> On Aug 14, 2015, at 3:57 AM, Michael Zimmermann <sigmaepsilo...@gmail.com> 
> wrote:
> 
> 
> I registered a data Hob from the ARM PrePI(2ndstage) phase like this:
> BuildGuidDataHob (&gLKApiAddrGuid, &mLKApiAddress, sizeof mLKApiAddress);
> 
> Unfortunately this hob is not available in later phase anymore(DXE+). When
> I use 'GetFirstGuidHob (&gLKApiAddrGuid);' it just returns NULL.
> 
> Is there a way to make this Hob persistent across all phases?

What Phase are you talking about? Most of EFI goes away when the OS calls 
gBS->ExitBootServices().

Thanks,

Andrew Fish

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