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| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-23 07:32:20 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-23 07:32:20 +0000 |
| commit | 28b5f7c06238b25732bf6f0c72c3d42b94abee66 (patch) | |
| tree | 6c86c7db041010025e4b9f92efccb87f6ccbec79 /MdePkg/Library/BaseLib/Ia32/WriteIdtr.S | |
| parent | f18f2882e95fe2158bd19cf6a9a6ca569cea93de (diff) | |
| download | edk2-28b5f7c06238b25732bf6f0c72c3d42b94abee66.tar.gz edk2-28b5f7c06238b25732bf6f0c72c3d42b94abee66.tar.bz2 edk2-28b5f7c06238b25732bf6f0c72c3d42b94abee66.zip | |
Disable interrupt when changing IDTR register.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10046 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/WriteIdtr.S')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/WriteIdtr.S | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteIdtr.S b/MdePkg/Library/BaseLib/Ia32/WriteIdtr.S index 1f4857e0c4..e9fc03bb5e 100644 --- a/MdePkg/Library/BaseLib/Ia32/WriteIdtr.S +++ b/MdePkg/Library/BaseLib/Ia32/WriteIdtr.S @@ -1,6 +1,6 @@ #------------------------------------------------------------------------------
#
-# Copyright (c) 2006 - 2008, Intel Corporation
+# Copyright (c) 2006 - 2010, Intel Corporation
# All rights reserved. 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
@@ -31,5 +31,8 @@ ASM_GLOBAL ASM_PFX(InternalX86WriteIdtr)
ASM_PFX(InternalX86WriteIdtr):
movl 4(%esp), %eax
+ pushfl
+ cli
lidt (%eax)
+ popfl
ret
|