Commit yaboot 1.3.0

[yaboot.git] / second / fs.c

diff --git a/second/fs.c b/second/fs.c
new file mode 100644 (file)
index 0000000..b5ba2ca
--- /dev/null
+++ b/second/fs.c
@@ -0,0 +1,51 @@
+/*
+    FileSystems common definitions
+
+    Copyright (C) 1999 Benjamin Herrenschmidt
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "stdlib.h"
+#include "fs.h"
+
+extern const struct fs_t       of_filesystem;
+extern const struct fs_t       of_net_filesystem;
+extern const struct fs_t       ext2_filesystem;
+extern const struct fs_t        reiserfs_filesystem;
+//extern const struct fs_t     iso_filesystem;
+
+/* Filesystem handlers yaboot knows about */
+static const struct fs_t *block_filesystems[] = {
+       &ext2_filesystem,               /* ext2 */
+       &reiserfs_filesystem,           /* reiserfs */
+       &of_filesystem,                 /* HFS/HFS+, ISO9660, UDF, UFS */
+       NULL
+};
+
+const struct fs_t *fs_of = &of_filesystem;              /* needed by ISO9660 */
+const struct fs_t *fs_of_netboot = &of_net_filesystem;  /* needed by file.c */
+
+const struct fs_t *
+fs_open( struct boot_file_t *file, const char *dev_name,
+         struct partition_t *part, const char *file_name)
+{
+    const struct fs_t **fs;
+    for( fs = block_filesystems; *fs; fs++ )
+        if( (*fs)->open( file, dev_name, part, file_name ) == FILE_ERR_OK )
+            break;
+
+    return *fs;
+}