// Copyright (c) 1997-2009 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_shadow.cia

// LDD for testing ROM shadowing

// 

//

#include <kernel/kern_priv.h>

#include <platform.h>

#include <kernel/cache.h>

#include "d_shadow.h"

#ifdef __MARM__

#include <arm.h>

__NAKED__ TInt DoRead(TAny*)

	{

	asm("mrs r2, cpsr ");

	asm("orr r3, r2, #%a0" : : "i" ((TInt)KAllInterruptsMask));

	asm("msr cpsr, r3 ");

	asm("mrc p15, 0, ip, c3, c0, 0 ");

	asm("mvn r1, #0 ");

	asm("mcr p15, 0, r1, c3, c0, 0 ");

	CPWAIT(,r1);

	asm("ldr r0, [r0] ");

	asm("mcr p15, 0, ip, c3, c0, 0 ");

	CPWAIT(,r1);

	asm("msr cpsr, r2 ");

	__JUMP(,lr);

	}

__NAKED__ TInt GetMmuId()

	{

	asm("mrc p15, 0, r0, c0, c0 ");

	__JUMP(,lr);

	}

__NAKED__ TInt GetCacheType()

	{

	asm("mrc p15, 0, r0, c0, c0, 1 ");

	__JUMP(,lr);

	}

__NAKED__ TUint GetTTBCR()

	{

	asm("mrc p15, 0, r0, c2, c0 ,2");

	__JUMP(,lr);

	}

__NAKED__ TUint GetControlRegister()

	{

	asm("mrc p15, 0, r0, c1, c0");

	__JUMP(,lr);

	}

#endif