ref: 3b1e582fc6dc1904a28b1cf71ea0b7e1c47f3f35 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