--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/mmu/d_asid.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,157 @@
+// Copyright (c) 2004-2009 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:
+// e32test\mmu\d_asid.cpp
+// 
+//
+
+#include <kernel/kern_priv.h>
+#include "d_asid.h"
+
+//
+// Class definitions
+//
+
+class DAsidFactory : public DLogicalDevice
+	{
+public:
+	~DAsidFactory();
+	virtual TInt Install();
+	virtual void GetCaps(TDes8& aDes) const;
+	virtual TInt Create(DLogicalChannelBase*& aChannel);
+	};
+
+class DAsidChannel : public DLogicalChannelBase
+	{
+public:
+	DAsidChannel();
+	~DAsidChannel();
+	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
+public:
+	DAsidFactory*	iFactory;
+private:
+	DThread* iThread;
+	};
+
+//
+// DAsidFactory
+//
+
+TInt DAsidFactory::Install()
+	{
+	return SetName(&KMemoryTestLddName);
+	}
+
+DAsidFactory::~DAsidFactory()
+	{
+	}
+
+void DAsidFactory::GetCaps(TDes8& /*aDes*/) const
+	{
+	// Not used but required as DLogicalDevice::GetCaps is pure virtual
+	}
+
+TInt DAsidFactory::Create(DLogicalChannelBase*& aChannel)
+	{
+	aChannel = NULL;
+	DAsidChannel* channel=new DAsidChannel;
+	if(!channel)
+		return KErrNoMemory;
+	channel->iFactory = this;
+	aChannel = channel;
+	return KErrNone;
+	}
+
+DECLARE_STANDARD_LDD()
+	{
+	return new DAsidFactory;
+	}
+
+//
+// DAsidChannel
+//
+
+TInt DAsidChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
+	{
+	return KErrNone;
+	}
+
+DAsidChannel::DAsidChannel() : iThread(NULL)
+	{
+	}
+
+DAsidChannel::~DAsidChannel()
+	{
+	if (iThread)
+		iThread->Close(NULL);
+	}
+
+
+TInt DAsidChannel::Request(TInt aFunction, TAny* a1, TAny* a2)
+	{
+	TInt r=KErrNotSupported;
+
+	switch(aFunction)
+		{
+		case RAsidLdd::EGetCurrentThread:
+			{
+			DThread* thread = &Kern::CurrentThread();
+			kumemput32(a1, (TAny*)&thread, sizeof(DThread*));
+			r = KErrNone;
+			}
+			break;
+
+		case RAsidLdd::EOpenThread:
+			{
+			if (iThread)
+				{
+				r = KErrInUse;
+				break;
+				}
+			iThread = (DThread*) a1;
+			iThread->Open();
+			r = KErrNone;
+			}
+			break;
+
+		case RAsidLdd::ECloseThread:
+			{
+			if (!iThread)
+				{
+				r = KErrNotFound;
+				break;
+				}
+			NKern::ThreadEnterCS();
+			iThread->Close(NULL);
+			iThread = NULL;
+			r = KErrNone;
+			NKern::ThreadLeaveCS();
+			}
+			break;
+			
+		case RAsidLdd::EReadDesHeader:
+			{
+			SDesHeader hdr;
+			TUint8* ptr;
+			kumemget32((TAny*)&hdr, a2, sizeof(SDesHeader));
+			r = Kern::ThreadGetDesInfo((DThread*)a1, hdr.iDes, hdr.iLength, hdr.iMaxLength, ptr, ETrue);
+			if (r == KErrNone)
+				{// copy the data back to user side struct.
+				kumemput32(a2, &hdr, sizeof(SDesHeader));
+				}
+			}
+			break;
+		}
+	return r;
+	}