xref: /netbsd/sys/arch/alpha/stand/common/bootxx.c (revision bf9ec67e)
1 /* $NetBSD: bootxx.c,v 1.6 1999/11/13 21:38:20 thorpej Exp $ */
2 
3 /*
4  * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed by Christopher G. Demetriou
17  *	for the NetBSD Project.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 /*
34  * Copyright (c) 1992, 1993
35  *	The Regents of the University of California.  All rights reserved.
36  *
37  * This code is derived from software contributed to Berkeley by
38  * Ralph Campbell.
39  *
40  * Redistribution and use in source and binary forms, with or without
41  * modification, are permitted provided that the following conditions
42  * are met:
43  * 1. Redistributions of source code must retain the above copyright
44  *    notice, this list of conditions and the following disclaimer.
45  * 2. Redistributions in binary form must reproduce the above copyright
46  *    notice, this list of conditions and the following disclaimer in the
47  *    documentation and/or other materials provided with the distribution.
48  * 3. All advertising materials mentioning features or use of this software
49  *    must display the following acknowledgement:
50  *	This product includes software developed by the University of
51  *	California, Berkeley and its contributors.
52  * 4. Neither the name of the University nor the names of its contributors
53  *    may be used to endorse or promote products derived from this software
54  *    without specific prior written permission.
55  *
56  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
58  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
59  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
60  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
61  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
62  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
63  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
64  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
65  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
66  * SUCH DAMAGE.
67  *
68  *	@(#)boot.c	8.1 (Berkeley) 6/10/93
69  */
70 
71 #include <lib/libsa/stand.h>
72 #include <lib/libkern/libkern.h>
73 
74 #include <sys/param.h>
75 #include <sys/exec.h>
76 #include <sys/exec_ecoff.h>
77 
78 #include <machine/autoconf.h>
79 #include <machine/prom.h>
80 #include <machine/rpb.h>
81 
82 #include <machine/pte.h>
83 
84 #include "../common/common.h"
85 
86 void main(void);
87 
88 void
89 main(void)
90 {
91         struct stat sb;
92 	const char *reason;
93 	int fd;
94 
95 	/* Init prom callback vector. */
96 	init_prom_calls();
97 
98         putstr("\nNetBSD/alpha " NETBSD_VERS " " BOOTXX_FS_NAME " Primary Bootstrap\n");
99 
100         if (!booted_dev_open()) {
101 		reason = "Can't open boot device.";
102                 goto fail;
103         }
104 
105 	fd = open("boot", 0);
106 	if (fd == -1 || (fstat(fd, &sb) == -1)) {
107 		reason = "Can't open /boot.";
108 		goto failclose;
109 	}
110 
111 	if (sb.st_size > SECONDARY_MAX_LOAD) {
112 		reason = "/boot too large.";
113 		goto failclose;
114 	}
115 
116 	if (read(fd, (void*)SECONDARY_LOAD_ADDRESS, sb.st_size) != sb.st_size) {
117 		reason = "/boot load failed.";
118 		goto failclose;
119 	}
120 
121 	putstr("Jumping to entry point...\n");
122 	(*((void(*)(int))SECONDARY_LOAD_ADDRESS))(booted_dev_fd);
123 
124 	reason = "Secondary boot returned!";
125 failclose:
126 	booted_dev_close();
127 fail:
128 	putstr(reason);
129 	putstr("\n\nPRIMARY BOOTSTRAP FAILED!\n");
130 }
131