1/*	$NetBSD: boot.c,v 1.6 2014/01/11 08:08:23 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
86int
87boot(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
114int
115bootnetbsd(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