You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.6 KiB
69 lines
1.6 KiB
4 years ago
|
;------------------------------------------------------------------------------
|
||
|
|
;
|
||
|
|
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
|
||
|
|
; 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:
|
||
|
|
;
|
||
|
|
; SetMem32.nasm
|
||
|
|
;
|
||
|
|
; Abstract:
|
||
|
|
;
|
||
|
|
; SetMem32 function
|
||
|
|
;
|
||
|
|
; Notes:
|
||
|
|
;
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
DEFAULT REL
|
||
|
|
SECTION .text
|
||
|
|
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
; VOID *
|
||
|
|
; InternalMemSetMem32 (
|
||
|
|
; IN VOID *Buffer,
|
||
|
|
; IN UINTN Count,
|
||
|
|
; IN UINT8 Value
|
||
|
|
; )
|
||
|
|
;------------------------------------------------------------------------------
|
||
|
|
global ASM_PFX(InternalMemSetMem32)
|
||
|
|
ASM_PFX(InternalMemSetMem32):
|
||
|
|
push rdi
|
||
|
|
mov rdi, rcx
|
||
|
|
mov r9, rdi
|
||
|
|
xor rcx, rcx
|
||
|
|
sub rcx, rdi
|
||
|
|
and rcx, 15
|
||
|
|
mov rax, r8
|
||
|
|
jz .0
|
||
|
|
shr rcx, 2
|
||
|
|
cmp rcx, rdx
|
||
|
|
cmova rcx, rdx
|
||
|
|
sub rdx, rcx
|
||
|
|
rep stosd
|
||
|
|
.0:
|
||
|
|
mov rcx, rdx
|
||
|
|
and edx, 3
|
||
|
|
shr rcx, 2
|
||
|
|
jz @SetDwords
|
||
|
|
movd xmm0, eax
|
||
|
|
pshufd xmm0, xmm0, 0
|
||
|
|
.1:
|
||
|
|
movntdq [rdi], xmm0
|
||
|
|
add rdi, 16
|
||
|
|
loop .1
|
||
|
|
mfence
|
||
|
|
@SetDwords:
|
||
|
|
mov ecx, edx
|
||
|
|
rep stosd
|
||
|
|
mov rax, r9
|
||
|
|
pop rdi
|
||
|
|
ret
|
||
|
|
|