MdePkg/Library/BaseLib/Ia32/Mwait.nasm

   1 ;------------------------------------------------------------------------------
   2 ;
   3 ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
   4 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   5 ;
   6 ; Module Name:
   7 ;
   8 ;   Mwait.Asm
   9 ;
  10 ; Abstract:
  11 ;
  12 ;   AsmMwait function
  13 ;
  14 ; Notes:
  15 ;
  16 ;------------------------------------------------------------------------------
  17
  18     SECTION .text
  19
  20 ;------------------------------------------------------------------------------
  21 ; UINTN
  22 ; EFIAPI
  23 ; AsmMwait (
  24 ;   IN      UINTN                     Eax,
  25 ;   IN      UINTN                     Ecx
  26 ;   );
  27 ;------------------------------------------------------------------------------
  28 global ASM_PFX(AsmMwait)
  29 ASM_PFX(AsmMwait):
  30     mov     eax, [esp + 4]
  31     mov     ecx, [esp + 8]
  32     DB      0xf, 1, 0xc9                ; mwait
  33     ret
  34