| 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 |