shithub: riscv

ref: c4e51c5678d7f359bf0d33dba8f0bd422d979725
dir: /sys/src/9/

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