1 files changed, 34 insertions, 0 deletions
diff --git a/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c
new file mode 100644
index 0000000000..741f5c6157
--- /dev/null
+++ b/ArmPkg/Library/ArmMonitorLib/ArmMonitorLib.c
@@ -0,0 +1,34 @@
+/** @file
+  Arm Monitor Library.
+
+  Copyright (c) 2022, Arm Limited. All rights reserved.<BR>
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <Library/ArmHvcLib.h>
+#include <Library/ArmMonitorLib.h>
+#include <Library/ArmSmcLib.h>
+#include <Library/PcdLib.h>
+
+/** Monitor call.
+
+  An HyperVisor Call (HVC) or System Monitor Call (SMC) will be issued
+  depending on the default conduit. PcdMonitorConduitHvc determines the type
+  of the call: if true, do an HVC.
+
+  @param [in,out]  Args    Arguments for the HVC/SMC.
+**/
+VOID
+EFIAPI
+ArmMonitorCall (
+  IN OUT ARM_MONITOR_ARGS  *Args
+  )
+{
+  if (FeaturePcdGet (PcdMonitorConduitHvc)) {
+    ArmCallHvc ((ARM_HVC_ARGS *)Args);
+  } else {
+    ArmCallSmc ((ARM_SMC_ARGS *)Args);
+  }
+}