// 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 <e32uid.h>

#include <kernel/cache.h>

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