DevVGA.h@ 108793

Last change on this file since 108793 was 108641, checked in by vboxsync, 6 weeks ago
Removed 2D video acceleration (aka VHWA / VBOX_WITH_VIDEOHWACCEL). bugref:10756
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 29.7 KB

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1	/* $Id: DevVGA.h 108641 2025-03-20 12:48:42Z vboxsync $ */
2	/** @file
3	* DevVGA - VBox VGA/VESA device, internal header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2024 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	* --------------------------------------------------------------------
27	*
28	* This code is based on:
29	*
30	* QEMU internal VGA defines.
31	*
32	* Copyright (c) 2003-2004 Fabrice Bellard
33	*
34	* Permission is hereby granted, free of charge, to any person obtaining a copy
35	* of this software and associated documentation files (the "Software"), to deal
36	* in the Software without restriction, including without limitation the rights
37	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
38	* copies of the Software, and to permit persons to whom the Software is
39	* furnished to do so, subject to the following conditions:
40	*
41	* The above copyright notice and this permission notice shall be included in
42	* all copies or substantial portions of the Software.
43	*
44	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
45	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
46	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
47	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
48	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
49	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
50	* THE SOFTWARE.
51	*/
52
53	#ifndef VBOX_INCLUDED_SRC_Graphics_DevVGA_h
54	#define VBOX_INCLUDED_SRC_Graphics_DevVGA_h
55	#ifndef RT_WITHOUT_PRAGMA_ONCE
56	# pragma once
57	#endif
58
59	#include <VBoxVideoVBE.h>
60	#include <VBoxVideoVBEPrivate.h>
61
62	#ifdef VBOX_WITH_HGSMI
63	# include "HGSMI/HGSMIHost.h"
64	#endif /* VBOX_WITH_HGSMI */
65	#include "DevVGASavedState.h"
66
67	#ifdef VBOX_WITH_VMSVGA
68	# include "DevVGA-SVGA.h"
69	#else
70	# include <VBox/vmm/pdmifs.h>
71	# include <VBox/vmm/stam.h>
72	#endif
73
74	#include <VBox/param.h> /* For VRAM ranges. */
75	#ifdef VBOX_WITH_VMSVGA
76	/* Make sure the param.h copy of the SVGA VRAM sizes matches the originals. */
77	AssertCompile(VBOX_SVGA_VRAM_MIN_SIZE == SVGA_VRAM_MIN_SIZE);
78	AssertCompile(VBOX_SVGA_VRAM_MIN_SIZE_3D == SVGA_VRAM_MIN_SIZE_3D);
79	AssertCompile(VBOX_SVGA_VRAM_MAX_SIZE == SVGA_VRAM_MAX_SIZE);
80	#endif
81
82	#include <iprt/list.h>
83
84
85	/** Use VBE bytewise I/O. Only needed for Windows Longhorn/Vista betas and backwards compatibility. */
86	#define VBE_BYTEWISE_IO
87
88	/** @name Macros dealing with partial ring-0/raw-mode VRAM mappings.
89	* @{ */
90	/** The size of the VGA ring-0 and raw-mode mapping.
91	*
92	* This is supposed to be all the VGA memory accessible to the guest.
93	* The initial value was 256KB but NTAllInOne.iso appears to access more
94	* thus the limit was upped to 512KB.
95	*
96	* @todo Someone with some VGA knowhow should make a better guess at this value.
97	*/
98	#define VGA_MAPPING_SIZE _512K
99	/** Enables partially mapping the VRAM into ring-0 rather than using the ring-3.
100	* The VGA_MAPPING_SIZE define sets the number of bytes that will be mapped. */
101	#define VGA_WITH_PARTIAL_RING0_MAPPING
102
103	/**
104	* Check buffer if an VRAM offset is within the right range or not.
105	*/
106	#if defined(IN_RC) \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0) \|\| (defined(IN_RING0) && defined(VGA_WITH_PARTIAL_RING0_MAPPING))
107	# define VERIFY_VRAM_WRITE_OFF_RETURN(pThis, off) \
108	do { \
109	if ((off) < VGA_MAPPING_SIZE) \
110	RT_UNTRUSTED_VALIDATED_FENCE(); \
111	else \
112	{ \
113	AssertMsgReturn((off) < (pThis)->vram_size, ("%RX32 !< %RX32\n", (uint32_t)(off), (pThis)->vram_size), VINF_SUCCESS); \
114	Log2(("%Rfn[%d]: %RX32 -> R3\n", __PRETTY_FUNCTION__, __LINE__, (off))); \
115	return VINF_IOM_R3_MMIO_WRITE; \
116	} \
117	} while (0)
118	#else
119	# define VERIFY_VRAM_WRITE_OFF_RETURN(pThis, off) \
120	do { \
121	AssertMsgReturn((off) < (pThis)->vram_size, ("%RX32 !< %RX32\n", (uint32_t)(off), (pThis)->vram_size), VINF_SUCCESS); \
122	RT_UNTRUSTED_VALIDATED_FENCE(); \
123	} while (0)
124	#endif
125
126	/**
127	* Check buffer if an VRAM offset is within the right range or not.
128	*/
129	#if defined(IN_RC) \|\| defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0) \|\| (defined(IN_RING0) && defined(VGA_WITH_PARTIAL_RING0_MAPPING))
130	# define VERIFY_VRAM_READ_OFF_RETURN(pThis, off, rcVar) \
131	do { \
132	if ((off) < VGA_MAPPING_SIZE) \
133	RT_UNTRUSTED_VALIDATED_FENCE(); \
134	else \
135	{ \
136	AssertMsgReturn((off) < (pThis)->vram_size, ("%RX32 !< %RX32\n", (uint32_t)(off), (pThis)->vram_size), 0xff); \
137	Log2(("%Rfn[%d]: %RX32 -> R3\n", __PRETTY_FUNCTION__, __LINE__, (off))); \
138	(rcVar) = VINF_IOM_R3_MMIO_READ; \
139	return 0; \
140	} \
141	} while (0)
142	#else
143	# define VERIFY_VRAM_READ_OFF_RETURN(pThis, off, rcVar) \
144	do { \
145	AssertMsgReturn((off) < (pThis)->vram_size, ("%RX32 !< %RX32\n", (uint32_t)(off), (pThis)->vram_size), 0xff); \
146	RT_UNTRUSTED_VALIDATED_FENCE(); \
147	NOREF(rcVar); \
148	} while (0)
149	#endif
150	/** @} */
151
152
153	#define MSR_COLOR_EMULATION 0x01
154	#define MSR_PAGE_SELECT 0x20
155
156	#define ST01_V_RETRACE 0x08
157	#define ST01_DISP_ENABLE 0x01
158
159	/* bochs VBE support */
160	#define CONFIG_BOCHS_VBE
161
162	#ifdef CONFIG_BOCHS_VBE
163
164	/* Cross reference with <VBoxVideoVBE.h> */
165	#define VBE_DISPI_INDEX_NB_SAVED 0xb /* Old number of saved registers (vbe_regs array, see vga_load) */
166	#define VBE_DISPI_INDEX_NB 0xd /* Total number of VBE registers */
167
168	#define VGA_STATE_COMMON_BOCHS_VBE \
169	uint16_t vbe_index; \
170	uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
171	uint16_t alignment[2]; /* pad to 64 bits */ \
172	uint32_t vbe_start_addr; \
173	uint32_t vbe_line_offset; \
174	uint32_t vbe_bank_max;
175
176	#else
177
178	#define VGA_STATE_COMMON_BOCHS_VBE
179
180	#endif /* !CONFIG_BOCHS_VBE */
181
182	#define CH_ATTR_SIZE (160 * 100)
183	#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
184
185	typedef struct vga_retrace_s {
186	unsigned frame_cclks; /* Character clocks per frame. */
187	unsigned frame_ns; /* Frame duration in ns. */
188	unsigned cclk_ns; /* Character clock duration in ns. */
189	unsigned vb_start; /* Vertical blanking start (scanline). */
190	unsigned vb_end; /* Vertical blanking end (scanline). */
191	unsigned vb_end_ns; /* Vertical blanking end time (length) in ns. */
192	unsigned vs_start; /* Vertical sync start (scanline). */
193	unsigned vs_end; /* Vertical sync end (scanline). */
194	unsigned vs_start_ns; /* Vertical sync start time in ns. */
195	unsigned vs_end_ns; /* Vertical sync end time in ns. */
196	unsigned h_total; /* Horizontal total (cclks per scanline). */
197	unsigned h_total_ns; /* Scanline duration in ns. */
198	unsigned hb_start; /* Horizontal blanking start (cclk). */
199	unsigned hb_end; /* Horizontal blanking end (cclk). */
200	unsigned hb_end_ns; /* Horizontal blanking end time (length) in ns. */
201	unsigned v_freq_hz; /* Vertical refresh rate to emulate. */
202	} vga_retrace_s;
203
204	#ifndef VBOX
205	#define VGA_STATE_COMMON \
206	unsigned long vram_offset; \
207	unsigned int vram_size; \
208	uint32_t latch; \
209	uint8_t sr_index; \
210	uint8_t sr[256]; \
211	uint8_t gr_index; \
212	uint8_t gr[256]; \
213	uint8_t ar_index; \
214	uint8_t ar[21]; \
215	int ar_flip_flop; \
216	uint8_t cr_index; \
217	uint8_t cr[256]; /* CRT registers */ \
218	uint8_t msr; /* Misc Output Register */ \
219	uint8_t fcr; /* Feature Control Register */ \
220	uint8_t st00; /* status 0 */ \
221	uint8_t st01; /* status 1 */ \
222	uint8_t dac_state; \
223	uint8_t dac_sub_index; \
224	uint8_t dac_read_index; \
225	uint8_t dac_write_index; \
226	uint8_t dac_cache[3]; /* used when writing */ \
227	uint8_t palette[768]; \
228	int32_t bank_offset; \
229	int (get_bpp)(struct VGAState s); \
230	void (get_offsets)(struct VGAState s, \
231	uint32_t *pline_offset, \
232	uint32_t *pstart_addr, \
233	uint32_t *pline_compare); \
234	void (get_resolution)(struct VGAState s, \
235	int *pwidth, \
236	int *pheight); \
237	VGA_STATE_COMMON_BOCHS_VBE \
238	/* display refresh support */ \
239	DisplayState *ds; \
240	uint32_t font_offsets[2]; \
241	int graphic_mode; \
242	uint8_t shift_control; \
243	uint8_t double_scan; \
244	uint32_t line_offset; \
245	uint32_t line_compare; \
246	uint32_t start_addr; \
247	uint32_t plane_updated; \
248	uint8_t last_cw, last_ch; \
249	uint32_t last_width, last_height; /* in chars or pixels */ \
250	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
251	uint8_t cursor_start, cursor_end; \
252	uint32_t cursor_offset; \
253	unsigned int (*rgb_to_pixel)(unsigned int r, \
254	unsigned int g, unsigned b); \
255	/* hardware mouse cursor support */ \
256	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
257	void (cursor_invalidate)(struct VGAState s); \
258	void (cursor_draw_line)(struct VGAState s, uint8_t *d, int y); \
259	/* tell for each page if it has been updated since the last time */ \
260	uint32_t last_palette[256]; \
261	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
262
263	#else /* VBOX */
264
265	/* bird: Since we've changed types, reordered members, done alignment
266	paddings and more, VGA_STATE_COMMON was added directly to the
267	struct to make it more readable and easier to handle. */
268
269	struct VGAState;
270	typedef int FNGETBPP(struct VGAState *s);
271	typedef void FNGETOFFSETS(struct VGAState s, uint32_t pline_offset, uint32_t pstart_addr, uint32_t pline_compare);
272	typedef void FNGETRESOLUTION(struct VGAState s, int pwidth, int *pheight);
273	typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
274	typedef void FNCURSORINVALIDATE(struct VGAState *s);
275	typedef void FNCURSORDRAWLINE(struct VGAState s, uint8_t d, int y);
276
277	#endif /* VBOX */
278
279	#ifdef VBOX_WITH_VDMA
280	typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
281	#endif
282
283	/**
284	* The shared VGA state data.
285	*/
286	typedef struct VGAState
287	{
288	uint32_t vram_size;
289	uint32_t latch;
290	uint8_t sr_index;
291	uint8_t sr[256];
292	uint8_t gr_index;
293	uint8_t gr[256];
294	uint8_t ar_index;
295	uint8_t ar[21];
296	int32_t ar_flip_flop;
297	uint8_t cr_index;
298	uint8_t cr[256]; /* CRT registers */
299	uint8_t msr; /* Misc Output Register */
300	uint8_t fcr; /* Feature Control Register */
301	uint8_t st00; /* status 0 */
302	uint8_t st01; /* status 1 */
303	uint8_t dac_state;
304	uint8_t dac_sub_index;
305	uint8_t dac_read_index;
306	uint8_t dac_write_index;
307	uint8_t dac_cache[3]; /* used when writing */
308	uint8_t palette[768];
309	int32_t bank_offset;
310	VGA_STATE_COMMON_BOCHS_VBE
311	/* display refresh support */
312	uint32_t font_offsets[2];
313	int32_t graphic_mode;
314	uint8_t shift_control;
315	uint8_t double_scan;
316	uint8_t padding1[2];
317	uint32_t line_offset;
318	uint32_t vga_addr_mask;
319	uint32_t padding1a;
320	uint32_t line_compare;
321	uint32_t start_addr;
322	uint32_t plane_updated;
323	uint8_t last_cw, last_ch;
324	uint8_t last_uline; \
325	bool last_blink; \
326	uint32_t last_width, last_height; /* in chars or pixels */
327	uint32_t last_scr_width, last_scr_height; /* in pixels */
328	uint32_t last_bpp;
329	uint8_t cursor_start, cursor_end;
330	bool last_cur_blink, last_chr_blink;
331	uint32_t cursor_offset;
332	/** hardware mouse cursor support */
333	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32];
334	/** tell for each page if it has been updated since the last time */
335	uint32_t last_palette[256];
336	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
337
338	/** end-of-common-state-marker */
339	uint32_t u32Marker;
340
341	/** Refresh timer handle - HC. */
342	TMTIMERHANDLE hRefreshTimer;
343
344	#ifdef VBOX_WITH_VMSVGA
345	VMSVGASTATE svga;
346	#endif
347
348	/** The number of monitors. */
349	uint32_t cMonitors;
350	/** Current refresh timer interval. */
351	uint32_t cMilliesRefreshInterval;
352	/** Bitmap tracking dirty pages. */
353	uint64_t bmDirtyBitmap[VGA_VRAM_MAX / GUEST_PAGE_SIZE / 64];
354	/** Bitmap tracking which VGA memory pages in the 0xa0000-0xbffff region has
355	* been remapped to allow direct access.
356	* @note It's quite possible that mapping in the 0xb0000-0xbffff isn't possible,
357	* but we're playing safe and cover the whole VGA MMIO region here. */
358	uint32_t bmPageRemappedVGA;
359
360	/** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
361	bool fHasDirtyBits;
362	/** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
363	bool fRenderVRAM;
364	/** Whether 3D is enabled for the VM. */
365	bool f3DEnabled;
366	/** Set if state has been restored. */
367	bool fStateLoaded;
368	/** Flag whether to expose the legacy VGA interface to the guest. */
369	bool fLegacyVgaEnabled;
370	#ifdef VBOX_WITH_VMSVGA
371	/* Whether the SVGA emulation is enabled or not. */
372	bool fVMSVGAEnabled;
373	bool fVMSVGA10;
374	bool fVMSVGAPciId;
375	bool fVMSVGAPciBarLayout;
376	/** Flag whether the SVGA3 interface is exposed to the guest. */
377	bool fVmSvga3;
378	#else
379	bool afPadding4[5];
380	#endif
381
382	struct {
383	uint32_t u32Padding1;
384	uint32_t iVRAM;
385	#ifdef VBOX_WITH_VMSVGA
386	uint32_t iIO;
387	uint32_t iFIFO;
388	#endif
389	} pciRegions;
390
391	/** The physical address the VRAM was assigned. */
392	RTGCPHYS GCPhysVRAM;
393	/** The critical section protect the instance data. */
394	PDMCRITSECT CritSect;
395
396	/* Keep track of ring 0 latched accesses to the VGA MMIO memory. */
397	uint64_t u64LastLatchedAccess;
398	uint32_t cLatchAccesses;
399	uint16_t uMaskLatchAccess;
400	uint16_t iMask;
401
402	#ifdef VBE_BYTEWISE_IO
403	/** VBE read/write data/index flags */
404	uint8_t fReadVBEData;
405	uint8_t fWriteVBEData;
406	uint8_t fReadVBEIndex;
407	uint8_t fWriteVBEIndex;
408	/** VBE write data/index one byte buffer */
409	uint8_t cbWriteVBEData;
410	uint8_t cbWriteVBEIndex;
411	/** VBE Extra Data write address one byte buffer */
412	uint8_t cbWriteVBEExtraAddress;
413	uint8_t Padding5;
414	#endif
415
416	/** Retrace emulation state */
417	bool fRealRetrace;
418	bool Padding6[HC_ARCH_BITS == 64 ? 7 : 3];
419	vga_retrace_s retrace_state;
420
421	#ifdef VBOX_WITH_HGSMI
422	/** Base port in the assigned PCI I/O space. */
423	RTIOPORT IOPortBase;
424	# ifdef VBOX_WITH_WDDM
425	uint8_t Padding10[2];
426	/** Specifies guest driver caps, i.e. whether it can handle IRQs from the
427	* adapter, the way it can handle async HGSMI command completion, etc. */
428	uint32_t fGuestCaps;
429	uint32_t fScanLineCfg;
430	uint32_t Padding11;
431	# else
432	uint8_t Padding11[14];
433	# endif
434
435	/** The critical section serializes the HGSMI IRQ setting/clearing. */
436	PDMCRITSECT CritSectIRQ;
437	/** VBVARaiseIRQ flags which were set when the guest was still processing previous IRQ. */
438	uint32_t fu32PendingGuestFlags;
439	uint32_t Padding12;
440	#endif /* VBOX_WITH_HGSMI */
441
442	PDMLED Led3D;
443
444	struct {
445	volatile uint32_t cPending;
446	uint32_t Padding1;
447	union
448	{
449	RTLISTNODE PendingList;
450	/* make sure the structure sized cross different contexts correctly */
451	struct
452	{
453	R3PTRTYPE(void *) dummy1;
454	R3PTRTYPE(void *) dummy2;
455	} dummy;
456	};
457	} pendingVhwaCommands;
458
459	/** The MMIO handle of the legacy graphics buffer/regs at 0xa0000-0xbffff. */
460	PGMMMIO2HANDLE hMmioLegacy;
461
462	/** @name I/O ports for range 0x3c0-3cf.
463	* @{ */
464	IOMIOPORTHANDLE hIoPortAr;
465	IOMIOPORTHANDLE hIoPortMsrSt00;
466	IOMIOPORTHANDLE hIoPort3c3;
467	IOMIOPORTHANDLE hIoPortSr;
468	IOMIOPORTHANDLE hIoPortDac;
469	IOMIOPORTHANDLE hIoPortPos;
470	IOMIOPORTHANDLE hIoPortGr;
471	/** @} */
472
473	/** @name I/O ports for MDA 0x3b0-0x3bf (sparse)
474	* @{ */
475	IOMIOPORTHANDLE hIoPortMdaCrt;
476	IOMIOPORTHANDLE hIoPortMdaFcrSt;
477	/** @} */
478
479	/** @name I/O ports for CGA 0x3d0-0x3df (sparse)
480	* @{ */
481	IOMIOPORTHANDLE hIoPortCgaCrt;
482	IOMIOPORTHANDLE hIoPortCgaFcrSt;
483	/** @} */
484
485	#ifdef VBOX_WITH_HGSMI
486	/** @name I/O ports for HGSMI 0x3b0-03b3 and 0x3d0-03d3 (ring-3 only)
487	* @{ */
488	IOMIOPORTHANDLE hIoPortHgsmiHost;
489	IOMIOPORTHANDLE hIoPortHgsmiGuest;
490	/** @} */
491	#endif
492
493	/** @name I/O ports for Boch VBE 0x1ce-0x1cf
494	* @{ */
495	IOMIOPORTHANDLE hIoPortVbeIndex;
496	IOMIOPORTHANDLE hIoPortVbeData;
497	/** @} */
498
499	/** The BIOS printf I/O port. */
500	IOMIOPORTHANDLE hIoPortBios;
501	/** The VBE extra data I/O port. */
502	IOMIOPORTHANDLE hIoPortVbeExtra;
503	/** The logo command I/O port. */
504	IOMIOPORTHANDLE hIoPortCmdLogo;
505
506	#ifdef VBOX_WITH_VMSVGA
507	/** VMSVGA: I/O port PCI region. */
508	IOMIOPORTHANDLE hIoPortVmSvga;
509	/** VMSVGA3: MMIO PCI region for the registers. */
510	IOMMMIOHANDLE hMmioSvga3;
511	/** VMSVGA: The MMIO2 handle of the FIFO PCI region. */
512	PGMMMIO2HANDLE hMmio2VmSvgaFifo;
513	#endif
514	/** The MMIO2 handle of the VRAM. */
515	PGMMMIO2HANDLE hMmio2VRam;
516
517	STAMPROFILE StatRZMemoryRead;
518	STAMPROFILE StatR3MemoryRead;
519	STAMPROFILE StatRZMemoryWrite;
520	STAMPROFILE StatR3MemoryWrite;
521	STAMCOUNTER StatMapPage; /*< Counts IOMMmioMapMmio2Page calls. /
522	STAMCOUNTER StatMapReset; /*< Counts IOMMmioResetRegion calls. /
523	STAMCOUNTER StatUpdateDisp; /*< Counts vgaPortUpdateDisplay calls. /
524	#ifdef VBOX_WITH_HGSMI
525	STAMCOUNTER StatHgsmiMdaCgaAccesses;
526	#endif
527	} VGAState;
528	#ifdef VBOX
529	/** VGA state. */
530	typedef VGAState VGASTATE;
531	/** Pointer to the VGA state. */
532	typedef VGASTATE *PVGASTATE;
533	AssertCompileMemberAlignment(VGASTATE, bank_offset, 8);
534	AssertCompileMemberAlignment(VGASTATE, font_offsets, 8);
535	AssertCompileMemberAlignment(VGASTATE, last_ch_attr, 8);
536	AssertCompileMemberAlignment(VGASTATE, u32Marker, 8);
537	AssertCompile(sizeof(uint64_t)/bmPageMapBitmap/ >= (_64K / GUEST_PAGE_SIZE / 8));
538	#endif
539
540
541	/**
542	* The VGA state data for ring-3 context.
543	*/
544	typedef struct VGASTATER3
545	{
546	R3PTRTYPE(uint8_t *) pbVRam;
547	R3PTRTYPE(FNGETBPP *) get_bpp;
548	R3PTRTYPE(FNGETOFFSETS *) get_offsets;
549	R3PTRTYPE(FNGETRESOLUTION *) get_resolution;
550	R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel;
551	R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate;
552	R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line;
553
554	/** Pointer to the device instance.
555	* @note Only for getting our bearings in interface methods. */
556	PPDMDEVINSR3 pDevIns;
557	#ifdef VBOX_WITH_HGSMI
558	R3PTRTYPE(PHGSMIINSTANCE) pHGSMI;
559	#endif
560	#ifdef VBOX_WITH_VDMA
561	R3PTRTYPE(PVBOXVDMAHOST) pVdma;
562	#endif
563
564	/** LUN\#0: The display port base interface. */
565	PDMIBASE IBase;
566	/** LUN\#0: The display port interface. */
567	PDMIDISPLAYPORT IPort;
568	/** Status LUN: Leds interface. */
569	PDMILEDPORTS ILeds;
570
571	/** Pointer to base interface of the driver. */
572	R3PTRTYPE(PPDMIBASE) pDrvBase;
573	/** Pointer to display connector interface of the driver. */
574	R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
575
576	/** Status LUN: Partner of ILeds. */
577	R3PTRTYPE(PPDMILEDCONNECTORS) pLedsConnector;
578
579	#ifdef VBOX_WITH_VMSVGA
580	/** The VMSVGA ring-3 state. */
581	VMSVGASTATER3 svga;
582	#endif
583
584	/** The VGA BIOS ROM data. */
585	R3PTRTYPE(uint8_t *) pbVgaBios;
586	/** The size of the VGA BIOS ROM. */
587	uint64_t cbVgaBios;
588	/** The name of the VGA BIOS ROM file. */
589	R3PTRTYPE(char *) pszVgaBiosFile;
590
591	/** @name Logo data
592	* @{ */
593	/** Current logo data offset. */
594	uint32_t offLogoData;
595	/** The size of the BIOS logo data. */
596	uint32_t cbLogo;
597	/** Current logo command. */
598	uint16_t LogoCommand;
599	/** Bitmap width. */
600	uint16_t cxLogo;
601	/** Bitmap height. */
602	uint16_t cyLogo;
603	/** Bitmap planes. */
604	uint16_t cLogoPlanes;
605	/** Bitmap depth. */
606	uint16_t cLogoBits;
607	/** Bitmap compression. */
608	uint16_t LogoCompression;
609	/** Bitmap colors used. */
610	uint16_t cLogoUsedColors;
611	/** Palette size. */
612	uint16_t cLogoPalEntries;
613	/** Clear screen flag. */
614	uint8_t fLogoClearScreen;
615	bool fBootMenuInverse;
616	uint8_t Padding8[6];
617	/** Palette data. */
618	uint32_t au32LogoPalette[256];
619	/** The BIOS logo data. */
620	R3PTRTYPE(uint8_t *) pbLogo;
621	/** The name of the logo file. */
622	R3PTRTYPE(char *) pszLogoFile;
623	/** Bitmap image data. */
624	R3PTRTYPE(uint8_t *) pbLogoBitmap;
625	/** @} */
626
627	/** @name VBE extra data (modes)
628	* @{ */
629	/** The VBE BIOS extra data. */
630	R3PTRTYPE(uint8_t *) pbVBEExtraData;
631	/** The size of the VBE BIOS extra data. */
632	uint16_t cbVBEExtraData;
633	/** The VBE BIOS current memory address. */
634	uint16_t u16VBEExtraAddress;
635	uint16_t Padding7[2];
636	/** @} */
637
638	} VGASTATER3;
639	/** Pointer to the ring-3 VGA state. */
640	typedef VGASTATER3 *PVGASTATER3;
641
642
643	/**
644	* The VGA state data for ring-0 context.
645	*/
646	typedef struct VGASTATER0
647	{
648	/** The R0 vram pointer. */
649	R0PTRTYPE(uint8_t *) pbVRam;
650	#ifdef VBOX_WITH_VMSVGA
651	/** The VMSVGA ring-0 state. */
652	VMSVGASTATER0 svga;
653	#endif
654	} VGASTATER0;
655	/** Pointer to the ring-0 VGA state. */
656	typedef VGASTATER0 *PVGASTATER0;
657
658
659	/**
660	* The VGA state data for raw-mode context.
661	*/
662	typedef struct VGASTATERC
663	{
664	/** Pointer to the RC vram mapping. */
665	RCPTRTYPE(uint8_t *) pbVRam;
666	} VGASTATERC;
667	/** Pointer to the raw-mode VGA state. */
668	typedef VGASTATERC *PVGASTATERC;
669
670
671	/** The VGA state for the current context. */
672	typedef CTX_SUFF(VGASTATE) VGASTATECC;
673	/** Pointer to the VGA state for the current context. */
674	typedef CTX_SUFF(PVGASTATE) PVGASTATECC;
675
676
677
678	/** VBE Extra Data. */
679	typedef VBEHeader VBEHEADER;
680	/** Pointer to the VBE Extra Data. */
681	typedef VBEHEADER *PVBEHEADER;
682
683	#if !defined(VBOX) \|\| defined(IN_RING3)
684	static inline int c6_to_8(int v)
685	{
686	int b;
687	v &= 0x3f;
688	b = v & 1;
689	return (v << 2) \| (b << 1) \| b;
690	}
691	#endif /* !VBOX \|\| IN_RING3 */
692
693
694	#ifdef VBOX_WITH_HGSMI
695	int VBVAInit(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC);
696	void VBVADestroy(PVGASTATECC pThisCC);
697	int VBVAUpdateDisplay(PVGASTATE pThis, PVGASTATECC pThisCC);
698	void VBVAReset(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC);
699	void VBVAOnVBEChanged(PVGASTATE pThis, PVGASTATECC pThisCC);
700	void VBVAOnResume(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC);
701
702	bool VBVAIsPaused(PVGASTATECC pThisCC);
703	#ifdef UNUSED_FUNCTION
704	bool VBVAIsEnabled(PVGASTATECC pThisCC);
705	#endif
706
707	void VBVARaiseIrq(PPDMDEVINS pDevIns, PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t fFlags);
708
709	int VBVAInfoScreen(PVGASTATE pThis, const VBVAINFOSCREEN RT_UNTRUSTED_VOLATILE_HOST *pScreen);
710	#ifdef UNUSED_FUNCTION
711	int VBVAGetInfoViewAndScreen(PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t u32ViewIndex,
712	VBVAINFOVIEW pView, VBVAINFOSCREEN pScreen);
713	#endif
714
715	int vboxVBVASaveStateExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM);
716	int vboxVBVALoadStateExec(PPDMDEVINS pDevIns, PSSMHANDLE pSSM, uint32_t u32Version);
717	int vboxVBVALoadStateDone(PPDMDEVINS pDevIns);
718
719	DECLCALLBACK(int) vbvaR3PortSendModeHint(PPDMIDISPLAYPORT pInterface, uint32_t cx, uint32_t cy, uint32_t cBPP,
720	uint32_t cDisplay, uint32_t dx, uint32_t dy, uint32_t fEnabled, uint32_t fNotifyGuest);
721
722	# ifdef VBOX_WITH_VDMA
723	typedef struct VBOXVDMAHOST *PVBOXVDMAHOST;
724	int vboxVDMAConstruct(PVGASTATE pThis, PVGASTATECC pThisCC, uint32_t cPipeElements);
725	void vboxVDMADestruct(PVBOXVDMAHOST pVdma);
726	void vboxVDMAReset(PVBOXVDMAHOST pVdma);
727	void vboxVDMAControl(PVBOXVDMAHOST pVdma, VBOXVDMA_CTL RT_UNTRUSTED_VOLATILE_GUEST *pCmd, uint32_t cbCmd);
728	void vboxVDMACommand(PVBOXVDMAHOST pVdma, VBOXVDMACBUF_DR RT_UNTRUSTED_VOLATILE_GUEST *pCmd, uint32_t cbCmd);
729	int vboxVDMASaveStateExecPrep(struct VBOXVDMAHOST *pVdma);
730	int vboxVDMASaveStateExecDone(struct VBOXVDMAHOST *pVdma);
731	int vboxVDMASaveStateExecPerform(PCPDMDEVHLPR3 pHlp, struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM);
732	int vboxVDMASaveLoadExecPerform(PCPDMDEVHLPR3 pHlp, struct VBOXVDMAHOST *pVdma, PSSMHANDLE pSSM, uint32_t u32Version);
733	int vboxVDMASaveLoadDone(struct VBOXVDMAHOST *pVdma);
734	# endif /* VBOX_WITH_VDMA */
735
736	#endif /* VBOX_WITH_HGSMI */
737
738	# ifdef VBOX_WITH_VMSVGA
739	int vgaR3UnregisterVRAMHandler(PPDMDEVINS pDevIns, PVGASTATE pThis);
740	int vgaR3RegisterVRAMHandler(PPDMDEVINS pDevIns, PVGASTATE pThis, uint64_t cbFrameBuffer);
741	int vgaR3UpdateDisplay(PVGASTATE pThis, unsigned xStart, unsigned yStart, unsigned width, unsigned height);
742	# endif
743
744	#ifndef VBOX
745	void vga_common_init(VGAState s, DisplayState ds, uint8_t *vga_ram_base,
746	unsigned long vga_ram_offset, int vga_ram_size);
747	uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
748	void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
749	void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
750
751	void vga_draw_cursor_line_8(uint8_t d1, const uint8_t src1,
752	int poffset, int w,
753	unsigned int color0, unsigned int color1,
754	unsigned int color_xor);
755	void vga_draw_cursor_line_16(uint8_t d1, const uint8_t src1,
756	int poffset, int w,
757	unsigned int color0, unsigned int color1,
758	unsigned int color_xor);
759	void vga_draw_cursor_line_32(uint8_t d1, const uint8_t src1,
760	int poffset, int w,
761	unsigned int color0, unsigned int color1,
762	unsigned int color_xor);
763
764	extern const uint8_t sr_mask[8];
765	extern const uint8_t gr_mask[16];
766	#endif /* !VBOX */
767
768	#endif /* !VBOX_INCLUDED_SRC_Graphics_DevVGA_h */
769

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 108793

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