1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/include/partitions.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,201 @@
1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32\include\partitions.h
1.18 +//
1.19 +//
1.20 +
1.21 +/**
1.22 + @file
1.23 + @internalTechnology
1.24 +*/
1.25 +
1.26 +#ifndef __PARTITIONS_H__
1.27 +#define __PARTITIONS_H__
1.28 +#include <e32def.h>
1.29 +
1.30 +const TUint KPartitionTypeEmpty=0x00;
1.31 +const TUint KPartitionTypeFAT12=0x01;
1.32 +const TUint KPartitionTypeXENIXroot=0x02;
1.33 +const TUint KPartitionTypeXENIXusr=0x03;
1.34 +const TUint KPartitionTypeFAT16small=0x04;
1.35 +const TUint KPartitionTypeExtended=0x05;
1.36 +const TUint KPartitionTypeFAT16=0x06;
1.37 +const TUint KPartitionTypeNTFS=0x07;
1.38 +const TUint KPartitionTypeAIX=0x08;
1.39 +const TUint KPartitionTypeAIXboot=0x09;
1.40 +const TUint KPartitionTypeOS2BootManager=0x0a;
1.41 +const TUint KPartitionTypeWin95FAT32=0x0b;
1.42 +const TUint KPartitionTypeWin95FAT32LBA=0x0c;
1.43 +const TUint KPartitionTypeWin95FAT16LBA=0x0e;
1.44 +const TUint KPartitionTypeWin95ExtdLBA=0x0f;
1.45 +const TUint KPartitionTypeOPUS=0x10;
1.46 +const TUint KPartitionTypeHiddenFAT12=0x11;
1.47 +const TUint KPartitionTypeCompaqDiag=0x12;
1.48 +const TUint KPartitionTypeHiddenFAT16small=0x14;
1.49 +const TUint KPartitionTypeHiddenFAT16=0x16;
1.50 +const TUint KPartitionTypeHiddenNTFS=0x17;
1.51 +const TUint KPartitionTypeASTSmartSleep=0x18;
1.52 +const TUint KPartitionTypeHiddenWin95FAT32=0x1b;
1.53 +const TUint KPartitionTypeHiddenWin95FAT32LBA=0x1c;
1.54 +const TUint KPartitionTypeHiddenWin95FAT16LBA=0x1e;
1.55 +const TUint KPartitionTypeNECDOS=0x24;
1.56 +const TUint KPartitionTypePlan9=0x39;
1.57 +const TUint KPartitionTypePartitionMagic=0x3c;
1.58 +const TUint KPartitionTypeVenix80286=0x40;
1.59 +const TUint KPartitionTypePPCPRePBoot=0x41;
1.60 +const TUint KPartitionTypeSFS=0x42;
1.61 +const TUint KPartitionTypeQNX4x=0x4d;
1.62 +const TUint KPartitionTypeQNX4x_2=0x4e;
1.63 +const TUint KPartitionTypeQNX4x_3=0x4f;
1.64 +const TUint KPartitionTypeOnTrackDM=0x50;
1.65 +const TUint KPartitionTypeOnTrackDM6Aux=0x51;
1.66 +const TUint KPartitionTypeCPM=0x52;
1.67 +const TUint KPartitionTypeOnTrackDM6Aux_2=0x53;
1.68 +const TUint KPartitionTypeOnTrackDM6=0x54;
1.69 +const TUint KPartitionTypeEZDrive=0x55;
1.70 +const TUint KPartitionTypeGoldenBow=0x56;
1.71 +const TUint KPartitionTypePriamEdisk=0x5c;
1.72 +const TUint KPartitionTypeSpeedStor=0x61;
1.73 +const TUint KPartitionTypeGNU_HURD=0x63;
1.74 +const TUint KPartitionTypeNovellNetware=0x64;
1.75 +const TUint KPartitionTypeNovellNetware_2=0x65;
1.76 +const TUint KPartitionTypeDiskSecure=0x70;
1.77 +const TUint KPartitionTypePCIX=0x75;
1.78 +const TUint KPartitionTypeOldMinix=0x80;
1.79 +const TUint KPartitionTypeMinixOldLinux=0x81;
1.80 +const TUint KPartitionTypeLinuxSwap=0x82;
1.81 +const TUint KPartitionTypeLinux=0x83;
1.82 +const TUint KPartitionTypeOS2Hidden=0x84;
1.83 +const TUint KPartitionTypeLinuxExtended=0x85;
1.84 +const TUint KPartitionTypeNTFSvolset=0x86;
1.85 +const TUint KPartitionTypeNTFSvolset_2=0x87;
1.86 +const TUint KPartitionTypeLinuxLVM=0x8e;
1.87 +const TUint KPartitionTypeAmoeba=0x93;
1.88 +const TUint KPartitionTypeAmoebaBBT=0x94;
1.89 +const TUint KPartitionTypeBSD_OS=0x9f;
1.90 +const TUint KPartitionTypeIBMThinkpad=0xa0;
1.91 +const TUint KPartitionTypeFreeBSD=0xa5;
1.92 +const TUint KPartitionTypeOpenBSD=0xa6;
1.93 +const TUint KPartitionTypeNeXTSTEP=0xa7;
1.94 +const TUint KPartitionTypeNetBSD=0xa9;
1.95 +const TUint KPartitionTypeBSDIfs=0xb7;
1.96 +const TUint KPartitionTypeBSDIswap=0xb8;
1.97 +const TUint KPartitionTypeBootWizardHidden=0xbb;
1.98 +const TUint KPartitionTypeDRDOS=0xc1;
1.99 +const TUint KPartitionTypeDRDOS_2=0xc4;
1.100 +const TUint KPartitionTypeDRDOS_3=0xc6;
1.101 +const TUint KPartitionTypeSyrinx=0xc7;
1.102 +const TUint KPartitionTypeNonFSData=0xda;
1.103 +const TUint KPartitionTypeCPM_CTOS=0xdb;
1.104 +const TUint KPartitionTypeDellUtility=0xde;
1.105 +const TUint KPartitionTypeBootIt=0xdf;
1.106 +const TUint KPartitionTypeDOSaccess=0xe1;
1.107 +const TUint KPartitionTypeDOS_RO=0xe3;
1.108 +const TUint KPartitionTypeSymbianCrashLog=0xf0;
1.109 +const TUint KPartitionTypeSpeedStor_2=0xf1;
1.110 +const TUint KPartitionTypeDOSsecondary=0xf2;
1.111 +const TUint KPartitionTypeSpeedStor_3=0xf4;
1.112 +const TUint KPartitionTypePagedData=0xf8; // Symbian defined
1.113 +const TUint KPartitionTypeROM=0xf9; // Symbian defined
1.114 +const TUint KPartitionTypeRofs=0xfa; // Symbian defined
1.115 +const TUint KPartitionTypeIso9660=0xfb; // Symbian defined
1.116 +const TUint KPartitionTypeEneaLFFS=0xfc; // Symbian defined
1.117 +const TUint KPartitionTypeLinuxRaidAuto=0xfd;
1.118 +const TUint KPartitionTypeLANStep=0xfe;
1.119 +const TUint KPartitionTypeBBT=0xff;
1.120 +
1.121 +inline TBool PartitionIsFAT(TUint a)
1.122 + {
1.123 + return (
1.124 + a==KPartitionTypeFAT12 ||
1.125 + a==KPartitionTypeFAT16small ||
1.126 + a==KPartitionTypeFAT16 ||
1.127 + a==KPartitionTypeFAT16 ||
1.128 + a==KPartitionTypeWin95FAT16LBA ||
1.129 + a==KPartitionTypeHiddenFAT12 ||
1.130 + a==KPartitionTypeHiddenFAT16small ||
1.131 + a==KPartitionTypeHiddenFAT16 ||
1.132 + a==KPartitionTypeHiddenWin95FAT16LBA
1.133 + );
1.134 + }
1.135 +
1.136 +inline TBool PartitionIsFAT32(TUint a)
1.137 + {
1.138 + return (
1.139 + a==KPartitionTypeWin95FAT32 ||
1.140 + a==KPartitionTypeWin95FAT32LBA ||
1.141 + a==KPartitionTypeHiddenWin95FAT32 ||
1.142 + a==KPartitionTypeHiddenWin95FAT32LBA
1.143 + );
1.144 + }
1.145 +
1.146 +inline TBool PartitionIsNTFS(TUint a)
1.147 + {
1.148 + return (
1.149 + a==KPartitionTypeNTFS ||
1.150 + a==KPartitionTypeHiddenNTFS
1.151 + );
1.152 + }
1.153 +
1.154 +//
1.155 +// Entry in MBR partition table
1.156 +//
1.157 +const TUint KBootIndicatorBootable=0x80;
1.158 +
1.159 +class TMBRPartitionEntry
1.160 + {
1.161 +public:
1.162 + TBool IsValidPartition()
1.163 + { return (iNumSectors>0 && iPartitionType!=KPartitionTypeEmpty); }
1.164 + TBool IsValidDosPartition()
1.165 + { return (iNumSectors>0 && PartitionIsFAT(iPartitionType)); }
1.166 + TBool IsDefaultBootPartition()
1.167 + { return(iX86BootIndicator==KBootIndicatorBootable && (IsValidDosPartition() || IsValidFAT32Partition())); }
1.168 + TBool IsValidFAT32Partition()
1.169 + { return (iNumSectors>0 && PartitionIsFAT32(iPartitionType)); }
1.170 + TBool IsValidExFATPartition()
1.171 + { return (iNumSectors>0 && PartitionIsNTFS(iPartitionType)); }
1.172 +public:
1.173 + TUint8 iX86BootIndicator;
1.174 + TUint8 iStartHead;
1.175 + TUint8 iStartSector;
1.176 + TUint8 iStartCylinder;
1.177 + TUint8 iPartitionType;
1.178 + TUint8 iEndHead;
1.179 + TUint8 iEndSector;
1.180 + TUint8 iEndCylinder;
1.181 + TUint32 iFirstSector;
1.182 + TUint32 iNumSectors;
1.183 + };
1.184 +
1.185 +//
1.186 +// Defines for Master boot record
1.187 +//
1.188 +const TUint KMBRFirstPartitionOffset=0x1BE;
1.189 +const TUint KMBRSignatureOffset=0x1FE;
1.190 +const TUint KMBRSignature=0xAA55;
1.191 +const TInt KMBRMaxPrimaryPartitions=4;
1.192 +
1.193 +class TMasterBootRecord
1.194 + {
1.195 +public:
1.196 + TUint8 iBootCode[KMBRFirstPartitionOffset];
1.197 + TMBRPartitionEntry iPartitionEntry[KMBRMaxPrimaryPartitions];
1.198 + TUint16 iSignature;
1.199 + };
1.200 +
1.201 +
1.202 +
1.203 +#endif
1.204 +