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1 | /** @file\r |
2 | Platform BDS customizations.\r | |
3 | \r | |
4 | Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>\r | |
5 | Copyright (c) 2004 - 2019, Intel Corporation. All rights reserved.<BR>\r | |
6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #include "BdsPlatform.h"\r | |
11 | #include <Guid/RootBridgesConnectedEventGroup.h>\r | |
12 | #include <Protocol/FirmwareVolume2.h>\r | |
13 | #include <Library/PlatformBmPrintScLib.h>\r | |
14 | #include <Library/Tcg2PhysicalPresenceLib.h>\r | |
15 | \r | |
16 | #include <Protocol/BlockIo.h>\r | |
17 | \r | |
18 | //\r | |
19 | // Global data\r | |
20 | //\r | |
21 | \r | |
22 | VOID *mEfiDevPathNotifyReg;\r | |
23 | EFI_EVENT mEfiDevPathEvent;\r | |
24 | VOID *mEmuVariableEventReg;\r | |
25 | EFI_EVENT mEmuVariableEvent;\r | |
26 | UINT16 mHostBridgeDevId;\r | |
27 | \r | |
28 | //\r | |
29 | // Table of host IRQs matching PCI IRQs A-D\r | |
30 | // (for configuring PCI Interrupt Line register)\r | |
31 | //\r | |
32 | CONST UINT8 PciHostIrqs[] = {\r | |
33 | 0x0a, 0x0a, 0x0b, 0x0b\r | |
34 | };\r | |
35 | \r | |
36 | //\r | |
37 | // Type definitions\r | |
38 | //\r | |
39 | \r | |
40 | typedef\r | |
41 | EFI_STATUS\r | |
42 | (EFIAPI *PROTOCOL_INSTANCE_CALLBACK)(\r | |
43 | IN EFI_HANDLE Handle,\r | |
44 | IN VOID *Instance,\r | |
45 | IN VOID *Context\r | |
46 | );\r | |
47 | \r | |
48 | /**\r | |
49 | @param[in] Handle - Handle of PCI device instance\r | |
50 | @param[in] PciIo - PCI IO protocol instance\r | |
51 | @param[in] Pci - PCI Header register block\r | |
52 | **/\r | |
53 | typedef\r | |
54 | EFI_STATUS\r | |
55 | (EFIAPI *VISIT_PCI_INSTANCE_CALLBACK)(\r | |
56 | IN EFI_HANDLE Handle,\r | |
57 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
58 | IN PCI_TYPE00 *Pci\r | |
59 | );\r | |
60 | \r | |
61 | \r | |
62 | //\r | |
63 | // Function prototypes\r | |
64 | //\r | |
65 | \r | |
66 | EFI_STATUS\r | |
67 | VisitAllInstancesOfProtocol (\r | |
68 | IN EFI_GUID *Id,\r | |
69 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
70 | IN VOID *Context\r | |
71 | );\r | |
72 | \r | |
73 | EFI_STATUS\r | |
74 | VisitAllPciInstancesOfProtocol (\r | |
75 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r | |
76 | );\r | |
77 | \r | |
78 | VOID\r | |
79 | InstallDevicePathCallback (\r | |
80 | VOID\r | |
81 | );\r | |
82 | \r | |
83 | VOID\r | |
84 | PlatformRegisterFvBootOption (\r | |
85 | EFI_GUID *FileGuid,\r | |
86 | CHAR16 *Description,\r | |
87 | UINT32 Attributes\r | |
88 | )\r | |
89 | {\r | |
90 | EFI_STATUS Status;\r | |
91 | INTN OptionIndex;\r | |
92 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
93 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
94 | UINTN BootOptionCount;\r | |
95 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
96 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
97 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
98 | \r | |
99 | Status = gBS->HandleProtocol (\r | |
100 | gImageHandle,\r | |
101 | &gEfiLoadedImageProtocolGuid,\r | |
102 | (VOID **) &LoadedImage\r | |
103 | );\r | |
104 | ASSERT_EFI_ERROR (Status);\r | |
105 | \r | |
106 | EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);\r | |
107 | DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);\r | |
108 | ASSERT (DevicePath != NULL);\r | |
109 | DevicePath = AppendDevicePathNode (\r | |
110 | DevicePath,\r | |
111 | (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r | |
112 | );\r | |
113 | ASSERT (DevicePath != NULL);\r | |
114 | \r | |
115 | Status = EfiBootManagerInitializeLoadOption (\r | |
116 | &NewOption,\r | |
117 | LoadOptionNumberUnassigned,\r | |
118 | LoadOptionTypeBoot,\r | |
119 | Attributes,\r | |
120 | Description,\r | |
121 | DevicePath,\r | |
122 | NULL,\r | |
123 | 0\r | |
124 | );\r | |
125 | ASSERT_EFI_ERROR (Status);\r | |
126 | FreePool (DevicePath);\r | |
127 | \r | |
128 | BootOptions = EfiBootManagerGetLoadOptions (\r | |
129 | &BootOptionCount, LoadOptionTypeBoot\r | |
130 | );\r | |
131 | \r | |
132 | OptionIndex = EfiBootManagerFindLoadOption (\r | |
133 | &NewOption, BootOptions, BootOptionCount\r | |
134 | );\r | |
135 | \r | |
136 | if (OptionIndex == -1) {\r | |
137 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);\r | |
138 | ASSERT_EFI_ERROR (Status);\r | |
139 | }\r | |
140 | EfiBootManagerFreeLoadOption (&NewOption);\r | |
141 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
142 | }\r | |
143 | \r | |
144 | /**\r | |
145 | Remove all MemoryMapped(...)/FvFile(...) and Fv(...)/FvFile(...) boot options\r | |
146 | whose device paths do not resolve exactly to an FvFile in the system.\r | |
147 | \r | |
148 | This removes any boot options that point to binaries built into the firmware\r | |
149 | and have become stale due to any of the following:\r | |
150 | - DXEFV's base address or size changed (historical),\r | |
151 | - DXEFV's FvNameGuid changed,\r | |
152 | - the FILE_GUID of the pointed-to binary changed,\r | |
153 | - the referenced binary is no longer built into the firmware.\r | |
154 | \r | |
155 | EfiBootManagerFindLoadOption() used in PlatformRegisterFvBootOption() only\r | |
156 | avoids exact duplicates.\r | |
157 | **/\r | |
158 | VOID\r | |
159 | RemoveStaleFvFileOptions (\r | |
160 | VOID\r | |
161 | )\r | |
162 | {\r | |
163 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
164 | UINTN BootOptionCount;\r | |
165 | UINTN Index;\r | |
166 | \r | |
167 | BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount,\r | |
168 | LoadOptionTypeBoot);\r | |
169 | \r | |
170 | for (Index = 0; Index < BootOptionCount; ++Index) {\r | |
171 | EFI_DEVICE_PATH_PROTOCOL *Node1, *Node2, *SearchNode;\r | |
172 | EFI_STATUS Status;\r | |
173 | EFI_HANDLE FvHandle;\r | |
174 | \r | |
175 | //\r | |
176 | // If the device path starts with neither MemoryMapped(...) nor Fv(...),\r | |
177 | // then keep the boot option.\r | |
178 | //\r | |
179 | Node1 = BootOptions[Index].FilePath;\r | |
180 | if (!(DevicePathType (Node1) == HARDWARE_DEVICE_PATH &&\r | |
181 | DevicePathSubType (Node1) == HW_MEMMAP_DP) &&\r | |
182 | !(DevicePathType (Node1) == MEDIA_DEVICE_PATH &&\r | |
183 | DevicePathSubType (Node1) == MEDIA_PIWG_FW_VOL_DP)) {\r | |
184 | continue;\r | |
185 | }\r | |
186 | \r | |
187 | //\r | |
188 | // If the second device path node is not FvFile(...), then keep the boot\r | |
189 | // option.\r | |
190 | //\r | |
191 | Node2 = NextDevicePathNode (Node1);\r | |
192 | if (DevicePathType (Node2) != MEDIA_DEVICE_PATH ||\r | |
193 | DevicePathSubType (Node2) != MEDIA_PIWG_FW_FILE_DP) {\r | |
194 | continue;\r | |
195 | }\r | |
196 | \r | |
197 | //\r | |
198 | // Locate the Firmware Volume2 protocol instance that is denoted by the\r | |
199 | // boot option. If this lookup fails (i.e., the boot option references a\r | |
200 | // firmware volume that doesn't exist), then we'll proceed to delete the\r | |
201 | // boot option.\r | |
202 | //\r | |
203 | SearchNode = Node1;\r | |
204 | Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid,\r | |
205 | &SearchNode, &FvHandle);\r | |
206 | \r | |
207 | if (!EFI_ERROR (Status)) {\r | |
208 | //\r | |
209 | // The firmware volume was found; now let's see if it contains the FvFile\r | |
210 | // identified by GUID.\r | |
211 | //\r | |
212 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;\r | |
213 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFileNode;\r | |
214 | UINTN BufferSize;\r | |
215 | EFI_FV_FILETYPE FoundType;\r | |
216 | EFI_FV_FILE_ATTRIBUTES FileAttributes;\r | |
217 | UINT32 AuthenticationStatus;\r | |
218 | \r | |
219 | Status = gBS->HandleProtocol (FvHandle, &gEfiFirmwareVolume2ProtocolGuid,\r | |
220 | (VOID **)&FvProtocol);\r | |
221 | ASSERT_EFI_ERROR (Status);\r | |
222 | \r | |
223 | FvFileNode = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)Node2;\r | |
224 | //\r | |
225 | // Buffer==NULL means we request metadata only: BufferSize, FoundType,\r | |
226 | // FileAttributes.\r | |
227 | //\r | |
228 | Status = FvProtocol->ReadFile (\r | |
229 | FvProtocol,\r | |
230 | &FvFileNode->FvFileName, // NameGuid\r | |
231 | NULL, // Buffer\r | |
232 | &BufferSize,\r | |
233 | &FoundType,\r | |
234 | &FileAttributes,\r | |
235 | &AuthenticationStatus\r | |
236 | );\r | |
237 | if (!EFI_ERROR (Status)) {\r | |
238 | //\r | |
239 | // The FvFile was found. Keep the boot option.\r | |
240 | //\r | |
241 | continue;\r | |
242 | }\r | |
243 | }\r | |
244 | \r | |
245 | //\r | |
246 | // Delete the boot option.\r | |
247 | //\r | |
248 | Status = EfiBootManagerDeleteLoadOptionVariable (\r | |
249 | BootOptions[Index].OptionNumber, LoadOptionTypeBoot);\r | |
250 | DEBUG_CODE (\r | |
251 | CHAR16 *DevicePathString;\r | |
252 | \r | |
253 | DevicePathString = ConvertDevicePathToText(BootOptions[Index].FilePath,\r | |
254 | FALSE, FALSE);\r | |
255 | DEBUG ((\r | |
256 | EFI_ERROR (Status) ? EFI_D_WARN : DEBUG_VERBOSE,\r | |
257 | "%a: removing stale Boot#%04x %s: %r\n",\r | |
258 | __FUNCTION__,\r | |
259 | (UINT32)BootOptions[Index].OptionNumber,\r | |
260 | DevicePathString == NULL ? L"<unavailable>" : DevicePathString,\r | |
261 | Status\r | |
262 | ));\r | |
263 | if (DevicePathString != NULL) {\r | |
264 | FreePool (DevicePathString);\r | |
265 | }\r | |
266 | );\r | |
267 | }\r | |
268 | \r | |
269 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
270 | }\r | |
271 | \r | |
272 | VOID\r | |
273 | PlatformRegisterOptionsAndKeys (\r | |
274 | VOID\r | |
275 | )\r | |
276 | {\r | |
277 | EFI_STATUS Status;\r | |
278 | EFI_INPUT_KEY Enter;\r | |
279 | EFI_INPUT_KEY F2;\r | |
280 | EFI_INPUT_KEY Esc;\r | |
281 | EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r | |
282 | \r | |
283 | //\r | |
284 | // Register ENTER as CONTINUE key\r | |
285 | //\r | |
286 | Enter.ScanCode = SCAN_NULL;\r | |
287 | Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;\r | |
288 | Status = EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);\r | |
289 | ASSERT_EFI_ERROR (Status);\r | |
290 | \r | |
291 | //\r | |
292 | // Map F2 to Boot Manager Menu\r | |
293 | //\r | |
294 | F2.ScanCode = SCAN_F2;\r | |
295 | F2.UnicodeChar = CHAR_NULL;\r | |
296 | Esc.ScanCode = SCAN_ESC;\r | |
297 | Esc.UnicodeChar = CHAR_NULL;\r | |
298 | Status = EfiBootManagerGetBootManagerMenu (&BootOption);\r | |
299 | ASSERT_EFI_ERROR (Status);\r | |
300 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
301 | NULL, (UINT16) BootOption.OptionNumber, 0, &F2, NULL\r | |
302 | );\r | |
303 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
304 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
305 | NULL, (UINT16) BootOption.OptionNumber, 0, &Esc, NULL\r | |
306 | );\r | |
307 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
308 | }\r | |
309 | \r | |
310 | EFI_STATUS\r | |
311 | EFIAPI\r | |
312 | ConnectRootBridge (\r | |
313 | IN EFI_HANDLE RootBridgeHandle,\r | |
314 | IN VOID *Instance,\r | |
315 | IN VOID *Context\r | |
316 | );\r | |
317 | \r | |
318 | STATIC\r | |
319 | EFI_STATUS\r | |
320 | EFIAPI\r | |
321 | ConnectVirtioPciRng (\r | |
322 | IN EFI_HANDLE Handle,\r | |
323 | IN VOID *Instance,\r | |
324 | IN VOID *Context\r | |
325 | );\r | |
326 | \r | |
327 | STATIC\r | |
328 | VOID\r | |
329 | SaveS3BootScript (\r | |
330 | VOID\r | |
331 | );\r | |
332 | \r | |
333 | //\r | |
334 | // BDS Platform Functions\r | |
335 | //\r | |
336 | /**\r | |
337 | Do the platform init, can be customized by OEM/IBV\r | |
338 | \r | |
339 | Possible things that can be done in PlatformBootManagerBeforeConsole:\r | |
340 | \r | |
341 | > Update console variable: 1. include hot-plug devices;\r | |
342 | > 2. Clear ConIn and add SOL for AMT\r | |
343 | > Register new Driver#### or Boot####\r | |
344 | > Register new Key####: e.g.: F12\r | |
345 | > Signal ReadyToLock event\r | |
346 | > Authentication action: 1. connect Auth devices;\r | |
347 | > 2. Identify auto logon user.\r | |
348 | **/\r | |
349 | VOID\r | |
350 | EFIAPI\r | |
351 | PlatformBootManagerBeforeConsole (\r | |
352 | VOID\r | |
353 | )\r | |
354 | {\r | |
355 | EFI_HANDLE Handle;\r | |
356 | EFI_STATUS Status;\r | |
357 | \r | |
358 | DEBUG ((DEBUG_INFO, "PlatformBootManagerBeforeConsole\n"));\r | |
359 | InstallDevicePathCallback ();\r | |
360 | \r | |
361 | VisitAllInstancesOfProtocol (&gEfiPciRootBridgeIoProtocolGuid,\r | |
362 | ConnectRootBridge, NULL);\r | |
363 | \r | |
364 | //\r | |
365 | // Signal the ACPI platform driver that it can download QEMU ACPI tables.\r | |
366 | //\r | |
367 | EfiEventGroupSignal (&gRootBridgesConnectedEventGroupGuid);\r | |
368 | \r | |
369 | //\r | |
370 | // We can't signal End-of-Dxe earlier than this. Namely, End-of-Dxe triggers\r | |
371 | // the preparation of S3 system information. That logic has a hard dependency\r | |
372 | // on the presence of the FACS ACPI table. Since our ACPI tables are only\r | |
373 | // installed after PCI enumeration completes, we must not trigger the S3 save\r | |
374 | // earlier, hence we can't signal End-of-Dxe earlier.\r | |
375 | //\r | |
376 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r | |
377 | \r | |
378 | //\r | |
379 | // Prevent further changes to LockBoxes or SMRAM.\r | |
380 | //\r | |
381 | Handle = NULL;\r | |
382 | Status = gBS->InstallProtocolInterface (&Handle,\r | |
383 | &gEfiDxeSmmReadyToLockProtocolGuid, EFI_NATIVE_INTERFACE,\r | |
384 | NULL);\r | |
385 | ASSERT_EFI_ERROR (Status);\r | |
386 | \r | |
387 | //\r | |
388 | // Dispatch deferred images after EndOfDxe event and ReadyToLock\r | |
389 | // installation.\r | |
390 | //\r | |
391 | EfiBootManagerDispatchDeferredImages ();\r | |
392 | \r | |
393 | PlatformInitializeConsole (gPlatformConsole);\r | |
394 | \r | |
395 | PlatformRegisterOptionsAndKeys ();\r | |
396 | \r | |
397 | //\r | |
398 | // Install both VIRTIO_DEVICE_PROTOCOL and (dependent) EFI_RNG_PROTOCOL\r | |
399 | // instances on Virtio PCI RNG devices.\r | |
400 | //\r | |
401 | VisitAllInstancesOfProtocol (&gEfiPciIoProtocolGuid, ConnectVirtioPciRng,\r | |
402 | NULL);\r | |
403 | }\r | |
404 | \r | |
405 | \r | |
406 | EFI_STATUS\r | |
407 | EFIAPI\r | |
408 | ConnectRootBridge (\r | |
409 | IN EFI_HANDLE RootBridgeHandle,\r | |
410 | IN VOID *Instance,\r | |
411 | IN VOID *Context\r | |
412 | )\r | |
413 | {\r | |
414 | EFI_STATUS Status;\r | |
415 | \r | |
416 | //\r | |
417 | // Make the PCI bus driver connect the root bridge, non-recursively. This\r | |
418 | // will produce a number of child handles with PciIo on them.\r | |
419 | //\r | |
420 | Status = gBS->ConnectController (\r | |
421 | RootBridgeHandle, // ControllerHandle\r | |
422 | NULL, // DriverImageHandle\r | |
423 | NULL, // RemainingDevicePath -- produce all\r | |
424 | // children\r | |
425 | FALSE // Recursive\r | |
426 | );\r | |
427 | return Status;\r | |
428 | }\r | |
429 | \r | |
430 | \r | |
431 | STATIC\r | |
432 | EFI_STATUS\r | |
433 | EFIAPI\r | |
434 | ConnectVirtioPciRng (\r | |
435 | IN EFI_HANDLE Handle,\r | |
436 | IN VOID *Instance,\r | |
437 | IN VOID *Context\r | |
438 | )\r | |
439 | {\r | |
440 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
441 | EFI_STATUS Status;\r | |
442 | UINT16 VendorId;\r | |
443 | UINT16 DeviceId;\r | |
444 | UINT8 RevisionId;\r | |
445 | BOOLEAN Virtio10;\r | |
446 | UINT16 SubsystemId;\r | |
447 | \r | |
448 | PciIo = Instance;\r | |
449 | \r | |
450 | //\r | |
451 | // Read and check VendorId.\r | |
452 | //\r | |
453 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, PCI_VENDOR_ID_OFFSET,\r | |
454 | 1, &VendorId);\r | |
455 | if (EFI_ERROR (Status)) {\r | |
456 | goto Error;\r | |
457 | }\r | |
458 | if (VendorId != VIRTIO_VENDOR_ID) {\r | |
459 | return EFI_SUCCESS;\r | |
460 | }\r | |
461 | \r | |
462 | //\r | |
463 | // Read DeviceId and RevisionId.\r | |
464 | //\r | |
465 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, PCI_DEVICE_ID_OFFSET,\r | |
466 | 1, &DeviceId);\r | |
467 | if (EFI_ERROR (Status)) {\r | |
468 | goto Error;\r | |
469 | }\r | |
470 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, PCI_REVISION_ID_OFFSET,\r | |
471 | 1, &RevisionId);\r | |
472 | if (EFI_ERROR (Status)) {\r | |
473 | goto Error;\r | |
474 | }\r | |
475 | \r | |
476 | //\r | |
477 | // From DeviceId and RevisionId, determine whether the device is a\r | |
478 | // modern-only Virtio 1.0 device. In case of Virtio 1.0, DeviceId can\r | |
479 | // immediately be restricted to VIRTIO_SUBSYSTEM_ENTROPY_SOURCE, and\r | |
480 | // SubsystemId will only play a sanity-check role. Otherwise, DeviceId can\r | |
481 | // only be sanity-checked, and SubsystemId will decide.\r | |
482 | //\r | |
483 | if (DeviceId == 0x1040 + VIRTIO_SUBSYSTEM_ENTROPY_SOURCE &&\r | |
484 | RevisionId >= 0x01) {\r | |
485 | Virtio10 = TRUE;\r | |
486 | } else if (DeviceId >= 0x1000 && DeviceId <= 0x103F && RevisionId == 0x00) {\r | |
487 | Virtio10 = FALSE;\r | |
488 | } else {\r | |
489 | return EFI_SUCCESS;\r | |
490 | }\r | |
491 | \r | |
492 | //\r | |
493 | // Read and check SubsystemId as dictated by Virtio10.\r | |
494 | //\r | |
495 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16,\r | |
496 | PCI_SUBSYSTEM_ID_OFFSET, 1, &SubsystemId);\r | |
497 | if (EFI_ERROR (Status)) {\r | |
498 | goto Error;\r | |
499 | }\r | |
500 | if ((Virtio10 && SubsystemId >= 0x40) ||\r | |
501 | (!Virtio10 && SubsystemId == VIRTIO_SUBSYSTEM_ENTROPY_SOURCE)) {\r | |
502 | Status = gBS->ConnectController (\r | |
503 | Handle, // ControllerHandle\r | |
504 | NULL, // DriverImageHandle -- connect all drivers\r | |
505 | NULL, // RemainingDevicePath -- produce all child handles\r | |
506 | FALSE // Recursive -- don't follow child handles\r | |
507 | );\r | |
508 | if (EFI_ERROR (Status)) {\r | |
509 | goto Error;\r | |
510 | }\r | |
511 | }\r | |
512 | return EFI_SUCCESS;\r | |
513 | \r | |
514 | Error:\r | |
515 | DEBUG ((DEBUG_ERROR, "%a: %r\n", __FUNCTION__, Status));\r | |
516 | return Status;\r | |
517 | }\r | |
518 | \r | |
519 | \r | |
520 | /**\r | |
521 | Add IsaKeyboard to ConIn; add IsaSerial to ConOut, ConIn, ErrOut.\r | |
522 | \r | |
523 | @param[in] DeviceHandle Handle of the LPC Bridge device.\r | |
524 | \r | |
525 | @retval EFI_SUCCESS Console devices on the LPC bridge have been added to\r | |
526 | ConOut, ConIn, and ErrOut.\r | |
527 | \r | |
528 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
529 | from DeviceHandle.\r | |
530 | **/\r | |
531 | EFI_STATUS\r | |
532 | PrepareLpcBridgeDevicePath (\r | |
533 | IN EFI_HANDLE DeviceHandle\r | |
534 | )\r | |
535 | {\r | |
536 | EFI_STATUS Status;\r | |
537 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
538 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
539 | CHAR16 *DevPathStr;\r | |
540 | \r | |
541 | DevicePath = NULL;\r | |
542 | Status = gBS->HandleProtocol (\r | |
543 | DeviceHandle,\r | |
544 | &gEfiDevicePathProtocolGuid,\r | |
545 | (VOID*)&DevicePath\r | |
546 | );\r | |
547 | if (EFI_ERROR (Status)) {\r | |
548 | return Status;\r | |
549 | }\r | |
550 | TempDevicePath = DevicePath;\r | |
551 | \r | |
552 | //\r | |
553 | // Register Keyboard\r | |
554 | //\r | |
555 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
556 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode);\r | |
557 | \r | |
558 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
559 | \r | |
560 | //\r | |
561 | // Register COM1\r | |
562 | //\r | |
563 | DevicePath = TempDevicePath;\r | |
564 | gPnp16550ComPortDeviceNode.UID = 0;\r | |
565 | \r | |
566 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
567 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
568 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
569 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
570 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
571 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
572 | \r | |
573 | //\r | |
574 | // Print Device Path\r | |
575 | //\r | |
576 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r | |
577 | if (DevPathStr != NULL) {\r | |
578 | DEBUG((\r | |
579 | DEBUG_INFO,\r | |
580 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r | |
581 | __LINE__,\r | |
582 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
583 | DevPathStr\r | |
584 | ));\r | |
585 | FreePool(DevPathStr);\r | |
586 | }\r | |
587 | \r | |
588 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
589 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
590 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
591 | \r | |
592 | // Don't register COM2 which can be used for DBG instead so keep it clean\r | |
593 | \r | |
594 | return EFI_SUCCESS;\r | |
595 | }\r | |
596 | \r | |
597 | EFI_STATUS\r | |
598 | GetGopDevicePath (\r | |
599 | IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,\r | |
600 | OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath\r | |
601 | )\r | |
602 | {\r | |
603 | UINTN Index;\r | |
604 | EFI_STATUS Status;\r | |
605 | EFI_HANDLE PciDeviceHandle;\r | |
606 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
607 | EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;\r | |
608 | UINTN GopHandleCount;\r | |
609 | EFI_HANDLE *GopHandleBuffer;\r | |
610 | \r | |
611 | if (PciDevicePath == NULL || GopDevicePath == NULL) {\r | |
612 | return EFI_INVALID_PARAMETER;\r | |
613 | }\r | |
614 | \r | |
615 | //\r | |
616 | // Initialize the GopDevicePath to be PciDevicePath\r | |
617 | //\r | |
618 | *GopDevicePath = PciDevicePath;\r | |
619 | TempPciDevicePath = PciDevicePath;\r | |
620 | \r | |
621 | Status = gBS->LocateDevicePath (\r | |
622 | &gEfiDevicePathProtocolGuid,\r | |
623 | &TempPciDevicePath,\r | |
624 | &PciDeviceHandle\r | |
625 | );\r | |
626 | if (EFI_ERROR (Status)) {\r | |
627 | return Status;\r | |
628 | }\r | |
629 | \r | |
630 | //\r | |
631 | // Try to connect this handle, so that GOP driver could start on this\r | |
632 | // device and create child handles with GraphicsOutput Protocol installed\r | |
633 | // on them, then we get device paths of these child handles and select\r | |
634 | // them as possible console device.\r | |
635 | //\r | |
636 | gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);\r | |
637 | \r | |
638 | Status = gBS->LocateHandleBuffer (\r | |
639 | ByProtocol,\r | |
640 | &gEfiGraphicsOutputProtocolGuid,\r | |
641 | NULL,\r | |
642 | &GopHandleCount,\r | |
643 | &GopHandleBuffer\r | |
644 | );\r | |
645 | if (!EFI_ERROR (Status)) {\r | |
646 | //\r | |
647 | // Add all the child handles as possible Console Device\r | |
648 | //\r | |
649 | for (Index = 0; Index < GopHandleCount; Index++) {\r | |
650 | Status = gBS->HandleProtocol (GopHandleBuffer[Index],\r | |
651 | &gEfiDevicePathProtocolGuid, (VOID*)&TempDevicePath);\r | |
652 | if (EFI_ERROR (Status)) {\r | |
653 | continue;\r | |
654 | }\r | |
655 | if (CompareMem (\r | |
656 | PciDevicePath,\r | |
657 | TempDevicePath,\r | |
658 | GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH\r | |
659 | ) == 0) {\r | |
660 | //\r | |
661 | // In current implementation, we only enable one of the child handles\r | |
662 | // as console device, i.e. sotre one of the child handle's device\r | |
663 | // path to variable "ConOut"\r | |
664 | // In future, we could select all child handles to be console device\r | |
665 | //\r | |
666 | \r | |
667 | *GopDevicePath = TempDevicePath;\r | |
668 | \r | |
669 | //\r | |
670 | // Delete the PCI device's path that added by\r | |
671 | // GetPlugInPciVgaDevicePath(). Add the integrity GOP device path.\r | |
672 | //\r | |
673 | EfiBootManagerUpdateConsoleVariable (ConOutDev, NULL, PciDevicePath);\r | |
674 | EfiBootManagerUpdateConsoleVariable (ConOutDev, TempDevicePath, NULL);\r | |
675 | }\r | |
676 | }\r | |
677 | gBS->FreePool (GopHandleBuffer);\r | |
678 | }\r | |
679 | \r | |
680 | return EFI_SUCCESS;\r | |
681 | }\r | |
682 | \r | |
683 | /**\r | |
684 | Add PCI display to ConOut.\r | |
685 | \r | |
686 | @param[in] DeviceHandle Handle of the PCI display device.\r | |
687 | \r | |
688 | @retval EFI_SUCCESS The PCI display device has been added to ConOut.\r | |
689 | \r | |
690 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
691 | from DeviceHandle.\r | |
692 | **/\r | |
693 | EFI_STATUS\r | |
694 | PreparePciDisplayDevicePath (\r | |
695 | IN EFI_HANDLE DeviceHandle\r | |
696 | )\r | |
697 | {\r | |
698 | EFI_STATUS Status;\r | |
699 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
700 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;\r | |
701 | \r | |
702 | DevicePath = NULL;\r | |
703 | GopDevicePath = NULL;\r | |
704 | Status = gBS->HandleProtocol (\r | |
705 | DeviceHandle,\r | |
706 | &gEfiDevicePathProtocolGuid,\r | |
707 | (VOID*)&DevicePath\r | |
708 | );\r | |
709 | if (EFI_ERROR (Status)) {\r | |
710 | return Status;\r | |
711 | }\r | |
712 | \r | |
713 | GetGopDevicePath (DevicePath, &GopDevicePath);\r | |
714 | DevicePath = GopDevicePath;\r | |
715 | \r | |
716 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
717 | \r | |
718 | return EFI_SUCCESS;\r | |
719 | }\r | |
720 | \r | |
721 | /**\r | |
722 | Add PCI Serial to ConOut, ConIn, ErrOut.\r | |
723 | \r | |
724 | @param[in] DeviceHandle Handle of the PCI serial device.\r | |
725 | \r | |
726 | @retval EFI_SUCCESS The PCI serial device has been added to ConOut, ConIn,\r | |
727 | ErrOut.\r | |
728 | \r | |
729 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
730 | from DeviceHandle.\r | |
731 | **/\r | |
732 | EFI_STATUS\r | |
733 | PreparePciSerialDevicePath (\r | |
734 | IN EFI_HANDLE DeviceHandle\r | |
735 | )\r | |
736 | {\r | |
737 | EFI_STATUS Status;\r | |
738 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
739 | \r | |
740 | DevicePath = NULL;\r | |
741 | Status = gBS->HandleProtocol (\r | |
742 | DeviceHandle,\r | |
743 | &gEfiDevicePathProtocolGuid,\r | |
744 | (VOID*)&DevicePath\r | |
745 | );\r | |
746 | if (EFI_ERROR (Status)) {\r | |
747 | return Status;\r | |
748 | }\r | |
749 | \r | |
750 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
751 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
752 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
753 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
754 | \r | |
755 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
756 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
757 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
758 | \r | |
759 | return EFI_SUCCESS;\r | |
760 | }\r | |
761 | \r | |
762 | EFI_STATUS\r | |
763 | VisitAllInstancesOfProtocol (\r | |
764 | IN EFI_GUID *Id,\r | |
765 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
766 | IN VOID *Context\r | |
767 | )\r | |
768 | {\r | |
769 | EFI_STATUS Status;\r | |
770 | UINTN HandleCount;\r | |
771 | EFI_HANDLE *HandleBuffer;\r | |
772 | UINTN Index;\r | |
773 | VOID *Instance;\r | |
774 | \r | |
775 | //\r | |
776 | // Start to check all the PciIo to find all possible device\r | |
777 | //\r | |
778 | HandleCount = 0;\r | |
779 | HandleBuffer = NULL;\r | |
780 | Status = gBS->LocateHandleBuffer (\r | |
781 | ByProtocol,\r | |
782 | Id,\r | |
783 | NULL,\r | |
784 | &HandleCount,\r | |
785 | &HandleBuffer\r | |
786 | );\r | |
787 | if (EFI_ERROR (Status)) {\r | |
788 | return Status;\r | |
789 | }\r | |
790 | \r | |
791 | for (Index = 0; Index < HandleCount; Index++) {\r | |
792 | Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);\r | |
793 | if (EFI_ERROR (Status)) {\r | |
794 | continue;\r | |
795 | }\r | |
796 | \r | |
797 | Status = (*CallBackFunction) (\r | |
798 | HandleBuffer[Index],\r | |
799 | Instance,\r | |
800 | Context\r | |
801 | );\r | |
802 | }\r | |
803 | \r | |
804 | gBS->FreePool (HandleBuffer);\r | |
805 | \r | |
806 | return EFI_SUCCESS;\r | |
807 | }\r | |
808 | \r | |
809 | \r | |
810 | EFI_STATUS\r | |
811 | EFIAPI\r | |
812 | VisitingAPciInstance (\r | |
813 | IN EFI_HANDLE Handle,\r | |
814 | IN VOID *Instance,\r | |
815 | IN VOID *Context\r | |
816 | )\r | |
817 | {\r | |
818 | EFI_STATUS Status;\r | |
819 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
820 | PCI_TYPE00 Pci;\r | |
821 | \r | |
822 | PciIo = (EFI_PCI_IO_PROTOCOL*) Instance;\r | |
823 | \r | |
824 | //\r | |
825 | // Check for all PCI device\r | |
826 | //\r | |
827 | Status = PciIo->Pci.Read (\r | |
828 | PciIo,\r | |
829 | EfiPciIoWidthUint32,\r | |
830 | 0,\r | |
831 | sizeof (Pci) / sizeof (UINT32),\r | |
832 | &Pci\r | |
833 | );\r | |
834 | if (EFI_ERROR (Status)) {\r | |
835 | return Status;\r | |
836 | }\r | |
837 | \r | |
838 | return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN) Context) (\r | |
839 | Handle,\r | |
840 | PciIo,\r | |
841 | &Pci\r | |
842 | );\r | |
843 | \r | |
844 | }\r | |
845 | \r | |
846 | \r | |
847 | \r | |
848 | EFI_STATUS\r | |
849 | VisitAllPciInstances (\r | |
850 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r | |
851 | )\r | |
852 | {\r | |
853 | return VisitAllInstancesOfProtocol (\r | |
854 | &gEfiPciIoProtocolGuid,\r | |
855 | VisitingAPciInstance,\r | |
856 | (VOID*)(UINTN) CallBackFunction\r | |
857 | );\r | |
858 | }\r | |
859 | \r | |
860 | \r | |
861 | /**\r | |
862 | Do platform specific PCI Device check and add them to\r | |
863 | ConOut, ConIn, ErrOut.\r | |
864 | \r | |
865 | @param[in] Handle - Handle of PCI device instance\r | |
866 | @param[in] PciIo - PCI IO protocol instance\r | |
867 | @param[in] Pci - PCI Header register block\r | |
868 | \r | |
869 | @retval EFI_SUCCESS - PCI Device check and Console variable update\r | |
870 | successfully.\r | |
871 | @retval EFI_STATUS - PCI Device check or Console variable update fail.\r | |
872 | \r | |
873 | **/\r | |
874 | EFI_STATUS\r | |
875 | EFIAPI\r | |
876 | DetectAndPreparePlatformPciDevicePath (\r | |
877 | IN EFI_HANDLE Handle,\r | |
878 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
879 | IN PCI_TYPE00 *Pci\r | |
880 | )\r | |
881 | {\r | |
882 | EFI_STATUS Status;\r | |
883 | \r | |
884 | Status = PciIo->Attributes (\r | |
885 | PciIo,\r | |
886 | EfiPciIoAttributeOperationEnable,\r | |
887 | EFI_PCI_DEVICE_ENABLE,\r | |
888 | NULL\r | |
889 | );\r | |
890 | ASSERT_EFI_ERROR (Status);\r | |
891 | \r | |
892 | //\r | |
893 | // Here we decide whether it is LPC Bridge\r | |
894 | //\r | |
895 | if ((IS_PCI_LPC (Pci)) ||\r | |
896 | ((IS_PCI_ISA_PDECODE (Pci)) &&\r | |
897 | (Pci->Hdr.VendorId == 0x8086) &&\r | |
898 | (Pci->Hdr.DeviceId == 0x7000)\r | |
899 | )\r | |
900 | ) {\r | |
901 | //\r | |
902 | // Add IsaKeyboard to ConIn,\r | |
903 | // add IsaSerial to ConOut, ConIn, ErrOut\r | |
904 | //\r | |
905 | DEBUG ((DEBUG_INFO, "Found LPC Bridge device\n"));\r | |
906 | PrepareLpcBridgeDevicePath (Handle);\r | |
907 | return EFI_SUCCESS;\r | |
908 | }\r | |
909 | //\r | |
910 | // Here we decide which Serial device to enable in PCI bus\r | |
911 | //\r | |
912 | if (IS_PCI_16550SERIAL (Pci)) {\r | |
913 | //\r | |
914 | // Add them to ConOut, ConIn, ErrOut.\r | |
915 | //\r | |
916 | DEBUG ((DEBUG_INFO, "Found PCI 16550 SERIAL device\n"));\r | |
917 | PreparePciSerialDevicePath (Handle);\r | |
918 | return EFI_SUCCESS;\r | |
919 | }\r | |
920 | \r | |
921 | //\r | |
922 | // Here we decide which display device to enable in PCI bus\r | |
923 | //\r | |
924 | if (IS_PCI_DISPLAY (Pci)) {\r | |
925 | //\r | |
926 | // Add them to ConOut.\r | |
927 | //\r | |
928 | DEBUG ((DEBUG_INFO, "Found PCI display device\n"));\r | |
929 | PreparePciDisplayDevicePath (Handle);\r | |
930 | return EFI_SUCCESS;\r | |
931 | }\r | |
932 | \r | |
933 | return Status;\r | |
934 | }\r | |
935 | \r | |
936 | \r | |
937 | /**\r | |
938 | Connect the predefined platform default console device.\r | |
939 | \r | |
940 | Always try to find and enable PCI display devices.\r | |
941 | \r | |
942 | @param[in] PlatformConsole Predefined platform default console device array.\r | |
943 | **/\r | |
944 | VOID\r | |
945 | PlatformInitializeConsole (\r | |
946 | IN PLATFORM_CONSOLE_CONNECT_ENTRY *PlatformConsole\r | |
947 | )\r | |
948 | {\r | |
949 | UINTN Index;\r | |
950 | \r | |
951 | //\r | |
952 | // Do platform specific PCI Device check and add them to ConOut, ConIn,\r | |
953 | // ErrOut\r | |
954 | //\r | |
955 | VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);\r | |
956 | \r | |
957 | //\r | |
958 | // Have chance to connect the platform default console,\r | |
959 | // the platform default console is the minimum device group\r | |
960 | // the platform should support\r | |
961 | //\r | |
962 | for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {\r | |
963 | //\r | |
964 | // Update the console variable with the connect type\r | |
965 | //\r | |
966 | if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {\r | |
967 | EfiBootManagerUpdateConsoleVariable (ConIn,\r | |
968 | PlatformConsole[Index].DevicePath, NULL);\r | |
969 | }\r | |
970 | if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {\r | |
971 | EfiBootManagerUpdateConsoleVariable (ConOut,\r | |
972 | PlatformConsole[Index].DevicePath, NULL);\r | |
973 | }\r | |
974 | if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {\r | |
975 | EfiBootManagerUpdateConsoleVariable (ErrOut,\r | |
976 | PlatformConsole[Index].DevicePath, NULL);\r | |
977 | }\r | |
978 | }\r | |
979 | }\r | |
980 | \r | |
981 | \r | |
982 | /**\r | |
983 | Configure PCI Interrupt Line register for applicable devices\r | |
984 | Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()\r | |
985 | \r | |
986 | @param[in] Handle - Handle of PCI device instance\r | |
987 | @param[in] PciIo - PCI IO protocol instance\r | |
988 | @param[in] PciHdr - PCI Header register block\r | |
989 | \r | |
990 | @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.\r | |
991 | \r | |
992 | **/\r | |
993 | EFI_STATUS\r | |
994 | EFIAPI\r | |
995 | SetPciIntLine (\r | |
996 | IN EFI_HANDLE Handle,\r | |
997 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
998 | IN PCI_TYPE00 *PciHdr\r | |
999 | )\r | |
1000 | {\r | |
1001 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1002 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1003 | UINTN RootSlot;\r | |
1004 | UINTN Idx;\r | |
1005 | UINT8 IrqLine;\r | |
1006 | EFI_STATUS Status;\r | |
1007 | UINT32 RootBusNumber;\r | |
1008 | \r | |
1009 | Status = EFI_SUCCESS;\r | |
1010 | \r | |
1011 | if (PciHdr->Device.InterruptPin != 0) {\r | |
1012 | \r | |
1013 | DevPathNode = DevicePathFromHandle (Handle);\r | |
1014 | ASSERT (DevPathNode != NULL);\r | |
1015 | DevPath = DevPathNode;\r | |
1016 | \r | |
1017 | RootBusNumber = 0;\r | |
1018 | if (DevicePathType (DevPathNode) == ACPI_DEVICE_PATH &&\r | |
1019 | DevicePathSubType (DevPathNode) == ACPI_DP &&\r | |
1020 | ((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID(0x0A03)) {\r | |
1021 | RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;\r | |
1022 | }\r | |
1023 | \r | |
1024 | //\r | |
1025 | // Compute index into PciHostIrqs[] table by walking\r | |
1026 | // the device path and adding up all device numbers\r | |
1027 | //\r | |
1028 | Status = EFI_NOT_FOUND;\r | |
1029 | RootSlot = 0;\r | |
1030 | Idx = PciHdr->Device.InterruptPin - 1;\r | |
1031 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1032 | if (DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH &&\r | |
1033 | DevicePathSubType (DevPathNode) == HW_PCI_DP) {\r | |
1034 | \r | |
1035 | Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r | |
1036 | \r | |
1037 | //\r | |
1038 | // Unlike SeaBIOS, which starts climbing from the leaf device\r | |
1039 | // up toward the root, we traverse the device path starting at\r | |
1040 | // the root moving toward the leaf node.\r | |
1041 | // The slot number of the top-level parent bridge is needed for\r | |
1042 | // Q35 cases with more than 24 slots on the root bus.\r | |
1043 | //\r | |
1044 | if (Status != EFI_SUCCESS) {\r | |
1045 | Status = EFI_SUCCESS;\r | |
1046 | RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r | |
1047 | }\r | |
1048 | }\r | |
1049 | \r | |
1050 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1051 | }\r | |
1052 | if (EFI_ERROR (Status)) {\r | |
1053 | return Status;\r | |
1054 | }\r | |
1055 | if (RootBusNumber == 0 && RootSlot == 0) {\r | |
1056 | DEBUG((\r | |
1057 | DEBUG_ERROR,\r | |
1058 | "%a: PCI host bridge (00:00.0) should have no interrupts!\n",\r | |
1059 | __FUNCTION__\r | |
1060 | ));\r | |
1061 | ASSERT (FALSE);\r | |
1062 | }\r | |
1063 | \r | |
1064 | //\r | |
1065 | // Final PciHostIrqs[] index calculation depends on the platform\r | |
1066 | // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()\r | |
1067 | //\r | |
1068 | switch (mHostBridgeDevId) {\r | |
1069 | case 0x1275: // BHYVE\r | |
1070 | case INTEL_82441_DEVICE_ID:\r | |
1071 | Idx -= 1;\r | |
1072 | break;\r | |
1073 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1074 | //\r | |
1075 | // SeaBIOS contains the following comment:\r | |
1076 | // "Slots 0-24 rotate slot:pin mapping similar to piix above, but\r | |
1077 | // with a different starting index - see q35-acpi-dsdt.dsl.\r | |
1078 | //\r | |
1079 | // Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"\r | |
1080 | //\r | |
1081 | if (RootSlot > 24) {\r | |
1082 | //\r | |
1083 | // in this case, subtract back out RootSlot from Idx\r | |
1084 | // (SeaBIOS never adds it to begin with, but that would make our\r | |
1085 | // device path traversal loop above too awkward)\r | |
1086 | //\r | |
1087 | Idx -= RootSlot;\r | |
1088 | }\r | |
1089 | break;\r | |
1090 | default:\r | |
1091 | ASSERT (FALSE); // should never get here\r | |
1092 | }\r | |
1093 | Idx %= ARRAY_SIZE (PciHostIrqs);\r | |
1094 | IrqLine = PciHostIrqs[Idx];\r | |
1095 | \r | |
1096 | DEBUG_CODE_BEGIN ();\r | |
1097 | {\r | |
1098 | CHAR16 *DevPathString;\r | |
1099 | STATIC CHAR16 Fallback[] = L"<failed to convert>";\r | |
1100 | UINTN Segment, Bus, Device, Function;\r | |
1101 | \r | |
1102 | DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);\r | |
1103 | if (DevPathString == NULL) {\r | |
1104 | DevPathString = Fallback;\r | |
1105 | }\r | |
1106 | Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);\r | |
1107 | ASSERT_EFI_ERROR (Status);\r | |
1108 | \r | |
1109 | DEBUG ((DEBUG_VERBOSE, "%a: [%02x:%02x.%x] %s -> 0x%02x\n", __FUNCTION__,\r | |
1110 | (UINT32)Bus, (UINT32)Device, (UINT32)Function, DevPathString,\r | |
1111 | IrqLine));\r | |
1112 | \r | |
1113 | if (DevPathString != Fallback) {\r | |
1114 | FreePool (DevPathString);\r | |
1115 | }\r | |
1116 | }\r | |
1117 | DEBUG_CODE_END ();\r | |
1118 | \r | |
1119 | //\r | |
1120 | // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]\r | |
1121 | //\r | |
1122 | Status = PciIo->Pci.Write (\r | |
1123 | PciIo,\r | |
1124 | EfiPciIoWidthUint8,\r | |
1125 | PCI_INT_LINE_OFFSET,\r | |
1126 | 1,\r | |
1127 | &IrqLine\r | |
1128 | );\r | |
1129 | }\r | |
1130 | \r | |
1131 | return Status;\r | |
1132 | }\r | |
1133 | \r | |
1134 | \r | |
1135 | VOID\r | |
1136 | PciAcpiInitialization (\r | |
1137 | )\r | |
1138 | {\r | |
1139 | UINTN Pmba;\r | |
1140 | \r | |
1141 | //\r | |
1142 | // Query Host Bridge DID to determine platform type\r | |
1143 | //\r | |
1144 | mHostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
1145 | switch (mHostBridgeDevId) {\r | |
1146 | case 0x1275: // BHYVE\r | |
1147 | case INTEL_82441_DEVICE_ID:\r | |
1148 | Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);\r | |
1149 | //\r | |
1150 | // 00:01.0 ISA Bridge (PIIX4) LNK routing targets\r | |
1151 | //\r | |
1152 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b); // A\r | |
1153 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x0b); // B\r | |
1154 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0a); // C\r | |
1155 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // D\r | |
1156 | break;\r | |
1157 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1158 | Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);\r | |
1159 | //\r | |
1160 | // 00:1f.0 LPC Bridge (Q35) LNK routing targets\r | |
1161 | //\r | |
1162 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), 0x0a); // A\r | |
1163 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), 0x0a); // B\r | |
1164 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), 0x0b); // C\r | |
1165 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), 0x0b); // D\r | |
1166 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), 0x0a); // E\r | |
1167 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), 0x0a); // F\r | |
1168 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), 0x0b); // G\r | |
1169 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), 0x0b); // H\r | |
1170 | break;\r | |
1171 | default:\r | |
1172 | DEBUG ((DEBUG_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",\r | |
1173 | __FUNCTION__, mHostBridgeDevId));\r | |
1174 | ASSERT (FALSE);\r | |
1175 | return;\r | |
1176 | }\r | |
1177 | \r | |
1178 | //\r | |
1179 | // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices\r | |
1180 | //\r | |
1181 | VisitAllPciInstances (SetPciIntLine);\r | |
1182 | \r | |
1183 | //\r | |
1184 | // Set ACPI SCI_EN bit in PMCNTRL\r | |
1185 | //\r | |
1186 | IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);\r | |
1187 | }\r | |
1188 | \r | |
1189 | EFI_STATUS\r | |
1190 | EFIAPI\r | |
1191 | ConnectRecursivelyIfPciMassStorage (\r | |
1192 | IN EFI_HANDLE Handle,\r | |
1193 | IN EFI_PCI_IO_PROTOCOL *Instance,\r | |
1194 | IN PCI_TYPE00 *PciHeader\r | |
1195 | )\r | |
1196 | {\r | |
1197 | EFI_STATUS Status;\r | |
1198 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
1199 | CHAR16 *DevPathStr;\r | |
1200 | \r | |
1201 | //\r | |
1202 | // Recognize PCI Mass Storage, and Xen PCI devices\r | |
1203 | //\r | |
1204 | if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE)) {\r | |
1205 | DevicePath = NULL;\r | |
1206 | Status = gBS->HandleProtocol (\r | |
1207 | Handle,\r | |
1208 | &gEfiDevicePathProtocolGuid,\r | |
1209 | (VOID*)&DevicePath\r | |
1210 | );\r | |
1211 | if (EFI_ERROR (Status)) {\r | |
1212 | return Status;\r | |
1213 | }\r | |
1214 | \r | |
1215 | //\r | |
1216 | // Print Device Path\r | |
1217 | //\r | |
1218 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r | |
1219 | if (DevPathStr != NULL) {\r | |
1220 | DEBUG((\r | |
1221 | DEBUG_INFO,\r | |
1222 | "Found %s device: %s\n",\r | |
1223 | (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ?\r | |
1224 | L"Mass Storage" :\r | |
1225 | L"Xen"\r | |
1226 | ),\r | |
1227 | DevPathStr\r | |
1228 | ));\r | |
1229 | FreePool(DevPathStr);\r | |
1230 | }\r | |
1231 | \r | |
1232 | Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
1233 | if (EFI_ERROR (Status)) {\r | |
1234 | return Status;\r | |
1235 | }\r | |
1236 | \r | |
1237 | }\r | |
1238 | \r | |
1239 | return EFI_SUCCESS;\r | |
1240 | }\r | |
1241 | \r | |
1242 | \r | |
1243 | /**\r | |
1244 | This notification function is invoked when the\r | |
1245 | EMU Variable FVB has been changed.\r | |
1246 | \r | |
1247 | @param Event The event that occurred\r | |
1248 | @param Context For EFI compatibility. Not used.\r | |
1249 | \r | |
1250 | **/\r | |
1251 | VOID\r | |
1252 | EFIAPI\r | |
1253 | EmuVariablesUpdatedCallback (\r | |
1254 | IN EFI_EVENT Event,\r | |
1255 | IN VOID *Context\r | |
1256 | )\r | |
1257 | {\r | |
1258 | DEBUG ((DEBUG_INFO, "EmuVariablesUpdatedCallback\n"));\r | |
1259 | UpdateNvVarsOnFileSystem ();\r | |
1260 | }\r | |
1261 | \r | |
1262 | \r | |
1263 | EFI_STATUS\r | |
1264 | EFIAPI\r | |
1265 | VisitingFileSystemInstance (\r | |
1266 | IN EFI_HANDLE Handle,\r | |
1267 | IN VOID *Instance,\r | |
1268 | IN VOID *Context\r | |
1269 | )\r | |
1270 | {\r | |
1271 | EFI_STATUS Status;\r | |
1272 | STATIC BOOLEAN ConnectedToFileSystem = FALSE;\r | |
1273 | RETURN_STATUS PcdStatus;\r | |
1274 | \r | |
1275 | if (ConnectedToFileSystem) {\r | |
1276 | return EFI_ALREADY_STARTED;\r | |
1277 | }\r | |
1278 | \r | |
1279 | Status = ConnectNvVarsToFileSystem (Handle);\r | |
1280 | if (EFI_ERROR (Status)) {\r | |
1281 | return Status;\r | |
1282 | }\r | |
1283 | \r | |
1284 | ConnectedToFileSystem = TRUE;\r | |
1285 | mEmuVariableEvent =\r | |
1286 | EfiCreateProtocolNotifyEvent (\r | |
1287 | &gEfiDevicePathProtocolGuid,\r | |
1288 | TPL_CALLBACK,\r | |
1289 | EmuVariablesUpdatedCallback,\r | |
1290 | NULL,\r | |
1291 | &mEmuVariableEventReg\r | |
1292 | );\r | |
1293 | PcdStatus = PcdSet64S (PcdEmuVariableEvent,\r | |
1294 | (UINT64)(UINTN) mEmuVariableEvent);\r | |
1295 | ASSERT_RETURN_ERROR (PcdStatus);\r | |
1296 | \r | |
1297 | return EFI_SUCCESS;\r | |
1298 | }\r | |
1299 | \r | |
1300 | \r | |
1301 | VOID\r | |
1302 | PlatformBdsRestoreNvVarsFromHardDisk (\r | |
1303 | )\r | |
1304 | {\r | |
1305 | VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);\r | |
1306 | VisitAllInstancesOfProtocol (\r | |
1307 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1308 | VisitingFileSystemInstance,\r | |
1309 | NULL\r | |
1310 | );\r | |
1311 | \r | |
1312 | }\r | |
1313 | \r | |
1314 | /**\r | |
1315 | Connect with predefined platform connect sequence.\r | |
1316 | \r | |
1317 | The OEM/IBV can customize with their own connect sequence.\r | |
1318 | **/\r | |
1319 | VOID\r | |
1320 | PlatformBdsConnectSequence (\r | |
1321 | VOID\r | |
1322 | )\r | |
1323 | {\r | |
1324 | UINTN Index;\r | |
1325 | \r | |
1326 | DEBUG ((DEBUG_INFO, "PlatformBdsConnectSequence\n"));\r | |
1327 | \r | |
1328 | Index = 0;\r | |
1329 | \r | |
1330 | //\r | |
1331 | // Here we can get the customized platform connect sequence\r | |
1332 | // Notes: we can connect with new variable which record the\r | |
1333 | // last time boots connect device path sequence\r | |
1334 | //\r | |
1335 | while (gPlatformConnectSequence[Index] != NULL) {\r | |
1336 | //\r | |
1337 | // Build the platform boot option\r | |
1338 | //\r | |
1339 | EfiBootManagerConnectDevicePath (gPlatformConnectSequence[Index], NULL);\r | |
1340 | Index++;\r | |
1341 | }\r | |
1342 | \r | |
1343 | //\r | |
1344 | // Just use the simple policy to connect all devices\r | |
1345 | //\r | |
1346 | DEBUG ((DEBUG_INFO, "EfiBootManagerConnectAll\n"));\r | |
1347 | EfiBootManagerConnectAll ();\r | |
1348 | }\r | |
1349 | \r | |
1350 | /**\r | |
1351 | Save the S3 boot script.\r | |
1352 | \r | |
1353 | Note that DxeSmmReadyToLock must be signaled after this function returns;\r | |
1354 | otherwise the script wouldn't be saved actually.\r | |
1355 | **/\r | |
1356 | #if defined(__GNUC__)\r | |
1357 | __attribute__((unused))\r | |
1358 | #endif\r | |
1359 | STATIC\r | |
1360 | VOID\r | |
1361 | SaveS3BootScript (\r | |
1362 | VOID\r | |
1363 | )\r | |
1364 | {\r | |
1365 | EFI_STATUS Status;\r | |
1366 | EFI_S3_SAVE_STATE_PROTOCOL *BootScript;\r | |
1367 | STATIC CONST UINT8 Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };\r | |
1368 | \r | |
1369 | Status = gBS->LocateProtocol (&gEfiS3SaveStateProtocolGuid, NULL,\r | |
1370 | (VOID **) &BootScript);\r | |
1371 | ASSERT_EFI_ERROR (Status);\r | |
1372 | \r | |
1373 | //\r | |
1374 | // Despite the opcode documentation in the PI spec, the protocol\r | |
1375 | // implementation embeds a deep copy of the info in the boot script, rather\r | |
1376 | // than storing just a pointer to runtime or NVS storage.\r | |
1377 | //\r | |
1378 | Status = BootScript->Write(BootScript, EFI_BOOT_SCRIPT_INFORMATION_OPCODE,\r | |
1379 | (UINT32) sizeof Info,\r | |
1380 | (EFI_PHYSICAL_ADDRESS)(UINTN) &Info);\r | |
1381 | ASSERT_EFI_ERROR (Status);\r | |
1382 | }\r | |
1383 | \r | |
1384 | \r | |
1385 | /**\r | |
1386 | Do the platform specific action after the console is ready\r | |
1387 | \r | |
1388 | Possible things that can be done in PlatformBootManagerAfterConsole:\r | |
1389 | \r | |
1390 | > Console post action:\r | |
1391 | > Dynamically switch output mode from 100x31 to 80x25 for certain senarino\r | |
1392 | > Signal console ready platform customized event\r | |
1393 | > Run diagnostics like memory testing\r | |
1394 | > Connect certain devices\r | |
1395 | > Dispatch aditional option roms\r | |
1396 | > Special boot: e.g.: USB boot, enter UI\r | |
1397 | **/\r | |
1398 | VOID\r | |
1399 | EFIAPI\r | |
1400 | PlatformBootManagerAfterConsole (\r | |
1401 | VOID\r | |
1402 | )\r | |
1403 | {\r | |
1404 | EFI_BOOT_MODE BootMode;\r | |
1405 | \r | |
1406 | DEBUG ((DEBUG_INFO, "PlatformBootManagerAfterConsole\n"));\r | |
1407 | \r | |
1408 | if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {\r | |
1409 | DEBUG ((DEBUG_INFO, "PlatformBdsPolicyBehavior: not restoring NvVars "\r | |
1410 | "from disk since flash variables appear to be supported.\n"));\r | |
1411 | } else {\r | |
1412 | //\r | |
1413 | // Try to restore variables from the hard disk early so\r | |
1414 | // they can be used for the other BDS connect operations.\r | |
1415 | //\r | |
1416 | /* XXX Calling this causes Keyboard to be removed from ConIn which\r | |
1417 | results in unresponsive guest boot loaders in the GUI. Restore it\r | |
1418 | when we figure out what is needed to get NvVars storage done\r | |
1419 | properly.\r | |
1420 | */\r | |
1421 | /*PlatformBdsRestoreNvVarsFromHardDisk ();*/\r | |
1422 | }\r | |
1423 | \r | |
1424 | //\r | |
1425 | // Get current Boot Mode\r | |
1426 | //\r | |
1427 | BootMode = GetBootModeHob ();\r | |
1428 | DEBUG ((DEBUG_INFO, "Boot Mode:%x\n", BootMode));\r | |
1429 | \r | |
1430 | //\r | |
1431 | // Go the different platform policy with different boot mode\r | |
1432 | // Notes: this part code can be change with the table policy\r | |
1433 | //\r | |
1434 | ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);\r | |
1435 | \r | |
1436 | //\r | |
1437 | // Logo show\r | |
1438 | //\r | |
1439 | BootLogoEnableLogo ();\r | |
1440 | \r | |
1441 | //\r | |
1442 | // Set PCI Interrupt Line registers and ACPI SCI_EN\r | |
1443 | //\r | |
1444 | PciAcpiInitialization ();\r | |
1445 | \r | |
1446 | //\r | |
1447 | // Process TPM PPI request\r | |
1448 | //\r | |
1449 | Tcg2PhysicalPresenceLibProcessRequest (NULL);\r | |
1450 | \r | |
1451 | //\r | |
1452 | // Perform some platform specific connect sequence\r | |
1453 | //\r | |
1454 | PlatformBdsConnectSequence ();\r | |
1455 | \r | |
1456 | EfiBootManagerRefreshAllBootOption ();\r | |
1457 | \r | |
1458 | //\r | |
1459 | // Register UEFI Shell\r | |
1460 | //\r | |
1461 | PlatformRegisterFvBootOption (\r | |
1462 | &gUefiShellFileGuid, L"EFI Internal Shell", LOAD_OPTION_ACTIVE\r | |
1463 | );\r | |
1464 | \r | |
1465 | RemoveStaleFvFileOptions ();\r | |
1466 | \r | |
1467 | PlatformBmPrintScRegisterHandler ();\r | |
1468 | }\r | |
1469 | \r | |
1470 | /**\r | |
1471 | This notification function is invoked when an instance of the\r | |
1472 | EFI_DEVICE_PATH_PROTOCOL is produced.\r | |
1473 | \r | |
1474 | @param Event The event that occurred\r | |
1475 | @param Context For EFI compatibility. Not used.\r | |
1476 | \r | |
1477 | **/\r | |
1478 | VOID\r | |
1479 | EFIAPI\r | |
1480 | NotifyDevPath (\r | |
1481 | IN EFI_EVENT Event,\r | |
1482 | IN VOID *Context\r | |
1483 | )\r | |
1484 | {\r | |
1485 | EFI_HANDLE Handle;\r | |
1486 | EFI_STATUS Status;\r | |
1487 | UINTN BufferSize;\r | |
1488 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1489 | ATAPI_DEVICE_PATH *Atapi;\r | |
1490 | \r | |
1491 | //\r | |
1492 | // Examine all new handles\r | |
1493 | //\r | |
1494 | for (;;) {\r | |
1495 | //\r | |
1496 | // Get the next handle\r | |
1497 | //\r | |
1498 | BufferSize = sizeof (Handle);\r | |
1499 | Status = gBS->LocateHandle (\r | |
1500 | ByRegisterNotify,\r | |
1501 | NULL,\r | |
1502 | mEfiDevPathNotifyReg,\r | |
1503 | &BufferSize,\r | |
1504 | &Handle\r | |
1505 | );\r | |
1506 | \r | |
1507 | //\r | |
1508 | // If not found, we're done\r | |
1509 | //\r | |
1510 | if (EFI_NOT_FOUND == Status) {\r | |
1511 | break;\r | |
1512 | }\r | |
1513 | \r | |
1514 | if (EFI_ERROR (Status)) {\r | |
1515 | continue;\r | |
1516 | }\r | |
1517 | \r | |
1518 | //\r | |
1519 | // Get the DevicePath protocol on that handle\r | |
1520 | //\r | |
1521 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid,\r | |
1522 | (VOID **)&DevPathNode);\r | |
1523 | ASSERT_EFI_ERROR (Status);\r | |
1524 | \r | |
1525 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1526 | //\r | |
1527 | // Find the handler to dump this device path node\r | |
1528 | //\r | |
1529 | if (\r | |
1530 | (DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&\r | |
1531 | (DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)\r | |
1532 | ) {\r | |
1533 | Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;\r | |
1534 | PciOr16 (\r | |
1535 | PCI_LIB_ADDRESS (\r | |
1536 | 0,\r | |
1537 | 1,\r | |
1538 | 1,\r | |
1539 | (Atapi->PrimarySecondary == 1) ? 0x42: 0x40\r | |
1540 | ),\r | |
1541 | BIT15\r | |
1542 | );\r | |
1543 | }\r | |
1544 | \r | |
1545 | //\r | |
1546 | // Next device path node\r | |
1547 | //\r | |
1548 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1549 | }\r | |
1550 | }\r | |
1551 | \r | |
1552 | return;\r | |
1553 | }\r | |
1554 | \r | |
1555 | \r | |
1556 | VOID\r | |
1557 | InstallDevicePathCallback (\r | |
1558 | VOID\r | |
1559 | )\r | |
1560 | {\r | |
1561 | DEBUG ((DEBUG_INFO, "Registered NotifyDevPath Event\n"));\r | |
1562 | mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (\r | |
1563 | &gEfiDevicePathProtocolGuid,\r | |
1564 | TPL_CALLBACK,\r | |
1565 | NotifyDevPath,\r | |
1566 | NULL,\r | |
1567 | &mEfiDevPathNotifyReg\r | |
1568 | );\r | |
1569 | }\r | |
1570 | \r | |
1571 | /**\r | |
1572 | This function is called each second during the boot manager waits the\r | |
1573 | timeout.\r | |
1574 | \r | |
1575 | @param TimeoutRemain The remaining timeout.\r | |
1576 | **/\r | |
1577 | VOID\r | |
1578 | EFIAPI\r | |
1579 | PlatformBootManagerWaitCallback (\r | |
1580 | UINT16 TimeoutRemain\r | |
1581 | )\r | |
1582 | {\r | |
1583 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;\r | |
1584 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;\r | |
1585 | UINT16 Timeout;\r | |
1586 | \r | |
1587 | Timeout = PcdGet16 (PcdPlatformBootTimeOut);\r | |
1588 | \r | |
1589 | Black.Raw = 0x00000000;\r | |
1590 | White.Raw = 0x00FFFFFF;\r | |
1591 | \r | |
1592 | BootLogoUpdateProgress (\r | |
1593 | White.Pixel,\r | |
1594 | Black.Pixel,\r | |
1595 | L"Start boot option",\r | |
1596 | White.Pixel,\r | |
1597 | (Timeout - TimeoutRemain) * 100 / Timeout,\r | |
1598 | 0\r | |
1599 | );\r | |
1600 | }\r | |
1601 | \r | |
1602 | /**\r | |
1603 | The function is called when no boot option could be launched,\r | |
1604 | including platform recovery options and options pointing to applications\r | |
1605 | built into firmware volumes.\r | |
1606 | \r | |
1607 | If this function returns, BDS attempts to enter an infinite loop.\r | |
1608 | **/\r | |
1609 | VOID\r | |
1610 | EFIAPI\r | |
1611 | PlatformBootManagerUnableToBoot (\r | |
1612 | VOID\r | |
1613 | )\r | |
1614 | {\r | |
1615 | EFI_STATUS Status;\r | |
1616 | EFI_INPUT_KEY Key;\r | |
1617 | EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r | |
1618 | UINTN Index;\r | |
1619 | \r | |
1620 | //\r | |
1621 | // BootManagerMenu doesn't contain the correct information when return status\r | |
1622 | // is EFI_NOT_FOUND.\r | |
1623 | //\r | |
1624 | Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r | |
1625 | if (EFI_ERROR (Status)) {\r | |
1626 | return;\r | |
1627 | }\r | |
1628 | //\r | |
1629 | // Normally BdsDxe does not print anything to the system console, but this is\r | |
1630 | // a last resort -- the end-user will likely not see any DEBUG messages\r | |
1631 | // logged in this situation.\r | |
1632 | //\r | |
1633 | // AsciiPrint() will NULL-check gST->ConOut internally. We check gST->ConIn\r | |
1634 | // here to see if it makes sense to request and wait for a keypress.\r | |
1635 | //\r | |
1636 | if (gST->ConIn != NULL) {\r | |
1637 | AsciiPrint (\r | |
1638 | "%a: No bootable option or device was found.\n"\r | |
1639 | "%a: Press any key to enter the Boot Manager Menu.\n",\r | |
1640 | gEfiCallerBaseName,\r | |
1641 | gEfiCallerBaseName\r | |
1642 | );\r | |
1643 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r | |
1644 | ASSERT_EFI_ERROR (Status);\r | |
1645 | ASSERT (Index == 0);\r | |
1646 | \r | |
1647 | //\r | |
1648 | // Drain any queued keys.\r | |
1649 | //\r | |
1650 | while (!EFI_ERROR (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key))) {\r | |
1651 | //\r | |
1652 | // just throw away Key\r | |
1653 | //\r | |
1654 | }\r | |
1655 | }\r | |
1656 | \r | |
1657 | for (;;) {\r | |
1658 | EfiBootManagerBoot (&BootManagerMenu);\r | |
1659 | }\r | |
1660 | }\r |