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/*
* 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.
*
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
*/
#include <linux/init.h>
#include <linux/string.h>
#include <asm/bootinfo.h>
extern int prom_argc;
extern int *_prom_argv;
/*
* YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
* This macro take care of sign extension.
*/
#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
char * __init prom_getcmdline(void)
{
return &(arcs_cmdline[0]);
}
void __init prom_init_cmdline(void)
{
char *cp;
int actr;
actr = 1; /* Always ignore argv[0] */
cp = &(arcs_cmdline[0]);
while (actr < prom_argc) {
strcpy(cp, prom_argv(actr));
cp += strlen(prom_argv(actr));
*cp++ = ' ';
actr++;
}
if (cp != &(arcs_cmdline[0])) {
/* get rid of trailing space */
--cp;
*cp = '\0';
}
}
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