[mirror_ubuntu-artful-kernel.git] / init / noinitramfs.c

/*
 * init/noinitramfs.c
 *
 * Copyright (C) 2006, NXP Semiconductors, All Rights Reserved
 * Author: Jean-Paul Saman <jean-paul.saman@nxp.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
#include <linux/init.h>
#include <linux/stat.h>
#include <linux/kdev_t.h>
#include <linux/syscalls.h>

LIST_HEAD(populate_rootfs_domain);

/*
 * Create a simple rootfs that is similar to the default initramfs
 */
static int __init default_rootfs(void)
{
	int err;

	err = sys_mkdir((const char __user __force *) "/dev", 0755);
	if (err < 0)
		goto out;

	err = sys_mknod((const char __user __force *) "/dev/console",
			S_IFCHR | S_IRUSR | S_IWUSR,
			new_encode_dev(MKDEV(5, 1)));
	if (err < 0)
		goto out;

	err = sys_mkdir((const char __user __force *) "/root", 0700);
	if (err < 0)
		goto out;

	return 0;

out:
	printk(KERN_WARNING "Failed to create a rootfs\n");
	return err;
}
rootfs_initcall(default_rootfs);
Commit	Line	Data
c33df4ea JPS	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
0906fabf TG	25	LIST_HEAD(populate_rootfs_domain);
0906fabf TG	26
c33df4ea JPS	27	/*
	28	* Create a simple rootfs that is similar to the default initramfs
	29	*/
	30	static int __init default_rootfs(void)
	31	{
	32	int err;
	33
562f5e63	34	err = sys_mkdir((const char __user __force *) "/dev", 0755);
c33df4ea JPS	35	if (err < 0)
	36	goto out;
	37
562f5e63	38	err = sys_mknod((const char __user __force *) "/dev/console",
c33df4ea JPS	39	S_IFCHR \| S_IRUSR \| S_IWUSR,
	40	new_encode_dev(MKDEV(5, 1)));
	41	if (err < 0)
	42	goto out;
	43
562f5e63	44	err = sys_mkdir((const char __user __force *) "/root", 0700);
c33df4ea JPS	45	if (err < 0)
	46	goto out;
	47
	48	return 0;
	49
	50	out:
	51	printk(KERN_WARNING "Failed to create a rootfs\n");
	52	return err;
	53	}
	54	rootfs_initcall(default_rootfs);