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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Heinrich Schuchardt5ca23ed2017-10-05 16:36:07 +02002/*
3 * efi_selftest_util
4 *
5 * Copyright (c) 2017 Heinrich Schuchardt <xypron.glpk@gmx.de>
6 *
Heinrich Schuchardt5ca23ed2017-10-05 16:36:07 +02007 * Utility functions
8 */
9
10#include <efi_selftest.h>
11
Heinrich Schuchardt262ff412018-09-11 22:38:04 +020012struct efi_st_translate {
13 u16 code;
14 u16 *text;
15};
16
17static struct efi_st_translate efi_st_control_characters[] = {
18 {0, L"Null"},
19 {8, L"BS"},
20 {9, L"TAB"},
21 {10, L"LF"},
22 {13, L"CR"},
23 {0, NULL},
24};
25
26static u16 efi_st_ch[] = L"' '";
27static u16 efi_st_unknown[] = L"unknown";
28
29static struct efi_st_translate efi_st_scan_codes[] = {
30 {0x00, L"Null"},
31 {0x01, L"Up"},
32 {0x02, L"Down"},
33 {0x03, L"Right"},
34 {0x04, L"Left"},
35 {0x05, L"Home"},
36 {0x06, L"End"},
37 {0x07, L"Insert"},
38 {0x08, L"Delete"},
39 {0x09, L"Page Up"},
40 {0x0a, L"Page Down"},
41 {0x0b, L"FN 1"},
42 {0x0c, L"FN 2"},
43 {0x0d, L"FN 3"},
44 {0x0e, L"FN 4"},
45 {0x0f, L"FN 5"},
46 {0x10, L"FN 6"},
47 {0x11, L"FN 7"},
48 {0x12, L"FN 8"},
49 {0x13, L"FN 9"},
50 {0x14, L"FN 10"},
51 {0x15, L"FN 11"},
52 {0x16, L"FN 12"},
53 {0x17, L"Escape"},
54 {0x68, L"FN 13"},
55 {0x69, L"FN 14"},
56 {0x6a, L"FN 15"},
57 {0x6b, L"FN 16"},
58 {0x6c, L"FN 17"},
59 {0x6d, L"FN 18"},
60 {0x6e, L"FN 19"},
61 {0x6f, L"FN 20"},
62 {0x70, L"FN 21"},
63 {0x71, L"FN 22"},
64 {0x72, L"FN 23"},
65 {0x73, L"FN 24"},
66 {0x7f, L"Mute"},
67 {0x80, L"Volume Up"},
68 {0x81, L"Volume Down"},
69 {0x100, L"Brightness Up"},
70 {0x101, L"Brightness Down"},
71 {0x102, L"Suspend"},
72 {0x103, L"Hibernate"},
73 {0x104, L"Toggle Display"},
74 {0x105, L"Recovery"},
75 {0x106, L"Reject"},
76 {0x0, NULL},
77};
78
79u16 *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
94u16 *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 Schuchardtd78e40d2017-10-18 18:13:13 +0200105int 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}