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/powerpc/powerpc/autoconf.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
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    1 /*-
    2  * Copyright (c) 1998 Doug Rabson
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #ifndef lint
   28 static const char rcsid[] =
   29   "$FreeBSD: releng/5.0/sys/powerpc/powerpc/autoconf.c 103597 2002-09-19 04:28:45Z grehan $";
   30 #endif
   31 
   32 #include "opt_bootp.h"
   33 #include "opt_nfs.h"
   34 #include "opt_nfsroot.h"
   35 
   36 #include <sys/param.h>
   37 #include <sys/systm.h>
   38 #include <sys/bus.h>
   39 #include <sys/cons.h>
   40 #include <sys/kernel.h>
   41 
   42 static void     configure(void *);
   43 SYSINIT(configure, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL)
   44 #ifdef  NFS_ROOT
   45 SYSINIT(cpu_rootconf, SI_SUB_ROOT_CONF, SI_ORDER_FIRST, cpu_rootconf, NULL)
   46 
   47 #ifndef BOOTP_NFSROOT
   48 #error  "NFS_ROOT support not implemented for the non-BOOTP_NFSROOT case"
   49 #endif
   50 
   51 extern void     bootpc_init(void);
   52 
   53 void
   54 cpu_rootconf()
   55 {
   56 
   57         bootpc_init();
   58         rootdevnames[0] = "nfs:";
   59 }
   60 #endif
   61 
   62 /*
   63  * Determine i/o configuration for a machine.
   64  */
   65 static void
   66 configure(void *dummy)
   67 {
   68         device_add_child(root_bus, "nexus", 0);
   69 
   70         root_bus_configure();
   71 
   72         /*
   73          * Enable device interrupts
   74          */
   75         mtmsr(mfmsr() | PSL_EE | PSL_RI);
   76 
   77         cold = 0;
   78 }

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