kernel/eka/include/partitions.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 13:38:45 +0200
changeset 6 0173bcd7697c
parent 0 a41df078684a
permissions -rw-r--r--
Revision: 201001 Kit: 201001
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32\include\partitions.h
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// 
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//
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/**
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 @file
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 @internalTechnology
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*/
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#ifndef __PARTITIONS_H__
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#define __PARTITIONS_H__
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#include <e32def.h>
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const TUint KPartitionTypeEmpty=0x00;
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const TUint KPartitionTypeFAT12=0x01;
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const TUint KPartitionTypeXENIXroot=0x02;
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const TUint KPartitionTypeXENIXusr=0x03;
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const TUint KPartitionTypeFAT16small=0x04;
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const TUint KPartitionTypeExtended=0x05;
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const TUint KPartitionTypeFAT16=0x06;
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const TUint KPartitionTypeNTFS=0x07;
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const TUint KPartitionTypeAIX=0x08;
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const TUint KPartitionTypeAIXboot=0x09;
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const TUint KPartitionTypeOS2BootManager=0x0a;
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const TUint KPartitionTypeWin95FAT32=0x0b;
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const TUint KPartitionTypeWin95FAT32LBA=0x0c;
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const TUint KPartitionTypeWin95FAT16LBA=0x0e;
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const TUint KPartitionTypeWin95ExtdLBA=0x0f;
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const TUint KPartitionTypeOPUS=0x10;
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const TUint KPartitionTypeHiddenFAT12=0x11;
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const TUint KPartitionTypeCompaqDiag=0x12;
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const TUint KPartitionTypeHiddenFAT16small=0x14;
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const TUint KPartitionTypeHiddenFAT16=0x16;
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const TUint KPartitionTypeHiddenNTFS=0x17;
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const TUint KPartitionTypeASTSmartSleep=0x18;
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const TUint KPartitionTypeHiddenWin95FAT32=0x1b;
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const TUint KPartitionTypeHiddenWin95FAT32LBA=0x1c;
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const TUint KPartitionTypeHiddenWin95FAT16LBA=0x1e;
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const TUint KPartitionTypeNECDOS=0x24;
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const TUint KPartitionTypePlan9=0x39;
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const TUint KPartitionTypePartitionMagic=0x3c;
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const TUint KPartitionTypeVenix80286=0x40;
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const TUint KPartitionTypePPCPRePBoot=0x41;
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const TUint KPartitionTypeSFS=0x42;
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const TUint KPartitionTypeQNX4x=0x4d;
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const TUint KPartitionTypeQNX4x_2=0x4e;
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const TUint KPartitionTypeQNX4x_3=0x4f;
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const TUint KPartitionTypeOnTrackDM=0x50;
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const TUint KPartitionTypeOnTrackDM6Aux=0x51;
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const TUint KPartitionTypeCPM=0x52;
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const TUint KPartitionTypeOnTrackDM6Aux_2=0x53;
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const TUint KPartitionTypeOnTrackDM6=0x54;
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const TUint KPartitionTypeEZDrive=0x55;
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const TUint KPartitionTypeGoldenBow=0x56;
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const TUint KPartitionTypePriamEdisk=0x5c;
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const TUint KPartitionTypeSpeedStor=0x61;
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const TUint KPartitionTypeGNU_HURD=0x63;
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const TUint KPartitionTypeNovellNetware=0x64;
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const TUint KPartitionTypeNovellNetware_2=0x65;
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const TUint KPartitionTypeDiskSecure=0x70;
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const TUint KPartitionTypePCIX=0x75;
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const TUint KPartitionTypeOldMinix=0x80;
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const TUint KPartitionTypeMinixOldLinux=0x81;
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const TUint KPartitionTypeLinuxSwap=0x82;
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const TUint KPartitionTypeLinux=0x83;
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const TUint KPartitionTypeOS2Hidden=0x84;
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const TUint KPartitionTypeLinuxExtended=0x85;
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const TUint KPartitionTypeNTFSvolset=0x86;
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const TUint KPartitionTypeNTFSvolset_2=0x87;
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const TUint KPartitionTypeLinuxLVM=0x8e;
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const TUint KPartitionTypeAmoeba=0x93;
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const TUint KPartitionTypeAmoebaBBT=0x94;
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const TUint KPartitionTypeBSD_OS=0x9f;
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const TUint KPartitionTypeIBMThinkpad=0xa0;
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const TUint KPartitionTypeFreeBSD=0xa5;
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const TUint KPartitionTypeOpenBSD=0xa6;
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const TUint KPartitionTypeNeXTSTEP=0xa7;
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const TUint KPartitionTypeNetBSD=0xa9;
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const TUint KPartitionTypeBSDIfs=0xb7;
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const TUint KPartitionTypeBSDIswap=0xb8;
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const TUint KPartitionTypeBootWizardHidden=0xbb;
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const TUint KPartitionTypeDRDOS=0xc1;
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const TUint KPartitionTypeDRDOS_2=0xc4;
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const TUint KPartitionTypeDRDOS_3=0xc6;
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const TUint KPartitionTypeSyrinx=0xc7;
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const TUint KPartitionTypeNonFSData=0xda;
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const TUint KPartitionTypeCPM_CTOS=0xdb;
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const TUint KPartitionTypeDellUtility=0xde;
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const TUint KPartitionTypeBootIt=0xdf;
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const TUint KPartitionTypeDOSaccess=0xe1;
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const TUint KPartitionTypeDOS_RO=0xe3;
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const TUint KPartitionTypeSymbianCrashLog=0xf0;
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const TUint KPartitionTypeSpeedStor_2=0xf1;
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const TUint KPartitionTypeDOSsecondary=0xf2;
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const TUint KPartitionTypeSpeedStor_3=0xf4;
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const TUint	KPartitionTypePagedData=0xf8;		// Symbian defined 
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const TUint	KPartitionTypeROM=0xf9;				// Symbian defined 
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const TUint	KPartitionTypeRofs=0xfa;			// Symbian defined 
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const TUint KPartitionTypeIso9660=0xfb;			// Symbian defined 
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const TUint KPartitionTypeEneaLFFS=0xfc;		// Symbian defined 
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const TUint KPartitionTypeLinuxRaidAuto=0xfd;
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const TUint KPartitionTypeLANStep=0xfe;
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const TUint KPartitionTypeBBT=0xff;
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inline TBool PartitionIsFAT(TUint a)
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	{
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	return (
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		a==KPartitionTypeFAT12						||
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		a==KPartitionTypeFAT16small					||
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		a==KPartitionTypeFAT16						||
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		a==KPartitionTypeFAT16						||
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		a==KPartitionTypeWin95FAT16LBA				||
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		a==KPartitionTypeHiddenFAT12				||
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		a==KPartitionTypeHiddenFAT16small			||
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		a==KPartitionTypeHiddenFAT16				||
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		a==KPartitionTypeHiddenWin95FAT16LBA
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		);
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	}
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inline TBool PartitionIsFAT32(TUint a)
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	{
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	return (
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		a==KPartitionTypeWin95FAT32					||
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		a==KPartitionTypeWin95FAT32LBA				||
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		a==KPartitionTypeHiddenWin95FAT32			||
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		a==KPartitionTypeHiddenWin95FAT32LBA
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		);
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	}
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inline TBool PartitionIsNTFS(TUint a)
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	{
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	return (
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		a==KPartitionTypeNTFS						||
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		a==KPartitionTypeHiddenNTFS
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		);
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	}
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//
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// Entry in MBR partition table
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//
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const TUint KBootIndicatorBootable=0x80;
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class TMBRPartitionEntry
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	{
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public:
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	TBool IsValidPartition()
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		{ return (iNumSectors>0 && iPartitionType!=KPartitionTypeEmpty); }
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	TBool IsValidDosPartition()
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		{ return (iNumSectors>0 && PartitionIsFAT(iPartitionType)); }
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	TBool IsDefaultBootPartition()
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		{ return(iX86BootIndicator==KBootIndicatorBootable && (IsValidDosPartition() || IsValidFAT32Partition())); }
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	TBool IsValidFAT32Partition()
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		{ return (iNumSectors>0 && PartitionIsFAT32(iPartitionType)); }
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	TBool IsValidExFATPartition()
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		{ return (iNumSectors>0 && PartitionIsNTFS(iPartitionType)); }
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public:
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	TUint8 iX86BootIndicator;
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	TUint8 iStartHead;
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	TUint8 iStartSector;
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	TUint8 iStartCylinder;
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	TUint8 iPartitionType;
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	TUint8 iEndHead;
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	TUint8 iEndSector;
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	TUint8 iEndCylinder;
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	TUint32 iFirstSector;
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	TUint32 iNumSectors;
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	};
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//
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// Defines for Master boot record
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//
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const TUint KMBRFirstPartitionOffset=0x1BE;
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const TUint KMBRSignatureOffset=0x1FE;
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const TUint KMBRSignature=0xAA55;
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const TInt KMBRMaxPrimaryPartitions=4;
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class TMasterBootRecord
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	{
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	TUint8 iBootCode[KMBRFirstPartitionOffset];
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	TMBRPartitionEntry iPartitionEntry[KMBRMaxPrimaryPartitions];
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	TUint16 iSignature;
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	};
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#endif
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