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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
#include <boot.h>
#include <common.h>
#include <command.h>
#include <driver.h>
#include <environment.h>
#include <image.h>
#include <zlib.h>
#include <init.h>
#include <fs.h>
#include <linux/list.h>
#include <xfuncs.h>
#include <malloc.h>
#include <fcntl.h>
#include <errno.h>
#include <asm/byteorder.h>
#include <asm/setup.h>
#include <asm/barebox-arm.h>
#include <asm/armlinux.h>
#include <asm/system.h>
static int do_bootm_linux(struct image_data *data)
{
void (*theKernel)(int zero, int arch, void *params);
image_header_t *os_header = &data->os->header;
if (image_get_type(os_header) == IH_TYPE_MULTI) {
printf("Multifile images not handled at the moment\n");
return -1;
}
theKernel = (void *)image_get_ep(os_header);
debug("## Transferring control to Linux (at address 0x%p) ...\n",
theKernel);
if (relocate_image(data->os, (void *)image_get_load(os_header)))
return -1;
if (data->initrd)
if (relocate_image(data->initrd, (void *)image_get_load(&data->initrd->header)))
return -1;
/* we assume that the kernel is in place */
printf("\nStarting kernel %s...\n\n", data->initrd ? "with initrd " : "");
start_linux(theKernel, 0, data);
return -1;
}
static int image_handle_cmdline_parse(struct image_data *data, int opt,
char *optarg)
{
int ret = 1;
int no;
switch (opt) {
case 'a':
no = simple_strtoul(optarg, NULL, 0);
armlinux_set_architecture(no);
ret = 0;
break;
case 'R':
no = simple_strtoul(optarg, NULL, 0);
armlinux_set_revision(no);
ret = 0;
break;
default:
break;
}
return ret;
}
static struct image_handler handler = {
.cmdline_options = "a:R:",
.cmdline_parse = image_handle_cmdline_parse,
.help_string = " -a <arch> use architecture number <arch>\n"
" -R <system_rev> use system revison <system_rev>\n",
.bootm = do_bootm_linux,
.image_type = IH_OS_LINUX,
};
static int armlinux_register_image_handler(void)
{
return register_image_handler(&handler);
}
late_initcall(armlinux_register_image_handler);
|
