[SeaBIOS] [PATCH] lest pretend that RTC can be used to wakeup from S4

Kevin O'Connor kevin at koconnor.net
Sun Jan 30 16:03:06 CET 2011

On Sun, Jan 30, 2011 at 03:30:43PM +0100, Peter Stuge wrote:
> Gleb Natapov wrote:
> > > > WHQL complains otherwise.
> > > 
> > > Is there something further that should be activated, to actually
> > > allow the wakeup to work? Hm, isn't S4 hibernate?
> > 
> > Not in a bios. Qemu currently exits on S4 (hibernate to disk). Restarting
> > it activates resume process. On real HW RTC may be programmed to initiate
> > resume at certain time. Since qemu process exits on S4 it is not clear
> > how to implement such functionality there.
> All right, but that can be solved somewhere closer to QEMU. :) As you
> know, SeaBIOS is also used outside QEMU, and maybe more action is
> needed there.

The ACPI code in SeaBIOS is only used on emulators - it's all compiled
out on coreboot.


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