Added support for configuring base filesystem. First attempt at

a full mount table at initialization.  This is the wrong place
to mount filesystems 2-n since no device drivers are initialized
yet.

c/src/exec/libcsupport/src/base_fs.c

@@ -41,9 +41,13 @@ mode_t rtems_filesystem_umask;
 void rtems_filesystem_initialize( void )
 {
 #if !defined(RTEMS_UNIX)
+#if 0
+  int                                   i;
+#endif
   int                                   status;
-  rtems_filesystem_mount_table_entry_t *first_entry;
+  rtems_filesystem_mount_table_entry_t *entry;
-
+  rtems_filesystem_mount_table_t       *mt;
+  
   /*
    *  Set the default umask to "022".
    */
@@ -54,26 +58,22 @@ void rtems_filesystem_initialize( void )
 
   /*
    *  mount the first filesystem.
-   *
-   *  NOTE: XXX This really needs to be read from a table of filesystems
-   *        to mount initially and the miniIMFS needs to be shaken out.
    */
 
-  status = mount( 
+  if ( rtems_filesystem_mount_table_size == 0 )
-     &first_entry,
+    rtems_fatal_error_occurred( 0xABCD0001 );
-     &IMFS_ops,
+
-     RTEMS_FILESYSTEM_READ_WRITE,
+  mt = &rtems_filesystem_mount_table[0];
-     NULL,
+
-     NULL );
+  status = mount(
-  if( status == -1 ){
+     &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_root    = first_entry->mt_fs_root;
+  rtems_filesystem_current     = rtems_filesystem_root;
-
-  rtems_filesystem_current = rtems_filesystem_root;
 
   /*
    *  Traditionally RTEMS devices are under "/dev" so install this directory.
@@ -86,5 +86,29 @@ void rtems_filesystem_initialize( void )
   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
 }

c/src/lib/libc/base_fs.c

@@ -41,9 +41,13 @@ mode_t rtems_filesystem_umask;
 void rtems_filesystem_initialize( void )
 {
 #if !defined(RTEMS_UNIX)
+#if 0
+  int                                   i;
+#endif
   int                                   status;
-  rtems_filesystem_mount_table_entry_t *first_entry;
+  rtems_filesystem_mount_table_entry_t *entry;
-
+  rtems_filesystem_mount_table_t       *mt;
+  
   /*
    *  Set the default umask to "022".
    */
@@ -54,26 +58,22 @@ void rtems_filesystem_initialize( void )
 
   /*
    *  mount the first filesystem.
-   *
-   *  NOTE: XXX This really needs to be read from a table of filesystems
-   *        to mount initially and the miniIMFS needs to be shaken out.
    */
 
-  status = mount( 
+  if ( rtems_filesystem_mount_table_size == 0 )
-     &first_entry,
+    rtems_fatal_error_occurred( 0xABCD0001 );
-     &IMFS_ops,
+
-     RTEMS_FILESYSTEM_READ_WRITE,
+  mt = &rtems_filesystem_mount_table[0];
-     NULL,
+
-     NULL );
+  status = mount(
-  if( status == -1 ){
+     &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_root    = first_entry->mt_fs_root;
+  rtems_filesystem_current     = rtems_filesystem_root;
-
-  rtems_filesystem_current = rtems_filesystem_root;
 
   /*
    *  Traditionally RTEMS devices are under "/dev" so install this directory.
@@ -86,5 +86,29 @@ void rtems_filesystem_initialize( void )
   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
 }

cpukit/libcsupport/src/base_fs.c

@@ -41,9 +41,13 @@ mode_t rtems_filesystem_umask;
 void rtems_filesystem_initialize( void )
 {
 #if !defined(RTEMS_UNIX)
+#if 0
+  int                                   i;
+#endif
   int                                   status;
-  rtems_filesystem_mount_table_entry_t *first_entry;
+  rtems_filesystem_mount_table_entry_t *entry;
-
+  rtems_filesystem_mount_table_t       *mt;
+  
   /*
    *  Set the default umask to "022".
    */
@@ -54,26 +58,22 @@ void rtems_filesystem_initialize( void )
 
   /*
    *  mount the first filesystem.
-   *
-   *  NOTE: XXX This really needs to be read from a table of filesystems
-   *        to mount initially and the miniIMFS needs to be shaken out.
    */
 
-  status = mount( 
+  if ( rtems_filesystem_mount_table_size == 0 )
-     &first_entry,
+    rtems_fatal_error_occurred( 0xABCD0001 );
-     &IMFS_ops,
+
-     RTEMS_FILESYSTEM_READ_WRITE,
+  mt = &rtems_filesystem_mount_table[0];
-     NULL,
+
-     NULL );
+  status = mount(
-  if( status == -1 ){
+     &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_root    = first_entry->mt_fs_root;
+  rtems_filesystem_current     = rtems_filesystem_root;
-
-  rtems_filesystem_current = rtems_filesystem_root;
 
   /*
    *  Traditionally RTEMS devices are under "/dev" so install this directory.
@@ -86,5 +86,29 @@ void rtems_filesystem_initialize( void )
   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
 }