UefiCpuPkg/CpuMpPei: Sync BPS's mtrr setting to APs
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17999 6f19259b-4bc3-4df7-8a09-765794883524
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 @@
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 @@
{
//
+ // 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 @@
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