1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // e32test\mmu\d_shadow.cia

    15 // LDD for testing ROM shadowing

    16 // 

    17 //

    18 

    19 #include <kernel/kern_priv.h>

    20 #include <platform.h>

    21 #include <kernel/cache.h>

    22 #include "d_shadow.h"

    23 

    24 #ifdef __MARM__

    25 #include <arm.h>

    26 

    27 __NAKED__ TInt DoRead(TAny*)

    28 	{

    29 	asm("mrs r2, cpsr ");

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

    31 	asm("msr cpsr, r3 ");

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

    33 	asm("mvn r1, #0 ");

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

    35 	CPWAIT(,r1);

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

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

    38 	CPWAIT(,r1);

    39 	asm("msr cpsr, r2 ");

    40 	__JUMP(,lr);

    41 	}

    42 

    43 __NAKED__ TInt GetMmuId()

    44 	{

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

    46 	__JUMP(,lr);

    47 	}

    48 

    49 __NAKED__ TInt GetCacheType()

    50 	{

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

    52 	__JUMP(,lr);

    53 	}

    54 

    55 __NAKED__ TUint GetTTBCR()

    56 	{

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

    58 	__JUMP(,lr);

    59 	}

    60 

    61 __NAKED__ TUint GetControlRegister()

    62 	{

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

    64 	__JUMP(,lr);

    65 	}

    66 	

    67 #endif