ref: a72a4c8b91dd7e0cd644963fe2a50fb07685e4d6
dir: /sys/src/9/bcm64/pi3/
dev root cons swap env pipe proc mnt srv shr dup arch 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 dtracy link loopbackmedium ethermedium archbcm3 usbdwc 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