1 /*-
2 * Copyright (c) 2013 Robert N. M. Watson
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237)
7 * ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/param.h>
35
36 #include <bootstrap.h>
37
38 #include <cons.h>
39
40 static void c_probe(struct console *);
41 static int c_init(int);
42 static void c_out(int);
43 static int c_in(void);
44 static int c_ready(void);
45
46 struct console altera_jtag_uart_console = {
47 .c_name = "comconsole",
48 .c_desc = "altera jtag uart",
49 .c_flags = 0,
50 .c_probe = c_probe,
51 .c_init = c_init,
52 .c_out = c_out,
53 .c_in = c_in,
54 .c_ready = c_ready,
55 };
56
57 static void
c_probe(struct console * cp)58 c_probe(struct console *cp)
59 {
60
61 cp->c_flags |= C_PRESENTIN|C_PRESENTOUT;
62 }
63
64 static int
c_init(int arg)65 c_init(int arg)
66 {
67
68 return (0);
69 }
70
71 static void
c_out(int c)72 c_out(int c)
73 {
74
75 beri_putc(c);
76 }
77
78 static int
c_in(void)79 c_in(void)
80 {
81
82 return (beri_getc());
83 }
84
85 static int
c_ready(void)86 c_ready(void)
87 {
88
89 return (keyhit(0));
90 }
91