xref: /netbsd/sys/arch/mvme68k/stand/libsa/exec_mvme.c (revision bf9ec67e)
1 /*	$NetBSD: exec_mvme.c,v 1.11 2000/12/02 17:28:08 scw 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
36  */
37 
38 #include <sys/param.h>
39 #include <sys/reboot.h>
40 #include <machine/prom.h>
41 
42 #include "loadfile.h"
43 
44 #include "stand.h"
45 #include "libsa.h"
46 
47 /* These must agree with what locore.s expects */
48 #define	KERN_LOADADDR	0x0
49 typedef void (*kentry_t)(int, u_int, u_int, u_int, int, u_long);
50 
51 
52 /*ARGSUSED*/
53 void
54 exec_mvme(file, flag, part)
55 	char	*file;
56 	int	flag;
57 	int	part;
58 {
59 	kentry_t	entry;
60 	u_long		marks[MARK_MAX];
61 	int		fd;
62 	int		lflags;
63 
64 	lflags = LOAD_KERNEL;
65 	if ((flag & RB_NOSYM) != 0 )
66 		lflags &= ~LOAD_SYM;
67 
68 	marks[MARK_START] = KERN_LOADADDR;
69 	if ((fd = loadfile(file, marks, lflags)) == -1)
70 		return;
71 	close(fd);
72 
73 	marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
74 	    (-sizeof(int));
75 
76 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
77 	    marks[MARK_ENTRY], marks[MARK_NSYM],
78 	    marks[MARK_SYM], marks[MARK_END]);
79 
80 	entry = (kentry_t) marks[MARK_ENTRY];
81 
82 	(*entry)(flag, bugargs.ctrl_addr, bugargs.ctrl_lun, bugargs.dev_lun,
83 	    part, marks[MARK_END]);
84 
85 	printf("exec: kernel returned!\n");
86 	return;
87 }
88