1 /*
2 * init/noinitramfs.c
3 *
4 * Copyright (C) 2006, NXP Semiconductors, All Rights Reserved
5 * Author: Jean-Paul Saman <jean-paul.saman@nxp.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20 #include <linux/init.h>
21 #include <linux/stat.h>
22 #include <linux/kdev_t.h>
23 #include <linux/syscalls.h>
24
25 /*
26 * Create a simple rootfs that is similar to the default initramfs
27 */
default_rootfs(void)28 static int __init default_rootfs(void)
29 {
30 int err;
31
32 err = ksys_mkdir((const char __user __force *) "/dev", 0755);
33 if (err < 0)
34 goto out;
35
36 err = ksys_mknod((const char __user __force *) "/dev/console",
37 S_IFCHR | S_IRUSR | S_IWUSR,
38 new_encode_dev(MKDEV(5, 1)));
39 if (err < 0)
40 goto out;
41
42 err = ksys_mkdir((const char __user __force *) "/root", 0700);
43 if (err < 0)
44 goto out;
45
46 return 0;
47
48 out:
49 printk(KERN_WARNING "Failed to create a rootfs\n");
50 return err;
51 }
52 rootfs_initcall(default_rootfs);
53
