kernel/eka/nkernsmp/arm/ncsched.cpp
author Slion
Tue, 08 Dec 2009 08:11:42 +0100
branchanywhere
changeset 19 f6d3d9676ee4
parent 0 a41df078684a
child 90 947f0dc9f7a8
child 256 c1f20ce4abcf
permissions -rw-r--r--
Trying to figure out how to implement my WINC like compatibility layer. Going the emulation way is probably not so smart. We should not use the kernel but rather hook native functions in the Exec calls.

// 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 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\nkernsmp\arm\ncsched.cpp
// 
//

// NThreadBase member data
#define __INCLUDE_NTHREADBASE_DEFINES__

#include <arm.h>

extern "C" void NewThreadTrace(NThread* a)
	{
	__ACQUIRE_BTRACE_LOCK();
	BTraceData.iHandler(BTRACE_HEADER_C(4,BTrace::ECpuUsage,BTrace::ENewThreadContext),0,(TUint32)a,0,0,0,0,0);
	__RELEASE_BTRACE_LOCK();
	}

extern "C" void __DebugMsgSendReschedIPI(int a)
	{
	__KTRACE_OPT(KSCHED2,DEBUGPRINT("@%d",a));
	}

extern "C" void __DebugMsgSendReschedIPIs(int a)
	{
	__KTRACE_OPT(KSCHED2,DEBUGPRINT("@%02x",a));
	}

extern "C" void __DebugMsgSendReschedIPIAndWait(int a)
	{
	__KTRACE_OPT(KSCHED2,DEBUGPRINT("@@%d",a));
	}

#ifdef __FAST_SEM_MACHINE_CODED__
extern "C" void PanicFastSemaphoreWait()
	{
	FAULT();
	}
#endif

#ifdef BTRACE_CPU_USAGE
extern "C" void btrace_irq_entry(TInt aVector)
	{
	BTrace4(BTrace::ECpuUsage, BTrace::EIrqStart, aVector);
	}

extern "C" void btrace_fiq_entry()
	{
	BTrace0(BTrace::ECpuUsage, BTrace::EFiqStart);
	}

extern "C" void btrace_irq_exit()
	{
	BTrace0(BTrace::ECpuUsage, BTrace::EIrqEnd);
	}

extern "C" void btrace_fiq_exit()
	{
	BTrace0(BTrace::ECpuUsage, BTrace::EFiqEnd);
	}
#endif

extern "C" void __DebugMsgIrq(TUint a)
	{
	if ((a & 0x3ffu) >= 0x20u)
		return;
	__KTRACE_OPT(KSCHED2,DEBUGPRINT("!%x",a));
	}


#ifdef _DEBUG
extern "C" void __DebugMsgFSWait(NFastSemaphore* a)
	{
	CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED|MASK_NO_FAST_MUTEX,"NFastSemaphore::Wait");
	NThreadBase* pC = NCurrentThreadL();
	__ASSERT_WITH_MESSAGE_ALWAYS(pC==a->iOwningThread,"The calling thread must own the semaphore","NFastSemaphore::Wait");
	}

extern "C" void __DebugMsgNKFSWait(NFastSemaphore* a)
	{
	__KTRACE_OPT(KNKERN,DEBUGPRINT("NFSW %m",a));
	NThreadBase* pC = NCurrentThread();
	__ASSERT_WITH_MESSAGE_ALWAYS(pC==a->iOwningThread,"The calling thread must own the semaphore","NKern::FSWait");
	}

extern "C" void __DebugMsgWFAR()
	{
	CHECK_PRECONDITIONS(MASK_THREAD_STANDARD,"NKern::WaitForAnyRequest");
	__KTRACE_OPT(KNKERN,DEBUGPRINT("WfAR"));
	}

extern "C" void __DebugMsgFSSignal(NFastSemaphore* /*a*/)
	{
	CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED|MASK_NOT_ISR,"NFastSemaphore::Signal");
	}

extern "C" void __DebugMsgFSSignalN(NFastSemaphore* /*a*/, TInt aCount)
	{
	CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED|MASK_NOT_ISR,"NFastSemaphore::SignalN");			
	__NK_ASSERT_DEBUG(aCount>=0);
	}

extern "C" void __DebugMsgNKThreadRequestSignalN(NThread* /*aThread*/, TInt aCount)
	{
	__ASSERT_WITH_MESSAGE_DEBUG(aCount>=0, "aCount>=0", "NKern::ThreadRequestSignal");
	}

extern "C" void __DebugMsgNKThreadRequestSignal(NThread* /*aThread*/)
	{
	}

extern "C" void __DebugMsgNKFSSignal(NFastSemaphore* a)
	{
	CHECK_PRECONDITIONS(MASK_INTERRUPTS_ENABLED|MASK_NOT_ISR,"NKern::FSSignal(NFastSemaphore*)");
	__KTRACE_OPT(KNKERN,DEBUGPRINT("NFSS %m",a));
	}

extern "C" void __DebugMsgNKFSSignalN(NFastSemaphore* a, TInt aCount)
	{
	CHECK_PRECONDITIONS(MASK_INTERRUPTS_ENABLED|MASK_NOT_ISR,"NKern::FSSignalN(NFastSemaphore*, TInt)");
	__KTRACE_OPT(KNKERN,DEBUGPRINT("NFSSN %m %d",a,aCount));
	__NK_ASSERT_DEBUG(aCount>=0);
	}

extern "C" void __DebugMsgFMSignal(NFastMutex* /*a*/)
	{
	CHECK_PRECONDITIONS(MASK_KERNEL_LOCKED,"NFastMutex::Signal");
	}

extern "C" void __DebugMsgNKFMWait(NFastMutex* a)
	{
	__KTRACE_OPT(KNKERN,DEBUGPRINT("NFMW %M", a));
	CHECK_PRECONDITIONS(MASK_THREAD_STANDARD,"NKern::FMWait");
	}

extern "C" void __DebugMsgNKFMSignal(NFastMutex* a)
	{
	__KTRACE_OPT(KNKERN,DEBUGPRINT("NFMS %M", a));
	CHECK_PRECONDITIONS(MASK_KERNEL_UNLOCKED | MASK_INTERRUPTS_ENABLED | MASK_NOT_ISR | MASK_NOT_IDFC, "NKern::FMSignal");
	__ASSERT_WITH_MESSAGE_DEBUG(a->HeldByCurrentThread(),"The calling thread holds the mutex","NKern::FMSignal");
	}

extern "C" void __DebugMsgNKFMFlash(NFastMutex* a)
	{
	CHECK_PRECONDITIONS(MASK_KERNEL_UNLOCKED | MASK_INTERRUPTS_ENABLED | MASK_NOT_ISR | MASK_NOT_IDFC, "NKern::FMFlash");
	__ASSERT_WITH_MESSAGE_DEBUG(a->HeldByCurrentThread(),"The calling thread holds the mutex","NKern::FMFlash");
	}

#endif