mirror of https://github.com/acidanthera/audk.git
54 lines
1.2 KiB
NASM
54 lines
1.2 KiB
NASM
;------------------------------------------------------------------------------
|
|
;
|
|
; Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
|
|
; SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
;
|
|
; Module Name:
|
|
;
|
|
; SetMem16.nasm
|
|
;
|
|
; Abstract:
|
|
;
|
|
; SetMem16 function
|
|
;
|
|
; Notes:
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
DEFAULT REL
|
|
SECTION .text
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID *
|
|
; EFIAPI
|
|
; InternalMemSetMem16 (
|
|
; OUT VOID *Buffer,
|
|
; IN UINTN Length,
|
|
; IN UINT16 Value
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(InternalMemSetMem16)
|
|
ASM_PFX(InternalMemSetMem16):
|
|
push rdi
|
|
mov rax, r8
|
|
movq mm0, rax
|
|
mov r8, rcx
|
|
mov rdi, r8
|
|
mov rcx, rdx
|
|
and edx, 3
|
|
shr rcx, 2
|
|
jz @SetWords
|
|
pshufw mm0, mm0, 0
|
|
.0:
|
|
movntq [rdi], mm0
|
|
add rdi, 8
|
|
loop .0
|
|
mfence
|
|
@SetWords:
|
|
mov ecx, edx
|
|
rep stosw
|
|
mov rax, r8
|
|
pop rdi
|
|
ret
|
|
|