1 files changed, 20 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
index 4df1b890e6..6121d29fb7 100644
--- a/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
+++ b/MdeModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2Keyboard.c
@@ -351,6 +351,19 @@ KbdControllerDriverStart (
     goto ErrorExit;
   }
 
+  Status = gBS->CreateEvent (
+                  EVT_NOTIFY_SIGNAL,
+                  TPL_CALLBACK,
+                  KeyNotifyProcessHandler,
+                  ConsoleIn,
+                  &ConsoleIn->KeyNotifyProcessEvent
+                  );
+  if (EFI_ERROR (Status)) {
+    Status      = EFI_OUT_OF_RESOURCES;
+    StatusCode  = EFI_PERIPHERAL_KEYBOARD | EFI_P_EC_CONTROLLER_ERROR;
+    goto ErrorExit;
+  }
+
   REPORT_STATUS_CODE_WITH_DEVICE_PATH (
     EFI_PROGRESS_CODE,
     EFI_PERIPHERAL_KEYBOARD | EFI_P_PC_PRESENCE_DETECT,
@@ -430,6 +443,9 @@ ErrorExit:
   if ((ConsoleIn != NULL) && (ConsoleIn->ConInEx.WaitForKeyEx != NULL)) {
     gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);
   }
+  if ((ConsoleIn != NULL) && (ConsoleIn->KeyNotifyProcessEvent != NULL)) {
+    gBS->CloseEvent (ConsoleIn->KeyNotifyProcessEvent);
+  }
   KbdFreeNotifyList (&ConsoleIn->NotifyList);
   if ((ConsoleIn != NULL) && (ConsoleIn->ControllerNameTable != NULL)) {
     FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);
@@ -570,6 +586,10 @@ KbdControllerDriverStop (
     gBS->CloseEvent (ConsoleIn->ConInEx.WaitForKeyEx);
     ConsoleIn->ConInEx.WaitForKeyEx = NULL;
   }
+  if (ConsoleIn->KeyNotifyProcessEvent != NULL) {
+    gBS->CloseEvent (ConsoleIn->KeyNotifyProcessEvent);
+    ConsoleIn->KeyNotifyProcessEvent = NULL;
+  }
   KbdFreeNotifyList (&ConsoleIn->NotifyList);
   FreeUnicodeStringTable (ConsoleIn->ControllerNameTable);
   gBS->FreePool (ConsoleIn);