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Commit | Line | Data |
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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 | 16 | \r |
30541881 RN |
17 | //\r |
18 | // Global data\r | |
19 | //\r | |
20 | \r | |
ac0a286f MK |
21 | VOID *mEfiDevPathNotifyReg;\r |
22 | EFI_EVENT mEfiDevPathEvent;\r | |
23 | VOID *mEmuVariableEventReg;\r | |
24 | EFI_EVENT mEmuVariableEvent;\r | |
25 | UINT16 mHostBridgeDevId;\r | |
30541881 RN |
26 | \r |
27 | //\r | |
28 | // Table of host IRQs matching PCI IRQs A-D\r | |
29 | // (for configuring PCI Interrupt Line register)\r | |
30 | //\r | |
ac0a286f | 31 | CONST UINT8 PciHostIrqs[] = {\r |
6573ae8c BH |
32 | 0x0a, // LNKA, LNKE\r |
33 | 0x0a, // LNKB, LNKF\r | |
34 | 0x0b, // LNKC, LNKG\r | |
35 | 0x0b // LNKD, LNKH\r | |
30541881 RN |
36 | };\r |
37 | \r | |
30541881 RN |
38 | //\r |
39 | // Type definitions\r | |
40 | //\r | |
41 | \r | |
42 | typedef\r | |
43 | EFI_STATUS\r | |
44 | (EFIAPI *PROTOCOL_INSTANCE_CALLBACK)(\r | |
45 | IN EFI_HANDLE Handle,\r | |
46 | IN VOID *Instance,\r | |
47 | IN VOID *Context\r | |
48 | );\r | |
49 | \r | |
50 | /**\r | |
51 | @param[in] Handle - Handle of PCI device instance\r | |
52 | @param[in] PciIo - PCI IO protocol instance\r | |
53 | @param[in] Pci - PCI Header register block\r | |
54 | **/\r | |
55 | typedef\r | |
56 | EFI_STATUS\r | |
57 | (EFIAPI *VISIT_PCI_INSTANCE_CALLBACK)(\r | |
58 | IN EFI_HANDLE Handle,\r | |
59 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
60 | IN PCI_TYPE00 *Pci\r | |
61 | );\r | |
62 | \r | |
30541881 RN |
63 | //\r |
64 | // Function prototypes\r | |
65 | //\r | |
66 | \r | |
67 | EFI_STATUS\r | |
68 | VisitAllInstancesOfProtocol (\r | |
69 | IN EFI_GUID *Id,\r | |
70 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
71 | IN VOID *Context\r | |
72 | );\r | |
73 | \r | |
74 | EFI_STATUS\r | |
75 | VisitAllPciInstancesOfProtocol (\r | |
ac0a286f | 76 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r |
30541881 RN |
77 | );\r |
78 | \r | |
79 | VOID\r | |
80 | InstallDevicePathCallback (\r | |
81 | VOID\r | |
82 | );\r | |
83 | \r | |
07dd96e8 RN |
84 | VOID\r |
85 | PlatformRegisterFvBootOption (\r | |
ac0a286f MK |
86 | EFI_GUID *FileGuid,\r |
87 | CHAR16 *Description,\r | |
88 | UINT32 Attributes\r | |
07dd96e8 RN |
89 | )\r |
90 | {\r | |
ac0a286f MK |
91 | EFI_STATUS Status;\r |
92 | INTN OptionIndex;\r | |
93 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
94 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
95 | UINTN BootOptionCount;\r | |
96 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
97 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
98 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
07dd96e8 RN |
99 | \r |
100 | Status = gBS->HandleProtocol (\r | |
101 | gImageHandle,\r | |
102 | &gEfiLoadedImageProtocolGuid,\r | |
ac0a286f | 103 | (VOID **)&LoadedImage\r |
07dd96e8 RN |
104 | );\r |
105 | ASSERT_EFI_ERROR (Status);\r | |
106 | \r | |
107 | EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);\r | |
108 | DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);\r | |
109 | ASSERT (DevicePath != NULL);\r | |
110 | DevicePath = AppendDevicePathNode (\r | |
111 | DevicePath,\r | |
ac0a286f | 112 | (EFI_DEVICE_PATH_PROTOCOL *)&FileNode\r |
07dd96e8 RN |
113 | );\r |
114 | ASSERT (DevicePath != NULL);\r | |
115 | \r | |
116 | Status = EfiBootManagerInitializeLoadOption (\r | |
117 | &NewOption,\r | |
118 | LoadOptionNumberUnassigned,\r | |
119 | LoadOptionTypeBoot,\r | |
120 | Attributes,\r | |
121 | Description,\r | |
122 | DevicePath,\r | |
123 | NULL,\r | |
124 | 0\r | |
125 | );\r | |
126 | ASSERT_EFI_ERROR (Status);\r | |
127 | FreePool (DevicePath);\r | |
128 | \r | |
129 | BootOptions = EfiBootManagerGetLoadOptions (\r | |
ac0a286f MK |
130 | &BootOptionCount,\r |
131 | LoadOptionTypeBoot\r | |
07dd96e8 RN |
132 | );\r |
133 | \r | |
134 | OptionIndex = EfiBootManagerFindLoadOption (\r | |
ac0a286f MK |
135 | &NewOption,\r |
136 | BootOptions,\r | |
137 | BootOptionCount\r | |
07dd96e8 RN |
138 | );\r |
139 | \r | |
140 | if (OptionIndex == -1) {\r | |
141 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);\r | |
142 | ASSERT_EFI_ERROR (Status);\r | |
143 | }\r | |
ac0a286f | 144 | \r |
07dd96e8 RN |
145 | EfiBootManagerFreeLoadOption (&NewOption);\r |
146 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
147 | }\r | |
148 | \r | |
2eb35898 LE |
149 | /**\r |
150 | Remove all MemoryMapped(...)/FvFile(...) and Fv(...)/FvFile(...) boot options\r | |
151 | whose device paths do not resolve exactly to an FvFile in the system.\r | |
152 | \r | |
153 | This removes any boot options that point to binaries built into the firmware\r | |
154 | and have become stale due to any of the following:\r | |
155 | - DXEFV's base address or size changed (historical),\r | |
156 | - DXEFV's FvNameGuid changed,\r | |
157 | - the FILE_GUID of the pointed-to binary changed,\r | |
158 | - the referenced binary is no longer built into the firmware.\r | |
159 | \r | |
160 | EfiBootManagerFindLoadOption() used in PlatformRegisterFvBootOption() only\r | |
161 | avoids exact duplicates.\r | |
162 | **/\r | |
163 | VOID\r | |
164 | RemoveStaleFvFileOptions (\r | |
165 | VOID\r | |
166 | )\r | |
167 | {\r | |
ac0a286f MK |
168 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r |
169 | UINTN BootOptionCount;\r | |
170 | UINTN Index;\r | |
2eb35898 | 171 | \r |
ac0a286f MK |
172 | BootOptions = EfiBootManagerGetLoadOptions (\r |
173 | &BootOptionCount,\r | |
174 | LoadOptionTypeBoot\r | |
175 | );\r | |
2eb35898 LE |
176 | \r |
177 | for (Index = 0; Index < BootOptionCount; ++Index) {\r | |
ac0a286f MK |
178 | EFI_DEVICE_PATH_PROTOCOL *Node1, *Node2, *SearchNode;\r |
179 | EFI_STATUS Status;\r | |
180 | EFI_HANDLE FvHandle;\r | |
2eb35898 LE |
181 | \r |
182 | //\r | |
183 | // If the device path starts with neither MemoryMapped(...) nor Fv(...),\r | |
184 | // then keep the boot option.\r | |
185 | //\r | |
186 | Node1 = BootOptions[Index].FilePath;\r | |
ac0a286f MK |
187 | if (!((DevicePathType (Node1) == HARDWARE_DEVICE_PATH) &&\r |
188 | (DevicePathSubType (Node1) == HW_MEMMAP_DP)) &&\r | |
189 | !((DevicePathType (Node1) == MEDIA_DEVICE_PATH) &&\r | |
190 | (DevicePathSubType (Node1) == MEDIA_PIWG_FW_VOL_DP)))\r | |
191 | {\r | |
2eb35898 LE |
192 | continue;\r |
193 | }\r | |
194 | \r | |
195 | //\r | |
196 | // If the second device path node is not FvFile(...), then keep the boot\r | |
197 | // option.\r | |
198 | //\r | |
199 | Node2 = NextDevicePathNode (Node1);\r | |
ac0a286f MK |
200 | if ((DevicePathType (Node2) != MEDIA_DEVICE_PATH) ||\r |
201 | (DevicePathSubType (Node2) != MEDIA_PIWG_FW_FILE_DP))\r | |
202 | {\r | |
2eb35898 LE |
203 | continue;\r |
204 | }\r | |
205 | \r | |
206 | //\r | |
207 | // Locate the Firmware Volume2 protocol instance that is denoted by the\r | |
208 | // boot option. If this lookup fails (i.e., the boot option references a\r | |
209 | // firmware volume that doesn't exist), then we'll proceed to delete the\r | |
210 | // boot option.\r | |
211 | //\r | |
212 | SearchNode = Node1;\r | |
ac0a286f MK |
213 | Status = gBS->LocateDevicePath (\r |
214 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
215 | &SearchNode,\r | |
216 | &FvHandle\r | |
217 | );\r | |
2eb35898 LE |
218 | \r |
219 | if (!EFI_ERROR (Status)) {\r | |
220 | //\r | |
221 | // The firmware volume was found; now let's see if it contains the FvFile\r | |
222 | // identified by GUID.\r | |
223 | //\r | |
ac0a286f MK |
224 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;\r |
225 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFileNode;\r | |
226 | UINTN BufferSize;\r | |
227 | EFI_FV_FILETYPE FoundType;\r | |
228 | EFI_FV_FILE_ATTRIBUTES FileAttributes;\r | |
229 | UINT32 AuthenticationStatus;\r | |
230 | \r | |
231 | Status = gBS->HandleProtocol (\r | |
232 | FvHandle,\r | |
233 | &gEfiFirmwareVolume2ProtocolGuid,\r | |
234 | (VOID **)&FvProtocol\r | |
235 | );\r | |
2eb35898 LE |
236 | ASSERT_EFI_ERROR (Status);\r |
237 | \r | |
238 | FvFileNode = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)Node2;\r | |
239 | //\r | |
240 | // Buffer==NULL means we request metadata only: BufferSize, FoundType,\r | |
241 | // FileAttributes.\r | |
242 | //\r | |
243 | Status = FvProtocol->ReadFile (\r | |
244 | FvProtocol,\r | |
245 | &FvFileNode->FvFileName, // NameGuid\r | |
246 | NULL, // Buffer\r | |
247 | &BufferSize,\r | |
248 | &FoundType,\r | |
249 | &FileAttributes,\r | |
250 | &AuthenticationStatus\r | |
251 | );\r | |
252 | if (!EFI_ERROR (Status)) {\r | |
253 | //\r | |
254 | // The FvFile was found. Keep the boot option.\r | |
255 | //\r | |
256 | continue;\r | |
257 | }\r | |
258 | }\r | |
259 | \r | |
260 | //\r | |
261 | // Delete the boot option.\r | |
262 | //\r | |
263 | Status = EfiBootManagerDeleteLoadOptionVariable (\r | |
ac0a286f MK |
264 | BootOptions[Index].OptionNumber,\r |
265 | LoadOptionTypeBoot\r | |
266 | );\r | |
8e875037 | 267 | DEBUG_CODE_BEGIN ();\r |
ac0a286f MK |
268 | CHAR16 *DevicePathString;\r |
269 | \r | |
270 | DevicePathString = ConvertDevicePathToText (\r | |
271 | BootOptions[Index].FilePath,\r | |
272 | FALSE,\r | |
273 | FALSE\r | |
274 | );\r | |
275 | DEBUG ((\r | |
276 | EFI_ERROR (Status) ? DEBUG_WARN : DEBUG_VERBOSE,\r | |
277 | "%a: removing stale Boot#%04x %s: %r\n",\r | |
278 | __FUNCTION__,\r | |
279 | (UINT32)BootOptions[Index].OptionNumber,\r | |
280 | DevicePathString == NULL ? L"<unavailable>" : DevicePathString,\r | |
281 | Status\r | |
282 | ));\r | |
283 | if (DevicePathString != NULL) {\r | |
284 | FreePool (DevicePathString);\r | |
285 | }\r | |
2eb35898 | 286 | \r |
8e875037 | 287 | DEBUG_CODE_END ();\r |
2eb35898 LE |
288 | }\r |
289 | \r | |
290 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
291 | }\r | |
292 | \r | |
07dd96e8 RN |
293 | VOID\r |
294 | PlatformRegisterOptionsAndKeys (\r | |
295 | VOID\r | |
296 | )\r | |
297 | {\r | |
ac0a286f MK |
298 | EFI_STATUS Status;\r |
299 | EFI_INPUT_KEY Enter;\r | |
300 | EFI_INPUT_KEY F2;\r | |
301 | EFI_INPUT_KEY Esc;\r | |
302 | EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r | |
07dd96e8 RN |
303 | \r |
304 | //\r | |
305 | // Register ENTER as CONTINUE key\r | |
306 | //\r | |
307 | Enter.ScanCode = SCAN_NULL;\r | |
308 | Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;\r | |
ac0a286f | 309 | Status = EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);\r |
07dd96e8 RN |
310 | ASSERT_EFI_ERROR (Status);\r |
311 | \r | |
312 | //\r | |
313 | // Map F2 to Boot Manager Menu\r | |
314 | //\r | |
315 | F2.ScanCode = SCAN_F2;\r | |
316 | F2.UnicodeChar = CHAR_NULL;\r | |
317 | Esc.ScanCode = SCAN_ESC;\r | |
318 | Esc.UnicodeChar = CHAR_NULL;\r | |
ac0a286f | 319 | Status = EfiBootManagerGetBootManagerMenu (&BootOption);\r |
07dd96e8 RN |
320 | ASSERT_EFI_ERROR (Status);\r |
321 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
ac0a286f MK |
322 | NULL,\r |
323 | (UINT16)BootOption.OptionNumber,\r | |
324 | 0,\r | |
325 | &F2,\r | |
326 | NULL\r | |
07dd96e8 RN |
327 | );\r |
328 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
329 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
ac0a286f MK |
330 | NULL,\r |
331 | (UINT16)BootOption.OptionNumber,\r | |
332 | 0,\r | |
333 | &Esc,\r | |
334 | NULL\r | |
07dd96e8 RN |
335 | );\r |
336 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
07dd96e8 RN |
337 | }\r |
338 | \r | |
30541881 RN |
339 | EFI_STATUS\r |
340 | EFIAPI\r | |
341 | ConnectRootBridge (\r | |
342 | IN EFI_HANDLE RootBridgeHandle,\r | |
343 | IN VOID *Instance,\r | |
344 | IN VOID *Context\r | |
345 | );\r | |
346 | \r | |
7ebad830 LE |
347 | STATIC\r |
348 | EFI_STATUS\r | |
349 | EFIAPI\r | |
350 | ConnectVirtioPciRng (\r | |
ac0a286f MK |
351 | IN EFI_HANDLE Handle,\r |
352 | IN VOID *Instance,\r | |
353 | IN VOID *Context\r | |
7ebad830 LE |
354 | );\r |
355 | \r | |
30541881 RN |
356 | STATIC\r |
357 | VOID\r | |
358 | SaveS3BootScript (\r | |
359 | VOID\r | |
360 | );\r | |
361 | \r | |
362 | //\r | |
363 | // BDS Platform Functions\r | |
364 | //\r | |
ac0a286f | 365 | \r |
fe1b9e8e LE |
366 | /**\r |
367 | Do the platform init, can be customized by OEM/IBV\r | |
368 | \r | |
369 | Possible things that can be done in PlatformBootManagerBeforeConsole:\r | |
370 | \r | |
371 | > Update console variable: 1. include hot-plug devices;\r | |
372 | > 2. Clear ConIn and add SOL for AMT\r | |
373 | > Register new Driver#### or Boot####\r | |
374 | > Register new Key####: e.g.: F12\r | |
375 | > Signal ReadyToLock event\r | |
376 | > Authentication action: 1. connect Auth devices;\r | |
377 | > 2. Identify auto logon user.\r | |
378 | **/\r | |
30541881 RN |
379 | VOID\r |
380 | EFIAPI\r | |
a7566234 | 381 | PlatformBootManagerBeforeConsole (\r |
30541881 RN |
382 | VOID\r |
383 | )\r | |
30541881 | 384 | {\r |
ac0a286f MK |
385 | EFI_HANDLE Handle;\r |
386 | EFI_STATUS Status;\r | |
387 | UINT16 FrontPageTimeout;\r | |
388 | RETURN_STATUS PcdStatus;\r | |
30541881 | 389 | \r |
70d5086c | 390 | DEBUG ((DEBUG_INFO, "PlatformBootManagerBeforeConsole\n"));\r |
30541881 RN |
391 | InstallDevicePathCallback ();\r |
392 | \r | |
ac0a286f MK |
393 | VisitAllInstancesOfProtocol (\r |
394 | &gEfiPciRootBridgeIoProtocolGuid,\r | |
395 | ConnectRootBridge,\r | |
396 | NULL\r | |
397 | );\r | |
30541881 RN |
398 | \r |
399 | //\r | |
400 | // Signal the ACPI platform driver that it can download QEMU ACPI tables.\r | |
401 | //\r | |
402 | EfiEventGroupSignal (&gRootBridgesConnectedEventGroupGuid);\r | |
403 | \r | |
404 | //\r | |
405 | // We can't signal End-of-Dxe earlier than this. Namely, End-of-Dxe triggers\r | |
406 | // the preparation of S3 system information. That logic has a hard dependency\r | |
407 | // on the presence of the FACS ACPI table. Since our ACPI tables are only\r | |
408 | // installed after PCI enumeration completes, we must not trigger the S3 save\r | |
409 | // earlier, hence we can't signal End-of-Dxe earlier.\r | |
410 | //\r | |
411 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r | |
412 | \r | |
52e2dabc | 413 | if (PcdGetBool (PcdAcpiS3Enable)) {\r |
30541881 RN |
414 | //\r |
415 | // Save the boot script too. Note that this will require us to emit the\r | |
416 | // DxeSmmReadyToLock event just below, which in turn locks down SMM.\r | |
417 | //\r | |
418 | SaveS3BootScript ();\r | |
419 | }\r | |
420 | \r | |
b8675dea SB |
421 | // We need to connect all trusted consoles for TCG PP. Here we treat all\r |
422 | // consoles in OVMF to be trusted consoles.\r | |
423 | PlatformInitializeConsole (\r | |
ac0a286f MK |
424 | XenDetected () ? gXenPlatformConsole : gPlatformConsole\r |
425 | );\r | |
b8675dea SB |
426 | \r |
427 | //\r | |
428 | // Process TPM PPI request; this may require keyboard input\r | |
429 | //\r | |
430 | Tcg2PhysicalPresenceLibProcessRequest (NULL);\r | |
431 | \r | |
30541881 RN |
432 | //\r |
433 | // Prevent further changes to LockBoxes or SMRAM.\r | |
b8675dea | 434 | // Any TPM 2 Physical Presence Interface opcode must be handled before.\r |
30541881 RN |
435 | //\r |
436 | Handle = NULL;\r | |
ac0a286f MK |
437 | Status = gBS->InstallProtocolInterface (\r |
438 | &Handle,\r | |
439 | &gEfiDxeSmmReadyToLockProtocolGuid,\r | |
440 | EFI_NATIVE_INTERFACE,\r | |
441 | NULL\r | |
442 | );\r | |
30541881 | 443 | ASSERT_EFI_ERROR (Status);\r |
e9e9ad64 | 444 | \r |
9789894e | 445 | //\r |
18064510 LE |
446 | // Dispatch deferred images after EndOfDxe event and ReadyToLock\r |
447 | // installation.\r | |
9789894e RN |
448 | //\r |
449 | EfiBootManagerDispatchDeferredImages ();\r | |
450 | \r | |
ee1f8262 SB |
451 | //\r |
452 | // GPU passthrough only allows Console enablement after ROM image load\r | |
453 | //\r | |
454 | PlatformInitializeConsole (\r | |
455 | XenDetected () ? gXenPlatformConsole : gPlatformConsole\r | |
456 | );\r | |
457 | \r | |
9b08c655 | 458 | FrontPageTimeout = GetFrontPageTimeoutFromQemu ();\r |
ac0a286f | 459 | PcdStatus = PcdSet16S (PcdPlatformBootTimeOut, FrontPageTimeout);\r |
579afd6b | 460 | ASSERT_RETURN_ERROR (PcdStatus);\r |
9b08c655 LE |
461 | //\r |
462 | // Reflect the PCD in the standard Timeout variable.\r | |
463 | //\r | |
464 | Status = gRT->SetVariable (\r | |
465 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
466 | &gEfiGlobalVariableGuid,\r | |
467 | (EFI_VARIABLE_NON_VOLATILE |\r | |
468 | EFI_VARIABLE_BOOTSERVICE_ACCESS |\r | |
469 | EFI_VARIABLE_RUNTIME_ACCESS),\r | |
470 | sizeof FrontPageTimeout,\r | |
471 | &FrontPageTimeout\r | |
472 | );\r | |
473 | DEBUG ((\r | |
474 | EFI_ERROR (Status) ? DEBUG_ERROR : DEBUG_VERBOSE,\r | |
475 | "%a: SetVariable(%s, %u): %r\n",\r | |
476 | __FUNCTION__,\r | |
477 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
478 | FrontPageTimeout,\r | |
479 | Status\r | |
480 | ));\r | |
07dd96e8 RN |
481 | \r |
482 | PlatformRegisterOptionsAndKeys ();\r | |
7ebad830 LE |
483 | \r |
484 | //\r | |
485 | // Install both VIRTIO_DEVICE_PROTOCOL and (dependent) EFI_RNG_PROTOCOL\r | |
486 | // instances on Virtio PCI RNG devices.\r | |
487 | //\r | |
ac0a286f MK |
488 | VisitAllInstancesOfProtocol (\r |
489 | &gEfiPciIoProtocolGuid,\r | |
490 | ConnectVirtioPciRng,\r | |
491 | NULL\r | |
492 | );\r | |
30541881 RN |
493 | }\r |
494 | \r | |
30541881 RN |
495 | EFI_STATUS\r |
496 | EFIAPI\r | |
497 | ConnectRootBridge (\r | |
498 | IN EFI_HANDLE RootBridgeHandle,\r | |
499 | IN VOID *Instance,\r | |
500 | IN VOID *Context\r | |
501 | )\r | |
502 | {\r | |
ac0a286f | 503 | EFI_STATUS Status;\r |
30541881 RN |
504 | \r |
505 | //\r | |
506 | // Make the PCI bus driver connect the root bridge, non-recursively. This\r | |
507 | // will produce a number of child handles with PciIo on them.\r | |
508 | //\r | |
509 | Status = gBS->ConnectController (\r | |
510 | RootBridgeHandle, // ControllerHandle\r | |
511 | NULL, // DriverImageHandle\r | |
512 | NULL, // RemainingDevicePath -- produce all\r | |
513 | // children\r | |
514 | FALSE // Recursive\r | |
515 | );\r | |
516 | return Status;\r | |
517 | }\r | |
518 | \r | |
7ebad830 LE |
519 | STATIC\r |
520 | EFI_STATUS\r | |
521 | EFIAPI\r | |
522 | ConnectVirtioPciRng (\r | |
ac0a286f MK |
523 | IN EFI_HANDLE Handle,\r |
524 | IN VOID *Instance,\r | |
525 | IN VOID *Context\r | |
7ebad830 LE |
526 | )\r |
527 | {\r | |
ac0a286f MK |
528 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
529 | EFI_STATUS Status;\r | |
530 | UINT16 VendorId;\r | |
531 | UINT16 DeviceId;\r | |
532 | UINT8 RevisionId;\r | |
533 | BOOLEAN Virtio10;\r | |
534 | UINT16 SubsystemId;\r | |
7ebad830 LE |
535 | \r |
536 | PciIo = Instance;\r | |
537 | \r | |
538 | //\r | |
539 | // Read and check VendorId.\r | |
540 | //\r | |
ac0a286f MK |
541 | Status = PciIo->Pci.Read (\r |
542 | PciIo,\r | |
543 | EfiPciIoWidthUint16,\r | |
544 | PCI_VENDOR_ID_OFFSET,\r | |
545 | 1,\r | |
546 | &VendorId\r | |
547 | );\r | |
7ebad830 LE |
548 | if (EFI_ERROR (Status)) {\r |
549 | goto Error;\r | |
550 | }\r | |
ac0a286f | 551 | \r |
7ebad830 LE |
552 | if (VendorId != VIRTIO_VENDOR_ID) {\r |
553 | return EFI_SUCCESS;\r | |
554 | }\r | |
555 | \r | |
556 | //\r | |
557 | // Read DeviceId and RevisionId.\r | |
558 | //\r | |
ac0a286f MK |
559 | Status = PciIo->Pci.Read (\r |
560 | PciIo,\r | |
561 | EfiPciIoWidthUint16,\r | |
562 | PCI_DEVICE_ID_OFFSET,\r | |
563 | 1,\r | |
564 | &DeviceId\r | |
565 | );\r | |
7ebad830 LE |
566 | if (EFI_ERROR (Status)) {\r |
567 | goto Error;\r | |
568 | }\r | |
ac0a286f MK |
569 | \r |
570 | Status = PciIo->Pci.Read (\r | |
571 | PciIo,\r | |
572 | EfiPciIoWidthUint8,\r | |
573 | PCI_REVISION_ID_OFFSET,\r | |
574 | 1,\r | |
575 | &RevisionId\r | |
576 | );\r | |
7ebad830 LE |
577 | if (EFI_ERROR (Status)) {\r |
578 | goto Error;\r | |
579 | }\r | |
580 | \r | |
581 | //\r | |
582 | // From DeviceId and RevisionId, determine whether the device is a\r | |
583 | // modern-only Virtio 1.0 device. In case of Virtio 1.0, DeviceId can\r | |
584 | // immediately be restricted to VIRTIO_SUBSYSTEM_ENTROPY_SOURCE, and\r | |
585 | // SubsystemId will only play a sanity-check role. Otherwise, DeviceId can\r | |
586 | // only be sanity-checked, and SubsystemId will decide.\r | |
587 | //\r | |
ac0a286f MK |
588 | if ((DeviceId == 0x1040 + VIRTIO_SUBSYSTEM_ENTROPY_SOURCE) &&\r |
589 | (RevisionId >= 0x01))\r | |
590 | {\r | |
7ebad830 | 591 | Virtio10 = TRUE;\r |
ac0a286f | 592 | } else if ((DeviceId >= 0x1000) && (DeviceId <= 0x103F) && (RevisionId == 0x00)) {\r |
7ebad830 LE |
593 | Virtio10 = FALSE;\r |
594 | } else {\r | |
595 | return EFI_SUCCESS;\r | |
596 | }\r | |
597 | \r | |
598 | //\r | |
599 | // Read and check SubsystemId as dictated by Virtio10.\r | |
600 | //\r | |
ac0a286f MK |
601 | Status = PciIo->Pci.Read (\r |
602 | PciIo,\r | |
603 | EfiPciIoWidthUint16,\r | |
604 | PCI_SUBSYSTEM_ID_OFFSET,\r | |
605 | 1,\r | |
606 | &SubsystemId\r | |
607 | );\r | |
7ebad830 LE |
608 | if (EFI_ERROR (Status)) {\r |
609 | goto Error;\r | |
610 | }\r | |
ac0a286f MK |
611 | \r |
612 | if ((Virtio10 && (SubsystemId >= 0x40)) ||\r | |
613 | (!Virtio10 && (SubsystemId == VIRTIO_SUBSYSTEM_ENTROPY_SOURCE)))\r | |
614 | {\r | |
7ebad830 LE |
615 | Status = gBS->ConnectController (\r |
616 | Handle, // ControllerHandle\r | |
617 | NULL, // DriverImageHandle -- connect all drivers\r | |
618 | NULL, // RemainingDevicePath -- produce all child handles\r | |
619 | FALSE // Recursive -- don't follow child handles\r | |
620 | );\r | |
621 | if (EFI_ERROR (Status)) {\r | |
622 | goto Error;\r | |
623 | }\r | |
624 | }\r | |
ac0a286f | 625 | \r |
7ebad830 LE |
626 | return EFI_SUCCESS;\r |
627 | \r | |
628 | Error:\r | |
629 | DEBUG ((DEBUG_ERROR, "%a: %r\n", __FUNCTION__, Status));\r | |
630 | return Status;\r | |
631 | }\r | |
632 | \r | |
fe1b9e8e LE |
633 | /**\r |
634 | Add IsaKeyboard to ConIn; add IsaSerial to ConOut, ConIn, ErrOut.\r | |
635 | \r | |
636 | @param[in] DeviceHandle Handle of the LPC Bridge device.\r | |
637 | \r | |
638 | @retval EFI_SUCCESS Console devices on the LPC bridge have been added to\r | |
639 | ConOut, ConIn, and ErrOut.\r | |
640 | \r | |
641 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
642 | from DeviceHandle.\r | |
643 | **/\r | |
30541881 RN |
644 | EFI_STATUS\r |
645 | PrepareLpcBridgeDevicePath (\r | |
ac0a286f | 646 | IN EFI_HANDLE DeviceHandle\r |
30541881 | 647 | )\r |
30541881 RN |
648 | {\r |
649 | EFI_STATUS Status;\r | |
650 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
651 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
652 | CHAR16 *DevPathStr;\r | |
653 | \r | |
654 | DevicePath = NULL;\r | |
ac0a286f MK |
655 | Status = gBS->HandleProtocol (\r |
656 | DeviceHandle,\r | |
657 | &gEfiDevicePathProtocolGuid,\r | |
658 | (VOID *)&DevicePath\r | |
659 | );\r | |
30541881 RN |
660 | if (EFI_ERROR (Status)) {\r |
661 | return Status;\r | |
662 | }\r | |
ac0a286f | 663 | \r |
30541881 RN |
664 | TempDevicePath = DevicePath;\r |
665 | \r | |
666 | //\r | |
667 | // Register Keyboard\r | |
668 | //\r | |
ac0a286f MK |
669 | DevicePath = AppendDevicePathNode (\r |
670 | DevicePath,\r | |
671 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode\r | |
672 | );\r | |
30541881 | 673 | \r |
9dc08ec6 | 674 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r |
30541881 RN |
675 | \r |
676 | //\r | |
677 | // Register COM1\r | |
678 | //\r | |
ac0a286f | 679 | DevicePath = TempDevicePath;\r |
30541881 RN |
680 | gPnp16550ComPortDeviceNode.UID = 0;\r |
681 | \r | |
ac0a286f MK |
682 | DevicePath = AppendDevicePathNode (\r |
683 | DevicePath,\r | |
684 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode\r | |
685 | );\r | |
686 | DevicePath = AppendDevicePathNode (\r | |
687 | DevicePath,\r | |
688 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
689 | );\r | |
690 | DevicePath = AppendDevicePathNode (\r | |
691 | DevicePath,\r | |
692 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
693 | );\r | |
30541881 RN |
694 | \r |
695 | //\r | |
696 | // Print Device Path\r | |
697 | //\r | |
77f47588 | 698 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 | 699 | if (DevPathStr != NULL) {\r |
ac0a286f | 700 | DEBUG ((\r |
70d5086c | 701 | DEBUG_INFO,\r |
30541881 | 702 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r |
fd42dcb1 | 703 | DEBUG_LINE_NUMBER,\r |
30541881 RN |
704 | gPnp16550ComPortDeviceNode.UID + 1,\r |
705 | DevPathStr\r | |
706 | ));\r | |
ac0a286f | 707 | FreePool (DevPathStr);\r |
30541881 RN |
708 | }\r |
709 | \r | |
9dc08ec6 RN |
710 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
711 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
712 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
713 | \r |
714 | //\r | |
715 | // Register COM2\r | |
716 | //\r | |
ac0a286f | 717 | DevicePath = TempDevicePath;\r |
30541881 RN |
718 | gPnp16550ComPortDeviceNode.UID = 1;\r |
719 | \r | |
ac0a286f MK |
720 | DevicePath = AppendDevicePathNode (\r |
721 | DevicePath,\r | |
722 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode\r | |
723 | );\r | |
724 | DevicePath = AppendDevicePathNode (\r | |
725 | DevicePath,\r | |
726 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
727 | );\r | |
728 | DevicePath = AppendDevicePathNode (\r | |
729 | DevicePath,\r | |
730 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
731 | );\r | |
30541881 RN |
732 | \r |
733 | //\r | |
734 | // Print Device Path\r | |
735 | //\r | |
77f47588 | 736 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 | 737 | if (DevPathStr != NULL) {\r |
ac0a286f | 738 | DEBUG ((\r |
70d5086c | 739 | DEBUG_INFO,\r |
30541881 | 740 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r |
fd42dcb1 | 741 | DEBUG_LINE_NUMBER,\r |
30541881 RN |
742 | gPnp16550ComPortDeviceNode.UID + 1,\r |
743 | DevPathStr\r | |
744 | ));\r | |
ac0a286f | 745 | FreePool (DevPathStr);\r |
30541881 RN |
746 | }\r |
747 | \r | |
9dc08ec6 RN |
748 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
749 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
750 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
751 | \r |
752 | return EFI_SUCCESS;\r | |
753 | }\r | |
754 | \r | |
55f47d22 | 755 | typedef struct {\r |
ac0a286f MK |
756 | VENDOR_DEVICE_PATH Guid;\r |
757 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
55f47d22 GH |
758 | } SERIAL_DEVICE_PATH;\r |
759 | \r | |
ac0a286f | 760 | SERIAL_DEVICE_PATH serialDevicePath = {\r |
55f47d22 | 761 | {\r |
ac0a286f MK |
762 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, { sizeof (VENDOR_DEVICE_PATH), 0 }\r |
763 | },\r | |
55f47d22 GH |
764 | EDKII_SERIAL_PORT_LIB_VENDOR_GUID\r |
765 | },\r | |
ac0a286f MK |
766 | { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 }\r |
767 | }\r | |
55f47d22 GH |
768 | };\r |
769 | \r | |
770 | VOID\r | |
771 | PrepareMicrovmDevicePath (\r | |
772 | VOID\r | |
773 | )\r | |
774 | {\r | |
775 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
776 | UINT16 HostBridgeDevId;\r | |
777 | \r | |
778 | HostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
779 | if (HostBridgeDevId != MICROVM_PSEUDO_DEVICE_ID) {\r | |
780 | return;\r | |
781 | }\r | |
782 | \r | |
ac0a286f MK |
783 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)&serialDevicePath;\r |
784 | DevicePath = AppendDevicePathNode (\r | |
785 | DevicePath,\r | |
786 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
787 | );\r | |
788 | DevicePath = AppendDevicePathNode (\r | |
789 | DevicePath,\r | |
790 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
791 | );\r | |
55f47d22 GH |
792 | \r |
793 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
794 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
795 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
796 | }\r | |
797 | \r | |
30541881 RN |
798 | EFI_STATUS\r |
799 | GetGopDevicePath (\r | |
ac0a286f MK |
800 | IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,\r |
801 | OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath\r | |
802 | )\r | |
30541881 | 803 | {\r |
ac0a286f MK |
804 | UINTN Index;\r |
805 | EFI_STATUS Status;\r | |
806 | EFI_HANDLE PciDeviceHandle;\r | |
807 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
808 | EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;\r | |
809 | UINTN GopHandleCount;\r | |
810 | EFI_HANDLE *GopHandleBuffer;\r | |
811 | \r | |
812 | if ((PciDevicePath == NULL) || (GopDevicePath == NULL)) {\r | |
30541881 RN |
813 | return EFI_INVALID_PARAMETER;\r |
814 | }\r | |
815 | \r | |
816 | //\r | |
817 | // Initialize the GopDevicePath to be PciDevicePath\r | |
818 | //\r | |
819 | *GopDevicePath = PciDevicePath;\r | |
820 | TempPciDevicePath = PciDevicePath;\r | |
821 | \r | |
822 | Status = gBS->LocateDevicePath (\r | |
823 | &gEfiDevicePathProtocolGuid,\r | |
824 | &TempPciDevicePath,\r | |
825 | &PciDeviceHandle\r | |
826 | );\r | |
827 | if (EFI_ERROR (Status)) {\r | |
828 | return Status;\r | |
829 | }\r | |
830 | \r | |
831 | //\r | |
f17c0ab6 | 832 | // Try to connect this handle, so that GOP driver could start on this\r |
30541881 RN |
833 | // device and create child handles with GraphicsOutput Protocol installed\r |
834 | // on them, then we get device paths of these child handles and select\r | |
835 | // them as possible console device.\r | |
836 | //\r | |
837 | gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);\r | |
838 | \r | |
839 | Status = gBS->LocateHandleBuffer (\r | |
840 | ByProtocol,\r | |
841 | &gEfiGraphicsOutputProtocolGuid,\r | |
842 | NULL,\r | |
843 | &GopHandleCount,\r | |
844 | &GopHandleBuffer\r | |
845 | );\r | |
846 | if (!EFI_ERROR (Status)) {\r | |
847 | //\r | |
848 | // Add all the child handles as possible Console Device\r | |
849 | //\r | |
850 | for (Index = 0; Index < GopHandleCount; Index++) {\r | |
ac0a286f MK |
851 | Status = gBS->HandleProtocol (\r |
852 | GopHandleBuffer[Index],\r | |
853 | &gEfiDevicePathProtocolGuid,\r | |
854 | (VOID *)&TempDevicePath\r | |
855 | );\r | |
30541881 RN |
856 | if (EFI_ERROR (Status)) {\r |
857 | continue;\r | |
858 | }\r | |
ac0a286f | 859 | \r |
30541881 RN |
860 | if (CompareMem (\r |
861 | PciDevicePath,\r | |
862 | TempDevicePath,\r | |
863 | GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH\r | |
ac0a286f MK |
864 | ) == 0)\r |
865 | {\r | |
30541881 RN |
866 | //\r |
867 | // In current implementation, we only enable one of the child handles\r | |
868 | // as console device, i.e. sotre one of the child handle's device\r | |
869 | // path to variable "ConOut"\r | |
f17c0ab6 | 870 | // In future, we could select all child handles to be console device\r |
30541881 RN |
871 | //\r |
872 | \r | |
873 | *GopDevicePath = TempDevicePath;\r | |
874 | \r | |
875 | //\r | |
18064510 LE |
876 | // Delete the PCI device's path that added by\r |
877 | // GetPlugInPciVgaDevicePath(). Add the integrity GOP device path.\r | |
30541881 | 878 | //\r |
9dc08ec6 RN |
879 | EfiBootManagerUpdateConsoleVariable (ConOutDev, NULL, PciDevicePath);\r |
880 | EfiBootManagerUpdateConsoleVariable (ConOutDev, TempDevicePath, NULL);\r | |
30541881 RN |
881 | }\r |
882 | }\r | |
ac0a286f | 883 | \r |
30541881 RN |
884 | gBS->FreePool (GopHandleBuffer);\r |
885 | }\r | |
886 | \r | |
887 | return EFI_SUCCESS;\r | |
888 | }\r | |
889 | \r | |
fe1b9e8e LE |
890 | /**\r |
891 | Add PCI display to ConOut.\r | |
892 | \r | |
893 | @param[in] DeviceHandle Handle of the PCI display device.\r | |
894 | \r | |
895 | @retval EFI_SUCCESS The PCI display device has been added to ConOut.\r | |
896 | \r | |
897 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
898 | from DeviceHandle.\r | |
899 | **/\r | |
30541881 | 900 | EFI_STATUS\r |
4fdb585c | 901 | PreparePciDisplayDevicePath (\r |
ac0a286f | 902 | IN EFI_HANDLE DeviceHandle\r |
30541881 | 903 | )\r |
30541881 RN |
904 | {\r |
905 | EFI_STATUS Status;\r | |
906 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
907 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;\r | |
908 | \r | |
909 | DevicePath = NULL;\r | |
910 | GopDevicePath = NULL;\r | |
ac0a286f MK |
911 | Status = gBS->HandleProtocol (\r |
912 | DeviceHandle,\r | |
913 | &gEfiDevicePathProtocolGuid,\r | |
914 | (VOID *)&DevicePath\r | |
915 | );\r | |
30541881 RN |
916 | if (EFI_ERROR (Status)) {\r |
917 | return Status;\r | |
918 | }\r | |
919 | \r | |
920 | GetGopDevicePath (DevicePath, &GopDevicePath);\r | |
921 | DevicePath = GopDevicePath;\r | |
922 | \r | |
9dc08ec6 | 923 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
30541881 RN |
924 | \r |
925 | return EFI_SUCCESS;\r | |
926 | }\r | |
927 | \r | |
fe1b9e8e | 928 | /**\r |
30541881 | 929 | Add PCI Serial to ConOut, ConIn, ErrOut.\r |
30541881 | 930 | \r |
fe1b9e8e | 931 | @param[in] DeviceHandle Handle of the PCI serial device.\r |
30541881 | 932 | \r |
fe1b9e8e LE |
933 | @retval EFI_SUCCESS The PCI serial device has been added to ConOut, ConIn,\r |
934 | ErrOut.\r | |
30541881 | 935 | \r |
fe1b9e8e LE |
936 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r |
937 | from DeviceHandle.\r | |
938 | **/\r | |
939 | EFI_STATUS\r | |
940 | PreparePciSerialDevicePath (\r | |
ac0a286f | 941 | IN EFI_HANDLE DeviceHandle\r |
fe1b9e8e | 942 | )\r |
30541881 RN |
943 | {\r |
944 | EFI_STATUS Status;\r | |
945 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
946 | \r | |
947 | DevicePath = NULL;\r | |
ac0a286f MK |
948 | Status = gBS->HandleProtocol (\r |
949 | DeviceHandle,\r | |
950 | &gEfiDevicePathProtocolGuid,\r | |
951 | (VOID *)&DevicePath\r | |
952 | );\r | |
30541881 RN |
953 | if (EFI_ERROR (Status)) {\r |
954 | return Status;\r | |
955 | }\r | |
956 | \r | |
ac0a286f MK |
957 | DevicePath = AppendDevicePathNode (\r |
958 | DevicePath,\r | |
959 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
960 | );\r | |
961 | DevicePath = AppendDevicePathNode (\r | |
962 | DevicePath,\r | |
963 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
964 | );\r | |
30541881 | 965 | \r |
9dc08ec6 RN |
966 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
967 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
968 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
969 | \r |
970 | return EFI_SUCCESS;\r | |
971 | }\r | |
972 | \r | |
973 | EFI_STATUS\r | |
974 | VisitAllInstancesOfProtocol (\r | |
975 | IN EFI_GUID *Id,\r | |
976 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
977 | IN VOID *Context\r | |
978 | )\r | |
979 | {\r | |
ac0a286f MK |
980 | EFI_STATUS Status;\r |
981 | UINTN HandleCount;\r | |
982 | EFI_HANDLE *HandleBuffer;\r | |
983 | UINTN Index;\r | |
984 | VOID *Instance;\r | |
30541881 RN |
985 | \r |
986 | //\r | |
987 | // Start to check all the PciIo to find all possible device\r | |
988 | //\r | |
ac0a286f | 989 | HandleCount = 0;\r |
30541881 | 990 | HandleBuffer = NULL;\r |
ac0a286f MK |
991 | Status = gBS->LocateHandleBuffer (\r |
992 | ByProtocol,\r | |
993 | Id,\r | |
994 | NULL,\r | |
995 | &HandleCount,\r | |
996 | &HandleBuffer\r | |
997 | );\r | |
30541881 RN |
998 | if (EFI_ERROR (Status)) {\r |
999 | return Status;\r | |
1000 | }\r | |
1001 | \r | |
1002 | for (Index = 0; Index < HandleCount; Index++) {\r | |
1003 | Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);\r | |
1004 | if (EFI_ERROR (Status)) {\r | |
1005 | continue;\r | |
1006 | }\r | |
1007 | \r | |
ac0a286f MK |
1008 | Status = (*CallBackFunction)(\r |
1009 | HandleBuffer[Index],\r | |
1010 | Instance,\r | |
1011 | Context\r | |
1012 | );\r | |
30541881 RN |
1013 | }\r |
1014 | \r | |
1015 | gBS->FreePool (HandleBuffer);\r | |
1016 | \r | |
1017 | return EFI_SUCCESS;\r | |
1018 | }\r | |
1019 | \r | |
30541881 RN |
1020 | EFI_STATUS\r |
1021 | EFIAPI\r | |
1022 | VisitingAPciInstance (\r | |
1023 | IN EFI_HANDLE Handle,\r | |
1024 | IN VOID *Instance,\r | |
1025 | IN VOID *Context\r | |
1026 | )\r | |
1027 | {\r | |
ac0a286f MK |
1028 | EFI_STATUS Status;\r |
1029 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1030 | PCI_TYPE00 Pci;\r | |
30541881 | 1031 | \r |
ac0a286f | 1032 | PciIo = (EFI_PCI_IO_PROTOCOL *)Instance;\r |
30541881 RN |
1033 | \r |
1034 | //\r | |
1035 | // Check for all PCI device\r | |
1036 | //\r | |
1037 | Status = PciIo->Pci.Read (\r | |
ac0a286f MK |
1038 | PciIo,\r |
1039 | EfiPciIoWidthUint32,\r | |
1040 | 0,\r | |
1041 | sizeof (Pci) / sizeof (UINT32),\r | |
1042 | &Pci\r | |
1043 | );\r | |
30541881 RN |
1044 | if (EFI_ERROR (Status)) {\r |
1045 | return Status;\r | |
1046 | }\r | |
1047 | \r | |
ac0a286f MK |
1048 | return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN)Context)(\r |
1049 | Handle,\r | |
1050 | PciIo,\r | |
1051 | &Pci\r | |
1052 | );\r | |
30541881 RN |
1053 | }\r |
1054 | \r | |
30541881 RN |
1055 | EFI_STATUS\r |
1056 | VisitAllPciInstances (\r | |
ac0a286f | 1057 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r |
30541881 RN |
1058 | )\r |
1059 | {\r | |
1060 | return VisitAllInstancesOfProtocol (\r | |
1061 | &gEfiPciIoProtocolGuid,\r | |
1062 | VisitingAPciInstance,\r | |
ac0a286f | 1063 | (VOID *)(UINTN)CallBackFunction\r |
30541881 RN |
1064 | );\r |
1065 | }\r | |
1066 | \r | |
30541881 RN |
1067 | /**\r |
1068 | Do platform specific PCI Device check and add them to\r | |
1069 | ConOut, ConIn, ErrOut.\r | |
1070 | \r | |
1071 | @param[in] Handle - Handle of PCI device instance\r | |
1072 | @param[in] PciIo - PCI IO protocol instance\r | |
1073 | @param[in] Pci - PCI Header register block\r | |
1074 | \r | |
18064510 LE |
1075 | @retval EFI_SUCCESS - PCI Device check and Console variable update\r |
1076 | successfully.\r | |
30541881 RN |
1077 | @retval EFI_STATUS - PCI Device check or Console variable update fail.\r |
1078 | \r | |
1079 | **/\r | |
1080 | EFI_STATUS\r | |
1081 | EFIAPI\r | |
1082 | DetectAndPreparePlatformPciDevicePath (\r | |
1083 | IN EFI_HANDLE Handle,\r | |
1084 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1085 | IN PCI_TYPE00 *Pci\r | |
1086 | )\r | |
1087 | {\r | |
ac0a286f | 1088 | EFI_STATUS Status;\r |
30541881 RN |
1089 | \r |
1090 | Status = PciIo->Attributes (\r | |
ac0a286f MK |
1091 | PciIo,\r |
1092 | EfiPciIoAttributeOperationEnable,\r | |
1093 | EFI_PCI_DEVICE_ENABLE,\r | |
1094 | NULL\r | |
1095 | );\r | |
30541881 RN |
1096 | ASSERT_EFI_ERROR (Status);\r |
1097 | \r | |
f803c03c LE |
1098 | //\r |
1099 | // Here we decide whether it is LPC Bridge\r | |
1100 | //\r | |
1101 | if ((IS_PCI_LPC (Pci)) ||\r | |
1102 | ((IS_PCI_ISA_PDECODE (Pci)) &&\r | |
1103 | (Pci->Hdr.VendorId == 0x8086) &&\r | |
1104 | (Pci->Hdr.DeviceId == 0x7000)\r | |
1105 | )\r | |
ac0a286f MK |
1106 | )\r |
1107 | {\r | |
30541881 | 1108 | //\r |
f803c03c LE |
1109 | // Add IsaKeyboard to ConIn,\r |
1110 | // add IsaSerial to ConOut, ConIn, ErrOut\r | |
30541881 | 1111 | //\r |
70d5086c | 1112 | DEBUG ((DEBUG_INFO, "Found LPC Bridge device\n"));\r |
f803c03c LE |
1113 | PrepareLpcBridgeDevicePath (Handle);\r |
1114 | return EFI_SUCCESS;\r | |
1115 | }\r | |
ac0a286f | 1116 | \r |
f803c03c LE |
1117 | //\r |
1118 | // Here we decide which Serial device to enable in PCI bus\r | |
1119 | //\r | |
1120 | if (IS_PCI_16550SERIAL (Pci)) {\r | |
30541881 | 1121 | //\r |
f803c03c | 1122 | // Add them to ConOut, ConIn, ErrOut.\r |
30541881 | 1123 | //\r |
70d5086c | 1124 | DEBUG ((DEBUG_INFO, "Found PCI 16550 SERIAL device\n"));\r |
f803c03c LE |
1125 | PreparePciSerialDevicePath (Handle);\r |
1126 | return EFI_SUCCESS;\r | |
30541881 RN |
1127 | }\r |
1128 | \r | |
1129 | //\r | |
4fdb585c | 1130 | // Here we decide which display device to enable in PCI bus\r |
30541881 | 1131 | //\r |
4fdb585c | 1132 | if (IS_PCI_DISPLAY (Pci)) {\r |
30541881 RN |
1133 | //\r |
1134 | // Add them to ConOut.\r | |
1135 | //\r | |
70d5086c | 1136 | DEBUG ((DEBUG_INFO, "Found PCI display device\n"));\r |
4fdb585c | 1137 | PreparePciDisplayDevicePath (Handle);\r |
30541881 RN |
1138 | return EFI_SUCCESS;\r |
1139 | }\r | |
1140 | \r | |
1141 | return Status;\r | |
1142 | }\r | |
1143 | \r | |
fe1b9e8e LE |
1144 | /**\r |
1145 | Connect the predefined platform default console device.\r | |
1146 | \r | |
1147 | Always try to find and enable PCI display devices.\r | |
1148 | \r | |
1149 | @param[in] PlatformConsole Predefined platform default console device array.\r | |
1150 | **/\r | |
e9e9ad64 RN |
1151 | VOID\r |
1152 | PlatformInitializeConsole (\r | |
ac0a286f | 1153 | IN PLATFORM_CONSOLE_CONNECT_ENTRY *PlatformConsole\r |
30541881 | 1154 | )\r |
30541881 | 1155 | {\r |
ac0a286f | 1156 | UINTN Index;\r |
30541881 RN |
1157 | \r |
1158 | //\r | |
f803c03c LE |
1159 | // Do platform specific PCI Device check and add them to ConOut, ConIn,\r |
1160 | // ErrOut\r | |
30541881 | 1161 | //\r |
f803c03c | 1162 | VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);\r |
30541881 | 1163 | \r |
55f47d22 GH |
1164 | PrepareMicrovmDevicePath ();\r |
1165 | \r | |
f803c03c LE |
1166 | //\r |
1167 | // Have chance to connect the platform default console,\r | |
1168 | // the platform default console is the minimum device group\r | |
1169 | // the platform should support\r | |
1170 | //\r | |
1171 | for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {\r | |
30541881 | 1172 | //\r |
f803c03c | 1173 | // Update the console variable with the connect type\r |
30541881 | 1174 | //\r |
f803c03c | 1175 | if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {\r |
ac0a286f MK |
1176 | EfiBootManagerUpdateConsoleVariable (\r |
1177 | ConIn,\r | |
1178 | PlatformConsole[Index].DevicePath,\r | |
1179 | NULL\r | |
1180 | );\r | |
f803c03c | 1181 | }\r |
ac0a286f | 1182 | \r |
f803c03c | 1183 | if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {\r |
ac0a286f MK |
1184 | EfiBootManagerUpdateConsoleVariable (\r |
1185 | ConOut,\r | |
1186 | PlatformConsole[Index].DevicePath,\r | |
1187 | NULL\r | |
1188 | );\r | |
f803c03c | 1189 | }\r |
ac0a286f | 1190 | \r |
f803c03c | 1191 | if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {\r |
ac0a286f MK |
1192 | EfiBootManagerUpdateConsoleVariable (\r |
1193 | ErrOut,\r | |
1194 | PlatformConsole[Index].DevicePath,\r | |
1195 | NULL\r | |
1196 | );\r | |
30541881 | 1197 | }\r |
30541881 | 1198 | }\r |
30541881 RN |
1199 | }\r |
1200 | \r | |
30541881 RN |
1201 | /**\r |
1202 | Configure PCI Interrupt Line register for applicable devices\r | |
1203 | Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()\r | |
1204 | \r | |
1205 | @param[in] Handle - Handle of PCI device instance\r | |
1206 | @param[in] PciIo - PCI IO protocol instance\r | |
1207 | @param[in] PciHdr - PCI Header register block\r | |
1208 | \r | |
1209 | @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.\r | |
1210 | \r | |
1211 | **/\r | |
1212 | EFI_STATUS\r | |
1213 | EFIAPI\r | |
1214 | SetPciIntLine (\r | |
1215 | IN EFI_HANDLE Handle,\r | |
1216 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1217 | IN PCI_TYPE00 *PciHdr\r | |
1218 | )\r | |
1219 | {\r | |
1220 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1221 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1222 | UINTN RootSlot;\r | |
1223 | UINTN Idx;\r | |
1224 | UINT8 IrqLine;\r | |
1225 | EFI_STATUS Status;\r | |
1226 | UINT32 RootBusNumber;\r | |
1227 | \r | |
1228 | Status = EFI_SUCCESS;\r | |
1229 | \r | |
1230 | if (PciHdr->Device.InterruptPin != 0) {\r | |
30541881 RN |
1231 | DevPathNode = DevicePathFromHandle (Handle);\r |
1232 | ASSERT (DevPathNode != NULL);\r | |
1233 | DevPath = DevPathNode;\r | |
1234 | \r | |
1235 | RootBusNumber = 0;\r | |
ac0a286f MK |
1236 | if ((DevicePathType (DevPathNode) == ACPI_DEVICE_PATH) &&\r |
1237 | (DevicePathSubType (DevPathNode) == ACPI_DP) &&\r | |
1238 | (((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID (0x0A03)))\r | |
1239 | {\r | |
30541881 RN |
1240 | RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;\r |
1241 | }\r | |
1242 | \r | |
1243 | //\r | |
1244 | // Compute index into PciHostIrqs[] table by walking\r | |
1245 | // the device path and adding up all device numbers\r | |
1246 | //\r | |
ac0a286f | 1247 | Status = EFI_NOT_FOUND;\r |
30541881 | 1248 | RootSlot = 0;\r |
ac0a286f | 1249 | Idx = PciHdr->Device.InterruptPin - 1;\r |
30541881 | 1250 | while (!IsDevicePathEnd (DevPathNode)) {\r |
ac0a286f MK |
1251 | if ((DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH) &&\r |
1252 | (DevicePathSubType (DevPathNode) == HW_PCI_DP))\r | |
1253 | {\r | |
30541881 RN |
1254 | Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r |
1255 | \r | |
1256 | //\r | |
1257 | // Unlike SeaBIOS, which starts climbing from the leaf device\r | |
1258 | // up toward the root, we traverse the device path starting at\r | |
1259 | // the root moving toward the leaf node.\r | |
1260 | // The slot number of the top-level parent bridge is needed for\r | |
1261 | // Q35 cases with more than 24 slots on the root bus.\r | |
1262 | //\r | |
1263 | if (Status != EFI_SUCCESS) {\r | |
ac0a286f | 1264 | Status = EFI_SUCCESS;\r |
30541881 RN |
1265 | RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r |
1266 | }\r | |
1267 | }\r | |
1268 | \r | |
1269 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1270 | }\r | |
ac0a286f | 1271 | \r |
30541881 RN |
1272 | if (EFI_ERROR (Status)) {\r |
1273 | return Status;\r | |
1274 | }\r | |
ac0a286f MK |
1275 | \r |
1276 | if ((RootBusNumber == 0) && (RootSlot == 0)) {\r | |
1277 | DEBUG ((\r | |
70d5086c | 1278 | DEBUG_ERROR,\r |
30541881 RN |
1279 | "%a: PCI host bridge (00:00.0) should have no interrupts!\n",\r |
1280 | __FUNCTION__\r | |
1281 | ));\r | |
1282 | ASSERT (FALSE);\r | |
1283 | }\r | |
1284 | \r | |
1285 | //\r | |
1286 | // Final PciHostIrqs[] index calculation depends on the platform\r | |
1287 | // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()\r | |
1288 | //\r | |
1289 | switch (mHostBridgeDevId) {\r | |
1290 | case INTEL_82441_DEVICE_ID:\r | |
1291 | Idx -= 1;\r | |
1292 | break;\r | |
1293 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1294 | //\r | |
1295 | // SeaBIOS contains the following comment:\r | |
1296 | // "Slots 0-24 rotate slot:pin mapping similar to piix above, but\r | |
1297 | // with a different starting index - see q35-acpi-dsdt.dsl.\r | |
1298 | //\r | |
1299 | // Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"\r | |
1300 | //\r | |
1301 | if (RootSlot > 24) {\r | |
1302 | //\r | |
1303 | // in this case, subtract back out RootSlot from Idx\r | |
1304 | // (SeaBIOS never adds it to begin with, but that would make our\r | |
1305 | // device path traversal loop above too awkward)\r | |
1306 | //\r | |
1307 | Idx -= RootSlot;\r | |
1308 | }\r | |
ac0a286f | 1309 | \r |
30541881 RN |
1310 | break;\r |
1311 | default:\r | |
1312 | ASSERT (FALSE); // should never get here\r | |
1313 | }\r | |
ac0a286f MK |
1314 | \r |
1315 | Idx %= ARRAY_SIZE (PciHostIrqs);\r | |
30541881 RN |
1316 | IrqLine = PciHostIrqs[Idx];\r |
1317 | \r | |
1318 | DEBUG_CODE_BEGIN ();\r | |
1319 | {\r | |
ac0a286f MK |
1320 | CHAR16 *DevPathString;\r |
1321 | STATIC CHAR16 Fallback[] = L"<failed to convert>";\r | |
1322 | UINTN Segment, Bus, Device, Function;\r | |
30541881 RN |
1323 | \r |
1324 | DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);\r | |
1325 | if (DevPathString == NULL) {\r | |
1326 | DevPathString = Fallback;\r | |
1327 | }\r | |
ac0a286f | 1328 | \r |
30541881 RN |
1329 | Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);\r |
1330 | ASSERT_EFI_ERROR (Status);\r | |
1331 | \r | |
ac0a286f MK |
1332 | DEBUG ((\r |
1333 | DEBUG_VERBOSE,\r | |
1334 | "%a: [%02x:%02x.%x] %s -> 0x%02x\n",\r | |
1335 | __FUNCTION__,\r | |
1336 | (UINT32)Bus,\r | |
1337 | (UINT32)Device,\r | |
1338 | (UINT32)Function,\r | |
1339 | DevPathString,\r | |
1340 | IrqLine\r | |
1341 | ));\r | |
30541881 RN |
1342 | \r |
1343 | if (DevPathString != Fallback) {\r | |
1344 | FreePool (DevPathString);\r | |
1345 | }\r | |
1346 | }\r | |
1347 | DEBUG_CODE_END ();\r | |
1348 | \r | |
1349 | //\r | |
1350 | // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]\r | |
1351 | //\r | |
1352 | Status = PciIo->Pci.Write (\r | |
ac0a286f MK |
1353 | PciIo,\r |
1354 | EfiPciIoWidthUint8,\r | |
1355 | PCI_INT_LINE_OFFSET,\r | |
1356 | 1,\r | |
1357 | &IrqLine\r | |
1358 | );\r | |
30541881 RN |
1359 | }\r |
1360 | \r | |
1361 | return Status;\r | |
1362 | }\r | |
1363 | \r | |
30541881 RN |
1364 | VOID\r |
1365 | PciAcpiInitialization (\r | |
1366 | )\r | |
1367 | {\r | |
1368 | UINTN Pmba;\r | |
1369 | \r | |
1370 | //\r | |
1371 | // Query Host Bridge DID to determine platform type\r | |
1372 | //\r | |
1373 | mHostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
1374 | switch (mHostBridgeDevId) {\r | |
1375 | case INTEL_82441_DEVICE_ID:\r | |
1376 | Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);\r | |
1377 | //\r | |
1378 | // 00:01.0 ISA Bridge (PIIX4) LNK routing targets\r | |
1379 | //\r | |
6573ae8c BH |
1380 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), PciHostIrqs[0]); // A\r |
1381 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), PciHostIrqs[1]); // B\r | |
1382 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), PciHostIrqs[2]); // C\r | |
1383 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), PciHostIrqs[3]); // D\r | |
30541881 RN |
1384 | break;\r |
1385 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1386 | Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);\r | |
1387 | //\r | |
1388 | // 00:1f.0 LPC Bridge (Q35) LNK routing targets\r | |
1389 | //\r | |
6573ae8c BH |
1390 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), PciHostIrqs[0]); // A\r |
1391 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), PciHostIrqs[1]); // B\r | |
1392 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), PciHostIrqs[2]); // C\r | |
1393 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), PciHostIrqs[3]); // D\r | |
1394 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), PciHostIrqs[0]); // E\r | |
1395 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), PciHostIrqs[1]); // F\r | |
1396 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), PciHostIrqs[2]); // G\r | |
1397 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), PciHostIrqs[3]); // H\r | |
30541881 | 1398 | break;\r |
2c467c9b | 1399 | case MICROVM_PSEUDO_DEVICE_ID:\r |
9afcd48a | 1400 | case CLOUDHV_DEVICE_ID:\r |
2c467c9b | 1401 | return;\r |
30541881 | 1402 | default:\r |
ad256f95 AP |
1403 | if (XenDetected ()) {\r |
1404 | //\r | |
1405 | // There is no PCI bus in this case.\r | |
1406 | //\r | |
1407 | return;\r | |
1408 | }\r | |
ac0a286f MK |
1409 | \r |
1410 | DEBUG ((\r | |
1411 | DEBUG_ERROR,\r | |
1412 | "%a: Unknown Host Bridge Device ID: 0x%04x\n",\r | |
1413 | __FUNCTION__,\r | |
1414 | mHostBridgeDevId\r | |
1415 | ));\r | |
30541881 RN |
1416 | ASSERT (FALSE);\r |
1417 | return;\r | |
1418 | }\r | |
1419 | \r | |
1420 | //\r | |
1421 | // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices\r | |
1422 | //\r | |
1423 | VisitAllPciInstances (SetPciIntLine);\r | |
1424 | \r | |
1425 | //\r | |
1426 | // Set ACPI SCI_EN bit in PMCNTRL\r | |
1427 | //\r | |
1428 | IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);\r | |
1429 | }\r | |
1430 | \r | |
30541881 RN |
1431 | EFI_STATUS\r |
1432 | EFIAPI\r | |
1433 | ConnectRecursivelyIfPciMassStorage (\r | |
1434 | IN EFI_HANDLE Handle,\r | |
1435 | IN EFI_PCI_IO_PROTOCOL *Instance,\r | |
1436 | IN PCI_TYPE00 *PciHeader\r | |
1437 | )\r | |
1438 | {\r | |
1439 | EFI_STATUS Status;\r | |
1440 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
1441 | CHAR16 *DevPathStr;\r | |
1442 | \r | |
da2369d2 GL |
1443 | //\r |
1444 | // Recognize PCI Mass Storage, and Xen PCI devices\r | |
1445 | //\r | |
1446 | if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ||\r | |
ac0a286f MK |
1447 | (XenDetected () && IS_CLASS2 (PciHeader, 0xFF, 0x80)))\r |
1448 | {\r | |
30541881 | 1449 | DevicePath = NULL;\r |
ac0a286f MK |
1450 | Status = gBS->HandleProtocol (\r |
1451 | Handle,\r | |
1452 | &gEfiDevicePathProtocolGuid,\r | |
1453 | (VOID *)&DevicePath\r | |
1454 | );\r | |
30541881 RN |
1455 | if (EFI_ERROR (Status)) {\r |
1456 | return Status;\r | |
1457 | }\r | |
1458 | \r | |
1459 | //\r | |
1460 | // Print Device Path\r | |
1461 | //\r | |
77f47588 | 1462 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 | 1463 | if (DevPathStr != NULL) {\r |
ac0a286f | 1464 | DEBUG ((\r |
70d5086c | 1465 | DEBUG_INFO,\r |
da2369d2 | 1466 | "Found %s device: %s\n",\r |
18064510 LE |
1467 | (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ?\r |
1468 | L"Mass Storage" :\r | |
1469 | L"Xen"\r | |
ac0a286f | 1470 | ),\r |
30541881 RN |
1471 | DevPathStr\r |
1472 | ));\r | |
ac0a286f | 1473 | FreePool (DevPathStr);\r |
30541881 RN |
1474 | }\r |
1475 | \r | |
1476 | Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
1477 | if (EFI_ERROR (Status)) {\r | |
1478 | return Status;\r | |
1479 | }\r | |
30541881 RN |
1480 | }\r |
1481 | \r | |
1482 | return EFI_SUCCESS;\r | |
1483 | }\r | |
1484 | \r | |
30541881 RN |
1485 | /**\r |
1486 | This notification function is invoked when the\r | |
1487 | EMU Variable FVB has been changed.\r | |
1488 | \r | |
8c0b0b34 TH |
1489 | @param Event The event that occurred\r |
1490 | @param Context For EFI compatibility. Not used.\r | |
30541881 RN |
1491 | \r |
1492 | **/\r | |
1493 | VOID\r | |
1494 | EFIAPI\r | |
1495 | EmuVariablesUpdatedCallback (\r | |
ac0a286f MK |
1496 | IN EFI_EVENT Event,\r |
1497 | IN VOID *Context\r | |
30541881 RN |
1498 | )\r |
1499 | {\r | |
70d5086c | 1500 | DEBUG ((DEBUG_INFO, "EmuVariablesUpdatedCallback\n"));\r |
30541881 RN |
1501 | UpdateNvVarsOnFileSystem ();\r |
1502 | }\r | |
1503 | \r | |
30541881 RN |
1504 | EFI_STATUS\r |
1505 | EFIAPI\r | |
1506 | VisitingFileSystemInstance (\r | |
1507 | IN EFI_HANDLE Handle,\r | |
1508 | IN VOID *Instance,\r | |
1509 | IN VOID *Context\r | |
1510 | )\r | |
1511 | {\r | |
1512 | EFI_STATUS Status;\r | |
1513 | STATIC BOOLEAN ConnectedToFileSystem = FALSE;\r | |
579afd6b | 1514 | RETURN_STATUS PcdStatus;\r |
30541881 RN |
1515 | \r |
1516 | if (ConnectedToFileSystem) {\r | |
1517 | return EFI_ALREADY_STARTED;\r | |
1518 | }\r | |
1519 | \r | |
1520 | Status = ConnectNvVarsToFileSystem (Handle);\r | |
1521 | if (EFI_ERROR (Status)) {\r | |
1522 | return Status;\r | |
1523 | }\r | |
1524 | \r | |
1525 | ConnectedToFileSystem = TRUE;\r | |
ac0a286f | 1526 | mEmuVariableEvent =\r |
30541881 RN |
1527 | EfiCreateProtocolNotifyEvent (\r |
1528 | &gEfiDevicePathProtocolGuid,\r | |
1529 | TPL_CALLBACK,\r | |
1530 | EmuVariablesUpdatedCallback,\r | |
1531 | NULL,\r | |
1532 | &mEmuVariableEventReg\r | |
1533 | );\r | |
ac0a286f MK |
1534 | PcdStatus = PcdSet64S (\r |
1535 | PcdEmuVariableEvent,\r | |
1536 | (UINT64)(UINTN)mEmuVariableEvent\r | |
1537 | );\r | |
579afd6b | 1538 | ASSERT_RETURN_ERROR (PcdStatus);\r |
30541881 RN |
1539 | \r |
1540 | return EFI_SUCCESS;\r | |
1541 | }\r | |
1542 | \r | |
30541881 RN |
1543 | VOID\r |
1544 | PlatformBdsRestoreNvVarsFromHardDisk (\r | |
1545 | )\r | |
1546 | {\r | |
1547 | VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);\r | |
1548 | VisitAllInstancesOfProtocol (\r | |
1549 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1550 | VisitingFileSystemInstance,\r | |
1551 | NULL\r | |
1552 | );\r | |
30541881 RN |
1553 | }\r |
1554 | \r | |
fe1b9e8e LE |
1555 | /**\r |
1556 | Connect with predefined platform connect sequence.\r | |
1557 | \r | |
1558 | The OEM/IBV can customize with their own connect sequence.\r | |
1559 | **/\r | |
30541881 RN |
1560 | VOID\r |
1561 | PlatformBdsConnectSequence (\r | |
1562 | VOID\r | |
1563 | )\r | |
30541881 | 1564 | {\r |
ac0a286f MK |
1565 | UINTN Index;\r |
1566 | RETURN_STATUS Status;\r | |
30541881 | 1567 | \r |
70d5086c | 1568 | DEBUG ((DEBUG_INFO, "PlatformBdsConnectSequence\n"));\r |
30541881 RN |
1569 | \r |
1570 | Index = 0;\r | |
1571 | \r | |
1572 | //\r | |
1573 | // Here we can get the customized platform connect sequence\r | |
1574 | // Notes: we can connect with new variable which record the\r | |
1575 | // last time boots connect device path sequence\r | |
1576 | //\r | |
1577 | while (gPlatformConnectSequence[Index] != NULL) {\r | |
1578 | //\r | |
1579 | // Build the platform boot option\r | |
1580 | //\r | |
fed691a6 | 1581 | EfiBootManagerConnectDevicePath (gPlatformConnectSequence[Index], NULL);\r |
30541881 RN |
1582 | Index++;\r |
1583 | }\r | |
1584 | \r | |
245c643c LE |
1585 | Status = ConnectDevicesFromQemu ();\r |
1586 | if (RETURN_ERROR (Status)) {\r | |
1587 | //\r | |
1588 | // Just use the simple policy to connect all devices\r | |
1589 | //\r | |
1590 | DEBUG ((DEBUG_INFO, "EfiBootManagerConnectAll\n"));\r | |
1591 | EfiBootManagerConnectAll ();\r | |
1592 | }\r | |
30541881 RN |
1593 | }\r |
1594 | \r | |
30541881 RN |
1595 | /**\r |
1596 | Save the S3 boot script.\r | |
1597 | \r | |
1598 | Note that DxeSmmReadyToLock must be signaled after this function returns;\r | |
1599 | otherwise the script wouldn't be saved actually.\r | |
1600 | **/\r | |
1601 | STATIC\r | |
1602 | VOID\r | |
1603 | SaveS3BootScript (\r | |
1604 | VOID\r | |
1605 | )\r | |
1606 | {\r | |
ac0a286f MK |
1607 | EFI_STATUS Status;\r |
1608 | EFI_S3_SAVE_STATE_PROTOCOL *BootScript;\r | |
1609 | STATIC CONST UINT8 Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };\r | |
30541881 | 1610 | \r |
ac0a286f MK |
1611 | Status = gBS->LocateProtocol (\r |
1612 | &gEfiS3SaveStateProtocolGuid,\r | |
1613 | NULL,\r | |
1614 | (VOID **)&BootScript\r | |
1615 | );\r | |
30541881 RN |
1616 | ASSERT_EFI_ERROR (Status);\r |
1617 | \r | |
1618 | //\r | |
1619 | // Despite the opcode documentation in the PI spec, the protocol\r | |
1620 | // implementation embeds a deep copy of the info in the boot script, rather\r | |
1621 | // than storing just a pointer to runtime or NVS storage.\r | |
1622 | //\r | |
ac0a286f MK |
1623 | Status = BootScript->Write (\r |
1624 | BootScript,\r | |
1625 | EFI_BOOT_SCRIPT_INFORMATION_OPCODE,\r | |
1626 | (UINT32)sizeof Info,\r | |
1627 | (EFI_PHYSICAL_ADDRESS)(UINTN)&Info\r | |
1628 | );\r | |
30541881 RN |
1629 | ASSERT_EFI_ERROR (Status);\r |
1630 | }\r | |
1631 | \r | |
fe1b9e8e LE |
1632 | /**\r |
1633 | Do the platform specific action after the console is ready\r | |
1634 | \r | |
1635 | Possible things that can be done in PlatformBootManagerAfterConsole:\r | |
1636 | \r | |
1637 | > Console post action:\r | |
1638 | > Dynamically switch output mode from 100x31 to 80x25 for certain senarino\r | |
1639 | > Signal console ready platform customized event\r | |
1640 | > Run diagnostics like memory testing\r | |
1641 | > Connect certain devices\r | |
1642 | > Dispatch aditional option roms\r | |
1643 | > Special boot: e.g.: USB boot, enter UI\r | |
1644 | **/\r | |
30541881 RN |
1645 | VOID\r |
1646 | EFIAPI\r | |
a7566234 RN |
1647 | PlatformBootManagerAfterConsole (\r |
1648 | VOID\r | |
30541881 | 1649 | )\r |
30541881 | 1650 | {\r |
ac0a286f | 1651 | EFI_BOOT_MODE BootMode;\r |
30541881 | 1652 | \r |
70d5086c | 1653 | DEBUG ((DEBUG_INFO, "PlatformBootManagerAfterConsole\n"));\r |
30541881 RN |
1654 | \r |
1655 | if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {\r | |
ac0a286f MK |
1656 | DEBUG ((\r |
1657 | DEBUG_INFO,\r | |
1658 | "PlatformBdsPolicyBehavior: not restoring NvVars "\r | |
1659 | "from disk since flash variables appear to be supported.\n"\r | |
1660 | ));\r | |
30541881 RN |
1661 | } else {\r |
1662 | //\r | |
1663 | // Try to restore variables from the hard disk early so\r | |
1664 | // they can be used for the other BDS connect operations.\r | |
1665 | //\r | |
1666 | PlatformBdsRestoreNvVarsFromHardDisk ();\r | |
1667 | }\r | |
1668 | \r | |
30541881 RN |
1669 | //\r |
1670 | // Get current Boot Mode\r | |
1671 | //\r | |
30edcbf5 | 1672 | BootMode = GetBootModeHob ();\r |
837d9eea | 1673 | DEBUG ((DEBUG_INFO, "Boot Mode:%x\n", BootMode));\r |
30541881 RN |
1674 | \r |
1675 | //\r | |
1676 | // Go the different platform policy with different boot mode\r | |
1677 | // Notes: this part code can be change with the table policy\r | |
1678 | //\r | |
1679 | ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);\r | |
30541881 RN |
1680 | \r |
1681 | //\r | |
e64a2ebe | 1682 | // Logo show\r |
30541881 | 1683 | //\r |
ab970515 | 1684 | BootLogoEnableLogo ();\r |
30541881 | 1685 | \r |
5942ea61 LE |
1686 | //\r |
1687 | // Set PCI Interrupt Line registers and ACPI SCI_EN\r | |
1688 | //\r | |
1689 | PciAcpiInitialization ();\r | |
1690 | \r | |
30541881 | 1691 | //\r |
a34a8869 | 1692 | // Process QEMU's -kernel command line option\r |
30541881 | 1693 | //\r |
a34a8869 | 1694 | TryRunningQemuKernel ();\r |
30541881 RN |
1695 | \r |
1696 | //\r | |
a34a8869 | 1697 | // Perform some platform specific connect sequence\r |
30541881 | 1698 | //\r |
a34a8869 | 1699 | PlatformBdsConnectSequence ();\r |
30541881 | 1700 | \r |
04fe914b RN |
1701 | EfiBootManagerRefreshAllBootOption ();\r |
1702 | \r | |
14b2ebc3 GL |
1703 | //\r |
1704 | // Register UEFI Shell\r | |
1705 | //\r | |
1706 | PlatformRegisterFvBootOption (\r | |
ac0a286f MK |
1707 | &gUefiShellFileGuid,\r |
1708 | L"EFI Internal Shell",\r | |
1709 | LOAD_OPTION_ACTIVE\r | |
14b2ebc3 GL |
1710 | );\r |
1711 | \r | |
2eb35898 | 1712 | RemoveStaleFvFileOptions ();\r |
2542feea | 1713 | SetBootOrderFromQemu ();\r |
a7488174 LE |
1714 | \r |
1715 | PlatformBmPrintScRegisterHandler ();\r | |
30541881 RN |
1716 | }\r |
1717 | \r | |
30541881 RN |
1718 | /**\r |
1719 | This notification function is invoked when an instance of the\r | |
1720 | EFI_DEVICE_PATH_PROTOCOL is produced.\r | |
1721 | \r | |
8c0b0b34 TH |
1722 | @param Event The event that occurred\r |
1723 | @param Context For EFI compatibility. Not used.\r | |
30541881 RN |
1724 | \r |
1725 | **/\r | |
1726 | VOID\r | |
1727 | EFIAPI\r | |
1728 | NotifyDevPath (\r | |
ac0a286f MK |
1729 | IN EFI_EVENT Event,\r |
1730 | IN VOID *Context\r | |
30541881 RN |
1731 | )\r |
1732 | {\r | |
ac0a286f MK |
1733 | EFI_HANDLE Handle;\r |
1734 | EFI_STATUS Status;\r | |
1735 | UINTN BufferSize;\r | |
1736 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1737 | ATAPI_DEVICE_PATH *Atapi;\r | |
30541881 RN |
1738 | \r |
1739 | //\r | |
1740 | // Examine all new handles\r | |
1741 | //\r | |
ac0a286f | 1742 | for ( ; ;) {\r |
30541881 RN |
1743 | //\r |
1744 | // Get the next handle\r | |
1745 | //\r | |
1746 | BufferSize = sizeof (Handle);\r | |
ac0a286f MK |
1747 | Status = gBS->LocateHandle (\r |
1748 | ByRegisterNotify,\r | |
1749 | NULL,\r | |
1750 | mEfiDevPathNotifyReg,\r | |
1751 | &BufferSize,\r | |
1752 | &Handle\r | |
1753 | );\r | |
30541881 RN |
1754 | \r |
1755 | //\r | |
1756 | // If not found, we're done\r | |
1757 | //\r | |
1758 | if (EFI_NOT_FOUND == Status) {\r | |
1759 | break;\r | |
1760 | }\r | |
1761 | \r | |
1762 | if (EFI_ERROR (Status)) {\r | |
1763 | continue;\r | |
1764 | }\r | |
1765 | \r | |
1766 | //\r | |
1767 | // Get the DevicePath protocol on that handle\r | |
1768 | //\r | |
ac0a286f MK |
1769 | Status = gBS->HandleProtocol (\r |
1770 | Handle,\r | |
1771 | &gEfiDevicePathProtocolGuid,\r | |
1772 | (VOID **)&DevPathNode\r | |
1773 | );\r | |
30541881 RN |
1774 | ASSERT_EFI_ERROR (Status);\r |
1775 | \r | |
1776 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1777 | //\r | |
1778 | // Find the handler to dump this device path node\r | |
1779 | //\r | |
1780 | if (\r | |
ac0a286f MK |
1781 | (DevicePathType (DevPathNode) == MESSAGING_DEVICE_PATH) &&\r |
1782 | (DevicePathSubType (DevPathNode) == MSG_ATAPI_DP)\r | |
1783 | )\r | |
1784 | {\r | |
1785 | Atapi = (ATAPI_DEVICE_PATH *)DevPathNode;\r | |
30541881 RN |
1786 | PciOr16 (\r |
1787 | PCI_LIB_ADDRESS (\r | |
1788 | 0,\r | |
1789 | 1,\r | |
1790 | 1,\r | |
ac0a286f | 1791 | (Atapi->PrimarySecondary == 1) ? 0x42 : 0x40\r |
30541881 RN |
1792 | ),\r |
1793 | BIT15\r | |
1794 | );\r | |
1795 | }\r | |
1796 | \r | |
1797 | //\r | |
1798 | // Next device path node\r | |
1799 | //\r | |
1800 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1801 | }\r | |
1802 | }\r | |
1803 | \r | |
1804 | return;\r | |
1805 | }\r | |
1806 | \r | |
30541881 RN |
1807 | VOID\r |
1808 | InstallDevicePathCallback (\r | |
1809 | VOID\r | |
1810 | )\r | |
1811 | {\r | |
70d5086c | 1812 | DEBUG ((DEBUG_INFO, "Registered NotifyDevPath Event\n"));\r |
30541881 | 1813 | mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (\r |
ac0a286f MK |
1814 | &gEfiDevicePathProtocolGuid,\r |
1815 | TPL_CALLBACK,\r | |
1816 | NotifyDevPath,\r | |
1817 | NULL,\r | |
1818 | &mEfiDevPathNotifyReg\r | |
1819 | );\r | |
30541881 RN |
1820 | }\r |
1821 | \r | |
a7566234 | 1822 | /**\r |
18064510 LE |
1823 | This function is called each second during the boot manager waits the\r |
1824 | timeout.\r | |
a7566234 RN |
1825 | \r |
1826 | @param TimeoutRemain The remaining timeout.\r | |
1827 | **/\r | |
1828 | VOID\r | |
1829 | EFIAPI\r | |
1830 | PlatformBootManagerWaitCallback (\r | |
ac0a286f | 1831 | UINT16 TimeoutRemain\r |
a7566234 RN |
1832 | )\r |
1833 | {\r | |
ac0a286f MK |
1834 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;\r |
1835 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;\r | |
1836 | UINT16 TimeoutInitial;\r | |
fd096a99 | 1837 | \r |
c3c90d8a PB |
1838 | TimeoutInitial = PcdGet16 (PcdPlatformBootTimeOut);\r |
1839 | \r | |
1840 | //\r | |
1841 | // If PcdPlatformBootTimeOut is set to zero, then we consider\r | |
1842 | // that no progress update should be enacted (since we'd only\r | |
1843 | // ever display a one-shot progress of either 0% or 100%).\r | |
1844 | //\r | |
1845 | if (TimeoutInitial == 0) {\r | |
1846 | return;\r | |
1847 | }\r | |
fd096a99 LE |
1848 | \r |
1849 | Black.Raw = 0x00000000;\r | |
1850 | White.Raw = 0x00FFFFFF;\r | |
1851 | \r | |
1852 | BootLogoUpdateProgress (\r | |
1853 | White.Pixel,\r | |
1854 | Black.Pixel,\r | |
1855 | L"Start boot option",\r | |
1856 | White.Pixel,\r | |
c3c90d8a | 1857 | (TimeoutInitial - TimeoutRemain) * 100 / TimeoutInitial,\r |
fd096a99 LE |
1858 | 0\r |
1859 | );\r | |
a7566234 RN |
1860 | }\r |
1861 | \r | |
5f66615b RN |
1862 | /**\r |
1863 | The function is called when no boot option could be launched,\r | |
1864 | including platform recovery options and options pointing to applications\r | |
1865 | built into firmware volumes.\r | |
1866 | \r | |
1867 | If this function returns, BDS attempts to enter an infinite loop.\r | |
1868 | **/\r | |
1869 | VOID\r | |
1870 | EFIAPI\r | |
1871 | PlatformBootManagerUnableToBoot (\r | |
1872 | VOID\r | |
1873 | )\r | |
1874 | {\r | |
ac0a286f MK |
1875 | EFI_STATUS Status;\r |
1876 | EFI_INPUT_KEY Key;\r | |
1877 | EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r | |
1878 | UINTN Index;\r | |
5f66615b RN |
1879 | \r |
1880 | //\r | |
1881 | // BootManagerMenu doesn't contain the correct information when return status\r | |
1882 | // is EFI_NOT_FOUND.\r | |
1883 | //\r | |
1884 | Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r | |
1885 | if (EFI_ERROR (Status)) {\r | |
1886 | return;\r | |
1887 | }\r | |
ac0a286f | 1888 | \r |
5f66615b RN |
1889 | //\r |
1890 | // Normally BdsDxe does not print anything to the system console, but this is\r | |
1891 | // a last resort -- the end-user will likely not see any DEBUG messages\r | |
1892 | // logged in this situation.\r | |
1893 | //\r | |
1894 | // AsciiPrint() will NULL-check gST->ConOut internally. We check gST->ConIn\r | |
1895 | // here to see if it makes sense to request and wait for a keypress.\r | |
1896 | //\r | |
1897 | if (gST->ConIn != NULL) {\r | |
1898 | AsciiPrint (\r | |
1899 | "%a: No bootable option or device was found.\n"\r | |
1900 | "%a: Press any key to enter the Boot Manager Menu.\n",\r | |
1901 | gEfiCallerBaseName,\r | |
1902 | gEfiCallerBaseName\r | |
1903 | );\r | |
1904 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r | |
1905 | ASSERT_EFI_ERROR (Status);\r | |
1906 | ASSERT (Index == 0);\r | |
1907 | \r | |
1908 | //\r | |
1909 | // Drain any queued keys.\r | |
1910 | //\r | |
1911 | while (!EFI_ERROR (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key))) {\r | |
1912 | //\r | |
1913 | // just throw away Key\r | |
1914 | //\r | |
1915 | }\r | |
1916 | }\r | |
1917 | \r | |
ac0a286f | 1918 | for ( ; ;) {\r |
5f66615b RN |
1919 | EfiBootManagerBoot (&BootManagerMenu);\r |
1920 | }\r | |
1921 | }\r |