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95276127 | 1 | /**@file\r |
66aa04e4 | 2 | Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.\r |
fb0b259e | 3 | \r |
4 | Copyright (c) 2006 - 2007, Intel Corporation. <BR>\r | |
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 |
66aa04e4 | 18 | STATIC\r |
19 | EFI_STATUS\r | |
20 | ReadKeyStrokeWorker (\r | |
21 | IN TERMINAL_DEV *TerminalDevice,\r | |
22 | OUT EFI_KEY_DATA *KeyData\r | |
23 | )\r | |
24 | /*++\r | |
25 | \r | |
26 | Routine Description:\r | |
fb0b259e | 27 | Reads the next keystroke from the input device. The WaitForKey Event can\r |
66aa04e4 | 28 | be used to test for existance of a keystroke via WaitForEvent () call.\r |
29 | \r | |
30 | Arguments:\r | |
31 | TerminalDevice - Terminal driver private structure\r | |
fb0b259e | 32 | KeyData - A pointer to a buffer that is filled in with the keystroke\r |
66aa04e4 | 33 | state data for the key that was pressed.\r |
34 | \r | |
35 | Returns:\r | |
36 | EFI_SUCCESS - The keystroke information was returned.\r | |
37 | EFI_NOT_READY - There was no keystroke data availiable.\r | |
fb0b259e | 38 | EFI_DEVICE_ERROR - The keystroke information was not returned due to\r |
66aa04e4 | 39 | hardware errors.\r |
fb0b259e | 40 | EFI_INVALID_PARAMETER - KeyData is NULL.\r |
66aa04e4 | 41 | \r |
42 | --*/\r | |
43 | {\r | |
44 | EFI_STATUS Status;\r | |
45 | LIST_ENTRY *Link;\r | |
46 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
47 | \r | |
48 | if (KeyData == NULL) {\r | |
49 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 50 | }\r |
66aa04e4 | 51 | \r |
52 | //\r | |
53 | // Initialize *Key to nonsense value.\r | |
54 | //\r | |
55 | KeyData->Key.ScanCode = SCAN_NULL;\r | |
56 | KeyData->Key.UnicodeChar = 0;\r | |
57 | \r | |
58 | Status = TerminalConInCheckForKey (&TerminalDevice->SimpleInput);\r | |
59 | if (EFI_ERROR (Status)) {\r | |
60 | return EFI_NOT_READY;\r | |
61 | }\r | |
62 | \r | |
63 | if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {\r | |
64 | return EFI_NOT_READY;\r | |
65 | }\r | |
66 | \r | |
67 | KeyData->KeyState.KeyShiftState = 0;\r | |
68 | KeyData->KeyState.KeyToggleState = 0;\r | |
69 | \r | |
70 | //\r | |
71 | // Invoke notification functions if exist\r | |
72 | //\r | |
73 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
74 | CurrentNotify = CR (\r | |
fb0b259e | 75 | Link,\r |
76 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
77 | NotifyEntry,\r | |
66aa04e4 | 78 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
79 | );\r | |
fb0b259e | 80 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 81 | CurrentNotify->KeyNotificationFn (KeyData);\r |
82 | }\r | |
83 | }\r | |
84 | \r | |
85 | return EFI_SUCCESS;\r | |
86 | \r | |
87 | }\r | |
88 | \r | |
89 | \r | |
95276127 | 90 | EFI_STATUS\r |
91 | EFIAPI\r | |
92 | TerminalConInReset (\r | |
93 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
94 | IN BOOLEAN ExtendedVerification\r | |
95 | )\r | |
96 | /*++\r | |
97 | Routine Description:\r | |
fb0b259e | 98 | \r |
95276127 | 99 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r |
fb0b259e | 100 | This driver only perform dependent serial device reset regardless of\r |
95276127 | 101 | the value of ExtendeVerification\r |
fb0b259e | 102 | \r |
95276127 | 103 | Arguments:\r |
fb0b259e | 104 | \r |
95276127 | 105 | This - Indicates the calling context.\r |
fb0b259e | 106 | \r |
95276127 | 107 | ExtendedVerification - Skip by this driver.\r |
fb0b259e | 108 | \r |
95276127 | 109 | Returns:\r |
fb0b259e | 110 | \r |
95276127 | 111 | EFI_SUCCESS\r |
fb0b259e | 112 | The reset operation succeeds.\r |
113 | \r | |
95276127 | 114 | EFI_DEVICE_ERROR\r |
115 | The dependent serial port reset fails.\r | |
fb0b259e | 116 | \r |
95276127 | 117 | --*/\r |
118 | {\r | |
119 | EFI_STATUS Status;\r | |
120 | TERMINAL_DEV *TerminalDevice;\r | |
121 | \r | |
122 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
123 | \r | |
124 | //\r | |
125 | // Report progress code here\r | |
126 | //\r | |
127 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
128 | EFI_PROGRESS_CODE,\r | |
97a079ed | 129 | PcdGet32 (PcdStatusCodeValueRemoteConsoleReset),\r |
95276127 | 130 | TerminalDevice->DevicePath\r |
131 | );\r | |
132 | \r | |
133 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
134 | \r | |
135 | //\r | |
136 | // clear all the internal buffer for keys\r | |
137 | //\r | |
138 | InitializeRawFiFo (TerminalDevice);\r | |
139 | InitializeUnicodeFiFo (TerminalDevice);\r | |
140 | InitializeEfiKeyFiFo (TerminalDevice);\r | |
141 | \r | |
142 | if (EFI_ERROR (Status)) {\r | |
143 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
144 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 145 | PcdGet32 (PcdStatusCodeValueRemoteConsoleError),\r |
95276127 | 146 | TerminalDevice->DevicePath\r |
147 | );\r | |
148 | }\r | |
149 | \r | |
150 | return Status;\r | |
151 | }\r | |
152 | \r | |
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 | |
159 | /*++\r | |
160 | Routine Description:\r | |
fb0b259e | 161 | \r |
95276127 | 162 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r |
fb0b259e | 163 | \r |
95276127 | 164 | Arguments:\r |
fb0b259e | 165 | \r |
95276127 | 166 | This - Indicates the calling context.\r |
fb0b259e | 167 | \r |
95276127 | 168 | Key - A pointer to a buffer that is filled in with the keystroke\r |
fb0b259e | 169 | information for the key that was sent from terminal.\r |
170 | \r | |
95276127 | 171 | Returns:\r |
fb0b259e | 172 | \r |
95276127 | 173 | EFI_SUCCESS\r |
174 | The keystroke information is returned successfully.\r | |
fb0b259e | 175 | \r |
95276127 | 176 | EFI_NOT_READY\r |
177 | There is no keystroke data available.\r | |
fb0b259e | 178 | \r |
95276127 | 179 | EFI_DEVICE_ERROR\r |
180 | The dependent serial device encounters error.\r | |
fb0b259e | 181 | \r |
95276127 | 182 | --*/\r |
183 | {\r | |
184 | TERMINAL_DEV *TerminalDevice;\r | |
185 | EFI_STATUS Status;\r | |
66aa04e4 | 186 | EFI_KEY_DATA KeyData;\r |
95276127 | 187 | \r |
95276127 | 188 | //\r |
189 | // get TERMINAL_DEV from "This" parameter.\r | |
190 | //\r | |
191 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
192 | \r | |
66aa04e4 | 193 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r |
95276127 | 194 | if (EFI_ERROR (Status)) {\r |
66aa04e4 | 195 | return Status;\r |
196 | }\r | |
197 | \r | |
198 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
199 | \r | |
200 | return EFI_SUCCESS;\r | |
201 | \r | |
202 | }\r | |
203 | \r | |
204 | \r | |
205 | BOOLEAN\r | |
206 | IsKeyRegistered (\r | |
207 | IN EFI_KEY_DATA *RegsiteredData,\r | |
208 | IN EFI_KEY_DATA *InputData\r | |
209 | )\r | |
210 | /*++\r | |
211 | \r | |
212 | Routine Description:\r | |
213 | \r | |
214 | Arguments:\r | |
215 | \r | |
fb0b259e | 216 | RegsiteredData - A pointer to a buffer that is filled in with the keystroke\r |
66aa04e4 | 217 | state data for the key that was registered.\r |
fb0b259e | 218 | InputData - A pointer to a buffer that is filled in with the keystroke\r |
66aa04e4 | 219 | state data for the key that was pressed.\r |
220 | \r | |
221 | Returns:\r | |
222 | TRUE - Key be pressed matches a registered key.\r | |
fb0b259e | 223 | FLASE - Match failed.\r |
224 | \r | |
66aa04e4 | 225 | --*/\r |
226 | {\r | |
227 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
fb0b259e | 228 | \r |
66aa04e4 | 229 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r |
230 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r | |
fb0b259e | 231 | return FALSE;\r |
232 | }\r | |
233 | \r | |
66aa04e4 | 234 | return TRUE;\r |
235 | }\r | |
236 | \r | |
237 | \r | |
238 | VOID\r | |
239 | EFIAPI\r | |
240 | TerminalConInWaitForKeyEx (\r | |
241 | IN EFI_EVENT Event,\r | |
242 | IN VOID *Context\r | |
243 | )\r | |
244 | /*++\r | |
245 | Routine Description:\r | |
fb0b259e | 246 | \r |
66aa04e4 | 247 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r |
fb0b259e | 248 | Signal the event if there is key available\r |
249 | \r | |
66aa04e4 | 250 | Arguments:\r |
fb0b259e | 251 | \r |
66aa04e4 | 252 | Event - Indicates the event that invoke this function.\r |
fb0b259e | 253 | \r |
66aa04e4 | 254 | Context - Indicates the calling context.\r |
fb0b259e | 255 | \r |
66aa04e4 | 256 | Returns:\r |
fb0b259e | 257 | \r |
66aa04e4 | 258 | N/A\r |
fb0b259e | 259 | \r |
66aa04e4 | 260 | --*/\r |
261 | {\r | |
262 | TERMINAL_DEV *TerminalDevice;\r | |
fb0b259e | 263 | \r |
66aa04e4 | 264 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (Context);\r |
265 | \r | |
266 | TerminalConInWaitForKey (Event, &TerminalDevice->SimpleInput);\r | |
267 | \r | |
268 | }\r | |
269 | \r | |
270 | //\r | |
271 | // Simple Text Input Ex protocol functions\r | |
272 | //\r | |
273 | \r | |
274 | EFI_STATUS\r | |
275 | EFIAPI\r | |
276 | TerminalConInResetEx (\r | |
277 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
278 | IN BOOLEAN ExtendedVerification\r | |
279 | )\r | |
280 | /*++\r | |
281 | \r | |
282 | Routine Description:\r | |
283 | Reset the input device and optionaly run diagnostics\r | |
284 | \r | |
285 | Arguments:\r | |
286 | This - Protocol instance pointer.\r | |
287 | ExtendedVerification - Driver may perform diagnostics on reset.\r | |
288 | \r | |
289 | Returns:\r | |
290 | EFI_SUCCESS - The device was reset.\r | |
fb0b259e | 291 | EFI_DEVICE_ERROR - The device is not functioning properly and could\r |
66aa04e4 | 292 | not be reset.\r |
293 | \r | |
294 | --*/\r | |
295 | {\r | |
296 | EFI_STATUS Status;\r | |
297 | TERMINAL_DEV *TerminalDevice;\r | |
298 | \r | |
299 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
300 | \r | |
301 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
302 | if (EFI_ERROR (Status)) {\r | |
303 | return EFI_DEVICE_ERROR;\r | |
95276127 | 304 | }\r |
305 | \r | |
66aa04e4 | 306 | return EFI_SUCCESS;\r |
fb0b259e | 307 | \r |
66aa04e4 | 308 | }\r |
309 | \r | |
310 | EFI_STATUS\r | |
311 | EFIAPI\r | |
312 | TerminalConInReadKeyStrokeEx (\r | |
313 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
314 | OUT EFI_KEY_DATA *KeyData\r | |
315 | )\r | |
316 | /*++\r | |
317 | \r | |
318 | Routine Description:\r | |
fb0b259e | 319 | Reads the next keystroke from the input device. The WaitForKey Event can\r |
66aa04e4 | 320 | be used to test for existance of a keystroke via WaitForEvent () call.\r |
321 | \r | |
322 | Arguments:\r | |
323 | This - Protocol instance pointer.\r | |
fb0b259e | 324 | KeyData - A pointer to a buffer that is filled in with the keystroke\r |
66aa04e4 | 325 | state data for the key that was pressed.\r |
326 | \r | |
327 | Returns:\r | |
328 | EFI_SUCCESS - The keystroke information was returned.\r | |
329 | EFI_NOT_READY - There was no keystroke data availiable.\r | |
fb0b259e | 330 | EFI_DEVICE_ERROR - The keystroke information was not returned due to\r |
66aa04e4 | 331 | hardware errors.\r |
fb0b259e | 332 | EFI_INVALID_PARAMETER - KeyData is NULL.\r |
66aa04e4 | 333 | \r |
334 | --*/\r | |
335 | {\r | |
336 | TERMINAL_DEV *TerminalDevice;\r | |
337 | \r | |
338 | if (KeyData == NULL) {\r | |
339 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 340 | }\r |
66aa04e4 | 341 | \r |
342 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
343 | \r | |
344 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
345 | \r | |
346 | }\r | |
347 | \r | |
348 | EFI_STATUS\r | |
349 | EFIAPI\r | |
350 | TerminalConInSetState (\r | |
351 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
352 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
353 | )\r | |
354 | /*++\r | |
355 | \r | |
356 | Routine Description:\r | |
357 | Set certain state for the input device.\r | |
358 | \r | |
359 | Arguments:\r | |
360 | This - Protocol instance pointer.\r | |
fb0b259e | 361 | KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the\r |
66aa04e4 | 362 | state for the input device.\r |
fb0b259e | 363 | \r |
364 | Returns:\r | |
66aa04e4 | 365 | EFI_SUCCESS - The device state was set successfully.\r |
fb0b259e | 366 | EFI_DEVICE_ERROR - The device is not functioning correctly and could\r |
66aa04e4 | 367 | not have the setting adjusted.\r |
368 | EFI_UNSUPPORTED - The device does not have the ability to set its state.\r | |
fb0b259e | 369 | EFI_INVALID_PARAMETER - KeyToggleState is NULL.\r |
66aa04e4 | 370 | \r |
fb0b259e | 371 | --*/\r |
66aa04e4 | 372 | {\r |
373 | if (KeyToggleState == NULL) {\r | |
374 | return EFI_INVALID_PARAMETER;\r | |
375 | }\r | |
95276127 | 376 | \r |
377 | return EFI_SUCCESS;\r | |
66aa04e4 | 378 | }\r |
95276127 | 379 | \r |
66aa04e4 | 380 | EFI_STATUS\r |
381 | EFIAPI\r | |
382 | TerminalConInRegisterKeyNotify (\r | |
383 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
384 | IN EFI_KEY_DATA *KeyData,\r | |
385 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
386 | OUT EFI_HANDLE *NotifyHandle\r | |
387 | )\r | |
388 | /*++\r | |
389 | \r | |
390 | Routine Description:\r | |
391 | Register a notification function for a particular keystroke for the input device.\r | |
392 | \r | |
393 | Arguments:\r | |
394 | This - Protocol instance pointer.\r | |
fb0b259e | 395 | KeyData - A pointer to a buffer that is filled in with the keystroke\r |
66aa04e4 | 396 | information data for the key that was pressed.\r |
fb0b259e | 397 | KeyNotificationFunction - Points to the function to be called when the key\r |
398 | sequence is typed specified by KeyData.\r | |
399 | NotifyHandle - Points to the unique handle assigned to the registered notification.\r | |
66aa04e4 | 400 | \r |
401 | Returns:\r | |
402 | EFI_SUCCESS - The notification function was registered successfully.\r | |
403 | EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures.\r | |
fb0b259e | 404 | EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL.\r |
405 | \r | |
406 | --*/\r | |
66aa04e4 | 407 | {\r |
408 | EFI_STATUS Status;\r | |
409 | TERMINAL_DEV *TerminalDevice;\r | |
410 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
411 | LIST_ENTRY *Link;\r | |
fb0b259e | 412 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
66aa04e4 | 413 | \r |
414 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
415 | return EFI_INVALID_PARAMETER;\r | |
416 | }\r | |
417 | \r | |
418 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
419 | \r | |
420 | //\r | |
421 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
422 | //\r | |
423 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
424 | CurrentNotify = CR (\r | |
fb0b259e | 425 | Link,\r |
426 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
427 | NotifyEntry,\r | |
66aa04e4 | 428 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
429 | );\r | |
fb0b259e | 430 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
66aa04e4 | 431 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
fb0b259e | 432 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
66aa04e4 | 433 | return EFI_SUCCESS;\r |
434 | }\r | |
435 | }\r | |
436 | }\r | |
437 | \r | |
438 | //\r | |
439 | // Allocate resource to save the notification function\r | |
fb0b259e | 440 | //\r |
66aa04e4 | 441 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
442 | if (NewNotify == NULL) {\r | |
443 | return EFI_OUT_OF_RESOURCES;\r | |
fb0b259e | 444 | }\r |
66aa04e4 | 445 | \r |
fb0b259e | 446 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
66aa04e4 | 447 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
448 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r | |
449 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r | |
450 | //\r | |
451 | // Use gSimpleTextInExNotifyGuid to get a valid EFI_HANDLE\r | |
fb0b259e | 452 | //\r |
66aa04e4 | 453 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
454 | &NewNotify->NotifyHandle,\r | |
455 | &gSimpleTextInExNotifyGuid,\r | |
456 | NULL,\r | |
457 | NULL\r | |
458 | );\r | |
459 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 460 | *NotifyHandle = NewNotify->NotifyHandle;\r |
66aa04e4 | 461 | \r |
462 | return EFI_SUCCESS;\r | |
95276127 | 463 | }\r |
464 | \r | |
66aa04e4 | 465 | EFI_STATUS\r |
466 | EFIAPI\r | |
467 | TerminalConInUnregisterKeyNotify (\r | |
468 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
469 | IN EFI_HANDLE NotificationHandle\r | |
470 | )\r | |
471 | /*++\r | |
472 | \r | |
473 | Routine Description:\r | |
474 | Remove a registered notification function from a particular keystroke.\r | |
475 | \r | |
476 | Arguments:\r | |
fb0b259e | 477 | This - Protocol instance pointer.\r |
66aa04e4 | 478 | NotificationHandle - The handle of the notification function being unregistered.\r |
479 | \r | |
480 | Returns:\r | |
481 | EFI_SUCCESS - The notification function was unregistered successfully.\r | |
482 | EFI_INVALID_PARAMETER - The NotificationHandle is invalid.\r | |
fb0b259e | 483 | EFI_NOT_FOUND - Can not find the matching entry in database.\r |
484 | \r | |
485 | --*/\r | |
66aa04e4 | 486 | {\r |
487 | EFI_STATUS Status;\r | |
488 | TERMINAL_DEV *TerminalDevice;\r | |
489 | LIST_ENTRY *Link;\r | |
490 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
491 | \r | |
492 | if (NotificationHandle == NULL) {\r | |
493 | return EFI_INVALID_PARAMETER;\r | |
fb0b259e | 494 | }\r |
495 | \r | |
66aa04e4 | 496 | Status = gBS->OpenProtocol (\r |
497 | NotificationHandle,\r | |
498 | &gSimpleTextInExNotifyGuid,\r | |
499 | NULL,\r | |
500 | NULL,\r | |
501 | NULL,\r | |
502 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
503 | );\r | |
504 | if (EFI_ERROR (Status)) {\r | |
505 | return EFI_INVALID_PARAMETER;\r | |
506 | }\r | |
507 | \r | |
508 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
509 | \r | |
510 | for (Link = TerminalDevice->NotifyList.ForwardLink; Link != &TerminalDevice->NotifyList; Link = Link->ForwardLink) {\r | |
511 | CurrentNotify = CR (\r | |
fb0b259e | 512 | Link,\r |
513 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
514 | NotifyEntry,\r | |
66aa04e4 | 515 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
516 | );\r | |
517 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r | |
518 | //\r | |
519 | // Remove the notification function from NotifyList and free resources\r | |
520 | //\r | |
fb0b259e | 521 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
66aa04e4 | 522 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
523 | CurrentNotify->NotifyHandle,\r | |
524 | &gSimpleTextInExNotifyGuid,\r | |
525 | NULL,\r | |
526 | NULL\r | |
527 | );\r | |
528 | ASSERT_EFI_ERROR (Status);\r | |
fb0b259e | 529 | gBS->FreePool (CurrentNotify);\r |
66aa04e4 | 530 | return EFI_SUCCESS;\r |
531 | }\r | |
532 | }\r | |
fb0b259e | 533 | \r |
534 | return EFI_NOT_FOUND;\r | |
66aa04e4 | 535 | }\r |
536 | \r | |
537 | \r | |
95276127 | 538 | VOID\r |
539 | TranslateRawDataToEfiKey (\r | |
540 | IN TERMINAL_DEV *TerminalDevice\r | |
541 | )\r | |
542 | /*++\r | |
543 | Step1: Turn raw data into Unicode (according to different encode).\r | |
fb0b259e | 544 | Step2: Translate Unicode into key information.\r |
95276127 | 545 | (according to different terminal standard).\r |
546 | --*/\r | |
547 | {\r | |
548 | switch (TerminalDevice->TerminalType) {\r | |
549 | \r | |
550 | case PcAnsiType:\r | |
551 | case VT100Type:\r | |
552 | case VT100PlusType:\r | |
553 | AnsiRawDataToUnicode (TerminalDevice);\r | |
554 | UnicodeToEfiKey (TerminalDevice);\r | |
555 | break;\r | |
556 | \r | |
557 | case VTUTF8Type:\r | |
558 | //\r | |
559 | // Process all the raw data in the RawFIFO,\r | |
560 | // put the processed key into UnicodeFIFO.\r | |
561 | //\r | |
562 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
563 | \r | |
564 | //\r | |
565 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
566 | // then put into EfiKeyFIFO.\r | |
567 | //\r | |
568 | UnicodeToEfiKey (TerminalDevice);\r | |
569 | \r | |
570 | break;\r | |
571 | }\r | |
572 | }\r | |
573 | \r | |
574 | VOID\r | |
575 | EFIAPI\r | |
576 | TerminalConInWaitForKey (\r | |
577 | IN EFI_EVENT Event,\r | |
578 | IN VOID *Context\r | |
579 | )\r | |
580 | /*++\r | |
581 | Routine Description:\r | |
fb0b259e | 582 | \r |
95276127 | 583 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r |
fb0b259e | 584 | Signal the event if there is key available\r |
585 | \r | |
95276127 | 586 | Arguments:\r |
fb0b259e | 587 | \r |
95276127 | 588 | Event - Indicates the event that invoke this function.\r |
fb0b259e | 589 | \r |
95276127 | 590 | Context - Indicates the calling context.\r |
fb0b259e | 591 | \r |
95276127 | 592 | Returns:\r |
fb0b259e | 593 | \r |
95276127 | 594 | N/A\r |
fb0b259e | 595 | \r |
95276127 | 596 | --*/\r |
597 | {\r | |
598 | //\r | |
599 | // Someone is waiting on the keystroke event, if there's\r | |
600 | // a key pending, signal the event\r | |
601 | //\r | |
602 | // Context is the pointer to EFI_SIMPLE_TEXT_INPUT_PROTOCOL\r | |
603 | //\r | |
604 | if (!EFI_ERROR (TerminalConInCheckForKey (Context))) {\r | |
605 | \r | |
606 | gBS->SignalEvent (Event);\r | |
607 | }\r | |
608 | }\r | |
609 | \r | |
610 | EFI_STATUS\r | |
611 | TerminalConInCheckForKey (\r | |
612 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
613 | )\r | |
614 | /*++\r | |
615 | Routine Description:\r | |
fb0b259e | 616 | \r |
95276127 | 617 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r |
fb0b259e | 618 | \r |
95276127 | 619 | Arguments:\r |
fb0b259e | 620 | \r |
95276127 | 621 | This - Indicates the calling context.\r |
fb0b259e | 622 | \r |
95276127 | 623 | Returns:\r |
fb0b259e | 624 | \r |
95276127 | 625 | EFI_SUCCESS\r |
fb0b259e | 626 | There is key pending.\r |
627 | \r | |
95276127 | 628 | EFI_NOT_READY\r |
629 | There is no key pending.\r | |
fb0b259e | 630 | \r |
95276127 | 631 | EFI_DEVICE_ERROR\r |
fb0b259e | 632 | \r |
95276127 | 633 | --*/\r |
634 | {\r | |
635 | EFI_STATUS Status;\r | |
636 | TERMINAL_DEV *TerminalDevice;\r | |
637 | UINT32 Control;\r | |
638 | UINT8 Input;\r | |
639 | EFI_SERIAL_IO_MODE *Mode;\r | |
640 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
641 | UINTN SerialInTimeOut;\r | |
642 | \r | |
643 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
644 | \r | |
645 | SerialIo = TerminalDevice->SerialIo;\r | |
646 | if (SerialIo == NULL) {\r | |
647 | return EFI_DEVICE_ERROR;\r | |
648 | }\r | |
649 | //\r | |
650 | // if current timeout value for serial device is not identical with\r | |
651 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
652 | // timeout value again and set serial attribute according to this value.\r | |
653 | //\r | |
654 | Mode = SerialIo->Mode;\r | |
655 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
656 | \r | |
657 | SerialInTimeOut = 0;\r | |
658 | if (Mode->BaudRate != 0) {\r | |
659 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r | |
660 | }\r | |
661 | \r | |
662 | Status = SerialIo->SetAttributes (\r | |
663 | SerialIo,\r | |
664 | Mode->BaudRate,\r | |
665 | Mode->ReceiveFifoDepth,\r | |
666 | (UINT32) SerialInTimeOut,\r | |
667 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
668 | (UINT8) Mode->DataBits,\r | |
669 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
670 | );\r | |
671 | \r | |
672 | if (EFI_ERROR (Status)) {\r | |
673 | TerminalDevice->SerialInTimeOut = 0;\r | |
674 | } else {\r | |
675 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
676 | }\r | |
677 | }\r | |
678 | //\r | |
679 | // check whether serial buffer is empty\r | |
680 | //\r | |
681 | Status = SerialIo->GetControl (SerialIo, &Control);\r | |
682 | \r | |
683 | if (Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) {\r | |
684 | //\r | |
685 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
686 | // according to different terminal type supported.\r | |
687 | //\r | |
688 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
689 | \r | |
690 | //\r | |
691 | // if there is pre-fetched Efi Key in EfiKeyFIFO buffer,\r | |
692 | // return directly.\r | |
693 | //\r | |
694 | if (!IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
695 | return EFI_SUCCESS;\r | |
696 | } else {\r | |
697 | return EFI_NOT_READY;\r | |
698 | }\r | |
699 | }\r | |
700 | //\r | |
701 | // Fetch all the keys in the serial buffer,\r | |
702 | // and insert the byte stream into RawFIFO.\r | |
703 | //\r | |
704 | do {\r | |
705 | \r | |
706 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
707 | \r | |
708 | if (EFI_ERROR (Status)) {\r | |
709 | if (Status == EFI_DEVICE_ERROR) {\r | |
710 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
711 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
97a079ed | 712 | PcdGet32 (PcdStatusCodeValueRemoteConsoleInputError),\r |
95276127 | 713 | TerminalDevice->DevicePath\r |
714 | );\r | |
715 | }\r | |
716 | break;\r | |
717 | }\r | |
718 | \r | |
719 | RawFiFoInsertOneKey (TerminalDevice, Input);\r | |
720 | } while (TRUE);\r | |
721 | \r | |
722 | //\r | |
723 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
724 | // according to different terminal type supported.\r | |
725 | //\r | |
726 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
727 | \r | |
728 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
729 | return EFI_NOT_READY;\r | |
730 | }\r | |
731 | \r | |
732 | return EFI_SUCCESS;\r | |
733 | }\r | |
734 | \r | |
735 | EFI_STATUS\r | |
736 | GetOneKeyFromSerial (\r | |
737 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
738 | UINT8 *Input\r | |
739 | )\r | |
740 | /*++\r | |
741 | Get one key out of serial buffer.\r | |
742 | If serial buffer is empty, return EFI_NOT_READY;\r | |
743 | if reading serial buffer encounter error, returns EFI_DEVICE_ERROR;\r | |
fb0b259e | 744 | if reading serial buffer successfully, put the fetched key to\r |
95276127 | 745 | the parameter "Input", and return EFI_SUCCESS.\r |
746 | --*/\r | |
747 | {\r | |
748 | EFI_STATUS Status;\r | |
749 | UINTN Size;\r | |
750 | \r | |
751 | Size = 1;\r | |
752 | *Input = 0;\r | |
753 | \r | |
754 | Status = SerialIo->Read (SerialIo, &Size, Input);\r | |
755 | \r | |
756 | if (EFI_ERROR (Status)) {\r | |
757 | \r | |
758 | if (Status == EFI_TIMEOUT) {\r | |
759 | return EFI_NOT_READY;\r | |
760 | }\r | |
761 | \r | |
762 | return EFI_DEVICE_ERROR;\r | |
763 | \r | |
764 | }\r | |
765 | \r | |
766 | if (*Input == 0) {\r | |
767 | return EFI_NOT_READY;\r | |
768 | }\r | |
769 | \r | |
770 | return EFI_SUCCESS;\r | |
771 | }\r | |
772 | \r | |
773 | BOOLEAN\r | |
774 | RawFiFoInsertOneKey (\r | |
775 | TERMINAL_DEV *TerminalDevice,\r | |
776 | UINT8 Input\r | |
777 | )\r | |
778 | /*++\r | |
779 | Insert one byte raw data into the Raw Data FIFO.\r | |
780 | If FIFO is FULL before data insertion,\r | |
781 | return FALSE, and the key is lost.\r | |
782 | --*/\r | |
783 | {\r | |
784 | UINT8 Tail;\r | |
785 | \r | |
786 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
787 | \r | |
788 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
789 | //\r | |
790 | // Raw FIFO is full\r | |
791 | //\r | |
792 | return FALSE;\r | |
793 | }\r | |
794 | \r | |
795 | TerminalDevice->RawFiFo.Data[Tail] = Input;\r | |
796 | \r | |
797 | TerminalDevice->RawFiFo.Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
798 | \r | |
799 | return TRUE;\r | |
800 | }\r | |
801 | \r | |
802 | BOOLEAN\r | |
803 | RawFiFoRemoveOneKey (\r | |
804 | TERMINAL_DEV *TerminalDevice,\r | |
805 | UINT8 *Output\r | |
806 | )\r | |
807 | /*++\r | |
808 | Remove one byte raw data out of the Raw Data FIFO.\r | |
809 | If FIFO buffer is empty before remove operation,\r | |
810 | return FALSE.\r | |
811 | --*/\r | |
812 | {\r | |
813 | UINT8 Head;\r | |
814 | \r | |
815 | Head = TerminalDevice->RawFiFo.Head;\r | |
816 | \r | |
817 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
818 | //\r | |
819 | // FIFO is empty\r | |
820 | //\r | |
821 | *Output = 0;\r | |
822 | return FALSE;\r | |
823 | }\r | |
824 | \r | |
825 | *Output = TerminalDevice->RawFiFo.Data[Head];\r | |
826 | \r | |
827 | TerminalDevice->RawFiFo.Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
828 | \r | |
829 | return TRUE;\r | |
830 | }\r | |
831 | \r | |
832 | BOOLEAN\r | |
833 | IsRawFiFoEmpty (\r | |
834 | TERMINAL_DEV *TerminalDevice\r | |
835 | )\r | |
836 | /*++\r | |
837 | Clarify whether FIFO buffer is empty.\r | |
838 | --*/\r | |
839 | {\r | |
840 | if (TerminalDevice->RawFiFo.Head == TerminalDevice->RawFiFo.Tail) {\r | |
841 | return TRUE;\r | |
842 | } else {\r | |
843 | return FALSE;\r | |
844 | }\r | |
845 | }\r | |
846 | \r | |
847 | BOOLEAN\r | |
848 | IsRawFiFoFull (\r | |
849 | TERMINAL_DEV *TerminalDevice\r | |
850 | )\r | |
851 | /*++\r | |
852 | Clarify whether FIFO buffer is full.\r | |
853 | --*/\r | |
854 | {\r | |
855 | UINT8 Tail;\r | |
856 | UINT8 Head;\r | |
857 | \r | |
858 | Tail = TerminalDevice->RawFiFo.Tail;\r | |
859 | Head = TerminalDevice->RawFiFo.Head;\r | |
860 | \r | |
861 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
862 | \r | |
863 | return TRUE;\r | |
864 | }\r | |
865 | \r | |
866 | return FALSE;\r | |
867 | }\r | |
868 | \r | |
869 | BOOLEAN\r | |
870 | EfiKeyFiFoInsertOneKey (\r | |
871 | TERMINAL_DEV *TerminalDevice,\r | |
872 | EFI_INPUT_KEY Key\r | |
873 | )\r | |
874 | /*++\r | |
875 | Insert one pre-fetched key into the FIFO buffer.\r | |
876 | If FIFO buffer is FULL before key insertion,\r | |
877 | return FALSE, and the key is lost.\r | |
878 | --*/\r | |
879 | {\r | |
880 | UINT8 Tail;\r | |
881 | \r | |
882 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
883 | \r | |
884 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
885 | //\r | |
886 | // Efi Key FIFO is full\r | |
887 | //\r | |
888 | return FALSE;\r | |
889 | }\r | |
890 | \r | |
891 | TerminalDevice->EfiKeyFiFo.Data[Tail] = Key;\r | |
892 | \r | |
893 | TerminalDevice->EfiKeyFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
894 | \r | |
895 | return TRUE;\r | |
896 | }\r | |
897 | \r | |
898 | BOOLEAN\r | |
899 | EfiKeyFiFoRemoveOneKey (\r | |
900 | TERMINAL_DEV *TerminalDevice,\r | |
901 | EFI_INPUT_KEY *Output\r | |
902 | )\r | |
903 | /*++\r | |
904 | Remove one pre-fetched key out of the FIFO buffer.\r | |
905 | If FIFO buffer is empty before remove operation,\r | |
906 | return FALSE.\r | |
907 | --*/\r | |
908 | {\r | |
909 | UINT8 Head;\r | |
910 | \r | |
911 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
912 | \r | |
913 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
914 | //\r | |
915 | // FIFO is empty\r | |
916 | //\r | |
917 | Output->ScanCode = SCAN_NULL;\r | |
918 | Output->UnicodeChar = 0;\r | |
919 | return FALSE;\r | |
920 | }\r | |
921 | \r | |
922 | *Output = TerminalDevice->EfiKeyFiFo.Data[Head];\r | |
923 | \r | |
924 | TerminalDevice->EfiKeyFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
925 | \r | |
926 | return TRUE;\r | |
927 | }\r | |
928 | \r | |
929 | BOOLEAN\r | |
930 | IsEfiKeyFiFoEmpty (\r | |
931 | TERMINAL_DEV *TerminalDevice\r | |
932 | )\r | |
933 | /*++\r | |
934 | Clarify whether FIFO buffer is empty.\r | |
935 | --*/\r | |
936 | {\r | |
937 | if (TerminalDevice->EfiKeyFiFo.Head == TerminalDevice->EfiKeyFiFo.Tail) {\r | |
938 | return TRUE;\r | |
939 | } else {\r | |
940 | return FALSE;\r | |
941 | }\r | |
942 | }\r | |
943 | \r | |
944 | BOOLEAN\r | |
945 | IsEfiKeyFiFoFull (\r | |
946 | TERMINAL_DEV *TerminalDevice\r | |
947 | )\r | |
948 | /*++\r | |
949 | Clarify whether FIFO buffer is full.\r | |
950 | --*/\r | |
951 | {\r | |
952 | UINT8 Tail;\r | |
953 | UINT8 Head;\r | |
954 | \r | |
955 | Tail = TerminalDevice->EfiKeyFiFo.Tail;\r | |
956 | Head = TerminalDevice->EfiKeyFiFo.Head;\r | |
957 | \r | |
958 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
959 | \r | |
960 | return TRUE;\r | |
961 | }\r | |
962 | \r | |
963 | return FALSE;\r | |
964 | }\r | |
965 | \r | |
966 | BOOLEAN\r | |
967 | UnicodeFiFoInsertOneKey (\r | |
968 | TERMINAL_DEV *TerminalDevice,\r | |
969 | UINT16 Input\r | |
970 | )\r | |
971 | /*++\r | |
972 | Insert one pre-fetched key into the FIFO buffer.\r | |
973 | If FIFO buffer is FULL before key insertion,\r | |
974 | return FALSE, and the key is lost.\r | |
975 | --*/\r | |
976 | {\r | |
977 | UINT8 Tail;\r | |
978 | \r | |
979 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
980 | \r | |
981 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
982 | //\r | |
983 | // Unicode FIFO is full\r | |
984 | //\r | |
985 | return FALSE;\r | |
986 | }\r | |
987 | \r | |
988 | TerminalDevice->UnicodeFiFo.Data[Tail] = Input;\r | |
989 | \r | |
990 | TerminalDevice->UnicodeFiFo.Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
991 | \r | |
992 | return TRUE;\r | |
993 | }\r | |
994 | \r | |
995 | BOOLEAN\r | |
996 | UnicodeFiFoRemoveOneKey (\r | |
997 | TERMINAL_DEV *TerminalDevice,\r | |
998 | UINT16 *Output\r | |
999 | )\r | |
1000 | /*++\r | |
1001 | Remove one pre-fetched key out of the FIFO buffer.\r | |
1002 | If FIFO buffer is empty before remove operation,\r | |
1003 | return FALSE.\r | |
1004 | --*/\r | |
1005 | {\r | |
1006 | UINT8 Head;\r | |
1007 | \r | |
1008 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1009 | \r | |
1010 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r | |
1011 | //\r | |
1012 | // FIFO is empty\r | |
1013 | //\r | |
1014 | Output = NULL;\r | |
1015 | return FALSE;\r | |
1016 | }\r | |
1017 | \r | |
1018 | *Output = TerminalDevice->UnicodeFiFo.Data[Head];\r | |
1019 | \r | |
1020 | TerminalDevice->UnicodeFiFo.Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
1021 | \r | |
1022 | return TRUE;\r | |
1023 | }\r | |
1024 | \r | |
1025 | BOOLEAN\r | |
1026 | IsUnicodeFiFoEmpty (\r | |
1027 | TERMINAL_DEV *TerminalDevice\r | |
1028 | )\r | |
1029 | /*++\r | |
1030 | Clarify whether FIFO buffer is empty.\r | |
1031 | --*/\r | |
1032 | {\r | |
1033 | if (TerminalDevice->UnicodeFiFo.Head == TerminalDevice->UnicodeFiFo.Tail) {\r | |
1034 | return TRUE;\r | |
1035 | } else {\r | |
1036 | return FALSE;\r | |
1037 | }\r | |
1038 | }\r | |
1039 | \r | |
1040 | BOOLEAN\r | |
1041 | IsUnicodeFiFoFull (\r | |
1042 | TERMINAL_DEV *TerminalDevice\r | |
1043 | )\r | |
1044 | /*++\r | |
1045 | Clarify whether FIFO buffer is full.\r | |
1046 | --*/\r | |
1047 | {\r | |
1048 | UINT8 Tail;\r | |
1049 | UINT8 Head;\r | |
1050 | \r | |
1051 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1052 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1053 | \r | |
1054 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
1055 | \r | |
1056 | return TRUE;\r | |
1057 | }\r | |
1058 | \r | |
1059 | return FALSE;\r | |
1060 | }\r | |
1061 | \r | |
1062 | UINT8\r | |
1063 | UnicodeFiFoGetKeyCount (\r | |
1064 | TERMINAL_DEV *TerminalDevice\r | |
1065 | )\r | |
1066 | {\r | |
1067 | UINT8 Tail;\r | |
1068 | UINT8 Head;\r | |
1069 | \r | |
1070 | Tail = TerminalDevice->UnicodeFiFo.Tail;\r | |
1071 | Head = TerminalDevice->UnicodeFiFo.Head;\r | |
1072 | \r | |
1073 | if (Tail >= Head) {\r | |
1074 | return (UINT8) (Tail - Head);\r | |
1075 | } else {\r | |
1076 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
1077 | }\r | |
1078 | }\r | |
1079 | \r | |
1080 | STATIC\r | |
1081 | VOID\r | |
1082 | UnicodeToEfiKeyFlushState (\r | |
1083 | IN TERMINAL_DEV *TerminalDevice\r | |
1084 | )\r | |
1085 | {\r | |
1086 | EFI_INPUT_KEY Key;\r | |
1087 | \r | |
1088 | if (TerminalDevice->InputState & INPUT_STATE_ESC) {\r | |
1089 | Key.ScanCode = SCAN_ESC;\r | |
1090 | Key.UnicodeChar = 0;\r | |
1091 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1092 | }\r | |
1093 | \r | |
1094 | if (TerminalDevice->InputState & INPUT_STATE_CSI) {\r | |
1095 | Key.ScanCode = SCAN_NULL;\r | |
1096 | Key.UnicodeChar = CSI;\r | |
1097 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1098 | }\r | |
1099 | \r | |
1100 | if (TerminalDevice->InputState & INPUT_STATE_LEFTOPENBRACKET) {\r | |
1101 | Key.ScanCode = SCAN_NULL;\r | |
1102 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
1103 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1104 | }\r | |
1105 | \r | |
1106 | if (TerminalDevice->InputState & INPUT_STATE_O) {\r | |
1107 | Key.ScanCode = SCAN_NULL;\r | |
1108 | Key.UnicodeChar = 'O';\r | |
1109 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1110 | }\r | |
1111 | \r | |
1112 | if (TerminalDevice->InputState & INPUT_STATE_2) {\r | |
1113 | Key.ScanCode = SCAN_NULL;\r | |
1114 | Key.UnicodeChar = '2';\r | |
1115 | EfiKeyFiFoInsertOneKey (TerminalDevice, Key);\r | |
1116 | }\r | |
1117 | \r | |
1118 | gBS->SetTimer (\r | |
1119 | TerminalDevice->TwoSecondTimeOut,\r | |
1120 | TimerCancel,\r | |
1121 | 0\r | |
1122 | );\r | |
1123 | \r | |
1124 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1125 | }\r | |
1126 | \r | |
1127 | VOID\r | |
1128 | UnicodeToEfiKey (\r | |
1129 | IN TERMINAL_DEV *TerminalDevice\r | |
1130 | )\r | |
1131 | /*++\r | |
1132 | Routine Description:\r | |
fb0b259e | 1133 | \r |
95276127 | 1134 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r |
1135 | can be read through the Simple Input Protocol. The table below shows the keyboard\r | |
fb0b259e | 1136 | input mappings that this function supports. If the ESC sequence listed in one of the\r |
95276127 | 1137 | columns is presented, then it is translated into the coorespoding EFI Scan Code. If a\r |
1138 | matching sequence is not found, then the raw key strokes are converted into EFI Keys.\r | |
fb0b259e | 1139 | \r |
1140 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r | |
1141 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
95276127 | 1142 | converted into EFI Keys.\r |
fb0b259e | 1143 | \r |
1144 | There is one special input sequence that will force the system to reset.\r | |
95276127 | 1145 | This is ESC R ESC r ESC R.\r |
fb0b259e | 1146 | \r |
95276127 | 1147 | Arguments:\r |
1148 | \r | |
1149 | TerminaDevice : The terminal device to use to translate raw input into EFI Keys\r | |
fb0b259e | 1150 | \r |
95276127 | 1151 | Returns:\r |
1152 | \r | |
1153 | None\r | |
1154 | \r | |
1155 | Symbols used in table below\r | |
1156 | ===========================\r | |
fb0b259e | 1157 | ESC = 0x1B\r |
1158 | CSI = 0x9B\r | |
1159 | DEL = 0x7f\r | |
95276127 | 1160 | ^ = CTRL\r |
1161 | \r | |
1162 | +=========+======+===========+==========+==========+\r | |
8a7d75b0 | 1163 | | | EFI | UEFI 2.0 | | |\r |
95276127 | 1164 | | | Scan | | VT100+ | |\r |
1165 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
1166 | +=========+======+===========+==========+==========+\r | |
1167 | | NULL | 0x00 | | | |\r | |
1168 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
1169 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
fb0b259e | 1170 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r |
95276127 | 1171 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r |
1172 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
1173 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
1174 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
1175 | | | | ESC [ L | | ESC [ L |\r | |
1176 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
1177 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
1178 | | | | | | ESC [ ? |\r | |
1179 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
1180 | | | | | | ESC [ / |\r | |
1181 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
1182 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
1183 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
1184 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
1185 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
1186 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
1187 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
1188 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
1189 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
1190 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
1191 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
66aa04e4 | 1192 | | F11 | 0x15 | | ESC ! | |\r |
1193 | | F12 | 0x16 | | ESC @ | |\r | |
1194 | +=========+======+===========+==========+==========+\r | |
95276127 | 1195 | \r |
1196 | Special Mappings\r | |
1197 | ================\r | |
1198 | ESC R ESC r ESC R = Reset System\r | |
1199 | \r | |
1200 | --*/\r | |
1201 | {\r | |
1202 | EFI_STATUS Status;\r | |
1203 | EFI_STATUS TimerStatus;\r | |
1204 | UINT16 UnicodeChar;\r | |
1205 | EFI_INPUT_KEY Key;\r | |
1206 | BOOLEAN SetDefaultResetState;\r | |
fb0b259e | 1207 | \r |
95276127 | 1208 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
1209 | \r | |
1210 | if (!EFI_ERROR (TimerStatus)) {\r | |
1211 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1212 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1213 | }\r | |
1214 | \r | |
1215 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r | |
fb0b259e | 1216 | \r |
95276127 | 1217 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1218 | //\r | |
1219 | // Check to see if the 2 second timer has expired\r | |
1220 | //\r | |
1221 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
1222 | if (!EFI_ERROR (TimerStatus)) {\r | |
1223 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1224 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1225 | }\r | |
1226 | }\r | |
1227 | \r | |
1228 | //\r | |
1229 | // Fetch one Unicode character from the Unicode FIFO\r | |
1230 | //\r | |
1231 | UnicodeFiFoRemoveOneKey (TerminalDevice,&UnicodeChar);\r | |
1232 | \r | |
1233 | SetDefaultResetState = TRUE;\r | |
1234 | \r | |
1235 | switch (TerminalDevice->InputState) {\r | |
1236 | case INPUT_STATE_DEFAULT:\r | |
1237 | \r | |
1238 | break;\r | |
1239 | \r | |
1240 | case INPUT_STATE_ESC:\r | |
1241 | \r | |
1242 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
1243 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
1244 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1245 | continue;\r | |
1246 | }\r | |
1247 | \r | |
1248 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100Type) {\r | |
1249 | TerminalDevice->InputState |= INPUT_STATE_O;\r | |
1250 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1251 | continue;\r | |
1252 | }\r | |
1253 | \r | |
1254 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1255 | \r |
1256 | if (TerminalDevice->TerminalType == VT100PlusType ||\r | |
95276127 | 1257 | TerminalDevice->TerminalType == VTUTF8Type) {\r |
1258 | switch (UnicodeChar) {\r | |
fb0b259e | 1259 | case '1':\r |
1260 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1261 | break;\r |
fb0b259e | 1262 | case '2':\r |
1263 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1264 | break;\r |
fb0b259e | 1265 | case '3':\r |
1266 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1267 | break;\r |
fb0b259e | 1268 | case '4':\r |
1269 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1270 | break;\r |
fb0b259e | 1271 | case '5':\r |
1272 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1273 | break;\r |
fb0b259e | 1274 | case '6':\r |
1275 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1276 | break;\r |
fb0b259e | 1277 | case '7':\r |
1278 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1279 | break;\r |
fb0b259e | 1280 | case '8':\r |
1281 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1282 | break;\r |
fb0b259e | 1283 | case '9':\r |
1284 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1285 | break;\r |
fb0b259e | 1286 | case '0':\r |
1287 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1288 | break;\r |
66aa04e4 | 1289 | case '!':\r |
1290 | Key.ScanCode = SCAN_F11;\r | |
1291 | break;\r | |
1292 | case '@':\r | |
1293 | Key.ScanCode = SCAN_F12;\r | |
95276127 | 1294 | break;\r |
fb0b259e | 1295 | case 'h':\r |
1296 | Key.ScanCode = SCAN_HOME;\r | |
95276127 | 1297 | break;\r |
fb0b259e | 1298 | case 'k':\r |
1299 | Key.ScanCode = SCAN_END;\r | |
95276127 | 1300 | break;\r |
fb0b259e | 1301 | case '+':\r |
1302 | Key.ScanCode = SCAN_INSERT;\r | |
95276127 | 1303 | break;\r |
fb0b259e | 1304 | case '-':\r |
1305 | Key.ScanCode = SCAN_DELETE;\r | |
95276127 | 1306 | break;\r |
fb0b259e | 1307 | case '/':\r |
1308 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1309 | break;\r | |
1310 | case '?':\r | |
1311 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1312 | break;\r | |
1313 | default :\r | |
95276127 | 1314 | break;\r |
1315 | }\r | |
1316 | }\r | |
fb0b259e | 1317 | \r |
95276127 | 1318 | switch (UnicodeChar) {\r |
fb0b259e | 1319 | case 'R':\r |
95276127 | 1320 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
1321 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
1322 | SetDefaultResetState = FALSE;\r | |
1323 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_r) {\r | |
1324 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
1325 | }\r | |
1326 | Key.ScanCode = SCAN_NULL;\r | |
1327 | break;\r | |
fb0b259e | 1328 | case 'r':\r |
95276127 | 1329 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
1330 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_r;\r | |
1331 | SetDefaultResetState = FALSE;\r | |
1332 | }\r | |
1333 | Key.ScanCode = SCAN_NULL;\r | |
1334 | break;\r | |
fb0b259e | 1335 | default :\r |
95276127 | 1336 | break;\r |
1337 | }\r | |
1338 | \r | |
1339 | if (SetDefaultResetState) {\r | |
1340 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1341 | }\r | |
1342 | \r | |
1343 | if (Key.ScanCode != SCAN_NULL) {\r | |
1344 | Key.UnicodeChar = 0;\r | |
1345 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1346 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1347 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1348 | continue;\r | |
1349 | }\r | |
1350 | \r | |
1351 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1352 | \r | |
1353 | break;\r | |
1354 | \r | |
1355 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
1356 | \r | |
1357 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1358 | \r | |
1359 | Key.ScanCode = SCAN_NULL;\r | |
fb0b259e | 1360 | \r |
95276127 | 1361 | if (TerminalDevice->TerminalType == VT100Type) {\r |
1362 | switch (UnicodeChar) {\r | |
fb0b259e | 1363 | case 'P':\r |
1364 | Key.ScanCode = SCAN_F1;\r | |
95276127 | 1365 | break;\r |
fb0b259e | 1366 | case 'Q':\r |
1367 | Key.ScanCode = SCAN_F2;\r | |
95276127 | 1368 | break;\r |
fb0b259e | 1369 | case 'w':\r |
1370 | Key.ScanCode = SCAN_F3;\r | |
95276127 | 1371 | break;\r |
fb0b259e | 1372 | case 'x':\r |
1373 | Key.ScanCode = SCAN_F4;\r | |
95276127 | 1374 | break;\r |
fb0b259e | 1375 | case 't':\r |
1376 | Key.ScanCode = SCAN_F5;\r | |
95276127 | 1377 | break;\r |
fb0b259e | 1378 | case 'u':\r |
1379 | Key.ScanCode = SCAN_F6;\r | |
95276127 | 1380 | break;\r |
fb0b259e | 1381 | case 'q':\r |
1382 | Key.ScanCode = SCAN_F7;\r | |
95276127 | 1383 | break;\r |
fb0b259e | 1384 | case 'r':\r |
1385 | Key.ScanCode = SCAN_F8;\r | |
95276127 | 1386 | break;\r |
fb0b259e | 1387 | case 'p':\r |
1388 | Key.ScanCode = SCAN_F9;\r | |
95276127 | 1389 | break;\r |
fb0b259e | 1390 | case 'M':\r |
1391 | Key.ScanCode = SCAN_F10;\r | |
95276127 | 1392 | break;\r |
fb0b259e | 1393 | default :\r |
95276127 | 1394 | break;\r |
1395 | }\r | |
1396 | }\r | |
1397 | \r | |
1398 | if (Key.ScanCode != SCAN_NULL) {\r | |
1399 | Key.UnicodeChar = 0;\r | |
1400 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1401 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1402 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1403 | continue;\r | |
1404 | }\r | |
1405 | \r | |
1406 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1407 | \r | |
1408 | break;\r | |
1409 | \r | |
1410 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
fb0b259e | 1411 | \r |
95276127 | 1412 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
fb0b259e | 1413 | \r |
95276127 | 1414 | Key.ScanCode = SCAN_NULL;\r |
fb0b259e | 1415 | \r |
95276127 | 1416 | if (TerminalDevice->TerminalType == PcAnsiType ||\r |
1417 | TerminalDevice->TerminalType == VT100Type ||\r | |
fb0b259e | 1418 | TerminalDevice->TerminalType == VT100PlusType ||\r |
95276127 | 1419 | TerminalDevice->TerminalType == VTUTF8Type) {\r |
1420 | switch (UnicodeChar) {\r | |
fb0b259e | 1421 | case 'A':\r |
1422 | Key.ScanCode = SCAN_UP;\r | |
95276127 | 1423 | break;\r |
fb0b259e | 1424 | case 'B':\r |
1425 | Key.ScanCode = SCAN_DOWN;\r | |
95276127 | 1426 | break;\r |
fb0b259e | 1427 | case 'C':\r |
1428 | Key.ScanCode = SCAN_RIGHT;\r | |
95276127 | 1429 | break;\r |
fb0b259e | 1430 | case 'D':\r |
1431 | Key.ScanCode = SCAN_LEFT;\r | |
95276127 | 1432 | break;\r |
fb0b259e | 1433 | case 'H':\r |
95276127 | 1434 | if (TerminalDevice->TerminalType == PcAnsiType ||\r |
1435 | TerminalDevice->TerminalType == VT100Type) {\r | |
fb0b259e | 1436 | Key.ScanCode = SCAN_HOME;\r |
95276127 | 1437 | }\r |
1438 | break;\r | |
fb0b259e | 1439 | case 'F':\r |
95276127 | 1440 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1441 | Key.ScanCode = SCAN_END;\r | |
1442 | }\r | |
1443 | break;\r | |
fb0b259e | 1444 | case 'K':\r |
95276127 | 1445 | if (TerminalDevice->TerminalType == VT100Type) {\r |
fb0b259e | 1446 | Key.ScanCode = SCAN_END;\r |
95276127 | 1447 | }\r |
1448 | break;\r | |
fb0b259e | 1449 | case 'L':\r |
1450 | case '@':\r | |
95276127 | 1451 | if (TerminalDevice->TerminalType == PcAnsiType ||\r |
1452 | TerminalDevice->TerminalType == VT100Type) {\r | |
fb0b259e | 1453 | Key.ScanCode = SCAN_INSERT;\r |
95276127 | 1454 | }\r |
1455 | break;\r | |
fb0b259e | 1456 | case 'X':\r |
95276127 | 1457 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1458 | Key.ScanCode = SCAN_DELETE;\r | |
1459 | }\r | |
1460 | break;\r | |
fb0b259e | 1461 | case 'P':\r |
95276127 | 1462 | if (TerminalDevice->TerminalType == VT100Type) {\r |
fb0b259e | 1463 | Key.ScanCode = SCAN_DELETE;\r |
95276127 | 1464 | } else if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1465 | Key.ScanCode = SCAN_F4;\r | |
1466 | }\r | |
1467 | break;\r | |
fb0b259e | 1468 | case 'I':\r |
95276127 | 1469 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1470 | Key.ScanCode = SCAN_PAGE_UP;\r | |
1471 | }\r | |
fb0b259e | 1472 | break;\r |
1473 | case 'V':\r | |
95276127 | 1474 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1475 | Key.ScanCode = SCAN_F10;\r | |
fb0b259e | 1476 | }\r |
1477 | case '?':\r | |
95276127 | 1478 | if (TerminalDevice->TerminalType == VT100Type) {\r |
fb0b259e | 1479 | Key.ScanCode = SCAN_PAGE_UP;\r |
95276127 | 1480 | }\r |
1481 | break;\r | |
fb0b259e | 1482 | case 'G':\r |
95276127 | 1483 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1484 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
1485 | }\r | |
fb0b259e | 1486 | break;\r |
1487 | case 'U':\r | |
95276127 | 1488 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1489 | Key.ScanCode = SCAN_F9;\r | |
1490 | }\r | |
fb0b259e | 1491 | case '/':\r |
95276127 | 1492 | if (TerminalDevice->TerminalType == VT100Type) {\r |
fb0b259e | 1493 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
95276127 | 1494 | }\r |
1495 | break;\r | |
fb0b259e | 1496 | case 'M':\r |
95276127 | 1497 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1498 | Key.ScanCode = SCAN_F1;\r | |
1499 | }\r | |
fb0b259e | 1500 | break;\r |
1501 | case 'N':\r | |
95276127 | 1502 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1503 | Key.ScanCode = SCAN_F2;\r | |
1504 | }\r | |
fb0b259e | 1505 | break;\r |
1506 | case 'O':\r | |
95276127 | 1507 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1508 | Key.ScanCode = SCAN_F3;\r | |
1509 | }\r | |
fb0b259e | 1510 | break;\r |
1511 | case 'Q':\r | |
95276127 | 1512 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1513 | Key.ScanCode = SCAN_F5;\r | |
1514 | }\r | |
fb0b259e | 1515 | break;\r |
1516 | case 'R':\r | |
95276127 | 1517 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1518 | Key.ScanCode = SCAN_F6;\r | |
1519 | }\r | |
fb0b259e | 1520 | break;\r |
1521 | case 'S':\r | |
95276127 | 1522 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1523 | Key.ScanCode = SCAN_F7;\r | |
1524 | }\r | |
fb0b259e | 1525 | break;\r |
1526 | case 'T':\r | |
95276127 | 1527 | if (TerminalDevice->TerminalType == PcAnsiType) {\r |
1528 | Key.ScanCode = SCAN_F8;\r | |
1529 | }\r | |
fb0b259e | 1530 | break;\r |
1531 | default :\r | |
95276127 | 1532 | break;\r |
1533 | }\r | |
1534 | }\r | |
1535 | \r | |
1536 | if (Key.ScanCode != SCAN_NULL) {\r | |
1537 | Key.UnicodeChar = 0;\r | |
1538 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1539 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
1540 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1541 | continue;\r | |
1542 | }\r | |
1543 | \r | |
1544 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1545 | \r | |
1546 | break;\r | |
1547 | \r | |
fb0b259e | 1548 | \r |
95276127 | 1549 | default:\r |
1550 | //\r | |
1551 | // Invalid state. This should never happen.\r | |
1552 | //\r | |
1553 | ASSERT (FALSE);\r | |
1554 | \r | |
1555 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
1556 | \r | |
1557 | break;\r | |
1558 | }\r | |
1559 | \r | |
1560 | if (UnicodeChar == ESC) {\r | |
1561 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
1562 | }\r | |
66aa04e4 | 1563 | \r |
1564 | if (UnicodeChar == CSI) {\r | |
1565 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
1566 | }\r | |
fb0b259e | 1567 | \r |
95276127 | 1568 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
1569 | Status = gBS->SetTimer(\r | |
1570 | TerminalDevice->TwoSecondTimeOut,\r | |
1571 | TimerRelative,\r | |
1572 | (UINT64)20000000\r | |
1573 | );\r | |
1574 | ASSERT_EFI_ERROR (Status);\r | |
1575 | continue;\r | |
1576 | }\r | |
1577 | \r | |
1578 | if (SetDefaultResetState) {\r | |
1579 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
1580 | }\r | |
1581 | \r | |
1582 | if (UnicodeChar == DEL) {\r | |
1583 | Key.ScanCode = SCAN_DELETE;\r | |
1584 | Key.UnicodeChar = 0;\r | |
1585 | } else {\r | |
1586 | Key.ScanCode = SCAN_NULL;\r | |
1587 | Key.UnicodeChar = UnicodeChar;\r | |
1588 | }\r | |
1589 | \r | |
1590 | EfiKeyFiFoInsertOneKey (TerminalDevice,Key);\r | |
1591 | }\r | |
1592 | }\r |