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