]>
Commit | Line | Data |
---|---|---|
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 |
df80a83c | 869 | ASSERT (Tail < FIFO_MAX_NUMBER + 1);\r |
95276127 | 870 | \r |
871 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
872 | //\r | |
873 | // Efi Key FIFO is full\r | |
874 | //\r | |
875 | return FALSE;\r | |
876 | }\r | |
877 | \r | |
5c998646 | 878 | TerminalDevice->EfiKeyFiFo->Data[Tail] = Key;\r |
95276127 | 879 | \r |
5c998646 | 880 | TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 881 | \r |
882 | return TRUE;\r | |
883 | }\r | |
884 | \r | |
e49ef433 | 885 | /**\r |
886 | Remove one pre-fetched key out of the FIFO buffer.\r | |
887 | \r | |
888 | @param TerminalDevice Terminal driver private structure.\r | |
889 | @param Output The key will be removed.\r | |
890 | \r | |
00bfdbe1 | 891 | @retval TRUE If insert successfully.\r |
892 | @retval FLASE If FIFO buffer is empty before remove operation.\r | |
e49ef433 | 893 | \r |
894 | **/\r | |
95276127 | 895 | BOOLEAN\r |
896 | EfiKeyFiFoRemoveOneKey (\r | |
897 | TERMINAL_DEV *TerminalDevice,\r | |
898 | EFI_INPUT_KEY *Output\r | |
899 | )\r | |
95276127 | 900 | {\r |
901 | UINT8 Head;\r | |
902 | \r | |
5c998646 | 903 | Head = TerminalDevice->EfiKeyFiFo->Head;\r |
df80a83c | 904 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r |
95276127 | 905 | \r |
906 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
907 | //\r | |
908 | // FIFO is empty\r | |
909 | //\r | |
910 | Output->ScanCode = SCAN_NULL;\r | |
911 | Output->UnicodeChar = 0;\r | |
912 | return FALSE;\r | |
913 | }\r | |
914 | \r | |
5c998646 | 915 | *Output = TerminalDevice->EfiKeyFiFo->Data[Head];\r |
95276127 | 916 | \r |
5c998646 | 917 | TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 918 | \r |
919 | return TRUE;\r | |
920 | }\r | |
921 | \r | |
e49ef433 | 922 | /**\r |
923 | Clarify whether FIFO buffer is empty.\r | |
924 | \r | |
925 | @param TerminalDevice Terminal driver private structure\r | |
926 | \r | |
00bfdbe1 | 927 | @retval TRUE If FIFO buffer is empty.\r |
928 | @retval FLASE If FIFO buffer is not empty.\r | |
e49ef433 | 929 | \r |
930 | **/\r | |
95276127 | 931 | BOOLEAN\r |
932 | IsEfiKeyFiFoEmpty (\r | |
933 | TERMINAL_DEV *TerminalDevice\r | |
934 | )\r | |
95276127 | 935 | {\r |
5c998646 | 936 | if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {\r |
95276127 | 937 | return TRUE;\r |
938 | } else {\r | |
939 | return FALSE;\r | |
940 | }\r | |
941 | }\r | |
942 | \r | |
e49ef433 | 943 | /**\r |
944 | Clarify whether FIFO buffer is full.\r | |
945 | \r | |
946 | @param TerminalDevice Terminal driver private structure\r | |
947 | \r | |
00bfdbe1 | 948 | @retval TRUE If FIFO buffer is full.\r |
949 | @retval FLASE If FIFO buffer is not full.\r | |
e49ef433 | 950 | \r |
951 | **/\r | |
95276127 | 952 | BOOLEAN\r |
953 | IsEfiKeyFiFoFull (\r | |
954 | TERMINAL_DEV *TerminalDevice\r | |
955 | )\r | |
95276127 | 956 | {\r |
957 | UINT8 Tail;\r | |
958 | UINT8 Head;\r | |
959 | \r | |
5c998646 | 960 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r |
961 | Head = TerminalDevice->EfiKeyFiFo->Head;\r | |
95276127 | 962 | \r |
963 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
964 | \r | |
965 | return TRUE;\r | |
966 | }\r | |
967 | \r | |
968 | return FALSE;\r | |
969 | }\r | |
970 | \r | |
e49ef433 | 971 | /**\r |
972 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
973 | \r | |
974 | @param TerminalDevice Terminal driver private structure.\r | |
975 | @param Input The key will be input.\r | |
976 | \r | |
00bfdbe1 | 977 | @retval TRUE If insert successfully.\r |
978 | @retval FLASE If Unicode FIFO buffer is full before key insertion,\r | |
e49ef433 | 979 | and the key is lost.\r |
980 | \r | |
981 | **/\r | |
95276127 | 982 | BOOLEAN\r |
983 | UnicodeFiFoInsertOneKey (\r | |
984 | TERMINAL_DEV *TerminalDevice,\r | |
985 | UINT16 Input\r | |
986 | )\r | |
95276127 | 987 | {\r |
988 | UINT8 Tail;\r | |
989 | \r | |
5c998646 | 990 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
df80a83c | 991 | ASSERT (Tail < FIFO_MAX_NUMBER + 1);\r |
992 | \r | |
95276127 | 993 | \r |
994 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
995 | //\r | |
996 | // Unicode FIFO is full\r | |
997 | //\r | |
998 | return FALSE;\r | |
999 | }\r | |
1000 | \r | |
5c998646 | 1001 | TerminalDevice->UnicodeFiFo->Data[Tail] = Input;\r |
95276127 | 1002 | \r |
5c998646 | 1003 | TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 1004 | \r |
1005 | return TRUE;\r | |
1006 | }\r | |
1007 | \r | |
e49ef433 | 1008 | /**\r |
1009 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
1010 | \r | |
1011 | @param TerminalDevice Terminal driver private structure.\r | |
1012 | @param Output The key will be removed.\r | |
1013 | \r | |
00bfdbe1 | 1014 | @retval TRUE If insert successfully.\r |
1015 | @retval FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
e49ef433 | 1016 | \r |
1017 | **/\r | |
95276127 | 1018 | BOOLEAN\r |
1019 | UnicodeFiFoRemoveOneKey (\r | |
1020 | TERMINAL_DEV *TerminalDevice,\r | |
1021 | UINT16 *Output\r | |
1022 | )\r | |
95276127 | 1023 | {\r |
1024 | UINT8 Head;\r | |
1025 | \r | |
5c998646 | 1026 | Head = TerminalDevice->UnicodeFiFo->Head;\r |
df80a83c | 1027 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r |
95276127 | 1028 | \r |
1029 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1030 | //\r | |
1031 | // FIFO is empty\r | |
1032 | //\r | |
1033 | Output = NULL;\r | |
1034 | return FALSE;\r | |
1035 | }\r | |
1036 | \r | |
5c998646 | 1037 | *Output = TerminalDevice->UnicodeFiFo->Data[Head];\r |
95276127 | 1038 | \r |
5c998646 | 1039 | TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
95276127 | 1040 | \r |
1041 | return TRUE;\r | |
1042 | }\r | |
1043 | \r | |
e49ef433 | 1044 | /**\r |
1045 | Clarify whether Unicode FIFO buffer is empty.\r | |
1046 | \r | |
1047 | @param TerminalDevice Terminal driver private structure\r | |
1048 | \r | |
00bfdbe1 | 1049 | @retval TRUE If Unicode FIFO buffer is empty.\r |
1050 | @retval FLASE If Unicode FIFO buffer is not empty.\r | |
e49ef433 | 1051 | \r |
1052 | **/\r | |
95276127 | 1053 | BOOLEAN\r |
1054 | IsUnicodeFiFoEmpty (\r | |
1055 | TERMINAL_DEV *TerminalDevice\r | |
1056 | )\r | |
95276127 | 1057 | {\r |
5c998646 | 1058 | if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {\r |
95276127 | 1059 | return TRUE;\r |
1060 | } else {\r | |
1061 | return FALSE;\r | |
1062 | }\r | |
1063 | }\r | |
1064 | \r | |
e49ef433 | 1065 | /**\r |
1066 | Clarify whether Unicode FIFO buffer is full.\r | |
1067 | \r | |
1068 | @param TerminalDevice Terminal driver private structure\r | |
1069 | \r | |
00bfdbe1 | 1070 | @retval TRUE If Unicode FIFO buffer is full.\r |
1071 | @retval FLASE If Unicode FIFO buffer is not full.\r | |
e49ef433 | 1072 | \r |
1073 | **/\r | |
95276127 | 1074 | BOOLEAN\r |
1075 | IsUnicodeFiFoFull (\r | |
1076 | TERMINAL_DEV *TerminalDevice\r | |
1077 | )\r | |
95276127 | 1078 | {\r |
1079 | UINT8 Tail;\r | |
1080 | UINT8 Head;\r | |
1081 | \r | |
5c998646 | 1082 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
1083 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
95276127 | 1084 | \r |
1085 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1086 | \r | |
1087 | return TRUE;\r | |
1088 | }\r | |
1089 | \r | |
1090 | return FALSE;\r | |
1091 | }\r | |
1092 | \r | |
8fd98315 | 1093 | /**\r |
1094 | Count Unicode FIFO buffer.\r | |
1095 | \r | |
1096 | @param TerminalDevice Terminal driver private structure\r | |
1097 | \r | |
1098 | @return The count in bytes of Unicode FIFO.\r | |
1099 | \r | |
1100 | **/\r | |
95276127 | 1101 | UINT8\r |
1102 | UnicodeFiFoGetKeyCount (\r | |
1103 | TERMINAL_DEV *TerminalDevice\r | |
1104 | )\r | |
1105 | {\r | |
1106 | UINT8 Tail;\r | |
1107 | UINT8 Head;\r | |
1108 | \r | |
5c998646 | 1109 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
1110 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
95276127 | 1111 | \r |
1112 | if (Tail >= Head) {\r | |
1113 | return (UINT8) (Tail - Head);\r | |
1114 | } else {\r | |
1115 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1116 | }\r | |
1117 | }\r | |
1118 | \r | |
8fd98315 | 1119 | /**\r |
1120 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
5c998646 | 1121 | \r |
8fd98315 | 1122 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1123 | \r | |
8fd98315 | 1124 | **/\r |
95276127 | 1125 | VOID\r |
1126 | UnicodeToEfiKeyFlushState (\r | |
1127 | IN TERMINAL_DEV *TerminalDevice\r | |
1128 | )\r | |
1129 | {\r | |
1130 | EFI_INPUT_KEY Key;\r | |
11baadb6 | 1131 | UINT32 InputState;\r |
5c998646 | 1132 | \r |
11baadb6 | 1133 | InputState = TerminalDevice->InputState;\r |
5c998646 | 1134 | \r |
11baadb6 | 1135 | if ((InputState & INPUT_STATE_ESC) != 0) {\r |
95276127 | 1136 | Key.ScanCode = SCAN_ESC;\r |
1137 | Key.UnicodeChar = 0;\r | |
1138 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1139 | }\r | |
1140 | \r | |
11baadb6 | 1141 | if ((InputState & INPUT_STATE_CSI) != 0) {\r |
95276127 | 1142 | Key.ScanCode = SCAN_NULL;\r |
1143 | Key.UnicodeChar = CSI;\r | |
1144 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1145 | }\r | |
1146 | \r | |
11baadb6 | 1147 | if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r |
95276127 | 1148 | Key.ScanCode = SCAN_NULL;\r |
1149 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1150 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1151 | }\r | |
1152 | \r | |
11baadb6 | 1153 | if ((InputState & INPUT_STATE_O) != 0) {\r |
95276127 | 1154 | Key.ScanCode = SCAN_NULL;\r |
1155 | Key.UnicodeChar = 'O';\r | |
1156 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1157 | }\r | |
1158 | \r | |
11baadb6 | 1159 | if ((InputState & INPUT_STATE_2) != 0) {\r |
95276127 | 1160 | Key.ScanCode = SCAN_NULL;\r |
1161 | Key.UnicodeChar = '2';\r | |
1162 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1163 | }\r | |
1164 | \r | |
ab76200c | 1165 | //\r |
1166 | // Cancel the timer.\r | |
1167 | //\r | |
95276127 | 1168 | gBS->SetTimer (\r |
1169 | TerminalDevice->TwoSecondTimeOut,\r | |
1170 | TimerCancel,\r | |
1171 | 0\r | |
1172 | );\r | |
1173 | \r | |
1174 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1175 | }\r | |
1176 | \r | |
e49ef433 | 1177 | \r |
1178 | /**\r | |
1179 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
5c998646 | 1180 | can be read through the Simple Input Protocol.\r |
1181 | \r | |
8fd98315 | 1182 | The table below shows the keyboard input mappings that this function supports.\r |
1183 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
11baadb6 | 1184 | into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw\r |
8fd98315 | 1185 | key strokes are converted into EFI Keys.\r |
1186 | \r | |
e49ef433 | 1187 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r |
1188 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1189 | converted into EFI Keys.\r | |
1190 | There is one special input sequence that will force the system to reset.\r | |
1191 | This is ESC R ESC r ESC R.\r | |
1192 | \r | |
1193 | Symbols used in table below\r | |
1194 | ===========================\r | |
1195 | ESC = 0x1B\r | |
1196 | CSI = 0x9B\r | |
1197 | DEL = 0x7f\r | |
1198 | ^ = CTRL\r | |
8fd98315 | 1199 | \r |
e49ef433 | 1200 | +=========+======+===========+==========+==========+\r |
1201 | | | EFI | UEFI 2.0 | | |\r | |
1202 | | | Scan | | VT100+ | |\r | |
1203 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1204 | +=========+======+===========+==========+==========+\r | |
1205 | | NULL | 0x00 | | | |\r | |
1206 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1207 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1208 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1209 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1210 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1211 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1212 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1213 | | | | ESC [ L | | ESC [ L |\r | |
1214 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1215 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1216 | | | | | | ESC [ ? |\r | |
1217 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1218 | | | | | | ESC [ / |\r | |
1219 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1220 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1221 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1222 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1223 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1224 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1225 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1226 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1227 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1228 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1229 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1230 | | F11 | 0x15 | | ESC ! | |\r | |
1231 | | F12 | 0x16 | | ESC @ | |\r | |
1232 | +=========+======+===========+==========+==========+\r | |
8fd98315 | 1233 | \r |
e49ef433 | 1234 | Special Mappings\r |
1235 | ================\r | |
1236 | ESC R ESC r ESC R = Reset System\r | |
1237 | \r | |
e49ef433 | 1238 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1239 | \r | |
e49ef433 | 1240 | **/\r |
95276127 | 1241 | VOID\r |
1242 | UnicodeToEfiKey (\r | |
1243 | IN TERMINAL_DEV *TerminalDevice\r | |
1244 | )\r | |
95276127 | 1245 | {\r |
1246 | EFI_STATUS Status;\r | |
1247 | EFI_STATUS TimerStatus;\r | |
1248 | UINT16 UnicodeChar;\r | |
1249 | EFI_INPUT_KEY Key;\r | |
1250 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1251 | \r |
95276127 | 1252 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1253 | \r | |
1254 | if (!EFI_ERROR (TimerStatus)) {\r | |
1255 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1256 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1257 | }\r | |
1258 | \r | |
1259 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1260 | \r |
95276127 | 1261 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1262 | //\r | |
05b1c414 | 1263 | // Check to see if the 2 seconds timer has expired\r |
95276127 | 1264 | //\r |
1265 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1266 | if (!EFI_ERROR (TimerStatus)) {\r | |
1267 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1268 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1269 | }\r | |
1270 | }\r | |
1271 | \r | |
1272 | //\r | |
1273 | // Fetch one Unicode character from the Unicode FIFO\r | |
1274 | //\r | |
8fd98315 | 1275 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r |
95276127 | 1276 | \r |
1277 | SetDefaultResetState = TRUE;\r | |
1278 | \r | |
1279 | switch (TerminalDevice->InputState) {\r | |
1280 | case INPUT_STATE_DEFAULT:\r | |
1281 | \r | |
1282 | break;\r | |
1283 | \r | |
1284 | case INPUT_STATE_ESC:\r | |
1285 | \r | |
1286 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1287 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1288 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1289 | continue;\r | |
1290 | }\r | |
1291 | \r | |
e49ef433 | 1292 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1293 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
1294 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1295 | continue;\r | |
1296 | }\r | |
1297 | \r | |
1298 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1299 | \r |
e49ef433 | 1300 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
1301 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1302 | switch (UnicodeChar) {\r |
fb0b259e | 1303 | case '1':\r |
1304 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1305 | break;\r |
fb0b259e | 1306 | case '2':\r |
1307 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1308 | break;\r |
fb0b259e | 1309 | case '3':\r |
1310 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1311 | break;\r |
fb0b259e | 1312 | case '4':\r |
1313 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1314 | break;\r |
fb0b259e | 1315 | case '5':\r |
1316 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1317 | break;\r |
fb0b259e | 1318 | case '6':\r |
1319 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1320 | break;\r |
fb0b259e | 1321 | case '7':\r |
1322 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1323 | break;\r |
fb0b259e | 1324 | case '8':\r |
1325 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1326 | break;\r |
fb0b259e | 1327 | case '9':\r |
1328 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1329 | break;\r |
fb0b259e | 1330 | case '0':\r |
1331 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1332 | break;\r |
66aa04e4 | 1333 | case '!':\r |
1334 | Key.ScanCode = SCAN_F11;\r | |
1335 | break;\r | |
1336 | case '@':\r | |
1337 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1338 | break;\r |
fb0b259e | 1339 | case 'h':\r |
1340 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1341 | break;\r |
fb0b259e | 1342 | case 'k':\r |
1343 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1344 | break;\r |
fb0b259e | 1345 | case '+':\r |
1346 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1347 | break;\r |
fb0b259e | 1348 | case '-':\r |
1349 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1350 | break;\r |
fb0b259e | 1351 | case '/':\r |
1352 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1353 | break;\r | |
1354 | case '?':\r | |
1355 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1356 | break;\r | |
1357 | default :\r | |
95276127 | 1358 | break;\r |
1359 | }\r | |
1360 | }\r | |
fb0b259e | 1361 | \r |
95276127 | 1362 | switch (UnicodeChar) {\r |
fb0b259e | 1363 | case 'R':\r |
95276127 | 1364 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1365 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1366 | SetDefaultResetState = FALSE;\r | |
1367 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1368 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1369 | }\r | |
1370 | Key.ScanCode = SCAN_NULL;\r | |
1371 | break;\r | |
fb0b259e | 1372 | case 'r':\r |
95276127 | 1373 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1374 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1375 | SetDefaultResetState = FALSE;\r | |
1376 | }\r | |
1377 | Key.ScanCode = SCAN_NULL;\r | |
1378 | break;\r | |
fb0b259e | 1379 | default :\r |
95276127 | 1380 | break;\r |
1381 | }\r | |
1382 | \r | |
1383 | if (SetDefaultResetState) {\r | |
1384 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1385 | }\r | |
1386 | \r | |
1387 | if (Key.ScanCode != SCAN_NULL) {\r | |
1388 | Key.UnicodeChar = 0;\r | |
1389 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1390 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1391 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1392 | continue;\r | |
1393 | }\r | |
1394 | \r | |
1395 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1396 | \r | |
1397 | break;\r | |
1398 | \r | |
1399 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1400 | \r | |
1401 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1402 | \r | |
1403 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1404 | \r |
e49ef433 | 1405 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1406 | switch (UnicodeChar) {\r |
fb0b259e | 1407 | case 'P':\r |
1408 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1409 | break;\r |
fb0b259e | 1410 | case 'Q':\r |
1411 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1412 | break;\r |
fb0b259e | 1413 | case 'w':\r |
1414 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1415 | break;\r |
fb0b259e | 1416 | case 'x':\r |
1417 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1418 | break;\r |
fb0b259e | 1419 | case 't':\r |
1420 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1421 | break;\r |
fb0b259e | 1422 | case 'u':\r |
1423 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1424 | break;\r |
fb0b259e | 1425 | case 'q':\r |
1426 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1427 | break;\r |
fb0b259e | 1428 | case 'r':\r |
1429 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1430 | break;\r |
fb0b259e | 1431 | case 'p':\r |
1432 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1433 | break;\r |
fb0b259e | 1434 | case 'M':\r |
1435 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1436 | break;\r |
fb0b259e | 1437 | default :\r |
95276127 | 1438 | break;\r |
1439 | }\r | |
1440 | }\r | |
1441 | \r | |
1442 | if (Key.ScanCode != SCAN_NULL) {\r | |
1443 | Key.UnicodeChar = 0;\r | |
1444 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1445 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1446 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1447 | continue;\r | |
1448 | }\r | |
1449 | \r | |
1450 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1451 | \r | |
1452 | break;\r | |
1453 | \r | |
1454 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1455 | \r |
95276127 | 1456 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1457 | \r |
95276127 | 1458 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1459 | \r |
e49ef433 | 1460 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1461 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
1462 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
1463 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1464 | switch (UnicodeChar) {\r |
fb0b259e | 1465 | case 'A':\r |
1466 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1467 | break;\r |
fb0b259e | 1468 | case 'B':\r |
1469 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1470 | break;\r |
fb0b259e | 1471 | case 'C':\r |
1472 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1473 | break;\r |
fb0b259e | 1474 | case 'D':\r |
1475 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1476 | break;\r |
fb0b259e | 1477 | case 'H':\r |
e49ef433 | 1478 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1479 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1480 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1481 | }\r |
1482 | break;\r | |
fb0b259e | 1483 | case 'F':\r |
e49ef433 | 1484 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1485 | Key.ScanCode = SCAN_END;\r |
1486 | }\r | |
1487 | break;\r | |
fb0b259e | 1488 | case 'K':\r |
e49ef433 | 1489 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1490 | Key.ScanCode = SCAN_END;\r |
95276127 | 1491 | }\r |
1492 | break;\r | |
fb0b259e | 1493 | case 'L':\r |
1494 | case '@':\r | |
e49ef433 | 1495 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1496 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1497 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1498 | }\r |
1499 | break;\r | |
fb0b259e | 1500 | case 'X':\r |
e49ef433 | 1501 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1502 | Key.ScanCode = SCAN_DELETE;\r |
1503 | }\r | |
1504 | break;\r | |
fb0b259e | 1505 | case 'P':\r |
e49ef433 | 1506 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1507 | Key.ScanCode = SCAN_DELETE;\r |
e49ef433 | 1508 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1509 | Key.ScanCode = SCAN_F4;\r |
1510 | }\r | |
1511 | break;\r | |
fb0b259e | 1512 | case 'I':\r |
e49ef433 | 1513 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1514 | Key.ScanCode = SCAN_PAGE_UP;\r |
1515 | }\r | |
fb0b259e | 1516 | break;\r |
1517 | case 'V':\r | |
e49ef433 | 1518 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1519 | Key.ScanCode = SCAN_F10;\r |
fb0b259e | 1520 | }\r |
1521 | case '?':\r | |
e49ef433 | 1522 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1523 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1524 | }\r |
1525 | break;\r | |
fb0b259e | 1526 | case 'G':\r |
e49ef433 | 1527 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1528 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
1529 | }\r | |
fb0b259e | 1530 | break;\r |
1531 | case 'U':\r | |
e49ef433 | 1532 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1533 | Key.ScanCode = SCAN_F9;\r |
1534 | }\r | |
fb0b259e | 1535 | case '/':\r |
e49ef433 | 1536 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1537 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1538 | }\r |
1539 | break;\r | |
fb0b259e | 1540 | case 'M':\r |
e49ef433 | 1541 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1542 | Key.ScanCode = SCAN_F1;\r |
1543 | }\r | |
fb0b259e | 1544 | break;\r |
1545 | case 'N':\r | |
e49ef433 | 1546 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1547 | Key.ScanCode = SCAN_F2;\r |
1548 | }\r | |
fb0b259e | 1549 | break;\r |
1550 | case 'O':\r | |
e49ef433 | 1551 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1552 | Key.ScanCode = SCAN_F3;\r |
1553 | }\r | |
fb0b259e | 1554 | break;\r |
1555 | case 'Q':\r | |
e49ef433 | 1556 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1557 | Key.ScanCode = SCAN_F5;\r |
1558 | }\r | |
fb0b259e | 1559 | break;\r |
1560 | case 'R':\r | |
e49ef433 | 1561 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1562 | Key.ScanCode = SCAN_F6;\r |
1563 | }\r | |
fb0b259e | 1564 | break;\r |
1565 | case 'S':\r | |
e49ef433 | 1566 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1567 | Key.ScanCode = SCAN_F7;\r |
1568 | }\r | |
fb0b259e | 1569 | break;\r |
1570 | case 'T':\r | |
e49ef433 | 1571 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1572 | Key.ScanCode = SCAN_F8;\r |
1573 | }\r | |
fb0b259e | 1574 | break;\r |
1575 | default :\r | |
95276127 | 1576 | break;\r |
1577 | }\r | |
1578 | }\r | |
1579 | \r | |
1580 | if (Key.ScanCode != SCAN_NULL) {\r | |
1581 | Key.UnicodeChar = 0;\r | |
1582 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1583 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1584 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1585 | continue;\r | |
1586 | }\r | |
1587 | \r | |
1588 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1589 | \r | |
1590 | break;\r | |
1591 | \r | |
fb0b259e | 1592 | \r |
95276127 | 1593 | default:\r |
1594 | //\r | |
1595 | // Invalid state. This should never happen.\r | |
1596 | //\r | |
1597 | ASSERT (FALSE);\r | |
1598 | \r | |
1599 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1600 | \r | |
1601 | break;\r | |
1602 | }\r | |
1603 | \r | |
1604 | if (UnicodeChar == ESC) {\r | |
1605 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1606 | }\r | |
66aa04e4 | 1607 | \r |
1608 | if (UnicodeChar == CSI) {\r | |
1609 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1610 | }\r | |
fb0b259e | 1611 | \r |
95276127 | 1612 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1613 | Status = gBS->SetTimer(\r | |
1614 | TerminalDevice->TwoSecondTimeOut,\r | |
1615 | TimerRelative,\r | |
1616 | (UINT64)20000000\r | |
1617 | );\r | |
1618 | ASSERT_EFI_ERROR (Status);\r | |
1619 | continue;\r | |
1620 | }\r | |
1621 | \r | |
1622 | if (SetDefaultResetState) {\r | |
1623 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1624 | }\r | |
1625 | \r | |
1626 | if (UnicodeChar == DEL) {\r | |
1627 | Key.ScanCode = SCAN_DELETE;\r | |
1628 | Key.UnicodeChar = 0;\r | |
1629 | } else {\r | |
1630 | Key.ScanCode = SCAN_NULL;\r | |
1631 | Key.UnicodeChar = UnicodeChar;\r | |
1632 | }\r | |
1633 | \r | |
1634 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1635 | }\r | |
1636 | }\r |