sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // e32\memmodel\epoc\direct\arm\xsched.cia
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include <e32cia.h>
sl@0: #include <arm_mem.h>
sl@0: 
sl@0: #define iMState		iWaitLink.iSpare1
sl@0: 
sl@0: #ifdef __SCHEDULER_MACHINE_CODED__
sl@0: 
sl@0: #if defined(_DEBUG)
sl@0: extern "C" void __DebugMsgRequestComplete(TInt a0, TInt a1, TInt a2);
sl@0: extern "C" void __DebugMsgReqCompleteWrite(TInt a0, TInt a1, TInt a2);
sl@0: #endif
sl@0: 
sl@0: __NAKED__ void DThread::RequestComplete(TRequestStatus*& /*aStatus*/, TInt /*aReason*/)
sl@0: //
sl@0: // Signal this threads request semaphore.
sl@0: //
sl@0: 	{
sl@0: 	ASM_DEBUG2(DThreadRequestComplete,r0,lr);
sl@0: 
sl@0: 	asm("ldr r3, [r1] ");					// r3 points to TRequestStatus
sl@0: 	asm("mov r12, #0 ");
sl@0: 	asm("str r12, [r1] ");					// aStatus=NULL
sl@0: 
sl@0: 	asm(".global _asm_RequestComplete ");
sl@0: 	asm("_asm_RequestComplete: ");
sl@0: 
sl@0: #ifdef BTRACE_REQUESTS
sl@0: 	asm("stmdb sp!,{r0-r3,lr}");
sl@0: 	asm("mov r1,r3");
sl@0: 	asm("mov r3,r2");											// arg3 = aReason
sl@0: 	asm("mov r2,r1");											// arg2 = aStatus
sl@0: 	asm("add r1,r0,#%a0" : : "i" _FOFF(DThread,iNThread));		// arg1 = &this->iNThread
sl@0: 	asm("ldr r0,_threadReqequestCompleteTraceHeader");			// arg0 = header
sl@0: 	asm("bl " CSM_ZN6BTrace4OutXEmmmm);
sl@0: 	asm("ldmia sp!,{r0-r3,lr}");
sl@0: #endif
sl@0: 
sl@0: 	ASM_DEBUG3(RequestComplete,r0,r3,r2);
sl@0: 	asm("ldrb r12, [r0, #%a0]" : : "i" _FOFF(DThread,iMState));
sl@0: 	asm("add r0, r0, #%a0" : : "i" _FOFF(DThread,iNThread));
sl@0: 	asm("cmp r12, #%a0" : : "i" (DThread::EDead));	// test if iMState=EDead
sl@0: 	asm("beq " CSM_ZN5NKern12UnlockSystemEv );		// if it is, finish
sl@0: 	asm("tst r3, #3 ");						// check address aligned
sl@0: 	asm("streq r2, [r3] ");					// if so, write completion code
sl@0: 	asm("moveq r1, #0 ");					// and signal thread
sl@0: 	asm("beq " CSM_ZN5NKern19ThreadRequestSignalEP7NThreadP10NFastMutex );
sl@0: 	asm("b " CSM_ZN5NKern12UnlockSystemEv ); // bad address, just finish.
sl@0: #ifdef BTRACE_REQUESTS
sl@0: 	asm("_threadReqequestCompleteTraceHeader:");
sl@0: 	asm(".word %a0" : : "i" (BTRACE_HEADER_C(16,BTrace::ERequests,BTrace::ERequestComplete)));
sl@0: #endif
sl@0: 	}
sl@0: 
sl@0: #endif
sl@0: