shithub: riscv

ref: 66531b005f61368f6f8edcd7641b3894ff8d4c29
dir: /sys/src/9/

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