tree bf65937fbfd27d509fca19af61996efdf20169f1
parent 8058a94f60a129476a7955ee839cec96467b9bef
author RARelph <44270374+RARelph@users.noreply.github.com> 1761861747 -0500
committer mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> 1762239110 +0000

MdePkg: Add code to detect running as an SEV guest

Similar to Intel's Tdx, we need a mechanism to detect running as
an AMD SEV guest that will work in all phases everywhere. This
will be immediately used to prevent usage of MTRRs with SEV guests.

Signed-off-by: Richard Relph <richard.relph@amd.com>