MdePkg: Replace Opcode with the corresponding instructions.

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / ReadDr4.nasm

diff --git a/MdePkg/Library/BaseLib/Ia32/ReadDr4.nasm b/MdePkg/Library/BaseLib/Ia32/ReadDr4.nasm
index 81c681de3497c8d88dd4c1e55512532b38c59ad9..1c312b670dca91d212eade0a629db774452fde26 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/ReadDr4.nasm
+++ b/MdePkg/Library/BaseLib/Ia32/ReadDr4.nasm
@@ -1,6 +1,6 @@
 ;------------------------------------------------------------------------------\r
 ;\r
-; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r
+; Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>\r
 ; SPDX-License-Identifier: BSD-2-Clause-Patent\r
 ;\r
 ; Module Name:\r
@@ -31,8 +31,8 @@ ASM_PFX(AsmReadDr4):
     ; this register will cause a #UD exception.\r
     ;\r
     ; MS assembler doesn't support this instruction since no one would use it\r
-    ; under normal circustances. Here opcode is used.\r
+    ; under normal circustances.\r
     ;\r
-    DB      0xf, 0x21, 0xe0\r
+    mov     eax, dr4\r
     ret\r
 \r