1 /*        $NetBSD: compat_60_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 #if defined(_KERNEL_OPT)
37 #include "opt_compat_netbsd.h"
38 #endif
39 
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: compat_60_mod.c,v 1.2 2019/01/27 02:08:39 pgoyette Exp $");
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 #include <compat/sys/ccdvar.h>
54 #include <compat/sys/cpuio.h>
55 
56 int
compat_60_init(void)57 compat_60_init(void)
58 {
59           int error = 0;
60 
61           error = kern_time_60_init();
62           if (error != 0)
63                     return error;
64 
65           error = kern_sa_60_init();
66           if (error != 0) {
67                     kern_time_60_fini();
68                     return 0;
69           }
70 
71           kern_tty_60_init();
72           ccd_60_init();
73 #ifdef CPU_UCODE
74           kern_cpu_60_init();
75 #endif
76 
77           return error;
78 }
79 
80 int
compat_60_fini(void)81 compat_60_fini(void)
82 {
83           int error = 0;
84 
85 #ifdef CPU_UCODE
86           kern_cpu_60_fini();
87 #endif
88           ccd_60_fini();
89           kern_tty_60_fini();
90 
91 
92           error = kern_sa_60_fini();
93           if (error != 0) {
94                     kern_tty_60_init();
95                     ccd_60_init();
96 #ifdef CPU_UCODE
97                     kern_cpu_60_init();
98 #endif
99                     return error;
100           }
101 
102           error = kern_time_60_fini();
103           if (error != 0) {
104                     kern_sa_60_init();
105                     kern_tty_60_init();
106                     ccd_60_init();
107 #ifdef CPU_UCODE
108                     kern_cpu_60_init();
109 #endif
110                     return error;
111           }
112 
113           return error;
114 }
115 
116 MODULE(MODULE_CLASS_EXEC, compat_60, "compat_70");
117 
118 static int
compat_60_modcmd(modcmd_t cmd,void * arg)119 compat_60_modcmd(modcmd_t cmd, void *arg)
120 {
121 
122           switch (cmd) {
123           case MODULE_CMD_INIT:
124                     return compat_60_init();
125           case MODULE_CMD_FINI:
126                     return compat_60_fini();
127           default:
128                     return ENOTTY;
129           }
130 }
131