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view target-utils/env/crt0.S @ 25:796da8d60b23

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target-utils: top-level Makefile created like in the Book-E-MON and SDSL CPE source trees by the same author
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 04 May 2013 05:02:04 +0000
parents 40f607bb0a2c
children
line wrap: on
line source

#include "halt.h"

	.text
	.code	32
	.global	_entry
_entry:
	ldr	sp, =stack_bottom
@ zero bss
	ldr	r0, =__bss_start
	ldr	r2, =__bss_end
	sub	r1, r2, r0
	bl	bzero
@ C code entry
	bl	main
	mov	r0, #HALTCODE_MAINEXITED
	.global	_exit
_exit:	nop
1:	nop
	b	1b