1 /* $NetBSD: netbsd32_compat_60.c,v 1.6 2020/01/29 15:47:52 ad Exp $ */
2
3 /*-
4 * Copyright (c) 2008, 2020 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
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 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_60.c,v 1.6 2020/01/29 15:47:52 ad Exp $");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/module.h>
37 #include <sys/time.h>
38 #include <sys/dirent.h>
39 #include <sys/lwp.h>
40 #include <sys/syscallargs.h>
41 #include <sys/syscallvar.h>
42
43 #include <compat/netbsd32/netbsd32.h>
44 #include <compat/netbsd32/netbsd32_syscall.h>
45 #include <compat/netbsd32/netbsd32_syscallargs.h>
46 #include <compat/netbsd32/netbsd32_conv.h>
47
48 int
compat_60_netbsd32__lwp_park(struct lwp * l,const struct compat_60_netbsd32__lwp_park_args * uap,register_t * retval)49 compat_60_netbsd32__lwp_park(struct lwp *l,
50 const struct compat_60_netbsd32__lwp_park_args *uap, register_t *retval)
51 {
52 /* {
53 syscallarg(const netbsd32_timespecp) ts;
54 syscallarg(lwpid_t) unpark;
55 syscallarg(netbsd32_voidp) hint;
56 syscallarg(netbsd32_voidp) unparkhint;
57 } */
58 struct timespec ts, *tsp;
59 struct netbsd32_timespec ts32;
60 int error;
61
62 if (SCARG_P32(uap, ts) == NULL)
63 tsp = NULL;
64 else {
65 error = copyin(SCARG_P32(uap, ts), &ts32, sizeof ts32);
66 if (error != 0)
67 return error;
68 netbsd32_to_timespec(&ts32, &ts);
69 tsp = &ts;
70 }
71
72 if (SCARG(uap, unpark) != 0) {
73 error = lwp_unpark(&SCARG(uap, unpark), 1);
74 if (error != 0)
75 return error;
76 }
77
78 return lwp_park(CLOCK_REALTIME, TIMER_ABSTIME, tsp);
79 }
80
81 static struct syscall_package compat_netbsd32_60_syscalls[] = {
82 { NETBSD32_SYS_compat_60_netbsd32__lwp_park, 0,
83 (sy_call_t *)compat_60_netbsd32__lwp_park },
84 { 0, 0, NULL }
85 };
86
87
88 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_60, "compat_netbsd32_80,compat_60");
89
90 static int
compat_netbsd32_60_modcmd(modcmd_t cmd,void * arg)91 compat_netbsd32_60_modcmd(modcmd_t cmd, void *arg)
92 {
93
94 switch (cmd) {
95 case MODULE_CMD_INIT:
96 return syscall_establish(&emul_netbsd32,
97 compat_netbsd32_60_syscalls);
98
99 case MODULE_CMD_FINI:
100 return syscall_disestablish(&emul_netbsd32,
101 compat_netbsd32_60_syscalls);
102
103 default:
104 return ENOTTY;
105 }
106 }
107