We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass
of the rom input files can be informed what toolchain we are building with and conditionally
include or exclude files depending on whether the toolchain could build them.
// Copyright (c) 1994-2009 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\nkern\x86\ncutils.cpp
//
//
#include <x86.h>
//#define __DBG_MON_FAULT__
//#define __RAM_LOADED_CODE__
//#define __EARLY_DEBUG__
void InitFpu();
TUint32 ContextId()
{
switch(NKern::CurrentContext())
{
case NKern::EThread:
return (TUint32)NKern::CurrentThread();
case NKern::EIDFC:
return 3;
case NKern::EInterrupt:
return 2;
default:
return 0;
}
}
EXPORT_C TBool BTrace::Out(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
TUint32 pc = (&a0)[-1]; // return address on X86
return traceData.iHandler(a0,0,0,a1,a2,a3,0,pc);
}
EXPORT_C TBool BTrace::OutX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
TUint32 context = ContextId();
TUint32 pc = (&a0)[-1]; // return address on X86
return traceData.iHandler(a0,0,context,a1,a2,a3,0,pc);
}
EXPORT_C TBool BTrace::OutN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(TUint(aDataSize)>KMaxBTraceDataArray)
{
aDataSize = KMaxBTraceDataArray;
a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8);
}
a0 += aDataSize<<(BTrace::ESizeIndex*8);
TUint32 pc = (&a0)[-1]; // return address on X86
if(!aDataSize)
return traceData.iHandler(a0,0,0,a1,a2,0,0,pc);
else if(aDataSize<=4)
return traceData.iHandler(a0,0,0,a1,a2,*(TUint32*)aData,0,pc);
else
return traceData.iHandler(a0,0,0,a1,a2,(TUint32)aData,0,pc);
}
EXPORT_C TBool BTrace::OutNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(TUint(aDataSize)>KMaxBTraceDataArray)
{
aDataSize = KMaxBTraceDataArray;
a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8);
}
a0 += aDataSize<<(BTrace::ESizeIndex*8);
TUint32 context = ContextId();
TUint32 pc = (&a0)[-1]; // return address on X86
if(!aDataSize)
return traceData.iHandler(a0,0,context,a1,a2,0,0,pc);
else if(aDataSize<=4)
return traceData.iHandler(a0,0,context,a1,a2,*(TUint32*)aData,0,pc);
else
return traceData.iHandler(a0,0,context,a1,a2,(TUint32)aData,0,pc);
}
EXPORT_C TBool BTrace::OutBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize)
{
TUint32 context = ContextId();
TUint32 pc = (&a0)[-1]; // return address on X86
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
return DoOutBig(a0,a1,aData,aDataSize,context,pc);
}
EXPORT_C TBool BTrace::OutFiltered(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(!traceData.CheckFilter2(a1))
return FALSE;
TUint32 pc = (&a0)[-1]; // return address on X86
return traceData.iHandler(a0,0,0,a1,a2,a3,0,pc);
}
EXPORT_C TBool BTrace::OutFilteredX(TUint32 a0, TUint32 a1, TUint32 a2, TUint32 a3)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(!traceData.CheckFilter2(a1))
return FALSE;
TUint32 context = ContextId();
TUint32 pc = (&a0)[-1]; // return address on X86
return traceData.iHandler(a0,0,context,a1,a2,a3,0,pc);
}
EXPORT_C TBool BTrace::OutFilteredN(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(!traceData.CheckFilter2(a1))
return FALSE;
if(TUint(aDataSize)>KMaxBTraceDataArray)
{
aDataSize = KMaxBTraceDataArray;
a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8);
}
a0 += aDataSize<<(BTrace::ESizeIndex*8);
TUint32 pc = (&a0)[-1]; // return address on X86
if(!aDataSize)
return traceData.iHandler(a0,0,0,a1,a2,0,0,pc);
else if(aDataSize<=4)
return traceData.iHandler(a0,0,0,a1,a2,*(TUint32*)aData,0,pc);
else
return traceData.iHandler(a0,0,0,a1,a2,(TUint32)aData,0,pc);
}
EXPORT_C TBool BTrace::OutFilteredNX(TUint32 a0, TUint32 a1, TUint32 a2, const TAny* aData, TInt aDataSize)
{
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(!traceData.CheckFilter2(a1))
return FALSE;
if(TUint(aDataSize)>KMaxBTraceDataArray)
{
aDataSize = KMaxBTraceDataArray;
a0 |= BTrace::ERecordTruncated<<(BTrace::EFlagsIndex*8);
}
a0 += aDataSize<<(BTrace::ESizeIndex*8);
TUint32 context = ContextId();
TUint32 pc = (&a0)[-1]; // return address on X86
if(!aDataSize)
return traceData.iHandler(a0,0,context,a1,a2,0,0,pc);
else if(aDataSize<=4)
return traceData.iHandler(a0,0,context,a1,a2,*(TUint32*)aData,0,pc);
else
return traceData.iHandler(a0,0,context,a1,a2,(TUint32)aData,0,pc);
}
EXPORT_C TBool BTrace::OutFilteredBig(TUint32 a0, TUint32 a1, const TAny* aData, TInt aDataSize)
{
TUint32 context = ContextId();
TUint32 pc = (&a0)[-1]; // return address on X86
SBTraceData& traceData = BTraceData;
if(!traceData.iFilter[(a0>>BTrace::ECategoryIndex*8)&0xff])
return FALSE;
if(!traceData.CheckFilter2(a1))
return FALSE;
return DoOutBig(a0,a1,aData,aDataSize,context,pc);
}
EXPORT_C TBool BTrace::OutFilteredPcFormatBig(TUint32 aHeader, TUint32 aModuleUid, TUint32 aPc, TUint16 aFormatId, const TAny* aData, TInt aDataSize)
{
return EFalse; //kernel side not implemented yet
}
TInt BTraceDefaultControl(BTrace::TControl /*aFunction*/, TAny* /*aArg1*/, TAny* /*aArg2*/)
{
return KErrNotSupported;
}
EXPORT_C void BTrace::SetHandlers(BTrace::THandler aNewHandler, BTrace::TControlFunction aNewControl, BTrace::THandler& aOldHandler, BTrace::TControlFunction& aOldControl)
{
TUint irq = NKern::DisableAllInterrupts();
aOldHandler = BTraceData.iHandler;
BTraceData.iHandler = aNewHandler;
TheScheduler.iBTraceHandler = aNewHandler;
aOldControl = BTraceData.iControl;
BTraceData.iControl = aNewControl ? aNewControl : BTraceDefaultControl;
NKern::RestoreInterrupts(irq);
}
EXPORT_C TInt BTrace::SetFilter(TUint aCategory, TInt aValue)
{
if(!IsSupported(aCategory))
return KErrNotSupported;
TUint8* filter = BTraceData.iFilter+aCategory;
TUint oldValue = *filter;
if(TUint(aValue)<=1u)
{
*filter = (TUint8)aValue;
BTraceContext4(BTrace::EMetaTrace, BTrace::EMetaTraceFilterChange, (TUint8)aCategory | (aValue<<8));
if(aCategory==ECpuUsage)
{
TheScheduler.iCpuUsageFilter = (TUint8)aValue;
}
}
return oldValue;
}
EXPORT_C SCpuIdleHandler* NKern::CpuIdleHandler()
{
return &::CpuIdleHandler;
}
void NKern::Init0(TAny*)
{
InitFpu();
}
EXPORT_C TUint32 NKern::CpuTimeMeasFreq()
{
#ifdef MONITOR_THREAD_CPU_TIME
return NKern::FastCounterFrequency();
#else
return 0;
#endif
}