Fix the issue that the high 16-bit of EAX may contain invalid data, which cause bad...

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / Thunk16.asm

diff --git a/MdePkg/Library/BaseLib/Ia32/Thunk16.asm b/MdePkg/Library/BaseLib/Ia32/Thunk16.asm
index a7560a247f478d10fa42a090e3a07721fb76a595..31f9254ad519d9641e96479231f5976e8c3583f8 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/Thunk16.asm
+++ b/MdePkg/Library/BaseLib/Ia32/Thunk16.asm
@@ -3,7 +3,7 @@
 \r
 ;------------------------------------------------------------------------------\r
 ;\r
-; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
+; Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
 ; This program and the accompanying materials\r
 ; are licensed and made available under the terms and conditions of the BSD License\r
 ; which accompanies this distribution.  The full text of the license may be found at\r
@@ -109,7 +109,7 @@ _ThunkAttr  DD      ?
     or      al, 2\r
     out     92h, al                     ; deactivate A20M#\r
 @2:\r
-    mov     eax, ss\r
+    mov     ax, ss\r
     DB      67h\r
     lea     bp, [esp + sizeof (IA32_REGS)]\r
     ;\r