Messages in this thread | | | Date | Sun, 14 Nov 2021 12:37:42 +0100 | From | "Sven Peter" <> | Subject | Re: [PATCH 2/2] watchdog: Add Apple SoC watchdog driver |
| |
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
| |