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 #include <linux/kconfig.h>
25 #include <linux/initramfs.h>
26
27 /*
28 * Create a simple rootfs that is similar to the default initramfs
29 */
30 #if !IS_BUILTIN(CONFIG_BLK_DEV_INITRD)
31 static
32 #endif
default_rootfs(void)33 int __init default_rootfs(void)
34 {
35 int err;
36
37 err = sys_mkdir((const char __user __force *) "/dev", 0755);
38 if (err < 0)
39 goto out;
40
41 err = sys_mknod((const char __user __force *) "/dev/console",
42 S_IFCHR | S_IRUSR | S_IWUSR,
43 new_encode_dev(MKDEV(5, 1)));
44 if (err < 0)
45 goto out;
46
47 err = sys_mkdir((const char __user __force *) "/root", 0700);
48 if (err < 0)
49 goto out;
50
51 return 0;
52
53 out:
54 printk(KERN_WARNING "Failed to create a rootfs\n");
55 return err;
56 }
57 #if !IS_BUILTIN(CONFIG_BLK_DEV_INITRD)
58 rootfs_initcall(default_rootfs);
59 #endif
60