[07a3253d] | 1 | /* |
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| 2 | * Base file system initialization |
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| 3 | * |
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[08311cc3] | 4 | * COPYRIGHT (c) 1989-1999. |
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[07a3253d] | 5 | * On-Line Applications Research Corporation (OAR). |
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| 6 | * |
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| 7 | * The license and distribution terms for this file may be |
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| 8 | * found in the file LICENSE in this distribution or at |
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| 9 | * http://www.OARcorp.com/rtems/license.html. |
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| 10 | * |
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| 11 | * $Id$ |
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| 12 | */ |
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| 13 | |
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[9c49db4] | 14 | #if HAVE_CONFIG_H |
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| 15 | #include "config.h" |
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| 16 | #endif |
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| 17 | |
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[07a3253d] | 18 | #include <rtems.h> |
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| 19 | #include <rtems/libio.h> |
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[3ba74c73] | 20 | #include <rtems/libio_.h> |
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[07a3253d] | 21 | |
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| 22 | /* |
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| 23 | * Global information for the base file system. |
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| 24 | */ |
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| 25 | |
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[2a929cc] | 26 | rtems_user_env_t rtems_global_user_env; |
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| 27 | rtems_user_env_t * rtems_current_user_env = &rtems_global_user_env; |
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[07a3253d] | 28 | |
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| 29 | /* |
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| 30 | * Default mode for created files. |
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| 31 | */ |
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| 32 | |
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| 33 | |
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| 34 | /* |
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| 35 | * rtems_filesystem_initialize |
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| 36 | * |
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[7b0001f7] | 37 | * Initialize the foundation of the file system. This is specified |
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| 38 | * by the structure rtems_filesystem_mount_table. The usual |
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| 39 | * configuration is a single instantiation of the IMFS or miniIMFS with |
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| 40 | * a single "/dev" directory in it. |
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[07a3253d] | 41 | */ |
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| 42 | |
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| 43 | void rtems_filesystem_initialize( void ) |
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| 44 | { |
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[7a3878b] | 45 | #if !defined(RTEMS_UNIX) |
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[063e4950] | 46 | #if 0 |
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| 47 | int i; |
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| 48 | #endif |
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[07a3253d] | 49 | int status; |
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[063e4950] | 50 | rtems_filesystem_mount_table_entry_t *entry; |
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| 51 | rtems_filesystem_mount_table_t *mt; |
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| 52 | |
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[07a3253d] | 53 | /* |
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| 54 | * Set the default umask to "022". |
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| 55 | */ |
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| 56 | |
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| 57 | rtems_filesystem_umask = S_IWOTH | S_IROTH; |
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| 58 | |
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| 59 | init_fs_mount_table(); |
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| 60 | |
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[657e1bf6] | 61 | /* |
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| 62 | * mount the first filesystem. |
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| 63 | */ |
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| 64 | |
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[063e4950] | 65 | if ( rtems_filesystem_mount_table_size == 0 ) |
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| 66 | rtems_fatal_error_occurred( 0xABCD0001 ); |
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[07a3253d] | 67 | |
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[063e4950] | 68 | mt = &rtems_filesystem_mount_table[0]; |
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[07a3253d] | 69 | |
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[063e4950] | 70 | status = mount( |
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| 71 | &entry, mt->fs_ops, mt->fsoptions, mt->device, mt->mount_point ); |
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[07a3253d] | 72 | |
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[063e4950] | 73 | if ( status == -1 ) |
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| 74 | rtems_fatal_error_occurred( 0xABCD0002 ); |
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| 75 | |
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| 76 | rtems_filesystem_link_counts = 0; |
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| 77 | rtems_filesystem_root = entry->mt_fs_root; |
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| 78 | rtems_filesystem_current = rtems_filesystem_root; |
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[07a3253d] | 79 | |
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| 80 | /* |
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| 81 | * Traditionally RTEMS devices are under "/dev" so install this directory. |
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| 82 | * |
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| 83 | * If the mkdir() fails, we can't print anything so just fatal error. |
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| 84 | * |
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| 85 | * NOTE: UNIX root is 755 and owned by root/root (0/0). |
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| 86 | */ |
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| 87 | |
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| 88 | status = mkdir( "/dev", S_IRWXU | S_IRWXG | S_IRWXO ); |
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| 89 | if ( status != 0 ) |
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| 90 | rtems_fatal_error_occurred( 0xABCD0003 ); |
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[063e4950] | 91 | |
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| 92 | /* |
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| 93 | * This code if if'ed 0 out because you can't mount another |
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| 94 | * filesystem properly until the mount point it will be |
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| 95 | * mounted onto is created. Moreover, if it is going to |
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| 96 | * use a device, then it is REALLY unfair to attempt this |
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| 97 | * before device drivers are initialized. |
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| 98 | */ |
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| 99 | |
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| 100 | #if 0 |
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| 101 | /* |
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| 102 | * Now if there are other filesystems to mount, go for it. |
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| 103 | */ |
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| 104 | |
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| 105 | for ( i=1 ; i < rtems_filesystem_mount_table_size ; i++ ) { |
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| 106 | mt = &rtems_filesystem_mount_table[0]; |
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| 107 | |
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| 108 | status = mount( |
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| 109 | &entry, mt->fs_ops, mt->fsoptions, mt->device, mt->mount_point ); |
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| 110 | |
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| 111 | if ( status == -1 ) |
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| 112 | rtems_fatal_error_occurred( 0xABCD0003 ); |
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| 113 | } |
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| 114 | #endif |
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[7a3878b] | 115 | #endif |
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[07a3253d] | 116 | } |
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