NetBSD/sys/arch/atari/include/intr.h
thorpej d85a75f583 Make sure everybody has an splvm() and equate it with splimp() (splimp()
is the historical name for this interrupt level, and the historical name
is going to go away in the near future).
2001-01-14 02:00:37 +00:00

86 lines
3.3 KiB
C

/* $NetBSD: intr.h,v 1.10 2001/01/14 02:00:39 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 splvm() _splraise(PSL_S|PSL_IPL4)
#define spllpt() spltty()
#define splclock() splraise6()
#define splstatclock() 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_ */