author | mikaruus <mika.a.ruuskanen@nokia.com> |
Thu, 14 Jan 2010 10:44:58 +0200 | |
changeset 5 | 8ccc39f9d787 |
parent 0 | 63b37f68c1ce |
child 9 | 8486d82aef45 |
permissions | -rw-r--r-- |
0 | 1 |
/* |
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* Copyright (c) 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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* |
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*/ |
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#include <platform.h> // For DPlatChunkHw |
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#include <nk_priv.h> // For __ASSERT_NO_FAST_MUTEX (published to partners) |
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#include "memmanager.h" // For MemManager |
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#include "memmanagertrace.h" // For C_TRACE... |
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DMemManager* DMemManager::iThisptr = NULL; |
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TDfcQue* DMemManager::iDfcQueue = NULL; |
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// Memory management fault enumerations |
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enum TMemFault |
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{ |
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EMemBlockAllocationFailed = 0, |
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EMemBlockSizeZero, |
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EExtensionMemoryAllocationFailed, |
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EDfcCreateFailed, |
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EDfcQueueCreateFailed, |
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EInvalidParameter, |
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EPhysicalMemReleaseFailed, |
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EMemoryAllocationFailed, |
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EHWMemAllocFailed, |
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EPhysicalMemAllocFailed, |
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EInvalidQueueCount, |
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EAllocNotThreadContext, |
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EDeallocNotThreadContext, |
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EMemBlockInvalidReleaseDetected |
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}; |
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/* |
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* Constructor. |
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*/ |
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DMemManager::DMemManager() |
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{ |
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C_TRACE( ( _T( "DMemManager::DMemManager>" ) ) ); |
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iFastMutex = new NFastMutex(); |
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ASSERT_RESET_ALWAYS( iFastMutex, ( EMemoryAllocationFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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//Priority must be larger than the threads calling alloc and dealloc |
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Kern::DfcQCreate( iDfcQueue, 28, &KMemManagerDfcQThreadName ); |
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ASSERT_RESET_ALWAYS( ( iDfcQueue ), ( EDfcQueueCreateFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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iPoolAllocateDfc = new TDfc( PoolAllocateDfc, this, iDfcQueue, KPoolAllocateDfcPriority ); |
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ASSERT_RESET_ALWAYS( ( iPoolAllocateDfc ), ( EDfcCreateFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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iPoolDeleteDfc = new TDfc( PoolDeleteDfc, this, iDfcQueue , KPoolDeleteDfcPriority ); |
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ASSERT_RESET_ALWAYS( ( iPoolDeleteDfc ), ( EDfcCreateFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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//Static array configuration |
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iMemPond.Append( new DMemPool( 16, 384 ) ); |
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iMemPond.Append( new DMemPool( 32, 128 ) ); |
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iMemPond.Append( new DMemPool( 64, 64 ) ); |
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iMemPond.Append( new DMemPool( 128, 80 ) ); |
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iMemPond.Append( new DMemPool( 256, 60 ) ); |
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iMemPond.Append( new DMemPool( 2048, 100 ) ); |
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iMemPond.Append( new DMemPool( 4096, 100 ) ); |
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iMemPond.Append( new DMemPool( 65524, 4 ) ); |
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C_TRACE( ( _T( "DMemManager::DMemManager<" ) ) ); |
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} |
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/* |
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* Destructor. |
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*/ |
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DMemManager::~DMemManager() |
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{ |
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C_TRACE( ( _T( "DMemManager::~DMemManager>" ) ) ); |
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for( int i = 0; i < iMemPond.Count(); i++ ) |
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{ |
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delete iMemPond[i]; |
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} |
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iMemPond.Reset(); |
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for( int i = 0; i < iPoolCreateQueue.Count(); i++ ) |
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{ |
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delete iPoolCreateQueue[i]; |
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} |
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iPoolCreateQueue.Reset(); |
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for( TInt i = 0; i < iPoolDeleteQueue.Count(); i++ ) |
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{ |
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delete iPoolDeleteQueue[i]; |
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} |
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iPoolDeleteQueue.Reset(); |
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delete iFastMutex; |
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iFastMutex = NULL; |
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C_TRACE( ( _T( "DMemManager::~DMemManager<" ) ) ); |
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} |
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/* |
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* DFC for dynamic pool allocation. |
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*/ |
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void DMemManager::PoolAllocateDfc( |
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TAny* aPtr // Pointer to this object. |
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) |
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{ |
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C_TRACE( ( _T( "DMemManager::PoolAllocateDfc aPtr 0x%x>" ), aPtr ) ); |
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DMemManager& tmp = *reinterpret_cast<DMemManager*>( aPtr ); |
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5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
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TRACE_ASSERT_ALWAYS;// See below TODO comment, needs a fix |
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NKern::FMWait( tmp.iFastMutex ); |
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ASSERT_RESET_ALWAYS( ( tmp.iPoolCreateQueue.Count() > 0 ), ( EInvalidQueueCount | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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TInt index = tmp.iMemPond.Find( tmp.iPoolCreateQueue[0] ); |
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( tmp.iMemPond[ index ] )->iCopyPoolInUse = ETrue; |
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tmp.iMemPond.Insert( (new DMemPool( tmp.iPoolCreateQueue[0]->iBlockSize, tmp.iPoolCreateQueue[0]->iBlockNum ) ), index ); |
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tmp.iPoolCreateQueue.Remove(0); |
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NKern::FMSignal( tmp.iFastMutex ); |
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C_TRACE( ( _T( "DMemManager::PoolAllocateDfc<" ) ) ); |
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} |
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/* |
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* DFC for dynamic pool deletion. |
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*/ |
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void DMemManager::PoolDeleteDfc( |
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TAny* aPtr // Pointer to this object. |
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) |
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{ |
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C_TRACE( ( _T( "DMemManager::PoolDeleteDfc aPtr 0x%x>" ), aPtr ) ); |
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DMemManager& tmp = *reinterpret_cast<DMemManager*>( aPtr ); |
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5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
|
152 |
TRACE_ASSERT_ALWAYS; // See below TODO comment, needs a fix |
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NKern::FMWait( tmp.iFastMutex ); |
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ASSERT_RESET_ALWAYS( ( tmp.iPoolDeleteQueue.Count() > 0 ), ( EInvalidQueueCount | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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delete tmp.iPoolDeleteQueue[0]; |
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tmp.iPoolDeleteQueue.Remove(0); |
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NKern::FMSignal( tmp.iFastMutex ); |
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C_TRACE( ( _T( "DMemManager::PoolDeleteDfc<" ) ) ); |
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} |
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/* |
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* Constructor. |
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*/ |
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DMemManager::DMemPool::DMemPool( const TUint16 aUnitSize, const TUint16 aUnitNum ) : |
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iAllocatedMemBlock(NULL), iFreeMemBlock(NULL), iMemoryArea(NULL), |
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iPoolSize( aUnitNum * ( aUnitSize + sizeof(struct sUnit) ) ), |
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iBlockSize( aUnitSize ), iBlockNum( aUnitNum ), |
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iBlockUsage(0), iHwChunk(NULL), iPhysicalAddress(0) |
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{ |
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C_TRACE( ( _T( "DMemManager::DMemPool::DMemPool aUnitSize 0x%x, aUnitNum 0x%x>" ), aUnitSize, aUnitNum ) ); |
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ASSERT_RESET_ALWAYS( ((aUnitSize || aUnitNum) != 0 ), ( EInvalidParameter | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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#ifndef __WINS__ |
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TInt r = Epoc::AllocPhysicalRam( iPoolSize, iPhysicalAddress ); |
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ASSERT_RESET_ALWAYS( ( r == KErrNone ), ( EPhysicalMemAllocFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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// Create chunk as: non accessible from user side and non-cached. |
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r = DPlatChunkHw::New( iHwChunk, iPhysicalAddress, iPoolSize, EMapAttrSupRw | EMapAttrFullyBlocking ); |
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ASSERT_RESET_ALWAYS( ( r == KErrNone ), ( EHWMemAllocFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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iMemoryArea = (TUint8*)(iHwChunk->LinearAddress()); |
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ASSERT_RESET_ALWAYS( ( iMemoryArea ), ( EPhysicalMemAllocFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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#else |
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iMemoryArea = (TUint8*)Kern::Alloc( iPoolSize ); |
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//ASSERT_RESET_ALWAYS( ( r == KErrNone ), ( EPhysicalMemAllocFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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// Create chunk as: non accessible from user side and non-cached. |
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//iMemoryArea = (TUint8*)(iPoolSize/*->LinearAddress()*/); |
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ASSERT_RESET_ALWAYS( ( iMemoryArea ), ( EPhysicalMemAllocFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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#endif // __WINS__ |
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for( TUint16 i = 0; i < aUnitNum; i++ ) //Link all mem unit . Create linked list. |
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{ |
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struct sUnit *pCurUnit = (struct sUnit *)( iMemoryArea + i*(aUnitSize+sizeof(struct sUnit)) ); |
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pCurUnit->iPrev = NULL; |
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pCurUnit->iNext = iFreeMemBlock; //Insert the new unit at head. |
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if(NULL != iFreeMemBlock) |
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{ |
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iFreeMemBlock->iPrev = pCurUnit; |
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} |
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pCurUnit->iMemPtr = new TPtr8( ((TUint8*)pCurUnit + sizeof(struct sUnit)) , 0, iBlockSize ); |
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iFreeMemBlock = pCurUnit; |
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} |
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iHighWaterMark = ( KPoolHighWaterLimit * aUnitNum ) / 100; |
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C_TRACE( ( _T( "DMemManager::DMemPool::DMemPool<" ) ) ); |
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} |
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/* |
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* Destructor. |
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*/ |
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DMemManager::DMemPool::~DMemPool() |
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{ |
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C_TRACE( ( _T( "DMemManager::DMemPool::~DMemPool>" ) ) ); |
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for( TUint16 i = 0; i < iBlockNum; i++ ) |
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{ |
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struct sUnit *pCurUnit = (struct sUnit *)( iMemoryArea + i*(iBlockSize+sizeof(struct sUnit)) ); |
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if( pCurUnit->iMemPtr ) |
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{ |
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delete pCurUnit->iMemPtr; |
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pCurUnit->iMemPtr = NULL; |
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} |
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} |
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#ifndef __WINS__ |
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TInt r = Epoc::FreePhysicalRam( iPhysicalAddress, iPoolSize ); |
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ASSERT_RESET_ALWAYS( ( r == KErrNone ), ( EPhysicalMemReleaseFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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iHwChunk->Close(NULL); |
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iHwChunk = NULL; |
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#else |
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Kern::Free( iMemoryArea ); |
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#endif // __WINS__ |
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C_TRACE( ( _T( "DMemManager::DMemPool::~DMemPool<" ) ) ); |
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} |
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/* |
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* Allocate memory unit. |
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*/ |
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TPtr8* DMemManager::DMemPool::Alloc( const TUint16 aSize ) |
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{ |
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5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
|
261 |
// TODO : not when FM C_TRACE( ( _T( "DMemManager::DMemPool::Alloc>" ) ) ); |
0 | 262 |
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ASSERT_RESET_ALWAYS( (iMemoryArea || iFreeMemBlock), ( EMemBlockAllocationFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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struct sUnit *pCurUnit = iFreeMemBlock; |
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iFreeMemBlock = pCurUnit->iNext; |
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if( iFreeMemBlock ) |
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{ |
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iFreeMemBlock->iPrev = NULL; |
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} |
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pCurUnit->iNext = iAllocatedMemBlock; |
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if( iAllocatedMemBlock ) |
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{ |
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iAllocatedMemBlock->iPrev = pCurUnit; |
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} |
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iAllocatedMemBlock = pCurUnit; |
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iBlockUsage++; |
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||
5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
|
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// TODO : not when FM C_TRACE( ( _T( "DMemManager::DMemPool::Alloc<" ) ) ); |
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return iAllocatedMemBlock->iMemPtr; |
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} |
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/* |
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* Free memory unit. |
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*/ |
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TBool DMemManager::DMemPool::Free( const TUint8* aBlockAddress ) |
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{ |
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5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
|
295 |
// TODO : not when FM C_TRACE( ( _T( "DMemManager::DMemPool::Free>" ) ) ); |
0 | 296 |
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struct sUnit *pCurUnit = (struct sUnit *)(aBlockAddress - sizeof(struct sUnit) ); |
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iAllocatedMemBlock = pCurUnit->iNext; |
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if(NULL != iAllocatedMemBlock) |
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{ |
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iAllocatedMemBlock->iPrev = NULL; |
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} |
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pCurUnit->iNext = iFreeMemBlock; |
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if(NULL != iFreeMemBlock) |
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{ |
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iFreeMemBlock->iPrev = pCurUnit; |
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} |
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iFreeMemBlock = pCurUnit; |
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iFreeMemBlock->iMemPtr->Zero(); |
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iBlockUsage--; |
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||
5
8ccc39f9d787
New release based on our 2010wk02 release
mikaruus <mika.a.ruuskanen@nokia.com>
parents:
0
diff
changeset
|
317 |
// TODO : not when FM C_TRACE( ( _T( "DMemManager::DMemPool::Free<" ) ) ); |
0 | 318 |
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//If empty & ready to be deleted |
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return ( iCopyPoolInUse && iBlockUsage == 0 ) ? ETrue : EFalse; |
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} |
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EXPORT_C TDes8& MemApi::AllocBlock( const TUint16 aSize ) |
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{ |
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C_TRACE( ( _T( "MemApi::AllocBlock 0x%x>" ), aSize ) ); |
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__ASSERT_NO_FAST_MUTEX; |
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ASSERT_RESET_ALWAYS( ( aSize > 0 ), ( EMemBlockSizeZero | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EAllocNotThreadContext | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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TPtr8* ptr( NULL ); |
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NKern::FMWait( DMemManager::iThisptr->iFastMutex ); |
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for( TUint8 i( 0 ); i < DMemManager::iThisptr->iMemPond.Count(); ++i ) |
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{ |
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if( aSize <= DMemManager::iThisptr->iMemPond[ i ]->iBlockSize ) |
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{ |
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ptr = DMemManager::iThisptr->iMemPond[i]->Alloc( aSize ); |
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if( DMemManager::iThisptr->iMemPond[i]->iBlockUsage > DMemManager::iThisptr->iMemPond[i]->iHighWaterMark ) |
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{ |
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DMemManager::iThisptr->iPoolCreateQueue.Append( DMemManager::iThisptr->iMemPond[i] ); |
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DMemManager::iThisptr->iPoolAllocateDfc->Enque(); |
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} |
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NKern::FMSignal( DMemManager::iThisptr->iFastMutex ); |
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break; |
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} |
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} |
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ASSERT_RESET_ALWAYS( ptr, ( EMemBlockAllocationFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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ASSERT_RESET_ALWAYS( ptr->Size() == 0, ( EMemBlockInvalidReleaseDetected | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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C_TRACE( ( _T( "MemApi::AllocBlock 0x%x<" ), ptr ) ); |
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return *ptr; |
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} |
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EXPORT_C void MemApi::DeallocBlock( TDes8& aBlock ) |
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{ |
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C_TRACE( ( _T( "MemApi::DeallocBlock aBlock 0x%x>" ), &aBlock ) ); |
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__ASSERT_NO_FAST_MUTEX; |
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ASSERT_THREAD_CONTEXT_ALWAYS( ( EDeallocNotThreadContext | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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TBool removePool = EFalse; |
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NKern::FMWait( DMemManager::iThisptr->iFastMutex ); |
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for( TUint8 i( 0 ); i < DMemManager::iThisptr->iMemPond.Count(); ++i ) |
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{ |
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//Check if inside pools memory area |
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if( ( (DMemManager::iThisptr->iMemPond[i]->iMemoryArea) < aBlock.Ptr() ) && |
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( aBlock.Ptr() < (DMemManager::iThisptr->iMemPond[i]->iMemoryArea + DMemManager::iThisptr->iMemPond[i]->iPoolSize) ) ) |
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{ |
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removePool = DMemManager::iThisptr->iMemPond[i]->Free( aBlock.Ptr() ); |
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if( removePool ) |
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{ |
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DMemManager::iThisptr->iPoolDeleteQueue.Append( DMemManager::iThisptr->iMemPond[i] ); |
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DMemManager::iThisptr->iMemPond.Remove( i ); |
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DMemManager::iThisptr->iPoolDeleteDfc->Enque(); |
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} |
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387 |
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break; |
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} |
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} |
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391 |
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NKern::FMSignal( DMemManager::iThisptr->iFastMutex ); |
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} |
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DECLARE_STANDARD_EXTENSION() |
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{ |
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Kern::Printf( "Memory Manager Extension>" ); |
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DMemManager* extension = new DMemManager(); |
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ASSERT_RESET_ALWAYS( ( extension ), ( EExtensionMemoryAllocationFailed | EDMemmanagerTraceId << KClassIdentifierShift ) ); |
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DMemManager::iThisptr = static_cast< DMemManager* >( extension ); |
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Kern::Printf( "Memory Manager Extension<" ); |
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return KErrNone; |
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} |
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// End of File |
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