1 /* $OpenBSD: exec.c,v 1.6 2019/04/10 04:17:34 deraadt Exp $ */
2
3 /*
4 * Copyright (c) 2002-2004 Michael Shalayeff
5 * 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
25 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
26 * THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/param.h>
30 #include <machine/cpu.h>
31 #include <machine/pdc.h>
32 #include "libsa.h"
33 #include <lib/libsa/loadfile.h>
34 #include <stand/boot/bootarg.h>
35 #include "dev_hppa.h"
36
37 typedef void (*startfuncp)(int, int, int, int, int, int, caddr_t)
38 __attribute__ ((noreturn));
39
40 void
run_loadfile(uint64_t * marks,int howto)41 run_loadfile(uint64_t *marks, int howto)
42 {
43 fcacheall();
44
45 __asm("mtctl %r0, %cr17");
46 __asm("mtctl %r0, %cr17");
47 /* stack and the gung is ok at this point, so, no need for asm setup */
48 (*(startfuncp)((u_long)marks[MARK_ENTRY]))((int)pdc, howto, bootdev,
49 (u_long)marks[MARK_END], BOOTARG_APIVER, BOOTARG_LEN, (caddr_t)BOOTARG_OFF);
50
51 /* not reached */
52 }
53