disk/part_iso.h

   1 /*
   2  * (C) Copyright 2001
   3  * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23 #ifndef _PART_CD_H
  24 #define _PART_CD_H
  25
  26 #define BRVD    0x11
  27 #define PVD_OFFSET 0x10
  28
  29
  30 typedef struct iso_boot_rec {
  31         unsigned char desctype;                 /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
  32         unsigned char stand_ident[5]; /* "CD001" */
  33         unsigned char vers;                                     /* Version */
  34         char                                    ident_str[0x20]; /* Ident String "EL TORITO SPECIFICATION" */
  35         unsigned char unused[0x20];             /* unused */
  36         unsigned char pointer[4];               /* absolute pointer to Boot Catalog */
  37 } iso_boot_rec_t;
  38
  39
  40 typedef struct iso_pri_rec {
  41         unsigned char desctype;                 /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
  42         unsigned char stand_ident[5]; /* "CD001" */
  43         unsigned char vers;                                     /* Version */
  44         unsigned char unused;
  45         char                                    sysid[32];              /* system Identifier */
  46         char                                    volid[32];              /* volume Identifier */
  47         unsigned char zeros1[8];                /* unused */
  48         unsigned long volsiz_LE;                /* volume size Little Endian */
  49         unsigned long volsiz_BE;                /* volume size Big Endian */
  50         unsigned char zeros2[32];               /* unused */
  51         unsigned short setsize_LE;      /* volume set size LE */
  52         unsigned short setsize_BE;      /* volume set size BE */
  53         unsigned short seqnum_LE;               /* volume sequence number LE */
  54         unsigned short seqnum_BE;               /* volume sequence number BE */
  55         unsigned short secsize_LE;      /* sector size LE */
  56         unsigned short secsize_BE;      /* sector size BE */
  57         unsigned long pathtablen_LE;/* Path Table size LE */
  58         unsigned long pathtablen_BE;/* Path Table size BE */
  59         unsigned long firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
  60         unsigned long firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
  61         unsigned long firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
  62         unsigned long firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
  63         unsigned char rootdir[34];      /* directory record for root dir */
  64         char                                    volsetid[128];/* Volume set identifier */
  65         char                                    pubid[128];             /* Publisher identifier */
  66         char                                    dataprepid[128]; /* data preparer identifier */
  67         char                                    appid[128];             /* application identifier */
  68         char                                    copyr[37];              /* copyright string */
  69         char                                    abstractfileid[37]; /* abstract file identifier */
  70         char                                    bibliofileid[37]; /* bibliographic file identifier */
  71         unsigned char creationdate[17]; /* creation date */
  72         unsigned char modify[17];               /* modification date */
  73         unsigned char expire[17];               /* expiring date */
  74         unsigned char effective[17];/* effective date */
  75         unsigned char filestruc_ver;    /* file structur version */
  76 } iso_pri_rec_t;
  77
  78 typedef struct iso_sup_rec {
  79         unsigned char desctype;                 /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
  80         unsigned char stand_ident[5]; /* "CD001" */
  81         unsigned char vers;                                     /* Version */
  82         unsigned char volumeflags;      /* if bit 0 = 0 => all escape sequences are according ISO 2375 */
  83         char                                    sysid[32];              /* system Identifier */
  84         char                                    volid[32];              /* volume Identifier */
  85         unsigned char zeros1[8];                /* unused */
  86         unsigned long volsiz_LE;                /* volume size Little Endian */
  87         unsigned long volsiz_BE;                /* volume size Big Endian */
  88         unsigned char escapeseq[32];/* Escape sequences */
  89         unsigned short setsize_LE;      /* volume set size LE */
  90         unsigned short setsize_BE;      /* volume set size BE */
  91         unsigned short seqnum_LE;               /* volume sequence number LE */
  92         unsigned short seqnum_BE;               /* volume sequence number BE */
  93         unsigned short secsize_LE;      /* sector size LE */
  94         unsigned short secsize_BE;      /* sector size BE */
  95         unsigned long pathtablen_LE;/* Path Table size LE */
  96         unsigned long pathtablen_BE;/* Path Table size BE */
  97         unsigned long firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
  98         unsigned long firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
  99         unsigned long firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
 100         unsigned long firstsek_BEpathtab2_BE; /* location of optional occurrence of big endian type path table */
 101         unsigned char rootdir[34];      /* directory record for root dir */
 102         char                                    volsetid[128];/* Volume set identifier */
 103         char                                    pubid[128];             /* Publisher identifier */
 104         char                                    dataprepid[128]; /* data preparer identifier */
 105         char                                    appid[128];             /* application identifier */
 106         char                                    copyr[37];              /* copyright string */
 107         char                                    abstractfileid[37]; /* abstract file identifier */
 108         char                                    bibliofileid[37]; /* bibliographic file identifier */
 109         unsigned char creationdate[17]; /* creation date */
 110         unsigned char modify[17];               /* modification date */
 111         unsigned char expire[17];               /* expiring date */
 112         unsigned char effective[17];/* effective date */
 113         unsigned char filestruc_ver;    /* file structur version */
 114 }iso_sup_rec_t;
 115
 116 typedef struct iso_part_rec {
 117         unsigned char desctype;                 /* type of Volume descriptor: 0 = boot record, 1 = primary, 2 = Supplement, 3 = volume part 0xff trminator */
 118         unsigned char stand_ident[5]; /* "CD001" */
 119         unsigned char vers;                                     /* Version */
 120         unsigned char unused;
 121         char                                    sysid[32];               /* system Identifier */
 122         char                                    volid[32];              /* volume partition Identifier */
 123         unsigned long partloc_LE;               /* volume partition location LE */
 124         unsigned long partloc_BE;               /* volume partition location BE */
 125         unsigned long partsiz_LE;               /* volume partition size LE */
 126         unsigned long partsiz_BE;               /* volume partition size BE */
 127 }iso_part_rec_t;
 128
 129
 130 typedef struct iso_val_entry {
 131         unsigned char   header_id;              /* Header ID must be 0x01 */
 132         unsigned char   platform;                       /* Platform: 0=x86, 1=PowerPC, 2=MAC */
 133         unsigned char res[2];                           /* reserved */
 134         char                                    manu_str[0x18]; /* Ident String of manufacturer/developer */
 135         unsigned char chk_sum[2];       /* Check sum (all words must be zero)  */
 136         unsigned char key[2];                           /* key[0]=55, key[1]=0xAA */
 137 } iso_val_entry_t;
 138
 139 typedef struct iso_header_entry {
 140         unsigned char   header_id;              /* Header ID must be 0x90 or 0x91 */
 141         unsigned char   platform;                       /* Platform: 0=x86, 1=PowerPC, 2=MAC */
 142         unsigned char numentry[2];      /* number of entries */
 143         char                                    id_str[0x1C]; /* Ident String of sectionr */
 144 } iso_header_entry_t;
 145
 146
 147 typedef struct iso_init_def_entry {
 148         unsigned char   boot_ind;                       /* Boot indicator 0x88=bootable 0=not bootable */
 149         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) */
 150         unsigned char ld_seg[2];                /* Load segment (flat model=addr/10) */
 151         unsigned char systype;                  /* System Type copy of byte5 of part table */
 152         unsigned char res;                                      /* reserved */
 153         unsigned char sec_cnt[2];               /* sector count in VIRTUAL Blocks (0x200) */
 154         unsigned char rel_block_addr[4];        /* relative Block address */
 155 } iso_init_def_entry_t;
 156
 157
 158 void print_partition_cd(int dev);
 159
 160 #endif /* _PART_CD_H */