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 */
18static 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
38out:
39	printk(KERN_WARNING "Failed to create a rootfs\n");
40	return err;
41}
42rootfs_initcall(default_rootfs);

 
 1/*
 2 * init/noinitramfs.c
 3 *
 4 * Copyright (C) 2006, NXP Semiconductors, All Rights Reserved
 5 * Author: Jean-Paul Saman <jean-paul.saman@nxp.com>
 6 *
 7 * This program is free software; you can redistribute it and/or modify
 8 * it under the terms of the GNU General Public License as published by
 9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20#include <linux/init.h>
21#include <linux/stat.h>
22#include <linux/kdev_t.h>
23#include <linux/syscalls.h>
 
 
24
25/*
26 * Create a simple rootfs that is similar to the default initramfs
27 */
28static int __init default_rootfs(void)
29{
30	int err;
31
32	err = sys_mkdir((const char __user __force *) "/dev", 0755);
 
33	if (err < 0)
34		goto out;
35
36	err = sys_mknod((const char __user __force *) "/dev/console",
37			S_IFCHR | S_IRUSR | S_IWUSR,
38			new_encode_dev(MKDEV(5, 1)));
39	if (err < 0)
40		goto out;
41
42	err = sys_mkdir((const char __user __force *) "/root", 0700);
43	if (err < 0)
44		goto out;
45
46	return 0;
47
48out:
49	printk(KERN_WARNING "Failed to create a rootfs\n");
50	return err;
51}
52rootfs_initcall(default_rootfs);