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

32 lines
808 B
NASM

;------------------------------------------------------------------------------ ;
; Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
; Module Name:
;
; Lfence.nasm
;
; Abstract:
;
; Performs a serializing operation on all load-from-memory instructions that
; were issued prior to the call of this function.
;
; Notes:
;
;------------------------------------------------------------------------------
DEFAULT REL
SECTION .text
;------------------------------------------------------------------------------
; VOID
; EFIAPI
; AsmLfence (
; VOID
; );
;------------------------------------------------------------------------------
global ASM_PFX(AsmLfence)
ASM_PFX(AsmLfence):
lfence
ret