| /** @file | |
| ElTorito Partitions Format Definition. | |
| Copyright (c) 2006, Intel Corporation | |
| All rights reserved. This program and the accompanying materials | |
| are licensed and made available under the terms and conditions of the BSD License | |
| which accompanies this distribution. The full text of the license may be found at | |
| http://opensource.org/licenses/bsd-license.php | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| --*/ | |
| #ifndef _ELTORITO_H_ | |
| #define _ELTORITO_H_ | |
| // | |
| // CDROM_VOLUME_DESCRIPTOR.Types | |
| // | |
| #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) | |
| // | |
| // El Torito Volume Descriptor | |
| // Note that the CDROM_VOLUME_DESCRIPTOR does not match the ISO-9660 | |
| // descriptor. For some reason descriptor used by El Torito is | |
| // different, but they start the same. The El Torito descriptor | |
| // is left shifted 1 byte starting with the SystemId. (Note this | |
| // causes the field to get unaligned) | |
| // | |
| typedef struct { | |
| UINT8 Type; | |
| CHAR8 Id[5]; // CD001 | |
| UINT8 Version; | |
| CHAR8 SystemId[26]; | |
| CHAR8 Unused[38]; | |
| UINT8 EltCatalog[4]; | |
| CHAR8 Unused2[5]; | |
| UINT32 VolSpaceSize[2]; | |
| } CDROM_VOLUME_DESCRIPTOR; | |
| // | |
| // Catalog Entry | |
| // | |
| typedef union { | |
| struct { | |
| CHAR8 Reserved[0x20]; | |
| } Unknown; | |
| // | |
| // Catalog validation entry (Catalog header) | |
| // | |
| struct { | |
| UINT8 Indicator; | |
| UINT8 PlatformId; | |
| UINT16 Reserved; | |
| CHAR8 ManufacId[24]; | |
| UINT16 Checksum; | |
| UINT16 Id55AA; | |
| } Catalog; | |
| // | |
| // Initial/Default Entry or Section Entry | |
| // | |
| struct { | |
| UINT8 Indicator; | |
| UINT8 MediaType : 4; | |
| UINT8 Reserved1 : 4; | |
| UINT16 LoadSegment; | |
| UINT8 SystemType; | |
| UINT8 Reserved2; | |
| UINT16 SectorCount; | |
| UINT32 Lba; | |
| } Boot; | |
| // | |
| // Section Header Entry | |
| // | |
| struct { | |
| UINT8 Indicator; | |
| UINT8 PlatformId; | |
| UINT16 SectionEntries; | |
| CHAR8 Id[28]; | |
| } Section; | |
| } ELTORITO_CATALOG; | |
| #pragma pack() | |
| #endif |