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".
8 // Initial Contributors:
9 // Nokia Corporation - initial contribution.
14 // e32\memmodel\epoc\direct\arm\xsched.cia
21 #define iMState iWaitLink.iSpare1
23 #ifdef __SCHEDULER_MACHINE_CODED__
26 extern "C" void __DebugMsgRequestComplete(TInt a0, TInt a1, TInt a2);
27 extern "C" void __DebugMsgReqCompleteWrite(TInt a0, TInt a1, TInt a2);
30 __NAKED__ void DThread::RequestComplete(TRequestStatus*& /*aStatus*/, TInt /*aReason*/)
32 // Signal this threads request semaphore.
35 ASM_DEBUG2(DThreadRequestComplete,r0,lr);
37 asm("ldr r3, [r1] "); // r3 points to TRequestStatus
39 asm("str r12, [r1] "); // aStatus=NULL
41 asm(".global _asm_RequestComplete ");
42 asm("_asm_RequestComplete: ");
44 #ifdef BTRACE_REQUESTS
45 asm("stmdb sp!,{r0-r3,lr}");
47 asm("mov r3,r2"); // arg3 = aReason
48 asm("mov r2,r1"); // arg2 = aStatus
49 asm("add r1,r0,#%a0" : : "i" _FOFF(DThread,iNThread)); // arg1 = &this->iNThread
50 asm("ldr r0,_threadReqequestCompleteTraceHeader"); // arg0 = header
51 asm("bl " CSM_ZN6BTrace4OutXEmmmm);
52 asm("ldmia sp!,{r0-r3,lr}");
55 ASM_DEBUG3(RequestComplete,r0,r3,r2);
56 asm("ldrb r12, [r0, #%a0]" : : "i" _FOFF(DThread,iMState));
57 asm("add r0, r0, #%a0" : : "i" _FOFF(DThread,iNThread));
58 asm("cmp r12, #%a0" : : "i" (DThread::EDead)); // test if iMState=EDead
59 asm("beq " CSM_ZN5NKern12UnlockSystemEv ); // if it is, finish
60 asm("tst r3, #3 "); // check address aligned
61 asm("streq r2, [r3] "); // if so, write completion code
62 asm("moveq r1, #0 "); // and signal thread
63 asm("beq " CSM_ZN5NKern19ThreadRequestSignalEP7NThreadP10NFastMutex );
64 asm("b " CSM_ZN5NKern12UnlockSystemEv ); // bad address, just finish.
65 #ifdef BTRACE_REQUESTS
66 asm("_threadReqequestCompleteTraceHeader:");
67 asm(".word %a0" : : "i" (BTRACE_HEADER_C(16,BTrace::ERequests,BTrace::ERequestComplete)));