shithub: riscv

ref: ca8ca008f4ab7074971a35e08de9a46cb9b5d5ab
dir: /sys/src/9/

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