shithub: riscv

ref: 8ebe3f680e9f343a13bfcaaa2e17745b701ec0c8
dir: /sys/src/9/

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