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/arch/mips/dec/prom/cmdline.c

http://github.com/mirrors/linux
C | 40 lines | 25 code | 5 blank | 10 comment | 3 complexity | 49fadb61fcab0c44e5c36b9403e9dead MD5 | raw file
 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * cmdline.c: read the command line passed to us by the PROM.
 4 *
 5 * Copyright (C) 1998 Harald Koerfgen
 6 * Copyright (C) 2002, 2004  Maciej W. Rozycki
 7 */
 8#include <linux/init.h>
 9#include <linux/kernel.h>
10#include <linux/string.h>
11#include <linux/types.h>
12
13#include <asm/bootinfo.h>
14#include <asm/dec/prom.h>
15
16#undef PROM_DEBUG
17
18void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic)
19{
20	char *arg;
21	int start_arg, i;
22
23	/*
24	 * collect args and prepare cmd_line
25	 */
26	if (!prom_is_rex(magic))
27		start_arg = 1;
28	else
29		start_arg = 2;
30	for (i = start_arg; i < argc; i++) {
31		arg = (void *)(long)(argv[i]);
32		strcat(arcs_cmdline, arg);
33		if (i < (argc - 1))
34			strcat(arcs_cmdline, " ");
35	}
36
37#ifdef PROM_DEBUG
38	printk("arcs_cmdline: %s\n", &(arcs_cmdline[0]));
39#endif
40}