1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
#
# ConvertAsm.py: Automatically generated from SetMem32.asm
#
#------------------------------------------------------------------------------
#
# 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:
#
# SetMem32.S
#
# Abstract:
#
# SetMem32 function
#
# Notes:
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# VOID *
# EFIAPI
# InternalMemSetMem32 (
# IN VOID *Buffer,
# IN UINTN Count,
# IN UINT32 Value
# );
#------------------------------------------------------------------------------
.intel_syntax noprefix
.globl 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 L0
shr rcx, 2
cmp rcx, rdx
cmova rcx, rdx
sub rdx, rcx
rep stosd
L0:
mov rcx, rdx
and edx, 3
shr rcx, 2
jz _SetDwords_L2
movd xmm0, eax
pshufd xmm0, xmm0, 0
L1:
movntdq [rdi], xmm0
add rdi, 16
loop L1
mfence
_SetDwords_L2:
mov ecx, edx
rep stosd
mov rax, r9
pop rdi
ret
|