1 /** @file 2 Legacy Master Boot Record Format Definition. 3 4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef _MBR_H_ 16 #define _MBR_H_ 17 18 #define MBR_SIGNATURE 0xaa55 19 20 #define EXTENDED_DOS_PARTITION 0x05 21 #define EXTENDED_WINDOWS_PARTITION 0x0F 22 23 #define MAX_MBR_PARTITIONS 4 24 25 #define PMBR_GPT_PARTITION 0xEE 26 #define EFI_PARTITION 0xEF 27 28 #define MBR_SIZE 512 29 30 #pragma pack(1) 31 /// 32 /// MBR Partition Entry 33 /// 34 typedef struct { 35 UINT8 BootIndicator; 36 UINT8 StartHead; 37 UINT8 StartSector; 38 UINT8 StartTrack; 39 UINT8 OSIndicator; 40 UINT8 EndHead; 41 UINT8 EndSector; 42 UINT8 EndTrack; 43 UINT8 StartingLBA[4]; 44 UINT8 SizeInLBA[4]; 45 } MBR_PARTITION_RECORD; 46 47 /// 48 /// MBR Partition Table 49 /// 50 typedef struct { 51 UINT8 BootStrapCode[440]; 52 UINT8 UniqueMbrSignature[4]; 53 UINT8 Unknown[2]; 54 MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS]; 55 UINT16 Signature; 56 } MASTER_BOOT_RECORD; 57 58 #pragma pack() 59 60 #endif 61
