[libre-riscv-dev] how do we test external interrupts?

[Jacob Lifshay]

I found what looks like the reference source:
in
https://github.com/torvalds/linux/blob/ab02b61f24c76b1659086fcc8b00cbeeb6e95ac7/Documentation/virt/kvm/devices/xics.rst
> This device emulates the XICS (eXternal Interrupt Controller
Specification) defined in PAPR.

https://en.wikipedia.org/wiki/Power_Architecture_Platform_Reference

https://github.com/OpenPOWERFoundation/Linux-Architecture-Reference

Jacob