xref: /minix3/sys/arch/i386/stand/lib/putstr32.S (revision 58a2b0008e28f606a7f7f5faaeaba4faac57a1ea)
1*58a2b000SEvgeniy Ivanov/*	$NetBSD: putstr32.S,v 1.1 2011/06/02 18:53:00 dsl Exp $	*/
2*58a2b000SEvgeniy Ivanov
3*58a2b000SEvgeniy Ivanov/*-
4*58a2b000SEvgeniy Ivanov * Copyright (c) 20011 The NetBSD Foundation, Inc.
5*58a2b000SEvgeniy Ivanov * All rights reserved.
6*58a2b000SEvgeniy Ivanov *
7*58a2b000SEvgeniy Ivanov * This code is derived from software contributed to The NetBSD Foundation
8*58a2b000SEvgeniy Ivanov * by David Laight.
9*58a2b000SEvgeniy Ivanov *
10*58a2b000SEvgeniy Ivanov * Redistribution and use in source and binary forms, with or without
11*58a2b000SEvgeniy Ivanov * modification, are permitted provided that the following conditions
12*58a2b000SEvgeniy Ivanov * are met:
13*58a2b000SEvgeniy Ivanov * 1. Redistributions of source code must retain the above copyright
14*58a2b000SEvgeniy Ivanov *    notice, this list of conditions and the following disclaimer.
15*58a2b000SEvgeniy Ivanov * 2. Redistributions in binary form must reproduce the above copyright
16*58a2b000SEvgeniy Ivanov *    notice, this list of conditions and the following disclaimer in the
17*58a2b000SEvgeniy Ivanov *    documentation and/or other materials provided with the distribution.
18*58a2b000SEvgeniy Ivanov *
19*58a2b000SEvgeniy Ivanov * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*58a2b000SEvgeniy Ivanov * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*58a2b000SEvgeniy Ivanov * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*58a2b000SEvgeniy Ivanov * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*58a2b000SEvgeniy Ivanov * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*58a2b000SEvgeniy Ivanov * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*58a2b000SEvgeniy Ivanov * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*58a2b000SEvgeniy Ivanov * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*58a2b000SEvgeniy Ivanov * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*58a2b000SEvgeniy Ivanov * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*58a2b000SEvgeniy Ivanov * POSSIBILITY OF SUCH DAMAGE.
30*58a2b000SEvgeniy Ivanov */
31*58a2b000SEvgeniy Ivanov
32*58a2b000SEvgeniy Ivanov#include <machine/asm.h>
33*58a2b000SEvgeniy Ivanov
34*58a2b000SEvgeniy Ivanov/*
35*58a2b000SEvgeniy Ivanov * Diagnostic print routines callable from 32bit C code during early
36*58a2b000SEvgeniy Ivanov * parts of the boot process.
37*58a2b000SEvgeniy Ivanov */
38*58a2b000SEvgeniy Ivanov
39*58a2b000SEvgeniy Ivanov/*
40*58a2b000SEvgeniy Ivanov * void putstr(const char *)
41*58a2b000SEvgeniy Ivanov *
42*58a2b000SEvgeniy Ivanov * display message on serial port
43*58a2b000SEvgeniy Ivanov */
44*58a2b000SEvgeniy Ivanov
45*58a2b000SEvgeniy Ivanov	.globl	_C_LABEL(putstr32)
46*58a2b000SEvgeniy Ivanov_C_LABEL(putstr32):
47*58a2b000SEvgeniy Ivanov	.code32
48*58a2b000SEvgeniy Ivanov	push	%esi
49*58a2b000SEvgeniy Ivanov	movl	8(%esp), %esi
50*58a2b000SEvgeniy Ivanov
51*58a2b000SEvgeniy Ivanov	call	message32
52*58a2b000SEvgeniy Ivanov
53*58a2b000SEvgeniy Ivanov	pop	%esi
54*58a2b000SEvgeniy Ivanov	ret
55*58a2b000SEvgeniy Ivanov
56*58a2b000SEvgeniy Ivanov/*
57*58a2b000SEvgeniy Ivanov * void putint(int)
58*58a2b000SEvgeniy Ivanov *
59*58a2b000SEvgeniy Ivanov * display value on serial port as 8 hex digits followed by a space
60*58a2b000SEvgeniy Ivanov */
61*58a2b000SEvgeniy Ivanov
62*58a2b000SEvgeniy Ivanov	.globl	_C_LABEL(putint32)
63*58a2b000SEvgeniy Ivanov_C_LABEL(putint32):
64*58a2b000SEvgeniy Ivanov	.code32
65*58a2b000SEvgeniy Ivanov	movl	4(%esp), %eax
66*58a2b000SEvgeniy Ivanov
67*58a2b000SEvgeniy Ivanov	call	dump_eax32
68*58a2b000SEvgeniy Ivanov
69*58a2b000SEvgeniy Ivanov	ret
70