ref: 23f3d33cdbbfdf2f169f1d7c4acf1f947ed5f5c5 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