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core: emit changes for NFailedUnits property
[thirdparty/systemd.git] / src / boot / efi / boot.c
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0fa2cac4
KS		 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 */
e7dd673d 32static const char __attribute__((used)) magic[] = "#### LoaderInfo: systemd-boot " VERSION " ####";
0fa2cac4
KS		 33
34static const EFI_GUID global_guid = EFI_GLOBAL_VARIABLE;
35
36enum loader_type {
37 LOADER_UNDEFINED,
38 LOADER_EFI,
39 LOADER_LINUX
40};
41
42typedef 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
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 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *background;
69 CHAR16 *entry_oneshot;
70 CHAR16 *options_edit;
71 CHAR16 *entries_auto;
72} Config;
73
74static VOID cursor_left(UINTN *cursor, UINTN *first)
75{
76 if ((*cursor) > 0)
77 (*cursor)--;
78 else if ((*first) > 0)
79 (*first)--;
80}
81
82static VOID cursor_right(UINTN *cursor, UINTN *first, UINTN x_max, UINTN len)
83{
84 if ((*cursor)+1 < x_max)
85 (*cursor)++;
86 else if ((*first) + (*cursor) < len)
87 (*first)++;
88}
89
90static BOOLEAN line_edit(CHAR16 *line_in, CHAR16 **line_out, UINTN x_max, UINTN y_pos) {
91 CHAR16 *line;
92 UINTN size;
93 UINTN len;
94 UINTN first;
95 CHAR16 *print;
96 UINTN cursor;
97 UINTN clear;
98 BOOLEAN exit;
99 BOOLEAN enter;
100
101 if (!line_in)
102 line_in = L"";
103 size = StrLen(line_in) + 1024;
104 line = AllocatePool(size * sizeof(CHAR16));
105 StrCpy(line, line_in);
106 len = StrLen(line);
107 print = AllocatePool((x_max+1) * sizeof(CHAR16));
108
109 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, TRUE);
110
111 first = 0;
112 cursor = 0;
113 clear = 0;
114 enter = FALSE;
115 exit = FALSE;
116 while (!exit) {
117 EFI_STATUS err;
118 UINT64 key;
119 UINTN i;
120
121 i = len - first;
122 if (i >= x_max-1)
123 i = x_max-1;
124 CopyMem(print, line + first, i * sizeof(CHAR16));
125 while (clear > 0 && i < x_max-1) {
126 clear--;
127 print[i++] = ' ';
128 }
129 print[i] = '\0';
130
131 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_pos);
132 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, print);
133 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
134
135 err = console_key_read(&key, TRUE);
136 if (EFI_ERROR(err))
137 continue;
138
139 switch (key) {
140 case KEYPRESS(0, SCAN_ESC, 0):
141 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'c'):
142 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'g'):
143 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('c')):
144 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('g')):
145 exit = TRUE;
146 break;
147
148 case KEYPRESS(0, SCAN_HOME, 0):
149 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'a'):
150 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('a')):
151 /* beginning-of-line */
152 cursor = 0;
153 first = 0;
154 continue;
155
156 case KEYPRESS(0, SCAN_END, 0):
157 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'e'):
158 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('e')):
159 /* end-of-line */
160 cursor = len - first;
161 if (cursor+1 >= x_max) {
162 cursor = x_max-1;
163 first = len - (x_max-1);
164 }
165 continue;
166
167 case KEYPRESS(0, SCAN_DOWN, 0):
168 case KEYPRESS(EFI_ALT_PRESSED, 0, 'f'):
169 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_RIGHT, 0):
170 /* forward-word */
171 while (line[first + cursor] && line[first + cursor] == ' ')
172 cursor_right(&cursor, &first, x_max, len);
173 while (line[first + cursor] && line[first + cursor] != ' ')
174 cursor_right(&cursor, &first, x_max, len);
175 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
176 continue;
177
178 case KEYPRESS(0, SCAN_UP, 0):
179 case KEYPRESS(EFI_ALT_PRESSED, 0, 'b'):
180 case KEYPRESS(EFI_CONTROL_PRESSED, SCAN_LEFT, 0):
181 /* backward-word */
182 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
183 cursor_left(&cursor, &first);
184 while ((first + cursor) > 0 && line[first + cursor] == ' ')
185 cursor_left(&cursor, &first);
186 }
187 while ((first + cursor) > 0 && line[first + cursor-1] != ' ')
188 cursor_left(&cursor, &first);
189 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
190 continue;
191
192 case KEYPRESS(0, SCAN_RIGHT, 0):
193 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'f'):
194 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('f')):
195 /* forward-char */
196 if (first + cursor == len)
197 continue;
198 cursor_right(&cursor, &first, x_max, len);
199 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
200 continue;
201
202 case KEYPRESS(0, SCAN_LEFT, 0):
203 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'b'):
204 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('b')):
205 /* backward-char */
206 cursor_left(&cursor, &first);
207 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
208 continue;
209
210 case KEYPRESS(EFI_ALT_PRESSED, 0, 'd'):
211 /* kill-word */
212 clear = 0;
213 for (i = first + cursor; i < len && line[i] == ' '; i++)
214 clear++;
215 for (; i < len && line[i] != ' '; i++)
216 clear++;
217
218 for (i = first + cursor; i + clear < len; i++)
219 line[i] = line[i + clear];
220 len -= clear;
221 line[len] = '\0';
222 continue;
223
224 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'w'):
225 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('w')):
226 case KEYPRESS(EFI_ALT_PRESSED, 0, CHAR_BACKSPACE):
227 /* backward-kill-word */
228 clear = 0;
229 if ((first + cursor) > 0 && line[first + cursor-1] == ' ') {
230 cursor_left(&cursor, &first);
231 clear++;
232 while ((first + cursor) > 0 && line[first + cursor] == ' ') {
233 cursor_left(&cursor, &first);
234 clear++;
235 }
236 }
237 while ((first + cursor) > 0 && line[first + cursor-1] != ' ') {
238 cursor_left(&cursor, &first);
239 clear++;
240 }
241 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, cursor, y_pos);
242
243 for (i = first + cursor; i + clear < len; i++)
244 line[i] = line[i + clear];
245 len -= clear;
246 line[len] = '\0';
247 continue;
248
249 case KEYPRESS(0, SCAN_DELETE, 0):
250 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'd'):
251 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('d')):
252 if (len == 0)
253 continue;
254 if (first + cursor == len)
255 continue;
256 for (i = first + cursor; i < len; i++)
257 line[i] = line[i+1];
258 clear = 1;
259 len--;
260 continue;
261
262 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'k'):
263 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('k')):
264 /* kill-line */
265 line[first + cursor] = '\0';
266 clear = len - (first + cursor);
267 len = first + cursor;
268 continue;
269
270 case KEYPRESS(0, 0, CHAR_LINEFEED):
271 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
272 if (StrCmp(line, line_in) != 0) {
273 *line_out = line;
274 line = NULL;
275 }
276 enter = TRUE;
277 exit = TRUE;
278 break;
279
280 case KEYPRESS(0, 0, CHAR_BACKSPACE):
281 if (len == 0)
282 continue;
283 if (first == 0 && cursor == 0)
284 continue;
285 for (i = first + cursor-1; i < len; i++)
286 line[i] = line[i+1];
287 clear = 1;
288 len--;
289 if (cursor > 0)
290 cursor--;
291 if (cursor > 0 || first == 0)
292 continue;
293 /* show full line if it fits */
294 if (len < x_max) {
295 cursor = first;
296 first = 0;
297 continue;
298 }
299 /* jump left to see what we delete */
300 if (first > 10) {
301 first -= 10;
302 cursor = 10;
303 } else {
304 cursor = first;
305 first = 0;
306 }
307 continue;
308
309 case KEYPRESS(0, 0, ' ') ... KEYPRESS(0, 0, '~'):
310 case KEYPRESS(0, 0, 0x80) ... KEYPRESS(0, 0, 0xffff):
311 if (len+1 == size)
312 continue;
313 for (i = len; i > first + cursor; i--)
314 line[i] = line[i-1];
315 line[first + cursor] = KEYCHAR(key);
316 len++;
317 line[len] = '\0';
318 if (cursor+1 < x_max)
319 cursor++;
320 else if (first + cursor < len)
321 first++;
322 continue;
323 }
324 }
325
326 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
327 FreePool(print);
328 FreePool(line);
329 return enter;
330}
331
332static UINTN entry_lookup_key(Config *config, UINTN start, CHAR16 key) {
333 UINTN i;
334
335 if (key == 0)
336 return -1;
337
338 /* select entry by number key */
339 if (key >= '1' && key <= '9') {
340 i = key - '0';
341 if (i > config->entry_count)
342 i = config->entry_count;
343 return i-1;
344 }
345
346 /* find matching key in config entries */
347 for (i = start; i < config->entry_count; i++)
348 if (config->entries[i]->key == key)
349 return i;
350
351 for (i = 0; i < start; i++)
352 if (config->entries[i]->key == key)
353 return i;
354
355 return -1;
356}
357
358static VOID print_status(Config *config, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
359 UINT64 key;
360 UINTN i;
361 CHAR16 *s;
362 CHAR8 *b;
363 UINTN x;
364 UINTN y;
365 UINTN size;
366 EFI_STATUS err;
367 UINTN color = 0;
368 const EFI_GRAPHICS_OUTPUT_BLT_PIXEL *pixel = config->background;
369
370 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
371 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
372
04155c67 373 Print(L"systemd-boot version: " VERSION "\n");
0fa2cac4
KS		 374 Print(L"architecture: " EFI_MACHINE_TYPE_NAME "\n");
375 Print(L"loaded image: %s\n", loaded_image_path);
376 Print(L"UEFI specification: %d.%02d\n", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
377 Print(L"firmware vendor: %s\n", ST->FirmwareVendor);
378 Print(L"firmware version: %d.%02d\n", ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
379
380 if (uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x, &y) == EFI_SUCCESS)
381 Print(L"console size: %d x %d\n", x, y);
382
383 if (efivar_get_raw(&global_guid, L"SecureBoot", &b, &size) == EFI_SUCCESS) {
384 Print(L"SecureBoot: %s\n", *b > 0 ? L"enabled" : L"disabled");
385 FreePool(b);
386 }
387
388 if (efivar_get_raw(&global_guid, L"SetupMode", &b, &size) == EFI_SUCCESS) {
389 Print(L"SetupMode: %s\n", *b > 0 ? L"setup" : L"user");
390 FreePool(b);
391 }
392
393 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
394 Print(L"OsIndicationsSupported: %d\n", (UINT64)*b);
395 FreePool(b);
396 }
397 Print(L"\n");
398
399 Print(L"timeout: %d\n", config->timeout_sec);
400 if (config->timeout_sec_efivar >= 0)
401 Print(L"timeout (EFI var): %d\n", config->timeout_sec_efivar);
402 Print(L"timeout (config): %d\n", config->timeout_sec_config);
403 if (config->entry_default_pattern)
404 Print(L"default pattern: '%s'\n", config->entry_default_pattern);
0fa2cac4
KS		 405 if (config->background)
406 Print(L"background '#%02x%02x%02x'\n",
a19b0678 407 config->background->Red, config->background->Green, config->background->Blue);
0fa2cac4
KS		 408 Print(L"\n");
409
410 Print(L"config entry count: %d\n", config->entry_count);
411 Print(L"entry selected idx: %d\n", config->idx_default);
412 if (config->idx_default_efivar >= 0)
413 Print(L"entry EFI var idx: %d\n", config->idx_default_efivar);
414 Print(L"\n");
415
416 if (efivar_get_int(L"LoaderConfigTimeout", &i) == EFI_SUCCESS)
417 Print(L"LoaderConfigTimeout: %d\n", i);
418 if (config->entry_oneshot)
419 Print(L"LoaderEntryOneShot: %s\n", config->entry_oneshot);
420 if (efivar_get(L"LoaderDeviceIdentifier", &s) == EFI_SUCCESS) {
421 Print(L"LoaderDeviceIdentifier: %s\n", s);
422 FreePool(s);
423 }
424 if (efivar_get(L"LoaderDevicePartUUID", &s) == EFI_SUCCESS) {
425 Print(L"LoaderDevicePartUUID: %s\n", s);
426 FreePool(s);
427 }
428 if (efivar_get(L"LoaderEntryDefault", &s) == EFI_SUCCESS) {
429 Print(L"LoaderEntryDefault: %s\n", s);
430 FreePool(s);
431 }
432
433 Print(L"\n--- press key ---\n\n");
434 console_key_read(&key, TRUE);
435
436 for (i = 0; i < config->entry_count; i++) {
437 ConfigEntry *entry;
438
439 if (key == KEYPRESS(0, SCAN_ESC, 0) || key == KEYPRESS(0, 0, 'q'))
440 break;
441
442 entry = config->entries[i];
443
444 if (entry->splash) {
a19b0678
KS		 445 UINT8 *content = NULL;
446 INTN len;
447
448 len = file_read(root_dir, entry->splash, 0, 0, &content);
449 if (len > 0) {
450 for (;;) {
451 static const EFI_GRAPHICS_OUTPUT_BLT_PIXEL colors[] = {
452 { .Red = 0xff, .Green = 0xff, .Blue = 0xff },
453 { .Red = 0xc0, .Green = 0xc0, .Blue = 0xc0 },
454 { .Red = 0xff, .Green = 0, .Blue = 0 },
455 { .Red = 0, .Green = 0xff, .Blue = 0 },
456 { .Red = 0, .Green = 0, .Blue = 0xff },
457 { .Red = 0, .Green = 0, .Blue = 0 },
458 };
459
460 err = graphics_splash(content, len, pixel);
461 if (EFI_ERROR(err))
462 break;
463
464 /* 'b' rotates through background colors */
465 console_key_read(&key, TRUE);
466 if (key != KEYPRESS(0, 0, 'b'))
467 break;
468 pixel = &colors[color++];
469 if (color == ELEMENTSOF(colors))
470 color = 0;
471 }
0fa2cac4 472 }
a19b0678
KS		 473
474 FreePool(content);
475 graphics_mode(FALSE);
476 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
0fa2cac4
KS		 477 }
478
479 Print(L"config entry: %d/%d\n", i+1, config->entry_count);
480 if (entry->file)
481 Print(L"file '%s'\n", entry->file);
482 Print(L"title show '%s'\n", entry->title_show);
483 if (entry->title)
484 Print(L"title '%s'\n", entry->title);
485 if (entry->version)
486 Print(L"version '%s'\n", entry->version);
487 if (entry->machine_id)
488 Print(L"machine-id '%s'\n", entry->machine_id);
489 if (entry->device) {
490 EFI_DEVICE_PATH *device_path;
491 CHAR16 *str;
492
493 device_path = DevicePathFromHandle(entry->device);
494 if (device_path) {
495 str = DevicePathToStr(device_path);
496 Print(L"device handle '%s'\n", str);
497 FreePool(str);
498 }
499 }
500 if (entry->loader)
501 Print(L"loader '%s'\n", entry->loader);
502 if (entry->options)
503 Print(L"options '%s'\n", entry->options);
504 if (entry->splash)
505 Print(L"splash '%s'\n", entry->splash);
506 Print(L"auto-select %s\n", entry->no_autoselect ? L"no" : L"yes");
507 if (entry->call)
508 Print(L"internal call yes\n");
509
510 Print(L"\n--- press key ---\n\n");
511 console_key_read(&key, TRUE);
512 }
513
514 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
515}
516
517static BOOLEAN menu_run(Config *config, ConfigEntry **chosen_entry, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
518 EFI_STATUS err;
519 UINTN visible_max;
520 UINTN idx_highlight;
521 UINTN idx_highlight_prev;
522 UINTN idx_first;
523 UINTN idx_last;
524 BOOLEAN refresh;
525 BOOLEAN highlight;
526 UINTN i;
527 UINTN line_width;
528 CHAR16 **lines;
529 UINTN x_start;
530 UINTN y_start;
531 UINTN x_max;
532 UINTN y_max;
533 CHAR16 *status;
534 CHAR16 *clearline;
535 INTN timeout_remain;
536 INT16 idx;
537 BOOLEAN exit = FALSE;
538 BOOLEAN run = TRUE;
539 BOOLEAN wait = FALSE;
540
541 graphics_mode(FALSE);
542 uefi_call_wrapper(ST->ConIn->Reset, 2, ST->ConIn, FALSE);
543 uefi_call_wrapper(ST->ConOut->EnableCursor, 2, ST->ConOut, FALSE);
544 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
545
546 /* draw a single character to make ClearScreen work on some firmware */
547 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L" ");
548 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
549
550 err = uefi_call_wrapper(ST->ConOut->QueryMode, 4, ST->ConOut, ST->ConOut->Mode->Mode, &x_max, &y_max);
551 if (EFI_ERROR(err)) {
552 x_max = 80;
553 y_max = 25;
554 }
555
556 /* we check 10 times per second for a keystroke */
557 if (config->timeout_sec > 0)
558 timeout_remain = config->timeout_sec * 10;
559 else
560 timeout_remain = -1;
561
562 idx_highlight = config->idx_default;
563 idx_highlight_prev = 0;
564
565 visible_max = y_max - 2;
566
567 if ((UINTN)config->idx_default >= visible_max)
568 idx_first = config->idx_default-1;
569 else
570 idx_first = 0;
571
572 idx_last = idx_first + visible_max-1;
573
574 refresh = TRUE;
575 highlight = FALSE;
576
577 /* length of the longest entry */
578 line_width = 5;
579 for (i = 0; i < config->entry_count; i++) {
580 UINTN entry_len;
581
582 entry_len = StrLen(config->entries[i]->title_show);
583 if (line_width < entry_len)
584 line_width = entry_len;
585 }
586 if (line_width > x_max-6)
587 line_width = x_max-6;
588
589 /* offsets to center the entries on the screen */
590 x_start = (x_max - (line_width)) / 2;
591 if (config->entry_count < visible_max)
592 y_start = ((visible_max - config->entry_count) / 2) + 1;
593 else
594 y_start = 0;
595
596 /* menu entries title lines */
597 lines = AllocatePool(sizeof(CHAR16 *) * config->entry_count);
598 for (i = 0; i < config->entry_count; i++) {
599 UINTN j, k;
600
601 lines[i] = AllocatePool(((x_max+1) * sizeof(CHAR16)));
602 for (j = 0; j < x_start; j++)
603 lines[i][j] = ' ';
604
605 for (k = 0; config->entries[i]->title_show[k] != '\0' && j < x_max; j++, k++)
606 lines[i][j] = config->entries[i]->title_show[k];
607
608 for (; j < x_max; j++)
609 lines[i][j] = ' ';
610 lines[i][x_max] = '\0';
611 }
612
613 status = NULL;
614 clearline = AllocatePool((x_max+1) * sizeof(CHAR16));
615 for (i = 0; i < x_max; i++)
616 clearline[i] = ' ';
617 clearline[i] = 0;
618
619 while (!exit) {
620 UINT64 key;
621
622 if (refresh) {
623 for (i = 0; i < config->entry_count; i++) {
624 if (i < idx_first || i > idx_last)
625 continue;
626 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + i - idx_first);
627 if (i == idx_highlight)
628 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
629 EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
630 else
631 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut,
632 EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
633 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[i]);
634 if ((INTN)i == config->idx_default_efivar) {
635 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + i - idx_first);
636 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
637 }
638 }
639 refresh = FALSE;
640 } else if (highlight) {
641 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight_prev - idx_first);
642 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
643 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight_prev]);
644 if ((INTN)idx_highlight_prev == config->idx_default_efivar) {
645 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight_prev - idx_first);
646 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
647 }
648
649 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_start + idx_highlight - idx_first);
650 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_BLACK|EFI_BACKGROUND_LIGHTGRAY);
651 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, lines[idx_highlight]);
652 if ((INTN)idx_highlight == config->idx_default_efivar) {
653 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, x_start-3, y_start + idx_highlight - idx_first);
654 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, L"=>");
655 }
656 highlight = FALSE;
657 }
658
659 if (timeout_remain > 0) {
660 FreePool(status);
661 status = PoolPrint(L"Boot in %d sec.", (timeout_remain + 5) / 10);
662 }
663
664 /* print status at last line of screen */
665 if (status) {
666 UINTN len;
667 UINTN x;
668
669 /* center line */
670 len = StrLen(status);
671 if (len < x_max)
672 x = (x_max - len) / 2;
673 else
674 x = 0;
675 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
676 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
677 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline + (x_max - x));
678 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, status);
679 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1 + x + len);
680 }
681
682 err = console_key_read(&key, wait);
683 if (EFI_ERROR(err)) {
684 /* timeout reached */
685 if (timeout_remain == 0) {
686 exit = TRUE;
687 break;
688 }
689
690 /* sleep and update status */
691 if (timeout_remain > 0) {
692 uefi_call_wrapper(BS->Stall, 1, 100 * 1000);
693 timeout_remain--;
694 continue;
695 }
696
697 /* timeout disabled, wait for next key */
698 wait = TRUE;
699 continue;
700 }
701
702 timeout_remain = -1;
703
704 /* clear status after keystroke */
705 if (status) {
706 FreePool(status);
707 status = NULL;
708 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
709 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
710 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
711 }
712
713 idx_highlight_prev = idx_highlight;
714
715 switch (key) {
716 case KEYPRESS(0, SCAN_UP, 0):
717 case KEYPRESS(0, 0, 'k'):
718 if (idx_highlight > 0)
719 idx_highlight--;
720 break;
721
722 case KEYPRESS(0, SCAN_DOWN, 0):
723 case KEYPRESS(0, 0, 'j'):
724 if (idx_highlight < config->entry_count-1)
725 idx_highlight++;
726 break;
727
728 case KEYPRESS(0, SCAN_HOME, 0):
729 case KEYPRESS(EFI_ALT_PRESSED, 0, '<'):
730 if (idx_highlight > 0) {
731 refresh = TRUE;
732 idx_highlight = 0;
733 }
734 break;
735
736 case KEYPRESS(0, SCAN_END, 0):
737 case KEYPRESS(EFI_ALT_PRESSED, 0, '>'):
738 if (idx_highlight < config->entry_count-1) {
739 refresh = TRUE;
740 idx_highlight = config->entry_count-1;
741 }
742 break;
743
744 case KEYPRESS(0, SCAN_PAGE_UP, 0):
745 if (idx_highlight > visible_max)
746 idx_highlight -= visible_max;
747 else
748 idx_highlight = 0;
749 break;
750
751 case KEYPRESS(0, SCAN_PAGE_DOWN, 0):
752 idx_highlight += visible_max;
753 if (idx_highlight > config->entry_count-1)
754 idx_highlight = config->entry_count-1;
755 break;
756
757 case KEYPRESS(0, 0, CHAR_LINEFEED):
758 case KEYPRESS(0, 0, CHAR_CARRIAGE_RETURN):
759 exit = TRUE;
760 break;
761
762 case KEYPRESS(0, SCAN_F1, 0):
763 case KEYPRESS(0, 0, 'h'):
764 case KEYPRESS(0, 0, '?'):
765 status = StrDuplicate(L"(d)efault, (t/T)timeout, (e)dit, (v)ersion (Q)uit (P)rint (h)elp");
766 break;
767
768 case KEYPRESS(0, 0, 'Q'):
769 exit = TRUE;
770 run = FALSE;
771 break;
772
773 case KEYPRESS(0, 0, 'd'):
774 if (config->idx_default_efivar != (INTN)idx_highlight) {
775 /* store the selected entry in a persistent EFI variable */
776 efivar_set(L"LoaderEntryDefault", config->entries[idx_highlight]->file, TRUE);
777 config->idx_default_efivar = idx_highlight;
778 status = StrDuplicate(L"Default boot entry selected.");
779 } else {
780 /* clear the default entry EFI variable */
781 efivar_set(L"LoaderEntryDefault", NULL, TRUE);
782 config->idx_default_efivar = -1;
783 status = StrDuplicate(L"Default boot entry cleared.");
784 }
785 refresh = TRUE;
786 break;
787
788 case KEYPRESS(0, 0, '-'):
789 case KEYPRESS(0, 0, 'T'):
790 if (config->timeout_sec_efivar > 0) {
791 config->timeout_sec_efivar--;
792 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
793 if (config->timeout_sec_efivar > 0)
794 status = PoolPrint(L"Menu timeout set to %d sec.", config->timeout_sec_efivar);
795 else
796 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
797 } else if (config->timeout_sec_efivar <= 0){
798 config->timeout_sec_efivar = -1;
799 efivar_set(L"LoaderConfigTimeout", NULL, TRUE);
800 if (config->timeout_sec_config > 0)
801 status = PoolPrint(L"Menu timeout of %d sec is defined by configuration file.",
802 config->timeout_sec_config);
803 else
804 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
805 }
806 break;
807
808 case KEYPRESS(0, 0, '+'):
809 case KEYPRESS(0, 0, 't'):
810 if (config->timeout_sec_efivar == -1 && config->timeout_sec_config == 0)
811 config->timeout_sec_efivar++;
812 config->timeout_sec_efivar++;
813 efivar_set_int(L"LoaderConfigTimeout", config->timeout_sec_efivar, TRUE);
814 if (config->timeout_sec_efivar > 0)
815 status = PoolPrint(L"Menu timeout set to %d sec.",
816 config->timeout_sec_efivar);
817 else
818 status = StrDuplicate(L"Menu disabled. Hold down key at bootup to show menu.");
819 break;
820
821 case KEYPRESS(0, 0, 'e'):
822 /* only the options of configured entries can be edited */
823 if (config->entries[idx_highlight]->type == LOADER_UNDEFINED)
824 break;
825 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_LIGHTGRAY|EFI_BACKGROUND_BLACK);
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 if (line_edit(config->entries[idx_highlight]->options, &config->options_edit, x_max-1, y_max-1))
829 exit = TRUE;
830 uefi_call_wrapper(ST->ConOut->SetCursorPosition, 3, ST->ConOut, 0, y_max-1);
831 uefi_call_wrapper(ST->ConOut->OutputString, 2, ST->ConOut, clearline+1);
832 break;
833
834 case KEYPRESS(0, 0, 'v'):
e7dd673d 835 status = PoolPrint(L"systemd-boot " VERSION " (" EFI_MACHINE_TYPE_NAME "), UEFI Specification %d.%02d, Vendor %s %d.%02d",
0fa2cac4
KS		 836 ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff,
837 ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
838 break;
839
840 case KEYPRESS(0, 0, 'P'):
841 print_status(config, root_dir, loaded_image_path);
842 refresh = TRUE;
843 break;
844
845 case KEYPRESS(EFI_CONTROL_PRESSED, 0, 'l'):
846 case KEYPRESS(EFI_CONTROL_PRESSED, 0, CHAR_CTRL('l')):
847 refresh = TRUE;
848 break;
849
850 default:
851 /* jump with a hotkey directly to a matching entry */
852 idx = entry_lookup_key(config, idx_highlight+1, KEYCHAR(key));
853 if (idx < 0)
854 break;
855 idx_highlight = idx;
856 refresh = TRUE;
857 }
858
859 if (idx_highlight > idx_last) {
860 idx_last = idx_highlight;
861 idx_first = 1 + idx_highlight - visible_max;
862 refresh = TRUE;
863 }
864 if (idx_highlight < idx_first) {
865 idx_first = idx_highlight;
866 idx_last = idx_highlight + visible_max-1;
867 refresh = TRUE;
868 }
869
870 idx_last = idx_first + visible_max-1;
871
872 if (!refresh && idx_highlight != idx_highlight_prev)
873 highlight = TRUE;
874 }
875
876 *chosen_entry = config->entries[idx_highlight];
877
878 for (i = 0; i < config->entry_count; i++)
879 FreePool(lines[i]);
880 FreePool(lines);
881 FreePool(clearline);
882
883 uefi_call_wrapper(ST->ConOut->SetAttribute, 2, ST->ConOut, EFI_WHITE|EFI_BACKGROUND_BLACK);
884 uefi_call_wrapper(ST->ConOut->ClearScreen, 1, ST->ConOut);
885 return run;
886}
887
888static VOID config_add_entry(Config *config, ConfigEntry *entry) {
889 if ((config->entry_count & 15) == 0) {
890 UINTN i;
891
892 i = config->entry_count + 16;
893 if (config->entry_count == 0)
894 config->entries = AllocatePool(sizeof(VOID *) * i);
895 else
896 config->entries = ReallocatePool(config->entries,
897 sizeof(VOID *) * config->entry_count, sizeof(VOID *) * i);
898 }
899 config->entries[config->entry_count++] = entry;
900}
901
902static VOID config_entry_free(ConfigEntry *entry) {
903 FreePool(entry->title_show);
904 FreePool(entry->title);
905 FreePool(entry->machine_id);
906 FreePool(entry->loader);
907 FreePool(entry->options);
908}
909
910static BOOLEAN is_digit(CHAR16 c)
911{
912 return (c >= '0') && (c <= '9');
913}
914
915static UINTN c_order(CHAR16 c)
916{
917 if (c == '\0')
918 return 0;
919 if (is_digit(c))
920 return 0;
921 else if ((c >= 'a') && (c <= 'z'))
922 return c;
923 else
924 return c + 0x10000;
925}
926
927static INTN str_verscmp(CHAR16 *s1, CHAR16 *s2)
928{
929 CHAR16 *os1 = s1;
930 CHAR16 *os2 = s2;
931
932 while (*s1 || *s2) {
933 INTN first;
934
935 while ((*s1 && !is_digit(*s1)) || (*s2 && !is_digit(*s2))) {
936 INTN order;
937
938 order = c_order(*s1) - c_order(*s2);
939 if (order)
940 return order;
941 s1++;
942 s2++;
943 }
944
945 while (*s1 == '0')
946 s1++;
947 while (*s2 == '0')
948 s2++;
949
950 first = 0;
951 while (is_digit(*s1) && is_digit(*s2)) {
952 if (first == 0)
953 first = *s1 - *s2;
954 s1++;
955 s2++;
956 }
957
958 if (is_digit(*s1))
959 return 1;
960 if (is_digit(*s2))
961 return -1;
962
963 if (first)
964 return first;
965 }
966
967 return StrCmp(os1, os2);
968}
969
970static CHAR8 *line_get_key_value(CHAR8 *content, CHAR8 *sep, UINTN *pos, CHAR8 **key_ret, CHAR8 **value_ret) {
971 CHAR8 *line;
972 UINTN linelen;
973 CHAR8 *value;
974
975skip:
976 line = content + *pos;
977 if (*line == '\0')
978 return NULL;
979
980 linelen = 0;
981 while (line[linelen] && !strchra((CHAR8 *)"\n\r", line[linelen]))
982 linelen++;
983
984 /* move pos to next line */
985 *pos += linelen;
986 if (content[*pos])
987 (*pos)++;
988
989 /* empty line */
990 if (linelen == 0)
991 goto skip;
992
993 /* terminate line */
994 line[linelen] = '\0';
995
996 /* remove leading whitespace */
997 while (strchra((CHAR8 *)" \t", *line)) {
998 line++;
999 linelen--;
1000 }
1001
1002 /* remove trailing whitespace */
1003 while (linelen > 0 && strchra(sep, line[linelen-1]))
1004 linelen--;
1005 line[linelen] = '\0';
1006
1007 if (*line == '#')
1008 goto skip;
1009
1010 /* split key/value */
1011 value = line;
1012 while (*value && !strchra(sep, *value))
1013 value++;
1014 if (*value == '\0')
1015 goto skip;
1016 *value = '\0';
1017 value++;
1018 while (*value && strchra(sep, *value))
1019 value++;
1020
1021 /* unquote */
1022 if (value[0] == '\"' && line[linelen-1] == '\"') {
1023 value++;
1024 line[linelen-1] = '\0';
1025 }
1026
1027 *key_ret = line;
1028 *value_ret = value;
1029 return line;
1030}
1031
1032static VOID config_defaults_load_from_file(Config *config, CHAR8 *content) {
1033 CHAR8 *line;
1034 UINTN pos = 0;
1035 CHAR8 *key, *value;
1036
1037 line = content;
1038 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1039 if (strcmpa((CHAR8 *)"timeout", key) == 0) {
1040 CHAR16 *s;
1041
1042 s = stra_to_str(value);
1043 config->timeout_sec_config = Atoi(s);
1044 config->timeout_sec = config->timeout_sec_config;
1045 FreePool(s);
1046 continue;
1047 }
1048
1049 if (strcmpa((CHAR8 *)"default", key) == 0) {
1050 FreePool(config->entry_default_pattern);
1051 config->entry_default_pattern = stra_to_str(value);
1052 StrLwr(config->entry_default_pattern);
1053 continue;
1054 }
0fa2cac4
KS		 1055 }
1056}
1057
1058static VOID config_entry_add_from_file(Config *config, EFI_HANDLE *device, CHAR16 *file, CHAR8 *content, CHAR16 *loaded_image_path) {
1059 ConfigEntry *entry;
1060 CHAR8 *line;
1061 UINTN pos = 0;
1062 CHAR8 *key, *value;
1063 UINTN len;
1064 CHAR16 *initrd = NULL;
1065
1066 entry = AllocateZeroPool(sizeof(ConfigEntry));
1067
1068 line = content;
1069 while ((line = line_get_key_value(content, (CHAR8 *)" \t", &pos, &key, &value))) {
1070 if (strcmpa((CHAR8 *)"title", key) == 0) {
1071 FreePool(entry->title);
1072 entry->title = stra_to_str(value);
1073 continue;
1074 }
1075
1076 if (strcmpa((CHAR8 *)"version", key) == 0) {
1077 FreePool(entry->version);
1078 entry->version = stra_to_str(value);
1079 continue;
1080 }
1081
1082 if (strcmpa((CHAR8 *)"machine-id", key) == 0) {
1083 FreePool(entry->machine_id);
1084 entry->machine_id = stra_to_str(value);
1085 continue;
1086 }
1087
1088 if (strcmpa((CHAR8 *)"linux", key) == 0) {
1089 FreePool(entry->loader);
1090 entry->type = LOADER_LINUX;
1091 entry->loader = stra_to_path(value);
1092 entry->key = 'l';
1093 continue;
1094 }
1095
1096 if (strcmpa((CHAR8 *)"efi", key) == 0) {
1097 entry->type = LOADER_EFI;
1098 FreePool(entry->loader);
1099 entry->loader = stra_to_path(value);
1100
1101 /* do not add an entry for ourselves */
1102 if (StriCmp(entry->loader, loaded_image_path) == 0) {
1103 entry->type = LOADER_UNDEFINED;
1104 break;
1105 }
1106 continue;
1107 }
1108
1109 if (strcmpa((CHAR8 *)"architecture", key) == 0) {
1110 /* do not add an entry for an EFI image of architecture not matching with that of the image */
1111 if (strcmpa((CHAR8 *)EFI_MACHINE_TYPE_NAME, value) != 0) {
1112 entry->type = LOADER_UNDEFINED;
1113 break;
1114 }
1115 continue;
1116 }
1117
1118 if (strcmpa((CHAR8 *)"initrd", key) == 0) {
1119 CHAR16 *new;
1120
1121 new = stra_to_path(value);
1122 if (initrd) {
1123 CHAR16 *s;
1124
1125 s = PoolPrint(L"%s initrd=%s", initrd, new);
1126 FreePool(initrd);
1127 initrd = s;
1128 } else
1129 initrd = PoolPrint(L"initrd=%s", new);
1130 FreePool(new);
1131 continue;
1132 }
1133
1134 if (strcmpa((CHAR8 *)"options", key) == 0) {
1135 CHAR16 *new;
1136
1137 new = stra_to_str(value);
1138 if (entry->options) {
1139 CHAR16 *s;
1140
1141 s = PoolPrint(L"%s %s", entry->options, new);
1142 FreePool(entry->options);
1143 entry->options = s;
1144 } else {
1145 entry->options = new;
1146 new = NULL;
1147 }
1148 FreePool(new);
1149 continue;
1150 }
1151
1152 if (strcmpa((CHAR8 *)"splash", key) == 0) {
1153 FreePool(entry->splash);
1154 entry->splash = stra_to_path(value);
1155 continue;
1156 }
1157 }
1158
1159 if (entry->type == LOADER_UNDEFINED) {
1160 config_entry_free(entry);
1161 FreePool(initrd);
1162 FreePool(entry);
1163 return;
1164 }
1165
1166 /* add initrd= to options */
1167 if (entry->type == LOADER_LINUX && initrd) {
1168 if (entry->options) {
1169 CHAR16 *s;
1170
1171 s = PoolPrint(L"%s %s", initrd, entry->options);
1172 FreePool(entry->options);
1173 entry->options = s;
1174 } else {
1175 entry->options = initrd;
1176 initrd = NULL;
1177 }
1178 }
1179 FreePool(initrd);
1180
1181 if (entry->machine_id) {
1182 CHAR16 *var;
1183
1184 /* append additional options from EFI variables for this machine-id */
1185 var = PoolPrint(L"LoaderEntryOptions-%s", entry->machine_id);
1186 if (var) {
1187 CHAR16 *s;
1188
1189 if (efivar_get(var, &s) == EFI_SUCCESS) {
1190 if (entry->options) {
1191 CHAR16 *s2;
1192
1193 s2 = PoolPrint(L"%s %s", entry->options, s);
1194 FreePool(entry->options);
1195 entry->options = s2;
1196 } else
1197 entry->options = s;
1198 }
1199 FreePool(var);
1200 }
1201
1202 var = PoolPrint(L"LoaderEntryOptionsOneShot-%s", entry->machine_id);
1203 if (var) {
1204 CHAR16 *s;
1205
1206 if (efivar_get(var, &s) == EFI_SUCCESS) {
1207 if (entry->options) {
1208 CHAR16 *s2;
1209
1210 s2 = PoolPrint(L"%s %s", entry->options, s);
1211 FreePool(entry->options);
1212 entry->options = s2;
1213 } else
1214 entry->options = s;
1215 efivar_set(var, NULL, TRUE);
1216 }
1217 FreePool(var);
1218 }
1219 }
1220
1221 entry->device = device;
1222 entry->file = StrDuplicate(file);
1223 len = StrLen(entry->file);
1224 /* remove ".conf" */
1225 if (len > 5)
1226 entry->file[len - 5] = '\0';
1227 StrLwr(entry->file);
1228
1229 config_add_entry(config, entry);
1230}
1231
1232static VOID config_load(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path) {
1233 EFI_FILE_HANDLE entries_dir;
1234 EFI_STATUS err;
1235 CHAR8 *content = NULL;
1236 UINTN sec;
1237 UINTN len;
1238 UINTN i;
1239
1240 len = file_read(root_dir, L"\\loader\\loader.conf", 0, 0, &content);
1241 if (len > 0)
1242 config_defaults_load_from_file(config, content);
1243 FreePool(content);
1244
1245 err = efivar_get_int(L"LoaderConfigTimeout", &sec);
1246 if (!EFI_ERROR(err)) {
1247 config->timeout_sec_efivar = sec;
1248 config->timeout_sec = sec;
1249 } else
1250 config->timeout_sec_efivar = -1;
1251
1252 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &entries_dir, L"\\loader\\entries", EFI_FILE_MODE_READ, 0ULL);
1253 if (!EFI_ERROR(err)) {
1254 for (;;) {
1255 CHAR16 buf[256];
1256 UINTN bufsize;
1257 EFI_FILE_INFO *f;
1258 CHAR8 *content = NULL;
1259 UINTN len;
1260
1261 bufsize = sizeof(buf);
1262 err = uefi_call_wrapper(entries_dir->Read, 3, entries_dir, &bufsize, buf);
1263 if (bufsize == 0 || EFI_ERROR(err))
1264 break;
1265
1266 f = (EFI_FILE_INFO *) buf;
1267 if (f->FileName[0] == '.')
1268 continue;
1269 if (f->Attribute & EFI_FILE_DIRECTORY)
1270 continue;
1271 len = StrLen(f->FileName);
1272 if (len < 6)
1273 continue;
1274 if (StriCmp(f->FileName + len - 5, L".conf") != 0)
1275 continue;
1276
1277 len = file_read(entries_dir, f->FileName, 0, 0, &content);
1278 if (len > 0)
1279 config_entry_add_from_file(config, device, f->FileName, content, loaded_image_path);
1280 FreePool(content);
1281 }
1282 uefi_call_wrapper(entries_dir->Close, 1, entries_dir);
1283 }
1284
1285 /* sort entries after version number */
1286 for (i = 1; i < config->entry_count; i++) {
1287 BOOLEAN more;
1288 UINTN k;
1289
1290 more = FALSE;
1291 for (k = 0; k < config->entry_count - i; k++) {
1292 ConfigEntry *entry;
1293
1294 if (str_verscmp(config->entries[k]->file, config->entries[k+1]->file) <= 0)
1295 continue;
1296 entry = config->entries[k];
1297 config->entries[k] = config->entries[k+1];
1298 config->entries[k+1] = entry;
1299 more = TRUE;
1300 }
1301 if (!more)
1302 break;
1303 }
1304}
1305
1306static VOID config_default_entry_select(Config *config) {
1307 CHAR16 *var;
1308 EFI_STATUS err;
1309 UINTN i;
1310
1311 /*
1312 * The EFI variable to specify a boot entry for the next, and only the
1313 * next reboot. The variable is always cleared directly after it is read.
1314 */
1315 err = efivar_get(L"LoaderEntryOneShot", &var);
1316 if (!EFI_ERROR(err)) {
1317 BOOLEAN found = FALSE;
1318
1319 for (i = 0; i < config->entry_count; i++) {
1320 if (StrCmp(config->entries[i]->file, var) == 0) {
1321 config->idx_default = i;
1322 found = TRUE;
1323 break;
1324 }
1325 }
1326
1327 config->entry_oneshot = StrDuplicate(var);
1328 efivar_set(L"LoaderEntryOneShot", NULL, TRUE);
1329 FreePool(var);
1330 if (found)
1331 return;
1332 }
1333
1334 /*
1335 * The EFI variable to select the default boot entry overrides the
1336 * configured pattern. The variable can be set and cleared by pressing
1337 * the 'd' key in the loader selection menu, the entry is marked with
1338 * an '*'.
1339 */
1340 err = efivar_get(L"LoaderEntryDefault", &var);
1341 if (!EFI_ERROR(err)) {
1342 BOOLEAN found = FALSE;
1343
1344 for (i = 0; i < config->entry_count; i++) {
1345 if (StrCmp(config->entries[i]->file, var) == 0) {
1346 config->idx_default = i;
1347 config->idx_default_efivar = i;
1348 found = TRUE;
1349 break;
1350 }
1351 }
1352 FreePool(var);
1353 if (found)
1354 return;
1355 }
1356 config->idx_default_efivar = -1;
1357
1358 if (config->entry_count == 0)
1359 return;
1360
1361 /*
1362 * Match the pattern from the end of the list to the start, find last
1363 * entry (largest number) matching the given pattern.
1364 */
1365 if (config->entry_default_pattern) {
1366 i = config->entry_count;
1367 while (i--) {
1368 if (config->entries[i]->no_autoselect)
1369 continue;
1370 if (MetaiMatch(config->entries[i]->file, config->entry_default_pattern)) {
1371 config->idx_default = i;
1372 return;
1373 }
1374 }
1375 }
1376
1377 /* select the last suitable entry */
1378 i = config->entry_count;
1379 while (i--) {
1380 if (config->entries[i]->no_autoselect)
1381 continue;
1382 config->idx_default = i;
1383 return;
1384 }
1385
1386 /* no entry found */
1387 config->idx_default = -1;
1388}
1389
1390/* generate a unique title, avoiding non-distinguishable menu entries */
1391static VOID config_title_generate(Config *config) {
1392 UINTN i, k;
1393 BOOLEAN unique;
1394
1395 /* set title */
1396 for (i = 0; i < config->entry_count; i++) {
1397 CHAR16 *title;
1398
1399 FreePool(config->entries[i]->title_show);
1400 title = config->entries[i]->title;
1401 if (!title)
1402 title = config->entries[i]->file;
1403 config->entries[i]->title_show = StrDuplicate(title);
1404 }
1405
1406 unique = TRUE;
1407 for (i = 0; i < config->entry_count; i++) {
1408 for (k = 0; k < config->entry_count; k++) {
1409 if (i == k)
1410 continue;
1411 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1412 continue;
1413
1414 unique = FALSE;
1415 config->entries[i]->non_unique = TRUE;
1416 config->entries[k]->non_unique = TRUE;
1417 }
1418 }
1419 if (unique)
1420 return;
1421
1422 /* add version to non-unique titles */
1423 for (i = 0; i < config->entry_count; i++) {
1424 CHAR16 *s;
1425
1426 if (!config->entries[i]->non_unique)
1427 continue;
1428 if (!config->entries[i]->version)
1429 continue;
1430
1431 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->version);
1432 FreePool(config->entries[i]->title_show);
1433 config->entries[i]->title_show = s;
1434 config->entries[i]->non_unique = FALSE;
1435 }
1436
1437 unique = TRUE;
1438 for (i = 0; i < config->entry_count; i++) {
1439 for (k = 0; k < config->entry_count; k++) {
1440 if (i == k)
1441 continue;
1442 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1443 continue;
1444
1445 unique = FALSE;
1446 config->entries[i]->non_unique = TRUE;
1447 config->entries[k]->non_unique = TRUE;
1448 }
1449 }
1450 if (unique)
1451 return;
1452
1453 /* add machine-id to non-unique titles */
1454 for (i = 0; i < config->entry_count; i++) {
1455 CHAR16 *s;
1456 CHAR16 *m;
1457
1458 if (!config->entries[i]->non_unique)
1459 continue;
1460 if (!config->entries[i]->machine_id)
1461 continue;
1462
1463 m = StrDuplicate(config->entries[i]->machine_id);
1464 m[8] = '\0';
1465 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, m);
1466 FreePool(config->entries[i]->title_show);
1467 config->entries[i]->title_show = s;
1468 config->entries[i]->non_unique = FALSE;
1469 FreePool(m);
1470 }
1471
1472 unique = TRUE;
1473 for (i = 0; i < config->entry_count; i++) {
1474 for (k = 0; k < config->entry_count; k++) {
1475 if (i == k)
1476 continue;
1477 if (StrCmp(config->entries[i]->title_show, config->entries[k]->title_show) != 0)
1478 continue;
1479
1480 unique = FALSE;
1481 config->entries[i]->non_unique = TRUE;
1482 config->entries[k]->non_unique = TRUE;
1483 }
1484 }
1485 if (unique)
1486 return;
1487
1488 /* add file name to non-unique titles */
1489 for (i = 0; i < config->entry_count; i++) {
1490 CHAR16 *s;
1491
1492 if (!config->entries[i]->non_unique)
1493 continue;
1494 s = PoolPrint(L"%s (%s)", config->entries[i]->title_show, config->entries[i]->file);
1495 FreePool(config->entries[i]->title_show);
1496 config->entries[i]->title_show = s;
1497 config->entries[i]->non_unique = FALSE;
1498 }
1499}
1500
1501static BOOLEAN config_entry_add_call(Config *config, CHAR16 *title, EFI_STATUS (*call)(VOID)) {
1502 ConfigEntry *entry;
1503
1504 entry = AllocateZeroPool(sizeof(ConfigEntry));
1505 entry->title = StrDuplicate(title);
1506 entry->call = call;
1507 entry->no_autoselect = TRUE;
1508 config_add_entry(config, entry);
1509 return TRUE;
1510}
1511
1512static ConfigEntry *config_entry_add_loader(Config *config, EFI_HANDLE *device,
1513 enum loader_type type,CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1514 ConfigEntry *entry;
1515
1516 entry = AllocateZeroPool(sizeof(ConfigEntry));
1517 entry->type = type;
1518 entry->title = StrDuplicate(title);
1519 entry->device = device;
1520 entry->loader = StrDuplicate(loader);
1521 entry->file = StrDuplicate(file);
1522 StrLwr(entry->file);
1523 entry->key = key;
1524 config_add_entry(config, entry);
1525
1526 return entry;
1527}
1528
1529static BOOLEAN config_entry_add_loader_auto(Config *config, EFI_HANDLE *device, EFI_FILE *root_dir, CHAR16 *loaded_image_path,
1530 CHAR16 *file, CHAR16 key, CHAR16 *title, CHAR16 *loader) {
1531 EFI_FILE_HANDLE handle;
1532 ConfigEntry *entry;
1533 EFI_STATUS err;
1534
1535 /* do not add an entry for ourselves */
1536 if (loaded_image_path && StriCmp(loader, loaded_image_path) == 0)
1537 return FALSE;
1538
1539 /* check existence */
1540 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &handle, loader, EFI_FILE_MODE_READ, 0ULL);
1541 if (EFI_ERROR(err))
1542 return FALSE;
1543 uefi_call_wrapper(handle->Close, 1, handle);
1544
1545 entry = config_entry_add_loader(config, device, LOADER_UNDEFINED, file, key, title, loader);
1546 if (!entry)
1547 return FALSE;
1548
1549 /* do not boot right away into auto-detected entries */
1550 entry->no_autoselect = TRUE;
1551
0fa2cac4
KS		 1552 /* export identifiers of automatically added entries */
1553 if (config->entries_auto) {
1554 CHAR16 *s;
1555
1556 s = PoolPrint(L"%s %s", config->entries_auto, file);
1557 FreePool(config->entries_auto);
1558 config->entries_auto = s;
1559 } else
1560 config->entries_auto = StrDuplicate(file);
1561
1562 return TRUE;
1563}
1564
1565static VOID config_entry_add_osx(Config *config) {
1566 EFI_STATUS err;
1567 UINTN handle_count = 0;
1568 EFI_HANDLE *handles = NULL;
1569
1570 err = LibLocateHandle(ByProtocol, &FileSystemProtocol, NULL, &handle_count, &handles);
1571 if (!EFI_ERROR(err)) {
1572 UINTN i;
1573
1574 for (i = 0; i < handle_count; i++) {
1575 EFI_FILE *root;
1576 BOOLEAN found;
1577
1578 root = LibOpenRoot(handles[i]);
1579 if (!root)
1580 continue;
1581 found = config_entry_add_loader_auto(config, handles[i], root, NULL, L"auto-osx", 'a', L"OS X",
1582 L"\\System\\Library\\CoreServices\\boot.efi");
1583 uefi_call_wrapper(root->Close, 1, root);
1584 if (found)
1585 break;
1586 }
1587
1588 FreePool(handles);
1589 }
1590}
1591
1592static VOID config_entry_add_linux( Config *config, EFI_LOADED_IMAGE *loaded_image, EFI_FILE *root_dir) {
1593 EFI_FILE_HANDLE linux_dir;
1594 EFI_STATUS err;
1595
1596 err = uefi_call_wrapper(root_dir->Open, 5, root_dir, &linux_dir, L"\\EFI\\Linux", EFI_FILE_MODE_READ, 0ULL);
1597 if (!EFI_ERROR(err)) {
1598 for (;;) {
1599 CHAR16 buf[256];
1600 UINTN bufsize;
1601 EFI_FILE_INFO *f;
1602 CHAR8 *sections[] = {
1603 (UINT8 *)".osrel",
1604 NULL
1605 };
1606 UINTN offs[ELEMENTSOF(sections)-1] = {};
1607 UINTN szs[ELEMENTSOF(sections)-1] = {};
1608 UINTN addrs[ELEMENTSOF(sections)-1] = {};
1609 CHAR8 *content = NULL;
1610 UINTN len;
1611 CHAR8 *line;
1612 UINTN pos = 0;
1613 CHAR8 *key, *value;
1614 CHAR16 *os_name = NULL;
1615 CHAR16 *os_id = NULL;
1616 CHAR16 *os_version = NULL;
1617
1618 bufsize = sizeof(buf);
1619 err = uefi_call_wrapper(linux_dir->Read, 3, linux_dir, &bufsize, buf);
1620 if (bufsize == 0 || EFI_ERROR(err))
1621 break;
1622
1623 f = (EFI_FILE_INFO *) buf;
1624 if (f->FileName[0] == '.')
1625 continue;
1626 if (f->Attribute & EFI_FILE_DIRECTORY)
1627 continue;
1628 len = StrLen(f->FileName);
1629 if (len < 5)
1630 continue;
1631 if (StriCmp(f->FileName + len - 4, L".efi") != 0)
1632 continue;
1633
1634 /* look for an .osrel section in the .efi binary */
1635 err = pefile_locate_sections(linux_dir, f->FileName, sections, addrs, offs, szs);
1636 if (EFI_ERROR(err))
1637 continue;
1638
1639 len = file_read(linux_dir, f->FileName, offs[0], szs[0], &content);
1640 if (len <= 0)
1641 continue;
1642
1643 /* read properties from the embedded os-release file */
1644 line = content;
1645 while ((line = line_get_key_value(content, (CHAR8 *)"=", &pos, &key, &value))) {
1646 if (strcmpa((CHAR8 *)"PRETTY_NAME", key) == 0) {
1647 os_name = stra_to_str(value);
1648 continue;
1649 }
1650
1651 if (strcmpa((CHAR8 *)"ID", key) == 0) {
1652 os_id = stra_to_str(value);
1653 continue;
1654 }
1655
1656 if (strcmpa((CHAR8 *)"VERSION_ID", key) == 0) {
1657 os_version = stra_to_str(value);
1658 continue;
1659 }
1660 }
1661
1662 if (os_name && os_id && os_version) {
1663 CHAR16 *conf;
1664 CHAR16 *path;
1665
1666 conf = PoolPrint(L"%s-%s", os_id, os_version);
1667 path = PoolPrint(L"\\EFI\\Linux\\%s", f->FileName);
1668 config_entry_add_loader(config, loaded_image->DeviceHandle, LOADER_LINUX, conf, 'l', os_name, path);
1669 FreePool(conf);
1670 FreePool(path);
1671 FreePool(os_name);
1672 FreePool(os_id);
1673 FreePool(os_version);
1674 }
1675
1676 FreePool(content);
1677 }
1678 uefi_call_wrapper(linux_dir->Close, 1, linux_dir);
1679 }
1680}
1681
1682static EFI_STATUS image_start(EFI_HANDLE parent_image, const Config *config, const ConfigEntry *entry) {
1683 EFI_HANDLE image;
1684 EFI_DEVICE_PATH *path;
1685 CHAR16 *options;
1686 EFI_STATUS err;
1687
1688 path = FileDevicePath(entry->device, entry->loader);
1689 if (!path) {
1690 Print(L"Error getting device path.");
1691 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1692 return EFI_INVALID_PARAMETER;
1693 }
1694
1695 err = uefi_call_wrapper(BS->LoadImage, 6, FALSE, parent_image, path, NULL, 0, &image);
1696 if (EFI_ERROR(err)) {
1697 Print(L"Error loading %s: %r", entry->loader, err);
1698 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1699 goto out;
1700 }
1701
1702 if (config->options_edit)
1703 options = config->options_edit;
1704 else if (entry->options)
1705 options = entry->options;
1706 else
1707 options = NULL;
1708 if (options) {
1709 EFI_LOADED_IMAGE *loaded_image;
1710
1711 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1712 parent_image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1713 if (EFI_ERROR(err)) {
1714 Print(L"Error getting LoadedImageProtocol handle: %r", err);
1715 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1716 goto out_unload;
1717 }
1718 loaded_image->LoadOptions = options;
1719 loaded_image->LoadOptionsSize = (StrLen(loaded_image->LoadOptions)+1) * sizeof(CHAR16);
1720 }
1721
1722 efivar_set_time_usec(L"LoaderTimeExecUSec", 0);
1723 err = uefi_call_wrapper(BS->StartImage, 3, image, NULL, NULL);
1724out_unload:
1725 uefi_call_wrapper(BS->UnloadImage, 1, image);
1726out:
1727 FreePool(path);
1728 return err;
1729}
1730
1731static EFI_STATUS reboot_into_firmware(VOID) {
1732 CHAR8 *b;
1733 UINTN size;
1734 UINT64 osind;
1735 EFI_STATUS err;
1736
1737 osind = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
1738
1739 err = efivar_get_raw(&global_guid, L"OsIndications", &b, &size);
1740 if (!EFI_ERROR(err))
1741 osind |= (UINT64)*b;
1742 FreePool(b);
1743
1744 err = efivar_set_raw(&global_guid, L"OsIndications", (CHAR8 *)&osind, sizeof(UINT64), TRUE);
1745 if (EFI_ERROR(err))
1746 return err;
1747
1748 err = uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL);
1749 Print(L"Error calling ResetSystem: %r", err);
1750 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1751 return err;
1752}
1753
1754static VOID config_free(Config *config) {
1755 UINTN i;
1756
1757 for (i = 0; i < config->entry_count; i++)
1758 config_entry_free(config->entries[i]);
1759 FreePool(config->entries);
1760 FreePool(config->entry_default_pattern);
1761 FreePool(config->options_edit);
1762 FreePool(config->entry_oneshot);
1763 FreePool(config->entries_auto);
0fa2cac4
KS		 1764 FreePool(config->background);
1765}
1766
1767EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *sys_table) {
1768 CHAR16 *s;
1769 CHAR8 *b;
1770 UINTN size;
1771 EFI_LOADED_IMAGE *loaded_image;
1772 EFI_FILE *root_dir;
1773 CHAR16 *loaded_image_path;
1774 EFI_DEVICE_PATH *device_path;
1775 EFI_STATUS err;
1776 Config config;
1777 UINT64 init_usec;
1778 BOOLEAN menu = FALSE;
1779
1780 InitializeLib(image, sys_table);
1781 init_usec = time_usec();
1782 efivar_set_time_usec(L"LoaderTimeInitUSec", init_usec);
e7dd673d 1783 efivar_set(L"LoaderInfo", L"systemd-boot " VERSION, FALSE);
0fa2cac4
KS		 1784 s = PoolPrint(L"%s %d.%02d", ST->FirmwareVendor, ST->FirmwareRevision >> 16, ST->FirmwareRevision & 0xffff);
1785 efivar_set(L"LoaderFirmwareInfo", s, FALSE);
1786 FreePool(s);
1787 s = PoolPrint(L"UEFI %d.%02d", ST->Hdr.Revision >> 16, ST->Hdr.Revision & 0xffff);
1788 efivar_set(L"LoaderFirmwareType", s, FALSE);
1789 FreePool(s);
1790
1791 err = uefi_call_wrapper(BS->OpenProtocol, 6, image, &LoadedImageProtocol, (VOID **)&loaded_image,
1792 image, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
1793 if (EFI_ERROR(err)) {
1794 Print(L"Error getting a LoadedImageProtocol handle: %r ", err);
1795 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1796 return err;
1797 }
1798
1799 /* export the device path this image is started from */
1800 device_path = DevicePathFromHandle(loaded_image->DeviceHandle);
1801 if (device_path) {
1802 CHAR16 *str;
1803 EFI_DEVICE_PATH *path, *paths;
1804
1805 str = DevicePathToStr(device_path);
1806 efivar_set(L"LoaderDeviceIdentifier", str, FALSE);
1807 FreePool(str);
1808
1809 paths = UnpackDevicePath(device_path);
1810 for (path = paths; !IsDevicePathEnd(path); path = NextDevicePathNode(path)) {
1811 HARDDRIVE_DEVICE_PATH *drive;
1812 CHAR16 uuid[37];
1813
1814 if (DevicePathType(path) != MEDIA_DEVICE_PATH)
1815 continue;
1816 if (DevicePathSubType(path) != MEDIA_HARDDRIVE_DP)
1817 continue;
1818 drive = (HARDDRIVE_DEVICE_PATH *)path;
1819 if (drive->SignatureType != SIGNATURE_TYPE_GUID)
1820 continue;
1821
1822 GuidToString(uuid, (EFI_GUID *)&drive->Signature);
1823 efivar_set(L"LoaderDevicePartUUID", uuid, FALSE);
1824 break;
1825 }
1826 FreePool(paths);
1827 }
1828
1829 root_dir = LibOpenRoot(loaded_image->DeviceHandle);
1830 if (!root_dir) {
1831 Print(L"Unable to open root directory: %r ", err);
1832 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1833 return EFI_LOAD_ERROR;
1834 }
1835
1836
1837 /* the filesystem path to this image, to prevent adding ourselves to the menu */
1838 loaded_image_path = DevicePathToStr(loaded_image->FilePath);
1839 efivar_set(L"LoaderImageIdentifier", loaded_image_path, FALSE);
1840
1841 /* scan "\loader\entries\*.conf" files */
1842 ZeroMem(&config, sizeof(Config));
1843 config_load(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path);
1844
1845 if (!config.background) {
1846 config.background = AllocateZeroPool(sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
1847 if (StriCmp(L"Apple", ST->FirmwareVendor) == 0) {
1848 config.background->Red = 0xc0;
1849 config.background->Green = 0xc0;
1850 config.background->Blue = 0xc0;
1851 }
1852 }
1853
1854 /* if we find some well-known loaders, add them to the end of the list */
1855 config_entry_add_linux(&config, loaded_image, root_dir);
1856 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1857 L"auto-windows", 'w', L"Windows Boot Manager", L"\\EFI\\Microsoft\\Boot\\bootmgfw.efi");
1858 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1859 L"auto-efi-shell", 's', L"EFI Shell", L"\\shell" EFI_MACHINE_TYPE_NAME ".efi");
1860 config_entry_add_loader_auto(&config, loaded_image->DeviceHandle, root_dir, loaded_image_path,
1861 L"auto-efi-default", '\0', L"EFI Default Loader", L"\\EFI\\Boot\\boot" EFI_MACHINE_TYPE_NAME ".efi");
1862 config_entry_add_osx(&config);
1863 efivar_set(L"LoaderEntriesAuto", config.entries_auto, FALSE);
1864
1865 if (efivar_get_raw(&global_guid, L"OsIndicationsSupported", &b, &size) == EFI_SUCCESS) {
1866 UINT64 osind = (UINT64)*b;
1867
1868 if (osind & EFI_OS_INDICATIONS_BOOT_TO_FW_UI)
1869 config_entry_add_call(&config, L"Reboot Into Firmware Interface", reboot_into_firmware);
1870 FreePool(b);
1871 }
1872
1873 if (config.entry_count == 0) {
1874 Print(L"No loader found. Configuration files in \\loader\\entries\\*.conf are needed.");
1875 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1876 goto out;
1877 }
1878
1879 config_title_generate(&config);
1880
1881 /* select entry by configured pattern or EFI LoaderDefaultEntry= variable*/
1882 config_default_entry_select(&config);
1883
1884 /* if no configured entry to select from was found, enable the menu */
1885 if (config.idx_default == -1) {
1886 config.idx_default = 0;
1887 if (config.timeout_sec == 0)
1888 config.timeout_sec = 10;
1889 }
1890
1891 /* select entry or show menu when key is pressed or timeout is set */
1892 if (config.timeout_sec == 0) {
1893 UINT64 key;
1894
1895 err = console_key_read(&key, FALSE);
1896 if (!EFI_ERROR(err)) {
1897 INT16 idx;
1898
1899 /* find matching key in config entries */
1900 idx = entry_lookup_key(&config, config.idx_default, KEYCHAR(key));
1901 if (idx >= 0)
1902 config.idx_default = idx;
1903 else
1904 menu = TRUE;
1905 }
1906 } else
1907 menu = TRUE;
1908
1909 for (;;) {
1910 ConfigEntry *entry;
1911
1912 entry = config.entries[config.idx_default];
1913 if (menu) {
1914 efivar_set_time_usec(L"LoaderTimeMenuUSec", 0);
1915 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 0, 0x10000, 0, NULL);
1916 if (!menu_run(&config, &entry, root_dir, loaded_image_path))
1917 break;
1918
1919 /* run special entry like "reboot" */
1920 if (entry->call) {
1921 entry->call();
1922 continue;
1923 }
a19b0678
KS		 1924 } else if (entry->splash) {
1925 UINT8 *content = NULL;
1926 INTN len;
0fa2cac4 1927
a19b0678
KS		 1928 len = file_read(root_dir, entry->splash, 0, 0, &content);
1929 if (len > 0)
1930 graphics_splash(content, len, config.background);
0fa2cac4 1931
a19b0678 1932 FreePool(content);
0fa2cac4
KS		 1933 }
1934
1935 /* export the selected boot entry to the system */
1936 efivar_set(L"LoaderEntrySelected", entry->file, FALSE);
1937
1938 uefi_call_wrapper(BS->SetWatchdogTimer, 4, 5 * 60, 0x10000, 0, NULL);
1939 err = image_start(image, &config, entry);
20b1538d
KS		 1940 if (EFI_ERROR(err)) {
1941 Print(L"\nFailed to execute %s (%s): %r\n", entry->title, entry->loader, err);
0fa2cac4
KS		 1942 uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000);
1943 goto out;
1944 }
1945
1946 menu = TRUE;
1947 config.timeout_sec = 0;
1948 }
1949 err = EFI_SUCCESS;
1950out:
1951 FreePool(loaded_image_path);
1952 config_free(&config);
1953 uefi_call_wrapper(root_dir->Close, 1, root_dir);
1954 uefi_call_wrapper(BS->CloseProtocol, 4, image, &LoadedImageProtocol, image, NULL);
1955 return err;
1956}
Unnamed repository; edit this file 'description' to name the repository.