ref: 1cff9ab4e8412d5c6b6a3cbca720fbc4bcccecd9 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