intr.c revision 1.2.4.2 1 1.2.4.2 matt /* $NetBSD: intr.c,v 1.2.4.2 2008/01/09 01:58:00 matt Exp $ */
2 1.2.4.2 matt
3 1.2.4.2 matt /*-
4 1.2.4.2 matt * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 1.2.4.2 matt * All rights reserved.
6 1.2.4.2 matt *
7 1.2.4.2 matt * This code is derived from software contributed to The NetBSD Foundation
8 1.2.4.2 matt * by Andrew Doran.
9 1.2.4.2 matt *
10 1.2.4.2 matt * Redistribution and use in source and binary forms, with or without
11 1.2.4.2 matt * modification, are permitted provided that the following conditions
12 1.2.4.2 matt * are met:
13 1.2.4.2 matt * 1. Redistributions of source code must retain the above copyright
14 1.2.4.2 matt * notice, this list of conditions and the following disclaimer.
15 1.2.4.2 matt * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.4.2 matt * notice, this list of conditions and the following disclaimer in the
17 1.2.4.2 matt * documentation and/or other materials provided with the distribution.
18 1.2.4.2 matt * 3. All advertising materials mentioning features or use of this software
19 1.2.4.2 matt * must display the following acknowledgement:
20 1.2.4.2 matt * This product includes software developed by the NetBSD
21 1.2.4.2 matt * Foundation, Inc. and its contributors.
22 1.2.4.2 matt * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2.4.2 matt * contributors may be used to endorse or promote products derived
24 1.2.4.2 matt * from this software without specific prior written permission.
25 1.2.4.2 matt *
26 1.2.4.2 matt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2.4.2 matt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2.4.2 matt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2.4.2 matt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2.4.2 matt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2.4.2 matt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2.4.2 matt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2.4.2 matt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2.4.2 matt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2.4.2 matt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2.4.2 matt * POSSIBILITY OF SUCH DAMAGE.
37 1.2.4.2 matt */
38 1.2.4.2 matt
39 1.2.4.2 matt #include <sys/param.h>
40 1.2.4.2 matt #include <sys/errno.h>
41 1.2.4.2 matt #include <sys/intr.h>
42 1.2.4.2 matt #include <sys/kmem.h>
43 1.2.4.2 matt #include <sys/cpu.h>
44 1.2.4.2 matt
45 1.2.4.2 matt #include "rump.h"
46 1.2.4.2 matt #include "rumpuser.h"
47 1.2.4.2 matt
48 1.2.4.2 matt struct v_dodgy {
49 1.2.4.2 matt void (*func)(void *);
50 1.2.4.2 matt void *arg;
51 1.2.4.2 matt };
52 1.2.4.2 matt
53 1.2.4.2 matt void *
54 1.2.4.2 matt softint_establish(u_int flags, void (*func)(void *), void *arg)
55 1.2.4.2 matt {
56 1.2.4.2 matt struct v_dodgy *vd;
57 1.2.4.2 matt
58 1.2.4.2 matt vd = kmem_alloc(sizeof(*vd), KM_SLEEP);
59 1.2.4.2 matt if (vd != NULL) {
60 1.2.4.2 matt vd->func = func;
61 1.2.4.2 matt vd->arg = arg;
62 1.2.4.2 matt }
63 1.2.4.2 matt return vd;
64 1.2.4.2 matt }
65 1.2.4.2 matt
66 1.2.4.2 matt void
67 1.2.4.2 matt softint_disestablish(void *arg)
68 1.2.4.2 matt {
69 1.2.4.2 matt
70 1.2.4.2 matt kmem_free(arg, sizeof(struct v_dodgy));
71 1.2.4.2 matt }
72 1.2.4.2 matt
73 1.2.4.2 matt void
74 1.2.4.2 matt softint_schedule(void *arg)
75 1.2.4.2 matt {
76 1.2.4.2 matt struct v_dodgy *vd;
77 1.2.4.2 matt
78 1.2.4.2 matt vd = arg;
79 1.2.4.2 matt (*(vd->func))(arg);
80 1.2.4.2 matt }
81 1.2.4.2 matt
82 1.2.4.2 matt bool
83 1.2.4.2 matt cpu_intr_p(void)
84 1.2.4.2 matt {
85 1.2.4.2 matt
86 1.2.4.2 matt return false;
87 1.2.4.2 matt }
88