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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 |
60274cca | 6 | This program and the accompanying materials\r |
2ef2b01e A |
7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
3402aac7 | 16 | /*\r |
2ef2b01e A |
17 | Symbols used in table below\r |
18 | ===========================\r | |
19 | ESC = 0x1B\r | |
20 | CSI = 0x9B\r | |
21 | DEL = 0x7f\r | |
22 | ^ = CTRL\r | |
23 | \r | |
24 | +=========+======+===========+==========+==========+\r | |
25 | | | EFI | UEFI 2.0 | | |\r | |
26 | | | Scan | | VT100+ | |\r | |
27 | | KEY | Code | PC ANSI | VTUTF8 | VT100 |\r | |
28 | +=========+======+===========+==========+==========+\r | |
29 | | NULL | 0x00 | | | |\r | |
30 | | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A |\r | |
31 | | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B |\r | |
32 | | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C |\r | |
33 | | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D |\r | |
34 | | HOME | 0x05 | ESC [ H | ESC h | ESC [ H |\r | |
35 | | END | 0x06 | ESC [ F | ESC k | ESC [ K |\r | |
36 | | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ |\r | |
37 | | | | ESC [ L | | ESC [ L |\r | |
38 | | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P |\r | |
39 | | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V |\r | |
40 | | | | | | ESC [ ? |\r | |
41 | | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U |\r | |
42 | | | | | | ESC [ / |\r | |
43 | | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P |\r | |
44 | | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q |\r | |
45 | | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w |\r | |
46 | | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x |\r | |
47 | | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t |\r | |
48 | | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u |\r | |
49 | | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q |\r | |
50 | | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r |\r | |
51 | | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p |\r | |
52 | | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M |\r | |
53 | | Escape | 0x17 | ESC | ESC | ESC |\r | |
54 | | F11 | 0x15 | | ESC ! | |\r | |
55 | | F12 | 0x16 | | ESC @ | |\r | |
56 | +=========+======+===========+==========+==========+\r | |
57 | \r | |
58 | */\r | |
59 | \r | |
60 | #include <PiDxe.h>\r | |
61 | #include <Library/UefiLib.h>\r | |
62 | #include <Library/UefiBootServicesTableLib.h>\r | |
63 | #include <Library/BaseLib.h>\r | |
64 | #include <Library/MemoryAllocationLib.h>\r | |
65 | #include <Library/DebugLib.h>\r | |
66 | #include <Library/SerialPortLib.h>\r | |
026e30c4 | 67 | #include <Library/PcdLib.h>\r |
2ef2b01e A |
68 | \r |
69 | #include <Protocol/SerialIo.h>\r | |
70 | #include <Protocol/SimpleTextIn.h>\r | |
71 | #include <Protocol/SimpleTextOut.h>\r | |
026e30c4 | 72 | #include <Protocol/DevicePath.h>\r |
2ef2b01e A |
73 | \r |
74 | \r | |
75 | #define MODE0_COLUMN_COUNT 80\r | |
76 | #define MODE0_ROW_COUNT 25\r | |
77 | \r | |
78 | \r | |
79 | EFI_STATUS\r | |
80 | EFIAPI\r | |
81 | TextInReset(\r | |
82 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
83 | IN BOOLEAN ExtendedVerification\r | |
84 | );\r | |
85 | \r | |
86 | \r | |
87 | EFI_STATUS\r | |
88 | EFIAPI\r | |
89 | ReadKeyStroke(\r | |
90 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
91 | OUT EFI_INPUT_KEY *Key\r | |
92 | );\r | |
93 | \r | |
94 | \r | |
95 | EFI_STATUS\r | |
96 | EFIAPI\r | |
97 | TextOutReset(\r | |
98 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
99 | IN BOOLEAN ExtendedVerification\r | |
100 | );\r | |
101 | \r | |
102 | CHAR8 *\r | |
103 | EFIAPI\r | |
104 | SafeUnicodeStrToAsciiStr (\r | |
105 | IN CONST CHAR16 *Source,\r | |
106 | OUT CHAR8 *Destination\r | |
107 | );\r | |
108 | \r | |
109 | EFI_STATUS\r | |
110 | EFIAPI\r | |
111 | OutputString (\r | |
112 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
113 | IN CHAR16 *String\r | |
114 | );\r | |
115 | \r | |
116 | \r | |
117 | EFI_STATUS\r | |
118 | EFIAPI\r | |
119 | TestString (\r | |
120 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
121 | IN CHAR16 *String\r | |
122 | );\r | |
123 | \r | |
124 | \r | |
125 | EFI_STATUS\r | |
126 | EFIAPI\r | |
127 | QueryMode (\r | |
128 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
129 | IN UINTN ModeNumber,\r | |
130 | OUT UINTN *Columns,\r | |
131 | OUT UINTN *Rows\r | |
132 | );\r | |
133 | \r | |
134 | \r | |
135 | EFI_STATUS\r | |
136 | EFIAPI\r | |
137 | SetMode(\r | |
138 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
139 | IN UINTN ModeNumber\r | |
140 | );\r | |
141 | \r | |
142 | \r | |
143 | EFI_STATUS\r | |
144 | EFIAPI\r | |
145 | SetAttribute(\r | |
146 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
147 | IN UINTN Attribute\r | |
148 | );\r | |
149 | \r | |
150 | \r | |
151 | EFI_STATUS\r | |
152 | EFIAPI\r | |
153 | ClearScreen (\r | |
154 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
155 | );\r | |
156 | \r | |
157 | \r | |
158 | EFI_STATUS\r | |
159 | EFIAPI\r | |
160 | SetCursorPosition (\r | |
161 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
162 | IN UINTN Column,\r | |
163 | IN UINTN Row\r | |
164 | );\r | |
165 | \r | |
166 | \r | |
167 | EFI_STATUS\r | |
168 | EFIAPI\r | |
169 | EnableCursor (\r | |
170 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
171 | IN BOOLEAN Enable\r | |
172 | );\r | |
173 | \r | |
174 | \r | |
175 | EFI_SIMPLE_TEXT_INPUT_PROTOCOL mSimpleTextIn = {\r | |
176 | TextInReset,\r | |
177 | ReadKeyStroke,\r | |
178 | NULL\r | |
179 | };\r | |
180 | \r | |
181 | EFI_SIMPLE_TEXT_OUTPUT_MODE mSimpleTextOutMode = {\r | |
182 | 1,\r | |
183 | 0,\r | |
184 | EFI_TEXT_ATTR( EFI_LIGHTGRAY, EFI_BLACK ),\r | |
185 | 0,\r | |
186 | 0,\r | |
187 | TRUE\r | |
188 | };\r | |
189 | \r | |
190 | EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL mSimpleTextOut = {\r | |
191 | TextOutReset,\r | |
192 | OutputString,\r | |
193 | TestString,\r | |
194 | QueryMode,\r | |
195 | SetMode,\r | |
196 | SetAttribute,\r | |
197 | ClearScreen,\r | |
198 | SetCursorPosition,\r | |
199 | EnableCursor,\r | |
200 | &mSimpleTextOutMode\r | |
201 | };\r | |
202 | \r | |
026e30c4 | 203 | EFI_HANDLE mInstallHandle = NULL;\r |
204 | \r | |
205 | typedef struct {\r | |
206 | VENDOR_DEVICE_PATH Guid;\r | |
207 | UART_DEVICE_PATH Uart;\r | |
208 | EFI_DEVICE_PATH_PROTOCOL End;\r | |
209 | } SIMPLE_TEXT_OUT_DEVICE_PATH;\r | |
210 | \r | |
211 | SIMPLE_TEXT_OUT_DEVICE_PATH mDevicePath = {\r | |
212 | {\r | |
b0fdce95 | 213 | { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, { sizeof (VENDOR_DEVICE_PATH), 0} },\r |
026e30c4 | 214 | EFI_CALLER_ID_GUID\r |
215 | },\r | |
216 | {\r | |
b0fdce95 | 217 | { MESSAGING_DEVICE_PATH, MSG_UART_DP, { sizeof (UART_DEVICE_PATH), 0} },\r |
026e30c4 | 218 | 0, // Reserved\r |
219 | FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate\r | |
220 | FixedPcdGet8 (PcdUartDefaultDataBits), // DataBits\r | |
221 | FixedPcdGet8 (PcdUartDefaultParity), // Parity (N)\r | |
222 | FixedPcdGet8 (PcdUartDefaultStopBits) // StopBits\r | |
223 | },\r | |
b0fdce95 | 224 | { END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, { sizeof (EFI_DEVICE_PATH_PROTOCOL), 0} }\r |
026e30c4 | 225 | };\r |
226 | \r | |
2ef2b01e A |
227 | \r |
228 | \r | |
229 | \r | |
230 | BOOLEAN\r | |
231 | TextOutIsValidAscii (\r | |
232 | IN CHAR16 Ascii\r | |
233 | )\r | |
234 | {\r | |
235 | //\r | |
236 | // valid ASCII code lies in the extent of 0x20 - 0x7F\r | |
237 | //\r | |
238 | if ((Ascii >= 0x20) && (Ascii <= 0x7F)) {\r | |
239 | return TRUE;\r | |
240 | }\r | |
241 | \r | |
242 | return FALSE;\r | |
243 | }\r | |
244 | \r | |
245 | \r | |
246 | BOOLEAN\r | |
247 | TextOutIsValidEfiCntlChar (\r | |
248 | IN CHAR16 Char\r | |
249 | )\r | |
250 | {\r | |
251 | //\r | |
252 | // only support four control characters.\r | |
253 | //\r | |
254 | if (Char == CHAR_NULL ||\r | |
255 | Char == CHAR_BACKSPACE ||\r | |
256 | Char == CHAR_LINEFEED ||\r | |
257 | Char == CHAR_CARRIAGE_RETURN ||\r | |
258 | Char == CHAR_TAB ) {\r | |
259 | return TRUE;\r | |
260 | }\r | |
261 | \r | |
262 | return FALSE;\r | |
263 | }\r | |
264 | \r | |
265 | \r | |
266 | VOID\r | |
267 | EFIAPI\r | |
268 | WaitForKeyEvent (\r | |
269 | IN EFI_EVENT Event,\r | |
270 | IN VOID *Context\r | |
271 | )\r | |
272 | {\r | |
273 | if (SerialPortPoll ()) {\r | |
274 | gBS->SignalEvent (Event);\r | |
275 | }\r | |
276 | }\r | |
277 | \r | |
278 | \r | |
279 | EFI_STATUS\r | |
280 | EFIAPI\r | |
281 | TextInReset (\r | |
282 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
283 | IN BOOLEAN ExtendedVerification\r | |
284 | )\r | |
285 | {\r | |
286 | return EFI_SUCCESS;\r | |
287 | }\r | |
288 | \r | |
289 | \r | |
290 | EFI_STATUS\r | |
291 | EFIAPI\r | |
292 | ReadKeyStroke (\r | |
293 | IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,\r | |
294 | OUT EFI_INPUT_KEY *Key\r | |
295 | )\r | |
296 | {\r | |
297 | CHAR8 Char;\r | |
3402aac7 | 298 | \r |
026e30c4 | 299 | if (!SerialPortPoll ()) {\r |
300 | return EFI_NOT_READY;\r | |
301 | }\r | |
3402aac7 | 302 | \r |
2ef2b01e | 303 | SerialPortRead ((UINT8 *)&Char, 1);\r |
3402aac7 | 304 | \r |
2ef2b01e A |
305 | //\r |
306 | // Check for ESC sequence. This code is not techincally correct VT100 code.\r | |
307 | // An illegal ESC sequence represents an ESC and the characters that follow.\r | |
3402aac7 | 308 | // This code will eat one or two chars after an escape. This is done to\r |
2ef2b01e A |
309 | // prevent some complex FIFOing of the data. It is good enough to get\r |
310 | // the arrow and delete keys working\r | |
311 | //\r | |
312 | Key->UnicodeChar = 0;\r | |
313 | Key->ScanCode = SCAN_NULL;\r | |
314 | if (Char == 0x1b) {\r | |
315 | SerialPortRead ((UINT8 *)&Char, 1);\r | |
316 | if (Char == '[') {\r | |
317 | SerialPortRead ((UINT8 *)&Char, 1);\r | |
318 | switch (Char) {\r | |
319 | case 'A':\r | |
320 | Key->ScanCode = SCAN_UP;\r | |
321 | break;\r | |
322 | case 'B':\r | |
323 | Key->ScanCode = SCAN_DOWN;\r | |
324 | break;\r | |
325 | case 'C':\r | |
326 | Key->ScanCode = SCAN_RIGHT;\r | |
327 | break;\r | |
328 | case 'D':\r | |
329 | Key->ScanCode = SCAN_LEFT;\r | |
330 | break;\r | |
331 | case 'H':\r | |
332 | Key->ScanCode = SCAN_HOME;\r | |
333 | break;\r | |
334 | case 'K':\r | |
3402aac7 | 335 | case 'F': // PC ANSI\r |
2ef2b01e A |
336 | Key->ScanCode = SCAN_END;\r |
337 | break;\r | |
338 | case '@':\r | |
339 | case 'L':\r | |
340 | Key->ScanCode = SCAN_INSERT;\r | |
341 | break;\r | |
342 | case 'P':\r | |
3402aac7 | 343 | case 'X': // PC ANSI\r |
2ef2b01e A |
344 | Key->ScanCode = SCAN_DELETE;\r |
345 | break;\r | |
346 | case 'U':\r | |
347 | case '/':\r | |
348 | case 'G': // PC ANSI\r | |
349 | Key->ScanCode = SCAN_PAGE_DOWN;\r | |
350 | break;\r | |
351 | case 'V':\r | |
352 | case '?':\r | |
353 | case 'I': // PC ANSI\r | |
354 | Key->ScanCode = SCAN_PAGE_UP;\r | |
355 | break;\r | |
356 | \r | |
357 | // PCANSI that does not conflict with VT100\r | |
358 | case 'M':\r | |
359 | Key->ScanCode = SCAN_F1;\r | |
360 | break;\r | |
361 | case 'N':\r | |
362 | Key->ScanCode = SCAN_F2;\r | |
363 | break;\r | |
364 | case 'O':\r | |
365 | Key->ScanCode = SCAN_F3;\r | |
366 | break;\r | |
367 | case 'Q':\r | |
368 | Key->ScanCode = SCAN_F5;\r | |
369 | break;\r | |
370 | case 'R':\r | |
371 | Key->ScanCode = SCAN_F6;\r | |
372 | break;\r | |
373 | case 'S':\r | |
374 | Key->ScanCode = SCAN_F7;\r | |
375 | break;\r | |
376 | case 'T':\r | |
377 | Key->ScanCode = SCAN_F8;\r | |
378 | break;\r | |
379 | \r | |
380 | default:\r | |
381 | Key->UnicodeChar = Char;\r | |
382 | break;\r | |
383 | }\r | |
384 | } else if (Char == '0') {\r | |
385 | SerialPortRead ((UINT8 *)&Char, 1);\r | |
386 | switch (Char) {\r | |
387 | case 'P':\r | |
388 | Key->ScanCode = SCAN_F1;\r | |
389 | break;\r | |
390 | case 'Q':\r | |
391 | Key->ScanCode = SCAN_F2;\r | |
392 | break;\r | |
393 | case 'w':\r | |
394 | Key->ScanCode = SCAN_F3;\r | |
395 | break;\r | |
396 | case 'x':\r | |
397 | Key->ScanCode = SCAN_F4;\r | |
398 | break;\r | |
399 | case 't':\r | |
400 | Key->ScanCode = SCAN_F5;\r | |
401 | break;\r | |
402 | case 'u':\r | |
403 | Key->ScanCode = SCAN_F6;\r | |
404 | break;\r | |
405 | case 'q':\r | |
406 | Key->ScanCode = SCAN_F7;\r | |
407 | break;\r | |
408 | case 'r':\r | |
409 | Key->ScanCode = SCAN_F8;\r | |
410 | break;\r | |
411 | case 'p':\r | |
412 | Key->ScanCode = SCAN_F9;\r | |
413 | break;\r | |
414 | case 'm':\r | |
415 | Key->ScanCode = SCAN_F10;\r | |
416 | break;\r | |
417 | default :\r | |
418 | break;\r | |
419 | }\r | |
420 | }\r | |
421 | } else if (Char < ' ') {\r | |
3402aac7 RC |
422 | if ((Char == CHAR_BACKSPACE) ||\r |
423 | (Char == CHAR_TAB) ||\r | |
424 | (Char == CHAR_LINEFEED) ||\r | |
2ef2b01e A |
425 | (Char == CHAR_CARRIAGE_RETURN)) {\r |
426 | // Only let through EFI required control characters\r | |
3402aac7 | 427 | Key->UnicodeChar = (CHAR16)Char;\r |
2ef2b01e A |
428 | }\r |
429 | } else if (Char == 0x7f) {\r | |
430 | Key->ScanCode = SCAN_DELETE;\r | |
431 | } else {\r | |
432 | Key->UnicodeChar = (CHAR16)Char;\r | |
433 | }\r | |
434 | \r | |
435 | return EFI_SUCCESS;\r | |
436 | }\r | |
437 | \r | |
438 | \r | |
439 | EFI_STATUS\r | |
440 | EFIAPI\r | |
441 | TextOutReset (\r | |
442 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
443 | IN BOOLEAN ExtendedVerification\r | |
444 | )\r | |
445 | {\r | |
446 | EFI_STATUS Status;\r | |
447 | \r | |
448 | This->SetAttribute(\r | |
449 | This,\r | |
450 | EFI_TEXT_ATTR(This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK)\r | |
451 | );\r | |
452 | \r | |
453 | Status = This->SetMode (This, 0);\r | |
454 | \r | |
455 | return Status;\r | |
456 | }\r | |
457 | \r | |
458 | CHAR8 *\r | |
459 | EFIAPI\r | |
460 | SafeUnicodeStrToAsciiStr (\r | |
461 | IN CONST CHAR16 *Source,\r | |
462 | OUT CHAR8 *Destination\r | |
463 | )\r | |
464 | {\r | |
465 | CHAR8 *ReturnValue;\r | |
466 | \r | |
467 | ASSERT (Destination != NULL);\r | |
468 | \r | |
469 | //\r | |
470 | // ASSERT if Source is long than PcdMaximumUnicodeStringLength.\r | |
471 | // Length tests are performed inside StrLen().\r | |
472 | //\r | |
473 | ASSERT (StrSize (Source) != 0);\r | |
474 | \r | |
475 | //\r | |
476 | // Source and Destination should not overlap\r | |
477 | //\r | |
478 | ASSERT ((UINTN) ((CHAR16 *) Destination - Source) > StrLen (Source));\r | |
479 | ASSERT ((UINTN) ((CHAR8 *) Source - Destination) > StrLen (Source));\r | |
480 | \r | |
481 | \r | |
482 | ReturnValue = Destination;\r | |
483 | while (*Source != '\0') {\r | |
484 | //\r | |
485 | // If any non-ascii characters in Source then replace it with '?'.\r | |
486 | //\r | |
487 | if (*Source < 0x80) {\r | |
488 | *Destination = (CHAR8) *Source;\r | |
489 | } else {\r | |
490 | *Destination = '?';\r | |
491 | \r | |
492 | //Surrogate pair check.\r | |
493 | if ((*Source >= 0xD800) && (*Source <= 0xDFFF)) {\r | |
494 | Source++;\r | |
495 | }\r | |
496 | }\r | |
497 | \r | |
498 | Destination++;\r | |
499 | Source++;\r | |
500 | }\r | |
501 | \r | |
502 | *Destination = '\0';\r | |
503 | \r | |
504 | //\r | |
505 | // ASSERT Original Destination is less long than PcdMaximumAsciiStringLength.\r | |
506 | // Length tests are performed inside AsciiStrLen().\r | |
507 | //\r | |
508 | ASSERT (AsciiStrSize (ReturnValue) != 0);\r | |
509 | \r | |
510 | return ReturnValue;\r | |
511 | }\r | |
512 | \r | |
513 | EFI_STATUS\r | |
514 | EFIAPI\r | |
515 | OutputString (\r | |
516 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
517 | IN CHAR16 *String\r | |
518 | )\r | |
519 | {\r | |
56226bf7 | 520 | UINTN Size;\r |
521 | CHAR8* OutputString;\r | |
522 | EFI_STATUS Status;\r | |
523 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
524 | UINTN MaxColumn;\r | |
525 | UINTN MaxRow;\r | |
3402aac7 | 526 | \r |
56226bf7 | 527 | Size = StrLen(String) + 1;\r |
528 | OutputString = AllocatePool(Size);\r | |
529 | \r | |
2ef2b01e A |
530 | //If there is any non-ascii characters in String buffer then replace it with '?'\r |
531 | //Eventually, UnicodeStrToAsciiStr API should be fixed.\r | |
3402aac7 | 532 | SafeUnicodeStrToAsciiStr(String, OutputString);\r |
2ef2b01e A |
533 | SerialPortWrite ((UINT8 *)OutputString, Size - 1);\r |
534 | \r | |
56226bf7 | 535 | //\r |
536 | // Parse each character of the string to output\r | |
537 | // to update the cursor position information\r | |
538 | //\r | |
539 | Mode = This->Mode;\r | |
540 | \r | |
541 | Status = This->QueryMode (\r | |
542 | This,\r | |
543 | Mode->Mode,\r | |
544 | &MaxColumn,\r | |
545 | &MaxRow\r | |
546 | );\r | |
547 | if (EFI_ERROR (Status)) {\r | |
548 | return Status;\r | |
549 | }\r | |
550 | \r | |
551 | for (; *String != CHAR_NULL; String++) {\r | |
552 | \r | |
553 | switch (*String) {\r | |
554 | case CHAR_BACKSPACE:\r | |
555 | if (Mode->CursorColumn > 0) {\r | |
556 | Mode->CursorColumn--;\r | |
557 | }\r | |
558 | break;\r | |
559 | \r | |
560 | case CHAR_LINEFEED:\r | |
561 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
562 | Mode->CursorRow++;\r | |
563 | }\r | |
564 | break;\r | |
565 | \r | |
566 | case CHAR_CARRIAGE_RETURN:\r | |
567 | Mode->CursorColumn = 0;\r | |
568 | break;\r | |
569 | \r | |
570 | default:\r | |
571 | if (Mode->CursorColumn >= (INT32) (MaxColumn - 1)) {\r | |
572 | // Move the cursor as if we print CHAR_CARRIAGE_RETURN & CHAR_LINE_FEED\r | |
573 | // CHAR_LINEFEED\r | |
574 | if (Mode->CursorRow < (INT32) (MaxRow - 1)) {\r | |
575 | Mode->CursorRow++;\r | |
576 | }\r | |
577 | // CHAR_CARIAGE_RETURN\r | |
578 | Mode->CursorColumn = 0;\r | |
579 | } else {\r | |
580 | Mode->CursorColumn++;\r | |
581 | }\r | |
582 | break;\r | |
583 | }\r | |
584 | }\r | |
585 | \r | |
2ef2b01e A |
586 | FreePool(OutputString);\r |
587 | \r | |
588 | return EFI_SUCCESS;\r | |
589 | }\r | |
590 | \r | |
591 | \r | |
592 | EFI_STATUS\r | |
593 | EFIAPI\r | |
594 | TestString (\r | |
595 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
596 | IN CHAR16 *String\r | |
597 | )\r | |
598 | {\r | |
599 | CHAR8 Character;\r | |
600 | \r | |
601 | for ( ; *String != CHAR_NULL; String++) {\r | |
602 | Character = (CHAR8)*String;\r | |
603 | if (!(TextOutIsValidAscii (Character) || TextOutIsValidEfiCntlChar (Character))) {\r | |
604 | return EFI_UNSUPPORTED;\r | |
605 | }\r | |
606 | }\r | |
607 | \r | |
608 | return EFI_SUCCESS;\r | |
609 | }\r | |
610 | \r | |
611 | \r | |
612 | EFI_STATUS\r | |
613 | EFIAPI\r | |
614 | QueryMode (\r | |
615 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
616 | IN UINTN ModeNumber,\r | |
617 | OUT UINTN *Columns,\r | |
618 | OUT UINTN *Rows\r | |
619 | )\r | |
620 | {\r | |
621 | if (This->Mode->MaxMode > 1) {\r | |
622 | return EFI_DEVICE_ERROR;\r | |
623 | }\r | |
624 | \r | |
625 | if (ModeNumber == 0) {\r | |
626 | *Columns = MODE0_COLUMN_COUNT;\r | |
627 | *Rows = MODE0_ROW_COUNT;\r | |
628 | return EFI_SUCCESS;\r | |
629 | }\r | |
630 | \r | |
631 | return EFI_UNSUPPORTED;\r | |
632 | }\r | |
633 | \r | |
634 | \r | |
635 | EFI_STATUS\r | |
636 | EFIAPI\r | |
637 | SetMode (\r | |
638 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
639 | IN UINTN ModeNumber\r | |
640 | )\r | |
641 | {\r | |
642 | if (ModeNumber != 0) {\r | |
643 | return EFI_UNSUPPORTED;\r | |
644 | }\r | |
645 | \r | |
646 | This->Mode->Mode = 0;\r | |
647 | This->ClearScreen (This);\r | |
648 | return EFI_SUCCESS;\r | |
649 | }\r | |
650 | \r | |
651 | \r | |
652 | EFI_STATUS\r | |
653 | EFIAPI\r | |
654 | SetAttribute(\r | |
655 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
656 | IN UINTN Attribute\r | |
657 | )\r | |
658 | {\r | |
659 | This->Mode->Attribute = (INT32)Attribute;\r | |
660 | return EFI_SUCCESS;\r | |
661 | }\r | |
662 | \r | |
663 | \r | |
664 | EFI_STATUS\r | |
665 | EFIAPI\r | |
666 | ClearScreen (\r | |
667 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r | |
668 | )\r | |
669 | {\r | |
670 | EFI_STATUS Status;\r | |
671 | \r | |
672 | Status = This->SetCursorPosition (This, 0, 0);\r | |
673 | return Status;\r | |
674 | }\r | |
675 | \r | |
676 | \r | |
677 | EFI_STATUS\r | |
678 | EFIAPI\r | |
679 | SetCursorPosition (\r | |
680 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
681 | IN UINTN Column,\r | |
682 | IN UINTN Row\r | |
683 | )\r | |
684 | {\r | |
685 | EFI_SIMPLE_TEXT_OUTPUT_MODE *Mode;\r | |
686 | EFI_STATUS Status;\r | |
687 | UINTN MaxColumn;\r | |
688 | UINTN MaxRow;\r | |
689 | \r | |
690 | Mode = This->Mode;\r | |
691 | \r | |
692 | Status = This->QueryMode(\r | |
693 | This,\r | |
694 | Mode->Mode,\r | |
695 | &MaxColumn,\r | |
3402aac7 | 696 | &MaxRow\r |
2ef2b01e A |
697 | );\r |
698 | if (EFI_ERROR(Status)) {\r | |
699 | return EFI_UNSUPPORTED;\r | |
700 | }\r | |
701 | \r | |
702 | if ((Column >= MaxColumn) || (Row >= MaxRow)) {\r | |
703 | return EFI_UNSUPPORTED;\r | |
704 | }\r | |
705 | \r | |
706 | Mode->CursorColumn = (INT32)Column;\r | |
707 | Mode->CursorRow = (INT32)Row;\r | |
708 | \r | |
709 | return EFI_SUCCESS;\r | |
710 | }\r | |
711 | \r | |
712 | \r | |
713 | EFI_STATUS\r | |
714 | EFIAPI\r | |
715 | EnableCursor (\r | |
716 | IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r | |
717 | IN BOOLEAN Enable\r | |
718 | )\r | |
719 | {\r | |
720 | if (!Enable) {\r | |
721 | return EFI_UNSUPPORTED;\r | |
722 | }\r | |
723 | \r | |
724 | return EFI_SUCCESS;\r | |
725 | }\r | |
726 | \r | |
727 | \r | |
728 | EFI_STATUS\r | |
729 | EFIAPI\r | |
730 | SimpleTextInOutEntryPoint (\r | |
731 | IN EFI_HANDLE ImageHandle,\r | |
732 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
733 | )\r | |
734 | {\r | |
735 | EFI_STATUS Status;\r | |
736 | \r | |
737 | Status = gBS->CreateEvent (\r | |
738 | EVT_NOTIFY_WAIT,\r | |
739 | TPL_NOTIFY,\r | |
740 | WaitForKeyEvent,\r | |
741 | NULL,\r | |
742 | &mSimpleTextIn.WaitForKey\r | |
743 | );\r | |
744 | ASSERT_EFI_ERROR (Status);\r | |
3402aac7 | 745 | \r |
2ef2b01e A |
746 | Status = gBS->InstallMultipleProtocolInterfaces(\r |
747 | &mInstallHandle,\r | |
748 | &gEfiSimpleTextInProtocolGuid, &mSimpleTextIn,\r | |
749 | &gEfiSimpleTextOutProtocolGuid, &mSimpleTextOut,\r | |
026e30c4 | 750 | &gEfiDevicePathProtocolGuid, &mDevicePath,\r |
751 | NULL\r | |
2ef2b01e A |
752 | );\r |
753 | if (!EFI_ERROR (Status)) {\r | |
754 | gST->ConOut = &mSimpleTextOut;\r | |
755 | gST->ConIn = &mSimpleTextIn;\r | |
756 | }\r | |
3402aac7 | 757 | \r |
2ef2b01e A |
758 | return Status;\r |
759 | }\r |