UefiCpuPkg: Add macro definitions for CET feature for NASM files.

Signed-off-by: Sheng Wei <[email protected]>
Cc: Eric Dong <[email protected]>
Cc: Ray Ni <[email protected]>
Cc: Laszlo Ersek <[email protected]>
Cc: Wu Jiaxin <[email protected]>
Cc: Tan Dun <[email protected]>
Reviewed-by: Ray Ni <[email protected]>

UefiCpuPkg/PiSmmCpuDxeSmm/Cet.inc

@@ -0,0 +1,26 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;
+; Abstract:
+;
+;   This file provides macro definitions for CET feature for NASM files.
+;
+;------------------------------------------------------------------------------
+
+%define MSR_IA32_U_CET                     0x6A0
+%define MSR_IA32_S_CET                     0x6A2
+%define MSR_IA32_CET_SH_STK_EN             (1<<0)
+%define MSR_IA32_CET_WR_SHSTK_EN           (1<<1)
+%define MSR_IA32_CET_ENDBR_EN              (1<<2)
+%define MSR_IA32_CET_LEG_IW_EN             (1<<3)
+%define MSR_IA32_CET_NO_TRACK_EN           (1<<4)
+%define MSR_IA32_CET_SUPPRESS_DIS          (1<<5)
+%define MSR_IA32_CET_SUPPRESS              (1<<10)
+%define MSR_IA32_CET_TRACKER               (1<<11)
+%define MSR_IA32_PL0_SSP                   0x6A4
+%define MSR_IA32_INTERRUPT_SSP_TABLE_ADDR  0x6A8
+
+%define CR4_CET_BIT                        23
+%define CR4_CET                            (1<<CR4_CET_BIT)