sl@0: // Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\include\memmodel\epoc\direct\memmodel.h
sl@0: // 
sl@0: // WARNING: This file contains some APIs which are internal and are subject
sl@0: //          to change without notice. Such APIs should therefore not be used
sl@0: //          outside the Kernel and Hardware Services package.
sl@0: //
sl@0: 
sl@0: #ifndef __MEMMODEL_H__
sl@0: #define __MEMMODEL_H__
sl@0: #include <plat_priv.h>
sl@0: 
sl@0: /********************************************
sl@0:  * Process Control Block
sl@0:  ********************************************/
sl@0: 
sl@0: class DMemModelChunk;
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: class DMemModelProcess : public DEpocProcess
sl@0: 	{
sl@0: public:
sl@0: 	void Destruct();
sl@0: public:
sl@0: 	virtual TInt DoCreate(TBool aKernelProcess, TProcessCreateInfo& aInfo);
sl@0: 	virtual TInt NewChunk(DChunk*& aChunk, SChunkCreateInfo& anInfo, TLinAddr& aRunAddr);
sl@0: 	virtual TInt AddChunk(DChunk* aChunk,TBool isReadOnly);
sl@0: 	virtual TInt NewShPool(DShPool*& aPool, TShPoolCreateInfo& aInfo);
sl@0: 	virtual TInt CreateDataBssStackArea(TProcessCreateInfo& aInfo);
sl@0: 	virtual TInt MapCodeSeg(DCodeSeg* aCodeSeg);
sl@0: 	virtual void UnmapCodeSeg(DCodeSeg* aCodeSeg);
sl@0: 	virtual void RemoveDllData();
sl@0: 	virtual void FinalRelease();
sl@0: public:
sl@0: 	friend class Monitor;
sl@0: 	};
sl@0: 
sl@0: /********************************************
sl@0:  * Chunk Control Block
sl@0:  ********************************************/
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: class DMemModelChunk : public DChunk
sl@0: 	{
sl@0: public:
sl@0: 	enum TMemModelChunkAttributes
sl@0: 		{
sl@0: 		EPrivate=0x10000000,
sl@0: 	
sl@0: 		EMMChunkAttributesMask = EPrivate,
sl@0: 		};
sl@0: 
sl@0: public:
sl@0: 	~DMemModelChunk();
sl@0: public:
sl@0: //	virtual TInt Close(TAny* aPtr);
sl@0: 	virtual TInt DoCreate(SChunkCreateInfo& anInfo);
sl@0: 	virtual TInt Adjust(TInt aNewSize);
sl@0: 	virtual TInt AdjustDoubleEnded(TInt aBottom, TInt aTop);
sl@0: 	virtual TInt CheckAccess();
sl@0: 	virtual TInt Commit(TInt anOffset, TInt aSize, TCommitType aCommitType=DChunk::ECommitDiscontiguous, TUint32* aExtraArg=0);
sl@0: 	virtual TInt Allocate(TInt aSize, TInt aGuard=0, TInt aAlign=0);
sl@0: 	virtual TInt Decommit(TInt anOffset, TInt aSize);
sl@0: 	virtual TInt Lock(TInt anOffset, TInt aSize);
sl@0: 	virtual TInt Unlock(TInt anOffset, TInt aSize);
sl@0: 	virtual TInt Address(TInt aOffset, TInt aSize, TLinAddr& aKernelAddress);
sl@0: 	virtual TInt PhysicalAddress(TInt aOffset, TInt aSize, TLinAddr& aKernelAddress, TUint32& aPhysicalAddress, TUint32* aPhysicalPageList=NULL);
sl@0: 	virtual void BTracePrime(TInt aCategory);
sl@0: 	virtual void Substitute(TInt aOffset, TPhysAddr aOldAddr, TPhysAddr aNewAddr);
sl@0: 	virtual TUint8* Base(DProcess* aProcess);
sl@0: 	inline TUint8* Base() const { return DChunk::Base(); }
sl@0: public:
sl@0: 	void SetFixedAddress(TLinAddr anAddr, TInt aSize);
sl@0: public:
sl@0: 	TLinAddr iRegionBase;
sl@0: 	TInt iRegionSize;
sl@0: public:
sl@0: 	friend class Monitor;
sl@0: 	};
sl@0: 
sl@0: /********************************************
sl@0:  * Code segment
sl@0:  ********************************************/
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: class DMemModelCodeSegMemory : public DEpocCodeSegMemory
sl@0: 	{
sl@0: public:
sl@0: 	DMemModelCodeSegMemory(DEpocCodeSeg* aCodeSeg);
sl@0: 	};
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: class DMemModelCodeSeg: public DEpocCodeSeg
sl@0: 	{
sl@0: public:
sl@0: 	DMemModelCodeSeg();
sl@0: 	virtual ~DMemModelCodeSeg();
sl@0: 	virtual TInt DoCreateRam(TCodeSegCreateInfo& aInfo, DProcess* aProcess);
sl@0: 	virtual TInt DoCreateXIP(DProcess* aProcess);
sl@0: 	virtual TInt Loaded(TCodeSegCreateInfo& aInfo);
sl@0: 	virtual void ReadExportDir(TUint32* aDest);
sl@0: 	virtual TBool FindCheck(DProcess* aProcess);
sl@0: 	virtual TBool OpenCheck(DProcess* aProcess);
sl@0: public:
sl@0: 	TLinAddr iDataAlloc;
sl@0: 	TAny* iKernelData;			// only for kernel modules
sl@0: 	};
sl@0: 
sl@0: /********************************************
sl@0:  * Functions/Data defined in memory model
sl@0:  ********************************************/
sl@0: 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: class MM
sl@0: 	{
sl@0: public:
sl@0: 	enum TMemModelPanic
sl@0: 		{
sl@0: 		ERamAllocCreateFailed=0,
sl@0: 		ERamAllocMutexCreateFailed=1,
sl@0: 		EFreeInvalidRegion=2,
sl@0: 		ECodeSegCheckInconsistent=3,
sl@0: 		ESecAllocCreateFailed=4,
sl@0: 		EUnsupportedOperation=5,
sl@0: 		};
sl@0: 
sl@0: 	static void Panic(TMemModelPanic aPanic);
sl@0: public:
sl@0: 	static void Init1();
sl@0: 	static void StartCrashDebugger();
sl@0: 	static void WaitRamAlloc();
sl@0: 	static void SignalRamAlloc();
sl@0: 	static TUint32 RoundToBlockSize(TUint32 aSize);
sl@0: 	static void FreeRegion(TLinAddr aBase, TInt aSize);
sl@0: 	static TInt AllocRegion(TLinAddr& aBase, TInt aSize, TInt aAlign=0);
sl@0: 	static TInt ClaimRegion(TLinAddr aBase, TInt aSize);
sl@0: 	static TInt AllocContiguousRegion(TLinAddr& aBase, TInt aSize, TInt aAlign=0);
sl@0: 	static TInt BlockNumber(TPhysAddr aAddr);
sl@0: public:
sl@0: 	static TLinAddr UserDataSectionBase;
sl@0: 	static TLinAddr UserRomDataSectionEnd;
sl@0: 	static TLinAddr UserDataSectionEnd;
sl@0: 	static TLinAddr RomLinearBase;
sl@0: 	static DMutex* RamAllocatorMutex;
sl@0: 	static TBitMapAllocator* RamAllocator;
sl@0: 	static TBitMapAllocator* SecondaryAllocator;
sl@0: 	static TInt RamBlockSize;
sl@0: 	static TInt RamBlockShift;
sl@0: 	static TInt InitialFreeMemory;
sl@0: 	static TBool AllocFailed;
sl@0: 	};
sl@0: 
sl@0: #endif