1 files changed, 0 insertions, 122 deletions
diff --git a/fs/fdos/fat.c b/fs/fdos/fat.c
deleted file mode 100644
index 408fec7600..0000000000
--- a/fs/fdos/fat.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * (C) Copyright 2002
- * Stäubli Faverges - <www.staubli.com>
- * Pierre AUBERT  p.aubert@staubli.com
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <config.h>
-#include <malloc.h>
-
-#include "dos.h"
-#include "fdos.h"
-
-
-/*-----------------------------------------------------------------------------
- * fat_decode --
- *-----------------------------------------------------------------------------
- */
-unsigned int fat_decode (Fs_t *fs, unsigned int num)
-{
-    unsigned int start = num * 3 / 2;
-    unsigned char *address = fs -> fat_buf + start;
-
-    if (num < 2 || start + 1 > (fs -> fat_len * SZ_STD_SECTOR))
-	return 1;
-
-    if (num & 1)
-	return ((address [1] & 0xff) << 4) | ((address [0] & 0xf0 ) >> 4);
-    else
-	return ((address [1] & 0xf) << 8) | (address [0] & 0xff );
-}
-/*-----------------------------------------------------------------------------
- * check_fat --
- *-----------------------------------------------------------------------------
- */
-static int check_fat (Fs_t *fs)
-{
-    int i, f;
-
-    /* Cluster verification                                                  */
-    for (i = 3 ; i < fs -> num_clus; i++){
-	f = fat_decode (fs, i);
-	if (f < FAT12_LAST && f > fs -> num_clus){
-	    /* Wrong cluster number detected                                 */
-	    return (-1);
-	}
-    }
-    return (0);
-}
-/*-----------------------------------------------------------------------------
- * read_one_fat --
- *-----------------------------------------------------------------------------
- */
-static int read_one_fat (BootSector_t *boot, Fs_t *fs, int nfat)
-{
-    if (dev_read (fs -> fat_buf,
-		  (fs -> fat_start + nfat * fs -> fat_len),
-		  fs -> fat_len) < 0) {
-	return (-1);
-    }
-
-    if (fs -> fat_buf [0] || fs -> fat_buf [1] || fs -> fat_buf [2]) {
-	if ((fs -> fat_buf [0] != boot -> descr &&
-	     (fs -> fat_buf [0] != 0xf9 || boot -> descr != MEDIA_STD)) ||
-	    fs -> fat_buf [0] < MEDIA_STD){
-	    /* Unknown Media                                                 */
-	    return (-1);
-	}
-	if (fs -> fat_buf [1] != 0xff || fs -> fat_buf [2] != 0xff){
-	    /* FAT doesn't start with good values                            */
-	    return (-1);
-	}
-    }
-
-    if (fs -> num_clus >= FAT12_MAX_NB) {
-	/* Too much clusters                                                 */
-	return (-1);
-    }
-
-    return check_fat (fs);
-}
-/*-----------------------------------------------------------------------------
- * read_fat --
- *-----------------------------------------------------------------------------
- */
-int read_fat (BootSector_t *boot, Fs_t *fs)
-{
-    unsigned int buflen;
-    int i;
-
-    /* Allocate Fat Buffer                                                   */
-    buflen = fs -> fat_len * SZ_STD_SECTOR;
-    if (fs -> fat_buf) {
-	free (fs -> fat_buf);
-    }
-
-    if ((fs -> fat_buf = malloc (buflen)) == NULL) {
-	return (-1);
-    }
-
-    /* Try to read each Fat                                                  */
-    for (i = 0; i< fs -> nb_fat; i++){
-	if (read_one_fat (boot, fs, i) == 0) {
-	    /* Fat is OK                                                     */
-	    fs -> num_fat = i;
-	    break;
-	}
-    }
-
-    if (i == fs -> nb_fat){
-	return (-1);
-    }
-
-    if (fs -> fat_len > (((fs -> num_clus + 2) *
-			  (FAT_BITS / 4) -1 ) / 2 /
-			 SZ_STD_SECTOR + 1)) {
-	return (-1);
-    }
-    return (0);
-}