shithub: riscv

ref: 5fe49f9c71af29a0a5e790310cb55b1f6e1165ff
dir: /sys/src/9/

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