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/* $Id: bootstr.c,v 1.4 1997/06/17 13:25:35 jj Exp $
* bootstr.c: Boot string/argument acquisition from the PROM.
*
* Copyright(C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright(C) 1996 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 __initdata = BARG_LEN;
static int bootstr_valid __initdata = 0;
static char bootstr_buf[BARG_LEN] __initdata = { 0 };
__initfunc(char *
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;
}
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