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| Rev 2726 | Rev 4687 | ||
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| 1 | #ifndef _EFI_PART_H |
1 | #ifndef _EFI_PART_H |
| 2 | #define _EFI_PART_H |
2 | #define _EFI_PART_H |
| 3 | 3 | ||
| 4 | /*++ |
4 | /*++ |
| 5 | 5 | ||
| 6 | Copyright (c) 1998 Intel Corporation |
6 | Copyright (c) 1998 Intel Corporation |
| 7 | 7 | ||
| 8 | Module Name: |
8 | Module Name: |
| 9 | 9 | ||
| 10 | efipart.h |
10 | efipart.h |
| 11 | |
11 | |
| 12 | Abstract: |
12 | Abstract: |
| 13 | Info about disk partitions and Master Boot Records |
13 | Info about disk partitions and Master Boot Records |
| 14 | 14 | ||
| 15 | 15 | ||
| 16 | 16 | ||
| 17 | 17 | ||
| 18 | Revision History |
18 | Revision History |
| 19 | 19 | ||
| 20 | --*/ |
20 | --*/ |
| 21 | 21 | ||
| 22 | // |
22 | // |
| 23 | // |
23 | // |
| 24 | // |
24 | // |
| 25 | 25 | ||
| 26 | #define EFI_PARTITION 0xef |
26 | #define EFI_PARTITION 0xef |
| 27 | #define MBR_SIZE 512 |
27 | #define MBR_SIZE 512 |
| 28 | 28 | ||
| 29 | #pragma pack(1) |
29 | #pragma pack(1) |
| 30 | 30 | ||
| 31 | typedef struct { |
31 | typedef struct { |
| 32 | UINT8 BootIndicator; |
32 | UINT8 BootIndicator; |
| 33 | UINT8 StartHead; |
33 | UINT8 StartHead; |
| 34 | UINT8 StartSector; |
34 | UINT8 StartSector; |
| 35 | UINT8 StartTrack; |
35 | UINT8 StartTrack; |
| 36 | UINT8 OSIndicator; |
36 | UINT8 OSIndicator; |
| 37 | UINT8 EndHead; |
37 | UINT8 EndHead; |
| 38 | UINT8 EndSector; |
38 | UINT8 EndSector; |
| 39 | UINT8 EndTrack; |
39 | UINT8 EndTrack; |
| 40 | UINT8 StartingLBA[4]; |
40 | UINT8 StartingLBA[4]; |
| 41 | UINT8 SizeInLBA[4]; |
41 | UINT8 SizeInLBA[4]; |
| 42 | } MBR_PARTITION_RECORD; |
42 | } MBR_PARTITION_RECORD; |
| 43 | 43 | ||
| 44 | #define EXTRACT_UINT32(D) (UINT32)(D[0] | (D[1] << 8) | (D[2] << 16) | (D[3] << 24)) |
44 | #define EXTRACT_UINT32(D) (UINT32)(D[0] | (D[1] << 8) | (D[2] << 16) | (D[3] << 24)) |
| 45 | 45 | ||
| 46 | #define MBR_SIGNATURE 0xaa55 |
46 | #define MBR_SIGNATURE 0xaa55 |
| 47 | #define MIN_MBR_DEVICE_SIZE 0x80000 |
47 | #define MIN_MBR_DEVICE_SIZE 0x80000 |
| 48 | #define MBR_ERRATA_PAD 0x40000 // 128 MB |
48 | #define MBR_ERRATA_PAD 0x40000 // 128 MB |
| 49 | 49 | ||
| 50 | #define MAX_MBR_PARTITIONS 4 |
50 | #define MAX_MBR_PARTITIONS 4 |
| 51 | typedef struct { |
51 | typedef struct { |
| 52 | UINT8 BootStrapCode[440]; |
52 | UINT8 BootStrapCode[440]; |
| 53 | UINT8 UniqueMbrSignature[4]; |
53 | UINT8 UniqueMbrSignature[4]; |
| 54 | UINT8 Unknown[2]; |
54 | UINT8 Unknown[2]; |
| 55 | MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS]; |
55 | MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS]; |
| 56 | UINT16 Signature; |
56 | UINT16 Signature; |
| 57 | } MASTER_BOOT_RECORD; |
57 | } MASTER_BOOT_RECORD; |
| 58 | #pragma pack() |
58 | #pragma pack() |
| 59 | 59 | ||
| 60 | 60 | ||
| 61 | #endif |
61 | #endif |
| 62 | 62 | ||