[SeaBIOS] [PATCH] acpi: fix irq 8 ressource conflict
kevin at koconnor.net
Wed Dec 5 23:31:25 CET 2012
On Wed, Dec 05, 2012 at 10:13:57AM +0100, Gerd Hoffmann wrote:
> Both hpet and rtc have irq 8 in their ressources, making windows unhappy
> because of the conflict. Fix this by making rtc check whenever the hpet
> is present, and claim irq 8 only in case it isn't. So rtc gets irq 8
> only in case you start qemu with the -no-hpet switch.
> Verified working in both linux (check pnp boot messages) and windows
> (check rtc ressources in device manager) guests.
Thanks. It looks like ConcatenateResTemplate wasn't in the ACPI 1.0
spec, so I think we should try to avoid using it. (I know it's used
by the 64bit PCI code, but any machine supporting 64bit PCI is likely
to have a more recent OS.)
I put together a slightly modified patch - see separate email.
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