audk/MdePkg/Library/BaseLib/X64/Mwait.asm

42 lines
1.2 KiB
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation
; All rights reserved. This program and the accompanying materials
; are licensed and made available under the terms and conditions of the BSD License
; which accompanies this distribution. The full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
; Module Name:
;
; Mwait.Asm
;
; Abstract:
;
; AsmMwait function
;
; Notes:
;
;------------------------------------------------------------------------------
.code
;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmMwait (
; IN UINTN Eax,
; IN UINTN Ecx
; );
;------------------------------------------------------------------------------
AsmMwait PROC
mov eax, ecx
mov ecx, edx
DB 0fh, 1, 0c9h
ret
AsmMwait ENDP
END