blob: d2d8bb5d9b6e5b1b2ad6d634653d51eccddaec7f (
plain)
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
|
#
# ConvertAsm.py: Automatically generated from ScanMem8.asm
#
#------------------------------------------------------------------------------
#
# Copyright (c) 2006 - 2009, 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:
#
# ScanMem8.S
#
# Abstract:
#
# ScanMem8 function
#
# Notes:
#
# The following BaseMemoryLib instances contain the same copy of this file:
#
# BaseMemoryLibRepStr
# BaseMemoryLibMmx
# BaseMemoryLibSse2
# BaseMemoryLibOptDxe
# BaseMemoryLibOptPei
#
#------------------------------------------------------------------------------
#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem8 (
# IN CONST VOID *Buffer,
# IN UINTN Length,
# IN UINT8 Value
# );
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(InternalMemScanMem8)
ASM_PFX(InternalMemScanMem8):
pushq %rdi
movq %rcx, %rdi
movq %rdx, %rcx
movq %r8, %rax
repne scasb
leaq -1(%rdi), %rax
cmovnz %rcx, %rax # set rax to 0 if not found
popq %rdi
ret
|
