shithub: riscv

ref: 4e81aab690a17910e221af2a7eeaf6f2309524ac
dir: /sys/src/9/

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