blob: 4d4caa8476fa8d50904fbcf4f658b7fd9ee7d8d0 (
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
|
/*
* Generic PROM routines
*
* Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
#include <prom/generic.h>
static int *_prom_argc;
static char **_prom_argv;
static char **_prom_envp;
char *generic_prom_getenv(char *envname)
{
char **env;
char *ret;
ret = NULL;
for (env = _prom_envp; *env != NULL; env++) {
if (strcmp(envname, *env++) == 0) {
ret = *env;
break;
}
}
return ret;
}
int generic_prom_present(void)
{
_prom_argc = (int *)fw_arg0;
_prom_argv = (char **)fw_arg1;
_prom_envp = (char **)fw_arg2;
return 1;
}
|