cmdline.c
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:1k
- /*
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Kernel command line creation using the prom monitor (YAMON) argc/argv.
- */
- #include <linux/config.h>
- #include <linux/init.h>
- #include <linux/string.h>
- #include <asm/bootinfo.h>
- extern int prom_argc;
- extern char **prom_argv;
- char arcs_cmdline[COMMAND_LINE_SIZE];
- 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 = ' ';
- }