// 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:

// e32\memmodel\epoc\direct\arm\xsched.cia

// 

//

#include <e32cia.h>

#include <arm_mem.h>

#define iMState		iWaitLink.iSpare1

#ifdef __SCHEDULER_MACHINE_CODED__

#if defined(_DEBUG)

extern "C" void __DebugMsgRequestComplete(TInt a0, TInt a1, TInt a2);

extern "C" void __DebugMsgReqCompleteWrite(TInt a0, TInt a1, TInt a2);

#endif

__NAKED__ void DThread::RequestComplete(TRequestStatus*& /*aStatus*/, TInt /*aReason*/)

//

// Signal this threads request semaphore.

//

	{

	ASM_DEBUG2(DThreadRequestComplete,r0,lr);

	asm("ldr r3, [r1] ");					// r3 points to TRequestStatus

	asm("mov r12, #0 ");

	asm("str r12, [r1] ");					// aStatus=NULL

	asm(".global _asm_RequestComplete ");

	asm("_asm_RequestComplete: ");

#ifdef BTRACE_REQUESTS

	asm("stmdb sp!,{r0-r3,lr}");

	asm("mov r1,r3");

	asm("mov r3,r2");											// arg3 = aReason

	asm("mov r2,r1");											// arg2 = aStatus

	asm("add r1,r0,#%a0" : : "i" _FOFF(DThread,iNThread));		// arg1 = &this->iNThread

	asm("ldr r0,_threadReqequestCompleteTraceHeader");			// arg0 = header

	asm("bl " CSM_ZN6BTrace4OutXEmmmm);

	asm("ldmia sp!,{r0-r3,lr}");

#endif

	ASM_DEBUG3(RequestComplete,r0,r3,r2);

	asm("ldrb r12, [r0, #%a0]" : : "i" _FOFF(DThread,iMState));

	asm("add r0, r0, #%a0" : : "i" _FOFF(DThread,iNThread));

	asm("cmp r12, #%a0" : : "i" (DThread::EDead));	// test if iMState=EDead

	asm("beq " CSM_ZN5NKern12UnlockSystemEv );		// if it is, finish

	asm("tst r3, #3 ");						// check address aligned

	asm("streq r2, [r3] ");					// if so, write completion code

	asm("moveq r1, #0 ");					// and signal thread

	asm("beq " CSM_ZN5NKern19ThreadRequestSignalEP7NThreadP10NFastMutex );

	asm("b " CSM_ZN5NKern12UnlockSystemEv ); // bad address, just finish.

#ifdef BTRACE_REQUESTS

	asm("_threadReqequestCompleteTraceHeader:");

	asm(".word %a0" : : "i" (BTRACE_HEADER_C(16,BTrace::ERequests,BTrace::ERequestComplete)));

#endif

	}

#endif