1 /* $NetBSD: boot.c,v 1.7 2014/01/11 14:35:15 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1992 OMRON Corporation.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * OMRON Corporation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)boot.c 8.1 (Berkeley) 6/10/93
38 */
39 /*
40 * Copyright (c) 1992, 1993
41 * The Regents of the University of California. All rights reserved.
42 *
43 * This code is derived from software contributed to Berkeley by
44 * OMRON Corporation.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. Neither the name of the University nor the names of its contributors
55 * may be used to endorse or promote products derived from this software
56 * without specific prior written permission.
57 *
58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 * SUCH DAMAGE.
69 *
70 * @(#)boot.c 8.1 (Berkeley) 6/10/93
71 */
72
73 /*
74 * boot.c -- boot program
75 * by A.Fujita, MAR-01-1992
76 */
77
78 #include <sys/param.h>
79 #include <sys/boot_flag.h>
80 #include <sys/reboot.h>
81 #include <sys/exec.h>
82 #include <luna68k/stand/boot/samachdep.h>
83 #include <luna68k/stand/boot/status.h>
84 #include <lib/libsa/loadfile.h>
85
86 int
boot(int argc,char * argv[])87 boot(int argc, char *argv[])
88 {
89 char *line, *opts;
90 int i, howto;
91 char c;
92
93 line = NULL;
94 howto = 0;
95 for (i = 1; i < argc; i++) {
96 if (argv[i][0] == '-') {
97 opts = argv[i];
98 while ((c = *++opts) && c != '\0')
99 BOOT_FLAG(c, howto);
100 } else if (line == NULL)
101 line = argv[i];
102 }
103 if (line == NULL)
104 line = default_file;
105
106 printf("Booting %s", line);
107 if (howto != 0)
108 printf(" (howto 0x%x)", howto);
109 printf("\n");
110
111 return bootnetbsd(line, howto);
112 }
113
114 int
bootnetbsd(char * line,int howto)115 bootnetbsd(char *line, int howto)
116 {
117 int io;
118 u_long marks[MARK_MAX];
119
120 /* Note marks[MARK_START] is passed as an load address offset */
121 memset(marks, 0, sizeof(marks));
122
123 io = loadfile(line, marks, LOAD_KERNEL);
124 if (io >= 0) {
125 int dev = 0, unit = 0, part = 0;
126 uint adpt, ctlr, id;
127 uint32_t bootdev;
128
129 make_device(line, &dev, &unit, &part, NULL);
130 adpt = dev2adpt[dev];
131 ctlr = CTLR(unit);
132 id = TARGET(unit);
133 bootdev = MAKEBOOTDEV(0, adpt, ctlr, id, part);
134 #ifdef DEBUG
135 printf("entry = 0x%lx\n", marks[MARK_ENTRY]);
136 printf("ssym = 0x%lx\n", marks[MARK_SYM]);
137 printf("esym = 0x%lx\n", marks[MARK_END]);
138 #endif
139 __asm volatile (
140 "movl %0,%%d7;"
141 "movl %1,%%d6;"
142 "movl %2,%%a0;"
143 "jbsr %%a0@"
144 :
145 : "g" (howto), "g" (bootdev),
146 "g" ((void *)marks[MARK_ENTRY])
147 : "d6", "d7", "a0");
148 }
149 printf("Booting kernel failed. (%s)\n", strerror(errno));
150
151 return ST_ERROR;
152 }
153