One main reason could be your polling functions as UEFI doesn't have
interrupts.





On Tue, Dec 24, 2013 at 5:56 PM, boot devel <[email protected]> wrote:

> Hi,
>
>  My legacy optionrom driver downloads windows boot image over PXE in few
> seconds but uefi optionrom is taking several minutes, what could be the
> reason and any configuration to speed up boot image download?
>
> Driver code is compiled in MdeModulePkg/Bus/Pci/Mydriver
> INF file Module_type = DXE_RUNTIME_DRIVER
>
> Thanks
>
>
>
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-- 
Thanks
Neeraj
------------------------------------------------------------------------------
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