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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 | |
8fd98315 | 95 | @return EFI_SUCCESS The reset operation succeeds.\r |
96 | @return 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 | |
123 | // clear all the internal buffer for keys\r | |
124 | //\r | |
125 | InitializeRawFiFo (TerminalDevice);\r | |
126 | InitializeUnicodeFiFo (TerminalDevice);\r | |
127 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
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 |
8fd98315 | 148 | @return EFI_SUCCESS The keystroke information is returned successfully.\r |
149 | @return EFI_NOT_READY There is no keystroke data available.\r | |
150 | @return 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 |
11baadb6 | 182 | \r |
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 | |
221 | @return none.\r | |
222 | \r | |
223 | **/\r | |
66aa04e4 | 224 | VOID\r |
225 | EFIAPI\r | |
226 | TerminalConInWaitForKeyEx (\r | |
227 | IN EFI_EVENT Event,\r | |
228 | IN VOID *Context\r | |
229 | )\r | |
66aa04e4 | 230 | {\r |
231 | TERMINAL_DEV *TerminalDevice;\r | |
fb0b259e | 232 | \r |
66aa04e4 | 233 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (Context);\r |
234 | \r | |
235 | TerminalConInWaitForKey (Event, &TerminalDevice->SimpleInput);\r | |
236 | \r | |
237 | }\r | |
238 | \r | |
239 | //\r | |
240 | // Simple Text Input Ex protocol functions\r | |
241 | //\r | |
242 | \r | |
e49ef433 | 243 | /**\r |
11baadb6 | 244 | Reset the input device and optionally run diagnostics\r |
e49ef433 | 245 | \r |
246 | @param This Protocol instance pointer.\r | |
247 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
248 | \r | |
249 | @retval EFI_SUCCESS The device was reset.\r | |
250 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
251 | not be reset.\r | |
252 | \r | |
253 | **/\r | |
66aa04e4 | 254 | EFI_STATUS\r |
255 | EFIAPI\r | |
256 | TerminalConInResetEx (\r | |
257 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
258 | IN BOOLEAN ExtendedVerification\r | |
259 | )\r | |
66aa04e4 | 260 | {\r |
261 | EFI_STATUS Status;\r | |
262 | TERMINAL_DEV *TerminalDevice;\r | |
263 | \r | |
264 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
265 | \r | |
266 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
267 | if (EFI_ERROR (Status)) {\r | |
268 | return EFI_DEVICE_ERROR;\r | |
95276127 | 269 | }\r |
270 | \r | |
66aa04e4 | 271 | return EFI_SUCCESS;\r |
fb0b259e | 272 | \r |
66aa04e4 | 273 | }\r |
274 | \r | |
e49ef433 | 275 | \r |
276 | /**\r | |
277 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
11baadb6 | 278 | be used to test for existence of a keystroke via WaitForEvent () call.\r |
e49ef433 | 279 | \r |
280 | @param This Protocol instance pointer.\r | |
281 | @param KeyData A pointer to a buffer that is filled in with the\r | |
282 | keystroke state data for the key that was\r | |
283 | pressed.\r | |
284 | \r | |
285 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
11baadb6 | 286 | @retval EFI_NOT_READY There was no keystroke data available.\r |
e49ef433 | 287 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r |
288 | to hardware errors.\r | |
289 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
290 | \r | |
291 | **/\r | |
66aa04e4 | 292 | EFI_STATUS\r |
293 | EFIAPI\r | |
294 | TerminalConInReadKeyStrokeEx (\r | |
295 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
296 | OUT EFI_KEY_DATA *KeyData\r | |
297 | )\r | |
66aa04e4 | 298 | {\r |
299 | TERMINAL_DEV *TerminalDevice;\r | |
300 | \r | |
301 | if (KeyData == NULL) {\r | |
302 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 303 | }\r |
66aa04e4 | 304 | \r |
305 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
306 | \r | |
307 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
308 | \r | |
309 | }\r | |
310 | \r | |
e49ef433 | 311 | \r |
312 | /**\r | |
313 | Set certain state for the input device.\r | |
314 | \r | |
315 | @param This Protocol instance pointer.\r | |
316 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
317 | state for the input device.\r | |
318 | \r | |
319 | @retval EFI_SUCCESS The device state was set successfully.\r | |
320 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
321 | could not have the setting adjusted.\r | |
322 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
323 | state.\r | |
324 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
325 | \r | |
326 | **/\r | |
66aa04e4 | 327 | EFI_STATUS\r |
328 | EFIAPI\r | |
329 | TerminalConInSetState (\r | |
330 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
331 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
332 | )\r | |
66aa04e4 | 333 | {\r |
334 | if (KeyToggleState == NULL) {\r | |
335 | return EFI_INVALID_PARAMETER;\r | |
336 | }\r | |
95276127 | 337 | \r |
338 | return EFI_SUCCESS;\r | |
66aa04e4 | 339 | }\r |
95276127 | 340 | \r |
e49ef433 | 341 | \r |
342 | /**\r | |
343 | Register a notification function for a particular keystroke for the input device.\r | |
344 | \r | |
345 | @param This Protocol instance pointer.\r | |
346 | @param KeyData A pointer to a buffer that is filled in with the\r | |
347 | keystroke information data for the key that was\r | |
348 | pressed.\r | |
349 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
350 | sequence is typed specified by KeyData.\r | |
351 | @param NotifyHandle Points to the unique handle assigned to the\r | |
352 | registered notification.\r | |
353 | \r | |
354 | @retval EFI_SUCCESS The notification function was registered\r | |
355 | successfully.\r | |
11baadb6 | 356 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data\r |
e49ef433 | 357 | structures.\r |
358 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
359 | \r | |
360 | **/\r | |
66aa04e4 | 361 | EFI_STATUS\r |
362 | EFIAPI\r | |
363 | TerminalConInRegisterKeyNotify (\r | |
364 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
365 | IN EFI_KEY_DATA *KeyData,\r | |
366 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
367 | OUT EFI_HANDLE *NotifyHandle\r | |
368 | )\r | |
66aa04e4 | 369 | {\r |
370 | EFI_STATUS Status;\r | |
371 | TERMINAL_DEV *TerminalDevice;\r | |
372 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
373 | LIST_ENTRY *Link;\r | |
11baadb6 | 374 | LIST_ENTRY *NotifyList;\r |
fb0b259e | 375 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
66aa04e4 | 376 | \r |
377 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
378 | return EFI_INVALID_PARAMETER;\r | |
379 | }\r | |
380 | \r | |
381 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
382 | \r | |
383 | //\r | |
384 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
385 | //\r | |
11baadb6 | 386 | NotifyList = &TerminalDevice->NotifyList;\r |
387 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
66aa04e4 | 388 | CurrentNotify = CR (\r |
fb0b259e | 389 | Link,\r |
390 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
391 | NotifyEntry,\r | |
66aa04e4 | 392 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
393 | );\r | |
fb0b259e | 394 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 395 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
fb0b259e | 396 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
66aa04e4 | 397 | return EFI_SUCCESS;\r |
398 | }\r | |
399 | }\r | |
400 | }\r | |
401 | \r | |
402 | //\r | |
403 | // Allocate resource to save the notification function\r | |
fb0b259e | 404 | //\r |
66aa04e4 | 405 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
406 | if (NewNotify == NULL) {\r | |
407 | return EFI_OUT_OF_RESOURCES;\r | |
fb0b259e | 408 | }\r |
66aa04e4 | 409 | \r |
fb0b259e | 410 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
66aa04e4 | 411 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
412 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r | |
413 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r | |
414 | //\r | |
415 | // Use gSimpleTextInExNotifyGuid to get a valid EFI_HANDLE\r | |
fb0b259e | 416 | //\r |
66aa04e4 | 417 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
418 | &NewNotify->NotifyHandle,\r | |
419 | &gSimpleTextInExNotifyGuid,\r | |
420 | NULL,\r | |
421 | NULL\r | |
422 | );\r | |
423 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 424 | *NotifyHandle = NewNotify->NotifyHandle;\r |
66aa04e4 | 425 | \r |
426 | return EFI_SUCCESS;\r | |
95276127 | 427 | }\r |
428 | \r | |
e49ef433 | 429 | \r |
430 | /**\r | |
431 | Remove a registered notification function from a particular keystroke.\r | |
432 | \r | |
433 | @param This Protocol instance pointer.\r | |
434 | @param NotificationHandle The handle of the notification function being\r | |
435 | unregistered.\r | |
436 | \r | |
437 | @retval EFI_SUCCESS The notification function was unregistered\r | |
438 | successfully.\r | |
439 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
440 | @retval EFI_NOT_FOUND Can not find the matching entry in database.\r | |
441 | \r | |
442 | **/\r | |
66aa04e4 | 443 | EFI_STATUS\r |
444 | EFIAPI\r | |
445 | TerminalConInUnregisterKeyNotify (\r | |
446 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
447 | IN EFI_HANDLE NotificationHandle\r | |
448 | )\r | |
66aa04e4 | 449 | {\r |
450 | EFI_STATUS Status;\r | |
451 | TERMINAL_DEV *TerminalDevice;\r | |
452 | LIST_ENTRY *Link;\r | |
453 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
11baadb6 | 454 | LIST_ENTRY *NotifyList;\r |
455 | \r | |
66aa04e4 | 456 | if (NotificationHandle == NULL) {\r |
457 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 458 | }\r |
459 | \r | |
66aa04e4 | 460 | Status = gBS->OpenProtocol (\r |
461 | NotificationHandle,\r | |
462 | &gSimpleTextInExNotifyGuid,\r | |
463 | NULL,\r | |
464 | NULL,\r | |
465 | NULL,\r | |
466 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
467 | );\r | |
468 | if (EFI_ERROR (Status)) {\r | |
469 | return EFI_INVALID_PARAMETER;\r | |
470 | }\r | |
471 | \r | |
472 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
473 | \r | |
11baadb6 | 474 | NotifyList = &TerminalDevice->NotifyList;\r |
475 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
66aa04e4 | 476 | CurrentNotify = CR (\r |
fb0b259e | 477 | Link,\r |
478 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
479 | NotifyEntry,\r | |
66aa04e4 | 480 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
481 | );\r | |
482 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r | |
483 | //\r | |
484 | // Remove the notification function from NotifyList and free resources\r | |
485 | //\r | |
fb0b259e | 486 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
66aa04e4 | 487 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
488 | CurrentNotify->NotifyHandle,\r | |
489 | &gSimpleTextInExNotifyGuid,\r | |
490 | NULL,\r | |
491 | NULL\r | |
492 | );\r | |
493 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 494 | gBS->FreePool (CurrentNotify);\r |
66aa04e4 | 495 | return EFI_SUCCESS;\r |
496 | }\r | |
497 | }\r | |
fb0b259e | 498 | \r |
499 | return EFI_NOT_FOUND;\r | |
66aa04e4 | 500 | }\r |
501 | \r | |
e49ef433 | 502 | /**\r |
8fd98315 | 503 | Translate raw data into Unicode (according to different encode), and \r |
e49ef433 | 504 | translate Unicode into key information. (according to different standard). \r |
66aa04e4 | 505 | \r |
e49ef433 | 506 | @param TerminalDevice Terminal driver private structure.\r |
507 | \r | |
508 | @return none.\r | |
509 | \r | |
510 | **/\r | |
95276127 | 511 | VOID\r |
512 | TranslateRawDataToEfiKey (\r | |
513 | IN TERMINAL_DEV *TerminalDevice\r | |
514 | )\r | |
95276127 | 515 | {\r |
516 | switch (TerminalDevice->TerminalType) {\r | |
517 | \r | |
e49ef433 | 518 | case PCANSITYPE:\r |
519 | case VT100TYPE:\r | |
520 | case VT100PLUSTYPE:\r | |
95276127 | 521 | AnsiRawDataToUnicode (TerminalDevice);\r |
522 | UnicodeToEfiKey (TerminalDevice);\r | |
523 | break;\r | |
524 | \r | |
e49ef433 | 525 | case VTUTF8TYPE:\r |
95276127 | 526 | //\r |
527 | // Process all the raw data in the RawFIFO,\r | |
528 | // put the processed key into UnicodeFIFO.\r | |
529 | //\r | |
530 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
531 | \r | |
532 | //\r | |
533 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
534 | // then put into EfiKeyFIFO.\r | |
535 | //\r | |
536 | UnicodeToEfiKey (TerminalDevice);\r | |
537 | \r | |
538 | break;\r | |
539 | }\r | |
540 | }\r | |
541 | \r | |
e49ef433 | 542 | /**\r |
543 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
544 | Signal the event if there is key available\r | |
545 | \r | |
546 | @param Event Indicates the event that invoke this function.\r | |
547 | @param Context Indicates the calling context.\r | |
548 | \r | |
549 | @return None\r | |
550 | \r | |
551 | **/\r | |
95276127 | 552 | VOID\r |
553 | EFIAPI\r | |
554 | TerminalConInWaitForKey (\r | |
555 | IN EFI_EVENT Event,\r | |
556 | IN VOID *Context\r | |
557 | )\r | |
95276127 | 558 | {\r |
559 | //\r | |
560 | // Someone is waiting on the keystroke event, if there's\r | |
561 | // a key pending, signal the event\r | |
562 | //\r | |
563 | // Context is the pointer to EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r | |
564 | //\r | |
565 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
566 | \r | |
567 | gBS->SignalEvent (Event);\r | |
568 | }\r | |
569 | }\r | |
570 | \r | |
fb0b259e | 571 | \r |
e49ef433 | 572 | /**\r |
573 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
fb0b259e | 574 | \r |
e49ef433 | 575 | @param This Indicates the calling context.\r |
fb0b259e | 576 | \r |
8fd98315 | 577 | @retval EFI_SUCCESS There is key pending.\r |
578 | @retval EFI_NOT_READY There is no key pending.\r | |
11baadb6 | 579 | @retval EFI_DEVICE_ERROR If Serial IO is not attached to serial device.\r |
fb0b259e | 580 | \r |
e49ef433 | 581 | **/\r |
582 | EFI_STATUS\r | |
583 | TerminalConInCheckForKey (\r | |
584 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
585 | )\r | |
95276127 | 586 | {\r |
587 | EFI_STATUS Status;\r | |
588 | TERMINAL_DEV *TerminalDevice;\r | |
589 | UINT32 Control;\r | |
590 | UINT8 Input;\r | |
591 | EFI_SERIAL_IO_MODE *Mode;\r | |
592 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
593 | UINTN SerialInTimeOut;\r | |
594 | \r | |
595 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
596 | \r | |
597 | SerialIo = TerminalDevice->SerialIo;\r | |
598 | if (SerialIo == NULL) {\r | |
599 | return EFI_DEVICE_ERROR;\r | |
600 | }\r | |
601 | //\r | |
602 | // if current timeout value for serial device is not identical with\r | |
603 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
604 | // timeout value again and set serial attribute according to this value.\r | |
605 | //\r | |
606 | Mode = SerialIo->Mode;\r | |
607 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
608 | \r | |
609 | SerialInTimeOut = 0;\r | |
610 | if (Mode->BaudRate != 0) {\r | |
ab76200c | 611 | //\r |
612 | // According to BAUD rate to calculate the timeout value.\r | |
613 | //\r | |
95276127 | 614 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r |
615 | }\r | |
616 | \r | |
617 | Status = SerialIo->SetAttributes (\r | |
618 | SerialIo,\r | |
619 | Mode->BaudRate,\r | |
620 | Mode->ReceiveFifoDepth,\r | |
621 | (UINT32) SerialInTimeOut,\r | |
622 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
623 | (UINT8) Mode->DataBits,\r | |
624 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
625 | );\r | |
626 | \r | |
627 | if (EFI_ERROR (Status)) {\r | |
628 | TerminalDevice->SerialInTimeOut = 0;\r | |
629 | } else {\r | |
630 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
631 | }\r | |
632 | }\r | |
633 | //\r | |
ab76200c | 634 | // Check whether serial buffer is empty.\r |
95276127 | 635 | //\r |
636 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
637 | \r | |
ab76200c | 638 | if ((Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) != 0) {\r |
95276127 | 639 | //\r |
640 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
641 | // according to different terminal type supported.\r | |
642 | //\r | |
643 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
644 | \r | |
645 | //\r | |
646 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
647 | // return directly.\r | |
648 | //\r | |
649 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
650 | return EFI_SUCCESS;\r | |
651 | } else {\r | |
652 | return EFI_NOT_READY;\r | |
653 | }\r | |
654 | }\r | |
655 | //\r | |
656 | // Fetch all the keys in the serial buffer,\r | |
657 | // and insert the byte stream into RawFIFO.\r | |
658 | //\r | |
659 | do {\r | |
660 | \r | |
661 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
662 | \r | |
663 | if (EFI_ERROR (Status)) {\r | |
664 | if (Status == EFI_DEVICE_ERROR) {\r | |
665 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
666 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 667 | PcdGet32 (PcdStatusCodeValueRemoteConsoleInputError),\r |
95276127 | 668 | TerminalDevice->DevicePath\r |
669 | );\r | |
670 | }\r | |
671 | break;\r | |
672 | }\r | |
673 | \r | |
674 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
675 | } while (TRUE);\r | |
676 | \r | |
677 | //\r | |
678 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
679 | // according to different terminal type supported.\r | |
680 | //\r | |
681 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
682 | \r | |
683 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
684 | return EFI_NOT_READY;\r | |
685 | }\r | |
686 | \r | |
687 | return EFI_SUCCESS;\r | |
688 | }\r | |
689 | \r | |
e49ef433 | 690 | /**\r |
691 | Get one key out of serial buffer.\r | |
692 | \r | |
11baadb6 | 693 | @param SerialIo Serial I/O protocol attached to the serial device.\r |
e49ef433 | 694 | @param Output The fetched key.\r |
695 | \r | |
696 | @return EFI_NOT_READY If serial buffer is empty.\r | |
697 | @return EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
698 | @return EFI_SUCCESS If reading serial buffer successfully, put\r | |
699 | the fetched key to the parameter output.\r | |
700 | \r | |
701 | **/\r | |
95276127 | 702 | EFI_STATUS\r |
703 | GetOneKeyFromSerial (\r | |
704 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
e49ef433 | 705 | UINT8 *Output\r |
95276127 | 706 | )\r |
95276127 | 707 | {\r |
708 | EFI_STATUS Status;\r | |
709 | UINTN Size;\r | |
710 | \r | |
711 | Size = 1;\r | |
e49ef433 | 712 | *Output = 0;\r |
95276127 | 713 | \r |
ab76200c | 714 | //\r |
715 | // Read one key from serial I/O device.\r | |
716 | //\r | |
e49ef433 | 717 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
95276127 | 718 | \r |
719 | if (EFI_ERROR (Status)) {\r | |
720 | \r | |
721 | if (Status == EFI_TIMEOUT) {\r | |
722 | return EFI_NOT_READY;\r | |
723 | }\r | |
724 | \r | |
725 | return EFI_DEVICE_ERROR;\r | |
726 | \r | |
727 | }\r | |
728 | \r | |
e49ef433 | 729 | if (*Output == 0) {\r |
95276127 | 730 | return EFI_NOT_READY;\r |
731 | }\r | |
732 | \r | |
733 | return EFI_SUCCESS;\r | |
734 | }\r | |
735 | \r | |
e49ef433 | 736 | /**\r |
737 | Insert one byte raw data into the Raw Data FIFO.\r | |
738 | \r | |
739 | @param TerminalDevice Terminal driver private structure.\r | |
740 | @param Input The key will be input.\r | |
741 | \r | |
742 | @return TRUE If insert successfully.\r | |
743 | @return FLASE If Raw Data buffer is full before key insertion,\r | |
744 | and the key is lost.\r | |
745 | \r | |
746 | **/\r | |
95276127 | 747 | BOOLEAN\r |
748 | RawFiFoInsertOneKey (\r | |
749 | TERMINAL_DEV *TerminalDevice,\r | |
750 | UINT8 Input\r | |
751 | )\r | |
95276127 | 752 | {\r |
753 | UINT8 Tail;\r | |
754 | \r | |
755 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
756 | \r | |
757 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
758 | //\r | |
759 | // Raw FIFO is full\r | |
760 | //\r | |
761 | return FALSE;\r | |
762 | }\r | |
763 | \r | |
764 | TerminalDevice->RawFiFo.Data[Tail] = Input;\r | |
765 | \r | |
766 | TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
767 | \r | |
768 | return TRUE;\r | |
769 | }\r | |
770 | \r | |
e49ef433 | 771 | /**\r |
772 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
773 | \r | |
774 | @param TerminalDevice Terminal driver private structure.\r | |
775 | @param Output The key will be removed.\r | |
776 | \r | |
777 | @return TRUE If insert successfully.\r | |
778 | @return FLASE If Raw Data FIFO buffer is empty before remove operation.\r | |
779 | \r | |
780 | **/\r | |
95276127 | 781 | BOOLEAN\r |
782 | RawFiFoRemoveOneKey (\r | |
783 | TERMINAL_DEV *TerminalDevice,\r | |
784 | UINT8 *Output\r | |
785 | )\r | |
95276127 | 786 | {\r |
787 | UINT8 Head;\r | |
788 | \r | |
789 | Head = TerminalDevice->RawFiFo.Head;\r | |
790 | \r | |
791 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
792 | //\r | |
793 | // FIFO is empty\r | |
794 | //\r | |
795 | *Output = 0;\r | |
796 | return FALSE;\r | |
797 | }\r | |
798 | \r | |
799 | *Output = TerminalDevice->RawFiFo.Data[Head];\r | |
800 | \r | |
801 | TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
802 | \r | |
803 | return TRUE;\r | |
804 | }\r | |
805 | \r | |
e49ef433 | 806 | /**\r |
807 | Clarify whether Raw Data FIFO buffer is empty.\r | |
808 | \r | |
809 | @param TerminalDevice Terminal driver private structure\r | |
810 | \r | |
811 | @return TRUE If Raw Data FIFO buffer is empty.\r | |
812 | @return FLASE If Raw Data FIFO buffer is not empty.\r | |
813 | \r | |
814 | **/\r | |
95276127 | 815 | BOOLEAN\r |
816 | IsRawFiFoEmpty (\r | |
817 | TERMINAL_DEV *TerminalDevice\r | |
818 | )\r | |
95276127 | 819 | {\r |
820 | if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) {\r | |
821 | return TRUE;\r | |
822 | } else {\r | |
823 | return FALSE;\r | |
824 | }\r | |
825 | }\r | |
826 | \r | |
e49ef433 | 827 | /**\r |
828 | Clarify whether Raw Data FIFO buffer is full.\r | |
829 | \r | |
830 | @param TerminalDevice Terminal driver private structure\r | |
831 | \r | |
832 | @return TRUE If Raw Data FIFO buffer is full.\r | |
833 | @return FLASE If Raw Data FIFO buffer is not full.\r | |
834 | \r | |
835 | **/\r | |
95276127 | 836 | BOOLEAN\r |
837 | IsRawFiFoFull (\r | |
838 | TERMINAL_DEV *TerminalDevice\r | |
839 | )\r | |
95276127 | 840 | {\r |
841 | UINT8 Tail;\r | |
842 | UINT8 Head;\r | |
843 | \r | |
844 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
845 | Head = TerminalDevice->RawFiFo.Head;\r | |
846 | \r | |
847 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
848 | \r | |
849 | return TRUE;\r | |
850 | }\r | |
851 | \r | |
852 | return FALSE;\r | |
853 | }\r | |
854 | \r | |
e49ef433 | 855 | /**\r |
856 | Insert one pre-fetched key into the FIFO buffer.\r | |
857 | \r | |
858 | @param TerminalDevice Terminal driver private structure.\r | |
859 | @param Key The key will be input.\r | |
860 | \r | |
861 | @return TRUE If insert successfully.\r | |
862 | @return FLASE If FIFO buffer is full before key insertion,\r | |
863 | and the key is lost.\r | |
864 | \r | |
865 | **/\r | |
95276127 | 866 | BOOLEAN\r |
867 | EfiKeyFiFoInsertOneKey (\r | |
868 | TERMINAL_DEV *TerminalDevice,\r | |
869 | EFI_INPUT_KEY Key\r | |
870 | )\r | |
95276127 | 871 | {\r |
872 | UINT8 Tail;\r | |
873 | \r | |
874 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
875 | \r | |
876 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
877 | //\r | |
878 | // Efi Key FIFO is full\r | |
879 | //\r | |
880 | return FALSE;\r | |
881 | }\r | |
882 | \r | |
883 | TerminalDevice->EfiKeyFiFo.Data[Tail] = Key;\r | |
884 | \r | |
885 | TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
886 | \r | |
887 | return TRUE;\r | |
888 | }\r | |
889 | \r | |
e49ef433 | 890 | /**\r |
891 | Remove one pre-fetched key out of the FIFO buffer.\r | |
892 | \r | |
893 | @param TerminalDevice Terminal driver private structure.\r | |
894 | @param Output The key will be removed.\r | |
895 | \r | |
896 | @return TRUE If insert successfully.\r | |
897 | @return FLASE If FIFO buffer is empty before remove operation.\r | |
898 | \r | |
899 | **/\r | |
95276127 | 900 | BOOLEAN\r |
901 | EfiKeyFiFoRemoveOneKey (\r | |
902 | TERMINAL_DEV *TerminalDevice,\r | |
903 | EFI_INPUT_KEY *Output\r | |
904 | )\r | |
95276127 | 905 | {\r |
906 | UINT8 Head;\r | |
907 | \r | |
908 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
909 | \r | |
910 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
911 | //\r | |
912 | // FIFO is empty\r | |
913 | //\r | |
914 | Output->ScanCode = SCAN_NULL;\r | |
915 | Output->UnicodeChar = 0;\r | |
916 | return FALSE;\r | |
917 | }\r | |
918 | \r | |
919 | *Output = TerminalDevice->EfiKeyFiFo.Data[Head];\r | |
920 | \r | |
921 | TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
922 | \r | |
923 | return TRUE;\r | |
924 | }\r | |
925 | \r | |
e49ef433 | 926 | /**\r |
927 | Clarify whether FIFO buffer is empty.\r | |
928 | \r | |
929 | @param TerminalDevice Terminal driver private structure\r | |
930 | \r | |
931 | @return TRUE If FIFO buffer is empty.\r | |
932 | @return FLASE If FIFO buffer is not empty.\r | |
933 | \r | |
934 | **/\r | |
95276127 | 935 | BOOLEAN\r |
936 | IsEfiKeyFiFoEmpty (\r | |
937 | TERMINAL_DEV *TerminalDevice\r | |
938 | )\r | |
95276127 | 939 | {\r |
940 | if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) {\r | |
941 | return TRUE;\r | |
942 | } else {\r | |
943 | return FALSE;\r | |
944 | }\r | |
945 | }\r | |
946 | \r | |
e49ef433 | 947 | /**\r |
948 | Clarify whether FIFO buffer is full.\r | |
949 | \r | |
950 | @param TerminalDevice Terminal driver private structure\r | |
951 | \r | |
952 | @return TRUE If FIFO buffer is full.\r | |
953 | @return FLASE If FIFO buffer is not full.\r | |
954 | \r | |
955 | **/\r | |
95276127 | 956 | BOOLEAN\r |
957 | IsEfiKeyFiFoFull (\r | |
958 | TERMINAL_DEV *TerminalDevice\r | |
959 | )\r | |
95276127 | 960 | {\r |
961 | UINT8 Tail;\r | |
962 | UINT8 Head;\r | |
963 | \r | |
964 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
965 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
966 | \r | |
967 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
968 | \r | |
969 | return TRUE;\r | |
970 | }\r | |
971 | \r | |
972 | return FALSE;\r | |
973 | }\r | |
974 | \r | |
e49ef433 | 975 | /**\r |
976 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
977 | \r | |
978 | @param TerminalDevice Terminal driver private structure.\r | |
979 | @param Input The key will be input.\r | |
980 | \r | |
981 | @return TRUE If insert successfully.\r | |
982 | @return FLASE If Unicode FIFO buffer is full before key insertion,\r | |
983 | and the key is lost.\r | |
984 | \r | |
985 | **/\r | |
95276127 | 986 | BOOLEAN\r |
987 | UnicodeFiFoInsertOneKey (\r | |
988 | TERMINAL_DEV *TerminalDevice,\r | |
989 | UINT16 Input\r | |
990 | )\r | |
95276127 | 991 | {\r |
992 | UINT8 Tail;\r | |
993 | \r | |
994 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
995 | \r | |
996 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
997 | //\r | |
998 | // Unicode FIFO is full\r | |
999 | //\r | |
1000 | return FALSE;\r | |
1001 | }\r | |
1002 | \r | |
1003 | TerminalDevice->UnicodeFiFo.Data[Tail] = Input;\r | |
1004 | \r | |
1005 | TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1006 | \r | |
1007 | return TRUE;\r | |
1008 | }\r | |
1009 | \r | |
e49ef433 | 1010 | /**\r |
1011 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
1012 | \r | |
1013 | @param TerminalDevice Terminal driver private structure.\r | |
1014 | @param Output The key will be removed.\r | |
1015 | \r | |
1016 | @return TRUE If insert successfully.\r | |
1017 | @return FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
1018 | \r | |
1019 | **/\r | |
95276127 | 1020 | BOOLEAN\r |
1021 | UnicodeFiFoRemoveOneKey (\r | |
1022 | TERMINAL_DEV *TerminalDevice,\r | |
1023 | UINT16 *Output\r | |
1024 | )\r | |
95276127 | 1025 | {\r |
1026 | UINT8 Head;\r | |
1027 | \r | |
1028 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1029 | \r | |
1030 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1031 | //\r | |
1032 | // FIFO is empty\r | |
1033 | //\r | |
1034 | Output = NULL;\r | |
1035 | return FALSE;\r | |
1036 | }\r | |
1037 | \r | |
1038 | *Output = TerminalDevice->UnicodeFiFo.Data[Head];\r | |
1039 | \r | |
1040 | TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1041 | \r | |
1042 | return TRUE;\r | |
1043 | }\r | |
1044 | \r | |
e49ef433 | 1045 | /**\r |
1046 | Clarify whether Unicode FIFO buffer is empty.\r | |
1047 | \r | |
1048 | @param TerminalDevice Terminal driver private structure\r | |
1049 | \r | |
1050 | @return TRUE If Unicode FIFO buffer is empty.\r | |
1051 | @return FLASE If Unicode FIFO buffer is not empty.\r | |
1052 | \r | |
1053 | **/\r | |
95276127 | 1054 | BOOLEAN\r |
1055 | IsUnicodeFiFoEmpty (\r | |
1056 | TERMINAL_DEV *TerminalDevice\r | |
1057 | )\r | |
95276127 | 1058 | {\r |
1059 | if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) {\r | |
1060 | return TRUE;\r | |
1061 | } else {\r | |
1062 | return FALSE;\r | |
1063 | }\r | |
1064 | }\r | |
1065 | \r | |
e49ef433 | 1066 | /**\r |
1067 | Clarify whether Unicode FIFO buffer is full.\r | |
1068 | \r | |
1069 | @param TerminalDevice Terminal driver private structure\r | |
1070 | \r | |
1071 | @return TRUE If Unicode FIFO buffer is full.\r | |
1072 | @return FLASE If Unicode FIFO buffer is not full.\r | |
1073 | \r | |
1074 | **/\r | |
95276127 | 1075 | BOOLEAN\r |
1076 | IsUnicodeFiFoFull (\r | |
1077 | TERMINAL_DEV *TerminalDevice\r | |
1078 | )\r | |
95276127 | 1079 | {\r |
1080 | UINT8 Tail;\r | |
1081 | UINT8 Head;\r | |
1082 | \r | |
1083 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1084 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1085 | \r | |
1086 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1087 | \r | |
1088 | return TRUE;\r | |
1089 | }\r | |
1090 | \r | |
1091 | return FALSE;\r | |
1092 | }\r | |
1093 | \r | |
8fd98315 | 1094 | /**\r |
1095 | Count Unicode FIFO buffer.\r | |
1096 | \r | |
1097 | @param TerminalDevice Terminal driver private structure\r | |
1098 | \r | |
1099 | @return The count in bytes of Unicode FIFO.\r | |
1100 | \r | |
1101 | **/\r | |
95276127 | 1102 | UINT8\r |
1103 | UnicodeFiFoGetKeyCount (\r | |
1104 | TERMINAL_DEV *TerminalDevice\r | |
1105 | )\r | |
1106 | {\r | |
1107 | UINT8 Tail;\r | |
1108 | UINT8 Head;\r | |
1109 | \r | |
1110 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1111 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1112 | \r | |
1113 | if (Tail >= Head) {\r | |
1114 | return (UINT8) (Tail - Head);\r | |
1115 | } else {\r | |
1116 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1117 | }\r | |
1118 | }\r | |
1119 | \r | |
8fd98315 | 1120 | /**\r |
1121 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
1122 | \r | |
1123 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
1124 | \r | |
1125 | @return None.\r | |
1126 | \r | |
1127 | **/\r | |
95276127 | 1128 | VOID\r |
1129 | UnicodeToEfiKeyFlushState (\r | |
1130 | IN TERMINAL_DEV *TerminalDevice\r | |
1131 | )\r | |
1132 | {\r | |
1133 | EFI_INPUT_KEY Key;\r | |
11baadb6 | 1134 | UINT32 InputState;\r |
1135 | \r | |
1136 | InputState = TerminalDevice->InputState;\r | |
1137 | \r | |
1138 | if ((InputState & INPUT_STATE_ESC) != 0) {\r | |
95276127 | 1139 | Key.ScanCode = SCAN_ESC;\r |
1140 | Key.UnicodeChar = 0;\r | |
1141 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1142 | }\r | |
1143 | \r | |
11baadb6 | 1144 | if ((InputState & INPUT_STATE_CSI) != 0) {\r |
95276127 | 1145 | Key.ScanCode = SCAN_NULL;\r |
1146 | Key.UnicodeChar = CSI;\r | |
1147 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1148 | }\r | |
1149 | \r | |
11baadb6 | 1150 | if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r |
95276127 | 1151 | Key.ScanCode = SCAN_NULL;\r |
1152 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1153 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1154 | }\r | |
1155 | \r | |
11baadb6 | 1156 | if ((InputState & INPUT_STATE_O) != 0) {\r |
95276127 | 1157 | Key.ScanCode = SCAN_NULL;\r |
1158 | Key.UnicodeChar = 'O';\r | |
1159 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1160 | }\r | |
1161 | \r | |
11baadb6 | 1162 | if ((InputState & INPUT_STATE_2) != 0) {\r |
95276127 | 1163 | Key.ScanCode = SCAN_NULL;\r |
1164 | Key.UnicodeChar = '2';\r | |
1165 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1166 | }\r | |
1167 | \r | |
ab76200c | 1168 | //\r |
1169 | // Cancel the timer.\r | |
1170 | //\r | |
95276127 | 1171 | gBS->SetTimer (\r |
1172 | TerminalDevice->TwoSecondTimeOut,\r | |
1173 | TimerCancel,\r | |
1174 | 0\r | |
1175 | );\r | |
1176 | \r | |
1177 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1178 | }\r | |
1179 | \r | |
e49ef433 | 1180 | \r |
1181 | /**\r | |
1182 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
8fd98315 | 1183 | can be read through the Simple Input Protocol. \r |
1184 | \r | |
1185 | The table below shows the keyboard input mappings that this function supports.\r | |
1186 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
11baadb6 | 1187 | into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw\r |
8fd98315 | 1188 | key strokes are converted into EFI Keys.\r |
1189 | \r | |
e49ef433 | 1190 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r |
1191 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
1192 | converted into EFI Keys.\r | |
1193 | There is one special input sequence that will force the system to reset.\r | |
1194 | This is ESC R ESC r ESC R.\r | |
1195 | \r | |
1196 | Symbols used in table below\r | |
1197 | ===========================\r | |
1198 | ESC = 0x1B\r | |
1199 | CSI = 0x9B\r | |
1200 | DEL = 0x7f\r | |
1201 | ^ = CTRL\r | |
8fd98315 | 1202 | \r |
e49ef433 | 1203 | +=========+======+===========+==========+==========+\r |
1204 | | | EFI | UEFI 2.0 | | |\r | |
1205 | | | Scan | | VT100+ | |\r | |
1206 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1207 | +=========+======+===========+==========+==========+\r | |
1208 | | NULL | 0x00 | | | |\r | |
1209 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1210 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
1211 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
1212 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
1213 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1214 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1215 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1216 | | | | ESC [ L | | ESC [ L |\r | |
1217 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1218 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1219 | | | | | | ESC [ ? |\r | |
1220 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1221 | | | | | | ESC [ / |\r | |
1222 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1223 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1224 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1225 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1226 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1227 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1228 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1229 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1230 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1231 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1232 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
1233 | | F11 | 0x15 | | ESC ! | |\r | |
1234 | | F12 | 0x16 | | ESC @ | |\r | |
1235 | +=========+======+===========+==========+==========+\r | |
8fd98315 | 1236 | \r |
e49ef433 | 1237 | Special Mappings\r |
1238 | ================\r | |
1239 | ESC R ESC r ESC R = Reset System\r | |
1240 | \r | |
e49ef433 | 1241 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
1242 | \r | |
8fd98315 | 1243 | @return None.\r |
e49ef433 | 1244 | \r |
1245 | **/\r | |
95276127 | 1246 | VOID\r |
1247 | UnicodeToEfiKey (\r | |
1248 | IN TERMINAL_DEV *TerminalDevice\r | |
1249 | )\r | |
95276127 | 1250 | {\r |
1251 | EFI_STATUS Status;\r | |
1252 | EFI_STATUS TimerStatus;\r | |
1253 | UINT16 UnicodeChar;\r | |
1254 | EFI_INPUT_KEY Key;\r | |
1255 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1256 | \r |
95276127 | 1257 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1258 | \r | |
1259 | if (!EFI_ERROR (TimerStatus)) {\r | |
1260 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1261 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1262 | }\r | |
1263 | \r | |
1264 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1265 | \r |
95276127 | 1266 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1267 | //\r | |
1268 | // Check to see if the 2 second timer has expired\r | |
1269 | //\r | |
1270 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1271 | if (!EFI_ERROR (TimerStatus)) {\r | |
1272 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1273 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1274 | }\r | |
1275 | }\r | |
1276 | \r | |
1277 | //\r | |
1278 | // Fetch one Unicode character from the Unicode FIFO\r | |
1279 | //\r | |
8fd98315 | 1280 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r |
95276127 | 1281 | \r |
1282 | SetDefaultResetState = TRUE;\r | |
1283 | \r | |
1284 | switch (TerminalDevice->InputState) {\r | |
1285 | case INPUT_STATE_DEFAULT:\r | |
1286 | \r | |
1287 | break;\r | |
1288 | \r | |
1289 | case INPUT_STATE_ESC:\r | |
1290 | \r | |
1291 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1292 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1293 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1294 | continue;\r | |
1295 | }\r | |
1296 | \r | |
e49ef433 | 1297 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1298 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
1299 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1300 | continue;\r | |
1301 | }\r | |
1302 | \r | |
1303 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1304 | \r |
e49ef433 | 1305 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
1306 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1307 | switch (UnicodeChar) {\r |
fb0b259e | 1308 | case '1':\r |
1309 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1310 | break;\r |
fb0b259e | 1311 | case '2':\r |
1312 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1313 | break;\r |
fb0b259e | 1314 | case '3':\r |
1315 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1316 | break;\r |
fb0b259e | 1317 | case '4':\r |
1318 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1319 | break;\r |
fb0b259e | 1320 | case '5':\r |
1321 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1322 | break;\r |
fb0b259e | 1323 | case '6':\r |
1324 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1325 | break;\r |
fb0b259e | 1326 | case '7':\r |
1327 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1328 | break;\r |
fb0b259e | 1329 | case '8':\r |
1330 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1331 | break;\r |
fb0b259e | 1332 | case '9':\r |
1333 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1334 | break;\r |
fb0b259e | 1335 | case '0':\r |
1336 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1337 | break;\r |
66aa04e4 | 1338 | case '!':\r |
1339 | Key.ScanCode = SCAN_F11;\r | |
1340 | break;\r | |
1341 | case '@':\r | |
1342 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1343 | break;\r |
fb0b259e | 1344 | case 'h':\r |
1345 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1346 | break;\r |
fb0b259e | 1347 | case 'k':\r |
1348 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1349 | break;\r |
fb0b259e | 1350 | case '+':\r |
1351 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1352 | break;\r |
fb0b259e | 1353 | case '-':\r |
1354 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1355 | break;\r |
fb0b259e | 1356 | case '/':\r |
1357 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1358 | break;\r | |
1359 | case '?':\r | |
1360 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1361 | break;\r | |
1362 | default :\r | |
95276127 | 1363 | break;\r |
1364 | }\r | |
1365 | }\r | |
fb0b259e | 1366 | \r |
95276127 | 1367 | switch (UnicodeChar) {\r |
fb0b259e | 1368 | case 'R':\r |
95276127 | 1369 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1370 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1371 | SetDefaultResetState = FALSE;\r | |
1372 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1373 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1374 | }\r | |
1375 | Key.ScanCode = SCAN_NULL;\r | |
1376 | break;\r | |
fb0b259e | 1377 | case 'r':\r |
95276127 | 1378 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1379 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1380 | SetDefaultResetState = FALSE;\r | |
1381 | }\r | |
1382 | Key.ScanCode = SCAN_NULL;\r | |
1383 | break;\r | |
fb0b259e | 1384 | default :\r |
95276127 | 1385 | break;\r |
1386 | }\r | |
1387 | \r | |
1388 | if (SetDefaultResetState) {\r | |
1389 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1390 | }\r | |
1391 | \r | |
1392 | if (Key.ScanCode != SCAN_NULL) {\r | |
1393 | Key.UnicodeChar = 0;\r | |
1394 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1395 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1396 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1397 | continue;\r | |
1398 | }\r | |
1399 | \r | |
1400 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1401 | \r | |
1402 | break;\r | |
1403 | \r | |
1404 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1405 | \r | |
1406 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1407 | \r | |
1408 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1409 | \r |
e49ef433 | 1410 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
95276127 | 1411 | switch (UnicodeChar) {\r |
fb0b259e | 1412 | case 'P':\r |
1413 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1414 | break;\r |
fb0b259e | 1415 | case 'Q':\r |
1416 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1417 | break;\r |
fb0b259e | 1418 | case 'w':\r |
1419 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1420 | break;\r |
fb0b259e | 1421 | case 'x':\r |
1422 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1423 | break;\r |
fb0b259e | 1424 | case 't':\r |
1425 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1426 | break;\r |
fb0b259e | 1427 | case 'u':\r |
1428 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1429 | break;\r |
fb0b259e | 1430 | case 'q':\r |
1431 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1432 | break;\r |
fb0b259e | 1433 | case 'r':\r |
1434 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1435 | break;\r |
fb0b259e | 1436 | case 'p':\r |
1437 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1438 | break;\r |
fb0b259e | 1439 | case 'M':\r |
1440 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1441 | break;\r |
fb0b259e | 1442 | default :\r |
95276127 | 1443 | break;\r |
1444 | }\r | |
1445 | }\r | |
1446 | \r | |
1447 | if (Key.ScanCode != SCAN_NULL) {\r | |
1448 | Key.UnicodeChar = 0;\r | |
1449 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1450 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1451 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1452 | continue;\r | |
1453 | }\r | |
1454 | \r | |
1455 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1456 | \r | |
1457 | break;\r | |
1458 | \r | |
1459 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1460 | \r |
95276127 | 1461 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1462 | \r |
95276127 | 1463 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1464 | \r |
e49ef433 | 1465 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1466 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
1467 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
1468 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
95276127 | 1469 | switch (UnicodeChar) {\r |
fb0b259e | 1470 | case 'A':\r |
1471 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1472 | break;\r |
fb0b259e | 1473 | case 'B':\r |
1474 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1475 | break;\r |
fb0b259e | 1476 | case 'C':\r |
1477 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1478 | break;\r |
fb0b259e | 1479 | case 'D':\r |
1480 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1481 | break;\r |
fb0b259e | 1482 | case 'H':\r |
e49ef433 | 1483 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1484 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1485 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1486 | }\r |
1487 | break;\r | |
fb0b259e | 1488 | case 'F':\r |
e49ef433 | 1489 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1490 | Key.ScanCode = SCAN_END;\r |
1491 | }\r | |
1492 | break;\r | |
fb0b259e | 1493 | case 'K':\r |
e49ef433 | 1494 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1495 | Key.ScanCode = SCAN_END;\r |
95276127 | 1496 | }\r |
1497 | break;\r | |
fb0b259e | 1498 | case 'L':\r |
1499 | case '@':\r | |
e49ef433 | 1500 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
1501 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
fb0b259e | 1502 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1503 | }\r |
1504 | break;\r | |
fb0b259e | 1505 | case 'X':\r |
e49ef433 | 1506 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1507 | Key.ScanCode = SCAN_DELETE;\r |
1508 | }\r | |
1509 | break;\r | |
fb0b259e | 1510 | case 'P':\r |
e49ef433 | 1511 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1512 | Key.ScanCode = SCAN_DELETE;\r |
e49ef433 | 1513 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1514 | Key.ScanCode = SCAN_F4;\r |
1515 | }\r | |
1516 | break;\r | |
fb0b259e | 1517 | case 'I':\r |
e49ef433 | 1518 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1519 | Key.ScanCode = SCAN_PAGE_UP;\r |
1520 | }\r | |
fb0b259e | 1521 | break;\r |
1522 | case 'V':\r | |
e49ef433 | 1523 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1524 | Key.ScanCode = SCAN_F10;\r |
fb0b259e | 1525 | }\r |
1526 | case '?':\r | |
e49ef433 | 1527 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1528 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1529 | }\r |
1530 | break;\r | |
fb0b259e | 1531 | case 'G':\r |
e49ef433 | 1532 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1533 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
1534 | }\r | |
fb0b259e | 1535 | break;\r |
1536 | case 'U':\r | |
e49ef433 | 1537 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1538 | Key.ScanCode = SCAN_F9;\r |
1539 | }\r | |
fb0b259e | 1540 | case '/':\r |
e49ef433 | 1541 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
fb0b259e | 1542 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1543 | }\r |
1544 | break;\r | |
fb0b259e | 1545 | case 'M':\r |
e49ef433 | 1546 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1547 | Key.ScanCode = SCAN_F1;\r |
1548 | }\r | |
fb0b259e | 1549 | break;\r |
1550 | case 'N':\r | |
e49ef433 | 1551 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1552 | Key.ScanCode = SCAN_F2;\r |
1553 | }\r | |
fb0b259e | 1554 | break;\r |
1555 | case 'O':\r | |
e49ef433 | 1556 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1557 | Key.ScanCode = SCAN_F3;\r |
1558 | }\r | |
fb0b259e | 1559 | break;\r |
1560 | case 'Q':\r | |
e49ef433 | 1561 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1562 | Key.ScanCode = SCAN_F5;\r |
1563 | }\r | |
fb0b259e | 1564 | break;\r |
1565 | case 'R':\r | |
e49ef433 | 1566 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1567 | Key.ScanCode = SCAN_F6;\r |
1568 | }\r | |
fb0b259e | 1569 | break;\r |
1570 | case 'S':\r | |
e49ef433 | 1571 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1572 | Key.ScanCode = SCAN_F7;\r |
1573 | }\r | |
fb0b259e | 1574 | break;\r |
1575 | case 'T':\r | |
e49ef433 | 1576 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
95276127 | 1577 | Key.ScanCode = SCAN_F8;\r |
1578 | }\r | |
fb0b259e | 1579 | break;\r |
1580 | default :\r | |
95276127 | 1581 | break;\r |
1582 | }\r | |
1583 | }\r | |
1584 | \r | |
1585 | if (Key.ScanCode != SCAN_NULL) {\r | |
1586 | Key.UnicodeChar = 0;\r | |
1587 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1588 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1589 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1590 | continue;\r | |
1591 | }\r | |
1592 | \r | |
1593 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1594 | \r | |
1595 | break;\r | |
1596 | \r | |
fb0b259e | 1597 | \r |
95276127 | 1598 | default:\r |
1599 | //\r | |
1600 | // Invalid state. This should never happen.\r | |
1601 | //\r | |
1602 | ASSERT (FALSE);\r | |
1603 | \r | |
1604 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1605 | \r | |
1606 | break;\r | |
1607 | }\r | |
1608 | \r | |
1609 | if (UnicodeChar == ESC) {\r | |
1610 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1611 | }\r | |
66aa04e4 | 1612 | \r |
1613 | if (UnicodeChar == CSI) {\r | |
1614 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1615 | }\r | |
fb0b259e | 1616 | \r |
95276127 | 1617 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1618 | Status = gBS->SetTimer(\r | |
1619 | TerminalDevice->TwoSecondTimeOut,\r | |
1620 | TimerRelative,\r | |
1621 | (UINT64)20000000\r | |
1622 | );\r | |
1623 | ASSERT_EFI_ERROR (Status);\r | |
1624 | continue;\r | |
1625 | }\r | |
1626 | \r | |
1627 | if (SetDefaultResetState) {\r | |
1628 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1629 | }\r | |
1630 | \r | |
1631 | if (UnicodeChar == DEL) {\r | |
1632 | Key.ScanCode = SCAN_DELETE;\r | |
1633 | Key.UnicodeChar = 0;\r | |
1634 | } else {\r | |
1635 | Key.ScanCode = SCAN_NULL;\r | |
1636 | Key.UnicodeChar = UnicodeChar;\r | |
1637 | }\r | |
1638 | \r | |
1639 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1640 | }\r | |
1641 | }\r |