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(pathname: "/dev", mode: 0755); |
24 | if (err < 0) |
25 | goto out; |
26 | |
27 | err = init_mknod(filename: "/dev/console", S_IFCHR | S_IRUSR | S_IWUSR, |
28 | dev: new_encode_dev(MKDEV(5, 1))); |
29 | if (err < 0) |
30 | goto out; |
31 | |
32 | err = init_mkdir(pathname: "/root", mode: 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 |