projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| fb0b259e | 1 | /** @file\r |
| 2 | Header file for Terminal driver.\r | |
| 95276127 | 3 | \r |
| fb0b259e | 4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
| 5 | All rights reserved. This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 95276127 | 9 | \r |
| fb0b259e | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 95276127 | 12 | \r |
| fb0b259e | 13 | **/\r |
| 95276127 | 14 | \r |
| e49ef433 | 15 | #ifndef _TERMINAL_H_\r |
| 16 | #define _TERMINAL_H_\r | |
| 95276127 | 17 | \r |
| 97a079ed A |
18 | \r |
| 19 | #include <PiDxe.h>\r | |
| 20 | #include <Protocol/SimpleTextOut.h>\r | |
| 21 | #include <Protocol/SerialIo.h>\r | |
| 22 | #include <Guid/GlobalVariable.h>\r | |
| 23 | #include <Protocol/DevicePath.h>\r | |
| 24 | #include <Protocol/SimpleTextIn.h>\r | |
| 66aa04e4 | 25 | #include <Protocol/SimpleTextInEx.h>\r |
| 97a079ed A |
26 | #include <Guid/HotPlugDevice.h>\r |
| 27 | #include <Guid/PcAnsi.h>\r | |
| 28 | #include <Library/DebugLib.h>\r | |
| 29 | #include <Library/UefiDriverEntryPoint.h>\r | |
| 30 | #include <Library/UefiLib.h>\r | |
| 31 | #include <Library/ReportStatusCodeLib.h>\r | |
| 32 | #include <Library/BaseMemoryLib.h>\r | |
| 33 | #include <Library/MemoryAllocationLib.h>\r | |
| 34 | #include <Library/UefiBootServicesTableLib.h>\r | |
| 35 | #include <Library/UefiRuntimeServicesTableLib.h>\r | |
| 36 | #include <Library/DevicePathLib.h>\r | |
| 37 | #include <Library/PcdLib.h>\r | |
| 66aa04e4 | 38 | #include <Library/BaseLib.h>\r |
| 97a079ed | 39 | \r |
| 95276127 | 40 | \r |
| 41 | #define RAW_FIFO_MAX_NUMBER 256\r | |
| 42 | #define FIFO_MAX_NUMBER 128\r | |
| 43 | \r | |
| 44 | typedef struct {\r | |
| 45 | UINT8 Head;\r | |
| 46 | UINT8 Tail;\r | |
| 47 | UINT8 Data[RAW_FIFO_MAX_NUMBER + 1];\r | |
| 48 | } RAW_DATA_FIFO;\r | |
| 49 | \r | |
| 50 | typedef struct {\r | |
| 51 | UINT8 Head;\r | |
| 52 | UINT8 Tail;\r | |
| 53 | UINT16 Data[FIFO_MAX_NUMBER + 1];\r | |
| 54 | } UNICODE_FIFO;\r | |
| 55 | \r | |
| 56 | typedef struct {\r | |
| 57 | UINT8 Head;\r | |
| 58 | UINT8 Tail;\r | |
| 59 | EFI_INPUT_KEY Data[FIFO_MAX_NUMBER + 1];\r | |
| 60 | } EFI_KEY_FIFO;\r | |
| 61 | \r | |
| 62 | #define TERMINAL_DEV_SIGNATURE EFI_SIGNATURE_32 ('t', 'm', 'n', 'l')\r | |
| 63 | \r | |
| 66aa04e4 | 64 | #define TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE EFI_SIGNATURE_32 ('t', 'm', 'e', 'n')\r |
| 65 | \r | |
| 66 | typedef struct _TERMINAL_CONSOLE_IN_EX_NOTIFY {\r | |
| 67 | UINTN Signature;\r | |
| 68 | EFI_HANDLE NotifyHandle;\r | |
| 69 | EFI_KEY_DATA KeyData;\r | |
| 70 | EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;\r | |
| 71 | LIST_ENTRY NotifyEntry;\r | |
| 72 | } TERMINAL_CONSOLE_IN_EX_NOTIFY;\r | |
| 95276127 | 73 | typedef struct {\r |
| 74 | UINTN Signature;\r | |
| 75 | EFI_HANDLE Handle;\r | |
| 76 | UINT8 TerminalType;\r | |
| 77 | EFI_SERIAL_IO_PROTOCOL *SerialIo;\r | |
| 78 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
| 95276127 | 79 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;\r |
| 80 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOutput;\r | |
| 81 | EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode;\r | |
| 82 | UINTN SerialInTimeOut;\r | |
| 83 | RAW_DATA_FIFO RawFiFo;\r | |
| 84 | UNICODE_FIFO UnicodeFiFo;\r | |
| 85 | EFI_KEY_FIFO EfiKeyFiFo;\r | |
| 86 | EFI_UNICODE_STRING_TABLE *ControllerNameTable;\r | |
| 87 | EFI_EVENT TwoSecondTimeOut;\r | |
| 88 | UINT32 InputState;\r | |
| 6b88ceec | 89 | UINT32 ResetState;\r |
| 95276127 | 90 | \r |
| 91 | //\r | |
| 92 | // Esc could not be output to the screen by user,\r | |
| 93 | // but the terminal driver need to output it to\r | |
| 94 | // the terminal emulation software to send control sequence.\r | |
| 95 | // This boolean is used by the terminal driver only\r | |
| 96 | // to indicate whether the Esc could be sent or not.\r | |
| 97 | //\r | |
| 6b88ceec | 98 | BOOLEAN OutputEscChar;\r |
| 66aa04e4 | 99 | EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleInputEx;\r |
| 100 | LIST_ENTRY NotifyList;\r | |
| 95276127 | 101 | } TERMINAL_DEV;\r |
| 102 | \r | |
| 103 | #define INPUT_STATE_DEFAULT 0x00\r | |
| 104 | #define INPUT_STATE_ESC 0x01\r | |
| 105 | #define INPUT_STATE_CSI 0x02\r | |
| 106 | #define INPUT_STATE_LEFTOPENBRACKET 0x04\r | |
| 107 | #define INPUT_STATE_O 0x08\r | |
| 108 | #define INPUT_STATE_2 0x10\r | |
| 109 | \r | |
| 110 | #define RESET_STATE_DEFAULT 0x00\r | |
| 111 | #define RESET_STATE_ESC_R 0x01\r | |
| 112 | #define RESET_STATE_ESC_R_ESC_r 0x02\r | |
| 113 | \r | |
| 114 | #define TERMINAL_CON_IN_DEV_FROM_THIS(a) CR (a, TERMINAL_DEV, SimpleInput, TERMINAL_DEV_SIGNATURE)\r | |
| 115 | #define TERMINAL_CON_OUT_DEV_FROM_THIS(a) CR (a, TERMINAL_DEV, SimpleTextOutput, TERMINAL_DEV_SIGNATURE)\r | |
| 66aa04e4 | 116 | #define TERMINAL_CON_IN_EX_DEV_FROM_THIS(a) CR (a, TERMINAL_DEV, SimpleInputEx, TERMINAL_DEV_SIGNATURE)\r |
| 95276127 | 117 | \r |
| 118 | typedef union {\r | |
| 119 | UINT8 Utf8_1;\r | |
| 120 | UINT8 Utf8_2[2];\r | |
| 121 | UINT8 Utf8_3[3];\r | |
| 122 | } UTF8_CHAR;\r | |
| 123 | \r | |
| e49ef433 | 124 | #define PCANSITYPE 0\r |
| 125 | #define VT100TYPE 1\r | |
| 126 | #define VT100PLUSTYPE 2\r | |
| 127 | #define VTUTF8TYPE 3\r | |
| 95276127 | 128 | \r |
| 129 | #define LEFTOPENBRACKET 0x5b // '['\r | |
| 130 | #define ACAP 0x41\r | |
| 131 | #define BCAP 0x42\r | |
| 132 | #define CCAP 0x43\r | |
| 133 | #define DCAP 0x44\r | |
| 134 | \r | |
| 135 | #define MODE0_COLUMN_COUNT 80\r | |
| 136 | #define MODE0_ROW_COUNT 25\r | |
| 137 | \r | |
| 7347d5d6 | 138 | #define MODE1_COLUMN_COUNT 80\r |
| 139 | #define MODE1_ROW_COUNT 50\r | |
| 140 | \r | |
| 141 | #define MODE2_COLUMN_COUNT 100\r | |
| 142 | #define MODE2_ROW_COUNT 31\r | |
| 143 | \r | |
| 95276127 | 144 | #define BACKSPACE 8\r |
| 145 | #define ESC 27\r | |
| 146 | #define CSI 0x9B\r | |
| 147 | #define DEL 127\r | |
| 148 | #define BRIGHT_CONTROL_OFFSET 2\r | |
| 149 | #define FOREGROUND_CONTROL_OFFSET 6\r | |
| 150 | #define BACKGROUND_CONTROL_OFFSET 11\r | |
| 151 | #define ROW_OFFSET 2\r | |
| 152 | #define COLUMN_OFFSET 5\r | |
| 153 | \r | |
| 154 | typedef struct {\r | |
| 155 | UINT16 Unicode;\r | |
| 156 | CHAR8 PcAnsi;\r | |
| 157 | CHAR8 Ascii;\r | |
| 158 | } UNICODE_TO_CHAR;\r | |
| 159 | \r | |
| 95276127 | 160 | //\r |
| 161 | // Global Variables\r | |
| 162 | //\r | |
| 5bca971e | 163 | extern EFI_DRIVER_BINDING_PROTOCOL gTerminalDriverBinding;\r |
| 164 | extern EFI_COMPONENT_NAME_PROTOCOL gTerminalComponentName;\r | |
| 165 | extern EFI_COMPONENT_NAME2_PROTOCOL gTerminalComponentName2;\r | |
| 95276127 | 166 | \r |
| 66aa04e4 | 167 | extern EFI_GUID gSimpleTextInExNotifyGuid;\r |
| e49ef433 | 168 | \r |
| 169 | /**\r | |
| 170 | The user Entry Point for module Terminal. The user code starts with this function.\r | |
| 171 | \r | |
| 172 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
| 173 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
| 174 | \r | |
| 175 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
| 176 | @retval other Some error occurs when executing this entry point.\r | |
| 177 | \r | |
| 178 | **/\r | |
| 95276127 | 179 | EFI_STATUS\r |
| 180 | EFIAPI\r | |
| 181 | InitializeTerminal (\r | |
| 182 | IN EFI_HANDLE ImageHandle,\r | |
| 183 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
| 184 | )\r | |
| 185 | ;\r | |
| 186 | \r | |
| e49ef433 | 187 | /**\r |
| 188 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().\r | |
| 189 | This driver only perform dependent serial device reset regardless of\r | |
| 190 | the value of ExtendeVerification\r | |
| 191 | \r | |
| 192 | @param This Indicates the calling context.\r | |
| 193 | @param ExtendedVerification Skip by this driver.\r | |
| 194 | \r | |
| 8fd98315 | 195 | @return EFI_SUCCESS The reset operation succeeds.\r |
| 196 | @return EFI_DEVICE_ERROR The dependent serial port reset fails.\r | |
| e49ef433 | 197 | \r |
| 198 | **/\r | |
| 95276127 | 199 | EFI_STATUS\r |
| 200 | EFIAPI\r | |
| 201 | TerminalConInReset (\r | |
| 202 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 203 | IN BOOLEAN ExtendedVerification\r | |
| 204 | )\r | |
| 205 | ;\r | |
| 206 | \r | |
| e49ef433 | 207 | \r |
| 208 | /**\r | |
| 209 | Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().\r | |
| 210 | \r | |
| 8fd98315 | 211 | @param This Indicates the calling context.\r |
| 212 | @param Key A pointer to a buffer that is filled in with the\r | |
| 213 | keystroke information for the key that was sent\r | |
| 214 | from terminal.\r | |
| 215 | \r | |
| 216 | @return EFI_SUCCESS The keystroke information is returned successfully.\r | |
| 217 | @return EFI_NOT_READY There is no keystroke data available.\r | |
| 218 | @return EFI_DEVICE_ERROR The dependent serial device encounters error.\r | |
| e49ef433 | 219 | \r |
| 220 | **/\r | |
| 95276127 | 221 | EFI_STATUS\r |
| 222 | EFIAPI\r | |
| 223 | TerminalConInReadKeyStroke (\r | |
| 224 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 225 | OUT EFI_INPUT_KEY *Key\r | |
| 226 | )\r | |
| 227 | ;\r | |
| 228 | \r | |
| e49ef433 | 229 | /**\r |
| 8fd98315 | 230 | Check if the key already has been registered.\r |
| e49ef433 | 231 | \r |
| 232 | @param RegsiteredData A pointer to a buffer that is filled in with the\r | |
| 233 | keystroke state data for the key that was\r | |
| 234 | registered.\r | |
| 235 | @param InputData A pointer to a buffer that is filled in with the\r | |
| 236 | keystroke state data for the key that was\r | |
| 237 | pressed.\r | |
| 238 | \r | |
| 239 | @retval TRUE Key be pressed matches a registered key.\r | |
| 240 | @retval FLASE Match failed.\r | |
| 241 | \r | |
| 242 | **/\r | |
| 66aa04e4 | 243 | BOOLEAN\r |
| 244 | IsKeyRegistered (\r | |
| 245 | IN EFI_KEY_DATA *RegsiteredData,\r | |
| 246 | IN EFI_KEY_DATA *InputData\r | |
| 247 | )\r | |
| e49ef433 | 248 | ;\r |
| 66aa04e4 | 249 | \r |
| e49ef433 | 250 | /**\r |
| 251 | Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event\r | |
| 252 | Signal the event if there is key available\r | |
| 66aa04e4 | 253 | \r |
| e49ef433 | 254 | @param Event Indicates the event that invoke this function.\r |
| 255 | @param Context Indicates the calling context.\r | |
| fb0b259e | 256 | \r |
| e49ef433 | 257 | @return none.\r |
| 66aa04e4 | 258 | \r |
| e49ef433 | 259 | **/\r |
| 66aa04e4 | 260 | VOID\r |
| 261 | EFIAPI\r | |
| 262 | TerminalConInWaitForKeyEx (\r | |
| 263 | IN EFI_EVENT Event,\r | |
| 264 | IN VOID *Context\r | |
| 265 | )\r | |
| fb0b259e | 266 | ;\r |
| e49ef433 | 267 | \r |
| 66aa04e4 | 268 | //\r |
| 269 | // Simple Text Input Ex protocol prototypes\r | |
| 270 | //\r | |
| 271 | \r | |
| e49ef433 | 272 | /**\r |
| 273 | Reset the input device and optionaly run diagnostics\r | |
| 274 | \r | |
| 275 | @param This Protocol instance pointer.\r | |
| 276 | @param ExtendedVerification Driver may perform diagnostics on reset.\r | |
| 277 | \r | |
| 278 | @retval EFI_SUCCESS The device was reset.\r | |
| 279 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
| 280 | not be reset.\r | |
| 281 | \r | |
| 282 | **/\r | |
| 66aa04e4 | 283 | EFI_STATUS\r |
| 284 | EFIAPI\r | |
| 285 | TerminalConInResetEx (\r | |
| 286 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 287 | IN BOOLEAN ExtendedVerification\r | |
| 288 | )\r | |
| e49ef433 | 289 | ;\r |
| 66aa04e4 | 290 | \r |
| e49ef433 | 291 | /**\r |
| 292 | Reads the next keystroke from the input device. The WaitForKey Event can\r | |
| 293 | be used to test for existance of a keystroke via WaitForEvent () call.\r | |
| 66aa04e4 | 294 | \r |
| e49ef433 | 295 | @param This Protocol instance pointer.\r |
| 296 | @param KeyData A pointer to a buffer that is filled in with the\r | |
| 297 | keystroke state data for the key that was\r | |
| 298 | pressed.\r | |
| 66aa04e4 | 299 | \r |
| e49ef433 | 300 | @retval EFI_SUCCESS The keystroke information was returned.\r |
| 301 | @retval EFI_NOT_READY There was no keystroke data availiable.\r | |
| 302 | @retval EFI_DEVICE_ERROR The keystroke information was not returned due\r | |
| 303 | to hardware errors.\r | |
| 304 | @retval EFI_INVALID_PARAMETER KeyData is NULL.\r | |
| 66aa04e4 | 305 | \r |
| e49ef433 | 306 | **/\r |
| 66aa04e4 | 307 | EFI_STATUS\r |
| 308 | EFIAPI\r | |
| 309 | TerminalConInReadKeyStrokeEx (\r | |
| 310 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 311 | OUT EFI_KEY_DATA *KeyData\r | |
| 312 | )\r | |
| e49ef433 | 313 | ;\r |
| 66aa04e4 | 314 | \r |
| e49ef433 | 315 | /**\r |
| 316 | Set certain state for the input device.\r | |
| 66aa04e4 | 317 | \r |
| e49ef433 | 318 | @param This Protocol instance pointer.\r |
| 319 | @param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the\r | |
| 320 | state for the input device.\r | |
| 66aa04e4 | 321 | \r |
| e49ef433 | 322 | @retval EFI_SUCCESS The device state was set successfully.\r |
| 323 | @retval EFI_DEVICE_ERROR The device is not functioning correctly and\r | |
| 324 | could not have the setting adjusted.\r | |
| 325 | @retval EFI_UNSUPPORTED The device does not have the ability to set its\r | |
| 326 | state.\r | |
| 327 | @retval EFI_INVALID_PARAMETER KeyToggleState is NULL.\r | |
| 66aa04e4 | 328 | \r |
| e49ef433 | 329 | **/\r |
| 66aa04e4 | 330 | EFI_STATUS\r |
| 331 | EFIAPI\r | |
| 332 | TerminalConInSetState (\r | |
| 333 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 334 | IN EFI_KEY_TOGGLE_STATE *KeyToggleState\r | |
| 335 | )\r | |
| 66aa04e4 | 336 | ;\r |
| 337 | \r | |
| e49ef433 | 338 | /**\r |
| 339 | Register a notification function for a particular keystroke for the input device.\r | |
| 340 | \r | |
| 341 | @param This Protocol instance pointer.\r | |
| 342 | @param KeyData A pointer to a buffer that is filled in with the\r | |
| 343 | keystroke information data for the key that was\r | |
| 344 | pressed.\r | |
| 345 | @param KeyNotificationFunction Points to the function to be called when the key\r | |
| 346 | sequence is typed specified by KeyData.\r | |
| 347 | @param NotifyHandle Points to the unique handle assigned to the\r | |
| 348 | registered notification.\r | |
| 349 | \r | |
| 350 | @retval EFI_SUCCESS The notification function was registered\r | |
| 351 | successfully.\r | |
| 352 | @retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data\r | |
| 353 | structures.\r | |
| 354 | @retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.\r | |
| 355 | \r | |
| 356 | **/\r | |
| 66aa04e4 | 357 | EFI_STATUS\r |
| 358 | EFIAPI\r | |
| 359 | TerminalConInRegisterKeyNotify (\r | |
| 360 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 361 | IN EFI_KEY_DATA *KeyData,\r | |
| 362 | IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,\r | |
| 363 | OUT EFI_HANDLE *NotifyHandle\r | |
| 364 | )\r | |
| e49ef433 | 365 | ;\r |
| 66aa04e4 | 366 | \r |
| e49ef433 | 367 | /**\r |
| 368 | Remove a registered notification function from a particular keystroke.\r | |
| 66aa04e4 | 369 | \r |
| e49ef433 | 370 | @param This Protocol instance pointer.\r |
| 371 | @param NotificationHandle The handle of the notification function being\r | |
| 372 | unregistered.\r | |
| fb0b259e | 373 | \r |
| e49ef433 | 374 | @retval EFI_SUCCESS The notification function was unregistered\r |
| 375 | successfully.\r | |
| 376 | @retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.\r | |
| 377 | @retval EFI_NOT_FOUND Can not find the matching entry in database.\r | |
| 66aa04e4 | 378 | \r |
| e49ef433 | 379 | **/\r |
| 66aa04e4 | 380 | EFI_STATUS\r |
| 381 | EFIAPI\r | |
| 382 | TerminalConInUnregisterKeyNotify (\r | |
| 383 | IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,\r | |
| 384 | IN EFI_HANDLE NotificationHandle\r | |
| 385 | )\r | |
| e49ef433 | 386 | ;\r |
| 66aa04e4 | 387 | \r |
| e49ef433 | 388 | /**\r |
| 389 | Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event\r | |
| 390 | Signal the event if there is key available\r | |
| 66aa04e4 | 391 | \r |
| e49ef433 | 392 | @param Event Indicates the event that invoke this function.\r |
| 393 | @param Context Indicates the calling context.\r | |
| fb0b259e | 394 | \r |
| e49ef433 | 395 | @return None\r |
| 66aa04e4 | 396 | \r |
| e49ef433 | 397 | **/\r |
| 95276127 | 398 | VOID\r |
| 399 | EFIAPI\r | |
| 400 | TerminalConInWaitForKey (\r | |
| 401 | IN EFI_EVENT Event,\r | |
| 402 | IN VOID *Context\r | |
| 403 | )\r | |
| 404 | ;\r | |
| 405 | \r | |
| e49ef433 | 406 | /**\r |
| 407 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset().\r | |
| 408 | If ExtendeVerification is TRUE, then perform dependent serial device reset,\r | |
| 409 | and set display mode to mode 0.\r | |
| 410 | If ExtendedVerification is FALSE, only set display mode to mode 0.\r | |
| 411 | \r | |
| 412 | @param This Indicates the calling context.\r | |
| 413 | @param ExtendedVerification Indicates that the driver may perform a more\r | |
| 414 | exhaustive verification operation of the device\r | |
| 415 | during reset.\r | |
| 416 | \r | |
| 8fd98315 | 417 | @return EFI_SUCCESS The reset operation succeeds.\r |
| 418 | @return EFI_DEVICE_ERROR The terminal is not functioning correctly or the serial port reset fails.\r | |
| e49ef433 | 419 | \r |
| 420 | **/\r | |
| 95276127 | 421 | EFI_STATUS\r |
| 422 | EFIAPI\r | |
| 423 | TerminalConOutReset (\r | |
| 424 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 425 | IN BOOLEAN ExtendedVerification\r | |
| 426 | )\r | |
| 427 | ;\r | |
| 428 | \r | |
| e49ef433 | 429 | /**\r |
| 430 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString().\r | |
| 431 | The Unicode string will be converted to terminal expressible data stream\r | |
| 432 | and send to terminal via serial port.\r | |
| 433 | \r | |
| 434 | @param This Indicates the calling context.\r | |
| 435 | @param WString The Null-terminated Unicode string to be displayed\r | |
| 436 | on the terminal screen.\r | |
| 437 | \r | |
| 8fd98315 | 438 | @retval EFI_SUCCESS The string is output successfully.\r |
| 439 | @retval EFI_DEVICE_ERROR The serial port fails to send the string out.\r | |
| 440 | @retval EFI_WARN_UNKNOWN_GLYPH Indicates that some of the characters in the Unicode string could not\r | |
| e49ef433 | 441 | be rendered and are skipped.\r |
| 8fd98315 | 442 | @retval EFI_UNSUPPORTED If current display mode is out of range.\r |
| e49ef433 | 443 | \r |
| 444 | **/\r | |
| 95276127 | 445 | EFI_STATUS\r |
| 446 | EFIAPI\r | |
| 447 | TerminalConOutOutputString (\r | |
| 448 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 449 | IN CHAR16 *WString\r | |
| 450 | )\r | |
| 451 | ;\r | |
| 452 | \r | |
| e49ef433 | 453 | /**\r |
| 454 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.TestString().\r | |
| 455 | If one of the characters in the *Wstring is\r | |
| 456 | neither valid Unicode drawing characters,\r | |
| 457 | not ASCII code, then this function will return\r | |
| 458 | EFI_UNSUPPORTED.\r | |
| 459 | \r | |
| 460 | @param This Indicates the calling context.\r | |
| 461 | @param WString The Null-terminated Unicode string to be tested.\r | |
| 462 | \r | |
| 463 | @return EFI_SUCCESS The terminal is capable of rendering the output string.\r | |
| 464 | @return EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be rendered.\r | |
| 465 | \r | |
| 466 | **/\r | |
| 95276127 | 467 | EFI_STATUS\r |
| 468 | EFIAPI\r | |
| 469 | TerminalConOutTestString (\r | |
| 470 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 471 | IN CHAR16 *WString\r | |
| 472 | )\r | |
| 473 | ;\r | |
| 474 | \r | |
| e49ef433 | 475 | /**\r |
| 476 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.QueryMode().\r | |
| 477 | It returns information for an available text mode\r | |
| 478 | that the terminal supports.\r | |
| 479 | In this driver, we support text mode 80x25 (mode 0),\r | |
| 480 | 80x50 (mode 1), 100x31 (mode 2).\r | |
| 481 | \r | |
| 482 | @param This Indicates the calling context.\r | |
| 483 | @param ModeNumber The mode number to return information on.\r | |
| 484 | @param Columns The returned columns of the requested mode.\r | |
| 485 | @param Rows The returned rows of the requested mode.\r | |
| 486 | \r | |
| 487 | @return EFI_SUCCESS The requested mode information is returned.\r | |
| 488 | @return EFI_UNSUPPORTED The mode number is not valid.\r | |
| 489 | @return EFI_DEVICE_ERROR\r | |
| 490 | \r | |
| 491 | **/\r | |
| 95276127 | 492 | EFI_STATUS\r |
| 493 | EFIAPI\r | |
| 494 | TerminalConOutQueryMode (\r | |
| 495 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 496 | IN UINTN ModeNumber,\r | |
| 497 | OUT UINTN *Columns,\r | |
| 498 | OUT UINTN *Rows\r | |
| 499 | )\r | |
| 500 | ;\r | |
| 501 | \r | |
| e49ef433 | 502 | /**\r |
| 503 | Implements EFI_SIMPLE_TEXT_OUT.SetMode().\r | |
| 504 | Set the terminal to a specified display mode.\r | |
| 505 | In this driver, we only support mode 0.\r | |
| 506 | \r | |
| 507 | @param This Indicates the calling context.\r | |
| 508 | @param ModeNumber The text mode to set.\r | |
| 509 | \r | |
| 510 | @return EFI_SUCCESS The requested text mode is set.\r | |
| 511 | @return EFI_DEVICE_ERROR The requested text mode cannot be set \r | |
| 512 | because of serial device error.\r | |
| 513 | @return EFI_UNSUPPORTED The text mode number is not valid.\r | |
| 514 | \r | |
| 515 | **/\r | |
| 95276127 | 516 | EFI_STATUS\r |
| 517 | EFIAPI\r | |
| 518 | TerminalConOutSetMode (\r | |
| 519 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 520 | IN UINTN ModeNumber\r | |
| 521 | )\r | |
| 522 | ;\r | |
| 523 | \r | |
| e49ef433 | 524 | /**\r |
| 525 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute().\r | |
| 526 | \r | |
| 527 | @param This Indicates the calling context.\r | |
| 528 | @param Attribute The attribute to set. Only bit0..6 are valid, all other bits\r | |
| 529 | are undefined and must be zero.\r | |
| 530 | \r | |
| 531 | @return EFI_SUCCESS The requested attribute is set.\r | |
| 532 | @return EFI_DEVICE_ERROR The requested attribute cannot be set due to serial port error.\r | |
| 533 | @return EFI_UNSUPPORTED The attribute requested is not defined by EFI spec.\r | |
| 534 | \r | |
| 535 | **/\r | |
| 95276127 | 536 | EFI_STATUS\r |
| 537 | EFIAPI\r | |
| 538 | TerminalConOutSetAttribute (\r | |
| 539 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 540 | IN UINTN Attribute\r | |
| 541 | )\r | |
| 542 | ;\r | |
| 543 | \r | |
| e49ef433 | 544 | /**\r |
| 545 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.ClearScreen().\r | |
| 546 | It clears the ANSI terminal's display to the\r | |
| 547 | currently selected background color.\r | |
| 548 | \r | |
| 549 | @param This Indicates the calling context.\r | |
| 550 | \r | |
| 551 | @return EFI_SUCCESS The operation completed successfully.\r | |
| 552 | @return EFI_DEVICE_ERROR The terminal screen cannot be cleared due to serial port error.\r | |
| 553 | @return EFI_UNSUPPORTED The terminal is not in a valid display mode.\r | |
| 554 | \r | |
| 555 | **/\r | |
| 95276127 | 556 | EFI_STATUS\r |
| 557 | EFIAPI\r | |
| 558 | TerminalConOutClearScreen (\r | |
| 559 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
| 560 | )\r | |
| 561 | ;\r | |
| 562 | \r | |
| e49ef433 | 563 | /**\r |
| 564 | Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetCursorPosition().\r | |
| 565 | \r | |
| 566 | @param This Indicates the calling context.\r | |
| 567 | @param Column The row to set cursor to.\r | |
| 568 | @param Row The column to set cursor to.\r | |
| 569 | \r | |
| 570 | @return EFI_SUCCESS The operation completed successfully.\r | |
| 571 | @return EFI_DEVICE_ERROR The request fails due to serial port error.\r | |
| 572 | @return EFI_UNSUPPORTED The terminal is not in a valid text mode, or the cursor position\r | |
| 573 | is invalid for current mode.\r | |
| 574 | \r | |
| 575 | **/\r | |
| 95276127 | 576 | EFI_STATUS\r |
| 577 | EFIAPI\r | |
| 578 | TerminalConOutSetCursorPosition (\r | |
| 579 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 580 | IN UINTN Column,\r | |
| 581 | IN UINTN Row\r | |
| 582 | )\r | |
| 583 | ;\r | |
| 584 | \r | |
| e49ef433 | 585 | /**\r |
| 586 | Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r | |
| 587 | In this driver, the cursor cannot be hidden.\r | |
| 588 | \r | |
| 589 | @param This Indicates the calling context.\r | |
| 590 | @param Visible If TRUE, the cursor is set to be visible,\r | |
| 591 | If FALSE, the cursor is set to be invisible.\r | |
| 592 | \r | |
| 593 | @return EFI_SUCCESS The request is valid.\r | |
| 594 | @return EFI_UNSUPPORTED The terminal does not support cursor hidden.\r | |
| 595 | \r | |
| 596 | **/\r | |
| 95276127 | 597 | EFI_STATUS\r |
| 598 | EFIAPI\r | |
| 599 | TerminalConOutEnableCursor (\r | |
| 600 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 601 | IN BOOLEAN Visible\r | |
| 602 | )\r | |
| 603 | ;\r | |
| 604 | \r | |
| 8fd98315 | 605 | /**\r |
| 606 | Test to see if this driver supports ControllerHandle. \r | |
| 607 | \r | |
| 608 | @param This Protocol instance pointer.\r | |
| 609 | @param ControllerHandle Handle of device to test\r | |
| 610 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
| 611 | device to start.\r | |
| 612 | \r | |
| 613 | @retval EFI_SUCCESS This driver supports this device\r | |
| 614 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
| 615 | @retval other This driver does not support this device\r | |
| 616 | \r | |
| 617 | **/\r | |
| 95276127 | 618 | EFI_STATUS\r |
| 619 | EFIAPI\r | |
| 620 | TerminalDriverBindingSupported (\r | |
| 621 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 622 | IN EFI_HANDLE Controller,\r | |
| 623 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 624 | );\r | |
| 625 | \r | |
| 8fd98315 | 626 | /**\r |
| 627 | Start this driver on ControllerHandle by opening a Serial IO protocol,\r | |
| 628 | reading Device Path, and creating a child handle with a Simple Text In,\r | |
| 629 | Simple Text In Ex and Simple Text Out protocol, and device path protocol.\r | |
| 630 | And store Console Device Environment Variables.\r | |
| 631 | \r | |
| 632 | @param This Protocol instance pointer.\r | |
| 633 | @param ControllerHandle Handle of device to bind driver to\r | |
| 634 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
| 635 | device to start.\r | |
| 636 | \r | |
| 637 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
| 638 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
| 639 | @retval other This driver does not support this device\r | |
| 640 | \r | |
| 641 | **/\r | |
| 95276127 | 642 | EFI_STATUS\r |
| 643 | EFIAPI\r | |
| 644 | TerminalDriverBindingStart (\r | |
| 645 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 646 | IN EFI_HANDLE Controller,\r | |
| 647 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
| 648 | );\r | |
| 649 | \r | |
| 8fd98315 | 650 | /**\r |
| 651 | Stop this driver on ControllerHandle by closing Simple Text In, Simple Text\r | |
| 652 | In Ex, Simple Text Out protocol, and removing parent device path from\r | |
| 653 | Console Device Environment Variables. \r | |
| 654 | \r | |
| 655 | @param This Protocol instance pointer.\r | |
| 656 | @param ControllerHandle Handle of device to stop driver on\r | |
| 657 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
| 658 | children is zero stop the entire bus driver.\r | |
| 659 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
| 660 | \r | |
| 661 | @retval EFI_SUCCESS This driver is removed ControllerHandle.\r | |
| 662 | @retval other This driver could not be removed from this device.\r | |
| 663 | \r | |
| 664 | **/\r | |
| 95276127 | 665 | EFI_STATUS\r |
| 666 | EFIAPI\r | |
| 667 | TerminalDriverBindingStop (\r | |
| 668 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
| 669 | IN EFI_HANDLE Controller,\r | |
| 670 | IN UINTN NumberOfChildren,\r | |
| 671 | IN EFI_HANDLE *ChildHandleBuffer\r | |
| 672 | );\r | |
| 673 | \r | |
| 5bca971e | 674 | /**\r |
| 675 | Retrieves a Unicode string that is the user readable name of the driver.\r | |
| 676 | \r | |
| 677 | This function retrieves the user readable name of a driver in the form of a\r | |
| 678 | Unicode string. If the driver specified by This has a user readable name in\r | |
| 679 | the language specified by Language, then a pointer to the driver name is\r | |
| 680 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r | |
| 681 | by This does not support the language specified by Language,\r | |
| 682 | then EFI_UNSUPPORTED is returned.\r | |
| 683 | \r | |
| 684 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
| 685 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
| 686 | \r | |
| 687 | @param Language[in] A pointer to a Null-terminated ASCII string\r | |
| 688 | array indicating the language. This is the\r | |
| 689 | language of the driver name that the caller is\r | |
| 690 | requesting, and it must match one of the\r | |
| 691 | languages specified in SupportedLanguages. The\r | |
| 692 | number of languages supported by a driver is up\r | |
| 693 | to the driver writer. Language is specified\r | |
| 694 | in RFC 3066 or ISO 639-2 language code format.\r | |
| 695 | \r | |
| 696 | @param DriverName[out] A pointer to the Unicode string to return.\r | |
| 697 | This Unicode string is the name of the\r | |
| 698 | driver specified by This in the language\r | |
| 699 | specified by Language.\r | |
| 700 | \r | |
| 701 | @retval EFI_SUCCESS The Unicode string for the Driver specified by\r | |
| 702 | This and the language specified by Language was\r | |
| 703 | returned in DriverName.\r | |
| 704 | \r | |
| 705 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
| 706 | \r | |
| 707 | @retval EFI_INVALID_PARAMETER DriverName is NULL.\r | |
| 708 | \r | |
| 709 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
| 710 | the language specified by Language.\r | |
| 711 | \r | |
| 712 | **/\r | |
| 95276127 | 713 | EFI_STATUS\r |
| 714 | EFIAPI\r | |
| 715 | TerminalComponentNameGetDriverName (\r | |
| 716 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
| 717 | IN CHAR8 *Language,\r | |
| 718 | OUT CHAR16 **DriverName\r | |
| 719 | );\r | |
| 720 | \r | |
| 5bca971e | 721 | \r |
| 722 | /**\r | |
| 723 | Retrieves a Unicode string that is the user readable name of the controller\r | |
| 724 | that is being managed by a driver.\r | |
| 725 | \r | |
| 726 | This function retrieves the user readable name of the controller specified by\r | |
| 727 | ControllerHandle and ChildHandle in the form of a Unicode string. If the\r | |
| 728 | driver specified by This has a user readable name in the language specified by\r | |
| 729 | Language, then a pointer to the controller name is returned in ControllerName,\r | |
| 730 | and EFI_SUCCESS is returned. If the driver specified by This is not currently\r | |
| 731 | managing the controller specified by ControllerHandle and ChildHandle,\r | |
| 732 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r | |
| 733 | support the language specified by Language, then EFI_UNSUPPORTED is returned.\r | |
| 734 | \r | |
| 735 | @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r | |
| 736 | EFI_COMPONENT_NAME_PROTOCOL instance.\r | |
| 737 | \r | |
| 738 | @param ControllerHandle[in] The handle of a controller that the driver\r | |
| 739 | specified by This is managing. This handle\r | |
| 740 | specifies the controller whose name is to be\r | |
| 741 | returned.\r | |
| 742 | \r | |
| 743 | @param ChildHandle[in] The handle of the child controller to retrieve\r | |
| 744 | the name of. This is an optional parameter that\r | |
| 745 | may be NULL. It will be NULL for device\r | |
| 746 | drivers. It will also be NULL for a bus drivers\r | |
| 747 | that wish to retrieve the name of the bus\r | |
| 748 | controller. It will not be NULL for a bus\r | |
| 749 | driver that wishes to retrieve the name of a\r | |
| 750 | child controller.\r | |
| 751 | \r | |
| 752 | @param Language[in] A pointer to a Null-terminated ASCII string\r | |
| 753 | array indicating the language. This is the\r | |
| 754 | language of the driver name that the caller is\r | |
| 755 | requesting, and it must match one of the\r | |
| 756 | languages specified in SupportedLanguages. The\r | |
| 757 | number of languages supported by a driver is up\r | |
| 758 | to the driver writer. Language is specified in\r | |
| 759 | RFC 3066 or ISO 639-2 language code format.\r | |
| 760 | \r | |
| 761 | @param ControllerName[out] A pointer to the Unicode string to return.\r | |
| 762 | This Unicode string is the name of the\r | |
| 763 | controller specified by ControllerHandle and\r | |
| 764 | ChildHandle in the language specified by\r | |
| 765 | Language from the point of view of the driver\r | |
| 766 | specified by This.\r | |
| 767 | \r | |
| 768 | @retval EFI_SUCCESS The Unicode string for the user readable name in\r | |
| 769 | the language specified by Language for the\r | |
| 770 | driver specified by This was returned in\r | |
| 771 | DriverName.\r | |
| 772 | \r | |
| 773 | @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r | |
| 774 | \r | |
| 775 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r | |
| 776 | EFI_HANDLE.\r | |
| 777 | \r | |
| 778 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
| 779 | \r | |
| 780 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r | |
| 781 | \r | |
| 782 | @retval EFI_UNSUPPORTED The driver specified by This is not currently\r | |
| 783 | managing the controller specified by\r | |
| 784 | ControllerHandle and ChildHandle.\r | |
| 785 | \r | |
| 786 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
| 787 | the language specified by Language.\r | |
| 788 | \r | |
| 789 | **/\r | |
| 95276127 | 790 | EFI_STATUS\r |
| 791 | EFIAPI\r | |
| 792 | TerminalComponentNameGetControllerName (\r | |
| 793 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
| 794 | IN EFI_HANDLE ControllerHandle,\r | |
| 795 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
| 796 | IN CHAR8 *Language,\r | |
| 797 | OUT CHAR16 **ControllerName\r | |
| 798 | );\r | |
| 799 | \r | |
| 5bca971e | 800 | \r |
| 95276127 | 801 | //\r |
| 802 | // internal functions\r | |
| 803 | //\r | |
| e49ef433 | 804 | \r |
| 805 | /**\r | |
| 806 | Check for a pending key in the Efi Key FIFO or Serial device buffer.\r | |
| 807 | \r | |
| 808 | @param This Indicates the calling context.\r | |
| 809 | \r | |
| 8fd98315 | 810 | @retval EFI_SUCCESS There is key pending.\r |
| 811 | @retval EFI_NOT_READY There is no key pending.\r | |
| 812 | @retval EFI_DEVICE_ERROR If Serial IO is not attched to serial device.\r | |
| e49ef433 | 813 | \r |
| 814 | **/\r | |
| 95276127 | 815 | EFI_STATUS\r |
| 816 | TerminalConInCheckForKey (\r | |
| 817 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This\r | |
| 818 | )\r | |
| 819 | ;\r | |
| 820 | \r | |
| 8fd98315 | 821 | /**\r |
| 822 | Update terminal device path in Console Device Environment Variables.\r | |
| 823 | \r | |
| 824 | @param VariableName The Console Device Environment Variable.\r | |
| 825 | @param ParentDevicePath The terminal devcie path to be updated.\r | |
| 826 | \r | |
| 827 | @return None.\r | |
| 828 | \r | |
| 829 | **/\r | |
| 95276127 | 830 | VOID\r |
| 831 | TerminalUpdateConsoleDevVariable (\r | |
| 832 | IN CHAR16 *VariableName,\r | |
| 833 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath\r | |
| 834 | )\r | |
| 835 | ;\r | |
| 836 | \r | |
| e49ef433 | 837 | /**\r |
| 838 | Remove console device variable.\r | |
| 839 | \r | |
| 840 | @param VariableName A pointer to the variable name.\r | |
| 841 | @param ParentDevicePath A pointer to the parent device path.\r | |
| 842 | \r | |
| 843 | @return None.\r | |
| 844 | \r | |
| 845 | **/\r | |
| 95276127 | 846 | VOID\r |
| 847 | TerminalRemoveConsoleDevVariable (\r | |
| 848 | IN CHAR16 *VariableName,\r | |
| 849 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath\r | |
| 850 | )\r | |
| 851 | ;\r | |
| 852 | \r | |
| e49ef433 | 853 | /**\r |
| 854 | Read the EFI variable (VendorGuid/Name) and return a dynamically allocated\r | |
| 855 | buffer, and the size of the buffer. On failure return NULL.\r | |
| 856 | \r | |
| 857 | @param Name String part of EFI variable name\r | |
| 858 | @param VendorGuid GUID part of EFI variable name\r | |
| 859 | @param VariableSize Returns the size of the EFI variable that was read\r | |
| 860 | \r | |
| 861 | @return Dynamically allocated memory that contains a copy of the EFI variable.\r | |
| 862 | @return Caller is repsoncible freeing the buffer.\r | |
| 863 | @retval NULL Variable was not read\r | |
| 864 | \r | |
| 865 | **/\r | |
| 95276127 | 866 | VOID *\r |
| 867 | TerminalGetVariableAndSize (\r | |
| 868 | IN CHAR16 *Name,\r | |
| 869 | IN EFI_GUID *VendorGuid,\r | |
| 870 | OUT UINTN *VariableSize\r | |
| 871 | )\r | |
| 872 | ;\r | |
| 873 | \r | |
| 8fd98315 | 874 | /**\r |
| 875 | Build termial device path according to terminal type.\r | |
| 876 | \r | |
| 877 | @param TerminalType The terminal type is PC ANSI, VT100, VT100+ or VT-UTF8.\r | |
| 878 | @param ParentDevicePath Parent devcie path.\r | |
| 879 | @param TerminalDevicePath Returned terminal device path, if building successfully.\r | |
| 880 | \r | |
| 881 | @retval EFI_UNSUPPORTED Terminal does not belong to the supported type.\r | |
| 882 | @retval EFI_OUT_OF_RESOURCES Generate terminal device path failed.\r | |
| 883 | @retval EFI_SUCCESS Build terminal device path successfully.\r | |
| 884 | \r | |
| 885 | **/\r | |
| 95276127 | 886 | EFI_STATUS\r |
| 887 | SetTerminalDevicePath (\r | |
| 888 | IN UINT8 TerminalType,\r | |
| 889 | IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,\r | |
| 890 | OUT EFI_DEVICE_PATH_PROTOCOL **TerminalDevicePath\r | |
| 891 | )\r | |
| 892 | ;\r | |
| 893 | \r | |
| 8fd98315 | 894 | /**\r |
| 895 | Initialize the Raw Data FIFO.\r | |
| 896 | \r | |
| 897 | @param TerminalDevice The terminal device.\r | |
| 898 | \r | |
| 899 | @return None.\r | |
| 900 | \r | |
| 901 | **/\r | |
| 95276127 | 902 | VOID\r |
| 903 | InitializeRawFiFo (\r | |
| 904 | IN TERMINAL_DEV *TerminalDevice\r | |
| 905 | )\r | |
| 906 | ;\r | |
| 907 | \r | |
| 8fd98315 | 908 | /**\r |
| 909 | Initialize the Unicode FIFO.\r | |
| 910 | \r | |
| 911 | @param TerminalDevice The terminal device.\r | |
| 912 | \r | |
| 913 | @return None.\r | |
| 914 | \r | |
| 915 | **/\r | |
| 95276127 | 916 | VOID\r |
| 917 | InitializeUnicodeFiFo (\r | |
| 918 | IN TERMINAL_DEV *TerminalDevice\r | |
| 919 | )\r | |
| 920 | ;\r | |
| 921 | \r | |
| 8fd98315 | 922 | /**\r |
| 923 | Initialize the EFI Key FIFO.\r | |
| 924 | \r | |
| 925 | @param TerminalDevice The terminal device.\r | |
| 926 | \r | |
| 927 | @return None.\r | |
| 928 | \r | |
| 929 | **/\r | |
| 95276127 | 930 | VOID\r |
| 931 | InitializeEfiKeyFiFo (\r | |
| 932 | IN TERMINAL_DEV *TerminalDevice\r | |
| 933 | )\r | |
| 934 | ;\r | |
| 935 | \r | |
| e49ef433 | 936 | /**\r |
| 937 | Get one key out of serial buffer.\r | |
| 938 | \r | |
| 939 | @param SerialIo Serial I/O protocl attached to the serial device.\r | |
| 940 | @param Input The fetched key.\r | |
| 941 | \r | |
| 942 | @return EFI_NOT_READY If serial buffer is empty.\r | |
| 943 | @return EFI_DEVICE_ERROR If reading serial buffer encounter error.\r | |
| 944 | @return EFI_SUCCESS If reading serial buffer successfully, put\r | |
| 945 | the fetched key to the parameter output.\r | |
| 946 | \r | |
| 947 | **/\r | |
| 95276127 | 948 | EFI_STATUS\r |
| 949 | GetOneKeyFromSerial (\r | |
| 950 | EFI_SERIAL_IO_PROTOCOL *SerialIo,\r | |
| 951 | UINT8 *Input\r | |
| 952 | )\r | |
| 953 | ;\r | |
| 954 | \r | |
| e49ef433 | 955 | /**\r |
| 956 | Insert one byte raw data into the Raw Data FIFO.\r | |
| 957 | \r | |
| 958 | @param TerminalDevice Terminal driver private structure.\r | |
| 959 | @param Input The key will be input.\r | |
| 960 | \r | |
| 961 | @return TRUE If insert successfully.\r | |
| 962 | @return FLASE If Raw Data buffer is full before key insertion,\r | |
| 963 | and the key is lost.\r | |
| 964 | \r | |
| 965 | **/\r | |
| 95276127 | 966 | BOOLEAN\r |
| 967 | RawFiFoInsertOneKey (\r | |
| 968 | TERMINAL_DEV *TerminalDevice,\r | |
| 969 | UINT8 Input\r | |
| 970 | )\r | |
| 971 | ;\r | |
| 972 | \r | |
| e49ef433 | 973 | /**\r |
| 974 | Remove one pre-fetched key out of the Raw Data FIFO.\r | |
| 975 | \r | |
| 976 | @param TerminalDevice Terminal driver private structure.\r | |
| 977 | @param Output The key will be removed.\r | |
| 978 | \r | |
| 979 | @return TRUE If insert successfully.\r | |
| 980 | @return FLASE If Raw Data FIFO buffer is empty before remove operation.\r | |
| 981 | \r | |
| 982 | **/\r | |
| 95276127 | 983 | BOOLEAN\r |
| 984 | RawFiFoRemoveOneKey (\r | |
| 985 | TERMINAL_DEV *TerminalDevice,\r | |
| 986 | UINT8 *Output\r | |
| 987 | )\r | |
| 988 | ;\r | |
| 989 | \r | |
| e49ef433 | 990 | /**\r |
| 991 | Clarify whether Raw Data FIFO buffer is empty.\r | |
| 992 | \r | |
| 993 | @param TerminalDevice Terminal driver private structure\r | |
| 994 | \r | |
| 995 | @return TRUE If Raw Data FIFO buffer is empty.\r | |
| 996 | @return FLASE If Raw Data FIFO buffer is not empty.\r | |
| 997 | \r | |
| 998 | **/\r | |
| 95276127 | 999 | BOOLEAN\r |
| 1000 | IsRawFiFoEmpty (\r | |
| 1001 | TERMINAL_DEV *TerminalDevice\r | |
| 1002 | )\r | |
| 1003 | ;\r | |
| 1004 | \r | |
| e49ef433 | 1005 | /**\r |
| 1006 | Clarify whether Raw Data FIFO buffer is full.\r | |
| 1007 | \r | |
| 1008 | @param TerminalDevice Terminal driver private structure\r | |
| 1009 | \r | |
| 1010 | @return TRUE If Raw Data FIFO buffer is full.\r | |
| 1011 | @return FLASE If Raw Data FIFO buffer is not full.\r | |
| 1012 | \r | |
| 1013 | **/\r | |
| 95276127 | 1014 | BOOLEAN\r |
| 1015 | IsRawFiFoFull (\r | |
| 1016 | TERMINAL_DEV *TerminalDevice\r | |
| 1017 | )\r | |
| 1018 | ;\r | |
| 1019 | \r | |
| e49ef433 | 1020 | /**\r |
| 1021 | Insert one pre-fetched key into the FIFO buffer.\r | |
| 1022 | \r | |
| 1023 | @param TerminalDevice Terminal driver private structure.\r | |
| 1024 | @param Key The key will be input.\r | |
| 1025 | \r | |
| 1026 | @return TRUE If insert successfully.\r | |
| 1027 | @return FLASE If FIFO buffer is full before key insertion,\r | |
| 1028 | and the key is lost.\r | |
| 1029 | \r | |
| 1030 | **/\r | |
| 95276127 | 1031 | BOOLEAN\r |
| 1032 | EfiKeyFiFoInsertOneKey (\r | |
| 1033 | TERMINAL_DEV *TerminalDevice,\r | |
| 1034 | EFI_INPUT_KEY Key\r | |
| 1035 | )\r | |
| 1036 | ;\r | |
| 1037 | \r | |
| e49ef433 | 1038 | /**\r |
| 1039 | Remove one pre-fetched key out of the FIFO buffer.\r | |
| 1040 | \r | |
| 1041 | @param TerminalDevice Terminal driver private structure.\r | |
| 1042 | @param Output The key will be removed.\r | |
| 1043 | \r | |
| 1044 | @return TRUE If insert successfully.\r | |
| 1045 | @return FLASE If FIFO buffer is empty before remove operation.\r | |
| 1046 | \r | |
| 1047 | **/\r | |
| 95276127 | 1048 | BOOLEAN\r |
| 1049 | EfiKeyFiFoRemoveOneKey (\r | |
| 1050 | TERMINAL_DEV *TerminalDevice,\r | |
| 1051 | EFI_INPUT_KEY *Output\r | |
| 1052 | )\r | |
| 1053 | ;\r | |
| 1054 | \r | |
| e49ef433 | 1055 | /**\r |
| 1056 | Clarify whether FIFO buffer is empty.\r | |
| 1057 | \r | |
| 1058 | @param TerminalDevice Terminal driver private structure\r | |
| 1059 | \r | |
| 1060 | @return TRUE If FIFO buffer is empty.\r | |
| 1061 | @return FLASE If FIFO buffer is not empty.\r | |
| 1062 | \r | |
| 1063 | **/\r | |
| 95276127 | 1064 | BOOLEAN\r |
| 1065 | IsEfiKeyFiFoEmpty (\r | |
| 1066 | TERMINAL_DEV *TerminalDevice\r | |
| 1067 | )\r | |
| 1068 | ;\r | |
| 1069 | \r | |
| e49ef433 | 1070 | /**\r |
| 1071 | Clarify whether FIFO buffer is full.\r | |
| 1072 | \r | |
| 1073 | @param TerminalDevice Terminal driver private structure\r | |
| 1074 | \r | |
| 1075 | @return TRUE If FIFO buffer is full.\r | |
| 1076 | @return FLASE If FIFO buffer is not full.\r | |
| 1077 | \r | |
| 1078 | **/\r | |
| 95276127 | 1079 | BOOLEAN\r |
| 1080 | IsEfiKeyFiFoFull (\r | |
| 1081 | TERMINAL_DEV *TerminalDevice\r | |
| 1082 | )\r | |
| 1083 | ;\r | |
| 1084 | \r | |
| e49ef433 | 1085 | /**\r |
| 1086 | Insert one pre-fetched key into the Unicode FIFO buffer.\r | |
| 1087 | \r | |
| 1088 | @param TerminalDevice Terminal driver private structure.\r | |
| 1089 | @param Input The key will be input.\r | |
| 1090 | \r | |
| 1091 | @return TRUE If insert successfully.\r | |
| 1092 | @return FLASE If Unicode FIFO buffer is full before key insertion,\r | |
| 1093 | and the key is lost.\r | |
| 1094 | \r | |
| 1095 | **/\r | |
| 95276127 | 1096 | BOOLEAN\r |
| 1097 | UnicodeFiFoInsertOneKey (\r | |
| 1098 | TERMINAL_DEV *TerminalDevice,\r | |
| 1099 | UINT16 Input\r | |
| 1100 | )\r | |
| 1101 | ;\r | |
| 1102 | \r | |
| e49ef433 | 1103 | /**\r |
| 1104 | Remove one pre-fetched key out of the Unicode FIFO buffer.\r | |
| 1105 | \r | |
| 1106 | @param TerminalDevice Terminal driver private structure.\r | |
| 1107 | @param Output The key will be removed.\r | |
| 1108 | \r | |
| 1109 | @return TRUE If insert successfully.\r | |
| 1110 | @return FLASE If Unicode FIFO buffer is empty before remove operation.\r | |
| 1111 | \r | |
| 1112 | **/\r | |
| 95276127 | 1113 | BOOLEAN\r |
| 1114 | UnicodeFiFoRemoveOneKey (\r | |
| 1115 | TERMINAL_DEV *TerminalDevice,\r | |
| 1116 | UINT16 *Output\r | |
| 1117 | )\r | |
| 1118 | ;\r | |
| 1119 | \r | |
| e49ef433 | 1120 | /**\r |
| 1121 | Clarify whether Unicode FIFO buffer is empty.\r | |
| 1122 | \r | |
| 1123 | @param TerminalDevice Terminal driver private structure\r | |
| 1124 | \r | |
| 1125 | @return TRUE If Unicode FIFO buffer is empty.\r | |
| 1126 | @return FLASE If Unicode FIFO buffer is not empty.\r | |
| 1127 | \r | |
| 1128 | **/\r | |
| 95276127 | 1129 | BOOLEAN\r |
| 1130 | IsUnicodeFiFoEmpty (\r | |
| 1131 | TERMINAL_DEV *TerminalDevice\r | |
| 1132 | )\r | |
| 1133 | ;\r | |
| 1134 | \r | |
| e49ef433 | 1135 | /**\r |
| 1136 | Clarify whether Unicode FIFO buffer is full.\r | |
| 1137 | \r | |
| 1138 | @param TerminalDevice Terminal driver private structure\r | |
| 1139 | \r | |
| 1140 | @return TRUE If Unicode FIFO buffer is full.\r | |
| 1141 | @return FLASE If Unicode FIFO buffer is not full.\r | |
| 1142 | \r | |
| 1143 | **/\r | |
| 95276127 | 1144 | BOOLEAN\r |
| 1145 | IsUnicodeFiFoFull (\r | |
| 1146 | TERMINAL_DEV *TerminalDevice\r | |
| 1147 | )\r | |
| 1148 | ;\r | |
| 1149 | \r | |
| 8fd98315 | 1150 | /**\r |
| 1151 | Count Unicode FIFO buffer.\r | |
| 1152 | \r | |
| 1153 | @param TerminalDevice Terminal driver private structure\r | |
| 1154 | \r | |
| 1155 | @return The count in bytes of Unicode FIFO.\r | |
| 1156 | \r | |
| 1157 | **/\r | |
| 95276127 | 1158 | UINT8\r |
| 1159 | UnicodeFiFoGetKeyCount (\r | |
| 1160 | TERMINAL_DEV *TerminalDevice\r | |
| 1161 | )\r | |
| 1162 | ;\r | |
| 1163 | \r | |
| 8fd98315 | 1164 | /**\r |
| 1165 | Translate raw data into Unicode (according to different encode), and \r | |
| 1166 | translate Unicode into key information. (according to different standard). \r | |
| 1167 | \r | |
| 1168 | @param TerminalDevice Terminal driver private structure.\r | |
| 1169 | \r | |
| 1170 | @return none.\r | |
| 1171 | \r | |
| 1172 | **/\r | |
| 95276127 | 1173 | VOID\r |
| 1174 | TranslateRawDataToEfiKey (\r | |
| 1175 | IN TERMINAL_DEV *TerminalDevice\r | |
| 1176 | )\r | |
| 1177 | ;\r | |
| 1178 | \r | |
| 1179 | //\r | |
| 1180 | // internal functions for PC ANSI\r | |
| 1181 | //\r | |
| 8fd98315 | 1182 | \r |
| 1183 | /**\r | |
| 1184 | Translate all raw data in the Raw FIFI into unicode, and insert\r | |
| 1185 | them into Unicode FIFO.\r | |
| 1186 | \r | |
| 1187 | @param TerminalDevice The terminal device.\r | |
| 1188 | \r | |
| 1189 | @return None.\r | |
| 1190 | \r | |
| 1191 | **/\r | |
| 95276127 | 1192 | VOID\r |
| 1193 | AnsiRawDataToUnicode (\r | |
| 8fd98315 | 1194 | IN TERMINAL_DEV *TerminalDevice\r |
| 95276127 | 1195 | )\r |
| 1196 | ;\r | |
| 1197 | \r | |
| 8fd98315 | 1198 | /**\r |
| 1199 | Converts a stream of Unicode characters from a terminal input device into EFI Keys that\r | |
| 1200 | can be read through the Simple Input Protocol. \r | |
| 1201 | \r | |
| 1202 | The table below shows the keyboard input mappings that this function supports.\r | |
| 1203 | If the ESC sequence listed in one of the columns is presented, then it is translated\r | |
| 1204 | into the coorespoding EFI Scan Code. If a matching sequence is not found, then the raw\r | |
| 1205 | key strokes are converted into EFI Keys.\r | |
| 1206 | \r | |
| 1207 | 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not\r | |
| 1208 | completed in 2 seconds, then the raw key strokes of the partial ESC sequence are\r | |
| 1209 | converted into EFI Keys.\r | |
| 1210 | There is one special input sequence that will force the system to reset.\r | |
| 1211 | This is ESC R ESC r ESC R.\r | |
| 1212 | \r | |
| 1213 | Symbols used in table below\r | |
| 1214 | ===========================\r | |
| 1215 | ESC = 0x1B\r | |
| 1216 | CSI = 0x9B\r | |
| 1217 | DEL = 0x7f\r | |
| 1218 | ^ = CTRL\r | |
| 1219 | +=========+======+===========+==========+==========+\r | |
| 1220 | | | EFI | UEFI 2.0 | | |\r | |
| 1221 | | | Scan | | VT100+ | |\r | |
| 1222 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
| 1223 | +=========+======+===========+==========+==========+\r | |
| 1224 | | NULL | 0x00 | | | |\r | |
| 1225 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
| 1226 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
| 1227 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
| 1228 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
| 1229 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
| 1230 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
| 1231 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
| 1232 | | | | ESC [ L | | ESC [ L |\r | |
| 1233 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
| 1234 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
| 1235 | | | | | | ESC [ ? |\r | |
| 1236 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
| 1237 | | | | | | ESC [ / |\r | |
| 1238 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
| 1239 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
| 1240 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
| 1241 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
| 1242 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
| 1243 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
| 1244 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
| 1245 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
| 1246 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
| 1247 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
| 1248 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
| 1249 | | F11 | 0x15 | | ESC ! | |\r | |
| 1250 | | F12 | 0x16 | | ESC @ | |\r | |
| 1251 | +=========+======+===========+==========+==========+\r | |
| 1252 | \r | |
| 1253 | Special Mappings\r | |
| 1254 | ================\r | |
| 1255 | ESC R ESC r ESC R = Reset System\r | |
| 1256 | \r | |
| 1257 | \r | |
| 1258 | @param TerminalDevice The terminal device to use to translate raw input into EFI Keys\r | |
| 1259 | \r | |
| 1260 | @return None.\r | |
| 1261 | \r | |
| 1262 | **/\r | |
| 95276127 | 1263 | VOID\r |
| 1264 | UnicodeToEfiKey (\r | |
| 1265 | IN TERMINAL_DEV *PcAnsiDevice\r | |
| 1266 | )\r | |
| 1267 | ;\r | |
| 1268 | \r | |
| 8fd98315 | 1269 | /**\r |
| 1270 | Check if input string is valid Ascii string, valid EFI control characters\r | |
| 1271 | or valid text graphics.\r | |
| 1272 | \r | |
| 1273 | @param TerminalDevice The terminal device.\r | |
| 1274 | @param WString The input string. \r | |
| 1275 | \r | |
| 1276 | @retval EFI_UNSUPPORTED If not all input characters are valid.\r | |
| 1277 | @retval EFI_SUCCESS If all input characters are valid.\r | |
| 1278 | \r | |
| 1279 | **/\r | |
| 95276127 | 1280 | EFI_STATUS\r |
| 1281 | AnsiTestString (\r | |
| 1282 | IN TERMINAL_DEV *TerminalDevice,\r | |
| 95276127 | 1283 | IN CHAR16 *WString\r |
| 1284 | )\r | |
| 1285 | ;\r | |
| 1286 | \r | |
| 1287 | //\r | |
| 1288 | // internal functions for VTUTF8\r | |
| 1289 | //\r | |
| 8fd98315 | 1290 | \r |
| 1291 | /**\r | |
| 1292 | Translate all VT-UTF8 characters in the Raw FIFI into unicode characters, \r | |
| 1293 | and insert them into Unicode FIFO.\r | |
| 1294 | \r | |
| 1295 | @param VtUtf8Device The terminal device.\r | |
| 1296 | \r | |
| 1297 | @return None.\r | |
| 1298 | \r | |
| 1299 | **/\r | |
| 95276127 | 1300 | VOID\r |
| 1301 | VTUTF8RawDataToUnicode (\r | |
| 1302 | IN TERMINAL_DEV *VtUtf8Device\r | |
| 1303 | )\r | |
| 1304 | ;\r | |
| 1305 | \r | |
| 8fd98315 | 1306 | /**\r |
| 1307 | Check if input string is valid VT-UTF8 string.\r | |
| 1308 | \r | |
| 1309 | @param TerminalDevice The terminal device.\r | |
| 1310 | @param WString The input string. \r | |
| 1311 | \r | |
| 1312 | @retval EFI_SUCCESS If all input characters are valid.\r | |
| 1313 | \r | |
| 1314 | **/\r | |
| 95276127 | 1315 | EFI_STATUS\r |
| 1316 | VTUTF8TestString (\r | |
| 1317 | IN TERMINAL_DEV *TerminalDevice,\r | |
| 1318 | IN CHAR16 *WString\r | |
| 1319 | )\r | |
| 1320 | ;\r | |
| 1321 | \r | |
| 8fd98315 | 1322 | /** \r |
| 1323 | Translate one Unicode character into VT-UTF8 characters.\r | |
| 1324 | \r | |
| 1325 | UTF8 Encoding Table\r | |
| 1326 | Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding\r | |
| 1327 | 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx\r | |
| 1328 | 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx\r | |
| 1329 | 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx\r | |
| 1330 | \r | |
| 1331 | \r | |
| 1332 | @param Unicode Unicode character need translating.\r | |
| 1333 | @param Utf8Char Return VT-UTF8 character set.\r | |
| 1334 | @param ValidBytes The count of valid VT-UTF8 characters. If\r | |
| 1335 | ValidBytes is zero, no valid VT-UTF8 returned.\r | |
| 1336 | \r | |
| 1337 | @return None.\r | |
| 1338 | \r | |
| 1339 | **/\r | |
| 95276127 | 1340 | VOID\r |
| 1341 | UnicodeToUtf8 (\r | |
| 1342 | IN CHAR16 Unicode,\r | |
| 1343 | OUT UTF8_CHAR *Utf8Char,\r | |
| 1344 | OUT UINT8 *ValidBytes\r | |
| 1345 | )\r | |
| 1346 | ;\r | |
| 1347 | \r | |
| 8fd98315 | 1348 | /**\r |
| 1349 | Get one valid VT-UTF8 characters set from Raw Data FIFO.\r | |
| 1350 | \r | |
| 1351 | @param Utf8Device The terminal device.\r | |
| 1352 | @param Utf8Char Returned valid VT-UTF8 characters set.\r | |
| 1353 | @param ValidBytes The count of returned VT-VTF8 characters. \r | |
| 1354 | If ValidBytes is zero, no valid VT-UTF8 returned.\r | |
| 1355 | \r | |
| 1356 | @retval None.\r | |
| 1357 | \r | |
| 1358 | **/\r | |
| 95276127 | 1359 | VOID\r |
| 1360 | GetOneValidUtf8Char (\r | |
| 1361 | IN TERMINAL_DEV *Utf8Device,\r | |
| 1362 | OUT UTF8_CHAR *Utf8Char,\r | |
| 1363 | OUT UINT8 *ValidBytes\r | |
| 1364 | )\r | |
| 1365 | ;\r | |
| 1366 | \r | |
| 8fd98315 | 1367 | /** \r |
| 1368 | Translate VT-UTF8 characters into one Unicode character.\r | |
| 1369 | \r | |
| 1370 | UTF8 Encoding Table\r | |
| 1371 | Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding\r | |
| 1372 | 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx\r | |
| 1373 | 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx\r | |
| 1374 | 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx\r | |
| 1375 | \r | |
| 1376 | \r | |
| 1377 | @param Utf8Char VT-UTF8 character set needs translating.\r | |
| 1378 | @param ValidBytes The count of valid VT-UTF8 characters.\r | |
| 1379 | @param UnicodeChar Returned unicode character. \r | |
| 1380 | \r | |
| 1381 | @return None.\r | |
| 1382 | \r | |
| 1383 | **/\r | |
| 95276127 | 1384 | VOID\r |
| 1385 | Utf8ToUnicode (\r | |
| 1386 | IN UTF8_CHAR Utf8Char,\r | |
| 1387 | IN UINT8 ValidBytes,\r | |
| 1388 | OUT CHAR16 *UnicodeChar\r | |
| 1389 | )\r | |
| 1390 | ;\r | |
| 1391 | \r | |
| 1392 | //\r | |
| 1393 | // functions for boxdraw unicode\r | |
| 1394 | //\r | |
| 8fd98315 | 1395 | \r |
| 1396 | /**\r | |
| 1397 | Detects if a Unicode char is for Box Drawing text graphics.\r | |
| 1398 | \r | |
| 1399 | @param Graphic Unicode char to test.\r | |
| 1400 | @param PcAnsi Optional pointer to return PCANSI equivalent of\r | |
| 1401 | Graphic.\r | |
| 1402 | @param Ascii Optional pointer to return ASCII equivalent of\r | |
| 1403 | Graphic.\r | |
| 1404 | \r | |
| 1405 | @return TRUE If Graphic is a supported Unicode Box Drawing character.\r | |
| 1406 | \r | |
| 1407 | **/\r | |
| 95276127 | 1408 | BOOLEAN\r |
| 1409 | TerminalIsValidTextGraphics (\r | |
| 1410 | IN CHAR16 Graphic,\r | |
| 1411 | OUT CHAR8 *PcAnsi, OPTIONAL\r | |
| 1412 | OUT CHAR8 *Ascii OPTIONAL\r | |
| 1413 | )\r | |
| 1414 | ;\r | |
| 1415 | \r | |
| 8fd98315 | 1416 | /**\r |
| 1417 | Detects if a valid ASCII char.\r | |
| 1418 | \r | |
| 1419 | @param Ascii An ASCII character.\r | |
| 1420 | \r | |
| 1421 | @retval TRUE If it is a valid ASCII character.\r | |
| 1422 | @retval FALSE If it is not a valid ASCII character.\r | |
| 1423 | \r | |
| 1424 | **/\r | |
| 95276127 | 1425 | BOOLEAN\r |
| 1426 | TerminalIsValidAscii (\r | |
| 1427 | IN CHAR16 Ascii\r | |
| 1428 | )\r | |
| 1429 | ;\r | |
| 1430 | \r | |
| 8fd98315 | 1431 | /**\r |
| 1432 | Detects if a valid EFI control character.\r | |
| 1433 | \r | |
| 1434 | @param CharC An input EFI Control character.\r | |
| 1435 | \r | |
| 1436 | @retval TRUE If it is a valid EFI control character.\r | |
| 1437 | @retval FALSE If it is not a valid EFI control character.\r | |
| 1438 | \r | |
| 1439 | **/\r | |
| 95276127 | 1440 | BOOLEAN\r |
| 1441 | TerminalIsValidEfiCntlChar (\r | |
| 1442 | IN CHAR16 CharC\r | |
| 1443 | )\r | |
| 1444 | ;\r | |
| 1445 | \r | |
| 1446 | #endif\r |