[BACK]Return to memcpy.S CVS log [TXT][DIR] Up to [Development] / linux-2.6-xfs / arch / arm / lib

File: [Development] / linux-2.6-xfs / arch / arm / lib / memcpy.S (download)

Revision 1.3, Mon Dec 5 21:19:08 2005 UTC (11 years, 10 months ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.2: +45 -379 lines

Merge up to 2.6.15-rc5.
Merge of 2.6.x-xfs-melb:linux:24672a by kenmcd.

/*
 *  linux/arch/arm/lib/memcpy.S
 *
 *  Author:	Nicolas Pitre
 *  Created:	Sep 28, 2005
 *  Copyright:	MontaVista Software, Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 */

#include <linux/linkage.h>
#include <asm/assembler.h>

	.macro ldr1w ptr reg abort
	ldr \reg, [\ptr], #4
	.endm

	.macro ldr4w ptr reg1 reg2 reg3 reg4 abort
	ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4}
	.endm

	.macro ldr8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort
	ldmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8}
	.endm

	.macro ldr1b ptr reg cond=al abort
	ldr\cond\()b \reg, [\ptr], #1
	.endm

	.macro str1w ptr reg abort
	str \reg, [\ptr], #4
	.endm

	.macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort
	stmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8}
	.endm

	.macro str1b ptr reg cond=al abort
	str\cond\()b \reg, [\ptr], #1
	.endm

	.macro enter reg1 reg2
	stmdb sp!, {r0, \reg1, \reg2}
	.endm

	.macro exit reg1 reg2
	ldmfd sp!, {r0, \reg1, \reg2}
	.endm

	.text

/* Prototype: void *memcpy(void *dest, const void *src, size_t n); */

ENTRY(memcpy)

#include "copy_template.S"