1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU Lesser General Public License as published by
6 * the Free Software Foundation; either version 2.1 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * Copyright (C) 2012-2015 Kay Sievers <kay@vrfy.org>
15 * Copyright (C) 2012-2015 Harald Hoyer <harald@redhat.com>
27 #ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI
28 #define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL
31 /* magic string to find in the binary image */
32 static const char __attribute__((used)) magic[] = "#### LoaderInfo: systemd-boot " VERSION " ####";
34 static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
49 enum loader_type type;
53 EFI_STATUS (*call)(VOID);
54 BOOLEAN no_autoselect;
59 ConfigEntry **entries;
62 INTN idx_default_efivar;
64 UINTN timeout_sec_config;
65 INTN timeout_sec_efivar;
66 CHAR16 *entry_default_pattern;
67 CHAR16 *entry_oneshot;
72 static VOID cursor_left(UINTN *cursor, UINTN *first)
76 else if ((*first) > 0)
80 static VOID cursor_right(UINTN *cursor, UINTN *first, UINTN x_max, UINTN len)
82 if ((*cursor)+1 < x_max)
84 else if ((*first) + (*cursor) < len)
88 static BOOLEAN line_edit(CHAR16 *line_in, CHAR16 **line_out, UINTN x_max, UINTN y_pos) {
101 size = StrLen(line_in) + 1024;
102 line = AllocatePool(size * sizeof(CHAR16));
103 StrCpy(line, line_in);
105 print = AllocatePool((x_max+1) * sizeof(CHAR16));
107 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, TRUE);
122 CopyMem(print, line + first, i * sizeof(CHAR16));
123 while (clear > 0 && i < x_max-1) {
129 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_pos);
130 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, print);
131 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
133 err = console_key_read(&key, TRUE);
138 case KEYPRESS(0, SCAN_ESC, 0):
139 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'c'):
140 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'g'):
141 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('c')):
142 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('g')):
146 case KEYPRESS(0, SCAN_HOME, 0):
147 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'a'):
148 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('a')):
149 /* beginning-of-line */
154 case KEYPRESS(0, SCAN_END, 0):
155 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'e'):
156 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('e')):
158 cursor = len - first;
159 if (cursor+1 >= x_max) {
161 first = len - (x_max-1);
165 case KEYPRESS(0, SCAN_DOWN, 0):
166 case KEYPRESS(EFI_ALT_PRESSED, 0, 'f'):
167 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_RIGHT, 0):
169 while (line[first + cursor] && line[first + cursor] == ' ')
170 cursor_right(&cursor, &first, x_max, len);
171 while (line[first + cursor] && line[first + cursor] != ' ')
172 cursor_right(&cursor, &first, x_max, len);
173 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
176 case KEYPRESS(0, SCAN_UP, 0):
177 case KEYPRESS(EFI_ALT_PRESSED, 0, 'b'):
178 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_LEFT, 0):
180 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
181 cursor_left(&cursor, &first);
182 while ((first + cursor) > 0 && line[first + cursor] == ' ')
183 cursor_left(&cursor, &first);
185 while ((first + cursor) > 0 && line[first + cursor-1] != ' ')
186 cursor_left(&cursor, &first);
187 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
190 case KEYPRESS(0, SCAN_RIGHT, 0):
191 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'f'):
192 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('f')):
194 if (first + cursor == len)
196 cursor_right(&cursor, &first, x_max, len);
197 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
200 case KEYPRESS(0, SCAN_LEFT, 0):
201 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'b'):
202 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('b')):
204 cursor_left(&cursor, &first);
205 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
208 case KEYPRESS(EFI_ALT_PRESSED, 0, 'd'):
211 for (i = first + cursor; i < len && line[i] == ' '; i++)
213 for (; i < len && line[i] != ' '; i++)
216 for (i = first + cursor; i + clear < len; i++)
217 line[i] = line[i + clear];
222 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'w'):
223 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('w')):
224 case KEYPRESS(EFI_ALT_PRESSED, 0, CHAR_BACKSPACE):
225 /* backward-kill-word */
227 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
228 cursor_left(&cursor, &first);
230 while ((first + cursor) > 0 && line[first + cursor] == ' ') {
231 cursor_left(&cursor, &first);
235 while ((first + cursor) > 0 && line[first + cursor-1] != ' ') {
236 cursor_left(&cursor, &first);
239 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
241 for (i = first + cursor; i + clear < len; i++)
242 line[i] = line[i + clear];
247 case KEYPRESS(0, SCAN_DELETE, 0):
248 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'd'):
249 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('d')):
252 if (first + cursor == len)
254 for (i = first + cursor; i < len; i++)
260 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'k'):
261 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('k')):
263 line[first + cursor] = '\0';
264 clear = len - (first + cursor);
265 len = first + cursor;
268 case KEYPRESS(0, 0, CHAR_LINEFEED):
269 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
270 if (StrCmp(line, line_in) != 0) {
278 case KEYPRESS(0, 0, CHAR_BACKSPACE):
281 if (first == 0 && cursor == 0)
283 for (i = first + cursor-1; i < len; i++)
289 if (cursor > 0 || first == 0)
291 /* show full line if it fits */
297 /* jump left to see what we delete */
307 case KEYPRESS(0, 0, ' ') ... KEYPRESS(0, 0, '~'):
308 case KEYPRESS(0, 0, 0x80) ... KEYPRESS(0, 0, 0xffff):
311 for (i = len; i > first + cursor; i--)
313 line[first + cursor] = KEYCHAR(key);
316 if (cursor+1 < x_max)
318 else if (first + cursor < len)
324 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
330 static UINTN entry_lookup_key(Config *config, UINTN start, CHAR16 key) {
336 /* select entry by number key */
337 if (key >= '1' && key <= '9') {
339 if (i > config->entry_count)
340 i = config->entry_count;
344 /* find matching key in config entries */
345 for (i = start; i < config->entry_count; i++)
346 if (config->entries[i]->key == key)
349 for (i = 0; i < start; i++)
350 if (config->entries[i]->key == key)
356 static VOID print_status(Config *config, CHAR16 *loaded_image_path) {
365 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
366 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
368 Print(L"systemd-boot version: " VERSION "\n");
369 Print(L"architecture: " EFI_MACHINE_TYPE_NAME "\n");
370 Print(L"loaded image: %s\n", loaded_image_path);
371 Print(L"UEFI specification: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
372 Print(L"firmware vendor: %s\n", ST->FirmwareVendor);
373 Print(L"firmware version: %d.%02d\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
375 if (uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x, &y) == EFI_SUCCESS)
376 Print(L"console size: %d x %d\n", x, y);
378 if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
379 Print(L"SecureBoot: %s\n", *b > 0 ? L"enabled" : L"disabled");
383 if (efivar_get_raw(&global_guid, L"SetupMode", &b, &size) == EFI_SUCCESS) {
384 Print(L"SetupMode: %s\n", *b > 0 ? L"setup" : L"user");
388 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
389 Print(L"OsIndicationsSupported: %d\n", (UINT64)*b);
394 Print(L"timeout: %d\n", config->timeout_sec);
395 if (config->timeout_sec_efivar >= 0)
396 Print(L"timeout (EFI var): %d\n", config->timeout_sec_efivar);
397 Print(L"timeout (config): %d\n", config->timeout_sec_config);
398 if (config->entry_default_pattern)
399 Print(L"default pattern: '%s'\n", config->entry_default_pattern);
402 Print(L"config entry count: %d\n", config->entry_count);
403 Print(L"entry selected idx: %d\n", config->idx_default);
404 if (config->idx_default_efivar >= 0)
405 Print(L"entry EFI var idx: %d\n", config->idx_default_efivar);
408 if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS)
409 Print(L"LoaderConfigTimeout: %d\n", i);
410 if (config->entry_oneshot)
411 Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot);
412 if (efivar_get(L"LoaderDeviceIdentifier", &s) == EFI_SUCCESS) {
413 Print(L"LoaderDeviceIdentifier: %s\n", s);
416 if (efivar_get(L"LoaderDevicePartUUID", &s) == EFI_SUCCESS) {
417 Print(L"LoaderDevicePartUUID: %s\n", s);
420 if (efivar_get(L"LoaderEntryDefault", &s) == EFI_SUCCESS) {
421 Print(L"LoaderEntryDefault: %s\n", s);
425 Print(L"\n--- press key ---\n\n");
426 console_key_read(&key, TRUE);
428 for (i = 0; i < config->entry_count; i++) {
431 if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q'))
434 entry = config->entries[i];
435 Print(L"config entry: %d/%d\n", i+1, config->entry_count);
437 Print(L"file '%s'\n", entry->file);
438 Print(L"title show '%s'\n", entry->title_show);
440 Print(L"title '%s'\n", entry->title);
442 Print(L"version '%s'\n", entry->version);
443 if (entry->machine_id)
444 Print(L"machine-id '%s'\n", entry->machine_id);
446 EFI_DEVICE_PATH *device_path;
449 device_path = DevicePathFromHandle(entry->device);
451 str = DevicePathToStr(device_path);
452 Print(L"device handle '%s'\n", str);
457 Print(L"loader '%s'\n", entry->loader);
459 Print(L"options '%s'\n", entry->options);
460 Print(L"auto-select %s\n", entry->no_autoselect ? L"no" : L"yes");
462 Print(L"internal call yes\n");
464 Print(L"\n--- press key ---\n\n");
465 console_key_read(&key, TRUE);
468 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
471 static BOOLEAN menu_run(Config *config, ConfigEntry **chosen_entry, CHAR16 *loaded_image_path) {
475 UINTN idx_highlight_prev;
491 BOOLEAN exit = FALSE;
493 BOOLEAN wait = FALSE;
495 graphics_mode(FALSE);
496 uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE);
497 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
498 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
500 /* draw a single character to make ClearScreen work on some firmware */
501 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" ");
502 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
504 err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max);
505 if (EFI_ERROR(err)) {
510 /* we check 10 times per second for a keystroke */
511 if (config->timeout_sec > 0)
512 timeout_remain = config->timeout_sec * 10;
516 idx_highlight = config->idx_default;
517 idx_highlight_prev = 0;
519 visible_max = y_max - 2;
521 if ((UINTN)config->idx_default >= visible_max)
522 idx_first = config->idx_default-1;
526 idx_last = idx_first + visible_max-1;
531 /* length of the longest entry */
533 for (i = 0; i < config->entry_count; i++) {
536 entry_len = StrLen(config->entries[i]->title_show);
537 if (line_width < entry_len)
538 line_width = entry_len;
540 if (line_width > x_max-6)
541 line_width = x_max-6;
543 /* offsets to center the entries on the screen */
544 x_start = (x_max - (line_width)) / 2;
545 if (config->entry_count < visible_max)
546 y_start = ((visible_max - config->entry_count) / 2) + 1;
550 /* menu entries title lines */
551 lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count);
552 for (i = 0; i < config->entry_count; i++) {
555 lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16)));
556 for (j = 0; j < x_start; j++)
559 for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++)
560 lines[i][j] = config->entries[i]->title_show[k];
562 for (; j < x_max; j++)
564 lines[i][x_max] = '\0';
568 clearline = AllocatePool((x_max+1) * sizeof(CHAR16));
569 for (i = 0; i < x_max; i++)
577 for (i = 0; i < config->entry_count; i++) {
578 if (i < idx_first || i > idx_last)
580 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first);
581 if (i == idx_highlight)
582 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
583 EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
585 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
586 EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
587 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]);
588 if ((INTN)i == config->idx_default_efivar) {
589 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first);
590 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
594 } else if (highlight) {
595 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first);
596 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
597 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]);
598 if ((INTN)idx_highlight_prev == config->idx_default_efivar) {
599 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first);
600 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
603 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first);
604 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
605 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]);
606 if ((INTN)idx_highlight == config->idx_default_efivar) {
607 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first);
608 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
613 if (timeout_remain > 0) {
615 status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10);
618 /* print status at last line of screen */
624 len = StrLen(status);
626 x = (x_max - len) / 2;
629 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
630 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
631 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x));
632 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status);
633 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len);
636 err = console_key_read(&key, wait);
637 if (EFI_ERROR(err)) {
638 /* timeout reached */
639 if (timeout_remain == 0) {
644 /* sleep and update status */
645 if (timeout_remain > 0) {
646 uefi_call_wrapper(BS->Stall, 1, 100 * 1000);
651 /* timeout disabled, wait for next key */
658 /* clear status after keystroke */
662 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
663 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
664 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
667 idx_highlight_prev = idx_highlight;
670 case KEYPRESS(0, SCAN_UP, 0):
671 case KEYPRESS(0, 0, 'k'):
672 if (idx_highlight > 0)
676 case KEYPRESS(0, SCAN_DOWN, 0):
677 case KEYPRESS(0, 0, 'j'):
678 if (idx_highlight < config->entry_count-1)
682 case KEYPRESS(0, SCAN_HOME, 0):
683 case KEYPRESS(EFI_ALT_PRESSED, 0, '<'):
684 if (idx_highlight > 0) {
690 case KEYPRESS(0, SCAN_END, 0):
691 case KEYPRESS(EFI_ALT_PRESSED, 0, '>'):
692 if (idx_highlight < config->entry_count-1) {
694 idx_highlight = config->entry_count-1;
698 case KEYPRESS(0, SCAN_PAGE_UP, 0):
699 if (idx_highlight > visible_max)
700 idx_highlight -= visible_max;
705 case KEYPRESS(0, SCAN_PAGE_DOWN, 0):
706 idx_highlight += visible_max;
707 if (idx_highlight > config->entry_count-1)
708 idx_highlight = config->entry_count-1;
711 case KEYPRESS(0, 0, CHAR_LINEFEED):
712 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
716 case KEYPRESS(0, SCAN_F1, 0):
717 case KEYPRESS(0, 0, 'h'):
718 case KEYPRESS(0, 0, '?'):
719 status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp");
722 case KEYPRESS(0, 0, 'Q'):
727 case KEYPRESS(0, 0, 'd'):
728 if (config->idx_default_efivar != (INTN)idx_highlight) {
729 /* store the selected entry in a persistent EFI variable */
730 efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->file, TRUE);
731 config->idx_default_efivar = idx_highlight;
732 status = StrDuplicate(L"Default boot entry selected.");
734 /* clear the default entry EFI variable */
735 efivar_set(L"LoaderEntryDefault", NULL, TRUE);
736 config->idx_default_efivar = -1;
737 status = StrDuplicate(L"Default boot entry cleared.");
742 case KEYPRESS(0, 0, '-'):
743 case KEYPRESS(0, 0, 'T'):
744 if (config->timeout_sec_efivar > 0) {
745 config->timeout_sec_efivar--;
746 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
747 if (config->timeout_sec_efivar > 0)
748 status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar);
750 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
751 } else if (config->timeout_sec_efivar <= 0){
752 config->timeout_sec_efivar = -1;
753 efivar_set(L"LoaderConfigTimeout", NULL, TRUE);
754 if (config->timeout_sec_config > 0)
755 status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.",
756 config->timeout_sec_config);
758 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
762 case KEYPRESS(0, 0, '+'):
763 case KEYPRESS(0, 0, 't'):
764 if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0)
765 config->timeout_sec_efivar++;
766 config->timeout_sec_efivar++;
767 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
768 if (config->timeout_sec_efivar > 0)
769 status = PoolPrint(L"Menu timeout set to %d sec.",
770 config->timeout_sec_efivar);
772 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
775 case KEYPRESS(0, 0, 'e'):
776 /* only the options of configured entries can be edited */
777 if (config->entries[idx_highlight]->type == LOADER_UNDEFINED)
779 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
780 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
781 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
782 if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1))
784 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
785 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
788 case KEYPRESS(0, 0, 'v'):
789 status = PoolPrint(L"systemd-boot " VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d",
790 ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff,
791 ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
794 case KEYPRESS(0, 0, 'P'):
795 print_status(config, loaded_image_path);
799 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'):
800 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')):
805 /* jump with a hotkey directly to a matching entry */
806 idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key));
813 if (idx_highlight > idx_last) {
814 idx_last = idx_highlight;
815 idx_first = 1 + idx_highlight - visible_max;
818 if (idx_highlight < idx_first) {
819 idx_first = idx_highlight;
820 idx_last = idx_highlight + visible_max-1;
824 idx_last = idx_first + visible_max-1;
826 if (!refresh && idx_highlight != idx_highlight_prev)
830 *chosen_entry = config->entries[idx_highlight];
832 for (i = 0; i < config->entry_count; i++)
837 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK);
838 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
842 static VOID config_add_entry(Config *config, ConfigEntry *entry) {
843 if ((config->entry_count & 15) == 0) {
846 i = config->entry_count + 16;
847 if (config->entry_count == 0)
848 config->entries = AllocatePool(sizeof(VOID *) * i);
850 config->entries = ReallocatePool(config->entries,
851 sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i);
853 config->entries[config->entry_count++] = entry;
856 static VOID config_entry_free(ConfigEntry *entry) {
857 FreePool(entry->title_show);
858 FreePool(entry->title);
859 FreePool(entry->machine_id);
860 FreePool(entry->loader);
861 FreePool(entry->options);
864 static BOOLEAN is_digit(CHAR16 c)
866 return (c >= '0') && (c <= '9');
869 static UINTN c_order(CHAR16 c)
875 else if ((c >= 'a') && (c <= 'z'))
881 static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2)
889 while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) {
892 order = c_order(*s1) - c_order(*s2);
905 while (is_digit(*s1) && is_digit(*s2)) {
921 return StrCmp(os1, os2);
924 static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
930 line = content + *pos;
935 while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen]))
938 /* move pos to next line */
948 line[linelen] = '\0';
950 /* remove leading whitespace */
951 while (strchra((CHAR8 *)" \t", *line)) {
956 /* remove trailing whitespace */
957 while (linelen > 0 && strchra(sep, line[linelen-1]))
959 line[linelen] = '\0';
964 /* split key/value */
966 while (*value && !strchra(sep, *value))
972 while (*value && strchra(sep, *value))
976 if (value[0] == '\"' && line[linelen-1] == '\"') {
978 line[linelen-1] = '\0';
986 static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
992 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
993 if (strcmpa((CHAR8 *)"timeout", key) == 0) {
996 s = stra_to_str(value);
997 config->timeout_sec_config = Atoi(s);
998 config->timeout_sec = config->timeout_sec_config;
1003 if (strcmpa((CHAR8 *)"default", key) == 0) {
1004 FreePool(config->entry_default_pattern);
1005 config->entry_default_pattern = stra_to_str(value);
1006 StrLwr(config->entry_default_pattern);
1012 static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR8 *content, CHAR16 *loaded_image_path) {
1018 CHAR16 *initrd = NULL;
1020 entry = AllocateZeroPool(sizeof(ConfigEntry));
1023 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1024 if (strcmpa((CHAR8 *)"title", key) == 0) {
1025 FreePool(entry->title);
1026 entry->title = stra_to_str(value);
1030 if (strcmpa((CHAR8 *)"version", key) == 0) {
1031 FreePool(entry->version);
1032 entry->version = stra_to_str(value);
1036 if (strcmpa((CHAR8 *)"machine-id", key) == 0) {
1037 FreePool(entry->machine_id);
1038 entry->machine_id = stra_to_str(value);
1042 if (strcmpa((CHAR8 *)"linux", key) == 0) {
1043 FreePool(entry->loader);
1044 entry->type = LOADER_LINUX;
1045 entry->loader = stra_to_path(value);
1050 if (strcmpa((CHAR8 *)"efi", key) == 0) {
1051 entry->type = LOADER_EFI;
1052 FreePool(entry->loader);
1053 entry->loader = stra_to_path(value);
1055 /* do not add an entry for ourselves */
1056 if (StriCmp(entry->loader, loaded_image_path) == 0) {
1057 entry->type = LOADER_UNDEFINED;
1063 if (strcmpa((CHAR8 *)"architecture", key) == 0) {
1064 /* do not add an entry for an EFI image of architecture not matching with that of the image */
1065 if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) {
1066 entry->type = LOADER_UNDEFINED;
1072 if (strcmpa((CHAR8 *)"initrd", key) == 0) {
1075 new = stra_to_path(value);
1079 s = PoolPrint(L"%s initrd=%s", initrd, new);
1083 initrd = PoolPrint(L"initrd=%s", new);
1088 if (strcmpa((CHAR8 *)"options", key) == 0) {
1091 new = stra_to_str(value);
1092 if (entry->options) {
1095 s = PoolPrint(L"%s %s", entry->options, new);
1096 FreePool(entry->options);
1099 entry->options = new;
1107 if (entry->type == LOADER_UNDEFINED) {
1108 config_entry_free(entry);
1114 /* add initrd= to options */
1115 if (entry->type == LOADER_LINUX && initrd) {
1116 if (entry->options) {
1119 s = PoolPrint(L"%s %s", initrd, entry->options);
1120 FreePool(entry->options);
1123 entry->options = initrd;
1129 if (entry->machine_id) {
1132 /* append additional options from EFI variables for this machine-id */
1133 var = PoolPrint(L"LoaderEntryOptions-%s", entry->machine_id);
1137 if (efivar_get(var, &s) == EFI_SUCCESS) {
1138 if (entry->options) {
1141 s2 = PoolPrint(L"%s %s", entry->options, s);
1142 FreePool(entry->options);
1143 entry->options = s2;
1150 var = PoolPrint(L"LoaderEntryOptionsOneShot-%s", entry->machine_id);
1154 if (efivar_get(var, &s) == EFI_SUCCESS) {
1155 if (entry->options) {
1158 s2 = PoolPrint(L"%s %s", entry->options, s);
1159 FreePool(entry->options);
1160 entry->options = s2;
1163 efivar_set(var, NULL, TRUE);
1169 entry->device = device;
1170 entry->file = StrDuplicate(file);
1171 len = StrLen(entry->file);
1172 /* remove ".conf" */
1174 entry->file[len - 5] = '\0';
1175 StrLwr(entry->file);
1177 config_add_entry(config, entry);
1180 static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
1181 EFI_FILE_HANDLE entries_dir;
1183 CHAR8 *content = NULL;
1188 len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
1190 config_defaults_load_from_file(config, content);
1193 err = efivar_get_int(L"LoaderConfigTimeout", &sec);
1194 if (!EFI_ERROR(err)) {
1195 config->timeout_sec_efivar = sec;
1196 config->timeout_sec = sec;
1198 config->timeout_sec_efivar = -1;
1200 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL);
1201 if (!EFI_ERROR(err)) {
1206 CHAR8 *content = NULL;
1209 bufsize = sizeof(buf);
1210 err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf);
1211 if (bufsize == 0 || EFI_ERROR(err))
1214 f = (EFI_FILE_INFO *) buf;
1215 if (f->FileName[0] == '.')
1217 if (f->Attribute & EFI_FILE_DIRECTORY)
1219 len = StrLen(f->FileName);
1222 if (StriCmp(f->FileName + len - 5, L".conf") != 0)
1225 len = file_read(entries_dir, f->FileName, 0, 0, &content);
1227 config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
1230 uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
1233 /* sort entries after version number */
1234 for (i = 1; i < config->entry_count; i++) {
1239 for (k = 0; k < config->entry_count - i; k++) {
1242 if (str_verscmp(config->entries[k]->file, config->entries[k+1]->file) <= 0)
1244 entry = config->entries[k];
1245 config->entries[k] = config->entries[k+1];
1246 config->entries[k+1] = entry;
1254 static VOID config_default_entry_select(Config *config) {
1260 * The EFI variable to specify a boot entry for the next, and only the
1261 * next reboot. The variable is always cleared directly after it is read.
1263 err = efivar_get(L"LoaderEntryOneShot", &var);
1264 if (!EFI_ERROR(err)) {
1265 BOOLEAN found = FALSE;
1267 for (i = 0; i < config->entry_count; i++) {
1268 if (StrCmp(config->entries[i]->file, var) == 0) {
1269 config->idx_default = i;
1275 config->entry_oneshot = StrDuplicate(var);
1276 efivar_set(L"LoaderEntryOneShot", NULL, TRUE);
1283 * The EFI variable to select the default boot entry overrides the
1284 * configured pattern. The variable can be set and cleared by pressing
1285 * the 'd' key in the loader selection menu, the entry is marked with
1288 err = efivar_get(L"LoaderEntryDefault", &var);
1289 if (!EFI_ERROR(err)) {
1290 BOOLEAN found = FALSE;
1292 for (i = 0; i < config->entry_count; i++) {
1293 if (StrCmp(config->entries[i]->file, var) == 0) {
1294 config->idx_default = i;
1295 config->idx_default_efivar = i;
1304 config->idx_default_efivar = -1;
1306 if (config->entry_count == 0)
1310 * Match the pattern from the end of the list to the start, find last
1311 * entry (largest number) matching the given pattern.
1313 if (config->entry_default_pattern) {
1314 i = config->entry_count;
1316 if (config->entries[i]->no_autoselect)
1318 if (MetaiMatch(config->entries[i]->file, config->entry_default_pattern)) {
1319 config->idx_default = i;
1325 /* select the last suitable entry */
1326 i = config->entry_count;
1328 if (config->entries[i]->no_autoselect)
1330 config->idx_default = i;
1334 /* no entry found */
1335 config->idx_default = -1;
1338 /* generate a unique title, avoiding non-distinguishable menu entries */
1339 static VOID config_title_generate(Config *config) {
1344 for (i = 0; i < config->entry_count; i++) {
1347 FreePool(config->entries[i]->title_show);
1348 title = config->entries[i]->title;
1350 title = config->entries[i]->file;
1351 config->entries[i]->title_show = StrDuplicate(title);
1355 for (i = 0; i < config->entry_count; i++) {
1356 for (k = 0; k < config->entry_count; k++) {
1359 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1363 config->entries[i]->non_unique = TRUE;
1364 config->entries[k]->non_unique = TRUE;
1370 /* add version to non-unique titles */
1371 for (i = 0; i < config->entry_count; i++) {
1374 if (!config->entries[i]->non_unique)
1376 if (!config->entries[i]->version)
1379 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version);
1380 FreePool(config->entries[i]->title_show);
1381 config->entries[i]->title_show = s;
1382 config->entries[i]->non_unique = FALSE;
1386 for (i = 0; i < config->entry_count; i++) {
1387 for (k = 0; k < config->entry_count; k++) {
1390 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1394 config->entries[i]->non_unique = TRUE;
1395 config->entries[k]->non_unique = TRUE;
1401 /* add machine-id to non-unique titles */
1402 for (i = 0; i < config->entry_count; i++) {
1406 if (!config->entries[i]->non_unique)
1408 if (!config->entries[i]->machine_id)
1411 m = StrDuplicate(config->entries[i]->machine_id);
1413 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m);
1414 FreePool(config->entries[i]->title_show);
1415 config->entries[i]->title_show = s;
1416 config->entries[i]->non_unique = FALSE;
1421 for (i = 0; i < config->entry_count; i++) {
1422 for (k = 0; k < config->entry_count; k++) {
1425 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1429 config->entries[i]->non_unique = TRUE;
1430 config->entries[k]->non_unique = TRUE;
1436 /* add file name to non-unique titles */
1437 for (i = 0; i < config->entry_count; i++) {
1440 if (!config->entries[i]->non_unique)
1442 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->file);
1443 FreePool(config->entries[i]->title_show);
1444 config->entries[i]->title_show = s;
1445 config->entries[i]->non_unique = FALSE;
1449 static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (*call)(VOID)) {
1452 entry = AllocateZeroPool(sizeof(ConfigEntry));
1453 entry->title = StrDuplicate(title);
1455 entry->no_autoselect = TRUE;
1456 config_add_entry(config, entry);
1460 static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device,
1461 enum loader_type type,CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1464 entry = AllocateZeroPool(sizeof(ConfigEntry));
1466 entry->title = StrDuplicate(title);
1467 entry->device = device;
1468 entry->loader = StrDuplicate(loader);
1469 entry->file = StrDuplicate(file);
1470 StrLwr(entry->file);
1472 config_add_entry(config, entry);
1477 static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
1478 CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1479 EFI_FILE_HANDLE handle;
1483 /* do not add an entry for ourselves */
1484 if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
1487 /* check existence */
1488 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL);
1491 uefi_call_wrapper(handle->Close, 1, handle);
1493 entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, file, key, title, loader);
1497 /* do not boot right away into auto-detected entries */
1498 entry->no_autoselect = TRUE;
1500 /* export identifiers of automatically added entries */
1501 if (config->entries_auto) {
1504 s = PoolPrint(L"%s %s", config->entries_auto, file);
1505 FreePool(config->entries_auto);
1506 config->entries_auto = s;
1508 config->entries_auto = StrDuplicate(file);
1513 static VOID config_entry_add_osx(Config *config) {
1515 UINTN handle_count = 0;
1516 EFI_HANDLE *handles = NULL;
1518 err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles);
1519 if (!EFI_ERROR(err)) {
1522 for (i = 0; i < handle_count; i++) {
1526 root = LibOpenRoot(handles[i]);
1529 found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"OS X",
1530 L"\\System\\Library\\CoreServices\\boot.efi");
1531 uefi_call_wrapper(root->Close, 1, root);
1540 static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
1541 EFI_FILE_HANDLE linux_dir;
1544 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
1545 if (!EFI_ERROR(err)) {
1550 CHAR8 *sections[] = {
1554 UINTN offs[ELEMENTSOF(sections)-1] = {};
1555 UINTN szs[ELEMENTSOF(sections)-1] = {};
1556 UINTN addrs[ELEMENTSOF(sections)-1] = {};
1557 CHAR8 *content = NULL;
1562 CHAR16 *os_name = NULL;
1563 CHAR16 *os_id = NULL;
1564 CHAR16 *os_version = NULL;
1566 bufsize = sizeof(buf);
1567 err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
1568 if (bufsize == 0 || EFI_ERROR(err))
1571 f = (EFI_FILE_INFO *) buf;
1572 if (f->FileName[0] == '.')
1574 if (f->Attribute & EFI_FILE_DIRECTORY)
1576 len = StrLen(f->FileName);
1579 if (StriCmp(f->FileName + len - 4, L".efi") != 0)
1582 /* look for an .osrel section in the .efi binary */
1583 err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
1587 len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
1591 /* read properties from the embedded os-release file */
1593 while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
1594 if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
1595 os_name = stra_to_str(value);
1599 if (strcmpa((CHAR8 *)"ID", key) == 0) {
1600 os_id = stra_to_str(value);
1604 if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
1605 os_version = stra_to_str(value);
1610 if (os_name && os_id && os_version) {
1614 conf = PoolPrint(L"%s-%s", os_id, os_version);
1615 path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
1616 config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
1621 FreePool(os_version);
1626 uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
1630 static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
1632 EFI_DEVICE_PATH *path;
1636 path = FileDevicePath(entry->device, entry->loader);
1638 Print(L"Error getting device path.");
1639 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1640 return EFI_INVALID_PARAMETER;
1643 err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image);
1644 if (EFI_ERROR(err)) {
1645 Print(L"Error loading %s: %r", entry->loader, err);
1646 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1650 if (config->options_edit)
1651 options = config->options_edit;
1652 else if (entry->options)
1653 options = entry->options;
1657 EFI_LOADED_IMAGE *loaded_image;
1659 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1660 parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1661 if (EFI_ERROR(err)) {
1662 Print(L"Error getting LoadedImageProtocol handle: %r", err);
1663 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1666 loaded_image->LoadOptions = options;
1667 loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16);
1670 efivar_set_time_usec(L"LoaderTimeExecUSec", 0);
1671 err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL);
1673 uefi_call_wrapper(BS->UnloadImage, 1, image);
1679 static EFI_STATUS reboot_into_firmware(VOID) {
1685 osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
1687 err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size);
1688 if (!EFI_ERROR(err))
1689 osind |= (UINT64)*b;
1692 err = efivar_set_raw(&global_guid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
1696 err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL);
1697 Print(L"Error calling ResetSystem: %r", err);
1698 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1702 static VOID config_free(Config *config) {
1705 for (i = 0; i < config->entry_count; i++)
1706 config_entry_free(config->entries[i]);
1707 FreePool(config->entries);
1708 FreePool(config->entry_default_pattern);
1709 FreePool(config->options_edit);
1710 FreePool(config->entry_oneshot);
1711 FreePool(config->entries_auto);
1714 EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
1718 EFI_LOADED_IMAGE *loaded_image;
1720 CHAR16 *loaded_image_path;
1721 EFI_DEVICE_PATH *device_path;
1725 BOOLEAN menu = FALSE;
1727 InitializeLib(image, sys_table);
1728 init_usec = time_usec();
1729 efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec);
1730 efivar_set(L"LoaderInfo", L"systemd-boot " VERSION, FALSE);
1731 s = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
1732 efivar_set(L"LoaderFirmwareInfo", s, FALSE);
1734 s = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
1735 efivar_set(L"LoaderFirmwareType", s, FALSE);
1738 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1739 image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1740 if (EFI_ERROR(err)) {
1741 Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
1742 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1746 /* export the device path this image is started from */
1747 device_path = DevicePathFromHandle(loaded_image->DeviceHandle);
1750 EFI_DEVICE_PATH *path, *paths;
1752 str = DevicePathToStr(device_path);
1753 efivar_set(L"LoaderDeviceIdentifier", str, FALSE);
1756 paths = UnpackDevicePath(device_path);
1757 for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) {
1758 HARDDRIVE_DEVICE_PATH *drive;
1761 if (DevicePathType(path) != MEDIA_DEVICE_PATH)
1763 if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP)
1765 drive = (HARDDRIVE_DEVICE_PATH *)path;
1766 if (drive->SignatureType != SIGNATURE_TYPE_GUID)
1769 GuidToString(uuid, (EFI_GUID *)&drive->Signature);
1770 efivar_set(L"LoaderDevicePartUUID", uuid, FALSE);
1776 root_dir = LibOpenRoot(loaded_image->DeviceHandle);
1778 Print(L"Unable to open root directory: %r ", err);
1779 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1780 return EFI_LOAD_ERROR;
1784 /* the filesystem path to this image, to prevent adding ourselves to the menu */
1785 loaded_image_path = DevicePathToStr(loaded_image->FilePath);
1786 efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
1788 /* scan "\loader\entries\*.conf" files */
1789 ZeroMem(&config, sizeof(Config));
1790 config_load(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path);
1792 /* if we find some well-known loaders, add them to the end of the list */
1793 config_entry_add_linux(&config, loaded_image, root_dir);
1794 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1795 L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
1796 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1797 L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi");
1798 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1799 L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi");
1800 config_entry_add_osx(&config);
1801 efivar_set(L"LoaderEntriesAuto", config.entries_auto, FALSE);
1803 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
1804 UINT64 osind = (UINT64)*b;
1806 if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI)
1807 config_entry_add_call(&config, L"Reboot Into Firmware Interface", reboot_into_firmware);
1811 if (config.entry_count == 0) {
1812 Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed.");
1813 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1817 config_title_generate(&config);
1819 /* select entry by configured pattern or EFI LoaderDefaultEntry= variable*/
1820 config_default_entry_select(&config);
1822 /* if no configured entry to select from was found, enable the menu */
1823 if (config.idx_default == -1) {
1824 config.idx_default = 0;
1825 if (config.timeout_sec == 0)
1826 config.timeout_sec = 10;
1829 /* select entry or show menu when key is pressed or timeout is set */
1830 if (config.timeout_sec == 0) {
1833 err = console_key_read(&key, FALSE);
1834 if (!EFI_ERROR(err)) {
1837 /* find matching key in config entries */
1838 idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key));
1840 config.idx_default = idx;
1850 entry = config.entries[config.idx_default];
1852 efivar_set_time_usec(L"LoaderTimeMenuUSec", 0);
1853 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL);
1854 if (!menu_run(&config, &entry, loaded_image_path))
1857 /* run special entry like "reboot" */
1864 /* export the selected boot entry to the system */
1865 efivar_set(L"LoaderEntrySelected", entry->file, FALSE);
1867 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL);
1868 err = image_start(image, &config, entry);
1869 if (EFI_ERROR(err)) {
1870 graphics_mode(FALSE);
1871 Print(L"\nFailed to execute %s (%s): %r\n", entry->title, entry->loader, err);
1872 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1877 config.timeout_sec = 0;
1881 FreePool(loaded_image_path);
1882 config_free(&config);
1883 uefi_call_wrapper(root_dir->Close, 1, root_dir);
1884 uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL);