1 /*-
2 * Copyright 2007 John Birrell <jb@FreeBSD.org>
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 */
26
27 #include <sys/param.h>
28 #include <sys/conf.h>
29 #include <sys/cpuvar.h>
30 #include <sys/errno.h>
31 #include <sys/jail.h>
32 #include <sys/kernel.h>
33 #include <sys/misc.h>
34 #include <sys/module.h>
35 #include <sys/mutex.h>
36
37 extern struct opensolaris_utsname utsname;
38
39 cpu_core_t cpu_core[MAXCPU];
40 kmutex_t cpu_lock;
41 solaris_cpu_t solaris_cpu[MAXCPU];
42 int nsec_per_tick;
43
44 /*
45 * OpenSolaris subsystem initialisation.
46 */
47 static void
opensolaris_load(void * dummy)48 opensolaris_load(void *dummy)
49 {
50 int i;
51
52 /*
53 * "Enable" all CPUs even though they may not exist just so
54 * that the asserts work. On FreeBSD, if a CPU exists, it is
55 * enabled.
56 */
57 for (i = 0; i < MAXCPU; i++) {
58 solaris_cpu[i].cpuid = i;
59 solaris_cpu[i].cpu_flags &= CPU_ENABLE;
60 }
61
62 mutex_init(&cpu_lock, "OpenSolaris CPU lock", MUTEX_DEFAULT, NULL);
63
64 nsec_per_tick = NANOSEC / hz;
65 }
66
67 SYSINIT(opensolaris_register, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_load, NULL);
68
69 static void
opensolaris_unload(void)70 opensolaris_unload(void)
71 {
72 mutex_destroy(&cpu_lock);
73 }
74
75 SYSUNINIT(opensolaris_unregister, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_unload, NULL);
76
77 static int
opensolaris_modevent(module_t mod __unused,int type,void * data __unused)78 opensolaris_modevent(module_t mod __unused, int type, void *data __unused)
79 {
80 int error = 0;
81
82 switch (type) {
83 case MOD_LOAD:
84 break;
85
86 case MOD_UNLOAD:
87 break;
88
89 case MOD_SHUTDOWN:
90 break;
91
92 default:
93 error = EOPNOTSUPP;
94 break;
95
96 }
97 return (error);
98 }
99
100 DEV_MODULE(opensolaris, opensolaris_modevent, NULL);
101 MODULE_VERSION(opensolaris, 1);
102