[mirror_edk2.git] / UefiCpuPkg / Include / Library / UefiCpuLib.h

/** @file\r
  Public header file for UEFI CPU library class.\r
\r
  This library class defines some routines that are generic for IA32 family CPU\r
  to be UEFI specification compliant.\r
\r
  Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#ifndef __UEFI_CPU_LIB_H__\r
#define __UEFI_CPU_LIB_H__\r
\r
\r
\r
/**\r
  Initializes floating point units for requirement of UEFI specification.\r
\r
  This function initializes floating-point control word to 0x027F (all exceptions\r
  masked,double-precision, round-to-nearest) and multimedia-extensions control word\r
  (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero\r
  for masked underflow).\r
\r
**/\r
VOID\r
EFIAPI\r
InitializeFloatingPointUnits (\r
  VOID\r
  );\r
\r
#endif\r
Commit	Line	Data
989322c3	1	/** @file\r
	2	Public header file for UEFI CPU library class.\r
	3	\r
	4	This library class defines some routines that are generic for IA32 family CPU\r
	5	to be UEFI specification compliant.\r
	6	\r
01a1c0fc	7	Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>\r
0acd8697	8	SPDX-License-Identifier: BSD-2-Clause-Patent\r
989322c3	9	\r
	10	**/\r
	11	\r
	12	#ifndef __UEFI_CPU_LIB_H__\r
	13	#define __UEFI_CPU_LIB_H__\r
	14	\r
	15	\r
	16	\r
	17	/**\r
	18	Initializes floating point units for requirement of UEFI specification.\r
	19	\r
	20	This function initializes floating-point control word to 0x027F (all exceptions\r
	21	masked,double-precision, round-to-nearest) and multimedia-extensions control word\r
	22	(if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero\r
	23	for masked underflow).\r
	24	\r
	25	**/\r
	26	VOID\r
	27	EFIAPI\r
	28	InitializeFloatingPointUnits (\r
	29	VOID\r
	30	);\r
	31	\r
	32	#endif\r