putstr.S revision 1.1 1 1.1 dsl /* $NetBSD: putstr.S,v 1.1 2003/04/16 13:24:10 dsl Exp $ */
2 1.1 dsl
3 1.1 dsl /*-
4 1.1 dsl * Copyright (c) 2003 The NetBSD Foundation, Inc.
5 1.1 dsl * All rights reserved.
6 1.1 dsl *
7 1.1 dsl * This code is derived from software contributed to The NetBSD Foundation
8 1.1 dsl * by David Laight.
9 1.1 dsl *
10 1.1 dsl * Redistribution and use in source and binary forms, with or without
11 1.1 dsl * modification, are permitted provided that the following conditions
12 1.1 dsl * are met:
13 1.1 dsl * 1. Redistributions of source code must retain the above copyright
14 1.1 dsl * notice, this list of conditions and the following disclaimer.
15 1.1 dsl * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 dsl * notice, this list of conditions and the following disclaimer in the
17 1.1 dsl * documentation and/or other materials provided with the distribution.
18 1.1 dsl * 3. All advertising materials mentioning features or use of this software
19 1.1 dsl * must display the following acknowledgement:
20 1.1 dsl * This product includes software developed by the NetBSD
21 1.1 dsl * Foundation, Inc. and its contributors.
22 1.1 dsl * 4. Neither the name of The NetBSD Foundation nor the names of its
23 1.1 dsl * contributors may be used to endorse or promote products derived
24 1.1 dsl * from this software without specific prior written permission.
25 1.1 dsl *
26 1.1 dsl * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 1.1 dsl * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 1.1 dsl * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 1.1 dsl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 1.1 dsl * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 1.1 dsl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 1.1 dsl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 1.1 dsl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 1.1 dsl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 1.1 dsl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 1.1 dsl * POSSIBILITY OF SUCH DAMAGE.
37 1.1 dsl */
38 1.1 dsl
39 1.1 dsl #include <machine/asm.h>
40 1.1 dsl
41 1.1 dsl /*
42 1.1 dsl * Diagnostic print routines callable from 32bit C code during early
43 1.1 dsl * parts of the boot process.
44 1.1 dsl */
45 1.1 dsl
46 1.1 dsl /*
47 1.1 dsl * void putstr(const char *)
48 1.1 dsl *
49 1.1 dsl * display message on console
50 1.1 dsl * bugs: message address must be less than 64k
51 1.1 dsl */
52 1.1 dsl
53 1.1 dsl .globl _C_LABEL(putstr)
54 1.1 dsl _C_LABEL(putstr):
55 1.1 dsl .code32
56 1.1 dsl movl 4(%esp), %eax
57 1.1 dsl pusha
58 1.1 dsl movl %eax, %esi
59 1.1 dsl
60 1.1 dsl call _C_LABEL(prot_to_real)
61 1.1 dsl .code16
62 1.1 dsl
63 1.1 dsl movl %esi, %eax
64 1.1 dsl call message
65 1.1 dsl
66 1.1 dsl calll _C_LABEL(real_to_prot)
67 1.1 dsl .code32
68 1.1 dsl popa
69 1.1 dsl ret
70 1.1 dsl
71 1.1 dsl /*
72 1.1 dsl * void putint(int)
73 1.1 dsl *
74 1.1 dsl * display value on console as 8 hex digits followed by a space
75 1.1 dsl */
76 1.1 dsl
77 1.1 dsl .globl _C_LABEL(putint)
78 1.1 dsl _C_LABEL(putint):
79 1.1 dsl .code32
80 1.1 dsl movl 4(%esp), %eax
81 1.1 dsl pusha
82 1.1 dsl
83 1.1 dsl call _C_LABEL(prot_to_real)
84 1.1 dsl .code16
85 1.1 dsl
86 1.1 dsl call dump_eax
87 1.1 dsl
88 1.1 dsl calll _C_LABEL(real_to_prot)
89 1.1 dsl .code32
90 1.1 dsl popa
91 1.1 dsl ret
92