Looks good - thanks.
There are a few style issues:
First, this patch came through as quoted-printable, with some lines
wrapped. I'd be interested to learn how other people are dealing with
this, since I've not seen complaints since Lazslo left the project.
Are people saving the _formatted_
App goes through ID_AA64*_EL1 system registers and decode their values.
First version which does not use much of current AArch64 support code
present in EDK2. Written to check what data is there and what can be
done with it.
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.../Application/ArmCpuInfo/ArmCpuInfo.c | 2277 +++