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Commit | Line | Data |
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a7ed1e2e | 1 | /** @file\r |
2 | Legacy Master Boot Record Format Definition.\r | |
3 | \r | |
9095d37b | 4 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
9344f092 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
a7ed1e2e | 6 | \r |
67e66cd5 | 7 | **/\r |
a7ed1e2e | 8 | \r |
9 | #ifndef _MBR_H_\r | |
10 | #define _MBR_H_\r | |
11 | \r | |
2f88bd3a | 12 | #define MBR_SIGNATURE 0xaa55\r |
a7ed1e2e | 13 | \r |
14 | #define EXTENDED_DOS_PARTITION 0x05\r | |
15 | #define EXTENDED_WINDOWS_PARTITION 0x0F\r | |
16 | \r | |
2f88bd3a | 17 | #define MAX_MBR_PARTITIONS 4\r |
a7ed1e2e | 18 | \r |
2f88bd3a MK |
19 | #define PMBR_GPT_PARTITION 0xEE\r |
20 | #define EFI_PARTITION 0xEF\r | |
a7ed1e2e | 21 | \r |
2f88bd3a | 22 | #define MBR_SIZE 512\r |
a7ed1e2e | 23 | \r |
766f4bc1 | 24 | #pragma pack(1)\r |
bf7ea009 | 25 | ///\r |
26 | /// MBR Partition Entry\r | |
27 | ///\r | |
a7ed1e2e | 28 | typedef struct {\r |
2f88bd3a MK |
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 | |
a7ed1e2e | 39 | } MBR_PARTITION_RECORD;\r |
40 | \r | |
1bc5d021 | 41 | ///\r |
bf7ea009 | 42 | /// MBR Partition Table\r |
1bc5d021 | 43 | ///\r |
a7ed1e2e | 44 | typedef struct {\r |
2f88bd3a MK |
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 | |
a7ed1e2e | 50 | } MASTER_BOOT_RECORD;\r |
51 | \r | |
766f4bc1 | 52 | #pragma pack()\r |
53 | \r | |
a7ed1e2e | 54 | #endif\r |