1 /* $NetBSD: uboot.c,v 1.18 2022/12/11 06:20:08 tsutsui 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/boot_flag.h>
36
37 #include <lib/libsa/stand.h>
38 #include <lib/libkern/libkern.h>
39
40 #include <hp300/stand/common/samachdep.h>
41
42 /*
43 * Boot program... bits in `howto' determine whether boot stops to
44 * ask for system name. Boot device is derived from ROM provided
45 * information.
46 */
47
48 char line[100];
49
50 /*
51 * XXX UFS accepts a /, NFS doesn't.
52 */
53 char *name;
54 char *names[] = {
55 "netbsd", "netbsd.gz",
56 "netbsd.bak", "netbsd.bak.gz",
57 "netbsd.old", "netbsd.old.gz",
58 "onetbsd", "onetbsd.gz",
59 NULL
60 };
61 #define NUMNAMES (sizeof(names) / sizeof(char *))
62
63 static int bdev, badapt, bctlr, bunit, bpart;
64
65 void main(void);
66 void getbootdev(int *);
67
68 void
main(void)69 main(void)
70 {
71 int currname = 0;
72
73 printf("\n");
74 printf(">> %s, Revision %s (from NetBSD %s)\n",
75 bootprog_name, bootprog_rev, bootprog_kernrev);
76 printf(">> HP 9000/%s SPU\n", getmachineid());
77 printf(">> Enter \"reset\" to reset system.\n");
78
79 bdev = B_TYPE(bootdev);
80 badapt = B_ADAPTOR(bootdev);
81 bctlr = B_CONTROLLER(bootdev);
82 bunit = B_UNIT(bootdev);
83 bpart = B_PARTITION(bootdev);
84
85 for (;;) {
86 name = names[currname++];
87 if (currname == NUMNAMES)
88 currname = 0;
89
90 if (!noconsole) {
91 howto = 0;
92 getbootdev(&howto);
93 } else
94 printf(": %s\n", name);
95 exec_hp300(name, (u_long)lowram, howto);
96 printf("boot: %s\n", strerror(errno));
97 }
98 }
99
100 void
getbootdev(int * howto)101 getbootdev(int *howto)
102 {
103 char c, *ptr = line;
104
105 printf("Boot: [[[%s%d%c:]%s][-a][-c][-d][-s][-v][-q]] :- ",
106 devsw[bdev].dv_name, bctlr + (8 * badapt), 'a' + bpart, name);
107
108 if (tgets(line, sizeof(line))) {
109 if (strcmp(line, "reset") == 0) {
110 call_req_reboot(); /* reset machine */
111 printf("panic: can't reboot, halting\n");
112 __asm("stop #0x2700");
113 }
114 while ((c = *ptr) != '\0') {
115 while (c == ' ')
116 c = *++ptr;
117 if (!c)
118 return;
119 if (c == '-')
120 while ((c = *++ptr) && c != ' ')
121 BOOT_FLAG(c, *howto);
122 else {
123 name = ptr;
124 while ((c = *++ptr) && c != ' ');
125 if (c)
126 *ptr++ = 0;
127 }
128 }
129 } else
130 printf("\n");
131 }
132