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

[mirror_edk2.git] / EdkCompatibilityPkg / Foundation / Library / EdkIIGlueLib / Library / BaseLib / X64 / Thunk16.S

diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/Thunk16.S b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/Thunk16.S
index d63f02923c53541231803bbadf7febccb481c0a4..da626ad47cce7932f12d589ba6899496b769e729 100644 (file)
--- a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/Thunk16.S
+++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/X64/Thunk16.S
@@ -1,6 +1,6 @@
 #------------------------------------------------------------------------------\r
 #\r
-# Copyright (c) 2006 - 2009, 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
@@ -104,7 +104,7 @@ L_1:
     orb     $2,%al\r
     outb    %al, $0x92                   # deactivate A20M#\r
 L_2: \r
-    movl    %ss,%eax\r
+    movw    %ss,%ax\r
     lea     IA32_REGS_SIZE(%esp), %bp\r
     #\r
     # rsi in the following 2 instructions is indeed bp in 16-bit code\r