NetBSD/sys/arch/x68k/include/intr.h

86 lines
3.6 KiB
C

/* $NetBSD: intr.h,v 1.6 2000/08/22 19:46:32 thorpej Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Minoura Makoto and Jason R. Thorpe.
*
* 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 NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _X68K_INTR_H_
#define _X68K_INTR_H_
#include <machine/psl.h>
#if defined(_KERNEL) && !defined(_LOCORE)
/* spl0 requires checking for software interrupts */
void spl0 __P((void));
#define splnone() spl0()
#define spllowersoftclock() spl1() /* disallow softclock */
#define splsoftclock() splraise1() /* disallow softclock */
#define splsoftnet() splraise1() /* disallow softnet */
#define splnet() _splraise(PSL_S|PSL_IPL4) /* disallow network */
#define splbio() _splraise(PSL_S|PSL_IPL3) /* disallow block I/O */
#define splimp() _splraise(PSL_S|PSL_IPL4) /* disallow imput */
#define spltty() _splraise(PSL_S|PSL_IPL4) /* disallow tty interrupts */
#define splzs() splraise5() /* disallow serial interrupts */
#define splclock() splraise6() /* disallow clock interrupt */
#define splstatclock() splraise6() /* disallow clock interrupt */
#define splvm() _splraise(PSL_S|PSL_IPL4) /* disallow virtual memory operations */
#define splhigh() spl7() /* disallow everything */
#define splsched() spl7() /* disallow scheduling */
#define spllock() spl7() /* disallow scheduling */
/* watch out for side effects */
#define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0())
/*
* simulated software interrupt register
*/
extern unsigned char ssir;
#define SIR_NET 0x1
#define SIR_CLOCK 0x2
#define SIR_SERIAL 0x4
#define SIR_KBD 0x8
#define siroff(x) ssir &= ~(x)
#define setsoftnet() ssir |= SIR_NET
#define setsoftclock() ssir |= SIR_CLOCK
#define setsoftserial() ssir |= SIR_SERIAL
#define setsoftkbd() ssir |= SIR_KBD
#endif /* _KERNEL && ! _LOCORE */
#endif