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