Move RestoreSmmConfigurationInS3 function to PerformPreTasks().

In this way, we can centralize the silicon configuration in
PerformRemainingTasks()/PerformPreTasks() function.
If there are more features need to be configured, they can put in
PerformRemainingTasks()/PerformPreTasks() only.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: "Yao, Jiewen" <jiewen.yao@intel.com>
Reviewed-by: "Kinney, Michael D" <michael.d.kinney@intel.com>
Reviewed-by: "Laszlo Ersek" <lersek@redhat.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18938 6f19259b-4bc3-4df7-8a09-765794883524

UefiCpuPkg/PiSmmCpuDxeSmm/MpService.c

@@ -412,15 +412,9 @@ BSPHandler (
   AcquireSpinLockOrFail (&mSmmMpSyncData->CpuData[CpuIndex].Busy);
 
   //
-  // Restore SMM Configuration in S3 boot path.
+  // Perform the pre tasks
   //
-  if (mRestoreSmmConfigurationInS3) {
+  PerformPreTasks ();
-    //
-    // Configure SMM Code Access Check feature if available.
-    //
-    ConfigSmmCodeAccessCheck ();
-    mRestoreSmmConfigurationInS3 = FALSE;
-  }
 
   //
   // Invoke SMM Foundation EntryPoint with the processor information context.

UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.c

@@ -1437,3 +1437,25 @@ PerformRemainingTasks (
     mSmmReadyToLock = FALSE;
   }
 }
+
+/**
+  Perform the pre tasks.
+
+**/
+VOID
+PerformPreTasks (
+  VOID
+  )
+{
+  //
+  // Restore SMM Configuration in S3 boot path.
+  //
+  if (mRestoreSmmConfigurationInS3) {
+    //
+    // Configure SMM Code Access Check feature if available.
+    //
+    ConfigSmmCodeAccessCheck ();
+
+    mRestoreSmmConfigurationInS3 = FALSE;
+  }
+}

UefiCpuPkg/PiSmmCpuDxeSmm/PiSmmCpuDxeSmm.h

@@ -586,6 +586,15 @@ PerformRemainingTasks (
   VOID
   );
 
+/**
+  Perform the pre tasks.
+
+**/
+VOID
+PerformPreTasks (
+  VOID
+  );
+
 /**
   Initialize MSR spin lock by MSR index.