sl@0: // Copyright (c) 1996-2009 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\memmodel\epoc\moving\minit.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "memmodel.h"
sl@0: #include "cache_maintenance.h"
sl@0: 
sl@0: _LIT(KLitSvStack,"SvStack");
sl@0: 
sl@0: const TInt KMaxSupervisorStackSpace=0x200000;
sl@0: 
sl@0: void M::Init1()
sl@0: 	{
sl@0: 	TheCurrentAddressSpace=NULL;
sl@0: 	TheCurrentVMProcess=NULL;
sl@0: 	TheCurrentDataSectionProcess=NULL;
sl@0: 	TheCompleteDataSectionProcess=NULL;
sl@0: 
sl@0: 	// Memory model dependent CPU stuff
sl@0: 	MM::Init1();
sl@0: 
sl@0: 	// Set up cache info
sl@0: 	CacheMaintenance::Init1();
sl@0: 
sl@0: 	// First phase MMU initialisation
sl@0: 	Mmu& m=Mmu::Get();
sl@0: 	m.Init1();
sl@0: 	}
sl@0: 
sl@0: void M::Init2()
sl@0: 	{
sl@0: 	// Second phase MMU initialisation
sl@0: 	Mmu& m=Mmu::Get();
sl@0: 	m.Init2();
sl@0: 	}
sl@0: 
sl@0: void M::Init3()
sl@0: 	{
sl@0: 	// Third phase MMU initialisation
sl@0: 	Mmu& m=Mmu::Get();
sl@0: 	m.Init3();
sl@0: 	}
sl@0: 
sl@0: TInt M::InitSvHeapChunk(DChunk* aChunk, TInt aSize)
sl@0: 	{
sl@0: 	TInt r;
sl@0: 	DMemModelChunk* pC=(DMemModelChunk*)aChunk;
sl@0: 	TLinAddr base = TheRomHeader().iKernDataAddress;
sl@0: 	K::HeapInfo.iChunk = aChunk;
sl@0: 	K::HeapInfo.iBase = (TUint8*)base;
sl@0: 	K::HeapInfo.iMaxSize = pC->MaxSize();
sl@0: 	pC->SetFixedAddress(base, aSize);
sl@0: 	__KTRACE_OPT(KBOOT,Kern::Printf("Created SvHeap chunk, addr %08X, init size %08X max size %08X",pC->Base(),aSize,pC->MaxSize()));
sl@0: 	TLinAddr dataSectionBase=0;
sl@0: 	r=((DMemModelProcess*)K::TheKernelProcess)->AddChunk(pC,dataSectionBase,EFalse);
sl@0:  	__KTRACE_OPT(KBOOT,Kern::Printf("Added kernel heap chunk to current process, %d",r));
sl@0: 	return r;
sl@0: 	}
sl@0: 
sl@0: TInt M::InitSvStackChunk()
sl@0: 	{
sl@0: 	// create a chunk to hold supervisor-mode stacks
sl@0: 	DMemModelChunk* pC=NULL;
sl@0: 	DMemModelProcess* pP=(DMemModelProcess*)K::TheKernelProcess;
sl@0: 	TInt maxsize=Mmu::RoundToChunkSize(KMaxSupervisorStackSpace);
sl@0: 	TLinAddr dataSectionBase=0;
sl@0: 	SChunkCreateInfo cinfo;
sl@0: 	cinfo.iGlobal=EFalse;
sl@0: 	cinfo.iAtt=TChunkCreate::EDisconnected;
sl@0: 	cinfo.iForceFixed=EFalse;
sl@0: 	cinfo.iOperations=0;
sl@0: 	cinfo.iType=EKernelStack;
sl@0: 	cinfo.iMaxSize=maxsize;
sl@0: 	cinfo.iPreallocated=0;
sl@0: 	cinfo.iName.Set(KLitSvStack);
sl@0: 	cinfo.iOwner=K::TheKernelProcess;
sl@0: 	TInt r=pP->NewChunk((DChunk*&)pC,cinfo,dataSectionBase);
sl@0: 	__KTRACE_OPT(KBOOT,Kern::Printf("Created SvStack, %d",r));
sl@0: 	if (r!=KErrNone)
sl@0: 		return r;
sl@0: 	r=pC->Reserve(0);
sl@0: 	if (r!=KErrNone)
sl@0: 		return r;
sl@0: 	__KTRACE_OPT(KBOOT,Kern::Printf("Created SvStack chunk, addr %08X, max size %08X",pC->Base(),maxsize));
sl@0: 	MM::SvStackChunk=pC;
sl@0: 	r=pP->AddChunk(pC,dataSectionBase,EFalse);
sl@0:  	__KTRACE_OPT(KBOOT,Kern::Printf("Added SvStack chunk to current process, %d",r));
sl@0: 
sl@0: 	// create user code chunk
sl@0: 	if (r==KErrNone)
sl@0: 		r = MM::CreateCodeChunk(EFalse);
sl@0: 
sl@0: 	// create kernel code chunk
sl@0: 	if (r==KErrNone)
sl@0: 		r = MM::CreateCodeChunk(ETrue);
sl@0: 	return r;
sl@0: 	}
sl@0: