1 /* $NetBSD: compat_12_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2018 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for The NetBSD Foundation
8 * by Paul Goyette
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 /*
33 * Linkage for the compat module: spaghetti.
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: compat_12_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $");
38
39 #if defined(_KERNEL_OPT)
40 #include "opt_compat_netbsd.h"
41 #endif
42
43 #include <sys/systm.h>
44 #include <sys/module.h>
45 #include <sys/sysctl.h>
46 #include <sys/syscall.h>
47 #include <sys/syscallvar.h>
48 #include <sys/syscallargs.h>
49
50 #include <compat/common/compat_util.h>
51 #include <compat/common/compat_mod.h>
52
53 int
compat_12_init(void)54 compat_12_init(void)
55 {
56 int error;
57
58 error = kern_xxx_12_init();
59 if (error != 0)
60 return error;
61
62 error = vm_12_init();
63 if (error != 0) {
64 kern_xxx_12_fini();
65 return error;
66 }
67
68 error = vfs_syscalls_12_init();
69 if (error != 0) {
70 vm_12_fini();
71 kern_xxx_12_fini();
72 return error;
73 }
74
75 return 0;
76 }
77
78 int
compat_12_fini(void)79 compat_12_fini(void)
80 {
81 int error;
82
83 error = vfs_syscalls_12_fini();
84 if (error != 0)
85 return error;
86
87 error = vm_12_fini();
88 if (error != 0) {
89 vfs_syscalls_12_init();
90 return error;
91 }
92
93 error = kern_xxx_12_fini();
94 if (error != 0) {
95 vm_12_init();
96 vfs_syscalls_12_init();
97 return error;
98 }
99
100 return 0;
101 }
102
103 MODULE(MODULE_CLASS_EXEC, compat_12, "compat_13");
104
105 static int
compat_12_modcmd(modcmd_t cmd,void * arg)106 compat_12_modcmd(modcmd_t cmd, void *arg)
107 {
108
109 switch (cmd) {
110 case MODULE_CMD_INIT:
111 return compat_12_init();
112 case MODULE_CMD_FINI:
113 return compat_12_fini();
114 default:
115 return ENOTTY;
116 }
117 }
118