Clean codes per ECC for GraphicsConsoleDxe module.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5390 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff 2008-07-01 06:43:10 +00:00
parent e49ef4337f
commit 6dcf9abc6a
3 changed files with 334 additions and 282 deletions

View File

@ -1,4 +1,4 @@
/**@file
/** @file
This is the main routine for initializing the Graphics Console support routines.
Remaining Tasks
Add all standard Glyphs from UEFI 2.0 Specification
@ -6,7 +6,7 @@ Remaining Tasks
Solve palette issues for mixed graphics and text
When does this protocol reset the palette?
Copyright (c) 2006 - 2007 Intel Corporation. <BR>
Copyright (c) 2006 - 2008 Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -19,7 +19,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include "GraphicsConsole.h"
STATIC
EFI_STATUS
GetTextColors (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
@ -27,7 +26,6 @@ GetTextColors (
OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background
);
STATIC
EFI_STATUS
DrawUnicodeWeightAtCursorN (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
@ -35,7 +33,6 @@ DrawUnicodeWeightAtCursorN (
IN UINTN Count
);
STATIC
EFI_STATUS
EraseCursor (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
@ -92,9 +89,9 @@ BOOLEAN mFirstAccessFlag = TRUE;
STATIC EFI_GUID mFontPackageListGuid = {0xf5f219d3, 0x7006, 0x4648, 0xac, 0x8d, 0xd6, 0x1d, 0xfb, 0x7b, 0xc6, 0xad};
static CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };
STATIC CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };
static EFI_GRAPHICS_OUTPUT_BLT_PIXEL mEfiColors[16] = {
STATIC EFI_GRAPHICS_OUTPUT_BLT_PIXEL mEfiColors[16] = {
//
// B G R
//
@ -116,12 +113,14 @@ static EFI_GRAPHICS_OUTPUT_BLT_PIXEL mEfiColors[16] = {
{0xff, 0xff, 0xff, 0x00} // WHITE
};
static EFI_NARROW_GLYPH mCursorGlyph = {
STATIC 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 }
};
STATIC CHAR16 SpaceStr[] = { NARROW_CHAR, ' ', 0 };
EFI_DRIVER_BINDING_PROTOCOL gGraphicsConsoleDriverBinding = {
GraphicsConsoleControllerDriverSupported,
GraphicsConsoleControllerDriverStart,
@ -226,6 +225,20 @@ Error:
return Status;
}
/**
Start the controller.
@param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL
instance.
@param Controller The handle of the controller to start.
@param RemainingDevicePath A pointer to the remaining portion of a devcie
path.
@retval EFI_SUCCESS Return successfully.
@retval EFI_OUT_OF_RESOURCES Out of resources.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleControllerDriverStart (
@ -233,24 +246,6 @@ GraphicsConsoleControllerDriverStart (
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Start the controller.
Arguments:
This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
Controller - The handle of the controller to start.
RemainingDevicePath - A pointer to the remaining portion of a devcie path.
Returns:
EFI_SUCCESS - Return successfully.
EFI_OUT_OF_RESOURCES - Out of resources.
--*/
{
EFI_STATUS Status;
GRAPHICS_CONSOLE_DEV *Private;
@ -683,20 +678,17 @@ CheckModeSupported (
return Status;
}
/**
Locate HII protocols for future usage.
**/
EFI_STATUS
EfiLocateHiiProtocol (
VOID
)
/*++
Routine Description:
Locate HII protocols for future usage.
Arguments:
Returns:
--*/
{
EFI_HANDLE Handle;
UINTN Size;
@ -740,75 +732,60 @@ EfiLocateHiiProtocol (
//
// Body of the STO functions
//
/**
Implements SIMPLE_TEXT_OUTPUT.Reset().
If ExtendeVerification 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 Indicates the calling context.
@param ExtendedVerification Indicates that the driver may perform a more
exhaustive verification operation of the device
during reset.
@return EFI_SUCCESS
@return The reset operation succeeds.
@return EFI_DEVICE_ERROR
@return The Graphics Console is not functioning correctly
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutReset (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.Reset().
If ExtendeVerification 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.
Arguments:
This - Indicates the calling context.
ExtendedVerification - Indicates that the driver may perform a more exhaustive
verification operation of the device during reset.
Returns:
EFI_SUCCESS
The reset operation succeeds.
EFI_DEVICE_ERROR
The Graphics Console is not functioning correctly
--*/
{
This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));
return This->SetMode (This, 0);
}
/**
Implements SIMPLE_TEXT_OUTPUT.OutputString().
The Unicode string will be converted to Glyphs and will be
sent to the Graphics Console.
@param This Indicates the calling context.
@param WString The Null-terminated Unicode string to be displayed
on the Graphics Console.
@return EFI_SUCCESS
@return The string is output successfully.
@return EFI_DEVICE_ERROR
@return The Graphics Console failed to send the string out.
@return EFI_WARN_UNKNOWN_GLYPH
@return Indicates that some of the characters in the Unicode string could not
@return be rendered and are skipped.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutOutputString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.OutputString().
The Unicode string will be converted to Glyphs and will be
sent to the Graphics Console.
Arguments:
This - Indicates the calling context.
WString - The Null-terminated Unicode string to be displayed on
the Graphics Console.
Returns:
EFI_SUCCESS
The string is output successfully.
EFI_DEVICE_ERROR
The Graphics Console failed to send the string out.
EFI_WARN_UNKNOWN_GLYPH
Indicates that some of the characters in the Unicode string could not
be rendered and are skipped.
--*/
{
GRAPHICS_CONSOLE_DEV *Private;
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
@ -829,7 +806,6 @@ GraphicsConsoleConOutOutputString (
UINTN Index;
INT32 OriginAttribute;
EFI_TPL OldTpl;
CHAR16 SpaceStr[] = { NARROW_CHAR, ' ', 0 };
Status = EFI_SUCCESS;
@ -864,7 +840,7 @@ GraphicsConsoleConOutOutputString (
//
OriginAttribute = This->Mode->Attribute;
while (*WString) {
while (*WString != L'\0') {
if (*WString == CHAR_BACKSPACE) {
//
@ -1079,43 +1055,36 @@ GraphicsConsoleConOutOutputString (
}
EFI_STATUS
EFIAPI
GraphicsConsoleConOutTestString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
/*++
Routine Description:
/**
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 Indicates the calling context.
@param WString The Null-terminated Unicode string to be tested.
Arguments:
@return EFI_SUCCESS
@return The Graphics Console is capable of rendering the output string.
@return EFI_UNSUPPORTED
@return Some of the characters in the Unicode string cannot be rendered.
This - Indicates the calling context.
WString - The Null-terminated Unicode string to be tested.
Returns:
EFI_SUCCESS
The Graphics Console is capable of rendering the output string.
EFI_UNSUPPORTED
Some of the characters in the Unicode string cannot be rendered.
--*/
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutTestString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
{
EFI_STATUS Status;
UINT16 Count;
EFI_IMAGE_OUTPUT *Blt = NULL;
EFI_IMAGE_OUTPUT *Blt;
Blt = NULL;
Count = 0;
while (WString[Count] != 0) {
@ -1138,6 +1107,25 @@ GraphicsConsoleConOutTestString (
return EFI_SUCCESS;
}
/**
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 Indicates the calling context.
@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.
@return EFI_SUCCESS
@return The requested mode information is returned.
@return EFI_UNSUPPORTED
@return The mode number is not valid.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutQueryMode (
@ -1146,35 +1134,6 @@ GraphicsConsoleConOutQueryMode (
OUT UINTN *Columns,
OUT UINTN *Rows
)
/*++
Routine Description:
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.
Arguments:
This - Indicates the calling context.
ModeNumber - The mode number to return information on.
Columns - The returned columns of the requested mode.
Rows - The returned rows of the requested mode.
Returns:
EFI_SUCCESS
The requested mode information is returned.
EFI_UNSUPPORTED
The mode number is not valid.
--*/
{
GRAPHICS_CONSOLE_DEV *Private;
EFI_STATUS Status;
@ -1203,37 +1162,29 @@ Done:
return Status;
}
/**
Implements SIMPLE_TEXT_OUTPUT.SetMode().
Set the Graphics Console to a specified mode.
In this driver, we only support mode 0.
@param This Indicates the calling context.
@param ModeNumber The text mode to set.
@return EFI_SUCCESS
@return The requested text mode is set.
@return EFI_DEVICE_ERROR
@return The requested text mode cannot be set because of Graphics Console device error.
@return EFI_UNSUPPORTED
@return The text mode number is not valid.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutSetMode (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN ModeNumber
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.SetMode().
Set the Graphics Console to a specified mode.
In this driver, we only support mode 0.
Arguments:
This - Indicates the calling context.
ModeNumber - The text mode to set.
Returns:
EFI_SUCCESS
The requested text mode is set.
EFI_DEVICE_ERROR
The requested text mode cannot be set because of Graphics Console device error.
EFI_UNSUPPORTED
The text mode number is not valid.
--*/
{
EFI_STATUS Status;
GRAPHICS_CONSOLE_DEV *Private;
@ -1407,36 +1358,25 @@ Done:
return Status;
}
/**
Implements SIMPLE_TEXT_OUTPUT.SetAttribute().
@param This Indicates the calling context.
@param Attribute The attribute to set. Only bit0..6 are valid, all
other bits are undefined and must be zero.
@return EFI_SUCCESS The requested attribute is set.
@return EFI_DEVICE_ERROR The requested attribute cannot be set due to Graphics Console port error.
@return EFI_UNSUPPORTED The attribute requested is not defined by EFI spec.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutSetAttribute (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN Attribute
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.SetAttribute().
Arguments:
This - Indicates the calling context.
Attrubute - The attribute to set. Only bit0..6 are valid, all other bits
are undefined and must be zero.
Returns:
EFI_SUCCESS
The requested attribute is set.
EFI_DEVICE_ERROR
The requested attribute cannot be set due to Graphics Console port error.
EFI_UNSUPPORTED
The attribute requested is not defined by EFI spec.
--*/
{
EFI_TPL OldTpl;
@ -1461,35 +1401,27 @@ GraphicsConsoleConOutSetAttribute (
return EFI_SUCCESS;
}
/**
Implements SIMPLE_TEXT_OUTPUT.ClearScreen().
It clears the Graphics Console's display to the
currently selected background color.
@param This Indicates the calling context.
@return EFI_SUCCESS
@return The operation completed successfully.
@return EFI_DEVICE_ERROR
@return The Graphics Console cannot be cleared due to Graphics Console device error.
@return EFI_UNSUPPORTED
@return The Graphics Console is not in a valid text mode.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutClearScreen (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.ClearScreen().
It clears the Graphics Console's display to the
currently selected background color.
Arguments:
This - Indicates the calling context.
Returns:
EFI_SUCCESS
The operation completed successfully.
EFI_DEVICE_ERROR
The Graphics Console cannot be cleared due to Graphics Console device error.
EFI_UNSUPPORTED
The Graphics Console is not in a valid text mode.
--*/
{
EFI_STATUS Status;
GRAPHICS_CONSOLE_DEV *Private;
@ -1548,6 +1480,23 @@ GraphicsConsoleConOutClearScreen (
return Status;
}
/**
Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().
@param This Indicates the calling context.
@param Column The row to set cursor to.
@param Row The column to set cursor to.
@return EFI_SUCCESS
@return The operation completed successfully.
@return EFI_DEVICE_ERROR
@return The request fails due to Graphics Console device error.
@return EFI_UNSUPPORTED
@return The Graphics Console is not in a valid text mode, or the cursor position
@return is invalid for current mode.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutSetCursorPosition (
@ -1555,32 +1504,6 @@ GraphicsConsoleConOutSetCursorPosition (
IN UINTN Column,
IN UINTN Row
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().
Arguments:
This - Indicates the calling context.
Column - The row to set cursor to.
Row - The column to set cursor to.
Returns:
EFI_SUCCESS
The operation completed successfully.
EFI_DEVICE_ERROR
The request fails due to Graphics Console device error.
EFI_UNSUPPORTED
The Graphics Console is not in a valid text mode, or the cursor position
is invalid for current mode.
--*/
{
GRAPHICS_CONSOLE_DEV *Private;
GRAPHICS_CONSOLE_MODE_DATA *ModeData;
@ -1617,34 +1540,27 @@ Done:
return Status;
}
/**
Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
In this driver, the cursor cannot be hidden.
@param This Indicates the calling context.
@param Visible If TRUE, the cursor is set to be visible, If FALSE,
the cursor is set to be invisible.
@return EFI_SUCCESS
@return The request is valid.
@return EFI_UNSUPPORTED
@return The Graphics Console does not support a hidden cursor.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutEnableCursor (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN BOOLEAN Visible
)
/*++
Routine Description:
Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
In this driver, the cursor cannot be hidden.
Arguments:
This - Indicates the calling context.
Visible - If TRUE, the cursor is set to be visible,
If FALSE, the cursor is set to be invisible.
Returns:
EFI_SUCCESS
The request is valid.
EFI_UNSUPPORTED
The Graphics Console does not support a hidden cursor.
--*/
{
EFI_TPL OldTpl;
@ -1660,7 +1576,6 @@ GraphicsConsoleConOutEnableCursor (
return EFI_SUCCESS;
}
STATIC
EFI_STATUS
GetTextColors (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
@ -1798,7 +1713,6 @@ DrawUnicodeWeightAtCursorN (
}
STATIC
EFI_STATUS
EraseCursor (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
@ -1813,8 +1727,8 @@ EraseCursor (
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 X;
UINTN Y;
UINTN PosX;
UINTN PosY;
CurrentMode = This->Mode;
@ -1867,10 +1781,10 @@ EraseCursor (
//
// Convert Monochrome bitmap of the Glyph to BltBuffer structure
//
for (Y = 0; Y < EFI_GLYPH_HEIGHT; Y++) {
for (X = 0; X < EFI_GLYPH_WIDTH; X++) {
if ((mCursorGlyph.GlyphCol1[Y] & (1 << X)) != 0) {
BltChar[Y][EFI_GLYPH_WIDTH - X - 1].Raw ^= Foreground.Raw;
for (PosY = 0; PosY < EFI_GLYPH_HEIGHT; PosY++) {
for (PosX = 0; PosX < EFI_GLYPH_WIDTH; PosX++) {
if ((mCursorGlyph.GlyphCol1[PosY] & (1 << PosX)) != 0) {
BltChar[PosY][EFI_GLYPH_WIDTH - PosX - 1].Raw ^= Foreground.Raw;
}
}
}

View File

@ -1,7 +1,7 @@
/** @file
Header file for GraphicsConsole driver.
Copyright (c) 2006, Intel Corporation. <BR>
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -12,8 +12,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _GRAPHICS_CONSOLE_H
#define _GRAPHICS_CONSOLE_H
#ifndef _GRAPHICS_CONSOLE_H_
#define _GRAPHICS_CONSOLE_H_
#include <PiDxe.h>
#include <Protocol/SimpleTextOut.h>
@ -228,11 +228,23 @@ ReturnNarrowFontSize (
VOID
);
UINTN
ReturnWideFontSize (
VOID
);
/**
Implements SIMPLE_TEXT_OUTPUT.Reset().
If ExtendeVerification 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 Indicates the calling context.
@param ExtendedVerification Indicates that the driver may perform a more
exhaustive verification operation of the device
during reset.
@return EFI_SUCCESS
@return The reset operation succeeds.
@return EFI_DEVICE_ERROR
@return The Graphics Console is not functioning correctly
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutReset (
@ -240,6 +252,24 @@ GraphicsConsoleConOutReset (
IN BOOLEAN ExtendedVerification
);
/**
Implements SIMPLE_TEXT_OUTPUT.OutputString().
The Unicode string will be converted to Glyphs and will be
sent to the Graphics Console.
@param This Indicates the calling context.
@param WString The Null-terminated Unicode string to be displayed
on the Graphics Console.
@return EFI_SUCCESS
@return The string is output successfully.
@return EFI_DEVICE_ERROR
@return The Graphics Console failed to send the string out.
@return EFI_WARN_UNKNOWN_GLYPH
@return Indicates that some of the characters in the Unicode string could not
@return be rendered and are skipped.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutOutputString (
@ -247,6 +277,22 @@ GraphicsConsoleConOutOutputString (
IN CHAR16 *WString
);
/**
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 Indicates the calling context.
@param WString The Null-terminated Unicode string to be tested.
@return EFI_SUCCESS
@return The Graphics Console is capable of rendering the output string.
@return EFI_UNSUPPORTED
@return Some of the characters in the Unicode string cannot be rendered.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutTestString (
@ -254,6 +300,24 @@ GraphicsConsoleConOutTestString (
IN CHAR16 *WString
);
/**
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 Indicates the calling context.
@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.
@return EFI_SUCCESS
@return The requested mode information is returned.
@return EFI_UNSUPPORTED
@return The mode number is not valid.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutQueryMode (
@ -263,6 +327,22 @@ GraphicsConsoleConOutQueryMode (
OUT UINTN *Rows
);
/**
Implements SIMPLE_TEXT_OUTPUT.SetMode().
Set the Graphics Console to a specified mode.
In this driver, we only support mode 0.
@param This Indicates the calling context.
@param ModeNumber The text mode to set.
@return EFI_SUCCESS
@return The requested text mode is set.
@return EFI_DEVICE_ERROR
@return The requested text mode cannot be set because of Graphics Console device error.
@return EFI_UNSUPPORTED
@return The text mode number is not valid.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutSetMode (
@ -270,6 +350,18 @@ GraphicsConsoleConOutSetMode (
IN UINTN ModeNumber
);
/**
Implements SIMPLE_TEXT_OUTPUT.SetAttribute().
@param This Indicates the calling context.
@param Attribute The attribute to set. Only bit0..6 are valid, all
other bits are undefined and must be zero.
@return EFI_SUCCESS The requested attribute is set.
@return EFI_DEVICE_ERROR The requested attribute cannot be set due to Graphics Console port error.
@return EFI_UNSUPPORTED The attribute requested is not defined by EFI spec.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutSetAttribute (
@ -277,12 +369,43 @@ GraphicsConsoleConOutSetAttribute (
IN UINTN Attribute
);
/**
Implements SIMPLE_TEXT_OUTPUT.ClearScreen().
It clears the Graphics Console's display to the
currently selected background color.
@param This Indicates the calling context.
@return EFI_SUCCESS
@return The operation completed successfully.
@return EFI_DEVICE_ERROR
@return The Graphics Console cannot be cleared due to Graphics Console device error.
@return EFI_UNSUPPORTED
@return The Graphics Console is not in a valid text mode.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutClearScreen (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
);
/**
Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().
@param This Indicates the calling context.
@param Column The row to set cursor to.
@param Row The column to set cursor to.
@return EFI_SUCCESS
@return The operation completed successfully.
@return EFI_DEVICE_ERROR
@return The request fails due to Graphics Console device error.
@return EFI_UNSUPPORTED
@return The Graphics Console is not in a valid text mode, or the cursor position
@return is invalid for current mode.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutSetCursorPosition (
@ -291,6 +414,20 @@ GraphicsConsoleConOutSetCursorPosition (
IN UINTN Row
);
/**
Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
In this driver, the cursor cannot be hidden.
@param This Indicates the calling context.
@param Visible If TRUE, the cursor is set to be visible, If FALSE,
the cursor is set to be invisible.
@return EFI_SUCCESS
@return The request is valid.
@return EFI_UNSUPPORTED
@return The Graphics Console does not support a hidden cursor.
**/
EFI_STATUS
EFIAPI
GraphicsConsoleConOutEnableCursor (
@ -323,6 +460,7 @@ GraphicsConsoleControllerDriverStop (
IN EFI_HANDLE *ChildHandleBuffer
);
EFI_STATUS
EfiLocateHiiProtocol (
VOID

View File

@ -1,7 +1,7 @@
/** @file
Narrow font Data definition for GraphicsConsole driver.
Copyright (c) 2006, Intel Corporation. <BR>
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at