From 989322c384b180520803654acb69f53de83e45d6 Mon Sep 17 00:00:00 2001 From: qhuang8 Date: Wed, 25 Nov 2009 04:25:02 +0000 Subject: Introduce UefiCpuLib library class in UefiCpuPkg and add one instance of BaseUefiCpuLib. The major purpose of this library class / instance is to provide some routines that are generic for IA32 family CPU git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9480 6f19259b-4bc3-4df7-8a09-765794883524 --- UefiCpuPkg/Include/Library/UefiCpuLib.h | 38 +++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 UefiCpuPkg/Include/Library/UefiCpuLib.h (limited to 'UefiCpuPkg/Include/Library') diff --git a/UefiCpuPkg/Include/Library/UefiCpuLib.h b/UefiCpuPkg/Include/Library/UefiCpuLib.h new file mode 100644 index 0000000000..597c194249 --- /dev/null +++ b/UefiCpuPkg/Include/Library/UefiCpuLib.h @@ -0,0 +1,38 @@ +/** @file + Public header file for UEFI CPU library class. + + This library class defines some routines that are generic for IA32 family CPU + to be UEFI specification compliant. + + Copyright (c) 2009, Intel Corporation + 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. + +**/ + +#ifndef __UEFI_CPU_LIB_H__ +#define __UEFI_CPU_LIB_H__ + + + +/** + Initializes floating point units for requirement of UEFI specification. + + This function initializes floating-point control word to 0x027F (all exceptions + masked,double-precision, round-to-nearest) and multimedia-extensions control word + (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero + for masked underflow). + +**/ +VOID +EFIAPI +InitializeFloatingPointUnits ( + VOID + ); + +#endif -- cgit v1.2.3