From 68edd7dbad77d7170ee0e1c5dbefae93ea9997b1 Mon Sep 17 00:00:00 2001
From: "Yao, Jiewen" <jiewen.yao@intel.com>
Date: Fri, 22 Feb 2019 21:30:33 +0800
Subject: [PATCH] MdePkg/Include: Add Nasm.inc

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1521

This is to add CET related instruction in Nasm
because CET instruction is not supported yet.

See https://www.nasm.us/xdoc/2.14.02/html/nasmdocb.html

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yao Jiewen <jiewen.yao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
---
 MdePkg/Include/Ia32/Nasm.inc | 28 ++++++++++++++++++++++++++++
 MdePkg/Include/X64/Nasm.inc  | 28 ++++++++++++++++++++++++++++
 2 files changed, 56 insertions(+)
 create mode 100644 MdePkg/Include/Ia32/Nasm.inc
 create mode 100644 MdePkg/Include/X64/Nasm.inc

diff --git a/MdePkg/Include/Ia32/Nasm.inc b/MdePkg/Include/Ia32/Nasm.inc
new file mode 100644
index 0000000000..c018bb3cae
--- /dev/null
+++ b/MdePkg/Include/Ia32/Nasm.inc
@@ -0,0 +1,28 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2019, 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.
+;
+; 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
diff --git a/MdePkg/Include/X64/Nasm.inc b/MdePkg/Include/X64/Nasm.inc
new file mode 100644
index 0000000000..129a330212
--- /dev/null
+++ b/MdePkg/Include/X64/Nasm.inc
@@ -0,0 +1,28 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2019, 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.
+;
+; Abstract:
+;
+;   This file provides macro definitions for NASM files.
+;
+;------------------------------------------------------------------------------
+
+%macro SETSSBSY        0
+    DB 0xF3, 0x0F, 0x01, 0xE8
+%endmacro
+
+%macro READSSP_RAX     0
+    DB 0xF3, 0x48, 0x0F, 0x1E, 0xC8
+%endmacro
+
+%macro INCSSP_RAX      0
+    DB 0xF3, 0x48, 0x0F, 0xAE, 0xE8
+%endmacro