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3cbfba02 DW |
1 | /** @file\r |
2 | Misc BDS library function\r | |
3 | \r | |
217abb46 | 4 | Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>\r |
9dc8036d | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
3cbfba02 DW |
6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "InternalBdsLib.h"\r | |
10 | \r | |
11 | \r | |
12 | #define MAX_STRING_LEN 200\r | |
13 | \r | |
14 | BOOLEAN mFeaturerSwitch = TRUE;\r | |
15 | BOOLEAN mResetRequired = FALSE;\r | |
16 | \r | |
17 | extern UINT16 gPlatformBootTimeOutDefault;\r | |
18 | \r | |
19 | /**\r | |
20 | The function will go through the driver option link list, load and start\r | |
21 | every driver the driver option device path point to.\r | |
22 | \r | |
23 | @param BdsDriverLists The header of the current driver option link list\r | |
24 | \r | |
25 | **/\r | |
26 | VOID\r | |
27 | EFIAPI\r | |
28 | BdsLibLoadDrivers (\r | |
29 | IN LIST_ENTRY *BdsDriverLists\r | |
30 | )\r | |
31 | {\r | |
32 | EFI_STATUS Status;\r | |
33 | LIST_ENTRY *Link;\r | |
34 | BDS_COMMON_OPTION *Option;\r | |
35 | EFI_HANDLE ImageHandle;\r | |
36 | EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;\r | |
37 | UINTN ExitDataSize;\r | |
38 | CHAR16 *ExitData;\r | |
39 | BOOLEAN ReconnectAll;\r | |
40 | \r | |
41 | ReconnectAll = FALSE;\r | |
42 | \r | |
43 | //\r | |
44 | // Process the driver option\r | |
45 | //\r | |
46 | for (Link = BdsDriverLists->ForwardLink; Link != BdsDriverLists; Link = Link->ForwardLink) {\r | |
47 | Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);\r | |
48 | \r | |
49 | //\r | |
50 | // If a load option is not marked as LOAD_OPTION_ACTIVE,\r | |
51 | // the boot manager will not automatically load the option.\r | |
52 | //\r | |
53 | if (!IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_ACTIVE)) {\r | |
54 | continue;\r | |
55 | }\r | |
56 | \r | |
57 | //\r | |
58 | // If a driver load option is marked as LOAD_OPTION_FORCE_RECONNECT,\r | |
59 | // then all of the EFI drivers in the system will be disconnected and\r | |
60 | // reconnected after the last driver load option is processed.\r | |
61 | //\r | |
62 | if (IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_FORCE_RECONNECT)) {\r | |
63 | ReconnectAll = TRUE;\r | |
64 | }\r | |
65 | \r | |
66 | //\r | |
67 | // Make sure the driver path is connected.\r | |
68 | //\r | |
69 | BdsLibConnectDevicePath (Option->DevicePath);\r | |
70 | \r | |
71 | //\r | |
72 | // Load and start the image that Driver#### describes\r | |
73 | //\r | |
74 | Status = gBS->LoadImage (\r | |
75 | FALSE,\r | |
76 | gImageHandle,\r | |
77 | Option->DevicePath,\r | |
78 | NULL,\r | |
79 | 0,\r | |
80 | &ImageHandle\r | |
81 | );\r | |
82 | \r | |
83 | if (!EFI_ERROR (Status)) {\r | |
84 | gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);\r | |
85 | \r | |
86 | //\r | |
87 | // Verify whether this image is a driver, if not,\r | |
88 | // exit it and continue to parse next load option\r | |
89 | //\r | |
90 | if (ImageInfo->ImageCodeType != EfiBootServicesCode && ImageInfo->ImageCodeType != EfiRuntimeServicesCode) {\r | |
91 | gBS->Exit (ImageHandle, EFI_INVALID_PARAMETER, 0, NULL);\r | |
92 | continue;\r | |
93 | }\r | |
94 | \r | |
95 | if (Option->LoadOptionsSize != 0) {\r | |
96 | ImageInfo->LoadOptionsSize = Option->LoadOptionsSize;\r | |
97 | ImageInfo->LoadOptions = Option->LoadOptions;\r | |
98 | }\r | |
99 | //\r | |
100 | // Before calling the image, enable the Watchdog Timer for\r | |
101 | // the 5 Minute period\r | |
102 | //\r | |
103 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r | |
104 | \r | |
105 | Status = gBS->StartImage (ImageHandle, &ExitDataSize, &ExitData);\r | |
106 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Driver Return Status = %r\n", Status));\r | |
107 | \r | |
108 | //\r | |
109 | // Clear the Watchdog Timer after the image returns\r | |
110 | //\r | |
111 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r | |
112 | }\r | |
113 | }\r | |
114 | \r | |
115 | //\r | |
116 | // Process the LOAD_OPTION_FORCE_RECONNECT driver option\r | |
117 | //\r | |
118 | if (ReconnectAll) {\r | |
119 | BdsLibDisconnectAllEfi ();\r | |
120 | BdsLibConnectAll ();\r | |
121 | }\r | |
122 | \r | |
123 | }\r | |
124 | \r | |
125 | /**\r | |
126 | Get the Option Number that does not used.\r | |
127 | Try to locate the specific option variable one by one utile find a free number.\r | |
128 | \r | |
129 | @param VariableName Indicate if the boot#### or driver#### option\r | |
130 | \r | |
131 | @return The Minimal Free Option Number\r | |
132 | \r | |
133 | **/\r | |
134 | UINT16\r | |
135 | BdsLibGetFreeOptionNumber (\r | |
136 | IN CHAR16 *VariableName\r | |
137 | )\r | |
138 | {\r | |
139 | UINTN Index;\r | |
140 | CHAR16 StrTemp[10];\r | |
141 | UINT16 *OptionBuffer;\r | |
142 | UINTN OptionSize;\r | |
143 | \r | |
144 | //\r | |
145 | // Try to find the minimum free number from 0, 1, 2, 3....\r | |
146 | //\r | |
147 | Index = 0;\r | |
148 | do {\r | |
149 | if (*VariableName == 'B') {\r | |
150 | UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Boot%04x", Index);\r | |
151 | } else {\r | |
152 | UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Driver%04x", Index);\r | |
153 | }\r | |
154 | //\r | |
155 | // try if the option number is used\r | |
156 | //\r | |
157 | OptionBuffer = BdsLibGetVariableAndSize (\r | |
158 | StrTemp,\r | |
159 | &gEfiGlobalVariableGuid,\r | |
160 | &OptionSize\r | |
161 | );\r | |
162 | if (OptionBuffer == NULL) {\r | |
163 | break;\r | |
164 | }\r | |
217abb46 | 165 | FreePool(OptionBuffer);\r |
3cbfba02 DW |
166 | Index++;\r |
167 | } while (TRUE);\r | |
168 | \r | |
169 | return ((UINT16) Index);\r | |
170 | }\r | |
171 | \r | |
172 | \r | |
173 | /**\r | |
174 | This function will register the new boot#### or driver#### option base on\r | |
175 | the VariableName. The new registered boot#### or driver#### will be linked\r | |
176 | to BdsOptionList and also update to the VariableName. After the boot#### or\r | |
177 | driver#### updated, the BootOrder or DriverOrder will also be updated.\r | |
178 | \r | |
179 | @param BdsOptionList The header of the boot#### or driver#### link list\r | |
180 | @param DevicePath The device path which the boot#### or driver####\r | |
181 | option present\r | |
182 | @param String The description of the boot#### or driver####\r | |
183 | @param VariableName Indicate if the boot#### or driver#### option\r | |
184 | \r | |
185 | @retval EFI_SUCCESS The boot#### or driver#### have been success\r | |
186 | registered\r | |
187 | @retval EFI_STATUS Return the status of gRT->SetVariable ().\r | |
188 | \r | |
189 | **/\r | |
190 | EFI_STATUS\r | |
191 | EFIAPI\r | |
192 | BdsLibRegisterNewOption (\r | |
193 | IN LIST_ENTRY *BdsOptionList,\r | |
194 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
195 | IN CHAR16 *String,\r | |
196 | IN CHAR16 *VariableName\r | |
197 | )\r | |
198 | {\r | |
199 | EFI_STATUS Status;\r | |
200 | UINTN Index;\r | |
201 | UINT16 RegisterOptionNumber;\r | |
202 | UINT16 *TempOptionPtr;\r | |
203 | UINTN TempOptionSize;\r | |
204 | UINT16 *OptionOrderPtr;\r | |
205 | VOID *OptionPtr;\r | |
206 | UINTN OptionSize;\r | |
207 | UINT8 *TempPtr;\r | |
208 | EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;\r | |
209 | CHAR16 *Description;\r | |
210 | CHAR16 OptionName[10];\r | |
211 | BOOLEAN UpdateDescription;\r | |
212 | UINT16 BootOrderEntry;\r | |
213 | UINTN OrderItemNum;\r | |
214 | \r | |
217abb46 SL |
215 | if (DevicePath == NULL) {\r |
216 | return EFI_INVALID_PARAMETER;\r | |
217 | }\r | |
3cbfba02 DW |
218 | \r |
219 | OptionPtr = NULL;\r | |
220 | OptionSize = 0;\r | |
221 | TempPtr = NULL;\r | |
222 | OptionDevicePath = NULL;\r | |
223 | Description = NULL;\r | |
224 | OptionOrderPtr = NULL;\r | |
225 | UpdateDescription = FALSE;\r | |
226 | Status = EFI_SUCCESS;\r | |
227 | ZeroMem (OptionName, sizeof (OptionName));\r | |
228 | \r | |
229 | TempOptionSize = 0;\r | |
230 | TempOptionPtr = BdsLibGetVariableAndSize (\r | |
231 | VariableName,\r | |
232 | &gEfiGlobalVariableGuid,\r | |
233 | &TempOptionSize\r | |
234 | );\r | |
235 | //\r | |
236 | // Compare with current option variable if the previous option is set in global variable.\r | |
237 | //\r | |
238 | for (Index = 0; Index < TempOptionSize / sizeof (UINT16); Index++) {\r | |
239 | //\r | |
240 | // TempOptionPtr must not be NULL if we have non-zero TempOptionSize.\r | |
241 | //\r | |
242 | ASSERT (TempOptionPtr != NULL);\r | |
243 | \r | |
244 | if (*VariableName == 'B') {\r | |
245 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", TempOptionPtr[Index]);\r | |
246 | } else {\r | |
247 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", TempOptionPtr[Index]);\r | |
248 | }\r | |
249 | \r | |
250 | OptionPtr = BdsLibGetVariableAndSize (\r | |
251 | OptionName,\r | |
252 | &gEfiGlobalVariableGuid,\r | |
253 | &OptionSize\r | |
254 | );\r | |
255 | if (OptionPtr == NULL) {\r | |
256 | continue;\r | |
257 | }\r | |
258 | \r | |
259 | //\r | |
260 | // Validate the variable.\r | |
261 | //\r | |
262 | if (!ValidateOption(OptionPtr, OptionSize)) {\r | |
217abb46 | 263 | FreePool(OptionPtr);\r |
3cbfba02 DW |
264 | continue;\r |
265 | }\r | |
266 | \r | |
267 | TempPtr = OptionPtr;\r | |
268 | TempPtr += sizeof (UINT32) + sizeof (UINT16);\r | |
269 | Description = (CHAR16 *) TempPtr;\r | |
270 | TempPtr += StrSize ((CHAR16 *) TempPtr);\r | |
271 | OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
272 | \r | |
273 | //\r | |
274 | // Notes: the description may will change base on the GetStringToken\r | |
275 | //\r | |
276 | if (CompareMem (OptionDevicePath, DevicePath, GetDevicePathSize (OptionDevicePath)) == 0) {\r | |
277 | if (CompareMem (Description, String, StrSize (Description)) == 0) { \r | |
278 | //\r | |
279 | // Got the option, so just return\r | |
280 | //\r | |
281 | FreePool (OptionPtr);\r | |
282 | FreePool (TempOptionPtr);\r | |
283 | return EFI_SUCCESS;\r | |
284 | } else {\r | |
285 | //\r | |
286 | // Option description changed, need update.\r | |
287 | //\r | |
288 | UpdateDescription = TRUE;\r | |
289 | FreePool (OptionPtr);\r | |
290 | break;\r | |
291 | }\r | |
292 | }\r | |
293 | \r | |
294 | FreePool (OptionPtr);\r | |
295 | }\r | |
296 | \r | |
297 | OptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (String);\r | |
298 | OptionSize += GetDevicePathSize (DevicePath);\r | |
299 | OptionPtr = AllocateZeroPool (OptionSize);\r | |
300 | ASSERT (OptionPtr != NULL);\r | |
301 | \r | |
302 | TempPtr = OptionPtr;\r | |
303 | *(UINT32 *) TempPtr = LOAD_OPTION_ACTIVE;\r | |
304 | TempPtr += sizeof (UINT32);\r | |
305 | *(UINT16 *) TempPtr = (UINT16) GetDevicePathSize (DevicePath);\r | |
306 | TempPtr += sizeof (UINT16);\r | |
307 | CopyMem (TempPtr, String, StrSize (String));\r | |
308 | TempPtr += StrSize (String);\r | |
309 | CopyMem (TempPtr, DevicePath, GetDevicePathSize (DevicePath));\r | |
310 | \r | |
311 | if (UpdateDescription) {\r | |
312 | //\r | |
313 | // The number in option#### to be updated. \r | |
314 | // In this case, we must have non-NULL TempOptionPtr.\r | |
315 | //\r | |
316 | ASSERT (TempOptionPtr != NULL);\r | |
317 | RegisterOptionNumber = TempOptionPtr[Index];\r | |
318 | } else {\r | |
319 | //\r | |
320 | // The new option#### number\r | |
321 | //\r | |
322 | RegisterOptionNumber = BdsLibGetFreeOptionNumber(VariableName);\r | |
323 | }\r | |
324 | \r | |
325 | if (*VariableName == 'B') {\r | |
326 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", RegisterOptionNumber);\r | |
327 | } else {\r | |
328 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", RegisterOptionNumber);\r | |
329 | }\r | |
330 | \r | |
331 | Status = gRT->SetVariable (\r | |
332 | OptionName,\r | |
333 | &gEfiGlobalVariableGuid,\r | |
334 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
335 | OptionSize,\r | |
336 | OptionPtr\r | |
337 | );\r | |
338 | //\r | |
339 | // Return if only need to update a changed description or fail to set option.\r | |
340 | //\r | |
341 | if (EFI_ERROR (Status) || UpdateDescription) {\r | |
342 | FreePool (OptionPtr);\r | |
343 | if (TempOptionPtr != NULL) {\r | |
344 | FreePool (TempOptionPtr);\r | |
345 | }\r | |
346 | return Status;\r | |
347 | }\r | |
348 | \r | |
349 | FreePool (OptionPtr);\r | |
350 | \r | |
351 | //\r | |
352 | // Update the option order variable\r | |
353 | //\r | |
354 | \r | |
355 | //\r | |
356 | // If no option order\r | |
357 | //\r | |
358 | if (TempOptionSize == 0) {\r | |
359 | BootOrderEntry = 0;\r | |
360 | Status = gRT->SetVariable (\r | |
361 | VariableName,\r | |
362 | &gEfiGlobalVariableGuid,\r | |
363 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
364 | sizeof (UINT16),\r | |
365 | &BootOrderEntry\r | |
366 | );\r | |
367 | if (TempOptionPtr != NULL) {\r | |
368 | FreePool (TempOptionPtr);\r | |
369 | }\r | |
370 | return Status;\r | |
371 | }\r | |
372 | \r | |
373 | //\r | |
374 | // TempOptionPtr must not be NULL if TempOptionSize is not zero.\r | |
375 | //\r | |
376 | ASSERT (TempOptionPtr != NULL);\r | |
377 | //\r | |
378 | // Append the new option number to the original option order\r | |
379 | //\r | |
380 | OrderItemNum = (TempOptionSize / sizeof (UINT16)) + 1 ;\r | |
381 | OptionOrderPtr = AllocateZeroPool ( OrderItemNum * sizeof (UINT16));\r | |
382 | ASSERT (OptionOrderPtr!= NULL);\r | |
383 | CopyMem (OptionOrderPtr, TempOptionPtr, (OrderItemNum - 1) * sizeof (UINT16));\r | |
384 | \r | |
385 | OptionOrderPtr[Index] = RegisterOptionNumber;\r | |
386 | \r | |
387 | Status = gRT->SetVariable (\r | |
388 | VariableName,\r | |
389 | &gEfiGlobalVariableGuid,\r | |
390 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
391 | OrderItemNum * sizeof (UINT16),\r | |
392 | OptionOrderPtr\r | |
393 | );\r | |
394 | FreePool (TempOptionPtr);\r | |
395 | FreePool (OptionOrderPtr);\r | |
396 | \r | |
397 | return Status;\r | |
398 | }\r | |
399 | \r | |
400 | /**\r | |
401 | Returns the size of a device path in bytes.\r | |
402 | \r | |
403 | This function returns the size, in bytes, of the device path data structure \r | |
404 | specified by DevicePath including the end of device path node. If DevicePath \r | |
405 | is NULL, then 0 is returned. If the length of the device path is bigger than\r | |
406 | MaxSize, also return 0 to indicate this is an invalidate device path.\r | |
407 | \r | |
408 | @param DevicePath A pointer to a device path data structure.\r | |
409 | @param MaxSize Max valid device path size. If big than this size, \r | |
410 | return error.\r | |
411 | \r | |
412 | @retval 0 An invalid device path.\r | |
413 | @retval Others The size of a device path in bytes.\r | |
414 | \r | |
415 | **/\r | |
416 | UINTN\r | |
417 | GetDevicePathSizeEx (\r | |
418 | IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
419 | IN UINTN MaxSize\r | |
420 | )\r | |
421 | {\r | |
422 | UINTN Size;\r | |
423 | UINTN NodeSize;\r | |
424 | \r | |
425 | if (DevicePath == NULL) {\r | |
426 | return 0;\r | |
427 | }\r | |
428 | \r | |
429 | //\r | |
430 | // Search for the end of the device path structure\r | |
431 | //\r | |
432 | Size = 0;\r | |
433 | while (!IsDevicePathEnd (DevicePath)) {\r | |
434 | NodeSize = DevicePathNodeLength (DevicePath);\r | |
435 | if (NodeSize < END_DEVICE_PATH_LENGTH) {\r | |
436 | return 0;\r | |
437 | }\r | |
438 | Size += NodeSize;\r | |
439 | if (Size > MaxSize) {\r | |
440 | return 0;\r | |
441 | }\r | |
442 | DevicePath = NextDevicePathNode (DevicePath);\r | |
443 | }\r | |
444 | Size += DevicePathNodeLength (DevicePath);\r | |
445 | if (Size > MaxSize) {\r | |
446 | return 0;\r | |
447 | }\r | |
448 | \r | |
449 | return Size;\r | |
450 | }\r | |
451 | \r | |
452 | /**\r | |
453 | Returns the length of a Null-terminated Unicode string. If the length is \r | |
454 | bigger than MaxStringLen, return length 0 to indicate that this is an \r | |
455 | invalidate string.\r | |
456 | \r | |
457 | This function returns the byte length of Unicode characters in the Null-terminated\r | |
458 | Unicode string specified by String. \r | |
459 | \r | |
460 | If String is NULL, then ASSERT().\r | |
461 | If String is not aligned on a 16-bit boundary, then ASSERT().\r | |
462 | \r | |
463 | @param String A pointer to a Null-terminated Unicode string.\r | |
464 | @param MaxStringLen Max string len in this string.\r | |
465 | \r | |
466 | @retval 0 An invalid string.\r | |
467 | @retval Others The length of String.\r | |
468 | \r | |
469 | **/\r | |
470 | UINTN\r | |
471 | StrSizeEx (\r | |
472 | IN CONST CHAR16 *String,\r | |
473 | IN UINTN MaxStringLen\r | |
474 | )\r | |
475 | {\r | |
476 | UINTN Length;\r | |
477 | \r | |
478 | ASSERT (String != NULL && MaxStringLen != 0);\r | |
479 | ASSERT (((UINTN) String & BIT0) == 0);\r | |
480 | \r | |
481 | for (Length = 0; *String != L'\0' && MaxStringLen != Length; String++, Length+=2);\r | |
482 | \r | |
483 | if (*String != L'\0' && MaxStringLen == Length) {\r | |
484 | return 0;\r | |
485 | }\r | |
486 | \r | |
487 | return Length + 2;\r | |
488 | }\r | |
489 | \r | |
490 | /**\r | |
491 | Validate the EFI Boot#### variable (VendorGuid/Name)\r | |
492 | \r | |
493 | @param Variable Boot#### variable data.\r | |
494 | @param VariableSize Returns the size of the EFI variable that was read\r | |
495 | \r | |
496 | @retval TRUE The variable data is correct.\r | |
497 | @retval FALSE The variable data is corrupted.\r | |
498 | \r | |
499 | **/\r | |
500 | BOOLEAN \r | |
501 | ValidateOption (\r | |
502 | UINT8 *Variable,\r | |
503 | UINTN VariableSize\r | |
504 | )\r | |
505 | {\r | |
506 | UINT16 FilePathSize;\r | |
507 | UINT8 *TempPtr;\r | |
508 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
509 | UINTN TempSize;\r | |
510 | \r | |
511 | if (VariableSize <= sizeof (UINT16) + sizeof (UINT32)) {\r | |
512 | return FALSE;\r | |
513 | }\r | |
514 | \r | |
515 | //\r | |
516 | // Skip the option attribute\r | |
517 | //\r | |
518 | TempPtr = Variable;\r | |
519 | TempPtr += sizeof (UINT32);\r | |
520 | \r | |
521 | //\r | |
522 | // Get the option's device path size\r | |
523 | //\r | |
524 | FilePathSize = *(UINT16 *) TempPtr;\r | |
525 | TempPtr += sizeof (UINT16);\r | |
526 | \r | |
527 | //\r | |
528 | // Get the option's description string size\r | |
529 | //\r | |
530 | TempSize = StrSizeEx ((CHAR16 *) TempPtr, VariableSize - sizeof (UINT16) - sizeof (UINT32));\r | |
531 | TempPtr += TempSize;\r | |
532 | \r | |
533 | //\r | |
534 | // Get the option's device path\r | |
535 | //\r | |
536 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
537 | TempPtr += FilePathSize;\r | |
538 | \r | |
539 | //\r | |
540 | // Validation boot option variable.\r | |
541 | //\r | |
542 | if ((FilePathSize == 0) || (TempSize == 0)) {\r | |
543 | return FALSE;\r | |
544 | }\r | |
545 | \r | |
546 | if (TempSize + FilePathSize + sizeof (UINT16) + sizeof (UINT32) > VariableSize) {\r | |
547 | return FALSE;\r | |
548 | }\r | |
549 | \r | |
550 | return (BOOLEAN) (GetDevicePathSizeEx (DevicePath, FilePathSize) != 0);\r | |
551 | }\r | |
552 | \r | |
553 | /**\r | |
554 | Convert a single character to number.\r | |
555 | It assumes the input Char is in the scope of L'0' ~ L'9' and L'A' ~ L'F'\r | |
556 | \r | |
557 | @param Char The input char which need to change to a hex number.\r | |
558 | \r | |
559 | **/\r | |
560 | UINTN\r | |
561 | CharToUint (\r | |
562 | IN CHAR16 Char\r | |
563 | )\r | |
564 | {\r | |
565 | if ((Char >= L'0') && (Char <= L'9')) {\r | |
566 | return (UINTN) (Char - L'0');\r | |
567 | }\r | |
568 | \r | |
569 | if ((Char >= L'A') && (Char <= L'F')) {\r | |
570 | return (UINTN) (Char - L'A' + 0xA);\r | |
571 | }\r | |
572 | \r | |
573 | ASSERT (FALSE);\r | |
574 | return 0;\r | |
575 | }\r | |
576 | \r | |
577 | /**\r | |
578 | Build the boot#### or driver#### option from the VariableName, the\r | |
579 | build boot#### or driver#### will also be linked to BdsCommonOptionList.\r | |
580 | \r | |
581 | @param BdsCommonOptionList The header of the boot#### or driver#### option\r | |
582 | link list\r | |
583 | @param VariableName EFI Variable name indicate if it is boot#### or\r | |
584 | driver####\r | |
585 | \r | |
586 | @retval BDS_COMMON_OPTION Get the option just been created\r | |
587 | @retval NULL Failed to get the new option\r | |
588 | \r | |
589 | **/\r | |
590 | BDS_COMMON_OPTION *\r | |
591 | EFIAPI\r | |
592 | BdsLibVariableToOption (\r | |
593 | IN OUT LIST_ENTRY *BdsCommonOptionList,\r | |
594 | IN CHAR16 *VariableName\r | |
595 | )\r | |
596 | {\r | |
597 | UINT32 Attribute;\r | |
598 | UINT16 FilePathSize;\r | |
599 | UINT8 *Variable;\r | |
600 | UINT8 *TempPtr;\r | |
601 | UINTN VariableSize;\r | |
602 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
603 | BDS_COMMON_OPTION *Option;\r | |
604 | VOID *LoadOptions;\r | |
605 | UINT32 LoadOptionsSize;\r | |
606 | CHAR16 *Description;\r | |
607 | UINT8 NumOff;\r | |
608 | \r | |
609 | //\r | |
610 | // Read the variable. We will never free this data.\r | |
611 | //\r | |
612 | Variable = BdsLibGetVariableAndSize (\r | |
613 | VariableName,\r | |
614 | &gEfiGlobalVariableGuid,\r | |
615 | &VariableSize\r | |
616 | );\r | |
617 | if (Variable == NULL) {\r | |
618 | return NULL;\r | |
619 | }\r | |
620 | \r | |
621 | //\r | |
622 | // Validate Boot#### variable data.\r | |
623 | //\r | |
624 | if (!ValidateOption(Variable, VariableSize)) {\r | |
217abb46 | 625 | FreePool (Variable);\r |
3cbfba02 DW |
626 | return NULL;\r |
627 | }\r | |
628 | \r | |
629 | //\r | |
630 | // Notes: careful defined the variable of Boot#### or\r | |
631 | // Driver####, consider use some macro to abstract the code\r | |
632 | //\r | |
633 | //\r | |
634 | // Get the option attribute\r | |
635 | //\r | |
636 | TempPtr = Variable;\r | |
637 | Attribute = *(UINT32 *) Variable;\r | |
638 | TempPtr += sizeof (UINT32);\r | |
639 | \r | |
640 | //\r | |
641 | // Get the option's device path size\r | |
642 | //\r | |
643 | FilePathSize = *(UINT16 *) TempPtr;\r | |
644 | TempPtr += sizeof (UINT16);\r | |
645 | \r | |
646 | //\r | |
647 | // Get the option's description string\r | |
648 | //\r | |
649 | Description = (CHAR16 *) TempPtr;\r | |
650 | \r | |
651 | //\r | |
652 | // Get the option's description string size\r | |
653 | //\r | |
654 | TempPtr += StrSize((CHAR16 *) TempPtr);\r | |
655 | \r | |
656 | //\r | |
657 | // Get the option's device path\r | |
658 | //\r | |
659 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
660 | TempPtr += FilePathSize;\r | |
661 | \r | |
662 | //\r | |
663 | // Get load opion data.\r | |
664 | //\r | |
665 | LoadOptions = TempPtr;\r | |
666 | LoadOptionsSize = (UINT32) (VariableSize - (UINTN) (TempPtr - Variable));\r | |
667 | \r | |
668 | //\r | |
669 | // The Console variables may have multiple device paths, so make\r | |
670 | // an Entry for each one.\r | |
671 | //\r | |
672 | Option = AllocateZeroPool (sizeof (BDS_COMMON_OPTION));\r | |
673 | if (Option == NULL) {\r | |
217abb46 | 674 | FreePool (Variable);\r |
3cbfba02 DW |
675 | return NULL;\r |
676 | }\r | |
677 | \r | |
678 | Option->Signature = BDS_LOAD_OPTION_SIGNATURE;\r | |
679 | Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));\r | |
680 | ASSERT(Option->DevicePath != NULL);\r | |
681 | CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));\r | |
682 | \r | |
683 | Option->Attribute = Attribute;\r | |
684 | Option->Description = AllocateZeroPool (StrSize (Description));\r | |
685 | ASSERT(Option->Description != NULL);\r | |
686 | CopyMem (Option->Description, Description, StrSize (Description));\r | |
687 | \r | |
688 | Option->LoadOptions = AllocateZeroPool (LoadOptionsSize);\r | |
689 | ASSERT(Option->LoadOptions != NULL);\r | |
690 | CopyMem (Option->LoadOptions, LoadOptions, LoadOptionsSize);\r | |
691 | Option->LoadOptionsSize = LoadOptionsSize;\r | |
692 | \r | |
693 | //\r | |
694 | // Get the value from VariableName Unicode string\r | |
695 | // since the ISO standard assumes ASCII equivalent abbreviations, we can be safe in converting this\r | |
696 | // Unicode stream to ASCII without any loss in meaning.\r | |
697 | //\r | |
698 | if (*VariableName == 'B') {\r | |
699 | NumOff = (UINT8) (sizeof (L"Boot") / sizeof (CHAR16) - 1);\r | |
700 | Option->BootCurrent = (UINT16) (CharToUint (VariableName[NumOff+0]) * 0x1000) \r | |
701 | + (UINT16) (CharToUint (VariableName[NumOff+1]) * 0x100)\r | |
702 | + (UINT16) (CharToUint (VariableName[NumOff+2]) * 0x10)\r | |
703 | + (UINT16) (CharToUint (VariableName[NumOff+3]) * 0x1);\r | |
704 | }\r | |
705 | InsertTailList (BdsCommonOptionList, &Option->Link);\r | |
706 | FreePool (Variable);\r | |
707 | return Option;\r | |
708 | }\r | |
709 | \r | |
710 | /**\r | |
711 | Process BootOrder, or DriverOrder variables, by calling\r | |
712 | BdsLibVariableToOption () for each UINT16 in the variables.\r | |
713 | \r | |
714 | @param BdsCommonOptionList The header of the option list base on variable\r | |
715 | VariableName\r | |
716 | @param VariableName EFI Variable name indicate the BootOrder or\r | |
717 | DriverOrder\r | |
718 | \r | |
719 | @retval EFI_SUCCESS Success create the boot option or driver option\r | |
720 | list\r | |
721 | @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list\r | |
722 | \r | |
723 | **/\r | |
724 | EFI_STATUS\r | |
725 | EFIAPI\r | |
726 | BdsLibBuildOptionFromVar (\r | |
727 | IN LIST_ENTRY *BdsCommonOptionList,\r | |
728 | IN CHAR16 *VariableName\r | |
729 | )\r | |
730 | {\r | |
731 | UINT16 *OptionOrder;\r | |
732 | UINTN OptionOrderSize;\r | |
733 | UINTN Index;\r | |
734 | BDS_COMMON_OPTION *Option;\r | |
735 | CHAR16 OptionName[20];\r | |
736 | \r | |
737 | //\r | |
738 | // Zero Buffer in order to get all BOOT#### variables\r | |
739 | //\r | |
740 | ZeroMem (OptionName, sizeof (OptionName));\r | |
741 | \r | |
742 | //\r | |
743 | // Read the BootOrder, or DriverOrder variable.\r | |
744 | //\r | |
745 | OptionOrder = BdsLibGetVariableAndSize (\r | |
746 | VariableName,\r | |
747 | &gEfiGlobalVariableGuid,\r | |
748 | &OptionOrderSize\r | |
749 | );\r | |
750 | if (OptionOrder == NULL) {\r | |
751 | return EFI_OUT_OF_RESOURCES;\r | |
752 | }\r | |
753 | \r | |
754 | for (Index = 0; Index < OptionOrderSize / sizeof (UINT16); Index++) {\r | |
755 | if (*VariableName == 'B') {\r | |
756 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionOrder[Index]);\r | |
757 | } else {\r | |
758 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", OptionOrder[Index]);\r | |
759 | }\r | |
760 | \r | |
761 | Option = BdsLibVariableToOption (BdsCommonOptionList, OptionName);\r | |
762 | if (Option != NULL) {\r | |
763 | Option->BootCurrent = OptionOrder[Index];\r | |
764 | }\r | |
765 | }\r | |
766 | \r | |
767 | FreePool (OptionOrder);\r | |
768 | \r | |
769 | return EFI_SUCCESS;\r | |
770 | }\r | |
771 | \r | |
772 | /**\r | |
773 | Get boot mode by looking up configuration table and parsing HOB list\r | |
774 | \r | |
775 | @param BootMode Boot mode from PEI handoff HOB.\r | |
776 | \r | |
777 | @retval EFI_SUCCESS Successfully get boot mode\r | |
778 | \r | |
779 | **/\r | |
780 | EFI_STATUS\r | |
781 | EFIAPI\r | |
782 | BdsLibGetBootMode (\r | |
783 | OUT EFI_BOOT_MODE *BootMode\r | |
784 | )\r | |
785 | {\r | |
786 | *BootMode = GetBootModeHob ();\r | |
787 | \r | |
788 | return EFI_SUCCESS;\r | |
789 | }\r | |
790 | \r | |
791 | /**\r | |
792 | Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r | |
793 | buffer, and the size of the buffer. If failure return NULL.\r | |
794 | \r | |
795 | @param Name String part of EFI variable name\r | |
796 | @param VendorGuid GUID part of EFI variable name\r | |
797 | @param VariableSize Returns the size of the EFI variable that was read\r | |
798 | \r | |
799 | @return Dynamically allocated memory that contains a copy of the EFI variable\r | |
800 | Caller is responsible freeing the buffer.\r | |
801 | @retval NULL Variable was not read\r | |
802 | \r | |
803 | **/\r | |
804 | VOID *\r | |
805 | EFIAPI\r | |
806 | BdsLibGetVariableAndSize (\r | |
807 | IN CHAR16 *Name,\r | |
808 | IN EFI_GUID *VendorGuid,\r | |
809 | OUT UINTN *VariableSize\r | |
810 | )\r | |
811 | {\r | |
812 | EFI_STATUS Status;\r | |
813 | UINTN BufferSize;\r | |
814 | VOID *Buffer;\r | |
815 | \r | |
816 | Buffer = NULL;\r | |
817 | \r | |
818 | //\r | |
819 | // Pass in a zero size buffer to find the required buffer size.\r | |
820 | //\r | |
821 | BufferSize = 0;\r | |
822 | Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);\r | |
823 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
824 | //\r | |
825 | // Allocate the buffer to return\r | |
826 | //\r | |
827 | Buffer = AllocateZeroPool (BufferSize);\r | |
828 | if (Buffer == NULL) {\r | |
829 | *VariableSize = 0;\r | |
830 | return NULL;\r | |
831 | }\r | |
832 | //\r | |
833 | // Read variable into the allocated buffer.\r | |
834 | //\r | |
835 | Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);\r | |
836 | if (EFI_ERROR (Status)) {\r | |
837 | FreePool (Buffer);\r | |
838 | BufferSize = 0;\r | |
839 | Buffer = NULL;\r | |
840 | }\r | |
841 | }\r | |
842 | \r | |
843 | ASSERT (((Buffer == NULL) && (BufferSize == 0)) ||\r | |
844 | ((Buffer != NULL) && (BufferSize != 0))\r | |
845 | );\r | |
846 | *VariableSize = BufferSize;\r | |
847 | return Buffer;\r | |
848 | }\r | |
849 | \r | |
850 | /**\r | |
851 | Delete the instance in Multi which matches partly with Single instance\r | |
852 | \r | |
853 | @param Multi A pointer to a multi-instance device path data\r | |
854 | structure.\r | |
855 | @param Single A pointer to a single-instance device path data\r | |
856 | structure.\r | |
857 | \r | |
858 | @return This function will remove the device path instances in Multi which partly\r | |
859 | match with the Single, and return the result device path. If there is no\r | |
860 | remaining device path as a result, this function will return NULL.\r | |
861 | \r | |
862 | **/\r | |
863 | EFI_DEVICE_PATH_PROTOCOL *\r | |
864 | EFIAPI\r | |
865 | BdsLibDelPartMatchInstance (\r | |
866 | IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r | |
867 | IN EFI_DEVICE_PATH_PROTOCOL *Single\r | |
868 | )\r | |
869 | {\r | |
870 | EFI_DEVICE_PATH_PROTOCOL *Instance;\r | |
871 | EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;\r | |
872 | EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;\r | |
873 | UINTN InstanceSize;\r | |
874 | UINTN SingleDpSize;\r | |
875 | UINTN Size;\r | |
876 | \r | |
877 | NewDevicePath = NULL;\r | |
878 | TempNewDevicePath = NULL;\r | |
879 | \r | |
880 | if (Multi == NULL || Single == NULL) {\r | |
881 | return Multi;\r | |
882 | }\r | |
883 | \r | |
884 | Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);\r | |
885 | SingleDpSize = GetDevicePathSize (Single) - END_DEVICE_PATH_LENGTH;\r | |
886 | InstanceSize -= END_DEVICE_PATH_LENGTH;\r | |
887 | \r | |
888 | while (Instance != NULL) {\r | |
889 | \r | |
890 | Size = (SingleDpSize < InstanceSize) ? SingleDpSize : InstanceSize;\r | |
891 | \r | |
892 | if ((CompareMem (Instance, Single, Size) != 0)) {\r | |
893 | //\r | |
894 | // Append the device path instance which does not match with Single\r | |
895 | //\r | |
896 | TempNewDevicePath = NewDevicePath;\r | |
897 | NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance);\r | |
898 | if (TempNewDevicePath != NULL) {\r | |
899 | FreePool(TempNewDevicePath);\r | |
900 | }\r | |
901 | }\r | |
902 | FreePool(Instance);\r | |
903 | Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);\r | |
904 | InstanceSize -= END_DEVICE_PATH_LENGTH;\r | |
905 | }\r | |
906 | \r | |
907 | return NewDevicePath;\r | |
908 | }\r | |
909 | \r | |
910 | /**\r | |
911 | Function compares a device path data structure to that of all the nodes of a\r | |
912 | second device path instance.\r | |
913 | \r | |
914 | @param Multi A pointer to a multi-instance device path data\r | |
915 | structure.\r | |
916 | @param Single A pointer to a single-instance device path data\r | |
917 | structure.\r | |
918 | \r | |
919 | @retval TRUE If the Single device path is contained within Multi device path.\r | |
920 | @retval FALSE The Single device path is not match within Multi device path.\r | |
921 | \r | |
922 | **/\r | |
923 | BOOLEAN\r | |
924 | EFIAPI\r | |
925 | BdsLibMatchDevicePaths (\r | |
926 | IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r | |
927 | IN EFI_DEVICE_PATH_PROTOCOL *Single\r | |
928 | )\r | |
929 | {\r | |
930 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
931 | EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;\r | |
932 | UINTN Size;\r | |
933 | \r | |
934 | if (Multi == NULL || Single == NULL) {\r | |
935 | return FALSE;\r | |
936 | }\r | |
937 | \r | |
938 | DevicePath = Multi;\r | |
939 | DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);\r | |
940 | \r | |
941 | //\r | |
942 | // Search for the match of 'Single' in 'Multi'\r | |
943 | //\r | |
944 | while (DevicePathInst != NULL) {\r | |
945 | //\r | |
946 | // If the single device path is found in multiple device paths,\r | |
947 | // return success\r | |
948 | //\r | |
949 | if (CompareMem (Single, DevicePathInst, Size) == 0) {\r | |
950 | FreePool (DevicePathInst);\r | |
951 | return TRUE;\r | |
952 | }\r | |
953 | \r | |
954 | FreePool (DevicePathInst);\r | |
955 | DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);\r | |
956 | }\r | |
957 | \r | |
958 | return FALSE;\r | |
959 | }\r | |
960 | \r | |
961 | /**\r | |
962 | This function prints a series of strings.\r | |
963 | \r | |
964 | @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL\r | |
965 | @param ... A variable argument list containing series of\r | |
966 | strings, the last string must be NULL.\r | |
967 | \r | |
968 | @retval EFI_SUCCESS Success print out the string using ConOut.\r | |
969 | @retval EFI_STATUS Return the status of the ConOut->OutputString ().\r | |
970 | \r | |
971 | **/\r | |
972 | EFI_STATUS\r | |
973 | EFIAPI\r | |
974 | BdsLibOutputStrings (\r | |
975 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,\r | |
976 | ...\r | |
977 | )\r | |
978 | {\r | |
979 | VA_LIST Args;\r | |
980 | EFI_STATUS Status;\r | |
981 | CHAR16 *String;\r | |
982 | \r | |
983 | Status = EFI_SUCCESS;\r | |
984 | VA_START (Args, ConOut);\r | |
985 | \r | |
986 | while (!EFI_ERROR (Status)) {\r | |
987 | //\r | |
988 | // If String is NULL, then it's the end of the list\r | |
989 | //\r | |
990 | String = VA_ARG (Args, CHAR16 *);\r | |
991 | if (String == NULL) {\r | |
992 | break;\r | |
993 | }\r | |
994 | \r | |
995 | Status = ConOut->OutputString (ConOut, String);\r | |
996 | \r | |
997 | if (EFI_ERROR (Status)) {\r | |
998 | break;\r | |
999 | }\r | |
1000 | }\r | |
1001 | \r | |
1002 | VA_END(Args);\r | |
1003 | return Status;\r | |
1004 | }\r | |
1005 | \r | |
1006 | //\r | |
1007 | // Following are BDS Lib functions which contain all the code about setup browser reset reminder feature.\r | |
1008 | // Setup Browser reset reminder feature is that an reset reminder will be given before user leaves the setup browser if\r | |
1009 | // user change any option setting which needs a reset to be effective, and the reset will be applied according to the user selection.\r | |
1010 | //\r | |
1011 | \r | |
1012 | \r | |
1013 | /**\r | |
1014 | Enable the setup browser reset reminder feature.\r | |
1015 | This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.\r | |
1016 | \r | |
1017 | **/\r | |
1018 | VOID\r | |
1019 | EFIAPI\r | |
1020 | EnableResetReminderFeature (\r | |
1021 | VOID\r | |
1022 | )\r | |
1023 | {\r | |
1024 | mFeaturerSwitch = TRUE;\r | |
1025 | }\r | |
1026 | \r | |
1027 | \r | |
1028 | /**\r | |
1029 | Disable the setup browser reset reminder feature.\r | |
1030 | This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.\r | |
1031 | \r | |
1032 | **/\r | |
1033 | VOID\r | |
1034 | EFIAPI\r | |
1035 | DisableResetReminderFeature (\r | |
1036 | VOID\r | |
1037 | )\r | |
1038 | {\r | |
1039 | mFeaturerSwitch = FALSE;\r | |
1040 | }\r | |
1041 | \r | |
1042 | \r | |
1043 | /**\r | |
1044 | Record the info that a reset is required.\r | |
1045 | A module boolean variable is used to record whether a reset is required.\r | |
1046 | \r | |
1047 | **/\r | |
1048 | VOID\r | |
1049 | EFIAPI\r | |
1050 | EnableResetRequired (\r | |
1051 | VOID\r | |
1052 | )\r | |
1053 | {\r | |
1054 | mResetRequired = TRUE;\r | |
1055 | }\r | |
1056 | \r | |
1057 | \r | |
1058 | /**\r | |
1059 | Record the info that no reset is required.\r | |
1060 | A module boolean variable is used to record whether a reset is required.\r | |
1061 | \r | |
1062 | **/\r | |
1063 | VOID\r | |
1064 | EFIAPI\r | |
1065 | DisableResetRequired (\r | |
1066 | VOID\r | |
1067 | )\r | |
1068 | {\r | |
1069 | mResetRequired = FALSE;\r | |
1070 | }\r | |
1071 | \r | |
1072 | \r | |
1073 | /**\r | |
1074 | Check whether platform policy enable the reset reminder feature. The default is enabled.\r | |
1075 | \r | |
1076 | **/\r | |
1077 | BOOLEAN\r | |
1078 | EFIAPI\r | |
1079 | IsResetReminderFeatureEnable (\r | |
1080 | VOID\r | |
1081 | )\r | |
1082 | {\r | |
1083 | return mFeaturerSwitch;\r | |
1084 | }\r | |
1085 | \r | |
1086 | \r | |
1087 | /**\r | |
1088 | Check if user changed any option setting which needs a system reset to be effective.\r | |
1089 | \r | |
1090 | **/\r | |
1091 | BOOLEAN\r | |
1092 | EFIAPI\r | |
1093 | IsResetRequired (\r | |
1094 | VOID\r | |
1095 | )\r | |
1096 | {\r | |
1097 | return mResetRequired;\r | |
1098 | }\r | |
1099 | \r | |
1100 | \r | |
1101 | /**\r | |
1102 | Check whether a reset is needed, and finish the reset reminder feature.\r | |
1103 | If a reset is needed, Popup a menu to notice user, and finish the feature\r | |
1104 | according to the user selection.\r | |
1105 | \r | |
1106 | **/\r | |
1107 | VOID\r | |
1108 | EFIAPI\r | |
1109 | SetupResetReminder (\r | |
1110 | VOID\r | |
1111 | )\r | |
1112 | {\r | |
1113 | EFI_INPUT_KEY Key;\r | |
1114 | CHAR16 *StringBuffer1;\r | |
1115 | CHAR16 *StringBuffer2;\r | |
1116 | \r | |
1117 | \r | |
1118 | //\r | |
1119 | //check any reset required change is applied? if yes, reset system\r | |
1120 | //\r | |
1121 | if (IsResetReminderFeatureEnable ()) {\r | |
1122 | if (IsResetRequired ()) {\r | |
1123 | \r | |
1124 | StringBuffer1 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));\r | |
1125 | ASSERT (StringBuffer1 != NULL);\r | |
1126 | StringBuffer2 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));\r | |
1127 | ASSERT (StringBuffer2 != NULL);\r | |
1128 | StrCpy (StringBuffer1, L"Configuration changed. Reset to apply it Now.");\r | |
1129 | StrCpy (StringBuffer2, L"Press ENTER to reset");\r | |
1130 | //\r | |
1131 | // Popup a menu to notice user\r | |
1132 | //\r | |
1133 | do {\r | |
1134 | CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, StringBuffer1, StringBuffer2, NULL);\r | |
1135 | } while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);\r | |
1136 | \r | |
1137 | FreePool (StringBuffer1);\r | |
1138 | FreePool (StringBuffer2);\r | |
1139 | \r | |
1140 | gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r | |
1141 | }\r | |
1142 | }\r | |
1143 | }\r | |
1144 | \r | |
1145 | /**\r | |
1146 | Get the headers (dos, image, optional header) from an image\r | |
1147 | \r | |
1148 | @param Device SimpleFileSystem device handle\r | |
1149 | @param FileName File name for the image\r | |
1150 | @param DosHeader Pointer to dos header\r | |
1151 | @param Hdr The buffer in which to return the PE32, PE32+, or TE header.\r | |
1152 | \r | |
1153 | @retval EFI_SUCCESS Successfully get the machine type.\r | |
1154 | @retval EFI_NOT_FOUND The file is not found.\r | |
1155 | @retval EFI_LOAD_ERROR File is not a valid image file.\r | |
1156 | \r | |
1157 | **/\r | |
1158 | EFI_STATUS\r | |
1159 | EFIAPI\r | |
1160 | BdsLibGetImageHeader (\r | |
1161 | IN EFI_HANDLE Device,\r | |
1162 | IN CHAR16 *FileName,\r | |
1163 | OUT EFI_IMAGE_DOS_HEADER *DosHeader,\r | |
1164 | OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr\r | |
1165 | )\r | |
1166 | {\r | |
1167 | EFI_STATUS Status;\r | |
1168 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;\r | |
1169 | EFI_FILE_HANDLE Root;\r | |
1170 | EFI_FILE_HANDLE ThisFile;\r | |
1171 | UINTN BufferSize;\r | |
1172 | UINT64 FileSize;\r | |
1173 | EFI_FILE_INFO *Info;\r | |
1174 | \r | |
1175 | Root = NULL;\r | |
1176 | ThisFile = NULL;\r | |
1177 | //\r | |
1178 | // Handle the file system interface to the device\r | |
1179 | //\r | |
1180 | Status = gBS->HandleProtocol (\r | |
1181 | Device,\r | |
1182 | &gEfiSimpleFileSystemProtocolGuid,\r | |
1183 | (VOID *) &Volume\r | |
1184 | );\r | |
1185 | if (EFI_ERROR (Status)) {\r | |
1186 | goto Done;\r | |
1187 | }\r | |
1188 | \r | |
1189 | Status = Volume->OpenVolume (\r | |
1190 | Volume,\r | |
1191 | &Root\r | |
1192 | );\r | |
1193 | if (EFI_ERROR (Status)) {\r | |
1194 | Root = NULL;\r | |
1195 | goto Done;\r | |
1196 | }\r | |
1197 | ASSERT (Root != NULL);\r | |
1198 | Status = Root->Open (Root, &ThisFile, FileName, EFI_FILE_MODE_READ, 0);\r | |
1199 | if (EFI_ERROR (Status)) {\r | |
1200 | goto Done;\r | |
1201 | }\r | |
1202 | ASSERT (ThisFile != NULL);\r | |
1203 | \r | |
1204 | //\r | |
1205 | // Get file size\r | |
1206 | //\r | |
1207 | BufferSize = SIZE_OF_EFI_FILE_INFO + 200;\r | |
1208 | do {\r | |
1209 | Info = NULL;\r | |
1210 | Status = gBS->AllocatePool (EfiBootServicesData, BufferSize, (VOID **) &Info);\r | |
1211 | if (EFI_ERROR (Status)) {\r | |
1212 | goto Done;\r | |
1213 | }\r | |
1214 | Status = ThisFile->GetInfo (\r | |
1215 | ThisFile,\r | |
1216 | &gEfiFileInfoGuid,\r | |
1217 | &BufferSize,\r | |
1218 | Info\r | |
1219 | );\r | |
1220 | if (!EFI_ERROR (Status)) {\r | |
1221 | break;\r | |
1222 | }\r | |
1223 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1224 | FreePool (Info);\r | |
1225 | goto Done;\r | |
1226 | }\r | |
1227 | FreePool (Info);\r | |
1228 | } while (TRUE);\r | |
1229 | \r | |
1230 | FileSize = Info->FileSize;\r | |
1231 | FreePool (Info);\r | |
1232 | \r | |
1233 | //\r | |
1234 | // Read dos header\r | |
1235 | //\r | |
1236 | BufferSize = sizeof (EFI_IMAGE_DOS_HEADER);\r | |
1237 | Status = ThisFile->Read (ThisFile, &BufferSize, DosHeader);\r | |
1238 | if (EFI_ERROR (Status) ||\r | |
1239 | BufferSize < sizeof (EFI_IMAGE_DOS_HEADER) ||\r | |
1240 | FileSize <= DosHeader->e_lfanew ||\r | |
1241 | DosHeader->e_magic != EFI_IMAGE_DOS_SIGNATURE) {\r | |
1242 | Status = EFI_LOAD_ERROR;\r | |
1243 | goto Done;\r | |
1244 | }\r | |
1245 | \r | |
1246 | //\r | |
1247 | // Move to PE signature\r | |
1248 | //\r | |
1249 | Status = ThisFile->SetPosition (ThisFile, DosHeader->e_lfanew);\r | |
1250 | if (EFI_ERROR (Status)) {\r | |
1251 | Status = EFI_LOAD_ERROR;\r | |
1252 | goto Done;\r | |
1253 | }\r | |
1254 | \r | |
1255 | //\r | |
1256 | // Read and check PE signature\r | |
1257 | //\r | |
1258 | BufferSize = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION);\r | |
1259 | Status = ThisFile->Read (ThisFile, &BufferSize, Hdr.Pe32);\r | |
1260 | if (EFI_ERROR (Status) ||\r | |
1261 | BufferSize < sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION) ||\r | |
1262 | Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
1263 | Status = EFI_LOAD_ERROR;\r | |
1264 | goto Done;\r | |
1265 | }\r | |
1266 | \r | |
1267 | //\r | |
1268 | // Check PE32 or PE32+ magic\r | |
1269 | //\r | |
1270 | if (Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC &&\r | |
1271 | Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r | |
1272 | Status = EFI_LOAD_ERROR;\r | |
1273 | goto Done;\r | |
1274 | }\r | |
1275 | \r | |
1276 | Done:\r | |
1277 | if (ThisFile != NULL) {\r | |
1278 | ThisFile->Close (ThisFile);\r | |
1279 | }\r | |
1280 | if (Root != NULL) {\r | |
1281 | Root->Close (Root);\r | |
1282 | }\r | |
1283 | return Status;\r | |
1284 | }\r | |
1285 | \r | |
1286 | /**\r | |
1287 | This routine adjust the memory information for different memory type and \r | |
1288 | save them into the variables for next boot.\r | |
1289 | **/\r | |
1290 | VOID\r | |
1291 | BdsSetMemoryTypeInformationVariable (\r | |
1292 | VOID\r | |
1293 | )\r | |
1294 | {\r | |
1295 | EFI_STATUS Status;\r | |
1296 | EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation;\r | |
1297 | EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation;\r | |
1298 | UINTN VariableSize;\r | |
1299 | UINTN Index;\r | |
1300 | UINTN Index1;\r | |
1301 | UINT32 Previous;\r | |
1302 | UINT32 Current;\r | |
1303 | UINT32 Next;\r | |
1304 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
1305 | BOOLEAN MemoryTypeInformationModified;\r | |
1306 | BOOLEAN MemoryTypeInformationVariableExists;\r | |
1307 | EFI_BOOT_MODE BootMode;\r | |
1308 | \r | |
1309 | MemoryTypeInformationModified = FALSE;\r | |
1310 | MemoryTypeInformationVariableExists = FALSE;\r | |
1311 | \r | |
1312 | \r | |
1313 | BootMode = GetBootModeHob ();\r | |
1314 | //\r | |
1315 | // In BOOT_IN_RECOVERY_MODE, Variable region is not reliable.\r | |
1316 | //\r | |
1317 | if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
1318 | return;\r | |
1319 | }\r | |
1320 | \r | |
1321 | //\r | |
1322 | // Only check the the Memory Type Information variable in the boot mode \r | |
1323 | // other than BOOT_WITH_DEFAULT_SETTINGS because the Memory Type\r | |
1324 | // Information is not valid in this boot mode.\r | |
1325 | //\r | |
1326 | if (BootMode != BOOT_WITH_DEFAULT_SETTINGS) {\r | |
1327 | VariableSize = 0;\r | |
1328 | Status = gRT->GetVariable (\r | |
1329 | EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r | |
1330 | &gEfiMemoryTypeInformationGuid,\r | |
1331 | NULL, \r | |
1332 | &VariableSize, \r | |
1333 | NULL\r | |
1334 | );\r | |
1335 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1336 | MemoryTypeInformationVariableExists = TRUE;\r | |
1337 | }\r | |
1338 | }\r | |
1339 | \r | |
1340 | //\r | |
1341 | // Retrieve the current memory usage statistics. If they are not found, then\r | |
1342 | // no adjustments can be made to the Memory Type Information variable.\r | |
1343 | //\r | |
1344 | Status = EfiGetSystemConfigurationTable (\r | |
1345 | &gEfiMemoryTypeInformationGuid,\r | |
1346 | (VOID **) &CurrentMemoryTypeInformation\r | |
1347 | );\r | |
1348 | if (EFI_ERROR (Status) || CurrentMemoryTypeInformation == NULL) {\r | |
1349 | return;\r | |
1350 | }\r | |
1351 | \r | |
1352 | //\r | |
1353 | // Get the Memory Type Information settings from Hob if they exist,\r | |
1354 | // PEI is responsible for getting them from variable and build a Hob to save them.\r | |
1355 | // If the previous Memory Type Information is not available, then set defaults\r | |
1356 | //\r | |
1357 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
1358 | if (GuidHob == NULL) {\r | |
1359 | //\r | |
1360 | // If Platform has not built Memory Type Info into the Hob, just return.\r | |
1361 | //\r | |
1362 | return;\r | |
1363 | }\r | |
1364 | PreviousMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
1365 | VariableSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
1366 | \r | |
1367 | //\r | |
1368 | // Use a heuristic to adjust the Memory Type Information for the next boot\r | |
1369 | //\r | |
1370 | DEBUG ((EFI_D_INFO, "Memory Previous Current Next \n"));\r | |
1371 | DEBUG ((EFI_D_INFO, " Type Pages Pages Pages \n"));\r | |
1372 | DEBUG ((EFI_D_INFO, "====== ======== ======== ========\n"));\r | |
1373 | \r | |
1374 | for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r | |
1375 | \r | |
1376 | for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) {\r | |
1377 | if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) {\r | |
1378 | break;\r | |
1379 | }\r | |
1380 | }\r | |
1381 | if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) {\r | |
1382 | continue;\r | |
1383 | }\r | |
1384 | \r | |
1385 | //\r | |
1386 | // Previous is the number of pages pre-allocated\r | |
1387 | // Current is the number of pages actually needed\r | |
1388 | //\r | |
1389 | Previous = PreviousMemoryTypeInformation[Index].NumberOfPages;\r | |
1390 | Current = CurrentMemoryTypeInformation[Index1].NumberOfPages;\r | |
1391 | Next = Previous;\r | |
1392 | \r | |
1393 | //\r | |
1394 | // Inconsistent Memory Reserved across bootings may lead to S4 fail\r | |
1395 | // Write next varible to 125% * current when the pre-allocated memory is:\r | |
1396 | // 1. More than 150% of needed memory and boot mode is BOOT_WITH_DEFAULT_SETTING\r | |
1397 | // 2. Less than the needed memory\r | |
1398 | //\r | |
1399 | if ((Current + (Current >> 1)) < Previous) {\r | |
1400 | if (BootMode == BOOT_WITH_DEFAULT_SETTINGS) {\r | |
1401 | Next = Current + (Current >> 2);\r | |
1402 | }\r | |
1403 | } else if (Current > Previous) {\r | |
1404 | Next = Current + (Current >> 2);\r | |
1405 | }\r | |
1406 | if (Next > 0 && Next < 4) {\r | |
1407 | Next = 4;\r | |
1408 | }\r | |
1409 | \r | |
1410 | if (Next != Previous) {\r | |
1411 | PreviousMemoryTypeInformation[Index].NumberOfPages = Next;\r | |
1412 | MemoryTypeInformationModified = TRUE;\r | |
1413 | }\r | |
1414 | \r | |
1415 | DEBUG ((EFI_D_INFO, " %02x %08x %08x %08x\n", PreviousMemoryTypeInformation[Index].Type, Previous, Current, Next));\r | |
1416 | }\r | |
1417 | \r | |
1418 | //\r | |
1419 | // If any changes were made to the Memory Type Information settings, then set the new variable value;\r | |
1420 | // Or create the variable in first boot.\r | |
1421 | //\r | |
1422 | if (MemoryTypeInformationModified || !MemoryTypeInformationVariableExists) {\r | |
217abb46 SL |
1423 | Status = SetVariableAndReportStatusCodeOnError (\r |
1424 | EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r | |
1425 | &gEfiMemoryTypeInformationGuid,\r | |
1426 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
1427 | VariableSize,\r | |
1428 | PreviousMemoryTypeInformation\r | |
1429 | );\r | |
3cbfba02 | 1430 | \r |
217abb46 SL |
1431 | if (!EFI_ERROR (Status)) {\r |
1432 | //\r | |
1433 | // If the Memory Type Information settings have been modified, then reset the platform\r | |
1434 | // so the new Memory Type Information setting will be used to guarantee that an S4\r | |
1435 | // entry/resume cycle will not fail.\r | |
1436 | //\r | |
1437 | if (MemoryTypeInformationModified && PcdGetBool (PcdResetOnMemoryTypeInformationChange)) {\r | |
1438 | DEBUG ((EFI_D_INFO, "Memory Type Information settings change. Warm Reset!!!\n"));\r | |
1439 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1440 | }\r | |
1441 | } else {\r | |
1442 | DEBUG ((EFI_D_ERROR, "Memory Type Information settings cannot be saved. OS S4 may fail!\n"));\r | |
3cbfba02 DW |
1443 | }\r |
1444 | }\r | |
1445 | }\r | |
1446 | \r | |
1447 | /**\r | |
1448 | This routine is kept for backward compatibility.\r | |
1449 | **/\r | |
1450 | VOID\r | |
1451 | EFIAPI\r | |
1452 | BdsLibSaveMemoryTypeInformation (\r | |
1453 | VOID\r | |
1454 | )\r | |
1455 | {\r | |
1456 | }\r | |
1457 | \r | |
1458 | \r | |
1459 | /**\r | |
1460 | Identify a user and, if authenticated, returns the current user profile handle.\r | |
1461 | \r | |
1462 | @param[out] User Point to user profile handle.\r | |
1463 | \r | |
1464 | @retval EFI_SUCCESS User is successfully identified, or user identification\r | |
1465 | is not supported.\r | |
1466 | @retval EFI_ACCESS_DENIED User is not successfully identified\r | |
1467 | \r | |
1468 | **/\r | |
1469 | EFI_STATUS\r | |
1470 | EFIAPI\r | |
1471 | BdsLibUserIdentify (\r | |
1472 | OUT EFI_USER_PROFILE_HANDLE *User\r | |
1473 | )\r | |
1474 | {\r | |
1475 | EFI_STATUS Status;\r | |
1476 | EFI_USER_MANAGER_PROTOCOL *Manager;\r | |
1477 | \r | |
1478 | Status = gBS->LocateProtocol (\r | |
1479 | &gEfiUserManagerProtocolGuid,\r | |
1480 | NULL,\r | |
1481 | (VOID **) &Manager\r | |
1482 | );\r | |
1483 | if (EFI_ERROR (Status)) {\r | |
1484 | return EFI_SUCCESS;\r | |
1485 | }\r | |
1486 | \r | |
1487 | return Manager->Identify (Manager, User);\r | |
1488 | }\r | |
1489 | \r | |
217abb46 SL |
1490 | /**\r |
1491 | Set the variable and report the error through status code upon failure.\r | |
1492 | \r | |
1493 | @param VariableName A Null-terminated string that is the name of the vendor's variable.\r | |
1494 | Each VariableName is unique for each VendorGuid. VariableName must\r | |
1495 | contain 1 or more characters. If VariableName is an empty string,\r | |
1496 | then EFI_INVALID_PARAMETER is returned.\r | |
1497 | @param VendorGuid A unique identifier for the vendor.\r | |
1498 | @param Attributes Attributes bitmask to set for the variable.\r | |
1499 | @param DataSize The size in bytes of the Data buffer. Unless the EFI_VARIABLE_APPEND_WRITE, \r | |
1500 | EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS, or \r | |
1501 | EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS attribute is set, a size of zero \r | |
1502 | causes the variable to be deleted. When the EFI_VARIABLE_APPEND_WRITE attribute is \r | |
1503 | set, then a SetVariable() call with a DataSize of zero will not cause any change to \r | |
1504 | the variable value (the timestamp associated with the variable may be updated however \r | |
1505 | even if no new data value is provided,see the description of the \r | |
1506 | EFI_VARIABLE_AUTHENTICATION_2 descriptor below. In this case the DataSize will not \r | |
1507 | be zero since the EFI_VARIABLE_AUTHENTICATION_2 descriptor will be populated). \r | |
1508 | @param Data The contents for the variable.\r | |
1509 | \r | |
1510 | @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as\r | |
1511 | defined by the Attributes.\r | |
1512 | @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the\r | |
1513 | DataSize exceeds the maximum allowed.\r | |
1514 | @retval EFI_INVALID_PARAMETER VariableName is an empty string.\r | |
1515 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.\r | |
1516 | @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.\r | |
1517 | @retval EFI_WRITE_PROTECTED The variable in question is read-only.\r | |
1518 | @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.\r | |
1519 | @retval EFI_SECURITY_VIOLATION The variable could not be written due to EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS \r | |
1520 | or EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set, but the AuthInfo \r | |
1521 | does NOT pass the validation check carried out by the firmware.\r | |
1522 | \r | |
1523 | @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.\r | |
1524 | **/\r | |
1525 | EFI_STATUS\r | |
1526 | SetVariableAndReportStatusCodeOnError (\r | |
1527 | IN CHAR16 *VariableName,\r | |
1528 | IN EFI_GUID *VendorGuid,\r | |
1529 | IN UINT32 Attributes,\r | |
1530 | IN UINTN DataSize,\r | |
1531 | IN VOID *Data\r | |
1532 | )\r | |
1533 | {\r | |
1534 | EFI_STATUS Status;\r | |
1535 | EDKII_SET_VARIABLE_STATUS *SetVariableStatus;\r | |
1536 | UINTN NameSize;\r | |
1537 | \r | |
1538 | Status = gRT->SetVariable (\r | |
1539 | VariableName,\r | |
1540 | VendorGuid,\r | |
1541 | Attributes,\r | |
1542 | DataSize,\r | |
1543 | Data\r | |
1544 | );\r | |
1545 | if (EFI_ERROR (Status)) {\r | |
1546 | NameSize = StrSize (VariableName);\r | |
1547 | SetVariableStatus = AllocatePool (sizeof (EDKII_SET_VARIABLE_STATUS) + NameSize + DataSize);\r | |
1548 | if (SetVariableStatus != NULL) {\r | |
1549 | CopyGuid (&SetVariableStatus->Guid, VendorGuid);\r | |
1550 | SetVariableStatus->NameSize = NameSize;\r | |
1551 | SetVariableStatus->DataSize = DataSize;\r | |
1552 | SetVariableStatus->SetStatus = Status;\r | |
1553 | SetVariableStatus->Attributes = Attributes;\r | |
1554 | CopyMem (SetVariableStatus + 1, VariableName, NameSize);\r | |
1555 | if ((Data != NULL) && (DataSize != 0)) {\r | |
1556 | CopyMem (((UINT8 *) (SetVariableStatus + 1)) + NameSize, Data, DataSize);\r | |
1557 | }\r | |
1558 | \r | |
1559 | REPORT_STATUS_CODE_EX (\r | |
1560 | EFI_ERROR_CODE,\r | |
1561 | PcdGet32 (PcdErrorCodeSetVariable),\r | |
1562 | 0,\r | |
1563 | NULL,\r | |
1564 | &gEdkiiStatusCodeDataTypeVariableGuid,\r | |
1565 | SetVariableStatus,\r | |
1566 | sizeof (EDKII_SET_VARIABLE_STATUS) + NameSize + DataSize\r | |
1567 | );\r | |
1568 | \r | |
1569 | FreePool (SetVariableStatus);\r | |
1570 | }\r | |
1571 | }\r | |
1572 | \r | |
1573 | return Status;\r | |
1574 | }\r | |
1575 | \r |