sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <d32btrace.h>
sl@0: 
sl@0: class TBTraceBufferK
sl@0: 	{
sl@0: public:
sl@0: 	TLinAddr			iAddress;
sl@0: 	TUint				iStart;
sl@0: 	TUint				iEnd;
sl@0: 	TUint				iHead;
sl@0: 	volatile TInt		iRequestDataSize;
sl@0: 	TUint8*				iRecordOffsets;
sl@0: 	TUint				iDropped;
sl@0: 	DChunk*				iBufferChunk;
sl@0: 	volatile TDfc*		iWaitingDfc;
sl@0: 	BTrace::THandler	iOldBTraceHandler;
sl@0: 	BTrace::TControlFunction	iOldBTraceControl;
sl@0: 	TBool				iTimestamp2Enabled;
sl@0: 	TUint				iCrashReadPart;
sl@0: public:
sl@0: 	TInt Create(TInt aSize);
sl@0: 	void Close();
sl@0: 	void Reset(TUint aMode);
sl@0: 	TInt RequestData(TInt aSize, TDfc* aDfc);
sl@0: 	static TBool Trace(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra,const TUint32 aPc);
sl@0: 	static TBool TraceWithTimestamp2(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra,const TUint32 aPc);	
sl@0: 	static TInt ControlFunction(BTrace::TControl aFunction, TAny* aArg1, TAny* aArg2);
sl@0: 	void CrashRead(TUint8*& aData, TUint& aSize);
sl@0: private:
sl@0: 	static TBool Trace_Impl(TUint32 aHeader,TUint32 aHeader2,const TUint32 aContext,const TUint32 a1,const TUint32 a2,const TUint32 a3,const TUint32 aExtra, const TUint32 aPc, const TBool aIncTimestamp2);
sl@0: 	};
sl@0: 
sl@0: extern TBTraceBufferK Buffer;
sl@0: 
sl@0: /**
sl@0: If this macro is defined a timestamp is added to each fast-trace record; if supported by the platform.
sl@0: */
sl@0: #define BTRACE_INCLUDE_TIMESTAMPS
sl@0: 
sl@0: #ifdef __MARM__
sl@0: #ifndef __SMP__
sl@0: #define BTRACE_DRIVER_MACHINE_CODED
sl@0: #endif
sl@0: #endif
sl@0: