On 22/2/22 14:06, Peter Maydell wrote:
On Tue, 22 Feb 2022 at 12:56, Philippe Mathieu-Daudé
<philippe.mathieu.da...@gmail.com> wrote:
On 22/2/22 13:02, Markus Armbruster wrote:
Event RTC_CHANGE is "emitted when the guest changes the RTC time" (and
the RTC supports the event). What if there's more than one RTC?
w.r.t. RTC, a machine having multiple RTC devices is silly...
I don't think we have any examples in the tree currently, but
I bet real hardware like that does exist: the most plausible
thing would be a board where there's an RTC built into the SoC
but the board designers put an external RTC on the board (perhaps
because it was better/more accurate/easier to make battery-backed).
In fact, here's an old bug report from a user trying to get
their Debian system to use the battery-backed RTC as the
"real" one rather than the non-battery-backed RTC device
that's also part of the arm board they're using:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785445
OK, thanks for this pointer.
