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boot: efi - support embedded splash image
[thirdparty/systemd.git] / src / boot / efi / boot.c
1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2
3 /*
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.
8 *
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.
13 *
14 * Copyright (C) 2012-2015 Kay Sievers <kay@vrfy.org>
15 * Copyright (C) 2012-2015 Harald Hoyer <harald@redhat.com>
16 */
17
18 #include <efi.h>
19 #include <efilib.h>
20
21 #include "util.h"
22 #include "console.h"
23 #include "graphics.h"
24 #include "pefile.h"
25 #include "linux.h"
26
27 #ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI
28 #define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL
29 #endif
30
31 /* magic string to find in the binary image */
32 static const char __attribute__((used)) magic[] = "#### LoaderInfo: systemd-boot " VERSION " ####";
33
34 static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
35
36 enum loader_type {
37 LOADER_UNDEFINED,
38 LOADER_EFI,
39 LOADER_LINUX
40 };
41
42 typedef struct {
43 CHAR16 *file;
44 CHAR16 *title_show;
45 CHAR16 *title;
46 CHAR16 *version;
47 CHAR16 *machine_id;
48 EFI_HANDLE *device;
49 enum loader_type type;
50 CHAR16 *loader;
51 CHAR16 *options;
52 CHAR16 *splash;
53 CHAR16 key;
54 EFI_STATUS (*call)(VOID);
55 BOOLEAN no_autoselect;
56 BOOLEAN non_unique;
57 } ConfigEntry;
58
59 typedef struct {
60 ConfigEntry **entries;
61 UINTN entry_count;
62 INTN idx_default;
63 INTN idx_default_efivar;
64 UINTN timeout_sec;
65 UINTN timeout_sec_config;
66 INTN timeout_sec_efivar;
67 CHAR16 *entry_default_pattern;
68 CHAR16 *entry_oneshot;
69 CHAR16 *options_edit;
70 CHAR16 *entries_auto;
71 } Config;
72
73 static VOID cursor_left(UINTN *cursor, UINTN *first)
74 {
75 if ((*cursor) > 0)
76 (*cursor)--;
77 else if ((*first) > 0)
78 (*first)--;
79 }
80
81 static VOID cursor_right(UINTN *cursor, UINTN *first, UINTN x_max, UINTN len)
82 {
83 if ((*cursor)+1 < x_max)
84 (*cursor)++;
85 else if ((*first) + (*cursor) < len)
86 (*first)++;
87 }
88
89 static BOOLEAN line_edit(CHAR16 *line_in, CHAR16 **line_out, UINTN x_max, UINTN y_pos) {
90 CHAR16 *line;
91 UINTN size;
92 UINTN len;
93 UINTN first;
94 CHAR16 *print;
95 UINTN cursor;
96 UINTN clear;
97 BOOLEAN exit;
98 BOOLEAN enter;
99
100 if (!line_in)
101 line_in = L"";
102 size = StrLen(line_in) + 1024;
103 line = AllocatePool(size * sizeof(CHAR16));
104 StrCpy(line, line_in);
105 len = StrLen(line);
106 print = AllocatePool((x_max+1) * sizeof(CHAR16));
107
108 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, TRUE);
109
110 first = 0;
111 cursor = 0;
112 clear = 0;
113 enter = FALSE;
114 exit = FALSE;
115 while (!exit) {
116 EFI_STATUS err;
117 UINT64 key;
118 UINTN i;
119
120 i = len - first;
121 if (i >= x_max-1)
122 i = x_max-1;
123 CopyMem(print, line + first, i * sizeof(CHAR16));
124 while (clear > 0 && i < x_max-1) {
125 clear--;
126 print[i++] = ' ';
127 }
128 print[i] = '\0';
129
130 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_pos);
131 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, print);
132 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
133
134 err = console_key_read(&key, TRUE);
135 if (EFI_ERROR(err))
136 continue;
137
138 switch (key) {
139 case KEYPRESS(0, SCAN_ESC, 0):
140 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'c'):
141 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'g'):
142 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('c')):
143 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('g')):
144 exit = TRUE;
145 break;
146
147 case KEYPRESS(0, SCAN_HOME, 0):
148 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'a'):
149 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('a')):
150 /* beginning-of-line */
151 cursor = 0;
152 first = 0;
153 continue;
154
155 case KEYPRESS(0, SCAN_END, 0):
156 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'e'):
157 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('e')):
158 /* end-of-line */
159 cursor = len - first;
160 if (cursor+1 >= x_max) {
161 cursor = x_max-1;
162 first = len - (x_max-1);
163 }
164 continue;
165
166 case KEYPRESS(0, SCAN_DOWN, 0):
167 case KEYPRESS(EFI_ALT_PRESSED, 0, 'f'):
168 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_RIGHT, 0):
169 /* forward-word */
170 while (line[first + cursor] && line[first + cursor] == ' ')
171 cursor_right(&cursor, &first, x_max, len);
172 while (line[first + cursor] && line[first + cursor] != ' ')
173 cursor_right(&cursor, &first, x_max, len);
174 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
175 continue;
176
177 case KEYPRESS(0, SCAN_UP, 0):
178 case KEYPRESS(EFI_ALT_PRESSED, 0, 'b'):
179 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_LEFT, 0):
180 /* backward-word */
181 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
182 cursor_left(&cursor, &first);
183 while ((first + cursor) > 0 && line[first + cursor] == ' ')
184 cursor_left(&cursor, &first);
185 }
186 while ((first + cursor) > 0 && line[first + cursor-1] != ' ')
187 cursor_left(&cursor, &first);
188 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
189 continue;
190
191 case KEYPRESS(0, SCAN_RIGHT, 0):
192 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'f'):
193 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('f')):
194 /* forward-char */
195 if (first + cursor == len)
196 continue;
197 cursor_right(&cursor, &first, x_max, len);
198 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
199 continue;
200
201 case KEYPRESS(0, SCAN_LEFT, 0):
202 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'b'):
203 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('b')):
204 /* backward-char */
205 cursor_left(&cursor, &first);
206 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
207 continue;
208
209 case KEYPRESS(EFI_ALT_PRESSED, 0, 'd'):
210 /* kill-word */
211 clear = 0;
212 for (i = first + cursor; i < len && line[i] == ' '; i++)
213 clear++;
214 for (; i < len && line[i] != ' '; i++)
215 clear++;
216
217 for (i = first + cursor; i + clear < len; i++)
218 line[i] = line[i + clear];
219 len -= clear;
220 line[len] = '\0';
221 continue;
222
223 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'w'):
224 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('w')):
225 case KEYPRESS(EFI_ALT_PRESSED, 0, CHAR_BACKSPACE):
226 /* backward-kill-word */
227 clear = 0;
228 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
229 cursor_left(&cursor, &first);
230 clear++;
231 while ((first + cursor) > 0 && line[first + cursor] == ' ') {
232 cursor_left(&cursor, &first);
233 clear++;
234 }
235 }
236 while ((first + cursor) > 0 && line[first + cursor-1] != ' ') {
237 cursor_left(&cursor, &first);
238 clear++;
239 }
240 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
241
242 for (i = first + cursor; i + clear < len; i++)
243 line[i] = line[i + clear];
244 len -= clear;
245 line[len] = '\0';
246 continue;
247
248 case KEYPRESS(0, SCAN_DELETE, 0):
249 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'd'):
250 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('d')):
251 if (len == 0)
252 continue;
253 if (first + cursor == len)
254 continue;
255 for (i = first + cursor; i < len; i++)
256 line[i] = line[i+1];
257 clear = 1;
258 len--;
259 continue;
260
261 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'k'):
262 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('k')):
263 /* kill-line */
264 line[first + cursor] = '\0';
265 clear = len - (first + cursor);
266 len = first + cursor;
267 continue;
268
269 case KEYPRESS(0, 0, CHAR_LINEFEED):
270 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
271 if (StrCmp(line, line_in) != 0) {
272 *line_out = line;
273 line = NULL;
274 }
275 enter = TRUE;
276 exit = TRUE;
277 break;
278
279 case KEYPRESS(0, 0, CHAR_BACKSPACE):
280 if (len == 0)
281 continue;
282 if (first == 0 && cursor == 0)
283 continue;
284 for (i = first + cursor-1; i < len; i++)
285 line[i] = line[i+1];
286 clear = 1;
287 len--;
288 if (cursor > 0)
289 cursor--;
290 if (cursor > 0 || first == 0)
291 continue;
292 /* show full line if it fits */
293 if (len < x_max) {
294 cursor = first;
295 first = 0;
296 continue;
297 }
298 /* jump left to see what we delete */
299 if (first > 10) {
300 first -= 10;
301 cursor = 10;
302 } else {
303 cursor = first;
304 first = 0;
305 }
306 continue;
307
308 case KEYPRESS(0, 0, ' ') ... KEYPRESS(0, 0, '~'):
309 case KEYPRESS(0, 0, 0x80) ... KEYPRESS(0, 0, 0xffff):
310 if (len+1 == size)
311 continue;
312 for (i = len; i > first + cursor; i--)
313 line[i] = line[i-1];
314 line[first + cursor] = KEYCHAR(key);
315 len++;
316 line[len] = '\0';
317 if (cursor+1 < x_max)
318 cursor++;
319 else if (first + cursor < len)
320 first++;
321 continue;
322 }
323 }
324
325 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
326 FreePool(print);
327 FreePool(line);
328 return enter;
329 }
330
331 static UINTN entry_lookup_key(Config *config, UINTN start, CHAR16 key) {
332 UINTN i;
333
334 if (key == 0)
335 return -1;
336
337 /* select entry by number key */
338 if (key >= '1' && key <= '9') {
339 i = key - '0';
340 if (i > config->entry_count)
341 i = config->entry_count;
342 return i-1;
343 }
344
345 /* find matching key in config entries */
346 for (i = start; i < config->entry_count; i++)
347 if (config->entries[i]->key == key)
348 return i;
349
350 for (i = 0; i < start; i++)
351 if (config->entries[i]->key == key)
352 return i;
353
354 return -1;
355 }
356
357 static VOID print_status(Config *config, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
358 UINT64 key;
359 UINTN i;
360 CHAR16 *s;
361 CHAR8 *b;
362 UINTN x;
363 UINTN y;
364 UINTN size;
365 EFI_STATUS err;
366 UINTN color = 0;
367 const EFI_GRAPHICS_OUTPUT_BLT_PIXEL *pixel = NULL;
368
369 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
370 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
371
372 Print(L"systemd-boot version: " VERSION "\n");
373 Print(L"architecture: " EFI_MACHINE_TYPE_NAME "\n");
374 Print(L"loaded image: %s\n", loaded_image_path);
375 Print(L"UEFI specification: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
376 Print(L"firmware vendor: %s\n", ST->FirmwareVendor);
377 Print(L"firmware version: %d.%02d\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
378
379 if (uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x, &y) == EFI_SUCCESS)
380 Print(L"console size: %d x %d\n", x, y);
381
382 if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
383 Print(L"SecureBoot: %s\n", *b > 0 ? L"enabled" : L"disabled");
384 FreePool(b);
385 }
386
387 if (efivar_get_raw(&global_guid, L"SetupMode", &b, &size) == EFI_SUCCESS) {
388 Print(L"SetupMode: %s\n", *b > 0 ? L"setup" : L"user");
389 FreePool(b);
390 }
391
392 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
393 Print(L"OsIndicationsSupported: %d\n", (UINT64)*b);
394 FreePool(b);
395 }
396 Print(L"\n");
397
398 Print(L"timeout: %d\n", config->timeout_sec);
399 if (config->timeout_sec_efivar >= 0)
400 Print(L"timeout (EFI var): %d\n", config->timeout_sec_efivar);
401 Print(L"timeout (config): %d\n", config->timeout_sec_config);
402 if (config->entry_default_pattern)
403 Print(L"default pattern: '%s'\n", config->entry_default_pattern);
404 Print(L"\n");
405
406 Print(L"config entry count: %d\n", config->entry_count);
407 Print(L"entry selected idx: %d\n", config->idx_default);
408 if (config->idx_default_efivar >= 0)
409 Print(L"entry EFI var idx: %d\n", config->idx_default_efivar);
410 Print(L"\n");
411
412 if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS)
413 Print(L"LoaderConfigTimeout: %d\n", i);
414 if (config->entry_oneshot)
415 Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot);
416 if (efivar_get(L"LoaderDeviceIdentifier", &s) == EFI_SUCCESS) {
417 Print(L"LoaderDeviceIdentifier: %s\n", s);
418 FreePool(s);
419 }
420 if (efivar_get(L"LoaderDevicePartUUID", &s) == EFI_SUCCESS) {
421 Print(L"LoaderDevicePartUUID: %s\n", s);
422 FreePool(s);
423 }
424 if (efivar_get(L"LoaderEntryDefault", &s) == EFI_SUCCESS) {
425 Print(L"LoaderEntryDefault: %s\n", s);
426 FreePool(s);
427 }
428
429 Print(L"\n--- press key ---\n\n");
430 console_key_read(&key, TRUE);
431
432 for (i = 0; i < config->entry_count; i++) {
433 ConfigEntry *entry;
434
435 if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q'))
436 break;
437
438 entry = config->entries[i];
439
440 if (entry->splash) {
441 UINT8 *content = NULL;
442 INTN len;
443
444 len = file_read(root_dir, entry->splash, 0, 0, &content);
445 if (len > 0) {
446 for (;;) {
447 static const EFI_GRAPHICS_OUTPUT_BLT_PIXEL colors[] = {
448 { .Red = 0xff, .Green = 0xff, .Blue = 0xff },
449 { .Red = 0xc0, .Green = 0xc0, .Blue = 0xc0 },
450 { .Red = 0xff, .Green = 0, .Blue = 0 },
451 { .Red = 0, .Green = 0xff, .Blue = 0 },
452 { .Red = 0, .Green = 0, .Blue = 0xff },
453 { .Red = 0, .Green = 0, .Blue = 0 },
454 };
455
456 err = graphics_splash(content, len, pixel);
457 if (EFI_ERROR(err))
458 break;
459
460 /* 'b' rotates through background colors */
461 console_key_read(&key, TRUE);
462 if (key != KEYPRESS(0, 0, 'b'))
463 break;
464 pixel = &colors[color++];
465 if (color == ELEMENTSOF(colors))
466 color = 0;
467 }
468 }
469
470 FreePool(content);
471 graphics_mode(FALSE);
472 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
473 }
474
475 Print(L"config entry: %d/%d\n", i+1, config->entry_count);
476 if (entry->file)
477 Print(L"file '%s'\n", entry->file);
478 Print(L"title show '%s'\n", entry->title_show);
479 if (entry->title)
480 Print(L"title '%s'\n", entry->title);
481 if (entry->version)
482 Print(L"version '%s'\n", entry->version);
483 if (entry->machine_id)
484 Print(L"machine-id '%s'\n", entry->machine_id);
485 if (entry->device) {
486 EFI_DEVICE_PATH *device_path;
487 CHAR16 *str;
488
489 device_path = DevicePathFromHandle(entry->device);
490 if (device_path) {
491 str = DevicePathToStr(device_path);
492 Print(L"device handle '%s'\n", str);
493 FreePool(str);
494 }
495 }
496 if (entry->loader)
497 Print(L"loader '%s'\n", entry->loader);
498 if (entry->options)
499 Print(L"options '%s'\n", entry->options);
500 if (entry->splash)
501 Print(L"splash '%s'\n", entry->splash);
502 Print(L"auto-select %s\n", entry->no_autoselect ? L"no" : L"yes");
503 if (entry->call)
504 Print(L"internal call yes\n");
505
506 Print(L"\n--- press key ---\n\n");
507 console_key_read(&key, TRUE);
508 }
509
510 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
511 }
512
513 static BOOLEAN menu_run(Config *config, ConfigEntry **chosen_entry, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
514 EFI_STATUS err;
515 UINTN visible_max;
516 UINTN idx_highlight;
517 UINTN idx_highlight_prev;
518 UINTN idx_first;
519 UINTN idx_last;
520 BOOLEAN refresh;
521 BOOLEAN highlight;
522 UINTN i;
523 UINTN line_width;
524 CHAR16 **lines;
525 UINTN x_start;
526 UINTN y_start;
527 UINTN x_max;
528 UINTN y_max;
529 CHAR16 *status;
530 CHAR16 *clearline;
531 INTN timeout_remain;
532 INT16 idx;
533 BOOLEAN exit = FALSE;
534 BOOLEAN run = TRUE;
535 BOOLEAN wait = FALSE;
536
537 graphics_mode(FALSE);
538 uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE);
539 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
540 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
541
542 /* draw a single character to make ClearScreen work on some firmware */
543 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" ");
544 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
545
546 err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max);
547 if (EFI_ERROR(err)) {
548 x_max = 80;
549 y_max = 25;
550 }
551
552 /* we check 10 times per second for a keystroke */
553 if (config->timeout_sec > 0)
554 timeout_remain = config->timeout_sec * 10;
555 else
556 timeout_remain = -1;
557
558 idx_highlight = config->idx_default;
559 idx_highlight_prev = 0;
560
561 visible_max = y_max - 2;
562
563 if ((UINTN)config->idx_default >= visible_max)
564 idx_first = config->idx_default-1;
565 else
566 idx_first = 0;
567
568 idx_last = idx_first + visible_max-1;
569
570 refresh = TRUE;
571 highlight = FALSE;
572
573 /* length of the longest entry */
574 line_width = 5;
575 for (i = 0; i < config->entry_count; i++) {
576 UINTN entry_len;
577
578 entry_len = StrLen(config->entries[i]->title_show);
579 if (line_width < entry_len)
580 line_width = entry_len;
581 }
582 if (line_width > x_max-6)
583 line_width = x_max-6;
584
585 /* offsets to center the entries on the screen */
586 x_start = (x_max - (line_width)) / 2;
587 if (config->entry_count < visible_max)
588 y_start = ((visible_max - config->entry_count) / 2) + 1;
589 else
590 y_start = 0;
591
592 /* menu entries title lines */
593 lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count);
594 for (i = 0; i < config->entry_count; i++) {
595 UINTN j, k;
596
597 lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16)));
598 for (j = 0; j < x_start; j++)
599 lines[i][j] = ' ';
600
601 for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++)
602 lines[i][j] = config->entries[i]->title_show[k];
603
604 for (; j < x_max; j++)
605 lines[i][j] = ' ';
606 lines[i][x_max] = '\0';
607 }
608
609 status = NULL;
610 clearline = AllocatePool((x_max+1) * sizeof(CHAR16));
611 for (i = 0; i < x_max; i++)
612 clearline[i] = ' ';
613 clearline[i] = 0;
614
615 while (!exit) {
616 UINT64 key;
617
618 if (refresh) {
619 for (i = 0; i < config->entry_count; i++) {
620 if (i < idx_first || i > idx_last)
621 continue;
622 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first);
623 if (i == idx_highlight)
624 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
625 EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
626 else
627 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
628 EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
629 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]);
630 if ((INTN)i == config->idx_default_efivar) {
631 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first);
632 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
633 }
634 }
635 refresh = FALSE;
636 } else if (highlight) {
637 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first);
638 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
639 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]);
640 if ((INTN)idx_highlight_prev == config->idx_default_efivar) {
641 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first);
642 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
643 }
644
645 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first);
646 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
647 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]);
648 if ((INTN)idx_highlight == config->idx_default_efivar) {
649 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first);
650 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
651 }
652 highlight = FALSE;
653 }
654
655 if (timeout_remain > 0) {
656 FreePool(status);
657 status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10);
658 }
659
660 /* print status at last line of screen */
661 if (status) {
662 UINTN len;
663 UINTN x;
664
665 /* center line */
666 len = StrLen(status);
667 if (len < x_max)
668 x = (x_max - len) / 2;
669 else
670 x = 0;
671 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
672 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
673 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x));
674 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status);
675 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len);
676 }
677
678 err = console_key_read(&key, wait);
679 if (EFI_ERROR(err)) {
680 /* timeout reached */
681 if (timeout_remain == 0) {
682 exit = TRUE;
683 break;
684 }
685
686 /* sleep and update status */
687 if (timeout_remain > 0) {
688 uefi_call_wrapper(BS->Stall, 1, 100 * 1000);
689 timeout_remain--;
690 continue;
691 }
692
693 /* timeout disabled, wait for next key */
694 wait = TRUE;
695 continue;
696 }
697
698 timeout_remain = -1;
699
700 /* clear status after keystroke */
701 if (status) {
702 FreePool(status);
703 status = NULL;
704 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
705 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
706 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
707 }
708
709 idx_highlight_prev = idx_highlight;
710
711 switch (key) {
712 case KEYPRESS(0, SCAN_UP, 0):
713 case KEYPRESS(0, 0, 'k'):
714 if (idx_highlight > 0)
715 idx_highlight--;
716 break;
717
718 case KEYPRESS(0, SCAN_DOWN, 0):
719 case KEYPRESS(0, 0, 'j'):
720 if (idx_highlight < config->entry_count-1)
721 idx_highlight++;
722 break;
723
724 case KEYPRESS(0, SCAN_HOME, 0):
725 case KEYPRESS(EFI_ALT_PRESSED, 0, '<'):
726 if (idx_highlight > 0) {
727 refresh = TRUE;
728 idx_highlight = 0;
729 }
730 break;
731
732 case KEYPRESS(0, SCAN_END, 0):
733 case KEYPRESS(EFI_ALT_PRESSED, 0, '>'):
734 if (idx_highlight < config->entry_count-1) {
735 refresh = TRUE;
736 idx_highlight = config->entry_count-1;
737 }
738 break;
739
740 case KEYPRESS(0, SCAN_PAGE_UP, 0):
741 if (idx_highlight > visible_max)
742 idx_highlight -= visible_max;
743 else
744 idx_highlight = 0;
745 break;
746
747 case KEYPRESS(0, SCAN_PAGE_DOWN, 0):
748 idx_highlight += visible_max;
749 if (idx_highlight > config->entry_count-1)
750 idx_highlight = config->entry_count-1;
751 break;
752
753 case KEYPRESS(0, 0, CHAR_LINEFEED):
754 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
755 exit = TRUE;
756 break;
757
758 case KEYPRESS(0, SCAN_F1, 0):
759 case KEYPRESS(0, 0, 'h'):
760 case KEYPRESS(0, 0, '?'):
761 status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp");
762 break;
763
764 case KEYPRESS(0, 0, 'Q'):
765 exit = TRUE;
766 run = FALSE;
767 break;
768
769 case KEYPRESS(0, 0, 'd'):
770 if (config->idx_default_efivar != (INTN)idx_highlight) {
771 /* store the selected entry in a persistent EFI variable */
772 efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->file, TRUE);
773 config->idx_default_efivar = idx_highlight;
774 status = StrDuplicate(L"Default boot entry selected.");
775 } else {
776 /* clear the default entry EFI variable */
777 efivar_set(L"LoaderEntryDefault", NULL, TRUE);
778 config->idx_default_efivar = -1;
779 status = StrDuplicate(L"Default boot entry cleared.");
780 }
781 refresh = TRUE;
782 break;
783
784 case KEYPRESS(0, 0, '-'):
785 case KEYPRESS(0, 0, 'T'):
786 if (config->timeout_sec_efivar > 0) {
787 config->timeout_sec_efivar--;
788 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
789 if (config->timeout_sec_efivar > 0)
790 status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar);
791 else
792 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
793 } else if (config->timeout_sec_efivar <= 0){
794 config->timeout_sec_efivar = -1;
795 efivar_set(L"LoaderConfigTimeout", NULL, TRUE);
796 if (config->timeout_sec_config > 0)
797 status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.",
798 config->timeout_sec_config);
799 else
800 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
801 }
802 break;
803
804 case KEYPRESS(0, 0, '+'):
805 case KEYPRESS(0, 0, 't'):
806 if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0)
807 config->timeout_sec_efivar++;
808 config->timeout_sec_efivar++;
809 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
810 if (config->timeout_sec_efivar > 0)
811 status = PoolPrint(L"Menu timeout set to %d sec.",
812 config->timeout_sec_efivar);
813 else
814 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
815 break;
816
817 case KEYPRESS(0, 0, 'e'):
818 /* only the options of configured entries can be edited */
819 if (config->entries[idx_highlight]->type == LOADER_UNDEFINED)
820 break;
821 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
822 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
823 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
824 if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1))
825 exit = TRUE;
826 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
827 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
828 break;
829
830 case KEYPRESS(0, 0, 'v'):
831 status = PoolPrint(L"systemd-boot " VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d",
832 ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff,
833 ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
834 break;
835
836 case KEYPRESS(0, 0, 'P'):
837 print_status(config, root_dir, loaded_image_path);
838 refresh = TRUE;
839 break;
840
841 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'):
842 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')):
843 refresh = TRUE;
844 break;
845
846 default:
847 /* jump with a hotkey directly to a matching entry */
848 idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key));
849 if (idx < 0)
850 break;
851 idx_highlight = idx;
852 refresh = TRUE;
853 }
854
855 if (idx_highlight > idx_last) {
856 idx_last = idx_highlight;
857 idx_first = 1 + idx_highlight - visible_max;
858 refresh = TRUE;
859 }
860 if (idx_highlight < idx_first) {
861 idx_first = idx_highlight;
862 idx_last = idx_highlight + visible_max-1;
863 refresh = TRUE;
864 }
865
866 idx_last = idx_first + visible_max-1;
867
868 if (!refresh && idx_highlight != idx_highlight_prev)
869 highlight = TRUE;
870 }
871
872 *chosen_entry = config->entries[idx_highlight];
873
874 for (i = 0; i < config->entry_count; i++)
875 FreePool(lines[i]);
876 FreePool(lines);
877 FreePool(clearline);
878
879 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK);
880 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
881 return run;
882 }
883
884 static VOID config_add_entry(Config *config, ConfigEntry *entry) {
885 if ((config->entry_count & 15) == 0) {
886 UINTN i;
887
888 i = config->entry_count + 16;
889 if (config->entry_count == 0)
890 config->entries = AllocatePool(sizeof(VOID *) * i);
891 else
892 config->entries = ReallocatePool(config->entries,
893 sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i);
894 }
895 config->entries[config->entry_count++] = entry;
896 }
897
898 static VOID config_entry_free(ConfigEntry *entry) {
899 FreePool(entry->title_show);
900 FreePool(entry->title);
901 FreePool(entry->machine_id);
902 FreePool(entry->loader);
903 FreePool(entry->options);
904 }
905
906 static BOOLEAN is_digit(CHAR16 c)
907 {
908 return (c >= '0') && (c <= '9');
909 }
910
911 static UINTN c_order(CHAR16 c)
912 {
913 if (c == '\0')
914 return 0;
915 if (is_digit(c))
916 return 0;
917 else if ((c >= 'a') && (c <= 'z'))
918 return c;
919 else
920 return c + 0x10000;
921 }
922
923 static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2)
924 {
925 CHAR16 *os1 = s1;
926 CHAR16 *os2 = s2;
927
928 while (*s1 || *s2) {
929 INTN first;
930
931 while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) {
932 INTN order;
933
934 order = c_order(*s1) - c_order(*s2);
935 if (order)
936 return order;
937 s1++;
938 s2++;
939 }
940
941 while (*s1 == '0')
942 s1++;
943 while (*s2 == '0')
944 s2++;
945
946 first = 0;
947 while (is_digit(*s1) && is_digit(*s2)) {
948 if (first == 0)
949 first = *s1 - *s2;
950 s1++;
951 s2++;
952 }
953
954 if (is_digit(*s1))
955 return 1;
956 if (is_digit(*s2))
957 return -1;
958
959 if (first)
960 return first;
961 }
962
963 return StrCmp(os1, os2);
964 }
965
966 static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
967 CHAR8 *line;
968 UINTN linelen;
969 CHAR8 *value;
970
971 skip:
972 line = content + *pos;
973 if (*line == '\0')
974 return NULL;
975
976 linelen = 0;
977 while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen]))
978 linelen++;
979
980 /* move pos to next line */
981 *pos += linelen;
982 if (content[*pos])
983 (*pos)++;
984
985 /* empty line */
986 if (linelen == 0)
987 goto skip;
988
989 /* terminate line */
990 line[linelen] = '\0';
991
992 /* remove leading whitespace */
993 while (strchra((CHAR8 *)" \t", *line)) {
994 line++;
995 linelen--;
996 }
997
998 /* remove trailing whitespace */
999 while (linelen > 0 && strchra(sep, line[linelen-1]))
1000 linelen--;
1001 line[linelen] = '\0';
1002
1003 if (*line == '#')
1004 goto skip;
1005
1006 /* split key/value */
1007 value = line;
1008 while (*value && !strchra(sep, *value))
1009 value++;
1010 if (*value == '\0')
1011 goto skip;
1012 *value = '\0';
1013 value++;
1014 while (*value && strchra(sep, *value))
1015 value++;
1016
1017 /* unquote */
1018 if (value[0] == '\"' && line[linelen-1] == '\"') {
1019 value++;
1020 line[linelen-1] = '\0';
1021 }
1022
1023 *key_ret = line;
1024 *value_ret = value;
1025 return line;
1026 }
1027
1028 static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
1029 CHAR8 *line;
1030 UINTN pos = 0;
1031 CHAR8 *key, *value;
1032
1033 line = content;
1034 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1035 if (strcmpa((CHAR8 *)"timeout", key) == 0) {
1036 CHAR16 *s;
1037
1038 s = stra_to_str(value);
1039 config->timeout_sec_config = Atoi(s);
1040 config->timeout_sec = config->timeout_sec_config;
1041 FreePool(s);
1042 continue;
1043 }
1044
1045 if (strcmpa((CHAR8 *)"default", key) == 0) {
1046 FreePool(config->entry_default_pattern);
1047 config->entry_default_pattern = stra_to_str(value);
1048 StrLwr(config->entry_default_pattern);
1049 continue;
1050 }
1051 }
1052 }
1053
1054 static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR8 *content, CHAR16 *loaded_image_path) {
1055 ConfigEntry *entry;
1056 CHAR8 *line;
1057 UINTN pos = 0;
1058 CHAR8 *key, *value;
1059 UINTN len;
1060 CHAR16 *initrd = NULL;
1061
1062 entry = AllocateZeroPool(sizeof(ConfigEntry));
1063
1064 line = content;
1065 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1066 if (strcmpa((CHAR8 *)"title", key) == 0) {
1067 FreePool(entry->title);
1068 entry->title = stra_to_str(value);
1069 continue;
1070 }
1071
1072 if (strcmpa((CHAR8 *)"version", key) == 0) {
1073 FreePool(entry->version);
1074 entry->version = stra_to_str(value);
1075 continue;
1076 }
1077
1078 if (strcmpa((CHAR8 *)"machine-id", key) == 0) {
1079 FreePool(entry->machine_id);
1080 entry->machine_id = stra_to_str(value);
1081 continue;
1082 }
1083
1084 if (strcmpa((CHAR8 *)"linux", key) == 0) {
1085 FreePool(entry->loader);
1086 entry->type = LOADER_LINUX;
1087 entry->loader = stra_to_path(value);
1088 entry->key = 'l';
1089 continue;
1090 }
1091
1092 if (strcmpa((CHAR8 *)"efi", key) == 0) {
1093 entry->type = LOADER_EFI;
1094 FreePool(entry->loader);
1095 entry->loader = stra_to_path(value);
1096
1097 /* do not add an entry for ourselves */
1098 if (StriCmp(entry->loader, loaded_image_path) == 0) {
1099 entry->type = LOADER_UNDEFINED;
1100 break;
1101 }
1102 continue;
1103 }
1104
1105 if (strcmpa((CHAR8 *)"architecture", key) == 0) {
1106 /* do not add an entry for an EFI image of architecture not matching with that of the image */
1107 if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) {
1108 entry->type = LOADER_UNDEFINED;
1109 break;
1110 }
1111 continue;
1112 }
1113
1114 if (strcmpa((CHAR8 *)"initrd", key) == 0) {
1115 CHAR16 *new;
1116
1117 new = stra_to_path(value);
1118 if (initrd) {
1119 CHAR16 *s;
1120
1121 s = PoolPrint(L"%s initrd=%s", initrd, new);
1122 FreePool(initrd);
1123 initrd = s;
1124 } else
1125 initrd = PoolPrint(L"initrd=%s", new);
1126 FreePool(new);
1127 continue;
1128 }
1129
1130 if (strcmpa((CHAR8 *)"options", key) == 0) {
1131 CHAR16 *new;
1132
1133 new = stra_to_str(value);
1134 if (entry->options) {
1135 CHAR16 *s;
1136
1137 s = PoolPrint(L"%s %s", entry->options, new);
1138 FreePool(entry->options);
1139 entry->options = s;
1140 } else {
1141 entry->options = new;
1142 new = NULL;
1143 }
1144 FreePool(new);
1145 continue;
1146 }
1147
1148 if (strcmpa((CHAR8 *)"splash", key) == 0) {
1149 FreePool(entry->splash);
1150 entry->splash = stra_to_path(value);
1151 continue;
1152 }
1153 }
1154
1155 if (entry->type == LOADER_UNDEFINED) {
1156 config_entry_free(entry);
1157 FreePool(initrd);
1158 FreePool(entry);
1159 return;
1160 }
1161
1162 /* add initrd= to options */
1163 if (entry->type == LOADER_LINUX && initrd) {
1164 if (entry->options) {
1165 CHAR16 *s;
1166
1167 s = PoolPrint(L"%s %s", initrd, entry->options);
1168 FreePool(entry->options);
1169 entry->options = s;
1170 } else {
1171 entry->options = initrd;
1172 initrd = NULL;
1173 }
1174 }
1175 FreePool(initrd);
1176
1177 if (entry->machine_id) {
1178 CHAR16 *var;
1179
1180 /* append additional options from EFI variables for this machine-id */
1181 var = PoolPrint(L"LoaderEntryOptions-%s", entry->machine_id);
1182 if (var) {
1183 CHAR16 *s;
1184
1185 if (efivar_get(var, &s) == EFI_SUCCESS) {
1186 if (entry->options) {
1187 CHAR16 *s2;
1188
1189 s2 = PoolPrint(L"%s %s", entry->options, s);
1190 FreePool(entry->options);
1191 entry->options = s2;
1192 } else
1193 entry->options = s;
1194 }
1195 FreePool(var);
1196 }
1197
1198 var = PoolPrint(L"LoaderEntryOptionsOneShot-%s", entry->machine_id);
1199 if (var) {
1200 CHAR16 *s;
1201
1202 if (efivar_get(var, &s) == EFI_SUCCESS) {
1203 if (entry->options) {
1204 CHAR16 *s2;
1205
1206 s2 = PoolPrint(L"%s %s", entry->options, s);
1207 FreePool(entry->options);
1208 entry->options = s2;
1209 } else
1210 entry->options = s;
1211 efivar_set(var, NULL, TRUE);
1212 }
1213 FreePool(var);
1214 }
1215 }
1216
1217 entry->device = device;
1218 entry->file = StrDuplicate(file);
1219 len = StrLen(entry->file);
1220 /* remove ".conf" */
1221 if (len > 5)
1222 entry->file[len - 5] = '\0';
1223 StrLwr(entry->file);
1224
1225 config_add_entry(config, entry);
1226 }
1227
1228 static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
1229 EFI_FILE_HANDLE entries_dir;
1230 EFI_STATUS err;
1231 CHAR8 *content = NULL;
1232 UINTN sec;
1233 UINTN len;
1234 UINTN i;
1235
1236 len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
1237 if (len > 0)
1238 config_defaults_load_from_file(config, content);
1239 FreePool(content);
1240
1241 err = efivar_get_int(L"LoaderConfigTimeout", &sec);
1242 if (!EFI_ERROR(err)) {
1243 config->timeout_sec_efivar = sec;
1244 config->timeout_sec = sec;
1245 } else
1246 config->timeout_sec_efivar = -1;
1247
1248 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL);
1249 if (!EFI_ERROR(err)) {
1250 for (;;) {
1251 CHAR16 buf[256];
1252 UINTN bufsize;
1253 EFI_FILE_INFO *f;
1254 CHAR8 *content = NULL;
1255 UINTN len;
1256
1257 bufsize = sizeof(buf);
1258 err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf);
1259 if (bufsize == 0 || EFI_ERROR(err))
1260 break;
1261
1262 f = (EFI_FILE_INFO *) buf;
1263 if (f->FileName[0] == '.')
1264 continue;
1265 if (f->Attribute & EFI_FILE_DIRECTORY)
1266 continue;
1267 len = StrLen(f->FileName);
1268 if (len < 6)
1269 continue;
1270 if (StriCmp(f->FileName + len - 5, L".conf") != 0)
1271 continue;
1272
1273 len = file_read(entries_dir, f->FileName, 0, 0, &content);
1274 if (len > 0)
1275 config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
1276 FreePool(content);
1277 }
1278 uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
1279 }
1280
1281 /* sort entries after version number */
1282 for (i = 1; i < config->entry_count; i++) {
1283 BOOLEAN more;
1284 UINTN k;
1285
1286 more = FALSE;
1287 for (k = 0; k < config->entry_count - i; k++) {
1288 ConfigEntry *entry;
1289
1290 if (str_verscmp(config->entries[k]->file, config->entries[k+1]->file) <= 0)
1291 continue;
1292 entry = config->entries[k];
1293 config->entries[k] = config->entries[k+1];
1294 config->entries[k+1] = entry;
1295 more = TRUE;
1296 }
1297 if (!more)
1298 break;
1299 }
1300 }
1301
1302 static VOID config_default_entry_select(Config *config) {
1303 CHAR16 *var;
1304 EFI_STATUS err;
1305 UINTN i;
1306
1307 /*
1308 * The EFI variable to specify a boot entry for the next, and only the
1309 * next reboot. The variable is always cleared directly after it is read.
1310 */
1311 err = efivar_get(L"LoaderEntryOneShot", &var);
1312 if (!EFI_ERROR(err)) {
1313 BOOLEAN found = FALSE;
1314
1315 for (i = 0; i < config->entry_count; i++) {
1316 if (StrCmp(config->entries[i]->file, var) == 0) {
1317 config->idx_default = i;
1318 found = TRUE;
1319 break;
1320 }
1321 }
1322
1323 config->entry_oneshot = StrDuplicate(var);
1324 efivar_set(L"LoaderEntryOneShot", NULL, TRUE);
1325 FreePool(var);
1326 if (found)
1327 return;
1328 }
1329
1330 /*
1331 * The EFI variable to select the default boot entry overrides the
1332 * configured pattern. The variable can be set and cleared by pressing
1333 * the 'd' key in the loader selection menu, the entry is marked with
1334 * an '*'.
1335 */
1336 err = efivar_get(L"LoaderEntryDefault", &var);
1337 if (!EFI_ERROR(err)) {
1338 BOOLEAN found = FALSE;
1339
1340 for (i = 0; i < config->entry_count; i++) {
1341 if (StrCmp(config->entries[i]->file, var) == 0) {
1342 config->idx_default = i;
1343 config->idx_default_efivar = i;
1344 found = TRUE;
1345 break;
1346 }
1347 }
1348 FreePool(var);
1349 if (found)
1350 return;
1351 }
1352 config->idx_default_efivar = -1;
1353
1354 if (config->entry_count == 0)
1355 return;
1356
1357 /*
1358 * Match the pattern from the end of the list to the start, find last
1359 * entry (largest number) matching the given pattern.
1360 */
1361 if (config->entry_default_pattern) {
1362 i = config->entry_count;
1363 while (i--) {
1364 if (config->entries[i]->no_autoselect)
1365 continue;
1366 if (MetaiMatch(config->entries[i]->file, config->entry_default_pattern)) {
1367 config->idx_default = i;
1368 return;
1369 }
1370 }
1371 }
1372
1373 /* select the last suitable entry */
1374 i = config->entry_count;
1375 while (i--) {
1376 if (config->entries[i]->no_autoselect)
1377 continue;
1378 config->idx_default = i;
1379 return;
1380 }
1381
1382 /* no entry found */
1383 config->idx_default = -1;
1384 }
1385
1386 /* generate a unique title, avoiding non-distinguishable menu entries */
1387 static VOID config_title_generate(Config *config) {
1388 UINTN i, k;
1389 BOOLEAN unique;
1390
1391 /* set title */
1392 for (i = 0; i < config->entry_count; i++) {
1393 CHAR16 *title;
1394
1395 FreePool(config->entries[i]->title_show);
1396 title = config->entries[i]->title;
1397 if (!title)
1398 title = config->entries[i]->file;
1399 config->entries[i]->title_show = StrDuplicate(title);
1400 }
1401
1402 unique = TRUE;
1403 for (i = 0; i < config->entry_count; i++) {
1404 for (k = 0; k < config->entry_count; k++) {
1405 if (i == k)
1406 continue;
1407 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1408 continue;
1409
1410 unique = FALSE;
1411 config->entries[i]->non_unique = TRUE;
1412 config->entries[k]->non_unique = TRUE;
1413 }
1414 }
1415 if (unique)
1416 return;
1417
1418 /* add version to non-unique titles */
1419 for (i = 0; i < config->entry_count; i++) {
1420 CHAR16 *s;
1421
1422 if (!config->entries[i]->non_unique)
1423 continue;
1424 if (!config->entries[i]->version)
1425 continue;
1426
1427 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version);
1428 FreePool(config->entries[i]->title_show);
1429 config->entries[i]->title_show = s;
1430 config->entries[i]->non_unique = FALSE;
1431 }
1432
1433 unique = TRUE;
1434 for (i = 0; i < config->entry_count; i++) {
1435 for (k = 0; k < config->entry_count; k++) {
1436 if (i == k)
1437 continue;
1438 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1439 continue;
1440
1441 unique = FALSE;
1442 config->entries[i]->non_unique = TRUE;
1443 config->entries[k]->non_unique = TRUE;
1444 }
1445 }
1446 if (unique)
1447 return;
1448
1449 /* add machine-id to non-unique titles */
1450 for (i = 0; i < config->entry_count; i++) {
1451 CHAR16 *s;
1452 CHAR16 *m;
1453
1454 if (!config->entries[i]->non_unique)
1455 continue;
1456 if (!config->entries[i]->machine_id)
1457 continue;
1458
1459 m = StrDuplicate(config->entries[i]->machine_id);
1460 m[8] = '\0';
1461 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m);
1462 FreePool(config->entries[i]->title_show);
1463 config->entries[i]->title_show = s;
1464 config->entries[i]->non_unique = FALSE;
1465 FreePool(m);
1466 }
1467
1468 unique = TRUE;
1469 for (i = 0; i < config->entry_count; i++) {
1470 for (k = 0; k < config->entry_count; k++) {
1471 if (i == k)
1472 continue;
1473 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1474 continue;
1475
1476 unique = FALSE;
1477 config->entries[i]->non_unique = TRUE;
1478 config->entries[k]->non_unique = TRUE;
1479 }
1480 }
1481 if (unique)
1482 return;
1483
1484 /* add file name to non-unique titles */
1485 for (i = 0; i < config->entry_count; i++) {
1486 CHAR16 *s;
1487
1488 if (!config->entries[i]->non_unique)
1489 continue;
1490 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->file);
1491 FreePool(config->entries[i]->title_show);
1492 config->entries[i]->title_show = s;
1493 config->entries[i]->non_unique = FALSE;
1494 }
1495 }
1496
1497 static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (*call)(VOID)) {
1498 ConfigEntry *entry;
1499
1500 entry = AllocateZeroPool(sizeof(ConfigEntry));
1501 entry->title = StrDuplicate(title);
1502 entry->call = call;
1503 entry->no_autoselect = TRUE;
1504 config_add_entry(config, entry);
1505 return TRUE;
1506 }
1507
1508 static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device,
1509 enum loader_type type,CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1510 ConfigEntry *entry;
1511
1512 entry = AllocateZeroPool(sizeof(ConfigEntry));
1513 entry->type = type;
1514 entry->title = StrDuplicate(title);
1515 entry->device = device;
1516 entry->loader = StrDuplicate(loader);
1517 entry->file = StrDuplicate(file);
1518 StrLwr(entry->file);
1519 entry->key = key;
1520 config_add_entry(config, entry);
1521
1522 return entry;
1523 }
1524
1525 static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
1526 CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1527 EFI_FILE_HANDLE handle;
1528 ConfigEntry *entry;
1529 EFI_STATUS err;
1530
1531 /* do not add an entry for ourselves */
1532 if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
1533 return FALSE;
1534
1535 /* check existence */
1536 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL);
1537 if (EFI_ERROR(err))
1538 return FALSE;
1539 uefi_call_wrapper(handle->Close, 1, handle);
1540
1541 entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, file, key, title, loader);
1542 if (!entry)
1543 return FALSE;
1544
1545 /* do not boot right away into auto-detected entries */
1546 entry->no_autoselect = TRUE;
1547
1548 /* export identifiers of automatically added entries */
1549 if (config->entries_auto) {
1550 CHAR16 *s;
1551
1552 s = PoolPrint(L"%s %s", config->entries_auto, file);
1553 FreePool(config->entries_auto);
1554 config->entries_auto = s;
1555 } else
1556 config->entries_auto = StrDuplicate(file);
1557
1558 return TRUE;
1559 }
1560
1561 static VOID config_entry_add_osx(Config *config) {
1562 EFI_STATUS err;
1563 UINTN handle_count = 0;
1564 EFI_HANDLE *handles = NULL;
1565
1566 err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles);
1567 if (!EFI_ERROR(err)) {
1568 UINTN i;
1569
1570 for (i = 0; i < handle_count; i++) {
1571 EFI_FILE *root;
1572 BOOLEAN found;
1573
1574 root = LibOpenRoot(handles[i]);
1575 if (!root)
1576 continue;
1577 found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"OS X",
1578 L"\\System\\Library\\CoreServices\\boot.efi");
1579 uefi_call_wrapper(root->Close, 1, root);
1580 if (found)
1581 break;
1582 }
1583
1584 FreePool(handles);
1585 }
1586 }
1587
1588 static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
1589 EFI_FILE_HANDLE linux_dir;
1590 EFI_STATUS err;
1591
1592 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
1593 if (!EFI_ERROR(err)) {
1594 for (;;) {
1595 CHAR16 buf[256];
1596 UINTN bufsize;
1597 EFI_FILE_INFO *f;
1598 CHAR8 *sections[] = {
1599 (UINT8 *)".osrel",
1600 NULL
1601 };
1602 UINTN offs[ELEMENTSOF(sections)-1] = {};
1603 UINTN szs[ELEMENTSOF(sections)-1] = {};
1604 UINTN addrs[ELEMENTSOF(sections)-1] = {};
1605 CHAR8 *content = NULL;
1606 UINTN len;
1607 CHAR8 *line;
1608 UINTN pos = 0;
1609 CHAR8 *key, *value;
1610 CHAR16 *os_name = NULL;
1611 CHAR16 *os_id = NULL;
1612 CHAR16 *os_version = NULL;
1613
1614 bufsize = sizeof(buf);
1615 err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
1616 if (bufsize == 0 || EFI_ERROR(err))
1617 break;
1618
1619 f = (EFI_FILE_INFO *) buf;
1620 if (f->FileName[0] == '.')
1621 continue;
1622 if (f->Attribute & EFI_FILE_DIRECTORY)
1623 continue;
1624 len = StrLen(f->FileName);
1625 if (len < 5)
1626 continue;
1627 if (StriCmp(f->FileName + len - 4, L".efi") != 0)
1628 continue;
1629
1630 /* look for an .osrel section in the .efi binary */
1631 err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
1632 if (EFI_ERROR(err))
1633 continue;
1634
1635 len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
1636 if (len <= 0)
1637 continue;
1638
1639 /* read properties from the embedded os-release file */
1640 line = content;
1641 while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
1642 if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
1643 os_name = stra_to_str(value);
1644 continue;
1645 }
1646
1647 if (strcmpa((CHAR8 *)"ID", key) == 0) {
1648 os_id = stra_to_str(value);
1649 continue;
1650 }
1651
1652 if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
1653 os_version = stra_to_str(value);
1654 continue;
1655 }
1656 }
1657
1658 if (os_name && os_id && os_version) {
1659 CHAR16 *conf;
1660 CHAR16 *path;
1661
1662 conf = PoolPrint(L"%s-%s", os_id, os_version);
1663 path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
1664 config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
1665 FreePool(conf);
1666 FreePool(path);
1667 FreePool(os_name);
1668 FreePool(os_id);
1669 FreePool(os_version);
1670 }
1671
1672 FreePool(content);
1673 }
1674 uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
1675 }
1676 }
1677
1678 static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
1679 EFI_HANDLE image;
1680 EFI_DEVICE_PATH *path;
1681 CHAR16 *options;
1682 EFI_STATUS err;
1683
1684 path = FileDevicePath(entry->device, entry->loader);
1685 if (!path) {
1686 Print(L"Error getting device path.");
1687 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1688 return EFI_INVALID_PARAMETER;
1689 }
1690
1691 err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image);
1692 if (EFI_ERROR(err)) {
1693 Print(L"Error loading %s: %r", entry->loader, err);
1694 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1695 goto out;
1696 }
1697
1698 if (config->options_edit)
1699 options = config->options_edit;
1700 else if (entry->options)
1701 options = entry->options;
1702 else
1703 options = NULL;
1704 if (options) {
1705 EFI_LOADED_IMAGE *loaded_image;
1706
1707 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1708 parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1709 if (EFI_ERROR(err)) {
1710 Print(L"Error getting LoadedImageProtocol handle: %r", err);
1711 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1712 goto out_unload;
1713 }
1714 loaded_image->LoadOptions = options;
1715 loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16);
1716 }
1717
1718 efivar_set_time_usec(L"LoaderTimeExecUSec", 0);
1719 err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL);
1720 out_unload:
1721 uefi_call_wrapper(BS->UnloadImage, 1, image);
1722 out:
1723 FreePool(path);
1724 return err;
1725 }
1726
1727 static EFI_STATUS reboot_into_firmware(VOID) {
1728 CHAR8 *b;
1729 UINTN size;
1730 UINT64 osind;
1731 EFI_STATUS err;
1732
1733 osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
1734
1735 err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size);
1736 if (!EFI_ERROR(err))
1737 osind |= (UINT64)*b;
1738 FreePool(b);
1739
1740 err = efivar_set_raw(&global_guid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
1741 if (EFI_ERROR(err))
1742 return err;
1743
1744 err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL);
1745 Print(L"Error calling ResetSystem: %r", err);
1746 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1747 return err;
1748 }
1749
1750 static VOID config_free(Config *config) {
1751 UINTN i;
1752
1753 for (i = 0; i < config->entry_count; i++)
1754 config_entry_free(config->entries[i]);
1755 FreePool(config->entries);
1756 FreePool(config->entry_default_pattern);
1757 FreePool(config->options_edit);
1758 FreePool(config->entry_oneshot);
1759 FreePool(config->entries_auto);
1760 }
1761
1762 EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
1763 CHAR16 *s;
1764 CHAR8 *b;
1765 UINTN size;
1766 EFI_LOADED_IMAGE *loaded_image;
1767 EFI_FILE *root_dir;
1768 CHAR16 *loaded_image_path;
1769 EFI_DEVICE_PATH *device_path;
1770 EFI_STATUS err;
1771 Config config;
1772 UINT64 init_usec;
1773 BOOLEAN menu = FALSE;
1774
1775 InitializeLib(image, sys_table);
1776 init_usec = time_usec();
1777 efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec);
1778 efivar_set(L"LoaderInfo", L"systemd-boot " VERSION, FALSE);
1779 s = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
1780 efivar_set(L"LoaderFirmwareInfo", s, FALSE);
1781 FreePool(s);
1782 s = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
1783 efivar_set(L"LoaderFirmwareType", s, FALSE);
1784 FreePool(s);
1785
1786 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1787 image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1788 if (EFI_ERROR(err)) {
1789 Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
1790 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1791 return err;
1792 }
1793
1794 /* export the device path this image is started from */
1795 device_path = DevicePathFromHandle(loaded_image->DeviceHandle);
1796 if (device_path) {
1797 CHAR16 *str;
1798 EFI_DEVICE_PATH *path, *paths;
1799
1800 str = DevicePathToStr(device_path);
1801 efivar_set(L"LoaderDeviceIdentifier", str, FALSE);
1802 FreePool(str);
1803
1804 paths = UnpackDevicePath(device_path);
1805 for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) {
1806 HARDDRIVE_DEVICE_PATH *drive;
1807 CHAR16 uuid[37];
1808
1809 if (DevicePathType(path) != MEDIA_DEVICE_PATH)
1810 continue;
1811 if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP)
1812 continue;
1813 drive = (HARDDRIVE_DEVICE_PATH *)path;
1814 if (drive->SignatureType != SIGNATURE_TYPE_GUID)
1815 continue;
1816
1817 GuidToString(uuid, (EFI_GUID *)&drive->Signature);
1818 efivar_set(L"LoaderDevicePartUUID", uuid, FALSE);
1819 break;
1820 }
1821 FreePool(paths);
1822 }
1823
1824 root_dir = LibOpenRoot(loaded_image->DeviceHandle);
1825 if (!root_dir) {
1826 Print(L"Unable to open root directory: %r ", err);
1827 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1828 return EFI_LOAD_ERROR;
1829 }
1830
1831
1832 /* the filesystem path to this image, to prevent adding ourselves to the menu */
1833 loaded_image_path = DevicePathToStr(loaded_image->FilePath);
1834 efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
1835
1836 /* scan "\loader\entries\*.conf" files */
1837 ZeroMem(&config, sizeof(Config));
1838 config_load(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path);
1839
1840 /* if we find some well-known loaders, add them to the end of the list */
1841 config_entry_add_linux(&config, loaded_image, root_dir);
1842 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1843 L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
1844 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1845 L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi");
1846 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1847 L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi");
1848 config_entry_add_osx(&config);
1849 efivar_set(L"LoaderEntriesAuto", config.entries_auto, FALSE);
1850
1851 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
1852 UINT64 osind = (UINT64)*b;
1853
1854 if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI)
1855 config_entry_add_call(&config, L"Reboot Into Firmware Interface", reboot_into_firmware);
1856 FreePool(b);
1857 }
1858
1859 if (config.entry_count == 0) {
1860 Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed.");
1861 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1862 goto out;
1863 }
1864
1865 config_title_generate(&config);
1866
1867 /* select entry by configured pattern or EFI LoaderDefaultEntry= variable*/
1868 config_default_entry_select(&config);
1869
1870 /* if no configured entry to select from was found, enable the menu */
1871 if (config.idx_default == -1) {
1872 config.idx_default = 0;
1873 if (config.timeout_sec == 0)
1874 config.timeout_sec = 10;
1875 }
1876
1877 /* select entry or show menu when key is pressed or timeout is set */
1878 if (config.timeout_sec == 0) {
1879 UINT64 key;
1880
1881 err = console_key_read(&key, FALSE);
1882 if (!EFI_ERROR(err)) {
1883 INT16 idx;
1884
1885 /* find matching key in config entries */
1886 idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key));
1887 if (idx >= 0)
1888 config.idx_default = idx;
1889 else
1890 menu = TRUE;
1891 }
1892 } else
1893 menu = TRUE;
1894
1895 for (;;) {
1896 ConfigEntry *entry;
1897
1898 entry = config.entries[config.idx_default];
1899 if (menu) {
1900 efivar_set_time_usec(L"LoaderTimeMenuUSec", 0);
1901 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL);
1902 if (!menu_run(&config, &entry, root_dir, loaded_image_path))
1903 break;
1904
1905 /* run special entry like "reboot" */
1906 if (entry->call) {
1907 entry->call();
1908 continue;
1909 }
1910 } else if (entry->splash) {
1911 UINT8 *content = NULL;
1912 INTN len;
1913
1914 len = file_read(root_dir, entry->splash, 0, 0, &content);
1915 if (len > 0)
1916 graphics_splash(content, len, NULL);
1917
1918 FreePool(content);
1919 }
1920
1921 /* export the selected boot entry to the system */
1922 efivar_set(L"LoaderEntrySelected", entry->file, FALSE);
1923
1924 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL);
1925 err = image_start(image, &config, entry);
1926 if (EFI_ERROR(err)) {
1927 graphics_mode(FALSE);
1928 Print(L"\nFailed to execute %s (%s): %r\n", entry->title, entry->loader, err);
1929 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1930 goto out;
1931 }
1932
1933 menu = TRUE;
1934 config.timeout_sec = 0;
1935 }
1936 err = EFI_SUCCESS;
1937 out:
1938 FreePool(loaded_image_path);
1939 config_free(&config);
1940 uefi_call_wrapper(root_dir->Close, 1, root_dir);
1941 uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL);
1942 return err;
1943 }
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