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 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 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 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