part_iso.h
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/*
* (C) Copyright 2001
* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _PART_CD_H
#define _PART_CD_H
#define BRVD 0x11
#define PVD_OFFSET 0x10
typedef struct iso_boot_rec {
unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
unsigned char stand_ident[5]; /* "CD001" */
unsigned char vers; /* Version */
char ident_str[0x20]; /* Ident String "EL TORITO SPECIFICATION" */
unsigned char unused[0x20]; /* unused */
unsigned char pointer[4]; /* absolute pointer to Boot Catalog */
} iso_boot_rec_t;
typedef struct iso_pri_rec {
unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
unsigned char stand_ident[5]; /* "CD001" */
unsigned char vers; /* Version */
unsigned char unused;
char sysid[32]; /* system Identifier */
char volid[32]; /* volume Identifier */
unsigned char zeros1[8]; /* unused */
unsigned int volsiz_LE; /* volume size Little Endian */
unsigned int volsiz_BE; /* volume size Big Endian */
unsigned char zeros2[32]; /* unused */
unsigned short setsize_LE; /* volume set size LE */
unsigned short setsize_BE; /* volume set size BE */
unsigned short seqnum_LE; /* volume sequence number LE */
unsigned short seqnum_BE; /* volume sequence number BE */
unsigned short secsize_LE; /* sector size LE */
unsigned short secsize_BE; /* sector size BE */
unsigned int pathtablen_LE;/* Path Table size LE */
unsigned int pathtablen_BE;/* Path Table size BE */
unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
unsigned char rootdir[34]; /* directory record for root dir */
char volsetid[128];/* Volume set identifier */
char pubid[128]; /* Publisher identifier */
char dataprepid[128]; /* data preparer identifier */
char appid[128]; /* application identifier */
char copyr[37]; /* copyright string */
char abstractfileid[37]; /* abstract file identifier */
char bibliofileid[37]; /* bibliographic file identifier */
unsigned char creationdate[17]; /* creation date */
unsigned char modify[17]; /* modification date */
unsigned char expire[17]; /* expiring date */
unsigned char effective[17];/* effective date */
unsigned char filestruc_ver; /* file structur version */
} iso_pri_rec_t;
typedef struct iso_sup_rec {
unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
unsigned char stand_ident[5]; /* "CD001" */
unsigned char vers; /* Version */
unsigned char volumeflags; /* if bit 0 = 0 => all escape sequences are according ISO 2375 */
char sysid[32]; /* system Identifier */
char volid[32]; /* volume Identifier */
unsigned char zeros1[8]; /* unused */
unsigned int volsiz_LE; /* volume size Little Endian */
unsigned int volsiz_BE; /* volume size Big Endian */
unsigned char escapeseq[32];/* Escape sequences */
unsigned short setsize_LE; /* volume set size LE */
unsigned short setsize_BE; /* volume set size BE */
unsigned short seqnum_LE; /* volume sequence number LE */
unsigned short seqnum_BE; /* volume sequence number BE */
unsigned short secsize_LE; /* sector size LE */
unsigned short secsize_BE; /* sector size BE */
unsigned int pathtablen_LE;/* Path Table size LE */
unsigned int pathtablen_BE;/* Path Table size BE */
unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
unsigned char rootdir[34]; /* directory record for root dir */
char volsetid[128];/* Volume set identifier */
char pubid[128]; /* Publisher identifier */
char dataprepid[128]; /* data preparer identifier */
char appid[128]; /* application identifier */
char copyr[37]; /* copyright string */
char abstractfileid[37]; /* abstract file identifier */
char bibliofileid[37]; /* bibliographic file identifier */
unsigned char creationdate[17]; /* creation date */
unsigned char modify[17]; /* modification date */
unsigned char expire[17]; /* expiring date */
unsigned char effective[17];/* effective date */
unsigned char filestruc_ver; /* file structur version */
}iso_sup_rec_t;
typedef struct iso_part_rec {
unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
unsigned char stand_ident[5]; /* "CD001" */
unsigned char vers; /* Version */
unsigned char unused;
char sysid[32]; /* system Identifier */
char volid[32]; /* volume partition Identifier */
unsigned int partloc_LE; /* volume partition location LE */
unsigned int partloc_BE; /* volume partition location BE */
unsigned int partsiz_LE; /* volume partition size LE */
unsigned int partsiz_BE; /* volume partition size BE */
}iso_part_rec_t;
typedef struct iso_val_entry {
unsigned char header_id; /* Header ID must be 0x01 */
unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */
unsigned char res[2]; /* reserved */
char manu_str[0x18]; /* Ident String of manufacturer/developer */
unsigned char chk_sum[2]; /* Check sum (all words must be zero) */
unsigned char key[2]; /* key[0]=55, key[1]=0xAA */
} iso_val_entry_t;
typedef struct iso_header_entry {
unsigned char header_id; /* Header ID must be 0x90 or 0x91 */
unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */
unsigned char numentry[2]; /* number of entries */
char id_str[0x1C]; /* Ident String of sectionr */
} iso_header_entry_t;
typedef struct iso_init_def_entry {
unsigned char boot_ind; /* Boot indicator 0x88=bootable 0=not bootable */
unsigned char boot_media; /* boot Media Type: 0=no Emulation, 1=1.2MB floppy, 2=1.44MB floppy, 3=2.88MB floppy 4=hd (0x80) */
unsigned char ld_seg[2]; /* Load segment (flat model=addr/10) */
unsigned char systype; /* System Type copy of byte5 of part table */
unsigned char res; /* reserved */
unsigned char sec_cnt[2]; /* sector count in VIRTUAL Blocks (0x200) */
unsigned char rel_block_addr[4]; /* relative Block address */
} iso_init_def_entry_t;
void print_partition_cd(int dev);
#endif /* _PART_CD_H */