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UefiCpuPkg/MpInitLib: Use BSP uCode for APs if possible.

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Search uCode costs much time, if AP has same processor type
with BSP, AP can use BSP saved uCode info to get better performance.

This change enables this solution.

Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
This commit is contained in:
Eric Dong
2018-07-11 19:07:28 +08:00
parent 6936ee0342
commit 2a08913443
3 changed files with 45 additions and 7 deletions
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11
UefiCpuPkg/Library/MpInitLib/MpLib.h
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@@ -245,6 +245,11 @@ struct _CPU_MP_DATA {
BOOLEAN TimerInterruptState;
UINT64 MicrocodePatchAddress;
UINT64 MicrocodePatchRegionSize;
UINT32 ProcessorSignature;
UINT32 ProcessorFlags;
UINT64 MicrocodeDataAddress;
UINT32 MicrocodeRevision;
};
extern EFI_GUID mCpuInitMpLibHobGuid;
@@ -546,11 +551,13 @@ CheckAndUpdateApsStatus (
/**
Detect whether specified processor can find matching microcode patch and load it.
@param[in] CpuMpData The pointer to CPU MP Data structure.
@param[in] CpuMpData The pointer to CPU MP Data structure.
@param[in] IsBspCallIn Indicate whether the caller is BSP or not.
**/
VOID
MicrocodeDetect (
IN CPU_MP_DATA *CpuMpData
IN CPU_MP_DATA *CpuMpData,
IN BOOLEAN IsBspCallIn
);
/**