xref: /openbmc/u-boot/disk/part_iso.h (revision aefb8f4c)
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 long volsiz_LE;		/* volume size Little Endian */
33 	unsigned long 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 long pathtablen_LE;/* Path Table size LE */
42 	unsigned long pathtablen_BE;/* Path Table size BE */
43 	unsigned long firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
44 	unsigned long firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
45 	unsigned long firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
46 	unsigned long 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 long volsiz_LE;		/* volume size Little Endian */
71 	unsigned long 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 long pathtablen_LE;/* Path Table size LE */
80 	unsigned long pathtablen_BE;/* Path Table size BE */
81 	unsigned long firstsek_LEpathtab1_LE; /* location of first occurrence of little endian type path table */
82 	unsigned long firstsek_LEpathtab2_LE; /* location of optional occurrence of little endian type path table */
83 	unsigned long firstsek_BEpathtab1_BE; /* location of first occurrence of big endian type path table */
84 	unsigned long 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 long partloc_LE;		/* volume partition location LE */
108 	unsigned long partloc_BE;		/* volume partition location BE */
109 	unsigned long partsiz_LE;		/* volume partition size LE */
110 	unsigned long 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