/*

* 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 "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:  

* naviengine_assp\assp.cia

*

*/

#include <e32cia.h>

#include <naviengine_priv.h>

#include <naviengine.h>

#include "navienginecia.h"

#include <upd35001_timer.h>

__NAKED__ void MsTimerTick(TAny* aPtr)

	{

	// Service 1ms tick interrupt

#ifdef TOGLE_UART_DTR_LINE

    asm("ldr r2, 3f");

    asm("add r2,r2,#0x10");             // KHwRoGpio_Port_Value

    asm("ldr r2, [r2]");

    asm("mov r3,#%a0" : : "i" ((TInt)(1<<9))); 

    asm("ands r2,r2,r3");

    asm("ldr r2, 3f");

    asm("add r2,r2,#0xc");               //r2 has KHwWoGpio_Port_Set_Clear_Lo

    asm("movne r3,r3,lsl #16");

    asm("str r3,[r2]");

#endif

    asm("ldr r1, 1f ");					// Base address of timer 0

	asm("mov r2, #%a0" : : "i" ((TInt)KNETimerGTIInt_TCI));

	asm("str r2, [r1, #%a0]" : : "i" _FOFF(NETimer,iGTInterrupt));	// clear interrupt

    asm("ldr r2, 2f ");                 // set period again  needed due to idle tick 

    asm("str r2, [r1, #%a0]" : : "i" _FOFF(NETimer,iTimerReset));	// supression

	asm("b  " CSM_ZN7NTimerQ4TickEv);	// Tick the millisecond timer

	asm("1: ");

	asm(".word %a0" : : "i" ((TInt)KHwTimersBase));

	asm("2: ");

	asm(".word %a0" : : "i" ((TInt)66666));

#ifdef TOGLE_UART_DTR_LINE

	asm("3: ");

	asm(".word %a0" : : "i" ((TInt)KHwGPIOBase));

#endif

	}

__NAKED__ TUint64 DoRead64(TLinAddr /*aAddr*/)

	{	

	asm("ldmia	r0, {r0-r1} ");

	__JUMP(,lr);	

	}

__NAKED__ void DoWrite64(TLinAddr aAddr, TUint64 aValue)

	{

#ifdef __EABI__

	asm("stmia	r0, {r2-r3} ");

#else

	asm("stmia	r0, {r1-r2} ");

#endif

	__JUMP(,lr);	            

	}