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49ba9447 | 1 | /** @file\r |
2 | Platform BDS customizations.\r | |
3 | \r | |
ea5396f3 | 4 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r |
56d7640a | 5 | This program and the accompanying materials\r |
49ba9447 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "BdsPlatform.h"\r | |
0f6ff51d | 16 | #include <Guid/RootBridgesConnectedEventGroup.h>\r |
cca7475b | 17 | #include <Library/QemuBootOrderLib.h>\r |
49ba9447 | 18 | \r |
19 | \r | |
40f2c454 | 20 | //\r |
21 | // Global data\r | |
22 | //\r | |
23 | \r | |
24 | VOID *mEfiDevPathNotifyReg;\r | |
25 | EFI_EVENT mEfiDevPathEvent;\r | |
9607962d | 26 | VOID *mEmuVariableEventReg;\r |
27 | EFI_EVENT mEmuVariableEvent;\r | |
e955462b | 28 | BOOLEAN mDetectVgaOnly;\r |
5218c279 | 29 | UINT16 mHostBridgeDevId;\r |
e955462b | 30 | \r |
5218c279 GS |
31 | //\r |
32 | // Table of host IRQs matching PCI IRQs A-D\r | |
33 | // (for configuring PCI Interrupt Line register)\r | |
34 | //\r | |
35 | CONST UINT8 PciHostIrqs[] = {\r | |
36 | 0x0a, 0x0a, 0x0b, 0x0b\r | |
37 | };\r | |
38 | \r | |
39 | //\r | |
40 | // Array Size macro\r | |
41 | //\r | |
42 | #define ARRAY_SIZE(array) (sizeof (array) / sizeof (array[0]))\r | |
e955462b | 43 | \r |
44 | //\r | |
45 | // Type definitions\r | |
46 | //\r | |
47 | \r | |
48 | typedef\r | |
49 | EFI_STATUS\r | |
50 | (EFIAPI *PROTOCOL_INSTANCE_CALLBACK)(\r | |
51 | IN EFI_HANDLE Handle,\r | |
52 | IN VOID *Instance,\r | |
53 | IN VOID *Context\r | |
54 | );\r | |
55 | \r | |
56 | /**\r | |
57 | @param[in] Handle - Handle of PCI device instance\r | |
58 | @param[in] PciIo - PCI IO protocol instance\r | |
59 | @param[in] Pci - PCI Header register block\r | |
60 | **/\r | |
61 | typedef\r | |
62 | EFI_STATUS\r | |
63 | (EFIAPI *VISIT_PCI_INSTANCE_CALLBACK)(\r | |
64 | IN EFI_HANDLE Handle,\r | |
65 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
66 | IN PCI_TYPE00 *Pci\r | |
67 | );\r | |
40f2c454 | 68 | \r |
69 | \r | |
70 | //\r | |
71 | // Function prototypes\r | |
72 | //\r | |
73 | \r | |
e955462b | 74 | EFI_STATUS\r |
75 | VisitAllInstancesOfProtocol (\r | |
76 | IN EFI_GUID *Id,\r | |
77 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
78 | IN VOID *Context\r | |
79 | );\r | |
80 | \r | |
81 | EFI_STATUS\r | |
82 | VisitAllPciInstancesOfProtocol (\r | |
83 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r | |
84 | );\r | |
85 | \r | |
40f2c454 | 86 | VOID\r |
87 | InstallDevicePathCallback (\r | |
88 | VOID\r | |
89 | );\r | |
90 | \r | |
49ba9447 | 91 | //\r |
92 | // BDS Platform Functions\r | |
93 | //\r | |
94 | VOID\r | |
95 | EFIAPI\r | |
96 | PlatformBdsInit (\r | |
370ec7f1 | 97 | VOID\r |
49ba9447 | 98 | )\r |
99 | /*++\r | |
100 | \r | |
101 | Routine Description:\r | |
102 | \r | |
103 | Platform Bds init. Incude the platform firmware vendor, revision\r | |
104 | and so crc check.\r | |
105 | \r | |
106 | Arguments:\r | |
107 | \r | |
49ba9447 | 108 | Returns:\r |
109 | \r | |
110 | None.\r | |
111 | \r | |
112 | --*/\r | |
113 | {\r | |
114 | DEBUG ((EFI_D_INFO, "PlatformBdsInit\n"));\r | |
40f2c454 | 115 | InstallDevicePathCallback ();\r |
49ba9447 | 116 | }\r |
117 | \r | |
118 | \r | |
119 | EFI_STATUS\r | |
2c34f3bc | 120 | EFIAPI\r |
49ba9447 | 121 | ConnectRootBridge (\r |
2c34f3bc LE |
122 | IN EFI_HANDLE RootBridgeHandle,\r |
123 | IN VOID *Instance,\r | |
124 | IN VOID *Context\r | |
49ba9447 | 125 | )\r |
49ba9447 | 126 | {\r |
2c34f3bc | 127 | EFI_STATUS Status;\r |
49ba9447 | 128 | \r |
129 | //\r | |
2c34f3bc LE |
130 | // Make the PCI bus driver connect the root bridge, non-recursively. This\r |
131 | // will produce a number of child handles with PciIo on them.\r | |
49ba9447 | 132 | //\r |
2c34f3bc LE |
133 | Status = gBS->ConnectController (\r |
134 | RootBridgeHandle, // ControllerHandle\r | |
135 | NULL, // DriverImageHandle\r | |
136 | NULL, // RemainingDevicePath -- produce all\r | |
137 | // children\r | |
138 | FALSE // Recursive\r | |
49ba9447 | 139 | );\r |
2c34f3bc | 140 | return Status;\r |
49ba9447 | 141 | }\r |
142 | \r | |
143 | \r | |
144 | EFI_STATUS\r | |
145 | PrepareLpcBridgeDevicePath (\r | |
146 | IN EFI_HANDLE DeviceHandle\r | |
147 | )\r | |
148 | /*++\r | |
149 | \r | |
150 | Routine Description:\r | |
151 | \r | |
152 | Add IsaKeyboard to ConIn,\r | |
153 | add IsaSerial to ConOut, ConIn, ErrOut.\r | |
154 | LPC Bridge: 06 01 00\r | |
155 | \r | |
156 | Arguments:\r | |
157 | \r | |
158 | DeviceHandle - Handle of PCIIO protocol.\r | |
159 | \r | |
160 | Returns:\r | |
161 | \r | |
162 | EFI_SUCCESS - LPC bridge is added to ConOut, ConIn, and ErrOut.\r | |
163 | EFI_STATUS - No LPC bridge is added.\r | |
164 | \r | |
165 | --*/\r | |
166 | {\r | |
167 | EFI_STATUS Status;\r | |
168 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
169 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
170 | CHAR16 *DevPathStr;\r | |
171 | \r | |
172 | DevicePath = NULL;\r | |
173 | Status = gBS->HandleProtocol (\r | |
174 | DeviceHandle,\r | |
175 | &gEfiDevicePathProtocolGuid,\r | |
176 | (VOID*)&DevicePath\r | |
177 | );\r | |
178 | if (EFI_ERROR (Status)) {\r | |
179 | return Status;\r | |
180 | }\r | |
181 | TempDevicePath = DevicePath;\r | |
182 | \r | |
183 | //\r | |
184 | // Register Keyboard\r | |
185 | //\r | |
186 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode);\r | |
187 | \r | |
188 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
189 | \r | |
190 | //\r | |
191 | // Register COM1\r | |
192 | //\r | |
193 | DevicePath = TempDevicePath;\r | |
194 | gPnp16550ComPortDeviceNode.UID = 0;\r | |
195 | \r | |
196 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
197 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
198 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
199 | \r | |
200 | //\r | |
201 | // Print Device Path\r | |
202 | //\r | |
203 | DevPathStr = DevicePathToStr(DevicePath);\r | |
863986b3 RN |
204 | if (DevPathStr != NULL) {\r |
205 | DEBUG((\r | |
206 | EFI_D_INFO,\r | |
207 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r | |
208 | __LINE__,\r | |
209 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
210 | DevPathStr\r | |
211 | ));\r | |
212 | FreePool(DevPathStr);\r | |
213 | }\r | |
49ba9447 | 214 | \r |
215 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
216 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
217 | BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);\r | |
218 | \r | |
219 | //\r | |
220 | // Register COM2\r | |
221 | //\r | |
222 | DevicePath = TempDevicePath;\r | |
223 | gPnp16550ComPortDeviceNode.UID = 1;\r | |
224 | \r | |
225 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
226 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
227 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
228 | \r | |
229 | //\r | |
230 | // Print Device Path\r | |
231 | //\r | |
232 | DevPathStr = DevicePathToStr(DevicePath);\r | |
863986b3 RN |
233 | if (DevPathStr != NULL) {\r |
234 | DEBUG((\r | |
235 | EFI_D_INFO,\r | |
236 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r | |
237 | __LINE__,\r | |
238 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
239 | DevPathStr\r | |
240 | ));\r | |
241 | FreePool(DevPathStr);\r | |
242 | }\r | |
49ba9447 | 243 | \r |
244 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
245 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
246 | BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);\r | |
247 | \r | |
248 | return EFI_SUCCESS;\r | |
249 | }\r | |
250 | \r | |
251 | EFI_STATUS\r | |
252 | GetGopDevicePath (\r | |
253 | IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,\r | |
254 | OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath\r | |
255 | )\r | |
256 | {\r | |
257 | UINTN Index;\r | |
258 | EFI_STATUS Status;\r | |
259 | EFI_HANDLE PciDeviceHandle;\r | |
260 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
261 | EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;\r | |
262 | UINTN GopHandleCount;\r | |
263 | EFI_HANDLE *GopHandleBuffer;\r | |
264 | \r | |
265 | if (PciDevicePath == NULL || GopDevicePath == NULL) {\r | |
266 | return EFI_INVALID_PARAMETER;\r | |
267 | }\r | |
268 | \r | |
269 | //\r | |
270 | // Initialize the GopDevicePath to be PciDevicePath\r | |
271 | //\r | |
272 | *GopDevicePath = PciDevicePath;\r | |
273 | TempPciDevicePath = PciDevicePath;\r | |
274 | \r | |
275 | Status = gBS->LocateDevicePath (\r | |
276 | &gEfiDevicePathProtocolGuid,\r | |
277 | &TempPciDevicePath,\r | |
278 | &PciDeviceHandle\r | |
279 | );\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | return Status;\r | |
282 | }\r | |
283 | \r | |
284 | //\r | |
285 | // Try to connect this handle, so that GOP dirver could start on this\r | |
286 | // device and create child handles with GraphicsOutput Protocol installed\r | |
287 | // on them, then we get device paths of these child handles and select\r | |
288 | // them as possible console device.\r | |
289 | //\r | |
290 | gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);\r | |
291 | \r | |
292 | Status = gBS->LocateHandleBuffer (\r | |
293 | ByProtocol,\r | |
294 | &gEfiGraphicsOutputProtocolGuid,\r | |
295 | NULL,\r | |
296 | &GopHandleCount,\r | |
297 | &GopHandleBuffer\r | |
298 | );\r | |
299 | if (!EFI_ERROR (Status)) {\r | |
300 | //\r | |
301 | // Add all the child handles as possible Console Device\r | |
302 | //\r | |
303 | for (Index = 0; Index < GopHandleCount; Index++) {\r | |
304 | Status = gBS->HandleProtocol (GopHandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID*)&TempDevicePath);\r | |
305 | if (EFI_ERROR (Status)) {\r | |
306 | continue;\r | |
307 | }\r | |
308 | if (CompareMem (\r | |
309 | PciDevicePath,\r | |
310 | TempDevicePath,\r | |
311 | GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH\r | |
312 | ) == 0) {\r | |
313 | //\r | |
314 | // In current implementation, we only enable one of the child handles\r | |
315 | // as console device, i.e. sotre one of the child handle's device\r | |
316 | // path to variable "ConOut"\r | |
317 | // In futhure, we could select all child handles to be console device\r | |
318 | //\r | |
319 | \r | |
320 | *GopDevicePath = TempDevicePath;\r | |
321 | \r | |
322 | //\r | |
323 | // Delete the PCI device's path that added by GetPlugInPciVgaDevicePath()\r | |
324 | // Add the integrity GOP device path.\r | |
325 | //\r | |
326 | BdsLibUpdateConsoleVariable (VarConsoleOutDev, NULL, PciDevicePath);\r | |
327 | BdsLibUpdateConsoleVariable (VarConsoleOutDev, TempDevicePath, NULL);\r | |
328 | }\r | |
329 | }\r | |
330 | gBS->FreePool (GopHandleBuffer);\r | |
331 | }\r | |
332 | \r | |
333 | return EFI_SUCCESS;\r | |
334 | }\r | |
335 | \r | |
336 | EFI_STATUS\r | |
337 | PreparePciVgaDevicePath (\r | |
338 | IN EFI_HANDLE DeviceHandle\r | |
339 | )\r | |
340 | /*++\r | |
341 | \r | |
342 | Routine Description:\r | |
343 | \r | |
344 | Add PCI VGA to ConOut.\r | |
345 | PCI VGA: 03 00 00\r | |
346 | \r | |
347 | Arguments:\r | |
348 | \r | |
349 | DeviceHandle - Handle of PCIIO protocol.\r | |
350 | \r | |
351 | Returns:\r | |
352 | \r | |
353 | EFI_SUCCESS - PCI VGA is added to ConOut.\r | |
354 | EFI_STATUS - No PCI VGA device is added.\r | |
355 | \r | |
356 | --*/\r | |
357 | {\r | |
358 | EFI_STATUS Status;\r | |
359 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
360 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;\r | |
361 | \r | |
ea5396f3 RN |
362 | DevicePath = NULL;\r |
363 | GopDevicePath = NULL;\r | |
49ba9447 | 364 | Status = gBS->HandleProtocol (\r |
365 | DeviceHandle,\r | |
366 | &gEfiDevicePathProtocolGuid,\r | |
367 | (VOID*)&DevicePath\r | |
368 | );\r | |
369 | if (EFI_ERROR (Status)) {\r | |
370 | return Status;\r | |
371 | }\r | |
372 | \r | |
373 | GetGopDevicePath (DevicePath, &GopDevicePath);\r | |
374 | DevicePath = GopDevicePath;\r | |
375 | \r | |
376 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
377 | \r | |
378 | return EFI_SUCCESS;\r | |
379 | }\r | |
380 | \r | |
381 | EFI_STATUS\r | |
382 | PreparePciSerialDevicePath (\r | |
383 | IN EFI_HANDLE DeviceHandle\r | |
384 | )\r | |
385 | /*++\r | |
386 | \r | |
387 | Routine Description:\r | |
388 | \r | |
389 | Add PCI Serial to ConOut, ConIn, ErrOut.\r | |
390 | PCI Serial: 07 00 02\r | |
391 | \r | |
392 | Arguments:\r | |
393 | \r | |
394 | DeviceHandle - Handle of PCIIO protocol.\r | |
395 | \r | |
396 | Returns:\r | |
397 | \r | |
398 | EFI_SUCCESS - PCI Serial is added to ConOut, ConIn, and ErrOut.\r | |
399 | EFI_STATUS - No PCI Serial device is added.\r | |
400 | \r | |
401 | --*/\r | |
402 | {\r | |
403 | EFI_STATUS Status;\r | |
404 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
405 | \r | |
406 | DevicePath = NULL;\r | |
407 | Status = gBS->HandleProtocol (\r | |
408 | DeviceHandle,\r | |
409 | &gEfiDevicePathProtocolGuid,\r | |
410 | (VOID*)&DevicePath\r | |
411 | );\r | |
412 | if (EFI_ERROR (Status)) {\r | |
413 | return Status;\r | |
414 | }\r | |
415 | \r | |
416 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
417 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
418 | \r | |
419 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
420 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
421 | BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);\r | |
422 | \r | |
423 | return EFI_SUCCESS;\r | |
424 | }\r | |
425 | \r | |
426 | EFI_STATUS\r | |
e955462b | 427 | VisitAllInstancesOfProtocol (\r |
428 | IN EFI_GUID *Id,\r | |
429 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
430 | IN VOID *Context\r | |
49ba9447 | 431 | )\r |
49ba9447 | 432 | {\r |
433 | EFI_STATUS Status;\r | |
434 | UINTN HandleCount;\r | |
435 | EFI_HANDLE *HandleBuffer;\r | |
436 | UINTN Index;\r | |
e955462b | 437 | VOID *Instance;\r |
49ba9447 | 438 | \r |
439 | //\r | |
440 | // Start to check all the PciIo to find all possible device\r | |
441 | //\r | |
442 | HandleCount = 0;\r | |
443 | HandleBuffer = NULL;\r | |
444 | Status = gBS->LocateHandleBuffer (\r | |
445 | ByProtocol,\r | |
e955462b | 446 | Id,\r |
49ba9447 | 447 | NULL,\r |
448 | &HandleCount,\r | |
449 | &HandleBuffer\r | |
450 | );\r | |
451 | if (EFI_ERROR (Status)) {\r | |
452 | return Status;\r | |
453 | }\r | |
454 | \r | |
455 | for (Index = 0; Index < HandleCount; Index++) {\r | |
e955462b | 456 | Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);\r |
49ba9447 | 457 | if (EFI_ERROR (Status)) {\r |
458 | continue;\r | |
459 | }\r | |
460 | \r | |
e955462b | 461 | Status = (*CallBackFunction) (\r |
462 | HandleBuffer[Index],\r | |
463 | Instance,\r | |
464 | Context\r | |
465 | );\r | |
466 | }\r | |
49ba9447 | 467 | \r |
e955462b | 468 | gBS->FreePool (HandleBuffer);\r |
607ca510 | 469 | \r |
e955462b | 470 | return EFI_SUCCESS;\r |
471 | }\r | |
472 | \r | |
473 | \r | |
474 | EFI_STATUS\r | |
475 | EFIAPI\r | |
476 | VisitingAPciInstance (\r | |
477 | IN EFI_HANDLE Handle,\r | |
478 | IN VOID *Instance,\r | |
479 | IN VOID *Context\r | |
480 | )\r | |
481 | {\r | |
482 | EFI_STATUS Status;\r | |
483 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
484 | PCI_TYPE00 Pci;\r | |
485 | \r | |
486 | PciIo = (EFI_PCI_IO_PROTOCOL*) Instance;\r | |
487 | \r | |
488 | //\r | |
489 | // Check for all PCI device\r | |
490 | //\r | |
491 | Status = PciIo->Pci.Read (\r | |
492 | PciIo,\r | |
493 | EfiPciIoWidthUint32,\r | |
494 | 0,\r | |
495 | sizeof (Pci) / sizeof (UINT32),\r | |
496 | &Pci\r | |
497 | );\r | |
498 | if (EFI_ERROR (Status)) {\r | |
499 | return Status;\r | |
500 | }\r | |
501 | \r | |
7d9cf3f2 | 502 | return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN) Context) (\r |
e955462b | 503 | Handle,\r |
504 | PciIo,\r | |
505 | &Pci\r | |
506 | );\r | |
507 | \r | |
508 | }\r | |
509 | \r | |
510 | \r | |
511 | \r | |
512 | EFI_STATUS\r | |
513 | VisitAllPciInstances (\r | |
514 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r | |
515 | )\r | |
516 | {\r | |
517 | return VisitAllInstancesOfProtocol (\r | |
518 | &gEfiPciIoProtocolGuid,\r | |
519 | VisitingAPciInstance,\r | |
7d9cf3f2 | 520 | (VOID*)(UINTN) CallBackFunction\r |
e955462b | 521 | );\r |
522 | }\r | |
523 | \r | |
524 | \r | |
525 | /**\r | |
526 | Do platform specific PCI Device check and add them to\r | |
527 | ConOut, ConIn, ErrOut.\r | |
528 | \r | |
529 | @param[in] Handle - Handle of PCI device instance\r | |
530 | @param[in] PciIo - PCI IO protocol instance\r | |
531 | @param[in] Pci - PCI Header register block\r | |
532 | \r | |
533 | @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.\r | |
534 | @retval EFI_STATUS - PCI Device check or Console variable update fail.\r | |
535 | \r | |
536 | **/\r | |
537 | EFI_STATUS\r | |
8861fc79 | 538 | EFIAPI\r |
e955462b | 539 | DetectAndPreparePlatformPciDevicePath (\r |
540 | IN EFI_HANDLE Handle,\r | |
541 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
542 | IN PCI_TYPE00 *Pci\r | |
543 | )\r | |
544 | {\r | |
545 | EFI_STATUS Status;\r | |
546 | \r | |
547 | Status = PciIo->Attributes (\r | |
548 | PciIo,\r | |
549 | EfiPciIoAttributeOperationEnable,\r | |
550 | EFI_PCI_DEVICE_ENABLE,\r | |
551 | NULL\r | |
552 | );\r | |
553 | ASSERT_EFI_ERROR (Status);\r | |
554 | \r | |
555 | if (!mDetectVgaOnly) {\r | |
556 | //\r | |
557 | // Here we decide whether it is LPC Bridge\r | |
558 | //\r | |
559 | if ((IS_PCI_LPC (Pci)) ||\r | |
560 | ((IS_PCI_ISA_PDECODE (Pci)) &&\r | |
561 | (Pci->Hdr.VendorId == 0x8086) &&\r | |
562 | (Pci->Hdr.DeviceId == 0x7000)\r | |
563 | )\r | |
564 | ) {\r | |
49ba9447 | 565 | //\r |
e955462b | 566 | // Add IsaKeyboard to ConIn,\r |
567 | // add IsaSerial to ConOut, ConIn, ErrOut\r | |
49ba9447 | 568 | //\r |
e955462b | 569 | DEBUG ((EFI_D_INFO, "Found LPC Bridge device\n"));\r |
570 | PrepareLpcBridgeDevicePath (Handle);\r | |
571 | return EFI_SUCCESS;\r | |
49ba9447 | 572 | }\r |
49ba9447 | 573 | //\r |
e955462b | 574 | // Here we decide which Serial device to enable in PCI bus\r |
49ba9447 | 575 | //\r |
e955462b | 576 | if (IS_PCI_16550SERIAL (Pci)) {\r |
49ba9447 | 577 | //\r |
e955462b | 578 | // Add them to ConOut, ConIn, ErrOut.\r |
49ba9447 | 579 | //\r |
e955462b | 580 | DEBUG ((EFI_D_INFO, "Found PCI 16550 SERIAL device\n"));\r |
581 | PreparePciSerialDevicePath (Handle);\r | |
582 | return EFI_SUCCESS;\r | |
49ba9447 | 583 | }\r |
584 | }\r | |
585 | \r | |
e955462b | 586 | //\r |
587 | // Here we decide which VGA device to enable in PCI bus\r | |
588 | //\r | |
589 | if (IS_PCI_VGA (Pci)) {\r | |
590 | //\r | |
591 | // Add them to ConOut.\r | |
592 | //\r | |
593 | DEBUG ((EFI_D_INFO, "Found PCI VGA device\n"));\r | |
594 | PreparePciVgaDevicePath (Handle);\r | |
595 | return EFI_SUCCESS;\r | |
596 | }\r | |
49ba9447 | 597 | \r |
e955462b | 598 | return Status;\r |
599 | }\r | |
600 | \r | |
601 | \r | |
602 | /**\r | |
603 | Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut\r | |
604 | \r | |
605 | @param[in] DetectVgaOnly - Only detect VGA device if it's TRUE.\r | |
606 | \r | |
607 | @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.\r | |
608 | @retval EFI_STATUS - PCI Device check or Console variable update fail.\r | |
609 | \r | |
610 | **/\r | |
611 | EFI_STATUS\r | |
612 | DetectAndPreparePlatformPciDevicePaths (\r | |
613 | BOOLEAN DetectVgaOnly\r | |
614 | )\r | |
615 | {\r | |
616 | mDetectVgaOnly = DetectVgaOnly;\r | |
617 | return VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);\r | |
49ba9447 | 618 | }\r |
619 | \r | |
620 | \r | |
621 | EFI_STATUS\r | |
622 | PlatformBdsConnectConsole (\r | |
623 | IN BDS_CONSOLE_CONNECT_ENTRY *PlatformConsole\r | |
624 | )\r | |
625 | /*++\r | |
626 | \r | |
627 | Routine Description:\r | |
628 | \r | |
629 | Connect the predefined platform default console device. Always try to find\r | |
630 | and enable the vga device if have.\r | |
631 | \r | |
632 | Arguments:\r | |
633 | \r | |
634 | PlatformConsole - Predfined platform default console device array.\r | |
635 | \r | |
636 | Returns:\r | |
637 | \r | |
638 | EFI_SUCCESS - Success connect at least one ConIn and ConOut\r | |
639 | device, there must have one ConOut device is\r | |
640 | active vga device.\r | |
641 | \r | |
642 | EFI_STATUS - Return the status of\r | |
643 | BdsLibConnectAllDefaultConsoles ()\r | |
644 | \r | |
645 | --*/\r | |
646 | {\r | |
647 | EFI_STATUS Status;\r | |
648 | UINTN Index;\r | |
649 | EFI_DEVICE_PATH_PROTOCOL *VarConout;\r | |
650 | EFI_DEVICE_PATH_PROTOCOL *VarConin;\r | |
651 | UINTN DevicePathSize;\r | |
652 | \r | |
653 | //\r | |
654 | // Connect RootBridge\r | |
655 | //\r | |
49ba9447 | 656 | VarConout = BdsLibGetVariableAndSize (\r |
657 | VarConsoleOut,\r | |
658 | &gEfiGlobalVariableGuid,\r | |
659 | &DevicePathSize\r | |
660 | );\r | |
661 | VarConin = BdsLibGetVariableAndSize (\r | |
662 | VarConsoleInp,\r | |
663 | &gEfiGlobalVariableGuid,\r | |
664 | &DevicePathSize\r | |
665 | );\r | |
666 | \r | |
667 | if (VarConout == NULL || VarConin == NULL) {\r | |
668 | //\r | |
669 | // Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut\r | |
670 | //\r | |
e955462b | 671 | DetectAndPreparePlatformPciDevicePaths (FALSE);\r |
49ba9447 | 672 | \r |
673 | //\r | |
674 | // Have chance to connect the platform default console,\r | |
675 | // the platform default console is the minimue device group\r | |
676 | // the platform should support\r | |
677 | //\r | |
678 | for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {\r | |
679 | //\r | |
680 | // Update the console variable with the connect type\r | |
681 | //\r | |
682 | if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {\r | |
683 | BdsLibUpdateConsoleVariable (VarConsoleInp, PlatformConsole[Index].DevicePath, NULL);\r | |
684 | }\r | |
685 | if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {\r | |
686 | BdsLibUpdateConsoleVariable (VarConsoleOut, PlatformConsole[Index].DevicePath, NULL);\r | |
687 | }\r | |
688 | if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {\r | |
689 | BdsLibUpdateConsoleVariable (VarErrorOut, PlatformConsole[Index].DevicePath, NULL);\r | |
690 | }\r | |
691 | }\r | |
692 | } else {\r | |
693 | //\r | |
694 | // Only detect VGA device and add them to ConOut\r | |
695 | //\r | |
e955462b | 696 | DetectAndPreparePlatformPciDevicePaths (TRUE);\r |
49ba9447 | 697 | }\r |
698 | \r | |
699 | //\r | |
700 | // Connect the all the default console with current cosole variable\r | |
701 | //\r | |
702 | Status = BdsLibConnectAllDefaultConsoles ();\r | |
703 | if (EFI_ERROR (Status)) {\r | |
704 | return Status;\r | |
705 | }\r | |
706 | \r | |
707 | return EFI_SUCCESS;\r | |
708 | }\r | |
709 | \r | |
710 | \r | |
5218c279 GS |
711 | /**\r |
712 | Configure PCI Interrupt Line register for applicable devices\r | |
713 | Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()\r | |
714 | \r | |
715 | @param[in] Handle - Handle of PCI device instance\r | |
716 | @param[in] PciIo - PCI IO protocol instance\r | |
717 | @param[in] PciHdr - PCI Header register block\r | |
718 | \r | |
719 | @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.\r | |
720 | \r | |
721 | **/\r | |
722 | EFI_STATUS\r | |
723 | EFIAPI\r | |
724 | SetPciIntLine (\r | |
725 | IN EFI_HANDLE Handle,\r | |
726 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
727 | IN PCI_TYPE00 *PciHdr\r | |
728 | )\r | |
729 | {\r | |
730 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
fcd1e5de | 731 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r |
5218c279 GS |
732 | UINTN RootSlot;\r |
733 | UINTN Idx;\r | |
734 | UINT8 IrqLine;\r | |
735 | EFI_STATUS Status;\r | |
7730ad6e | 736 | UINT32 RootBusNumber;\r |
5218c279 GS |
737 | \r |
738 | Status = EFI_SUCCESS;\r | |
739 | \r | |
740 | if (PciHdr->Device.InterruptPin != 0) {\r | |
741 | \r | |
742 | DevPathNode = DevicePathFromHandle (Handle);\r | |
743 | ASSERT (DevPathNode != NULL);\r | |
fcd1e5de | 744 | DevPath = DevPathNode;\r |
5218c279 | 745 | \r |
7730ad6e LE |
746 | RootBusNumber = 0;\r |
747 | if (DevicePathType (DevPathNode) == ACPI_DEVICE_PATH &&\r | |
748 | DevicePathSubType (DevPathNode) == ACPI_DP &&\r | |
749 | ((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID(0x0A03)) {\r | |
750 | RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;\r | |
751 | }\r | |
752 | \r | |
5218c279 GS |
753 | //\r |
754 | // Compute index into PciHostIrqs[] table by walking\r | |
755 | // the device path and adding up all device numbers\r | |
756 | //\r | |
757 | Status = EFI_NOT_FOUND;\r | |
758 | RootSlot = 0;\r | |
759 | Idx = PciHdr->Device.InterruptPin - 1;\r | |
760 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
761 | if (DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH &&\r | |
762 | DevicePathSubType (DevPathNode) == HW_PCI_DP) {\r | |
763 | \r | |
764 | Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r | |
765 | \r | |
766 | //\r | |
767 | // Unlike SeaBIOS, which starts climbing from the leaf device\r | |
768 | // up toward the root, we traverse the device path starting at\r | |
769 | // the root moving toward the leaf node.\r | |
770 | // The slot number of the top-level parent bridge is needed for\r | |
771 | // Q35 cases with more than 24 slots on the root bus.\r | |
772 | //\r | |
773 | if (Status != EFI_SUCCESS) {\r | |
774 | Status = EFI_SUCCESS;\r | |
775 | RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r | |
776 | }\r | |
777 | }\r | |
778 | \r | |
779 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
780 | }\r | |
781 | if (EFI_ERROR (Status)) {\r | |
782 | return Status;\r | |
783 | }\r | |
7730ad6e | 784 | if (RootBusNumber == 0 && RootSlot == 0) {\r |
5218c279 GS |
785 | DEBUG((\r |
786 | EFI_D_ERROR,\r | |
787 | "%a: PCI host bridge (00:00.0) should have no interrupts!\n",\r | |
788 | __FUNCTION__\r | |
789 | ));\r | |
790 | ASSERT (FALSE);\r | |
791 | }\r | |
792 | \r | |
793 | //\r | |
794 | // Final PciHostIrqs[] index calculation depends on the platform\r | |
795 | // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()\r | |
796 | //\r | |
797 | switch (mHostBridgeDevId) {\r | |
798 | case INTEL_82441_DEVICE_ID:\r | |
799 | Idx -= 1;\r | |
800 | break;\r | |
801 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
802 | //\r | |
803 | // SeaBIOS contains the following comment:\r | |
804 | // "Slots 0-24 rotate slot:pin mapping similar to piix above, but\r | |
805 | // with a different starting index - see q35-acpi-dsdt.dsl.\r | |
806 | //\r | |
807 | // Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"\r | |
808 | //\r | |
809 | if (RootSlot > 24) {\r | |
810 | //\r | |
811 | // in this case, subtract back out RootSlot from Idx\r | |
812 | // (SeaBIOS never adds it to begin with, but that would make our\r | |
813 | // device path traversal loop above too awkward)\r | |
814 | //\r | |
815 | Idx -= RootSlot;\r | |
816 | }\r | |
817 | break;\r | |
818 | default:\r | |
819 | ASSERT (FALSE); // should never get here\r | |
820 | }\r | |
821 | Idx %= ARRAY_SIZE (PciHostIrqs);\r | |
822 | IrqLine = PciHostIrqs[Idx];\r | |
823 | \r | |
fcd1e5de LE |
824 | DEBUG_CODE_BEGIN ();\r |
825 | {\r | |
826 | CHAR16 *DevPathString;\r | |
827 | STATIC CHAR16 Fallback[] = L"<failed to convert>";\r | |
828 | UINTN Segment, Bus, Device, Function;\r | |
829 | \r | |
830 | DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);\r | |
831 | if (DevPathString == NULL) {\r | |
832 | DevPathString = Fallback;\r | |
833 | }\r | |
834 | Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);\r | |
835 | ASSERT_EFI_ERROR (Status);\r | |
836 | \r | |
837 | DEBUG ((EFI_D_VERBOSE, "%a: [%02x:%02x.%x] %s -> 0x%02x\n", __FUNCTION__,\r | |
838 | (UINT32)Bus, (UINT32)Device, (UINT32)Function, DevPathString,\r | |
839 | IrqLine));\r | |
840 | \r | |
841 | if (DevPathString != Fallback) {\r | |
842 | FreePool (DevPathString);\r | |
843 | }\r | |
844 | }\r | |
845 | DEBUG_CODE_END ();\r | |
846 | \r | |
5218c279 GS |
847 | //\r |
848 | // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]\r | |
849 | //\r | |
850 | Status = PciIo->Pci.Write (\r | |
851 | PciIo,\r | |
852 | EfiPciIoWidthUint8,\r | |
853 | PCI_INT_LINE_OFFSET,\r | |
854 | 1,\r | |
855 | &IrqLine\r | |
856 | );\r | |
857 | }\r | |
858 | \r | |
859 | return Status;\r | |
860 | }\r | |
861 | \r | |
862 | \r | |
49ba9447 | 863 | VOID\r |
2e70cf8a | 864 | PciAcpiInitialization (\r |
49ba9447 | 865 | )\r |
866 | {\r | |
2e70cf8a | 867 | UINTN Pmba;\r |
49ba9447 | 868 | \r |
869 | //\r | |
2e70cf8a | 870 | // Query Host Bridge DID to determine platform type\r |
49ba9447 | 871 | //\r |
5218c279 GS |
872 | mHostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r |
873 | switch (mHostBridgeDevId) {\r | |
2e70cf8a | 874 | case INTEL_82441_DEVICE_ID:\r |
da372167 | 875 | Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);\r |
2e70cf8a GS |
876 | //\r |
877 | // 00:01.0 ISA Bridge (PIIX4) LNK routing targets\r | |
878 | //\r | |
879 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b); // A\r | |
880 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x0b); // B\r | |
881 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0a); // C\r | |
882 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // D\r | |
883 | break;\r | |
884 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
bc9d05d6 | 885 | Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);\r |
2e70cf8a GS |
886 | //\r |
887 | // 00:1f.0 LPC Bridge (Q35) LNK routing targets\r | |
888 | //\r | |
889 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), 0x0a); // A\r | |
890 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), 0x0a); // B\r | |
891 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), 0x0b); // C\r | |
892 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), 0x0b); // D\r | |
893 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), 0x0a); // E\r | |
894 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), 0x0a); // F\r | |
895 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), 0x0b); // G\r | |
896 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), 0x0b); // H\r | |
897 | break;\r | |
898 | default:\r | |
899 | DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",\r | |
5218c279 | 900 | __FUNCTION__, mHostBridgeDevId));\r |
2e70cf8a GS |
901 | ASSERT (FALSE);\r |
902 | return;\r | |
903 | }\r | |
49ba9447 | 904 | \r |
9b167857 | 905 | //\r |
5218c279 | 906 | // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices\r |
9b167857 | 907 | //\r |
5218c279 | 908 | VisitAllPciInstances (SetPciIntLine);\r |
2e70cf8a GS |
909 | \r |
910 | //\r | |
5218c279 | 911 | // Set ACPI SCI_EN bit in PMCNTRL\r |
2e70cf8a | 912 | //\r |
5218c279 | 913 | IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);\r |
9b167857 | 914 | }\r |
915 | \r | |
916 | \r | |
14b21de9 | 917 | EFI_STATUS\r |
918 | EFIAPI\r | |
919 | ConnectRecursivelyIfPciMassStorage (\r | |
920 | IN EFI_HANDLE Handle,\r | |
921 | IN EFI_PCI_IO_PROTOCOL *Instance,\r | |
922 | IN PCI_TYPE00 *PciHeader\r | |
923 | )\r | |
924 | {\r | |
925 | EFI_STATUS Status;\r | |
926 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
927 | CHAR16 *DevPathStr;\r | |
928 | \r | |
929 | if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE)) {\r | |
930 | DevicePath = NULL;\r | |
931 | Status = gBS->HandleProtocol (\r | |
932 | Handle,\r | |
933 | &gEfiDevicePathProtocolGuid,\r | |
934 | (VOID*)&DevicePath\r | |
935 | );\r | |
936 | if (EFI_ERROR (Status)) {\r | |
937 | return Status;\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // Print Device Path\r | |
942 | //\r | |
943 | DevPathStr = DevicePathToStr (DevicePath);\r | |
863986b3 RN |
944 | if (DevPathStr != NULL) {\r |
945 | DEBUG((\r | |
946 | EFI_D_INFO,\r | |
947 | "Found Mass Storage device: %s\n",\r | |
948 | DevPathStr\r | |
949 | ));\r | |
950 | FreePool(DevPathStr);\r | |
951 | }\r | |
14b21de9 | 952 | \r |
953 | Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
954 | if (EFI_ERROR (Status)) {\r | |
955 | return Status;\r | |
956 | }\r | |
957 | \r | |
958 | }\r | |
959 | \r | |
960 | return EFI_SUCCESS;\r | |
961 | }\r | |
962 | \r | |
963 | \r | |
9607962d | 964 | /**\r |
965 | This notification function is invoked when the\r | |
966 | EMU Variable FVB has been changed.\r | |
967 | \r | |
968 | @param Event The event that occured\r | |
969 | @param Context For EFI compatiblity. Not used.\r | |
970 | \r | |
971 | **/\r | |
972 | VOID\r | |
973 | EFIAPI\r | |
974 | EmuVariablesUpdatedCallback (\r | |
975 | IN EFI_EVENT Event,\r | |
976 | IN VOID *Context\r | |
977 | )\r | |
978 | {\r | |
979 | DEBUG ((EFI_D_INFO, "EmuVariablesUpdatedCallback\n"));\r | |
980 | UpdateNvVarsOnFileSystem ();\r | |
981 | }\r | |
982 | \r | |
983 | \r | |
14b21de9 | 984 | EFI_STATUS\r |
985 | EFIAPI\r | |
986 | VisitingFileSystemInstance (\r | |
987 | IN EFI_HANDLE Handle,\r | |
988 | IN VOID *Instance,\r | |
989 | IN VOID *Context\r | |
990 | )\r | |
991 | {\r | |
992 | EFI_STATUS Status;\r | |
993 | STATIC BOOLEAN ConnectedToFileSystem = FALSE;\r | |
994 | \r | |
995 | if (ConnectedToFileSystem) {\r | |
996 | return EFI_ALREADY_STARTED;\r | |
997 | }\r | |
998 | \r | |
999 | Status = ConnectNvVarsToFileSystem (Handle);\r | |
1000 | if (EFI_ERROR (Status)) {\r | |
1001 | return Status;\r | |
1002 | }\r | |
1003 | \r | |
1004 | ConnectedToFileSystem = TRUE;\r | |
9607962d | 1005 | mEmuVariableEvent =\r |
1006 | EfiCreateProtocolNotifyEvent (\r | |
1007 | &gEfiDevicePathProtocolGuid,\r | |
1008 | TPL_CALLBACK,\r | |
1009 | EmuVariablesUpdatedCallback,\r | |
1010 | NULL,\r | |
1011 | &mEmuVariableEventReg\r | |
1012 | );\r | |
1013 | PcdSet64 (PcdEmuVariableEvent, (UINT64)(UINTN) mEmuVariableEvent);\r | |
1014 | \r | |
14b21de9 | 1015 | return EFI_SUCCESS;\r |
1016 | }\r | |
1017 | \r | |
1018 | \r | |
1019 | VOID\r | |
1020 | PlatformBdsRestoreNvVarsFromHardDisk (\r | |
1021 | )\r | |
1022 | {\r | |
1023 | VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);\r | |
1024 | VisitAllInstancesOfProtocol (\r | |
1025 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1026 | VisitingFileSystemInstance,\r | |
1027 | NULL\r | |
1028 | );\r | |
3d131d1a | 1029 | \r |
14b21de9 | 1030 | }\r |
1031 | \r | |
1032 | \r | |
49ba9447 | 1033 | VOID\r |
1034 | PlatformBdsConnectSequence (\r | |
1035 | VOID\r | |
1036 | )\r | |
1037 | /*++\r | |
1038 | \r | |
1039 | Routine Description:\r | |
1040 | \r | |
1041 | Connect with predeined platform connect sequence,\r | |
1042 | the OEM/IBV can customize with their own connect sequence.\r | |
1043 | \r | |
1044 | Arguments:\r | |
1045 | \r | |
1046 | None.\r | |
1047 | \r | |
1048 | Returns:\r | |
1049 | \r | |
1050 | None.\r | |
1051 | \r | |
1052 | --*/\r | |
1053 | {\r | |
1054 | UINTN Index;\r | |
1055 | \r | |
1056 | DEBUG ((EFI_D_INFO, "PlatformBdsConnectSequence\n"));\r | |
1057 | \r | |
1058 | Index = 0;\r | |
1059 | \r | |
1060 | //\r | |
1061 | // Here we can get the customized platform connect sequence\r | |
1062 | // Notes: we can connect with new variable which record the\r | |
1063 | // last time boots connect device path sequence\r | |
1064 | //\r | |
1065 | while (gPlatformConnectSequence[Index] != NULL) {\r | |
1066 | //\r | |
1067 | // Build the platform boot option\r | |
1068 | //\r | |
1069 | BdsLibConnectDevicePath (gPlatformConnectSequence[Index]);\r | |
1070 | Index++;\r | |
1071 | }\r | |
1072 | \r | |
1073 | //\r | |
1074 | // Just use the simple policy to connect all devices\r | |
1075 | //\r | |
1076 | BdsLibConnectAll ();\r | |
1077 | \r | |
2e70cf8a | 1078 | PciAcpiInitialization ();\r |
40f2c454 | 1079 | \r |
1080 | //\r | |
1081 | // Clear the logo after all devices are connected.\r | |
1082 | //\r | |
1083 | gST->ConOut->ClearScreen (gST->ConOut);\r | |
49ba9447 | 1084 | }\r |
1085 | \r | |
1086 | VOID\r | |
1087 | PlatformBdsGetDriverOption (\r | |
1088 | IN OUT LIST_ENTRY *BdsDriverLists\r | |
1089 | )\r | |
1090 | /*++\r | |
1091 | \r | |
1092 | Routine Description:\r | |
1093 | \r | |
1094 | Load the predefined driver option, OEM/IBV can customize this\r | |
1095 | to load their own drivers\r | |
1096 | \r | |
1097 | Arguments:\r | |
1098 | \r | |
1099 | BdsDriverLists - The header of the driver option link list.\r | |
1100 | \r | |
1101 | Returns:\r | |
1102 | \r | |
1103 | None.\r | |
1104 | \r | |
1105 | --*/\r | |
1106 | {\r | |
1107 | DEBUG ((EFI_D_INFO, "PlatformBdsGetDriverOption\n"));\r | |
1108 | return;\r | |
1109 | }\r | |
1110 | \r | |
1111 | VOID\r | |
1112 | PlatformBdsDiagnostics (\r | |
1113 | IN EXTENDMEM_COVERAGE_LEVEL MemoryTestLevel,\r | |
d18476d0 | 1114 | IN BOOLEAN QuietBoot,\r |
1115 | IN BASEM_MEMORY_TEST BaseMemoryTest\r | |
49ba9447 | 1116 | )\r |
1117 | /*++\r | |
1118 | \r | |
1119 | Routine Description:\r | |
1120 | \r | |
1121 | Perform the platform diagnostic, such like test memory. OEM/IBV also\r | |
1122 | can customize this fuction to support specific platform diagnostic.\r | |
1123 | \r | |
1124 | Arguments:\r | |
1125 | \r | |
1126 | MemoryTestLevel - The memory test intensive level\r | |
1127 | \r | |
1128 | QuietBoot - Indicate if need to enable the quiet boot\r | |
1129 | \r | |
d18476d0 | 1130 | BaseMemoryTest - A pointer to BaseMemoryTest()\r |
1131 | \r | |
49ba9447 | 1132 | Returns:\r |
1133 | \r | |
1134 | None.\r | |
1135 | \r | |
1136 | --*/\r | |
1137 | {\r | |
1138 | EFI_STATUS Status;\r | |
1139 | \r | |
1140 | DEBUG ((EFI_D_INFO, "PlatformBdsDiagnostics\n"));\r | |
1141 | \r | |
1142 | //\r | |
1143 | // Here we can decide if we need to show\r | |
1144 | // the diagnostics screen\r | |
1145 | // Notes: this quiet boot code should be remove\r | |
1146 | // from the graphic lib\r | |
1147 | //\r | |
1148 | if (QuietBoot) {\r | |
d46f3632 | 1149 | EnableQuietBoot (PcdGetPtr(PcdLogoFile));\r |
49ba9447 | 1150 | //\r |
1151 | // Perform system diagnostic\r | |
1152 | //\r | |
d18476d0 | 1153 | Status = BaseMemoryTest (MemoryTestLevel);\r |
49ba9447 | 1154 | if (EFI_ERROR (Status)) {\r |
1155 | DisableQuietBoot ();\r | |
1156 | }\r | |
1157 | \r | |
1158 | return ;\r | |
1159 | }\r | |
1160 | //\r | |
1161 | // Perform system diagnostic\r | |
1162 | //\r | |
d18476d0 | 1163 | Status = BaseMemoryTest (MemoryTestLevel);\r |
49ba9447 | 1164 | }\r |
1165 | \r | |
1166 | \r | |
9d7051b7 LE |
1167 | /**\r |
1168 | Save the S3 boot script.\r | |
1169 | \r | |
1170 | Note that we trigger DxeSmmReadyToLock here -- otherwise the script wouldn't\r | |
1171 | be saved actually. Triggering this protocol installation event in turn locks\r | |
1172 | down SMM, so no further changes to LockBoxes or SMRAM are possible\r | |
1173 | afterwards.\r | |
1174 | **/\r | |
1175 | STATIC\r | |
1176 | VOID\r | |
1177 | SaveS3BootScript (\r | |
1178 | VOID\r | |
1179 | )\r | |
1180 | {\r | |
1181 | EFI_STATUS Status;\r | |
1182 | EFI_S3_SAVE_STATE_PROTOCOL *BootScript;\r | |
1183 | EFI_HANDLE Handle;\r | |
1184 | STATIC CONST UINT8 Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };\r | |
1185 | \r | |
1186 | Status = gBS->LocateProtocol (&gEfiS3SaveStateProtocolGuid, NULL,\r | |
1187 | (VOID **) &BootScript);\r | |
1188 | ASSERT_EFI_ERROR (Status);\r | |
1189 | \r | |
1190 | //\r | |
1191 | // Despite the opcode documentation in the PI spec, the protocol\r | |
1192 | // implementation embeds a deep copy of the info in the boot script, rather\r | |
1193 | // than storing just a pointer to runtime or NVS storage.\r | |
1194 | //\r | |
1195 | Status = BootScript->Write(BootScript, EFI_BOOT_SCRIPT_INFORMATION_OPCODE,\r | |
1196 | (UINT32) sizeof Info,\r | |
1197 | (EFI_PHYSICAL_ADDRESS)(UINTN) &Info);\r | |
1198 | ASSERT_EFI_ERROR (Status);\r | |
1199 | \r | |
1200 | Handle = NULL;\r | |
1201 | Status = gBS->InstallProtocolInterface (&Handle,\r | |
1202 | &gEfiDxeSmmReadyToLockProtocolGuid, EFI_NATIVE_INTERFACE,\r | |
1203 | NULL);\r | |
1204 | ASSERT_EFI_ERROR (Status);\r | |
1205 | }\r | |
1206 | \r | |
1207 | \r | |
49ba9447 | 1208 | VOID\r |
1209 | EFIAPI\r | |
1210 | PlatformBdsPolicyBehavior (\r | |
49ba9447 | 1211 | IN OUT LIST_ENTRY *DriverOptionList,\r |
d18476d0 | 1212 | IN OUT LIST_ENTRY *BootOptionList,\r |
1213 | IN PROCESS_CAPSULES ProcessCapsules,\r | |
1214 | IN BASEM_MEMORY_TEST BaseMemoryTest\r | |
49ba9447 | 1215 | )\r |
1216 | /*++\r | |
1217 | \r | |
1218 | Routine Description:\r | |
1219 | \r | |
1220 | The function will excute with as the platform policy, current policy\r | |
1221 | is driven by boot mode. IBV/OEM can customize this code for their specific\r | |
1222 | policy action.\r | |
1223 | \r | |
1224 | Arguments:\r | |
1225 | \r | |
49ba9447 | 1226 | DriverOptionList - The header of the driver option link list\r |
1227 | \r | |
1228 | BootOptionList - The header of the boot option link list\r | |
1229 | \r | |
d18476d0 | 1230 | ProcessCapsules - A pointer to ProcessCapsules()\r |
1231 | \r | |
1232 | BaseMemoryTest - A pointer to BaseMemoryTest()\r | |
1233 | \r | |
49ba9447 | 1234 | Returns:\r |
1235 | \r | |
1236 | None.\r | |
1237 | \r | |
1238 | --*/\r | |
1239 | {\r | |
1240 | EFI_STATUS Status;\r | |
370ec7f1 | 1241 | EFI_BOOT_MODE BootMode;\r |
49ba9447 | 1242 | \r |
1243 | DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior\n"));\r | |
1244 | \r | |
2c34f3bc LE |
1245 | VisitAllInstancesOfProtocol (&gEfiPciRootBridgeIoProtocolGuid,\r |
1246 | ConnectRootBridge, NULL);\r | |
14b21de9 | 1247 | \r |
0f6ff51d LE |
1248 | //\r |
1249 | // Signal the ACPI platform driver that it can download QEMU ACPI tables.\r | |
1250 | //\r | |
1251 | EfiEventGroupSignal (&gRootBridgesConnectedEventGroupGuid);\r | |
1252 | \r | |
896352e5 LE |
1253 | //\r |
1254 | // We can't signal End-of-Dxe earlier than this. Namely, End-of-Dxe triggers\r | |
1255 | // the preparation of S3 system information. That logic has a hard dependency\r | |
1256 | // on the presence of the FACS ACPI table. Since our ACPI tables are only\r | |
1257 | // installed after PCI enumeration completes, we must not trigger the S3 save\r | |
1258 | // earlier, hence we can't signal End-of-Dxe earlier.\r | |
1259 | //\r | |
36e8e699 | 1260 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r |
896352e5 | 1261 | \r |
9d7051b7 LE |
1262 | if (QemuFwCfgS3Enabled ()) {\r |
1263 | //\r | |
1264 | // Save the boot script too. Note that this requires/includes emitting the\r | |
1265 | // DxeSmmReadyToLock event, which in turn locks down SMM.\r | |
1266 | //\r | |
1267 | SaveS3BootScript ();\r | |
1268 | }\r | |
1269 | \r | |
2590861a LE |
1270 | if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {\r |
1271 | DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior: not restoring NvVars "\r | |
1272 | "from disk since flash variables appear to be supported.\n"));\r | |
1273 | } else {\r | |
1274 | //\r | |
1275 | // Try to restore variables from the hard disk early so\r | |
1276 | // they can be used for the other BDS connect operations.\r | |
1277 | //\r | |
1278 | PlatformBdsRestoreNvVarsFromHardDisk ();\r | |
1279 | }\r | |
14b21de9 | 1280 | \r |
49ba9447 | 1281 | //\r |
1282 | // Load the driver option as the driver option list\r | |
1283 | //\r | |
1284 | PlatformBdsGetDriverOption (DriverOptionList);\r | |
1285 | \r | |
1286 | //\r | |
1287 | // Get current Boot Mode\r | |
1288 | //\r | |
370ec7f1 | 1289 | Status = BdsLibGetBootMode (&BootMode);\r |
1290 | DEBUG ((EFI_D_ERROR, "Boot Mode:%x\n", BootMode));\r | |
49ba9447 | 1291 | \r |
1292 | //\r | |
1293 | // Go the different platform policy with different boot mode\r | |
1294 | // Notes: this part code can be change with the table policy\r | |
1295 | //\r | |
370ec7f1 | 1296 | ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);\r |
49ba9447 | 1297 | //\r |
1298 | // Connect platform console\r | |
1299 | //\r | |
1300 | Status = PlatformBdsConnectConsole (gPlatformConsole);\r | |
1301 | if (EFI_ERROR (Status)) {\r | |
1302 | //\r | |
1303 | // Here OEM/IBV can customize with defined action\r | |
1304 | //\r | |
1305 | PlatformBdsNoConsoleAction ();\r | |
1306 | }\r | |
b1220e28 | 1307 | \r |
49ba9447 | 1308 | //\r |
1309 | // Memory test and Logo show\r | |
1310 | //\r | |
d18476d0 | 1311 | PlatformBdsDiagnostics (IGNORE, TRUE, BaseMemoryTest);\r |
49ba9447 | 1312 | \r |
1313 | //\r | |
1314 | // Perform some platform specific connect sequence\r | |
1315 | //\r | |
1316 | PlatformBdsConnectSequence ();\r | |
1317 | \r | |
52fba289 | 1318 | //\r |
1319 | // Process QEMU's -kernel command line option\r | |
1320 | //\r | |
1321 | TryRunningQemuKernel ();\r | |
1322 | \r | |
49ba9447 | 1323 | DEBUG ((EFI_D_INFO, "BdsLibConnectAll\n"));\r |
1324 | BdsLibConnectAll ();\r | |
1325 | BdsLibEnumerateAllBootOption (BootOptionList);\r | |
1326 | \r | |
2cd086a6 | 1327 | SetBootOrderFromQemu (BootOptionList);\r |
49ba9447 | 1328 | //\r |
de5ae37b LE |
1329 | // The BootOrder variable may have changed, reload the in-memory list with\r |
1330 | // it.\r | |
49ba9447 | 1331 | //\r |
de5ae37b | 1332 | BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");\r |
49ba9447 | 1333 | \r |
ea444a3e | 1334 | PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);\r |
49ba9447 | 1335 | }\r |
1336 | \r | |
1337 | VOID\r | |
1338 | EFIAPI\r | |
1339 | PlatformBdsBootSuccess (\r | |
1340 | IN BDS_COMMON_OPTION *Option\r | |
1341 | )\r | |
1342 | /*++\r | |
1343 | \r | |
1344 | Routine Description:\r | |
1345 | \r | |
1346 | Hook point after a boot attempt succeeds. We don't expect a boot option to\r | |
1347 | return, so the EFI 1.0 specification defines that you will default to an\r | |
1348 | interactive mode and stop processing the BootOrder list in this case. This\r | |
1349 | is alos a platform implementation and can be customized by IBV/OEM.\r | |
1350 | \r | |
1351 | Arguments:\r | |
1352 | \r | |
1353 | Option - Pointer to Boot Option that succeeded to boot.\r | |
1354 | \r | |
1355 | Returns:\r | |
1356 | \r | |
1357 | None.\r | |
1358 | \r | |
1359 | --*/\r | |
1360 | {\r | |
1361 | CHAR16 *TmpStr;\r | |
1362 | \r | |
1363 | DEBUG ((EFI_D_INFO, "PlatformBdsBootSuccess\n"));\r | |
1364 | //\r | |
1365 | // If Boot returned with EFI_SUCCESS and there is not in the boot device\r | |
1366 | // select loop then we need to pop up a UI and wait for user input.\r | |
1367 | //\r | |
1368 | TmpStr = Option->StatusString;\r | |
1369 | if (TmpStr != NULL) {\r | |
1370 | BdsLibOutputStrings (gST->ConOut, TmpStr, Option->Description, L"\n\r", NULL);\r | |
1371 | FreePool (TmpStr);\r | |
1372 | }\r | |
1373 | }\r | |
1374 | \r | |
1375 | VOID\r | |
1376 | EFIAPI\r | |
1377 | PlatformBdsBootFail (\r | |
1378 | IN BDS_COMMON_OPTION *Option,\r | |
1379 | IN EFI_STATUS Status,\r | |
1380 | IN CHAR16 *ExitData,\r | |
1381 | IN UINTN ExitDataSize\r | |
1382 | )\r | |
1383 | /*++\r | |
1384 | \r | |
1385 | Routine Description:\r | |
1386 | \r | |
1387 | Hook point after a boot attempt fails.\r | |
1388 | \r | |
1389 | Arguments:\r | |
1390 | \r | |
1391 | Option - Pointer to Boot Option that failed to boot.\r | |
1392 | \r | |
1393 | Status - Status returned from failed boot.\r | |
1394 | \r | |
1395 | ExitData - Exit data returned from failed boot.\r | |
1396 | \r | |
1397 | ExitDataSize - Exit data size returned from failed boot.\r | |
1398 | \r | |
1399 | Returns:\r | |
1400 | \r | |
1401 | None.\r | |
1402 | \r | |
1403 | --*/\r | |
1404 | {\r | |
1405 | CHAR16 *TmpStr;\r | |
1406 | \r | |
1407 | DEBUG ((EFI_D_INFO, "PlatformBdsBootFail\n"));\r | |
1408 | \r | |
1409 | //\r | |
1410 | // If Boot returned with failed status then we need to pop up a UI and wait\r | |
1411 | // for user input.\r | |
1412 | //\r | |
1413 | TmpStr = Option->StatusString;\r | |
1414 | if (TmpStr != NULL) {\r | |
1415 | BdsLibOutputStrings (gST->ConOut, TmpStr, Option->Description, L"\n\r", NULL);\r | |
1416 | FreePool (TmpStr);\r | |
1417 | }\r | |
1418 | }\r | |
1419 | \r | |
1420 | EFI_STATUS\r | |
1421 | PlatformBdsNoConsoleAction (\r | |
1422 | VOID\r | |
1423 | )\r | |
1424 | /*++\r | |
1425 | \r | |
1426 | Routine Description:\r | |
1427 | \r | |
1428 | This function is remained for IBV/OEM to do some platform action,\r | |
1429 | if there no console device can be connected.\r | |
1430 | \r | |
1431 | Arguments:\r | |
1432 | \r | |
1433 | None.\r | |
1434 | \r | |
1435 | Returns:\r | |
1436 | \r | |
1437 | EFI_SUCCESS - Direct return success now.\r | |
1438 | \r | |
1439 | --*/\r | |
1440 | {\r | |
1441 | DEBUG ((EFI_D_INFO, "PlatformBdsNoConsoleAction\n"));\r | |
1442 | return EFI_SUCCESS;\r | |
1443 | }\r | |
1444 | \r | |
24cdd14e | 1445 | VOID\r |
49ba9447 | 1446 | EFIAPI\r |
1447 | PlatformBdsLockNonUpdatableFlash (\r | |
1448 | VOID\r | |
1449 | )\r | |
1450 | {\r | |
1451 | DEBUG ((EFI_D_INFO, "PlatformBdsLockNonUpdatableFlash\n"));\r | |
24cdd14e | 1452 | return;\r |
49ba9447 | 1453 | }\r |
40f2c454 | 1454 | \r |
1455 | \r | |
1456 | /**\r | |
1457 | This notification function is invoked when an instance of the\r | |
1458 | EFI_DEVICE_PATH_PROTOCOL is produced.\r | |
1459 | \r | |
1460 | @param Event The event that occured\r | |
1461 | @param Context For EFI compatiblity. Not used.\r | |
1462 | \r | |
1463 | **/\r | |
1464 | VOID\r | |
1465 | EFIAPI\r | |
1466 | NotifyDevPath (\r | |
1467 | IN EFI_EVENT Event,\r | |
1468 | IN VOID *Context\r | |
1469 | )\r | |
1470 | {\r | |
1471 | EFI_HANDLE Handle;\r | |
1472 | EFI_STATUS Status;\r | |
1473 | UINTN BufferSize;\r | |
1474 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1475 | ATAPI_DEVICE_PATH *Atapi;\r | |
1476 | \r | |
1477 | //\r | |
1478 | // Examine all new handles\r | |
1479 | //\r | |
1480 | for (;;) {\r | |
1481 | //\r | |
1482 | // Get the next handle\r | |
1483 | //\r | |
1484 | BufferSize = sizeof (Handle);\r | |
1485 | Status = gBS->LocateHandle (\r | |
1486 | ByRegisterNotify,\r | |
1487 | NULL,\r | |
1488 | mEfiDevPathNotifyReg,\r | |
1489 | &BufferSize,\r | |
1490 | &Handle\r | |
1491 | );\r | |
1492 | \r | |
1493 | //\r | |
1494 | // If not found, we're done\r | |
1495 | //\r | |
1496 | if (EFI_NOT_FOUND == Status) {\r | |
1497 | break;\r | |
1498 | }\r | |
1499 | \r | |
1500 | if (EFI_ERROR (Status)) {\r | |
1501 | continue;\r | |
1502 | }\r | |
1503 | \r | |
1504 | //\r | |
1505 | // Get the DevicePath protocol on that handle\r | |
1506 | //\r | |
1507 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevPathNode);\r | |
1508 | ASSERT_EFI_ERROR (Status);\r | |
1509 | \r | |
1510 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1511 | //\r | |
1512 | // Find the handler to dump this device path node\r | |
1513 | //\r | |
1514 | if (\r | |
1515 | (DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&\r | |
1516 | (DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)\r | |
1517 | ) {\r | |
1518 | Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;\r | |
1519 | PciOr16 (\r | |
1520 | PCI_LIB_ADDRESS (\r | |
1521 | 0,\r | |
1522 | 1,\r | |
1523 | 1,\r | |
1524 | (Atapi->PrimarySecondary == 1) ? 0x42: 0x40\r | |
1525 | ),\r | |
1526 | BIT15\r | |
1527 | );\r | |
1528 | }\r | |
1529 | \r | |
1530 | //\r | |
1531 | // Next device path node\r | |
1532 | //\r | |
1533 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1534 | }\r | |
1535 | }\r | |
1536 | \r | |
1537 | return;\r | |
1538 | }\r | |
1539 | \r | |
1540 | \r | |
1541 | VOID\r | |
1542 | InstallDevicePathCallback (\r | |
1543 | VOID\r | |
1544 | )\r | |
1545 | {\r | |
1546 | DEBUG ((EFI_D_INFO, "Registered NotifyDevPath Event\n"));\r | |
1547 | mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (\r | |
1548 | &gEfiDevicePathProtocolGuid,\r | |
1549 | TPL_CALLBACK,\r | |
1550 | NotifyDevPath,\r | |
1551 | NULL,\r | |
1552 | &mEfiDevPathNotifyReg\r | |
1553 | );\r | |
1554 | }\r | |
1555 | \r | |
24cdd14e LG |
1556 | /**\r |
1557 | Lock the ConsoleIn device in system table. All key\r | |
1558 | presses will be ignored until the Password is typed in. The only way to\r | |
1559 | disable the password is to type it in to a ConIn device.\r | |
1560 | \r | |
1561 | @param Password Password used to lock ConIn device.\r | |
1562 | \r | |
1563 | @retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.\r | |
1564 | @retval EFI_UNSUPPORTED Password not found\r | |
1565 | \r | |
1566 | **/\r | |
1567 | EFI_STATUS\r | |
1568 | EFIAPI\r | |
1569 | LockKeyboards (\r | |
1570 | IN CHAR16 *Password\r | |
1571 | )\r | |
1572 | {\r | |
1573 | return EFI_UNSUPPORTED;\r | |
1574 | }\r | |
5106d422 | 1575 | \r |