FreeCalypso > hg > freecalypso-tools

view target-utils/libc/strlen.S @ 318:182c3ae209f6

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compile-fc-batt tool written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 17 Dec 2017 00:57:42 +0000
parents 3670e7768ab6
children
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line source

	.text
	.code	32
	.globl	strlen
strlen:
	mov	r1, r0
1:	ldrb	r2, [r0], #1
	cmn	r2, #0
	bne	1b
	sbc	r0, r0, r1
	bx	lr