/* * cmdline.c: read the command line passed to us by the PROM. * * Copyright (C) 1998 Harald Koerfgen */#include <linux/init.h>#include <linux/kernel.h>#include <linux/string.h>#include <asm/bootinfo.h>#include "prom.h"#undef PROM_DEBUG#ifdef PROM_DEBUGextern int (*prom_printf)(char *, ...);#endifchar arcs_cmdline[COMMAND_LINE_SIZE];void __init prom_init_cmdline(int argc, char **argv, unsigned long magic){	int start_arg, i;	/*	 * collect args and prepare cmd_line	 */	if (magic != REX_PROM_MAGIC)		start_arg = 1;	else		start_arg = 2;	for (i = start_arg; i < argc; i++) {		strcat(arcs_cmdline, argv[i]);		if (i < (argc - 1))			strcat(arcs_cmdline, " ");	}#ifdef PROM_DEBUG	prom_printf("arcs_cmdline: %s\n", &(arcs_cmdline[0]));#endif}