shithub: riscv

ref: 54e1b8431e7888fc194fa1b45daf57e70ca78dd1
dir: /sys/src/9/

bcm/
bcm64/
boot/
cycv/
ip/
kw/
mkfile
mtx/
omap/
pc/
pc64/
port/
ppc/
sgi/
teg2/
xen/
zynq/