1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/* $OpenBSD: exec_i386.c,v 1.1 2004/02/03 12:09:47 mickey Exp $ */
/*
* Copyright (c) 1997-1998 Michael Shalayeff
* Copyright (c) 1997 Tobias Weingartner
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/param.h>
#include <dev/cons.h>
#include <stand/boot/bootarg.h>
#include <machine/biosvar.h>
#include <sys/disklabel.h>
#include "disk.h"
#include "libsa.h"
#include <lib/libsa/loadfile.h>
typedef void (*startfuncp)(int, int, int, int, int, int, int, int)
__attribute__ ((noreturn));
void
run_loadfile(u_long *marks, int howto)
{
u_long entry;
#ifdef EXEC_DEBUG
extern int debug;
#endif
dev_t bootdev = bootdev_dip->bootdev;
size_t ac = BOOTARG_LEN;
caddr_t av = (caddr_t)BOOTARG_OFF;
bios_consdev_t cd;
extern int com_speed; /* from bioscons.c */
cd.consdev = cn_tab->cn_dev;
cd.conspeed = com_speed;
addbootarg(BOOTARG_CONSDEV, sizeof(cd), &cd);
/* Pass memory map to the kernel */
mem_pass();
makebootargs(av, &ac);
entry = marks[MARK_ENTRY] & 0x0fffffff;
printf("entry point at 0x%lx [%x, %x, %x, %x]\n", entry,
((int *)entry)[0], ((int *)entry)[1], ((int *)entry)[2], ((int *)entry)[3]);
/* stack and the gung is ok at this point, so, no need for asm setup */
(*(startfuncp)entry)(howto, bootdev, BOOTARG_APIVER,
marks[MARK_END], extmem, cnvmem, ac, (int)av);
/* not reached */
}
|
