Re: [edk2-devel] [PATCH v5 1/6] MdePkg: Add macro definitions for CET feature for NASM files.

["Laszlo Ersek" <lersek@redhat.com>]

On 11/15/23 05:12, Sheng Wei wrote:
> Signed-off-by: Sheng Wei <w.sheng@intel.com>
> Cc: Eric Dong <eric.dong@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Wu Jiaxin <jiaxin.wu@intel.com>
> Cc: Tan Dun <dun.tan@intel.com>
> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
> ---
>  MdePkg/Include/Cet.inc | 26 ++++++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
>  create mode 100644 MdePkg/Include/Cet.inc
> 
> diff --git a/MdePkg/Include/Cet.inc b/MdePkg/Include/Cet.inc
> new file mode 100644
> index 0000000000..a4038a0682
> --- /dev/null
> +++ b/MdePkg/Include/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             0x1
> +%define MSR_IA32_CET_WR_SHSTK_EN           0x2
> +%define MSR_IA32_CET_ENDBR_EN              0x4
> +%define MSR_IA32_CET_LEG_IW_EN             0x8
> +%define MSR_IA32_CET_NO_TRACK_EN           0x10
> +%define MSR_IA32_CET_SUPPRESS_DIS          0x20
> +%define MSR_IA32_CET_SUPPRESS              0x400
> +%define MSR_IA32_CET_TRACKER               0x800
> +%define MSR_IA32_PL0_SSP                   0x6A4
> +%define MSR_IA32_INTERRUPT_SSP_TABLE_ADDR  0x6A8
> +
> +%define CR4_CET_BIT                        23
> +%define CR4_CET                            0x800000

Works for me; it also solves the question of "where exactly put this
under UefiCpuPkg" -- well, put it under MdePkg. :)

Laszlo



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