ref: 8e329c2f1dae762c0f26dbc2d98f9b47e2c0e643 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