diff options
Diffstat (limited to 'EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c')
| -rw-r--r-- | EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c | 995 |
1 files changed, 0 insertions, 995 deletions
diff --git a/EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c b/EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c deleted file mode 100644 index c26585f63e..0000000000 --- a/EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c +++ /dev/null @@ -1,995 +0,0 @@ -/*++
-
-Copyright (c) 2006, Intel Corporation
-All rights reserved. This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-Module Name:
-
- TerminalConOut.c
-
-Abstract:
-
-
-Revision History
---*/
-
-#include "Terminal.h"
-
-//
-// This list is used to define the valid extend chars.
-// It also provides a mapping from Unicode to PCANSI or
-// ASCII. The ASCII mapping we just made up.
-//
-//
-STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {
- { BOXDRAW_HORIZONTAL, 0xc4, L'-' },
- { BOXDRAW_VERTICAL, 0xb3, L'|' },
- { BOXDRAW_DOWN_RIGHT, 0xda, L'/' },
- { BOXDRAW_DOWN_LEFT, 0xbf, L'\\' },
- { BOXDRAW_UP_RIGHT, 0xc0, L'\\' },
- { BOXDRAW_UP_LEFT, 0xd9, L'/' },
- { BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|' },
- { BOXDRAW_VERTICAL_LEFT, 0xb4, L'|' },
- { BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+' },
- { BOXDRAW_UP_HORIZONTAL, 0xc1, L'+' },
- { BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+' },
- { BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-' },
- { BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|' },
- { BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/' },
- { BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/' },
- { BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/' },
- { BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\' },
- { BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\' },
- { BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\' },
- { BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\' },
- { BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\' },
- { BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\' },
- { BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/' },
- { BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/' },
- { BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/' },
- { BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|' },
- { BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|' },
- { BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|' },
- { BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|' },
- { BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|' },
- { BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|' },
- { BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+' },
- { BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+' },
- { BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+' },
- { BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+' },
- { BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+' },
- { BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+' },
- { BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+' },
- { BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+' },
- { BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+' },
-
- { BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*' },
- { BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+' },
-
- { GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^' },
- { GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>' },
- { GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v' },
- { GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<' },
-
- { ARROW_LEFT, 0x3c, L'<' },
- { ARROW_UP, 0x18, L'^' },
- { ARROW_RIGHT, 0x3e, L'>' },
- { ARROW_DOWN, 0x19, L'v' },
-
- { 0x0000, 0x00, L'\0' }
-};
-
-CHAR16 mSetModeString[] = { ESC, '[', '=', '3', 'h', 0 };
-CHAR16 mSetAttributeString[] = { ESC, '[', '0', 'm', ESC, '[', '4', '0', 'm', ESC, '[', '4', '0', 'm', 0 };
-CHAR16 mClearScreenString[] = { ESC, '[', '2', 'J', 0 };
-CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0 };
-
-//
-// Body of the ConOut functions
-//
-EFI_STATUS
-EFIAPI
-TerminalConOutReset (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.Reset().
- If ExtendeVerification is TRUE, then perform dependent serial 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 terminal is not functioning correctly or the serial port reset fails.
-
---*/
-{
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- //
- // Perform a more exhaustive reset by resetting the serial port.
- //
- if (ExtendedVerification) {
- //
- // Report progress code here
- //
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_PROGRESS_CODE,
- EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET,
- TerminalDevice->DevicePath
- );
-
- Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);
- if (EFI_ERROR (Status)) {
- //
- // Report error code here
- //
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_ERROR_CODE | EFI_ERROR_MINOR,
- EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,
- TerminalDevice->DevicePath
- );
-
- return Status;
- }
- }
-
- This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));
-
- Status = This->SetMode (This, 0);
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutOutputString (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN CHAR16 *WString
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.OutputString().
- The Unicode string will be converted to terminal expressible data stream
- and send to terminal via serial port.
-
-
- Arguments:
-
- This - Indicates the calling context.
-
- WString - The Null-terminated Unicode string to be displayed on
- the terminal screen.
-
- Returns:
-
- EFI_SUCCESS
- The string is output successfully.
-
- EFI_DEVICE_ERROR
- The serial port fails 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.
-
- EFI_UNSUPPORTED
-
---*/
-{
- TERMINAL_DEV *TerminalDevice;
- EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;
- UINTN MaxColumn;
- UINTN MaxRow;
- UINTN Length;
- UTF8_CHAR Utf8Char;
- CHAR8 GraphicChar;
- CHAR8 AsciiChar;
- EFI_STATUS Status;
- UINT8 ValidBytes;
- //
- // flag used to indicate whether condition happens which will cause
- // return EFI_WARN_UNKNOWN_GLYPH
- //
- BOOLEAN Warning;
-
- ValidBytes = 0;
- Warning = FALSE;
-
- //
- // get Terminal device data structure pointer.
- //
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- //
- // get current display mode
- // Terminal driver only support mode 0
- //
- Mode = This->Mode;
- if (Mode->Mode != 0) {
- return EFI_UNSUPPORTED;
- }
-
- This->QueryMode (
- This,
- Mode->Mode,
- &MaxColumn,
- &MaxRow
- );
-
- for (; *WString != CHAR_NULL; WString++) {
-
- switch (TerminalDevice->TerminalType) {
-
- case PcAnsiType:
- case VT100Type:
- case VT100PlusType:
-
- if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {
- //
- // If it's not a graphic character convert Unicode to ASCII.
- //
- GraphicChar = (CHAR8) *WString;
-
- if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar (GraphicChar))) {
- //
- // when this driver use the OutputString to output control string,
- // TerminalDevice->OutputEscChar is set to let the Esc char
- // to be output to the terminal emulation software.
- //
- if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {
- GraphicChar = 27;
- } else {
- GraphicChar = '?';
- Warning = TRUE;
- }
- }
-
- AsciiChar = GraphicChar;
-
- }
-
- if (TerminalDevice->TerminalType != PcAnsiType) {
- GraphicChar = AsciiChar;
- }
-
- Length = 1;
-
- Status = TerminalDevice->SerialIo->Write (
- TerminalDevice->SerialIo,
- &Length,
- &GraphicChar
- );
-
- if (EFI_ERROR (Status)) {
- goto OutputError;
- }
-
- break;
-
- case VTUTF8Type:
- UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);
- Length = ValidBytes;
- Status = TerminalDevice->SerialIo->Write (
- TerminalDevice->SerialIo,
- &Length,
- (UINT8 *) &Utf8Char
- );
- if (EFI_ERROR (Status)) {
- goto OutputError;
- }
- break;
- }
- //
- // Update cursor position.
- //
- switch (*WString) {
-
- case CHAR_BACKSPACE:
- if (Mode->CursorColumn > 0) {
- Mode->CursorColumn--;
- }
- break;
-
- case CHAR_LINEFEED:
- if (Mode->CursorRow < (INT32) (MaxRow - 1)) {
- Mode->CursorRow++;
- }
- break;
-
- case CHAR_CARRIAGE_RETURN:
- Mode->CursorColumn = 0;
- break;
-
- default:
- if (Mode->CursorColumn < (INT32) (MaxColumn - 1)) {
-
- Mode->CursorColumn++;
-
- } else {
-
- Mode->CursorColumn = 0;
- if (Mode->CursorRow < (INT32) (MaxRow - 1)) {
- Mode->CursorRow++;
- }
-
- }
- break;
-
- };
-
- }
-
- if (Warning) {
- return EFI_WARN_UNKNOWN_GLYPH;
- }
-
- return EFI_SUCCESS;
-
-OutputError:
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (
- EFI_ERROR_CODE | EFI_ERROR_MINOR,
- EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_OUTPUT_ERROR,
- TerminalDevice->DevicePath
- );
-
- return EFI_DEVICE_ERROR;
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutTestString (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN CHAR16 *WString
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.TestString().
- If one of the characters in the *Wstring is
- neither valid Unicode drawing characters,
- not ASCII code, then this function will return
- EFI_UNSUPPORTED.
-
-
- Arguments:
-
- This - Indicates the calling context.
-
- WString - The Null-terminated Unicode string to be tested.
-
- Returns:
-
- EFI_SUCCESS
- The terminal is capable of rendering the output string.
-
- EFI_UNSUPPORTED
- Some of the characters in the Unicode string cannot be rendered.
-
---*/
-{
- TERMINAL_DEV *TerminalDevice;
- EFI_STATUS Status;
-
- //
- // get Terminal device data structure pointer.
- //
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- switch (TerminalDevice->TerminalType) {
-
- case PcAnsiType:
- case VT100Type:
- case VT100PlusType:
- Status = AnsiTestString (TerminalDevice, WString);
- break;
-
- case VTUTF8Type:
- Status = VTUTF8TestString (TerminalDevice, WString);
- break;
-
- default:
- Status = EFI_UNSUPPORTED;
- break;
- }
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutQueryMode (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN UINTN ModeNumber,
- OUT UINTN *Columns,
- OUT UINTN *Rows
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.QueryMode().
- It returns information for an available text mode
- that the terminal 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.
-
- EFI_DEVICE_ERROR
-
---*/
-{
- if (This->Mode->MaxMode > 1) {
- return EFI_DEVICE_ERROR;
- }
-
- if (ModeNumber == 0) {
-
- *Columns = MODE0_COLUMN_COUNT;
- *Rows = MODE0_ROW_COUNT;
-
- return EFI_SUCCESS;
- }
-
- return EFI_UNSUPPORTED;
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutSetMode (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN UINTN ModeNumber
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT.SetMode().
- Set the terminal to a specified display 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 serial device error.
-
- EFI_UNSUPPORTED
- The text mode number is not valid.
-
---*/
-{
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- //
- // get Terminal device data structure pointer.
- //
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- if (ModeNumber != 0) {
- return EFI_UNSUPPORTED;
- }
-
- This->Mode->Mode = 0;
-
- This->ClearScreen (This);
-
- TerminalDevice->OutputEscChar = TRUE;
- Status = This->OutputString (This, mSetModeString);
- TerminalDevice->OutputEscChar = FALSE;
-
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- This->Mode->Mode = 0;
-
- Status = This->ClearScreen (This);
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- return EFI_SUCCESS;
-
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutSetAttribute (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN UINTN Attribute
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.SetAttribute().
-
- Arguments:
-
- This
- Indicates the calling context.
-
- Attribute
- 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 serial port error.
-
- EFI_UNSUPPORTED
- The attribute requested is not defined by EFI spec.
-
---*/
-{
- UINT8 ForegroundControl;
- UINT8 BackgroundControl;
- UINT8 BrightControl;
- INT32 SavedColumn;
- INT32 SavedRow;
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- SavedColumn = 0;
- SavedRow = 0;
-
- //
- // get Terminal device data structure pointer.
- //
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- //
- // only the bit0..6 of the Attribute is valid
- //
- if ((Attribute | 0x7f) != 0x7f) {
- return EFI_UNSUPPORTED;
- }
- //
- // convert Attribute value to terminal emulator
- // understandable foreground color
- //
- switch (Attribute & 0x07) {
-
- case EFI_BLACK:
- ForegroundControl = 30;
- break;
-
- case EFI_BLUE:
- ForegroundControl = 34;
- break;
-
- case EFI_GREEN:
- ForegroundControl = 32;
- break;
-
- case EFI_CYAN:
- ForegroundControl = 36;
- break;
-
- case EFI_RED:
- ForegroundControl = 31;
- break;
-
- case EFI_MAGENTA:
- ForegroundControl = 35;
- break;
-
- case EFI_BROWN:
- ForegroundControl = 33;
- break;
-
- default:
-
- case EFI_LIGHTGRAY:
- ForegroundControl = 37;
- break;
-
- }
- //
- // bit4 of the Attribute indicates bright control
- // of terminal emulator.
- //
- BrightControl = (UINT8) ((Attribute >> 3) & 1);
-
- //
- // convert Attribute value to terminal emulator
- // understandable background color.
- //
- switch ((Attribute >> 4) & 0x07) {
-
- case EFI_BLACK:
- BackgroundControl = 40;
- break;
-
- case EFI_BLUE:
- BackgroundControl = 44;
- break;
-
- case EFI_GREEN:
- BackgroundControl = 42;
- break;
-
- case EFI_CYAN:
- BackgroundControl = 46;
- break;
-
- case EFI_RED:
- BackgroundControl = 41;
- break;
-
- case EFI_MAGENTA:
- BackgroundControl = 45;
- break;
-
- case EFI_BROWN:
- BackgroundControl = 43;
- break;
-
- default:
-
- case EFI_LIGHTGRAY:
- BackgroundControl = 47;
- break;
- }
- //
- // terminal emulator's control sequence to set attributes
- //
- mSetAttributeString[BRIGHT_CONTROL_OFFSET] = (CHAR16) ('0' + BrightControl);
- mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (ForegroundControl / 10));
- mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (ForegroundControl % 10));
- mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (BackgroundControl / 10));
- mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (BackgroundControl % 10));
-
- //
- // save current column and row
- // for future scrolling back use.
- //
- SavedColumn = This->Mode->CursorColumn;
- SavedRow = This->Mode->CursorRow;
-
- TerminalDevice->OutputEscChar = TRUE;
- Status = This->OutputString (This, mSetAttributeString);
- TerminalDevice->OutputEscChar = FALSE;
-
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
- //
- // scroll back to saved cursor position.
- //
- This->Mode->CursorColumn = SavedColumn;
- This->Mode->CursorRow = SavedRow;
-
- This->Mode->Attribute = (INT32) Attribute;
-
- return EFI_SUCCESS;
-
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutClearScreen (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.ClearScreen().
- It clears the ANSI terminal'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 terminal screen cannot be cleared due to serial port error.
-
- EFI_UNSUPPORTED
- The terminal is not in a valid display mode.
-
---*/
-{
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- //
- // control sequence for clear screen request
- //
- TerminalDevice->OutputEscChar = TRUE;
- Status = This->OutputString (This, mClearScreenString);
- TerminalDevice->OutputEscChar = FALSE;
-
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
-
- Status = This->SetCursorPosition (This, 0, 0);
-
- return Status;
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutSetCursorPosition (
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
- IN UINTN Column,
- IN UINTN Row
- )
-/*++
- Routine Description:
-
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.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 serial port error.
-
- EFI_UNSUPPORTED
- The terminal is not in a valid text mode, or the cursor position
- is invalid for current mode.
-
---*/
-{
- EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;
- UINTN MaxColumn;
- UINTN MaxRow;
- EFI_STATUS Status;
- TERMINAL_DEV *TerminalDevice;
-
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
-
- //
- // get current mode
- //
- Mode = This->Mode;
-
- //
- // get geometry of current mode
- //
- Status = This->QueryMode (
- This,
- Mode->Mode,
- &MaxColumn,
- &MaxRow
- );
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
-
- if (Column >= MaxColumn || Row >= MaxRow) {
- return EFI_UNSUPPORTED;
- }
- //
- // control sequence to move the cursor
- //
- mSetCursorPositionString[ROW_OFFSET + 0] = (CHAR16) ('0' + ((Row + 1) / 10));
- mSetCursorPositionString[ROW_OFFSET + 1] = (CHAR16) ('0' + ((Row + 1) % 10));
- mSetCursorPositionString[COLUMN_OFFSET + 0] = (CHAR16) ('0' + ((Column + 1) / 10));
- mSetCursorPositionString[COLUMN_OFFSET + 1] = (CHAR16) ('0' + ((Column + 1) % 10));
-
- TerminalDevice->OutputEscChar = TRUE;
- Status = This->OutputString (This, mSetCursorPositionString);
- TerminalDevice->OutputEscChar = FALSE;
-
- if (EFI_ERROR (Status)) {
- return EFI_DEVICE_ERROR;
- }
- //
- // update current cursor position
- // in the Mode data structure.
- //
- Mode->CursorColumn = (INT32) Column;
- Mode->CursorRow = (INT32) Row;
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-EFIAPI
-TerminalConOutEnableCursor (
- IN EFI_SIMPLE_TEXT_OUT_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 terminal does not support cursor hidden.
-
---*/
-{
- if (!Visible) {
- return EFI_UNSUPPORTED;
- }
-
- return EFI_SUCCESS;
-}
-
-BOOLEAN
-TerminalIsValidTextGraphics (
- IN CHAR16 Graphic,
- OUT CHAR8 *PcAnsi, OPTIONAL
- OUT CHAR8 *Ascii OPTIONAL
- )
-/*++
-
-Routine Description:
-
- Detects if a Unicode char is for Box Drawing text graphics.
-
-Arguments:
-
- Graphic - Unicode char to test.
-
- PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.
-
- Ascii - Optional pointer to return ASCII equivalent of Graphic.
-
-Returns:
-
- TRUE if Graphic is a supported Unicode Box Drawing character.
-
---*/
-{
- UNICODE_TO_CHAR *Table;
-
- if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {
- //
- // Unicode drawing code charts are all in the 0x25xx range,
- // arrows are 0x21xx
- //
- return FALSE;
- }
-
- for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {
- if (Graphic == Table->Unicode) {
- if (PcAnsi != NULL) {
- *PcAnsi = Table->PcAnsi;
- }
-
- if (Ascii != NULL) {
- *Ascii = Table->Ascii;
- }
-
- return TRUE;
- }
- }
-
- return FALSE;
-}
-
-BOOLEAN
-TerminalIsValidAscii (
- IN CHAR16 Ascii
- )
-{
- //
- // valid ascii code lies in the extent of 0x20 ~ 0x7f
- //
- if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-BOOLEAN
-TerminalIsValidEfiCntlChar (
- IN CHAR16 CharC
- )
-{
- //
- // only support four control characters.
- //
- if (CharC == CHAR_NULL ||
- CharC == CHAR_BACKSPACE ||
- CharC == CHAR_LINEFEED ||
- CharC == CHAR_CARRIAGE_RETURN ||
- CharC == CHAR_TAB
- ) {
- return TRUE;
- }
-
- return FALSE;
-}
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