ref: cbe4b116989c0bfec49b9ae7a1d9a85ead6648ae
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