| /** @file | |
| Platform BDS function for quiet boot support. | |
| Copyright (C) 2016, Red Hat, Inc. | |
| Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR> | |
| This program and the accompanying materials | |
| are licensed and made available under the terms and conditions of the BSD License | |
| which accompanies this distribution. The full text of the license may be found at | |
| http://opensource.org/licenses/bsd-license.php | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| **/ | |
| #include <IndustryStandard/Bmp.h> | |
| #include <Library/DxeServicesLib.h> | |
| #include <Protocol/BootLogo.h> | |
| #include <Protocol/OEMBadging.h> | |
| #include <Protocol/UgaDraw.h> | |
| #include "PlatformBm.h" | |
| /** | |
| Convert a *.BMP graphics image to a GOP blt buffer. If a NULL Blt buffer | |
| is passed in a GopBlt buffer will be allocated by this routine. If a GopBlt | |
| buffer is passed in it will be used if it is big enough. | |
| @param BmpImage Pointer to BMP file | |
| @param BmpImageSize Number of bytes in BmpImage | |
| @param GopBlt Buffer containing GOP version of BmpImage. | |
| @param GopBltSize Size of GopBlt in bytes. | |
| @param PixelHeight Height of GopBlt/BmpImage in pixels | |
| @param PixelWidth Width of GopBlt/BmpImage in pixels | |
| @retval EFI_SUCCESS GopBlt and GopBltSize are returned. | |
| @retval EFI_UNSUPPORTED BmpImage is not a valid *.BMP image | |
| @retval EFI_BUFFER_TOO_SMALL The passed in GopBlt buffer is not big enough. | |
| GopBltSize will contain the required size. | |
| @retval EFI_OUT_OF_RESOURCES No enough buffer to allocate. | |
| **/ | |
| STATIC | |
| EFI_STATUS | |
| ConvertBmpToGopBlt ( | |
| IN VOID *BmpImage, | |
| IN UINTN BmpImageSize, | |
| IN OUT VOID **GopBlt, | |
| IN OUT UINTN *GopBltSize, | |
| OUT UINTN *PixelHeight, | |
| OUT UINTN *PixelWidth | |
| ) | |
| { | |
| UINT8 *Image; | |
| UINT8 *ImageHeader; | |
| BMP_IMAGE_HEADER *BmpHeader; | |
| BMP_COLOR_MAP *BmpColorMap; | |
| EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer; | |
| EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt; | |
| UINT64 BltBufferSize; | |
| UINTN Index; | |
| UINTN Height; | |
| UINTN Width; | |
| UINTN ImageIndex; | |
| UINT32 DataSizePerLine; | |
| BOOLEAN IsAllocated; | |
| UINT32 ColorMapNum; | |
| if (sizeof (BMP_IMAGE_HEADER) > BmpImageSize) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| BmpHeader = (BMP_IMAGE_HEADER *) BmpImage; | |
| if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') { | |
| return EFI_UNSUPPORTED; | |
| } | |
| // | |
| // Doesn't support compress. | |
| // | |
| if (BmpHeader->CompressionType != 0) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| // | |
| // Only support BITMAPINFOHEADER format. | |
| // BITMAPFILEHEADER + BITMAPINFOHEADER = BMP_IMAGE_HEADER | |
| // | |
| if (BmpHeader->HeaderSize != sizeof (BMP_IMAGE_HEADER) - OFFSET_OF(BMP_IMAGE_HEADER, HeaderSize)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| // | |
| // The data size in each line must be 4 byte alignment. | |
| // | |
| DataSizePerLine = ((BmpHeader->PixelWidth * BmpHeader->BitPerPixel + 31) >> 3) & (~0x3); | |
| BltBufferSize = MultU64x32 (DataSizePerLine, BmpHeader->PixelHeight); | |
| if (BltBufferSize > (UINT32) ~0) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| if ((BmpHeader->Size != BmpImageSize) || | |
| (BmpHeader->Size < BmpHeader->ImageOffset) || | |
| (BmpHeader->Size - BmpHeader->ImageOffset != BmpHeader->PixelHeight * DataSizePerLine)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| // | |
| // Calculate Color Map offset in the image. | |
| // | |
| Image = BmpImage; | |
| BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER)); | |
| if (BmpHeader->ImageOffset < sizeof (BMP_IMAGE_HEADER)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| if (BmpHeader->ImageOffset > sizeof (BMP_IMAGE_HEADER)) { | |
| switch (BmpHeader->BitPerPixel) { | |
| case 1: | |
| ColorMapNum = 2; | |
| break; | |
| case 4: | |
| ColorMapNum = 16; | |
| break; | |
| case 8: | |
| ColorMapNum = 256; | |
| break; | |
| default: | |
| ColorMapNum = 0; | |
| break; | |
| } | |
| // | |
| // BMP file may has padding data between the bmp header section and the bmp data section. | |
| // | |
| if (BmpHeader->ImageOffset - sizeof (BMP_IMAGE_HEADER) < sizeof (BMP_COLOR_MAP) * ColorMapNum) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| } | |
| // | |
| // Calculate graphics image data address in the image | |
| // | |
| Image = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset; | |
| ImageHeader = Image; | |
| // | |
| // Calculate the BltBuffer needed size. | |
| // | |
| BltBufferSize = MultU64x32 ((UINT64) BmpHeader->PixelWidth, BmpHeader->PixelHeight); | |
| // | |
| // Ensure the BltBufferSize * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) doesn't overflow | |
| // | |
| if (BltBufferSize > DivU64x32 ((UINTN) ~0, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| BltBufferSize = MultU64x32 (BltBufferSize, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
| IsAllocated = FALSE; | |
| if (*GopBlt == NULL) { | |
| // | |
| // GopBlt is not allocated by caller. | |
| // | |
| *GopBltSize = (UINTN) BltBufferSize; | |
| *GopBlt = AllocatePool (*GopBltSize); | |
| IsAllocated = TRUE; | |
| if (*GopBlt == NULL) { | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| } else { | |
| // | |
| // GopBlt has been allocated by caller. | |
| // | |
| if (*GopBltSize < (UINTN) BltBufferSize) { | |
| *GopBltSize = (UINTN) BltBufferSize; | |
| return EFI_BUFFER_TOO_SMALL; | |
| } | |
| } | |
| *PixelWidth = BmpHeader->PixelWidth; | |
| *PixelHeight = BmpHeader->PixelHeight; | |
| // | |
| // Convert image from BMP to Blt buffer format | |
| // | |
| BltBuffer = *GopBlt; | |
| for (Height = 0; Height < BmpHeader->PixelHeight; Height++) { | |
| Blt = &BltBuffer[(BmpHeader->PixelHeight - Height - 1) * BmpHeader->PixelWidth]; | |
| for (Width = 0; Width < BmpHeader->PixelWidth; Width++, Image++, Blt++) { | |
| switch (BmpHeader->BitPerPixel) { | |
| case 1: | |
| // | |
| // Convert 1-bit (2 colors) BMP to 24-bit color | |
| // | |
| for (Index = 0; Index < 8 && Width < BmpHeader->PixelWidth; Index++) { | |
| Blt->Red = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Red; | |
| Blt->Green = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Green; | |
| Blt->Blue = BmpColorMap[((*Image) >> (7 - Index)) & 0x1].Blue; | |
| Blt++; | |
| Width++; | |
| } | |
| Blt--; | |
| Width--; | |
| break; | |
| case 4: | |
| // | |
| // Convert 4-bit (16 colors) BMP Palette to 24-bit color | |
| // | |
| Index = (*Image) >> 4; | |
| Blt->Red = BmpColorMap[Index].Red; | |
| Blt->Green = BmpColorMap[Index].Green; | |
| Blt->Blue = BmpColorMap[Index].Blue; | |
| if (Width < (BmpHeader->PixelWidth - 1)) { | |
| Blt++; | |
| Width++; | |
| Index = (*Image) & 0x0f; | |
| Blt->Red = BmpColorMap[Index].Red; | |
| Blt->Green = BmpColorMap[Index].Green; | |
| Blt->Blue = BmpColorMap[Index].Blue; | |
| } | |
| break; | |
| case 8: | |
| // | |
| // Convert 8-bit (256 colors) BMP Palette to 24-bit color | |
| // | |
| Blt->Red = BmpColorMap[*Image].Red; | |
| Blt->Green = BmpColorMap[*Image].Green; | |
| Blt->Blue = BmpColorMap[*Image].Blue; | |
| break; | |
| case 24: | |
| // | |
| // It is 24-bit BMP. | |
| // | |
| Blt->Blue = *Image++; | |
| Blt->Green = *Image++; | |
| Blt->Red = *Image; | |
| break; | |
| default: | |
| // | |
| // Other bit format BMP is not supported. | |
| // | |
| if (IsAllocated) { | |
| FreePool (*GopBlt); | |
| *GopBlt = NULL; | |
| } | |
| return EFI_UNSUPPORTED; | |
| }; | |
| } | |
| ImageIndex = (UINTN) (Image - ImageHeader); | |
| if ((ImageIndex % 4) != 0) { | |
| // | |
| // Bmp Image starts each row on a 32-bit boundary! | |
| // | |
| Image = Image + (4 - (ImageIndex % 4)); | |
| } | |
| } | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| Use SystemTable Conout to stop video based Simple Text Out consoles from going | |
| to the video device. Put up LogoFile on every video device that is a console. | |
| @param[in] LogoFile File name of logo to display on the center of the screen. | |
| @retval EFI_SUCCESS ConsoleControl has been flipped to graphics and logo displayed. | |
| @retval EFI_UNSUPPORTED Logo not found | |
| **/ | |
| EFI_STATUS | |
| EnableQuietBoot ( | |
| IN EFI_GUID *LogoFile | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_OEM_BADGING_PROTOCOL *Badging; | |
| UINT32 SizeOfX; | |
| UINT32 SizeOfY; | |
| INTN DestX; | |
| INTN DestY; | |
| UINT8 *ImageData; | |
| UINTN ImageSize; | |
| UINTN BltSize; | |
| UINT32 Instance; | |
| EFI_BADGING_FORMAT Format; | |
| EFI_BADGING_DISPLAY_ATTRIBUTE Attribute; | |
| UINTN CoordinateX; | |
| UINTN CoordinateY; | |
| UINTN Height; | |
| UINTN Width; | |
| EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt; | |
| EFI_UGA_DRAW_PROTOCOL *UgaDraw; | |
| UINT32 ColorDepth; | |
| UINT32 RefreshRate; | |
| EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput; | |
| EFI_BOOT_LOGO_PROTOCOL *BootLogo; | |
| UINTN NumberOfLogos; | |
| EFI_GRAPHICS_OUTPUT_BLT_PIXEL *LogoBlt; | |
| UINTN LogoDestX; | |
| UINTN LogoDestY; | |
| UINTN LogoHeight; | |
| UINTN LogoWidth; | |
| UINTN NewDestX; | |
| UINTN NewDestY; | |
| UINTN NewHeight; | |
| UINTN NewWidth; | |
| UINT64 BufferSize; | |
| UgaDraw = NULL; | |
| // | |
| // Try to open GOP first | |
| // | |
| Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiGraphicsOutputProtocolGuid, (VOID **) &GraphicsOutput); | |
| if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) { | |
| GraphicsOutput = NULL; | |
| // | |
| // Open GOP failed, try to open UGA | |
| // | |
| Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw); | |
| } | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| // | |
| // Try to open Boot Logo Protocol. | |
| // | |
| BootLogo = NULL; | |
| gBS->LocateProtocol (&gEfiBootLogoProtocolGuid, NULL, (VOID **) &BootLogo); | |
| // | |
| // Erase Cursor from screen | |
| // | |
| gST->ConOut->EnableCursor (gST->ConOut, FALSE); | |
| Badging = NULL; | |
| Status = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID **) &Badging); | |
| if (GraphicsOutput != NULL) { | |
| SizeOfX = GraphicsOutput->Mode->Info->HorizontalResolution; | |
| SizeOfY = GraphicsOutput->Mode->Info->VerticalResolution; | |
| } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) { | |
| Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| } else { | |
| return EFI_UNSUPPORTED; | |
| } | |
| Blt = NULL; | |
| NumberOfLogos = 0; | |
| LogoDestX = 0; | |
| LogoDestY = 0; | |
| LogoHeight = 0; | |
| LogoWidth = 0; | |
| NewDestX = 0; | |
| NewDestY = 0; | |
| NewHeight = 0; | |
| NewWidth = 0; | |
| Instance = 0; | |
| Height = 0; | |
| Width = 0; | |
| while (1) { | |
| ImageData = NULL; | |
| ImageSize = 0; | |
| if (Badging != NULL) { | |
| // | |
| // Get image from OEMBadging protocol. | |
| // | |
| Status = Badging->GetImage ( | |
| Badging, | |
| &Instance, | |
| &Format, | |
| &ImageData, | |
| &ImageSize, | |
| &Attribute, | |
| &CoordinateX, | |
| &CoordinateY | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| goto Done; | |
| } | |
| // | |
| // Currently only support BMP format. | |
| // | |
| if (Format != EfiBadgingFormatBMP) { | |
| if (ImageData != NULL) { | |
| FreePool (ImageData); | |
| } | |
| continue; | |
| } | |
| } else { | |
| // | |
| // Get the specified image from FV. | |
| // | |
| Status = GetSectionFromAnyFv (LogoFile, EFI_SECTION_RAW, 0, (VOID **) &ImageData, &ImageSize); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| CoordinateX = 0; | |
| CoordinateY = 0; | |
| if (!FeaturePcdGet(PcdBootlogoOnlyEnable)) { | |
| Attribute = EfiBadgingDisplayAttributeCenter; | |
| } else { | |
| Attribute = EfiBadgingDisplayAttributeCustomized; | |
| } | |
| } | |
| if (Blt != NULL) { | |
| FreePool (Blt); | |
| } | |
| Blt = NULL; | |
| Status = ConvertBmpToGopBlt ( | |
| ImageData, | |
| ImageSize, | |
| (VOID **) &Blt, | |
| &BltSize, | |
| &Height, | |
| &Width | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| FreePool (ImageData); | |
| if (Badging == NULL) { | |
| return Status; | |
| } else { | |
| continue; | |
| } | |
| } | |
| // | |
| // Calculate the display position according to Attribute. | |
| // | |
| switch (Attribute) { | |
| case EfiBadgingDisplayAttributeLeftTop: | |
| DestX = CoordinateX; | |
| DestY = CoordinateY; | |
| break; | |
| case EfiBadgingDisplayAttributeCenterTop: | |
| DestX = (SizeOfX - Width) / 2; | |
| DestY = CoordinateY; | |
| break; | |
| case EfiBadgingDisplayAttributeRightTop: | |
| DestX = (SizeOfX - Width - CoordinateX); | |
| DestY = CoordinateY;; | |
| break; | |
| case EfiBadgingDisplayAttributeCenterRight: | |
| DestX = (SizeOfX - Width - CoordinateX); | |
| DestY = (SizeOfY - Height) / 2; | |
| break; | |
| case EfiBadgingDisplayAttributeRightBottom: | |
| DestX = (SizeOfX - Width - CoordinateX); | |
| DestY = (SizeOfY - Height - CoordinateY); | |
| break; | |
| case EfiBadgingDisplayAttributeCenterBottom: | |
| DestX = (SizeOfX - Width) / 2; | |
| DestY = (SizeOfY - Height - CoordinateY); | |
| break; | |
| case EfiBadgingDisplayAttributeLeftBottom: | |
| DestX = CoordinateX; | |
| DestY = (SizeOfY - Height - CoordinateY); | |
| break; | |
| case EfiBadgingDisplayAttributeCenterLeft: | |
| DestX = CoordinateX; | |
| DestY = (SizeOfY - Height) / 2; | |
| break; | |
| case EfiBadgingDisplayAttributeCenter: | |
| DestX = (SizeOfX - Width) / 2; | |
| DestY = (SizeOfY - Height) / 2; | |
| break; | |
| case EfiBadgingDisplayAttributeCustomized: | |
| DestX = (SizeOfX - Width) / 2; | |
| DestY = ((SizeOfY * 382) / 1000) - Height / 2; | |
| break; | |
| default: | |
| DestX = CoordinateX; | |
| DestY = CoordinateY; | |
| break; | |
| } | |
| if ((DestX >= 0) && (DestY >= 0)) { | |
| if (GraphicsOutput != NULL) { | |
| Status = GraphicsOutput->Blt ( | |
| GraphicsOutput, | |
| Blt, | |
| EfiBltBufferToVideo, | |
| 0, | |
| 0, | |
| (UINTN) DestX, | |
| (UINTN) DestY, | |
| Width, | |
| Height, | |
| Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) | |
| ); | |
| } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) { | |
| Status = UgaDraw->Blt ( | |
| UgaDraw, | |
| (EFI_UGA_PIXEL *) Blt, | |
| EfiUgaBltBufferToVideo, | |
| 0, | |
| 0, | |
| (UINTN) DestX, | |
| (UINTN) DestY, | |
| Width, | |
| Height, | |
| Width * sizeof (EFI_UGA_PIXEL) | |
| ); | |
| } else { | |
| Status = EFI_UNSUPPORTED; | |
| } | |
| // | |
| // Report displayed Logo information. | |
| // | |
| if (!EFI_ERROR (Status)) { | |
| NumberOfLogos++; | |
| if (LogoWidth == 0) { | |
| // | |
| // The first Logo. | |
| // | |
| LogoDestX = (UINTN) DestX; | |
| LogoDestY = (UINTN) DestY; | |
| LogoWidth = Width; | |
| LogoHeight = Height; | |
| } else { | |
| // | |
| // Merge new logo with old one. | |
| // | |
| NewDestX = MIN ((UINTN) DestX, LogoDestX); | |
| NewDestY = MIN ((UINTN) DestY, LogoDestY); | |
| NewWidth = MAX ((UINTN) DestX + Width, LogoDestX + LogoWidth) - NewDestX; | |
| NewHeight = MAX ((UINTN) DestY + Height, LogoDestY + LogoHeight) - NewDestY; | |
| LogoDestX = NewDestX; | |
| LogoDestY = NewDestY; | |
| LogoWidth = NewWidth; | |
| LogoHeight = NewHeight; | |
| } | |
| } | |
| } | |
| FreePool (ImageData); | |
| if (Badging == NULL) { | |
| break; | |
| } | |
| } | |
| Done: | |
| if (BootLogo == NULL || NumberOfLogos == 0) { | |
| // | |
| // No logo displayed. | |
| // | |
| if (Blt != NULL) { | |
| FreePool (Blt); | |
| } | |
| return Status; | |
| } | |
| // | |
| // Advertise displayed Logo information. | |
| // | |
| if (NumberOfLogos == 1) { | |
| // | |
| // Only one logo displayed, use its Blt buffer directly for BootLogo protocol. | |
| // | |
| LogoBlt = Blt; | |
| Status = EFI_SUCCESS; | |
| } else { | |
| // | |
| // More than one Logo displayed, get merged BltBuffer using VideoToBuffer operation. | |
| // | |
| if (Blt != NULL) { | |
| FreePool (Blt); | |
| } | |
| // | |
| // Ensure the LogoHeight * LogoWidth doesn't overflow | |
| // | |
| if (LogoHeight > DivU64x64Remainder ((UINTN) ~0, LogoWidth, NULL)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| BufferSize = MultU64x64 (LogoWidth, LogoHeight); | |
| // | |
| // Ensure the BufferSize * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) doesn't overflow | |
| // | |
| if (BufferSize > DivU64x32 ((UINTN) ~0, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| LogoBlt = AllocateZeroPool ((UINTN)BufferSize * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)); | |
| if (LogoBlt == NULL) { | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| if (GraphicsOutput != NULL) { | |
| Status = GraphicsOutput->Blt ( | |
| GraphicsOutput, | |
| LogoBlt, | |
| EfiBltVideoToBltBuffer, | |
| LogoDestX, | |
| LogoDestY, | |
| 0, | |
| 0, | |
| LogoWidth, | |
| LogoHeight, | |
| LogoWidth * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) | |
| ); | |
| } else if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) { | |
| Status = UgaDraw->Blt ( | |
| UgaDraw, | |
| (EFI_UGA_PIXEL *) LogoBlt, | |
| EfiUgaVideoToBltBuffer, | |
| LogoDestX, | |
| LogoDestY, | |
| 0, | |
| 0, | |
| LogoWidth, | |
| LogoHeight, | |
| LogoWidth * sizeof (EFI_UGA_PIXEL) | |
| ); | |
| } else { | |
| Status = EFI_UNSUPPORTED; | |
| } | |
| } | |
| if (!EFI_ERROR (Status)) { | |
| BootLogo->SetBootLogo (BootLogo, LogoBlt, LogoDestX, LogoDestY, LogoWidth, LogoHeight); | |
| } | |
| FreePool (LogoBlt); | |
| return Status; | |
| } | |
| /** | |
| Use SystemTable Conout to turn on video based Simple Text Out consoles. The | |
| Simple Text Out screens will now be synced up with all non video output devices | |
| @retval EFI_SUCCESS UGA devices are back in text mode and synced up. | |
| **/ | |
| EFI_STATUS | |
| DisableQuietBoot ( | |
| VOID | |
| ) | |
| { | |
| // | |
| // Enable Cursor on Screen | |
| // | |
| gST->ConOut->EnableCursor (gST->ConOut, TRUE); | |
| return EFI_SUCCESS; | |
| } | |