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Diffstat (limited to 'src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/ElTorito.h')
| -rw-r--r-- | src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/ElTorito.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/ElTorito.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/ElTorito.h new file mode 100644 index 0000000000..e9b870f778 --- /dev/null +++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/ElTorito.h @@ -0,0 +1,141 @@ +/** @file + ElTorito Partitions Format Definition. + This file includes some definitions from + 1. "El Torito" Bootable CD-ROM Format Specification, Version 1.0. + 2. Volume and File Structure of CDROM for Information Interchange, + Standard ECMA-119. (IS0 9660) + +Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _ELTORITO_H_ +#define _ELTORITO_H_ + +// +// CDROM_VOLUME_DESCRIPTOR.Types, defined in ISO 9660 +// +#define CDVOL_TYPE_STANDARD 0x0 +#define CDVOL_TYPE_CODED 0x1 +#define CDVOL_TYPE_END 0xFF + +/// +/// CDROM_VOLUME_DESCRIPTOR.Id +/// +#define CDVOL_ID "CD001" + +/// +/// CDROM_VOLUME_DESCRIPTOR.SystemId +/// +#define CDVOL_ELTORITO_ID "EL TORITO SPECIFICATION" + +// +// Indicator types +// +#define ELTORITO_ID_CATALOG 0x01 +#define ELTORITO_ID_SECTION_BOOTABLE 0x88 +#define ELTORITO_ID_SECTION_NOT_BOOTABLE 0x00 +#define ELTORITO_ID_SECTION_HEADER 0x90 +#define ELTORITO_ID_SECTION_HEADER_FINAL 0x91 + +// +// ELTORITO_CATALOG.Boot.MediaTypes +// +#define ELTORITO_NO_EMULATION 0x00 +#define ELTORITO_12_DISKETTE 0x01 +#define ELTORITO_14_DISKETTE 0x02 +#define ELTORITO_28_DISKETTE 0x03 +#define ELTORITO_HARD_DISK 0x04 + + +#pragma pack(1) + +/// +/// CD-ROM Volume Descriptor +/// +typedef union { + struct { + UINT8 Type; + CHAR8 Id[5]; ///< "CD001" + CHAR8 Reserved[82]; + } Unknown; + + /// + /// Boot Record Volume Descriptor, defined in "El Torito" Specification. + /// + struct { + UINT8 Type; ///< Must be 0 + CHAR8 Id[5]; ///< "CD001" + UINT8 Version; ///< Must be 1 + CHAR8 SystemId[32]; ///< "EL TORITO SPECIFICATION" + CHAR8 Unused[32]; ///< Must be 0 + UINT8 EltCatalog[4]; ///< Absolute pointer to first sector of Boot Catalog + CHAR8 Unused2[13]; ///< Must be 0 + } BootRecordVolume; + + /// + /// Primary Volume Descriptor, defined in ISO 9660. + /// + struct { + UINT8 Type; + CHAR8 Id[5]; ///< "CD001" + UINT8 Version; + UINT8 Unused; ///< Must be 0 + CHAR8 SystemId[32]; + CHAR8 VolumeId[32]; + UINT8 Unused2[8]; ///< Must be 0 + UINT32 VolSpaceSize[2]; ///< the number of Logical Blocks + } PrimaryVolume; + +} CDROM_VOLUME_DESCRIPTOR; + +/// +/// Catalog Entry +/// +typedef union { + struct { + CHAR8 Reserved[0x20]; + } Unknown; + + /// + /// Catalog validation entry (Catalog header) + /// + struct { + UINT8 Indicator; ///< Must be 01 + UINT8 PlatformId; + UINT16 Reserved; + CHAR8 ManufacId[24]; + UINT16 Checksum; + UINT16 Id55AA; + } Catalog; + + /// + /// Initial/Default Entry or Section Entry + /// + struct { + UINT8 Indicator; ///< 88 = Bootable, 00 = Not Bootable + UINT8 MediaType : 4; + UINT8 Reserved1 : 4; ///< Must be 0 + UINT16 LoadSegment; + UINT8 SystemType; + UINT8 Reserved2; ///< Must be 0 + UINT16 SectorCount; + UINT32 Lba; + } Boot; + + /// + /// Section Header Entry + /// + struct { + UINT8 Indicator; ///< 90 - Header, more header follw, 91 - Final Header + UINT8 PlatformId; + UINT16 SectionEntries; ///< Number of section entries following this header + CHAR8 Id[28]; + } Section; + +} ELTORITO_CATALOG; + +#pragma pack() + +#endif |