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.S

diff --git a/MdePkg/Library/BaseLib/Ia32/Thunk16.S b/MdePkg/Library/BaseLib/Ia32/Thunk16.S
index 75d857501a0d4ea9e8e7623c53084d8c0a27bd16..44aea1a5ef709e91ea02b785ac9563ce0fe98095 100644 (file)
--- a/MdePkg/Library/BaseLib/Ia32/Thunk16.S
+++ b/MdePkg/Library/BaseLib/Ia32/Thunk16.S
@@ -1,6 +1,6 @@
 #------------------------------------------------------------------------------\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
@@ -55,7 +55,7 @@ ASM_PFX(ThunkAttr): .space  4
     orb     $2, %al\r
     outb    %al, $0x92                  # deactivate A20M#\r
 2:\r
-    movl    %ss, %eax\r
+    movw    %ss, %ax\r
     .byte   0x67, 0x66, 0x8d, 0x6c, 0x24, 0x34, 0x66\r
     mov     %ebp, 0xffffffd8(%esi)\r
     mov     0xfffffff8(%esi), %ebx\r