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// 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;
}
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