shithub: riscv

ref: 74272a8364547a7451f5e13f3988c75eb69ba3d7
dir: /sys/src/9/

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