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be8afe14 | 1 | /** @file\r |
e4fbd18f | 2 | Implementation for PlatformBdsLib library class interfaces.\r |
be8afe14 | 3 | \r |
60dc18a1 | 4 | Copyright (C) 2015, Red Hat, Inc.\r |
e4fbd18f LE |
5 | Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>\r |
6 | Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>\r | |
be8afe14 | 7 | \r |
e4fbd18f LE |
8 | This program and the accompanying materials are licensed and made available\r |
9 | under the terms and conditions of the BSD License which accompanies this\r | |
10 | distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
be8afe14 | 12 | \r |
e4fbd18f LE |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r |
14 | WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
be8afe14 LE |
15 | \r |
16 | **/\r | |
17 | \r | |
60dc18a1 LE |
18 | #include <IndustryStandard/Pci22.h>\r |
19 | #include <Library/DevicePathLib.h>\r | |
20 | #include <Library/PcdLib.h>\r | |
ba67a145 | 21 | #include <Library/PlatformBdsLib.h>\r |
274b4a8d | 22 | #include <Library/QemuBootOrderLib.h>\r |
60dc18a1 LE |
23 | #include <Protocol/DevicePath.h>\r |
24 | #include <Protocol/GraphicsOutput.h>\r | |
25 | #include <Protocol/PciIo.h>\r | |
26 | #include <Protocol/PciRootBridgeIo.h>\r | |
9cd7d3c5 | 27 | #include <Guid/EventGroup.h>\r |
274b4a8d | 28 | \r |
ba67a145 LE |
29 | #include "IntelBdsPlatform.h"\r |
30 | \r | |
60dc18a1 LE |
31 | #define DP_NODE_LEN(Type) { (UINT8)sizeof (Type), (UINT8)(sizeof (Type) >> 8) }\r |
32 | \r | |
33 | \r | |
34 | #pragma pack (1)\r | |
35 | typedef struct {\r | |
36 | VENDOR_DEVICE_PATH SerialDxe;\r | |
37 | UART_DEVICE_PATH Uart;\r | |
a51c1699 | 38 | VENDOR_DEFINED_DEVICE_PATH TermType;\r |
60dc18a1 LE |
39 | EFI_DEVICE_PATH_PROTOCOL End;\r |
40 | } PLATFORM_SERIAL_CONSOLE;\r | |
41 | #pragma pack ()\r | |
42 | \r | |
43 | #define SERIAL_DXE_FILE_GUID { \\r | |
44 | 0xD3987D4B, 0x971A, 0x435F, \\r | |
45 | { 0x8C, 0xAF, 0x49, 0x67, 0xEB, 0x62, 0x72, 0x41 } \\r | |
46 | }\r | |
47 | \r | |
48 | STATIC PLATFORM_SERIAL_CONSOLE mSerialConsole = {\r | |
49 | //\r | |
50 | // VENDOR_DEVICE_PATH SerialDxe\r | |
51 | //\r | |
52 | {\r | |
53 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DP_NODE_LEN (VENDOR_DEVICE_PATH) },\r | |
54 | SERIAL_DXE_FILE_GUID\r | |
55 | },\r | |
56 | \r | |
57 | //\r | |
58 | // UART_DEVICE_PATH Uart\r | |
59 | //\r | |
60 | {\r | |
61 | { MESSAGING_DEVICE_PATH, MSG_UART_DP, DP_NODE_LEN (UART_DEVICE_PATH) },\r | |
62 | 0, // Reserved\r | |
63 | FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate\r | |
64 | FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits\r | |
65 | FixedPcdGet8 (PcdUartDefaultParity), // Parity\r | |
66 | FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits\r | |
67 | },\r | |
68 | \r | |
69 | //\r | |
a51c1699 | 70 | // VENDOR_DEFINED_DEVICE_PATH TermType\r |
60dc18a1 LE |
71 | //\r |
72 | {\r | |
73 | {\r | |
74 | MESSAGING_DEVICE_PATH, MSG_VENDOR_DP,\r | |
75 | DP_NODE_LEN (VENDOR_DEFINED_DEVICE_PATH)\r | |
a51c1699 LE |
76 | }\r |
77 | //\r | |
78 | // Guid to be filled in dynamically\r | |
79 | //\r | |
60dc18a1 LE |
80 | },\r |
81 | \r | |
82 | //\r | |
83 | // EFI_DEVICE_PATH_PROTOCOL End\r | |
84 | //\r | |
85 | {\r | |
86 | END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
87 | DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r | |
88 | }\r | |
89 | };\r | |
90 | \r | |
91 | \r | |
92 | #pragma pack (1)\r | |
93 | typedef struct {\r | |
94 | USB_CLASS_DEVICE_PATH Keyboard;\r | |
95 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
96 | } PLATFORM_USB_KEYBOARD;\r | |
97 | #pragma pack ()\r | |
98 | \r | |
99 | STATIC PLATFORM_USB_KEYBOARD mUsbKeyboard = {\r | |
100 | //\r | |
101 | // USB_CLASS_DEVICE_PATH Keyboard\r | |
102 | //\r | |
103 | {\r | |
104 | {\r | |
105 | MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP,\r | |
106 | DP_NODE_LEN (USB_CLASS_DEVICE_PATH)\r | |
107 | },\r | |
108 | 0xFFFF, // VendorId: any\r | |
109 | 0xFFFF, // ProductId: any\r | |
110 | 3, // DeviceClass: HID\r | |
111 | 1, // DeviceSubClass: boot\r | |
112 | 1 // DeviceProtocol: keyboard\r | |
113 | },\r | |
114 | \r | |
115 | //\r | |
116 | // EFI_DEVICE_PATH_PROTOCOL End\r | |
117 | //\r | |
118 | {\r | |
119 | END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
120 | DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r | |
121 | }\r | |
122 | };\r | |
123 | \r | |
9cd7d3c5 AB |
124 | /**\r |
125 | An empty function to pass error checking of CreateEventEx ().\r | |
126 | \r | |
127 | @param Event Event whose notification function is being invoked.\r | |
128 | @param Context Pointer to the notification function's context,\r | |
129 | which is implementation-dependent.\r | |
130 | \r | |
131 | **/\r | |
132 | STATIC\r | |
133 | VOID\r | |
134 | EFIAPI\r | |
135 | EmptyCallbackFunction (\r | |
136 | IN EFI_EVENT Event,\r | |
137 | IN VOID *Context\r | |
138 | )\r | |
139 | {\r | |
140 | }\r | |
60dc18a1 | 141 | \r |
be8afe14 LE |
142 | //\r |
143 | // BDS Platform Functions\r | |
144 | //\r | |
145 | /**\r | |
146 | Platform Bds init. Include the platform firmware vendor, revision\r | |
147 | and so crc check.\r | |
148 | \r | |
149 | **/\r | |
150 | VOID\r | |
151 | EFIAPI\r | |
152 | PlatformBdsInit (\r | |
153 | VOID\r | |
154 | )\r | |
155 | {\r | |
9cd7d3c5 AB |
156 | EFI_EVENT EndOfDxeEvent;\r |
157 | EFI_STATUS Status;\r | |
158 | \r | |
159 | //\r | |
160 | // Signal EndOfDxe PI Event\r | |
161 | //\r | |
162 | Status = gBS->CreateEventEx (\r | |
163 | EVT_NOTIFY_SIGNAL,\r | |
164 | TPL_CALLBACK,\r | |
165 | EmptyCallbackFunction,\r | |
166 | NULL,\r | |
167 | &gEfiEndOfDxeEventGroupGuid,\r | |
168 | &EndOfDxeEvent\r | |
169 | );\r | |
170 | if (!EFI_ERROR (Status)) {\r | |
171 | gBS->SignalEvent (EndOfDxeEvent);\r | |
172 | gBS->CloseEvent (EndOfDxeEvent);\r | |
173 | }\r | |
be8afe14 LE |
174 | }\r |
175 | \r | |
60dc18a1 LE |
176 | \r |
177 | /**\r | |
178 | Check if the handle satisfies a particular condition.\r | |
179 | \r | |
180 | @param[in] Handle The handle to check.\r | |
181 | @param[in] ReportText A caller-allocated string passed in for reporting\r | |
182 | purposes. It must never be NULL.\r | |
183 | \r | |
184 | @retval TRUE The condition is satisfied.\r | |
185 | @retval FALSE Otherwise. This includes the case when the condition could not\r | |
186 | be fully evaluated due to an error.\r | |
187 | **/\r | |
188 | typedef\r | |
189 | BOOLEAN\r | |
190 | (EFIAPI *FILTER_FUNCTION) (\r | |
191 | IN EFI_HANDLE Handle,\r | |
192 | IN CONST CHAR16 *ReportText\r | |
193 | );\r | |
194 | \r | |
195 | \r | |
196 | /**\r | |
197 | Process a handle.\r | |
198 | \r | |
199 | @param[in] Handle The handle to process.\r | |
200 | @param[in] ReportText A caller-allocated string passed in for reporting\r | |
201 | purposes. It must never be NULL.\r | |
202 | **/\r | |
203 | typedef\r | |
204 | VOID\r | |
205 | (EFIAPI *CALLBACK_FUNCTION) (\r | |
206 | IN EFI_HANDLE Handle,\r | |
207 | IN CONST CHAR16 *ReportText\r | |
208 | );\r | |
209 | \r | |
210 | /**\r | |
211 | Locate all handles that carry the specified protocol, filter them with a\r | |
212 | callback function, and pass each handle that passes the filter to another\r | |
213 | callback.\r | |
214 | \r | |
215 | @param[in] ProtocolGuid The protocol to look for.\r | |
216 | \r | |
217 | @param[in] Filter The filter function to pass each handle to. If this\r | |
218 | parameter is NULL, then all handles are processed.\r | |
219 | \r | |
220 | @param[in] Process The callback function to pass each handle to that\r | |
221 | clears the filter.\r | |
222 | **/\r | |
223 | STATIC\r | |
224 | VOID\r | |
225 | FilterAndProcess (\r | |
226 | IN EFI_GUID *ProtocolGuid,\r | |
227 | IN FILTER_FUNCTION Filter OPTIONAL,\r | |
228 | IN CALLBACK_FUNCTION Process\r | |
229 | )\r | |
230 | {\r | |
231 | EFI_STATUS Status;\r | |
232 | EFI_HANDLE *Handles;\r | |
233 | UINTN NoHandles;\r | |
234 | UINTN Idx;\r | |
235 | \r | |
236 | Status = gBS->LocateHandleBuffer (ByProtocol, ProtocolGuid,\r | |
237 | NULL /* SearchKey */, &NoHandles, &Handles);\r | |
238 | if (EFI_ERROR (Status)) {\r | |
239 | //\r | |
240 | // This is not an error, just an informative condition.\r | |
241 | //\r | |
242 | DEBUG ((EFI_D_VERBOSE, "%a: %g: %r\n", __FUNCTION__, ProtocolGuid,\r | |
243 | Status));\r | |
244 | return;\r | |
245 | }\r | |
246 | \r | |
247 | ASSERT (NoHandles > 0);\r | |
248 | for (Idx = 0; Idx < NoHandles; ++Idx) {\r | |
249 | CHAR16 *DevicePathText;\r | |
250 | STATIC CHAR16 Fallback[] = L"<device path unavailable>";\r | |
251 | \r | |
252 | //\r | |
253 | // The ConvertDevicePathToText() function handles NULL input transparently.\r | |
254 | //\r | |
255 | DevicePathText = ConvertDevicePathToText (\r | |
256 | DevicePathFromHandle (Handles[Idx]),\r | |
257 | FALSE, // DisplayOnly\r | |
258 | FALSE // AllowShortcuts\r | |
259 | );\r | |
260 | if (DevicePathText == NULL) {\r | |
261 | DevicePathText = Fallback;\r | |
262 | }\r | |
263 | \r | |
264 | if (Filter == NULL || Filter (Handles[Idx], DevicePathText)) {\r | |
265 | Process (Handles[Idx], DevicePathText);\r | |
266 | }\r | |
267 | \r | |
268 | if (DevicePathText != Fallback) {\r | |
269 | FreePool (DevicePathText);\r | |
270 | }\r | |
271 | }\r | |
272 | gBS->FreePool (Handles);\r | |
273 | }\r | |
274 | \r | |
275 | \r | |
276 | /**\r | |
277 | This FILTER_FUNCTION checks if a handle corresponds to a PCI display device.\r | |
278 | **/\r | |
279 | STATIC\r | |
280 | BOOLEAN\r | |
281 | EFIAPI\r | |
282 | IsPciDisplay (\r | |
283 | IN EFI_HANDLE Handle,\r | |
284 | IN CONST CHAR16 *ReportText\r | |
285 | )\r | |
286 | {\r | |
287 | EFI_STATUS Status;\r | |
288 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
289 | PCI_TYPE00 Pci;\r | |
290 | \r | |
291 | Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,\r | |
292 | (VOID**)&PciIo);\r | |
293 | if (EFI_ERROR (Status)) {\r | |
294 | //\r | |
295 | // This is not an error worth reporting.\r | |
296 | //\r | |
297 | return FALSE;\r | |
298 | }\r | |
299 | \r | |
300 | Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0 /* Offset */,\r | |
301 | sizeof Pci / sizeof (UINT32), &Pci);\r | |
302 | if (EFI_ERROR (Status)) {\r | |
303 | DEBUG ((EFI_D_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));\r | |
304 | return FALSE;\r | |
305 | }\r | |
306 | \r | |
307 | return IS_PCI_DISPLAY (&Pci);\r | |
308 | }\r | |
309 | \r | |
310 | \r | |
311 | /**\r | |
312 | This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking\r | |
313 | the matching driver to produce all first-level child handles.\r | |
314 | **/\r | |
315 | STATIC\r | |
316 | VOID\r | |
317 | EFIAPI\r | |
318 | Connect (\r | |
319 | IN EFI_HANDLE Handle,\r | |
320 | IN CONST CHAR16 *ReportText\r | |
321 | )\r | |
322 | {\r | |
323 | EFI_STATUS Status;\r | |
324 | \r | |
325 | Status = gBS->ConnectController (\r | |
326 | Handle, // ControllerHandle\r | |
327 | NULL, // DriverImageHandle\r | |
328 | NULL, // RemainingDevicePath -- produce all children\r | |
329 | FALSE // Recursive\r | |
330 | );\r | |
331 | DEBUG ((EFI_ERROR (Status) ? EFI_D_ERROR : EFI_D_VERBOSE, "%a: %s: %r\n",\r | |
332 | __FUNCTION__, ReportText, Status));\r | |
333 | }\r | |
334 | \r | |
335 | \r | |
336 | /**\r | |
337 | This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from the\r | |
338 | handle, and adds it to ConOut and ErrOut.\r | |
339 | **/\r | |
340 | STATIC\r | |
341 | VOID\r | |
342 | EFIAPI\r | |
343 | AddOutput (\r | |
344 | IN EFI_HANDLE Handle,\r | |
345 | IN CONST CHAR16 *ReportText\r | |
346 | )\r | |
347 | {\r | |
348 | EFI_STATUS Status;\r | |
349 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
350 | \r | |
351 | DevicePath = DevicePathFromHandle (Handle);\r | |
352 | if (DevicePath == NULL) {\r | |
353 | DEBUG ((EFI_D_ERROR, "%a: %s: handle %p: device path not found\n",\r | |
354 | __FUNCTION__, ReportText, Handle));\r | |
355 | return;\r | |
356 | }\r | |
357 | \r | |
358 | Status = BdsLibUpdateConsoleVariable (L"ConOut", DevicePath, NULL);\r | |
359 | if (EFI_ERROR (Status)) {\r | |
360 | DEBUG ((EFI_D_ERROR, "%a: %s: adding to ConOut: %r\n", __FUNCTION__,\r | |
361 | ReportText, Status));\r | |
362 | return;\r | |
363 | }\r | |
364 | \r | |
365 | Status = BdsLibUpdateConsoleVariable (L"ErrOut", DevicePath, NULL);\r | |
366 | if (EFI_ERROR (Status)) {\r | |
367 | DEBUG ((EFI_D_ERROR, "%a: %s: adding to ErrOut: %r\n", __FUNCTION__,\r | |
368 | ReportText, Status));\r | |
369 | return;\r | |
370 | }\r | |
371 | \r | |
372 | DEBUG ((EFI_D_VERBOSE, "%a: %s: added to ConOut and ErrOut\n", __FUNCTION__,\r | |
373 | ReportText));\r | |
374 | }\r | |
375 | \r | |
376 | \r | |
be8afe14 LE |
377 | /**\r |
378 | The function will execute with as the platform policy, current policy\r | |
379 | is driven by boot mode. IBV/OEM can customize this code for their specific\r | |
380 | policy action.\r | |
381 | \r | |
382 | @param DriverOptionList The header of the driver option link list\r | |
383 | @param BootOptionList The header of the boot option link list\r | |
384 | @param ProcessCapsules A pointer to ProcessCapsules()\r | |
385 | @param BaseMemoryTest A pointer to BaseMemoryTest()\r | |
386 | \r | |
387 | **/\r | |
388 | VOID\r | |
389 | EFIAPI\r | |
390 | PlatformBdsPolicyBehavior (\r | |
391 | IN LIST_ENTRY *DriverOptionList,\r | |
392 | IN LIST_ENTRY *BootOptionList,\r | |
393 | IN PROCESS_CAPSULES ProcessCapsules,\r | |
394 | IN BASEM_MEMORY_TEST BaseMemoryTest\r | |
395 | )\r | |
396 | {\r | |
60dc18a1 LE |
397 | //\r |
398 | // Locate the PCI root bridges and make the PCI bus driver connect each,\r | |
399 | // non-recursively. This will produce a number of child handles with PciIo on\r | |
400 | // them.\r | |
401 | //\r | |
402 | FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);\r | |
403 | \r | |
404 | //\r | |
405 | // Find all display class PCI devices (using the handles from the previous\r | |
406 | // step), and connect them non-recursively. This should produce a number of\r | |
407 | // child handles with GOPs on them.\r | |
408 | //\r | |
409 | FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);\r | |
410 | \r | |
411 | //\r | |
412 | // Now add the device path of all handles with GOP on them to ConOut and\r | |
413 | // ErrOut.\r | |
414 | //\r | |
415 | FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);\r | |
416 | \r | |
417 | //\r | |
418 | // Add the hardcoded short-form USB keyboard device path to ConIn.\r | |
419 | //\r | |
420 | BdsLibUpdateConsoleVariable (L"ConIn",\r | |
421 | (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);\r | |
422 | \r | |
423 | //\r | |
424 | // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.\r | |
425 | //\r | |
a51c1699 LE |
426 | CopyGuid (&mSerialConsole.TermType.Guid,\r |
427 | PcdGetPtr (PcdTerminalTypeGuidBuffer));\r | |
60dc18a1 LE |
428 | BdsLibUpdateConsoleVariable (L"ConIn",\r |
429 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
430 | BdsLibUpdateConsoleVariable (L"ConOut",\r | |
431 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
432 | BdsLibUpdateConsoleVariable (L"ErrOut",\r | |
433 | (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r | |
434 | \r | |
435 | //\r | |
436 | // Connect the consoles based on the above variables.\r | |
437 | //\r | |
438 | BdsLibConnectAllDefaultConsoles ();\r | |
439 | \r | |
26a36374 LE |
440 | //\r |
441 | // Show the splash screen.\r | |
442 | //\r | |
443 | EnableQuietBoot (PcdGetPtr (PcdLogoFile));\r | |
444 | \r | |
60dc18a1 LE |
445 | //\r |
446 | // Connect the rest of the devices.\r | |
447 | //\r | |
a78c4836 LE |
448 | BdsLibConnectAll ();\r |
449 | \r | |
23d04b58 | 450 | //\r |
a78c4836 LE |
451 | // Process QEMU's -kernel command line option. Note that the kernel booted\r |
452 | // this way should receive ACPI tables, which is why we connect all devices\r | |
453 | // first (see above) -- PCI enumeration blocks ACPI table installation, if\r | |
454 | // there is a PCI host.\r | |
23d04b58 LE |
455 | //\r |
456 | TryRunningQemuKernel ();\r | |
457 | \r | |
1b610ac2 | 458 | BdsLibEnumerateAllBootOption (BootOptionList);\r |
274b4a8d LE |
459 | SetBootOrderFromQemu (BootOptionList);\r |
460 | //\r | |
461 | // The BootOrder variable may have changed, reload the in-memory list with\r | |
462 | // it.\r | |
463 | //\r | |
464 | BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");\r | |
465 | \r | |
9aaf441c | 466 | PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);\r |
be8afe14 LE |
467 | }\r |
468 | \r | |
469 | /**\r | |
470 | Hook point after a boot attempt succeeds. We don't expect a boot option to\r | |
471 | return, so the UEFI 2.0 specification defines that you will default to an\r | |
472 | interactive mode and stop processing the BootOrder list in this case. This\r | |
473 | is also a platform implementation and can be customized by IBV/OEM.\r | |
474 | \r | |
475 | @param Option Pointer to Boot Option that succeeded to boot.\r | |
476 | \r | |
477 | **/\r | |
478 | VOID\r | |
479 | EFIAPI\r | |
480 | PlatformBdsBootSuccess (\r | |
481 | IN BDS_COMMON_OPTION *Option\r | |
482 | )\r | |
483 | {\r | |
484 | }\r | |
485 | \r | |
486 | /**\r | |
487 | Hook point after a boot attempt fails.\r | |
488 | \r | |
489 | @param Option Pointer to Boot Option that failed to boot.\r | |
490 | @param Status Status returned from failed boot.\r | |
491 | @param ExitData Exit data returned from failed boot.\r | |
492 | @param ExitDataSize Exit data size returned from failed boot.\r | |
493 | \r | |
494 | **/\r | |
495 | VOID\r | |
496 | EFIAPI\r | |
497 | PlatformBdsBootFail (\r | |
498 | IN BDS_COMMON_OPTION *Option,\r | |
499 | IN EFI_STATUS Status,\r | |
500 | IN CHAR16 *ExitData,\r | |
501 | IN UINTN ExitDataSize\r | |
502 | )\r | |
503 | {\r | |
504 | }\r | |
505 | \r | |
506 | /**\r | |
507 | This function locks platform flash that is not allowed to be updated during normal boot path.\r | |
508 | The flash layout is platform specific.\r | |
509 | **/\r | |
510 | VOID\r | |
511 | EFIAPI\r | |
512 | PlatformBdsLockNonUpdatableFlash (\r | |
513 | VOID\r | |
514 | )\r | |
515 | {\r | |
516 | return;\r | |
517 | }\r |