1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/include/memmodel/epoc/flexible/x86/mmboot.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,142 @@
1.4 +// Copyright (c) 1998-2009 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 +//
1.18 +
1.19 +/**
1.20 + @file
1.21 + @publishedPartner
1.22 + @prototype
1.23 +*/
1.24 +
1.25 +#ifndef __MMBOOT_H__
1.26 +#define __MMBOOT_H__
1.27 +
1.28 +// Linear address map
1.29 +// 00000000-003FFFFF Unmapped
1.30 +// 00400000-7FFFFFFF Local data
1.31 +// 80000000- ROM
1.32 +// -8FFFFFFF Global user area
1.33 +// 90000000-EFFFFFFF Kernel memory
1.34 +// F0000000-FEBFFFFF Fixed kernel mappings
1.35 +// FEC00000-FEFFFFFF IO APIC + Local APIC
1.36 +// FF000000-FFFFFFFF ???
1.37 +
1.38 +// Linear addresses
1.39 +
1.40 +const TLinAddr KUserLocalDataBase =0x00400000u;
1.41 +
1.42 +const TLinAddr KUserLocalDataEnd =0x80000000u;
1.43 +
1.44 +/** Everything above here is global (visible to all processes).*/
1.45 +const TLinAddr KGlobalMemoryBase =0x80000000u;
1.46 +
1.47 +const TLinAddr KRomLinearBase =0x80000000u;
1.48 +
1.49 +/** Everything below here has user access permissions, everything above is supervisor only. */
1.50 +const TLinAddr KUserMemoryLimit =0x90000000u;
1.51 +
1.52 +const TLinAddr KKernelSectionBase =0x90000000u;
1.53 +
1.54 +const TLinAddr KPrimaryIOBase =0xC6000000u; // XXX This magic constant is hard coded into baseports!
1.55 +const TLinAddr KPrimaryIOEnd =0xC8000000u;
1.56 +
1.57 +const TLinAddr KKernelDataBase =0xC8000000u;
1.58 +
1.59 +const TLinAddr KKernelSectionEnd =0xF0000000u;
1.60 +
1.61 +const TLinAddr KSuperPageLinAddr =0xF0000000u;
1.62 +const TLinAddr KMachineConfigLinAddr =0xF0000800u;
1.63 +
1.64 +const TLinAddr KPageInfoMap =0xF0010000u;
1.65 +const TLinAddr KApTrampolinePageLin =0xF0040000u;
1.66 +const TLinAddr KTempAddr =0xF0080000u;
1.67 +const TLinAddr KTempAddrEnd =0xF0100000u;
1.68 +const TLinAddr KBiosInfoLin =0xF0100000u; // RAM info + MP info
1.69 +
1.70 +const TLinAddr KPageTableInfoBase =0xF0C00000u;
1.71 +const TLinAddr KPageTableInfoEnd =0xF1000000u;
1.72 +
1.73 +const TLinAddr KPageArraySegmentBase =0xF1000000u;
1.74 +const TLinAddr KPageArraySegmentEnd =0xF2000000u;
1.75 +
1.76 +const TLinAddr KPageInfoLinearBase =0xF2000000u;
1.77 +const TLinAddr KPageInfoLinearEnd =0xF4000000u;
1.78 +
1.79 +const TLinAddr KPageDirectoryBase =0xF4000000u;
1.80 +const TLinAddr KPageDirectoryEnd =0xF5000000u;
1.81 +
1.82 +const TLinAddr KIPCAlias =0xF6000000u;
1.83 +const TLinAddr KIPCAliasAreaSize =0x02000000u;
1.84 +
1.85 +const TLinAddr KPageTableBase =0xF8000000u;
1.86 +const TLinAddr KPageTableEnd =0xFEC00000u;
1.87 +
1.88 + // FEC00000-FEFFFFFF IO APIC + Local APIC
1.89 +
1.90 +
1.91 +
1.92 +// Constants for X86 MMU
1.93 +#ifndef __KPAGESIZE_DEFINED__
1.94 +const TInt KPageShift=12;
1.95 +const TInt KPageSize=1<<KPageShift;
1.96 +const TInt KPageMask=KPageSize-1;
1.97 +#define __KPAGESIZE_DEFINED__
1.98 +#endif
1.99 +const TInt KChunkShift=22;
1.100 +const TInt KChunkSize=1<<KChunkShift;
1.101 +const TInt KChunkMask=KChunkSize-1;
1.102 +const TInt KPageTableShift=KChunkShift-KPageShift+2; // PTE is 4 bytes
1.103 +const TInt KPageTableSize=1<<KPageTableShift;
1.104 +const TInt KPageTableMask=KPageTableSize-1;
1.105 +const TInt KPtClusterShift=KPageShift-KPageTableShift;
1.106 +const TInt KPtClusterSize=1<<KPtClusterShift;
1.107 +const TInt KPtClusterMask=KPtClusterSize-1;
1.108 +const TInt KPtBlockShift=KPageShift-4; /**< @internalTechnology */ // sizeof(SPageTableInfo)=16
1.109 +const TInt KPtBlockSize=1<<KPtBlockShift; /**< @internalTechnology */
1.110 +const TInt KPtBlockMask=KPtBlockSize-1; /**< @internalTechnology */
1.111 +const TInt KPagesInPDEShift=KChunkShift-KPageShift;
1.112 +const TInt KPagesInPDE=1<<KPagesInPDEShift;
1.113 +const TInt KPagesInPDEMask=KPagesInPDE-1;
1.114 +
1.115 +const TInt KPageDirectoryShift=32-KChunkShift+2; // PDE is 4 bytes
1.116 +const TInt KPageDirectorySize=1<<KPageDirectoryShift;
1.117 +const TInt KPageDirectoryMask=KPageDirectorySize-1;
1.118 +
1.119 +const TInt KNumOsAsids=1024;
1.120 +const TUint KKernelOsAsid=0;
1.121 +
1.122 +const TUint32 KPdePtePresent=0x01;
1.123 +const TUint32 KPdePteWrite=0x02;
1.124 +const TUint32 KPdePteUser=0x04;
1.125 +const TUint32 KPdePteWriteThrough=0x08;
1.126 +const TUint32 KPdePteUncached=0x10;
1.127 +const TUint32 KPdePteAccessed=0x20;
1.128 +const TUint32 KPdePteDirty=0x40;
1.129 +const TUint32 KPdeLargePage=0x80; // Pentium and above, not 486
1.130 +const TUint32 KPdePteGlobal=0x100; // P6 and above, not 486 or Pentium
1.131 +
1.132 +const TUint32 KPdePtePhysAddrMask=0xfffff000u;
1.133 +const TUint32 KPdeLargePagePhysAddrMask=0xffc00000u; // Pentium and above, not 486
1.134 +const TUint32 KPdeUnallocatedEntry=0;
1.135 +const TUint32 KPteUnallocatedEntry=0;
1.136 +const TUint32 KPdeMatchMask=KPdePteAccessed|KPdePteDirty|KPdePteUser|KPdePteWrite; // ignore 'user' and 'write' in PDEs
1.137 +const TUint32 KPteMatchMask=KPdePteAccessed|KPdePteDirty;
1.138 +
1.139 +const TInt KPageInfoShift = 5;
1.140 +
1.141 +const TInt KPageColourShift=0;
1.142 +const TInt KPageColourCount=(1<<KPageColourShift);
1.143 +const TInt KPageColourMask=KPageColourCount-1;
1.144 +
1.145 +#endif // __MMBOOT_H__