1/** @file 2 Simple Text Out protocol from the UEFI 2.0 specification. 3 4 Abstraction of a very simple text based output device like VGA text mode or 5 a serial terminal. The Simple Text Out protocol instance can represent 6 a single hardware device or a virtual device that is an aggregation 7 of multiple physical devices. 8 9Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> 10This program and the accompanying materials are licensed and made available under 11the terms and conditions of the BSD License that accompanies this distribution. 12The full text of the license may be found at 13http://opensource.org/licenses/bsd-license.php. 14 15THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 16WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 17 18**/ 19 20#ifndef __SIMPLE_TEXT_OUT_H__ 21#define __SIMPLE_TEXT_OUT_H__ 22 23#define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \ 24 { \ 25 0x387477c2, 0x69c7, 0x11d2, {0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b } \ 26 } 27 28/// 29/// Protocol GUID defined in EFI1.1. 30/// 31#define SIMPLE_TEXT_OUTPUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID 32 33typedef struct _EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL; 34 35/// 36/// Backward-compatible with EFI1.1. 37/// 38typedef EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SIMPLE_TEXT_OUTPUT_INTERFACE; 39 40// 41// Define's for required EFI Unicode Box Draw characters 42// 43#define BOXDRAW_HORIZONTAL 0x2500 44#define BOXDRAW_VERTICAL 0x2502 45#define BOXDRAW_DOWN_RIGHT 0x250c 46#define BOXDRAW_DOWN_LEFT 0x2510 47#define BOXDRAW_UP_RIGHT 0x2514 48#define BOXDRAW_UP_LEFT 0x2518 49#define BOXDRAW_VERTICAL_RIGHT 0x251c 50#define BOXDRAW_VERTICAL_LEFT 0x2524 51#define BOXDRAW_DOWN_HORIZONTAL 0x252c 52#define BOXDRAW_UP_HORIZONTAL 0x2534 53#define BOXDRAW_VERTICAL_HORIZONTAL 0x253c 54#define BOXDRAW_DOUBLE_HORIZONTAL 0x2550 55#define BOXDRAW_DOUBLE_VERTICAL 0x2551 56#define BOXDRAW_DOWN_RIGHT_DOUBLE 0x2552 57#define BOXDRAW_DOWN_DOUBLE_RIGHT 0x2553 58#define BOXDRAW_DOUBLE_DOWN_RIGHT 0x2554 59#define BOXDRAW_DOWN_LEFT_DOUBLE 0x2555 60#define BOXDRAW_DOWN_DOUBLE_LEFT 0x2556 61#define BOXDRAW_DOUBLE_DOWN_LEFT 0x2557 62#define BOXDRAW_UP_RIGHT_DOUBLE 0x2558 63#define BOXDRAW_UP_DOUBLE_RIGHT 0x2559 64#define BOXDRAW_DOUBLE_UP_RIGHT 0x255a 65#define BOXDRAW_UP_LEFT_DOUBLE 0x255b 66#define BOXDRAW_UP_DOUBLE_LEFT 0x255c 67#define BOXDRAW_DOUBLE_UP_LEFT 0x255d 68#define BOXDRAW_VERTICAL_RIGHT_DOUBLE 0x255e 69#define BOXDRAW_VERTICAL_DOUBLE_RIGHT 0x255f 70#define BOXDRAW_DOUBLE_VERTICAL_RIGHT 0x2560 71#define BOXDRAW_VERTICAL_LEFT_DOUBLE 0x2561 72#define BOXDRAW_VERTICAL_DOUBLE_LEFT 0x2562 73#define BOXDRAW_DOUBLE_VERTICAL_LEFT 0x2563 74#define BOXDRAW_DOWN_HORIZONTAL_DOUBLE 0x2564 75#define BOXDRAW_DOWN_DOUBLE_HORIZONTAL 0x2565 76#define BOXDRAW_DOUBLE_DOWN_HORIZONTAL 0x2566 77#define BOXDRAW_UP_HORIZONTAL_DOUBLE 0x2567 78#define BOXDRAW_UP_DOUBLE_HORIZONTAL 0x2568 79#define BOXDRAW_DOUBLE_UP_HORIZONTAL 0x2569 80#define BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE 0x256a 81#define BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL 0x256b 82#define BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL 0x256c 83 84// 85// EFI Required Block Elements Code Chart 86// 87#define BLOCKELEMENT_FULL_BLOCK 0x2588 88#define BLOCKELEMENT_LIGHT_SHADE 0x2591 89 90// 91// EFI Required Geometric Shapes Code Chart 92// 93#define GEOMETRICSHAPE_UP_TRIANGLE 0x25b2 94#define GEOMETRICSHAPE_RIGHT_TRIANGLE 0x25ba 95#define GEOMETRICSHAPE_DOWN_TRIANGLE 0x25bc 96#define GEOMETRICSHAPE_LEFT_TRIANGLE 0x25c4 97 98// 99// EFI Required Arrow shapes 100// 101#define ARROW_LEFT 0x2190 102#define ARROW_UP 0x2191 103#define ARROW_RIGHT 0x2192 104#define ARROW_DOWN 0x2193 105 106// 107// EFI Console Colours 108// 109#define EFI_BLACK 0x00 110#define EFI_BLUE 0x01 111#define EFI_GREEN 0x02 112#define EFI_CYAN (EFI_BLUE | EFI_GREEN) 113#define EFI_RED 0x04 114#define EFI_MAGENTA (EFI_BLUE | EFI_RED) 115#define EFI_BROWN (EFI_GREEN | EFI_RED) 116#define EFI_LIGHTGRAY (EFI_BLUE | EFI_GREEN | EFI_RED) 117#define EFI_BRIGHT 0x08 118#define EFI_DARKGRAY (EFI_BLACK | EFI_BRIGHT) 119#define EFI_LIGHTBLUE (EFI_BLUE | EFI_BRIGHT) 120#define EFI_LIGHTGREEN (EFI_GREEN | EFI_BRIGHT) 121#define EFI_LIGHTCYAN (EFI_CYAN | EFI_BRIGHT) 122#define EFI_LIGHTRED (EFI_RED | EFI_BRIGHT) 123#define EFI_LIGHTMAGENTA (EFI_MAGENTA | EFI_BRIGHT) 124#define EFI_YELLOW (EFI_BROWN | EFI_BRIGHT) 125#define EFI_WHITE (EFI_BLUE | EFI_GREEN | EFI_RED | EFI_BRIGHT) 126 127// 128// Macro to accept color values in their raw form to create 129// a value that represents both a foreground and background 130// color in a single byte. 131// For Foreground, and EFI_* value is valid from EFI_BLACK(0x00) to 132// EFI_WHITE (0x0F). 133// For Background, only EFI_BLACK, EFI_BLUE, EFI_GREEN, EFI_CYAN, 134// EFI_RED, EFI_MAGENTA, EFI_BROWN, and EFI_LIGHTGRAY are acceptable 135// 136// Do not use EFI_BACKGROUND_xxx values with this macro. 137// 138#define EFI_TEXT_ATTR(Foreground,Background) ((Foreground) | ((Background) << 4)) 139 140#define EFI_BACKGROUND_BLACK 0x00 141#define EFI_BACKGROUND_BLUE 0x10 142#define EFI_BACKGROUND_GREEN 0x20 143#define EFI_BACKGROUND_CYAN (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN) 144#define EFI_BACKGROUND_RED 0x40 145#define EFI_BACKGROUND_MAGENTA (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_RED) 146#define EFI_BACKGROUND_BROWN (EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED) 147#define EFI_BACKGROUND_LIGHTGRAY (EFI_BACKGROUND_BLUE | EFI_BACKGROUND_GREEN | EFI_BACKGROUND_RED) 148 149// 150// We currently define attributes from 0 - 7F for color manipulations 151// To internally handle the local display characteristics for a particular character, 152// Bit 7 signifies the local glyph representation for a character. If turned on, glyphs will be 153// pulled from the wide glyph database and will display locally as a wide character (16 X 19 versus 8 X 19) 154// If bit 7 is off, the narrow glyph database will be used. This does NOT affect information that is sent to 155// non-local displays, such as serial or LAN consoles. 156// 157#define EFI_WIDE_ATTRIBUTE 0x80 158 159/** 160 Reset the text output device hardware and optionaly run diagnostics 161 162 @param This The protocol instance pointer. 163 @param ExtendedVerification Driver may perform more exhaustive verification 164 operation of the device during reset. 165 166 @retval EFI_SUCCESS The text output device was reset. 167 @retval EFI_DEVICE_ERROR The text output device is not functioning correctly and 168 could not be reset. 169 170**/ 171typedef 172EFI_STATUS 173(EFIAPI *EFI_TEXT_RESET)( 174 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 175 IN BOOLEAN ExtendedVerification 176 ); 177 178/** 179 Write a string to the output device. 180 181 @param This The protocol instance pointer. 182 @param String The NULL-terminated string to be displayed on the output 183 device(s). All output devices must also support the Unicode 184 drawing character codes defined in this file. 185 186 @retval EFI_SUCCESS The string was output to the device. 187 @retval EFI_DEVICE_ERROR The device reported an error while attempting to output 188 the text. 189 @retval EFI_UNSUPPORTED The output device's mode is not currently in a 190 defined text mode. 191 @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the 192 characters in the string could not be 193 rendered and were skipped. 194 195**/ 196typedef 197EFI_STATUS 198(EFIAPI *EFI_TEXT_STRING)( 199 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 200 IN CHAR16 *String 201 ); 202 203/** 204 Verifies that all characters in a string can be output to the 205 target device. 206 207 @param This The protocol instance pointer. 208 @param String The NULL-terminated string to be examined for the output 209 device(s). 210 211 @retval EFI_SUCCESS The device(s) are capable of rendering the output string. 212 @retval EFI_UNSUPPORTED Some of the characters in the string cannot be 213 rendered by one or more of the output devices mapped 214 by the EFI handle. 215 216**/ 217typedef 218EFI_STATUS 219(EFIAPI *EFI_TEXT_TEST_STRING)( 220 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 221 IN CHAR16 *String 222 ); 223 224/** 225 Returns information for an available text mode that the output device(s) 226 supports. 227 228 @param This The protocol instance pointer. 229 @param ModeNumber The mode number to return information on. 230 @param Columns Returns the geometry of the text output device for the 231 requested ModeNumber. 232 @param Rows Returns the geometry of the text output device for the 233 requested ModeNumber. 234 235 @retval EFI_SUCCESS The requested mode information was returned. 236 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 237 @retval EFI_UNSUPPORTED The mode number was not valid. 238 239**/ 240typedef 241EFI_STATUS 242(EFIAPI *EFI_TEXT_QUERY_MODE)( 243 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 244 IN UINTN ModeNumber, 245 OUT UINTN *Columns, 246 OUT UINTN *Rows 247 ); 248 249/** 250 Sets the output device(s) to a specified mode. 251 252 @param This The protocol instance pointer. 253 @param ModeNumber The mode number to set. 254 255 @retval EFI_SUCCESS The requested text mode was set. 256 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 257 @retval EFI_UNSUPPORTED The mode number was not valid. 258 259**/ 260typedef 261EFI_STATUS 262(EFIAPI *EFI_TEXT_SET_MODE)( 263 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 264 IN UINTN ModeNumber 265 ); 266 267/** 268 Sets the background and foreground colors for the OutputString () and 269 ClearScreen () functions. 270 271 @param This The protocol instance pointer. 272 @param Attribute The attribute to set. Bits 0..3 are the foreground color, and 273 bits 4..6 are the background color. All other bits are undefined 274 and must be zero. The valid Attributes are defined in this file. 275 276 @retval EFI_SUCCESS The attribute was set. 277 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 278 @retval EFI_UNSUPPORTED The attribute requested is not defined. 279 280**/ 281typedef 282EFI_STATUS 283(EFIAPI *EFI_TEXT_SET_ATTRIBUTE)( 284 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 285 IN UINTN Attribute 286 ); 287 288/** 289 Clears the output device(s) display to the currently selected background 290 color. 291 292 @param This The protocol instance pointer. 293 294 @retval EFI_SUCCESS The operation completed successfully. 295 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 296 @retval EFI_UNSUPPORTED The output device is not in a valid text mode. 297 298**/ 299typedef 300EFI_STATUS 301(EFIAPI *EFI_TEXT_CLEAR_SCREEN)( 302 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This 303 ); 304 305/** 306 Sets the current coordinates of the cursor position 307 308 @param This The protocol instance pointer. 309 @param Column The position to set the cursor to. Must be greater than or 310 equal to zero and less than the number of columns and rows 311 by QueryMode (). 312 @param Row The position to set the cursor to. Must be greater than or 313 equal to zero and less than the number of columns and rows 314 by QueryMode (). 315 316 @retval EFI_SUCCESS The operation completed successfully. 317 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request. 318 @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the 319 cursor position is invalid for the current mode. 320 321**/ 322typedef 323EFI_STATUS 324(EFIAPI *EFI_TEXT_SET_CURSOR_POSITION)( 325 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 326 IN UINTN Column, 327 IN UINTN Row 328 ); 329 330/** 331 Makes the cursor visible or invisible 332 333 @param This The protocol instance pointer. 334 @param Visible If TRUE, the cursor is set to be visible. If FALSE, the cursor is 335 set to be invisible. 336 337 @retval EFI_SUCCESS The operation completed successfully. 338 @retval EFI_DEVICE_ERROR The device had an error and could not complete the 339 request, or the device does not support changing 340 the cursor mode. 341 @retval EFI_UNSUPPORTED The output device is not in a valid text mode. 342 343**/ 344typedef 345EFI_STATUS 346(EFIAPI *EFI_TEXT_ENABLE_CURSOR)( 347 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This, 348 IN BOOLEAN Visible 349 ); 350 351/** 352 @par Data Structure Description: 353 Mode Structure pointed to by Simple Text Out protocol. 354**/ 355typedef struct { 356 /// 357 /// The number of modes supported by QueryMode () and SetMode (). 358 /// 359 INT32 MaxMode; 360 361 // 362 // current settings 363 // 364 365 /// 366 /// The text mode of the output device(s). 367 /// 368 INT32 Mode; 369 /// 370 /// The current character output attribute. 371 /// 372 INT32 Attribute; 373 /// 374 /// The cursor's column. 375 /// 376 INT32 CursorColumn; 377 /// 378 /// The cursor's row. 379 /// 380 INT32 CursorRow; 381 /// 382 /// The cursor is currently visbile or not. 383 /// 384 BOOLEAN CursorVisible; 385} EFI_SIMPLE_TEXT_OUTPUT_MODE; 386 387/// 388/// The SIMPLE_TEXT_OUTPUT protocol is used to control text-based output devices. 389/// It is the minimum required protocol for any handle supplied as the ConsoleOut 390/// or StandardError device. In addition, the minimum supported text mode of such 391/// devices is at least 80 x 25 characters. 392/// 393struct _EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL { 394 EFI_TEXT_RESET Reset; 395 396 EFI_TEXT_STRING OutputString; 397 EFI_TEXT_TEST_STRING TestString; 398 399 EFI_TEXT_QUERY_MODE QueryMode; 400 EFI_TEXT_SET_MODE SetMode; 401 EFI_TEXT_SET_ATTRIBUTE SetAttribute; 402 403 EFI_TEXT_CLEAR_SCREEN ClearScreen; 404 EFI_TEXT_SET_CURSOR_POSITION SetCursorPosition; 405 EFI_TEXT_ENABLE_CURSOR EnableCursor; 406 407 /// 408 /// Pointer to SIMPLE_TEXT_OUTPUT_MODE data. 409 /// 410 EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode; 411}; 412 413extern EFI_GUID gEfiSimpleTextOutProtocolGuid; 414 415#endif 416