Make sure to enable dirty log tracking for VMware VGA
[qemu/aliguori-queue.git] / hw / vmware_vga.c
blobfcb680878dace255a491d76ac5de945fbdf492e5
1 /*
2 * QEMU VMware-SVGA "chipset".
4 * Copyright (c) 2007 Andrzej Zaborowski <balrog@zabor.org>
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 #include "hw.h"
25 #include "loader.h"
26 #include "console.h"
27 #include "pci.h"
28 #include "vmware_vga.h"
30 #define VERBOSE
31 #undef DIRECT_VRAM
32 #define HW_RECT_ACCEL
33 #define HW_FILL_ACCEL
34 #define HW_MOUSE_ACCEL
36 # include "vga_int.h"
38 struct vmsvga_state_s {
39 VGACommonState vga;
41 int width;
42 int height;
43 int invalidated;
44 int depth;
45 int bypp;
46 int enable;
47 int config;
48 struct {
49 int id;
50 int x;
51 int y;
52 int on;
53 } cursor;
55 target_phys_addr_t vram_base;
57 int index;
58 int scratch_size;
59 uint32_t *scratch;
60 int new_width;
61 int new_height;
62 uint32_t guest;
63 uint32_t svgaid;
64 uint32_t wred;
65 uint32_t wgreen;
66 uint32_t wblue;
67 int syncing;
68 int fb_size;
70 ram_addr_t fifo_offset;
71 uint8_t *fifo_ptr;
72 unsigned int fifo_size;
73 target_phys_addr_t fifo_base;
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;
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;
94 struct pci_vmsvga_state_s {
95 PCIDevice card;
96 struct vmsvga_state_s chip;
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)
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
110 #define SVGA_VERSION_2
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
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,
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 */
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,
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)
192 * FIFO offsets (seen as an array of 32-bit words)
194 enum {
196 * The original defined FIFO offsets
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,
204 * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
206 SVGA_FIFO_CAPABILITIES = 4,
207 SVGA_FIFO_FLAGS,
208 SVGA_FIFO_FENCE,
209 SVGA_FIFO_3D_HWVERSION,
210 SVGA_FIFO_PITCHLOCK,
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)
218 #define SVGA_FIFO_FLAG_NONE 0
219 #define SVGA_FIFO_FLAG_ACCELFRONT (1 << 0)
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
226 #ifdef VERBOSE
227 # define GUEST_OS_BASE 0x5001
228 static const char *vmsvga_guest_id[] = {
229 [0x00] = "Dos",
230 [0x01] = "Windows 3.1",
231 [0x02] = "Windows 95",
232 [0x03] = "Windows 98",
233 [0x04] = "Windows ME",
234 [0x05] = "Windows NT",
235 [0x06] = "Windows 2000",
236 [0x07] = "Linux",
237 [0x08] = "OS/2",
238 [0x09] = "an unknown OS",
239 [0x0a] = "BSD",
240 [0x0b] = "Whistler",
241 [0x0c] = "an unknown OS",
242 [0x0d] = "an unknown OS",
243 [0x0e] = "an unknown OS",
244 [0x0f] = "an unknown OS",
245 [0x10] = "an unknown OS",
246 [0x11] = "an unknown OS",
247 [0x12] = "an unknown OS",
248 [0x13] = "an unknown OS",
249 [0x14] = "an unknown OS",
250 [0x15] = "Windows 2003",
252 #endif
254 enum {
255 SVGA_CMD_INVALID_CMD = 0,
256 SVGA_CMD_UPDATE = 1,
257 SVGA_CMD_RECT_FILL = 2,
258 SVGA_CMD_RECT_COPY = 3,
259 SVGA_CMD_DEFINE_BITMAP = 4,
260 SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
261 SVGA_CMD_DEFINE_PIXMAP = 6,
262 SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
263 SVGA_CMD_RECT_BITMAP_FILL = 8,
264 SVGA_CMD_RECT_PIXMAP_FILL = 9,
265 SVGA_CMD_RECT_BITMAP_COPY = 10,
266 SVGA_CMD_RECT_PIXMAP_COPY = 11,
267 SVGA_CMD_FREE_OBJECT = 12,
268 SVGA_CMD_RECT_ROP_FILL = 13,
269 SVGA_CMD_RECT_ROP_COPY = 14,
270 SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
271 SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
272 SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
273 SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
274 SVGA_CMD_DEFINE_CURSOR = 19,
275 SVGA_CMD_DISPLAY_CURSOR = 20,
276 SVGA_CMD_MOVE_CURSOR = 21,
277 SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
278 SVGA_CMD_DRAW_GLYPH = 23,
279 SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
280 SVGA_CMD_UPDATE_VERBOSE = 25,
281 SVGA_CMD_SURFACE_FILL = 26,
282 SVGA_CMD_SURFACE_COPY = 27,
283 SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
284 SVGA_CMD_FRONT_ROP_FILL = 29,
285 SVGA_CMD_FENCE = 30,
288 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
289 enum {
290 SVGA_CURSOR_ON_HIDE = 0,
291 SVGA_CURSOR_ON_SHOW = 1,
292 SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
293 SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
296 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
297 int x, int y, int w, int h)
299 #ifndef DIRECT_VRAM
300 int line;
301 int bypl;
302 int width;
303 int start;
304 uint8_t *src;
305 uint8_t *dst;
307 if (x + w > s->width) {
308 fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
309 __FUNCTION__, x, w);
310 x = MIN(x, s->width);
311 w = s->width - x;
314 if (y + h > s->height) {
315 fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
316 __FUNCTION__, y, h);
317 y = MIN(y, s->height);
318 h = s->height - y;
321 line = h;
322 bypl = s->bypp * s->width;
323 width = s->bypp * w;
324 start = s->bypp * x + bypl * y;
325 src = s->vga.vram_ptr + start;
326 dst = ds_get_data(s->vga.ds) + start;
328 for (; line > 0; line --, src += bypl, dst += bypl)
329 memcpy(dst, src, width);
330 #endif
332 dpy_update(s->vga.ds, x, y, w, h);
335 static inline void vmsvga_update_screen(struct vmsvga_state_s *s)
337 #ifndef DIRECT_VRAM
338 memcpy(ds_get_data(s->vga.ds), s->vga.vram_ptr, s->bypp * s->width * s->height);
339 #endif
341 dpy_update(s->vga.ds, 0, 0, s->width, s->height);
344 #ifdef DIRECT_VRAM
345 # define vmsvga_update_rect_delayed vmsvga_update_rect
346 #else
347 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
348 int x, int y, int w, int h)
350 struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last ++];
351 s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
352 rect->x = x;
353 rect->y = y;
354 rect->w = w;
355 rect->h = h;
357 #endif
359 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
361 struct vmsvga_rect_s *rect;
362 if (s->invalidated) {
363 s->redraw_fifo_first = s->redraw_fifo_last;
364 return;
366 /* Overlapping region updates can be optimised out here - if someone
367 * knows a smart algorithm to do that, please share. */
368 while (s->redraw_fifo_first != s->redraw_fifo_last) {
369 rect = &s->redraw_fifo[s->redraw_fifo_first ++];
370 s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
371 vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
375 #ifdef HW_RECT_ACCEL
376 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
377 int x0, int y0, int x1, int y1, int w, int h)
379 # ifdef DIRECT_VRAM
380 uint8_t *vram = ds_get_data(s->ds);
381 # else
382 uint8_t *vram = s->vga.vram_ptr;
383 # endif
384 int bypl = s->bypp * s->width;
385 int width = s->bypp * w;
386 int line = h;
387 uint8_t *ptr[2];
389 # ifdef DIRECT_VRAM
390 if (s->ds->dpy_copy)
391 qemu_console_copy(s->ds, x0, y0, x1, y1, w, h);
392 else
393 # endif
395 if (y1 > y0) {
396 ptr[0] = vram + s->bypp * x0 + bypl * (y0 + h - 1);
397 ptr[1] = vram + s->bypp * x1 + bypl * (y1 + h - 1);
398 for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl)
399 memmove(ptr[1], ptr[0], width);
400 } else {
401 ptr[0] = vram + s->bypp * x0 + bypl * y0;
402 ptr[1] = vram + s->bypp * x1 + bypl * y1;
403 for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl)
404 memmove(ptr[1], ptr[0], width);
408 vmsvga_update_rect_delayed(s, x1, y1, w, h);
410 #endif
412 #ifdef HW_FILL_ACCEL
413 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
414 uint32_t c, int x, int y, int w, int h)
416 # ifdef DIRECT_VRAM
417 uint8_t *vram = ds_get_data(s->ds);
418 # else
419 uint8_t *vram = s->vga.vram_ptr;
420 # endif
421 int bypp = s->bypp;
422 int bypl = bypp * s->width;
423 int width = bypp * w;
424 int line = h;
425 int column;
426 uint8_t *fst = vram + bypp * x + bypl * y;
427 uint8_t *dst;
428 uint8_t *src;
429 uint8_t col[4];
431 # ifdef DIRECT_VRAM
432 if (s->ds->dpy_fill)
433 s->ds->dpy_fill(s->ds, x, y, w, h, c);
434 else
435 # endif
437 col[0] = c;
438 col[1] = c >> 8;
439 col[2] = c >> 16;
440 col[3] = c >> 24;
442 if (line --) {
443 dst = fst;
444 src = col;
445 for (column = width; column > 0; column --) {
446 *(dst ++) = *(src ++);
447 if (src - col == bypp)
448 src = col;
450 dst = fst;
451 for (; line > 0; line --) {
452 dst += bypl;
453 memcpy(dst, fst, width);
458 vmsvga_update_rect_delayed(s, x, y, w, h);
460 #endif
462 struct vmsvga_cursor_definition_s {
463 int width;
464 int height;
465 int id;
466 int bpp;
467 int hot_x;
468 int hot_y;
469 uint32_t mask[1024];
470 uint32_t image[1024];
473 #define SVGA_BITMAP_SIZE(w, h) ((((w) + 31) >> 5) * (h))
474 #define SVGA_PIXMAP_SIZE(w, h, bpp) (((((w) * (bpp)) + 31) >> 5) * (h))
476 #ifdef HW_MOUSE_ACCEL
477 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
478 struct vmsvga_cursor_definition_s *c)
480 int i;
481 for (i = SVGA_BITMAP_SIZE(c->width, c->height) - 1; i >= 0; i --)
482 c->mask[i] = ~c->mask[i];
484 if (s->vga.ds->cursor_define)
485 s->vga.ds->cursor_define(c->width, c->height, c->bpp, c->hot_x, c->hot_y,
486 (uint8_t *) c->image, (uint8_t *) c->mask);
488 #endif
490 #define CMD(f) le32_to_cpu(s->cmd->f)
492 static inline int vmsvga_fifo_empty(struct vmsvga_state_s *s)
494 if (!s->config || !s->enable)
495 return 1;
496 return (s->cmd->next_cmd == s->cmd->stop);
499 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
501 uint32_t cmd = s->fifo[CMD(stop) >> 2];
502 s->cmd->stop = cpu_to_le32(CMD(stop) + 4);
503 if (CMD(stop) >= CMD(max))
504 s->cmd->stop = s->cmd->min;
505 return cmd;
508 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
510 return le32_to_cpu(vmsvga_fifo_read_raw(s));
513 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
515 uint32_t cmd, colour;
516 int args = 0;
517 int x, y, dx, dy, width, height;
518 struct vmsvga_cursor_definition_s cursor;
519 while (!vmsvga_fifo_empty(s))
520 switch (cmd = vmsvga_fifo_read(s)) {
521 case SVGA_CMD_UPDATE:
522 case SVGA_CMD_UPDATE_VERBOSE:
523 x = vmsvga_fifo_read(s);
524 y = vmsvga_fifo_read(s);
525 width = vmsvga_fifo_read(s);
526 height = vmsvga_fifo_read(s);
527 vmsvga_update_rect_delayed(s, x, y, width, height);
528 break;
530 case SVGA_CMD_RECT_FILL:
531 colour = vmsvga_fifo_read(s);
532 x = vmsvga_fifo_read(s);
533 y = vmsvga_fifo_read(s);
534 width = vmsvga_fifo_read(s);
535 height = vmsvga_fifo_read(s);
536 #ifdef HW_FILL_ACCEL
537 vmsvga_fill_rect(s, colour, x, y, width, height);
538 break;
539 #else
540 goto badcmd;
541 #endif
543 case SVGA_CMD_RECT_COPY:
544 x = vmsvga_fifo_read(s);
545 y = vmsvga_fifo_read(s);
546 dx = vmsvga_fifo_read(s);
547 dy = vmsvga_fifo_read(s);
548 width = vmsvga_fifo_read(s);
549 height = vmsvga_fifo_read(s);
550 #ifdef HW_RECT_ACCEL
551 vmsvga_copy_rect(s, x, y, dx, dy, width, height);
552 break;
553 #else
554 goto badcmd;
555 #endif
557 case SVGA_CMD_DEFINE_CURSOR:
558 cursor.id = vmsvga_fifo_read(s);
559 cursor.hot_x = vmsvga_fifo_read(s);
560 cursor.hot_y = vmsvga_fifo_read(s);
561 cursor.width = x = vmsvga_fifo_read(s);
562 cursor.height = y = vmsvga_fifo_read(s);
563 vmsvga_fifo_read(s);
564 cursor.bpp = vmsvga_fifo_read(s);
565 for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args ++)
566 cursor.mask[args] = vmsvga_fifo_read_raw(s);
567 for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args ++)
568 cursor.image[args] = vmsvga_fifo_read_raw(s);
569 #ifdef HW_MOUSE_ACCEL
570 vmsvga_cursor_define(s, &cursor);
571 break;
572 #else
573 args = 0;
574 goto badcmd;
575 #endif
578 * Other commands that we at least know the number of arguments
579 * for so we can avoid FIFO desync if driver uses them illegally.
581 case SVGA_CMD_DEFINE_ALPHA_CURSOR:
582 vmsvga_fifo_read(s);
583 vmsvga_fifo_read(s);
584 vmsvga_fifo_read(s);
585 x = vmsvga_fifo_read(s);
586 y = vmsvga_fifo_read(s);
587 args = x * y;
588 goto badcmd;
589 case SVGA_CMD_RECT_ROP_FILL:
590 args = 6;
591 goto badcmd;
592 case SVGA_CMD_RECT_ROP_COPY:
593 args = 7;
594 goto badcmd;
595 case SVGA_CMD_DRAW_GLYPH_CLIPPED:
596 vmsvga_fifo_read(s);
597 vmsvga_fifo_read(s);
598 args = 7 + (vmsvga_fifo_read(s) >> 2);
599 goto badcmd;
600 case SVGA_CMD_SURFACE_ALPHA_BLEND:
601 args = 12;
602 goto badcmd;
605 * Other commands that are not listed as depending on any
606 * CAPABILITIES bits, but are not described in the README either.
608 case SVGA_CMD_SURFACE_FILL:
609 case SVGA_CMD_SURFACE_COPY:
610 case SVGA_CMD_FRONT_ROP_FILL:
611 case SVGA_CMD_FENCE:
612 case SVGA_CMD_INVALID_CMD:
613 break; /* Nop */
615 default:
616 badcmd:
617 while (args --)
618 vmsvga_fifo_read(s);
619 printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
620 __FUNCTION__, cmd);
621 break;
624 s->syncing = 0;
627 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
629 struct vmsvga_state_s *s = opaque;
630 return s->index;
633 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
635 struct vmsvga_state_s *s = opaque;
636 s->index = index;
639 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
641 uint32_t caps;
642 struct vmsvga_state_s *s = opaque;
643 switch (s->index) {
644 case SVGA_REG_ID:
645 return s->svgaid;
647 case SVGA_REG_ENABLE:
648 return s->enable;
650 case SVGA_REG_WIDTH:
651 return s->width;
653 case SVGA_REG_HEIGHT:
654 return s->height;
656 case SVGA_REG_MAX_WIDTH:
657 return SVGA_MAX_WIDTH;
659 case SVGA_REG_MAX_HEIGHT:
660 return SVGA_MAX_HEIGHT;
662 case SVGA_REG_DEPTH:
663 return s->depth;
665 case SVGA_REG_BITS_PER_PIXEL:
666 return (s->depth + 7) & ~7;
668 case SVGA_REG_PSEUDOCOLOR:
669 return 0x0;
671 case SVGA_REG_RED_MASK:
672 return s->wred;
673 case SVGA_REG_GREEN_MASK:
674 return s->wgreen;
675 case SVGA_REG_BLUE_MASK:
676 return s->wblue;
678 case SVGA_REG_BYTES_PER_LINE:
679 return ((s->depth + 7) >> 3) * s->new_width;
681 case SVGA_REG_FB_START:
682 return s->vram_base;
684 case SVGA_REG_FB_OFFSET:
685 return 0x0;
687 case SVGA_REG_VRAM_SIZE:
688 return s->vga.vram_size;
690 case SVGA_REG_FB_SIZE:
691 return s->fb_size;
693 case SVGA_REG_CAPABILITIES:
694 caps = SVGA_CAP_NONE;
695 #ifdef HW_RECT_ACCEL
696 caps |= SVGA_CAP_RECT_COPY;
697 #endif
698 #ifdef HW_FILL_ACCEL
699 caps |= SVGA_CAP_RECT_FILL;
700 #endif
701 #ifdef HW_MOUSE_ACCEL
702 if (s->vga.ds->mouse_set)
703 caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
704 SVGA_CAP_CURSOR_BYPASS;
705 #endif
706 return caps;
708 case SVGA_REG_MEM_START:
709 return s->fifo_base;
711 case SVGA_REG_MEM_SIZE:
712 return s->fifo_size;
714 case SVGA_REG_CONFIG_DONE:
715 return s->config;
717 case SVGA_REG_SYNC:
718 case SVGA_REG_BUSY:
719 return s->syncing;
721 case SVGA_REG_GUEST_ID:
722 return s->guest;
724 case SVGA_REG_CURSOR_ID:
725 return s->cursor.id;
727 case SVGA_REG_CURSOR_X:
728 return s->cursor.x;
730 case SVGA_REG_CURSOR_Y:
731 return s->cursor.x;
733 case SVGA_REG_CURSOR_ON:
734 return s->cursor.on;
736 case SVGA_REG_HOST_BITS_PER_PIXEL:
737 return (s->depth + 7) & ~7;
739 case SVGA_REG_SCRATCH_SIZE:
740 return s->scratch_size;
742 case SVGA_REG_MEM_REGS:
743 case SVGA_REG_NUM_DISPLAYS:
744 case SVGA_REG_PITCHLOCK:
745 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
746 return 0;
748 default:
749 if (s->index >= SVGA_SCRATCH_BASE &&
750 s->index < SVGA_SCRATCH_BASE + s->scratch_size)
751 return s->scratch[s->index - SVGA_SCRATCH_BASE];
752 printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
755 return 0;
758 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
760 struct vmsvga_state_s *s = opaque;
761 switch (s->index) {
762 case SVGA_REG_ID:
763 if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0)
764 s->svgaid = value;
765 break;
767 case SVGA_REG_ENABLE:
768 s->enable = value;
769 s->config &= !!value;
770 s->width = -1;
771 s->height = -1;
772 s->invalidated = 1;
773 s->vga.invalidate(&s->vga);
774 if (s->enable)
775 s->fb_size = ((s->depth + 7) >> 3) * s->new_width * s->new_height;
776 break;
778 case SVGA_REG_WIDTH:
779 s->new_width = value;
780 s->invalidated = 1;
781 break;
783 case SVGA_REG_HEIGHT:
784 s->new_height = value;
785 s->invalidated = 1;
786 break;
788 case SVGA_REG_DEPTH:
789 case SVGA_REG_BITS_PER_PIXEL:
790 if (value != s->depth) {
791 printf("%s: Bad colour depth: %i bits\n", __FUNCTION__, value);
792 s->config = 0;
794 break;
796 case SVGA_REG_CONFIG_DONE:
797 if (value) {
798 s->fifo = (uint32_t *) s->fifo_ptr;
799 /* Check range and alignment. */
800 if ((CMD(min) | CMD(max) |
801 CMD(next_cmd) | CMD(stop)) & 3)
802 break;
803 if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo)
804 break;
805 if (CMD(max) > SVGA_FIFO_SIZE)
806 break;
807 if (CMD(max) < CMD(min) + 10 * 1024)
808 break;
810 s->config = !!value;
811 break;
813 case SVGA_REG_SYNC:
814 s->syncing = 1;
815 vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
816 break;
818 case SVGA_REG_GUEST_ID:
819 s->guest = value;
820 #ifdef VERBOSE
821 if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
822 ARRAY_SIZE(vmsvga_guest_id))
823 printf("%s: guest runs %s.\n", __FUNCTION__,
824 vmsvga_guest_id[value - GUEST_OS_BASE]);
825 #endif
826 break;
828 case SVGA_REG_CURSOR_ID:
829 s->cursor.id = value;
830 break;
832 case SVGA_REG_CURSOR_X:
833 s->cursor.x = value;
834 break;
836 case SVGA_REG_CURSOR_Y:
837 s->cursor.y = value;
838 break;
840 case SVGA_REG_CURSOR_ON:
841 s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
842 s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
843 #ifdef HW_MOUSE_ACCEL
844 if (s->vga.ds->mouse_set && value <= SVGA_CURSOR_ON_SHOW)
845 s->vga.ds->mouse_set(s->cursor.x, s->cursor.y, s->cursor.on);
846 #endif
847 break;
849 case SVGA_REG_MEM_REGS:
850 case SVGA_REG_NUM_DISPLAYS:
851 case SVGA_REG_PITCHLOCK:
852 case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
853 break;
855 default:
856 if (s->index >= SVGA_SCRATCH_BASE &&
857 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
858 s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
859 break;
861 printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
865 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
867 printf("%s: what are we supposed to return?\n", __FUNCTION__);
868 return 0xcafe;
871 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
873 printf("%s: what are we supposed to do with (%08x)?\n",
874 __FUNCTION__, data);
877 static inline void vmsvga_size(struct vmsvga_state_s *s)
879 if (s->new_width != s->width || s->new_height != s->height) {
880 s->width = s->new_width;
881 s->height = s->new_height;
882 qemu_console_resize(s->vga.ds, s->width, s->height);
883 s->invalidated = 1;
887 static void vmsvga_update_display(void *opaque)
889 struct vmsvga_state_s *s = opaque;
890 if (!s->enable) {
891 s->vga.update(&s->vga);
892 return;
895 vmsvga_size(s);
897 vmsvga_fifo_run(s);
898 vmsvga_update_rect_flush(s);
901 * Is it more efficient to look at vram VGA-dirty bits or wait
902 * for the driver to issue SVGA_CMD_UPDATE?
904 if (s->invalidated) {
905 s->invalidated = 0;
906 vmsvga_update_screen(s);
910 static void vmsvga_reset(struct vmsvga_state_s *s)
912 s->index = 0;
913 s->enable = 0;
914 s->config = 0;
915 s->width = -1;
916 s->height = -1;
917 s->svgaid = SVGA_ID;
918 s->depth = 24;
919 s->bypp = (s->depth + 7) >> 3;
920 s->cursor.on = 0;
921 s->redraw_fifo_first = 0;
922 s->redraw_fifo_last = 0;
923 switch (s->depth) {
924 case 8:
925 s->wred = 0x00000007;
926 s->wgreen = 0x00000038;
927 s->wblue = 0x000000c0;
928 break;
929 case 15:
930 s->wred = 0x0000001f;
931 s->wgreen = 0x000003e0;
932 s->wblue = 0x00007c00;
933 break;
934 case 16:
935 s->wred = 0x0000001f;
936 s->wgreen = 0x000007e0;
937 s->wblue = 0x0000f800;
938 break;
939 case 24:
940 s->wred = 0x00ff0000;
941 s->wgreen = 0x0000ff00;
942 s->wblue = 0x000000ff;
943 break;
944 case 32:
945 s->wred = 0x00ff0000;
946 s->wgreen = 0x0000ff00;
947 s->wblue = 0x000000ff;
948 break;
950 s->syncing = 0;
953 static void vmsvga_invalidate_display(void *opaque)
955 struct vmsvga_state_s *s = opaque;
956 if (!s->enable) {
957 s->vga.invalidate(&s->vga);
958 return;
961 s->invalidated = 1;
964 /* save the vga display in a PPM image even if no display is
965 available */
966 static void vmsvga_screen_dump(void *opaque, const char *filename)
968 struct vmsvga_state_s *s = opaque;
969 if (!s->enable) {
970 s->vga.screen_dump(&s->vga, filename);
971 return;
974 if (s->depth == 32) {
975 DisplaySurface *ds = qemu_create_displaysurface_from(s->width,
976 s->height, 32, ds_get_linesize(s->vga.ds), s->vga.vram_ptr);
977 ppm_save(filename, ds);
978 qemu_free(ds);
982 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
984 struct vmsvga_state_s *s = opaque;
986 if (s->vga.text_update)
987 s->vga.text_update(&s->vga, chardata);
990 #ifdef DIRECT_VRAM
991 static uint32_t vmsvga_vram_readb(void *opaque, target_phys_addr_t addr)
993 struct vmsvga_state_s *s = opaque;
994 if (addr < s->fb_size)
995 return *(uint8_t *) (ds_get_data(s->ds) + addr);
996 else
997 return *(uint8_t *) (s->vram_ptr + addr);
1000 static uint32_t vmsvga_vram_readw(void *opaque, target_phys_addr_t addr)
1002 struct vmsvga_state_s *s = opaque;
1003 if (addr < s->fb_size)
1004 return *(uint16_t *) (ds_get_data(s->ds) + addr);
1005 else
1006 return *(uint16_t *) (s->vram_ptr + addr);
1009 static uint32_t vmsvga_vram_readl(void *opaque, target_phys_addr_t addr)
1011 struct vmsvga_state_s *s = opaque;
1012 if (addr < s->fb_size)
1013 return *(uint32_t *) (ds_get_data(s->ds) + addr);
1014 else
1015 return *(uint32_t *) (s->vram_ptr + addr);
1018 static void vmsvga_vram_writeb(void *opaque, target_phys_addr_t addr,
1019 uint32_t value)
1021 struct vmsvga_state_s *s = opaque;
1022 if (addr < s->fb_size)
1023 *(uint8_t *) (ds_get_data(s->ds) + addr) = value;
1024 else
1025 *(uint8_t *) (s->vram_ptr + addr) = value;
1028 static void vmsvga_vram_writew(void *opaque, target_phys_addr_t addr,
1029 uint32_t value)
1031 struct vmsvga_state_s *s = opaque;
1032 if (addr < s->fb_size)
1033 *(uint16_t *) (ds_get_data(s->ds) + addr) = value;
1034 else
1035 *(uint16_t *) (s->vram_ptr + addr) = value;
1038 static void vmsvga_vram_writel(void *opaque, target_phys_addr_t addr,
1039 uint32_t value)
1041 struct vmsvga_state_s *s = opaque;
1042 if (addr < s->fb_size)
1043 *(uint32_t *) (ds_get_data(s->ds) + addr) = value;
1044 else
1045 *(uint32_t *) (s->vram_ptr + addr) = value;
1048 static CPUReadMemoryFunc * const vmsvga_vram_read[] = {
1049 vmsvga_vram_readb,
1050 vmsvga_vram_readw,
1051 vmsvga_vram_readl,
1054 static CPUWriteMemoryFunc * const vmsvga_vram_write[] = {
1055 vmsvga_vram_writeb,
1056 vmsvga_vram_writew,
1057 vmsvga_vram_writel,
1059 #endif
1061 static int vmsvga_post_load(void *opaque, int version_id)
1063 struct vmsvga_state_s *s = opaque;
1065 s->invalidated = 1;
1066 if (s->config)
1067 s->fifo = (uint32_t *) s->fifo_ptr;
1069 return 0;
1072 static const VMStateDescription vmstate_vmware_vga_internal = {
1073 .name = "vmware_vga_internal",
1074 .version_id = 0,
1075 .minimum_version_id = 0,
1076 .minimum_version_id_old = 0,
1077 .post_load = vmsvga_post_load,
1078 .fields = (VMStateField []) {
1079 VMSTATE_INT32_EQUAL(depth, struct vmsvga_state_s),
1080 VMSTATE_INT32(enable, struct vmsvga_state_s),
1081 VMSTATE_INT32(config, struct vmsvga_state_s),
1082 VMSTATE_INT32(cursor.id, struct vmsvga_state_s),
1083 VMSTATE_INT32(cursor.x, struct vmsvga_state_s),
1084 VMSTATE_INT32(cursor.y, struct vmsvga_state_s),
1085 VMSTATE_INT32(cursor.on, struct vmsvga_state_s),
1086 VMSTATE_INT32(index, struct vmsvga_state_s),
1087 VMSTATE_VARRAY_INT32(scratch, struct vmsvga_state_s,
1088 scratch_size, 0, vmstate_info_uint32, uint32_t),
1089 VMSTATE_INT32(new_width, struct vmsvga_state_s),
1090 VMSTATE_INT32(new_height, struct vmsvga_state_s),
1091 VMSTATE_UINT32(guest, struct vmsvga_state_s),
1092 VMSTATE_UINT32(svgaid, struct vmsvga_state_s),
1093 VMSTATE_INT32(syncing, struct vmsvga_state_s),
1094 VMSTATE_INT32(fb_size, struct vmsvga_state_s),
1095 VMSTATE_END_OF_LIST()
1099 static const VMStateDescription vmstate_vmware_vga = {
1100 .name = "vmware_vga",
1101 .version_id = 0,
1102 .minimum_version_id = 0,
1103 .minimum_version_id_old = 0,
1104 .fields = (VMStateField []) {
1105 VMSTATE_PCI_DEVICE(card, struct pci_vmsvga_state_s),
1106 VMSTATE_STRUCT(chip, struct pci_vmsvga_state_s, 0,
1107 vmstate_vmware_vga_internal, struct vmsvga_state_s),
1108 VMSTATE_END_OF_LIST()
1112 static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size)
1114 s->scratch_size = SVGA_SCRATCH_SIZE;
1115 s->scratch = qemu_malloc(s->scratch_size * 4);
1117 vmsvga_reset(s);
1119 s->fifo_size = SVGA_FIFO_SIZE;
1120 s->fifo_offset = qemu_ram_alloc(s->fifo_size);
1121 s->fifo_ptr = qemu_get_ram_ptr(s->fifo_offset);
1123 vga_common_init(&s->vga, vga_ram_size);
1124 vga_init(&s->vga);
1125 vmstate_register(0, &vmstate_vga_common, &s->vga);
1127 s->vga.ds = graphic_console_init(vmsvga_update_display,
1128 vmsvga_invalidate_display,
1129 vmsvga_screen_dump,
1130 vmsvga_text_update, s);
1132 vga_init_vbe(&s->vga);
1133 rom_add_vga(VGABIOS_FILENAME);
1136 static void pci_vmsvga_map_ioport(PCIDevice *pci_dev, int region_num,
1137 pcibus_t addr, pcibus_t size, int type)
1139 struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
1140 struct vmsvga_state_s *s = &d->chip;
1142 register_ioport_read(addr + SVGA_IO_MUL * SVGA_INDEX_PORT,
1143 1, 4, vmsvga_index_read, s);
1144 register_ioport_write(addr + SVGA_IO_MUL * SVGA_INDEX_PORT,
1145 1, 4, vmsvga_index_write, s);
1146 register_ioport_read(addr + SVGA_IO_MUL * SVGA_VALUE_PORT,
1147 1, 4, vmsvga_value_read, s);
1148 register_ioport_write(addr + SVGA_IO_MUL * SVGA_VALUE_PORT,
1149 1, 4, vmsvga_value_write, s);
1150 register_ioport_read(addr + SVGA_IO_MUL * SVGA_BIOS_PORT,
1151 1, 4, vmsvga_bios_read, s);
1152 register_ioport_write(addr + SVGA_IO_MUL * SVGA_BIOS_PORT,
1153 1, 4, vmsvga_bios_write, s);
1156 static void pci_vmsvga_map_mem(PCIDevice *pci_dev, int region_num,
1157 pcibus_t addr, pcibus_t size, int type)
1159 struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
1160 struct vmsvga_state_s *s = &d->chip;
1161 ram_addr_t iomemtype;
1163 s->vram_base = addr;
1164 #ifdef DIRECT_VRAM
1165 iomemtype = cpu_register_io_memory(vmsvga_vram_read,
1166 vmsvga_vram_write, s);
1167 #else
1168 iomemtype = s->vga.vram_offset | IO_MEM_RAM;
1169 #endif
1170 cpu_register_physical_memory(s->vram_base, s->vga.vram_size,
1171 iomemtype);
1173 s->vga.map_addr = addr;
1174 s->vga.map_end = addr + s->vga.vram_size;
1175 vga_dirty_log_start(&s->vga);
1178 static void pci_vmsvga_map_fifo(PCIDevice *pci_dev, int region_num,
1179 pcibus_t addr, pcibus_t size, int type)
1181 struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
1182 struct vmsvga_state_s *s = &d->chip;
1183 ram_addr_t iomemtype;
1185 s->fifo_base = addr;
1186 iomemtype = s->fifo_offset | IO_MEM_RAM;
1187 cpu_register_physical_memory(s->fifo_base, s->fifo_size,
1188 iomemtype);
1191 static int pci_vmsvga_initfn(PCIDevice *dev)
1193 struct pci_vmsvga_state_s *s =
1194 DO_UPCAST(struct pci_vmsvga_state_s, card, dev);
1196 pci_config_set_vendor_id(s->card.config, PCI_VENDOR_ID_VMWARE);
1197 pci_config_set_device_id(s->card.config, SVGA_PCI_DEVICE_ID);
1198 s->card.config[PCI_COMMAND] = 0x07; /* I/O + Memory */
1199 pci_config_set_class(s->card.config, PCI_CLASS_DISPLAY_VGA);
1200 s->card.config[0x0c] = 0x08; /* Cache line size */
1201 s->card.config[0x0d] = 0x40; /* Latency timer */
1202 s->card.config[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL;
1203 s->card.config[0x2c] = PCI_VENDOR_ID_VMWARE & 0xff;
1204 s->card.config[0x2d] = PCI_VENDOR_ID_VMWARE >> 8;
1205 s->card.config[0x2e] = SVGA_PCI_DEVICE_ID & 0xff;
1206 s->card.config[0x2f] = SVGA_PCI_DEVICE_ID >> 8;
1207 s->card.config[0x3c] = 0xff; /* End */
1209 pci_register_bar(&s->card, 0, 0x10,
1210 PCI_BASE_ADDRESS_SPACE_IO, pci_vmsvga_map_ioport);
1211 pci_register_bar(&s->card, 1, VGA_RAM_SIZE,
1212 PCI_BASE_ADDRESS_MEM_PREFETCH, pci_vmsvga_map_mem);
1214 pci_register_bar(&s->card, 2, SVGA_FIFO_SIZE,
1215 PCI_BASE_ADDRESS_MEM_PREFETCH, pci_vmsvga_map_fifo);
1217 vmsvga_init(&s->chip, VGA_RAM_SIZE);
1219 return 0;
1222 void pci_vmsvga_init(PCIBus *bus)
1224 pci_create_simple(bus, -1, "vmware-svga");
1227 static PCIDeviceInfo vmsvga_info = {
1228 .qdev.name = "vmware-svga",
1229 .qdev.size = sizeof(struct pci_vmsvga_state_s),
1230 .qdev.vmsd = &vmstate_vmware_vga,
1231 .init = pci_vmsvga_initfn,
1234 static void vmsvga_register(void)
1236 pci_qdev_register(&vmsvga_info);
1238 device_init(vmsvga_register);