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From: "gaoliming" <gaoliming@byosoft.com.cn>
To: <devel@edk2.groups.io>,
	<w.sheng@intel.com>
Cc: "'Michael D Kinney'" <michael.d.kinney@intel.com>,
	"'Zhiguang Liu'" <zhiguang.liu@intel.com>,
	"'Jiewen Yao'" <jiewen.yao@intel.com>
References: <20210220031501.24284-1-w.sheng@intel.com> <20210220031501.24284-2-w.sheng@intel.com>
In-Reply-To: <20210220031501.24284-2-w.sheng@intel.com>
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Date: Sat, 20 Feb 2021 13:35:13 +0800
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Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>

> -----=D3=CA=BC=FE=D4=AD=BC=FE-----
> =B7=A2=BC=FE=C8=CB: bounce+27952+71865+4905953+8761045@groups.io
> <bounce+27952+71865+4905953+8761045@groups.io> =B4=FA=B1=ED Sheng Wei
> =B7=A2=CB=CD=CA=B1=BC=E4: 2021=C4=EA2=D4=C220=C8=D5 11:15
> =CA=D5=BC=FE=C8=CB: devel@edk2.groups.io
> =B3=AD=CB=CD: Michael D Kinney <michael.d.kinney@intel.com>; Liming Gao
> <gaoliming@byosoft.com.cn>; Zhiguang Liu <zhiguang.liu@intel.com>; Jiewe=
n
> Yao <jiewen.yao@intel.com>
> =D6=F7=CC=E2: [edk2-devel] [PATCH v5 1/2] MdePkg/Include: Add CET instru=
ctions to
> Nasm.inc
>=20
> This is to add instruction SAVEPREVSSP, CLRSSBSY and RSTORSSP_RAX in
> Nasm.
> The open CI is using NASM 2.14.02.
> CET instructions are supported since NASM 2.15.01.
>=20
> DB-encoded CET instructions need to be removed after open CI update to
>  NASM 2.15.01.
> The BZ ticket is https://bugzilla.tianocore.org/show_bug.cgi?id=3D3227 .
>=20
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3D3192
>=20
> Signed-off-by: Sheng Wei <w.sheng@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Zhiguang Liu <zhiguang.liu@intel.com>
> Cc: Jiewen Yao <jiewen.yao@intel.com>
> ---
>  MdePkg/Include/Ia32/Nasm.inc | 12 ++++++++++++
>  MdePkg/Include/X64/Nasm.inc  | 12 ++++++++++++
>  2 files changed, 24 insertions(+)
>=20
> diff --git a/MdePkg/Include/Ia32/Nasm.inc
> b/MdePkg/Include/Ia32/Nasm.inc
> index 31ce861f1e..fa42f9d3e9 100644
> --- a/MdePkg/Include/Ia32/Nasm.inc
> +++ b/MdePkg/Include/Ia32/Nasm.inc
> @@ -9,6 +9,18 @@
>  ;
>
;-------------------------------------------------------------------------=
--
---
>=20
> +%macro SAVEPREVSSP     0
> +    DB 0xF3, 0x0F, 0x01, 0xEA
> +%endmacro
> +
> +%macro CLRSSBSY_EAX    0
> +    DB 0x67, 0xF3, 0x0F, 0xAE, 0x30
> +%endmacro
> +
> +%macro RSTORSSP_EAX    0
> +    DB 0x67, 0xF3, 0x0F, 0x01, 0x28
> +%endmacro
> +
>  %macro SETSSBSY        0
>      DB 0xF3, 0x0F, 0x01, 0xE8
>  %endmacro
> diff --git a/MdePkg/Include/X64/Nasm.inc b/MdePkg/Include/X64/Nasm.inc
> index 42412735ea..e57a803c81 100644
> --- a/MdePkg/Include/X64/Nasm.inc
> +++ b/MdePkg/Include/X64/Nasm.inc
> @@ -9,6 +9,18 @@
>  ;
>
;-------------------------------------------------------------------------=
--
---
>=20
> +%macro SAVEPREVSSP     0
> +    DB 0xF3, 0x0F, 0x01, 0xEA
> +%endmacro
> +
> +%macro CLRSSBSY_RAX    0
> +    DB 0xF3, 0x0F, 0xAE, 0x30
> +%endmacro
> +
> +%macro RSTORSSP_RAX    0
> +    DB 0xF3, 0x0F, 0x01, 0x28
> +%endmacro
> +
>  %macro SETSSBSY        0
>      DB 0xF3, 0x0F, 0x01, 0xE8
>  %endmacro
> --
> 2.16.2.windows.1
>=20
>=20
>=20
>=20
>=20