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 
14 /*
15  * Create a simple rootfs that is similar to the default initramfs
16  */
default_rootfs(void)17 static int __init default_rootfs(void)
18 {
19 	int err;
20 
21 	err = init_mkdir("/dev", 0755);
22 	if (err < 0)
23 		goto out;
24 
25 	err = init_mknod("/dev/console", S_IFCHR | S_IRUSR | S_IWUSR,
26 			new_encode_dev(MKDEV(5, 1)));
27 	if (err < 0)
28 		goto out;
29 
30 	err = init_mkdir("/root", 0700);
31 	if (err < 0)
32 		goto out;
33 
34 	return 0;
35 
36 out:
37 	printk(KERN_WARNING "Failed to create a rootfs\n");
38 	return err;
39 }
40 rootfs_initcall(default_rootfs);
41