/*
 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
 *
 * This file is part of nios2sim-ng.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#ifndef _BITS_H_
#define _BITS_H_

#define BIT_MASK(n)	(((n) == 64) ? ~0ULL : ((1ULL << (n))-1))

#endif /* _BITS_H_ */