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Replace tabs by 8 spaces. No code change, by Herve Poussineau.
[qemu/dscho.git] / hw / vmware_vga.c
blobe850952da1abb79f4b3c0d2bd398251abfef6738
1 /*
2 * QEMU VMware-SVGA "chipset".
3 *
4 * Copyright (c) 2007 Andrzej Zaborowski <balrog@zabor.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "vl.h"
25
26 #define VERBOSE
27 #define EMBED_STDVGA
28 #undef DIRECT_VRAM
29 #define HW_RECT_ACCEL
30 #define HW_FILL_ACCEL
31 #define HW_MOUSE_ACCEL
32
33 #ifdef EMBED_STDVGA
34 # include "vga_int.h"
35 #endif
36
37 struct vmsvga_state_s {
38 #ifdef EMBED_STDVGA
39 VGA_STATE_COMMON
40 #endif
41
42 int width;
43 int height;
44 int invalidated;
45 int depth;
46 int bypp;
47 int enable;
48 int config;
49 struct {
50 int id;
51 int x;
52 int y;
53 int on;
54 } cursor;
55
56 #ifndef EMBED_STDVGA
57 DisplayState *ds;
58 int vram_size;
59 #endif
60 uint8_t *vram;
61
62 int index;
63 int scratch_size;
64 uint32_t *scratch;
65 int new_width;
66 int new_height;
67 uint32_t guest;
68 uint32_t svgaid;
69 uint32_t wred;
70 uint32_t wgreen;
71 uint32_t wblue;
72 int syncing;
73 int fb_size;
74
75 union {
76 uint32_t *fifo;
77 struct __attribute__((__packed__)) {
78 uint32_t min;
79 uint32_t max;
80 uint32_t next_cmd;
81 uint32_t stop;
82 /* Add registers here when adding capabilities. */
83 uint32_t fifo[0];
84 } *cmd;
85 };
86
87 #define REDRAW_FIFO_LEN 512
88 struct vmsvga_rect_s {
89 int x, y, w, h;
90 } redraw_fifo[REDRAW_FIFO_LEN];
91 int redraw_fifo_first, redraw_fifo_last;
92 };
93
94 struct pci_vmsvga_state_s {
95 PCIDevice card;
96 struct vmsvga_state_s chip;
97 };
98
99 #define SVGA_MAGIC 0x900000UL
100 #define SVGA_MAKE_ID(ver) (SVGA_MAGIC << 8 | (ver))
101 #define SVGA_ID_0 SVGA_MAKE_ID(0)
102 #define SVGA_ID_1 SVGA_MAKE_ID(1)
103 #define SVGA_ID_2 SVGA_MAKE_ID(2)
104
105 #define SVGA_LEGACY_BASE_PORT 0x4560
106 #define SVGA_INDEX_PORT 0x0
107 #define SVGA_VALUE_PORT 0x1
108 #define SVGA_BIOS_PORT 0x2
109
110 #define SVGA_VERSION_2
111
112 #ifdef SVGA_VERSION_2
113 # define SVGA_ID SVGA_ID_2
114 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
115 # define SVGA_IO_MUL 1
116 # define SVGA_FIFO_SIZE 0x10000
117 # define SVGA_MEM_BASE 0xe0000000
118 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA2
119 #else
120 # define SVGA_ID SVGA_ID_1
121 # define SVGA_IO_BASE SVGA_LEGACY_BASE_PORT
122 # define SVGA_IO_MUL 4
123 # define SVGA_FIFO_SIZE 0x10000
124 # define SVGA_MEM_BASE 0xe0000000
125 # define SVGA_PCI_DEVICE_ID PCI_DEVICE_ID_VMWARE_SVGA
126 #endif
127
128 enum {
129 /* ID 0, 1 and 2 registers */
130 SVGA_REG_ID = 0,
131 SVGA_REG_ENABLE = 1,
132 SVGA_REG_WIDTH = 2,
133 SVGA_REG_HEIGHT = 3,
134 SVGA_REG_MAX_WIDTH = 4,
135 SVGA_REG_MAX_HEIGHT = 5,
136 SVGA_REG_DEPTH = 6,
137 SVGA_REG_BITS_PER_PIXEL = 7, /* Current bpp in the guest */
138 SVGA_REG_PSEUDOCOLOR = 8,
139 SVGA_REG_RED_MASK = 9,
140 SVGA_REG_GREEN_MASK = 10,
141 SVGA_REG_BLUE_MASK = 11,
142 SVGA_REG_BYTES_PER_LINE = 12,
143 SVGA_REG_FB_START = 13,
144 SVGA_REG_FB_OFFSET = 14,
145 SVGA_REG_VRAM_SIZE = 15,
146 SVGA_REG_FB_SIZE = 16,
147
148 /* ID 1 and 2 registers */
149 SVGA_REG_CAPABILITIES = 17,
150 SVGA_REG_MEM_START = 18, /* Memory for command FIFO */
151 SVGA_REG_MEM_SIZE = 19,
152 SVGA_REG_CONFIG_DONE = 20, /* Set when memory area configured */
153 SVGA_REG_SYNC = 21, /* Write to force synchronization */
154 SVGA_REG_BUSY = 22, /* Read to check if sync is done */
155 SVGA_REG_GUEST_ID = 23, /* Set guest OS identifier */
156 SVGA_REG_CURSOR_ID = 24, /* ID of cursor */
157 SVGA_REG_CURSOR_X = 25, /* Set cursor X position */
158 SVGA_REG_CURSOR_Y = 26, /* Set cursor Y position */
159 SVGA_REG_CURSOR_ON = 27, /* Turn cursor on/off */
160 SVGA_REG_HOST_BITS_PER_PIXEL = 28, /* Current bpp in the host */
161 SVGA_REG_SCRATCH_SIZE = 29, /* Number of scratch registers */
162 SVGA_REG_MEM_REGS = 30, /* Number of FIFO registers */
163 SVGA_REG_NUM_DISPLAYS = 31, /* Number of guest displays */
164 SVGA_REG_PITCHLOCK = 32, /* Fixed pitch for all modes */
165
166 SVGA_PALETTE_BASE = 1024, /* Base of SVGA color map */
167 SVGA_PALETTE_END = SVGA_PALETTE_BASE + 767,
168 SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
169 };
170
171 #define SVGA_CAP_NONE 0
172 #define SVGA_CAP_RECT_FILL (1 << 0)
173 #define SVGA_CAP_RECT_COPY (1 << 1)
174 #define SVGA_CAP_RECT_PAT_FILL (1 << 2)
175 #define SVGA_CAP_LEGACY_OFFSCREEN (1 << 3)
176 #define SVGA_CAP_RASTER_OP (1 << 4)
177 #define SVGA_CAP_CURSOR (1 << 5)
178 #define SVGA_CAP_CURSOR_BYPASS (1 << 6)
179 #define SVGA_CAP_CURSOR_BYPASS_2 (1 << 7)
180 #define SVGA_CAP_8BIT_EMULATION (1 << 8)
181 #define SVGA_CAP_ALPHA_CURSOR (1 << 9)
182 #define SVGA_CAP_GLYPH (1 << 10)
183 #define SVGA_CAP_GLYPH_CLIPPING (1 << 11)
184 #define SVGA_CAP_OFFSCREEN_1 (1 << 12)
185 #define SVGA_CAP_ALPHA_BLEND (1 << 13)
186 #define SVGA_CAP_3D (1 << 14)
187 #define SVGA_CAP_EXTENDED_FIFO (1 << 15)
188 #define SVGA_CAP_MULTIMON (1 << 16)
189 #define SVGA_CAP_PITCHLOCK (1 << 17)
190
191 /*
192 * FIFO offsets (seen as an array of 32-bit words)
193 */
194 enum {
195 /*
196 * The original defined FIFO offsets
197 */
198 SVGA_FIFO_MIN = 0,
199 SVGA_FIFO_MAX, /* The distance from MIN to MAX must be at least 10K */
200 SVGA_FIFO_NEXT_CMD,
201 SVGA_FIFO_STOP,
202
203 /*
204 * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
205 */
206 SVGA_FIFO_CAPABILITIES = 4,
207 SVGA_FIFO_FLAGS,
208 SVGA_FIFO_FENCE,
209 SVGA_FIFO_3D_HWVERSION,
210 SVGA_FIFO_PITCHLOCK,
211 };
212
213 #define SVGA_FIFO_CAP_NONE 0
214 #define SVGA_FIFO_CAP_FENCE (1 << 0)
215 #define SVGA_FIFO_CAP_ACCELFRONT (1 << 1)
216 #define SVGA_FIFO_CAP_PITCHLOCK (1 << 2)
217
218 #define SVGA_FIFO_FLAG_NONE 0
219 #define SVGA_FIFO_FLAG_ACCELFRONT (1 << 0)
220
221 /* These values can probably be changed arbitrarily. */
222 #define SVGA_SCRATCH_SIZE 0x8000
223 #define SVGA_MAX_WIDTH 2360
224 #define SVGA_MAX_HEIGHT 1770
225
226 #ifdef VERBOSE
227 # define GUEST_OS_BASE 0x5001
228 static const char *vmsvga_guest_id[] = {
229 [0x00 ... 0x15] = "an unknown OS",
230 [0x00] = "Dos",
231 [0x01] = "Windows 3.1",
232 [0x02] = "Windows 95",
233 [0x03] = "Windows 98",
234 [0x04] = "Windows ME",
235 [0x05] = "Windows NT",
236 [0x06] = "Windows 2000",
237 [0x07] = "Linux",
238 [0x08] = "OS/2",
239 [0x0a] = "BSD",
240 [0x0b] = "Whistler",
241 [0x15] = "Windows 2003",
242 };
243 #endif
244
245 enum {
246 SVGA_CMD_INVALID_CMD = 0,
247 SVGA_CMD_UPDATE = 1,
248 SVGA_CMD_RECT_FILL = 2,
249 SVGA_CMD_RECT_COPY = 3,
250 SVGA_CMD_DEFINE_BITMAP = 4,
251 SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
252 SVGA_CMD_DEFINE_PIXMAP = 6,
253 SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
254 SVGA_CMD_RECT_BITMAP_FILL = 8,
255 SVGA_CMD_RECT_PIXMAP_FILL = 9,
256 SVGA_CMD_RECT_BITMAP_COPY = 10,
257 SVGA_CMD_RECT_PIXMAP_COPY = 11,
258 SVGA_CMD_FREE_OBJECT = 12,
259 SVGA_CMD_RECT_ROP_FILL = 13,
260 SVGA_CMD_RECT_ROP_COPY = 14,
261 SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
262 SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
263 SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
264 SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
265 SVGA_CMD_DEFINE_CURSOR = 19,
266 SVGA_CMD_DISPLAY_CURSOR = 20,
267 SVGA_CMD_MOVE_CURSOR = 21,
268 SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
269 SVGA_CMD_DRAW_GLYPH = 23,
270 SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
271 SVGA_CMD_UPDATE_VERBOSE = 25,
272 SVGA_CMD_SURFACE_FILL = 26,
273 SVGA_CMD_SURFACE_COPY = 27,
274 SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
275 SVGA_CMD_FRONT_ROP_FILL = 29,
276 SVGA_CMD_FENCE = 30,
277 };
278
279 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
280 enum {
281 SVGA_CURSOR_ON_HIDE = 0,
282 SVGA_CURSOR_ON_SHOW = 1,
283 SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
284 SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
285 };
286
287 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
288 int x, int y, int w, int h)
289 {
290 #ifndef DIRECT_VRAM
291 int line = h;
292 int bypl = s->bypp * s->width;
293 int width = s->bypp * w;
294 int start = s->bypp * x + bypl * y;
295 uint8_t *src = s->vram + start;
296 uint8_t *dst = s->ds->data + start;
297
298 for (; line > 0; line --, src += bypl, dst += bypl)
299 memcpy(dst, src, width);
300 #endif
301
302 dpy_update(s->ds, x, y, w, h);
303 }
304
305 static inline void vmsvga_update_screen(struct vmsvga_state_s *s)
306 {
307 #ifndef DIRECT_VRAM
308 memcpy(s->ds->data, s->vram, s->bypp * s->width * s->height);
309 #endif
310
311 dpy_update(s->ds, 0, 0, s->width, s->height);
312 }
313
314 #ifdef DIRECT_VRAM
315 # define vmsvga_update_rect_delayed vmsvga_update_rect
316 #else
317 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
318 int x, int y, int w, int h)
319 {
320 struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last ++];
321 s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
322 rect->x = x;
323 rect->y = y;
324 rect->w = w;
325 rect->h = h;
326 }
327 #endif
328
329 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
330 {
331 struct vmsvga_rect_s *rect;
332 if (s->invalidated) {
333 s->redraw_fifo_first = s->redraw_fifo_last;
334 return;
335 }
336 /* Overlapping region updates can be optimised out here - if someone
337 * knows a smart algorithm to do that, please share. */
338 while (s->redraw_fifo_first != s->redraw_fifo_last) {
339 rect = &s->redraw_fifo[s->redraw_fifo_first ++];
340 s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
341 vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
342 }
343 }
344
345 #ifdef HW_RECT_ACCEL
346 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
347 int x0, int y0, int x1, int y1, int w, int h)
348 {
349 # ifdef DIRECT_VRAM
350 uint8_t *vram = s->ds->data;
351 # else
352 uint8_t *vram = s->vram;
353 # endif
354 int bypl = s->bypp * s->width;
355 int width = s->bypp * w;
356 int line = h;
357 uint8_t *ptr[2];
358
359 # ifdef DIRECT_VRAM
360 if (s->ds->dpy_copy)
361 s->ds->dpy_copy(s->ds, x0, y0, x1, y1, w, h);
362 else
363 # endif
364 {
365 if (y1 > y0) {
366 ptr[0] = vram + s->bypp * x0 + bypl * (y0 + h - 1);
367 ptr[1] = vram + s->bypp * x1 + bypl * (y1 + h - 1);
368 for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl)
369 memmove(ptr[1], ptr[0], width);
370 } else {
371 ptr[0] = vram + s->bypp * x0 + bypl * y0;
372 ptr[1] = vram + s->bypp * x1 + bypl * y1;
373 for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl)
374 memmove(ptr[1], ptr[0], width);
375 }
376 }
377
378 vmsvga_update_rect_delayed(s, x1, y1, w, h);
379 }
380 #endif
381
382 #ifdef HW_FILL_ACCEL
383 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
384 uint32_t c, int x, int y, int w, int h)
385 {
386 # ifdef DIRECT_VRAM
387 uint8_t *vram = s->ds->data;
388 # else
389 uint8_t *vram = s->vram;
390 # endif
391 int bypp = s->bypp;
392 int bypl = bypp * s->width;
393 int width = bypp * w;
394 int line = h;
395 int column;
396 uint8_t *fst = vram + bypp * x + bypl * y;
397 uint8_t *dst;
398 uint8_t *src;
399 uint8_t col[4];
400
401 # ifdef DIRECT_VRAM
402 if (s->ds->dpy_fill)
403 s->ds->dpy_fill(s->ds, x, y, w, h, c);
404 else
405 # endif
406 {
407 col[0] = c;
408 col[1] = c >> 8;
409 col[2] = c >> 16;
410 col[3] = c >> 24;
411
412 if (line --) {
413 dst = fst;
414 src = col;
415 for (column = width; column > 0; column --) {
416 *(dst ++) = *(src ++);
417 if (src - col == bypp)
418 src = col;
419 }
420 dst = fst;
421 for (; line > 0; line --) {
422 dst += bypl;
423 memcpy(dst, fst, width);
424 }
425 }
426 }
427
428 vmsvga_update_rect_delayed(s, x, y, w, h);
429 }
430 #endif
431
432 struct vmsvga_cursor_definition_s {
433 int width;
434 int height;
435 int id;
436 int bpp;
437 int hot_x;
438 int hot_y;
439 uint32_t mask[1024];
440 uint32_t image[1024];
441 };
442
443 #define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h))
444 #define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h))
445
446 #ifdef HW_MOUSE_ACCEL
447 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
448 struct vmsvga_cursor_definition_s *c)
449 {
450 int i;
451 for (i = SVGA_BITMAP_SIZE(c->width, c->height) - 1; i >= 0; i --)
452 c->mask[i] = ~c->mask[i];
453
454 if (s->ds->cursor_define)
455 s->ds->cursor_define(c->width, c->height, c->bpp, c->hot_x, c->hot_y,
456 (uint8_t *) c->image, (uint8_t *) c->mask);
457 }
458 #endif
459
460 static inline int vmsvga_fifo_empty(struct vmsvga_state_s *s)
461 {
462 if (!s->config || !s->enable)
463 return 1;
464 return (s->cmd->next_cmd == s->cmd->stop);
465 }
466
467 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
468 {
469 uint32_t cmd = s->fifo[s->cmd->stop >> 2];
470 s->cmd->stop += 4;
471 if (s->cmd->stop >= s->cmd->max)
472 s->cmd->stop = s->cmd->min;
473 return cmd;
474 }
475
476 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
477 {
478 uint32_t cmd, colour;
479 int args = 0;
480 int x, y, dx, dy, width, height;
481 struct vmsvga_cursor_definition_s cursor;
482 while (!vmsvga_fifo_empty(s))
483 switch (cmd = vmsvga_fifo_read(s)) {
484 case SVGA_CMD_UPDATE:
485 case SVGA_CMD_UPDATE_VERBOSE:
486 x = vmsvga_fifo_read(s);
487 y = vmsvga_fifo_read(s);
488 width = vmsvga_fifo_read(s);
489 height = vmsvga_fifo_read(s);
490 vmsvga_update_rect_delayed(s, x, y, width, height);
491 break;
492
493 case SVGA_CMD_RECT_FILL:
494 colour = vmsvga_fifo_read(s);
495 x = vmsvga_fifo_read(s);
496 y = vmsvga_fifo_read(s);
497 width = vmsvga_fifo_read(s);
498 height = vmsvga_fifo_read(s);
499 #ifdef HW_FILL_ACCEL
500 vmsvga_fill_rect(s, colour, x, y, width, height);
501 break;
502 #else
503 goto badcmd;
504 #endif
505
506 case SVGA_CMD_RECT_COPY:
507 x = vmsvga_fifo_read(s);
508 y = vmsvga_fifo_read(s);
509 dx = vmsvga_fifo_read(s);
510 dy = vmsvga_fifo_read(s);
511 width = vmsvga_fifo_read(s);
512 height = vmsvga_fifo_read(s);
513 #ifdef HW_RECT_ACCEL
514 vmsvga_copy_rect(s, x, y, dx, dy, width, height);
515 break;
516 #else
517 goto badcmd;
518 #endif
519
520 case SVGA_CMD_DEFINE_CURSOR:
521 cursor.id = vmsvga_fifo_read(s);
522 cursor.hot_x = vmsvga_fifo_read(s);
523 cursor.hot_y = vmsvga_fifo_read(s);
524 cursor.width = x = vmsvga_fifo_read(s);
525 cursor.height = y = vmsvga_fifo_read(s);
526 vmsvga_fifo_read(s);
527 cursor.bpp = vmsvga_fifo_read(s);
528 for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args ++)
529 cursor.mask[args] = vmsvga_fifo_read(s);
530 for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args ++)
531 cursor.image[args] = vmsvga_fifo_read(s);
532 #ifdef HW_MOUSE_ACCEL
533 vmsvga_cursor_define(s, &cursor);
534 break;
535 #else
536 args = 0;
537 goto badcmd;
538 #endif
539
540 /*
541 * Other commands that we at least know the number of arguments
542 * for so we can avoid FIFO desync if driver uses them illegally.
543 */
544 case SVGA_CMD_DEFINE_ALPHA_CURSOR:
545 vmsvga_fifo_read(s);
546 vmsvga_fifo_read(s);
547 vmsvga_fifo_read(s);
548 x = vmsvga_fifo_read(s);
549 y = vmsvga_fifo_read(s);
550 args = x * y;
551 goto badcmd;
552 case SVGA_CMD_RECT_ROP_FILL:
553 args = 6;
554 goto badcmd;
555 case SVGA_CMD_RECT_ROP_COPY:
556 args = 7;
557 goto badcmd;
558 case SVGA_CMD_DRAW_GLYPH_CLIPPED:
559 vmsvga_fifo_read(s);
560 vmsvga_fifo_read(s);
561 args = 7 + (vmsvga_fifo_read(s) >> 2);
562 goto badcmd;
563 case SVGA_CMD_SURFACE_ALPHA_BLEND:
564 args = 12;
565 goto badcmd;
566
567 /*
568 * Other commands that are not listed as depending on any
569 * CAPABILITIES bits, but are not described in the README either.
570 */
571 case SVGA_CMD_SURFACE_FILL:
572 case SVGA_CMD_SURFACE_COPY:
573 case SVGA_CMD_FRONT_ROP_FILL:
574 case SVGA_CMD_FENCE:
575 case SVGA_CMD_INVALID_CMD:
576 break; /* Nop */
577
578 default:
579 badcmd:
580 while (args --)
581 vmsvga_fifo_read(s);
582 printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
583 __FUNCTION__, cmd);
584 break;
585 }
586
587 s->syncing = 0;
588 }
589
590 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
591 {
592 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
593 return s->index;
594 }
595
596 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
597 {
598 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
599 s->index = index;
600 }
601
602 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
603 {
604 uint32_t caps;
605 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
606 switch (s->index) {
607 case SVGA_REG_ID:
608 return s->svgaid;
609
610 case SVGA_REG_ENABLE:
611 return s->enable;
612
613 case SVGA_REG_WIDTH:
614 return s->width;
615
616 case SVGA_REG_HEIGHT:
617 return s->height;
618
619 case SVGA_REG_MAX_WIDTH:
620 return SVGA_MAX_WIDTH;
621
622 case SVGA_REG_MAX_HEIGHT:
623 return SVGA_MAX_HEIGHT;
624
625 case SVGA_REG_DEPTH:
626 return s->depth;
627
628 case SVGA_REG_BITS_PER_PIXEL:
629 return (s->depth + 7) & ~7;
630
631 case SVGA_REG_PSEUDOCOLOR:
632 return 0x0;
633
634 case SVGA_REG_RED_MASK:
635 return s->wred;
636 case SVGA_REG_GREEN_MASK:
637 return s->wgreen;
638 case SVGA_REG_BLUE_MASK:
639 return s->wblue;
640
641 case SVGA_REG_BYTES_PER_LINE:
642 return ((s->depth + 7) >> 3) * s->new_width;
643
644 case SVGA_REG_FB_START:
645 return SVGA_MEM_BASE;
646
647 case SVGA_REG_FB_OFFSET:
648 return 0x0;
649
650 case SVGA_REG_VRAM_SIZE:
651 return s->vram_size - SVGA_FIFO_SIZE;
652
653 case SVGA_REG_FB_SIZE:
654 return s->fb_size;
655
656 case SVGA_REG_CAPABILITIES:
657 caps = SVGA_CAP_NONE;
658 #ifdef HW_RECT_ACCEL
659 caps |= SVGA_CAP_RECT_COPY;
660 #endif
661 #ifdef HW_FILL_ACCEL
662 caps |= SVGA_CAP_RECT_FILL;
663 #endif
664 #ifdef HW_MOUSE_ACCEL
665 if (s->ds->mouse_set)
666 caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
667 SVGA_CAP_CURSOR_BYPASS;
668 #endif
669 return caps;
670
671 case SVGA_REG_MEM_START:
672 return SVGA_MEM_BASE + s->vram_size - SVGA_FIFO_SIZE;
673
674 case SVGA_REG_MEM_SIZE:
675 return SVGA_FIFO_SIZE;
676
677 case SVGA_REG_CONFIG_DONE:
678 return s->config;
679
680 case SVGA_REG_SYNC:
681 case SVGA_REG_BUSY:
682 return s->syncing;
683
684 case SVGA_REG_GUEST_ID:
685 return s->guest;
686
687 case SVGA_REG_CURSOR_ID:
688 return s->cursor.id;
689
690 case SVGA_REG_CURSOR_X:
691 return s->cursor.x;
692
693 case SVGA_REG_CURSOR_Y:
694 return s->cursor.x;
695
696 case SVGA_REG_CURSOR_ON:
697 return s->cursor.on;
698
699 case SVGA_REG_HOST_BITS_PER_PIXEL:
700 return (s->depth + 7) & ~7;
701
702 case SVGA_REG_SCRATCH_SIZE:
703 return s->scratch_size;
704
705 case SVGA_REG_MEM_REGS:
706 case SVGA_REG_NUM_DISPLAYS:
707 case SVGA_REG_PITCHLOCK:
708 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
709 return 0;
710
711 default:
712 if (s->index >= SVGA_SCRATCH_BASE &&
713 s->index < SVGA_SCRATCH_BASE + s->scratch_size)
714 return s->scratch[s->index - SVGA_SCRATCH_BASE];
715 printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
716 }
717
718 return 0;
719 }
720
721 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
722 {
723 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
724 switch (s->index) {
725 case SVGA_REG_ID:
726 if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0)
727 s->svgaid = value;
728 break;
729
730 case SVGA_REG_ENABLE:
731 s->enable = value;
732 s->config &= !!value;
733 s->width = -1;
734 s->height = -1;
735 s->invalidated = 1;
736 #ifdef EMBED_STDVGA
737 s->invalidate(opaque);
738 #endif
739 if (s->enable)
740 s->fb_size = ((s->depth + 7) >> 3) * s->new_width * s->new_height;
741 break;
742
743 case SVGA_REG_WIDTH:
744 s->new_width = value;
745 s->invalidated = 1;
746 break;
747
748 case SVGA_REG_HEIGHT:
749 s->new_height = value;
750 s->invalidated = 1;
751 break;
752
753 case SVGA_REG_DEPTH:
754 case SVGA_REG_BITS_PER_PIXEL:
755 if (value != s->depth) {
756 printf("%s: Bad colour depth: %i bits\n", __FUNCTION__, value);
757 s->config = 0;
758 }
759 break;
760
761 case SVGA_REG_CONFIG_DONE:
762 if (value) {
763 s->fifo = (uint32_t *) &s->vram[s->vram_size - SVGA_FIFO_SIZE];
764 /* Check range and alignment. */
765 if ((s->cmd->min | s->cmd->max |
766 s->cmd->next_cmd | s->cmd->stop) & 3)
767 break;
768 if (s->cmd->min < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo)
769 break;
770 if (s->cmd->max > SVGA_FIFO_SIZE)
771 break;
772 if (s->cmd->max < s->cmd->min + 10 * 1024)
773 break;
774 }
775 s->config = !!value;
776 break;
777
778 case SVGA_REG_SYNC:
779 s->syncing = 1;
780 vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
781 break;
782
783 case SVGA_REG_GUEST_ID:
784 s->guest = value;
785 #ifdef VERBOSE
786 if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
787 sizeof(vmsvga_guest_id) / sizeof(*vmsvga_guest_id))
788 printf("%s: guest runs %s.\n", __FUNCTION__,
789 vmsvga_guest_id[value - GUEST_OS_BASE]);
790 #endif
791 break;
792
793 case SVGA_REG_CURSOR_ID:
794 s->cursor.id = value;
795 break;
796
797 case SVGA_REG_CURSOR_X:
798 s->cursor.x = value;
799 break;
800
801 case SVGA_REG_CURSOR_Y:
802 s->cursor.y = value;
803 break;
804
805 case SVGA_REG_CURSOR_ON:
806 s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
807 s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
808 #ifdef HW_MOUSE_ACCEL
809 if (s->ds->mouse_set && value <= SVGA_CURSOR_ON_SHOW)
810 s->ds->mouse_set(s->cursor.x, s->cursor.y, s->cursor.on);
811 #endif
812 break;
813
814 case SVGA_REG_MEM_REGS:
815 case SVGA_REG_NUM_DISPLAYS:
816 case SVGA_REG_PITCHLOCK:
817 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
818 break;
819
820 default:
821 if (s->index >= SVGA_SCRATCH_BASE &&
822 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
823 s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
824 break;
825 }
826 printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
827 }
828 }
829
830 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
831 {
832 printf("%s: what are we supposed to return?\n", __FUNCTION__);
833 return 0xcafe;
834 }
835
836 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
837 {
838 printf("%s: what are we supposed to do with (%08x)?\n",
839 __FUNCTION__, data);
840 }
841
842 static inline void vmsvga_size(struct vmsvga_state_s *s)
843 {
844 if (s->new_width != s->width || s->new_height != s->height) {
845 s->width = s->new_width;
846 s->height = s->new_height;
847 dpy_resize(s->ds, s->width, s->height);
848 s->invalidated = 1;
849 }
850 }
851
852 static void vmsvga_update_display(void *opaque)
853 {
854 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
855 if (!s->enable) {
856 #ifdef EMBED_STDVGA
857 s->update(opaque);
858 #endif
859 return;
860 }
861
862 vmsvga_size(s);
863
864 vmsvga_fifo_run(s);
865 vmsvga_update_rect_flush(s);
866
867 /*
868 * Is it more efficient to look at vram VGA-dirty bits or wait
869 * for the driver to issue SVGA_CMD_UPDATE?
870 */
871 if (s->invalidated) {
872 s->invalidated = 0;
873 vmsvga_update_screen(s);
874 }
875 }
876
877 static void vmsvga_reset(struct vmsvga_state_s *s)
878 {
879 s->index = 0;
880 s->enable = 0;
881 s->config = 0;
882 s->width = -1;
883 s->height = -1;
884 s->svgaid = SVGA_ID;
885 s->depth = s->ds->depth ? s->ds->depth : 24;
886 s->bypp = (s->depth + 7) >> 3;
887 s->cursor.on = 0;
888 s->redraw_fifo_first = 0;
889 s->redraw_fifo_last = 0;
890 switch (s->depth) {
891 case 8:
892 s->wred = 0x00000007;
893 s->wgreen = 0x00000038;
894 s->wblue = 0x000000c0;
895 break;
896 case 15:
897 s->wred = 0x0000001f;
898 s->wgreen = 0x000003e0;
899 s->wblue = 0x00007c00;
900 break;
901 case 16:
902 s->wred = 0x0000001f;
903 s->wgreen = 0x000007e0;
904 s->wblue = 0x0000f800;
905 break;
906 case 24:
907 s->wred = 0x00ff0000;
908 s->wgreen = 0x0000ff00;
909 s->wblue = 0x000000ff;
910 break;
911 case 32:
912 s->wred = 0x00ff0000;
913 s->wgreen = 0x0000ff00;
914 s->wblue = 0x000000ff;
915 break;
916 }
917 s->syncing = 0;
918 }
919
920 static void vmsvga_invalidate_display(void *opaque)
921 {
922 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
923 if (!s->enable) {
924 #ifdef EMBED_STDVGA
925 s->invalidate(opaque);
926 #endif
927 return;
928 }
929
930 s->invalidated = 1;
931 }
932
933 /* save the vga display in a PPM image even if no display is
934 available */
935 static void vmsvga_screen_dump(void *opaque, const char *filename)
936 {
937 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
938 if (!s->enable) {
939 #ifdef EMBED_STDVGA
940 s->screen_dump(opaque, filename);
941 #endif
942 return;
943 }
944
945 if (s->depth == 32) {
946 ppm_save(filename, s->vram, s->width, s->height, s->ds->linesize);
947 }
948 }
949
950 #ifdef DIRECT_VRAM
951 static uint32_t vmsvga_vram_readb(void *opaque, target_phys_addr_t addr)
952 {
953 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
954 addr -= SVGA_MEM_BASE;
955 if (addr < s->fb_size)
956 return *(uint8_t *) (s->ds->data + addr);
957 else
958 return *(uint8_t *) (s->vram + addr);
959 }
960
961 static uint32_t vmsvga_vram_readw(void *opaque, target_phys_addr_t addr)
962 {
963 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
964 addr -= SVGA_MEM_BASE;
965 if (addr < s->fb_size)
966 return *(uint16_t *) (s->ds->data + addr);
967 else
968 return *(uint16_t *) (s->vram + addr);
969 }
970
971 static uint32_t vmsvga_vram_readl(void *opaque, target_phys_addr_t addr)
972 {
973 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
974 addr -= SVGA_MEM_BASE;
975 if (addr < s->fb_size)
976 return *(uint32_t *) (s->ds->data + addr);
977 else
978 return *(uint32_t *) (s->vram + addr);
979 }
980
981 static void vmsvga_vram_writeb(void *opaque, target_phys_addr_t addr,
982 uint32_t value)
983 {
984 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
985 addr -= SVGA_MEM_BASE;
986 if (addr < s->fb_size)
987 *(uint8_t *) (s->ds->data + addr) = value;
988 else
989 *(uint8_t *) (s->vram + addr) = value;
990 }
991
992 static void vmsvga_vram_writew(void *opaque, target_phys_addr_t addr,
993 uint32_t value)
994 {
995 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
996 addr -= SVGA_MEM_BASE;
997 if (addr < s->fb_size)
998 *(uint16_t *) (s->ds->data + addr) = value;
999 else
1000 *(uint16_t *) (s->vram + addr) = value;
1001 }
1002
1003 static void vmsvga_vram_writel(void *opaque, target_phys_addr_t addr,
1004 uint32_t value)
1005 {
1006 struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1007 addr -= SVGA_MEM_BASE;
1008 if (addr < s->fb_size)
1009 *(uint32_t *) (s->ds->data + addr) = value;
1010 else
1011 *(uint32_t *) (s->vram + addr) = value;
1012 }
1013
1014 static CPUReadMemoryFunc *vmsvga_vram_read[] = {
1015 vmsvga_vram_readb,
1016 vmsvga_vram_readw,
1017 vmsvga_vram_readl,
1018 };
1019
1020 static CPUWriteMemoryFunc *vmsvga_vram_write[] = {
1021 vmsvga_vram_writeb,
1022 vmsvga_vram_writew,
1023 vmsvga_vram_writel,
1024 };
1025 #endif
1026
1027 static void vmsvga_save(struct vmsvga_state_s *s, QEMUFile *f)
1028 {
1029 qemu_put_be32s(f, &s->depth);
1030 qemu_put_be32s(f, &s->enable);
1031 qemu_put_be32s(f, &s->config);
1032 qemu_put_be32s(f, &s->cursor.id);
1033 qemu_put_be32s(f, &s->cursor.x);
1034 qemu_put_be32s(f, &s->cursor.y);
1035 qemu_put_be32s(f, &s->cursor.on);
1036 qemu_put_be32s(f, &s->index);
1037 qemu_put_buffer(f, (uint8_t *) s->scratch, s->scratch_size * 4);
1038 qemu_put_be32s(f, &s->new_width);
1039 qemu_put_be32s(f, &s->new_height);
1040 qemu_put_be32s(f, &s->guest);
1041 qemu_put_be32s(f, &s->svgaid);
1042 qemu_put_be32s(f, &s->syncing);
1043 qemu_put_be32s(f, &s->fb_size);
1044 }
1045
1046 static int vmsvga_load(struct vmsvga_state_s *s, QEMUFile *f)
1047 {
1048 int depth;
1049 qemu_get_be32s(f, &depth);
1050 qemu_get_be32s(f, &s->enable);
1051 qemu_get_be32s(f, &s->config);
1052 qemu_get_be32s(f, &s->cursor.id);
1053 qemu_get_be32s(f, &s->cursor.x);
1054 qemu_get_be32s(f, &s->cursor.y);
1055 qemu_get_be32s(f, &s->cursor.on);
1056 qemu_get_be32s(f, &s->index);
1057 qemu_get_buffer(f, (uint8_t *) s->scratch, s->scratch_size * 4);
1058 qemu_get_be32s(f, &s->new_width);
1059 qemu_get_be32s(f, &s->new_height);
1060 qemu_get_be32s(f, &s->guest);
1061 qemu_get_be32s(f, &s->svgaid);
1062 qemu_get_be32s(f, &s->syncing);
1063 qemu_get_be32s(f, &s->fb_size);
1064
1065 if (s->enable && depth != s->depth) {
1066 printf("%s: need colour depth of %i bits to resume operation.\n",
1067 __FUNCTION__, depth);
1068 return -EINVAL;
1069 }
1070
1071 s->invalidated = 1;
1072 if (s->config)
1073 s->fifo = (uint32_t *) &s->vram[s->vram_size - SVGA_FIFO_SIZE];
1074
1075 return 0;
1076 }
1077
1078 static void vmsvga_init(struct vmsvga_state_s *s, DisplayState *ds,
1079 uint8_t *vga_ram_base, unsigned long vga_ram_offset,
1080 int vga_ram_size)
1081 {
1082 int iomemtype;
1083 s->ds = ds;
1084 s->vram = vga_ram_base;
1085 s->vram_size = vga_ram_size;
1086
1087 s->scratch_size = SVGA_SCRATCH_SIZE;
1088 s->scratch = (uint32_t *) qemu_malloc(s->scratch_size * 4);
1089
1090 vmsvga_reset(s);
1091
1092 #ifdef DIRECT_VRAM
1093 iomemtype = cpu_register_io_memory(0, vmsvga_vram_read,
1094 vmsvga_vram_write, s);
1095 #else
1096 iomemtype = vga_ram_offset | IO_MEM_RAM;
1097 #endif
1098 cpu_register_physical_memory(SVGA_MEM_BASE, vga_ram_size,
1099 iomemtype);
1100
1101 register_ioport_read(SVGA_IO_BASE + SVGA_IO_MUL * SVGA_INDEX_PORT,
1102 1, 4, vmsvga_index_read, s);
1103 register_ioport_write(SVGA_IO_BASE + SVGA_IO_MUL * SVGA_INDEX_PORT,
1104 1, 4, vmsvga_index_write, s);
1105 register_ioport_read(SVGA_IO_BASE + SVGA_IO_MUL * SVGA_VALUE_PORT,
1106 1, 4, vmsvga_value_read, s);
1107 register_ioport_write(SVGA_IO_BASE + SVGA_IO_MUL * SVGA_VALUE_PORT,
1108 1, 4, vmsvga_value_write, s);
1109 register_ioport_read(SVGA_IO_BASE + SVGA_IO_MUL * SVGA_BIOS_PORT,
1110 1, 4, vmsvga_bios_read, s);
1111 register_ioport_write(SVGA_IO_BASE + SVGA_IO_MUL * SVGA_BIOS_PORT,
1112 1, 4, vmsvga_bios_write, s);
1113
1114 graphic_console_init(ds, vmsvga_update_display,
1115 vmsvga_invalidate_display, vmsvga_screen_dump, s);
1116
1117 #ifdef EMBED_STDVGA
1118 vga_common_init((VGAState *) s, ds,
1119 vga_ram_base, vga_ram_offset, vga_ram_size);
1120 vga_init((VGAState *) s);
1121 #endif
1122 }
1123
1124 static void pci_vmsvga_save(QEMUFile *f, void *opaque)
1125 {
1126 struct pci_vmsvga_state_s *s = (struct pci_vmsvga_state_s *) opaque;
1127 pci_device_save(&s->card, f);
1128 vmsvga_save(&s->chip, f);
1129 }
1130
1131 static int pci_vmsvga_load(QEMUFile *f, void *opaque, int version_id)
1132 {
1133 struct pci_vmsvga_state_s *s = (struct pci_vmsvga_state_s *) opaque;
1134 int ret;
1135
1136 ret = pci_device_load(&s->card, f);
1137 if (ret < 0)
1138 return ret;
1139
1140 ret = vmsvga_load(&s->chip, f);
1141 if (ret < 0)
1142 return ret;
1143
1144 return 0;
1145 }
1146
1147 #define PCI_VENDOR_ID_VMWARE 0x15ad
1148 #define PCI_DEVICE_ID_VMWARE_SVGA2 0x0405
1149 #define PCI_DEVICE_ID_VMWARE_SVGA 0x0710
1150 #define PCI_DEVICE_ID_VMWARE_NET 0x0720
1151 #define PCI_DEVICE_ID_VMWARE_SCSI 0x0730
1152 #define PCI_DEVICE_ID_VMWARE_IDE 0x1729
1153 #define PCI_CLASS_BASE_DISPLAY 0x03
1154 #define PCI_CLASS_SUB_VGA 0x00
1155 #define PCI_CLASS_HEADERTYPE_00h 0x00
1156
1157 void pci_vmsvga_init(PCIBus *bus, DisplayState *ds, uint8_t *vga_ram_base,
1158 unsigned long vga_ram_offset, int vga_ram_size)
1159 {
1160 struct pci_vmsvga_state_s *s;
1161
1162 /* Setup PCI configuration */
1163 s = (struct pci_vmsvga_state_s *)
1164 pci_register_device(bus, "QEMUware SVGA",
1165 sizeof(struct pci_vmsvga_state_s), -1, 0, 0);
1166 s->card.config[PCI_VENDOR_ID] = PCI_VENDOR_ID_VMWARE & 0xff;
1167 s->card.config[PCI_VENDOR_ID + 1] = PCI_VENDOR_ID_VMWARE >> 8;
1168 s->card.config[PCI_DEVICE_ID] = SVGA_PCI_DEVICE_ID & 0xff;
1169 s->card.config[PCI_DEVICE_ID + 1] = SVGA_PCI_DEVICE_ID >> 8;
1170 s->card.config[PCI_COMMAND] = 0x07; /* I/O + Memory */
1171 s->card.config[PCI_CLASS_DEVICE] = PCI_CLASS_SUB_VGA;
1172 s->card.config[0x0b] = PCI_CLASS_BASE_DISPLAY;
1173 s->card.config[0x0c] = 0x08; /* Cache line size */
1174 s->card.config[0x0d] = 0x40; /* Latency timer */
1175 s->card.config[0x0e] = PCI_CLASS_HEADERTYPE_00h;
1176 s->card.config[0x10] = ((SVGA_IO_BASE >> 0) & 0xff) | 1;
1177 s->card.config[0x11] = (SVGA_IO_BASE >> 8) & 0xff;
1178 s->card.config[0x12] = (SVGA_IO_BASE >> 16) & 0xff;
1179 s->card.config[0x13] = (SVGA_IO_BASE >> 24) & 0xff;
1180 s->card.config[0x18] = (SVGA_MEM_BASE >> 0) & 0xff;
1181 s->card.config[0x19] = (SVGA_MEM_BASE >> 8) & 0xff;
1182 s->card.config[0x1a] = (SVGA_MEM_BASE >> 16) & 0xff;
1183 s->card.config[0x1b] = (SVGA_MEM_BASE >> 24) & 0xff;
1184 s->card.config[0x2c] = PCI_VENDOR_ID_VMWARE & 0xff;
1185 s->card.config[0x2d] = PCI_VENDOR_ID_VMWARE >> 8;
1186 s->card.config[0x2e] = SVGA_PCI_DEVICE_ID & 0xff;
1187 s->card.config[0x2f] = SVGA_PCI_DEVICE_ID >> 8;
1188 s->card.config[0x3c] = 0xff; /* End */
1189
1190 vmsvga_init(&s->chip, ds, vga_ram_base, vga_ram_offset, vga_ram_size);
1191
1192 register_savevm("vmware_vga", 0, 0, pci_vmsvga_save, pci_vmsvga_load, s);
1193 }
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