1 files changed, 38 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/GetPowerOfTwo32.c b/roms/edk2/MdePkg/Library/BaseLib/GetPowerOfTwo32.c
new file mode 100644
index 000000000..76f5e3cfb
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseLib/GetPowerOfTwo32.c
@@ -0,0 +1,38 @@
+/** @file
+  Math worker functions.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+
+
+#include "BaseLibInternals.h"
+
+/**
+  Returns the value of the highest bit set in a 32-bit value. Equivalent to
+  1 << log2(x).
+
+  This function computes the value of the highest bit set in the 32-bit value
+  specified by Operand. If Operand is zero, then zero is returned.
+
+  @param  Operand The 32-bit operand to evaluate.
+
+  @return 1 << HighBitSet32(Operand)
+  @retval 0 Operand is zero.
+
+**/
+UINT32
+EFIAPI
+GetPowerOfTwo32 (
+  IN      UINT32                    Operand
+  )
+{
+  if (0 == Operand) {
+    return 0;
+  }
+
+  return 1ul << HighBitSet32 (Operand);
+}