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
|
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2008-2009 coresystems GmbH
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <cbfs.h>
#include <arch/stages.h>
#include <timestamp.h>
static void cbfs_and_run_core(const char *filename, unsigned ebp)
{
u8 *dst;
timestamp_add_now(TS_START_COPYRAM);
print_debug("Loading image.\n");
dst = cbfs_load_stage(CBFS_DEFAULT_MEDIA, filename);
if ((void *)dst == (void *) -1)
die("FATAL: Essential component is missing.\n");
timestamp_add_now(TS_END_COPYRAM);
print_debug("Jumping to image.\n");
__asm__ volatile (
"movl %%eax, %%ebp\n"
"jmp *%%edi\n"
:: "a"(ebp), "D"(dst)
);
}
void asmlinkage copy_and_run(unsigned cpu_reset)
{
// FIXME fix input parameters instead normalizing them here.
if (cpu_reset == 1) cpu_reset = -1;
else cpu_reset = 0;
cbfs_and_run_core(CONFIG_CBFS_PREFIX "/coreboot_ram", cpu_reset);
}
#if CONFIG_AP_CODE_IN_CAR
void asmlinkage copy_and_run_ap_code_in_car(unsigned ret_addr)
{
cbfs_and_run_core(CONFIG_CBFS_PREFIX "/coreboot_ap", ret_addr);
}
#endif
|
