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
|
// SPDX-License-Identifier: GPL-2.0+
/*
* efi_selftest_textinput
*
* Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
*
* Provides a unit test for the EFI_SIMPLE_TEXT_INPUT_PROTOCOL.
* The unicode character and the scan code are printed for text
* input. To run the test:
*
* setenv efi_selftest text input
* bootefi selftest
*/
#include <efi_selftest.h>
struct translate {
u16 code;
u16 *text;
};
static struct efi_boot_services *boottime;
static struct translate control_characters[] = {
{0, L"Null"},
{8, L"BS"},
{9, L"TAB"},
{10, L"LF"},
{13, L"CR"},
{0, NULL},
};
static u16 ch[] = L"' '";
static u16 unknown[] = L"unknown";
static struct translate scan_codes[] = {
{0x00, L"Null"},
{0x01, L"Up"},
{0x02, L"Down"},
{0x03, L"Right"},
{0x04, L"Left"},
{0x05, L"Home"},
{0x06, L"End"},
{0x07, L"Insert"},
{0x08, L"Delete"},
{0x09, L"Page Up"},
{0x0a, L"Page Down"},
{0x0b, L"FN 1"},
{0x0c, L"FN 2"},
{0x0d, L"FN 3"},
{0x0e, L"FN 4"},
{0x0f, L"FN 5"},
{0x10, L"FN 6"},
{0x11, L"FN 7"},
{0x12, L"FN 8"},
{0x13, L"FN 9"},
{0x14, L"FN 10"},
{0x15, L"FN 11"},
{0x16, L"FN 12"},
{0x17, L"Escape"},
{0x68, L"FN 13"},
{0x69, L"FN 14"},
{0x6a, L"FN 15"},
{0x6b, L"FN 16"},
{0x6c, L"FN 17"},
{0x6d, L"FN 18"},
{0x6e, L"FN 19"},
{0x6f, L"FN 20"},
{0x70, L"FN 21"},
{0x71, L"FN 22"},
{0x72, L"FN 23"},
{0x73, L"FN 24"},
{0x7f, L"Mute"},
{0x80, L"Volume Up"},
{0x81, L"Volume Down"},
{0x100, L"Brightness Up"},
{0x101, L"Brightness Down"},
{0x102, L"Suspend"},
{0x103, L"Hibernate"},
{0x104, L"Toggle Display"},
{0x105, L"Recovery"},
{0x106, L"Reject"},
{0x0, NULL},
};
/*
* Translate a unicode character to a string.
*
* @code unicode character
* @return string
*/
static u16 *translate_char(u16 code)
{
struct translate *tr;
if (code >= ' ') {
ch[1] = code;
return ch;
}
for (tr = control_characters; tr->text; ++tr) {
if (tr->code == code)
return tr->text;
}
return unknown;
}
/*
* Translate a scan code to a human readable string.
*
* @code unicode character
* @return string
*/
static u16 *translate_code(u16 code)
{
struct translate *tr;
for (tr = scan_codes; tr->text; ++tr) {
if (tr->code == code)
return tr->text;
}
return unknown;
}
/*
* Setup unit test.
*
* @handle: handle of the loaded image
* @systable: system table
* @return: EFI_ST_SUCCESS for success
*/
static int setup(const efi_handle_t handle,
const struct efi_system_table *systable)
{
boottime = systable->boottime;
return EFI_ST_SUCCESS;
}
/*
* Execute unit test.
*
* @return: EFI_ST_SUCCESS for success
*/
static int execute(void)
{
struct efi_input_key input_key = {0};
efi_status_t ret;
efi_st_printf("Waiting for your input\n");
efi_st_printf("To terminate type 'x'\n");
for (;;) {
/* Wait for next key */
do {
ret = con_in->read_key_stroke(con_in, &input_key);
} while (ret == EFI_NOT_READY);
/* Allow 5 minutes until time out */
boottime->set_watchdog_timer(300, 0, 0, NULL);
efi_st_printf("Unicode char %u (%ps), scan code %u (%ps)\n",
(unsigned int)input_key.unicode_char,
translate_char(input_key.unicode_char),
(unsigned int)input_key.scan_code,
translate_code(input_key.scan_code));
switch (input_key.unicode_char) {
case 'x':
case 'X':
return EFI_ST_SUCCESS;
}
}
}
EFI_UNIT_TEST(textinput) = {
.name = "text input",
.phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
.setup = setup,
.execute = execute,
.on_request = true,
};
|