Changeset b0fecad in mainline

Timestamp:

2012-02-22T20:28:18Z (13 years ago)

Author:

Maurizio Lombardi <m.lombardi85@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6aeab59c

Parents:

3938375

Message:

mkexfat: Fix FAT initialization

• Allocate clusters for the Root directory entry, the allocation bitmap and the upcase table;
• Not the entire FAT was cleared.

File:

• uspace/app/mkexfat/mkexfat.c (modified) (1 diff)

uspace/app/mkexfat/mkexfat.c ¶

@@ -319 +319 @@
         pfat[1] = host2uint32_t_le(0xFFFFFFFF);
 
+        /* Allocate clusters for the bitmap, upcase table
+         * and the root directory.
+         */
+        pfat[2] = host2uint32_t_le(0xFFFFFFFF);
+        pfat[3] = host2uint32_t_le(0xFFFFFFFF);
+        pfat[4] = host2uint32_t_le(0xFFFFFFFF);
+
         rc = block_write_direct(service_id, FAT_SECTOR_START, 1, pfat);
         if (rc != EOK)
                 goto error;
 
-        pfat[0] = pfat[1] = 0x00000000;
-
-        for (i = 1; i < cfg->fat_sector_count; ++i) {
+        memset(pfat, 0, 5 * sizeof(uint32_t));
+
+        for (i = 1; i < cfg->fat_sector_count + 1; ++i) {
                 rc = block_write_direct(service_id,
-                    FAT_SECTOR_START + i + 1, 1, pfat);
+                    FAT_SECTOR_START + i, 1, pfat);
                 if (rc != EOK)
                         goto error;