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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2011 Free Software Foundation, Inc.
*
* GRUB 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, either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/arc/arc.h>
#include <grub/arc/console.h>
#include <grub/term.h>
#include <grub/terminfo.h>
/* FIXME: use unicode. */
static int
readkey (struct grub_term_input *term __attribute__ ((unused)))
{
unsigned long count;
char chr;
if (GRUB_ARC_FIRMWARE_VECTOR->get_read_status (GRUB_ARC_STDIN))
return -1;
if (GRUB_ARC_FIRMWARE_VECTOR->read (GRUB_ARC_STDIN, &chr, 1, &count))
return -1;
if (!count)
return -1;
return chr;
}
static void
put (struct grub_term_output *term __attribute__ ((unused)), const int c)
{
unsigned long count;
char chr = c;
GRUB_ARC_FIRMWARE_VECTOR->write (GRUB_ARC_STDOUT, &chr, 1, &count);
}
static struct grub_terminfo_output_state grub_console_terminfo_output;
int
grub_arc_is_device_serial (const char *name, int alt_names)
{
if (name[0] == '\0')
return 0;
const char *ptr = name + grub_strlen (name) - 1;
int i;
/*
Recognize:
serial(N)
serial(N)line(M)
*/
for (i = 0; i < 2; i++)
{
if (!alt_names)
{
if (*ptr != ')')
return 0;
ptr--;
}
for (; ptr >= name && grub_isdigit (*ptr); ptr--);
if (ptr < name)
return 0;
if (!alt_names)
{
if (*ptr != '(')
return 0;
ptr--;
}
if (ptr + 1 >= name + sizeof ("serial") - 1
&& grub_memcmp (ptr + 1 - (sizeof ("serial") - 1),
"serial", sizeof ("serial") - 1) == 0)
return 1;
if (!(ptr + 1 >= name + sizeof ("line") - 1
&& grub_memcmp (ptr + 1 - (sizeof ("line") - 1),
"line", sizeof ("line") - 1) == 0))
return 0;
ptr -= sizeof ("line") - 1;
if (alt_names)
{
if (*ptr != '/')
return 0;
ptr--;
}
}
return 0;
}
static int
check_is_serial (void)
{
static int is_serial = -1;
if (is_serial != -1)
return is_serial;
const char *consout = 0;
/* Check for serial. It works unless user manually overrides ConsoleOut
variable. If he does there is nothing we can do. Fortunately failure
isn't critical.
*/
if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
>= (unsigned) ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable + 1)
- (char *) GRUB_ARC_FIRMWARE_VECTOR)
&& GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable)
consout = GRUB_ARC_FIRMWARE_VECTOR->getenvironmentvariable ("ConsoleOut");
if (!consout)
return is_serial = 0;
return is_serial = grub_arc_is_device_serial (consout, 0);
}
static void
set_console_dimensions (void)
{
struct grub_arc_display_status *info = NULL;
if (check_is_serial ())
{
grub_console_terminfo_output.size.x = 80;
grub_console_terminfo_output.size.y = 24;
return;
}
if (GRUB_ARC_SYSTEM_PARAMETER_BLOCK->firmware_vector_length
>= (unsigned) ((char *) (&GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus + 1)
- (char *) GRUB_ARC_FIRMWARE_VECTOR)
&& GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus)
info = GRUB_ARC_FIRMWARE_VECTOR->getdisplaystatus (GRUB_ARC_STDOUT);
if (info)
{
grub_console_terminfo_output.size.x = info->w + 1;
grub_console_terminfo_output.size.y = info->h + 1;
}
}
static grub_err_t
grub_console_init_output (struct grub_term_output *term)
{
set_console_dimensions ();
grub_terminfo_output_init (term);
return 0;
}
static struct grub_terminfo_input_state grub_console_terminfo_input =
{
.readkey = readkey
};
static struct grub_terminfo_output_state grub_console_terminfo_output =
{
.put = put,
.size = { 80, 20 }
};
static struct grub_term_input grub_console_term_input =
{
.name = "console",
.init = grub_terminfo_input_init,
.getkey = grub_terminfo_getkey,
.data = &grub_console_terminfo_input
};
static struct grub_term_output grub_console_term_output =
{
.name = "console",
.init = grub_console_init_output,
.putchar = grub_terminfo_putchar,
.getxy = grub_terminfo_getxy,
.getwh = grub_terminfo_getwh,
.gotoxy = grub_terminfo_gotoxy,
.cls = grub_terminfo_cls,
.setcolorstate = grub_terminfo_setcolorstate,
.setcursor = grub_terminfo_setcursor,
.flags = GRUB_TERM_CODE_TYPE_ASCII,
.data = &grub_console_terminfo_output,
.progress_update_divisor = GRUB_PROGRESS_FAST
};
void
grub_console_init_early (void)
{
grub_term_register_input ("console", &grub_console_term_input);
grub_term_register_output ("console", &grub_console_term_output);
}
void
grub_console_init_lately (void)
{
grub_terminfo_init ();
if (check_is_serial ())
grub_terminfo_output_register (&grub_console_term_output, "vt100");
else
grub_terminfo_output_register (&grub_console_term_output, "arc");
}
|
