MdePkg/Library/BaseLib/RiscV64/CpuPause.c

   1 /** @file
   2   CPU pause for RISC-V
   3
   4   Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
   5
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7 **/
   8
   9 #include "BaseLibInternals.h"
  10
  11 extern VOID RiscVCpuPause (VOID);
  12
  13
  14 /**
  15   Requests CPU to pause for a short period of time.
  16
  17   Requests CPU to pause for a short period of time. Typically used in MP
  18   systems to prevent memory starvation while waiting for a spin lock.
  19
  20 **/
  21 VOID
  22 EFIAPI
  23 CpuPause (
  24   VOID
  25   )
  26 {
  27   RiscVCpuPause ();
  28 }
  29