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/* $Id: cmdline.c,v 1.2 1999/10/19 20:51:44 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* cmdline.c: Kernel command line creation using ARCS argc/argv.
*
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <asm/sgialib.h>
#include <asm/bootinfo.h>
/* #define DEBUG_CMDLINE */
char arcs_cmdline[CL_SIZE];
char * __init prom_getcmdline(void)
{
return &(arcs_cmdline[0]);
}
static char *ignored[] = {
"ConsoleIn=",
"ConsoleOut=",
"SystemPartition=",
"OSLoader=",
"OSLoadPartition=",
"OSLoadFilename="
};
#define NENTS(foo) ((sizeof((foo)) / (sizeof((foo[0])))))
void __init prom_init_cmdline(void)
{
char *cp;
int actr, i;
actr = 1; /* Always ignore argv[0] */
cp = &(arcs_cmdline[0]);
while(actr < prom_argc) {
for(i = 0; i < NENTS(ignored); i++) {
int len = strlen(ignored[i]);
if(!strncmp(prom_argv(actr), ignored[i], len))
goto pic_cont;
}
/* Ok, we want it. */
strcpy(cp, prom_argv(actr));
cp += strlen(prom_argv(actr));
*cp++ = ' ';
pic_cont:
actr++;
}
if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
--cp;
*cp = '\0';
#ifdef DEBUG_CMDLINE
prom_printf("prom_init_cmdline: %s\n", &(arcs_cmdline[0]));
#endif
}
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