ref: 064ea89caa3d8b2183ad5827ee124c1213286e0c
dir: /sys/src/9/ppc/ucu/
dev root cons env pipe proc mnt srv dup ssl cap kprof uart ether netif ip arp chandial ip ipv6 ipaux iproute netif netlog nullmedium pktmedium ptclbsum inferno ce link ethersaturn ethermedium netdevmedium misc uartsaturn saturntimer msaturn ip tcp udp ipifc icmp icmp6 port int cpuserver = 1; boot cpu tcp bootdir /power/bin/rc /rc/lib/rcmain /power/bin/bind /power/bin/sed /power/bin/srv /power/bin/cat /power/bin/cp /power/bin/rm /power/bin/echo /power/bin/mount /power/bin/sleep /power/bin/auth/factotum /power/bin/ip/ipconfig /power/bin/ls /power/bin/ps /power/bin/auth/wrkey /sys/lib/sysconfig/blast/boot