/*      $OpenBSD: psl.h,v 1.1 1997/02/06 16:02:43 pefo Exp $	*/

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: @(#)psl.h	8.1 (Berkeley) 6/10/93
 */

#include <machine/cpu.h>

#define	PSL_LOWIPL	(INT_MASK | SR_INT_ENAB)

#define R3K_PSL_USERSET ( SR_KU_OLD	| SR_INT_ENA_OLD  |  \
			  SR_KU_PREV	| SR_INT_ENA_PREV |  \
			  INT_MASK)

#define	R4K_PSL_USERSET ( SR_KSU_USER |	 SR_INT_ENAB |	\
			  SR_EXL      |	 INT_MASK)

/*
 * Macros to decode processor status word.
 */
#define	R3K_USERMODE(ps) ((ps) & SR_KU_PREV)
#define R3K_BASEPRI(ps)	 (((ps) & (INT_MASK | SR_INT_ENA_PREV)) \
				== (INT_MASK | SR_INT_ENA_PREV))

#define	R4K_USERMODE(ps) (((ps) & SR_KSU_MASK) == SR_KSU_USER)
#define	R4K_BASEPRI(ps)	 (((ps) & (INT_MASK | SR_INT_ENA_PREV)) \
				== (INT_MASK | SR_INT_ENA_PREV))