diff -r 000000000000 -r 96e5fb8b040d kernel/eka/memmodel/epoc/direct/arm/xinit.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kernel/eka/memmodel/epoc/direct/arm/xinit.cpp Thu Dec 17 09:24:54 2009 +0200 @@ -0,0 +1,90 @@ +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of the License "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// e32\memmodel\epoc\direct\arm\xinit.cpp +// +// + +#include "arm_mem.h" +#include +#include + +void MM::Init1() + { + __KTRACE_OPT(KBOOT,Kern::Printf("MM::Init1()")); + + MM::RamBlockSize=0x1000; + MM::RamBlockShift=12; + + PP::MaxUserThreadStack=0x14000; // 80K - STDLIB asks for 64K for PosixServer!!!! + PP::UserThreadStackGuard=0x2000; // 8K + PP::MaxStackSpacePerProcess=0x200000; // 2Mb + K::SupervisorThreadStackSize=0x1000; // 4K + PP::SupervisorThreadStackGuard=0x1000; // 4K + + K::MachineConfig=(TMachineConfig*)(((TUint8*)SuperPageAddress)+0x800); // HACK!! + K::MaxMemCopyInOneGo = KDefaultMaxMemCopyInOneGo; + PP::RamDriveStartAddress = TheSuperPage().iKernelLimit; + PP::RamDriveMaxSize = TheRomHeader().iUserDataAddress - PP::RamDriveStartAddress; + + __KTRACE_OPT(KBOOT,Kern::Printf("RamDriveBase %08x RamDriveMaxSize %08x",PP::RamDriveStartAddress,PP::RamDriveMaxSize)); + +#ifdef __CPU_ARM_USE_DOMAINS + Arm::DefaultDomainAccess=Arm::Dacr(); +#endif + + K::MemModelAttributes=EMemModelTypeDirect|EMemModelAttrNonExProt|EMemModelAttrKernProt| + EMemModelAttrWriteProt|EMemModelAttrSvKernProt; + + __KTRACE_OPT(KBOOT,Kern::Printf("K::MaxMemCopyInOneGo=0x%x",K::MaxMemCopyInOneGo)); + } + +#ifdef __CPU_HAS_CACHE +// Set up virtual addresses used for cache flushing if this is +// done by data read or line allocate +void M::SetupCacheFlushPtr(TInt aCache, SCacheInfo& aInfo) + { +#if defined(__CPU_CACHE_FLUSH_BY_DATA_READ) || defined(__CPU_CACHE_FLUSH_BY_LINE_ALLOC) +#ifdef __CPU_HAS_ALT_D_CACHE + if (aCache==KCacheNumAltD) + { + aInfo.iFlushPtr=TheSuperPage().iAltDCacheFlushArea; + aInfo.iFlushMask=TheSuperPage().iAltDCacheFlushWrap; + } +#endif + if (aCache==KCacheNumD) + { + aInfo.iFlushPtr=TheSuperPage().iDCacheFlushArea; + aInfo.iFlushMask=TheSuperPage().iDCacheFlushWrap; + } +#endif + } +#endif + +#ifdef __SMP__ +void M::GetAPBootInfo(TInt aCpu, volatile SAPBootInfo* aInfo) + { + volatile SArmAPBootInfo& info = *(volatile SArmAPBootInfo*)aInfo; + TSubScheduler& ss = SubScheduler(); + TUint32 delta = aCpu*0x2000; + info.iInitR13Fiq = TLinAddr(ss.i_FiqStackTop) + delta; + info.iInitR13Irq = TLinAddr(ss.i_IrqStackTop) + delta; + info.iInitR13Abt = TLinAddr(ss.i_AbtStackTop) + delta; + info.iInitR13Und = TLinAddr(ss.i_UndStackTop) + delta; + } + +void M::Init2AP() + { + __KTRACE_OPT(KBOOT,Kern::Printf("M::Init2AP()")); + } +#endif