ref: c7ec663a0bf490169a910a3bba6ff5ba094a4b4e
dir: /sys/src/9/bcm64/pi3/
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 dtracy link archbcm3 usbdwc ethermedium loopbackmedium netdevmedium ip tcp udp ipifc icmp icmp6 ipmux misc uartmini uartpl011 sdmmc emmc dma vcore irq dtracysys dtracytimer port int cpuserver = 0; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot