9293d6e42e
If APs is in HLT-LOOP mode, we need AP reset vector for waking up APs. This updating is to save/restore original contents of AP reset vector around waking up APs always. https://bugzilla.tianocore.org/show_bug.cgi?id=500 Cc: Feng Tian <feng.tian@intel.com> Cc: Michael Kinney <michael.d.kinney@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com>