ref: c1cf36fbb4a5b7a47f773e95fb8efe0b6d5c3c28 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