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a7ed1e2e | 1 | /** @file\r |
3052ec6b | 2 | ElTorito Partitions Format Definition. \r |
3 | This file includes some defintions from \r | |
4 | 1. "El Torito" Bootable CD-ROM Format Specification, Version 1.0.\r | |
5 | 2. Volume and File Structure of CDROM for Information Interchange, \r | |
6 | Standard ECMA-119. (IS0 9660)\r | |
a7ed1e2e | 7 | \r |
9df063a0 HT |
8 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r |
9 | This program and the accompanying materials \r | |
a7ed1e2e | 10 | are licensed and made available under the terms and conditions of the BSD License \r |
11 | which accompanies this distribution. The full text of the license may be found at \r | |
12 | http://opensource.org/licenses/bsd-license.php \r | |
13 | \r | |
14 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
15 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
16 | \r | |
67e66cd5 | 17 | **/\r |
a7ed1e2e | 18 | \r |
19 | #ifndef _ELTORITO_H_\r | |
20 | #define _ELTORITO_H_\r | |
21 | \r | |
a2461f6b | 22 | //\r |
23 | // CDROM_VOLUME_DESCRIPTOR.Types, defined in ISO 9660\r | |
24 | //\r | |
a7ed1e2e | 25 | #define CDVOL_TYPE_STANDARD 0x0\r |
26 | #define CDVOL_TYPE_CODED 0x1\r | |
27 | #define CDVOL_TYPE_END 0xFF\r | |
28 | \r | |
1bc5d021 | 29 | ///\r |
30 | /// CDROM_VOLUME_DESCRIPTOR.Id\r | |
31 | ///\r | |
a7ed1e2e | 32 | #define CDVOL_ID "CD001"\r |
33 | \r | |
1bc5d021 | 34 | ///\r |
35 | /// CDROM_VOLUME_DESCRIPTOR.SystemId\r | |
36 | ///\r | |
a7ed1e2e | 37 | #define CDVOL_ELTORITO_ID "EL TORITO SPECIFICATION"\r |
38 | \r | |
39 | //\r | |
40 | // Indicator types\r | |
41 | //\r | |
42 | #define ELTORITO_ID_CATALOG 0x01\r | |
43 | #define ELTORITO_ID_SECTION_BOOTABLE 0x88\r | |
44 | #define ELTORITO_ID_SECTION_NOT_BOOTABLE 0x00\r | |
45 | #define ELTORITO_ID_SECTION_HEADER 0x90\r | |
46 | #define ELTORITO_ID_SECTION_HEADER_FINAL 0x91\r | |
47 | \r | |
48 | //\r | |
49 | // ELTORITO_CATALOG.Boot.MediaTypes\r | |
50 | //\r | |
51 | #define ELTORITO_NO_EMULATION 0x00\r | |
52 | #define ELTORITO_12_DISKETTE 0x01\r | |
53 | #define ELTORITO_14_DISKETTE 0x02\r | |
54 | #define ELTORITO_28_DISKETTE 0x03\r | |
55 | #define ELTORITO_HARD_DISK 0x04\r | |
56 | \r | |
57 | \r | |
766f4bc1 | 58 | #pragma pack(1)\r |
59 | \r | |
3052ec6b | 60 | /// \r |
13c31065 | 61 | /// CD-ROM Volume Descriptor\r |
3052ec6b | 62 | /// \r |
63 | typedef union { \r | |
64 | struct {\r | |
65 | UINT8 Type; \r | |
66 | CHAR8 Id[5]; ///< "CD001" \r | |
67 | CHAR8 Reserved[82];\r | |
68 | } Unknown;\r | |
69 | \r | |
1833218d | 70 | ///\r |
71 | /// Boot Record Volume Descriptor, defined in "El Torito" Specification.\r | |
72 | ///\r | |
3052ec6b | 73 | struct {\r |
74 | UINT8 Type; ///< Must be 0\r | |
75 | CHAR8 Id[5]; ///< "CD001" \r | |
76 | UINT8 Version; ///< Must be 1 \r | |
77 | CHAR8 SystemId[32]; ///< "EL TORITO SPECIFICATION" \r | |
78 | CHAR8 Unused[32]; ///< Must be 0 \r | |
79 | UINT8 EltCatalog[4]; ///< Absolute pointer to first sector of Boot Catalog\r | |
80 | CHAR8 Unused2[13]; ///< Must be 0\r | |
81 | } BootRecordVolume;\r | |
1833218d | 82 | \r |
83 | ///\r | |
84 | /// Primary Volumn Descriptor, defined in ISO 9660.\r | |
85 | ///\r | |
3052ec6b | 86 | struct {\r |
87 | UINT8 Type; \r | |
88 | CHAR8 Id[5]; ///< "CD001"\r | |
89 | UINT8 Version; \r | |
90 | UINT8 Unused; ///< Must be 0\r | |
91 | CHAR8 SystemId[32]; \r | |
92 | CHAR8 VolumeId[32]; \r | |
93 | UINT8 Unused2[8]; ///< Must be 0 \r | |
94 | UINT32 VolSpaceSize[2]; ///< the number of Logical Blocks\r | |
95 | } PrimaryVolume;\r | |
96 | \r | |
97 | } CDROM_VOLUME_DESCRIPTOR; \r | |
a7ed1e2e | 98 | \r |
1bc5d021 | 99 | ///\r |
100 | /// Catalog Entry\r | |
101 | ///\r | |
a7ed1e2e | 102 | typedef union {\r |
103 | struct {\r | |
104 | CHAR8 Reserved[0x20];\r | |
105 | } Unknown;\r | |
106 | \r | |
1bc5d021 | 107 | ///\r |
108 | /// Catalog validation entry (Catalog header)\r | |
109 | ///\r | |
a7ed1e2e | 110 | struct {\r |
1833218d | 111 | UINT8 Indicator; ///< Must be 01\r |
a7ed1e2e | 112 | UINT8 PlatformId;\r |
113 | UINT16 Reserved;\r | |
114 | CHAR8 ManufacId[24];\r | |
115 | UINT16 Checksum;\r | |
116 | UINT16 Id55AA;\r | |
117 | } Catalog;\r | |
118 | \r | |
1bc5d021 | 119 | ///\r |
120 | /// Initial/Default Entry or Section Entry\r | |
121 | ///\r | |
a7ed1e2e | 122 | struct {\r |
1833218d | 123 | UINT8 Indicator; ///< 88 = Bootable, 00 = Not Bootable\r |
a7ed1e2e | 124 | UINT8 MediaType : 4;\r |
1833218d | 125 | UINT8 Reserved1 : 4; ///< Must be 0\r |
a7ed1e2e | 126 | UINT16 LoadSegment;\r |
127 | UINT8 SystemType;\r | |
1833218d | 128 | UINT8 Reserved2; ///< Must be 0\r |
a7ed1e2e | 129 | UINT16 SectorCount;\r |
130 | UINT32 Lba;\r | |
131 | } Boot;\r | |
132 | \r | |
1bc5d021 | 133 | ///\r |
134 | /// Section Header Entry\r | |
135 | ///\r | |
a7ed1e2e | 136 | struct {\r |
1833218d | 137 | UINT8 Indicator; ///< 90 - Header, more header follw, 91 - Final Header\r |
a7ed1e2e | 138 | UINT8 PlatformId;\r |
1833218d | 139 | UINT16 SectionEntries; ///< Number of section entries following this header\r |
a7ed1e2e | 140 | CHAR8 Id[28];\r |
141 | } Section;\r | |
142 | \r | |
143 | } ELTORITO_CATALOG;\r | |
144 | \r | |
766f4bc1 | 145 | #pragma pack()\r |
146 | \r | |
a7ed1e2e | 147 | #endif\r |