MdePkg/Library/BaseLib/CpuDeadLoop.c

   1 /** @file
   2   Base Library CPU Functions for all architectures.
   3
   4   Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <Base.h>
  10 #include <Library/BaseLib.h>
  11
  12 /**
  13   Executes an infinite loop.
  14
  15   Forces the CPU to execute an infinite loop. A debugger may be used to skip
  16   past the loop and the code that follows the loop must execute properly. This
  17   implies that the infinite loop must not cause the code that follow it to be
  18   optimized away.
  19
  20 **/
  21 VOID
  22 EFIAPI
  23 CpuDeadLoop (
  24   VOID
  25   )
  26 {
  27   volatile UINTN  Index;
  28
  29   for (Index = 0; Index == 0;) {
  30     CpuPause ();
  31   }
  32 }