shithub: riscv

ref: db70c1d20da3738467a9cbc0ebcfd8ebe9e4ccd8
dir: /sys/src/9/

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