Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff....@intel.com>
CC: Feng Tian <feng.t...@intel.com>
CC: Jiewen Yao <jiewen....@intel.com>
CC: Michael Kinney <michael.d.kin...@intel.com>
---
UefiCpuPkg/CpuMpPei/CpuMpPei.c | 8 ++++++++
UefiCpuPkg/CpuMpPei/CpuMpPei.h | 2 ++
UefiCpuPkg/CpuMpPei/CpuMpPei.inf | 1 +
3 files changed, 11 insertions(+)
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.c b/UefiCpuPkg/CpuMpPei/CpuMpPei.c
index a2f25b9..e39a813 100644
--- a/UefiCpuPkg/CpuMpPei/CpuMpPei.c
+++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.c
@@ -118,6 +118,10 @@ ApCFunction (
BistData = *(UINTN *) (PeiCpuMpData->Buffer + NumApsExecuting *
PeiCpuMpData->CpuApStackSize - sizeof (UINTN));
PeiCpuMpData->CpuData[NumApsExecuting].ApicId = GetInitialApicId ();
PeiCpuMpData->CpuData[NumApsExecuting].Health.Uint32 = (UINT32) BistData;
+ //
+ // Sync BSP's Mtrr table to all wakeup APs
+ //
+ MtrrSetAllMtrrs (&PeiCpuMpData->MtrrTable);
}
//
@@ -286,6 +290,10 @@ CountProcessorNumber (
{
//
+ // Store BSP's MTRR setting
+ //
+ MtrrGetAllMtrrs (&PeiCpuMpData->MtrrTable);
+ //
// Send broadcast IPI to APs to wakeup APs
//
PeiCpuMpData->InitFlag = 1;
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h b/UefiCpuPkg/CpuMpPei/CpuMpPei.h
index 3194f1f..466ddc0 100644
--- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h
+++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h
@@ -24,6 +24,7 @@
#include <Library/DebugLib.h>
#include <Library/HobLib.h>
#include <Library/LocalApicLib.h>
+#include <Library/MtrrLib.h>
#include <Library/PcdLib.h>
#include <Library/PeimEntryPoint.h>
#include <Library/PeiServicesLib.h>
@@ -115,6 +116,7 @@ struct _PEI_CPU_MP_DATA {
UINTN ApFunctionArgument;
volatile UINT32 FinishedCount;
BOOLEAN InitFlag;
+ MTRR_SETTINGS MtrrTable;
PEI_CPU_DATA *CpuData;
volatile MP_CPU_EXCHANGE_INFO *MpCpuExchangeInfo;
};
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.inf b/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
index 4d7ba3e..e195f8c 100644
--- a/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
+++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
@@ -53,6 +53,7 @@
DebugLib
HobLib
LocalApicLib
+ MtrrLib
PcdLib
PeimEntryPoint
PeiServicesLib
--
1.9.5.msysgit.0
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