ref: 4983adfa2cd403eda22d862917c2ff5ed35b48b3
dir: /sys/src/9/bcm/picpuf/
dev root cons swap env pipe proc mnt srv shr dup arch ssl tls cap fs ip arp chandial ip ipv6 ipaux iproute netlog nullmedium pktmedium inferno draw screen swcursor mouse mouse uart sd usb link ethermedium archbcm usbdwc ip tcp udp ipifc icmp icmp6 ipmux il misc uartmini sdmmc emmc dma vcore vfp3 coproc port int cpuserver = 1; bootdir /$objtype/bin/paqfs /$objtype/bin/auth/factotum bootfs.paq boot