shithub: riscv

ref: b4cdfc6c5517390d6be05b2c01e56bacc9e85ea8
dir: /sys/src/9/

alphapc/
bcm/
bitsy/
boot/
ip/
kw/
mkfile
mtx/
omap/
omap4/
pc/
port/
ppc/
teg2/