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1 | /*++\r | |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | TerminalConOut.c\r | |
15 | \r | |
16 | Abstract: \r | |
17 | \r | |
18 | \r | |
19 | Revision History\r | |
20 | --*/\r | |
21 | \r | |
22 | #include "Terminal.h"\r | |
23 | \r | |
24 | //\r | |
25 | // This list is used to define the valid extend chars.\r | |
26 | // It also provides a mapping from Unicode to PCANSI or\r | |
27 | // ASCII. The ASCII mapping we just made up.\r | |
28 | //\r | |
29 | //\r | |
30 | STATIC UNICODE_TO_CHAR UnicodeToPcAnsiOrAscii[] = {\r | |
31 | { BOXDRAW_HORIZONTAL, 0xc4, L'-' }, \r | |
32 | { BOXDRAW_VERTICAL, 0xb3, L'|' },\r | |
33 | { BOXDRAW_DOWN_RIGHT, 0xda, L'/' },\r | |
34 | { BOXDRAW_DOWN_LEFT, 0xbf, L'\\' },\r | |
35 | { BOXDRAW_UP_RIGHT, 0xc0, L'\\' },\r | |
36 | { BOXDRAW_UP_LEFT, 0xd9, L'/' },\r | |
37 | { BOXDRAW_VERTICAL_RIGHT, 0xc3, L'|' },\r | |
38 | { BOXDRAW_VERTICAL_LEFT, 0xb4, L'|' },\r | |
39 | { BOXDRAW_DOWN_HORIZONTAL, 0xc2, L'+' },\r | |
40 | { BOXDRAW_UP_HORIZONTAL, 0xc1, L'+' },\r | |
41 | { BOXDRAW_VERTICAL_HORIZONTAL, 0xc5, L'+' },\r | |
42 | { BOXDRAW_DOUBLE_HORIZONTAL, 0xcd, L'-' },\r | |
43 | { BOXDRAW_DOUBLE_VERTICAL, 0xba, L'|' },\r | |
44 | { BOXDRAW_DOWN_RIGHT_DOUBLE, 0xd5, L'/' },\r | |
45 | { BOXDRAW_DOWN_DOUBLE_RIGHT, 0xd6, L'/' },\r | |
46 | { BOXDRAW_DOUBLE_DOWN_RIGHT, 0xc9, L'/' },\r | |
47 | { BOXDRAW_DOWN_LEFT_DOUBLE, 0xb8, L'\\' },\r | |
48 | { BOXDRAW_DOWN_DOUBLE_LEFT, 0xb7, L'\\' },\r | |
49 | { BOXDRAW_DOUBLE_DOWN_LEFT, 0xbb, L'\\' },\r | |
50 | { BOXDRAW_UP_RIGHT_DOUBLE, 0xd4, L'\\' },\r | |
51 | { BOXDRAW_UP_DOUBLE_RIGHT, 0xd3, L'\\' },\r | |
52 | { BOXDRAW_DOUBLE_UP_RIGHT, 0xc8, L'\\' },\r | |
53 | { BOXDRAW_UP_LEFT_DOUBLE, 0xbe, L'/' },\r | |
54 | { BOXDRAW_UP_DOUBLE_LEFT, 0xbd, L'/' },\r | |
55 | { BOXDRAW_DOUBLE_UP_LEFT, 0xbc, L'/' },\r | |
56 | { BOXDRAW_VERTICAL_RIGHT_DOUBLE, 0xc6, L'|' },\r | |
57 | { BOXDRAW_VERTICAL_DOUBLE_RIGHT, 0xc7, L'|' },\r | |
58 | { BOXDRAW_DOUBLE_VERTICAL_RIGHT, 0xcc, L'|' },\r | |
59 | { BOXDRAW_VERTICAL_LEFT_DOUBLE, 0xb5, L'|' },\r | |
60 | { BOXDRAW_VERTICAL_DOUBLE_LEFT, 0xb6, L'|' },\r | |
61 | { BOXDRAW_DOUBLE_VERTICAL_LEFT, 0xb9, L'|' },\r | |
62 | { BOXDRAW_DOWN_HORIZONTAL_DOUBLE, 0xd1, L'+' },\r | |
63 | { BOXDRAW_DOWN_DOUBLE_HORIZONTAL, 0xd2, L'+' },\r | |
64 | { BOXDRAW_DOUBLE_DOWN_HORIZONTAL, 0xcb, L'+' },\r | |
65 | { BOXDRAW_UP_HORIZONTAL_DOUBLE, 0xcf, L'+' },\r | |
66 | { BOXDRAW_UP_DOUBLE_HORIZONTAL, 0xd0, L'+' },\r | |
67 | { BOXDRAW_DOUBLE_UP_HORIZONTAL, 0xca, L'+' },\r | |
68 | { BOXDRAW_VERTICAL_HORIZONTAL_DOUBLE, 0xd8, L'+' },\r | |
69 | { BOXDRAW_VERTICAL_DOUBLE_HORIZONTAL, 0xd7, L'+' },\r | |
70 | { BOXDRAW_DOUBLE_VERTICAL_HORIZONTAL, 0xce, L'+' },\r | |
71 | \r | |
72 | { BLOCKELEMENT_FULL_BLOCK, 0xdb, L'*' },\r | |
73 | { BLOCKELEMENT_LIGHT_SHADE, 0xb0, L'+' },\r | |
74 | \r | |
75 | { GEOMETRICSHAPE_UP_TRIANGLE, 0x1e, L'^' },\r | |
76 | { GEOMETRICSHAPE_RIGHT_TRIANGLE, 0x10, L'>' },\r | |
77 | { GEOMETRICSHAPE_DOWN_TRIANGLE, 0x1f, L'v' },\r | |
78 | { GEOMETRICSHAPE_LEFT_TRIANGLE, 0x11, L'<' },\r | |
79 | \r | |
80 | { ARROW_LEFT, 0x3c, L'<' },\r | |
81 | { ARROW_UP, 0x18, L'^' },\r | |
82 | { ARROW_RIGHT, 0x3e, L'>' },\r | |
83 | { ARROW_DOWN, 0x19, L'v' },\r | |
84 | \r | |
85 | { 0x0000, 0x00, L'\0' }\r | |
86 | };\r | |
87 | \r | |
88 | CHAR16 mSetModeString[] = { ESC, '[', '=', '3', 'h', 0 };\r | |
89 | CHAR16 mSetAttributeString[] = { ESC, '[', '0', 'm', ESC, '[', '4', '0', 'm', ESC, '[', '4', '0', 'm', 0 };\r | |
90 | CHAR16 mClearScreenString[] = { ESC, '[', '2', 'J', 0 };\r | |
91 | CHAR16 mSetCursorPositionString[] = { ESC, '[', '0', '0', ';', '0', '0', 'H', 0 };\r | |
92 | \r | |
93 | //\r | |
94 | // Body of the ConOut functions\r | |
95 | //\r | |
96 | EFI_STATUS\r | |
97 | EFIAPI\r | |
98 | TerminalConOutReset (\r | |
99 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
100 | IN BOOLEAN ExtendedVerification\r | |
101 | )\r | |
102 | /*++\r | |
103 | Routine Description:\r | |
104 | \r | |
105 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset().\r | |
106 | If ExtendeVerification is TRUE, then perform dependent serial device reset,\r | |
107 | and set display mode to mode 0.\r | |
108 | If ExtendedVerification is FALSE, only set display mode to mode 0.\r | |
109 | \r | |
110 | Arguments:\r | |
111 | \r | |
112 | This - Indicates the calling context.\r | |
113 | \r | |
114 | ExtendedVerification - Indicates that the driver may perform a more exhaustive\r | |
115 | verification operation of the device during reset.\r | |
116 | \r | |
117 | Returns:\r | |
118 | \r | |
119 | EFI_SUCCESS\r | |
120 | The reset operation succeeds. \r | |
121 | \r | |
122 | EFI_DEVICE_ERROR\r | |
123 | The terminal is not functioning correctly or the serial port reset fails.\r | |
124 | \r | |
125 | --*/\r | |
126 | {\r | |
127 | EFI_STATUS Status;\r | |
128 | TERMINAL_DEV *TerminalDevice;\r | |
129 | \r | |
130 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
131 | \r | |
132 | //\r | |
133 | // Perform a more exhaustive reset by resetting the serial port.\r | |
134 | //\r | |
135 | if (ExtendedVerification) {\r | |
136 | //\r | |
137 | // Report progress code here\r | |
138 | //\r | |
139 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
140 | EFI_PROGRESS_CODE,\r | |
141 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r | |
142 | TerminalDevice->DevicePath\r | |
143 | );\r | |
144 | \r | |
145 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
146 | if (EFI_ERROR (Status)) {\r | |
147 | //\r | |
148 | // Report error code here\r | |
149 | //\r | |
150 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
151 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
152 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r | |
153 | TerminalDevice->DevicePath\r | |
154 | );\r | |
155 | \r | |
156 | return Status;\r | |
157 | }\r | |
158 | }\r | |
159 | \r | |
160 | This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));\r | |
161 | \r | |
162 | Status = This->SetMode (This, 0);\r | |
163 | \r | |
164 | return Status;\r | |
165 | }\r | |
166 | \r | |
167 | EFI_STATUS\r | |
168 | EFIAPI\r | |
169 | TerminalConOutOutputString (\r | |
170 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
171 | IN CHAR16 *WString\r | |
172 | )\r | |
173 | /*++\r | |
174 | Routine Description:\r | |
175 | \r | |
176 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString().\r | |
177 | The Unicode string will be converted to terminal expressible data stream\r | |
178 | and send to terminal via serial port.\r | |
179 | \r | |
180 | \r | |
181 | Arguments:\r | |
182 | \r | |
183 | This - Indicates the calling context.\r | |
184 | \r | |
185 | WString - The Null-terminated Unicode string to be displayed on \r | |
186 | the terminal screen.\r | |
187 | \r | |
188 | Returns:\r | |
189 | \r | |
190 | EFI_SUCCESS\r | |
191 | The string is output successfully. \r | |
192 | \r | |
193 | EFI_DEVICE_ERROR\r | |
194 | The serial port fails to send the string out.\r | |
195 | \r | |
196 | EFI_WARN_UNKNOWN_GLYPH\r | |
197 | Indicates that some of the characters in the Unicode string could not \r | |
198 | be rendered and are skipped. \r | |
199 | \r | |
200 | EFI_UNSUPPORTED\r | |
201 | \r | |
202 | --*/\r | |
203 | {\r | |
204 | TERMINAL_DEV *TerminalDevice;\r | |
205 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
206 | UINTN MaxColumn;\r | |
207 | UINTN MaxRow;\r | |
208 | UINTN Length;\r | |
209 | UTF8_CHAR Utf8Char;\r | |
210 | CHAR8 GraphicChar;\r | |
211 | CHAR8 AsciiChar;\r | |
212 | EFI_STATUS Status;\r | |
213 | UINT8 ValidBytes;\r | |
214 | //\r | |
215 | // flag used to indicate whether condition happens which will cause\r | |
216 | // return EFI_WARN_UNKNOWN_GLYPH\r | |
217 | //\r | |
218 | BOOLEAN Warning;\r | |
219 | \r | |
220 | ValidBytes = 0;\r | |
221 | Warning = FALSE;\r | |
222 | \r | |
223 | //\r | |
224 | // get Terminal device data structure pointer.\r | |
225 | //\r | |
226 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
227 | \r | |
228 | //\r | |
229 | // Get current display mode\r | |
230 | //\r | |
231 | Mode = This->Mode;\r | |
232 | \r | |
233 | if (Mode->Mode > 1) {\r | |
234 | return EFI_UNSUPPORTED;\r | |
235 | }\r | |
236 | \r | |
237 | This->QueryMode (\r | |
238 | This,\r | |
239 | Mode->Mode,\r | |
240 | &MaxColumn,\r | |
241 | &MaxRow\r | |
242 | );\r | |
243 | \r | |
244 | for (; *WString != CHAR_NULL; WString++) {\r | |
245 | \r | |
246 | switch (TerminalDevice->TerminalType) {\r | |
247 | \r | |
248 | case PcAnsiType:\r | |
249 | case VT100Type:\r | |
250 | case VT100PlusType:\r | |
251 | \r | |
252 | if (!TerminalIsValidTextGraphics (*WString, &GraphicChar, &AsciiChar)) {\r | |
253 | //\r | |
254 | // If it's not a graphic character convert Unicode to ASCII.\r | |
255 | //\r | |
256 | GraphicChar = (CHAR8) *WString;\r | |
257 | \r | |
258 | if (!(TerminalIsValidAscii (GraphicChar) || TerminalIsValidEfiCntlChar (GraphicChar))) {\r | |
259 | //\r | |
260 | // when this driver use the OutputString to output control string,\r | |
261 | // TerminalDevice->OutputEscChar is set to let the Esc char\r | |
262 | // to be output to the terminal emulation software.\r | |
263 | //\r | |
264 | if ((GraphicChar == 27) && TerminalDevice->OutputEscChar) {\r | |
265 | GraphicChar = 27;\r | |
266 | } else {\r | |
267 | GraphicChar = '?';\r | |
268 | Warning = TRUE;\r | |
269 | }\r | |
270 | }\r | |
271 | \r | |
272 | AsciiChar = GraphicChar;\r | |
273 | \r | |
274 | }\r | |
275 | \r | |
276 | if (TerminalDevice->TerminalType != PcAnsiType) {\r | |
277 | GraphicChar = AsciiChar;\r | |
278 | }\r | |
279 | \r | |
280 | Length = 1;\r | |
281 | \r | |
282 | Status = TerminalDevice->SerialIo->Write (\r | |
283 | TerminalDevice->SerialIo,\r | |
284 | &Length,\r | |
285 | &GraphicChar\r | |
286 | );\r | |
287 | \r | |
288 | if (EFI_ERROR (Status)) {\r | |
289 | goto OutputError;\r | |
290 | }\r | |
291 | \r | |
292 | break;\r | |
293 | \r | |
294 | case VTUTF8Type:\r | |
295 | UnicodeToUtf8 (*WString, &Utf8Char, &ValidBytes);\r | |
296 | Length = ValidBytes;\r | |
297 | Status = TerminalDevice->SerialIo->Write (\r | |
298 | TerminalDevice->SerialIo,\r | |
299 | &Length,\r | |
300 | (UINT8 *) &Utf8Char\r | |
301 | );\r | |
302 | if (EFI_ERROR (Status)) {\r | |
303 | goto OutputError;\r | |
304 | }\r | |
305 | break;\r | |
306 | }\r | |
307 | //\r | |
308 | // Update cursor position.\r | |
309 | //\r | |
310 | switch (*WString) {\r | |
311 | \r | |
312 | case CHAR_BACKSPACE:\r | |
313 | if (Mode->CursorColumn > 0) {\r | |
314 | Mode->CursorColumn--;\r | |
315 | }\r | |
316 | break;\r | |
317 | \r | |
318 | case CHAR_LINEFEED:\r | |
319 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
320 | Mode->CursorRow++;\r | |
321 | }\r | |
322 | break;\r | |
323 | \r | |
324 | case CHAR_CARRIAGE_RETURN:\r | |
325 | Mode->CursorColumn = 0;\r | |
326 | break;\r | |
327 | \r | |
328 | default:\r | |
329 | if (Mode->CursorColumn < (INT32) (MaxColumn - 1)) {\r | |
330 | \r | |
331 | Mode->CursorColumn++;\r | |
332 | \r | |
333 | } else {\r | |
334 | \r | |
335 | Mode->CursorColumn = 0;\r | |
336 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
337 | Mode->CursorRow++;\r | |
338 | }\r | |
339 | \r | |
340 | }\r | |
341 | break;\r | |
342 | \r | |
343 | };\r | |
344 | \r | |
345 | }\r | |
346 | \r | |
347 | if (Warning) {\r | |
348 | return EFI_WARN_UNKNOWN_GLYPH;\r | |
349 | }\r | |
350 | \r | |
351 | return EFI_SUCCESS;\r | |
352 | \r | |
353 | OutputError:\r | |
354 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
355 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
356 | PcdGet32 (PcdStatusCodeValueRemoteConsoleOutputError),\r | |
357 | TerminalDevice->DevicePath\r | |
358 | );\r | |
359 | \r | |
360 | return EFI_DEVICE_ERROR;\r | |
361 | }\r | |
362 | \r | |
363 | EFI_STATUS\r | |
364 | EFIAPI\r | |
365 | TerminalConOutTestString (\r | |
366 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
367 | IN CHAR16 *WString\r | |
368 | )\r | |
369 | /*++\r | |
370 | Routine Description:\r | |
371 | \r | |
372 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.TestString().\r | |
373 | If one of the characters in the *Wstring is\r | |
374 | neither valid Unicode drawing characters,\r | |
375 | not ASCII code, then this function will return\r | |
376 | EFI_UNSUPPORTED.\r | |
377 | \r | |
378 | \r | |
379 | Arguments:\r | |
380 | \r | |
381 | This - Indicates the calling context.\r | |
382 | \r | |
383 | WString - The Null-terminated Unicode string to be tested.\r | |
384 | \r | |
385 | Returns:\r | |
386 | \r | |
387 | EFI_SUCCESS\r | |
388 | The terminal is capable of rendering the output string. \r | |
389 | \r | |
390 | EFI_UNSUPPORTED\r | |
391 | Some of the characters in the Unicode string cannot be rendered. \r | |
392 | \r | |
393 | --*/\r | |
394 | {\r | |
395 | TERMINAL_DEV *TerminalDevice;\r | |
396 | EFI_STATUS Status;\r | |
397 | \r | |
398 | //\r | |
399 | // get Terminal device data structure pointer.\r | |
400 | //\r | |
401 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
402 | \r | |
403 | switch (TerminalDevice->TerminalType) {\r | |
404 | \r | |
405 | case PcAnsiType:\r | |
406 | case VT100Type:\r | |
407 | case VT100PlusType:\r | |
408 | Status = AnsiTestString (TerminalDevice, WString);\r | |
409 | break;\r | |
410 | \r | |
411 | case VTUTF8Type:\r | |
412 | Status = VTUTF8TestString (TerminalDevice, WString);\r | |
413 | break;\r | |
414 | \r | |
415 | default:\r | |
416 | Status = EFI_UNSUPPORTED;\r | |
417 | break;\r | |
418 | }\r | |
419 | \r | |
420 | return Status;\r | |
421 | }\r | |
422 | \r | |
423 | EFI_STATUS\r | |
424 | EFIAPI\r | |
425 | TerminalConOutQueryMode (\r | |
426 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
427 | IN UINTN ModeNumber,\r | |
428 | OUT UINTN *Columns,\r | |
429 | OUT UINTN *Rows\r | |
430 | )\r | |
431 | /*++\r | |
432 | Routine Description:\r | |
433 | \r | |
434 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.QueryMode().\r | |
435 | It returns information for an available text mode\r | |
436 | that the terminal supports.\r | |
437 | In this driver, we only support text mode 80x25, which is\r | |
438 | defined as mode 0.\r | |
439 | \r | |
440 | \r | |
441 | Arguments:\r | |
442 | \r | |
443 | *This\r | |
444 | Indicates the calling context.\r | |
445 | \r | |
446 | ModeNumber\r | |
447 | The mode number to return information on.\r | |
448 | \r | |
449 | Columns\r | |
450 | The returned columns of the requested mode.\r | |
451 | \r | |
452 | Rows\r | |
453 | The returned rows of the requested mode. \r | |
454 | \r | |
455 | Returns:\r | |
456 | \r | |
457 | EFI_SUCCESS\r | |
458 | The requested mode information is returned. \r | |
459 | \r | |
460 | EFI_UNSUPPORTED\r | |
461 | The mode number is not valid. \r | |
462 | \r | |
463 | EFI_DEVICE_ERROR\r | |
464 | \r | |
465 | --*/\r | |
466 | {\r | |
467 | if (This->Mode->MaxMode > 2) {\r | |
468 | return EFI_DEVICE_ERROR;\r | |
469 | }\r | |
470 | \r | |
471 | if (ModeNumber == 0) {\r | |
472 | *Columns = MODE0_COLUMN_COUNT;\r | |
473 | *Rows = MODE0_ROW_COUNT;\r | |
474 | return EFI_SUCCESS;\r | |
475 | } else if (ModeNumber == 1) { \r | |
476 | *Columns = MODE1_COLUMN_COUNT;\r | |
477 | *Rows = MODE1_ROW_COUNT;\r | |
478 | return EFI_SUCCESS;\r | |
479 | }\r | |
480 | \r | |
481 | return EFI_UNSUPPORTED;\r | |
482 | }\r | |
483 | \r | |
484 | EFI_STATUS\r | |
485 | EFIAPI\r | |
486 | TerminalConOutSetMode (\r | |
487 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
488 | IN UINTN ModeNumber\r | |
489 | )\r | |
490 | /*++\r | |
491 | Routine Description:\r | |
492 | \r | |
493 | Implements EFI_SIMPLE_TEXT_OUT.SetMode().\r | |
494 | Set the terminal to a specified display mode.\r | |
495 | In this driver, we only support mode 0. \r | |
496 | \r | |
497 | Arguments:\r | |
498 | \r | |
499 | This\r | |
500 | Indicates the calling context.\r | |
501 | \r | |
502 | ModeNumber\r | |
503 | The text mode to set.\r | |
504 | \r | |
505 | Returns:\r | |
506 | \r | |
507 | EFI_SUCCESS\r | |
508 | The requested text mode is set.\r | |
509 | \r | |
510 | EFI_DEVICE_ERROR\r | |
511 | The requested text mode cannot be set because of serial device error.\r | |
512 | \r | |
513 | EFI_UNSUPPORTED\r | |
514 | The text mode number is not valid. \r | |
515 | \r | |
516 | --*/\r | |
517 | {\r | |
518 | EFI_STATUS Status;\r | |
519 | TERMINAL_DEV *TerminalDevice;\r | |
520 | \r | |
521 | //\r | |
522 | // get Terminal device data structure pointer.\r | |
523 | //\r | |
524 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
525 | \r | |
526 | if (ModeNumber > 1) {\r | |
527 | return EFI_UNSUPPORTED;\r | |
528 | }\r | |
529 | \r | |
530 | //\r | |
531 | // Set the current mode\r | |
532 | //\r | |
533 | This->Mode->Mode = (INT32) ModeNumber;\r | |
534 | \r | |
535 | This->ClearScreen (This);\r | |
536 | \r | |
537 | TerminalDevice->OutputEscChar = TRUE;\r | |
538 | Status = This->OutputString (This, mSetModeString);\r | |
539 | TerminalDevice->OutputEscChar = FALSE;\r | |
540 | \r | |
541 | if (EFI_ERROR (Status)) {\r | |
542 | return EFI_DEVICE_ERROR;\r | |
543 | }\r | |
544 | \r | |
545 | This->Mode->Mode = (INT32) ModeNumber;\r | |
546 | \r | |
547 | Status = This->ClearScreen (This);\r | |
548 | if (EFI_ERROR (Status)) {\r | |
549 | return EFI_DEVICE_ERROR;\r | |
550 | }\r | |
551 | \r | |
552 | return EFI_SUCCESS;\r | |
553 | \r | |
554 | }\r | |
555 | \r | |
556 | EFI_STATUS\r | |
557 | EFIAPI\r | |
558 | TerminalConOutSetAttribute (\r | |
559 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
560 | IN UINTN Attribute\r | |
561 | )\r | |
562 | /*++\r | |
563 | Routine Description:\r | |
564 | \r | |
565 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute(). \r | |
566 | \r | |
567 | Arguments:\r | |
568 | \r | |
569 | This\r | |
570 | Indicates the calling context.\r | |
571 | \r | |
572 | Attribute\r | |
573 | The attribute to set. Only bit0..6 are valid, all other bits\r | |
574 | are undefined and must be zero.\r | |
575 | \r | |
576 | Returns:\r | |
577 | \r | |
578 | EFI_SUCCESS\r | |
579 | The requested attribute is set. \r | |
580 | \r | |
581 | EFI_DEVICE_ERROR\r | |
582 | The requested attribute cannot be set due to serial port error.\r | |
583 | \r | |
584 | EFI_UNSUPPORTED\r | |
585 | The attribute requested is not defined by EFI spec. \r | |
586 | \r | |
587 | --*/\r | |
588 | {\r | |
589 | UINT8 ForegroundControl;\r | |
590 | UINT8 BackgroundControl;\r | |
591 | UINT8 BrightControl;\r | |
592 | INT32 SavedColumn;\r | |
593 | INT32 SavedRow;\r | |
594 | EFI_STATUS Status;\r | |
595 | TERMINAL_DEV *TerminalDevice;\r | |
596 | \r | |
597 | SavedColumn = 0;\r | |
598 | SavedRow = 0;\r | |
599 | \r | |
600 | //\r | |
601 | // get Terminal device data structure pointer.\r | |
602 | //\r | |
603 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
604 | \r | |
605 | //\r | |
606 | // only the bit0..6 of the Attribute is valid\r | |
607 | //\r | |
608 | if ((Attribute | 0x7f) != 0x7f) {\r | |
609 | return EFI_UNSUPPORTED;\r | |
610 | }\r | |
611 | //\r | |
612 | // convert Attribute value to terminal emulator\r | |
613 | // understandable foreground color\r | |
614 | //\r | |
615 | switch (Attribute & 0x07) {\r | |
616 | \r | |
617 | case EFI_BLACK:\r | |
618 | ForegroundControl = 30;\r | |
619 | break;\r | |
620 | \r | |
621 | case EFI_BLUE:\r | |
622 | ForegroundControl = 34;\r | |
623 | break;\r | |
624 | \r | |
625 | case EFI_GREEN:\r | |
626 | ForegroundControl = 32;\r | |
627 | break;\r | |
628 | \r | |
629 | case EFI_CYAN:\r | |
630 | ForegroundControl = 36;\r | |
631 | break;\r | |
632 | \r | |
633 | case EFI_RED:\r | |
634 | ForegroundControl = 31;\r | |
635 | break;\r | |
636 | \r | |
637 | case EFI_MAGENTA:\r | |
638 | ForegroundControl = 35;\r | |
639 | break;\r | |
640 | \r | |
641 | case EFI_BROWN:\r | |
642 | ForegroundControl = 33;\r | |
643 | break;\r | |
644 | \r | |
645 | default:\r | |
646 | \r | |
647 | case EFI_LIGHTGRAY:\r | |
648 | ForegroundControl = 37;\r | |
649 | break;\r | |
650 | \r | |
651 | }\r | |
652 | //\r | |
653 | // bit4 of the Attribute indicates bright control\r | |
654 | // of terminal emulator.\r | |
655 | //\r | |
656 | BrightControl = (UINT8) ((Attribute >> 3) & 1);\r | |
657 | \r | |
658 | //\r | |
659 | // convert Attribute value to terminal emulator\r | |
660 | // understandable background color.\r | |
661 | //\r | |
662 | switch ((Attribute >> 4) & 0x07) {\r | |
663 | \r | |
664 | case EFI_BLACK:\r | |
665 | BackgroundControl = 40;\r | |
666 | break;\r | |
667 | \r | |
668 | case EFI_BLUE:\r | |
669 | BackgroundControl = 44;\r | |
670 | break;\r | |
671 | \r | |
672 | case EFI_GREEN:\r | |
673 | BackgroundControl = 42;\r | |
674 | break;\r | |
675 | \r | |
676 | case EFI_CYAN:\r | |
677 | BackgroundControl = 46;\r | |
678 | break;\r | |
679 | \r | |
680 | case EFI_RED:\r | |
681 | BackgroundControl = 41;\r | |
682 | break;\r | |
683 | \r | |
684 | case EFI_MAGENTA:\r | |
685 | BackgroundControl = 45;\r | |
686 | break;\r | |
687 | \r | |
688 | case EFI_BROWN:\r | |
689 | BackgroundControl = 43;\r | |
690 | break;\r | |
691 | \r | |
692 | default:\r | |
693 | \r | |
694 | case EFI_LIGHTGRAY:\r | |
695 | BackgroundControl = 47;\r | |
696 | break;\r | |
697 | }\r | |
698 | //\r | |
699 | // terminal emulator's control sequence to set attributes\r | |
700 | //\r | |
701 | mSetAttributeString[BRIGHT_CONTROL_OFFSET] = (CHAR16) ('0' + BrightControl);\r | |
702 | mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (ForegroundControl / 10));\r | |
703 | mSetAttributeString[FOREGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (ForegroundControl % 10));\r | |
704 | mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 0] = (CHAR16) ('0' + (BackgroundControl / 10));\r | |
705 | mSetAttributeString[BACKGROUND_CONTROL_OFFSET + 1] = (CHAR16) ('0' + (BackgroundControl % 10));\r | |
706 | \r | |
707 | //\r | |
708 | // save current column and row\r | |
709 | // for future scrolling back use.\r | |
710 | //\r | |
711 | SavedColumn = This->Mode->CursorColumn;\r | |
712 | SavedRow = This->Mode->CursorRow;\r | |
713 | \r | |
714 | TerminalDevice->OutputEscChar = TRUE;\r | |
715 | Status = This->OutputString (This, mSetAttributeString);\r | |
716 | TerminalDevice->OutputEscChar = FALSE;\r | |
717 | \r | |
718 | if (EFI_ERROR (Status)) {\r | |
719 | return EFI_DEVICE_ERROR;\r | |
720 | }\r | |
721 | //\r | |
722 | // scroll back to saved cursor position.\r | |
723 | //\r | |
724 | This->Mode->CursorColumn = SavedColumn;\r | |
725 | This->Mode->CursorRow = SavedRow;\r | |
726 | \r | |
727 | This->Mode->Attribute = (INT32) Attribute;\r | |
728 | \r | |
729 | return EFI_SUCCESS;\r | |
730 | \r | |
731 | }\r | |
732 | \r | |
733 | EFI_STATUS\r | |
734 | EFIAPI\r | |
735 | TerminalConOutClearScreen (\r | |
736 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
737 | )\r | |
738 | /*++\r | |
739 | Routine Description:\r | |
740 | \r | |
741 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.ClearScreen().\r | |
742 | It clears the ANSI terminal's display to the \r | |
743 | currently selected background color.\r | |
744 | \r | |
745 | \r | |
746 | Arguments:\r | |
747 | \r | |
748 | This\r | |
749 | Indicates the calling context.\r | |
750 | \r | |
751 | Returns:\r | |
752 | \r | |
753 | EFI_SUCCESS\r | |
754 | The operation completed successfully.\r | |
755 | \r | |
756 | EFI_DEVICE_ERROR\r | |
757 | The terminal screen cannot be cleared due to serial port error. \r | |
758 | \r | |
759 | EFI_UNSUPPORTED\r | |
760 | The terminal is not in a valid display mode. \r | |
761 | \r | |
762 | --*/\r | |
763 | {\r | |
764 | EFI_STATUS Status;\r | |
765 | TERMINAL_DEV *TerminalDevice;\r | |
766 | \r | |
767 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
768 | \r | |
769 | //\r | |
770 | // control sequence for clear screen request\r | |
771 | //\r | |
772 | TerminalDevice->OutputEscChar = TRUE;\r | |
773 | Status = This->OutputString (This, mClearScreenString);\r | |
774 | TerminalDevice->OutputEscChar = FALSE;\r | |
775 | \r | |
776 | if (EFI_ERROR (Status)) {\r | |
777 | return EFI_DEVICE_ERROR;\r | |
778 | }\r | |
779 | \r | |
780 | Status = This->SetCursorPosition (This, 0, 0);\r | |
781 | \r | |
782 | return Status;\r | |
783 | }\r | |
784 | \r | |
785 | EFI_STATUS\r | |
786 | EFIAPI\r | |
787 | TerminalConOutSetCursorPosition (\r | |
788 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
789 | IN UINTN Column,\r | |
790 | IN UINTN Row\r | |
791 | )\r | |
792 | /*++\r | |
793 | Routine Description:\r | |
794 | \r | |
795 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetCursorPosition(). \r | |
796 | \r | |
797 | Arguments:\r | |
798 | \r | |
799 | This\r | |
800 | Indicates the calling context.\r | |
801 | \r | |
802 | Column\r | |
803 | The row to set cursor to.\r | |
804 | \r | |
805 | Row\r | |
806 | The column to set cursor to. \r | |
807 | \r | |
808 | Returns:\r | |
809 | \r | |
810 | EFI_SUCCESS\r | |
811 | The operation completed successfully.\r | |
812 | \r | |
813 | EFI_DEVICE_ERROR\r | |
814 | The request fails due to serial port error. \r | |
815 | \r | |
816 | EFI_UNSUPPORTED\r | |
817 | The terminal is not in a valid text mode, or the cursor position\r | |
818 | is invalid for current mode. \r | |
819 | \r | |
820 | --*/\r | |
821 | {\r | |
822 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
823 | UINTN MaxColumn;\r | |
824 | UINTN MaxRow;\r | |
825 | EFI_STATUS Status;\r | |
826 | TERMINAL_DEV *TerminalDevice;\r | |
827 | \r | |
828 | TerminalDevice = TERMINAL_CON_OUT_DEV_FROM_THIS (This);\r | |
829 | \r | |
830 | //\r | |
831 | // get current mode\r | |
832 | //\r | |
833 | Mode = This->Mode;\r | |
834 | \r | |
835 | //\r | |
836 | // get geometry of current mode\r | |
837 | //\r | |
838 | Status = This->QueryMode (\r | |
839 | This,\r | |
840 | Mode->Mode,\r | |
841 | &MaxColumn,\r | |
842 | &MaxRow\r | |
843 | );\r | |
844 | if (EFI_ERROR (Status)) {\r | |
845 | return EFI_UNSUPPORTED;\r | |
846 | }\r | |
847 | \r | |
848 | if (Column >= MaxColumn || Row >= MaxRow) {\r | |
849 | return EFI_UNSUPPORTED;\r | |
850 | }\r | |
851 | //\r | |
852 | // control sequence to move the cursor\r | |
853 | //\r | |
854 | mSetCursorPositionString[ROW_OFFSET + 0] = (CHAR16) ('0' + ((Row + 1) / 10));\r | |
855 | mSetCursorPositionString[ROW_OFFSET + 1] = (CHAR16) ('0' + ((Row + 1) % 10));\r | |
856 | mSetCursorPositionString[COLUMN_OFFSET + 0] = (CHAR16) ('0' + ((Column + 1) / 10));\r | |
857 | mSetCursorPositionString[COLUMN_OFFSET + 1] = (CHAR16) ('0' + ((Column + 1) % 10));\r | |
858 | \r | |
859 | TerminalDevice->OutputEscChar = TRUE;\r | |
860 | Status = This->OutputString (This, mSetCursorPositionString);\r | |
861 | TerminalDevice->OutputEscChar = FALSE;\r | |
862 | \r | |
863 | if (EFI_ERROR (Status)) {\r | |
864 | return EFI_DEVICE_ERROR;\r | |
865 | }\r | |
866 | //\r | |
867 | // update current cursor position\r | |
868 | // in the Mode data structure.\r | |
869 | //\r | |
870 | Mode->CursorColumn = (INT32) Column;\r | |
871 | Mode->CursorRow = (INT32) Row;\r | |
872 | \r | |
873 | return EFI_SUCCESS;\r | |
874 | }\r | |
875 | \r | |
876 | EFI_STATUS\r | |
877 | EFIAPI\r | |
878 | TerminalConOutEnableCursor (\r | |
879 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
880 | IN BOOLEAN Visible\r | |
881 | )\r | |
882 | /*++\r | |
883 | Routine Description:\r | |
884 | \r | |
885 | Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r | |
886 | In this driver, the cursor cannot be hidden. \r | |
887 | \r | |
888 | Arguments:\r | |
889 | \r | |
890 | This\r | |
891 | Indicates the calling context.\r | |
892 | \r | |
893 | Visible\r | |
894 | If TRUE, the cursor is set to be visible,\r | |
895 | If FALSE, the cursor is set to be invisible. \r | |
896 | \r | |
897 | Returns:\r | |
898 | \r | |
899 | EFI_SUCCESS\r | |
900 | The request is valid.\r | |
901 | \r | |
902 | EFI_UNSUPPORTED\r | |
903 | The terminal does not support cursor hidden. \r | |
904 | \r | |
905 | --*/\r | |
906 | {\r | |
907 | if (!Visible) {\r | |
908 | return EFI_UNSUPPORTED;\r | |
909 | }\r | |
910 | \r | |
911 | return EFI_SUCCESS;\r | |
912 | }\r | |
913 | \r | |
914 | BOOLEAN\r | |
915 | TerminalIsValidTextGraphics (\r | |
916 | IN CHAR16 Graphic,\r | |
917 | OUT CHAR8 *PcAnsi, OPTIONAL\r | |
918 | OUT CHAR8 *Ascii OPTIONAL\r | |
919 | )\r | |
920 | /*++\r | |
921 | \r | |
922 | Routine Description:\r | |
923 | \r | |
924 | Detects if a Unicode char is for Box Drawing text graphics.\r | |
925 | \r | |
926 | Arguments:\r | |
927 | \r | |
928 | Graphic - Unicode char to test.\r | |
929 | \r | |
930 | PcAnsi - Optional pointer to return PCANSI equivalent of Graphic.\r | |
931 | \r | |
932 | Ascii - Optional pointer to return ASCII equivalent of Graphic.\r | |
933 | \r | |
934 | Returns:\r | |
935 | \r | |
936 | TRUE if Graphic is a supported Unicode Box Drawing character.\r | |
937 | \r | |
938 | --*/\r | |
939 | {\r | |
940 | UNICODE_TO_CHAR *Table;\r | |
941 | \r | |
942 | if ((((Graphic & 0xff00) != 0x2500) && ((Graphic & 0xff00) != 0x2100))) {\r | |
943 | //\r | |
944 | // Unicode drawing code charts are all in the 0x25xx range,\r | |
945 | // arrows are 0x21xx\r | |
946 | //\r | |
947 | return FALSE;\r | |
948 | }\r | |
949 | \r | |
950 | for (Table = UnicodeToPcAnsiOrAscii; Table->Unicode != 0x0000; Table++) {\r | |
951 | if (Graphic == Table->Unicode) {\r | |
952 | if (PcAnsi != NULL) {\r | |
953 | *PcAnsi = Table->PcAnsi;\r | |
954 | }\r | |
955 | \r | |
956 | if (Ascii != NULL) {\r | |
957 | *Ascii = Table->Ascii;\r | |
958 | }\r | |
959 | \r | |
960 | return TRUE;\r | |
961 | }\r | |
962 | }\r | |
963 | \r | |
964 | return FALSE;\r | |
965 | }\r | |
966 | \r | |
967 | BOOLEAN\r | |
968 | TerminalIsValidAscii (\r | |
969 | IN CHAR16 Ascii\r | |
970 | )\r | |
971 | {\r | |
972 | //\r | |
973 | // valid ascii code lies in the extent of 0x20 ~ 0x7f\r | |
974 | //\r | |
975 | if ((Ascii >= 0x20) && (Ascii <= 0x7f)) {\r | |
976 | return TRUE;\r | |
977 | }\r | |
978 | \r | |
979 | return FALSE;\r | |
980 | }\r | |
981 | \r | |
982 | BOOLEAN\r | |
983 | TerminalIsValidEfiCntlChar (\r | |
984 | IN CHAR16 CharC\r | |
985 | )\r | |
986 | {\r | |
987 | //\r | |
988 | // only support four control characters.\r | |
989 | //\r | |
990 | if (CharC == CHAR_NULL ||\r | |
991 | CharC == CHAR_BACKSPACE ||\r | |
992 | CharC == CHAR_LINEFEED ||\r | |
993 | CharC == CHAR_CARRIAGE_RETURN ||\r | |
994 | CharC == CHAR_TAB\r | |
995 | ) {\r | |
996 | return TRUE;\r | |
997 | }\r | |
998 | \r | |
999 | return FALSE;\r | |
1000 | }\r |