|  | /* | 
|  | * cmdline.c: read the command line passed to us by the PROM. | 
|  | * | 
|  | * Copyright (C) 1998 Harald Koerfgen | 
|  | * Copyright (C) 2002, 2004  Maciej W. Rozycki | 
|  | */ | 
|  | #include <linux/init.h> | 
|  | #include <linux/kernel.h> | 
|  | #include <linux/string.h> | 
|  | #include <linux/types.h> | 
|  |  | 
|  | #include <asm/bootinfo.h> | 
|  | #include <asm/dec/prom.h> | 
|  |  | 
|  | #undef PROM_DEBUG | 
|  |  | 
|  | void __init prom_init_cmdline(s32 argc, s32 *argv, u32 magic) | 
|  | { | 
|  | char *arg; | 
|  | int start_arg, i; | 
|  |  | 
|  | /* | 
|  | * collect args and prepare cmd_line | 
|  | */ | 
|  | if (!prom_is_rex(magic)) | 
|  | start_arg = 1; | 
|  | else | 
|  | start_arg = 2; | 
|  | for (i = start_arg; i < argc; i++) { | 
|  | arg = (void *)(long)(argv[i]); | 
|  | strcat(arcs_cmdline, arg); | 
|  | if (i < (argc - 1)) | 
|  | strcat(arcs_cmdline, " "); | 
|  | } | 
|  |  | 
|  | #ifdef PROM_DEBUG | 
|  | printk("arcs_cmdline: %s\n", &(arcs_cmdline[0])); | 
|  | #endif | 
|  | } |