xref: /netbsd-src/sys/arch/mvmeppc/stand/libsa/exec_mvme.c (revision da5f4674a3fc214be3572d358b66af40ab9401e7)
1 /*	$NetBSD: exec_mvme.c,v 1.2 2003/08/07 16:28:49 agc Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Steve C. Woodford.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*-
40  * Copyright (c) 1982, 1986, 1990, 1993
41  *	The Regents of the University of California.  All rights reserved.
42  *
43  * Redistribution and use in source and binary forms, with or without
44  * modification, are permitted provided that the following conditions
45  * are met:
46  * 1. Redistributions of source code must retain the above copyright
47  *    notice, this list of conditions and the following disclaimer.
48  * 2. Redistributions in binary form must reproduce the above copyright
49  *    notice, this list of conditions and the following disclaimer in the
50  *    documentation and/or other materials provided with the distribution.
51  * 3. Neither the name of the University nor the names of its contributors
52  *    may be used to endorse or promote products derived from this software
53  *    without specific prior written permission.
54  *
55  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
56  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
57  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
58  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
59  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
60  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
61  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
62  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
63  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
64  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65  * SUCH DAMAGE.
66  *
67  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
68  */
69 
70 #include <sys/param.h>
71 #include <sys/reboot.h>
72 
73 #include <machine/bootinfo.h>
74 
75 #include "loadfile.h"
76 
77 #include "stand.h"
78 #include "libsa.h"
79 
80 /* These must agree with what locore.s expects */
81 #define	KERN_LOADADDR	0x0
82 typedef void (*kentry_t)(u_int, u_int, struct mvmeppc_bootinfo *);
83 
84 
85 /*ARGSUSED*/
86 void
87 exec_mvme(file, flag, part)
88 	const char *file;
89 	int	flag;
90 	int	part;
91 {
92 	kentry_t	entry;
93 	u_long		marks[MARK_MAX];
94 	int		fd;
95 	int		lflags;
96 
97 	lflags = LOAD_KERNEL;
98 #if 0
99 	if ((flag & RB_NOSYM) != 0 )
100 		lflags &= ~LOAD_SYM;
101 #endif
102 
103 	marks[MARK_START] = KERN_LOADADDR;
104 	if ((fd = loadfile(file, marks, lflags)) == -1)
105 		return;
106 	close(fd);
107 
108 	marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
109 	    (-sizeof(int));
110 
111 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
112 	    marks[MARK_ENTRY], marks[MARK_NSYM],
113 	    marks[MARK_SYM], marks[MARK_END]);
114 
115 	entry = (kentry_t) marks[MARK_ENTRY];
116 
117 	(*entry)(marks[MARK_SYM], marks[MARK_END], &bootinfo);
118 
119 	printf("exec: kernel returned!\n");
120 	return;
121 }
122