blob: 064ba247272ff4c8c026409843173b7338792946 (
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
|
/* $Id: bootstr.c,v 1.6 1999/08/31 06:55:01 davem Exp $
* bootstr.c: Boot string/argument acquisition from the PROM.
*
* Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright(C) 1996,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#include <linux/string.h>
#include <linux/init.h>
#include <asm/oplib.h>
#define BARG_LEN 256
int bootstr_len = BARG_LEN;
static int bootstr_valid = 0;
static char bootstr_buf[BARG_LEN] = { 0 };
char * __init
prom_getbootargs(void)
{
/* This check saves us from a panic when bootfd patches args. */
if (bootstr_valid) return bootstr_buf;
prom_getstring(prom_chosen_node, "bootargs", bootstr_buf, BARG_LEN);
bootstr_valid = 1;
return bootstr_buf;
}
|
