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 <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29
30 #include <stand.h>
31 #include "bootstrap.h"
32 #include "glue.h"
33
34 int console;
35
36 static void uboot_cons_probe(struct console *cp);
37 static int uboot_cons_init(int);
38 static void uboot_cons_putchar(int);
39 static int uboot_cons_getchar(void);
40 static int uboot_cons_poll(void);
41
42 struct console uboot_console = {
43 "uboot",
44 "U-Boot console",
45 0,
46 uboot_cons_probe,
47 uboot_cons_init,
48 uboot_cons_putchar,
49 uboot_cons_getchar,
50 uboot_cons_poll,
51 };
52
53 static void
uboot_cons_probe(struct console * cp)54 uboot_cons_probe(struct console *cp)
55 {
56
57 cp->c_flags |= (C_PRESENTIN | C_PRESENTOUT);
58 }
59
60 static int
uboot_cons_init(int arg)61 uboot_cons_init(int arg)
62 {
63
64 return (0);
65 }
66
67 static void
uboot_cons_putchar(int c)68 uboot_cons_putchar(int c)
69 {
70
71 if (c == '\n')
72 ub_putc('\r');
73
74 ub_putc(c);
75 }
76
77 static int
uboot_cons_getchar()78 uboot_cons_getchar()
79 {
80
81 return (ub_getc());
82 }
83
84 static int
uboot_cons_poll()85 uboot_cons_poll()
86 {
87
88 return (ub_tstc());
89 }
90