This is a way to send a very generic poke to the workload so it can do something. It's up to the workload to know what information to look for to interpret an event, such as what PC it came from, what register values are, or the context of the workload itself (is this SE mode? which OS is running?). Change-Id: Ifa4bdf3b5c5a934338c50600747d0b65f4b5eb2b Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34162 Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com> Maintainer: Andreas Sandberg <andreas.sandberg@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>