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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*-
* spinconsole.c
*
* Author: Maksym Sobolyev <sobomax@sippysoft.com>
* Copyright (c) 2009 Sippy Software, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*/
#include <stand.h>
#include <bootstrap.h>
static void spinc_probe(struct console *cp);
static int spinc_init(int arg);
static void spinc_putchar(int c);
static int spinc_getchar(void);
static int spinc_ischar(void);
extern struct console *consoles[];
struct console spinconsole = {
"spinconsole",
"spin port",
0,
spinc_probe,
spinc_init,
spinc_putchar,
spinc_getchar,
spinc_ischar
};
static struct console *parent = NULL;
static void
spinc_probe(struct console *cp)
{
if (parent == NULL)
parent = consoles[0];
parent->c_probe(cp);
}
static int
spinc_init(int arg)
{
return(parent->c_init(arg));
}
static void
spinc_putchar(int c)
{
static unsigned tw_chars = 0x5C2D2F7C; /* "\-/|" */
static time_t lasttime = 0;
time_t now;
now = time(0);
if (now < (lasttime + 1))
return;
#ifdef TERM_EMU
if (lasttime > 0)
parent->c_out('\b');
#endif
lasttime = now;
parent->c_out((char)tw_chars);
tw_chars = (tw_chars >> 8) | ((tw_chars & (unsigned long)0xFF) << 24);
}
static int
spinc_getchar(void)
{
return(-1);
}
static int
spinc_ischar(void)
{
return(0);
}
|
