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
  10
  11 #include <Base.h>
  12 #include <Library/BaseLib.h>
  13
  14 /**
  15   Executes an infinite loop.
  16
  17   Forces the CPU to execute an infinite loop. A debugger may be used to skip
  18   past the loop and the code that follows the loop must execute properly. This
  19   implies that the infinite loop must not cause the code that follow it to be
  20   optimized away.
  21
  22 **/
  23 VOID
  24 EFIAPI
  25 CpuDeadLoop (
  26   VOID
  27   )
  28 {
  29   volatile UINTN  Index;
  30
  31   for (Index = 0; Index == 0;);
  32 }