1 /*-
2 * Copyright (c) 2007 Semihalf, Rafal Jaworowski <[email protected]>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <stand.h>
28 #include "bootstrap.h"
29 #include "glue.h"
30
31 int console;
32
33 static void uboot_cons_probe(struct console *cp);
34 static int uboot_cons_init(int);
35 static void uboot_cons_putchar(int);
36 static int uboot_cons_getchar(void);
37 static int uboot_cons_poll(void);
38
39 struct console uboot_console = {
40 "uboot",
41 "U-Boot console",
42 0,
43 uboot_cons_probe,
44 uboot_cons_init,
45 uboot_cons_putchar,
46 uboot_cons_getchar,
47 uboot_cons_poll,
48 };
49
50 static void
uboot_cons_probe(struct console * cp)51 uboot_cons_probe(struct console *cp)
52 {
53
54 cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
55 }
56
57 static int
uboot_cons_init(int arg)58 uboot_cons_init(int arg)
59 {
60
61 return (0);
62 }
63
64 static void
uboot_cons_putchar(int c)65 uboot_cons_putchar(int c)
66 {
67
68 if (c == '\n')
69 ub_putc('\r');
70
71 ub_putc(c);
72 }
73
74 static int
uboot_cons_getchar(void)75 uboot_cons_getchar(void)
76 {
77
78 return (ub_getc());
79 }
80
81 static int
uboot_cons_poll(void)82 uboot_cons_poll(void)
83 {
84
85 return (ub_tstc());
86 }
87