Changeset 8bc6fcf in mainline

Timestamp:

2008-10-26T17:58:19Z (16 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

a429bfb

Parents:

23b56ca

Message:

create a working (albeit empty) FAT16 filesystem

File:

• tools/mkfat.py (modified) (2 diffs)

tools/mkfat.py

@@ -95 +95 @@
 """
 
+EMPTY_SECTOR = """little:
+        padding[512]
+"""
+
 def usage(prname):
         "Print usage syntax"
@@ -145 +149 @@
         outf.write(boot_sector.pack())
         
+        empty_sector = xstruct.create(EMPTY_SECTOR)
+        
+        # Reserved sectors (boot_sector.reserved - boot_sector)
+        for i in range(1, boot_sector.reserved):
+                outf.write(empty_sector.pack())
+        
+        # FAT tables
+        for i in range(0, boot_sector.fats):
+                for j in range(0, boot_sector.fat_sectors):
+                        outf.write(empty_sector.pack())
+        
+        # Root directory
+        for i in range(0, root_size / sector_size):
+                outf.write(empty_sector.pack())
+        
+        # Data
+        for i in range(0, size / sector_size):
+                outf.write(empty_sector.pack())
+        
         outf.close()