MdePkg/Include: Add CET instructions to Nasm.inc

[mirror_edk2.git] / MdePkg / Include / Ia32 / Nasm.inc

diff --git a/MdePkg/Include/Ia32/Nasm.inc b/MdePkg/Include/Ia32/Nasm.inc
index 31ce861f1e7ecf55c4ccc0d55905adaeb0ab3c4c..fa42f9d3e99b5d210700d55b2a23a137948c91c4 100644 (file)
--- a/MdePkg/Include/Ia32/Nasm.inc
+++ b/MdePkg/Include/Ia32/Nasm.inc
@@ -9,6 +9,18 @@
 ;\r
 ;------------------------------------------------------------------------------\r
 \r
+%macro SAVEPREVSSP     0\r
+    DB 0xF3, 0x0F, 0x01, 0xEA\r
+%endmacro\r
+\r
+%macro CLRSSBSY_EAX    0\r
+    DB 0x67, 0xF3, 0x0F, 0xAE, 0x30\r
+%endmacro\r
+\r
+%macro RSTORSSP_EAX    0\r
+    DB 0x67, 0xF3, 0x0F, 0x01, 0x28\r
+%endmacro\r
+\r
 %macro SETSSBSY        0\r
     DB 0xF3, 0x0F, 0x01, 0xE8\r
 %endmacro\r