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view target-utils/libc/memcpy.S @ 467:dc2fd8e6f42c

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uptools/atcmd: null pointer passing fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 11 Feb 2019 22:17:46 +0000
parents f4619719834f
children
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line source

	.text
	.code	32
	.globl	memcpy
memcpy:
1:	subs	r2, r2, #1
	ldrcsb	r3, [r1], #1
	strcsb	r3, [r0], #1
	bhi	1b
	bx	lr