shithub: riscv

ref: f0a314605f1a6d56da34ac07bb4effe2dcff8c37
dir: /sys/src/9/

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