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