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authorkx <kx@radix.pro>2024-06-04 06:43:08 +0300
committerkx <kx@radix.pro>2024-06-04 06:43:08 +0300
commit7e2ccccace24636f29ddc210b94606abd4c7e42b (patch)
tree545d43ea12671048956cafeb12303e84d601e571 /MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
parent27b044605cd5f6b33a3d231576003850b3fe305b (diff)
downloadedk2-trunk.tar.xz
Renormalized end-of-lines from master@27b044605cd5f6b33a3d231576003850b3fe305btrunk
Diffstat (limited to 'MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c')
-rw-r--r--MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c4310
1 files changed, 2155 insertions, 2155 deletions
diff --git a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
index b895dafede..bbff9ff3df 100644
--- a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
+++ b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
@@ -1,2155 +1,2155 @@
-/** @file
- This is the main routine for initializing the Graphics Console support routines.
-
-Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "GraphicsConsole.h"
-
-//
-// Graphics Console Device Private Data template
-//
-GRAPHICS_CONSOLE_DEV mGraphicsConsoleDevTemplate = {
- GRAPHICS_CONSOLE_DEV_SIGNATURE,
- (EFI_GRAPHICS_OUTPUT_PROTOCOL *)NULL,
- (EFI_UGA_DRAW_PROTOCOL *)NULL,
- {
- GraphicsConsoleConOutReset,
- GraphicsConsoleConOutOutputString,
- GraphicsConsoleConOutTestString,
- GraphicsConsoleConOutQueryMode,
- GraphicsConsoleConOutSetMode,
- GraphicsConsoleConOutSetAttribute,
- GraphicsConsoleConOutClearScreen,
- GraphicsConsoleConOutSetCursorPosition,
- GraphicsConsoleConOutEnableCursor,
- (EFI_SIMPLE_TEXT_OUTPUT_MODE *)NULL
- },
- {
- 0,
- -1,
- EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK),
- 0,
- 0,
- FALSE
- },
- (GRAPHICS_CONSOLE_MODE_DATA *)NULL,
- (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)NULL
-};
-
-GRAPHICS_CONSOLE_MODE_DATA mGraphicsConsoleModeData[] = {
- { 100, 31 }, // 800 x 600
- { 128, 40 }, // 1024 x 768
- { 160, 42 }, // 1280 x 800
- { 240, 56 }, // 1920 x 1080
- //
- // New modes can be added here.
- // The last entry is specific for full screen mode.
- //
- { 0, 0 }
-};
-
-EFI_HII_DATABASE_PROTOCOL *mHiiDatabase;
-EFI_HII_FONT_PROTOCOL *mHiiFont;
-EFI_HII_HANDLE mHiiHandle;
-VOID *mHiiRegistration;
-
-EFI_GUID mFontPackageListGuid = {
- 0xf5f219d3, 0x7006, 0x4648, { 0xac, 0x8d, 0xd6, 0x1d, 0xfb, 0x7b, 0xc6, 0xad }
-};
-
-CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };
-
-EFI_GRAPHICS_OUTPUT_BLT_PIXEL mGraphicsEfiColors[16] = {
- //
- // B G R reserved
- //
- { 0x00, 0x00, 0x00, 0x00 }, // BLACK
- { 0x98, 0x00, 0x00, 0x00 }, // LIGHTBLUE
- { 0x00, 0x98, 0x00, 0x00 }, // LIGHGREEN
- { 0x98, 0x98, 0x00, 0x00 }, // LIGHCYAN
- { 0x00, 0x00, 0x98, 0x00 }, // LIGHRED
- { 0x98, 0x00, 0x98, 0x00 }, // MAGENTA
- { 0x00, 0x98, 0x98, 0x00 }, // BROWN
- { 0x98, 0x98, 0x98, 0x00 }, // LIGHTGRAY
- { 0x30, 0x30, 0x30, 0x00 }, // DARKGRAY - BRIGHT BLACK
- { 0xff, 0x00, 0x00, 0x00 }, // BLUE
- { 0x00, 0xff, 0x00, 0x00 }, // LIME
- { 0xff, 0xff, 0x00, 0x00 }, // CYAN
- { 0x00, 0x00, 0xff, 0x00 }, // RED
- { 0xff, 0x00, 0xff, 0x00 }, // FUCHSIA
- { 0x00, 0xff, 0xff, 0x00 }, // YELLOW
- { 0xff, 0xff, 0xff, 0x00 } // WHITE
-};
-
-EFI_NARROW_GLYPH mCursorGlyph = {
- 0x0000,
- 0x00,
- { 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF }
-};
-
-CHAR16 SpaceStr[] = { NARROW_CHAR, ' ', 0 };
-
-EFI_DRIVER_BINDING_PROTOCOL gGraphicsConsoleDriverBinding = {
- GraphicsConsoleControllerDriverSupported,
- GraphicsConsoleControllerDriverStart,
- GraphicsConsoleControllerDriverStop,
- 0xa,
- NULL,
- NULL
-};
-
-/**
- Test to see if Graphics Console could be supported on the Controller.
-
- Graphics Console could be supported if Graphics Output Protocol or UGA Draw
- Protocol exists on the Controller. (UGA Draw Protocol could be skipped
- if PcdUgaConsumeSupport is set to FALSE.)
-
- @param This Protocol instance pointer.
- @param Controller Handle of device to test.
- @param RemainingDevicePath Optional parameter use to pick a specific child
- device to start.
-
- @retval EFI_SUCCESS This driver supports this device.
- @retval other This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleControllerDriverSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
- EFI_UGA_DRAW_PROTOCOL *UgaDraw;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
-
- GraphicsOutput = NULL;
- UgaDraw = NULL;
- //
- // Open the IO Abstraction(s) needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiGraphicsOutputProtocolGuid,
- (VOID **)&GraphicsOutput,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
- //
- // Open Graphics Output Protocol failed, try to open UGA Draw Protocol
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiUgaDrawProtocolGuid,
- (VOID **)&UgaDraw,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- }
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // We need to ensure that we do not layer on top of a virtual handle.
- // We need to ensure that the handles produced by the conspliter do not
- // get used.
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **)&DevicePath,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (!EFI_ERROR (Status)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- } else {
- goto Error;
- }
-
- //
- // Does Hii Exist? If not, we aren't ready to run
- //
- Status = EfiLocateHiiProtocol ();
-
- //
- // Close the I/O Abstraction(s) used to perform the supported test
- //
-Error:
- if (GraphicsOutput != NULL) {
- gBS->CloseProtocol (
- Controller,
- &gEfiGraphicsOutputProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiUgaDrawProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- }
-
- return Status;
-}
-
-/**
- Initialize all the text modes which the graphics console supports.
-
- It returns information for available text modes that the graphics can support.
-
- @param[in] HorizontalResolution The size of video screen in pixels in the X dimension.
- @param[in] VerticalResolution The size of video screen in pixels in the Y dimension.
- @param[in] GopModeNumber The graphics mode number which graphics console is based on.
- @param[out] TextModeCount The total number of text modes that graphics console supports.
- @param[out] TextModeData The buffer to the text modes column and row information.
- Caller is responsible to free it when it's non-NULL.
-
- @retval EFI_SUCCESS The supporting mode information is returned.
- @retval EFI_INVALID_PARAMETER The parameters are invalid.
-
-**/
-EFI_STATUS
-InitializeGraphicsConsoleTextMode (
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 GopModeNumber,
- OUT UINTN *TextModeCount,
- OUT GRAPHICS_CONSOLE_MODE_DATA **TextModeData
- )
-{
- UINTN Index;
- UINTN Count;
- GRAPHICS_CONSOLE_MODE_DATA *ModeBuffer;
- GRAPHICS_CONSOLE_MODE_DATA *NewModeBuffer;
- UINTN ValidCount;
- UINTN ValidIndex;
- UINTN MaxColumns;
- UINTN MaxRows;
-
- if ((TextModeCount == NULL) || (TextModeData == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- Count = sizeof (mGraphicsConsoleModeData) / sizeof (GRAPHICS_CONSOLE_MODE_DATA);
-
- //
- // Compute the maximum number of text Rows and Columns that this current graphics mode can support.
- // To make graphics console work well, MaxColumns and MaxRows should not be zero.
- //
- MaxColumns = HorizontalResolution / EFI_GLYPH_WIDTH;
- MaxRows = VerticalResolution / EFI_GLYPH_HEIGHT;
-
- //
- // According to UEFI spec, all output devices support at least 80x25 text mode.
- //
- ASSERT ((MaxColumns >= 80) && (MaxRows >= 25));
-
- //
- // Add full screen mode to the last entry.
- //
- mGraphicsConsoleModeData[Count - 1].Columns = MaxColumns;
- mGraphicsConsoleModeData[Count - 1].Rows = MaxRows;
-
- //
- // Get defined mode buffer pointer.
- //
- ModeBuffer = mGraphicsConsoleModeData;
-
- //
- // Here we make sure that the final mode exposed does not include the duplicated modes,
- // and does not include the invalid modes which exceed the max column and row.
- // Reserve 2 modes for 80x25, 80x50 of graphics console.
- //
- NewModeBuffer = AllocateZeroPool (sizeof (GRAPHICS_CONSOLE_MODE_DATA) * (Count + 2));
- ASSERT (NewModeBuffer != NULL);
-
- //
- // Mode 0 and mode 1 is for 80x25, 80x50 according to UEFI spec.
- //
- ValidCount = 0;
-
- NewModeBuffer[ValidCount].Columns = 80;
- NewModeBuffer[ValidCount].Rows = 25;
- NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;
- NewModeBuffer[ValidCount].GopHeight = VerticalResolution;
- NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;
- NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (NewModeBuffer[ValidCount].Columns * EFI_GLYPH_WIDTH)) >> 1;
- NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (NewModeBuffer[ValidCount].Rows * EFI_GLYPH_HEIGHT)) >> 1;
- ValidCount++;
-
- if ((MaxColumns >= 80) && (MaxRows >= 50)) {
- NewModeBuffer[ValidCount].Columns = 80;
- NewModeBuffer[ValidCount].Rows = 50;
- NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (80 * EFI_GLYPH_WIDTH)) >> 1;
- NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (50 * EFI_GLYPH_HEIGHT)) >> 1;
- }
-
- NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;
- NewModeBuffer[ValidCount].GopHeight = VerticalResolution;
- NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;
- ValidCount++;
-
- //
- // Start from mode 2 to put the valid mode other than 80x25 and 80x50 in the output mode buffer.
- //
- for (Index = 0; Index < Count; Index++) {
- if ((ModeBuffer[Index].Columns == 0) || (ModeBuffer[Index].Rows == 0) ||
- (ModeBuffer[Index].Columns > MaxColumns) || (ModeBuffer[Index].Rows > MaxRows))
- {
- //
- // Skip the pre-defined mode which is invalid or exceeds the max column and row.
- //
- continue;
- }
-
- for (ValidIndex = 0; ValidIndex < ValidCount; ValidIndex++) {
- if ((ModeBuffer[Index].Columns == NewModeBuffer[ValidIndex].Columns) &&
- (ModeBuffer[Index].Rows == NewModeBuffer[ValidIndex].Rows))
- {
- //
- // Skip the duplicated mode.
- //
- break;
- }
- }
-
- if (ValidIndex == ValidCount) {
- NewModeBuffer[ValidCount].Columns = ModeBuffer[Index].Columns;
- NewModeBuffer[ValidCount].Rows = ModeBuffer[Index].Rows;
- NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;
- NewModeBuffer[ValidCount].GopHeight = VerticalResolution;
- NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;
- NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (NewModeBuffer[ValidCount].Columns * EFI_GLYPH_WIDTH)) >> 1;
- NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (NewModeBuffer[ValidCount].Rows * EFI_GLYPH_HEIGHT)) >> 1;
- ValidCount++;
- }
- }
-
- DEBUG_CODE_BEGIN ();
- for (Index = 0; Index < ValidCount; Index++) {
- DEBUG ((
- DEBUG_INFO,
- "Graphics - Mode %d, Column = %d, Row = %d\n",
- Index,
- NewModeBuffer[Index].Columns,
- NewModeBuffer[Index].Rows
- ));
- }
-
- DEBUG_CODE_END ();
-
- //
- // Return valid mode count and mode information buffer.
- //
- *TextModeCount = ValidCount;
- *TextModeData = NewModeBuffer;
- return EFI_SUCCESS;
-}
-
-/**
- Start this driver on Controller by opening Graphics Output protocol or
- UGA Draw protocol, and installing Simple Text Out protocol on Controller.
- (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)
-
- @param This Protocol instance pointer.
- @param Controller Handle of device to bind driver to
- @param RemainingDevicePath Optional parameter use to pick a specific child
- device to start.
-
- @retval EFI_SUCCESS This driver is added to Controller.
- @retval other This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleControllerDriverStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- GRAPHICS_CONSOLE_DEV *Private;
- UINT32 HorizontalResolution;
- UINT32 VerticalResolution;
- UINT32 ColorDepth;
- UINT32 RefreshRate;
- UINT32 ModeIndex;
- UINTN MaxMode;
- UINT32 ModeNumber;
- EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;
- UINTN SizeOfInfo;
- EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
- INT32 PreferMode;
- INT32 Index;
- UINTN Column;
- UINTN Row;
- UINTN DefaultColumn;
- UINTN DefaultRow;
-
- ModeNumber = 0;
-
- //
- // Initialize the Graphics Console device instance
- //
- Private = AllocateCopyPool (
- sizeof (GRAPHICS_CONSOLE_DEV),
- &mGraphicsConsoleDevTemplate
- );
- if (Private == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Private->SimpleTextOutput.Mode = &(Private->SimpleTextOutputMode);
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiGraphicsOutputProtocolGuid,
- (VOID **)&Private->GraphicsOutput,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiUgaDrawProtocolGuid,
- (VOID **)&Private->UgaDraw,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- }
-
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- HorizontalResolution = PcdGet32 (PcdVideoHorizontalResolution);
- VerticalResolution = PcdGet32 (PcdVideoVerticalResolution);
-
- if (Private->GraphicsOutput != NULL) {
- //
- // The console is build on top of Graphics Output Protocol, find the mode number
- // for the user-defined mode; if there are multiple video devices,
- // graphic console driver will set all the video devices to the same mode.
- //
- if ((HorizontalResolution == 0x0) || (VerticalResolution == 0x0)) {
- //
- // Find the highest resolution which GOP supports.
- //
- MaxMode = Private->GraphicsOutput->Mode->MaxMode;
-
- for (ModeIndex = 0; ModeIndex < MaxMode; ModeIndex++) {
- Status = Private->GraphicsOutput->QueryMode (
- Private->GraphicsOutput,
- ModeIndex,
- &SizeOfInfo,
- &Info
- );
- if (!EFI_ERROR (Status)) {
- if ((Info->HorizontalResolution > HorizontalResolution) ||
- ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution > VerticalResolution)))
- {
- HorizontalResolution = Info->HorizontalResolution;
- VerticalResolution = Info->VerticalResolution;
- ModeNumber = ModeIndex;
- }
-
- FreePool (Info);
- }
- }
-
- if ((HorizontalResolution == 0x0) || (VerticalResolution == 0x0)) {
- Status = EFI_UNSUPPORTED;
- goto Error;
- }
- } else {
- //
- // Use user-defined resolution
- //
- Status = CheckModeSupported (
- Private->GraphicsOutput,
- HorizontalResolution,
- VerticalResolution,
- &ModeNumber
- );
- if (EFI_ERROR (Status)) {
- //
- // if not supporting current mode, try 800x600 which is required by UEFI/EFI spec
- //
- HorizontalResolution = 800;
- VerticalResolution = 600;
- Status = CheckModeSupported (
- Private->GraphicsOutput,
- HorizontalResolution,
- VerticalResolution,
- &ModeNumber
- );
- Mode = Private->GraphicsOutput->Mode;
- if (EFI_ERROR (Status) && (Mode->MaxMode != 0)) {
- //
- // If set default mode failed or device doesn't support default mode, then get the current mode information
- //
- HorizontalResolution = Mode->Info->HorizontalResolution;
- VerticalResolution = Mode->Info->VerticalResolution;
- ModeNumber = Mode->Mode;
- }
- }
- }
-
- if (EFI_ERROR (Status) || (ModeNumber != Private->GraphicsOutput->Mode->Mode)) {
- //
- // Current graphics mode is not set or is not set to the mode which we have found,
- // set the new graphic mode.
- //
- Status = Private->GraphicsOutput->SetMode (Private->GraphicsOutput, ModeNumber);
- if (EFI_ERROR (Status)) {
- //
- // The mode set operation failed
- //
- goto Error;
- }
- }
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- //
- // At first try to set user-defined resolution
- //
- ColorDepth = 32;
- RefreshRate = 60;
- Status = Private->UgaDraw->SetMode (
- Private->UgaDraw,
- HorizontalResolution,
- VerticalResolution,
- ColorDepth,
- RefreshRate
- );
- if (EFI_ERROR (Status)) {
- //
- // Try to set 800*600 which is required by UEFI/EFI spec
- //
- Status = Private->UgaDraw->SetMode (
- Private->UgaDraw,
- 800,
- 600,
- ColorDepth,
- RefreshRate
- );
- if (EFI_ERROR (Status)) {
- Status = Private->UgaDraw->GetMode (
- Private->UgaDraw,
- &HorizontalResolution,
- &VerticalResolution,
- &ColorDepth,
- &RefreshRate
- );
- if (EFI_ERROR (Status)) {
- goto Error;
- }
- }
- }
- }
-
- DEBUG ((DEBUG_INFO, "GraphicsConsole video resolution %d x %d\n", HorizontalResolution, VerticalResolution));
-
- //
- // Initialize the mode which GraphicsConsole supports.
- //
- Status = InitializeGraphicsConsoleTextMode (
- HorizontalResolution,
- VerticalResolution,
- ModeNumber,
- &MaxMode,
- &Private->ModeData
- );
-
- if (EFI_ERROR (Status)) {
- goto Error;
- }
-
- //
- // Update the maximum number of modes
- //
- Private->SimpleTextOutputMode.MaxMode = (INT32)MaxMode;
-
- //
- // Initialize the Mode of graphics console devices
- //
- PreferMode = -1;
- DefaultColumn = PcdGet32 (PcdConOutColumn);
- DefaultRow = PcdGet32 (PcdConOutRow);
- Column = 0;
- Row = 0;
- for (Index = 0; Index < (INT32)MaxMode; Index++) {
- if ((DefaultColumn != 0) && (DefaultRow != 0)) {
- if ((Private->ModeData[Index].Columns == DefaultColumn) &&
- (Private->ModeData[Index].Rows == DefaultRow))
- {
- PreferMode = Index;
- break;
- }
- } else {
- if ((Private->ModeData[Index].Columns > Column) &&
- (Private->ModeData[Index].Rows > Row))
- {
- Column = Private->ModeData[Index].Columns;
- Row = Private->ModeData[Index].Rows;
- PreferMode = Index;
- }
- }
- }
-
- Private->SimpleTextOutput.Mode->Mode = (INT32)PreferMode;
- DEBUG ((DEBUG_INFO, "Graphics Console Started, Mode: %d\n", PreferMode));
-
- //
- // Install protocol interfaces for the Graphics Console device.
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Controller,
- &gEfiSimpleTextOutProtocolGuid,
- &Private->SimpleTextOutput,
- NULL
- );
-
-Error:
- if (EFI_ERROR (Status)) {
- //
- // Close the GOP and UGA Draw Protocol
- //
- if (Private->GraphicsOutput != NULL) {
- gBS->CloseProtocol (
- Controller,
- &gEfiGraphicsOutputProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiUgaDrawProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- }
-
- if (Private->LineBuffer != NULL) {
- FreePool (Private->LineBuffer);
- }
-
- if (Private->ModeData != NULL) {
- FreePool (Private->ModeData);
- }
-
- //
- // Free private data
- //
- FreePool (Private);
- }
-
- return Status;
-}
-
-/**
- Stop this driver on Controller by removing Simple Text Out protocol
- and closing the Graphics Output Protocol or UGA Draw protocol on Controller.
- (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)
-
-
- @param This Protocol instance pointer.
- @param Controller Handle of device to stop driver on
- @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
- children is zero stop the entire bus driver.
- @param ChildHandleBuffer List of Child Handles to Stop.
-
- @retval EFI_SUCCESS This driver is removed Controller.
- @retval EFI_NOT_STARTED Simple Text Out protocol could not be found the
- Controller.
- @retval other This driver was not removed from this device.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleControllerDriverStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOutput;
- GRAPHICS_CONSOLE_DEV *Private;
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiSimpleTextOutProtocolGuid,
- (VOID **)&SimpleTextOutput,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return EFI_NOT_STARTED;
- }
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (SimpleTextOutput);
-
- Status = gBS->UninstallProtocolInterface (
- Controller,
- &gEfiSimpleTextOutProtocolGuid,
- &Private->SimpleTextOutput
- );
-
- if (!EFI_ERROR (Status)) {
- //
- // Close the GOP or UGA IO Protocol
- //
- if (Private->GraphicsOutput != NULL) {
- gBS->CloseProtocol (
- Controller,
- &gEfiGraphicsOutputProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- gBS->CloseProtocol (
- Controller,
- &gEfiUgaDrawProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- }
-
- if (Private->LineBuffer != NULL) {
- FreePool (Private->LineBuffer);
- }
-
- if (Private->ModeData != NULL) {
- FreePool (Private->ModeData);
- }
-
- //
- // Free our instance data
- //
- FreePool (Private);
- }
-
- return Status;
-}
-
-/**
- Check if the current specific mode supported the user defined resolution
- for the Graphics Console device based on Graphics Output Protocol.
-
- If yes, set the graphic device's current mode to this specific mode.
-
- @param GraphicsOutput Graphics Output Protocol instance pointer.
- @param HorizontalResolution User defined horizontal resolution
- @param VerticalResolution User defined vertical resolution.
- @param CurrentModeNumber Current specific mode to be check.
-
- @retval EFI_SUCCESS The mode is supported.
- @retval EFI_UNSUPPORTED The specific mode is out of range of graphics
- device supported.
- @retval other The specific mode does not support user defined
- resolution or failed to set the current mode to the
- specific mode on graphics device.
-
-**/
-EFI_STATUS
-CheckModeSupported (
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- OUT UINT32 *CurrentModeNumber
- )
-{
- UINT32 ModeNumber;
- EFI_STATUS Status;
- UINTN SizeOfInfo;
- EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
- UINT32 MaxMode;
-
- Status = EFI_SUCCESS;
- MaxMode = GraphicsOutput->Mode->MaxMode;
-
- for (ModeNumber = 0; ModeNumber < MaxMode; ModeNumber++) {
- Status = GraphicsOutput->QueryMode (
- GraphicsOutput,
- ModeNumber,
- &SizeOfInfo,
- &Info
- );
- if (!EFI_ERROR (Status)) {
- if ((Info->HorizontalResolution == HorizontalResolution) &&
- (Info->VerticalResolution == VerticalResolution))
- {
- if ((GraphicsOutput->Mode->Info->HorizontalResolution == HorizontalResolution) &&
- (GraphicsOutput->Mode->Info->VerticalResolution == VerticalResolution))
- {
- //
- // If video device has been set to this mode, we do not need to SetMode again
- //
- FreePool (Info);
- break;
- } else {
- Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);
- if (!EFI_ERROR (Status)) {
- FreePool (Info);
- break;
- }
- }
- }
-
- FreePool (Info);
- }
- }
-
- if (ModeNumber == GraphicsOutput->Mode->MaxMode) {
- Status = EFI_UNSUPPORTED;
- }
-
- *CurrentModeNumber = ModeNumber;
- return Status;
-}
-
-/**
- Locate HII Database protocol and HII Font protocol.
-
- @retval EFI_SUCCESS HII Database protocol and HII Font protocol
- are located successfully.
- @return other Failed to locate HII Database protocol or
- HII Font protocol.
-
-**/
-EFI_STATUS
-EfiLocateHiiProtocol (
- VOID
- )
-{
- EFI_STATUS Status;
-
- Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **)&mHiiDatabase);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = gBS->LocateProtocol (&gEfiHiiFontProtocolGuid, NULL, (VOID **)&mHiiFont);
- return Status;
-}
-
-//
-// Body of the STO functions
-//
-
-/**
- Reset the text output device hardware and optionally run diagnostics.
-
- Implements SIMPLE_TEXT_OUTPUT.Reset().
- If ExtendedVerification is TRUE, then perform dependent Graphics Console
- device reset, and set display mode to mode 0.
- If ExtendedVerification is FALSE, only set display mode to mode 0.
-
- @param This Protocol instance pointer.
- @param ExtendedVerification Indicates that the driver may perform a more
- exhaustive verification operation of the device
- during reset.
-
- @retval EFI_SUCCESS The text output device was reset.
- @retval EFI_DEVICE_ERROR The text output device is not functioning correctly and
- could not be reset.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutReset (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- EFI_STATUS Status;
-
- Status = This->SetMode (This, 0);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));
- return Status;
-}
-
-/**
- Write a Unicode string to the output device.
-
- Implements SIMPLE_TEXT_OUTPUT.OutputString().
- The Unicode string will be converted to Glyphs and will be
- sent to the Graphics Console.
-
- @param This Protocol instance pointer.
- @param WString The NULL-terminated Unicode string to be displayed
- on the output device(s). All output devices must
- also support the Unicode drawing defined in this file.
-
- @retval EFI_SUCCESS The string was output to the device.
- @retval EFI_DEVICE_ERROR The device reported an error while attempting to output
- the text.
- @retval EFI_UNSUPPORTED The output device's mode is not currently in a
- defined text mode.
- @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the
- characters in the Unicode string could not be
- rendered and were skipped.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutOutputString (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN CHAR16 *WString
- )
-{
- GRAPHICS_CONSOLE_DEV *Private;
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
- EFI_UGA_DRAW_PROTOCOL *UgaDraw;
- INTN Mode;
- UINTN MaxColumn;
- UINTN MaxRow;
- UINTN Width;
- UINTN Height;
- UINTN Delta;
- EFI_STATUS Status;
- BOOLEAN Warning;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
- UINTN DeltaX;
- UINTN DeltaY;
- UINTN Count;
- UINTN Index;
- INT32 OriginAttribute;
- EFI_TPL OldTpl;
-
- if (This->Mode->Mode == -1) {
- //
- // If current mode is not valid, return error.
- //
- return EFI_UNSUPPORTED;
- }
-
- Status = EFI_SUCCESS;
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
- //
- // Current mode
- //
- Mode = This->Mode->Mode;
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
- GraphicsOutput = Private->GraphicsOutput;
- UgaDraw = Private->UgaDraw;
-
- MaxColumn = Private->ModeData[Mode].Columns;
- MaxRow = Private->ModeData[Mode].Rows;
- DeltaX = (UINTN)Private->ModeData[Mode].DeltaX;
- DeltaY = (UINTN)Private->ModeData[Mode].DeltaY;
- Width = MaxColumn * EFI_GLYPH_WIDTH;
- Height = (MaxRow - 1) * EFI_GLYPH_HEIGHT;
- Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
-
- //
- // The Attributes won't change when during the time OutputString is called
- //
- GetTextColors (This, &Foreground, &Background);
-
- FlushCursor (This);
-
- Warning = FALSE;
-
- //
- // Backup attribute
- //
- OriginAttribute = This->Mode->Attribute;
-
- while (*WString != L'\0') {
- if (*WString == CHAR_BACKSPACE) {
- //
- // If the cursor is at the left edge of the display, then move the cursor
- // one row up.
- //
- if ((This->Mode->CursorColumn == 0) && (This->Mode->CursorRow > 0)) {
- This->Mode->CursorRow--;
- This->Mode->CursorColumn = (INT32)(MaxColumn - 1);
- This->OutputString (This, SpaceStr);
- FlushCursor (This);
- This->Mode->CursorRow--;
- This->Mode->CursorColumn = (INT32)(MaxColumn - 1);
- } else if (This->Mode->CursorColumn > 0) {
- //
- // If the cursor is not at the left edge of the display, then move the cursor
- // left one column.
- //
- This->Mode->CursorColumn--;
- This->OutputString (This, SpaceStr);
- FlushCursor (This);
- This->Mode->CursorColumn--;
- }
-
- WString++;
- } else if (*WString == CHAR_LINEFEED) {
- //
- // If the cursor is at the bottom of the display, then scroll the display one
- // row, and do not update the cursor position. Otherwise, move the cursor
- // down one row.
- //
- if (This->Mode->CursorRow == (INT32)(MaxRow - 1)) {
- if (GraphicsOutput != NULL) {
- //
- // Scroll Screen Up One Row
- //
- GraphicsOutput->Blt (
- GraphicsOutput,
- NULL,
- EfiBltVideoToVideo,
- DeltaX,
- DeltaY + EFI_GLYPH_HEIGHT,
- DeltaX,
- DeltaY,
- Width,
- Height,
- Delta
- );
-
- //
- // Print Blank Line at last line
- //
- GraphicsOutput->Blt (
- GraphicsOutput,
- &Background,
- EfiBltVideoFill,
- 0,
- 0,
- DeltaX,
- DeltaY + Height,
- Width,
- EFI_GLYPH_HEIGHT,
- Delta
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- //
- // Scroll Screen Up One Row
- //
- UgaDraw->Blt (
- UgaDraw,
- NULL,
- EfiUgaVideoToVideo,
- DeltaX,
- DeltaY + EFI_GLYPH_HEIGHT,
- DeltaX,
- DeltaY,
- Width,
- Height,
- Delta
- );
-
- //
- // Print Blank Line at last line
- //
- UgaDraw->Blt (
- UgaDraw,
- (EFI_UGA_PIXEL *)(UINTN)&Background,
- EfiUgaVideoFill,
- 0,
- 0,
- DeltaX,
- DeltaY + Height,
- Width,
- EFI_GLYPH_HEIGHT,
- Delta
- );
- }
- } else {
- This->Mode->CursorRow++;
- }
-
- WString++;
- } else if (*WString == CHAR_CARRIAGE_RETURN) {
- //
- // Move the cursor to the beginning of the current row.
- //
- This->Mode->CursorColumn = 0;
- WString++;
- } else if (*WString == WIDE_CHAR) {
- This->Mode->Attribute |= EFI_WIDE_ATTRIBUTE;
- WString++;
- } else if (*WString == NARROW_CHAR) {
- This->Mode->Attribute &= (~(UINT32)EFI_WIDE_ATTRIBUTE);
- WString++;
- } else {
- //
- // Print the character at the current cursor position and move the cursor
- // right one column. If this moves the cursor past the right edge of the
- // display, then the line should wrap to the beginning of the next line. This
- // is equivalent to inserting a CR and an LF. Note that if the cursor is at the
- // bottom of the display, and the line wraps, then the display will be scrolled
- // one line.
- // If wide char is going to be displayed, need to display one character at a time
- // Or, need to know the display length of a certain string.
- //
- // Index is used to determine how many character width units (wide = 2, narrow = 1)
- // Count is used to determine how many characters are used regardless of their attributes
- //
- for (Count = 0, Index = 0; (This->Mode->CursorColumn + Index) < MaxColumn; Count++, Index++) {
- if ((WString[Count] == CHAR_NULL) ||
- (WString[Count] == CHAR_BACKSPACE) ||
- (WString[Count] == CHAR_LINEFEED) ||
- (WString[Count] == CHAR_CARRIAGE_RETURN) ||
- (WString[Count] == WIDE_CHAR) ||
- (WString[Count] == NARROW_CHAR))
- {
- break;
- }
-
- //
- // Is the wide attribute on?
- //
- if ((This->Mode->Attribute & EFI_WIDE_ATTRIBUTE) != 0) {
- //
- // If wide, add one more width unit than normal since we are going to increment at the end of the for loop
- //
- Index++;
- //
- // This is the end-case where if we are at column 79 and about to print a wide character
- // We should prevent this from happening because we will wrap inappropriately. We should
- // not print this character until the next line.
- //
- if ((This->Mode->CursorColumn + Index + 1) > MaxColumn) {
- Index++;
- break;
- }
- }
- }
-
- Status = DrawUnicodeWeightAtCursorN (This, WString, Count);
- if (EFI_ERROR (Status)) {
- Warning = TRUE;
- }
-
- //
- // At the end of line, output carriage return and line feed
- //
- WString += Count;
- This->Mode->CursorColumn += (INT32)Index;
- if (This->Mode->CursorColumn > (INT32)MaxColumn) {
- This->Mode->CursorColumn -= 2;
- This->OutputString (This, SpaceStr);
- }
-
- if (This->Mode->CursorColumn >= (INT32)MaxColumn) {
- FlushCursor (This);
- This->OutputString (This, mCrLfString);
- FlushCursor (This);
- }
- }
- }
-
- This->Mode->Attribute = OriginAttribute;
-
- FlushCursor (This);
-
- if (Warning) {
- Status = EFI_WARN_UNKNOWN_GLYPH;
- }
-
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-/**
- Verifies that all characters in a Unicode string can be output to the
- target device.
-
- Implements SIMPLE_TEXT_OUTPUT.TestString().
- If one of the characters in the *Wstring is neither valid valid Unicode
- drawing characters, not ASCII code, then this function will return
- EFI_UNSUPPORTED
-
- @param This Protocol instance pointer.
- @param WString The NULL-terminated Unicode string to be examined for the output
- device(s).
-
- @retval EFI_SUCCESS The device(s) are capable of rendering the output string.
- @retval EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be
- rendered by one or more of the output devices mapped
- by the EFI handle.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutTestString (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN CHAR16 *WString
- )
-{
- EFI_STATUS Status;
- UINT16 Count;
-
- EFI_IMAGE_OUTPUT *Blt;
-
- Blt = NULL;
- Count = 0;
-
- while (WString[Count] != 0) {
- Status = mHiiFont->GetGlyph (
- mHiiFont,
- WString[Count],
- NULL,
- &Blt,
- NULL
- );
- if (Blt != NULL) {
- FreePool (Blt);
- Blt = NULL;
- }
-
- Count++;
-
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Returns information for an available text mode that the output device(s)
- supports
-
- Implements SIMPLE_TEXT_OUTPUT.QueryMode().
- It returnes information for an available text mode that the Graphics Console supports.
- In this driver,we only support text mode 80x25, which is defined as mode 0.
-
- @param This Protocol instance pointer.
- @param ModeNumber The mode number to return information on.
- @param Columns The returned columns of the requested mode.
- @param Rows The returned rows of the requested mode.
-
- @retval EFI_SUCCESS The requested mode information is returned.
- @retval EFI_UNSUPPORTED The mode number is not valid.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutQueryMode (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN UINTN ModeNumber,
- OUT UINTN *Columns,
- OUT UINTN *Rows
- )
-{
- GRAPHICS_CONSOLE_DEV *Private;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- if (ModeNumber >= (UINTN)This->Mode->MaxMode) {
- return EFI_UNSUPPORTED;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
- Status = EFI_SUCCESS;
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
-
- *Columns = Private->ModeData[ModeNumber].Columns;
- *Rows = Private->ModeData[ModeNumber].Rows;
-
- if ((*Columns <= 0) || (*Rows <= 0)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-/**
- Sets the output device(s) to a specified mode.
-
- Implements SIMPLE_TEXT_OUTPUT.SetMode().
- Set the Graphics Console to a specified mode. In this driver, we only support mode 0.
-
- @param This Protocol instance pointer.
- @param ModeNumber The text mode to set.
-
- @retval EFI_SUCCESS The requested text mode is set.
- @retval EFI_DEVICE_ERROR The requested text mode cannot be set because of
- Graphics Console device error.
- @retval EFI_UNSUPPORTED The text mode number is not valid.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutSetMode (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN UINTN ModeNumber
- )
-{
- EFI_STATUS Status;
- GRAPHICS_CONSOLE_DEV *Private;
- GRAPHICS_CONSOLE_MODE_DATA *ModeData;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL *NewLineBuffer;
- UINT32 HorizontalResolution;
- UINT32 VerticalResolution;
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
- EFI_UGA_DRAW_PROTOCOL *UgaDraw;
- UINT32 ColorDepth;
- UINT32 RefreshRate;
- EFI_TPL OldTpl;
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
- GraphicsOutput = Private->GraphicsOutput;
- UgaDraw = Private->UgaDraw;
-
- //
- // Make sure the requested mode number is supported
- //
- if (ModeNumber >= (UINTN)This->Mode->MaxMode) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- ModeData = &(Private->ModeData[ModeNumber]);
-
- if ((ModeData->Columns <= 0) && (ModeData->Rows <= 0)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- //
- // If the mode has been set at least one other time, then LineBuffer will not be NULL
- //
- if (Private->LineBuffer != NULL) {
- //
- // If the new mode is the same as the old mode, then just return EFI_SUCCESS
- //
- if ((INT32)ModeNumber == This->Mode->Mode) {
- //
- // Clear the current text window on the current graphics console
- //
- This->ClearScreen (This);
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- //
- // Otherwise, the size of the text console and/or the GOP/UGA mode will be changed,
- // so erase the cursor, and free the LineBuffer for the current mode
- //
- FlushCursor (This);
-
- FreePool (Private->LineBuffer);
- }
-
- //
- // Attempt to allocate a line buffer for the requested mode number
- //
- NewLineBuffer = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * ModeData->Columns * EFI_GLYPH_WIDTH * EFI_GLYPH_HEIGHT);
-
- if (NewLineBuffer == NULL) {
- //
- // The new line buffer could not be allocated, so return an error.
- // No changes to the state of the current console have been made, so the current console is still valid
- //
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- //
- // Assign the current line buffer to the newly allocated line buffer
- //
- Private->LineBuffer = NewLineBuffer;
-
- if (GraphicsOutput != NULL) {
- if (ModeData->GopModeNumber != GraphicsOutput->Mode->Mode) {
- //
- // Either no graphics mode is currently set, or it is set to the wrong resolution, so set the new graphics mode
- //
- Status = GraphicsOutput->SetMode (GraphicsOutput, ModeData->GopModeNumber);
- if (EFI_ERROR (Status)) {
- //
- // The mode set operation failed
- //
- goto Done;
- }
- } else {
- //
- // The current graphics mode is correct, so simply clear the entire display
- //
- Status = GraphicsOutput->Blt (
- GraphicsOutput,
- &mGraphicsEfiColors[0],
- EfiBltVideoFill,
- 0,
- 0,
- 0,
- 0,
- ModeData->GopWidth,
- ModeData->GopHeight,
- 0
- );
- }
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- //
- // Get the current UGA Draw mode information
- //
- Status = UgaDraw->GetMode (
- UgaDraw,
- &HorizontalResolution,
- &VerticalResolution,
- &ColorDepth,
- &RefreshRate
- );
- if (EFI_ERROR (Status) || (HorizontalResolution != ModeData->GopWidth) || (VerticalResolution != ModeData->GopHeight)) {
- //
- // Either no graphics mode is currently set, or it is set to the wrong resolution, so set the new graphics mode
- //
- Status = UgaDraw->SetMode (
- UgaDraw,
- ModeData->GopWidth,
- ModeData->GopHeight,
- 32,
- 60
- );
- if (EFI_ERROR (Status)) {
- //
- // The mode set operation failed
- //
- goto Done;
- }
- } else {
- //
- // The current graphics mode is correct, so simply clear the entire display
- //
- Status = UgaDraw->Blt (
- UgaDraw,
- (EFI_UGA_PIXEL *)(UINTN)&mGraphicsEfiColors[0],
- EfiUgaVideoFill,
- 0,
- 0,
- 0,
- 0,
- ModeData->GopWidth,
- ModeData->GopHeight,
- 0
- );
- }
- }
-
- //
- // The new mode is valid, so commit the mode change
- //
- This->Mode->Mode = (INT32)ModeNumber;
-
- //
- // Move the text cursor to the upper left hand corner of the display and flush it
- //
- This->Mode->CursorColumn = 0;
- This->Mode->CursorRow = 0;
-
- FlushCursor (This);
-
- Status = EFI_SUCCESS;
-
-Done:
- gBS->RestoreTPL (OldTpl);
- return Status;
-}
-
-/**
- Sets the background and foreground colors for the OutputString () and
- ClearScreen () functions.
-
- Implements SIMPLE_TEXT_OUTPUT.SetAttribute().
-
- @param This Protocol instance pointer.
- @param Attribute The attribute to set. Bits 0..3 are the foreground
- color, and bits 4..6 are the background color.
- All other bits are undefined and must be zero.
-
- @retval EFI_SUCCESS The requested attribute is set.
- @retval EFI_DEVICE_ERROR The requested attribute cannot be set due to Graphics Console port error.
- @retval EFI_UNSUPPORTED The attribute requested is not defined.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutSetAttribute (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN UINTN Attribute
- )
-{
- EFI_TPL OldTpl;
-
- if ((Attribute | 0x7F) != 0x7F) {
- return EFI_UNSUPPORTED;
- }
-
- if ((INT32)Attribute == This->Mode->Attribute) {
- return EFI_SUCCESS;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
-
- FlushCursor (This);
-
- This->Mode->Attribute = (INT32)Attribute;
-
- FlushCursor (This);
-
- gBS->RestoreTPL (OldTpl);
-
- return EFI_SUCCESS;
-}
-
-/**
- Clears the output device(s) display to the currently selected background
- color.
-
- Implements SIMPLE_TEXT_OUTPUT.ClearScreen().
-
- @param This Protocol instance pointer.
-
- @retval EFI_SUCCESS The operation completed successfully.
- @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
- @retval EFI_UNSUPPORTED The output device is not in a valid text mode.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutClearScreen (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- GRAPHICS_CONSOLE_DEV *Private;
- GRAPHICS_CONSOLE_MODE_DATA *ModeData;
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
- EFI_UGA_DRAW_PROTOCOL *UgaDraw;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
- EFI_TPL OldTpl;
-
- if (This->Mode->Mode == -1) {
- //
- // If current mode is not valid, return error.
- //
- return EFI_UNSUPPORTED;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
- GraphicsOutput = Private->GraphicsOutput;
- UgaDraw = Private->UgaDraw;
- ModeData = &(Private->ModeData[This->Mode->Mode]);
-
- GetTextColors (This, &Foreground, &Background);
- if (GraphicsOutput != NULL) {
- Status = GraphicsOutput->Blt (
- GraphicsOutput,
- &Background,
- EfiBltVideoFill,
- 0,
- 0,
- 0,
- 0,
- ModeData->GopWidth,
- ModeData->GopHeight,
- 0
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- Status = UgaDraw->Blt (
- UgaDraw,
- (EFI_UGA_PIXEL *)(UINTN)&Background,
- EfiUgaVideoFill,
- 0,
- 0,
- 0,
- 0,
- ModeData->GopWidth,
- ModeData->GopHeight,
- 0
- );
- } else {
- Status = EFI_UNSUPPORTED;
- }
-
- This->Mode->CursorColumn = 0;
- This->Mode->CursorRow = 0;
-
- FlushCursor (This);
-
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Sets the current coordinates of the cursor position.
-
- Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().
-
- @param This Protocol instance pointer.
- @param Column The position to set the cursor to. Must be greater than or
- equal to zero and less than the number of columns and rows
- by QueryMode ().
- @param Row The position to set the cursor to. Must be greater than or
- equal to zero and less than the number of columns and rows
- by QueryMode ().
-
- @retval EFI_SUCCESS The operation completed successfully.
- @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
- @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the
- cursor position is invalid for the current mode.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutSetCursorPosition (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN UINTN Column,
- IN UINTN Row
- )
-{
- GRAPHICS_CONSOLE_DEV *Private;
- GRAPHICS_CONSOLE_MODE_DATA *ModeData;
- EFI_STATUS Status;
- EFI_TPL OldTpl;
-
- if (This->Mode->Mode == -1) {
- //
- // If current mode is not valid, return error.
- //
- return EFI_UNSUPPORTED;
- }
-
- Status = EFI_SUCCESS;
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
- ModeData = &(Private->ModeData[This->Mode->Mode]);
-
- if ((Column >= ModeData->Columns) || (Row >= ModeData->Rows)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- if ((This->Mode->CursorColumn == (INT32)Column) && (This->Mode->CursorRow == (INT32)Row)) {
- Status = EFI_SUCCESS;
- goto Done;
- }
-
- FlushCursor (This);
-
- This->Mode->CursorColumn = (INT32)Column;
- This->Mode->CursorRow = (INT32)Row;
-
- FlushCursor (This);
-
-Done:
- gBS->RestoreTPL (OldTpl);
-
- return Status;
-}
-
-/**
- Makes the cursor visible or invisible.
-
- Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
-
- @param This Protocol instance pointer.
- @param Visible If TRUE, the cursor is set to be visible, If FALSE,
- the cursor is set to be invisible.
-
- @retval EFI_SUCCESS The operation completed successfully.
- @retval EFI_UNSUPPORTED The output device's mode is not currently in a
- defined text mode.
-
-**/
-EFI_STATUS
-EFIAPI
-GraphicsConsoleConOutEnableCursor (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN BOOLEAN Visible
- )
-{
- EFI_TPL OldTpl;
-
- if (This->Mode->Mode == -1) {
- //
- // If current mode is not valid, return error.
- //
- return EFI_UNSUPPORTED;
- }
-
- OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
-
- FlushCursor (This);
-
- This->Mode->CursorVisible = Visible;
-
- FlushCursor (This);
-
- gBS->RestoreTPL (OldTpl);
- return EFI_SUCCESS;
-}
-
-/**
- Gets Graphics Console device's foreground color and background color.
-
- @param This Protocol instance pointer.
- @param Foreground Returned text foreground color.
- @param Background Returned text background color.
-
- @retval EFI_SUCCESS It returned always.
-
-**/
-EFI_STATUS
-GetTextColors (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Foreground,
- OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background
- )
-{
- INTN Attribute;
-
- Attribute = This->Mode->Attribute & 0x7F;
-
- *Foreground = mGraphicsEfiColors[Attribute & 0x0f];
- *Background = mGraphicsEfiColors[Attribute >> 4];
-
- return EFI_SUCCESS;
-}
-
-/**
- Draw Unicode string on the Graphics Console device's screen.
-
- @param This Protocol instance pointer.
- @param UnicodeWeight One Unicode string to be displayed.
- @param Count The count of Unicode string.
-
- @retval EFI_OUT_OF_RESOURCES If no memory resource to use.
- @retval EFI_UNSUPPORTED If no Graphics Output protocol and UGA Draw
- protocol exist.
- @retval EFI_SUCCESS Drawing Unicode string implemented successfully.
-
-**/
-EFI_STATUS
-DrawUnicodeWeightAtCursorN (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
- IN CHAR16 *UnicodeWeight,
- IN UINTN Count
- )
-{
- EFI_STATUS Status;
- GRAPHICS_CONSOLE_DEV *Private;
- EFI_IMAGE_OUTPUT *Blt;
- EFI_STRING String;
- EFI_FONT_DISPLAY_INFO *FontInfo;
- EFI_UGA_DRAW_PROTOCOL *UgaDraw;
- EFI_HII_ROW_INFO *RowInfoArray;
- UINTN RowInfoArraySize;
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
- Blt = (EFI_IMAGE_OUTPUT *)AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT));
- if (Blt == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Blt->Width = (UINT16)(Private->ModeData[This->Mode->Mode].GopWidth);
- Blt->Height = (UINT16)(Private->ModeData[This->Mode->Mode].GopHeight);
-
- String = AllocateCopyPool ((Count + 1) * sizeof (CHAR16), UnicodeWeight);
- if (String == NULL) {
- FreePool (Blt);
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // Set the end character
- //
- *(String + Count) = L'\0';
-
- FontInfo = (EFI_FONT_DISPLAY_INFO *)AllocateZeroPool (sizeof (EFI_FONT_DISPLAY_INFO));
- if (FontInfo == NULL) {
- FreePool (Blt);
- FreePool (String);
- return EFI_OUT_OF_RESOURCES;
- }
-
- //
- // Get current foreground and background colors.
- //
- GetTextColors (This, &FontInfo->ForegroundColor, &FontInfo->BackgroundColor);
-
- if (Private->GraphicsOutput != NULL) {
- //
- // If Graphics Output protocol exists, using HII Font protocol to draw.
- //
- Blt->Image.Screen = Private->GraphicsOutput;
-
- Status = mHiiFont->StringToImage (
- mHiiFont,
- EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_DIRECT_TO_SCREEN | EFI_HII_IGNORE_LINE_BREAK,
- String,
- FontInfo,
- &Blt,
- This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
- This->Mode->CursorRow * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
- NULL,
- NULL,
- NULL
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- //
- // If Graphics Output protocol cannot be found and PcdUgaConsumeSupport enabled,
- // using UGA Draw protocol to draw.
- //
- ASSERT (Private->UgaDraw != NULL);
-
- UgaDraw = Private->UgaDraw;
-
- Blt->Image.Bitmap = AllocateZeroPool (Blt->Width * Blt->Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
- if (Blt->Image.Bitmap == NULL) {
- FreePool (Blt);
- FreePool (String);
- return EFI_OUT_OF_RESOURCES;
- }
-
- RowInfoArray = NULL;
- //
- // StringToImage only support blt'ing image to device using GOP protocol. If GOP is not supported in this platform,
- // we ask StringToImage to print the string to blt buffer, then blt to device using UgaDraw.
- //
- Status = mHiiFont->StringToImage (
- mHiiFont,
- EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_IGNORE_LINE_BREAK,
- String,
- FontInfo,
- &Blt,
- This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
- This->Mode->CursorRow * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
- &RowInfoArray,
- &RowInfoArraySize,
- NULL
- );
-
- if (!EFI_ERROR (Status)) {
- //
- // Line breaks are handled by caller of DrawUnicodeWeightAtCursorN, so the updated parameter RowInfoArraySize by StringToImage will
- // always be 1 or 0 (if there is no valid Unicode Char can be printed). ASSERT here to make sure.
- //
- ASSERT (RowInfoArraySize <= 1);
-
- Status = UgaDraw->Blt (
- UgaDraw,
- (EFI_UGA_PIXEL *)Blt->Image.Bitmap,
- EfiUgaBltBufferToVideo,
- This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
- (This->Mode->CursorRow) * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
- This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
- (This->Mode->CursorRow) * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
- RowInfoArray[0].LineWidth,
- RowInfoArray[0].LineHeight,
- Blt->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
- );
- }
-
- FreePool (RowInfoArray);
- FreePool (Blt->Image.Bitmap);
- } else {
- Status = EFI_UNSUPPORTED;
- }
-
- if (Blt != NULL) {
- FreePool (Blt);
- }
-
- if (String != NULL) {
- FreePool (String);
- }
-
- if (FontInfo != NULL) {
- FreePool (FontInfo);
- }
-
- return Status;
-}
-
-/**
- Flush the cursor on the screen.
-
- If CursorVisible is FALSE, nothing to do and return directly.
- If CursorVisible is TRUE,
- i) If the cursor shows on screen, it will be erased.
- ii) If the cursor does not show on screen, it will be shown.
-
- @param This Protocol instance pointer.
-
- @retval EFI_SUCCESS The cursor is erased successfully.
-
-**/
-EFI_STATUS
-FlushCursor (
- IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
- )
-{
- GRAPHICS_CONSOLE_DEV *Private;
- EFI_SIMPLE_TEXT_OUTPUT_MODE *CurrentMode;
- INTN GlyphX;
- INTN GlyphY;
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
- EFI_UGA_DRAW_PROTOCOL *UgaDraw;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Foreground;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Background;
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION BltChar[EFI_GLYPH_HEIGHT][EFI_GLYPH_WIDTH];
- UINTN PosX;
- UINTN PosY;
-
- CurrentMode = This->Mode;
-
- if (!CurrentMode->CursorVisible) {
- return EFI_SUCCESS;
- }
-
- Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
- GraphicsOutput = Private->GraphicsOutput;
- UgaDraw = Private->UgaDraw;
-
- //
- // In this driver, only narrow character was supported.
- //
- //
- // Blt a character to the screen
- //
- GlyphX = (CurrentMode->CursorColumn * EFI_GLYPH_WIDTH) + Private->ModeData[CurrentMode->Mode].DeltaX;
- GlyphY = (CurrentMode->CursorRow * EFI_GLYPH_HEIGHT) + Private->ModeData[CurrentMode->Mode].DeltaY;
- if (GraphicsOutput != NULL) {
- GraphicsOutput->Blt (
- GraphicsOutput,
- (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)BltChar,
- EfiBltVideoToBltBuffer,
- GlyphX,
- GlyphY,
- 0,
- 0,
- EFI_GLYPH_WIDTH,
- EFI_GLYPH_HEIGHT,
- EFI_GLYPH_WIDTH * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- UgaDraw->Blt (
- UgaDraw,
- (EFI_UGA_PIXEL *)(UINTN)BltChar,
- EfiUgaVideoToBltBuffer,
- GlyphX,
- GlyphY,
- 0,
- 0,
- EFI_GLYPH_WIDTH,
- EFI_GLYPH_HEIGHT,
- EFI_GLYPH_WIDTH * sizeof (EFI_UGA_PIXEL)
- );
- }
-
- GetTextColors (This, &Foreground.Pixel, &Background.Pixel);
-
- //
- // Convert Monochrome bitmap of the Glyph to BltBuffer structure
- //
- for (PosY = 0; PosY < EFI_GLYPH_HEIGHT; PosY++) {
- for (PosX = 0; PosX < EFI_GLYPH_WIDTH; PosX++) {
- if ((mCursorGlyph.GlyphCol1[PosY] & (BIT0 << PosX)) != 0) {
- BltChar[PosY][EFI_GLYPH_WIDTH - PosX - 1].Raw ^= Foreground.Raw;
- }
- }
- }
-
- if (GraphicsOutput != NULL) {
- GraphicsOutput->Blt (
- GraphicsOutput,
- (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)BltChar,
- EfiBltBufferToVideo,
- 0,
- 0,
- GlyphX,
- GlyphY,
- EFI_GLYPH_WIDTH,
- EFI_GLYPH_HEIGHT,
- EFI_GLYPH_WIDTH * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
- );
- } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
- UgaDraw->Blt (
- UgaDraw,
- (EFI_UGA_PIXEL *)(UINTN)BltChar,
- EfiUgaBltBufferToVideo,
- 0,
- 0,
- GlyphX,
- GlyphY,
- EFI_GLYPH_WIDTH,
- EFI_GLYPH_HEIGHT,
- EFI_GLYPH_WIDTH * sizeof (EFI_UGA_PIXEL)
- );
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- HII Database Protocol notification event handler.
-
- Register font package when HII Database Protocol has been installed.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context Pointer to the notification function's context.
-**/
-VOID
-EFIAPI
-RegisterFontPackage (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- EFI_HII_SIMPLE_FONT_PACKAGE_HDR *SimplifiedFont;
- UINT32 PackageLength;
- UINT8 *Package;
- UINT8 *Location;
- EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
-
- //
- // Locate HII Database Protocol
- //
- Status = gBS->LocateProtocol (
- &gEfiHiiDatabaseProtocolGuid,
- NULL,
- (VOID **)&HiiDatabase
- );
- if (EFI_ERROR (Status)) {
- return;
- }
-
- //
- // Add 4 bytes to the header for entire length for HiiAddPackages use only.
- //
- // +--------------------------------+ <-- Package
- // | |
- // | PackageLength(4 bytes) |
- // | |
- // |--------------------------------| <-- SimplifiedFont
- // | |
- // |EFI_HII_SIMPLE_FONT_PACKAGE_HDR |
- // | |
- // |--------------------------------| <-- Location
- // | |
- // | gUsStdNarrowGlyphData |
- // | |
- // +--------------------------------+
-
- PackageLength = sizeof (EFI_HII_SIMPLE_FONT_PACKAGE_HDR) + mNarrowFontSize + 4;
- Package = AllocateZeroPool (PackageLength);
- ASSERT (Package != NULL);
-
- WriteUnaligned32 ((UINT32 *)Package, PackageLength);
- SimplifiedFont = (EFI_HII_SIMPLE_FONT_PACKAGE_HDR *)(Package + 4);
- SimplifiedFont->Header.Length = (UINT32)(PackageLength - 4);
- SimplifiedFont->Header.Type = EFI_HII_PACKAGE_SIMPLE_FONTS;
- SimplifiedFont->NumberOfNarrowGlyphs = (UINT16)(mNarrowFontSize / sizeof (EFI_NARROW_GLYPH));
-
- Location = (UINT8 *)(&SimplifiedFont->NumberOfWideGlyphs + 1);
- CopyMem (Location, gUsStdNarrowGlyphData, mNarrowFontSize);
-
- //
- // Add this simplified font package to a package list then install it.
- //
- mHiiHandle = HiiAddPackages (
- &mFontPackageListGuid,
- NULL,
- Package,
- NULL
- );
- ASSERT (mHiiHandle != NULL);
- FreePool (Package);
-}
-
-/**
- The user Entry Point for module GraphicsConsole. The user code starts with this function.
-
- @param[in] ImageHandle The firmware allocated handle for the EFI image.
- @param[in] SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The entry point is executed successfully.
- @return other Some error occurs when executing this entry point.
-
-**/
-EFI_STATUS
-EFIAPI
-InitializeGraphicsConsole (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- //
- // Register notify function on HII Database Protocol to add font package.
- //
- EfiCreateProtocolNotifyEvent (
- &gEfiHiiDatabaseProtocolGuid,
- TPL_CALLBACK,
- RegisterFontPackage,
- NULL,
- &mHiiRegistration
- );
-
- //
- // Install driver model protocol(s).
- //
- Status = EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gGraphicsConsoleDriverBinding,
- ImageHandle,
- &gGraphicsConsoleComponentName,
- &gGraphicsConsoleComponentName2
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
+/** @file
+ This is the main routine for initializing the Graphics Console support routines.
+
+Copyright (c) 2006 - 2022, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "GraphicsConsole.h"
+
+//
+// Graphics Console Device Private Data template
+//
+GRAPHICS_CONSOLE_DEV mGraphicsConsoleDevTemplate = {
+ GRAPHICS_CONSOLE_DEV_SIGNATURE,
+ (EFI_GRAPHICS_OUTPUT_PROTOCOL *)NULL,
+ (EFI_UGA_DRAW_PROTOCOL *)NULL,
+ {
+ GraphicsConsoleConOutReset,
+ GraphicsConsoleConOutOutputString,
+ GraphicsConsoleConOutTestString,
+ GraphicsConsoleConOutQueryMode,
+ GraphicsConsoleConOutSetMode,
+ GraphicsConsoleConOutSetAttribute,
+ GraphicsConsoleConOutClearScreen,
+ GraphicsConsoleConOutSetCursorPosition,
+ GraphicsConsoleConOutEnableCursor,
+ (EFI_SIMPLE_TEXT_OUTPUT_MODE *)NULL
+ },
+ {
+ 0,
+ -1,
+ EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK),
+ 0,
+ 0,
+ FALSE
+ },
+ (GRAPHICS_CONSOLE_MODE_DATA *)NULL,
+ (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)NULL
+};
+
+GRAPHICS_CONSOLE_MODE_DATA mGraphicsConsoleModeData[] = {
+ { 100, 31 }, // 800 x 600
+ { 128, 40 }, // 1024 x 768
+ { 160, 42 }, // 1280 x 800
+ { 240, 56 }, // 1920 x 1080
+ //
+ // New modes can be added here.
+ // The last entry is specific for full screen mode.
+ //
+ { 0, 0 }
+};
+
+EFI_HII_DATABASE_PROTOCOL *mHiiDatabase;
+EFI_HII_FONT_PROTOCOL *mHiiFont;
+EFI_HII_HANDLE mHiiHandle;
+VOID *mHiiRegistration;
+
+EFI_GUID mFontPackageListGuid = {
+ 0xf5f219d3, 0x7006, 0x4648, { 0xac, 0x8d, 0xd6, 0x1d, 0xfb, 0x7b, 0xc6, 0xad }
+};
+
+CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };
+
+EFI_GRAPHICS_OUTPUT_BLT_PIXEL mGraphicsEfiColors[16] = {
+ //
+ // B G R reserved
+ //
+ { 0x00, 0x00, 0x00, 0x00 }, // BLACK
+ { 0x98, 0x00, 0x00, 0x00 }, // LIGHTBLUE
+ { 0x00, 0x98, 0x00, 0x00 }, // LIGHGREEN
+ { 0x98, 0x98, 0x00, 0x00 }, // LIGHCYAN
+ { 0x00, 0x00, 0x98, 0x00 }, // LIGHRED
+ { 0x98, 0x00, 0x98, 0x00 }, // MAGENTA
+ { 0x00, 0x98, 0x98, 0x00 }, // BROWN
+ { 0x98, 0x98, 0x98, 0x00 }, // LIGHTGRAY
+ { 0x30, 0x30, 0x30, 0x00 }, // DARKGRAY - BRIGHT BLACK
+ { 0xff, 0x00, 0x00, 0x00 }, // BLUE
+ { 0x00, 0xff, 0x00, 0x00 }, // LIME
+ { 0xff, 0xff, 0x00, 0x00 }, // CYAN
+ { 0x00, 0x00, 0xff, 0x00 }, // RED
+ { 0xff, 0x00, 0xff, 0x00 }, // FUCHSIA
+ { 0x00, 0xff, 0xff, 0x00 }, // YELLOW
+ { 0xff, 0xff, 0xff, 0x00 } // WHITE
+};
+
+EFI_NARROW_GLYPH mCursorGlyph = {
+ 0x0000,
+ 0x00,
+ { 0x00,0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF }
+};
+
+CHAR16 SpaceStr[] = { NARROW_CHAR, ' ', 0 };
+
+EFI_DRIVER_BINDING_PROTOCOL gGraphicsConsoleDriverBinding = {
+ GraphicsConsoleControllerDriverSupported,
+ GraphicsConsoleControllerDriverStart,
+ GraphicsConsoleControllerDriverStop,
+ 0xa,
+ NULL,
+ NULL
+};
+
+/**
+ Test to see if Graphics Console could be supported on the Controller.
+
+ Graphics Console could be supported if Graphics Output Protocol or UGA Draw
+ Protocol exists on the Controller. (UGA Draw Protocol could be skipped
+ if PcdUgaConsumeSupport is set to FALSE.)
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to test.
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver supports this device.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleControllerDriverSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_DEVICE_PATH_PROTOCOL *DevicePath;
+
+ GraphicsOutput = NULL;
+ UgaDraw = NULL;
+ //
+ // Open the IO Abstraction(s) needed to perform the supported test
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiGraphicsOutputProtocolGuid,
+ (VOID **)&GraphicsOutput,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+
+ if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
+ //
+ // Open Graphics Output Protocol failed, try to open UGA Draw Protocol
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiUgaDrawProtocolGuid,
+ (VOID **)&UgaDraw,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // We need to ensure that we do not layer on top of a virtual handle.
+ // We need to ensure that the handles produced by the conspliter do not
+ // get used.
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **)&DevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (!EFI_ERROR (Status)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ } else {
+ goto Error;
+ }
+
+ //
+ // Does Hii Exist? If not, we aren't ready to run
+ //
+ Status = EfiLocateHiiProtocol ();
+
+ //
+ // Close the I/O Abstraction(s) used to perform the supported test
+ //
+Error:
+ if (GraphicsOutput != NULL) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiGraphicsOutputProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiUgaDrawProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ }
+
+ return Status;
+}
+
+/**
+ Initialize all the text modes which the graphics console supports.
+
+ It returns information for available text modes that the graphics can support.
+
+ @param[in] HorizontalResolution The size of video screen in pixels in the X dimension.
+ @param[in] VerticalResolution The size of video screen in pixels in the Y dimension.
+ @param[in] GopModeNumber The graphics mode number which graphics console is based on.
+ @param[out] TextModeCount The total number of text modes that graphics console supports.
+ @param[out] TextModeData The buffer to the text modes column and row information.
+ Caller is responsible to free it when it's non-NULL.
+
+ @retval EFI_SUCCESS The supporting mode information is returned.
+ @retval EFI_INVALID_PARAMETER The parameters are invalid.
+
+**/
+EFI_STATUS
+InitializeGraphicsConsoleTextMode (
+ IN UINT32 HorizontalResolution,
+ IN UINT32 VerticalResolution,
+ IN UINT32 GopModeNumber,
+ OUT UINTN *TextModeCount,
+ OUT GRAPHICS_CONSOLE_MODE_DATA **TextModeData
+ )
+{
+ UINTN Index;
+ UINTN Count;
+ GRAPHICS_CONSOLE_MODE_DATA *ModeBuffer;
+ GRAPHICS_CONSOLE_MODE_DATA *NewModeBuffer;
+ UINTN ValidCount;
+ UINTN ValidIndex;
+ UINTN MaxColumns;
+ UINTN MaxRows;
+
+ if ((TextModeCount == NULL) || (TextModeData == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ Count = sizeof (mGraphicsConsoleModeData) / sizeof (GRAPHICS_CONSOLE_MODE_DATA);
+
+ //
+ // Compute the maximum number of text Rows and Columns that this current graphics mode can support.
+ // To make graphics console work well, MaxColumns and MaxRows should not be zero.
+ //
+ MaxColumns = HorizontalResolution / EFI_GLYPH_WIDTH;
+ MaxRows = VerticalResolution / EFI_GLYPH_HEIGHT;
+
+ //
+ // According to UEFI spec, all output devices support at least 80x25 text mode.
+ //
+ ASSERT ((MaxColumns >= 80) && (MaxRows >= 25));
+
+ //
+ // Add full screen mode to the last entry.
+ //
+ mGraphicsConsoleModeData[Count - 1].Columns = MaxColumns;
+ mGraphicsConsoleModeData[Count - 1].Rows = MaxRows;
+
+ //
+ // Get defined mode buffer pointer.
+ //
+ ModeBuffer = mGraphicsConsoleModeData;
+
+ //
+ // Here we make sure that the final mode exposed does not include the duplicated modes,
+ // and does not include the invalid modes which exceed the max column and row.
+ // Reserve 2 modes for 80x25, 80x50 of graphics console.
+ //
+ NewModeBuffer = AllocateZeroPool (sizeof (GRAPHICS_CONSOLE_MODE_DATA) * (Count + 2));
+ ASSERT (NewModeBuffer != NULL);
+
+ //
+ // Mode 0 and mode 1 is for 80x25, 80x50 according to UEFI spec.
+ //
+ ValidCount = 0;
+
+ NewModeBuffer[ValidCount].Columns = 80;
+ NewModeBuffer[ValidCount].Rows = 25;
+ NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;
+ NewModeBuffer[ValidCount].GopHeight = VerticalResolution;
+ NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;
+ NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (NewModeBuffer[ValidCount].Columns * EFI_GLYPH_WIDTH)) >> 1;
+ NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (NewModeBuffer[ValidCount].Rows * EFI_GLYPH_HEIGHT)) >> 1;
+ ValidCount++;
+
+ if ((MaxColumns >= 80) && (MaxRows >= 50)) {
+ NewModeBuffer[ValidCount].Columns = 80;
+ NewModeBuffer[ValidCount].Rows = 50;
+ NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (80 * EFI_GLYPH_WIDTH)) >> 1;
+ NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (50 * EFI_GLYPH_HEIGHT)) >> 1;
+ }
+
+ NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;
+ NewModeBuffer[ValidCount].GopHeight = VerticalResolution;
+ NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;
+ ValidCount++;
+
+ //
+ // Start from mode 2 to put the valid mode other than 80x25 and 80x50 in the output mode buffer.
+ //
+ for (Index = 0; Index < Count; Index++) {
+ if ((ModeBuffer[Index].Columns == 0) || (ModeBuffer[Index].Rows == 0) ||
+ (ModeBuffer[Index].Columns > MaxColumns) || (ModeBuffer[Index].Rows > MaxRows))
+ {
+ //
+ // Skip the pre-defined mode which is invalid or exceeds the max column and row.
+ //
+ continue;
+ }
+
+ for (ValidIndex = 0; ValidIndex < ValidCount; ValidIndex++) {
+ if ((ModeBuffer[Index].Columns == NewModeBuffer[ValidIndex].Columns) &&
+ (ModeBuffer[Index].Rows == NewModeBuffer[ValidIndex].Rows))
+ {
+ //
+ // Skip the duplicated mode.
+ //
+ break;
+ }
+ }
+
+ if (ValidIndex == ValidCount) {
+ NewModeBuffer[ValidCount].Columns = ModeBuffer[Index].Columns;
+ NewModeBuffer[ValidCount].Rows = ModeBuffer[Index].Rows;
+ NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;
+ NewModeBuffer[ValidCount].GopHeight = VerticalResolution;
+ NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;
+ NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (NewModeBuffer[ValidCount].Columns * EFI_GLYPH_WIDTH)) >> 1;
+ NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (NewModeBuffer[ValidCount].Rows * EFI_GLYPH_HEIGHT)) >> 1;
+ ValidCount++;
+ }
+ }
+
+ DEBUG_CODE_BEGIN ();
+ for (Index = 0; Index < ValidCount; Index++) {
+ DEBUG ((
+ DEBUG_INFO,
+ "Graphics - Mode %d, Column = %d, Row = %d\n",
+ Index,
+ NewModeBuffer[Index].Columns,
+ NewModeBuffer[Index].Rows
+ ));
+ }
+
+ DEBUG_CODE_END ();
+
+ //
+ // Return valid mode count and mode information buffer.
+ //
+ *TextModeCount = ValidCount;
+ *TextModeData = NewModeBuffer;
+ return EFI_SUCCESS;
+}
+
+/**
+ Start this driver on Controller by opening Graphics Output protocol or
+ UGA Draw protocol, and installing Simple Text Out protocol on Controller.
+ (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to bind driver to
+ @param RemainingDevicePath Optional parameter use to pick a specific child
+ device to start.
+
+ @retval EFI_SUCCESS This driver is added to Controller.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleControllerDriverStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ GRAPHICS_CONSOLE_DEV *Private;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+ UINT32 ModeIndex;
+ UINTN MaxMode;
+ UINT32 ModeNumber;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;
+ UINTN SizeOfInfo;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+ INT32 PreferMode;
+ INT32 Index;
+ UINTN Column;
+ UINTN Row;
+ UINTN DefaultColumn;
+ UINTN DefaultRow;
+
+ ModeNumber = 0;
+
+ //
+ // Initialize the Graphics Console device instance
+ //
+ Private = AllocateCopyPool (
+ sizeof (GRAPHICS_CONSOLE_DEV),
+ &mGraphicsConsoleDevTemplate
+ );
+ if (Private == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Private->SimpleTextOutput.Mode = &(Private->SimpleTextOutputMode);
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiGraphicsOutputProtocolGuid,
+ (VOID **)&Private->GraphicsOutput,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+
+ if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiUgaDrawProtocolGuid,
+ (VOID **)&Private->UgaDraw,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+
+ HorizontalResolution = PcdGet32 (PcdVideoHorizontalResolution);
+ VerticalResolution = PcdGet32 (PcdVideoVerticalResolution);
+
+ if (Private->GraphicsOutput != NULL) {
+ //
+ // The console is build on top of Graphics Output Protocol, find the mode number
+ // for the user-defined mode; if there are multiple video devices,
+ // graphic console driver will set all the video devices to the same mode.
+ //
+ if ((HorizontalResolution == 0x0) || (VerticalResolution == 0x0)) {
+ //
+ // Find the highest resolution which GOP supports.
+ //
+ MaxMode = Private->GraphicsOutput->Mode->MaxMode;
+
+ for (ModeIndex = 0; ModeIndex < MaxMode; ModeIndex++) {
+ Status = Private->GraphicsOutput->QueryMode (
+ Private->GraphicsOutput,
+ ModeIndex,
+ &SizeOfInfo,
+ &Info
+ );
+ if (!EFI_ERROR (Status)) {
+ if ((Info->HorizontalResolution > HorizontalResolution) ||
+ ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution > VerticalResolution)))
+ {
+ HorizontalResolution = Info->HorizontalResolution;
+ VerticalResolution = Info->VerticalResolution;
+ ModeNumber = ModeIndex;
+ }
+
+ FreePool (Info);
+ }
+ }
+
+ if ((HorizontalResolution == 0x0) || (VerticalResolution == 0x0)) {
+ Status = EFI_UNSUPPORTED;
+ goto Error;
+ }
+ } else {
+ //
+ // Use user-defined resolution
+ //
+ Status = CheckModeSupported (
+ Private->GraphicsOutput,
+ HorizontalResolution,
+ VerticalResolution,
+ &ModeNumber
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // if not supporting current mode, try 800x600 which is required by UEFI/EFI spec
+ //
+ HorizontalResolution = 800;
+ VerticalResolution = 600;
+ Status = CheckModeSupported (
+ Private->GraphicsOutput,
+ HorizontalResolution,
+ VerticalResolution,
+ &ModeNumber
+ );
+ Mode = Private->GraphicsOutput->Mode;
+ if (EFI_ERROR (Status) && (Mode->MaxMode != 0)) {
+ //
+ // If set default mode failed or device doesn't support default mode, then get the current mode information
+ //
+ HorizontalResolution = Mode->Info->HorizontalResolution;
+ VerticalResolution = Mode->Info->VerticalResolution;
+ ModeNumber = Mode->Mode;
+ }
+ }
+ }
+
+ if (EFI_ERROR (Status) || (ModeNumber != Private->GraphicsOutput->Mode->Mode)) {
+ //
+ // Current graphics mode is not set or is not set to the mode which we have found,
+ // set the new graphic mode.
+ //
+ Status = Private->GraphicsOutput->SetMode (Private->GraphicsOutput, ModeNumber);
+ if (EFI_ERROR (Status)) {
+ //
+ // The mode set operation failed
+ //
+ goto Error;
+ }
+ }
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ //
+ // At first try to set user-defined resolution
+ //
+ ColorDepth = 32;
+ RefreshRate = 60;
+ Status = Private->UgaDraw->SetMode (
+ Private->UgaDraw,
+ HorizontalResolution,
+ VerticalResolution,
+ ColorDepth,
+ RefreshRate
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Try to set 800*600 which is required by UEFI/EFI spec
+ //
+ Status = Private->UgaDraw->SetMode (
+ Private->UgaDraw,
+ 800,
+ 600,
+ ColorDepth,
+ RefreshRate
+ );
+ if (EFI_ERROR (Status)) {
+ Status = Private->UgaDraw->GetMode (
+ Private->UgaDraw,
+ &HorizontalResolution,
+ &VerticalResolution,
+ &ColorDepth,
+ &RefreshRate
+ );
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+ }
+ }
+ }
+
+ DEBUG ((DEBUG_INFO, "GraphicsConsole video resolution %d x %d\n", HorizontalResolution, VerticalResolution));
+
+ //
+ // Initialize the mode which GraphicsConsole supports.
+ //
+ Status = InitializeGraphicsConsoleTextMode (
+ HorizontalResolution,
+ VerticalResolution,
+ ModeNumber,
+ &MaxMode,
+ &Private->ModeData
+ );
+
+ if (EFI_ERROR (Status)) {
+ goto Error;
+ }
+
+ //
+ // Update the maximum number of modes
+ //
+ Private->SimpleTextOutputMode.MaxMode = (INT32)MaxMode;
+
+ //
+ // Initialize the Mode of graphics console devices
+ //
+ PreferMode = -1;
+ DefaultColumn = PcdGet32 (PcdConOutColumn);
+ DefaultRow = PcdGet32 (PcdConOutRow);
+ Column = 0;
+ Row = 0;
+ for (Index = 0; Index < (INT32)MaxMode; Index++) {
+ if ((DefaultColumn != 0) && (DefaultRow != 0)) {
+ if ((Private->ModeData[Index].Columns == DefaultColumn) &&
+ (Private->ModeData[Index].Rows == DefaultRow))
+ {
+ PreferMode = Index;
+ break;
+ }
+ } else {
+ if ((Private->ModeData[Index].Columns > Column) &&
+ (Private->ModeData[Index].Rows > Row))
+ {
+ Column = Private->ModeData[Index].Columns;
+ Row = Private->ModeData[Index].Rows;
+ PreferMode = Index;
+ }
+ }
+ }
+
+ Private->SimpleTextOutput.Mode->Mode = (INT32)PreferMode;
+ DEBUG ((DEBUG_INFO, "Graphics Console Started, Mode: %d\n", PreferMode));
+
+ //
+ // Install protocol interfaces for the Graphics Console device.
+ //
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Controller,
+ &gEfiSimpleTextOutProtocolGuid,
+ &Private->SimpleTextOutput,
+ NULL
+ );
+
+Error:
+ if (EFI_ERROR (Status)) {
+ //
+ // Close the GOP and UGA Draw Protocol
+ //
+ if (Private->GraphicsOutput != NULL) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiGraphicsOutputProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiUgaDrawProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ }
+
+ if (Private->LineBuffer != NULL) {
+ FreePool (Private->LineBuffer);
+ }
+
+ if (Private->ModeData != NULL) {
+ FreePool (Private->ModeData);
+ }
+
+ //
+ // Free private data
+ //
+ FreePool (Private);
+ }
+
+ return Status;
+}
+
+/**
+ Stop this driver on Controller by removing Simple Text Out protocol
+ and closing the Graphics Output Protocol or UGA Draw protocol on Controller.
+ (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)
+
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to stop driver on
+ @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
+ children is zero stop the entire bus driver.
+ @param ChildHandleBuffer List of Child Handles to Stop.
+
+ @retval EFI_SUCCESS This driver is removed Controller.
+ @retval EFI_NOT_STARTED Simple Text Out protocol could not be found the
+ Controller.
+ @retval other This driver was not removed from this device.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleControllerDriverStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOutput;
+ GRAPHICS_CONSOLE_DEV *Private;
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiSimpleTextOutProtocolGuid,
+ (VOID **)&SimpleTextOutput,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return EFI_NOT_STARTED;
+ }
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (SimpleTextOutput);
+
+ Status = gBS->UninstallProtocolInterface (
+ Controller,
+ &gEfiSimpleTextOutProtocolGuid,
+ &Private->SimpleTextOutput
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Close the GOP or UGA IO Protocol
+ //
+ if (Private->GraphicsOutput != NULL) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiGraphicsOutputProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiUgaDrawProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ }
+
+ if (Private->LineBuffer != NULL) {
+ FreePool (Private->LineBuffer);
+ }
+
+ if (Private->ModeData != NULL) {
+ FreePool (Private->ModeData);
+ }
+
+ //
+ // Free our instance data
+ //
+ FreePool (Private);
+ }
+
+ return Status;
+}
+
+/**
+ Check if the current specific mode supported the user defined resolution
+ for the Graphics Console device based on Graphics Output Protocol.
+
+ If yes, set the graphic device's current mode to this specific mode.
+
+ @param GraphicsOutput Graphics Output Protocol instance pointer.
+ @param HorizontalResolution User defined horizontal resolution
+ @param VerticalResolution User defined vertical resolution.
+ @param CurrentModeNumber Current specific mode to be check.
+
+ @retval EFI_SUCCESS The mode is supported.
+ @retval EFI_UNSUPPORTED The specific mode is out of range of graphics
+ device supported.
+ @retval other The specific mode does not support user defined
+ resolution or failed to set the current mode to the
+ specific mode on graphics device.
+
+**/
+EFI_STATUS
+CheckModeSupported (
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,
+ IN UINT32 HorizontalResolution,
+ IN UINT32 VerticalResolution,
+ OUT UINT32 *CurrentModeNumber
+ )
+{
+ UINT32 ModeNumber;
+ EFI_STATUS Status;
+ UINTN SizeOfInfo;
+ EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
+ UINT32 MaxMode;
+
+ Status = EFI_SUCCESS;
+ MaxMode = GraphicsOutput->Mode->MaxMode;
+
+ for (ModeNumber = 0; ModeNumber < MaxMode; ModeNumber++) {
+ Status = GraphicsOutput->QueryMode (
+ GraphicsOutput,
+ ModeNumber,
+ &SizeOfInfo,
+ &Info
+ );
+ if (!EFI_ERROR (Status)) {
+ if ((Info->HorizontalResolution == HorizontalResolution) &&
+ (Info->VerticalResolution == VerticalResolution))
+ {
+ if ((GraphicsOutput->Mode->Info->HorizontalResolution == HorizontalResolution) &&
+ (GraphicsOutput->Mode->Info->VerticalResolution == VerticalResolution))
+ {
+ //
+ // If video device has been set to this mode, we do not need to SetMode again
+ //
+ FreePool (Info);
+ break;
+ } else {
+ Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);
+ if (!EFI_ERROR (Status)) {
+ FreePool (Info);
+ break;
+ }
+ }
+ }
+
+ FreePool (Info);
+ }
+ }
+
+ if (ModeNumber == GraphicsOutput->Mode->MaxMode) {
+ Status = EFI_UNSUPPORTED;
+ }
+
+ *CurrentModeNumber = ModeNumber;
+ return Status;
+}
+
+/**
+ Locate HII Database protocol and HII Font protocol.
+
+ @retval EFI_SUCCESS HII Database protocol and HII Font protocol
+ are located successfully.
+ @return other Failed to locate HII Database protocol or
+ HII Font protocol.
+
+**/
+EFI_STATUS
+EfiLocateHiiProtocol (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+
+ Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **)&mHiiDatabase);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = gBS->LocateProtocol (&gEfiHiiFontProtocolGuid, NULL, (VOID **)&mHiiFont);
+ return Status;
+}
+
+//
+// Body of the STO functions
+//
+
+/**
+ Reset the text output device hardware and optionally run diagnostics.
+
+ Implements SIMPLE_TEXT_OUTPUT.Reset().
+ If ExtendedVerification is TRUE, then perform dependent Graphics Console
+ device reset, and set display mode to mode 0.
+ If ExtendedVerification is FALSE, only set display mode to mode 0.
+
+ @param This Protocol instance pointer.
+ @param ExtendedVerification Indicates that the driver may perform a more
+ exhaustive verification operation of the device
+ during reset.
+
+ @retval EFI_SUCCESS The text output device was reset.
+ @retval EFI_DEVICE_ERROR The text output device is not functioning correctly and
+ could not be reset.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutReset (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ EFI_STATUS Status;
+
+ Status = This->SetMode (This, 0);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ Status = This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));
+ return Status;
+}
+
+/**
+ Write a Unicode string to the output device.
+
+ Implements SIMPLE_TEXT_OUTPUT.OutputString().
+ The Unicode string will be converted to Glyphs and will be
+ sent to the Graphics Console.
+
+ @param This Protocol instance pointer.
+ @param WString The NULL-terminated Unicode string to be displayed
+ on the output device(s). All output devices must
+ also support the Unicode drawing defined in this file.
+
+ @retval EFI_SUCCESS The string was output to the device.
+ @retval EFI_DEVICE_ERROR The device reported an error while attempting to output
+ the text.
+ @retval EFI_UNSUPPORTED The output device's mode is not currently in a
+ defined text mode.
+ @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the
+ characters in the Unicode string could not be
+ rendered and were skipped.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutOutputString (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN CHAR16 *WString
+ )
+{
+ GRAPHICS_CONSOLE_DEV *Private;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ INTN Mode;
+ UINTN MaxColumn;
+ UINTN MaxRow;
+ UINTN Width;
+ UINTN Height;
+ UINTN Delta;
+ EFI_STATUS Status;
+ BOOLEAN Warning;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
+ UINTN DeltaX;
+ UINTN DeltaY;
+ UINTN Count;
+ UINTN Index;
+ INT32 OriginAttribute;
+ EFI_TPL OldTpl;
+
+ if (This->Mode->Mode == -1) {
+ //
+ // If current mode is not valid, return error.
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = EFI_SUCCESS;
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ //
+ // Current mode
+ //
+ Mode = This->Mode->Mode;
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+ GraphicsOutput = Private->GraphicsOutput;
+ UgaDraw = Private->UgaDraw;
+
+ MaxColumn = Private->ModeData[Mode].Columns;
+ MaxRow = Private->ModeData[Mode].Rows;
+ DeltaX = (UINTN)Private->ModeData[Mode].DeltaX;
+ DeltaY = (UINTN)Private->ModeData[Mode].DeltaY;
+ Width = MaxColumn * EFI_GLYPH_WIDTH;
+ Height = (MaxRow - 1) * EFI_GLYPH_HEIGHT;
+ Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
+
+ //
+ // The Attributes won't change when during the time OutputString is called
+ //
+ GetTextColors (This, &Foreground, &Background);
+
+ FlushCursor (This);
+
+ Warning = FALSE;
+
+ //
+ // Backup attribute
+ //
+ OriginAttribute = This->Mode->Attribute;
+
+ while (*WString != L'\0') {
+ if (*WString == CHAR_BACKSPACE) {
+ //
+ // If the cursor is at the left edge of the display, then move the cursor
+ // one row up.
+ //
+ if ((This->Mode->CursorColumn == 0) && (This->Mode->CursorRow > 0)) {
+ This->Mode->CursorRow--;
+ This->Mode->CursorColumn = (INT32)(MaxColumn - 1);
+ This->OutputString (This, SpaceStr);
+ FlushCursor (This);
+ This->Mode->CursorRow--;
+ This->Mode->CursorColumn = (INT32)(MaxColumn - 1);
+ } else if (This->Mode->CursorColumn > 0) {
+ //
+ // If the cursor is not at the left edge of the display, then move the cursor
+ // left one column.
+ //
+ This->Mode->CursorColumn--;
+ This->OutputString (This, SpaceStr);
+ FlushCursor (This);
+ This->Mode->CursorColumn--;
+ }
+
+ WString++;
+ } else if (*WString == CHAR_LINEFEED) {
+ //
+ // If the cursor is at the bottom of the display, then scroll the display one
+ // row, and do not update the cursor position. Otherwise, move the cursor
+ // down one row.
+ //
+ if (This->Mode->CursorRow == (INT32)(MaxRow - 1)) {
+ if (GraphicsOutput != NULL) {
+ //
+ // Scroll Screen Up One Row
+ //
+ GraphicsOutput->Blt (
+ GraphicsOutput,
+ NULL,
+ EfiBltVideoToVideo,
+ DeltaX,
+ DeltaY + EFI_GLYPH_HEIGHT,
+ DeltaX,
+ DeltaY,
+ Width,
+ Height,
+ Delta
+ );
+
+ //
+ // Print Blank Line at last line
+ //
+ GraphicsOutput->Blt (
+ GraphicsOutput,
+ &Background,
+ EfiBltVideoFill,
+ 0,
+ 0,
+ DeltaX,
+ DeltaY + Height,
+ Width,
+ EFI_GLYPH_HEIGHT,
+ Delta
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ //
+ // Scroll Screen Up One Row
+ //
+ UgaDraw->Blt (
+ UgaDraw,
+ NULL,
+ EfiUgaVideoToVideo,
+ DeltaX,
+ DeltaY + EFI_GLYPH_HEIGHT,
+ DeltaX,
+ DeltaY,
+ Width,
+ Height,
+ Delta
+ );
+
+ //
+ // Print Blank Line at last line
+ //
+ UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *)(UINTN)&Background,
+ EfiUgaVideoFill,
+ 0,
+ 0,
+ DeltaX,
+ DeltaY + Height,
+ Width,
+ EFI_GLYPH_HEIGHT,
+ Delta
+ );
+ }
+ } else {
+ This->Mode->CursorRow++;
+ }
+
+ WString++;
+ } else if (*WString == CHAR_CARRIAGE_RETURN) {
+ //
+ // Move the cursor to the beginning of the current row.
+ //
+ This->Mode->CursorColumn = 0;
+ WString++;
+ } else if (*WString == WIDE_CHAR) {
+ This->Mode->Attribute |= EFI_WIDE_ATTRIBUTE;
+ WString++;
+ } else if (*WString == NARROW_CHAR) {
+ This->Mode->Attribute &= (~(UINT32)EFI_WIDE_ATTRIBUTE);
+ WString++;
+ } else {
+ //
+ // Print the character at the current cursor position and move the cursor
+ // right one column. If this moves the cursor past the right edge of the
+ // display, then the line should wrap to the beginning of the next line. This
+ // is equivalent to inserting a CR and an LF. Note that if the cursor is at the
+ // bottom of the display, and the line wraps, then the display will be scrolled
+ // one line.
+ // If wide char is going to be displayed, need to display one character at a time
+ // Or, need to know the display length of a certain string.
+ //
+ // Index is used to determine how many character width units (wide = 2, narrow = 1)
+ // Count is used to determine how many characters are used regardless of their attributes
+ //
+ for (Count = 0, Index = 0; (This->Mode->CursorColumn + Index) < MaxColumn; Count++, Index++) {
+ if ((WString[Count] == CHAR_NULL) ||
+ (WString[Count] == CHAR_BACKSPACE) ||
+ (WString[Count] == CHAR_LINEFEED) ||
+ (WString[Count] == CHAR_CARRIAGE_RETURN) ||
+ (WString[Count] == WIDE_CHAR) ||
+ (WString[Count] == NARROW_CHAR))
+ {
+ break;
+ }
+
+ //
+ // Is the wide attribute on?
+ //
+ if ((This->Mode->Attribute & EFI_WIDE_ATTRIBUTE) != 0) {
+ //
+ // If wide, add one more width unit than normal since we are going to increment at the end of the for loop
+ //
+ Index++;
+ //
+ // This is the end-case where if we are at column 79 and about to print a wide character
+ // We should prevent this from happening because we will wrap inappropriately. We should
+ // not print this character until the next line.
+ //
+ if ((This->Mode->CursorColumn + Index + 1) > MaxColumn) {
+ Index++;
+ break;
+ }
+ }
+ }
+
+ Status = DrawUnicodeWeightAtCursorN (This, WString, Count);
+ if (EFI_ERROR (Status)) {
+ Warning = TRUE;
+ }
+
+ //
+ // At the end of line, output carriage return and line feed
+ //
+ WString += Count;
+ This->Mode->CursorColumn += (INT32)Index;
+ if (This->Mode->CursorColumn > (INT32)MaxColumn) {
+ This->Mode->CursorColumn -= 2;
+ This->OutputString (This, SpaceStr);
+ }
+
+ if (This->Mode->CursorColumn >= (INT32)MaxColumn) {
+ FlushCursor (This);
+ This->OutputString (This, mCrLfString);
+ FlushCursor (This);
+ }
+ }
+ }
+
+ This->Mode->Attribute = OriginAttribute;
+
+ FlushCursor (This);
+
+ if (Warning) {
+ Status = EFI_WARN_UNKNOWN_GLYPH;
+ }
+
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Verifies that all characters in a Unicode string can be output to the
+ target device.
+
+ Implements SIMPLE_TEXT_OUTPUT.TestString().
+ If one of the characters in the *Wstring is neither valid valid Unicode
+ drawing characters, not ASCII code, then this function will return
+ EFI_UNSUPPORTED
+
+ @param This Protocol instance pointer.
+ @param WString The NULL-terminated Unicode string to be examined for the output
+ device(s).
+
+ @retval EFI_SUCCESS The device(s) are capable of rendering the output string.
+ @retval EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be
+ rendered by one or more of the output devices mapped
+ by the EFI handle.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutTestString (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN CHAR16 *WString
+ )
+{
+ EFI_STATUS Status;
+ UINT16 Count;
+
+ EFI_IMAGE_OUTPUT *Blt;
+
+ Blt = NULL;
+ Count = 0;
+
+ while (WString[Count] != 0) {
+ Status = mHiiFont->GetGlyph (
+ mHiiFont,
+ WString[Count],
+ NULL,
+ &Blt,
+ NULL
+ );
+ if (Blt != NULL) {
+ FreePool (Blt);
+ Blt = NULL;
+ }
+
+ Count++;
+
+ if (EFI_ERROR (Status)) {
+ return EFI_UNSUPPORTED;
+ }
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Returns information for an available text mode that the output device(s)
+ supports
+
+ Implements SIMPLE_TEXT_OUTPUT.QueryMode().
+ It returnes information for an available text mode that the Graphics Console supports.
+ In this driver,we only support text mode 80x25, which is defined as mode 0.
+
+ @param This Protocol instance pointer.
+ @param ModeNumber The mode number to return information on.
+ @param Columns The returned columns of the requested mode.
+ @param Rows The returned rows of the requested mode.
+
+ @retval EFI_SUCCESS The requested mode information is returned.
+ @retval EFI_UNSUPPORTED The mode number is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutQueryMode (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN UINTN ModeNumber,
+ OUT UINTN *Columns,
+ OUT UINTN *Rows
+ )
+{
+ GRAPHICS_CONSOLE_DEV *Private;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ if (ModeNumber >= (UINTN)This->Mode->MaxMode) {
+ return EFI_UNSUPPORTED;
+ }
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+ Status = EFI_SUCCESS;
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+
+ *Columns = Private->ModeData[ModeNumber].Columns;
+ *Rows = Private->ModeData[ModeNumber].Rows;
+
+ if ((*Columns <= 0) || (*Rows <= 0)) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Sets the output device(s) to a specified mode.
+
+ Implements SIMPLE_TEXT_OUTPUT.SetMode().
+ Set the Graphics Console to a specified mode. In this driver, we only support mode 0.
+
+ @param This Protocol instance pointer.
+ @param ModeNumber The text mode to set.
+
+ @retval EFI_SUCCESS The requested text mode is set.
+ @retval EFI_DEVICE_ERROR The requested text mode cannot be set because of
+ Graphics Console device error.
+ @retval EFI_UNSUPPORTED The text mode number is not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutSetMode (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN UINTN ModeNumber
+ )
+{
+ EFI_STATUS Status;
+ GRAPHICS_CONSOLE_DEV *Private;
+ GRAPHICS_CONSOLE_MODE_DATA *ModeData;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL *NewLineBuffer;
+ UINT32 HorizontalResolution;
+ UINT32 VerticalResolution;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ UINT32 ColorDepth;
+ UINT32 RefreshRate;
+ EFI_TPL OldTpl;
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+ GraphicsOutput = Private->GraphicsOutput;
+ UgaDraw = Private->UgaDraw;
+
+ //
+ // Make sure the requested mode number is supported
+ //
+ if (ModeNumber >= (UINTN)This->Mode->MaxMode) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ ModeData = &(Private->ModeData[ModeNumber]);
+
+ if ((ModeData->Columns <= 0) && (ModeData->Rows <= 0)) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ //
+ // If the mode has been set at least one other time, then LineBuffer will not be NULL
+ //
+ if (Private->LineBuffer != NULL) {
+ //
+ // If the new mode is the same as the old mode, then just return EFI_SUCCESS
+ //
+ if ((INT32)ModeNumber == This->Mode->Mode) {
+ //
+ // Clear the current text window on the current graphics console
+ //
+ This->ClearScreen (This);
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+
+ //
+ // Otherwise, the size of the text console and/or the GOP/UGA mode will be changed,
+ // so erase the cursor, and free the LineBuffer for the current mode
+ //
+ FlushCursor (This);
+
+ FreePool (Private->LineBuffer);
+ }
+
+ //
+ // Attempt to allocate a line buffer for the requested mode number
+ //
+ NewLineBuffer = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * ModeData->Columns * EFI_GLYPH_WIDTH * EFI_GLYPH_HEIGHT);
+
+ if (NewLineBuffer == NULL) {
+ //
+ // The new line buffer could not be allocated, so return an error.
+ // No changes to the state of the current console have been made, so the current console is still valid
+ //
+ Status = EFI_OUT_OF_RESOURCES;
+ goto Done;
+ }
+
+ //
+ // Assign the current line buffer to the newly allocated line buffer
+ //
+ Private->LineBuffer = NewLineBuffer;
+
+ if (GraphicsOutput != NULL) {
+ if (ModeData->GopModeNumber != GraphicsOutput->Mode->Mode) {
+ //
+ // Either no graphics mode is currently set, or it is set to the wrong resolution, so set the new graphics mode
+ //
+ Status = GraphicsOutput->SetMode (GraphicsOutput, ModeData->GopModeNumber);
+ if (EFI_ERROR (Status)) {
+ //
+ // The mode set operation failed
+ //
+ goto Done;
+ }
+ } else {
+ //
+ // The current graphics mode is correct, so simply clear the entire display
+ //
+ Status = GraphicsOutput->Blt (
+ GraphicsOutput,
+ &mGraphicsEfiColors[0],
+ EfiBltVideoFill,
+ 0,
+ 0,
+ 0,
+ 0,
+ ModeData->GopWidth,
+ ModeData->GopHeight,
+ 0
+ );
+ }
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ //
+ // Get the current UGA Draw mode information
+ //
+ Status = UgaDraw->GetMode (
+ UgaDraw,
+ &HorizontalResolution,
+ &VerticalResolution,
+ &ColorDepth,
+ &RefreshRate
+ );
+ if (EFI_ERROR (Status) || (HorizontalResolution != ModeData->GopWidth) || (VerticalResolution != ModeData->GopHeight)) {
+ //
+ // Either no graphics mode is currently set, or it is set to the wrong resolution, so set the new graphics mode
+ //
+ Status = UgaDraw->SetMode (
+ UgaDraw,
+ ModeData->GopWidth,
+ ModeData->GopHeight,
+ 32,
+ 60
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // The mode set operation failed
+ //
+ goto Done;
+ }
+ } else {
+ //
+ // The current graphics mode is correct, so simply clear the entire display
+ //
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *)(UINTN)&mGraphicsEfiColors[0],
+ EfiUgaVideoFill,
+ 0,
+ 0,
+ 0,
+ 0,
+ ModeData->GopWidth,
+ ModeData->GopHeight,
+ 0
+ );
+ }
+ }
+
+ //
+ // The new mode is valid, so commit the mode change
+ //
+ This->Mode->Mode = (INT32)ModeNumber;
+
+ //
+ // Move the text cursor to the upper left hand corner of the display and flush it
+ //
+ This->Mode->CursorColumn = 0;
+ This->Mode->CursorRow = 0;
+
+ FlushCursor (This);
+
+ Status = EFI_SUCCESS;
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Sets the background and foreground colors for the OutputString () and
+ ClearScreen () functions.
+
+ Implements SIMPLE_TEXT_OUTPUT.SetAttribute().
+
+ @param This Protocol instance pointer.
+ @param Attribute The attribute to set. Bits 0..3 are the foreground
+ color, and bits 4..6 are the background color.
+ All other bits are undefined and must be zero.
+
+ @retval EFI_SUCCESS The requested attribute is set.
+ @retval EFI_DEVICE_ERROR The requested attribute cannot be set due to Graphics Console port error.
+ @retval EFI_UNSUPPORTED The attribute requested is not defined.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutSetAttribute (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN UINTN Attribute
+ )
+{
+ EFI_TPL OldTpl;
+
+ if ((Attribute | 0x7F) != 0x7F) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if ((INT32)Attribute == This->Mode->Attribute) {
+ return EFI_SUCCESS;
+ }
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ FlushCursor (This);
+
+ This->Mode->Attribute = (INT32)Attribute;
+
+ FlushCursor (This);
+
+ gBS->RestoreTPL (OldTpl);
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Clears the output device(s) display to the currently selected background
+ color.
+
+ Implements SIMPLE_TEXT_OUTPUT.ClearScreen().
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
+ @retval EFI_UNSUPPORTED The output device is not in a valid text mode.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutClearScreen (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
+ )
+{
+ EFI_STATUS Status;
+ GRAPHICS_CONSOLE_DEV *Private;
+ GRAPHICS_CONSOLE_MODE_DATA *ModeData;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;
+ EFI_TPL OldTpl;
+
+ if (This->Mode->Mode == -1) {
+ //
+ // If current mode is not valid, return error.
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+ GraphicsOutput = Private->GraphicsOutput;
+ UgaDraw = Private->UgaDraw;
+ ModeData = &(Private->ModeData[This->Mode->Mode]);
+
+ GetTextColors (This, &Foreground, &Background);
+ if (GraphicsOutput != NULL) {
+ Status = GraphicsOutput->Blt (
+ GraphicsOutput,
+ &Background,
+ EfiBltVideoFill,
+ 0,
+ 0,
+ 0,
+ 0,
+ ModeData->GopWidth,
+ ModeData->GopHeight,
+ 0
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *)(UINTN)&Background,
+ EfiUgaVideoFill,
+ 0,
+ 0,
+ 0,
+ 0,
+ ModeData->GopWidth,
+ ModeData->GopHeight,
+ 0
+ );
+ } else {
+ Status = EFI_UNSUPPORTED;
+ }
+
+ This->Mode->CursorColumn = 0;
+ This->Mode->CursorRow = 0;
+
+ FlushCursor (This);
+
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+}
+
+/**
+ Sets the current coordinates of the cursor position.
+
+ Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().
+
+ @param This Protocol instance pointer.
+ @param Column The position to set the cursor to. Must be greater than or
+ equal to zero and less than the number of columns and rows
+ by QueryMode ().
+ @param Row The position to set the cursor to. Must be greater than or
+ equal to zero and less than the number of columns and rows
+ by QueryMode ().
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
+ @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the
+ cursor position is invalid for the current mode.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutSetCursorPosition (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN UINTN Column,
+ IN UINTN Row
+ )
+{
+ GRAPHICS_CONSOLE_DEV *Private;
+ GRAPHICS_CONSOLE_MODE_DATA *ModeData;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ if (This->Mode->Mode == -1) {
+ //
+ // If current mode is not valid, return error.
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ Status = EFI_SUCCESS;
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+ ModeData = &(Private->ModeData[This->Mode->Mode]);
+
+ if ((Column >= ModeData->Columns) || (Row >= ModeData->Rows)) {
+ Status = EFI_UNSUPPORTED;
+ goto Done;
+ }
+
+ if ((This->Mode->CursorColumn == (INT32)Column) && (This->Mode->CursorRow == (INT32)Row)) {
+ Status = EFI_SUCCESS;
+ goto Done;
+ }
+
+ FlushCursor (This);
+
+ This->Mode->CursorColumn = (INT32)Column;
+ This->Mode->CursorRow = (INT32)Row;
+
+ FlushCursor (This);
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+
+ return Status;
+}
+
+/**
+ Makes the cursor visible or invisible.
+
+ Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
+
+ @param This Protocol instance pointer.
+ @param Visible If TRUE, the cursor is set to be visible, If FALSE,
+ the cursor is set to be invisible.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_UNSUPPORTED The output device's mode is not currently in a
+ defined text mode.
+
+**/
+EFI_STATUS
+EFIAPI
+GraphicsConsoleConOutEnableCursor (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN BOOLEAN Visible
+ )
+{
+ EFI_TPL OldTpl;
+
+ if (This->Mode->Mode == -1) {
+ //
+ // If current mode is not valid, return error.
+ //
+ return EFI_UNSUPPORTED;
+ }
+
+ OldTpl = gBS->RaiseTPL (TPL_NOTIFY);
+
+ FlushCursor (This);
+
+ This->Mode->CursorVisible = Visible;
+
+ FlushCursor (This);
+
+ gBS->RestoreTPL (OldTpl);
+ return EFI_SUCCESS;
+}
+
+/**
+ Gets Graphics Console device's foreground color and background color.
+
+ @param This Protocol instance pointer.
+ @param Foreground Returned text foreground color.
+ @param Background Returned text background color.
+
+ @retval EFI_SUCCESS It returned always.
+
+**/
+EFI_STATUS
+GetTextColors (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Foreground,
+ OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background
+ )
+{
+ INTN Attribute;
+
+ Attribute = This->Mode->Attribute & 0x7F;
+
+ *Foreground = mGraphicsEfiColors[Attribute & 0x0f];
+ *Background = mGraphicsEfiColors[Attribute >> 4];
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Draw Unicode string on the Graphics Console device's screen.
+
+ @param This Protocol instance pointer.
+ @param UnicodeWeight One Unicode string to be displayed.
+ @param Count The count of Unicode string.
+
+ @retval EFI_OUT_OF_RESOURCES If no memory resource to use.
+ @retval EFI_UNSUPPORTED If no Graphics Output protocol and UGA Draw
+ protocol exist.
+ @retval EFI_SUCCESS Drawing Unicode string implemented successfully.
+
+**/
+EFI_STATUS
+DrawUnicodeWeightAtCursorN (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
+ IN CHAR16 *UnicodeWeight,
+ IN UINTN Count
+ )
+{
+ EFI_STATUS Status;
+ GRAPHICS_CONSOLE_DEV *Private;
+ EFI_IMAGE_OUTPUT *Blt;
+ EFI_STRING String;
+ EFI_FONT_DISPLAY_INFO *FontInfo;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_HII_ROW_INFO *RowInfoArray;
+ UINTN RowInfoArraySize;
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+ Blt = (EFI_IMAGE_OUTPUT *)AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT));
+ if (Blt == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ Blt->Width = (UINT16)(Private->ModeData[This->Mode->Mode].GopWidth);
+ Blt->Height = (UINT16)(Private->ModeData[This->Mode->Mode].GopHeight);
+
+ String = AllocateCopyPool ((Count + 1) * sizeof (CHAR16), UnicodeWeight);
+ if (String == NULL) {
+ FreePool (Blt);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Set the end character
+ //
+ *(String + Count) = L'\0';
+
+ FontInfo = (EFI_FONT_DISPLAY_INFO *)AllocateZeroPool (sizeof (EFI_FONT_DISPLAY_INFO));
+ if (FontInfo == NULL) {
+ FreePool (Blt);
+ FreePool (String);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Get current foreground and background colors.
+ //
+ GetTextColors (This, &FontInfo->ForegroundColor, &FontInfo->BackgroundColor);
+
+ if (Private->GraphicsOutput != NULL) {
+ //
+ // If Graphics Output protocol exists, using HII Font protocol to draw.
+ //
+ Blt->Image.Screen = Private->GraphicsOutput;
+
+ Status = mHiiFont->StringToImage (
+ mHiiFont,
+ EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_DIRECT_TO_SCREEN | EFI_HII_IGNORE_LINE_BREAK,
+ String,
+ FontInfo,
+ &Blt,
+ This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
+ This->Mode->CursorRow * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
+ NULL,
+ NULL,
+ NULL
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ //
+ // If Graphics Output protocol cannot be found and PcdUgaConsumeSupport enabled,
+ // using UGA Draw protocol to draw.
+ //
+ ASSERT (Private->UgaDraw != NULL);
+
+ UgaDraw = Private->UgaDraw;
+
+ Blt->Image.Bitmap = AllocateZeroPool (Blt->Width * Blt->Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
+ if (Blt->Image.Bitmap == NULL) {
+ FreePool (Blt);
+ FreePool (String);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ RowInfoArray = NULL;
+ //
+ // StringToImage only support blt'ing image to device using GOP protocol. If GOP is not supported in this platform,
+ // we ask StringToImage to print the string to blt buffer, then blt to device using UgaDraw.
+ //
+ Status = mHiiFont->StringToImage (
+ mHiiFont,
+ EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_IGNORE_LINE_BREAK,
+ String,
+ FontInfo,
+ &Blt,
+ This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
+ This->Mode->CursorRow * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
+ &RowInfoArray,
+ &RowInfoArraySize,
+ NULL
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Line breaks are handled by caller of DrawUnicodeWeightAtCursorN, so the updated parameter RowInfoArraySize by StringToImage will
+ // always be 1 or 0 (if there is no valid Unicode Char can be printed). ASSERT here to make sure.
+ //
+ ASSERT (RowInfoArraySize <= 1);
+
+ Status = UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *)Blt->Image.Bitmap,
+ EfiUgaBltBufferToVideo,
+ This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
+ (This->Mode->CursorRow) * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
+ This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,
+ (This->Mode->CursorRow) * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,
+ RowInfoArray[0].LineWidth,
+ RowInfoArray[0].LineHeight,
+ Blt->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ }
+
+ FreePool (RowInfoArray);
+ FreePool (Blt->Image.Bitmap);
+ } else {
+ Status = EFI_UNSUPPORTED;
+ }
+
+ if (Blt != NULL) {
+ FreePool (Blt);
+ }
+
+ if (String != NULL) {
+ FreePool (String);
+ }
+
+ if (FontInfo != NULL) {
+ FreePool (FontInfo);
+ }
+
+ return Status;
+}
+
+/**
+ Flush the cursor on the screen.
+
+ If CursorVisible is FALSE, nothing to do and return directly.
+ If CursorVisible is TRUE,
+ i) If the cursor shows on screen, it will be erased.
+ ii) If the cursor does not show on screen, it will be shown.
+
+ @param This Protocol instance pointer.
+
+ @retval EFI_SUCCESS The cursor is erased successfully.
+
+**/
+EFI_STATUS
+FlushCursor (
+ IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
+ )
+{
+ GRAPHICS_CONSOLE_DEV *Private;
+ EFI_SIMPLE_TEXT_OUTPUT_MODE *CurrentMode;
+ INTN GlyphX;
+ INTN GlyphY;
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
+ EFI_UGA_DRAW_PROTOCOL *UgaDraw;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Foreground;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Background;
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION BltChar[EFI_GLYPH_HEIGHT][EFI_GLYPH_WIDTH];
+ UINTN PosX;
+ UINTN PosY;
+
+ CurrentMode = This->Mode;
+
+ if (!CurrentMode->CursorVisible) {
+ return EFI_SUCCESS;
+ }
+
+ Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);
+ GraphicsOutput = Private->GraphicsOutput;
+ UgaDraw = Private->UgaDraw;
+
+ //
+ // In this driver, only narrow character was supported.
+ //
+ //
+ // Blt a character to the screen
+ //
+ GlyphX = (CurrentMode->CursorColumn * EFI_GLYPH_WIDTH) + Private->ModeData[CurrentMode->Mode].DeltaX;
+ GlyphY = (CurrentMode->CursorRow * EFI_GLYPH_HEIGHT) + Private->ModeData[CurrentMode->Mode].DeltaY;
+ if (GraphicsOutput != NULL) {
+ GraphicsOutput->Blt (
+ GraphicsOutput,
+ (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)BltChar,
+ EfiBltVideoToBltBuffer,
+ GlyphX,
+ GlyphY,
+ 0,
+ 0,
+ EFI_GLYPH_WIDTH,
+ EFI_GLYPH_HEIGHT,
+ EFI_GLYPH_WIDTH * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *)(UINTN)BltChar,
+ EfiUgaVideoToBltBuffer,
+ GlyphX,
+ GlyphY,
+ 0,
+ 0,
+ EFI_GLYPH_WIDTH,
+ EFI_GLYPH_HEIGHT,
+ EFI_GLYPH_WIDTH * sizeof (EFI_UGA_PIXEL)
+ );
+ }
+
+ GetTextColors (This, &Foreground.Pixel, &Background.Pixel);
+
+ //
+ // Convert Monochrome bitmap of the Glyph to BltBuffer structure
+ //
+ for (PosY = 0; PosY < EFI_GLYPH_HEIGHT; PosY++) {
+ for (PosX = 0; PosX < EFI_GLYPH_WIDTH; PosX++) {
+ if ((mCursorGlyph.GlyphCol1[PosY] & (BIT0 << PosX)) != 0) {
+ BltChar[PosY][EFI_GLYPH_WIDTH - PosX - 1].Raw ^= Foreground.Raw;
+ }
+ }
+ }
+
+ if (GraphicsOutput != NULL) {
+ GraphicsOutput->Blt (
+ GraphicsOutput,
+ (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)BltChar,
+ EfiBltBufferToVideo,
+ 0,
+ 0,
+ GlyphX,
+ GlyphY,
+ EFI_GLYPH_WIDTH,
+ EFI_GLYPH_HEIGHT,
+ EFI_GLYPH_WIDTH * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
+ );
+ } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
+ UgaDraw->Blt (
+ UgaDraw,
+ (EFI_UGA_PIXEL *)(UINTN)BltChar,
+ EfiUgaBltBufferToVideo,
+ 0,
+ 0,
+ GlyphX,
+ GlyphY,
+ EFI_GLYPH_WIDTH,
+ EFI_GLYPH_HEIGHT,
+ EFI_GLYPH_WIDTH * sizeof (EFI_UGA_PIXEL)
+ );
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ HII Database Protocol notification event handler.
+
+ Register font package when HII Database Protocol has been installed.
+
+ @param[in] Event Event whose notification function is being invoked.
+ @param[in] Context Pointer to the notification function's context.
+**/
+VOID
+EFIAPI
+RegisterFontPackage (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ EFI_HII_SIMPLE_FONT_PACKAGE_HDR *SimplifiedFont;
+ UINT32 PackageLength;
+ UINT8 *Package;
+ UINT8 *Location;
+ EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
+
+ //
+ // Locate HII Database Protocol
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiHiiDatabaseProtocolGuid,
+ NULL,
+ (VOID **)&HiiDatabase
+ );
+ if (EFI_ERROR (Status)) {
+ return;
+ }
+
+ //
+ // Add 4 bytes to the header for entire length for HiiAddPackages use only.
+ //
+ // +--------------------------------+ <-- Package
+ // | |
+ // | PackageLength(4 bytes) |
+ // | |
+ // |--------------------------------| <-- SimplifiedFont
+ // | |
+ // |EFI_HII_SIMPLE_FONT_PACKAGE_HDR |
+ // | |
+ // |--------------------------------| <-- Location
+ // | |
+ // | gUsStdNarrowGlyphData |
+ // | |
+ // +--------------------------------+
+
+ PackageLength = sizeof (EFI_HII_SIMPLE_FONT_PACKAGE_HDR) + mNarrowFontSize + 4;
+ Package = AllocateZeroPool (PackageLength);
+ ASSERT (Package != NULL);
+
+ WriteUnaligned32 ((UINT32 *)Package, PackageLength);
+ SimplifiedFont = (EFI_HII_SIMPLE_FONT_PACKAGE_HDR *)(Package + 4);
+ SimplifiedFont->Header.Length = (UINT32)(PackageLength - 4);
+ SimplifiedFont->Header.Type = EFI_HII_PACKAGE_SIMPLE_FONTS;
+ SimplifiedFont->NumberOfNarrowGlyphs = (UINT16)(mNarrowFontSize / sizeof (EFI_NARROW_GLYPH));
+
+ Location = (UINT8 *)(&SimplifiedFont->NumberOfWideGlyphs + 1);
+ CopyMem (Location, gUsStdNarrowGlyphData, mNarrowFontSize);
+
+ //
+ // Add this simplified font package to a package list then install it.
+ //
+ mHiiHandle = HiiAddPackages (
+ &mFontPackageListGuid,
+ NULL,
+ Package,
+ NULL
+ );
+ ASSERT (mHiiHandle != NULL);
+ FreePool (Package);
+}
+
+/**
+ The user Entry Point for module GraphicsConsole. The user code starts with this function.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @return other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+InitializeGraphicsConsole (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Register notify function on HII Database Protocol to add font package.
+ //
+ EfiCreateProtocolNotifyEvent (
+ &gEfiHiiDatabaseProtocolGuid,
+ TPL_CALLBACK,
+ RegisterFontPackage,
+ NULL,
+ &mHiiRegistration
+ );
+
+ //
+ // Install driver model protocol(s).
+ //
+ Status = EfiLibInstallDriverBindingComponentName2 (
+ ImageHandle,
+ SystemTable,
+ &gGraphicsConsoleDriverBinding,
+ ImageHandle,
+ &gGraphicsConsoleComponentName,
+ &gGraphicsConsoleComponentName2
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return Status;
+}
generated by cgit v1.2.3 (git 2.39.0) at 2026-09-09 01:20:40 +0300