projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ef2b01e | 1 | /** @file\r |
| 3402aac7 | 2 | Simple Console that sits on a SerialLib.\r |
| 2ef2b01e | 3 | \r |
| 60274cca | 4 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r |
| 3402aac7 | 5 | \r |
| 878b807a | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 2ef2b01e A |
7 | \r |
| 8 | **/\r | |
| 9 | \r | |
| 3402aac7 | 10 | /*\r |
| 2ef2b01e A |
11 | Symbols used in table below\r |
| 12 | ===========================\r | |
| 13 | ESC = 0x1B\r | |
| 14 | CSI = 0x9B\r | |
| 15 | DEL = 0x7f\r | |
| 16 | ^ = CTRL\r | |
| 17 | \r | |
| 18 | +=========+======+===========+==========+==========+\r | |
| 19 | | | EFI | UEFI 2.0 | | |\r | |
| 20 | | | Scan | | VT100+ | |\r | |
| 21 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
| 22 | +=========+======+===========+==========+==========+\r | |
| 23 | | NULL | 0x00 | | | |\r | |
| 24 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
| 25 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
| 26 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
| 27 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
| 28 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
| 29 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
| 30 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
| 31 | | | | ESC [ L | | ESC [ L |\r | |
| 32 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
| 33 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
| 34 | | | | | | ESC [ ? |\r | |
| 35 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
| 36 | | | | | | ESC [ / |\r | |
| 37 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
| 38 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
| 39 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
| 40 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
| 41 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
| 42 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
| 43 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
| 44 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
| 45 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
| 46 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
| 47 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
| 48 | | F11 | 0x15 | | ESC ! | |\r | |
| 49 | | F12 | 0x16 | | ESC @ | |\r | |
| 50 | +=========+======+===========+==========+==========+\r | |
| 51 | \r | |
| 52 | */\r | |
| 53 | \r | |
| 54 | #include <PiDxe.h>\r | |
| 55 | #include <Library/UefiLib.h>\r | |
| 56 | #include <Library/UefiBootServicesTableLib.h>\r | |
| 57 | #include <Library/BaseLib.h>\r | |
| 58 | #include <Library/MemoryAllocationLib.h>\r | |
| 59 | #include <Library/DebugLib.h>\r | |
| 60 | #include <Library/SerialPortLib.h>\r | |
| 026e30c4 | 61 | #include <Library/PcdLib.h>\r |
| 2ef2b01e A |
62 | \r |
| 63 | #include <Protocol/SerialIo.h>\r | |
| 64 | #include <Protocol/SimpleTextIn.h>\r | |
| 65 | #include <Protocol/SimpleTextOut.h>\r | |
| 026e30c4 | 66 | #include <Protocol/DevicePath.h>\r |
| 2ef2b01e A |
67 | \r |
| 68 | \r | |
| 69 | #define MODE0_COLUMN_COUNT 80\r | |
| 70 | #define MODE0_ROW_COUNT 25\r | |
| 71 | \r | |
| 72 | \r | |
| 73 | EFI_STATUS\r | |
| 74 | EFIAPI\r | |
| 75 | TextInReset(\r | |
| 76 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 77 | IN BOOLEAN ExtendedVerification\r | |
| 78 | );\r | |
| 79 | \r | |
| 80 | \r | |
| 81 | EFI_STATUS\r | |
| 82 | EFIAPI\r | |
| 83 | ReadKeyStroke(\r | |
| 84 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 85 | OUT EFI_INPUT_KEY *Key\r | |
| 86 | );\r | |
| 87 | \r | |
| 88 | \r | |
| 89 | EFI_STATUS\r | |
| 90 | EFIAPI\r | |
| 91 | TextOutReset(\r | |
| 92 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 93 | IN BOOLEAN ExtendedVerification\r | |
| 94 | );\r | |
| 95 | \r | |
| 96 | CHAR8 *\r | |
| 97 | EFIAPI\r | |
| 98 | SafeUnicodeStrToAsciiStr (\r | |
| 99 | IN CONST CHAR16 *Source,\r | |
| 100 | OUT CHAR8 *Destination\r | |
| 101 | );\r | |
| 102 | \r | |
| 103 | EFI_STATUS\r | |
| 104 | EFIAPI\r | |
| 105 | OutputString (\r | |
| 106 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 107 | IN CHAR16 *String\r | |
| 108 | );\r | |
| 109 | \r | |
| 110 | \r | |
| 111 | EFI_STATUS\r | |
| 112 | EFIAPI\r | |
| 113 | TestString (\r | |
| 114 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 115 | IN CHAR16 *String\r | |
| 116 | );\r | |
| 117 | \r | |
| 118 | \r | |
| 119 | EFI_STATUS\r | |
| 120 | EFIAPI\r | |
| 121 | QueryMode (\r | |
| 122 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 123 | IN UINTN ModeNumber,\r | |
| 124 | OUT UINTN *Columns,\r | |
| 125 | OUT UINTN *Rows\r | |
| 126 | );\r | |
| 127 | \r | |
| 128 | \r | |
| 129 | EFI_STATUS\r | |
| 130 | EFIAPI\r | |
| 131 | SetMode(\r | |
| 132 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 133 | IN UINTN ModeNumber\r | |
| 134 | );\r | |
| 135 | \r | |
| 136 | \r | |
| 137 | EFI_STATUS\r | |
| 138 | EFIAPI\r | |
| 139 | SetAttribute(\r | |
| 140 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 141 | IN UINTN Attribute\r | |
| 142 | );\r | |
| 143 | \r | |
| 144 | \r | |
| 145 | EFI_STATUS\r | |
| 146 | EFIAPI\r | |
| 147 | ClearScreen (\r | |
| 148 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
| 149 | );\r | |
| 150 | \r | |
| 151 | \r | |
| 152 | EFI_STATUS\r | |
| 153 | EFIAPI\r | |
| 154 | SetCursorPosition (\r | |
| 155 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 156 | IN UINTN Column,\r | |
| 157 | IN UINTN Row\r | |
| 158 | );\r | |
| 159 | \r | |
| 160 | \r | |
| 161 | EFI_STATUS\r | |
| 162 | EFIAPI\r | |
| 163 | EnableCursor (\r | |
| 164 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 165 | IN BOOLEAN Enable\r | |
| 166 | );\r | |
| 167 | \r | |
| 168 | \r | |
| 169 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL mSimpleTextIn = {\r | |
| 170 | TextInReset,\r | |
| 171 | ReadKeyStroke,\r | |
| 172 | NULL\r | |
| 173 | };\r | |
| 174 | \r | |
| 175 | EFI_SIMPLE_TEXT_OUTPUT_MODE mSimpleTextOutMode = {\r | |
| 176 | 1,\r | |
| 177 | 0,\r | |
| 178 | EFI_TEXT_ATTR( EFI_LIGHTGRAY, EFI_BLACK ),\r | |
| 179 | 0,\r | |
| 180 | 0,\r | |
| 181 | TRUE\r | |
| 182 | };\r | |
| 183 | \r | |
| 184 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL mSimpleTextOut = {\r | |
| 185 | TextOutReset,\r | |
| 186 | OutputString,\r | |
| 187 | TestString,\r | |
| 188 | QueryMode,\r | |
| 189 | SetMode,\r | |
| 190 | SetAttribute,\r | |
| 191 | ClearScreen,\r | |
| 192 | SetCursorPosition,\r | |
| 193 | EnableCursor,\r | |
| 194 | &mSimpleTextOutMode\r | |
| 195 | };\r | |
| 196 | \r | |
| 026e30c4 | 197 | EFI_HANDLE mInstallHandle = NULL;\r |
| 198 | \r | |
| 199 | typedef struct {\r | |
| 200 | VENDOR_DEVICE_PATH Guid;\r | |
| 201 | UART_DEVICE_PATH Uart;\r | |
| 202 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
| 203 | } SIMPLE_TEXT_OUT_DEVICE_PATH;\r | |
| 204 | \r | |
| 205 | SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {\r | |
| 206 | {\r | |
| b0fdce95 | 207 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, { sizeof (VENDOR_DEVICE_PATH), 0} },\r |
| 026e30c4 | 208 | EFI_CALLER_ID_GUID\r |
| 209 | },\r | |
| 210 | {\r | |
| b0fdce95 | 211 | { MESSAGING_DEVICE_PATH, MSG_UART_DP, { sizeof (UART_DEVICE_PATH), 0} },\r |
| 026e30c4 | 212 | 0, // Reserved\r |
| 213 | FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate\r | |
| 214 | FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits\r | |
| 215 | FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)\r | |
| 216 | FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits\r | |
| 217 | },\r | |
| b0fdce95 | 218 | { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0} }\r |
| 026e30c4 | 219 | };\r |
| 220 | \r | |
| 2ef2b01e A |
221 | \r |
| 222 | \r | |
| 223 | \r | |
| 224 | BOOLEAN\r | |
| 225 | TextOutIsValidAscii (\r | |
| 226 | IN CHAR16 Ascii\r | |
| 227 | )\r | |
| 228 | {\r | |
| 229 | //\r | |
| 230 | // valid ASCII code lies in the extent of 0x20 - 0x7F\r | |
| 231 | //\r | |
| 232 | if ((Ascii >= 0x20) && (Ascii <= 0x7F)) {\r | |
| 233 | return TRUE;\r | |
| 234 | }\r | |
| 235 | \r | |
| 236 | return FALSE;\r | |
| 237 | }\r | |
| 238 | \r | |
| 239 | \r | |
| 240 | BOOLEAN\r | |
| 241 | TextOutIsValidEfiCntlChar (\r | |
| 242 | IN CHAR16 Char\r | |
| 243 | )\r | |
| 244 | {\r | |
| 245 | //\r | |
| 246 | // only support four control characters.\r | |
| 247 | //\r | |
| 248 | if (Char == CHAR_NULL ||\r | |
| 249 | Char == CHAR_BACKSPACE ||\r | |
| 250 | Char == CHAR_LINEFEED ||\r | |
| 251 | Char == CHAR_CARRIAGE_RETURN ||\r | |
| 252 | Char == CHAR_TAB ) {\r | |
| 253 | return TRUE;\r | |
| 254 | }\r | |
| 255 | \r | |
| 256 | return FALSE;\r | |
| 257 | }\r | |
| 258 | \r | |
| 259 | \r | |
| 260 | VOID\r | |
| 261 | EFIAPI\r | |
| 262 | WaitForKeyEvent (\r | |
| 263 | IN EFI_EVENT Event,\r | |
| 264 | IN VOID *Context\r | |
| 265 | )\r | |
| 266 | {\r | |
| 267 | if (SerialPortPoll ()) {\r | |
| 268 | gBS->SignalEvent (Event);\r | |
| 269 | }\r | |
| 270 | }\r | |
| 271 | \r | |
| 272 | \r | |
| 273 | EFI_STATUS\r | |
| 274 | EFIAPI\r | |
| 275 | TextInReset (\r | |
| 276 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 277 | IN BOOLEAN ExtendedVerification\r | |
| 278 | )\r | |
| 279 | {\r | |
| 280 | return EFI_SUCCESS;\r | |
| 281 | }\r | |
| 282 | \r | |
| 283 | \r | |
| 284 | EFI_STATUS\r | |
| 285 | EFIAPI\r | |
| 286 | ReadKeyStroke (\r | |
| 287 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
| 288 | OUT EFI_INPUT_KEY *Key\r | |
| 289 | )\r | |
| 290 | {\r | |
| 291 | CHAR8 Char;\r | |
| 3402aac7 | 292 | \r |
| 026e30c4 | 293 | if (!SerialPortPoll ()) {\r |
| 294 | return EFI_NOT_READY;\r | |
| 295 | }\r | |
| 3402aac7 | 296 | \r |
| 2ef2b01e | 297 | SerialPortRead ((UINT8 *)&Char, 1);\r |
| 3402aac7 | 298 | \r |
| 2ef2b01e | 299 | //\r |
| c6a72cd7 | 300 | // Check for ESC sequence. This code is not technically correct VT100 code.\r |
| 2ef2b01e | 301 | // An illegal ESC sequence represents an ESC and the characters that follow.\r |
| 3402aac7 | 302 | // This code will eat one or two chars after an escape. This is done to\r |
| 2ef2b01e A |
303 | // prevent some complex FIFOing of the data. It is good enough to get\r |
| 304 | // the arrow and delete keys working\r | |
| 305 | //\r | |
| 306 | Key->UnicodeChar = 0;\r | |
| 307 | Key->ScanCode = SCAN_NULL;\r | |
| 308 | if (Char == 0x1b) {\r | |
| 309 | SerialPortRead ((UINT8 *)&Char, 1);\r | |
| 310 | if (Char == '[') {\r | |
| 311 | SerialPortRead ((UINT8 *)&Char, 1);\r | |
| 312 | switch (Char) {\r | |
| 313 | case 'A':\r | |
| 314 | Key->ScanCode = SCAN_UP;\r | |
| 315 | break;\r | |
| 316 | case 'B':\r | |
| 317 | Key->ScanCode = SCAN_DOWN;\r | |
| 318 | break;\r | |
| 319 | case 'C':\r | |
| 320 | Key->ScanCode = SCAN_RIGHT;\r | |
| 321 | break;\r | |
| 322 | case 'D':\r | |
| 323 | Key->ScanCode = SCAN_LEFT;\r | |
| 324 | break;\r | |
| 325 | case 'H':\r | |
| 326 | Key->ScanCode = SCAN_HOME;\r | |
| 327 | break;\r | |
| 328 | case 'K':\r | |
| 3402aac7 | 329 | case 'F': // PC ANSI\r |
| 2ef2b01e A |
330 | Key->ScanCode = SCAN_END;\r |
| 331 | break;\r | |
| 332 | case '@':\r | |
| 333 | case 'L':\r | |
| 334 | Key->ScanCode = SCAN_INSERT;\r | |
| 335 | break;\r | |
| 336 | case 'P':\r | |
| 3402aac7 | 337 | case 'X': // PC ANSI\r |
| 2ef2b01e A |
338 | Key->ScanCode = SCAN_DELETE;\r |
| 339 | break;\r | |
| 340 | case 'U':\r | |
| 341 | case '/':\r | |
| 342 | case 'G': // PC ANSI\r | |
| 343 | Key->ScanCode = SCAN_PAGE_DOWN;\r | |
| 344 | break;\r | |
| 345 | case 'V':\r | |
| 346 | case '?':\r | |
| 347 | case 'I': // PC ANSI\r | |
| 348 | Key->ScanCode = SCAN_PAGE_UP;\r | |
| 349 | break;\r | |
| 350 | \r | |
| 351 | // PCANSI that does not conflict with VT100\r | |
| 352 | case 'M':\r | |
| 353 | Key->ScanCode = SCAN_F1;\r | |
| 354 | break;\r | |
| 355 | case 'N':\r | |
| 356 | Key->ScanCode = SCAN_F2;\r | |
| 357 | break;\r | |
| 358 | case 'O':\r | |
| 359 | Key->ScanCode = SCAN_F3;\r | |
| 360 | break;\r | |
| 361 | case 'Q':\r | |
| 362 | Key->ScanCode = SCAN_F5;\r | |
| 363 | break;\r | |
| 364 | case 'R':\r | |
| 365 | Key->ScanCode = SCAN_F6;\r | |
| 366 | break;\r | |
| 367 | case 'S':\r | |
| 368 | Key->ScanCode = SCAN_F7;\r | |
| 369 | break;\r | |
| 370 | case 'T':\r | |
| 371 | Key->ScanCode = SCAN_F8;\r | |
| 372 | break;\r | |
| 373 | \r | |
| 374 | default:\r | |
| 375 | Key->UnicodeChar = Char;\r | |
| 376 | break;\r | |
| 377 | }\r | |
| 378 | } else if (Char == '0') {\r | |
| 379 | SerialPortRead ((UINT8 *)&Char, 1);\r | |
| 380 | switch (Char) {\r | |
| 381 | case 'P':\r | |
| 382 | Key->ScanCode = SCAN_F1;\r | |
| 383 | break;\r | |
| 384 | case 'Q':\r | |
| 385 | Key->ScanCode = SCAN_F2;\r | |
| 386 | break;\r | |
| 387 | case 'w':\r | |
| 388 | Key->ScanCode = SCAN_F3;\r | |
| 389 | break;\r | |
| 390 | case 'x':\r | |
| 391 | Key->ScanCode = SCAN_F4;\r | |
| 392 | break;\r | |
| 393 | case 't':\r | |
| 394 | Key->ScanCode = SCAN_F5;\r | |
| 395 | break;\r | |
| 396 | case 'u':\r | |
| 397 | Key->ScanCode = SCAN_F6;\r | |
| 398 | break;\r | |
| 399 | case 'q':\r | |
| 400 | Key->ScanCode = SCAN_F7;\r | |
| 401 | break;\r | |
| 402 | case 'r':\r | |
| 403 | Key->ScanCode = SCAN_F8;\r | |
| 404 | break;\r | |
| 405 | case 'p':\r | |
| 406 | Key->ScanCode = SCAN_F9;\r | |
| 407 | break;\r | |
| 408 | case 'm':\r | |
| 409 | Key->ScanCode = SCAN_F10;\r | |
| 410 | break;\r | |
| 411 | default :\r | |
| 412 | break;\r | |
| 413 | }\r | |
| 414 | }\r | |
| 415 | } else if (Char < ' ') {\r | |
| 3402aac7 RC |
416 | if ((Char == CHAR_BACKSPACE) ||\r |
| 417 | (Char == CHAR_TAB) ||\r | |
| 418 | (Char == CHAR_LINEFEED) ||\r | |
| 2ef2b01e A |
419 | (Char == CHAR_CARRIAGE_RETURN)) {\r |
| 420 | // Only let through EFI required control characters\r | |
| 3402aac7 | 421 | Key->UnicodeChar = (CHAR16)Char;\r |
| 2ef2b01e A |
422 | }\r |
| 423 | } else if (Char == 0x7f) {\r | |
| 424 | Key->ScanCode = SCAN_DELETE;\r | |
| 425 | } else {\r | |
| 426 | Key->UnicodeChar = (CHAR16)Char;\r | |
| 427 | }\r | |
| 428 | \r | |
| 429 | return EFI_SUCCESS;\r | |
| 430 | }\r | |
| 431 | \r | |
| 432 | \r | |
| 433 | EFI_STATUS\r | |
| 434 | EFIAPI\r | |
| 435 | TextOutReset (\r | |
| 436 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 437 | IN BOOLEAN ExtendedVerification\r | |
| 438 | )\r | |
| 439 | {\r | |
| 440 | EFI_STATUS Status;\r | |
| 441 | \r | |
| 442 | This->SetAttribute(\r | |
| 443 | This,\r | |
| 444 | EFI_TEXT_ATTR(This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK)\r | |
| 445 | );\r | |
| 446 | \r | |
| 447 | Status = This->SetMode (This, 0);\r | |
| 448 | \r | |
| 449 | return Status;\r | |
| 450 | }\r | |
| 451 | \r | |
| 452 | CHAR8 *\r | |
| 453 | EFIAPI\r | |
| 454 | SafeUnicodeStrToAsciiStr (\r | |
| 455 | IN CONST CHAR16 *Source,\r | |
| 456 | OUT CHAR8 *Destination\r | |
| 457 | )\r | |
| 458 | {\r | |
| 459 | CHAR8 *ReturnValue;\r | |
| 460 | \r | |
| 461 | ASSERT (Destination != NULL);\r | |
| 462 | \r | |
| 463 | //\r | |
| 464 | // ASSERT if Source is long than PcdMaximumUnicodeStringLength.\r | |
| 465 | // Length tests are performed inside StrLen().\r | |
| 466 | //\r | |
| 467 | ASSERT (StrSize (Source) != 0);\r | |
| 468 | \r | |
| 469 | //\r | |
| 470 | // Source and Destination should not overlap\r | |
| 471 | //\r | |
| 472 | ASSERT ((UINTN) ((CHAR16 *) Destination - Source) > StrLen (Source));\r | |
| 473 | ASSERT ((UINTN) ((CHAR8 *) Source - Destination) > StrLen (Source));\r | |
| 474 | \r | |
| 475 | \r | |
| 476 | ReturnValue = Destination;\r | |
| 477 | while (*Source != '\0') {\r | |
| 478 | //\r | |
| 479 | // If any non-ascii characters in Source then replace it with '?'.\r | |
| 480 | //\r | |
| 481 | if (*Source < 0x80) {\r | |
| 482 | *Destination = (CHAR8) *Source;\r | |
| 483 | } else {\r | |
| 484 | *Destination = '?';\r | |
| 485 | \r | |
| 486 | //Surrogate pair check.\r | |
| 487 | if ((*Source >= 0xD800) && (*Source <= 0xDFFF)) {\r | |
| 488 | Source++;\r | |
| 489 | }\r | |
| 490 | }\r | |
| 491 | \r | |
| 492 | Destination++;\r | |
| 493 | Source++;\r | |
| 494 | }\r | |
| 495 | \r | |
| 496 | *Destination = '\0';\r | |
| 497 | \r | |
| 498 | //\r | |
| 499 | // ASSERT Original Destination is less long than PcdMaximumAsciiStringLength.\r | |
| 500 | // Length tests are performed inside AsciiStrLen().\r | |
| 501 | //\r | |
| 502 | ASSERT (AsciiStrSize (ReturnValue) != 0);\r | |
| 503 | \r | |
| 504 | return ReturnValue;\r | |
| 505 | }\r | |
| 506 | \r | |
| 507 | EFI_STATUS\r | |
| 508 | EFIAPI\r | |
| 509 | OutputString (\r | |
| 510 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 511 | IN CHAR16 *String\r | |
| 512 | )\r | |
| 513 | {\r | |
| 56226bf7 | 514 | UINTN Size;\r |
| 515 | CHAR8* OutputString;\r | |
| 516 | EFI_STATUS Status;\r | |
| 517 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
| 518 | UINTN MaxColumn;\r | |
| 519 | UINTN MaxRow;\r | |
| 3402aac7 | 520 | \r |
| 56226bf7 | 521 | Size = StrLen(String) + 1;\r |
| 522 | OutputString = AllocatePool(Size);\r | |
| 523 | \r | |
| 2ef2b01e A |
524 | //If there is any non-ascii characters in String buffer then replace it with '?'\r |
| 525 | //Eventually, UnicodeStrToAsciiStr API should be fixed.\r | |
| 3402aac7 | 526 | SafeUnicodeStrToAsciiStr(String, OutputString);\r |
| 2ef2b01e A |
527 | SerialPortWrite ((UINT8 *)OutputString, Size - 1);\r |
| 528 | \r | |
| 56226bf7 | 529 | //\r |
| 530 | // Parse each character of the string to output\r | |
| 531 | // to update the cursor position information\r | |
| 532 | //\r | |
| 533 | Mode = This->Mode;\r | |
| 534 | \r | |
| 535 | Status = This->QueryMode (\r | |
| 536 | This,\r | |
| 537 | Mode->Mode,\r | |
| 538 | &MaxColumn,\r | |
| 539 | &MaxRow\r | |
| 540 | );\r | |
| 541 | if (EFI_ERROR (Status)) {\r | |
| 542 | return Status;\r | |
| 543 | }\r | |
| 544 | \r | |
| 545 | for (; *String != CHAR_NULL; String++) {\r | |
| 546 | \r | |
| 547 | switch (*String) {\r | |
| 548 | case CHAR_BACKSPACE:\r | |
| 549 | if (Mode->CursorColumn > 0) {\r | |
| 550 | Mode->CursorColumn--;\r | |
| 551 | }\r | |
| 552 | break;\r | |
| 553 | \r | |
| 554 | case CHAR_LINEFEED:\r | |
| 555 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
| 556 | Mode->CursorRow++;\r | |
| 557 | }\r | |
| 558 | break;\r | |
| 559 | \r | |
| 560 | case CHAR_CARRIAGE_RETURN:\r | |
| 561 | Mode->CursorColumn = 0;\r | |
| 562 | break;\r | |
| 563 | \r | |
| 564 | default:\r | |
| 565 | if (Mode->CursorColumn >= (INT32) (MaxColumn - 1)) {\r | |
| 566 | // Move the cursor as if we print CHAR_CARRIAGE_RETURN & CHAR_LINE_FEED\r | |
| 567 | // CHAR_LINEFEED\r | |
| 568 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
| 569 | Mode->CursorRow++;\r | |
| 570 | }\r | |
| 571 | // CHAR_CARIAGE_RETURN\r | |
| 572 | Mode->CursorColumn = 0;\r | |
| 573 | } else {\r | |
| 574 | Mode->CursorColumn++;\r | |
| 575 | }\r | |
| 576 | break;\r | |
| 577 | }\r | |
| 578 | }\r | |
| 579 | \r | |
| 2ef2b01e A |
580 | FreePool(OutputString);\r |
| 581 | \r | |
| 582 | return EFI_SUCCESS;\r | |
| 583 | }\r | |
| 584 | \r | |
| 585 | \r | |
| 586 | EFI_STATUS\r | |
| 587 | EFIAPI\r | |
| 588 | TestString (\r | |
| 589 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 590 | IN CHAR16 *String\r | |
| 591 | )\r | |
| 592 | {\r | |
| 593 | CHAR8 Character;\r | |
| 594 | \r | |
| 595 | for ( ; *String != CHAR_NULL; String++) {\r | |
| 596 | Character = (CHAR8)*String;\r | |
| 597 | if (!(TextOutIsValidAscii (Character) || TextOutIsValidEfiCntlChar (Character))) {\r | |
| 598 | return EFI_UNSUPPORTED;\r | |
| 599 | }\r | |
| 600 | }\r | |
| 601 | \r | |
| 602 | return EFI_SUCCESS;\r | |
| 603 | }\r | |
| 604 | \r | |
| 605 | \r | |
| 606 | EFI_STATUS\r | |
| 607 | EFIAPI\r | |
| 608 | QueryMode (\r | |
| 609 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 610 | IN UINTN ModeNumber,\r | |
| 611 | OUT UINTN *Columns,\r | |
| 612 | OUT UINTN *Rows\r | |
| 613 | )\r | |
| 614 | {\r | |
| 615 | if (This->Mode->MaxMode > 1) {\r | |
| 616 | return EFI_DEVICE_ERROR;\r | |
| 617 | }\r | |
| 618 | \r | |
| 619 | if (ModeNumber == 0) {\r | |
| 620 | *Columns = MODE0_COLUMN_COUNT;\r | |
| 621 | *Rows = MODE0_ROW_COUNT;\r | |
| 622 | return EFI_SUCCESS;\r | |
| 623 | }\r | |
| 624 | \r | |
| 625 | return EFI_UNSUPPORTED;\r | |
| 626 | }\r | |
| 627 | \r | |
| 628 | \r | |
| 629 | EFI_STATUS\r | |
| 630 | EFIAPI\r | |
| 631 | SetMode (\r | |
| 632 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 633 | IN UINTN ModeNumber\r | |
| 634 | )\r | |
| 635 | {\r | |
| 636 | if (ModeNumber != 0) {\r | |
| 637 | return EFI_UNSUPPORTED;\r | |
| 638 | }\r | |
| 639 | \r | |
| 640 | This->Mode->Mode = 0;\r | |
| 641 | This->ClearScreen (This);\r | |
| 642 | return EFI_SUCCESS;\r | |
| 643 | }\r | |
| 644 | \r | |
| 645 | \r | |
| 646 | EFI_STATUS\r | |
| 647 | EFIAPI\r | |
| 648 | SetAttribute(\r | |
| 649 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 650 | IN UINTN Attribute\r | |
| 651 | )\r | |
| 652 | {\r | |
| 653 | This->Mode->Attribute = (INT32)Attribute;\r | |
| 654 | return EFI_SUCCESS;\r | |
| 655 | }\r | |
| 656 | \r | |
| 657 | \r | |
| 658 | EFI_STATUS\r | |
| 659 | EFIAPI\r | |
| 660 | ClearScreen (\r | |
| 661 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
| 662 | )\r | |
| 663 | {\r | |
| 664 | EFI_STATUS Status;\r | |
| 665 | \r | |
| 666 | Status = This->SetCursorPosition (This, 0, 0);\r | |
| 667 | return Status;\r | |
| 668 | }\r | |
| 669 | \r | |
| 670 | \r | |
| 671 | EFI_STATUS\r | |
| 672 | EFIAPI\r | |
| 673 | SetCursorPosition (\r | |
| 674 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 675 | IN UINTN Column,\r | |
| 676 | IN UINTN Row\r | |
| 677 | )\r | |
| 678 | {\r | |
| 679 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
| 680 | EFI_STATUS Status;\r | |
| 681 | UINTN MaxColumn;\r | |
| 682 | UINTN MaxRow;\r | |
| 683 | \r | |
| 684 | Mode = This->Mode;\r | |
| 685 | \r | |
| 686 | Status = This->QueryMode(\r | |
| 687 | This,\r | |
| 688 | Mode->Mode,\r | |
| 689 | &MaxColumn,\r | |
| 3402aac7 | 690 | &MaxRow\r |
| 2ef2b01e A |
691 | );\r |
| 692 | if (EFI_ERROR(Status)) {\r | |
| 693 | return EFI_UNSUPPORTED;\r | |
| 694 | }\r | |
| 695 | \r | |
| 696 | if ((Column >= MaxColumn) || (Row >= MaxRow)) {\r | |
| 697 | return EFI_UNSUPPORTED;\r | |
| 698 | }\r | |
| 699 | \r | |
| 700 | Mode->CursorColumn = (INT32)Column;\r | |
| 701 | Mode->CursorRow = (INT32)Row;\r | |
| 702 | \r | |
| 703 | return EFI_SUCCESS;\r | |
| 704 | }\r | |
| 705 | \r | |
| 706 | \r | |
| 707 | EFI_STATUS\r | |
| 708 | EFIAPI\r | |
| 709 | EnableCursor (\r | |
| 710 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
| 711 | IN BOOLEAN Enable\r | |
| 712 | )\r | |
| 713 | {\r | |
| 714 | if (!Enable) {\r | |
| 715 | return EFI_UNSUPPORTED;\r | |
| 716 | }\r | |
| 717 | \r | |
| 718 | return EFI_SUCCESS;\r | |
| 719 | }\r | |
| 720 | \r | |
| 721 | \r | |
| 722 | EFI_STATUS\r | |
| 723 | EFIAPI\r | |
| 724 | SimpleTextInOutEntryPoint (\r | |
| 725 | IN EFI_HANDLE ImageHandle,\r | |
| 726 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
| 727 | )\r | |
| 728 | {\r | |
| 729 | EFI_STATUS Status;\r | |
| 730 | \r | |
| 731 | Status = gBS->CreateEvent (\r | |
| 732 | EVT_NOTIFY_WAIT,\r | |
| 733 | TPL_NOTIFY,\r | |
| 734 | WaitForKeyEvent,\r | |
| 735 | NULL,\r | |
| 736 | &mSimpleTextIn.WaitForKey\r | |
| 737 | );\r | |
| 738 | ASSERT_EFI_ERROR (Status);\r | |
| 3402aac7 | 739 | \r |
| 2ef2b01e A |
740 | Status = gBS->InstallMultipleProtocolInterfaces(\r |
| 741 | &mInstallHandle,\r | |
| 742 | &gEfiSimpleTextInProtocolGuid, &mSimpleTextIn,\r | |
| 743 | &gEfiSimpleTextOutProtocolGuid, &mSimpleTextOut,\r | |
| 026e30c4 | 744 | &gEfiDevicePathProtocolGuid, &mDevicePath,\r |
| 745 | NULL\r | |
| 2ef2b01e A |
746 | );\r |
| 747 | if (!EFI_ERROR (Status)) {\r | |
| 748 | gST->ConOut = &mSimpleTextOut;\r | |
| 749 | gST->ConIn = &mSimpleTextIn;\r | |
| 750 | }\r | |
| 3402aac7 | 751 | \r |
| 2ef2b01e A |
752 | return Status;\r |
| 753 | }\r |