1/*	$NetBSD: bios.S,v 1.1 2009/04/22 17:13:36 tsutsui Exp $	*/
2
3/*-
4 * Copyright (C) 2005 NONAKA Kimihiro <nonaka@netbsd.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <machine/asm.h>
29
30/*
31 * int getchar(void);
32 */
33ENTRY(getchar)
34	mov	#0, r4
35	mov	#1, r0
36	trapa	#0x3f
37	rts
38	 nop
39
40/*
41 * void putchar(int c);
42 */
43ENTRY(putchar)
44	mov	#31, r0
45	trapa	#0x3f
46	rts
47	 nop
48
49/*
50 * __dead void _rtt(void);
51 */
52ENTRY(_rtt)
53	mov	#1, r4			/* reboot */
54	mov	#11, r0
55	trapa	#0x3f
56	mov.l	.L.start, r0
57	jmp	@r0
58	 nop
59
60.L.start:
61	.long	0xc0000000
62