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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 | |
11baadb6 | 20 | be used to test for existence of a keystroke via WaitForEvent () call.\r |
e49ef433 | 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 | |
11baadb6 | 28 | @retval EFI_NOT_READY There was no keystroke data available.\r |
e49ef433 | 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 | |
11baadb6 | 42 | LIST_ENTRY *NotifyList;\r |
66aa04e4 | 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 | |
11baadb6 | 70 | NotifyList = &TerminalDevice->NotifyList;\r |
71 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
66aa04e4 | 72 | CurrentNotify = CR (\r |
fb0b259e | 73 | Link,\r |
74 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
75 | NotifyEntry,\r | |
66aa04e4 | 76 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
77 | );\r | |
fb0b259e | 78 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 79 | CurrentNotify->KeyNotificationFn (KeyData);\r |
80 | }\r | |
81 | }\r | |
82 | \r | |
83 | return EFI_SUCCESS;\r | |
84 | \r | |
85 | }\r | |
86 | \r | |
e49ef433 | 87 | /**\r |
88 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r | |
89 | This driver only perform dependent serial device reset regardless of\r | |
90 | the value of ExtendeVerification\r | |
66aa04e4 | 91 | \r |
e49ef433 | 92 | @param This Indicates the calling context.\r |
93 | @param ExtendedVerification Skip by this driver.\r | |
94 | \r | |
00bfdbe1 | 95 | @retval EFI_SUCCESS The reset operation succeeds.\r |
96 | @retval EFI_DEVICE_ERROR The dependent serial port reset fails.\r | |
e49ef433 | 97 | \r |
98 | **/\r | |
95276127 | 99 | EFI_STATUS\r |
100 | EFIAPI\r | |
101 | TerminalConInReset (\r | |
102 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
103 | IN BOOLEAN ExtendedVerification\r | |
104 | )\r | |
95276127 | 105 | {\r |
106 | EFI_STATUS Status;\r | |
107 | TERMINAL_DEV *TerminalDevice;\r | |
108 | \r | |
109 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
110 | \r | |
111 | //\r | |
112 | // Report progress code here\r | |
113 | //\r | |
114 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
115 | EFI_PROGRESS_CODE,\r | |
97a079ed | 116 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r |
95276127 | 117 | TerminalDevice->DevicePath\r |
118 | );\r | |
119 | \r | |
120 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
121 | \r | |
122 | //\r | |
5c998646 | 123 | // Make all the internal buffer empty for keys\r |
95276127 | 124 | //\r |
5c998646 | 125 | TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail;\r |
126 | TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail;\r | |
127 | TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail;\r | |
95276127 | 128 | \r |
129 | if (EFI_ERROR (Status)) {\r | |
130 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
131 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 132 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 133 | TerminalDevice->DevicePath\r |
134 | );\r | |
135 | }\r | |
136 | \r | |
137 | return Status;\r | |
138 | }\r | |
139 | \r | |
e49ef433 | 140 | /**\r |
141 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
142 | \r | |
8fd98315 | 143 | @param This Indicates the calling context.\r |
144 | @param Key A pointer to a buffer that is filled in with the\r | |
145 | keystroke information for the key that was sent\r | |
146 | from terminal.\r | |
e49ef433 | 147 | \r |
00bfdbe1 | 148 | @retval EFI_SUCCESS The keystroke information is returned successfully.\r |
149 | @retval EFI_NOT_READY There is no keystroke data available.\r | |
150 | @retval EFI_DEVICE_ERROR The dependent serial device encounters error.\r | |
e49ef433 | 151 | \r |
152 | **/\r | |
95276127 | 153 | EFI_STATUS\r |
154 | EFIAPI\r | |
155 | TerminalConInReadKeyStroke (\r | |
156 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
157 | OUT EFI_INPUT_KEY *Key\r | |
158 | )\r | |
95276127 | 159 | {\r |
160 | TERMINAL_DEV *TerminalDevice;\r | |
161 | EFI_STATUS Status;\r | |
66aa04e4 | 162 | EFI_KEY_DATA KeyData;\r |
95276127 | 163 | \r |
95276127 | 164 | //\r |
165 | // get TERMINAL_DEV from "This" parameter.\r | |
166 | //\r | |
167 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
168 | \r | |
66aa04e4 | 169 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r |
95276127 | 170 | if (EFI_ERROR (Status)) {\r |
66aa04e4 | 171 | return Status;\r |
172 | }\r | |
173 | \r | |
174 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
175 | \r | |
176 | return EFI_SUCCESS;\r | |
177 | \r | |
178 | }\r | |
179 | \r | |
e49ef433 | 180 | /**\r |
8fd98315 | 181 | Check if the key already has been registered.\r |
5c998646 | 182 | \r |
11baadb6 | 183 | If both RegsiteredData and InputData is NULL, then ASSERT().\r |
e49ef433 | 184 | \r |
185 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
186 | keystroke state data for the key that was\r | |
187 | registered.\r | |
188 | @param InputData A pointer to a buffer that is filled in with the\r | |
189 | keystroke state data for the key that was\r | |
190 | pressed.\r | |
191 | \r | |
192 | @retval TRUE Key be pressed matches a registered key.\r | |
193 | @retval FLASE Match failed.\r | |
194 | \r | |
195 | **/\r | |
66aa04e4 | 196 | BOOLEAN\r |
197 | IsKeyRegistered (\r | |
198 | IN EFI_KEY_DATA *RegsiteredData,\r | |
199 | IN EFI_KEY_DATA *InputData\r | |
200 | )\r | |
66aa04e4 | 201 | {\r |
202 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
fb0b259e | 203 | \r |
66aa04e4 | 204 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r |
205 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r | |
fb0b259e | 206 | return FALSE;\r |
207 | }\r | |
208 | \r | |
66aa04e4 | 209 | return TRUE;\r |
210 | }\r | |
211 | \r | |
212 | \r | |
e49ef433 | 213 | \r |
214 | /**\r | |
215 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
216 | Signal the event if there is key available\r | |
217 | \r | |
218 | @param Event Indicates the event that invoke this function.\r | |
219 | @param Context Indicates the calling context.\r | |
220 | \r | |
e49ef433 | 221 | **/\r |
66aa04e4 | 222 | VOID\r |
223 | EFIAPI\r | |
224 | TerminalConInWaitForKeyEx (\r | |
225 | IN EFI_EVENT Event,\r | |
226 | IN VOID *Context\r | |
227 | )\r | |
66aa04e4 | 228 | {\r |
229 | TERMINAL_DEV *TerminalDevice;\r | |
fb0b259e | 230 | \r |
66aa04e4 | 231 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (Context);\r |
232 | \r | |
233 | TerminalConInWaitForKey (Event, &TerminalDevice->SimpleInput);\r | |
234 | \r | |
235 | }\r | |
236 | \r | |
237 | //\r | |
238 | // Simple Text Input Ex protocol functions\r | |
239 | //\r | |
240 | \r | |
e49ef433 | 241 | /**\r |
11baadb6 | 242 | Reset the input device and optionally run diagnostics\r |
e49ef433 | 243 | \r |
244 | @param This Protocol instance pointer.\r | |
245 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
246 | \r | |
247 | @retval EFI_SUCCESS The device was reset.\r | |
248 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
249 | not be reset.\r | |
250 | \r | |
251 | **/\r | |
66aa04e4 | 252 | EFI_STATUS\r |
253 | EFIAPI\r | |
254 | TerminalConInResetEx (\r | |
255 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
256 | IN BOOLEAN ExtendedVerification\r | |
257 | )\r | |
66aa04e4 | 258 | {\r |
259 | EFI_STATUS Status;\r | |
260 | TERMINAL_DEV *TerminalDevice;\r | |
261 | \r | |
262 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
263 | \r | |
264 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
265 | if (EFI_ERROR (Status)) {\r | |
266 | return EFI_DEVICE_ERROR;\r | |
95276127 | 267 | }\r |
268 | \r | |
66aa04e4 | 269 | return EFI_SUCCESS;\r |
fb0b259e | 270 | \r |
66aa04e4 | 271 | }\r |
272 | \r | |
e49ef433 | 273 | \r |
274 | /**\r | |
275 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
11baadb6 | 276 | be used to test for existence of a keystroke via WaitForEvent () call.\r |
e49ef433 | 277 | \r |
278 | @param This Protocol instance pointer.\r | |
279 | @param KeyData A pointer to a buffer that is filled in with the\r | |
280 | keystroke state data for the key that was\r | |
281 | pressed.\r | |
282 | \r | |
283 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
11baadb6 | 284 | @retval EFI_NOT_READY There was no keystroke data available.\r |
e49ef433 | 285 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r |
286 | to hardware errors.\r | |
287 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
288 | \r | |
289 | **/\r | |
66aa04e4 | 290 | EFI_STATUS\r |
291 | EFIAPI\r | |
292 | TerminalConInReadKeyStrokeEx (\r | |
293 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
294 | OUT EFI_KEY_DATA *KeyData\r | |
295 | )\r | |
66aa04e4 | 296 | {\r |
297 | TERMINAL_DEV *TerminalDevice;\r | |
298 | \r | |
299 | if (KeyData == NULL) {\r | |
300 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 301 | }\r |
66aa04e4 | 302 | \r |
303 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
304 | \r | |
305 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
306 | \r | |
307 | }\r | |
308 | \r | |
e49ef433 | 309 | \r |
310 | /**\r | |
311 | Set certain state for the input device.\r | |
312 | \r | |
313 | @param This Protocol instance pointer.\r | |
314 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
315 | state for the input device.\r | |
316 | \r | |
317 | @retval EFI_SUCCESS The device state was set successfully.\r | |
318 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
319 | could not have the setting adjusted.\r | |
320 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
321 | state.\r | |
322 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
323 | \r | |
324 | **/\r | |
66aa04e4 | 325 | EFI_STATUS\r |
326 | EFIAPI\r | |
327 | TerminalConInSetState (\r | |
328 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
329 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
330 | )\r | |
66aa04e4 | 331 | {\r |
332 | if (KeyToggleState == NULL) {\r | |
333 | return EFI_INVALID_PARAMETER;\r | |
334 | }\r | |
95276127 | 335 | \r |
336 | return EFI_SUCCESS;\r | |
66aa04e4 | 337 | }\r |
95276127 | 338 | \r |
e49ef433 | 339 | \r |
340 | /**\r | |
341 | Register a notification function for a particular keystroke for the input device.\r | |
342 | \r | |
343 | @param This Protocol instance pointer.\r | |
344 | @param KeyData A pointer to a buffer that is filled in with the\r | |
345 | keystroke information data for the key that was\r | |
346 | pressed.\r | |
347 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
348 | sequence is typed specified by KeyData.\r | |
349 | @param NotifyHandle Points to the unique handle assigned to the\r | |
350 | registered notification.\r | |
351 | \r | |
352 | @retval EFI_SUCCESS The notification function was registered\r | |
353 | successfully.\r | |
11baadb6 | 354 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data\r |
e49ef433 | 355 | structures.\r |
356 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
357 | \r | |
358 | **/\r | |
66aa04e4 | 359 | EFI_STATUS\r |
360 | EFIAPI\r | |
361 | TerminalConInRegisterKeyNotify (\r | |
362 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
363 | IN EFI_KEY_DATA *KeyData,\r | |
364 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
365 | OUT EFI_HANDLE *NotifyHandle\r | |
366 | )\r | |
66aa04e4 | 367 | {\r |
368 | EFI_STATUS Status;\r | |
369 | TERMINAL_DEV *TerminalDevice;\r | |
370 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
371 | LIST_ENTRY *Link;\r | |
11baadb6 | 372 | LIST_ENTRY *NotifyList;\r |
fb0b259e | 373 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
66aa04e4 | 374 | \r |
375 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
376 | return EFI_INVALID_PARAMETER;\r | |
377 | }\r | |
378 | \r | |
379 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
380 | \r | |
381 | //\r | |
382 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
383 | //\r | |
11baadb6 | 384 | NotifyList = &TerminalDevice->NotifyList;\r |
385 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
66aa04e4 | 386 | CurrentNotify = CR (\r |
fb0b259e | 387 | Link,\r |
388 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
389 | NotifyEntry,\r | |
66aa04e4 | 390 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
391 | );\r | |
fb0b259e | 392 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 393 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
fb0b259e | 394 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
66aa04e4 | 395 | return EFI_SUCCESS;\r |
396 | }\r | |
397 | }\r | |
398 | }\r | |
399 | \r | |
400 | //\r | |
401 | // Allocate resource to save the notification function\r | |
fb0b259e | 402 | //\r |
66aa04e4 | 403 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
404 | if (NewNotify == NULL) {\r | |
405 | return EFI_OUT_OF_RESOURCES;\r | |
fb0b259e | 406 | }\r |
66aa04e4 | 407 | \r |
fb0b259e | 408 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
66aa04e4 | 409 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
410 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r | |
411 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r | |
412 | //\r | |
413 | // Use gSimpleTextInExNotifyGuid to get a valid EFI_HANDLE\r | |
fb0b259e | 414 | //\r |
66aa04e4 | 415 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
416 | &NewNotify->NotifyHandle,\r | |
417 | &gSimpleTextInExNotifyGuid,\r | |
418 | NULL,\r | |
419 | NULL\r | |
420 | );\r | |
421 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 422 | *NotifyHandle = NewNotify->NotifyHandle;\r |
66aa04e4 | 423 | \r |
424 | return EFI_SUCCESS;\r | |
95276127 | 425 | }\r |
426 | \r | |
e49ef433 | 427 | \r |
428 | /**\r | |
429 | Remove a registered notification function from a particular keystroke.\r | |
430 | \r | |
431 | @param This Protocol instance pointer.\r | |
432 | @param NotificationHandle The handle of the notification function being\r | |
433 | unregistered.\r | |
434 | \r | |
435 | @retval EFI_SUCCESS The notification function was unregistered\r | |
436 | successfully.\r | |
437 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
438 | @retval EFI_NOT_FOUND Can not find the matching entry in database.\r | |
439 | \r | |
440 | **/\r | |
66aa04e4 | 441 | EFI_STATUS\r |
442 | EFIAPI\r | |
443 | TerminalConInUnregisterKeyNotify (\r | |
444 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
445 | IN EFI_HANDLE NotificationHandle\r | |
446 | )\r | |
66aa04e4 | 447 | {\r |
448 | EFI_STATUS Status;\r | |
449 | TERMINAL_DEV *TerminalDevice;\r | |
450 | LIST_ENTRY *Link;\r | |
451 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
11baadb6 | 452 | LIST_ENTRY *NotifyList;\r |
5c998646 | 453 | \r |
66aa04e4 | 454 | if (NotificationHandle == NULL) {\r |
455 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 456 | }\r |
457 | \r | |
66aa04e4 | 458 | Status = gBS->OpenProtocol (\r |
459 | NotificationHandle,\r | |
460 | &gSimpleTextInExNotifyGuid,\r | |
461 | NULL,\r | |
462 | NULL,\r | |
463 | NULL,\r | |
464 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
465 | );\r | |
466 | if (EFI_ERROR (Status)) {\r | |
467 | return EFI_INVALID_PARAMETER;\r | |
468 | }\r | |
469 | \r | |
470 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
471 | \r | |
11baadb6 | 472 | NotifyList = &TerminalDevice->NotifyList;\r |
473 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
66aa04e4 | 474 | CurrentNotify = CR (\r |
fb0b259e | 475 | Link,\r |
476 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
477 | NotifyEntry,\r | |
66aa04e4 | 478 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
479 | );\r | |
480 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r | |
481 | //\r | |
482 | // Remove the notification function from NotifyList and free resources\r | |
483 | //\r | |
fb0b259e | 484 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
66aa04e4 | 485 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
486 | CurrentNotify->NotifyHandle,\r | |
487 | &gSimpleTextInExNotifyGuid,\r | |
488 | NULL,\r | |
489 | NULL\r | |
490 | );\r | |
491 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 492 | gBS->FreePool (CurrentNotify);\r |
66aa04e4 | 493 | return EFI_SUCCESS;\r |
494 | }\r | |
495 | }\r | |
fb0b259e | 496 | \r |
497 | return EFI_NOT_FOUND;\r | |
66aa04e4 | 498 | }\r |
499 | \r | |
e49ef433 | 500 | /**\r |
5c998646 | 501 | Translate raw data into Unicode (according to different encode), and\r |
502 | translate Unicode into key information. (according to different standard).\r | |
66aa04e4 | 503 | \r |
e49ef433 | 504 | @param TerminalDevice Terminal driver private structure.\r |
505 | \r | |
e49ef433 | 506 | **/\r |
95276127 | 507 | VOID\r |
508 | TranslateRawDataToEfiKey (\r | |
509 | IN TERMINAL_DEV *TerminalDevice\r | |
510 | )\r | |
95276127 | 511 | {\r |
512 | switch (TerminalDevice->TerminalType) {\r | |
513 | \r | |
e49ef433 | 514 | case PCANSITYPE:\r |
515 | case VT100TYPE:\r | |
516 | case VT100PLUSTYPE:\r | |
95276127 | 517 | AnsiRawDataToUnicode (TerminalDevice);\r |
518 | UnicodeToEfiKey (TerminalDevice);\r | |
519 | break;\r | |
520 | \r | |
e49ef433 | 521 | case VTUTF8TYPE:\r |
95276127 | 522 | //\r |
523 | // Process all the raw data in the RawFIFO,\r | |
524 | // put the processed key into UnicodeFIFO.\r | |
525 | //\r | |
526 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
527 | \r | |
528 | //\r | |
529 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
530 | // then put into EfiKeyFIFO.\r | |
531 | //\r | |
532 | UnicodeToEfiKey (TerminalDevice);\r | |
533 | \r | |
534 | break;\r | |
535 | }\r | |
536 | }\r | |
537 | \r | |
e49ef433 | 538 | /**\r |
539 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
540 | Signal the event if there is key available\r | |
541 | \r | |
542 | @param Event Indicates the event that invoke this function.\r | |
543 | @param Context Indicates the calling context.\r | |
544 | \r | |
e49ef433 | 545 | **/\r |
95276127 | 546 | VOID\r |
547 | EFIAPI\r | |
548 | TerminalConInWaitForKey (\r | |
549 | IN EFI_EVENT Event,\r | |
550 | IN VOID *Context\r | |
551 | )\r | |
95276127 | 552 | {\r |
553 | //\r | |
554 | // Someone is waiting on the keystroke event, if there's\r | |
555 | // a key pending, signal the event\r | |
556 | //\r | |
557 | // Context is the pointer to EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r | |
558 | //\r | |
559 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
560 | \r | |
561 | gBS->SignalEvent (Event);\r | |
562 | }\r | |
563 | }\r | |
564 | \r | |
fb0b259e | 565 | \r |
e49ef433 | 566 | /**\r |
567 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
fb0b259e | 568 | \r |
e49ef433 | 569 | @param This Indicates the calling context.\r |
fb0b259e | 570 | \r |
8fd98315 | 571 | @retval EFI_SUCCESS There is key pending.\r |
572 | @retval EFI_NOT_READY There is no key pending.\r | |
11baadb6 | 573 | @retval EFI_DEVICE_ERROR If Serial IO is not attached to serial device.\r |
fb0b259e | 574 | \r |
e49ef433 | 575 | **/\r |
576 | EFI_STATUS\r | |
577 | TerminalConInCheckForKey (\r | |
578 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
579 | )\r | |
95276127 | 580 | {\r |
581 | EFI_STATUS Status;\r | |
582 | TERMINAL_DEV *TerminalDevice;\r | |
583 | UINT32 Control;\r | |
584 | UINT8 Input;\r | |
585 | EFI_SERIAL_IO_MODE *Mode;\r | |
586 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
587 | UINTN SerialInTimeOut;\r | |
588 | \r | |
589 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
590 | \r | |
591 | SerialIo = TerminalDevice->SerialIo;\r | |
592 | if (SerialIo == NULL) {\r | |
593 | return EFI_DEVICE_ERROR;\r | |
594 | }\r | |
595 | //\r | |
596 | // if current timeout value for serial device is not identical with\r | |
597 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
598 | // timeout value again and set serial attribute according to this value.\r | |
599 | //\r | |
600 | Mode = SerialIo->Mode;\r | |
601 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
602 | \r | |
603 | SerialInTimeOut = 0;\r | |
604 | if (Mode->BaudRate != 0) {\r | |
ab76200c | 605 | //\r |
606 | // According to BAUD rate to calculate the timeout value.\r | |
607 | //\r | |
95276127 | 608 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r |
609 | }\r | |
610 | \r | |
611 | Status = SerialIo->SetAttributes (\r | |
612 | SerialIo,\r | |
613 | Mode->BaudRate,\r | |
614 | Mode->ReceiveFifoDepth,\r | |
615 | (UINT32) SerialInTimeOut,\r | |
616 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
617 | (UINT8) Mode->DataBits,\r | |
618 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
619 | );\r | |
620 | \r | |
621 | if (EFI_ERROR (Status)) {\r | |
622 | TerminalDevice->SerialInTimeOut = 0;\r | |
623 | } else {\r | |
624 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
625 | }\r | |
626 | }\r | |
627 | //\r | |
ab76200c | 628 | // Check whether serial buffer is empty.\r |
95276127 | 629 | //\r |
630 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
631 | \r | |
ab76200c | 632 | if ((Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) != 0) {\r |
95276127 | 633 | //\r |
634 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
635 | // according to different terminal type supported.\r | |
636 | //\r | |
637 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
638 | \r | |
639 | //\r | |
640 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
641 | // return directly.\r | |
642 | //\r | |
643 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
644 | return EFI_SUCCESS;\r | |
645 | } else {\r | |
646 | return EFI_NOT_READY;\r | |
647 | }\r | |
648 | }\r | |
649 | //\r | |
650 | // Fetch all the keys in the serial buffer,\r | |
651 | // and insert the byte stream into RawFIFO.\r | |
652 | //\r | |
653 | do {\r | |
654 | \r | |
655 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
656 | \r | |
657 | if (EFI_ERROR (Status)) {\r | |
658 | if (Status == EFI_DEVICE_ERROR) {\r | |
659 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
660 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 661 | PcdGet32 (PcdStatusCodeValueRemoteConsoleInputError),\r |
95276127 | 662 | TerminalDevice->DevicePath\r |
663 | );\r | |
664 | }\r | |
665 | break;\r | |
666 | }\r | |
667 | \r | |
668 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
669 | } while (TRUE);\r | |
670 | \r | |
671 | //\r | |
672 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
673 | // according to different terminal type supported.\r | |
674 | //\r | |
675 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
676 | \r | |
677 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
678 | return EFI_NOT_READY;\r | |
679 | }\r | |
680 | \r | |
681 | return EFI_SUCCESS;\r | |
682 | }\r | |
683 | \r | |
e49ef433 | 684 | /**\r |
685 | Get one key out of serial buffer.\r | |
686 | \r | |
11baadb6 | 687 | @param SerialIo Serial I/O protocol attached to the serial device.\r |
e49ef433 | 688 | @param Output The fetched key.\r |
689 | \r | |
00bfdbe1 | 690 | @retval EFI_NOT_READY If serial buffer is empty.\r |
691 | @retval EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
692 | @retval EFI_SUCCESS If reading serial buffer successfully, put\r | |
e49ef433 | 693 | the fetched key to the parameter output.\r |
694 | \r | |
695 | **/\r | |
95276127 | 696 | EFI_STATUS\r |
697 | GetOneKeyFromSerial (\r | |
698 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
e49ef433 | 699 | UINT8 *Output\r |
95276127 | 700 | )\r |
95276127 | 701 | {\r |
702 | EFI_STATUS Status;\r | |
703 | UINTN Size;\r | |
704 | \r | |
705 | Size = 1;\r | |
e49ef433 | 706 | *Output = 0;\r |
95276127 | 707 | \r |
ab76200c | 708 | //\r |
709 | // Read one key from serial I/O device.\r | |
710 | //\r | |
e49ef433 | 711 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
95276127 | 712 | \r |
713 | if (EFI_ERROR (Status)) {\r | |
714 | \r | |
715 | if (Status == EFI_TIMEOUT) {\r | |
716 | return EFI_NOT_READY;\r | |
717 | }\r | |
718 | \r | |
719 | return EFI_DEVICE_ERROR;\r | |
720 | \r | |
721 | }\r | |
722 | \r | |
e49ef433 | 723 | if (*Output == 0) {\r |
95276127 | 724 | return EFI_NOT_READY;\r |
725 | }\r | |
726 | \r | |
727 | return EFI_SUCCESS;\r | |
728 | }\r | |
729 | \r | |
e49ef433 | 730 | /**\r |
731 | Insert one byte raw data into the Raw Data FIFO.\r | |
732 | \r | |
733 | @param TerminalDevice Terminal driver private structure.\r | |
734 | @param Input The key will be input.\r | |
735 | \r | |
00bfdbe1 | 736 | @retval TRUE If insert successfully.\r |
737 | @retval FLASE If Raw Data buffer is full before key insertion,\r | |
e49ef433 | 738 | and the key is lost.\r |
739 | \r | |
740 | **/\r | |
95276127 | 741 | BOOLEAN\r |
742 | RawFiFoInsertOneKey (\r | |
743 | TERMINAL_DEV *TerminalDevice,\r | |
744 | UINT8 Input\r | |
745 | )\r | |
95276127 | 746 | {\r |
747 | UINT8 Tail;\r | |
748 | \r | |
5c998646 | 749 | Tail = TerminalDevice->RawFiFo->Tail;\r |
95276127 | 750 | \r |
751 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
752 | //\r | |
753 | // Raw FIFO is full\r | |
754 | //\r | |
755 | return FALSE;\r | |
756 | }\r | |
757 | \r | |
5c998646 | 758 | TerminalDevice->RawFiFo->Data[Tail] = Input;\r |
95276127 | 759 | \r |
5c998646 | 760 | TerminalDevice->RawFiFo->Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r |
95276127 | 761 | \r |
762 | return TRUE;\r | |
763 | }\r | |
764 | \r | |
e49ef433 | 765 | /**\r |
766 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
767 | \r | |
768 | @param TerminalDevice Terminal driver private structure.\r | |
769 | @param Output The key will be removed.\r | |
770 | \r | |
00bfdbe1 | 771 | @retval TRUE If insert successfully.\r |
772 | @retval FLASE If Raw Data FIFO buffer is empty before remove operation.\r | |
e49ef433 | 773 | \r |
774 | **/\r | |
95276127 | 775 | BOOLEAN\r |
776 | RawFiFoRemoveOneKey (\r | |
777 | TERMINAL_DEV *TerminalDevice,\r | |
778 | UINT8 *Output\r | |
779 | )\r | |
95276127 | 780 | {\r |
781 | UINT8 Head;\r | |
782 | \r | |
5c998646 | 783 | Head = TerminalDevice->RawFiFo->Head;\r |
95276127 | 784 | \r |
785 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
786 | //\r | |
787 | // FIFO is empty\r | |
788 | //\r | |
789 | *Output = 0;\r | |
790 | return FALSE;\r | |
791 | }\r | |
792 | \r | |
5c998646 | 793 | *Output = TerminalDevice->RawFiFo->Data[Head];\r |
95276127 | 794 | \r |
5c998646 | 795 | TerminalDevice->RawFiFo->Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r |
95276127 | 796 | \r |
797 | return TRUE;\r | |
798 | }\r | |
799 | \r | |
e49ef433 | 800 | /**\r |
801 | Clarify whether Raw Data FIFO buffer is empty.\r | |
802 | \r | |
803 | @param TerminalDevice Terminal driver private structure\r | |
804 | \r | |
00bfdbe1 | 805 | @retval TRUE If Raw Data FIFO buffer is empty.\r |
806 | @retval FLASE If Raw Data FIFO buffer is not empty.\r | |
e49ef433 | 807 | \r |
808 | **/\r | |
95276127 | 809 | BOOLEAN\r |
810 | IsRawFiFoEmpty (\r | |
811 | TERMINAL_DEV *TerminalDevice\r | |
812 | )\r | |
95276127 | 813 | {\r |
5c998646 | 814 | if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) {\r |
95276127 | 815 | return TRUE;\r |
816 | } else {\r | |
817 | return FALSE;\r | |
818 | }\r | |
819 | }\r | |
820 | \r | |
e49ef433 | 821 | /**\r |
822 | Clarify whether Raw Data FIFO buffer is full.\r | |
823 | \r | |
824 | @param TerminalDevice Terminal driver private structure\r | |
825 | \r | |
00bfdbe1 | 826 | @retval TRUE If Raw Data FIFO buffer is full.\r |
827 | @retval FLASE If Raw Data FIFO buffer is not full.\r | |
e49ef433 | 828 | \r |
829 | **/\r | |
95276127 | 830 | BOOLEAN\r |
831 | IsRawFiFoFull (\r | |
832 | TERMINAL_DEV *TerminalDevice\r | |
833 | )\r | |
95276127 | 834 | {\r |
835 | UINT8 Tail;\r | |
836 | UINT8 Head;\r | |
837 | \r | |
5c998646 | 838 | Tail = TerminalDevice->RawFiFo->Tail;\r |
839 | Head = TerminalDevice->RawFiFo->Head;\r | |
95276127 | 840 | \r |
841 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
842 | \r | |
843 | return TRUE;\r | |
844 | }\r | |
845 | \r | |
846 | return FALSE;\r | |
847 | }\r | |
848 | \r | |
e49ef433 | 849 | /**\r |
850 | Insert one pre-fetched key into the FIFO buffer.\r | |
851 | \r | |
852 | @param TerminalDevice Terminal driver private structure.\r | |
853 | @param Key The key will be input.\r | |
854 | \r | |
00bfdbe1 | 855 | @retval TRUE If insert successfully.\r |
856 | @retval FLASE If FIFO buffer is full before key insertion,\r | |
e49ef433 | 857 | and the key is lost.\r |
858 | \r | |
859 | **/\r | |
95276127 | 860 | BOOLEAN\r |
861 | EfiKeyFiFoInsertOneKey (\r | |
862 | TERMINAL_DEV *TerminalDevice,\r | |
863 | EFI_INPUT_KEY Key\r | |
864 | )\r | |
95276127 | 865 | {\r |
866 | UINT8 Tail;\r | |
867 | \r | |
5c998646 | 868 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r |
95276127 | 869 | \r |
870 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
871 | //\r | |
872 | // Efi Key FIFO is full\r | |
873 | //\r | |
874 | return FALSE;\r | |
875 | }\r | |
876 | \r | |
5c998646 | 877 | TerminalDevice->EfiKeyFiFo->Data[Tail] = Key;\r |
95276127 | 878 | \r |
5c998646 | 879 | TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 880 | \r |
881 | return TRUE;\r | |
882 | }\r | |
883 | \r | |
e49ef433 | 884 | /**\r |
885 | Remove one pre-fetched key out of the FIFO buffer.\r | |
886 | \r | |
887 | @param TerminalDevice Terminal driver private structure.\r | |
888 | @param Output The key will be removed.\r | |
889 | \r | |
00bfdbe1 | 890 | @retval TRUE If insert successfully.\r |
891 | @retval FLASE If FIFO buffer is empty before remove operation.\r | |
e49ef433 | 892 | \r |
893 | **/\r | |
95276127 | 894 | BOOLEAN\r |
895 | EfiKeyFiFoRemoveOneKey (\r | |
896 | TERMINAL_DEV *TerminalDevice,\r | |
897 | EFI_INPUT_KEY *Output\r | |
898 | )\r | |
95276127 | 899 | {\r |
900 | UINT8 Head;\r | |
901 | \r | |
5c998646 | 902 | Head = TerminalDevice->EfiKeyFiFo->Head;\r |
95276127 | 903 | \r |
904 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
905 | //\r | |
906 | // FIFO is empty\r | |
907 | //\r | |
908 | Output->ScanCode = SCAN_NULL;\r | |
909 | Output->UnicodeChar = 0;\r | |
910 | return FALSE;\r | |
911 | }\r | |
912 | \r | |
5c998646 | 913 | *Output = TerminalDevice->EfiKeyFiFo->Data[Head];\r |
95276127 | 914 | \r |
5c998646 | 915 | TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 916 | \r |
917 | return TRUE;\r | |
918 | }\r | |
919 | \r | |
e49ef433 | 920 | /**\r |
921 | Clarify whether FIFO buffer is empty.\r | |
922 | \r | |
923 | @param TerminalDevice Terminal driver private structure\r | |
924 | \r | |
00bfdbe1 | 925 | @retval TRUE If FIFO buffer is empty.\r |
926 | @retval FLASE If FIFO buffer is not empty.\r | |
e49ef433 | 927 | \r |
928 | **/\r | |
95276127 | 929 | BOOLEAN\r |
930 | IsEfiKeyFiFoEmpty (\r | |
931 | TERMINAL_DEV *TerminalDevice\r | |
932 | )\r | |
95276127 | 933 | {\r |
5c998646 | 934 | if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {\r |
95276127 | 935 | return TRUE;\r |
936 | } else {\r | |
937 | return FALSE;\r | |
938 | }\r | |
939 | }\r | |
940 | \r | |
e49ef433 | 941 | /**\r |
942 | Clarify whether FIFO buffer is full.\r | |
943 | \r | |
944 | @param TerminalDevice Terminal driver private structure\r | |
945 | \r | |
00bfdbe1 | 946 | @retval TRUE If FIFO buffer is full.\r |
947 | @retval FLASE If FIFO buffer is not full.\r | |
e49ef433 | 948 | \r |
949 | **/\r | |
95276127 | 950 | BOOLEAN\r |
951 | IsEfiKeyFiFoFull (\r | |
952 | TERMINAL_DEV *TerminalDevice\r | |
953 | )\r | |
95276127 | 954 | {\r |
955 | UINT8 Tail;\r | |
956 | UINT8 Head;\r | |
957 | \r | |
5c998646 | 958 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r |
959 | Head = TerminalDevice->EfiKeyFiFo->Head;\r | |
95276127 | 960 | \r |
961 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
962 | \r | |
963 | return TRUE;\r | |
964 | }\r | |
965 | \r | |
966 | return FALSE;\r | |
967 | }\r | |
968 | \r | |
e49ef433 | 969 | /**\r |
970 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
971 | \r | |
972 | @param TerminalDevice Terminal driver private structure.\r | |
973 | @param Input The key will be input.\r | |
974 | \r | |
00bfdbe1 | 975 | @retval TRUE If insert successfully.\r |
976 | @retval FLASE If Unicode FIFO buffer is full before key insertion,\r | |
e49ef433 | 977 | and the key is lost.\r |
978 | \r | |
979 | **/\r | |
95276127 | 980 | BOOLEAN\r |
981 | UnicodeFiFoInsertOneKey (\r | |
982 | TERMINAL_DEV *TerminalDevice,\r | |
983 | UINT16 Input\r | |
984 | )\r | |
95276127 | 985 | {\r |
986 | UINT8 Tail;\r | |
987 | \r | |
5c998646 | 988 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
95276127 | 989 | \r |
990 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
991 | //\r | |
992 | // Unicode FIFO is full\r | |
993 | //\r | |
994 | return FALSE;\r | |
995 | }\r | |
996 | \r | |
5c998646 | 997 | TerminalDevice->UnicodeFiFo->Data[Tail] = Input;\r |
95276127 | 998 | \r |
5c998646 | 999 | TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 1000 | \r |
1001 | return TRUE;\r | |
1002 | }\r | |
1003 | \r | |
e49ef433 | 1004 | /**\r |
1005 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
1006 | \r | |
1007 | @param TerminalDevice Terminal driver private structure.\r | |
1008 | @param Output The key will be removed.\r | |
1009 | \r | |
00bfdbe1 | 1010 | @retval TRUE If insert successfully.\r |
1011 | @retval FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
e49ef433 | 1012 | \r |
1013 | **/\r | |
95276127 | 1014 | BOOLEAN\r |
1015 | UnicodeFiFoRemoveOneKey (\r | |
1016 | TERMINAL_DEV *TerminalDevice,\r | |
1017 | UINT16 *Output\r | |
1018 | )\r | |
95276127 | 1019 | {\r |
1020 | UINT8 Head;\r | |
1021 | \r | |
5c998646 | 1022 | Head = TerminalDevice->UnicodeFiFo->Head;\r |
95276127 | 1023 | \r |
1024 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1025 | //\r | |
1026 | // FIFO is empty\r | |
1027 | //\r | |
1028 | Output = NULL;\r | |
1029 | return FALSE;\r | |
1030 | }\r | |
1031 | \r | |
5c998646 | 1032 | *Output = TerminalDevice->UnicodeFiFo->Data[Head];\r |
95276127 | 1033 | \r |
5c998646 | 1034 | TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 1035 | \r |
1036 | return TRUE;\r | |
1037 | }\r | |
1038 | \r | |
e49ef433 | 1039 | /**\r |
1040 | Clarify whether Unicode FIFO buffer is empty.\r | |
1041 | \r | |
1042 | @param TerminalDevice Terminal driver private structure\r | |
1043 | \r | |
00bfdbe1 | 1044 | @retval TRUE If Unicode FIFO buffer is empty.\r |
1045 | @retval FLASE If Unicode FIFO buffer is not empty.\r | |
e49ef433 | 1046 | \r |
1047 | **/\r | |
95276127 | 1048 | BOOLEAN\r |
1049 | IsUnicodeFiFoEmpty (\r | |
1050 | TERMINAL_DEV *TerminalDevice\r | |
1051 | )\r | |
95276127 | 1052 | {\r |
5c998646 | 1053 | if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {\r |
95276127 | 1054 | return TRUE;\r |
1055 | } else {\r | |
1056 | return FALSE;\r | |
1057 | }\r | |
1058 | }\r | |
1059 | \r | |
e49ef433 | 1060 | /**\r |
1061 | Clarify whether Unicode FIFO buffer is full.\r | |
1062 | \r | |
1063 | @param TerminalDevice Terminal driver private structure\r | |
1064 | \r | |
00bfdbe1 | 1065 | @retval TRUE If Unicode FIFO buffer is full.\r |
1066 | @retval FLASE If Unicode FIFO buffer is not full.\r | |
e49ef433 | 1067 | \r |
1068 | **/\r | |
95276127 | 1069 | BOOLEAN\r |
1070 | IsUnicodeFiFoFull (\r | |
1071 | TERMINAL_DEV *TerminalDevice\r | |
1072 | )\r | |
95276127 | 1073 | {\r |
1074 | UINT8 Tail;\r | |
1075 | UINT8 Head;\r | |
1076 | \r | |
5c998646 | 1077 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
1078 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
95276127 | 1079 | \r |
1080 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1081 | \r | |
1082 | return TRUE;\r | |
1083 | }\r | |
1084 | \r | |
1085 | return FALSE;\r | |
1086 | }\r | |
1087 | \r | |
8fd98315 | 1088 | /**\r |
1089 | Count Unicode FIFO buffer.\r | |
1090 | \r | |
1091 | @param TerminalDevice Terminal driver private structure\r | |
1092 | \r | |
1093 | @return The count in bytes of Unicode FIFO.\r | |
1094 | \r | |
1095 | **/\r | |
95276127 | 1096 | UINT8\r |
1097 | UnicodeFiFoGetKeyCount (\r | |
1098 | TERMINAL_DEV *TerminalDevice\r | |
1099 | )\r | |
1100 | {\r | |
1101 | UINT8 Tail;\r | |
1102 | UINT8 Head;\r | |
1103 | \r | |
5c998646 | 1104 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
1105 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
95276127 | 1106 | \r |
1107 | if (Tail >= Head) {\r | |
1108 | return (UINT8) (Tail - Head);\r | |
1109 | } else {\r | |
1110 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1111 | }\r | |
1112 | }\r | |
1113 | \r | |
8fd98315 | 1114 | /**\r |
1115 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
5c998646 | 1116 | \r |
8fd98315 | 1117 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1118 | \r | |
8fd98315 | 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 | |
11baadb6 | 1126 | UINT32 InputState;\r |
5c998646 | 1127 | \r |
11baadb6 | 1128 | InputState = TerminalDevice->InputState;\r |
5c998646 | 1129 | \r |
11baadb6 | 1130 | if ((InputState & INPUT_STATE_ESC) != 0) {\r |
95276127 | 1131 | Key.ScanCode = SCAN_ESC;\r |
1132 | Key.UnicodeChar = 0;\r | |
1133 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1134 | }\r | |
1135 | \r | |
11baadb6 | 1136 | if ((InputState & INPUT_STATE_CSI) != 0) {\r |
95276127 | 1137 | Key.ScanCode = SCAN_NULL;\r |
1138 | Key.UnicodeChar = CSI;\r | |
1139 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1140 | }\r | |
1141 | \r | |
11baadb6 | 1142 | if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r |
95276127 | 1143 | Key.ScanCode = SCAN_NULL;\r |
1144 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1145 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1146 | }\r | |
1147 | \r | |
11baadb6 | 1148 | if ((InputState & INPUT_STATE_O) != 0) {\r |
95276127 | 1149 | Key.ScanCode = SCAN_NULL;\r |
1150 | Key.UnicodeChar = 'O';\r | |
1151 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1152 | }\r | |
1153 | \r | |
11baadb6 | 1154 | if ((InputState & INPUT_STATE_2) != 0) {\r |
95276127 | 1155 | Key.ScanCode = SCAN_NULL;\r |
1156 | Key.UnicodeChar = '2';\r | |
1157 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1158 | }\r | |
1159 | \r | |
ab76200c | 1160 | //\r |
1161 | // Cancel the timer.\r | |
1162 | //\r | |
95276127 | 1163 | gBS->SetTimer (\r |
1164 | TerminalDevice->TwoSecondTimeOut,\r | |
1165 | TimerCancel,\r | |
1166 | 0\r | |
1167 | );\r | |
1168 | \r | |
1169 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1170 | }\r | |
1171 | \r | |
e49ef433 | 1172 | \r |
1173 | /**\r | |
1174 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
5c998646 | 1175 | can be read through the Simple Input Protocol.\r |
1176 | \r | |
8fd98315 | 1177 | The table below shows the keyboard input mappings that this function supports.\r |
1178 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
11baadb6 | 1179 | into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw\r |
8fd98315 | 1180 | key strokes are converted into EFI Keys.\r |
1181 | \r | |
e49ef433 | 1182 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r |
1183 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1184 | converted into EFI Keys.\r | |
1185 | There is one special input sequence that will force the system to reset.\r | |
1186 | This is ESC R ESC r ESC R.\r | |
1187 | \r | |
1188 | Symbols used in table below\r | |
1189 | ===========================\r | |
1190 | ESC = 0x1B\r | |
1191 | CSI = 0x9B\r | |
1192 | DEL = 0x7f\r | |
1193 | ^ = CTRL\r | |
8fd98315 | 1194 | \r |
e49ef433 | 1195 | +=========+======+===========+==========+==========+\r |
1196 | | | EFI | UEFI 2.0 | | |\r | |
1197 | | | Scan | | VT100+ | |\r | |
1198 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1199 | +=========+======+===========+==========+==========+\r | |
1200 | | NULL | 0x00 | | | |\r | |
1201 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1202 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1203 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1204 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1205 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1206 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1207 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1208 | | | | ESC [ L | | ESC [ L |\r | |
1209 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1210 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1211 | | | | | | ESC [ ? |\r | |
1212 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1213 | | | | | | ESC [ / |\r | |
1214 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1215 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1216 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1217 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1218 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1219 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1220 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1221 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1222 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1223 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1224 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1225 | | F11 | 0x15 | | ESC ! | |\r | |
1226 | | F12 | 0x16 | | ESC @ | |\r | |
1227 | +=========+======+===========+==========+==========+\r | |
8fd98315 | 1228 | \r |
e49ef433 | 1229 | Special Mappings\r |
1230 | ================\r | |
1231 | ESC R ESC r ESC R = Reset System\r | |
1232 | \r | |
e49ef433 | 1233 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1234 | \r | |
e49ef433 | 1235 | **/\r |
95276127 | 1236 | VOID\r |
1237 | UnicodeToEfiKey (\r | |
1238 | IN TERMINAL_DEV *TerminalDevice\r | |
1239 | )\r | |
95276127 | 1240 | {\r |
1241 | EFI_STATUS Status;\r | |
1242 | EFI_STATUS TimerStatus;\r | |
1243 | UINT16 UnicodeChar;\r | |
1244 | EFI_INPUT_KEY Key;\r | |
1245 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1246 | \r |
95276127 | 1247 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1248 | \r | |
1249 | if (!EFI_ERROR (TimerStatus)) {\r | |
1250 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1251 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1252 | }\r | |
1253 | \r | |
1254 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1255 | \r |
95276127 | 1256 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1257 | //\r | |
1258 | // Check to see if the 2 second timer has expired\r | |
1259 | //\r | |
1260 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1261 | if (!EFI_ERROR (TimerStatus)) {\r | |
1262 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1263 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1264 | }\r | |
1265 | }\r | |
1266 | \r | |
1267 | //\r | |
1268 | // Fetch one Unicode character from the Unicode FIFO\r | |
1269 | //\r | |
8fd98315 | 1270 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r |
95276127 | 1271 | \r |
1272 | SetDefaultResetState = TRUE;\r | |
1273 | \r | |
1274 | switch (TerminalDevice->InputState) {\r | |
1275 | case INPUT_STATE_DEFAULT:\r | |
1276 | \r | |
1277 | break;\r | |
1278 | \r | |
1279 | case INPUT_STATE_ESC:\r | |
1280 | \r | |
1281 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1282 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1283 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1284 | continue;\r | |
1285 | }\r | |
1286 | \r | |
e49ef433 | 1287 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1288 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
1289 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1290 | continue;\r | |
1291 | }\r | |
1292 | \r | |
1293 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1294 | \r |
e49ef433 | 1295 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
1296 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1297 | switch (UnicodeChar) {\r |
fb0b259e | 1298 | case '1':\r |
1299 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1300 | break;\r |
fb0b259e | 1301 | case '2':\r |
1302 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1303 | break;\r |
fb0b259e | 1304 | case '3':\r |
1305 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1306 | break;\r |
fb0b259e | 1307 | case '4':\r |
1308 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1309 | break;\r |
fb0b259e | 1310 | case '5':\r |
1311 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1312 | break;\r |
fb0b259e | 1313 | case '6':\r |
1314 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1315 | break;\r |
fb0b259e | 1316 | case '7':\r |
1317 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1318 | break;\r |
fb0b259e | 1319 | case '8':\r |
1320 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1321 | break;\r |
fb0b259e | 1322 | case '9':\r |
1323 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1324 | break;\r |
fb0b259e | 1325 | case '0':\r |
1326 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1327 | break;\r |
66aa04e4 | 1328 | case '!':\r |
1329 | Key.ScanCode = SCAN_F11;\r | |
1330 | break;\r | |
1331 | case '@':\r | |
1332 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1333 | break;\r |
fb0b259e | 1334 | case 'h':\r |
1335 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1336 | break;\r |
fb0b259e | 1337 | case 'k':\r |
1338 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1339 | break;\r |
fb0b259e | 1340 | case '+':\r |
1341 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1342 | break;\r |
fb0b259e | 1343 | case '-':\r |
1344 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1345 | break;\r |
fb0b259e | 1346 | case '/':\r |
1347 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1348 | break;\r | |
1349 | case '?':\r | |
1350 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1351 | break;\r | |
1352 | default :\r | |
95276127 | 1353 | break;\r |
1354 | }\r | |
1355 | }\r | |
fb0b259e | 1356 | \r |
95276127 | 1357 | switch (UnicodeChar) {\r |
fb0b259e | 1358 | case 'R':\r |
95276127 | 1359 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1360 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1361 | SetDefaultResetState = FALSE;\r | |
1362 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1363 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1364 | }\r | |
1365 | Key.ScanCode = SCAN_NULL;\r | |
1366 | break;\r | |
fb0b259e | 1367 | case 'r':\r |
95276127 | 1368 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1369 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1370 | SetDefaultResetState = FALSE;\r | |
1371 | }\r | |
1372 | Key.ScanCode = SCAN_NULL;\r | |
1373 | break;\r | |
fb0b259e | 1374 | default :\r |
95276127 | 1375 | break;\r |
1376 | }\r | |
1377 | \r | |
1378 | if (SetDefaultResetState) {\r | |
1379 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1380 | }\r | |
1381 | \r | |
1382 | if (Key.ScanCode != SCAN_NULL) {\r | |
1383 | Key.UnicodeChar = 0;\r | |
1384 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1385 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1386 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1387 | continue;\r | |
1388 | }\r | |
1389 | \r | |
1390 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1391 | \r | |
1392 | break;\r | |
1393 | \r | |
1394 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1395 | \r | |
1396 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1397 | \r | |
1398 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1399 | \r |
e49ef433 | 1400 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1401 | switch (UnicodeChar) {\r |
fb0b259e | 1402 | case 'P':\r |
1403 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1404 | break;\r |
fb0b259e | 1405 | case 'Q':\r |
1406 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1407 | break;\r |
fb0b259e | 1408 | case 'w':\r |
1409 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1410 | break;\r |
fb0b259e | 1411 | case 'x':\r |
1412 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1413 | break;\r |
fb0b259e | 1414 | case 't':\r |
1415 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1416 | break;\r |
fb0b259e | 1417 | case 'u':\r |
1418 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1419 | break;\r |
fb0b259e | 1420 | case 'q':\r |
1421 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1422 | break;\r |
fb0b259e | 1423 | case 'r':\r |
1424 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1425 | break;\r |
fb0b259e | 1426 | case 'p':\r |
1427 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1428 | break;\r |
fb0b259e | 1429 | case 'M':\r |
1430 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1431 | break;\r |
fb0b259e | 1432 | default :\r |
95276127 | 1433 | break;\r |
1434 | }\r | |
1435 | }\r | |
1436 | \r | |
1437 | if (Key.ScanCode != SCAN_NULL) {\r | |
1438 | Key.UnicodeChar = 0;\r | |
1439 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1440 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1441 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1442 | continue;\r | |
1443 | }\r | |
1444 | \r | |
1445 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1446 | \r | |
1447 | break;\r | |
1448 | \r | |
1449 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1450 | \r |
95276127 | 1451 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1452 | \r |
95276127 | 1453 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1454 | \r |
e49ef433 | 1455 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1456 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
1457 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
1458 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1459 | switch (UnicodeChar) {\r |
fb0b259e | 1460 | case 'A':\r |
1461 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1462 | break;\r |
fb0b259e | 1463 | case 'B':\r |
1464 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1465 | break;\r |
fb0b259e | 1466 | case 'C':\r |
1467 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1468 | break;\r |
fb0b259e | 1469 | case 'D':\r |
1470 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1471 | break;\r |
fb0b259e | 1472 | case 'H':\r |
e49ef433 | 1473 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1474 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1475 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1476 | }\r |
1477 | break;\r | |
fb0b259e | 1478 | case 'F':\r |
e49ef433 | 1479 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1480 | Key.ScanCode = SCAN_END;\r |
1481 | }\r | |
1482 | break;\r | |
fb0b259e | 1483 | case 'K':\r |
e49ef433 | 1484 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1485 | Key.ScanCode = SCAN_END;\r |
95276127 | 1486 | }\r |
1487 | break;\r | |
fb0b259e | 1488 | case 'L':\r |
1489 | case '@':\r | |
e49ef433 | 1490 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1491 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1492 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1493 | }\r |
1494 | break;\r | |
fb0b259e | 1495 | case 'X':\r |
e49ef433 | 1496 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1497 | Key.ScanCode = SCAN_DELETE;\r |
1498 | }\r | |
1499 | break;\r | |
fb0b259e | 1500 | case 'P':\r |
e49ef433 | 1501 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1502 | Key.ScanCode = SCAN_DELETE;\r |
e49ef433 | 1503 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1504 | Key.ScanCode = SCAN_F4;\r |
1505 | }\r | |
1506 | break;\r | |
fb0b259e | 1507 | case 'I':\r |
e49ef433 | 1508 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1509 | Key.ScanCode = SCAN_PAGE_UP;\r |
1510 | }\r | |
fb0b259e | 1511 | break;\r |
1512 | case 'V':\r | |
e49ef433 | 1513 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1514 | Key.ScanCode = SCAN_F10;\r |
fb0b259e | 1515 | }\r |
1516 | case '?':\r | |
e49ef433 | 1517 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1518 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1519 | }\r |
1520 | break;\r | |
fb0b259e | 1521 | case 'G':\r |
e49ef433 | 1522 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1523 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
1524 | }\r | |
fb0b259e | 1525 | break;\r |
1526 | case 'U':\r | |
e49ef433 | 1527 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1528 | Key.ScanCode = SCAN_F9;\r |
1529 | }\r | |
fb0b259e | 1530 | case '/':\r |
e49ef433 | 1531 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1532 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1533 | }\r |
1534 | break;\r | |
fb0b259e | 1535 | case 'M':\r |
e49ef433 | 1536 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1537 | Key.ScanCode = SCAN_F1;\r |
1538 | }\r | |
fb0b259e | 1539 | break;\r |
1540 | case 'N':\r | |
e49ef433 | 1541 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1542 | Key.ScanCode = SCAN_F2;\r |
1543 | }\r | |
fb0b259e | 1544 | break;\r |
1545 | case 'O':\r | |
e49ef433 | 1546 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1547 | Key.ScanCode = SCAN_F3;\r |
1548 | }\r | |
fb0b259e | 1549 | break;\r |
1550 | case 'Q':\r | |
e49ef433 | 1551 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1552 | Key.ScanCode = SCAN_F5;\r |
1553 | }\r | |
fb0b259e | 1554 | break;\r |
1555 | case 'R':\r | |
e49ef433 | 1556 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1557 | Key.ScanCode = SCAN_F6;\r |
1558 | }\r | |
fb0b259e | 1559 | break;\r |
1560 | case 'S':\r | |
e49ef433 | 1561 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1562 | Key.ScanCode = SCAN_F7;\r |
1563 | }\r | |
fb0b259e | 1564 | break;\r |
1565 | case 'T':\r | |
e49ef433 | 1566 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1567 | Key.ScanCode = SCAN_F8;\r |
1568 | }\r | |
fb0b259e | 1569 | break;\r |
1570 | default :\r | |
95276127 | 1571 | break;\r |
1572 | }\r | |
1573 | }\r | |
1574 | \r | |
1575 | if (Key.ScanCode != SCAN_NULL) {\r | |
1576 | Key.UnicodeChar = 0;\r | |
1577 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1578 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1579 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1580 | continue;\r | |
1581 | }\r | |
1582 | \r | |
1583 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1584 | \r | |
1585 | break;\r | |
1586 | \r | |
fb0b259e | 1587 | \r |
95276127 | 1588 | default:\r |
1589 | //\r | |
1590 | // Invalid state. This should never happen.\r | |
1591 | //\r | |
1592 | ASSERT (FALSE);\r | |
1593 | \r | |
1594 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1595 | \r | |
1596 | break;\r | |
1597 | }\r | |
1598 | \r | |
1599 | if (UnicodeChar == ESC) {\r | |
1600 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1601 | }\r | |
66aa04e4 | 1602 | \r |
1603 | if (UnicodeChar == CSI) {\r | |
1604 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1605 | }\r | |
fb0b259e | 1606 | \r |
95276127 | 1607 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1608 | Status = gBS->SetTimer(\r | |
1609 | TerminalDevice->TwoSecondTimeOut,\r | |
1610 | TimerRelative,\r | |
1611 | (UINT64)20000000\r | |
1612 | );\r | |
1613 | ASSERT_EFI_ERROR (Status);\r | |
1614 | continue;\r | |
1615 | }\r | |
1616 | \r | |
1617 | if (SetDefaultResetState) {\r | |
1618 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1619 | }\r | |
1620 | \r | |
1621 | if (UnicodeChar == DEL) {\r | |
1622 | Key.ScanCode = SCAN_DELETE;\r | |
1623 | Key.UnicodeChar = 0;\r | |
1624 | } else {\r | |
1625 | Key.ScanCode = SCAN_NULL;\r | |
1626 | Key.UnicodeChar = UnicodeChar;\r | |
1627 | }\r | |
1628 | \r | |
1629 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1630 | }\r | |
1631 | }\r |