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git01.mediatek.com / filogic / uboot / 7a05b1e20df029fb77aa30cfebc222d84feba837 / . / lib / efi_selftest / efi_selftest_textinputex.c
blob: 935bf065c42515fd674a6084cdaf594642425575 [file] [log] [blame]
Heinrich Schuchardt7a05b1e2018-09-11 22:38:10 +0200[diff] [blame^]1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * efi_selftest_textinput
4 *
5 * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
6 *
7 * Provides a unit test for the EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
8 * The unicode character and the scan code are printed for text
9 * input. To run the test:
10 *
11 * setenv efi_selftest extended text input
12 * bootefi selftest
13 */
14
15#include <efi_selftest.h>
16
17static const efi_guid_t text_input_ex_protocol_guid =
18 EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID;
19
20static struct efi_simple_text_input_ex_protocol *con_in_ex;
21
22static struct efi_boot_services *boottime;
23
24/*
25 * Setup unit test.
26 *
27 * @handle: handle of the loaded image
28 * @systable: system table
29 * @return: EFI_ST_SUCCESS for success
30 */
31static int setup(const efi_handle_t handle,
32 const struct efi_system_table *systable)
33{
34 efi_status_t ret;
35
36 boottime = systable->boottime;
37
38 ret = boottime->locate_protocol(&text_input_ex_protocol_guid, NULL,
39 (void **)&con_in_ex);
40 if (ret != EFI_SUCCESS) {
41 con_in_ex = NULL;
42 efi_st_error
43 ("Extended text input protocol is not available.\n");
44 return EFI_ST_FAILURE;
45 }
46
47 return EFI_ST_SUCCESS;
48}
49
50/*
51 * Execute unit test.
52 *
53 * @return: EFI_ST_SUCCESS for success
54 */
55static int execute(void)
56{
57 struct efi_key_data input_key = {0,};
58 efi_status_t ret;
59 efi_uintn_t index;
60
61 if (!con_in_ex) {
62 efi_st_printf("Setup failed\n");
63 return EFI_ST_FAILURE;
64 }
65
66 /* Drain the console input */
67 ret = con_in_ex->reset(con_in_ex, true);
68 if (ret != EFI_SUCCESS) {
69 efi_st_error("Reset failed\n");
70 return EFI_ST_FAILURE;
71 }
72 ret = con_in_ex->read_key_stroke_ex(con_in_ex, &input_key);
73 if (ret != EFI_NOT_READY) {
74 efi_st_error("Empty buffer not reported\n");
75 return EFI_ST_FAILURE;
76 }
77
78 efi_st_printf("Waiting for your input\n");
79 efi_st_printf("To terminate type 'x'\n");
80
81 for (;;) {
82 /* Wait for next key */
83 ret = boottime->wait_for_event(1, &con_in_ex->wait_for_key_ex,
84 &index);
85 if (ret != EFI_ST_SUCCESS) {
86 efi_st_error("WaitForEvent failed\n");
87 return EFI_ST_FAILURE;
88 }
89 ret = con_in_ex->read_key_stroke_ex(con_in_ex, &input_key);
90 if (ret != EFI_SUCCESS) {
91 efi_st_error("ReadKeyStroke failed\n");
92 return EFI_ST_FAILURE;
93 }
94
95 /* Allow 5 minutes until time out */
96 boottime->set_watchdog_timer(300, 0, 0, NULL);
97
98 efi_st_printf("Unicode char %u (%ps), scan code %u (",
99 (unsigned int)input_key.key.unicode_char,
100 efi_st_translate_char(input_key.key.unicode_char),
101 (unsigned int)input_key.key.scan_code);
102 if (input_key.key_state.key_shift_state &
103 EFI_SHIFT_STATE_VALID) {
104 if (input_key.key_state.key_shift_state &
105 (EFI_LEFT_SHIFT_PRESSED | EFI_RIGHT_SHIFT_PRESSED))
106 efi_st_printf("SHIFT+");
107 if (input_key.key_state.key_shift_state &
108 (EFI_LEFT_ALT_PRESSED | EFI_RIGHT_ALT_PRESSED))
109 efi_st_printf("ALT+");
110 if (input_key.key_state.key_shift_state &
111 (EFI_LEFT_CONTROL_PRESSED |
112 EFI_RIGHT_CONTROL_PRESSED))
113 efi_st_printf("CTRL+");
114 if (input_key.key_state.key_shift_state &
115 (EFI_LEFT_LOGO_PRESSED | EFI_RIGHT_LOGO_PRESSED))
116 efi_st_printf("META+");
117 if (input_key.key_state.key_shift_state ==
118 EFI_SHIFT_STATE_VALID)
119 efi_st_printf("+");
120 }
121
122 efi_st_printf("%ps)\n",
123 efi_st_translate_code(input_key.key.scan_code));
124
125 switch (input_key.key.unicode_char) {
126 case 'x':
127 case 'X':
128 return EFI_ST_SUCCESS;
129 }
130 }
131}
132
133EFI_UNIT_TEST(textinputex) = {
134 .name = "extended text input",
135 .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
136 .setup = setup,
137 .execute = execute,
138 .on_request = true,
139};