]>
Commit | Line | Data |
---|---|---|
1 | /** @file\r | |
2 | Implementation for PlatformBootManagerLib library class interfaces.\r | |
3 | \r | |
4 | Copyright (C) 2015-2016, Red Hat, Inc.\r | |
5 | Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>\r | |
6 | Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
7 | \r | |
8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
9 | \r | |
10 | **/\r | |
11 | \r | |
12 | #include <IndustryStandard/Pci22.h>\r | |
13 | #include <IndustryStandard/Virtio095.h>\r | |
14 | #include <Library/BootLogoLib.h>\r | |
15 | #include <Library/DevicePathLib.h>\r | |
16 | #include <Library/PcdLib.h>\r | |
17 | #include <Library/PlatformBmPrintScLib.h>\r | |
18 | #include <Library/QemuBootOrderLib.h>\r | |
19 | #include <Library/UefiBootManagerLib.h>\r | |
20 | #include <Protocol/DevicePath.h>\r | |
21 | #include <Protocol/FirmwareVolume2.h>\r | |
22 | #include <Protocol/GraphicsOutput.h>\r | |
23 | #include <Protocol/LoadedImage.h>\r | |
24 | #include <Protocol/PciIo.h>\r | |
25 | #include <Protocol/PciRootBridgeIo.h>\r | |
26 | #include <Protocol/VirtioDevice.h>\r | |
27 | #include <Guid/EventGroup.h>\r | |
28 | #include <Guid/GlobalVariable.h>\r | |
29 | #include <Guid/RootBridgesConnectedEventGroup.h>\r | |
30 | #include <Guid/SerialPortLibVendor.h>\r | |
31 | \r | |
32 | #include "PlatformBm.h"\r | |
33 | \r | |
34 | #define DP_NODE_LEN(Type) { (UINT8)sizeof (Type), (UINT8)(sizeof (Type) >> 8) }\r | |
35 | \r | |
36 | \r | |
37 | #pragma pack (1)\r | |
38 | typedef struct {\r | |
39 | VENDOR_DEVICE_PATH SerialDxe;\r | |
40 | UART_DEVICE_PATH Uart;\r | |
41 | VENDOR_DEFINED_DEVICE_PATH TermType;\r | |
42 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
43 | } PLATFORM_SERIAL_CONSOLE;\r | |
44 | #pragma pack ()\r | |
45 | \r | |
46 | STATIC PLATFORM_SERIAL_CONSOLE mSerialConsole = {\r | |
47 | //\r | |
48 | // VENDOR_DEVICE_PATH SerialDxe\r | |
49 | //\r | |
50 | {\r | |
51 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DP_NODE_LEN (VENDOR_DEVICE_PATH) },\r | |
52 | EDKII_SERIAL_PORT_LIB_VENDOR_GUID\r | |
53 | },\r | |
54 | \r | |
55 | //\r | |
56 | // UART_DEVICE_PATH Uart\r | |
57 | //\r | |
58 | {\r | |
59 | { MESSAGING_DEVICE_PATH, MSG_UART_DP, DP_NODE_LEN (UART_DEVICE_PATH) },\r | |
60 | 0, // Reserved\r | |
61 | FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate\r | |
62 | FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits\r | |
63 | FixedPcdGet8 (PcdUartDefaultParity), // Parity\r | |
64 | FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits\r | |
65 | },\r | |
66 | \r | |
67 | //\r | |
68 | // VENDOR_DEFINED_DEVICE_PATH TermType\r | |
69 | //\r | |
70 | {\r | |
71 | {\r | |
72 | MESSAGING_DEVICE_PATH, MSG_VENDOR_DP,\r | |
73 | DP_NODE_LEN (VENDOR_DEFINED_DEVICE_PATH)\r | |
74 | }\r | |
75 | //\r | |
76 | // Guid to be filled in dynamically\r | |
77 | //\r | |
78 | },\r | |
79 | \r | |
80 | //\r | |
81 | // EFI_DEVICE_PATH_PROTOCOL End\r | |
82 | //\r | |
83 | {\r | |
84 | END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
85 | DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r | |
86 | }\r | |
87 | };\r | |
88 | \r | |
89 | \r | |
90 | #pragma pack (1)\r | |
91 | typedef struct {\r | |
92 | USB_CLASS_DEVICE_PATH Keyboard;\r | |
93 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
94 | } PLATFORM_USB_KEYBOARD;\r | |
95 | #pragma pack ()\r | |
96 | \r | |
97 | STATIC PLATFORM_USB_KEYBOARD mUsbKeyboard = {\r | |
98 | //\r | |
99 | // USB_CLASS_DEVICE_PATH Keyboard\r | |
100 | //\r | |
101 | {\r | |
102 | {\r | |
103 | MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP,\r | |
104 | DP_NODE_LEN (USB_CLASS_DEVICE_PATH)\r | |
105 | },\r | |
106 | 0xFFFF, // VendorId: any\r | |
107 | 0xFFFF, // ProductId: any\r | |
108 | 3, // DeviceClass: HID\r | |
109 | 1, // DeviceSubClass: boot\r | |
110 | 1 // DeviceProtocol: keyboard\r | |
111 | },\r | |
112 | \r | |
113 | //\r | |
114 | // EFI_DEVICE_PATH_PROTOCOL End\r | |
115 | //\r | |
116 | {\r | |
117 | END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
118 | DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r | |
119 | }\r | |
120 | };\r | |
121 | \r | |
122 | \r | |
123 | /**\r | |
124 | Check if the handle satisfies a particular condition.\r | |
125 | \r | |
126 | @param[in] Handle The handle to check.\r | |
127 | @param[in] ReportText A caller-allocated string passed in for reporting\r | |
128 | purposes. It must never be NULL.\r | |
129 | \r | |
130 | @retval TRUE The condition is satisfied.\r | |
131 | @retval FALSE Otherwise. This includes the case when the condition could not\r | |
132 | be fully evaluated due to an error.\r | |
133 | **/\r | |
134 | typedef\r | |
135 | BOOLEAN\r | |
136 | (EFIAPI *FILTER_FUNCTION) (\r | |
137 | IN EFI_HANDLE Handle,\r | |
138 | IN CONST CHAR16 *ReportText\r | |
139 | );\r | |
140 | \r | |
141 | \r | |
142 | /**\r | |
143 | Process a handle.\r | |
144 | \r | |
145 | @param[in] Handle The handle to process.\r | |
146 | @param[in] ReportText A caller-allocated string passed in for reporting\r | |
147 | purposes. It must never be NULL.\r | |
148 | **/\r | |
149 | typedef\r | |
150 | VOID\r | |
151 | (EFIAPI *CALLBACK_FUNCTION) (\r | |
152 | IN EFI_HANDLE Handle,\r | |
153 | IN CONST CHAR16 *ReportText\r | |
154 | );\r | |
155 | \r | |
156 | /**\r | |
157 | Locate all handles that carry the specified protocol, filter them with a\r | |
158 | callback function, and pass each handle that passes the filter to another\r | |
159 | callback.\r | |
160 | \r | |
161 | @param[in] ProtocolGuid The protocol to look for.\r | |
162 | \r | |
163 | @param[in] Filter The filter function to pass each handle to. If this\r | |
164 | parameter is NULL, then all handles are processed.\r | |
165 | \r | |
166 | @param[in] Process The callback function to pass each handle to that\r | |
167 | clears the filter.\r | |
168 | **/\r | |
169 | STATIC\r | |
170 | VOID\r | |
171 | FilterAndProcess (\r | |
172 | IN EFI_GUID *ProtocolGuid,\r | |
173 | IN FILTER_FUNCTION Filter OPTIONAL,\r | |
174 | IN CALLBACK_FUNCTION Process\r | |
175 | )\r | |
176 | {\r | |
177 | EFI_STATUS Status;\r | |
178 | EFI_HANDLE *Handles;\r | |
179 | UINTN NoHandles;\r | |
180 | UINTN Idx;\r | |
181 | \r | |
182 | Status = gBS->LocateHandleBuffer (ByProtocol, ProtocolGuid,\r | |
183 | NULL /* SearchKey */, &NoHandles, &Handles);\r | |
184 | if (EFI_ERROR (Status)) {\r | |
185 | //\r | |
186 | // This is not an error, just an informative condition.\r | |
187 | //\r | |
188 | DEBUG ((EFI_D_VERBOSE, "%a: %g: %r\n", __FUNCTION__, ProtocolGuid,\r | |
189 | Status));\r | |
190 | return;\r | |
191 | }\r | |
192 | \r | |
193 | ASSERT (NoHandles > 0);\r | |
194 | for (Idx = 0; Idx < NoHandles; ++Idx) {\r | |
195 | CHAR16 *DevicePathText;\r | |
196 | STATIC CHAR16 Fallback[] = L"<device path unavailable>";\r | |
197 | \r | |
198 | //\r | |
199 | // The ConvertDevicePathToText() function handles NULL input transparently.\r | |
200 | //\r | |
201 | DevicePathText = ConvertDevicePathToText (\r | |
202 | DevicePathFromHandle (Handles[Idx]),\r | |
203 | FALSE, // DisplayOnly\r | |
204 | FALSE // AllowShortcuts\r | |
205 | );\r | |
206 | if (DevicePathText == NULL) {\r | |
207 | DevicePathText = Fallback;\r | |
208 | }\r | |
209 | \r | |
210 | if (Filter == NULL || Filter (Handles[Idx], DevicePathText)) {\r | |
211 | Process (Handles[Idx], DevicePathText);\r | |
212 | }\r | |
213 | \r | |
214 | if (DevicePathText != Fallback) {\r | |
215 | FreePool (DevicePathText);\r | |
216 | }\r | |
217 | }\r | |
218 | gBS->FreePool (Handles);\r | |
219 | }\r | |
220 | \r | |
221 | \r | |
222 | /**\r | |
223 | This FILTER_FUNCTION checks if a handle corresponds to a PCI display device.\r | |
224 | **/\r | |
225 | STATIC\r | |
226 | BOOLEAN\r | |
227 | EFIAPI\r | |
228 | IsPciDisplay (\r | |
229 | IN EFI_HANDLE Handle,\r | |
230 | IN CONST CHAR16 *ReportText\r | |
231 | )\r | |
232 | {\r | |
233 | EFI_STATUS Status;\r | |
234 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
235 | PCI_TYPE00 Pci;\r | |
236 | \r | |
237 | Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,\r | |
238 | (VOID**)&PciIo);\r | |
239 | if (EFI_ERROR (Status)) {\r | |
240 | //\r | |
241 | // This is not an error worth reporting.\r | |
242 | //\r | |
243 | return FALSE;\r | |
244 | }\r | |
245 | \r | |
246 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0 /* Offset */,\r | |
247 | sizeof Pci / sizeof (UINT32), &Pci);\r | |
248 | if (EFI_ERROR (Status)) {\r | |
249 | DEBUG ((EFI_D_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));\r | |
250 | return FALSE;\r | |
251 | }\r | |
252 | \r | |
253 | return IS_PCI_DISPLAY (&Pci);\r | |
254 | }\r | |
255 | \r | |
256 | \r | |
257 | /**\r | |
258 | This FILTER_FUNCTION checks if a handle corresponds to a Virtio RNG device at\r | |
259 | the VIRTIO_DEVICE_PROTOCOL level.\r | |
260 | **/\r | |
261 | STATIC\r | |
262 | BOOLEAN\r | |
263 | EFIAPI\r | |
264 | IsVirtioRng (\r | |
265 | IN EFI_HANDLE Handle,\r | |
266 | IN CONST CHAR16 *ReportText\r | |
267 | )\r | |
268 | {\r | |
269 | EFI_STATUS Status;\r | |
270 | VIRTIO_DEVICE_PROTOCOL *VirtIo;\r | |
271 | \r | |
272 | Status = gBS->HandleProtocol (Handle, &gVirtioDeviceProtocolGuid,\r | |
273 | (VOID**)&VirtIo);\r | |
274 | if (EFI_ERROR (Status)) {\r | |
275 | return FALSE;\r | |
276 | }\r | |
277 | return (BOOLEAN)(VirtIo->SubSystemDeviceId ==\r | |
278 | VIRTIO_SUBSYSTEM_ENTROPY_SOURCE);\r | |
279 | }\r | |
280 | \r | |
281 | \r | |
282 | /**\r | |
283 | This FILTER_FUNCTION checks if a handle corresponds to a Virtio RNG device at\r | |
284 | the EFI_PCI_IO_PROTOCOL level.\r | |
285 | **/\r | |
286 | STATIC\r | |
287 | BOOLEAN\r | |
288 | EFIAPI\r | |
289 | IsVirtioPciRng (\r | |
290 | IN EFI_HANDLE Handle,\r | |
291 | IN CONST CHAR16 *ReportText\r | |
292 | )\r | |
293 | {\r | |
294 | EFI_STATUS Status;\r | |
295 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
296 | UINT16 VendorId;\r | |
297 | UINT16 DeviceId;\r | |
298 | UINT8 RevisionId;\r | |
299 | BOOLEAN Virtio10;\r | |
300 | UINT16 SubsystemId;\r | |
301 | \r | |
302 | Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,\r | |
303 | (VOID**)&PciIo);\r | |
304 | if (EFI_ERROR (Status)) {\r | |
305 | return FALSE;\r | |
306 | }\r | |
307 | \r | |
308 | //\r | |
309 | // Read and check VendorId.\r | |
310 | //\r | |
311 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, PCI_VENDOR_ID_OFFSET,\r | |
312 | 1, &VendorId);\r | |
313 | if (EFI_ERROR (Status)) {\r | |
314 | goto PciError;\r | |
315 | }\r | |
316 | if (VendorId != VIRTIO_VENDOR_ID) {\r | |
317 | return FALSE;\r | |
318 | }\r | |
319 | \r | |
320 | //\r | |
321 | // Read DeviceId and RevisionId.\r | |
322 | //\r | |
323 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16, PCI_DEVICE_ID_OFFSET,\r | |
324 | 1, &DeviceId);\r | |
325 | if (EFI_ERROR (Status)) {\r | |
326 | goto PciError;\r | |
327 | }\r | |
328 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint8, PCI_REVISION_ID_OFFSET,\r | |
329 | 1, &RevisionId);\r | |
330 | if (EFI_ERROR (Status)) {\r | |
331 | goto PciError;\r | |
332 | }\r | |
333 | \r | |
334 | //\r | |
335 | // From DeviceId and RevisionId, determine whether the device is a\r | |
336 | // modern-only Virtio 1.0 device. In case of Virtio 1.0, DeviceId can\r | |
337 | // immediately be restricted to VIRTIO_SUBSYSTEM_ENTROPY_SOURCE, and\r | |
338 | // SubsystemId will only play a sanity-check role. Otherwise, DeviceId can\r | |
339 | // only be sanity-checked, and SubsystemId will decide.\r | |
340 | //\r | |
341 | if (DeviceId == 0x1040 + VIRTIO_SUBSYSTEM_ENTROPY_SOURCE &&\r | |
342 | RevisionId >= 0x01) {\r | |
343 | Virtio10 = TRUE;\r | |
344 | } else if (DeviceId >= 0x1000 && DeviceId <= 0x103F && RevisionId == 0x00) {\r | |
345 | Virtio10 = FALSE;\r | |
346 | } else {\r | |
347 | return FALSE;\r | |
348 | }\r | |
349 | \r | |
350 | //\r | |
351 | // Read and check SubsystemId as dictated by Virtio10.\r | |
352 | //\r | |
353 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint16,\r | |
354 | PCI_SUBSYSTEM_ID_OFFSET, 1, &SubsystemId);\r | |
355 | if (EFI_ERROR (Status)) {\r | |
356 | goto PciError;\r | |
357 | }\r | |
358 | if (Virtio10 && SubsystemId >= 0x40) {\r | |
359 | return TRUE;\r | |
360 | }\r | |
361 | if (!Virtio10 && SubsystemId == VIRTIO_SUBSYSTEM_ENTROPY_SOURCE) {\r | |
362 | return TRUE;\r | |
363 | }\r | |
364 | return FALSE;\r | |
365 | \r | |
366 | PciError:\r | |
367 | DEBUG ((DEBUG_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));\r | |
368 | return FALSE;\r | |
369 | }\r | |
370 | \r | |
371 | \r | |
372 | /**\r | |
373 | This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking\r | |
374 | the matching driver to produce all first-level child handles.\r | |
375 | **/\r | |
376 | STATIC\r | |
377 | VOID\r | |
378 | EFIAPI\r | |
379 | Connect (\r | |
380 | IN EFI_HANDLE Handle,\r | |
381 | IN CONST CHAR16 *ReportText\r | |
382 | )\r | |
383 | {\r | |
384 | EFI_STATUS Status;\r | |
385 | \r | |
386 | Status = gBS->ConnectController (\r | |
387 | Handle, // ControllerHandle\r | |
388 | NULL, // DriverImageHandle\r | |
389 | NULL, // RemainingDevicePath -- produce all children\r | |
390 | FALSE // Recursive\r | |
391 | );\r | |
392 | DEBUG ((EFI_ERROR (Status) ? EFI_D_ERROR : EFI_D_VERBOSE, "%a: %s: %r\n",\r | |
393 | __FUNCTION__, ReportText, Status));\r | |
394 | }\r | |
395 | \r | |
396 | \r | |
397 | /**\r | |
398 | This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from the\r | |
399 | handle, and adds it to ConOut and ErrOut.\r | |
400 | **/\r | |
401 | STATIC\r | |
402 | VOID\r | |
403 | EFIAPI\r | |
404 | AddOutput (\r | |
405 | IN EFI_HANDLE Handle,\r | |
406 | IN CONST CHAR16 *ReportText\r | |
407 | )\r | |
408 | {\r | |
409 | EFI_STATUS Status;\r | |
410 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
411 | \r | |
412 | DevicePath = DevicePathFromHandle (Handle);\r | |
413 | if (DevicePath == NULL) {\r | |
414 | DEBUG ((EFI_D_ERROR, "%a: %s: handle %p: device path not found\n",\r | |
415 | __FUNCTION__, ReportText, Handle));\r | |
416 | return;\r | |
417 | }\r | |
418 | \r | |
419 | Status = EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
420 | if (EFI_ERROR (Status)) {\r | |
421 | DEBUG ((EFI_D_ERROR, "%a: %s: adding to ConOut: %r\n", __FUNCTION__,\r | |
422 | ReportText, Status));\r | |
423 | return;\r | |
424 | }\r | |
425 | \r | |
426 | Status = EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
427 | if (EFI_ERROR (Status)) {\r | |
428 | DEBUG ((EFI_D_ERROR, "%a: %s: adding to ErrOut: %r\n", __FUNCTION__,\r | |
429 | ReportText, Status));\r | |
430 | return;\r | |
431 | }\r | |
432 | \r | |
433 | DEBUG ((EFI_D_VERBOSE, "%a: %s: added to ConOut and ErrOut\n", __FUNCTION__,\r | |
434 | ReportText));\r | |
435 | }\r | |
436 | \r | |
437 | STATIC\r | |
438 | VOID\r | |
439 | PlatformRegisterFvBootOption (\r | |
440 | EFI_GUID *FileGuid,\r | |
441 | CHAR16 *Description,\r | |
442 | UINT32 Attributes\r | |
443 | )\r | |
444 | {\r | |
445 | EFI_STATUS Status;\r | |
446 | INTN OptionIndex;\r | |
447 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
448 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
449 | UINTN BootOptionCount;\r | |
450 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
451 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
452 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
453 | \r | |
454 | Status = gBS->HandleProtocol (\r | |
455 | gImageHandle,\r | |
456 | &gEfiLoadedImageProtocolGuid,\r | |
457 | (VOID **) &LoadedImage\r | |
458 | );\r | |
459 | ASSERT_EFI_ERROR (Status);\r | |
460 | \r | |
461 | EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);\r | |
462 | DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);\r | |
463 | ASSERT (DevicePath != NULL);\r | |
464 | DevicePath = AppendDevicePathNode (\r | |
465 | DevicePath,\r | |
466 | (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r | |
467 | );\r | |
468 | ASSERT (DevicePath != NULL);\r | |
469 | \r | |
470 | Status = EfiBootManagerInitializeLoadOption (\r | |
471 | &NewOption,\r | |
472 | LoadOptionNumberUnassigned,\r | |
473 | LoadOptionTypeBoot,\r | |
474 | Attributes,\r | |
475 | Description,\r | |
476 | DevicePath,\r | |
477 | NULL,\r | |
478 | 0\r | |
479 | );\r | |
480 | ASSERT_EFI_ERROR (Status);\r | |
481 | FreePool (DevicePath);\r | |
482 | \r | |
483 | BootOptions = EfiBootManagerGetLoadOptions (\r | |
484 | &BootOptionCount, LoadOptionTypeBoot\r | |
485 | );\r | |
486 | \r | |
487 | OptionIndex = EfiBootManagerFindLoadOption (\r | |
488 | &NewOption, BootOptions, BootOptionCount\r | |
489 | );\r | |
490 | \r | |
491 | if (OptionIndex == -1) {\r | |
492 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);\r | |
493 | ASSERT_EFI_ERROR (Status);\r | |
494 | }\r | |
495 | EfiBootManagerFreeLoadOption (&NewOption);\r | |
496 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
497 | }\r | |
498 | \r | |
499 | \r | |
500 | /**\r | |
501 | Remove all MemoryMapped(...)/FvFile(...) and Fv(...)/FvFile(...) boot options\r | |
502 | whose device paths do not resolve exactly to an FvFile in the system.\r | |
503 | \r | |
504 | This removes any boot options that point to binaries built into the firmware\r | |
505 | and have become stale due to any of the following:\r | |
506 | - FvMain's base address or size changed (historical),\r | |
507 | - FvMain's FvNameGuid changed,\r | |
508 | - the FILE_GUID of the pointed-to binary changed,\r | |
509 | - the referenced binary is no longer built into the firmware.\r | |
510 | \r | |
511 | EfiBootManagerFindLoadOption() used in PlatformRegisterFvBootOption() only\r | |
512 | avoids exact duplicates.\r | |
513 | **/\r | |
514 | STATIC\r | |
515 | VOID\r | |
516 | RemoveStaleFvFileOptions (\r | |
517 | VOID\r | |
518 | )\r | |
519 | {\r | |
520 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
521 | UINTN BootOptionCount;\r | |
522 | UINTN Index;\r | |
523 | \r | |
524 | BootOptions = EfiBootManagerGetLoadOptions (&BootOptionCount,\r | |
525 | LoadOptionTypeBoot);\r | |
526 | \r | |
527 | for (Index = 0; Index < BootOptionCount; ++Index) {\r | |
528 | EFI_DEVICE_PATH_PROTOCOL *Node1, *Node2, *SearchNode;\r | |
529 | EFI_STATUS Status;\r | |
530 | EFI_HANDLE FvHandle;\r | |
531 | \r | |
532 | //\r | |
533 | // If the device path starts with neither MemoryMapped(...) nor Fv(...),\r | |
534 | // then keep the boot option.\r | |
535 | //\r | |
536 | Node1 = BootOptions[Index].FilePath;\r | |
537 | if (!(DevicePathType (Node1) == HARDWARE_DEVICE_PATH &&\r | |
538 | DevicePathSubType (Node1) == HW_MEMMAP_DP) &&\r | |
539 | !(DevicePathType (Node1) == MEDIA_DEVICE_PATH &&\r | |
540 | DevicePathSubType (Node1) == MEDIA_PIWG_FW_VOL_DP)) {\r | |
541 | continue;\r | |
542 | }\r | |
543 | \r | |
544 | //\r | |
545 | // If the second device path node is not FvFile(...), then keep the boot\r | |
546 | // option.\r | |
547 | //\r | |
548 | Node2 = NextDevicePathNode (Node1);\r | |
549 | if (DevicePathType (Node2) != MEDIA_DEVICE_PATH ||\r | |
550 | DevicePathSubType (Node2) != MEDIA_PIWG_FW_FILE_DP) {\r | |
551 | continue;\r | |
552 | }\r | |
553 | \r | |
554 | //\r | |
555 | // Locate the Firmware Volume2 protocol instance that is denoted by the\r | |
556 | // boot option. If this lookup fails (i.e., the boot option references a\r | |
557 | // firmware volume that doesn't exist), then we'll proceed to delete the\r | |
558 | // boot option.\r | |
559 | //\r | |
560 | SearchNode = Node1;\r | |
561 | Status = gBS->LocateDevicePath (&gEfiFirmwareVolume2ProtocolGuid,\r | |
562 | &SearchNode, &FvHandle);\r | |
563 | \r | |
564 | if (!EFI_ERROR (Status)) {\r | |
565 | //\r | |
566 | // The firmware volume was found; now let's see if it contains the FvFile\r | |
567 | // identified by GUID.\r | |
568 | //\r | |
569 | EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;\r | |
570 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FvFileNode;\r | |
571 | UINTN BufferSize;\r | |
572 | EFI_FV_FILETYPE FoundType;\r | |
573 | EFI_FV_FILE_ATTRIBUTES FileAttributes;\r | |
574 | UINT32 AuthenticationStatus;\r | |
575 | \r | |
576 | Status = gBS->HandleProtocol (FvHandle, &gEfiFirmwareVolume2ProtocolGuid,\r | |
577 | (VOID **)&FvProtocol);\r | |
578 | ASSERT_EFI_ERROR (Status);\r | |
579 | \r | |
580 | FvFileNode = (MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)Node2;\r | |
581 | //\r | |
582 | // Buffer==NULL means we request metadata only: BufferSize, FoundType,\r | |
583 | // FileAttributes.\r | |
584 | //\r | |
585 | Status = FvProtocol->ReadFile (\r | |
586 | FvProtocol,\r | |
587 | &FvFileNode->FvFileName, // NameGuid\r | |
588 | NULL, // Buffer\r | |
589 | &BufferSize,\r | |
590 | &FoundType,\r | |
591 | &FileAttributes,\r | |
592 | &AuthenticationStatus\r | |
593 | );\r | |
594 | if (!EFI_ERROR (Status)) {\r | |
595 | //\r | |
596 | // The FvFile was found. Keep the boot option.\r | |
597 | //\r | |
598 | continue;\r | |
599 | }\r | |
600 | }\r | |
601 | \r | |
602 | //\r | |
603 | // Delete the boot option.\r | |
604 | //\r | |
605 | Status = EfiBootManagerDeleteLoadOptionVariable (\r | |
606 | BootOptions[Index].OptionNumber, LoadOptionTypeBoot);\r | |
607 | DEBUG_CODE (\r | |
608 | CHAR16 *DevicePathString;\r | |
609 | \r | |
610 | DevicePathString = ConvertDevicePathToText(BootOptions[Index].FilePath,\r | |
611 | FALSE, FALSE);\r | |
612 | DEBUG ((\r | |
613 | EFI_ERROR (Status) ? EFI_D_WARN : EFI_D_VERBOSE,\r | |
614 | "%a: removing stale Boot#%04x %s: %r\n",\r | |
615 | __FUNCTION__,\r | |
616 | (UINT32)BootOptions[Index].OptionNumber,\r | |
617 | DevicePathString == NULL ? L"<unavailable>" : DevicePathString,\r | |
618 | Status\r | |
619 | ));\r | |
620 | if (DevicePathString != NULL) {\r | |
621 | FreePool (DevicePathString);\r | |
622 | }\r | |
623 | );\r | |
624 | }\r | |
625 | \r | |
626 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
627 | }\r | |
628 | \r | |
629 | \r | |
630 | STATIC\r | |
631 | VOID\r | |
632 | PlatformRegisterOptionsAndKeys (\r | |
633 | VOID\r | |
634 | )\r | |
635 | {\r | |
636 | EFI_STATUS Status;\r | |
637 | EFI_INPUT_KEY Enter;\r | |
638 | EFI_INPUT_KEY F2;\r | |
639 | EFI_INPUT_KEY Esc;\r | |
640 | EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r | |
641 | \r | |
642 | //\r | |
643 | // Register ENTER as CONTINUE key\r | |
644 | //\r | |
645 | Enter.ScanCode = SCAN_NULL;\r | |
646 | Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;\r | |
647 | Status = EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);\r | |
648 | ASSERT_EFI_ERROR (Status);\r | |
649 | \r | |
650 | //\r | |
651 | // Map F2 and ESC to Boot Manager Menu\r | |
652 | //\r | |
653 | F2.ScanCode = SCAN_F2;\r | |
654 | F2.UnicodeChar = CHAR_NULL;\r | |
655 | Esc.ScanCode = SCAN_ESC;\r | |
656 | Esc.UnicodeChar = CHAR_NULL;\r | |
657 | Status = EfiBootManagerGetBootManagerMenu (&BootOption);\r | |
658 | ASSERT_EFI_ERROR (Status);\r | |
659 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
660 | NULL, (UINT16) BootOption.OptionNumber, 0, &F2, NULL\r | |
661 | );\r | |
662 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
663 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
664 | NULL, (UINT16) BootOption.OptionNumber, 0, &Esc, NULL\r | |
665 | );\r | |
666 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
667 | }\r | |
668 | \r | |
669 | \r | |
670 | //\r | |
671 | // BDS Platform Functions\r | |
672 | //\r | |
673 | /**\r | |
674 | Do the platform init, can be customized by OEM/IBV\r | |
675 | Possible things that can be done in PlatformBootManagerBeforeConsole:\r | |
676 | > Update console variable: 1. include hot-plug devices;\r | |
677 | > 2. Clear ConIn and add SOL for AMT\r | |
678 | > Register new Driver#### or Boot####\r | |
679 | > Register new Key####: e.g.: F12\r | |
680 | > Signal ReadyToLock event\r | |
681 | > Authentication action: 1. connect Auth devices;\r | |
682 | > 2. Identify auto logon user.\r | |
683 | **/\r | |
684 | VOID\r | |
685 | EFIAPI\r | |
686 | PlatformBootManagerBeforeConsole (\r | |
687 | VOID\r | |
688 | )\r | |
689 | {\r | |
690 | UINT16 FrontPageTimeout;\r | |
691 | RETURN_STATUS PcdStatus;\r | |
692 | EFI_STATUS Status;\r | |
693 | \r | |
694 | //\r | |
695 | // Signal EndOfDxe PI Event\r | |
696 | //\r | |
697 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r | |
698 | \r | |
699 | //\r | |
700 | // Dispatch deferred images after EndOfDxe event.\r | |
701 | //\r | |
702 | EfiBootManagerDispatchDeferredImages ();\r | |
703 | \r | |
704 | //\r | |
705 | // Locate the PCI root bridges and make the PCI bus driver connect each,\r | |
706 | // non-recursively. This will produce a number of child handles with PciIo on\r | |
707 | // them.\r | |
708 | //\r | |
709 | FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);\r | |
710 | \r | |
711 | //\r | |
712 | // Signal the ACPI platform driver that it can download QEMU ACPI tables.\r | |
713 | //\r | |
714 | EfiEventGroupSignal (&gRootBridgesConnectedEventGroupGuid);\r | |
715 | \r | |
716 | //\r | |
717 | // Find all display class PCI devices (using the handles from the previous\r | |
718 | // step), and connect them non-recursively. This should produce a number of\r | |
719 | // child handles with GOPs on them.\r | |
720 | //\r | |
721 | FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);\r | |
722 | \r | |
723 | //\r | |
724 | // Now add the device path of all handles with GOP on them to ConOut and\r | |
725 | // ErrOut.\r | |
726 | //\r | |
727 | FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);\r | |
728 | \r | |
729 | //\r | |
730 | // Add the hardcoded short-form USB keyboard device path to ConIn.\r | |
731 | //\r | |
732 | EfiBootManagerUpdateConsoleVariable (ConIn,\r | |
733 | (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);\r | |
734 | \r | |
735 | //\r | |
736 | // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.\r | |
737 | //\r | |
738 | CopyGuid (&mSerialConsole.TermType.Guid,\r | |
739 | PcdGetPtr (PcdTerminalTypeGuidBuffer));\r | |
740 | EfiBootManagerUpdateConsoleVariable (ConIn,\r | |
741 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
742 | EfiBootManagerUpdateConsoleVariable (ConOut,\r | |
743 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
744 | EfiBootManagerUpdateConsoleVariable (ErrOut,\r | |
745 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
746 | \r | |
747 | //\r | |
748 | // Set the front page timeout from the QEMU configuration.\r | |
749 | //\r | |
750 | FrontPageTimeout = GetFrontPageTimeoutFromQemu ();\r | |
751 | PcdStatus = PcdSet16S (PcdPlatformBootTimeOut, FrontPageTimeout);\r | |
752 | ASSERT_RETURN_ERROR (PcdStatus);\r | |
753 | //\r | |
754 | // Reflect the PCD in the standard Timeout variable.\r | |
755 | //\r | |
756 | Status = gRT->SetVariable (\r | |
757 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
758 | &gEfiGlobalVariableGuid,\r | |
759 | (EFI_VARIABLE_NON_VOLATILE |\r | |
760 | EFI_VARIABLE_BOOTSERVICE_ACCESS |\r | |
761 | EFI_VARIABLE_RUNTIME_ACCESS),\r | |
762 | sizeof FrontPageTimeout,\r | |
763 | &FrontPageTimeout\r | |
764 | );\r | |
765 | DEBUG ((\r | |
766 | EFI_ERROR (Status) ? DEBUG_ERROR : DEBUG_VERBOSE,\r | |
767 | "%a: SetVariable(%s, %u): %r\n",\r | |
768 | __FUNCTION__,\r | |
769 | EFI_TIME_OUT_VARIABLE_NAME,\r | |
770 | FrontPageTimeout,\r | |
771 | Status\r | |
772 | ));\r | |
773 | \r | |
774 | //\r | |
775 | // Register platform-specific boot options and keyboard shortcuts.\r | |
776 | //\r | |
777 | PlatformRegisterOptionsAndKeys ();\r | |
778 | \r | |
779 | //\r | |
780 | // At this point, VIRTIO_DEVICE_PROTOCOL instances exist only for Virtio MMIO\r | |
781 | // transports. Install EFI_RNG_PROTOCOL instances on Virtio MMIO RNG devices.\r | |
782 | //\r | |
783 | FilterAndProcess (&gVirtioDeviceProtocolGuid, IsVirtioRng, Connect);\r | |
784 | \r | |
785 | //\r | |
786 | // Install both VIRTIO_DEVICE_PROTOCOL and (dependent) EFI_RNG_PROTOCOL\r | |
787 | // instances on Virtio PCI RNG devices.\r | |
788 | //\r | |
789 | FilterAndProcess (&gEfiPciIoProtocolGuid, IsVirtioPciRng, Connect);\r | |
790 | }\r | |
791 | \r | |
792 | /**\r | |
793 | Do the platform specific action after the console is ready\r | |
794 | Possible things that can be done in PlatformBootManagerAfterConsole:\r | |
795 | > Console post action:\r | |
796 | > Dynamically switch output mode from 100x31 to 80x25 for certain scenario\r | |
797 | > Signal console ready platform customized event\r | |
798 | > Run diagnostics like memory testing\r | |
799 | > Connect certain devices\r | |
800 | > Dispatch additional option roms\r | |
801 | > Special boot: e.g.: USB boot, enter UI\r | |
802 | **/\r | |
803 | VOID\r | |
804 | EFIAPI\r | |
805 | PlatformBootManagerAfterConsole (\r | |
806 | VOID\r | |
807 | )\r | |
808 | {\r | |
809 | RETURN_STATUS Status;\r | |
810 | \r | |
811 | //\r | |
812 | // Show the splash screen.\r | |
813 | //\r | |
814 | BootLogoEnableLogo ();\r | |
815 | \r | |
816 | //\r | |
817 | // Process QEMU's -kernel command line option. The kernel booted this way\r | |
818 | // will receive ACPI tables: in PlatformBootManagerBeforeConsole(), we\r | |
819 | // connected any and all PCI root bridges, and then signaled the ACPI\r | |
820 | // platform driver.\r | |
821 | //\r | |
822 | TryRunningQemuKernel ();\r | |
823 | \r | |
824 | //\r | |
825 | // Connect the purported boot devices.\r | |
826 | //\r | |
827 | Status = ConnectDevicesFromQemu ();\r | |
828 | if (RETURN_ERROR (Status)) {\r | |
829 | //\r | |
830 | // Connect the rest of the devices.\r | |
831 | //\r | |
832 | EfiBootManagerConnectAll ();\r | |
833 | }\r | |
834 | \r | |
835 | //\r | |
836 | // Enumerate all possible boot options, then filter and reorder them based on\r | |
837 | // the QEMU configuration.\r | |
838 | //\r | |
839 | EfiBootManagerRefreshAllBootOption ();\r | |
840 | \r | |
841 | //\r | |
842 | // Register UEFI Shell\r | |
843 | //\r | |
844 | PlatformRegisterFvBootOption (\r | |
845 | &gUefiShellFileGuid, L"EFI Internal Shell", LOAD_OPTION_ACTIVE\r | |
846 | );\r | |
847 | \r | |
848 | RemoveStaleFvFileOptions ();\r | |
849 | SetBootOrderFromQemu ();\r | |
850 | \r | |
851 | PlatformBmPrintScRegisterHandler ();\r | |
852 | }\r | |
853 | \r | |
854 | /**\r | |
855 | This function is called each second during the boot manager waits the\r | |
856 | timeout.\r | |
857 | \r | |
858 | @param TimeoutRemain The remaining timeout.\r | |
859 | **/\r | |
860 | VOID\r | |
861 | EFIAPI\r | |
862 | PlatformBootManagerWaitCallback (\r | |
863 | UINT16 TimeoutRemain\r | |
864 | )\r | |
865 | {\r | |
866 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;\r | |
867 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;\r | |
868 | UINT16 TimeoutInitial;\r | |
869 | \r | |
870 | TimeoutInitial = PcdGet16 (PcdPlatformBootTimeOut);\r | |
871 | \r | |
872 | //\r | |
873 | // If PcdPlatformBootTimeOut is set to zero, then we consider\r | |
874 | // that no progress update should be enacted.\r | |
875 | //\r | |
876 | if (TimeoutInitial == 0) {\r | |
877 | return;\r | |
878 | }\r | |
879 | \r | |
880 | Black.Raw = 0x00000000;\r | |
881 | White.Raw = 0x00FFFFFF;\r | |
882 | \r | |
883 | BootLogoUpdateProgress (\r | |
884 | White.Pixel,\r | |
885 | Black.Pixel,\r | |
886 | L"Start boot option",\r | |
887 | White.Pixel,\r | |
888 | (TimeoutInitial - TimeoutRemain) * 100 / TimeoutInitial,\r | |
889 | 0\r | |
890 | );\r | |
891 | }\r | |
892 | \r | |
893 | /**\r | |
894 | The function is called when no boot option could be launched,\r | |
895 | including platform recovery options and options pointing to applications\r | |
896 | built into firmware volumes.\r | |
897 | \r | |
898 | If this function returns, BDS attempts to enter an infinite loop.\r | |
899 | **/\r | |
900 | VOID\r | |
901 | EFIAPI\r | |
902 | PlatformBootManagerUnableToBoot (\r | |
903 | VOID\r | |
904 | )\r | |
905 | {\r | |
906 | EFI_STATUS Status;\r | |
907 | EFI_INPUT_KEY Key;\r | |
908 | EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r | |
909 | UINTN Index;\r | |
910 | \r | |
911 | //\r | |
912 | // BootManagerMenu doesn't contain the correct information when return status\r | |
913 | // is EFI_NOT_FOUND.\r | |
914 | //\r | |
915 | Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r | |
916 | if (EFI_ERROR (Status)) {\r | |
917 | return;\r | |
918 | }\r | |
919 | //\r | |
920 | // Normally BdsDxe does not print anything to the system console, but this is\r | |
921 | // a last resort -- the end-user will likely not see any DEBUG messages\r | |
922 | // logged in this situation.\r | |
923 | //\r | |
924 | // AsciiPrint() will NULL-check gST->ConOut internally. We check gST->ConIn\r | |
925 | // here to see if it makes sense to request and wait for a keypress.\r | |
926 | //\r | |
927 | if (gST->ConIn != NULL) {\r | |
928 | AsciiPrint (\r | |
929 | "%a: No bootable option or device was found.\n"\r | |
930 | "%a: Press any key to enter the Boot Manager Menu.\n",\r | |
931 | gEfiCallerBaseName,\r | |
932 | gEfiCallerBaseName\r | |
933 | );\r | |
934 | Status = gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &Index);\r | |
935 | ASSERT_EFI_ERROR (Status);\r | |
936 | ASSERT (Index == 0);\r | |
937 | \r | |
938 | //\r | |
939 | // Drain any queued keys.\r | |
940 | //\r | |
941 | while (!EFI_ERROR (gST->ConIn->ReadKeyStroke (gST->ConIn, &Key))) {\r | |
942 | //\r | |
943 | // just throw away Key\r | |
944 | //\r | |
945 | }\r | |
946 | }\r | |
947 | \r | |
948 | for (;;) {\r | |
949 | EfiBootManagerBoot (&BootManagerMenu);\r | |
950 | }\r | |
951 | }\r |