shithub: riscv

ref: 7250c438bb124f76aa006dad47b5a3b8f277d1b7
dir: /sys/src/9/

bcm/
boot/
ip/
kw/
mkfile
mtx/
omap/
pc/
pc64/
port/
ppc/
sgi/
teg2/
xen/
zynq/