ref: a6ccb66d9c0748d44cd622d6a700d1ad6447cada
dir: /sys/src/9/bcm/pi2/
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 i2c sd usb link archbcm2 usbdwc ethermedium loopbackmedium netdevmedium emmc # i2cbcm devi2c i2cgpio devi2c gpio ip tcp udp ipifc icmp icmp6 igmp ipmux misc armv7 uartmini sdmmc emmc dma vcore vfp3 coproc irq port int cpuserver = 0; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot