ref: 6ab9e11da20a152076c1201c0f1df2ea8469ebb0
dir: /sys/src/9/bcm/pi/
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 archbcm usbdwc ethermedium loopbackmedium netdevmedium ip tcp udp ipifc icmp icmp6 ipmux misc armv6 uartmini sdmmc emmc dma vcore vfp3 coproc irq port int cpuserver = 0; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot