| /** @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 |