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", yes_no(*b > 0));
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);
400 Print(L"editor: %s\n", yes_no(!config->no_editor));
403 Print(L"config entry count: %d\n", config->entry_count);
404 Print(L"entry selected idx: %d\n", config->idx_default);
405 if (config->idx_default_efivar >= 0)
406 Print(L"entry EFI var idx: %d\n", config->idx_default_efivar);
409 if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS)
410 Print(L"LoaderConfigTimeout: %d\n", i);
411 if (config->entry_oneshot)
412 Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot);
413 if (efivar_get(L"LoaderDevicePartUUID", &s) == EFI_SUCCESS) {
414 Print(L"LoaderDevicePartUUID: %s\n", s);
417 if (efivar_get(L"LoaderEntryDefault", &s) == EFI_SUCCESS) {
418 Print(L"LoaderEntryDefault: %s\n", s);
422 Print(L"\n--- press key ---\n\n");
423 console_key_read(&key, TRUE);
425 for (i = 0; i < config->entry_count; i++) {
428 if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q'))
431 entry = config->entries[i];
432 Print(L"config entry: %d/%d\n", i+1, config->entry_count);
434 Print(L"file '%s'\n", entry->file);
435 Print(L"title show '%s'\n", entry->title_show);
437 Print(L"title '%s'\n", entry->title);
439 Print(L"version '%s'\n", entry->version);
440 if (entry->machine_id)
441 Print(L"machine-id '%s'\n", entry->machine_id);
443 EFI_DEVICE_PATH *device_path;
446 device_path = DevicePathFromHandle(entry->device);
448 str = DevicePathToStr(device_path);
449 Print(L"device handle '%s'\n", str);
454 Print(L"loader '%s'\n", entry->loader);
456 Print(L"options '%s'\n", entry->options);
457 Print(L"auto-select %s\n", yes_no(!entry->no_autoselect));
459 Print(L"internal call yes\n");
461 Print(L"\n--- press key ---\n\n");
462 console_key_read(&key, TRUE);
465 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
468 static BOOLEAN menu_run(Config *config, ConfigEntry **chosen_entry, CHAR16 *loaded_image_path) {
472 UINTN idx_highlight_prev;
488 BOOLEAN exit = FALSE;
490 BOOLEAN wait = FALSE;
492 graphics_mode(FALSE);
493 uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE);
494 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
495 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
497 /* draw a single character to make ClearScreen work on some firmware */
498 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" ");
499 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
501 err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max);
502 if (EFI_ERROR(err)) {
507 /* we check 10 times per second for a keystroke */
508 if (config->timeout_sec > 0)
509 timeout_remain = config->timeout_sec * 10;
513 idx_highlight = config->idx_default;
514 idx_highlight_prev = 0;
516 visible_max = y_max - 2;
518 if ((UINTN)config->idx_default >= visible_max)
519 idx_first = config->idx_default-1;
523 idx_last = idx_first + visible_max-1;
528 /* length of the longest entry */
530 for (i = 0; i < config->entry_count; i++) {
533 entry_len = StrLen(config->entries[i]->title_show);
534 if (line_width < entry_len)
535 line_width = entry_len;
537 if (line_width > x_max-6)
538 line_width = x_max-6;
540 /* offsets to center the entries on the screen */
541 x_start = (x_max - (line_width)) / 2;
542 if (config->entry_count < visible_max)
543 y_start = ((visible_max - config->entry_count) / 2) + 1;
547 /* menu entries title lines */
548 lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count);
549 for (i = 0; i < config->entry_count; i++) {
552 lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16)));
553 for (j = 0; j < x_start; j++)
556 for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++)
557 lines[i][j] = config->entries[i]->title_show[k];
559 for (; j < x_max; j++)
561 lines[i][x_max] = '\0';
565 clearline = AllocatePool((x_max+1) * sizeof(CHAR16));
566 for (i = 0; i < x_max; i++)
574 for (i = 0; i < config->entry_count; i++) {
575 if (i < idx_first || i > idx_last)
577 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first);
578 if (i == idx_highlight)
579 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
580 EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
582 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
583 EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
584 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]);
585 if ((INTN)i == config->idx_default_efivar) {
586 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first);
587 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
591 } else if (highlight) {
592 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first);
593 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
594 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]);
595 if ((INTN)idx_highlight_prev == config->idx_default_efivar) {
596 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first);
597 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
600 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first);
601 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
602 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]);
603 if ((INTN)idx_highlight == config->idx_default_efivar) {
604 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first);
605 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
610 if (timeout_remain > 0) {
612 status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10);
615 /* print status at last line of screen */
621 len = StrLen(status);
623 x = (x_max - len) / 2;
626 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
627 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
628 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x));
629 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status);
630 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len);
633 err = console_key_read(&key, wait);
634 if (EFI_ERROR(err)) {
635 /* timeout reached */
636 if (timeout_remain == 0) {
641 /* sleep and update status */
642 if (timeout_remain > 0) {
643 uefi_call_wrapper(BS->Stall, 1, 100 * 1000);
648 /* timeout disabled, wait for next key */
655 /* clear status after keystroke */
659 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
660 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
661 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
664 idx_highlight_prev = idx_highlight;
667 case KEYPRESS(0, SCAN_UP, 0):
668 case KEYPRESS(0, 0, 'k'):
669 if (idx_highlight > 0)
673 case KEYPRESS(0, SCAN_DOWN, 0):
674 case KEYPRESS(0, 0, 'j'):
675 if (idx_highlight < config->entry_count-1)
679 case KEYPRESS(0, SCAN_HOME, 0):
680 case KEYPRESS(EFI_ALT_PRESSED, 0, '<'):
681 if (idx_highlight > 0) {
687 case KEYPRESS(0, SCAN_END, 0):
688 case KEYPRESS(EFI_ALT_PRESSED, 0, '>'):
689 if (idx_highlight < config->entry_count-1) {
691 idx_highlight = config->entry_count-1;
695 case KEYPRESS(0, SCAN_PAGE_UP, 0):
696 if (idx_highlight > visible_max)
697 idx_highlight -= visible_max;
702 case KEYPRESS(0, SCAN_PAGE_DOWN, 0):
703 idx_highlight += visible_max;
704 if (idx_highlight > config->entry_count-1)
705 idx_highlight = config->entry_count-1;
708 case KEYPRESS(0, 0, CHAR_LINEFEED):
709 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
713 case KEYPRESS(0, SCAN_F1, 0):
714 case KEYPRESS(0, 0, 'h'):
715 case KEYPRESS(0, 0, '?'):
716 status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp");
719 case KEYPRESS(0, 0, 'Q'):
724 case KEYPRESS(0, 0, 'd'):
725 if (config->idx_default_efivar != (INTN)idx_highlight) {
726 /* store the selected entry in a persistent EFI variable */
727 efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->file, TRUE);
728 config->idx_default_efivar = idx_highlight;
729 status = StrDuplicate(L"Default boot entry selected.");
731 /* clear the default entry EFI variable */
732 efivar_set(L"LoaderEntryDefault", NULL, TRUE);
733 config->idx_default_efivar = -1;
734 status = StrDuplicate(L"Default boot entry cleared.");
739 case KEYPRESS(0, 0, '-'):
740 case KEYPRESS(0, 0, 'T'):
741 if (config->timeout_sec_efivar > 0) {
742 config->timeout_sec_efivar--;
743 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
744 if (config->timeout_sec_efivar > 0)
745 status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar);
747 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
748 } else if (config->timeout_sec_efivar <= 0){
749 config->timeout_sec_efivar = -1;
750 efivar_set(L"LoaderConfigTimeout", NULL, TRUE);
751 if (config->timeout_sec_config > 0)
752 status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.",
753 config->timeout_sec_config);
755 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
759 case KEYPRESS(0, 0, '+'):
760 case KEYPRESS(0, 0, 't'):
761 if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0)
762 config->timeout_sec_efivar++;
763 config->timeout_sec_efivar++;
764 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
765 if (config->timeout_sec_efivar > 0)
766 status = PoolPrint(L"Menu timeout set to %d sec.",
767 config->timeout_sec_efivar);
769 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
772 case KEYPRESS(0, 0, 'e'):
773 /* only the options of configured entries can be edited */
774 if (config->no_editor || config->entries[idx_highlight]->type == LOADER_UNDEFINED)
776 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
777 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
778 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
779 if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1))
781 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
782 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
785 case KEYPRESS(0, 0, 'v'):
786 status = PoolPrint(L"systemd-boot " VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d",
787 ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff,
788 ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
791 case KEYPRESS(0, 0, 'P'):
792 print_status(config, loaded_image_path);
796 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'):
797 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')):
802 /* jump with a hotkey directly to a matching entry */
803 idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key));
810 if (idx_highlight > idx_last) {
811 idx_last = idx_highlight;
812 idx_first = 1 + idx_highlight - visible_max;
814 } else if (idx_highlight < idx_first) {
815 idx_first = idx_highlight;
816 idx_last = idx_highlight + visible_max-1;
820 if (!refresh && idx_highlight != idx_highlight_prev)
824 *chosen_entry = config->entries[idx_highlight];
826 for (i = 0; i < config->entry_count; i++)
831 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK);
832 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
836 static VOID config_add_entry(Config *config, ConfigEntry *entry) {
837 if ((config->entry_count & 15) == 0) {
840 i = config->entry_count + 16;
841 if (config->entry_count == 0)
842 config->entries = AllocatePool(sizeof(VOID *) * i);
844 config->entries = ReallocatePool(config->entries,
845 sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i);
847 config->entries[config->entry_count++] = entry;
850 static VOID config_entry_free(ConfigEntry *entry) {
851 FreePool(entry->title_show);
852 FreePool(entry->title);
853 FreePool(entry->machine_id);
854 FreePool(entry->loader);
855 FreePool(entry->options);
858 static BOOLEAN is_digit(CHAR16 c)
860 return (c >= '0') && (c <= '9');
863 static UINTN c_order(CHAR16 c)
869 else if ((c >= 'a') && (c <= 'z'))
875 static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2)
883 while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) {
886 order = c_order(*s1) - c_order(*s2);
899 while (is_digit(*s1) && is_digit(*s2)) {
915 return StrCmp(os1, os2);
918 static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
924 line = content + *pos;
929 while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen]))
932 /* move pos to next line */
942 line[linelen] = '\0';
944 /* remove leading whitespace */
945 while (strchra((CHAR8 *)" \t", *line)) {
950 /* remove trailing whitespace */
951 while (linelen > 0 && strchra(sep, line[linelen-1]))
953 line[linelen] = '\0';
958 /* split key/value */
960 while (*value && !strchra(sep, *value))
966 while (*value && strchra(sep, *value))
970 if (value[0] == '\"' && line[linelen-1] == '\"') {
972 line[linelen-1] = '\0';
980 static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
986 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
987 if (strcmpa((CHAR8 *)"timeout", key) == 0) {
990 s = stra_to_str(value);
991 config->timeout_sec_config = Atoi(s);
992 config->timeout_sec = config->timeout_sec_config;
997 if (strcmpa((CHAR8 *)"default", key) == 0) {
998 FreePool(config->entry_default_pattern);
999 config->entry_default_pattern = stra_to_str(value);
1000 StrLwr(config->entry_default_pattern);
1004 if (strcmpa((CHAR8 *)"editor", key) == 0) {
1007 if (EFI_ERROR(parse_boolean(value, &on)))
1009 config->no_editor = !on;
1014 static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR8 *content, CHAR16 *loaded_image_path) {
1020 CHAR16 *initrd = NULL;
1022 entry = AllocateZeroPool(sizeof(ConfigEntry));
1025 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1026 if (strcmpa((CHAR8 *)"title", key) == 0) {
1027 FreePool(entry->title);
1028 entry->title = stra_to_str(value);
1032 if (strcmpa((CHAR8 *)"version", key) == 0) {
1033 FreePool(entry->version);
1034 entry->version = stra_to_str(value);
1038 if (strcmpa((CHAR8 *)"machine-id", key) == 0) {
1039 FreePool(entry->machine_id);
1040 entry->machine_id = stra_to_str(value);
1044 if (strcmpa((CHAR8 *)"linux", key) == 0) {
1045 FreePool(entry->loader);
1046 entry->type = LOADER_LINUX;
1047 entry->loader = stra_to_path(value);
1052 if (strcmpa((CHAR8 *)"efi", key) == 0) {
1053 entry->type = LOADER_EFI;
1054 FreePool(entry->loader);
1055 entry->loader = stra_to_path(value);
1057 /* do not add an entry for ourselves */
1058 if (StriCmp(entry->loader, loaded_image_path) == 0) {
1059 entry->type = LOADER_UNDEFINED;
1065 if (strcmpa((CHAR8 *)"architecture", key) == 0) {
1066 /* do not add an entry for an EFI image of architecture not matching with that of the image */
1067 if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) {
1068 entry->type = LOADER_UNDEFINED;
1074 if (strcmpa((CHAR8 *)"initrd", key) == 0) {
1077 new = stra_to_path(value);
1081 s = PoolPrint(L"%s initrd=%s", initrd, new);
1085 initrd = PoolPrint(L"initrd=%s", new);
1090 if (strcmpa((CHAR8 *)"options", key) == 0) {
1093 new = stra_to_str(value);
1094 if (entry->options) {
1097 s = PoolPrint(L"%s %s", entry->options, new);
1098 FreePool(entry->options);
1101 entry->options = new;
1109 if (entry->type == LOADER_UNDEFINED) {
1110 config_entry_free(entry);
1116 /* add initrd= to options */
1117 if (entry->type == LOADER_LINUX && initrd) {
1118 if (entry->options) {
1121 s = PoolPrint(L"%s %s", initrd, entry->options);
1122 FreePool(entry->options);
1125 entry->options = initrd;
1131 entry->device = device;
1132 entry->file = StrDuplicate(file);
1133 len = StrLen(entry->file);
1134 /* remove ".conf" */
1136 entry->file[len - 5] = '\0';
1137 StrLwr(entry->file);
1139 config_add_entry(config, entry);
1142 static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
1143 EFI_FILE_HANDLE entries_dir;
1145 CHAR8 *content = NULL;
1150 len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
1152 config_defaults_load_from_file(config, content);
1155 err = efivar_get_int(L"LoaderConfigTimeout", &sec);
1156 if (!EFI_ERROR(err)) {
1157 config->timeout_sec_efivar = sec;
1158 config->timeout_sec = sec;
1160 config->timeout_sec_efivar = -1;
1162 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL);
1163 if (!EFI_ERROR(err)) {
1168 CHAR8 *content = NULL;
1171 bufsize = sizeof(buf);
1172 err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf);
1173 if (bufsize == 0 || EFI_ERROR(err))
1176 f = (EFI_FILE_INFO *) buf;
1177 if (f->FileName[0] == '.')
1179 if (f->Attribute & EFI_FILE_DIRECTORY)
1182 len = StrLen(f->FileName);
1185 if (StriCmp(f->FileName + len - 5, L".conf") != 0)
1187 if (StrnCmp(f->FileName, L"auto-", 5) == 0)
1190 len = file_read(entries_dir, f->FileName, 0, 0, &content);
1192 config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
1195 uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
1198 /* sort entries after version number */
1199 for (i = 1; i < config->entry_count; i++) {
1204 for (k = 0; k < config->entry_count - i; k++) {
1207 if (str_verscmp(config->entries[k]->file, config->entries[k+1]->file) <= 0)
1209 entry = config->entries[k];
1210 config->entries[k] = config->entries[k+1];
1211 config->entries[k+1] = entry;
1219 static VOID config_default_entry_select(Config *config) {
1225 * The EFI variable to specify a boot entry for the next, and only the
1226 * next reboot. The variable is always cleared directly after it is read.
1228 err = efivar_get(L"LoaderEntryOneShot", &var);
1229 if (!EFI_ERROR(err)) {
1230 BOOLEAN found = FALSE;
1232 for (i = 0; i < config->entry_count; i++) {
1233 if (StrCmp(config->entries[i]->file, var) == 0) {
1234 config->idx_default = i;
1240 config->entry_oneshot = StrDuplicate(var);
1241 efivar_set(L"LoaderEntryOneShot", NULL, TRUE);
1248 * The EFI variable to select the default boot entry overrides the
1249 * configured pattern. The variable can be set and cleared by pressing
1250 * the 'd' key in the loader selection menu, the entry is marked with
1253 err = efivar_get(L"LoaderEntryDefault", &var);
1254 if (!EFI_ERROR(err)) {
1255 BOOLEAN found = FALSE;
1257 for (i = 0; i < config->entry_count; i++) {
1258 if (StrCmp(config->entries[i]->file, var) == 0) {
1259 config->idx_default = i;
1260 config->idx_default_efivar = i;
1269 config->idx_default_efivar = -1;
1271 if (config->entry_count == 0)
1275 * Match the pattern from the end of the list to the start, find last
1276 * entry (largest number) matching the given pattern.
1278 if (config->entry_default_pattern) {
1279 i = config->entry_count;
1281 if (config->entries[i]->no_autoselect)
1283 if (MetaiMatch(config->entries[i]->file, config->entry_default_pattern)) {
1284 config->idx_default = i;
1290 /* select the last suitable entry */
1291 i = config->entry_count;
1293 if (config->entries[i]->no_autoselect)
1295 config->idx_default = i;
1299 /* no entry found */
1300 config->idx_default = -1;
1303 /* generate a unique title, avoiding non-distinguishable menu entries */
1304 static VOID config_title_generate(Config *config) {
1309 for (i = 0; i < config->entry_count; i++) {
1312 FreePool(config->entries[i]->title_show);
1313 title = config->entries[i]->title;
1315 title = config->entries[i]->file;
1316 config->entries[i]->title_show = StrDuplicate(title);
1320 for (i = 0; i < config->entry_count; i++) {
1321 for (k = 0; k < config->entry_count; k++) {
1324 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1328 config->entries[i]->non_unique = TRUE;
1329 config->entries[k]->non_unique = TRUE;
1335 /* add version to non-unique titles */
1336 for (i = 0; i < config->entry_count; i++) {
1339 if (!config->entries[i]->non_unique)
1341 if (!config->entries[i]->version)
1344 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version);
1345 FreePool(config->entries[i]->title_show);
1346 config->entries[i]->title_show = s;
1347 config->entries[i]->non_unique = FALSE;
1351 for (i = 0; i < config->entry_count; i++) {
1352 for (k = 0; k < config->entry_count; k++) {
1355 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1359 config->entries[i]->non_unique = TRUE;
1360 config->entries[k]->non_unique = TRUE;
1366 /* add machine-id to non-unique titles */
1367 for (i = 0; i < config->entry_count; i++) {
1371 if (!config->entries[i]->non_unique)
1373 if (!config->entries[i]->machine_id)
1376 m = StrDuplicate(config->entries[i]->machine_id);
1378 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m);
1379 FreePool(config->entries[i]->title_show);
1380 config->entries[i]->title_show = s;
1381 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 file name to non-unique titles */
1402 for (i = 0; i < config->entry_count; i++) {
1405 if (!config->entries[i]->non_unique)
1407 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->file);
1408 FreePool(config->entries[i]->title_show);
1409 config->entries[i]->title_show = s;
1410 config->entries[i]->non_unique = FALSE;
1414 static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (*call)(VOID)) {
1417 entry = AllocateZeroPool(sizeof(ConfigEntry));
1418 entry->title = StrDuplicate(title);
1420 entry->no_autoselect = TRUE;
1421 config_add_entry(config, entry);
1425 static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device,
1426 enum loader_type type,CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1429 entry = AllocateZeroPool(sizeof(ConfigEntry));
1431 entry->title = StrDuplicate(title);
1432 entry->device = device;
1433 entry->loader = StrDuplicate(loader);
1434 entry->file = StrDuplicate(file);
1435 StrLwr(entry->file);
1437 config_add_entry(config, entry);
1442 static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
1443 CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1444 EFI_FILE_HANDLE handle;
1448 /* do not add an entry for ourselves */
1449 if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
1452 /* check existence */
1453 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL);
1456 uefi_call_wrapper(handle->Close, 1, handle);
1458 entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, file, key, title, loader);
1462 /* do not boot right away into auto-detected entries */
1463 entry->no_autoselect = TRUE;
1468 static VOID config_entry_add_osx(Config *config) {
1470 UINTN handle_count = 0;
1471 EFI_HANDLE *handles = NULL;
1473 err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles);
1474 if (!EFI_ERROR(err)) {
1477 for (i = 0; i < handle_count; i++) {
1481 root = LibOpenRoot(handles[i]);
1484 found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"OS X",
1485 L"\\System\\Library\\CoreServices\\boot.efi");
1486 uefi_call_wrapper(root->Close, 1, root);
1495 static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
1496 EFI_FILE_HANDLE linux_dir;
1499 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
1500 if (!EFI_ERROR(err)) {
1505 CHAR8 *sections[] = {
1509 UINTN offs[ELEMENTSOF(sections)-1] = {};
1510 UINTN szs[ELEMENTSOF(sections)-1] = {};
1511 UINTN addrs[ELEMENTSOF(sections)-1] = {};
1512 CHAR8 *content = NULL;
1517 CHAR16 *os_name = NULL;
1518 CHAR16 *os_id = NULL;
1519 CHAR16 *os_version = NULL;
1521 bufsize = sizeof(buf);
1522 err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
1523 if (bufsize == 0 || EFI_ERROR(err))
1526 f = (EFI_FILE_INFO *) buf;
1527 if (f->FileName[0] == '.')
1529 if (f->Attribute & EFI_FILE_DIRECTORY)
1531 len = StrLen(f->FileName);
1534 if (StriCmp(f->FileName + len - 4, L".efi") != 0)
1537 /* look for an .osrel section in the .efi binary */
1538 err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
1542 len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
1546 /* read properties from the embedded os-release file */
1548 while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
1549 if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
1550 os_name = stra_to_str(value);
1554 if (strcmpa((CHAR8 *)"ID", key) == 0) {
1555 os_id = stra_to_str(value);
1559 if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
1560 os_version = stra_to_str(value);
1565 if (os_name && os_id && os_version) {
1569 conf = PoolPrint(L"%s-%s", os_id, os_version);
1570 path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
1571 config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
1576 FreePool(os_version);
1581 uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
1585 static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
1587 EFI_DEVICE_PATH *path;
1591 path = FileDevicePath(entry->device, entry->loader);
1593 Print(L"Error getting device path.");
1594 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1595 return EFI_INVALID_PARAMETER;
1598 err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image);
1599 if (EFI_ERROR(err)) {
1600 Print(L"Error loading %s: %r", entry->loader, err);
1601 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1605 if (config->options_edit)
1606 options = config->options_edit;
1607 else if (entry->options)
1608 options = entry->options;
1612 EFI_LOADED_IMAGE *loaded_image;
1614 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1615 parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1616 if (EFI_ERROR(err)) {
1617 Print(L"Error getting LoadedImageProtocol handle: %r", err);
1618 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1621 loaded_image->LoadOptions = options;
1622 loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16);
1625 efivar_set_time_usec(L"LoaderTimeExecUSec", 0);
1626 err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL);
1628 uefi_call_wrapper(BS->UnloadImage, 1, image);
1634 static EFI_STATUS reboot_into_firmware(VOID) {
1640 osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
1642 err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size);
1643 if (!EFI_ERROR(err))
1644 osind |= (UINT64)*b;
1647 err = efivar_set_raw(&global_guid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
1651 err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL);
1652 Print(L"Error calling ResetSystem: %r", err);
1653 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1657 static VOID config_free(Config *config) {
1660 for (i = 0; i < config->entry_count; i++)
1661 config_entry_free(config->entries[i]);
1662 FreePool(config->entries);
1663 FreePool(config->entry_default_pattern);
1664 FreePool(config->options_edit);
1665 FreePool(config->entry_oneshot);
1668 EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
1672 EFI_LOADED_IMAGE *loaded_image;
1674 CHAR16 *loaded_image_path;
1675 EFI_DEVICE_PATH *device_path;
1679 BOOLEAN menu = FALSE;
1681 InitializeLib(image, sys_table);
1682 init_usec = time_usec();
1683 efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec);
1684 efivar_set(L"LoaderInfo", L"systemd-boot " VERSION, FALSE);
1685 s = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
1686 efivar_set(L"LoaderFirmwareInfo", s, FALSE);
1688 s = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
1689 efivar_set(L"LoaderFirmwareType", s, FALSE);
1692 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1693 image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1694 if (EFI_ERROR(err)) {
1695 Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
1696 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1700 /* export the device path this image is started from */
1701 device_path = DevicePathFromHandle(loaded_image->DeviceHandle);
1703 EFI_DEVICE_PATH *path, *paths;
1705 paths = UnpackDevicePath(device_path);
1706 for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) {
1707 HARDDRIVE_DEVICE_PATH *drive;
1710 if (DevicePathType(path) != MEDIA_DEVICE_PATH)
1712 if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP)
1714 drive = (HARDDRIVE_DEVICE_PATH *)path;
1715 if (drive->SignatureType != SIGNATURE_TYPE_GUID)
1718 GuidToString(uuid, (EFI_GUID *)&drive->Signature);
1719 efivar_set(L"LoaderDevicePartUUID", uuid, FALSE);
1725 root_dir = LibOpenRoot(loaded_image->DeviceHandle);
1727 Print(L"Unable to open root directory: %r ", err);
1728 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1729 return EFI_LOAD_ERROR;
1733 /* the filesystem path to this image, to prevent adding ourselves to the menu */
1734 loaded_image_path = DevicePathToStr(loaded_image->FilePath);
1735 efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
1737 /* scan "\loader\entries\*.conf" files */
1738 ZeroMem(&config, sizeof(Config));
1739 config_load(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path);
1741 /* if we find some well-known loaders, add them to the end of the list */
1742 config_entry_add_linux(&config, loaded_image, root_dir);
1743 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1744 L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
1745 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1746 L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi");
1747 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1748 L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi");
1749 config_entry_add_osx(&config);
1751 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
1752 UINT64 osind = (UINT64)*b;
1754 if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI)
1755 config_entry_add_call(&config, L"Reboot Into Firmware Interface", reboot_into_firmware);
1759 if (config.entry_count == 0) {
1760 Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed.");
1761 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1765 config_title_generate(&config);
1767 /* select entry by configured pattern or EFI LoaderDefaultEntry= variable*/
1768 config_default_entry_select(&config);
1770 /* if no configured entry to select from was found, enable the menu */
1771 if (config.idx_default == -1) {
1772 config.idx_default = 0;
1773 if (config.timeout_sec == 0)
1774 config.timeout_sec = 10;
1777 /* select entry or show menu when key is pressed or timeout is set */
1778 if (config.timeout_sec == 0) {
1781 err = console_key_read(&key, FALSE);
1782 if (!EFI_ERROR(err)) {
1785 /* find matching key in config entries */
1786 idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key));
1788 config.idx_default = idx;
1798 entry = config.entries[config.idx_default];
1800 efivar_set_time_usec(L"LoaderTimeMenuUSec", 0);
1801 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL);
1802 if (!menu_run(&config, &entry, loaded_image_path))
1805 /* run special entry like "reboot" */
1812 /* export the selected boot entry to the system */
1813 efivar_set(L"LoaderEntrySelected", entry->file, FALSE);
1815 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL);
1816 err = image_start(image, &config, entry);
1817 if (EFI_ERROR(err)) {
1818 graphics_mode(FALSE);
1819 Print(L"\nFailed to execute %s (%s): %r\n", entry->title, entry->loader, err);
1820 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1825 config.timeout_sec = 0;
1829 FreePool(loaded_image_path);
1830 config_free(&config);
1831 uefi_call_wrapper(root_dir->Close, 1, root_dir);
1832 uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL);