ref: 2f4c39ec2bf7a5eb84ed1a7c810a0a85b2e47cd0 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