shithub: riscv

ref: 4b507ed83d4082d7001a1b8b78e7338c2beb2c38
dir: /sys/src/9/

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