xref: /netbsd-src/sys/arch/sun68k/include/intr.h (revision c60cfbdc3c5eb32d910bf0edbc605a096e49617b)
1 /*	$NetBSD: intr.h,v 1.26 2024/01/19 03:09:05 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 2024 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _SUN68K_INTR_H_
33 #define _SUN68K_INTR_H_
34 
35 #ifdef _KERNEL
36 
37 #include <m68k/psl.h>
38 
39 #define	MACHINE_PSL_IPL_SOFTCLOCK	PSL_IPL1
40 #define	MACHINE_PSL_IPL_SOFTBIO		PSL_IPL1
41 #define	MACHINE_PSL_IPL_SOFTNET		PSL_IPL1
42 #define	MACHINE_PSL_IPL_SOFTSERIAL	PSL_IPL3
43 #define	MACHINE_PSL_IPL_VM		PSL_IPL4
44 #define	MACHINE_PSL_IPL_SCHED		PSL_IPL7
45 
46 #define	MACHINE_INTREVCNT_NAMES						\
47 	{ "spur", "lev1", "lev2", "lev3", "lev4", "clock", "lev6", "nmi" }
48 
49 /* Zilog Serial hardware interrupts (hard-wired at 6) */
50 #define splzs()		splserial()	/* aliased to splhigh() */
51 #define	IPL_ZS		IPL_SERIAL
52 
53 #define _IPL_SOFT_LEVEL1	1
54 #define _IPL_SOFT_LEVEL2	2
55 #define _IPL_SOFT_LEVEL3	3
56 #define _IPL_SOFT_LEVEL_MIN	1
57 #define _IPL_SOFT_LEVEL_MAX	3
58 
59 #endif /* _KERNEL */
60 
61 #include <m68k/intr.h>
62 
63 #ifdef _KERNEL
64 
65 /*
66  * Aliases for the legacy sun68k ISR routines.
67  */
68 
69 typedef int (*isr_func_t)(void *);
70 
71 static inline void
isr_add_autovect(isr_func_t func,void * arg,int ipl)72 isr_add_autovect(isr_func_t func, void *arg, int ipl)
73 {
74 	/* XXX leaks interrupt handle. */
75 	m68k_intr_establish(func, arg, (void *)0, 0, ipl, 0, 0);
76 }
77 
78 static inline void
isr_add_vectored(isr_func_t func,void * arg,int ipl,int vec)79 isr_add_vectored(isr_func_t func, void *arg, int ipl, int vec)
80 {
81 	/* XXX leaks interrupt handle. */
82 	m68k_intr_establish(func, arg, (void *)0, vec, ipl, 0, 0);
83 }
84 
85 /* This returns true iff the spl given is spl0. */
86 #define	is_spl0(s)	(((s) & PSL_IPL7) == 0)
87 
88 #endif /* _KERNEL */
89 
90 #endif	/* _SUN68K_INTR_H */
91