shithub: riscv

ref: 1e3790f7b5a7d5a01d63afe3956b36fa2d11ed0c
dir: /sys/src/9/

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