shithub: riscv

ref: f70ebd8e628b12973b12da12fa83aa67f39f2efa
dir: /sys/src/9/

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