--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/memmodel/epoc/direct/minit.cpp	Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,103 @@
+// 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\minit.cpp
+// 
+//
+
+#include <memmodel.h>
+#include "cache_maintenance.h"
+
+_LIT(KLitRamAlloc,"RamAlloc");
+
+const TInt KMaxSupervisorStackSpace=0x200000;
+
+void M::Init1()
+	{
+	__KTRACE_OPT2(KBOOT,KMMU,Kern::Printf("M::Init1"));
+	MM::UserDataSectionBase=TheRomHeader().iUserDataAddress;
+	MM::UserRomDataSectionEnd=TheRomHeader().iUserDataAddress+TheRomHeader().iTotalUserDataSize;
+	MM::UserDataSectionEnd = TheSuperPage().iRamBase + TheSuperPage().iTotalRamSize;
+
+	__KTRACE_OPT2(KBOOT,KMMU,Kern::Printf("MM::UserDataSectionBase=%08x",MM::UserDataSectionBase));
+	__KTRACE_OPT2(KBOOT,KMMU,Kern::Printf("MM::UserRomDataSectionEnd=%08x",MM::UserRomDataSectionEnd));
+	__KTRACE_OPT2(KBOOT,KMMU,Kern::Printf("MM::UserDataSectionEnd=%08x",MM::UserDataSectionEnd));
+
+	// Memory model dependent CPU stuff
+	MM::Init1();
+
+	// Set up cache info
+	CacheMaintenance::Init1();
+	}
+
+void M::Init2()
+	{
+	__KTRACE_OPT2(KBOOT,KMMU,Kern::Printf("M::Init2"));
+	TInt userRam=MM::UserDataSectionEnd-MM::UserDataSectionBase;
+	TInt blocks=userRam>>MM::RamBlockShift;
+	MM::RamAllocator=TBitMapAllocator::New(blocks,ETrue);
+	if (!MM::RamAllocator)
+		MM::Panic(MM::ERamAllocCreateFailed);
+	TInt used_blocks=(MM::UserRomDataSectionEnd-MM::UserDataSectionBase)>>MM::RamBlockShift;
+	if (used_blocks)
+		MM::RamAllocator->Alloc(0,used_blocks);
+	__KTRACE_OPT(KBOOT,Kern::Printf("%d blocks, %d used",blocks,used_blocks));
+	TInt r=K::MutexCreate((DMutex*&)MM::RamAllocatorMutex, KLitRamAlloc, NULL, EFalse, KMutexOrdRamAlloc);
+	if (r!=KErrNone)
+		MM::Panic(MM::ERamAllocMutexCreateFailed);
+	const SRamBank* banks = (const SRamBank*)TheSuperPage().iRamBootData;
+	TInt nBanks = 0;
+	TInt maxBankBlocks = 0;
+	TInt bnum = 0;
+	const SRamBank* pB = banks;
+	for (; pB->iSize; ++nBanks, ++pB)
+		{
+		TInt nblocks = pB->iSize >> MM::RamBlockShift;
+		TInt abnum = bnum &~ 31;
+		TInt a_end = (bnum + nblocks + 31)&~31;
+		TInt a_count = a_end - abnum;
+		if (a_count > maxBankBlocks)
+			maxBankBlocks = a_count;
+		bnum += (pB->iSize >> MM::RamBlockShift);
+		}
+	__KTRACE_OPT(KBOOT,Kern::Printf("%d banks, max bank blocks %08x", nBanks, maxBankBlocks));
+	if (nBanks>1)
+		{
+		MM::SecondaryAllocator = TBitMapAllocator::New(maxBankBlocks, ETrue);
+		if (!MM::SecondaryAllocator)
+			MM::Panic(MM::ESecAllocCreateFailed);
+		}
+	}
+
+void M::Init3()
+	{
+	// Third phase MMU initialisation
+	}
+
+TInt M::InitSvHeapChunk(DChunk* aChunk, TInt aSize)
+	{
+	DMemModelChunk* pC=(DMemModelChunk*)aChunk;
+	TLinAddr base = TheRomHeader().iKernDataAddress;
+	K::HeapInfo.iChunk = aChunk;
+	K::HeapInfo.iBase = (TUint8*)base;
+	K::HeapInfo.iMaxSize = pC->MaxSize();
+	pC->SetFixedAddress(base, aSize);
+	__KTRACE_OPT(KBOOT,Kern::Printf("Created SvHeap chunk, addr %08X, init size %08X max size %08X",pC->Base(),aSize,pC->MaxSize()));
+	return KErrNone;
+	}
+
+TInt M::InitSvStackChunk()
+	{
+	return KErrNone;
+	}
+