Comment out the line with rofs for f32tests.oby and comment out the variant bit to allow to build e32 & f32 tests for kernelhwsrv.
// Copyright (c) 1998-2009 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/kernel/edev.mmp
//
//
target edev.lib
targettype klib
#include "kern_int.mmh"
#if defined(X86)
sourcepath x86
source d_entryx.cpp
source d_entry.cia
#elif defined(MARM)
#if defined(ARMCC)
sourcepath ../compsupp/rvct
source ucppfini.cpp
#endif
sourcepath arm
source d_entry.cia
#else // WINS
sourcepath win32
source d_entryx.cpp
#ifdef CW32
start wins
win32_headers
end
#endif
#endif // WINS
source d_entry.cpp
capability all
VENDORID 0x70000001
SMPSAFE