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c976f9cb AB |
1 | /** @file\r |
2 | Implementation for PlatformBootManagerLib library class interfaces.\r | |
3 | \r | |
4 | Copyright (C) 2015-2016, Red Hat, Inc.\r | |
cae735f6 | 5 | Copyright (c) 2014 - 2021, ARM Ltd. All rights reserved.<BR>\r |
eea668c9 | 6 | Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\r |
c976f9cb | 7 | Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>\r |
cae735f6 | 8 | Copyright (c) 2021, Semihalf All rights reserved.<BR>\r |
c976f9cb | 9 | \r |
4059386c | 10 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
c976f9cb AB |
11 | \r |
12 | **/\r | |
13 | \r | |
14 | #include <IndustryStandard/Pci22.h>\r | |
a43d75e1 | 15 | #include <Library/BootLogoLib.h>\r |
4bbcc285 | 16 | #include <Library/CapsuleLib.h>\r |
c976f9cb | 17 | #include <Library/DevicePathLib.h>\r |
4bbcc285 | 18 | #include <Library/HobLib.h>\r |
c976f9cb AB |
19 | #include <Library/PcdLib.h>\r |
20 | #include <Library/UefiBootManagerLib.h>\r | |
21 | #include <Library/UefiLib.h>\r | |
cae82316 | 22 | #include <Library/UefiRuntimeServicesTableLib.h>\r |
cae735f6 | 23 | #include <Protocol/BootManagerPolicy.h>\r |
c976f9cb | 24 | #include <Protocol/DevicePath.h>\r |
13ca0abb | 25 | #include <Protocol/EsrtManagement.h>\r |
c976f9cb AB |
26 | #include <Protocol/GraphicsOutput.h>\r |
27 | #include <Protocol/LoadedImage.h>\r | |
0ae52d4f | 28 | #include <Protocol/NonDiscoverableDevice.h>\r |
c976f9cb AB |
29 | #include <Protocol/PciIo.h>\r |
30 | #include <Protocol/PciRootBridgeIo.h>\r | |
1b6e7633 | 31 | #include <Protocol/PlatformBootManager.h>\r |
cae735f6 | 32 | #include <Guid/BootDiscoveryPolicy.h>\r |
c976f9cb | 33 | #include <Guid/EventGroup.h>\r |
0ae52d4f | 34 | #include <Guid/NonDiscoverableDevice.h>\r |
c976f9cb | 35 | #include <Guid/TtyTerm.h>\r |
6631c096 | 36 | #include <Guid/SerialPortLibVendor.h>\r |
c976f9cb AB |
37 | \r |
38 | #include "PlatformBm.h"\r | |
39 | \r | |
40 | #define DP_NODE_LEN(Type) { (UINT8)sizeof (Type), (UINT8)(sizeof (Type) >> 8) }\r | |
41 | \r | |
c976f9cb AB |
42 | #pragma pack (1)\r |
43 | typedef struct {\r | |
44 | VENDOR_DEVICE_PATH SerialDxe;\r | |
45 | UART_DEVICE_PATH Uart;\r | |
46 | VENDOR_DEFINED_DEVICE_PATH TermType;\r | |
47 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
48 | } PLATFORM_SERIAL_CONSOLE;\r | |
49 | #pragma pack ()\r | |
50 | \r | |
c976f9cb AB |
51 | STATIC PLATFORM_SERIAL_CONSOLE mSerialConsole = {\r |
52 | //\r | |
53 | // VENDOR_DEVICE_PATH SerialDxe\r | |
54 | //\r | |
55 | {\r | |
56 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DP_NODE_LEN (VENDOR_DEVICE_PATH) },\r | |
6631c096 | 57 | EDKII_SERIAL_PORT_LIB_VENDOR_GUID\r |
c976f9cb AB |
58 | },\r |
59 | \r | |
60 | //\r | |
61 | // UART_DEVICE_PATH Uart\r | |
62 | //\r | |
63 | {\r | |
64 | { MESSAGING_DEVICE_PATH, MSG_UART_DP, DP_NODE_LEN (UART_DEVICE_PATH) },\r | |
65 | 0, // Reserved\r | |
66 | FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate\r | |
67 | FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits\r | |
68 | FixedPcdGet8 (PcdUartDefaultParity), // Parity\r | |
69 | FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits\r | |
70 | },\r | |
71 | \r | |
72 | //\r | |
73 | // VENDOR_DEFINED_DEVICE_PATH TermType\r | |
74 | //\r | |
75 | {\r | |
76 | {\r | |
77 | MESSAGING_DEVICE_PATH, MSG_VENDOR_DP,\r | |
78 | DP_NODE_LEN (VENDOR_DEFINED_DEVICE_PATH)\r | |
79 | }\r | |
80 | //\r | |
81 | // Guid to be filled in dynamically\r | |
82 | //\r | |
83 | },\r | |
84 | \r | |
85 | //\r | |
86 | // EFI_DEVICE_PATH_PROTOCOL End\r | |
87 | //\r | |
88 | {\r | |
89 | END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
90 | DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r | |
91 | }\r | |
92 | };\r | |
93 | \r | |
94 | \r | |
95 | #pragma pack (1)\r | |
96 | typedef struct {\r | |
97 | USB_CLASS_DEVICE_PATH Keyboard;\r | |
98 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
99 | } PLATFORM_USB_KEYBOARD;\r | |
100 | #pragma pack ()\r | |
101 | \r | |
102 | STATIC PLATFORM_USB_KEYBOARD mUsbKeyboard = {\r | |
103 | //\r | |
104 | // USB_CLASS_DEVICE_PATH Keyboard\r | |
105 | //\r | |
106 | {\r | |
107 | {\r | |
108 | MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP,\r | |
109 | DP_NODE_LEN (USB_CLASS_DEVICE_PATH)\r | |
110 | },\r | |
111 | 0xFFFF, // VendorId: any\r | |
112 | 0xFFFF, // ProductId: any\r | |
113 | 3, // DeviceClass: HID\r | |
114 | 1, // DeviceSubClass: boot\r | |
115 | 1 // DeviceProtocol: keyboard\r | |
116 | },\r | |
117 | \r | |
118 | //\r | |
119 | // EFI_DEVICE_PATH_PROTOCOL End\r | |
120 | //\r | |
121 | {\r | |
122 | END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
123 | DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r | |
124 | }\r | |
125 | };\r | |
126 | \r | |
127 | \r | |
128 | /**\r | |
129 | Check if the handle satisfies a particular condition.\r | |
130 | \r | |
131 | @param[in] Handle The handle to check.\r | |
132 | @param[in] ReportText A caller-allocated string passed in for reporting\r | |
133 | purposes. It must never be NULL.\r | |
134 | \r | |
135 | @retval TRUE The condition is satisfied.\r | |
136 | @retval FALSE Otherwise. This includes the case when the condition could not\r | |
137 | be fully evaluated due to an error.\r | |
138 | **/\r | |
139 | typedef\r | |
140 | BOOLEAN\r | |
141 | (EFIAPI *FILTER_FUNCTION) (\r | |
142 | IN EFI_HANDLE Handle,\r | |
143 | IN CONST CHAR16 *ReportText\r | |
144 | );\r | |
145 | \r | |
146 | \r | |
147 | /**\r | |
148 | Process a handle.\r | |
149 | \r | |
150 | @param[in] Handle The handle to process.\r | |
151 | @param[in] ReportText A caller-allocated string passed in for reporting\r | |
152 | purposes. It must never be NULL.\r | |
153 | **/\r | |
154 | typedef\r | |
155 | VOID\r | |
156 | (EFIAPI *CALLBACK_FUNCTION) (\r | |
157 | IN EFI_HANDLE Handle,\r | |
158 | IN CONST CHAR16 *ReportText\r | |
159 | );\r | |
160 | \r | |
161 | /**\r | |
162 | Locate all handles that carry the specified protocol, filter them with a\r | |
163 | callback function, and pass each handle that passes the filter to another\r | |
164 | callback.\r | |
165 | \r | |
166 | @param[in] ProtocolGuid The protocol to look for.\r | |
167 | \r | |
168 | @param[in] Filter The filter function to pass each handle to. If this\r | |
169 | parameter is NULL, then all handles are processed.\r | |
170 | \r | |
171 | @param[in] Process The callback function to pass each handle to that\r | |
172 | clears the filter.\r | |
173 | **/\r | |
174 | STATIC\r | |
175 | VOID\r | |
176 | FilterAndProcess (\r | |
177 | IN EFI_GUID *ProtocolGuid,\r | |
178 | IN FILTER_FUNCTION Filter OPTIONAL,\r | |
179 | IN CALLBACK_FUNCTION Process\r | |
180 | )\r | |
181 | {\r | |
182 | EFI_STATUS Status;\r | |
183 | EFI_HANDLE *Handles;\r | |
184 | UINTN NoHandles;\r | |
185 | UINTN Idx;\r | |
186 | \r | |
187 | Status = gBS->LocateHandleBuffer (ByProtocol, ProtocolGuid,\r | |
188 | NULL /* SearchKey */, &NoHandles, &Handles);\r | |
189 | if (EFI_ERROR (Status)) {\r | |
190 | //\r | |
191 | // This is not an error, just an informative condition.\r | |
192 | //\r | |
a4a582e1 | 193 | DEBUG ((DEBUG_VERBOSE, "%a: %g: %r\n", __FUNCTION__, ProtocolGuid,\r |
c976f9cb AB |
194 | Status));\r |
195 | return;\r | |
196 | }\r | |
197 | \r | |
198 | ASSERT (NoHandles > 0);\r | |
199 | for (Idx = 0; Idx < NoHandles; ++Idx) {\r | |
200 | CHAR16 *DevicePathText;\r | |
201 | STATIC CHAR16 Fallback[] = L"<device path unavailable>";\r | |
202 | \r | |
203 | //\r | |
204 | // The ConvertDevicePathToText() function handles NULL input transparently.\r | |
205 | //\r | |
206 | DevicePathText = ConvertDevicePathToText (\r | |
207 | DevicePathFromHandle (Handles[Idx]),\r | |
208 | FALSE, // DisplayOnly\r | |
209 | FALSE // AllowShortcuts\r | |
210 | );\r | |
211 | if (DevicePathText == NULL) {\r | |
212 | DevicePathText = Fallback;\r | |
213 | }\r | |
214 | \r | |
215 | if (Filter == NULL || Filter (Handles[Idx], DevicePathText)) {\r | |
216 | Process (Handles[Idx], DevicePathText);\r | |
217 | }\r | |
218 | \r | |
219 | if (DevicePathText != Fallback) {\r | |
220 | FreePool (DevicePathText);\r | |
221 | }\r | |
222 | }\r | |
223 | gBS->FreePool (Handles);\r | |
224 | }\r | |
225 | \r | |
226 | \r | |
227 | /**\r | |
228 | This FILTER_FUNCTION checks if a handle corresponds to a PCI display device.\r | |
229 | **/\r | |
230 | STATIC\r | |
231 | BOOLEAN\r | |
232 | EFIAPI\r | |
233 | IsPciDisplay (\r | |
234 | IN EFI_HANDLE Handle,\r | |
235 | IN CONST CHAR16 *ReportText\r | |
236 | )\r | |
237 | {\r | |
238 | EFI_STATUS Status;\r | |
239 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
240 | PCI_TYPE00 Pci;\r | |
241 | \r | |
242 | Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,\r | |
243 | (VOID**)&PciIo);\r | |
244 | if (EFI_ERROR (Status)) {\r | |
245 | //\r | |
246 | // This is not an error worth reporting.\r | |
247 | //\r | |
248 | return FALSE;\r | |
249 | }\r | |
250 | \r | |
251 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0 /* Offset */,\r | |
252 | sizeof Pci / sizeof (UINT32), &Pci);\r | |
253 | if (EFI_ERROR (Status)) {\r | |
a4a582e1 | 254 | DEBUG ((DEBUG_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));\r |
c976f9cb AB |
255 | return FALSE;\r |
256 | }\r | |
257 | \r | |
258 | return IS_PCI_DISPLAY (&Pci);\r | |
259 | }\r | |
260 | \r | |
261 | \r | |
0ae52d4f AB |
262 | /**\r |
263 | This FILTER_FUNCTION checks if a handle corresponds to a non-discoverable\r | |
264 | USB host controller.\r | |
265 | **/\r | |
266 | STATIC\r | |
267 | BOOLEAN\r | |
268 | EFIAPI\r | |
269 | IsUsbHost (\r | |
270 | IN EFI_HANDLE Handle,\r | |
271 | IN CONST CHAR16 *ReportText\r | |
272 | )\r | |
273 | {\r | |
274 | NON_DISCOVERABLE_DEVICE *Device;\r | |
275 | EFI_STATUS Status;\r | |
276 | \r | |
277 | Status = gBS->HandleProtocol (Handle,\r | |
278 | &gEdkiiNonDiscoverableDeviceProtocolGuid,\r | |
279 | (VOID **)&Device);\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | return FALSE;\r | |
282 | }\r | |
283 | \r | |
284 | if (CompareGuid (Device->Type, &gEdkiiNonDiscoverableUhciDeviceGuid) ||\r | |
285 | CompareGuid (Device->Type, &gEdkiiNonDiscoverableEhciDeviceGuid) ||\r | |
286 | CompareGuid (Device->Type, &gEdkiiNonDiscoverableXhciDeviceGuid)) {\r | |
287 | return TRUE;\r | |
288 | }\r | |
289 | return FALSE;\r | |
290 | }\r | |
291 | \r | |
292 | \r | |
c976f9cb AB |
293 | /**\r |
294 | This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking\r | |
295 | the matching driver to produce all first-level child handles.\r | |
296 | **/\r | |
297 | STATIC\r | |
298 | VOID\r | |
299 | EFIAPI\r | |
300 | Connect (\r | |
301 | IN EFI_HANDLE Handle,\r | |
302 | IN CONST CHAR16 *ReportText\r | |
303 | )\r | |
304 | {\r | |
305 | EFI_STATUS Status;\r | |
306 | \r | |
307 | Status = gBS->ConnectController (\r | |
308 | Handle, // ControllerHandle\r | |
309 | NULL, // DriverImageHandle\r | |
310 | NULL, // RemainingDevicePath -- produce all children\r | |
311 | FALSE // Recursive\r | |
312 | );\r | |
a4a582e1 | 313 | DEBUG ((EFI_ERROR (Status) ? DEBUG_ERROR : DEBUG_VERBOSE, "%a: %s: %r\n",\r |
c976f9cb AB |
314 | __FUNCTION__, ReportText, Status));\r |
315 | }\r | |
316 | \r | |
317 | \r | |
318 | /**\r | |
319 | This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from the\r | |
320 | handle, and adds it to ConOut and ErrOut.\r | |
321 | **/\r | |
322 | STATIC\r | |
323 | VOID\r | |
324 | EFIAPI\r | |
325 | AddOutput (\r | |
326 | IN EFI_HANDLE Handle,\r | |
327 | IN CONST CHAR16 *ReportText\r | |
328 | )\r | |
329 | {\r | |
330 | EFI_STATUS Status;\r | |
331 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
332 | \r | |
333 | DevicePath = DevicePathFromHandle (Handle);\r | |
334 | if (DevicePath == NULL) {\r | |
a4a582e1 | 335 | DEBUG ((DEBUG_ERROR, "%a: %s: handle %p: device path not found\n",\r |
c976f9cb AB |
336 | __FUNCTION__, ReportText, Handle));\r |
337 | return;\r | |
338 | }\r | |
339 | \r | |
340 | Status = EfiBootManagerUpdateConsoleVariable (ConOut, DevicePath, NULL);\r | |
341 | if (EFI_ERROR (Status)) {\r | |
a4a582e1 | 342 | DEBUG ((DEBUG_ERROR, "%a: %s: adding to ConOut: %r\n", __FUNCTION__,\r |
c976f9cb AB |
343 | ReportText, Status));\r |
344 | return;\r | |
345 | }\r | |
346 | \r | |
347 | Status = EfiBootManagerUpdateConsoleVariable (ErrOut, DevicePath, NULL);\r | |
348 | if (EFI_ERROR (Status)) {\r | |
a4a582e1 | 349 | DEBUG ((DEBUG_ERROR, "%a: %s: adding to ErrOut: %r\n", __FUNCTION__,\r |
c976f9cb AB |
350 | ReportText, Status));\r |
351 | return;\r | |
352 | }\r | |
353 | \r | |
a4a582e1 | 354 | DEBUG ((DEBUG_VERBOSE, "%a: %s: added to ConOut and ErrOut\n", __FUNCTION__,\r |
c976f9cb AB |
355 | ReportText));\r |
356 | }\r | |
357 | \r | |
358 | STATIC\r | |
359 | VOID\r | |
360 | PlatformRegisterFvBootOption (\r | |
07548e17 | 361 | CONST EFI_GUID *FileGuid,\r |
c976f9cb | 362 | CHAR16 *Description,\r |
321b0788 AB |
363 | UINT32 Attributes,\r |
364 | EFI_INPUT_KEY *Key\r | |
c976f9cb AB |
365 | )\r |
366 | {\r | |
367 | EFI_STATUS Status;\r | |
368 | INTN OptionIndex;\r | |
369 | EFI_BOOT_MANAGER_LOAD_OPTION NewOption;\r | |
370 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
371 | UINTN BootOptionCount;\r | |
372 | MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileNode;\r | |
373 | EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;\r | |
374 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
375 | \r | |
376 | Status = gBS->HandleProtocol (\r | |
377 | gImageHandle,\r | |
378 | &gEfiLoadedImageProtocolGuid,\r | |
379 | (VOID **) &LoadedImage\r | |
380 | );\r | |
381 | ASSERT_EFI_ERROR (Status);\r | |
382 | \r | |
383 | EfiInitializeFwVolDevicepathNode (&FileNode, FileGuid);\r | |
384 | DevicePath = DevicePathFromHandle (LoadedImage->DeviceHandle);\r | |
385 | ASSERT (DevicePath != NULL);\r | |
386 | DevicePath = AppendDevicePathNode (\r | |
387 | DevicePath,\r | |
388 | (EFI_DEVICE_PATH_PROTOCOL *) &FileNode\r | |
389 | );\r | |
390 | ASSERT (DevicePath != NULL);\r | |
391 | \r | |
392 | Status = EfiBootManagerInitializeLoadOption (\r | |
393 | &NewOption,\r | |
394 | LoadOptionNumberUnassigned,\r | |
395 | LoadOptionTypeBoot,\r | |
396 | Attributes,\r | |
397 | Description,\r | |
398 | DevicePath,\r | |
399 | NULL,\r | |
400 | 0\r | |
401 | );\r | |
402 | ASSERT_EFI_ERROR (Status);\r | |
403 | FreePool (DevicePath);\r | |
404 | \r | |
405 | BootOptions = EfiBootManagerGetLoadOptions (\r | |
406 | &BootOptionCount, LoadOptionTypeBoot\r | |
407 | );\r | |
408 | \r | |
409 | OptionIndex = EfiBootManagerFindLoadOption (\r | |
410 | &NewOption, BootOptions, BootOptionCount\r | |
411 | );\r | |
412 | \r | |
413 | if (OptionIndex == -1) {\r | |
414 | Status = EfiBootManagerAddLoadOptionVariable (&NewOption, MAX_UINTN);\r | |
415 | ASSERT_EFI_ERROR (Status);\r | |
321b0788 AB |
416 | Status = EfiBootManagerAddKeyOptionVariable (NULL,\r |
417 | (UINT16)NewOption.OptionNumber, 0, Key, NULL);\r | |
418 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
c976f9cb AB |
419 | }\r |
420 | EfiBootManagerFreeLoadOption (&NewOption);\r | |
421 | EfiBootManagerFreeLoadOptions (BootOptions, BootOptionCount);\r | |
422 | }\r | |
423 | \r | |
424 | \r | |
1b6e7633 HZ |
425 | STATIC\r |
426 | VOID\r | |
427 | GetPlatformOptions (\r | |
428 | VOID\r | |
429 | )\r | |
430 | {\r | |
431 | EFI_STATUS Status;\r | |
432 | EFI_BOOT_MANAGER_LOAD_OPTION *CurrentBootOptions;\r | |
433 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r | |
434 | EFI_INPUT_KEY *BootKeys;\r | |
435 | PLATFORM_BOOT_MANAGER_PROTOCOL *PlatformBootManager;\r | |
436 | UINTN CurrentBootOptionCount;\r | |
437 | UINTN Index;\r | |
438 | UINTN BootCount;\r | |
439 | \r | |
440 | Status = gBS->LocateProtocol (&gPlatformBootManagerProtocolGuid, NULL,\r | |
441 | (VOID **)&PlatformBootManager);\r | |
442 | if (EFI_ERROR (Status)) {\r | |
443 | return;\r | |
444 | }\r | |
445 | Status = PlatformBootManager->GetPlatformBootOptionsAndKeys (\r | |
446 | &BootCount,\r | |
447 | &BootOptions,\r | |
448 | &BootKeys\r | |
449 | );\r | |
450 | if (EFI_ERROR (Status)) {\r | |
451 | return;\r | |
452 | }\r | |
453 | //\r | |
454 | // Fetch the existent boot options. If there are none, CurrentBootCount\r | |
455 | // will be zeroed.\r | |
456 | //\r | |
457 | CurrentBootOptions = EfiBootManagerGetLoadOptions (\r | |
458 | &CurrentBootOptionCount,\r | |
459 | LoadOptionTypeBoot\r | |
460 | );\r | |
461 | //\r | |
462 | // Process the platform boot options.\r | |
463 | //\r | |
464 | for (Index = 0; Index < BootCount; Index++) {\r | |
465 | INTN Match;\r | |
466 | UINTN BootOptionNumber;\r | |
467 | \r | |
468 | //\r | |
469 | // If there are any preexistent boot options, and the subject platform boot\r | |
470 | // option is already among them, then don't try to add it. Just get its\r | |
471 | // assigned boot option number so we can associate a hotkey with it. Note\r | |
472 | // that EfiBootManagerFindLoadOption() deals fine with (CurrentBootOptions\r | |
473 | // == NULL) if (CurrentBootCount == 0).\r | |
474 | //\r | |
475 | Match = EfiBootManagerFindLoadOption (\r | |
476 | &BootOptions[Index],\r | |
477 | CurrentBootOptions,\r | |
478 | CurrentBootOptionCount\r | |
479 | );\r | |
480 | if (Match >= 0) {\r | |
481 | BootOptionNumber = CurrentBootOptions[Match].OptionNumber;\r | |
482 | } else {\r | |
483 | //\r | |
484 | // Add the platform boot options as a new one, at the end of the boot\r | |
485 | // order. Note that if the platform provided this boot option with an\r | |
486 | // unassigned option number, then the below function call will assign a\r | |
487 | // number.\r | |
488 | //\r | |
489 | Status = EfiBootManagerAddLoadOptionVariable (\r | |
490 | &BootOptions[Index],\r | |
491 | MAX_UINTN\r | |
492 | );\r | |
493 | if (EFI_ERROR (Status)) {\r | |
494 | DEBUG ((DEBUG_ERROR, "%a: failed to register \"%s\": %r\n",\r | |
495 | __FUNCTION__, BootOptions[Index].Description, Status));\r | |
496 | continue;\r | |
497 | }\r | |
498 | BootOptionNumber = BootOptions[Index].OptionNumber;\r | |
499 | }\r | |
500 | \r | |
501 | //\r | |
502 | // Register a hotkey with the boot option, if requested.\r | |
503 | //\r | |
504 | if (BootKeys[Index].UnicodeChar == L'\0') {\r | |
505 | continue;\r | |
506 | }\r | |
507 | \r | |
508 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
509 | NULL,\r | |
510 | BootOptionNumber,\r | |
511 | 0,\r | |
2b2959dd | 512 | &BootKeys[Index],\r |
1b6e7633 HZ |
513 | NULL\r |
514 | );\r | |
515 | if (EFI_ERROR (Status)) {\r | |
516 | DEBUG ((DEBUG_ERROR, "%a: failed to register hotkey for \"%s\": %r\n",\r | |
517 | __FUNCTION__, BootOptions[Index].Description, Status));\r | |
518 | }\r | |
519 | }\r | |
520 | EfiBootManagerFreeLoadOptions (CurrentBootOptions, CurrentBootOptionCount);\r | |
521 | EfiBootManagerFreeLoadOptions (BootOptions, BootCount);\r | |
522 | FreePool (BootKeys);\r | |
523 | }\r | |
524 | \r | |
c976f9cb AB |
525 | STATIC\r |
526 | VOID\r | |
527 | PlatformRegisterOptionsAndKeys (\r | |
528 | VOID\r | |
529 | )\r | |
530 | {\r | |
531 | EFI_STATUS Status;\r | |
532 | EFI_INPUT_KEY Enter;\r | |
533 | EFI_INPUT_KEY F2;\r | |
534 | EFI_INPUT_KEY Esc;\r | |
535 | EFI_BOOT_MANAGER_LOAD_OPTION BootOption;\r | |
536 | \r | |
1b6e7633 HZ |
537 | GetPlatformOptions ();\r |
538 | \r | |
c976f9cb AB |
539 | //\r |
540 | // Register ENTER as CONTINUE key\r | |
541 | //\r | |
542 | Enter.ScanCode = SCAN_NULL;\r | |
543 | Enter.UnicodeChar = CHAR_CARRIAGE_RETURN;\r | |
544 | Status = EfiBootManagerRegisterContinueKeyOption (0, &Enter, NULL);\r | |
545 | ASSERT_EFI_ERROR (Status);\r | |
546 | \r | |
547 | //\r | |
548 | // Map F2 and ESC to Boot Manager Menu\r | |
549 | //\r | |
550 | F2.ScanCode = SCAN_F2;\r | |
551 | F2.UnicodeChar = CHAR_NULL;\r | |
552 | Esc.ScanCode = SCAN_ESC;\r | |
553 | Esc.UnicodeChar = CHAR_NULL;\r | |
554 | Status = EfiBootManagerGetBootManagerMenu (&BootOption);\r | |
555 | ASSERT_EFI_ERROR (Status);\r | |
556 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
557 | NULL, (UINT16) BootOption.OptionNumber, 0, &F2, NULL\r | |
558 | );\r | |
559 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
560 | Status = EfiBootManagerAddKeyOptionVariable (\r | |
561 | NULL, (UINT16) BootOption.OptionNumber, 0, &Esc, NULL\r | |
562 | );\r | |
563 | ASSERT (Status == EFI_SUCCESS || Status == EFI_ALREADY_STARTED);\r | |
564 | }\r | |
565 | \r | |
566 | \r | |
567 | //\r | |
568 | // BDS Platform Functions\r | |
569 | //\r | |
570 | /**\r | |
571 | Do the platform init, can be customized by OEM/IBV\r | |
572 | Possible things that can be done in PlatformBootManagerBeforeConsole:\r | |
573 | > Update console variable: 1. include hot-plug devices;\r | |
574 | > 2. Clear ConIn and add SOL for AMT\r | |
575 | > Register new Driver#### or Boot####\r | |
576 | > Register new Key####: e.g.: F12\r | |
577 | > Signal ReadyToLock event\r | |
578 | > Authentication action: 1. connect Auth devices;\r | |
579 | > 2. Identify auto logon user.\r | |
580 | **/\r | |
581 | VOID\r | |
582 | EFIAPI\r | |
583 | PlatformBootManagerBeforeConsole (\r | |
584 | VOID\r | |
585 | )\r | |
586 | {\r | |
587 | //\r | |
588 | // Signal EndOfDxe PI Event\r | |
589 | //\r | |
590 | EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);\r | |
591 | \r | |
0f9395d7 SM |
592 | //\r |
593 | // Dispatch deferred images after EndOfDxe event.\r | |
594 | //\r | |
595 | EfiBootManagerDispatchDeferredImages ();\r | |
596 | \r | |
c976f9cb AB |
597 | //\r |
598 | // Locate the PCI root bridges and make the PCI bus driver connect each,\r | |
599 | // non-recursively. This will produce a number of child handles with PciIo on\r | |
600 | // them.\r | |
601 | //\r | |
602 | FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);\r | |
603 | \r | |
604 | //\r | |
605 | // Find all display class PCI devices (using the handles from the previous\r | |
606 | // step), and connect them non-recursively. This should produce a number of\r | |
607 | // child handles with GOPs on them.\r | |
608 | //\r | |
609 | FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);\r | |
610 | \r | |
611 | //\r | |
612 | // Now add the device path of all handles with GOP on them to ConOut and\r | |
613 | // ErrOut.\r | |
614 | //\r | |
615 | FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);\r | |
616 | \r | |
0ae52d4f AB |
617 | //\r |
618 | // The core BDS code connects short-form USB device paths by explicitly\r | |
619 | // looking for handles with PCI I/O installed, and checking the PCI class\r | |
620 | // code whether it matches the one for a USB host controller. This means\r | |
621 | // non-discoverable USB host controllers need to have the non-discoverable\r | |
622 | // PCI driver attached first.\r | |
623 | //\r | |
624 | FilterAndProcess (&gEdkiiNonDiscoverableDeviceProtocolGuid, IsUsbHost, Connect);\r | |
625 | \r | |
c976f9cb AB |
626 | //\r |
627 | // Add the hardcoded short-form USB keyboard device path to ConIn.\r | |
628 | //\r | |
629 | EfiBootManagerUpdateConsoleVariable (ConIn,\r | |
630 | (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);\r | |
631 | \r | |
632 | //\r | |
633 | // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.\r | |
634 | //\r | |
b1d3895f AB |
635 | STATIC_ASSERT (FixedPcdGet8 (PcdDefaultTerminalType) == 4,\r |
636 | "PcdDefaultTerminalType must be TTYTERM");\r | |
7191dd3c AB |
637 | STATIC_ASSERT (FixedPcdGet8 (PcdUartDefaultParity) != 0,\r |
638 | "PcdUartDefaultParity must be set to an actual value, not 'default'");\r | |
639 | STATIC_ASSERT (FixedPcdGet8 (PcdUartDefaultStopBits) != 0,\r | |
640 | "PcdUartDefaultStopBits must be set to an actual value, not 'default'");\r | |
b1d3895f | 641 | \r |
c976f9cb AB |
642 | CopyGuid (&mSerialConsole.TermType.Guid, &gEfiTtyTermGuid);\r |
643 | \r | |
644 | EfiBootManagerUpdateConsoleVariable (ConIn,\r | |
645 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
646 | EfiBootManagerUpdateConsoleVariable (ConOut,\r | |
647 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
648 | EfiBootManagerUpdateConsoleVariable (ErrOut,\r | |
649 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
650 | \r | |
651 | //\r | |
652 | // Register platform-specific boot options and keyboard shortcuts.\r | |
653 | //\r | |
654 | PlatformRegisterOptionsAndKeys ();\r | |
655 | }\r | |
656 | \r | |
cae82316 AB |
657 | STATIC\r |
658 | VOID\r | |
659 | HandleCapsules (\r | |
660 | VOID\r | |
661 | )\r | |
662 | {\r | |
663 | ESRT_MANAGEMENT_PROTOCOL *EsrtManagement;\r | |
664 | EFI_PEI_HOB_POINTERS HobPointer;\r | |
665 | EFI_CAPSULE_HEADER *CapsuleHeader;\r | |
666 | BOOLEAN NeedReset;\r | |
667 | EFI_STATUS Status;\r | |
668 | \r | |
669 | DEBUG ((DEBUG_INFO, "%a: processing capsules ...\n", __FUNCTION__));\r | |
670 | \r | |
671 | Status = gBS->LocateProtocol (&gEsrtManagementProtocolGuid, NULL,\r | |
672 | (VOID **)&EsrtManagement);\r | |
673 | if (!EFI_ERROR (Status)) {\r | |
674 | EsrtManagement->SyncEsrtFmp ();\r | |
675 | }\r | |
676 | \r | |
677 | //\r | |
678 | // Find all capsule images from hob\r | |
679 | //\r | |
680 | HobPointer.Raw = GetHobList ();\r | |
681 | NeedReset = FALSE;\r | |
682 | while ((HobPointer.Raw = GetNextHob (EFI_HOB_TYPE_UEFI_CAPSULE,\r | |
683 | HobPointer.Raw)) != NULL) {\r | |
684 | CapsuleHeader = (VOID *)(UINTN)HobPointer.Capsule->BaseAddress;\r | |
685 | \r | |
686 | Status = ProcessCapsuleImage (CapsuleHeader);\r | |
687 | if (EFI_ERROR (Status)) {\r | |
688 | DEBUG ((DEBUG_ERROR, "%a: failed to process capsule %p - %r\n",\r | |
689 | __FUNCTION__, CapsuleHeader, Status));\r | |
690 | return;\r | |
691 | }\r | |
692 | \r | |
693 | NeedReset = TRUE;\r | |
694 | HobPointer.Raw = GET_NEXT_HOB (HobPointer);\r | |
695 | }\r | |
696 | \r | |
697 | if (NeedReset) {\r | |
698 | DEBUG ((DEBUG_WARN, "%a: capsule update successful, resetting ...\n",\r | |
699 | __FUNCTION__));\r | |
700 | \r | |
701 | gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r | |
702 | CpuDeadLoop();\r | |
703 | }\r | |
704 | }\r | |
705 | \r | |
706 | \r | |
6c4194c9 AB |
707 | #define VERSION_STRING_PREFIX L"Tianocore/EDK2 firmware version "\r |
708 | \r | |
cae735f6 GB |
709 | /**\r |
710 | This functions checks the value of BootDiscoverPolicy variable and\r | |
711 | connect devices of class specified by that variable. Then it refreshes\r | |
712 | Boot order for newly discovered boot device.\r | |
713 | \r | |
714 | @retval EFI_SUCCESS Devices connected successfully or connection\r | |
715 | not required.\r | |
716 | @retval others Return values from GetVariable(), LocateProtocol()\r | |
717 | and ConnectDeviceClass().\r | |
718 | **/\r | |
719 | STATIC\r | |
720 | EFI_STATUS\r | |
721 | BootDiscoveryPolicyHandler (\r | |
722 | VOID\r | |
723 | )\r | |
724 | {\r | |
725 | EFI_STATUS Status;\r | |
726 | UINT32 DiscoveryPolicy;\r | |
727 | UINT32 DiscoveryPolicyOld;\r | |
728 | UINTN Size;\r | |
729 | EFI_BOOT_MANAGER_POLICY_PROTOCOL *BMPolicy;\r | |
730 | EFI_GUID *Class;\r | |
731 | \r | |
732 | Size = sizeof (DiscoveryPolicy);\r | |
733 | Status = gRT->GetVariable (\r | |
734 | BOOT_DISCOVERY_POLICY_VAR,\r | |
735 | &gBootDiscoveryPolicyMgrFormsetGuid,\r | |
736 | NULL,\r | |
737 | &Size,\r | |
738 | &DiscoveryPolicy\r | |
739 | );\r | |
740 | if (Status == EFI_NOT_FOUND) {\r | |
741 | DiscoveryPolicy = PcdGet32 (PcdBootDiscoveryPolicy);\r | |
742 | Status = PcdSet32S (PcdBootDiscoveryPolicy, DiscoveryPolicy);\r | |
743 | if (Status == EFI_NOT_FOUND) {\r | |
744 | return EFI_SUCCESS;\r | |
745 | } else if (EFI_ERROR (Status)) {\r | |
746 | return Status;\r | |
747 | }\r | |
748 | } else if (EFI_ERROR (Status)) {\r | |
749 | return Status;\r | |
750 | }\r | |
751 | \r | |
752 | if (DiscoveryPolicy == BDP_CONNECT_MINIMAL) {\r | |
753 | return EFI_SUCCESS;\r | |
754 | }\r | |
755 | \r | |
756 | switch (DiscoveryPolicy) {\r | |
757 | case BDP_CONNECT_NET:\r | |
758 | Class = &gEfiBootManagerPolicyNetworkGuid;\r | |
759 | break;\r | |
760 | case BDP_CONNECT_ALL:\r | |
761 | Class = &gEfiBootManagerPolicyConnectAllGuid;\r | |
762 | break;\r | |
763 | default:\r | |
764 | DEBUG ((\r | |
765 | DEBUG_INFO,\r | |
766 | "%a - Unexpected DiscoveryPolicy (0x%x). Run Minimal Discovery Policy\n",\r | |
767 | __FUNCTION__,\r | |
768 | DiscoveryPolicy\r | |
769 | ));\r | |
770 | return EFI_SUCCESS;\r | |
771 | }\r | |
772 | \r | |
773 | Status = gBS->LocateProtocol (\r | |
774 | &gEfiBootManagerPolicyProtocolGuid,\r | |
775 | NULL,\r | |
776 | (VOID **)&BMPolicy\r | |
777 | );\r | |
778 | if (EFI_ERROR (Status)) {\r | |
779 | DEBUG ((DEBUG_INFO, "%a - Failed to locate gEfiBootManagerPolicyProtocolGuid."\r | |
780 | "Driver connect will be skipped.\n", __FUNCTION__));\r | |
781 | return Status;\r | |
782 | }\r | |
783 | \r | |
784 | Status = BMPolicy->ConnectDeviceClass (BMPolicy, Class);\r | |
785 | if (EFI_ERROR (Status)){\r | |
786 | DEBUG ((DEBUG_ERROR, "%a - ConnectDeviceClass returns - %r\n", __FUNCTION__, Status));\r | |
787 | return Status;\r | |
788 | }\r | |
789 | \r | |
790 | //\r | |
791 | // Refresh Boot Options if Boot Discovery Policy has been changed\r | |
792 | //\r | |
793 | Size = sizeof (DiscoveryPolicyOld);\r | |
794 | Status = gRT->GetVariable (\r | |
795 | BOOT_DISCOVERY_POLICY_OLD_VAR,\r | |
796 | &gBootDiscoveryPolicyMgrFormsetGuid,\r | |
797 | NULL,\r | |
798 | &Size,\r | |
799 | &DiscoveryPolicyOld\r | |
800 | );\r | |
801 | if ((Status == EFI_NOT_FOUND) || (DiscoveryPolicyOld != DiscoveryPolicy)) {\r | |
802 | EfiBootManagerRefreshAllBootOption ();\r | |
803 | \r | |
804 | Status = gRT->SetVariable (\r | |
805 | BOOT_DISCOVERY_POLICY_OLD_VAR,\r | |
806 | &gBootDiscoveryPolicyMgrFormsetGuid,\r | |
807 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
808 | sizeof (DiscoveryPolicyOld),\r | |
809 | &DiscoveryPolicy\r | |
810 | );\r | |
811 | }\r | |
812 | \r | |
813 | return EFI_SUCCESS;\r | |
814 | }\r | |
815 | \r | |
c976f9cb AB |
816 | /**\r |
817 | Do the platform specific action after the console is ready\r | |
818 | Possible things that can be done in PlatformBootManagerAfterConsole:\r | |
819 | > Console post action:\r | |
ff5fef14 | 820 | > Dynamically switch output mode from 100x31 to 80x25 for certain scenario\r |
c976f9cb AB |
821 | > Signal console ready platform customized event\r |
822 | > Run diagnostics like memory testing\r | |
823 | > Connect certain devices\r | |
ff5fef14 | 824 | > Dispatch additional option roms\r |
c976f9cb AB |
825 | > Special boot: e.g.: USB boot, enter UI\r |
826 | **/\r | |
827 | VOID\r | |
828 | EFIAPI\r | |
829 | PlatformBootManagerAfterConsole (\r | |
830 | VOID\r | |
831 | )\r | |
832 | {\r | |
13ca0abb | 833 | EFI_STATUS Status;\r |
6c4194c9 AB |
834 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r |
835 | UINTN FirmwareVerLength;\r | |
836 | UINTN PosX;\r | |
837 | UINTN PosY;\r | |
321b0788 | 838 | EFI_INPUT_KEY Key;\r |
6c4194c9 AB |
839 | \r |
840 | FirmwareVerLength = StrLen (PcdGetPtr (PcdFirmwareVersionString));\r | |
c976f9cb AB |
841 | \r |
842 | //\r | |
843 | // Show the splash screen.\r | |
844 | //\r | |
a43d75e1 AB |
845 | Status = BootLogoEnableLogo ();\r |
846 | if (EFI_ERROR (Status)) {\r | |
6c4194c9 | 847 | if (FirmwareVerLength > 0) {\r |
26b99f3b | 848 | Print (VERSION_STRING_PREFIX L"%s\n",\r |
6c4194c9 AB |
849 | PcdGetPtr (PcdFirmwareVersionString));\r |
850 | }\r | |
a43d75e1 | 851 | Print (L"Press ESCAPE for boot options ");\r |
6c4194c9 AB |
852 | } else if (FirmwareVerLength > 0) {\r |
853 | Status = gBS->HandleProtocol (gST->ConsoleOutHandle,\r | |
854 | &gEfiGraphicsOutputProtocolGuid, (VOID **)&GraphicsOutput);\r | |
855 | if (!EFI_ERROR (Status)) {\r | |
856 | PosX = (GraphicsOutput->Mode->Info->HorizontalResolution -\r | |
857 | (StrLen (VERSION_STRING_PREFIX) + FirmwareVerLength) *\r | |
858 | EFI_GLYPH_WIDTH) / 2;\r | |
859 | PosY = 0;\r | |
860 | \r | |
861 | PrintXY (PosX, PosY, NULL, NULL, VERSION_STRING_PREFIX L"%s",\r | |
862 | PcdGetPtr (PcdFirmwareVersionString));\r | |
863 | }\r | |
a43d75e1 | 864 | }\r |
6c4194c9 | 865 | \r |
cae735f6 GB |
866 | //\r |
867 | // Connect device specified by BootDiscoverPolicy variable and\r | |
868 | // refresh Boot order for newly discovered boot devices\r | |
869 | //\r | |
870 | BootDiscoveryPolicyHandler ();\r | |
871 | \r | |
cae82316 AB |
872 | //\r |
873 | // On ARM, there is currently no reason to use the phased capsule\r | |
874 | // update approach where some capsules are dispatched before EndOfDxe\r | |
875 | // and some are dispatched after. So just handle all capsules here,\r | |
876 | // when the console is up and we can actually give the user some\r | |
877 | // feedback about what is going on.\r | |
878 | //\r | |
879 | HandleCapsules ();\r | |
4bbcc285 | 880 | \r |
c976f9cb AB |
881 | //\r |
882 | // Register UEFI Shell\r | |
883 | //\r | |
321b0788 AB |
884 | Key.ScanCode = SCAN_NULL;\r |
885 | Key.UnicodeChar = L's';\r | |
344f615d | 886 | PlatformRegisterFvBootOption (&gUefiShellFileGuid, L"UEFI Shell", 0, &Key);\r |
c976f9cb AB |
887 | }\r |
888 | \r | |
889 | /**\r | |
890 | This function is called each second during the boot manager waits the\r | |
891 | timeout.\r | |
892 | \r | |
893 | @param TimeoutRemain The remaining timeout.\r | |
894 | **/\r | |
895 | VOID\r | |
896 | EFIAPI\r | |
897 | PlatformBootManagerWaitCallback (\r | |
898 | UINT16 TimeoutRemain\r | |
899 | )\r | |
900 | {\r | |
a43d75e1 AB |
901 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Black;\r |
902 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION White;\r | |
903 | UINT16 Timeout;\r | |
904 | EFI_STATUS Status;\r | |
905 | \r | |
906 | Timeout = PcdGet16 (PcdPlatformBootTimeOut);\r | |
907 | \r | |
908 | Black.Raw = 0x00000000;\r | |
909 | White.Raw = 0x00FFFFFF;\r | |
910 | \r | |
911 | Status = BootLogoUpdateProgress (\r | |
912 | White.Pixel,\r | |
913 | Black.Pixel,\r | |
914 | L"Press ESCAPE for boot options",\r | |
915 | White.Pixel,\r | |
916 | (Timeout - TimeoutRemain) * 100 / Timeout,\r | |
917 | 0\r | |
918 | );\r | |
919 | if (EFI_ERROR (Status)) {\r | |
920 | Print (L".");\r | |
921 | }\r | |
c976f9cb | 922 | }\r |
eea668c9 RN |
923 | \r |
924 | /**\r | |
925 | The function is called when no boot option could be launched,\r | |
926 | including platform recovery options and options pointing to applications\r | |
927 | built into firmware volumes.\r | |
928 | \r | |
929 | If this function returns, BDS attempts to enter an infinite loop.\r | |
930 | **/\r | |
931 | VOID\r | |
932 | EFIAPI\r | |
933 | PlatformBootManagerUnableToBoot (\r | |
934 | VOID\r | |
935 | )\r | |
936 | {\r | |
40e2e3ca AB |
937 | EFI_STATUS Status;\r |
938 | EFI_BOOT_MANAGER_LOAD_OPTION BootManagerMenu;\r | |
2d233af6 AB |
939 | EFI_BOOT_MANAGER_LOAD_OPTION *BootOptions;\r |
940 | UINTN OldBootOptionCount;\r | |
941 | UINTN NewBootOptionCount;\r | |
942 | \r | |
943 | //\r | |
944 | // Record the total number of boot configured boot options\r | |
945 | //\r | |
946 | BootOptions = EfiBootManagerGetLoadOptions (&OldBootOptionCount,\r | |
947 | LoadOptionTypeBoot);\r | |
948 | EfiBootManagerFreeLoadOptions (BootOptions, OldBootOptionCount);\r | |
949 | \r | |
950 | //\r | |
951 | // Connect all devices, and regenerate all boot options\r | |
952 | //\r | |
953 | EfiBootManagerConnectAll ();\r | |
954 | EfiBootManagerRefreshAllBootOption ();\r | |
955 | \r | |
956 | //\r | |
957 | // Record the updated number of boot configured boot options\r | |
958 | //\r | |
959 | BootOptions = EfiBootManagerGetLoadOptions (&NewBootOptionCount,\r | |
960 | LoadOptionTypeBoot);\r | |
961 | EfiBootManagerFreeLoadOptions (BootOptions, NewBootOptionCount);\r | |
962 | \r | |
963 | //\r | |
964 | // If the number of configured boot options has changed, reboot\r | |
965 | // the system so the new boot options will be taken into account\r | |
966 | // while executing the ordinary BDS bootflow sequence.\r | |
1b6c3a94 LL |
967 | // *Unless* persistent varstore is being emulated, since we would\r |
968 | // then end up in an endless reboot loop.\r | |
2d233af6 | 969 | //\r |
1b6c3a94 LL |
970 | if (!PcdGetBool (PcdEmuVariableNvModeEnable)) {\r |
971 | if (NewBootOptionCount != OldBootOptionCount) {\r | |
972 | DEBUG ((DEBUG_WARN, "%a: rebooting after refreshing all boot options\n",\r | |
973 | __FUNCTION__));\r | |
974 | gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r | |
975 | }\r | |
2d233af6 | 976 | }\r |
40e2e3ca AB |
977 | \r |
978 | Status = EfiBootManagerGetBootManagerMenu (&BootManagerMenu);\r | |
979 | if (EFI_ERROR (Status)) {\r | |
980 | return;\r | |
981 | }\r | |
982 | \r | |
983 | for (;;) {\r | |
984 | EfiBootManagerBoot (&BootManagerMenu);\r | |
985 | }\r | |
eea668c9 | 986 | }\r |