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fb0b259e | 1 | /** @file\r |
2 | Implementation for EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL protocol.\r | |
95276127 | 3 | \r |
fb0b259e | 4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
95276127 | 9 | \r |
fb0b259e | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
95276127 | 12 | \r |
fb0b259e | 13 | **/\r |
95276127 | 14 | \r |
95276127 | 15 | #include "Terminal.h"\r |
16 | \r | |
95276127 | 17 | //\r |
18 | // This list is used to define the valid extend chars.\r | |
19 | // It also provides a mapping from Unicode to PCANSI or\r | |
20 | // ASCII. The ASCII mapping we just made up.\r | |
21 | //\r | |
22 | //\r | |
23 | STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {\r | |
fb0b259e | 24 | { BOXDRAW_HORIZONTAL, 0xc4, L'-' },\r |
95276127 | 25 | { BOXDRAW_VERTICAL, 0xb3, L'|' },\r |
26 | { BOXDRAW_DOWN_RIGHT, 0xda, L'/' },\r | |
27 | { BOXDRAW_DOWN_LEFT, 0xbf, L'\\' },\r | |
28 | { BOXDRAW_UP_RIGHT, 0xc0, L'\\' },\r | |
29 | { BOXDRAW_UP_LEFT, 0xd9, L'/' },\r | |
30 | { BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|' },\r | |
31 | { BOXDRAW_VERTICAL_LEFT, 0xb4, L'|' },\r | |
32 | { BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+' },\r | |
33 | { BOXDRAW_UP_HORIZONTAL, 0xc1, L'+' },\r | |
34 | { BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+' },\r | |
35 | { BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-' },\r | |
36 | { BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|' },\r | |
37 | { BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/' },\r | |
38 | { BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/' },\r | |
39 | { BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/' },\r | |
40 | { BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\' },\r | |
41 | { BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\' },\r | |
42 | { BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\' },\r | |
43 | { BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\' },\r | |
44 | { BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\' },\r | |
45 | { BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\' },\r | |
46 | { BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/' },\r | |
47 | { BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/' },\r | |
48 | { BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/' },\r | |
49 | { BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|' },\r | |
50 | { BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|' },\r | |
51 | { BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|' },\r | |
52 | { BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|' },\r | |
53 | { BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|' },\r | |
54 | { BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|' },\r | |
55 | { BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+' },\r | |
56 | { BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+' },\r | |
57 | { BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+' },\r | |
58 | { BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+' },\r | |
59 | { BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+' },\r | |
60 | { BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+' },\r | |
61 | { BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+' },\r | |
62 | { BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+' },\r | |
63 | { BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+' },\r | |
64 | \r | |
65 | { BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*' },\r | |
66 | { BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+' },\r | |
67 | \r | |
68 | { GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^' },\r | |
69 | { GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>' },\r | |
70 | { GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v' },\r | |
71 | { GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<' },\r | |
72 | \r | |
ab76200c | 73 | { ARROW_LEFT, 0x3c, L'<' },\r |
74 | { ARROW_UP, 0x18, L'^' },\r | |
75 | { ARROW_RIGHT, 0x3e, L'>' },\r | |
76 | { ARROW_DOWN, 0x19, L'v' },\r | |
95276127 | 77 | \r |
78 | { 0x0000, 0x00, L'\0' }\r | |
79 | };\r | |
80 | \r | |
ab76200c | 81 | STATIC CHAR16 mSetModeString[] = { ESC, '[', '=', '3', 'h', 0 };\r |
82 | STATIC CHAR16 mSetAttributeString[] = { ESC, '[', '0', 'm', ESC, '[', '4', '0', 'm', ESC, '[', '4', '0', 'm', 0 };\r | |
83 | STATIC CHAR16 mClearScreenString[] = { ESC, '[', '2', 'J', 0 };\r | |
84 | STATIC CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0 };\r | |
95276127 | 85 | \r |
86 | //\r | |
87 | // Body of the ConOut functions\r | |
88 | //\r | |
e49ef433 | 89 | \r |
90 | /**\r | |
91 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset().\r | |
ab76200c | 92 | \r |
e49ef433 | 93 | If ExtendeVerification is TRUE, then perform dependent serial device reset,\r |
94 | and set display mode to mode 0.\r | |
95 | If ExtendedVerification is FALSE, only set display mode to mode 0.\r | |
96 | \r | |
97 | @param This Indicates the calling context.\r | |
98 | @param ExtendedVerification Indicates that the driver may perform a more\r | |
99 | exhaustive verification operation of the device\r | |
100 | during reset.\r | |
101 | \r | |
8fd98315 | 102 | @return EFI_SUCCESS The reset operation succeeds.\r |
103 | @return EFI_DEVICE_ERROR The terminal is not functioning correctly or the serial port reset fails.\r | |
e49ef433 | 104 | \r |
105 | **/\r | |
95276127 | 106 | EFI_STATUS\r |
107 | EFIAPI\r | |
108 | TerminalConOutReset (\r | |
109 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
110 | IN BOOLEAN ExtendedVerification\r | |
111 | )\r | |
95276127 | 112 | {\r |
113 | EFI_STATUS Status;\r | |
114 | TERMINAL_DEV *TerminalDevice;\r | |
115 | \r | |
116 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
117 | \r | |
118 | //\r | |
119 | // Perform a more exhaustive reset by resetting the serial port.\r | |
120 | //\r | |
121 | if (ExtendedVerification) {\r | |
122 | //\r | |
123 | // Report progress code here\r | |
124 | //\r | |
125 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
126 | EFI_PROGRESS_CODE,\r | |
97a079ed | 127 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r |
95276127 | 128 | TerminalDevice->DevicePath\r |
129 | );\r | |
130 | \r | |
131 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
132 | if (EFI_ERROR (Status)) {\r | |
133 | //\r | |
134 | // Report error code here\r | |
135 | //\r | |
136 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
137 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 138 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 139 | TerminalDevice->DevicePath\r |
140 | );\r | |
141 | \r | |
142 | return Status;\r | |
143 | }\r | |
144 | }\r | |
145 | \r | |
0ce1dd70 | 146 | This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BLACK));\r |
95276127 | 147 | \r |
148 | Status = This->SetMode (This, 0);\r | |
149 | \r | |
150 | return Status;\r | |
151 | }\r | |
152 | \r | |
e49ef433 | 153 | \r |
154 | /**\r | |
155 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString().\r | |
ab76200c | 156 | \r |
e49ef433 | 157 | The Unicode string will be converted to terminal expressible data stream\r |
158 | and send to terminal via serial port.\r | |
159 | \r | |
160 | @param This Indicates the calling context.\r | |
161 | @param WString The Null-terminated Unicode string to be displayed\r | |
162 | on the terminal screen.\r | |
163 | \r | |
8fd98315 | 164 | @retval EFI_SUCCESS The string is output successfully.\r |
165 | @retval EFI_DEVICE_ERROR The serial port fails to send the string out.\r | |
166 | @retval EFI_WARN_UNKNOWN_GLYPH Indicates that some of the characters in the Unicode string could not\r | |
e49ef433 | 167 | be rendered and are skipped.\r |
8fd98315 | 168 | @retval EFI_UNSUPPORTED If current display mode is out of range.\r |
e49ef433 | 169 | \r |
170 | **/\r | |
95276127 | 171 | EFI_STATUS\r |
172 | EFIAPI\r | |
173 | TerminalConOutOutputString (\r | |
174 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
175 | IN CHAR16 *WString\r | |
176 | )\r | |
95276127 | 177 | {\r |
178 | TERMINAL_DEV *TerminalDevice;\r | |
179 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
180 | UINTN MaxColumn;\r | |
181 | UINTN MaxRow;\r | |
182 | UINTN Length;\r | |
183 | UTF8_CHAR Utf8Char;\r | |
184 | CHAR8 GraphicChar;\r | |
185 | CHAR8 AsciiChar;\r | |
186 | EFI_STATUS Status;\r | |
187 | UINT8 ValidBytes;\r | |
188 | //\r | |
189 | // flag used to indicate whether condition happens which will cause\r | |
190 | // return EFI_WARN_UNKNOWN_GLYPH\r | |
191 | //\r | |
192 | BOOLEAN Warning;\r | |
193 | \r | |
194 | ValidBytes = 0;\r | |
195 | Warning = FALSE;\r | |
196 | \r | |
197 | //\r | |
198 | // get Terminal device data structure pointer.\r | |
199 | //\r | |
200 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
201 | \r | |
202 | //\r | |
3012ce5c | 203 | // Get current display mode\r |
95276127 | 204 | //\r |
205 | Mode = This->Mode;\r | |
fb0b259e | 206 | \r |
7347d5d6 | 207 | if (Mode->Mode > 2) {\r |
95276127 | 208 | return EFI_UNSUPPORTED;\r |
209 | }\r | |
210 | \r | |
211 | This->QueryMode (\r | |
212 | This,\r | |
213 | Mode->Mode,\r | |
214 | &MaxColumn,\r | |
215 | &MaxRow\r | |
216 | );\r | |
217 | \r | |
218 | for (; *WString != CHAR_NULL; WString++) {\r | |
219 | \r | |
220 | switch (TerminalDevice->TerminalType) {\r | |
221 | \r | |
e49ef433 | 222 | case PCANSITYPE:\r |
223 | case VT100TYPE:\r | |
224 | case VT100PLUSTYPE:\r | |
95276127 | 225 | \r |
226 | if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {\r | |
227 | //\r | |
228 | // If it's not a graphic character convert Unicode to ASCII.\r | |
229 | //\r | |
230 | GraphicChar = (CHAR8) *WString;\r | |
231 | \r | |
232 | if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar (GraphicChar))) {\r | |
233 | //\r | |
234 | // when this driver use the OutputString to output control string,\r | |
235 | // TerminalDevice->OutputEscChar is set to let the Esc char\r | |
236 | // to be output to the terminal emulation software.\r | |
237 | //\r | |
238 | if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {\r | |
239 | GraphicChar = 27;\r | |
240 | } else {\r | |
241 | GraphicChar = '?';\r | |
242 | Warning = TRUE;\r | |
243 | }\r | |
244 | }\r | |
245 | \r | |
246 | AsciiChar = GraphicChar;\r | |
247 | \r | |
248 | }\r | |
249 | \r | |
e49ef433 | 250 | if (TerminalDevice->TerminalType != PCANSITYPE) {\r |
95276127 | 251 | GraphicChar = AsciiChar;\r |
252 | }\r | |
253 | \r | |
254 | Length = 1;\r | |
255 | \r | |
256 | Status = TerminalDevice->SerialIo->Write (\r | |
257 | TerminalDevice->SerialIo,\r | |
258 | &Length,\r | |
259 | &GraphicChar\r | |
260 | );\r | |
261 | \r | |
262 | if (EFI_ERROR (Status)) {\r | |
263 | goto OutputError;\r | |
264 | }\r | |
265 | \r | |
266 | break;\r | |
267 | \r | |
e49ef433 | 268 | case VTUTF8TYPE:\r |
95276127 | 269 | UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);\r |
270 | Length = ValidBytes;\r | |
271 | Status = TerminalDevice->SerialIo->Write (\r | |
272 | TerminalDevice->SerialIo,\r | |
273 | &Length,\r | |
274 | (UINT8 *) &Utf8Char\r | |
275 | );\r | |
276 | if (EFI_ERROR (Status)) {\r | |
277 | goto OutputError;\r | |
278 | }\r | |
279 | break;\r | |
280 | }\r | |
281 | //\r | |
282 | // Update cursor position.\r | |
283 | //\r | |
284 | switch (*WString) {\r | |
285 | \r | |
286 | case CHAR_BACKSPACE:\r | |
287 | if (Mode->CursorColumn > 0) {\r | |
288 | Mode->CursorColumn--;\r | |
289 | }\r | |
290 | break;\r | |
291 | \r | |
292 | case CHAR_LINEFEED:\r | |
293 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
294 | Mode->CursorRow++;\r | |
295 | }\r | |
296 | break;\r | |
297 | \r | |
298 | case CHAR_CARRIAGE_RETURN:\r | |
299 | Mode->CursorColumn = 0;\r | |
300 | break;\r | |
301 | \r | |
302 | default:\r | |
303 | if (Mode->CursorColumn < (INT32) (MaxColumn - 1)) {\r | |
304 | \r | |
305 | Mode->CursorColumn++;\r | |
306 | \r | |
307 | } else {\r | |
308 | \r | |
309 | Mode->CursorColumn = 0;\r | |
310 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
311 | Mode->CursorRow++;\r | |
312 | }\r | |
313 | \r | |
314 | }\r | |
315 | break;\r | |
316 | \r | |
317 | };\r | |
318 | \r | |
319 | }\r | |
320 | \r | |
321 | if (Warning) {\r | |
322 | return EFI_WARN_UNKNOWN_GLYPH;\r | |
323 | }\r | |
324 | \r | |
325 | return EFI_SUCCESS;\r | |
326 | \r | |
327 | OutputError:\r | |
328 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
329 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 330 | PcdGet32 (PcdStatusCodeValueRemoteConsoleOutputError),\r |
95276127 | 331 | TerminalDevice->DevicePath\r |
332 | );\r | |
333 | \r | |
334 | return EFI_DEVICE_ERROR;\r | |
335 | }\r | |
336 | \r | |
e49ef433 | 337 | \r |
338 | /**\r | |
339 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.TestString().\r | |
ab76200c | 340 | \r |
e49ef433 | 341 | If one of the characters in the *Wstring is\r |
342 | neither valid Unicode drawing characters,\r | |
343 | not ASCII code, then this function will return\r | |
344 | EFI_UNSUPPORTED.\r | |
345 | \r | |
346 | @param This Indicates the calling context.\r | |
347 | @param WString The Null-terminated Unicode string to be tested.\r | |
348 | \r | |
349 | @return EFI_SUCCESS The terminal is capable of rendering the output string.\r | |
350 | @return EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be rendered.\r | |
351 | \r | |
352 | **/\r | |
95276127 | 353 | EFI_STATUS\r |
354 | EFIAPI\r | |
355 | TerminalConOutTestString (\r | |
356 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
357 | IN CHAR16 *WString\r | |
358 | )\r | |
95276127 | 359 | {\r |
360 | TERMINAL_DEV *TerminalDevice;\r | |
361 | EFI_STATUS Status;\r | |
362 | \r | |
363 | //\r | |
364 | // get Terminal device data structure pointer.\r | |
365 | //\r | |
366 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
367 | \r | |
368 | switch (TerminalDevice->TerminalType) {\r | |
369 | \r | |
e49ef433 | 370 | case PCANSITYPE:\r |
371 | case VT100TYPE:\r | |
372 | case VT100PLUSTYPE:\r | |
95276127 | 373 | Status = AnsiTestString (TerminalDevice, WString);\r |
374 | break;\r | |
375 | \r | |
e49ef433 | 376 | case VTUTF8TYPE:\r |
95276127 | 377 | Status = VTUTF8TestString (TerminalDevice, WString);\r |
378 | break;\r | |
379 | \r | |
380 | default:\r | |
381 | Status = EFI_UNSUPPORTED;\r | |
382 | break;\r | |
383 | }\r | |
384 | \r | |
385 | return Status;\r | |
386 | }\r | |
387 | \r | |
e49ef433 | 388 | \r |
389 | /**\r | |
390 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.QueryMode().\r | |
ab76200c | 391 | \r |
e49ef433 | 392 | It returns information for an available text mode\r |
393 | that the terminal supports.\r | |
394 | In this driver, we support text mode 80x25 (mode 0),\r | |
395 | 80x50 (mode 1), 100x31 (mode 2).\r | |
396 | \r | |
397 | @param This Indicates the calling context.\r | |
398 | @param ModeNumber The mode number to return information on.\r | |
399 | @param Columns The returned columns of the requested mode.\r | |
400 | @param Rows The returned rows of the requested mode.\r | |
401 | \r | |
402 | @return EFI_SUCCESS The requested mode information is returned.\r | |
403 | @return EFI_UNSUPPORTED The mode number is not valid.\r | |
404 | @return EFI_DEVICE_ERROR\r | |
405 | \r | |
406 | **/\r | |
95276127 | 407 | EFI_STATUS\r |
408 | EFIAPI\r | |
409 | TerminalConOutQueryMode (\r | |
410 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
411 | IN UINTN ModeNumber,\r | |
412 | OUT UINTN *Columns,\r | |
413 | OUT UINTN *Rows\r | |
414 | )\r | |
95276127 | 415 | {\r |
7347d5d6 | 416 | if (This->Mode->MaxMode > 3) {\r |
95276127 | 417 | return EFI_DEVICE_ERROR;\r |
418 | }\r | |
419 | \r | |
420 | if (ModeNumber == 0) {\r | |
95276127 | 421 | *Columns = MODE0_COLUMN_COUNT;\r |
422 | *Rows = MODE0_ROW_COUNT;\r | |
3012ce5c | 423 | return EFI_SUCCESS;\r |
fb0b259e | 424 | } else if (ModeNumber == 1) {\r |
3012ce5c | 425 | *Columns = MODE1_COLUMN_COUNT;\r |
426 | *Rows = MODE1_ROW_COUNT;\r | |
95276127 | 427 | return EFI_SUCCESS;\r |
7347d5d6 | 428 | } else if (ModeNumber == 2) {\r |
429 | *Columns = MODE2_COLUMN_COUNT;\r | |
430 | *Rows = MODE2_ROW_COUNT;\r | |
431 | return EFI_SUCCESS;\r | |
95276127 | 432 | }\r |
433 | \r | |
434 | return EFI_UNSUPPORTED;\r | |
435 | }\r | |
436 | \r | |
e49ef433 | 437 | \r |
438 | /**\r | |
439 | Implements EFI_SIMPLE_TEXT_OUT.SetMode().\r | |
ab76200c | 440 | \r |
e49ef433 | 441 | Set the terminal to a specified display mode.\r |
442 | In this driver, we only support mode 0.\r | |
443 | \r | |
444 | @param This Indicates the calling context.\r | |
445 | @param ModeNumber The text mode to set.\r | |
446 | \r | |
447 | @return EFI_SUCCESS The requested text mode is set.\r | |
448 | @return EFI_DEVICE_ERROR The requested text mode cannot be set \r | |
449 | because of serial device error.\r | |
450 | @return EFI_UNSUPPORTED The text mode number is not valid.\r | |
451 | \r | |
452 | **/\r | |
95276127 | 453 | EFI_STATUS\r |
454 | EFIAPI\r | |
455 | TerminalConOutSetMode (\r | |
456 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
457 | IN UINTN ModeNumber\r | |
458 | )\r | |
95276127 | 459 | {\r |
460 | EFI_STATUS Status;\r | |
461 | TERMINAL_DEV *TerminalDevice;\r | |
462 | \r | |
463 | //\r | |
464 | // get Terminal device data structure pointer.\r | |
465 | //\r | |
466 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
467 | \r | |
7347d5d6 | 468 | if (ModeNumber > 2) {\r |
95276127 | 469 | return EFI_UNSUPPORTED;\r |
470 | }\r | |
fb0b259e | 471 | \r |
3012ce5c | 472 | //\r |
473 | // Set the current mode\r | |
474 | //\r | |
475 | This->Mode->Mode = (INT32) ModeNumber;\r | |
95276127 | 476 | \r |
477 | This->ClearScreen (This);\r | |
478 | \r | |
479 | TerminalDevice->OutputEscChar = TRUE;\r | |
480 | Status = This->OutputString (This, mSetModeString);\r | |
481 | TerminalDevice->OutputEscChar = FALSE;\r | |
482 | \r | |
483 | if (EFI_ERROR (Status)) {\r | |
484 | return EFI_DEVICE_ERROR;\r | |
485 | }\r | |
486 | \r | |
3012ce5c | 487 | This->Mode->Mode = (INT32) ModeNumber;\r |
95276127 | 488 | \r |
489 | Status = This->ClearScreen (This);\r | |
490 | if (EFI_ERROR (Status)) {\r | |
491 | return EFI_DEVICE_ERROR;\r | |
492 | }\r | |
493 | \r | |
494 | return EFI_SUCCESS;\r | |
495 | \r | |
496 | }\r | |
497 | \r | |
e49ef433 | 498 | \r |
499 | /**\r | |
500 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute().\r | |
501 | \r | |
502 | @param This Indicates the calling context.\r | |
503 | @param Attribute The attribute to set. Only bit0..6 are valid, all other bits\r | |
504 | are undefined and must be zero.\r | |
505 | \r | |
506 | @return EFI_SUCCESS The requested attribute is set.\r | |
507 | @return EFI_DEVICE_ERROR The requested attribute cannot be set due to serial port error.\r | |
508 | @return EFI_UNSUPPORTED The attribute requested is not defined by EFI spec.\r | |
509 | \r | |
510 | **/\r | |
95276127 | 511 | EFI_STATUS\r |
512 | EFIAPI\r | |
513 | TerminalConOutSetAttribute (\r | |
514 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
515 | IN UINTN Attribute\r | |
516 | )\r | |
95276127 | 517 | {\r |
518 | UINT8 ForegroundControl;\r | |
519 | UINT8 BackgroundControl;\r | |
520 | UINT8 BrightControl;\r | |
521 | INT32 SavedColumn;\r | |
522 | INT32 SavedRow;\r | |
523 | EFI_STATUS Status;\r | |
524 | TERMINAL_DEV *TerminalDevice;\r | |
525 | \r | |
526 | SavedColumn = 0;\r | |
527 | SavedRow = 0;\r | |
528 | \r | |
529 | //\r | |
530 | // get Terminal device data structure pointer.\r | |
531 | //\r | |
532 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
533 | \r | |
534 | //\r | |
535 | // only the bit0..6 of the Attribute is valid\r | |
536 | //\r | |
537 | if ((Attribute | 0x7f) != 0x7f) {\r | |
538 | return EFI_UNSUPPORTED;\r | |
539 | }\r | |
0ce1dd70 | 540 | \r |
541 | //\r | |
542 | // Skip outputting the command string for the same attribute\r | |
543 | // It improves the terminal performance siginificantly\r | |
544 | //\r | |
545 | if (This->Mode->Attribute == (INT32) Attribute) {\r | |
546 | return EFI_SUCCESS;\r | |
547 | }\r | |
548 | \r | |
95276127 | 549 | //\r |
550 | // convert Attribute value to terminal emulator\r | |
551 | // understandable foreground color\r | |
552 | //\r | |
553 | switch (Attribute & 0x07) {\r | |
554 | \r | |
555 | case EFI_BLACK:\r | |
556 | ForegroundControl = 30;\r | |
557 | break;\r | |
558 | \r | |
559 | case EFI_BLUE:\r | |
560 | ForegroundControl = 34;\r | |
561 | break;\r | |
562 | \r | |
563 | case EFI_GREEN:\r | |
564 | ForegroundControl = 32;\r | |
565 | break;\r | |
566 | \r | |
567 | case EFI_CYAN:\r | |
568 | ForegroundControl = 36;\r | |
569 | break;\r | |
570 | \r | |
571 | case EFI_RED:\r | |
572 | ForegroundControl = 31;\r | |
573 | break;\r | |
574 | \r | |
575 | case EFI_MAGENTA:\r | |
576 | ForegroundControl = 35;\r | |
577 | break;\r | |
578 | \r | |
579 | case EFI_BROWN:\r | |
580 | ForegroundControl = 33;\r | |
581 | break;\r | |
582 | \r | |
583 | default:\r | |
584 | \r | |
585 | case EFI_LIGHTGRAY:\r | |
586 | ForegroundControl = 37;\r | |
587 | break;\r | |
588 | \r | |
589 | }\r | |
590 | //\r | |
591 | // bit4 of the Attribute indicates bright control\r | |
592 | // of terminal emulator.\r | |
593 | //\r | |
594 | BrightControl = (UINT8) ((Attribute >> 3) & 1);\r | |
595 | \r | |
596 | //\r | |
597 | // convert Attribute value to terminal emulator\r | |
598 | // understandable background color.\r | |
599 | //\r | |
600 | switch ((Attribute >> 4) & 0x07) {\r | |
601 | \r | |
602 | case EFI_BLACK:\r | |
603 | BackgroundControl = 40;\r | |
604 | break;\r | |
605 | \r | |
606 | case EFI_BLUE:\r | |
607 | BackgroundControl = 44;\r | |
608 | break;\r | |
609 | \r | |
610 | case EFI_GREEN:\r | |
611 | BackgroundControl = 42;\r | |
612 | break;\r | |
613 | \r | |
614 | case EFI_CYAN:\r | |
615 | BackgroundControl = 46;\r | |
616 | break;\r | |
617 | \r | |
618 | case EFI_RED:\r | |
619 | BackgroundControl = 41;\r | |
620 | break;\r | |
621 | \r | |
622 | case EFI_MAGENTA:\r | |
623 | BackgroundControl = 45;\r | |
624 | break;\r | |
625 | \r | |
626 | case EFI_BROWN:\r | |
627 | BackgroundControl = 43;\r | |
628 | break;\r | |
629 | \r | |
630 | default:\r | |
631 | \r | |
632 | case EFI_LIGHTGRAY:\r | |
633 | BackgroundControl = 47;\r | |
634 | break;\r | |
635 | }\r | |
636 | //\r | |
637 | // terminal emulator's control sequence to set attributes\r | |
638 | //\r | |
639 | mSetAttributeString[BRIGHT_CONTROL_OFFSET] = (CHAR16) ('0' + BrightControl);\r | |
640 | mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (ForegroundControl / 10));\r | |
641 | mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (ForegroundControl % 10));\r | |
642 | mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (BackgroundControl / 10));\r | |
643 | mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (BackgroundControl % 10));\r | |
644 | \r | |
645 | //\r | |
646 | // save current column and row\r | |
647 | // for future scrolling back use.\r | |
648 | //\r | |
649 | SavedColumn = This->Mode->CursorColumn;\r | |
650 | SavedRow = This->Mode->CursorRow;\r | |
651 | \r | |
652 | TerminalDevice->OutputEscChar = TRUE;\r | |
653 | Status = This->OutputString (This, mSetAttributeString);\r | |
654 | TerminalDevice->OutputEscChar = FALSE;\r | |
655 | \r | |
656 | if (EFI_ERROR (Status)) {\r | |
657 | return EFI_DEVICE_ERROR;\r | |
658 | }\r | |
659 | //\r | |
660 | // scroll back to saved cursor position.\r | |
661 | //\r | |
662 | This->Mode->CursorColumn = SavedColumn;\r | |
663 | This->Mode->CursorRow = SavedRow;\r | |
664 | \r | |
665 | This->Mode->Attribute = (INT32) Attribute;\r | |
666 | \r | |
667 | return EFI_SUCCESS;\r | |
668 | \r | |
669 | }\r | |
670 | \r | |
e49ef433 | 671 | \r |
672 | /**\r | |
673 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.ClearScreen().\r | |
674 | It clears the ANSI terminal's display to the\r | |
675 | currently selected background color.\r | |
676 | \r | |
677 | @param This Indicates the calling context.\r | |
678 | \r | |
679 | @return EFI_SUCCESS The operation completed successfully.\r | |
680 | @return EFI_DEVICE_ERROR The terminal screen cannot be cleared due to serial port error.\r | |
681 | @return EFI_UNSUPPORTED The terminal is not in a valid display mode.\r | |
682 | \r | |
683 | **/\r | |
95276127 | 684 | EFI_STATUS\r |
685 | EFIAPI\r | |
686 | TerminalConOutClearScreen (\r | |
687 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
688 | )\r | |
95276127 | 689 | {\r |
690 | EFI_STATUS Status;\r | |
691 | TERMINAL_DEV *TerminalDevice;\r | |
692 | \r | |
693 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
694 | \r | |
695 | //\r | |
696 | // control sequence for clear screen request\r | |
697 | //\r | |
698 | TerminalDevice->OutputEscChar = TRUE;\r | |
699 | Status = This->OutputString (This, mClearScreenString);\r | |
700 | TerminalDevice->OutputEscChar = FALSE;\r | |
701 | \r | |
702 | if (EFI_ERROR (Status)) {\r | |
703 | return EFI_DEVICE_ERROR;\r | |
704 | }\r | |
705 | \r | |
706 | Status = This->SetCursorPosition (This, 0, 0);\r | |
707 | \r | |
708 | return Status;\r | |
709 | }\r | |
710 | \r | |
e49ef433 | 711 | \r |
712 | /**\r | |
713 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetCursorPosition().\r | |
714 | \r | |
715 | @param This Indicates the calling context.\r | |
716 | @param Column The row to set cursor to.\r | |
717 | @param Row The column to set cursor to.\r | |
718 | \r | |
719 | @return EFI_SUCCESS The operation completed successfully.\r | |
720 | @return EFI_DEVICE_ERROR The request fails due to serial port error.\r | |
721 | @return EFI_UNSUPPORTED The terminal is not in a valid text mode, or the cursor position\r | |
722 | is invalid for current mode.\r | |
723 | \r | |
724 | **/\r | |
95276127 | 725 | EFI_STATUS\r |
726 | EFIAPI\r | |
727 | TerminalConOutSetCursorPosition (\r | |
728 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
729 | IN UINTN Column,\r | |
730 | IN UINTN Row\r | |
731 | )\r | |
95276127 | 732 | {\r |
733 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
734 | UINTN MaxColumn;\r | |
735 | UINTN MaxRow;\r | |
736 | EFI_STATUS Status;\r | |
737 | TERMINAL_DEV *TerminalDevice;\r | |
738 | \r | |
739 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
740 | \r | |
741 | //\r | |
742 | // get current mode\r | |
743 | //\r | |
744 | Mode = This->Mode;\r | |
745 | \r | |
746 | //\r | |
747 | // get geometry of current mode\r | |
748 | //\r | |
749 | Status = This->QueryMode (\r | |
750 | This,\r | |
751 | Mode->Mode,\r | |
752 | &MaxColumn,\r | |
753 | &MaxRow\r | |
754 | );\r | |
755 | if (EFI_ERROR (Status)) {\r | |
756 | return EFI_UNSUPPORTED;\r | |
757 | }\r | |
758 | \r | |
759 | if (Column >= MaxColumn || Row >= MaxRow) {\r | |
760 | return EFI_UNSUPPORTED;\r | |
761 | }\r | |
762 | //\r | |
763 | // control sequence to move the cursor\r | |
764 | //\r | |
765 | mSetCursorPositionString[ROW_OFFSET + 0] = (CHAR16) ('0' + ((Row + 1) / 10));\r | |
766 | mSetCursorPositionString[ROW_OFFSET + 1] = (CHAR16) ('0' + ((Row + 1) % 10));\r | |
767 | mSetCursorPositionString[COLUMN_OFFSET + 0] = (CHAR16) ('0' + ((Column + 1) / 10));\r | |
768 | mSetCursorPositionString[COLUMN_OFFSET + 1] = (CHAR16) ('0' + ((Column + 1) % 10));\r | |
769 | \r | |
770 | TerminalDevice->OutputEscChar = TRUE;\r | |
771 | Status = This->OutputString (This, mSetCursorPositionString);\r | |
772 | TerminalDevice->OutputEscChar = FALSE;\r | |
773 | \r | |
774 | if (EFI_ERROR (Status)) {\r | |
775 | return EFI_DEVICE_ERROR;\r | |
776 | }\r | |
777 | //\r | |
778 | // update current cursor position\r | |
779 | // in the Mode data structure.\r | |
780 | //\r | |
781 | Mode->CursorColumn = (INT32) Column;\r | |
782 | Mode->CursorRow = (INT32) Row;\r | |
783 | \r | |
784 | return EFI_SUCCESS;\r | |
785 | }\r | |
786 | \r | |
e49ef433 | 787 | \r |
788 | /**\r | |
789 | Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r | |
ab76200c | 790 | \r |
e49ef433 | 791 | In this driver, the cursor cannot be hidden.\r |
792 | \r | |
793 | @param This Indicates the calling context.\r | |
794 | @param Visible If TRUE, the cursor is set to be visible,\r | |
795 | If FALSE, the cursor is set to be invisible.\r | |
796 | \r | |
797 | @return EFI_SUCCESS The request is valid.\r | |
798 | @return EFI_UNSUPPORTED The terminal does not support cursor hidden.\r | |
799 | \r | |
800 | **/\r | |
95276127 | 801 | EFI_STATUS\r |
802 | EFIAPI\r | |
803 | TerminalConOutEnableCursor (\r | |
804 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
805 | IN BOOLEAN Visible\r | |
806 | )\r | |
95276127 | 807 | {\r |
808 | if (!Visible) {\r | |
809 | return EFI_UNSUPPORTED;\r | |
810 | }\r | |
811 | \r | |
812 | return EFI_SUCCESS;\r | |
813 | }\r | |
814 | \r | |
e49ef433 | 815 | \r |
816 | /**\r | |
817 | Detects if a Unicode char is for Box Drawing text graphics.\r | |
818 | \r | |
819 | @param Graphic Unicode char to test.\r | |
820 | @param PcAnsi Optional pointer to return PCANSI equivalent of\r | |
821 | Graphic.\r | |
822 | @param Ascii Optional pointer to return ASCII equivalent of\r | |
823 | Graphic.\r | |
824 | \r | |
825 | @return TRUE If Graphic is a supported Unicode Box Drawing character.\r | |
826 | \r | |
827 | **/\r | |
95276127 | 828 | BOOLEAN\r |
829 | TerminalIsValidTextGraphics (\r | |
830 | IN CHAR16 Graphic,\r | |
831 | OUT CHAR8 *PcAnsi, OPTIONAL\r | |
832 | OUT CHAR8 *Ascii OPTIONAL\r | |
833 | )\r | |
95276127 | 834 | {\r |
835 | UNICODE_TO_CHAR *Table;\r | |
836 | \r | |
837 | if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {\r | |
838 | //\r | |
839 | // Unicode drawing code charts are all in the 0x25xx range,\r | |
840 | // arrows are 0x21xx\r | |
841 | //\r | |
842 | return FALSE;\r | |
843 | }\r | |
844 | \r | |
845 | for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {\r | |
846 | if (Graphic == Table->Unicode) {\r | |
847 | if (PcAnsi != NULL) {\r | |
848 | *PcAnsi = Table->PcAnsi;\r | |
849 | }\r | |
850 | \r | |
851 | if (Ascii != NULL) {\r | |
852 | *Ascii = Table->Ascii;\r | |
853 | }\r | |
854 | \r | |
855 | return TRUE;\r | |
856 | }\r | |
857 | }\r | |
858 | \r | |
859 | return FALSE;\r | |
860 | }\r | |
861 | \r | |
8fd98315 | 862 | /**\r |
863 | Detects if a valid ASCII char.\r | |
864 | \r | |
865 | @param Ascii An ASCII character.\r | |
866 | \r | |
867 | @retval TRUE If it is a valid ASCII character.\r | |
868 | @retval FALSE If it is not a valid ASCII character.\r | |
869 | \r | |
870 | **/\r | |
95276127 | 871 | BOOLEAN\r |
872 | TerminalIsValidAscii (\r | |
873 | IN CHAR16 Ascii\r | |
874 | )\r | |
875 | {\r | |
876 | //\r | |
877 | // valid ascii code lies in the extent of 0x20 ~ 0x7f\r | |
878 | //\r | |
879 | if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {\r | |
880 | return TRUE;\r | |
881 | }\r | |
882 | \r | |
883 | return FALSE;\r | |
884 | }\r | |
885 | \r | |
8fd98315 | 886 | /**\r |
887 | Detects if a valid EFI control character.\r | |
888 | \r | |
889 | @param CharC An input EFI Control character.\r | |
890 | \r | |
891 | @retval TRUE If it is a valid EFI control character.\r | |
892 | @retval FALSE If it is not a valid EFI control character.\r | |
893 | \r | |
894 | **/\r | |
95276127 | 895 | BOOLEAN\r |
896 | TerminalIsValidEfiCntlChar (\r | |
897 | IN CHAR16 CharC\r | |
898 | )\r | |
899 | {\r | |
900 | //\r | |
901 | // only support four control characters.\r | |
902 | //\r | |
903 | if (CharC == CHAR_NULL ||\r | |
904 | CharC == CHAR_BACKSPACE ||\r | |
905 | CharC == CHAR_LINEFEED ||\r | |
906 | CharC == CHAR_CARRIAGE_RETURN ||\r | |
907 | CharC == CHAR_TAB\r | |
908 | ) {\r | |
909 | return TRUE;\r | |
910 | }\r | |
911 | \r | |
912 | return FALSE;\r | |
913 | }\r |