sys/arch/mvme68k/stand/sboot/sboot.c

   1 /*      $NetBSD: sboot.c,v 1.5 2005/12/24 22:45:36 perry Exp $  */
   2
   3 /*
   4  *
   5  * Copyright (c) 1995 Charles D. Cranor and Seth Widoff
   6  * All rights reserved.
   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  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Charles D. Cranor
  19  *      and Seth Widoff.
  20  * 4. The name of the author may not be used to endorse or promote products
  21  *    derived from this software without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  24  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  27  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  28  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  32  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 /*
  35  * main driver, plus machdep stuff
  36  */
  37
  38 #include "sboot.h"
  39
  40 void sboot(void);
  41
  42 extern char bootprog_rev[];
  43
  44 void
  45 sboot(void)
  46 {
  47         char buf[128], *ebuf;
  48
  49         buf[0] = '0';
  50         consinit();
  51         printf("\nsboot: serial line bootstrap program (&end = %p) [%s]\n\n",
  52             &end, bootprog_rev);
  53         if (reboot) {  /* global flag from AAstart.s */
  54                 reboot = 0;
  55                 printf("[rebooting...]\n");
  56                 buf[0] = 'b';
  57                 buf[1] = 0;
  58                 do_cmd(buf, &buf[1]);
  59         }
  60         for (;;) {
  61                 printf(">>> ");
  62                 ebuf = ngets(buf, sizeof(buf));
  63                 do_cmd(buf, ebuf);
  64         }
  65         /* not reached */
  66 }
  67
  68 /*
  69  * exit to rom
  70  */
  71
  72 void
  73 callrom(void)
  74 {
  75
  76         __asm("trap #15; .word 0x0063");
  77 }
  78
  79 /*
  80  * do_cmd: do a command
  81  */
  82
  83 void
  84 do_cmd(char *buf, char *ebuf)
  85 {
  86
  87         switch (*buf) {
  88         case '\0':
  89                 return;
  90         case 'a':
  91                 if (rev_arp()) {
  92                         printf("My ip address is: %d.%d.%d.%d\n",
  93                             myip[0], myip[1], myip[2], myip[3]);
  94                         printf("Server ip address is: %d.%d.%d.%d\n",
  95                             servip[0], servip[1], servip[2], servip[3]);
  96                 } else  {
  97                         printf("Failed.\n");
  98                 }
  99                 return;
 100         case 'e':
 101                 printf("exiting to ROM\n");
 102                 callrom();
 103                 return;
 104         case 'f':
 105                 if (do_get_file() == 1) {
 106                         printf("Download Failed\n");
 107                 } else {
 108                         printf("Download was a success!\n");
 109                 }
 110                 return;
 111         case 'b':
 112                 le_init();
 113                 if (rev_arp()) {
 114                         printf("My ip address is: %d.%d.%d.%d\n",
 115                             myip[0], myip[1], myip[2], myip[3]);
 116                         printf("Server ip address is: %d.%d.%d.%d\n",
 117                             servip[0], servip[1], servip[2], servip[3]);
 118                 } else  {
 119                         printf("REVARP: Failed.\n");
 120                         return;
 121                 }
 122                 if (do_get_file() == 1) {
 123                         printf("Download Failed\n");
 124                         return;
 125                 } else {
 126                         printf("Download was a success!\n");
 127                 }
 128                 /*FALLTHROUGH*/
 129         case 'g':
 130                 printf("Start @ 0x%x ... \n", LOAD_ADDR);
 131                 go(LOAD_ADDR, buf+1, ebuf);
 132                 return;
 133         case 'h':
 134         case '?':
 135                 printf("valid commands\n");
 136                 printf("a - send a RARP\n");
 137                 printf("b - boot the system\n");
 138                 printf("e - exit to ROM\n");
 139                 printf("f - ftp the boot file\n");
 140                 printf("g - execute the boot file\n");
 141                 printf("h - help\n");
 142                 printf("i - init LANCE enet chip\n");
 143                 return;
 144         case 'i':
 145                 le_init();
 146                 return;
 147         default:
 148                 printf("sboot: %s: Unknown command\n", buf);
 149         }
 150 }