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
  12 RiscVCpuPause (
  13   VOID
  14   );
  15
  16 /**
  17   Requests CPU to pause for a short period of time.
  18
  19   Requests CPU to pause for a short period of time. Typically used in MP
  20   systems to prevent memory starvation while waiting for a spin lock.
  21
  22 **/
  23 VOID
  24 EFIAPI
  25 CpuPause (
  26   VOID
  27   )
  28 {
  29   RiscVCpuPause ();
  30 }