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

86 lines
3.3 KiB
C

/* $NetBSD: intr.h,v 1.9 2000/08/22 19:46:28 thorpej Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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 _ATARI_INTR_H_
#define _ATARI_INTR_H_
#define IPL_NONE 0 /* disable no interrupts */
#define IPL_BIO (PSL_S|PSL_IPL3) /* disable block I/O interrupts */
#define IPL_NET (PSL_S|PSL_IPL3) /* disable network interrupts */
#define IPL_TTY (PSL_S|PSL_IPL4) /* disable terminal interrupts */
#define IPL_CLOCK (PSL_S|PSL_IPL6) /* disable clock interrupts */
#define IPL_HIGH (PSL_S|PSL_IPL7) /* disable all interrupts */
#define IST_UNUSABLE -1 /* interrupt cannot be used */
#define IST_NONE 0 /* none (dummy) */
#define IST_PULSE 1 /* pulsed */
#define IST_EDGE 2 /* edge-triggered */
#define IST_LEVEL 3 /* level-triggered */
/*
* spl functions; all but spl0 are done in-line
*/
#include <machine/psl.h>
/* spl0 requires checking for software interrupts */
#define splnone() spl0()
#define spllowersoftclock() spl1()
#define splsoftclock() splraise1()
#define splsoftnet() splraise1()
#define splbio() _splraise(PSL_S|PSL_IPL3)
#define splnet() _splraise(PSL_S|PSL_IPL3)
#define spltty() _splraise(PSL_S|PSL_IPL4)
#define splimp() _splraise(PSL_S|PSL_IPL4)
#define spllpt() spltty()
#define splclock() splraise6()
#define splstatclock() splraise6()
#define splvm() splraise6()
#define splhigh() spl7()
#define splsched() spl7()
#define spllock() spl7()
#define splx(s) ((s) & PSL_IPL ? _spl(s) : spl0())
#ifdef _KERNEL
int spl0 __P((void));
#endif /* _KERNEL */
#endif /* _ATARI_INTR_H_ */