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path: root/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c
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Diffstat (limited to 'MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c')
-rw-r--r--MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c
new file mode 100644
index 000000000..aa578ee13
--- /dev/null
+++ b/MdePkg/Library/PeiServicesTablePointerLibIdt/Ia32/AsmPeiSevicesTablePointer.c
@@ -0,0 +1,25 @@
+/** @file
+ AsmReadIdtr function
+
+ Copyright (c) 2006 - 2007, 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
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+EFI_PEI_SERVICES **
+EFIAPI
+AsmPeiSevicesTablePointer (
+ VOID
+ )
+{
+ _asm {
+ sidt fword ptr [eax]
+ mov eax, [eax - 4]
+ }
+}