// Copyright (c) 1994-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// Kernel crash debugger - machine independent portion

// 

//

#define INCLUDED_FROM_ASM	// Make DMemModelProcess::iOsAsid public, safe to 

							// do here as the system has crashed and the inline

							// DMemModelProcess::OsAsid() requires too much kernel knowlodge.

#include <kernel/monitor.h>

#include <memmodel.h>

void Monitor::DumpMemModelProcessData(DProcess* aProcess)

	{

	DMemModelProcess* pP=(DMemModelProcess*)aProcess;

	// Read the os asid without opening a reference as after the crash this 

	// is the only running thread.

	Printf("OS ASID=%d, LPD=%08x\r\n",pP->iOsAsid,pP->iPageDir);

	Printf("ChunkCount=%d ChunkAlloc=%d\r\n",pP->iChunkCount,pP->iChunkAlloc);

	TInt i;

	for (i=0; i<pP->iChunkCount; i++)

		{

		DMemModelProcess::SChunkInfo& ci=pP->iChunks[i];

		Printf("%d: Chunk %08x, access count %d\r\n",i,ci.iChunk,ci.iAccessCount);

		}

	}

void Monitor::DumpChunkData(DChunk* aChunk)

	{

	DMemModelChunk* pC=(DMemModelChunk*)aChunk;

	Printf("Owning Process %08x OS ASIDS %08x\r\n",pC->iOwningProcess);

	Printf("Size %x, MaxSize %x\r\n",pC->iSize,pC->iMaxSize);

	Printf("Attrib %x, StartPos %x\r\n",pC->iAttributes,pC->iStartPos);

	Printf("Type %d\r\n",pC->iChunkType);

	Printf("PageBitMap=%08x\r\n",pC->iPageBitMap);

	DumpCpuChunkData(pC);

	}

void Monitor::MMProcessInfoCommand()

	{

	TScheduler* pS=TScheduler::Ptr();

#ifdef __SMP__

	TInt i;

	for (i=0; i<KMaxCpus; ++i)

		{

		DMonObject* pA = (DMonObject*)pS->iSub[i]->iAddressSpace;

		Printf("CPU%d: TheCurrentAddressSpace=%08x\r\n",i,pA);

		}

#else

	DMonObject* pA=(DMonObject*)pS->iAddressSpace;

	Printf("TheCurrentAddressSpace=%08x\r\n",pA);

#endif

	}

void Monitor::MDisplayCodeSeg(DCodeSeg* aSeg)

	{

	DMemModelCodeSeg* seg = (DMemModelCodeSeg*) aSeg;

	DMemModelCodeSegMemory* mem = seg->Memory();

	Printf("   iKernelData: %08x\r\n",seg->iKernelData);

	Printf("   iCreator: %08x\r\n",mem ? mem->iCreator : 0);

	}

extern TInt MapProcess(DMemModelProcess* aProcess, TBool aForce);

EXPORT_C TUint Monitor::MapAndLocateUserStack(DThread* aThread)

	{

	DMemModelProcess* pP=(DMemModelProcess*)aThread->iOwningProcess;

	TInt r = SwitchAddressSpace(pP, EFalse);

	if (r!=KErrNone)

		return 0;

	return aThread->iUserStackRunAddress;

	}

EXPORT_C TInt Monitor::SwitchAddressSpace(DProcess* aProcess, TBool aForce)

	{

	return MapProcess((DMemModelProcess*)aProcess, aForce);

	}