shithub: riscv

ref: cdc0b89d816aab6322e04f715019a7f8da2f2b75
dir: /sys/src/9/

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