forked from Imagelibrary/rtems
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
/*
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* Base file system initialization
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*
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* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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* Copyright assigned to U.S. Government, 1994.
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.OARcorp.com/rtems/license.html.
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*
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* $Id$
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*/
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#include <rtems.h>
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#include <rtems/libio.h>
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#include "imfs.h"
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#include "libio_.h"
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/*
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* Global information for the base file system.
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*/
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rtems_filesystem_location_info_t rtems_filesystem_current;
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rtems_filesystem_location_info_t rtems_filesystem_root;
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nlink_t rtems_filesystem_link_counts;
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/*
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* Default mode for created files.
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*/
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mode_t rtems_filesystem_umask;
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/*
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* rtems_filesystem_initialize
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*
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* Initialize the foundation of the file system with one instantiation
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* of the IMFS with a single "/dev" directory in it.
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*/
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void rtems_filesystem_initialize( void )
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{
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#if !defined(RTEMS_UNIX)
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int status;
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rtems_filesystem_mount_table_entry_t *first_entry;
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/*
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* Set the default umask to "022".
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*/
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rtems_filesystem_umask = S_IWOTH | S_IROTH;
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init_fs_mount_table();
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status = mount(
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&first_entry,
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&IMFS_ops,
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RTEMS_FILESYSTEM_READ_WRITE,
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NULL,
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NULL );
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if( status == -1 ){
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rtems_fatal_error_occurred( 0xABCD0002 );
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}
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rtems_filesystem_link_counts = 0;
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rtems_filesystem_root = first_entry->mt_fs_root;
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rtems_filesystem_current = rtems_filesystem_root;
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/*
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* Traditionally RTEMS devices are under "/dev" so install this directory.
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*
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* If the mkdir() fails, we can't print anything so just fatal error.
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*
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* NOTE: UNIX root is 755 and owned by root/root (0/0).
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*/
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status = mkdir( "/dev", S_IRWXU | S_IRWXG | S_IRWXO );
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if ( status != 0 )
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rtems_fatal_error_occurred( 0xABCD0003 );
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#endif
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}
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