ref: 1c69507294bb5f6f4841b96b07b2c4dcc9bfbe28 dir: /sys/src/9/boot/disk.proto/
$objtype bin 9660srv cfs cwfs64x disk cryptsetup edisk fdisk prep dossrv gefs hjfs rc lib local.rc 555 sys sys ../boot/local.rc bin fstype diskparts