1 /* 2 * (C) Copyright 2001 3 * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 #ifndef _PART_CD_H 8 #define _PART_CD_H 9 10 #define BRVD 0x11 11 #define PVD_OFFSET 0x10 12 13 14 typedef struct iso_boot_rec { 15 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 16 unsigned char stand_ident[5]; /* "CD001" */ 17 unsigned char vers; /* Version */ 18 char ident_str[0x20]; /* Ident String "EL TORITO SPECIFICATION" */ 19 unsigned char unused[0x20]; /* unused */ 20 unsigned char pointer[4]; /* absolute pointer to Boot Catalog */ 21 } iso_boot_rec_t; 22 23 24 typedef struct iso_pri_rec { 25 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 26 unsigned char stand_ident[5]; /* "CD001" */ 27 unsigned char vers; /* Version */ 28 unsigned char unused; 29 char sysid[32]; /* system Identifier */ 30 char volid[32]; /* volume Identifier */ 31 unsigned char zeros1[8]; /* unused */ 32 unsigned int volsiz_LE; /* volume size Little Endian */ 33 unsigned int volsiz_BE; /* volume size Big Endian */ 34 unsigned char zeros2[32]; /* unused */ 35 unsigned short setsize_LE; /* volume set size LE */ 36 unsigned short setsize_BE; /* volume set size BE */ 37 unsigned short seqnum_LE; /* volume sequence number LE */ 38 unsigned short seqnum_BE; /* volume sequence number BE */ 39 unsigned short secsize_LE; /* sector size LE */ 40 unsigned short secsize_BE; /* sector size BE */ 41 unsigned int pathtablen_LE;/* Path Table size LE */ 42 unsigned int pathtablen_BE;/* Path Table size BE */ 43 unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */ 44 unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */ 45 unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */ 46 unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */ 47 unsigned char rootdir[34]; /* directory record for root dir */ 48 char volsetid[128];/* Volume set identifier */ 49 char pubid[128]; /* Publisher identifier */ 50 char dataprepid[128]; /* data preparer identifier */ 51 char appid[128]; /* application identifier */ 52 char copyr[37]; /* copyright string */ 53 char abstractfileid[37]; /* abstract file identifier */ 54 char bibliofileid[37]; /* bibliographic file identifier */ 55 unsigned char creationdate[17]; /* creation date */ 56 unsigned char modify[17]; /* modification date */ 57 unsigned char expire[17]; /* expiring date */ 58 unsigned char effective[17];/* effective date */ 59 unsigned char filestruc_ver; /* file structur version */ 60 } iso_pri_rec_t; 61 62 typedef struct iso_sup_rec { 63 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 64 unsigned char stand_ident[5]; /* "CD001" */ 65 unsigned char vers; /* Version */ 66 unsigned char volumeflags; /* if bit 0 = 0 => all escape sequences are according ISO 2375 */ 67 char sysid[32]; /* system Identifier */ 68 char volid[32]; /* volume Identifier */ 69 unsigned char zeros1[8]; /* unused */ 70 unsigned int volsiz_LE; /* volume size Little Endian */ 71 unsigned int volsiz_BE; /* volume size Big Endian */ 72 unsigned char escapeseq[32];/* Escape sequences */ 73 unsigned short setsize_LE; /* volume set size LE */ 74 unsigned short setsize_BE; /* volume set size BE */ 75 unsigned short seqnum_LE; /* volume sequence number LE */ 76 unsigned short seqnum_BE; /* volume sequence number BE */ 77 unsigned short secsize_LE; /* sector size LE */ 78 unsigned short secsize_BE; /* sector size BE */ 79 unsigned int pathtablen_LE;/* Path Table size LE */ 80 unsigned int pathtablen_BE;/* Path Table size BE */ 81 unsigned int firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */ 82 unsigned int firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */ 83 unsigned int firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */ 84 unsigned int firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */ 85 unsigned char rootdir[34]; /* directory record for root dir */ 86 char volsetid[128];/* Volume set identifier */ 87 char pubid[128]; /* Publisher identifier */ 88 char dataprepid[128]; /* data preparer identifier */ 89 char appid[128]; /* application identifier */ 90 char copyr[37]; /* copyright string */ 91 char abstractfileid[37]; /* abstract file identifier */ 92 char bibliofileid[37]; /* bibliographic file identifier */ 93 unsigned char creationdate[17]; /* creation date */ 94 unsigned char modify[17]; /* modification date */ 95 unsigned char expire[17]; /* expiring date */ 96 unsigned char effective[17];/* effective date */ 97 unsigned char filestruc_ver; /* file structur version */ 98 }iso_sup_rec_t; 99 100 typedef struct iso_part_rec { 101 unsigned char desctype; /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */ 102 unsigned char stand_ident[5]; /* "CD001" */ 103 unsigned char vers; /* Version */ 104 unsigned char unused; 105 char sysid[32]; /* system Identifier */ 106 char volid[32]; /* volume partition Identifier */ 107 unsigned int partloc_LE; /* volume partition location LE */ 108 unsigned int partloc_BE; /* volume partition location BE */ 109 unsigned int partsiz_LE; /* volume partition size LE */ 110 unsigned int partsiz_BE; /* volume partition size BE */ 111 }iso_part_rec_t; 112 113 114 typedef struct iso_val_entry { 115 unsigned char header_id; /* Header ID must be 0x01 */ 116 unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */ 117 unsigned char res[2]; /* reserved */ 118 char manu_str[0x18]; /* Ident String of manufacturer/developer */ 119 unsigned char chk_sum[2]; /* Check sum (all words must be zero) */ 120 unsigned char key[2]; /* key[0]=55, key[1]=0xAA */ 121 } iso_val_entry_t; 122 123 typedef struct iso_header_entry { 124 unsigned char header_id; /* Header ID must be 0x90 or 0x91 */ 125 unsigned char platform; /* Platform: 0=x86, 1=PowerPC, 2=MAC */ 126 unsigned char numentry[2]; /* number of entries */ 127 char id_str[0x1C]; /* Ident String of sectionr */ 128 } iso_header_entry_t; 129 130 131 typedef struct iso_init_def_entry { 132 unsigned char boot_ind; /* Boot indicator 0x88=bootable 0=not bootable */ 133 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) */ 134 unsigned char ld_seg[2]; /* Load segment (flat model=addr/10) */ 135 unsigned char systype; /* System Type copy of byte5 of part table */ 136 unsigned char res; /* reserved */ 137 unsigned char sec_cnt[2]; /* sector count in VIRTUAL Blocks (0x200) */ 138 unsigned char rel_block_addr[4]; /* relative Block address */ 139 } iso_init_def_entry_t; 140 141 142 void print_partition_cd(int dev); 143 144 #endif /* _PART_CD_H */ 145