MdePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdePkg / Library / BaseCpuLib / Arm / CpuSleep.asm

;------------------------------------------------------------------------------\r
;\r
; CpuSleep() for ARMv7\r
;\r
; ARMv6 versions was:\r
;    MOV r0,#0\r
;    MCR p15,0,r0,c7,c0,4   ;Wait for Interrupt instruction\r
;\r
; But this is a no-op on ARMv7\r
;\r
; Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
; Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
;------------------------------------------------------------------------------\r
\r
  EXPORT CpuSleep\r
  AREA cpu_sleep, CODE, READONLY\r
\r
;/**\r
;  Places the CPU in a sleep state until an interrupt is received.\r
;\r
;  Places the CPU in a sleep state until an interrupt is received. If interrupts\r
;  are disabled prior to calling this function, then the CPU will be placed in a\r
;  sleep state indefinitely.\r
;\r
;**/\r
;VOID\r
;EFIAPI\r
;CpuSleep (\r
;  VOID\r
;  );\r
;\r
CpuSleep\r
    WFI\r
    BX LR\r
\r
  END\r