// Copyright (c) 2008-2009 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\device\d_ldd2.cpp

// Secondary LDD for testing linking one driver to another

// 

//

#include <kernel/kernel.h>

#include "d_ldd2.h"

TInt AFunction()

	{

	return KErrNone;

	}

TInt data=0x100;

TAny* dataptr=(TAny*)&AFunction;

TInt TheBss;

class TGlobal

	{

public:

	TGlobal();

	~TGlobal();

	void Update(TUint32 a);

	TInt Verify();

public:

	TUint32 iInt;

	TAny* iPtr;

	};

TGlobal Global;

TGlobal::TGlobal()

	{

	__KTRACE_OPT(KDEVICE,Kern::Printf("TGlobal::TGlobal()"));

	iPtr = Kern::Alloc(65536);

	Update(487);

	}

TGlobal::~TGlobal()

	{

	__KTRACE_OPT(KDEVICE,Kern::Printf("TGlobal::~TGlobal()"));

	Kern::Free(iPtr);

	}

void TGlobal::Update(TUint32 a)

	{

	iInt = a;

	if (iPtr)

		{

		TUint32* p = (TUint32*)iPtr;

		TUint32* pE = p + 65536/4;

		while (p<pE)

			{

			a = (a*69069u)+41;

			*p++ = a;

			}

		}

	}

TInt TGlobal::Verify()

	{

	TUint32 x = iInt;

	if (iPtr)

		{

		TUint32* p = (TUint32*)iPtr;

		TUint32* pE = p + 65536/4;

		while (p<pE)

			{

			x = (x*69069u)+41;

			if (*p++ != x)

				return KErrGeneral;

			}

		return KErrNone;

		}

	return KErrNoMemory;

	}

EXPORT_C TInt LinkedTest1()

	{

	return (TInt)dataptr;

	}

EXPORT_C TInt LinkedTest2()

	{

	return data++;

	}

EXPORT_C TInt LinkedTest3()

	{

	return data--;

	}

EXPORT_C TInt LinkedTest4()

	{

	return data;

	}

EXPORT_C TInt LinkedTest5()

	{

	return TheBss;

	}

EXPORT_C TInt LinkedTest6(TInt aValue)

	{

	TheBss = aValue;

	return KErrNone;

	}

EXPORT_C TUint32 LinkedTest7()

	{

	return (TInt)Global.iInt;

	}

EXPORT_C void LinkedTest8(TUint32 aValue)

	{

	Global.Update(aValue);

	}

EXPORT_C TInt LinkedTest9()

	{

	return Global.Verify();

	}

DECLARE_STANDARD_LDD()

	{

	return NULL;

	}