1 files changed, 35 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/ARShiftU64.c b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/ARShiftU64.c
new file mode 100644
index 00000000..3388b274
--- /dev/null
+++ b/src/VBox/Devices/EFI/Firmware/MdePkg/Library/BaseLib/ARShiftU64.c
@@ -0,0 +1,35 @@
+/** @file
+  Math worker functions.
+
+  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "BaseLibInternals.h"
+
+/**
+  Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled
+  with the original integer's bit 63. The shifted value is returned.
+
+  This function shifts the 64-bit value Operand to the right by Count bits. The
+  high Count bits are set to bit 63 of Operand.  The shifted value is returned.
+
+  If Count is greater than 63, then ASSERT().
+
+  @param  Operand The 64-bit operand to shift right.
+  @param  Count   The number of bits to shift right.
+
+  @return Operand >> Count
+
+**/
+UINT64
+EFIAPI
+ARShiftU64 (
+  IN      UINT64                    Operand,
+  IN      UINTN                     Count
+  )
+{
+  ASSERT (Count < 64);
+  return InternalMathARShiftU64 (Operand, Count);
+}