sys/arch/mvme68k/stand/netboot/boot.c

   1 /*      $NetBSD: boot.c,v 1.15 2005/12/11 12:18:19 christos Exp $ */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)boot.c      8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #include <sys/param.h>
  35 #include <sys/reboot.h>
  36 #include <machine/prom.h>
  37
  38 #include <lib/libkern/libkern.h>
  39
  40 #include <lib/libsa/stand.h>
  41 #include "libsa.h"
  42 #include "config.h"
  43
  44 int main(void);
  45
  46 extern  char bootprog_name[], bootprog_rev[];
  47 char    line[80];
  48
  49 int
  50 main(void)
  51 {
  52         char *cp, *file;
  53         int ask = 0, howto, part, sboot = 0;
  54
  55         printf(">> %s MVME%x netboot (via %s) [%s]\n",
  56             bootprog_name, bugargs.cputyp, bugargs.arg_start, bootprog_rev);
  57         if (memcmp("sboot", bugargs.arg_start, 5) == 0)
  58                 sboot = 1;
  59         /* cycle in the correct args */
  60         bugargs.arg_start = bugargs.nbarg_start;
  61         bugargs.arg_end   = bugargs.nbarg_end;
  62         *bugargs.arg_end = 0; /* ensure */
  63
  64         parse_args(&file, &howto, &part);
  65
  66         for (;;) {
  67                 if (ask) {
  68                         printf("boot: ");
  69                         gets(line);
  70                         if (line[0]) {
  71                                 bugargs.arg_start = line;
  72                                 cp = line;
  73                                 while (cp < (line + sizeof(line) - 1) && *cp)
  74                                         cp++;
  75                                 bugargs.arg_end = cp;
  76                                 parse_args(&file, &howto, &part);
  77                         }
  78                 }
  79                 if (sboot)
  80                         howto |= RB_SBOOT;
  81                 exec_mvme(file, howto, part);
  82                 printf("boot: %s: %s\n", file, strerror(errno));
  83                 ask = 1;
  84         }
  85 }
  86
  87 /*
  88  * machdep_common_ether: get ethernet address
  89  */
  90 void
  91 machdep_common_ether(u_char *ether)
  92 {
  93         u_char *ea;
  94
  95         if (bugargs.cputyp == CPU_147) {
  96                 ea = (u_char *) ETHER_ADDR_147;
  97
  98                 if ((*(int *)ea & 0x2fffff00) == 0x2fffff00)
  99                         panic("ERROR: ethernet address not set!");
 100                 ether[0] = 0x08;
 101                 ether[1] = 0x00;
 102                 ether[2] = 0x3e;
 103                 ether[3] = ea[0];
 104                 ether[4] = ea[1];
 105                 ether[5] = ea[2];
 106         } else {
 107                 ea = (u_char *)ETHER_ADDR_16X;
 108
 109                 if (ea[0] + ea[1] + ea[2] + ea[3] + ea[4] + ea[5] == 0)
 110                         panic("ERROR: ethernet address not set!");
 111                 ether[0] = ea[0];
 112                 ether[1] = ea[1];
 113                 ether[2] = ea[2];
 114                 ether[3] = ea[3];
 115                 ether[4] = ea[4];
 116                 ether[5] = ea[5];
 117         }
 118 }