1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/memmodel/epoc/moving/minit.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,111 @@
1.4 +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32\memmodel\epoc\moving\minit.cpp
1.18 +//
1.19 +//
1.20 +
1.21 +#include "memmodel.h"
1.22 +#include "cache_maintenance.h"
1.23 +
1.24 +_LIT(KLitSvStack,"SvStack");
1.25 +
1.26 +const TInt KMaxSupervisorStackSpace=0x200000;
1.27 +
1.28 +void M::Init1()
1.29 + {
1.30 + TheCurrentAddressSpace=NULL;
1.31 + TheCurrentVMProcess=NULL;
1.32 + TheCurrentDataSectionProcess=NULL;
1.33 + TheCompleteDataSectionProcess=NULL;
1.34 +
1.35 + // Memory model dependent CPU stuff
1.36 + MM::Init1();
1.37 +
1.38 + // Set up cache info
1.39 + CacheMaintenance::Init1();
1.40 +
1.41 + // First phase MMU initialisation
1.42 + Mmu& m=Mmu::Get();
1.43 + m.Init1();
1.44 + }
1.45 +
1.46 +void M::Init2()
1.47 + {
1.48 + // Second phase MMU initialisation
1.49 + Mmu& m=Mmu::Get();
1.50 + m.Init2();
1.51 + }
1.52 +
1.53 +void M::Init3()
1.54 + {
1.55 + // Third phase MMU initialisation
1.56 + Mmu& m=Mmu::Get();
1.57 + m.Init3();
1.58 + }
1.59 +
1.60 +TInt M::InitSvHeapChunk(DChunk* aChunk, TInt aSize)
1.61 + {
1.62 + TInt r;
1.63 + DMemModelChunk* pC=(DMemModelChunk*)aChunk;
1.64 + TLinAddr base = TheRomHeader().iKernDataAddress;
1.65 + K::HeapInfo.iChunk = aChunk;
1.66 + K::HeapInfo.iBase = (TUint8*)base;
1.67 + K::HeapInfo.iMaxSize = pC->MaxSize();
1.68 + pC->SetFixedAddress(base, aSize);
1.69 + __KTRACE_OPT(KBOOT,Kern::Printf("Created SvHeap chunk, addr %08X, init size %08X max size %08X",pC->Base(),aSize,pC->MaxSize()));
1.70 + TLinAddr dataSectionBase=0;
1.71 + r=((DMemModelProcess*)K::TheKernelProcess)->AddChunk(pC,dataSectionBase,EFalse);
1.72 + __KTRACE_OPT(KBOOT,Kern::Printf("Added kernel heap chunk to current process, %d",r));
1.73 + return r;
1.74 + }
1.75 +
1.76 +TInt M::InitSvStackChunk()
1.77 + {
1.78 + // create a chunk to hold supervisor-mode stacks
1.79 + DMemModelChunk* pC=NULL;
1.80 + DMemModelProcess* pP=(DMemModelProcess*)K::TheKernelProcess;
1.81 + TInt maxsize=Mmu::RoundToChunkSize(KMaxSupervisorStackSpace);
1.82 + TLinAddr dataSectionBase=0;
1.83 + SChunkCreateInfo cinfo;
1.84 + cinfo.iGlobal=EFalse;
1.85 + cinfo.iAtt=TChunkCreate::EDisconnected;
1.86 + cinfo.iForceFixed=EFalse;
1.87 + cinfo.iOperations=0;
1.88 + cinfo.iType=EKernelStack;
1.89 + cinfo.iMaxSize=maxsize;
1.90 + cinfo.iPreallocated=0;
1.91 + cinfo.iName.Set(KLitSvStack);
1.92 + cinfo.iOwner=K::TheKernelProcess;
1.93 + TInt r=pP->NewChunk((DChunk*&)pC,cinfo,dataSectionBase);
1.94 + __KTRACE_OPT(KBOOT,Kern::Printf("Created SvStack, %d",r));
1.95 + if (r!=KErrNone)
1.96 + return r;
1.97 + r=pC->Reserve(0);
1.98 + if (r!=KErrNone)
1.99 + return r;
1.100 + __KTRACE_OPT(KBOOT,Kern::Printf("Created SvStack chunk, addr %08X, max size %08X",pC->Base(),maxsize));
1.101 + MM::SvStackChunk=pC;
1.102 + r=pP->AddChunk(pC,dataSectionBase,EFalse);
1.103 + __KTRACE_OPT(KBOOT,Kern::Printf("Added SvStack chunk to current process, %d",r));
1.104 +
1.105 + // create user code chunk
1.106 + if (r==KErrNone)
1.107 + r = MM::CreateCodeChunk(EFalse);
1.108 +
1.109 + // create kernel code chunk
1.110 + if (r==KErrNone)
1.111 + r = MM::CreateCodeChunk(ETrue);
1.112 + return r;
1.113 + }
1.114 +