1 | /* $Id: VBoxVgaGraphicsOutput.c 29081 2010-05-05 13:32:04Z vboxsync $ */
|
---|
2 | /** @file
|
---|
3 | * LegacyBiosMpTable.h
|
---|
4 | */
|
---|
5 |
|
---|
6 | /*
|
---|
7 | * Copyright (C) 2009-2010 Oracle Corporation
|
---|
8 | *
|
---|
9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
---|
10 | * available from http://www.virtualbox.org. This file is free software;
|
---|
11 | * you can redistribute it and/or modify it under the terms of the GNU
|
---|
12 | * General Public License (GPL) as published by the Free Software
|
---|
13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
---|
14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
---|
15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
---|
16 | */
|
---|
17 |
|
---|
18 | /*
|
---|
19 | This code is based on:
|
---|
20 |
|
---|
21 | Copyright (c) 2007, Intel Corporation
|
---|
22 | All rights reserved. This program and the accompanying materials
|
---|
23 | are licensed and made available under the terms and conditions of the BSD License
|
---|
24 | which accompanies this distribution. The full text of the license may be found at
|
---|
25 | http://opensource.org/licenses/bsd-license.php
|
---|
26 |
|
---|
27 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
---|
28 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
---|
29 |
|
---|
30 | Module Name:
|
---|
31 |
|
---|
32 | UefiVBoxVgaGraphicsOutput.c
|
---|
33 |
|
---|
34 | Abstract:
|
---|
35 |
|
---|
36 | This file produces the graphics abstration of Graphics Output Protocol. It is called by
|
---|
37 | VBoxVga.c file which deals with the EFI 1.1 driver model.
|
---|
38 | This file just does graphics.
|
---|
39 |
|
---|
40 | */
|
---|
41 | #include "VBoxVga.h"
|
---|
42 | #include <IndustryStandard/Acpi.h>
|
---|
43 |
|
---|
44 |
|
---|
45 | STATIC
|
---|
46 | VOID
|
---|
47 | VBoxVgaCompleteModeInfo (
|
---|
48 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info
|
---|
49 | )
|
---|
50 | {
|
---|
51 | Info->Version = 0;
|
---|
52 | Info->PixelFormat = PixelBlueGreenRedReserved8BitPerColor;
|
---|
53 | Info->PixelsPerScanLine = Info->HorizontalResolution;
|
---|
54 | }
|
---|
55 |
|
---|
56 |
|
---|
57 | STATIC
|
---|
58 | EFI_STATUS
|
---|
59 | VBoxVgaCompleteModeData (
|
---|
60 | IN VBOX_VGA_PRIVATE_DATA *Private,
|
---|
61 | OUT EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode
|
---|
62 | )
|
---|
63 | {
|
---|
64 | EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
|
---|
65 | EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *FrameBufDesc;
|
---|
66 |
|
---|
67 | Info = Mode->Info;
|
---|
68 | VBoxVgaCompleteModeInfo (Info);
|
---|
69 |
|
---|
70 | Private->PciIo->GetBarAttributes (
|
---|
71 | Private->PciIo,
|
---|
72 | 0,
|
---|
73 | NULL,
|
---|
74 | (VOID**) &FrameBufDesc
|
---|
75 | );
|
---|
76 |
|
---|
77 | DEBUG((DEBUG_INFO, "%a:%d FrameBufferBase:%x\n", __FILE__, __LINE__, FrameBufDesc->AddrRangeMin));
|
---|
78 | Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin;
|
---|
79 | Mode->FrameBufferSize = (UINTN)(FrameBufDesc->AddrRangeMax - FrameBufDesc->AddrRangeMin);
|
---|
80 |
|
---|
81 | return EFI_SUCCESS;
|
---|
82 | }
|
---|
83 |
|
---|
84 |
|
---|
85 | //
|
---|
86 | // Graphics Output Protocol Member Functions
|
---|
87 | //
|
---|
88 | EFI_STATUS
|
---|
89 | EFIAPI
|
---|
90 | VBoxVgaGraphicsOutputQueryMode (
|
---|
91 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
|
---|
92 | IN UINT32 ModeNumber,
|
---|
93 | OUT UINTN *SizeOfInfo,
|
---|
94 | OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
|
---|
95 | )
|
---|
96 | /*++
|
---|
97 |
|
---|
98 | Routine Description:
|
---|
99 |
|
---|
100 | Graphics Output protocol interface to query video mode
|
---|
101 |
|
---|
102 | Arguments:
|
---|
103 | This - Protocol instance pointer.
|
---|
104 | ModeNumber - The mode number to return information on.
|
---|
105 | Info - Caller allocated buffer that returns information about ModeNumber.
|
---|
106 | SizeOfInfo - A pointer to the size, in bytes, of the Info buffer.
|
---|
107 |
|
---|
108 | Returns:
|
---|
109 | EFI_SUCCESS - Mode information returned.
|
---|
110 | EFI_BUFFER_TOO_SMALL - The Info buffer was too small.
|
---|
111 | EFI_DEVICE_ERROR - A hardware error occurred trying to retrieve the video mode.
|
---|
112 | EFI_NOT_STARTED - Video display is not initialized. Call SetMode ()
|
---|
113 | EFI_INVALID_PARAMETER - One of the input args was NULL.
|
---|
114 |
|
---|
115 | --*/
|
---|
116 | {
|
---|
117 | VBOX_VGA_PRIVATE_DATA *Private;
|
---|
118 |
|
---|
119 | Private = VBOX_VGA_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
|
---|
120 |
|
---|
121 | if (Private->HardwareNeedsStarting) {
|
---|
122 | return EFI_NOT_STARTED;
|
---|
123 | }
|
---|
124 |
|
---|
125 | if (Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
|
---|
126 | return EFI_INVALID_PARAMETER;
|
---|
127 | }
|
---|
128 |
|
---|
129 | *Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
|
---|
130 | if (*Info == NULL) {
|
---|
131 | return EFI_OUT_OF_RESOURCES;
|
---|
132 | }
|
---|
133 |
|
---|
134 | *SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
|
---|
135 |
|
---|
136 | (*Info)->HorizontalResolution = Private->ModeData[ModeNumber].HorizontalResolution;
|
---|
137 | (*Info)->VerticalResolution = Private->ModeData[ModeNumber].VerticalResolution;
|
---|
138 | VBoxVgaCompleteModeInfo (*Info);
|
---|
139 |
|
---|
140 | return EFI_SUCCESS;
|
---|
141 | }
|
---|
142 |
|
---|
143 | EFI_STATUS
|
---|
144 | EFIAPI
|
---|
145 | VBoxVgaGraphicsOutputSetMode (
|
---|
146 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
|
---|
147 | IN UINT32 ModeNumber
|
---|
148 | )
|
---|
149 | /*++
|
---|
150 |
|
---|
151 | Routine Description:
|
---|
152 |
|
---|
153 | Graphics Output protocol interface to set video mode
|
---|
154 |
|
---|
155 | Arguments:
|
---|
156 | This - Protocol instance pointer.
|
---|
157 | ModeNumber - The mode number to be set.
|
---|
158 |
|
---|
159 | Returns:
|
---|
160 | EFI_SUCCESS - Graphics mode was changed.
|
---|
161 | EFI_DEVICE_ERROR - The device had an error and could not complete the request.
|
---|
162 | EFI_UNSUPPORTED - ModeNumber is not supported by this device.
|
---|
163 |
|
---|
164 | --*/
|
---|
165 | {
|
---|
166 | VBOX_VGA_PRIVATE_DATA *Private;
|
---|
167 | VBOX_VGA_MODE_DATA *ModeData;
|
---|
168 |
|
---|
169 | Private = VBOX_VGA_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
|
---|
170 |
|
---|
171 | DEBUG((DEBUG_INFO, "%a:%d mode:%d\n", __FILE__, __LINE__, ModeNumber));
|
---|
172 | if (ModeNumber >= This->Mode->MaxMode) {
|
---|
173 | return EFI_UNSUPPORTED;
|
---|
174 | }
|
---|
175 |
|
---|
176 | ModeData = &Private->ModeData[ModeNumber];
|
---|
177 |
|
---|
178 | if (Private->LineBuffer) {
|
---|
179 | gBS->FreePool (Private->LineBuffer);
|
---|
180 | }
|
---|
181 |
|
---|
182 | Private->LineBuffer = NULL;
|
---|
183 | Private->LineBuffer = AllocatePool (ModeData->HorizontalResolution * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
|
---|
184 | if (Private->LineBuffer == NULL) {
|
---|
185 | return EFI_OUT_OF_RESOURCES;
|
---|
186 | }
|
---|
187 |
|
---|
188 | InitializeGraphicsMode (Private, &VBoxVgaVideoModes[ModeData->ModeNumber]);
|
---|
189 | if (Private->TmpBuf)
|
---|
190 | FreePool(Private->TmpBuf);
|
---|
191 | Private->TmpBuf = AllocatePool(ModeData->HorizontalResolution * ModeData->VerticalResolution * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
|
---|
192 | ASSERT(( Private->TmpBuf));
|
---|
193 |
|
---|
194 | This->Mode->Mode = ModeNumber;
|
---|
195 | This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;
|
---|
196 | This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;
|
---|
197 | This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
|
---|
198 |
|
---|
199 | VBoxVgaCompleteModeData (Private, This->Mode);
|
---|
200 |
|
---|
201 | Private->HardwareNeedsStarting = FALSE;
|
---|
202 | /* update current mode */
|
---|
203 | Private->CurrentMode = ModeNumber;
|
---|
204 |
|
---|
205 | return EFI_SUCCESS;
|
---|
206 | }
|
---|
207 |
|
---|
208 | EFI_STATUS
|
---|
209 | EFIAPI
|
---|
210 | VBoxVgaGraphicsOutputBlt (
|
---|
211 | IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
|
---|
212 | IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
|
---|
213 | IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
|
---|
214 | IN UINTN SourceX,
|
---|
215 | IN UINTN SourceY,
|
---|
216 | IN UINTN DestinationX,
|
---|
217 | IN UINTN DestinationY,
|
---|
218 | IN UINTN Width,
|
---|
219 | IN UINTN Height,
|
---|
220 | IN UINTN Delta
|
---|
221 | )
|
---|
222 | /*++
|
---|
223 |
|
---|
224 | Routine Description:
|
---|
225 |
|
---|
226 | Graphics Output protocol instance to block transfer for CirrusLogic device
|
---|
227 |
|
---|
228 | Arguments:
|
---|
229 |
|
---|
230 | This - Pointer to Graphics Output protocol instance
|
---|
231 | BltBuffer - The data to transfer to screen
|
---|
232 | BltOperation - The operation to perform
|
---|
233 | SourceX - The X coordinate of the source for BltOperation
|
---|
234 | SourceY - The Y coordinate of the source for BltOperation
|
---|
235 | DestinationX - The X coordinate of the destination for BltOperation
|
---|
236 | DestinationY - The Y coordinate of the destination for BltOperation
|
---|
237 | Width - The width of a rectangle in the blt rectangle in pixels
|
---|
238 | Height - The height of a rectangle in the blt rectangle in pixels
|
---|
239 | Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
|
---|
240 | If a Delta of 0 is used, the entire BltBuffer will be operated on.
|
---|
241 | If a subrectangle of the BltBuffer is used, then Delta represents
|
---|
242 | the number of bytes in a row of the BltBuffer.
|
---|
243 |
|
---|
244 | Returns:
|
---|
245 |
|
---|
246 | EFI_INVALID_PARAMETER - Invalid parameter passed in
|
---|
247 | EFI_SUCCESS - Blt operation success
|
---|
248 |
|
---|
249 | --*/
|
---|
250 | {
|
---|
251 | VBOX_VGA_PRIVATE_DATA *Private;
|
---|
252 | EFI_TPL OriginalTPL;
|
---|
253 | UINTN DstY;
|
---|
254 | UINTN SrcY;
|
---|
255 | EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Blt;
|
---|
256 | UINTN X;
|
---|
257 | UINTN ScreenWidth;
|
---|
258 | UINTN Offset;
|
---|
259 | UINTN SourceOffset;
|
---|
260 | UINT32 CurrentMode;
|
---|
261 | EFI_STATUS Status;
|
---|
262 | UINTN ScreenHeight;
|
---|
263 |
|
---|
264 | Private = VBOX_VGA_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS (This);
|
---|
265 |
|
---|
266 | DEBUG((DEBUG_INFO, "%a:%d op:%d src(%d: %d) dst(%d: %d) w:%d h:%d d:%d\n", __FILE__, __LINE__,
|
---|
267 | SourceX, SourceY, DestinationX, DestinationY, Width, Height, Delta));
|
---|
268 | if ((BltOperation < 0) || (BltOperation >= EfiGraphicsOutputBltOperationMax)) {
|
---|
269 | return EFI_INVALID_PARAMETER;
|
---|
270 | }
|
---|
271 | if (Width == 0 || Height == 0) {
|
---|
272 | return EFI_INVALID_PARAMETER;
|
---|
273 | }
|
---|
274 |
|
---|
275 | //
|
---|
276 | // If Delta is zero, then the entire BltBuffer is being used, so Delta
|
---|
277 | // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
|
---|
278 | // the number of bytes in each row can be computed.
|
---|
279 | //
|
---|
280 | /* vvl: Delta passed in bytes to use it for coordinate arithmetic
|
---|
281 | we need convert it to pixels value.
|
---|
282 | */
|
---|
283 | if (Delta == 0) {
|
---|
284 | Delta = Width * 4;
|
---|
285 | }
|
---|
286 | Delta /= 4;
|
---|
287 |
|
---|
288 | //
|
---|
289 | // We need to fill the Virtual Screen buffer with the blt data.
|
---|
290 | // The virtual screen is upside down, as the first row is the bootom row of
|
---|
291 | // the image.
|
---|
292 | //
|
---|
293 |
|
---|
294 | CurrentMode = This->Mode->Mode;
|
---|
295 | //
|
---|
296 | // Make sure the SourceX, SourceY, DestinationX, DestinationY, Width, and Height parameters
|
---|
297 | // are valid for the operation and the current screen geometry.
|
---|
298 | //
|
---|
299 | if (BltOperation == EfiBltVideoToBltBuffer) {
|
---|
300 | //
|
---|
301 | // Video to BltBuffer: Source is Video, destination is BltBuffer
|
---|
302 | //
|
---|
303 | if (SourceY + Height > Private->ModeData[CurrentMode].VerticalResolution) {
|
---|
304 | return EFI_INVALID_PARAMETER;
|
---|
305 | }
|
---|
306 |
|
---|
307 | if (SourceX + Width > Private->ModeData[CurrentMode].HorizontalResolution) {
|
---|
308 | return EFI_INVALID_PARAMETER;
|
---|
309 | }
|
---|
310 | } else {
|
---|
311 | //
|
---|
312 | // BltBuffer to Video: Source is BltBuffer, destination is Video
|
---|
313 | //
|
---|
314 | if (DestinationY + Height > Private->ModeData[CurrentMode].VerticalResolution) {
|
---|
315 | return EFI_INVALID_PARAMETER;
|
---|
316 | }
|
---|
317 |
|
---|
318 | if (DestinationX + Width > Private->ModeData[CurrentMode].HorizontalResolution) {
|
---|
319 | return EFI_INVALID_PARAMETER;
|
---|
320 | }
|
---|
321 | }
|
---|
322 | //
|
---|
323 | // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
|
---|
324 | // We would not want a timer based event (Cursor, ...) to come in while we are
|
---|
325 | // doing this operation.
|
---|
326 | //
|
---|
327 | OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
|
---|
328 |
|
---|
329 | switch (BltOperation) {
|
---|
330 | case EfiBltVideoToBltBuffer:
|
---|
331 | //
|
---|
332 | // Video to BltBuffer: Source is Video, destination is BltBuffer
|
---|
333 | //
|
---|
334 | for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY) && BltBuffer; SrcY++, DstY++) {
|
---|
335 |
|
---|
336 | Offset = (SrcY * Private->ModeData[CurrentMode].HorizontalResolution) + SourceX;
|
---|
337 | Status = Private->PciIo->Mem.Read (
|
---|
338 | Private->PciIo,
|
---|
339 | EfiPciIoWidthUint32,
|
---|
340 | 0,
|
---|
341 | Offset * 4,
|
---|
342 | Width,
|
---|
343 | Private->LineBuffer
|
---|
344 | );
|
---|
345 | ASSERT_EFI_ERROR((Status));
|
---|
346 |
|
---|
347 | for (X = 0; X < Width; X++) {
|
---|
348 | Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltBuffer + (DstY * Delta) + (DestinationX + X);
|
---|
349 | *(UINT32 *)Blt = Private->LineBuffer[X];
|
---|
350 | }
|
---|
351 | }
|
---|
352 | break;
|
---|
353 |
|
---|
354 | case EfiBltVideoToVideo:
|
---|
355 | //
|
---|
356 | // Perform hardware acceleration for Video to Video operations
|
---|
357 | //
|
---|
358 | ScreenWidth = Private->ModeData[CurrentMode].HorizontalResolution;
|
---|
359 | ScreenHeight = Private->ModeData[CurrentMode].VerticalResolution;
|
---|
360 | SourceOffset = (SourceY * Private->ModeData[CurrentMode].HorizontalResolution) + (SourceX);
|
---|
361 | Offset = (DestinationY * Private->ModeData[CurrentMode].HorizontalResolution) + (DestinationX);
|
---|
362 | VBoxVgaGraphicsOutputBlt(This, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL*)Private->TmpBuf, EfiBltVideoToBltBuffer, SourceX, SourceY, 0, 0, ScreenWidth - SourceX, ScreenHeight - SourceY, 0);
|
---|
363 | VBoxVgaGraphicsOutputBlt(This, (EFI_GRAPHICS_OUTPUT_BLT_PIXEL*)Private->TmpBuf, EfiBltBufferToVideo, 0, 0, DestinationX, DestinationY, ScreenWidth - SourceX, ScreenHeight - SourceY, 0);
|
---|
364 | break;
|
---|
365 |
|
---|
366 | case EfiBltVideoFill:
|
---|
367 | Blt = BltBuffer;
|
---|
368 |
|
---|
369 | if (DestinationX == 0 && Width == Private->ModeData[CurrentMode].HorizontalResolution) {
|
---|
370 | Offset = DestinationY * Private->ModeData[CurrentMode].HorizontalResolution;
|
---|
371 | Status = Private->PciIo->Mem.Write (
|
---|
372 | Private->PciIo,
|
---|
373 | EfiPciIoWidthFillUint32,
|
---|
374 | 0,
|
---|
375 | Offset * 4,
|
---|
376 | (Width * Height),
|
---|
377 | Blt
|
---|
378 | );
|
---|
379 | ASSERT_EFI_ERROR((Status));
|
---|
380 | } else {
|
---|
381 | for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
|
---|
382 | Offset = (DstY * Private->ModeData[CurrentMode].HorizontalResolution) + DestinationX;
|
---|
383 | Status = Private->PciIo->Mem.Write (
|
---|
384 | Private->PciIo,
|
---|
385 | EfiPciIoWidthFillUint32,
|
---|
386 | 0,
|
---|
387 | Offset * 4,
|
---|
388 | Width,
|
---|
389 | Blt
|
---|
390 | );
|
---|
391 | ASSERT_EFI_ERROR((Status));
|
---|
392 | }
|
---|
393 | }
|
---|
394 | break;
|
---|
395 |
|
---|
396 | case EfiBltBufferToVideo:
|
---|
397 | for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
|
---|
398 |
|
---|
399 | for (X = 0; X < Width; X++) {
|
---|
400 | Blt =
|
---|
401 | (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (
|
---|
402 | (UINT32 *) BltBuffer +
|
---|
403 | (SrcY * Delta) +
|
---|
404 | ((SourceX + X) )
|
---|
405 | );
|
---|
406 | Private->LineBuffer[X] = *(UINT32 *)Blt;
|
---|
407 | }
|
---|
408 |
|
---|
409 | Offset = (DstY * Private->ModeData[CurrentMode].HorizontalResolution) + DestinationX;
|
---|
410 |
|
---|
411 | Status = Private->PciIo->Mem.Write (
|
---|
412 | Private->PciIo,
|
---|
413 | EfiPciIoWidthUint32,
|
---|
414 | 0,
|
---|
415 | Offset * 4,
|
---|
416 | Width,
|
---|
417 | Private->LineBuffer
|
---|
418 | );
|
---|
419 | ASSERT_EFI_ERROR((Status));
|
---|
420 | }
|
---|
421 | break;
|
---|
422 | default:
|
---|
423 | ASSERT (FALSE);
|
---|
424 | }
|
---|
425 |
|
---|
426 | gBS->RestoreTPL (OriginalTPL);
|
---|
427 |
|
---|
428 | return EFI_SUCCESS;
|
---|
429 | }
|
---|
430 |
|
---|
431 | EFI_STATUS
|
---|
432 | VBoxVgaGraphicsOutputConstructor (
|
---|
433 | VBOX_VGA_PRIVATE_DATA *Private
|
---|
434 | )
|
---|
435 | {
|
---|
436 | EFI_STATUS Status;
|
---|
437 | EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
|
---|
438 |
|
---|
439 |
|
---|
440 | GraphicsOutput = &Private->GraphicsOutput;
|
---|
441 | GraphicsOutput->QueryMode = VBoxVgaGraphicsOutputQueryMode;
|
---|
442 | GraphicsOutput->SetMode = VBoxVgaGraphicsOutputSetMode;
|
---|
443 | GraphicsOutput->Blt = VBoxVgaGraphicsOutputBlt;
|
---|
444 |
|
---|
445 | //
|
---|
446 | // Initialize the private data
|
---|
447 | //
|
---|
448 | Status = gBS->AllocatePool (
|
---|
449 | EfiBootServicesData,
|
---|
450 | sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE),
|
---|
451 | (VOID **) &Private->GraphicsOutput.Mode
|
---|
452 | );
|
---|
453 | if (EFI_ERROR (Status)) {
|
---|
454 | return Status;
|
---|
455 | }
|
---|
456 | Status = gBS->AllocatePool (
|
---|
457 | EfiBootServicesData,
|
---|
458 | sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION),
|
---|
459 | (VOID **) &Private->GraphicsOutput.Mode->Info
|
---|
460 | );
|
---|
461 | if (EFI_ERROR (Status)) {
|
---|
462 | return Status;
|
---|
463 | }
|
---|
464 | Private->GraphicsOutput.Mode->MaxMode = (UINT32) Private->MaxMode;
|
---|
465 | Private->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;
|
---|
466 | Private->HardwareNeedsStarting = TRUE;
|
---|
467 | Private->LineBuffer = NULL;
|
---|
468 |
|
---|
469 | //
|
---|
470 | // Initialize the hardware
|
---|
471 | //
|
---|
472 | GraphicsOutput->SetMode (GraphicsOutput, 2);
|
---|
473 | DrawLogo (
|
---|
474 | Private,
|
---|
475 | Private->ModeData[Private->GraphicsOutput.Mode->Mode].HorizontalResolution,
|
---|
476 | Private->ModeData[Private->GraphicsOutput.Mode->Mode].VerticalResolution
|
---|
477 | );
|
---|
478 |
|
---|
479 | return EFI_SUCCESS;
|
---|
480 | }
|
---|
481 |
|
---|
482 | EFI_STATUS
|
---|
483 | VBoxVgaGraphicsOutputDestructor (
|
---|
484 | VBOX_VGA_PRIVATE_DATA *Private
|
---|
485 | )
|
---|
486 | /*++
|
---|
487 |
|
---|
488 | Routine Description:
|
---|
489 |
|
---|
490 | Arguments:
|
---|
491 |
|
---|
492 | Returns:
|
---|
493 |
|
---|
494 | None
|
---|
495 |
|
---|
496 | --*/
|
---|
497 | {
|
---|
498 | if (Private->GraphicsOutput.Mode != NULL) {
|
---|
499 | if (Private->GraphicsOutput.Mode->Info != NULL) {
|
---|
500 | gBS->FreePool (Private->GraphicsOutput.Mode->Info);
|
---|
501 | }
|
---|
502 | gBS->FreePool (Private->GraphicsOutput.Mode);
|
---|
503 | }
|
---|
504 |
|
---|
505 | return EFI_SUCCESS;
|
---|
506 | }
|
---|
507 |
|
---|