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1 | /** @file\r | |
2 | Platform BDS customizations.\r | |
3 | \r | |
4 | Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r | |
5 | All rights reserved. This program and the accompanying materials\r | |
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 | |
16 | \r | |
17 | \r | |
18 | //\r | |
19 | // Global data\r | |
20 | //\r | |
21 | \r | |
22 | VOID *mEfiDevPathNotifyReg;\r | |
23 | EFI_EVENT mEfiDevPathEvent;\r | |
24 | \r | |
25 | \r | |
26 | //\r | |
27 | // Function prototypes\r | |
28 | //\r | |
29 | \r | |
30 | VOID\r | |
31 | InstallDevicePathCallback (\r | |
32 | VOID\r | |
33 | );\r | |
34 | \r | |
35 | \r | |
36 | //\r | |
37 | // BDS Platform Functions\r | |
38 | //\r | |
39 | VOID\r | |
40 | EFIAPI\r | |
41 | PlatformBdsInit (\r | |
42 | VOID\r | |
43 | )\r | |
44 | /*++\r | |
45 | \r | |
46 | Routine Description:\r | |
47 | \r | |
48 | Platform Bds init. Incude the platform firmware vendor, revision\r | |
49 | and so crc check.\r | |
50 | \r | |
51 | Arguments:\r | |
52 | \r | |
53 | Returns:\r | |
54 | \r | |
55 | None.\r | |
56 | \r | |
57 | --*/\r | |
58 | {\r | |
59 | DEBUG ((EFI_D_INFO, "PlatformBdsInit\n"));\r | |
60 | InstallDevicePathCallback ();\r | |
61 | }\r | |
62 | \r | |
63 | \r | |
64 | EFI_STATUS\r | |
65 | ConnectRootBridge (\r | |
66 | VOID\r | |
67 | )\r | |
68 | /*++\r | |
69 | \r | |
70 | Routine Description:\r | |
71 | \r | |
72 | Connect RootBridge\r | |
73 | \r | |
74 | Arguments:\r | |
75 | \r | |
76 | None.\r | |
77 | \r | |
78 | Returns:\r | |
79 | \r | |
80 | EFI_SUCCESS - Connect RootBridge successfully.\r | |
81 | EFI_STATUS - Connect RootBridge fail.\r | |
82 | \r | |
83 | --*/\r | |
84 | {\r | |
85 | EFI_STATUS Status;\r | |
86 | EFI_HANDLE RootHandle;\r | |
87 | \r | |
88 | //\r | |
89 | // Make all the PCI_IO protocols on PCI Seg 0 show up\r | |
90 | //\r | |
91 | BdsLibConnectDevicePath (gPlatformRootBridges[0]);\r | |
92 | \r | |
93 | Status = gBS->LocateDevicePath (\r | |
94 | &gEfiDevicePathProtocolGuid,\r | |
95 | &gPlatformRootBridges[0],\r | |
96 | &RootHandle\r | |
97 | );\r | |
98 | if (EFI_ERROR (Status)) {\r | |
99 | return Status;\r | |
100 | }\r | |
101 | \r | |
102 | Status = gBS->ConnectController (RootHandle, NULL, NULL, FALSE);\r | |
103 | if (EFI_ERROR (Status)) {\r | |
104 | return Status;\r | |
105 | }\r | |
106 | \r | |
107 | return EFI_SUCCESS;\r | |
108 | }\r | |
109 | \r | |
110 | \r | |
111 | EFI_STATUS\r | |
112 | PrepareLpcBridgeDevicePath (\r | |
113 | IN EFI_HANDLE DeviceHandle\r | |
114 | )\r | |
115 | /*++\r | |
116 | \r | |
117 | Routine Description:\r | |
118 | \r | |
119 | Add IsaKeyboard to ConIn,\r | |
120 | add IsaSerial to ConOut, ConIn, ErrOut.\r | |
121 | LPC Bridge: 06 01 00\r | |
122 | \r | |
123 | Arguments:\r | |
124 | \r | |
125 | DeviceHandle - Handle of PCIIO protocol.\r | |
126 | \r | |
127 | Returns:\r | |
128 | \r | |
129 | EFI_SUCCESS - LPC bridge is added to ConOut, ConIn, and ErrOut.\r | |
130 | EFI_STATUS - No LPC bridge is added.\r | |
131 | \r | |
132 | --*/\r | |
133 | {\r | |
134 | EFI_STATUS Status;\r | |
135 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
136 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
137 | CHAR16 *DevPathStr;\r | |
138 | \r | |
139 | DevicePath = NULL;\r | |
140 | Status = gBS->HandleProtocol (\r | |
141 | DeviceHandle,\r | |
142 | &gEfiDevicePathProtocolGuid,\r | |
143 | (VOID*)&DevicePath\r | |
144 | );\r | |
145 | if (EFI_ERROR (Status)) {\r | |
146 | return Status;\r | |
147 | }\r | |
148 | TempDevicePath = DevicePath;\r | |
149 | \r | |
150 | //\r | |
151 | // Register Keyboard\r | |
152 | //\r | |
153 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode);\r | |
154 | \r | |
155 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
156 | \r | |
157 | //\r | |
158 | // Register COM1\r | |
159 | //\r | |
160 | DevicePath = TempDevicePath;\r | |
161 | gPnp16550ComPortDeviceNode.UID = 0;\r | |
162 | \r | |
163 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
164 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
165 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
166 | \r | |
167 | //\r | |
168 | // Print Device Path\r | |
169 | //\r | |
170 | DevPathStr = DevicePathToStr(DevicePath);\r | |
171 | DEBUG((\r | |
172 | EFI_D_INFO,\r | |
173 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r | |
174 | __LINE__,\r | |
175 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
176 | DevPathStr\r | |
177 | ));\r | |
178 | FreePool(DevPathStr);\r | |
179 | \r | |
180 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
181 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
182 | BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);\r | |
183 | \r | |
184 | //\r | |
185 | // Register COM2\r | |
186 | //\r | |
187 | DevicePath = TempDevicePath;\r | |
188 | gPnp16550ComPortDeviceNode.UID = 1;\r | |
189 | \r | |
190 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);\r | |
191 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
192 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
193 | \r | |
194 | //\r | |
195 | // Print Device Path\r | |
196 | //\r | |
197 | DevPathStr = DevicePathToStr(DevicePath);\r | |
198 | DEBUG((\r | |
199 | EFI_D_INFO,\r | |
200 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r | |
201 | __LINE__,\r | |
202 | gPnp16550ComPortDeviceNode.UID + 1,\r | |
203 | DevPathStr\r | |
204 | ));\r | |
205 | FreePool(DevPathStr);\r | |
206 | \r | |
207 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
208 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
209 | BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);\r | |
210 | \r | |
211 | return EFI_SUCCESS;\r | |
212 | }\r | |
213 | \r | |
214 | EFI_STATUS\r | |
215 | GetGopDevicePath (\r | |
216 | IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,\r | |
217 | OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath\r | |
218 | )\r | |
219 | {\r | |
220 | UINTN Index;\r | |
221 | EFI_STATUS Status;\r | |
222 | EFI_HANDLE PciDeviceHandle;\r | |
223 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
224 | EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;\r | |
225 | UINTN GopHandleCount;\r | |
226 | EFI_HANDLE *GopHandleBuffer;\r | |
227 | \r | |
228 | if (PciDevicePath == NULL || GopDevicePath == NULL) {\r | |
229 | return EFI_INVALID_PARAMETER;\r | |
230 | }\r | |
231 | \r | |
232 | //\r | |
233 | // Initialize the GopDevicePath to be PciDevicePath\r | |
234 | //\r | |
235 | *GopDevicePath = PciDevicePath;\r | |
236 | TempPciDevicePath = PciDevicePath;\r | |
237 | \r | |
238 | Status = gBS->LocateDevicePath (\r | |
239 | &gEfiDevicePathProtocolGuid,\r | |
240 | &TempPciDevicePath,\r | |
241 | &PciDeviceHandle\r | |
242 | );\r | |
243 | if (EFI_ERROR (Status)) {\r | |
244 | return Status;\r | |
245 | }\r | |
246 | \r | |
247 | //\r | |
248 | // Try to connect this handle, so that GOP dirver could start on this\r | |
249 | // device and create child handles with GraphicsOutput Protocol installed\r | |
250 | // on them, then we get device paths of these child handles and select\r | |
251 | // them as possible console device.\r | |
252 | //\r | |
253 | gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);\r | |
254 | \r | |
255 | Status = gBS->LocateHandleBuffer (\r | |
256 | ByProtocol,\r | |
257 | &gEfiGraphicsOutputProtocolGuid,\r | |
258 | NULL,\r | |
259 | &GopHandleCount,\r | |
260 | &GopHandleBuffer\r | |
261 | );\r | |
262 | if (!EFI_ERROR (Status)) {\r | |
263 | //\r | |
264 | // Add all the child handles as possible Console Device\r | |
265 | //\r | |
266 | for (Index = 0; Index < GopHandleCount; Index++) {\r | |
267 | Status = gBS->HandleProtocol (GopHandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID*)&TempDevicePath);\r | |
268 | if (EFI_ERROR (Status)) {\r | |
269 | continue;\r | |
270 | }\r | |
271 | if (CompareMem (\r | |
272 | PciDevicePath,\r | |
273 | TempDevicePath,\r | |
274 | GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH\r | |
275 | ) == 0) {\r | |
276 | //\r | |
277 | // In current implementation, we only enable one of the child handles\r | |
278 | // as console device, i.e. sotre one of the child handle's device\r | |
279 | // path to variable "ConOut"\r | |
280 | // In futhure, we could select all child handles to be console device\r | |
281 | //\r | |
282 | \r | |
283 | *GopDevicePath = TempDevicePath;\r | |
284 | \r | |
285 | //\r | |
286 | // Delete the PCI device's path that added by GetPlugInPciVgaDevicePath()\r | |
287 | // Add the integrity GOP device path.\r | |
288 | //\r | |
289 | BdsLibUpdateConsoleVariable (VarConsoleOutDev, NULL, PciDevicePath);\r | |
290 | BdsLibUpdateConsoleVariable (VarConsoleOutDev, TempDevicePath, NULL);\r | |
291 | }\r | |
292 | }\r | |
293 | gBS->FreePool (GopHandleBuffer);\r | |
294 | }\r | |
295 | \r | |
296 | return EFI_SUCCESS;\r | |
297 | }\r | |
298 | \r | |
299 | EFI_STATUS\r | |
300 | PreparePciVgaDevicePath (\r | |
301 | IN EFI_HANDLE DeviceHandle\r | |
302 | )\r | |
303 | /*++\r | |
304 | \r | |
305 | Routine Description:\r | |
306 | \r | |
307 | Add PCI VGA to ConOut.\r | |
308 | PCI VGA: 03 00 00\r | |
309 | \r | |
310 | Arguments:\r | |
311 | \r | |
312 | DeviceHandle - Handle of PCIIO protocol.\r | |
313 | \r | |
314 | Returns:\r | |
315 | \r | |
316 | EFI_SUCCESS - PCI VGA is added to ConOut.\r | |
317 | EFI_STATUS - No PCI VGA device is added.\r | |
318 | \r | |
319 | --*/\r | |
320 | {\r | |
321 | EFI_STATUS Status;\r | |
322 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
323 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;\r | |
324 | \r | |
325 | DevicePath = NULL;\r | |
326 | Status = gBS->HandleProtocol (\r | |
327 | DeviceHandle,\r | |
328 | &gEfiDevicePathProtocolGuid,\r | |
329 | (VOID*)&DevicePath\r | |
330 | );\r | |
331 | if (EFI_ERROR (Status)) {\r | |
332 | return Status;\r | |
333 | }\r | |
334 | \r | |
335 | GetGopDevicePath (DevicePath, &GopDevicePath);\r | |
336 | DevicePath = GopDevicePath;\r | |
337 | \r | |
338 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
339 | \r | |
340 | return EFI_SUCCESS;\r | |
341 | }\r | |
342 | \r | |
343 | EFI_STATUS\r | |
344 | PreparePciSerialDevicePath (\r | |
345 | IN EFI_HANDLE DeviceHandle\r | |
346 | )\r | |
347 | /*++\r | |
348 | \r | |
349 | Routine Description:\r | |
350 | \r | |
351 | Add PCI Serial to ConOut, ConIn, ErrOut.\r | |
352 | PCI Serial: 07 00 02\r | |
353 | \r | |
354 | Arguments:\r | |
355 | \r | |
356 | DeviceHandle - Handle of PCIIO protocol.\r | |
357 | \r | |
358 | Returns:\r | |
359 | \r | |
360 | EFI_SUCCESS - PCI Serial is added to ConOut, ConIn, and ErrOut.\r | |
361 | EFI_STATUS - No PCI Serial device is added.\r | |
362 | \r | |
363 | --*/\r | |
364 | {\r | |
365 | EFI_STATUS Status;\r | |
366 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
367 | \r | |
368 | DevicePath = NULL;\r | |
369 | Status = gBS->HandleProtocol (\r | |
370 | DeviceHandle,\r | |
371 | &gEfiDevicePathProtocolGuid,\r | |
372 | (VOID*)&DevicePath\r | |
373 | );\r | |
374 | if (EFI_ERROR (Status)) {\r | |
375 | return Status;\r | |
376 | }\r | |
377 | \r | |
378 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);\r | |
379 | DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);\r | |
380 | \r | |
381 | BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);\r | |
382 | BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);\r | |
383 | BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);\r | |
384 | \r | |
385 | return EFI_SUCCESS;\r | |
386 | }\r | |
387 | \r | |
388 | EFI_STATUS\r | |
389 | DetectAndPreparePlatformPciDevicePath (\r | |
390 | BOOLEAN DetectVgaOnly\r | |
391 | )\r | |
392 | /*++\r | |
393 | \r | |
394 | Routine Description:\r | |
395 | \r | |
396 | Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut\r | |
397 | \r | |
398 | Arguments:\r | |
399 | \r | |
400 | DetectVgaOnly - Only detect VGA device if it's TRUE.\r | |
401 | \r | |
402 | Returns:\r | |
403 | \r | |
404 | EFI_SUCCESS - PCI Device check and Console variable update successfully.\r | |
405 | EFI_STATUS - PCI Device check or Console variable update fail.\r | |
406 | \r | |
407 | --*/\r | |
408 | {\r | |
409 | EFI_STATUS Status;\r | |
410 | UINTN HandleCount;\r | |
411 | EFI_HANDLE *HandleBuffer;\r | |
412 | UINTN Index;\r | |
413 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
414 | PCI_TYPE00 Pci;\r | |
415 | \r | |
416 | //\r | |
417 | // Start to check all the PciIo to find all possible device\r | |
418 | //\r | |
419 | HandleCount = 0;\r | |
420 | HandleBuffer = NULL;\r | |
421 | Status = gBS->LocateHandleBuffer (\r | |
422 | ByProtocol,\r | |
423 | &gEfiPciIoProtocolGuid,\r | |
424 | NULL,\r | |
425 | &HandleCount,\r | |
426 | &HandleBuffer\r | |
427 | );\r | |
428 | if (EFI_ERROR (Status)) {\r | |
429 | return Status;\r | |
430 | }\r | |
431 | \r | |
432 | for (Index = 0; Index < HandleCount; Index++) {\r | |
433 | Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiPciIoProtocolGuid, (VOID*)&PciIo);\r | |
434 | if (EFI_ERROR (Status)) {\r | |
435 | continue;\r | |
436 | }\r | |
437 | \r | |
438 | //\r | |
439 | // Check for all PCI device\r | |
440 | //\r | |
441 | Status = PciIo->Pci.Read (\r | |
442 | PciIo,\r | |
443 | EfiPciIoWidthUint32,\r | |
444 | 0,\r | |
445 | sizeof (Pci) / sizeof (UINT32),\r | |
446 | &Pci\r | |
447 | );\r | |
448 | if (EFI_ERROR (Status)) {\r | |
449 | continue;\r | |
450 | }\r | |
451 | \r | |
452 | if (!DetectVgaOnly) {\r | |
453 | //\r | |
454 | // Here we decide whether it is LPC Bridge\r | |
455 | //\r | |
456 | if ((IS_PCI_LPC (&Pci)) ||\r | |
457 | ((IS_PCI_ISA_PDECODE (&Pci)) &&\r | |
458 | (Pci.Hdr.VendorId == 0x8086) &&\r | |
459 | (Pci.Hdr.DeviceId == 0x7000)\r | |
460 | )\r | |
461 | ) {\r | |
462 | Status = PciIo->Attributes (\r | |
463 | PciIo,\r | |
464 | EfiPciIoAttributeOperationEnable,\r | |
465 | EFI_PCI_DEVICE_ENABLE,\r | |
466 | NULL\r | |
467 | );\r | |
468 | //\r | |
469 | // Add IsaKeyboard to ConIn,\r | |
470 | // add IsaSerial to ConOut, ConIn, ErrOut\r | |
471 | //\r | |
472 | DEBUG ((EFI_D_INFO, "Find the LPC Bridge device\n"));\r | |
473 | PrepareLpcBridgeDevicePath (HandleBuffer[Index]);\r | |
474 | continue;\r | |
475 | }\r | |
476 | //\r | |
477 | // Here we decide which Serial device to enable in PCI bus\r | |
478 | //\r | |
479 | if (IS_PCI_16550SERIAL (&Pci)) {\r | |
480 | //\r | |
481 | // Add them to ConOut, ConIn, ErrOut.\r | |
482 | //\r | |
483 | DEBUG ((EFI_D_INFO, "Find the 16550 SERIAL device\n"));\r | |
484 | PreparePciSerialDevicePath (HandleBuffer[Index]);\r | |
485 | continue;\r | |
486 | }\r | |
487 | }\r | |
488 | \r | |
489 | if ((Pci.Hdr.VendorId == 0x8086) &&\r | |
490 | (Pci.Hdr.DeviceId == 0x7010)\r | |
491 | ) {\r | |
492 | Status = PciIo->Attributes (\r | |
493 | PciIo,\r | |
494 | EfiPciIoAttributeOperationEnable,\r | |
495 | EFI_PCI_DEVICE_ENABLE,\r | |
496 | NULL\r | |
497 | );\r | |
498 | }\r | |
499 | \r | |
500 | //\r | |
501 | // Here we decide which VGA device to enable in PCI bus\r | |
502 | //\r | |
503 | if (IS_PCI_VGA (&Pci)) {\r | |
504 | //\r | |
505 | // Add them to ConOut.\r | |
506 | //\r | |
507 | DEBUG ((EFI_D_INFO, "Find the VGA device\n"));\r | |
508 | PreparePciVgaDevicePath (HandleBuffer[Index]);\r | |
509 | continue;\r | |
510 | }\r | |
511 | }\r | |
512 | \r | |
513 | gBS->FreePool (HandleBuffer);\r | |
514 | \r | |
515 | return EFI_SUCCESS;\r | |
516 | }\r | |
517 | \r | |
518 | \r | |
519 | EFI_STATUS\r | |
520 | PlatformBdsConnectConsole (\r | |
521 | IN BDS_CONSOLE_CONNECT_ENTRY *PlatformConsole\r | |
522 | )\r | |
523 | /*++\r | |
524 | \r | |
525 | Routine Description:\r | |
526 | \r | |
527 | Connect the predefined platform default console device. Always try to find\r | |
528 | and enable the vga device if have.\r | |
529 | \r | |
530 | Arguments:\r | |
531 | \r | |
532 | PlatformConsole - Predfined platform default console device array.\r | |
533 | \r | |
534 | Returns:\r | |
535 | \r | |
536 | EFI_SUCCESS - Success connect at least one ConIn and ConOut\r | |
537 | device, there must have one ConOut device is\r | |
538 | active vga device.\r | |
539 | \r | |
540 | EFI_STATUS - Return the status of\r | |
541 | BdsLibConnectAllDefaultConsoles ()\r | |
542 | \r | |
543 | --*/\r | |
544 | {\r | |
545 | EFI_STATUS Status;\r | |
546 | UINTN Index;\r | |
547 | EFI_DEVICE_PATH_PROTOCOL *VarConout;\r | |
548 | EFI_DEVICE_PATH_PROTOCOL *VarConin;\r | |
549 | UINTN DevicePathSize;\r | |
550 | \r | |
551 | //\r | |
552 | // Connect RootBridge\r | |
553 | //\r | |
554 | ConnectRootBridge ();\r | |
555 | \r | |
556 | VarConout = BdsLibGetVariableAndSize (\r | |
557 | VarConsoleOut,\r | |
558 | &gEfiGlobalVariableGuid,\r | |
559 | &DevicePathSize\r | |
560 | );\r | |
561 | VarConin = BdsLibGetVariableAndSize (\r | |
562 | VarConsoleInp,\r | |
563 | &gEfiGlobalVariableGuid,\r | |
564 | &DevicePathSize\r | |
565 | );\r | |
566 | \r | |
567 | if (VarConout == NULL || VarConin == NULL) {\r | |
568 | //\r | |
569 | // Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut\r | |
570 | //\r | |
571 | DetectAndPreparePlatformPciDevicePath (FALSE);\r | |
572 | \r | |
573 | //\r | |
574 | // Have chance to connect the platform default console,\r | |
575 | // the platform default console is the minimue device group\r | |
576 | // the platform should support\r | |
577 | //\r | |
578 | for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {\r | |
579 | //\r | |
580 | // Update the console variable with the connect type\r | |
581 | //\r | |
582 | if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {\r | |
583 | BdsLibUpdateConsoleVariable (VarConsoleInp, PlatformConsole[Index].DevicePath, NULL);\r | |
584 | }\r | |
585 | if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {\r | |
586 | BdsLibUpdateConsoleVariable (VarConsoleOut, PlatformConsole[Index].DevicePath, NULL);\r | |
587 | }\r | |
588 | if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {\r | |
589 | BdsLibUpdateConsoleVariable (VarErrorOut, PlatformConsole[Index].DevicePath, NULL);\r | |
590 | }\r | |
591 | }\r | |
592 | } else {\r | |
593 | //\r | |
594 | // Only detect VGA device and add them to ConOut\r | |
595 | //\r | |
596 | DetectAndPreparePlatformPciDevicePath (TRUE);\r | |
597 | }\r | |
598 | \r | |
599 | //\r | |
600 | // Connect the all the default console with current cosole variable\r | |
601 | //\r | |
602 | Status = BdsLibConnectAllDefaultConsoles ();\r | |
603 | if (EFI_ERROR (Status)) {\r | |
604 | return Status;\r | |
605 | }\r | |
606 | \r | |
607 | return EFI_SUCCESS;\r | |
608 | }\r | |
609 | \r | |
610 | \r | |
611 | VOID\r | |
612 | PciInitialization (\r | |
613 | )\r | |
614 | {\r | |
615 | //\r | |
616 | // Bus 0, Device 0, Function 0 - Host to PCI Bridge\r | |
617 | //\r | |
618 | PciWrite8 (PCI_LIB_ADDRESS (0, 0, 0, 0x3c), 0x00);\r | |
619 | \r | |
620 | //\r | |
621 | // Bus 0, Device 1, Function 0 - PCI to ISA Bridge\r | |
622 | //\r | |
623 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x3c), 0x00);\r | |
624 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b);\r | |
625 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x09);\r | |
626 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0b);\r | |
627 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x09);\r | |
628 | \r | |
629 | //\r | |
630 | // Bus 0, Device 1, Function 1 - IDE Controller\r | |
631 | //\r | |
632 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 1, 0x3c), 0x00);\r | |
633 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 1, 0x0d), 0x40);\r | |
634 | \r | |
635 | //\r | |
636 | // Bus 0, Device 1, Function 3 - Power Managment Controller\r | |
637 | //\r | |
638 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3c), 0x0b);\r | |
639 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3d), 0x01);\r | |
640 | \r | |
641 | //\r | |
642 | // Bus 0, Device 2, Function 0 - Video Controller\r | |
643 | //\r | |
644 | PciWrite8 (PCI_LIB_ADDRESS (0, 2, 0, 0x3c), 0x00);\r | |
645 | \r | |
646 | //\r | |
647 | // Bus 0, Device 3, Function 0 - Network Controller\r | |
648 | //\r | |
649 | PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3c), 0x0b);\r | |
650 | PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3d), 0x01);\r | |
651 | \r | |
652 | //\r | |
653 | // Bus 0, Device 4, Function 0 - RAM Memory\r | |
654 | //\r | |
655 | PciWrite8 (PCI_LIB_ADDRESS (0, 4, 0, 0x3c), 0x09);\r | |
656 | PciWrite8 (PCI_LIB_ADDRESS (0, 4, 0, 0x3d), 0x01);\r | |
657 | }\r | |
658 | \r | |
659 | \r | |
660 | VOID\r | |
661 | PlatformBdsConnectSequence (\r | |
662 | VOID\r | |
663 | )\r | |
664 | /*++\r | |
665 | \r | |
666 | Routine Description:\r | |
667 | \r | |
668 | Connect with predeined platform connect sequence,\r | |
669 | the OEM/IBV can customize with their own connect sequence.\r | |
670 | \r | |
671 | Arguments:\r | |
672 | \r | |
673 | None.\r | |
674 | \r | |
675 | Returns:\r | |
676 | \r | |
677 | None.\r | |
678 | \r | |
679 | --*/\r | |
680 | {\r | |
681 | UINTN Index;\r | |
682 | \r | |
683 | DEBUG ((EFI_D_INFO, "PlatformBdsConnectSequence\n"));\r | |
684 | \r | |
685 | Index = 0;\r | |
686 | \r | |
687 | //\r | |
688 | // Here we can get the customized platform connect sequence\r | |
689 | // Notes: we can connect with new variable which record the\r | |
690 | // last time boots connect device path sequence\r | |
691 | //\r | |
692 | while (gPlatformConnectSequence[Index] != NULL) {\r | |
693 | //\r | |
694 | // Build the platform boot option\r | |
695 | //\r | |
696 | BdsLibConnectDevicePath (gPlatformConnectSequence[Index]);\r | |
697 | Index++;\r | |
698 | }\r | |
699 | \r | |
700 | //\r | |
701 | // Just use the simple policy to connect all devices\r | |
702 | //\r | |
703 | BdsLibConnectAll ();\r | |
704 | \r | |
705 | PciInitialization ();\r | |
706 | \r | |
707 | //\r | |
708 | // Clear the logo after all devices are connected.\r | |
709 | //\r | |
710 | gST->ConOut->ClearScreen (gST->ConOut);\r | |
711 | }\r | |
712 | \r | |
713 | VOID\r | |
714 | PlatformBdsGetDriverOption (\r | |
715 | IN OUT LIST_ENTRY *BdsDriverLists\r | |
716 | )\r | |
717 | /*++\r | |
718 | \r | |
719 | Routine Description:\r | |
720 | \r | |
721 | Load the predefined driver option, OEM/IBV can customize this\r | |
722 | to load their own drivers\r | |
723 | \r | |
724 | Arguments:\r | |
725 | \r | |
726 | BdsDriverLists - The header of the driver option link list.\r | |
727 | \r | |
728 | Returns:\r | |
729 | \r | |
730 | None.\r | |
731 | \r | |
732 | --*/\r | |
733 | {\r | |
734 | DEBUG ((EFI_D_INFO, "PlatformBdsGetDriverOption\n"));\r | |
735 | return;\r | |
736 | }\r | |
737 | \r | |
738 | VOID\r | |
739 | PlatformBdsDiagnostics (\r | |
740 | IN EXTENDMEM_COVERAGE_LEVEL MemoryTestLevel,\r | |
741 | IN BOOLEAN QuietBoot\r | |
742 | )\r | |
743 | /*++\r | |
744 | \r | |
745 | Routine Description:\r | |
746 | \r | |
747 | Perform the platform diagnostic, such like test memory. OEM/IBV also\r | |
748 | can customize this fuction to support specific platform diagnostic.\r | |
749 | \r | |
750 | Arguments:\r | |
751 | \r | |
752 | MemoryTestLevel - The memory test intensive level\r | |
753 | \r | |
754 | QuietBoot - Indicate if need to enable the quiet boot\r | |
755 | \r | |
756 | Returns:\r | |
757 | \r | |
758 | None.\r | |
759 | \r | |
760 | --*/\r | |
761 | {\r | |
762 | EFI_STATUS Status;\r | |
763 | \r | |
764 | DEBUG ((EFI_D_INFO, "PlatformBdsDiagnostics\n"));\r | |
765 | \r | |
766 | //\r | |
767 | // Here we can decide if we need to show\r | |
768 | // the diagnostics screen\r | |
769 | // Notes: this quiet boot code should be remove\r | |
770 | // from the graphic lib\r | |
771 | //\r | |
772 | if (QuietBoot) {\r | |
773 | EnableQuietBoot (&gEfiDefaultBmpLogoGuid);\r | |
774 | //\r | |
775 | // Perform system diagnostic\r | |
776 | //\r | |
777 | Status = BdsMemoryTest (MemoryTestLevel);\r | |
778 | if (EFI_ERROR (Status)) {\r | |
779 | DisableQuietBoot ();\r | |
780 | }\r | |
781 | \r | |
782 | return ;\r | |
783 | }\r | |
784 | //\r | |
785 | // Perform system diagnostic\r | |
786 | //\r | |
787 | Status = BdsMemoryTest (MemoryTestLevel);\r | |
788 | }\r | |
789 | \r | |
790 | \r | |
791 | VOID\r | |
792 | EFIAPI\r | |
793 | PlatformBdsPolicyBehavior (\r | |
794 | IN OUT LIST_ENTRY *DriverOptionList,\r | |
795 | IN OUT LIST_ENTRY *BootOptionList\r | |
796 | )\r | |
797 | /*++\r | |
798 | \r | |
799 | Routine Description:\r | |
800 | \r | |
801 | The function will excute with as the platform policy, current policy\r | |
802 | is driven by boot mode. IBV/OEM can customize this code for their specific\r | |
803 | policy action.\r | |
804 | \r | |
805 | Arguments:\r | |
806 | \r | |
807 | DriverOptionList - The header of the driver option link list\r | |
808 | \r | |
809 | BootOptionList - The header of the boot option link list\r | |
810 | \r | |
811 | Returns:\r | |
812 | \r | |
813 | None.\r | |
814 | \r | |
815 | --*/\r | |
816 | {\r | |
817 | EFI_STATUS Status;\r | |
818 | UINT16 Timeout;\r | |
819 | EFI_EVENT UserInputDurationTime;\r | |
820 | LIST_ENTRY *Link;\r | |
821 | BDS_COMMON_OPTION *BootOption;\r | |
822 | UINTN Index;\r | |
823 | EFI_INPUT_KEY Key;\r | |
824 | EFI_TPL OldTpl;\r | |
825 | EFI_BOOT_MODE BootMode;\r | |
826 | \r | |
827 | DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior\n"));\r | |
828 | \r | |
829 | //\r | |
830 | // Init the time out value\r | |
831 | //\r | |
832 | Timeout = PcdGet16 (PcdPlatformBootTimeOut);\r | |
833 | \r | |
834 | //\r | |
835 | // Load the driver option as the driver option list\r | |
836 | //\r | |
837 | PlatformBdsGetDriverOption (DriverOptionList);\r | |
838 | \r | |
839 | //\r | |
840 | // Get current Boot Mode\r | |
841 | //\r | |
842 | Status = BdsLibGetBootMode (&BootMode);\r | |
843 | DEBUG ((EFI_D_ERROR, "Boot Mode:%x\n", BootMode));\r | |
844 | \r | |
845 | //\r | |
846 | // Go the different platform policy with different boot mode\r | |
847 | // Notes: this part code can be change with the table policy\r | |
848 | //\r | |
849 | ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);\r | |
850 | //\r | |
851 | // Connect platform console\r | |
852 | //\r | |
853 | Status = PlatformBdsConnectConsole (gPlatformConsole);\r | |
854 | if (EFI_ERROR (Status)) {\r | |
855 | //\r | |
856 | // Here OEM/IBV can customize with defined action\r | |
857 | //\r | |
858 | PlatformBdsNoConsoleAction ();\r | |
859 | }\r | |
860 | //\r | |
861 | // Create a 300ms duration event to ensure user has enough input time to enter Setup\r | |
862 | //\r | |
863 | Status = gBS->CreateEvent (\r | |
864 | EVT_TIMER,\r | |
865 | 0,\r | |
866 | NULL,\r | |
867 | NULL,\r | |
868 | &UserInputDurationTime\r | |
869 | );\r | |
870 | ASSERT (Status == EFI_SUCCESS);\r | |
871 | Status = gBS->SetTimer (UserInputDurationTime, TimerRelative, 3000000);\r | |
872 | ASSERT (Status == EFI_SUCCESS);\r | |
873 | //\r | |
874 | // Memory test and Logo show\r | |
875 | //\r | |
876 | PlatformBdsDiagnostics (IGNORE, TRUE);\r | |
877 | \r | |
878 | //\r | |
879 | // Perform some platform specific connect sequence\r | |
880 | //\r | |
881 | PlatformBdsConnectSequence ();\r | |
882 | \r | |
883 | //\r | |
884 | // Give one chance to enter the setup if we\r | |
885 | // have the time out\r | |
886 | //\r | |
887 | if (Timeout != 0) {\r | |
888 | //PlatformBdsEnterFrontPage (Timeout, FALSE);\r | |
889 | }\r | |
890 | \r | |
891 | DEBUG ((EFI_D_INFO, "BdsLibConnectAll\n"));\r | |
892 | BdsLibConnectAll ();\r | |
893 | BdsLibEnumerateAllBootOption (BootOptionList);\r | |
894 | \r | |
895 | //\r | |
896 | // Please uncomment above ConnectAll and EnumerateAll code and remove following first boot\r | |
897 | // checking code in real production tip.\r | |
898 | //\r | |
899 | // In BOOT_WITH_FULL_CONFIGURATION boot mode, should always connect every device\r | |
900 | // and do enumerate all the default boot options. But in development system board, the boot mode\r | |
901 | // cannot be BOOT_ASSUMING_NO_CONFIGURATION_CHANGES because the machine box\r | |
902 | // is always open. So the following code only do the ConnectAll and EnumerateAll at first boot.\r | |
903 | //\r | |
904 | Status = BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");\r | |
905 | if (EFI_ERROR(Status)) {\r | |
906 | //\r | |
907 | // If cannot find "BootOrder" variable, it may be first boot.\r | |
908 | // Try to connect all devices and enumerate all boot options here.\r | |
909 | //\r | |
910 | BdsLibConnectAll ();\r | |
911 | BdsLibEnumerateAllBootOption (BootOptionList);\r | |
912 | }\r | |
913 | \r | |
914 | //\r | |
915 | // To give the User a chance to enter Setup here, if user set TimeOut is 0.\r | |
916 | // BDS should still give user a chance to enter Setup\r | |
917 | //\r | |
918 | // Connect first boot option, and then check user input before exit\r | |
919 | //\r | |
920 | for (Link = BootOptionList->ForwardLink; Link != BootOptionList;Link = Link->ForwardLink) {\r | |
921 | BootOption = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);\r | |
922 | if (!IS_LOAD_OPTION_TYPE (BootOption->Attribute, LOAD_OPTION_ACTIVE)) {\r | |
923 | //\r | |
924 | // skip the header of the link list, becuase it has no boot option\r | |
925 | //\r | |
926 | continue;\r | |
927 | } else {\r | |
928 | //\r | |
929 | // Make sure the boot option device path connected, but ignore the BBS device path\r | |
930 | //\r | |
931 | if (DevicePathType (BootOption->DevicePath) != BBS_DEVICE_PATH) {\r | |
932 | BdsLibConnectDevicePath (BootOption->DevicePath);\r | |
933 | }\r | |
934 | break;\r | |
935 | }\r | |
936 | }\r | |
937 | \r | |
938 | //\r | |
939 | // Check whether the user input after the duration time has expired\r | |
940 | //\r | |
941 | OldTpl = EfiGetCurrentTpl();\r | |
942 | gBS->RestoreTPL (TPL_APPLICATION);\r | |
943 | gBS->WaitForEvent (1, &UserInputDurationTime, &Index);\r | |
944 | gBS->CloseEvent (UserInputDurationTime);\r | |
945 | Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);\r | |
946 | gBS->RaiseTPL (OldTpl);\r | |
947 | \r | |
948 | if (!EFI_ERROR (Status)) {\r | |
949 | //\r | |
950 | // Enter Setup if user input\r | |
951 | //\r | |
952 | Timeout = 0xffff;\r | |
953 | PlatformBdsEnterFrontPage (Timeout, FALSE);\r | |
954 | }\r | |
955 | \r | |
956 | return ;\r | |
957 | }\r | |
958 | \r | |
959 | VOID\r | |
960 | EFIAPI\r | |
961 | PlatformBdsBootSuccess (\r | |
962 | IN BDS_COMMON_OPTION *Option\r | |
963 | )\r | |
964 | /*++\r | |
965 | \r | |
966 | Routine Description:\r | |
967 | \r | |
968 | Hook point after a boot attempt succeeds. We don't expect a boot option to\r | |
969 | return, so the EFI 1.0 specification defines that you will default to an\r | |
970 | interactive mode and stop processing the BootOrder list in this case. This\r | |
971 | is alos a platform implementation and can be customized by IBV/OEM.\r | |
972 | \r | |
973 | Arguments:\r | |
974 | \r | |
975 | Option - Pointer to Boot Option that succeeded to boot.\r | |
976 | \r | |
977 | Returns:\r | |
978 | \r | |
979 | None.\r | |
980 | \r | |
981 | --*/\r | |
982 | {\r | |
983 | CHAR16 *TmpStr;\r | |
984 | \r | |
985 | DEBUG ((EFI_D_INFO, "PlatformBdsBootSuccess\n"));\r | |
986 | //\r | |
987 | // If Boot returned with EFI_SUCCESS and there is not in the boot device\r | |
988 | // select loop then we need to pop up a UI and wait for user input.\r | |
989 | //\r | |
990 | TmpStr = Option->StatusString;\r | |
991 | if (TmpStr != NULL) {\r | |
992 | BdsLibOutputStrings (gST->ConOut, TmpStr, Option->Description, L"\n\r", NULL);\r | |
993 | FreePool (TmpStr);\r | |
994 | }\r | |
995 | }\r | |
996 | \r | |
997 | VOID\r | |
998 | EFIAPI\r | |
999 | PlatformBdsBootFail (\r | |
1000 | IN BDS_COMMON_OPTION *Option,\r | |
1001 | IN EFI_STATUS Status,\r | |
1002 | IN CHAR16 *ExitData,\r | |
1003 | IN UINTN ExitDataSize\r | |
1004 | )\r | |
1005 | /*++\r | |
1006 | \r | |
1007 | Routine Description:\r | |
1008 | \r | |
1009 | Hook point after a boot attempt fails.\r | |
1010 | \r | |
1011 | Arguments:\r | |
1012 | \r | |
1013 | Option - Pointer to Boot Option that failed to boot.\r | |
1014 | \r | |
1015 | Status - Status returned from failed boot.\r | |
1016 | \r | |
1017 | ExitData - Exit data returned from failed boot.\r | |
1018 | \r | |
1019 | ExitDataSize - Exit data size returned from failed boot.\r | |
1020 | \r | |
1021 | Returns:\r | |
1022 | \r | |
1023 | None.\r | |
1024 | \r | |
1025 | --*/\r | |
1026 | {\r | |
1027 | CHAR16 *TmpStr;\r | |
1028 | \r | |
1029 | DEBUG ((EFI_D_INFO, "PlatformBdsBootFail\n"));\r | |
1030 | \r | |
1031 | //\r | |
1032 | // If Boot returned with failed status then we need to pop up a UI and wait\r | |
1033 | // for user input.\r | |
1034 | //\r | |
1035 | TmpStr = Option->StatusString;\r | |
1036 | if (TmpStr != NULL) {\r | |
1037 | BdsLibOutputStrings (gST->ConOut, TmpStr, Option->Description, L"\n\r", NULL);\r | |
1038 | FreePool (TmpStr);\r | |
1039 | }\r | |
1040 | }\r | |
1041 | \r | |
1042 | EFI_STATUS\r | |
1043 | PlatformBdsNoConsoleAction (\r | |
1044 | VOID\r | |
1045 | )\r | |
1046 | /*++\r | |
1047 | \r | |
1048 | Routine Description:\r | |
1049 | \r | |
1050 | This function is remained for IBV/OEM to do some platform action,\r | |
1051 | if there no console device can be connected.\r | |
1052 | \r | |
1053 | Arguments:\r | |
1054 | \r | |
1055 | None.\r | |
1056 | \r | |
1057 | Returns:\r | |
1058 | \r | |
1059 | EFI_SUCCESS - Direct return success now.\r | |
1060 | \r | |
1061 | --*/\r | |
1062 | {\r | |
1063 | DEBUG ((EFI_D_INFO, "PlatformBdsNoConsoleAction\n"));\r | |
1064 | return EFI_SUCCESS;\r | |
1065 | }\r | |
1066 | \r | |
1067 | EFI_STATUS\r | |
1068 | EFIAPI\r | |
1069 | PlatformBdsLockNonUpdatableFlash (\r | |
1070 | VOID\r | |
1071 | )\r | |
1072 | {\r | |
1073 | DEBUG ((EFI_D_INFO, "PlatformBdsLockNonUpdatableFlash\n"));\r | |
1074 | return EFI_SUCCESS;\r | |
1075 | }\r | |
1076 | \r | |
1077 | \r | |
1078 | /**\r | |
1079 | This notification function is invoked when an instance of the\r | |
1080 | EFI_DEVICE_PATH_PROTOCOL is produced.\r | |
1081 | \r | |
1082 | @param Event The event that occured\r | |
1083 | @param Context For EFI compatiblity. Not used.\r | |
1084 | \r | |
1085 | **/\r | |
1086 | VOID\r | |
1087 | EFIAPI\r | |
1088 | NotifyDevPath (\r | |
1089 | IN EFI_EVENT Event,\r | |
1090 | IN VOID *Context\r | |
1091 | )\r | |
1092 | {\r | |
1093 | EFI_HANDLE Handle;\r | |
1094 | EFI_STATUS Status;\r | |
1095 | UINTN BufferSize;\r | |
1096 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1097 | ATAPI_DEVICE_PATH *Atapi;\r | |
1098 | \r | |
1099 | //\r | |
1100 | // Examine all new handles\r | |
1101 | //\r | |
1102 | for (;;) {\r | |
1103 | //\r | |
1104 | // Get the next handle\r | |
1105 | //\r | |
1106 | BufferSize = sizeof (Handle);\r | |
1107 | Status = gBS->LocateHandle (\r | |
1108 | ByRegisterNotify,\r | |
1109 | NULL,\r | |
1110 | mEfiDevPathNotifyReg,\r | |
1111 | &BufferSize,\r | |
1112 | &Handle\r | |
1113 | );\r | |
1114 | \r | |
1115 | //\r | |
1116 | // If not found, we're done\r | |
1117 | //\r | |
1118 | if (EFI_NOT_FOUND == Status) {\r | |
1119 | break;\r | |
1120 | }\r | |
1121 | \r | |
1122 | if (EFI_ERROR (Status)) {\r | |
1123 | continue;\r | |
1124 | }\r | |
1125 | \r | |
1126 | //\r | |
1127 | // Get the DevicePath protocol on that handle\r | |
1128 | //\r | |
1129 | Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevPathNode);\r | |
1130 | ASSERT_EFI_ERROR (Status);\r | |
1131 | \r | |
1132 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1133 | //\r | |
1134 | // Find the handler to dump this device path node\r | |
1135 | //\r | |
1136 | if (\r | |
1137 | (DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&\r | |
1138 | (DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)\r | |
1139 | ) {\r | |
1140 | Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;\r | |
1141 | PciOr16 (\r | |
1142 | PCI_LIB_ADDRESS (\r | |
1143 | 0,\r | |
1144 | 1,\r | |
1145 | 1,\r | |
1146 | (Atapi->PrimarySecondary == 1) ? 0x42: 0x40\r | |
1147 | ),\r | |
1148 | BIT15\r | |
1149 | );\r | |
1150 | }\r | |
1151 | \r | |
1152 | //\r | |
1153 | // Next device path node\r | |
1154 | //\r | |
1155 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1156 | }\r | |
1157 | }\r | |
1158 | \r | |
1159 | return;\r | |
1160 | }\r | |
1161 | \r | |
1162 | \r | |
1163 | VOID\r | |
1164 | InstallDevicePathCallback (\r | |
1165 | VOID\r | |
1166 | )\r | |
1167 | {\r | |
1168 | DEBUG ((EFI_D_INFO, "Registered NotifyDevPath Event\n"));\r | |
1169 | mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (\r | |
1170 | &gEfiDevicePathProtocolGuid,\r | |
1171 | TPL_CALLBACK,\r | |
1172 | NotifyDevPath,\r | |
1173 | NULL,\r | |
1174 | &mEfiDevPathNotifyReg\r | |
1175 | );\r | |
1176 | }\r | |
1177 | \r |