DevVGA.h@ 17297

Last change on this file since 17297 was 17297, checked in by vboxsync, 16 years ago
Experimental forced rescheduling to the recompiler for intensive access to the VGA mmio region.
Property svn:eol-style set to `native` Property svn:keywords set to `Author Date Id Revision`
File size: 19.9 KB

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1	/* $Id: DevVGA.h 17297 2009-03-03 16:01:29Z vboxsync $ */
2	/** @file
3	* DevVGA - VBox VGA/VESA device, internal header.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
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	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	* --------------------------------------------------------------------
21	*
22	* This code is based on:
23	*
24	* QEMU internal VGA defines.
25	*
26	* Copyright (c) 2003-2004 Fabrice Bellard
27	*
28	* Permission is hereby granted, free of charge, to any person obtaining a copy
29	* of this software and associated documentation files (the "Software"), to deal
30	* in the Software without restriction, including without limitation the rights
31	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
32	* copies of the Software, and to permit persons to whom the Software is
33	* furnished to do so, subject to the following conditions:
34	*
35	* The above copyright notice and this permission notice shall be included in
36	* all copies or substantial portions of the Software.
37	*
38	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
39	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
40	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
41	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
42	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
43	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
44	* THE SOFTWARE.
45	*/
46
47	#define MSR_COLOR_EMULATION 0x01
48	#define MSR_PAGE_SELECT 0x20
49
50	#define ST01_V_RETRACE 0x08
51	#define ST01_DISP_ENABLE 0x01
52
53	/* bochs VBE support */
54	#define CONFIG_BOCHS_VBE
55
56	#ifdef VBOX
57	#define VBE_DISPI_MAX_XRES 16384
58	#define VBE_DISPI_MAX_YRES 16384
59	#else
60	#define VBE_DISPI_MAX_XRES 1600
61	#define VBE_DISPI_MAX_YRES 1200
62	#endif
63	#define VBE_DISPI_MAX_BPP 32
64
65	#define VBE_DISPI_INDEX_ID 0x0
66	#define VBE_DISPI_INDEX_XRES 0x1
67	#define VBE_DISPI_INDEX_YRES 0x2
68	#define VBE_DISPI_INDEX_BPP 0x3
69	#define VBE_DISPI_INDEX_ENABLE 0x4
70	#define VBE_DISPI_INDEX_BANK 0x5
71	#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
72	#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
73	#define VBE_DISPI_INDEX_X_OFFSET 0x8
74	#define VBE_DISPI_INDEX_Y_OFFSET 0x9
75	#define VBE_DISPI_INDEX_VBOX_VIDEO 0xa
76	#define VBE_DISPI_INDEX_NB 0xb
77
78	#define VBE_DISPI_ID0 0xB0C0
79	#define VBE_DISPI_ID1 0xB0C1
80	#define VBE_DISPI_ID2 0xB0C2
81	#define VBE_DISPI_ID3 0xB0C3
82	#define VBE_DISPI_ID4 0xB0C4
83
84	#ifdef VBOX
85	/* The VBOX interface id. Indicates support for VBE_DISPI_INDEX_VBOX_VIDEO. */
86	#define VBE_DISPI_ID_VBOX_VIDEO 0xBE00
87	#endif /* VBOX */
88
89	#define VBE_DISPI_DISABLED 0x00
90	#define VBE_DISPI_ENABLED 0x01
91	#define VBE_DISPI_GETCAPS 0x02
92	#define VBE_DISPI_8BIT_DAC 0x20
93	#define VBE_DISPI_LFB_ENABLED 0x40
94	#define VBE_DISPI_NOCLEARMEM 0x80
95
96	#define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000
97
98	#ifdef CONFIG_BOCHS_VBE
99
100	#define VGA_STATE_COMMON_BOCHS_VBE \
101	uint16_t vbe_index; \
102	uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \
103	uint32_t vbe_start_addr; \
104	uint32_t vbe_line_offset; \
105	uint32_t vbe_bank_max;
106
107	#else
108
109	#define VGA_STATE_COMMON_BOCHS_VBE
110
111	#endif /* !CONFIG_BOCHS_VBE */
112
113	#define CH_ATTR_SIZE (160 * 100)
114	#define VGA_MAX_HEIGHT VBE_DISPI_MAX_YRES
115
116	#ifndef VBOX
117	#define VGA_STATE_COMMON \
118	uint8_t *vram_ptr; \
119	unsigned long vram_offset; \
120	unsigned int vram_size; \
121	uint32_t latch; \
122	uint8_t sr_index; \
123	uint8_t sr[256]; \
124	uint8_t gr_index; \
125	uint8_t gr[256]; \
126	uint8_t ar_index; \
127	uint8_t ar[21]; \
128	int ar_flip_flop; \
129	uint8_t cr_index; \
130	uint8_t cr[256]; /* CRT registers */ \
131	uint8_t msr; /* Misc Output Register */ \
132	uint8_t fcr; /* Feature Control Register */ \
133	uint8_t st00; /* status 0 */ \
134	uint8_t st01; /* status 1 */ \
135	uint8_t dac_state; \
136	uint8_t dac_sub_index; \
137	uint8_t dac_read_index; \
138	uint8_t dac_write_index; \
139	uint8_t dac_cache[3]; /* used when writing */ \
140	uint8_t palette[768]; \
141	int32_t bank_offset; \
142	int (get_bpp)(struct VGAState s); \
143	void (get_offsets)(struct VGAState s, \
144	uint32_t *pline_offset, \
145	uint32_t *pstart_addr, \
146	uint32_t *pline_compare); \
147	void (get_resolution)(struct VGAState s, \
148	int *pwidth, \
149	int *pheight); \
150	VGA_STATE_COMMON_BOCHS_VBE \
151	/* display refresh support */ \
152	DisplayState *ds; \
153	uint32_t font_offsets[2]; \
154	int graphic_mode; \
155	uint8_t shift_control; \
156	uint8_t double_scan; \
157	uint32_t line_offset; \
158	uint32_t line_compare; \
159	uint32_t start_addr; \
160	uint32_t plane_updated; \
161	uint8_t last_cw, last_ch; \
162	uint32_t last_width, last_height; /* in chars or pixels */ \
163	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
164	uint8_t cursor_start, cursor_end; \
165	uint32_t cursor_offset; \
166	unsigned int (*rgb_to_pixel)(unsigned int r, \
167	unsigned int g, unsigned b); \
168	/* hardware mouse cursor support */ \
169	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
170	void (cursor_invalidate)(struct VGAState s); \
171	void (cursor_draw_line)(struct VGAState s, uint8_t *d, int y); \
172	/* tell for each page if it has been updated since the last time */ \
173	uint32_t last_palette[256]; \
174	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
175
176	#else /* VBOX */
177
178	struct VGAState;
179	typedef int FNGETBPP(struct VGAState *s);
180	typedef void FNGETOFFSETS(struct VGAState s, uint32_t pline_offset, uint32_t pstart_addr, uint32_t pline_compare);
181	typedef void FNGETRESOLUTION(struct VGAState s, int pwidth, int *pheight);
182	typedef unsigned int FNRGBTOPIXEL(unsigned int r, unsigned int g, unsigned b);
183	typedef void FNCURSORINVALIDATE(struct VGAState *s);
184	typedef void FNCURSORDRAWLINE(struct VGAState s, uint8_t d, int y);
185
186	/* bird: vram_offset have been remove, function pointers declared external,
187	some type changes, and some padding have been added. */
188	#define VGA_STATE_COMMON \
189	R3PTRTYPE(uint8_t *) vram_ptrR3; \
190	uint32_t vram_size; \
191	uint32_t latch; \
192	uint8_t sr_index; \
193	uint8_t sr[256]; \
194	uint8_t gr_index; \
195	uint8_t gr[256]; \
196	uint8_t ar_index; \
197	uint8_t ar[21]; \
198	int32_t ar_flip_flop; \
199	uint8_t cr_index; \
200	uint8_t cr[256]; /* CRT registers */ \
201	uint8_t msr; /* Misc Output Register */ \
202	uint8_t fcr; /* Feature Control Register */ \
203	uint8_t st00; /* status 0 */ \
204	uint8_t st01; /* status 1 */ \
205	uint8_t dac_state; \
206	uint8_t dac_sub_index; \
207	uint8_t dac_read_index; \
208	uint8_t dac_write_index; \
209	uint8_t dac_cache[3]; /* used when writing */ \
210	uint8_t palette[768]; \
211	int32_t bank_offset; \
212	int32_t padding0; \
213	R3PTRTYPE(FNGETBPP *) get_bpp; \
214	R3PTRTYPE(FNGETOFFSETS *) get_offsets; \
215	R3PTRTYPE(FNGETRESOLUTION *) get_resolution; \
216	VGA_STATE_COMMON_BOCHS_VBE \
217	/* display refresh support */ \
218	uint32_t font_offsets[2]; \
219	int32_t graphic_mode; \
220	uint8_t shift_control; \
221	uint8_t double_scan; \
222	uint8_t padding1[2]; \
223	uint32_t line_offset; \
224	uint32_t line_compare; \
225	uint32_t start_addr; \
226	uint32_t plane_updated; \
227	uint8_t last_cw, last_ch, padding2[2]; \
228	uint32_t last_width, last_height; /* in chars or pixels */ \
229	uint32_t last_scr_width, last_scr_height; /* in pixels */ \
230	uint32_t last_bpp; \
231	uint8_t cursor_start, cursor_end, padding3[2]; \
232	uint32_t cursor_offset; \
233	uint32_t padding4; \
234	R3PTRTYPE(FNRGBTOPIXEL *) rgb_to_pixel; \
235	/* hardware mouse cursor support */ \
236	uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \
237	R3PTRTYPE(FNCURSORINVALIDATE *) cursor_invalidate; \
238	R3PTRTYPE(FNCURSORDRAWLINE *) cursor_draw_line; \
239	/* tell for each page if it has been updated since the last time */ \
240	uint32_t last_palette[256]; \
241	uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */
242
243	#endif /* VBOX */
244
245	typedef struct VGAState {
246	VGA_STATE_COMMON
247	#ifdef VBOX
248	/** end-of-common-state-marker */
249	uint32_t u32Marker;
250	/** The physical address the VRAM was assigned. */
251	RTGCPHYS32 GCPhysVRAM;
252	/** The R0 vram pointer... */
253	R0PTRTYPE(uint8_t *) vram_ptrR0;
254	/** Pointer to the GC vram mapping. */
255	RCPTRTYPE(uint8_t *) vram_ptrRC;
256	/** LFB was updated flag. */
257	bool fLFBUpdated;
258	/** Indicates if the GC extensions are enabled or not. */
259	bool fGCEnabled;
260	/** Indicates if the R0 extensions are enabled or not. */
261	bool fR0Enabled;
262	/** Flag indicating that there are dirty bits. This is used to optimize the handler resetting. */
263	bool fHasDirtyBits;
264	/** Flag indicating that the VGA memory in the 0xa0000-0xbffff region has been remapped to allow direct access. */
265	bool fRemappedVGA;
266	/** Whether to render the guest VRAM to the framebuffer memory. False only for some LFB modes. */
267	bool fRenderVRAM;
268	bool padding9[2];
269
270	/** Current refresh timer interval. */
271	uint32_t cMilliesRefreshInterval;
272	/** Refresh timer handle - HC. */
273	PTMTIMERR3 RefreshTimer;
274
275	/** Bitmap tracking dirty pages. */
276	uint32_t au32DirtyBitmap[VGA_VRAM_MAX / PAGE_SIZE / 32];
277	/** Pointer to vgaGCLFBAccessHandler(). */
278	RTRCPTR RCPtrLFBHandler;
279	/** Pointer to the device instance - RC Ptr. */
280	PPDMDEVINSRC pDevInsRC;
281	/** Pointer to the device instance - R3 Ptr. */
282	PPDMDEVINSR3 pDevInsR3;
283	/** Pointer to the device instance - R0 Ptr. */
284	PPDMDEVINSR0 pDevInsR0;
285
286	/** The display port base interface. */
287	PDMIBASE Base;
288	/** The display port interface. */
289	PDMIDISPLAYPORT Port;
290	/** Pointer to base interface of the driver. */
291	R3PTRTYPE(PPDMIBASE) pDrvBase;
292	/** Pointer to display connector interface of the driver. */
293	R3PTRTYPE(PPDMIDISPLAYCONNECTOR) pDrv;
294
295	/** The PCI device. */
296	PCIDEVICE Dev;
297
298	STAMPROFILE StatRZMemoryRead;
299	STAMPROFILE StatR3MemoryRead;
300	STAMPROFILE StatRZMemoryWrite;
301	STAMPROFILE StatR3MemoryWrite;
302
303	/* Keep track of ring 0 latched accesses to the VGA MMIO memory. */
304	uint64_t u64LastLatchedAccess;
305	uint32_t cLatchAccesses;
306
307	#ifdef VBE_BYTEWISE_IO
308	/** VBE read/write data/index flags */
309	uint8_t fReadVBEData;
310	uint8_t fWriteVBEData;
311	uint8_t fReadVBEIndex;
312	uint8_t fWriteVBEIndex;
313	/** VBE write data/index one byte buffer */
314	uint8_t cbWriteVBEData;
315	uint8_t cbWriteVBEIndex;
316	# ifdef VBE_NEW_DYN_LIST
317	/** VBE Extra Data write address one byte buffer */
318	uint8_t cbWriteVBEExtraAddress;
319	uint8_t Padding6; /*< Alignment padding. /
320	# else
321	uint8_t Padding6[2]; /*< Alignment padding. /
322	# endif
323	#endif
324
325	#ifdef VBE_NEW_DYN_LIST
326	/** The VBE BIOS extra data. */
327	R3PTRTYPE(uint8_t *) pu8VBEExtraData;
328	/** The size of the VBE BIOS extra data. */
329	uint16_t cbVBEExtraData;
330	/** The VBE BIOS current memory address. */
331	uint16_t u16VBEExtraAddress;
332	uint16_t Padding7[2]; /*< Alignment padding. /
333	#endif
334	/** Current logo data offset. */
335	uint32_t offLogoData;
336	/** The size of the BIOS logo data. */
337	uint32_t cbLogo;
338	/** The BIOS logo data. */
339	R3PTRTYPE(uint8_t *) pu8Logo;
340	/** The name of the logo file. */
341	R3PTRTYPE(char *) pszLogoFile;
342	/** Bitmap image data. */
343	R3PTRTYPE(uint8_t *) pu8LogoBitmap;
344	/** Current logo command. */
345	uint16_t LogoCommand;
346	/** Bitmap width. */
347	uint16_t cxLogo;
348	/** Bitmap height. */
349	uint16_t cyLogo;
350	/** Bitmap planes. */
351	uint16_t cLogoPlanes;
352	/** Bitmap depth. */
353	uint16_t cLogoBits;
354	/** Bitmap compression. */
355	uint16_t LogoCompression;
356	/** Bitmap colors used. */
357	uint16_t cLogoUsedColors;
358	/** Palette size. */
359	uint16_t cLogoPalEntries;
360	/** Clear screen flag. */
361	uint8_t fLogoClearScreen;
362	uint8_t Padding8[7]; /*< Alignment padding. /
363	/** Palette data. */
364	uint32_t au32LogoPalette[256];
365	#endif /* VBOX */
366	} VGAState;
367	#ifdef VBOX
368	/** VGA state. */
369	typedef VGAState VGASTATE;
370	/** Pointer to the VGA state. */
371	typedef VGASTATE *PVGASTATE;
372	#endif
373
374	#ifdef VBE_NEW_DYN_LIST
375	/**
376	* VBE Bios Extra Data structure.
377	* @remark duplicated in vbe.h.
378	*/
379	typedef struct VBEHeader
380	{
381	/** Signature (VBEHEADER_MAGIC). */
382	uint16_t u16Signature;
383	/** Data size. */
384	uint16_t cbData;
385	} VBEHeader;
386
387	/** VBE Extra Data. */
388	typedef VBEHeader VBEHEADER;
389	/** Pointer to the VBE Extra Data. */
390	typedef VBEHEADER *PVBEHEADER;
391
392	/** The value of the VBEHEADER::u16Signature field.
393	* @remark duplicated in vbe.h. */
394	#define VBEHEADER_MAGIC 0x77CC
395
396	/** The extra port which is used to read the mode list.
397	* @remark duplicated in vbe.h. */
398	#define VBE_EXTRA_PORT 0x3b6
399
400	/** The extra port which is used for debug printf.
401	* @remark duplicated in vbe.h. */
402	#define VBE_PRINTF_PORT 0x3b7
403
404	#endif /* VBE_NEW_DYN_LIST */
405
406	#if !defined(VBOX) \|\| defined(IN_RING3)
407	static inline int c6_to_8(int v)
408	{
409	int b;
410	v &= 0x3f;
411	b = v & 1;
412	return (v << 2) \| (b << 1) \| b;
413	}
414	#endif /* !VBOX \|\| IN_RING3 */
415
416	#ifndef VBOX
417	void vga_common_init(VGAState s, DisplayState ds, uint8_t *vga_ram_base,
418	unsigned long vga_ram_offset, int vga_ram_size);
419	uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr);
420	void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val);
421	void vga_invalidate_scanlines(VGAState *s, int y1, int y2);
422
423	void vga_draw_cursor_line_8(uint8_t d1, const uint8_t src1,
424	int poffset, int w,
425	unsigned int color0, unsigned int color1,
426	unsigned int color_xor);
427	void vga_draw_cursor_line_16(uint8_t d1, const uint8_t src1,
428	int poffset, int w,
429	unsigned int color0, unsigned int color1,
430	unsigned int color_xor);
431	void vga_draw_cursor_line_32(uint8_t d1, const uint8_t src1,
432	int poffset, int w,
433	unsigned int color0, unsigned int color1,
434	unsigned int color_xor);
435
436	extern const uint8_t sr_mask[8];
437	extern const uint8_t gr_mask[16];
438	#endif /* !VBOX */
439

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source: vbox/trunk/src/VBox/Devices/Graphics/DevVGA.h@ 17297

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