ref: 26f0aa33d91442fc7a56fc5f5c9b56b5f5f84ce2 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