ref: 183f700a208c3af2102cec0a3a362ba4c8160165
dir: /sys/src/9/mtx/mtxcpu/
dev root cons arch pnp pci env pipe proc mnt srv dup ssl cap kprof uart rtc ether netif ip arp chandial ip ipv6 ipaux iproute netif netlog nullmedium pktmedium ptclbsum inferno link ether2114x pci ethermedium netdevmedium misc uarti8250 ip tcp udp ipifc icmp icmp6 port int cpuserver = 1; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot