1 /* $NetBSD: exec_mvme.c,v 1.16 2011/05/29 10:29:01 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
exec_mvme(char * file,int flag,int part)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 | LOAD_BACKWARDS);
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