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build-sys: use #if Y instead of #ifdef Y everywhere
[thirdparty/systemd.git] / src / boot / efi / boot.c
CommitLineData
0fa2cac4
KS		 1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU Lesser General Public License as published by
4 * the Free Software Foundation; either version 2.1 of the License, or
5 * (at your option) any later version.
6 *
7 * This program is distributed in the hope that it will be useful, but
8 * WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * Lesser General Public License for more details.
11 *
12 * Copyright (C) 2012-2015 Kay Sievers <kay@vrfy.org>
13 * Copyright (C) 2012-2015 Harald Hoyer <harald@redhat.com>
14 */
15
16#include <efi.h>
17#include <efilib.h>
18
0fa2cac4 19#include "console.h"
8110e144 20#include "disk.h"
cf0fbc49 21#include "graphics.h"
0fa2cac4 22#include "linux.h"
92ed3bb4 23#include "measure.h"
d4cbada2 24#include "pe.h"
b2bb40ce 25#include "shim.h"
d4cbada2 26#include "util.h"
0fa2cac4
KS		 27
28#ifndef EFI_OS_INDICATIONS_BOOT_TO_FW_UI
29#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001ULL
30#endif
31
32/* magic string to find in the binary image */
948aaa7c 33static const char __attribute__((used)) magic[] = "#### LoaderInfo: systemd-boot " PACKAGE_VERSION " ####";
0fa2cac4
KS		 34
35static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
36
37enum loader_type {
38 LOADER_UNDEFINED,
39 LOADER_EFI,
40 LOADER_LINUX
41};
42
43typedef struct {
44 CHAR16 *file;
45 CHAR16 *title_show;
46 CHAR16 *title;
47 CHAR16 *version;
48 CHAR16 *machine_id;
49 EFI_HANDLE *device;
50 enum loader_type type;
51 CHAR16 *loader;
52 CHAR16 *options;
0fa2cac4
KS		 53 CHAR16 key;
54 EFI_STATUS (*call)(VOID);
55 BOOLEAN no_autoselect;
56 BOOLEAN non_unique;
57} ConfigEntry;
58
59typedef 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;
0fa2cac4
KS		 68 CHAR16 *entry_oneshot;
69 CHAR16 *options_edit;
4db7e6d7 70 BOOLEAN no_editor;
0fa2cac4
KS		 71} Config;
72
52efd56a 73static VOID cursor_left(UINTN *cursor, UINTN *first) {
0fa2cac4
KS		 74 if ((*cursor) > 0)
75 (*cursor)--;
76 else if ((*first) > 0)
77 (*first)--;
78}
79
52efd56a 80static VOID cursor_right(UINTN *cursor, UINTN *first, UINTN x_max, UINTN len) {
0fa2cac4
KS		 81 if ((*cursor)+1 < x_max)
82 (*cursor)++;
83 else if ((*first) + (*cursor) < len)
84 (*first)++;
85}
86
87static BOOLEAN line_edit(CHAR16 *line_in, CHAR16 **line_out, UINTN x_max, UINTN y_pos) {
88 CHAR16 *line;
89 UINTN size;
90 UINTN len;
91 UINTN first;
92 CHAR16 *print;
93 UINTN cursor;
94 UINTN clear;
95 BOOLEAN exit;
96 BOOLEAN enter;
97
98 if (!line_in)
99 line_in = L"";
100 size = StrLen(line_in) + 1024;
101 line = AllocatePool(size * sizeof(CHAR16));
102 StrCpy(line, line_in);
103 len = StrLen(line);
104 print = AllocatePool((x_max+1) * sizeof(CHAR16));
105
106 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, TRUE);
107
108 first = 0;
109 cursor = 0;
110 clear = 0;
111 enter = FALSE;
112 exit = FALSE;
113 while (!exit) {
114 EFI_STATUS err;
115 UINT64 key;
116 UINTN i;
117
118 i = len - first;
119 if (i >= x_max-1)
120 i = x_max-1;
121 CopyMem(print, line + first, i * sizeof(CHAR16));
122 while (clear > 0 && i < x_max-1) {
123 clear--;
124 print[i++] = ' ';
125 }
126 print[i] = '\0';
127
128 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_pos);
129 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, print);
130 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
131
132 err = console_key_read(&key, TRUE);
133 if (EFI_ERROR(err))
134 continue;
135
136 switch (key) {
137 case KEYPRESS(0, SCAN_ESC, 0):
138 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'c'):
139 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'g'):
140 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('c')):
141 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('g')):
142 exit = TRUE;
143 break;
144
145 case KEYPRESS(0, SCAN_HOME, 0):
146 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'a'):
147 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('a')):
148 /* beginning-of-line */
149 cursor = 0;
150 first = 0;
151 continue;
152
153 case KEYPRESS(0, SCAN_END, 0):
154 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'e'):
155 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('e')):
156 /* end-of-line */
157 cursor = len - first;
158 if (cursor+1 >= x_max) {
159 cursor = x_max-1;
160 first = len - (x_max-1);
161 }
162 continue;
163
164 case KEYPRESS(0, SCAN_DOWN, 0):
165 case KEYPRESS(EFI_ALT_PRESSED, 0, 'f'):
166 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_RIGHT, 0):
167 /* forward-word */
168 while (line[first + cursor] && line[first + cursor] == ' ')
169 cursor_right(&cursor, &first, x_max, len);
170 while (line[first + cursor] && line[first + cursor] != ' ')
171 cursor_right(&cursor, &first, x_max, len);
172 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
173 continue;
174
175 case KEYPRESS(0, SCAN_UP, 0):
176 case KEYPRESS(EFI_ALT_PRESSED, 0, 'b'):
177 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_LEFT, 0):
178 /* backward-word */
179 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
180 cursor_left(&cursor, &first);
181 while ((first + cursor) > 0 && line[first + cursor] == ' ')
182 cursor_left(&cursor, &first);
183 }
184 while ((first + cursor) > 0 && line[first + cursor-1] != ' ')
185 cursor_left(&cursor, &first);
186 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
187 continue;
188
189 case KEYPRESS(0, SCAN_RIGHT, 0):
190 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'f'):
191 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('f')):
192 /* forward-char */
193 if (first + cursor == len)
194 continue;
195 cursor_right(&cursor, &first, x_max, len);
196 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
197 continue;
198
199 case KEYPRESS(0, SCAN_LEFT, 0):
200 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'b'):
201 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('b')):
202 /* backward-char */
203 cursor_left(&cursor, &first);
204 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
205 continue;
206
207 case KEYPRESS(EFI_ALT_PRESSED, 0, 'd'):
208 /* kill-word */
209 clear = 0;
210 for (i = first + cursor; i < len && line[i] == ' '; i++)
211 clear++;
212 for (; i < len && line[i] != ' '; i++)
213 clear++;
214
215 for (i = first + cursor; i + clear < len; i++)
216 line[i] = line[i + clear];
217 len -= clear;
218 line[len] = '\0';
219 continue;
220
221 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'w'):
222 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('w')):
223 case KEYPRESS(EFI_ALT_PRESSED, 0, CHAR_BACKSPACE):
224 /* backward-kill-word */
225 clear = 0;
226 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
227 cursor_left(&cursor, &first);
228 clear++;
229 while ((first + cursor) > 0 && line[first + cursor] == ' ') {
230 cursor_left(&cursor, &first);
231 clear++;
232 }
233 }
234 while ((first + cursor) > 0 && line[first + cursor-1] != ' ') {
235 cursor_left(&cursor, &first);
236 clear++;
237 }
238 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
239
240 for (i = first + cursor; i + clear < len; i++)
241 line[i] = line[i + clear];
242 len -= clear;
243 line[len] = '\0';
244 continue;
245
246 case KEYPRESS(0, SCAN_DELETE, 0):
247 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'd'):
248 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('d')):
249 if (len == 0)
250 continue;
251 if (first + cursor == len)
252 continue;
253 for (i = first + cursor; i < len; i++)
254 line[i] = line[i+1];
255 clear = 1;
256 len--;
257 continue;
258
259 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'k'):
260 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('k')):
261 /* kill-line */
262 line[first + cursor] = '\0';
263 clear = len - (first + cursor);
264 len = first + cursor;
265 continue;
266
267 case KEYPRESS(0, 0, CHAR_LINEFEED):
268 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
269 if (StrCmp(line, line_in) != 0) {
270 *line_out = line;
271 line = NULL;
272 }
273 enter = TRUE;
274 exit = TRUE;
275 break;
276
277 case KEYPRESS(0, 0, CHAR_BACKSPACE):
278 if (len == 0)
279 continue;
280 if (first == 0 && cursor == 0)
281 continue;
282 for (i = first + cursor-1; i < len; i++)
283 line[i] = line[i+1];
284 clear = 1;
285 len--;
286 if (cursor > 0)
287 cursor--;
288 if (cursor > 0 || first == 0)
289 continue;
290 /* show full line if it fits */
291 if (len < x_max) {
292 cursor = first;
293 first = 0;
294 continue;
295 }
296 /* jump left to see what we delete */
297 if (first > 10) {
298 first -= 10;
299 cursor = 10;
300 } else {
301 cursor = first;
302 first = 0;
303 }
304 continue;
305
306 case KEYPRESS(0, 0, ' ') ... KEYPRESS(0, 0, '~'):
307 case KEYPRESS(0, 0, 0x80) ... KEYPRESS(0, 0, 0xffff):
308 if (len+1 == size)
309 continue;
310 for (i = len; i > first + cursor; i--)
311 line[i] = line[i-1];
312 line[first + cursor] = KEYCHAR(key);
313 len++;
314 line[len] = '\0';
315 if (cursor+1 < x_max)
316 cursor++;
317 else if (first + cursor < len)
318 first++;
319 continue;
320 }
321 }
322
323 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
324 FreePool(print);
325 FreePool(line);
326 return enter;
327}
328
329static UINTN entry_lookup_key(Config *config, UINTN start, CHAR16 key) {
330 UINTN i;
331
332 if (key == 0)
333 return -1;
334
335 /* select entry by number key */
336 if (key >= '1' && key <= '9') {
337 i = key - '0';
338 if (i > config->entry_count)
339 i = config->entry_count;
340 return i-1;
341 }
342
343 /* find matching key in config entries */
344 for (i = start; i < config->entry_count; i++)
345 if (config->entries[i]->key == key)
346 return i;
347
348 for (i = 0; i < start; i++)
349 if (config->entries[i]->key == key)
350 return i;
351
352 return -1;
353}
354
7361099e 355static VOID print_status(Config *config, CHAR16 *loaded_image_path) {
0fa2cac4
KS		 356 UINT64 key;
357 UINTN i;
358 CHAR16 *s;
359 CHAR8 *b;
360 UINTN x;
361 UINTN y;
362 UINTN size;
0fa2cac4
KS		 363
364 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
365 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
366
948aaa7c 367 Print(L"systemd-boot version: " PACKAGE_VERSION "\n");
0fa2cac4
KS		 368 Print(L"architecture: " EFI_MACHINE_TYPE_NAME "\n");
369 Print(L"loaded image: %s\n", loaded_image_path);
370 Print(L"UEFI specification: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
371 Print(L"firmware vendor: %s\n", ST->FirmwareVendor);
372 Print(L"firmware version: %d.%02d\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
373
374 if (uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x, &y) == EFI_SUCCESS)
375 Print(L"console size: %d x %d\n", x, y);
376
377 if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
4db7e6d7 378 Print(L"SecureBoot: %s\n", yes_no(*b > 0));
0fa2cac4
KS		 379 FreePool(b);
380 }
381
382 if (efivar_get_raw(&global_guid, L"SetupMode", &b, &size) == EFI_SUCCESS) {
383 Print(L"SetupMode: %s\n", *b > 0 ? L"setup" : L"user");
384 FreePool(b);
385 }
386
b2bb40ce
MR		 387 if (shim_loaded())
388 Print(L"Shim: present\n");
389
0fa2cac4
KS		 390 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
391 Print(L"OsIndicationsSupported: %d\n", (UINT64)*b);
392 FreePool(b);
393 }
394 Print(L"\n");
395
396 Print(L"timeout: %d\n", config->timeout_sec);
397 if (config->timeout_sec_efivar >= 0)
398 Print(L"timeout (EFI var): %d\n", config->timeout_sec_efivar);
399 Print(L"timeout (config): %d\n", config->timeout_sec_config);
400 if (config->entry_default_pattern)
401 Print(L"default pattern: '%s'\n", config->entry_default_pattern);
4db7e6d7 402 Print(L"editor: %s\n", yes_no(!config->no_editor));
0fa2cac4
KS		 403 Print(L"\n");
404
405 Print(L"config entry count: %d\n", config->entry_count);
406 Print(L"entry selected idx: %d\n", config->idx_default);
407 if (config->idx_default_efivar >= 0)
408 Print(L"entry EFI var idx: %d\n", config->idx_default_efivar);
409 Print(L"\n");
410
411 if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS)
412 Print(L"LoaderConfigTimeout: %d\n", i);
413 if (config->entry_oneshot)
414 Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot);
0fa2cac4
KS		 415 if (efivar_get(L"LoaderDevicePartUUID", &s) == EFI_SUCCESS) {
416 Print(L"LoaderDevicePartUUID: %s\n", s);
417 FreePool(s);
418 }
419 if (efivar_get(L"LoaderEntryDefault", &s) == EFI_SUCCESS) {
420 Print(L"LoaderEntryDefault: %s\n", s);
421 FreePool(s);
422 }
423
424 Print(L"\n--- press key ---\n\n");
425 console_key_read(&key, TRUE);
426
427 for (i = 0; i < config->entry_count; i++) {
428 ConfigEntry *entry;
429
430 if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q'))
431 break;
432
433 entry = config->entries[i];
0fa2cac4
KS		 434 Print(L"config entry: %d/%d\n", i+1, config->entry_count);
435 if (entry->file)
436 Print(L"file '%s'\n", entry->file);
437 Print(L"title show '%s'\n", entry->title_show);
438 if (entry->title)
439 Print(L"title '%s'\n", entry->title);
440 if (entry->version)
441 Print(L"version '%s'\n", entry->version);
442 if (entry->machine_id)
443 Print(L"machine-id '%s'\n", entry->machine_id);
444 if (entry->device) {
445 EFI_DEVICE_PATH *device_path;
446 CHAR16 *str;
447
448 device_path = DevicePathFromHandle(entry->device);
449 if (device_path) {
450 str = DevicePathToStr(device_path);
451 Print(L"device handle '%s'\n", str);
452 FreePool(str);
453 }
454 }
455 if (entry->loader)
456 Print(L"loader '%s'\n", entry->loader);
457 if (entry->options)
458 Print(L"options '%s'\n", entry->options);
4db7e6d7 459 Print(L"auto-select %s\n", yes_no(!entry->no_autoselect));
0fa2cac4
KS		 460 if (entry->call)
461 Print(L"internal call yes\n");
462
463 Print(L"\n--- press key ---\n\n");
464 console_key_read(&key, TRUE);
465 }
466
467 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
468}
469
7361099e 470static BOOLEAN menu_run(Config *config, ConfigEntry **chosen_entry, CHAR16 *loaded_image_path) {
0fa2cac4
KS		 471 EFI_STATUS err;
472 UINTN visible_max;
473 UINTN idx_highlight;
474 UINTN idx_highlight_prev;
475 UINTN idx_first;
476 UINTN idx_last;
477 BOOLEAN refresh;
478 BOOLEAN highlight;
479 UINTN i;
480 UINTN line_width;
481 CHAR16 **lines;
482 UINTN x_start;
483 UINTN y_start;
484 UINTN x_max;
485 UINTN y_max;
486 CHAR16 *status;
487 CHAR16 *clearline;
488 INTN timeout_remain;
489 INT16 idx;
490 BOOLEAN exit = FALSE;
491 BOOLEAN run = TRUE;
492 BOOLEAN wait = FALSE;
493
494 graphics_mode(FALSE);
495 uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE);
496 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
497 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
498
499 /* draw a single character to make ClearScreen work on some firmware */
500 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" ");
501 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
502
503 err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max);
504 if (EFI_ERROR(err)) {
505 x_max = 80;
506 y_max = 25;
507 }
508
509 /* we check 10 times per second for a keystroke */
510 if (config->timeout_sec > 0)
511 timeout_remain = config->timeout_sec * 10;
512 else
513 timeout_remain = -1;
514
515 idx_highlight = config->idx_default;
516 idx_highlight_prev = 0;
517
518 visible_max = y_max - 2;
519
520 if ((UINTN)config->idx_default >= visible_max)
521 idx_first = config->idx_default-1;
522 else
523 idx_first = 0;
524
525 idx_last = idx_first + visible_max-1;
526
527 refresh = TRUE;
528 highlight = FALSE;
529
530 /* length of the longest entry */
531 line_width = 5;
532 for (i = 0; i < config->entry_count; i++) {
533 UINTN entry_len;
534
535 entry_len = StrLen(config->entries[i]->title_show);
536 if (line_width < entry_len)
537 line_width = entry_len;
538 }
539 if (line_width > x_max-6)
540 line_width = x_max-6;
541
542 /* offsets to center the entries on the screen */
543 x_start = (x_max - (line_width)) / 2;
544 if (config->entry_count < visible_max)
545 y_start = ((visible_max - config->entry_count) / 2) + 1;
546 else
547 y_start = 0;
548
549 /* menu entries title lines */
550 lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count);
551 for (i = 0; i < config->entry_count; i++) {
552 UINTN j, k;
553
554 lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16)));
555 for (j = 0; j < x_start; j++)
556 lines[i][j] = ' ';
557
558 for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++)
559 lines[i][j] = config->entries[i]->title_show[k];
560
561 for (; j < x_max; j++)
562 lines[i][j] = ' ';
563 lines[i][x_max] = '\0';
564 }
565
566 status = NULL;
567 clearline = AllocatePool((x_max+1) * sizeof(CHAR16));
568 for (i = 0; i < x_max; i++)
569 clearline[i] = ' ';
570 clearline[i] = 0;
571
572 while (!exit) {
573 UINT64 key;
574
575 if (refresh) {
576 for (i = 0; i < config->entry_count; i++) {
577 if (i < idx_first || i > idx_last)
578 continue;
579 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first);
580 if (i == idx_highlight)
581 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
582 EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
583 else
584 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
585 EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
586 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]);
587 if ((INTN)i == config->idx_default_efivar) {
588 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first);
589 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
590 }
591 }
592 refresh = FALSE;
593 } else if (highlight) {
594 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first);
595 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
596 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]);
597 if ((INTN)idx_highlight_prev == config->idx_default_efivar) {
598 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first);
599 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
600 }
601
602 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first);
603 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
604 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]);
605 if ((INTN)idx_highlight == config->idx_default_efivar) {
606 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first);
607 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
608 }
609 highlight = FALSE;
610 }
611
612 if (timeout_remain > 0) {
613 FreePool(status);
614 status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10);
615 }
616
617 /* print status at last line of screen */
618 if (status) {
619 UINTN len;
620 UINTN x;
621
622 /* center line */
623 len = StrLen(status);
624 if (len < x_max)
625 x = (x_max - len) / 2;
626 else
627 x = 0;
628 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
629 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
630 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x));
631 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status);
632 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len);
633 }
634
635 err = console_key_read(&key, wait);
636 if (EFI_ERROR(err)) {
637 /* timeout reached */
638 if (timeout_remain == 0) {
639 exit = TRUE;
640 break;
641 }
642
643 /* sleep and update status */
644 if (timeout_remain > 0) {
645 uefi_call_wrapper(BS->Stall, 1, 100 * 1000);
646 timeout_remain--;
647 continue;
648 }
649
650 /* timeout disabled, wait for next key */
651 wait = TRUE;
652 continue;
653 }
654
655 timeout_remain = -1;
656
657 /* clear status after keystroke */
658 if (status) {
659 FreePool(status);
660 status = NULL;
661 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
662 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
663 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
664 }
665
666 idx_highlight_prev = idx_highlight;
667
668 switch (key) {
669 case KEYPRESS(0, SCAN_UP, 0):
670 case KEYPRESS(0, 0, 'k'):
671 if (idx_highlight > 0)
672 idx_highlight--;
673 break;
674
675 case KEYPRESS(0, SCAN_DOWN, 0):
676 case KEYPRESS(0, 0, 'j'):
677 if (idx_highlight < config->entry_count-1)
678 idx_highlight++;
679 break;
680
681 case KEYPRESS(0, SCAN_HOME, 0):
682 case KEYPRESS(EFI_ALT_PRESSED, 0, '<'):
683 if (idx_highlight > 0) {
684 refresh = TRUE;
685 idx_highlight = 0;
686 }
687 break;
688
689 case KEYPRESS(0, SCAN_END, 0):
690 case KEYPRESS(EFI_ALT_PRESSED, 0, '>'):
691 if (idx_highlight < config->entry_count-1) {
692 refresh = TRUE;
693 idx_highlight = config->entry_count-1;
694 }
695 break;
696
697 case KEYPRESS(0, SCAN_PAGE_UP, 0):
698 if (idx_highlight > visible_max)
699 idx_highlight -= visible_max;
700 else
701 idx_highlight = 0;
702 break;
703
704 case KEYPRESS(0, SCAN_PAGE_DOWN, 0):
705 idx_highlight += visible_max;
706 if (idx_highlight > config->entry_count-1)
707 idx_highlight = config->entry_count-1;
708 break;
709
710 case KEYPRESS(0, 0, CHAR_LINEFEED):
711 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
712 exit = TRUE;
713 break;
714
715 case KEYPRESS(0, SCAN_F1, 0):
716 case KEYPRESS(0, 0, 'h'):
717 case KEYPRESS(0, 0, '?'):
718 status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp");
719 break;
720
721 case KEYPRESS(0, 0, 'Q'):
722 exit = TRUE;
723 run = FALSE;
724 break;
725
726 case KEYPRESS(0, 0, 'd'):
727 if (config->idx_default_efivar != (INTN)idx_highlight) {
728 /* store the selected entry in a persistent EFI variable */
729 efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->file, TRUE);
730 config->idx_default_efivar = idx_highlight;
731 status = StrDuplicate(L"Default boot entry selected.");
732 } else {
733 /* clear the default entry EFI variable */
734 efivar_set(L"LoaderEntryDefault", NULL, TRUE);
735 config->idx_default_efivar = -1;
736 status = StrDuplicate(L"Default boot entry cleared.");
737 }
738 refresh = TRUE;
739 break;
740
741 case KEYPRESS(0, 0, '-'):
742 case KEYPRESS(0, 0, 'T'):
743 if (config->timeout_sec_efivar > 0) {
744 config->timeout_sec_efivar--;
745 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
746 if (config->timeout_sec_efivar > 0)
747 status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar);
748 else
749 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
750 } else if (config->timeout_sec_efivar <= 0){
751 config->timeout_sec_efivar = -1;
752 efivar_set(L"LoaderConfigTimeout", NULL, TRUE);
753 if (config->timeout_sec_config > 0)
754 status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.",
755 config->timeout_sec_config);
756 else
757 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
758 }
759 break;
760
761 case KEYPRESS(0, 0, '+'):
762 case KEYPRESS(0, 0, 't'):
763 if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0)
764 config->timeout_sec_efivar++;
765 config->timeout_sec_efivar++;
766 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
767 if (config->timeout_sec_efivar > 0)
768 status = PoolPrint(L"Menu timeout set to %d sec.",
769 config->timeout_sec_efivar);
770 else
771 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
772 break;
773
774 case KEYPRESS(0, 0, 'e'):
775 /* only the options of configured entries can be edited */
4db7e6d7 776 if (config->no_editor || config->entries[idx_highlight]->type == LOADER_UNDEFINED)
0fa2cac4
KS		 777 break;
778 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
779 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
780 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
781 if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1))
782 exit = TRUE;
783 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
784 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
785 break;
786
787 case KEYPRESS(0, 0, 'v'):
948aaa7c 788 status = PoolPrint(L"systemd-boot " PACKAGE_VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d",
0fa2cac4
KS		 789 ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff,
790 ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
791 break;
792
793 case KEYPRESS(0, 0, 'P'):
7361099e 794 print_status(config, loaded_image_path);
0fa2cac4
KS		 795 refresh = TRUE;
796 break;
797
798 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'):
799 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')):
800 refresh = TRUE;
801 break;
802
803 default:
804 /* jump with a hotkey directly to a matching entry */
805 idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key));
806 if (idx < 0)
807 break;
808 idx_highlight = idx;
809 refresh = TRUE;
810 }
811
812 if (idx_highlight > idx_last) {
813 idx_last = idx_highlight;
814 idx_first = 1 + idx_highlight - visible_max;
815 refresh = TRUE;
56c70b32 816 } else if (idx_highlight < idx_first) {
0fa2cac4
KS		 817 idx_first = idx_highlight;
818 idx_last = idx_highlight + visible_max-1;
819 refresh = TRUE;
820 }
821
0fa2cac4
KS		 822 if (!refresh && idx_highlight != idx_highlight_prev)
823 highlight = TRUE;
824 }
825
826 *chosen_entry = config->entries[idx_highlight];
827
828 for (i = 0; i < config->entry_count; i++)
829 FreePool(lines[i]);
830 FreePool(lines);
831 FreePool(clearline);
832
833 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK);
834 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
835 return run;
836}
837
838static VOID config_add_entry(Config *config, ConfigEntry *entry) {
839 if ((config->entry_count & 15) == 0) {
840 UINTN i;
841
842 i = config->entry_count + 16;
843 if (config->entry_count == 0)
844 config->entries = AllocatePool(sizeof(VOID *) * i);
845 else
846 config->entries = ReallocatePool(config->entries,
847 sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i);
848 }
849 config->entries[config->entry_count++] = entry;
850}
851
852static VOID config_entry_free(ConfigEntry *entry) {
853 FreePool(entry->title_show);
854 FreePool(entry->title);
855 FreePool(entry->machine_id);
856 FreePool(entry->loader);
857 FreePool(entry->options);
858}
859
52efd56a 860static BOOLEAN is_digit(CHAR16 c) {
0fa2cac4
KS		 861 return (c >= '0') && (c <= '9');
862}
863
52efd56a 864static UINTN c_order(CHAR16 c) {
0fa2cac4
KS		 865 if (c == '\0')
866 return 0;
867 if (is_digit(c))
868 return 0;
869 else if ((c >= 'a') && (c <= 'z'))
870 return c;
871 else
872 return c + 0x10000;
873}
874
52efd56a 875static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2) {
0fa2cac4
KS		 876 CHAR16 *os1 = s1;
877 CHAR16 *os2 = s2;
878
879 while (*s1 || *s2) {
880 INTN first;
881
882 while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) {
883 INTN order;
884
885 order = c_order(*s1) - c_order(*s2);
886 if (order)
887 return order;
888 s1++;
889 s2++;
890 }
891
892 while (*s1 == '0')
893 s1++;
894 while (*s2 == '0')
895 s2++;
896
897 first = 0;
898 while (is_digit(*s1) && is_digit(*s2)) {
899 if (first == 0)
900 first = *s1 - *s2;
901 s1++;
902 s2++;
903 }
904
905 if (is_digit(*s1))
906 return 1;
907 if (is_digit(*s2))
908 return -1;
909
910 if (first)
911 return first;
912 }
913
914 return StrCmp(os1, os2);
915}
916
917static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
918 CHAR8 *line;
919 UINTN linelen;
920 CHAR8 *value;
921
922skip:
923 line = content + *pos;
924 if (*line == '\0')
925 return NULL;
926
927 linelen = 0;
928 while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen]))
929 linelen++;
930
931 /* move pos to next line */
932 *pos += linelen;
933 if (content[*pos])
934 (*pos)++;
935
936 /* empty line */
937 if (linelen == 0)
938 goto skip;
939
940 /* terminate line */
941 line[linelen] = '\0';
942
943 /* remove leading whitespace */
944 while (strchra((CHAR8 *)" \t", *line)) {
945 line++;
946 linelen--;
947 }
948
949 /* remove trailing whitespace */
950 while (linelen > 0 && strchra(sep, line[linelen-1]))
951 linelen--;
952 line[linelen] = '\0';
953
954 if (*line == '#')
955 goto skip;
956
957 /* split key/value */
958 value = line;
959 while (*value && !strchra(sep, *value))
960 value++;
961 if (*value == '\0')
962 goto skip;
963 *value = '\0';
964 value++;
965 while (*value && strchra(sep, *value))
966 value++;
967
968 /* unquote */
969 if (value[0] == '\"' && line[linelen-1] == '\"') {
970 value++;
971 line[linelen-1] = '\0';
972 }
973
974 *key_ret = line;
975 *value_ret = value;
976 return line;
977}
978
979static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
980 CHAR8 *line;
981 UINTN pos = 0;
982 CHAR8 *key, *value;
983
984 line = content;
985 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
986 if (strcmpa((CHAR8 *)"timeout", key) == 0) {
987 CHAR16 *s;
988
989 s = stra_to_str(value);
990 config->timeout_sec_config = Atoi(s);
991 config->timeout_sec = config->timeout_sec_config;
992 FreePool(s);
993 continue;
994 }
995
996 if (strcmpa((CHAR8 *)"default", key) == 0) {
997 FreePool(config->entry_default_pattern);
998 config->entry_default_pattern = stra_to_str(value);
999 StrLwr(config->entry_default_pattern);
1000 continue;
1001 }
4db7e6d7
KS		 1002
1003 if (strcmpa((CHAR8 *)"editor", key) == 0) {
1004 BOOLEAN on;
1005
1006 if (EFI_ERROR(parse_boolean(value, &on)))
1007 continue;
1008 config->no_editor = !on;
1009 }
0fa2cac4
KS		 1010 }
1011}
1012
1013static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR8 *content, CHAR16 *loaded_image_path) {
1014 ConfigEntry *entry;
1015 CHAR8 *line;
1016 UINTN pos = 0;
1017 CHAR8 *key, *value;
1018 UINTN len;
1019 CHAR16 *initrd = NULL;
1020
1021 entry = AllocateZeroPool(sizeof(ConfigEntry));
1022
1023 line = content;
1024 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1025 if (strcmpa((CHAR8 *)"title", key) == 0) {
1026 FreePool(entry->title);
1027 entry->title = stra_to_str(value);
1028 continue;
1029 }
1030
1031 if (strcmpa((CHAR8 *)"version", key) == 0) {
1032 FreePool(entry->version);
1033 entry->version = stra_to_str(value);
1034 continue;
1035 }
1036
1037 if (strcmpa((CHAR8 *)"machine-id", key) == 0) {
1038 FreePool(entry->machine_id);
1039 entry->machine_id = stra_to_str(value);
1040 continue;
1041 }
1042
1043 if (strcmpa((CHAR8 *)"linux", key) == 0) {
1044 FreePool(entry->loader);
1045 entry->type = LOADER_LINUX;
1046 entry->loader = stra_to_path(value);
1047 entry->key = 'l';
1048 continue;
1049 }
1050
1051 if (strcmpa((CHAR8 *)"efi", key) == 0) {
1052 entry->type = LOADER_EFI;
1053 FreePool(entry->loader);
1054 entry->loader = stra_to_path(value);
1055
1056 /* do not add an entry for ourselves */
1057 if (StriCmp(entry->loader, loaded_image_path) == 0) {
1058 entry->type = LOADER_UNDEFINED;
1059 break;
1060 }
1061 continue;
1062 }
1063
1064 if (strcmpa((CHAR8 *)"architecture", key) == 0) {
1065 /* do not add an entry for an EFI image of architecture not matching with that of the image */
1066 if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) {
1067 entry->type = LOADER_UNDEFINED;
1068 break;
1069 }
1070 continue;
1071 }
1072
1073 if (strcmpa((CHAR8 *)"initrd", key) == 0) {
1074 CHAR16 *new;
1075
1076 new = stra_to_path(value);
1077 if (initrd) {
1078 CHAR16 *s;
1079
1080 s = PoolPrint(L"%s initrd=%s", initrd, new);
1081 FreePool(initrd);
1082 initrd = s;
1083 } else
1084 initrd = PoolPrint(L"initrd=%s", new);
1085 FreePool(new);
1086 continue;
1087 }
1088
1089 if (strcmpa((CHAR8 *)"options", key) == 0) {
1090 CHAR16 *new;
1091
1092 new = stra_to_str(value);
1093 if (entry->options) {
1094 CHAR16 *s;
1095
1096 s = PoolPrint(L"%s %s", entry->options, new);
1097 FreePool(entry->options);
1098 entry->options = s;
1099 } else {
1100 entry->options = new;
1101 new = NULL;
1102 }
1103 FreePool(new);
1104 continue;
1105 }
0fa2cac4
KS		 1106 }
1107
1108 if (entry->type == LOADER_UNDEFINED) {
1109 config_entry_free(entry);
1110 FreePool(initrd);
1111 FreePool(entry);
1112 return;
1113 }
1114
1115 /* add initrd= to options */
1116 if (entry->type == LOADER_LINUX && initrd) {
1117 if (entry->options) {
1118 CHAR16 *s;
1119
1120 s = PoolPrint(L"%s %s", initrd, entry->options);
1121 FreePool(entry->options);
1122 entry->options = s;
1123 } else {
1124 entry->options = initrd;
1125 initrd = NULL;
1126 }
1127 }
1128 FreePool(initrd);
1129
0fa2cac4
KS		 1130 entry->device = device;
1131 entry->file = StrDuplicate(file);
1132 len = StrLen(entry->file);
1133 /* remove ".conf" */
1134 if (len > 5)
1135 entry->file[len - 5] = '\0';
1136 StrLwr(entry->file);
1137
1138 config_add_entry(config, entry);
1139}
1140
540536ff 1141static VOID config_load_defaults(Config *config, EFI_FILE *root_dir) {
0fa2cac4
KS		 1142 CHAR8 *content = NULL;
1143 UINTN sec;
1144 UINTN len;
540536ff 1145 EFI_STATUS err;
0fa2cac4
KS		 1146
1147 len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
1148 if (len > 0)
1149 config_defaults_load_from_file(config, content);
1150 FreePool(content);
1151
1152 err = efivar_get_int(L"LoaderConfigTimeout", &sec);
1153 if (!EFI_ERROR(err)) {
1154 config->timeout_sec_efivar = sec;
1155 config->timeout_sec = sec;
1156 } else
1157 config->timeout_sec_efivar = -1;
540536ff
KS		 1158}
1159
1160static VOID config_load_entries(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
1161 EFI_FILE_HANDLE entries_dir;
1162 EFI_STATUS err;
0fa2cac4
KS		 1163
1164 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL);
1165 if (!EFI_ERROR(err)) {
1166 for (;;) {
1167 CHAR16 buf[256];
1168 UINTN bufsize;
1169 EFI_FILE_INFO *f;
1170 CHAR8 *content = NULL;
1171 UINTN len;
1172
1173 bufsize = sizeof(buf);
1174 err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf);
1175 if (bufsize == 0 || EFI_ERROR(err))
1176 break;
1177
1178 f = (EFI_FILE_INFO *) buf;
1179 if (f->FileName[0] == '.')
1180 continue;
1181 if (f->Attribute & EFI_FILE_DIRECTORY)
1182 continue;
9d3dec15 1183
0fa2cac4
KS		 1184 len = StrLen(f->FileName);
1185 if (len < 6)
1186 continue;
1187 if (StriCmp(f->FileName + len - 5, L".conf") != 0)
1188 continue;
9d3dec15
KS		 1189 if (StrnCmp(f->FileName, L"auto-", 5) == 0)
1190 continue;
0fa2cac4
KS		 1191
1192 len = file_read(entries_dir, f->FileName, 0, 0, &content);
1193 if (len > 0)
1194 config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
1195 FreePool(content);
1196 }
1197 uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
1198 }
540536ff
KS		 1199}
1200
1201static VOID config_sort_entries(Config *config) {
1202 UINTN i;
0fa2cac4 1203
0fa2cac4
KS		 1204 for (i = 1; i < config->entry_count; i++) {
1205 BOOLEAN more;
1206 UINTN k;
1207
1208 more = FALSE;
1209 for (k = 0; k < config->entry_count - i; k++) {
1210 ConfigEntry *entry;
1211
1212 if (str_verscmp(config->entries[k]->file, config->entries[k+1]->file) <= 0)
1213 continue;
1214 entry = config->entries[k];
1215 config->entries[k] = config->entries[k+1];
1216 config->entries[k+1] = entry;
1217 more = TRUE;
1218 }
1219 if (!more)
1220 break;
1221 }
1222}
1223
1224static VOID config_default_entry_select(Config *config) {
1225 CHAR16 *var;
1226 EFI_STATUS err;
1227 UINTN i;
1228
1229 /*
1230 * The EFI variable to specify a boot entry for the next, and only the
1231 * next reboot. The variable is always cleared directly after it is read.
1232 */
1233 err = efivar_get(L"LoaderEntryOneShot", &var);
1234 if (!EFI_ERROR(err)) {
1235 BOOLEAN found = FALSE;
1236
1237 for (i = 0; i < config->entry_count; i++) {
1238 if (StrCmp(config->entries[i]->file, var) == 0) {
1239 config->idx_default = i;
1240 found = TRUE;
1241 break;
1242 }
1243 }
1244
1245 config->entry_oneshot = StrDuplicate(var);
1246 efivar_set(L"LoaderEntryOneShot", NULL, TRUE);
1247 FreePool(var);
1248 if (found)
1249 return;
1250 }
1251
1252 /*
1253 * The EFI variable to select the default boot entry overrides the
1254 * configured pattern. The variable can be set and cleared by pressing
1255 * the 'd' key in the loader selection menu, the entry is marked with
1256 * an '*'.
1257 */
1258 err = efivar_get(L"LoaderEntryDefault", &var);
1259 if (!EFI_ERROR(err)) {
1260 BOOLEAN found = FALSE;
1261
1262 for (i = 0; i < config->entry_count; i++) {
1263 if (StrCmp(config->entries[i]->file, var) == 0) {
1264 config->idx_default = i;
1265 config->idx_default_efivar = i;
1266 found = TRUE;
1267 break;
1268 }
1269 }
1270 FreePool(var);
1271 if (found)
1272 return;
1273 }
1274 config->idx_default_efivar = -1;
1275
1276 if (config->entry_count == 0)
1277 return;
1278
1279 /*
1280 * Match the pattern from the end of the list to the start, find last
1281 * entry (largest number) matching the given pattern.
1282 */
1283 if (config->entry_default_pattern) {
1284 i = config->entry_count;
1285 while (i--) {
1286 if (config->entries[i]->no_autoselect)
1287 continue;
1288 if (MetaiMatch(config->entries[i]->file, config->entry_default_pattern)) {
1289 config->idx_default = i;
1290 return;
1291 }
1292 }
1293 }
1294
1295 /* select the last suitable entry */
1296 i = config->entry_count;
1297 while (i--) {
1298 if (config->entries[i]->no_autoselect)
1299 continue;
1300 config->idx_default = i;
1301 return;
1302 }
1303
1304 /* no entry found */
1305 config->idx_default = -1;
1306}
1307
1308/* generate a unique title, avoiding non-distinguishable menu entries */
1309static VOID config_title_generate(Config *config) {
1310 UINTN i, k;
1311 BOOLEAN unique;
1312
1313 /* set title */
1314 for (i = 0; i < config->entry_count; i++) {
1315 CHAR16 *title;
1316
1317 FreePool(config->entries[i]->title_show);
1318 title = config->entries[i]->title;
1319 if (!title)
1320 title = config->entries[i]->file;
1321 config->entries[i]->title_show = StrDuplicate(title);
1322 }
1323
1324 unique = TRUE;
1325 for (i = 0; i < config->entry_count; i++) {
1326 for (k = 0; k < config->entry_count; k++) {
1327 if (i == k)
1328 continue;
1329 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1330 continue;
1331
1332 unique = FALSE;
1333 config->entries[i]->non_unique = TRUE;
1334 config->entries[k]->non_unique = TRUE;
1335 }
1336 }
1337 if (unique)
1338 return;
1339
1340 /* add version to non-unique titles */
1341 for (i = 0; i < config->entry_count; i++) {
1342 CHAR16 *s;
1343
1344 if (!config->entries[i]->non_unique)
1345 continue;
1346 if (!config->entries[i]->version)
1347 continue;
1348
1349 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version);
1350 FreePool(config->entries[i]->title_show);
1351 config->entries[i]->title_show = s;
1352 config->entries[i]->non_unique = FALSE;
1353 }
1354
1355 unique = TRUE;
1356 for (i = 0; i < config->entry_count; i++) {
1357 for (k = 0; k < config->entry_count; k++) {
1358 if (i == k)
1359 continue;
1360 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1361 continue;
1362
1363 unique = FALSE;
1364 config->entries[i]->non_unique = TRUE;
1365 config->entries[k]->non_unique = TRUE;
1366 }
1367 }
1368 if (unique)
1369 return;
1370
1371 /* add machine-id to non-unique titles */
1372 for (i = 0; i < config->entry_count; i++) {
1373 CHAR16 *s;
1374 CHAR16 *m;
1375
1376 if (!config->entries[i]->non_unique)
1377 continue;
1378 if (!config->entries[i]->machine_id)
1379 continue;
1380
1381 m = StrDuplicate(config->entries[i]->machine_id);
1382 m[8] = '\0';
1383 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m);
1384 FreePool(config->entries[i]->title_show);
1385 config->entries[i]->title_show = s;
1386 config->entries[i]->non_unique = FALSE;
1387 FreePool(m);
1388 }
1389
1390 unique = TRUE;
1391 for (i = 0; i < config->entry_count; i++) {
1392 for (k = 0; k < config->entry_count; k++) {
1393 if (i == k)
1394 continue;
1395 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1396 continue;
1397
1398 unique = FALSE;
1399 config->entries[i]->non_unique = TRUE;
1400 config->entries[k]->non_unique = TRUE;
1401 }
1402 }
1403 if (unique)
1404 return;
1405
1406 /* add file name to non-unique titles */
1407 for (i = 0; i < config->entry_count; i++) {
1408 CHAR16 *s;
1409
1410 if (!config->entries[i]->non_unique)
1411 continue;
1412 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->file);
1413 FreePool(config->entries[i]->title_show);
1414 config->entries[i]->title_show = s;
1415 config->entries[i]->non_unique = FALSE;
1416 }
1417}
1418
1419static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (*call)(VOID)) {
1420 ConfigEntry *entry;
1421
1422 entry = AllocateZeroPool(sizeof(ConfigEntry));
1423 entry->title = StrDuplicate(title);
1424 entry->call = call;
1425 entry->no_autoselect = TRUE;
1426 config_add_entry(config, entry);
1427 return TRUE;
1428}
1429
1430static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device,
1431 enum loader_type type,CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1432 ConfigEntry *entry;
1433
1434 entry = AllocateZeroPool(sizeof(ConfigEntry));
1435 entry->type = type;
1436 entry->title = StrDuplicate(title);
1437 entry->device = device;
1438 entry->loader = StrDuplicate(loader);
1439 entry->file = StrDuplicate(file);
1440 StrLwr(entry->file);
1441 entry->key = key;
1442 config_add_entry(config, entry);
1443
1444 return entry;
1445}
1446
1447static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
1448 CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1449 EFI_FILE_HANDLE handle;
1450 ConfigEntry *entry;
1451 EFI_STATUS err;
1452
1453 /* do not add an entry for ourselves */
1454 if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
1455 return FALSE;
1456
1457 /* check existence */
1458 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL);
1459 if (EFI_ERROR(err))
1460 return FALSE;
1461 uefi_call_wrapper(handle->Close, 1, handle);
1462
1463 entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, file, key, title, loader);
1464 if (!entry)
1465 return FALSE;
1466
1467 /* do not boot right away into auto-detected entries */
1468 entry->no_autoselect = TRUE;
1469
0fa2cac4
KS		 1470 return TRUE;
1471}
1472
1473static VOID config_entry_add_osx(Config *config) {
1474 EFI_STATUS err;
1475 UINTN handle_count = 0;
1476 EFI_HANDLE *handles = NULL;
1477
1478 err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles);
1479 if (!EFI_ERROR(err)) {
1480 UINTN i;
1481
1482 for (i = 0; i < handle_count; i++) {
1483 EFI_FILE *root;
1484 BOOLEAN found;
1485
1486 root = LibOpenRoot(handles[i]);
1487 if (!root)
1488 continue;
b3f76b0d 1489 found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"macOS",
0fa2cac4
KS		 1490 L"\\System\\Library\\CoreServices\\boot.efi");
1491 uefi_call_wrapper(root->Close, 1, root);
1492 if (found)
1493 break;
1494 }
1495
1496 FreePool(handles);
1497 }
1498}
1499
1500static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
1501 EFI_FILE_HANDLE linux_dir;
1502 EFI_STATUS err;
b1da143f 1503 ConfigEntry *entry;
0fa2cac4
KS		 1504
1505 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
1506 if (!EFI_ERROR(err)) {
1507 for (;;) {
1508 CHAR16 buf[256];
1509 UINTN bufsize;
1510 EFI_FILE_INFO *f;
1511 CHAR8 *sections[] = {
1512 (UINT8 *)".osrel",
b1da143f 1513 (UINT8 *)".cmdline",
0fa2cac4
KS		 1514 NULL
1515 };
1516 UINTN offs[ELEMENTSOF(sections)-1] = {};
1517 UINTN szs[ELEMENTSOF(sections)-1] = {};
1518 UINTN addrs[ELEMENTSOF(sections)-1] = {};
1519 CHAR8 *content = NULL;
1520 UINTN len;
1521 CHAR8 *line;
1522 UINTN pos = 0;
1523 CHAR8 *key, *value;
1524 CHAR16 *os_name = NULL;
1525 CHAR16 *os_id = NULL;
1526 CHAR16 *os_version = NULL;
59658d19 1527 CHAR16 *os_build = NULL;
0fa2cac4
KS		 1528
1529 bufsize = sizeof(buf);
1530 err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
1531 if (bufsize == 0 || EFI_ERROR(err))
1532 break;
1533
1534 f = (EFI_FILE_INFO *) buf;
1535 if (f->FileName[0] == '.')
1536 continue;
1537 if (f->Attribute & EFI_FILE_DIRECTORY)
1538 continue;
1539 len = StrLen(f->FileName);
1540 if (len < 5)
1541 continue;
1542 if (StriCmp(f->FileName + len - 4, L".efi") != 0)
1543 continue;
1544
b1da143f 1545 /* look for .osrel and .cmdline sections in the .efi binary */
d4cbada2 1546 err = pe_file_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
0fa2cac4
KS		 1547 if (EFI_ERROR(err))
1548 continue;
1549
1550 len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
1551 if (len <= 0)
1552 continue;
1553
1554 /* read properties from the embedded os-release file */
1555 line = content;
1556 while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
1557 if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
d8c64b7f 1558 FreePool(os_name);
0fa2cac4
KS		 1559 os_name = stra_to_str(value);
1560 continue;
1561 }
1562
1563 if (strcmpa((CHAR8 *)"ID", key) == 0) {
d8c64b7f 1564 FreePool(os_id);
0fa2cac4
KS		 1565 os_id = stra_to_str(value);
1566 continue;
1567 }
1568
1569 if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
d8c64b7f 1570 FreePool(os_version);
0fa2cac4
KS		 1571 os_version = stra_to_str(value);
1572 continue;
1573 }
59658d19
DH		 1574
1575 if (strcmpa((CHAR8 *)"BUILD_ID", key) == 0) {
1576 FreePool(os_build);
1577 os_build = stra_to_str(value);
1578 continue;
1579 }
0fa2cac4
KS		 1580 }
1581
59658d19 1582 if (os_name && os_id && (os_version || os_build)) {
0fa2cac4
KS		 1583 CHAR16 *conf;
1584 CHAR16 *path;
b1da143f 1585 CHAR16 *cmdline;
0fa2cac4 1586
59658d19 1587 conf = PoolPrint(L"%s-%s", os_id, os_version ? : os_build);
0fa2cac4 1588 path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
b1da143f
JCVM		 1589 entry = config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
1590
1591 FreePool(content);
1592 /* read the embedded cmdline file */
1593 len = file_read(linux_dir, f->FileName, offs[1], szs[1] - 1 , &content);
1594 if (len > 0) {
fc7bdb58
KS		 1595 cmdline = stra_to_str(content);
1596 entry->options = cmdline;
1597 cmdline = NULL;
b1da143f
JCVM		 1598 }
1599 FreePool(cmdline);
0fa2cac4
KS		 1600 FreePool(conf);
1601 FreePool(path);
0fa2cac4
KS		 1602 }
1603
d8c64b7f
DH		 1604 FreePool(os_name);
1605 FreePool(os_id);
1606 FreePool(os_version);
59658d19 1607 FreePool(os_build);
0fa2cac4
KS		 1608 FreePool(content);
1609 }
1610 uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
1611 }
1612}
1613
1614static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
1615 EFI_HANDLE image;
1616 EFI_DEVICE_PATH *path;
1617 CHAR16 *options;
1618 EFI_STATUS err;
1619
1620 path = FileDevicePath(entry->device, entry->loader);
1621 if (!path) {
1622 Print(L"Error getting device path.");
1623 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1624 return EFI_INVALID_PARAMETER;
1625 }
1626
1627 err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image);
1628 if (EFI_ERROR(err)) {
1629 Print(L"Error loading %s: %r", entry->loader, err);
1630 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1631 goto out;
1632 }
1633
1634 if (config->options_edit)
1635 options = config->options_edit;
1636 else if (entry->options)
1637 options = entry->options;
1638 else
1639 options = NULL;
1640 if (options) {
1641 EFI_LOADED_IMAGE *loaded_image;
1642
1643 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1644 parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1645 if (EFI_ERROR(err)) {
1646 Print(L"Error getting LoadedImageProtocol handle: %r", err);
1647 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1648 goto out_unload;
1649 }
1650 loaded_image->LoadOptions = options;
1651 loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16);
92ed3bb4 1652
349cc4a5 1653#if ENABLE_TPM
7db5706e 1654 /* Try to log any options to the TPM, especially to catch manually edited options */
92ed3bb4
HH		 1655 err = tpm_log_event(SD_TPM_PCR,
1656 (EFI_PHYSICAL_ADDRESS) loaded_image->LoadOptions,
1657 loaded_image->LoadOptionsSize, loaded_image->LoadOptions);
1658 if (EFI_ERROR(err)) {
1659 Print(L"Unable to add image options measurement: %r", err);
522aa9f5 1660 uefi_call_wrapper(BS->Stall, 1, 200 * 1000);
92ed3bb4
HH		 1661 }
1662#endif
0fa2cac4
KS		 1663 }
1664
1665 efivar_set_time_usec(L"LoaderTimeExecUSec", 0);
1666 err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL);
1667out_unload:
1668 uefi_call_wrapper(BS->UnloadImage, 1, image);
1669out:
1670 FreePool(path);
1671 return err;
1672}
1673
1674static EFI_STATUS reboot_into_firmware(VOID) {
1675 CHAR8 *b;
1676 UINTN size;
1677 UINT64 osind;
1678 EFI_STATUS err;
1679
1680 osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
1681
1682 err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size);
1683 if (!EFI_ERROR(err))
1684 osind |= (UINT64)*b;
1685 FreePool(b);
1686
1687 err = efivar_set_raw(&global_guid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
1688 if (EFI_ERROR(err))
1689 return err;
1690
1691 err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL);
1692 Print(L"Error calling ResetSystem: %r", err);
1693 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1694 return err;
1695}
1696
1697static VOID config_free(Config *config) {
1698 UINTN i;
1699
1700 for (i = 0; i < config->entry_count; i++)
1701 config_entry_free(config->entries[i]);
1702 FreePool(config->entries);
1703 FreePool(config->entry_default_pattern);
1704 FreePool(config->options_edit);
1705 FreePool(config->entry_oneshot);
0fa2cac4
KS		 1706}
1707
1708EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
1709 CHAR16 *s;
1710 CHAR8 *b;
1711 UINTN size;
1712 EFI_LOADED_IMAGE *loaded_image;
1713 EFI_FILE *root_dir;
1714 CHAR16 *loaded_image_path;
0fa2cac4
KS		 1715 EFI_STATUS err;
1716 Config config;
1717 UINT64 init_usec;
1718 BOOLEAN menu = FALSE;
8110e144 1719 CHAR16 uuid[37];
0fa2cac4
KS		 1720
1721 InitializeLib(image, sys_table);
1722 init_usec = time_usec();
1723 efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec);
948aaa7c 1724 efivar_set(L"LoaderInfo", L"systemd-boot " PACKAGE_VERSION, FALSE);
0fa2cac4
KS		 1725 s = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
1726 efivar_set(L"LoaderFirmwareInfo", s, FALSE);
1727 FreePool(s);
1728 s = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
1729 efivar_set(L"LoaderFirmwareType", s, FALSE);
1730 FreePool(s);
1731
1732 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1733 image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1734 if (EFI_ERROR(err)) {
1735 Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
1736 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1737 return err;
1738 }
1739
1740 /* export the device path this image is started from */
8110e144
KS		 1741 if (disk_get_part_uuid(loaded_image->DeviceHandle, uuid) == EFI_SUCCESS)
1742 efivar_set(L"LoaderDevicePartUUID", uuid, FALSE);
0fa2cac4
KS		 1743
1744 root_dir = LibOpenRoot(loaded_image->DeviceHandle);
1745 if (!root_dir) {
1746 Print(L"Unable to open root directory: %r ", err);
1747 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1748 return EFI_LOAD_ERROR;
1749 }
1750
b2bb40ce
MR		 1751 if (secure_boot_enabled() && shim_loaded()) {
1752 err = security_policy_install();
1753 if (EFI_ERROR(err)) {
1754 Print(L"Error installing security policy: %r ", err);
1755 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1756 return err;
1757 }
1758 }
0fa2cac4
KS		 1759
1760 /* the filesystem path to this image, to prevent adding ourselves to the menu */
1761 loaded_image_path = DevicePathToStr(loaded_image->FilePath);
1762 efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
1763
0fa2cac4 1764 ZeroMem(&config, sizeof(Config));
540536ff 1765 config_load_defaults(&config, root_dir);
0fa2cac4 1766
540536ff 1767 /* scan /EFI/Linux/ directory */
0fa2cac4 1768 config_entry_add_linux(&config, loaded_image, root_dir);
540536ff
KS		 1769
1770 /* scan /loader/entries/\*.conf files */
1771 config_load_entries(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path);
1772
1773 /* sort entries after version number */
1774 config_sort_entries(&config);
1775
1776 /* if we find some well-known loaders, add them to the end of the list */
0fa2cac4
KS		 1777 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1778 L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
1779 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1780 L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi");
1781 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1782 L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi");
1783 config_entry_add_osx(&config);
0fa2cac4
KS		 1784
1785 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
1786 UINT64 osind = (UINT64)*b;
1787
1788 if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI)
1789 config_entry_add_call(&config, L"Reboot Into Firmware Interface", reboot_into_firmware);
1790 FreePool(b);
1791 }
1792
1793 if (config.entry_count == 0) {
1794 Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed.");
1795 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1796 goto out;
1797 }
1798
1799 config_title_generate(&config);
1800
13e785f7 1801 /* select entry by configured pattern or EFI LoaderDefaultEntry= variable */
0fa2cac4
KS		 1802 config_default_entry_select(&config);
1803
1804 /* if no configured entry to select from was found, enable the menu */
1805 if (config.idx_default == -1) {
1806 config.idx_default = 0;
1807 if (config.timeout_sec == 0)
1808 config.timeout_sec = 10;
1809 }
1810
1811 /* select entry or show menu when key is pressed or timeout is set */
1812 if (config.timeout_sec == 0) {
1813 UINT64 key;
1814
1815 err = console_key_read(&key, FALSE);
1816 if (!EFI_ERROR(err)) {
1817 INT16 idx;
1818
1819 /* find matching key in config entries */
1820 idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key));
1821 if (idx >= 0)
1822 config.idx_default = idx;
1823 else
1824 menu = TRUE;
1825 }
1826 } else
1827 menu = TRUE;
1828
1829 for (;;) {
1830 ConfigEntry *entry;
1831
1832 entry = config.entries[config.idx_default];
1833 if (menu) {
1834 efivar_set_time_usec(L"LoaderTimeMenuUSec", 0);
1835 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL);
7361099e 1836 if (!menu_run(&config, &entry, loaded_image_path))
0fa2cac4
KS		 1837 break;
1838
1839 /* run special entry like "reboot" */
1840 if (entry->call) {
1841 entry->call();
1842 continue;
1843 }
0fa2cac4
KS		 1844 }
1845
1846 /* export the selected boot entry to the system */
1847 efivar_set(L"LoaderEntrySelected", entry->file, FALSE);
1848
1849 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL);
1850 err = image_start(image, &config, entry);
20b1538d 1851 if (EFI_ERROR(err)) {
37fa3690 1852 graphics_mode(FALSE);
20b1538d 1853 Print(L"\nFailed to execute %s (%s): %r\n", entry->title, entry->loader, err);
0fa2cac4
KS		 1854 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1855 goto out;
1856 }
1857
1858 menu = TRUE;
1859 config.timeout_sec = 0;
1860 }
1861 err = EFI_SUCCESS;
1862out:
1863 FreePool(loaded_image_path);
1864 config_free(&config);
1865 uefi_call_wrapper(root_dir->Close, 1, root_dir);
1866 uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL);
1867 return err;
1868}
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