ref: f8fd3d5d28472644f87484c3e7ef921fc31e0af5
dir: /sys/src/9/bcm/pi2/
dev root cons swap env pipe proc mnt srv shr dup arch tls cap fs bridge log ip arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium inferno draw screen swcursor mouse mouse uart gpio gpio gpio sd usb link archbcm2 usbdwc ethermedium loopbackmedium netdevmedium emmc ip tcp udp ipifc icmp icmp6 igmp ipmux misc armv7 uartmini sdmmc emmc dma vcore vfp3 coproc irq port int cpuserver = 0; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot