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 * $FreeBSD$ 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 #include <sys/param.h> 31 #include <sys/conf.h> 32 #include <sys/cpuvar.h> 33 #include <sys/errno.h> 34 #include <sys/jail.h> 35 #include <sys/kernel.h> 36 #include <sys/misc.h> 37 #include <sys/module.h> 38 #include <sys/mutex.h> 39 40 extern struct opensolaris_utsname utsname; 41 42 cpu_core_t cpu_core[MAXCPU]; 43 kmutex_t cpu_lock; 44 solaris_cpu_t solaris_cpu[MAXCPU]; 45 int nsec_per_tick; 46 47 /* 48 * OpenSolaris subsystem initialisation. 49 */ 50 static void 51 opensolaris_load(void *dummy) 52 { 53 int i; 54 55 /* 56 * "Enable" all CPUs even though they may not exist just so 57 * that the asserts work. On FreeBSD, if a CPU exists, it is 58 * enabled. 59 */ 60 for (i = 0; i < MAXCPU; i++) { 61 solaris_cpu[i].cpuid = i; 62 solaris_cpu[i].cpu_flags &= CPU_ENABLE; 63 } 64 65 mutex_init(&cpu_lock, "OpenSolaris CPU lock", MUTEX_DEFAULT, NULL); 66 67 nsec_per_tick = NANOSEC / hz; 68 } 69 70 SYSINIT(opensolaris_register, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_load, NULL); 71 72 static void 73 opensolaris_unload(void) 74 { 75 mutex_destroy(&cpu_lock); 76 } 77 78 SYSUNINIT(opensolaris_unregister, SI_SUB_OPENSOLARIS, SI_ORDER_FIRST, opensolaris_unload, NULL); 79 80 static int 81 opensolaris_modevent(module_t mod __unused, int type, void *data __unused) 82 { 83 int error = 0; 84 85 switch (type) { 86 case MOD_LOAD: 87 break; 88 89 case MOD_UNLOAD: 90 break; 91 92 case MOD_SHUTDOWN: 93 break; 94 95 default: 96 error = EOPNOTSUPP; 97 break; 98 99 } 100 return (error); 101 } 102 103 DEV_MODULE(opensolaris, opensolaris_modevent, NULL); 104 MODULE_VERSION(opensolaris, 1); 105