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[int13] Split out ISO9660 and El Torito definitions to separate heade…
…r files Signed-off-by: Michael Brown <mcb30@ipxe.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| #ifndef _IPXE_ELTORITO_H | ||
| #define _IPXE_ELTORITO_H | ||
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| /** | ||
| * @file | ||
| * | ||
| * El Torito bootable CD-ROM specification | ||
| * | ||
| */ | ||
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| FILE_LICENCE ( GPL2_OR_LATER ); | ||
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| #include <stdint.h> | ||
| #include <ipxe/iso9660.h> | ||
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| /** An El Torito Boot Record Volume Descriptor (fixed portion) */ | ||
| struct eltorito_descriptor_fixed { | ||
| /** Descriptor type */ | ||
| uint8_t type; | ||
| /** Identifier ("CD001") */ | ||
| uint8_t id[5]; | ||
| /** Version, must be 1 */ | ||
| uint8_t version; | ||
| /** Boot system indicator; must be "EL TORITO SPECIFICATION" */ | ||
| uint8_t system_id[32]; | ||
| } __attribute__ (( packed )); | ||
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| /** An El Torito Boot Record Volume Descriptor */ | ||
| struct eltorito_descriptor { | ||
| /** Fixed portion */ | ||
| struct eltorito_descriptor_fixed fixed; | ||
| /** Unused */ | ||
| uint8_t unused[32]; | ||
| /** Boot catalog sector */ | ||
| uint32_t sector; | ||
| } __attribute__ (( packed )); | ||
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| /** El Torito Boot Record Volume Descriptor block address */ | ||
| #define ELTORITO_LBA 17 | ||
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| /** An El Torito Boot Catalog Validation Entry */ | ||
| struct eltorito_validation_entry { | ||
| /** Header ID; must be 1 */ | ||
| uint8_t header_id; | ||
| /** Platform ID | ||
| * | ||
| * 0 = 80x86 | ||
| * 1 = PowerPC | ||
| * 2 = Mac | ||
| */ | ||
| uint8_t platform_id; | ||
| /** Reserved */ | ||
| uint16_t reserved; | ||
| /** ID string */ | ||
| uint8_t id_string[24]; | ||
| /** Checksum word */ | ||
| uint16_t checksum; | ||
| /** Signature; must be 0xaa55 */ | ||
| uint16_t signature; | ||
| } __attribute__ (( packed )); | ||
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| /** El Torito platform IDs */ | ||
| enum eltorito_platform_id { | ||
| ELTORITO_PLATFORM_X86 = 0x00, | ||
| ELTORITO_PLATFORM_POWERPC = 0x01, | ||
| ELTORITO_PLATFORM_MAC = 0x02, | ||
| }; | ||
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| /** A bootable entry in the El Torito Boot Catalog */ | ||
| struct eltorito_boot_entry { | ||
| /** Boot indicator | ||
| * | ||
| * Must be @c ELTORITO_BOOTABLE for a bootable ISO image | ||
| */ | ||
| uint8_t indicator; | ||
| /** Media type | ||
| * | ||
| */ | ||
| uint8_t media_type; | ||
| /** Load segment */ | ||
| uint16_t load_segment; | ||
| /** System type */ | ||
| uint8_t filesystem; | ||
| /** Unused */ | ||
| uint8_t reserved_a; | ||
| /** Sector count */ | ||
| uint16_t length; | ||
| /** Starting sector */ | ||
| uint32_t start; | ||
| /** Unused */ | ||
| uint8_t reserved_b[20]; | ||
| } __attribute__ (( packed )); | ||
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| /** Boot indicator for a bootable ISO image */ | ||
| #define ELTORITO_BOOTABLE 0x88 | ||
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| /** El Torito media types */ | ||
| enum eltorito_media_type { | ||
| /** No emulation */ | ||
| ELTORITO_NO_EMULATION = 0, | ||
| }; | ||
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| #endif /* _IPXE_ELTORITO_H */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| #ifndef _IPXE_ISO9660_H | ||
| #define _IPXE_ISO9660_H | ||
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| /** | ||
| * @file | ||
| * | ||
| * ISO9660 CD-ROM specification | ||
| * | ||
| */ | ||
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| FILE_LICENCE ( GPL2_OR_LATER ); | ||
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| #include <stdint.h> | ||
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| /** ISO9660 block size */ | ||
| #define ISO9660_BLKSIZE 2048 | ||
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| /** An ISO9660 Primary Volume Descriptor (fixed portion) */ | ||
| struct iso9660_primary_descriptor_fixed { | ||
| /** Descriptor type */ | ||
| uint8_t type; | ||
| /** Identifier ("CD001") */ | ||
| uint8_t id[5]; | ||
| } __attribute__ (( packed )); | ||
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| /** An ISO9660 Primary Volume Descriptor */ | ||
| struct iso9660_primary_descriptor { | ||
| /** Fixed portion */ | ||
| struct iso9660_primary_descriptor_fixed fixed; | ||
| } __attribute__ (( packed )); | ||
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| /** ISO9660 Primary Volume Descriptor type */ | ||
| #define ISO9660_TYPE_PRIMARY 0x01 | ||
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| /** ISO9660 Primary Volume Descriptor block address */ | ||
| #define ISO9660_PRIMARY_LBA 16 | ||
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| /** ISO9660 Boot Volume Descriptor type */ | ||
| #define ISO9660_TYPE_BOOT 0x00 | ||
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| /** ISO9660 identifier */ | ||
| #define ISO9660_ID "CD001" | ||
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| #endif /* _IPXE_ISO9660_H */ |