1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* $OpenBSD: cd9660_eltorito.h,v 1.4 2017/10/31 13:36:23 yasuoka Exp $ */
/* $NetBSD: cd9660_eltorito.h,v 1.5 2009/07/04 14:31:38 ahoka Exp $ */
/*
* Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
* Perez-Rathke and Ram Vedam. All rights reserved.
*
* This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
* Alan Perez-Rathke and Ram Vedam.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
* GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#ifndef _CD9660_ELTORITO_H_
#define _CD9660_ELTORITO_H_
/* Boot defines */
#define ET_ID "EL TORITO SPECIFICATION"
#define ET_SYS_X86 0
#define ET_SYS_PPC 1
#define ET_SYS_MAC 2
#define ET_SYS_EFI 0xef
#define ET_BOOT_ENTRY_SIZE 0x20
#define ET_BOOTABLE 0x88
#define ET_NOT_BOOTABLE 0
#define ET_MEDIA_NOEM 0
#define ET_MEDIA_12FDD 1
#define ET_MEDIA_144FDD 2
#define ET_MEDIA_288FDD 3
#define ET_MEDIA_HDD 4
#define ET_INDICATOR_HEADERMORE 0x90
#define ET_INDICATOR_HEADERLAST 0x91
#define ET_INDICATOR_EXTENSION 0x44
/*** Boot Structures ***/
typedef struct _boot_volume_descriptor {
u_char boot_record_indicator [ISODCL(0x00,0x00)];
u_char identifier [ISODCL(0x01,0x05)];
u_char version [ISODCL(0x06,0x06)];
u_char boot_system_identifier [ISODCL(0x07,0x26)];
u_char unused1 [ISODCL(0x27,0x46)];
u_char boot_catalog_pointer [ISODCL(0x47,0x4A)];
u_char unused2 [ISODCL(0x4B,0x7FF)];
} boot_volume_descriptor;
typedef struct _boot_catalog_validation_entry {
u_char header_id [ISODCL(0x00,0x00)];
u_char platform_id [ISODCL(0x01,0x01)];
u_char reserved1 [ISODCL(0x02,0x03)];
u_char manufacturer [ISODCL(0x04,0x1B)];
u_char checksum [ISODCL(0x1C,0x1D)];
u_char key [ISODCL(0x1E,0x1F)];
} boot_catalog_validation_entry;
typedef struct _boot_catalog_initial_entry {
u_char boot_indicator [ISODCL(0x00,0x00)];
u_char media_type [ISODCL(0x01,0x01)];
u_char load_segment [ISODCL(0x02,0x03)];
u_char system_type [ISODCL(0x04,0x04)];
u_char unused_1 [ISODCL(0x05,0x05)];
u_char sector_count [ISODCL(0x06,0x07)];
u_char load_rba [ISODCL(0x08,0x0B)];
u_char unused_2 [ISODCL(0x0C,0x1F)];
} boot_catalog_initial_entry;
#define ET_SECTION_HEADER_MORE 0x90
#define ET_SECTION_HEADER_LAST 0x91
typedef struct _boot_catalog_section_header {
u_char header_indicator [ISODCL(0x00,0x00)];
u_char platform_id [ISODCL(0x01,0x01)];
u_char num_section_entries [ISODCL(0x02,0x03)];
u_char id_string [ISODCL(0x04,0x1F)];
} boot_catalog_section_header;
typedef struct _boot_catalog_section_entry {
u_char boot_indicator [ISODCL(0x00,0x00)];
u_char media_type [ISODCL(0x01,0x01)];
u_char load_segment [ISODCL(0x02,0x03)];
u_char system_type [ISODCL(0x04,0x04)];
u_char unused_1 [ISODCL(0x05,0x05)];
u_char sector_count [ISODCL(0x06,0x07)];
u_char load_rba [ISODCL(0x08,0x0B)];
u_char selection_criteria [ISODCL(0x0C,0x0C)];
u_char vendor_criteria [ISODCL(0x0D,0x1F)];
} boot_catalog_section_entry;
typedef struct _boot_catalog_section_entry_extension {
u_char extension_indicator [ISODCL(0x00,0x00)];
u_char flags [ISODCL(0x01,0x01)];
u_char vendor_criteria [ISODCL(0x02,0x1F)];
} boot_catalog_section_entry_extension;
#define ET_ENTRY_VE 1
#define ET_ENTRY_IE 2
#define ET_ENTRY_SH 3
#define ET_ENTRY_SE 4
#define ET_ENTRY_EX 5
struct boot_catalog_entry {
char entry_type;
union {
boot_catalog_validation_entry VE;
boot_catalog_initial_entry IE;
boot_catalog_section_header SH;
boot_catalog_section_entry SE;
boot_catalog_section_entry_extension EX;
} entry_data;
LIST_ENTRY(boot_catalog_entry) ll_struct;
};
/* Temporary structure */
struct cd9660_boot_image {
char *filename;
int size;
int sector; /* copied to LoadRBA */
int num_sectors;
unsigned int loadSegment;
u_char targetMode;
u_char system;
u_char bootable;
/*
* If the boot image exists in the filesystem
* already, this is a pointer to that node. For the sake
* of simplicity in future versions, this pointer is only
* to the node in the primary volume. This SHOULD be done
* via a hashtable lookup.
*/
struct _cd9660node *boot_image_node;
TAILQ_ENTRY(cd9660_boot_image) image_list;
int serialno;
};
#endif /* _CD9660_ELTORITO_H_ */
|
