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/* $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))
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