putstr.S revision 1.2 1 1.2 martin /* $NetBSD: putstr.S,v 1.2 2008/04/28 20:23:25 martin 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 *
19 1.1 dsl * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 dsl * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 dsl * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 dsl * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 dsl * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 dsl * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 dsl * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 dsl * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 dsl * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 dsl * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 dsl * POSSIBILITY OF SUCH DAMAGE.
30 1.1 dsl */
31 1.1 dsl
32 1.1 dsl #include <machine/asm.h>
33 1.1 dsl
34 1.1 dsl /*
35 1.1 dsl * Diagnostic print routines callable from 32bit C code during early
36 1.1 dsl * parts of the boot process.
37 1.1 dsl */
38 1.1 dsl
39 1.1 dsl /*
40 1.1 dsl * void putstr(const char *)
41 1.1 dsl *
42 1.1 dsl * display message on console
43 1.1 dsl * bugs: message address must be less than 64k
44 1.1 dsl */
45 1.1 dsl
46 1.1 dsl .globl _C_LABEL(putstr)
47 1.1 dsl _C_LABEL(putstr):
48 1.1 dsl .code32
49 1.1 dsl movl 4(%esp), %eax
50 1.1 dsl pusha
51 1.1 dsl movl %eax, %esi
52 1.1 dsl
53 1.1 dsl call _C_LABEL(prot_to_real)
54 1.1 dsl .code16
55 1.1 dsl
56 1.1 dsl movl %esi, %eax
57 1.1 dsl call message
58 1.1 dsl
59 1.1 dsl calll _C_LABEL(real_to_prot)
60 1.1 dsl .code32
61 1.1 dsl popa
62 1.1 dsl ret
63 1.1 dsl
64 1.1 dsl /*
65 1.1 dsl * void putint(int)
66 1.1 dsl *
67 1.1 dsl * display value on console as 8 hex digits followed by a space
68 1.1 dsl */
69 1.1 dsl
70 1.1 dsl .globl _C_LABEL(putint)
71 1.1 dsl _C_LABEL(putint):
72 1.1 dsl .code32
73 1.1 dsl movl 4(%esp), %eax
74 1.1 dsl pusha
75 1.1 dsl
76 1.1 dsl call _C_LABEL(prot_to_real)
77 1.1 dsl .code16
78 1.1 dsl
79 1.1 dsl call dump_eax
80 1.1 dsl
81 1.1 dsl calll _C_LABEL(real_to_prot)
82 1.1 dsl .code32
83 1.1 dsl popa
84 1.1 dsl ret
85