blob: d6aa79a6d59ab61a2f7baf7ebe38c5fd60f3395b (
plain)
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
|
/*
* This file is part of the coreboot project.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <smp/node.h>
#include <arch/bootblock_romcc.h>
#include <pc80/mc146818rtc.h>
#include <halt.h>
static const char *get_fallback(const char *stagelist) {
while (*stagelist) stagelist++;
return ++stagelist;
}
static void main(unsigned long bist)
{
u8 boot_mode;
const char *default_filenames =
"normal/romstage\0fallback/romstage";
if (boot_cpu()) {
bootblock_mainboard_init();
#if CONFIG_USE_OPTION_TABLE
sanitize_cmos();
#endif
boot_mode = do_normal_boot();
} else {
/* Questionable single byte read from CMOS.
* Do not add any other CMOS access in the
* bootblock for AP CPUs.
*/
boot_mode = boot_use_normal(cmos_read(RTC_BOOT_BYTE));
}
char *normal_candidate = (char *)walkcbfs("coreboot-stages");
if (!normal_candidate)
normal_candidate = default_filenames;
unsigned long entry;
if (boot_mode) {
entry = findstage(normal_candidate);
if (entry)
call(entry, bist);
}
entry = findstage(get_fallback(normal_candidate));
if (entry)
call(entry, bist);
/* duh. we're stuck */
halt();
}
|