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      1 /** @file
      2   Public header file for UEFI CPU library class.
      3 
      4   This library class defines some routines that are generic for IA32 family CPU
      5   to be UEFI specification compliant.
      6 
      7   Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
      8   This program and the accompanying materials
      9   are licensed and made available under the terms and conditions of the BSD License
     10   which accompanies this distribution.  The full text of the license may be found at
     11   http://opensource.org/licenses/bsd-license.php
     12 
     13   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
     14   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
     15 
     16 **/
     17 
     18 #ifndef __UEFI_CPU_LIB_H__
     19 #define __UEFI_CPU_LIB_H__
     20 
     21 
     22 
     23 /**
     24   Initializes floating point units for requirement of UEFI specification.
     25 
     26   This function initializes floating-point control word to 0x027F (all exceptions
     27   masked,double-precision, round-to-nearest) and multimedia-extensions control word
     28   (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
     29   for masked underflow).
     30 
     31 **/
     32 VOID
     33 EFIAPI
     34 InitializeFloatingPointUnits (
     35   VOID
     36   );
     37 
     38 #endif
     39