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| author | Sheng Wei <w.sheng@intel.com> | 2021-01-26 16:54:15 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2021-03-02 05:11:55 +0000 |
| commit | bdf1df8a5f8085a4ce83767c47d59e0bad16084d (patch) | |
| tree | beac5411ca7ad74e175ffd791547ae6ce6886864 /MdePkg | |
| parent | 0996a7883c6dd939d6e769b1ce1fd2b2e250bcfb (diff) | |
| download | edk2-bdf1df8a5f8085a4ce83767c47d59e0bad16084d.tar.gz edk2-bdf1df8a5f8085a4ce83767c47d59e0bad16084d.tar.bz2 edk2-bdf1df8a5f8085a4ce83767c47d59e0bad16084d.zip | |
MdePkg/Include: Add CET instructions to Nasm.inc
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.
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=3227 .
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3192
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>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Ia32/Nasm.inc | 12 | ||||
| -rw-r--r-- | MdePkg/Include/X64/Nasm.inc | 12 |
2 files changed, 24 insertions, 0 deletions
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 @@ ;
;------------------------------------------------------------------------------
+%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 @@ ;
;------------------------------------------------------------------------------
+%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
|