view target-utils/libbase/waitarm.S @ 476:0615d54c2d2e

target-utils/calversion/crt0.S: symlink was checked in erroneously, removing
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 13 Feb 2019 06:14:30 +0000
parents 6228d27738d1
children 06ad5e30e8d0
line wrap: on
line source

/*
 * This assembly module provides a wait_ARM_cycles() function just like
 * in TI's firmware; it is meant to gradually replace and phase out
 * osmo_delay_ms().  One loop count for this function equals 5 ARM clock
 * cycles when running out of IRAM.
 */

	.text
	.code	32
	.globl	wait_ARM_cycles
wait_ARM_cycles:
	cmp	r0, #0
	bxeq	lr
1:	sub	r0, r0, #1
	cmp	r0, #0
	bne	1b
	bx	lr