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a7ed1e2e | 1 | /** @file\r |
2 | Legacy Master Boot Record Format Definition.\r | |
3 | \r | |
4 | Copyright (c) 2006, Intel Corporation \r | |
5 | All rights reserved. This program and the accompanying materials \r | |
6 | are licensed and made available under the terms and conditions of the BSD License \r | |
7 | which accompanies this distribution. The full text of the license may be found at \r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
12 | \r | |
13 | --*/\r | |
14 | \r | |
15 | #ifndef _MBR_H_\r | |
16 | #define _MBR_H_\r | |
17 | \r | |
18 | #define MBR_SIGNATURE 0xaa55\r | |
19 | #define MIN_MBR_DEVICE_SIZE 0x80000\r | |
20 | #define MBR_ERRATA_PAD 0x40000 // 128 MB\r | |
21 | \r | |
22 | #define EXTENDED_DOS_PARTITION 0x05\r | |
23 | #define EXTENDED_WINDOWS_PARTITION 0x0F\r | |
24 | \r | |
25 | #define MAX_MBR_PARTITIONS 4\r | |
26 | \r | |
27 | #define PMBR_GPT_PARTITION 0xEE\r | |
28 | #define EFI_PARTITION 0xEF\r | |
29 | \r | |
30 | #define MBR_SIZE 512\r | |
31 | \r | |
32 | #pragma pack(1)\r | |
33 | //\r | |
34 | // MBR Partition Entry\r | |
35 | //\r | |
36 | typedef struct {\r | |
37 | UINT8 BootIndicator;\r | |
38 | UINT8 StartHead;\r | |
39 | UINT8 StartSector;\r | |
40 | UINT8 StartTrack;\r | |
41 | UINT8 OSIndicator;\r | |
42 | UINT8 EndHead;\r | |
43 | UINT8 EndSector;\r | |
44 | UINT8 EndTrack;\r | |
45 | UINT8 StartingLBA[4];\r | |
46 | UINT8 SizeInLBA[4];\r | |
47 | } MBR_PARTITION_RECORD;\r | |
48 | \r | |
49 | //\r | |
50 | // MBR Partition table\r | |
51 | //\r | |
52 | typedef struct {\r | |
53 | UINT8 BootStrapCode[440];\r | |
54 | UINT8 UniqueMbrSignature[4];\r | |
55 | UINT8 Unknown[2];\r | |
56 | MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS];\r | |
57 | UINT16 Signature;\r | |
58 | } MASTER_BOOT_RECORD;\r | |
59 | \r | |
60 | #pragma pack()\r | |
61 | \r | |
62 | #endif\r |