MdeModulePkg: Add performance property configuration table

[mirror_edk2.git] / MdeModulePkg / Library / SmmCorePerformanceLib / SmmCorePerformanceLib.c

diff --git a/MdeModulePkg/Library/SmmCorePerformanceLib/SmmCorePerformanceLib.c b/MdeModulePkg/Library/SmmCorePerformanceLib/SmmCorePerformanceLib.c
index 6f8d2dd064a3920b8715f9c1b42eda346abb3c3e..a03a8c8dcc4679d5d93533e5f32db13f319c6762 100644 (file)
--- a/MdeModulePkg/Library/SmmCorePerformanceLib/SmmCorePerformanceLib.c
+++ b/MdeModulePkg/Library/SmmCorePerformanceLib/SmmCorePerformanceLib.c
@@ -69,6 +69,8 @@ PERFORMANCE_EX_PROTOCOL mPerformanceExInterface = {
   GetGaugeEx\r
 };\r
 \r
+PERFORMANCE_PROPERTY mPerformanceProperty;\r
+\r
 /**\r
   Searches in the gauge array with keyword Handle, Token, Module and Identfier.\r
 \r
@@ -687,6 +689,7 @@ InitializeSmmCorePerformanceLib (
 {\r
   EFI_STATUS                Status;\r
   EFI_HANDLE                Handle;\r
+  PERFORMANCE_PROPERTY      *PerformanceProperty;\r
 \r
   //\r
   // Initialize spin lock\r
@@ -725,6 +728,21 @@ InitializeSmmCorePerformanceLib (
   ASSERT_EFI_ERROR (Status);\r
   Status = gSmst->SmiHandlerRegister (SmmPerformanceHandlerEx, &gSmmPerformanceExProtocolGuid, &Handle);\r
   ASSERT_EFI_ERROR (Status);\r
+\r
+  Status = EfiGetSystemConfigurationTable (&gPerformanceProtocolGuid, &PerformanceProperty);\r
+  if (EFI_ERROR (Status)) {\r
+    //\r
+    // Install configuration table for performance property.\r
+    //\r
+    mPerformanceProperty.Revision  = PERFORMANCE_PROPERTY_REVISION;\r
+    mPerformanceProperty.Reserved  = 0;\r
+    mPerformanceProperty.Frequency = GetPerformanceCounterProperties (\r
+                                       &mPerformanceProperty.TimerStartValue,\r
+                                       &mPerformanceProperty.TimerEndValue\r
+                                       );\r
+    Status = gBS->InstallConfigurationTable (&gPerformanceProtocolGuid, &mPerformanceProperty);\r
+    ASSERT_EFI_ERROR (Status);\r
+  }\r
 }\r
 \r
 /**\r