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144 lines
3.4 KiB
C
144 lines
3.4 KiB
C
/* $NetBSD: sboot.c,v 1.7 2011/02/02 17:53:41 chuck Exp $ */
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/*
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* Copyright (c) 1995 Charles D. Cranor and Seth Widoff
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* main driver, plus machdep stuff
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*/
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#include "sboot.h"
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void sboot(void);
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extern char bootprog_rev[];
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void
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sboot(void)
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{
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char buf[128], *ebuf;
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buf[0] = '0';
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consinit();
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printf("\nsboot: serial line bootstrap program (&end = %p) [%s]\n\n",
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&end, bootprog_rev);
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if (reboot) { /* global flag from AAstart.s */
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reboot = 0;
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printf("[rebooting...]\n");
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buf[0] = 'b';
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buf[1] = 0;
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do_cmd(buf, &buf[1]);
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}
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for (;;) {
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printf(">>> ");
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ebuf = ngets(buf, sizeof(buf));
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do_cmd(buf, ebuf);
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}
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/* not reached */
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}
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/*
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* exit to rom
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*/
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void
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callrom(void)
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{
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__asm("trap #15; .word 0x0063");
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}
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/*
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* do_cmd: do a command
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*/
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void
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do_cmd(char *buf, char *ebuf)
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{
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switch (*buf) {
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case '\0':
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return;
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case 'a':
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if (rev_arp()) {
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printf("My ip address is: %d.%d.%d.%d\n",
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myip[0], myip[1], myip[2], myip[3]);
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printf("Server ip address is: %d.%d.%d.%d\n",
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servip[0], servip[1], servip[2], servip[3]);
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} else {
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printf("Failed.\n");
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}
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return;
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case 'e':
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printf("exiting to ROM\n");
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callrom();
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return;
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case 'f':
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if (do_get_file() == 1) {
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printf("Download Failed\n");
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} else {
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printf("Download was a success!\n");
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}
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return;
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case 'b':
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le_init();
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if (rev_arp()) {
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printf("My ip address is: %d.%d.%d.%d\n",
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myip[0], myip[1], myip[2], myip[3]);
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printf("Server ip address is: %d.%d.%d.%d\n",
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servip[0], servip[1], servip[2], servip[3]);
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} else {
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printf("REVARP: Failed.\n");
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return;
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}
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if (do_get_file() == 1) {
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printf("Download Failed\n");
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return;
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} else {
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printf("Download was a success!\n");
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}
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/*FALLTHROUGH*/
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case 'g':
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printf("Start @ 0x%x ... \n", LOAD_ADDR);
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go(LOAD_ADDR, buf+1, ebuf);
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return;
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case 'h':
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case '?':
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printf("valid commands\n");
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printf("a - send a RARP\n");
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printf("b - boot the system\n");
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printf("e - exit to ROM\n");
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printf("f - ftp the boot file\n");
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printf("g - execute the boot file\n");
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printf("h - help\n");
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printf("i - init LANCE enet chip\n");
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return;
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case 'i':
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le_init();
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return;
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default:
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printf("sboot: %s: Unknown command\n", buf);
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}
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}
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