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      1 #------------------------------------------------------------------------------
      2 #
      3 # Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
      4 # This program and the accompanying materials
      5 # are licensed and made available under the terms and conditions of the BSD License
      6 # which accompanies this distribution.  The full text of the license may be found at
      7 # http://opensource.org/licenses/bsd-license.php
      8 #
      9 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     10 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     11 #
     12 # Module Name:
     13 #
     14 #   ReadIdtr.Asm
     15 #
     16 # Abstract:
     17 #
     18 #   InternalX86ReadIdtr function
     19 #
     20 # Notes:
     21 #
     22 #------------------------------------------------------------------------------
     23 
     24 #include <EdkIIGlueBase.h>
     25 
     26 .globl ASM_PFX(InternalX86ReadIdtr)
     27 
     28 #------------------------------------------------------------------------------
     29 # VOID
     30 # EFIAPI
     31 # InternalX86ReadIdtr (
     32 #   OUT IA32_DESCRIPTOR  *Idtr
     33 #   );
     34 #------------------------------------------------------------------------------
     35 ASM_PFX(InternalX86ReadIdtr):
     36     movl    4(%esp), %eax
     37     sidt    (%eax)
     38     ret
     39