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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 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
20 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
21 | \r | |
22 | @param TerminalDevice Terminal driver private structure\r | |
23 | @param KeyData A pointer to a buffer that is filled in with the\r | |
24 | keystroke state data for the key that was\r | |
25 | pressed.\r | |
26 | \r | |
27 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
28 | @retval EFI_NOT_READY There was no keystroke data availiable.\r | |
29 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
30 | to hardware errors.\r | |
31 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
32 | \r | |
33 | **/\r | |
66aa04e4 | 34 | EFI_STATUS\r |
35 | ReadKeyStrokeWorker (\r | |
36 | IN TERMINAL_DEV *TerminalDevice,\r | |
37 | OUT EFI_KEY_DATA *KeyData\r | |
38 | )\r | |
66aa04e4 | 39 | {\r |
40 | EFI_STATUS Status;\r | |
41 | LIST_ENTRY *Link;\r | |
42 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
43 | \r | |
44 | if (KeyData == NULL) {\r | |
45 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 46 | }\r |
66aa04e4 | 47 | \r |
48 | //\r | |
49 | // Initialize *Key to nonsense value.\r | |
50 | //\r | |
51 | KeyData->Key.ScanCode = SCAN_NULL;\r | |
52 | KeyData->Key.UnicodeChar = 0;\r | |
53 | \r | |
54 | Status = TerminalConInCheckForKey (&TerminalDevice->SimpleInput);\r | |
55 | if (EFI_ERROR (Status)) {\r | |
56 | return EFI_NOT_READY;\r | |
57 | }\r | |
58 | \r | |
59 | if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {\r | |
60 | return EFI_NOT_READY;\r | |
61 | }\r | |
62 | \r | |
63 | KeyData->KeyState.KeyShiftState = 0;\r | |
64 | KeyData->KeyState.KeyToggleState = 0;\r | |
65 | \r | |
66 | //\r | |
67 | // Invoke notification functions if exist\r | |
68 | //\r | |
69 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
70 | CurrentNotify = CR (\r | |
fb0b259e | 71 | Link,\r |
72 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
73 | NotifyEntry,\r | |
66aa04e4 | 74 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
75 | );\r | |
fb0b259e | 76 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 77 | CurrentNotify->KeyNotificationFn (KeyData);\r |
78 | }\r | |
79 | }\r | |
80 | \r | |
81 | return EFI_SUCCESS;\r | |
82 | \r | |
83 | }\r | |
84 | \r | |
e49ef433 | 85 | /**\r |
86 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r | |
87 | This driver only perform dependent serial device reset regardless of\r | |
88 | the value of ExtendeVerification\r | |
66aa04e4 | 89 | \r |
e49ef433 | 90 | @param This Indicates the calling context.\r |
91 | @param ExtendedVerification Skip by this driver.\r | |
92 | \r | |
8fd98315 | 93 | @return EFI_SUCCESS The reset operation succeeds.\r |
94 | @return EFI_DEVICE_ERROR The dependent serial port reset fails.\r | |
e49ef433 | 95 | \r |
96 | **/\r | |
95276127 | 97 | EFI_STATUS\r |
98 | EFIAPI\r | |
99 | TerminalConInReset (\r | |
100 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
101 | IN BOOLEAN ExtendedVerification\r | |
102 | )\r | |
95276127 | 103 | {\r |
104 | EFI_STATUS Status;\r | |
105 | TERMINAL_DEV *TerminalDevice;\r | |
106 | \r | |
107 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
108 | \r | |
109 | //\r | |
110 | // Report progress code here\r | |
111 | //\r | |
112 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
113 | EFI_PROGRESS_CODE,\r | |
97a079ed | 114 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r |
95276127 | 115 | TerminalDevice->DevicePath\r |
116 | );\r | |
117 | \r | |
118 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
119 | \r | |
120 | //\r | |
121 | // clear all the internal buffer for keys\r | |
122 | //\r | |
123 | InitializeRawFiFo (TerminalDevice);\r | |
124 | InitializeUnicodeFiFo (TerminalDevice);\r | |
125 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
126 | \r | |
127 | if (EFI_ERROR (Status)) {\r | |
128 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
129 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 130 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 131 | TerminalDevice->DevicePath\r |
132 | );\r | |
133 | }\r | |
134 | \r | |
135 | return Status;\r | |
136 | }\r | |
137 | \r | |
e49ef433 | 138 | /**\r |
139 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
140 | \r | |
8fd98315 | 141 | @param This Indicates the calling context.\r |
142 | @param Key A pointer to a buffer that is filled in with the\r | |
143 | keystroke information for the key that was sent\r | |
144 | from terminal.\r | |
e49ef433 | 145 | \r |
8fd98315 | 146 | @return EFI_SUCCESS The keystroke information is returned successfully.\r |
147 | @return EFI_NOT_READY There is no keystroke data available.\r | |
148 | @return EFI_DEVICE_ERROR The dependent serial device encounters error.\r | |
e49ef433 | 149 | \r |
150 | **/\r | |
95276127 | 151 | EFI_STATUS\r |
152 | EFIAPI\r | |
153 | TerminalConInReadKeyStroke (\r | |
154 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
155 | OUT EFI_INPUT_KEY *Key\r | |
156 | )\r | |
95276127 | 157 | {\r |
158 | TERMINAL_DEV *TerminalDevice;\r | |
159 | EFI_STATUS Status;\r | |
66aa04e4 | 160 | EFI_KEY_DATA KeyData;\r |
95276127 | 161 | \r |
95276127 | 162 | //\r |
163 | // get TERMINAL_DEV from "This" parameter.\r | |
164 | //\r | |
165 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
166 | \r | |
66aa04e4 | 167 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r |
95276127 | 168 | if (EFI_ERROR (Status)) {\r |
66aa04e4 | 169 | return Status;\r |
170 | }\r | |
171 | \r | |
172 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
173 | \r | |
174 | return EFI_SUCCESS;\r | |
175 | \r | |
176 | }\r | |
177 | \r | |
e49ef433 | 178 | /**\r |
8fd98315 | 179 | Check if the key already has been registered.\r |
e49ef433 | 180 | \r |
181 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
182 | keystroke state data for the key that was\r | |
183 | registered.\r | |
184 | @param InputData A pointer to a buffer that is filled in with the\r | |
185 | keystroke state data for the key that was\r | |
186 | pressed.\r | |
187 | \r | |
188 | @retval TRUE Key be pressed matches a registered key.\r | |
189 | @retval FLASE Match failed.\r | |
190 | \r | |
191 | **/\r | |
66aa04e4 | 192 | BOOLEAN\r |
193 | IsKeyRegistered (\r | |
194 | IN EFI_KEY_DATA *RegsiteredData,\r | |
195 | IN EFI_KEY_DATA *InputData\r | |
196 | )\r | |
66aa04e4 | 197 | {\r |
198 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
fb0b259e | 199 | \r |
66aa04e4 | 200 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r |
201 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r | |
fb0b259e | 202 | return FALSE;\r |
203 | }\r | |
204 | \r | |
66aa04e4 | 205 | return TRUE;\r |
206 | }\r | |
207 | \r | |
208 | \r | |
e49ef433 | 209 | \r |
210 | /**\r | |
211 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
212 | Signal the event if there is key available\r | |
213 | \r | |
214 | @param Event Indicates the event that invoke this function.\r | |
215 | @param Context Indicates the calling context.\r | |
216 | \r | |
217 | @return none.\r | |
218 | \r | |
219 | **/\r | |
66aa04e4 | 220 | VOID\r |
221 | EFIAPI\r | |
222 | TerminalConInWaitForKeyEx (\r | |
223 | IN EFI_EVENT Event,\r | |
224 | IN VOID *Context\r | |
225 | )\r | |
66aa04e4 | 226 | {\r |
227 | TERMINAL_DEV *TerminalDevice;\r | |
fb0b259e | 228 | \r |
66aa04e4 | 229 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (Context);\r |
230 | \r | |
231 | TerminalConInWaitForKey (Event, &TerminalDevice->SimpleInput);\r | |
232 | \r | |
233 | }\r | |
234 | \r | |
235 | //\r | |
236 | // Simple Text Input Ex protocol functions\r | |
237 | //\r | |
238 | \r | |
e49ef433 | 239 | /**\r |
240 | Reset the input device and optionaly run diagnostics\r | |
241 | \r | |
242 | @param This Protocol instance pointer.\r | |
243 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
244 | \r | |
245 | @retval EFI_SUCCESS The device was reset.\r | |
246 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
247 | not be reset.\r | |
248 | \r | |
249 | **/\r | |
66aa04e4 | 250 | EFI_STATUS\r |
251 | EFIAPI\r | |
252 | TerminalConInResetEx (\r | |
253 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
254 | IN BOOLEAN ExtendedVerification\r | |
255 | )\r | |
66aa04e4 | 256 | {\r |
257 | EFI_STATUS Status;\r | |
258 | TERMINAL_DEV *TerminalDevice;\r | |
259 | \r | |
260 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
261 | \r | |
262 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
263 | if (EFI_ERROR (Status)) {\r | |
264 | return EFI_DEVICE_ERROR;\r | |
95276127 | 265 | }\r |
266 | \r | |
66aa04e4 | 267 | return EFI_SUCCESS;\r |
fb0b259e | 268 | \r |
66aa04e4 | 269 | }\r |
270 | \r | |
e49ef433 | 271 | \r |
272 | /**\r | |
273 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
274 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
275 | \r | |
276 | @param This Protocol instance pointer.\r | |
277 | @param KeyData A pointer to a buffer that is filled in with the\r | |
278 | keystroke state data for the key that was\r | |
279 | pressed.\r | |
280 | \r | |
281 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
282 | @retval EFI_NOT_READY There was no keystroke data availiable.\r | |
283 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
284 | to hardware errors.\r | |
285 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
286 | \r | |
287 | **/\r | |
66aa04e4 | 288 | EFI_STATUS\r |
289 | EFIAPI\r | |
290 | TerminalConInReadKeyStrokeEx (\r | |
291 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
292 | OUT EFI_KEY_DATA *KeyData\r | |
293 | )\r | |
66aa04e4 | 294 | {\r |
295 | TERMINAL_DEV *TerminalDevice;\r | |
296 | \r | |
297 | if (KeyData == NULL) {\r | |
298 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 299 | }\r |
66aa04e4 | 300 | \r |
301 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
302 | \r | |
303 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
304 | \r | |
305 | }\r | |
306 | \r | |
e49ef433 | 307 | \r |
308 | /**\r | |
309 | Set certain state for the input device.\r | |
310 | \r | |
311 | @param This Protocol instance pointer.\r | |
312 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
313 | state for the input device.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS The device state was set successfully.\r | |
316 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
317 | could not have the setting adjusted.\r | |
318 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
319 | state.\r | |
320 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
321 | \r | |
322 | **/\r | |
66aa04e4 | 323 | EFI_STATUS\r |
324 | EFIAPI\r | |
325 | TerminalConInSetState (\r | |
326 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
327 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
328 | )\r | |
66aa04e4 | 329 | {\r |
330 | if (KeyToggleState == NULL) {\r | |
331 | return EFI_INVALID_PARAMETER;\r | |
332 | }\r | |
95276127 | 333 | \r |
334 | return EFI_SUCCESS;\r | |
66aa04e4 | 335 | }\r |
95276127 | 336 | \r |
e49ef433 | 337 | \r |
338 | /**\r | |
339 | Register a notification function for a particular keystroke for the input device.\r | |
340 | \r | |
341 | @param This Protocol instance pointer.\r | |
342 | @param KeyData A pointer to a buffer that is filled in with the\r | |
343 | keystroke information data for the key that was\r | |
344 | pressed.\r | |
345 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
346 | sequence is typed specified by KeyData.\r | |
347 | @param NotifyHandle Points to the unique handle assigned to the\r | |
348 | registered notification.\r | |
349 | \r | |
350 | @retval EFI_SUCCESS The notification function was registered\r | |
351 | successfully.\r | |
352 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data\r | |
353 | structures.\r | |
354 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
355 | \r | |
356 | **/\r | |
66aa04e4 | 357 | EFI_STATUS\r |
358 | EFIAPI\r | |
359 | TerminalConInRegisterKeyNotify (\r | |
360 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
361 | IN EFI_KEY_DATA *KeyData,\r | |
362 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
363 | OUT EFI_HANDLE *NotifyHandle\r | |
364 | )\r | |
66aa04e4 | 365 | {\r |
366 | EFI_STATUS Status;\r | |
367 | TERMINAL_DEV *TerminalDevice;\r | |
368 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
369 | LIST_ENTRY *Link;\r | |
fb0b259e | 370 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
66aa04e4 | 371 | \r |
372 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
373 | return EFI_INVALID_PARAMETER;\r | |
374 | }\r | |
375 | \r | |
376 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
377 | \r | |
378 | //\r | |
379 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
380 | //\r | |
381 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
382 | CurrentNotify = CR (\r | |
fb0b259e | 383 | Link,\r |
384 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
385 | NotifyEntry,\r | |
66aa04e4 | 386 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
387 | );\r | |
fb0b259e | 388 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 389 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
fb0b259e | 390 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
66aa04e4 | 391 | return EFI_SUCCESS;\r |
392 | }\r | |
393 | }\r | |
394 | }\r | |
395 | \r | |
396 | //\r | |
397 | // Allocate resource to save the notification function\r | |
fb0b259e | 398 | //\r |
66aa04e4 | 399 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
400 | if (NewNotify == NULL) {\r | |
401 | return EFI_OUT_OF_RESOURCES;\r | |
fb0b259e | 402 | }\r |
66aa04e4 | 403 | \r |
fb0b259e | 404 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
66aa04e4 | 405 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
406 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r | |
407 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r | |
408 | //\r | |
409 | // Use gSimpleTextInExNotifyGuid to get a valid EFI_HANDLE\r | |
fb0b259e | 410 | //\r |
66aa04e4 | 411 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
412 | &NewNotify->NotifyHandle,\r | |
413 | &gSimpleTextInExNotifyGuid,\r | |
414 | NULL,\r | |
415 | NULL\r | |
416 | );\r | |
417 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 418 | *NotifyHandle = NewNotify->NotifyHandle;\r |
66aa04e4 | 419 | \r |
420 | return EFI_SUCCESS;\r | |
95276127 | 421 | }\r |
422 | \r | |
e49ef433 | 423 | \r |
424 | /**\r | |
425 | Remove a registered notification function from a particular keystroke.\r | |
426 | \r | |
427 | @param This Protocol instance pointer.\r | |
428 | @param NotificationHandle The handle of the notification function being\r | |
429 | unregistered.\r | |
430 | \r | |
431 | @retval EFI_SUCCESS The notification function was unregistered\r | |
432 | successfully.\r | |
433 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
434 | @retval EFI_NOT_FOUND Can not find the matching entry in database.\r | |
435 | \r | |
436 | **/\r | |
66aa04e4 | 437 | EFI_STATUS\r |
438 | EFIAPI\r | |
439 | TerminalConInUnregisterKeyNotify (\r | |
440 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
441 | IN EFI_HANDLE NotificationHandle\r | |
442 | )\r | |
66aa04e4 | 443 | {\r |
444 | EFI_STATUS Status;\r | |
445 | TERMINAL_DEV *TerminalDevice;\r | |
446 | LIST_ENTRY *Link;\r | |
447 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
448 | \r | |
449 | if (NotificationHandle == NULL) {\r | |
450 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 451 | }\r |
452 | \r | |
66aa04e4 | 453 | Status = gBS->OpenProtocol (\r |
454 | NotificationHandle,\r | |
455 | &gSimpleTextInExNotifyGuid,\r | |
456 | NULL,\r | |
457 | NULL,\r | |
458 | NULL,\r | |
459 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
460 | );\r | |
461 | if (EFI_ERROR (Status)) {\r | |
462 | return EFI_INVALID_PARAMETER;\r | |
463 | }\r | |
464 | \r | |
465 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
466 | \r | |
467 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
468 | CurrentNotify = CR (\r | |
fb0b259e | 469 | Link,\r |
470 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
471 | NotifyEntry,\r | |
66aa04e4 | 472 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
473 | );\r | |
474 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r | |
475 | //\r | |
476 | // Remove the notification function from NotifyList and free resources\r | |
477 | //\r | |
fb0b259e | 478 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
66aa04e4 | 479 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
480 | CurrentNotify->NotifyHandle,\r | |
481 | &gSimpleTextInExNotifyGuid,\r | |
482 | NULL,\r | |
483 | NULL\r | |
484 | );\r | |
485 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 486 | gBS->FreePool (CurrentNotify);\r |
66aa04e4 | 487 | return EFI_SUCCESS;\r |
488 | }\r | |
489 | }\r | |
fb0b259e | 490 | \r |
491 | return EFI_NOT_FOUND;\r | |
66aa04e4 | 492 | }\r |
493 | \r | |
e49ef433 | 494 | /**\r |
8fd98315 | 495 | Translate raw data into Unicode (according to different encode), and \r |
e49ef433 | 496 | translate Unicode into key information. (according to different standard). \r |
66aa04e4 | 497 | \r |
e49ef433 | 498 | @param TerminalDevice Terminal driver private structure.\r |
499 | \r | |
500 | @return none.\r | |
501 | \r | |
502 | **/\r | |
95276127 | 503 | VOID\r |
504 | TranslateRawDataToEfiKey (\r | |
505 | IN TERMINAL_DEV *TerminalDevice\r | |
506 | )\r | |
95276127 | 507 | {\r |
508 | switch (TerminalDevice->TerminalType) {\r | |
509 | \r | |
e49ef433 | 510 | case PCANSITYPE:\r |
511 | case VT100TYPE:\r | |
512 | case VT100PLUSTYPE:\r | |
95276127 | 513 | AnsiRawDataToUnicode (TerminalDevice);\r |
514 | UnicodeToEfiKey (TerminalDevice);\r | |
515 | break;\r | |
516 | \r | |
e49ef433 | 517 | case VTUTF8TYPE:\r |
95276127 | 518 | //\r |
519 | // Process all the raw data in the RawFIFO,\r | |
520 | // put the processed key into UnicodeFIFO.\r | |
521 | //\r | |
522 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
523 | \r | |
524 | //\r | |
525 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
526 | // then put into EfiKeyFIFO.\r | |
527 | //\r | |
528 | UnicodeToEfiKey (TerminalDevice);\r | |
529 | \r | |
530 | break;\r | |
531 | }\r | |
532 | }\r | |
533 | \r | |
e49ef433 | 534 | /**\r |
535 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
536 | Signal the event if there is key available\r | |
537 | \r | |
538 | @param Event Indicates the event that invoke this function.\r | |
539 | @param Context Indicates the calling context.\r | |
540 | \r | |
541 | @return None\r | |
542 | \r | |
543 | **/\r | |
95276127 | 544 | VOID\r |
545 | EFIAPI\r | |
546 | TerminalConInWaitForKey (\r | |
547 | IN EFI_EVENT Event,\r | |
548 | IN VOID *Context\r | |
549 | )\r | |
95276127 | 550 | {\r |
551 | //\r | |
552 | // Someone is waiting on the keystroke event, if there's\r | |
553 | // a key pending, signal the event\r | |
554 | //\r | |
555 | // Context is the pointer to EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r | |
556 | //\r | |
557 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
558 | \r | |
559 | gBS->SignalEvent (Event);\r | |
560 | }\r | |
561 | }\r | |
562 | \r | |
fb0b259e | 563 | \r |
e49ef433 | 564 | /**\r |
565 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
fb0b259e | 566 | \r |
e49ef433 | 567 | @param This Indicates the calling context.\r |
fb0b259e | 568 | \r |
8fd98315 | 569 | @retval EFI_SUCCESS There is key pending.\r |
570 | @retval EFI_NOT_READY There is no key pending.\r | |
571 | @retval EFI_DEVICE_ERROR If Serial IO is not attched to serial device.\r | |
fb0b259e | 572 | \r |
e49ef433 | 573 | **/\r |
574 | EFI_STATUS\r | |
575 | TerminalConInCheckForKey (\r | |
576 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
577 | )\r | |
95276127 | 578 | {\r |
579 | EFI_STATUS Status;\r | |
580 | TERMINAL_DEV *TerminalDevice;\r | |
581 | UINT32 Control;\r | |
582 | UINT8 Input;\r | |
583 | EFI_SERIAL_IO_MODE *Mode;\r | |
584 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
585 | UINTN SerialInTimeOut;\r | |
586 | \r | |
587 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
588 | \r | |
589 | SerialIo = TerminalDevice->SerialIo;\r | |
590 | if (SerialIo == NULL) {\r | |
591 | return EFI_DEVICE_ERROR;\r | |
592 | }\r | |
593 | //\r | |
594 | // if current timeout value for serial device is not identical with\r | |
595 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
596 | // timeout value again and set serial attribute according to this value.\r | |
597 | //\r | |
598 | Mode = SerialIo->Mode;\r | |
599 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
600 | \r | |
601 | SerialInTimeOut = 0;\r | |
602 | if (Mode->BaudRate != 0) {\r | |
ab76200c | 603 | //\r |
604 | // According to BAUD rate to calculate the timeout value.\r | |
605 | //\r | |
95276127 | 606 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r |
607 | }\r | |
608 | \r | |
609 | Status = SerialIo->SetAttributes (\r | |
610 | SerialIo,\r | |
611 | Mode->BaudRate,\r | |
612 | Mode->ReceiveFifoDepth,\r | |
613 | (UINT32) SerialInTimeOut,\r | |
614 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
615 | (UINT8) Mode->DataBits,\r | |
616 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
617 | );\r | |
618 | \r | |
619 | if (EFI_ERROR (Status)) {\r | |
620 | TerminalDevice->SerialInTimeOut = 0;\r | |
621 | } else {\r | |
622 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
623 | }\r | |
624 | }\r | |
625 | //\r | |
ab76200c | 626 | // Check whether serial buffer is empty.\r |
95276127 | 627 | //\r |
628 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
629 | \r | |
ab76200c | 630 | if ((Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) != 0) {\r |
95276127 | 631 | //\r |
632 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
633 | // according to different terminal type supported.\r | |
634 | //\r | |
635 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
636 | \r | |
637 | //\r | |
638 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
639 | // return directly.\r | |
640 | //\r | |
641 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
642 | return EFI_SUCCESS;\r | |
643 | } else {\r | |
644 | return EFI_NOT_READY;\r | |
645 | }\r | |
646 | }\r | |
647 | //\r | |
648 | // Fetch all the keys in the serial buffer,\r | |
649 | // and insert the byte stream into RawFIFO.\r | |
650 | //\r | |
651 | do {\r | |
652 | \r | |
653 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
654 | \r | |
655 | if (EFI_ERROR (Status)) {\r | |
656 | if (Status == EFI_DEVICE_ERROR) {\r | |
657 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
658 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 659 | PcdGet32 (PcdStatusCodeValueRemoteConsoleInputError),\r |
95276127 | 660 | TerminalDevice->DevicePath\r |
661 | );\r | |
662 | }\r | |
663 | break;\r | |
664 | }\r | |
665 | \r | |
666 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
667 | } while (TRUE);\r | |
668 | \r | |
669 | //\r | |
670 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
671 | // according to different terminal type supported.\r | |
672 | //\r | |
673 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
674 | \r | |
675 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
676 | return EFI_NOT_READY;\r | |
677 | }\r | |
678 | \r | |
679 | return EFI_SUCCESS;\r | |
680 | }\r | |
681 | \r | |
e49ef433 | 682 | /**\r |
683 | Get one key out of serial buffer.\r | |
684 | \r | |
685 | @param SerialIo Serial I/O protocl attached to the serial device.\r | |
686 | @param Output The fetched key.\r | |
687 | \r | |
688 | @return EFI_NOT_READY If serial buffer is empty.\r | |
689 | @return EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
690 | @return EFI_SUCCESS If reading serial buffer successfully, put\r | |
691 | the fetched key to the parameter output.\r | |
692 | \r | |
693 | **/\r | |
95276127 | 694 | EFI_STATUS\r |
695 | GetOneKeyFromSerial (\r | |
696 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
e49ef433 | 697 | UINT8 *Output\r |
95276127 | 698 | )\r |
95276127 | 699 | {\r |
700 | EFI_STATUS Status;\r | |
701 | UINTN Size;\r | |
702 | \r | |
703 | Size = 1;\r | |
e49ef433 | 704 | *Output = 0;\r |
95276127 | 705 | \r |
ab76200c | 706 | //\r |
707 | // Read one key from serial I/O device.\r | |
708 | //\r | |
e49ef433 | 709 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
95276127 | 710 | \r |
711 | if (EFI_ERROR (Status)) {\r | |
712 | \r | |
713 | if (Status == EFI_TIMEOUT) {\r | |
714 | return EFI_NOT_READY;\r | |
715 | }\r | |
716 | \r | |
717 | return EFI_DEVICE_ERROR;\r | |
718 | \r | |
719 | }\r | |
720 | \r | |
e49ef433 | 721 | if (*Output == 0) {\r |
95276127 | 722 | return EFI_NOT_READY;\r |
723 | }\r | |
724 | \r | |
725 | return EFI_SUCCESS;\r | |
726 | }\r | |
727 | \r | |
e49ef433 | 728 | /**\r |
729 | Insert one byte raw data into the Raw Data FIFO.\r | |
730 | \r | |
731 | @param TerminalDevice Terminal driver private structure.\r | |
732 | @param Input The key will be input.\r | |
733 | \r | |
734 | @return TRUE If insert successfully.\r | |
735 | @return FLASE If Raw Data buffer is full before key insertion,\r | |
736 | and the key is lost.\r | |
737 | \r | |
738 | **/\r | |
95276127 | 739 | BOOLEAN\r |
740 | RawFiFoInsertOneKey (\r | |
741 | TERMINAL_DEV *TerminalDevice,\r | |
742 | UINT8 Input\r | |
743 | )\r | |
95276127 | 744 | {\r |
745 | UINT8 Tail;\r | |
746 | \r | |
747 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
748 | \r | |
749 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
750 | //\r | |
751 | // Raw FIFO is full\r | |
752 | //\r | |
753 | return FALSE;\r | |
754 | }\r | |
755 | \r | |
756 | TerminalDevice->RawFiFo.Data[Tail] = Input;\r | |
757 | \r | |
758 | TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
759 | \r | |
760 | return TRUE;\r | |
761 | }\r | |
762 | \r | |
e49ef433 | 763 | /**\r |
764 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
765 | \r | |
766 | @param TerminalDevice Terminal driver private structure.\r | |
767 | @param Output The key will be removed.\r | |
768 | \r | |
769 | @return TRUE If insert successfully.\r | |
770 | @return FLASE If Raw Data FIFO buffer is empty before remove operation.\r | |
771 | \r | |
772 | **/\r | |
95276127 | 773 | BOOLEAN\r |
774 | RawFiFoRemoveOneKey (\r | |
775 | TERMINAL_DEV *TerminalDevice,\r | |
776 | UINT8 *Output\r | |
777 | )\r | |
95276127 | 778 | {\r |
779 | UINT8 Head;\r | |
780 | \r | |
781 | Head = TerminalDevice->RawFiFo.Head;\r | |
782 | \r | |
783 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
784 | //\r | |
785 | // FIFO is empty\r | |
786 | //\r | |
787 | *Output = 0;\r | |
788 | return FALSE;\r | |
789 | }\r | |
790 | \r | |
791 | *Output = TerminalDevice->RawFiFo.Data[Head];\r | |
792 | \r | |
793 | TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
794 | \r | |
795 | return TRUE;\r | |
796 | }\r | |
797 | \r | |
e49ef433 | 798 | /**\r |
799 | Clarify whether Raw Data FIFO buffer is empty.\r | |
800 | \r | |
801 | @param TerminalDevice Terminal driver private structure\r | |
802 | \r | |
803 | @return TRUE If Raw Data FIFO buffer is empty.\r | |
804 | @return FLASE If Raw Data FIFO buffer is not empty.\r | |
805 | \r | |
806 | **/\r | |
95276127 | 807 | BOOLEAN\r |
808 | IsRawFiFoEmpty (\r | |
809 | TERMINAL_DEV *TerminalDevice\r | |
810 | )\r | |
95276127 | 811 | {\r |
812 | if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) {\r | |
813 | return TRUE;\r | |
814 | } else {\r | |
815 | return FALSE;\r | |
816 | }\r | |
817 | }\r | |
818 | \r | |
e49ef433 | 819 | /**\r |
820 | Clarify whether Raw Data FIFO buffer is full.\r | |
821 | \r | |
822 | @param TerminalDevice Terminal driver private structure\r | |
823 | \r | |
824 | @return TRUE If Raw Data FIFO buffer is full.\r | |
825 | @return FLASE If Raw Data FIFO buffer is not full.\r | |
826 | \r | |
827 | **/\r | |
95276127 | 828 | BOOLEAN\r |
829 | IsRawFiFoFull (\r | |
830 | TERMINAL_DEV *TerminalDevice\r | |
831 | )\r | |
95276127 | 832 | {\r |
833 | UINT8 Tail;\r | |
834 | UINT8 Head;\r | |
835 | \r | |
836 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
837 | Head = TerminalDevice->RawFiFo.Head;\r | |
838 | \r | |
839 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
840 | \r | |
841 | return TRUE;\r | |
842 | }\r | |
843 | \r | |
844 | return FALSE;\r | |
845 | }\r | |
846 | \r | |
e49ef433 | 847 | /**\r |
848 | Insert one pre-fetched key into the FIFO buffer.\r | |
849 | \r | |
850 | @param TerminalDevice Terminal driver private structure.\r | |
851 | @param Key The key will be input.\r | |
852 | \r | |
853 | @return TRUE If insert successfully.\r | |
854 | @return FLASE If FIFO buffer is full before key insertion,\r | |
855 | and the key is lost.\r | |
856 | \r | |
857 | **/\r | |
95276127 | 858 | BOOLEAN\r |
859 | EfiKeyFiFoInsertOneKey (\r | |
860 | TERMINAL_DEV *TerminalDevice,\r | |
861 | EFI_INPUT_KEY Key\r | |
862 | )\r | |
95276127 | 863 | {\r |
864 | UINT8 Tail;\r | |
865 | \r | |
866 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
867 | \r | |
868 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
869 | //\r | |
870 | // Efi Key FIFO is full\r | |
871 | //\r | |
872 | return FALSE;\r | |
873 | }\r | |
874 | \r | |
875 | TerminalDevice->EfiKeyFiFo.Data[Tail] = Key;\r | |
876 | \r | |
877 | TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
878 | \r | |
879 | return TRUE;\r | |
880 | }\r | |
881 | \r | |
e49ef433 | 882 | /**\r |
883 | Remove one pre-fetched key out of the FIFO buffer.\r | |
884 | \r | |
885 | @param TerminalDevice Terminal driver private structure.\r | |
886 | @param Output The key will be removed.\r | |
887 | \r | |
888 | @return TRUE If insert successfully.\r | |
889 | @return FLASE If FIFO buffer is empty before remove operation.\r | |
890 | \r | |
891 | **/\r | |
95276127 | 892 | BOOLEAN\r |
893 | EfiKeyFiFoRemoveOneKey (\r | |
894 | TERMINAL_DEV *TerminalDevice,\r | |
895 | EFI_INPUT_KEY *Output\r | |
896 | )\r | |
95276127 | 897 | {\r |
898 | UINT8 Head;\r | |
899 | \r | |
900 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
901 | \r | |
902 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
903 | //\r | |
904 | // FIFO is empty\r | |
905 | //\r | |
906 | Output->ScanCode = SCAN_NULL;\r | |
907 | Output->UnicodeChar = 0;\r | |
908 | return FALSE;\r | |
909 | }\r | |
910 | \r | |
911 | *Output = TerminalDevice->EfiKeyFiFo.Data[Head];\r | |
912 | \r | |
913 | TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
914 | \r | |
915 | return TRUE;\r | |
916 | }\r | |
917 | \r | |
e49ef433 | 918 | /**\r |
919 | Clarify whether FIFO buffer is empty.\r | |
920 | \r | |
921 | @param TerminalDevice Terminal driver private structure\r | |
922 | \r | |
923 | @return TRUE If FIFO buffer is empty.\r | |
924 | @return FLASE If FIFO buffer is not empty.\r | |
925 | \r | |
926 | **/\r | |
95276127 | 927 | BOOLEAN\r |
928 | IsEfiKeyFiFoEmpty (\r | |
929 | TERMINAL_DEV *TerminalDevice\r | |
930 | )\r | |
95276127 | 931 | {\r |
932 | if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) {\r | |
933 | return TRUE;\r | |
934 | } else {\r | |
935 | return FALSE;\r | |
936 | }\r | |
937 | }\r | |
938 | \r | |
e49ef433 | 939 | /**\r |
940 | Clarify whether FIFO buffer is full.\r | |
941 | \r | |
942 | @param TerminalDevice Terminal driver private structure\r | |
943 | \r | |
944 | @return TRUE If FIFO buffer is full.\r | |
945 | @return FLASE If FIFO buffer is not full.\r | |
946 | \r | |
947 | **/\r | |
95276127 | 948 | BOOLEAN\r |
949 | IsEfiKeyFiFoFull (\r | |
950 | TERMINAL_DEV *TerminalDevice\r | |
951 | )\r | |
95276127 | 952 | {\r |
953 | UINT8 Tail;\r | |
954 | UINT8 Head;\r | |
955 | \r | |
956 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
957 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
958 | \r | |
959 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
960 | \r | |
961 | return TRUE;\r | |
962 | }\r | |
963 | \r | |
964 | return FALSE;\r | |
965 | }\r | |
966 | \r | |
e49ef433 | 967 | /**\r |
968 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
969 | \r | |
970 | @param TerminalDevice Terminal driver private structure.\r | |
971 | @param Input The key will be input.\r | |
972 | \r | |
973 | @return TRUE If insert successfully.\r | |
974 | @return FLASE If Unicode FIFO buffer is full before key insertion,\r | |
975 | and the key is lost.\r | |
976 | \r | |
977 | **/\r | |
95276127 | 978 | BOOLEAN\r |
979 | UnicodeFiFoInsertOneKey (\r | |
980 | TERMINAL_DEV *TerminalDevice,\r | |
981 | UINT16 Input\r | |
982 | )\r | |
95276127 | 983 | {\r |
984 | UINT8 Tail;\r | |
985 | \r | |
986 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
987 | \r | |
988 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
989 | //\r | |
990 | // Unicode FIFO is full\r | |
991 | //\r | |
992 | return FALSE;\r | |
993 | }\r | |
994 | \r | |
995 | TerminalDevice->UnicodeFiFo.Data[Tail] = Input;\r | |
996 | \r | |
997 | TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
998 | \r | |
999 | return TRUE;\r | |
1000 | }\r | |
1001 | \r | |
e49ef433 | 1002 | /**\r |
1003 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
1004 | \r | |
1005 | @param TerminalDevice Terminal driver private structure.\r | |
1006 | @param Output The key will be removed.\r | |
1007 | \r | |
1008 | @return TRUE If insert successfully.\r | |
1009 | @return FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
1010 | \r | |
1011 | **/\r | |
95276127 | 1012 | BOOLEAN\r |
1013 | UnicodeFiFoRemoveOneKey (\r | |
1014 | TERMINAL_DEV *TerminalDevice,\r | |
1015 | UINT16 *Output\r | |
1016 | )\r | |
95276127 | 1017 | {\r |
1018 | UINT8 Head;\r | |
1019 | \r | |
1020 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1021 | \r | |
1022 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1023 | //\r | |
1024 | // FIFO is empty\r | |
1025 | //\r | |
1026 | Output = NULL;\r | |
1027 | return FALSE;\r | |
1028 | }\r | |
1029 | \r | |
1030 | *Output = TerminalDevice->UnicodeFiFo.Data[Head];\r | |
1031 | \r | |
1032 | TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1033 | \r | |
1034 | return TRUE;\r | |
1035 | }\r | |
1036 | \r | |
e49ef433 | 1037 | /**\r |
1038 | Clarify whether Unicode FIFO buffer is empty.\r | |
1039 | \r | |
1040 | @param TerminalDevice Terminal driver private structure\r | |
1041 | \r | |
1042 | @return TRUE If Unicode FIFO buffer is empty.\r | |
1043 | @return FLASE If Unicode FIFO buffer is not empty.\r | |
1044 | \r | |
1045 | **/\r | |
95276127 | 1046 | BOOLEAN\r |
1047 | IsUnicodeFiFoEmpty (\r | |
1048 | TERMINAL_DEV *TerminalDevice\r | |
1049 | )\r | |
95276127 | 1050 | {\r |
1051 | if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) {\r | |
1052 | return TRUE;\r | |
1053 | } else {\r | |
1054 | return FALSE;\r | |
1055 | }\r | |
1056 | }\r | |
1057 | \r | |
e49ef433 | 1058 | /**\r |
1059 | Clarify whether Unicode FIFO buffer is full.\r | |
1060 | \r | |
1061 | @param TerminalDevice Terminal driver private structure\r | |
1062 | \r | |
1063 | @return TRUE If Unicode FIFO buffer is full.\r | |
1064 | @return FLASE If Unicode FIFO buffer is not full.\r | |
1065 | \r | |
1066 | **/\r | |
95276127 | 1067 | BOOLEAN\r |
1068 | IsUnicodeFiFoFull (\r | |
1069 | TERMINAL_DEV *TerminalDevice\r | |
1070 | )\r | |
95276127 | 1071 | {\r |
1072 | UINT8 Tail;\r | |
1073 | UINT8 Head;\r | |
1074 | \r | |
1075 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1076 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1077 | \r | |
1078 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1079 | \r | |
1080 | return TRUE;\r | |
1081 | }\r | |
1082 | \r | |
1083 | return FALSE;\r | |
1084 | }\r | |
1085 | \r | |
8fd98315 | 1086 | /**\r |
1087 | Count Unicode FIFO buffer.\r | |
1088 | \r | |
1089 | @param TerminalDevice Terminal driver private structure\r | |
1090 | \r | |
1091 | @return The count in bytes of Unicode FIFO.\r | |
1092 | \r | |
1093 | **/\r | |
95276127 | 1094 | UINT8\r |
1095 | UnicodeFiFoGetKeyCount (\r | |
1096 | TERMINAL_DEV *TerminalDevice\r | |
1097 | )\r | |
1098 | {\r | |
1099 | UINT8 Tail;\r | |
1100 | UINT8 Head;\r | |
1101 | \r | |
1102 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1103 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1104 | \r | |
1105 | if (Tail >= Head) {\r | |
1106 | return (UINT8) (Tail - Head);\r | |
1107 | } else {\r | |
1108 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1109 | }\r | |
1110 | }\r | |
1111 | \r | |
8fd98315 | 1112 | /**\r |
1113 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
1114 | \r | |
1115 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
1116 | \r | |
1117 | @return None.\r | |
1118 | \r | |
1119 | **/\r | |
95276127 | 1120 | VOID\r |
1121 | UnicodeToEfiKeyFlushState (\r | |
1122 | IN TERMINAL_DEV *TerminalDevice\r | |
1123 | )\r | |
1124 | {\r | |
1125 | EFI_INPUT_KEY Key;\r | |
1126 | \r | |
ab76200c | 1127 | if ((TerminalDevice->InputState & INPUT_STATE_ESC) != 0) {\r |
95276127 | 1128 | Key.ScanCode = SCAN_ESC;\r |
1129 | Key.UnicodeChar = 0;\r | |
1130 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1131 | }\r | |
1132 | \r | |
ab76200c | 1133 | if ((TerminalDevice->InputState & INPUT_STATE_CSI) != 0) {\r |
95276127 | 1134 | Key.ScanCode = SCAN_NULL;\r |
1135 | Key.UnicodeChar = CSI;\r | |
1136 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1137 | }\r | |
1138 | \r | |
ab76200c | 1139 | if ((TerminalDevice->InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r |
95276127 | 1140 | Key.ScanCode = SCAN_NULL;\r |
1141 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1142 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1143 | }\r | |
1144 | \r | |
ab76200c | 1145 | if ((TerminalDevice->InputState & INPUT_STATE_O) != 0) {\r |
95276127 | 1146 | Key.ScanCode = SCAN_NULL;\r |
1147 | Key.UnicodeChar = 'O';\r | |
1148 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1149 | }\r | |
1150 | \r | |
ab76200c | 1151 | if ((TerminalDevice->InputState & INPUT_STATE_2) != 0) {\r |
95276127 | 1152 | Key.ScanCode = SCAN_NULL;\r |
1153 | Key.UnicodeChar = '2';\r | |
1154 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1155 | }\r | |
1156 | \r | |
ab76200c | 1157 | //\r |
1158 | // Cancel the timer.\r | |
1159 | //\r | |
95276127 | 1160 | gBS->SetTimer (\r |
1161 | TerminalDevice->TwoSecondTimeOut,\r | |
1162 | TimerCancel,\r | |
1163 | 0\r | |
1164 | );\r | |
1165 | \r | |
1166 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1167 | }\r | |
1168 | \r | |
e49ef433 | 1169 | \r |
1170 | /**\r | |
1171 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
8fd98315 | 1172 | can be read through the Simple Input Protocol. \r |
1173 | \r | |
1174 | The table below shows the keyboard input mappings that this function supports.\r | |
1175 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
1176 | into the coorespoding EFI Scan Code. If a matching sequence is not found, then the raw\r | |
1177 | key strokes are converted into EFI Keys.\r | |
1178 | \r | |
e49ef433 | 1179 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r |
1180 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1181 | converted into EFI Keys.\r | |
1182 | There is one special input sequence that will force the system to reset.\r | |
1183 | This is ESC R ESC r ESC R.\r | |
1184 | \r | |
1185 | Symbols used in table below\r | |
1186 | ===========================\r | |
1187 | ESC = 0x1B\r | |
1188 | CSI = 0x9B\r | |
1189 | DEL = 0x7f\r | |
1190 | ^ = CTRL\r | |
8fd98315 | 1191 | \r |
e49ef433 | 1192 | +=========+======+===========+==========+==========+\r |
1193 | | | EFI | UEFI 2.0 | | |\r | |
1194 | | | Scan | | VT100+ | |\r | |
1195 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1196 | +=========+======+===========+==========+==========+\r | |
1197 | | NULL | 0x00 | | | |\r | |
1198 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1199 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1200 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1201 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1202 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1203 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1204 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1205 | | | | ESC [ L | | ESC [ L |\r | |
1206 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1207 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1208 | | | | | | ESC [ ? |\r | |
1209 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1210 | | | | | | ESC [ / |\r | |
1211 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1212 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1213 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1214 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1215 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1216 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1217 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1218 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1219 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1220 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1221 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1222 | | F11 | 0x15 | | ESC ! | |\r | |
1223 | | F12 | 0x16 | | ESC @ | |\r | |
1224 | +=========+======+===========+==========+==========+\r | |
8fd98315 | 1225 | \r |
e49ef433 | 1226 | Special Mappings\r |
1227 | ================\r | |
1228 | ESC R ESC r ESC R = Reset System\r | |
1229 | \r | |
e49ef433 | 1230 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1231 | \r | |
8fd98315 | 1232 | @return None.\r |
e49ef433 | 1233 | \r |
1234 | **/\r | |
95276127 | 1235 | VOID\r |
1236 | UnicodeToEfiKey (\r | |
1237 | IN TERMINAL_DEV *TerminalDevice\r | |
1238 | )\r | |
95276127 | 1239 | {\r |
1240 | EFI_STATUS Status;\r | |
1241 | EFI_STATUS TimerStatus;\r | |
1242 | UINT16 UnicodeChar;\r | |
1243 | EFI_INPUT_KEY Key;\r | |
1244 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1245 | \r |
95276127 | 1246 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1247 | \r | |
1248 | if (!EFI_ERROR (TimerStatus)) {\r | |
1249 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1250 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1251 | }\r | |
1252 | \r | |
1253 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1254 | \r |
95276127 | 1255 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1256 | //\r | |
1257 | // Check to see if the 2 second timer has expired\r | |
1258 | //\r | |
1259 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1260 | if (!EFI_ERROR (TimerStatus)) {\r | |
1261 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1262 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1263 | }\r | |
1264 | }\r | |
1265 | \r | |
1266 | //\r | |
1267 | // Fetch one Unicode character from the Unicode FIFO\r | |
1268 | //\r | |
8fd98315 | 1269 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r |
95276127 | 1270 | \r |
1271 | SetDefaultResetState = TRUE;\r | |
1272 | \r | |
1273 | switch (TerminalDevice->InputState) {\r | |
1274 | case INPUT_STATE_DEFAULT:\r | |
1275 | \r | |
1276 | break;\r | |
1277 | \r | |
1278 | case INPUT_STATE_ESC:\r | |
1279 | \r | |
1280 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1281 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1282 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1283 | continue;\r | |
1284 | }\r | |
1285 | \r | |
e49ef433 | 1286 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1287 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
1288 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1289 | continue;\r | |
1290 | }\r | |
1291 | \r | |
1292 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1293 | \r |
e49ef433 | 1294 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
1295 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1296 | switch (UnicodeChar) {\r |
fb0b259e | 1297 | case '1':\r |
1298 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1299 | break;\r |
fb0b259e | 1300 | case '2':\r |
1301 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1302 | break;\r |
fb0b259e | 1303 | case '3':\r |
1304 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1305 | break;\r |
fb0b259e | 1306 | case '4':\r |
1307 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1308 | break;\r |
fb0b259e | 1309 | case '5':\r |
1310 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1311 | break;\r |
fb0b259e | 1312 | case '6':\r |
1313 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1314 | break;\r |
fb0b259e | 1315 | case '7':\r |
1316 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1317 | break;\r |
fb0b259e | 1318 | case '8':\r |
1319 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1320 | break;\r |
fb0b259e | 1321 | case '9':\r |
1322 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1323 | break;\r |
fb0b259e | 1324 | case '0':\r |
1325 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1326 | break;\r |
66aa04e4 | 1327 | case '!':\r |
1328 | Key.ScanCode = SCAN_F11;\r | |
1329 | break;\r | |
1330 | case '@':\r | |
1331 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1332 | break;\r |
fb0b259e | 1333 | case 'h':\r |
1334 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1335 | break;\r |
fb0b259e | 1336 | case 'k':\r |
1337 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1338 | break;\r |
fb0b259e | 1339 | case '+':\r |
1340 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1341 | break;\r |
fb0b259e | 1342 | case '-':\r |
1343 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1344 | break;\r |
fb0b259e | 1345 | case '/':\r |
1346 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1347 | break;\r | |
1348 | case '?':\r | |
1349 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1350 | break;\r | |
1351 | default :\r | |
95276127 | 1352 | break;\r |
1353 | }\r | |
1354 | }\r | |
fb0b259e | 1355 | \r |
95276127 | 1356 | switch (UnicodeChar) {\r |
fb0b259e | 1357 | case 'R':\r |
95276127 | 1358 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1359 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1360 | SetDefaultResetState = FALSE;\r | |
1361 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1362 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1363 | }\r | |
1364 | Key.ScanCode = SCAN_NULL;\r | |
1365 | break;\r | |
fb0b259e | 1366 | case 'r':\r |
95276127 | 1367 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1368 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1369 | SetDefaultResetState = FALSE;\r | |
1370 | }\r | |
1371 | Key.ScanCode = SCAN_NULL;\r | |
1372 | break;\r | |
fb0b259e | 1373 | default :\r |
95276127 | 1374 | break;\r |
1375 | }\r | |
1376 | \r | |
1377 | if (SetDefaultResetState) {\r | |
1378 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1379 | }\r | |
1380 | \r | |
1381 | if (Key.ScanCode != SCAN_NULL) {\r | |
1382 | Key.UnicodeChar = 0;\r | |
1383 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1384 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1385 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1386 | continue;\r | |
1387 | }\r | |
1388 | \r | |
1389 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1390 | \r | |
1391 | break;\r | |
1392 | \r | |
1393 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1394 | \r | |
1395 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1396 | \r | |
1397 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1398 | \r |
e49ef433 | 1399 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1400 | switch (UnicodeChar) {\r |
fb0b259e | 1401 | case 'P':\r |
1402 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1403 | break;\r |
fb0b259e | 1404 | case 'Q':\r |
1405 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1406 | break;\r |
fb0b259e | 1407 | case 'w':\r |
1408 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1409 | break;\r |
fb0b259e | 1410 | case 'x':\r |
1411 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1412 | break;\r |
fb0b259e | 1413 | case 't':\r |
1414 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1415 | break;\r |
fb0b259e | 1416 | case 'u':\r |
1417 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1418 | break;\r |
fb0b259e | 1419 | case 'q':\r |
1420 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1421 | break;\r |
fb0b259e | 1422 | case 'r':\r |
1423 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1424 | break;\r |
fb0b259e | 1425 | case 'p':\r |
1426 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1427 | break;\r |
fb0b259e | 1428 | case 'M':\r |
1429 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1430 | break;\r |
fb0b259e | 1431 | default :\r |
95276127 | 1432 | break;\r |
1433 | }\r | |
1434 | }\r | |
1435 | \r | |
1436 | if (Key.ScanCode != SCAN_NULL) {\r | |
1437 | Key.UnicodeChar = 0;\r | |
1438 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1439 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1440 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1441 | continue;\r | |
1442 | }\r | |
1443 | \r | |
1444 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1445 | \r | |
1446 | break;\r | |
1447 | \r | |
1448 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1449 | \r |
95276127 | 1450 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1451 | \r |
95276127 | 1452 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1453 | \r |
e49ef433 | 1454 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1455 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
1456 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
1457 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1458 | switch (UnicodeChar) {\r |
fb0b259e | 1459 | case 'A':\r |
1460 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1461 | break;\r |
fb0b259e | 1462 | case 'B':\r |
1463 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1464 | break;\r |
fb0b259e | 1465 | case 'C':\r |
1466 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1467 | break;\r |
fb0b259e | 1468 | case 'D':\r |
1469 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1470 | break;\r |
fb0b259e | 1471 | case 'H':\r |
e49ef433 | 1472 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1473 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1474 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1475 | }\r |
1476 | break;\r | |
fb0b259e | 1477 | case 'F':\r |
e49ef433 | 1478 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1479 | Key.ScanCode = SCAN_END;\r |
1480 | }\r | |
1481 | break;\r | |
fb0b259e | 1482 | case 'K':\r |
e49ef433 | 1483 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1484 | Key.ScanCode = SCAN_END;\r |
95276127 | 1485 | }\r |
1486 | break;\r | |
fb0b259e | 1487 | case 'L':\r |
1488 | case '@':\r | |
e49ef433 | 1489 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1490 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1491 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1492 | }\r |
1493 | break;\r | |
fb0b259e | 1494 | case 'X':\r |
e49ef433 | 1495 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1496 | Key.ScanCode = SCAN_DELETE;\r |
1497 | }\r | |
1498 | break;\r | |
fb0b259e | 1499 | case 'P':\r |
e49ef433 | 1500 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1501 | Key.ScanCode = SCAN_DELETE;\r |
e49ef433 | 1502 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1503 | Key.ScanCode = SCAN_F4;\r |
1504 | }\r | |
1505 | break;\r | |
fb0b259e | 1506 | case 'I':\r |
e49ef433 | 1507 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1508 | Key.ScanCode = SCAN_PAGE_UP;\r |
1509 | }\r | |
fb0b259e | 1510 | break;\r |
1511 | case 'V':\r | |
e49ef433 | 1512 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1513 | Key.ScanCode = SCAN_F10;\r |
fb0b259e | 1514 | }\r |
1515 | case '?':\r | |
e49ef433 | 1516 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1517 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1518 | }\r |
1519 | break;\r | |
fb0b259e | 1520 | case 'G':\r |
e49ef433 | 1521 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1522 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
1523 | }\r | |
fb0b259e | 1524 | break;\r |
1525 | case 'U':\r | |
e49ef433 | 1526 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1527 | Key.ScanCode = SCAN_F9;\r |
1528 | }\r | |
fb0b259e | 1529 | case '/':\r |
e49ef433 | 1530 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1531 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1532 | }\r |
1533 | break;\r | |
fb0b259e | 1534 | case 'M':\r |
e49ef433 | 1535 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1536 | Key.ScanCode = SCAN_F1;\r |
1537 | }\r | |
fb0b259e | 1538 | break;\r |
1539 | case 'N':\r | |
e49ef433 | 1540 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1541 | Key.ScanCode = SCAN_F2;\r |
1542 | }\r | |
fb0b259e | 1543 | break;\r |
1544 | case 'O':\r | |
e49ef433 | 1545 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1546 | Key.ScanCode = SCAN_F3;\r |
1547 | }\r | |
fb0b259e | 1548 | break;\r |
1549 | case 'Q':\r | |
e49ef433 | 1550 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1551 | Key.ScanCode = SCAN_F5;\r |
1552 | }\r | |
fb0b259e | 1553 | break;\r |
1554 | case 'R':\r | |
e49ef433 | 1555 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1556 | Key.ScanCode = SCAN_F6;\r |
1557 | }\r | |
fb0b259e | 1558 | break;\r |
1559 | case 'S':\r | |
e49ef433 | 1560 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1561 | Key.ScanCode = SCAN_F7;\r |
1562 | }\r | |
fb0b259e | 1563 | break;\r |
1564 | case 'T':\r | |
e49ef433 | 1565 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1566 | Key.ScanCode = SCAN_F8;\r |
1567 | }\r | |
fb0b259e | 1568 | break;\r |
1569 | default :\r | |
95276127 | 1570 | break;\r |
1571 | }\r | |
1572 | }\r | |
1573 | \r | |
1574 | if (Key.ScanCode != SCAN_NULL) {\r | |
1575 | Key.UnicodeChar = 0;\r | |
1576 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1577 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1578 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1579 | continue;\r | |
1580 | }\r | |
1581 | \r | |
1582 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1583 | \r | |
1584 | break;\r | |
1585 | \r | |
fb0b259e | 1586 | \r |
95276127 | 1587 | default:\r |
1588 | //\r | |
1589 | // Invalid state. This should never happen.\r | |
1590 | //\r | |
1591 | ASSERT (FALSE);\r | |
1592 | \r | |
1593 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1594 | \r | |
1595 | break;\r | |
1596 | }\r | |
1597 | \r | |
1598 | if (UnicodeChar == ESC) {\r | |
1599 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1600 | }\r | |
66aa04e4 | 1601 | \r |
1602 | if (UnicodeChar == CSI) {\r | |
1603 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1604 | }\r | |
fb0b259e | 1605 | \r |
95276127 | 1606 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1607 | Status = gBS->SetTimer(\r | |
1608 | TerminalDevice->TwoSecondTimeOut,\r | |
1609 | TimerRelative,\r | |
1610 | (UINT64)20000000\r | |
1611 | );\r | |
1612 | ASSERT_EFI_ERROR (Status);\r | |
1613 | continue;\r | |
1614 | }\r | |
1615 | \r | |
1616 | if (SetDefaultResetState) {\r | |
1617 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1618 | }\r | |
1619 | \r | |
1620 | if (UnicodeChar == DEL) {\r | |
1621 | Key.ScanCode = SCAN_DELETE;\r | |
1622 | Key.UnicodeChar = 0;\r | |
1623 | } else {\r | |
1624 | Key.ScanCode = SCAN_NULL;\r | |
1625 | Key.UnicodeChar = UnicodeChar;\r | |
1626 | }\r | |
1627 | \r | |
1628 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1629 | }\r | |
1630 | }\r |