intr.h revision 1.15 
1/*	$NetBSD: intr.h,v 1.15 2007/03/11 05:22:26 thorpej Exp $	*/
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Minoura Makoto and Jason R. Thorpe.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#ifndef _X68K_INTR_H_
40#define	_X68K_INTR_H_
41
42#include <machine/psl.h>
43
44#if defined(_KERNEL) && !defined(_LOCORE)
45
46/* spl0 requires checking for software interrupts */
47void	spl0(void);
48
49#define splsoft()	splraise1()
50#define splsoftclock()	splsoft()
51#define splsoftnet()	splsoft()
52#define splsoftserial()	splsoft()
53#define splbio()	splraise3()
54#define splnet()        splraise4()
55#define spltty()        splraise4()
56#define splvm()         splraise4()
57#define splserial()     splraise5()
58#define splclock()      splraise6()
59#define splstatclock()  splclock()
60#define splhigh()       spl7()
61#define splsched()      spl7()
62#define spllock()       spl7()
63
64#define	splnone()	spl0()
65#define	splzs()		splraise5()	/* disallow serial interrupts */
66
67/* watch out for side effects */
68#define splx(s)         ((s) & PSL_IPL ? _spl(s) : spl0())
69
70#define	IPL_NONE	0
71#define	IPL_SOFTCLOCK	1
72#define	IPL_SOFTNET	2
73#define	IPL_SOFTSERIAL	3
74#define	IPL_SOFT	4
75#define	IPL_BIO		5
76#define	IPL_NET		6
77#define	IPL_TTY		7
78#define	IPL_VM		8
79#define	IPL_SERIAL	9
80#define	IPL_CLOCK	10
81#define	IPL_STATCLOCK	IPL_CLOCK
82#define	IPL_HIGH	11
83#define	IPL_SCHED	IPL_HIGH
84#define	IPL_LOCK	IPL_HIGH
85#define	NIPL		12
86
87typedef int ipl_t;
88typedef struct {
89	uint16_t _psl;
90} ipl_cookie_t;
91
92ipl_cookie_t makeiplcookie(ipl_t);
93
94static inline int
95splraiseipl(ipl_cookie_t icookie)
96{
97
98	return _splraise(icookie._psl);
99}
100
101#include <m68k/softintr.h>
102
103#endif /* _KERNEL && ! _LOCORE */
104
105#endif /* !_X68K_INTR_H_ */
106