TerminalDxe/TerminalConIn.c: add extra debug prints for SerialIO reset

Signed-off-by: Filip Lewinski <[email protected]>

MdeModulePkg/Universal/Console/TerminalDxe/TerminalConIn.c

@@ -77,8 +77,10 @@ TerminalConInReset (
     TerminalDevice->DevicePath
     );
 
+  DEBUG ((DEBUG_INFO, "TERMINAL: TerminalConInReset() called\n"));
   Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);
-
+  DEBUG ((DEBUG_INFO, "TERMINAL: SerialIo->Reset() returned %r\n", Status));
+
   //
   // Make all the internal buffer empty for keys
   //
@@ -95,6 +97,7 @@ TerminalConInReset (
       );
   }
 
+  DEBUG ((DEBUG_INFO, "TERMINAL: Reset() finished successfully\n"));
   return Status;
 }
 
@@ -127,13 +130,17 @@ TerminalConInReadKeyStroke (
   //
   TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);
 
+  DEBUG ((DEBUG_INFO, "TERMINAL: ReadKeyStroke() called\n"));
   Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);
+  DEBUG ((DEBUG_INFO, "TERMINAL: ReadKeyStrokeWorker() returned %r\n", Status));
   if (EFI_ERROR (Status)) {
     return Status;
   }
 
   CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));
 
+  DEBUG ((DEBUG_INFO, "TERMINAL: ReadKeyStroke() Key -> ScanCode: %x, Unicode: %x\n",
+          Key->ScanCode, Key->UnicodeChar));
   return EFI_SUCCESS;
 }
 
@@ -486,8 +493,13 @@ TerminalConInWaitForKey (
   // Someone is waiting on the keystroke event, if there's
   // a key pending, signal the event
   //
+  DEBUG ((DEBUG_INFO, "TERMINAL: WaitForKey() called\n"));
+
   if (!IsEfiKeyFiFoEmpty ((TERMINAL_DEV *)Context)) {
+    DEBUG ((DEBUG_INFO, "TERMINAL: FIFO not empty, signaling event\n"));
     gBS->SignalEvent (Event);
+  } else {
+    DEBUG ((DEBUG_INFO, "TERMINAL: FIFO empty, not signaling\n"));
   }
 }