UefiCpuPkg/MpInitLib: Produce EDKII microcode patch HOB

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2430

This commit will update the MpInitLib to:

A. Collect the base address and size information after microcode patches
   being loaded into memory;
B. Collect the detected microcode patch for each processor within system;
C. Based on the collected information, produce the EDKII microcode patch
   HOB.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Signed-off-by: Hao A Wu <hao.a.wu@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.c b/UefiCpuPkg/Library/MpInitLib/MpLib.c
index c72bf3c9ee..e611a8ca40 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.c
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.c
@@ -399,12 +399,16 @@ ApInitializeSync (
   )

 {

   CPU_MP_DATA  *CpuMpData;

+  UINTN        ProcessorNumber;

+  EFI_STATUS   Status;

 

   CpuMpData = (CPU_MP_DATA *) Buffer;

+  Status = GetProcessorNumber (CpuMpData, &ProcessorNumber);

+  ASSERT_EFI_ERROR (Status);

   //

   // Load microcode on AP

   //

-  MicrocodeDetect (CpuMpData, FALSE);

+  MicrocodeDetect (CpuMpData, ProcessorNumber);

   //

   // Sync BSP's MTRR table to AP

   //

@@ -1761,7 +1765,7 @@ MpInitLibInitialize (
   //

   // Detect and apply Microcode on BSP

   //

-  MicrocodeDetect (CpuMpData, TRUE);

+  MicrocodeDetect (CpuMpData, CpuMpData->BspNumber);

   //

   // Store BSP's MTRR setting

   //