1 files changed, 36 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.c b/Core/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.c
new file mode 100644
index 0000000000..d085d8d8cb
--- /dev/null
+++ b/Core/MdePkg/Library/BaseLib/Ia32/EnableDisableInterrupts.c
@@ -0,0 +1,36 @@
+/** @file
+  EnableDisableInterrupts function
+
+  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
+  This program and the accompanying materials
+  are licensed and made available under the terms and conditions of the BSD License
+  which accompanies this distribution.  The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php.
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+
+
+
+/**
+  Enables CPU interrupts for the smallest window required to capture any
+  pending interrupts.
+
+**/
+VOID
+EFIAPI
+EnableDisableInterrupts (
+  VOID
+  )
+{
+  _asm {
+    sti
+    nop
+    nop
+    cli
+  }
+}
+