1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/include/memmodel/epoc/direct/memmodel.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,175 @@
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 +// e32\include\memmodel\epoc\direct\memmodel.h
1.18 +//
1.19 +// WARNING: This file contains some APIs which are internal and are subject
1.20 +// to change without notice. Such APIs should therefore not be used
1.21 +// outside the Kernel and Hardware Services package.
1.22 +//
1.23 +
1.24 +#ifndef __MEMMODEL_H__
1.25 +#define __MEMMODEL_H__
1.26 +#include <plat_priv.h>
1.27 +
1.28 +/********************************************
1.29 + * Process Control Block
1.30 + ********************************************/
1.31 +
1.32 +class DMemModelChunk;
1.33 +
1.34 +/**
1.35 +@internalComponent
1.36 +*/
1.37 +class DMemModelProcess : public DEpocProcess
1.38 + {
1.39 +public:
1.40 + void Destruct();
1.41 +public:
1.42 + virtual TInt DoCreate(TBool aKernelProcess, TProcessCreateInfo& aInfo);
1.43 + virtual TInt NewChunk(DChunk*& aChunk, SChunkCreateInfo& anInfo, TLinAddr& aRunAddr);
1.44 + virtual TInt AddChunk(DChunk* aChunk,TBool isReadOnly);
1.45 + virtual TInt NewShPool(DShPool*& aPool, TShPoolCreateInfo& aInfo);
1.46 + virtual TInt CreateDataBssStackArea(TProcessCreateInfo& aInfo);
1.47 + virtual TInt MapCodeSeg(DCodeSeg* aCodeSeg);
1.48 + virtual void UnmapCodeSeg(DCodeSeg* aCodeSeg);
1.49 + virtual void RemoveDllData();
1.50 + virtual void FinalRelease();
1.51 +public:
1.52 + friend class Monitor;
1.53 + };
1.54 +
1.55 +/********************************************
1.56 + * Chunk Control Block
1.57 + ********************************************/
1.58 +
1.59 +/**
1.60 +@internalComponent
1.61 +*/
1.62 +class DMemModelChunk : public DChunk
1.63 + {
1.64 +public:
1.65 + enum TMemModelChunkAttributes
1.66 + {
1.67 + EPrivate=0x10000000,
1.68 +
1.69 + EMMChunkAttributesMask = EPrivate,
1.70 + };
1.71 +
1.72 +public:
1.73 + ~DMemModelChunk();
1.74 +public:
1.75 +// virtual TInt Close(TAny* aPtr);
1.76 + virtual TInt DoCreate(SChunkCreateInfo& anInfo);
1.77 + virtual TInt Adjust(TInt aNewSize);
1.78 + virtual TInt AdjustDoubleEnded(TInt aBottom, TInt aTop);
1.79 + virtual TInt CheckAccess();
1.80 + virtual TInt Commit(TInt anOffset, TInt aSize, TCommitType aCommitType=DChunk::ECommitDiscontiguous, TUint32* aExtraArg=0);
1.81 + virtual TInt Allocate(TInt aSize, TInt aGuard=0, TInt aAlign=0);
1.82 + virtual TInt Decommit(TInt anOffset, TInt aSize);
1.83 + virtual TInt Lock(TInt anOffset, TInt aSize);
1.84 + virtual TInt Unlock(TInt anOffset, TInt aSize);
1.85 + virtual TInt Address(TInt aOffset, TInt aSize, TLinAddr& aKernelAddress);
1.86 + virtual TInt PhysicalAddress(TInt aOffset, TInt aSize, TLinAddr& aKernelAddress, TUint32& aPhysicalAddress, TUint32* aPhysicalPageList=NULL);
1.87 + virtual void BTracePrime(TInt aCategory);
1.88 + virtual void Substitute(TInt aOffset, TPhysAddr aOldAddr, TPhysAddr aNewAddr);
1.89 + virtual TUint8* Base(DProcess* aProcess);
1.90 + inline TUint8* Base() const { return DChunk::Base(); }
1.91 +public:
1.92 + void SetFixedAddress(TLinAddr anAddr, TInt aSize);
1.93 +public:
1.94 + TLinAddr iRegionBase;
1.95 + TInt iRegionSize;
1.96 +public:
1.97 + friend class Monitor;
1.98 + };
1.99 +
1.100 +/********************************************
1.101 + * Code segment
1.102 + ********************************************/
1.103 +
1.104 +/**
1.105 +@internalComponent
1.106 +*/
1.107 +class DMemModelCodeSegMemory : public DEpocCodeSegMemory
1.108 + {
1.109 +public:
1.110 + DMemModelCodeSegMemory(DEpocCodeSeg* aCodeSeg);
1.111 + };
1.112 +
1.113 +/**
1.114 +@internalComponent
1.115 +*/
1.116 +class DMemModelCodeSeg: public DEpocCodeSeg
1.117 + {
1.118 +public:
1.119 + DMemModelCodeSeg();
1.120 + virtual ~DMemModelCodeSeg();
1.121 + virtual TInt DoCreateRam(TCodeSegCreateInfo& aInfo, DProcess* aProcess);
1.122 + virtual TInt DoCreateXIP(DProcess* aProcess);
1.123 + virtual TInt Loaded(TCodeSegCreateInfo& aInfo);
1.124 + virtual void ReadExportDir(TUint32* aDest);
1.125 + virtual TBool FindCheck(DProcess* aProcess);
1.126 + virtual TBool OpenCheck(DProcess* aProcess);
1.127 +public:
1.128 + TLinAddr iDataAlloc;
1.129 + TAny* iKernelData; // only for kernel modules
1.130 + };
1.131 +
1.132 +/********************************************
1.133 + * Functions/Data defined in memory model
1.134 + ********************************************/
1.135 +
1.136 +/**
1.137 +@internalComponent
1.138 +*/
1.139 +class MM
1.140 + {
1.141 +public:
1.142 + enum TMemModelPanic
1.143 + {
1.144 + ERamAllocCreateFailed=0,
1.145 + ERamAllocMutexCreateFailed=1,
1.146 + EFreeInvalidRegion=2,
1.147 + ECodeSegCheckInconsistent=3,
1.148 + ESecAllocCreateFailed=4,
1.149 + EUnsupportedOperation=5,
1.150 + };
1.151 +
1.152 + static void Panic(TMemModelPanic aPanic);
1.153 +public:
1.154 + static void Init1();
1.155 + static void StartCrashDebugger();
1.156 + static void WaitRamAlloc();
1.157 + static void SignalRamAlloc();
1.158 + static TUint32 RoundToBlockSize(TUint32 aSize);
1.159 + static void FreeRegion(TLinAddr aBase, TInt aSize);
1.160 + static TInt AllocRegion(TLinAddr& aBase, TInt aSize, TInt aAlign=0);
1.161 + static TInt ClaimRegion(TLinAddr aBase, TInt aSize);
1.162 + static TInt AllocContiguousRegion(TLinAddr& aBase, TInt aSize, TInt aAlign=0);
1.163 + static TInt BlockNumber(TPhysAddr aAddr);
1.164 +public:
1.165 + static TLinAddr UserDataSectionBase;
1.166 + static TLinAddr UserRomDataSectionEnd;
1.167 + static TLinAddr UserDataSectionEnd;
1.168 + static TLinAddr RomLinearBase;
1.169 + static DMutex* RamAllocatorMutex;
1.170 + static TBitMapAllocator* RamAllocator;
1.171 + static TBitMapAllocator* SecondaryAllocator;
1.172 + static TInt RamBlockSize;
1.173 + static TInt RamBlockShift;
1.174 + static TInt InitialFreeMemory;
1.175 + static TBool AllocFailed;
1.176 + };
1.177 +
1.178 +#endif