1/*
2 *  linux/arch/arm/lib/memcpy.S
3 *
4 *  Author:	Nicolas Pitre
5 *  Created:	Sep 28, 2005
6 *  Copyright:	MontaVista Software, Inc.
7 *
8 *  This program is free software; you can redistribute it and/or modify
9 *  it under the terms of the GNU General Public License version 2 as
10 *  published by the Free Software Foundation.
11 */
12
13#include <linux/linkage.h>
14#include <asm/assembler.h>
15
16	.macro ldr1w ptr reg abort
17	ldr \reg, [\ptr], #4
18	.endm
19
20	.macro ldr4w ptr reg1 reg2 reg3 reg4 abort
21	ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4}
22	.endm
23
24	.macro ldr8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort
25	ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8}
26	.endm
27
28	.macro ldr1b ptr reg cond=al abort
29	ldr\cond\()b \reg, [\ptr], #1
30	.endm
31
32	.macro str1w ptr reg abort
33	str \reg, [\ptr], #4
34	.endm
35
36	.macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort
37	stmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8}
38	.endm
39
40	.macro str1b ptr reg cond=al abort
41	str\cond\()b \reg, [\ptr], #1
42	.endm
43
44	.macro enter reg1 reg2
45	stmdb sp!, {r0, \reg1, \reg2}
46	.endm
47
48	.macro exit reg1 reg2
49	ldmfd sp!, {r0, \reg1, \reg2}
50	.endm
51
52	.text
53
54/* Prototype: void *memcpy(void *dest, const void *src, size_t n); */
55
56ENTRY(memcpy)
57
58#include "copy_template.S"
59