kernel/eka/memmodel/epoc/flexible/minit.cpp
changeset 0 a41df078684a
child 62 4a8fed1c0ef6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/memmodel/epoc/flexible/minit.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,95 @@
+// 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:
+//
+
+#include <memmodel.h>
+#include "mmu/mm.h"
+#include "mmboot.h"
+
+#include "cache_maintenance.h"
+
+extern void DoProcessSwitch();
+
+void M::Init1()
+	{
+	// Memory model dependent CPU stuff
+	__KTRACE_OPT(KBOOT,Kern::Printf("MM::Init1()"));
+
+	K::MaxMemCopyInOneGo=KDefaultMaxMemCopyInOneGo;
+	TheScheduler.SetProcessHandler((TLinAddr)DoProcessSwitch);
+
+	__KTRACE_OPT(KBOOT,Kern::Printf("K::MaxMemCopyInOneGo=0x%x",K::MaxMemCopyInOneGo));
+
+	// Set up cache info
+	CacheMaintenance::Init1();
+
+	// First phase MMU initialisation
+	MM::Init1();
+	}
+
+
+void M::Init2()
+	{
+	// Second phase MMU initialisation
+	MM::Init2();
+	}
+
+
+void M::Init3()
+	{
+	// Third phase MMU initialisation
+	MM::Init3();
+	}
+
+
+TInt M::InitSvHeapChunk(DChunk* aChunk, TInt aSize)
+	{
+	TInt r;
+	TLinAddr base = TheRomHeader().iKernDataAddress;
+	DMemModelChunk* pC = (DMemModelChunk*)aChunk;
+	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",base,aSize,pC->MaxSize()));
+	r=((DMemModelProcess*)K::TheKernelProcess)->DoAddChunk(pC,EFalse);
+ 	__KTRACE_OPT(KBOOT,Kern::Printf("Added kernel heap chunk to current process, %d",r));
+	__NK_ASSERT_DEBUG(pC->Base(K::TheKernelProcess)==(TUint8*)base);
+	return r;
+	}
+
+
+TInt M::InitSvStackChunk()
+	{
+	// nothing to do...
+	return KErrNone;
+	}
+
+
+void RHeapK::Mutate(TInt aOffset, TInt aMaxLength)
+//
+// Used by the kernel to mutate a fixed heap into a chunk heap.
+//
+	{
+	iMinLength += aOffset;
+	iMaxLength = aMaxLength + aOffset;
+	iOffset = aOffset;
+	iChunkHandle = (TInt)K::HeapInfo.iChunk;
+	iPageSize = KPageSize;
+	iGrowBy = iPageSize;
+	iFlags = 0;
+	MM::MemorySetLock(((DMemModelChunk*)K::HeapInfo.iChunk)->iMemoryObject,*(DMutex**)&iLock);
+	}
+
+