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