intr.c revision 1.2.6.2 1 1.2.6.2 yamt /* $NetBSD: intr.c,v 1.2.6.2 2008/01/21 09:47:43 yamt Exp $ */
2 1.2.6.2 yamt
3 1.2.6.2 yamt /*-
4 1.2.6.2 yamt * Copyright (c) 2007 The NetBSD Foundation, Inc.
5 1.2.6.2 yamt * All rights reserved.
6 1.2.6.2 yamt *
7 1.2.6.2 yamt * This code is derived from software contributed to The NetBSD Foundation
8 1.2.6.2 yamt * by Andrew Doran.
9 1.2.6.2 yamt *
10 1.2.6.2 yamt * Redistribution and use in source and binary forms, with or without
11 1.2.6.2 yamt * modification, are permitted provided that the following conditions
12 1.2.6.2 yamt * are met:
13 1.2.6.2 yamt * 1. Redistributions of source code must retain the above copyright
14 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer.
15 1.2.6.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.6.2 yamt * notice, this list of conditions and the following disclaimer in the
17 1.2.6.2 yamt * documentation and/or other materials provided with the distribution.
18 1.2.6.2 yamt * 3. All advertising materials mentioning features or use of this software
19 1.2.6.2 yamt * must display the following acknowledgement:
20 1.2.6.2 yamt * This product includes software developed by the NetBSD
21 1.2.6.2 yamt * Foundation, Inc. and its contributors.
22 1.2.6.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.2.6.2 yamt * contributors may be used to endorse or promote products derived
24 1.2.6.2 yamt * from this software without specific prior written permission.
25 1.2.6.2 yamt *
26 1.2.6.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.2.6.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.2.6.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.2.6.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.2.6.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.2.6.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.2.6.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.2.6.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.2.6.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.2.6.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.2.6.2 yamt * POSSIBILITY OF SUCH DAMAGE.
37 1.2.6.2 yamt */
38 1.2.6.2 yamt
39 1.2.6.2 yamt #include <sys/param.h>
40 1.2.6.2 yamt #include <sys/errno.h>
41 1.2.6.2 yamt #include <sys/intr.h>
42 1.2.6.2 yamt #include <sys/kmem.h>
43 1.2.6.2 yamt #include <sys/cpu.h>
44 1.2.6.2 yamt
45 1.2.6.2 yamt #include "rump.h"
46 1.2.6.2 yamt #include "rumpuser.h"
47 1.2.6.2 yamt
48 1.2.6.2 yamt struct v_dodgy {
49 1.2.6.2 yamt void (*func)(void *);
50 1.2.6.2 yamt void *arg;
51 1.2.6.2 yamt };
52 1.2.6.2 yamt
53 1.2.6.2 yamt void *
54 1.2.6.2 yamt softint_establish(u_int flags, void (*func)(void *), void *arg)
55 1.2.6.2 yamt {
56 1.2.6.2 yamt struct v_dodgy *vd;
57 1.2.6.2 yamt
58 1.2.6.2 yamt vd = kmem_alloc(sizeof(*vd), KM_SLEEP);
59 1.2.6.2 yamt if (vd != NULL) {
60 1.2.6.2 yamt vd->func = func;
61 1.2.6.2 yamt vd->arg = arg;
62 1.2.6.2 yamt }
63 1.2.6.2 yamt return vd;
64 1.2.6.2 yamt }
65 1.2.6.2 yamt
66 1.2.6.2 yamt void
67 1.2.6.2 yamt softint_disestablish(void *arg)
68 1.2.6.2 yamt {
69 1.2.6.2 yamt
70 1.2.6.2 yamt kmem_free(arg, sizeof(struct v_dodgy));
71 1.2.6.2 yamt }
72 1.2.6.2 yamt
73 1.2.6.2 yamt void
74 1.2.6.2 yamt softint_schedule(void *arg)
75 1.2.6.2 yamt {
76 1.2.6.2 yamt struct v_dodgy *vd;
77 1.2.6.2 yamt
78 1.2.6.2 yamt vd = arg;
79 1.2.6.2 yamt (*(vd->func))(arg);
80 1.2.6.2 yamt }
81 1.2.6.2 yamt
82 1.2.6.2 yamt bool
83 1.2.6.2 yamt cpu_intr_p(void)
84 1.2.6.2 yamt {
85 1.2.6.2 yamt
86 1.2.6.2 yamt return false;
87 1.2.6.2 yamt }
88