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author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-23 07:32:20 +0000 |
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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.c | |
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.c')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/WriteIdtr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c b/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c index 33d2b29fe8..d58520fb25 100644 --- a/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c +++ b/MdePkg/Library/BaseLib/Ia32/WriteIdtr.c @@ -1,7 +1,7 @@ /** @file
AsmWriteIdtr function
- Copyright (c) 2006 - 2008, Intel Corporation<BR>
+ Copyright (c) 2006 - 2010, Intel Corporation<BR>
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
@@ -32,7 +32,10 @@ InternalX86WriteIdtr ( {
_asm {
mov eax, Idtr
+ pushfd
+ cli
lidt fword ptr [eax]
+ popfd
}
}
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