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author | laforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-09-12 17:35:30 +0000 |
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committer | laforge <laforge@6dc7ffe9-61d6-0310-9af1-9938baff3ed1> | 2006-09-12 17:35:30 +0000 |
commit | d256545b2fd62d78910efcc6273c3b70abd3aa13 (patch) | |
tree | a05e17ec752cfbcc0b79fdbfba81fb949545a112 /firmware/lib/memcpy.S | |
parent | 04e0441914eeb25e042189679b55c9577fc96d2a (diff) |
move to new directory
git-svn-id: https://svn.openpcd.org:2342/trunk@191 6dc7ffe9-61d6-0310-9af1-9938baff3ed1
Diffstat (limited to 'firmware/lib/memcpy.S')
-rw-r--r-- | firmware/lib/memcpy.S | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/firmware/lib/memcpy.S b/firmware/lib/memcpy.S new file mode 100644 index 0000000..2bbd569 --- /dev/null +++ b/firmware/lib/memcpy.S @@ -0,0 +1,59 @@ +/* + * 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 <asm/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" + |