ref: f02c92a5fb2d18e1248a67b15cd2ec7dcea2b4d7
dir: /sys/src/9/bcm/pi/
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 archbcm usbdwc ethermedium loopbackmedium netdevmedium emmc # i2cbcm devi2c i2cgpio devi2c gpio ip tcp udp ipifc icmp icmp6 igmp 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