shithub: riscv

ref: ec60da4961b4acff96631e7b99c90a0f4500dbed
dir: /sys/src/9/

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