projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 4bc6ad39 RN |
1 | /** @file\r |
| 2 | Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.\r | |
| 3 | \r | |
| 35f910f0 | 4 | (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>\r |
| 47b612db | 5 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r |
| 1df81f6d | 6 | Copyright (C) 2016 Silicon Graphics, Inc. All rights reserved.<BR>\r |
| 4bc6ad39 RN |
7 | This program and the accompanying materials\r |
| 8 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 9 | which accompanies this distribution. The full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php\r | |
| 11 | \r | |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | \r | |
| 15 | **/\r | |
| 16 | \r | |
| 17 | #include "Terminal.h"\r | |
| 18 | \r | |
| 19 | \r | |
| 20 | /**\r | |
| 21 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
| 22 | be used to test for existence of a keystroke via WaitForEvent () call.\r | |
| 23 | \r | |
| 24 | @param TerminalDevice Terminal driver private structure\r | |
| 25 | @param KeyData A pointer to a buffer that is filled in with the\r | |
| 26 | keystroke state data for the key that was\r | |
| 27 | pressed.\r | |
| 28 | \r | |
| 29 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
| 30 | @retval EFI_NOT_READY There was no keystroke data available.\r | |
| 31 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
| 32 | \r | |
| 33 | **/\r | |
| 34 | EFI_STATUS\r | |
| 35 | ReadKeyStrokeWorker (\r | |
| 36 | IN TERMINAL_DEV *TerminalDevice,\r | |
| 37 | OUT EFI_KEY_DATA *KeyData\r | |
| 38 | )\r | |
| 39 | {\r | |
| 40 | if (KeyData == NULL) {\r | |
| 41 | return EFI_INVALID_PARAMETER;\r | |
| 42 | }\r | |
| 43 | \r | |
| 44 | if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {\r | |
| 45 | return EFI_NOT_READY;\r | |
| 46 | }\r | |
| 47 | \r | |
| 48 | KeyData->KeyState.KeyShiftState = 0;\r | |
| 49 | KeyData->KeyState.KeyToggleState = 0;\r | |
| 50 | \r | |
| 51 | \r | |
| 52 | return EFI_SUCCESS;\r | |
| 53 | \r | |
| 54 | }\r | |
| 55 | \r | |
| 56 | /**\r | |
| 57 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r | |
| 58 | This driver only perform dependent serial device reset regardless of\r | |
| 59 | the value of ExtendeVerification\r | |
| 60 | \r | |
| 61 | @param This Indicates the calling context.\r | |
| 62 | @param ExtendedVerification Skip by this driver.\r | |
| 63 | \r | |
| 64 | @retval EFI_SUCCESS The reset operation succeeds.\r | |
| 65 | @retval EFI_DEVICE_ERROR The dependent serial port reset fails.\r | |
| 66 | \r | |
| 67 | **/\r | |
| 68 | EFI_STATUS\r | |
| 69 | EFIAPI\r | |
| 70 | TerminalConInReset (\r | |
| 71 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 72 | IN BOOLEAN ExtendedVerification\r | |
| 73 | )\r | |
| 74 | {\r | |
| 75 | EFI_STATUS Status;\r | |
| 76 | TERMINAL_DEV *TerminalDevice;\r | |
| 77 | \r | |
| 78 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
| 79 | \r | |
| 80 | //\r | |
| 81 | // Report progress code here\r | |
| 82 | //\r | |
| 83 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
| 84 | EFI_PROGRESS_CODE,\r | |
| 85 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET),\r | |
| 86 | TerminalDevice->DevicePath\r | |
| 87 | );\r | |
| 88 | \r | |
| 89 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r | |
| 90 | \r | |
| 91 | //\r | |
| 92 | // Make all the internal buffer empty for keys\r | |
| 93 | //\r | |
| 94 | TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail;\r | |
| 95 | TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail;\r | |
| 96 | TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail;\r | |
| 47b612db | 97 | TerminalDevice->EfiKeyFiFoForNotify->Head = TerminalDevice->EfiKeyFiFoForNotify->Tail;\r |
| 4bc6ad39 RN |
98 | \r |
| 99 | if (EFI_ERROR (Status)) {\r | |
| 100 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
| 101 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
| 102 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR),\r | |
| 103 | TerminalDevice->DevicePath\r | |
| 104 | );\r | |
| 105 | }\r | |
| 106 | \r | |
| 107 | return Status;\r | |
| 108 | }\r | |
| 109 | \r | |
| 110 | /**\r | |
| 111 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
| 112 | \r | |
| 113 | @param This Indicates the calling context.\r | |
| 114 | @param Key A pointer to a buffer that is filled in with the\r | |
| 115 | keystroke information for the key that was sent\r | |
| 116 | from terminal.\r | |
| 117 | \r | |
| 118 | @retval EFI_SUCCESS The keystroke information is returned successfully.\r | |
| 119 | @retval EFI_NOT_READY There is no keystroke data available.\r | |
| 120 | @retval EFI_DEVICE_ERROR The dependent serial device encounters error.\r | |
| 121 | \r | |
| 122 | **/\r | |
| 123 | EFI_STATUS\r | |
| 124 | EFIAPI\r | |
| 125 | TerminalConInReadKeyStroke (\r | |
| 126 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 127 | OUT EFI_INPUT_KEY *Key\r | |
| 128 | )\r | |
| 129 | {\r | |
| 130 | TERMINAL_DEV *TerminalDevice;\r | |
| 131 | EFI_STATUS Status;\r | |
| 132 | EFI_KEY_DATA KeyData;\r | |
| 133 | \r | |
| 134 | //\r | |
| 135 | // get TERMINAL_DEV from "This" parameter.\r | |
| 136 | //\r | |
| 137 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r | |
| 138 | \r | |
| 139 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r | |
| 140 | if (EFI_ERROR (Status)) {\r | |
| 141 | return Status;\r | |
| 142 | }\r | |
| 143 | \r | |
| 144 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r | |
| 145 | \r | |
| 146 | return EFI_SUCCESS;\r | |
| 147 | \r | |
| 148 | }\r | |
| 149 | \r | |
| 150 | /**\r | |
| 151 | Check if the key already has been registered.\r | |
| 152 | \r | |
| 153 | If both RegsiteredData and InputData is NULL, then ASSERT().\r | |
| 154 | \r | |
| 155 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
| 156 | keystroke state data for the key that was\r | |
| 157 | registered.\r | |
| 158 | @param InputData A pointer to a buffer that is filled in with the\r | |
| 159 | keystroke state data for the key that was\r | |
| 160 | pressed.\r | |
| 161 | \r | |
| 162 | @retval TRUE Key be pressed matches a registered key.\r | |
| f07ccd05 | 163 | @retval FALSE Match failed.\r |
| 4bc6ad39 RN |
164 | \r |
| 165 | **/\r | |
| 166 | BOOLEAN\r | |
| 167 | IsKeyRegistered (\r | |
| 168 | IN EFI_KEY_DATA *RegsiteredData,\r | |
| 169 | IN EFI_KEY_DATA *InputData\r | |
| 170 | )\r | |
| 171 | {\r | |
| 172 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r | |
| 173 | \r | |
| 174 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r | |
| 175 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r | |
| 176 | return FALSE;\r | |
| 177 | }\r | |
| 178 | \r | |
| 179 | return TRUE;\r | |
| 180 | }\r | |
| 181 | \r | |
| 182 | \r | |
| 183 | \r | |
| 184 | /**\r | |
| 185 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
| 186 | Signal the event if there is key available\r | |
| 187 | \r | |
| 188 | @param Event Indicates the event that invoke this function.\r | |
| 189 | @param Context Indicates the calling context.\r | |
| 190 | \r | |
| 191 | **/\r | |
| 192 | VOID\r | |
| 193 | EFIAPI\r | |
| 194 | TerminalConInWaitForKeyEx (\r | |
| 195 | IN EFI_EVENT Event,\r | |
| 196 | IN VOID *Context\r | |
| 197 | )\r | |
| 198 | {\r | |
| 199 | TerminalConInWaitForKey (Event, Context);\r | |
| 200 | }\r | |
| 201 | \r | |
| 202 | //\r | |
| 203 | // Simple Text Input Ex protocol functions\r | |
| 204 | //\r | |
| 205 | \r | |
| 206 | /**\r | |
| 207 | Reset the input device and optionally run diagnostics\r | |
| 208 | \r | |
| 209 | @param This Protocol instance pointer.\r | |
| 210 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
| 211 | \r | |
| 212 | @retval EFI_SUCCESS The device was reset.\r | |
| 213 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
| 214 | not be reset.\r | |
| 215 | \r | |
| 216 | **/\r | |
| 217 | EFI_STATUS\r | |
| 218 | EFIAPI\r | |
| 219 | TerminalConInResetEx (\r | |
| 220 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 221 | IN BOOLEAN ExtendedVerification\r | |
| 222 | )\r | |
| 223 | {\r | |
| 224 | EFI_STATUS Status;\r | |
| 225 | TERMINAL_DEV *TerminalDevice;\r | |
| 226 | \r | |
| 227 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
| 228 | \r | |
| 229 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r | |
| 230 | if (EFI_ERROR (Status)) {\r | |
| 231 | return EFI_DEVICE_ERROR;\r | |
| 232 | }\r | |
| 233 | \r | |
| 234 | return EFI_SUCCESS;\r | |
| 235 | \r | |
| 236 | }\r | |
| 237 | \r | |
| 238 | \r | |
| 239 | /**\r | |
| 240 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
| 241 | be used to test for existence of a keystroke via WaitForEvent () call.\r | |
| 242 | \r | |
| 243 | @param This Protocol instance pointer.\r | |
| 244 | @param KeyData A pointer to a buffer that is filled in with the\r | |
| 245 | keystroke state data for the key that was\r | |
| 246 | pressed.\r | |
| 247 | \r | |
| 248 | @retval EFI_SUCCESS The keystroke information was returned.\r | |
| 249 | @retval EFI_NOT_READY There was no keystroke data available.\r | |
| 250 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
| 251 | to hardware errors.\r | |
| 252 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
| 253 | \r | |
| 254 | **/\r | |
| 255 | EFI_STATUS\r | |
| 256 | EFIAPI\r | |
| 257 | TerminalConInReadKeyStrokeEx (\r | |
| 258 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 259 | OUT EFI_KEY_DATA *KeyData\r | |
| 260 | )\r | |
| 261 | {\r | |
| 262 | TERMINAL_DEV *TerminalDevice;\r | |
| 263 | \r | |
| 264 | if (KeyData == NULL) {\r | |
| 265 | return EFI_INVALID_PARAMETER;\r | |
| 266 | }\r | |
| 267 | \r | |
| 268 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
| 269 | \r | |
| 270 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r | |
| 271 | \r | |
| 272 | }\r | |
| 273 | \r | |
| 274 | \r | |
| 275 | /**\r | |
| 276 | Set certain state for the input device.\r | |
| 277 | \r | |
| 278 | @param This Protocol instance pointer.\r | |
| 279 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
| 280 | state for the input device.\r | |
| 281 | \r | |
| 282 | @retval EFI_SUCCESS The device state was set successfully.\r | |
| 283 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
| 284 | could not have the setting adjusted.\r | |
| 285 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
| 286 | state.\r | |
| 287 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
| 288 | \r | |
| 289 | **/\r | |
| 290 | EFI_STATUS\r | |
| 291 | EFIAPI\r | |
| 292 | TerminalConInSetState (\r | |
| 293 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 294 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
| 295 | )\r | |
| 296 | {\r | |
| 297 | if (KeyToggleState == NULL) {\r | |
| 298 | return EFI_INVALID_PARAMETER;\r | |
| 299 | }\r | |
| 300 | \r | |
| b95a25d1 ED |
301 | if ((*KeyToggleState & EFI_TOGGLE_STATE_VALID) != EFI_TOGGLE_STATE_VALID) {\r |
| 302 | return EFI_UNSUPPORTED;\r | |
| 303 | }\r | |
| 304 | \r | |
| 4bc6ad39 RN |
305 | return EFI_SUCCESS;\r |
| 306 | }\r | |
| 307 | \r | |
| 308 | \r | |
| 309 | /**\r | |
| 310 | Register a notification function for a particular keystroke for the input device.\r | |
| 311 | \r | |
| 312 | @param This Protocol instance pointer.\r | |
| 313 | @param KeyData A pointer to a buffer that is filled in with the\r | |
| 314 | keystroke information data for the key that was\r | |
| 315 | pressed.\r | |
| 316 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
| 317 | sequence is typed specified by KeyData.\r | |
| 318 | @param NotifyHandle Points to the unique handle assigned to the\r | |
| 319 | registered notification.\r | |
| 320 | \r | |
| 321 | @retval EFI_SUCCESS The notification function was registered\r | |
| 322 | successfully.\r | |
| 323 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data\r | |
| 324 | structures.\r | |
| 325 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
| 326 | \r | |
| 327 | **/\r | |
| 328 | EFI_STATUS\r | |
| 329 | EFIAPI\r | |
| 330 | TerminalConInRegisterKeyNotify (\r | |
| 331 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 332 | IN EFI_KEY_DATA *KeyData,\r | |
| 333 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
| 402e4a9d | 334 | OUT VOID **NotifyHandle\r |
| 4bc6ad39 RN |
335 | )\r |
| 336 | {\r | |
| 337 | TERMINAL_DEV *TerminalDevice;\r | |
| 338 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r | |
| 339 | LIST_ENTRY *Link;\r | |
| 340 | LIST_ENTRY *NotifyList;\r | |
| 341 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
| 342 | \r | |
| 343 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r | |
| 344 | return EFI_INVALID_PARAMETER;\r | |
| 345 | }\r | |
| 346 | \r | |
| 347 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r | |
| 348 | \r | |
| 349 | //\r | |
| 350 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r | |
| 351 | //\r | |
| 352 | NotifyList = &TerminalDevice->NotifyList;\r | |
| 353 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
| 354 | CurrentNotify = CR (\r | |
| 355 | Link,\r | |
| 356 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
| 357 | NotifyEntry,\r | |
| 358 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
| 359 | );\r | |
| 360 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r | |
| 361 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r | |
| 402e4a9d | 362 | *NotifyHandle = CurrentNotify;\r |
| 4bc6ad39 RN |
363 | return EFI_SUCCESS;\r |
| 364 | }\r | |
| 365 | }\r | |
| 366 | }\r | |
| 367 | \r | |
| 368 | //\r | |
| 369 | // Allocate resource to save the notification function\r | |
| 370 | //\r | |
| 371 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r | |
| 372 | if (NewNotify == NULL) {\r | |
| 373 | return EFI_OUT_OF_RESOURCES;\r | |
| 374 | }\r | |
| 375 | \r | |
| 376 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r | |
| 377 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r | |
| b8a605d0 | 378 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (EFI_KEY_DATA));\r |
| 4bc6ad39 RN |
379 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r |
| 380 | \r | |
| 402e4a9d | 381 | *NotifyHandle = NewNotify;\r |
| 4bc6ad39 RN |
382 | \r |
| 383 | return EFI_SUCCESS;\r | |
| 384 | }\r | |
| 385 | \r | |
| 386 | \r | |
| 387 | /**\r | |
| 388 | Remove a registered notification function from a particular keystroke.\r | |
| 389 | \r | |
| 390 | @param This Protocol instance pointer.\r | |
| 391 | @param NotificationHandle The handle of the notification function being\r | |
| 392 | unregistered.\r | |
| 393 | \r | |
| 394 | @retval EFI_SUCCESS The notification function was unregistered\r | |
| 395 | successfully.\r | |
| 396 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
| 397 | \r | |
| 398 | **/\r | |
| 399 | EFI_STATUS\r | |
| 400 | EFIAPI\r | |
| 401 | TerminalConInUnregisterKeyNotify (\r | |
| 402 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 402e4a9d | 403 | IN VOID *NotificationHandle\r |
| 4bc6ad39 RN |
404 | )\r |
| 405 | {\r | |
| 406 | TERMINAL_DEV *TerminalDevice;\r | |
| 407 | LIST_ENTRY *Link;\r | |
| 408 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
| 409 | LIST_ENTRY *NotifyList;\r | |
| 410 | \r | |
| 411 | if (NotificationHandle == NULL) {\r | |
| 412 | return EFI_INVALID_PARAMETER;\r | |
| 413 | }\r | |
| 414 | \r | |
| 4bc6ad39 RN |
415 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r |
| 416 | \r | |
| 417 | NotifyList = &TerminalDevice->NotifyList;\r | |
| 418 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
| 419 | CurrentNotify = CR (\r | |
| 420 | Link,\r | |
| 421 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
| 422 | NotifyEntry,\r | |
| 423 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
| 424 | );\r | |
| 402e4a9d | 425 | if (CurrentNotify == NotificationHandle) {\r |
| 4bc6ad39 RN |
426 | //\r |
| 427 | // Remove the notification function from NotifyList and free resources\r | |
| 428 | //\r | |
| 429 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r | |
| 430 | \r | |
| 431 | gBS->FreePool (CurrentNotify);\r | |
| 432 | return EFI_SUCCESS;\r | |
| 433 | }\r | |
| 434 | }\r | |
| 435 | \r | |
| 436 | //\r | |
| 437 | // Can not find the matching entry in database.\r | |
| 438 | //\r | |
| 439 | return EFI_INVALID_PARAMETER;\r | |
| 440 | }\r | |
| 441 | \r | |
| 442 | /**\r | |
| 443 | Translate raw data into Unicode (according to different encode), and\r | |
| 444 | translate Unicode into key information. (according to different standard).\r | |
| 445 | \r | |
| 446 | @param TerminalDevice Terminal driver private structure.\r | |
| 447 | \r | |
| 448 | **/\r | |
| 449 | VOID\r | |
| 450 | TranslateRawDataToEfiKey (\r | |
| 451 | IN TERMINAL_DEV *TerminalDevice\r | |
| 452 | )\r | |
| 453 | {\r | |
| 454 | switch (TerminalDevice->TerminalType) {\r | |
| 455 | \r | |
| 456 | case PCANSITYPE:\r | |
| 457 | case VT100TYPE:\r | |
| 458 | case VT100PLUSTYPE:\r | |
| 6e3227c8 | 459 | case TTYTERMTYPE:\r |
| 4bc6ad39 RN |
460 | AnsiRawDataToUnicode (TerminalDevice);\r |
| 461 | UnicodeToEfiKey (TerminalDevice);\r | |
| 462 | break;\r | |
| 463 | \r | |
| 464 | case VTUTF8TYPE:\r | |
| 465 | //\r | |
| 466 | // Process all the raw data in the RawFIFO,\r | |
| 467 | // put the processed key into UnicodeFIFO.\r | |
| 468 | //\r | |
| 469 | VTUTF8RawDataToUnicode (TerminalDevice);\r | |
| 470 | \r | |
| 471 | //\r | |
| 472 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r | |
| 473 | // then put into EfiKeyFIFO.\r | |
| 474 | //\r | |
| 475 | UnicodeToEfiKey (TerminalDevice);\r | |
| 476 | \r | |
| 477 | break;\r | |
| 478 | }\r | |
| 479 | }\r | |
| 480 | \r | |
| 481 | /**\r | |
| 482 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
| 483 | Signal the event if there is key available\r | |
| 484 | \r | |
| 485 | @param Event Indicates the event that invoke this function.\r | |
| 486 | @param Context Indicates the calling context.\r | |
| 487 | \r | |
| 488 | **/\r | |
| 489 | VOID\r | |
| 490 | EFIAPI\r | |
| 491 | TerminalConInWaitForKey (\r | |
| 492 | IN EFI_EVENT Event,\r | |
| 493 | IN VOID *Context\r | |
| 494 | )\r | |
| 495 | {\r | |
| 496 | //\r | |
| 497 | // Someone is waiting on the keystroke event, if there's\r | |
| 498 | // a key pending, signal the event\r | |
| 499 | //\r | |
| 500 | if (!IsEfiKeyFiFoEmpty ((TERMINAL_DEV *) Context)) {\r | |
| 501 | \r | |
| 502 | gBS->SignalEvent (Event);\r | |
| 503 | }\r | |
| 504 | }\r | |
| 505 | \r | |
| 506 | /**\r | |
| 507 | Timer handler to poll the key from serial.\r | |
| 508 | \r | |
| 509 | @param Event Indicates the event that invoke this function.\r | |
| 510 | @param Context Indicates the calling context.\r | |
| 511 | **/\r | |
| 512 | VOID\r | |
| 513 | EFIAPI\r | |
| 514 | TerminalConInTimerHandler (\r | |
| 515 | IN EFI_EVENT Event,\r | |
| 516 | IN VOID *Context\r | |
| 517 | )\r | |
| 518 | {\r | |
| 519 | EFI_STATUS Status;\r | |
| 520 | TERMINAL_DEV *TerminalDevice;\r | |
| 59d88f42 | 521 | UINT32 Control;\r |
| 4bc6ad39 RN |
522 | UINT8 Input;\r |
| 523 | EFI_SERIAL_IO_MODE *Mode;\r | |
| 524 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
| 525 | UINTN SerialInTimeOut;\r | |
| 526 | \r | |
| 527 | TerminalDevice = (TERMINAL_DEV *) Context;\r | |
| 528 | \r | |
| 529 | SerialIo = TerminalDevice->SerialIo;\r | |
| 530 | if (SerialIo == NULL) {\r | |
| 531 | return ;\r | |
| 532 | }\r | |
| 533 | //\r | |
| 534 | // if current timeout value for serial device is not identical with\r | |
| 535 | // the value saved in TERMINAL_DEV structure, then recalculate the\r | |
| 536 | // timeout value again and set serial attribute according to this value.\r | |
| 537 | //\r | |
| 538 | Mode = SerialIo->Mode;\r | |
| 539 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r | |
| 540 | \r | |
| 541 | SerialInTimeOut = 0;\r | |
| 542 | if (Mode->BaudRate != 0) {\r | |
| 543 | //\r | |
| 544 | // According to BAUD rate to calculate the timeout value.\r | |
| 545 | //\r | |
| 546 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r | |
| 547 | }\r | |
| 548 | \r | |
| 549 | Status = SerialIo->SetAttributes (\r | |
| 550 | SerialIo,\r | |
| 551 | Mode->BaudRate,\r | |
| 6ba44b86 | 552 | Mode->ReceiveFifoDepth,\r |
| 4bc6ad39 RN |
553 | (UINT32) SerialInTimeOut,\r |
| 554 | (EFI_PARITY_TYPE) (Mode->Parity),\r | |
| 555 | (UINT8) Mode->DataBits,\r | |
| 556 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r | |
| 557 | );\r | |
| 558 | \r | |
| 559 | if (EFI_ERROR (Status)) {\r | |
| 560 | TerminalDevice->SerialInTimeOut = 0;\r | |
| 561 | } else {\r | |
| 562 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r | |
| 563 | }\r | |
| 564 | }\r | |
| 4bc6ad39 | 565 | //\r |
| 59d88f42 | 566 | // Check whether serial buffer is empty.\r |
| d9b51b21 SZ |
567 | // Skip the key transfer loop only if the SerialIo protocol instance\r |
| 568 | // successfully reports EFI_SERIAL_INPUT_BUFFER_EMPTY.\r | |
| 4bc6ad39 | 569 | //\r |
| 59d88f42 | 570 | Status = SerialIo->GetControl (SerialIo, &Control);\r |
| d9b51b21 | 571 | if (EFI_ERROR (Status) || ((Control & EFI_SERIAL_INPUT_BUFFER_EMPTY) == 0)) {\r |
| 59d88f42 RN |
572 | //\r |
| 573 | // Fetch all the keys in the serial buffer,\r | |
| 574 | // and insert the byte stream into RawFIFO.\r | |
| 575 | //\r | |
| 576 | while (!IsRawFiFoFull (TerminalDevice)) {\r | |
| 577 | \r | |
| 578 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r | |
| 579 | \r | |
| 580 | if (EFI_ERROR (Status)) {\r | |
| 581 | if (Status == EFI_DEVICE_ERROR) {\r | |
| 582 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
| 583 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r | |
| 584 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_INPUT_ERROR),\r | |
| 585 | TerminalDevice->DevicePath\r | |
| 586 | );\r | |
| 587 | }\r | |
| 588 | break;\r | |
| 4bc6ad39 | 589 | }\r |
| 4bc6ad39 | 590 | \r |
| 59d88f42 RN |
591 | RawFiFoInsertOneKey (TerminalDevice, Input);\r |
| 592 | }\r | |
| 4bc6ad39 RN |
593 | }\r |
| 594 | \r | |
| 595 | //\r | |
| 596 | // Translate all the raw data in RawFIFO into EFI Key,\r | |
| 597 | // according to different terminal type supported.\r | |
| 598 | //\r | |
| 599 | TranslateRawDataToEfiKey (TerminalDevice);\r | |
| 600 | }\r | |
| 601 | \r | |
| 47b612db SZ |
602 | /**\r |
| 603 | Process key notify.\r | |
| 604 | \r | |
| 605 | @param Event Indicates the event that invoke this function.\r | |
| 606 | @param Context Indicates the calling context.\r | |
| 607 | **/\r | |
| 608 | VOID\r | |
| 609 | EFIAPI\r | |
| 610 | KeyNotifyProcessHandler (\r | |
| 611 | IN EFI_EVENT Event,\r | |
| 612 | IN VOID *Context\r | |
| 613 | )\r | |
| 614 | {\r | |
| 615 | BOOLEAN HasKey;\r | |
| 616 | TERMINAL_DEV *TerminalDevice;\r | |
| 617 | EFI_INPUT_KEY Key;\r | |
| 618 | EFI_KEY_DATA KeyData;\r | |
| 619 | LIST_ENTRY *Link;\r | |
| 620 | LIST_ENTRY *NotifyList;\r | |
| 621 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
| 622 | EFI_TPL OldTpl;\r | |
| 623 | \r | |
| 624 | TerminalDevice = (TERMINAL_DEV *) Context;\r | |
| 625 | \r | |
| 626 | //\r | |
| 627 | // Invoke notification functions.\r | |
| 628 | //\r | |
| 629 | NotifyList = &TerminalDevice->NotifyList;\r | |
| 630 | while (TRUE) {\r | |
| 631 | //\r | |
| 632 | // Enter critical section\r | |
| 633 | // \r | |
| 634 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
| 635 | HasKey = EfiKeyFiFoForNotifyRemoveOneKey (TerminalDevice->EfiKeyFiFoForNotify, &Key);\r | |
| 636 | CopyMem (&KeyData.Key, &Key, sizeof (EFI_INPUT_KEY));\r | |
| 637 | KeyData.KeyState.KeyShiftState = 0;\r | |
| 638 | KeyData.KeyState.KeyToggleState = 0;\r | |
| 639 | //\r | |
| 640 | // Leave critical section\r | |
| 641 | //\r | |
| 642 | gBS->RestoreTPL (OldTpl);\r | |
| 643 | if (!HasKey) {\r | |
| 644 | break;\r | |
| 645 | }\r | |
| 646 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList, Link); Link = GetNextNode (NotifyList, Link)) {\r | |
| 647 | CurrentNotify = CR (Link, TERMINAL_CONSOLE_IN_EX_NOTIFY, NotifyEntry, TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE);\r | |
| 648 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r | |
| 649 | CurrentNotify->KeyNotificationFn (&KeyData);\r | |
| 650 | }\r | |
| 651 | }\r | |
| 652 | }\r | |
| 653 | }\r | |
| 654 | \r | |
| 4bc6ad39 RN |
655 | /**\r |
| 656 | Get one key out of serial buffer.\r | |
| 657 | \r | |
| 658 | @param SerialIo Serial I/O protocol attached to the serial device.\r | |
| 659 | @param Output The fetched key.\r | |
| 660 | \r | |
| 661 | @retval EFI_NOT_READY If serial buffer is empty.\r | |
| 662 | @retval EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
| 663 | @retval EFI_SUCCESS If reading serial buffer successfully, put\r | |
| 664 | the fetched key to the parameter output.\r | |
| 665 | \r | |
| 666 | **/\r | |
| 667 | EFI_STATUS\r | |
| 668 | GetOneKeyFromSerial (\r | |
| 669 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
| 670 | UINT8 *Output\r | |
| 671 | )\r | |
| 672 | {\r | |
| 673 | EFI_STATUS Status;\r | |
| 674 | UINTN Size;\r | |
| 675 | \r | |
| 676 | Size = 1;\r | |
| 677 | *Output = 0;\r | |
| 678 | \r | |
| 679 | //\r | |
| 680 | // Read one key from serial I/O device.\r | |
| 681 | //\r | |
| 682 | Status = SerialIo->Read (SerialIo, &Size, Output);\r | |
| 683 | \r | |
| 684 | if (EFI_ERROR (Status)) {\r | |
| 685 | \r | |
| 686 | if (Status == EFI_TIMEOUT) {\r | |
| 687 | return EFI_NOT_READY;\r | |
| 688 | }\r | |
| 689 | \r | |
| 690 | return EFI_DEVICE_ERROR;\r | |
| 691 | \r | |
| 692 | }\r | |
| 693 | \r | |
| 694 | if (*Output == 0) {\r | |
| 695 | return EFI_NOT_READY;\r | |
| 696 | }\r | |
| 697 | \r | |
| 698 | return EFI_SUCCESS;\r | |
| 699 | }\r | |
| 700 | \r | |
| 701 | /**\r | |
| 702 | Insert one byte raw data into the Raw Data FIFO.\r | |
| 703 | \r | |
| 704 | @param TerminalDevice Terminal driver private structure.\r | |
| 705 | @param Input The key will be input.\r | |
| 706 | \r | |
| 707 | @retval TRUE If insert successfully.\r | |
| f07ccd05 | 708 | @retval FALSE If Raw Data buffer is full before key insertion,\r |
| 4bc6ad39 RN |
709 | and the key is lost.\r |
| 710 | \r | |
| 711 | **/\r | |
| 712 | BOOLEAN\r | |
| 713 | RawFiFoInsertOneKey (\r | |
| 714 | TERMINAL_DEV *TerminalDevice,\r | |
| 715 | UINT8 Input\r | |
| 716 | )\r | |
| 717 | {\r | |
| 718 | UINT8 Tail;\r | |
| 719 | \r | |
| 720 | Tail = TerminalDevice->RawFiFo->Tail;\r | |
| 721 | \r | |
| 722 | if (IsRawFiFoFull (TerminalDevice)) {\r | |
| 723 | //\r | |
| 724 | // Raw FIFO is full\r | |
| 725 | //\r | |
| 726 | return FALSE;\r | |
| 727 | }\r | |
| 728 | \r | |
| 729 | TerminalDevice->RawFiFo->Data[Tail] = Input;\r | |
| 730 | \r | |
| 731 | TerminalDevice->RawFiFo->Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
| 732 | \r | |
| 733 | return TRUE;\r | |
| 734 | }\r | |
| 735 | \r | |
| 736 | /**\r | |
| 737 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
| 738 | \r | |
| 739 | @param TerminalDevice Terminal driver private structure.\r | |
| 740 | @param Output The key will be removed.\r | |
| 741 | \r | |
| 742 | @retval TRUE If insert successfully.\r | |
| f07ccd05 | 743 | @retval FALSE If Raw Data FIFO buffer is empty before remove operation.\r |
| 4bc6ad39 RN |
744 | \r |
| 745 | **/\r | |
| 746 | BOOLEAN\r | |
| 747 | RawFiFoRemoveOneKey (\r | |
| 748 | TERMINAL_DEV *TerminalDevice,\r | |
| 749 | UINT8 *Output\r | |
| 750 | )\r | |
| 751 | {\r | |
| 752 | UINT8 Head;\r | |
| 753 | \r | |
| 754 | Head = TerminalDevice->RawFiFo->Head;\r | |
| 755 | \r | |
| 756 | if (IsRawFiFoEmpty (TerminalDevice)) {\r | |
| 757 | //\r | |
| 758 | // FIFO is empty\r | |
| 759 | //\r | |
| 760 | *Output = 0;\r | |
| 761 | return FALSE;\r | |
| 762 | }\r | |
| 763 | \r | |
| 764 | *Output = TerminalDevice->RawFiFo->Data[Head];\r | |
| 765 | \r | |
| 766 | TerminalDevice->RawFiFo->Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r | |
| 767 | \r | |
| 768 | return TRUE;\r | |
| 769 | }\r | |
| 770 | \r | |
| 771 | /**\r | |
| 772 | Clarify whether Raw Data FIFO buffer is empty.\r | |
| 773 | \r | |
| 774 | @param TerminalDevice Terminal driver private structure\r | |
| 775 | \r | |
| 776 | @retval TRUE If Raw Data FIFO buffer is empty.\r | |
| f07ccd05 | 777 | @retval FALSE If Raw Data FIFO buffer is not empty.\r |
| 4bc6ad39 RN |
778 | \r |
| 779 | **/\r | |
| 780 | BOOLEAN\r | |
| 781 | IsRawFiFoEmpty (\r | |
| 782 | TERMINAL_DEV *TerminalDevice\r | |
| 783 | )\r | |
| 784 | {\r | |
| 785 | if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) {\r | |
| 786 | return TRUE;\r | |
| 787 | } else {\r | |
| 788 | return FALSE;\r | |
| 789 | }\r | |
| 790 | }\r | |
| 791 | \r | |
| 792 | /**\r | |
| 793 | Clarify whether Raw Data FIFO buffer is full.\r | |
| 794 | \r | |
| 795 | @param TerminalDevice Terminal driver private structure\r | |
| 796 | \r | |
| 797 | @retval TRUE If Raw Data FIFO buffer is full.\r | |
| f07ccd05 | 798 | @retval FALSE If Raw Data FIFO buffer is not full.\r |
| 4bc6ad39 RN |
799 | \r |
| 800 | **/\r | |
| 801 | BOOLEAN\r | |
| 802 | IsRawFiFoFull (\r | |
| 803 | TERMINAL_DEV *TerminalDevice\r | |
| 804 | )\r | |
| 805 | {\r | |
| 806 | UINT8 Tail;\r | |
| 807 | UINT8 Head;\r | |
| 808 | \r | |
| 809 | Tail = TerminalDevice->RawFiFo->Tail;\r | |
| 810 | Head = TerminalDevice->RawFiFo->Head;\r | |
| 811 | \r | |
| 812 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r | |
| 813 | \r | |
| 814 | return TRUE;\r | |
| 815 | }\r | |
| 816 | \r | |
| 817 | return FALSE;\r | |
| 818 | }\r | |
| 819 | \r | |
| 47b612db SZ |
820 | /**\r |
| 821 | Insert one pre-fetched key into the FIFO buffer.\r | |
| 822 | \r | |
| 823 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
| 824 | @param Input The key will be input.\r | |
| 825 | \r | |
| 826 | @retval TRUE If insert successfully.\r | |
| 827 | @retval FALSE If FIFO buffer is full before key insertion,\r | |
| 828 | and the key is lost.\r | |
| 829 | \r | |
| 830 | **/\r | |
| 831 | BOOLEAN\r | |
| 832 | EfiKeyFiFoForNotifyInsertOneKey (\r | |
| 833 | EFI_KEY_FIFO *EfiKeyFiFo,\r | |
| 834 | EFI_INPUT_KEY *Input\r | |
| 835 | )\r | |
| 836 | {\r | |
| 837 | UINT8 Tail;\r | |
| 838 | \r | |
| 839 | Tail = EfiKeyFiFo->Tail;\r | |
| 840 | \r | |
| 841 | if (IsEfiKeyFiFoForNotifyFull (EfiKeyFiFo)) {\r | |
| 842 | //\r | |
| 843 | // FIFO is full\r | |
| 844 | //\r | |
| 845 | return FALSE;\r | |
| 846 | }\r | |
| 847 | \r | |
| 848 | CopyMem (&EfiKeyFiFo->Data[Tail], Input, sizeof (EFI_INPUT_KEY));\r | |
| 849 | \r | |
| 850 | EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
| 851 | \r | |
| 852 | return TRUE;\r | |
| 853 | }\r | |
| 854 | \r | |
| 855 | /**\r | |
| 856 | Remove one pre-fetched key out of the FIFO buffer.\r | |
| 857 | \r | |
| 858 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
| 859 | @param Output The key will be removed.\r | |
| 860 | \r | |
| 861 | @retval TRUE If remove successfully.\r | |
| 862 | @retval FALSE If FIFO buffer is empty before remove operation.\r | |
| 863 | \r | |
| 864 | **/\r | |
| 865 | BOOLEAN\r | |
| 866 | EfiKeyFiFoForNotifyRemoveOneKey (\r | |
| 867 | EFI_KEY_FIFO *EfiKeyFiFo,\r | |
| 868 | EFI_INPUT_KEY *Output\r | |
| 869 | )\r | |
| 870 | {\r | |
| 871 | UINT8 Head;\r | |
| 872 | \r | |
| 873 | Head = EfiKeyFiFo->Head;\r | |
| 874 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r | |
| 875 | \r | |
| 876 | if (IsEfiKeyFiFoForNotifyEmpty (EfiKeyFiFo)) {\r | |
| 877 | //\r | |
| 878 | // FIFO is empty\r | |
| 879 | //\r | |
| 880 | Output->ScanCode = SCAN_NULL;\r | |
| 881 | Output->UnicodeChar = 0;\r | |
| 882 | return FALSE;\r | |
| 883 | }\r | |
| 884 | \r | |
| 885 | CopyMem (Output, &EfiKeyFiFo->Data[Head], sizeof (EFI_INPUT_KEY));\r | |
| 886 | \r | |
| 887 | EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
| 888 | \r | |
| 889 | return TRUE;\r | |
| 890 | }\r | |
| 891 | \r | |
| 892 | /**\r | |
| 893 | Clarify whether FIFO buffer is empty.\r | |
| 894 | \r | |
| 895 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
| 896 | \r | |
| 897 | @retval TRUE If FIFO buffer is empty.\r | |
| 898 | @retval FALSE If FIFO buffer is not empty.\r | |
| 899 | \r | |
| 900 | **/\r | |
| 901 | BOOLEAN\r | |
| 902 | IsEfiKeyFiFoForNotifyEmpty (\r | |
| 903 | EFI_KEY_FIFO *EfiKeyFiFo\r | |
| 904 | )\r | |
| 905 | {\r | |
| 906 | if (EfiKeyFiFo->Head == EfiKeyFiFo->Tail) {\r | |
| 907 | return TRUE;\r | |
| 908 | } else {\r | |
| 909 | return FALSE;\r | |
| 910 | }\r | |
| 911 | }\r | |
| 912 | \r | |
| 913 | /**\r | |
| 914 | Clarify whether FIFO buffer is full.\r | |
| 915 | \r | |
| 916 | @param EfiKeyFiFo Pointer to instance of EFI_KEY_FIFO.\r | |
| 917 | \r | |
| 918 | @retval TRUE If FIFO buffer is full.\r | |
| 919 | @retval FALSE If FIFO buffer is not full.\r | |
| 920 | \r | |
| 921 | **/\r | |
| 922 | BOOLEAN\r | |
| 923 | IsEfiKeyFiFoForNotifyFull (\r | |
| 924 | EFI_KEY_FIFO *EfiKeyFiFo\r | |
| 925 | )\r | |
| 926 | {\r | |
| 927 | UINT8 Tail;\r | |
| 928 | UINT8 Head;\r | |
| 929 | \r | |
| 930 | Tail = EfiKeyFiFo->Tail;\r | |
| 931 | Head = EfiKeyFiFo->Head;\r | |
| 932 | \r | |
| 933 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
| 934 | return TRUE;\r | |
| 935 | }\r | |
| 936 | \r | |
| 937 | return FALSE;\r | |
| 938 | }\r | |
| 939 | \r | |
| 4bc6ad39 RN |
940 | /**\r |
| 941 | Insert one pre-fetched key into the FIFO buffer.\r | |
| 942 | \r | |
| 943 | @param TerminalDevice Terminal driver private structure.\r | |
| 944 | @param Key The key will be input.\r | |
| 945 | \r | |
| 946 | @retval TRUE If insert successfully.\r | |
| f07ccd05 | 947 | @retval FALSE If FIFO buffer is full before key insertion,\r |
| 4bc6ad39 RN |
948 | and the key is lost.\r |
| 949 | \r | |
| 950 | **/\r | |
| 951 | BOOLEAN\r | |
| 952 | EfiKeyFiFoInsertOneKey (\r | |
| 953 | TERMINAL_DEV *TerminalDevice,\r | |
| 954 | EFI_INPUT_KEY *Key\r | |
| 955 | )\r | |
| 956 | {\r | |
| 957 | UINT8 Tail;\r | |
| 958 | LIST_ENTRY *Link;\r | |
| 959 | LIST_ENTRY *NotifyList;\r | |
| 960 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r | |
| 961 | EFI_KEY_DATA KeyData;\r | |
| 962 | \r | |
| 963 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r | |
| 964 | \r | |
| 965 | CopyMem (&KeyData.Key, Key, sizeof (EFI_INPUT_KEY));\r | |
| 966 | KeyData.KeyState.KeyShiftState = 0;\r | |
| 967 | KeyData.KeyState.KeyToggleState = 0;\r | |
| 968 | \r | |
| 969 | //\r | |
| 47b612db | 970 | // Signal KeyNotify process event if this key pressed matches any key registered.\r |
| 4bc6ad39 RN |
971 | //\r |
| 972 | NotifyList = &TerminalDevice->NotifyList;\r | |
| 973 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r | |
| 974 | CurrentNotify = CR (\r | |
| 975 | Link,\r | |
| 976 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r | |
| 977 | NotifyEntry,\r | |
| 978 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r | |
| 979 | );\r | |
| 980 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r | |
| 47b612db SZ |
981 | //\r |
| 982 | // The key notification function needs to run at TPL_CALLBACK\r | |
| 983 | // while current TPL is TPL_NOTIFY. It will be invoked in\r | |
| 984 | // KeyNotifyProcessHandler() which runs at TPL_CALLBACK.\r | |
| 985 | //\r | |
| 986 | EfiKeyFiFoForNotifyInsertOneKey (TerminalDevice->EfiKeyFiFoForNotify, Key);\r | |
| 987 | gBS->SignalEvent (TerminalDevice->KeyNotifyProcessEvent);\r | |
| 4bc6ad39 RN |
988 | }\r |
| 989 | }\r | |
| 990 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
| 991 | //\r | |
| 992 | // Efi Key FIFO is full\r | |
| 993 | //\r | |
| 994 | return FALSE;\r | |
| 995 | }\r | |
| 996 | \r | |
| 997 | CopyMem (&TerminalDevice->EfiKeyFiFo->Data[Tail], Key, sizeof (EFI_INPUT_KEY));\r | |
| 998 | \r | |
| 999 | TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
| 1000 | \r | |
| 1001 | return TRUE;\r | |
| 1002 | }\r | |
| 1003 | \r | |
| 1004 | /**\r | |
| 1005 | Remove one pre-fetched key out of the FIFO buffer.\r | |
| 1006 | \r | |
| 1007 | @param TerminalDevice Terminal driver private structure.\r | |
| 1008 | @param Output The key will be removed.\r | |
| 1009 | \r | |
| 1010 | @retval TRUE If insert successfully.\r | |
| f07ccd05 | 1011 | @retval FALSE If FIFO buffer is empty before remove operation.\r |
| 4bc6ad39 RN |
1012 | \r |
| 1013 | **/\r | |
| 1014 | BOOLEAN\r | |
| 1015 | EfiKeyFiFoRemoveOneKey (\r | |
| 1016 | TERMINAL_DEV *TerminalDevice,\r | |
| 1017 | EFI_INPUT_KEY *Output\r | |
| 1018 | )\r | |
| 1019 | {\r | |
| 1020 | UINT8 Head;\r | |
| 1021 | \r | |
| 1022 | Head = TerminalDevice->EfiKeyFiFo->Head;\r | |
| 1023 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r | |
| 1024 | \r | |
| 1025 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r | |
| 1026 | //\r | |
| 1027 | // FIFO is empty\r | |
| 1028 | //\r | |
| 1029 | Output->ScanCode = SCAN_NULL;\r | |
| 1030 | Output->UnicodeChar = 0;\r | |
| 1031 | return FALSE;\r | |
| 1032 | }\r | |
| 1033 | \r | |
| 35f910f0 | 1034 | CopyMem (Output, &TerminalDevice->EfiKeyFiFo->Data[Head], sizeof (EFI_INPUT_KEY));\r |
| 4bc6ad39 RN |
1035 | \r |
| 1036 | TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
| 1037 | \r | |
| 1038 | return TRUE;\r | |
| 1039 | }\r | |
| 1040 | \r | |
| 1041 | /**\r | |
| 1042 | Clarify whether FIFO buffer is empty.\r | |
| 1043 | \r | |
| 1044 | @param TerminalDevice Terminal driver private structure\r | |
| 1045 | \r | |
| 1046 | @retval TRUE If FIFO buffer is empty.\r | |
| f07ccd05 | 1047 | @retval FALSE If FIFO buffer is not empty.\r |
| 4bc6ad39 RN |
1048 | \r |
| 1049 | **/\r | |
| 1050 | BOOLEAN\r | |
| 1051 | IsEfiKeyFiFoEmpty (\r | |
| 1052 | TERMINAL_DEV *TerminalDevice\r | |
| 1053 | )\r | |
| 1054 | {\r | |
| 1055 | if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {\r | |
| 1056 | return TRUE;\r | |
| 1057 | } else {\r | |
| 1058 | return FALSE;\r | |
| 1059 | }\r | |
| 1060 | }\r | |
| 1061 | \r | |
| 1062 | /**\r | |
| 1063 | Clarify whether FIFO buffer is full.\r | |
| 1064 | \r | |
| 1065 | @param TerminalDevice Terminal driver private structure\r | |
| 1066 | \r | |
| 1067 | @retval TRUE If FIFO buffer is full.\r | |
| f07ccd05 | 1068 | @retval FALSE If FIFO buffer is not full.\r |
| 4bc6ad39 RN |
1069 | \r |
| 1070 | **/\r | |
| 1071 | BOOLEAN\r | |
| 1072 | IsEfiKeyFiFoFull (\r | |
| 1073 | TERMINAL_DEV *TerminalDevice\r | |
| 1074 | )\r | |
| 1075 | {\r | |
| 1076 | UINT8 Tail;\r | |
| 1077 | UINT8 Head;\r | |
| 1078 | \r | |
| 1079 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r | |
| 1080 | Head = TerminalDevice->EfiKeyFiFo->Head;\r | |
| 1081 | \r | |
| 1082 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
| 1083 | \r | |
| 1084 | return TRUE;\r | |
| 1085 | }\r | |
| 1086 | \r | |
| 1087 | return FALSE;\r | |
| 1088 | }\r | |
| 1089 | \r | |
| 1090 | /**\r | |
| 1091 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
| 1092 | \r | |
| 1093 | @param TerminalDevice Terminal driver private structure.\r | |
| 1094 | @param Input The key will be input.\r | |
| 1095 | \r | |
| 1096 | @retval TRUE If insert successfully.\r | |
| f07ccd05 | 1097 | @retval FALSE If Unicode FIFO buffer is full before key insertion,\r |
| 4bc6ad39 RN |
1098 | and the key is lost.\r |
| 1099 | \r | |
| 1100 | **/\r | |
| 1101 | BOOLEAN\r | |
| 1102 | UnicodeFiFoInsertOneKey (\r | |
| 1103 | TERMINAL_DEV *TerminalDevice,\r | |
| 1104 | UINT16 Input\r | |
| 1105 | )\r | |
| 1106 | {\r | |
| 1107 | UINT8 Tail;\r | |
| 1108 | \r | |
| 1109 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r | |
| 1110 | ASSERT (Tail < FIFO_MAX_NUMBER + 1);\r | |
| 1111 | \r | |
| 1112 | \r | |
| 1113 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r | |
| 1114 | //\r | |
| 1115 | // Unicode FIFO is full\r | |
| 1116 | //\r | |
| 1117 | return FALSE;\r | |
| 1118 | }\r | |
| 1119 | \r | |
| 1120 | TerminalDevice->UnicodeFiFo->Data[Tail] = Input;\r | |
| 1121 | \r | |
| 1122 | TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r | |
| 1123 | \r | |
| 1124 | return TRUE;\r | |
| 1125 | }\r | |
| 1126 | \r | |
| 1127 | /**\r | |
| 1128 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
| b80eed7d EL |
1129 | The caller should guarantee that Unicode FIFO buffer is not empty \r |
| 1130 | by IsUnicodeFiFoEmpty ().\r | |
| 4bc6ad39 RN |
1131 | \r |
| 1132 | @param TerminalDevice Terminal driver private structure.\r | |
| 1133 | @param Output The key will be removed.\r | |
| 1134 | \r | |
| 4bc6ad39 | 1135 | **/\r |
| b80eed7d | 1136 | VOID\r |
| 4bc6ad39 RN |
1137 | UnicodeFiFoRemoveOneKey (\r |
| 1138 | TERMINAL_DEV *TerminalDevice,\r | |
| 1139 | UINT16 *Output\r | |
| 1140 | )\r | |
| 1141 | {\r | |
| 1142 | UINT8 Head;\r | |
| 1143 | \r | |
| 1144 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
| 1145 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r | |
| 1146 | \r | |
| 4bc6ad39 RN |
1147 | *Output = TerminalDevice->UnicodeFiFo->Data[Head];\r |
| 1148 | \r | |
| 1149 | TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r | |
| 4bc6ad39 RN |
1150 | }\r |
| 1151 | \r | |
| 1152 | /**\r | |
| 1153 | Clarify whether Unicode FIFO buffer is empty.\r | |
| 1154 | \r | |
| 1155 | @param TerminalDevice Terminal driver private structure\r | |
| 1156 | \r | |
| 1157 | @retval TRUE If Unicode FIFO buffer is empty.\r | |
| f07ccd05 | 1158 | @retval FALSE If Unicode FIFO buffer is not empty.\r |
| 4bc6ad39 RN |
1159 | \r |
| 1160 | **/\r | |
| 1161 | BOOLEAN\r | |
| 1162 | IsUnicodeFiFoEmpty (\r | |
| 1163 | TERMINAL_DEV *TerminalDevice\r | |
| 1164 | )\r | |
| 1165 | {\r | |
| 1166 | if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {\r | |
| 1167 | return TRUE;\r | |
| 1168 | } else {\r | |
| 1169 | return FALSE;\r | |
| 1170 | }\r | |
| 1171 | }\r | |
| 1172 | \r | |
| 1173 | /**\r | |
| 1174 | Clarify whether Unicode FIFO buffer is full.\r | |
| 1175 | \r | |
| 1176 | @param TerminalDevice Terminal driver private structure\r | |
| 1177 | \r | |
| 1178 | @retval TRUE If Unicode FIFO buffer is full.\r | |
| f07ccd05 | 1179 | @retval FALSE If Unicode FIFO buffer is not full.\r |
| 4bc6ad39 RN |
1180 | \r |
| 1181 | **/\r | |
| 1182 | BOOLEAN\r | |
| 1183 | IsUnicodeFiFoFull (\r | |
| 1184 | TERMINAL_DEV *TerminalDevice\r | |
| 1185 | )\r | |
| 1186 | {\r | |
| 1187 | UINT8 Tail;\r | |
| 1188 | UINT8 Head;\r | |
| 1189 | \r | |
| 1190 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r | |
| 1191 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
| 1192 | \r | |
| 1193 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r | |
| 1194 | \r | |
| 1195 | return TRUE;\r | |
| 1196 | }\r | |
| 1197 | \r | |
| 1198 | return FALSE;\r | |
| 1199 | }\r | |
| 1200 | \r | |
| 1201 | /**\r | |
| 1202 | Count Unicode FIFO buffer.\r | |
| 1203 | \r | |
| 1204 | @param TerminalDevice Terminal driver private structure\r | |
| 1205 | \r | |
| 1206 | @return The count in bytes of Unicode FIFO.\r | |
| 1207 | \r | |
| 1208 | **/\r | |
| 1209 | UINT8\r | |
| 1210 | UnicodeFiFoGetKeyCount (\r | |
| 1211 | TERMINAL_DEV *TerminalDevice\r | |
| 1212 | )\r | |
| 1213 | {\r | |
| 1214 | UINT8 Tail;\r | |
| 1215 | UINT8 Head;\r | |
| 1216 | \r | |
| 1217 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r | |
| 1218 | Head = TerminalDevice->UnicodeFiFo->Head;\r | |
| 1219 | \r | |
| 1220 | if (Tail >= Head) {\r | |
| 1221 | return (UINT8) (Tail - Head);\r | |
| 1222 | } else {\r | |
| 1223 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r | |
| 1224 | }\r | |
| 1225 | }\r | |
| 1226 | \r | |
| 1227 | /**\r | |
| 1228 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r | |
| 1229 | \r | |
| 1230 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
| 1231 | \r | |
| 1232 | **/\r | |
| 1233 | VOID\r | |
| 1234 | UnicodeToEfiKeyFlushState (\r | |
| 1235 | IN TERMINAL_DEV *TerminalDevice\r | |
| 1236 | )\r | |
| 1237 | {\r | |
| 1238 | EFI_INPUT_KEY Key;\r | |
| 1239 | UINT32 InputState;\r | |
| 1240 | \r | |
| 1241 | InputState = TerminalDevice->InputState;\r | |
| 1242 | \r | |
| 1243 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
| 1244 | return;\r | |
| 1245 | }\r | |
| 1246 | \r | |
| 1247 | if ((InputState & INPUT_STATE_ESC) != 0) {\r | |
| 1248 | Key.ScanCode = SCAN_ESC;\r | |
| 1249 | Key.UnicodeChar = 0;\r | |
| 1250 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1251 | }\r | |
| 1252 | \r | |
| 1253 | if ((InputState & INPUT_STATE_CSI) != 0) {\r | |
| 1254 | Key.ScanCode = SCAN_NULL;\r | |
| 1255 | Key.UnicodeChar = CSI;\r | |
| 1256 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1257 | }\r | |
| 1258 | \r | |
| 1259 | if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r | |
| 1260 | Key.ScanCode = SCAN_NULL;\r | |
| 1261 | Key.UnicodeChar = LEFTOPENBRACKET;\r | |
| 1262 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1263 | }\r | |
| 1264 | \r | |
| 1265 | if ((InputState & INPUT_STATE_O) != 0) {\r | |
| 1266 | Key.ScanCode = SCAN_NULL;\r | |
| 1267 | Key.UnicodeChar = 'O';\r | |
| 1268 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1269 | }\r | |
| 1270 | \r | |
| 1271 | if ((InputState & INPUT_STATE_2) != 0) {\r | |
| 1272 | Key.ScanCode = SCAN_NULL;\r | |
| 1273 | Key.UnicodeChar = '2';\r | |
| 1274 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1275 | }\r | |
| 1276 | \r | |
| 1277 | //\r | |
| 1278 | // Cancel the timer.\r | |
| 1279 | //\r | |
| 1280 | gBS->SetTimer (\r | |
| 1281 | TerminalDevice->TwoSecondTimeOut,\r | |
| 1282 | TimerCancel,\r | |
| 1283 | 0\r | |
| 1284 | );\r | |
| 1285 | \r | |
| 1286 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
| 1287 | }\r | |
| 1288 | \r | |
| 1289 | \r | |
| 1290 | /**\r | |
| 1291 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
| 1292 | can be read through the Simple Input Protocol.\r | |
| 1293 | \r | |
| 1294 | The table below shows the keyboard input mappings that this function supports.\r | |
| 1295 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
| 1296 | into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw\r | |
| 1297 | key strokes are converted into EFI Keys.\r | |
| 1298 | \r | |
| 1299 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r | |
| 1300 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
| 1301 | converted into EFI Keys.\r | |
| 1302 | There is one special input sequence that will force the system to reset.\r | |
| 1303 | This is ESC R ESC r ESC R.\r | |
| 1304 | \r | |
| 1305 | Note: current implementation support terminal types include: PC ANSI, VT100+/VTUTF8, VT100. \r | |
| 1306 | The table below is not same with UEFI Spec 2.3 Appendix B Table 201(not support ANSI X3.64 /\r | |
| 1307 | DEC VT200-500 and extra support PC ANSI, VT100)since UEFI Table 201 is just an example.\r | |
| 1308 | \r | |
| 1309 | Symbols used in table below\r | |
| 1310 | ===========================\r | |
| 1311 | ESC = 0x1B\r | |
| 1312 | CSI = 0x9B\r | |
| 1313 | DEL = 0x7f\r | |
| 1314 | ^ = CTRL\r | |
| 1315 | \r | |
| 1316 | +=========+======+===========+==========+==========+\r | |
| 1317 | | | EFI | UEFI 2.0 | | |\r | |
| 1318 | | | Scan | | VT100+ | |\r | |
| 1319 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
| 1320 | +=========+======+===========+==========+==========+\r | |
| 1321 | | NULL | 0x00 | | | |\r | |
| 1322 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
| 1323 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
| 1324 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
| 1325 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
| 1326 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
| 1327 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
| 1328 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
| 1329 | | | | ESC [ L | | ESC [ L |\r | |
| 1330 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
| 1331 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
| 1332 | | | | | | ESC [ ? |\r | |
| 1333 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
| 1334 | | | | | | ESC [ / |\r | |
| 1335 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
| 1336 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
| 1337 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
| 1338 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
| 1339 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
| 1340 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
| 1341 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
| 1342 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
| 1343 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
| 1344 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
| 1345 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
| 1346 | | F11 | 0x15 | | ESC ! | |\r | |
| 1347 | | F12 | 0x16 | | ESC @ | |\r | |
| 1348 | +=========+======+===========+==========+==========+\r | |
| 1349 | \r | |
| 1350 | Special Mappings\r | |
| 1351 | ================\r | |
| 1352 | ESC R ESC r ESC R = Reset System\r | |
| 1353 | \r | |
| 1354 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
| 1355 | \r | |
| 1356 | **/\r | |
| 1357 | VOID\r | |
| 1358 | UnicodeToEfiKey (\r | |
| 1359 | IN TERMINAL_DEV *TerminalDevice\r | |
| 1360 | )\r | |
| 1361 | {\r | |
| 1362 | EFI_STATUS Status;\r | |
| 1363 | EFI_STATUS TimerStatus;\r | |
| 1364 | UINT16 UnicodeChar;\r | |
| 1365 | EFI_INPUT_KEY Key;\r | |
| 1366 | BOOLEAN SetDefaultResetState;\r | |
| 1367 | \r | |
| 1368 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
| 1369 | \r | |
| 1370 | if (!EFI_ERROR (TimerStatus)) {\r | |
| 1371 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1372 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1373 | }\r | |
| 1374 | \r | |
| 1375 | while (!IsUnicodeFiFoEmpty (TerminalDevice) && !IsEfiKeyFiFoFull (TerminalDevice)) {\r | |
| 1376 | \r | |
| 1377 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r | |
| 1378 | //\r | |
| 1379 | // Check to see if the 2 seconds timer has expired\r | |
| 1380 | //\r | |
| 1381 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r | |
| 1382 | if (!EFI_ERROR (TimerStatus)) {\r | |
| 1383 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1384 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1385 | }\r | |
| 1386 | }\r | |
| 1387 | \r | |
| 1388 | //\r | |
| 1389 | // Fetch one Unicode character from the Unicode FIFO\r | |
| 1390 | //\r | |
| 1391 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r | |
| 1392 | \r | |
| 1393 | SetDefaultResetState = TRUE;\r | |
| 1394 | \r | |
| 1395 | switch (TerminalDevice->InputState) {\r | |
| 1396 | case INPUT_STATE_DEFAULT:\r | |
| 1397 | \r | |
| 1398 | break;\r | |
| 1399 | \r | |
| 1400 | case INPUT_STATE_ESC:\r | |
| 1401 | \r | |
| 1402 | if (UnicodeChar == LEFTOPENBRACKET) {\r | |
| 1403 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r | |
| 1404 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1405 | continue;\r | |
| 1406 | }\r | |
| 1407 | \r | |
| 014f93ac RF |
1408 | if (UnicodeChar == 'O' && (TerminalDevice->TerminalType == VT100TYPE ||\r |
| 1409 | TerminalDevice->TerminalType == TTYTERMTYPE)) {\r | |
| 4bc6ad39 RN |
1410 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
| 1411 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1412 | continue;\r | |
| 1413 | }\r | |
| 1414 | \r | |
| 1415 | Key.ScanCode = SCAN_NULL;\r | |
| 1416 | \r | |
| 1417 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
| 1418 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r | |
| 1419 | switch (UnicodeChar) {\r | |
| 1420 | case '1':\r | |
| 1421 | Key.ScanCode = SCAN_F1;\r | |
| 1422 | break;\r | |
| 1423 | case '2':\r | |
| 1424 | Key.ScanCode = SCAN_F2;\r | |
| 1425 | break;\r | |
| 1426 | case '3':\r | |
| 1427 | Key.ScanCode = SCAN_F3;\r | |
| 1428 | break;\r | |
| 1429 | case '4':\r | |
| 1430 | Key.ScanCode = SCAN_F4;\r | |
| 1431 | break;\r | |
| 1432 | case '5':\r | |
| 1433 | Key.ScanCode = SCAN_F5;\r | |
| 1434 | break;\r | |
| 1435 | case '6':\r | |
| 1436 | Key.ScanCode = SCAN_F6;\r | |
| 1437 | break;\r | |
| 1438 | case '7':\r | |
| 1439 | Key.ScanCode = SCAN_F7;\r | |
| 1440 | break;\r | |
| 1441 | case '8':\r | |
| 1442 | Key.ScanCode = SCAN_F8;\r | |
| 1443 | break;\r | |
| 1444 | case '9':\r | |
| 1445 | Key.ScanCode = SCAN_F9;\r | |
| 1446 | break;\r | |
| 1447 | case '0':\r | |
| 1448 | Key.ScanCode = SCAN_F10;\r | |
| 1449 | break;\r | |
| 1450 | case '!':\r | |
| 1451 | Key.ScanCode = SCAN_F11;\r | |
| 1452 | break;\r | |
| 1453 | case '@':\r | |
| 1454 | Key.ScanCode = SCAN_F12;\r | |
| 1455 | break;\r | |
| 1456 | case 'h':\r | |
| 1457 | Key.ScanCode = SCAN_HOME;\r | |
| 1458 | break;\r | |
| 1459 | case 'k':\r | |
| 1460 | Key.ScanCode = SCAN_END;\r | |
| 1461 | break;\r | |
| 1462 | case '+':\r | |
| 1463 | Key.ScanCode = SCAN_INSERT;\r | |
| 1464 | break;\r | |
| 1465 | case '-':\r | |
| 1466 | Key.ScanCode = SCAN_DELETE;\r | |
| 1467 | break;\r | |
| 1468 | case '/':\r | |
| 1469 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
| 1470 | break;\r | |
| 1471 | case '?':\r | |
| 1472 | Key.ScanCode = SCAN_PAGE_UP;\r | |
| 1473 | break;\r | |
| 1474 | default :\r | |
| 1475 | break;\r | |
| 1476 | }\r | |
| 1477 | }\r | |
| 1478 | \r | |
| 1479 | switch (UnicodeChar) {\r | |
| 1480 | case 'R':\r | |
| 1481 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r | |
| 1482 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r | |
| 1483 | SetDefaultResetState = FALSE;\r | |
| 1484 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_R) {\r | |
| 1485 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r | |
| 1486 | }\r | |
| 1487 | Key.ScanCode = SCAN_NULL;\r | |
| 1488 | break;\r | |
| 1489 | case 'r':\r | |
| 1490 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r | |
| 1491 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_R;\r | |
| 1492 | SetDefaultResetState = FALSE;\r | |
| 1493 | }\r | |
| 1494 | Key.ScanCode = SCAN_NULL;\r | |
| 1495 | break;\r | |
| 1496 | default :\r | |
| 1497 | break;\r | |
| 1498 | }\r | |
| 1499 | \r | |
| 1500 | if (SetDefaultResetState) {\r | |
| 1501 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1502 | }\r | |
| 1503 | \r | |
| 1504 | if (Key.ScanCode != SCAN_NULL) {\r | |
| 1505 | Key.UnicodeChar = 0;\r | |
| 1506 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1507 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
| 1508 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1509 | continue;\r | |
| 1510 | }\r | |
| 1511 | \r | |
| 1512 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1513 | \r | |
| 1514 | break;\r | |
| 1515 | \r | |
| 1516 | case INPUT_STATE_ESC | INPUT_STATE_O:\r | |
| 1517 | \r | |
| 1518 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1519 | \r | |
| 1520 | Key.ScanCode = SCAN_NULL;\r | |
| 1521 | \r | |
| 1522 | if (TerminalDevice->TerminalType == VT100TYPE) {\r | |
| 1523 | switch (UnicodeChar) {\r | |
| 1524 | case 'P':\r | |
| 1525 | Key.ScanCode = SCAN_F1;\r | |
| 1526 | break;\r | |
| 1527 | case 'Q':\r | |
| 1528 | Key.ScanCode = SCAN_F2;\r | |
| 1529 | break;\r | |
| 1530 | case 'w':\r | |
| 1531 | Key.ScanCode = SCAN_F3;\r | |
| 1532 | break;\r | |
| 1533 | case 'x':\r | |
| 1534 | Key.ScanCode = SCAN_F4;\r | |
| 1535 | break;\r | |
| 1536 | case 't':\r | |
| 1537 | Key.ScanCode = SCAN_F5;\r | |
| 1538 | break;\r | |
| 1539 | case 'u':\r | |
| 1540 | Key.ScanCode = SCAN_F6;\r | |
| 1541 | break;\r | |
| 1542 | case 'q':\r | |
| 1543 | Key.ScanCode = SCAN_F7;\r | |
| 1544 | break;\r | |
| 1545 | case 'r':\r | |
| 1546 | Key.ScanCode = SCAN_F8;\r | |
| 1547 | break;\r | |
| 1548 | case 'p':\r | |
| 1549 | Key.ScanCode = SCAN_F9;\r | |
| 1550 | break;\r | |
| 1551 | case 'M':\r | |
| 1552 | Key.ScanCode = SCAN_F10;\r | |
| 1553 | break;\r | |
| 1554 | default :\r | |
| 1555 | break;\r | |
| 1556 | }\r | |
| 014f93ac | 1557 | } else if (TerminalDevice->TerminalType == TTYTERMTYPE) {\r |
| 1df81f6d | 1558 | /* Also accept VT100 escape codes for F1-F4, HOME and END for TTY term */\r |
| 014f93ac RF |
1559 | switch (UnicodeChar) {\r |
| 1560 | case 'P':\r | |
| 1561 | Key.ScanCode = SCAN_F1;\r | |
| 1562 | break;\r | |
| 1563 | case 'Q':\r | |
| 1564 | Key.ScanCode = SCAN_F2;\r | |
| 1565 | break;\r | |
| 1566 | case 'R':\r | |
| 1567 | Key.ScanCode = SCAN_F3;\r | |
| 1568 | break;\r | |
| 1569 | case 'S':\r | |
| 1570 | Key.ScanCode = SCAN_F4;\r | |
| 1571 | break;\r | |
| 1df81f6d BJ |
1572 | case 'H':\r |
| 1573 | Key.ScanCode = SCAN_HOME;\r | |
| 1574 | break;\r | |
| 1575 | case 'F':\r | |
| 1576 | Key.ScanCode = SCAN_END;\r | |
| 1577 | break;\r | |
| 014f93ac | 1578 | }\r |
| 4bc6ad39 RN |
1579 | }\r |
| 1580 | \r | |
| 1581 | if (Key.ScanCode != SCAN_NULL) {\r | |
| 1582 | Key.UnicodeChar = 0;\r | |
| 1583 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1584 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
| 1585 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1586 | continue;\r | |
| 1587 | }\r | |
| 1588 | \r | |
| 1589 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1590 | \r | |
| 1591 | break;\r | |
| 1592 | \r | |
| 1593 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r | |
| 1594 | \r | |
| 1595 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1596 | \r | |
| 1597 | Key.ScanCode = SCAN_NULL;\r | |
| 1598 | \r | |
| 1599 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r | |
| 1600 | TerminalDevice->TerminalType == VT100TYPE ||\r | |
| 1601 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r | |
| 6e3227c8 RF |
1602 | TerminalDevice->TerminalType == VTUTF8TYPE ||\r |
| 1603 | TerminalDevice->TerminalType == TTYTERMTYPE) {\r | |
| 4bc6ad39 RN |
1604 | switch (UnicodeChar) {\r |
| 1605 | case 'A':\r | |
| 1606 | Key.ScanCode = SCAN_UP;\r | |
| 1607 | break;\r | |
| 1608 | case 'B':\r | |
| 1609 | Key.ScanCode = SCAN_DOWN;\r | |
| 1610 | break;\r | |
| 1611 | case 'C':\r | |
| 1612 | Key.ScanCode = SCAN_RIGHT;\r | |
| 1613 | break;\r | |
| 1614 | case 'D':\r | |
| 1615 | Key.ScanCode = SCAN_LEFT;\r | |
| 1616 | break;\r | |
| 1617 | case 'H':\r | |
| 1618 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r | |
| 1df81f6d BJ |
1619 | TerminalDevice->TerminalType == VT100TYPE ||\r |
| 1620 | TerminalDevice->TerminalType == TTYTERMTYPE) {\r | |
| 4bc6ad39 RN |
1621 | Key.ScanCode = SCAN_HOME;\r |
| 1622 | }\r | |
| 1623 | break;\r | |
| 1624 | case 'F':\r | |
| 1df81f6d BJ |
1625 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
| 1626 | TerminalDevice->TerminalType == TTYTERMTYPE) {\r | |
| 4bc6ad39 RN |
1627 | Key.ScanCode = SCAN_END;\r |
| 1628 | }\r | |
| 1629 | break;\r | |
| 1630 | case 'K':\r | |
| 1631 | if (TerminalDevice->TerminalType == VT100TYPE) {\r | |
| 1632 | Key.ScanCode = SCAN_END;\r | |
| 1633 | }\r | |
| 1634 | break;\r | |
| 1635 | case 'L':\r | |
| 1636 | case '@':\r | |
| 1637 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r | |
| 1638 | TerminalDevice->TerminalType == VT100TYPE) {\r | |
| 1639 | Key.ScanCode = SCAN_INSERT;\r | |
| 1640 | }\r | |
| 1641 | break;\r | |
| 1642 | case 'X':\r | |
| 1643 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1644 | Key.ScanCode = SCAN_DELETE;\r | |
| 1645 | }\r | |
| 1646 | break;\r | |
| 1647 | case 'P':\r | |
| 1648 | if (TerminalDevice->TerminalType == VT100TYPE) {\r | |
| 1649 | Key.ScanCode = SCAN_DELETE;\r | |
| 1650 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1651 | Key.ScanCode = SCAN_F4;\r | |
| 1652 | }\r | |
| 1653 | break;\r | |
| 1654 | case 'I':\r | |
| 1655 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1656 | Key.ScanCode = SCAN_PAGE_UP;\r | |
| 1657 | }\r | |
| 1658 | break;\r | |
| 1659 | case 'V':\r | |
| 1660 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1661 | Key.ScanCode = SCAN_F10;\r | |
| 1662 | }\r | |
| bd07919c | 1663 | break;\r |
| 4bc6ad39 RN |
1664 | case '?':\r |
| 1665 | if (TerminalDevice->TerminalType == VT100TYPE) {\r | |
| 1666 | Key.ScanCode = SCAN_PAGE_UP;\r | |
| 1667 | }\r | |
| 1668 | break;\r | |
| 1669 | case 'G':\r | |
| 1670 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1671 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
| 1672 | }\r | |
| 1673 | break;\r | |
| 1674 | case 'U':\r | |
| 1675 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1676 | Key.ScanCode = SCAN_F9;\r | |
| 1677 | }\r | |
| bd07919c | 1678 | break;\r |
| 4bc6ad39 RN |
1679 | case '/':\r |
| 1680 | if (TerminalDevice->TerminalType == VT100TYPE) {\r | |
| 1681 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
| 1682 | }\r | |
| 1683 | break;\r | |
| 1684 | case 'M':\r | |
| 1685 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1686 | Key.ScanCode = SCAN_F1;\r | |
| 1687 | }\r | |
| 1688 | break;\r | |
| 1689 | case 'N':\r | |
| 1690 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1691 | Key.ScanCode = SCAN_F2;\r | |
| 1692 | }\r | |
| 1693 | break;\r | |
| 1694 | case 'O':\r | |
| 1695 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1696 | Key.ScanCode = SCAN_F3;\r | |
| 1697 | }\r | |
| 1698 | break;\r | |
| 1699 | case 'Q':\r | |
| 1700 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1701 | Key.ScanCode = SCAN_F5;\r | |
| 1702 | }\r | |
| 1703 | break;\r | |
| 1704 | case 'R':\r | |
| 1705 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1706 | Key.ScanCode = SCAN_F6;\r | |
| 1707 | }\r | |
| 1708 | break;\r | |
| 1709 | case 'S':\r | |
| 1710 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1711 | Key.ScanCode = SCAN_F7;\r | |
| 1712 | }\r | |
| 1713 | break;\r | |
| 1714 | case 'T':\r | |
| 1715 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r | |
| 1716 | Key.ScanCode = SCAN_F8;\r | |
| 1717 | }\r | |
| 1718 | break;\r | |
| 1719 | default :\r | |
| 1720 | break;\r | |
| 1721 | }\r | |
| 1722 | }\r | |
| 1723 | \r | |
| 014f93ac RF |
1724 | /*\r |
| 1725 | * The VT220 escape codes that the TTY terminal accepts all have\r | |
| 1726 | * numeric codes, and there are no ambiguous prefixes shared with\r | |
| 1727 | * other terminal types.\r | |
| 1728 | */\r | |
| 1729 | if (TerminalDevice->TerminalType == TTYTERMTYPE &&\r | |
| 1730 | Key.ScanCode == SCAN_NULL &&\r | |
| 1731 | UnicodeChar >= '0' &&\r | |
| 1732 | UnicodeChar <= '9') {\r | |
| 1733 | TerminalDevice->TtyEscapeStr[0] = UnicodeChar;\r | |
| 1734 | TerminalDevice->TtyEscapeIndex = 1;\r | |
| 1735 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET_2;\r | |
| 1736 | continue;\r | |
| 1737 | }\r | |
| 1738 | \r | |
| 4bc6ad39 RN |
1739 | if (Key.ScanCode != SCAN_NULL) {\r |
| 1740 | Key.UnicodeChar = 0;\r | |
| 1741 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1742 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
| 1743 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1744 | continue;\r | |
| 1745 | }\r | |
| 1746 | \r | |
| 1747 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1748 | \r | |
| 1749 | break;\r | |
| 1750 | \r | |
| 1751 | \r | |
| 014f93ac RF |
1752 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET | INPUT_STATE_LEFTOPENBRACKET_2:\r |
| 1753 | /*\r | |
| 1754 | * Here we handle the VT220 escape codes that we accept. This\r | |
| 1755 | * state is only used by the TTY terminal type.\r | |
| 1756 | */\r | |
| 1757 | Key.ScanCode = SCAN_NULL;\r | |
| 1758 | if (TerminalDevice->TerminalType == TTYTERMTYPE) {\r | |
| 1759 | \r | |
| 1760 | if (UnicodeChar == '~' && TerminalDevice->TtyEscapeIndex <= 2) {\r | |
| 5421247d | 1761 | UINT16 EscCode;\r |
| 014f93ac | 1762 | TerminalDevice->TtyEscapeStr[TerminalDevice->TtyEscapeIndex] = 0; /* Terminate string */\r |
| 5421247d | 1763 | EscCode = (UINT16) StrDecimalToUintn(TerminalDevice->TtyEscapeStr);\r |
| 014f93ac | 1764 | switch (EscCode) {\r |
| 1df81f6d BJ |
1765 | case 2:\r |
| 1766 | Key.ScanCode = SCAN_INSERT;\r | |
| 1767 | break;\r | |
| 014f93ac RF |
1768 | case 3:\r |
| 1769 | Key.ScanCode = SCAN_DELETE;\r | |
| 1770 | break;\r | |
| 1df81f6d BJ |
1771 | case 5:\r |
| 1772 | Key.ScanCode = SCAN_PAGE_UP;\r | |
| 1773 | break;\r | |
| 1774 | case 6:\r | |
| 1775 | Key.ScanCode = SCAN_PAGE_DOWN;\r | |
| 1776 | break;\r | |
| 014f93ac RF |
1777 | case 11:\r |
| 1778 | case 12:\r | |
| 1779 | case 13:\r | |
| 1780 | case 14:\r | |
| 1781 | case 15:\r | |
| 1782 | Key.ScanCode = SCAN_F1 + EscCode - 11;\r | |
| 1783 | break;\r | |
| 1784 | case 17:\r | |
| 1785 | case 18:\r | |
| 1786 | case 19:\r | |
| 1787 | case 20:\r | |
| 1788 | case 21:\r | |
| 1789 | Key.ScanCode = SCAN_F6 + EscCode - 17;\r | |
| 1790 | break;\r | |
| 1791 | case 23:\r | |
| 1792 | case 24:\r | |
| 1793 | Key.ScanCode = SCAN_F11 + EscCode - 23;\r | |
| 1794 | break;\r | |
| 1795 | default:\r | |
| 1796 | break;\r | |
| 1797 | }\r | |
| 1798 | } else if (TerminalDevice->TtyEscapeIndex == 1){\r | |
| 1799 | /* 2 character escape code */\r | |
| 1800 | TerminalDevice->TtyEscapeStr[TerminalDevice->TtyEscapeIndex++] = UnicodeChar;\r | |
| 1801 | continue;\r | |
| 1802 | }\r | |
| 1803 | else {\r | |
| 1804 | DEBUG ((EFI_D_ERROR, "Unexpected state in escape2\n"));\r | |
| 1805 | }\r | |
| 1806 | }\r | |
| 1807 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1808 | \r | |
| 1809 | if (Key.ScanCode != SCAN_NULL) {\r | |
| 1810 | Key.UnicodeChar = 0;\r | |
| 1811 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1812 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r | |
| 1813 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1814 | continue;\r | |
| 1815 | }\r | |
| 1816 | \r | |
| 1817 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1818 | break;\r | |
| 1819 | \r | |
| 4bc6ad39 RN |
1820 | default:\r |
| 1821 | //\r | |
| 1822 | // Invalid state. This should never happen.\r | |
| 1823 | //\r | |
| 1824 | ASSERT (FALSE);\r | |
| 1825 | \r | |
| 1826 | UnicodeToEfiKeyFlushState (TerminalDevice);\r | |
| 1827 | \r | |
| 1828 | break;\r | |
| 1829 | }\r | |
| 1830 | \r | |
| 1831 | if (UnicodeChar == ESC) {\r | |
| 1832 | TerminalDevice->InputState = INPUT_STATE_ESC;\r | |
| 1833 | }\r | |
| 1834 | \r | |
| 1835 | if (UnicodeChar == CSI) {\r | |
| 1836 | TerminalDevice->InputState = INPUT_STATE_CSI;\r | |
| 1837 | }\r | |
| 1838 | \r | |
| 1839 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r | |
| 1840 | Status = gBS->SetTimer(\r | |
| 1841 | TerminalDevice->TwoSecondTimeOut,\r | |
| 1842 | TimerRelative,\r | |
| 1843 | (UINT64)20000000\r | |
| 1844 | );\r | |
| 1845 | ASSERT_EFI_ERROR (Status);\r | |
| 1846 | continue;\r | |
| 1847 | }\r | |
| 1848 | \r | |
| 1849 | if (SetDefaultResetState) {\r | |
| 1850 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r | |
| 1851 | }\r | |
| 1852 | \r | |
| 1853 | if (UnicodeChar == DEL) {\r | |
| 34098df2 RF |
1854 | if (TerminalDevice->TerminalType == TTYTERMTYPE) {\r |
| 1855 | Key.ScanCode = SCAN_NULL;\r | |
| 1856 | Key.UnicodeChar = CHAR_BACKSPACE;\r | |
| 1857 | }\r | |
| 1858 | else {\r | |
| 1859 | Key.ScanCode = SCAN_DELETE;\r | |
| 1860 | Key.UnicodeChar = 0;\r | |
| 1861 | }\r | |
| 4bc6ad39 RN |
1862 | } else {\r |
| 1863 | Key.ScanCode = SCAN_NULL;\r | |
| 1864 | Key.UnicodeChar = UnicodeChar;\r | |
| 1865 | }\r | |
| 1866 | \r | |
| 1867 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r | |
| 1868 | }\r | |
| 1869 | }\r |