| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * cmdline.c: read the command line passed to us by the PROM. | 
 | 3 |  * | 
 | 4 |  * Copyright (C) 1998 Harald Koerfgen | 
 | 5 |  * Copyright (C) 2002, 2004  Maciej W. Rozycki | 
 | 6 |  */ | 
 | 7 | #include <linux/init.h> | 
 | 8 | #include <linux/kernel.h> | 
 | 9 | #include <linux/string.h> | 
 | 10 | #include <linux/types.h> | 
 | 11 |  | 
 | 12 | #include <asm/bootinfo.h> | 
 | 13 | #include <asm/dec/prom.h> | 
 | 14 |  | 
 | 15 | #undef PROM_DEBUG | 
 | 16 |  | 
 | 17 | void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic) | 
 | 18 | { | 
 | 19 | 	char *arg; | 
 | 20 | 	int start_arg, i; | 
 | 21 |  | 
 | 22 | 	/* | 
 | 23 | 	 * collect args and prepare cmd_line | 
 | 24 | 	 */ | 
 | 25 | 	if (!prom_is_rex(magic)) | 
 | 26 | 		start_arg = 1; | 
 | 27 | 	else | 
 | 28 | 		start_arg = 2; | 
 | 29 | 	for (i = start_arg; i < argc; i++) { | 
 | 30 | 		arg = (void *)(long)(argv[i]); | 
 | 31 | 		strcat(arcs_cmdline, arg); | 
 | 32 | 		if (i < (argc - 1)) | 
 | 33 | 			strcat(arcs_cmdline, " "); | 
 | 34 | 	} | 
 | 35 |  | 
 | 36 | #ifdef PROM_DEBUG | 
 | 37 | 	printk("arcs_cmdline: %s\n", &(arcs_cmdline[0])); | 
 | 38 | #endif | 
 | 39 | } |