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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, u"Null"},
{8, u"BS"},
{9, u"TAB"},
{10, u"LF"},
{13, u"CR"},
{0, NULL},
};
static u16 efi_st_ch[] = u"' '";
static u16 efi_st_unknown[] = u"unknown";
static struct efi_st_translate efi_st_scan_codes[] = {
{0x00, u"Null"},
{0x01, u"Up"},
{0x02, u"Down"},
{0x03, u"Right"},
{0x04, u"Left"},
{0x05, u"Home"},
{0x06, u"End"},
{0x07, u"Insert"},
{0x08, u"Delete"},
{0x09, u"Page Up"},
{0x0a, u"Page Down"},
{0x0b, u"FN 1"},
{0x0c, u"FN 2"},
{0x0d, u"FN 3"},
{0x0e, u"FN 4"},
{0x0f, u"FN 5"},
{0x10, u"FN 6"},
{0x11, u"FN 7"},
{0x12, u"FN 8"},
{0x13, u"FN 9"},
{0x14, u"FN 10"},
{0x15, u"FN 11"},
{0x16, u"FN 12"},
{0x17, u"Escape"},
{0x68, u"FN 13"},
{0x69, u"FN 14"},
{0x6a, u"FN 15"},
{0x6b, u"FN 16"},
{0x6c, u"FN 17"},
{0x6d, u"FN 18"},
{0x6e, u"FN 19"},
{0x6f, u"FN 20"},
{0x70, u"FN 21"},
{0x71, u"FN 22"},
{0x72, u"FN 23"},
{0x73, u"FN 24"},
{0x7f, u"Mute"},
{0x80, u"Volume Up"},
{0x81, u"Volume Down"},
{0x100, u"Brightness Up"},
{0x101, u"Brightness Down"},
{0x102, u"Suspend"},
{0x103, u"Hibernate"},
{0x104, u"Toggle Display"},
{0x105, u"Recovery"},
{0x106, u"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_strcmp_16_8(const u16 *buf1, const unsigned char *buf2)
{
for (; *buf1 || *buf2; ++buf1, ++buf2) {
if (*buf1 != *buf2)
return *buf1 - *buf2;
}
return 0;
}
void *efi_st_get_config_table(const efi_guid_t *guid)
{
size_t i;
for (i = 0; i < st_systable->nr_tables; i++) {
if (!guidcmp(guid, &st_systable->tables[i].guid))
return st_systable->tables[i].table;
}
return NULL;
}
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