os/kernelhwsrv/kernel/eka/memmodel/epoc/flexible/minit.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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// Copyright (c) 1996-2009 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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#include <memmodel.h>
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#include "mmu/mm.h"
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#include "mmboot.h"
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#include "cache_maintenance.h"
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extern void DoProcessSwitch();
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void M::Init1()
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	{
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	// Memory model dependent CPU stuff
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	__KTRACE_OPT(KBOOT,Kern::Printf("MM::Init1()"));
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	K::MaxMemCopyInOneGo=KDefaultMaxMemCopyInOneGo;
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	TheScheduler.SetProcessHandler((TLinAddr)DoProcessSwitch);
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	__KTRACE_OPT(KBOOT,Kern::Printf("K::MaxMemCopyInOneGo=0x%x",K::MaxMemCopyInOneGo));
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	// Set up cache info
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	CacheMaintenance::Init1();
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	// First phase MMU initialisation
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	MM::Init1();
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	}
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void M::Init2()
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	{
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	// Second phase MMU initialisation
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	MM::Init2();
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	}
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void M::Init3()
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	{
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	// Third phase MMU initialisation
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	MM::Init3();
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	}
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TInt M::InitSvHeapChunk(DChunk* aChunk, TInt aSize)
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	{
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	TInt r;
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	TLinAddr base = TheRomHeader().iKernDataAddress;
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	DMemModelChunk* pC = (DMemModelChunk*)aChunk;
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	K::HeapInfo.iChunk = aChunk;
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	K::HeapInfo.iBase = (TUint8*)base;
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	K::HeapInfo.iMaxSize = pC->MaxSize();
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	pC->SetFixedAddress(base, aSize);
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	__KTRACE_OPT(KBOOT,Kern::Printf("Created SvHeap chunk, addr %08X, init size %08X max size %08X",base,aSize,pC->MaxSize()));
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	r=((DMemModelProcess*)K::TheKernelProcess)->DoAddChunk(pC,EFalse);
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 	__KTRACE_OPT(KBOOT,Kern::Printf("Added kernel heap chunk to current process, %d",r));
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	__NK_ASSERT_DEBUG(pC->Base(K::TheKernelProcess)==(TUint8*)base);
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	return r;
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	}
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TInt M::InitSvStackChunk()
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	{
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	// nothing to do...
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	return KErrNone;
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	}
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void RHeapK::Mutate(TInt aOffset, TInt aMaxLength)
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//
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// Used by the kernel to mutate a fixed heap into a chunk heap.
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//
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	{
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	iMinLength += aOffset;
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	iMaxLength = aMaxLength + aOffset;
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	iOffset = aOffset;
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	iChunkHandle = (TInt)K::HeapInfo.iChunk;
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	iPageSize = KPageSize;
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	iGrowBy = iPageSize;
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	iFlags = 0;
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	MM::MemorySetLock(((DMemModelChunk*)K::HeapInfo.iChunk)->iMemoryObject,*(DMutex**)&iLock);
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	}
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