FreeCalypso > hg > freecalypso-tools

view target-utils/libc/strlen.S @ 714:e78c7ab3b0e6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
loadtool.help: flash prot-reg and flash compal-imei additions documented
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 06 Jun 2020 17:36:13 +0000
parents 3670e7768ab6
children
line wrap: on
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