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  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (c) 1990 The Regents of the University of California.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to Berkeley by
    8  * William Jolitz.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  * 3. Neither the name of the University nor the names of its contributors
   19  *    may be used to endorse or promote products derived from this software
   20  *    without specific prior written permission.
   21  *
   22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   32  * SUCH DAMAGE.
   33  *
   34  *      from: @(#)autoconf.c    7.1 (Berkeley) 5/9/91
   35  */
   36 
   37 #include <sys/cdefs.h>
   38 __FBSDID("$FreeBSD: stable/12/sys/mips/mips/autoconf.c 326023 2017-11-20 19:43:44Z pfg $");
   39 
   40 /*
   41  * Setup the system to run on the current machine.
   42  *
   43  * Configure() is called at boot time and initializes the vba
   44  * device tables and the memory controller monitoring.  Available
   45  * devices are determined (from possibilities mentioned in ioconf.c),
   46  * and the drivers are initialized.
   47  */
   48 #include "opt_bootp.h"
   49 #include "opt_bus.h"
   50 
   51 #include <sys/param.h>
   52 #include <sys/systm.h>
   53 #include <sys/bus.h>
   54 #include <sys/conf.h>
   55 #include <sys/reboot.h>
   56 #include <sys/kernel.h>
   57 #include <sys/malloc.h>
   58 #include <sys/mount.h>
   59 #include <sys/cons.h>
   60 
   61 #include <sys/socket.h>
   62 #include <net/if.h>
   63 #include <net/if_dl.h>
   64 #include <net/if_types.h>
   65 #include <net/if_var.h>
   66 #include <net/ethernet.h>
   67 #include <netinet/in.h>
   68 
   69 #include <machine/cpufunc.h>
   70 #include <machine/md_var.h>
   71 
   72 static void     configure_first(void *);
   73 static void     configure(void *);
   74 static void     configure_final(void *);
   75 
   76 SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
   77 /* SI_ORDER_SECOND is hookable */
   78 SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
   79 /* SI_ORDER_MIDDLE is hookable */
   80 SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
   81 
   82 /*
   83  * Determine i/o configuration for a machine.
   84  */
   85 static void
   86 configure_first(dummy)
   87         void *dummy;
   88 {
   89 
   90         /* nexus0 is the top of the mips device tree */
   91         device_add_child(root_bus, "nexus", 0);
   92 }
   93 
   94 static void
   95 configure(dummy)
   96         void *dummy;
   97 {
   98 
   99         /* initialize new bus architecture */
  100         root_bus_configure();
  101 }
  102 
  103 static void
  104 configure_final(dummy)
  105         void *dummy;
  106 {
  107         intr_enable();
  108 
  109         cninit_finish(); 
  110 
  111         if (bootverbose)
  112                 printf("Device configuration finished.\n");
  113 
  114         cold = 0;
  115 }

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