shithub: riscv

ref: 5aa501870b9aa8095ae3bff7d39f55225a7b46b1
dir: /sys/src/9/

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