shithub: riscv

ref: 40bc0b9de717c9f7cfadcca1d6d21bb115b3e8bb
dir: /sys/src/9/

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