VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 41536

Last change on this file since 41536 was 41536, checked in by vboxsync, 13 years ago

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1/* $Id: DevVGA.h 41536 2012-06-01 10:37:47Z vboxsync $ */
2/** @file
3 * DevVGA - VBox VGA/VESA device, internal header.
4 */
5
6/*
7 * Copyright (C) 2006-2007 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 * This code is based on:
19 *
20 * QEMU internal VGA defines.
21 *
22 * Copyright (c) 2003-2004 Fabrice Bellard
23 *
24 * Permission is hereby granted, free of charge, to any person obtaining a copy
25 * of this software and associated documentation files (the "Software"), to deal
26 * in the Software without restriction, including without limitation the rights
27 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
28 * copies of the Software, and to permit persons to whom the Software is
29 * furnished to do so, subject to the following conditions:
30 *
31 * The above copyright notice and this permission notice shall be included in
32 * all copies or substantial portions of the Software.
33 *
34 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
35 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
36 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
37 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
38 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
39 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
40 * THE SOFTWARE.
41 */
42
43/** Use VBE bytewise I/O. Only needed for Windows Longhorn/Vista betas and backwards compatibility. */
44#define VBE_BYTEWISE_IO
45
46/** Use VBE new dynamic mode list.
47 * If this is not defined, no checks are carried out to see if the modes all
48 * fit into the framebuffer! See the VRAM_SIZE_FIX define. */
49#define VBE_NEW_DYN_LIST
50
51#ifdef VBOX
52/** The default amount of VRAM. */
53# define VGA_VRAM_DEFAULT (_4M)
54/** The maximum amount of VRAM. Limited by VBOX_MAX_ALLOC_PAGE_COUNT. */
55# define VGA_VRAM_MAX (256 * _1M)
56/** The minimum amount of VRAM. */
57# define VGA_VRAM_MIN (_1M)
58#endif
59
60#include <VBox/Hardware/VBoxVideoVBE.h>
61
62#ifdef VBOX_WITH_HGSMI
63# include "HGSMI/HGSMIHost.h"
64#endif /* VBOX_WITH_HGSMI */
65#include "DevVGASavedState.h"
66
67#define MSR_COLOR_EMULATION 0x01
68#define MSR_PAGE_SELECT 0x20
69
70#define ST01_V_RETRACE 0x08
71#define ST01_DISP_ENABLE 0x01
72
73/* bochs VBE support */
74#define CONFIG_BOCHS_VBE
75
76#ifdef CONFIG_BOCHS_VBE
77
78/* Cross reference with <VBox/Hardware/VBoxVideoVBE.h> */
79#define VBE_DISPI_INDEX_NB_SAVED 0xb /* Number of saved registers (vbe_regs array) */
80#define VBE_DISPI_INDEX_NB 0xc /* Total number of VBE registers */
81
82#define VGA_STATE_COMMON_BOCHS_VBE \
83 uint16_t vbe_index; \
84 uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
85 uint16_t alignment[3]; /* pad to 64 bits */ \
86 uint32_t vbe_start_addr; \
87 uint32_t vbe_line_offset; \
88 uint32_t vbe_bank_max;
89
90#else
91
92#define VGA_STATE_COMMON_BOCHS_VBE
93
94#endif /* !CONFIG_BOCHS_VBE */
95
96#define CH_ATTR_SIZE (160 * 100)
97#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
98
99typedef struct vga_retrace_s {
100 unsigned frame_cclks; /* Character clocks per frame. */
101 unsigned frame_ns; /* Frame duration in ns. */
102 unsigned cclk_ns; /* Character clock duration in ns. */
103 unsigned vb_start; /* Vertical blanking start (scanline). */
104 unsigned vb_end; /* Vertical blanking end (scanline). */
105 unsigned vb_end_ns; /* Vertical blanking end time (length) in ns. */
106 unsigned vs_start; /* Vertical sync start (scanline). */
107 unsigned vs_end; /* Vertical sync end (scanline). */
108 unsigned vs_start_ns; /* Vertical sync start time in ns. */
109 unsigned vs_end_ns; /* Vertical sync end time in ns. */
110 unsigned h_total; /* Horizontal total (cclks per scanline). */
111 unsigned h_total_ns; /* Scanline duration in ns. */
112 unsigned hb_start; /* Horizontal blanking start (cclk). */
113 unsigned hb_end; /* Horizontal blanking end (cclk). */
114 unsigned hb_end_ns; /* Horizontal blanking end time (length) in ns. */
115 unsigned v_freq_hz; /* Vertical refresh rate to emulate. */
116} vga_retrace_s;
117
118#ifndef VBOX
119#define VGA_STATE_COMMON \
120 uint8_t *vram_ptr; \
121 unsigned long vram_offset; \
122 unsigned int vram_size; \
123 uint32_t latch; \
124 uint8_t sr_index; \
125 uint8_t sr[256]; \
126 uint8_t gr_index; \
127 uint8_t gr[256]; \
128 uint8_t ar_index; \
129 uint8_t ar[21]; \
130 int ar_flip_flop; \
131 uint8_t cr_index; \
132 uint8_t cr[256]; /* CRT registers */ \
133 uint8_t msr; /* Misc Output Register */ \
134 uint8_t fcr; /* Feature Control Register */ \
135 uint8_t st00; /* status 0 */ \
136 uint8_t st01; /* status 1 */ \
137 uint8_t dac_state; \
138 uint8_t dac_sub_index; \
139 uint8_t dac_read_index; \
140 uint8_t dac_write_index; \
141 uint8_t dac_cache[3]; /* used when writing */ \
142 uint8_t palette[768]; \
143 int32_t bank_offset; \
144 int (*get_bpp)(struct VGAState *s); \
145 void (*get_offsets)(struct VGAState *s, \
146 uint32_t *pline_offset, \
147 uint32_t *pstart_addr, \
148 uint32_t *pline_compare); \
149 void (*get_resolution)(struct VGAState *s, \
150 int *pwidth, \
151 int *pheight); \
152 VGA_STATE_COMMON_BOCHS_VBE \
153 /* display refresh support */ \
154 DisplayState *ds; \
155 uint32_t font_offsets[2]; \
156 int graphic_mode; \
157 uint8_t shift_control; \
158 uint8_t double_scan; \
159 uint32_t line_offset; \
160 uint32_t line_compare; \
161 uint32_t start_addr; \
162 uint32_t plane_updated; \
163 uint8_t last_cw, last_ch; \
164 uint32_t last_width, last_height; /* in chars or pixels */ \
165 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
166 uint8_t cursor_start, cursor_end; \
167 uint32_t cursor_offset; \
168 unsigned int (*rgb_to_pixel)(unsigned int r, \
169 unsigned int g, unsigned b); \
170 /* hardware mouse cursor support */ \
171 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
172 void (*cursor_invalidate)(struct VGAState *s); \
173 void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \
174 /* tell for each page if it has been updated since the last time */ \
175 uint32_t last_palette[256]; \
176 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
177
178#else /* VBOX */
179
180struct VGAState;
181typedef int FNGETBPP(struct VGAState *s);
182typedef void FNGETOFFSETS(struct VGAState *s, uint32_t *pline_offset, uint32_t *pstart_addr, uint32_t *pline_compare);
183typedef void FNGETRESOLUTION(struct VGAState *s, int *pwidth, int *pheight);
184typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
185typedef void FNCURSORINVALIDATE(struct VGAState *s);
186typedef void FNCURSORDRAWLINE(struct VGAState *s, uint8_t *d, int y);
187
188/* bird: vram_offset have been remove, function pointers declared external,
189 some type changes, and some padding have been added. */
190#define VGA_STATE_COMMON \
191 R3PTRTYPE(uint8_t *) vram_ptrR3; \
192 uint32_t vram_size; \
193 uint32_t latch; \
194 uint8_t sr_index; \
195 uint8_t sr[256]; \
196 uint8_t gr_index; \
197 uint8_t gr[256]; \
198 uint8_t ar_index; \
199 uint8_t ar[21]; \
200 int32_t ar_flip_flop; \
201 uint8_t cr_index; \
202 uint8_t cr[256]; /* CRT registers */ \
203 uint8_t msr; /* Misc Output Register */ \
204 uint8_t fcr; /* Feature Control Register */ \
205 uint8_t st00; /* status 0 */ \
206 uint8_t st01; /* status 1 */ \
207 uint8_t dac_state; \
208 uint8_t dac_sub_index; \
209 uint8_t dac_read_index; \
210 uint8_t dac_write_index; \
211 uint8_t dac_cache[3]; /* used when writing */ \
212 uint8_t palette[768]; \
213 int32_t bank_offset; \
214 int32_t padding0; \
215 R3PTRTYPE(FNGETBPP *) get_bpp; \
216 R3PTRTYPE(FNGETOFFSETS *) get_offsets; \
217 R3PTRTYPE(FNGETRESOLUTION *) get_resolution; \
218 VGA_STATE_COMMON_BOCHS_VBE \
219 /* display refresh support */ \
220 uint32_t font_offsets[2]; \
221 int32_t graphic_mode; \
222 uint8_t shift_control; \
223 uint8_t double_scan; \
224 uint8_t padding1[2]; \
225 uint32_t line_offset; \
226 uint32_t line_compare; \
227 uint32_t start_addr; \
228 uint32_t plane_updated; \
229 uint8_t last_cw, last_ch, padding2[2]; \
230 uint32_t last_width, last_height; /* in chars or pixels */ \
231 uint32_t last_scr_width, last_scr_height; /* in pixels */ \
232 uint32_t last_bpp; \
233 uint8_t cursor_start, cursor_end, padding3[2]; \
234 uint32_t cursor_offset; \
235 uint32_t padding4; \
236 R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel; \
237 /* hardware mouse cursor support */ \
238 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
239 R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate; \
240 R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line; \
241 /* tell for each page if it has been updated since the last time */ \
242 uint32_t last_palette[256]; \
243 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
244
245#endif /* VBOX */
246
247#ifdef VBOX_WITH_VDMA
248typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
249#endif
250
251typedef struct VGAState {
252 VGA_STATE_COMMON
253#ifdef VBOX
254 /** end-of-common-state-marker */
255 uint32_t u32Marker;
256#if HC_ARCH_BITS == 64
257 uint32_t Padding0;
258#endif
259 /** The physical address the VRAM was assigned. */
260 RTGCPHYS GCPhysVRAM;
261 /** The R0 vram pointer... */
262 R0PTRTYPE(uint8_t *) vram_ptrR0;
263 /** Pointer to the GC vram mapping. */
264 RCPTRTYPE(uint8_t *) vram_ptrRC;
265 /** LFB was updated flag. */
266 bool fLFBUpdated;
267 /** Indicates if the GC extensions are enabled or not. */
268 bool fGCEnabled;
269 /** Indicates if the R0 extensions are enabled or not. */
270 bool fR0Enabled;
271 /** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
272 bool fHasDirtyBits;
273 /** Flag indicating that the VGA memory in the 0xa0000-0xbffff region has been remapped to allow direct access. */
274 bool fRemappedVGA;
275 /** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
276 bool fRenderVRAM;
277 bool Padding1[2];
278
279#if HC_ARCH_BITS == 64
280 uint32_t Padding2;
281#endif
282
283#ifdef VBOX_WITH_HGSMI
284 R3PTRTYPE(PHGSMIINSTANCE) pHGSMI;
285#endif /* VBOX_WITH_HGSMI */
286#ifdef VBOX_WITH_VDMA
287 R3PTRTYPE(PVBOXVDMAHOST) pVdma;
288#endif
289
290#if HC_ARCH_BITS == 32
291# if defined(VBOX_WITH_HGSMI) != defined(VBOX_WITH_VDMA)
292 uint32_t Padding3;
293# endif
294#endif
295
296
297 uint32_t cMonitors;
298 /** Current refresh timer interval. */
299 uint32_t cMilliesRefreshInterval;
300 /** Refresh timer handle - HC. */
301 PTMTIMERR3 RefreshTimer;
302
303 /** Bitmap tracking dirty pages. */
304 uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
305 /** Pointer to vgaGCLFBAccessHandler(). */
306 RTRCPTR RCPtrLFBHandler;
307 /** Pointer to the device instance - RC Ptr. */
308 PPDMDEVINSRC pDevInsRC;
309 /** Pointer to the device instance - R3 Ptr. */
310 PPDMDEVINSR3 pDevInsR3;
311 /** Pointer to the device instance - R0 Ptr. */
312 PPDMDEVINSR0 pDevInsR0;
313
314 /** The critical section. */
315 PDMCRITSECT lock;
316
317 /** LUN\#0: The display port base interface. */
318 PDMIBASE IBase;
319 /** LUN\#0: The display port interface. */
320 PDMIDISPLAYPORT IPort;
321#if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_CRHGSMI))
322 /** LUN\#0: VBVA callbacks interface */
323 PDMIDISPLAYVBVACALLBACKS IVBVACallbacks;
324#else
325# if HC_ARCH_BITS == 32
326 uint32_t Padding4;
327# endif
328#endif
329 /** Pointer to base interface of the driver. */
330 R3PTRTYPE(PPDMIBASE) pDrvBase;
331 /** Pointer to display connector interface of the driver. */
332 R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
333
334 /** The PCI device. */
335 PCIDEVICE Dev;
336
337 STAMPROFILE StatRZMemoryRead;
338 STAMPROFILE StatR3MemoryRead;
339 STAMPROFILE StatRZMemoryWrite;
340 STAMPROFILE StatR3MemoryWrite;
341 STAMCOUNTER StatMapPage; /**< Counts IOMMMIOMapMMIO2Page calls. */
342 STAMCOUNTER StatUpdateDisp; /**< Counts vgaPortUpdateDisplay calls. */
343
344 /* Keep track of ring 0 latched accesses to the VGA MMIO memory. */
345 uint64_t u64LastLatchedAccess;
346 uint32_t cLatchAccesses;
347 uint16_t uMaskLatchAccess;
348 uint16_t iMask;
349
350#ifdef VBE_BYTEWISE_IO
351 /** VBE read/write data/index flags */
352 uint8_t fReadVBEData;
353 uint8_t fWriteVBEData;
354 uint8_t fReadVBEIndex;
355 uint8_t fWriteVBEIndex;
356 /** VBE write data/index one byte buffer */
357 uint8_t cbWriteVBEData;
358 uint8_t cbWriteVBEIndex;
359# ifdef VBE_NEW_DYN_LIST
360 /** VBE Extra Data write address one byte buffer */
361 uint8_t cbWriteVBEExtraAddress;
362 uint8_t Padding5;
363# else
364 uint8_t Padding5[2];
365# endif
366#endif
367
368 /** Retrace emulation state */
369 bool fRealRetrace;
370 bool Padding6[HC_ARCH_BITS == 64 ? 7 : 3];
371 vga_retrace_s retrace_state;
372
373#ifdef VBE_NEW_DYN_LIST
374 /** The VBE BIOS extra data. */
375 R3PTRTYPE(uint8_t *) pu8VBEExtraData;
376 /** The size of the VBE BIOS extra data. */
377 uint16_t cbVBEExtraData;
378 /** The VBE BIOS current memory address. */
379 uint16_t u16VBEExtraAddress;
380 uint16_t Padding7[2];
381#endif
382 /** Current logo data offset. */
383 uint32_t offLogoData;
384 /** The size of the BIOS logo data. */
385 uint32_t cbLogo;
386 /** The BIOS logo data. */
387 R3PTRTYPE(uint8_t *) pu8Logo;
388 /** The name of the logo file. */
389 R3PTRTYPE(char *) pszLogoFile;
390 /** Bitmap image data. */
391 R3PTRTYPE(uint8_t *) pu8LogoBitmap;
392 /** Current logo command. */
393 uint16_t LogoCommand;
394 /** Bitmap width. */
395 uint16_t cxLogo;
396 /** Bitmap height. */
397 uint16_t cyLogo;
398 /** Bitmap planes. */
399 uint16_t cLogoPlanes;
400 /** Bitmap depth. */
401 uint16_t cLogoBits;
402 /** Bitmap compression. */
403 uint16_t LogoCompression;
404 /** Bitmap colors used. */
405 uint16_t cLogoUsedColors;
406 /** Palette size. */
407 uint16_t cLogoPalEntries;
408 /** Clear screen flag. */
409 uint8_t fLogoClearScreen;
410 uint8_t Padding8[7];
411 /** Palette data. */
412 uint32_t au32LogoPalette[256];
413 /** The VGA BIOS ROM data. */
414 R3PTRTYPE(uint8_t *) pu8VgaBios;
415 /** The size of the VGA BIOS ROM. */
416 uint64_t cbVgaBios;
417 /** The name of the VGA BIOS ROM file. */
418 R3PTRTYPE(char *) pszVgaBiosFile;
419#endif /* VBOX */
420#ifdef VBOX_WITH_HGSMI
421 /** Base port in the assigned PCI I/O space. */
422 RTIOPORT IOPortBase;
423#ifdef VBOX_WITH_WDDM
424 uint8_t Padding9[2];
425 /* specifies guest driver caps, i.e. whether it can handle IRQs from the adapter,
426 * the way it can handle async HGSMI command completion, etc. */
427 uint32_t fGuestCaps;
428#else
429 uint8_t Padding10[6];
430#endif
431#endif /* VBOX_WITH_HGSMI */
432} VGAState;
433#ifdef VBOX
434/** VGA state. */
435typedef VGAState VGASTATE;
436/** Pointer to the VGA state. */
437typedef VGASTATE *PVGASTATE;
438#endif
439
440#ifdef VBE_NEW_DYN_LIST
441/**
442 * VBE Bios Extra Data structure.
443 * @remark duplicated in vbe.h.
444 */
445typedef struct VBEHeader
446{
447 /** Signature (VBEHEADER_MAGIC). */
448 uint16_t u16Signature;
449 /** Data size. */
450 uint16_t cbData;
451} VBEHeader;
452
453/** VBE Extra Data. */
454typedef VBEHeader VBEHEADER;
455/** Pointer to the VBE Extra Data. */
456typedef VBEHEADER *PVBEHEADER;
457
458/** The value of the VBEHEADER::u16Signature field.
459 * @remark duplicated in vbe.h. */
460#define VBEHEADER_MAGIC 0x77CC
461
462/** The extra port which is used to read the mode list.
463 * @remark duplicated in vbe.h. */
464#define VBE_EXTRA_PORT 0x3b6
465
466/** The extra port which is used for debug printf.
467 * @remark duplicated in vbe.h. */
468#define VBE_PRINTF_PORT 0x3b7
469
470#endif /* VBE_NEW_DYN_LIST */
471
472#if !defined(VBOX) || defined(IN_RING3)
473static inline int c6_to_8(int v)
474{
475 int b;
476 v &= 0x3f;
477 b = v & 1;
478 return (v << 2) | (b << 1) | b;
479}
480#endif /* !VBOX || IN_RING3 */
481
482
483#ifdef VBOX_WITH_HGSMI
484int VBVAInit (PVGASTATE pVGAState);
485void VBVADestroy (PVGASTATE pVGAState);
486int VBVAUpdateDisplay (PVGASTATE pVGAState);
487void VBVAReset (PVGASTATE pVGAState);
488
489bool VBVAIsEnabled(PVGASTATE pVGAState);
490
491/* @return host-guest flags that were set on reset
492 * this allows the caller to make further cleaning when needed,
493 * e.g. reset the IRQ */
494uint32_t HGSMIReset (PHGSMIINSTANCE pIns);
495
496# ifdef VBOX_WITH_VIDEOHWACCEL
497int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd);
498int vbvaVHWAConstruct (PVGASTATE pVGAState);
499int vbvaVHWAReset (PVGASTATE pVGAState);
500
501int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
502int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
503# endif
504
505#ifdef VBOX_WITH_HGSMI
506#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
507#endif
508
509# ifdef VBOX_WITH_CRHGSMI
510int vboxVDMACrHgsmiCommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd, int rc);
511int vboxVDMACrHgsmiControlCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd, int rc);
512# endif
513
514int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
515int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version);
516int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
517
518# ifdef VBOX_WITH_VDMA
519typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
520int vboxVDMAConstruct(PVGASTATE pVGAState, uint32_t cPipeElements);
521int vboxVDMADestruct(PVBOXVDMAHOST pVdma);
522void vboxVDMAControl(PVBOXVDMAHOST pVdma, PVBOXVDMA_CTL pCmd, uint32_t cbCmd);
523void vboxVDMACommand(PVBOXVDMAHOST pVdma, PVBOXVDMACBUF_DR pCmd, uint32_t cbCmd);
524int vboxVDMASaveStateExecPrep(struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM);
525int vboxVDMASaveStateExecDone(struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM);
526# endif /* VBOX_WITH_VDMA */
527
528#endif /* VBOX_WITH_HGSMI */
529
530#ifndef VBOX
531void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
532 unsigned long vga_ram_offset, int vga_ram_size);
533uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
534void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
535void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
536
537void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
538 int poffset, int w,
539 unsigned int color0, unsigned int color1,
540 unsigned int color_xor);
541void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
542 int poffset, int w,
543 unsigned int color0, unsigned int color1,
544 unsigned int color_xor);
545void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
546 int poffset, int w,
547 unsigned int color0, unsigned int color1,
548 unsigned int color_xor);
549
550extern const uint8_t sr_mask[8];
551extern const uint8_t gr_mask[16];
552#endif /* !VBOX */
553
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