Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bbahnsen
997
EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c
Normal file
997
EdkModulePkg/Universal/Console/Terminal/Dxe/TerminalConOut.c
Normal file
@@ -0,0 +1,997 @@
|
||||
/*++
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Copyright (c) 2006, Intel Corporation
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||||
All rights reserved. This program and the accompanying materials
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||||
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
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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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Module Name:
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TerminalConOut.c
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Abstract:
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||||
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Revision History
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--*/
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#include "Terminal.h"
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#include <Common/StatusCode.h>
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//
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// This list is used to define the valid extend chars.
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// It also provides a mapping from Unicode to PCANSI or
|
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// ASCII. The ASCII mapping we just made up.
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//
|
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//
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STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {
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{ BOXDRAW_HORIZONTAL, 0xc4, L'-' },
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{ BOXDRAW_VERTICAL, 0xb3, L'|' },
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{ BOXDRAW_DOWN_RIGHT, 0xda, L'/' },
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{ BOXDRAW_DOWN_LEFT, 0xbf, L'\\' },
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{ BOXDRAW_UP_RIGHT, 0xc0, L'\\' },
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{ BOXDRAW_UP_LEFT, 0xd9, L'/' },
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{ BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|' },
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{ BOXDRAW_VERTICAL_LEFT, 0xb4, L'|' },
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{ BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+' },
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{ BOXDRAW_UP_HORIZONTAL, 0xc1, L'+' },
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{ BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+' },
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{ BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-' },
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{ BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|' },
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{ BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/' },
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{ BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/' },
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{ BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/' },
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{ BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\' },
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{ BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\' },
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{ BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\' },
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{ BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\' },
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{ BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\' },
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{ BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\' },
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{ BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/' },
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{ BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/' },
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{ BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/' },
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{ BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|' },
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{ BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|' },
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{ BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|' },
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{ BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|' },
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{ BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|' },
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{ BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|' },
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{ BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+' },
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{ BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+' },
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{ BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+' },
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{ BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+' },
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{ BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+' },
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{ BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+' },
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{ BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+' },
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{ BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+' },
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{ BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+' },
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{ BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*' },
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{ BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+' },
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{ GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^' },
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{ GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>' },
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{ GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v' },
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{ GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<' },
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{ ARROW_LEFT, 0x3c, L'<' },
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{ ARROW_UP, 0x18, L'^' },
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{ ARROW_RIGHT, 0x3e, L'>' },
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{ ARROW_DOWN, 0x19, L'v' },
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{ 0x0000, 0x00, L'\0' }
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};
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CHAR16 mSetModeString[] = { ESC, '[', '=', '3', 'h', 0 };
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CHAR16 mSetAttributeString[] = { ESC, '[', '0', 'm', ESC, '[', '4', '0', 'm', ESC, '[', '4', '0', 'm', 0 };
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CHAR16 mClearScreenString[] = { ESC, '[', '2', 'J', 0 };
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CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0 };
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//
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// Body of the ConOut functions
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//
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EFI_STATUS
|
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EFIAPI
|
||||
TerminalConOutReset (
|
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IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,
|
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IN BOOLEAN ExtendedVerification
|
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)
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/*++
|
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Routine Description:
|
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|
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Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.Reset().
|
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If ExtendeVerification is TRUE, then perform dependent serial device reset,
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and set display mode to mode 0.
|
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If ExtendedVerification is FALSE, only set display mode to mode 0.
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||||
|
||||
Arguments:
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||||
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This - Indicates the calling context.
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|
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ExtendedVerification - Indicates that the driver may perform a more exhaustive
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verification operation of the device during reset.
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|
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Returns:
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EFI_SUCCESS
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The reset operation succeeds.
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EFI_DEVICE_ERROR
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||||
The terminal is not functioning correctly or the serial port reset fails.
|
||||
|
||||
--*/
|
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{
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||||
EFI_STATUS Status;
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||||
TERMINAL_DEV *TerminalDevice;
|
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|
||||
TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);
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//
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// Perform a more exhaustive reset by resetting the serial port.
|
||||
//
|
||||
if (ExtendedVerification) {
|
||||
//
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||||
// Report progress code here
|
||||
//
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||||
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) {
|
||||
|
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case PcAnsiType:
|
||||
case VT100Type:
|
||||
case VT100PlusType:
|
||||
|
||||
if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {
|
||||
//
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||||
// If it's not a graphic character convert Unicode to ASCII.
|
||||
//
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||||
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;
|
||||
}
|
||||
Reference in New Issue
Block a user