UNIT_TEST_PENDING (0xFFFFFFFF) + +/// +/// Declare PcdUnitTestLogLevel bits and UnitTestLog() ErrorLevel parameter. +/// +#define UNIT_TEST_LOG_LEVEL_ERROR BIT0 +#define UNIT_TEST_LOG_LEVEL_WARN BIT1 +#define UNIT_TEST_LOG_LEVEL_INFO BIT2 +#define UNIT_TEST_LOG_LEVEL_VERBOSE BIT3 + +/// +/// Unit Test Framework Handle +/// +struct UNIT_TEST_FRAMEWORK_OBJECT; +typedef struct UNIT_TEST_FRAMEWORK_OBJECT *UNIT_TEST_FRAMEWORK_HANDLE; + +/// +/// Unit Test Suite Handle +/// +struct UNIT_TEST_SUITE_OBJECT; +typedef struct UNIT_TEST_SUITE_OBJECT *UNIT_TEST_SUITE_HANDLE; + +/// +/// Unit Test Handle +/// +struct UNIT_TEST_OBJECT; +typedef struct UNIT_TEST_OBJECT *UNIT_TEST_HANDLE; + +/// +/// Unit Test Context +/// +typedef VOID* UNIT_TEST_CONTEXT; + +/** + The prototype for a single UnitTest case function. + + Functions with this prototype are registered to be dispatched by the + UnitTest framework, and results are recorded as test Pass or Fail. + + @param[in] Context [Optional] An optional parameter that enables: + 1) test-case reuse with varied parameters and + 2) test-case re-entry for Target tests that need a + reboot. This parameter is a VOID* and it is the + responsibility of the test author to ensure that the + contents are well understood by all test cases that may + consume it. + + @retval UNIT_TEST_PASSED The Unit test has completed and the test + case was successful. + @retval UNIT_TEST_ERROR_TEST_FAILED A test case assertion has failed. + +**/ +typedef +UNIT_TEST_STATUS +(EFIAPI *UNIT_TEST_FUNCTION)( + IN UNIT_TEST_CONTEXT Context + ); + +/** + Unit-Test Prerequisite Function pointer type. + + Functions with this prototype are registered to be dispatched by the unit test + framework prior to a given test case. If this prereq function returns + UNIT_TEST_ERROR_PREREQUISITE_NOT_MET, the test case will be skipped. + + @param[in] Context [Optional] An optional parameter that enables: + 1) test-case reuse with varied parameters and + 2) test-case re-entry for Target tests that need a + reboot. This parameter is a VOID* and it is the + responsibility of the test author to ensure that the + contents are well understood by all test cases that may + consume it. + + @retval UNIT_TEST_PASSED Unit test case prerequisites + are met. + @retval UNIT_TEST_ERROR_PREREQUISITE_NOT_MET Test case should be skipped. + +**/ +typedef +UNIT_TEST_STATUS +(EFIAPI *UNIT_TEST_PREREQUISITE)( + IN UNIT_TEST_CONTEXT Context + ); + +/** + Unit-Test Cleanup (after) function pointer type. + + Functions with this prototype are registered to be dispatched by the + unit test framework after a given test case. This will be called even if the + test case returns an error, but not if the prerequisite fails and the test is + skipped. The purpose of this function is to clean up any global state or + test data. + + @param[in] Context [Optional] An optional parameter that enables: + 1) test-case reuse with varied parameters and + 2) test-case re-entry for Target tests that need a + reboot. This parameter is a VOID* and it is the + responsibility of the test author to ensure that the + contents are well understood by all test cases that may + consume it. + + @retval UNIT_TEST_PASSED Test case cleanup succeeded. + @retval UNIT_TEST_ERROR_CLEANUP_FAILED Test case cleanup failed. + +**/ +typedef +VOID +(EFIAPI *UNIT_TEST_CLEANUP)( + IN UNIT_TEST_CONTEXT Context + ); + +/** + Unit-Test Test Suite Setup (before) function pointer type. Functions with this + prototype are registered to be dispatched by the UnitTest framework prior to + running any of the test cases in a test suite. It will only be run once at + the beginning of the suite (not prior to each case). + + The purpose of this function is to set up any global state or test data. +**/ +typedef +VOID +(EFIAPI *UNIT_TEST_SUITE_SETUP)( + VOID + ); + +/** + Unit-Test Test Suite Teardown (after) function pointer type. Functions with + this prototype are registered to be dispatched by the UnitTest framework after + running all of the test cases in a test suite. It will only be run once at + the end of the suite. + + The purpose of this function is to clean up any global state or test data. +**/ +typedef +VOID +(EFIAPI *UNIT_TEST_SUITE_TEARDOWN)( + VOID + ); + +/** + Method to Initialize the Unit Test framework. This function registers the + test name and also initializes the internal state of the test framework to + receive any new suites and tests. + + @param[out] FrameworkHandle Unit test framework to be created. + @param[in] Title Null-terminated ASCII string that is the user + friendly name of the framework. String is + copied. + @param[in] ShortTitle Null-terminated ASCII short string that is the + short name of the framework with no spaces. + String is copied. + @param[in] VersionString Null-terminated ASCII version string for the + framework. String is copied. + + @retval EFI_SUCCESS The unit test framework was initialized. + @retval EFI_INVALID_PARAMETER FrameworkHandle is NULL. + @retval EFI_INVALID_PARAMETER Title is NULL. + @retval EFI_INVALID_PARAMETER ShortTitle is NULL. + @retval EFI_INVALID_PARAMETER VersionString is NULL. + @retval EFI_INVALID_PARAMETER ShortTitle is invalid. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to + initialize the unit test framework. +**/ +EFI_STATUS +EFIAPI +InitUnitTestFramework ( + OUT UNIT_TEST_FRAMEWORK_HANDLE *FrameworkHandle, + IN CHAR8 *Title, + IN CHAR8 *ShortTitle, + IN CHAR8 *VersionString + ); + +/** + Registers a Unit Test Suite in the Unit Test Framework. + At least one test suite must be registered, because all test cases must be + within a unit test suite. + + @param[out] SuiteHandle Unit test suite to create + @param[in] FrameworkHandle Unit test framework to add unit test suite to + @param[in] Title Null-terminated ASCII string that is the user + friendly name of the test suite. String is + copied. + @param[in] Name Null-terminated ASCII string that is the short + name of the test suite with no spaces. String + is copied. + @param[in] Setup Setup function, runs before suite. This is an + optional parameter that may be NULL. + @param[in] Teardown Teardown function, runs after suite. This is an + optional parameter that may be NULL. + + @retval EFI_SUCCESS The unit test suite was created. + @retval EFI_INVALID_PARAMETER SuiteHandle is NULL. + @retval EFI_INVALID_PARAMETER FrameworkHandle is NULL. + @retval EFI_INVALID_PARAMETER Title is NULL. + @retval EFI_INVALID_PARAMETER Name is NULL. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to + initialize the unit test suite. +**/ +EFI_STATUS +EFIAPI +CreateUnitTestSuite ( + OUT UNIT_TEST_SUITE_HANDLE *SuiteHandle, + IN UNIT_TEST_FRAMEWORK_HANDLE FrameworkHandle, + IN CHAR8 *Title, + IN CHAR8 *Name, + IN UNIT_TEST_SUITE_SETUP Setup OPTIONAL, + IN UNIT_TEST_SUITE_TEARDOWN Teardown OPTIONAL + ); + +/** + Adds test case to Suite + + @param[in] SuiteHandle Unit test suite to add test to. + @param[in] Description Null-terminated ASCII string that is the user + friendly description of a test. String is copied. + @param[in] Name Null-terminated ASCII string that is the short name + of the test with no spaces. String is copied. + @param[in] Function Unit test function. + @param[in] Prerequisite Prerequisite function, runs before test. This is + an optional parameter that may be NULL. + @param[in] CleanUp Clean up function, runs after test. This is an + optional parameter that may be NULL. + @param[in] Context Pointer to context. This is an optional parameter + that may be NULL. + + @retval EFI_SUCCESS The unit test case was added to Suite. + @retval EFI_INVALID_PARAMETER SuiteHandle is NULL. + @retval EFI_INVALID_PARAMETER Description is NULL. + @retval EFI_INVALID_PARAMETER Name is NULL. + @retval EFI_INVALID_PARAMETER Function is NULL. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to + add the unit test case to Suite. +**/ +EFI_STATUS +EFIAPI +AddTestCase ( + IN UNIT_TEST_SUITE_HANDLE SuiteHandle, + IN CHAR8 *Description, + IN CHAR8 *Name, + IN UNIT_TEST_FUNCTION Function, + IN UNIT_TEST_PREREQUISITE Prerequisite OPTIONAL, + IN UNIT_TEST_CLEANUP CleanUp OPTIONAL, + IN UNIT_TEST_CONTEXT Context OPTIONAL + ); + +/** + Execute all unit test cases in all unit test suites added to a Framework. + + Once a unit test framework is initialized and all unit test suites and unit + test cases are registered, this function will cause the unit test framework to + dispatch all unit test cases in sequence and record the results for reporting. + + @param[in] FrameworkHandle A handle to the current running framework that + dispatched the test. Necessary for recording + certain test events with the framework. + + @retval EFI_SUCCESS All test cases were dispatched. + @retval EFI_INVALID_PARAMETER FrameworkHandle is NULL. +**/ +EFI_STATUS +EFIAPI +RunAllTestSuites ( + IN UNIT_TEST_FRAMEWORK_HANDLE FrameworkHandle + ); + +/** + Cleanup a test framework. + + After tests are run, this will teardown the entire framework and free all + allocated data within. + + @param[in] FrameworkHandle A handle to the current running framework that + dispatched the test. Necessary for recording + certain test events with the framework. + + @retval EFI_SUCCESS All resources associated with framework were + freed. + @retval EFI_INVALID_PARAMETER FrameworkHandle is NULL. +**/ +EFI_STATUS +EFIAPI +FreeUnitTestFramework ( + IN UNIT_TEST_FRAMEWORK_HANDLE FrameworkHandle + ); + +/** + Leverages a framework-specific mechanism (see UnitTestPersistenceLib if you're + a framework author) to save the state of the executing framework along with + any allocated data so that the test may be resumed upon reentry. A test case + should pass any needed context (which, to prevent an infinite loop, should be + at least the current execution count) which will be saved by the framework and + passed to the test case upon resume. + + Generally called from within a test case prior to quitting or rebooting. + + @param[in] FrameworkHandle A handle to the current running framework that + dispatched the test. Necessary for recording + certain test events with the framework. + @param[in] ContextToSave A buffer of test case-specific data to be saved + along with framework state. Will be passed as + "Context" to the test case upon resume. This + is an optional parameter that may be NULL. + @param[in] ContextToSaveSize Size of the ContextToSave buffer. + + @retval EFI_SUCCESS The framework state and context were saved. + @retval EFI_INVALID_PARAMETER FrameworkHandle is NULL. + @retval EFI_INVALID_PARAMETER ContextToSave is not NULL and + ContextToSaveSize is 0. + @retval EFI_INVALID_PARAMETER ContextToSave is >= 4GB. + @retval EFI_OUT_OF_RESOURCES There are not enough resources available to + save the framework and context state. + @retval EFI_DEVICE_ERROR The framework and context state could not be + saved to a persistent storage device due to a + device error. +**/ +EFI_STATUS +EFIAPI +SaveFrameworkState ( + IN UNIT_TEST_FRAMEWORK_HANDLE FrameworkHandle, + IN UNIT_TEST_CONTEXT ContextToSave OPTIONAL, + IN UINTN ContextToSaveSize + ); + +/** + This macro uses the framework assertion logic to check an expression for + "TRUE". If the expression evaluates to TRUE, execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] Expression Expression to be evaluated for TRUE. +**/ +#define UT_ASSERT_TRUE(Expression) \ + if(!UnitTestAssertTrue ((Expression), __FUNCTION__, __LINE__, __FILE__, #Expression)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check an expression for + "FALSE". If the expression evaluates to FALSE, execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] Expression Expression to be evaluated for FALSE. +**/ +#define UT_ASSERT_FALSE(Expression) \ + if(!UnitTestAssertFalse ((Expression), __FUNCTION__, __LINE__, __FILE__, #Expression)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check whether two simple + values are equal. If the values are equal, execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] ValueA Value to be compared for equality (64-bit comparison). + @param[in] ValueB Value to be compared for equality (64-bit comparison). +**/ +#define UT_ASSERT_EQUAL(ValueA, ValueB) \ + if(!UnitTestAssertEqual ((UINT64)(ValueA), (UINT64)(ValueB), __FUNCTION__, __LINE__, __FILE__, #ValueA, #ValueB)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check whether two memory + buffers are equal. If the buffers are equal, execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] BufferA Pointer to a buffer for comparison. + @param[in] BufferB Pointer to a buffer for comparison. + @param[in] Length Number of bytes to compare in BufferA and BufferB. +**/ +#define UT_ASSERT_MEM_EQUAL(BufferA, BufferB, Length) \ + if(!UnitTestAssertMemEqual ((VOID *)(UINTN)(BufferA), (VOID *)(UINTN)(BufferB), (UINTN)Length, __FUNCTION__, __LINE__, __FILE__, #BufferA, #BufferB)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check whether two simple + values are non-equal. If the values are non-equal, execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] ValueA Value to be compared for inequality (64-bit comparison). + @param[in] ValueB Value to be compared for inequality (64-bit comparison). +**/ +#define UT_ASSERT_NOT_EQUAL(ValueA, ValueB) \ + if(!UnitTestAssertNotEqual ((UINT64)(ValueA), (UINT64)(ValueB), __FUNCTION__, __LINE__, __FILE__, #ValueA, #ValueB)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check whether an EFI_STATUS + value is !EFI_ERROR(). If the status is !EFI_ERROR(), execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] Status EFI_STATUS value to check. +**/ +#define UT_ASSERT_NOT_EFI_ERROR(Status) \ + if(!UnitTestAssertNotEfiError ((Status), __FUNCTION__, __LINE__, __FILE__, #Status)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check whether two EFI_STATUS + values are equal. If the values are equal, execution continues. + Otherwise, the test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] Status EFI_STATUS values to compare for equality. + @param[in] Expected EFI_STATUS values to compare for equality. +**/ +#define UT_ASSERT_STATUS_EQUAL(Status, Expected) \ + if(!UnitTestAssertStatusEqual ((Status), (Expected), __FUNCTION__, __LINE__, __FILE__, #Status)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + This macro uses the framework assertion logic to check whether a pointer is + not NULL. If the pointer is not NULL, execution continues. Otherwise, the + test case immediately returns UNIT_TEST_ERROR_TEST_FAILED. + + @param[in] Pointer Pointer to be checked against NULL. +**/ +#define UT_ASSERT_NOT_NULL(Pointer) \ + if(!UnitTestAssertNotNull ((Pointer), __FUNCTION__, __LINE__, __FILE__, #Pointer)) { \ + return UNIT_TEST_ERROR_TEST_FAILED; \ + } + +/** + If Expression is TRUE, then TRUE is returned. + If Expression is FALSE, then an assert is triggered and the location of the + assert provided by FunctionName, LineNumber, FileName, and Description are + recorded and FALSE is returned. + + @param[in] Expression The BOOLEAN result of the expression evaluation. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] Description Null-terminated ASCII string of the expression being + evaluated. + + @retval TRUE Expression is TRUE. + @retval FALSE Expression is FALSE. +**/ +BOOLEAN +EFIAPI +UnitTestAssertTrue ( + IN BOOLEAN Expression, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *Description + ); + +/** + If Expression is FALSE, then TRUE is returned. + If Expression is TRUE, then an assert is triggered and the location of the + assert provided by FunctionName, LineNumber, FileName, and Description are + recorded and FALSE is returned. + + @param[in] Expression The BOOLEAN result of the expression evaluation. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] Description Null-terminated ASCII string of the expression being + evaluated. + + @retval TRUE Expression is FALSE. + @retval FALSE Expression is TRUE. +**/ +BOOLEAN +EFIAPI +UnitTestAssertFalse ( + IN BOOLEAN Expression, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *Description + ); + +/** + If Status is not an EFI_ERROR(), then TRUE is returned. + If Status is an EFI_ERROR(), then an assert is triggered and the location of + the assert provided by FunctionName, LineNumber, FileName, and Description are + recorded and FALSE is returned. + + @param[in] Status The EFI_STATUS value to evaluate. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] Description Null-terminated ASCII string of the status + expression being evaluated. + + @retval TRUE Status is not an EFI_ERROR(). + @retval FALSE Status is an EFI_ERROR(). +**/ +BOOLEAN +EFIAPI +UnitTestAssertNotEfiError ( + IN EFI_STATUS Status, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *Description + ); + +/** + If ValueA is equal ValueB, then TRUE is returned. + If ValueA is not equal to ValueB, then an assert is triggered and the location + of the assert provided by FunctionName, LineNumber, FileName, DescriptionA, + and DescriptionB are recorded and FALSE is returned. + + @param[in] ValueA 64-bit value. + @param[in] ValueB 64-bit value. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] DescriptionA Null-terminated ASCII string that is a description + of ValueA. + @param[in] DescriptionB Null-terminated ASCII string that is a description + of ValueB. + + @retval TRUE ValueA is equal to ValueB. + @retval FALSE ValueA is not equal to ValueB. +**/ +BOOLEAN +EFIAPI +UnitTestAssertEqual ( + IN UINT64 ValueA, + IN UINT64 ValueB, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *DescriptionA, + IN CONST CHAR8 *DescriptionB + ); + +/** + If the contents of BufferA are identical to the contents of BufferB, then TRUE + is returned. If the contents of BufferA are not identical to the contents of + BufferB, then an assert is triggered and the location of the assert provided + by FunctionName, LineNumber, FileName, DescriptionA, and DescriptionB are + recorded and FALSE is returned. + + @param[in] BufferA Pointer to a buffer for comparison. + @param[in] BufferB Pointer to a buffer for comparison. + @param[in] Length Number of bytes to compare in BufferA and BufferB. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] DescriptionA Null-terminated ASCII string that is a description + of BufferA. + @param[in] DescriptionB Null-terminated ASCII string that is a description + of BufferB. + + @retval TRUE The contents of BufferA are identical to the contents of + BufferB. + @retval FALSE The contents of BufferA are not identical to the contents of + BufferB. +**/ +BOOLEAN +EFIAPI +UnitTestAssertMemEqual ( + IN VOID *BufferA, + IN VOID *BufferB, + IN UINTN Length, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *DescriptionA, + IN CONST CHAR8 *DescriptionB + ); + +/** + If ValueA is not equal ValueB, then TRUE is returned. + If ValueA is equal to ValueB, then an assert is triggered and the location + of the assert provided by FunctionName, LineNumber, FileName, DescriptionA + and DescriptionB are recorded and FALSE is returned. + + @param[in] ValueA 64-bit value. + @param[in] ValueB 64-bit value. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] DescriptionA Null-terminated ASCII string that is a description + of ValueA. + @param[in] DescriptionB Null-terminated ASCII string that is a description + of ValueB. + + @retval TRUE ValueA is not equal to ValueB. + @retval FALSE ValueA is equal to ValueB. +**/ +BOOLEAN +EFIAPI +UnitTestAssertNotEqual ( + IN UINT64 ValueA, + IN UINT64 ValueB, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *DescriptionA, + IN CONST CHAR8 *DescriptionB + ); + +/** + If Status is equal to Expected, then TRUE is returned. + If Status is not equal to Expected, then an assert is triggered and the + location of the assert provided by FunctionName, LineNumber, FileName, and + Description are recorded and FALSE is returned. + + @param[in] Status EFI_STATUS value returned from an API under test. + @param[in] Expected The expected EFI_STATUS return value from an API + under test. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] Description Null-terminated ASCII string that is a description + of Status. + + @retval TRUE Status is equal to Expected. + @retval FALSE Status is not equal to Expected. +**/ +BOOLEAN +EFIAPI +UnitTestAssertStatusEqual ( + IN EFI_STATUS Status, + IN EFI_STATUS Expected, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *Description + ); + +/** + If Pointer is not equal to NULL, then TRUE is returned. + If Pointer is equal to NULL, then an assert is triggered and the location of + the assert provided by FunctionName, LineNumber, FileName, and PointerName + are recorded and FALSE is returned. + + @param[in] Pointer Pointer value to be checked against NULL. + @param[in] Expected The expected EFI_STATUS return value from a function + under test. + @param[in] FunctionName Null-terminated ASCII string of the function + executing the assert macro. + @param[in] LineNumber The source file line number of the assert macro. + @param[in] FileName Null-terminated ASCII string of the filename + executing the assert macro. + @param[in] PointerName Null-terminated ASCII string that is a description + of Pointer. + + @retval TRUE Pointer is not equal to NULL. + @retval FALSE Pointer is equal to NULL. +**/ +BOOLEAN +EFIAPI +UnitTestAssertNotNull ( + IN VOID *Pointer, + IN CONST CHAR8 *FunctionName, + IN UINTN LineNumber, + IN CONST CHAR8 *FileName, + IN CONST CHAR8 *PointerName + ); + +/** + Test logging macro that records an ERROR message in the test framework log. + Record is associated with the currently executing test case. + + @param[in] Format Formatting string following the format defined in + MdePkg/Include/Library/PrintLib.h. + @param[in] ... Print args. +**/ +#define UT_LOG_ERROR(Format, ...) \ + UnitTestLog (UNIT_TEST_LOG_LEVEL_ERROR, Format, ##__VA_ARGS__) + +/** + Test logging macro that records a WARNING message in the test framework log. + Record is associated with the currently executing test case. + + @param[in] Format Formatting string following the format defined in + MdePkg/Include/Library/PrintLib.h. + @param[in] ... Print args. +**/ +#define UT_LOG_WARNING(Format, ...) \ + UnitTestLog (UNIT_TEST_LOG_LEVEL_WARN, Format, ##__VA_ARGS__) + +/** + Test logging macro that records an INFO message in the test framework log. + Record is associated with the currently executing test case. + + @param[in] Format Formatting string following the format defined in + MdePkg/Include/Library/PrintLib.h. + @param[in] ... Print args. +**/ +#define UT_LOG_INFO(Format, ...) \ + UnitTestLog (UNIT_TEST_LOG_LEVEL_INFO, Format, ##__VA_ARGS__) + +/** + Test logging macro that records a VERBOSE message in the test framework log. + Record is associated with the currently executing test case. + + @param[in] Format Formatting string following the format defined in + MdePkg/Include/Library/PrintLib.h. + @param[in] ... Print args. +**/ +#define UT_LOG_VERBOSE(Format, ...) \ + UnitTestLog (UNIT_TEST_LOG_LEVEL_VERBOSE, Format, ##__VA_ARGS__) + +/** + Test logging function that records a messages in the test framework log. + Record is associated with the currently executing test case. + + @param[in] ErrorLevel The error level of the unit test log message. + @param[in] Format Formatting string following the format defined in the + MdePkg/Include/Library/PrintLib.h. + @param[in] ... Print args. +**/ +VOID +EFIAPI +UnitTestLog ( + IN UINTN ErrorLevel, + IN CONST CHAR8 *Format, + ... + ); + +#endif |