shithub: riscv

ref: 2f884a511663d8666770c779beba9a7661b3499a
dir: /sys/src/9/

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