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ee295f87 | 1 | /**@file\r |
2 | Implementation for EFI_SIMPLE_TEXT_IN_PROTOCOL protocol.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2007 Intel Corporation. <BR>\r | |
878ddf1f | 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 | |
9 | \r | |
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 | |
12 | \r | |
ee295f87 | 13 | **/\r |
878ddf1f | 14 | \r |
878ddf1f | 15 | #include "Terminal.h"\r |
16 | \r | |
878ddf1f | 17 | EFI_STATUS\r |
18 | EFIAPI\r | |
19 | TerminalConInReset (\r | |
20 | IN EFI_SIMPLE_TEXT_IN_PROTOCOL *This,\r | |
21 | IN BOOLEAN ExtendedVerification\r | |
22 | )\r | |
23 | /*++\r | |
24 | Routine Description:\r | |
25 | \r | |
26 | Implements EFI_SIMPLE_TEXT_IN_PROTOCOL.Reset().\r | |
27 | This driver only perform dependent serial device reset regardless of \r | |
28 | the value of ExtendeVerification\r | |
29 | \r | |
30 | Arguments:\r | |
31 | \r | |
32 | This - Indicates the calling context.\r | |
33 | \r | |
34 | ExtendedVerification - Skip by this driver.\r | |
35 | \r | |
36 | Returns:\r | |
37 | \r | |
38 | EFI_SUCCESS\r | |
39 | The reset operation succeeds. \r | |
40 | \r | |
41 | EFI_DEVICE_ERROR\r | |
42 | The dependent serial port reset fails.\r | |
43 | \r | |
44 | --*/\r | |
45 | {\r | |
46 | EFI_STATUS Status;\r | |
47 | TERMINAL_DEV *TerminalDevice;\r | |
48 | \r | |
49 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
50 | \r | |
51 | //\r | |
52 | // Report progress code here\r | |
53 | //\r | |
ee295f87 | 54 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
55 | EFI_PROGRESS_CODE,\r | |
56 | EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET,\r | |
57 | TerminalDevice->DevicePath\r | |
58 | );\r | |
878ddf1f | 59 | \r |
60 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
61 | \r | |
62 | //\r | |
63 | // clear all the internal buffer for keys\r | |
64 | //\r | |
65 | InitializeRawFiFo (TerminalDevice);\r | |
66 | InitializeUnicodeFiFo (TerminalDevice);\r | |
67 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
68 | \r | |
69 | if (EFI_ERROR (Status)) {\r | |
70 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
71 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
72 | EFI_PERIPHERAL_LOCAL_CONSOLE | EFI_P_EC_CONTROLLER_ERROR,\r | |
73 | TerminalDevice->DevicePath\r | |
74 | );\r | |
75 | }\r | |
76 | \r | |
77 | return Status;\r | |
78 | }\r | |
79 | \r | |
80 | EFI_STATUS\r | |
81 | EFIAPI\r | |
82 | TerminalConInReadKeyStroke (\r | |
83 | IN EFI_SIMPLE_TEXT_IN_PROTOCOL *This,\r | |
84 | OUT EFI_INPUT_KEY *Key\r | |
85 | )\r | |
86 | /*++\r | |
87 | Routine Description:\r | |
88 | \r | |
89 | Implements EFI_SIMPLE_TEXT_IN_PROTOCOL.ReadKeyStroke().\r | |
90 | \r | |
91 | Arguments:\r | |
92 | \r | |
93 | This - Indicates the calling context.\r | |
94 | \r | |
95 | Key - A pointer to a buffer that is filled in with the keystroke\r | |
96 | information for the key that was sent from terminal. \r | |
97 | \r | |
98 | Returns:\r | |
99 | \r | |
100 | EFI_SUCCESS\r | |
101 | The keystroke information is returned successfully.\r | |
102 | \r | |
103 | EFI_NOT_READY\r | |
104 | There is no keystroke data available.\r | |
105 | \r | |
106 | EFI_DEVICE_ERROR\r | |
107 | The dependent serial device encounters error.\r | |
108 | \r | |
109 | --*/\r | |
110 | {\r | |
111 | TERMINAL_DEV *TerminalDevice;\r | |
112 | EFI_STATUS Status;\r | |
113 | \r | |
114 | //\r | |
115 | // Initialize *Key to nonsense value.\r | |
116 | //\r | |
117 | Key->ScanCode = SCAN_NULL;\r | |
118 | Key->UnicodeChar = 0;\r | |
119 | //\r | |
120 | // get TERMINAL_DEV from "This" parameter.\r | |
121 | //\r | |
122 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
123 | \r | |
124 | Status = TerminalConInCheckForKey (This);\r | |
125 | if (EFI_ERROR (Status)) {\r | |
126 | return EFI_NOT_READY;\r | |
127 | }\r | |
128 | \r | |
129 | EfiKeyFiFoRemoveOneKey (TerminalDevice, Key);\r | |
130 | \r | |
131 | return EFI_SUCCESS;\r | |
132 | \r | |
133 | }\r | |
134 | \r | |
135 | VOID\r | |
136 | TranslateRawDataToEfiKey (\r | |
137 | IN TERMINAL_DEV *TerminalDevice\r | |
138 | )\r | |
139 | /*++\r | |
140 | Step1: Turn raw data into Unicode (according to different encode).\r | |
141 | Step2: Translate Unicode into key information. \r | |
142 | (according to different terminal standard).\r | |
143 | --*/\r | |
144 | {\r | |
145 | switch (TerminalDevice->TerminalType) {\r | |
146 | \r | |
147 | case PcAnsiType:\r | |
148 | case VT100Type:\r | |
149 | case VT100PlusType:\r | |
150 | AnsiRawDataToUnicode (TerminalDevice);\r | |
151 | UnicodeToEfiKey (TerminalDevice);\r | |
152 | break;\r | |
153 | \r | |
154 | case VTUTF8Type:\r | |
155 | //\r | |
156 | // Process all the raw data in the RawFIFO,\r | |
157 | // put the processed key into UnicodeFIFO.\r | |
158 | //\r | |
159 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
160 | \r | |
161 | //\r | |
162 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
163 | // then put into EfiKeyFIFO.\r | |
164 | //\r | |
165 | UnicodeToEfiKey (TerminalDevice);\r | |
166 | \r | |
167 | break;\r | |
168 | }\r | |
169 | }\r | |
170 | \r | |
171 | VOID\r | |
172 | EFIAPI\r | |
173 | TerminalConInWaitForKey (\r | |
174 | IN EFI_EVENT Event,\r | |
175 | IN VOID *Context\r | |
176 | )\r | |
177 | /*++\r | |
178 | Routine Description:\r | |
179 | \r | |
180 | Event notification function for EFI_SIMPLE_TEXT_IN_PROTOCOL.WaitForKey event\r | |
181 | Signal the event if there is key available \r | |
182 | \r | |
183 | Arguments:\r | |
184 | \r | |
185 | Event - Indicates the event that invoke this function.\r | |
186 | \r | |
187 | Context - Indicates the calling context.\r | |
188 | \r | |
189 | Returns:\r | |
190 | \r | |
191 | N/A\r | |
192 | \r | |
193 | --*/\r | |
194 | {\r | |
195 | //\r | |
196 | // Someone is waiting on the keystroke event, if there's\r | |
197 | // a key pending, signal the event\r | |
198 | //\r | |
199 | // Context is the pointer to EFI_SIMPLE_TEXT_IN_PROTOCOL\r | |
200 | //\r | |
201 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
202 | \r | |
203 | gBS->SignalEvent (Event);\r | |
204 | }\r | |
205 | }\r | |
206 | \r | |
207 | EFI_STATUS\r | |
208 | TerminalConInCheckForKey (\r | |
209 | IN EFI_SIMPLE_TEXT_IN_PROTOCOL *This\r | |
210 | )\r | |
211 | /*++\r | |
212 | Routine Description:\r | |
213 | \r | |
214 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
215 | \r | |
216 | Arguments:\r | |
217 | \r | |
218 | This - Indicates the calling context.\r | |
219 | \r | |
220 | Returns:\r | |
221 | \r | |
222 | EFI_SUCCESS\r | |
223 | There is key pending. \r | |
224 | \r | |
225 | EFI_NOT_READY\r | |
226 | There is no key pending.\r | |
227 | \r | |
228 | EFI_DEVICE_ERROR\r | |
229 | \r | |
230 | --*/\r | |
231 | {\r | |
232 | EFI_STATUS Status;\r | |
233 | TERMINAL_DEV *TerminalDevice;\r | |
234 | UINT32 Control;\r | |
235 | UINT8 Input;\r | |
236 | EFI_SERIAL_IO_MODE *Mode;\r | |
237 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
238 | UINTN SerialInTimeOut;\r | |
239 | \r | |
240 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
241 | \r | |
242 | SerialIo = TerminalDevice->SerialIo;\r | |
243 | if (SerialIo == NULL) {\r | |
244 | return EFI_DEVICE_ERROR;\r | |
245 | }\r | |
246 | //\r | |
247 | // if current timeout value for serial device is not identical with\r | |
248 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
249 | // timeout value again and set serial attribute according to this value.\r | |
250 | //\r | |
251 | Mode = SerialIo->Mode;\r | |
252 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
253 | \r | |
254 | SerialInTimeOut = 0;\r | |
255 | if (Mode->BaudRate != 0) {\r | |
256 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r | |
257 | }\r | |
258 | \r | |
259 | Status = SerialIo->SetAttributes (\r | |
260 | SerialIo,\r | |
261 | Mode->BaudRate,\r | |
262 | Mode->ReceiveFifoDepth,\r | |
263 | (UINT32) SerialInTimeOut,\r | |
1cc8ee78 | 264 | (EFI_PARITY_TYPE) (Mode->Parity),\r |
878ddf1f | 265 | (UINT8) Mode->DataBits,\r |
1cc8ee78 | 266 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r |
878ddf1f | 267 | );\r |
268 | \r | |
269 | if (EFI_ERROR (Status)) {\r | |
270 | TerminalDevice->SerialInTimeOut = 0;\r | |
271 | } else {\r | |
272 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
273 | }\r | |
274 | }\r | |
275 | //\r | |
276 | // check whether serial buffer is empty\r | |
277 | //\r | |
278 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
279 | \r | |
280 | if (Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) {\r | |
281 | //\r | |
282 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
283 | // according to different terminal type supported.\r | |
284 | //\r | |
285 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
286 | \r | |
287 | //\r | |
288 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
289 | // return directly.\r | |
290 | //\r | |
291 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
292 | return EFI_SUCCESS;\r | |
293 | } else {\r | |
294 | return EFI_NOT_READY;\r | |
295 | }\r | |
296 | }\r | |
297 | //\r | |
298 | // Fetch all the keys in the serial buffer,\r | |
299 | // and insert the byte stream into RawFIFO.\r | |
300 | //\r | |
301 | do {\r | |
302 | \r | |
303 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
304 | \r | |
305 | if (EFI_ERROR (Status)) {\r | |
306 | if (Status == EFI_DEVICE_ERROR) {\r | |
307 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
308 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
309 | EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_INPUT_ERROR,\r | |
310 | TerminalDevice->DevicePath\r | |
311 | );\r | |
312 | }\r | |
313 | break;\r | |
314 | }\r | |
315 | \r | |
316 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
317 | } while (TRUE);\r | |
318 | \r | |
319 | //\r | |
320 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
321 | // according to different terminal type supported.\r | |
322 | //\r | |
323 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
324 | \r | |
325 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
326 | return EFI_NOT_READY;\r | |
327 | }\r | |
328 | \r | |
329 | return EFI_SUCCESS;\r | |
330 | }\r | |
331 | \r | |
332 | EFI_STATUS\r | |
333 | GetOneKeyFromSerial (\r | |
334 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
335 | UINT8 *Input\r | |
336 | )\r | |
337 | /*++\r | |
338 | Get one key out of serial buffer.\r | |
339 | If serial buffer is empty, return EFI_NOT_READY;\r | |
340 | if reading serial buffer encounter error, returns EFI_DEVICE_ERROR;\r | |
341 | if reading serial buffer successfully, put the fetched key to \r | |
342 | the parameter "Input", and return EFI_SUCCESS.\r | |
343 | --*/\r | |
344 | {\r | |
345 | EFI_STATUS Status;\r | |
346 | UINTN Size;\r | |
347 | \r | |
348 | Size = 1;\r | |
349 | *Input = 0;\r | |
350 | \r | |
351 | Status = SerialIo->Read (SerialIo, &Size, Input);\r | |
352 | \r | |
353 | if (EFI_ERROR (Status)) {\r | |
354 | \r | |
355 | if (Status == EFI_TIMEOUT) {\r | |
356 | return EFI_NOT_READY;\r | |
357 | }\r | |
358 | \r | |
359 | return EFI_DEVICE_ERROR;\r | |
360 | \r | |
361 | }\r | |
362 | \r | |
363 | if (*Input == 0) {\r | |
364 | return EFI_NOT_READY;\r | |
365 | }\r | |
366 | \r | |
367 | return EFI_SUCCESS;\r | |
368 | }\r | |
369 | \r | |
370 | BOOLEAN\r | |
371 | RawFiFoInsertOneKey (\r | |
372 | TERMINAL_DEV *TerminalDevice,\r | |
373 | UINT8 Input\r | |
374 | )\r | |
375 | /*++\r | |
376 | Insert one byte raw data into the Raw Data FIFO.\r | |
377 | If FIFO is FULL before data insertion,\r | |
378 | return FALSE, and the key is lost.\r | |
379 | --*/\r | |
380 | {\r | |
381 | UINT8 Tail;\r | |
382 | \r | |
383 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
384 | \r | |
385 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
386 | //\r | |
387 | // Raw FIFO is full\r | |
388 | //\r | |
389 | return FALSE;\r | |
390 | }\r | |
391 | \r | |
392 | TerminalDevice->RawFiFo.Data[Tail] = Input;\r | |
393 | \r | |
394 | TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
395 | \r | |
396 | return TRUE;\r | |
397 | }\r | |
398 | \r | |
399 | BOOLEAN\r | |
400 | RawFiFoRemoveOneKey (\r | |
401 | TERMINAL_DEV *TerminalDevice,\r | |
402 | UINT8 *Output\r | |
403 | )\r | |
404 | /*++\r | |
405 | Remove one byte raw data out of the Raw Data FIFO.\r | |
406 | If FIFO buffer is empty before remove operation,\r | |
407 | return FALSE.\r | |
408 | --*/\r | |
409 | {\r | |
410 | UINT8 Head;\r | |
411 | \r | |
412 | Head = TerminalDevice->RawFiFo.Head;\r | |
413 | \r | |
414 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
415 | //\r | |
416 | // FIFO is empty\r | |
417 | //\r | |
418 | *Output = 0;\r | |
419 | return FALSE;\r | |
420 | }\r | |
421 | \r | |
422 | *Output = TerminalDevice->RawFiFo.Data[Head];\r | |
423 | \r | |
424 | TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
425 | \r | |
426 | return TRUE;\r | |
427 | }\r | |
428 | \r | |
429 | BOOLEAN\r | |
430 | IsRawFiFoEmpty (\r | |
431 | TERMINAL_DEV *TerminalDevice\r | |
432 | )\r | |
433 | /*++\r | |
434 | Clarify whether FIFO buffer is empty.\r | |
435 | --*/\r | |
436 | {\r | |
437 | if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) {\r | |
438 | return TRUE;\r | |
439 | } else {\r | |
440 | return FALSE;\r | |
441 | }\r | |
442 | }\r | |
443 | \r | |
444 | BOOLEAN\r | |
445 | IsRawFiFoFull (\r | |
446 | TERMINAL_DEV *TerminalDevice\r | |
447 | )\r | |
448 | /*++\r | |
449 | Clarify whether FIFO buffer is full.\r | |
450 | --*/\r | |
451 | {\r | |
452 | UINT8 Tail;\r | |
453 | UINT8 Head;\r | |
454 | \r | |
455 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
456 | Head = TerminalDevice->RawFiFo.Head;\r | |
457 | \r | |
458 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
459 | \r | |
460 | return TRUE;\r | |
461 | }\r | |
462 | \r | |
463 | return FALSE;\r | |
464 | }\r | |
465 | \r | |
466 | BOOLEAN\r | |
467 | EfiKeyFiFoInsertOneKey (\r | |
468 | TERMINAL_DEV *TerminalDevice,\r | |
469 | EFI_INPUT_KEY Key\r | |
470 | )\r | |
471 | /*++\r | |
472 | Insert one pre-fetched key into the FIFO buffer.\r | |
473 | If FIFO buffer is FULL before key insertion,\r | |
474 | return FALSE, and the key is lost.\r | |
475 | --*/\r | |
476 | {\r | |
477 | UINT8 Tail;\r | |
478 | \r | |
479 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
480 | \r | |
481 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
482 | //\r | |
483 | // Efi Key FIFO is full\r | |
484 | //\r | |
485 | return FALSE;\r | |
486 | }\r | |
487 | \r | |
488 | TerminalDevice->EfiKeyFiFo.Data[Tail] = Key;\r | |
489 | \r | |
490 | TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
491 | \r | |
492 | return TRUE;\r | |
493 | }\r | |
494 | \r | |
495 | BOOLEAN\r | |
496 | EfiKeyFiFoRemoveOneKey (\r | |
497 | TERMINAL_DEV *TerminalDevice,\r | |
498 | EFI_INPUT_KEY *Output\r | |
499 | )\r | |
500 | /*++\r | |
501 | Remove one pre-fetched key out of the FIFO buffer.\r | |
502 | If FIFO buffer is empty before remove operation,\r | |
503 | return FALSE.\r | |
504 | --*/\r | |
505 | {\r | |
506 | UINT8 Head;\r | |
507 | \r | |
508 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
509 | \r | |
510 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
511 | //\r | |
512 | // FIFO is empty\r | |
513 | //\r | |
514 | Output->ScanCode = SCAN_NULL;\r | |
515 | Output->UnicodeChar = 0;\r | |
516 | return FALSE;\r | |
517 | }\r | |
518 | \r | |
519 | *Output = TerminalDevice->EfiKeyFiFo.Data[Head];\r | |
520 | \r | |
521 | TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
522 | \r | |
523 | return TRUE;\r | |
524 | }\r | |
525 | \r | |
526 | BOOLEAN\r | |
527 | IsEfiKeyFiFoEmpty (\r | |
528 | TERMINAL_DEV *TerminalDevice\r | |
529 | )\r | |
530 | /*++\r | |
531 | Clarify whether FIFO buffer is empty.\r | |
532 | --*/\r | |
533 | {\r | |
534 | if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) {\r | |
535 | return TRUE;\r | |
536 | } else {\r | |
537 | return FALSE;\r | |
538 | }\r | |
539 | }\r | |
540 | \r | |
541 | BOOLEAN\r | |
542 | IsEfiKeyFiFoFull (\r | |
543 | TERMINAL_DEV *TerminalDevice\r | |
544 | )\r | |
545 | /*++\r | |
546 | Clarify whether FIFO buffer is full.\r | |
547 | --*/\r | |
548 | {\r | |
549 | UINT8 Tail;\r | |
550 | UINT8 Head;\r | |
551 | \r | |
552 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
553 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
554 | \r | |
555 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
556 | \r | |
557 | return TRUE;\r | |
558 | }\r | |
559 | \r | |
560 | return FALSE;\r | |
561 | }\r | |
562 | \r | |
563 | BOOLEAN\r | |
564 | UnicodeFiFoInsertOneKey (\r | |
565 | TERMINAL_DEV *TerminalDevice,\r | |
566 | UINT16 Input\r | |
567 | )\r | |
568 | /*++\r | |
569 | Insert one pre-fetched key into the FIFO buffer.\r | |
570 | If FIFO buffer is FULL before key insertion,\r | |
571 | return FALSE, and the key is lost.\r | |
572 | --*/\r | |
573 | {\r | |
574 | UINT8 Tail;\r | |
575 | \r | |
576 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
577 | \r | |
578 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
579 | //\r | |
580 | // Unicode FIFO is full\r | |
581 | //\r | |
582 | return FALSE;\r | |
583 | }\r | |
584 | \r | |
585 | TerminalDevice->UnicodeFiFo.Data[Tail] = Input;\r | |
586 | \r | |
587 | TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
588 | \r | |
589 | return TRUE;\r | |
590 | }\r | |
591 | \r | |
592 | BOOLEAN\r | |
593 | UnicodeFiFoRemoveOneKey (\r | |
594 | TERMINAL_DEV *TerminalDevice,\r | |
595 | UINT16 *Output\r | |
596 | )\r | |
597 | /*++\r | |
598 | Remove one pre-fetched key out of the FIFO buffer.\r | |
599 | If FIFO buffer is empty before remove operation,\r | |
600 | return FALSE.\r | |
601 | --*/\r | |
602 | {\r | |
603 | UINT8 Head;\r | |
604 | \r | |
605 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
606 | \r | |
607 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
608 | //\r | |
609 | // FIFO is empty\r | |
610 | //\r | |
611 | Output = NULL;\r | |
612 | return FALSE;\r | |
613 | }\r | |
614 | \r | |
615 | *Output = TerminalDevice->UnicodeFiFo.Data[Head];\r | |
616 | \r | |
617 | TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
618 | \r | |
619 | return TRUE;\r | |
620 | }\r | |
621 | \r | |
622 | BOOLEAN\r | |
623 | IsUnicodeFiFoEmpty (\r | |
624 | TERMINAL_DEV *TerminalDevice\r | |
625 | )\r | |
626 | /*++\r | |
627 | Clarify whether FIFO buffer is empty.\r | |
628 | --*/\r | |
629 | {\r | |
630 | if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) {\r | |
631 | return TRUE;\r | |
632 | } else {\r | |
633 | return FALSE;\r | |
634 | }\r | |
635 | }\r | |
636 | \r | |
637 | BOOLEAN\r | |
638 | IsUnicodeFiFoFull (\r | |
639 | TERMINAL_DEV *TerminalDevice\r | |
640 | )\r | |
641 | /*++\r | |
642 | Clarify whether FIFO buffer is full.\r | |
643 | --*/\r | |
644 | {\r | |
645 | UINT8 Tail;\r | |
646 | UINT8 Head;\r | |
647 | \r | |
648 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
649 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
650 | \r | |
651 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
652 | \r | |
653 | return TRUE;\r | |
654 | }\r | |
655 | \r | |
656 | return FALSE;\r | |
657 | }\r | |
658 | \r | |
659 | UINT8\r | |
660 | UnicodeFiFoGetKeyCount (\r | |
661 | TERMINAL_DEV *TerminalDevice\r | |
662 | )\r | |
663 | {\r | |
664 | UINT8 Tail;\r | |
665 | UINT8 Head;\r | |
666 | \r | |
667 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
668 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
669 | \r | |
670 | if (Tail >= Head) {\r | |
671 | return (UINT8) (Tail - Head);\r | |
672 | } else {\r | |
673 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
674 | }\r | |
675 | }\r | |
676 | \r | |
1cc8ee78 | 677 | STATIC\r |
878ddf1f | 678 | VOID\r |
679 | UnicodeToEfiKeyFlushState (\r | |
680 | IN TERMINAL_DEV *TerminalDevice\r | |
681 | )\r | |
682 | {\r | |
683 | EFI_INPUT_KEY Key;\r | |
684 | \r | |
685 | if (TerminalDevice->InputState & INPUT_STATE_ESC) {\r | |
686 | Key.ScanCode = SCAN_ESC;\r | |
687 | Key.UnicodeChar = 0;\r | |
688 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
689 | }\r | |
690 | \r | |
691 | if (TerminalDevice->InputState & INPUT_STATE_CSI) {\r | |
692 | Key.ScanCode = SCAN_NULL;\r | |
693 | Key.UnicodeChar = CSI;\r | |
694 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
695 | }\r | |
696 | \r | |
697 | if (TerminalDevice->InputState & INPUT_STATE_LEFTOPENBRACKET) {\r | |
698 | Key.ScanCode = SCAN_NULL;\r | |
699 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
700 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
701 | }\r | |
702 | \r | |
703 | if (TerminalDevice->InputState & INPUT_STATE_O) {\r | |
704 | Key.ScanCode = SCAN_NULL;\r | |
705 | Key.UnicodeChar = 'O';\r | |
706 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
707 | }\r | |
708 | \r | |
709 | if (TerminalDevice->InputState & INPUT_STATE_2) {\r | |
710 | Key.ScanCode = SCAN_NULL;\r | |
711 | Key.UnicodeChar = '2';\r | |
712 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
713 | }\r | |
714 | \r | |
715 | gBS->SetTimer (\r | |
716 | TerminalDevice->TwoSecondTimeOut,\r | |
717 | TimerCancel,\r | |
718 | 0\r | |
719 | );\r | |
720 | \r | |
721 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
722 | }\r | |
723 | \r | |
724 | VOID\r | |
725 | UnicodeToEfiKey (\r | |
726 | IN TERMINAL_DEV *TerminalDevice\r | |
727 | )\r | |
728 | /*++\r | |
729 | Routine Description:\r | |
730 | \r | |
731 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
732 | can be read through the Simple Input Protocol. The table below shows the keyboard\r | |
733 | input mappings that this function supports. If the ESC sequence listed in one of the \r | |
734 | columns is presented, then it is translated into the coorespoding EFI Scan Code. If a\r | |
735 | matching sequence is not found, then the raw key strokes are converted into EFI Keys.\r | |
736 | \r | |
737 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not \r | |
738 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are \r | |
739 | converted into EFI Keys.\r | |
740 | \r | |
741 | There is one special input sequence that will force the system to reset. \r | |
742 | This is ESC R ESC r ESC R.\r | |
743 | \r | |
744 | Arguments:\r | |
745 | \r | |
746 | TerminaDevice : The terminal device to use to translate raw input into EFI Keys\r | |
747 | \r | |
748 | Returns:\r | |
749 | \r | |
750 | None\r | |
751 | \r | |
752 | Symbols used in table below\r | |
753 | ===========================\r | |
754 | ESC = 0x1B \r | |
755 | CSI = 0x9B \r | |
756 | DEL = 0x7f \r | |
757 | ^ = CTRL\r | |
758 | \r | |
759 | +=========+======+===========+==========+==========+\r | |
760 | | | EFI | EFI 1.10 | | |\r | |
761 | | | Scan | | VT100+ | |\r | |
762 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
763 | +=========+======+===========+==========+==========+\r | |
764 | | NULL | 0x00 | | | |\r | |
765 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
766 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
767 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C | \r | |
768 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
769 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
770 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
771 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
772 | | | | ESC [ L | | ESC [ L |\r | |
773 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
774 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
775 | | | | | | ESC [ ? |\r | |
776 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
777 | | | | | | ESC [ / |\r | |
778 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
779 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
780 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
781 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
782 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
783 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
784 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
785 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
786 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
787 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
788 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
789 | +=========+======+===========+==========+=========+\r | |
790 | \r | |
791 | Special Mappings\r | |
792 | ================\r | |
793 | ESC R ESC r ESC R = Reset System\r | |
794 | \r | |
795 | --*/\r | |
796 | {\r | |
797 | EFI_STATUS Status;\r | |
798 | EFI_STATUS TimerStatus;\r | |
799 | UINT16 UnicodeChar;\r | |
800 | EFI_INPUT_KEY Key;\r | |
801 | BOOLEAN SetDefaultResetState;\r | |
802 | \r | |
803 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
804 | \r | |
805 | if (!EFI_ERROR (TimerStatus)) {\r | |
806 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
807 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
808 | }\r | |
809 | \r | |
810 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
811 | \r | |
812 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r | |
813 | //\r | |
814 | // Check to see if the 2 second timer has expired\r | |
815 | //\r | |
816 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
817 | if (!EFI_ERROR (TimerStatus)) {\r | |
818 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
819 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
820 | }\r | |
821 | }\r | |
822 | \r | |
823 | //\r | |
824 | // Fetch one Unicode character from the Unicode FIFO\r | |
825 | //\r | |
826 | UnicodeFiFoRemoveOneKey (TerminalDevice,&UnicodeChar);\r | |
827 | \r | |
828 | SetDefaultResetState = TRUE;\r | |
829 | \r | |
830 | switch (TerminalDevice->InputState) {\r | |
831 | case INPUT_STATE_DEFAULT:\r | |
832 | \r | |
833 | break;\r | |
834 | \r | |
835 | case INPUT_STATE_ESC:\r | |
836 | \r | |
837 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
838 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
839 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
840 | continue;\r | |
841 | }\r | |
842 | \r | |
843 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100Type) {\r | |
844 | TerminalDevice->InputState |= INPUT_STATE_O;\r | |
845 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
846 | continue;\r | |
847 | }\r | |
848 | \r | |
849 | Key.ScanCode = SCAN_NULL;\r | |
850 | \r | |
851 | if (TerminalDevice->TerminalType == VT100PlusType || \r | |
852 | TerminalDevice->TerminalType == VTUTF8Type) {\r | |
853 | switch (UnicodeChar) {\r | |
854 | case '1': \r | |
855 | Key.ScanCode = SCAN_F1; \r | |
856 | break;\r | |
857 | case '2': \r | |
858 | Key.ScanCode = SCAN_F2; \r | |
859 | break;\r | |
860 | case '3': \r | |
861 | Key.ScanCode = SCAN_F3; \r | |
862 | break;\r | |
863 | case '4': \r | |
864 | Key.ScanCode = SCAN_F4; \r | |
865 | break;\r | |
866 | case '5': \r | |
867 | Key.ScanCode = SCAN_F5; \r | |
868 | break;\r | |
869 | case '6': \r | |
870 | Key.ScanCode = SCAN_F6; \r | |
871 | break;\r | |
872 | case '7': \r | |
873 | Key.ScanCode = SCAN_F7; \r | |
874 | break;\r | |
875 | case '8': \r | |
876 | Key.ScanCode = SCAN_F8; \r | |
877 | break;\r | |
878 | case '9': \r | |
879 | Key.ScanCode = SCAN_F9; \r | |
880 | break;\r | |
881 | case '0': \r | |
882 | Key.ScanCode = SCAN_F10; \r | |
883 | break;\r | |
884 | case 'h': \r | |
885 | Key.ScanCode = SCAN_HOME; \r | |
886 | break;\r | |
887 | case 'k': \r | |
888 | Key.ScanCode = SCAN_END; \r | |
889 | break;\r | |
890 | case '+': \r | |
891 | Key.ScanCode = SCAN_INSERT; \r | |
892 | break;\r | |
893 | case '-': \r | |
894 | Key.ScanCode = SCAN_DELETE; \r | |
895 | break;\r | |
896 | case '/': \r | |
897 | Key.ScanCode = SCAN_PAGE_DOWN; \r | |
898 | break;\r | |
899 | case '?': \r | |
900 | Key.ScanCode = SCAN_PAGE_UP; \r | |
901 | break; \r | |
902 | default : \r | |
903 | break;\r | |
904 | }\r | |
905 | }\r | |
906 | \r | |
907 | switch (UnicodeChar) {\r | |
908 | case 'R': \r | |
909 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r | |
910 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
911 | SetDefaultResetState = FALSE;\r | |
912 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
913 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
914 | }\r | |
915 | Key.ScanCode = SCAN_NULL;\r | |
916 | break;\r | |
917 | case 'r': \r | |
918 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r | |
919 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
920 | SetDefaultResetState = FALSE;\r | |
921 | }\r | |
922 | Key.ScanCode = SCAN_NULL;\r | |
923 | break;\r | |
924 | default : \r | |
925 | break;\r | |
926 | }\r | |
927 | \r | |
928 | if (SetDefaultResetState) {\r | |
929 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
930 | }\r | |
931 | \r | |
932 | if (Key.ScanCode != SCAN_NULL) {\r | |
933 | Key.UnicodeChar = 0;\r | |
934 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
935 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
936 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
937 | continue;\r | |
938 | }\r | |
939 | \r | |
940 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
941 | \r | |
942 | break;\r | |
943 | \r | |
944 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
945 | \r | |
946 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
947 | \r | |
948 | Key.ScanCode = SCAN_NULL;\r | |
949 | \r | |
950 | if (TerminalDevice->TerminalType == VT100Type) {\r | |
951 | switch (UnicodeChar) {\r | |
952 | case 'P': \r | |
953 | Key.ScanCode = SCAN_F1; \r | |
954 | break;\r | |
955 | case 'Q': \r | |
956 | Key.ScanCode = SCAN_F2; \r | |
957 | break;\r | |
958 | case 'w': \r | |
959 | Key.ScanCode = SCAN_F3; \r | |
960 | break;\r | |
961 | case 'x': \r | |
962 | Key.ScanCode = SCAN_F4; \r | |
963 | break;\r | |
964 | case 't': \r | |
965 | Key.ScanCode = SCAN_F5; \r | |
966 | break;\r | |
967 | case 'u': \r | |
968 | Key.ScanCode = SCAN_F6; \r | |
969 | break;\r | |
970 | case 'q': \r | |
971 | Key.ScanCode = SCAN_F7; \r | |
972 | break;\r | |
973 | case 'r': \r | |
974 | Key.ScanCode = SCAN_F8; \r | |
975 | break;\r | |
976 | case 'p': \r | |
977 | Key.ScanCode = SCAN_F9; \r | |
978 | break;\r | |
979 | case 'M': \r | |
980 | Key.ScanCode = SCAN_F10; \r | |
981 | break;\r | |
982 | default : \r | |
983 | break;\r | |
984 | }\r | |
985 | }\r | |
986 | \r | |
987 | if (Key.ScanCode != SCAN_NULL) {\r | |
988 | Key.UnicodeChar = 0;\r | |
989 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
990 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
991 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
992 | continue;\r | |
993 | }\r | |
994 | \r | |
995 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
996 | \r | |
997 | break;\r | |
998 | \r | |
999 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
1000 | \r | |
1001 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1002 | \r | |
1003 | Key.ScanCode = SCAN_NULL;\r | |
1004 | \r | |
1005 | if (TerminalDevice->TerminalType == PcAnsiType ||\r | |
1006 | TerminalDevice->TerminalType == VT100Type ||\r | |
1007 | TerminalDevice->TerminalType == VT100PlusType || \r | |
1008 | TerminalDevice->TerminalType == VTUTF8Type) {\r | |
1009 | switch (UnicodeChar) {\r | |
1010 | case 'A': \r | |
1011 | Key.ScanCode = SCAN_UP; \r | |
1012 | break;\r | |
1013 | case 'B': \r | |
1014 | Key.ScanCode = SCAN_DOWN; \r | |
1015 | break;\r | |
1016 | case 'C': \r | |
1017 | Key.ScanCode = SCAN_RIGHT; \r | |
1018 | break;\r | |
1019 | case 'D': \r | |
1020 | Key.ScanCode = SCAN_LEFT; \r | |
1021 | break;\r | |
1022 | case 'H': \r | |
1023 | if (TerminalDevice->TerminalType == PcAnsiType ||\r | |
1024 | TerminalDevice->TerminalType == VT100Type) {\r | |
1025 | Key.ScanCode = SCAN_HOME; \r | |
1026 | }\r | |
1027 | break;\r | |
1028 | case 'F': \r | |
1029 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1030 | Key.ScanCode = SCAN_END;\r | |
1031 | }\r | |
1032 | break;\r | |
1033 | case 'K': \r | |
1034 | if (TerminalDevice->TerminalType == VT100Type) {\r | |
1035 | Key.ScanCode = SCAN_END; \r | |
1036 | }\r | |
1037 | break;\r | |
1038 | case 'L': \r | |
1039 | case '@': \r | |
1040 | if (TerminalDevice->TerminalType == PcAnsiType ||\r | |
1041 | TerminalDevice->TerminalType == VT100Type) {\r | |
1042 | Key.ScanCode = SCAN_INSERT; \r | |
1043 | }\r | |
1044 | break;\r | |
1045 | case 'X': \r | |
1046 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1047 | Key.ScanCode = SCAN_DELETE;\r | |
1048 | }\r | |
1049 | break;\r | |
1050 | case 'P': \r | |
1051 | if (TerminalDevice->TerminalType == VT100Type) {\r | |
1052 | Key.ScanCode = SCAN_DELETE; \r | |
1053 | } else if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1054 | Key.ScanCode = SCAN_F4;\r | |
1055 | }\r | |
1056 | break;\r | |
1057 | case 'I': \r | |
1058 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1059 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1060 | }\r | |
1061 | break; \r | |
1062 | case 'V': \r | |
1063 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1064 | Key.ScanCode = SCAN_F10;\r | |
1065 | } \r | |
1066 | case '?': \r | |
1067 | if (TerminalDevice->TerminalType == VT100Type) {\r | |
1068 | Key.ScanCode = SCAN_PAGE_UP; \r | |
1069 | }\r | |
1070 | break;\r | |
1071 | case 'G': \r | |
1072 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1073 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1074 | }\r | |
1075 | break; \r | |
1076 | case 'U': \r | |
1077 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1078 | Key.ScanCode = SCAN_F9;\r | |
1079 | }\r | |
1080 | case '/': \r | |
1081 | if (TerminalDevice->TerminalType == VT100Type) {\r | |
1082 | Key.ScanCode = SCAN_PAGE_DOWN; \r | |
1083 | }\r | |
1084 | break;\r | |
1085 | case 'M': \r | |
1086 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1087 | Key.ScanCode = SCAN_F1;\r | |
1088 | }\r | |
1089 | break; \r | |
1090 | case 'N': \r | |
1091 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1092 | Key.ScanCode = SCAN_F2;\r | |
1093 | }\r | |
1094 | break; \r | |
1095 | case 'O': \r | |
1096 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1097 | Key.ScanCode = SCAN_F3;\r | |
1098 | }\r | |
1099 | break; \r | |
1100 | case 'Q': \r | |
1101 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1102 | Key.ScanCode = SCAN_F5;\r | |
1103 | }\r | |
1104 | break; \r | |
1105 | case 'R': \r | |
1106 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1107 | Key.ScanCode = SCAN_F6;\r | |
1108 | }\r | |
1109 | break; \r | |
1110 | case 'S': \r | |
1111 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1112 | Key.ScanCode = SCAN_F7;\r | |
1113 | }\r | |
1114 | break; \r | |
1115 | case 'T': \r | |
1116 | if (TerminalDevice->TerminalType == PcAnsiType) {\r | |
1117 | Key.ScanCode = SCAN_F8;\r | |
1118 | }\r | |
1119 | break; \r | |
1120 | default : \r | |
1121 | break;\r | |
1122 | }\r | |
1123 | }\r | |
1124 | \r | |
1125 | if (Key.ScanCode != SCAN_NULL) {\r | |
1126 | Key.UnicodeChar = 0;\r | |
1127 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1128 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1129 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1130 | continue;\r | |
1131 | }\r | |
1132 | \r | |
1133 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1134 | \r | |
1135 | break;\r | |
1136 | \r | |
1137 | \r | |
1138 | default:\r | |
1139 | //\r | |
1140 | // Invalid state. This should never happen.\r | |
1141 | //\r | |
1142 | ASSERT (FALSE);\r | |
1143 | \r | |
1144 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1145 | \r | |
1146 | break;\r | |
1147 | }\r | |
1148 | \r | |
1149 | if (UnicodeChar == ESC) {\r | |
1150 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1151 | }\r | |
1152 | \r | |
1153 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r | |
1154 | Status = gBS->SetTimer(\r | |
1155 | TerminalDevice->TwoSecondTimeOut,\r | |
1156 | TimerRelative,\r | |
1157 | (UINT64)20000000\r | |
1158 | );\r | |
1cc8ee78 | 1159 | ASSERT_EFI_ERROR (Status);\r |
878ddf1f | 1160 | continue;\r |
1161 | }\r | |
1162 | \r | |
1163 | if (SetDefaultResetState) {\r | |
1164 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1165 | }\r | |
1166 | \r | |
1167 | if (UnicodeChar == DEL) {\r | |
1168 | Key.ScanCode = SCAN_DELETE;\r | |
1169 | Key.UnicodeChar = 0;\r | |
1170 | } else {\r | |
1171 | Key.ScanCode = SCAN_NULL;\r | |
1172 | Key.UnicodeChar = UnicodeChar;\r | |
1173 | }\r | |
1174 | \r | |
1175 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1176 | }\r | |
1177 | }\r |