shithub: riscv

ref: 2d06aac2abbd22757b6aa33b4fdc0c9ead4b7d50
dir: /sys/src/9/

alphapc/
bcm/
bitsy/
boot/
ip/
kw/
mkfile
mtx/
omap/
omap4/
pc/
pc64/
port/
ppc/
teg2/
xen/