| /* |
| * 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'; |
| } |
| } |