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4bc6ad39 RN |
1 | /** @file\r |
2 | Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.\r | |
3 | \r | |
35f910f0 | 4 | (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>\r |
8a53ea9d | 5 | Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r |
1df81f6d | 6 | Copyright (C) 2016 Silicon Graphics, Inc. All rights reserved.<BR>\r |
9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
4bc6ad39 RN |
8 | \r |
9 | **/\r | |
10 | \r | |
11 | #include "Terminal.h"\r | |
12 | \r | |
4bc6ad39 RN |
13 | /**\r |
14 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
15 | be used to test for existence of a keystroke via WaitForEvent () call.\r | |
16 | \r | |
17 | @param TerminalDevice Terminal driver private structure\r | |
18 | @param KeyData A pointer to a buffer that is filled in with the\r | |
19 | keystroke state data for the key that was\r | |
20 | pressed.\r | |
21 | \r | |
22 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
23 | @retval EFI_NOT_READY There was no keystroke data available.\r | |
24 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
25 | \r | |
26 | **/\r | |
27 | EFI_STATUS\r | |
28 | ReadKeyStrokeWorker (\r | |
1436aea4 MK |
29 | IN TERMINAL_DEV *TerminalDevice,\r |
30 | OUT EFI_KEY_DATA *KeyData\r | |
4bc6ad39 RN |
31 | )\r |
32 | {\r | |
33 | if (KeyData == NULL) {\r | |
34 | return EFI_INVALID_PARAMETER;\r | |
35 | }\r | |
36 | \r | |
4bc6ad39 RN |
37 | KeyData->KeyState.KeyShiftState = 0;\r |
38 | KeyData->KeyState.KeyToggleState = 0;\r | |
39 | \r | |
66f23294 RN |
40 | if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {\r |
41 | return EFI_NOT_READY;\r | |
42 | }\r | |
4bc6ad39 RN |
43 | \r |
44 | return EFI_SUCCESS;\r | |
4bc6ad39 RN |
45 | }\r |
46 | \r | |
47 | /**\r | |
48 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r | |
49 | This driver only perform dependent serial device reset regardless of\r | |
50 | the value of ExtendeVerification\r | |
51 | \r | |
52 | @param This Indicates the calling context.\r | |
53 | @param ExtendedVerification Skip by this driver.\r | |
54 | \r | |
55 | @retval EFI_SUCCESS The reset operation succeeds.\r | |
56 | @retval EFI_DEVICE_ERROR The dependent serial port reset fails.\r | |
57 | \r | |
58 | **/\r | |
59 | EFI_STATUS\r | |
60 | EFIAPI\r | |
61 | TerminalConInReset (\r | |
62 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
63 | IN BOOLEAN ExtendedVerification\r | |
64 | )\r | |
65 | {\r | |
66 | EFI_STATUS Status;\r | |
67 | TERMINAL_DEV *TerminalDevice;\r | |
68 | \r | |
69 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
70 | \r | |
71 | //\r | |
72 | // Report progress code here\r | |
73 | //\r | |
74 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
75 | EFI_PROGRESS_CODE,\r | |
76 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET),\r | |
77 | TerminalDevice->DevicePath\r | |
78 | );\r | |
79 | \r | |
80 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
81 | \r | |
82 | //\r | |
83 | // Make all the internal buffer empty for keys\r | |
84 | //\r | |
1436aea4 MK |
85 | TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail;\r |
86 | TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail;\r | |
87 | TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail;\r | |
47b612db | 88 | TerminalDevice->EfiKeyFiFoForNotify->Head = TerminalDevice->EfiKeyFiFoForNotify->Tail;\r |
4bc6ad39 RN |
89 | \r |
90 | if (EFI_ERROR (Status)) {\r | |
91 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
92 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
93 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR),\r | |
94 | TerminalDevice->DevicePath\r | |
95 | );\r | |
96 | }\r | |
97 | \r | |
98 | return Status;\r | |
99 | }\r | |
100 | \r | |
101 | /**\r | |
102 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
103 | \r | |
104 | @param This Indicates the calling context.\r | |
105 | @param Key A pointer to a buffer that is filled in with the\r | |
106 | keystroke information for the key that was sent\r | |
107 | from terminal.\r | |
108 | \r | |
109 | @retval EFI_SUCCESS The keystroke information is returned successfully.\r | |
110 | @retval EFI_NOT_READY There is no keystroke data available.\r | |
111 | @retval EFI_DEVICE_ERROR The dependent serial device encounters error.\r | |
112 | \r | |
113 | **/\r | |
114 | EFI_STATUS\r | |
115 | EFIAPI\r | |
116 | TerminalConInReadKeyStroke (\r | |
117 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
118 | OUT EFI_INPUT_KEY *Key\r | |
119 | )\r | |
120 | {\r | |
121 | TERMINAL_DEV *TerminalDevice;\r | |
122 | EFI_STATUS Status;\r | |
123 | EFI_KEY_DATA KeyData;\r | |
124 | \r | |
125 | //\r | |
126 | // get TERMINAL_DEV from "This" parameter.\r | |
127 | //\r | |
1436aea4 | 128 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r |
4bc6ad39 RN |
129 | \r |
130 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r | |
131 | if (EFI_ERROR (Status)) {\r | |
132 | return Status;\r | |
133 | }\r | |
134 | \r | |
135 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
136 | \r | |
137 | return EFI_SUCCESS;\r | |
4bc6ad39 RN |
138 | }\r |
139 | \r | |
140 | /**\r | |
141 | Check if the key already has been registered.\r | |
142 | \r | |
143 | If both RegsiteredData and InputData is NULL, then ASSERT().\r | |
144 | \r | |
145 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
146 | keystroke state data for the key that was\r | |
147 | registered.\r | |
148 | @param InputData A pointer to a buffer that is filled in with the\r | |
149 | keystroke state data for the key that was\r | |
150 | pressed.\r | |
151 | \r | |
152 | @retval TRUE Key be pressed matches a registered key.\r | |
f07ccd05 | 153 | @retval FALSE Match failed.\r |
4bc6ad39 RN |
154 | \r |
155 | **/\r | |
156 | BOOLEAN\r | |
157 | IsKeyRegistered (\r | |
158 | IN EFI_KEY_DATA *RegsiteredData,\r | |
159 | IN EFI_KEY_DATA *InputData\r | |
160 | )\r | |
161 | {\r | |
162 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
163 | \r | |
164 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r | |
1436aea4 MK |
165 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar))\r |
166 | {\r | |
4bc6ad39 RN |
167 | return FALSE;\r |
168 | }\r | |
169 | \r | |
170 | return TRUE;\r | |
171 | }\r | |
172 | \r | |
4bc6ad39 RN |
173 | /**\r |
174 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
175 | Signal the event if there is key available\r | |
176 | \r | |
177 | @param Event Indicates the event that invoke this function.\r | |
178 | @param Context Indicates the calling context.\r | |
179 | \r | |
180 | **/\r | |
181 | VOID\r | |
182 | EFIAPI\r | |
183 | TerminalConInWaitForKeyEx (\r | |
1436aea4 MK |
184 | IN EFI_EVENT Event,\r |
185 | IN VOID *Context\r | |
4bc6ad39 RN |
186 | )\r |
187 | {\r | |
188 | TerminalConInWaitForKey (Event, Context);\r | |
189 | }\r | |
190 | \r | |
191 | //\r | |
192 | // Simple Text Input Ex protocol functions\r | |
193 | //\r | |
194 | \r | |
195 | /**\r | |
196 | Reset the input device and optionally run diagnostics\r | |
197 | \r | |
198 | @param This Protocol instance pointer.\r | |
199 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
200 | \r | |
201 | @retval EFI_SUCCESS The device was reset.\r | |
202 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
203 | not be reset.\r | |
204 | \r | |
205 | **/\r | |
206 | EFI_STATUS\r | |
207 | EFIAPI\r | |
208 | TerminalConInResetEx (\r | |
209 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
210 | IN BOOLEAN ExtendedVerification\r | |
211 | )\r | |
212 | {\r | |
1436aea4 MK |
213 | EFI_STATUS Status;\r |
214 | TERMINAL_DEV *TerminalDevice;\r | |
4bc6ad39 RN |
215 | \r |
216 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
217 | \r | |
218 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
219 | if (EFI_ERROR (Status)) {\r | |
220 | return EFI_DEVICE_ERROR;\r | |
221 | }\r | |
222 | \r | |
223 | return EFI_SUCCESS;\r | |
4bc6ad39 RN |
224 | }\r |
225 | \r | |
4bc6ad39 RN |
226 | /**\r |
227 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
228 | be used to test for existence of a keystroke via WaitForEvent () call.\r | |
229 | \r | |
230 | @param This Protocol instance pointer.\r | |
231 | @param KeyData A pointer to a buffer that is filled in with the\r | |
232 | keystroke state data for the key that was\r | |
233 | pressed.\r | |
234 | \r | |
235 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
236 | @retval EFI_NOT_READY There was no keystroke data available.\r | |
237 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
238 | to hardware errors.\r | |
239 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
240 | \r | |
241 | **/\r | |
242 | EFI_STATUS\r | |
243 | EFIAPI\r | |
244 | TerminalConInReadKeyStrokeEx (\r | |
1436aea4 MK |
245 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r |
246 | OUT EFI_KEY_DATA *KeyData\r | |
4bc6ad39 RN |
247 | )\r |
248 | {\r | |
1436aea4 | 249 | TERMINAL_DEV *TerminalDevice;\r |
4bc6ad39 RN |
250 | \r |
251 | if (KeyData == NULL) {\r | |
252 | return EFI_INVALID_PARAMETER;\r | |
253 | }\r | |
254 | \r | |
255 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
256 | \r | |
257 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
4bc6ad39 RN |
258 | }\r |
259 | \r | |
4bc6ad39 RN |
260 | /**\r |
261 | Set certain state for the input device.\r | |
262 | \r | |
263 | @param This Protocol instance pointer.\r | |
264 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
265 | state for the input device.\r | |
266 | \r | |
267 | @retval EFI_SUCCESS The device state was set successfully.\r | |
268 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
269 | could not have the setting adjusted.\r | |
270 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
271 | state.\r | |
272 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
273 | \r | |
274 | **/\r | |
275 | EFI_STATUS\r | |
276 | EFIAPI\r | |
277 | TerminalConInSetState (\r | |
278 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
279 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
280 | )\r | |
281 | {\r | |
282 | if (KeyToggleState == NULL) {\r | |
283 | return EFI_INVALID_PARAMETER;\r | |
284 | }\r | |
285 | \r | |
b95a25d1 ED |
286 | if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) {\r |
287 | return EFI_UNSUPPORTED;\r | |
288 | }\r | |
289 | \r | |
4bc6ad39 RN |
290 | return EFI_SUCCESS;\r |
291 | }\r | |
292 | \r | |
4bc6ad39 RN |
293 | /**\r |
294 | Register a notification function for a particular keystroke for the input device.\r | |
295 | \r | |
296 | @param This Protocol instance pointer.\r | |
3652f990 DB |
297 | @param KeyData A pointer to a buffer that is filled in with\r |
298 | the keystroke information for the key that was\r | |
299 | pressed. If KeyData.Key, KeyData.KeyState.KeyToggleState\r | |
300 | and KeyData.KeyState.KeyShiftState are 0, then any incomplete\r | |
301 | keystroke will trigger a notification of the KeyNotificationFunction.\r | |
4bc6ad39 | 302 | @param KeyNotificationFunction Points to the function to be called when the key\r |
3652f990 DB |
303 | sequence is typed specified by KeyData. This notification function\r |
304 | should be called at <=TPL_CALLBACK.\r | |
4bc6ad39 RN |
305 | @param NotifyHandle Points to the unique handle assigned to the\r |
306 | registered notification.\r | |
307 | \r | |
308 | @retval EFI_SUCCESS The notification function was registered\r | |
309 | successfully.\r | |
310 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data\r | |
311 | structures.\r | |
312 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
313 | \r | |
314 | **/\r | |
315 | EFI_STATUS\r | |
316 | EFIAPI\r | |
317 | TerminalConInRegisterKeyNotify (\r | |
318 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
319 | IN EFI_KEY_DATA *KeyData,\r | |
320 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
402e4a9d | 321 | OUT VOID **NotifyHandle\r |
4bc6ad39 RN |
322 | )\r |
323 | {\r | |
1436aea4 MK |
324 | TERMINAL_DEV *TerminalDevice;\r |
325 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
326 | LIST_ENTRY *Link;\r | |
327 | LIST_ENTRY *NotifyList;\r | |
328 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
4bc6ad39 | 329 | \r |
1436aea4 | 330 | if ((KeyData == NULL) || (NotifyHandle == NULL) || (KeyNotificationFunction == NULL)) {\r |
4bc6ad39 RN |
331 | return EFI_INVALID_PARAMETER;\r |
332 | }\r | |
333 | \r | |
334 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
335 | \r | |
336 | //\r | |
337 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
338 | //\r | |
339 | NotifyList = &TerminalDevice->NotifyList;\r | |
1436aea4 | 340 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList, Link); Link = GetNextNode (NotifyList, Link)) {\r |
4bc6ad39 RN |
341 | CurrentNotify = CR (\r |
342 | Link,\r | |
343 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
344 | NotifyEntry,\r | |
345 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
346 | );\r | |
347 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r | |
348 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r | |
402e4a9d | 349 | *NotifyHandle = CurrentNotify;\r |
4bc6ad39 RN |
350 | return EFI_SUCCESS;\r |
351 | }\r | |
352 | }\r | |
353 | }\r | |
354 | \r | |
355 | //\r | |
356 | // Allocate resource to save the notification function\r | |
357 | //\r | |
1436aea4 | 358 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *)AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
4bc6ad39 RN |
359 | if (NewNotify == NULL) {\r |
360 | return EFI_OUT_OF_RESOURCES;\r | |
361 | }\r | |
362 | \r | |
363 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r | |
364 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r | |
b8a605d0 | 365 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (EFI_KEY_DATA));\r |
4bc6ad39 RN |
366 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r |
367 | \r | |
1436aea4 | 368 | *NotifyHandle = NewNotify;\r |
4bc6ad39 RN |
369 | \r |
370 | return EFI_SUCCESS;\r | |
371 | }\r | |
372 | \r | |
4bc6ad39 RN |
373 | /**\r |
374 | Remove a registered notification function from a particular keystroke.\r | |
375 | \r | |
376 | @param This Protocol instance pointer.\r | |
377 | @param NotificationHandle The handle of the notification function being\r | |
378 | unregistered.\r | |
379 | \r | |
380 | @retval EFI_SUCCESS The notification function was unregistered\r | |
381 | successfully.\r | |
382 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
383 | \r | |
384 | **/\r | |
385 | EFI_STATUS\r | |
386 | EFIAPI\r | |
387 | TerminalConInUnregisterKeyNotify (\r | |
388 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
402e4a9d | 389 | IN VOID *NotificationHandle\r |
4bc6ad39 RN |
390 | )\r |
391 | {\r | |
1436aea4 MK |
392 | TERMINAL_DEV *TerminalDevice;\r |
393 | LIST_ENTRY *Link;\r | |
394 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
395 | LIST_ENTRY *NotifyList;\r | |
4bc6ad39 RN |
396 | \r |
397 | if (NotificationHandle == NULL) {\r | |
398 | return EFI_INVALID_PARAMETER;\r | |
399 | }\r | |
400 | \r | |
4bc6ad39 RN |
401 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r |
402 | \r | |
403 | NotifyList = &TerminalDevice->NotifyList;\r | |
1436aea4 | 404 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList, Link); Link = GetNextNode (NotifyList, Link)) {\r |
4bc6ad39 RN |
405 | CurrentNotify = CR (\r |
406 | Link,\r | |
407 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
408 | NotifyEntry,\r | |
409 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
410 | );\r | |
402e4a9d | 411 | if (CurrentNotify == NotificationHandle) {\r |
4bc6ad39 RN |
412 | //\r |
413 | // Remove the notification function from NotifyList and free resources\r | |
414 | //\r | |
415 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r | |
416 | \r | |
417 | gBS->FreePool (CurrentNotify);\r | |
418 | return EFI_SUCCESS;\r | |
419 | }\r | |
420 | }\r | |
421 | \r | |
422 | //\r | |
423 | // Can not find the matching entry in database.\r | |
424 | //\r | |
425 | return EFI_INVALID_PARAMETER;\r | |
426 | }\r | |
427 | \r | |
428 | /**\r | |
429 | Translate raw data into Unicode (according to different encode), and\r | |
430 | translate Unicode into key information. (according to different standard).\r | |
431 | \r | |
432 | @param TerminalDevice Terminal driver private structure.\r | |
433 | \r | |
434 | **/\r | |
435 | VOID\r | |
436 | TranslateRawDataToEfiKey (\r | |
1436aea4 | 437 | IN TERMINAL_DEV *TerminalDevice\r |
4bc6ad39 RN |
438 | )\r |
439 | {\r | |
440 | switch (TerminalDevice->TerminalType) {\r | |
1436aea4 MK |
441 | case TerminalTypePcAnsi:\r |
442 | case TerminalTypeVt100:\r | |
443 | case TerminalTypeVt100Plus:\r | |
444 | case TerminalTypeTtyTerm:\r | |
445 | case TerminalTypeLinux:\r | |
446 | case TerminalTypeXtermR6:\r | |
447 | case TerminalTypeVt400:\r | |
448 | case TerminalTypeSCO:\r | |
449 | AnsiRawDataToUnicode (TerminalDevice);\r | |
450 | UnicodeToEfiKey (TerminalDevice);\r | |
451 | break;\r | |
4bc6ad39 | 452 | \r |
1436aea4 MK |
453 | case TerminalTypeVtUtf8:\r |
454 | //\r | |
455 | // Process all the raw data in the RawFIFO,\r | |
456 | // put the processed key into UnicodeFIFO.\r | |
457 | //\r | |
458 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
4bc6ad39 | 459 | \r |
1436aea4 MK |
460 | //\r |
461 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
462 | // then put into EfiKeyFIFO.\r | |
463 | //\r | |
464 | UnicodeToEfiKey (TerminalDevice);\r | |
4bc6ad39 | 465 | \r |
1436aea4 | 466 | break;\r |
4bc6ad39 RN |
467 | }\r |
468 | }\r | |
469 | \r | |
470 | /**\r | |
471 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
472 | Signal the event if there is key available\r | |
473 | \r | |
474 | @param Event Indicates the event that invoke this function.\r | |
475 | @param Context Indicates the calling context.\r | |
476 | \r | |
477 | **/\r | |
478 | VOID\r | |
479 | EFIAPI\r | |
480 | TerminalConInWaitForKey (\r | |
1436aea4 MK |
481 | IN EFI_EVENT Event,\r |
482 | IN VOID *Context\r | |
4bc6ad39 RN |
483 | )\r |
484 | {\r | |
485 | //\r | |
486 | // Someone is waiting on the keystroke event, if there's\r | |
487 | // a key pending, signal the event\r | |
488 | //\r | |
1436aea4 | 489 | if (!IsEfiKeyFiFoEmpty ((TERMINAL_DEV *)Context)) {\r |
4bc6ad39 RN |
490 | gBS->SignalEvent (Event);\r |
491 | }\r | |
492 | }\r | |
493 | \r | |
494 | /**\r | |
495 | Timer handler to poll the key from serial.\r | |
496 | \r | |
497 | @param Event Indicates the event that invoke this function.\r | |
498 | @param Context Indicates the calling context.\r | |
499 | **/\r | |
500 | VOID\r | |
501 | EFIAPI\r | |
502 | TerminalConInTimerHandler (\r | |
1436aea4 MK |
503 | IN EFI_EVENT Event,\r |
504 | IN VOID *Context\r | |
4bc6ad39 RN |
505 | )\r |
506 | {\r | |
507 | EFI_STATUS Status;\r | |
508 | TERMINAL_DEV *TerminalDevice;\r | |
59d88f42 | 509 | UINT32 Control;\r |
4bc6ad39 RN |
510 | UINT8 Input;\r |
511 | EFI_SERIAL_IO_MODE *Mode;\r | |
512 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
513 | UINTN SerialInTimeOut;\r | |
514 | \r | |
1436aea4 | 515 | TerminalDevice = (TERMINAL_DEV *)Context;\r |
4bc6ad39 | 516 | \r |
1436aea4 | 517 | SerialIo = TerminalDevice->SerialIo;\r |
4bc6ad39 | 518 | if (SerialIo == NULL) {\r |
1436aea4 | 519 | return;\r |
4bc6ad39 | 520 | }\r |
1436aea4 | 521 | \r |
4bc6ad39 RN |
522 | //\r |
523 | // if current timeout value for serial device is not identical with\r | |
524 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
525 | // timeout value again and set serial attribute according to this value.\r | |
526 | //\r | |
527 | Mode = SerialIo->Mode;\r | |
528 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
4bc6ad39 RN |
529 | SerialInTimeOut = 0;\r |
530 | if (Mode->BaudRate != 0) {\r | |
531 | //\r | |
532 | // According to BAUD rate to calculate the timeout value.\r | |
533 | //\r | |
1436aea4 | 534 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN)Mode->BaudRate;\r |
4bc6ad39 RN |
535 | }\r |
536 | \r | |
537 | Status = SerialIo->SetAttributes (\r | |
1436aea4 MK |
538 | SerialIo,\r |
539 | Mode->BaudRate,\r | |
540 | Mode->ReceiveFifoDepth,\r | |
541 | (UINT32)SerialInTimeOut,\r | |
542 | (EFI_PARITY_TYPE)(Mode->Parity),\r | |
543 | (UINT8)Mode->DataBits,\r | |
544 | (EFI_STOP_BITS_TYPE)(Mode->StopBits)\r | |
545 | );\r | |
4bc6ad39 RN |
546 | \r |
547 | if (EFI_ERROR (Status)) {\r | |
548 | TerminalDevice->SerialInTimeOut = 0;\r | |
549 | } else {\r | |
550 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
551 | }\r | |
552 | }\r | |
1436aea4 | 553 | \r |
4bc6ad39 | 554 | //\r |
59d88f42 | 555 | // Check whether serial buffer is empty.\r |
d9b51b21 SZ |
556 | // Skip the key transfer loop only if the SerialIo protocol instance\r |
557 | // successfully reports EFI_SERIAL_INPUT_BUFFER_EMPTY.\r | |
4bc6ad39 | 558 | //\r |
59d88f42 | 559 | Status = SerialIo->GetControl (SerialIo, &Control);\r |
d9b51b21 | 560 | if (EFI_ERROR (Status) || ((Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) == 0)) {\r |
59d88f42 RN |
561 | //\r |
562 | // Fetch all the keys in the serial buffer,\r | |
563 | // and insert the byte stream into RawFIFO.\r | |
564 | //\r | |
565 | while (!IsRawFiFoFull (TerminalDevice)) {\r | |
59d88f42 RN |
566 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r |
567 | \r | |
568 | if (EFI_ERROR (Status)) {\r | |
569 | if (Status == EFI_DEVICE_ERROR) {\r | |
570 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
571 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
572 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_INPUT_ERROR),\r | |
573 | TerminalDevice->DevicePath\r | |
574 | );\r | |
575 | }\r | |
1436aea4 | 576 | \r |
59d88f42 | 577 | break;\r |
4bc6ad39 | 578 | }\r |
4bc6ad39 | 579 | \r |
59d88f42 RN |
580 | RawFiFoInsertOneKey (TerminalDevice, Input);\r |
581 | }\r | |
4bc6ad39 RN |
582 | }\r |
583 | \r | |
584 | //\r | |
585 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
586 | // according to different terminal type supported.\r | |
587 | //\r | |
588 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
589 | }\r | |
590 | \r | |
47b612db SZ |
591 | /**\r |
592 | Process key notify.\r | |
593 | \r | |
594 | @param Event Indicates the event that invoke this function.\r | |
595 | @param Context Indicates the calling context.\r | |
596 | **/\r | |
597 | VOID\r | |
598 | EFIAPI\r | |
599 | KeyNotifyProcessHandler (\r | |
1436aea4 MK |
600 | IN EFI_EVENT Event,\r |
601 | IN VOID *Context\r | |
47b612db SZ |
602 | )\r |
603 | {\r | |
1436aea4 MK |
604 | BOOLEAN HasKey;\r |
605 | TERMINAL_DEV *TerminalDevice;\r | |
606 | EFI_INPUT_KEY Key;\r | |
607 | EFI_KEY_DATA KeyData;\r | |
608 | LIST_ENTRY *Link;\r | |
609 | LIST_ENTRY *NotifyList;\r | |
610 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
611 | EFI_TPL OldTpl;\r | |
47b612db | 612 | \r |
1436aea4 | 613 | TerminalDevice = (TERMINAL_DEV *)Context;\r |
47b612db SZ |
614 | \r |
615 | //\r | |
616 | // Invoke notification functions.\r | |
617 | //\r | |
618 | NotifyList = &TerminalDevice->NotifyList;\r | |
619 | while (TRUE) {\r | |
620 | //\r | |
621 | // Enter critical section\r | |
d1102dba | 622 | //\r |
47b612db SZ |
623 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r |
624 | HasKey = EfiKeyFiFoForNotifyRemoveOneKey (TerminalDevice->EfiKeyFiFoForNotify, &Key);\r | |
625 | CopyMem (&KeyData.Key, &Key, sizeof (EFI_INPUT_KEY));\r | |
626 | KeyData.KeyState.KeyShiftState = 0;\r | |
627 | KeyData.KeyState.KeyToggleState = 0;\r | |
628 | //\r | |
629 | // Leave critical section\r | |
630 | //\r | |
631 | gBS->RestoreTPL (OldTpl);\r | |
632 | if (!HasKey) {\r | |
633 | break;\r | |
634 | }\r | |
1436aea4 | 635 | \r |
47b612db SZ |
636 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList, Link); Link = GetNextNode (NotifyList, Link)) {\r |
637 | CurrentNotify = CR (Link, TERMINAL_CONSOLE_IN_EX_NOTIFY, NotifyEntry, TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE);\r | |
638 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r | |
639 | CurrentNotify->KeyNotificationFn (&KeyData);\r | |
640 | }\r | |
641 | }\r | |
642 | }\r | |
643 | }\r | |
644 | \r | |
4bc6ad39 RN |
645 | /**\r |
646 | Get one key out of serial buffer.\r | |
647 | \r | |
648 | @param SerialIo Serial I/O protocol attached to the serial device.\r | |
649 | @param Output The fetched key.\r | |
650 | \r | |
651 | @retval EFI_NOT_READY If serial buffer is empty.\r | |
652 | @retval EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
653 | @retval EFI_SUCCESS If reading serial buffer successfully, put\r | |
654 | the fetched key to the parameter output.\r | |
655 | \r | |
656 | **/\r | |
657 | EFI_STATUS\r | |
658 | GetOneKeyFromSerial (\r | |
659 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
660 | UINT8 *Output\r | |
661 | )\r | |
662 | {\r | |
663 | EFI_STATUS Status;\r | |
664 | UINTN Size;\r | |
665 | \r | |
666 | Size = 1;\r | |
667 | *Output = 0;\r | |
668 | \r | |
669 | //\r | |
670 | // Read one key from serial I/O device.\r | |
671 | //\r | |
1436aea4 | 672 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
4bc6ad39 RN |
673 | \r |
674 | if (EFI_ERROR (Status)) {\r | |
4bc6ad39 RN |
675 | if (Status == EFI_TIMEOUT) {\r |
676 | return EFI_NOT_READY;\r | |
677 | }\r | |
678 | \r | |
679 | return EFI_DEVICE_ERROR;\r | |
4bc6ad39 RN |
680 | }\r |
681 | \r | |
682 | if (*Output == 0) {\r | |
683 | return EFI_NOT_READY;\r | |
684 | }\r | |
685 | \r | |
686 | return EFI_SUCCESS;\r | |
687 | }\r | |
688 | \r | |
689 | /**\r | |
690 | Insert one byte raw data into the Raw Data FIFO.\r | |
691 | \r | |
692 | @param TerminalDevice Terminal driver private structure.\r | |
693 | @param Input The key will be input.\r | |
694 | \r | |
695 | @retval TRUE If insert successfully.\r | |
f07ccd05 | 696 | @retval FALSE If Raw Data buffer is full before key insertion,\r |
4bc6ad39 RN |
697 | and the key is lost.\r |
698 | \r | |
699 | **/\r | |
700 | BOOLEAN\r | |
701 | RawFiFoInsertOneKey (\r | |
1436aea4 MK |
702 | TERMINAL_DEV *TerminalDevice,\r |
703 | UINT8 Input\r | |
4bc6ad39 RN |
704 | )\r |
705 | {\r | |
1436aea4 | 706 | UINT8 Tail;\r |
4bc6ad39 RN |
707 | \r |
708 | Tail = TerminalDevice->RawFiFo->Tail;\r | |
709 | \r | |
710 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
711 | //\r | |
712 | // Raw FIFO is full\r | |
713 | //\r | |
714 | return FALSE;\r | |
715 | }\r | |
716 | \r | |
1436aea4 | 717 | TerminalDevice->RawFiFo->Data[Tail] = Input;\r |
4bc6ad39 | 718 | \r |
1436aea4 | 719 | TerminalDevice->RawFiFo->Tail = (UINT8)((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r |
4bc6ad39 RN |
720 | \r |
721 | return TRUE;\r | |
722 | }\r | |
723 | \r | |
724 | /**\r | |
725 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
726 | \r | |
727 | @param TerminalDevice Terminal driver private structure.\r | |
728 | @param Output The key will be removed.\r | |
729 | \r | |
730 | @retval TRUE If insert successfully.\r | |
f07ccd05 | 731 | @retval FALSE If Raw Data FIFO buffer is empty before remove operation.\r |
4bc6ad39 RN |
732 | \r |
733 | **/\r | |
734 | BOOLEAN\r | |
735 | RawFiFoRemoveOneKey (\r | |
736 | TERMINAL_DEV *TerminalDevice,\r | |
737 | UINT8 *Output\r | |
738 | )\r | |
739 | {\r | |
1436aea4 | 740 | UINT8 Head;\r |
4bc6ad39 RN |
741 | \r |
742 | Head = TerminalDevice->RawFiFo->Head;\r | |
743 | \r | |
744 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
745 | //\r | |
746 | // FIFO is empty\r | |
747 | //\r | |
748 | *Output = 0;\r | |
749 | return FALSE;\r | |
750 | }\r | |
751 | \r | |
1436aea4 | 752 | *Output = TerminalDevice->RawFiFo->Data[Head];\r |
4bc6ad39 | 753 | \r |
1436aea4 | 754 | TerminalDevice->RawFiFo->Head = (UINT8)((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r |
4bc6ad39 RN |
755 | \r |
756 | return TRUE;\r | |
757 | }\r | |
758 | \r | |
759 | /**\r | |
760 | Clarify whether Raw Data FIFO buffer is empty.\r | |
761 | \r | |
762 | @param TerminalDevice Terminal driver private structure\r | |
763 | \r | |
764 | @retval TRUE If Raw Data FIFO buffer is empty.\r | |
f07ccd05 | 765 | @retval FALSE If Raw Data FIFO buffer is not empty.\r |
4bc6ad39 RN |
766 | \r |
767 | **/\r | |
768 | BOOLEAN\r | |
769 | IsRawFiFoEmpty (\r | |
770 | TERMINAL_DEV *TerminalDevice\r | |
771 | )\r | |
772 | {\r | |
773 | if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) {\r | |
774 | return TRUE;\r | |
775 | } else {\r | |
776 | return FALSE;\r | |
777 | }\r | |
778 | }\r | |
779 | \r | |
780 | /**\r | |
781 | Clarify whether Raw Data FIFO buffer is full.\r | |
782 | \r | |
783 | @param TerminalDevice Terminal driver private structure\r | |
784 | \r | |
785 | @retval TRUE If Raw Data FIFO buffer is full.\r | |
f07ccd05 | 786 | @retval FALSE If Raw Data FIFO buffer is not full.\r |
4bc6ad39 RN |
787 | \r |
788 | **/\r | |
789 | BOOLEAN\r | |
790 | IsRawFiFoFull (\r | |
791 | TERMINAL_DEV *TerminalDevice\r | |
792 | )\r | |
793 | {\r | |
1436aea4 MK |
794 | UINT8 Tail;\r |
795 | UINT8 Head;\r | |
4bc6ad39 | 796 | \r |
1436aea4 MK |
797 | Tail = TerminalDevice->RawFiFo->Tail;\r |
798 | Head = TerminalDevice->RawFiFo->Head;\r | |
4bc6ad39 RN |
799 | \r |
800 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
4bc6ad39 RN |
801 | return TRUE;\r |
802 | }\r | |
803 | \r | |
804 | return FALSE;\r | |
805 | }\r | |
806 | \r | |
47b612db SZ |
807 | /**\r |
808 | Insert one pre-fetched key into the FIFO buffer.\r | |
809 | \r | |
810 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
811 | @param Input The key will be input.\r | |
812 | \r | |
813 | @retval TRUE If insert successfully.\r | |
814 | @retval FALSE If FIFO buffer is full before key insertion,\r | |
815 | and the key is lost.\r | |
816 | \r | |
817 | **/\r | |
818 | BOOLEAN\r | |
819 | EfiKeyFiFoForNotifyInsertOneKey (\r | |
1436aea4 MK |
820 | EFI_KEY_FIFO *EfiKeyFiFo,\r |
821 | EFI_INPUT_KEY *Input\r | |
47b612db SZ |
822 | )\r |
823 | {\r | |
1436aea4 | 824 | UINT8 Tail;\r |
47b612db SZ |
825 | \r |
826 | Tail = EfiKeyFiFo->Tail;\r | |
827 | \r | |
828 | if (IsEfiKeyFiFoForNotifyFull (EfiKeyFiFo)) {\r | |
829 | //\r | |
830 | // FIFO is full\r | |
831 | //\r | |
832 | return FALSE;\r | |
833 | }\r | |
834 | \r | |
835 | CopyMem (&EfiKeyFiFo->Data[Tail], Input, sizeof (EFI_INPUT_KEY));\r | |
836 | \r | |
1436aea4 | 837 | EfiKeyFiFo->Tail = (UINT8)((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
47b612db SZ |
838 | \r |
839 | return TRUE;\r | |
840 | }\r | |
841 | \r | |
842 | /**\r | |
843 | Remove one pre-fetched key out of the FIFO buffer.\r | |
844 | \r | |
845 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
846 | @param Output The key will be removed.\r | |
847 | \r | |
848 | @retval TRUE If remove successfully.\r | |
849 | @retval FALSE If FIFO buffer is empty before remove operation.\r | |
850 | \r | |
851 | **/\r | |
852 | BOOLEAN\r | |
853 | EfiKeyFiFoForNotifyRemoveOneKey (\r | |
1436aea4 MK |
854 | EFI_KEY_FIFO *EfiKeyFiFo,\r |
855 | EFI_INPUT_KEY *Output\r | |
47b612db SZ |
856 | )\r |
857 | {\r | |
1436aea4 | 858 | UINT8 Head;\r |
47b612db SZ |
859 | \r |
860 | Head = EfiKeyFiFo->Head;\r | |
861 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r | |
862 | \r | |
863 | if (IsEfiKeyFiFoForNotifyEmpty (EfiKeyFiFo)) {\r | |
864 | //\r | |
865 | // FIFO is empty\r | |
866 | //\r | |
867 | Output->ScanCode = SCAN_NULL;\r | |
868 | Output->UnicodeChar = 0;\r | |
869 | return FALSE;\r | |
870 | }\r | |
871 | \r | |
872 | CopyMem (Output, &EfiKeyFiFo->Data[Head], sizeof (EFI_INPUT_KEY));\r | |
873 | \r | |
1436aea4 | 874 | EfiKeyFiFo->Head = (UINT8)((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
47b612db SZ |
875 | \r |
876 | return TRUE;\r | |
877 | }\r | |
878 | \r | |
879 | /**\r | |
880 | Clarify whether FIFO buffer is empty.\r | |
881 | \r | |
882 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
883 | \r | |
884 | @retval TRUE If FIFO buffer is empty.\r | |
885 | @retval FALSE If FIFO buffer is not empty.\r | |
886 | \r | |
887 | **/\r | |
888 | BOOLEAN\r | |
889 | IsEfiKeyFiFoForNotifyEmpty (\r | |
1436aea4 | 890 | EFI_KEY_FIFO *EfiKeyFiFo\r |
47b612db SZ |
891 | )\r |
892 | {\r | |
893 | if (EfiKeyFiFo->Head == EfiKeyFiFo->Tail) {\r | |
894 | return TRUE;\r | |
895 | } else {\r | |
896 | return FALSE;\r | |
897 | }\r | |
898 | }\r | |
899 | \r | |
900 | /**\r | |
901 | Clarify whether FIFO buffer is full.\r | |
902 | \r | |
903 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
904 | \r | |
905 | @retval TRUE If FIFO buffer is full.\r | |
906 | @retval FALSE If FIFO buffer is not full.\r | |
907 | \r | |
908 | **/\r | |
909 | BOOLEAN\r | |
910 | IsEfiKeyFiFoForNotifyFull (\r | |
1436aea4 | 911 | EFI_KEY_FIFO *EfiKeyFiFo\r |
47b612db SZ |
912 | )\r |
913 | {\r | |
1436aea4 MK |
914 | UINT8 Tail;\r |
915 | UINT8 Head;\r | |
47b612db SZ |
916 | \r |
917 | Tail = EfiKeyFiFo->Tail;\r | |
918 | Head = EfiKeyFiFo->Head;\r | |
919 | \r | |
920 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
921 | return TRUE;\r | |
922 | }\r | |
923 | \r | |
924 | return FALSE;\r | |
925 | }\r | |
926 | \r | |
4bc6ad39 RN |
927 | /**\r |
928 | Insert one pre-fetched key into the FIFO buffer.\r | |
929 | \r | |
930 | @param TerminalDevice Terminal driver private structure.\r | |
931 | @param Key The key will be input.\r | |
932 | \r | |
933 | @retval TRUE If insert successfully.\r | |
f07ccd05 | 934 | @retval FALSE If FIFO buffer is full before key insertion,\r |
4bc6ad39 RN |
935 | and the key is lost.\r |
936 | \r | |
937 | **/\r | |
938 | BOOLEAN\r | |
939 | EfiKeyFiFoInsertOneKey (\r | |
1436aea4 MK |
940 | TERMINAL_DEV *TerminalDevice,\r |
941 | EFI_INPUT_KEY *Key\r | |
4bc6ad39 RN |
942 | )\r |
943 | {\r | |
1436aea4 MK |
944 | UINT8 Tail;\r |
945 | LIST_ENTRY *Link;\r | |
946 | LIST_ENTRY *NotifyList;\r | |
947 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
948 | EFI_KEY_DATA KeyData;\r | |
4bc6ad39 RN |
949 | \r |
950 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r | |
951 | \r | |
952 | CopyMem (&KeyData.Key, Key, sizeof (EFI_INPUT_KEY));\r | |
953 | KeyData.KeyState.KeyShiftState = 0;\r | |
954 | KeyData.KeyState.KeyToggleState = 0;\r | |
955 | \r | |
956 | //\r | |
47b612db | 957 | // Signal KeyNotify process event if this key pressed matches any key registered.\r |
4bc6ad39 RN |
958 | //\r |
959 | NotifyList = &TerminalDevice->NotifyList;\r | |
1436aea4 | 960 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList, Link); Link = GetNextNode (NotifyList, Link)) {\r |
4bc6ad39 RN |
961 | CurrentNotify = CR (\r |
962 | Link,\r | |
963 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
964 | NotifyEntry,\r | |
965 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
966 | );\r | |
967 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r | |
47b612db SZ |
968 | //\r |
969 | // The key notification function needs to run at TPL_CALLBACK\r | |
970 | // while current TPL is TPL_NOTIFY. It will be invoked in\r | |
971 | // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.\r | |
972 | //\r | |
973 | EfiKeyFiFoForNotifyInsertOneKey (TerminalDevice->EfiKeyFiFoForNotify, Key);\r | |
974 | gBS->SignalEvent (TerminalDevice->KeyNotifyProcessEvent);\r | |
f316a260 | 975 | break;\r |
4bc6ad39 RN |
976 | }\r |
977 | }\r | |
1436aea4 | 978 | \r |
4bc6ad39 RN |
979 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r |
980 | //\r | |
981 | // Efi Key FIFO is full\r | |
982 | //\r | |
983 | return FALSE;\r | |
984 | }\r | |
985 | \r | |
986 | CopyMem (&TerminalDevice->EfiKeyFiFo->Data[Tail], Key, sizeof (EFI_INPUT_KEY));\r | |
987 | \r | |
1436aea4 | 988 | TerminalDevice->EfiKeyFiFo->Tail = (UINT8)((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
4bc6ad39 RN |
989 | \r |
990 | return TRUE;\r | |
991 | }\r | |
992 | \r | |
993 | /**\r | |
994 | Remove one pre-fetched key out of the FIFO buffer.\r | |
995 | \r | |
996 | @param TerminalDevice Terminal driver private structure.\r | |
997 | @param Output The key will be removed.\r | |
998 | \r | |
999 | @retval TRUE If insert successfully.\r | |
f07ccd05 | 1000 | @retval FALSE If FIFO buffer is empty before remove operation.\r |
4bc6ad39 RN |
1001 | \r |
1002 | **/\r | |
1003 | BOOLEAN\r | |
1004 | EfiKeyFiFoRemoveOneKey (\r | |
1436aea4 MK |
1005 | TERMINAL_DEV *TerminalDevice,\r |
1006 | EFI_INPUT_KEY *Output\r | |
4bc6ad39 RN |
1007 | )\r |
1008 | {\r | |
1436aea4 | 1009 | UINT8 Head;\r |
4bc6ad39 RN |
1010 | \r |
1011 | Head = TerminalDevice->EfiKeyFiFo->Head;\r | |
1012 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r | |
1013 | \r | |
1014 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
1015 | //\r | |
1016 | // FIFO is empty\r | |
1017 | //\r | |
1018 | Output->ScanCode = SCAN_NULL;\r | |
1019 | Output->UnicodeChar = 0;\r | |
1020 | return FALSE;\r | |
1021 | }\r | |
1022 | \r | |
35f910f0 | 1023 | CopyMem (Output, &TerminalDevice->EfiKeyFiFo->Data[Head], sizeof (EFI_INPUT_KEY));\r |
4bc6ad39 | 1024 | \r |
1436aea4 | 1025 | TerminalDevice->EfiKeyFiFo->Head = (UINT8)((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
4bc6ad39 RN |
1026 | \r |
1027 | return TRUE;\r | |
1028 | }\r | |
1029 | \r | |
1030 | /**\r | |
1031 | Clarify whether FIFO buffer is empty.\r | |
1032 | \r | |
1033 | @param TerminalDevice Terminal driver private structure\r | |
1034 | \r | |
1035 | @retval TRUE If FIFO buffer is empty.\r | |
f07ccd05 | 1036 | @retval FALSE If FIFO buffer is not empty.\r |
4bc6ad39 RN |
1037 | \r |
1038 | **/\r | |
1039 | BOOLEAN\r | |
1040 | IsEfiKeyFiFoEmpty (\r | |
1041 | TERMINAL_DEV *TerminalDevice\r | |
1042 | )\r | |
1043 | {\r | |
1044 | if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {\r | |
1045 | return TRUE;\r | |
1046 | } else {\r | |
1047 | return FALSE;\r | |
1048 | }\r | |
1049 | }\r | |
1050 | \r | |
1051 | /**\r | |
1052 | Clarify whether FIFO buffer is full.\r | |
1053 | \r | |
1054 | @param TerminalDevice Terminal driver private structure\r | |
1055 | \r | |
1056 | @retval TRUE If FIFO buffer is full.\r | |
f07ccd05 | 1057 | @retval FALSE If FIFO buffer is not full.\r |
4bc6ad39 RN |
1058 | \r |
1059 | **/\r | |
1060 | BOOLEAN\r | |
1061 | IsEfiKeyFiFoFull (\r | |
1062 | TERMINAL_DEV *TerminalDevice\r | |
1063 | )\r | |
1064 | {\r | |
1436aea4 MK |
1065 | UINT8 Tail;\r |
1066 | UINT8 Head;\r | |
4bc6ad39 | 1067 | \r |
1436aea4 MK |
1068 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r |
1069 | Head = TerminalDevice->EfiKeyFiFo->Head;\r | |
4bc6ad39 RN |
1070 | \r |
1071 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
4bc6ad39 RN |
1072 | return TRUE;\r |
1073 | }\r | |
1074 | \r | |
1075 | return FALSE;\r | |
1076 | }\r | |
1077 | \r | |
1078 | /**\r | |
1079 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
1080 | \r | |
1081 | @param TerminalDevice Terminal driver private structure.\r | |
1082 | @param Input The key will be input.\r | |
1083 | \r | |
1084 | @retval TRUE If insert successfully.\r | |
f07ccd05 | 1085 | @retval FALSE If Unicode FIFO buffer is full before key insertion,\r |
4bc6ad39 RN |
1086 | and the key is lost.\r |
1087 | \r | |
1088 | **/\r | |
1089 | BOOLEAN\r | |
1090 | UnicodeFiFoInsertOneKey (\r | |
1436aea4 MK |
1091 | TERMINAL_DEV *TerminalDevice,\r |
1092 | UINT16 Input\r | |
4bc6ad39 RN |
1093 | )\r |
1094 | {\r | |
1436aea4 | 1095 | UINT8 Tail;\r |
4bc6ad39 RN |
1096 | \r |
1097 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r | |
1098 | ASSERT (Tail < FIFO_MAX_NUMBER + 1);\r | |
1099 | \r | |
4bc6ad39 RN |
1100 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r |
1101 | //\r | |
1102 | // Unicode FIFO is full\r | |
1103 | //\r | |
1104 | return FALSE;\r | |
1105 | }\r | |
1106 | \r | |
1436aea4 | 1107 | TerminalDevice->UnicodeFiFo->Data[Tail] = Input;\r |
4bc6ad39 | 1108 | \r |
1436aea4 | 1109 | TerminalDevice->UnicodeFiFo->Tail = (UINT8)((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
4bc6ad39 RN |
1110 | \r |
1111 | return TRUE;\r | |
1112 | }\r | |
1113 | \r | |
1114 | /**\r | |
1115 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
d1102dba | 1116 | The caller should guarantee that Unicode FIFO buffer is not empty\r |
b80eed7d | 1117 | by IsUnicodeFiFoEmpty ().\r |
4bc6ad39 RN |
1118 | \r |
1119 | @param TerminalDevice Terminal driver private structure.\r | |
1120 | @param Output The key will be removed.\r | |
1121 | \r | |
4bc6ad39 | 1122 | **/\r |
b80eed7d | 1123 | VOID\r |
4bc6ad39 RN |
1124 | UnicodeFiFoRemoveOneKey (\r |
1125 | TERMINAL_DEV *TerminalDevice,\r | |
1126 | UINT16 *Output\r | |
1127 | )\r | |
1128 | {\r | |
1436aea4 | 1129 | UINT8 Head;\r |
4bc6ad39 RN |
1130 | \r |
1131 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
1132 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r | |
1133 | \r | |
4bc6ad39 RN |
1134 | *Output = TerminalDevice->UnicodeFiFo->Data[Head];\r |
1135 | \r | |
1436aea4 | 1136 | TerminalDevice->UnicodeFiFo->Head = (UINT8)((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
4bc6ad39 RN |
1137 | }\r |
1138 | \r | |
1139 | /**\r | |
1140 | Clarify whether Unicode FIFO buffer is empty.\r | |
1141 | \r | |
1142 | @param TerminalDevice Terminal driver private structure\r | |
1143 | \r | |
1144 | @retval TRUE If Unicode FIFO buffer is empty.\r | |
f07ccd05 | 1145 | @retval FALSE If Unicode FIFO buffer is not empty.\r |
4bc6ad39 RN |
1146 | \r |
1147 | **/\r | |
1148 | BOOLEAN\r | |
1149 | IsUnicodeFiFoEmpty (\r | |
1150 | TERMINAL_DEV *TerminalDevice\r | |
1151 | )\r | |
1152 | {\r | |
1153 | if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {\r | |
1154 | return TRUE;\r | |
1155 | } else {\r | |
1156 | return FALSE;\r | |
1157 | }\r | |
1158 | }\r | |
1159 | \r | |
1160 | /**\r | |
1161 | Clarify whether Unicode FIFO buffer is full.\r | |
1162 | \r | |
1163 | @param TerminalDevice Terminal driver private structure\r | |
1164 | \r | |
1165 | @retval TRUE If Unicode FIFO buffer is full.\r | |
f07ccd05 | 1166 | @retval FALSE If Unicode FIFO buffer is not full.\r |
4bc6ad39 RN |
1167 | \r |
1168 | **/\r | |
1169 | BOOLEAN\r | |
1170 | IsUnicodeFiFoFull (\r | |
1171 | TERMINAL_DEV *TerminalDevice\r | |
1172 | )\r | |
1173 | {\r | |
1436aea4 MK |
1174 | UINT8 Tail;\r |
1175 | UINT8 Head;\r | |
4bc6ad39 | 1176 | \r |
1436aea4 MK |
1177 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
1178 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
4bc6ad39 RN |
1179 | \r |
1180 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
4bc6ad39 RN |
1181 | return TRUE;\r |
1182 | }\r | |
1183 | \r | |
1184 | return FALSE;\r | |
1185 | }\r | |
1186 | \r | |
4bc6ad39 RN |
1187 | /**\r |
1188 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
1189 | \r | |
1190 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
1191 | \r | |
1192 | **/\r | |
1193 | VOID\r | |
1194 | UnicodeToEfiKeyFlushState (\r | |
1436aea4 | 1195 | IN TERMINAL_DEV *TerminalDevice\r |
4bc6ad39 RN |
1196 | )\r |
1197 | {\r | |
1436aea4 MK |
1198 | EFI_INPUT_KEY Key;\r |
1199 | UINT32 InputState;\r | |
4bc6ad39 RN |
1200 | \r |
1201 | InputState = TerminalDevice->InputState;\r | |
1202 | \r | |
1203 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
1204 | return;\r | |
1205 | }\r | |
1206 | \r | |
1207 | if ((InputState & INPUT_STATE_ESC) != 0) {\r | |
1208 | Key.ScanCode = SCAN_ESC;\r | |
1209 | Key.UnicodeChar = 0;\r | |
1210 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1211 | }\r | |
1212 | \r | |
1213 | if ((InputState & INPUT_STATE_CSI) != 0) {\r | |
1214 | Key.ScanCode = SCAN_NULL;\r | |
1215 | Key.UnicodeChar = CSI;\r | |
1216 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1217 | }\r | |
1218 | \r | |
1219 | if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r | |
1220 | Key.ScanCode = SCAN_NULL;\r | |
1221 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1222 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1223 | }\r | |
1224 | \r | |
1225 | if ((InputState & INPUT_STATE_O) != 0) {\r | |
1226 | Key.ScanCode = SCAN_NULL;\r | |
1227 | Key.UnicodeChar = 'O';\r | |
1228 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1229 | }\r | |
1230 | \r | |
1231 | if ((InputState & INPUT_STATE_2) != 0) {\r | |
1232 | Key.ScanCode = SCAN_NULL;\r | |
1233 | Key.UnicodeChar = '2';\r | |
1234 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1235 | }\r | |
1236 | \r | |
1237 | //\r | |
1238 | // Cancel the timer.\r | |
1239 | //\r | |
1240 | gBS->SetTimer (\r | |
1436aea4 MK |
1241 | TerminalDevice->TwoSecondTimeOut,\r |
1242 | TimerCancel,\r | |
1243 | 0\r | |
1244 | );\r | |
4bc6ad39 RN |
1245 | \r |
1246 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1247 | }\r | |
1248 | \r | |
4bc6ad39 RN |
1249 | /**\r |
1250 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
1251 | can be read through the Simple Input Protocol.\r | |
1252 | \r | |
1253 | The table below shows the keyboard input mappings that this function supports.\r | |
1254 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
1255 | into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw\r | |
1256 | key strokes are converted into EFI Keys.\r | |
1257 | \r | |
1258 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r | |
1259 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1260 | converted into EFI Keys.\r | |
1261 | There is one special input sequence that will force the system to reset.\r | |
1262 | This is ESC R ESC r ESC R.\r | |
1263 | \r | |
d1102dba | 1264 | Note: current implementation support terminal types include: PC ANSI, VT100+/VTUTF8, VT100.\r |
4bc6ad39 RN |
1265 | The table below is not same with UEFI Spec 2.3 Appendix B Table 201(not support ANSI X3.64 /\r |
1266 | DEC VT200-500 and extra support PC ANSI, VT100)since UEFI Table 201 is just an example.\r | |
d1102dba | 1267 | \r |
4bc6ad39 RN |
1268 | Symbols used in table below\r |
1269 | ===========================\r | |
1270 | ESC = 0x1B\r | |
1271 | CSI = 0x9B\r | |
1272 | DEL = 0x7f\r | |
1273 | ^ = CTRL\r | |
1274 | \r | |
1275 | +=========+======+===========+==========+==========+\r | |
1276 | | | EFI | UEFI 2.0 | | |\r | |
1277 | | | Scan | | VT100+ | |\r | |
1278 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1279 | +=========+======+===========+==========+==========+\r | |
1280 | | NULL | 0x00 | | | |\r | |
1281 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1282 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1283 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1284 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1285 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1286 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1287 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1288 | | | | ESC [ L | | ESC [ L |\r | |
1289 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1290 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1291 | | | | | | ESC [ ? |\r | |
1292 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1293 | | | | | | ESC [ / |\r | |
1294 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1295 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1296 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1297 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1298 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1299 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1300 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1301 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1302 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1303 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1304 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1305 | | F11 | 0x15 | | ESC ! | |\r | |
1306 | | F12 | 0x16 | | ESC @ | |\r | |
1307 | +=========+======+===========+==========+==========+\r | |
1308 | \r | |
8a53ea9d ZG |
1309 | Putty function key map:\r |
1310 | +=========+======+===========+=============+=============+=============+=========+\r | |
1311 | | | EFI | | | | | |\r | |
1312 | | | Scan | | | Normal | | |\r | |
1313 | | KEY | Code | VT100+ | Xterm R6 | VT400 | Linux | SCO |\r | |
1314 | +=========+======+===========+=============+=============+=============+=========+\r | |
1315 | | F1 | 0x0B | ESC O P | ESC O P | ESC [ 1 1 ~ | ESC [ [ A | ESC [ M |\r | |
1316 | | F2 | 0x0C | ESC O Q | ESC O Q | ESC [ 1 2 ~ | ESC [ [ B | ESC [ N |\r | |
1317 | | F3 | 0x0D | ESC O R | ESC O R | ESC [ 1 3 ~ | ESC [ [ C | ESC [ O |\r | |
1318 | | F4 | 0x0E | ESC O S | ESC O S | ESC [ 1 4 ~ | ESC [ [ D | ESC [ P |\r | |
1319 | | F5 | 0x0F | ESC O T | ESC [ 1 5 ~ | ESC [ 1 5 ~ | ESC [ [ E | ESC [ Q |\r | |
1320 | | F6 | 0x10 | ESC O U | ESC [ 1 7 ~ | ESC [ 1 7 ~ | ESC [ 1 7 ~ | ESC [ R |\r | |
1321 | | F7 | 0x11 | ESC O V | ESC [ 1 8 ~ | ESC [ 1 8 ~ | ESC [ 1 8 ~ | ESC [ S |\r | |
1322 | | F8 | 0x12 | ESC O W | ESC [ 1 9 ~ | ESC [ 1 9 ~ | ESC [ 1 9 ~ | ESC [ T |\r | |
1323 | | F9 | 0x13 | ESC O X | ESC [ 2 0 ~ | ESC [ 2 0 ~ | ESC [ 2 0 ~ | ESC [ U |\r | |
1324 | | F10 | 0x14 | ESC O Y | ESC [ 2 1 ~ | ESC [ 2 1 ~ | ESC [ 2 1 ~ | ESC [ V |\r | |
1325 | | Escape | 0x17 | ESC | ESC | ESC | ESC | ESC |\r | |
1326 | | F11 | 0x15 | ESC O Z | ESC [ 2 3 ~ | ESC [ 2 3 ~ | ESC [ 2 3 ~ | ESC [ W |\r | |
1327 | | F12 | 0x16 | ESC O [ | ESC [ 2 4 ~ | ESC [ 2 4 ~ | ESC [ 2 4 ~ | ESC [ X |\r | |
1328 | +=========+======+===========+=============+=============+=============+=========+\r | |
1329 | \r | |
4bc6ad39 RN |
1330 | Special Mappings\r |
1331 | ================\r | |
1332 | ESC R ESC r ESC R = Reset System\r | |
1333 | \r | |
1334 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
1335 | \r | |
1336 | **/\r | |
1337 | VOID\r | |
1338 | UnicodeToEfiKey (\r | |
1436aea4 | 1339 | IN TERMINAL_DEV *TerminalDevice\r |
4bc6ad39 RN |
1340 | )\r |
1341 | {\r | |
1436aea4 MK |
1342 | EFI_STATUS Status;\r |
1343 | EFI_STATUS TimerStatus;\r | |
1344 | UINT16 UnicodeChar;\r | |
1345 | EFI_INPUT_KEY Key;\r | |
1346 | BOOLEAN SetDefaultResetState;\r | |
4bc6ad39 RN |
1347 | \r |
1348 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1349 | \r | |
1350 | if (!EFI_ERROR (TimerStatus)) {\r | |
1351 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1352 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1353 | }\r | |
1354 | \r | |
1355 | while (!IsUnicodeFiFoEmpty (TerminalDevice) && !IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
4bc6ad39 RN |
1356 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1357 | //\r | |
1358 | // Check to see if the 2 seconds timer has expired\r | |
1359 | //\r | |
1360 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1361 | if (!EFI_ERROR (TimerStatus)) {\r | |
1362 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1363 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1364 | }\r | |
1365 | }\r | |
1366 | \r | |
1367 | //\r | |
1368 | // Fetch one Unicode character from the Unicode FIFO\r | |
1369 | //\r | |
1370 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r | |
1371 | \r | |
1372 | SetDefaultResetState = TRUE;\r | |
1373 | \r | |
1374 | switch (TerminalDevice->InputState) {\r | |
1436aea4 | 1375 | case INPUT_STATE_DEFAULT:\r |
4bc6ad39 | 1376 | \r |
1436aea4 | 1377 | break;\r |
4bc6ad39 | 1378 | \r |
1436aea4 | 1379 | case INPUT_STATE_ESC:\r |
4bc6ad39 | 1380 | \r |
1436aea4 MK |
1381 | if (UnicodeChar == LEFTOPENBRACKET) {\r |
1382 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1383 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1384 | continue;\r | |
1385 | }\r | |
4bc6ad39 | 1386 | \r |
1436aea4 MK |
1387 | if ((UnicodeChar == 'O') && ((TerminalDevice->TerminalType == TerminalTypeVt100) ||\r |
1388 | (TerminalDevice->TerminalType == TerminalTypeTtyTerm) ||\r | |
1389 | (TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r | |
1390 | (TerminalDevice->TerminalType == TerminalTypeVt100Plus)))\r | |
1391 | {\r | |
1392 | TerminalDevice->InputState |= INPUT_STATE_O;\r | |
1393 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1394 | continue;\r | |
1395 | }\r | |
4bc6ad39 | 1396 | \r |
1436aea4 MK |
1397 | Key.ScanCode = SCAN_NULL;\r |
1398 | \r | |
1399 | if ((TerminalDevice->TerminalType == TerminalTypeVt100Plus) ||\r | |
1400 | (TerminalDevice->TerminalType == TerminalTypeVtUtf8))\r | |
1401 | {\r | |
1402 | switch (UnicodeChar) {\r | |
1403 | case '1':\r | |
1404 | Key.ScanCode = SCAN_F1;\r | |
1405 | break;\r | |
1406 | case '2':\r | |
1407 | Key.ScanCode = SCAN_F2;\r | |
1408 | break;\r | |
1409 | case '3':\r | |
1410 | Key.ScanCode = SCAN_F3;\r | |
1411 | break;\r | |
1412 | case '4':\r | |
1413 | Key.ScanCode = SCAN_F4;\r | |
1414 | break;\r | |
1415 | case '5':\r | |
1416 | Key.ScanCode = SCAN_F5;\r | |
1417 | break;\r | |
1418 | case '6':\r | |
1419 | Key.ScanCode = SCAN_F6;\r | |
1420 | break;\r | |
1421 | case '7':\r | |
1422 | Key.ScanCode = SCAN_F7;\r | |
1423 | break;\r | |
1424 | case '8':\r | |
1425 | Key.ScanCode = SCAN_F8;\r | |
1426 | break;\r | |
1427 | case '9':\r | |
1428 | Key.ScanCode = SCAN_F9;\r | |
1429 | break;\r | |
1430 | case '0':\r | |
1431 | Key.ScanCode = SCAN_F10;\r | |
1432 | break;\r | |
1433 | case '!':\r | |
1434 | Key.ScanCode = SCAN_F11;\r | |
1435 | break;\r | |
1436 | case '@':\r | |
1437 | Key.ScanCode = SCAN_F12;\r | |
1438 | break;\r | |
1439 | case 'h':\r | |
1440 | Key.ScanCode = SCAN_HOME;\r | |
1441 | break;\r | |
1442 | case 'k':\r | |
1443 | Key.ScanCode = SCAN_END;\r | |
1444 | break;\r | |
1445 | case '+':\r | |
1446 | Key.ScanCode = SCAN_INSERT;\r | |
1447 | break;\r | |
1448 | case '-':\r | |
1449 | Key.ScanCode = SCAN_DELETE;\r | |
1450 | break;\r | |
1451 | case '/':\r | |
1452 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1453 | break;\r | |
1454 | case '?':\r | |
1455 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1456 | break;\r | |
1457 | default:\r | |
1458 | break;\r | |
1459 | }\r | |
1460 | }\r | |
4bc6ad39 | 1461 | \r |
4bc6ad39 | 1462 | switch (UnicodeChar) {\r |
1436aea4 MK |
1463 | case 'R':\r |
1464 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r | |
1465 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1466 | SetDefaultResetState = FALSE;\r | |
1467 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_R) {\r | |
1468 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1469 | }\r | |
1470 | \r | |
1471 | Key.ScanCode = SCAN_NULL;\r | |
1472 | break;\r | |
1473 | case 'r':\r | |
1474 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r | |
1475 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_R;\r | |
1476 | SetDefaultResetState = FALSE;\r | |
1477 | }\r | |
1478 | \r | |
1479 | Key.ScanCode = SCAN_NULL;\r | |
1480 | break;\r | |
1481 | default:\r | |
1482 | break;\r | |
4bc6ad39 | 1483 | }\r |
4bc6ad39 | 1484 | \r |
1436aea4 MK |
1485 | if (SetDefaultResetState) {\r |
1486 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
4bc6ad39 | 1487 | }\r |
1436aea4 MK |
1488 | \r |
1489 | if (Key.ScanCode != SCAN_NULL) {\r | |
1490 | Key.UnicodeChar = 0;\r | |
1491 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1492 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1493 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1494 | continue;\r | |
4bc6ad39 | 1495 | }\r |
1436aea4 MK |
1496 | \r |
1497 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1498 | \r | |
4bc6ad39 | 1499 | break;\r |
4bc6ad39 | 1500 | \r |
1436aea4 MK |
1501 | case INPUT_STATE_ESC | INPUT_STATE_O:\r |
1502 | \r | |
4bc6ad39 | 1503 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
4bc6ad39 | 1504 | \r |
1436aea4 | 1505 | Key.ScanCode = SCAN_NULL;\r |
4bc6ad39 | 1506 | \r |
1436aea4 MK |
1507 | if (TerminalDevice->TerminalType == TerminalTypeVt100) {\r |
1508 | switch (UnicodeChar) {\r | |
1509 | case 'P':\r | |
1510 | Key.ScanCode = SCAN_F1;\r | |
1511 | break;\r | |
1512 | case 'Q':\r | |
1513 | Key.ScanCode = SCAN_F2;\r | |
1514 | break;\r | |
1515 | case 'w':\r | |
1516 | Key.ScanCode = SCAN_F3;\r | |
1517 | break;\r | |
1518 | case 'x':\r | |
1519 | Key.ScanCode = SCAN_F4;\r | |
1520 | break;\r | |
1521 | case 't':\r | |
1522 | Key.ScanCode = SCAN_F5;\r | |
1523 | break;\r | |
1524 | case 'u':\r | |
1525 | Key.ScanCode = SCAN_F6;\r | |
1526 | break;\r | |
1527 | case 'q':\r | |
1528 | Key.ScanCode = SCAN_F7;\r | |
1529 | break;\r | |
1530 | case 'r':\r | |
1531 | Key.ScanCode = SCAN_F8;\r | |
1532 | break;\r | |
1533 | case 'p':\r | |
1534 | Key.ScanCode = SCAN_F9;\r | |
1535 | break;\r | |
1536 | case 'M':\r | |
1537 | Key.ScanCode = SCAN_F10;\r | |
1538 | break;\r | |
1539 | default:\r | |
1540 | break;\r | |
1541 | }\r | |
1542 | } else if (TerminalDevice->TerminalType == TerminalTypeTtyTerm) {\r | |
1543 | /* Also accept VT100 escape codes for F1-F4, HOME and END for TTY term */\r | |
1544 | switch (UnicodeChar) {\r | |
1545 | case 'P':\r | |
1546 | Key.ScanCode = SCAN_F1;\r | |
1547 | break;\r | |
1548 | case 'Q':\r | |
1549 | Key.ScanCode = SCAN_F2;\r | |
1550 | break;\r | |
1551 | case 'R':\r | |
1552 | Key.ScanCode = SCAN_F3;\r | |
1553 | break;\r | |
1554 | case 'S':\r | |
1555 | Key.ScanCode = SCAN_F4;\r | |
1556 | break;\r | |
1557 | case 'H':\r | |
1558 | Key.ScanCode = SCAN_HOME;\r | |
1559 | break;\r | |
1560 | case 'F':\r | |
1561 | Key.ScanCode = SCAN_END;\r | |
1562 | break;\r | |
1563 | }\r | |
1564 | } else if (TerminalDevice->TerminalType == TerminalTypeVt100Plus) {\r | |
1565 | switch (UnicodeChar) {\r | |
1566 | case 'P':\r | |
1567 | Key.ScanCode = SCAN_F1;\r | |
1568 | break;\r | |
1569 | case 'Q':\r | |
1570 | Key.ScanCode = SCAN_F2;\r | |
1571 | break;\r | |
1572 | case 'R':\r | |
1573 | Key.ScanCode = SCAN_F3;\r | |
1574 | break;\r | |
1575 | case 'S':\r | |
1576 | Key.ScanCode = SCAN_F4;\r | |
1577 | break;\r | |
1578 | case 'T':\r | |
1579 | Key.ScanCode = SCAN_F5;\r | |
1580 | break;\r | |
1581 | case 'U':\r | |
1582 | Key.ScanCode = SCAN_F6;\r | |
1583 | break;\r | |
1584 | case 'V':\r | |
1585 | Key.ScanCode = SCAN_F7;\r | |
1586 | break;\r | |
1587 | case 'W':\r | |
1588 | Key.ScanCode = SCAN_F8;\r | |
1589 | break;\r | |
1590 | case 'X':\r | |
1591 | Key.ScanCode = SCAN_F9;\r | |
1592 | break;\r | |
1593 | case 'Y':\r | |
1594 | Key.ScanCode = SCAN_F10;\r | |
1595 | break;\r | |
1596 | case 'Z':\r | |
1597 | Key.ScanCode = SCAN_F11;\r | |
1598 | break;\r | |
1599 | case '[':\r | |
1600 | Key.ScanCode = SCAN_F12;\r | |
1601 | break;\r | |
1602 | }\r | |
1603 | } else if (TerminalDevice->TerminalType == TerminalTypeXtermR6) {\r | |
1604 | switch (UnicodeChar) {\r | |
1605 | case 'P':\r | |
1606 | Key.ScanCode = SCAN_F1;\r | |
1607 | break;\r | |
1608 | case 'Q':\r | |
1609 | Key.ScanCode = SCAN_F2;\r | |
1610 | break;\r | |
1611 | case 'R':\r | |
1612 | Key.ScanCode = SCAN_F3;\r | |
1613 | break;\r | |
1614 | case 'S':\r | |
1615 | Key.ScanCode = SCAN_F4;\r | |
1616 | break;\r | |
1617 | }\r | |
1618 | }\r | |
4bc6ad39 | 1619 | \r |
1436aea4 MK |
1620 | if (Key.ScanCode != SCAN_NULL) {\r |
1621 | Key.UnicodeChar = 0;\r | |
1622 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1623 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1624 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1625 | continue;\r | |
1626 | }\r | |
4bc6ad39 | 1627 | \r |
1436aea4 | 1628 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
4bc6ad39 | 1629 | \r |
1436aea4 | 1630 | break;\r |
4bc6ad39 | 1631 | \r |
1436aea4 | 1632 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r |
4bc6ad39 | 1633 | \r |
1436aea4 MK |
1634 | if ((UnicodeChar == '1') && ((TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r |
1635 | (TerminalDevice->TerminalType == TerminalTypeVt400) ||\r | |
1636 | (TerminalDevice->TerminalType == TerminalTypeLinux)))\r | |
1637 | {\r | |
1638 | TerminalDevice->InputState |= INPUT_STATE_1;\r | |
1639 | continue;\r | |
014f93ac | 1640 | }\r |
1436aea4 MK |
1641 | \r |
1642 | if ((UnicodeChar == '2') && ((TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r | |
1643 | (TerminalDevice->TerminalType == TerminalTypeVt400) ||\r | |
1644 | (TerminalDevice->TerminalType == TerminalTypeLinux)))\r | |
1645 | {\r | |
1646 | TerminalDevice->InputState |= INPUT_STATE_2;\r | |
1647 | continue;\r | |
8a53ea9d | 1648 | }\r |
1436aea4 MK |
1649 | \r |
1650 | if ((UnicodeChar == LEFTOPENBRACKET) && (TerminalDevice->TerminalType == TerminalTypeLinux)) {\r | |
1651 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET_2ND;\r | |
1652 | continue;\r | |
8a53ea9d | 1653 | }\r |
4bc6ad39 | 1654 | \r |
1436aea4 | 1655 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
4bc6ad39 | 1656 | \r |
1436aea4 | 1657 | Key.ScanCode = SCAN_NULL;\r |
4bc6ad39 | 1658 | \r |
1436aea4 MK |
1659 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r |
1660 | (TerminalDevice->TerminalType == TerminalTypeVt100) ||\r | |
1661 | (TerminalDevice->TerminalType == TerminalTypeVt100Plus) ||\r | |
1662 | (TerminalDevice->TerminalType == TerminalTypeVtUtf8) ||\r | |
1663 | (TerminalDevice->TerminalType == TerminalTypeTtyTerm) ||\r | |
1664 | (TerminalDevice->TerminalType == TerminalTypeLinux) ||\r | |
1665 | (TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r | |
1666 | (TerminalDevice->TerminalType == TerminalTypeVt400) ||\r | |
1667 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1668 | {\r | |
1669 | switch (UnicodeChar) {\r | |
1670 | case 'A':\r | |
1671 | Key.ScanCode = SCAN_UP;\r | |
1672 | break;\r | |
1673 | case 'B':\r | |
1674 | Key.ScanCode = SCAN_DOWN;\r | |
1675 | break;\r | |
1676 | case 'C':\r | |
1677 | Key.ScanCode = SCAN_RIGHT;\r | |
1678 | break;\r | |
1679 | case 'D':\r | |
1680 | Key.ScanCode = SCAN_LEFT;\r | |
1681 | break;\r | |
1682 | case 'H':\r | |
1683 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1684 | (TerminalDevice->TerminalType == TerminalTypeVt100) ||\r | |
1685 | (TerminalDevice->TerminalType == TerminalTypeTtyTerm))\r | |
1686 | {\r | |
1687 | Key.ScanCode = SCAN_HOME;\r | |
1688 | }\r | |
4bc6ad39 | 1689 | \r |
1436aea4 MK |
1690 | break;\r |
1691 | case 'F':\r | |
1692 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1693 | (TerminalDevice->TerminalType == TerminalTypeTtyTerm))\r | |
1694 | {\r | |
1695 | Key.ScanCode = SCAN_END;\r | |
1696 | }\r | |
4bc6ad39 | 1697 | \r |
1436aea4 MK |
1698 | break;\r |
1699 | case 'K':\r | |
1700 | if (TerminalDevice->TerminalType == TerminalTypeVt100) {\r | |
1701 | Key.ScanCode = SCAN_END;\r | |
1702 | }\r | |
8a53ea9d | 1703 | \r |
1436aea4 MK |
1704 | break;\r |
1705 | case 'L':\r | |
1706 | case '@':\r | |
1707 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1708 | (TerminalDevice->TerminalType == TerminalTypeVt100))\r | |
1709 | {\r | |
1710 | Key.ScanCode = SCAN_INSERT;\r | |
1711 | }\r | |
8a53ea9d | 1712 | \r |
1436aea4 MK |
1713 | break;\r |
1714 | case 'X':\r | |
1715 | if (TerminalDevice->TerminalType == TerminalTypePcAnsi) {\r | |
1716 | Key.ScanCode = SCAN_DELETE;\r | |
1717 | } else if (TerminalDevice->TerminalType == TerminalTypeSCO) {\r | |
1718 | Key.ScanCode = SCAN_F12;\r | |
1719 | }\r | |
8a53ea9d | 1720 | \r |
1436aea4 MK |
1721 | break;\r |
1722 | case 'P':\r | |
1723 | if (TerminalDevice->TerminalType == TerminalTypeVt100) {\r | |
1724 | Key.ScanCode = SCAN_DELETE;\r | |
1725 | } else if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1726 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1727 | {\r | |
1728 | Key.ScanCode = SCAN_F4;\r | |
1729 | }\r | |
4bc6ad39 | 1730 | \r |
1436aea4 MK |
1731 | break;\r |
1732 | case 'I':\r | |
1733 | if (TerminalDevice->TerminalType == TerminalTypePcAnsi) {\r | |
1734 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1735 | }\r | |
4bc6ad39 | 1736 | \r |
1436aea4 MK |
1737 | break;\r |
1738 | case 'V':\r | |
1739 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1740 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1741 | {\r | |
1742 | Key.ScanCode = SCAN_F10;\r | |
1743 | }\r | |
8a53ea9d | 1744 | \r |
1436aea4 MK |
1745 | break;\r |
1746 | case '?':\r | |
1747 | if (TerminalDevice->TerminalType == TerminalTypeVt100) {\r | |
1748 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1749 | }\r | |
8a53ea9d | 1750 | \r |
1436aea4 MK |
1751 | break;\r |
1752 | case 'G':\r | |
1753 | if (TerminalDevice->TerminalType == TerminalTypePcAnsi) {\r | |
1754 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1755 | }\r | |
8a53ea9d | 1756 | \r |
1436aea4 MK |
1757 | break;\r |
1758 | case 'U':\r | |
1759 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1760 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1761 | {\r | |
1762 | Key.ScanCode = SCAN_F9;\r | |
1763 | }\r | |
8a53ea9d | 1764 | \r |
1436aea4 MK |
1765 | break;\r |
1766 | case '/':\r | |
1767 | if (TerminalDevice->TerminalType == TerminalTypeVt100) {\r | |
1768 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1769 | }\r | |
8a53ea9d | 1770 | \r |
1436aea4 MK |
1771 | break;\r |
1772 | case 'M':\r | |
1773 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1774 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1775 | {\r | |
1776 | Key.ScanCode = SCAN_F1;\r | |
1777 | }\r | |
8a53ea9d | 1778 | \r |
1436aea4 MK |
1779 | break;\r |
1780 | case 'N':\r | |
1781 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1782 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1783 | {\r | |
1784 | Key.ScanCode = SCAN_F2;\r | |
1785 | }\r | |
8a53ea9d | 1786 | \r |
1436aea4 MK |
1787 | break;\r |
1788 | case 'O':\r | |
1789 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1790 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1791 | {\r | |
1792 | Key.ScanCode = SCAN_F3;\r | |
1793 | }\r | |
1794 | \r | |
1795 | break;\r | |
1796 | case 'Q':\r | |
1797 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1798 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1799 | {\r | |
1800 | Key.ScanCode = SCAN_F5;\r | |
1801 | }\r | |
1802 | \r | |
1803 | break;\r | |
1804 | case 'R':\r | |
1805 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1806 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1807 | {\r | |
1808 | Key.ScanCode = SCAN_F6;\r | |
1809 | }\r | |
1810 | \r | |
1811 | break;\r | |
1812 | case 'S':\r | |
1813 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1814 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1815 | {\r | |
1816 | Key.ScanCode = SCAN_F7;\r | |
1817 | }\r | |
1818 | \r | |
1819 | break;\r | |
1820 | case 'T':\r | |
1821 | if ((TerminalDevice->TerminalType == TerminalTypePcAnsi) ||\r | |
1822 | (TerminalDevice->TerminalType == TerminalTypeSCO))\r | |
1823 | {\r | |
1824 | Key.ScanCode = SCAN_F8;\r | |
1825 | }\r | |
1826 | \r | |
1827 | break;\r | |
1828 | case 'W':\r | |
1829 | if (TerminalDevice->TerminalType == TerminalTypeSCO) {\r | |
1830 | Key.ScanCode = SCAN_F11;\r | |
1831 | }\r | |
1832 | \r | |
1833 | break;\r | |
1834 | default:\r | |
1835 | break;\r | |
8a53ea9d | 1836 | }\r |
8a53ea9d | 1837 | }\r |
8a53ea9d | 1838 | \r |
1436aea4 MK |
1839 | /*\r |
1840 | * The VT220 escape codes that the TTY terminal accepts all have\r | |
1841 | * numeric codes, and there are no ambiguous prefixes shared with\r | |
1842 | * other terminal types.\r | |
1843 | */\r | |
1844 | if ((TerminalDevice->TerminalType == TerminalTypeTtyTerm) &&\r | |
1845 | (Key.ScanCode == SCAN_NULL) &&\r | |
1846 | (UnicodeChar >= '0') &&\r | |
1847 | (UnicodeChar <= '9'))\r | |
1848 | {\r | |
1849 | TerminalDevice->TtyEscapeStr[0] = UnicodeChar;\r | |
1850 | TerminalDevice->TtyEscapeIndex = 1;\r | |
1851 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET_TTY;\r | |
1852 | continue;\r | |
1853 | }\r | |
1854 | \r | |
1855 | if (Key.ScanCode != SCAN_NULL) {\r | |
1856 | Key.UnicodeChar = 0;\r | |
1857 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1858 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1859 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1860 | continue;\r | |
1861 | }\r | |
1862 | \r | |
8a53ea9d | 1863 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
014f93ac | 1864 | \r |
1436aea4 | 1865 | break;\r |
8a53ea9d | 1866 | \r |
1436aea4 | 1867 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET | INPUT_STATE_1:\r |
8a53ea9d | 1868 | \r |
1436aea4 | 1869 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
8a53ea9d | 1870 | \r |
1436aea4 | 1871 | Key.ScanCode = SCAN_NULL;\r |
8a53ea9d | 1872 | \r |
1436aea4 MK |
1873 | if ((TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r |
1874 | (TerminalDevice->TerminalType == TerminalTypeVt400) ||\r | |
1875 | (TerminalDevice->TerminalType == TerminalTypeLinux))\r | |
1876 | {\r | |
1877 | switch (UnicodeChar) {\r | |
1878 | case '1':\r | |
1879 | if (TerminalDevice->TerminalType == TerminalTypeVt400) {\r | |
1880 | Key.ScanCode = SCAN_F1;\r | |
1881 | }\r | |
4bc6ad39 | 1882 | \r |
1436aea4 MK |
1883 | break;\r |
1884 | case '2':\r | |
1885 | if (TerminalDevice->TerminalType == TerminalTypeVt400) {\r | |
1886 | Key.ScanCode = SCAN_F2;\r | |
1887 | }\r | |
4bc6ad39 | 1888 | \r |
1436aea4 MK |
1889 | break;\r |
1890 | case '3':\r | |
1891 | if (TerminalDevice->TerminalType == TerminalTypeVt400) {\r | |
1892 | Key.ScanCode = SCAN_F3;\r | |
1893 | }\r | |
4bc6ad39 | 1894 | \r |
1436aea4 MK |
1895 | break;\r |
1896 | case '4':\r | |
1897 | if (TerminalDevice->TerminalType == TerminalTypeVt400) {\r | |
1898 | Key.ScanCode = SCAN_F4;\r | |
1899 | }\r | |
8a53ea9d | 1900 | \r |
1436aea4 MK |
1901 | break;\r |
1902 | case '5':\r | |
1903 | if ((TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r | |
1904 | (TerminalDevice->TerminalType == TerminalTypeVt400))\r | |
1905 | {\r | |
1906 | Key.ScanCode = SCAN_F5;\r | |
1907 | }\r | |
8a53ea9d | 1908 | \r |
1436aea4 MK |
1909 | break;\r |
1910 | case '7':\r | |
1911 | Key.ScanCode = SCAN_F6;\r | |
1912 | break;\r | |
1913 | case '8':\r | |
1914 | Key.ScanCode = SCAN_F7;\r | |
1915 | break;\r | |
1916 | case '9':\r | |
1917 | Key.ScanCode = SCAN_F8;\r | |
1918 | break;\r | |
1919 | }\r | |
8a53ea9d | 1920 | }\r |
8a53ea9d | 1921 | \r |
1436aea4 MK |
1922 | if (Key.ScanCode != SCAN_NULL) {\r |
1923 | Key.UnicodeChar = 0;\r | |
1924 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1925 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1926 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1927 | continue;\r | |
1928 | }\r | |
1929 | \r | |
1930 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1931 | \r | |
1932 | break;\r | |
1933 | \r | |
1934 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET | INPUT_STATE_2:\r | |
1935 | \r | |
8a53ea9d | 1936 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r |
1436aea4 MK |
1937 | Key.ScanCode = SCAN_NULL;\r |
1938 | if ((TerminalDevice->TerminalType == TerminalTypeXtermR6) ||\r | |
1939 | (TerminalDevice->TerminalType == TerminalTypeVt400) ||\r | |
1940 | (TerminalDevice->TerminalType == TerminalTypeLinux))\r | |
1941 | {\r | |
1942 | switch (UnicodeChar) {\r | |
1943 | case '0':\r | |
1944 | Key.ScanCode = SCAN_F9;\r | |
1945 | break;\r | |
1946 | case '1':\r | |
1947 | Key.ScanCode = SCAN_F10;\r | |
1948 | break;\r | |
1949 | case '3':\r | |
1950 | Key.ScanCode = SCAN_F11;\r | |
1951 | break;\r | |
1952 | case '4':\r | |
1953 | Key.ScanCode = SCAN_F12;\r | |
1954 | break;\r | |
1955 | }\r | |
1956 | }\r | |
1957 | \r | |
1958 | if (Key.ScanCode != SCAN_NULL) {\r | |
1959 | Key.UnicodeChar = 0;\r | |
1960 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1961 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1962 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1963 | continue;\r | |
1964 | }\r | |
1965 | \r | |
8a53ea9d | 1966 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
8a53ea9d | 1967 | \r |
1436aea4 | 1968 | break;\r |
8a53ea9d | 1969 | \r |
1436aea4 | 1970 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET | INPUT_STATE_LEFTOPENBRACKET_2ND:\r |
4bc6ad39 | 1971 | \r |
1436aea4 MK |
1972 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r |
1973 | Key.ScanCode = SCAN_NULL;\r | |
014f93ac | 1974 | \r |
1436aea4 MK |
1975 | if (TerminalDevice->TerminalType == TerminalTypeLinux) {\r |
1976 | switch (UnicodeChar) {\r | |
1977 | case 'A':\r | |
1978 | Key.ScanCode = SCAN_F1;\r | |
1df81f6d | 1979 | break;\r |
1436aea4 MK |
1980 | case 'B':\r |
1981 | Key.ScanCode = SCAN_F2;\r | |
014f93ac | 1982 | break;\r |
1436aea4 MK |
1983 | case 'C':\r |
1984 | Key.ScanCode = SCAN_F3;\r | |
1df81f6d | 1985 | break;\r |
1436aea4 MK |
1986 | case 'D':\r |
1987 | Key.ScanCode = SCAN_F4;\r | |
1988 | break;\r | |
1989 | case 'E':\r | |
1990 | Key.ScanCode = SCAN_F5;\r | |
1df81f6d | 1991 | break;\r |
014f93ac | 1992 | }\r |
014f93ac | 1993 | }\r |
1436aea4 MK |
1994 | \r |
1995 | if (Key.ScanCode != SCAN_NULL) {\r | |
1996 | Key.UnicodeChar = 0;\r | |
1997 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
1998 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1999 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
2000 | continue;\r | |
014f93ac | 2001 | }\r |
014f93ac | 2002 | \r |
014f93ac | 2003 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
014f93ac | 2004 | \r |
1436aea4 | 2005 | break;\r |
014f93ac | 2006 | \r |
1436aea4 MK |
2007 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET | INPUT_STATE_LEFTOPENBRACKET_TTY:\r |
2008 | /*\r | |
2009 | * Here we handle the VT220 escape codes that we accept. This\r | |
2010 | * state is only used by the TTY terminal type.\r | |
2011 | */\r | |
2012 | Key.ScanCode = SCAN_NULL;\r | |
2013 | if (TerminalDevice->TerminalType == TerminalTypeTtyTerm) {\r | |
2014 | if ((UnicodeChar == '~') && (TerminalDevice->TtyEscapeIndex <= 2)) {\r | |
2015 | UINT16 EscCode;\r | |
2016 | TerminalDevice->TtyEscapeStr[TerminalDevice->TtyEscapeIndex] = 0; /* Terminate string */\r | |
2017 | EscCode = (UINT16)StrDecimalToUintn (TerminalDevice->TtyEscapeStr);\r | |
2018 | switch (EscCode) {\r | |
2019 | case 2:\r | |
2020 | Key.ScanCode = SCAN_INSERT;\r | |
2021 | break;\r | |
2022 | case 3:\r | |
2023 | Key.ScanCode = SCAN_DELETE;\r | |
2024 | break;\r | |
2025 | case 5:\r | |
2026 | Key.ScanCode = SCAN_PAGE_UP;\r | |
2027 | break;\r | |
2028 | case 6:\r | |
2029 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
2030 | break;\r | |
2031 | case 11:\r | |
2032 | case 12:\r | |
2033 | case 13:\r | |
2034 | case 14:\r | |
2035 | case 15:\r | |
2036 | Key.ScanCode = SCAN_F1 + EscCode - 11;\r | |
2037 | break;\r | |
2038 | case 17:\r | |
2039 | case 18:\r | |
2040 | case 19:\r | |
2041 | case 20:\r | |
2042 | case 21:\r | |
2043 | Key.ScanCode = SCAN_F6 + EscCode - 17;\r | |
2044 | break;\r | |
2045 | case 23:\r | |
2046 | case 24:\r | |
2047 | Key.ScanCode = SCAN_F11 + EscCode - 23;\r | |
2048 | break;\r | |
2049 | default:\r | |
2050 | break;\r | |
2051 | }\r | |
2052 | } else if (TerminalDevice->TtyEscapeIndex == 1) {\r | |
2053 | /* 2 character escape code */\r | |
2054 | TerminalDevice->TtyEscapeStr[TerminalDevice->TtyEscapeIndex++] = UnicodeChar;\r | |
2055 | continue;\r | |
2056 | } else {\r | |
2057 | DEBUG ((DEBUG_ERROR, "Unexpected state in escape2\n"));\r | |
2058 | }\r | |
2059 | }\r | |
4bc6ad39 | 2060 | \r |
1436aea4 | 2061 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
4bc6ad39 | 2062 | \r |
1436aea4 MK |
2063 | if (Key.ScanCode != SCAN_NULL) {\r |
2064 | Key.UnicodeChar = 0;\r | |
2065 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
2066 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
2067 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
2068 | continue;\r | |
2069 | }\r | |
2070 | \r | |
2071 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
2072 | break;\r | |
2073 | \r | |
2074 | default:\r | |
2075 | //\r | |
2076 | // Invalid state. This should never happen.\r | |
2077 | //\r | |
2078 | ASSERT (FALSE);\r | |
2079 | \r | |
2080 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
2081 | \r | |
2082 | break;\r | |
4bc6ad39 RN |
2083 | }\r |
2084 | \r | |
2085 | if (UnicodeChar == ESC) {\r | |
2086 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
2087 | }\r | |
2088 | \r | |
2089 | if (UnicodeChar == CSI) {\r | |
2090 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
2091 | }\r | |
2092 | \r | |
2093 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r | |
1436aea4 | 2094 | Status = gBS->SetTimer (\r |
4bc6ad39 RN |
2095 | TerminalDevice->TwoSecondTimeOut,\r |
2096 | TimerRelative,\r | |
2097 | (UINT64)20000000\r | |
2098 | );\r | |
2099 | ASSERT_EFI_ERROR (Status);\r | |
2100 | continue;\r | |
2101 | }\r | |
2102 | \r | |
2103 | if (SetDefaultResetState) {\r | |
2104 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
2105 | }\r | |
2106 | \r | |
2107 | if (UnicodeChar == DEL) {\r | |
8ce87fff | 2108 | if (TerminalDevice->TerminalType == TerminalTypeTtyTerm) {\r |
34098df2 RF |
2109 | Key.ScanCode = SCAN_NULL;\r |
2110 | Key.UnicodeChar = CHAR_BACKSPACE;\r | |
1436aea4 | 2111 | } else {\r |
34098df2 RF |
2112 | Key.ScanCode = SCAN_DELETE;\r |
2113 | Key.UnicodeChar = 0;\r | |
2114 | }\r | |
4bc6ad39 RN |
2115 | } else {\r |
2116 | Key.ScanCode = SCAN_NULL;\r | |
2117 | Key.UnicodeChar = UnicodeChar;\r | |
2118 | }\r | |
2119 | \r | |
2120 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
2121 | }\r | |
2122 | }\r |