* Patch by Daniel Engström, 13 Nov 2002:LABEL_2002_11_18_0115

  Add support for i386 architecture and AMD SC520 board

* Patch by Pierre Aubert, 12 Nov 2002:
  Add support for DOS filesystem and booting from DOS floppy disk

1 files changed, 117 insertions, 0 deletions

diff --git a/fs/fdos/fdos.h b/fs/fdos/fdos.h
new file mode 100644
index 000000000..18076d866
--- /dev/null
+++ b/fs/fdos/fdos.h
@@ -0,0 +1,117 @@
+/*
+ * (C) Copyright 2002
+ * Stäubli Faverges - <www.staubli.com>
+ * Pierre AUBERT  p.aubert@staubli.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#ifndef _FDOS_H_
+#define _FDOS_H_
+
+
+#undef	FDOS_DEBUG
+
+#ifdef	FDOS_DEBUG
+#define	PRINTF(fmt,args...)	printf (fmt ,##args)
+#else
+#define PRINTF(fmt,args...)
+#endif
+
+/* Data structure describing media                                           */
+typedef struct fs
+{
+    unsigned long       tot_sectors;
+
+    int                 cluster_size;
+    int                 num_clus;
+    
+    int                 fat_start;
+    int                 fat_len;
+    int                 nb_fat;
+    int                 num_fat;
+    
+    int                 dir_start;
+    int                 dir_len;
+
+    unsigned char       *fat_buf;
+    
+} Fs_t;
+
+/* Data structure describing one file system slot                            */
+typedef struct slot {
+    int (*map) (struct fs *fs,
+                struct slot *file,
+                int where,
+                int *len);
+    unsigned long FileSize;
+
+    unsigned short int FirstAbsCluNr;
+    unsigned short int PreviousAbsCluNr;
+    unsigned short int PreviousRelCluNr;
+
+    Directory_t dir;
+} Slot_t;
+
+typedef struct file {
+    char                *name;
+    int                 Case;
+    Fs_t                *fs;
+    Slot_t              subdir;
+    Slot_t              file;
+} File_t;
+
+
+/* dev.c                                                                     */
+int dev_read (void *buffer, int where, int len);
+int dev_open (void);
+int check_dev (BootSector_t *boot, Fs_t *fs);
+
+/* fat.c                                                                     */
+unsigned int fat_decode (Fs_t *fs, unsigned int num);
+int read_fat (BootSector_t *boot, Fs_t *fs);
+
+/* vfat.c                                                                    */
+int vfat_lookup (Slot_t *dir,
+                 Fs_t *fs,
+                 Directory_t *dirent,
+                 int *entry,
+                 int *vfat_start,
+                 char *filename, 
+                 int flags,
+                 char *outname,
+                 Slot_t *file);
+
+/* subdir.c                                                                  */
+char *basename (char *name);
+int open_subdir (File_t *desc);
+int open_file (Slot_t *file, Directory_t *dir);
+int read_file (Fs_t *fs,
+               Slot_t *file,
+               char *buf,
+               int where,
+               int len);
+void init_subdir (void);
+
+/* fs.c                                                                      */
+int fs_init (Fs_t *fs);
+
+
+#endif
+