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 */ 17static 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 36out: 37 printk(KERN_WARNING "Failed to create a rootfs\n"); 38 return err; 39} 40rootfs_initcall(default_rootfs); 41