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e49ef433 | 1 | /** @file\r |
66aa04e4 | 2 | Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.\r |
fb0b259e | 3 | \r |
e49ef433 | 4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
fb0b259e | 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 | |
95276127 | 12 | \r |
13 | **/\r | |
14 | \r | |
95276127 | 15 | #include "Terminal.h"\r |
16 | \r | |
95276127 | 17 | \r |
e49ef433 | 18 | \r |
19 | /**\r | |
20 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
21 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
22 | \r | |
23 | @param TerminalDevice Terminal driver private structure\r | |
24 | @param KeyData A pointer to a buffer that is filled in with the\r | |
25 | keystroke state data for the key that was\r | |
26 | pressed.\r | |
27 | \r | |
28 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
29 | @retval EFI_NOT_READY There was no keystroke data availiable.\r | |
30 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
31 | to hardware errors.\r | |
32 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
33 | \r | |
34 | **/\r | |
66aa04e4 | 35 | EFI_STATUS\r |
36 | ReadKeyStrokeWorker (\r | |
37 | IN TERMINAL_DEV *TerminalDevice,\r | |
38 | OUT EFI_KEY_DATA *KeyData\r | |
39 | )\r | |
66aa04e4 | 40 | {\r |
41 | EFI_STATUS Status;\r | |
42 | LIST_ENTRY *Link;\r | |
43 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
44 | \r | |
45 | if (KeyData == NULL) {\r | |
46 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 47 | }\r |
66aa04e4 | 48 | \r |
49 | //\r | |
50 | // Initialize *Key to nonsense value.\r | |
51 | //\r | |
52 | KeyData->Key.ScanCode = SCAN_NULL;\r | |
53 | KeyData->Key.UnicodeChar = 0;\r | |
54 | \r | |
55 | Status = TerminalConInCheckForKey (&TerminalDevice->SimpleInput);\r | |
56 | if (EFI_ERROR (Status)) {\r | |
57 | return EFI_NOT_READY;\r | |
58 | }\r | |
59 | \r | |
60 | if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {\r | |
61 | return EFI_NOT_READY;\r | |
62 | }\r | |
63 | \r | |
64 | KeyData->KeyState.KeyShiftState = 0;\r | |
65 | KeyData->KeyState.KeyToggleState = 0;\r | |
66 | \r | |
67 | //\r | |
68 | // Invoke notification functions if exist\r | |
69 | //\r | |
70 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
71 | CurrentNotify = CR (\r | |
fb0b259e | 72 | Link,\r |
73 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
74 | NotifyEntry,\r | |
66aa04e4 | 75 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
76 | );\r | |
fb0b259e | 77 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 78 | CurrentNotify->KeyNotificationFn (KeyData);\r |
79 | }\r | |
80 | }\r | |
81 | \r | |
82 | return EFI_SUCCESS;\r | |
83 | \r | |
84 | }\r | |
85 | \r | |
e49ef433 | 86 | /**\r |
87 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r | |
88 | This driver only perform dependent serial device reset regardless of\r | |
89 | the value of ExtendeVerification\r | |
66aa04e4 | 90 | \r |
e49ef433 | 91 | @param This Indicates the calling context.\r |
92 | @param ExtendedVerification Skip by this driver.\r | |
93 | \r | |
94 | @return EFI_SUCCESS\r | |
95 | @return The reset operation succeeds.\r | |
96 | @return EFI_DEVICE_ERROR\r | |
97 | @return The dependent serial port reset fails.\r | |
98 | \r | |
99 | **/\r | |
95276127 | 100 | EFI_STATUS\r |
101 | EFIAPI\r | |
102 | TerminalConInReset (\r | |
103 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
104 | IN BOOLEAN ExtendedVerification\r | |
105 | )\r | |
95276127 | 106 | {\r |
107 | EFI_STATUS Status;\r | |
108 | TERMINAL_DEV *TerminalDevice;\r | |
109 | \r | |
110 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
111 | \r | |
112 | //\r | |
113 | // Report progress code here\r | |
114 | //\r | |
115 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
116 | EFI_PROGRESS_CODE,\r | |
97a079ed | 117 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r |
95276127 | 118 | TerminalDevice->DevicePath\r |
119 | );\r | |
120 | \r | |
121 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
122 | \r | |
123 | //\r | |
124 | // clear all the internal buffer for keys\r | |
125 | //\r | |
126 | InitializeRawFiFo (TerminalDevice);\r | |
127 | InitializeUnicodeFiFo (TerminalDevice);\r | |
128 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
129 | \r | |
130 | if (EFI_ERROR (Status)) {\r | |
131 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
132 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 133 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 134 | TerminalDevice->DevicePath\r |
135 | );\r | |
136 | }\r | |
137 | \r | |
138 | return Status;\r | |
139 | }\r | |
140 | \r | |
e49ef433 | 141 | \r |
142 | /**\r | |
143 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
144 | \r | |
145 | @param This Indicates the calling context.\r | |
146 | @param Key A pointer to a buffer that is filled in with the\r | |
147 | keystroke information for the key that was sent\r | |
148 | from terminal.\r | |
149 | \r | |
150 | @return EFI_SUCCESS\r | |
151 | @return The keystroke information is returned successfully.\r | |
152 | @return EFI_NOT_READY\r | |
153 | @return There is no keystroke data available.\r | |
154 | @return EFI_DEVICE_ERROR\r | |
155 | @return The dependent serial device encounters error.\r | |
156 | \r | |
157 | **/\r | |
95276127 | 158 | EFI_STATUS\r |
159 | EFIAPI\r | |
160 | TerminalConInReadKeyStroke (\r | |
161 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
162 | OUT EFI_INPUT_KEY *Key\r | |
163 | )\r | |
95276127 | 164 | {\r |
165 | TERMINAL_DEV *TerminalDevice;\r | |
166 | EFI_STATUS Status;\r | |
66aa04e4 | 167 | EFI_KEY_DATA KeyData;\r |
95276127 | 168 | \r |
95276127 | 169 | //\r |
170 | // get TERMINAL_DEV from "This" parameter.\r | |
171 | //\r | |
172 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
173 | \r | |
66aa04e4 | 174 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r |
95276127 | 175 | if (EFI_ERROR (Status)) {\r |
66aa04e4 | 176 | return Status;\r |
177 | }\r | |
178 | \r | |
179 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
180 | \r | |
181 | return EFI_SUCCESS;\r | |
182 | \r | |
183 | }\r | |
184 | \r | |
185 | \r | |
e49ef433 | 186 | \r |
187 | /**\r | |
188 | \r | |
189 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
190 | keystroke state data for the key that was\r | |
191 | registered.\r | |
192 | @param InputData A pointer to a buffer that is filled in with the\r | |
193 | keystroke state data for the key that was\r | |
194 | pressed.\r | |
195 | \r | |
196 | @retval TRUE Key be pressed matches a registered key.\r | |
197 | @retval FLASE Match failed.\r | |
198 | \r | |
199 | **/\r | |
66aa04e4 | 200 | BOOLEAN\r |
201 | IsKeyRegistered (\r | |
202 | IN EFI_KEY_DATA *RegsiteredData,\r | |
203 | IN EFI_KEY_DATA *InputData\r | |
204 | )\r | |
66aa04e4 | 205 | {\r |
206 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
fb0b259e | 207 | \r |
66aa04e4 | 208 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r |
209 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r | |
fb0b259e | 210 | return FALSE;\r |
211 | }\r | |
212 | \r | |
66aa04e4 | 213 | return TRUE;\r |
214 | }\r | |
215 | \r | |
216 | \r | |
e49ef433 | 217 | \r |
218 | /**\r | |
219 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
220 | Signal the event if there is key available\r | |
221 | \r | |
222 | @param Event Indicates the event that invoke this function.\r | |
223 | @param Context Indicates the calling context.\r | |
224 | \r | |
225 | @return none.\r | |
226 | \r | |
227 | **/\r | |
66aa04e4 | 228 | VOID\r |
229 | EFIAPI\r | |
230 | TerminalConInWaitForKeyEx (\r | |
231 | IN EFI_EVENT Event,\r | |
232 | IN VOID *Context\r | |
233 | )\r | |
66aa04e4 | 234 | {\r |
235 | TERMINAL_DEV *TerminalDevice;\r | |
fb0b259e | 236 | \r |
66aa04e4 | 237 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (Context);\r |
238 | \r | |
239 | TerminalConInWaitForKey (Event, &TerminalDevice->SimpleInput);\r | |
240 | \r | |
241 | }\r | |
242 | \r | |
243 | //\r | |
244 | // Simple Text Input Ex protocol functions\r | |
245 | //\r | |
246 | \r | |
e49ef433 | 247 | \r |
248 | /**\r | |
249 | Reset the input device and optionaly run diagnostics\r | |
250 | \r | |
251 | @param This Protocol instance pointer.\r | |
252 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
253 | \r | |
254 | @retval EFI_SUCCESS The device was reset.\r | |
255 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
256 | not be reset.\r | |
257 | \r | |
258 | **/\r | |
66aa04e4 | 259 | EFI_STATUS\r |
260 | EFIAPI\r | |
261 | TerminalConInResetEx (\r | |
262 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
263 | IN BOOLEAN ExtendedVerification\r | |
264 | )\r | |
66aa04e4 | 265 | {\r |
266 | EFI_STATUS Status;\r | |
267 | TERMINAL_DEV *TerminalDevice;\r | |
268 | \r | |
269 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
270 | \r | |
271 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
272 | if (EFI_ERROR (Status)) {\r | |
273 | return EFI_DEVICE_ERROR;\r | |
95276127 | 274 | }\r |
275 | \r | |
66aa04e4 | 276 | return EFI_SUCCESS;\r |
fb0b259e | 277 | \r |
66aa04e4 | 278 | }\r |
279 | \r | |
e49ef433 | 280 | \r |
281 | /**\r | |
282 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
283 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
284 | \r | |
285 | @param This Protocol instance pointer.\r | |
286 | @param KeyData A pointer to a buffer that is filled in with the\r | |
287 | keystroke state data for the key that was\r | |
288 | pressed.\r | |
289 | \r | |
290 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
291 | @retval EFI_NOT_READY There was no keystroke data availiable.\r | |
292 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
293 | to hardware errors.\r | |
294 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
295 | \r | |
296 | **/\r | |
66aa04e4 | 297 | EFI_STATUS\r |
298 | EFIAPI\r | |
299 | TerminalConInReadKeyStrokeEx (\r | |
300 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
301 | OUT EFI_KEY_DATA *KeyData\r | |
302 | )\r | |
66aa04e4 | 303 | {\r |
304 | TERMINAL_DEV *TerminalDevice;\r | |
305 | \r | |
306 | if (KeyData == NULL) {\r | |
307 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 308 | }\r |
66aa04e4 | 309 | \r |
310 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
311 | \r | |
312 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
313 | \r | |
314 | }\r | |
315 | \r | |
e49ef433 | 316 | \r |
317 | /**\r | |
318 | Set certain state for the input device.\r | |
319 | \r | |
320 | @param This Protocol instance pointer.\r | |
321 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
322 | state for the input device.\r | |
323 | \r | |
324 | @retval EFI_SUCCESS The device state was set successfully.\r | |
325 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
326 | could not have the setting adjusted.\r | |
327 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
328 | state.\r | |
329 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
330 | \r | |
331 | **/\r | |
66aa04e4 | 332 | EFI_STATUS\r |
333 | EFIAPI\r | |
334 | TerminalConInSetState (\r | |
335 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
336 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
337 | )\r | |
66aa04e4 | 338 | {\r |
339 | if (KeyToggleState == NULL) {\r | |
340 | return EFI_INVALID_PARAMETER;\r | |
341 | }\r | |
95276127 | 342 | \r |
343 | return EFI_SUCCESS;\r | |
66aa04e4 | 344 | }\r |
95276127 | 345 | \r |
e49ef433 | 346 | \r |
347 | /**\r | |
348 | Register a notification function for a particular keystroke for the input device.\r | |
349 | \r | |
350 | @param This Protocol instance pointer.\r | |
351 | @param KeyData A pointer to a buffer that is filled in with the\r | |
352 | keystroke information data for the key that was\r | |
353 | pressed.\r | |
354 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
355 | sequence is typed specified by KeyData.\r | |
356 | @param NotifyHandle Points to the unique handle assigned to the\r | |
357 | registered notification.\r | |
358 | \r | |
359 | @retval EFI_SUCCESS The notification function was registered\r | |
360 | successfully.\r | |
361 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data\r | |
362 | structures.\r | |
363 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
364 | \r | |
365 | **/\r | |
66aa04e4 | 366 | EFI_STATUS\r |
367 | EFIAPI\r | |
368 | TerminalConInRegisterKeyNotify (\r | |
369 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
370 | IN EFI_KEY_DATA *KeyData,\r | |
371 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
372 | OUT EFI_HANDLE *NotifyHandle\r | |
373 | )\r | |
66aa04e4 | 374 | {\r |
375 | EFI_STATUS Status;\r | |
376 | TERMINAL_DEV *TerminalDevice;\r | |
377 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
378 | LIST_ENTRY *Link;\r | |
fb0b259e | 379 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
66aa04e4 | 380 | \r |
381 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
382 | return EFI_INVALID_PARAMETER;\r | |
383 | }\r | |
384 | \r | |
385 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
386 | \r | |
387 | //\r | |
388 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
389 | //\r | |
390 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
391 | CurrentNotify = CR (\r | |
fb0b259e | 392 | Link,\r |
393 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
394 | NotifyEntry,\r | |
66aa04e4 | 395 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
396 | );\r | |
fb0b259e | 397 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 398 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
fb0b259e | 399 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
66aa04e4 | 400 | return EFI_SUCCESS;\r |
401 | }\r | |
402 | }\r | |
403 | }\r | |
404 | \r | |
405 | //\r | |
406 | // Allocate resource to save the notification function\r | |
fb0b259e | 407 | //\r |
66aa04e4 | 408 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
409 | if (NewNotify == NULL) {\r | |
410 | return EFI_OUT_OF_RESOURCES;\r | |
fb0b259e | 411 | }\r |
66aa04e4 | 412 | \r |
fb0b259e | 413 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
66aa04e4 | 414 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
415 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r | |
416 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r | |
417 | //\r | |
418 | // Use gSimpleTextInExNotifyGuid to get a valid EFI_HANDLE\r | |
fb0b259e | 419 | //\r |
66aa04e4 | 420 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
421 | &NewNotify->NotifyHandle,\r | |
422 | &gSimpleTextInExNotifyGuid,\r | |
423 | NULL,\r | |
424 | NULL\r | |
425 | );\r | |
426 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 427 | *NotifyHandle = NewNotify->NotifyHandle;\r |
66aa04e4 | 428 | \r |
429 | return EFI_SUCCESS;\r | |
95276127 | 430 | }\r |
431 | \r | |
e49ef433 | 432 | \r |
433 | /**\r | |
434 | Remove a registered notification function from a particular keystroke.\r | |
435 | \r | |
436 | @param This Protocol instance pointer.\r | |
437 | @param NotificationHandle The handle of the notification function being\r | |
438 | unregistered.\r | |
439 | \r | |
440 | @retval EFI_SUCCESS The notification function was unregistered\r | |
441 | successfully.\r | |
442 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
443 | @retval EFI_NOT_FOUND Can not find the matching entry in database.\r | |
444 | \r | |
445 | **/\r | |
66aa04e4 | 446 | EFI_STATUS\r |
447 | EFIAPI\r | |
448 | TerminalConInUnregisterKeyNotify (\r | |
449 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
450 | IN EFI_HANDLE NotificationHandle\r | |
451 | )\r | |
66aa04e4 | 452 | {\r |
453 | EFI_STATUS Status;\r | |
454 | TERMINAL_DEV *TerminalDevice;\r | |
455 | LIST_ENTRY *Link;\r | |
456 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
457 | \r | |
458 | if (NotificationHandle == NULL) {\r | |
459 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 460 | }\r |
461 | \r | |
66aa04e4 | 462 | Status = gBS->OpenProtocol (\r |
463 | NotificationHandle,\r | |
464 | &gSimpleTextInExNotifyGuid,\r | |
465 | NULL,\r | |
466 | NULL,\r | |
467 | NULL,\r | |
468 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
469 | );\r | |
470 | if (EFI_ERROR (Status)) {\r | |
471 | return EFI_INVALID_PARAMETER;\r | |
472 | }\r | |
473 | \r | |
474 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
475 | \r | |
476 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
477 | CurrentNotify = CR (\r | |
fb0b259e | 478 | Link,\r |
479 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
480 | NotifyEntry,\r | |
66aa04e4 | 481 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
482 | );\r | |
483 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r | |
484 | //\r | |
485 | // Remove the notification function from NotifyList and free resources\r | |
486 | //\r | |
fb0b259e | 487 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
66aa04e4 | 488 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
489 | CurrentNotify->NotifyHandle,\r | |
490 | &gSimpleTextInExNotifyGuid,\r | |
491 | NULL,\r | |
492 | NULL\r | |
493 | );\r | |
494 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 495 | gBS->FreePool (CurrentNotify);\r |
66aa04e4 | 496 | return EFI_SUCCESS;\r |
497 | }\r | |
498 | }\r | |
fb0b259e | 499 | \r |
500 | return EFI_NOT_FOUND;\r | |
66aa04e4 | 501 | }\r |
502 | \r | |
e49ef433 | 503 | /**\r |
504 | Turn raw data into Unicode (according to different encode), and \r | |
505 | translate Unicode into key information. (according to different standard). \r | |
66aa04e4 | 506 | \r |
e49ef433 | 507 | @param TerminalDevice Terminal driver private structure.\r |
508 | \r | |
509 | @return none.\r | |
510 | \r | |
511 | **/\r | |
95276127 | 512 | VOID\r |
513 | TranslateRawDataToEfiKey (\r | |
514 | IN TERMINAL_DEV *TerminalDevice\r | |
515 | )\r | |
95276127 | 516 | {\r |
517 | switch (TerminalDevice->TerminalType) {\r | |
518 | \r | |
e49ef433 | 519 | case PCANSITYPE:\r |
520 | case VT100TYPE:\r | |
521 | case VT100PLUSTYPE:\r | |
95276127 | 522 | AnsiRawDataToUnicode (TerminalDevice);\r |
523 | UnicodeToEfiKey (TerminalDevice);\r | |
524 | break;\r | |
525 | \r | |
e49ef433 | 526 | case VTUTF8TYPE:\r |
95276127 | 527 | //\r |
528 | // Process all the raw data in the RawFIFO,\r | |
529 | // put the processed key into UnicodeFIFO.\r | |
530 | //\r | |
531 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
532 | \r | |
533 | //\r | |
534 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
535 | // then put into EfiKeyFIFO.\r | |
536 | //\r | |
537 | UnicodeToEfiKey (TerminalDevice);\r | |
538 | \r | |
539 | break;\r | |
540 | }\r | |
541 | }\r | |
542 | \r | |
e49ef433 | 543 | /**\r |
544 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
545 | Signal the event if there is key available\r | |
546 | \r | |
547 | @param Event Indicates the event that invoke this function.\r | |
548 | @param Context Indicates the calling context.\r | |
549 | \r | |
550 | @return None\r | |
551 | \r | |
552 | **/\r | |
95276127 | 553 | VOID\r |
554 | EFIAPI\r | |
555 | TerminalConInWaitForKey (\r | |
556 | IN EFI_EVENT Event,\r | |
557 | IN VOID *Context\r | |
558 | )\r | |
95276127 | 559 | {\r |
560 | //\r | |
561 | // Someone is waiting on the keystroke event, if there's\r | |
562 | // a key pending, signal the event\r | |
563 | //\r | |
564 | // Context is the pointer to EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r | |
565 | //\r | |
566 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
567 | \r | |
568 | gBS->SignalEvent (Event);\r | |
569 | }\r | |
570 | }\r | |
571 | \r | |
fb0b259e | 572 | \r |
e49ef433 | 573 | /**\r |
574 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
fb0b259e | 575 | \r |
e49ef433 | 576 | @param This Indicates the calling context.\r |
fb0b259e | 577 | \r |
e49ef433 | 578 | @return EFI_SUCCESS\r |
579 | @return There is key pending.\r | |
580 | @return EFI_NOT_READY\r | |
581 | @return There is no key pending.\r | |
582 | @return EFI_DEVICE_ERROR\r | |
fb0b259e | 583 | \r |
e49ef433 | 584 | **/\r |
585 | EFI_STATUS\r | |
586 | TerminalConInCheckForKey (\r | |
587 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
588 | )\r | |
95276127 | 589 | {\r |
590 | EFI_STATUS Status;\r | |
591 | TERMINAL_DEV *TerminalDevice;\r | |
592 | UINT32 Control;\r | |
593 | UINT8 Input;\r | |
594 | EFI_SERIAL_IO_MODE *Mode;\r | |
595 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
596 | UINTN SerialInTimeOut;\r | |
597 | \r | |
598 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
599 | \r | |
600 | SerialIo = TerminalDevice->SerialIo;\r | |
601 | if (SerialIo == NULL) {\r | |
602 | return EFI_DEVICE_ERROR;\r | |
603 | }\r | |
604 | //\r | |
605 | // if current timeout value for serial device is not identical with\r | |
606 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
607 | // timeout value again and set serial attribute according to this value.\r | |
608 | //\r | |
609 | Mode = SerialIo->Mode;\r | |
610 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
611 | \r | |
612 | SerialInTimeOut = 0;\r | |
613 | if (Mode->BaudRate != 0) {\r | |
614 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r | |
615 | }\r | |
616 | \r | |
617 | Status = SerialIo->SetAttributes (\r | |
618 | SerialIo,\r | |
619 | Mode->BaudRate,\r | |
620 | Mode->ReceiveFifoDepth,\r | |
621 | (UINT32) SerialInTimeOut,\r | |
622 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
623 | (UINT8) Mode->DataBits,\r | |
624 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
625 | );\r | |
626 | \r | |
627 | if (EFI_ERROR (Status)) {\r | |
628 | TerminalDevice->SerialInTimeOut = 0;\r | |
629 | } else {\r | |
630 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
631 | }\r | |
632 | }\r | |
633 | //\r | |
634 | // check whether serial buffer is empty\r | |
635 | //\r | |
636 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
637 | \r | |
e49ef433 | 638 | if (0 != (Control & EFI_SERIAL_INPUT_BUFFER_EMPTY)) {\r |
95276127 | 639 | //\r |
640 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
641 | // according to different terminal type supported.\r | |
642 | //\r | |
643 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
644 | \r | |
645 | //\r | |
646 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
647 | // return directly.\r | |
648 | //\r | |
649 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
650 | return EFI_SUCCESS;\r | |
651 | } else {\r | |
652 | return EFI_NOT_READY;\r | |
653 | }\r | |
654 | }\r | |
655 | //\r | |
656 | // Fetch all the keys in the serial buffer,\r | |
657 | // and insert the byte stream into RawFIFO.\r | |
658 | //\r | |
659 | do {\r | |
660 | \r | |
661 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
662 | \r | |
663 | if (EFI_ERROR (Status)) {\r | |
664 | if (Status == EFI_DEVICE_ERROR) {\r | |
665 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
666 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 667 | PcdGet32 (PcdStatusCodeValueRemoteConsoleInputError),\r |
95276127 | 668 | TerminalDevice->DevicePath\r |
669 | );\r | |
670 | }\r | |
671 | break;\r | |
672 | }\r | |
673 | \r | |
674 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
675 | } while (TRUE);\r | |
676 | \r | |
677 | //\r | |
678 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
679 | // according to different terminal type supported.\r | |
680 | //\r | |
681 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
682 | \r | |
683 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
684 | return EFI_NOT_READY;\r | |
685 | }\r | |
686 | \r | |
687 | return EFI_SUCCESS;\r | |
688 | }\r | |
689 | \r | |
e49ef433 | 690 | /**\r |
691 | Get one key out of serial buffer.\r | |
692 | \r | |
693 | @param SerialIo Serial I/O protocl attached to the serial device.\r | |
694 | @param Output The fetched key.\r | |
695 | \r | |
696 | @return EFI_NOT_READY If serial buffer is empty.\r | |
697 | @return EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
698 | @return EFI_SUCCESS If reading serial buffer successfully, put\r | |
699 | the fetched key to the parameter output.\r | |
700 | \r | |
701 | **/\r | |
95276127 | 702 | EFI_STATUS\r |
703 | GetOneKeyFromSerial (\r | |
704 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
e49ef433 | 705 | UINT8 *Output\r |
95276127 | 706 | )\r |
95276127 | 707 | {\r |
708 | EFI_STATUS Status;\r | |
709 | UINTN Size;\r | |
710 | \r | |
711 | Size = 1;\r | |
e49ef433 | 712 | *Output = 0;\r |
95276127 | 713 | \r |
e49ef433 | 714 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
95276127 | 715 | \r |
716 | if (EFI_ERROR (Status)) {\r | |
717 | \r | |
718 | if (Status == EFI_TIMEOUT) {\r | |
719 | return EFI_NOT_READY;\r | |
720 | }\r | |
721 | \r | |
722 | return EFI_DEVICE_ERROR;\r | |
723 | \r | |
724 | }\r | |
725 | \r | |
e49ef433 | 726 | if (*Output == 0) {\r |
95276127 | 727 | return EFI_NOT_READY;\r |
728 | }\r | |
729 | \r | |
730 | return EFI_SUCCESS;\r | |
731 | }\r | |
732 | \r | |
e49ef433 | 733 | /**\r |
734 | Insert one byte raw data into the Raw Data FIFO.\r | |
735 | \r | |
736 | @param TerminalDevice Terminal driver private structure.\r | |
737 | @param Input The key will be input.\r | |
738 | \r | |
739 | @return TRUE If insert successfully.\r | |
740 | @return FLASE If Raw Data buffer is full before key insertion,\r | |
741 | and the key is lost.\r | |
742 | \r | |
743 | **/\r | |
95276127 | 744 | BOOLEAN\r |
745 | RawFiFoInsertOneKey (\r | |
746 | TERMINAL_DEV *TerminalDevice,\r | |
747 | UINT8 Input\r | |
748 | )\r | |
95276127 | 749 | {\r |
750 | UINT8 Tail;\r | |
751 | \r | |
752 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
753 | \r | |
754 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
755 | //\r | |
756 | // Raw FIFO is full\r | |
757 | //\r | |
758 | return FALSE;\r | |
759 | }\r | |
760 | \r | |
761 | TerminalDevice->RawFiFo.Data[Tail] = Input;\r | |
762 | \r | |
763 | TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
764 | \r | |
765 | return TRUE;\r | |
766 | }\r | |
767 | \r | |
e49ef433 | 768 | /**\r |
769 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
770 | \r | |
771 | @param TerminalDevice Terminal driver private structure.\r | |
772 | @param Output The key will be removed.\r | |
773 | \r | |
774 | @return TRUE If insert successfully.\r | |
775 | @return FLASE If Raw Data FIFO buffer is empty before remove operation.\r | |
776 | \r | |
777 | **/\r | |
95276127 | 778 | BOOLEAN\r |
779 | RawFiFoRemoveOneKey (\r | |
780 | TERMINAL_DEV *TerminalDevice,\r | |
781 | UINT8 *Output\r | |
782 | )\r | |
95276127 | 783 | {\r |
784 | UINT8 Head;\r | |
785 | \r | |
786 | Head = TerminalDevice->RawFiFo.Head;\r | |
787 | \r | |
788 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
789 | //\r | |
790 | // FIFO is empty\r | |
791 | //\r | |
792 | *Output = 0;\r | |
793 | return FALSE;\r | |
794 | }\r | |
795 | \r | |
796 | *Output = TerminalDevice->RawFiFo.Data[Head];\r | |
797 | \r | |
798 | TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
799 | \r | |
800 | return TRUE;\r | |
801 | }\r | |
802 | \r | |
e49ef433 | 803 | /**\r |
804 | Clarify whether Raw Data FIFO buffer is empty.\r | |
805 | \r | |
806 | @param TerminalDevice Terminal driver private structure\r | |
807 | \r | |
808 | @return TRUE If Raw Data FIFO buffer is empty.\r | |
809 | @return FLASE If Raw Data FIFO buffer is not empty.\r | |
810 | \r | |
811 | **/\r | |
95276127 | 812 | BOOLEAN\r |
813 | IsRawFiFoEmpty (\r | |
814 | TERMINAL_DEV *TerminalDevice\r | |
815 | )\r | |
95276127 | 816 | {\r |
817 | if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) {\r | |
818 | return TRUE;\r | |
819 | } else {\r | |
820 | return FALSE;\r | |
821 | }\r | |
822 | }\r | |
823 | \r | |
e49ef433 | 824 | /**\r |
825 | Clarify whether Raw Data FIFO buffer is full.\r | |
826 | \r | |
827 | @param TerminalDevice Terminal driver private structure\r | |
828 | \r | |
829 | @return TRUE If Raw Data FIFO buffer is full.\r | |
830 | @return FLASE If Raw Data FIFO buffer is not full.\r | |
831 | \r | |
832 | **/\r | |
95276127 | 833 | BOOLEAN\r |
834 | IsRawFiFoFull (\r | |
835 | TERMINAL_DEV *TerminalDevice\r | |
836 | )\r | |
95276127 | 837 | {\r |
838 | UINT8 Tail;\r | |
839 | UINT8 Head;\r | |
840 | \r | |
841 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
842 | Head = TerminalDevice->RawFiFo.Head;\r | |
843 | \r | |
844 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
845 | \r | |
846 | return TRUE;\r | |
847 | }\r | |
848 | \r | |
849 | return FALSE;\r | |
850 | }\r | |
851 | \r | |
e49ef433 | 852 | /**\r |
853 | Insert one pre-fetched key into the FIFO buffer.\r | |
854 | \r | |
855 | @param TerminalDevice Terminal driver private structure.\r | |
856 | @param Key The key will be input.\r | |
857 | \r | |
858 | @return TRUE If insert successfully.\r | |
859 | @return FLASE If FIFO buffer is full before key insertion,\r | |
860 | and the key is lost.\r | |
861 | \r | |
862 | **/\r | |
95276127 | 863 | BOOLEAN\r |
864 | EfiKeyFiFoInsertOneKey (\r | |
865 | TERMINAL_DEV *TerminalDevice,\r | |
866 | EFI_INPUT_KEY Key\r | |
867 | )\r | |
95276127 | 868 | {\r |
869 | UINT8 Tail;\r | |
870 | \r | |
871 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
872 | \r | |
873 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
874 | //\r | |
875 | // Efi Key FIFO is full\r | |
876 | //\r | |
877 | return FALSE;\r | |
878 | }\r | |
879 | \r | |
880 | TerminalDevice->EfiKeyFiFo.Data[Tail] = Key;\r | |
881 | \r | |
882 | TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
883 | \r | |
884 | return TRUE;\r | |
885 | }\r | |
886 | \r | |
e49ef433 | 887 | /**\r |
888 | Remove one pre-fetched key out of the FIFO buffer.\r | |
889 | \r | |
890 | @param TerminalDevice Terminal driver private structure.\r | |
891 | @param Output The key will be removed.\r | |
892 | \r | |
893 | @return TRUE If insert successfully.\r | |
894 | @return FLASE If FIFO buffer is empty before remove operation.\r | |
895 | \r | |
896 | **/\r | |
95276127 | 897 | BOOLEAN\r |
898 | EfiKeyFiFoRemoveOneKey (\r | |
899 | TERMINAL_DEV *TerminalDevice,\r | |
900 | EFI_INPUT_KEY *Output\r | |
901 | )\r | |
95276127 | 902 | {\r |
903 | UINT8 Head;\r | |
904 | \r | |
905 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
906 | \r | |
907 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
908 | //\r | |
909 | // FIFO is empty\r | |
910 | //\r | |
911 | Output->ScanCode = SCAN_NULL;\r | |
912 | Output->UnicodeChar = 0;\r | |
913 | return FALSE;\r | |
914 | }\r | |
915 | \r | |
916 | *Output = TerminalDevice->EfiKeyFiFo.Data[Head];\r | |
917 | \r | |
918 | TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
919 | \r | |
920 | return TRUE;\r | |
921 | }\r | |
922 | \r | |
e49ef433 | 923 | /**\r |
924 | Clarify whether FIFO buffer is empty.\r | |
925 | \r | |
926 | @param TerminalDevice Terminal driver private structure\r | |
927 | \r | |
928 | @return TRUE If FIFO buffer is empty.\r | |
929 | @return FLASE If FIFO buffer is not empty.\r | |
930 | \r | |
931 | **/\r | |
95276127 | 932 | BOOLEAN\r |
933 | IsEfiKeyFiFoEmpty (\r | |
934 | TERMINAL_DEV *TerminalDevice\r | |
935 | )\r | |
95276127 | 936 | {\r |
937 | if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) {\r | |
938 | return TRUE;\r | |
939 | } else {\r | |
940 | return FALSE;\r | |
941 | }\r | |
942 | }\r | |
943 | \r | |
e49ef433 | 944 | /**\r |
945 | Clarify whether FIFO buffer is full.\r | |
946 | \r | |
947 | @param TerminalDevice Terminal driver private structure\r | |
948 | \r | |
949 | @return TRUE If FIFO buffer is full.\r | |
950 | @return FLASE If FIFO buffer is not full.\r | |
951 | \r | |
952 | **/\r | |
95276127 | 953 | BOOLEAN\r |
954 | IsEfiKeyFiFoFull (\r | |
955 | TERMINAL_DEV *TerminalDevice\r | |
956 | )\r | |
95276127 | 957 | {\r |
958 | UINT8 Tail;\r | |
959 | UINT8 Head;\r | |
960 | \r | |
961 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
962 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
963 | \r | |
964 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
965 | \r | |
966 | return TRUE;\r | |
967 | }\r | |
968 | \r | |
969 | return FALSE;\r | |
970 | }\r | |
971 | \r | |
e49ef433 | 972 | /**\r |
973 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
974 | \r | |
975 | @param TerminalDevice Terminal driver private structure.\r | |
976 | @param Input The key will be input.\r | |
977 | \r | |
978 | @return TRUE If insert successfully.\r | |
979 | @return FLASE If Unicode FIFO buffer is full before key insertion,\r | |
980 | and the key is lost.\r | |
981 | \r | |
982 | **/\r | |
95276127 | 983 | BOOLEAN\r |
984 | UnicodeFiFoInsertOneKey (\r | |
985 | TERMINAL_DEV *TerminalDevice,\r | |
986 | UINT16 Input\r | |
987 | )\r | |
95276127 | 988 | {\r |
989 | UINT8 Tail;\r | |
990 | \r | |
991 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
992 | \r | |
993 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
994 | //\r | |
995 | // Unicode FIFO is full\r | |
996 | //\r | |
997 | return FALSE;\r | |
998 | }\r | |
999 | \r | |
1000 | TerminalDevice->UnicodeFiFo.Data[Tail] = Input;\r | |
1001 | \r | |
1002 | TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1003 | \r | |
1004 | return TRUE;\r | |
1005 | }\r | |
1006 | \r | |
e49ef433 | 1007 | /**\r |
1008 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
1009 | \r | |
1010 | @param TerminalDevice Terminal driver private structure.\r | |
1011 | @param Output The key will be removed.\r | |
1012 | \r | |
1013 | @return TRUE If insert successfully.\r | |
1014 | @return FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
1015 | \r | |
1016 | **/\r | |
95276127 | 1017 | BOOLEAN\r |
1018 | UnicodeFiFoRemoveOneKey (\r | |
1019 | TERMINAL_DEV *TerminalDevice,\r | |
1020 | UINT16 *Output\r | |
1021 | )\r | |
95276127 | 1022 | {\r |
1023 | UINT8 Head;\r | |
1024 | \r | |
1025 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1026 | \r | |
1027 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1028 | //\r | |
1029 | // FIFO is empty\r | |
1030 | //\r | |
1031 | Output = NULL;\r | |
1032 | return FALSE;\r | |
1033 | }\r | |
1034 | \r | |
1035 | *Output = TerminalDevice->UnicodeFiFo.Data[Head];\r | |
1036 | \r | |
1037 | TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1038 | \r | |
1039 | return TRUE;\r | |
1040 | }\r | |
1041 | \r | |
e49ef433 | 1042 | /**\r |
1043 | Clarify whether Unicode FIFO buffer is empty.\r | |
1044 | \r | |
1045 | @param TerminalDevice Terminal driver private structure\r | |
1046 | \r | |
1047 | @return TRUE If Unicode FIFO buffer is empty.\r | |
1048 | @return FLASE If Unicode FIFO buffer is not empty.\r | |
1049 | \r | |
1050 | **/\r | |
95276127 | 1051 | BOOLEAN\r |
1052 | IsUnicodeFiFoEmpty (\r | |
1053 | TERMINAL_DEV *TerminalDevice\r | |
1054 | )\r | |
95276127 | 1055 | {\r |
1056 | if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) {\r | |
1057 | return TRUE;\r | |
1058 | } else {\r | |
1059 | return FALSE;\r | |
1060 | }\r | |
1061 | }\r | |
1062 | \r | |
e49ef433 | 1063 | /**\r |
1064 | Clarify whether Unicode FIFO buffer is full.\r | |
1065 | \r | |
1066 | @param TerminalDevice Terminal driver private structure\r | |
1067 | \r | |
1068 | @return TRUE If Unicode FIFO buffer is full.\r | |
1069 | @return FLASE If Unicode FIFO buffer is not full.\r | |
1070 | \r | |
1071 | **/\r | |
95276127 | 1072 | BOOLEAN\r |
1073 | IsUnicodeFiFoFull (\r | |
1074 | TERMINAL_DEV *TerminalDevice\r | |
1075 | )\r | |
95276127 | 1076 | {\r |
1077 | UINT8 Tail;\r | |
1078 | UINT8 Head;\r | |
1079 | \r | |
1080 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1081 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1082 | \r | |
1083 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1084 | \r | |
1085 | return TRUE;\r | |
1086 | }\r | |
1087 | \r | |
1088 | return FALSE;\r | |
1089 | }\r | |
1090 | \r | |
1091 | UINT8\r | |
1092 | UnicodeFiFoGetKeyCount (\r | |
1093 | TERMINAL_DEV *TerminalDevice\r | |
1094 | )\r | |
1095 | {\r | |
1096 | UINT8 Tail;\r | |
1097 | UINT8 Head;\r | |
1098 | \r | |
1099 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1100 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1101 | \r | |
1102 | if (Tail >= Head) {\r | |
1103 | return (UINT8) (Tail - Head);\r | |
1104 | } else {\r | |
1105 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1106 | }\r | |
1107 | }\r | |
1108 | \r | |
95276127 | 1109 | VOID\r |
1110 | UnicodeToEfiKeyFlushState (\r | |
1111 | IN TERMINAL_DEV *TerminalDevice\r | |
1112 | )\r | |
1113 | {\r | |
1114 | EFI_INPUT_KEY Key;\r | |
1115 | \r | |
e49ef433 | 1116 | if (0 != (TerminalDevice->InputState & INPUT_STATE_ESC)) {\r |
95276127 | 1117 | Key.ScanCode = SCAN_ESC;\r |
1118 | Key.UnicodeChar = 0;\r | |
1119 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1120 | }\r | |
1121 | \r | |
e49ef433 | 1122 | if (0 != (TerminalDevice->InputState & INPUT_STATE_CSI)) {\r |
95276127 | 1123 | Key.ScanCode = SCAN_NULL;\r |
1124 | Key.UnicodeChar = CSI;\r | |
1125 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1126 | }\r | |
1127 | \r | |
e49ef433 | 1128 | if (0 != (TerminalDevice->InputState & INPUT_STATE_LEFTOPENBRACKET)) {\r |
95276127 | 1129 | Key.ScanCode = SCAN_NULL;\r |
1130 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1131 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1132 | }\r | |
1133 | \r | |
e49ef433 | 1134 | if (0 != (TerminalDevice->InputState & INPUT_STATE_O)) {\r |
95276127 | 1135 | Key.ScanCode = SCAN_NULL;\r |
1136 | Key.UnicodeChar = 'O';\r | |
1137 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1138 | }\r | |
1139 | \r | |
e49ef433 | 1140 | if (0 != (TerminalDevice->InputState & INPUT_STATE_2)) {\r |
95276127 | 1141 | Key.ScanCode = SCAN_NULL;\r |
1142 | Key.UnicodeChar = '2';\r | |
1143 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1144 | }\r | |
1145 | \r | |
1146 | gBS->SetTimer (\r | |
1147 | TerminalDevice->TwoSecondTimeOut,\r | |
1148 | TimerCancel,\r | |
1149 | 0\r | |
1150 | );\r | |
1151 | \r | |
1152 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1153 | }\r | |
1154 | \r | |
e49ef433 | 1155 | \r |
1156 | /**\r | |
1157 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
1158 | can be read through the Simple Input Protocol. The table below shows the keyboard\r | |
1159 | input mappings that this function supports. If the ESC sequence listed in one of the\r | |
1160 | columns is presented, then it is translated into the coorespoding EFI Scan Code. If a\r | |
1161 | matching sequence is not found, then the raw key strokes are converted into EFI Keys.\r | |
1162 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r | |
1163 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1164 | converted into EFI Keys.\r | |
1165 | There is one special input sequence that will force the system to reset.\r | |
1166 | This is ESC R ESC r ESC R.\r | |
1167 | \r | |
1168 | Symbols used in table below\r | |
1169 | ===========================\r | |
1170 | ESC = 0x1B\r | |
1171 | CSI = 0x9B\r | |
1172 | DEL = 0x7f\r | |
1173 | ^ = CTRL\r | |
1174 | \r | |
1175 | +=========+======+===========+==========+==========+\r | |
1176 | | | EFI | UEFI 2.0 | | |\r | |
1177 | | | Scan | | VT100+ | |\r | |
1178 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1179 | +=========+======+===========+==========+==========+\r | |
1180 | | NULL | 0x00 | | | |\r | |
1181 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1182 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1183 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1184 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1185 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1186 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1187 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1188 | | | | ESC [ L | | ESC [ L |\r | |
1189 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1190 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1191 | | | | | | ESC [ ? |\r | |
1192 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1193 | | | | | | ESC [ / |\r | |
1194 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1195 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1196 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1197 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1198 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1199 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1200 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1201 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1202 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1203 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1204 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1205 | | F11 | 0x15 | | ESC ! | |\r | |
1206 | | F12 | 0x16 | | ESC @ | |\r | |
1207 | +=========+======+===========+==========+==========+\r | |
1208 | \r | |
1209 | Special Mappings\r | |
1210 | ================\r | |
1211 | ESC R ESC r ESC R = Reset System\r | |
1212 | \r | |
1213 | \r | |
1214 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
1215 | \r | |
1216 | @return None\r | |
1217 | \r | |
1218 | **/\r | |
95276127 | 1219 | VOID\r |
1220 | UnicodeToEfiKey (\r | |
1221 | IN TERMINAL_DEV *TerminalDevice\r | |
1222 | )\r | |
95276127 | 1223 | {\r |
1224 | EFI_STATUS Status;\r | |
1225 | EFI_STATUS TimerStatus;\r | |
1226 | UINT16 UnicodeChar;\r | |
1227 | EFI_INPUT_KEY Key;\r | |
1228 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1229 | \r |
95276127 | 1230 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1231 | \r | |
1232 | if (!EFI_ERROR (TimerStatus)) {\r | |
1233 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1234 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1235 | }\r | |
1236 | \r | |
1237 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1238 | \r |
95276127 | 1239 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1240 | //\r | |
1241 | // Check to see if the 2 second timer has expired\r | |
1242 | //\r | |
1243 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1244 | if (!EFI_ERROR (TimerStatus)) {\r | |
1245 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1246 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1247 | }\r | |
1248 | }\r | |
1249 | \r | |
1250 | //\r | |
1251 | // Fetch one Unicode character from the Unicode FIFO\r | |
1252 | //\r | |
1253 | UnicodeFiFoRemoveOneKey (TerminalDevice,&UnicodeChar);\r | |
1254 | \r | |
1255 | SetDefaultResetState = TRUE;\r | |
1256 | \r | |
1257 | switch (TerminalDevice->InputState) {\r | |
1258 | case INPUT_STATE_DEFAULT:\r | |
1259 | \r | |
1260 | break;\r | |
1261 | \r | |
1262 | case INPUT_STATE_ESC:\r | |
1263 | \r | |
1264 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1265 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1266 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1267 | continue;\r | |
1268 | }\r | |
1269 | \r | |
e49ef433 | 1270 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1271 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
1272 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1273 | continue;\r | |
1274 | }\r | |
1275 | \r | |
1276 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1277 | \r |
e49ef433 | 1278 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
1279 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1280 | switch (UnicodeChar) {\r |
fb0b259e | 1281 | case '1':\r |
1282 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1283 | break;\r |
fb0b259e | 1284 | case '2':\r |
1285 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1286 | break;\r |
fb0b259e | 1287 | case '3':\r |
1288 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1289 | break;\r |
fb0b259e | 1290 | case '4':\r |
1291 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1292 | break;\r |
fb0b259e | 1293 | case '5':\r |
1294 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1295 | break;\r |
fb0b259e | 1296 | case '6':\r |
1297 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1298 | break;\r |
fb0b259e | 1299 | case '7':\r |
1300 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1301 | break;\r |
fb0b259e | 1302 | case '8':\r |
1303 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1304 | break;\r |
fb0b259e | 1305 | case '9':\r |
1306 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1307 | break;\r |
fb0b259e | 1308 | case '0':\r |
1309 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1310 | break;\r |
66aa04e4 | 1311 | case '!':\r |
1312 | Key.ScanCode = SCAN_F11;\r | |
1313 | break;\r | |
1314 | case '@':\r | |
1315 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1316 | break;\r |
fb0b259e | 1317 | case 'h':\r |
1318 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1319 | break;\r |
fb0b259e | 1320 | case 'k':\r |
1321 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1322 | break;\r |
fb0b259e | 1323 | case '+':\r |
1324 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1325 | break;\r |
fb0b259e | 1326 | case '-':\r |
1327 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1328 | break;\r |
fb0b259e | 1329 | case '/':\r |
1330 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1331 | break;\r | |
1332 | case '?':\r | |
1333 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1334 | break;\r | |
1335 | default :\r | |
95276127 | 1336 | break;\r |
1337 | }\r | |
1338 | }\r | |
fb0b259e | 1339 | \r |
95276127 | 1340 | switch (UnicodeChar) {\r |
fb0b259e | 1341 | case 'R':\r |
95276127 | 1342 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1343 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1344 | SetDefaultResetState = FALSE;\r | |
1345 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1346 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1347 | }\r | |
1348 | Key.ScanCode = SCAN_NULL;\r | |
1349 | break;\r | |
fb0b259e | 1350 | case 'r':\r |
95276127 | 1351 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1352 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1353 | SetDefaultResetState = FALSE;\r | |
1354 | }\r | |
1355 | Key.ScanCode = SCAN_NULL;\r | |
1356 | break;\r | |
fb0b259e | 1357 | default :\r |
95276127 | 1358 | break;\r |
1359 | }\r | |
1360 | \r | |
1361 | if (SetDefaultResetState) {\r | |
1362 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1363 | }\r | |
1364 | \r | |
1365 | if (Key.ScanCode != SCAN_NULL) {\r | |
1366 | Key.UnicodeChar = 0;\r | |
1367 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1368 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1369 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1370 | continue;\r | |
1371 | }\r | |
1372 | \r | |
1373 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1374 | \r | |
1375 | break;\r | |
1376 | \r | |
1377 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1378 | \r | |
1379 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1380 | \r | |
1381 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1382 | \r |
e49ef433 | 1383 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1384 | switch (UnicodeChar) {\r |
fb0b259e | 1385 | case 'P':\r |
1386 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1387 | break;\r |
fb0b259e | 1388 | case 'Q':\r |
1389 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1390 | break;\r |
fb0b259e | 1391 | case 'w':\r |
1392 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1393 | break;\r |
fb0b259e | 1394 | case 'x':\r |
1395 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1396 | break;\r |
fb0b259e | 1397 | case 't':\r |
1398 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1399 | break;\r |
fb0b259e | 1400 | case 'u':\r |
1401 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1402 | break;\r |
fb0b259e | 1403 | case 'q':\r |
1404 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1405 | break;\r |
fb0b259e | 1406 | case 'r':\r |
1407 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1408 | break;\r |
fb0b259e | 1409 | case 'p':\r |
1410 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1411 | break;\r |
fb0b259e | 1412 | case 'M':\r |
1413 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1414 | break;\r |
fb0b259e | 1415 | default :\r |
95276127 | 1416 | break;\r |
1417 | }\r | |
1418 | }\r | |
1419 | \r | |
1420 | if (Key.ScanCode != SCAN_NULL) {\r | |
1421 | Key.UnicodeChar = 0;\r | |
1422 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1423 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1424 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1425 | continue;\r | |
1426 | }\r | |
1427 | \r | |
1428 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1429 | \r | |
1430 | break;\r | |
1431 | \r | |
1432 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1433 | \r |
95276127 | 1434 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1435 | \r |
95276127 | 1436 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1437 | \r |
e49ef433 | 1438 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1439 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
1440 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
1441 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1442 | switch (UnicodeChar) {\r |
fb0b259e | 1443 | case 'A':\r |
1444 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1445 | break;\r |
fb0b259e | 1446 | case 'B':\r |
1447 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1448 | break;\r |
fb0b259e | 1449 | case 'C':\r |
1450 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1451 | break;\r |
fb0b259e | 1452 | case 'D':\r |
1453 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1454 | break;\r |
fb0b259e | 1455 | case 'H':\r |
e49ef433 | 1456 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1457 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1458 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1459 | }\r |
1460 | break;\r | |
fb0b259e | 1461 | case 'F':\r |
e49ef433 | 1462 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1463 | Key.ScanCode = SCAN_END;\r |
1464 | }\r | |
1465 | break;\r | |
fb0b259e | 1466 | case 'K':\r |
e49ef433 | 1467 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1468 | Key.ScanCode = SCAN_END;\r |
95276127 | 1469 | }\r |
1470 | break;\r | |
fb0b259e | 1471 | case 'L':\r |
1472 | case '@':\r | |
e49ef433 | 1473 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1474 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1475 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1476 | }\r |
1477 | break;\r | |
fb0b259e | 1478 | case 'X':\r |
e49ef433 | 1479 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1480 | Key.ScanCode = SCAN_DELETE;\r |
1481 | }\r | |
1482 | break;\r | |
fb0b259e | 1483 | case 'P':\r |
e49ef433 | 1484 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1485 | Key.ScanCode = SCAN_DELETE;\r |
e49ef433 | 1486 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1487 | Key.ScanCode = SCAN_F4;\r |
1488 | }\r | |
1489 | break;\r | |
fb0b259e | 1490 | case 'I':\r |
e49ef433 | 1491 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1492 | Key.ScanCode = SCAN_PAGE_UP;\r |
1493 | }\r | |
fb0b259e | 1494 | break;\r |
1495 | case 'V':\r | |
e49ef433 | 1496 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1497 | Key.ScanCode = SCAN_F10;\r |
fb0b259e | 1498 | }\r |
1499 | case '?':\r | |
e49ef433 | 1500 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1501 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1502 | }\r |
1503 | break;\r | |
fb0b259e | 1504 | case 'G':\r |
e49ef433 | 1505 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1506 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
1507 | }\r | |
fb0b259e | 1508 | break;\r |
1509 | case 'U':\r | |
e49ef433 | 1510 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1511 | Key.ScanCode = SCAN_F9;\r |
1512 | }\r | |
fb0b259e | 1513 | case '/':\r |
e49ef433 | 1514 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1515 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1516 | }\r |
1517 | break;\r | |
fb0b259e | 1518 | case 'M':\r |
e49ef433 | 1519 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1520 | Key.ScanCode = SCAN_F1;\r |
1521 | }\r | |
fb0b259e | 1522 | break;\r |
1523 | case 'N':\r | |
e49ef433 | 1524 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1525 | Key.ScanCode = SCAN_F2;\r |
1526 | }\r | |
fb0b259e | 1527 | break;\r |
1528 | case 'O':\r | |
e49ef433 | 1529 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1530 | Key.ScanCode = SCAN_F3;\r |
1531 | }\r | |
fb0b259e | 1532 | break;\r |
1533 | case 'Q':\r | |
e49ef433 | 1534 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1535 | Key.ScanCode = SCAN_F5;\r |
1536 | }\r | |
fb0b259e | 1537 | break;\r |
1538 | case 'R':\r | |
e49ef433 | 1539 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1540 | Key.ScanCode = SCAN_F6;\r |
1541 | }\r | |
fb0b259e | 1542 | break;\r |
1543 | case 'S':\r | |
e49ef433 | 1544 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1545 | Key.ScanCode = SCAN_F7;\r |
1546 | }\r | |
fb0b259e | 1547 | break;\r |
1548 | case 'T':\r | |
e49ef433 | 1549 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1550 | Key.ScanCode = SCAN_F8;\r |
1551 | }\r | |
fb0b259e | 1552 | break;\r |
1553 | default :\r | |
95276127 | 1554 | break;\r |
1555 | }\r | |
1556 | }\r | |
1557 | \r | |
1558 | if (Key.ScanCode != SCAN_NULL) {\r | |
1559 | Key.UnicodeChar = 0;\r | |
1560 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1561 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1562 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1563 | continue;\r | |
1564 | }\r | |
1565 | \r | |
1566 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1567 | \r | |
1568 | break;\r | |
1569 | \r | |
fb0b259e | 1570 | \r |
95276127 | 1571 | default:\r |
1572 | //\r | |
1573 | // Invalid state. This should never happen.\r | |
1574 | //\r | |
1575 | ASSERT (FALSE);\r | |
1576 | \r | |
1577 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1578 | \r | |
1579 | break;\r | |
1580 | }\r | |
1581 | \r | |
1582 | if (UnicodeChar == ESC) {\r | |
1583 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1584 | }\r | |
66aa04e4 | 1585 | \r |
1586 | if (UnicodeChar == CSI) {\r | |
1587 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1588 | }\r | |
fb0b259e | 1589 | \r |
95276127 | 1590 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1591 | Status = gBS->SetTimer(\r | |
1592 | TerminalDevice->TwoSecondTimeOut,\r | |
1593 | TimerRelative,\r | |
1594 | (UINT64)20000000\r | |
1595 | );\r | |
1596 | ASSERT_EFI_ERROR (Status);\r | |
1597 | continue;\r | |
1598 | }\r | |
1599 | \r | |
1600 | if (SetDefaultResetState) {\r | |
1601 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1602 | }\r | |
1603 | \r | |
1604 | if (UnicodeChar == DEL) {\r | |
1605 | Key.ScanCode = SCAN_DELETE;\r | |
1606 | Key.UnicodeChar = 0;\r | |
1607 | } else {\r | |
1608 | Key.ScanCode = SCAN_NULL;\r | |
1609 | Key.UnicodeChar = UnicodeChar;\r | |
1610 | }\r | |
1611 | \r | |
1612 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1613 | }\r | |
1614 | }\r |