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5c08e117 | 1 | /** @file\r |
2 | Misc BDS library function\r | |
3 | \r | |
a97a8596 | 4 | Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r |
180a5a35 | 5 | This program and the accompanying materials\r |
5c08e117 | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include "InternalBdsLib.h"\r | |
16 | \r | |
17 | \r | |
18 | #define MAX_STRING_LEN 200\r | |
19 | \r | |
20 | BOOLEAN mFeaturerSwitch = TRUE;\r | |
21 | BOOLEAN mResetRequired = FALSE;\r | |
22 | \r | |
23 | extern UINT16 gPlatformBootTimeOutDefault;\r | |
24 | \r | |
5c08e117 | 25 | /**\r |
26 | The function will go through the driver option link list, load and start\r | |
27 | every driver the driver option device path point to.\r | |
28 | \r | |
29 | @param BdsDriverLists The header of the current driver option link list\r | |
30 | \r | |
31 | **/\r | |
32 | VOID\r | |
33 | EFIAPI\r | |
34 | BdsLibLoadDrivers (\r | |
35 | IN LIST_ENTRY *BdsDriverLists\r | |
36 | )\r | |
37 | {\r | |
38 | EFI_STATUS Status;\r | |
39 | LIST_ENTRY *Link;\r | |
40 | BDS_COMMON_OPTION *Option;\r | |
41 | EFI_HANDLE ImageHandle;\r | |
42 | EFI_LOADED_IMAGE_PROTOCOL *ImageInfo;\r | |
43 | UINTN ExitDataSize;\r | |
44 | CHAR16 *ExitData;\r | |
45 | BOOLEAN ReconnectAll;\r | |
46 | \r | |
47 | ReconnectAll = FALSE;\r | |
48 | \r | |
49 | //\r | |
50 | // Process the driver option\r | |
51 | //\r | |
52 | for (Link = BdsDriverLists->ForwardLink; Link != BdsDriverLists; Link = Link->ForwardLink) {\r | |
53 | Option = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);\r | |
54 | \r | |
55 | //\r | |
56 | // If a load option is not marked as LOAD_OPTION_ACTIVE,\r | |
57 | // the boot manager will not automatically load the option.\r | |
58 | //\r | |
59 | if (!IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_ACTIVE)) {\r | |
60 | continue;\r | |
61 | }\r | |
62 | \r | |
63 | //\r | |
64 | // If a driver load option is marked as LOAD_OPTION_FORCE_RECONNECT,\r | |
65 | // then all of the EFI drivers in the system will be disconnected and\r | |
66 | // reconnected after the last driver load option is processed.\r | |
67 | //\r | |
68 | if (IS_LOAD_OPTION_TYPE (Option->Attribute, LOAD_OPTION_FORCE_RECONNECT)) {\r | |
69 | ReconnectAll = TRUE;\r | |
70 | }\r | |
71 | \r | |
72 | //\r | |
73 | // Make sure the driver path is connected.\r | |
74 | //\r | |
75 | BdsLibConnectDevicePath (Option->DevicePath);\r | |
76 | \r | |
77 | //\r | |
78 | // Load and start the image that Driver#### describes\r | |
79 | //\r | |
80 | Status = gBS->LoadImage (\r | |
81 | FALSE,\r | |
fefefa4c | 82 | gImageHandle,\r |
5c08e117 | 83 | Option->DevicePath,\r |
84 | NULL,\r | |
85 | 0,\r | |
86 | &ImageHandle\r | |
87 | );\r | |
88 | \r | |
89 | if (!EFI_ERROR (Status)) {\r | |
90 | gBS->HandleProtocol (ImageHandle, &gEfiLoadedImageProtocolGuid, (VOID **) &ImageInfo);\r | |
91 | \r | |
92 | //\r | |
93 | // Verify whether this image is a driver, if not,\r | |
94 | // exit it and continue to parse next load option\r | |
95 | //\r | |
96 | if (ImageInfo->ImageCodeType != EfiBootServicesCode && ImageInfo->ImageCodeType != EfiRuntimeServicesCode) {\r | |
97 | gBS->Exit (ImageHandle, EFI_INVALID_PARAMETER, 0, NULL);\r | |
98 | continue;\r | |
99 | }\r | |
100 | \r | |
101 | if (Option->LoadOptionsSize != 0) {\r | |
102 | ImageInfo->LoadOptionsSize = Option->LoadOptionsSize;\r | |
103 | ImageInfo->LoadOptions = Option->LoadOptions;\r | |
104 | }\r | |
105 | //\r | |
106 | // Before calling the image, enable the Watchdog Timer for\r | |
107 | // the 5 Minute period\r | |
108 | //\r | |
109 | gBS->SetWatchdogTimer (5 * 60, 0x0000, 0x00, NULL);\r | |
110 | \r | |
111 | Status = gBS->StartImage (ImageHandle, &ExitDataSize, &ExitData);\r | |
112 | DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Driver Return Status = %r\n", Status));\r | |
113 | \r | |
114 | //\r | |
115 | // Clear the Watchdog Timer after the image returns\r | |
116 | //\r | |
117 | gBS->SetWatchdogTimer (0x0000, 0x0000, 0x0000, NULL);\r | |
118 | }\r | |
119 | }\r | |
120 | \r | |
121 | //\r | |
122 | // Process the LOAD_OPTION_FORCE_RECONNECT driver option\r | |
123 | //\r | |
124 | if (ReconnectAll) {\r | |
125 | BdsLibDisconnectAllEfi ();\r | |
126 | BdsLibConnectAll ();\r | |
127 | }\r | |
128 | \r | |
129 | }\r | |
130 | \r | |
131 | /**\r | |
132 | Get the Option Number that does not used.\r | |
133 | Try to locate the specific option variable one by one utile find a free number.\r | |
134 | \r | |
135 | @param VariableName Indicate if the boot#### or driver#### option\r | |
136 | \r | |
137 | @return The Minimal Free Option Number\r | |
138 | \r | |
139 | **/\r | |
140 | UINT16\r | |
141 | BdsLibGetFreeOptionNumber (\r | |
142 | IN CHAR16 *VariableName\r | |
143 | )\r | |
144 | {\r | |
145 | UINTN Index;\r | |
146 | CHAR16 StrTemp[10];\r | |
147 | UINT16 *OptionBuffer;\r | |
148 | UINTN OptionSize;\r | |
149 | \r | |
150 | //\r | |
151 | // Try to find the minimum free number from 0, 1, 2, 3....\r | |
152 | //\r | |
153 | Index = 0;\r | |
154 | do {\r | |
155 | if (*VariableName == 'B') {\r | |
156 | UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Boot%04x", Index);\r | |
157 | } else {\r | |
158 | UnicodeSPrint (StrTemp, sizeof (StrTemp), L"Driver%04x", Index);\r | |
159 | }\r | |
160 | //\r | |
161 | // try if the option number is used\r | |
162 | //\r | |
163 | OptionBuffer = BdsLibGetVariableAndSize (\r | |
164 | StrTemp,\r | |
165 | &gEfiGlobalVariableGuid,\r | |
166 | &OptionSize\r | |
167 | );\r | |
168 | if (OptionBuffer == NULL) {\r | |
169 | break;\r | |
170 | }\r | |
171 | Index++;\r | |
172 | } while (TRUE);\r | |
173 | \r | |
174 | return ((UINT16) Index);\r | |
175 | }\r | |
176 | \r | |
177 | \r | |
178 | /**\r | |
179 | This function will register the new boot#### or driver#### option base on\r | |
180 | the VariableName. The new registered boot#### or driver#### will be linked\r | |
181 | to BdsOptionList and also update to the VariableName. After the boot#### or\r | |
182 | driver#### updated, the BootOrder or DriverOrder will also be updated.\r | |
183 | \r | |
184 | @param BdsOptionList The header of the boot#### or driver#### link list\r | |
185 | @param DevicePath The device path which the boot#### or driver####\r | |
186 | option present\r | |
187 | @param String The description of the boot#### or driver####\r | |
188 | @param VariableName Indicate if the boot#### or driver#### option\r | |
189 | \r | |
190 | @retval EFI_SUCCESS The boot#### or driver#### have been success\r | |
191 | registered\r | |
192 | @retval EFI_STATUS Return the status of gRT->SetVariable ().\r | |
193 | \r | |
194 | **/\r | |
195 | EFI_STATUS\r | |
196 | EFIAPI\r | |
197 | BdsLibRegisterNewOption (\r | |
198 | IN LIST_ENTRY *BdsOptionList,\r | |
199 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
200 | IN CHAR16 *String,\r | |
201 | IN CHAR16 *VariableName\r | |
202 | )\r | |
203 | {\r | |
204 | EFI_STATUS Status;\r | |
205 | UINTN Index;\r | |
206 | UINT16 RegisterOptionNumber;\r | |
207 | UINT16 *TempOptionPtr;\r | |
208 | UINTN TempOptionSize;\r | |
209 | UINT16 *OptionOrderPtr;\r | |
210 | VOID *OptionPtr;\r | |
211 | UINTN OptionSize;\r | |
212 | UINT8 *TempPtr;\r | |
213 | EFI_DEVICE_PATH_PROTOCOL *OptionDevicePath;\r | |
214 | CHAR16 *Description;\r | |
215 | CHAR16 OptionName[10];\r | |
216 | BOOLEAN UpdateDescription;\r | |
217 | UINT16 BootOrderEntry;\r | |
218 | UINTN OrderItemNum;\r | |
219 | \r | |
220 | \r | |
221 | OptionPtr = NULL;\r | |
222 | OptionSize = 0;\r | |
223 | TempPtr = NULL;\r | |
224 | OptionDevicePath = NULL;\r | |
225 | Description = NULL;\r | |
226 | OptionOrderPtr = NULL;\r | |
227 | UpdateDescription = FALSE;\r | |
228 | Status = EFI_SUCCESS;\r | |
229 | ZeroMem (OptionName, sizeof (OptionName));\r | |
230 | \r | |
231 | TempOptionSize = 0;\r | |
232 | TempOptionPtr = BdsLibGetVariableAndSize (\r | |
233 | VariableName,\r | |
234 | &gEfiGlobalVariableGuid,\r | |
235 | &TempOptionSize\r | |
236 | );\r | |
237 | //\r | |
238 | // Compare with current option variable if the previous option is set in global variable.\r | |
239 | //\r | |
240 | for (Index = 0; Index < TempOptionSize / sizeof (UINT16); Index++) {\r | |
241 | //\r | |
242 | // TempOptionPtr must not be NULL if we have non-zero TempOptionSize.\r | |
243 | //\r | |
244 | ASSERT (TempOptionPtr != NULL);\r | |
245 | \r | |
246 | if (*VariableName == 'B') {\r | |
247 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", TempOptionPtr[Index]);\r | |
248 | } else {\r | |
249 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", TempOptionPtr[Index]);\r | |
250 | }\r | |
251 | \r | |
252 | OptionPtr = BdsLibGetVariableAndSize (\r | |
253 | OptionName,\r | |
254 | &gEfiGlobalVariableGuid,\r | |
255 | &OptionSize\r | |
256 | );\r | |
257 | if (OptionPtr == NULL) {\r | |
258 | continue;\r | |
259 | }\r | |
260 | TempPtr = OptionPtr;\r | |
261 | TempPtr += sizeof (UINT32) + sizeof (UINT16);\r | |
262 | Description = (CHAR16 *) TempPtr;\r | |
263 | TempPtr += StrSize ((CHAR16 *) TempPtr);\r | |
264 | OptionDevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
265 | \r | |
266 | //\r | |
267 | // Notes: the description may will change base on the GetStringToken\r | |
268 | //\r | |
269 | if (CompareMem (OptionDevicePath, DevicePath, GetDevicePathSize (OptionDevicePath)) == 0) {\r | |
270 | if (CompareMem (Description, String, StrSize (Description)) == 0) { \r | |
271 | //\r | |
272 | // Got the option, so just return\r | |
273 | //\r | |
274 | FreePool (OptionPtr);\r | |
275 | FreePool (TempOptionPtr);\r | |
276 | return EFI_SUCCESS;\r | |
277 | } else {\r | |
278 | //\r | |
279 | // Option description changed, need update.\r | |
280 | //\r | |
281 | UpdateDescription = TRUE;\r | |
282 | FreePool (OptionPtr);\r | |
283 | break;\r | |
284 | }\r | |
285 | }\r | |
286 | \r | |
287 | FreePool (OptionPtr);\r | |
288 | }\r | |
289 | \r | |
290 | OptionSize = sizeof (UINT32) + sizeof (UINT16) + StrSize (String);\r | |
291 | OptionSize += GetDevicePathSize (DevicePath);\r | |
292 | OptionPtr = AllocateZeroPool (OptionSize);\r | |
293 | ASSERT (OptionPtr != NULL);\r | |
294 | \r | |
295 | TempPtr = OptionPtr;\r | |
296 | *(UINT32 *) TempPtr = LOAD_OPTION_ACTIVE;\r | |
297 | TempPtr += sizeof (UINT32);\r | |
298 | *(UINT16 *) TempPtr = (UINT16) GetDevicePathSize (DevicePath);\r | |
299 | TempPtr += sizeof (UINT16);\r | |
300 | CopyMem (TempPtr, String, StrSize (String));\r | |
301 | TempPtr += StrSize (String);\r | |
302 | CopyMem (TempPtr, DevicePath, GetDevicePathSize (DevicePath));\r | |
303 | \r | |
304 | if (UpdateDescription) {\r | |
305 | //\r | |
306 | // The number in option#### to be updated. \r | |
307 | // In this case, we must have non-NULL TempOptionPtr.\r | |
308 | //\r | |
309 | ASSERT (TempOptionPtr != NULL);\r | |
310 | RegisterOptionNumber = TempOptionPtr[Index];\r | |
311 | } else {\r | |
312 | //\r | |
313 | // The new option#### number\r | |
314 | //\r | |
315 | RegisterOptionNumber = BdsLibGetFreeOptionNumber(VariableName);\r | |
316 | }\r | |
317 | \r | |
318 | if (*VariableName == 'B') {\r | |
319 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", RegisterOptionNumber);\r | |
320 | } else {\r | |
321 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", RegisterOptionNumber);\r | |
322 | }\r | |
323 | \r | |
324 | Status = gRT->SetVariable (\r | |
325 | OptionName,\r | |
326 | &gEfiGlobalVariableGuid,\r | |
327 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
328 | OptionSize,\r | |
329 | OptionPtr\r | |
330 | );\r | |
331 | //\r | |
332 | // Return if only need to update a changed description or fail to set option.\r | |
333 | //\r | |
334 | if (EFI_ERROR (Status) || UpdateDescription) {\r | |
335 | FreePool (OptionPtr);\r | |
336 | if (TempOptionPtr != NULL) {\r | |
337 | FreePool (TempOptionPtr);\r | |
338 | }\r | |
339 | return Status;\r | |
340 | }\r | |
341 | \r | |
342 | FreePool (OptionPtr);\r | |
343 | \r | |
344 | //\r | |
345 | // Update the option order variable\r | |
346 | //\r | |
347 | \r | |
348 | //\r | |
349 | // If no option order\r | |
350 | //\r | |
351 | if (TempOptionSize == 0) {\r | |
352 | BootOrderEntry = 0;\r | |
353 | Status = gRT->SetVariable (\r | |
354 | VariableName,\r | |
355 | &gEfiGlobalVariableGuid,\r | |
356 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
357 | sizeof (UINT16),\r | |
358 | &BootOrderEntry\r | |
359 | );\r | |
360 | if (TempOptionPtr != NULL) {\r | |
361 | FreePool (TempOptionPtr);\r | |
362 | }\r | |
363 | return Status;\r | |
364 | }\r | |
365 | \r | |
366 | //\r | |
367 | // TempOptionPtr must not be NULL if TempOptionSize is not zero.\r | |
368 | //\r | |
369 | ASSERT (TempOptionPtr != NULL);\r | |
370 | //\r | |
371 | // Append the new option number to the original option order\r | |
372 | //\r | |
373 | OrderItemNum = (TempOptionSize / sizeof (UINT16)) + 1 ;\r | |
374 | OptionOrderPtr = AllocateZeroPool ( OrderItemNum * sizeof (UINT16));\r | |
375 | ASSERT (OptionOrderPtr!= NULL);\r | |
376 | CopyMem (OptionOrderPtr, TempOptionPtr, (OrderItemNum - 1) * sizeof (UINT16));\r | |
377 | \r | |
378 | OptionOrderPtr[Index] = RegisterOptionNumber;\r | |
379 | \r | |
380 | Status = gRT->SetVariable (\r | |
381 | VariableName,\r | |
382 | &gEfiGlobalVariableGuid,\r | |
383 | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r | |
384 | OrderItemNum * sizeof (UINT16),\r | |
385 | OptionOrderPtr\r | |
386 | );\r | |
387 | FreePool (TempOptionPtr);\r | |
388 | FreePool (OptionOrderPtr);\r | |
389 | \r | |
390 | return Status;\r | |
391 | }\r | |
392 | \r | |
393 | \r | |
394 | /**\r | |
395 | Build the boot#### or driver#### option from the VariableName, the\r | |
396 | build boot#### or driver#### will also be linked to BdsCommonOptionList.\r | |
397 | \r | |
398 | @param BdsCommonOptionList The header of the boot#### or driver#### option\r | |
399 | link list\r | |
400 | @param VariableName EFI Variable name indicate if it is boot#### or\r | |
401 | driver####\r | |
402 | \r | |
403 | @retval BDS_COMMON_OPTION Get the option just been created\r | |
404 | @retval NULL Failed to get the new option\r | |
405 | \r | |
406 | **/\r | |
407 | BDS_COMMON_OPTION *\r | |
408 | EFIAPI\r | |
409 | BdsLibVariableToOption (\r | |
410 | IN OUT LIST_ENTRY *BdsCommonOptionList,\r | |
411 | IN CHAR16 *VariableName\r | |
412 | )\r | |
413 | {\r | |
414 | UINT32 Attribute;\r | |
415 | UINT16 FilePathSize;\r | |
416 | UINT8 *Variable;\r | |
417 | UINT8 *TempPtr;\r | |
418 | UINTN VariableSize;\r | |
419 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
420 | BDS_COMMON_OPTION *Option;\r | |
421 | VOID *LoadOptions;\r | |
422 | UINT32 LoadOptionsSize;\r | |
423 | CHAR16 *Description;\r | |
424 | UINT8 NumOff;\r | |
425 | //\r | |
426 | // Read the variable. We will never free this data.\r | |
427 | //\r | |
428 | Variable = BdsLibGetVariableAndSize (\r | |
429 | VariableName,\r | |
430 | &gEfiGlobalVariableGuid,\r | |
431 | &VariableSize\r | |
432 | );\r | |
433 | if (Variable == NULL) {\r | |
434 | return NULL;\r | |
435 | }\r | |
436 | //\r | |
437 | // Notes: careful defined the variable of Boot#### or\r | |
438 | // Driver####, consider use some macro to abstract the code\r | |
439 | //\r | |
440 | //\r | |
441 | // Get the option attribute\r | |
442 | //\r | |
443 | TempPtr = Variable;\r | |
444 | Attribute = *(UINT32 *) Variable;\r | |
445 | TempPtr += sizeof (UINT32);\r | |
446 | \r | |
447 | //\r | |
448 | // Get the option's device path size\r | |
449 | //\r | |
450 | FilePathSize = *(UINT16 *) TempPtr;\r | |
451 | TempPtr += sizeof (UINT16);\r | |
452 | \r | |
453 | //\r | |
454 | // Get the option's description string\r | |
455 | //\r | |
456 | Description = (CHAR16 *) TempPtr;\r | |
457 | \r | |
458 | //\r | |
459 | // Get the option's description string size\r | |
460 | //\r | |
461 | TempPtr += StrSize ((CHAR16 *) TempPtr);\r | |
462 | \r | |
463 | //\r | |
464 | // Get the option's device path\r | |
465 | //\r | |
466 | DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) TempPtr;\r | |
467 | TempPtr += FilePathSize;\r | |
468 | \r | |
469 | LoadOptions = TempPtr;\r | |
470 | LoadOptionsSize = (UINT32) (VariableSize - (UINTN) (TempPtr - Variable));\r | |
471 | \r | |
472 | //\r | |
473 | // The Console variables may have multiple device paths, so make\r | |
474 | // an Entry for each one.\r | |
475 | //\r | |
476 | Option = AllocateZeroPool (sizeof (BDS_COMMON_OPTION));\r | |
477 | if (Option == NULL) {\r | |
478 | return NULL;\r | |
479 | }\r | |
480 | \r | |
481 | Option->Signature = BDS_LOAD_OPTION_SIGNATURE;\r | |
482 | Option->DevicePath = AllocateZeroPool (GetDevicePathSize (DevicePath));\r | |
483 | ASSERT(Option->DevicePath != NULL);\r | |
484 | CopyMem (Option->DevicePath, DevicePath, GetDevicePathSize (DevicePath));\r | |
485 | \r | |
486 | Option->Attribute = Attribute;\r | |
487 | Option->Description = AllocateZeroPool (StrSize (Description));\r | |
488 | ASSERT(Option->Description != NULL);\r | |
489 | CopyMem (Option->Description, Description, StrSize (Description));\r | |
490 | \r | |
491 | Option->LoadOptions = AllocateZeroPool (LoadOptionsSize);\r | |
492 | ASSERT(Option->LoadOptions != NULL);\r | |
493 | CopyMem (Option->LoadOptions, LoadOptions, LoadOptionsSize);\r | |
494 | Option->LoadOptionsSize = LoadOptionsSize;\r | |
495 | \r | |
496 | //\r | |
497 | // Get the value from VariableName Unicode string\r | |
498 | // since the ISO standard assumes ASCII equivalent abbreviations, we can be safe in converting this\r | |
499 | // Unicode stream to ASCII without any loss in meaning.\r | |
500 | //\r | |
501 | if (*VariableName == 'B') {\r | |
13314ba3 | 502 | NumOff = (UINT8) (sizeof (L"Boot") / sizeof(CHAR16) - 1);\r |
5c08e117 | 503 | Option->BootCurrent = (UINT16) ((VariableName[NumOff] -'0') * 0x1000);\r |
504 | Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+1]-'0') * 0x100));\r | |
505 | Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+2]-'0') * 0x10));\r | |
506 | Option->BootCurrent = (UINT16) (Option->BootCurrent + ((VariableName[NumOff+3]-'0')));\r | |
507 | }\r | |
508 | //\r | |
509 | // Insert active entry to BdsDeviceList\r | |
510 | //\r | |
511 | if ((Option->Attribute & LOAD_OPTION_ACTIVE) == LOAD_OPTION_ACTIVE) {\r | |
512 | InsertTailList (BdsCommonOptionList, &Option->Link);\r | |
513 | FreePool (Variable);\r | |
514 | return Option;\r | |
515 | }\r | |
516 | \r | |
517 | FreePool (Variable);\r | |
518 | FreePool (Option);\r | |
519 | return NULL;\r | |
520 | \r | |
521 | }\r | |
522 | \r | |
523 | /**\r | |
524 | Process BootOrder, or DriverOrder variables, by calling\r | |
525 | BdsLibVariableToOption () for each UINT16 in the variables.\r | |
526 | \r | |
527 | @param BdsCommonOptionList The header of the option list base on variable\r | |
528 | VariableName\r | |
529 | @param VariableName EFI Variable name indicate the BootOrder or\r | |
530 | DriverOrder\r | |
531 | \r | |
532 | @retval EFI_SUCCESS Success create the boot option or driver option\r | |
533 | list\r | |
534 | @retval EFI_OUT_OF_RESOURCES Failed to get the boot option or driver option list\r | |
535 | \r | |
536 | **/\r | |
537 | EFI_STATUS\r | |
538 | EFIAPI\r | |
539 | BdsLibBuildOptionFromVar (\r | |
540 | IN LIST_ENTRY *BdsCommonOptionList,\r | |
541 | IN CHAR16 *VariableName\r | |
542 | )\r | |
543 | {\r | |
544 | UINT16 *OptionOrder;\r | |
545 | UINTN OptionOrderSize;\r | |
546 | UINTN Index;\r | |
547 | BDS_COMMON_OPTION *Option;\r | |
548 | CHAR16 OptionName[20];\r | |
549 | \r | |
550 | //\r | |
551 | // Zero Buffer in order to get all BOOT#### variables\r | |
552 | //\r | |
553 | ZeroMem (OptionName, sizeof (OptionName));\r | |
554 | \r | |
555 | //\r | |
556 | // Read the BootOrder, or DriverOrder variable.\r | |
557 | //\r | |
558 | OptionOrder = BdsLibGetVariableAndSize (\r | |
559 | VariableName,\r | |
560 | &gEfiGlobalVariableGuid,\r | |
561 | &OptionOrderSize\r | |
562 | );\r | |
563 | if (OptionOrder == NULL) {\r | |
564 | return EFI_OUT_OF_RESOURCES;\r | |
565 | }\r | |
566 | \r | |
567 | for (Index = 0; Index < OptionOrderSize / sizeof (UINT16); Index++) {\r | |
568 | if (*VariableName == 'B') {\r | |
569 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", OptionOrder[Index]);\r | |
570 | } else {\r | |
571 | UnicodeSPrint (OptionName, sizeof (OptionName), L"Driver%04x", OptionOrder[Index]);\r | |
572 | }\r | |
573 | \r | |
574 | Option = BdsLibVariableToOption (BdsCommonOptionList, OptionName);\r | |
7490e2be | 575 | if (Option != NULL) {\r |
576 | Option->BootCurrent = OptionOrder[Index];\r | |
577 | }\r | |
5c08e117 | 578 | }\r |
579 | \r | |
580 | FreePool (OptionOrder);\r | |
581 | \r | |
582 | return EFI_SUCCESS;\r | |
583 | }\r | |
584 | \r | |
585 | /**\r | |
586 | Get boot mode by looking up configuration table and parsing HOB list\r | |
587 | \r | |
588 | @param BootMode Boot mode from PEI handoff HOB.\r | |
589 | \r | |
590 | @retval EFI_SUCCESS Successfully get boot mode\r | |
591 | \r | |
592 | **/\r | |
593 | EFI_STATUS\r | |
594 | EFIAPI\r | |
595 | BdsLibGetBootMode (\r | |
596 | OUT EFI_BOOT_MODE *BootMode\r | |
597 | )\r | |
598 | {\r | |
599 | *BootMode = GetBootModeHob ();\r | |
600 | \r | |
601 | return EFI_SUCCESS;\r | |
602 | }\r | |
603 | \r | |
604 | /**\r | |
605 | Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r | |
606 | buffer, and the size of the buffer. If failure return NULL.\r | |
607 | \r | |
608 | @param Name String part of EFI variable name\r | |
609 | @param VendorGuid GUID part of EFI variable name\r | |
610 | @param VariableSize Returns the size of the EFI variable that was read\r | |
611 | \r | |
612 | @return Dynamically allocated memory that contains a copy of the EFI variable\r | |
613 | Caller is responsible freeing the buffer.\r | |
614 | @retval NULL Variable was not read\r | |
615 | \r | |
616 | **/\r | |
617 | VOID *\r | |
618 | EFIAPI\r | |
619 | BdsLibGetVariableAndSize (\r | |
620 | IN CHAR16 *Name,\r | |
621 | IN EFI_GUID *VendorGuid,\r | |
622 | OUT UINTN *VariableSize\r | |
623 | )\r | |
624 | {\r | |
625 | EFI_STATUS Status;\r | |
626 | UINTN BufferSize;\r | |
627 | VOID *Buffer;\r | |
628 | \r | |
629 | Buffer = NULL;\r | |
630 | \r | |
631 | //\r | |
632 | // Pass in a zero size buffer to find the required buffer size.\r | |
633 | //\r | |
634 | BufferSize = 0;\r | |
635 | Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);\r | |
636 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
637 | //\r | |
638 | // Allocate the buffer to return\r | |
639 | //\r | |
640 | Buffer = AllocateZeroPool (BufferSize);\r | |
641 | if (Buffer == NULL) {\r | |
642 | return NULL;\r | |
643 | }\r | |
644 | //\r | |
645 | // Read variable into the allocated buffer.\r | |
646 | //\r | |
647 | Status = gRT->GetVariable (Name, VendorGuid, NULL, &BufferSize, Buffer);\r | |
648 | if (EFI_ERROR (Status)) {\r | |
649 | BufferSize = 0;\r | |
650 | }\r | |
651 | }\r | |
652 | \r | |
653 | *VariableSize = BufferSize;\r | |
654 | return Buffer;\r | |
655 | }\r | |
656 | \r | |
657 | /**\r | |
658 | Delete the instance in Multi which matches partly with Single instance\r | |
659 | \r | |
660 | @param Multi A pointer to a multi-instance device path data\r | |
661 | structure.\r | |
662 | @param Single A pointer to a single-instance device path data\r | |
663 | structure.\r | |
664 | \r | |
665 | @return This function will remove the device path instances in Multi which partly\r | |
666 | match with the Single, and return the result device path. If there is no\r | |
667 | remaining device path as a result, this function will return NULL.\r | |
668 | \r | |
669 | **/\r | |
670 | EFI_DEVICE_PATH_PROTOCOL *\r | |
671 | EFIAPI\r | |
672 | BdsLibDelPartMatchInstance (\r | |
673 | IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r | |
674 | IN EFI_DEVICE_PATH_PROTOCOL *Single\r | |
675 | )\r | |
676 | {\r | |
677 | EFI_DEVICE_PATH_PROTOCOL *Instance;\r | |
678 | EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;\r | |
679 | EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;\r | |
680 | UINTN InstanceSize;\r | |
681 | UINTN SingleDpSize;\r | |
682 | UINTN Size;\r | |
683 | \r | |
684 | NewDevicePath = NULL;\r | |
685 | TempNewDevicePath = NULL;\r | |
686 | \r | |
687 | if (Multi == NULL || Single == NULL) {\r | |
688 | return Multi;\r | |
689 | }\r | |
690 | \r | |
691 | Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);\r | |
692 | SingleDpSize = GetDevicePathSize (Single) - END_DEVICE_PATH_LENGTH;\r | |
693 | InstanceSize -= END_DEVICE_PATH_LENGTH;\r | |
694 | \r | |
695 | while (Instance != NULL) {\r | |
696 | \r | |
697 | Size = (SingleDpSize < InstanceSize) ? SingleDpSize : InstanceSize;\r | |
698 | \r | |
699 | if ((CompareMem (Instance, Single, Size) != 0)) {\r | |
700 | //\r | |
701 | // Append the device path instance which does not match with Single\r | |
702 | //\r | |
703 | TempNewDevicePath = NewDevicePath;\r | |
704 | NewDevicePath = AppendDevicePathInstance (NewDevicePath, Instance);\r | |
705 | if (TempNewDevicePath != NULL) {\r | |
706 | FreePool(TempNewDevicePath);\r | |
707 | }\r | |
708 | }\r | |
709 | FreePool(Instance);\r | |
710 | Instance = GetNextDevicePathInstance (&Multi, &InstanceSize);\r | |
711 | InstanceSize -= END_DEVICE_PATH_LENGTH;\r | |
712 | }\r | |
713 | \r | |
714 | return NewDevicePath;\r | |
715 | }\r | |
716 | \r | |
717 | /**\r | |
718 | Function compares a device path data structure to that of all the nodes of a\r | |
719 | second device path instance.\r | |
720 | \r | |
721 | @param Multi A pointer to a multi-instance device path data\r | |
722 | structure.\r | |
723 | @param Single A pointer to a single-instance device path data\r | |
724 | structure.\r | |
725 | \r | |
726 | @retval TRUE If the Single device path is contained within Multi device path.\r | |
727 | @retval FALSE The Single device path is not match within Multi device path.\r | |
728 | \r | |
729 | **/\r | |
730 | BOOLEAN\r | |
731 | EFIAPI\r | |
732 | BdsLibMatchDevicePaths (\r | |
733 | IN EFI_DEVICE_PATH_PROTOCOL *Multi,\r | |
734 | IN EFI_DEVICE_PATH_PROTOCOL *Single\r | |
735 | )\r | |
736 | {\r | |
737 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
738 | EFI_DEVICE_PATH_PROTOCOL *DevicePathInst;\r | |
739 | UINTN Size;\r | |
740 | \r | |
741 | if (Multi == NULL || Single == NULL) {\r | |
742 | return FALSE;\r | |
743 | }\r | |
744 | \r | |
745 | DevicePath = Multi;\r | |
746 | DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);\r | |
747 | \r | |
748 | //\r | |
749 | // Search for the match of 'Single' in 'Multi'\r | |
750 | //\r | |
751 | while (DevicePathInst != NULL) {\r | |
752 | //\r | |
753 | // If the single device path is found in multiple device paths,\r | |
754 | // return success\r | |
755 | //\r | |
756 | if (CompareMem (Single, DevicePathInst, Size) == 0) {\r | |
757 | FreePool (DevicePathInst);\r | |
758 | return TRUE;\r | |
759 | }\r | |
760 | \r | |
761 | FreePool (DevicePathInst);\r | |
762 | DevicePathInst = GetNextDevicePathInstance (&DevicePath, &Size);\r | |
763 | }\r | |
764 | \r | |
765 | return FALSE;\r | |
766 | }\r | |
767 | \r | |
768 | /**\r | |
769 | This function prints a series of strings.\r | |
770 | \r | |
771 | @param ConOut Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL\r | |
772 | @param ... A variable argument list containing series of\r | |
773 | strings, the last string must be NULL.\r | |
774 | \r | |
775 | @retval EFI_SUCCESS Success print out the string using ConOut.\r | |
776 | @retval EFI_STATUS Return the status of the ConOut->OutputString ().\r | |
777 | \r | |
778 | **/\r | |
779 | EFI_STATUS\r | |
780 | EFIAPI\r | |
781 | BdsLibOutputStrings (\r | |
782 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *ConOut,\r | |
783 | ...\r | |
784 | )\r | |
785 | {\r | |
786 | VA_LIST Args;\r | |
787 | EFI_STATUS Status;\r | |
788 | CHAR16 *String;\r | |
789 | \r | |
790 | Status = EFI_SUCCESS;\r | |
791 | VA_START (Args, ConOut);\r | |
792 | \r | |
793 | while (!EFI_ERROR (Status)) {\r | |
794 | //\r | |
795 | // If String is NULL, then it's the end of the list\r | |
796 | //\r | |
797 | String = VA_ARG (Args, CHAR16 *);\r | |
31b440cf | 798 | if (String == NULL) {\r |
5c08e117 | 799 | break;\r |
800 | }\r | |
801 | \r | |
802 | Status = ConOut->OutputString (ConOut, String);\r | |
803 | \r | |
804 | if (EFI_ERROR (Status)) {\r | |
805 | break;\r | |
806 | }\r | |
807 | }\r | |
808 | \r | |
809 | VA_END(Args);\r | |
810 | return Status;\r | |
811 | }\r | |
812 | \r | |
813 | //\r | |
8d3b5aff | 814 | // Following are BDS Lib functions which contain all the code about setup browser reset reminder feature.\r |
5c08e117 | 815 | // Setup Browser reset reminder feature is that an reset reminder will be given before user leaves the setup browser if\r |
816 | // user change any option setting which needs a reset to be effective, and the reset will be applied according to the user selection.\r | |
817 | //\r | |
818 | \r | |
819 | \r | |
820 | /**\r | |
821 | Enable the setup browser reset reminder feature.\r | |
822 | This routine is used in platform tip. If the platform policy need the feature, use the routine to enable it.\r | |
823 | \r | |
824 | **/\r | |
825 | VOID\r | |
826 | EFIAPI\r | |
827 | EnableResetReminderFeature (\r | |
828 | VOID\r | |
829 | )\r | |
830 | {\r | |
831 | mFeaturerSwitch = TRUE;\r | |
832 | }\r | |
833 | \r | |
834 | \r | |
835 | /**\r | |
836 | Disable the setup browser reset reminder feature.\r | |
837 | This routine is used in platform tip. If the platform policy do not want the feature, use the routine to disable it.\r | |
838 | \r | |
839 | **/\r | |
840 | VOID\r | |
841 | EFIAPI\r | |
842 | DisableResetReminderFeature (\r | |
843 | VOID\r | |
844 | )\r | |
845 | {\r | |
846 | mFeaturerSwitch = FALSE;\r | |
847 | }\r | |
848 | \r | |
849 | \r | |
850 | /**\r | |
851 | Record the info that a reset is required.\r | |
852 | A module boolean variable is used to record whether a reset is required.\r | |
853 | \r | |
854 | **/\r | |
855 | VOID\r | |
856 | EFIAPI\r | |
857 | EnableResetRequired (\r | |
858 | VOID\r | |
859 | )\r | |
860 | {\r | |
861 | mResetRequired = TRUE;\r | |
862 | }\r | |
863 | \r | |
864 | \r | |
865 | /**\r | |
866 | Record the info that no reset is required.\r | |
867 | A module boolean variable is used to record whether a reset is required.\r | |
868 | \r | |
869 | **/\r | |
870 | VOID\r | |
871 | EFIAPI\r | |
872 | DisableResetRequired (\r | |
873 | VOID\r | |
874 | )\r | |
875 | {\r | |
876 | mResetRequired = FALSE;\r | |
877 | }\r | |
878 | \r | |
879 | \r | |
880 | /**\r | |
881 | Check whether platform policy enable the reset reminder feature. The default is enabled.\r | |
882 | \r | |
883 | **/\r | |
884 | BOOLEAN\r | |
885 | EFIAPI\r | |
886 | IsResetReminderFeatureEnable (\r | |
887 | VOID\r | |
888 | )\r | |
889 | {\r | |
890 | return mFeaturerSwitch;\r | |
891 | }\r | |
892 | \r | |
893 | \r | |
894 | /**\r | |
895 | Check if user changed any option setting which needs a system reset to be effective.\r | |
896 | \r | |
897 | **/\r | |
898 | BOOLEAN\r | |
899 | EFIAPI\r | |
900 | IsResetRequired (\r | |
901 | VOID\r | |
902 | )\r | |
903 | {\r | |
904 | return mResetRequired;\r | |
905 | }\r | |
906 | \r | |
907 | \r | |
908 | /**\r | |
909 | Check whether a reset is needed, and finish the reset reminder feature.\r | |
910 | If a reset is needed, Popup a menu to notice user, and finish the feature\r | |
911 | according to the user selection.\r | |
912 | \r | |
913 | **/\r | |
914 | VOID\r | |
915 | EFIAPI\r | |
916 | SetupResetReminder (\r | |
917 | VOID\r | |
918 | )\r | |
919 | {\r | |
920 | EFI_INPUT_KEY Key;\r | |
921 | CHAR16 *StringBuffer1;\r | |
922 | CHAR16 *StringBuffer2;\r | |
923 | \r | |
924 | \r | |
925 | //\r | |
926 | //check any reset required change is applied? if yes, reset system\r | |
927 | //\r | |
928 | if (IsResetReminderFeatureEnable ()) {\r | |
929 | if (IsResetRequired ()) {\r | |
930 | \r | |
931 | StringBuffer1 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));\r | |
932 | ASSERT (StringBuffer1 != NULL);\r | |
933 | StringBuffer2 = AllocateZeroPool (MAX_STRING_LEN * sizeof (CHAR16));\r | |
934 | ASSERT (StringBuffer2 != NULL);\r | |
935 | StrCpy (StringBuffer1, L"Configuration changed. Reset to apply it Now ? ");\r | |
936 | StrCpy (StringBuffer2, L"Enter (YES) / Esc (NO)");\r | |
937 | //\r | |
938 | // Popup a menu to notice user\r | |
939 | //\r | |
940 | do {\r | |
e3b236c8 | 941 | CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key, StringBuffer1, StringBuffer2, NULL);\r |
5c08e117 | 942 | } while ((Key.ScanCode != SCAN_ESC) && (Key.UnicodeChar != CHAR_CARRIAGE_RETURN));\r |
943 | \r | |
944 | FreePool (StringBuffer1);\r | |
945 | FreePool (StringBuffer2);\r | |
946 | //\r | |
947 | // If the user hits the YES Response key, reset\r | |
948 | //\r | |
5817d508 | 949 | if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {\r |
5c08e117 | 950 | gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);\r |
951 | }\r | |
952 | gST->ConOut->ClearScreen (gST->ConOut);\r | |
953 | }\r | |
954 | }\r | |
955 | }\r | |
956 | \r | |
957 | /**\r | |
958 | Get the headers (dos, image, optional header) from an image\r | |
959 | \r | |
960 | @param Device SimpleFileSystem device handle\r | |
961 | @param FileName File name for the image\r | |
962 | @param DosHeader Pointer to dos header\r | |
963 | @param Hdr The buffer in which to return the PE32, PE32+, or TE header.\r | |
964 | \r | |
965 | @retval EFI_SUCCESS Successfully get the machine type.\r | |
966 | @retval EFI_NOT_FOUND The file is not found.\r | |
967 | @retval EFI_LOAD_ERROR File is not a valid image file.\r | |
968 | \r | |
969 | **/\r | |
970 | EFI_STATUS\r | |
971 | EFIAPI\r | |
972 | BdsLibGetImageHeader (\r | |
973 | IN EFI_HANDLE Device,\r | |
974 | IN CHAR16 *FileName,\r | |
975 | OUT EFI_IMAGE_DOS_HEADER *DosHeader,\r | |
976 | OUT EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr\r | |
977 | )\r | |
978 | {\r | |
979 | EFI_STATUS Status;\r | |
980 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *Volume;\r | |
981 | EFI_FILE_HANDLE Root;\r | |
982 | EFI_FILE_HANDLE ThisFile;\r | |
983 | UINTN BufferSize;\r | |
984 | UINT64 FileSize;\r | |
985 | EFI_FILE_INFO *Info;\r | |
986 | \r | |
987 | Root = NULL;\r | |
988 | ThisFile = NULL;\r | |
989 | //\r | |
990 | // Handle the file system interface to the device\r | |
991 | //\r | |
992 | Status = gBS->HandleProtocol (\r | |
993 | Device,\r | |
994 | &gEfiSimpleFileSystemProtocolGuid,\r | |
995 | (VOID *) &Volume\r | |
996 | );\r | |
997 | if (EFI_ERROR (Status)) {\r | |
998 | goto Done;\r | |
999 | }\r | |
1000 | \r | |
1001 | Status = Volume->OpenVolume (\r | |
1002 | Volume,\r | |
1003 | &Root\r | |
1004 | );\r | |
1005 | if (EFI_ERROR (Status)) {\r | |
1006 | Root = NULL;\r | |
1007 | goto Done;\r | |
1008 | }\r | |
da166a5d | 1009 | ASSERT (Root != NULL);\r |
5c08e117 | 1010 | Status = Root->Open (Root, &ThisFile, FileName, EFI_FILE_MODE_READ, 0);\r |
1011 | if (EFI_ERROR (Status)) {\r | |
1012 | goto Done;\r | |
1013 | }\r | |
da166a5d | 1014 | ASSERT (ThisFile != NULL);\r |
5c08e117 | 1015 | \r |
1016 | //\r | |
1017 | // Get file size\r | |
1018 | //\r | |
1019 | BufferSize = SIZE_OF_EFI_FILE_INFO + 200;\r | |
1020 | do {\r | |
1021 | Info = NULL;\r | |
1022 | Status = gBS->AllocatePool (EfiBootServicesData, BufferSize, (VOID **) &Info);\r | |
1023 | if (EFI_ERROR (Status)) {\r | |
1024 | goto Done;\r | |
1025 | }\r | |
1026 | Status = ThisFile->GetInfo (\r | |
1027 | ThisFile,\r | |
1028 | &gEfiFileInfoGuid,\r | |
1029 | &BufferSize,\r | |
1030 | Info\r | |
1031 | );\r | |
1032 | if (!EFI_ERROR (Status)) {\r | |
1033 | break;\r | |
1034 | }\r | |
1035 | if (Status != EFI_BUFFER_TOO_SMALL) {\r | |
1036 | FreePool (Info);\r | |
1037 | goto Done;\r | |
1038 | }\r | |
1039 | FreePool (Info);\r | |
1040 | } while (TRUE);\r | |
1041 | \r | |
1042 | FileSize = Info->FileSize;\r | |
1043 | FreePool (Info);\r | |
1044 | \r | |
1045 | //\r | |
1046 | // Read dos header\r | |
1047 | //\r | |
1048 | BufferSize = sizeof (EFI_IMAGE_DOS_HEADER);\r | |
1049 | Status = ThisFile->Read (ThisFile, &BufferSize, DosHeader);\r | |
1050 | if (EFI_ERROR (Status) ||\r | |
1051 | BufferSize < sizeof (EFI_IMAGE_DOS_HEADER) ||\r | |
1052 | FileSize <= DosHeader->e_lfanew ||\r | |
1053 | DosHeader->e_magic != EFI_IMAGE_DOS_SIGNATURE) {\r | |
1054 | Status = EFI_LOAD_ERROR;\r | |
1055 | goto Done;\r | |
1056 | }\r | |
1057 | \r | |
1058 | //\r | |
1059 | // Move to PE signature\r | |
1060 | //\r | |
1061 | Status = ThisFile->SetPosition (ThisFile, DosHeader->e_lfanew);\r | |
1062 | if (EFI_ERROR (Status)) {\r | |
1063 | Status = EFI_LOAD_ERROR;\r | |
1064 | goto Done;\r | |
1065 | }\r | |
1066 | \r | |
1067 | //\r | |
1068 | // Read and check PE signature\r | |
1069 | //\r | |
1070 | BufferSize = sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION);\r | |
1071 | Status = ThisFile->Read (ThisFile, &BufferSize, Hdr.Pe32);\r | |
1072 | if (EFI_ERROR (Status) ||\r | |
1073 | BufferSize < sizeof (EFI_IMAGE_OPTIONAL_HEADER_UNION) ||\r | |
1074 | Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
1075 | Status = EFI_LOAD_ERROR;\r | |
1076 | goto Done;\r | |
1077 | }\r | |
1078 | \r | |
1079 | //\r | |
1080 | // Check PE32 or PE32+ magic\r | |
1081 | //\r | |
1082 | if (Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC &&\r | |
1083 | Hdr.Pe32->OptionalHeader.Magic != EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC) {\r | |
1084 | Status = EFI_LOAD_ERROR;\r | |
1085 | goto Done;\r | |
1086 | }\r | |
1087 | \r | |
1088 | Done:\r | |
1089 | if (ThisFile != NULL) {\r | |
1090 | ThisFile->Close (ThisFile);\r | |
1091 | }\r | |
1092 | if (Root != NULL) {\r | |
1093 | Root->Close (Root);\r | |
1094 | }\r | |
1095 | return Status;\r | |
1096 | }\r | |
1097 | \r | |
1098 | /**\r | |
a97a8596 RN |
1099 | This routine adjusts the memory information for different memory type and \r |
1100 | saves them into the variables for next boot. It conditionally resets the\r | |
1101 | system when the memory information changes. Platform can reserve memory \r | |
1102 | large enough (125% of actual requirement) to avoid the reset in the first boot.\r | |
5c08e117 | 1103 | **/\r |
1104 | VOID\r | |
5c08e117 | 1105 | BdsSetMemoryTypeInformationVariable (\r |
7caf72a9 | 1106 | VOID\r |
5c08e117 | 1107 | )\r |
1108 | {\r | |
1109 | EFI_STATUS Status;\r | |
1110 | EFI_MEMORY_TYPE_INFORMATION *PreviousMemoryTypeInformation;\r | |
1111 | EFI_MEMORY_TYPE_INFORMATION *CurrentMemoryTypeInformation;\r | |
1112 | UINTN VariableSize;\r | |
5c08e117 | 1113 | UINTN Index;\r |
1114 | UINTN Index1;\r | |
1115 | UINT32 Previous;\r | |
1116 | UINT32 Current;\r | |
1117 | UINT32 Next;\r | |
1118 | EFI_HOB_GUID_TYPE *GuidHob;\r | |
7bee5a76 | 1119 | BOOLEAN MemoryTypeInformationModified;\r |
a4e9b4f6 | 1120 | BOOLEAN MemoryTypeInformationVariableExists;\r |
8c716296 | 1121 | EFI_BOOT_MODE BootMode;\r |
a4e9b4f6 | 1122 | \r |
7bee5a76 | 1123 | MemoryTypeInformationModified = FALSE;\r |
a4e9b4f6 | 1124 | MemoryTypeInformationVariableExists = FALSE;\r |
1125 | \r | |
8c716296 | 1126 | \r |
1127 | BootMode = GetBootModeHob ();\r | |
1128 | //\r | |
1129 | // In BOOT_IN_RECOVERY_MODE, Variable region is not reliable.\r | |
1130 | //\r | |
1131 | if (BootMode == BOOT_IN_RECOVERY_MODE) {\r | |
1132 | return;\r | |
1133 | }\r | |
1134 | \r | |
7bee5a76 | 1135 | //\r |
a97a8596 | 1136 | // Only check the the Memory Type Information variable in the boot mode \r |
7bee5a76 RN |
1137 | // other than BOOT_WITH_DEFAULT_SETTINGS because the Memory Type\r |
1138 | // Information is not valid in this boot mode.\r | |
1139 | //\r | |
8c716296 | 1140 | if (BootMode != BOOT_WITH_DEFAULT_SETTINGS) {\r |
a4e9b4f6 | 1141 | VariableSize = 0;\r |
1142 | Status = gRT->GetVariable (\r | |
1143 | EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r | |
1144 | &gEfiMemoryTypeInformationGuid,\r | |
1145 | NULL, \r | |
1146 | &VariableSize, \r | |
1147 | NULL\r | |
1148 | );\r | |
1149 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
1150 | MemoryTypeInformationVariableExists = TRUE;\r | |
a4e9b4f6 | 1151 | }\r |
1152 | }\r | |
5c08e117 | 1153 | \r |
1154 | //\r | |
1155 | // Retrieve the current memory usage statistics. If they are not found, then\r | |
1156 | // no adjustments can be made to the Memory Type Information variable.\r | |
1157 | //\r | |
1158 | Status = EfiGetSystemConfigurationTable (\r | |
1159 | &gEfiMemoryTypeInformationGuid,\r | |
1160 | (VOID **) &CurrentMemoryTypeInformation\r | |
1161 | );\r | |
1162 | if (EFI_ERROR (Status) || CurrentMemoryTypeInformation == NULL) {\r | |
1163 | return;\r | |
1164 | }\r | |
1165 | \r | |
1166 | //\r | |
1167 | // Get the Memory Type Information settings from Hob if they exist,\r | |
1168 | // PEI is responsible for getting them from variable and build a Hob to save them.\r | |
1169 | // If the previous Memory Type Information is not available, then set defaults\r | |
1170 | //\r | |
1171 | GuidHob = GetFirstGuidHob (&gEfiMemoryTypeInformationGuid);\r | |
1172 | if (GuidHob == NULL) {\r | |
1173 | //\r | |
1174 | // If Platform has not built Memory Type Info into the Hob, just return.\r | |
1175 | //\r | |
1176 | return;\r | |
1177 | }\r | |
1178 | PreviousMemoryTypeInformation = GET_GUID_HOB_DATA (GuidHob);\r | |
1179 | VariableSize = GET_GUID_HOB_DATA_SIZE (GuidHob);\r | |
1180 | \r | |
1181 | //\r | |
1182 | // Use a heuristic to adjust the Memory Type Information for the next boot\r | |
1183 | //\r | |
a4e9b4f6 | 1184 | DEBUG ((EFI_D_INFO, "Memory Previous Current Next \n"));\r |
1185 | DEBUG ((EFI_D_INFO, " Type Pages Pages Pages \n"));\r | |
1186 | DEBUG ((EFI_D_INFO, "====== ======== ======== ========\n"));\r | |
1187 | \r | |
5c08e117 | 1188 | for (Index = 0; PreviousMemoryTypeInformation[Index].Type != EfiMaxMemoryType; Index++) {\r |
1189 | \r | |
5c08e117 | 1190 | for (Index1 = 0; CurrentMemoryTypeInformation[Index1].Type != EfiMaxMemoryType; Index1++) {\r |
1191 | if (PreviousMemoryTypeInformation[Index].Type == CurrentMemoryTypeInformation[Index1].Type) {\r | |
5c08e117 | 1192 | break;\r |
1193 | }\r | |
1194 | }\r | |
5c08e117 | 1195 | if (CurrentMemoryTypeInformation[Index1].Type == EfiMaxMemoryType) {\r |
1196 | continue;\r | |
1197 | }\r | |
1198 | \r | |
a97a8596 RN |
1199 | //\r |
1200 | // Previous is the number of pages pre-allocated\r | |
1201 | // Current is the number of pages actually needed\r | |
1202 | //\r | |
5c08e117 | 1203 | Previous = PreviousMemoryTypeInformation[Index].NumberOfPages;\r |
a97a8596 RN |
1204 | Current = CurrentMemoryTypeInformation[Index1].NumberOfPages;\r |
1205 | Next = Previous;\r | |
5c08e117 | 1206 | \r |
1207 | //\r | |
1208 | // Write next varible to 125% * current and Inconsistent Memory Reserved across bootings may lead to S4 fail\r | |
1209 | //\r | |
a97a8596 RN |
1210 | if (Current < Previous) {\r |
1211 | if (BootMode == BOOT_WITH_DEFAULT_SETTINGS) {\r | |
1212 | Next = Current + (Current >> 2);\r | |
1213 | } else if (!MemoryTypeInformationVariableExists) {\r | |
1214 | Next = MAX (Current + (Current >> 2), Previous);\r | |
1215 | }\r | |
a4e9b4f6 | 1216 | } else if (Current > Previous) {\r |
5c08e117 | 1217 | Next = Current + (Current >> 2);\r |
5c08e117 | 1218 | }\r |
1219 | if (Next > 0 && Next < 4) {\r | |
1220 | Next = 4;\r | |
1221 | }\r | |
1222 | \r | |
1223 | if (Next != Previous) {\r | |
1224 | PreviousMemoryTypeInformation[Index].NumberOfPages = Next;\r | |
7bee5a76 | 1225 | MemoryTypeInformationModified = TRUE;\r |
5c08e117 | 1226 | }\r |
1227 | \r | |
a4e9b4f6 | 1228 | DEBUG ((EFI_D_INFO, " %02x %08x %08x %08x\n", PreviousMemoryTypeInformation[Index].Type, Previous, Current, Next));\r |
5c08e117 | 1229 | }\r |
1230 | \r | |
1231 | //\r | |
7bee5a76 RN |
1232 | // If any changes were made to the Memory Type Information settings, then set the new variable value;\r |
1233 | // Or create the variable in first boot.\r | |
5c08e117 | 1234 | //\r |
7bee5a76 | 1235 | if (MemoryTypeInformationModified || !MemoryTypeInformationVariableExists) {\r |
5c08e117 | 1236 | Status = gRT->SetVariable (\r |
7bee5a76 RN |
1237 | EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,\r |
1238 | &gEfiMemoryTypeInformationGuid,\r | |
1239 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
1240 | VariableSize,\r | |
1241 | PreviousMemoryTypeInformation\r | |
1242 | );\r | |
1243 | \r | |
1244 | //\r | |
1245 | // If the Memory Type Information settings have been modified, then reset the platform\r | |
1246 | // so the new Memory Type Information setting will be used to guarantee that an S4\r | |
1247 | // entry/resume cycle will not fail.\r | |
1248 | //\r | |
7caf72a9 RN |
1249 | if (MemoryTypeInformationModified && PcdGetBool (PcdResetOnMemoryTypeInformationChange)) {\r |
1250 | DEBUG ((EFI_D_INFO, "Memory Type Information settings change. Warm Reset!!!\n"));\r | |
7bee5a76 RN |
1251 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
1252 | }\r | |
5c08e117 | 1253 | }\r |
5c08e117 | 1254 | }\r |
1255 | \r | |
1256 | /**\r | |
7caf72a9 | 1257 | This routine is kept for backward compatibility.\r |
5c08e117 | 1258 | **/\r |
1259 | VOID\r | |
1260 | EFIAPI\r | |
1261 | BdsLibSaveMemoryTypeInformation (\r | |
1262 | VOID\r | |
1263 | )\r | |
1264 | {\r | |
5c08e117 | 1265 | }\r |
1266 | \r | |
1267 | \r | |
337661bb | 1268 | /**\r |
1269 | Identify a user and, if authenticated, returns the current user profile handle.\r | |
1270 | \r | |
1271 | @param[out] User Point to user profile handle.\r | |
1272 | \r | |
1273 | @retval EFI_SUCCESS User is successfully identified, or user identification\r | |
1274 | is not supported.\r | |
1275 | @retval EFI_ACCESS_DENIED User is not successfully identified\r | |
1276 | \r | |
1277 | **/\r | |
1278 | EFI_STATUS\r | |
1279 | EFIAPI\r | |
1280 | BdsLibUserIdentify (\r | |
1281 | OUT EFI_USER_PROFILE_HANDLE *User\r | |
1282 | )\r | |
1283 | {\r | |
1284 | EFI_STATUS Status;\r | |
1285 | EFI_USER_MANAGER_PROTOCOL *Manager;\r | |
1286 | \r | |
1287 | Status = gBS->LocateProtocol (\r | |
1288 | &gEfiUserManagerProtocolGuid,\r | |
1289 | NULL,\r | |
1290 | (VOID **) &Manager\r | |
1291 | );\r | |
1292 | if (EFI_ERROR (Status)) {\r | |
1293 | return EFI_SUCCESS;\r | |
1294 | }\r | |
1295 | \r | |
1296 | return Manager->Identify (Manager, User);\r | |
1297 | }\r | |
1298 | \r |