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Commit | Line | Data |
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bee91169 AG |
1 | /* |
2 | * EFI application boot time services | |
3 | * | |
4 | * Copyright (c) 2016 Alexander Graf | |
5 | * | |
6 | * SPDX-License-Identifier: GPL-2.0+ | |
7 | */ | |
8 | ||
bee91169 AG |
9 | #include <common.h> |
10 | #include <efi_loader.h> | |
11 | #include <malloc.h> | |
12 | #include <asm/global_data.h> | |
13 | #include <libfdt_env.h> | |
14 | #include <u-boot/crc.h> | |
15 | #include <bootm.h> | |
16 | #include <inttypes.h> | |
17 | #include <watchdog.h> | |
18 | ||
19 | DECLARE_GLOBAL_DATA_PTR; | |
20 | ||
21 | /* This list contains all the EFI objects our payload has access to */ | |
22 | LIST_HEAD(efi_obj_list); | |
23 | ||
24 | /* | |
25 | * If we're running on nasty systems (32bit ARM booting into non-EFI Linux) | |
26 | * we need to do trickery with caches. Since we don't want to break the EFI | |
27 | * aware boot path, only apply hacks when loading exiting directly (breaking | |
28 | * direct Linux EFI booting along the way - oh well). | |
29 | */ | |
30 | static bool efi_is_direct_boot = true; | |
31 | ||
32 | /* | |
33 | * EFI can pass arbitrary additional "tables" containing vendor specific | |
34 | * information to the payload. One such table is the FDT table which contains | |
35 | * a pointer to a flattened device tree blob. | |
36 | * | |
37 | * In most cases we want to pass an FDT to the payload, so reserve one slot of | |
38 | * config table space for it. The pointer gets populated by do_bootefi_exec(). | |
39 | */ | |
3c63db9c | 40 | static struct efi_configuration_table __efi_runtime_data efi_conf_table[2]; |
bee91169 | 41 | |
65e4c0b1 | 42 | #ifdef CONFIG_ARM |
bee91169 AG |
43 | /* |
44 | * The "gd" pointer lives in a register on ARM and AArch64 that we declare | |
45 | * fixed when compiling U-Boot. However, the payload does not know about that | |
46 | * restriction so we need to manually swap its and our view of that register on | |
47 | * EFI callback entry/exit. | |
48 | */ | |
49 | static volatile void *efi_gd, *app_gd; | |
65e4c0b1 | 50 | #endif |
bee91169 AG |
51 | |
52 | /* Called from do_bootefi_exec() */ | |
53 | void efi_save_gd(void) | |
54 | { | |
65e4c0b1 | 55 | #ifdef CONFIG_ARM |
bee91169 | 56 | efi_gd = gd; |
65e4c0b1 | 57 | #endif |
bee91169 AG |
58 | } |
59 | ||
60 | /* Called on every callback entry */ | |
61 | void efi_restore_gd(void) | |
62 | { | |
65e4c0b1 | 63 | #ifdef CONFIG_ARM |
bee91169 AG |
64 | /* Only restore if we're already in EFI context */ |
65 | if (!efi_gd) | |
66 | return; | |
67 | ||
68 | if (gd != efi_gd) | |
69 | app_gd = gd; | |
70 | gd = efi_gd; | |
65e4c0b1 | 71 | #endif |
bee91169 AG |
72 | } |
73 | ||
74 | /* Called on every callback exit */ | |
75 | efi_status_t efi_exit_func(efi_status_t ret) | |
76 | { | |
65e4c0b1 | 77 | #ifdef CONFIG_ARM |
bee91169 | 78 | gd = app_gd; |
65e4c0b1 SG |
79 | #endif |
80 | ||
bee91169 AG |
81 | return ret; |
82 | } | |
83 | ||
c6841592 | 84 | static void efi_signal_event(struct efi_event *event) |
85 | { | |
86 | if (event->signaled) | |
87 | return; | |
88 | event->signaled = 1; | |
89 | if (event->type & EVT_NOTIFY_SIGNAL) { | |
90 | EFI_EXIT(EFI_SUCCESS); | |
91 | event->notify_function(event, event->notify_context); | |
92 | EFI_ENTRY("returning from notification function"); | |
93 | } | |
94 | } | |
95 | ||
bee91169 AG |
96 | static efi_status_t efi_unsupported(const char *funcname) |
97 | { | |
edcef3ba | 98 | debug("EFI: App called into unimplemented function %s\n", funcname); |
bee91169 AG |
99 | return EFI_EXIT(EFI_UNSUPPORTED); |
100 | } | |
101 | ||
102 | static int guidcmp(const efi_guid_t *g1, const efi_guid_t *g2) | |
103 | { | |
104 | return memcmp(g1, g2, sizeof(efi_guid_t)); | |
105 | } | |
106 | ||
503f2695 | 107 | static unsigned long EFIAPI efi_raise_tpl(UINTN new_tpl) |
bee91169 | 108 | { |
503f2695 | 109 | EFI_ENTRY("0x%zx", new_tpl); |
bee91169 AG |
110 | return EFI_EXIT(0); |
111 | } | |
112 | ||
503f2695 | 113 | static void EFIAPI efi_restore_tpl(UINTN old_tpl) |
bee91169 | 114 | { |
503f2695 | 115 | EFI_ENTRY("0x%zx", old_tpl); |
bee91169 AG |
116 | EFI_EXIT(efi_unsupported(__func__)); |
117 | } | |
118 | ||
6e0bf8d8 MY |
119 | static efi_status_t EFIAPI efi_allocate_pages_ext(int type, int memory_type, |
120 | unsigned long pages, | |
121 | uint64_t *memory) | |
bee91169 AG |
122 | { |
123 | efi_status_t r; | |
124 | ||
125 | EFI_ENTRY("%d, %d, 0x%lx, %p", type, memory_type, pages, memory); | |
126 | r = efi_allocate_pages(type, memory_type, pages, memory); | |
127 | return EFI_EXIT(r); | |
128 | } | |
129 | ||
6e0bf8d8 MY |
130 | static efi_status_t EFIAPI efi_free_pages_ext(uint64_t memory, |
131 | unsigned long pages) | |
bee91169 AG |
132 | { |
133 | efi_status_t r; | |
134 | ||
135 | EFI_ENTRY("%"PRIx64", 0x%lx", memory, pages); | |
136 | r = efi_free_pages(memory, pages); | |
137 | return EFI_EXIT(r); | |
138 | } | |
139 | ||
6e0bf8d8 MY |
140 | static efi_status_t EFIAPI efi_get_memory_map_ext( |
141 | unsigned long *memory_map_size, | |
142 | struct efi_mem_desc *memory_map, | |
143 | unsigned long *map_key, | |
144 | unsigned long *descriptor_size, | |
145 | uint32_t *descriptor_version) | |
bee91169 AG |
146 | { |
147 | efi_status_t r; | |
148 | ||
149 | EFI_ENTRY("%p, %p, %p, %p, %p", memory_map_size, memory_map, | |
150 | map_key, descriptor_size, descriptor_version); | |
151 | r = efi_get_memory_map(memory_map_size, memory_map, map_key, | |
152 | descriptor_size, descriptor_version); | |
153 | return EFI_EXIT(r); | |
154 | } | |
155 | ||
ead1274b SB |
156 | static efi_status_t EFIAPI efi_allocate_pool_ext(int pool_type, |
157 | unsigned long size, | |
158 | void **buffer) | |
bee91169 | 159 | { |
1cd29f0a AG |
160 | efi_status_t r; |
161 | ||
162 | EFI_ENTRY("%d, %ld, %p", pool_type, size, buffer); | |
ead1274b | 163 | r = efi_allocate_pool(pool_type, size, buffer); |
1cd29f0a | 164 | return EFI_EXIT(r); |
bee91169 AG |
165 | } |
166 | ||
42417bc8 | 167 | static efi_status_t EFIAPI efi_free_pool_ext(void *buffer) |
bee91169 | 168 | { |
1cd29f0a AG |
169 | efi_status_t r; |
170 | ||
171 | EFI_ENTRY("%p", buffer); | |
42417bc8 | 172 | r = efi_free_pool(buffer); |
1cd29f0a | 173 | return EFI_EXIT(r); |
bee91169 AG |
174 | } |
175 | ||
176 | /* | |
c6841592 | 177 | * Our event capabilities are very limited. Only a small limited |
178 | * number of events is allowed to coexist. | |
bee91169 | 179 | */ |
c6841592 | 180 | static struct efi_event efi_events[16]; |
bee91169 | 181 | |
49deb455 | 182 | efi_status_t efi_create_event(enum efi_event_type type, UINTN notify_tpl, |
183 | void (EFIAPI *notify_function) ( | |
2fd945fe | 184 | struct efi_event *event, |
185 | void *context), | |
49deb455 | 186 | void *notify_context, struct efi_event **event) |
bee91169 | 187 | { |
c6841592 | 188 | int i; |
189 | ||
a95343b8 | 190 | if (event == NULL) |
49deb455 | 191 | return EFI_INVALID_PARAMETER; |
a95343b8 JG |
192 | |
193 | if ((type & EVT_NOTIFY_SIGNAL) && (type & EVT_NOTIFY_WAIT)) | |
49deb455 | 194 | return EFI_INVALID_PARAMETER; |
a95343b8 JG |
195 | |
196 | if ((type & (EVT_NOTIFY_SIGNAL|EVT_NOTIFY_WAIT)) && | |
197 | notify_function == NULL) | |
49deb455 | 198 | return EFI_INVALID_PARAMETER; |
a95343b8 | 199 | |
c6841592 | 200 | for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { |
201 | if (efi_events[i].type) | |
202 | continue; | |
203 | efi_events[i].type = type; | |
204 | efi_events[i].notify_tpl = notify_tpl; | |
205 | efi_events[i].notify_function = notify_function; | |
206 | efi_events[i].notify_context = notify_context; | |
207 | /* Disable timers on bootup */ | |
208 | efi_events[i].trigger_next = -1ULL; | |
209 | efi_events[i].signaled = 0; | |
210 | *event = &efi_events[i]; | |
49deb455 | 211 | return EFI_SUCCESS; |
c6841592 | 212 | } |
49deb455 | 213 | return EFI_OUT_OF_RESOURCES; |
bee91169 AG |
214 | } |
215 | ||
49deb455 | 216 | static efi_status_t EFIAPI efi_create_event_ext( |
217 | enum efi_event_type type, UINTN notify_tpl, | |
218 | void (EFIAPI *notify_function) ( | |
219 | struct efi_event *event, | |
220 | void *context), | |
221 | void *notify_context, struct efi_event **event) | |
222 | { | |
223 | EFI_ENTRY("%d, 0x%zx, %p, %p", type, notify_tpl, notify_function, | |
224 | notify_context); | |
225 | return EFI_EXIT(efi_create_event(type, notify_tpl, notify_function, | |
226 | notify_context, event)); | |
227 | } | |
228 | ||
229 | ||
bee91169 AG |
230 | /* |
231 | * Our timers have to work without interrupts, so we check whenever keyboard | |
232 | * input or disk accesses happen if enough time elapsed for it to fire. | |
233 | */ | |
234 | void efi_timer_check(void) | |
235 | { | |
c6841592 | 236 | int i; |
bee91169 AG |
237 | u64 now = timer_get_us(); |
238 | ||
c6841592 | 239 | for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { |
240 | if (!efi_events[i].type || | |
241 | !(efi_events[i].type & EVT_TIMER) || | |
242 | efi_events[i].trigger_type == EFI_TIMER_STOP || | |
243 | now < efi_events[i].trigger_next) | |
244 | continue; | |
245 | if (efi_events[i].trigger_type == EFI_TIMER_PERIODIC) { | |
246 | efi_events[i].trigger_next += | |
247 | efi_events[i].trigger_time / 10; | |
248 | efi_events[i].signaled = 0; | |
249 | } | |
250 | efi_signal_event(&efi_events[i]); | |
bee91169 | 251 | } |
bee91169 AG |
252 | WATCHDOG_RESET(); |
253 | } | |
254 | ||
2fd945fe | 255 | static efi_status_t EFIAPI efi_set_timer(struct efi_event *event, int type, |
bee91169 AG |
256 | uint64_t trigger_time) |
257 | { | |
258 | /* We don't have 64bit division available everywhere, so limit timer | |
259 | * distances to 32bit bits. */ | |
260 | u32 trigger32 = trigger_time; | |
c6841592 | 261 | int i; |
bee91169 AG |
262 | |
263 | EFI_ENTRY("%p, %d, %"PRIx64, event, type, trigger_time); | |
264 | ||
265 | if (trigger32 < trigger_time) { | |
266 | printf("WARNING: Truncating timer from %"PRIx64" to %x\n", | |
267 | trigger_time, trigger32); | |
268 | } | |
269 | ||
c6841592 | 270 | for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { |
271 | if (event != &efi_events[i]) | |
272 | continue; | |
bee91169 | 273 | |
c6841592 | 274 | if (!(event->type & EVT_TIMER)) |
275 | break; | |
276 | switch (type) { | |
277 | case EFI_TIMER_STOP: | |
278 | event->trigger_next = -1ULL; | |
279 | break; | |
280 | case EFI_TIMER_PERIODIC: | |
281 | case EFI_TIMER_RELATIVE: | |
282 | event->trigger_next = | |
283 | timer_get_us() + (trigger32 / 10); | |
284 | break; | |
285 | default: | |
286 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
287 | } | |
288 | event->trigger_type = type; | |
289 | event->trigger_time = trigger_time; | |
290 | return EFI_EXIT(EFI_SUCCESS); | |
bee91169 | 291 | } |
c6841592 | 292 | return EFI_EXIT(EFI_INVALID_PARAMETER); |
bee91169 AG |
293 | } |
294 | ||
295 | static efi_status_t EFIAPI efi_wait_for_event(unsigned long num_events, | |
2fd945fe | 296 | struct efi_event **event, |
297 | unsigned long *index) | |
bee91169 | 298 | { |
c6841592 | 299 | int i, j; |
bee91169 AG |
300 | |
301 | EFI_ENTRY("%ld, %p, %p", num_events, event, index); | |
302 | ||
c6841592 | 303 | /* Check parameters */ |
304 | if (!num_events || !event) | |
305 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
306 | for (i = 0; i < num_events; ++i) { | |
307 | for (j = 0; j < ARRAY_SIZE(efi_events); ++j) { | |
308 | if (event[i] == &efi_events[j]) | |
309 | goto known_event; | |
310 | } | |
311 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
312 | known_event: | |
313 | if (!event[i]->type || event[i]->type & EVT_NOTIFY_SIGNAL) | |
314 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
315 | } | |
316 | ||
317 | /* Wait for signal */ | |
318 | for (;;) { | |
319 | for (i = 0; i < num_events; ++i) { | |
320 | if (event[i]->signaled) | |
321 | goto out; | |
322 | } | |
323 | /* Allow events to occur. */ | |
324 | efi_timer_check(); | |
325 | } | |
326 | ||
327 | out: | |
328 | /* | |
329 | * Reset the signal which is passed to the caller to allow periodic | |
330 | * events to occur. | |
331 | */ | |
332 | event[i]->signaled = 0; | |
333 | if (index) | |
334 | *index = i; | |
bee91169 AG |
335 | |
336 | return EFI_EXIT(EFI_SUCCESS); | |
337 | } | |
338 | ||
c6841592 | 339 | static efi_status_t EFIAPI efi_signal_event_ext(struct efi_event *event) |
bee91169 | 340 | { |
c6841592 | 341 | int i; |
342 | ||
bee91169 | 343 | EFI_ENTRY("%p", event); |
c6841592 | 344 | for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { |
345 | if (event != &efi_events[i]) | |
346 | continue; | |
347 | efi_signal_event(event); | |
348 | break; | |
349 | } | |
bee91169 AG |
350 | return EFI_EXIT(EFI_SUCCESS); |
351 | } | |
352 | ||
2fd945fe | 353 | static efi_status_t EFIAPI efi_close_event(struct efi_event *event) |
bee91169 | 354 | { |
c6841592 | 355 | int i; |
356 | ||
bee91169 | 357 | EFI_ENTRY("%p", event); |
c6841592 | 358 | for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { |
359 | if (event == &efi_events[i]) { | |
360 | event->type = 0; | |
361 | event->trigger_next = -1ULL; | |
362 | event->signaled = 0; | |
363 | return EFI_EXIT(EFI_SUCCESS); | |
364 | } | |
365 | } | |
366 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
bee91169 AG |
367 | } |
368 | ||
2fd945fe | 369 | static efi_status_t EFIAPI efi_check_event(struct efi_event *event) |
bee91169 | 370 | { |
c6841592 | 371 | int i; |
372 | ||
bee91169 | 373 | EFI_ENTRY("%p", event); |
c6841592 | 374 | efi_timer_check(); |
375 | for (i = 0; i < ARRAY_SIZE(efi_events); ++i) { | |
376 | if (event != &efi_events[i]) | |
377 | continue; | |
378 | if (!event->type || event->type & EVT_NOTIFY_SIGNAL) | |
379 | break; | |
380 | if (event->signaled) | |
381 | return EFI_EXIT(EFI_SUCCESS); | |
382 | return EFI_EXIT(EFI_NOT_READY); | |
383 | } | |
384 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
bee91169 AG |
385 | } |
386 | ||
387 | static efi_status_t EFIAPI efi_install_protocol_interface(void **handle, | |
388 | efi_guid_t *protocol, int protocol_interface_type, | |
389 | void *protocol_interface) | |
390 | { | |
e0549f8a | 391 | struct list_head *lhandle; |
392 | int i; | |
393 | efi_status_t r; | |
394 | ||
e0549f8a | 395 | if (!handle || !protocol || |
396 | protocol_interface_type != EFI_NATIVE_INTERFACE) { | |
397 | r = EFI_INVALID_PARAMETER; | |
398 | goto out; | |
399 | } | |
400 | ||
401 | /* Create new handle if requested. */ | |
402 | if (!*handle) { | |
403 | r = EFI_OUT_OF_RESOURCES; | |
404 | goto out; | |
405 | } | |
406 | /* Find object. */ | |
407 | list_for_each(lhandle, &efi_obj_list) { | |
408 | struct efi_object *efiobj; | |
409 | efiobj = list_entry(lhandle, struct efi_object, link); | |
410 | ||
411 | if (efiobj->handle != *handle) | |
412 | continue; | |
413 | /* Check if protocol is already installed on the handle. */ | |
414 | for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { | |
415 | struct efi_handler *handler = &efiobj->protocols[i]; | |
416 | ||
417 | if (!handler->guid) | |
418 | continue; | |
419 | if (!guidcmp(handler->guid, protocol)) { | |
420 | r = EFI_INVALID_PARAMETER; | |
421 | goto out; | |
422 | } | |
423 | } | |
424 | /* Install protocol in first empty slot. */ | |
425 | for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { | |
426 | struct efi_handler *handler = &efiobj->protocols[i]; | |
427 | ||
428 | if (handler->guid) | |
429 | continue; | |
430 | ||
431 | handler->guid = protocol; | |
432 | handler->protocol_interface = protocol_interface; | |
433 | r = EFI_SUCCESS; | |
434 | goto out; | |
435 | } | |
436 | r = EFI_OUT_OF_RESOURCES; | |
437 | goto out; | |
438 | } | |
439 | r = EFI_INVALID_PARAMETER; | |
440 | out: | |
8bee5a3c | 441 | return r; |
442 | } | |
443 | ||
444 | static efi_status_t EFIAPI efi_install_protocol_interface_ext(void **handle, | |
445 | efi_guid_t *protocol, int protocol_interface_type, | |
446 | void *protocol_interface) | |
447 | { | |
448 | EFI_ENTRY("%p, %p, %d, %p", handle, protocol, protocol_interface_type, | |
449 | protocol_interface); | |
450 | ||
451 | return EFI_EXIT(efi_install_protocol_interface(handle, protocol, | |
452 | protocol_interface_type, | |
453 | protocol_interface)); | |
bee91169 | 454 | } |
e0549f8a | 455 | |
bee91169 AG |
456 | static efi_status_t EFIAPI efi_reinstall_protocol_interface(void *handle, |
457 | efi_guid_t *protocol, void *old_interface, | |
458 | void *new_interface) | |
459 | { | |
460 | EFI_ENTRY("%p, %p, %p, %p", handle, protocol, old_interface, | |
461 | new_interface); | |
462 | return EFI_EXIT(EFI_ACCESS_DENIED); | |
463 | } | |
464 | ||
465 | static efi_status_t EFIAPI efi_uninstall_protocol_interface(void *handle, | |
466 | efi_guid_t *protocol, void *protocol_interface) | |
467 | { | |
4b6ed0d7 | 468 | struct list_head *lhandle; |
469 | int i; | |
470 | efi_status_t r = EFI_NOT_FOUND; | |
471 | ||
4b6ed0d7 | 472 | if (!handle || !protocol) { |
473 | r = EFI_INVALID_PARAMETER; | |
474 | goto out; | |
475 | } | |
476 | ||
477 | list_for_each(lhandle, &efi_obj_list) { | |
478 | struct efi_object *efiobj; | |
479 | efiobj = list_entry(lhandle, struct efi_object, link); | |
480 | ||
481 | if (efiobj->handle != handle) | |
482 | continue; | |
483 | ||
484 | for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { | |
485 | struct efi_handler *handler = &efiobj->protocols[i]; | |
486 | const efi_guid_t *hprotocol = handler->guid; | |
487 | ||
488 | if (!hprotocol) | |
489 | continue; | |
490 | if (!guidcmp(hprotocol, protocol)) { | |
491 | if (handler->protocol_interface) { | |
492 | r = EFI_ACCESS_DENIED; | |
493 | } else { | |
494 | handler->guid = 0; | |
495 | r = EFI_SUCCESS; | |
496 | } | |
497 | goto out; | |
498 | } | |
499 | } | |
500 | } | |
501 | ||
502 | out: | |
3d8e1456 | 503 | return r; |
504 | } | |
505 | ||
506 | static efi_status_t EFIAPI efi_uninstall_protocol_interface_ext(void *handle, | |
507 | efi_guid_t *protocol, void *protocol_interface) | |
508 | { | |
509 | EFI_ENTRY("%p, %p, %p", handle, protocol, protocol_interface); | |
510 | ||
511 | return EFI_EXIT(efi_uninstall_protocol_interface(handle, protocol, | |
512 | protocol_interface)); | |
bee91169 AG |
513 | } |
514 | ||
515 | static efi_status_t EFIAPI efi_register_protocol_notify(efi_guid_t *protocol, | |
2fd945fe | 516 | struct efi_event *event, |
bee91169 AG |
517 | void **registration) |
518 | { | |
519 | EFI_ENTRY("%p, %p, %p", protocol, event, registration); | |
520 | return EFI_EXIT(EFI_OUT_OF_RESOURCES); | |
521 | } | |
522 | ||
523 | static int efi_search(enum efi_locate_search_type search_type, | |
524 | efi_guid_t *protocol, void *search_key, | |
525 | struct efi_object *efiobj) | |
526 | { | |
527 | int i; | |
528 | ||
529 | switch (search_type) { | |
530 | case all_handles: | |
531 | return 0; | |
532 | case by_register_notify: | |
533 | return -1; | |
534 | case by_protocol: | |
535 | for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { | |
536 | const efi_guid_t *guid = efiobj->protocols[i].guid; | |
537 | if (guid && !guidcmp(guid, protocol)) | |
538 | return 0; | |
539 | } | |
540 | return -1; | |
541 | } | |
542 | ||
543 | return -1; | |
544 | } | |
545 | ||
546 | static efi_status_t EFIAPI efi_locate_handle( | |
547 | enum efi_locate_search_type search_type, | |
548 | efi_guid_t *protocol, void *search_key, | |
549 | unsigned long *buffer_size, efi_handle_t *buffer) | |
550 | { | |
551 | struct list_head *lhandle; | |
552 | unsigned long size = 0; | |
553 | ||
bee91169 AG |
554 | /* Count how much space we need */ |
555 | list_for_each(lhandle, &efi_obj_list) { | |
556 | struct efi_object *efiobj; | |
557 | efiobj = list_entry(lhandle, struct efi_object, link); | |
558 | if (!efi_search(search_type, protocol, search_key, efiobj)) { | |
559 | size += sizeof(void*); | |
560 | } | |
561 | } | |
562 | ||
563 | if (*buffer_size < size) { | |
564 | *buffer_size = size; | |
26329584 | 565 | return EFI_BUFFER_TOO_SMALL; |
bee91169 AG |
566 | } |
567 | ||
568 | /* Then fill the array */ | |
569 | list_for_each(lhandle, &efi_obj_list) { | |
570 | struct efi_object *efiobj; | |
571 | efiobj = list_entry(lhandle, struct efi_object, link); | |
572 | if (!efi_search(search_type, protocol, search_key, efiobj)) { | |
573 | *(buffer++) = efiobj->handle; | |
574 | } | |
575 | } | |
576 | ||
577 | *buffer_size = size; | |
26329584 | 578 | return EFI_SUCCESS; |
579 | } | |
580 | ||
581 | static efi_status_t EFIAPI efi_locate_handle_ext( | |
582 | enum efi_locate_search_type search_type, | |
583 | efi_guid_t *protocol, void *search_key, | |
584 | unsigned long *buffer_size, efi_handle_t *buffer) | |
585 | { | |
586 | EFI_ENTRY("%d, %p, %p, %p, %p", search_type, protocol, search_key, | |
587 | buffer_size, buffer); | |
588 | ||
589 | return EFI_EXIT(efi_locate_handle(search_type, protocol, search_key, | |
590 | buffer_size, buffer)); | |
bee91169 AG |
591 | } |
592 | ||
593 | static efi_status_t EFIAPI efi_locate_device_path(efi_guid_t *protocol, | |
594 | struct efi_device_path **device_path, | |
595 | efi_handle_t *device) | |
596 | { | |
597 | EFI_ENTRY("%p, %p, %p", protocol, device_path, device); | |
598 | return EFI_EXIT(EFI_NOT_FOUND); | |
599 | } | |
600 | ||
488bf12d | 601 | efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table) |
bee91169 AG |
602 | { |
603 | int i; | |
604 | ||
bee91169 AG |
605 | /* Check for guid override */ |
606 | for (i = 0; i < systab.nr_tables; i++) { | |
607 | if (!guidcmp(guid, &efi_conf_table[i].guid)) { | |
608 | efi_conf_table[i].table = table; | |
488bf12d | 609 | return EFI_SUCCESS; |
bee91169 AG |
610 | } |
611 | } | |
612 | ||
613 | /* No override, check for overflow */ | |
614 | if (i >= ARRAY_SIZE(efi_conf_table)) | |
488bf12d | 615 | return EFI_OUT_OF_RESOURCES; |
bee91169 AG |
616 | |
617 | /* Add a new entry */ | |
618 | memcpy(&efi_conf_table[i].guid, guid, sizeof(*guid)); | |
619 | efi_conf_table[i].table = table; | |
aba5e919 | 620 | systab.nr_tables = i + 1; |
bee91169 | 621 | |
488bf12d AG |
622 | return EFI_SUCCESS; |
623 | } | |
624 | ||
625 | static efi_status_t EFIAPI efi_install_configuration_table_ext(efi_guid_t *guid, | |
626 | void *table) | |
627 | { | |
628 | EFI_ENTRY("%p, %p", guid, table); | |
629 | return EFI_EXIT(efi_install_configuration_table(guid, table)); | |
bee91169 AG |
630 | } |
631 | ||
632 | static efi_status_t EFIAPI efi_load_image(bool boot_policy, | |
633 | efi_handle_t parent_image, | |
634 | struct efi_device_path *file_path, | |
635 | void *source_buffer, | |
636 | unsigned long source_size, | |
637 | efi_handle_t *image_handle) | |
638 | { | |
639 | static struct efi_object loaded_image_info_obj = { | |
640 | .protocols = { | |
641 | { | |
642 | .guid = &efi_guid_loaded_image, | |
bee91169 AG |
643 | }, |
644 | }, | |
645 | }; | |
646 | struct efi_loaded_image *info; | |
647 | struct efi_object *obj; | |
648 | ||
649 | EFI_ENTRY("%d, %p, %p, %p, %ld, %p", boot_policy, parent_image, | |
650 | file_path, source_buffer, source_size, image_handle); | |
651 | info = malloc(sizeof(*info)); | |
b5349f74 | 652 | loaded_image_info_obj.protocols[0].protocol_interface = info; |
bee91169 AG |
653 | obj = malloc(sizeof(loaded_image_info_obj)); |
654 | memset(info, 0, sizeof(*info)); | |
655 | memcpy(obj, &loaded_image_info_obj, sizeof(loaded_image_info_obj)); | |
656 | obj->handle = info; | |
657 | info->file_path = file_path; | |
658 | info->reserved = efi_load_pe(source_buffer, info); | |
659 | if (!info->reserved) { | |
660 | free(info); | |
661 | free(obj); | |
662 | return EFI_EXIT(EFI_UNSUPPORTED); | |
663 | } | |
664 | ||
665 | *image_handle = info; | |
666 | list_add_tail(&obj->link, &efi_obj_list); | |
667 | ||
668 | return EFI_EXIT(EFI_SUCCESS); | |
669 | } | |
670 | ||
671 | static efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle, | |
672 | unsigned long *exit_data_size, | |
673 | s16 **exit_data) | |
674 | { | |
675 | ulong (*entry)(void *image_handle, struct efi_system_table *st); | |
676 | struct efi_loaded_image *info = image_handle; | |
677 | ||
678 | EFI_ENTRY("%p, %p, %p", image_handle, exit_data_size, exit_data); | |
679 | entry = info->reserved; | |
680 | ||
681 | efi_is_direct_boot = false; | |
682 | ||
683 | /* call the image! */ | |
a86aeaf2 AG |
684 | if (setjmp(&info->exit_jmp)) { |
685 | /* We returned from the child image */ | |
686 | return EFI_EXIT(info->exit_status); | |
687 | } | |
688 | ||
bee91169 AG |
689 | entry(image_handle, &systab); |
690 | ||
691 | /* Should usually never get here */ | |
692 | return EFI_EXIT(EFI_SUCCESS); | |
693 | } | |
694 | ||
a86aeaf2 AG |
695 | static efi_status_t EFIAPI efi_exit(efi_handle_t image_handle, |
696 | efi_status_t exit_status, unsigned long exit_data_size, | |
697 | int16_t *exit_data) | |
bee91169 | 698 | { |
a86aeaf2 AG |
699 | struct efi_loaded_image *loaded_image_info = (void*)image_handle; |
700 | ||
bee91169 AG |
701 | EFI_ENTRY("%p, %ld, %ld, %p", image_handle, exit_status, |
702 | exit_data_size, exit_data); | |
a86aeaf2 AG |
703 | |
704 | loaded_image_info->exit_status = exit_status; | |
692fcdd8 | 705 | longjmp(&loaded_image_info->exit_jmp, 1); |
a86aeaf2 AG |
706 | |
707 | panic("EFI application exited"); | |
bee91169 AG |
708 | } |
709 | ||
710 | static struct efi_object *efi_search_obj(void *handle) | |
711 | { | |
712 | struct list_head *lhandle; | |
713 | ||
714 | list_for_each(lhandle, &efi_obj_list) { | |
715 | struct efi_object *efiobj; | |
716 | efiobj = list_entry(lhandle, struct efi_object, link); | |
717 | if (efiobj->handle == handle) | |
718 | return efiobj; | |
719 | } | |
720 | ||
721 | return NULL; | |
722 | } | |
723 | ||
724 | static efi_status_t EFIAPI efi_unload_image(void *image_handle) | |
725 | { | |
726 | struct efi_object *efiobj; | |
727 | ||
728 | EFI_ENTRY("%p", image_handle); | |
729 | efiobj = efi_search_obj(image_handle); | |
730 | if (efiobj) | |
731 | list_del(&efiobj->link); | |
732 | ||
733 | return EFI_EXIT(EFI_SUCCESS); | |
734 | } | |
735 | ||
736 | static void efi_exit_caches(void) | |
737 | { | |
738 | #if defined(CONFIG_ARM) && !defined(CONFIG_ARM64) | |
739 | /* | |
740 | * Grub on 32bit ARM needs to have caches disabled before jumping into | |
741 | * a zImage, but does not know of all cache layers. Give it a hand. | |
742 | */ | |
743 | if (efi_is_direct_boot) | |
744 | cleanup_before_linux(); | |
745 | #endif | |
746 | } | |
747 | ||
748 | static efi_status_t EFIAPI efi_exit_boot_services(void *image_handle, | |
749 | unsigned long map_key) | |
750 | { | |
751 | EFI_ENTRY("%p, %ld", image_handle, map_key); | |
752 | ||
b7b8410a AG |
753 | board_quiesce_devices(); |
754 | ||
bee91169 AG |
755 | /* Fix up caches for EFI payloads if necessary */ |
756 | efi_exit_caches(); | |
757 | ||
758 | /* This stops all lingering devices */ | |
759 | bootm_disable_interrupts(); | |
760 | ||
761 | /* Give the payload some time to boot */ | |
762 | WATCHDOG_RESET(); | |
763 | ||
764 | return EFI_EXIT(EFI_SUCCESS); | |
765 | } | |
766 | ||
767 | static efi_status_t EFIAPI efi_get_next_monotonic_count(uint64_t *count) | |
768 | { | |
769 | static uint64_t mono = 0; | |
770 | EFI_ENTRY("%p", count); | |
771 | *count = mono++; | |
772 | return EFI_EXIT(EFI_SUCCESS); | |
773 | } | |
774 | ||
775 | static efi_status_t EFIAPI efi_stall(unsigned long microseconds) | |
776 | { | |
777 | EFI_ENTRY("%ld", microseconds); | |
778 | udelay(microseconds); | |
779 | return EFI_EXIT(EFI_SUCCESS); | |
780 | } | |
781 | ||
782 | static efi_status_t EFIAPI efi_set_watchdog_timer(unsigned long timeout, | |
783 | uint64_t watchdog_code, | |
784 | unsigned long data_size, | |
785 | uint16_t *watchdog_data) | |
786 | { | |
787 | EFI_ENTRY("%ld, 0x%"PRIx64", %ld, %p", timeout, watchdog_code, | |
788 | data_size, watchdog_data); | |
789 | return EFI_EXIT(efi_unsupported(__func__)); | |
790 | } | |
791 | ||
792 | static efi_status_t EFIAPI efi_connect_controller( | |
793 | efi_handle_t controller_handle, | |
794 | efi_handle_t *driver_image_handle, | |
795 | struct efi_device_path *remain_device_path, | |
796 | bool recursive) | |
797 | { | |
798 | EFI_ENTRY("%p, %p, %p, %d", controller_handle, driver_image_handle, | |
799 | remain_device_path, recursive); | |
800 | return EFI_EXIT(EFI_NOT_FOUND); | |
801 | } | |
802 | ||
803 | static efi_status_t EFIAPI efi_disconnect_controller(void *controller_handle, | |
804 | void *driver_image_handle, | |
805 | void *child_handle) | |
806 | { | |
807 | EFI_ENTRY("%p, %p, %p", controller_handle, driver_image_handle, | |
808 | child_handle); | |
809 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
810 | } | |
811 | ||
812 | static efi_status_t EFIAPI efi_close_protocol(void *handle, | |
813 | efi_guid_t *protocol, | |
814 | void *agent_handle, | |
815 | void *controller_handle) | |
816 | { | |
817 | EFI_ENTRY("%p, %p, %p, %p", handle, protocol, agent_handle, | |
818 | controller_handle); | |
819 | return EFI_EXIT(EFI_NOT_FOUND); | |
820 | } | |
821 | ||
822 | static efi_status_t EFIAPI efi_open_protocol_information(efi_handle_t handle, | |
823 | efi_guid_t *protocol, | |
824 | struct efi_open_protocol_info_entry **entry_buffer, | |
825 | unsigned long *entry_count) | |
826 | { | |
827 | EFI_ENTRY("%p, %p, %p, %p", handle, protocol, entry_buffer, | |
828 | entry_count); | |
829 | return EFI_EXIT(EFI_NOT_FOUND); | |
830 | } | |
831 | ||
832 | static efi_status_t EFIAPI efi_protocols_per_handle(void *handle, | |
833 | efi_guid_t ***protocol_buffer, | |
834 | unsigned long *protocol_buffer_count) | |
835 | { | |
836 | EFI_ENTRY("%p, %p, %p", handle, protocol_buffer, | |
837 | protocol_buffer_count); | |
838 | return EFI_EXIT(EFI_OUT_OF_RESOURCES); | |
839 | } | |
840 | ||
841 | static efi_status_t EFIAPI efi_locate_handle_buffer( | |
842 | enum efi_locate_search_type search_type, | |
843 | efi_guid_t *protocol, void *search_key, | |
844 | unsigned long *no_handles, efi_handle_t **buffer) | |
845 | { | |
c2e703f9 | 846 | efi_status_t r; |
847 | unsigned long buffer_size = 0; | |
848 | ||
bee91169 AG |
849 | EFI_ENTRY("%d, %p, %p, %p, %p", search_type, protocol, search_key, |
850 | no_handles, buffer); | |
c2e703f9 | 851 | |
852 | if (!no_handles || !buffer) { | |
853 | r = EFI_INVALID_PARAMETER; | |
854 | goto out; | |
855 | } | |
856 | *no_handles = 0; | |
857 | *buffer = NULL; | |
858 | r = efi_locate_handle(search_type, protocol, search_key, &buffer_size, | |
859 | *buffer); | |
860 | if (r != EFI_BUFFER_TOO_SMALL) | |
861 | goto out; | |
862 | r = efi_allocate_pool(EFI_ALLOCATE_ANY_PAGES, buffer_size, | |
863 | (void **)buffer); | |
864 | if (r != EFI_SUCCESS) | |
865 | goto out; | |
866 | r = efi_locate_handle(search_type, protocol, search_key, &buffer_size, | |
867 | *buffer); | |
868 | if (r == EFI_SUCCESS) | |
869 | *no_handles = buffer_size / sizeof(void *); | |
870 | out: | |
871 | return EFI_EXIT(r); | |
bee91169 AG |
872 | } |
873 | ||
bee91169 AG |
874 | static efi_status_t EFIAPI efi_locate_protocol(efi_guid_t *protocol, |
875 | void *registration, | |
876 | void **protocol_interface) | |
877 | { | |
88adae5e | 878 | struct list_head *lhandle; |
bee91169 AG |
879 | int i; |
880 | ||
881 | EFI_ENTRY("%p, %p, %p", protocol, registration, protocol_interface); | |
88adae5e | 882 | |
883 | if (!protocol || !protocol_interface) | |
884 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
885 | ||
886 | list_for_each(lhandle, &efi_obj_list) { | |
887 | struct efi_object *efiobj; | |
888 | ||
889 | efiobj = list_entry(lhandle, struct efi_object, link); | |
890 | for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { | |
891 | struct efi_handler *handler = &efiobj->protocols[i]; | |
892 | ||
893 | if (!handler->guid) | |
894 | continue; | |
895 | if (!guidcmp(handler->guid, protocol)) { | |
896 | *protocol_interface = | |
897 | handler->protocol_interface; | |
898 | return EFI_EXIT(EFI_SUCCESS); | |
899 | } | |
bee91169 AG |
900 | } |
901 | } | |
88adae5e | 902 | *protocol_interface = NULL; |
bee91169 AG |
903 | |
904 | return EFI_EXIT(EFI_NOT_FOUND); | |
905 | } | |
906 | ||
907 | static efi_status_t EFIAPI efi_install_multiple_protocol_interfaces( | |
908 | void **handle, ...) | |
909 | { | |
910 | EFI_ENTRY("%p", handle); | |
58b83586 | 911 | |
912 | va_list argptr; | |
913 | efi_guid_t *protocol; | |
914 | void *protocol_interface; | |
915 | efi_status_t r = EFI_SUCCESS; | |
916 | int i = 0; | |
917 | ||
918 | if (!handle) | |
919 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
920 | ||
921 | va_start(argptr, handle); | |
922 | for (;;) { | |
923 | protocol = va_arg(argptr, efi_guid_t*); | |
924 | if (!protocol) | |
925 | break; | |
926 | protocol_interface = va_arg(argptr, void*); | |
927 | r = efi_install_protocol_interface(handle, protocol, | |
928 | EFI_NATIVE_INTERFACE, | |
929 | protocol_interface); | |
930 | if (r != EFI_SUCCESS) | |
931 | break; | |
932 | i++; | |
933 | } | |
934 | va_end(argptr); | |
935 | if (r == EFI_SUCCESS) | |
936 | return EFI_EXIT(r); | |
937 | ||
938 | /* If an error occured undo all changes. */ | |
939 | va_start(argptr, handle); | |
940 | for (; i; --i) { | |
941 | protocol = va_arg(argptr, efi_guid_t*); | |
942 | protocol_interface = va_arg(argptr, void*); | |
943 | efi_uninstall_protocol_interface(handle, protocol, | |
944 | protocol_interface); | |
945 | } | |
946 | va_end(argptr); | |
947 | ||
948 | return EFI_EXIT(r); | |
bee91169 AG |
949 | } |
950 | ||
951 | static efi_status_t EFIAPI efi_uninstall_multiple_protocol_interfaces( | |
952 | void *handle, ...) | |
953 | { | |
954 | EFI_ENTRY("%p", handle); | |
955 | return EFI_EXIT(EFI_INVALID_PARAMETER); | |
956 | } | |
957 | ||
958 | static efi_status_t EFIAPI efi_calculate_crc32(void *data, | |
959 | unsigned long data_size, | |
960 | uint32_t *crc32_p) | |
961 | { | |
962 | EFI_ENTRY("%p, %ld", data, data_size); | |
963 | *crc32_p = crc32(0, data, data_size); | |
964 | return EFI_EXIT(EFI_SUCCESS); | |
965 | } | |
966 | ||
967 | static void EFIAPI efi_copy_mem(void *destination, void *source, | |
968 | unsigned long length) | |
969 | { | |
970 | EFI_ENTRY("%p, %p, %ld", destination, source, length); | |
971 | memcpy(destination, source, length); | |
972 | } | |
973 | ||
974 | static void EFIAPI efi_set_mem(void *buffer, unsigned long size, uint8_t value) | |
975 | { | |
976 | EFI_ENTRY("%p, %ld, 0x%x", buffer, size, value); | |
977 | memset(buffer, value, size); | |
978 | } | |
979 | ||
980 | static efi_status_t EFIAPI efi_open_protocol( | |
981 | void *handle, efi_guid_t *protocol, | |
982 | void **protocol_interface, void *agent_handle, | |
983 | void *controller_handle, uint32_t attributes) | |
984 | { | |
985 | struct list_head *lhandle; | |
986 | int i; | |
69baec67 | 987 | efi_status_t r = EFI_INVALID_PARAMETER; |
bee91169 AG |
988 | |
989 | EFI_ENTRY("%p, %p, %p, %p, %p, 0x%x", handle, protocol, | |
990 | protocol_interface, agent_handle, controller_handle, | |
991 | attributes); | |
b5349f74 | 992 | |
69baec67 | 993 | if (!handle || !protocol || |
994 | (!protocol_interface && attributes != | |
995 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL)) { | |
996 | goto out; | |
997 | } | |
998 | ||
999 | switch (attributes) { | |
1000 | case EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL: | |
1001 | case EFI_OPEN_PROTOCOL_GET_PROTOCOL: | |
1002 | case EFI_OPEN_PROTOCOL_TEST_PROTOCOL: | |
1003 | break; | |
1004 | case EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER: | |
1005 | if (controller_handle == handle) | |
1006 | goto out; | |
1007 | case EFI_OPEN_PROTOCOL_BY_DRIVER: | |
1008 | case EFI_OPEN_PROTOCOL_BY_DRIVER | EFI_OPEN_PROTOCOL_EXCLUSIVE: | |
1009 | if (controller_handle == NULL) | |
1010 | goto out; | |
1011 | case EFI_OPEN_PROTOCOL_EXCLUSIVE: | |
1012 | if (agent_handle == NULL) | |
1013 | goto out; | |
1014 | break; | |
1015 | default: | |
b5349f74 | 1016 | goto out; |
1017 | } | |
1018 | ||
bee91169 AG |
1019 | list_for_each(lhandle, &efi_obj_list) { |
1020 | struct efi_object *efiobj; | |
1021 | efiobj = list_entry(lhandle, struct efi_object, link); | |
1022 | ||
1023 | if (efiobj->handle != handle) | |
1024 | continue; | |
1025 | ||
1026 | for (i = 0; i < ARRAY_SIZE(efiobj->protocols); i++) { | |
1027 | struct efi_handler *handler = &efiobj->protocols[i]; | |
1028 | const efi_guid_t *hprotocol = handler->guid; | |
1029 | if (!hprotocol) | |
4b6ed0d7 | 1030 | continue; |
bee91169 | 1031 | if (!guidcmp(hprotocol, protocol)) { |
b5349f74 | 1032 | if (attributes != |
1033 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL) { | |
1034 | *protocol_interface = | |
1035 | handler->protocol_interface; | |
1036 | } | |
1037 | r = EFI_SUCCESS; | |
bee91169 AG |
1038 | goto out; |
1039 | } | |
1040 | } | |
69baec67 | 1041 | goto unsupported; |
bee91169 AG |
1042 | } |
1043 | ||
69baec67 | 1044 | unsupported: |
1045 | r = EFI_UNSUPPORTED; | |
bee91169 AG |
1046 | out: |
1047 | return EFI_EXIT(r); | |
1048 | } | |
1049 | ||
1050 | static efi_status_t EFIAPI efi_handle_protocol(void *handle, | |
1051 | efi_guid_t *protocol, | |
1052 | void **protocol_interface) | |
1053 | { | |
8e1d329f | 1054 | return efi_open_protocol(handle, protocol, protocol_interface, NULL, |
1055 | NULL, EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL); | |
bee91169 AG |
1056 | } |
1057 | ||
1058 | static const struct efi_boot_services efi_boot_services = { | |
1059 | .hdr = { | |
1060 | .headersize = sizeof(struct efi_table_hdr), | |
1061 | }, | |
1062 | .raise_tpl = efi_raise_tpl, | |
1063 | .restore_tpl = efi_restore_tpl, | |
1064 | .allocate_pages = efi_allocate_pages_ext, | |
1065 | .free_pages = efi_free_pages_ext, | |
1066 | .get_memory_map = efi_get_memory_map_ext, | |
ead1274b | 1067 | .allocate_pool = efi_allocate_pool_ext, |
42417bc8 | 1068 | .free_pool = efi_free_pool_ext, |
49deb455 | 1069 | .create_event = efi_create_event_ext, |
bee91169 AG |
1070 | .set_timer = efi_set_timer, |
1071 | .wait_for_event = efi_wait_for_event, | |
c6841592 | 1072 | .signal_event = efi_signal_event_ext, |
bee91169 AG |
1073 | .close_event = efi_close_event, |
1074 | .check_event = efi_check_event, | |
8bee5a3c | 1075 | .install_protocol_interface = efi_install_protocol_interface_ext, |
bee91169 | 1076 | .reinstall_protocol_interface = efi_reinstall_protocol_interface, |
3d8e1456 | 1077 | .uninstall_protocol_interface = efi_uninstall_protocol_interface_ext, |
bee91169 AG |
1078 | .handle_protocol = efi_handle_protocol, |
1079 | .reserved = NULL, | |
1080 | .register_protocol_notify = efi_register_protocol_notify, | |
26329584 | 1081 | .locate_handle = efi_locate_handle_ext, |
bee91169 | 1082 | .locate_device_path = efi_locate_device_path, |
488bf12d | 1083 | .install_configuration_table = efi_install_configuration_table_ext, |
bee91169 AG |
1084 | .load_image = efi_load_image, |
1085 | .start_image = efi_start_image, | |
a86aeaf2 | 1086 | .exit = efi_exit, |
bee91169 AG |
1087 | .unload_image = efi_unload_image, |
1088 | .exit_boot_services = efi_exit_boot_services, | |
1089 | .get_next_monotonic_count = efi_get_next_monotonic_count, | |
1090 | .stall = efi_stall, | |
1091 | .set_watchdog_timer = efi_set_watchdog_timer, | |
1092 | .connect_controller = efi_connect_controller, | |
1093 | .disconnect_controller = efi_disconnect_controller, | |
1094 | .open_protocol = efi_open_protocol, | |
1095 | .close_protocol = efi_close_protocol, | |
1096 | .open_protocol_information = efi_open_protocol_information, | |
1097 | .protocols_per_handle = efi_protocols_per_handle, | |
1098 | .locate_handle_buffer = efi_locate_handle_buffer, | |
1099 | .locate_protocol = efi_locate_protocol, | |
1100 | .install_multiple_protocol_interfaces = efi_install_multiple_protocol_interfaces, | |
1101 | .uninstall_multiple_protocol_interfaces = efi_uninstall_multiple_protocol_interfaces, | |
1102 | .calculate_crc32 = efi_calculate_crc32, | |
1103 | .copy_mem = efi_copy_mem, | |
1104 | .set_mem = efi_set_mem, | |
1105 | }; | |
1106 | ||
1107 | ||
3c63db9c | 1108 | static uint16_t __efi_runtime_data firmware_vendor[] = |
bee91169 AG |
1109 | { 'D','a','s',' ','U','-','b','o','o','t',0 }; |
1110 | ||
3c63db9c | 1111 | struct efi_system_table __efi_runtime_data systab = { |
bee91169 AG |
1112 | .hdr = { |
1113 | .signature = EFI_SYSTEM_TABLE_SIGNATURE, | |
1114 | .revision = 0x20005, /* 2.5 */ | |
1115 | .headersize = sizeof(struct efi_table_hdr), | |
1116 | }, | |
1117 | .fw_vendor = (long)firmware_vendor, | |
1118 | .con_in = (void*)&efi_con_in, | |
1119 | .con_out = (void*)&efi_con_out, | |
1120 | .std_err = (void*)&efi_con_out, | |
1121 | .runtime = (void*)&efi_runtime_services, | |
1122 | .boottime = (void*)&efi_boot_services, | |
1123 | .nr_tables = 0, | |
1124 | .tables = (void*)efi_conf_table, | |
1125 | }; |