1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * init/noinitramfs.c
4 *
5 * Copyright (C) 2006, NXP Semiconductors, All Rights Reserved
6 * Author: Jean-Paul Saman <jean-paul.saman@nxp.com>
7 */
8 #include <linux/init.h>
9 #include <linux/stat.h>
10 #include <linux/kdev_t.h>
11 #include <linux/syscalls.h>
12 #include <linux/init_syscalls.h>
13 #include <linux/umh.h>
14
15 /*
16 * Create a simple rootfs that is similar to the default initramfs
17 */
18 static int __init default_rootfs(void)
19 {
20 int err;
21
22 usermodehelper_enable();
23 err = init_mkdir("/dev", 0755);
24 if (err < 0)
25 goto out;
26
27 err = init_mknod("/dev/console", S_IFCHR | S_IRUSR | S_IWUSR,
28 new_encode_dev(MKDEV(5, 1)));
29 if (err < 0)
30 goto out;
31
32 err = init_mkdir("/root", 0700);
33 if (err < 0)
34 goto out;
35
36 return 0;
37
38 out:
39 printk(KERN_WARNING "Failed to create a rootfs\n");
40 return err;
41 }
42 rootfs_initcall(default_rootfs);
43
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