shithub: riscv

ref: 3c2b09c9dc9b3bb1b7177f7683002c86d38fcaa0
dir: /sys/src/9/

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