shithub: riscv

ref: d13142b3daba5e76646cd36f718a1ff5ae9e25d4
dir: /sys/src/9/

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