1 /* $NetBSD: isr.h,v 1.13 2024/01/16 01:26:34 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 _MVME68K_ISR_H_
33 #define _MVME68K_ISR_H_
34
35 #include <sys/intr.h>
36
37 /*
38 * Aliases for the legacy mvme68k ISR routines.
39 */
40
41 static inline void
isrinit(void)42 isrinit(void)
43 {
44 extern int nmihand(void *);
45
46 m68k_intr_init(NULL);
47 m68k_intr_establish(nmihand, NULL, NULL, 0, 7, 0, 0);
48 }
49
50 static inline void
isrlink_autovec(int (* func)(void *),void * arg,int ipl,int isrpri,struct evcnt * ev)51 isrlink_autovec(int (*func)(void *), void *arg, int ipl, int isrpri,
52 struct evcnt *ev)
53 {
54 /* XXX leaks interrupt handle. */
55 m68k_intr_establish(func, arg, ev, 0, ipl, isrpri, 0);
56 }
57
58 static inline void
isrlink_vectored(int (* func)(void *),void * arg,int ipl,int vec,struct evcnt * ev)59 isrlink_vectored(int (*func)(void *), void *arg, int ipl, int vec,
60 struct evcnt *ev)
61 {
62 /* XXX leaks interrupt handle. */
63 m68k_intr_establish(func, arg, ev, vec, ipl, 0, 0);
64 }
65
66 static inline struct evcnt *
isrlink_evcnt(int ipl)67 isrlink_evcnt(int ipl)
68 {
69 KASSERT(ipl >= 0 && ipl <= 7);
70 return &m68k_intr_evcnt[ipl];
71 }
72
73 static inline void
isrunlink_vectored(int vec)74 isrunlink_vectored(int vec)
75 {
76 /* XXX isrlink_vectored() should return a handle. */
77 void *ih = m68k_intrvec_intrhand(vec);
78 if (ih != NULL) {
79 m68k_intr_disestablish(ih);
80 }
81 }
82
83 #endif /* _MVME68K_ISR_H_ */
84