shithub: riscv

ref: 4fd68773e2c5935b1b5bce0376ced783f87c7934
dir: /sys/src/9/

bcm/
boot/
ip/
kw/
mkfile
mtx/
omap/
pc/
pc64/
port/
ppc/
sgi/
teg2/
xen/
zynq/