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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10502 6f19259b-4bc3-4df7-8a09-765794883524
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/** @file
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MBR Partition Entry and Table structure defintions.
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Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _MBR_H_
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#define _MBR_H_
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#include "CommonLib.h"
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#pragma pack(1)
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#define MAX_MBR_PARTITIONS 4
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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 OSType;
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UINT8 EndHead;
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UINT8 EndSector;
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UINT8 EndTrack;
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UINT32 StartingLBA;
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UINT32 SizeInLBA;
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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 BootCode[440];
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UINT32 UniqueMbrSignature;
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UINT16 Unknown;
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MBR_PARTITION_RECORD PartitionRecord[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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#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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#endif
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