| | 1 | /** @file\r |
| | 2 | Implementation for EFI_SIMPLE_TEXT_INPUT_PROTOCOL protocol.\r |
| | 3 | \r |
| | 4 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
| | 5 | 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 |
| | 12 | \r |
| | 13 | **/\r |
| | 14 | \r |
| | 15 | #include "Terminal.h"\r |
| | 16 | \r |
| | 17 | \r |
| | 18 | /**\r |
| | 19 | Reads the next keystroke from the input device. The WaitForKey Event can\r |
| | 20 | be used to test for existence of a keystroke via WaitForEvent () call.\r |
| | 21 | \r |
| | 22 | @param TerminalDevice Terminal driver private structure\r |
| | 23 | @param KeyData A pointer to a buffer that is filled in with the\r |
| | 24 | keystroke state data for the key that was\r |
| | 25 | pressed.\r |
| | 26 | \r |
| | 27 | @retval EFI_SUCCESS The keystroke information was returned.\r |
| | 28 | @retval EFI_NOT_READY There was no keystroke data available.\r |
| | 29 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r |
| | 30 | \r |
| | 31 | **/\r |
| | 32 | EFI_STATUS\r |
| | 33 | ReadKeyStrokeWorker (\r |
| | 34 | IN TERMINAL_DEV *TerminalDevice,\r |
| | 35 | OUT EFI_KEY_DATA *KeyData\r |
| | 36 | )\r |
| | 37 | {\r |
| | 38 | if (KeyData == NULL) {\r |
| | 39 | return EFI_INVALID_PARAMETER;\r |
| | 40 | }\r |
| | 41 | \r |
| | 42 | if (!EfiKeyFiFoRemoveOneKey (TerminalDevice, &KeyData->Key)) {\r |
| | 43 | return EFI_NOT_READY;\r |
| | 44 | }\r |
| | 45 | \r |
| | 46 | KeyData->KeyState.KeyShiftState = 0;\r |
| | 47 | KeyData->KeyState.KeyToggleState = 0;\r |
| | 48 | \r |
| | 49 | \r |
| | 50 | return EFI_SUCCESS;\r |
| | 51 | \r |
| | 52 | }\r |
| | 53 | \r |
| | 54 | /**\r |
| | 55 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r |
| | 56 | This driver only perform dependent serial device reset regardless of\r |
| | 57 | the value of ExtendeVerification\r |
| | 58 | \r |
| | 59 | @param This Indicates the calling context.\r |
| | 60 | @param ExtendedVerification Skip by this driver.\r |
| | 61 | \r |
| | 62 | @retval EFI_SUCCESS The reset operation succeeds.\r |
| | 63 | @retval EFI_DEVICE_ERROR The dependent serial port reset fails.\r |
| | 64 | \r |
| | 65 | **/\r |
| | 66 | EFI_STATUS\r |
| | 67 | EFIAPI\r |
| | 68 | TerminalConInReset (\r |
| | 69 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r |
| | 70 | IN BOOLEAN ExtendedVerification\r |
| | 71 | )\r |
| | 72 | {\r |
| | 73 | EFI_STATUS Status;\r |
| | 74 | TERMINAL_DEV *TerminalDevice;\r |
| | 75 | \r |
| | 76 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r |
| | 77 | \r |
| | 78 | //\r |
| | 79 | // Report progress code here\r |
| | 80 | //\r |
| | 81 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| | 82 | EFI_PROGRESS_CODE,\r |
| | 83 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_PC_RESET),\r |
| | 84 | TerminalDevice->DevicePath\r |
| | 85 | );\r |
| | 86 | \r |
| | 87 | Status = TerminalDevice->SerialIo->Reset (TerminalDevice->SerialIo);\r |
| | 88 | \r |
| | 89 | //\r |
| | 90 | // Make all the internal buffer empty for keys\r |
| | 91 | //\r |
| | 92 | TerminalDevice->RawFiFo->Head = TerminalDevice->RawFiFo->Tail;\r |
| | 93 | TerminalDevice->UnicodeFiFo->Head = TerminalDevice->UnicodeFiFo->Tail;\r |
| | 94 | TerminalDevice->EfiKeyFiFo->Head = TerminalDevice->EfiKeyFiFo->Tail;\r |
| | 95 | \r |
| | 96 | if (EFI_ERROR (Status)) {\r |
| | 97 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| | 98 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r |
| | 99 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_CONTROLLER_ERROR),\r |
| | 100 | TerminalDevice->DevicePath\r |
| | 101 | );\r |
| | 102 | }\r |
| | 103 | \r |
| | 104 | return Status;\r |
| | 105 | }\r |
| | 106 | \r |
| | 107 | /**\r |
| | 108 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r |
| | 109 | \r |
| | 110 | @param This Indicates the calling context.\r |
| | 111 | @param Key A pointer to a buffer that is filled in with the\r |
| | 112 | keystroke information for the key that was sent\r |
| | 113 | from terminal.\r |
| | 114 | \r |
| | 115 | @retval EFI_SUCCESS The keystroke information is returned successfully.\r |
| | 116 | @retval EFI_NOT_READY There is no keystroke data available.\r |
| | 117 | @retval EFI_DEVICE_ERROR The dependent serial device encounters error.\r |
| | 118 | \r |
| | 119 | **/\r |
| | 120 | EFI_STATUS\r |
| | 121 | EFIAPI\r |
| | 122 | TerminalConInReadKeyStroke (\r |
| | 123 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r |
| | 124 | OUT EFI_INPUT_KEY *Key\r |
| | 125 | )\r |
| | 126 | {\r |
| | 127 | TERMINAL_DEV *TerminalDevice;\r |
| | 128 | EFI_STATUS Status;\r |
| | 129 | EFI_KEY_DATA KeyData;\r |
| | 130 | \r |
| | 131 | //\r |
| | 132 | // get TERMINAL_DEV from "This" parameter.\r |
| | 133 | //\r |
| | 134 | TerminalDevice = TERMINAL_CON_IN_DEV_FROM_THIS (This);\r |
| | 135 | \r |
| | 136 | Status = ReadKeyStrokeWorker (TerminalDevice, &KeyData);\r |
| | 137 | if (EFI_ERROR (Status)) {\r |
| | 138 | return Status;\r |
| | 139 | }\r |
| | 140 | \r |
| | 141 | CopyMem (Key, &KeyData.Key, sizeof (EFI_INPUT_KEY));\r |
| | 142 | \r |
| | 143 | return EFI_SUCCESS;\r |
| | 144 | \r |
| | 145 | }\r |
| | 146 | \r |
| | 147 | /**\r |
| | 148 | Check if the key already has been registered.\r |
| | 149 | \r |
| | 150 | If both RegsiteredData and InputData is NULL, then ASSERT().\r |
| | 151 | \r |
| | 152 | @param RegsiteredData A pointer to a buffer that is filled in with the\r |
| | 153 | keystroke state data for the key that was\r |
| | 154 | registered.\r |
| | 155 | @param InputData A pointer to a buffer that is filled in with the\r |
| | 156 | keystroke state data for the key that was\r |
| | 157 | pressed.\r |
| | 158 | \r |
| | 159 | @retval TRUE Key be pressed matches a registered key.\r |
| | 160 | @retval FLASE Match failed.\r |
| | 161 | \r |
| | 162 | **/\r |
| | 163 | BOOLEAN\r |
| | 164 | IsKeyRegistered (\r |
| | 165 | IN EFI_KEY_DATA *RegsiteredData,\r |
| | 166 | IN EFI_KEY_DATA *InputData\r |
| | 167 | )\r |
| | 168 | {\r |
| | 169 | ASSERT (RegsiteredData != NULL && InputData != NULL);\r |
| | 170 | \r |
| | 171 | if ((RegsiteredData->Key.ScanCode != InputData->Key.ScanCode) ||\r |
| | 172 | (RegsiteredData->Key.UnicodeChar != InputData->Key.UnicodeChar)) {\r |
| | 173 | return FALSE;\r |
| | 174 | }\r |
| | 175 | \r |
| | 176 | return TRUE;\r |
| | 177 | }\r |
| | 178 | \r |
| | 179 | \r |
| | 180 | \r |
| | 181 | /**\r |
| | 182 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r |
| | 183 | Signal the event if there is key available\r |
| | 184 | \r |
| | 185 | @param Event Indicates the event that invoke this function.\r |
| | 186 | @param Context Indicates the calling context.\r |
| | 187 | \r |
| | 188 | **/\r |
| | 189 | VOID\r |
| | 190 | EFIAPI\r |
| | 191 | TerminalConInWaitForKeyEx (\r |
| | 192 | IN EFI_EVENT Event,\r |
| | 193 | IN VOID *Context\r |
| | 194 | )\r |
| | 195 | {\r |
| | 196 | TerminalConInWaitForKey (Event, Context);\r |
| | 197 | }\r |
| | 198 | \r |
| | 199 | //\r |
| | 200 | // Simple Text Input Ex protocol functions\r |
| | 201 | //\r |
| | 202 | \r |
| | 203 | /**\r |
| | 204 | Reset the input device and optionally run diagnostics\r |
| | 205 | \r |
| | 206 | @param This Protocol instance pointer.\r |
| | 207 | @param ExtendedVerification Driver may perform diagnostics on reset.\r |
| | 208 | \r |
| | 209 | @retval EFI_SUCCESS The device was reset.\r |
| | 210 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r |
| | 211 | not be reset.\r |
| | 212 | \r |
| | 213 | **/\r |
| | 214 | EFI_STATUS\r |
| | 215 | EFIAPI\r |
| | 216 | TerminalConInResetEx (\r |
| | 217 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r |
| | 218 | IN BOOLEAN ExtendedVerification\r |
| | 219 | )\r |
| | 220 | {\r |
| | 221 | EFI_STATUS Status;\r |
| | 222 | TERMINAL_DEV *TerminalDevice;\r |
| | 223 | \r |
| | 224 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r |
| | 225 | \r |
| | 226 | Status = TerminalDevice->SimpleInput.Reset (&TerminalDevice->SimpleInput, ExtendedVerification);\r |
| | 227 | if (EFI_ERROR (Status)) {\r |
| | 228 | return EFI_DEVICE_ERROR;\r |
| | 229 | }\r |
| | 230 | \r |
| | 231 | return EFI_SUCCESS;\r |
| | 232 | \r |
| | 233 | }\r |
| | 234 | \r |
| | 235 | \r |
| | 236 | /**\r |
| | 237 | Reads the next keystroke from the input device. The WaitForKey Event can\r |
| | 238 | be used to test for existence of a keystroke via WaitForEvent () call.\r |
| | 239 | \r |
| | 240 | @param This Protocol instance pointer.\r |
| | 241 | @param KeyData A pointer to a buffer that is filled in with the\r |
| | 242 | keystroke state data for the key that was\r |
| | 243 | pressed.\r |
| | 244 | \r |
| | 245 | @retval EFI_SUCCESS The keystroke information was returned.\r |
| | 246 | @retval EFI_NOT_READY There was no keystroke data available.\r |
| | 247 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r |
| | 248 | to hardware errors.\r |
| | 249 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r |
| | 250 | \r |
| | 251 | **/\r |
| | 252 | EFI_STATUS\r |
| | 253 | EFIAPI\r |
| | 254 | TerminalConInReadKeyStrokeEx (\r |
| | 255 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r |
| | 256 | OUT EFI_KEY_DATA *KeyData\r |
| | 257 | )\r |
| | 258 | {\r |
| | 259 | TERMINAL_DEV *TerminalDevice;\r |
| | 260 | \r |
| | 261 | if (KeyData == NULL) {\r |
| | 262 | return EFI_INVALID_PARAMETER;\r |
| | 263 | }\r |
| | 264 | \r |
| | 265 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r |
| | 266 | \r |
| | 267 | return ReadKeyStrokeWorker (TerminalDevice, KeyData);\r |
| | 268 | \r |
| | 269 | }\r |
| | 270 | \r |
| | 271 | \r |
| | 272 | /**\r |
| | 273 | Set certain state for the input device.\r |
| | 274 | \r |
| | 275 | @param This Protocol instance pointer.\r |
| | 276 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r |
| | 277 | state for the input device.\r |
| | 278 | \r |
| | 279 | @retval EFI_SUCCESS The device state was set successfully.\r |
| | 280 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r |
| | 281 | could not have the setting adjusted.\r |
| | 282 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r |
| | 283 | state.\r |
| | 284 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r |
| | 285 | \r |
| | 286 | **/\r |
| | 287 | EFI_STATUS\r |
| | 288 | EFIAPI\r |
| | 289 | TerminalConInSetState (\r |
| | 290 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r |
| | 291 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r |
| | 292 | )\r |
| | 293 | {\r |
| | 294 | if (KeyToggleState == NULL) {\r |
| | 295 | return EFI_INVALID_PARAMETER;\r |
| | 296 | }\r |
| | 297 | \r |
| | 298 | return EFI_SUCCESS;\r |
| | 299 | }\r |
| | 300 | \r |
| | 301 | \r |
| | 302 | /**\r |
| | 303 | Register a notification function for a particular keystroke for the input device.\r |
| | 304 | \r |
| | 305 | @param This Protocol instance pointer.\r |
| | 306 | @param KeyData A pointer to a buffer that is filled in with the\r |
| | 307 | keystroke information data for the key that was\r |
| | 308 | pressed.\r |
| | 309 | @param KeyNotificationFunction Points to the function to be called when the key\r |
| | 310 | sequence is typed specified by KeyData.\r |
| | 311 | @param NotifyHandle Points to the unique handle assigned to the\r |
| | 312 | registered notification.\r |
| | 313 | \r |
| | 314 | @retval EFI_SUCCESS The notification function was registered\r |
| | 315 | successfully.\r |
| | 316 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necessary data\r |
| | 317 | structures.\r |
| | 318 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r |
| | 319 | \r |
| | 320 | **/\r |
| | 321 | EFI_STATUS\r |
| | 322 | EFIAPI\r |
| | 323 | TerminalConInRegisterKeyNotify (\r |
| | 324 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r |
| | 325 | IN EFI_KEY_DATA *KeyData,\r |
| | 326 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r |
| | 327 | OUT EFI_HANDLE *NotifyHandle\r |
| | 328 | )\r |
| | 329 | {\r |
| | 330 | TERMINAL_DEV *TerminalDevice;\r |
| | 331 | TERMINAL_CONSOLE_IN_EX_NOTIFY *NewNotify;\r |
| | 332 | LIST_ENTRY *Link;\r |
| | 333 | LIST_ENTRY *NotifyList;\r |
| | 334 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
| | 335 | \r |
| | 336 | if (KeyData == NULL || NotifyHandle == NULL || KeyNotificationFunction == NULL) {\r |
| | 337 | return EFI_INVALID_PARAMETER;\r |
| | 338 | }\r |
| | 339 | \r |
| | 340 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r |
| | 341 | \r |
| | 342 | //\r |
| | 343 | // Return EFI_SUCCESS if the (KeyData, NotificationFunction) is already registered.\r |
| | 344 | //\r |
| | 345 | NotifyList = &TerminalDevice->NotifyList;\r |
| | 346 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r |
| | 347 | CurrentNotify = CR (\r |
| | 348 | Link,\r |
| | 349 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r |
| | 350 | NotifyEntry,\r |
| | 351 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
| | 352 | );\r |
| | 353 | if (IsKeyRegistered (&CurrentNotify->KeyData, KeyData)) {\r |
| | 354 | if (CurrentNotify->KeyNotificationFn == KeyNotificationFunction) {\r |
| | 355 | *NotifyHandle = CurrentNotify->NotifyHandle;\r |
| | 356 | return EFI_SUCCESS;\r |
| | 357 | }\r |
| | 358 | }\r |
| | 359 | }\r |
| | 360 | \r |
| | 361 | //\r |
| | 362 | // Allocate resource to save the notification function\r |
| | 363 | //\r |
| | 364 | NewNotify = (TERMINAL_CONSOLE_IN_EX_NOTIFY *) AllocateZeroPool (sizeof (TERMINAL_CONSOLE_IN_EX_NOTIFY));\r |
| | 365 | if (NewNotify == NULL) {\r |
| | 366 | return EFI_OUT_OF_RESOURCES;\r |
| | 367 | }\r |
| | 368 | \r |
| | 369 | NewNotify->Signature = TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE;\r |
| | 370 | NewNotify->KeyNotificationFn = KeyNotificationFunction;\r |
| | 371 | NewNotify->NotifyHandle = (EFI_HANDLE) NewNotify;\r |
| | 372 | CopyMem (&NewNotify->KeyData, KeyData, sizeof (KeyData));\r |
| | 373 | InsertTailList (&TerminalDevice->NotifyList, &NewNotify->NotifyEntry);\r |
| | 374 | \r |
| | 375 | *NotifyHandle = NewNotify->NotifyHandle;\r |
| | 376 | \r |
| | 377 | return EFI_SUCCESS;\r |
| | 378 | }\r |
| | 379 | \r |
| | 380 | \r |
| | 381 | /**\r |
| | 382 | Remove a registered notification function from a particular keystroke.\r |
| | 383 | \r |
| | 384 | @param This Protocol instance pointer.\r |
| | 385 | @param NotificationHandle The handle of the notification function being\r |
| | 386 | unregistered.\r |
| | 387 | \r |
| | 388 | @retval EFI_SUCCESS The notification function was unregistered\r |
| | 389 | successfully.\r |
| | 390 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r |
| | 391 | \r |
| | 392 | **/\r |
| | 393 | EFI_STATUS\r |
| | 394 | EFIAPI\r |
| | 395 | TerminalConInUnregisterKeyNotify (\r |
| | 396 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r |
| | 397 | IN EFI_HANDLE NotificationHandle\r |
| | 398 | )\r |
| | 399 | {\r |
| | 400 | TERMINAL_DEV *TerminalDevice;\r |
| | 401 | LIST_ENTRY *Link;\r |
| | 402 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
| | 403 | LIST_ENTRY *NotifyList;\r |
| | 404 | \r |
| | 405 | if (NotificationHandle == NULL) {\r |
| | 406 | return EFI_INVALID_PARAMETER;\r |
| | 407 | }\r |
| | 408 | \r |
| | 409 | if (((TERMINAL_CONSOLE_IN_EX_NOTIFY *) NotificationHandle)->Signature != TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE) {\r |
| | 410 | return EFI_INVALID_PARAMETER;\r |
| | 411 | } \r |
| | 412 | \r |
| | 413 | TerminalDevice = TERMINAL_CON_IN_EX_DEV_FROM_THIS (This);\r |
| | 414 | \r |
| | 415 | NotifyList = &TerminalDevice->NotifyList;\r |
| | 416 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r |
| | 417 | CurrentNotify = CR (\r |
| | 418 | Link,\r |
| | 419 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r |
| | 420 | NotifyEntry,\r |
| | 421 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
| | 422 | );\r |
| | 423 | if (CurrentNotify->NotifyHandle == NotificationHandle) {\r |
| | 424 | //\r |
| | 425 | // Remove the notification function from NotifyList and free resources\r |
| | 426 | //\r |
| | 427 | RemoveEntryList (&CurrentNotify->NotifyEntry);\r |
| | 428 | \r |
| | 429 | gBS->FreePool (CurrentNotify);\r |
| | 430 | return EFI_SUCCESS;\r |
| | 431 | }\r |
| | 432 | }\r |
| | 433 | \r |
| | 434 | //\r |
| | 435 | // Can not find the matching entry in database.\r |
| | 436 | //\r |
| | 437 | return EFI_INVALID_PARAMETER;\r |
| | 438 | }\r |
| | 439 | \r |
| | 440 | /**\r |
| | 441 | Translate raw data into Unicode (according to different encode), and\r |
| | 442 | translate Unicode into key information. (according to different standard).\r |
| | 443 | \r |
| | 444 | @param TerminalDevice Terminal driver private structure.\r |
| | 445 | \r |
| | 446 | **/\r |
| | 447 | VOID\r |
| | 448 | TranslateRawDataToEfiKey (\r |
| | 449 | IN TERMINAL_DEV *TerminalDevice\r |
| | 450 | )\r |
| | 451 | {\r |
| | 452 | switch (TerminalDevice->TerminalType) {\r |
| | 453 | \r |
| | 454 | case PCANSITYPE:\r |
| | 455 | case VT100TYPE:\r |
| | 456 | case VT100PLUSTYPE:\r |
| | 457 | AnsiRawDataToUnicode (TerminalDevice);\r |
| | 458 | UnicodeToEfiKey (TerminalDevice);\r |
| | 459 | break;\r |
| | 460 | \r |
| | 461 | case VTUTF8TYPE:\r |
| | 462 | //\r |
| | 463 | // Process all the raw data in the RawFIFO,\r |
| | 464 | // put the processed key into UnicodeFIFO.\r |
| | 465 | //\r |
| | 466 | VTUTF8RawDataToUnicode (TerminalDevice);\r |
| | 467 | \r |
| | 468 | //\r |
| | 469 | // Translate all the Unicode data in the UnicodeFIFO to Efi key,\r |
| | 470 | // then put into EfiKeyFIFO.\r |
| | 471 | //\r |
| | 472 | UnicodeToEfiKey (TerminalDevice);\r |
| | 473 | \r |
| | 474 | break;\r |
| | 475 | }\r |
| | 476 | }\r |
| | 477 | \r |
| | 478 | /**\r |
| | 479 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r |
| | 480 | Signal the event if there is key available\r |
| | 481 | \r |
| | 482 | @param Event Indicates the event that invoke this function.\r |
| | 483 | @param Context Indicates the calling context.\r |
| | 484 | \r |
| | 485 | **/\r |
| | 486 | VOID\r |
| | 487 | EFIAPI\r |
| | 488 | TerminalConInWaitForKey (\r |
| | 489 | IN EFI_EVENT Event,\r |
| | 490 | IN VOID *Context\r |
| | 491 | )\r |
| | 492 | {\r |
| | 493 | //\r |
| | 494 | // Someone is waiting on the keystroke event, if there's\r |
| | 495 | // a key pending, signal the event\r |
| | 496 | //\r |
| | 497 | if (!IsEfiKeyFiFoEmpty ((TERMINAL_DEV *) Context)) {\r |
| | 498 | \r |
| | 499 | gBS->SignalEvent (Event);\r |
| | 500 | }\r |
| | 501 | }\r |
| | 502 | \r |
| | 503 | /**\r |
| | 504 | Timer handler to poll the key from serial.\r |
| | 505 | \r |
| | 506 | @param Event Indicates the event that invoke this function.\r |
| | 507 | @param Context Indicates the calling context.\r |
| | 508 | **/\r |
| | 509 | VOID\r |
| | 510 | EFIAPI\r |
| | 511 | TerminalConInTimerHandler (\r |
| | 512 | IN EFI_EVENT Event,\r |
| | 513 | IN VOID *Context\r |
| | 514 | )\r |
| | 515 | {\r |
| | 516 | EFI_STATUS Status;\r |
| | 517 | TERMINAL_DEV *TerminalDevice;\r |
| | 518 | UINT8 Input;\r |
| | 519 | EFI_SERIAL_IO_MODE *Mode;\r |
| | 520 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r |
| | 521 | UINTN SerialInTimeOut;\r |
| | 522 | \r |
| | 523 | TerminalDevice = (TERMINAL_DEV *) Context;\r |
| | 524 | \r |
| | 525 | SerialIo = TerminalDevice->SerialIo;\r |
| | 526 | if (SerialIo == NULL) {\r |
| | 527 | return ;\r |
| | 528 | }\r |
| | 529 | //\r |
| | 530 | // if current timeout value for serial device is not identical with\r |
| | 531 | // the value saved in TERMINAL_DEV structure, then recalculate the\r |
| | 532 | // timeout value again and set serial attribute according to this value.\r |
| | 533 | //\r |
| | 534 | Mode = SerialIo->Mode;\r |
| | 535 | if (Mode->Timeout != TerminalDevice->SerialInTimeOut) {\r |
| | 536 | \r |
| | 537 | SerialInTimeOut = 0;\r |
| | 538 | if (Mode->BaudRate != 0) {\r |
| | 539 | //\r |
| | 540 | // According to BAUD rate to calculate the timeout value.\r |
| | 541 | //\r |
| | 542 | SerialInTimeOut = (1 + Mode->DataBits + Mode->StopBits) * 2 * 1000000 / (UINTN) Mode->BaudRate;\r |
| | 543 | }\r |
| | 544 | \r |
| | 545 | Status = SerialIo->SetAttributes (\r |
| | 546 | SerialIo,\r |
| | 547 | Mode->BaudRate,\r |
| | 548 | Mode->ReceiveFifoDepth,\r |
| | 549 | (UINT32) SerialInTimeOut,\r |
| | 550 | (EFI_PARITY_TYPE) (Mode->Parity),\r |
| | 551 | (UINT8) Mode->DataBits,\r |
| | 552 | (EFI_STOP_BITS_TYPE) (Mode->StopBits)\r |
| | 553 | );\r |
| | 554 | \r |
| | 555 | if (EFI_ERROR (Status)) {\r |
| | 556 | TerminalDevice->SerialInTimeOut = 0;\r |
| | 557 | } else {\r |
| | 558 | TerminalDevice->SerialInTimeOut = SerialInTimeOut;\r |
| | 559 | }\r |
| | 560 | }\r |
| | 561 | \r |
| | 562 | //\r |
| | 563 | // Fetch all the keys in the serial buffer,\r |
| | 564 | // and insert the byte stream into RawFIFO.\r |
| | 565 | //\r |
| | 566 | do {\r |
| | 567 | \r |
| | 568 | Status = GetOneKeyFromSerial (TerminalDevice->SerialIo, &Input);\r |
| | 569 | \r |
| | 570 | if (EFI_ERROR (Status)) {\r |
| | 571 | if (Status == EFI_DEVICE_ERROR) {\r |
| | 572 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r |
| | 573 | EFI_ERROR_CODE | EFI_ERROR_MINOR,\r |
| | 574 | (EFI_PERIPHERAL_REMOTE_CONSOLE | EFI_P_EC_INPUT_ERROR),\r |
| | 575 | TerminalDevice->DevicePath\r |
| | 576 | );\r |
| | 577 | }\r |
| | 578 | break;\r |
| | 579 | }\r |
| | 580 | \r |
| | 581 | RawFiFoInsertOneKey (TerminalDevice, Input);\r |
| | 582 | } while (TRUE);\r |
| | 583 | \r |
| | 584 | //\r |
| | 585 | // Translate all the raw data in RawFIFO into EFI Key,\r |
| | 586 | // according to different terminal type supported.\r |
| | 587 | //\r |
| | 588 | TranslateRawDataToEfiKey (TerminalDevice);\r |
| | 589 | }\r |
| | 590 | \r |
| | 591 | /**\r |
| | 592 | Get one key out of serial buffer.\r |
| | 593 | \r |
| | 594 | @param SerialIo Serial I/O protocol attached to the serial device.\r |
| | 595 | @param Output The fetched key.\r |
| | 596 | \r |
| | 597 | @retval EFI_NOT_READY If serial buffer is empty.\r |
| | 598 | @retval EFI_DEVICE_ERROR If reading serial buffer encounter error.\r |
| | 599 | @retval EFI_SUCCESS If reading serial buffer successfully, put\r |
| | 600 | the fetched key to the parameter output.\r |
| | 601 | \r |
| | 602 | **/\r |
| | 603 | EFI_STATUS\r |
| | 604 | GetOneKeyFromSerial (\r |
| | 605 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r |
| | 606 | UINT8 *Output\r |
| | 607 | )\r |
| | 608 | {\r |
| | 609 | EFI_STATUS Status;\r |
| | 610 | UINTN Size;\r |
| | 611 | \r |
| | 612 | Size = 1;\r |
| | 613 | *Output = 0;\r |
| | 614 | \r |
| | 615 | //\r |
| | 616 | // Read one key from serial I/O device.\r |
| | 617 | //\r |
| | 618 | Status = SerialIo->Read (SerialIo, &Size, Output);\r |
| | 619 | \r |
| | 620 | if (EFI_ERROR (Status)) {\r |
| | 621 | \r |
| | 622 | if (Status == EFI_TIMEOUT) {\r |
| | 623 | return EFI_NOT_READY;\r |
| | 624 | }\r |
| | 625 | \r |
| | 626 | return EFI_DEVICE_ERROR;\r |
| | 627 | \r |
| | 628 | }\r |
| | 629 | \r |
| | 630 | if (*Output == 0) {\r |
| | 631 | return EFI_NOT_READY;\r |
| | 632 | }\r |
| | 633 | \r |
| | 634 | return EFI_SUCCESS;\r |
| | 635 | }\r |
| | 636 | \r |
| | 637 | /**\r |
| | 638 | Insert one byte raw data into the Raw Data FIFO.\r |
| | 639 | \r |
| | 640 | @param TerminalDevice Terminal driver private structure.\r |
| | 641 | @param Input The key will be input.\r |
| | 642 | \r |
| | 643 | @retval TRUE If insert successfully.\r |
| | 644 | @retval FLASE If Raw Data buffer is full before key insertion,\r |
| | 645 | and the key is lost.\r |
| | 646 | \r |
| | 647 | **/\r |
| | 648 | BOOLEAN\r |
| | 649 | RawFiFoInsertOneKey (\r |
| | 650 | TERMINAL_DEV *TerminalDevice,\r |
| | 651 | UINT8 Input\r |
| | 652 | )\r |
| | 653 | {\r |
| | 654 | UINT8 Tail;\r |
| | 655 | \r |
| | 656 | Tail = TerminalDevice->RawFiFo->Tail;\r |
| | 657 | \r |
| | 658 | if (IsRawFiFoFull (TerminalDevice)) {\r |
| | 659 | //\r |
| | 660 | // Raw FIFO is full\r |
| | 661 | //\r |
| | 662 | return FALSE;\r |
| | 663 | }\r |
| | 664 | \r |
| | 665 | TerminalDevice->RawFiFo->Data[Tail] = Input;\r |
| | 666 | \r |
| | 667 | TerminalDevice->RawFiFo->Tail = (UINT8) ((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r |
| | 668 | \r |
| | 669 | return TRUE;\r |
| | 670 | }\r |
| | 671 | \r |
| | 672 | /**\r |
| | 673 | Remove one pre-fetched key out of the Raw Data FIFO.\r |
| | 674 | \r |
| | 675 | @param TerminalDevice Terminal driver private structure.\r |
| | 676 | @param Output The key will be removed.\r |
| | 677 | \r |
| | 678 | @retval TRUE If insert successfully.\r |
| | 679 | @retval FLASE If Raw Data FIFO buffer is empty before remove operation.\r |
| | 680 | \r |
| | 681 | **/\r |
| | 682 | BOOLEAN\r |
| | 683 | RawFiFoRemoveOneKey (\r |
| | 684 | TERMINAL_DEV *TerminalDevice,\r |
| | 685 | UINT8 *Output\r |
| | 686 | )\r |
| | 687 | {\r |
| | 688 | UINT8 Head;\r |
| | 689 | \r |
| | 690 | Head = TerminalDevice->RawFiFo->Head;\r |
| | 691 | \r |
| | 692 | if (IsRawFiFoEmpty (TerminalDevice)) {\r |
| | 693 | //\r |
| | 694 | // FIFO is empty\r |
| | 695 | //\r |
| | 696 | *Output = 0;\r |
| | 697 | return FALSE;\r |
| | 698 | }\r |
| | 699 | \r |
| | 700 | *Output = TerminalDevice->RawFiFo->Data[Head];\r |
| | 701 | \r |
| | 702 | TerminalDevice->RawFiFo->Head = (UINT8) ((Head + 1) % (RAW_FIFO_MAX_NUMBER + 1));\r |
| | 703 | \r |
| | 704 | return TRUE;\r |
| | 705 | }\r |
| | 706 | \r |
| | 707 | /**\r |
| | 708 | Clarify whether Raw Data FIFO buffer is empty.\r |
| | 709 | \r |
| | 710 | @param TerminalDevice Terminal driver private structure\r |
| | 711 | \r |
| | 712 | @retval TRUE If Raw Data FIFO buffer is empty.\r |
| | 713 | @retval FLASE If Raw Data FIFO buffer is not empty.\r |
| | 714 | \r |
| | 715 | **/\r |
| | 716 | BOOLEAN\r |
| | 717 | IsRawFiFoEmpty (\r |
| | 718 | TERMINAL_DEV *TerminalDevice\r |
| | 719 | )\r |
| | 720 | {\r |
| | 721 | if (TerminalDevice->RawFiFo->Head == TerminalDevice->RawFiFo->Tail) {\r |
| | 722 | return TRUE;\r |
| | 723 | } else {\r |
| | 724 | return FALSE;\r |
| | 725 | }\r |
| | 726 | }\r |
| | 727 | \r |
| | 728 | /**\r |
| | 729 | Clarify whether Raw Data FIFO buffer is full.\r |
| | 730 | \r |
| | 731 | @param TerminalDevice Terminal driver private structure\r |
| | 732 | \r |
| | 733 | @retval TRUE If Raw Data FIFO buffer is full.\r |
| | 734 | @retval FLASE If Raw Data FIFO buffer is not full.\r |
| | 735 | \r |
| | 736 | **/\r |
| | 737 | BOOLEAN\r |
| | 738 | IsRawFiFoFull (\r |
| | 739 | TERMINAL_DEV *TerminalDevice\r |
| | 740 | )\r |
| | 741 | {\r |
| | 742 | UINT8 Tail;\r |
| | 743 | UINT8 Head;\r |
| | 744 | \r |
| | 745 | Tail = TerminalDevice->RawFiFo->Tail;\r |
| | 746 | Head = TerminalDevice->RawFiFo->Head;\r |
| | 747 | \r |
| | 748 | if (((Tail + 1) % (RAW_FIFO_MAX_NUMBER + 1)) == Head) {\r |
| | 749 | \r |
| | 750 | return TRUE;\r |
| | 751 | }\r |
| | 752 | \r |
| | 753 | return FALSE;\r |
| | 754 | }\r |
| | 755 | \r |
| | 756 | /**\r |
| | 757 | Insert one pre-fetched key into the FIFO buffer.\r |
| | 758 | \r |
| | 759 | @param TerminalDevice Terminal driver private structure.\r |
| | 760 | @param Key The key will be input.\r |
| | 761 | \r |
| | 762 | @retval TRUE If insert successfully.\r |
| | 763 | @retval FLASE If FIFO buffer is full before key insertion,\r |
| | 764 | and the key is lost.\r |
| | 765 | \r |
| | 766 | **/\r |
| | 767 | BOOLEAN\r |
| | 768 | EfiKeyFiFoInsertOneKey (\r |
| | 769 | TERMINAL_DEV *TerminalDevice,\r |
| | 770 | EFI_INPUT_KEY *Key\r |
| | 771 | )\r |
| | 772 | {\r |
| | 773 | UINT8 Tail;\r |
| | 774 | LIST_ENTRY *Link;\r |
| | 775 | LIST_ENTRY *NotifyList;\r |
| | 776 | TERMINAL_CONSOLE_IN_EX_NOTIFY *CurrentNotify;\r |
| | 777 | EFI_KEY_DATA KeyData;\r |
| | 778 | \r |
| | 779 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r |
| | 780 | \r |
| | 781 | CopyMem (&KeyData.Key, Key, sizeof (EFI_INPUT_KEY));\r |
| | 782 | KeyData.KeyState.KeyShiftState = 0;\r |
| | 783 | KeyData.KeyState.KeyToggleState = 0;\r |
| | 784 | \r |
| | 785 | //\r |
| | 786 | // Invoke notification functions if exist\r |
| | 787 | //\r |
| | 788 | NotifyList = &TerminalDevice->NotifyList;\r |
| | 789 | for (Link = GetFirstNode (NotifyList); !IsNull (NotifyList,Link); Link = GetNextNode (NotifyList,Link)) {\r |
| | 790 | CurrentNotify = CR (\r |
| | 791 | Link,\r |
| | 792 | TERMINAL_CONSOLE_IN_EX_NOTIFY,\r |
| | 793 | NotifyEntry,\r |
| | 794 | TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE\r |
| | 795 | );\r |
| | 796 | if (IsKeyRegistered (&CurrentNotify->KeyData, &KeyData)) {\r |
| | 797 | CurrentNotify->KeyNotificationFn (&KeyData);\r |
| | 798 | }\r |
| | 799 | }\r |
| | 800 | if (IsEfiKeyFiFoFull (TerminalDevice)) {\r |
| | 801 | //\r |
| | 802 | // Efi Key FIFO is full\r |
| | 803 | //\r |
| | 804 | return FALSE;\r |
| | 805 | }\r |
| | 806 | \r |
| | 807 | CopyMem (&TerminalDevice->EfiKeyFiFo->Data[Tail], Key, sizeof (EFI_INPUT_KEY));\r |
| | 808 | \r |
| | 809 | TerminalDevice->EfiKeyFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
| | 810 | \r |
| | 811 | return TRUE;\r |
| | 812 | }\r |
| | 813 | \r |
| | 814 | /**\r |
| | 815 | Remove one pre-fetched key out of the FIFO buffer.\r |
| | 816 | \r |
| | 817 | @param TerminalDevice Terminal driver private structure.\r |
| | 818 | @param Output The key will be removed.\r |
| | 819 | \r |
| | 820 | @retval TRUE If insert successfully.\r |
| | 821 | @retval FLASE If FIFO buffer is empty before remove operation.\r |
| | 822 | \r |
| | 823 | **/\r |
| | 824 | BOOLEAN\r |
| | 825 | EfiKeyFiFoRemoveOneKey (\r |
| | 826 | TERMINAL_DEV *TerminalDevice,\r |
| | 827 | EFI_INPUT_KEY *Output\r |
| | 828 | )\r |
| | 829 | {\r |
| | 830 | UINT8 Head;\r |
| | 831 | \r |
| | 832 | Head = TerminalDevice->EfiKeyFiFo->Head;\r |
| | 833 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r |
| | 834 | \r |
| | 835 | if (IsEfiKeyFiFoEmpty (TerminalDevice)) {\r |
| | 836 | //\r |
| | 837 | // FIFO is empty\r |
| | 838 | //\r |
| | 839 | Output->ScanCode = SCAN_NULL;\r |
| | 840 | Output->UnicodeChar = 0;\r |
| | 841 | return FALSE;\r |
| | 842 | }\r |
| | 843 | \r |
| | 844 | *Output = TerminalDevice->EfiKeyFiFo->Data[Head];\r |
| | 845 | \r |
| | 846 | TerminalDevice->EfiKeyFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
| | 847 | \r |
| | 848 | return TRUE;\r |
| | 849 | }\r |
| | 850 | \r |
| | 851 | /**\r |
| | 852 | Clarify whether FIFO buffer is empty.\r |
| | 853 | \r |
| | 854 | @param TerminalDevice Terminal driver private structure\r |
| | 855 | \r |
| | 856 | @retval TRUE If FIFO buffer is empty.\r |
| | 857 | @retval FLASE If FIFO buffer is not empty.\r |
| | 858 | \r |
| | 859 | **/\r |
| | 860 | BOOLEAN\r |
| | 861 | IsEfiKeyFiFoEmpty (\r |
| | 862 | TERMINAL_DEV *TerminalDevice\r |
| | 863 | )\r |
| | 864 | {\r |
| | 865 | if (TerminalDevice->EfiKeyFiFo->Head == TerminalDevice->EfiKeyFiFo->Tail) {\r |
| | 866 | return TRUE;\r |
| | 867 | } else {\r |
| | 868 | return FALSE;\r |
| | 869 | }\r |
| | 870 | }\r |
| | 871 | \r |
| | 872 | /**\r |
| | 873 | Clarify whether FIFO buffer is full.\r |
| | 874 | \r |
| | 875 | @param TerminalDevice Terminal driver private structure\r |
| | 876 | \r |
| | 877 | @retval TRUE If FIFO buffer is full.\r |
| | 878 | @retval FLASE If FIFO buffer is not full.\r |
| | 879 | \r |
| | 880 | **/\r |
| | 881 | BOOLEAN\r |
| | 882 | IsEfiKeyFiFoFull (\r |
| | 883 | TERMINAL_DEV *TerminalDevice\r |
| | 884 | )\r |
| | 885 | {\r |
| | 886 | UINT8 Tail;\r |
| | 887 | UINT8 Head;\r |
| | 888 | \r |
| | 889 | Tail = TerminalDevice->EfiKeyFiFo->Tail;\r |
| | 890 | Head = TerminalDevice->EfiKeyFiFo->Head;\r |
| | 891 | \r |
| | 892 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r |
| | 893 | \r |
| | 894 | return TRUE;\r |
| | 895 | }\r |
| | 896 | \r |
| | 897 | return FALSE;\r |
| | 898 | }\r |
| | 899 | \r |
| | 900 | /**\r |
| | 901 | Insert one pre-fetched key into the Unicode FIFO buffer.\r |
| | 902 | \r |
| | 903 | @param TerminalDevice Terminal driver private structure.\r |
| | 904 | @param Input The key will be input.\r |
| | 905 | \r |
| | 906 | @retval TRUE If insert successfully.\r |
| | 907 | @retval FLASE If Unicode FIFO buffer is full before key insertion,\r |
| | 908 | and the key is lost.\r |
| | 909 | \r |
| | 910 | **/\r |
| | 911 | BOOLEAN\r |
| | 912 | UnicodeFiFoInsertOneKey (\r |
| | 913 | TERMINAL_DEV *TerminalDevice,\r |
| | 914 | UINT16 Input\r |
| | 915 | )\r |
| | 916 | {\r |
| | 917 | UINT8 Tail;\r |
| | 918 | \r |
| | 919 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
| | 920 | ASSERT (Tail < FIFO_MAX_NUMBER + 1);\r |
| | 921 | \r |
| | 922 | \r |
| | 923 | if (IsUnicodeFiFoFull (TerminalDevice)) {\r |
| | 924 | //\r |
| | 925 | // Unicode FIFO is full\r |
| | 926 | //\r |
| | 927 | return FALSE;\r |
| | 928 | }\r |
| | 929 | \r |
| | 930 | TerminalDevice->UnicodeFiFo->Data[Tail] = Input;\r |
| | 931 | \r |
| | 932 | TerminalDevice->UnicodeFiFo->Tail = (UINT8) ((Tail + 1) % (FIFO_MAX_NUMBER + 1));\r |
| | 933 | \r |
| | 934 | return TRUE;\r |
| | 935 | }\r |
| | 936 | \r |
| | 937 | /**\r |
| | 938 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r |
| | 939 | \r |
| | 940 | @param TerminalDevice Terminal driver private structure.\r |
| | 941 | @param Output The key will be removed.\r |
| | 942 | \r |
| | 943 | @retval TRUE If insert successfully.\r |
| | 944 | @retval FLASE If Unicode FIFO buffer is empty before remove operation.\r |
| | 945 | \r |
| | 946 | **/\r |
| | 947 | BOOLEAN\r |
| | 948 | UnicodeFiFoRemoveOneKey (\r |
| | 949 | TERMINAL_DEV *TerminalDevice,\r |
| | 950 | UINT16 *Output\r |
| | 951 | )\r |
| | 952 | {\r |
| | 953 | UINT8 Head;\r |
| | 954 | \r |
| | 955 | Head = TerminalDevice->UnicodeFiFo->Head;\r |
| | 956 | ASSERT (Head < FIFO_MAX_NUMBER + 1);\r |
| | 957 | \r |
| | 958 | if (IsUnicodeFiFoEmpty (TerminalDevice)) {\r |
| | 959 | //\r |
| | 960 | // FIFO is empty\r |
| | 961 | //\r |
| | 962 | Output = NULL;\r |
| | 963 | return FALSE;\r |
| | 964 | }\r |
| | 965 | \r |
| | 966 | *Output = TerminalDevice->UnicodeFiFo->Data[Head];\r |
| | 967 | \r |
| | 968 | TerminalDevice->UnicodeFiFo->Head = (UINT8) ((Head + 1) % (FIFO_MAX_NUMBER + 1));\r |
| | 969 | \r |
| | 970 | return TRUE;\r |
| | 971 | }\r |
| | 972 | \r |
| | 973 | /**\r |
| | 974 | Clarify whether Unicode FIFO buffer is empty.\r |
| | 975 | \r |
| | 976 | @param TerminalDevice Terminal driver private structure\r |
| | 977 | \r |
| | 978 | @retval TRUE If Unicode FIFO buffer is empty.\r |
| | 979 | @retval FLASE If Unicode FIFO buffer is not empty.\r |
| | 980 | \r |
| | 981 | **/\r |
| | 982 | BOOLEAN\r |
| | 983 | IsUnicodeFiFoEmpty (\r |
| | 984 | TERMINAL_DEV *TerminalDevice\r |
| | 985 | )\r |
| | 986 | {\r |
| | 987 | if (TerminalDevice->UnicodeFiFo->Head == TerminalDevice->UnicodeFiFo->Tail) {\r |
| | 988 | return TRUE;\r |
| | 989 | } else {\r |
| | 990 | return FALSE;\r |
| | 991 | }\r |
| | 992 | }\r |
| | 993 | \r |
| | 994 | /**\r |
| | 995 | Clarify whether Unicode FIFO buffer is full.\r |
| | 996 | \r |
| | 997 | @param TerminalDevice Terminal driver private structure\r |
| | 998 | \r |
| | 999 | @retval TRUE If Unicode FIFO buffer is full.\r |
| | 1000 | @retval FLASE If Unicode FIFO buffer is not full.\r |
| | 1001 | \r |
| | 1002 | **/\r |
| | 1003 | BOOLEAN\r |
| | 1004 | IsUnicodeFiFoFull (\r |
| | 1005 | TERMINAL_DEV *TerminalDevice\r |
| | 1006 | )\r |
| | 1007 | {\r |
| | 1008 | UINT8 Tail;\r |
| | 1009 | UINT8 Head;\r |
| | 1010 | \r |
| | 1011 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
| | 1012 | Head = TerminalDevice->UnicodeFiFo->Head;\r |
| | 1013 | \r |
| | 1014 | if (((Tail + 1) % (FIFO_MAX_NUMBER + 1)) == Head) {\r |
| | 1015 | \r |
| | 1016 | return TRUE;\r |
| | 1017 | }\r |
| | 1018 | \r |
| | 1019 | return FALSE;\r |
| | 1020 | }\r |
| | 1021 | \r |
| | 1022 | /**\r |
| | 1023 | Count Unicode FIFO buffer.\r |
| | 1024 | \r |
| | 1025 | @param TerminalDevice Terminal driver private structure\r |
| | 1026 | \r |
| | 1027 | @return The count in bytes of Unicode FIFO.\r |
| | 1028 | \r |
| | 1029 | **/\r |
| | 1030 | UINT8\r |
| | 1031 | UnicodeFiFoGetKeyCount (\r |
| | 1032 | TERMINAL_DEV *TerminalDevice\r |
| | 1033 | )\r |
| | 1034 | {\r |
| | 1035 | UINT8 Tail;\r |
| | 1036 | UINT8 Head;\r |
| | 1037 | \r |
| | 1038 | Tail = TerminalDevice->UnicodeFiFo->Tail;\r |
| | 1039 | Head = TerminalDevice->UnicodeFiFo->Head;\r |
| | 1040 | \r |
| | 1041 | if (Tail >= Head) {\r |
| | 1042 | return (UINT8) (Tail - Head);\r |
| | 1043 | } else {\r |
| | 1044 | return (UINT8) (Tail + FIFO_MAX_NUMBER + 1 - Head);\r |
| | 1045 | }\r |
| | 1046 | }\r |
| | 1047 | \r |
| | 1048 | /**\r |
| | 1049 | Update the Unicode characters from a terminal input device into EFI Keys FIFO.\r |
| | 1050 | \r |
| | 1051 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
| | 1052 | \r |
| | 1053 | **/\r |
| | 1054 | VOID\r |
| | 1055 | UnicodeToEfiKeyFlushState (\r |
| | 1056 | IN TERMINAL_DEV *TerminalDevice\r |
| | 1057 | )\r |
| | 1058 | {\r |
| | 1059 | EFI_INPUT_KEY Key;\r |
| | 1060 | UINT32 InputState;\r |
| | 1061 | \r |
| | 1062 | InputState = TerminalDevice->InputState;\r |
| | 1063 | \r |
| | 1064 | if ((InputState & INPUT_STATE_ESC) != 0) {\r |
| | 1065 | Key.ScanCode = SCAN_ESC;\r |
| | 1066 | Key.UnicodeChar = 0;\r |
| | 1067 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1068 | }\r |
| | 1069 | \r |
| | 1070 | if ((InputState & INPUT_STATE_CSI) != 0) {\r |
| | 1071 | Key.ScanCode = SCAN_NULL;\r |
| | 1072 | Key.UnicodeChar = CSI;\r |
| | 1073 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1074 | }\r |
| | 1075 | \r |
| | 1076 | if ((InputState & INPUT_STATE_LEFTOPENBRACKET) != 0) {\r |
| | 1077 | Key.ScanCode = SCAN_NULL;\r |
| | 1078 | Key.UnicodeChar = LEFTOPENBRACKET;\r |
| | 1079 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1080 | }\r |
| | 1081 | \r |
| | 1082 | if ((InputState & INPUT_STATE_O) != 0) {\r |
| | 1083 | Key.ScanCode = SCAN_NULL;\r |
| | 1084 | Key.UnicodeChar = 'O';\r |
| | 1085 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1086 | }\r |
| | 1087 | \r |
| | 1088 | if ((InputState & INPUT_STATE_2) != 0) {\r |
| | 1089 | Key.ScanCode = SCAN_NULL;\r |
| | 1090 | Key.UnicodeChar = '2';\r |
| | 1091 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1092 | }\r |
| | 1093 | \r |
| | 1094 | //\r |
| | 1095 | // Cancel the timer.\r |
| | 1096 | //\r |
| | 1097 | gBS->SetTimer (\r |
| | 1098 | TerminalDevice->TwoSecondTimeOut,\r |
| | 1099 | TimerCancel,\r |
| | 1100 | 0\r |
| | 1101 | );\r |
| | 1102 | \r |
| | 1103 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r |
| | 1104 | }\r |
| | 1105 | \r |
| | 1106 | \r |
| | 1107 | /**\r |
| | 1108 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r |
| | 1109 | can be read through the Simple Input Protocol.\r |
| | 1110 | \r |
| | 1111 | The table below shows the keyboard input mappings that this function supports.\r |
| | 1112 | If the ESC sequence listed in one of the columns is presented, then it is translated\r |
| | 1113 | into the corresponding EFI Scan Code. If a matching sequence is not found, then the raw\r |
| | 1114 | key strokes are converted into EFI Keys.\r |
| | 1115 | \r |
| | 1116 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r |
| | 1117 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r |
| | 1118 | converted into EFI Keys.\r |
| | 1119 | There is one special input sequence that will force the system to reset.\r |
| | 1120 | This is ESC R ESC r ESC R.\r |
| | 1121 | \r |
| | 1122 | Note: current implementation support terminal types include: PC ANSI, VT100+/VTUTF8, VT100. \r |
| | 1123 | The table below is not same with UEFI Spec 2.3 Appendix B Table 201(not support ANSI X3.64 /\r |
| | 1124 | DEC VT200-500 and extra support PC ANSI, VT100)since UEFI Table 201 is just an example.\r |
| | 1125 | \r |
| | 1126 | Symbols used in table below\r |
| | 1127 | ===========================\r |
| | 1128 | ESC = 0x1B\r |
| | 1129 | CSI = 0x9B\r |
| | 1130 | DEL = 0x7f\r |
| | 1131 | ^ = CTRL\r |
| | 1132 | \r |
| | 1133 | +=========+======+===========+==========+==========+\r |
| | 1134 | | | EFI | UEFI 2.0 | | |\r |
| | 1135 | | | Scan | | VT100+ | |\r |
| | 1136 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r |
| | 1137 | +=========+======+===========+==========+==========+\r |
| | 1138 | | NULL | 0x00 | | | |\r |
| | 1139 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r |
| | 1140 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r |
| | 1141 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r |
| | 1142 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r |
| | 1143 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r |
| | 1144 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r |
| | 1145 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r |
| | 1146 | | | | ESC [ L | | ESC [ L |\r |
| | 1147 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r |
| | 1148 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r |
| | 1149 | | | | | | ESC [ ? |\r |
| | 1150 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r |
| | 1151 | | | | | | ESC [ / |\r |
| | 1152 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r |
| | 1153 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r |
| | 1154 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r |
| | 1155 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r |
| | 1156 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r |
| | 1157 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r |
| | 1158 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r |
| | 1159 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r |
| | 1160 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r |
| | 1161 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r |
| | 1162 | | Escape | 0x17 | ESC | ESC | ESC |\r |
| | 1163 | | F11 | 0x15 | | ESC ! | |\r |
| | 1164 | | F12 | 0x16 | | ESC @ | |\r |
| | 1165 | +=========+======+===========+==========+==========+\r |
| | 1166 | \r |
| | 1167 | Special Mappings\r |
| | 1168 | ================\r |
| | 1169 | ESC R ESC r ESC R = Reset System\r |
| | 1170 | \r |
| | 1171 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r |
| | 1172 | \r |
| | 1173 | **/\r |
| | 1174 | VOID\r |
| | 1175 | UnicodeToEfiKey (\r |
| | 1176 | IN TERMINAL_DEV *TerminalDevice\r |
| | 1177 | )\r |
| | 1178 | {\r |
| | 1179 | EFI_STATUS Status;\r |
| | 1180 | EFI_STATUS TimerStatus;\r |
| | 1181 | UINT16 UnicodeChar;\r |
| | 1182 | EFI_INPUT_KEY Key;\r |
| | 1183 | BOOLEAN SetDefaultResetState;\r |
| | 1184 | \r |
| | 1185 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
| | 1186 | \r |
| | 1187 | if (!EFI_ERROR (TimerStatus)) {\r |
| | 1188 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1189 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1190 | }\r |
| | 1191 | \r |
| | 1192 | while (!IsUnicodeFiFoEmpty(TerminalDevice)) {\r |
| | 1193 | \r |
| | 1194 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
| | 1195 | //\r |
| | 1196 | // Check to see if the 2 seconds timer has expired\r |
| | 1197 | //\r |
| | 1198 | TimerStatus = gBS->CheckEvent (TerminalDevice->TwoSecondTimeOut);\r |
| | 1199 | if (!EFI_ERROR (TimerStatus)) {\r |
| | 1200 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1201 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1202 | }\r |
| | 1203 | }\r |
| | 1204 | \r |
| | 1205 | //\r |
| | 1206 | // Fetch one Unicode character from the Unicode FIFO\r |
| | 1207 | //\r |
| | 1208 | UnicodeFiFoRemoveOneKey (TerminalDevice, &UnicodeChar);\r |
| | 1209 | \r |
| | 1210 | SetDefaultResetState = TRUE;\r |
| | 1211 | \r |
| | 1212 | switch (TerminalDevice->InputState) {\r |
| | 1213 | case INPUT_STATE_DEFAULT:\r |
| | 1214 | \r |
| | 1215 | break;\r |
| | 1216 | \r |
| | 1217 | case INPUT_STATE_ESC:\r |
| | 1218 | \r |
| | 1219 | if (UnicodeChar == LEFTOPENBRACKET) {\r |
| | 1220 | TerminalDevice->InputState |= INPUT_STATE_LEFTOPENBRACKET;\r |
| | 1221 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1222 | continue;\r |
| | 1223 | }\r |
| | 1224 | \r |
| | 1225 | if (UnicodeChar == 'O' && TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1226 | TerminalDevice->InputState |= INPUT_STATE_O;\r |
| | 1227 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1228 | continue;\r |
| | 1229 | }\r |
| | 1230 | \r |
| | 1231 | Key.ScanCode = SCAN_NULL;\r |
| | 1232 | \r |
| | 1233 | if (TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
| | 1234 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r |
| | 1235 | switch (UnicodeChar) {\r |
| | 1236 | case '1':\r |
| | 1237 | Key.ScanCode = SCAN_F1;\r |
| | 1238 | break;\r |
| | 1239 | case '2':\r |
| | 1240 | Key.ScanCode = SCAN_F2;\r |
| | 1241 | break;\r |
| | 1242 | case '3':\r |
| | 1243 | Key.ScanCode = SCAN_F3;\r |
| | 1244 | break;\r |
| | 1245 | case '4':\r |
| | 1246 | Key.ScanCode = SCAN_F4;\r |
| | 1247 | break;\r |
| | 1248 | case '5':\r |
| | 1249 | Key.ScanCode = SCAN_F5;\r |
| | 1250 | break;\r |
| | 1251 | case '6':\r |
| | 1252 | Key.ScanCode = SCAN_F6;\r |
| | 1253 | break;\r |
| | 1254 | case '7':\r |
| | 1255 | Key.ScanCode = SCAN_F7;\r |
| | 1256 | break;\r |
| | 1257 | case '8':\r |
| | 1258 | Key.ScanCode = SCAN_F8;\r |
| | 1259 | break;\r |
| | 1260 | case '9':\r |
| | 1261 | Key.ScanCode = SCAN_F9;\r |
| | 1262 | break;\r |
| | 1263 | case '0':\r |
| | 1264 | Key.ScanCode = SCAN_F10;\r |
| | 1265 | break;\r |
| | 1266 | case '!':\r |
| | 1267 | Key.ScanCode = SCAN_F11;\r |
| | 1268 | break;\r |
| | 1269 | case '@':\r |
| | 1270 | Key.ScanCode = SCAN_F12;\r |
| | 1271 | break;\r |
| | 1272 | case 'h':\r |
| | 1273 | Key.ScanCode = SCAN_HOME;\r |
| | 1274 | break;\r |
| | 1275 | case 'k':\r |
| | 1276 | Key.ScanCode = SCAN_END;\r |
| | 1277 | break;\r |
| | 1278 | case '+':\r |
| | 1279 | Key.ScanCode = SCAN_INSERT;\r |
| | 1280 | break;\r |
| | 1281 | case '-':\r |
| | 1282 | Key.ScanCode = SCAN_DELETE;\r |
| | 1283 | break;\r |
| | 1284 | case '/':\r |
| | 1285 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
| | 1286 | break;\r |
| | 1287 | case '?':\r |
| | 1288 | Key.ScanCode = SCAN_PAGE_UP;\r |
| | 1289 | break;\r |
| | 1290 | default :\r |
| | 1291 | break;\r |
| | 1292 | }\r |
| | 1293 | }\r |
| | 1294 | \r |
| | 1295 | switch (UnicodeChar) {\r |
| | 1296 | case 'R':\r |
| | 1297 | if (TerminalDevice->ResetState == RESET_STATE_DEFAULT) {\r |
| | 1298 | TerminalDevice->ResetState = RESET_STATE_ESC_R;\r |
| | 1299 | SetDefaultResetState = FALSE;\r |
| | 1300 | } else if (TerminalDevice->ResetState == RESET_STATE_ESC_R_ESC_R) {\r |
| | 1301 | gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);\r |
| | 1302 | }\r |
| | 1303 | Key.ScanCode = SCAN_NULL;\r |
| | 1304 | break;\r |
| | 1305 | case 'r':\r |
| | 1306 | if (TerminalDevice->ResetState == RESET_STATE_ESC_R) {\r |
| | 1307 | TerminalDevice->ResetState = RESET_STATE_ESC_R_ESC_R;\r |
| | 1308 | SetDefaultResetState = FALSE;\r |
| | 1309 | }\r |
| | 1310 | Key.ScanCode = SCAN_NULL;\r |
| | 1311 | break;\r |
| | 1312 | default :\r |
| | 1313 | break;\r |
| | 1314 | }\r |
| | 1315 | \r |
| | 1316 | if (SetDefaultResetState) {\r |
| | 1317 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1318 | }\r |
| | 1319 | \r |
| | 1320 | if (Key.ScanCode != SCAN_NULL) {\r |
| | 1321 | Key.UnicodeChar = 0;\r |
| | 1322 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1323 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r |
| | 1324 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1325 | continue;\r |
| | 1326 | }\r |
| | 1327 | \r |
| | 1328 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1329 | \r |
| | 1330 | break;\r |
| | 1331 | \r |
| | 1332 | case INPUT_STATE_ESC | INPUT_STATE_O:\r |
| | 1333 | \r |
| | 1334 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1335 | \r |
| | 1336 | Key.ScanCode = SCAN_NULL;\r |
| | 1337 | \r |
| | 1338 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1339 | switch (UnicodeChar) {\r |
| | 1340 | case 'P':\r |
| | 1341 | Key.ScanCode = SCAN_F1;\r |
| | 1342 | break;\r |
| | 1343 | case 'Q':\r |
| | 1344 | Key.ScanCode = SCAN_F2;\r |
| | 1345 | break;\r |
| | 1346 | case 'w':\r |
| | 1347 | Key.ScanCode = SCAN_F3;\r |
| | 1348 | break;\r |
| | 1349 | case 'x':\r |
| | 1350 | Key.ScanCode = SCAN_F4;\r |
| | 1351 | break;\r |
| | 1352 | case 't':\r |
| | 1353 | Key.ScanCode = SCAN_F5;\r |
| | 1354 | break;\r |
| | 1355 | case 'u':\r |
| | 1356 | Key.ScanCode = SCAN_F6;\r |
| | 1357 | break;\r |
| | 1358 | case 'q':\r |
| | 1359 | Key.ScanCode = SCAN_F7;\r |
| | 1360 | break;\r |
| | 1361 | case 'r':\r |
| | 1362 | Key.ScanCode = SCAN_F8;\r |
| | 1363 | break;\r |
| | 1364 | case 'p':\r |
| | 1365 | Key.ScanCode = SCAN_F9;\r |
| | 1366 | break;\r |
| | 1367 | case 'M':\r |
| | 1368 | Key.ScanCode = SCAN_F10;\r |
| | 1369 | break;\r |
| | 1370 | default :\r |
| | 1371 | break;\r |
| | 1372 | }\r |
| | 1373 | }\r |
| | 1374 | \r |
| | 1375 | if (Key.ScanCode != SCAN_NULL) {\r |
| | 1376 | Key.UnicodeChar = 0;\r |
| | 1377 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1378 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r |
| | 1379 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1380 | continue;\r |
| | 1381 | }\r |
| | 1382 | \r |
| | 1383 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1384 | \r |
| | 1385 | break;\r |
| | 1386 | \r |
| | 1387 | case INPUT_STATE_ESC | INPUT_STATE_LEFTOPENBRACKET:\r |
| | 1388 | \r |
| | 1389 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1390 | \r |
| | 1391 | Key.ScanCode = SCAN_NULL;\r |
| | 1392 | \r |
| | 1393 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
| | 1394 | TerminalDevice->TerminalType == VT100TYPE ||\r |
| | 1395 | TerminalDevice->TerminalType == VT100PLUSTYPE ||\r |
| | 1396 | TerminalDevice->TerminalType == VTUTF8TYPE) {\r |
| | 1397 | switch (UnicodeChar) {\r |
| | 1398 | case 'A':\r |
| | 1399 | Key.ScanCode = SCAN_UP;\r |
| | 1400 | break;\r |
| | 1401 | case 'B':\r |
| | 1402 | Key.ScanCode = SCAN_DOWN;\r |
| | 1403 | break;\r |
| | 1404 | case 'C':\r |
| | 1405 | Key.ScanCode = SCAN_RIGHT;\r |
| | 1406 | break;\r |
| | 1407 | case 'D':\r |
| | 1408 | Key.ScanCode = SCAN_LEFT;\r |
| | 1409 | break;\r |
| | 1410 | case 'H':\r |
| | 1411 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
| | 1412 | TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1413 | Key.ScanCode = SCAN_HOME;\r |
| | 1414 | }\r |
| | 1415 | break;\r |
| | 1416 | case 'F':\r |
| | 1417 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1418 | Key.ScanCode = SCAN_END;\r |
| | 1419 | }\r |
| | 1420 | break;\r |
| | 1421 | case 'K':\r |
| | 1422 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1423 | Key.ScanCode = SCAN_END;\r |
| | 1424 | }\r |
| | 1425 | break;\r |
| | 1426 | case 'L':\r |
| | 1427 | case '@':\r |
| | 1428 | if (TerminalDevice->TerminalType == PCANSITYPE ||\r |
| | 1429 | TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1430 | Key.ScanCode = SCAN_INSERT;\r |
| | 1431 | }\r |
| | 1432 | break;\r |
| | 1433 | case 'X':\r |
| | 1434 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1435 | Key.ScanCode = SCAN_DELETE;\r |
| | 1436 | }\r |
| | 1437 | break;\r |
| | 1438 | case 'P':\r |
| | 1439 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1440 | Key.ScanCode = SCAN_DELETE;\r |
| | 1441 | } else if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1442 | Key.ScanCode = SCAN_F4;\r |
| | 1443 | }\r |
| | 1444 | break;\r |
| | 1445 | case 'I':\r |
| | 1446 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1447 | Key.ScanCode = SCAN_PAGE_UP;\r |
| | 1448 | }\r |
| | 1449 | break;\r |
| | 1450 | case 'V':\r |
| | 1451 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1452 | Key.ScanCode = SCAN_F10;\r |
| | 1453 | }\r |
| | 1454 | case '?':\r |
| | 1455 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1456 | Key.ScanCode = SCAN_PAGE_UP;\r |
| | 1457 | }\r |
| | 1458 | break;\r |
| | 1459 | case 'G':\r |
| | 1460 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1461 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
| | 1462 | }\r |
| | 1463 | break;\r |
| | 1464 | case 'U':\r |
| | 1465 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1466 | Key.ScanCode = SCAN_F9;\r |
| | 1467 | }\r |
| | 1468 | case '/':\r |
| | 1469 | if (TerminalDevice->TerminalType == VT100TYPE) {\r |
| | 1470 | Key.ScanCode = SCAN_PAGE_DOWN;\r |
| | 1471 | }\r |
| | 1472 | break;\r |
| | 1473 | case 'M':\r |
| | 1474 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1475 | Key.ScanCode = SCAN_F1;\r |
| | 1476 | }\r |
| | 1477 | break;\r |
| | 1478 | case 'N':\r |
| | 1479 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1480 | Key.ScanCode = SCAN_F2;\r |
| | 1481 | }\r |
| | 1482 | break;\r |
| | 1483 | case 'O':\r |
| | 1484 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1485 | Key.ScanCode = SCAN_F3;\r |
| | 1486 | }\r |
| | 1487 | break;\r |
| | 1488 | case 'Q':\r |
| | 1489 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1490 | Key.ScanCode = SCAN_F5;\r |
| | 1491 | }\r |
| | 1492 | break;\r |
| | 1493 | case 'R':\r |
| | 1494 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1495 | Key.ScanCode = SCAN_F6;\r |
| | 1496 | }\r |
| | 1497 | break;\r |
| | 1498 | case 'S':\r |
| | 1499 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1500 | Key.ScanCode = SCAN_F7;\r |
| | 1501 | }\r |
| | 1502 | break;\r |
| | 1503 | case 'T':\r |
| | 1504 | if (TerminalDevice->TerminalType == PCANSITYPE) {\r |
| | 1505 | Key.ScanCode = SCAN_F8;\r |
| | 1506 | }\r |
| | 1507 | break;\r |
| | 1508 | default :\r |
| | 1509 | break;\r |
| | 1510 | }\r |
| | 1511 | }\r |
| | 1512 | \r |
| | 1513 | if (Key.ScanCode != SCAN_NULL) {\r |
| | 1514 | Key.UnicodeChar = 0;\r |
| | 1515 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1516 | TerminalDevice->InputState = INPUT_STATE_DEFAULT;\r |
| | 1517 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1518 | continue;\r |
| | 1519 | }\r |
| | 1520 | \r |
| | 1521 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1522 | \r |
| | 1523 | break;\r |
| | 1524 | \r |
| | 1525 | \r |
| | 1526 | default:\r |
| | 1527 | //\r |
| | 1528 | // Invalid state. This should never happen.\r |
| | 1529 | //\r |
| | 1530 | ASSERT (FALSE);\r |
| | 1531 | \r |
| | 1532 | UnicodeToEfiKeyFlushState (TerminalDevice);\r |
| | 1533 | \r |
| | 1534 | break;\r |
| | 1535 | }\r |
| | 1536 | \r |
| | 1537 | if (UnicodeChar == ESC) {\r |
| | 1538 | TerminalDevice->InputState = INPUT_STATE_ESC;\r |
| | 1539 | }\r |
| | 1540 | \r |
| | 1541 | if (UnicodeChar == CSI) {\r |
| | 1542 | TerminalDevice->InputState = INPUT_STATE_CSI;\r |
| | 1543 | }\r |
| | 1544 | \r |
| | 1545 | if (TerminalDevice->InputState != INPUT_STATE_DEFAULT) {\r |
| | 1546 | Status = gBS->SetTimer(\r |
| | 1547 | TerminalDevice->TwoSecondTimeOut,\r |
| | 1548 | TimerRelative,\r |
| | 1549 | (UINT64)20000000\r |
| | 1550 | );\r |
| | 1551 | ASSERT_EFI_ERROR (Status);\r |
| | 1552 | continue;\r |
| | 1553 | }\r |
| | 1554 | \r |
| | 1555 | if (SetDefaultResetState) {\r |
| | 1556 | TerminalDevice->ResetState = RESET_STATE_DEFAULT;\r |
| | 1557 | }\r |
| | 1558 | \r |
| | 1559 | if (UnicodeChar == DEL) {\r |
| | 1560 | Key.ScanCode = SCAN_DELETE;\r |
| | 1561 | Key.UnicodeChar = 0;\r |
| | 1562 | } else {\r |
| | 1563 | Key.ScanCode = SCAN_NULL;\r |
| | 1564 | Key.UnicodeChar = UnicodeChar;\r |
| | 1565 | }\r |
| | 1566 | \r |
| | 1567 | EfiKeyFiFoInsertOneKey (TerminalDevice, &Key);\r |
| | 1568 | }\r |
| | 1569 | }\r |
projects / mirror_edk2.git / blame_incremental