private void writeRoot(Mfs mfs) throws Exception {
TivoDisk disk = mfs.getBootDisk();
MfsHeader mfsHeader = (disk == null) ? null : disk.getMfsHeader();
if (mfsHeader != null) {
PartitionEntry pe = mfsHeader.getParent();
// Utils.printf( System.out, "Writing MFS header on %s: %s", disk.getName(), mfsHeader );
Utils.write(Utils.seekBlock(disk, pe.getStartBlock()), mfsHeader);
long roundedSize = Utils.roundDown(pe.getSizeBlocks(), MfsView.VOLUME_SIZE_ROUNDING);
Utils.write(Utils.seekBlock(disk, pe.getStartBlock() + roundedSize - 1), mfsHeader);
}
}
private AppleDisk findLargestFreeSpace(Mfs mfs) throws Exception {
// find the disk with largest free space available
Map<String, TivoDisk> disks = mfs.getDisks();
TivoDisk largest = null;
if ((disks == null) || disks.isEmpty())
throw new Exception("No disks - MFS has not been initialized");
for (TivoDisk disk : disks.values()) {
if ((largest == null) || (largest.getAllocatableBlocks() < disk.getAllocatableBlocks()))
largest = disk;
}
return largest;
}