Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Heinrich Schuchardt | 2a6daf7 | 2017-10-05 16:36:07 +0200 | [diff] [blame] | 2 | /* |
| 3 | * efi_selftest_util |
| 4 | * |
| 5 | * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de> |
| 6 | * |
Heinrich Schuchardt | 2a6daf7 | 2017-10-05 16:36:07 +0200 | [diff] [blame] | 7 | * Utility functions |
| 8 | */ |
| 9 | |
| 10 | #include <efi_selftest.h> |
| 11 | |
Heinrich Schuchardt | 9cda2ef | 2018-09-11 22:38:04 +0200 | [diff] [blame] | 12 | struct efi_st_translate { |
| 13 | u16 code; |
| 14 | u16 *text; |
| 15 | }; |
| 16 | |
| 17 | static struct efi_st_translate efi_st_control_characters[] = { |
Simon Glass | 9097537 | 2022-01-23 12:55:12 -0700 | [diff] [blame] | 18 | {0, u"Null"}, |
| 19 | {8, u"BS"}, |
| 20 | {9, u"TAB"}, |
| 21 | {10, u"LF"}, |
| 22 | {13, u"CR"}, |
Heinrich Schuchardt | 9cda2ef | 2018-09-11 22:38:04 +0200 | [diff] [blame] | 23 | {0, NULL}, |
| 24 | }; |
| 25 | |
Simon Glass | 9097537 | 2022-01-23 12:55:12 -0700 | [diff] [blame] | 26 | static u16 efi_st_ch[] = u"' '"; |
| 27 | static u16 efi_st_unknown[] = u"unknown"; |
Heinrich Schuchardt | 9cda2ef | 2018-09-11 22:38:04 +0200 | [diff] [blame] | 28 | |
| 29 | static struct efi_st_translate efi_st_scan_codes[] = { |
Simon Glass | 9097537 | 2022-01-23 12:55:12 -0700 | [diff] [blame] | 30 | {0x00, u"Null"}, |
| 31 | {0x01, u"Up"}, |
| 32 | {0x02, u"Down"}, |
| 33 | {0x03, u"Right"}, |
| 34 | {0x04, u"Left"}, |
| 35 | {0x05, u"Home"}, |
| 36 | {0x06, u"End"}, |
| 37 | {0x07, u"Insert"}, |
| 38 | {0x08, u"Delete"}, |
| 39 | {0x09, u"Page Up"}, |
| 40 | {0x0a, u"Page Down"}, |
| 41 | {0x0b, u"FN 1"}, |
| 42 | {0x0c, u"FN 2"}, |
| 43 | {0x0d, u"FN 3"}, |
| 44 | {0x0e, u"FN 4"}, |
| 45 | {0x0f, u"FN 5"}, |
| 46 | {0x10, u"FN 6"}, |
| 47 | {0x11, u"FN 7"}, |
| 48 | {0x12, u"FN 8"}, |
| 49 | {0x13, u"FN 9"}, |
| 50 | {0x14, u"FN 10"}, |
| 51 | {0x15, u"FN 11"}, |
| 52 | {0x16, u"FN 12"}, |
| 53 | {0x17, u"Escape"}, |
| 54 | {0x68, u"FN 13"}, |
| 55 | {0x69, u"FN 14"}, |
| 56 | {0x6a, u"FN 15"}, |
| 57 | {0x6b, u"FN 16"}, |
| 58 | {0x6c, u"FN 17"}, |
| 59 | {0x6d, u"FN 18"}, |
| 60 | {0x6e, u"FN 19"}, |
| 61 | {0x6f, u"FN 20"}, |
| 62 | {0x70, u"FN 21"}, |
| 63 | {0x71, u"FN 22"}, |
| 64 | {0x72, u"FN 23"}, |
| 65 | {0x73, u"FN 24"}, |
| 66 | {0x7f, u"Mute"}, |
| 67 | {0x80, u"Volume Up"}, |
| 68 | {0x81, u"Volume Down"}, |
| 69 | {0x100, u"Brightness Up"}, |
| 70 | {0x101, u"Brightness Down"}, |
| 71 | {0x102, u"Suspend"}, |
| 72 | {0x103, u"Hibernate"}, |
| 73 | {0x104, u"Toggle Display"}, |
| 74 | {0x105, u"Recovery"}, |
| 75 | {0x106, u"Reject"}, |
Heinrich Schuchardt | 9cda2ef | 2018-09-11 22:38:04 +0200 | [diff] [blame] | 76 | {0x0, NULL}, |
| 77 | }; |
| 78 | |
| 79 | u16 *efi_st_translate_char(u16 code) |
| 80 | { |
| 81 | struct efi_st_translate *tr; |
| 82 | |
| 83 | if (code >= ' ') { |
| 84 | efi_st_ch[1] = code; |
| 85 | return efi_st_ch; |
| 86 | } |
| 87 | for (tr = efi_st_control_characters; tr->text; ++tr) { |
| 88 | if (tr->code == code) |
| 89 | return tr->text; |
| 90 | } |
| 91 | return efi_st_unknown; |
| 92 | } |
| 93 | |
| 94 | u16 *efi_st_translate_code(u16 code) |
| 95 | { |
| 96 | struct efi_st_translate *tr; |
| 97 | |
| 98 | for (tr = efi_st_scan_codes; tr->text; ++tr) { |
| 99 | if (tr->code == code) |
| 100 | return tr->text; |
| 101 | } |
| 102 | return efi_st_unknown; |
| 103 | } |
| 104 | |
Heinrich Schuchardt | 02efd5d | 2017-10-18 18:13:13 +0200 | [diff] [blame] | 105 | int efi_st_strcmp_16_8(const u16 *buf1, const char *buf2) |
| 106 | { |
| 107 | for (; *buf1 || *buf2; ++buf1, ++buf2) { |
| 108 | if (*buf1 != *buf2) |
| 109 | return *buf1 - *buf2; |
| 110 | } |
| 111 | return 0; |
| 112 | } |
Heinrich Schuchardt | 135b42f | 2022-09-03 15:56:51 +0200 | [diff] [blame^] | 113 | |
| 114 | void *efi_st_get_config_table(const efi_guid_t *guid) |
| 115 | { |
| 116 | size_t i; |
| 117 | |
| 118 | for (i = 0; i < st_systable->nr_tables; i++) { |
| 119 | if (!guidcmp(guid, &st_systable->tables[i].guid)) |
| 120 | return st_systable->tables[i].table; |
| 121 | } |
| 122 | return NULL; |
| 123 | } |