author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 02 Sep 2010 21:54:16 +0300 | |
changeset 259 | 57b9594f5772 |
parent 0 | a41df078684a |
child 257 | 3e88ff8f41d5 |
permissions | -rw-r--r-- |
259
57b9594f5772
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
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// Copyright (c) 2006-2010 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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// Defines the DebugFunctionality class. This is responsible for |
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// providing configuration data needed by a host debugger to be able |
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// to correctly use the functionality provided by the run-mode debug subsystem. |
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// |
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#include <e32def.h> |
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#include <e32def_private.h> |
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#include <e32cmn.h> |
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#include <e32cmn_private.h> |
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#include <u32std.h> |
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#include <kernel/kernel.h> |
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#include <sm_debug_api.h> |
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259
57b9594f5772
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
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#include "d_debug_functionality.h" |
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#include "d_buffer_manager.h" |
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using namespace Debug; |
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||
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// Core |
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const TTag DebugFunctionalityCoreInfo[] = |
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{ |
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{ECoreEvents,ETagTypeBoolean,0,ETrue}, |
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{ECoreStartStop,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreMemory,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreRegister,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreBreakpoint,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreStepping,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreLists,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreLogging,ETagTypeBoolean,0,EFalse}, |
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{ECoreHardware,ETagTypeBoolean,0,EFalse}, |
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{ECoreApiConstants,ETagTypeBoolean,0,ETrue}, |
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{ECoreKillObjects,ETagTypeBoolean,0,ETrue}, |
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{ECoreSecurity,ETagTypeBoolean,0,ETrue}, |
|
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{ECoreStopModeFunctions,ETagTypeBoolean,0,EFalse}, |
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{ECoreStopModeBuffers,ETagTypeBoolean,0,EFalse}, |
|
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}; |
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||
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const TSubBlock DebugFunctionalityCore[] = |
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{ |
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ETagHeaderIdCore,ECoreLast, |
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(TTag*)DebugFunctionalityCoreInfo |
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}; |
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||
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// Core |
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const TTag StopModeFunctionalityCoreInfo[] = |
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{ |
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{ECoreEvents,ETagTypeBoolean,0,EFalse}, |
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{ECoreStartStop,ETagTypeBoolean,0,EFalse}, |
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{ECoreMemory,ETagTypeBoolean,0,EFalse}, |
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{ECoreRegister,ETagTypeBoolean,0,EFalse}, |
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{ECoreBreakpoint,ETagTypeBoolean,0,EFalse}, |
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{ECoreStepping,ETagTypeBoolean,0,EFalse}, |
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{ECoreLists,ETagTypeBoolean,0,ETrue}, |
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{ECoreLogging,ETagTypeBoolean,0,EFalse}, |
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{ECoreHardware,ETagTypeBoolean,0,EFalse}, |
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{ECoreApiConstants,ETagTypeBoolean,0,EFalse}, |
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{ECoreKillObjects, ETagTypeBoolean,0, EFalse}, |
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{ECoreSecurity, ETagTypeBoolean,0,EFalse}, |
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{ECoreStopModeFunctions,ETagTypeBoolean,0,ETrue}, |
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{ECoreStopModeBuffers,ETagTypeBoolean,0,ETrue}, |
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}; |
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const TSubBlock StopModeFunctionalityCore[] = |
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{ |
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ETagHeaderIdCore,ECoreLast, |
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(TTag*)StopModeFunctionalityCoreInfo |
|
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}; |
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const TSubBlock StopModeFunctionalityBuffers[]= |
|
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{ |
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ETagHeaderIdBuffers,EBuffersLast, |
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(TTag*)NULL |
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}; |
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const TTag StopModeFunctionalityFunctionsInfo[] = |
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{ |
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{EStopModeFunctionsExitPoint,ETagTypePointer,0,(TUint32)&StopModeDebug::ExitPoint}, |
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{EStopModeFunctionsGetList,ETagTypePointer,0,(TUint32)&StopModeDebug::GetList}, |
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{EStopModeFunctionsTestAPI,ETagTypePointer,0,(TUint32)&StopModeDebug::TestAPI} |
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}; |
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const TSubBlock StopModeFunctionalityFunctions[]= |
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{ |
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ETagHeaderIdStopModeFunctions,EStopModeFunctionsLast, |
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(TTag*)StopModeFunctionalityFunctionsInfo |
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}; |
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// Memory |
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const TTag DebugFunctionalityMemoryInfo[] = |
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{ |
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{EMemoryRead,ETagTypeBoolean,0,ETrue}, |
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{EMemoryWrite,ETagTypeBoolean,0,ETrue}, |
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{EMemoryAccess64,ETagTypeBoolean,0,EFalse}, |
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{EMemoryAccess32,ETagTypeBoolean,0,ETrue}, |
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{EMemoryAccess16,ETagTypeBoolean,0,EFalse}, |
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{EMemoryAccess8,ETagTypeBoolean,0,EFalse}, |
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{EMemoryBE8,ETagTypeBoolean,0,EFalse}, |
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{EMemoryBE32,ETagTypeBoolean,0,EFalse}, |
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{EMemoryLE8,ETagTypeBoolean,0,ETrue}, |
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{EMemoryMaxBlockSize,ETagTypeTUint32,0,16 * KKilo /* 16Kbytes */} // binaryMax size of memory requests in bytes |
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}; |
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const TSubBlock DebugFunctionalityMemory[]= |
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{ |
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ETagHeaderIdMemory,EMemoryLast, |
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(TTag*)DebugFunctionalityMemoryInfo |
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}; |
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// Kill Objects |
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const TTag DebugFunctionalityKillObjectsInfo[] = |
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{ |
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{EFunctionalityKillThread,ETagTypeBoolean,0,EFalse}, |
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{EFunctionalityKillProcess,ETagTypeBoolean,0,ETrue} |
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}; |
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const TSubBlock DebugFunctionalityKillObjects[]= |
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{ |
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ETagHeaderIdKillObjects,EFunctionalityKillObjectLast, |
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(TTag*)DebugFunctionalityKillObjectsInfo |
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}; |
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// Core Registers |
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const TTag DebugFunctionalityRegistersCoreInfo[] = |
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{ |
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{ERegisterR0,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR1,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR2,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR3,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR4,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR5,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR6,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR7,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR8,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR9,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR10,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR11,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR12,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR13,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR14,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR15,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterCpsr,ETagTypeEnum, 4,EAccessReadWrite}, |
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{ERegisterR13Svc,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR14Svc,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterSpsrSvc,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR13Abt,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR14Abt,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterSpsrAbt,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR13Und,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR14Und,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterSpsrUnd,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR13Irq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR14Irq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterSpsrIrq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR8Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR9Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR10Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR11Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR12Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR13Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterR14Fiq,ETagTypeEnum, 4,EAccessNone}, |
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{ERegisterSpsrFiq, ETagTypeEnum, 4,EAccessNone} |
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}; |
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const TSubBlock DebugFunctionalityRegistersCore[] = |
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{ |
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ETagHeaderIdRegistersCore, ERegisterLast, |
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(TTag*)DebugFunctionalityRegistersCoreInfo |
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}; |
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// Co-processor registers |
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const TTag DebugFunctionalityRegistersCoProInfo[]= |
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{ |
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//this is the DACR register |
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{0x00300f01, ETagTypeTUint32, 4, EAccessReadWrite} |
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}; |
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const TSubBlock DebugFunctionalityRegistersCoPro[]= |
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{ |
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ETagHeaderIdCoProRegisters,1, |
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(TTag*)DebugFunctionalityRegistersCoProInfo |
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}; |
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// Breakpoints |
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const TTag DebugFunctionalityBreakpointsInfo[]= |
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{ |
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{EBreakpointThread,ETagTypeBoolean,0,ETrue}, |
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{EBreakpointProcess,ETagTypeBoolean,0,ETrue}, |
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{EBreakpointSystem,ETagTypeBoolean,0,EFalse}, |
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{EBreakpointArm,ETagTypeBoolean,0,ETrue}, |
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{EBreakpointThumb,ETagTypeBoolean,0,ETrue}, |
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{EBreakpointT2EE,ETagTypeBoolean,0,ETrue}, |
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{EBreakpointArmInst,ETagTypeBoolean,0,EFalse}, |
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{EBreakpointThumbInst,ETagTypeBoolean,0,EFalse}, |
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{EBreakpointT2EEInst,ETagTypeBoolean,0,ETrue}, |
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{EBreakpointSetArmInst,ETagTypeBoolean,0,EFalse}, |
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{EBreakpointSetThumbInst,ETagTypeBoolean,0,EFalse}, |
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{EBreakpointSetT2EEInst,ETagTypeBoolean,0,ETrue} |
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}; |
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const TSubBlock DebugFunctionalityBreakpoints[] = |
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{ |
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ETagHeaderIdBreakpoints, EBreakpointLast, |
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(TTag*)DebugFunctionalityBreakpointsInfo |
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}; |
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// Stepping |
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const TTag DebugFunctionalitySteppingInfo[]= |
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{ |
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{EStep,ETagTypeBoolean,0,ETrue} |
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}; |
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const TSubBlock DebugFunctionalityStepping[] = |
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{ |
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ETagHeaderIdStepping, EStepLast, |
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(TTag*)DebugFunctionalitySteppingInfo |
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}; |
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// Execution Control |
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const TTag DebugFunctionalityExecutionInfo[]= |
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{ |
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{EExecThreadSuspendResume,ETagTypeBoolean,0,ETrue}, |
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{EExecProcessSuspendResume,ETagTypeBoolean,0,EFalse}, |
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{EExecSystemSuspendResume,ETagTypeBoolean,0,EFalse}, |
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}; |
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const TSubBlock DebugFunctionalityExecution[]= |
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{ |
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ETagHeaderIdExecution, EExecLast, |
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(TTag*)DebugFunctionalityExecutionInfo |
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}; |
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// Events |
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const TTag DebugFunctionalityEventsInfo[]= |
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{ |
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{EEventsBreakPoint,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsProcessBreakPoint,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsSwExc,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsHwExc,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsKillThread,ETagTypeEnum,0,EActionContinue}, |
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{EEventsAddLibrary,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsRemoveLibrary,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsUserTrace,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsStartThread,ETagTypeEnum,0,EActionSuspend}, |
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{EEventsBufferFull,ETagTypeEnum,0,EActionContinue}, |
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{EEventsUnknown,ETagTypeEnum,0,EActionContinue}, |
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{EEventsUserTracesLost, ETagTypeEnum, 0, EActionContinue}, |
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{EEventsAddProcess,ETagTypeEnum,0,EActionContinue}, |
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{EEventsRemoveProcess,ETagTypeEnum,0,EActionContinue} |
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}; |
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const TSubBlock DebugFunctionalityEvents[] = |
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{ |
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ETagHeaderIdEvents, EEventsLast, |
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(TTag*)DebugFunctionalityEventsInfo |
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}; |
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// API Constants |
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const TTag DebugFunctionalityApiConstantsInfo[]= |
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{ |
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{EApiConstantsTEventInfoSize,ETagTypeTUint32,0,sizeof(TEventInfo)}, |
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}; |
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const TSubBlock DebugFunctionalityApiConstants[] = |
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{ |
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ETagHeaderIdApiConstants, EApiConstantsLast, |
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(TTag*)DebugFunctionalityApiConstantsInfo |
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}; |
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// Listings |
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const TTag DebugFunctionalityListInfo[] = |
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{ |
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{EProcesses,ETagTypeBitField,0,EScopeGlobal}, |
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{EThreads,ETagTypeBitField,0,EScopeGlobal|EScopeProcessSpecific|EScopeThreadSpecific}, |
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{ECodeSegs,ETagTypeBitField,0,EScopeGlobal|EScopeProcessSpecific|EScopeThreadSpecific}, |
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{EXipLibraries,ETagTypeBitField,0,EScopeGlobal}, |
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{EExecutables,ETagTypeBitField,0,EScopeGlobal}, |
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{ELogicalDevices,ETagTypeBitField,0,EScopeNone}, |
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{EMutexes,ETagTypeBitField,0,EScopeNone}, |
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{EServers,ETagTypeBitField,0,EScopeNone}, |
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{ESessions,ETagTypeBitField,0,EScopeNone}, |
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{ESemaphores,ETagTypeBitField,0,EScopeNone}, |
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{EChunks,ETagTypeBitField,0,EScopeNone}, |
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{EBreakpoints,ETagTypeBitField,0,EScopeNone}, |
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{ESetBreak,ETagTypeBitField,0,EScopeNone}, |
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{ERemoveBreak,ETagTypeBitField,0,EScopeNone}, |
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{EModifyBreak,ETagTypeBitField,0,EScopeNone}, |
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}; |
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const TSubBlock DebugFunctionalityList[] = |
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{ |
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ETagHeaderList, EListLast, |
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(TTag*)DebugFunctionalityListInfo |
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}; |
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// Listings |
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const TTag StopModeFunctionalityListInfo[] = |
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{ |
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{EProcesses,ETagTypeBitField,0,EScopeNone}, |
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{EThreads,ETagTypeBitField,0,EScopeNone}, |
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{ECodeSegs,ETagTypeBitField,0,EScopeGlobal|EScopeThreadSpecific}, |
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{EXipLibraries,ETagTypeBitField,0,EScopeNone}, |
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{EExecutables,ETagTypeBitField,0,EScopeNone}, |
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{ELogicalDevices,ETagTypeBitField,0,EScopeNone}, |
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{EMutexes,ETagTypeBitField,0,EScopeNone}, |
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{EServers,ETagTypeBitField,0,EScopeNone}, |
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{ESessions,ETagTypeBitField,0,EScopeNone}, |
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{ESemaphores,ETagTypeBitField,0,EScopeNone}, |
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{EChunks,ETagTypeBitField,0,EScopeNone}, |
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{EBreakpoints,ETagTypeBitField,0,EScopeNone}, |
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{ESetBreak,ETagTypeBitField,0,EScopeNone}, |
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{ERemoveBreak,ETagTypeBitField,0,EScopeNone}, |
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{EModifyBreak,ETagTypeBitField,0,EScopeNone}, |
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}; |
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const TSubBlock StopModeFunctionalityList[] = |
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{ |
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ETagHeaderList, EListLast, |
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(TTag*)StopModeFunctionalityListInfo |
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}; |
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// not implemented |
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335 |
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// actionpoints |
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// not implemented |
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338 |
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// codeapplets |
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// not implemented |
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// BTrace/UTrace |
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// not implemented |
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// Security |
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const TTag DebugFunctionalitySecurityInfo[]= |
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{ |
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{ESecurityOEMDebugToken,ETagTypeBoolean,0,ETrue} |
|
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}; |
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const TSubBlock DebugFunctionalitySecurity[] = |
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{ |
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ETagHeaderIdSecurity, ESecurityLast, |
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(TTag*)DebugFunctionalitySecurityInfo |
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}; |
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356 |
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TUint32 TDebugFunctionality::GetDebugFunctionalityBufSize(void) |
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{ |
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TUint32 df_size = 0; |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityCore); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityMemory); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityRegistersCore); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityRegistersCoPro); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityBreakpoints); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityStepping); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityExecution); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityEvents); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityApiConstants); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityList); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalityKillObjects); |
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df_size += ComputeBlockSize((const TSubBlock&)DebugFunctionalitySecurity); |
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return df_size; |
|
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} |
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376 |
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TUint32 TDebugFunctionality::GetStopModeFunctionalityBufSize(void) |
|
378 |
{ |
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379 |
TUint32 bytes = 0; |
|
380 |
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381 |
// First four bytes are length field |
|
382 |
// Next four are version |
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383 |
// Last four bytes will be the checksum |
|
384 |
bytes = 12 + |
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ComputeBlockSize((const TSubBlock&)StopModeFunctionalityCore) + |
|
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ComputeBlockSize((const TSubBlock&)StopModeFunctionalityBuffers) + |
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ComputeBlockSize((const TSubBlock&)StopModeFunctionalityFunctions) + |
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ComputeBlockSize((const TSubBlock&)StopModeFunctionalityList); |
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389 |
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390 |
return bytes; |
|
391 |
} |
|
392 |
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393 |
TBool TDebugFunctionality::GetStopModeFunctionality(TDes8& aDFBlock) |
|
394 |
{ |
|
395 |
TUint32 size = GetStopModeFunctionalityBufSize(); |
|
396 |
if (aDFBlock.MaxLength() < size) |
|
397 |
{ |
|
398 |
// Insufficient space to contain the debug functionality block |
|
399 |
return EFalse; |
|
400 |
} |
|
401 |
||
402 |
TUint8* ptr = (TUint8*)&size; |
|
403 |
aDFBlock.SetLength(0); |
|
404 |
aDFBlock.Append(ptr, 4); |
|
405 |
TVersion version = TVersion(KStopModeMajorVersionNumber, KStopModeMinorVersionNumber, KStopModePatchVersionNumber); |
|
406 |
ptr = (TUint8*)&version; |
|
407 |
aDFBlock.Append(ptr, sizeof(TVersion)); |
|
408 |
||
409 |
AppendBlock((const TSubBlock&)StopModeFunctionalityCore,aDFBlock); |
|
410 |
AppendBlock((const TSubBlock&)StopModeFunctionalityFunctions,aDFBlock); |
|
411 |
AppendBlock((const TSubBlock&)StopModeFunctionalityList,aDFBlock); |
|
412 |
||
413 |
const TTagHeader& header = StopModeFunctionalityBuffers->iHeader; |
|
414 |
aDFBlock.Append((TUint8*)&header, sizeof(TTagHeader)); |
|
415 |
||
416 |
for(TInt i=0; i<EBuffersLast; i++) |
|
417 |
{ |
|
418 |
TTag tag; |
|
419 |
TheDBufferManager.GetBufferDetails((TBufferType)i, tag); |
|
420 |
aDFBlock.Append((TUint8*)&tag, sizeof(TTag)); |
|
421 |
} |
|
422 |
||
423 |
if(aDFBlock.Length() != size - 4) |
|
424 |
{ |
|
425 |
return EFalse; |
|
426 |
} |
|
427 |
||
428 |
TUint32* ptr32 = (TUint32*)aDFBlock.Ptr(); |
|
429 |
TUint32 checksum = 0; |
|
430 |
for(TInt i=0; i<aDFBlock.Length(); i+=4) |
|
431 |
{ |
|
432 |
checksum^=*ptr32; |
|
433 |
ptr32++; |
|
434 |
} |
|
435 |
||
436 |
ptr = (TUint8*)&checksum; |
|
437 |
aDFBlock.Append(ptr, 4); |
|
438 |
||
439 |
return ETrue; |
|
440 |
} |
|
441 |
||
442 |
TBool TDebugFunctionality::GetDebugFunctionality(TDes8& aDFBlock) |
|
443 |
{ |
|
444 |
if (aDFBlock.MaxLength() < GetDebugFunctionalityBufSize() ) |
|
445 |
{ |
|
446 |
// Insufficient space to contain the debug functionality block |
|
447 |
return EFalse; |
|
448 |
} |
|
449 |
||
450 |
AppendBlock((const TSubBlock&)DebugFunctionalityCore,aDFBlock); |
|
451 |
AppendBlock((const TSubBlock&)DebugFunctionalityMemory,aDFBlock); |
|
452 |
AppendBlock((const TSubBlock&)DebugFunctionalityRegistersCore,aDFBlock); |
|
453 |
AppendBlock((const TSubBlock&)DebugFunctionalityRegistersCoPro,aDFBlock); |
|
454 |
AppendBlock((const TSubBlock&)DebugFunctionalityBreakpoints,aDFBlock); |
|
455 |
AppendBlock((const TSubBlock&)DebugFunctionalityStepping,aDFBlock); |
|
456 |
AppendBlock((const TSubBlock&)DebugFunctionalityExecution,aDFBlock); |
|
457 |
AppendBlock((const TSubBlock&)DebugFunctionalityEvents,aDFBlock); |
|
458 |
AppendBlock((const TSubBlock&)DebugFunctionalityApiConstants,aDFBlock); |
|
459 |
AppendBlock((const TSubBlock&)DebugFunctionalityList,aDFBlock); |
|
460 |
AppendBlock((const TSubBlock&)DebugFunctionalityKillObjects,aDFBlock); |
|
461 |
AppendBlock((const TSubBlock&)DebugFunctionalitySecurity,aDFBlock); |
|
462 |
||
463 |
return ETrue; |
|
464 |
} |
|
465 |
||
466 |
/** |
|
467 |
* Get the register information associated with aRegisterInfo. If aRegisterInfo is |
|
468 |
* an unsupported register then an entry of the form: |
|
469 |
* {aRegisterInfo, x, 0, EAccessUnknown} |
|
470 |
* will be returned where x is an arbitrary value. |
|
471 |
* |
|
472 |
* @param aRegisterInfo register id information |
|
473 |
* @param aTag The functionality information for this register. |
|
474 |
* @return One of the system wide error codes |
|
475 |
*/ |
|
476 |
TInt TDebugFunctionality::GetRegister(const TRegisterInfo aRegisterInfo, TTag& aTag) |
|
477 |
{ |
|
478 |
if(Register::IsCoreReg(aRegisterInfo)) |
|
479 |
{ |
|
480 |
for(TInt i=0; i<ERegisterLast; i++) |
|
481 |
{ |
|
482 |
if(Register::GetCoreRegId(DebugFunctionalityRegistersCoreInfo[i].iTagId) == Register::GetCoreRegId(aRegisterInfo)) |
|
483 |
{ |
|
484 |
aTag = DebugFunctionalityRegistersCoreInfo[i]; |
|
485 |
return KErrNone; |
|
486 |
} |
|
487 |
} |
|
488 |
} |
|
489 |
else if(Register::IsCoproReg(aRegisterInfo)) |
|
490 |
{ |
|
491 |
//get aRegisterInfo's details |
|
492 |
TUint32 crn = Register::GetCRn(aRegisterInfo); |
|
493 |
TUint32 crm = Register::GetCRm(aRegisterInfo); |
|
494 |
TUint32 opcode1 = Register::GetOpcode1(aRegisterInfo); |
|
495 |
TUint32 opcode2 = Register::GetOpcode2(aRegisterInfo); |
|
496 |
TUint32 coproNum = Register::GetCoproNum(aRegisterInfo); |
|
497 |
||
498 |
for(TInt i=0; i<sizeof(DebugFunctionalityRegistersCoProInfo)/sizeof(TTag); i++) |
|
499 |
{ |
|
500 |
TUint32 tagId = DebugFunctionalityRegistersCoProInfo[i].iTagId; |
|
501 |
||
502 |
//if this entry is the DACR |
|
503 |
if((Register::GetCRm(tagId) == 3) && (Register::GetCoproNum(tagId) == 15)) |
|
504 |
{ |
|
505 |
if((crm == 3) && (coproNum == 15)) |
|
506 |
{ |
|
507 |
aTag = DebugFunctionalityRegistersCoProInfo[i]; |
|
508 |
return KErrNone; |
|
509 |
} |
|
510 |
} |
|
511 |
//each coprocessor register that is supported will need logic adding here |
|
512 |
} |
|
513 |
} |
|
514 |
else // in the future there could be other types of register supported |
|
515 |
{ |
|
516 |
//for now just fall through to unsupported case |
|
517 |
} |
|
518 |
||
519 |
//found an unsupported register so just return EAccessUnknown as the access level |
|
520 |
aTag.iTagId = aRegisterInfo; |
|
521 |
aTag.iSize = 0; |
|
522 |
aTag.iValue = EAccessUnknown; |
|
523 |
||
524 |
return KErrNotSupported; |
|
525 |
} |
|
526 |
||
527 |
/** |
|
528 |
* Returns the maximum memory block size which can be read or written. |
|
529 |
* @return the maximum memory block size which can be read or written |
|
530 |
*/ |
|
531 |
TUint32 TDebugFunctionality::GetMemoryOperationMaxBlockSize() |
|
532 |
{ |
|
533 |
return DebugFunctionalityMemoryInfo[EMemoryMaxBlockSize].iValue; |
|
534 |
} |
|
535 |
||
536 |
/** |
|
537 |
* Helper function to append a DebugFunctionalityXXX SubBlock |
|
538 |
* into a TDes buffer |
|
539 |
*/ |
|
540 |
void TDebugFunctionality::AppendBlock(const TSubBlock& aDFSubBlock, TDes8& aDFBlock) |
|
541 |
{ |
|
542 |
// Copy the aSubDFBlock.header into aDFBlock (Note we don't put in a TSubBlock structure |
|
543 |
// as the block is just that - a flat block so the pointer is not required) |
|
544 |
TPtr8 SubDFBlockHdrPtr((TUint8*)&aDFSubBlock.iHeader,sizeof(TTagHeader),sizeof(TTagHeader)); |
|
545 |
||
546 |
aDFBlock.Append(SubDFBlockHdrPtr); |
|
547 |
||
548 |
// Append all the Tags |
|
549 |
for (TUint i=0; i<aDFSubBlock.iHeader.iNumTags; i++) |
|
550 |
{ |
|
551 |
TPtr8 tmpPtr((TUint8*)&aDFSubBlock.iTagArray[i],sizeof(TTag),sizeof(TTag)); |
|
552 |
||
553 |
aDFBlock.Append(tmpPtr); |
|
554 |
} |
|
555 |
} |
|
556 |
||
557 |
/** |
|
558 |
* Computes the size in bytes of aDFBlock |
|
559 |
* @param aDFSubBlock |
|
560 |
* @return TUint32 size of sub block |
|
561 |
*/ |
|
562 |
TUint32 TDebugFunctionality::ComputeBlockSize(const TSubBlock& aDFSubBlock) |
|
563 |
{ |
|
564 |
TUint32 size = 0; |
|
565 |
||
566 |
// Header size |
|
567 |
size += sizeof(TTagHeader); |
|
568 |
||
569 |
// size of all the tags within the header: |
|
570 |
size += aDFSubBlock.iHeader.iNumTags * sizeof(TTag); |
|
571 |
||
572 |
return size; |
|
573 |
} |
|
574 |