kernel/eka/include/memmodel/epoc/mmubase/mmubase.inl
changeset 0 a41df078684a
child 28 5b5d147c7838
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/include/memmodel/epoc/mmubase/mmubase.inl	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,96 @@
+// Copyright (c) 2006-2009 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\include\memmodel\epoc\mmubase\mmubase.inl
+// 
+//
+
+#ifndef __MMUBASE_INL__
+#define __MMUBASE_INL__
+
+#include <mmboot.h>
+
+const TInt KPageInfosPerPageShift = KPageShift-KPageInfoShift;
+const TInt KPageInfosPerPage = 1<<KPageInfosPerPageShift;
+const TInt KNumPageInfoPagesShift = 32-KPageShift-KPageInfosPerPageShift;
+const TInt KNumPageInfoPages = 1<<KNumPageInfoPagesShift;
+
+inline SPageInfo* SPageInfo::FromPhysAddr(TPhysAddr aAddress)
+	{
+	return ((SPageInfo*)KPageInfoLinearBase)+(aAddress>>KPageShift);
+	}
+
+inline TPhysAddr SPageInfo::PhysAddr()
+	{
+	return ((TPhysAddr)this)<<KPageInfosPerPageShift;
+	}
+
+
+//
+// M class implementations of ram allocator and defrag methods
+// Make these inline as they are just memory model independent interface
+// for the ram allocator and defrag classes.
+//
+
+inline TInt M::PageShift()
+	{
+	return KPageShift;
+	}
+
+
+inline void M::RamAllocLock()
+	{
+	MmuBase::Wait();
+	}
+
+
+inline void M::RamAllocUnlock()
+	{
+	MmuBase::Signal();
+	}
+
+
+inline void M::RamAllocIsLocked()
+	{
+#ifdef _DEBUG
+	if (!K::Initialising) 
+		__ASSERT_MUTEX(MmuBase::RamAllocatorMutex);
+#endif
+	}
+
+
+inline TUint M::NumberOfFreeDpPages()
+	{
+	return Mmu::Get().NumberOfFreeDpPages();
+	}
+
+
+inline TUint M::NumberOfDirtyDpPages()
+	{// This memory model doesn't support data paging so can't get dirty paged pages.
+	return 0;
+	}
+
+
+inline TInt M::MovePage(TPhysAddr aOld, TPhysAddr& aNew, TUint aBlockZoneId, TBool aBlockRest)
+	{
+	return Mmu::Get().MovePage(aOld, aNew, aBlockZoneId, aBlockRest);
+	}
+
+
+inline TInt M::DiscardPage(TPhysAddr aAddr, TUint aBlockZoneId, TBool aBlockRest)
+	{
+	return Mmu::Get().DiscardPage(aAddr, aBlockZoneId, aBlockRest);
+	}
+#endif
+
+