shithub: riscv

ref: fa5bd7121846bae31ede5d6851a5091e9c16683a
dir: /sys/src/9/

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