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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 | |
8fd98315 | 94 | @return EFI_SUCCESS The reset operation succeeds.\r |
95 | @return EFI_DEVICE_ERROR The dependent serial port reset fails.\r | |
e49ef433 | 96 | \r |
97 | **/\r | |
95276127 | 98 | EFI_STATUS\r |
99 | EFIAPI\r | |
100 | TerminalConInReset (\r | |
101 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
102 | IN BOOLEAN ExtendedVerification\r | |
103 | )\r | |
95276127 | 104 | {\r |
105 | EFI_STATUS Status;\r | |
106 | TERMINAL_DEV *TerminalDevice;\r | |
107 | \r | |
108 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
109 | \r | |
110 | //\r | |
111 | // Report progress code here\r | |
112 | //\r | |
113 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
114 | EFI_PROGRESS_CODE,\r | |
97a079ed | 115 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r |
95276127 | 116 | TerminalDevice->DevicePath\r |
117 | );\r | |
118 | \r | |
119 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
120 | \r | |
121 | //\r | |
122 | // clear all the internal buffer for keys\r | |
123 | //\r | |
124 | InitializeRawFiFo (TerminalDevice);\r | |
125 | InitializeUnicodeFiFo (TerminalDevice);\r | |
126 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
127 | \r | |
128 | if (EFI_ERROR (Status)) {\r | |
129 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
130 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 131 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 132 | TerminalDevice->DevicePath\r |
133 | );\r | |
134 | }\r | |
135 | \r | |
136 | return Status;\r | |
137 | }\r | |
138 | \r | |
e49ef433 | 139 | /**\r |
140 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
141 | \r | |
8fd98315 | 142 | @param This Indicates the calling context.\r |
143 | @param Key A pointer to a buffer that is filled in with the\r | |
144 | keystroke information for the key that was sent\r | |
145 | from terminal.\r | |
e49ef433 | 146 | \r |
8fd98315 | 147 | @return EFI_SUCCESS The keystroke information is returned successfully.\r |
148 | @return EFI_NOT_READY There is no keystroke data available.\r | |
149 | @return EFI_DEVICE_ERROR The dependent serial device encounters error.\r | |
e49ef433 | 150 | \r |
151 | **/\r | |
95276127 | 152 | EFI_STATUS\r |
153 | EFIAPI\r | |
154 | TerminalConInReadKeyStroke (\r | |
155 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
156 | OUT EFI_INPUT_KEY *Key\r | |
157 | )\r | |
95276127 | 158 | {\r |
159 | TERMINAL_DEV *TerminalDevice;\r | |
160 | EFI_STATUS Status;\r | |
66aa04e4 | 161 | EFI_KEY_DATA KeyData;\r |
95276127 | 162 | \r |
95276127 | 163 | //\r |
164 | // get TERMINAL_DEV from "This" parameter.\r | |
165 | //\r | |
166 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
167 | \r | |
66aa04e4 | 168 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r |
95276127 | 169 | if (EFI_ERROR (Status)) {\r |
66aa04e4 | 170 | return Status;\r |
171 | }\r | |
172 | \r | |
173 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
174 | \r | |
175 | return EFI_SUCCESS;\r | |
176 | \r | |
177 | }\r | |
178 | \r | |
e49ef433 | 179 | /**\r |
8fd98315 | 180 | Check if the key already has been registered.\r |
e49ef433 | 181 | \r |
182 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
183 | keystroke state data for the key that was\r | |
184 | registered.\r | |
185 | @param InputData A pointer to a buffer that is filled in with the\r | |
186 | keystroke state data for the key that was\r | |
187 | pressed.\r | |
188 | \r | |
189 | @retval TRUE Key be pressed matches a registered key.\r | |
190 | @retval FLASE Match failed.\r | |
191 | \r | |
192 | **/\r | |
66aa04e4 | 193 | BOOLEAN\r |
194 | IsKeyRegistered (\r | |
195 | IN EFI_KEY_DATA *RegsiteredData,\r | |
196 | IN EFI_KEY_DATA *InputData\r | |
197 | )\r | |
66aa04e4 | 198 | {\r |
199 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
fb0b259e | 200 | \r |
66aa04e4 | 201 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r |
202 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r | |
fb0b259e | 203 | return FALSE;\r |
204 | }\r | |
205 | \r | |
66aa04e4 | 206 | return TRUE;\r |
207 | }\r | |
208 | \r | |
209 | \r | |
e49ef433 | 210 | \r |
211 | /**\r | |
212 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
213 | Signal the event if there is key available\r | |
214 | \r | |
215 | @param Event Indicates the event that invoke this function.\r | |
216 | @param Context Indicates the calling context.\r | |
217 | \r | |
218 | @return none.\r | |
219 | \r | |
220 | **/\r | |
66aa04e4 | 221 | VOID\r |
222 | EFIAPI\r | |
223 | TerminalConInWaitForKeyEx (\r | |
224 | IN EFI_EVENT Event,\r | |
225 | IN VOID *Context\r | |
226 | )\r | |
66aa04e4 | 227 | {\r |
228 | TERMINAL_DEV *TerminalDevice;\r | |
fb0b259e | 229 | \r |
66aa04e4 | 230 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (Context);\r |
231 | \r | |
232 | TerminalConInWaitForKey (Event, &TerminalDevice->SimpleInput);\r | |
233 | \r | |
234 | }\r | |
235 | \r | |
236 | //\r | |
237 | // Simple Text Input Ex protocol functions\r | |
238 | //\r | |
239 | \r | |
e49ef433 | 240 | /**\r |
241 | Reset the input device and optionaly run diagnostics\r | |
242 | \r | |
243 | @param This Protocol instance pointer.\r | |
244 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
245 | \r | |
246 | @retval EFI_SUCCESS The device was reset.\r | |
247 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
248 | not be reset.\r | |
249 | \r | |
250 | **/\r | |
66aa04e4 | 251 | EFI_STATUS\r |
252 | EFIAPI\r | |
253 | TerminalConInResetEx (\r | |
254 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
255 | IN BOOLEAN ExtendedVerification\r | |
256 | )\r | |
66aa04e4 | 257 | {\r |
258 | EFI_STATUS Status;\r | |
259 | TERMINAL_DEV *TerminalDevice;\r | |
260 | \r | |
261 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
262 | \r | |
263 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
264 | if (EFI_ERROR (Status)) {\r | |
265 | return EFI_DEVICE_ERROR;\r | |
95276127 | 266 | }\r |
267 | \r | |
66aa04e4 | 268 | return EFI_SUCCESS;\r |
fb0b259e | 269 | \r |
66aa04e4 | 270 | }\r |
271 | \r | |
e49ef433 | 272 | \r |
273 | /**\r | |
274 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
275 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
276 | \r | |
277 | @param This Protocol instance pointer.\r | |
278 | @param KeyData A pointer to a buffer that is filled in with the\r | |
279 | keystroke state data for the key that was\r | |
280 | pressed.\r | |
281 | \r | |
282 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
283 | @retval EFI_NOT_READY There was no keystroke data availiable.\r | |
284 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
285 | to hardware errors.\r | |
286 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
287 | \r | |
288 | **/\r | |
66aa04e4 | 289 | EFI_STATUS\r |
290 | EFIAPI\r | |
291 | TerminalConInReadKeyStrokeEx (\r | |
292 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
293 | OUT EFI_KEY_DATA *KeyData\r | |
294 | )\r | |
66aa04e4 | 295 | {\r |
296 | TERMINAL_DEV *TerminalDevice;\r | |
297 | \r | |
298 | if (KeyData == NULL) {\r | |
299 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 300 | }\r |
66aa04e4 | 301 | \r |
302 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
303 | \r | |
304 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
305 | \r | |
306 | }\r | |
307 | \r | |
e49ef433 | 308 | \r |
309 | /**\r | |
310 | Set certain state for the input device.\r | |
311 | \r | |
312 | @param This Protocol instance pointer.\r | |
313 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
314 | state for the input device.\r | |
315 | \r | |
316 | @retval EFI_SUCCESS The device state was set successfully.\r | |
317 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
318 | could not have the setting adjusted.\r | |
319 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
320 | state.\r | |
321 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
322 | \r | |
323 | **/\r | |
66aa04e4 | 324 | EFI_STATUS\r |
325 | EFIAPI\r | |
326 | TerminalConInSetState (\r | |
327 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
328 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
329 | )\r | |
66aa04e4 | 330 | {\r |
331 | if (KeyToggleState == NULL) {\r | |
332 | return EFI_INVALID_PARAMETER;\r | |
333 | }\r | |
95276127 | 334 | \r |
335 | return EFI_SUCCESS;\r | |
66aa04e4 | 336 | }\r |
95276127 | 337 | \r |
e49ef433 | 338 | \r |
339 | /**\r | |
340 | Register a notification function for a particular keystroke for the input device.\r | |
341 | \r | |
342 | @param This Protocol instance pointer.\r | |
343 | @param KeyData A pointer to a buffer that is filled in with the\r | |
344 | keystroke information data for the key that was\r | |
345 | pressed.\r | |
346 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
347 | sequence is typed specified by KeyData.\r | |
348 | @param NotifyHandle Points to the unique handle assigned to the\r | |
349 | registered notification.\r | |
350 | \r | |
351 | @retval EFI_SUCCESS The notification function was registered\r | |
352 | successfully.\r | |
353 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data\r | |
354 | structures.\r | |
355 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
356 | \r | |
357 | **/\r | |
66aa04e4 | 358 | EFI_STATUS\r |
359 | EFIAPI\r | |
360 | TerminalConInRegisterKeyNotify (\r | |
361 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
362 | IN EFI_KEY_DATA *KeyData,\r | |
363 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
364 | OUT EFI_HANDLE *NotifyHandle\r | |
365 | )\r | |
66aa04e4 | 366 | {\r |
367 | EFI_STATUS Status;\r | |
368 | TERMINAL_DEV *TerminalDevice;\r | |
369 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
370 | LIST_ENTRY *Link;\r | |
fb0b259e | 371 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
66aa04e4 | 372 | \r |
373 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
374 | return EFI_INVALID_PARAMETER;\r | |
375 | }\r | |
376 | \r | |
377 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
378 | \r | |
379 | //\r | |
380 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
381 | //\r | |
382 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
383 | CurrentNotify = CR (\r | |
fb0b259e | 384 | Link,\r |
385 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
386 | NotifyEntry,\r | |
66aa04e4 | 387 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
388 | );\r | |
fb0b259e | 389 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 390 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
fb0b259e | 391 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
66aa04e4 | 392 | return EFI_SUCCESS;\r |
393 | }\r | |
394 | }\r | |
395 | }\r | |
396 | \r | |
397 | //\r | |
398 | // Allocate resource to save the notification function\r | |
fb0b259e | 399 | //\r |
66aa04e4 | 400 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
401 | if (NewNotify == NULL) {\r | |
402 | return EFI_OUT_OF_RESOURCES;\r | |
fb0b259e | 403 | }\r |
66aa04e4 | 404 | \r |
fb0b259e | 405 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
66aa04e4 | 406 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
407 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r | |
408 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r | |
409 | //\r | |
410 | // Use gSimpleTextInExNotifyGuid to get a valid EFI_HANDLE\r | |
fb0b259e | 411 | //\r |
66aa04e4 | 412 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
413 | &NewNotify->NotifyHandle,\r | |
414 | &gSimpleTextInExNotifyGuid,\r | |
415 | NULL,\r | |
416 | NULL\r | |
417 | );\r | |
418 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 419 | *NotifyHandle = NewNotify->NotifyHandle;\r |
66aa04e4 | 420 | \r |
421 | return EFI_SUCCESS;\r | |
95276127 | 422 | }\r |
423 | \r | |
e49ef433 | 424 | \r |
425 | /**\r | |
426 | Remove a registered notification function from a particular keystroke.\r | |
427 | \r | |
428 | @param This Protocol instance pointer.\r | |
429 | @param NotificationHandle The handle of the notification function being\r | |
430 | unregistered.\r | |
431 | \r | |
432 | @retval EFI_SUCCESS The notification function was unregistered\r | |
433 | successfully.\r | |
434 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
435 | @retval EFI_NOT_FOUND Can not find the matching entry in database.\r | |
436 | \r | |
437 | **/\r | |
66aa04e4 | 438 | EFI_STATUS\r |
439 | EFIAPI\r | |
440 | TerminalConInUnregisterKeyNotify (\r | |
441 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
442 | IN EFI_HANDLE NotificationHandle\r | |
443 | )\r | |
66aa04e4 | 444 | {\r |
445 | EFI_STATUS Status;\r | |
446 | TERMINAL_DEV *TerminalDevice;\r | |
447 | LIST_ENTRY *Link;\r | |
448 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
449 | \r | |
450 | if (NotificationHandle == NULL) {\r | |
451 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 452 | }\r |
453 | \r | |
66aa04e4 | 454 | Status = gBS->OpenProtocol (\r |
455 | NotificationHandle,\r | |
456 | &gSimpleTextInExNotifyGuid,\r | |
457 | NULL,\r | |
458 | NULL,\r | |
459 | NULL,\r | |
460 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
461 | );\r | |
462 | if (EFI_ERROR (Status)) {\r | |
463 | return EFI_INVALID_PARAMETER;\r | |
464 | }\r | |
465 | \r | |
466 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
467 | \r | |
468 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
469 | CurrentNotify = CR (\r | |
fb0b259e | 470 | Link,\r |
471 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
472 | NotifyEntry,\r | |
66aa04e4 | 473 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
474 | );\r | |
475 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r | |
476 | //\r | |
477 | // Remove the notification function from NotifyList and free resources\r | |
478 | //\r | |
fb0b259e | 479 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
66aa04e4 | 480 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
481 | CurrentNotify->NotifyHandle,\r | |
482 | &gSimpleTextInExNotifyGuid,\r | |
483 | NULL,\r | |
484 | NULL\r | |
485 | );\r | |
486 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 487 | gBS->FreePool (CurrentNotify);\r |
66aa04e4 | 488 | return EFI_SUCCESS;\r |
489 | }\r | |
490 | }\r | |
fb0b259e | 491 | \r |
492 | return EFI_NOT_FOUND;\r | |
66aa04e4 | 493 | }\r |
494 | \r | |
e49ef433 | 495 | /**\r |
8fd98315 | 496 | Translate raw data into Unicode (according to different encode), and \r |
e49ef433 | 497 | translate Unicode into key information. (according to different standard). \r |
66aa04e4 | 498 | \r |
e49ef433 | 499 | @param TerminalDevice Terminal driver private structure.\r |
500 | \r | |
501 | @return none.\r | |
502 | \r | |
503 | **/\r | |
95276127 | 504 | VOID\r |
505 | TranslateRawDataToEfiKey (\r | |
506 | IN TERMINAL_DEV *TerminalDevice\r | |
507 | )\r | |
95276127 | 508 | {\r |
509 | switch (TerminalDevice->TerminalType) {\r | |
510 | \r | |
e49ef433 | 511 | case PCANSITYPE:\r |
512 | case VT100TYPE:\r | |
513 | case VT100PLUSTYPE:\r | |
95276127 | 514 | AnsiRawDataToUnicode (TerminalDevice);\r |
515 | UnicodeToEfiKey (TerminalDevice);\r | |
516 | break;\r | |
517 | \r | |
e49ef433 | 518 | case VTUTF8TYPE:\r |
95276127 | 519 | //\r |
520 | // Process all the raw data in the RawFIFO,\r | |
521 | // put the processed key into UnicodeFIFO.\r | |
522 | //\r | |
523 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
524 | \r | |
525 | //\r | |
526 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
527 | // then put into EfiKeyFIFO.\r | |
528 | //\r | |
529 | UnicodeToEfiKey (TerminalDevice);\r | |
530 | \r | |
531 | break;\r | |
532 | }\r | |
533 | }\r | |
534 | \r | |
e49ef433 | 535 | /**\r |
536 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
537 | Signal the event if there is key available\r | |
538 | \r | |
539 | @param Event Indicates the event that invoke this function.\r | |
540 | @param Context Indicates the calling context.\r | |
541 | \r | |
542 | @return None\r | |
543 | \r | |
544 | **/\r | |
95276127 | 545 | VOID\r |
546 | EFIAPI\r | |
547 | TerminalConInWaitForKey (\r | |
548 | IN EFI_EVENT Event,\r | |
549 | IN VOID *Context\r | |
550 | )\r | |
95276127 | 551 | {\r |
552 | //\r | |
553 | // Someone is waiting on the keystroke event, if there's\r | |
554 | // a key pending, signal the event\r | |
555 | //\r | |
556 | // Context is the pointer to EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r | |
557 | //\r | |
558 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
559 | \r | |
560 | gBS->SignalEvent (Event);\r | |
561 | }\r | |
562 | }\r | |
563 | \r | |
fb0b259e | 564 | \r |
e49ef433 | 565 | /**\r |
566 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
fb0b259e | 567 | \r |
e49ef433 | 568 | @param This Indicates the calling context.\r |
fb0b259e | 569 | \r |
8fd98315 | 570 | @retval EFI_SUCCESS There is key pending.\r |
571 | @retval EFI_NOT_READY There is no key pending.\r | |
572 | @retval EFI_DEVICE_ERROR If Serial IO is not attched to serial device.\r | |
fb0b259e | 573 | \r |
e49ef433 | 574 | **/\r |
575 | EFI_STATUS\r | |
576 | TerminalConInCheckForKey (\r | |
577 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
578 | )\r | |
95276127 | 579 | {\r |
580 | EFI_STATUS Status;\r | |
581 | TERMINAL_DEV *TerminalDevice;\r | |
582 | UINT32 Control;\r | |
583 | UINT8 Input;\r | |
584 | EFI_SERIAL_IO_MODE *Mode;\r | |
585 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
586 | UINTN SerialInTimeOut;\r | |
587 | \r | |
588 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
589 | \r | |
590 | SerialIo = TerminalDevice->SerialIo;\r | |
591 | if (SerialIo == NULL) {\r | |
592 | return EFI_DEVICE_ERROR;\r | |
593 | }\r | |
594 | //\r | |
595 | // if current timeout value for serial device is not identical with\r | |
596 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
597 | // timeout value again and set serial attribute according to this value.\r | |
598 | //\r | |
599 | Mode = SerialIo->Mode;\r | |
600 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
601 | \r | |
602 | SerialInTimeOut = 0;\r | |
603 | if (Mode->BaudRate != 0) {\r | |
604 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r | |
605 | }\r | |
606 | \r | |
607 | Status = SerialIo->SetAttributes (\r | |
608 | SerialIo,\r | |
609 | Mode->BaudRate,\r | |
610 | Mode->ReceiveFifoDepth,\r | |
611 | (UINT32) SerialInTimeOut,\r | |
612 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
613 | (UINT8) Mode->DataBits,\r | |
614 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
615 | );\r | |
616 | \r | |
617 | if (EFI_ERROR (Status)) {\r | |
618 | TerminalDevice->SerialInTimeOut = 0;\r | |
619 | } else {\r | |
620 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
621 | }\r | |
622 | }\r | |
623 | //\r | |
624 | // check whether serial buffer is empty\r | |
625 | //\r | |
626 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
627 | \r | |
e49ef433 | 628 | if (0 != (Control & EFI_SERIAL_INPUT_BUFFER_EMPTY)) {\r |
95276127 | 629 | //\r |
630 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
631 | // according to different terminal type supported.\r | |
632 | //\r | |
633 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
634 | \r | |
635 | //\r | |
636 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
637 | // return directly.\r | |
638 | //\r | |
639 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
640 | return EFI_SUCCESS;\r | |
641 | } else {\r | |
642 | return EFI_NOT_READY;\r | |
643 | }\r | |
644 | }\r | |
645 | //\r | |
646 | // Fetch all the keys in the serial buffer,\r | |
647 | // and insert the byte stream into RawFIFO.\r | |
648 | //\r | |
649 | do {\r | |
650 | \r | |
651 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
652 | \r | |
653 | if (EFI_ERROR (Status)) {\r | |
654 | if (Status == EFI_DEVICE_ERROR) {\r | |
655 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
656 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 657 | PcdGet32 (PcdStatusCodeValueRemoteConsoleInputError),\r |
95276127 | 658 | TerminalDevice->DevicePath\r |
659 | );\r | |
660 | }\r | |
661 | break;\r | |
662 | }\r | |
663 | \r | |
664 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
665 | } while (TRUE);\r | |
666 | \r | |
667 | //\r | |
668 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
669 | // according to different terminal type supported.\r | |
670 | //\r | |
671 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
672 | \r | |
673 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
674 | return EFI_NOT_READY;\r | |
675 | }\r | |
676 | \r | |
677 | return EFI_SUCCESS;\r | |
678 | }\r | |
679 | \r | |
e49ef433 | 680 | /**\r |
681 | Get one key out of serial buffer.\r | |
682 | \r | |
683 | @param SerialIo Serial I/O protocl attached to the serial device.\r | |
684 | @param Output The fetched key.\r | |
685 | \r | |
686 | @return EFI_NOT_READY If serial buffer is empty.\r | |
687 | @return EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
688 | @return EFI_SUCCESS If reading serial buffer successfully, put\r | |
689 | the fetched key to the parameter output.\r | |
690 | \r | |
691 | **/\r | |
95276127 | 692 | EFI_STATUS\r |
693 | GetOneKeyFromSerial (\r | |
694 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
e49ef433 | 695 | UINT8 *Output\r |
95276127 | 696 | )\r |
95276127 | 697 | {\r |
698 | EFI_STATUS Status;\r | |
699 | UINTN Size;\r | |
700 | \r | |
701 | Size = 1;\r | |
e49ef433 | 702 | *Output = 0;\r |
95276127 | 703 | \r |
e49ef433 | 704 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
95276127 | 705 | \r |
706 | if (EFI_ERROR (Status)) {\r | |
707 | \r | |
708 | if (Status == EFI_TIMEOUT) {\r | |
709 | return EFI_NOT_READY;\r | |
710 | }\r | |
711 | \r | |
712 | return EFI_DEVICE_ERROR;\r | |
713 | \r | |
714 | }\r | |
715 | \r | |
e49ef433 | 716 | if (*Output == 0) {\r |
95276127 | 717 | return EFI_NOT_READY;\r |
718 | }\r | |
719 | \r | |
720 | return EFI_SUCCESS;\r | |
721 | }\r | |
722 | \r | |
e49ef433 | 723 | /**\r |
724 | Insert one byte raw data into the Raw Data FIFO.\r | |
725 | \r | |
726 | @param TerminalDevice Terminal driver private structure.\r | |
727 | @param Input The key will be input.\r | |
728 | \r | |
729 | @return TRUE If insert successfully.\r | |
730 | @return FLASE If Raw Data buffer is full before key insertion,\r | |
731 | and the key is lost.\r | |
732 | \r | |
733 | **/\r | |
95276127 | 734 | BOOLEAN\r |
735 | RawFiFoInsertOneKey (\r | |
736 | TERMINAL_DEV *TerminalDevice,\r | |
737 | UINT8 Input\r | |
738 | )\r | |
95276127 | 739 | {\r |
740 | UINT8 Tail;\r | |
741 | \r | |
742 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
743 | \r | |
744 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
745 | //\r | |
746 | // Raw FIFO is full\r | |
747 | //\r | |
748 | return FALSE;\r | |
749 | }\r | |
750 | \r | |
751 | TerminalDevice->RawFiFo.Data[Tail] = Input;\r | |
752 | \r | |
753 | TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
754 | \r | |
755 | return TRUE;\r | |
756 | }\r | |
757 | \r | |
e49ef433 | 758 | /**\r |
759 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
760 | \r | |
761 | @param TerminalDevice Terminal driver private structure.\r | |
762 | @param Output The key will be removed.\r | |
763 | \r | |
764 | @return TRUE If insert successfully.\r | |
765 | @return FLASE If Raw Data FIFO buffer is empty before remove operation.\r | |
766 | \r | |
767 | **/\r | |
95276127 | 768 | BOOLEAN\r |
769 | RawFiFoRemoveOneKey (\r | |
770 | TERMINAL_DEV *TerminalDevice,\r | |
771 | UINT8 *Output\r | |
772 | )\r | |
95276127 | 773 | {\r |
774 | UINT8 Head;\r | |
775 | \r | |
776 | Head = TerminalDevice->RawFiFo.Head;\r | |
777 | \r | |
778 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
779 | //\r | |
780 | // FIFO is empty\r | |
781 | //\r | |
782 | *Output = 0;\r | |
783 | return FALSE;\r | |
784 | }\r | |
785 | \r | |
786 | *Output = TerminalDevice->RawFiFo.Data[Head];\r | |
787 | \r | |
788 | TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
789 | \r | |
790 | return TRUE;\r | |
791 | }\r | |
792 | \r | |
e49ef433 | 793 | /**\r |
794 | Clarify whether Raw Data FIFO buffer is empty.\r | |
795 | \r | |
796 | @param TerminalDevice Terminal driver private structure\r | |
797 | \r | |
798 | @return TRUE If Raw Data FIFO buffer is empty.\r | |
799 | @return FLASE If Raw Data FIFO buffer is not empty.\r | |
800 | \r | |
801 | **/\r | |
95276127 | 802 | BOOLEAN\r |
803 | IsRawFiFoEmpty (\r | |
804 | TERMINAL_DEV *TerminalDevice\r | |
805 | )\r | |
95276127 | 806 | {\r |
807 | if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) {\r | |
808 | return TRUE;\r | |
809 | } else {\r | |
810 | return FALSE;\r | |
811 | }\r | |
812 | }\r | |
813 | \r | |
e49ef433 | 814 | /**\r |
815 | Clarify whether Raw Data FIFO buffer is full.\r | |
816 | \r | |
817 | @param TerminalDevice Terminal driver private structure\r | |
818 | \r | |
819 | @return TRUE If Raw Data FIFO buffer is full.\r | |
820 | @return FLASE If Raw Data FIFO buffer is not full.\r | |
821 | \r | |
822 | **/\r | |
95276127 | 823 | BOOLEAN\r |
824 | IsRawFiFoFull (\r | |
825 | TERMINAL_DEV *TerminalDevice\r | |
826 | )\r | |
95276127 | 827 | {\r |
828 | UINT8 Tail;\r | |
829 | UINT8 Head;\r | |
830 | \r | |
831 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
832 | Head = TerminalDevice->RawFiFo.Head;\r | |
833 | \r | |
834 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
835 | \r | |
836 | return TRUE;\r | |
837 | }\r | |
838 | \r | |
839 | return FALSE;\r | |
840 | }\r | |
841 | \r | |
e49ef433 | 842 | /**\r |
843 | Insert one pre-fetched key into the FIFO buffer.\r | |
844 | \r | |
845 | @param TerminalDevice Terminal driver private structure.\r | |
846 | @param Key The key will be input.\r | |
847 | \r | |
848 | @return TRUE If insert successfully.\r | |
849 | @return FLASE If FIFO buffer is full before key insertion,\r | |
850 | and the key is lost.\r | |
851 | \r | |
852 | **/\r | |
95276127 | 853 | BOOLEAN\r |
854 | EfiKeyFiFoInsertOneKey (\r | |
855 | TERMINAL_DEV *TerminalDevice,\r | |
856 | EFI_INPUT_KEY Key\r | |
857 | )\r | |
95276127 | 858 | {\r |
859 | UINT8 Tail;\r | |
860 | \r | |
861 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
862 | \r | |
863 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
864 | //\r | |
865 | // Efi Key FIFO is full\r | |
866 | //\r | |
867 | return FALSE;\r | |
868 | }\r | |
869 | \r | |
870 | TerminalDevice->EfiKeyFiFo.Data[Tail] = Key;\r | |
871 | \r | |
872 | TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
873 | \r | |
874 | return TRUE;\r | |
875 | }\r | |
876 | \r | |
e49ef433 | 877 | /**\r |
878 | Remove one pre-fetched key out of the FIFO buffer.\r | |
879 | \r | |
880 | @param TerminalDevice Terminal driver private structure.\r | |
881 | @param Output The key will be removed.\r | |
882 | \r | |
883 | @return TRUE If insert successfully.\r | |
884 | @return FLASE If FIFO buffer is empty before remove operation.\r | |
885 | \r | |
886 | **/\r | |
95276127 | 887 | BOOLEAN\r |
888 | EfiKeyFiFoRemoveOneKey (\r | |
889 | TERMINAL_DEV *TerminalDevice,\r | |
890 | EFI_INPUT_KEY *Output\r | |
891 | )\r | |
95276127 | 892 | {\r |
893 | UINT8 Head;\r | |
894 | \r | |
895 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
896 | \r | |
897 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
898 | //\r | |
899 | // FIFO is empty\r | |
900 | //\r | |
901 | Output->ScanCode = SCAN_NULL;\r | |
902 | Output->UnicodeChar = 0;\r | |
903 | return FALSE;\r | |
904 | }\r | |
905 | \r | |
906 | *Output = TerminalDevice->EfiKeyFiFo.Data[Head];\r | |
907 | \r | |
908 | TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
909 | \r | |
910 | return TRUE;\r | |
911 | }\r | |
912 | \r | |
e49ef433 | 913 | /**\r |
914 | Clarify whether FIFO buffer is empty.\r | |
915 | \r | |
916 | @param TerminalDevice Terminal driver private structure\r | |
917 | \r | |
918 | @return TRUE If FIFO buffer is empty.\r | |
919 | @return FLASE If FIFO buffer is not empty.\r | |
920 | \r | |
921 | **/\r | |
95276127 | 922 | BOOLEAN\r |
923 | IsEfiKeyFiFoEmpty (\r | |
924 | TERMINAL_DEV *TerminalDevice\r | |
925 | )\r | |
95276127 | 926 | {\r |
927 | if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) {\r | |
928 | return TRUE;\r | |
929 | } else {\r | |
930 | return FALSE;\r | |
931 | }\r | |
932 | }\r | |
933 | \r | |
e49ef433 | 934 | /**\r |
935 | Clarify whether FIFO buffer is full.\r | |
936 | \r | |
937 | @param TerminalDevice Terminal driver private structure\r | |
938 | \r | |
939 | @return TRUE If FIFO buffer is full.\r | |
940 | @return FLASE If FIFO buffer is not full.\r | |
941 | \r | |
942 | **/\r | |
95276127 | 943 | BOOLEAN\r |
944 | IsEfiKeyFiFoFull (\r | |
945 | TERMINAL_DEV *TerminalDevice\r | |
946 | )\r | |
95276127 | 947 | {\r |
948 | UINT8 Tail;\r | |
949 | UINT8 Head;\r | |
950 | \r | |
951 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
952 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
953 | \r | |
954 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
955 | \r | |
956 | return TRUE;\r | |
957 | }\r | |
958 | \r | |
959 | return FALSE;\r | |
960 | }\r | |
961 | \r | |
e49ef433 | 962 | /**\r |
963 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
964 | \r | |
965 | @param TerminalDevice Terminal driver private structure.\r | |
966 | @param Input The key will be input.\r | |
967 | \r | |
968 | @return TRUE If insert successfully.\r | |
969 | @return FLASE If Unicode FIFO buffer is full before key insertion,\r | |
970 | and the key is lost.\r | |
971 | \r | |
972 | **/\r | |
95276127 | 973 | BOOLEAN\r |
974 | UnicodeFiFoInsertOneKey (\r | |
975 | TERMINAL_DEV *TerminalDevice,\r | |
976 | UINT16 Input\r | |
977 | )\r | |
95276127 | 978 | {\r |
979 | UINT8 Tail;\r | |
980 | \r | |
981 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
982 | \r | |
983 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
984 | //\r | |
985 | // Unicode FIFO is full\r | |
986 | //\r | |
987 | return FALSE;\r | |
988 | }\r | |
989 | \r | |
990 | TerminalDevice->UnicodeFiFo.Data[Tail] = Input;\r | |
991 | \r | |
992 | TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
993 | \r | |
994 | return TRUE;\r | |
995 | }\r | |
996 | \r | |
e49ef433 | 997 | /**\r |
998 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
999 | \r | |
1000 | @param TerminalDevice Terminal driver private structure.\r | |
1001 | @param Output The key will be removed.\r | |
1002 | \r | |
1003 | @return TRUE If insert successfully.\r | |
1004 | @return FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
1005 | \r | |
1006 | **/\r | |
95276127 | 1007 | BOOLEAN\r |
1008 | UnicodeFiFoRemoveOneKey (\r | |
1009 | TERMINAL_DEV *TerminalDevice,\r | |
1010 | UINT16 *Output\r | |
1011 | )\r | |
95276127 | 1012 | {\r |
1013 | UINT8 Head;\r | |
1014 | \r | |
1015 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1016 | \r | |
1017 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1018 | //\r | |
1019 | // FIFO is empty\r | |
1020 | //\r | |
1021 | Output = NULL;\r | |
1022 | return FALSE;\r | |
1023 | }\r | |
1024 | \r | |
1025 | *Output = TerminalDevice->UnicodeFiFo.Data[Head];\r | |
1026 | \r | |
1027 | TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1028 | \r | |
1029 | return TRUE;\r | |
1030 | }\r | |
1031 | \r | |
e49ef433 | 1032 | /**\r |
1033 | Clarify whether Unicode FIFO buffer is empty.\r | |
1034 | \r | |
1035 | @param TerminalDevice Terminal driver private structure\r | |
1036 | \r | |
1037 | @return TRUE If Unicode FIFO buffer is empty.\r | |
1038 | @return FLASE If Unicode FIFO buffer is not empty.\r | |
1039 | \r | |
1040 | **/\r | |
95276127 | 1041 | BOOLEAN\r |
1042 | IsUnicodeFiFoEmpty (\r | |
1043 | TERMINAL_DEV *TerminalDevice\r | |
1044 | )\r | |
95276127 | 1045 | {\r |
1046 | if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) {\r | |
1047 | return TRUE;\r | |
1048 | } else {\r | |
1049 | return FALSE;\r | |
1050 | }\r | |
1051 | }\r | |
1052 | \r | |
e49ef433 | 1053 | /**\r |
1054 | Clarify whether Unicode FIFO buffer is full.\r | |
1055 | \r | |
1056 | @param TerminalDevice Terminal driver private structure\r | |
1057 | \r | |
1058 | @return TRUE If Unicode FIFO buffer is full.\r | |
1059 | @return FLASE If Unicode FIFO buffer is not full.\r | |
1060 | \r | |
1061 | **/\r | |
95276127 | 1062 | BOOLEAN\r |
1063 | IsUnicodeFiFoFull (\r | |
1064 | TERMINAL_DEV *TerminalDevice\r | |
1065 | )\r | |
95276127 | 1066 | {\r |
1067 | UINT8 Tail;\r | |
1068 | UINT8 Head;\r | |
1069 | \r | |
1070 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1071 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1072 | \r | |
1073 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1074 | \r | |
1075 | return TRUE;\r | |
1076 | }\r | |
1077 | \r | |
1078 | return FALSE;\r | |
1079 | }\r | |
1080 | \r | |
8fd98315 | 1081 | /**\r |
1082 | Count Unicode FIFO buffer.\r | |
1083 | \r | |
1084 | @param TerminalDevice Terminal driver private structure\r | |
1085 | \r | |
1086 | @return The count in bytes of Unicode FIFO.\r | |
1087 | \r | |
1088 | **/\r | |
95276127 | 1089 | UINT8\r |
1090 | UnicodeFiFoGetKeyCount (\r | |
1091 | TERMINAL_DEV *TerminalDevice\r | |
1092 | )\r | |
1093 | {\r | |
1094 | UINT8 Tail;\r | |
1095 | UINT8 Head;\r | |
1096 | \r | |
1097 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1098 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1099 | \r | |
1100 | if (Tail >= Head) {\r | |
1101 | return (UINT8) (Tail - Head);\r | |
1102 | } else {\r | |
1103 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1104 | }\r | |
1105 | }\r | |
1106 | \r | |
8fd98315 | 1107 | /**\r |
1108 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
1109 | \r | |
1110 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
1111 | \r | |
1112 | @return None.\r | |
1113 | \r | |
1114 | **/\r | |
95276127 | 1115 | VOID\r |
1116 | UnicodeToEfiKeyFlushState (\r | |
1117 | IN TERMINAL_DEV *TerminalDevice\r | |
1118 | )\r | |
1119 | {\r | |
1120 | EFI_INPUT_KEY Key;\r | |
1121 | \r | |
e49ef433 | 1122 | if (0 != (TerminalDevice->InputState & INPUT_STATE_ESC)) {\r |
95276127 | 1123 | Key.ScanCode = SCAN_ESC;\r |
1124 | Key.UnicodeChar = 0;\r | |
1125 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1126 | }\r | |
1127 | \r | |
e49ef433 | 1128 | if (0 != (TerminalDevice->InputState & INPUT_STATE_CSI)) {\r |
95276127 | 1129 | Key.ScanCode = SCAN_NULL;\r |
1130 | Key.UnicodeChar = CSI;\r | |
1131 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1132 | }\r | |
1133 | \r | |
e49ef433 | 1134 | if (0 != (TerminalDevice->InputState & INPUT_STATE_LEFTOPENBRACKET)) {\r |
95276127 | 1135 | Key.ScanCode = SCAN_NULL;\r |
1136 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1137 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1138 | }\r | |
1139 | \r | |
e49ef433 | 1140 | if (0 != (TerminalDevice->InputState & INPUT_STATE_O)) {\r |
95276127 | 1141 | Key.ScanCode = SCAN_NULL;\r |
1142 | Key.UnicodeChar = 'O';\r | |
1143 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1144 | }\r | |
1145 | \r | |
e49ef433 | 1146 | if (0 != (TerminalDevice->InputState & INPUT_STATE_2)) {\r |
95276127 | 1147 | Key.ScanCode = SCAN_NULL;\r |
1148 | Key.UnicodeChar = '2';\r | |
1149 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1150 | }\r | |
1151 | \r | |
1152 | gBS->SetTimer (\r | |
1153 | TerminalDevice->TwoSecondTimeOut,\r | |
1154 | TimerCancel,\r | |
1155 | 0\r | |
1156 | );\r | |
1157 | \r | |
1158 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1159 | }\r | |
1160 | \r | |
e49ef433 | 1161 | \r |
1162 | /**\r | |
1163 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
8fd98315 | 1164 | can be read through the Simple Input Protocol. \r |
1165 | \r | |
1166 | The table below shows the keyboard input mappings that this function supports.\r | |
1167 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
1168 | into the coorespoding EFI Scan Code. If a matching sequence is not found, then the raw\r | |
1169 | key strokes are converted into EFI Keys.\r | |
1170 | \r | |
e49ef433 | 1171 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r |
1172 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1173 | converted into EFI Keys.\r | |
1174 | There is one special input sequence that will force the system to reset.\r | |
1175 | This is ESC R ESC r ESC R.\r | |
1176 | \r | |
1177 | Symbols used in table below\r | |
1178 | ===========================\r | |
1179 | ESC = 0x1B\r | |
1180 | CSI = 0x9B\r | |
1181 | DEL = 0x7f\r | |
1182 | ^ = CTRL\r | |
8fd98315 | 1183 | \r |
e49ef433 | 1184 | +=========+======+===========+==========+==========+\r |
1185 | | | EFI | UEFI 2.0 | | |\r | |
1186 | | | Scan | | VT100+ | |\r | |
1187 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1188 | +=========+======+===========+==========+==========+\r | |
1189 | | NULL | 0x00 | | | |\r | |
1190 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1191 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1192 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1193 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1194 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1195 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1196 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1197 | | | | ESC [ L | | ESC [ L |\r | |
1198 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1199 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1200 | | | | | | ESC [ ? |\r | |
1201 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1202 | | | | | | ESC [ / |\r | |
1203 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1204 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1205 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1206 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1207 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1208 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1209 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1210 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1211 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1212 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1213 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1214 | | F11 | 0x15 | | ESC ! | |\r | |
1215 | | F12 | 0x16 | | ESC @ | |\r | |
1216 | +=========+======+===========+==========+==========+\r | |
8fd98315 | 1217 | \r |
e49ef433 | 1218 | Special Mappings\r |
1219 | ================\r | |
1220 | ESC R ESC r ESC R = Reset System\r | |
1221 | \r | |
e49ef433 | 1222 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1223 | \r | |
8fd98315 | 1224 | @return None.\r |
e49ef433 | 1225 | \r |
1226 | **/\r | |
95276127 | 1227 | VOID\r |
1228 | UnicodeToEfiKey (\r | |
1229 | IN TERMINAL_DEV *TerminalDevice\r | |
1230 | )\r | |
95276127 | 1231 | {\r |
1232 | EFI_STATUS Status;\r | |
1233 | EFI_STATUS TimerStatus;\r | |
1234 | UINT16 UnicodeChar;\r | |
1235 | EFI_INPUT_KEY Key;\r | |
1236 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1237 | \r |
95276127 | 1238 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1239 | \r | |
1240 | if (!EFI_ERROR (TimerStatus)) {\r | |
1241 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1242 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1243 | }\r | |
1244 | \r | |
1245 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1246 | \r |
95276127 | 1247 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1248 | //\r | |
1249 | // Check to see if the 2 second timer has expired\r | |
1250 | //\r | |
1251 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1252 | if (!EFI_ERROR (TimerStatus)) {\r | |
1253 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1254 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1255 | }\r | |
1256 | }\r | |
1257 | \r | |
1258 | //\r | |
1259 | // Fetch one Unicode character from the Unicode FIFO\r | |
1260 | //\r | |
8fd98315 | 1261 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r |
95276127 | 1262 | \r |
1263 | SetDefaultResetState = TRUE;\r | |
1264 | \r | |
1265 | switch (TerminalDevice->InputState) {\r | |
1266 | case INPUT_STATE_DEFAULT:\r | |
1267 | \r | |
1268 | break;\r | |
1269 | \r | |
1270 | case INPUT_STATE_ESC:\r | |
1271 | \r | |
1272 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1273 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1274 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1275 | continue;\r | |
1276 | }\r | |
1277 | \r | |
e49ef433 | 1278 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1279 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
1280 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1281 | continue;\r | |
1282 | }\r | |
1283 | \r | |
1284 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1285 | \r |
e49ef433 | 1286 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
1287 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1288 | switch (UnicodeChar) {\r |
fb0b259e | 1289 | case '1':\r |
1290 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1291 | break;\r |
fb0b259e | 1292 | case '2':\r |
1293 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1294 | break;\r |
fb0b259e | 1295 | case '3':\r |
1296 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1297 | break;\r |
fb0b259e | 1298 | case '4':\r |
1299 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1300 | break;\r |
fb0b259e | 1301 | case '5':\r |
1302 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1303 | break;\r |
fb0b259e | 1304 | case '6':\r |
1305 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1306 | break;\r |
fb0b259e | 1307 | case '7':\r |
1308 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1309 | break;\r |
fb0b259e | 1310 | case '8':\r |
1311 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1312 | break;\r |
fb0b259e | 1313 | case '9':\r |
1314 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1315 | break;\r |
fb0b259e | 1316 | case '0':\r |
1317 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1318 | break;\r |
66aa04e4 | 1319 | case '!':\r |
1320 | Key.ScanCode = SCAN_F11;\r | |
1321 | break;\r | |
1322 | case '@':\r | |
1323 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1324 | break;\r |
fb0b259e | 1325 | case 'h':\r |
1326 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1327 | break;\r |
fb0b259e | 1328 | case 'k':\r |
1329 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1330 | break;\r |
fb0b259e | 1331 | case '+':\r |
1332 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1333 | break;\r |
fb0b259e | 1334 | case '-':\r |
1335 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1336 | break;\r |
fb0b259e | 1337 | case '/':\r |
1338 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1339 | break;\r | |
1340 | case '?':\r | |
1341 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1342 | break;\r | |
1343 | default :\r | |
95276127 | 1344 | break;\r |
1345 | }\r | |
1346 | }\r | |
fb0b259e | 1347 | \r |
95276127 | 1348 | switch (UnicodeChar) {\r |
fb0b259e | 1349 | case 'R':\r |
95276127 | 1350 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1351 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1352 | SetDefaultResetState = FALSE;\r | |
1353 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1354 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1355 | }\r | |
1356 | Key.ScanCode = SCAN_NULL;\r | |
1357 | break;\r | |
fb0b259e | 1358 | case 'r':\r |
95276127 | 1359 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1360 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1361 | SetDefaultResetState = FALSE;\r | |
1362 | }\r | |
1363 | Key.ScanCode = SCAN_NULL;\r | |
1364 | break;\r | |
fb0b259e | 1365 | default :\r |
95276127 | 1366 | break;\r |
1367 | }\r | |
1368 | \r | |
1369 | if (SetDefaultResetState) {\r | |
1370 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1371 | }\r | |
1372 | \r | |
1373 | if (Key.ScanCode != SCAN_NULL) {\r | |
1374 | Key.UnicodeChar = 0;\r | |
1375 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1376 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1377 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1378 | continue;\r | |
1379 | }\r | |
1380 | \r | |
1381 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1382 | \r | |
1383 | break;\r | |
1384 | \r | |
1385 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1386 | \r | |
1387 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1388 | \r | |
1389 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1390 | \r |
e49ef433 | 1391 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1392 | switch (UnicodeChar) {\r |
fb0b259e | 1393 | case 'P':\r |
1394 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1395 | break;\r |
fb0b259e | 1396 | case 'Q':\r |
1397 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1398 | break;\r |
fb0b259e | 1399 | case 'w':\r |
1400 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1401 | break;\r |
fb0b259e | 1402 | case 'x':\r |
1403 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1404 | break;\r |
fb0b259e | 1405 | case 't':\r |
1406 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1407 | break;\r |
fb0b259e | 1408 | case 'u':\r |
1409 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1410 | break;\r |
fb0b259e | 1411 | case 'q':\r |
1412 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1413 | break;\r |
fb0b259e | 1414 | case 'r':\r |
1415 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1416 | break;\r |
fb0b259e | 1417 | case 'p':\r |
1418 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1419 | break;\r |
fb0b259e | 1420 | case 'M':\r |
1421 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1422 | break;\r |
fb0b259e | 1423 | default :\r |
95276127 | 1424 | break;\r |
1425 | }\r | |
1426 | }\r | |
1427 | \r | |
1428 | if (Key.ScanCode != SCAN_NULL) {\r | |
1429 | Key.UnicodeChar = 0;\r | |
1430 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1431 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1432 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1433 | continue;\r | |
1434 | }\r | |
1435 | \r | |
1436 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1437 | \r | |
1438 | break;\r | |
1439 | \r | |
1440 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1441 | \r |
95276127 | 1442 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1443 | \r |
95276127 | 1444 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1445 | \r |
e49ef433 | 1446 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1447 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
1448 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
1449 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1450 | switch (UnicodeChar) {\r |
fb0b259e | 1451 | case 'A':\r |
1452 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1453 | break;\r |
fb0b259e | 1454 | case 'B':\r |
1455 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1456 | break;\r |
fb0b259e | 1457 | case 'C':\r |
1458 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1459 | break;\r |
fb0b259e | 1460 | case 'D':\r |
1461 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1462 | break;\r |
fb0b259e | 1463 | case 'H':\r |
e49ef433 | 1464 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1465 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1466 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1467 | }\r |
1468 | break;\r | |
fb0b259e | 1469 | case 'F':\r |
e49ef433 | 1470 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1471 | Key.ScanCode = SCAN_END;\r |
1472 | }\r | |
1473 | break;\r | |
fb0b259e | 1474 | case 'K':\r |
e49ef433 | 1475 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1476 | Key.ScanCode = SCAN_END;\r |
95276127 | 1477 | }\r |
1478 | break;\r | |
fb0b259e | 1479 | case 'L':\r |
1480 | case '@':\r | |
e49ef433 | 1481 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1482 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1483 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1484 | }\r |
1485 | break;\r | |
fb0b259e | 1486 | case 'X':\r |
e49ef433 | 1487 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1488 | Key.ScanCode = SCAN_DELETE;\r |
1489 | }\r | |
1490 | break;\r | |
fb0b259e | 1491 | case 'P':\r |
e49ef433 | 1492 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1493 | Key.ScanCode = SCAN_DELETE;\r |
e49ef433 | 1494 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1495 | Key.ScanCode = SCAN_F4;\r |
1496 | }\r | |
1497 | break;\r | |
fb0b259e | 1498 | case 'I':\r |
e49ef433 | 1499 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1500 | Key.ScanCode = SCAN_PAGE_UP;\r |
1501 | }\r | |
fb0b259e | 1502 | break;\r |
1503 | case 'V':\r | |
e49ef433 | 1504 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1505 | Key.ScanCode = SCAN_F10;\r |
fb0b259e | 1506 | }\r |
1507 | case '?':\r | |
e49ef433 | 1508 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1509 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1510 | }\r |
1511 | break;\r | |
fb0b259e | 1512 | case 'G':\r |
e49ef433 | 1513 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1514 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
1515 | }\r | |
fb0b259e | 1516 | break;\r |
1517 | case 'U':\r | |
e49ef433 | 1518 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1519 | Key.ScanCode = SCAN_F9;\r |
1520 | }\r | |
fb0b259e | 1521 | case '/':\r |
e49ef433 | 1522 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1523 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1524 | }\r |
1525 | break;\r | |
fb0b259e | 1526 | case 'M':\r |
e49ef433 | 1527 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1528 | Key.ScanCode = SCAN_F1;\r |
1529 | }\r | |
fb0b259e | 1530 | break;\r |
1531 | case 'N':\r | |
e49ef433 | 1532 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1533 | Key.ScanCode = SCAN_F2;\r |
1534 | }\r | |
fb0b259e | 1535 | break;\r |
1536 | case 'O':\r | |
e49ef433 | 1537 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1538 | Key.ScanCode = SCAN_F3;\r |
1539 | }\r | |
fb0b259e | 1540 | break;\r |
1541 | case 'Q':\r | |
e49ef433 | 1542 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1543 | Key.ScanCode = SCAN_F5;\r |
1544 | }\r | |
fb0b259e | 1545 | break;\r |
1546 | case 'R':\r | |
e49ef433 | 1547 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1548 | Key.ScanCode = SCAN_F6;\r |
1549 | }\r | |
fb0b259e | 1550 | break;\r |
1551 | case 'S':\r | |
e49ef433 | 1552 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1553 | Key.ScanCode = SCAN_F7;\r |
1554 | }\r | |
fb0b259e | 1555 | break;\r |
1556 | case 'T':\r | |
e49ef433 | 1557 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1558 | Key.ScanCode = SCAN_F8;\r |
1559 | }\r | |
fb0b259e | 1560 | break;\r |
1561 | default :\r | |
95276127 | 1562 | break;\r |
1563 | }\r | |
1564 | }\r | |
1565 | \r | |
1566 | if (Key.ScanCode != SCAN_NULL) {\r | |
1567 | Key.UnicodeChar = 0;\r | |
1568 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1569 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1570 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1571 | continue;\r | |
1572 | }\r | |
1573 | \r | |
1574 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1575 | \r | |
1576 | break;\r | |
1577 | \r | |
fb0b259e | 1578 | \r |
95276127 | 1579 | default:\r |
1580 | //\r | |
1581 | // Invalid state. This should never happen.\r | |
1582 | //\r | |
1583 | ASSERT (FALSE);\r | |
1584 | \r | |
1585 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1586 | \r | |
1587 | break;\r | |
1588 | }\r | |
1589 | \r | |
1590 | if (UnicodeChar == ESC) {\r | |
1591 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1592 | }\r | |
66aa04e4 | 1593 | \r |
1594 | if (UnicodeChar == CSI) {\r | |
1595 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1596 | }\r | |
fb0b259e | 1597 | \r |
95276127 | 1598 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1599 | Status = gBS->SetTimer(\r | |
1600 | TerminalDevice->TwoSecondTimeOut,\r | |
1601 | TimerRelative,\r | |
1602 | (UINT64)20000000\r | |
1603 | );\r | |
1604 | ASSERT_EFI_ERROR (Status);\r | |
1605 | continue;\r | |
1606 | }\r | |
1607 | \r | |
1608 | if (SetDefaultResetState) {\r | |
1609 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1610 | }\r | |
1611 | \r | |
1612 | if (UnicodeChar == DEL) {\r | |
1613 | Key.ScanCode = SCAN_DELETE;\r | |
1614 | Key.UnicodeChar = 0;\r | |
1615 | } else {\r | |
1616 | Key.ScanCode = SCAN_NULL;\r | |
1617 | Key.UnicodeChar = UnicodeChar;\r | |
1618 | }\r | |
1619 | \r | |
1620 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1621 | }\r | |
1622 | }\r |