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Fix the issue to clear the high 16-bit of EAX before use it Thunk code.

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This patch updates MdePkg BaseLib, EcpPkg EdkIIGlueLib BaseLib and ThunkLib.

Signed-off-by: lgao4
Reviewed-by: rsun3

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12877 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2011-12-15 08:27:53 +00:00
parent c577049aaf
commit 0249feb8b5
8 changed files with 20 additions and 14 deletions
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5
EdkCompatibilityPkg/Foundation/Library/Thunk16/Ia32/Thunk16.S
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@@ -1,6 +1,6 @@
#*****************************************************************************
#*
#* Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
#* Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
#* This program and the accompanying materials
#* are licensed and made available under the terms and conditions of the BSD License
#* which accompanies this distribution. The full text of the license may be found at
@@ -116,7 +116,8 @@ L_16Bit:
.byte 0xfc
L_Lable1:
movl %ss,%eax
xor %eax,%eax
movw %ss,%ax
shl $0x4,%eax
add %esp,%eax
lss 0x3c(%esp),%esp