sl@0: // Copyright (c) 2004-2009 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: // e32test\mmu\d_asid.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <kernel/kern_priv.h>
sl@0: #include "d_asid.h"
sl@0: 
sl@0: //
sl@0: // Class definitions
sl@0: //
sl@0: 
sl@0: class DAsidFactory : public DLogicalDevice
sl@0: 	{
sl@0: public:
sl@0: 	~DAsidFactory();
sl@0: 	virtual TInt Install();
sl@0: 	virtual void GetCaps(TDes8& aDes) const;
sl@0: 	virtual TInt Create(DLogicalChannelBase*& aChannel);
sl@0: 	};
sl@0: 
sl@0: class DAsidChannel : public DLogicalChannelBase
sl@0: 	{
sl@0: public:
sl@0: 	DAsidChannel();
sl@0: 	~DAsidChannel();
sl@0: 	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
sl@0: 	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
sl@0: public:
sl@0: 	DAsidFactory*	iFactory;
sl@0: private:
sl@0: 	DThread* iThread;
sl@0: 	};
sl@0: 
sl@0: //
sl@0: // DAsidFactory
sl@0: //
sl@0: 
sl@0: TInt DAsidFactory::Install()
sl@0: 	{
sl@0: 	return SetName(&KMemoryTestLddName);
sl@0: 	}
sl@0: 
sl@0: DAsidFactory::~DAsidFactory()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void DAsidFactory::GetCaps(TDes8& /*aDes*/) const
sl@0: 	{
sl@0: 	// Not used but required as DLogicalDevice::GetCaps is pure virtual
sl@0: 	}
sl@0: 
sl@0: TInt DAsidFactory::Create(DLogicalChannelBase*& aChannel)
sl@0: 	{
sl@0: 	aChannel = NULL;
sl@0: 	DAsidChannel* channel=new DAsidChannel;
sl@0: 	if(!channel)
sl@0: 		return KErrNoMemory;
sl@0: 	channel->iFactory = this;
sl@0: 	aChannel = channel;
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: DECLARE_STANDARD_LDD()
sl@0: 	{
sl@0: 	return new DAsidFactory;
sl@0: 	}
sl@0: 
sl@0: //
sl@0: // DAsidChannel
sl@0: //
sl@0: 
sl@0: TInt DAsidChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: DAsidChannel::DAsidChannel() : iThread(NULL)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: DAsidChannel::~DAsidChannel()
sl@0: 	{
sl@0: 	if (iThread)
sl@0: 		iThread->Close(NULL);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt DAsidChannel::Request(TInt aFunction, TAny* a1, TAny* a2)
sl@0: 	{
sl@0: 	TInt r=KErrNotSupported;
sl@0: 
sl@0: 	switch(aFunction)
sl@0: 		{
sl@0: 		case RAsidLdd::EGetCurrentThread:
sl@0: 			{
sl@0: 			DThread* thread = &Kern::CurrentThread();
sl@0: 			kumemput32(a1, (TAny*)&thread, sizeof(DThread*));
sl@0: 			r = KErrNone;
sl@0: 			}
sl@0: 			break;
sl@0: 
sl@0: 		case RAsidLdd::EOpenThread:
sl@0: 			{
sl@0: 			if (iThread)
sl@0: 				{
sl@0: 				r = KErrInUse;
sl@0: 				break;
sl@0: 				}
sl@0: 			iThread = (DThread*) a1;
sl@0: 			iThread->Open();
sl@0: 			r = KErrNone;
sl@0: 			}
sl@0: 			break;
sl@0: 
sl@0: 		case RAsidLdd::ECloseThread:
sl@0: 			{
sl@0: 			if (!iThread)
sl@0: 				{
sl@0: 				r = KErrNotFound;
sl@0: 				break;
sl@0: 				}
sl@0: 			NKern::ThreadEnterCS();
sl@0: 			iThread->Close(NULL);
sl@0: 			iThread = NULL;
sl@0: 			r = KErrNone;
sl@0: 			NKern::ThreadLeaveCS();
sl@0: 			}
sl@0: 			break;
sl@0: 			
sl@0: 		case RAsidLdd::EReadDesHeader:
sl@0: 			{
sl@0: 			SDesHeader hdr;
sl@0: 			TUint8* ptr;
sl@0: 			kumemget32((TAny*)&hdr, a2, sizeof(SDesHeader));
sl@0: 			r = Kern::ThreadGetDesInfo((DThread*)a1, hdr.iDes, hdr.iLength, hdr.iMaxLength, ptr, ETrue);
sl@0: 			if (r == KErrNone)
sl@0: 				{// copy the data back to user side struct.
sl@0: 				kumemput32(a2, &hdr, sizeof(SDesHeader));
sl@0: 				}
sl@0: 			}
sl@0: 			break;
sl@0: 		}
sl@0: 	return r;
sl@0: 	}