Trying to figure out how to implement my WINC like compatibility layer. Going the emulation way is probably not so smart. We should not use the kernel but rather hook native functions in the Exec calls.
// Copyright (c) 2008-2009 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:
//
inline TInt DDmaHelper::PageSizeLog2() { return iPageSizeLog2; }
inline TBool DDmaHelper::IsPageAligned(TLinAddr aAddr) { return !(aAddr & iPageSizeMsk); }
inline TLinAddr DDmaHelper::PageAlign(TLinAddr aAddr) { return aAddr & ~iPageSizeMsk; }
inline TLinAddr DDmaHelper::PageOffset(TLinAddr aAddr) { return aAddr & iPageSizeMsk; }
inline TInt DDmaHelper::MaxFragLength() const { return iMaxPages << iPageSizeLog2; }
inline void DDmaHelper::SetFragLength(TInt aLength) { iFragLen = iFragLenRemaining = aLength; }
inline TInt DDmaHelper::FragLength() const { return iFragLen; }
inline TInt DDmaHelper::LengthRemaining() const { return iReqLenClient - iLenConsumed; }
inline TUint32 DDmaHelper::LengthConsumed() const {return iLenConsumed; }
inline TBool DDmaHelper::IsDmaAligned(TLinAddr aAddr) { return !(aAddr & (iDmaAlignment-1)); }
inline TBool DDmaHelper::IsBlockAligned(TInt64 aPos) { return !(aPos & iMediaBlockSizeMask); }
inline TInt64 DDmaHelper::BlockAlign(TInt64 aPos) { return aPos & ~iMediaBlockSizeMask; }
inline TInt DDmaHelper::BlockOffset(TInt64 aPos) { return TInt(aPos & iMediaBlockSizeMask); }
inline TLinAddr DDmaHelper::LinAddress() const { return iLinAddressUser + ((TUint32) iReqRemoteDesOffset) + iLenConsumed; }