MdePkg/Library/BaseCpuLib/Ia32/CpuSleep.c

   1 /** @file
   2   CpuSleep function.
   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   Places the CPU in a sleep state until an interrupt is received.
  11
  12   Places the CPU in a sleep state until an interrupt is received. If interrupts
  13   are disabled prior to calling this function, then the CPU will be placed in a
  14   sleep state indefinitely.
  15
  16 **/
  17 VOID
  18 EFIAPI
  19 CpuSleep (
  20   VOID
  21   )
  22 {
  23   _asm {
  24     hlt
  25   }
  26 }