userlibandfileserver/fileserver/shostmassstorage/msproxy/tmsmemmap.inl
author Mike Kinghan <mikek@symbian.org>
Tue, 16 Nov 2010 14:39:21 +0000
branchGCC_SURGE
changeset 303 9b85206a602c
parent 109 b3a1d9898418
child 147 bbf8bed59bcb
permissions -rw-r--r--
We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass of the rom input files can be informed what toolchain we are building with and conditionally include or exclude files depending on whether the toolchain could build them.

// Copyright (c) 2008-2010 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:
//

/**
 @file
 @internalTechnology
*/


inline void TMsDataMemMap::Reset()
    {
    iDataOffset = static_cast<TInt64>(0);
    iSize = static_cast<TUint64>(0);
    }


inline TUint32 TMsDataMemMap::BlockLength() const
    {
    return iSectorSize;
    }


inline TUint64 TMsDataMemMap::DataSize() const
    {
    return iSize - iDataOffset;
    }

inline void TMsDataMemMap::InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors, TUint32 aSectorSize)
	{
	iSectorSize = aSectorSize;

	iFormatSectorShift = 0;
	while(aSectorSize)
		{
		++iFormatSectorShift;
		aSectorSize >>= 1;
		}

	iDataOffset = static_cast<TInt64>(aFirstDataSector) * iSectorSize;
	iSize = static_cast<TInt64>(aNumSectors) * iSectorSize;
	}


inline void TMsDataMemMap::InitDataArea(TUint64 aSize)
    {
    iSize = aSize - iDataOffset;
    }


inline TInt64 TMsDataMemMap::GetDataPos(TInt64 aPos) const
    {
    return aPos + iDataOffset;
    }

inline TInt TMsDataMemMap::FormatSectorShift() const
	{
	return iFormatSectorShift;
	}