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/*
* Base file system initialization
*
* COPYRIGHT (c) 1989-1999.
* On-Line Applications Research Corporation (OAR).
*
* 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 <rtems/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. This is specified
* by the structure rtems_filesystem_mount_table. The usual
* configuration is a single instantiation of the IMFS or miniIMFS with
* a single "/dev" directory in it.
*/
void rtems_filesystem_initialize( void )
{
#if !defined(RTEMS_UNIX)
#if 0
int i;
#endif
int status;
rtems_filesystem_mount_table_entry_t *entry;
rtems_filesystem_mount_table_t *mt;
/*
* Set the default umask to "022".
*/
rtems_filesystem_umask = S_IWOTH | S_IROTH;
init_fs_mount_table();
/*
* mount the first filesystem.
*/
if ( rtems_filesystem_mount_table_size == 0 )
rtems_fatal_error_occurred( 0xABCD0001 );
mt = &rtems_filesystem_mount_table[0];
status = mount(
&entry, mt->fs_ops, mt->fsoptions, mt->device, mt->mount_point );
if ( status == -1 )
rtems_fatal_error_occurred( 0xABCD0002 );
rtems_filesystem_link_counts = 0;
rtems_filesystem_root = 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 );
/*
* This code if if'ed 0 out because you can't mount another
* filesystem properly until the mount point it will be
* mounted onto is created. Moreover, if it is going to
* use a device, then it is REALLY unfair to attempt this
* before device drivers are initialized.
*/
#if 0
/*
* Now if there are other filesystems to mount, go for it.
*/
for ( i=1 ; i < rtems_filesystem_mount_table_size ; i++ ) {
mt = &rtems_filesystem_mount_table[0];
status = mount(
&entry, mt->fs_ops, mt->fsoptions, mt->device, mt->mount_point );
if ( status == -1 )
rtems_fatal_error_occurred( 0xABCD0003 );
}
#endif
#endif
}
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