ref: f23cb0a4664efb033b4a9b306bdd577f540cd69a
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; boot cpu tcp bootdir bootmtxcpu.out boot ipconfig.hack ipconfig factotum.hack factotum