/** @file\r
FrontPage routines to handle the callbacks and browser calls\r
\r
-Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
#include "Language.h"\r
#include "Hotkey.h"\r
\r
-EFI_GUID mFrontPageGuid = FRONT_PAGE_FORMSET_GUID;\r
+BOOLEAN mModeInitialized = FALSE;\r
\r
BOOLEAN gConnectAllHappened = FALSE;\r
UINTN gCallbackKey;\r
\r
+//\r
+// Boot video resolution and text mode.\r
+//\r
+UINT32 mBootHorizontalResolution = 0;\r
+UINT32 mBootVerticalResolution = 0;\r
+UINT32 mBootTextModeColumn = 0;\r
+UINT32 mBootTextModeRow = 0;\r
+//\r
+// BIOS setup video resolution and text mode.\r
+//\r
+UINT32 mSetupTextModeColumn = 0;\r
+UINT32 mSetupTextModeRow = 0;\r
+UINT32 mSetupHorizontalResolution = 0;\r
+UINT32 mSetupVerticalResolution = 0;\r
+\r
EFI_FORM_BROWSER2_PROTOCOL *gFormBrowser2;\r
\r
FRONT_PAGE_CALLBACK_DATA gFrontPagePrivate = {\r
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r
}\r
},\r
- //\r
- // {8E6D99EE-7531-48f8-8745-7F6144468FF2}\r
- //\r
- { 0x8e6d99ee, 0x7531, 0x48f8, { 0x87, 0x45, 0x7f, 0x61, 0x44, 0x46, 0x8f, 0xf2 } }\r
+ FRONT_PAGE_FORMSET_GUID\r
},\r
{\r
END_DEVICE_PATH_TYPE,\r
}\r
\r
*Progress = Configuration;\r
- if (!HiiIsConfigHdrMatch (Configuration, &mBootMaintGuid, mBootMaintStorageName)\r
- && !HiiIsConfigHdrMatch (Configuration, &mFileExplorerGuid, mFileExplorerStorageName)) {\r
+ if (!HiiIsConfigHdrMatch (Configuration, &gBootMaintFormSetGuid, mBootMaintStorageName)\r
+ && !HiiIsConfigHdrMatch (Configuration, &gFileExploreFormSetGuid, mFileExplorerStorageName)) {\r
return EFI_NOT_FOUND;\r
}\r
\r
CHAR8 *PlatformSupportedLanguages;\r
CHAR8 *BestLanguage;\r
\r
- if ((Action == EFI_BROWSER_ACTION_FORM_OPEN) || (Action == EFI_BROWSER_ACTION_FORM_CLOSE)) {\r
+ if (Action != EFI_BROWSER_ACTION_CHANGING && Action != EFI_BROWSER_ACTION_CHANGED) {\r
//\r
- // Do nothing for UEFI OPEN/CLOSE Action\r
+ // All other action return unsupported.\r
//\r
- return EFI_SUCCESS;\r
+ return EFI_UNSUPPORTED;\r
}\r
+ \r
+ gCallbackKey = QuestionId;\r
\r
- if ((Value == NULL) || (ActionRequest == NULL)) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
+ if (Action == EFI_BROWSER_ACTION_CHANGED) {\r
+ if ((Value == NULL) || (ActionRequest == NULL)) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
\r
- gCallbackKey = QuestionId;\r
+ switch (QuestionId) {\r
+ case FRONT_PAGE_KEY_CONTINUE:\r
+ //\r
+ // This is the continue - clear the screen and return an error to get out of FrontPage loop\r
+ //\r
+ *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
+ break;\r
\r
- //\r
- // The first 4 entries in the Front Page are to be GUARANTEED to remain constant so IHV's can\r
- // describe to their customers in documentation how to find their setup information (namely\r
- // under the device manager and specific buckets)\r
- //\r
- switch (QuestionId) {\r
- case FRONT_PAGE_KEY_CONTINUE:\r
- //\r
- // This is the continue - clear the screen and return an error to get out of FrontPage loop\r
- //\r
- break;\r
+ case FRONT_PAGE_KEY_LANGUAGE:\r
+ //\r
+ // Collect the languages from what our current Language support is based on our VFR\r
+ //\r
+ LanguageString = HiiGetSupportedLanguages (gFrontPagePrivate.HiiHandle);\r
+ ASSERT (LanguageString != NULL);\r
+ //\r
+ // Allocate working buffer for RFC 4646 language in supported LanguageString.\r
+ //\r
+ Lang = AllocatePool (AsciiStrSize (LanguageString));\r
+ ASSERT (Lang != NULL);\r
\r
- case FRONT_PAGE_KEY_LANGUAGE:\r
- //\r
- // Collect the languages from what our current Language support is based on our VFR\r
- //\r
- LanguageString = HiiGetSupportedLanguages (gFrontPagePrivate.HiiHandle);\r
- ASSERT (LanguageString != NULL);\r
- //\r
- // Allocate working buffer for RFC 4646 language in supported LanguageString.\r
- //\r
- Lang = AllocatePool (AsciiStrSize (LanguageString));\r
- ASSERT (Lang != NULL);\r
+ Index = 0;\r
+ LangCode = LanguageString;\r
+ while (*LangCode != 0) {\r
+ GetNextLanguage (&LangCode, Lang);\r
\r
- Index = 0;\r
- LangCode = LanguageString;\r
- while (*LangCode != 0) {\r
- GetNextLanguage (&LangCode, Lang);\r
+ if (Index == Value->u8) {\r
+ break;\r
+ }\r
\r
- if (Index == Value->u8) {\r
- break;\r
+ Index++;\r
}\r
\r
- Index++;\r
- }\r
+ GetEfiGlobalVariable2 (L"PlatformLangCodes", (VOID**)&PlatformSupportedLanguages, NULL);\r
+ if (PlatformSupportedLanguages == NULL) {\r
+ PlatformSupportedLanguages = AllocateCopyPool (\r
+ AsciiStrSize ((CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes)),\r
+ (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes)\r
+ );\r
+ ASSERT (PlatformSupportedLanguages != NULL);\r
+ }\r
\r
- PlatformSupportedLanguages = GetEfiGlobalVariable (L"PlatformLangCodes");\r
- if (PlatformSupportedLanguages == NULL) {\r
- PlatformSupportedLanguages = AllocateCopyPool (\r
- AsciiStrSize ((CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes)),\r
- (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLangCodes)\r
- );\r
- ASSERT (PlatformSupportedLanguages != NULL);\r
- }\r
+ //\r
+ // Select the best language in platform supported Language.\r
+ //\r
+ BestLanguage = GetBestLanguage (\r
+ PlatformSupportedLanguages,\r
+ FALSE,\r
+ Lang,\r
+ NULL\r
+ );\r
+ if (BestLanguage != NULL) {\r
+ Status = gRT->SetVariable (\r
+ L"PlatformLang",\r
+ &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ AsciiStrSize (BestLanguage),\r
+ Lang\r
+ );\r
+ ASSERT_EFI_ERROR(Status);\r
+ FreePool (BestLanguage);\r
+ } else {\r
+ ASSERT (FALSE);\r
+ }\r
\r
- //\r
- // Select the best language in platform supported Language.\r
- //\r
- BestLanguage = GetBestLanguage (\r
- PlatformSupportedLanguages,\r
- FALSE,\r
- Lang,\r
- NULL\r
- );\r
- if (BestLanguage != NULL) {\r
- Status = gRT->SetVariable (\r
- L"PlatformLang",\r
- &gEfiGlobalVariableGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
- AsciiStrSize (BestLanguage),\r
- Lang\r
- );\r
- ASSERT_EFI_ERROR(Status);\r
- FreePool (BestLanguage);\r
- } else {\r
- ASSERT (FALSE);\r
- }\r
+ *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
\r
- FreePool (PlatformSupportedLanguages);\r
- FreePool (Lang);\r
- FreePool (LanguageString);\r
- break;\r
+ FreePool (PlatformSupportedLanguages);\r
+ FreePool (Lang);\r
+ FreePool (LanguageString);\r
+ break;\r
\r
- case FRONT_PAGE_KEY_BOOT_MANAGER:\r
- //\r
- // Boot Manager\r
- //\r
- break;\r
+ default:\r
+ break;\r
+ }\r
+ } else if (Action == EFI_BROWSER_ACTION_CHANGING) {\r
+ if (Value == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
\r
- case FRONT_PAGE_KEY_DEVICE_MANAGER:\r
//\r
- // Device Manager\r
+ // The first 4 entries in the Front Page are to be GUARANTEED to remain constant so IHV's can\r
+ // describe to their customers in documentation how to find their setup information (namely\r
+ // under the device manager and specific buckets)\r
//\r
- break;\r
+ switch (QuestionId) {\r
+ case FRONT_PAGE_KEY_BOOT_MANAGER:\r
+ //\r
+ // Boot Manager\r
+ //\r
+ break;\r
\r
- case FRONT_PAGE_KEY_BOOT_MAINTAIN:\r
- //\r
- // Boot Maintenance Manager\r
- //\r
- break;\r
+ case FRONT_PAGE_KEY_DEVICE_MANAGER:\r
+ //\r
+ // Device Manager\r
+ //\r
+ break;\r
\r
- default:\r
- gCallbackKey = 0;\r
- break;\r
- }\r
+ case FRONT_PAGE_KEY_BOOT_MAINTAIN:\r
+ //\r
+ // Boot Maintenance Manager\r
+ //\r
+ break;\r
\r
- *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r
+ default:\r
+ gCallbackKey = 0;\r
+ break;\r
+ }\r
+ }\r
\r
- return EFI_SUCCESS;\r
+ return EFI_SUCCESS; \r
}\r
\r
/**\r
// Publish our HII data\r
//\r
gFrontPagePrivate.HiiHandle = HiiAddPackages (\r
- &mFrontPageGuid,\r
+ &gFrontPageFormSetGuid,\r
gFrontPagePrivate.DriverHandle,\r
FrontPageVfrBin,\r
BdsDxeStrings,\r
Lang = AllocatePool (AsciiStrSize (LanguageString));\r
ASSERT (Lang != NULL);\r
\r
- CurrentLang = GetEfiGlobalVariable (L"PlatformLang");\r
+ GetEfiGlobalVariable2 (L"PlatformLang", (VOID**)&CurrentLang, NULL);\r
//\r
// Select the best language in LanguageString as the default one.\r
//\r
\r
Status = HiiUpdateForm (\r
HiiHandle,\r
- &mFrontPageGuid,\r
+ &gFrontPageFormSetGuid,\r
FRONT_PAGE_FORM_ID,\r
StartOpCodeHandle, // LABEL_SELECT_LANGUAGE\r
EndOpCodeHandle // LABEL_END\r
gFormBrowser2,\r
&gFrontPagePrivate.HiiHandle,\r
1,\r
- &mFrontPageGuid,\r
+ &gFrontPageFormSetGuid,\r
0,\r
NULL,\r
&ActionRequest\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
- SmbiosHandle = 0;\r
+ SmbiosHandle = SMBIOS_HANDLE_PI_RESERVED;\r
do {\r
Status = Smbios->GetNext (Smbios, &SmbiosHandle, NULL, &Record, NULL);\r
if (EFI_ERROR(Status)) {\r
if (TimeoutDefault == 0) {\r
return EFI_TIMEOUT;\r
}\r
-\r
+ \r
DEBUG ((EFI_D_INFO, "\n\nStart showing progress bar... Press any key to stop it! ...Zzz....\n"));\r
\r
SetMem (&Foreground, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);\r
SetMem (&Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0x0);\r
SetMem (&Color, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL), 0xff);\r
-\r
- //\r
- // Clear the progress status bar first\r
- //\r
+ \r
TmpStr = GetStringById (STRING_TOKEN (STR_START_BOOT_OPTION));\r
- if (TmpStr != NULL) {\r
- PlatformBdsShowProgress (Foreground, Background, TmpStr, Color, 0, 0);\r
+\r
+ if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {\r
+ //\r
+ // Clear the progress status bar first\r
+ //\r
+ if (TmpStr != NULL) {\r
+ PlatformBdsShowProgress (Foreground, Background, TmpStr, Color, 0, 0);\r
+ }\r
}\r
+ \r
\r
TimeoutRemain = TimeoutDefault;\r
while (TimeoutRemain != 0) {\r
break;\r
}\r
TimeoutRemain--;\r
-\r
- //\r
- // Show progress\r
- //\r
- if (TmpStr != NULL) {\r
- PlatformBdsShowProgress (\r
- Foreground,\r
- Background,\r
- TmpStr,\r
- Color,\r
- ((TimeoutDefault - TimeoutRemain) * 100 / TimeoutDefault),\r
- 0\r
- );\r
+ \r
+ if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) {\r
+ //\r
+ // Show progress\r
+ //\r
+ if (TmpStr != NULL) {\r
+ PlatformBdsShowProgress (\r
+ Foreground,\r
+ Background,\r
+ TmpStr,\r
+ Color,\r
+ ((TimeoutDefault - TimeoutRemain) * 100 / TimeoutDefault),\r
+ 0\r
+ );\r
+ }\r
}\r
}\r
- gBS->FreePool (TmpStr);\r
+ \r
+ if (TmpStr != NULL) {\r
+ gBS->FreePool (TmpStr);\r
+ }\r
\r
//\r
// Timeout expired\r
IN BOOLEAN ConnectAllHappened\r
)\r
{\r
- EFI_STATUS Status;\r
+ EFI_STATUS Status;\r
+ EFI_STATUS StatusHotkey; \r
+ EFI_BOOT_LOGO_PROTOCOL *BootLogo;\r
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;\r
+ UINTN BootTextColumn;\r
+ UINTN BootTextRow;\r
+ \r
+ GraphicsOutput = NULL;\r
+ SimpleTextOut = NULL;\r
\r
PERF_START (NULL, "BdsTimeOut", "BDS", 0);\r
//\r
if (ConnectAllHappened) {\r
gConnectAllHappened = TRUE;\r
}\r
+ \r
+ if (!mModeInitialized) {\r
+ //\r
+ // After the console is ready, get current video resolution \r
+ // and text mode before launching setup at first time.\r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ gST->ConsoleOutHandle,\r
+ &gEfiGraphicsOutputProtocolGuid,\r
+ (VOID**)&GraphicsOutput\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ GraphicsOutput = NULL;\r
+ }\r
+ \r
+ Status = gBS->HandleProtocol (\r
+ gST->ConsoleOutHandle,\r
+ &gEfiSimpleTextOutProtocolGuid,\r
+ (VOID**)&SimpleTextOut\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ SimpleTextOut = NULL;\r
+ } \r
+\r
+ if (GraphicsOutput != NULL) {\r
+ //\r
+ // Get current video resolution and text mode.\r
+ //\r
+ mBootHorizontalResolution = GraphicsOutput->Mode->Info->HorizontalResolution;\r
+ mBootVerticalResolution = GraphicsOutput->Mode->Info->VerticalResolution;\r
+ }\r
+\r
+ if (SimpleTextOut != NULL) {\r
+ Status = SimpleTextOut->QueryMode (\r
+ SimpleTextOut,\r
+ SimpleTextOut->Mode->Mode,\r
+ &BootTextColumn,\r
+ &BootTextRow\r
+ );\r
+ mBootTextModeColumn = (UINT32)BootTextColumn;\r
+ mBootTextModeRow = (UINT32)BootTextRow;\r
+ }\r
+\r
+ //\r
+ // Get user defined text mode for setup.\r
+ // \r
+ mSetupHorizontalResolution = PcdGet32 (PcdSetupVideoHorizontalResolution);\r
+ mSetupVerticalResolution = PcdGet32 (PcdSetupVideoVerticalResolution); \r
+ mSetupTextModeColumn = PcdGet32 (PcdSetupConOutColumn);\r
+ mSetupTextModeRow = PcdGet32 (PcdSetupConOutRow);\r
+\r
+ mModeInitialized = TRUE;\r
+ }\r
+\r
+ \r
\r
HotkeyBoot ();\r
if (TimeoutDefault != 0xffff) {\r
Status = ShowProgress (TimeoutDefault);\r
- HotkeyBoot ();\r
+ StatusHotkey = HotkeyBoot ();\r
\r
- //\r
- // Ensure screen is clear when switch Console from Graphics mode to Text mode\r
- //\r
- gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
- gST->ConOut->ClearScreen (gST->ConOut);\r
+ if (!FeaturePcdGet(PcdBootlogoOnlyEnable) || !EFI_ERROR(StatusHotkey)){\r
+ //\r
+ // Ensure screen is clear when switch Console from Graphics mode to Text mode\r
+ // Skip it in normal boot \r
+ //\r
+ gST->ConOut->EnableCursor (gST->ConOut, TRUE);\r
+ gST->ConOut->ClearScreen (gST->ConOut);\r
+ }\r
\r
if (EFI_ERROR (Status)) {\r
//\r
}\r
}\r
\r
- do {\r
+ //\r
+ // Boot Logo is corrupted, report it using Boot Logo protocol.\r
+ //\r
+ Status = gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo);\r
+ if (!EFI_ERROR (Status) && (BootLogo != NULL)) {\r
+ BootLogo->SetBootLogo (BootLogo, NULL, 0, 0, 0, 0);\r
+ }\r
\r
+ Status = EFI_SUCCESS;\r
+ do {\r
+ //\r
+ // Set proper video resolution and text mode for setup\r
+ //\r
+ BdsSetConsoleMode (TRUE);\r
+ \r
InitializeFrontPage (FALSE);\r
\r
//\r
UpdateFrontPageStrings ();\r
\r
gCallbackKey = 0;\r
- Status = CallFrontPage ();\r
+ CallFrontPage ();\r
\r
//\r
// If gCallbackKey is greater than 1 and less or equal to 5,\r
//\r
PERF_END (NULL, "BdsTimeOut", "BDS", 0);\r
}\r
+\r
+/**\r
+ This function will change video resolution and text mode\r
+ according to defined setup mode or defined boot mode \r
+\r
+ @param IsSetupMode Indicate mode is changed to setup mode or boot mode. \r
+\r
+ @retval EFI_SUCCESS Mode is changed successfully.\r
+ @retval Others Mode failed to be changed.\r
+\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+BdsSetConsoleMode (\r
+ BOOLEAN IsSetupMode\r
+ )\r
+{\r
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOut;\r
+ UINTN SizeOfInfo;\r
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
+ UINT32 MaxGopMode;\r
+ UINT32 MaxTextMode;\r
+ UINT32 ModeNumber;\r
+ UINT32 NewHorizontalResolution;\r
+ UINT32 NewVerticalResolution;\r
+ UINT32 NewColumns;\r
+ UINT32 NewRows;\r
+ UINTN HandleCount;\r
+ EFI_HANDLE *HandleBuffer;\r
+ EFI_STATUS Status;\r
+ UINTN Index;\r
+ UINTN CurrentColumn;\r
+ UINTN CurrentRow; \r
+\r
+ MaxGopMode = 0;\r
+ MaxTextMode = 0;\r
+\r
+ //\r
+ // Get current video resolution and text mode \r
+ //\r
+ Status = gBS->HandleProtocol (\r
+ gST->ConsoleOutHandle,\r
+ &gEfiGraphicsOutputProtocolGuid,\r
+ (VOID**)&GraphicsOutput\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ GraphicsOutput = NULL;\r
+ }\r
+\r
+ Status = gBS->HandleProtocol (\r
+ gST->ConsoleOutHandle,\r
+ &gEfiSimpleTextOutProtocolGuid,\r
+ (VOID**)&SimpleTextOut\r
+ );\r
+ if (EFI_ERROR (Status)) {\r
+ SimpleTextOut = NULL;\r
+ } \r
+\r
+ if ((GraphicsOutput == NULL) || (SimpleTextOut == NULL)) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ if (IsSetupMode) {\r
+ //\r
+ // The requried resolution and text mode is setup mode.\r
+ //\r
+ NewHorizontalResolution = mSetupHorizontalResolution;\r
+ NewVerticalResolution = mSetupVerticalResolution;\r
+ NewColumns = mSetupTextModeColumn;\r
+ NewRows = mSetupTextModeRow;\r
+ } else {\r
+ //\r
+ // The required resolution and text mode is boot mode.\r
+ //\r
+ NewHorizontalResolution = mBootHorizontalResolution;\r
+ NewVerticalResolution = mBootVerticalResolution;\r
+ NewColumns = mBootTextModeColumn;\r
+ NewRows = mBootTextModeRow; \r
+ }\r
+ \r
+ if (GraphicsOutput != NULL) {\r
+ MaxGopMode = GraphicsOutput->Mode->MaxMode;\r
+ } \r
+\r
+ if (SimpleTextOut != NULL) {\r
+ MaxTextMode = SimpleTextOut->Mode->MaxMode;\r
+ }\r
+\r
+ //\r
+ // 1. If current video resolution is same with required video resolution,\r
+ // video resolution need not be changed.\r
+ // 1.1. If current text mode is same with required text mode, text mode need not be changed.\r
+ // 1.2. If current text mode is different from required text mode, text mode need be changed.\r
+ // 2. If current video resolution is different from required video resolution, we need restart whole console drivers.\r
+ //\r
+ for (ModeNumber = 0; ModeNumber < MaxGopMode; ModeNumber++) {\r
+ Status = GraphicsOutput->QueryMode (\r
+ GraphicsOutput,\r
+ ModeNumber,\r
+ &SizeOfInfo,\r
+ &Info\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ if ((Info->HorizontalResolution == NewHorizontalResolution) &&\r
+ (Info->VerticalResolution == NewVerticalResolution)) {\r
+ if ((GraphicsOutput->Mode->Info->HorizontalResolution == NewHorizontalResolution) &&\r
+ (GraphicsOutput->Mode->Info->VerticalResolution == NewVerticalResolution)) {\r
+ //\r
+ // Current resolution is same with required resolution, check if text mode need be set\r
+ //\r
+ Status = SimpleTextOut->QueryMode (SimpleTextOut, SimpleTextOut->Mode->Mode, &CurrentColumn, &CurrentRow);\r
+ ASSERT_EFI_ERROR (Status);\r
+ if (CurrentColumn == NewColumns && CurrentRow == NewRows) {\r
+ //\r
+ // If current text mode is same with required text mode. Do nothing\r
+ //\r
+ FreePool (Info);\r
+ return EFI_SUCCESS;\r
+ } else {\r
+ //\r
+ // If current text mode is different from requried text mode. Set new video mode\r
+ //\r
+ for (Index = 0; Index < MaxTextMode; Index++) {\r
+ Status = SimpleTextOut->QueryMode (SimpleTextOut, Index, &CurrentColumn, &CurrentRow);\r
+ if (!EFI_ERROR(Status)) {\r
+ if ((CurrentColumn == NewColumns) && (CurrentRow == NewRows)) {\r
+ //\r
+ // Required text mode is supported, set it.\r
+ //\r
+ Status = SimpleTextOut->SetMode (SimpleTextOut, Index);\r
+ ASSERT_EFI_ERROR (Status);\r
+ //\r
+ // Update text mode PCD.\r
+ //\r
+ PcdSet32 (PcdConOutColumn, mSetupTextModeColumn);\r
+ PcdSet32 (PcdConOutRow, mSetupTextModeRow);\r
+ FreePool (Info);\r
+ return EFI_SUCCESS;\r
+ }\r
+ }\r
+ }\r
+ if (Index == MaxTextMode) {\r
+ //\r
+ // If requried text mode is not supported, return error.\r
+ //\r
+ FreePool (Info);\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+ }\r
+ } else {\r
+ //\r
+ // If current video resolution is not same with the new one, set new video resolution.\r
+ // In this case, the driver which produces simple text out need be restarted.\r
+ //\r
+ Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);\r
+ if (!EFI_ERROR (Status)) {\r
+ FreePool (Info);\r
+ break;\r
+ }\r
+ }\r
+ }\r
+ FreePool (Info);\r
+ }\r
+ }\r
+\r
+ if (ModeNumber == MaxGopMode) {\r
+ //\r
+ // If the resolution is not supported, return error.\r
+ //\r
+ return EFI_UNSUPPORTED;\r
+ }\r
+\r
+ //\r
+ // Set PCD to Inform GraphicsConsole to change video resolution.\r
+ // Set PCD to Inform Consplitter to change text mode.\r
+ //\r
+ PcdSet32 (PcdVideoHorizontalResolution, NewHorizontalResolution);\r
+ PcdSet32 (PcdVideoVerticalResolution, NewVerticalResolution);\r
+ PcdSet32 (PcdConOutColumn, NewColumns);\r
+ PcdSet32 (PcdConOutRow, NewRows);\r
+ \r
+ \r
+ //\r
+ // Video mode is changed, so restart graphics console driver and higher level driver.\r
+ // Reconnect graphics console driver and higher level driver.\r
+ // Locate all the handles with GOP protocol and reconnect it.\r
+ //\r
+ Status = gBS->LocateHandleBuffer (\r
+ ByProtocol,\r
+ &gEfiSimpleTextOutProtocolGuid,\r
+ NULL,\r
+ &HandleCount,\r
+ &HandleBuffer\r
+ );\r
+ if (!EFI_ERROR (Status)) {\r
+ for (Index = 0; Index < HandleCount; Index++) {\r
+ gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);\r
+ }\r
+ for (Index = 0; Index < HandleCount; Index++) {\r
+ gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);\r
+ }\r
+ if (HandleBuffer != NULL) {\r
+ FreePool (HandleBuffer);\r
+ }\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r