ref: a08bf6831f5122fc9bfc6dccf77096f6ac2e4d03
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