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/*
*****************************************************************************
*
* Copyright (c) 2011, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Advanced Micro Devices, Inc. nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***************************************************************************
*
*/
/**
* RSDP - ACPI 2.0 table RSDP
*/
typedef struct _RSDP
{
unsigned long long Signature; /* RSDP signature "RSD PTR" */
unsigned char Checksum; /* checksum of the first 20 bytes */
unsigned char OEMID[6]; /* OEM ID, "LXBIOS" */
unsigned char Revision; /* 0 for APCI 1.0, 2 for ACPI 2.0 */
unsigned int RsdtAddress; /* physical address of RSDT */
unsigned int Length; /* total length of RSDP (including extended part) */
unsigned long long XsdtAddress; /* physical address of XSDT */
unsigned char ExtendedChecksum; /* chechsum of whole table */
unsigned char Reserved[3];
} RSDP_HEADER;
/**
* DESCRIPTION_HEADER - ACPI common table header
*/
typedef struct _DESCRIPTION_HEADER
{
unsigned int Signature; /* ACPI signature (4 ASCII characters) */
unsigned int Length; /* Length of table, in bytes, including header */
unsigned char Revision; /* ACPI Specification minor version # */
unsigned char Checksum; /* To make sum of entire table == 0 */
unsigned char OEMID[6]; /* OEM identification */
unsigned char OEMTableID[8]; /* OEM table identification */
unsigned int OEMRevision; /* OEM revision number */
unsigned int CreatorID; /* ASL compiler vendor ID */
unsigned int CreatorRevision; /* ASL compiler revision number */
} DESCRIPTION_HEADER;
void* ACPI_LocateTable (IN unsigned int Signature);
void ACPI_SetTableChecksum (IN void* TablePtr);
unsigned char ACPI_GetTableChecksum (IN void* TablePtr);
unsigned char GetByteSum (IN void* pData, IN unsigned int Length);
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