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Move GOP and UGA draw from Consplitter entrypoint to start(). When there is one real...
[mirror_edk2.git] / MdeModulePkg / Universal / Console / GraphicsConsoleDxe / GraphicsConsole.c
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1/** @file\r
2 This is the main routine for initializing the Graphics Console support routines.\r
3\r
4Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\r
5This program and the accompanying materials\r
6are licensed and made available under the terms and conditions of the BSD License\r
7which accompanies this distribution. The full text of the license may be found at\r
8http://opensource.org/licenses/bsd-license.php\r
9\r
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#include "GraphicsConsole.h"\r
16\r
17//\r
18// Graphics Console Device Private Data template\r
19//\r
20GRAPHICS_CONSOLE_DEV mGraphicsConsoleDevTemplate = {\r
21 GRAPHICS_CONSOLE_DEV_SIGNATURE,\r
22 (EFI_GRAPHICS_OUTPUT_PROTOCOL *) NULL,\r
23 (EFI_UGA_DRAW_PROTOCOL *) NULL,\r
24 {\r
25 GraphicsConsoleConOutReset,\r
26 GraphicsConsoleConOutOutputString,\r
27 GraphicsConsoleConOutTestString,\r
28 GraphicsConsoleConOutQueryMode,\r
29 GraphicsConsoleConOutSetMode,\r
30 GraphicsConsoleConOutSetAttribute,\r
31 GraphicsConsoleConOutClearScreen,\r
32 GraphicsConsoleConOutSetCursorPosition,\r
33 GraphicsConsoleConOutEnableCursor,\r
34 (EFI_SIMPLE_TEXT_OUTPUT_MODE *) NULL\r
35 },\r
36 {\r
37 0,\r
38 -1,\r
39 EFI_TEXT_ATTR(EFI_LIGHTGRAY, EFI_BLACK),\r
40 0,\r
41 0,\r
42 TRUE\r
43 },\r
44 (GRAPHICS_CONSOLE_MODE_DATA *) NULL,\r
45 (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) NULL\r
46};\r
47\r
48GRAPHICS_CONSOLE_MODE_DATA mGraphicsConsoleModeData[] = {\r
49 {100, 31},\r
50 //\r
51 // New modes can be added here.\r
52 // The last entry is specific for full screen mode.\r
53 //\r
54 {0, 0}\r
55};\r
56\r
57EFI_HII_DATABASE_PROTOCOL *mHiiDatabase;\r
58EFI_HII_FONT_PROTOCOL *mHiiFont;\r
59EFI_HII_HANDLE mHiiHandle;\r
60EFI_EVENT mHiiRegistration;\r
61\r
62EFI_GUID mFontPackageListGuid = {0xf5f219d3, 0x7006, 0x4648, {0xac, 0x8d, 0xd6, 0x1d, 0xfb, 0x7b, 0xc6, 0xad}};\r
63\r
64CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };\r
65\r
66EFI_GRAPHICS_OUTPUT_BLT_PIXEL mGraphicsEfiColors[16] = {\r
67 //\r
68 // B G R reserved\r
69 //\r
70 {0x00, 0x00, 0x00, 0x00}, // BLACK\r
71 {0x98, 0x00, 0x00, 0x00}, // LIGHTBLUE\r
72 {0x00, 0x98, 0x00, 0x00}, // LIGHGREEN\r
73 {0x98, 0x98, 0x00, 0x00}, // LIGHCYAN\r
74 {0x00, 0x00, 0x98, 0x00}, // LIGHRED\r
75 {0x98, 0x00, 0x98, 0x00}, // MAGENTA\r
76 {0x00, 0x98, 0x98, 0x00}, // BROWN\r
77 {0x98, 0x98, 0x98, 0x00}, // LIGHTGRAY\r
78 {0x30, 0x30, 0x30, 0x00}, // DARKGRAY - BRIGHT BLACK\r
79 {0xff, 0x00, 0x00, 0x00}, // BLUE\r
80 {0x00, 0xff, 0x00, 0x00}, // LIME\r
81 {0xff, 0xff, 0x00, 0x00}, // CYAN\r
82 {0x00, 0x00, 0xff, 0x00}, // RED\r
83 {0xff, 0x00, 0xff, 0x00}, // FUCHSIA\r
84 {0x00, 0xff, 0xff, 0x00}, // YELLOW\r
85 {0xff, 0xff, 0xff, 0x00} // WHITE\r
86};\r
87\r
88EFI_NARROW_GLYPH mCursorGlyph = {\r
89 0x0000,\r
90 0x00,\r
91 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF }\r
92};\r
93\r
94CHAR16 SpaceStr[] = { NARROW_CHAR, ' ', 0 };\r
95\r
96EFI_DRIVER_BINDING_PROTOCOL gGraphicsConsoleDriverBinding = {\r
97 GraphicsConsoleControllerDriverSupported,\r
98 GraphicsConsoleControllerDriverStart,\r
99 GraphicsConsoleControllerDriverStop,\r
100 0xa,\r
101 NULL,\r
102 NULL\r
103};\r
104\r
105/**\r
106 Test to see if Graphics Console could be supported on the Controller.\r
107\r
108 Graphics Console could be supported if Graphics Output Protocol or UGA Draw\r
109 Protocol exists on the Controller. (UGA Draw Protocol could be skipped\r
110 if PcdUgaConsumeSupport is set to FALSE.)\r
111\r
112 @param This Protocol instance pointer.\r
113 @param Controller Handle of device to test.\r
114 @param RemainingDevicePath Optional parameter use to pick a specific child\r
115 device to start.\r
116\r
117 @retval EFI_SUCCESS This driver supports this device.\r
118 @retval other This driver does not support this device.\r
119\r
120**/\r
121EFI_STATUS\r
122EFIAPI\r
123GraphicsConsoleControllerDriverSupported (\r
124 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
125 IN EFI_HANDLE Controller,\r
126 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
127 )\r
128{\r
129 EFI_STATUS Status;\r
130 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
131 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
132 EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
133\r
134 GraphicsOutput = NULL;\r
135 UgaDraw = NULL;\r
136 //\r
137 // Open the IO Abstraction(s) needed to perform the supported test\r
138 //\r
139 Status = gBS->OpenProtocol (\r
140 Controller,\r
141 &gEfiGraphicsOutputProtocolGuid,\r
142 (VOID **) &GraphicsOutput,\r
143 This->DriverBindingHandle,\r
144 Controller,\r
145 EFI_OPEN_PROTOCOL_BY_DRIVER\r
146 );\r
147\r
148 if (EFI_ERROR (Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
149 //\r
150 // Open Graphics Output Protocol failed, try to open UGA Draw Protocol\r
151 //\r
152 Status = gBS->OpenProtocol (\r
153 Controller,\r
154 &gEfiUgaDrawProtocolGuid,\r
155 (VOID **) &UgaDraw,\r
156 This->DriverBindingHandle,\r
157 Controller,\r
158 EFI_OPEN_PROTOCOL_BY_DRIVER\r
159 );\r
160 }\r
161 if (EFI_ERROR (Status)) {\r
162 return Status;\r
163 }\r
164\r
165 //\r
166 // We need to ensure that we do not layer on top of a virtual handle.\r
167 // We need to ensure that the handles produced by the conspliter do not\r
168 // get used.\r
169 //\r
170 Status = gBS->OpenProtocol (\r
171 Controller,\r
172 &gEfiDevicePathProtocolGuid,\r
173 (VOID **) &DevicePath,\r
174 This->DriverBindingHandle,\r
175 Controller,\r
176 EFI_OPEN_PROTOCOL_BY_DRIVER\r
177 );\r
178 if (!EFI_ERROR (Status)) {\r
179 gBS->CloseProtocol (\r
180 Controller,\r
181 &gEfiDevicePathProtocolGuid,\r
182 This->DriverBindingHandle,\r
183 Controller\r
184 );\r
185 } else {\r
186 goto Error;\r
187 }\r
188\r
189 //\r
190 // Does Hii Exist? If not, we aren't ready to run\r
191 //\r
192 Status = EfiLocateHiiProtocol ();\r
193\r
194 //\r
195 // Close the I/O Abstraction(s) used to perform the supported test\r
196 //\r
197Error:\r
198 if (GraphicsOutput != NULL) {\r
199 gBS->CloseProtocol (\r
200 Controller,\r
201 &gEfiGraphicsOutputProtocolGuid,\r
202 This->DriverBindingHandle,\r
203 Controller\r
204 );\r
205 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
206 gBS->CloseProtocol (\r
207 Controller,\r
208 &gEfiUgaDrawProtocolGuid,\r
209 This->DriverBindingHandle,\r
210 Controller\r
211 );\r
212 }\r
213 return Status;\r
214}\r
215\r
216/**\r
217 Initialize all the text modes which the graphics console supports.\r
218\r
219 It returns information for available text modes that the graphics can support.\r
220\r
221 @param[in] HorizontalResolution The size of video screen in pixels in the X dimension.\r
222 @param[in] VerticalResolution The size of video screen in pixels in the Y dimension.\r
223 @param[in] GopModeNumber The graphics mode number which graphis console is based on.\r
224 @param[out] TextModeCount The total number of text modes that graphics console supports.\r
225 @param[out] TextModeData The buffer to the text modes column and row information.\r
226 Caller is responsible to free it when it's non-NULL.\r
227\r
228 @retval EFI_SUCCESS The supporting mode information is returned.\r
229 @retval EFI_INVALID_PARAMETER The parameters are invalid.\r
230\r
231**/\r
232EFI_STATUS\r
233InitializeGraphicsConsoleTextMode (\r
234 IN UINT32 HorizontalResolution,\r
235 IN UINT32 VerticalResolution,\r
236 IN UINT32 GopModeNumber,\r
237 OUT UINTN *TextModeCount,\r
238 OUT GRAPHICS_CONSOLE_MODE_DATA **TextModeData\r
239 )\r
240{\r
241 UINTN Index;\r
242 UINTN Count;\r
243 GRAPHICS_CONSOLE_MODE_DATA *ModeBuffer;\r
244 GRAPHICS_CONSOLE_MODE_DATA *NewModeBuffer;\r
245 UINTN ValidCount;\r
246 UINTN ValidIndex;\r
247 UINTN MaxColumns;\r
248 UINTN MaxRows; \r
249 \r
250 if ((TextModeCount == NULL) || (TextModeData == NULL)) {\r
251 return EFI_INVALID_PARAMETER;\r
252 }\r
253\r
254 Count = sizeof (mGraphicsConsoleModeData) / sizeof (GRAPHICS_CONSOLE_MODE_DATA);\r
255\r
256 //\r
257 // Compute the maximum number of text Rows and Columns that this current graphics mode can support.\r
258 // To make graphics console work well, MaxColumns and MaxRows should not be zero.\r
259 //\r
260 MaxColumns = HorizontalResolution / EFI_GLYPH_WIDTH;\r
261 MaxRows = VerticalResolution / EFI_GLYPH_HEIGHT;\r
262\r
263 //\r
264 // According to UEFI spec, all output devices support at least 80x25 text mode.\r
265 //\r
266 ASSERT ((MaxColumns >= 80) && (MaxRows >= 25));\r
267\r
268 //\r
269 // Add full screen mode to the last entry.\r
270 //\r
271 mGraphicsConsoleModeData[Count - 1].Columns = MaxColumns;\r
272 mGraphicsConsoleModeData[Count - 1].Rows = MaxRows;\r
273\r
274 //\r
275 // Get defined mode buffer pointer.\r
276 //\r
277 ModeBuffer = mGraphicsConsoleModeData;\r
278\r
279 //\r
280 // Here we make sure that the final mode exposed does not include the duplicated modes,\r
281 // and does not include the invalid modes which exceed the max column and row.\r
282 // Reserve 2 modes for 80x25, 80x50 of graphics console.\r
283 //\r
284 NewModeBuffer = AllocateZeroPool (sizeof (GRAPHICS_CONSOLE_MODE_DATA) * (Count + 2));\r
285 ASSERT (NewModeBuffer != NULL);\r
286\r
287 //\r
288 // Mode 0 and mode 1 is for 80x25, 80x50 according to UEFI spec.\r
289 //\r
290 ValidCount = 0; \r
291\r
292 NewModeBuffer[ValidCount].Columns = 80;\r
293 NewModeBuffer[ValidCount].Rows = 25;\r
294 NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;\r
295 NewModeBuffer[ValidCount].GopHeight = VerticalResolution;\r
296 NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;\r
297 NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (NewModeBuffer[ValidCount].Columns * EFI_GLYPH_WIDTH)) >> 1;\r
298 NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (NewModeBuffer[ValidCount].Rows * EFI_GLYPH_HEIGHT)) >> 1; \r
299 ValidCount++;\r
300\r
301 if ((MaxColumns >= 80) && (MaxRows >= 50)) {\r
302 NewModeBuffer[ValidCount].Columns = 80;\r
303 NewModeBuffer[ValidCount].Rows = 50;\r
304 NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (80 * EFI_GLYPH_WIDTH)) >> 1;\r
305 NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (50 * EFI_GLYPH_HEIGHT)) >> 1; \r
306 }\r
307 NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;\r
308 NewModeBuffer[ValidCount].GopHeight = VerticalResolution;\r
309 NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;\r
310 ValidCount++;\r
311 \r
312 //\r
313 // Start from mode 2 to put the valid mode other than 80x25 and 80x50 in the output mode buffer.\r
314 //\r
315 for (Index = 0; Index < Count; Index++) {\r
316 if ((ModeBuffer[Index].Columns == 0) || (ModeBuffer[Index].Rows == 0) ||\r
317 (ModeBuffer[Index].Columns > MaxColumns) || (ModeBuffer[Index].Rows > MaxRows)) {\r
318 //\r
319 // Skip the pre-defined mode which is invalid or exceeds the max column and row.\r
320 //\r
321 continue;\r
322 }\r
323 for (ValidIndex = 0; ValidIndex < ValidCount; ValidIndex++) {\r
324 if ((ModeBuffer[Index].Columns == NewModeBuffer[ValidIndex].Columns) &&\r
325 (ModeBuffer[Index].Rows == NewModeBuffer[ValidIndex].Rows)) {\r
326 //\r
327 // Skip the duplicated mode.\r
328 //\r
329 break;\r
330 }\r
331 }\r
332 if (ValidIndex == ValidCount) {\r
333 NewModeBuffer[ValidCount].Columns = ModeBuffer[Index].Columns;\r
334 NewModeBuffer[ValidCount].Rows = ModeBuffer[Index].Rows;\r
335 NewModeBuffer[ValidCount].GopWidth = HorizontalResolution;\r
336 NewModeBuffer[ValidCount].GopHeight = VerticalResolution;\r
337 NewModeBuffer[ValidCount].GopModeNumber = GopModeNumber;\r
338 NewModeBuffer[ValidCount].DeltaX = (HorizontalResolution - (NewModeBuffer[ValidCount].Columns * EFI_GLYPH_WIDTH)) >> 1;\r
339 NewModeBuffer[ValidCount].DeltaY = (VerticalResolution - (NewModeBuffer[ValidCount].Rows * EFI_GLYPH_HEIGHT)) >> 1;\r
340 ValidCount++;\r
341 }\r
342 }\r
343 \r
344 DEBUG_CODE (\r
345 for (Index = 0; Index < ValidCount; Index++) {\r
346 DEBUG ((EFI_D_INFO, "Graphics - Mode %d, Column = %d, Row = %d\n", \r
347 Index, NewModeBuffer[Index].Columns, NewModeBuffer[Index].Rows)); \r
348 }\r
349 );\r
350 \r
351 //\r
352 // Return valid mode count and mode information buffer.\r
353 //\r
354 *TextModeCount = ValidCount;\r
355 *TextModeData = NewModeBuffer;\r
356 return EFI_SUCCESS;\r
357}\r
358\r
359/**\r
360 Start this driver on Controller by opening Graphics Output protocol or\r
361 UGA Draw protocol, and installing Simple Text Out protocol on Controller.\r
362 (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)\r
363\r
364 @param This Protocol instance pointer.\r
365 @param Controller Handle of device to bind driver to\r
366 @param RemainingDevicePath Optional parameter use to pick a specific child\r
367 device to start.\r
368\r
369 @retval EFI_SUCCESS This driver is added to Controller.\r
370 @retval other This driver does not support this device.\r
371\r
372**/\r
373EFI_STATUS\r
374EFIAPI\r
375GraphicsConsoleControllerDriverStart (\r
376 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
377 IN EFI_HANDLE Controller,\r
378 IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
379 )\r
380{\r
381 EFI_STATUS Status;\r
382 GRAPHICS_CONSOLE_DEV *Private;\r
383 UINT32 HorizontalResolution;\r
384 UINT32 VerticalResolution;\r
385 UINT32 ColorDepth;\r
386 UINT32 RefreshRate;\r
387 UINT32 ModeIndex;\r
388 UINTN MaxMode;\r
389 UINT32 ModeNumber;\r
390 EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;\r
391 UINTN SizeOfInfo; \r
392 EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
393 \r
394 ModeNumber = 0;\r
395\r
396 //\r
397 // Initialize the Graphics Console device instance\r
398 //\r
399 Private = AllocateCopyPool (\r
400 sizeof (GRAPHICS_CONSOLE_DEV),\r
401 &mGraphicsConsoleDevTemplate\r
402 );\r
403 if (Private == NULL) {\r
404 return EFI_OUT_OF_RESOURCES;\r
405 }\r
406\r
407 Private->SimpleTextOutput.Mode = &(Private->SimpleTextOutputMode);\r
408\r
409 Status = gBS->OpenProtocol (\r
410 Controller,\r
411 &gEfiGraphicsOutputProtocolGuid,\r
412 (VOID **) &Private->GraphicsOutput,\r
413 This->DriverBindingHandle,\r
414 Controller,\r
415 EFI_OPEN_PROTOCOL_BY_DRIVER\r
416 );\r
417\r
418 if (EFI_ERROR(Status) && FeaturePcdGet (PcdUgaConsumeSupport)) {\r
419 Status = gBS->OpenProtocol (\r
420 Controller,\r
421 &gEfiUgaDrawProtocolGuid,\r
422 (VOID **) &Private->UgaDraw,\r
423 This->DriverBindingHandle,\r
424 Controller,\r
425 EFI_OPEN_PROTOCOL_BY_DRIVER\r
426 );\r
427 }\r
428\r
429 if (EFI_ERROR (Status)) {\r
430 goto Error;\r
431 }\r
432\r
433 HorizontalResolution = PcdGet32 (PcdVideoHorizontalResolution);\r
434 VerticalResolution = PcdGet32 (PcdVideoVerticalResolution);\r
435\r
436 if (Private->GraphicsOutput != NULL) {\r
437 //\r
438 // The console is build on top of Graphics Output Protocol, find the mode number\r
439 // for the user-defined mode; if there are multiple video devices,\r
440 // graphic console driver will set all the video devices to the same mode.\r
441 //\r
442 if ((HorizontalResolution == 0x0) || (VerticalResolution == 0x0)) {\r
443 //\r
444 // Find the highest resolution which GOP supports.\r
445 // \r
446 MaxMode = Private->GraphicsOutput->Mode->MaxMode;\r
447 \r
448 for (ModeIndex = 0; ModeIndex < MaxMode; ModeIndex++) {\r
449 Status = Private->GraphicsOutput->QueryMode (\r
450 Private->GraphicsOutput,\r
451 ModeIndex,\r
452 &SizeOfInfo,\r
453 &Info\r
454 );\r
455 if (!EFI_ERROR (Status)) {\r
456 if ((Info->HorizontalResolution >= HorizontalResolution) &&\r
457 (Info->VerticalResolution >= VerticalResolution)) {\r
458 HorizontalResolution = Info->HorizontalResolution;\r
459 VerticalResolution = Info->VerticalResolution;\r
460 ModeNumber = ModeIndex;\r
461 }\r
462 FreePool (Info);\r
463 }\r
464 }\r
465 if ((HorizontalResolution == 0x0) || (VerticalResolution == 0x0)) {\r
466 Status = EFI_UNSUPPORTED;\r
467 goto Error;\r
468 }\r
469 } else {\r
470 //\r
471 // Use user-defined resolution\r
472 //\r
473 Status = CheckModeSupported (\r
474 Private->GraphicsOutput,\r
475 HorizontalResolution,\r
476 VerticalResolution,\r
477 &ModeNumber\r
478 );\r
479 if (EFI_ERROR (Status)) {\r
480 //\r
481 // if not supporting current mode, try 800x600 which is required by UEFI/EFI spec\r
482 //\r
483 Status = CheckModeSupported (\r
484 Private->GraphicsOutput,\r
485 800,\r
486 600,\r
487 &ModeNumber\r
488 );\r
489 Mode = Private->GraphicsOutput->Mode;\r
490 if (EFI_ERROR (Status) && Mode->MaxMode != 0) {\r
491 //\r
492 // Set default mode failed or device don't support default mode, then get the current mode information\r
493 //\r
494 HorizontalResolution = Mode->Info->HorizontalResolution;\r
495 VerticalResolution = Mode->Info->VerticalResolution;\r
496 ModeNumber = Mode->Mode;\r
497 }\r
498 }\r
499 }\r
500 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
501 //\r
502 // At first try to set user-defined resolution\r
503 //\r
504 ColorDepth = 32;\r
505 RefreshRate = 60;\r
506 Status = Private->UgaDraw->SetMode (\r
507 Private->UgaDraw,\r
508 HorizontalResolution,\r
509 VerticalResolution,\r
510 ColorDepth,\r
511 RefreshRate\r
512 );\r
513 if (EFI_ERROR (Status)) {\r
514 //\r
515 // Try to set 800*600 which is required by UEFI/EFI spec\r
516 //\r
517 Status = Private->UgaDraw->SetMode (\r
518 Private->UgaDraw,\r
519 800,\r
520 600,\r
521 ColorDepth,\r
522 RefreshRate\r
523 );\r
524 if (EFI_ERROR (Status)) {\r
525 Status = Private->UgaDraw->GetMode (\r
526 Private->UgaDraw,\r
527 &HorizontalResolution,\r
528 &VerticalResolution,\r
529 &ColorDepth,\r
530 &RefreshRate\r
531 );\r
532 if (EFI_ERROR (Status)) {\r
533 goto Error;\r
534 }\r
535 }\r
536 }\r
537 }\r
538\r
539 //\r
540 // Initialize the mode which GraphicsConsole supports.\r
541 //\r
542 Status = InitializeGraphicsConsoleTextMode (\r
543 HorizontalResolution,\r
544 VerticalResolution,\r
545 ModeNumber,\r
546 &MaxMode,\r
547 &Private->ModeData\r
548 );\r
549\r
550 if (EFI_ERROR (Status)) {\r
551 goto Error;\r
552 }\r
553\r
554 //\r
555 // Update the maximum number of modes\r
556 //\r
557 Private->SimpleTextOutputMode.MaxMode = (INT32) MaxMode;\r
558\r
559 DEBUG_CODE_BEGIN ();\r
560 Status = GraphicsConsoleConOutSetMode (&Private->SimpleTextOutput, 0);\r
561 if (EFI_ERROR (Status)) {\r
562 goto Error;\r
563 }\r
564 Status = GraphicsConsoleConOutOutputString (&Private->SimpleTextOutput, (CHAR16 *)L"Graphics Console Started\n\r");\r
565 if (EFI_ERROR (Status)) {\r
566 goto Error;\r
567 } \r
568 DEBUG_CODE_END ();\r
569\r
570 //\r
571 // Install protocol interfaces for the Graphics Console device.\r
572 //\r
573 Status = gBS->InstallMultipleProtocolInterfaces (\r
574 &Controller,\r
575 &gEfiSimpleTextOutProtocolGuid,\r
576 &Private->SimpleTextOutput,\r
577 NULL\r
578 );\r
579\r
580Error:\r
581 if (EFI_ERROR (Status)) {\r
582 //\r
583 // Close the GOP and UGA Draw Protocol\r
584 //\r
585 if (Private->GraphicsOutput != NULL) {\r
586 gBS->CloseProtocol (\r
587 Controller,\r
588 &gEfiGraphicsOutputProtocolGuid,\r
589 This->DriverBindingHandle,\r
590 Controller\r
591 );\r
592 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
593 gBS->CloseProtocol (\r
594 Controller,\r
595 &gEfiUgaDrawProtocolGuid,\r
596 This->DriverBindingHandle,\r
597 Controller\r
598 );\r
599 }\r
600\r
601 if (Private->LineBuffer != NULL) {\r
602 FreePool (Private->LineBuffer);\r
603 }\r
604\r
605 if (Private->ModeData != NULL) {\r
606 FreePool (Private->ModeData);\r
607 }\r
608\r
609 //\r
610 // Free private data\r
611 //\r
612 FreePool (Private);\r
613 }\r
614\r
615 return Status;\r
616}\r
617\r
618/**\r
619 Stop this driver on Controller by removing Simple Text Out protocol\r
620 and closing the Graphics Output Protocol or UGA Draw protocol on Controller.\r
621 (UGA Draw protocol could be skipped if PcdUgaConsumeSupport is set to FALSE.)\r
622\r
623\r
624 @param This Protocol instance pointer.\r
625 @param Controller Handle of device to stop driver on\r
626 @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r
627 children is zero stop the entire bus driver.\r
628 @param ChildHandleBuffer List of Child Handles to Stop.\r
629\r
630 @retval EFI_SUCCESS This driver is removed Controller.\r
631 @retval EFI_NOT_STARTED Simple Text Out protocol could not be found the\r
632 Controller.\r
633 @retval other This driver was not removed from this device.\r
634\r
635**/\r
636EFI_STATUS\r
637EFIAPI\r
638GraphicsConsoleControllerDriverStop (\r
639 IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
640 IN EFI_HANDLE Controller,\r
641 IN UINTN NumberOfChildren,\r
642 IN EFI_HANDLE *ChildHandleBuffer\r
643 )\r
644{\r
645 EFI_STATUS Status;\r
646 EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *SimpleTextOutput;\r
647 GRAPHICS_CONSOLE_DEV *Private;\r
648\r
649 Status = gBS->OpenProtocol (\r
650 Controller,\r
651 &gEfiSimpleTextOutProtocolGuid,\r
652 (VOID **) &SimpleTextOutput,\r
653 This->DriverBindingHandle,\r
654 Controller,\r
655 EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
656 );\r
657 if (EFI_ERROR (Status)) {\r
658 return EFI_NOT_STARTED;\r
659 }\r
660\r
661 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (SimpleTextOutput);\r
662\r
663 Status = gBS->UninstallProtocolInterface (\r
664 Controller,\r
665 &gEfiSimpleTextOutProtocolGuid,\r
666 &Private->SimpleTextOutput\r
667 );\r
668\r
669 if (!EFI_ERROR (Status)) {\r
670 //\r
671 // Close the GOP or UGA IO Protocol\r
672 //\r
673 if (Private->GraphicsOutput != NULL) {\r
674 gBS->CloseProtocol (\r
675 Controller,\r
676 &gEfiGraphicsOutputProtocolGuid,\r
677 This->DriverBindingHandle,\r
678 Controller\r
679 );\r
680 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
681 gBS->CloseProtocol (\r
682 Controller,\r
683 &gEfiUgaDrawProtocolGuid,\r
684 This->DriverBindingHandle,\r
685 Controller\r
686 );\r
687 }\r
688\r
689 if (Private->LineBuffer != NULL) {\r
690 FreePool (Private->LineBuffer);\r
691 }\r
692\r
693 if (Private->ModeData != NULL) {\r
694 FreePool (Private->ModeData);\r
695 }\r
696\r
697 //\r
698 // Free our instance data\r
699 //\r
700 FreePool (Private);\r
701 }\r
702\r
703 return Status;\r
704}\r
705\r
706/**\r
707 Check if the current specific mode supported the user defined resolution\r
708 for the Graphics Console device based on Graphics Output Protocol.\r
709\r
710 If yes, set the graphic devcice's current mode to this specific mode.\r
711\r
712 @param GraphicsOutput Graphics Output Protocol instance pointer.\r
713 @param HorizontalResolution User defined horizontal resolution\r
714 @param VerticalResolution User defined vertical resolution.\r
715 @param CurrentModeNumber Current specific mode to be check.\r
716\r
717 @retval EFI_SUCCESS The mode is supported.\r
718 @retval EFI_UNSUPPORTED The specific mode is out of range of graphics\r
719 device supported.\r
720 @retval other The specific mode does not support user defined\r
721 resolution or failed to set the current mode to the\r
722 specific mode on graphics device.\r
723\r
724**/\r
725EFI_STATUS\r
726CheckModeSupported (\r
727 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput,\r
728 IN UINT32 HorizontalResolution,\r
729 IN UINT32 VerticalResolution,\r
730 OUT UINT32 *CurrentModeNumber\r
731 )\r
732{\r
733 UINT32 ModeNumber;\r
734 EFI_STATUS Status;\r
735 UINTN SizeOfInfo;\r
736 EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;\r
737 UINT32 MaxMode;\r
738\r
739 Status = EFI_SUCCESS;\r
740 MaxMode = GraphicsOutput->Mode->MaxMode;\r
741\r
742 for (ModeNumber = 0; ModeNumber < MaxMode; ModeNumber++) {\r
743 Status = GraphicsOutput->QueryMode (\r
744 GraphicsOutput,\r
745 ModeNumber,\r
746 &SizeOfInfo,\r
747 &Info\r
748 );\r
749 if (!EFI_ERROR (Status)) {\r
750 if ((Info->HorizontalResolution == HorizontalResolution) &&\r
751 (Info->VerticalResolution == VerticalResolution)) {\r
752 if ((GraphicsOutput->Mode->Info->HorizontalResolution == HorizontalResolution) &&\r
753 (GraphicsOutput->Mode->Info->VerticalResolution == VerticalResolution)) {\r
754 //\r
755 // If video device has been set to this mode, we do not need to SetMode again\r
756 //\r
757 FreePool (Info);\r
758 break;\r
759 } else {\r
760 Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);\r
761 if (!EFI_ERROR (Status)) {\r
762 FreePool (Info);\r
763 break;\r
764 }\r
765 }\r
766 }\r
767 FreePool (Info);\r
768 }\r
769 }\r
770\r
771 if (ModeNumber == GraphicsOutput->Mode->MaxMode) {\r
772 Status = EFI_UNSUPPORTED;\r
773 }\r
774\r
775 *CurrentModeNumber = ModeNumber;\r
776 return Status;\r
777}\r
778\r
779\r
780/**\r
781 Locate HII Database protocol and HII Font protocol.\r
782\r
783 @retval EFI_SUCCESS HII Database protocol and HII Font protocol\r
784 are located successfully.\r
785 @return other Failed to locate HII Database protocol or\r
786 HII Font protocol.\r
787\r
788**/\r
789EFI_STATUS\r
790EfiLocateHiiProtocol (\r
791 VOID\r
792 )\r
793{\r
794 EFI_HANDLE Handle;\r
795 UINTN Size;\r
796 EFI_STATUS Status;\r
797\r
798 //\r
799 // There should only be one - so buffer size is this\r
800 //\r
801 Size = sizeof (EFI_HANDLE);\r
802\r
803 Status = gBS->LocateHandle (\r
804 ByProtocol,\r
805 &gEfiHiiDatabaseProtocolGuid,\r
806 NULL,\r
807 &Size,\r
808 (VOID **) &Handle\r
809 );\r
810\r
811 if (EFI_ERROR (Status)) {\r
812 return Status;\r
813 }\r
814\r
815 Status = gBS->HandleProtocol (\r
816 Handle,\r
817 &gEfiHiiDatabaseProtocolGuid,\r
818 (VOID **) &mHiiDatabase\r
819 );\r
820\r
821 if (EFI_ERROR (Status)) {\r
822 return Status;\r
823 }\r
824\r
825 Status = gBS->HandleProtocol (\r
826 Handle,\r
827 &gEfiHiiFontProtocolGuid,\r
828 (VOID **) &mHiiFont\r
829 );\r
830 return Status;\r
831}\r
832\r
833//\r
834// Body of the STO functions\r
835//\r
836\r
837/**\r
838 Reset the text output device hardware and optionally run diagnostics.\r
839\r
840 Implements SIMPLE_TEXT_OUTPUT.Reset().\r
841 If ExtendeVerification is TRUE, then perform dependent Graphics Console\r
842 device reset, and set display mode to mode 0.\r
843 If ExtendedVerification is FALSE, only set display mode to mode 0.\r
844\r
845 @param This Protocol instance pointer.\r
846 @param ExtendedVerification Indicates that the driver may perform a more\r
847 exhaustive verification operation of the device\r
848 during reset.\r
849\r
850 @retval EFI_SUCCESS The text output device was reset.\r
851 @retval EFI_DEVICE_ERROR The text output device is not functioning correctly and\r
852 could not be reset.\r
853\r
854**/\r
855EFI_STATUS\r
856EFIAPI\r
857GraphicsConsoleConOutReset (\r
858 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
859 IN BOOLEAN ExtendedVerification\r
860 )\r
861{\r
862 EFI_STATUS Status;\r
863 Status = This->SetMode (This, 0);\r
864 if (EFI_ERROR (Status)) {\r
865 return Status;\r
866 }\r
867 Status = This->SetAttribute (This, EFI_TEXT_ATTR (This->Mode->Attribute & 0x0F, EFI_BACKGROUND_BLACK));\r
868 return Status;\r
869}\r
870\r
871\r
872/**\r
873 Write a Unicode string to the output device.\r
874\r
875 Implements SIMPLE_TEXT_OUTPUT.OutputString().\r
876 The Unicode string will be converted to Glyphs and will be\r
877 sent to the Graphics Console.\r
878\r
879 @param This Protocol instance pointer.\r
880 @param WString The NULL-terminated Unicode string to be displayed\r
881 on the output device(s). All output devices must\r
882 also support the Unicode drawing defined in this file.\r
883\r
884 @retval EFI_SUCCESS The string was output to the device.\r
885 @retval EFI_DEVICE_ERROR The device reported an error while attempting to output\r
886 the text.\r
887 @retval EFI_UNSUPPORTED The output device's mode is not currently in a\r
888 defined text mode.\r
889 @retval EFI_WARN_UNKNOWN_GLYPH This warning code indicates that some of the\r
890 characters in the Unicode string could not be\r
891 rendered and were skipped.\r
892\r
893**/\r
894EFI_STATUS\r
895EFIAPI\r
896GraphicsConsoleConOutOutputString (\r
897 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
898 IN CHAR16 *WString\r
899 )\r
900{\r
901 GRAPHICS_CONSOLE_DEV *Private;\r
902 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
903 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
904 INTN Mode;\r
905 UINTN MaxColumn;\r
906 UINTN MaxRow;\r
907 UINTN Width;\r
908 UINTN Height;\r
909 UINTN Delta;\r
910 EFI_STATUS Status;\r
911 BOOLEAN Warning;\r
912 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;\r
913 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;\r
914 UINTN DeltaX;\r
915 UINTN DeltaY;\r
916 UINTN Count;\r
917 UINTN Index;\r
918 INT32 OriginAttribute;\r
919 EFI_TPL OldTpl;\r
920\r
921 if (This->Mode->Mode == -1) {\r
922 //\r
923 // If current mode is not valid, return error.\r
924 //\r
925 return EFI_UNSUPPORTED;\r
926 }\r
927\r
928 Status = EFI_SUCCESS;\r
929 \r
930 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
931 //\r
932 // Current mode\r
933 //\r
934 Mode = This->Mode->Mode;\r
935 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
936 GraphicsOutput = Private->GraphicsOutput;\r
937 UgaDraw = Private->UgaDraw;\r
938\r
939 MaxColumn = Private->ModeData[Mode].Columns;\r
940 MaxRow = Private->ModeData[Mode].Rows;\r
941 DeltaX = (UINTN) Private->ModeData[Mode].DeltaX;\r
942 DeltaY = (UINTN) Private->ModeData[Mode].DeltaY;\r
943 Width = MaxColumn * EFI_GLYPH_WIDTH;\r
944 Height = (MaxRow - 1) * EFI_GLYPH_HEIGHT;\r
945 Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r
946\r
947 //\r
948 // The Attributes won't change when during the time OutputString is called\r
949 //\r
950 GetTextColors (This, &Foreground, &Background);\r
951\r
952 FlushCursor (This);\r
953\r
954 Warning = FALSE;\r
955\r
956 //\r
957 // Backup attribute\r
958 //\r
959 OriginAttribute = This->Mode->Attribute;\r
960\r
961 while (*WString != L'\0') {\r
962\r
963 if (*WString == CHAR_BACKSPACE) {\r
964 //\r
965 // If the cursor is at the left edge of the display, then move the cursor\r
966 // one row up.\r
967 //\r
968 if (This->Mode->CursorColumn == 0 && This->Mode->CursorRow > 0) {\r
969 This->Mode->CursorRow--;\r
970 This->Mode->CursorColumn = (INT32) (MaxColumn - 1);\r
971 This->OutputString (This, SpaceStr);\r
972 FlushCursor (This);\r
973 This->Mode->CursorRow--;\r
974 This->Mode->CursorColumn = (INT32) (MaxColumn - 1);\r
975 } else if (This->Mode->CursorColumn > 0) {\r
976 //\r
977 // If the cursor is not at the left edge of the display, then move the cursor\r
978 // left one column.\r
979 //\r
980 This->Mode->CursorColumn--;\r
981 This->OutputString (This, SpaceStr);\r
982 FlushCursor (This);\r
983 This->Mode->CursorColumn--;\r
984 }\r
985\r
986 WString++;\r
987\r
988 } else if (*WString == CHAR_LINEFEED) {\r
989 //\r
990 // If the cursor is at the bottom of the display, then scroll the display one\r
991 // row, and do not update the cursor position. Otherwise, move the cursor\r
992 // down one row.\r
993 //\r
994 if (This->Mode->CursorRow == (INT32) (MaxRow - 1)) {\r
995 if (GraphicsOutput != NULL) {\r
996 //\r
997 // Scroll Screen Up One Row\r
998 //\r
999 GraphicsOutput->Blt (\r
1000 GraphicsOutput,\r
1001 NULL,\r
1002 EfiBltVideoToVideo,\r
1003 DeltaX,\r
1004 DeltaY + EFI_GLYPH_HEIGHT,\r
1005 DeltaX,\r
1006 DeltaY,\r
1007 Width,\r
1008 Height,\r
1009 Delta\r
1010 );\r
1011\r
1012 //\r
1013 // Print Blank Line at last line\r
1014 //\r
1015 GraphicsOutput->Blt (\r
1016 GraphicsOutput,\r
1017 &Background,\r
1018 EfiBltVideoFill,\r
1019 0,\r
1020 0,\r
1021 DeltaX,\r
1022 DeltaY + Height,\r
1023 Width,\r
1024 EFI_GLYPH_HEIGHT,\r
1025 Delta\r
1026 );\r
1027 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
1028 //\r
1029 // Scroll Screen Up One Row\r
1030 //\r
1031 UgaDraw->Blt (\r
1032 UgaDraw,\r
1033 NULL,\r
1034 EfiUgaVideoToVideo,\r
1035 DeltaX,\r
1036 DeltaY + EFI_GLYPH_HEIGHT,\r
1037 DeltaX,\r
1038 DeltaY,\r
1039 Width,\r
1040 Height,\r
1041 Delta\r
1042 );\r
1043\r
1044 //\r
1045 // Print Blank Line at last line\r
1046 //\r
1047 UgaDraw->Blt (\r
1048 UgaDraw,\r
1049 (EFI_UGA_PIXEL *) (UINTN) &Background,\r
1050 EfiUgaVideoFill,\r
1051 0,\r
1052 0,\r
1053 DeltaX,\r
1054 DeltaY + Height,\r
1055 Width,\r
1056 EFI_GLYPH_HEIGHT,\r
1057 Delta\r
1058 );\r
1059 }\r
1060 } else {\r
1061 This->Mode->CursorRow++;\r
1062 }\r
1063\r
1064 WString++;\r
1065\r
1066 } else if (*WString == CHAR_CARRIAGE_RETURN) {\r
1067 //\r
1068 // Move the cursor to the beginning of the current row.\r
1069 //\r
1070 This->Mode->CursorColumn = 0;\r
1071 WString++;\r
1072\r
1073 } else if (*WString == WIDE_CHAR) {\r
1074\r
1075 This->Mode->Attribute |= EFI_WIDE_ATTRIBUTE;\r
1076 WString++;\r
1077\r
1078 } else if (*WString == NARROW_CHAR) {\r
1079\r
1080 This->Mode->Attribute &= (~ (UINT32) EFI_WIDE_ATTRIBUTE);\r
1081 WString++;\r
1082\r
1083 } else {\r
1084 //\r
1085 // Print the character at the current cursor position and move the cursor\r
1086 // right one column. If this moves the cursor past the right edge of the\r
1087 // display, then the line should wrap to the beginning of the next line. This\r
1088 // is equivalent to inserting a CR and an LF. Note that if the cursor is at the\r
1089 // bottom of the display, and the line wraps, then the display will be scrolled\r
1090 // one line.\r
1091 // If wide char is going to be displayed, need to display one character at a time\r
1092 // Or, need to know the display length of a certain string.\r
1093 //\r
1094 // Index is used to determine how many character width units (wide = 2, narrow = 1)\r
1095 // Count is used to determine how many characters are used regardless of their attributes\r
1096 //\r
1097 for (Count = 0, Index = 0; (This->Mode->CursorColumn + Index) < MaxColumn; Count++, Index++) {\r
1098 if (WString[Count] == CHAR_NULL ||\r
1099 WString[Count] == CHAR_BACKSPACE ||\r
1100 WString[Count] == CHAR_LINEFEED ||\r
1101 WString[Count] == CHAR_CARRIAGE_RETURN ||\r
1102 WString[Count] == WIDE_CHAR ||\r
1103 WString[Count] == NARROW_CHAR) {\r
1104 break;\r
1105 }\r
1106 //\r
1107 // Is the wide attribute on?\r
1108 //\r
1109 if ((This->Mode->Attribute & EFI_WIDE_ATTRIBUTE) != 0) {\r
1110 //\r
1111 // If wide, add one more width unit than normal since we are going to increment at the end of the for loop\r
1112 //\r
1113 Index++;\r
1114 //\r
1115 // This is the end-case where if we are at column 79 and about to print a wide character\r
1116 // We should prevent this from happening because we will wrap inappropriately. We should\r
1117 // not print this character until the next line.\r
1118 //\r
1119 if ((This->Mode->CursorColumn + Index + 1) > MaxColumn) {\r
1120 Index++;\r
1121 break;\r
1122 }\r
1123 }\r
1124 }\r
1125\r
1126 Status = DrawUnicodeWeightAtCursorN (This, WString, Count);\r
1127 if (EFI_ERROR (Status)) {\r
1128 Warning = TRUE;\r
1129 }\r
1130 //\r
1131 // At the end of line, output carriage return and line feed\r
1132 //\r
1133 WString += Count;\r
1134 This->Mode->CursorColumn += (INT32) Index;\r
1135 if (This->Mode->CursorColumn > (INT32) MaxColumn) {\r
1136 This->Mode->CursorColumn -= 2;\r
1137 This->OutputString (This, SpaceStr);\r
1138 }\r
1139\r
1140 if (This->Mode->CursorColumn >= (INT32) MaxColumn) {\r
1141 FlushCursor (This);\r
1142 This->OutputString (This, mCrLfString);\r
1143 FlushCursor (This);\r
1144 }\r
1145 }\r
1146 }\r
1147\r
1148 This->Mode->Attribute = OriginAttribute;\r
1149\r
1150 FlushCursor (This);\r
1151\r
1152 if (Warning) {\r
1153 Status = EFI_WARN_UNKNOWN_GLYPH;\r
1154 }\r
1155\r
1156 gBS->RestoreTPL (OldTpl);\r
1157 return Status;\r
1158\r
1159}\r
1160\r
1161/**\r
1162 Verifies that all characters in a Unicode string can be output to the\r
1163 target device.\r
1164\r
1165 Implements SIMPLE_TEXT_OUTPUT.TestString().\r
1166 If one of the characters in the *Wstring is neither valid valid Unicode\r
1167 drawing characters, not ASCII code, then this function will return\r
1168 EFI_UNSUPPORTED\r
1169\r
1170 @param This Protocol instance pointer.\r
1171 @param WString The NULL-terminated Unicode string to be examined for the output\r
1172 device(s).\r
1173\r
1174 @retval EFI_SUCCESS The device(s) are capable of rendering the output string.\r
1175 @retval EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be\r
1176 rendered by one or more of the output devices mapped\r
1177 by the EFI handle.\r
1178\r
1179**/\r
1180EFI_STATUS\r
1181EFIAPI\r
1182GraphicsConsoleConOutTestString (\r
1183 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1184 IN CHAR16 *WString\r
1185 )\r
1186{\r
1187 EFI_STATUS Status;\r
1188 UINT16 Count;\r
1189\r
1190 EFI_IMAGE_OUTPUT *Blt;\r
1191\r
1192 Blt = NULL;\r
1193 Count = 0;\r
1194\r
1195 while (WString[Count] != 0) {\r
1196 Status = mHiiFont->GetGlyph (\r
1197 mHiiFont,\r
1198 WString[Count],\r
1199 NULL,\r
1200 &Blt,\r
1201 NULL\r
1202 );\r
1203 if (Blt != NULL) {\r
1204 FreePool (Blt);\r
1205 Blt = NULL;\r
1206 }\r
1207 Count++;\r
1208\r
1209 if (EFI_ERROR (Status)) {\r
1210 return EFI_UNSUPPORTED;\r
1211 }\r
1212 }\r
1213\r
1214 return EFI_SUCCESS;\r
1215}\r
1216\r
1217\r
1218/**\r
1219 Returns information for an available text mode that the output device(s)\r
1220 supports\r
1221\r
1222 Implements SIMPLE_TEXT_OUTPUT.QueryMode().\r
1223 It returnes information for an available text mode that the Graphics Console supports.\r
1224 In this driver,we only support text mode 80x25, which is defined as mode 0.\r
1225\r
1226 @param This Protocol instance pointer.\r
1227 @param ModeNumber The mode number to return information on.\r
1228 @param Columns The returned columns of the requested mode.\r
1229 @param Rows The returned rows of the requested mode.\r
1230\r
1231 @retval EFI_SUCCESS The requested mode information is returned.\r
1232 @retval EFI_UNSUPPORTED The mode number is not valid.\r
1233\r
1234**/\r
1235EFI_STATUS\r
1236EFIAPI\r
1237GraphicsConsoleConOutQueryMode (\r
1238 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1239 IN UINTN ModeNumber,\r
1240 OUT UINTN *Columns,\r
1241 OUT UINTN *Rows\r
1242 )\r
1243{\r
1244 GRAPHICS_CONSOLE_DEV *Private;\r
1245 EFI_STATUS Status;\r
1246 EFI_TPL OldTpl;\r
1247\r
1248 if (ModeNumber >= (UINTN) This->Mode->MaxMode) {\r
1249 return EFI_UNSUPPORTED;\r
1250 }\r
1251\r
1252 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
1253 Status = EFI_SUCCESS;\r
1254\r
1255 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
1256\r
1257 *Columns = Private->ModeData[ModeNumber].Columns;\r
1258 *Rows = Private->ModeData[ModeNumber].Rows;\r
1259\r
1260 if (*Columns <= 0 || *Rows <= 0) {\r
1261 Status = EFI_UNSUPPORTED;\r
1262 goto Done;\r
1263\r
1264 }\r
1265\r
1266Done:\r
1267 gBS->RestoreTPL (OldTpl);\r
1268 return Status;\r
1269}\r
1270\r
1271\r
1272/**\r
1273 Sets the output device(s) to a specified mode.\r
1274\r
1275 Implements SIMPLE_TEXT_OUTPUT.SetMode().\r
1276 Set the Graphics Console to a specified mode. In this driver, we only support mode 0.\r
1277\r
1278 @param This Protocol instance pointer.\r
1279 @param ModeNumber The text mode to set.\r
1280\r
1281 @retval EFI_SUCCESS The requested text mode is set.\r
1282 @retval EFI_DEVICE_ERROR The requested text mode cannot be set because of\r
1283 Graphics Console device error.\r
1284 @retval EFI_UNSUPPORTED The text mode number is not valid.\r
1285\r
1286**/\r
1287EFI_STATUS\r
1288EFIAPI\r
1289GraphicsConsoleConOutSetMode (\r
1290 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1291 IN UINTN ModeNumber\r
1292 )\r
1293{\r
1294 EFI_STATUS Status;\r
1295 GRAPHICS_CONSOLE_DEV *Private;\r
1296 GRAPHICS_CONSOLE_MODE_DATA *ModeData;\r
1297 EFI_GRAPHICS_OUTPUT_BLT_PIXEL *NewLineBuffer;\r
1298 UINT32 HorizontalResolution;\r
1299 UINT32 VerticalResolution;\r
1300 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
1301 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
1302 UINT32 ColorDepth;\r
1303 UINT32 RefreshRate;\r
1304 EFI_TPL OldTpl;\r
1305\r
1306 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
1307\r
1308 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
1309 GraphicsOutput = Private->GraphicsOutput;\r
1310 UgaDraw = Private->UgaDraw;\r
1311\r
1312 //\r
1313 // Make sure the requested mode number is supported\r
1314 //\r
1315 if (ModeNumber >= (UINTN) This->Mode->MaxMode) {\r
1316 Status = EFI_UNSUPPORTED;\r
1317 goto Done;\r
1318 }\r
1319 \r
1320 ModeData = &(Private->ModeData[ModeNumber]);\r
1321\r
1322 if (ModeData->Columns <= 0 && ModeData->Rows <= 0) {\r
1323 Status = EFI_UNSUPPORTED;\r
1324 goto Done;\r
1325 }\r
1326\r
1327 //\r
1328 // If the mode has been set at least one other time, then LineBuffer will not be NULL\r
1329 //\r
1330 if (Private->LineBuffer != NULL) {\r
1331 //\r
1332 // If the new mode is the same as the old mode, then just return EFI_SUCCESS\r
1333 //\r
1334 if ((INT32) ModeNumber == This->Mode->Mode) {\r
1335 //\r
1336 // Clear the current text window on the current graphics console\r
1337 //\r
1338 This->ClearScreen (This);\r
1339 Status = EFI_SUCCESS;\r
1340 goto Done;\r
1341 }\r
1342 //\r
1343 // Otherwise, the size of the text console and/or the GOP/UGA mode will be changed,\r
1344 // so erase the cursor, and free the LineBuffer for the current mode\r
1345 //\r
1346 FlushCursor (This);\r
1347\r
1348 FreePool (Private->LineBuffer);\r
1349 }\r
1350\r
1351 //\r
1352 // Attempt to allocate a line buffer for the requested mode number\r
1353 //\r
1354 NewLineBuffer = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL) * ModeData->Columns * EFI_GLYPH_WIDTH * EFI_GLYPH_HEIGHT);\r
1355\r
1356 if (NewLineBuffer == NULL) {\r
1357 //\r
1358 // The new line buffer could not be allocated, so return an error.\r
1359 // No changes to the state of the current console have been made, so the current console is still valid\r
1360 //\r
1361 Status = EFI_OUT_OF_RESOURCES;\r
1362 goto Done;\r
1363 }\r
1364\r
1365 //\r
1366 // Assign the current line buffer to the newly allocated line buffer\r
1367 //\r
1368 Private->LineBuffer = NewLineBuffer;\r
1369\r
1370 if (GraphicsOutput != NULL) {\r
1371 if (ModeData->GopModeNumber != GraphicsOutput->Mode->Mode) {\r
1372 //\r
1373 // Either no graphics mode is currently set, or it is set to the wrong resolution, so set the new graphics mode\r
1374 //\r
1375 Status = GraphicsOutput->SetMode (GraphicsOutput, ModeData->GopModeNumber);\r
1376 if (EFI_ERROR (Status)) {\r
1377 //\r
1378 // The mode set operation failed\r
1379 //\r
1380 goto Done;\r
1381 }\r
1382 } else {\r
1383 //\r
1384 // The current graphics mode is correct, so simply clear the entire display\r
1385 //\r
1386 Status = GraphicsOutput->Blt (\r
1387 GraphicsOutput,\r
1388 &mGraphicsEfiColors[0],\r
1389 EfiBltVideoFill,\r
1390 0,\r
1391 0,\r
1392 0,\r
1393 0,\r
1394 ModeData->GopWidth,\r
1395 ModeData->GopHeight,\r
1396 0\r
1397 );\r
1398 }\r
1399 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
1400 //\r
1401 // Get the current UGA Draw mode information\r
1402 //\r
1403 Status = UgaDraw->GetMode (\r
1404 UgaDraw,\r
1405 &HorizontalResolution,\r
1406 &VerticalResolution,\r
1407 &ColorDepth,\r
1408 &RefreshRate\r
1409 );\r
1410 if (EFI_ERROR (Status) || HorizontalResolution != ModeData->GopWidth || VerticalResolution != ModeData->GopHeight) {\r
1411 //\r
1412 // Either no graphics mode is currently set, or it is set to the wrong resolution, so set the new graphics mode\r
1413 //\r
1414 Status = UgaDraw->SetMode (\r
1415 UgaDraw,\r
1416 ModeData->GopWidth,\r
1417 ModeData->GopHeight,\r
1418 32,\r
1419 60\r
1420 );\r
1421 if (EFI_ERROR (Status)) {\r
1422 //\r
1423 // The mode set operation failed\r
1424 //\r
1425 goto Done;\r
1426 }\r
1427 } else {\r
1428 //\r
1429 // The current graphics mode is correct, so simply clear the entire display\r
1430 //\r
1431 Status = UgaDraw->Blt (\r
1432 UgaDraw,\r
1433 (EFI_UGA_PIXEL *) (UINTN) &mGraphicsEfiColors[0],\r
1434 EfiUgaVideoFill,\r
1435 0,\r
1436 0,\r
1437 0,\r
1438 0,\r
1439 ModeData->GopWidth,\r
1440 ModeData->GopHeight,\r
1441 0\r
1442 );\r
1443 }\r
1444 }\r
1445\r
1446 //\r
1447 // The new mode is valid, so commit the mode change\r
1448 //\r
1449 This->Mode->Mode = (INT32) ModeNumber;\r
1450\r
1451 //\r
1452 // Move the text cursor to the upper left hand corner of the display and flush it\r
1453 //\r
1454 This->Mode->CursorColumn = 0;\r
1455 This->Mode->CursorRow = 0;\r
1456\r
1457 FlushCursor (This); \r
1458\r
1459 Status = EFI_SUCCESS;\r
1460\r
1461Done:\r
1462 gBS->RestoreTPL (OldTpl);\r
1463 return Status;\r
1464}\r
1465\r
1466\r
1467/**\r
1468 Sets the background and foreground colors for the OutputString () and\r
1469 ClearScreen () functions.\r
1470\r
1471 Implements SIMPLE_TEXT_OUTPUT.SetAttribute().\r
1472\r
1473 @param This Protocol instance pointer.\r
1474 @param Attribute The attribute to set. Bits 0..3 are the foreground\r
1475 color, and bits 4..6 are the background color.\r
1476 All other bits are undefined and must be zero.\r
1477\r
1478 @retval EFI_SUCCESS The requested attribute is set.\r
1479 @retval EFI_DEVICE_ERROR The requested attribute cannot be set due to Graphics Console port error.\r
1480 @retval EFI_UNSUPPORTED The attribute requested is not defined.\r
1481\r
1482**/\r
1483EFI_STATUS\r
1484EFIAPI\r
1485GraphicsConsoleConOutSetAttribute (\r
1486 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1487 IN UINTN Attribute\r
1488 )\r
1489{\r
1490 EFI_TPL OldTpl;\r
1491\r
1492 if ((Attribute | 0xFF) != 0xFF) {\r
1493 return EFI_UNSUPPORTED;\r
1494 }\r
1495\r
1496 if (This->Mode->Mode == -1) {\r
1497 //\r
1498 // If current mode is not valid, return error.\r
1499 //\r
1500 return EFI_UNSUPPORTED;\r
1501 }\r
1502\r
1503 if ((INT32) Attribute == This->Mode->Attribute) {\r
1504 return EFI_SUCCESS;\r
1505 }\r
1506\r
1507 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
1508\r
1509 FlushCursor (This);\r
1510\r
1511 This->Mode->Attribute = (INT32) Attribute;\r
1512\r
1513 FlushCursor (This);\r
1514\r
1515 gBS->RestoreTPL (OldTpl);\r
1516\r
1517 return EFI_SUCCESS;\r
1518}\r
1519\r
1520\r
1521/**\r
1522 Clears the output device(s) display to the currently selected background\r
1523 color.\r
1524\r
1525 Implements SIMPLE_TEXT_OUTPUT.ClearScreen().\r
1526\r
1527 @param This Protocol instance pointer.\r
1528\r
1529 @retval EFI_SUCCESS The operation completed successfully.\r
1530 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r
1531 @retval EFI_UNSUPPORTED The output device is not in a valid text mode.\r
1532\r
1533**/\r
1534EFI_STATUS\r
1535EFIAPI\r
1536GraphicsConsoleConOutClearScreen (\r
1537 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r
1538 )\r
1539{\r
1540 EFI_STATUS Status;\r
1541 GRAPHICS_CONSOLE_DEV *Private;\r
1542 GRAPHICS_CONSOLE_MODE_DATA *ModeData;\r
1543 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
1544 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
1545 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground;\r
1546 EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;\r
1547 EFI_TPL OldTpl;\r
1548 \r
1549 if (This->Mode->Mode == -1) {\r
1550 //\r
1551 // If current mode is not valid, return error.\r
1552 //\r
1553 return EFI_UNSUPPORTED;\r
1554 }\r
1555\r
1556 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
1557\r
1558 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
1559 GraphicsOutput = Private->GraphicsOutput;\r
1560 UgaDraw = Private->UgaDraw;\r
1561 ModeData = &(Private->ModeData[This->Mode->Mode]);\r
1562\r
1563 GetTextColors (This, &Foreground, &Background);\r
1564 if (GraphicsOutput != NULL) {\r
1565 Status = GraphicsOutput->Blt (\r
1566 GraphicsOutput,\r
1567 &Background,\r
1568 EfiBltVideoFill,\r
1569 0,\r
1570 0,\r
1571 0,\r
1572 0,\r
1573 ModeData->GopWidth,\r
1574 ModeData->GopHeight,\r
1575 0\r
1576 );\r
1577 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
1578 Status = UgaDraw->Blt (\r
1579 UgaDraw,\r
1580 (EFI_UGA_PIXEL *) (UINTN) &Background,\r
1581 EfiUgaVideoFill,\r
1582 0,\r
1583 0,\r
1584 0,\r
1585 0,\r
1586 ModeData->GopWidth,\r
1587 ModeData->GopHeight,\r
1588 0\r
1589 );\r
1590 } else {\r
1591 Status = EFI_UNSUPPORTED;\r
1592 }\r
1593\r
1594 This->Mode->CursorColumn = 0;\r
1595 This->Mode->CursorRow = 0;\r
1596\r
1597 FlushCursor (This);\r
1598\r
1599 gBS->RestoreTPL (OldTpl);\r
1600\r
1601 return Status;\r
1602}\r
1603\r
1604\r
1605/**\r
1606 Sets the current coordinates of the cursor position.\r
1607\r
1608 Implements SIMPLE_TEXT_OUTPUT.SetCursorPosition().\r
1609\r
1610 @param This Protocol instance pointer.\r
1611 @param Column The position to set the cursor to. Must be greater than or\r
1612 equal to zero and less than the number of columns and rows\r
1613 by QueryMode ().\r
1614 @param Row The position to set the cursor to. Must be greater than or\r
1615 equal to zero and less than the number of columns and rows\r
1616 by QueryMode ().\r
1617\r
1618 @retval EFI_SUCCESS The operation completed successfully.\r
1619 @retval EFI_DEVICE_ERROR The device had an error and could not complete the request.\r
1620 @retval EFI_UNSUPPORTED The output device is not in a valid text mode, or the\r
1621 cursor position is invalid for the current mode.\r
1622\r
1623**/\r
1624EFI_STATUS\r
1625EFIAPI\r
1626GraphicsConsoleConOutSetCursorPosition (\r
1627 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1628 IN UINTN Column,\r
1629 IN UINTN Row\r
1630 )\r
1631{\r
1632 GRAPHICS_CONSOLE_DEV *Private;\r
1633 GRAPHICS_CONSOLE_MODE_DATA *ModeData;\r
1634 EFI_STATUS Status;\r
1635 EFI_TPL OldTpl;\r
1636\r
1637 if (This->Mode->Mode == -1) {\r
1638 //\r
1639 // If current mode is not valid, return error.\r
1640 //\r
1641 return EFI_UNSUPPORTED;\r
1642 }\r
1643\r
1644 Status = EFI_SUCCESS;\r
1645\r
1646 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
1647\r
1648 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
1649 ModeData = &(Private->ModeData[This->Mode->Mode]);\r
1650\r
1651 if ((Column >= ModeData->Columns) || (Row >= ModeData->Rows)) {\r
1652 Status = EFI_UNSUPPORTED;\r
1653 goto Done;\r
1654 }\r
1655\r
1656 if ((This->Mode->CursorColumn == (INT32) Column) && (This->Mode->CursorRow == (INT32) Row)) {\r
1657 Status = EFI_SUCCESS;\r
1658 goto Done;\r
1659 }\r
1660\r
1661 FlushCursor (This);\r
1662\r
1663 This->Mode->CursorColumn = (INT32) Column;\r
1664 This->Mode->CursorRow = (INT32) Row;\r
1665\r
1666 FlushCursor (This);\r
1667\r
1668Done:\r
1669 gBS->RestoreTPL (OldTpl);\r
1670\r
1671 return Status;\r
1672}\r
1673\r
1674\r
1675/**\r
1676 Makes the cursor visible or invisible.\r
1677\r
1678 Implements SIMPLE_TEXT_OUTPUT.EnableCursor().\r
1679\r
1680 @param This Protocol instance pointer.\r
1681 @param Visible If TRUE, the cursor is set to be visible, If FALSE,\r
1682 the cursor is set to be invisible.\r
1683\r
1684 @retval EFI_SUCCESS The operation completed successfully.\r
1685 @retval EFI_UNSUPPORTED The output device's mode is not currently in a\r
1686 defined text mode.\r
1687\r
1688**/\r
1689EFI_STATUS\r
1690EFIAPI\r
1691GraphicsConsoleConOutEnableCursor (\r
1692 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1693 IN BOOLEAN Visible\r
1694 )\r
1695{\r
1696 EFI_TPL OldTpl;\r
1697\r
1698 if (This->Mode->Mode == -1) {\r
1699 //\r
1700 // If current mode is not valid, return error.\r
1701 //\r
1702 return EFI_UNSUPPORTED;\r
1703 }\r
1704\r
1705 OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r
1706\r
1707 FlushCursor (This);\r
1708\r
1709 This->Mode->CursorVisible = Visible;\r
1710\r
1711 FlushCursor (This);\r
1712\r
1713 gBS->RestoreTPL (OldTpl);\r
1714 return EFI_SUCCESS;\r
1715}\r
1716\r
1717/**\r
1718 Gets Graphics Console devcie's foreground color and background color.\r
1719\r
1720 @param This Protocol instance pointer.\r
1721 @param Foreground Returned text foreground color.\r
1722 @param Background Returned text background color.\r
1723\r
1724 @retval EFI_SUCCESS It returned always.\r
1725\r
1726**/\r
1727EFI_STATUS\r
1728GetTextColors (\r
1729 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1730 OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Foreground,\r
1731 OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Background\r
1732 )\r
1733{\r
1734 INTN Attribute;\r
1735\r
1736 Attribute = This->Mode->Attribute & 0x7F;\r
1737\r
1738 *Foreground = mGraphicsEfiColors[Attribute & 0x0f];\r
1739 *Background = mGraphicsEfiColors[Attribute >> 4];\r
1740\r
1741 return EFI_SUCCESS;\r
1742}\r
1743\r
1744/**\r
1745 Draw Unicode string on the Graphics Console device's screen.\r
1746\r
1747 @param This Protocol instance pointer.\r
1748 @param UnicodeWeight One Unicode string to be displayed.\r
1749 @param Count The count of Unicode string.\r
1750\r
1751 @retval EFI_OUT_OF_RESOURCES If no memory resource to use.\r
1752 @retval EFI_UNSUPPORTED If no Graphics Output protocol and UGA Draw\r
1753 protocol exist.\r
1754 @retval EFI_SUCCESS Drawing Unicode string implemented successfully.\r
1755\r
1756**/\r
1757EFI_STATUS\r
1758DrawUnicodeWeightAtCursorN (\r
1759 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,\r
1760 IN CHAR16 *UnicodeWeight,\r
1761 IN UINTN Count\r
1762 )\r
1763{\r
1764 EFI_STATUS Status;\r
1765 GRAPHICS_CONSOLE_DEV *Private;\r
1766 EFI_IMAGE_OUTPUT *Blt;\r
1767 EFI_STRING String;\r
1768 EFI_FONT_DISPLAY_INFO *FontInfo;\r
1769 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
1770 EFI_HII_ROW_INFO *RowInfoArray;\r
1771 UINTN RowInfoArraySize;\r
1772\r
1773 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
1774 Blt = (EFI_IMAGE_OUTPUT *) AllocateZeroPool (sizeof (EFI_IMAGE_OUTPUT));\r
1775 if (Blt == NULL) {\r
1776 return EFI_OUT_OF_RESOURCES;\r
1777 }\r
1778\r
1779 Blt->Width = (UINT16) (Private->ModeData[This->Mode->Mode].GopWidth);\r
1780 Blt->Height = (UINT16) (Private->ModeData[This->Mode->Mode].GopHeight);\r
1781\r
1782 String = AllocateCopyPool ((Count + 1) * sizeof (CHAR16), UnicodeWeight);\r
1783 if (String == NULL) {\r
1784 FreePool (Blt);\r
1785 return EFI_OUT_OF_RESOURCES;\r
1786 }\r
1787 //\r
1788 // Set the end character\r
1789 //\r
1790 *(String + Count) = L'\0';\r
1791\r
1792 FontInfo = (EFI_FONT_DISPLAY_INFO *) AllocateZeroPool (sizeof (EFI_FONT_DISPLAY_INFO));\r
1793 if (FontInfo == NULL) {\r
1794 FreePool (Blt);\r
1795 FreePool (String);\r
1796 return EFI_OUT_OF_RESOURCES;\r
1797 }\r
1798 //\r
1799 // Get current foreground and background colors.\r
1800 //\r
1801 GetTextColors (This, &FontInfo->ForegroundColor, &FontInfo->BackgroundColor);\r
1802\r
1803 if (Private->GraphicsOutput != NULL) {\r
1804 //\r
1805 // If Graphics Output protocol exists, using HII Font protocol to draw.\r
1806 //\r
1807 Blt->Image.Screen = Private->GraphicsOutput;\r
1808\r
1809 Status = mHiiFont->StringToImage (\r
1810 mHiiFont,\r
1811 EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_DIRECT_TO_SCREEN | EFI_HII_IGNORE_LINE_BREAK,\r
1812 String,\r
1813 FontInfo,\r
1814 &Blt,\r
1815 This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,\r
1816 This->Mode->CursorRow * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,\r
1817 NULL,\r
1818 NULL,\r
1819 NULL\r
1820 );\r
1821\r
1822 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
1823 //\r
1824 // If Graphics Output protocol cannot be found and PcdUgaConsumeSupport enabled,\r
1825 // using UGA Draw protocol to draw.\r
1826 //\r
1827 ASSERT (Private->UgaDraw!= NULL);\r
1828\r
1829 UgaDraw = Private->UgaDraw;\r
1830\r
1831 Blt->Image.Bitmap = AllocateZeroPool (Blt->Width * Blt->Height * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r
1832 if (Blt->Image.Bitmap == NULL) {\r
1833 FreePool (Blt);\r
1834 FreePool (String);\r
1835 return EFI_OUT_OF_RESOURCES;\r
1836 }\r
1837\r
1838 RowInfoArray = NULL;\r
1839 //\r
1840 // StringToImage only support blt'ing image to device using GOP protocol. If GOP is not supported in this platform,\r
1841 // we ask StringToImage to print the string to blt buffer, then blt to device using UgaDraw.\r
1842 //\r
1843 Status = mHiiFont->StringToImage (\r
1844 mHiiFont,\r
1845 EFI_HII_IGNORE_IF_NO_GLYPH | EFI_HII_IGNORE_LINE_BREAK,\r
1846 String,\r
1847 FontInfo,\r
1848 &Blt,\r
1849 This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,\r
1850 This->Mode->CursorRow * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,\r
1851 &RowInfoArray,\r
1852 &RowInfoArraySize,\r
1853 NULL\r
1854 );\r
1855\r
1856 if (!EFI_ERROR (Status)) {\r
1857 //\r
1858 // Line breaks are handled by caller of DrawUnicodeWeightAtCursorN, so the updated parameter RowInfoArraySize by StringToImage will\r
1859 // always be 1 or 0 (if there is no valid Unicode Char can be printed). ASSERT here to make sure.\r
1860 //\r
1861 ASSERT (RowInfoArraySize <= 1);\r
1862\r
1863 Status = UgaDraw->Blt (\r
1864 UgaDraw,\r
1865 (EFI_UGA_PIXEL *) Blt->Image.Bitmap,\r
1866 EfiUgaBltBufferToVideo,\r
1867 This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,\r
1868 (This->Mode->CursorRow) * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,\r
1869 This->Mode->CursorColumn * EFI_GLYPH_WIDTH + Private->ModeData[This->Mode->Mode].DeltaX,\r
1870 (This->Mode->CursorRow) * EFI_GLYPH_HEIGHT + Private->ModeData[This->Mode->Mode].DeltaY,\r
1871 RowInfoArray[0].LineWidth,\r
1872 RowInfoArray[0].LineHeight,\r
1873 Blt->Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r
1874 );\r
1875 }\r
1876\r
1877 FreePool (RowInfoArray);\r
1878 FreePool (Blt->Image.Bitmap);\r
1879 } else {\r
1880 Status = EFI_UNSUPPORTED;\r
1881 }\r
1882\r
1883 if (Blt != NULL) {\r
1884 FreePool (Blt);\r
1885 }\r
1886 if (String != NULL) {\r
1887 FreePool (String);\r
1888 }\r
1889 if (FontInfo != NULL) {\r
1890 FreePool (FontInfo);\r
1891 }\r
1892 return Status;\r
1893}\r
1894\r
1895/**\r
1896 Flush the cursor on the screen.\r
1897 \r
1898 If CursorVisible is FALSE, nothing to do and return directly.\r
1899 If CursorVisible is TRUE, \r
1900 i) If the cursor shows on screen, it will be erased.\r
1901 ii) If the cursor does not show on screen, it will be shown. \r
1902\r
1903 @param This Protocol instance pointer.\r
1904\r
1905 @retval EFI_SUCCESS The cursor is erased successfully.\r
1906\r
1907**/\r
1908EFI_STATUS\r
1909FlushCursor (\r
1910 IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This\r
1911 )\r
1912{\r
1913 GRAPHICS_CONSOLE_DEV *Private;\r
1914 EFI_SIMPLE_TEXT_OUTPUT_MODE *CurrentMode;\r
1915 INTN GlyphX;\r
1916 INTN GlyphY;\r
1917 EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
1918 EFI_UGA_DRAW_PROTOCOL *UgaDraw;\r
1919 EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Foreground;\r
1920 EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION Background;\r
1921 EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION BltChar[EFI_GLYPH_HEIGHT][EFI_GLYPH_WIDTH];\r
1922 UINTN PosX;\r
1923 UINTN PosY;\r
1924\r
1925 CurrentMode = This->Mode;\r
1926\r
1927 if (!CurrentMode->CursorVisible) {\r
1928 return EFI_SUCCESS;\r
1929 }\r
1930\r
1931 Private = GRAPHICS_CONSOLE_CON_OUT_DEV_FROM_THIS (This);\r
1932 GraphicsOutput = Private->GraphicsOutput;\r
1933 UgaDraw = Private->UgaDraw;\r
1934\r
1935 //\r
1936 // In this driver, only narrow character was supported.\r
1937 //\r
1938 //\r
1939 // Blt a character to the screen\r
1940 //\r
1941 GlyphX = (CurrentMode->CursorColumn * EFI_GLYPH_WIDTH) + Private->ModeData[CurrentMode->Mode].DeltaX;\r
1942 GlyphY = (CurrentMode->CursorRow * EFI_GLYPH_HEIGHT) + Private->ModeData[CurrentMode->Mode].DeltaY;\r
1943 if (GraphicsOutput != NULL) {\r
1944 GraphicsOutput->Blt (\r
1945 GraphicsOutput,\r
1946 (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltChar,\r
1947 EfiBltVideoToBltBuffer,\r
1948 GlyphX,\r
1949 GlyphY,\r
1950 0,\r
1951 0,\r
1952 EFI_GLYPH_WIDTH,\r
1953 EFI_GLYPH_HEIGHT,\r
1954 EFI_GLYPH_WIDTH * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r
1955 );\r
1956 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
1957 UgaDraw->Blt (\r
1958 UgaDraw,\r
1959 (EFI_UGA_PIXEL *) (UINTN) BltChar,\r
1960 EfiUgaVideoToBltBuffer,\r
1961 GlyphX,\r
1962 GlyphY,\r
1963 0,\r
1964 0,\r
1965 EFI_GLYPH_WIDTH,\r
1966 EFI_GLYPH_HEIGHT,\r
1967 EFI_GLYPH_WIDTH * sizeof (EFI_UGA_PIXEL)\r
1968 );\r
1969 }\r
1970\r
1971 GetTextColors (This, &Foreground.Pixel, &Background.Pixel);\r
1972\r
1973 //\r
1974 // Convert Monochrome bitmap of the Glyph to BltBuffer structure\r
1975 //\r
1976 for (PosY = 0; PosY < EFI_GLYPH_HEIGHT; PosY++) {\r
1977 for (PosX = 0; PosX < EFI_GLYPH_WIDTH; PosX++) {\r
1978 if ((mCursorGlyph.GlyphCol1[PosY] & (BIT0 << PosX)) != 0) {\r
1979 BltChar[PosY][EFI_GLYPH_WIDTH - PosX - 1].Raw ^= Foreground.Raw;\r
1980 }\r
1981 }\r
1982 }\r
1983\r
1984 if (GraphicsOutput != NULL) {\r
1985 GraphicsOutput->Blt (\r
1986 GraphicsOutput,\r
1987 (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltChar,\r
1988 EfiBltBufferToVideo,\r
1989 0,\r
1990 0,\r
1991 GlyphX,\r
1992 GlyphY,\r
1993 EFI_GLYPH_WIDTH,\r
1994 EFI_GLYPH_HEIGHT,\r
1995 EFI_GLYPH_WIDTH * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL)\r
1996 );\r
1997 } else if (FeaturePcdGet (PcdUgaConsumeSupport)) {\r
1998 UgaDraw->Blt (\r
1999 UgaDraw,\r
2000 (EFI_UGA_PIXEL *) (UINTN) BltChar,\r
2001 EfiUgaBltBufferToVideo,\r
2002 0,\r
2003 0,\r
2004 GlyphX,\r
2005 GlyphY,\r
2006 EFI_GLYPH_WIDTH,\r
2007 EFI_GLYPH_HEIGHT,\r
2008 EFI_GLYPH_WIDTH * sizeof (EFI_UGA_PIXEL)\r
2009 );\r
2010 }\r
2011\r
2012 return EFI_SUCCESS;\r
2013}\r
2014\r
2015/**\r
2016 HII Database Protocol notification event handler.\r
2017\r
2018 Register font package when HII Database Protocol has been installed.\r
2019\r
2020 @param[in] Event Event whose notification function is being invoked.\r
2021 @param[in] Context Pointer to the notification function's context.\r
2022**/\r
2023VOID\r
2024EFIAPI\r
2025RegisterFontPackage (\r
2026 IN EFI_EVENT Event,\r
2027 IN VOID *Context\r
2028 )\r
2029{\r
2030 EFI_STATUS Status;\r
2031 EFI_HII_SIMPLE_FONT_PACKAGE_HDR *SimplifiedFont;\r
2032 UINT32 PackageLength;\r
2033 UINT8 *Package;\r
2034 UINT8 *Location;\r
2035 EFI_HII_DATABASE_PROTOCOL *HiiDatabase;\r
2036\r
2037 //\r
2038 // Locate HII Database Protocol\r
2039 //\r
2040 Status = gBS->LocateProtocol (\r
2041 &gEfiHiiDatabaseProtocolGuid,\r
2042 NULL,\r
2043 (VOID **) &HiiDatabase\r
2044 );\r
2045 ASSERT_EFI_ERROR (Status);\r
2046\r
2047 //\r
2048 // Add 4 bytes to the header for entire length for HiiAddPackages use only.\r
2049 //\r
2050 // +--------------------------------+ <-- Package\r
2051 // | |\r
2052 // | PackageLength(4 bytes) |\r
2053 // | |\r
2054 // |--------------------------------| <-- SimplifiedFont\r
2055 // | |\r
2056 // |EFI_HII_SIMPLE_FONT_PACKAGE_HDR |\r
2057 // | |\r
2058 // |--------------------------------| <-- Location\r
2059 // | |\r
2060 // | gUsStdNarrowGlyphData |\r
2061 // | |\r
2062 // +--------------------------------+\r
2063\r
2064 PackageLength = sizeof (EFI_HII_SIMPLE_FONT_PACKAGE_HDR) + mNarrowFontSize + 4;\r
2065 Package = AllocateZeroPool (PackageLength);\r
2066 ASSERT (Package != NULL);\r
2067\r
2068 WriteUnaligned32((UINT32 *) Package,PackageLength);\r
2069 SimplifiedFont = (EFI_HII_SIMPLE_FONT_PACKAGE_HDR *) (Package + 4);\r
2070 SimplifiedFont->Header.Length = (UINT32) (PackageLength - 4);\r
2071 SimplifiedFont->Header.Type = EFI_HII_PACKAGE_SIMPLE_FONTS;\r
2072 SimplifiedFont->NumberOfNarrowGlyphs = (UINT16) (mNarrowFontSize / sizeof (EFI_NARROW_GLYPH));\r
2073\r
2074 Location = (UINT8 *) (&SimplifiedFont->NumberOfWideGlyphs + 1);\r
2075 CopyMem (Location, gUsStdNarrowGlyphData, mNarrowFontSize);\r
2076\r
2077 //\r
2078 // Add this simplified font package to a package list then install it.\r
2079 //\r
2080 mHiiHandle = HiiAddPackages (\r
2081 &mFontPackageListGuid,\r
2082 NULL,\r
2083 Package,\r
2084 NULL\r
2085 );\r
2086 ASSERT (mHiiHandle != NULL);\r
2087 FreePool (Package);\r
2088}\r
2089\r
2090/**\r
2091 The user Entry Point for module GraphicsConsole. The user code starts with this function.\r
2092\r
2093 @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
2094 @param[in] SystemTable A pointer to the EFI System Table.\r
2095\r
2096 @retval EFI_SUCCESS The entry point is executed successfully.\r
2097 @return other Some error occurs when executing this entry point.\r
2098\r
2099**/\r
2100EFI_STATUS\r
2101EFIAPI\r
2102InitializeGraphicsConsole (\r
2103 IN EFI_HANDLE ImageHandle,\r
2104 IN EFI_SYSTEM_TABLE *SystemTable\r
2105 )\r
2106{\r
2107 EFI_STATUS Status;\r
2108\r
2109 //\r
2110 // Register notify function on HII Database Protocol to add font package.\r
2111 //\r
2112 EfiCreateProtocolNotifyEvent (\r
2113 &gEfiHiiDatabaseProtocolGuid,\r
2114 TPL_CALLBACK,\r
2115 RegisterFontPackage,\r
2116 NULL,\r
2117 &mHiiRegistration\r
2118 );\r
2119\r
2120 //\r
2121 // Install driver model protocol(s).\r
2122 //\r
2123 Status = EfiLibInstallDriverBindingComponentName2 (\r
2124 ImageHandle,\r
2125 SystemTable,\r
2126 &gGraphicsConsoleDriverBinding,\r
2127 ImageHandle,\r
2128 &gGraphicsConsoleComponentName,\r
2129 &gGraphicsConsoleComponentName2\r
2130 );\r
2131 ASSERT_EFI_ERROR (Status);\r
2132\r
2133 return Status;\r
2134}\r
2135\r
2136\r
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