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diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Ia32/Nasm.inc b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Ia32/Nasm.inc
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index 0000000000..dbfcb74080
--- /dev/null
+++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/Ia32/Nasm.inc
@@ -0,0 +1,22 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Abstract:
+;
+; This file provides macro definitions for NASM files.
+;
+;------------------------------------------------------------------------------
+
+%macro SETSSBSY 0
+ DB 0xF3, 0x0F, 0x01, 0xE8
+%endmacro
+
+%macro READSSP_EAX 0
+ DB 0xF3, 0x0F, 0x1E, 0xC8
+%endmacro
+
+%macro INCSSP_EAX 0
+ DB 0xF3, 0x0F, 0xAE, 0xE8
+%endmacro