kerneltest/e32test/demandpaging/d_ramstress.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:24:54 +0200
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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32test\demandpaging\d_ramsterss.cpp
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// 
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//
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#include <kernel/kern_priv.h>
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#include <kernel/cache.h>
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#include "t_ramstress.h"
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//
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// Class definitions
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//
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class DRamStressTestFactory : public DLogicalDevice
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	{
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public:
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	~DRamStressTestFactory();
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	virtual TInt Install();
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	virtual void GetCaps(TDes8& aDes) const;
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	virtual TInt Create(DLogicalChannelBase*& aChannel);
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	};
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class DRamStressTestChannel : public DLogicalChannelBase
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	{
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public:
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	DRamStressTestChannel();
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	~DRamStressTestChannel();
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	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
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	virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
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	TInt FreeRam();
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	TInt DoSetDebugFlag(TInt aState);
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	TInt DoSetEndFlag(TInt aState);
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public:
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	DRamStressTestFactory*	iFactory;
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private:
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	TInt DoMovePagesInZone(TUint aZoneIndex);
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	TInt DoPageMove(TLinAddr aAddr);
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	TInt DoAllocPagesInZone(TUint aZoneIndex);
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private:
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	TInt		 iDebug;
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	TInt		 iFinish;
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	TInt		 iThreadCounter;
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	TInt		 iPageSize;
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	};
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//
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// DRamStressTestFactory
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//
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TInt DRamStressTestFactory::Install()
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	{
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	return SetName(&KRamStressTestLddName);
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	}
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DRamStressTestFactory::~DRamStressTestFactory()
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	{
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	}
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void DRamStressTestFactory::GetCaps(TDes8& /*aDes*/) const
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	{
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	// Not used but required as DLogicalDevice::GetCaps is pure virtual
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	}
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TInt DRamStressTestFactory::Create(DLogicalChannelBase*& aChannel)
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	{
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	aChannel = NULL;
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	DRamStressTestChannel* channel=new DRamStressTestChannel;
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	if(!channel)
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		return KErrNoMemory;
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	channel->iFactory = this;
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	aChannel = channel;
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	return KErrNone;
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	}
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DECLARE_STANDARD_LDD()
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	{
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	return new DRamStressTestFactory;
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	}
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//
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// DRamStressTestChannel
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//
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TInt DRamStressTestChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
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	{
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	return KErrNone;
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	}
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//
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// DRamStressTestChannel::DRamStressTestChannel()
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//
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DRamStressTestChannel::DRamStressTestChannel()
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	: iDebug(0), iFinish(0), iThreadCounter(1), iPageSize(0)
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	{
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	TInt pageSize = 0;
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	if (Kern::HalFunction(EHalGroupKernel,EKernelHalPageSizeInBytes,&pageSize,0) == KErrNone)
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		{
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parents:
diff changeset
   115
		iPageSize = pageSize;
96e5fb8b040d Revision: 200951
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parents:
diff changeset
   116
		}
96e5fb8b040d Revision: 200951
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parents:
diff changeset
   117
	}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   118
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   119
//
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   120
// DRamStressTestChannel::~DRamStressTestChannel()
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parents:
diff changeset
   121
//
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   122
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   123
DRamStressTestChannel::~DRamStressTestChannel()
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parents:
diff changeset
   124
	{
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parents:
diff changeset
   125
	}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   126
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   127
//
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   128
// DRamStressTestChannel::Request
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   129
//
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   130
TInt DRamStressTestChannel::Request(TInt aFunction, TAny* a1, TAny* a2)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
	{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   132
	TInt threadCount = __e32_atomic_tas_ord32(&iThreadCounter, 1, 1, 0);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   133
	if (threadCount >= 2)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   134
		if (iDebug)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
			Kern::Printf("DRamStressTestChannel::Request threadCount = %d\n", threadCount);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   136
	NKern::ThreadEnterCS();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
	TInt retVal = KErrNotSupported;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
	switch(aFunction)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
		{
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
		case RRamStressTestLdd::EDoMovePagesInZone:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
			{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
			retVal = DoMovePagesInZone((TUint)a1);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
			}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
		break;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
	
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
		case RRamStressTestLdd::EDoSetDebugFlag:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
			{
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
			retVal = DoSetDebugFlag((TInt) a1);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
			}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   150
		break;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
		case RRamStressTestLdd::EDoSetEndFlag:
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
			{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
			retVal = DoSetEndFlag((TInt) a1);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
			}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
		break;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
		
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
		default: break;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
		}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
	NKern::ThreadLeaveCS();
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
	__e32_atomic_tas_ord32(&iThreadCounter, 1, -1, 0);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
	return retVal;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
	}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
TInt DRamStressTestChannel::DoAllocPagesInZone(TUint aZoneIndex)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
	{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
	TInt retVal = KErrNone;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
	return retVal;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
	}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
//
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
// DRamStressTestChannel::DoMovePagesInZone
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
//
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
TInt DRamStressTestChannel::DoMovePagesInZone(TUint aZoneIndex)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
	{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
	if (iDebug)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
		{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
		Kern::Printf("DRamStressTestChannel::DoMovePagesInZone(%d)", aZoneIndex);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
		}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
	// first get info on the 2 zones....
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
	struct SRamZoneConfig	zoneConfig;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
	TInt retVal;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
	if (KErrNone != Kern::HalFunction(EHalGroupRam,ERamHalGetZoneConfig,(TAny*)aZoneIndex, (TAny*)&zoneConfig))
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
		{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
		Kern::Printf("Error ::: DoMovePagesInZone : bad zone %d", aZoneIndex); 
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
		retVal = KErrArgument;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
		}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
	else
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
		{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
		//Kern::Printf("DoMovePagesInZone : zone %d", aZoneIndex); 
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
		TPhysAddr addr = zoneConfig.iPhysBase;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
		TUint moved = 0;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
		TUint failed = 0;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
		TUint unused = 0;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
		TUint bad = 0;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
		TUint nosupport = 0;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
		retVal = KErrNone;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
		while (addr < zoneConfig.iPhysEnd)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
			{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
			//Kern::Printf("DoMovePagesInZone(%d) moving 0x%08x", aZoneIndex, addr);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
			retVal = DoPageMove(addr);
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
			if (retVal == KErrNone)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
				{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
				moved ++;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
				}
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
			else
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
				{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
				switch (retVal)
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
					{
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
					case KErrArgument:
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
						bad ++;		
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
					break;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
					case KErrNotFound:
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
						unused ++;	
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
					break;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
					case KErrNotSupported:
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
						nosupport ++;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
					break;
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
					case KErrGeneral:
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
					default:
96e5fb8b040d Revision: 200951
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
						failed ++;
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						if (iDebug)
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							{
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							Kern::Printf("DRamStressTestChannel::DoMovePagesInZone(%d) failed 0x%08x err=%d", aZoneIndex, addr, retVal);
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							}
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					break;
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					}
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				}
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			addr += iPageSize;
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			NKern::Sleep(1);
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			if (iFinish)
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				{
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				Kern::Printf("DRamStressTestChannel::DoMovePagesInZone(%d) Finishing", aZoneIndex);
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				break;
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				}
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			}
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		if (iDebug)
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			{
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			Kern::Printf("DRamStressTestChannel::DoMovePagesInZone(%d) moved %u failed %u bad %u unused %u nosupport %u", aZoneIndex, moved, failed, bad, unused, nosupport);
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			}
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		retVal = (failed==0) ? KErrNone : KErrGeneral;
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		}
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	return retVal;
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	}
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//
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// DRamStressTestChannel::DoPageMove
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//
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   257
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TInt DRamStressTestChannel::DoPageMove(TPhysAddr aAddr)
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	{
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	aAddr = _ALIGN_DOWN(aAddr, iPageSize);
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   261
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	TInt r;
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	TPhysAddr aNew;
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	r=Epoc::MovePhysicalPage(aAddr, aNew);
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	if ((r==KErrNone) && (aNew == aAddr))
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   266
		{
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		Kern::Printf("DRamStressTestChannel::DoPageMove moved bad 0x%08x now 0x%08x ", aAddr, aNew);
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		r=KErrGeneral;
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		}
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	return r;
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	}
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   272
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   273
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TInt DRamStressTestChannel::FreeRam()
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	{
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	return Kern::FreeRamInBytes();
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	}
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   278
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TInt DRamStressTestChannel::DoSetDebugFlag(TInt aState)
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   280
	{
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	iDebug = aState;
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	return KErrNone;
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   283
	}
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   284
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TInt DRamStressTestChannel::DoSetEndFlag(TInt aState)
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   286
	{
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   287
	iFinish = aState;
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   288
	return KErrNone;
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   289
	}