[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / CpuPause.c

/** @file\r
  CpuPause function.\r
\r
  Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
/**\r
  Requests CPU to pause for a short period of time.\r
\r
  Requests CPU to pause for a short period of time. Typically used in MP\r
  systems to prevent memory starvation while waiting for a spin lock.\r
\r
**/\r
VOID\r
EFIAPI\r
CpuPause (\r
  VOID\r
  )\r
{\r
  _asm {\r
    pause\r
  }\r
}\r
Commit	Line	Data
e1f414b6	1	/** @file\r
	2	CpuPause function.\r
	3	\r
bb817c56	4	Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
9344f092	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
e1f414b6	6	\r
	7	**/\r
	8	\r
42eedea9	9	/**\r
	10	Requests CPU to pause for a short period of time.\r
	11	\r
	12	Requests CPU to pause for a short period of time. Typically used in MP\r
	13	systems to prevent memory starvation while waiting for a spin lock.\r
	14	\r
	15	**/\r
e1f414b6	16	VOID\r
	17	EFIAPI\r
	18	CpuPause (\r
	19	VOID\r
	20	)\r
	21	{\r
	22	_asm {\r
	23	pause\r
	24	}\r
	25	}\r