ref: 5fd2e746e1a2a00d2acbc0c3b1924b1ea22101e8
dir: /sys/src/9/xen/xenpcf/
dev root netif cons swap uart arch env pipe proc mnt srv shr dup rtc ssl 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 gre ipmux esp il port int cpuserver = 0; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot xenstore