1 files changed, 29 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Library/BaseLib/Ia32/CpuPause.c b/roms/edk2/MdePkg/Library/BaseLib/Ia32/CpuPause.c
new file mode 100644
index 000000000..12dc896fe
--- /dev/null
+++ b/roms/edk2/MdePkg/Library/BaseLib/Ia32/CpuPause.c
@@ -0,0 +1,29 @@
+/** @file
+  CpuPause function.
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+
+
+
+/**
+  Requests CPU to pause for a short period of time.
+
+  Requests CPU to pause for a short period of time. Typically used in MP
+  systems to prevent memory starvation while waiting for a spin lock.
+
+**/
+VOID
+EFIAPI
+CpuPause (
+  VOID
+  )
+{
+  _asm {
+    pause
+  }
+}
+