| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * efi_selftest_util |
| * |
| * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> |
| * |
| * Utility functions |
| */ |
| |
| #include <efi_selftest.h> |
| |
| struct efi_st_translate { |
| u16 code; |
| u16 *text; |
| }; |
| |
| static struct efi_st_translate efi_st_control_characters[] = { |
| {0, L"Null"}, |
| {8, L"BS"}, |
| {9, L"TAB"}, |
| {10, L"LF"}, |
| {13, L"CR"}, |
| {0, NULL}, |
| }; |
| |
| static u16 efi_st_ch[] = L"' '"; |
| static u16 efi_st_unknown[] = L"unknown"; |
| |
| static struct efi_st_translate efi_st_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}, |
| }; |
| |
| u16 *efi_st_translate_char(u16 code) |
| { |
| struct efi_st_translate *tr; |
| |
| if (code >= ' ') { |
| efi_st_ch[1] = code; |
| return efi_st_ch; |
| } |
| for (tr = efi_st_control_characters; tr->text; ++tr) { |
| if (tr->code == code) |
| return tr->text; |
| } |
| return efi_st_unknown; |
| } |
| |
| u16 *efi_st_translate_code(u16 code) |
| { |
| struct efi_st_translate *tr; |
| |
| for (tr = efi_st_scan_codes; tr->text; ++tr) { |
| if (tr->code == code) |
| return tr->text; |
| } |
| return efi_st_unknown; |
| } |
| |
| int efi_st_memcmp(const void *buf1, const void *buf2, size_t length) |
| { |
| const u8 *pos1 = buf1; |
| const u8 *pos2 = buf2; |
| |
| for (; length; --length) { |
| if (*pos1 != *pos2) |
| return *pos1 - *pos2; |
| ++pos1; |
| ++pos2; |
| } |
| return 0; |
| } |
| |
| int efi_st_strcmp_16_8(const u16 *buf1, const char *buf2) |
| { |
| for (; *buf1 || *buf2; ++buf1, ++buf2) { |
| if (*buf1 != *buf2) |
| return *buf1 - *buf2; |
| } |
| return 0; |
| } |