// 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