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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 | |
6ecdda71 | 421 | //\r |
b8675dea SB |
422 | // We need to connect all trusted consoles for TCG PP. Here we treat all\r |
423 | // consoles in OVMF to be trusted consoles.\r | |
6ecdda71 SB |
424 | //\r |
425 | // Cloud Hypervisor doesn't emulate any LPC bridge, which is why it must\r | |
426 | // rely on the serial I/O port to be connected as a console. It reuses the\r | |
427 | // definition from Xen as it is very generic.\r | |
428 | //\r | |
b8675dea | 429 | PlatformInitializeConsole (\r |
6ecdda71 | 430 | (XenDetected () || PcdGet16 (PcdOvmfHostBridgePciDevId) == CLOUDHV_DEVICE_ID) ? gXenPlatformConsole : gPlatformConsole\r |
ac0a286f | 431 | );\r |
b8675dea SB |
432 | \r |
433 | //\r | |
434 | // Process TPM PPI request; this may require keyboard input\r | |
435 | //\r | |
436 | Tcg2PhysicalPresenceLibProcessRequest (NULL);\r | |
437 | \r | |
30541881 RN |
438 | //\r |
439 | // Prevent further changes to LockBoxes or SMRAM.\r | |
b8675dea | 440 | // Any TPM 2 Physical Presence Interface opcode must be handled before.\r |
30541881 RN |
441 | //\r |
442 | Handle = NULL;\r | |
ac0a286f MK |
443 | Status = gBS->InstallProtocolInterface (\r |
444 | &Handle,\r | |
445 | &gEfiDxeSmmReadyToLockProtocolGuid,\r | |
446 | EFI_NATIVE_INTERFACE,\r | |
447 | NULL\r | |
448 | );\r | |
30541881 | 449 | ASSERT_EFI_ERROR (Status);\r |
e9e9ad64 | 450 | \r |
9789894e | 451 | //\r |
18064510 LE |
452 | // Dispatch deferred images after EndOfDxe event and ReadyToLock\r |
453 | // installation.\r | |
9789894e RN |
454 | //\r |
455 | EfiBootManagerDispatchDeferredImages ();\r | |
456 | \r | |
ee1f8262 SB |
457 | //\r |
458 | // GPU passthrough only allows Console enablement after ROM image load\r | |
459 | //\r | |
460 | PlatformInitializeConsole (\r | |
461 | XenDetected () ? gXenPlatformConsole : gPlatformConsole\r | |
462 | );\r | |
463 | \r | |
9b08c655 | 464 | FrontPageTimeout = GetFrontPageTimeoutFromQemu ();\r |
ac0a286f | 465 | PcdStatus = PcdSet16S (PcdPlatformBootTimeOut, FrontPageTimeout);\r |
579afd6b | 466 | ASSERT_RETURN_ERROR (PcdStatus);\r |
9b08c655 LE |
467 | //\r |
468 | // Reflect the PCD in the standard Timeout variable.\r | |
469 | //\r | |
470 | Status = gRT->SetVariable (\r | |
471 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
472 | &gEfiGlobalVariableGuid,\r | |
473 | (EFI_VARIABLE_NON_VOLATILE |\r | |
474 | EFI_VARIABLE_BOOTSERVICE_ACCESS |\r | |
475 | EFI_VARIABLE_RUNTIME_ACCESS),\r | |
476 | sizeof FrontPageTimeout,\r | |
477 | &FrontPageTimeout\r | |
478 | );\r | |
479 | DEBUG ((\r | |
480 | EFI_ERROR (Status) ? DEBUG_ERROR : DEBUG_VERBOSE,\r | |
481 | "%a: SetVariable(%s, %u): %r\n",\r | |
482 | __FUNCTION__,\r | |
483 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
484 | FrontPageTimeout,\r | |
485 | Status\r | |
486 | ));\r | |
07dd96e8 RN |
487 | \r |
488 | PlatformRegisterOptionsAndKeys ();\r | |
7ebad830 LE |
489 | \r |
490 | //\r | |
491 | // Install both VIRTIO_DEVICE_PROTOCOL and (dependent) EFI_RNG_PROTOCOL\r | |
492 | // instances on Virtio PCI RNG devices.\r | |
493 | //\r | |
ac0a286f MK |
494 | VisitAllInstancesOfProtocol (\r |
495 | &gEfiPciIoProtocolGuid,\r | |
496 | ConnectVirtioPciRng,\r | |
497 | NULL\r | |
498 | );\r | |
30541881 RN |
499 | }\r |
500 | \r | |
30541881 RN |
501 | EFI_STATUS\r |
502 | EFIAPI\r | |
503 | ConnectRootBridge (\r | |
504 | IN EFI_HANDLE RootBridgeHandle,\r | |
505 | IN VOID *Instance,\r | |
506 | IN VOID *Context\r | |
507 | )\r | |
508 | {\r | |
ac0a286f | 509 | EFI_STATUS Status;\r |
30541881 RN |
510 | \r |
511 | //\r | |
512 | // Make the PCI bus driver connect the root bridge, non-recursively. This\r | |
513 | // will produce a number of child handles with PciIo on them.\r | |
514 | //\r | |
515 | Status = gBS->ConnectController (\r | |
516 | RootBridgeHandle, // ControllerHandle\r | |
517 | NULL, // DriverImageHandle\r | |
518 | NULL, // RemainingDevicePath -- produce all\r | |
519 | // children\r | |
520 | FALSE // Recursive\r | |
521 | );\r | |
522 | return Status;\r | |
523 | }\r | |
524 | \r | |
7ebad830 LE |
525 | STATIC\r |
526 | EFI_STATUS\r | |
527 | EFIAPI\r | |
528 | ConnectVirtioPciRng (\r | |
ac0a286f MK |
529 | IN EFI_HANDLE Handle,\r |
530 | IN VOID *Instance,\r | |
531 | IN VOID *Context\r | |
7ebad830 LE |
532 | )\r |
533 | {\r | |
ac0a286f MK |
534 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
535 | EFI_STATUS Status;\r | |
536 | UINT16 VendorId;\r | |
537 | UINT16 DeviceId;\r | |
538 | UINT8 RevisionId;\r | |
539 | BOOLEAN Virtio10;\r | |
540 | UINT16 SubsystemId;\r | |
7ebad830 LE |
541 | \r |
542 | PciIo = Instance;\r | |
543 | \r | |
544 | //\r | |
545 | // Read and check VendorId.\r | |
546 | //\r | |
ac0a286f MK |
547 | Status = PciIo->Pci.Read (\r |
548 | PciIo,\r | |
549 | EfiPciIoWidthUint16,\r | |
550 | PCI_VENDOR_ID_OFFSET,\r | |
551 | 1,\r | |
552 | &VendorId\r | |
553 | );\r | |
7ebad830 LE |
554 | if (EFI_ERROR (Status)) {\r |
555 | goto Error;\r | |
556 | }\r | |
ac0a286f | 557 | \r |
7ebad830 LE |
558 | if (VendorId != VIRTIO_VENDOR_ID) {\r |
559 | return EFI_SUCCESS;\r | |
560 | }\r | |
561 | \r | |
562 | //\r | |
563 | // Read DeviceId and RevisionId.\r | |
564 | //\r | |
ac0a286f MK |
565 | Status = PciIo->Pci.Read (\r |
566 | PciIo,\r | |
567 | EfiPciIoWidthUint16,\r | |
568 | PCI_DEVICE_ID_OFFSET,\r | |
569 | 1,\r | |
570 | &DeviceId\r | |
571 | );\r | |
7ebad830 LE |
572 | if (EFI_ERROR (Status)) {\r |
573 | goto Error;\r | |
574 | }\r | |
ac0a286f MK |
575 | \r |
576 | Status = PciIo->Pci.Read (\r | |
577 | PciIo,\r | |
578 | EfiPciIoWidthUint8,\r | |
579 | PCI_REVISION_ID_OFFSET,\r | |
580 | 1,\r | |
581 | &RevisionId\r | |
582 | );\r | |
7ebad830 LE |
583 | if (EFI_ERROR (Status)) {\r |
584 | goto Error;\r | |
585 | }\r | |
586 | \r | |
587 | //\r | |
588 | // From DeviceId and RevisionId, determine whether the device is a\r | |
589 | // modern-only Virtio 1.0 device. In case of Virtio 1.0, DeviceId can\r | |
590 | // immediately be restricted to VIRTIO_SUBSYSTEM_ENTROPY_SOURCE, and\r | |
591 | // SubsystemId will only play a sanity-check role. Otherwise, DeviceId can\r | |
592 | // only be sanity-checked, and SubsystemId will decide.\r | |
593 | //\r | |
ac0a286f MK |
594 | if ((DeviceId == 0x1040 + VIRTIO_SUBSYSTEM_ENTROPY_SOURCE) &&\r |
595 | (RevisionId >= 0x01))\r | |
596 | {\r | |
7ebad830 | 597 | Virtio10 = TRUE;\r |
ac0a286f | 598 | } else if ((DeviceId >= 0x1000) && (DeviceId <= 0x103F) && (RevisionId == 0x00)) {\r |
7ebad830 LE |
599 | Virtio10 = FALSE;\r |
600 | } else {\r | |
601 | return EFI_SUCCESS;\r | |
602 | }\r | |
603 | \r | |
604 | //\r | |
605 | // Read and check SubsystemId as dictated by Virtio10.\r | |
606 | //\r | |
ac0a286f MK |
607 | Status = PciIo->Pci.Read (\r |
608 | PciIo,\r | |
609 | EfiPciIoWidthUint16,\r | |
610 | PCI_SUBSYSTEM_ID_OFFSET,\r | |
611 | 1,\r | |
612 | &SubsystemId\r | |
613 | );\r | |
7ebad830 LE |
614 | if (EFI_ERROR (Status)) {\r |
615 | goto Error;\r | |
616 | }\r | |
ac0a286f MK |
617 | \r |
618 | if ((Virtio10 && (SubsystemId >= 0x40)) ||\r | |
619 | (!Virtio10 && (SubsystemId == VIRTIO_SUBSYSTEM_ENTROPY_SOURCE)))\r | |
620 | {\r | |
7ebad830 LE |
621 | Status = gBS->ConnectController (\r |
622 | Handle, // ControllerHandle\r | |
623 | NULL, // DriverImageHandle -- connect all drivers\r | |
624 | NULL, // RemainingDevicePath -- produce all child handles\r | |
625 | FALSE // Recursive -- don't follow child handles\r | |
626 | );\r | |
627 | if (EFI_ERROR (Status)) {\r | |
628 | goto Error;\r | |
629 | }\r | |
630 | }\r | |
ac0a286f | 631 | \r |
7ebad830 LE |
632 | return EFI_SUCCESS;\r |
633 | \r | |
634 | Error:\r | |
635 | DEBUG ((DEBUG_ERROR, "%a: %r\n", __FUNCTION__, Status));\r | |
636 | return Status;\r | |
637 | }\r | |
638 | \r | |
fe1b9e8e LE |
639 | /**\r |
640 | Add IsaKeyboard to ConIn; add IsaSerial to ConOut, ConIn, ErrOut.\r | |
641 | \r | |
642 | @param[in] DeviceHandle Handle of the LPC Bridge device.\r | |
643 | \r | |
644 | @retval EFI_SUCCESS Console devices on the LPC bridge have been added to\r | |
645 | ConOut, ConIn, and ErrOut.\r | |
646 | \r | |
647 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
648 | from DeviceHandle.\r | |
649 | **/\r | |
30541881 RN |
650 | EFI_STATUS\r |
651 | PrepareLpcBridgeDevicePath (\r | |
ac0a286f | 652 | IN EFI_HANDLE DeviceHandle\r |
30541881 | 653 | )\r |
30541881 RN |
654 | {\r |
655 | EFI_STATUS Status;\r | |
656 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
657 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
658 | CHAR16 *DevPathStr;\r | |
659 | \r | |
660 | DevicePath = NULL;\r | |
ac0a286f MK |
661 | Status = gBS->HandleProtocol (\r |
662 | DeviceHandle,\r | |
663 | &gEfiDevicePathProtocolGuid,\r | |
664 | (VOID *)&DevicePath\r | |
665 | );\r | |
30541881 RN |
666 | if (EFI_ERROR (Status)) {\r |
667 | return Status;\r | |
668 | }\r | |
ac0a286f | 669 | \r |
30541881 RN |
670 | TempDevicePath = DevicePath;\r |
671 | \r | |
672 | //\r | |
673 | // Register Keyboard\r | |
674 | //\r | |
ac0a286f MK |
675 | DevicePath = AppendDevicePathNode (\r |
676 | DevicePath,\r | |
677 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode\r | |
678 | );\r | |
30541881 | 679 | \r |
9dc08ec6 | 680 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r |
30541881 RN |
681 | \r |
682 | //\r | |
683 | // Register COM1\r | |
684 | //\r | |
ac0a286f | 685 | DevicePath = TempDevicePath;\r |
30541881 RN |
686 | gPnp16550ComPortDeviceNode.UID = 0;\r |
687 | \r | |
ac0a286f MK |
688 | DevicePath = AppendDevicePathNode (\r |
689 | DevicePath,\r | |
690 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode\r | |
691 | );\r | |
692 | DevicePath = AppendDevicePathNode (\r | |
693 | DevicePath,\r | |
694 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
695 | );\r | |
696 | DevicePath = AppendDevicePathNode (\r | |
697 | DevicePath,\r | |
698 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
699 | );\r | |
30541881 RN |
700 | \r |
701 | //\r | |
702 | // Print Device Path\r | |
703 | //\r | |
77f47588 | 704 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 | 705 | if (DevPathStr != NULL) {\r |
ac0a286f | 706 | DEBUG ((\r |
70d5086c | 707 | DEBUG_INFO,\r |
30541881 | 708 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r |
fd42dcb1 | 709 | DEBUG_LINE_NUMBER,\r |
30541881 RN |
710 | gPnp16550ComPortDeviceNode.UID + 1,\r |
711 | DevPathStr\r | |
712 | ));\r | |
ac0a286f | 713 | FreePool (DevPathStr);\r |
30541881 RN |
714 | }\r |
715 | \r | |
9dc08ec6 RN |
716 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
717 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
718 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
719 | \r |
720 | //\r | |
721 | // Register COM2\r | |
722 | //\r | |
ac0a286f | 723 | DevicePath = TempDevicePath;\r |
30541881 RN |
724 | gPnp16550ComPortDeviceNode.UID = 1;\r |
725 | \r | |
ac0a286f MK |
726 | DevicePath = AppendDevicePathNode (\r |
727 | DevicePath,\r | |
728 | (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode\r | |
729 | );\r | |
730 | DevicePath = AppendDevicePathNode (\r | |
731 | DevicePath,\r | |
732 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
733 | );\r | |
734 | DevicePath = AppendDevicePathNode (\r | |
735 | DevicePath,\r | |
736 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
737 | );\r | |
30541881 RN |
738 | \r |
739 | //\r | |
740 | // Print Device Path\r | |
741 | //\r | |
77f47588 | 742 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 | 743 | if (DevPathStr != NULL) {\r |
ac0a286f | 744 | DEBUG ((\r |
70d5086c | 745 | DEBUG_INFO,\r |
30541881 | 746 | "BdsPlatform.c+%d: COM%d DevPath: %s\n",\r |
fd42dcb1 | 747 | DEBUG_LINE_NUMBER,\r |
30541881 RN |
748 | gPnp16550ComPortDeviceNode.UID + 1,\r |
749 | DevPathStr\r | |
750 | ));\r | |
ac0a286f | 751 | FreePool (DevPathStr);\r |
30541881 RN |
752 | }\r |
753 | \r | |
9dc08ec6 RN |
754 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
755 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
756 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
757 | \r |
758 | return EFI_SUCCESS;\r | |
759 | }\r | |
760 | \r | |
55f47d22 | 761 | typedef struct {\r |
ac0a286f MK |
762 | VENDOR_DEVICE_PATH Guid;\r |
763 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
55f47d22 GH |
764 | } SERIAL_DEVICE_PATH;\r |
765 | \r | |
ac0a286f | 766 | SERIAL_DEVICE_PATH serialDevicePath = {\r |
55f47d22 | 767 | {\r |
ac0a286f MK |
768 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, { sizeof (VENDOR_DEVICE_PATH), 0 }\r |
769 | },\r | |
55f47d22 GH |
770 | EDKII_SERIAL_PORT_LIB_VENDOR_GUID\r |
771 | },\r | |
ac0a286f MK |
772 | { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0 }\r |
773 | }\r | |
55f47d22 GH |
774 | };\r |
775 | \r | |
776 | VOID\r | |
777 | PrepareMicrovmDevicePath (\r | |
778 | VOID\r | |
779 | )\r | |
780 | {\r | |
781 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
782 | UINT16 HostBridgeDevId;\r | |
783 | \r | |
784 | HostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
785 | if (HostBridgeDevId != MICROVM_PSEUDO_DEVICE_ID) {\r | |
786 | return;\r | |
787 | }\r | |
788 | \r | |
ac0a286f MK |
789 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)&serialDevicePath;\r |
790 | DevicePath = AppendDevicePathNode (\r | |
791 | DevicePath,\r | |
792 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
793 | );\r | |
794 | DevicePath = AppendDevicePathNode (\r | |
795 | DevicePath,\r | |
796 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
797 | );\r | |
55f47d22 GH |
798 | \r |
799 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
800 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
801 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
802 | }\r | |
803 | \r | |
30541881 RN |
804 | EFI_STATUS\r |
805 | GetGopDevicePath (\r | |
ac0a286f MK |
806 | IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,\r |
807 | OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath\r | |
808 | )\r | |
30541881 | 809 | {\r |
ac0a286f MK |
810 | UINTN Index;\r |
811 | EFI_STATUS Status;\r | |
812 | EFI_HANDLE PciDeviceHandle;\r | |
813 | EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;\r | |
814 | EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;\r | |
815 | UINTN GopHandleCount;\r | |
816 | EFI_HANDLE *GopHandleBuffer;\r | |
817 | \r | |
818 | if ((PciDevicePath == NULL) || (GopDevicePath == NULL)) {\r | |
30541881 RN |
819 | return EFI_INVALID_PARAMETER;\r |
820 | }\r | |
821 | \r | |
822 | //\r | |
823 | // Initialize the GopDevicePath to be PciDevicePath\r | |
824 | //\r | |
825 | *GopDevicePath = PciDevicePath;\r | |
826 | TempPciDevicePath = PciDevicePath;\r | |
827 | \r | |
828 | Status = gBS->LocateDevicePath (\r | |
829 | &gEfiDevicePathProtocolGuid,\r | |
830 | &TempPciDevicePath,\r | |
831 | &PciDeviceHandle\r | |
832 | );\r | |
833 | if (EFI_ERROR (Status)) {\r | |
834 | return Status;\r | |
835 | }\r | |
836 | \r | |
837 | //\r | |
f17c0ab6 | 838 | // Try to connect this handle, so that GOP driver could start on this\r |
30541881 RN |
839 | // device and create child handles with GraphicsOutput Protocol installed\r |
840 | // on them, then we get device paths of these child handles and select\r | |
841 | // them as possible console device.\r | |
842 | //\r | |
843 | gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);\r | |
844 | \r | |
845 | Status = gBS->LocateHandleBuffer (\r | |
846 | ByProtocol,\r | |
847 | &gEfiGraphicsOutputProtocolGuid,\r | |
848 | NULL,\r | |
849 | &GopHandleCount,\r | |
850 | &GopHandleBuffer\r | |
851 | );\r | |
852 | if (!EFI_ERROR (Status)) {\r | |
853 | //\r | |
854 | // Add all the child handles as possible Console Device\r | |
855 | //\r | |
856 | for (Index = 0; Index < GopHandleCount; Index++) {\r | |
ac0a286f MK |
857 | Status = gBS->HandleProtocol (\r |
858 | GopHandleBuffer[Index],\r | |
859 | &gEfiDevicePathProtocolGuid,\r | |
860 | (VOID *)&TempDevicePath\r | |
861 | );\r | |
30541881 RN |
862 | if (EFI_ERROR (Status)) {\r |
863 | continue;\r | |
864 | }\r | |
ac0a286f | 865 | \r |
30541881 RN |
866 | if (CompareMem (\r |
867 | PciDevicePath,\r | |
868 | TempDevicePath,\r | |
869 | GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH\r | |
ac0a286f MK |
870 | ) == 0)\r |
871 | {\r | |
30541881 RN |
872 | //\r |
873 | // In current implementation, we only enable one of the child handles\r | |
874 | // as console device, i.e. sotre one of the child handle's device\r | |
875 | // path to variable "ConOut"\r | |
f17c0ab6 | 876 | // In future, we could select all child handles to be console device\r |
30541881 RN |
877 | //\r |
878 | \r | |
879 | *GopDevicePath = TempDevicePath;\r | |
880 | \r | |
881 | //\r | |
18064510 LE |
882 | // Delete the PCI device's path that added by\r |
883 | // GetPlugInPciVgaDevicePath(). Add the integrity GOP device path.\r | |
30541881 | 884 | //\r |
9dc08ec6 RN |
885 | EfiBootManagerUpdateConsoleVariable (ConOutDev, NULL, PciDevicePath);\r |
886 | EfiBootManagerUpdateConsoleVariable (ConOutDev, TempDevicePath, NULL);\r | |
30541881 RN |
887 | }\r |
888 | }\r | |
ac0a286f | 889 | \r |
30541881 RN |
890 | gBS->FreePool (GopHandleBuffer);\r |
891 | }\r | |
892 | \r | |
893 | return EFI_SUCCESS;\r | |
894 | }\r | |
895 | \r | |
fe1b9e8e LE |
896 | /**\r |
897 | Add PCI display to ConOut.\r | |
898 | \r | |
899 | @param[in] DeviceHandle Handle of the PCI display device.\r | |
900 | \r | |
901 | @retval EFI_SUCCESS The PCI display device has been added to ConOut.\r | |
902 | \r | |
903 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r | |
904 | from DeviceHandle.\r | |
905 | **/\r | |
30541881 | 906 | EFI_STATUS\r |
4fdb585c | 907 | PreparePciDisplayDevicePath (\r |
ac0a286f | 908 | IN EFI_HANDLE DeviceHandle\r |
30541881 | 909 | )\r |
30541881 RN |
910 | {\r |
911 | EFI_STATUS Status;\r | |
912 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
913 | EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;\r | |
914 | \r | |
915 | DevicePath = NULL;\r | |
916 | GopDevicePath = NULL;\r | |
ac0a286f MK |
917 | Status = gBS->HandleProtocol (\r |
918 | DeviceHandle,\r | |
919 | &gEfiDevicePathProtocolGuid,\r | |
920 | (VOID *)&DevicePath\r | |
921 | );\r | |
30541881 RN |
922 | if (EFI_ERROR (Status)) {\r |
923 | return Status;\r | |
924 | }\r | |
925 | \r | |
926 | GetGopDevicePath (DevicePath, &GopDevicePath);\r | |
927 | DevicePath = GopDevicePath;\r | |
928 | \r | |
9dc08ec6 | 929 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
30541881 RN |
930 | \r |
931 | return EFI_SUCCESS;\r | |
932 | }\r | |
933 | \r | |
fe1b9e8e | 934 | /**\r |
30541881 | 935 | Add PCI Serial to ConOut, ConIn, ErrOut.\r |
30541881 | 936 | \r |
fe1b9e8e | 937 | @param[in] DeviceHandle Handle of the PCI serial device.\r |
30541881 | 938 | \r |
fe1b9e8e LE |
939 | @retval EFI_SUCCESS The PCI serial device has been added to ConOut, ConIn,\r |
940 | ErrOut.\r | |
30541881 | 941 | \r |
fe1b9e8e LE |
942 | @return Error codes, due to EFI_DEVICE_PATH_PROTOCOL missing\r |
943 | from DeviceHandle.\r | |
944 | **/\r | |
945 | EFI_STATUS\r | |
946 | PreparePciSerialDevicePath (\r | |
ac0a286f | 947 | IN EFI_HANDLE DeviceHandle\r |
fe1b9e8e | 948 | )\r |
30541881 RN |
949 | {\r |
950 | EFI_STATUS Status;\r | |
951 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
952 | \r | |
953 | DevicePath = NULL;\r | |
ac0a286f MK |
954 | Status = gBS->HandleProtocol (\r |
955 | DeviceHandle,\r | |
956 | &gEfiDevicePathProtocolGuid,\r | |
957 | (VOID *)&DevicePath\r | |
958 | );\r | |
30541881 RN |
959 | if (EFI_ERROR (Status)) {\r |
960 | return Status;\r | |
961 | }\r | |
962 | \r | |
ac0a286f MK |
963 | DevicePath = AppendDevicePathNode (\r |
964 | DevicePath,\r | |
965 | (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode\r | |
966 | );\r | |
967 | DevicePath = AppendDevicePathNode (\r | |
968 | DevicePath,\r | |
969 | (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode\r | |
970 | );\r | |
30541881 | 971 | \r |
9dc08ec6 RN |
972 | EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r |
973 | EfiBootManagerUpdateConsoleVariable (ConIn, DevicePath, NULL);\r | |
974 | EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
30541881 RN |
975 | \r |
976 | return EFI_SUCCESS;\r | |
977 | }\r | |
978 | \r | |
979 | EFI_STATUS\r | |
980 | VisitAllInstancesOfProtocol (\r | |
981 | IN EFI_GUID *Id,\r | |
982 | IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,\r | |
983 | IN VOID *Context\r | |
984 | )\r | |
985 | {\r | |
ac0a286f MK |
986 | EFI_STATUS Status;\r |
987 | UINTN HandleCount;\r | |
988 | EFI_HANDLE *HandleBuffer;\r | |
989 | UINTN Index;\r | |
990 | VOID *Instance;\r | |
30541881 RN |
991 | \r |
992 | //\r | |
993 | // Start to check all the PciIo to find all possible device\r | |
994 | //\r | |
ac0a286f | 995 | HandleCount = 0;\r |
30541881 | 996 | HandleBuffer = NULL;\r |
ac0a286f MK |
997 | Status = gBS->LocateHandleBuffer (\r |
998 | ByProtocol,\r | |
999 | Id,\r | |
1000 | NULL,\r | |
1001 | &HandleCount,\r | |
1002 | &HandleBuffer\r | |
1003 | );\r | |
30541881 RN |
1004 | if (EFI_ERROR (Status)) {\r |
1005 | return Status;\r | |
1006 | }\r | |
1007 | \r | |
1008 | for (Index = 0; Index < HandleCount; Index++) {\r | |
1009 | Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);\r | |
1010 | if (EFI_ERROR (Status)) {\r | |
1011 | continue;\r | |
1012 | }\r | |
1013 | \r | |
ac0a286f MK |
1014 | Status = (*CallBackFunction)(\r |
1015 | HandleBuffer[Index],\r | |
1016 | Instance,\r | |
1017 | Context\r | |
1018 | );\r | |
30541881 RN |
1019 | }\r |
1020 | \r | |
1021 | gBS->FreePool (HandleBuffer);\r | |
1022 | \r | |
1023 | return EFI_SUCCESS;\r | |
1024 | }\r | |
1025 | \r | |
30541881 RN |
1026 | EFI_STATUS\r |
1027 | EFIAPI\r | |
1028 | VisitingAPciInstance (\r | |
1029 | IN EFI_HANDLE Handle,\r | |
1030 | IN VOID *Instance,\r | |
1031 | IN VOID *Context\r | |
1032 | )\r | |
1033 | {\r | |
ac0a286f MK |
1034 | EFI_STATUS Status;\r |
1035 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
1036 | PCI_TYPE00 Pci;\r | |
30541881 | 1037 | \r |
ac0a286f | 1038 | PciIo = (EFI_PCI_IO_PROTOCOL *)Instance;\r |
30541881 RN |
1039 | \r |
1040 | //\r | |
1041 | // Check for all PCI device\r | |
1042 | //\r | |
1043 | Status = PciIo->Pci.Read (\r | |
ac0a286f MK |
1044 | PciIo,\r |
1045 | EfiPciIoWidthUint32,\r | |
1046 | 0,\r | |
1047 | sizeof (Pci) / sizeof (UINT32),\r | |
1048 | &Pci\r | |
1049 | );\r | |
30541881 RN |
1050 | if (EFI_ERROR (Status)) {\r |
1051 | return Status;\r | |
1052 | }\r | |
1053 | \r | |
ac0a286f MK |
1054 | return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN)Context)(\r |
1055 | Handle,\r | |
1056 | PciIo,\r | |
1057 | &Pci\r | |
1058 | );\r | |
30541881 RN |
1059 | }\r |
1060 | \r | |
30541881 RN |
1061 | EFI_STATUS\r |
1062 | VisitAllPciInstances (\r | |
ac0a286f | 1063 | IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction\r |
30541881 RN |
1064 | )\r |
1065 | {\r | |
1066 | return VisitAllInstancesOfProtocol (\r | |
1067 | &gEfiPciIoProtocolGuid,\r | |
1068 | VisitingAPciInstance,\r | |
ac0a286f | 1069 | (VOID *)(UINTN)CallBackFunction\r |
30541881 RN |
1070 | );\r |
1071 | }\r | |
1072 | \r | |
30541881 RN |
1073 | /**\r |
1074 | Do platform specific PCI Device check and add them to\r | |
1075 | ConOut, ConIn, ErrOut.\r | |
1076 | \r | |
1077 | @param[in] Handle - Handle of PCI device instance\r | |
1078 | @param[in] PciIo - PCI IO protocol instance\r | |
1079 | @param[in] Pci - PCI Header register block\r | |
1080 | \r | |
18064510 LE |
1081 | @retval EFI_SUCCESS - PCI Device check and Console variable update\r |
1082 | successfully.\r | |
30541881 RN |
1083 | @retval EFI_STATUS - PCI Device check or Console variable update fail.\r |
1084 | \r | |
1085 | **/\r | |
1086 | EFI_STATUS\r | |
1087 | EFIAPI\r | |
1088 | DetectAndPreparePlatformPciDevicePath (\r | |
1089 | IN EFI_HANDLE Handle,\r | |
1090 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1091 | IN PCI_TYPE00 *Pci\r | |
1092 | )\r | |
1093 | {\r | |
ac0a286f | 1094 | EFI_STATUS Status;\r |
30541881 RN |
1095 | \r |
1096 | Status = PciIo->Attributes (\r | |
ac0a286f MK |
1097 | PciIo,\r |
1098 | EfiPciIoAttributeOperationEnable,\r | |
1099 | EFI_PCI_DEVICE_ENABLE,\r | |
1100 | NULL\r | |
1101 | );\r | |
30541881 RN |
1102 | ASSERT_EFI_ERROR (Status);\r |
1103 | \r | |
f803c03c LE |
1104 | //\r |
1105 | // Here we decide whether it is LPC Bridge\r | |
1106 | //\r | |
1107 | if ((IS_PCI_LPC (Pci)) ||\r | |
1108 | ((IS_PCI_ISA_PDECODE (Pci)) &&\r | |
1109 | (Pci->Hdr.VendorId == 0x8086) &&\r | |
1110 | (Pci->Hdr.DeviceId == 0x7000)\r | |
1111 | )\r | |
ac0a286f MK |
1112 | )\r |
1113 | {\r | |
30541881 | 1114 | //\r |
f803c03c LE |
1115 | // Add IsaKeyboard to ConIn,\r |
1116 | // add IsaSerial to ConOut, ConIn, ErrOut\r | |
30541881 | 1117 | //\r |
70d5086c | 1118 | DEBUG ((DEBUG_INFO, "Found LPC Bridge device\n"));\r |
f803c03c LE |
1119 | PrepareLpcBridgeDevicePath (Handle);\r |
1120 | return EFI_SUCCESS;\r | |
1121 | }\r | |
ac0a286f | 1122 | \r |
f803c03c LE |
1123 | //\r |
1124 | // Here we decide which Serial device to enable in PCI bus\r | |
1125 | //\r | |
1126 | if (IS_PCI_16550SERIAL (Pci)) {\r | |
30541881 | 1127 | //\r |
f803c03c | 1128 | // Add them to ConOut, ConIn, ErrOut.\r |
30541881 | 1129 | //\r |
70d5086c | 1130 | DEBUG ((DEBUG_INFO, "Found PCI 16550 SERIAL device\n"));\r |
f803c03c LE |
1131 | PreparePciSerialDevicePath (Handle);\r |
1132 | return EFI_SUCCESS;\r | |
30541881 RN |
1133 | }\r |
1134 | \r | |
1135 | //\r | |
4fdb585c | 1136 | // Here we decide which display device to enable in PCI bus\r |
30541881 | 1137 | //\r |
4fdb585c | 1138 | if (IS_PCI_DISPLAY (Pci)) {\r |
30541881 RN |
1139 | //\r |
1140 | // Add them to ConOut.\r | |
1141 | //\r | |
70d5086c | 1142 | DEBUG ((DEBUG_INFO, "Found PCI display device\n"));\r |
4fdb585c | 1143 | PreparePciDisplayDevicePath (Handle);\r |
30541881 RN |
1144 | return EFI_SUCCESS;\r |
1145 | }\r | |
1146 | \r | |
1147 | return Status;\r | |
1148 | }\r | |
1149 | \r | |
fe1b9e8e LE |
1150 | /**\r |
1151 | Connect the predefined platform default console device.\r | |
1152 | \r | |
1153 | Always try to find and enable PCI display devices.\r | |
1154 | \r | |
1155 | @param[in] PlatformConsole Predefined platform default console device array.\r | |
1156 | **/\r | |
e9e9ad64 RN |
1157 | VOID\r |
1158 | PlatformInitializeConsole (\r | |
ac0a286f | 1159 | IN PLATFORM_CONSOLE_CONNECT_ENTRY *PlatformConsole\r |
30541881 | 1160 | )\r |
30541881 | 1161 | {\r |
ac0a286f | 1162 | UINTN Index;\r |
30541881 RN |
1163 | \r |
1164 | //\r | |
f803c03c LE |
1165 | // Do platform specific PCI Device check and add them to ConOut, ConIn,\r |
1166 | // ErrOut\r | |
30541881 | 1167 | //\r |
f803c03c | 1168 | VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);\r |
30541881 | 1169 | \r |
55f47d22 GH |
1170 | PrepareMicrovmDevicePath ();\r |
1171 | \r | |
f803c03c LE |
1172 | //\r |
1173 | // Have chance to connect the platform default console,\r | |
1174 | // the platform default console is the minimum device group\r | |
1175 | // the platform should support\r | |
1176 | //\r | |
1177 | for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {\r | |
30541881 | 1178 | //\r |
f803c03c | 1179 | // Update the console variable with the connect type\r |
30541881 | 1180 | //\r |
f803c03c | 1181 | if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {\r |
ac0a286f MK |
1182 | EfiBootManagerUpdateConsoleVariable (\r |
1183 | ConIn,\r | |
1184 | PlatformConsole[Index].DevicePath,\r | |
1185 | NULL\r | |
1186 | );\r | |
f803c03c | 1187 | }\r |
ac0a286f | 1188 | \r |
f803c03c | 1189 | if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {\r |
ac0a286f MK |
1190 | EfiBootManagerUpdateConsoleVariable (\r |
1191 | ConOut,\r | |
1192 | PlatformConsole[Index].DevicePath,\r | |
1193 | NULL\r | |
1194 | );\r | |
f803c03c | 1195 | }\r |
ac0a286f | 1196 | \r |
f803c03c | 1197 | if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {\r |
ac0a286f MK |
1198 | EfiBootManagerUpdateConsoleVariable (\r |
1199 | ErrOut,\r | |
1200 | PlatformConsole[Index].DevicePath,\r | |
1201 | NULL\r | |
1202 | );\r | |
30541881 | 1203 | }\r |
30541881 | 1204 | }\r |
30541881 RN |
1205 | }\r |
1206 | \r | |
30541881 RN |
1207 | /**\r |
1208 | Configure PCI Interrupt Line register for applicable devices\r | |
1209 | Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()\r | |
1210 | \r | |
1211 | @param[in] Handle - Handle of PCI device instance\r | |
1212 | @param[in] PciIo - PCI IO protocol instance\r | |
1213 | @param[in] PciHdr - PCI Header register block\r | |
1214 | \r | |
1215 | @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.\r | |
1216 | \r | |
1217 | **/\r | |
1218 | EFI_STATUS\r | |
1219 | EFIAPI\r | |
1220 | SetPciIntLine (\r | |
1221 | IN EFI_HANDLE Handle,\r | |
1222 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1223 | IN PCI_TYPE00 *PciHdr\r | |
1224 | )\r | |
1225 | {\r | |
1226 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1227 | EFI_DEVICE_PATH_PROTOCOL *DevPath;\r | |
1228 | UINTN RootSlot;\r | |
1229 | UINTN Idx;\r | |
1230 | UINT8 IrqLine;\r | |
1231 | EFI_STATUS Status;\r | |
1232 | UINT32 RootBusNumber;\r | |
1233 | \r | |
1234 | Status = EFI_SUCCESS;\r | |
1235 | \r | |
1236 | if (PciHdr->Device.InterruptPin != 0) {\r | |
30541881 RN |
1237 | DevPathNode = DevicePathFromHandle (Handle);\r |
1238 | ASSERT (DevPathNode != NULL);\r | |
1239 | DevPath = DevPathNode;\r | |
1240 | \r | |
1241 | RootBusNumber = 0;\r | |
ac0a286f MK |
1242 | if ((DevicePathType (DevPathNode) == ACPI_DEVICE_PATH) &&\r |
1243 | (DevicePathSubType (DevPathNode) == ACPI_DP) &&\r | |
1244 | (((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID (0x0A03)))\r | |
1245 | {\r | |
30541881 RN |
1246 | RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;\r |
1247 | }\r | |
1248 | \r | |
1249 | //\r | |
1250 | // Compute index into PciHostIrqs[] table by walking\r | |
1251 | // the device path and adding up all device numbers\r | |
1252 | //\r | |
ac0a286f | 1253 | Status = EFI_NOT_FOUND;\r |
30541881 | 1254 | RootSlot = 0;\r |
ac0a286f | 1255 | Idx = PciHdr->Device.InterruptPin - 1;\r |
30541881 | 1256 | while (!IsDevicePathEnd (DevPathNode)) {\r |
ac0a286f MK |
1257 | if ((DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH) &&\r |
1258 | (DevicePathSubType (DevPathNode) == HW_PCI_DP))\r | |
1259 | {\r | |
30541881 RN |
1260 | Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r |
1261 | \r | |
1262 | //\r | |
1263 | // Unlike SeaBIOS, which starts climbing from the leaf device\r | |
1264 | // up toward the root, we traverse the device path starting at\r | |
1265 | // the root moving toward the leaf node.\r | |
1266 | // The slot number of the top-level parent bridge is needed for\r | |
1267 | // Q35 cases with more than 24 slots on the root bus.\r | |
1268 | //\r | |
1269 | if (Status != EFI_SUCCESS) {\r | |
ac0a286f | 1270 | Status = EFI_SUCCESS;\r |
30541881 RN |
1271 | RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;\r |
1272 | }\r | |
1273 | }\r | |
1274 | \r | |
1275 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1276 | }\r | |
ac0a286f | 1277 | \r |
30541881 RN |
1278 | if (EFI_ERROR (Status)) {\r |
1279 | return Status;\r | |
1280 | }\r | |
ac0a286f MK |
1281 | \r |
1282 | if ((RootBusNumber == 0) && (RootSlot == 0)) {\r | |
1283 | DEBUG ((\r | |
70d5086c | 1284 | DEBUG_ERROR,\r |
30541881 RN |
1285 | "%a: PCI host bridge (00:00.0) should have no interrupts!\n",\r |
1286 | __FUNCTION__\r | |
1287 | ));\r | |
1288 | ASSERT (FALSE);\r | |
1289 | }\r | |
1290 | \r | |
1291 | //\r | |
1292 | // Final PciHostIrqs[] index calculation depends on the platform\r | |
1293 | // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()\r | |
1294 | //\r | |
1295 | switch (mHostBridgeDevId) {\r | |
1296 | case INTEL_82441_DEVICE_ID:\r | |
1297 | Idx -= 1;\r | |
1298 | break;\r | |
1299 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1300 | //\r | |
1301 | // SeaBIOS contains the following comment:\r | |
1302 | // "Slots 0-24 rotate slot:pin mapping similar to piix above, but\r | |
1303 | // with a different starting index - see q35-acpi-dsdt.dsl.\r | |
1304 | //\r | |
1305 | // Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"\r | |
1306 | //\r | |
1307 | if (RootSlot > 24) {\r | |
1308 | //\r | |
1309 | // in this case, subtract back out RootSlot from Idx\r | |
1310 | // (SeaBIOS never adds it to begin with, but that would make our\r | |
1311 | // device path traversal loop above too awkward)\r | |
1312 | //\r | |
1313 | Idx -= RootSlot;\r | |
1314 | }\r | |
ac0a286f | 1315 | \r |
30541881 RN |
1316 | break;\r |
1317 | default:\r | |
1318 | ASSERT (FALSE); // should never get here\r | |
1319 | }\r | |
ac0a286f MK |
1320 | \r |
1321 | Idx %= ARRAY_SIZE (PciHostIrqs);\r | |
30541881 RN |
1322 | IrqLine = PciHostIrqs[Idx];\r |
1323 | \r | |
1324 | DEBUG_CODE_BEGIN ();\r | |
1325 | {\r | |
ac0a286f MK |
1326 | CHAR16 *DevPathString;\r |
1327 | STATIC CHAR16 Fallback[] = L"<failed to convert>";\r | |
1328 | UINTN Segment, Bus, Device, Function;\r | |
30541881 RN |
1329 | \r |
1330 | DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);\r | |
1331 | if (DevPathString == NULL) {\r | |
1332 | DevPathString = Fallback;\r | |
1333 | }\r | |
ac0a286f | 1334 | \r |
30541881 RN |
1335 | Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);\r |
1336 | ASSERT_EFI_ERROR (Status);\r | |
1337 | \r | |
ac0a286f MK |
1338 | DEBUG ((\r |
1339 | DEBUG_VERBOSE,\r | |
1340 | "%a: [%02x:%02x.%x] %s -> 0x%02x\n",\r | |
1341 | __FUNCTION__,\r | |
1342 | (UINT32)Bus,\r | |
1343 | (UINT32)Device,\r | |
1344 | (UINT32)Function,\r | |
1345 | DevPathString,\r | |
1346 | IrqLine\r | |
1347 | ));\r | |
30541881 RN |
1348 | \r |
1349 | if (DevPathString != Fallback) {\r | |
1350 | FreePool (DevPathString);\r | |
1351 | }\r | |
1352 | }\r | |
1353 | DEBUG_CODE_END ();\r | |
1354 | \r | |
1355 | //\r | |
1356 | // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]\r | |
1357 | //\r | |
1358 | Status = PciIo->Pci.Write (\r | |
ac0a286f MK |
1359 | PciIo,\r |
1360 | EfiPciIoWidthUint8,\r | |
1361 | PCI_INT_LINE_OFFSET,\r | |
1362 | 1,\r | |
1363 | &IrqLine\r | |
1364 | );\r | |
30541881 RN |
1365 | }\r |
1366 | \r | |
1367 | return Status;\r | |
1368 | }\r | |
1369 | \r | |
30541881 RN |
1370 | VOID\r |
1371 | PciAcpiInitialization (\r | |
1372 | )\r | |
1373 | {\r | |
1374 | UINTN Pmba;\r | |
1375 | \r | |
1376 | //\r | |
1377 | // Query Host Bridge DID to determine platform type\r | |
1378 | //\r | |
1379 | mHostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);\r | |
1380 | switch (mHostBridgeDevId) {\r | |
1381 | case INTEL_82441_DEVICE_ID:\r | |
1382 | Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);\r | |
1383 | //\r | |
1384 | // 00:01.0 ISA Bridge (PIIX4) LNK routing targets\r | |
1385 | //\r | |
6573ae8c BH |
1386 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), PciHostIrqs[0]); // A\r |
1387 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), PciHostIrqs[1]); // B\r | |
1388 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), PciHostIrqs[2]); // C\r | |
1389 | PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), PciHostIrqs[3]); // D\r | |
30541881 RN |
1390 | break;\r |
1391 | case INTEL_Q35_MCH_DEVICE_ID:\r | |
1392 | Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);\r | |
1393 | //\r | |
1394 | // 00:1f.0 LPC Bridge (Q35) LNK routing targets\r | |
1395 | //\r | |
6573ae8c BH |
1396 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), PciHostIrqs[0]); // A\r |
1397 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), PciHostIrqs[1]); // B\r | |
1398 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), PciHostIrqs[2]); // C\r | |
1399 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), PciHostIrqs[3]); // D\r | |
1400 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), PciHostIrqs[0]); // E\r | |
1401 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), PciHostIrqs[1]); // F\r | |
1402 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), PciHostIrqs[2]); // G\r | |
1403 | PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), PciHostIrqs[3]); // H\r | |
30541881 | 1404 | break;\r |
2c467c9b | 1405 | case MICROVM_PSEUDO_DEVICE_ID:\r |
9afcd48a | 1406 | case CLOUDHV_DEVICE_ID:\r |
2c467c9b | 1407 | return;\r |
30541881 | 1408 | default:\r |
ad256f95 AP |
1409 | if (XenDetected ()) {\r |
1410 | //\r | |
1411 | // There is no PCI bus in this case.\r | |
1412 | //\r | |
1413 | return;\r | |
1414 | }\r | |
ac0a286f MK |
1415 | \r |
1416 | DEBUG ((\r | |
1417 | DEBUG_ERROR,\r | |
1418 | "%a: Unknown Host Bridge Device ID: 0x%04x\n",\r | |
1419 | __FUNCTION__,\r | |
1420 | mHostBridgeDevId\r | |
1421 | ));\r | |
30541881 RN |
1422 | ASSERT (FALSE);\r |
1423 | return;\r | |
1424 | }\r | |
1425 | \r | |
1426 | //\r | |
1427 | // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices\r | |
1428 | //\r | |
1429 | VisitAllPciInstances (SetPciIntLine);\r | |
1430 | \r | |
1431 | //\r | |
1432 | // Set ACPI SCI_EN bit in PMCNTRL\r | |
1433 | //\r | |
1434 | IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);\r | |
1435 | }\r | |
1436 | \r | |
30541881 RN |
1437 | EFI_STATUS\r |
1438 | EFIAPI\r | |
1439 | ConnectRecursivelyIfPciMassStorage (\r | |
1440 | IN EFI_HANDLE Handle,\r | |
1441 | IN EFI_PCI_IO_PROTOCOL *Instance,\r | |
1442 | IN PCI_TYPE00 *PciHeader\r | |
1443 | )\r | |
1444 | {\r | |
1445 | EFI_STATUS Status;\r | |
1446 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
1447 | CHAR16 *DevPathStr;\r | |
1448 | \r | |
da2369d2 GL |
1449 | //\r |
1450 | // Recognize PCI Mass Storage, and Xen PCI devices\r | |
1451 | //\r | |
1452 | if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ||\r | |
ac0a286f MK |
1453 | (XenDetected () && IS_CLASS2 (PciHeader, 0xFF, 0x80)))\r |
1454 | {\r | |
30541881 | 1455 | DevicePath = NULL;\r |
ac0a286f MK |
1456 | Status = gBS->HandleProtocol (\r |
1457 | Handle,\r | |
1458 | &gEfiDevicePathProtocolGuid,\r | |
1459 | (VOID *)&DevicePath\r | |
1460 | );\r | |
30541881 RN |
1461 | if (EFI_ERROR (Status)) {\r |
1462 | return Status;\r | |
1463 | }\r | |
1464 | \r | |
1465 | //\r | |
1466 | // Print Device Path\r | |
1467 | //\r | |
77f47588 | 1468 | DevPathStr = ConvertDevicePathToText (DevicePath, FALSE, FALSE);\r |
30541881 | 1469 | if (DevPathStr != NULL) {\r |
ac0a286f | 1470 | DEBUG ((\r |
70d5086c | 1471 | DEBUG_INFO,\r |
da2369d2 | 1472 | "Found %s device: %s\n",\r |
18064510 LE |
1473 | (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE) ?\r |
1474 | L"Mass Storage" :\r | |
1475 | L"Xen"\r | |
ac0a286f | 1476 | ),\r |
30541881 RN |
1477 | DevPathStr\r |
1478 | ));\r | |
ac0a286f | 1479 | FreePool (DevPathStr);\r |
30541881 RN |
1480 | }\r |
1481 | \r | |
1482 | Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);\r | |
1483 | if (EFI_ERROR (Status)) {\r | |
1484 | return Status;\r | |
1485 | }\r | |
30541881 RN |
1486 | }\r |
1487 | \r | |
1488 | return EFI_SUCCESS;\r | |
1489 | }\r | |
1490 | \r | |
30541881 RN |
1491 | /**\r |
1492 | This notification function is invoked when the\r | |
1493 | EMU Variable FVB has been changed.\r | |
1494 | \r | |
8c0b0b34 TH |
1495 | @param Event The event that occurred\r |
1496 | @param Context For EFI compatibility. Not used.\r | |
30541881 RN |
1497 | \r |
1498 | **/\r | |
1499 | VOID\r | |
1500 | EFIAPI\r | |
1501 | EmuVariablesUpdatedCallback (\r | |
ac0a286f MK |
1502 | IN EFI_EVENT Event,\r |
1503 | IN VOID *Context\r | |
30541881 RN |
1504 | )\r |
1505 | {\r | |
70d5086c | 1506 | DEBUG ((DEBUG_INFO, "EmuVariablesUpdatedCallback\n"));\r |
30541881 RN |
1507 | UpdateNvVarsOnFileSystem ();\r |
1508 | }\r | |
1509 | \r | |
30541881 RN |
1510 | EFI_STATUS\r |
1511 | EFIAPI\r | |
1512 | VisitingFileSystemInstance (\r | |
1513 | IN EFI_HANDLE Handle,\r | |
1514 | IN VOID *Instance,\r | |
1515 | IN VOID *Context\r | |
1516 | )\r | |
1517 | {\r | |
1518 | EFI_STATUS Status;\r | |
1519 | STATIC BOOLEAN ConnectedToFileSystem = FALSE;\r | |
579afd6b | 1520 | RETURN_STATUS PcdStatus;\r |
30541881 RN |
1521 | \r |
1522 | if (ConnectedToFileSystem) {\r | |
1523 | return EFI_ALREADY_STARTED;\r | |
1524 | }\r | |
1525 | \r | |
1526 | Status = ConnectNvVarsToFileSystem (Handle);\r | |
1527 | if (EFI_ERROR (Status)) {\r | |
1528 | return Status;\r | |
1529 | }\r | |
1530 | \r | |
1531 | ConnectedToFileSystem = TRUE;\r | |
ac0a286f | 1532 | mEmuVariableEvent =\r |
30541881 RN |
1533 | EfiCreateProtocolNotifyEvent (\r |
1534 | &gEfiDevicePathProtocolGuid,\r | |
1535 | TPL_CALLBACK,\r | |
1536 | EmuVariablesUpdatedCallback,\r | |
1537 | NULL,\r | |
1538 | &mEmuVariableEventReg\r | |
1539 | );\r | |
ac0a286f MK |
1540 | PcdStatus = PcdSet64S (\r |
1541 | PcdEmuVariableEvent,\r | |
1542 | (UINT64)(UINTN)mEmuVariableEvent\r | |
1543 | );\r | |
579afd6b | 1544 | ASSERT_RETURN_ERROR (PcdStatus);\r |
30541881 RN |
1545 | \r |
1546 | return EFI_SUCCESS;\r | |
1547 | }\r | |
1548 | \r | |
30541881 RN |
1549 | VOID\r |
1550 | PlatformBdsRestoreNvVarsFromHardDisk (\r | |
1551 | )\r | |
1552 | {\r | |
1553 | VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);\r | |
1554 | VisitAllInstancesOfProtocol (\r | |
1555 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1556 | VisitingFileSystemInstance,\r | |
1557 | NULL\r | |
1558 | );\r | |
30541881 RN |
1559 | }\r |
1560 | \r | |
fe1b9e8e LE |
1561 | /**\r |
1562 | Connect with predefined platform connect sequence.\r | |
1563 | \r | |
1564 | The OEM/IBV can customize with their own connect sequence.\r | |
1565 | **/\r | |
30541881 RN |
1566 | VOID\r |
1567 | PlatformBdsConnectSequence (\r | |
1568 | VOID\r | |
1569 | )\r | |
30541881 | 1570 | {\r |
ac0a286f MK |
1571 | UINTN Index;\r |
1572 | RETURN_STATUS Status;\r | |
30541881 | 1573 | \r |
70d5086c | 1574 | DEBUG ((DEBUG_INFO, "PlatformBdsConnectSequence\n"));\r |
30541881 RN |
1575 | \r |
1576 | Index = 0;\r | |
1577 | \r | |
1578 | //\r | |
1579 | // Here we can get the customized platform connect sequence\r | |
1580 | // Notes: we can connect with new variable which record the\r | |
1581 | // last time boots connect device path sequence\r | |
1582 | //\r | |
1583 | while (gPlatformConnectSequence[Index] != NULL) {\r | |
1584 | //\r | |
1585 | // Build the platform boot option\r | |
1586 | //\r | |
fed691a6 | 1587 | EfiBootManagerConnectDevicePath (gPlatformConnectSequence[Index], NULL);\r |
30541881 RN |
1588 | Index++;\r |
1589 | }\r | |
1590 | \r | |
245c643c LE |
1591 | Status = ConnectDevicesFromQemu ();\r |
1592 | if (RETURN_ERROR (Status)) {\r | |
1593 | //\r | |
1594 | // Just use the simple policy to connect all devices\r | |
1595 | //\r | |
1596 | DEBUG ((DEBUG_INFO, "EfiBootManagerConnectAll\n"));\r | |
1597 | EfiBootManagerConnectAll ();\r | |
1598 | }\r | |
30541881 RN |
1599 | }\r |
1600 | \r | |
30541881 RN |
1601 | /**\r |
1602 | Save the S3 boot script.\r | |
1603 | \r | |
1604 | Note that DxeSmmReadyToLock must be signaled after this function returns;\r | |
1605 | otherwise the script wouldn't be saved actually.\r | |
1606 | **/\r | |
1607 | STATIC\r | |
1608 | VOID\r | |
1609 | SaveS3BootScript (\r | |
1610 | VOID\r | |
1611 | )\r | |
1612 | {\r | |
ac0a286f MK |
1613 | EFI_STATUS Status;\r |
1614 | EFI_S3_SAVE_STATE_PROTOCOL *BootScript;\r | |
1615 | STATIC CONST UINT8 Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };\r | |
30541881 | 1616 | \r |
ac0a286f MK |
1617 | Status = gBS->LocateProtocol (\r |
1618 | &gEfiS3SaveStateProtocolGuid,\r | |
1619 | NULL,\r | |
1620 | (VOID **)&BootScript\r | |
1621 | );\r | |
30541881 RN |
1622 | ASSERT_EFI_ERROR (Status);\r |
1623 | \r | |
1624 | //\r | |
1625 | // Despite the opcode documentation in the PI spec, the protocol\r | |
1626 | // implementation embeds a deep copy of the info in the boot script, rather\r | |
1627 | // than storing just a pointer to runtime or NVS storage.\r | |
1628 | //\r | |
ac0a286f MK |
1629 | Status = BootScript->Write (\r |
1630 | BootScript,\r | |
1631 | EFI_BOOT_SCRIPT_INFORMATION_OPCODE,\r | |
1632 | (UINT32)sizeof Info,\r | |
1633 | (EFI_PHYSICAL_ADDRESS)(UINTN)&Info\r | |
1634 | );\r | |
30541881 RN |
1635 | ASSERT_EFI_ERROR (Status);\r |
1636 | }\r | |
1637 | \r | |
fe1b9e8e LE |
1638 | /**\r |
1639 | Do the platform specific action after the console is ready\r | |
1640 | \r | |
1641 | Possible things that can be done in PlatformBootManagerAfterConsole:\r | |
1642 | \r | |
1643 | > Console post action:\r | |
1644 | > Dynamically switch output mode from 100x31 to 80x25 for certain senarino\r | |
1645 | > Signal console ready platform customized event\r | |
1646 | > Run diagnostics like memory testing\r | |
1647 | > Connect certain devices\r | |
1648 | > Dispatch aditional option roms\r | |
1649 | > Special boot: e.g.: USB boot, enter UI\r | |
1650 | **/\r | |
30541881 RN |
1651 | VOID\r |
1652 | EFIAPI\r | |
a7566234 RN |
1653 | PlatformBootManagerAfterConsole (\r |
1654 | VOID\r | |
30541881 | 1655 | )\r |
30541881 | 1656 | {\r |
ac0a286f | 1657 | EFI_BOOT_MODE BootMode;\r |
30541881 | 1658 | \r |
70d5086c | 1659 | DEBUG ((DEBUG_INFO, "PlatformBootManagerAfterConsole\n"));\r |
30541881 RN |
1660 | \r |
1661 | if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {\r | |
ac0a286f MK |
1662 | DEBUG ((\r |
1663 | DEBUG_INFO,\r | |
1664 | "PlatformBdsPolicyBehavior: not restoring NvVars "\r | |
1665 | "from disk since flash variables appear to be supported.\n"\r | |
1666 | ));\r | |
30541881 RN |
1667 | } else {\r |
1668 | //\r | |
1669 | // Try to restore variables from the hard disk early so\r | |
1670 | // they can be used for the other BDS connect operations.\r | |
1671 | //\r | |
1672 | PlatformBdsRestoreNvVarsFromHardDisk ();\r | |
1673 | }\r | |
1674 | \r | |
30541881 RN |
1675 | //\r |
1676 | // Get current Boot Mode\r | |
1677 | //\r | |
30edcbf5 | 1678 | BootMode = GetBootModeHob ();\r |
837d9eea | 1679 | DEBUG ((DEBUG_INFO, "Boot Mode:%x\n", BootMode));\r |
30541881 RN |
1680 | \r |
1681 | //\r | |
1682 | // Go the different platform policy with different boot mode\r | |
1683 | // Notes: this part code can be change with the table policy\r | |
1684 | //\r | |
1685 | ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);\r | |
30541881 RN |
1686 | \r |
1687 | //\r | |
e64a2ebe | 1688 | // Logo show\r |
30541881 | 1689 | //\r |
ab970515 | 1690 | BootLogoEnableLogo ();\r |
30541881 | 1691 | \r |
5942ea61 LE |
1692 | //\r |
1693 | // Set PCI Interrupt Line registers and ACPI SCI_EN\r | |
1694 | //\r | |
1695 | PciAcpiInitialization ();\r | |
1696 | \r | |
5eeb088a GH |
1697 | //\r |
1698 | // Write qemu bootorder to efi variables\r | |
1699 | //\r | |
1700 | StoreQemuBootOrder ();\r | |
1701 | \r | |
30541881 | 1702 | //\r |
a34a8869 | 1703 | // Process QEMU's -kernel command line option\r |
30541881 | 1704 | //\r |
a34a8869 | 1705 | TryRunningQemuKernel ();\r |
30541881 RN |
1706 | \r |
1707 | //\r | |
a34a8869 | 1708 | // Perform some platform specific connect sequence\r |
30541881 | 1709 | //\r |
a34a8869 | 1710 | PlatformBdsConnectSequence ();\r |
30541881 | 1711 | \r |
04fe914b RN |
1712 | EfiBootManagerRefreshAllBootOption ();\r |
1713 | \r | |
14b2ebc3 GL |
1714 | //\r |
1715 | // Register UEFI Shell\r | |
1716 | //\r | |
1717 | PlatformRegisterFvBootOption (\r | |
ac0a286f MK |
1718 | &gUefiShellFileGuid,\r |
1719 | L"EFI Internal Shell",\r | |
1720 | LOAD_OPTION_ACTIVE\r | |
14b2ebc3 GL |
1721 | );\r |
1722 | \r | |
2eb35898 | 1723 | RemoveStaleFvFileOptions ();\r |
2542feea | 1724 | SetBootOrderFromQemu ();\r |
a7488174 LE |
1725 | \r |
1726 | PlatformBmPrintScRegisterHandler ();\r | |
30541881 RN |
1727 | }\r |
1728 | \r | |
30541881 RN |
1729 | /**\r |
1730 | This notification function is invoked when an instance of the\r | |
1731 | EFI_DEVICE_PATH_PROTOCOL is produced.\r | |
1732 | \r | |
8c0b0b34 TH |
1733 | @param Event The event that occurred\r |
1734 | @param Context For EFI compatibility. Not used.\r | |
30541881 RN |
1735 | \r |
1736 | **/\r | |
1737 | VOID\r | |
1738 | EFIAPI\r | |
1739 | NotifyDevPath (\r | |
ac0a286f MK |
1740 | IN EFI_EVENT Event,\r |
1741 | IN VOID *Context\r | |
30541881 RN |
1742 | )\r |
1743 | {\r | |
ac0a286f MK |
1744 | EFI_HANDLE Handle;\r |
1745 | EFI_STATUS Status;\r | |
1746 | UINTN BufferSize;\r | |
1747 | EFI_DEVICE_PATH_PROTOCOL *DevPathNode;\r | |
1748 | ATAPI_DEVICE_PATH *Atapi;\r | |
30541881 RN |
1749 | \r |
1750 | //\r | |
1751 | // Examine all new handles\r | |
1752 | //\r | |
ac0a286f | 1753 | for ( ; ;) {\r |
30541881 RN |
1754 | //\r |
1755 | // Get the next handle\r | |
1756 | //\r | |
1757 | BufferSize = sizeof (Handle);\r | |
ac0a286f MK |
1758 | Status = gBS->LocateHandle (\r |
1759 | ByRegisterNotify,\r | |
1760 | NULL,\r | |
1761 | mEfiDevPathNotifyReg,\r | |
1762 | &BufferSize,\r | |
1763 | &Handle\r | |
1764 | );\r | |
30541881 RN |
1765 | \r |
1766 | //\r | |
1767 | // If not found, we're done\r | |
1768 | //\r | |
1769 | if (EFI_NOT_FOUND == Status) {\r | |
1770 | break;\r | |
1771 | }\r | |
1772 | \r | |
1773 | if (EFI_ERROR (Status)) {\r | |
1774 | continue;\r | |
1775 | }\r | |
1776 | \r | |
1777 | //\r | |
1778 | // Get the DevicePath protocol on that handle\r | |
1779 | //\r | |
ac0a286f MK |
1780 | Status = gBS->HandleProtocol (\r |
1781 | Handle,\r | |
1782 | &gEfiDevicePathProtocolGuid,\r | |
1783 | (VOID **)&DevPathNode\r | |
1784 | );\r | |
30541881 RN |
1785 | ASSERT_EFI_ERROR (Status);\r |
1786 | \r | |
1787 | while (!IsDevicePathEnd (DevPathNode)) {\r | |
1788 | //\r | |
1789 | // Find the handler to dump this device path node\r | |
1790 | //\r | |
1791 | if (\r | |
ac0a286f MK |
1792 | (DevicePathType (DevPathNode) == MESSAGING_DEVICE_PATH) &&\r |
1793 | (DevicePathSubType (DevPathNode) == MSG_ATAPI_DP)\r | |
1794 | )\r | |
1795 | {\r | |
1796 | Atapi = (ATAPI_DEVICE_PATH *)DevPathNode;\r | |
30541881 RN |
1797 | PciOr16 (\r |
1798 | PCI_LIB_ADDRESS (\r | |
1799 | 0,\r | |
1800 | 1,\r | |
1801 | 1,\r | |
ac0a286f | 1802 | (Atapi->PrimarySecondary == 1) ? 0x42 : 0x40\r |
30541881 RN |
1803 | ),\r |
1804 | BIT15\r | |
1805 | );\r | |
1806 | }\r | |
1807 | \r | |
1808 | //\r | |
1809 | // Next device path node\r | |
1810 | //\r | |
1811 | DevPathNode = NextDevicePathNode (DevPathNode);\r | |
1812 | }\r | |
1813 | }\r | |
1814 | \r | |
1815 | return;\r | |
1816 | }\r | |
1817 | \r | |
30541881 RN |
1818 | VOID\r |
1819 | InstallDevicePathCallback (\r | |
1820 | VOID\r | |
1821 | )\r | |
1822 | {\r | |
70d5086c | 1823 | DEBUG ((DEBUG_INFO, "Registered NotifyDevPath Event\n"));\r |
30541881 | 1824 | mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (\r |
ac0a286f MK |
1825 | &gEfiDevicePathProtocolGuid,\r |
1826 | TPL_CALLBACK,\r | |
1827 | NotifyDevPath,\r | |
1828 | NULL,\r | |
1829 | &mEfiDevPathNotifyReg\r | |
1830 | );\r | |
30541881 RN |
1831 | }\r |
1832 | \r | |
a7566234 | 1833 | /**\r |
18064510 LE |
1834 | This function is called each second during the boot manager waits the\r |
1835 | timeout.\r | |
a7566234 RN |
1836 | \r |
1837 | @param TimeoutRemain The remaining timeout.\r | |
1838 | **/\r | |
1839 | VOID\r | |
1840 | EFIAPI\r | |
1841 | PlatformBootManagerWaitCallback (\r | |
ac0a286f | 1842 | UINT16 TimeoutRemain\r |
a7566234 RN |
1843 | )\r |
1844 | {\r | |
ac0a286f MK |
1845 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;\r |
1846 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;\r | |
1847 | UINT16 TimeoutInitial;\r | |
fd096a99 | 1848 | \r |
c3c90d8a PB |
1849 | TimeoutInitial = PcdGet16 (PcdPlatformBootTimeOut);\r |
1850 | \r | |
1851 | //\r | |
1852 | // If PcdPlatformBootTimeOut is set to zero, then we consider\r | |
1853 | // that no progress update should be enacted (since we'd only\r | |
1854 | // ever display a one-shot progress of either 0% or 100%).\r | |
1855 | //\r | |
1856 | if (TimeoutInitial == 0) {\r | |
1857 | return;\r | |
1858 | }\r | |
fd096a99 LE |
1859 | \r |
1860 | Black.Raw = 0x00000000;\r | |
1861 | White.Raw = 0x00FFFFFF;\r | |
1862 | \r | |
1863 | BootLogoUpdateProgress (\r | |
1864 | White.Pixel,\r | |
1865 | Black.Pixel,\r | |
1866 | L"Start boot option",\r | |
1867 | White.Pixel,\r | |
c3c90d8a | 1868 | (TimeoutInitial - TimeoutRemain) * 100 / TimeoutInitial,\r |
fd096a99 LE |
1869 | 0\r |
1870 | );\r | |
a7566234 RN |
1871 | }\r |
1872 | \r | |
5f66615b RN |
1873 | /**\r |
1874 | The function is called when no boot option could be launched,\r | |
1875 | including platform recovery options and options pointing to applications\r | |
1876 | built into firmware volumes.\r | |
1877 | \r | |
1878 | If this function returns, BDS attempts to enter an infinite loop.\r | |
1879 | **/\r | |
1880 | VOID\r | |
1881 | EFIAPI\r | |
1882 | PlatformBootManagerUnableToBoot (\r | |
1883 | VOID\r | |
1884 | )\r | |
1885 | {\r | |
ac0a286f MK |
1886 | EFI_STATUS Status;\r |
1887 | EFI_INPUT_KEY Key;\r | |
1888 | EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r | |
1889 | UINTN Index;\r | |
5f66615b RN |
1890 | \r |
1891 | //\r | |
1892 | // BootManagerMenu doesn't contain the correct information when return status\r | |
1893 | // is EFI_NOT_FOUND.\r | |
1894 | //\r | |
1895 | Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r | |
1896 | if (EFI_ERROR (Status)) {\r | |
1897 | return;\r | |
1898 | }\r | |
ac0a286f | 1899 | \r |
5f66615b RN |
1900 | //\r |
1901 | // Normally BdsDxe does not print anything to the system console, but this is\r | |
1902 | // a last resort -- the end-user will likely not see any DEBUG messages\r | |
1903 | // logged in this situation.\r | |
1904 | //\r | |
1905 | // AsciiPrint() will NULL-check gST->ConOut internally. We check gST->ConIn\r | |
1906 | // here to see if it makes sense to request and wait for a keypress.\r | |
1907 | //\r | |
1908 | if (gST->ConIn != NULL) {\r | |
1909 | AsciiPrint (\r | |
1910 | "%a: No bootable option or device was found.\n"\r | |
1911 | "%a: Press any key to enter the Boot Manager Menu.\n",\r | |
1912 | gEfiCallerBaseName,\r | |
1913 | gEfiCallerBaseName\r | |
1914 | );\r | |
1915 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r | |
1916 | ASSERT_EFI_ERROR (Status);\r | |
1917 | ASSERT (Index == 0);\r | |
1918 | \r | |
1919 | //\r | |
1920 | // Drain any queued keys.\r | |
1921 | //\r | |
1922 | while (!EFI_ERROR (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key))) {\r | |
1923 | //\r | |
1924 | // just throw away Key\r | |
1925 | //\r | |
1926 | }\r | |
1927 | }\r | |
1928 | \r | |
ac0a286f | 1929 | for ( ; ;) {\r |
5f66615b RN |
1930 | EfiBootManagerBoot (&BootManagerMenu);\r |
1931 | }\r | |
1932 | }\r |