ref: cbe4b116989c0bfec49b9ae7a1d9a85ead6648ae
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 emmc ip tcp udp ipifc icmp icmp6 igmp 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