CloverBootloader/MdePkg/Library/BaseLib/X64/Mwait.nasm
2019-09-03 12:58:42 +03:00

36 lines
856 B
NASM

;------------------------------------------------------------------------------
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; Mwait.Asm
;
; Abstract:
;
; AsmMwait function
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; UINT64
; EFIAPI
; AsmMwait (
; IN UINTN Eax,
; IN UINTN Ecx
; );
;------------------------------------------------------------------------------
global ASM_PFX(AsmMwait)
ASM_PFX(AsmMwait):
mov eax, ecx
mov ecx, edx
DB 0xf, 1, 0xc9 ; mwait
ret