| /* |
| * 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" |
| |
| ENDPROC(memcpy) |