opensolaris.c

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    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);

Cache object: 43e085b22238ae2a17ba946dc8de76df

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FreeBSD/Linux Kernel Cross Reference sys/cddl/compat/opensolaris/kern/opensolaris.c

FreeBSD/Linux Kernel Cross Reference
sys/cddl/compat/opensolaris/kern/opensolaris.c