The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/mips/mips/autoconf.c

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    1 /*-
    2  * Copyright (c) 1990 The Regents of the University of California.
    3  * All rights reserved.
    4  *
    5  * This code is derived from software contributed to Berkeley by
    6  * William Jolitz.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  * 4. Neither the name of the University nor the names of its contributors
   17  *    may be used to endorse or promote products derived from this software
   18  *    without specific prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  *      from: @(#)autoconf.c    7.1 (Berkeley) 5/9/91
   33  */
   34 
   35 #include <sys/cdefs.h>
   36 __FBSDID("$FreeBSD: releng/9.0/sys/mips/mips/autoconf.c 206834 2010-04-19 07:34:26Z jmallett $");
   37 
   38 /*
   39  * Setup the system to run on the current machine.
   40  *
   41  * Configure() is called at boot time and initializes the vba
   42  * device tables and the memory controller monitoring.  Available
   43  * devices are determined (from possibilities mentioned in ioconf.c),
   44  * and the drivers are initialized.
   45  */
   46 #include "opt_bootp.h"
   47 #include "opt_bus.h"
   48 
   49 #include <sys/param.h>
   50 #include <sys/systm.h>
   51 #include <sys/bus.h>
   52 #include <sys/conf.h>
   53 #include <sys/reboot.h>
   54 #include <sys/kernel.h>
   55 #include <sys/malloc.h>
   56 #include <sys/mount.h>
   57 #include <sys/cons.h>
   58 
   59 #include <sys/socket.h>
   60 #include <net/if.h>
   61 #include <net/if_dl.h>
   62 #include <net/if_types.h>
   63 #include <net/if_var.h>
   64 #include <net/ethernet.h>
   65 #include <netinet/in.h>
   66 
   67 #include <machine/cpufunc.h>
   68 #include <machine/md_var.h>
   69 
   70 static void     configure_first(void *);
   71 static void     configure(void *);
   72 static void     configure_final(void *);
   73 
   74 SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
   75 /* SI_ORDER_SECOND is hookable */
   76 SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
   77 /* SI_ORDER_MIDDLE is hookable */
   78 SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
   79 
   80 /*
   81  * Determine i/o configuration for a machine.
   82  */
   83 static void
   84 configure_first(dummy)
   85         void *dummy;
   86 {
   87 
   88         /* nexus0 is the top of the mips device tree */
   89         device_add_child(root_bus, "nexus", 0);
   90 }
   91 
   92 static void
   93 configure(dummy)
   94         void *dummy;
   95 {
   96 
   97         /* initialize new bus architecture */
   98         root_bus_configure();
   99 }
  100 
  101 static void
  102 configure_final(dummy)
  103         void *dummy;
  104 {
  105         intr_enable();
  106 
  107         cninit_finish(); 
  108 
  109         if (bootverbose)
  110                 printf("Device configuration finished.\n");
  111 
  112         cold = 0;
  113 }

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