eltorito.h File Reference

El Torito bootable CD-ROM specification. More...

#include <stdint.h>
#include <ipxe/iso9660.h>

Go to the source code of this file.

Data Structures
struct	eltorito_descriptor_fixed
	An El Torito Boot Record Volume Descriptor (fixed portion) More...
struct	eltorito_descriptor
	An El Torito Boot Record Volume Descriptor. More...
struct	eltorito_validation_entry
	An El Torito Boot Catalog Validation Entry. More...
struct	eltorito_boot_entry
	A bootable entry in the El Torito Boot Catalog. More...

Macros
#define	ELTORITO_LBA   17
	El Torito Boot Record Volume Descriptor block address.
#define	ELTORITO_BOOTABLE   0x88
	Boot indicator for a bootable ISO image.

Enumerations
enum	eltorito_platform_id { ELTORITO_PLATFORM_X86 = 0x00 , ELTORITO_PLATFORM_POWERPC = 0x01 , ELTORITO_PLATFORM_MAC = 0x02 }
	El Torito platform IDs. More...
enum	eltorito_media_type { ELTORITO_NO_EMULATION = 0 }
	El Torito media types. More...

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
struct eltorito_descriptor_fixed	__attribute__ ((packed))

Variables
uint8_t	type
	Descriptor type.
uint8_t	id [5]
	Identifier ("CD001")
uint8_t	version
	Version, must be 1.
uint8_t	system_id [32]
	Boot system indicator; must be "EL TORITO SPECIFICATION".
struct eltorito_descriptor_fixed	fixed
	Fixed portion.
uint8_t	unused [32]
	Unused.
uint32_t	sector
	Boot catalog sector.
uint8_t	header_id
	Header ID; must be 1.
uint8_t	platform_id
	Platform ID.
uint16_t	reserved
	Reserved.
uint8_t	id_string [24]
	ID string.
uint16_t	checksum
	Checksum word.
uint16_t	signature
	Signature; must be 0xaa55.
enum eltorito_platform_id	__attribute__
uint8_t	indicator
	Boot indicator.
uint8_t	media_type
	Media type.
uint16_t	load_segment
	Load segment.
uint8_t	filesystem
	System type.
uint8_t	reserved_a
	Unused.
uint16_t	length
	Sector count.
uint32_t	start
	Starting sector.
uint8_t	reserved_b [20]
	Unused.

Detailed Description

El Torito bootable CD-ROM specification.

Definition in file eltorito.h.

Macro Definition Documentation

ELTORITO_LBA

#define ELTORITO_LBA   17

El Torito Boot Record Volume Descriptor block address.

Definition at line 39 of file eltorito.h.

Referenced by int13_parse_eltorito().

ELTORITO_BOOTABLE

#define ELTORITO_BOOTABLE   0x88

Boot indicator for a bootable ISO image.

Definition at line 95 of file eltorito.h.

Referenced by int13_load_eltorito().

Enumeration Type Documentation

eltorito_platform_id

enum eltorito_platform_id

El Torito platform IDs.

Enumerator
ELTORITO_PLATFORM_X86
ELTORITO_PLATFORM_POWERPC
ELTORITO_PLATFORM_MAC

Definition at line 63 of file eltorito.h.

                          {
        ELTORITO_PLATFORM_X86 = 0x00,
        ELTORITO_PLATFORM_POWERPC = 0x01,
        ELTORITO_PLATFORM_MAC = 0x02,
};

eltorito_media_type

enum eltorito_media_type

El Torito media types.

Enumerator
ELTORITO_NO_EMULATION	No emulation.

Definition at line 98 of file eltorito.h.

                         {
        /** No emulation */
        ELTORITO_NO_EMULATION = 0,
};

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

__attribute__()

struct eltorito_descriptor_fixed __attribute__

(

(packed)

)

Variable Documentation

type

uint8_t type

Descriptor type.

Definition at line 1 of file eltorito.h.

id

uint8_t id[5]

Identifier ("CD001")

Definition at line 3 of file eltorito.h.

version

uint8_t version

Version, must be 1.

Definition at line 5 of file eltorito.h.

system_id

uint8_t system_id[32]

Boot system indicator; must be "EL TORITO SPECIFICATION".

Definition at line 7 of file eltorito.h.

fixed

struct eltorito_descriptor_fixed fixed

Fixed portion.

Definition at line 1 of file eltorito.h.

Referenced by PROVIDE_SERIAL(), syslog_fix_name(), tls_new_ciphertext(), and tls_send_record().

unused

uint8_t unused[32]

Unused.

Definition at line 3 of file eltorito.h.

sector

uint32_t sector

Boot catalog sector.

Definition at line 5 of file eltorito.h.

Referenced by int13_rw_sectors().

header_id

uint8_t header_id

Header ID; must be 1.

Definition at line 1 of file eltorito.h.

platform_id

uint8_t platform_id

Platform ID.

0 = 80x86 1 = PowerPC 2 = Mac

Definition at line 8 of file eltorito.h.

Referenced by ucode_exec().

reserved

uint16_t reserved

Reserved.

Definition at line 10 of file eltorito.h.

id_string

uint8_t id_string[24]

ID string.

Definition at line 12 of file eltorito.h.

Referenced by peerdisc_open().

checksum

uint16_t checksum

Checksum word.

Definition at line 14 of file eltorito.h.

signature

uint16_t signature

Signature; must be 0xaa55.

Definition at line 16 of file eltorito.h.

indicator

uint8_t indicator

Boot indicator.

Must be ELTORITO_BOOTABLE for a bootable ISO image

Definition at line 4 of file eltorito.h.

media_type

uint8_t media_type

Media type.

Definition at line 8 of file eltorito.h.

load_segment

uint16_t load_segment

Load segment.

Definition at line 10 of file eltorito.h.

filesystem

uint8_t filesystem

System type.

Definition at line 12 of file eltorito.h.

Referenced by efi_file_open_volume().

reserved_a

uint8_t reserved_a

Unused.

Definition at line 14 of file eltorito.h.

length

uint16_t length

Sector count.

Definition at line 16 of file eltorito.h.

start

uint32_t start

Starting sector.

Definition at line 18 of file eltorito.h.

reserved_b

uint8_t reserved_b[20]

Unused.

Definition at line 20 of file eltorito.h.