+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006, Intel Corporation \r
-All rights reserved. This program and the accompanying materials \r
-are licensed and made available under the terms and conditions of the BSD License \r
-which accompanies this distribution. The full text of the license may be found at \r
-http://opensource.org/licenses/bsd-license.php \r
- \r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
-\r
-Module Name:\r
-\r
- TerminalConOut.c\r
- \r
-Abstract: \r
- \r
-\r
-Revision History\r
---*/\r
-\r
-#include "Terminal.h"\r
-\r
-//\r
-// This list is used to define the valid extend chars.\r
-// It also provides a mapping from Unicode to PCANSI or\r
-// ASCII. The ASCII mapping we just made up.\r
-//\r
-//\r
-STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {\r
- { BOXDRAW_HORIZONTAL, 0xc4, L'-' }, \r
- { BOXDRAW_VERTICAL, 0xb3, L'|' },\r
- { BOXDRAW_DOWN_RIGHT, 0xda, L'/' },\r
- { BOXDRAW_DOWN_LEFT, 0xbf, L'\\' },\r
- { BOXDRAW_UP_RIGHT, 0xc0, L'\\' },\r
- { BOXDRAW_UP_LEFT, 0xd9, L'/' },\r
- { BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|' },\r
- { BOXDRAW_VERTICAL_LEFT, 0xb4, L'|' },\r
- { BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+' },\r
- { BOXDRAW_UP_HORIZONTAL, 0xc1, L'+' },\r
- { BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+' },\r
- { BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-' },\r
- { BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|' },\r
- { BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/' },\r
- { BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/' },\r
- { BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/' },\r
- { BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\' },\r
- { BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\' },\r
- { BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\' },\r
- { BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\' },\r
- { BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\' },\r
- { BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\' },\r
- { BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/' },\r
- { BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/' },\r
- { BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/' },\r
- { BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|' },\r
- { BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|' },\r
- { BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|' },\r
- { BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|' },\r
- { BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|' },\r
- { BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|' },\r
- { BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+' },\r
- { BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+' },\r
- { BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+' },\r
- { BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+' },\r
- { BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+' },\r
- { BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+' },\r
- { BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+' },\r
- { BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+' },\r
- { BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+' },\r
-\r
- { BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*' },\r
- { BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+' },\r
-\r
- { GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^' },\r
- { GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>' },\r
- { GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v' },\r
- { GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<' },\r
-\r
- { ARROW_LEFT, 0x3c, L'<' },\r
- { ARROW_UP, 0x18, L'^' },\r
- { ARROW_RIGHT, 0x3e, L'>' },\r
- { ARROW_DOWN, 0x19, L'v' },\r
-\r
- { 0x0000, 0x00, L'\0' }\r
-};\r
-\r
-CHAR16 mSetModeString[] = { ESC, '[', '=', '3', 'h', 0 };\r
-CHAR16 mSetAttributeString[] = { ESC, '[', '0', 'm', ESC, '[', '4', '0', 'm', ESC, '[', '4', '0', 'm', 0 };\r
-CHAR16 mClearScreenString[] = { ESC, '[', '2', 'J', 0 };\r
-CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0 };\r
-\r
-//\r
-// Body of the ConOut functions\r
-//\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutReset (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN BOOLEAN ExtendedVerification\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.Reset().\r
- If ExtendeVerification is TRUE, then perform dependent serial device reset,\r
- and set display mode to mode 0.\r
- If ExtendedVerification is FALSE, only set display mode to mode 0.\r
- \r
- Arguments:\r
- \r
- This - Indicates the calling context.\r
- \r
- ExtendedVerification - Indicates that the driver may perform a more exhaustive\r
- verification operation of the device during reset.\r
- \r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The reset operation succeeds. \r
- \r
- EFI_DEVICE_ERROR\r
- The terminal is not functioning correctly or the serial port reset fails.\r
- \r
---*/\r
-{\r
- EFI_STATUS Status;\r
- TERMINAL_DEV *TerminalDevice;\r
-\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- //\r
- // Perform a more exhaustive reset by resetting the serial port.\r
- //\r
- if (ExtendedVerification) {\r
- //\r
- // Report progress code here\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_PROGRESS_CODE,\r
- EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET,\r
- TerminalDevice->DevicePath\r
- );\r
-\r
- Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // Report error code here\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
- EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,\r
- TerminalDevice->DevicePath\r
- );\r
-\r
- return Status;\r
- }\r
- }\r
-\r
- This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));\r
-\r
- Status = This->SetMode (This, 0);\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutOutputString (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN CHAR16 *WString\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.OutputString().\r
- The Unicode string will be converted to terminal expressible data stream\r
- and send to terminal via serial port.\r
- \r
- \r
- Arguments:\r
- \r
- This - Indicates the calling context.\r
- \r
- WString - The Null-terminated Unicode string to be displayed on \r
- the terminal screen.\r
- \r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The string is output successfully. \r
- \r
- EFI_DEVICE_ERROR\r
- The serial port fails to send the string out.\r
- \r
- EFI_WARN_UNKNOWN_GLYPH\r
- Indicates that some of the characters in the Unicode string could not \r
- be rendered and are skipped. \r
- \r
- EFI_UNSUPPORTED\r
- \r
---*/\r
-{\r
- TERMINAL_DEV *TerminalDevice;\r
- EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r
- UINTN MaxColumn;\r
- UINTN MaxRow;\r
- UINTN Length;\r
- UTF8_CHAR Utf8Char;\r
- CHAR8 GraphicChar;\r
- CHAR8 AsciiChar;\r
- EFI_STATUS Status;\r
- UINT8 ValidBytes;\r
- //\r
- // flag used to indicate whether condition happens which will cause\r
- // return EFI_WARN_UNKNOWN_GLYPH\r
- //\r
- BOOLEAN Warning;\r
-\r
- ValidBytes = 0;\r
- Warning = FALSE;\r
-\r
- //\r
- // get Terminal device data structure pointer.\r
- //\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- //\r
- // get current display mode\r
- // Terminal driver only support mode 0\r
- //\r
- Mode = This->Mode;\r
- if (Mode->Mode != 0) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- This->QueryMode (\r
- This,\r
- Mode->Mode,\r
- &MaxColumn,\r
- &MaxRow\r
- );\r
-\r
- for (; *WString != CHAR_NULL; WString++) {\r
-\r
- switch (TerminalDevice->TerminalType) {\r
-\r
- case PcAnsiType:\r
- case VT100Type:\r
- case VT100PlusType:\r
-\r
- if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {\r
- //\r
- // If it's not a graphic character convert Unicode to ASCII.\r
- //\r
- GraphicChar = (CHAR8) *WString;\r
-\r
- if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar (GraphicChar))) {\r
- //\r
- // when this driver use the OutputString to output control string,\r
- // TerminalDevice->OutputEscChar is set to let the Esc char\r
- // to be output to the terminal emulation software.\r
- //\r
- if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {\r
- GraphicChar = 27;\r
- } else {\r
- GraphicChar = '?';\r
- Warning = TRUE;\r
- }\r
- }\r
-\r
- AsciiChar = GraphicChar;\r
-\r
- }\r
-\r
- if (TerminalDevice->TerminalType != PcAnsiType) {\r
- GraphicChar = AsciiChar;\r
- }\r
-\r
- Length = 1;\r
-\r
- Status = TerminalDevice->SerialIo->Write (\r
- TerminalDevice->SerialIo,\r
- &Length,\r
- &GraphicChar\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- goto OutputError;\r
- }\r
-\r
- break;\r
-\r
- case VTUTF8Type:\r
- UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);\r
- Length = ValidBytes;\r
- Status = TerminalDevice->SerialIo->Write (\r
- TerminalDevice->SerialIo,\r
- &Length,\r
- (UINT8 *) &Utf8Char\r
- );\r
- if (EFI_ERROR (Status)) {\r
- goto OutputError;\r
- }\r
- break;\r
- }\r
- //\r
- // Update cursor position.\r
- //\r
- switch (*WString) {\r
-\r
- case CHAR_BACKSPACE:\r
- if (Mode->CursorColumn > 0) {\r
- Mode->CursorColumn--;\r
- }\r
- break;\r
-\r
- case CHAR_LINEFEED:\r
- if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r
- Mode->CursorRow++;\r
- }\r
- break;\r
-\r
- case CHAR_CARRIAGE_RETURN:\r
- Mode->CursorColumn = 0;\r
- break;\r
-\r
- default:\r
- if (Mode->CursorColumn < (INT32) (MaxColumn - 1)) {\r
-\r
- Mode->CursorColumn++;\r
-\r
- } else {\r
-\r
- Mode->CursorColumn = 0;\r
- if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r
- Mode->CursorRow++;\r
- }\r
-\r
- }\r
- break;\r
-\r
- };\r
-\r
- }\r
-\r
- if (Warning) {\r
- return EFI_WARN_UNKNOWN_GLYPH;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-\r
-OutputError:\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
- EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_OUTPUT_ERROR,\r
- TerminalDevice->DevicePath\r
- );\r
-\r
- return EFI_DEVICE_ERROR;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutTestString (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN CHAR16 *WString\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.TestString().\r
- If one of the characters in the *Wstring is\r
- neither valid Unicode drawing characters,\r
- not ASCII code, then this function will return\r
- EFI_UNSUPPORTED.\r
- \r
- \r
- Arguments:\r
- \r
- This - Indicates the calling context.\r
- \r
- WString - The Null-terminated Unicode string to be tested.\r
- \r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The terminal is capable of rendering the output string. \r
- \r
- EFI_UNSUPPORTED\r
- Some of the characters in the Unicode string cannot be rendered. \r
- \r
---*/\r
-{\r
- TERMINAL_DEV *TerminalDevice;\r
- EFI_STATUS Status;\r
-\r
- //\r
- // get Terminal device data structure pointer.\r
- //\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- switch (TerminalDevice->TerminalType) {\r
-\r
- case PcAnsiType:\r
- case VT100Type:\r
- case VT100PlusType:\r
- Status = AnsiTestString (TerminalDevice, WString);\r
- break;\r
-\r
- case VTUTF8Type:\r
- Status = VTUTF8TestString (TerminalDevice, WString);\r
- break;\r
-\r
- default:\r
- Status = EFI_UNSUPPORTED;\r
- break;\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutQueryMode (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN UINTN ModeNumber,\r
- OUT UINTN *Columns,\r
- OUT UINTN *Rows\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.QueryMode().\r
- It returns information for an available text mode\r
- that the terminal supports.\r
- In this driver, we only support text mode 80x25, which is\r
- defined as mode 0.\r
- \r
- \r
- Arguments:\r
- \r
- *This\r
- Indicates the calling context.\r
- \r
- ModeNumber\r
- The mode number to return information on.\r
- \r
- Columns\r
- The returned columns of the requested mode.\r
- \r
- Rows\r
- The returned rows of the requested mode. \r
- \r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The requested mode information is returned. \r
- \r
- EFI_UNSUPPORTED\r
- The mode number is not valid. \r
- \r
- EFI_DEVICE_ERROR\r
- \r
---*/\r
-{\r
- if (This->Mode->MaxMode > 1) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- if (ModeNumber == 0) {\r
-\r
- *Columns = MODE0_COLUMN_COUNT;\r
- *Rows = MODE0_ROW_COUNT;\r
-\r
- return EFI_SUCCESS;\r
- }\r
-\r
- return EFI_UNSUPPORTED;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutSetMode (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN UINTN ModeNumber\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT.SetMode().\r
- Set the terminal to a specified display mode.\r
- In this driver, we only support mode 0. \r
- \r
- Arguments:\r
- \r
- This\r
- Indicates the calling context.\r
- \r
- ModeNumber\r
- The text mode to set.\r
- \r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The requested text mode is set.\r
- \r
- EFI_DEVICE_ERROR\r
- The requested text mode cannot be set because of serial device error.\r
- \r
- EFI_UNSUPPORTED\r
- The text mode number is not valid. \r
- \r
---*/\r
-{\r
- EFI_STATUS Status;\r
- TERMINAL_DEV *TerminalDevice;\r
-\r
- //\r
- // get Terminal device data structure pointer.\r
- //\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- if (ModeNumber != 0) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- This->Mode->Mode = 0;\r
-\r
- This->ClearScreen (This);\r
-\r
- TerminalDevice->OutputEscChar = TRUE;\r
- Status = This->OutputString (This, mSetModeString);\r
- TerminalDevice->OutputEscChar = FALSE;\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- This->Mode->Mode = 0;\r
-\r
- Status = This->ClearScreen (This);\r
- if (EFI_ERROR (Status)) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutSetAttribute (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN UINTN Attribute\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.SetAttribute(). \r
- \r
- Arguments:\r
- \r
- This\r
- Indicates the calling context.\r
- \r
- Attribute\r
- The attribute to set. Only bit0..6 are valid, all other bits\r
- are undefined and must be zero.\r
- \r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The requested attribute is set. \r
- \r
- EFI_DEVICE_ERROR\r
- The requested attribute cannot be set due to serial port error.\r
- \r
- EFI_UNSUPPORTED\r
- The attribute requested is not defined by EFI spec. \r
- \r
---*/\r
-{\r
- UINT8 ForegroundControl;\r
- UINT8 BackgroundControl;\r
- UINT8 BrightControl;\r
- INT32 SavedColumn;\r
- INT32 SavedRow;\r
- EFI_STATUS Status;\r
- TERMINAL_DEV *TerminalDevice;\r
-\r
- SavedColumn = 0;\r
- SavedRow = 0;\r
-\r
- //\r
- // get Terminal device data structure pointer.\r
- //\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- //\r
- // only the bit0..6 of the Attribute is valid\r
- //\r
- if ((Attribute | 0x7f) != 0x7f) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- //\r
- // convert Attribute value to terminal emulator\r
- // understandable foreground color\r
- //\r
- switch (Attribute & 0x07) {\r
-\r
- case EFI_BLACK:\r
- ForegroundControl = 30;\r
- break;\r
-\r
- case EFI_BLUE:\r
- ForegroundControl = 34;\r
- break;\r
-\r
- case EFI_GREEN:\r
- ForegroundControl = 32;\r
- break;\r
-\r
- case EFI_CYAN:\r
- ForegroundControl = 36;\r
- break;\r
-\r
- case EFI_RED:\r
- ForegroundControl = 31;\r
- break;\r
-\r
- case EFI_MAGENTA:\r
- ForegroundControl = 35;\r
- break;\r
-\r
- case EFI_BROWN:\r
- ForegroundControl = 33;\r
- break;\r
-\r
- default:\r
-\r
- case EFI_LIGHTGRAY:\r
- ForegroundControl = 37;\r
- break;\r
-\r
- }\r
- //\r
- // bit4 of the Attribute indicates bright control\r
- // of terminal emulator.\r
- //\r
- BrightControl = (UINT8) ((Attribute >> 3) & 1);\r
-\r
- //\r
- // convert Attribute value to terminal emulator\r
- // understandable background color.\r
- //\r
- switch ((Attribute >> 4) & 0x07) {\r
-\r
- case EFI_BLACK:\r
- BackgroundControl = 40;\r
- break;\r
-\r
- case EFI_BLUE:\r
- BackgroundControl = 44;\r
- break;\r
-\r
- case EFI_GREEN:\r
- BackgroundControl = 42;\r
- break;\r
-\r
- case EFI_CYAN:\r
- BackgroundControl = 46;\r
- break;\r
-\r
- case EFI_RED:\r
- BackgroundControl = 41;\r
- break;\r
-\r
- case EFI_MAGENTA:\r
- BackgroundControl = 45;\r
- break;\r
-\r
- case EFI_BROWN:\r
- BackgroundControl = 43;\r
- break;\r
-\r
- default:\r
-\r
- case EFI_LIGHTGRAY:\r
- BackgroundControl = 47;\r
- break;\r
- }\r
- //\r
- // terminal emulator's control sequence to set attributes\r
- //\r
- mSetAttributeString[BRIGHT_CONTROL_OFFSET] = (CHAR16) ('0' + BrightControl);\r
- mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (ForegroundControl / 10));\r
- mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (ForegroundControl % 10));\r
- mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (BackgroundControl / 10));\r
- mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (BackgroundControl % 10));\r
-\r
- //\r
- // save current column and row\r
- // for future scrolling back use.\r
- //\r
- SavedColumn = This->Mode->CursorColumn;\r
- SavedRow = This->Mode->CursorRow;\r
-\r
- TerminalDevice->OutputEscChar = TRUE;\r
- Status = This->OutputString (This, mSetAttributeString);\r
- TerminalDevice->OutputEscChar = FALSE;\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
- //\r
- // scroll back to saved cursor position.\r
- //\r
- This->Mode->CursorColumn = SavedColumn;\r
- This->Mode->CursorRow = SavedRow;\r
-\r
- This->Mode->Attribute = (INT32) Attribute;\r
-\r
- return EFI_SUCCESS;\r
-\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutClearScreen (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.ClearScreen().\r
- It clears the ANSI terminal's display to the \r
- currently selected background color.\r
- \r
- \r
- Arguments:\r
- \r
- This\r
- Indicates the calling context.\r
-\r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The operation completed successfully.\r
- \r
- EFI_DEVICE_ERROR\r
- The terminal screen cannot be cleared due to serial port error. \r
- \r
- EFI_UNSUPPORTED\r
- The terminal is not in a valid display mode. \r
- \r
---*/\r
-{\r
- EFI_STATUS Status;\r
- TERMINAL_DEV *TerminalDevice;\r
-\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- //\r
- // control sequence for clear screen request\r
- //\r
- TerminalDevice->OutputEscChar = TRUE;\r
- Status = This->OutputString (This, mClearScreenString);\r
- TerminalDevice->OutputEscChar = FALSE;\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- Status = This->SetCursorPosition (This, 0, 0);\r
-\r
- return Status;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutSetCursorPosition (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN UINTN Column,\r
- IN UINTN Row\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements EFI_SIMPLE_TEXT_OUT_PROTOCOL.SetCursorPosition(). \r
- \r
- Arguments:\r
- \r
- This\r
- Indicates the calling context.\r
- \r
- Column\r
- The row to set cursor to.\r
- \r
- Row\r
- The column to set cursor to. \r
-\r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The operation completed successfully.\r
- \r
- EFI_DEVICE_ERROR\r
- The request fails due to serial port error. \r
- \r
- EFI_UNSUPPORTED\r
- The terminal is not in a valid text mode, or the cursor position\r
- is invalid for current mode. \r
- \r
---*/\r
-{\r
- EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r
- UINTN MaxColumn;\r
- UINTN MaxRow;\r
- EFI_STATUS Status;\r
- TERMINAL_DEV *TerminalDevice;\r
-\r
- TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r
-\r
- //\r
- // get current mode\r
- //\r
- Mode = This->Mode;\r
-\r
- //\r
- // get geometry of current mode\r
- //\r
- Status = This->QueryMode (\r
- This,\r
- Mode->Mode,\r
- &MaxColumn,\r
- &MaxRow\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- if (Column >= MaxColumn || Row >= MaxRow) {\r
- return EFI_UNSUPPORTED;\r
- }\r
- //\r
- // control sequence to move the cursor\r
- //\r
- mSetCursorPositionString[ROW_OFFSET + 0] = (CHAR16) ('0' + ((Row + 1) / 10));\r
- mSetCursorPositionString[ROW_OFFSET + 1] = (CHAR16) ('0' + ((Row + 1) % 10));\r
- mSetCursorPositionString[COLUMN_OFFSET + 0] = (CHAR16) ('0' + ((Column + 1) / 10));\r
- mSetCursorPositionString[COLUMN_OFFSET + 1] = (CHAR16) ('0' + ((Column + 1) % 10));\r
-\r
- TerminalDevice->OutputEscChar = TRUE;\r
- Status = This->OutputString (This, mSetCursorPositionString);\r
- TerminalDevice->OutputEscChar = FALSE;\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
- //\r
- // update current cursor position\r
- // in the Mode data structure.\r
- //\r
- Mode->CursorColumn = (INT32) Column;\r
- Mode->CursorRow = (INT32) Row;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-EFIAPI\r
-TerminalConOutEnableCursor (\r
- IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *This,\r
- IN BOOLEAN Visible\r
- )\r
-/*++\r
- Routine Description:\r
- \r
- Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r
- In this driver, the cursor cannot be hidden. \r
- \r
- Arguments:\r
- \r
- This\r
- Indicates the calling context.\r
- \r
- Visible\r
- If TRUE, the cursor is set to be visible,\r
- If FALSE, the cursor is set to be invisible. \r
-\r
- Returns:\r
- \r
- EFI_SUCCESS\r
- The request is valid.\r
- \r
- EFI_UNSUPPORTED\r
- The terminal does not support cursor hidden. \r
- \r
---*/\r
-{\r
- if (!Visible) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-BOOLEAN\r
-TerminalIsValidTextGraphics (\r
- IN CHAR16 Graphic,\r
- OUT CHAR8 *PcAnsi, OPTIONAL\r
- OUT CHAR8 *Ascii OPTIONAL\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
- Detects if a Unicode char is for Box Drawing text graphics.\r
-\r
-Arguments:\r
-\r
- Graphic - Unicode char to test.\r
-\r
- PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.\r
-\r
- Ascii - Optional pointer to return ASCII equivalent of Graphic.\r
-\r
-Returns:\r
-\r
- TRUE if Graphic is a supported Unicode Box Drawing character.\r
-\r
---*/\r
-{\r
- UNICODE_TO_CHAR *Table;\r
-\r
- if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {\r
- //\r
- // Unicode drawing code charts are all in the 0x25xx range,\r
- // arrows are 0x21xx\r
- //\r
- return FALSE;\r
- }\r
-\r
- for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {\r
- if (Graphic == Table->Unicode) {\r
- if (PcAnsi != NULL) {\r
- *PcAnsi = Table->PcAnsi;\r
- }\r
-\r
- if (Ascii != NULL) {\r
- *Ascii = Table->Ascii;\r
- }\r
-\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-BOOLEAN\r
-TerminalIsValidAscii (\r
- IN CHAR16 Ascii\r
- )\r
-{\r
- //\r
- // valid ascii code lies in the extent of 0x20 ~ 0x7f\r
- //\r
- if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {\r
- return TRUE;\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-BOOLEAN\r
-TerminalIsValidEfiCntlChar (\r
- IN CHAR16 CharC\r
- )\r
-{\r
- //\r
- // only support four control characters.\r
- //\r
- if (CharC == CHAR_NULL ||\r
- CharC == CHAR_BACKSPACE ||\r
- CharC == CHAR_LINEFEED ||\r
- CharC == CHAR_CARRIAGE_RETURN ||\r
- CharC == CHAR_TAB\r
- ) {\r
- return TRUE;\r
- }\r
-\r
- return FALSE;\r
-}\r
projects / mirror_edk2.git / blobdiff