sboot.c revision 1.2 1 1.1 chuck /*
2 1.1 chuck *
3 1.1 chuck * Copyright (c) 1995 Charles D. Cranor and Seth Widoff
4 1.1 chuck * All rights reserved.
5 1.1 chuck *
6 1.1 chuck * Redistribution and use in source and binary forms, with or without
7 1.1 chuck * modification, are permitted provided that the following conditions
8 1.1 chuck * are met:
9 1.1 chuck * 1. Redistributions of source code must retain the above copyright
10 1.1 chuck * notice, this list of conditions and the following disclaimer.
11 1.1 chuck * 2. Redistributions in binary form must reproduce the above copyright
12 1.1 chuck * notice, this list of conditions and the following disclaimer in the
13 1.1 chuck * documentation and/or other materials provided with the distribution.
14 1.1 chuck * 3. All advertising materials mentioning features or use of this software
15 1.1 chuck * must display the following acknowledgement:
16 1.1 chuck * This product includes software developed by Charles D. Cranor
17 1.1 chuck * and Seth Widoff.
18 1.1 chuck * 4. The name of the author may not be used to endorse or promote products
19 1.1 chuck * derived from this software without specific prior written permission.
20 1.1 chuck *
21 1.1 chuck * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 1.1 chuck * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 1.1 chuck * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 1.1 chuck * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 1.1 chuck * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 1.1 chuck * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 1.1 chuck * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 1.1 chuck * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 1.1 chuck * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 1.1 chuck * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 1.1 chuck */
32 1.1 chuck /*
33 1.1 chuck * main driver, plus machdep stuff
34 1.1 chuck */
35 1.1 chuck
36 1.1 chuck #include "sboot.h"
37 1.1 chuck
38 1.1 chuck void sboot()
39 1.1 chuck
40 1.1 chuck {
41 1.1 chuck char * mesg;
42 1.2 chuck char buf[128], *ebuf;
43 1.1 chuck buf[0] = '0';
44 1.1 chuck consinit();
45 1.1 chuck printf("\nsboot: serial line bootstrap program (&end = %x)\n\n", &end);
46 1.1 chuck if (reboot) { /* global flag from AAstart.s */
47 1.1 chuck reboot = 0;
48 1.1 chuck printf("[rebooting...]\n");
49 1.2 chuck buf[0] = 'b';
50 1.2 chuck buf[1] = 0;
51 1.2 chuck do_cmd(buf, &buf[1]);
52 1.1 chuck }
53 1.1 chuck while (1) {
54 1.1 chuck printf(">>> ");
55 1.2 chuck ebuf = ngets(buf, sizeof(buf));
56 1.2 chuck do_cmd(buf, ebuf);
57 1.1 chuck }
58 1.1 chuck /* not reached */
59 1.1 chuck }
60 1.1 chuck
61 1.1 chuck /*
62 1.1 chuck * exit to rom
63 1.1 chuck */
64 1.1 chuck
65 1.1 chuck void callrom ()
66 1.1 chuck {
67 1.1 chuck asm("trap #15; .word 0x0063");
68 1.1 chuck }
69 1.1 chuck
70 1.1 chuck /*
71 1.1 chuck * do_cmd: do a command
72 1.1 chuck */
73 1.1 chuck
74 1.2 chuck void do_cmd(buf, ebuf)
75 1.1 chuck
76 1.2 chuck char *buf, *ebuf;
77 1.1 chuck
78 1.1 chuck {
79 1.1 chuck switch (*buf) {
80 1.1 chuck case '\0':
81 1.1 chuck return;
82 1.1 chuck case 'a':
83 1.1 chuck if ( rev_arp() ) {
84 1.1 chuck printf ("My ip address is: %d.%d.%d.%d\n", myip[0],
85 1.1 chuck myip[1], myip[2], myip[3]);
86 1.1 chuck printf ("Server ip address is: %d.%d.%d.%d\n", servip[0],
87 1.1 chuck servip[1], servip[2], servip[3]);
88 1.1 chuck } else {
89 1.1 chuck printf ("Failed.\n");
90 1.1 chuck }
91 1.1 chuck return;
92 1.1 chuck case 'e':
93 1.1 chuck printf("exiting to ROM\n");
94 1.1 chuck callrom();
95 1.1 chuck return;
96 1.1 chuck case 'f':
97 1.1 chuck if (do_get_file() == 1) {
98 1.1 chuck printf("Download Failed\n");
99 1.1 chuck } else {
100 1.1 chuck printf("Download was a success!\n");
101 1.1 chuck }
102 1.1 chuck return;
103 1.1 chuck case 'b':
104 1.1 chuck le_init();
105 1.1 chuck if ( rev_arp() ) {
106 1.1 chuck printf ("My ip address is: %d.%d.%d.%d\n", myip[0],
107 1.1 chuck myip[1], myip[2], myip[3]);
108 1.1 chuck printf ("Server ip address is: %d.%d.%d.%d\n", servip[0],
109 1.1 chuck servip[1], servip[2], servip[3]);
110 1.1 chuck } else {
111 1.1 chuck printf ("REVARP: Failed.\n");
112 1.1 chuck return;
113 1.1 chuck }
114 1.1 chuck if (do_get_file() == 1) {
115 1.1 chuck printf("Download Failed\n");
116 1.1 chuck return;
117 1.1 chuck } else {
118 1.1 chuck printf("Download was a success!\n");
119 1.1 chuck }
120 1.2 chuck /*FALLTHROUGH*/
121 1.2 chuck case 'g':
122 1.2 chuck printf("Start @ 0x%x ... \n", LOAD_ADDR);
123 1.2 chuck go(LOAD_ADDR, buf+1, ebuf);
124 1.1 chuck return;
125 1.1 chuck case 'h':
126 1.1 chuck case '?':
127 1.1 chuck printf("valid commands\n");
128 1.1 chuck printf("a - send a RARP\n");
129 1.1 chuck printf("b - boot the system\n");
130 1.1 chuck printf("e - exit to ROM\n");
131 1.1 chuck printf("f - ftp the boot file\n");
132 1.1 chuck printf("g - execute the boot file\n");
133 1.1 chuck printf("h - help\n");
134 1.1 chuck printf("i - init LANCE enet chip\n");
135 1.1 chuck return;
136 1.1 chuck case 'i':
137 1.1 chuck le_init();
138 1.1 chuck return;
139 1.1 chuck default:
140 1.1 chuck printf("sboot: %s: Unknown command\n", buf);
141 1.1 chuck }
142 1.1 chuck }
143