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30541881 RN |
1 | /** @file\r |
2 | Platform BDS customizations.\r | |
3 | \r | |
84f736a7 | 4 | Copyright (c) 2004 - 2019, Intel Corporation. All rights reserved.<BR>\r |
b26f0cf9 | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
30541881 RN |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "BdsPlatform.h"\r | |
10 | #include <Guid/RootBridgesConnectedEventGroup.h>\r | |
55f47d22 | 11 | #include <Guid/SerialPortLibVendor.h>\r |
2eb35898 | 12 | #include <Protocol/FirmwareVolume2.h>\r |
a7488174 | 13 | #include <Library/PlatformBmPrintScLib.h>\r |
8d65d3b2 | 14 | #include <Library/Tcg2PhysicalPresenceLib.h>\r |
bc5df198 | 15 | #include <Library/XenPlatformLib.h>\r |
30541881 RN |
16 | \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 | |
30541881 RN |
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 | |
6573ae8c BH |
33 | 0x0a, // LNKA, LNKE\r |
34 | 0x0a, // LNKB, LNKF\r | |
35 | 0x0b, // LNKC, LNKG\r | |
36 | 0x0b // LNKD, LNKH\r | |
30541881 RN |
37 | };\r |
38 | \r | |
30541881 RN |
39 | //\r |
40 | // Type definitions\r | |
41 | //\r | |
42 | \r | |
43 | typedef\r | |
44 | EFI_STATUS\r | |
45 | (EFIAPI *PROTOCOL_INSTANCE_CALLBACK)(\r | |
46 | IN EFI_HANDLE Handle,\r | |
47 | IN VOID *Instance,\r | |
48 | IN VOID *Context\r | |
49 | );\r | |
50 | \r | |
51 | /**\r | |
52 | @param[in] Handle - Handle of PCI device instance\r | |
53 | @param[in] PciIo - PCI IO protocol instance\r | |
54 | @param[in] Pci - PCI Header register block\r | |
55 | **/\r | |
56 | typedef\r | |
57 | EFI_STATUS\r | |
58 | (EFIAPI *VISIT_PCI_INSTANCE_CALLBACK)(\r | |
59 | IN EFI_HANDLE Handle,\r | |
60 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
61 | IN PCI_TYPE00 *Pci\r | |
62 | );\r | |
63 | \r | |
64 | \r | |
65 | //\r | |
66 | // Function prototypes\r | |
67 | //\r | |
68 | \r | |
69 | EFI_STATUS\r | |
70 | VisitAllInstancesOfProtocol (\r | |
71 | IN EFI_GUID *Id,\r | |
72 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
73 | IN VOID *Context\r | |
74 | );\r | |
75 | \r | |
76 | EFI_STATUS\r | |
77 | VisitAllPciInstancesOfProtocol (\r | |
78 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r | |
79 | );\r | |
80 | \r | |
81 | VOID\r | |
82 | InstallDevicePathCallback (\r | |
83 | VOID\r | |
84 | );\r | |
85 | \r | |
07dd96e8 RN |
86 | VOID\r |
87 | PlatformRegisterFvBootOption (\r | |
88 | EFI_GUID *FileGuid,\r | |
89 | CHAR16 *Description,\r | |
90 | UINT32 Attributes\r | |
91 | )\r | |
92 | {\r | |
93 | EFI_STATUS Status;\r | |
94 | INTN OptionIndex;\r | |
95 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
96 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
97 | UINTN BootOptionCount;\r | |
98 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
99 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
100 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
101 | \r | |
102 | Status = gBS->HandleProtocol (\r | |
103 | gImageHandle,\r | |
104 | &gEfiLoadedImageProtocolGuid,\r | |
105 | (VOID **) &LoadedImage\r | |
106 | );\r | |
107 | ASSERT_EFI_ERROR (Status);\r | |
108 | \r | |
109 | EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);\r | |
110 | DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);\r | |
111 | ASSERT (DevicePath != NULL);\r | |
112 | DevicePath = AppendDevicePathNode (\r | |
113 | DevicePath,\r | |
114 | (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r | |
115 | );\r | |
116 | ASSERT (DevicePath != NULL);\r | |
117 | \r | |
118 | Status = EfiBootManagerInitializeLoadOption (\r | |
119 | &NewOption,\r | |
120 | LoadOptionNumberUnassigned,\r | |
121 | LoadOptionTypeBoot,\r | |
122 | Attributes,\r | |
123 | Description,\r | |
124 | DevicePath,\r | |
125 | NULL,\r | |
126 | 0\r | |
127 | );\r | |
128 | ASSERT_EFI_ERROR (Status);\r | |
129 | FreePool (DevicePath);\r | |
130 | \r | |
131 | BootOptions = EfiBootManagerGetLoadOptions (\r | |
132 | &BootOptionCount, LoadOptionTypeBoot\r | |
133 | );\r | |
134 | \r | |
135 | OptionIndex = EfiBootManagerFindLoadOption (\r | |
136 | &NewOption, BootOptions, BootOptionCount\r | |
137 | );\r | |
138 | \r | |
139 | if (OptionIndex == -1) {\r | |
140 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);\r | |
141 | ASSERT_EFI_ERROR (Status);\r | |
142 | }\r | |
143 | EfiBootManagerFreeLoadOption (&NewOption);\r | |
144 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
145 | }\r | |
146 | \r | |
2eb35898 LE |
147 | /**\r |
148 | Remove all MemoryMapped(...)/FvFile(...) and Fv(...)/FvFile(...) boot options\r | |
149 | whose device paths do not resolve exactly to an FvFile in the system.\r | |
150 | \r | |
151 | This removes any boot options that point to binaries built into the firmware\r | |
152 | and have become stale due to any of the following:\r | |
153 | - DXEFV's base address or size changed (historical),\r | |
154 | - DXEFV's FvNameGuid changed,\r | |
155 | - the FILE_GUID of the pointed-to binary changed,\r | |
156 | - the referenced binary is no longer built into the firmware.\r | |
157 | \r | |
158 | EfiBootManagerFindLoadOption() used in PlatformRegisterFvBootOption() only\r | |
159 | avoids exact duplicates.\r | |
160 | **/\r | |
161 | VOID\r | |
162 | RemoveStaleFvFileOptions (\r | |
163 | VOID\r | |
164 | )\r | |
165 | {\r | |
166 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
167 | UINTN BootOptionCount;\r | |
168 | UINTN Index;\r | |
169 | \r | |
170 | BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount,\r | |
171 | LoadOptionTypeBoot);\r | |
172 | \r | |
173 | for (Index = 0; Index < BootOptionCount; ++Index) {\r | |
174 | EFI_DEVICE_PATH_PROTOCOL *Node1, *Node2, *SearchNode;\r | |
175 | EFI_STATUS Status;\r | |
176 | EFI_HANDLE FvHandle;\r | |
177 | \r | |
178 | //\r | |
179 | // If the device path starts with neither MemoryMapped(...) nor Fv(...),\r | |
180 | // then keep the boot option.\r | |
181 | //\r | |
182 | Node1 = BootOptions[Index].FilePath;\r | |
183 | if (!(DevicePathType (Node1) == HARDWARE_DEVICE_PATH &&\r | |
184 | DevicePathSubType (Node1) == HW_MEMMAP_DP) &&\r | |
185 | !(DevicePathType (Node1) == MEDIA_DEVICE_PATH &&\r | |
186 | DevicePathSubType (Node1) == MEDIA_PIWG_FW_VOL_DP)) {\r | |
187 | continue;\r | |
188 | }\r | |
189 | \r | |
190 | //\r | |
191 | // If the second device path node is not FvFile(...), then keep the boot\r | |
192 | // option.\r | |
193 | //\r | |
194 | Node2 = NextDevicePathNode (Node1);\r | |
195 | if (DevicePathType (Node2) != MEDIA_DEVICE_PATH ||\r | |
196 | DevicePathSubType (Node2) != MEDIA_PIWG_FW_FILE_DP) {\r | |
197 | continue;\r | |
198 | }\r | |
199 | \r | |
200 | //\r | |
201 | // Locate the Firmware Volume2 protocol instance that is denoted by the\r | |
202 | // boot option. If this lookup fails (i.e., the boot option references a\r | |
203 | // firmware volume that doesn't exist), then we'll proceed to delete the\r | |
204 | // boot option.\r | |
205 | //\r | |
206 | SearchNode = Node1;\r | |
207 | Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid,\r | |
208 | &SearchNode, &FvHandle);\r | |
209 | \r | |
210 | if (!EFI_ERROR (Status)) {\r | |
211 | //\r | |
212 | // The firmware volume was found; now let's see if it contains the FvFile\r | |
213 | // identified by GUID.\r | |
214 | //\r | |
215 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;\r | |
216 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFileNode;\r | |
217 | UINTN BufferSize;\r | |
218 | EFI_FV_FILETYPE FoundType;\r | |
219 | EFI_FV_FILE_ATTRIBUTES FileAttributes;\r | |
220 | UINT32 AuthenticationStatus;\r | |
221 | \r | |
222 | Status = gBS->HandleProtocol (FvHandle, &gEfiFirmwareVolume2ProtocolGuid,\r | |
223 | (VOID **)&FvProtocol);\r | |
224 | ASSERT_EFI_ERROR (Status);\r | |
225 | \r | |
226 | FvFileNode = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)Node2;\r | |
227 | //\r | |
228 | // Buffer==NULL means we request metadata only: BufferSize, FoundType,\r | |
229 | // FileAttributes.\r | |
230 | //\r | |
231 | Status = FvProtocol->ReadFile (\r | |
232 | FvProtocol,\r | |
233 | &FvFileNode->FvFileName, // NameGuid\r | |
234 | NULL, // Buffer\r | |
235 | &BufferSize,\r | |
236 | &FoundType,\r | |
237 | &FileAttributes,\r | |
238 | &AuthenticationStatus\r | |
239 | );\r | |
240 | if (!EFI_ERROR (Status)) {\r | |
241 | //\r | |
242 | // The FvFile was found. Keep the boot option.\r | |
243 | //\r | |
244 | continue;\r | |
245 | }\r | |
246 | }\r | |
247 | \r | |
248 | //\r | |
249 | // Delete the boot option.\r | |
250 | //\r | |
251 | Status = EfiBootManagerDeleteLoadOptionVariable (\r | |
252 | BootOptions[Index].OptionNumber, LoadOptionTypeBoot);\r | |
253 | DEBUG_CODE (\r | |
254 | CHAR16 *DevicePathString;\r | |
255 | \r | |
256 | DevicePathString = ConvertDevicePathToText(BootOptions[Index].FilePath,\r | |
257 | FALSE, FALSE);\r | |
258 | DEBUG ((\r | |
70d5086c | 259 | EFI_ERROR (Status) ? DEBUG_WARN : DEBUG_VERBOSE,\r |
2eb35898 LE |
260 | "%a: removing stale Boot#%04x %s: %r\n",\r |
261 | __FUNCTION__,\r | |
262 | (UINT32)BootOptions[Index].OptionNumber,\r | |
263 | DevicePathString == NULL ? L"<unavailable>" : DevicePathString,\r | |
264 | Status\r | |
265 | ));\r | |
266 | if (DevicePathString != NULL) {\r | |
267 | FreePool (DevicePathString);\r | |
268 | }\r | |
269 | );\r | |
270 | }\r | |
271 | \r | |
272 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
273 | }\r | |
274 | \r | |
07dd96e8 RN |
275 | VOID\r |
276 | PlatformRegisterOptionsAndKeys (\r | |
277 | VOID\r | |
278 | )\r | |
279 | {\r | |
280 | EFI_STATUS Status;\r | |
281 | EFI_INPUT_KEY Enter;\r | |
282 | EFI_INPUT_KEY F2;\r | |
283 | EFI_INPUT_KEY Esc;\r | |
284 | EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r | |
285 | \r | |
286 | //\r | |
287 | // Register ENTER as CONTINUE key\r | |
288 | //\r | |
289 | Enter.ScanCode = SCAN_NULL;\r | |
290 | Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;\r | |
291 | Status = EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);\r | |
292 | ASSERT_EFI_ERROR (Status);\r | |
293 | \r | |
294 | //\r | |
295 | // Map F2 to Boot Manager Menu\r | |
296 | //\r | |
297 | F2.ScanCode = SCAN_F2;\r | |
298 | F2.UnicodeChar = CHAR_NULL;\r | |
299 | Esc.ScanCode = SCAN_ESC;\r | |
300 | Esc.UnicodeChar = CHAR_NULL;\r | |
301 | Status = EfiBootManagerGetBootManagerMenu (&BootOption);\r | |
302 | ASSERT_EFI_ERROR (Status);\r | |
303 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
304 | NULL, (UINT16) BootOption.OptionNumber, 0, &F2, NULL\r | |
305 | );\r | |
306 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
307 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
308 | NULL, (UINT16) BootOption.OptionNumber, 0, &Esc, NULL\r | |
309 | );\r | |
310 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
07dd96e8 RN |
311 | }\r |
312 | \r | |
30541881 RN |
313 | EFI_STATUS\r |
314 | EFIAPI\r | |
315 | ConnectRootBridge (\r | |
316 | IN EFI_HANDLE RootBridgeHandle,\r | |
317 | IN VOID *Instance,\r | |
318 | IN VOID *Context\r | |
319 | );\r | |
320 | \r | |
7ebad830 LE |
321 | STATIC\r |
322 | EFI_STATUS\r | |
323 | EFIAPI\r | |
324 | ConnectVirtioPciRng (\r | |
325 | IN EFI_HANDLE Handle,\r | |
326 | IN VOID *Instance,\r | |
327 | IN VOID *Context\r | |
328 | );\r | |
329 | \r | |
30541881 RN |
330 | STATIC\r |
331 | VOID\r | |
332 | SaveS3BootScript (\r | |
333 | VOID\r | |
334 | );\r | |
335 | \r | |
336 | //\r | |
337 | // BDS Platform Functions\r | |
338 | //\r | |
fe1b9e8e LE |
339 | /**\r |
340 | Do the platform init, can be customized by OEM/IBV\r | |
341 | \r | |
342 | Possible things that can be done in PlatformBootManagerBeforeConsole:\r | |
343 | \r | |
344 | > Update console variable: 1. include hot-plug devices;\r | |
345 | > 2. Clear ConIn and add SOL for AMT\r | |
346 | > Register new Driver#### or Boot####\r | |
347 | > Register new Key####: e.g.: F12\r | |
348 | > Signal ReadyToLock event\r | |
349 | > Authentication action: 1. connect Auth devices;\r | |
350 | > 2. Identify auto logon user.\r | |
351 | **/\r | |
30541881 RN |
352 | VOID\r |
353 | EFIAPI\r | |
a7566234 | 354 | PlatformBootManagerBeforeConsole (\r |
30541881 RN |
355 | VOID\r |
356 | )\r | |
30541881 | 357 | {\r |
579afd6b LE |
358 | EFI_HANDLE Handle;\r |
359 | EFI_STATUS Status;\r | |
9b08c655 | 360 | UINT16 FrontPageTimeout;\r |
579afd6b | 361 | RETURN_STATUS PcdStatus;\r |
30541881 | 362 | \r |
70d5086c | 363 | DEBUG ((DEBUG_INFO, "PlatformBootManagerBeforeConsole\n"));\r |
30541881 RN |
364 | InstallDevicePathCallback ();\r |
365 | \r | |
366 | VisitAllInstancesOfProtocol (&gEfiPciRootBridgeIoProtocolGuid,\r | |
367 | ConnectRootBridge, NULL);\r | |
368 | \r | |
369 | //\r | |
370 | // Signal the ACPI platform driver that it can download QEMU ACPI tables.\r | |
371 | //\r | |
372 | EfiEventGroupSignal (&gRootBridgesConnectedEventGroupGuid);\r | |
373 | \r | |
374 | //\r | |
375 | // We can't signal End-of-Dxe earlier than this. Namely, End-of-Dxe triggers\r | |
376 | // the preparation of S3 system information. That logic has a hard dependency\r | |
377 | // on the presence of the FACS ACPI table. Since our ACPI tables are only\r | |
378 | // installed after PCI enumeration completes, we must not trigger the S3 save\r | |
379 | // earlier, hence we can't signal End-of-Dxe earlier.\r | |
380 | //\r | |
381 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r | |
382 | \r | |
52e2dabc | 383 | if (PcdGetBool (PcdAcpiS3Enable)) {\r |
30541881 RN |
384 | //\r |
385 | // Save the boot script too. Note that this will require us to emit the\r | |
386 | // DxeSmmReadyToLock event just below, which in turn locks down SMM.\r | |
387 | //\r | |
388 | SaveS3BootScript ();\r | |
389 | }\r | |
390 | \r | |
b8675dea SB |
391 | // We need to connect all trusted consoles for TCG PP. Here we treat all\r |
392 | // consoles in OVMF to be trusted consoles.\r | |
393 | PlatformInitializeConsole (\r | |
394 | XenDetected() ? gXenPlatformConsole : gPlatformConsole);\r | |
395 | \r | |
396 | //\r | |
397 | // Process TPM PPI request; this may require keyboard input\r | |
398 | //\r | |
399 | Tcg2PhysicalPresenceLibProcessRequest (NULL);\r | |
400 | \r | |
30541881 RN |
401 | //\r |
402 | // Prevent further changes to LockBoxes or SMRAM.\r | |
b8675dea | 403 | // Any TPM 2 Physical Presence Interface opcode must be handled before.\r |
30541881 RN |
404 | //\r |
405 | Handle = NULL;\r | |
406 | Status = gBS->InstallProtocolInterface (&Handle,\r | |
407 | &gEfiDxeSmmReadyToLockProtocolGuid, EFI_NATIVE_INTERFACE,\r | |
408 | NULL);\r | |
409 | ASSERT_EFI_ERROR (Status);\r | |
e9e9ad64 | 410 | \r |
9789894e | 411 | //\r |
18064510 LE |
412 | // Dispatch deferred images after EndOfDxe event and ReadyToLock\r |
413 | // installation.\r | |
9789894e RN |
414 | //\r |
415 | EfiBootManagerDispatchDeferredImages ();\r | |
416 | \r | |
9b08c655 LE |
417 | FrontPageTimeout = GetFrontPageTimeoutFromQemu ();\r |
418 | PcdStatus = PcdSet16S (PcdPlatformBootTimeOut, FrontPageTimeout);\r | |
579afd6b | 419 | ASSERT_RETURN_ERROR (PcdStatus);\r |
9b08c655 LE |
420 | //\r |
421 | // Reflect the PCD in the standard Timeout variable.\r | |
422 | //\r | |
423 | Status = gRT->SetVariable (\r | |
424 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
425 | &gEfiGlobalVariableGuid,\r | |
426 | (EFI_VARIABLE_NON_VOLATILE |\r | |
427 | EFI_VARIABLE_BOOTSERVICE_ACCESS |\r | |
428 | EFI_VARIABLE_RUNTIME_ACCESS),\r | |
429 | sizeof FrontPageTimeout,\r | |
430 | &FrontPageTimeout\r | |
431 | );\r | |
432 | DEBUG ((\r | |
433 | EFI_ERROR (Status) ? DEBUG_ERROR : DEBUG_VERBOSE,\r | |
434 | "%a: SetVariable(%s, %u): %r\n",\r | |
435 | __FUNCTION__,\r | |
436 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
437 | FrontPageTimeout,\r | |
438 | Status\r | |
439 | ));\r | |
07dd96e8 RN |
440 | \r |
441 | PlatformRegisterOptionsAndKeys ();\r | |
7ebad830 LE |
442 | \r |
443 | //\r | |
444 | // Install both VIRTIO_DEVICE_PROTOCOL and (dependent) EFI_RNG_PROTOCOL\r | |
445 | // instances on Virtio PCI RNG devices.\r | |
446 | //\r | |
447 | VisitAllInstancesOfProtocol (&gEfiPciIoProtocolGuid, ConnectVirtioPciRng,\r | |
448 | NULL);\r | |
30541881 RN |
449 | }\r |
450 | \r | |
451 | \r | |
452 | EFI_STATUS\r | |
453 | EFIAPI\r | |
454 | ConnectRootBridge (\r | |
455 | IN EFI_HANDLE RootBridgeHandle,\r | |
456 | IN VOID *Instance,\r | |
457 | IN VOID *Context\r | |
458 | )\r | |
459 | {\r | |
460 | EFI_STATUS Status;\r | |
461 | \r | |
462 | //\r | |
463 | // Make the PCI bus driver connect the root bridge, non-recursively. This\r | |
464 | // will produce a number of child handles with PciIo on them.\r | |
465 | //\r | |
466 | Status = gBS->ConnectController (\r | |
467 | RootBridgeHandle, // ControllerHandle\r | |
468 | NULL, // DriverImageHandle\r | |
469 | NULL, // RemainingDevicePath -- produce all\r | |
470 | // children\r | |
471 | FALSE // Recursive\r | |
472 | );\r | |
473 | return Status;\r | |
474 | }\r | |
475 | \r | |
476 | \r | |
7ebad830 LE |
477 | STATIC\r |
478 | EFI_STATUS\r | |
479 | EFIAPI\r | |
480 | ConnectVirtioPciRng (\r | |
481 | IN EFI_HANDLE Handle,\r | |
482 | IN VOID *Instance,\r | |
483 | IN VOID *Context\r | |
484 | )\r | |
485 | {\r | |
486 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
487 | EFI_STATUS Status;\r | |
488 | UINT16 VendorId;\r | |
489 | UINT16 DeviceId;\r | |
490 | UINT8 RevisionId;\r | |
491 | BOOLEAN Virtio10;\r | |
492 | UINT16 SubsystemId;\r | |
493 | \r | |
494 | PciIo = Instance;\r | |
495 | \r | |
496 | //\r | |
497 | // Read and check VendorId.\r | |
498 | //\r | |
499 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, PCI_VENDOR_ID_OFFSET,\r | |
500 | 1, &VendorId);\r | |
501 | if (EFI_ERROR (Status)) {\r | |
502 | goto Error;\r | |
503 | }\r | |
504 | if (VendorId != VIRTIO_VENDOR_ID) {\r | |
505 | return EFI_SUCCESS;\r | |
506 | }\r | |
507 | \r | |
508 | //\r | |
509 | // Read DeviceId and RevisionId.\r | |
510 | //\r | |
511 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, PCI_DEVICE_ID_OFFSET,\r | |
512 | 1, &DeviceId);\r | |
513 | if (EFI_ERROR (Status)) {\r | |
514 | goto Error;\r | |
515 | }\r | |
516 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, PCI_REVISION_ID_OFFSET,\r | |
517 | 1, &RevisionId);\r | |
518 | if (EFI_ERROR (Status)) {\r | |
519 | goto Error;\r | |
520 | }\r | |
521 | \r | |
522 | //\r | |
523 | // From DeviceId and RevisionId, determine whether the device is a\r | |
524 | // modern-only Virtio 1.0 device. In case of Virtio 1.0, DeviceId can\r | |
525 | // immediately be restricted to VIRTIO_SUBSYSTEM_ENTROPY_SOURCE, and\r | |
526 | // SubsystemId will only play a sanity-check role. Otherwise, DeviceId can\r | |
527 | // only be sanity-checked, and SubsystemId will decide.\r | |
528 | //\r | |
529 | if (DeviceId == 0x1040 + VIRTIO_SUBSYSTEM_ENTROPY_SOURCE &&\r | |
530 | RevisionId >= 0x01) {\r | |
531 | Virtio10 = TRUE;\r | |
532 | } else if (DeviceId >= 0x1000 && DeviceId <= 0x103F && RevisionId == 0x00) {\r | |
533 | Virtio10 = FALSE;\r | |
534 | } else {\r | |
535 | return EFI_SUCCESS;\r | |
536 | }\r | |
537 | \r | |
538 | //\r | |
539 | // Read and check SubsystemId as dictated by Virtio10.\r | |
540 | //\r | |
541 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16,\r | |
542 | PCI_SUBSYSTEM_ID_OFFSET, 1, &SubsystemId);\r | |
543 | if (EFI_ERROR (Status)) {\r | |
544 | goto Error;\r | |
545 | }\r | |
546 | if ((Virtio10 && SubsystemId >= 0x40) ||\r | |
547 | (!Virtio10 && SubsystemId == VIRTIO_SUBSYSTEM_ENTROPY_SOURCE)) {\r | |
548 | Status = gBS->ConnectController (\r | |
549 | Handle, // ControllerHandle\r | |
550 | NULL, // DriverImageHandle -- connect all drivers\r | |
551 | NULL, // RemainingDevicePath -- produce all child handles\r | |
552 | FALSE // Recursive -- don't follow child handles\r | |
553 | );\r | |
554 | if (EFI_ERROR (Status)) {\r | |
555 | goto Error;\r | |
556 | }\r | |
557 | }\r | |
558 | return EFI_SUCCESS;\r | |
559 | \r | |
560 | Error:\r | |
561 | DEBUG ((DEBUG_ERROR, "%a: %r\n", __FUNCTION__, Status));\r | |
562 | return Status;\r | |
563 | }\r | |
564 | \r | |
565 | \r | |
fe1b9e8e LE |
566 | /**\r |
567 | Add IsaKeyboard to ConIn; add IsaSerial to ConOut, ConIn, ErrOut.\r | |
568 | \r | |
569 | @param[in] DeviceHandle Handle of the LPC Bridge device.\r | |
570 | \r | |
571 | @retval EFI_SUCCESS Console devices on the LPC bridge have been added to\r | |
572 | ConOut, ConIn, and ErrOut.\r | |
573 | \r | |
574 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
575 | from DeviceHandle.\r | |
576 | **/\r | |
30541881 RN |
577 | EFI_STATUS\r |
578 | PrepareLpcBridgeDevicePath (\r | |
579 | IN EFI_HANDLE DeviceHandle\r | |
580 | )\r | |
30541881 RN |
581 | {\r |
582 | EFI_STATUS Status;\r | |
583 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
584 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
585 | CHAR16 *DevPathStr;\r | |
586 | \r | |
587 | DevicePath = NULL;\r | |
588 | Status = gBS->HandleProtocol (\r | |
589 | DeviceHandle,\r | |
590 | &gEfiDevicePathProtocolGuid,\r | |
591 | (VOID*)&DevicePath\r | |
592 | );\r | |
593 | if (EFI_ERROR (Status)) {\r | |
594 | return Status;\r | |
595 | }\r | |
596 | TempDevicePath = DevicePath;\r | |
597 | \r | |
598 | //\r | |
599 | // Register Keyboard\r | |
600 | //\r | |
18064510 LE |
601 | DevicePath = AppendDevicePathNode (DevicePath,\r |
602 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode);\r | |
30541881 | 603 | \r |
9dc08ec6 | 604 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r |
30541881 RN |
605 | \r |
606 | //\r | |
607 | // Register COM1\r | |
608 | //\r | |
609 | DevicePath = TempDevicePath;\r | |
610 | gPnp16550ComPortDeviceNode.UID = 0;\r | |
611 | \r | |
18064510 LE |
612 | DevicePath = AppendDevicePathNode (DevicePath,\r |
613 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
614 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
615 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
616 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
617 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
30541881 RN |
618 | \r |
619 | //\r | |
620 | // Print Device Path\r | |
621 | //\r | |
77f47588 | 622 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 RN |
623 | if (DevPathStr != NULL) {\r |
624 | DEBUG((\r | |
70d5086c | 625 | DEBUG_INFO,\r |
30541881 RN |
626 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r |
627 | __LINE__,\r | |
628 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
629 | DevPathStr\r | |
630 | ));\r | |
631 | FreePool(DevPathStr);\r | |
632 | }\r | |
633 | \r | |
9dc08ec6 RN |
634 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
635 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
636 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
637 | \r |
638 | //\r | |
639 | // Register COM2\r | |
640 | //\r | |
641 | DevicePath = TempDevicePath;\r | |
642 | gPnp16550ComPortDeviceNode.UID = 1;\r | |
643 | \r | |
18064510 LE |
644 | DevicePath = AppendDevicePathNode (DevicePath,\r |
645 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
646 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
647 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
648 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
649 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
30541881 RN |
650 | \r |
651 | //\r | |
652 | // Print Device Path\r | |
653 | //\r | |
77f47588 | 654 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 RN |
655 | if (DevPathStr != NULL) {\r |
656 | DEBUG((\r | |
70d5086c | 657 | DEBUG_INFO,\r |
30541881 RN |
658 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r |
659 | __LINE__,\r | |
660 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
661 | DevPathStr\r | |
662 | ));\r | |
663 | FreePool(DevPathStr);\r | |
664 | }\r | |
665 | \r | |
9dc08ec6 RN |
666 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
667 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
668 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
669 | \r |
670 | return EFI_SUCCESS;\r | |
671 | }\r | |
672 | \r | |
55f47d22 GH |
673 | typedef struct {\r |
674 | VENDOR_DEVICE_PATH Guid;\r | |
675 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
676 | } SERIAL_DEVICE_PATH;\r | |
677 | \r | |
678 | SERIAL_DEVICE_PATH serialDevicePath = {\r | |
679 | {\r | |
680 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, { sizeof (VENDOR_DEVICE_PATH), 0} },\r | |
681 | EDKII_SERIAL_PORT_LIB_VENDOR_GUID\r | |
682 | },\r | |
683 | { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 } }\r | |
684 | };\r | |
685 | \r | |
686 | VOID\r | |
687 | PrepareMicrovmDevicePath (\r | |
688 | VOID\r | |
689 | )\r | |
690 | {\r | |
691 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
692 | UINT16 HostBridgeDevId;\r | |
693 | \r | |
694 | HostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
695 | if (HostBridgeDevId != MICROVM_PSEUDO_DEVICE_ID) {\r | |
696 | return;\r | |
697 | }\r | |
698 | \r | |
699 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL*)&serialDevicePath;\r | |
700 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
701 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
702 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
703 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
704 | \r | |
705 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
706 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
707 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
708 | }\r | |
709 | \r | |
30541881 RN |
710 | EFI_STATUS\r |
711 | GetGopDevicePath (\r | |
712 | IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,\r | |
713 | OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath\r | |
714 | )\r | |
715 | {\r | |
716 | UINTN Index;\r | |
717 | EFI_STATUS Status;\r | |
718 | EFI_HANDLE PciDeviceHandle;\r | |
719 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
720 | EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;\r | |
721 | UINTN GopHandleCount;\r | |
722 | EFI_HANDLE *GopHandleBuffer;\r | |
723 | \r | |
724 | if (PciDevicePath == NULL || GopDevicePath == NULL) {\r | |
725 | return EFI_INVALID_PARAMETER;\r | |
726 | }\r | |
727 | \r | |
728 | //\r | |
729 | // Initialize the GopDevicePath to be PciDevicePath\r | |
730 | //\r | |
731 | *GopDevicePath = PciDevicePath;\r | |
732 | TempPciDevicePath = PciDevicePath;\r | |
733 | \r | |
734 | Status = gBS->LocateDevicePath (\r | |
735 | &gEfiDevicePathProtocolGuid,\r | |
736 | &TempPciDevicePath,\r | |
737 | &PciDeviceHandle\r | |
738 | );\r | |
739 | if (EFI_ERROR (Status)) {\r | |
740 | return Status;\r | |
741 | }\r | |
742 | \r | |
743 | //\r | |
f17c0ab6 | 744 | // Try to connect this handle, so that GOP driver could start on this\r |
30541881 RN |
745 | // device and create child handles with GraphicsOutput Protocol installed\r |
746 | // on them, then we get device paths of these child handles and select\r | |
747 | // them as possible console device.\r | |
748 | //\r | |
749 | gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);\r | |
750 | \r | |
751 | Status = gBS->LocateHandleBuffer (\r | |
752 | ByProtocol,\r | |
753 | &gEfiGraphicsOutputProtocolGuid,\r | |
754 | NULL,\r | |
755 | &GopHandleCount,\r | |
756 | &GopHandleBuffer\r | |
757 | );\r | |
758 | if (!EFI_ERROR (Status)) {\r | |
759 | //\r | |
760 | // Add all the child handles as possible Console Device\r | |
761 | //\r | |
762 | for (Index = 0; Index < GopHandleCount; Index++) {\r | |
18064510 LE |
763 | Status = gBS->HandleProtocol (GopHandleBuffer[Index],\r |
764 | &gEfiDevicePathProtocolGuid, (VOID*)&TempDevicePath);\r | |
30541881 RN |
765 | if (EFI_ERROR (Status)) {\r |
766 | continue;\r | |
767 | }\r | |
768 | if (CompareMem (\r | |
769 | PciDevicePath,\r | |
770 | TempDevicePath,\r | |
771 | GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH\r | |
772 | ) == 0) {\r | |
773 | //\r | |
774 | // In current implementation, we only enable one of the child handles\r | |
775 | // as console device, i.e. sotre one of the child handle's device\r | |
776 | // path to variable "ConOut"\r | |
f17c0ab6 | 777 | // In future, we could select all child handles to be console device\r |
30541881 RN |
778 | //\r |
779 | \r | |
780 | *GopDevicePath = TempDevicePath;\r | |
781 | \r | |
782 | //\r | |
18064510 LE |
783 | // Delete the PCI device's path that added by\r |
784 | // GetPlugInPciVgaDevicePath(). Add the integrity GOP device path.\r | |
30541881 | 785 | //\r |
9dc08ec6 RN |
786 | EfiBootManagerUpdateConsoleVariable (ConOutDev, NULL, PciDevicePath);\r |
787 | EfiBootManagerUpdateConsoleVariable (ConOutDev, TempDevicePath, NULL);\r | |
30541881 RN |
788 | }\r |
789 | }\r | |
790 | gBS->FreePool (GopHandleBuffer);\r | |
791 | }\r | |
792 | \r | |
793 | return EFI_SUCCESS;\r | |
794 | }\r | |
795 | \r | |
fe1b9e8e LE |
796 | /**\r |
797 | Add PCI display to ConOut.\r | |
798 | \r | |
799 | @param[in] DeviceHandle Handle of the PCI display device.\r | |
800 | \r | |
801 | @retval EFI_SUCCESS The PCI display device has been added to ConOut.\r | |
802 | \r | |
803 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
804 | from DeviceHandle.\r | |
805 | **/\r | |
30541881 | 806 | EFI_STATUS\r |
4fdb585c | 807 | PreparePciDisplayDevicePath (\r |
30541881 RN |
808 | IN EFI_HANDLE DeviceHandle\r |
809 | )\r | |
30541881 RN |
810 | {\r |
811 | EFI_STATUS Status;\r | |
812 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
813 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;\r | |
814 | \r | |
815 | DevicePath = NULL;\r | |
816 | GopDevicePath = NULL;\r | |
817 | Status = gBS->HandleProtocol (\r | |
818 | DeviceHandle,\r | |
819 | &gEfiDevicePathProtocolGuid,\r | |
820 | (VOID*)&DevicePath\r | |
821 | );\r | |
822 | if (EFI_ERROR (Status)) {\r | |
823 | return Status;\r | |
824 | }\r | |
825 | \r | |
826 | GetGopDevicePath (DevicePath, &GopDevicePath);\r | |
827 | DevicePath = GopDevicePath;\r | |
828 | \r | |
9dc08ec6 | 829 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
30541881 RN |
830 | \r |
831 | return EFI_SUCCESS;\r | |
832 | }\r | |
833 | \r | |
fe1b9e8e | 834 | /**\r |
30541881 | 835 | Add PCI Serial to ConOut, ConIn, ErrOut.\r |
30541881 | 836 | \r |
fe1b9e8e | 837 | @param[in] DeviceHandle Handle of the PCI serial device.\r |
30541881 | 838 | \r |
fe1b9e8e LE |
839 | @retval EFI_SUCCESS The PCI serial device has been added to ConOut, ConIn,\r |
840 | ErrOut.\r | |
30541881 | 841 | \r |
fe1b9e8e LE |
842 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r |
843 | from DeviceHandle.\r | |
844 | **/\r | |
845 | EFI_STATUS\r | |
846 | PreparePciSerialDevicePath (\r | |
847 | IN EFI_HANDLE DeviceHandle\r | |
848 | )\r | |
30541881 RN |
849 | {\r |
850 | EFI_STATUS Status;\r | |
851 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
852 | \r | |
853 | DevicePath = NULL;\r | |
854 | Status = gBS->HandleProtocol (\r | |
855 | DeviceHandle,\r | |
856 | &gEfiDevicePathProtocolGuid,\r | |
857 | (VOID*)&DevicePath\r | |
858 | );\r | |
859 | if (EFI_ERROR (Status)) {\r | |
860 | return Status;\r | |
861 | }\r | |
862 | \r | |
18064510 LE |
863 | DevicePath = AppendDevicePathNode (DevicePath,\r |
864 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
865 | DevicePath = AppendDevicePathNode (DevicePath,\r | |
866 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
30541881 | 867 | \r |
9dc08ec6 RN |
868 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
869 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
870 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
871 | \r |
872 | return EFI_SUCCESS;\r | |
873 | }\r | |
874 | \r | |
875 | EFI_STATUS\r | |
876 | VisitAllInstancesOfProtocol (\r | |
877 | IN EFI_GUID *Id,\r | |
878 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
879 | IN VOID *Context\r | |
880 | )\r | |
881 | {\r | |
882 | EFI_STATUS Status;\r | |
883 | UINTN HandleCount;\r | |
884 | EFI_HANDLE *HandleBuffer;\r | |
885 | UINTN Index;\r | |
886 | VOID *Instance;\r | |
887 | \r | |
888 | //\r | |
889 | // Start to check all the PciIo to find all possible device\r | |
890 | //\r | |
891 | HandleCount = 0;\r | |
892 | HandleBuffer = NULL;\r | |
893 | Status = gBS->LocateHandleBuffer (\r | |
894 | ByProtocol,\r | |
895 | Id,\r | |
896 | NULL,\r | |
897 | &HandleCount,\r | |
898 | &HandleBuffer\r | |
899 | );\r | |
900 | if (EFI_ERROR (Status)) {\r | |
901 | return Status;\r | |
902 | }\r | |
903 | \r | |
904 | for (Index = 0; Index < HandleCount; Index++) {\r | |
905 | Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);\r | |
906 | if (EFI_ERROR (Status)) {\r | |
907 | continue;\r | |
908 | }\r | |
909 | \r | |
910 | Status = (*CallBackFunction) (\r | |
911 | HandleBuffer[Index],\r | |
912 | Instance,\r | |
913 | Context\r | |
914 | );\r | |
915 | }\r | |
916 | \r | |
917 | gBS->FreePool (HandleBuffer);\r | |
918 | \r | |
919 | return EFI_SUCCESS;\r | |
920 | }\r | |
921 | \r | |
922 | \r | |
923 | EFI_STATUS\r | |
924 | EFIAPI\r | |
925 | VisitingAPciInstance (\r | |
926 | IN EFI_HANDLE Handle,\r | |
927 | IN VOID *Instance,\r | |
928 | IN VOID *Context\r | |
929 | )\r | |
930 | {\r | |
931 | EFI_STATUS Status;\r | |
932 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
933 | PCI_TYPE00 Pci;\r | |
934 | \r | |
935 | PciIo = (EFI_PCI_IO_PROTOCOL*) Instance;\r | |
936 | \r | |
937 | //\r | |
938 | // Check for all PCI device\r | |
939 | //\r | |
940 | Status = PciIo->Pci.Read (\r | |
941 | PciIo,\r | |
942 | EfiPciIoWidthUint32,\r | |
943 | 0,\r | |
944 | sizeof (Pci) / sizeof (UINT32),\r | |
945 | &Pci\r | |
946 | );\r | |
947 | if (EFI_ERROR (Status)) {\r | |
948 | return Status;\r | |
949 | }\r | |
950 | \r | |
951 | return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN) Context) (\r | |
952 | Handle,\r | |
953 | PciIo,\r | |
954 | &Pci\r | |
955 | );\r | |
956 | \r | |
957 | }\r | |
958 | \r | |
959 | \r | |
960 | \r | |
961 | EFI_STATUS\r | |
962 | VisitAllPciInstances (\r | |
963 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r | |
964 | )\r | |
965 | {\r | |
966 | return VisitAllInstancesOfProtocol (\r | |
967 | &gEfiPciIoProtocolGuid,\r | |
968 | VisitingAPciInstance,\r | |
969 | (VOID*)(UINTN) CallBackFunction\r | |
970 | );\r | |
971 | }\r | |
972 | \r | |
973 | \r | |
974 | /**\r | |
975 | Do platform specific PCI Device check and add them to\r | |
976 | ConOut, ConIn, ErrOut.\r | |
977 | \r | |
978 | @param[in] Handle - Handle of PCI device instance\r | |
979 | @param[in] PciIo - PCI IO protocol instance\r | |
980 | @param[in] Pci - PCI Header register block\r | |
981 | \r | |
18064510 LE |
982 | @retval EFI_SUCCESS - PCI Device check and Console variable update\r |
983 | successfully.\r | |
30541881 RN |
984 | @retval EFI_STATUS - PCI Device check or Console variable update fail.\r |
985 | \r | |
986 | **/\r | |
987 | EFI_STATUS\r | |
988 | EFIAPI\r | |
989 | DetectAndPreparePlatformPciDevicePath (\r | |
990 | IN EFI_HANDLE Handle,\r | |
991 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
992 | IN PCI_TYPE00 *Pci\r | |
993 | )\r | |
994 | {\r | |
995 | EFI_STATUS Status;\r | |
996 | \r | |
997 | Status = PciIo->Attributes (\r | |
998 | PciIo,\r | |
999 | EfiPciIoAttributeOperationEnable,\r | |
1000 | EFI_PCI_DEVICE_ENABLE,\r | |
1001 | NULL\r | |
1002 | );\r | |
1003 | ASSERT_EFI_ERROR (Status);\r | |
1004 | \r | |
f803c03c LE |
1005 | //\r |
1006 | // Here we decide whether it is LPC Bridge\r | |
1007 | //\r | |
1008 | if ((IS_PCI_LPC (Pci)) ||\r | |
1009 | ((IS_PCI_ISA_PDECODE (Pci)) &&\r | |
1010 | (Pci->Hdr.VendorId == 0x8086) &&\r | |
1011 | (Pci->Hdr.DeviceId == 0x7000)\r | |
1012 | )\r | |
1013 | ) {\r | |
30541881 | 1014 | //\r |
f803c03c LE |
1015 | // Add IsaKeyboard to ConIn,\r |
1016 | // add IsaSerial to ConOut, ConIn, ErrOut\r | |
30541881 | 1017 | //\r |
70d5086c | 1018 | DEBUG ((DEBUG_INFO, "Found LPC Bridge device\n"));\r |
f803c03c LE |
1019 | PrepareLpcBridgeDevicePath (Handle);\r |
1020 | return EFI_SUCCESS;\r | |
1021 | }\r | |
1022 | //\r | |
1023 | // Here we decide which Serial device to enable in PCI bus\r | |
1024 | //\r | |
1025 | if (IS_PCI_16550SERIAL (Pci)) {\r | |
30541881 | 1026 | //\r |
f803c03c | 1027 | // Add them to ConOut, ConIn, ErrOut.\r |
30541881 | 1028 | //\r |
70d5086c | 1029 | DEBUG ((DEBUG_INFO, "Found PCI 16550 SERIAL device\n"));\r |
f803c03c LE |
1030 | PreparePciSerialDevicePath (Handle);\r |
1031 | return EFI_SUCCESS;\r | |
30541881 RN |
1032 | }\r |
1033 | \r | |
1034 | //\r | |
4fdb585c | 1035 | // Here we decide which display device to enable in PCI bus\r |
30541881 | 1036 | //\r |
4fdb585c | 1037 | if (IS_PCI_DISPLAY (Pci)) {\r |
30541881 RN |
1038 | //\r |
1039 | // Add them to ConOut.\r | |
1040 | //\r | |
70d5086c | 1041 | DEBUG ((DEBUG_INFO, "Found PCI display device\n"));\r |
4fdb585c | 1042 | PreparePciDisplayDevicePath (Handle);\r |
30541881 RN |
1043 | return EFI_SUCCESS;\r |
1044 | }\r | |
1045 | \r | |
1046 | return Status;\r | |
1047 | }\r | |
1048 | \r | |
1049 | \r | |
fe1b9e8e LE |
1050 | /**\r |
1051 | Connect the predefined platform default console device.\r | |
1052 | \r | |
1053 | Always try to find and enable PCI display devices.\r | |
1054 | \r | |
1055 | @param[in] PlatformConsole Predefined platform default console device array.\r | |
1056 | **/\r | |
e9e9ad64 RN |
1057 | VOID\r |
1058 | PlatformInitializeConsole (\r | |
1059 | IN PLATFORM_CONSOLE_CONNECT_ENTRY *PlatformConsole\r | |
30541881 | 1060 | )\r |
30541881 | 1061 | {\r |
30541881 | 1062 | UINTN Index;\r |
30541881 RN |
1063 | \r |
1064 | //\r | |
f803c03c LE |
1065 | // Do platform specific PCI Device check and add them to ConOut, ConIn,\r |
1066 | // ErrOut\r | |
30541881 | 1067 | //\r |
f803c03c | 1068 | VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);\r |
30541881 | 1069 | \r |
55f47d22 GH |
1070 | PrepareMicrovmDevicePath ();\r |
1071 | \r | |
f803c03c LE |
1072 | //\r |
1073 | // Have chance to connect the platform default console,\r | |
1074 | // the platform default console is the minimum device group\r | |
1075 | // the platform should support\r | |
1076 | //\r | |
1077 | for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {\r | |
30541881 | 1078 | //\r |
f803c03c | 1079 | // Update the console variable with the connect type\r |
30541881 | 1080 | //\r |
f803c03c LE |
1081 | if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {\r |
1082 | EfiBootManagerUpdateConsoleVariable (ConIn,\r | |
1083 | PlatformConsole[Index].DevicePath, NULL);\r | |
1084 | }\r | |
1085 | if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {\r | |
1086 | EfiBootManagerUpdateConsoleVariable (ConOut,\r | |
1087 | PlatformConsole[Index].DevicePath, NULL);\r | |
1088 | }\r | |
1089 | if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {\r | |
1090 | EfiBootManagerUpdateConsoleVariable (ErrOut,\r | |
1091 | PlatformConsole[Index].DevicePath, NULL);\r | |
30541881 | 1092 | }\r |
30541881 | 1093 | }\r |
30541881 RN |
1094 | }\r |
1095 | \r | |
1096 | \r | |
1097 | /**\r | |
1098 | Configure PCI Interrupt Line register for applicable devices\r | |
1099 | Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()\r | |
1100 | \r | |
1101 | @param[in] Handle - Handle of PCI device instance\r | |
1102 | @param[in] PciIo - PCI IO protocol instance\r | |
1103 | @param[in] PciHdr - PCI Header register block\r | |
1104 | \r | |
1105 | @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.\r | |
1106 | \r | |
1107 | **/\r | |
1108 | EFI_STATUS\r | |
1109 | EFIAPI\r | |
1110 | SetPciIntLine (\r | |
1111 | IN EFI_HANDLE Handle,\r | |
1112 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1113 | IN PCI_TYPE00 *PciHdr\r | |
1114 | )\r | |
1115 | {\r | |
1116 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1117 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1118 | UINTN RootSlot;\r | |
1119 | UINTN Idx;\r | |
1120 | UINT8 IrqLine;\r | |
1121 | EFI_STATUS Status;\r | |
1122 | UINT32 RootBusNumber;\r | |
1123 | \r | |
1124 | Status = EFI_SUCCESS;\r | |
1125 | \r | |
1126 | if (PciHdr->Device.InterruptPin != 0) {\r | |
1127 | \r | |
1128 | DevPathNode = DevicePathFromHandle (Handle);\r | |
1129 | ASSERT (DevPathNode != NULL);\r | |
1130 | DevPath = DevPathNode;\r | |
1131 | \r | |
1132 | RootBusNumber = 0;\r | |
1133 | if (DevicePathType (DevPathNode) == ACPI_DEVICE_PATH &&\r | |
1134 | DevicePathSubType (DevPathNode) == ACPI_DP &&\r | |
1135 | ((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID(0x0A03)) {\r | |
1136 | RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;\r | |
1137 | }\r | |
1138 | \r | |
1139 | //\r | |
1140 | // Compute index into PciHostIrqs[] table by walking\r | |
1141 | // the device path and adding up all device numbers\r | |
1142 | //\r | |
1143 | Status = EFI_NOT_FOUND;\r | |
1144 | RootSlot = 0;\r | |
1145 | Idx = PciHdr->Device.InterruptPin - 1;\r | |
1146 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1147 | if (DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH &&\r | |
1148 | DevicePathSubType (DevPathNode) == HW_PCI_DP) {\r | |
1149 | \r | |
1150 | Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r | |
1151 | \r | |
1152 | //\r | |
1153 | // Unlike SeaBIOS, which starts climbing from the leaf device\r | |
1154 | // up toward the root, we traverse the device path starting at\r | |
1155 | // the root moving toward the leaf node.\r | |
1156 | // The slot number of the top-level parent bridge is needed for\r | |
1157 | // Q35 cases with more than 24 slots on the root bus.\r | |
1158 | //\r | |
1159 | if (Status != EFI_SUCCESS) {\r | |
1160 | Status = EFI_SUCCESS;\r | |
1161 | RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r | |
1162 | }\r | |
1163 | }\r | |
1164 | \r | |
1165 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1166 | }\r | |
1167 | if (EFI_ERROR (Status)) {\r | |
1168 | return Status;\r | |
1169 | }\r | |
1170 | if (RootBusNumber == 0 && RootSlot == 0) {\r | |
1171 | DEBUG((\r | |
70d5086c | 1172 | DEBUG_ERROR,\r |
30541881 RN |
1173 | "%a: PCI host bridge (00:00.0) should have no interrupts!\n",\r |
1174 | __FUNCTION__\r | |
1175 | ));\r | |
1176 | ASSERT (FALSE);\r | |
1177 | }\r | |
1178 | \r | |
1179 | //\r | |
1180 | // Final PciHostIrqs[] index calculation depends on the platform\r | |
1181 | // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()\r | |
1182 | //\r | |
1183 | switch (mHostBridgeDevId) {\r | |
1184 | case INTEL_82441_DEVICE_ID:\r | |
1185 | Idx -= 1;\r | |
1186 | break;\r | |
1187 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1188 | //\r | |
1189 | // SeaBIOS contains the following comment:\r | |
1190 | // "Slots 0-24 rotate slot:pin mapping similar to piix above, but\r | |
1191 | // with a different starting index - see q35-acpi-dsdt.dsl.\r | |
1192 | //\r | |
1193 | // Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"\r | |
1194 | //\r | |
1195 | if (RootSlot > 24) {\r | |
1196 | //\r | |
1197 | // in this case, subtract back out RootSlot from Idx\r | |
1198 | // (SeaBIOS never adds it to begin with, but that would make our\r | |
1199 | // device path traversal loop above too awkward)\r | |
1200 | //\r | |
1201 | Idx -= RootSlot;\r | |
1202 | }\r | |
1203 | break;\r | |
1204 | default:\r | |
1205 | ASSERT (FALSE); // should never get here\r | |
1206 | }\r | |
1207 | Idx %= ARRAY_SIZE (PciHostIrqs);\r | |
1208 | IrqLine = PciHostIrqs[Idx];\r | |
1209 | \r | |
1210 | DEBUG_CODE_BEGIN ();\r | |
1211 | {\r | |
1212 | CHAR16 *DevPathString;\r | |
1213 | STATIC CHAR16 Fallback[] = L"<failed to convert>";\r | |
1214 | UINTN Segment, Bus, Device, Function;\r | |
1215 | \r | |
1216 | DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);\r | |
1217 | if (DevPathString == NULL) {\r | |
1218 | DevPathString = Fallback;\r | |
1219 | }\r | |
1220 | Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);\r | |
1221 | ASSERT_EFI_ERROR (Status);\r | |
1222 | \r | |
70d5086c | 1223 | DEBUG ((DEBUG_VERBOSE, "%a: [%02x:%02x.%x] %s -> 0x%02x\n", __FUNCTION__,\r |
30541881 RN |
1224 | (UINT32)Bus, (UINT32)Device, (UINT32)Function, DevPathString,\r |
1225 | IrqLine));\r | |
1226 | \r | |
1227 | if (DevPathString != Fallback) {\r | |
1228 | FreePool (DevPathString);\r | |
1229 | }\r | |
1230 | }\r | |
1231 | DEBUG_CODE_END ();\r | |
1232 | \r | |
1233 | //\r | |
1234 | // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]\r | |
1235 | //\r | |
1236 | Status = PciIo->Pci.Write (\r | |
1237 | PciIo,\r | |
1238 | EfiPciIoWidthUint8,\r | |
1239 | PCI_INT_LINE_OFFSET,\r | |
1240 | 1,\r | |
1241 | &IrqLine\r | |
1242 | );\r | |
1243 | }\r | |
1244 | \r | |
1245 | return Status;\r | |
1246 | }\r | |
1247 | \r | |
1248 | \r | |
1249 | VOID\r | |
1250 | PciAcpiInitialization (\r | |
1251 | )\r | |
1252 | {\r | |
1253 | UINTN Pmba;\r | |
1254 | \r | |
1255 | //\r | |
1256 | // Query Host Bridge DID to determine platform type\r | |
1257 | //\r | |
1258 | mHostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
1259 | switch (mHostBridgeDevId) {\r | |
1260 | case INTEL_82441_DEVICE_ID:\r | |
1261 | Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);\r | |
1262 | //\r | |
1263 | // 00:01.0 ISA Bridge (PIIX4) LNK routing targets\r | |
1264 | //\r | |
6573ae8c BH |
1265 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), PciHostIrqs[0]); // A\r |
1266 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), PciHostIrqs[1]); // B\r | |
1267 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), PciHostIrqs[2]); // C\r | |
1268 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), PciHostIrqs[3]); // D\r | |
30541881 RN |
1269 | break;\r |
1270 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1271 | Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);\r | |
1272 | //\r | |
1273 | // 00:1f.0 LPC Bridge (Q35) LNK routing targets\r | |
1274 | //\r | |
6573ae8c BH |
1275 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), PciHostIrqs[0]); // A\r |
1276 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), PciHostIrqs[1]); // B\r | |
1277 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), PciHostIrqs[2]); // C\r | |
1278 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), PciHostIrqs[3]); // D\r | |
1279 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), PciHostIrqs[0]); // E\r | |
1280 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), PciHostIrqs[1]); // F\r | |
1281 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), PciHostIrqs[2]); // G\r | |
1282 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), PciHostIrqs[3]); // H\r | |
30541881 | 1283 | break;\r |
2c467c9b GH |
1284 | case MICROVM_PSEUDO_DEVICE_ID:\r |
1285 | return;\r | |
30541881 | 1286 | default:\r |
ad256f95 AP |
1287 | if (XenDetected ()) {\r |
1288 | //\r | |
1289 | // There is no PCI bus in this case.\r | |
1290 | //\r | |
1291 | return;\r | |
1292 | }\r | |
70d5086c | 1293 | DEBUG ((DEBUG_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",\r |
30541881 RN |
1294 | __FUNCTION__, mHostBridgeDevId));\r |
1295 | ASSERT (FALSE);\r | |
1296 | return;\r | |
1297 | }\r | |
1298 | \r | |
1299 | //\r | |
1300 | // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices\r | |
1301 | //\r | |
1302 | VisitAllPciInstances (SetPciIntLine);\r | |
1303 | \r | |
1304 | //\r | |
1305 | // Set ACPI SCI_EN bit in PMCNTRL\r | |
1306 | //\r | |
1307 | IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);\r | |
1308 | }\r | |
1309 | \r | |
30541881 RN |
1310 | EFI_STATUS\r |
1311 | EFIAPI\r | |
1312 | ConnectRecursivelyIfPciMassStorage (\r | |
1313 | IN EFI_HANDLE Handle,\r | |
1314 | IN EFI_PCI_IO_PROTOCOL *Instance,\r | |
1315 | IN PCI_TYPE00 *PciHeader\r | |
1316 | )\r | |
1317 | {\r | |
1318 | EFI_STATUS Status;\r | |
1319 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
1320 | CHAR16 *DevPathStr;\r | |
1321 | \r | |
da2369d2 GL |
1322 | //\r |
1323 | // Recognize PCI Mass Storage, and Xen PCI devices\r | |
1324 | //\r | |
1325 | if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ||\r | |
1326 | (XenDetected() && IS_CLASS2 (PciHeader, 0xFF, 0x80))) {\r | |
30541881 RN |
1327 | DevicePath = NULL;\r |
1328 | Status = gBS->HandleProtocol (\r | |
1329 | Handle,\r | |
1330 | &gEfiDevicePathProtocolGuid,\r | |
1331 | (VOID*)&DevicePath\r | |
1332 | );\r | |
1333 | if (EFI_ERROR (Status)) {\r | |
1334 | return Status;\r | |
1335 | }\r | |
1336 | \r | |
1337 | //\r | |
1338 | // Print Device Path\r | |
1339 | //\r | |
77f47588 | 1340 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 RN |
1341 | if (DevPathStr != NULL) {\r |
1342 | DEBUG((\r | |
70d5086c | 1343 | DEBUG_INFO,\r |
da2369d2 | 1344 | "Found %s device: %s\n",\r |
18064510 LE |
1345 | (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ?\r |
1346 | L"Mass Storage" :\r | |
1347 | L"Xen"\r | |
1348 | ),\r | |
30541881 RN |
1349 | DevPathStr\r |
1350 | ));\r | |
1351 | FreePool(DevPathStr);\r | |
1352 | }\r | |
1353 | \r | |
1354 | Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
1355 | if (EFI_ERROR (Status)) {\r | |
1356 | return Status;\r | |
1357 | }\r | |
1358 | \r | |
1359 | }\r | |
1360 | \r | |
1361 | return EFI_SUCCESS;\r | |
1362 | }\r | |
1363 | \r | |
1364 | \r | |
1365 | /**\r | |
1366 | This notification function is invoked when the\r | |
1367 | EMU Variable FVB has been changed.\r | |
1368 | \r | |
8c0b0b34 TH |
1369 | @param Event The event that occurred\r |
1370 | @param Context For EFI compatibility. Not used.\r | |
30541881 RN |
1371 | \r |
1372 | **/\r | |
1373 | VOID\r | |
1374 | EFIAPI\r | |
1375 | EmuVariablesUpdatedCallback (\r | |
1376 | IN EFI_EVENT Event,\r | |
1377 | IN VOID *Context\r | |
1378 | )\r | |
1379 | {\r | |
70d5086c | 1380 | DEBUG ((DEBUG_INFO, "EmuVariablesUpdatedCallback\n"));\r |
30541881 RN |
1381 | UpdateNvVarsOnFileSystem ();\r |
1382 | }\r | |
1383 | \r | |
1384 | \r | |
1385 | EFI_STATUS\r | |
1386 | EFIAPI\r | |
1387 | VisitingFileSystemInstance (\r | |
1388 | IN EFI_HANDLE Handle,\r | |
1389 | IN VOID *Instance,\r | |
1390 | IN VOID *Context\r | |
1391 | )\r | |
1392 | {\r | |
1393 | EFI_STATUS Status;\r | |
1394 | STATIC BOOLEAN ConnectedToFileSystem = FALSE;\r | |
579afd6b | 1395 | RETURN_STATUS PcdStatus;\r |
30541881 RN |
1396 | \r |
1397 | if (ConnectedToFileSystem) {\r | |
1398 | return EFI_ALREADY_STARTED;\r | |
1399 | }\r | |
1400 | \r | |
1401 | Status = ConnectNvVarsToFileSystem (Handle);\r | |
1402 | if (EFI_ERROR (Status)) {\r | |
1403 | return Status;\r | |
1404 | }\r | |
1405 | \r | |
1406 | ConnectedToFileSystem = TRUE;\r | |
1407 | mEmuVariableEvent =\r | |
1408 | EfiCreateProtocolNotifyEvent (\r | |
1409 | &gEfiDevicePathProtocolGuid,\r | |
1410 | TPL_CALLBACK,\r | |
1411 | EmuVariablesUpdatedCallback,\r | |
1412 | NULL,\r | |
1413 | &mEmuVariableEventReg\r | |
1414 | );\r | |
579afd6b LE |
1415 | PcdStatus = PcdSet64S (PcdEmuVariableEvent,\r |
1416 | (UINT64)(UINTN) mEmuVariableEvent);\r | |
1417 | ASSERT_RETURN_ERROR (PcdStatus);\r | |
30541881 RN |
1418 | \r |
1419 | return EFI_SUCCESS;\r | |
1420 | }\r | |
1421 | \r | |
1422 | \r | |
1423 | VOID\r | |
1424 | PlatformBdsRestoreNvVarsFromHardDisk (\r | |
1425 | )\r | |
1426 | {\r | |
1427 | VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);\r | |
1428 | VisitAllInstancesOfProtocol (\r | |
1429 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1430 | VisitingFileSystemInstance,\r | |
1431 | NULL\r | |
1432 | );\r | |
1433 | \r | |
1434 | }\r | |
1435 | \r | |
fe1b9e8e LE |
1436 | /**\r |
1437 | Connect with predefined platform connect sequence.\r | |
1438 | \r | |
1439 | The OEM/IBV can customize with their own connect sequence.\r | |
1440 | **/\r | |
30541881 RN |
1441 | VOID\r |
1442 | PlatformBdsConnectSequence (\r | |
1443 | VOID\r | |
1444 | )\r | |
30541881 | 1445 | {\r |
245c643c LE |
1446 | UINTN Index;\r |
1447 | RETURN_STATUS Status;\r | |
30541881 | 1448 | \r |
70d5086c | 1449 | DEBUG ((DEBUG_INFO, "PlatformBdsConnectSequence\n"));\r |
30541881 RN |
1450 | \r |
1451 | Index = 0;\r | |
1452 | \r | |
1453 | //\r | |
1454 | // Here we can get the customized platform connect sequence\r | |
1455 | // Notes: we can connect with new variable which record the\r | |
1456 | // last time boots connect device path sequence\r | |
1457 | //\r | |
1458 | while (gPlatformConnectSequence[Index] != NULL) {\r | |
1459 | //\r | |
1460 | // Build the platform boot option\r | |
1461 | //\r | |
fed691a6 | 1462 | EfiBootManagerConnectDevicePath (gPlatformConnectSequence[Index], NULL);\r |
30541881 RN |
1463 | Index++;\r |
1464 | }\r | |
1465 | \r | |
245c643c LE |
1466 | Status = ConnectDevicesFromQemu ();\r |
1467 | if (RETURN_ERROR (Status)) {\r | |
1468 | //\r | |
1469 | // Just use the simple policy to connect all devices\r | |
1470 | //\r | |
1471 | DEBUG ((DEBUG_INFO, "EfiBootManagerConnectAll\n"));\r | |
1472 | EfiBootManagerConnectAll ();\r | |
1473 | }\r | |
30541881 RN |
1474 | }\r |
1475 | \r | |
30541881 RN |
1476 | /**\r |
1477 | Save the S3 boot script.\r | |
1478 | \r | |
1479 | Note that DxeSmmReadyToLock must be signaled after this function returns;\r | |
1480 | otherwise the script wouldn't be saved actually.\r | |
1481 | **/\r | |
1482 | STATIC\r | |
1483 | VOID\r | |
1484 | SaveS3BootScript (\r | |
1485 | VOID\r | |
1486 | )\r | |
1487 | {\r | |
1488 | EFI_STATUS Status;\r | |
1489 | EFI_S3_SAVE_STATE_PROTOCOL *BootScript;\r | |
1490 | STATIC CONST UINT8 Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };\r | |
1491 | \r | |
1492 | Status = gBS->LocateProtocol (&gEfiS3SaveStateProtocolGuid, NULL,\r | |
1493 | (VOID **) &BootScript);\r | |
1494 | ASSERT_EFI_ERROR (Status);\r | |
1495 | \r | |
1496 | //\r | |
1497 | // Despite the opcode documentation in the PI spec, the protocol\r | |
1498 | // implementation embeds a deep copy of the info in the boot script, rather\r | |
1499 | // than storing just a pointer to runtime or NVS storage.\r | |
1500 | //\r | |
1501 | Status = BootScript->Write(BootScript, EFI_BOOT_SCRIPT_INFORMATION_OPCODE,\r | |
1502 | (UINT32) sizeof Info,\r | |
1503 | (EFI_PHYSICAL_ADDRESS)(UINTN) &Info);\r | |
1504 | ASSERT_EFI_ERROR (Status);\r | |
1505 | }\r | |
1506 | \r | |
1507 | \r | |
fe1b9e8e LE |
1508 | /**\r |
1509 | Do the platform specific action after the console is ready\r | |
1510 | \r | |
1511 | Possible things that can be done in PlatformBootManagerAfterConsole:\r | |
1512 | \r | |
1513 | > Console post action:\r | |
1514 | > Dynamically switch output mode from 100x31 to 80x25 for certain senarino\r | |
1515 | > Signal console ready platform customized event\r | |
1516 | > Run diagnostics like memory testing\r | |
1517 | > Connect certain devices\r | |
1518 | > Dispatch aditional option roms\r | |
1519 | > Special boot: e.g.: USB boot, enter UI\r | |
1520 | **/\r | |
30541881 RN |
1521 | VOID\r |
1522 | EFIAPI\r | |
a7566234 RN |
1523 | PlatformBootManagerAfterConsole (\r |
1524 | VOID\r | |
30541881 | 1525 | )\r |
30541881 | 1526 | {\r |
30541881 RN |
1527 | EFI_BOOT_MODE BootMode;\r |
1528 | \r | |
70d5086c | 1529 | DEBUG ((DEBUG_INFO, "PlatformBootManagerAfterConsole\n"));\r |
30541881 RN |
1530 | \r |
1531 | if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {\r | |
70d5086c | 1532 | DEBUG ((DEBUG_INFO, "PlatformBdsPolicyBehavior: not restoring NvVars "\r |
30541881 RN |
1533 | "from disk since flash variables appear to be supported.\n"));\r |
1534 | } else {\r | |
1535 | //\r | |
1536 | // Try to restore variables from the hard disk early so\r | |
1537 | // they can be used for the other BDS connect operations.\r | |
1538 | //\r | |
1539 | PlatformBdsRestoreNvVarsFromHardDisk ();\r | |
1540 | }\r | |
1541 | \r | |
30541881 RN |
1542 | //\r |
1543 | // Get current Boot Mode\r | |
1544 | //\r | |
30edcbf5 | 1545 | BootMode = GetBootModeHob ();\r |
837d9eea | 1546 | DEBUG ((DEBUG_INFO, "Boot Mode:%x\n", BootMode));\r |
30541881 RN |
1547 | \r |
1548 | //\r | |
1549 | // Go the different platform policy with different boot mode\r | |
1550 | // Notes: this part code can be change with the table policy\r | |
1551 | //\r | |
1552 | ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);\r | |
30541881 RN |
1553 | \r |
1554 | //\r | |
e64a2ebe | 1555 | // Logo show\r |
30541881 | 1556 | //\r |
ab970515 | 1557 | BootLogoEnableLogo ();\r |
30541881 | 1558 | \r |
5942ea61 LE |
1559 | //\r |
1560 | // Set PCI Interrupt Line registers and ACPI SCI_EN\r | |
1561 | //\r | |
1562 | PciAcpiInitialization ();\r | |
1563 | \r | |
30541881 | 1564 | //\r |
a34a8869 | 1565 | // Process QEMU's -kernel command line option\r |
30541881 | 1566 | //\r |
a34a8869 | 1567 | TryRunningQemuKernel ();\r |
30541881 RN |
1568 | \r |
1569 | //\r | |
a34a8869 | 1570 | // Perform some platform specific connect sequence\r |
30541881 | 1571 | //\r |
a34a8869 | 1572 | PlatformBdsConnectSequence ();\r |
30541881 | 1573 | \r |
04fe914b RN |
1574 | EfiBootManagerRefreshAllBootOption ();\r |
1575 | \r | |
14b2ebc3 GL |
1576 | //\r |
1577 | // Register UEFI Shell\r | |
1578 | //\r | |
1579 | PlatformRegisterFvBootOption (\r | |
84f736a7 | 1580 | &gUefiShellFileGuid, L"EFI Internal Shell", LOAD_OPTION_ACTIVE\r |
14b2ebc3 GL |
1581 | );\r |
1582 | \r | |
2eb35898 | 1583 | RemoveStaleFvFileOptions ();\r |
2542feea | 1584 | SetBootOrderFromQemu ();\r |
a7488174 LE |
1585 | \r |
1586 | PlatformBmPrintScRegisterHandler ();\r | |
30541881 RN |
1587 | }\r |
1588 | \r | |
30541881 RN |
1589 | /**\r |
1590 | This notification function is invoked when an instance of the\r | |
1591 | EFI_DEVICE_PATH_PROTOCOL is produced.\r | |
1592 | \r | |
8c0b0b34 TH |
1593 | @param Event The event that occurred\r |
1594 | @param Context For EFI compatibility. Not used.\r | |
30541881 RN |
1595 | \r |
1596 | **/\r | |
1597 | VOID\r | |
1598 | EFIAPI\r | |
1599 | NotifyDevPath (\r | |
1600 | IN EFI_EVENT Event,\r | |
1601 | IN VOID *Context\r | |
1602 | )\r | |
1603 | {\r | |
1604 | EFI_HANDLE Handle;\r | |
1605 | EFI_STATUS Status;\r | |
1606 | UINTN BufferSize;\r | |
1607 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1608 | ATAPI_DEVICE_PATH *Atapi;\r | |
1609 | \r | |
1610 | //\r | |
1611 | // Examine all new handles\r | |
1612 | //\r | |
1613 | for (;;) {\r | |
1614 | //\r | |
1615 | // Get the next handle\r | |
1616 | //\r | |
1617 | BufferSize = sizeof (Handle);\r | |
1618 | Status = gBS->LocateHandle (\r | |
1619 | ByRegisterNotify,\r | |
1620 | NULL,\r | |
1621 | mEfiDevPathNotifyReg,\r | |
1622 | &BufferSize,\r | |
1623 | &Handle\r | |
1624 | );\r | |
1625 | \r | |
1626 | //\r | |
1627 | // If not found, we're done\r | |
1628 | //\r | |
1629 | if (EFI_NOT_FOUND == Status) {\r | |
1630 | break;\r | |
1631 | }\r | |
1632 | \r | |
1633 | if (EFI_ERROR (Status)) {\r | |
1634 | continue;\r | |
1635 | }\r | |
1636 | \r | |
1637 | //\r | |
1638 | // Get the DevicePath protocol on that handle\r | |
1639 | //\r | |
18064510 LE |
1640 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid,\r |
1641 | (VOID **)&DevPathNode);\r | |
30541881 RN |
1642 | ASSERT_EFI_ERROR (Status);\r |
1643 | \r | |
1644 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1645 | //\r | |
1646 | // Find the handler to dump this device path node\r | |
1647 | //\r | |
1648 | if (\r | |
1649 | (DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&\r | |
1650 | (DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)\r | |
1651 | ) {\r | |
1652 | Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;\r | |
1653 | PciOr16 (\r | |
1654 | PCI_LIB_ADDRESS (\r | |
1655 | 0,\r | |
1656 | 1,\r | |
1657 | 1,\r | |
1658 | (Atapi->PrimarySecondary == 1) ? 0x42: 0x40\r | |
1659 | ),\r | |
1660 | BIT15\r | |
1661 | );\r | |
1662 | }\r | |
1663 | \r | |
1664 | //\r | |
1665 | // Next device path node\r | |
1666 | //\r | |
1667 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1668 | }\r | |
1669 | }\r | |
1670 | \r | |
1671 | return;\r | |
1672 | }\r | |
1673 | \r | |
1674 | \r | |
1675 | VOID\r | |
1676 | InstallDevicePathCallback (\r | |
1677 | VOID\r | |
1678 | )\r | |
1679 | {\r | |
70d5086c | 1680 | DEBUG ((DEBUG_INFO, "Registered NotifyDevPath Event\n"));\r |
30541881 RN |
1681 | mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (\r |
1682 | &gEfiDevicePathProtocolGuid,\r | |
1683 | TPL_CALLBACK,\r | |
1684 | NotifyDevPath,\r | |
1685 | NULL,\r | |
1686 | &mEfiDevPathNotifyReg\r | |
1687 | );\r | |
1688 | }\r | |
1689 | \r | |
a7566234 | 1690 | /**\r |
18064510 LE |
1691 | This function is called each second during the boot manager waits the\r |
1692 | timeout.\r | |
a7566234 RN |
1693 | \r |
1694 | @param TimeoutRemain The remaining timeout.\r | |
1695 | **/\r | |
1696 | VOID\r | |
1697 | EFIAPI\r | |
1698 | PlatformBootManagerWaitCallback (\r | |
1699 | UINT16 TimeoutRemain\r | |
1700 | )\r | |
1701 | {\r | |
fd096a99 LE |
1702 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;\r |
1703 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;\r | |
c3c90d8a | 1704 | UINT16 TimeoutInitial;\r |
fd096a99 | 1705 | \r |
c3c90d8a PB |
1706 | TimeoutInitial = PcdGet16 (PcdPlatformBootTimeOut);\r |
1707 | \r | |
1708 | //\r | |
1709 | // If PcdPlatformBootTimeOut is set to zero, then we consider\r | |
1710 | // that no progress update should be enacted (since we'd only\r | |
1711 | // ever display a one-shot progress of either 0% or 100%).\r | |
1712 | //\r | |
1713 | if (TimeoutInitial == 0) {\r | |
1714 | return;\r | |
1715 | }\r | |
fd096a99 LE |
1716 | \r |
1717 | Black.Raw = 0x00000000;\r | |
1718 | White.Raw = 0x00FFFFFF;\r | |
1719 | \r | |
1720 | BootLogoUpdateProgress (\r | |
1721 | White.Pixel,\r | |
1722 | Black.Pixel,\r | |
1723 | L"Start boot option",\r | |
1724 | White.Pixel,\r | |
c3c90d8a | 1725 | (TimeoutInitial - TimeoutRemain) * 100 / TimeoutInitial,\r |
fd096a99 LE |
1726 | 0\r |
1727 | );\r | |
a7566234 RN |
1728 | }\r |
1729 | \r | |
5f66615b RN |
1730 | /**\r |
1731 | The function is called when no boot option could be launched,\r | |
1732 | including platform recovery options and options pointing to applications\r | |
1733 | built into firmware volumes.\r | |
1734 | \r | |
1735 | If this function returns, BDS attempts to enter an infinite loop.\r | |
1736 | **/\r | |
1737 | VOID\r | |
1738 | EFIAPI\r | |
1739 | PlatformBootManagerUnableToBoot (\r | |
1740 | VOID\r | |
1741 | )\r | |
1742 | {\r | |
1743 | EFI_STATUS Status;\r | |
1744 | EFI_INPUT_KEY Key;\r | |
1745 | EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r | |
1746 | UINTN Index;\r | |
1747 | \r | |
1748 | //\r | |
1749 | // BootManagerMenu doesn't contain the correct information when return status\r | |
1750 | // is EFI_NOT_FOUND.\r | |
1751 | //\r | |
1752 | Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r | |
1753 | if (EFI_ERROR (Status)) {\r | |
1754 | return;\r | |
1755 | }\r | |
1756 | //\r | |
1757 | // Normally BdsDxe does not print anything to the system console, but this is\r | |
1758 | // a last resort -- the end-user will likely not see any DEBUG messages\r | |
1759 | // logged in this situation.\r | |
1760 | //\r | |
1761 | // AsciiPrint() will NULL-check gST->ConOut internally. We check gST->ConIn\r | |
1762 | // here to see if it makes sense to request and wait for a keypress.\r | |
1763 | //\r | |
1764 | if (gST->ConIn != NULL) {\r | |
1765 | AsciiPrint (\r | |
1766 | "%a: No bootable option or device was found.\n"\r | |
1767 | "%a: Press any key to enter the Boot Manager Menu.\n",\r | |
1768 | gEfiCallerBaseName,\r | |
1769 | gEfiCallerBaseName\r | |
1770 | );\r | |
1771 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r | |
1772 | ASSERT_EFI_ERROR (Status);\r | |
1773 | ASSERT (Index == 0);\r | |
1774 | \r | |
1775 | //\r | |
1776 | // Drain any queued keys.\r | |
1777 | //\r | |
1778 | while (!EFI_ERROR (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key))) {\r | |
1779 | //\r | |
1780 | // just throw away Key\r | |
1781 | //\r | |
1782 | }\r | |
1783 | }\r | |
1784 | \r | |
1785 | for (;;) {\r | |
1786 | EfiBootManagerBoot (&BootManagerMenu);\r | |
1787 | }\r | |
1788 | }\r |