VirtualBox

source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 41541

Last change on this file since 41541 was 41541, checked in by vboxsync, 13 years ago

DevVGA.h: We've only got one VGA device, so don't bother with VGA_STATE_COMMON.
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File size: 22.2 KB
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1/* $Id: DevVGA.h 41541 2012-06-01 12:52:16Z 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
180/* bird: Since we've changed types, reordered members, done alignment
181 paddings and more, VGA_STATE_COMMON was added directly to the
182 struct to make it more readable and easier to handle. */
183
184struct VGAState;
185typedef int FNGETBPP(struct VGAState *s);
186typedef void FNGETOFFSETS(struct VGAState *s, uint32_t *pline_offset, uint32_t *pstart_addr, uint32_t *pline_compare);
187typedef void FNGETRESOLUTION(struct VGAState *s, int *pwidth, int *pheight);
188typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
189typedef void FNCURSORINVALIDATE(struct VGAState *s);
190typedef void FNCURSORDRAWLINE(struct VGAState *s, uint8_t *d, int y);
191
192#endif /* VBOX */
193
194#ifdef VBOX_WITH_VDMA
195typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
196#endif
197
198typedef struct VGAState {
199#ifndef VBOX
200 VGA_STATE_COMMON
201#else /* VBOX */
202 R3PTRTYPE(uint8_t *) vram_ptrR3;
203 R3PTRTYPE(FNGETBPP *) get_bpp;
204 R3PTRTYPE(FNGETOFFSETS *) get_offsets;
205 R3PTRTYPE(FNGETRESOLUTION *) get_resolution;
206 R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel;
207 R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate;
208 R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line;
209 RTR3PTR R3PtrCmnAlignment;
210 uint32_t vram_size;
211 uint32_t latch;
212 uint8_t sr_index;
213 uint8_t sr[256];
214 uint8_t gr_index;
215 uint8_t gr[256];
216 uint8_t ar_index;
217 uint8_t ar[21];
218 int32_t ar_flip_flop;
219 uint8_t cr_index;
220 uint8_t cr[256]; /* CRT registers */
221 uint8_t msr; /* Misc Output Register */
222 uint8_t fcr; /* Feature Control Register */
223 uint8_t st00; /* status 0 */
224 uint8_t st01; /* status 1 */
225 uint8_t dac_state;
226 uint8_t dac_sub_index;
227 uint8_t dac_read_index;
228 uint8_t dac_write_index;
229 uint8_t dac_cache[3]; /* used when writing */
230 uint8_t palette[768];
231 int32_t bank_offset;
232 VGA_STATE_COMMON_BOCHS_VBE
233 /* display refresh support */
234 uint32_t font_offsets[2];
235 int32_t graphic_mode;
236 uint8_t shift_control;
237 uint8_t double_scan;
238 uint8_t padding1[2];
239 uint32_t line_offset;
240 uint32_t line_compare;
241 uint32_t start_addr;
242 uint32_t plane_updated;
243 uint8_t last_cw, last_ch, padding2[2];
244 uint32_t last_width, last_height; /* in chars or pixels */
245 uint32_t last_scr_width, last_scr_height; /* in pixels */
246 uint32_t last_bpp;
247 uint8_t cursor_start, cursor_end, padding3[2];
248 uint32_t cursor_offset;
249 /* hardware mouse cursor support */
250 uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
251 /* tell for each page if it has been updated since the last time */
252 uint32_t last_palette[256];
253 uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
254
255 /** end-of-common-state-marker */
256 uint32_t u32Marker;
257
258 /** Pointer to the device instance - RC Ptr. */
259 PPDMDEVINSRC pDevInsRC;
260 /** Pointer to the GC vram mapping. */
261 RCPTRTYPE(uint8_t *) vram_ptrRC;
262 /** Pointer to vgaGCLFBAccessHandler(). */
263 RTRCPTR RCPtrLFBHandler;
264
265 /** Pointer to the device instance - R3 Ptr. */
266 PPDMDEVINSR3 pDevInsR3;
267# ifdef VBOX_WITH_HGSMI
268 R3PTRTYPE(PHGSMIINSTANCE) pHGSMI;
269# endif
270# ifdef VBOX_WITH_VDMA
271 R3PTRTYPE(PVBOXVDMAHOST) pVdma;
272# endif
273 /** LUN\#0: The display port base interface. */
274 PDMIBASE IBase;
275 /** LUN\#0: The display port interface. */
276 PDMIDISPLAYPORT IPort;
277# if defined(VBOX_WITH_HGSMI) && (defined(VBOX_WITH_VIDEOHWACCEL) || defined(VBOX_WITH_CRHGSMI))
278 /** LUN\#0: VBVA callbacks interface */
279 PDMIDISPLAYVBVACALLBACKS IVBVACallbacks;
280# endif
281 /** Pointer to base interface of the driver. */
282 R3PTRTYPE(PPDMIBASE) pDrvBase;
283 /** Pointer to display connector interface of the driver. */
284 R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
285
286 /** Refresh timer handle - HC. */
287 PTMTIMERR3 RefreshTimer;
288
289 /** Pointer to the device instance - R0 Ptr. */
290 PPDMDEVINSR0 pDevInsR0;
291 /** The R0 vram pointer... */
292 R0PTRTYPE(uint8_t *) vram_ptrR0;
293
294 /** The number of monitors. */
295 uint32_t cMonitors;
296 /** Current refresh timer interval. */
297 uint32_t cMilliesRefreshInterval;
298 /** Bitmap tracking dirty pages. */
299 uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
300
301 /** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
302 bool fHasDirtyBits;
303 /** LFB was updated flag. */
304 bool fLFBUpdated;
305 /** Indicates if the GC extensions are enabled or not. */
306 bool fGCEnabled;
307 /** Indicates if the R0 extensions are enabled or not. */
308 bool fR0Enabled;
309 /** Flag indicating that the VGA memory in the 0xa0000-0xbffff region has been remapped to allow direct access. */
310 bool fRemappedVGA;
311 /** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
312 bool fRenderVRAM;
313 bool Padding1[2];
314
315 /** The physical address the VRAM was assigned. */
316 RTGCPHYS GCPhysVRAM;
317 /** The critical section. */
318 PDMCRITSECT lock;
319 /** The PCI device. */
320 PCIDEVICE Dev;
321
322 STAMPROFILE StatRZMemoryRead;
323 STAMPROFILE StatR3MemoryRead;
324 STAMPROFILE StatRZMemoryWrite;
325 STAMPROFILE StatR3MemoryWrite;
326 STAMCOUNTER StatMapPage; /**< Counts IOMMMIOMapMMIO2Page calls. */
327 STAMCOUNTER StatUpdateDisp; /**< Counts vgaPortUpdateDisplay calls. */
328
329 /* Keep track of ring 0 latched accesses to the VGA MMIO memory. */
330 uint64_t u64LastLatchedAccess;
331 uint32_t cLatchAccesses;
332 uint16_t uMaskLatchAccess;
333 uint16_t iMask;
334
335# ifdef VBE_BYTEWISE_IO
336 /** VBE read/write data/index flags */
337 uint8_t fReadVBEData;
338 uint8_t fWriteVBEData;
339 uint8_t fReadVBEIndex;
340 uint8_t fWriteVBEIndex;
341 /** VBE write data/index one byte buffer */
342 uint8_t cbWriteVBEData;
343 uint8_t cbWriteVBEIndex;
344# ifdef VBE_NEW_DYN_LIST
345 /** VBE Extra Data write address one byte buffer */
346 uint8_t cbWriteVBEExtraAddress;
347 uint8_t Padding5;
348# else
349 uint8_t Padding5[2];
350# endif
351# endif
352
353 /** Retrace emulation state */
354 bool fRealRetrace;
355 bool Padding6[HC_ARCH_BITS == 64 ? 7 : 3];
356 vga_retrace_s retrace_state;
357
358# ifdef VBE_NEW_DYN_LIST
359 /** The VBE BIOS extra data. */
360 R3PTRTYPE(uint8_t *) pu8VBEExtraData;
361 /** The size of the VBE BIOS extra data. */
362 uint16_t cbVBEExtraData;
363 /** The VBE BIOS current memory address. */
364 uint16_t u16VBEExtraAddress;
365 uint16_t Padding7[2];
366# endif
367
368 /** The BIOS logo data. */
369 R3PTRTYPE(uint8_t *) pu8Logo;
370 /** The name of the logo file. */
371 R3PTRTYPE(char *) pszLogoFile;
372 /** Bitmap image data. */
373 R3PTRTYPE(uint8_t *) pu8LogoBitmap;
374 /** Current logo data offset. */
375 uint32_t offLogoData;
376 /** The size of the BIOS logo data. */
377 uint32_t cbLogo;
378 /** Current logo command. */
379 uint16_t LogoCommand;
380 /** Bitmap width. */
381 uint16_t cxLogo;
382 /** Bitmap height. */
383 uint16_t cyLogo;
384 /** Bitmap planes. */
385 uint16_t cLogoPlanes;
386 /** Bitmap depth. */
387 uint16_t cLogoBits;
388 /** Bitmap compression. */
389 uint16_t LogoCompression;
390 /** Bitmap colors used. */
391 uint16_t cLogoUsedColors;
392 /** Palette size. */
393 uint16_t cLogoPalEntries;
394 /** Clear screen flag. */
395 uint8_t fLogoClearScreen;
396 uint8_t Padding8[7];
397 /** Palette data. */
398 uint32_t au32LogoPalette[256];
399
400 /** The VGA BIOS ROM data. */
401 R3PTRTYPE(uint8_t *) pu8VgaBios;
402 /** The size of the VGA BIOS ROM. */
403 uint64_t cbVgaBios;
404 /** The name of the VGA BIOS ROM file. */
405 R3PTRTYPE(char *) pszVgaBiosFile;
406
407# ifdef VBOX_WITH_HGSMI
408 /** Base port in the assigned PCI I/O space. */
409 RTIOPORT IOPortBase;
410# ifdef VBOX_WITH_WDDM
411 uint8_t Padding9[2];
412 /** Specifies guest driver caps, i.e. whether it can handle IRQs from the
413 * adapter, the way it can handle async HGSMI command completion, etc. */
414 uint32_t fGuestCaps;
415# else
416 uint8_t Padding10[6];
417# endif
418# endif /* VBOX_WITH_HGSMI */
419#endif /* VBOX */
420} VGAState;
421#ifdef VBOX
422/** VGA state. */
423typedef VGAState VGASTATE;
424/** Pointer to the VGA state. */
425typedef VGASTATE *PVGASTATE;
426AssertCompileMemberAlignment(VGASTATE, bank_offset, 8);
427AssertCompileMemberAlignment(VGASTATE, font_offsets, 8);
428AssertCompileMemberAlignment(VGASTATE, last_ch_attr, 8);
429AssertCompileMemberAlignment(VGASTATE, u32Marker, 8);
430#endif
431
432#ifdef VBE_NEW_DYN_LIST
433/**
434 * VBE Bios Extra Data structure.
435 * @remark duplicated in vbe.h.
436 */
437typedef struct VBEHeader
438{
439 /** Signature (VBEHEADER_MAGIC). */
440 uint16_t u16Signature;
441 /** Data size. */
442 uint16_t cbData;
443} VBEHeader;
444
445/** VBE Extra Data. */
446typedef VBEHeader VBEHEADER;
447/** Pointer to the VBE Extra Data. */
448typedef VBEHEADER *PVBEHEADER;
449
450/** The value of the VBEHEADER::u16Signature field.
451 * @remark duplicated in vbe.h. */
452#define VBEHEADER_MAGIC 0x77CC
453
454/** The extra port which is used to read the mode list.
455 * @remark duplicated in vbe.h. */
456#define VBE_EXTRA_PORT 0x3b6
457
458/** The extra port which is used for debug printf.
459 * @remark duplicated in vbe.h. */
460#define VBE_PRINTF_PORT 0x3b7
461
462#endif /* VBE_NEW_DYN_LIST */
463
464#if !defined(VBOX) || defined(IN_RING3)
465static inline int c6_to_8(int v)
466{
467 int b;
468 v &= 0x3f;
469 b = v & 1;
470 return (v << 2) | (b << 1) | b;
471}
472#endif /* !VBOX || IN_RING3 */
473
474
475#ifdef VBOX_WITH_HGSMI
476int VBVAInit (PVGASTATE pVGAState);
477void VBVADestroy (PVGASTATE pVGAState);
478int VBVAUpdateDisplay (PVGASTATE pVGAState);
479void VBVAReset (PVGASTATE pVGAState);
480
481bool VBVAIsEnabled(PVGASTATE pVGAState);
482
483/* @return host-guest flags that were set on reset
484 * this allows the caller to make further cleaning when needed,
485 * e.g. reset the IRQ */
486uint32_t HGSMIReset (PHGSMIINSTANCE pIns);
487
488# ifdef VBOX_WITH_VIDEOHWACCEL
489int vbvaVHWACommandCompleteAsynch(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVHWACMD pCmd);
490int vbvaVHWAConstruct (PVGASTATE pVGAState);
491int vbvaVHWAReset (PVGASTATE pVGAState);
492
493int vboxVBVASaveStatePrep (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
494int vboxVBVASaveStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
495# endif
496
497#ifdef VBOX_WITH_HGSMI
498#define PPDMIDISPLAYVBVACALLBACKS_2_PVGASTATE(_pcb) ( (PVGASTATE)((uint8_t *)(_pcb) - RT_OFFSETOF(VGASTATE, IVBVACallbacks)) )
499#endif
500
501# ifdef VBOX_WITH_CRHGSMI
502int vboxVDMACrHgsmiCommandCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVDMACMD_CHROMIUM_CMD pCmd, int rc);
503int vboxVDMACrHgsmiControlCompleteAsync(PPDMIDISPLAYVBVACALLBACKS pInterface, PVBOXVDMACMD_CHROMIUM_CTL pCmd, int rc);
504# endif
505
506int vboxVBVASaveStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
507int vboxVBVALoadStateExec (PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version);
508int vboxVBVALoadStateDone (PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
509
510# ifdef VBOX_WITH_VDMA
511typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
512int vboxVDMAConstruct(PVGASTATE pVGAState, uint32_t cPipeElements);
513int vboxVDMADestruct(PVBOXVDMAHOST pVdma);
514void vboxVDMAControl(PVBOXVDMAHOST pVdma, PVBOXVDMA_CTL pCmd, uint32_t cbCmd);
515void vboxVDMACommand(PVBOXVDMAHOST pVdma, PVBOXVDMACBUF_DR pCmd, uint32_t cbCmd);
516int vboxVDMASaveStateExecPrep(struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM);
517int vboxVDMASaveStateExecDone(struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM);
518# endif /* VBOX_WITH_VDMA */
519
520#endif /* VBOX_WITH_HGSMI */
521
522#ifndef VBOX
523void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base,
524 unsigned long vga_ram_offset, int vga_ram_size);
525uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
526void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
527void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
528
529void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1,
530 int poffset, int w,
531 unsigned int color0, unsigned int color1,
532 unsigned int color_xor);
533void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1,
534 int poffset, int w,
535 unsigned int color0, unsigned int color1,
536 unsigned int color_xor);
537void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1,
538 int poffset, int w,
539 unsigned int color0, unsigned int color1,
540 unsigned int color_xor);
541
542extern const uint8_t sr_mask[8];
543extern const uint8_t gr_mask[16];
544#endif /* !VBOX */
545
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