On Sat, Nov 13, 2021, at 16:24, Alyssa Rosenzweig wrote: >> + * This HW block has three separate watchdogs. WD0 resets the machine >> + * to recovery mode and is not very useful for us. WD1 and WD2 trigger a normal >> + * machine reset. WD0 additionally supports a configurable interrupt. > > Do we have any idea what the difference between WD1 and WD2 is? I've never seen macOS write to WD2 when running in our hypervisor and only found that one when I was looking at the rest of the MMIO region. >From what I can tell it works exactly like WD1. Sven
