kernel/eka/drivers/trace/btracex.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 18 Aug 2010 11:08:29 +0300
changeset 247 d8d70de2bd36
parent 0 a41df078684a
permissions -rw-r--r--
Revision: 201033 Kit: 201033
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// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32\drivers\trace\btrace.cpp
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// 
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//
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#include <kernel/kern_priv.h>
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#include "platform.h"
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#include "drivers/btrace.h"
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#if defined(__EPOC32__) && defined(__CPU_X86)
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#include <x86.h>
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#endif
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TBTraceBufferK Buffer;
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TBool ChannelOpen = EFalse;
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const TUint KCopyBufferMaxSize = 0x10000;
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TInt TBTraceBufferK::Create(TInt aSize)
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	{
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	if(aSize<=0)
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		return KErrArgument;
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	TUint pageSize = Kern::RoundToPageSize(1);
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	aSize = (aSize+pageSize-1)&-(TInt)pageSize;
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	TUint recordOffsets = aSize+pageSize;
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	TUint recordOffsetsSize = Kern::RoundToPageSize(aSize>>2);
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	TUint copyBuffer = recordOffsets+recordOffsetsSize+pageSize;
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	TUint copyBufferSize = Kern::RoundToPageSize(aSize>>2);
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	if(copyBufferSize>KCopyBufferMaxSize)
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		copyBufferSize = KCopyBufferMaxSize;
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	TUint chunkSize = copyBuffer+copyBufferSize+pageSize;
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	// Create chunk...
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    TChunkCreateInfo info;
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    info.iType         = TChunkCreateInfo::ESharedKernelSingle;
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    info.iMaxSize      = chunkSize;
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#ifdef __EPOC32__
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	// we want full caching, no execute, default sharing
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	new (&info.iMapAttr) TMappingAttributes2(EMemAttNormalCached, EFalse, ETrue);
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#endif
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    info.iOwnsMemory   = ETrue; // Use memory from system's free pool
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    info.iDestroyedDfc = NULL;
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	TUint32 mapAttr;
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	TInt r = Kern::ChunkCreate(info, iBufferChunk, iAddress, mapAttr);
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	if(r==KErrNone)
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		r = Kern::ChunkCommit(iBufferChunk, 0, aSize);
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	if(r==KErrNone)
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		r = Kern::ChunkCommit(iBufferChunk, recordOffsets, recordOffsetsSize);
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	if(r==KErrNone)
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		r = Kern::ChunkCommit(iBufferChunk, copyBuffer, copyBufferSize);
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	// Check errors...
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	if(r!=KErrNone)
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		{
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		Close();
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		return r;
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		}
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	// Initialise state...
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	iStart = sizeof(TBTraceBuffer);
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	iEnd = aSize;
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	iRecordOffsets = (TUint8*)(iAddress+recordOffsets);
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	TBTraceBuffer* userBuffer = (TBTraceBuffer*)iAddress;
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	userBuffer->iRecordOffsets = recordOffsets;
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	userBuffer->iCopyBuffer = copyBuffer;
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	userBuffer->iCopyBufferSize = copyBufferSize;
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	Reset(0);
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#ifndef __SMP__
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	TInt irq = NKern::DisableAllInterrupts();
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#endif
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	iTimestamp2Enabled = EFalse;
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	BTrace::SetHandlers(TBTraceBufferK::Trace,TBTraceBufferK::ControlFunction,iOldBTraceHandler,iOldBTraceControl);
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#ifndef __SMP__
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	NKern::RestoreInterrupts(irq);
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#endif
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	return KErrNone;
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	}
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void TBTraceBufferK::Close()
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	{
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#ifdef __SMP__
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	if(iOldBTraceHandler)
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		{
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		BTrace::THandler handler;
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		BTrace::TControlFunction control;
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		BTrace::SetHandlers(iOldBTraceHandler,iOldBTraceControl,handler,control);
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		iOldBTraceHandler = NULL;
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		iOldBTraceControl = NULL;
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		}
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	TSpinLock* sl = BTrace::LockPtr();
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	TInt irq = sl->LockIrqSave();	// guarantees handler can't run at the same time
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	DChunk* chunk = iBufferChunk;
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	iBufferChunk = NULL;
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	iAddress = NULL;
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	sl->UnlockIrqRestore(irq);
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#else
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	TInt irq = NKern::DisableAllInterrupts();
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	if(iOldBTraceHandler)
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		{
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		BTrace::THandler handler;
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		BTrace::TControlFunction control;
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		BTrace::SetHandlers(iOldBTraceHandler,iOldBTraceControl,handler,control);
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		iOldBTraceHandler = NULL;
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		iOldBTraceControl = NULL;
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		}
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	DChunk* chunk = iBufferChunk;
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	iBufferChunk = NULL;
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	iAddress = NULL;
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	NKern::RestoreInterrupts(irq);
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#endif
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	if(chunk)
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		Kern::ChunkClose(chunk);
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	}
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/**
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Helper functions for encoding pseudo- floating point values recoverable by:
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	int exponent = (signed char)(encoded_val >> 24);
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	int mantissa = encoded_val & 0xFFFFFF;
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	double val = mantissa * pow(2, exponent);
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*/
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TUint EncodeFloatesque(TUint64 val64, TInt exponent)
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	{
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	// Lose precision until it fits in 24 bits
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	TInt round_up = 0;
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	while (val64>=0x1000000) 
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		{
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		round_up = (TInt)(val64&1);
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		val64 >>= 1;
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		exponent++;
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		}
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	if (round_up) 
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		{
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		val64++;
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		if (val64>=0x1000000) 
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			{
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			val64 >>= 1;
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			exponent++;
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			}
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		}
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	// Return 8-bit exponent and 24-bit mantissa
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	return (TUint)(val64 | (((unsigned char)exponent)<<24));
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	}
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TUint EncodeReciprocal(TUint val)
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	{
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	if (val==0) return val;
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	// Get reciprocal * 2^64
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	TUint64 val64 = val;
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	TUint64 div = 0;
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	div--;
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	val64 = div / val64;
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	return EncodeFloatesque(val64, -64);
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	}
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TUint EncodePostDiv(TUint val, TUint divisor)
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	{
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	TUint64 val64 = val;
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	val64 <<= 32;
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	val64 = val64 / divisor;
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	return EncodeFloatesque(val64, -32);
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	}
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void BTracePrimeMetatrace()
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	{
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#ifdef __SMP__
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	TUint period1 = EncodeReciprocal(NKern::TimestampFrequency());
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	TUint period2 = period1 + (32u<<24);	// timestamp2 period is 2^32 * timestamp1 period
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	BTrace12(BTrace::EMetaTrace, BTrace::EMetaTraceTimestampsInfo, period1, period2, 1);
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#else
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	TUint period1 = EncodeReciprocal(NKern::FastCounterFrequency());
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	TUint period2 = EncodePostDiv(NKern::TickPeriod(), 1000000);
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	BTrace12(BTrace::EMetaTrace, BTrace::EMetaTraceTimestampsInfo, period1, period2, 0);
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#endif
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	}
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void TBTraceBufferK::Reset(TUint aMode)
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	{
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#ifdef __SMP__
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	TSpinLock* sl = BTrace::LockPtr();
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#endif
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	TInt irq = __SPIN_LOCK_IRQSAVE(*sl);	// guarantees handler can't run at the same time
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	iHead = iStart;
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	TBTraceBuffer* userBuffer = (TBTraceBuffer*)iAddress;
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	userBuffer->iStart = iStart;
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	userBuffer->iEnd = iEnd;
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	userBuffer->iHead = iHead;
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	userBuffer->iTail = iHead;
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	userBuffer->iGeneration = 0;
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	userBuffer->iMode = aMode;
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	__SPIN_UNLOCK_IRQRESTORE(*sl,irq);
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	if(aMode)
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		{
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		if (BTrace::CheckFilter(BTrace::EMetaTrace))
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			BTracePrimeMetatrace();
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		BTrace::Prime();
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		}
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	}
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   224
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   225
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TInt TBTraceBufferK::RequestData(TInt aSize, TDfc* aDfc)
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	{
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	if(aSize<=0)
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		aSize = 1;
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#ifdef __SMP__
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	TSpinLock* sl = BTrace::LockPtr();
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#endif
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	TInt irq = __SPIN_LOCK_IRQSAVE(*sl);	// guarantees handler can't run
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	TBTraceBuffer* userBuffer = (TBTraceBuffer*)iAddress;
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	if(!userBuffer)
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		{
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		__SPIN_UNLOCK_IRQRESTORE(*sl,irq);
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		return KErrNotReady;
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		}
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	TInt dif = userBuffer->iTail-iHead;
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	if(dif>0)
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		aSize = 0; // we need no more bytes because all bytes to end of buffer are available
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   243
	else
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		aSize += dif; // number of bytes extra we need
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   245
	if(aSize>0)
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   246
		{
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   247
		iRequestDataSize = aSize;
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   248
		iWaitingDfc = aDfc;
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   249
		}
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	__SPIN_UNLOCK_IRQRESTORE(*sl,irq);
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   251
	if(aSize<=0)
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		return KErrCompletion;
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   253
	return KErrNone;
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   254
	}
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   255
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   256
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   257
#ifndef BTRACE_DRIVER_MACHINE_CODED
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   258
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   259
TBool TBTraceBufferK::Trace_Impl(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra, const TUint32 aPc, TBool aIncTimestamp2)
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	{
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   261
#ifndef __SMP__
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   262
	TInt irq = NKern::DisableAllInterrupts();
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   263
#endif
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   264
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   265
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   266
#ifdef __SMP__
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   267
	// Header 2 always present and contains CPU number
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   268
	// If Header2 not originally there, add 4 to size
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   269
	if (!(aHeader&(BTrace::EHeader2Present<<BTrace::EFlagsIndex*8)))
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   270
		aHeader += (4<<BTrace::ESizeIndex*8) + (BTrace::EHeader2Present<<BTrace::EFlagsIndex*8), aHeader2=0;
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	aHeader2 = (aHeader2 &~ BTrace::ECpuIdMask) | (NKern::CurrentCpu()<<20);
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   272
#endif
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   273
#ifdef BTRACE_INCLUDE_TIMESTAMPS
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   274
	// Add timestamp to trace...
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   275
#if defined(__SMP__)
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   276
	aHeader += 8<<BTrace::ESizeIndex*8;
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   277
	aHeader |= BTrace::ETimestampPresent<<BTrace::EFlagsIndex*8 | BTrace::ETimestamp2Present<<BTrace::EFlagsIndex*8;
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   278
	TUint64 timeStamp = NKern::Timestamp();
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   279
#elif defined(__EPOC32__) && defined(__CPU_X86)
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   280
	aHeader += 8<<BTrace::ESizeIndex*8;
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   281
	aHeader |= BTrace::ETimestampPresent<<BTrace::EFlagsIndex*8 | BTrace::ETimestamp2Present<<BTrace::EFlagsIndex*8;
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   282
	TUint64 timeStamp = X86::Timestamp();
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   283
#else
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   284
	TUint32 timeStamp = NKern::FastCounter();
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   285
	TUint32 timeStamp2 = 0;
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   286
	if (aIncTimestamp2)
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   287
		{
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   288
		timeStamp2 = NKern::TickCount();
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   289
		aHeader += 8<<BTrace::ESizeIndex*8;
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   290
		aHeader |= (BTrace::ETimestampPresent | BTrace::ETimestamp2Present) << BTrace::EFlagsIndex*8;
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   291
		}
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   292
	else
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   293
		{
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   294
		aHeader += 4<<BTrace::ESizeIndex*8;
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   295
		aHeader |= BTrace::ETimestampPresent<<BTrace::EFlagsIndex*8;
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   296
		}
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   297
#endif
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   298
#endif
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   299
	TUint size = (aHeader+3)&0xfc;
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   300
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   301
	TBTraceBufferK& buffer = Buffer;
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   302
	TLinAddr address = buffer.iAddress;
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   303
	TBTraceBuffer& user_buffer = *(TBTraceBuffer*)address;
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   304
	++user_buffer.iGeneration;	// atomic not required since only driver modifies iGeneration
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   305
#ifdef __SMP__
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   306
	__e32_memory_barrier();
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   307
#endif
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   308
	TUint start = buffer.iStart;
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   309
	TUint end = buffer.iEnd;
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   310
	TUint orig_head = buffer.iHead;
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   311
	TInt requestDataSize = buffer.iRequestDataSize;
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   312
	TUint8* recordOffsets = buffer.iRecordOffsets;
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   313
	TUint32 orig_tail = user_buffer.iTail;
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   314
	TUint32 newHead, head, tail;
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   315
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   316
	if(!(user_buffer.iMode&RBTrace::EEnable))
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   317
		goto trace_off;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   318
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   319
retry:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   320
	head = orig_head;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   321
	tail = orig_tail &~ 1;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   322
	newHead = head+size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   323
	if(newHead>end)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   324
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   325
		requestDataSize = 0; 
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   326
		newHead = start+size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   327
		if(head<tail || tail<newHead+1)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   328
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   329
			if(!(user_buffer.iMode&RBTrace::EFreeRunning))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   330
				goto trace_dropped;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   331
			user_buffer.iWrap = head;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   332
			head = start;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   333
			tail = newHead+(recordOffsets[newHead>>2]<<2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   334
			goto overwrite;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   335
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   336
		user_buffer.iWrap = head;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   337
		head = start;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   338
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   339
	else if(head<tail && tail<=newHead)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   340
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   341
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   342
		requestDataSize = 0; 
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   343
		TUint wrap = user_buffer.iWrap;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   344
		if(!(user_buffer.iMode&RBTrace::EFreeRunning))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   345
			goto trace_dropped;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   346
		if(newHead<end && newHead<wrap)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   347
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   348
			tail = newHead+(recordOffsets[newHead>>2]<<2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   349
			if(tail>=end || tail>=wrap)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   350
				tail = start;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   351
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   352
		else
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   353
			tail = start;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   354
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   355
overwrite:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   356
		*(TUint32*)(address+tail) |= BTrace::EMissingRecord<<(BTrace::EFlagsIndex*8);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   357
		if (!__e32_atomic_cas_ord32(&user_buffer.iTail, &orig_tail, tail|1))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   358
			goto retry;	// go round again if user side has already updated the tail pointer
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   359
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   360
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   361
	buffer.iRequestDataSize = requestDataSize-size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   362
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   363
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   364
	recordOffsets += head>>2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   365
	TUint32* src;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   366
	TUint32* dst = (TUint32*)((TUint)address+head);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   367
	size >>= 2; // we are now counting words, not bytes
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   368
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   369
	// store first word of trace...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   370
	TUint w = aHeader;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   371
	if(buffer.iDropped)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   372
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   373
		buffer.iDropped = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   374
		w |= BTrace::EMissingRecord<<(BTrace::EFlagsIndex*8); 
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   375
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   376
	*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   377
	--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   378
	*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   379
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   380
#ifndef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   381
	if(aHeader&(BTrace::EHeader2Present<<(BTrace::EFlagsIndex*8)))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   382
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   383
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   384
		w = aHeader2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   385
		*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   386
		--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   387
		*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   388
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   389
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   390
#ifdef BTRACE_INCLUDE_TIMESTAMPS
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   391
	// store timestamp...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   392
#if defined(__SMP__) || (defined(__EPOC32__) && defined(__CPU_X86))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   393
	*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   394
	--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   395
	*dst++ = TUint32(timeStamp);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   396
	*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   397
	--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   398
	*dst++ = TUint32(timeStamp>>32);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   399
#else
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   400
	*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   401
	--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   402
	*dst++ = timeStamp;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   403
	if (aIncTimestamp2)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   404
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   405
		*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   406
		--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   407
		*dst++ = timeStamp2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   408
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   409
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   410
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   411
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   412
	if(aHeader&(BTrace::EContextIdPresent<<(BTrace::EFlagsIndex*8)))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   413
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   414
		w = aContext;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   415
		*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   416
		--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   417
		*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   418
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   419
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   420
	if(aHeader&(BTrace::EPcPresent<<(BTrace::EFlagsIndex*8)))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   421
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   422
		w = aPc;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   423
		*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   424
		--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   425
		*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   426
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   427
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   428
	if(aHeader&(BTrace::EExtraPresent<<(BTrace::EFlagsIndex*8)))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   429
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   430
		w = aExtra;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   431
		*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   432
		--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   433
		*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   434
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   435
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   436
	// store remainding words of trace...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   437
	if(size)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   438
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   439
		w = a1;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   440
		*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   441
		--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   442
		*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   443
		if(size)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   444
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   445
			w = a2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   446
			*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   447
			--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   448
			*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   449
			if(size)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   450
				{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   451
				if(size==1)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   452
					{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   453
					w = a3;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   454
					*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   455
					*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   456
					}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   457
				else
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   458
					{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   459
					src = (TUint32*)a3;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   460
					do
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   461
						{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   462
						w = *src++;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   463
						*recordOffsets++ = (TUint8)size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   464
						--size;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   465
						*dst++ = w;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   466
						}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   467
					while(size);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   468
					}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   469
				}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   470
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   471
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   472
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   473
	buffer.iHead = newHead;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   474
#ifdef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   475
	__e32_memory_barrier();	// make sure written data is observed before head pointer update
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   476
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   477
	user_buffer.iHead = newHead;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   478
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   479
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   480
	TDfc* dfc = (TDfc*)buffer.iWaitingDfc;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   481
	if(dfc && buffer.iRequestDataSize<=0)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   482
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   483
		buffer.iWaitingDfc = NULL;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   484
		dfc->RawAdd();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   485
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   486
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   487
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   488
#ifdef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   489
	__e32_memory_barrier();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   490
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   491
	++user_buffer.iGeneration;	// atomic not required since only driver modifies iGeneration
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   492
#ifndef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   493
	NKern::RestoreInterrupts(irq);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   494
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   495
	return ETrue;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   496
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   497
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   498
trace_dropped:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   499
	buffer.iRequestDataSize = 0; 
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   500
	buffer.iDropped = ETrue;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   501
#ifdef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   502
	__e32_memory_barrier();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   503
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   504
	++user_buffer.iGeneration;	// atomic not required since only driver modifies iGeneration
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   505
#ifndef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   506
	NKern::RestoreInterrupts(irq);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   507
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   508
	return ETrue;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   509
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   510
trace_off:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   511
#ifdef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   512
	__e32_memory_barrier();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   513
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   514
	++user_buffer.iGeneration;	// atomic not required since only driver modifies iGeneration
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   515
#ifndef __SMP__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   516
	NKern::RestoreInterrupts(irq);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   517
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   518
	return EFalse;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   519
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   520
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   521
TBool TBTraceBufferK::TraceWithTimestamp2(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra,const TUint32 aPc)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   522
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   523
	return Trace_Impl(aHeader, aHeader2, aContext, a1, a2, a3, aExtra, aPc, ETrue);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   524
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   525
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   526
TBool TBTraceBufferK::Trace(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra,const TUint32 aPc)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   527
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   528
	return Trace_Impl(aHeader, aHeader2, aContext, a1, a2, a3, aExtra, aPc, EFalse);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   529
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   530
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   531
#endif // BTRACE_DRIVER_MACHINE_CODED
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   532
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   533
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   534
TInt TBTraceBufferK::ControlFunction(BTrace::TControl aFunction, TAny* aArg1, TAny* aArg2)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   535
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   536
	switch(aFunction)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   537
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   538
	case BTrace::ECtrlSystemCrashed:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   539
		if(Buffer.iAddress)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   540
			((TBTraceBuffer*)Buffer.iAddress)->iMode = 0; // turn off trace
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   541
		return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   542
		
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   543
	case BTrace::ECtrlCrashReadFirst:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   544
		Buffer.iCrashReadPart = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   545
		// fall through...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   546
	case BTrace::ECtrlCrashReadNext:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   547
		Buffer.CrashRead(*(TUint8**)aArg1,*(TUint*)aArg2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   548
		++Buffer.iCrashReadPart;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   549
		return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   550
				
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   551
	default:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   552
		return KErrNotSupported;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   553
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   554
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   555
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   556
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   557
void TBTraceBufferK::CrashRead(TUint8*& aData, TUint& aSize)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   558
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   559
	// start by assuming no data...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   560
	aData = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   561
	aSize = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   562
	
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   563
	TBTraceBuffer* userBuffer = (TBTraceBuffer*)iAddress;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   564
	if(!userBuffer)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   565
		return; // no trace buffer, so end...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   566
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   567
	TUint head = iHead;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   568
	TUint tail = userBuffer->iTail;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   569
	TUint8* data = (TUint8*)userBuffer;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   570
	
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   571
	if(head>tail)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   572
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   573
		// data is in one part...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   574
		if(iCrashReadPart==0)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   575
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   576
			aData = data+tail;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   577
			aSize = head-tail;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   578
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   579
		// else no more parts
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   580
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   581
	else if(head<tail)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   582
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   583
		// data is in two parts...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   584
		if(iCrashReadPart==0)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   585
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   586
			// first part...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   587
			aData = data+tail;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   588
			aSize = userBuffer->iWrap-tail;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   589
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   590
		else if(iCrashReadPart==1)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   591
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   592
			// second part...
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   593
			aData = data+iStart;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   594
			aSize = head-iStart;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   595
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   596
		// else no more parts
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   597
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   598
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   599
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   600
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   601
//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   602
// LDD
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   603
//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   604
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   605
class DBTraceFactory : public DLogicalDevice
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   606
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   607
public:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   608
	virtual TInt Install();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   609
	virtual void GetCaps(TDes8& aDes) const;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   610
	virtual TInt Create(DLogicalChannelBase*& aChannel);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   611
	};
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   612
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   613
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   614
class DBTraceChannel : public DLogicalChannelBase
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   615
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   616
public:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   617
	DBTraceChannel();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   618
	virtual ~DBTraceChannel();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   619
	//	Inherited from DObject
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   620
	virtual TInt RequestUserHandle(DThread* aThread, TOwnerType aType);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   621
	// Inherited from DLogicalChannelBase
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   622
	virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   623
	virtual TInt Request(TInt aReqNo, TAny* a1, TAny* a2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   624
	//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   625
	static void WaitCallback(TAny* aSelf);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   626
private:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   627
	DThread* iClient;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   628
	TClientRequest*	iWaitRequest;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   629
	TDfc iWaitDfc;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   630
	TBool iOpened;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   631
	TInt iFilter2Count;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   632
	TUint32* iFilter2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   633
	TUint32* iFilter2Set;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   634
	TBool iTimestamp2Enabled;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   635
	};
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   636
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   637
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   638
//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   639
// DBTraceFactory
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   640
//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   641
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   642
TInt DBTraceFactory::Install()
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   643
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   644
	return SetName(&RBTrace::Name());
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   645
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   646
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   647
void DBTraceFactory::GetCaps(TDes8& aDes) const
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   648
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   649
	Kern::InfoCopy(aDes,0,0);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   650
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   651
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   652
TInt DBTraceFactory::Create(DLogicalChannelBase*& aChannel)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   653
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   654
	aChannel=new DBTraceChannel();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   655
	if(!aChannel)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   656
		return KErrNoMemory;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   657
	return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   658
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   659
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   660
void syncDfcFn(TAny* aPtr)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   661
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   662
	NKern::FSSignal((NFastSemaphore*)aPtr);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   663
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   664
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   665
void Sync(TDfcQue* aDfcQ)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   666
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   667
	NFastSemaphore s(0);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   668
	TDfc dfc(&syncDfcFn, &s, aDfcQ, 0);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   669
	dfc.Enque();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   670
	NKern::FSWait(&s);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   671
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   672
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   673
//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   674
// DBTraceChannel
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   675
//
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   676
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   677
DBTraceChannel::DBTraceChannel()
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   678
	: iWaitDfc(WaitCallback,this,Kern::DfcQue1(),7)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   679
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   680
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   681
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   682
DBTraceChannel::~DBTraceChannel()
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   683
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   684
	delete iFilter2Set;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   685
	Buffer.iWaitingDfc = NULL;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   686
	iWaitDfc.Cancel();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   687
	Sync(Kern::DfcQue1());
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   688
	if (iWaitRequest)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   689
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   690
		Kern::QueueRequestComplete(iClient, iWaitRequest, KErrCancel);	// does nothing if request not pending
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   691
		Kern::DestroyClientRequest(iWaitRequest);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   692
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   693
	if (iOpened)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   694
		__e32_atomic_swp_ord32(&ChannelOpen, 0);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   695
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   696
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   697
TInt DBTraceChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   698
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   699
//	_LIT_SECURITY_POLICY_C2(KSecurityPolicy,ECapabilityReadDeviceData,ECapabilityWriteDeviceData);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   700
//	if(!KSecurityPolicy().CheckPolicy(&Kern::CurrentThread(),__PLATSEC_DIAGNOSTIC_STRING("Checked by BTRACE")))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   701
//		return KErrPermissionDenied;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   702
	iClient = &Kern::CurrentThread();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   703
	TInt r = Kern::CreateClientRequest(iWaitRequest);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   704
	if (r!=KErrNone)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   705
		return r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   706
	if (__e32_atomic_swp_ord32(&ChannelOpen, 1))
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   707
		return KErrInUse;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   708
	iOpened = ETrue;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   709
	return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   710
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   711
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   712
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   713
TInt DBTraceChannel::RequestUserHandle(DThread* aThread, TOwnerType aType)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   714
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   715
	if (aType!=EOwnerThread || aThread!=iClient)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   716
		return KErrAccessDenied;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   717
	return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   718
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   719
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   720
void DBTraceChannel::WaitCallback(TAny* aSelf)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   721
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   722
	DBTraceChannel& c = *(DBTraceChannel*)aSelf;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   723
	Kern::QueueRequestComplete(c.iClient, c.iWaitRequest, KErrNone);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   724
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   725
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   726
TInt DBTraceChannel::Request(TInt aReqNo, TAny* a1, TAny* a2)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   727
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   728
	TInt r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   729
	TBTraceBufferK& buffer = Buffer;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   730
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   731
	switch(aReqNo)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   732
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   733
	case RBTrace::EOpenBuffer:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   734
		NKern::ThreadEnterCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   735
		if(!Buffer.iBufferChunk)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   736
			r = buffer.Create(0x100000);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   737
		else
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   738
			r = KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   739
		if(r==KErrNone)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   740
			r = Kern::MakeHandleAndOpen(NULL, buffer.iBufferChunk);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   741
		NKern::ThreadLeaveCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   742
		return r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   743
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   744
	case RBTrace::EResizeBuffer:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   745
		NKern::ThreadEnterCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   746
		buffer.Close();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   747
		r = buffer.Create((TInt)a1);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   748
		NKern::ThreadLeaveCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   749
		return r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   750
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   751
	case RBTrace::ESetFilter:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   752
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   753
		TInt old = BTrace::SetFilter((BTrace::TCategory)(TInt)a1,(TInt)a2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   754
		if((TInt)a2==1 && old==0) // filter turned on?
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   755
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   756
			if ((TInt)a1==BTrace::EMetaTrace) 
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   757
				BTracePrimeMetatrace();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   758
			BTrace::Prime((TInt)a1); // prime this trace category
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   759
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   760
		return old;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   761
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   762
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   763
	case RBTrace::ESetFilter2:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   764
		return BTrace::SetFilter2((TUint32)a1,(TBool)a2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   765
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   766
	case RBTrace::ESetFilter2Array:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   767
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   768
		NKern::ThreadEnterCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   769
		delete iFilter2Set;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   770
		TInt size = (TInt)a2*sizeof(TUint32);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   771
		TUint32* buffer = (TUint32*)Kern::Alloc(size);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   772
		iFilter2Set = buffer;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   773
		NKern::ThreadLeaveCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   774
		if(!buffer)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   775
			return KErrNoMemory;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   776
		kumemget32(buffer,a1,size);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   777
		r = BTrace::SetFilter2(buffer,(TInt)a2);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   778
		NKern::ThreadEnterCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   779
		delete iFilter2Set;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   780
		iFilter2Set = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   781
		NKern::ThreadLeaveCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   782
		return r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   783
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   784
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   785
	case RBTrace::ESetFilter2Global:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   786
		BTrace::SetFilter2((TBool)a1);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   787
		return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   788
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   789
	case RBTrace::EGetFilter2Part1:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   790
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   791
		NKern::ThreadEnterCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   792
		delete iFilter2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   793
		iFilter2 = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   794
		iFilter2Count = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   795
		TInt globalFilter = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   796
		iFilter2Count = BTrace::Filter2(iFilter2,globalFilter);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   797
		NKern::ThreadLeaveCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   798
		kumemput32(a2,&globalFilter,sizeof(TBool));
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   799
		return iFilter2Count;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   800
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   801
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   802
	case RBTrace::EGetFilter2Part2:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   803
		if((TInt)a2!=iFilter2Count)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   804
			return KErrArgument;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   805
		if(iFilter2Count>0)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   806
			kumemput32(a1,iFilter2,iFilter2Count*sizeof(TUint32));
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   807
		NKern::ThreadEnterCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   808
		delete iFilter2;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   809
		iFilter2 = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   810
		iFilter2Count = 0;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   811
		NKern::ThreadLeaveCS();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   812
		return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   813
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   814
	case RBTrace::ERequestData:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   815
		if (iWaitRequest->SetStatus((TRequestStatus*)a1) != KErrNone)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   816
			Kern::PanicCurrentThread(RBTrace::Name(),RBTrace::ERequestAlreadyPending);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   817
		r = buffer.RequestData((TInt)a2,&iWaitDfc);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   818
		if (r!=KErrNone)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   819
			{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   820
			iWaitRequest->Reset();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   821
			TRequestStatus* s = (TRequestStatus*)a1;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   822
			if (r==KErrCompletion)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   823
				r = KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   824
			Kern::RequestComplete(s, r);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   825
			}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   826
		return r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   827
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   828
	case RBTrace::ECancelRequestData:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   829
		buffer.iWaitingDfc = NULL;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   830
		iWaitDfc.Cancel();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   831
		Kern::QueueRequestComplete(iClient, iWaitRequest, KErrCancel);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   832
		return KErrNone;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   833
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   834
	case RBTrace::ESetSerialPortOutput:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   835
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   836
		TUint mode = Kern::ESerialOutNever+(TUint)a1;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   837
		mode = Kern::SetTextTraceMode(mode,Kern::ESerialOutMask);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   838
		mode &= Kern::ESerialOutMask;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   839
		return mode-Kern::ESerialOutNever;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   840
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   841
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   842
	case RBTrace::ESetTimestamp2Enabled:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   843
		{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   844
		TBool old = iTimestamp2Enabled;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   845
		iTimestamp2Enabled = (TBool)a1;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   846
		BTrace::TControlFunction oldControl;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   847
		BTrace::THandler oldHandler;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   848
		BTrace::THandler handler = iTimestamp2Enabled ? TBTraceBufferK::TraceWithTimestamp2 : TBTraceBufferK::Trace;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   849
		BTrace::SetHandlers(handler,TBTraceBufferK::ControlFunction,oldHandler,oldControl);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   850
		return old;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   851
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   852
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   853
	default:
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   854
		break;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   855
		}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   856
	return KErrNotSupported;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   857
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   858
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   859
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   860
DECLARE_EXTENSION_LDD()
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   861
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   862
	return new DBTraceFactory;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   863
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   864
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   865
#ifdef __WINS__
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   866
DECLARE_STANDARD_EXTENSION()
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   867
#else
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   868
DECLARE_EXTENSION_WITH_PRIORITY(KExtensionMaximumPriority)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   869
#endif
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   870
	{
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   871
	TSuperPage& superPage = Kern::SuperPage();
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   872
	TInt bufferSize = superPage.iInitialBTraceBuffer;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   873
	if(!bufferSize)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   874
		bufferSize = 0x10000;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   875
	TInt r=Buffer.Create(bufferSize);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   876
	if(r==KErrNone)
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   877
		Buffer.Reset(superPage.iInitialBTraceMode);
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   878
	return r;
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   879
	}
a41df078684a Convert Kernelhwsrv package from SFL to EPL
John Imhofe
parents:
diff changeset
   880