On Thu, 20 Mar 2025 at 20:09, Peter Maydell <peter.mayd...@linaro.org> wrote: > If you need WFE to work, that's certainly feasible and something it would > be nice to see, but potentially quite a bit of work in the guts of QEMU's > arm emulation. (Basically going to sleep on WFE is easy but then making > sure that all the events and situations that need to wake up a WFE is > tedious. We implement sleep-on-WFI but not sleep-on-WFI because the set
should read "sleep-on-WFI but not sleep-on-WFE", of course. Oops... > of WFI-wakeup events is rather smaller than the WFE-wakeup events.) It's > been in the "we really should implement this but since the only downside > is the host CPUs spinning, we've never got round to it" bucket for years. -- PMM
