blob: a3bb1964829631111bcd6fd57b8816cbd7302a8a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
/*
* Base file system initialization
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems.h>
#include <rtems/libio.h>
#include "imfs.h"
#include "libio_.h"
/*
* Global information for the base file system.
*/
rtems_filesystem_location_info_t rtems_filesystem_current;
rtems_filesystem_location_info_t rtems_filesystem_root;
nlink_t rtems_filesystem_link_counts;
/*
* Default mode for created files.
*/
mode_t rtems_filesystem_umask;
/*
* rtems_filesystem_initialize
*
* Initialize the foundation of the file system with one instantiation
* of the IMFS with a single "/dev" directory in it.
*/
void rtems_filesystem_initialize( void )
{
#if !defined(RTEMS_UNIX)
int status;
rtems_filesystem_mount_table_entry_t *first_entry;
/*
* Set the default umask to "022".
*/
rtems_filesystem_umask = S_IWOTH | S_IROTH;
init_fs_mount_table();
status = mount(
&first_entry,
&IMFS_ops,
"RW",
NULL,
NULL );
if( status == -1 ){
rtems_fatal_error_occurred( 0xABCD0002 );
}
rtems_filesystem_link_counts = 0;
rtems_filesystem_root = first_entry->mt_fs_root;
rtems_filesystem_current = rtems_filesystem_root;
/*
* Traditionally RTEMS devices are under "/dev" so install this directory.
*
* If the mkdir() fails, we can't print anything so just fatal error.
*
* NOTE: UNIX root is 755 and owned by root/root (0/0).
*/
status = mkdir( "/dev", S_IRWXU | S_IRWXG | S_IRWXO );
if ( status != 0 )
rtems_fatal_error_occurred( 0xABCD0003 );
#endif
}
|