sravan/system76-edk2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix the issue that the high 16-bit of EAX may contain invalid data, which cause bad stack pointer, the change will ensure the high 16-bit of EAX is cleared.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11047 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
li-elvin
2010-11-12 07:47:27 +00:00
parent be3b67bca5
commit 4d4c535a32
4 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
MdePkg/Library/BaseLib/Ia32/Thunk16.asm
View File

@@ -3,7 +3,7 @@
;------------------------------------------------------------------------------
;
; Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2006 - 2010, 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
@@ -109,7 +109,7 @@ _ThunkAttr DD ?
or al, 2
out 92h, al ; deactivate A20M#
@2:
mov eax, ss
mov ax, ss
DB 67h
lea bp, [esp + sizeof (IA32_REGS)]
;