shithub: riscv

ref: 1da1ac52d201bdc6656b91a4b1792581120b2d09
dir: /sys/src/9/

bcm/
bcm64/
boot/
cycv/
ip/
kw/
mkfile
mtx/
omap/
pc/
pc64/
port/
ppc/
sgi/
teg2/
xen/
zynq/