diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Cet.inc b/UefiCpuPkg/PiSmmCpuDxeSmm/Cet.inc new file mode 100644 index 0000000000..41c99988c9 --- /dev/null +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Cet.inc @@ -0,0 +1,26 @@ +;------------------------------------------------------------------------------ +; +; Copyright (c) 2023, Intel Corporation. All rights reserved.
+; 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<