blob: 7f3aad8efdf08661d9b4e4bbad6065da01f9a879 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
/*
* <console.c>
*
* Simple text console
*
* Copyright (C) 2005 Stefan Reinauer <stepan@openbios.org>
* Copyright (C) 2013 Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation
*
*/
#include "config.h"
#include "libopenbios/bindings.h"
#include "libopenbios/console.h"
#include "drivers/drivers.h"
/* ******************************************************************
* common functions, implementing simple concurrent console
* ****************************************************************** */
/* Dummy routines for when console is unassigned */
static int dummy_putchar(int c)
{
return c;
}
static int dummy_availchar(void)
{
return 0;
}
static int dummy_getchar(void)
{
return 0;
}
struct _console_ops console_ops = {
.putchar = dummy_putchar,
.availchar = dummy_availchar,
.getchar = dummy_getchar
};
#ifdef CONFIG_DEBUG_CONSOLE
void init_console(struct _console_ops ops)
{
console_ops = ops;
}
int putchar(int c)
{
return (*console_ops.putchar)(c);
}
int availchar(void)
{
return (*console_ops.availchar)();
}
int getchar(void)
{
return (*console_ops.getchar)();
}
#endif // CONFIG_DEBUG_CONSOLE
|
