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c33df4ea JPS |
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 | */ | |
28 | static int __init default_rootfs(void) | |
29 | { | |
30 | int err; | |
31 | ||
562f5e63 | 32 | err = sys_mkdir((const char __user __force *) "/dev", 0755); |
c33df4ea JPS |
33 | if (err < 0) |
34 | goto out; | |
35 | ||
562f5e63 | 36 | err = sys_mknod((const char __user __force *) "/dev/console", |
c33df4ea JPS |
37 | S_IFCHR | S_IRUSR | S_IWUSR, |
38 | new_encode_dev(MKDEV(5, 1))); | |
39 | if (err < 0) | |
40 | goto out; | |
41 | ||
562f5e63 | 42 | err = sys_mkdir((const char __user __force *) "/root", 0700); |
c33df4ea JPS |
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); |