ref: 6a79c7dbb322c021d6ccf8ae691d4977afb61324
dir: /sys/src/9/bcm/pi/
dev root cons swap env pipe proc mnt srv shr dup arch ssl tls cap fs ip arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium inferno draw screen swcursor mouse mouse uart gpio gpio gpio sd usb link loopbackmedium ethermedium archbcm usbdwc 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