It is two ROM images loaded in flash separately. Loading into memory is not a
problem, but if they are executed interchangeably will the initialization
routines of OptionROM and BSD be called every time before the switch happens?
And whether the system firmware make sure both the services will not be used at
same time?
Thanks
Sathya
From: Ramesh Raju [mailto:rame...@ami.com]
Sent: Wednesday, October 24, 2012 10:32 PM
To: 'edk2-devel@lists.sourceforge.net'
Subject: Re: [edk2] Both legacy OpROM and UEFI BSD loaded
Sathya,
I assume that both the images are packed in single option rom. Normal case
will be, load only one image from option rom. But it's really depend on the
UEFI firmware. They might loaded both the images to support both UEFI and
Legacy OS booting.
Thanks,
Ramesh
From: Prakash, Sathya [mailto:sathya.prak...@lsi.com]
Sent: Wednesday, October 24, 2012 1:41 AM
To: edk2-devel@lists.sourceforge.net<mailto:edk2-devel@lists.sourceforge.net>
Subject: [edk2] Both legacy OpROM and UEFI BSD loaded
Hello All,
In our add-on controllers we flash both UEFI and Legacy OptionROM images and we
have seen in some platforms both legacy OpROM and UEFI BSD are loaded by the
UEFI system firmware. Is it acceptable case and if so do the system firmware
can have the possibility of executing either of them in a interchangeable way
(means whether the images or just loaded in memory are they both get executed
simulatenously?)
PS: How the add on controllers has to behave for this?
Thanks
Sathya
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