xref: /netbsd/sys/arch/mvme68k/stand/libsa/exec_mvme.c (revision 6550d01e)
1 /*	$NetBSD: exec_mvme.c,v 1.15 2008/01/12 09:54:32 tsutsui 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. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  * 	@(#)boot.c	8.1 (Berkeley) 6/10/93
32  */
33 
34 #include <sys/param.h>
35 #include <sys/reboot.h>
36 #include <machine/prom.h>
37 
38 #include "loadfile.h"
39 
40 #include <lib/libsa/stand.h>
41 #include "libsa.h"
42 
43 /* These must agree with what locore.s expects */
44 #define	KERN_LOADADDR	0x0
45 typedef void (*kentry_t)(int, u_int, u_int, u_int, int, u_long);
46 
47 
48 /*ARGSUSED*/
49 void
50 exec_mvme(char *file, int flag, int part)
51 {
52 	kentry_t	entry;
53 	u_long		marks[MARK_MAX];
54 	int		fd;
55 	int		lflags;
56 
57 	lflags = LOAD_KERNEL;
58 	if ((flag & RB_NOSYM) != 0 )
59 		lflags &= ~LOAD_SYM;
60 
61 	marks[MARK_START] = KERN_LOADADDR;
62 	if ((fd = loadfile(file, marks, lflags)) == -1)
63 		return;
64 	close(fd);
65 
66 	marks[MARK_END] = (((u_long) marks[MARK_END] + sizeof(int) - 1)) &
67 	    (-sizeof(int));
68 
69 	printf("Start @ 0x%lx [%ld=0x%lx-0x%lx]...\n",
70 	    marks[MARK_ENTRY], marks[MARK_NSYM],
71 	    marks[MARK_SYM], marks[MARK_END]);
72 
73 	entry = (kentry_t)marks[MARK_ENTRY];
74 
75 	(*entry)(flag, bugargs.ctrl_addr, bugargs.ctrl_lun, bugargs.dev_lun,
76 	    part, marks[MARK_END]);
77 
78 	printf("exec: kernel returned!\n");
79 }
80