diff options
Diffstat (limited to 'EdkModulePkg/Library/EdkGraphicsLib/Graphics.c')
| -rw-r--r-- | EdkModulePkg/Library/EdkGraphicsLib/Graphics.c | 780 |
1 files changed, 780 insertions, 0 deletions
diff --git a/EdkModulePkg/Library/EdkGraphicsLib/Graphics.c b/EdkModulePkg/Library/EdkGraphicsLib/Graphics.c new file mode 100644 index 0000000000..01c612abd3 --- /dev/null +++ b/EdkModulePkg/Library/EdkGraphicsLib/Graphics.c @@ -0,0 +1,780 @@ +/*++
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ Graphics.c
+
+Abstract:
+
+ Support for Basic Graphics operations.
+
+ BugBug: Currently *.BMP files are supported. This will be replaced
+ when Tiano graphics format is supported.
+
+--*/
+
+EFI_STATUS
+GetGraphicsBitMapFromFV (
+ IN EFI_GUID *FileNameGuid,
+ OUT VOID **Image,
+ OUT UINTN *ImageSize
+ )
+/*++
+
+Routine Description:
+
+ Return the graphics image file named FileNameGuid into Image and return it's
+ size in ImageSize. All Firmware Volumes (FV) in the system are searched for the
+ file name.
+
+Arguments:
+
+ FileNameGuid - File Name of graphics file in the FV(s).
+
+ Image - Pointer to pointer to return graphics image. If NULL, a
+ buffer will be allocated.
+
+ ImageSize - Size of the graphics Image in bytes. Zero if no image found.
+
+
+Returns:
+
+ EFI_SUCCESS - Image and ImageSize are valid.
+ EFI_BUFFER_TOO_SMALL - Image not big enough. ImageSize has required size
+ EFI_NOT_FOUND - FileNameGuid not found
+
+--*/
+{
+ EFI_STATUS Status;
+ UINTN FvProtocolCount;
+ EFI_HANDLE *FvHandles;
+ EFI_FIRMWARE_VOLUME_PROTOCOL *Fv;
+ UINTN Index;
+ UINT32 AuthenticationStatus;
+
+
+ Status = gBS->LocateHandleBuffer (
+ ByProtocol,
+ &gEfiFirmwareVolumeProtocolGuid,
+ NULL,
+ &FvProtocolCount,
+ &FvHandles
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_FOUND;
+ }
+
+ for (Index = 0; Index < FvProtocolCount; Index++) {
+ Status = gBS->HandleProtocol (
+ FvHandles[Index],
+ &gEfiFirmwareVolumeProtocolGuid,
+ (VOID **) &Fv
+ );
+
+ //
+ // Assuming Image and ImageSize are correct on input.
+ //
+ Status = Fv->ReadSection (
+ Fv,
+ &gEfiDefaultBmpLogoGuid,
+ EFI_SECTION_RAW,
+ 0,
+ Image,
+ ImageSize,
+ &AuthenticationStatus
+ );
+ if (!EFI_ERROR (Status)) {
+ return EFI_SUCCESS;
+ } else if (Status == EFI_BUFFER_TOO_SMALL) {
+ //
+ // ImageSize updated to needed size so return
+ //
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+
+EFI_STATUS
+ConvertBmpToUgaBlt (
+ IN VOID *BmpImage,
+ IN UINTN BmpImageSize,
+ IN OUT VOID **UgaBlt,
+ IN OUT UINTN *UgaBltSize,
+ OUT UINTN *PixelHeight,
+ OUT UINTN *PixelWidth
+ )
+/*++
+
+Routine Description:
+
+ Convert a *.BMP graphics image to a UGA blt buffer. If a NULL UgaBlt buffer
+ is passed in a UgaBlt buffer will be allocated by this routine. If a UgaBlt
+ buffer is passed in it will be used if it is big enough.
+
+Arguments:
+
+ BmpImage - Pointer to BMP file
+
+ BmpImageSize - Number of bytes in BmpImage
+
+ UgaBlt - Buffer containing UGA version of BmpImage.
+
+ UgaBltSize - Size of UgaBlt in bytes.
+
+ PixelHeight - Height of UgaBlt/BmpImage in pixels
+
+ PixelWidth - Width of UgaBlt/BmpImage in pixels
+
+
+Returns:
+
+ EFI_SUCCESS - UgaBlt and UgaBltSize are returned.
+ EFI_UNSUPPORTED - BmpImage is not a valid *.BMP image
+ EFI_BUFFER_TOO_SMALL - The passed in UgaBlt buffer is not big enough.
+ UgaBltSize will contain the required size.
+ EFI_OUT_OF_RESOURCES - No enough buffer to allocate
+
+--*/
+{
+ UINT8 *Image;
+ UINT8 *ImageHeader;
+ BMP_IMAGE_HEADER *BmpHeader;
+ BMP_COLOR_MAP *BmpColorMap;
+ EFI_UGA_PIXEL *BltBuffer;
+ EFI_UGA_PIXEL *Blt;
+ UINTN BltBufferSize;
+ UINTN Index;
+ UINTN Height;
+ UINTN Width;
+ UINTN ImageIndex;
+
+ BmpHeader = (BMP_IMAGE_HEADER *) BmpImage;
+ if (BmpHeader->CharB != 'B' || BmpHeader->CharM != 'M') {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (BmpHeader->CompressionType != 0) {
+ return EFI_UNSUPPORTED;
+ }
+
+ //
+ // Calculate Color Map offset in the image.
+ //
+ Image = BmpImage;
+ BmpColorMap = (BMP_COLOR_MAP *) (Image + sizeof (BMP_IMAGE_HEADER));
+
+ //
+ // Calculate graphics image data address in the image
+ //
+ Image = ((UINT8 *) BmpImage) + BmpHeader->ImageOffset;
+ ImageHeader = Image;
+
+ BltBufferSize = BmpHeader->PixelWidth * BmpHeader->PixelHeight * sizeof (EFI_UGA_PIXEL);
+ if (*UgaBlt == NULL) {
+ *UgaBltSize = BltBufferSize;
+ *UgaBlt = AllocatePool (*UgaBltSize);
+ if (*UgaBlt == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+ } else {
+ if (*UgaBltSize < BltBufferSize) {
+ *UgaBltSize = BltBufferSize;
+ return EFI_BUFFER_TOO_SMALL;
+ }
+ }
+
+ *PixelWidth = BmpHeader->PixelWidth;
+ *PixelHeight = BmpHeader->PixelHeight;
+
+ //
+ // Convert image from BMP to Blt buffer format
+ //
+ BltBuffer = *UgaBlt;
+ 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 1bit 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 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 BMP Palette to 24-bit color
+ //
+ Blt->Red = BmpColorMap[*Image].Red;
+ Blt->Green = BmpColorMap[*Image].Green;
+ Blt->Blue = BmpColorMap[*Image].Blue;
+ break;
+
+ case 24:
+ Blt->Blue = *Image++;
+ Blt->Green = *Image++;
+ Blt->Red = *Image;
+ break;
+
+ default:
+ return EFI_UNSUPPORTED;
+ break;
+ };
+
+ }
+
+ 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;
+}
+
+
+EFI_STATUS
+LockKeyboards (
+ IN CHAR16 *Password
+ )
+/*++
+
+Routine Description:
+ Use Console Control Protocol to lock the Console In Spliter virtual handle.
+ This is the ConInHandle and ConIn handle in the EFI system table. All key
+ presses will be ignored until the Password is typed in. The only way to
+ disable the password is to type it in to a ConIn device.
+
+Arguments:
+ Password - Password used to lock ConIn device
+
+
+Returns:
+
+ EFI_SUCCESS - ConsoleControl has been flipped to graphics and logo
+ displayed.
+ EFI_UNSUPPORTED - Logo not found
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
+
+ Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = ConsoleControl->LockStdIn (ConsoleControl, Password);
+ return Status;
+}
+
+
+EFI_STATUS
+EnableQuietBoot (
+ IN EFI_GUID *LogoFile
+ )
+/*++
+
+Routine Description:
+
+ Use Console Control to turn off UGA based Simple Text Out consoles from going
+ to the UGA device. Put up LogoFile on every UGA device that is a console
+
+Arguments:
+
+ LogoFile - File name of logo to display on the center of the screen.
+
+
+Returns:
+
+ EFI_SUCCESS - ConsoleControl has been flipped to graphics and logo
+ displayed.
+ EFI_UNSUPPORTED - Logo not found
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_OEM_BADGING_PROTOCOL *Badging;
+ UINT32 SizeOfX;
+ UINT32 SizeOfY;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+ INTN DestX;
+ INTN DestY;
+
+ UINT8 *ImageData;
+ UINTN ImageSize;
+ EFI_UGA_PIXEL *UgaBlt;
+ UINTN UgaBltSize;
+
+ UINT32 Instance;
+ EFI_BADGING_FORMAT Format;
+ EFI_BADGING_DISPLAY_ATTRIBUTE Attribute;
+ UINTN CoordinateX;
+ UINTN CoordinateY;
+ UINTN Height;
+ UINTN Width;
+
+ Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = gBS->HandleProtocol (gST->ConsoleOutHandle, &gEfiUgaDrawProtocolGuid, (VOID **) &UgaDraw);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Badging = NULL;
+ Status = gBS->LocateProtocol (&gEfiOEMBadgingProtocolGuid, NULL, (VOID **) &Badging);
+
+ ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenGraphics);
+
+ Status = UgaDraw->GetMode (UgaDraw, &SizeOfX, &SizeOfY, &ColorDepth, &RefreshRate);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Instance = 0;
+ while (1) {
+ ImageData = NULL;
+ ImageSize = 0;
+
+ if (Badging != NULL) {
+ Status = Badging->GetImage (
+ Badging,
+ &Instance,
+ &Format,
+ &ImageData,
+ &ImageSize,
+ &Attribute,
+ &CoordinateX,
+ &CoordinateY
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Currently only support BMP format
+ //
+ if (Format != EfiBadgingFormatBMP) {
+ gBS->FreePool (ImageData);
+ continue;
+ }
+ } else {
+ Status = GetGraphicsBitMapFromFV (LogoFile, (VOID **) &ImageData, &ImageSize);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ CoordinateX = 0;
+ CoordinateY = 0;
+ Attribute = EfiBadgingDisplayAttributeCenter;
+ }
+
+ UgaBlt = NULL;
+ Status = ConvertBmpToUgaBlt (
+ ImageData,
+ ImageSize,
+ (VOID **) &UgaBlt,
+ &UgaBltSize,
+ &Height,
+ &Width
+ );
+ if (EFI_ERROR (Status)) {
+ gBS->FreePool (ImageData);
+ continue;
+ }
+
+ 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;
+
+ default:
+ DestX = CoordinateX;
+ DestY = CoordinateY;
+ break;
+ }
+
+ if ((DestX >= 0) && (DestY >= 0)) {
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ UgaBlt,
+ EfiUgaBltBufferToVideo,
+ 0,
+ 0,
+ (UINTN) DestX,
+ (UINTN) DestY,
+ Width,
+ Height,
+ Width * sizeof (EFI_UGA_PIXEL)
+ );
+ }
+
+ gBS->FreePool (ImageData);
+ gBS->FreePool (UgaBlt);
+
+ if (Badging == NULL) {
+ break;
+ }
+ }
+
+ return Status;
+}
+
+
+EFI_STATUS
+DisableQuietBoot (
+ VOID
+ )
+/*++
+
+Routine Description:
+
+ Use Console Control to turn on UGA based Simple Text Out consoles. The UGA
+ Simple Text Out screens will now be synced up with all non UGA output devices
+
+Arguments:
+
+ NONE
+
+Returns:
+
+ EFI_SUCCESS - UGA devices are back in text mode and synced up.
+ EFI_UNSUPPORTED - Logo not found
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
+
+ Status = gBS->LocateProtocol (&gEfiConsoleControlProtocolGuid, NULL, (VOID **) &ConsoleControl);
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ return ConsoleControl->SetMode (ConsoleControl, EfiConsoleControlScreenText);
+}
+
+static EFI_UGA_PIXEL mEfiColors[16] = {
+ { 0x00, 0x00, 0x00, 0x00 },
+ { 0x98, 0x00, 0x00, 0x00 },
+ { 0x00, 0x98, 0x00, 0x00 },
+ { 0x98, 0x98, 0x00, 0x00 },
+ { 0x00, 0x00, 0x98, 0x00 },
+ { 0x98, 0x00, 0x98, 0x00 },
+ { 0x00, 0x98, 0x98, 0x00 },
+ { 0x98, 0x98, 0x98, 0x00 },
+ { 0x10, 0x10, 0x10, 0x00 },
+ { 0xff, 0x10, 0x10, 0x00 },
+ { 0x10, 0xff, 0x10, 0x00 },
+ { 0xff, 0xff, 0x10, 0x00 },
+ { 0x10, 0x10, 0xff, 0x00 },
+ { 0xf0, 0x10, 0xff, 0x00 },
+ { 0x10, 0xff, 0xff, 0x00 },
+ { 0xff, 0xff, 0xff, 0x00 }
+};
+
+STATIC
+UINTN
+_IPrint (
+ IN EFI_UGA_DRAW_PROTOCOL *UgaDraw,
+ IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *Sto,
+ IN UINTN X,
+ IN UINTN Y,
+ IN EFI_UGA_PIXEL *Foreground,
+ IN EFI_UGA_PIXEL *Background,
+ IN CHAR16 *fmt,
+ IN VA_LIST args
+ )
+/*++
+
+Routine Description:
+
+ Display string worker for: Print, PrintAt, IPrint, IPrintAt
+
+Arguments:
+
+ UgaDraw - UGA draw protocol interface
+
+ Sto - Simple text out protocol interface
+
+ X - X coordinate to start printing
+
+ Y - Y coordinate to start printing
+
+ Foreground - Foreground color
+
+ Background - Background color
+
+ fmt - Format string
+
+ args - Print arguments
+
+Returns:
+
+ EFI_SUCCESS - success
+ EFI_OUT_OF_RESOURCES - out of resources
+
+--*/
+{
+ VOID *Buffer;
+ EFI_STATUS Status;
+ UINT16 GlyphWidth;
+ UINT32 GlyphStatus;
+ UINT16 StringIndex;
+ UINTN Index;
+ CHAR16 *UnicodeWeight;
+ EFI_NARROW_GLYPH *Glyph;
+ EFI_HII_PROTOCOL *Hii;
+ EFI_UGA_PIXEL *LineBuffer;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+
+ GlyphStatus = 0;
+
+ //
+ // For now, allocate an arbitrarily long buffer
+ //
+ Buffer = AllocateZeroPool (0x10000);
+ if (Buffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ UgaDraw->GetMode (UgaDraw, &HorizontalResolution, &VerticalResolution, &ColorDepth, &RefreshRate);
+
+ LineBuffer = AllocatePool (sizeof (EFI_UGA_PIXEL) * HorizontalResolution * GLYPH_WIDTH * GLYPH_HEIGHT);
+ if (LineBuffer == NULL) {
+ gBS->FreePool (Buffer);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Status = gBS->LocateProtocol (&gEfiHiiProtocolGuid, NULL, (VOID **) &Hii);
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+
+ UnicodeVSPrint (Buffer, 0x10000, fmt, args);
+
+ UnicodeWeight = (CHAR16 *) Buffer;
+
+ for (Index = 0; UnicodeWeight[Index] != 0; Index++) {
+ if (UnicodeWeight[Index] == CHAR_BACKSPACE ||
+ UnicodeWeight[Index] == CHAR_LINEFEED ||
+ UnicodeWeight[Index] == CHAR_CARRIAGE_RETURN) {
+ UnicodeWeight[Index] = 0;
+ }
+ }
+
+ for (Index = 0; Index < StrLen (Buffer); Index++) {
+ StringIndex = (UINT16) Index;
+ Status = Hii->GetGlyph (Hii, UnicodeWeight, &StringIndex, (UINT8 **) &Glyph, &GlyphWidth, &GlyphStatus);
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+
+ if (Foreground == NULL || Background == NULL) {
+ Status = Hii->GlyphToBlt (
+ Hii,
+ (UINT8 *) Glyph,
+ mEfiColors[Sto->Mode->Attribute & 0x0f],
+ mEfiColors[Sto->Mode->Attribute >> 4],
+ StrLen (Buffer),
+ GlyphWidth,
+ GLYPH_HEIGHT,
+ &LineBuffer[Index * GLYPH_WIDTH]
+ );
+ } else {
+ Status = Hii->GlyphToBlt (
+ Hii,
+ (UINT8 *) Glyph,
+ *Foreground,
+ *Background,
+ StrLen (Buffer),
+ GlyphWidth,
+ GLYPH_HEIGHT,
+ &LineBuffer[Index * GLYPH_WIDTH]
+ );
+ }
+ }
+
+ //
+ // Blt a character to the screen
+ //
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ LineBuffer,
+ EfiUgaBltBufferToVideo,
+ 0,
+ 0,
+ X,
+ Y,
+ GLYPH_WIDTH * StrLen (Buffer),
+ GLYPH_HEIGHT,
+ GLYPH_WIDTH * StrLen (Buffer) * sizeof (EFI_UGA_PIXEL)
+ );
+
+Error:
+ gBS->FreePool (LineBuffer);
+ gBS->FreePool (Buffer);
+ return Status;
+}
+
+
+UINTN
+PrintXY (
+ IN UINTN X,
+ IN UINTN Y,
+ IN EFI_UGA_PIXEL *ForeGround, OPTIONAL
+ IN EFI_UGA_PIXEL *BackGround, OPTIONAL
+ IN CHAR16 *Fmt,
+ ...
+ )
+/*++
+
+Routine Description:
+
+ Prints a formatted unicode string to the default console
+
+Arguments:
+
+ X - X coordinate to start printing
+
+ Y - Y coordinate to start printing
+
+ ForeGround - Foreground color
+
+ BackGround - Background color
+
+ Fmt - Format string
+
+ ... - Print arguments
+
+Returns:
+
+ Length of string printed to the console
+
+--*/
+{
+ EFI_HANDLE Handle;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_SIMPLE_TEXT_OUT_PROTOCOL *Sto;
+ EFI_STATUS Status;
+ VA_LIST Args;
+
+ VA_START (Args, Fmt);
+
+ Handle = gST->ConsoleOutHandle;
+
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiUgaDrawProtocolGuid,
+ (VOID **) &UgaDraw
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->HandleProtocol (
+ Handle,
+ &gEfiSimpleTextOutProtocolGuid,
+ (VOID **) &Sto
+ );
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ return _IPrint (UgaDraw, Sto, X, Y, ForeGround, BackGround, Fmt, Args);
+}
|