shithub: riscv

ref: 7dab4923247b4d07e63bdea80f6063a778d07d12
dir: /sys/src/9/

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