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324 lines
12 KiB
C
324 lines
12 KiB
C
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/** @file
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Provides interface to shell console logger.
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _CONSOLE_LOGGER_HEADER_
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#define _CONSOLE_LOGGER_HEADER_
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#include "Shell.h"
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#define CONSOLE_LOGGER_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('c', 'o', 'P', 'D')
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typedef struct _CONSOLE_LOGGER_PRIVATE_DATA{
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UINTN Signature;
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EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL OurConOut; ///< the protocol we installed onto the system table
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EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *OldConOut; ///< old protocol to reinstall upon exiting
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EFI_HANDLE OldConHandle; ///< old protocol handle
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UINTN ScreenCount; ///< How many screens worth of data to save
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CHAR16 *Buffer; ///< Buffer to save data
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UINTN BufferSize; ///< size of buffer in bytes
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// start row is the top of the screen
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UINTN OriginalStartRow; ///< What the originally visible start row was
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UINTN CurrentStartRow; ///< what the currently visible start row is
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UINTN RowsPerScreen; ///< how many rows the screen can display
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UINTN ColsPerScreen; ///< how many columns the screen can display
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INT32 *Attributes; ///< Buffer for Attribute to be saved for each character
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UINTN AttribSize; ///< Size of Attributes in bytes
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EFI_SIMPLE_TEXT_OUTPUT_MODE HistoryMode; ///< mode of the history log
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BOOLEAN Enabled; ///< Set to FALSE when a break is requested.
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UINTN RowCounter; ///< Initial row of each print job.
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} CONSOLE_LOGGER_PRIVATE_DATA;
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#define CONSOLE_LOGGER_PRIVATE_DATA_FROM_THIS(a) CR (a, CONSOLE_LOGGER_PRIVATE_DATA, OurConOut, CONSOLE_LOGGER_PRIVATE_DATA_SIGNATURE)
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/**
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Install our intermediate ConOut into the system table to
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keep a log of all the info that is displayed to the user.
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@param[in] ScreensToSave Sets how many screen-worths of data to save.
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@param[out] ConsoleInfo The object to pass into later functions.
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@retval EFI_SUCCESS The operation was successful.
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@return other The operation failed.
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@sa ConsoleLoggerResetBuffers
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@sa InstallProtocolInterface
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**/
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EFI_STATUS
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ConsoleLoggerInstall(
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IN CONST UINTN ScreensToSave,
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OUT CONSOLE_LOGGER_PRIVATE_DATA **ConsoleInfo
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);
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/**
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Return the system to the state it was before InstallConsoleLogger
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was installed.
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@param[in, out] ConsoleInfo The object from the install function.
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@retval EFI_SUCCESS The operation was successful
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@return other The operation failed. This was from UninstallProtocolInterface.
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**/
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EFI_STATUS
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ConsoleLoggerUninstall(
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IN OUT CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo
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);
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/**
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Displays previously logged output back to the screen.
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This will scroll the screen forwards and backwards through the log of previous
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output. If Rows is 0 then the size of 1/2 the screen will be scrolled. If Rows
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is (UINTN)(-1) then the size of the screen will be scrolled.
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@param[in] Forward If TRUE then the log will be displayed forwards (scroll to newer).
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If FALSE then the log will be displayed backwards (scroll to older).
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@param[in] Rows Determines how many rows the log should scroll.
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@param[in] ConsoleInfo The pointer to the instance of the console logger information.
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**/
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EFI_STATUS
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ConsoleLoggerDisplayHistory(
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IN CONST BOOLEAN Forward,
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IN CONST UINTN Rows,
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IN CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo
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);
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/**
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Function to return to normal output whent he scrolling is complete.
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@param[in] ConsoleInfo The pointer to the instance of the console logger information.
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@retval EFI_SUCCESS The operation was successful.
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@return other The operation failed. See UpdateDisplayFromHistory.
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@sa UpdateDisplayFromHistory
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**/
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EFI_STATUS
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ConsoleLoggerStopHistory(
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IN CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo
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);
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/**
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Updates the hidden ConOut to be displaying the correct stuff.
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@param[in] ConsoleInfo The pointer to the instance of the console logger information.
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@retval EFI_SUCCESS The operation was successful.
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@return other The operation failed.
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**/
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EFI_STATUS
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UpdateDisplayFromHistory(
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IN CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo
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);
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/**
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Reset the text output device hardware and optionaly run diagnostics
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@param This Pointer to EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL
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@param ExtendedVerification Indicates that a more extensive test may be performed
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@retval EFI_SUCCESS The text output device was reset.
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@retval EFI_DEVICE_ERROR The text output device is not functioning correctly and
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could not be reset.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerReset (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN ExtendedVerification
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);
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/**
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Write a Unicode string to the output device.
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@param[in] This Protocol instance pointer.
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@param[in] WString The NULL-terminated Unicode string to be displayed on the output
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device(s). All output devices must also support the Unicode
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drawing defined in this file.
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@retval EFI_SUCCESS The string was output to the device.
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@retval EFI_DEVICE_ERROR The device reported an error while attempting to output
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the text.
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@retval EFI_UNSUPPORTED The output device's mode is not currently in a
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defined text mode.
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@retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the
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characters in the Unicode string could not be
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rendered and were skipped.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerOutputString(
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *WString
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);
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/**
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Verifies that all characters in a Unicode string can be output to the
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target device.
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@param[in] This Protocol instance pointer.
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@param[in] WString The NULL-terminated Unicode string to be examined for the output
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device(s).
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@retval EFI_SUCCESS The device(s) are capable of rendering the output string.
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@retval EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be
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rendered by one or more of the output devices mapped
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by the EFI handle.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerTestString (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN CHAR16 *WString
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);
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/**
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Returns information for an available text mode that the output device(s)
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supports.
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@param[in] This Protocol instance pointer.
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@param[in] ModeNumber The mode number to return information on.
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@param[out] Columns Upon return, the number of columns in the selected geometry
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@param[out] Rows Upon return, the number of rows in the selected geometry
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@retval EFI_SUCCESS The requested mode information was returned.
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@retval EFI_DEVICE_ERROR The device had an error and could not
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complete the request.
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@retval EFI_UNSUPPORTED The mode number was not valid.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerQueryMode (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber,
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OUT UINTN *Columns,
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OUT UINTN *Rows
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);
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/**
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Sets the output device(s) to a specified mode.
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@param[in] This Protocol instance pointer.
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@param[in] ModeNumber The mode number to set.
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@retval EFI_SUCCESS The requested text mode was set.
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@retval EFI_DEVICE_ERROR The device had an error and
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could not complete the request.
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@retval EFI_UNSUPPORTED The mode number was not valid.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerSetMode (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN ModeNumber
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);
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/**
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Sets the background and foreground colors for the OutputString () and
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ClearScreen () functions.
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@param[in] This Protocol instance pointer.
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@param[in] Attribute The attribute to set. Bits 0..3 are the foreground color, and
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bits 4..6 are the background color. All other bits are undefined
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and must be zero. The valid Attributes are defined in this file.
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@retval EFI_SUCCESS The attribute was set.
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@retval EFI_DEVICE_ERROR The device had an error and
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could not complete the request.
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@retval EFI_UNSUPPORTED The attribute requested is not defined.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerSetAttribute (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN Attribute
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);
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/**
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Clears the output device(s) display to the currently selected background
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color.
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@param[in] This Protocol instance pointer.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR The device had an error and
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could not complete the request.
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@retval EFI_UNSUPPORTED The output device is not in a valid text mode.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerClearScreen (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
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);
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/**
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Sets the current coordinates of the cursor position.
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@param[in] This Protocol instance pointer.
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@param[in] Column Column to put the cursor in. Must be between zero and Column returned from QueryMode
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@param[in] Row Row to put the cursor in. Must be between zero and Row returned from QueryMode
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR The device had an error and
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could not complete the request.
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@retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the
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cursor position is invalid for the current mode.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerSetCursorPosition (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN UINTN Column,
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IN UINTN Row
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);
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/**
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Makes the cursor visible or invisible
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@param[in] This Protocol instance pointer.
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@param[in] Visible If TRUE, the cursor is set to be visible. If FALSE, the cursor is
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set to be invisible.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_DEVICE_ERROR The device had an error and could not complete the
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request, or the device does not support changing
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the cursor mode.
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@retval EFI_UNSUPPORTED The output device is not in a valid text mode.
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**/
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EFI_STATUS
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EFIAPI
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ConsoleLoggerEnableCursor (
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IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
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IN BOOLEAN Visible
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);
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/**
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Function to update and verify that the current buffers are correct.
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@param[in] ConsoleInfo The pointer to the instance of the console logger information.
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This will be used when a mode has changed or a reset ocurred to verify all
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history buffers.
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**/
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EFI_STATUS
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ConsoleLoggerResetBuffers(
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IN CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo
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);
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#endif //_CONSOLE_LOGGER_HEADER_
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