![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to iso9660.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Qemu by Fabrice Bellard] / qemu / roms / openbios / fs / grubfs|
Return to iso9660.h CVS log | Up to [Qemu by Fabrice Bellard] / qemu / roms / openbios / fs / grubfs |
1.1 root 1: /*
2: * ISO 9660 filesystem backend for GRUB (GRand Unified Bootloader)
3: * including Rock Ridge Extensions support
4: *
5: * Copyright (C) 1998, 1999 Kousuke Takai <[email protected]>
6: *
7: * This program is free software; you can redistribute it and/or modify
8: * it under the terms of the GNU General Public License as published by
9: * the Free Software Foundation; either version 2 of the License, or
10: * (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: * GNU General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20: * MA 02110-1301, USA.
21: */
22: /*
23: * References:
24: * linux/fs/isofs/rock.[ch]
25: * mkisofs-1.11.1/diag/isoinfo.c
26: * mkisofs-1.11.1/iso9660.h
27: * (all are written by Eric Youngdale)
28: */
29:
30: /*
31: * Modified by SONE Takeshi to work with FILO
32: */
33:
34: #ifndef _ISO9660_H_
35: #define _ISO9660_H_
36:
37: #define ISO_SECTOR_BITS (11)
38: #define ISO_SECTOR_SIZE (1<<ISO_SECTOR_BITS)
39:
40: #define ISO_REGULAR 1 /* regular file */
41: #define ISO_DIRECTORY 2 /* directory */
42: #define ISO_OTHER 0 /* other file (with Rock Ridge) */
43:
44: #define RR_FLAG_PX 0x01 /* have POSIX file attributes */
45: #define RR_FLAG_NM 0x08 /* have alternate file name */
46:
47: /* POSIX file attributes for Rock Ridge extensions */
48: #define POSIX_S_IFMT 0xF000
49: #define POSIX_S_IFREG 0x8000
50: #define POSIX_S_IFDIR 0x4000
51:
52: /* volume descriptor types */
53: #define ISO_VD_PRIMARY 1
54: #define ISO_VD_END 255
55:
56: #define ISO_STANDARD_ID "CD001"
57:
58: #ifndef ASM_FILE
59:
60: typedef union {
61: uint8_t l,b;
62: } iso_8bit_t;
63:
64: typedef struct __iso_16bit {
65: uint16_t l, b;
66: } iso_16bit_t;
67:
68: typedef struct __iso_32bit {
69: uint32_t l, b;
70: } iso_32bit_t;
71:
72: typedef uint8_t iso_date_t[7];
73:
74: struct iso_directory_record {
75: iso_8bit_t length;
76: iso_8bit_t ext_attr_length;
77: iso_32bit_t extent;
78: iso_32bit_t size;
79: iso_date_t date;
80: iso_8bit_t flags;
81: iso_8bit_t file_unit_size;
82: iso_8bit_t interleave;
83: iso_16bit_t volume_seq_number;
84: iso_8bit_t name_len;
85: uint8_t name[1];
86: } __attribute__ ((packed));
87:
88: struct iso_primary_descriptor {
89: iso_8bit_t type;
90: uint8_t id[5];
91: iso_8bit_t version;
92: uint8_t _unused1[1];
93: uint8_t system_id[32];
94: uint8_t volume_id[32];
95: uint8_t _unused2[8];
96: iso_32bit_t volume_space_size;
97: uint8_t _unused3[32];
98: iso_16bit_t volume_set_size;
99: iso_16bit_t volume_seq_number;
100: iso_16bit_t logical_block_size;
101: iso_32bit_t path_table_size;
102: uint8_t type_l_path_table[4];
103: uint8_t opt_type_l_path_table[4];
104: uint8_t type_m_path_table[4];
105: uint8_t opt_type_m_path_table[4];
106: struct iso_directory_record root_directory_record;
107: uint8_t volume_set_id[128];
108: uint8_t publisher_id[128];
109: uint8_t preparer_id[128];
110: uint8_t application_id[128];
111: uint8_t copyright_file_id[37];
112: uint8_t abstract_file_id[37];
113: uint8_t bibliographic_file_id[37];
114: uint8_t creation_date[17];
115: uint8_t modification_date[17];
116: uint8_t expiration_date[17];
117: uint8_t effective_date[17];
118: iso_8bit_t file_structure_version;
119: uint8_t _unused4[1];
120: uint8_t application_data[512];
121: uint8_t _unused5[653];
122: } __attribute__ ((packed));
123:
124: struct rock_ridge {
125: uint16_t signature;
126: uint8_t len;
127: uint8_t version;
128: union {
129: struct CE {
130: iso_32bit_t extent;
131: iso_32bit_t offset;
132: iso_32bit_t size;
133: } ce;
134: struct NM {
135: iso_8bit_t flags;
136: uint8_t name[0];
137: } nm;
138: struct PX {
139: iso_32bit_t mode;
140: iso_32bit_t nlink;
141: iso_32bit_t uid;
142: iso_32bit_t gid;
143: } px;
144: struct RR {
145: iso_8bit_t flags;
146: } rr;
147: } u;
148: } __attribute__ ((packed));
149:
150: typedef union RR_ptr {
151: struct rock_ridge *rr;
152: char *ptr;
153: int i;
154: } RR_ptr_t;
155:
156: #define CHECK2(ptr, c1, c2) \
157: (*(unsigned char *)(ptr) == (c1) && \
158: *((unsigned char *)(ptr) + 1) == (c2))
159: #define CHECK4(ptr, c1, c2, c3, c4) \
160: (*(unsigned char *)(ptr) == (c1) && \
161: *((unsigned char *)(ptr) + 1) == (c2) && \
162: *((unsigned char *)(ptr) + 2) == (c3) && \
163: *((unsigned char *)(ptr) + 3) == (c4))
164:
165: #endif /* !ASM_FILE */
166:
167: #endif /* _ISO9660_H_ */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.