ref: 4af7932f22831bfcce8c3978d7645b0dd0657cf4
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