4de216c016
Add GetApLoopMode() that will get PCD PcdCpuApLoopMode firstly. If it is ApInMwaitLoop, we will check if MONITOR/MWAIT feature supported by CPUID. If MONITOR/MWAIT feature is not supported, force AP loop mode to ApInHltLoop. GetApLoopMode() also return the largest line size required. Contributed-under: TianoCore Contribution Agreement 1.0 Cc: Feng Tian <feng.tian@intel.com> Cc: Michael Kinney <michael.d.kinney@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <jeff.fan@intel.com> Signed-off-by: Michael Kinney <michael.d.kinney@intel.com> Tested-by: Michael Kinney <michael.d.kinney@intel.com> Reviewed-by: Michael Kinney <michael.d.kinney@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19343 6f19259b-4bc3-4df7-8a09-765794883524