ref: 1c08b2c8260b55aeadc7fbe8cb8f59a18a22ed45
dir: /sys/src/9/xen/xenpcf/
dev root netif cons swap uart arch env pipe proc mnt srv shr dup rtc tls cap kprof fs xenstore ether netif ip arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium inferno sd link etherxen ethermedium netdevmedium loopbackmedium misc archxen sdxen uartxen ip tcp udp rudp ipifc icmp icmp6 igmp gre ipmux esp il port int cpuserver = 0; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot xenstore