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
|
// SPDX-License-Identifier: GPL-2.0-only
#include <linux/init.h>
#include <linux/of_fdt.h>
#include <linux/printk.h>
#include <linux/memblock.h>
#include <init.h>
#include "um_arch.h"
static char *dtb __initdata;
void uml_dtb_init(void)
{
long long size;
void *area;
area = uml_load_file(dtb, &size);
if (area) {
if (!early_init_dt_scan(area, __pa(area))) {
pr_err("invalid DTB %s\n", dtb);
memblock_free(area, size);
return;
}
early_init_fdt_scan_reserved_mem();
}
unflatten_device_tree();
}
static int __init uml_dtb_setup(char *line, int *add)
{
*add = 0;
dtb = line;
return 0;
}
__uml_setup("dtb=", uml_dtb_setup,
"dtb=<file>\n"
" Boot the kernel with the devicetree blob from the specified file.\n"
);
|
