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) 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:
*
*/
//
// tmsmemmap.cpp
//
// Maps a position to mass storage address space
//
/** @file
@internalTechnology
*/
#include <e32def.h>
#include <e32err.h>
#include "tmsmemmap.h"
#include "debug.h"
TMsDataMemMap::TMsDataMemMap()
{
__MSFNSLOG
Reset();
}
/**
Checks that the block is within the limits of the media memory address space
and truncates the length if block extends beyond media size.
@param aPos [IN] Position of start address [OUT] Adjusted position to real
address on media.
@param aLength [IN] Number of bytes [OUT] Number of bytes truncated in case
of block overflow.
@return TInt KErrNone if block fits. KErrArgument if start position is
greater than the media size. KErrEof if block extends beyond media size.
*/
TInt TMsDataMemMap::TranslateDataPos(TInt64& aPos, TInt& aLength) const
{
__MSFNSLOG
// Map to the actual position on the media
aPos += iDataOffset;
if (aPos > iSize)
{
return KErrArgument;
}
TInt64 endPos = aPos + aLength;
if (endPos > iSize)
{
aLength = iSize - aPos;
return KErrEof;
}
return KErrNone;
}
/**
Checks that the block is within the limits of the media memory address space
@param aPos [IN] Position of start address [OUT] Adjusted position to real
address on media.
@param aLength Number of bytes.
@return TInt KErrNone if block fits. KErrArgument if start position is
greater than the media size. KErrEof if block extends beyond media size.
*/
TInt TMsDataMemMap::CheckBlockInRange(TInt64& aPos, TInt aLength) const
{
__MSFNSLOG
// Map to the actual position on the media
aPos += iDataOffset;
if (aPos > iSize)
{
return KErrArgument;
}
TInt64 endPos = aPos + aLength;
if (endPos > iSize)
{
__PXYPRINT2(_L("EOF found 0x%lx x%x"), aPos, aLength);
return KErrEof;
}
return KErrNone;
}