xref: /netbsd-src/sys/arch/x68k/include/intr.h (revision e5548b402ae4c44fb816de42c7bba9581ce23ef5)
1 /*	$NetBSD: intr.h,v 1.10 2005/11/27 14:01:46 yamt 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 */
47 void	spl0(void);
48 
49 #define	splnone()	spl0()
50 #define	spllowersoftclock() spl1()	/* disallow softclock */
51 #define	splzs()		splraise5()	/* disallow serial interrupts */
52 
53 /* watch out for side effects */
54 #define splx(s)         ((s) & PSL_IPL ? _spl(s) : spl0())
55 
56 #define	IPL_NONE	0
57 #define	IPL_SOFTCLOCK	(PSL_S|PSL_IPL1)
58 #define	IPL_SOFTNET	(PSL_S|PSL_IPL1)
59 #define	IPL_BIO		(PSL_S|PSL_IPL3)
60 #define	IPL_NET		(PSL_S|PSL_IPL4)
61 #define	IPL_TTY		(PSL_S|PSL_IPL4)
62 #define	IPL_VM		(PSL_S|PSL_IPL4)
63 #define	IPL_CLOCK	(PSL_S|PSL_IPL6)
64 #define	IPL_STATCLOCK	(PSL_S|PSL_IPL6)
65 #define	IPL_SCHED	(PSL_S|PSL_IPL7)
66 #define	IPL_HIGH	(PSL_S|PSL_IPL7)
67 #define	IPL_LOCK	(PSL_S|PSL_IPL7)
68 
69 #define	splraiseipl(x)	_splraise(x)
70 
71 #include <sys/spl.h>
72 
73 /*
74  * simulated software interrupt register
75  */
76 extern unsigned char ssir;
77 
78 #define SIR_NET		0x1
79 #define SIR_CLOCK	0x2
80 #define SIR_SERIAL	0x4
81 #define SIR_KBD		0x8
82 
83 #define siroff(x)	ssir &= ~(x)
84 #define setsoftnet()	ssir |= SIR_NET
85 #define setsoftclock()	ssir |= SIR_CLOCK
86 #define setsoftserial() ssir |= SIR_SERIAL
87 #define setsoftkbd()    ssir |= SIR_KBD
88 
89 #endif /* _KERNEL && ! _LOCORE */
90 #endif
91