mirror of https://github.com/acidanthera/audk.git
Add EfiGpt.h, ElTorito.h, Mbr.h header files which are for EFI GUID Partition table, ElTorito bootable CD fomrat and Legacy Master Boot Record format into Industry Starndard.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1893 6f19259b-4bc3-4df7-8a09-765794883524
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qwang12
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/** @file
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EFI Guid Partition Table Format Definition.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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 _EFIGPT_H_
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#define _EFIGPT_H_
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#define PRIMARY_PART_HEADER_LBA 1
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#define EFI_PTAB_HEADER_ID "EFI PART"
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#pragma pack(1)
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//
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// GPT Partition Table Header
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//
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typedef struct {
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EFI_TABLE_HEADER Header;
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EFI_LBA MyLBA;
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EFI_LBA AlternateLBA;
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EFI_LBA FirstUsableLBA;
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EFI_LBA LastUsableLBA;
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EFI_GUID DiskGUID;
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EFI_LBA PartitionEntryLBA;
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UINT32 NumberOfPartitionEntries;
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UINT32 SizeOfPartitionEntry;
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UINT32 PartitionEntryArrayCRC32;
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} EFI_PARTITION_TABLE_HEADER;
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//
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// GPT Partition Entry
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//
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typedef struct {
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EFI_GUID PartitionTypeGUID;
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EFI_GUID UniquePartitionGUID;
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EFI_LBA StartingLBA;
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EFI_LBA EndingLBA;
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UINT64 Attributes;
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CHAR16 PartitionName[36];
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} EFI_PARTITION_ENTRY;
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//
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// GPT Partition Entry Status
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//
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typedef struct {
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BOOLEAN OutOfRange;
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BOOLEAN Overlap;
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} EFI_PARTITION_ENTRY_STATUS;
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#pragma pack()
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#endif
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/** @file
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ElTorito Partitions Format Definition.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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 _ELTORITO_H_
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#define _ELTORITO_H_
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//
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// CDROM_VOLUME_DESCRIPTOR.Types
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//
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#define CDVOL_TYPE_STANDARD 0x0
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#define CDVOL_TYPE_CODED 0x1
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#define CDVOL_TYPE_END 0xFF
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//
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// CDROM_VOLUME_DESCRIPTOR.Id
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//
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#define CDVOL_ID "CD001"
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//
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// CDROM_VOLUME_DESCRIPTOR.SystemId
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//
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#define CDVOL_ELTORITO_ID "EL TORITO SPECIFICATION"
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//
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// Indicator types
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//
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#define ELTORITO_ID_CATALOG 0x01
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#define ELTORITO_ID_SECTION_BOOTABLE 0x88
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#define ELTORITO_ID_SECTION_NOT_BOOTABLE 0x00
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#define ELTORITO_ID_SECTION_HEADER 0x90
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#define ELTORITO_ID_SECTION_HEADER_FINAL 0x91
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//
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// ELTORITO_CATALOG.Boot.MediaTypes
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//
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#define ELTORITO_NO_EMULATION 0x00
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#define ELTORITO_12_DISKETTE 0x01
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#define ELTORITO_14_DISKETTE 0x02
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#define ELTORITO_28_DISKETTE 0x03
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#define ELTORITO_HARD_DISK 0x04
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#pragma pack(1)
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//
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// El Torito Volume Descriptor
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// Note that the CDROM_VOLUME_DESCRIPTOR does not match the ISO-9660
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// descriptor. For some reason descriptor used by El Torito is
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// different, but they start the same. The El Torito descriptor
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// is left shifted 1 byte starting with the SystemId. (Note this
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// causes the field to get unaligned)
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//
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typedef struct {
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UINT8 Type;
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CHAR8 Id[5]; // CD001
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UINT8 Version;
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CHAR8 SystemId[26];
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CHAR8 Unused[38];
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UINT8 EltCatalog[4];
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CHAR8 Unused2[5];
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UINT32 VolSpaceSize[2];
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} CDROM_VOLUME_DESCRIPTOR;
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//
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// Catalog Entry
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//
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typedef union {
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struct {
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CHAR8 Reserved[0x20];
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} Unknown;
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//
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// Catalog validation entry (Catalog header)
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//
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struct {
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UINT8 Indicator;
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UINT8 PlatformId;
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UINT16 Reserved;
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CHAR8 ManufacId[24];
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UINT16 Checksum;
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UINT16 Id55AA;
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} Catalog;
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//
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// Initial/Default Entry or Section Entry
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//
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struct {
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UINT8 Indicator;
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UINT8 MediaType : 4;
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UINT8 Reserved1 : 4;
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UINT16 LoadSegment;
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UINT8 SystemType;
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UINT8 Reserved2;
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UINT16 SectorCount;
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UINT32 Lba;
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} Boot;
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//
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// Section Header Entry
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//
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struct {
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UINT8 Indicator;
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UINT8 PlatformId;
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UINT16 SectionEntries;
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CHAR8 Id[28];
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} Section;
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} ELTORITO_CATALOG;
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#pragma pack()
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#endif
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/** @file
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Legacy Master Boot Record Format Definition.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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#define MBR_SIGNATURE 0xaa55
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#define MIN_MBR_DEVICE_SIZE 0x80000
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#define MBR_ERRATA_PAD 0x40000 // 128 MB
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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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