[mirror_edk2.git] / MdePkg / Library / BaseLib / Arm / CpuPause.asm

;------------------------------------------------------------------------------\r
;\r
; CpuPause() for ARM\r
;\r
; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
;------------------------------------------------------------------------------\r
\r
  EXPORT CpuPause\r
  AREA cpu_pause, CODE, READONLY\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
CpuPause\r
    NOP\r
    NOP\r
    NOP\r
    NOP\r
    NOP\r
    BX LR\r
\r
  END\r
Commit	Line	Data
9095d37b	1	;------------------------------------------------------------------------------\r
ebd04fc2	2	;\r
	3	; CpuPause() for ARM\r
	4	;\r
9095d37b	5	; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
bb817c56	6	; Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
9344f092	7	; SPDX-License-Identifier: BSD-2-Clause-Patent\r
ebd04fc2	8	;\r
	9	;------------------------------------------------------------------------------\r
	10	\r
	11	EXPORT CpuPause\r
	12	AREA cpu_pause, CODE, READONLY\r
	13	\r
	14	;/**\r
	15	; Requests CPU to pause for a short period of time.\r
	16	;\r
	17	; Requests CPU to pause for a short period of time. Typically used in MP\r
	18	; systems to prevent memory starvation while waiting for a spin lock.\r
	19	;\r
	20	;**/\r
	21	;VOID\r
	22	;EFIAPI\r
	23	;CpuPause (\r
	24	; VOID\r
	25	; );\r
	26	;\r
	27	CpuPause\r
	28	NOP\r
	29	NOP\r
	30	NOP\r
	31	NOP\r
	32	NOP\r
	33	BX LR\r
	34	\r
	35	END\r