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1 | /** @file\r | |
2 | Legacy Master Boot Record Format Definition.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
6 | \r | |
7 | **/\r | |
8 | \r | |
9 | #ifndef _MBR_H_\r | |
10 | #define _MBR_H_\r | |
11 | \r | |
12 | #define MBR_SIGNATURE 0xaa55\r | |
13 | \r | |
14 | #define EXTENDED_DOS_PARTITION 0x05\r | |
15 | #define EXTENDED_WINDOWS_PARTITION 0x0F\r | |
16 | \r | |
17 | #define MAX_MBR_PARTITIONS 4\r | |
18 | \r | |
19 | #define PMBR_GPT_PARTITION 0xEE\r | |
20 | #define EFI_PARTITION 0xEF\r | |
21 | \r | |
22 | #define MBR_SIZE 512\r | |
23 | \r | |
24 | #pragma pack(1)\r | |
25 | ///\r | |
26 | /// MBR Partition Entry\r | |
27 | ///\r | |
28 | typedef struct {\r | |
29 | UINT8 BootIndicator;\r | |
30 | UINT8 StartHead;\r | |
31 | UINT8 StartSector;\r | |
32 | UINT8 StartTrack;\r | |
33 | UINT8 OSIndicator;\r | |
34 | UINT8 EndHead;\r | |
35 | UINT8 EndSector;\r | |
36 | UINT8 EndTrack;\r | |
37 | UINT8 StartingLBA[4];\r | |
38 | UINT8 SizeInLBA[4];\r | |
39 | } MBR_PARTITION_RECORD;\r | |
40 | \r | |
41 | ///\r | |
42 | /// MBR Partition Table\r | |
43 | ///\r | |
44 | typedef struct {\r | |
45 | UINT8 BootStrapCode[440];\r | |
46 | UINT8 UniqueMbrSignature[4];\r | |
47 | UINT8 Unknown[2];\r | |
48 | MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS];\r | |
49 | UINT16 Signature;\r | |
50 | } MASTER_BOOT_RECORD;\r | |
51 | \r | |
52 | #pragma pack()\r | |
53 | \r | |
54 | #endif\r |