sl@0: // Copyright (c) 2008-2009 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: // e32\include\kernel\scmonitor.h
sl@0: // Kernel System crash monitor header file
sl@0: // 
sl@0: // WARNING: This file contains some APIs which are internal and are subject
sl@0: //          to change without notice. Such APIs should therefore not be used
sl@0: //          outside the Kernel and Hardware Services package.
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalComponent
sl@0: */
sl@0: 
sl@0: #ifndef __SCMONITOR_H__
sl@0: #define __SCMONITOR_H__
sl@0: 
sl@0: #include <plat_priv.h>
sl@0: #include <kernel/monitor.h>
sl@0: #include <e32des8.h>	
sl@0: #include <arm.h>
sl@0: #include <variant_norflash_layout.h>
sl@0: 
sl@0: #include <scmdatatypes.h>
sl@0: #include <scmbytestreamutil.h>
sl@0: #include <scmconfig.h>
sl@0: #include <scmdatasave.h>
sl@0: 
sl@0: using namespace Debug;
sl@0: 
sl@0: class CrashFlash;
sl@0: 
sl@0: const TInt KFlashAlignment = sizeof(TInt32);
sl@0: 
sl@0: const TInt KFlashEraseAttempts = 10;
sl@0: /**
sl@0:  * System crash monitor responsible for writing crash data to flash in 
sl@0:  * the event of a crash
sl@0:  */
sl@0: class SCMonitor: public Monitor
sl@0: 	{
sl@0: 	public:
sl@0: 		SCMonitor();	
sl@0: 		~SCMonitor();
sl@0: 		
sl@0: 		virtual void Print(const TDesC8& aDes);				
sl@0: 		virtual TInt Init2(TAny* aCategory, TInt aReason);
sl@0: 	
sl@0: 		void VariantInit();
sl@0: 		TInt InitFlash();
sl@0: 		
sl@0: 		void StableConstruction(); 		
sl@0: 		
sl@0: 	public:		
sl@0: 		CrashFlash* iFlash;		
sl@0: 			
sl@0: 	protected:	
sl@0: 		void DumpVariantSpecific();
sl@0: 	
sl@0: 		enum TSysCrashLogState
sl@0: 			{
sl@0: 			EUndefined = 0
sl@0: 			};
sl@0: 		
sl@0: 		
sl@0: 	private:	
sl@0: 		TInt ProcessCrash(const SCMCrashBlockEntry& aBlockEntry, const TUint aCrashId, TBool aCommit);
sl@0: 		TInt LogProcessMetaData(SCMDataSave::TDumpScope aDumpScope, TUint& aSizeDumped) const;
sl@0: 		TInt LogThreadMetaData(SCMDataSave::TDumpScope aDumpScope, TUint& aSizeDumped) const;
sl@0: 		TInt LogObjectContainers(TObjectType aObjectType, SCMDataSave::TDumpScope aDumpScope, const SCMDataSave::TDataToDump& aDataToDump, TUint& aSizeDumped) const;
sl@0: 		TInt GetNextCrashStartPoint(SCMCrashBlockEntry& aBlockEntry);
sl@0: 		void DoCrash(TAny* aCategory, TInt aReason);
sl@0: 		
sl@0: 	private:
sl@0: 		TInt HelpDumpStacks(DObject* aObject, TObjectType aObjectType, TUint& aSizeDumped, SCMDataSave::TStackType aStkType) const;
sl@0: 		TInt HelpDumpMetaData(DObject* aObject, TObjectType aObjectType, TUint& aSizeDumped) const;
sl@0: 		TInt EraseFlashBlock(const SCMCrashBlockEntry& aBlock);
sl@0: 		TInt EraseEntireFlashPartition();
sl@0: 		
sl@0: 	private:		
sl@0: 		SCMDataSave* iDataSave;
sl@0: 		Debug::SCMConfiguration* iScmConfig;
sl@0: 		SCMMultiCrashInfo* iMultiCrashInfo;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: 	
sl@0: #endif //__SCMONITOR_H__
sl@0: //EOF scmonitor.h