1 /* $NetBSD: sboot.c,v 1.7 2011/02/02 17:53:41 chuck Exp $ */
2
3 /*
4 * Copyright (c) 1995 Charles D. Cranor and Seth Widoff
5 * 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27 /*
28 * main driver, plus machdep stuff
29 */
30
31 #include "sboot.h"
32
33 void sboot(void);
34
35 extern char bootprog_rev[];
36
37 void
sboot(void)38 sboot(void)
39 {
40 char buf[128], *ebuf;
41
42 buf[0] = '0';
43 consinit();
44 printf("\nsboot: serial line bootstrap program (&end = %p) [%s]\n\n",
45 &end, bootprog_rev);
46 if (reboot) { /* global flag from AAstart.s */
47 reboot = 0;
48 printf("[rebooting...]\n");
49 buf[0] = 'b';
50 buf[1] = 0;
51 do_cmd(buf, &buf[1]);
52 }
53 for (;;) {
54 printf(">>> ");
55 ebuf = ngets(buf, sizeof(buf));
56 do_cmd(buf, ebuf);
57 }
58 /* not reached */
59 }
60
61 /*
62 * exit to rom
63 */
64
65 void
callrom(void)66 callrom(void)
67 {
68
69 __asm("trap #15; .word 0x0063");
70 }
71
72 /*
73 * do_cmd: do a command
74 */
75
76 void
do_cmd(char * buf,char * ebuf)77 do_cmd(char *buf, char *ebuf)
78 {
79
80 switch (*buf) {
81 case '\0':
82 return;
83 case 'a':
84 if (rev_arp()) {
85 printf("My ip address is: %d.%d.%d.%d\n",
86 myip[0], myip[1], myip[2], myip[3]);
87 printf("Server ip address is: %d.%d.%d.%d\n",
88 servip[0], servip[1], servip[2], servip[3]);
89 } else {
90 printf("Failed.\n");
91 }
92 return;
93 case 'e':
94 printf("exiting to ROM\n");
95 callrom();
96 return;
97 case 'f':
98 if (do_get_file() == 1) {
99 printf("Download Failed\n");
100 } else {
101 printf("Download was a success!\n");
102 }
103 return;
104 case 'b':
105 le_init();
106 if (rev_arp()) {
107 printf("My ip address is: %d.%d.%d.%d\n",
108 myip[0], myip[1], myip[2], myip[3]);
109 printf("Server ip address is: %d.%d.%d.%d\n",
110 servip[0], servip[1], servip[2], servip[3]);
111 } else {
112 printf("REVARP: Failed.\n");
113 return;
114 }
115 if (do_get_file() == 1) {
116 printf("Download Failed\n");
117 return;
118 } else {
119 printf("Download was a success!\n");
120 }
121 /*FALLTHROUGH*/
122 case 'g':
123 printf("Start @ 0x%x ... \n", LOAD_ADDR);
124 go(LOAD_ADDR, buf+1, ebuf);
125 return;
126 case 'h':
127 case '?':
128 printf("valid commands\n");
129 printf("a - send a RARP\n");
130 printf("b - boot the system\n");
131 printf("e - exit to ROM\n");
132 printf("f - ftp the boot file\n");
133 printf("g - execute the boot file\n");
134 printf("h - help\n");
135 printf("i - init LANCE enet chip\n");
136 return;
137 case 'i':
138 le_init();
139 return;
140 default:
141 printf("sboot: %s: Unknown command\n", buf);
142 }
143 }
144