bootstr.c
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- /* $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;
- }