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UefiCpuPkg/MpInitLib: Produce EDKII microcode patch HOB

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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>
This commit is contained in:
Hao A Wu
2019-12-23 14:32:49 +08:00
committed by mergify[bot]
parent 253909974a
commit e1ed55738e
5 changed files with 100 additions and 8 deletions
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8
UefiCpuPkg/Library/MpInitLib/MpLib.c
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@@ -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
//