ref: b68b2cd425a4ab62b6fb62d5906d2f1de5a8f1a6 dir: /sys/src/cmd/aux/flashfs/mkit/
#!/bin/rc echo 0 0 0 0 0 16 16384 > fs.filectl 8.mkflashfs -n 16 -z 16384 -f fs.file