shithub: riscv

ref: 7776180407351d8b34e8110123a579dca5f8d918
dir: /sys/src/9/

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