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Support RouteConfig function for BdsDxe driver.
[mirror_edk2.git] / IntelFrameworkModulePkg / Universal / BdsDxe / FrontPage.c
1 /** @file
2 FrontPage routines to handle the callbacks and browser calls
3
4 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
9
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13 **/
14
15 #include "Bds.h"
16 #include "FrontPage.h"
17 #include "Language.h"
18 #include "Hotkey.h"
19
20 BOOLEAN mModeInitialized = FALSE;
21
22 BOOLEAN gConnectAllHappened = FALSE;
23 UINTN gCallbackKey;
24 CHAR8 *mLanguageString;
25
26 //
27 // Boot video resolution and text mode.
28 //
29 UINT32 mBootHorizontalResolution = 0;
30 UINT32 mBootVerticalResolution = 0;
31 UINT32 mBootTextModeColumn = 0;
32 UINT32 mBootTextModeRow = 0;
33 //
34 // BIOS setup video resolution and text mode.
35 //
36 UINT32 mSetupTextModeColumn = 0;
37 UINT32 mSetupTextModeRow = 0;
38 UINT32 mSetupHorizontalResolution = 0;
39 UINT32 mSetupVerticalResolution = 0;
40
41 EFI_FORM_BROWSER2_PROTOCOL *gFormBrowser2;
42
43 FRONT_PAGE_CALLBACK_DATA gFrontPagePrivate = {
44 FRONT_PAGE_CALLBACK_DATA_SIGNATURE,
45 NULL,
46 NULL,
47 NULL,
48 {
49 FakeExtractConfig,
50 FakeRouteConfig,
51 FrontPageCallback
52 }
53 };
54
55 HII_VENDOR_DEVICE_PATH mFrontPageHiiVendorDevicePath = {
56 {
57 {
58 HARDWARE_DEVICE_PATH,
59 HW_VENDOR_DP,
60 {
61 (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
62 (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
63 }
64 },
65 FRONT_PAGE_FORMSET_GUID
66 },
67 {
68 END_DEVICE_PATH_TYPE,
69 END_ENTIRE_DEVICE_PATH_SUBTYPE,
70 {
71 (UINT8) (END_DEVICE_PATH_LENGTH),
72 (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
73 }
74 }
75 };
76
77 /**
78 This function allows a caller to extract the current configuration for one
79 or more named elements from the target driver.
80
81
82 @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
83 @param Request A null-terminated Unicode string in <ConfigRequest> format.
84 @param Progress On return, points to a character in the Request string.
85 Points to the string's null terminator if request was successful.
86 Points to the most recent '&' before the first failing name/value
87 pair (or the beginning of the string if the failure is in the
88 first name/value pair) if the request was not successful.
89 @param Results A null-terminated Unicode string in <ConfigAltResp> format which
90 has all values filled in for the names in the Request string.
91 String to be allocated by the called function.
92
93 @retval EFI_SUCCESS The Results is filled with the requested values.
94 @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
95 @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.
96 @retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.
97
98 **/
99 EFI_STATUS
100 EFIAPI
101 FakeExtractConfig (
102 IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
103 IN CONST EFI_STRING Request,
104 OUT EFI_STRING *Progress,
105 OUT EFI_STRING *Results
106 )
107 {
108 if (Progress == NULL || Results == NULL) {
109 return EFI_INVALID_PARAMETER;
110 }
111 *Progress = Request;
112 return EFI_NOT_FOUND;
113 }
114
115 /**
116 This function processes the results of changes in configuration.
117
118
119 @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
120 @param Configuration A null-terminated Unicode string in <ConfigResp> format.
121 @param Progress A pointer to a string filled in with the offset of the most
122 recent '&' before the first failing name/value pair (or the
123 beginning of the string if the failure is in the first
124 name/value pair) or the terminating NULL if all was successful.
125
126 @retval EFI_SUCCESS The Results is processed successfully.
127 @retval EFI_INVALID_PARAMETER Configuration is NULL.
128 @retval EFI_NOT_FOUND Routing data doesn't match any storage in this driver.
129
130 **/
131 EFI_STATUS
132 EFIAPI
133 FakeRouteConfig (
134 IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
135 IN CONST EFI_STRING Configuration,
136 OUT EFI_STRING *Progress
137 )
138 {
139 if (Configuration == NULL || Progress == NULL) {
140 return EFI_INVALID_PARAMETER;
141 }
142
143 *Progress = Configuration;
144 if (!HiiIsConfigHdrMatch (Configuration, &gBootMaintFormSetGuid, mBootMaintStorageName)
145 && !HiiIsConfigHdrMatch (Configuration, &gFileExploreFormSetGuid, mFileExplorerStorageName)) {
146 return EFI_NOT_FOUND;
147 }
148
149 *Progress = Configuration + StrLen (Configuration);
150 return EFI_SUCCESS;
151 }
152
153 /**
154 This function processes the results of changes in configuration.
155
156
157 @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
158 @param Action Specifies the type of action taken by the browser.
159 @param QuestionId A unique value which is sent to the original exporting driver
160 so that it can identify the type of data to expect.
161 @param Type The type of value for the question.
162 @param Value A pointer to the data being sent to the original exporting driver.
163 @param ActionRequest On return, points to the action requested by the callback function.
164
165 @retval EFI_SUCCESS The callback successfully handled the action.
166 @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
167 @retval EFI_DEVICE_ERROR The variable could not be saved.
168 @retval EFI_UNSUPPORTED The specified Action is not supported by the callback.
169
170 **/
171 EFI_STATUS
172 EFIAPI
173 FrontPageCallback (
174 IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
175 IN EFI_BROWSER_ACTION Action,
176 IN EFI_QUESTION_ID QuestionId,
177 IN UINT8 Type,
178 IN EFI_IFR_TYPE_VALUE *Value,
179 OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
180 )
181 {
182 CHAR8 *LangCode;
183 CHAR8 *Lang;
184 UINTN Index;
185
186 if (Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_CHANGED) {
187 //
188 // All other action return unsupported.
189 //
190 return EFI_UNSUPPORTED;
191 }
192
193 gCallbackKey = QuestionId;
194
195 if (Action == EFI_BROWSER_ACTION_CHANGED) {
196 if ((Value == NULL) || (ActionRequest == NULL)) {
197 return EFI_INVALID_PARAMETER;
198 }
199
200 switch (QuestionId) {
201 case FRONT_PAGE_KEY_CONTINUE:
202 //
203 // This is the continue - clear the screen and return an error to get out of FrontPage loop
204 //
205 *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
206 break;
207
208 case FRONT_PAGE_KEY_LANGUAGE:
209 //
210 // Allocate working buffer for RFC 4646 language in supported LanguageString.
211 //
212 Lang = AllocatePool (AsciiStrSize (mLanguageString));
213 ASSERT (Lang != NULL);
214
215 Index = 0;
216 LangCode = mLanguageString;
217 while (*LangCode != 0) {
218 GetNextLanguage (&LangCode, Lang);
219
220 if (Index == Value->u8) {
221 break;
222 }
223
224 Index++;
225 }
226
227 if (Index == Value->u8) {
228 BdsDxeSetVariableAndReportStatusCodeOnError (
229 L"PlatformLang",
230 &gEfiGlobalVariableGuid,
231 EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
232 AsciiStrSize (Lang),
233 Lang
234 );
235 } else {
236 ASSERT (FALSE);
237 }
238
239 *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;
240
241 FreePool (Lang);
242 break;
243
244 default:
245 break;
246 }
247 } else if (Action == EFI_BROWSER_ACTION_CHANGING) {
248 if (Value == NULL) {
249 return EFI_INVALID_PARAMETER;
250 }
251
252 //
253 // The first 4 entries in the Front Page are to be GUARANTEED to remain constant so IHV's can
254 // describe to their customers in documentation how to find their setup information (namely
255 // under the device manager and specific buckets)
256 //
257 switch (QuestionId) {
258 case FRONT_PAGE_KEY_BOOT_MANAGER:
259 //
260 // Boot Manager
261 //
262 break;
263
264 case FRONT_PAGE_KEY_DEVICE_MANAGER:
265 //
266 // Device Manager
267 //
268 break;
269
270 case FRONT_PAGE_KEY_BOOT_MAINTAIN:
271 //
272 // Boot Maintenance Manager
273 //
274 break;
275
276 default:
277 gCallbackKey = 0;
278 break;
279 }
280 }
281
282 return EFI_SUCCESS;
283 }
284
285 /**
286 Initialize HII information for the FrontPage
287
288
289 @param InitializeHiiData TRUE if HII elements need to be initialized.
290
291 @retval EFI_SUCCESS The operation is successful.
292 @retval EFI_DEVICE_ERROR If the dynamic opcode creation failed.
293
294 **/
295 EFI_STATUS
296 InitializeFrontPage (
297 IN BOOLEAN InitializeHiiData
298 )
299 {
300 EFI_STATUS Status;
301 CHAR8 *LangCode;
302 CHAR8 *Lang;
303 CHAR8 *CurrentLang;
304 UINTN OptionCount;
305 CHAR16 *StringBuffer;
306 EFI_HII_HANDLE HiiHandle;
307 VOID *OptionsOpCodeHandle;
308 VOID *StartOpCodeHandle;
309 VOID *EndOpCodeHandle;
310 EFI_IFR_GUID_LABEL *StartLabel;
311 EFI_IFR_GUID_LABEL *EndLabel;
312 EFI_HII_STRING_PROTOCOL *HiiString;
313 UINTN StringSize;
314
315 Lang = NULL;
316 StringBuffer = NULL;
317
318 if (InitializeHiiData) {
319 //
320 // Initialize the Device Manager
321 //
322 InitializeDeviceManager ();
323
324 //
325 // Initialize the Device Manager
326 //
327 InitializeBootManager ();
328
329 gCallbackKey = 0;
330
331 //
332 // Locate Hii relative protocols
333 //
334 Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &gFormBrowser2);
335 if (EFI_ERROR (Status)) {
336 return Status;
337 }
338
339 //
340 // Install Device Path Protocol and Config Access protocol to driver handle
341 //
342 Status = gBS->InstallMultipleProtocolInterfaces (
343 &gFrontPagePrivate.DriverHandle,
344 &gEfiDevicePathProtocolGuid,
345 &mFrontPageHiiVendorDevicePath,
346 &gEfiHiiConfigAccessProtocolGuid,
347 &gFrontPagePrivate.ConfigAccess,
348 NULL
349 );
350 ASSERT_EFI_ERROR (Status);
351
352 //
353 // Publish our HII data
354 //
355 gFrontPagePrivate.HiiHandle = HiiAddPackages (
356 &gFrontPageFormSetGuid,
357 gFrontPagePrivate.DriverHandle,
358 FrontPageVfrBin,
359 BdsDxeStrings,
360 NULL
361 );
362 if (gFrontPagePrivate.HiiHandle == NULL) {
363 return EFI_OUT_OF_RESOURCES;
364 }
365 }
366
367
368 //
369 // Init OpCode Handle and Allocate space for creation of UpdateData Buffer
370 //
371 StartOpCodeHandle = HiiAllocateOpCodeHandle ();
372 ASSERT (StartOpCodeHandle != NULL);
373
374 EndOpCodeHandle = HiiAllocateOpCodeHandle ();
375 ASSERT (EndOpCodeHandle != NULL);
376
377 OptionsOpCodeHandle = HiiAllocateOpCodeHandle ();
378 ASSERT (OptionsOpCodeHandle != NULL);
379 //
380 // Create Hii Extend Label OpCode as the start opcode
381 //
382 StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
383 StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
384 StartLabel->Number = LABEL_SELECT_LANGUAGE;
385
386 //
387 // Create Hii Extend Label OpCode as the end opcode
388 //
389 EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
390 EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
391 EndLabel->Number = LABEL_END;
392
393 //
394 // Collect the languages from what our current Language support is based on our VFR
395 //
396 HiiHandle = gFrontPagePrivate.HiiHandle;
397
398 CurrentLang = GetEfiGlobalVariable (L"PlatformLang");
399
400 //
401 // Get Support language list from variable.
402 //
403 if (mLanguageString == NULL){
404 mLanguageString = GetEfiGlobalVariable (L"PlatformLangCodes");
405 if (mLanguageString == NULL) {
406 mLanguageString = AllocateCopyPool (
407 AsciiStrSize ((CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes)),
408 (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes)
409 );
410 ASSERT (mLanguageString != NULL);
411 }
412 }
413
414 if (gFrontPagePrivate.LanguageToken == NULL) {
415 //
416 // Count the language list number.
417 //
418 LangCode = mLanguageString;
419 Lang = AllocatePool (AsciiStrSize (mLanguageString));
420 ASSERT (Lang != NULL);
421 OptionCount = 0;
422 while (*LangCode != 0) {
423 GetNextLanguage (&LangCode, Lang);
424 OptionCount ++;
425 }
426
427 //
428 // Allocate extra 1 as the end tag.
429 //
430 gFrontPagePrivate.LanguageToken = AllocateZeroPool ((OptionCount + 1) * sizeof (EFI_STRING_ID));
431 ASSERT (gFrontPagePrivate.LanguageToken != NULL);
432
433 Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &HiiString);
434 ASSERT_EFI_ERROR (Status);
435
436 LangCode = mLanguageString;
437 OptionCount = 0;
438 while (*LangCode != 0) {
439 GetNextLanguage (&LangCode, Lang);
440
441 StringSize = 0;
442 Status = HiiString->GetString (HiiString, Lang, HiiHandle, PRINTABLE_LANGUAGE_NAME_STRING_ID, StringBuffer, &StringSize, NULL);
443 if (Status == EFI_BUFFER_TOO_SMALL) {
444 StringBuffer = AllocateZeroPool (StringSize);
445 ASSERT (StringBuffer != NULL);
446 Status = HiiString->GetString (HiiString, Lang, HiiHandle, PRINTABLE_LANGUAGE_NAME_STRING_ID, StringBuffer, &StringSize, NULL);
447 ASSERT_EFI_ERROR (Status);
448 }
449
450 if (EFI_ERROR (Status)) {
451 StringBuffer = AllocatePool (AsciiStrSize (Lang) * sizeof (CHAR16));
452 ASSERT (StringBuffer != NULL);
453 AsciiStrToUnicodeStr (Lang, StringBuffer);
454 }
455
456 ASSERT (StringBuffer != NULL);
457 gFrontPagePrivate.LanguageToken[OptionCount] = HiiSetString (HiiHandle, 0, StringBuffer, NULL);
458 FreePool (StringBuffer);
459
460 OptionCount++;
461 }
462 }
463
464 ASSERT (gFrontPagePrivate.LanguageToken != NULL);
465 LangCode = mLanguageString;
466 OptionCount = 0;
467 if (Lang == NULL) {
468 Lang = AllocatePool (AsciiStrSize (mLanguageString));
469 ASSERT (Lang != NULL);
470 }
471 while (*LangCode != 0) {
472 GetNextLanguage (&LangCode, Lang);
473
474 if (CurrentLang != NULL && AsciiStrCmp (Lang, CurrentLang) == 0) {
475 HiiCreateOneOfOptionOpCode (
476 OptionsOpCodeHandle,
477 gFrontPagePrivate.LanguageToken[OptionCount],
478 EFI_IFR_OPTION_DEFAULT,
479 EFI_IFR_NUMERIC_SIZE_1,
480 (UINT8) OptionCount
481 );
482 } else {
483 HiiCreateOneOfOptionOpCode (
484 OptionsOpCodeHandle,
485 gFrontPagePrivate.LanguageToken[OptionCount],
486 0,
487 EFI_IFR_NUMERIC_SIZE_1,
488 (UINT8) OptionCount
489 );
490 }
491
492 OptionCount++;
493 }
494
495 if (CurrentLang != NULL) {
496 FreePool (CurrentLang);
497 }
498 FreePool (Lang);
499
500 HiiCreateOneOfOpCode (
501 StartOpCodeHandle,
502 FRONT_PAGE_KEY_LANGUAGE,
503 0,
504 0,
505 STRING_TOKEN (STR_LANGUAGE_SELECT),
506 STRING_TOKEN (STR_LANGUAGE_SELECT_HELP),
507 EFI_IFR_FLAG_CALLBACK,
508 EFI_IFR_NUMERIC_SIZE_1,
509 OptionsOpCodeHandle,
510 NULL
511 );
512
513 Status = HiiUpdateForm (
514 HiiHandle,
515 &gFrontPageFormSetGuid,
516 FRONT_PAGE_FORM_ID,
517 StartOpCodeHandle, // LABEL_SELECT_LANGUAGE
518 EndOpCodeHandle // LABEL_END
519 );
520
521 HiiFreeOpCodeHandle (StartOpCodeHandle);
522 HiiFreeOpCodeHandle (EndOpCodeHandle);
523 HiiFreeOpCodeHandle (OptionsOpCodeHandle);
524 return Status;
525 }
526
527 /**
528 Call the browser and display the front page
529
530 @return Status code that will be returned by
531 EFI_FORM_BROWSER2_PROTOCOL.SendForm ().
532
533 **/
534 EFI_STATUS
535 CallFrontPage (
536 VOID
537 )
538 {
539 EFI_STATUS Status;
540 EFI_BROWSER_ACTION_REQUEST ActionRequest;
541
542 //
543 // Begin waiting for USER INPUT
544 //
545 REPORT_STATUS_CODE (
546 EFI_PROGRESS_CODE,
547 (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_PC_INPUT_WAIT)
548 );
549
550 ActionRequest = EFI_BROWSER_ACTION_REQUEST_NONE;
551 Status = gFormBrowser2->SendForm (
552 gFormBrowser2,
553 &gFrontPagePrivate.HiiHandle,
554 1,
555 &gFrontPageFormSetGuid,
556 0,
557 NULL,
558 &ActionRequest
559 );
560 //
561 // Check whether user change any option setting which needs a reset to be effective
562 //
563 if (ActionRequest == EFI_BROWSER_ACTION_REQUEST_RESET) {
564 EnableResetRequired ();
565 }
566
567 return Status;
568 }
569
570 /**
571 Acquire the string associated with the ProducerGuid and return it.
572
573
574 @param ProducerGuid The Guid to search the HII database for
575 @param Token The token value of the string to extract
576 @param String The string that is extracted
577
578 @retval EFI_SUCCESS The function returns EFI_SUCCESS always.
579
580 **/
581 EFI_STATUS
582 GetProducerString (
583 IN EFI_GUID *ProducerGuid,
584 IN EFI_STRING_ID Token,
585 OUT CHAR16 **String
586 )
587 {
588 EFI_STRING TmpString;
589
590 TmpString = HiiGetPackageString (ProducerGuid, Token, NULL);
591 if (TmpString == NULL) {
592 *String = GetStringById (STRING_TOKEN (STR_MISSING_STRING));
593 } else {
594 *String = TmpString;
595 }
596
597 return EFI_SUCCESS;
598 }
599
600 /**
601 Convert Processor Frequency Data to a string.
602
603 @param ProcessorFrequency The frequency data to process
604 @param Base10Exponent The exponent based on 10
605 @param String The string that is created
606
607 **/
608 VOID
609 ConvertProcessorToString (
610 IN UINT16 ProcessorFrequency,
611 IN UINT16 Base10Exponent,
612 OUT CHAR16 **String
613 )
614 {
615 CHAR16 *StringBuffer;
616 UINTN Index;
617 UINT32 FreqMhz;
618
619 if (Base10Exponent >= 6) {
620 FreqMhz = ProcessorFrequency;
621 for (Index = 0; Index < (UINTN) (Base10Exponent - 6); Index++) {
622 FreqMhz *= 10;
623 }
624 } else {
625 FreqMhz = 0;
626 }
627
628 StringBuffer = AllocateZeroPool (0x20);
629 ASSERT (StringBuffer != NULL);
630 Index = UnicodeValueToString (StringBuffer, LEFT_JUSTIFY, FreqMhz / 1000, 3);
631 StrCat (StringBuffer, L".");
632 UnicodeValueToString (StringBuffer + Index + 1, PREFIX_ZERO, (FreqMhz % 1000) / 10, 2);
633 StrCat (StringBuffer, L" GHz");
634 *String = (CHAR16 *) StringBuffer;
635 return ;
636 }
637
638
639 /**
640 Convert Memory Size to a string.
641
642 @param MemorySize The size of the memory to process
643 @param String The string that is created
644
645 **/
646 VOID
647 ConvertMemorySizeToString (
648 IN UINT32 MemorySize,
649 OUT CHAR16 **String
650 )
651 {
652 CHAR16 *StringBuffer;
653
654 StringBuffer = AllocateZeroPool (0x20);
655 ASSERT (StringBuffer != NULL);
656 UnicodeValueToString (StringBuffer, LEFT_JUSTIFY, MemorySize, 6);
657 StrCat (StringBuffer, L" MB RAM");
658
659 *String = (CHAR16 *) StringBuffer;
660
661 return ;
662 }
663
664 /**
665
666 Acquire the string associated with the Index from smbios structure and return it.
667 The caller is responsible for free the string buffer.
668
669 @param OptionalStrStart The start position to search the string
670 @param Index The index of the string to extract
671 @param String The string that is extracted
672
673 @retval EFI_SUCCESS The function returns EFI_SUCCESS always.
674
675 **/
676 EFI_STATUS
677 GetOptionalStringByIndex (
678 IN CHAR8 *OptionalStrStart,
679 IN UINT8 Index,
680 OUT CHAR16 **String
681 )
682 {
683 UINTN StrSize;
684
685 if (Index == 0) {
686 *String = AllocateZeroPool (sizeof (CHAR16));
687 return EFI_SUCCESS;
688 }
689
690 StrSize = 0;
691 do {
692 Index--;
693 OptionalStrStart += StrSize;
694 StrSize = AsciiStrSize (OptionalStrStart);
695 } while (OptionalStrStart[StrSize] != 0 && Index != 0);
696
697 if ((Index != 0) || (StrSize == 1)) {
698 //
699 // Meet the end of strings set but Index is non-zero, or
700 // Find an empty string
701 //
702 *String = GetStringById (STRING_TOKEN (STR_MISSING_STRING));
703 } else {
704 *String = AllocatePool (StrSize * sizeof (CHAR16));
705 AsciiStrToUnicodeStr (OptionalStrStart, *String);
706 }
707
708 return EFI_SUCCESS;
709 }
710
711
712 /**
713 Update the banner information for the Front Page based on DataHub information.
714
715 **/
716 VOID
717 UpdateFrontPageStrings (
718 VOID
719 )
720 {
721 UINT8 StrIndex;
722 CHAR16 *NewString;
723 BOOLEAN Find[5];
724 EFI_STATUS Status;
725 EFI_STRING_ID TokenToUpdate;
726 EFI_SMBIOS_HANDLE SmbiosHandle;
727 EFI_SMBIOS_PROTOCOL *Smbios;
728 SMBIOS_TABLE_TYPE0 *Type0Record;
729 SMBIOS_TABLE_TYPE1 *Type1Record;
730 SMBIOS_TABLE_TYPE4 *Type4Record;
731 SMBIOS_TABLE_TYPE19 *Type19Record;
732 EFI_SMBIOS_TABLE_HEADER *Record;
733
734 ZeroMem (Find, sizeof (Find));
735
736 //
737 // Update Front Page strings
738 //
739 Status = gBS->LocateProtocol (
740 &gEfiSmbiosProtocolGuid,
741 NULL,
742 (VOID **) &Smbios
743 );
744 ASSERT_EFI_ERROR (Status);
745
746 SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;
747 do {
748 Status = Smbios->GetNext (Smbios, &SmbiosHandle, NULL, &Record, NULL);
749 if (EFI_ERROR(Status)) {
750 break;
751 }
752
753 if (Record->Type == EFI_SMBIOS_TYPE_BIOS_INFORMATION) {
754 Type0Record = (SMBIOS_TABLE_TYPE0 *) Record;
755 StrIndex = Type0Record->BiosVersion;
756 GetOptionalStringByIndex ((CHAR8*)((UINT8*)Type0Record + Type0Record->Hdr.Length), StrIndex, &NewString);
757 TokenToUpdate = STRING_TOKEN (STR_FRONT_PAGE_BIOS_VERSION);
758 HiiSetString (gFrontPagePrivate.HiiHandle, TokenToUpdate, NewString, NULL);
759 FreePool (NewString);
760 Find[0] = TRUE;
761 }
762
763 if (Record->Type == EFI_SMBIOS_TYPE_SYSTEM_INFORMATION) {
764 Type1Record = (SMBIOS_TABLE_TYPE1 *) Record;
765 StrIndex = Type1Record->ProductName;
766 GetOptionalStringByIndex ((CHAR8*)((UINT8*)Type1Record + Type1Record->Hdr.Length), StrIndex, &NewString);
767 TokenToUpdate = STRING_TOKEN (STR_FRONT_PAGE_COMPUTER_MODEL);
768 HiiSetString (gFrontPagePrivate.HiiHandle, TokenToUpdate, NewString, NULL);
769 FreePool (NewString);
770 Find[1] = TRUE;
771 }
772
773 if (Record->Type == EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION) {
774 Type4Record = (SMBIOS_TABLE_TYPE4 *) Record;
775 StrIndex = Type4Record->ProcessorVersion;
776 GetOptionalStringByIndex ((CHAR8*)((UINT8*)Type4Record + Type4Record->Hdr.Length), StrIndex, &NewString);
777 TokenToUpdate = STRING_TOKEN (STR_FRONT_PAGE_CPU_MODEL);
778 HiiSetString (gFrontPagePrivate.HiiHandle, TokenToUpdate, NewString, NULL);
779 FreePool (NewString);
780 Find[2] = TRUE;
781 }
782
783 if (Record->Type == EFI_SMBIOS_TYPE_PROCESSOR_INFORMATION) {
784 Type4Record = (SMBIOS_TABLE_TYPE4 *) Record;
785 ConvertProcessorToString(Type4Record->CurrentSpeed, 6, &NewString);
786 TokenToUpdate = STRING_TOKEN (STR_FRONT_PAGE_CPU_SPEED);
787 HiiSetString (gFrontPagePrivate.HiiHandle, TokenToUpdate, NewString, NULL);
788 FreePool (NewString);
789 Find[3] = TRUE;
790 }
791
792 if ( Record->Type == EFI_SMBIOS_TYPE_MEMORY_ARRAY_MAPPED_ADDRESS ) {
793 Type19Record = (SMBIOS_TABLE_TYPE19 *) Record;
794 ConvertMemorySizeToString (
795 (UINT32)(RShiftU64((Type19Record->EndingAddress - Type19Record->StartingAddress + 1), 10)),
796 &NewString
797 );
798 TokenToUpdate = STRING_TOKEN (STR_FRONT_PAGE_MEMORY_SIZE);
799 HiiSetString (gFrontPagePrivate.HiiHandle, TokenToUpdate, NewString, NULL);
800 FreePool (NewString);
801 Find[4] = TRUE;
802 }
803 } while ( !(Find[0] && Find[1] && Find[2] && Find[3] && Find[4]));
804 return ;
805 }
806
807
808 /**
809 Function waits for a given event to fire, or for an optional timeout to expire.
810
811 @param Event The event to wait for
812 @param Timeout An optional timeout value in 100 ns units.
813
814 @retval EFI_SUCCESS Event fired before Timeout expired.
815 @retval EFI_TIME_OUT Timout expired before Event fired..
816
817 **/
818 EFI_STATUS
819 WaitForSingleEvent (
820 IN EFI_EVENT Event,
821 IN UINT64 Timeout OPTIONAL
822 )
823 {
824 UINTN Index;
825 EFI_STATUS Status;
826 EFI_EVENT TimerEvent;
827 EFI_EVENT WaitList[2];
828
829 if (Timeout != 0) {
830 //
831 // Create a timer event
832 //
833 Status = gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &TimerEvent);
834 if (!EFI_ERROR (Status)) {
835 //
836 // Set the timer event
837 //
838 gBS->SetTimer (
839 TimerEvent,
840 TimerRelative,
841 Timeout
842 );
843
844 //
845 // Wait for the original event or the timer
846 //
847 WaitList[0] = Event;
848 WaitList[1] = TimerEvent;
849 Status = gBS->WaitForEvent (2, WaitList, &Index);
850 gBS->CloseEvent (TimerEvent);
851
852 //
853 // If the timer expired, change the return to timed out
854 //
855 if (!EFI_ERROR (Status) && Index == 1) {
856 Status = EFI_TIMEOUT;
857 }
858 }
859 } else {
860 //
861 // No timeout... just wait on the event
862 //
863 Status = gBS->WaitForEvent (1, &Event, &Index);
864 ASSERT (!EFI_ERROR (Status));
865 ASSERT (Index == 0);
866 }
867
868 return Status;
869 }
870
871 /**
872 Function show progress bar to wait for user input.
873
874
875 @param TimeoutDefault The fault time out value before the system continue to boot.
876
877 @retval EFI_SUCCESS User pressed some key except "Enter"
878 @retval EFI_TIME_OUT Timeout expired or user press "Enter"
879
880 **/
881 EFI_STATUS
882 ShowProgress (
883 IN UINT16 TimeoutDefault
884 )
885 {
886 CHAR16 *TmpStr;
887 UINT16 TimeoutRemain;
888 EFI_STATUS Status;
889 EFI_INPUT_KEY Key;
890 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
891 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
892 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Color;
893
894 if (TimeoutDefault == 0) {
895 return EFI_TIMEOUT;
896 }
897
898 DEBUG ((EFI_D_INFO, "\n\nStart showing progress bar... Press any key to stop it! ...Zzz....\n"));
899
900 SetMem (&Foreground, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);
901 SetMem (&Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);
902 SetMem (&Color, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);
903
904 TmpStr = GetStringById (STRING_TOKEN (STR_START_BOOT_OPTION));
905
906 if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
907 //
908 // Clear the progress status bar first
909 //
910 if (TmpStr != NULL) {
911 PlatformBdsShowProgress (Foreground, Background, TmpStr, Color, 0, 0);
912 }
913 }
914
915
916 TimeoutRemain = TimeoutDefault;
917 while (TimeoutRemain != 0) {
918 DEBUG ((EFI_D_INFO, "Showing progress bar...Remaining %d second!\n", TimeoutRemain));
919
920 Status = WaitForSingleEvent (gST->ConIn->WaitForKey, ONE_SECOND);
921 if (Status != EFI_TIMEOUT) {
922 break;
923 }
924 TimeoutRemain--;
925
926 if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {
927 //
928 // Show progress
929 //
930 if (TmpStr != NULL) {
931 PlatformBdsShowProgress (
932 Foreground,
933 Background,
934 TmpStr,
935 Color,
936 ((TimeoutDefault - TimeoutRemain) * 100 / TimeoutDefault),
937 0
938 );
939 }
940 }
941 }
942
943 if (TmpStr != NULL) {
944 gBS->FreePool (TmpStr);
945 }
946
947 //
948 // Timeout expired
949 //
950 if (TimeoutRemain == 0) {
951 return EFI_TIMEOUT;
952 }
953
954 //
955 // User pressed some key
956 //
957 if (!PcdGetBool (PcdConInConnectOnDemand)) {
958 Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
959 if (EFI_ERROR (Status)) {
960 return Status;
961 }
962
963 if (Key.UnicodeChar == CHAR_CARRIAGE_RETURN) {
964 //
965 // User pressed enter, equivalent to select "continue"
966 //
967 return EFI_TIMEOUT;
968 }
969 }
970
971 return EFI_SUCCESS;
972 }
973
974 /**
975 This function is the main entry of the platform setup entry.
976 The function will present the main menu of the system setup,
977 this is the platform reference part and can be customize.
978
979
980 @param TimeoutDefault The fault time out value before the system
981 continue to boot.
982 @param ConnectAllHappened The indicater to check if the connect all have
983 already happened.
984
985 **/
986 VOID
987 PlatformBdsEnterFrontPage (
988 IN UINT16 TimeoutDefault,
989 IN BOOLEAN ConnectAllHappened
990 )
991 {
992 EFI_STATUS Status;
993 EFI_STATUS StatusHotkey;
994 EFI_BOOT_LOGO_PROTOCOL *BootLogo;
995 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
996 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;
997 UINTN BootTextColumn;
998 UINTN BootTextRow;
999 UINT64 OsIndication;
1000 UINTN DataSize;
1001 EFI_INPUT_KEY Key;
1002
1003 GraphicsOutput = NULL;
1004 SimpleTextOut = NULL;
1005
1006 PERF_START (NULL, "BdsTimeOut", "BDS", 0);
1007 //
1008 // Indicate if we need connect all in the platform setup
1009 //
1010 if (ConnectAllHappened) {
1011 gConnectAllHappened = TRUE;
1012 }
1013
1014 if (!mModeInitialized) {
1015 //
1016 // After the console is ready, get current video resolution
1017 // and text mode before launching setup at first time.
1018 //
1019 Status = gBS->HandleProtocol (
1020 gST->ConsoleOutHandle,
1021 &gEfiGraphicsOutputProtocolGuid,
1022 (VOID**)&GraphicsOutput
1023 );
1024 if (EFI_ERROR (Status)) {
1025 GraphicsOutput = NULL;
1026 }
1027
1028 Status = gBS->HandleProtocol (
1029 gST->ConsoleOutHandle,
1030 &gEfiSimpleTextOutProtocolGuid,
1031 (VOID**)&SimpleTextOut
1032 );
1033 if (EFI_ERROR (Status)) {
1034 SimpleTextOut = NULL;
1035 }
1036
1037 if (GraphicsOutput != NULL) {
1038 //
1039 // Get current video resolution and text mode.
1040 //
1041 mBootHorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;
1042 mBootVerticalResolution = GraphicsOutput->Mode->Info->VerticalResolution;
1043 }
1044
1045 if (SimpleTextOut != NULL) {
1046 Status = SimpleTextOut->QueryMode (
1047 SimpleTextOut,
1048 SimpleTextOut->Mode->Mode,
1049 &BootTextColumn,
1050 &BootTextRow
1051 );
1052 mBootTextModeColumn = (UINT32)BootTextColumn;
1053 mBootTextModeRow = (UINT32)BootTextRow;
1054 }
1055
1056 //
1057 // Get user defined text mode for setup.
1058 //
1059 mSetupHorizontalResolution = PcdGet32 (PcdSetupVideoHorizontalResolution);
1060 mSetupVerticalResolution = PcdGet32 (PcdSetupVideoVerticalResolution);
1061 mSetupTextModeColumn = PcdGet32 (PcdSetupConOutColumn);
1062 mSetupTextModeRow = PcdGet32 (PcdSetupConOutRow);
1063
1064 mModeInitialized = TRUE;
1065 }
1066
1067
1068 //
1069 // goto FrontPage directly when EFI_OS_INDICATIONS_BOOT_TO_FW_UI is set
1070 //
1071 OsIndication = 0;
1072 DataSize = sizeof(UINT64);
1073 Status = gRT->GetVariable (
1074 L"OsIndications",
1075 &gEfiGlobalVariableGuid,
1076 NULL,
1077 &DataSize,
1078 &OsIndication
1079 );
1080
1081 //
1082 // goto FrontPage directly when EFI_OS_INDICATIONS_BOOT_TO_FW_UI is set. Skip HotkeyBoot
1083 //
1084 if (!EFI_ERROR(Status) && ((OsIndication & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0)) {
1085 //
1086 // Clear EFI_OS_INDICATIONS_BOOT_TO_FW_UI to acknowledge OS
1087 //
1088 OsIndication &= ~EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
1089 Status = gRT->SetVariable (
1090 L"OsIndications",
1091 &gEfiGlobalVariableGuid,
1092 EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
1093 sizeof(UINT64),
1094 &OsIndication
1095 );
1096 //
1097 // Changing the content without increasing its size with current variable implementation shouldn't fail.
1098 //
1099 ASSERT_EFI_ERROR (Status);
1100
1101 //
1102 // Follow generic rule, Call ReadKeyStroke to connect ConIn before enter UI
1103 //
1104 if (PcdGetBool (PcdConInConnectOnDemand)) {
1105 gST->ConIn->ReadKeyStroke(gST->ConIn, &Key);
1106 }
1107
1108 //
1109 // Ensure screen is clear when switch Console from Graphics mode to Text mode
1110 //
1111 gST->ConOut->EnableCursor (gST->ConOut, TRUE);
1112 gST->ConOut->ClearScreen (gST->ConOut);
1113
1114 } else {
1115
1116 HotkeyBoot ();
1117 if (TimeoutDefault != 0xffff) {
1118 Status = ShowProgress (TimeoutDefault);
1119 StatusHotkey = HotkeyBoot ();
1120
1121 if (!FeaturePcdGet(PcdBootlogoOnlyEnable) || !EFI_ERROR(Status) || !EFI_ERROR(StatusHotkey)){
1122 //
1123 // Ensure screen is clear when switch Console from Graphics mode to Text mode
1124 // Skip it in normal boot
1125 //
1126 gST->ConOut->EnableCursor (gST->ConOut, TRUE);
1127 gST->ConOut->ClearScreen (gST->ConOut);
1128 }
1129
1130 if (EFI_ERROR (Status)) {
1131 //
1132 // Timeout or user press enter to continue
1133 //
1134 goto Exit;
1135 }
1136 }
1137 }
1138
1139 //
1140 // Boot Logo is corrupted, report it using Boot Logo protocol.
1141 //
1142 Status = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);
1143 if (!EFI_ERROR (Status) && (BootLogo != NULL)) {
1144 BootLogo->SetBootLogo (BootLogo, NULL, 0, 0, 0, 0);
1145 }
1146
1147 //
1148 // Install BM HiiPackages.
1149 // Keep BootMaint HiiPackage, so that it can be covered by global setting.
1150 //
1151 InitBMPackage ();
1152
1153 Status = EFI_SUCCESS;
1154 do {
1155 //
1156 // Set proper video resolution and text mode for setup
1157 //
1158 BdsSetConsoleMode (TRUE);
1159
1160 InitializeFrontPage (FALSE);
1161
1162 //
1163 // Update Front Page strings
1164 //
1165 UpdateFrontPageStrings ();
1166
1167 gCallbackKey = 0;
1168 CallFrontPage ();
1169
1170 //
1171 // If gCallbackKey is greater than 1 and less or equal to 5,
1172 // it will launch configuration utilities.
1173 // 2 = set language
1174 // 3 = boot manager
1175 // 4 = device manager
1176 // 5 = boot maintenance manager
1177 //
1178 if (gCallbackKey != 0) {
1179 REPORT_STATUS_CODE (
1180 EFI_PROGRESS_CODE,
1181 (EFI_SOFTWARE_DXE_BS_DRIVER | EFI_SW_PC_USER_SETUP)
1182 );
1183 }
1184 //
1185 // Based on the key that was set, we can determine what to do
1186 //
1187 switch (gCallbackKey) {
1188 //
1189 // The first 4 entries in the Front Page are to be GUARANTEED to remain constant so IHV's can
1190 // describe to their customers in documentation how to find their setup information (namely
1191 // under the device manager and specific buckets)
1192 //
1193 // These entries consist of the Continue, Select language, Boot Manager, and Device Manager
1194 //
1195 case FRONT_PAGE_KEY_CONTINUE:
1196 //
1197 // User hit continue
1198 //
1199 break;
1200
1201 case FRONT_PAGE_KEY_LANGUAGE:
1202 //
1203 // User made a language setting change - display front page again
1204 //
1205 break;
1206
1207 case FRONT_PAGE_KEY_BOOT_MANAGER:
1208 //
1209 // Remove the installed BootMaint HiiPackages when exit.
1210 //
1211 FreeBMPackage ();
1212
1213 //
1214 // User chose to run the Boot Manager
1215 //
1216 CallBootManager ();
1217
1218 //
1219 // Reinstall BootMaint HiiPackages after exiting from Boot Manager.
1220 //
1221 InitBMPackage ();
1222 break;
1223
1224 case FRONT_PAGE_KEY_DEVICE_MANAGER:
1225 //
1226 // Display the Device Manager
1227 //
1228 do {
1229 CallDeviceManager ();
1230 } while (gCallbackKey == FRONT_PAGE_KEY_DEVICE_MANAGER);
1231 break;
1232
1233 case FRONT_PAGE_KEY_BOOT_MAINTAIN:
1234 //
1235 // Display the Boot Maintenance Manager
1236 //
1237 BdsStartBootMaint ();
1238 break;
1239 }
1240
1241 } while ((Status == EFI_SUCCESS) && (gCallbackKey != FRONT_PAGE_KEY_CONTINUE));
1242
1243 if (mLanguageString != NULL) {
1244 FreePool (mLanguageString);
1245 mLanguageString = NULL;
1246 }
1247 //
1248 //Will leave browser, check any reset required change is applied? if yes, reset system
1249 //
1250 SetupResetReminder ();
1251
1252 //
1253 // Remove the installed BootMaint HiiPackages when exit.
1254 //
1255 FreeBMPackage ();
1256
1257 Exit:
1258 //
1259 // Automatically load current entry
1260 // Note: The following lines of code only execute when Auto boot
1261 // takes affect
1262 //
1263 PERF_END (NULL, "BdsTimeOut", "BDS", 0);
1264 }
1265
1266 /**
1267 This function will change video resolution and text mode
1268 according to defined setup mode or defined boot mode
1269
1270 @param IsSetupMode Indicate mode is changed to setup mode or boot mode.
1271
1272 @retval EFI_SUCCESS Mode is changed successfully.
1273 @retval Others Mode failed to be changed.
1274
1275 **/
1276 EFI_STATUS
1277 EFIAPI
1278 BdsSetConsoleMode (
1279 BOOLEAN IsSetupMode
1280 )
1281 {
1282 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
1283 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;
1284 UINTN SizeOfInfo;
1285 EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
1286 UINT32 MaxGopMode;
1287 UINT32 MaxTextMode;
1288 UINT32 ModeNumber;
1289 UINT32 NewHorizontalResolution;
1290 UINT32 NewVerticalResolution;
1291 UINT32 NewColumns;
1292 UINT32 NewRows;
1293 UINTN HandleCount;
1294 EFI_HANDLE *HandleBuffer;
1295 EFI_STATUS Status;
1296 UINTN Index;
1297 UINTN CurrentColumn;
1298 UINTN CurrentRow;
1299
1300 MaxGopMode = 0;
1301 MaxTextMode = 0;
1302
1303 //
1304 // Get current video resolution and text mode
1305 //
1306 Status = gBS->HandleProtocol (
1307 gST->ConsoleOutHandle,
1308 &gEfiGraphicsOutputProtocolGuid,
1309 (VOID**)&GraphicsOutput
1310 );
1311 if (EFI_ERROR (Status)) {
1312 GraphicsOutput = NULL;
1313 }
1314
1315 Status = gBS->HandleProtocol (
1316 gST->ConsoleOutHandle,
1317 &gEfiSimpleTextOutProtocolGuid,
1318 (VOID**)&SimpleTextOut
1319 );
1320 if (EFI_ERROR (Status)) {
1321 SimpleTextOut = NULL;
1322 }
1323
1324 if ((GraphicsOutput == NULL) || (SimpleTextOut == NULL)) {
1325 return EFI_UNSUPPORTED;
1326 }
1327
1328 if (IsSetupMode) {
1329 //
1330 // The requried resolution and text mode is setup mode.
1331 //
1332 NewHorizontalResolution = mSetupHorizontalResolution;
1333 NewVerticalResolution = mSetupVerticalResolution;
1334 NewColumns = mSetupTextModeColumn;
1335 NewRows = mSetupTextModeRow;
1336 } else {
1337 //
1338 // The required resolution and text mode is boot mode.
1339 //
1340 NewHorizontalResolution = mBootHorizontalResolution;
1341 NewVerticalResolution = mBootVerticalResolution;
1342 NewColumns = mBootTextModeColumn;
1343 NewRows = mBootTextModeRow;
1344 }
1345
1346 if (GraphicsOutput != NULL) {
1347 MaxGopMode = GraphicsOutput->Mode->MaxMode;
1348 }
1349
1350 if (SimpleTextOut != NULL) {
1351 MaxTextMode = SimpleTextOut->Mode->MaxMode;
1352 }
1353
1354 //
1355 // 1. If current video resolution is same with required video resolution,
1356 // video resolution need not be changed.
1357 // 1.1. If current text mode is same with required text mode, text mode need not be changed.
1358 // 1.2. If current text mode is different from required text mode, text mode need be changed.
1359 // 2. If current video resolution is different from required video resolution, we need restart whole console drivers.
1360 //
1361 for (ModeNumber = 0; ModeNumber < MaxGopMode; ModeNumber++) {
1362 Status = GraphicsOutput->QueryMode (
1363 GraphicsOutput,
1364 ModeNumber,
1365 &SizeOfInfo,
1366 &Info
1367 );
1368 if (!EFI_ERROR (Status)) {
1369 if ((Info->HorizontalResolution == NewHorizontalResolution) &&
1370 (Info->VerticalResolution == NewVerticalResolution)) {
1371 if ((GraphicsOutput->Mode->Info->HorizontalResolution == NewHorizontalResolution) &&
1372 (GraphicsOutput->Mode->Info->VerticalResolution == NewVerticalResolution)) {
1373 //
1374 // Current resolution is same with required resolution, check if text mode need be set
1375 //
1376 Status = SimpleTextOut->QueryMode (SimpleTextOut, SimpleTextOut->Mode->Mode, &CurrentColumn, &CurrentRow);
1377 ASSERT_EFI_ERROR (Status);
1378 if (CurrentColumn == NewColumns && CurrentRow == NewRows) {
1379 //
1380 // If current text mode is same with required text mode. Do nothing
1381 //
1382 FreePool (Info);
1383 return EFI_SUCCESS;
1384 } else {
1385 //
1386 // If current text mode is different from requried text mode. Set new video mode
1387 //
1388 for (Index = 0; Index < MaxTextMode; Index++) {
1389 Status = SimpleTextOut->QueryMode (SimpleTextOut, Index, &CurrentColumn, &CurrentRow);
1390 if (!EFI_ERROR(Status)) {
1391 if ((CurrentColumn == NewColumns) && (CurrentRow == NewRows)) {
1392 //
1393 // Required text mode is supported, set it.
1394 //
1395 Status = SimpleTextOut->SetMode (SimpleTextOut, Index);
1396 ASSERT_EFI_ERROR (Status);
1397 //
1398 // Update text mode PCD.
1399 //
1400 PcdSet32 (PcdConOutColumn, mSetupTextModeColumn);
1401 PcdSet32 (PcdConOutRow, mSetupTextModeRow);
1402 FreePool (Info);
1403 return EFI_SUCCESS;
1404 }
1405 }
1406 }
1407 if (Index == MaxTextMode) {
1408 //
1409 // If requried text mode is not supported, return error.
1410 //
1411 FreePool (Info);
1412 return EFI_UNSUPPORTED;
1413 }
1414 }
1415 } else {
1416 //
1417 // If current video resolution is not same with the new one, set new video resolution.
1418 // In this case, the driver which produces simple text out need be restarted.
1419 //
1420 Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);
1421 if (!EFI_ERROR (Status)) {
1422 FreePool (Info);
1423 break;
1424 }
1425 }
1426 }
1427 FreePool (Info);
1428 }
1429 }
1430
1431 if (ModeNumber == MaxGopMode) {
1432 //
1433 // If the resolution is not supported, return error.
1434 //
1435 return EFI_UNSUPPORTED;
1436 }
1437
1438 //
1439 // Set PCD to Inform GraphicsConsole to change video resolution.
1440 // Set PCD to Inform Consplitter to change text mode.
1441 //
1442 PcdSet32 (PcdVideoHorizontalResolution, NewHorizontalResolution);
1443 PcdSet32 (PcdVideoVerticalResolution, NewVerticalResolution);
1444 PcdSet32 (PcdConOutColumn, NewColumns);
1445 PcdSet32 (PcdConOutRow, NewRows);
1446
1447
1448 //
1449 // Video mode is changed, so restart graphics console driver and higher level driver.
1450 // Reconnect graphics console driver and higher level driver.
1451 // Locate all the handles with GOP protocol and reconnect it.
1452 //
1453 Status = gBS->LocateHandleBuffer (
1454 ByProtocol,
1455 &gEfiSimpleTextOutProtocolGuid,
1456 NULL,
1457 &HandleCount,
1458 &HandleBuffer
1459 );
1460 if (!EFI_ERROR (Status)) {
1461 for (Index = 0; Index < HandleCount; Index++) {
1462 gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
1463 }
1464 for (Index = 0; Index < HandleCount; Index++) {
1465 gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
1466 }
1467 if (HandleBuffer != NULL) {
1468 FreePool (HandleBuffer);
1469 }
1470 }
1471
1472 return EFI_SUCCESS;
1473 }
1474