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/** @file
Legacy Master Boot Record Format Definition.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _MBR_H_
#define _MBR_H_
#define MBR_SIGNATURE 0xaa55
#define EXTENDED_DOS_PARTITION 0x05
#define EXTENDED_WINDOWS_PARTITION 0x0F
#define MAX_MBR_PARTITIONS 4
#define PMBR_GPT_PARTITION 0xEE
#define EFI_PARTITION 0xEF
#define MBR_SIZE 512
#pragma pack(1)
///
/// MBR Partition Entry
///
typedef struct {
UINT8 BootIndicator;
UINT8 StartHead;
UINT8 StartSector;
UINT8 StartTrack;
UINT8 OSIndicator;
UINT8 EndHead;
UINT8 EndSector;
UINT8 EndTrack;
UINT8 StartingLBA[4];
UINT8 SizeInLBA[4];
} MBR_PARTITION_RECORD;
///
/// MBR Partition Table
///
typedef struct {
UINT8 BootStrapCode[440];
UINT8 UniqueMbrSignature[4];
UINT8 Unknown[2];
MBR_PARTITION_RECORD Partition[MAX_MBR_PARTITIONS];
UINT16 Signature;
} MASTER_BOOT_RECORD;
#pragma pack()
#endif
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