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