hw/vmware_vga.c

   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 "hw.h"
  25 #include "console.h"
  26 #include "pci.h"
  27
  28 #define VERBOSE
  29 #define EMBED_STDVGA
  30 #undef DIRECT_VRAM
  31 #define HW_RECT_ACCEL
  32 #define HW_FILL_ACCEL
  33 #define HW_MOUSE_ACCEL
  34
  35 #ifdef EMBED_STDVGA
  36 # include "vga_int.h"
  37 #endif
  38
  39 struct vmsvga_state_s {
  40 #ifdef EMBED_STDVGA
  41     VGA_STATE_COMMON
  42 #endif
  43
  44     int width;
  45     int height;
  46     int invalidated;
  47     int depth;
  48     int bypp;
  49     int enable;
  50     int config;
  51     struct {
  52         int id;
  53         int x;
  54         int y;
  55         int on;
  56     } cursor;
  57
  58 #ifndef EMBED_STDVGA
  59     DisplayState *ds;
  60     int vram_size;
  61     ram_addr_t vram_offset;
  62 #endif
  63     uint8_t *vram;
  64     target_phys_addr_t vram_base;
  65
  66     int index;
  67     int scratch_size;
  68     uint32_t *scratch;
  69     int new_width;
  70     int new_height;
  71     uint32_t guest;
  72     uint32_t svgaid;
  73     uint32_t wred;
  74     uint32_t wgreen;
  75     uint32_t wblue;
  76     int syncing;
  77     int fb_size;
  78
  79     union {
  80         uint32_t *fifo;
  81         struct __attribute__((__packed__)) {
  82             uint32_t min;
  83             uint32_t max;
  84             uint32_t next_cmd;
  85             uint32_t stop;
  86             /* Add registers here when adding capabilities.  */
  87             uint32_t fifo[0];
  88         } *cmd;
  89     };
  90
  91 #define REDRAW_FIFO_LEN 512
  92     struct vmsvga_rect_s {
  93         int x, y, w, h;
  94     } redraw_fifo[REDRAW_FIFO_LEN];
  95     int redraw_fifo_first, redraw_fifo_last;
  96 };
  97
  98 struct pci_vmsvga_state_s {
  99     PCIDevice card;
 100     struct vmsvga_state_s chip;
 101 };
 102
 103 #define SVGA_MAGIC              0x900000UL
 104 #define SVGA_MAKE_ID(ver)       (SVGA_MAGIC << 8 | (ver))
 105 #define SVGA_ID_0               SVGA_MAKE_ID(0)
 106 #define SVGA_ID_1               SVGA_MAKE_ID(1)
 107 #define SVGA_ID_2               SVGA_MAKE_ID(2)
 108
 109 #define SVGA_LEGACY_BASE_PORT   0x4560
 110 #define SVGA_INDEX_PORT         0x0
 111 #define SVGA_VALUE_PORT         0x1
 112 #define SVGA_BIOS_PORT          0x2
 113
 114 #define SVGA_VERSION_2
 115
 116 #ifdef SVGA_VERSION_2
 117 # define SVGA_ID                SVGA_ID_2
 118 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
 119 # define SVGA_IO_MUL            1
 120 # define SVGA_FIFO_SIZE         0x10000
 121 # define SVGA_MEM_BASE          0xe0000000
 122 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA2
 123 #else
 124 # define SVGA_ID                SVGA_ID_1
 125 # define SVGA_IO_BASE           SVGA_LEGACY_BASE_PORT
 126 # define SVGA_IO_MUL            4
 127 # define SVGA_FIFO_SIZE         0x10000
 128 # define SVGA_MEM_BASE          0xe0000000
 129 # define SVGA_PCI_DEVICE_ID     PCI_DEVICE_ID_VMWARE_SVGA
 130 #endif
 131
 132 enum {
 133     /* ID 0, 1 and 2 registers */
 134     SVGA_REG_ID = 0,
 135     SVGA_REG_ENABLE = 1,
 136     SVGA_REG_WIDTH = 2,
 137     SVGA_REG_HEIGHT = 3,
 138     SVGA_REG_MAX_WIDTH = 4,
 139     SVGA_REG_MAX_HEIGHT = 5,
 140     SVGA_REG_DEPTH = 6,
 141     SVGA_REG_BITS_PER_PIXEL = 7,        /* Current bpp in the guest */
 142     SVGA_REG_PSEUDOCOLOR = 8,
 143     SVGA_REG_RED_MASK = 9,
 144     SVGA_REG_GREEN_MASK = 10,
 145     SVGA_REG_BLUE_MASK = 11,
 146     SVGA_REG_BYTES_PER_LINE = 12,
 147     SVGA_REG_FB_START = 13,
 148     SVGA_REG_FB_OFFSET = 14,
 149     SVGA_REG_VRAM_SIZE = 15,
 150     SVGA_REG_FB_SIZE = 16,
 151
 152     /* ID 1 and 2 registers */
 153     SVGA_REG_CAPABILITIES = 17,
 154     SVGA_REG_MEM_START = 18,            /* Memory for command FIFO */
 155     SVGA_REG_MEM_SIZE = 19,
 156     SVGA_REG_CONFIG_DONE = 20,          /* Set when memory area configured */
 157     SVGA_REG_SYNC = 21,                 /* Write to force synchronization */
 158     SVGA_REG_BUSY = 22,                 /* Read to check if sync is done */
 159     SVGA_REG_GUEST_ID = 23,             /* Set guest OS identifier */
 160     SVGA_REG_CURSOR_ID = 24,            /* ID of cursor */
 161     SVGA_REG_CURSOR_X = 25,             /* Set cursor X position */
 162     SVGA_REG_CURSOR_Y = 26,             /* Set cursor Y position */
 163     SVGA_REG_CURSOR_ON = 27,            /* Turn cursor on/off */
 164     SVGA_REG_HOST_BITS_PER_PIXEL = 28,  /* Current bpp in the host */
 165     SVGA_REG_SCRATCH_SIZE = 29,         /* Number of scratch registers */
 166     SVGA_REG_MEM_REGS = 30,             /* Number of FIFO registers */
 167     SVGA_REG_NUM_DISPLAYS = 31,         /* Number of guest displays */
 168     SVGA_REG_PITCHLOCK = 32,            /* Fixed pitch for all modes */
 169
 170     SVGA_PALETTE_BASE = 1024,           /* Base of SVGA color map */
 171     SVGA_PALETTE_END  = SVGA_PALETTE_BASE + 767,
 172     SVGA_SCRATCH_BASE = SVGA_PALETTE_BASE + 768,
 173 };
 174
 175 #define SVGA_CAP_NONE                   0
 176 #define SVGA_CAP_RECT_FILL              (1 << 0)
 177 #define SVGA_CAP_RECT_COPY              (1 << 1)
 178 #define SVGA_CAP_RECT_PAT_FILL          (1 << 2)
 179 #define SVGA_CAP_LEGACY_OFFSCREEN       (1 << 3)
 180 #define SVGA_CAP_RASTER_OP              (1 << 4)
 181 #define SVGA_CAP_CURSOR                 (1 << 5)
 182 #define SVGA_CAP_CURSOR_BYPASS          (1 << 6)
 183 #define SVGA_CAP_CURSOR_BYPASS_2        (1 << 7)
 184 #define SVGA_CAP_8BIT_EMULATION         (1 << 8)
 185 #define SVGA_CAP_ALPHA_CURSOR           (1 << 9)
 186 #define SVGA_CAP_GLYPH                  (1 << 10)
 187 #define SVGA_CAP_GLYPH_CLIPPING         (1 << 11)
 188 #define SVGA_CAP_OFFSCREEN_1            (1 << 12)
 189 #define SVGA_CAP_ALPHA_BLEND            (1 << 13)
 190 #define SVGA_CAP_3D                     (1 << 14)
 191 #define SVGA_CAP_EXTENDED_FIFO          (1 << 15)
 192 #define SVGA_CAP_MULTIMON               (1 << 16)
 193 #define SVGA_CAP_PITCHLOCK              (1 << 17)
 194
 195 /*
 196  * FIFO offsets (seen as an array of 32-bit words)
 197  */
 198 enum {
 199     /*
 200      * The original defined FIFO offsets
 201      */
 202     SVGA_FIFO_MIN = 0,
 203     SVGA_FIFO_MAX,      /* The distance from MIN to MAX must be at least 10K */
 204     SVGA_FIFO_NEXT_CMD,
 205     SVGA_FIFO_STOP,
 206
 207     /*
 208      * Additional offsets added as of SVGA_CAP_EXTENDED_FIFO
 209      */
 210     SVGA_FIFO_CAPABILITIES = 4,
 211     SVGA_FIFO_FLAGS,
 212     SVGA_FIFO_FENCE,
 213     SVGA_FIFO_3D_HWVERSION,
 214     SVGA_FIFO_PITCHLOCK,
 215 };
 216
 217 #define SVGA_FIFO_CAP_NONE              0
 218 #define SVGA_FIFO_CAP_FENCE             (1 << 0)
 219 #define SVGA_FIFO_CAP_ACCELFRONT        (1 << 1)
 220 #define SVGA_FIFO_CAP_PITCHLOCK         (1 << 2)
 221
 222 #define SVGA_FIFO_FLAG_NONE             0
 223 #define SVGA_FIFO_FLAG_ACCELFRONT       (1 << 0)
 224
 225 /* These values can probably be changed arbitrarily.  */
 226 #define SVGA_SCRATCH_SIZE               0x8000
 227 #define SVGA_MAX_WIDTH                  2360
 228 #define SVGA_MAX_HEIGHT                 1770
 229
 230 #ifdef VERBOSE
 231 # define GUEST_OS_BASE          0x5001
 232 static const char *vmsvga_guest_id[] = {
 233     [0x00 ... 0x15] = "an unknown OS",
 234     [0x00] = "Dos",
 235     [0x01] = "Windows 3.1",
 236     [0x02] = "Windows 95",
 237     [0x03] = "Windows 98",
 238     [0x04] = "Windows ME",
 239     [0x05] = "Windows NT",
 240     [0x06] = "Windows 2000",
 241     [0x07] = "Linux",
 242     [0x08] = "OS/2",
 243     [0x0a] = "BSD",
 244     [0x0b] = "Whistler",
 245     [0x15] = "Windows 2003",
 246 };
 247 #endif
 248
 249 enum {
 250     SVGA_CMD_INVALID_CMD = 0,
 251     SVGA_CMD_UPDATE = 1,
 252     SVGA_CMD_RECT_FILL = 2,
 253     SVGA_CMD_RECT_COPY = 3,
 254     SVGA_CMD_DEFINE_BITMAP = 4,
 255     SVGA_CMD_DEFINE_BITMAP_SCANLINE = 5,
 256     SVGA_CMD_DEFINE_PIXMAP = 6,
 257     SVGA_CMD_DEFINE_PIXMAP_SCANLINE = 7,
 258     SVGA_CMD_RECT_BITMAP_FILL = 8,
 259     SVGA_CMD_RECT_PIXMAP_FILL = 9,
 260     SVGA_CMD_RECT_BITMAP_COPY = 10,
 261     SVGA_CMD_RECT_PIXMAP_COPY = 11,
 262     SVGA_CMD_FREE_OBJECT = 12,
 263     SVGA_CMD_RECT_ROP_FILL = 13,
 264     SVGA_CMD_RECT_ROP_COPY = 14,
 265     SVGA_CMD_RECT_ROP_BITMAP_FILL = 15,
 266     SVGA_CMD_RECT_ROP_PIXMAP_FILL = 16,
 267     SVGA_CMD_RECT_ROP_BITMAP_COPY = 17,
 268     SVGA_CMD_RECT_ROP_PIXMAP_COPY = 18,
 269     SVGA_CMD_DEFINE_CURSOR = 19,
 270     SVGA_CMD_DISPLAY_CURSOR = 20,
 271     SVGA_CMD_MOVE_CURSOR = 21,
 272     SVGA_CMD_DEFINE_ALPHA_CURSOR = 22,
 273     SVGA_CMD_DRAW_GLYPH = 23,
 274     SVGA_CMD_DRAW_GLYPH_CLIPPED = 24,
 275     SVGA_CMD_UPDATE_VERBOSE = 25,
 276     SVGA_CMD_SURFACE_FILL = 26,
 277     SVGA_CMD_SURFACE_COPY = 27,
 278     SVGA_CMD_SURFACE_ALPHA_BLEND = 28,
 279     SVGA_CMD_FRONT_ROP_FILL = 29,
 280     SVGA_CMD_FENCE = 30,
 281 };
 282
 283 /* Legal values for the SVGA_REG_CURSOR_ON register in cursor bypass mode */
 284 enum {
 285     SVGA_CURSOR_ON_HIDE = 0,
 286     SVGA_CURSOR_ON_SHOW = 1,
 287     SVGA_CURSOR_ON_REMOVE_FROM_FB = 2,
 288     SVGA_CURSOR_ON_RESTORE_TO_FB = 3,
 289 };
 290
 291 static inline void vmsvga_update_rect(struct vmsvga_state_s *s,
 292                 int x, int y, int w, int h)
 293 {
 294 #ifndef DIRECT_VRAM
 295     int line;
 296     int bypl;
 297     int width;
 298     int start;
 299     uint8_t *src;
 300     uint8_t *dst;
 301
 302     if (x + w > s->width) {
 303         fprintf(stderr, "%s: update width too large x: %d, w: %d\n",
 304                         __FUNCTION__, x, w);
 305         x = MIN(x, s->width);
 306         w = s->width - x;
 307     }
 308
 309     if (y + h > s->height) {
 310         fprintf(stderr, "%s: update height too large y: %d, h: %d\n",
 311                         __FUNCTION__, y, h);
 312         y = MIN(y, s->height);
 313         h = s->height - y;
 314     }
 315
 316     line = h;
 317     bypl = s->bypp * s->width;
 318     width = s->bypp * w;
 319     start = s->bypp * x + bypl * y;
 320     src = s->vram + start;
 321     dst = ds_get_data(s->ds) + start;
 322
 323     for (; line > 0; line --, src += bypl, dst += bypl)
 324         memcpy(dst, src, width);
 325 #endif
 326
 327     dpy_update(s->ds, x, y, w, h);
 328 }
 329
 330 static inline void vmsvga_update_screen(struct vmsvga_state_s *s)
 331 {
 332 #ifndef DIRECT_VRAM
 333     memcpy(ds_get_data(s->ds), s->vram, s->bypp * s->width * s->height);
 334 #endif
 335
 336     dpy_update(s->ds, 0, 0, s->width, s->height);
 337 }
 338
 339 #ifdef DIRECT_VRAM
 340 # define vmsvga_update_rect_delayed     vmsvga_update_rect
 341 #else
 342 static inline void vmsvga_update_rect_delayed(struct vmsvga_state_s *s,
 343                 int x, int y, int w, int h)
 344 {
 345     struct vmsvga_rect_s *rect = &s->redraw_fifo[s->redraw_fifo_last ++];
 346     s->redraw_fifo_last &= REDRAW_FIFO_LEN - 1;
 347     rect->x = x;
 348     rect->y = y;
 349     rect->w = w;
 350     rect->h = h;
 351 }
 352 #endif
 353
 354 static inline void vmsvga_update_rect_flush(struct vmsvga_state_s *s)
 355 {
 356     struct vmsvga_rect_s *rect;
 357     if (s->invalidated) {
 358         s->redraw_fifo_first = s->redraw_fifo_last;
 359         return;
 360     }
 361     /* Overlapping region updates can be optimised out here - if someone
 362      * knows a smart algorithm to do that, please share.  */
 363     while (s->redraw_fifo_first != s->redraw_fifo_last) {
 364         rect = &s->redraw_fifo[s->redraw_fifo_first ++];
 365         s->redraw_fifo_first &= REDRAW_FIFO_LEN - 1;
 366         vmsvga_update_rect(s, rect->x, rect->y, rect->w, rect->h);
 367     }
 368 }
 369
 370 #ifdef HW_RECT_ACCEL
 371 static inline void vmsvga_copy_rect(struct vmsvga_state_s *s,
 372                 int x0, int y0, int x1, int y1, int w, int h)
 373 {
 374 # ifdef DIRECT_VRAM
 375     uint8_t *vram = ds_get_data(s->ds);
 376 # else
 377     uint8_t *vram = s->vram;
 378 # endif
 379     int bypl = s->bypp * s->width;
 380     int width = s->bypp * w;
 381     int line = h;
 382     uint8_t *ptr[2];
 383
 384 # ifdef DIRECT_VRAM
 385     if (s->ds->dpy_copy)
 386         qemu_console_copy(s->ds, x0, y0, x1, y1, w, h);
 387     else
 388 # endif
 389     {
 390         if (y1 > y0) {
 391             ptr[0] = vram + s->bypp * x0 + bypl * (y0 + h - 1);
 392             ptr[1] = vram + s->bypp * x1 + bypl * (y1 + h - 1);
 393             for (; line > 0; line --, ptr[0] -= bypl, ptr[1] -= bypl)
 394                 memmove(ptr[1], ptr[0], width);
 395         } else {
 396             ptr[0] = vram + s->bypp * x0 + bypl * y0;
 397             ptr[1] = vram + s->bypp * x1 + bypl * y1;
 398             for (; line > 0; line --, ptr[0] += bypl, ptr[1] += bypl)
 399                 memmove(ptr[1], ptr[0], width);
 400         }
 401     }
 402
 403     vmsvga_update_rect_delayed(s, x1, y1, w, h);
 404 }
 405 #endif
 406
 407 #ifdef HW_FILL_ACCEL
 408 static inline void vmsvga_fill_rect(struct vmsvga_state_s *s,
 409                 uint32_t c, int x, int y, int w, int h)
 410 {
 411 # ifdef DIRECT_VRAM
 412     uint8_t *vram = ds_get_data(s->ds);
 413 # else
 414     uint8_t *vram = s->vram;
 415 # endif
 416     int bypp = s->bypp;
 417     int bypl = bypp * s->width;
 418     int width = bypp * w;
 419     int line = h;
 420     int column;
 421     uint8_t *fst = vram + bypp * x + bypl * y;
 422     uint8_t *dst;
 423     uint8_t *src;
 424     uint8_t col[4];
 425
 426 # ifdef DIRECT_VRAM
 427     if (s->ds->dpy_fill)
 428         s->ds->dpy_fill(s->ds, x, y, w, h, c);
 429     else
 430 # endif
 431     {
 432         col[0] = c;
 433         col[1] = c >> 8;
 434         col[2] = c >> 16;
 435         col[3] = c >> 24;
 436
 437         if (line --) {
 438             dst = fst;
 439             src = col;
 440             for (column = width; column > 0; column --) {
 441                 *(dst ++) = *(src ++);
 442                 if (src - col == bypp)
 443                     src = col;
 444             }
 445             dst = fst;
 446             for (; line > 0; line --) {
 447                 dst += bypl;
 448                 memcpy(dst, fst, width);
 449             }
 450         }
 451     }
 452
 453     vmsvga_update_rect_delayed(s, x, y, w, h);
 454 }
 455 #endif
 456
 457 struct vmsvga_cursor_definition_s {
 458     int width;
 459     int height;
 460     int id;
 461     int bpp;
 462     int hot_x;
 463     int hot_y;
 464     uint32_t mask[1024];
 465     uint32_t image[1024];
 466 };
 467
 468 #define SVGA_BITMAP_SIZE(w, h)          ((((w) + 31) >> 5) * (h))
 469 #define SVGA_PIXMAP_SIZE(w, h, bpp)     (((((w) * (bpp)) + 31) >> 5) * (h))
 470
 471 #ifdef HW_MOUSE_ACCEL
 472 static inline void vmsvga_cursor_define(struct vmsvga_state_s *s,
 473                 struct vmsvga_cursor_definition_s *c)
 474 {
 475     int i;
 476     for (i = SVGA_BITMAP_SIZE(c->width, c->height) - 1; i >= 0; i --)
 477         c->mask[i] = ~c->mask[i];
 478
 479     if (s->ds->cursor_define)
 480         s->ds->cursor_define(c->width, c->height, c->bpp, c->hot_x, c->hot_y,
 481                         (uint8_t *) c->image, (uint8_t *) c->mask);
 482 }
 483 #endif
 484
 485 #define CMD(f)  le32_to_cpu(s->cmd->f)
 486
 487 static inline int vmsvga_fifo_empty(struct vmsvga_state_s *s)
 488 {
 489     if (!s->config || !s->enable)
 490         return 1;
 491     return (s->cmd->next_cmd == s->cmd->stop);
 492 }
 493
 494 static inline uint32_t vmsvga_fifo_read_raw(struct vmsvga_state_s *s)
 495 {
 496     uint32_t cmd = s->fifo[CMD(stop) >> 2];
 497     s->cmd->stop = cpu_to_le32(CMD(stop) + 4);
 498     if (CMD(stop) >= CMD(max))
 499         s->cmd->stop = s->cmd->min;
 500     return cmd;
 501 }
 502
 503 static inline uint32_t vmsvga_fifo_read(struct vmsvga_state_s *s)
 504 {
 505     return le32_to_cpu(vmsvga_fifo_read_raw(s));
 506 }
 507
 508 static void vmsvga_fifo_run(struct vmsvga_state_s *s)
 509 {
 510     uint32_t cmd, colour;
 511     int args = 0;
 512     int x, y, dx, dy, width, height;
 513     struct vmsvga_cursor_definition_s cursor;
 514     while (!vmsvga_fifo_empty(s))
 515         switch (cmd = vmsvga_fifo_read(s)) {
 516         case SVGA_CMD_UPDATE:
 517         case SVGA_CMD_UPDATE_VERBOSE:
 518             x = vmsvga_fifo_read(s);
 519             y = vmsvga_fifo_read(s);
 520             width = vmsvga_fifo_read(s);
 521             height = vmsvga_fifo_read(s);
 522             vmsvga_update_rect_delayed(s, x, y, width, height);
 523             break;
 524
 525         case SVGA_CMD_RECT_FILL:
 526             colour = vmsvga_fifo_read(s);
 527             x = vmsvga_fifo_read(s);
 528             y = vmsvga_fifo_read(s);
 529             width = vmsvga_fifo_read(s);
 530             height = vmsvga_fifo_read(s);
 531 #ifdef HW_FILL_ACCEL
 532             vmsvga_fill_rect(s, colour, x, y, width, height);
 533             break;
 534 #else
 535             goto badcmd;
 536 #endif
 537
 538         case SVGA_CMD_RECT_COPY:
 539             x = vmsvga_fifo_read(s);
 540             y = vmsvga_fifo_read(s);
 541             dx = vmsvga_fifo_read(s);
 542             dy = vmsvga_fifo_read(s);
 543             width = vmsvga_fifo_read(s);
 544             height = vmsvga_fifo_read(s);
 545 #ifdef HW_RECT_ACCEL
 546             vmsvga_copy_rect(s, x, y, dx, dy, width, height);
 547             break;
 548 #else
 549             goto badcmd;
 550 #endif
 551
 552         case SVGA_CMD_DEFINE_CURSOR:
 553             cursor.id = vmsvga_fifo_read(s);
 554             cursor.hot_x = vmsvga_fifo_read(s);
 555             cursor.hot_y = vmsvga_fifo_read(s);
 556             cursor.width = x = vmsvga_fifo_read(s);
 557             cursor.height = y = vmsvga_fifo_read(s);
 558             vmsvga_fifo_read(s);
 559             cursor.bpp = vmsvga_fifo_read(s);
 560             for (args = 0; args < SVGA_BITMAP_SIZE(x, y); args ++)
 561                 cursor.mask[args] = vmsvga_fifo_read_raw(s);
 562             for (args = 0; args < SVGA_PIXMAP_SIZE(x, y, cursor.bpp); args ++)
 563                 cursor.image[args] = vmsvga_fifo_read_raw(s);
 564 #ifdef HW_MOUSE_ACCEL
 565             vmsvga_cursor_define(s, &cursor);
 566             break;
 567 #else
 568             args = 0;
 569             goto badcmd;
 570 #endif
 571
 572         /*
 573          * Other commands that we at least know the number of arguments
 574          * for so we can avoid FIFO desync if driver uses them illegally.
 575          */
 576         case SVGA_CMD_DEFINE_ALPHA_CURSOR:
 577             vmsvga_fifo_read(s);
 578             vmsvga_fifo_read(s);
 579             vmsvga_fifo_read(s);
 580             x = vmsvga_fifo_read(s);
 581             y = vmsvga_fifo_read(s);
 582             args = x * y;
 583             goto badcmd;
 584         case SVGA_CMD_RECT_ROP_FILL:
 585             args = 6;
 586             goto badcmd;
 587         case SVGA_CMD_RECT_ROP_COPY:
 588             args = 7;
 589             goto badcmd;
 590         case SVGA_CMD_DRAW_GLYPH_CLIPPED:
 591             vmsvga_fifo_read(s);
 592             vmsvga_fifo_read(s);
 593             args = 7 + (vmsvga_fifo_read(s) >> 2);
 594             goto badcmd;
 595         case SVGA_CMD_SURFACE_ALPHA_BLEND:
 596             args = 12;
 597             goto badcmd;
 598
 599         /*
 600          * Other commands that are not listed as depending on any
 601          * CAPABILITIES bits, but are not described in the README either.
 602          */
 603         case SVGA_CMD_SURFACE_FILL:
 604         case SVGA_CMD_SURFACE_COPY:
 605         case SVGA_CMD_FRONT_ROP_FILL:
 606         case SVGA_CMD_FENCE:
 607         case SVGA_CMD_INVALID_CMD:
 608             break; /* Nop */
 609
 610         default:
 611         badcmd:
 612             while (args --)
 613                 vmsvga_fifo_read(s);
 614             printf("%s: Unknown command 0x%02x in SVGA command FIFO\n",
 615                             __FUNCTION__, cmd);
 616             break;
 617         }
 618
 619     s->syncing = 0;
 620 }
 621
 622 static uint32_t vmsvga_index_read(void *opaque, uint32_t address)
 623 {
 624     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 625     return s->index;
 626 }
 627
 628 static void vmsvga_index_write(void *opaque, uint32_t address, uint32_t index)
 629 {
 630     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 631     s->index = index;
 632 }
 633
 634 static uint32_t vmsvga_value_read(void *opaque, uint32_t address)
 635 {
 636     uint32_t caps;
 637     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 638     switch (s->index) {
 639     case SVGA_REG_ID:
 640         return s->svgaid;
 641
 642     case SVGA_REG_ENABLE:
 643         return s->enable;
 644
 645     case SVGA_REG_WIDTH:
 646         return s->width;
 647
 648     case SVGA_REG_HEIGHT:
 649         return s->height;
 650
 651     case SVGA_REG_MAX_WIDTH:
 652         return SVGA_MAX_WIDTH;
 653
 654     case SVGA_REG_MAX_HEIGHT:
 655         return SVGA_MAX_HEIGHT;
 656
 657     case SVGA_REG_DEPTH:
 658         return s->depth;
 659
 660     case SVGA_REG_BITS_PER_PIXEL:
 661         return (s->depth + 7) & ~7;
 662
 663     case SVGA_REG_PSEUDOCOLOR:
 664         return 0x0;
 665
 666     case SVGA_REG_RED_MASK:
 667         return s->wred;
 668     case SVGA_REG_GREEN_MASK:
 669         return s->wgreen;
 670     case SVGA_REG_BLUE_MASK:
 671         return s->wblue;
 672
 673     case SVGA_REG_BYTES_PER_LINE:
 674         return ((s->depth + 7) >> 3) * s->new_width;
 675
 676     case SVGA_REG_FB_START:
 677         return s->vram_base;
 678
 679     case SVGA_REG_FB_OFFSET:
 680         return 0x0;
 681
 682     case SVGA_REG_VRAM_SIZE:
 683         return s->vram_size - SVGA_FIFO_SIZE;
 684
 685     case SVGA_REG_FB_SIZE:
 686         return s->fb_size;
 687
 688     case SVGA_REG_CAPABILITIES:
 689         caps = SVGA_CAP_NONE;
 690 #ifdef HW_RECT_ACCEL
 691         caps |= SVGA_CAP_RECT_COPY;
 692 #endif
 693 #ifdef HW_FILL_ACCEL
 694         caps |= SVGA_CAP_RECT_FILL;
 695 #endif
 696 #ifdef HW_MOUSE_ACCEL
 697         if (s->ds->mouse_set)
 698             caps |= SVGA_CAP_CURSOR | SVGA_CAP_CURSOR_BYPASS_2 |
 699                     SVGA_CAP_CURSOR_BYPASS;
 700 #endif
 701         return caps;
 702
 703     case SVGA_REG_MEM_START:
 704         return s->vram_base + s->vram_size - SVGA_FIFO_SIZE;
 705
 706     case SVGA_REG_MEM_SIZE:
 707         return SVGA_FIFO_SIZE;
 708
 709     case SVGA_REG_CONFIG_DONE:
 710         return s->config;
 711
 712     case SVGA_REG_SYNC:
 713     case SVGA_REG_BUSY:
 714         return s->syncing;
 715
 716     case SVGA_REG_GUEST_ID:
 717         return s->guest;
 718
 719     case SVGA_REG_CURSOR_ID:
 720         return s->cursor.id;
 721
 722     case SVGA_REG_CURSOR_X:
 723         return s->cursor.x;
 724
 725     case SVGA_REG_CURSOR_Y:
 726         return s->cursor.x;
 727
 728     case SVGA_REG_CURSOR_ON:
 729         return s->cursor.on;
 730
 731     case SVGA_REG_HOST_BITS_PER_PIXEL:
 732         return (s->depth + 7) & ~7;
 733
 734     case SVGA_REG_SCRATCH_SIZE:
 735         return s->scratch_size;
 736
 737     case SVGA_REG_MEM_REGS:
 738     case SVGA_REG_NUM_DISPLAYS:
 739     case SVGA_REG_PITCHLOCK:
 740     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
 741         return 0;
 742
 743     default:
 744         if (s->index >= SVGA_SCRATCH_BASE &&
 745                 s->index < SVGA_SCRATCH_BASE + s->scratch_size)
 746             return s->scratch[s->index - SVGA_SCRATCH_BASE];
 747         printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
 748     }
 749
 750     return 0;
 751 }
 752
 753 static void vmsvga_value_write(void *opaque, uint32_t address, uint32_t value)
 754 {
 755     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 756     switch (s->index) {
 757     case SVGA_REG_ID:
 758         if (value == SVGA_ID_2 || value == SVGA_ID_1 || value == SVGA_ID_0)
 759             s->svgaid = value;
 760         break;
 761
 762     case SVGA_REG_ENABLE:
 763         s->enable = value;
 764         s->config &= !!value;
 765         s->width = -1;
 766         s->height = -1;
 767         s->invalidated = 1;
 768 #ifdef EMBED_STDVGA
 769         s->invalidate(opaque);
 770 #endif
 771         if (s->enable)
 772             s->fb_size = ((s->depth + 7) >> 3) * s->new_width * s->new_height;
 773         break;
 774
 775     case SVGA_REG_WIDTH:
 776         s->new_width = value;
 777         s->invalidated = 1;
 778         break;
 779
 780     case SVGA_REG_HEIGHT:
 781         s->new_height = value;
 782         s->invalidated = 1;
 783         break;
 784
 785     case SVGA_REG_DEPTH:
 786     case SVGA_REG_BITS_PER_PIXEL:
 787         if (value != s->depth) {
 788             printf("%s: Bad colour depth: %i bits\n", __FUNCTION__, value);
 789             s->config = 0;
 790         }
 791         break;
 792
 793     case SVGA_REG_CONFIG_DONE:
 794         if (value) {
 795             s->fifo = (uint32_t *) &s->vram[s->vram_size - SVGA_FIFO_SIZE];
 796             /* Check range and alignment.  */
 797             if ((CMD(min) | CMD(max) |
 798                         CMD(next_cmd) | CMD(stop)) & 3)
 799                 break;
 800             if (CMD(min) < (uint8_t *) s->cmd->fifo - (uint8_t *) s->fifo)
 801                 break;
 802             if (CMD(max) > SVGA_FIFO_SIZE)
 803                 break;
 804             if (CMD(max) < CMD(min) + 10 * 1024)
 805                 break;
 806         }
 807         s->config = !!value;
 808         break;
 809
 810     case SVGA_REG_SYNC:
 811         s->syncing = 1;
 812         vmsvga_fifo_run(s); /* Or should we just wait for update_display? */
 813         break;
 814
 815     case SVGA_REG_GUEST_ID:
 816         s->guest = value;
 817 #ifdef VERBOSE
 818         if (value >= GUEST_OS_BASE && value < GUEST_OS_BASE +
 819                 ARRAY_SIZE(vmsvga_guest_id))
 820             printf("%s: guest runs %s.\n", __FUNCTION__,
 821                             vmsvga_guest_id[value - GUEST_OS_BASE]);
 822 #endif
 823         break;
 824
 825     case SVGA_REG_CURSOR_ID:
 826         s->cursor.id = value;
 827         break;
 828
 829     case SVGA_REG_CURSOR_X:
 830         s->cursor.x = value;
 831         break;
 832
 833     case SVGA_REG_CURSOR_Y:
 834         s->cursor.y = value;
 835         break;
 836
 837     case SVGA_REG_CURSOR_ON:
 838         s->cursor.on |= (value == SVGA_CURSOR_ON_SHOW);
 839         s->cursor.on &= (value != SVGA_CURSOR_ON_HIDE);
 840 #ifdef HW_MOUSE_ACCEL
 841         if (s->ds->mouse_set && value <= SVGA_CURSOR_ON_SHOW)
 842             s->ds->mouse_set(s->cursor.x, s->cursor.y, s->cursor.on);
 843 #endif
 844         break;
 845
 846     case SVGA_REG_MEM_REGS:
 847     case SVGA_REG_NUM_DISPLAYS:
 848     case SVGA_REG_PITCHLOCK:
 849     case SVGA_PALETTE_BASE ... SVGA_PALETTE_END:
 850         break;
 851
 852     default:
 853         if (s->index >= SVGA_SCRATCH_BASE &&
 854                 s->index < SVGA_SCRATCH_BASE + s->scratch_size) {
 855             s->scratch[s->index - SVGA_SCRATCH_BASE] = value;
 856             break;
 857         }
 858         printf("%s: Bad register %02x\n", __FUNCTION__, s->index);
 859     }
 860 }
 861
 862 static uint32_t vmsvga_bios_read(void *opaque, uint32_t address)
 863 {
 864     printf("%s: what are we supposed to return?\n", __FUNCTION__);
 865     return 0xcafe;
 866 }
 867
 868 static void vmsvga_bios_write(void *opaque, uint32_t address, uint32_t data)
 869 {
 870     printf("%s: what are we supposed to do with (%08x)?\n",
 871                     __FUNCTION__, data);
 872 }
 873
 874 static inline void vmsvga_size(struct vmsvga_state_s *s)
 875 {
 876     if (s->new_width != s->width || s->new_height != s->height) {
 877         s->width = s->new_width;
 878         s->height = s->new_height;
 879         qemu_console_resize(s->ds, s->width, s->height);
 880         s->invalidated = 1;
 881     }
 882 }
 883
 884 static void vmsvga_update_display(void *opaque)
 885 {
 886     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 887     if (!s->enable) {
 888 #ifdef EMBED_STDVGA
 889         s->update(opaque);
 890 #endif
 891         return;
 892     }
 893
 894     vmsvga_size(s);
 895
 896     vmsvga_fifo_run(s);
 897     vmsvga_update_rect_flush(s);
 898
 899     /*
 900      * Is it more efficient to look at vram VGA-dirty bits or wait
 901      * for the driver to issue SVGA_CMD_UPDATE?
 902      */
 903     if (s->invalidated) {
 904         s->invalidated = 0;
 905         vmsvga_update_screen(s);
 906     }
 907 }
 908
 909 static void vmsvga_reset(struct vmsvga_state_s *s)
 910 {
 911     s->index = 0;
 912     s->enable = 0;
 913     s->config = 0;
 914     s->width = -1;
 915     s->height = -1;
 916     s->svgaid = SVGA_ID;
 917     s->depth = 24;
 918     s->bypp = (s->depth + 7) >> 3;
 919     s->cursor.on = 0;
 920     s->redraw_fifo_first = 0;
 921     s->redraw_fifo_last = 0;
 922     switch (s->depth) {
 923     case 8:
 924         s->wred   = 0x00000007;
 925         s->wgreen = 0x00000038;
 926         s->wblue  = 0x000000c0;
 927         break;
 928     case 15:
 929         s->wred   = 0x0000001f;
 930         s->wgreen = 0x000003e0;
 931         s->wblue  = 0x00007c00;
 932         break;
 933     case 16:
 934         s->wred   = 0x0000001f;
 935         s->wgreen = 0x000007e0;
 936         s->wblue  = 0x0000f800;
 937         break;
 938     case 24:
 939         s->wred   = 0x00ff0000;
 940         s->wgreen = 0x0000ff00;
 941         s->wblue  = 0x000000ff;
 942         break;
 943     case 32:
 944         s->wred   = 0x00ff0000;
 945         s->wgreen = 0x0000ff00;
 946         s->wblue  = 0x000000ff;
 947         break;
 948     }
 949     s->syncing = 0;
 950 }
 951
 952 static void vmsvga_invalidate_display(void *opaque)
 953 {
 954     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 955     if (!s->enable) {
 956 #ifdef EMBED_STDVGA
 957         s->invalidate(opaque);
 958 #endif
 959         return;
 960     }
 961
 962     s->invalidated = 1;
 963 }
 964
 965 /* save the vga display in a PPM image even if no display is
 966    available */
 967 static void vmsvga_screen_dump(void *opaque, const char *filename)
 968 {
 969     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 970     if (!s->enable) {
 971 #ifdef EMBED_STDVGA
 972         s->screen_dump(opaque, filename);
 973 #endif
 974         return;
 975     }
 976
 977     if (s->depth == 32) {
 978         DisplaySurface *ds = qemu_create_displaysurface_from(s->width,
 979                 s->height, 32, ds_get_linesize(s->ds), s->vram);
 980         ppm_save(filename, ds);
 981         qemu_free(ds);
 982     }
 983 }
 984
 985 static void vmsvga_text_update(void *opaque, console_ch_t *chardata)
 986 {
 987     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 988
 989     if (s->text_update)
 990         s->text_update(opaque, chardata);
 991 }
 992
 993 #ifdef DIRECT_VRAM
 994 static uint32_t vmsvga_vram_readb(void *opaque, target_phys_addr_t addr)
 995 {
 996     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
 997     if (addr < s->fb_size)
 998         return *(uint8_t *) (ds_get_data(s->ds) + addr);
 999     else
1000         return *(uint8_t *) (s->vram + addr);
1001 }
1002
1003 static uint32_t vmsvga_vram_readw(void *opaque, target_phys_addr_t addr)
1004 {
1005     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1006     if (addr < s->fb_size)
1007         return *(uint16_t *) (ds_get_data(s->ds) + addr);
1008     else
1009         return *(uint16_t *) (s->vram + addr);
1010 }
1011
1012 static uint32_t vmsvga_vram_readl(void *opaque, target_phys_addr_t addr)
1013 {
1014     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1015     if (addr < s->fb_size)
1016         return *(uint32_t *) (ds_get_data(s->ds) + addr);
1017     else
1018         return *(uint32_t *) (s->vram + addr);
1019 }
1020
1021 static void vmsvga_vram_writeb(void *opaque, target_phys_addr_t addr,
1022                 uint32_t value)
1023 {
1024     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1025     if (addr < s->fb_size)
1026         *(uint8_t *) (ds_get_data(s->ds) + addr) = value;
1027     else
1028         *(uint8_t *) (s->vram + addr) = value;
1029 }
1030
1031 static void vmsvga_vram_writew(void *opaque, target_phys_addr_t addr,
1032                 uint32_t value)
1033 {
1034     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1035     if (addr < s->fb_size)
1036         *(uint16_t *) (ds_get_data(s->ds) + addr) = value;
1037     else
1038         *(uint16_t *) (s->vram + addr) = value;
1039 }
1040
1041 static void vmsvga_vram_writel(void *opaque, target_phys_addr_t addr,
1042                 uint32_t value)
1043 {
1044     struct vmsvga_state_s *s = (struct vmsvga_state_s *) opaque;
1045     if (addr < s->fb_size)
1046         *(uint32_t *) (ds_get_data(s->ds) + addr) = value;
1047     else
1048         *(uint32_t *) (s->vram + addr) = value;
1049 }
1050
1051 static CPUReadMemoryFunc *vmsvga_vram_read[] = {
1052     vmsvga_vram_readb,
1053     vmsvga_vram_readw,
1054     vmsvga_vram_readl,
1055 };
1056
1057 static CPUWriteMemoryFunc *vmsvga_vram_write[] = {
1058     vmsvga_vram_writeb,
1059     vmsvga_vram_writew,
1060     vmsvga_vram_writel,
1061 };
1062 #endif
1063
1064 static void vmsvga_save(struct vmsvga_state_s *s, QEMUFile *f)
1065 {
1066     qemu_put_be32(f, s->depth);
1067     qemu_put_be32(f, s->enable);
1068     qemu_put_be32(f, s->config);
1069     qemu_put_be32(f, s->cursor.id);
1070     qemu_put_be32(f, s->cursor.x);
1071     qemu_put_be32(f, s->cursor.y);
1072     qemu_put_be32(f, s->cursor.on);
1073     qemu_put_be32(f, s->index);
1074     qemu_put_buffer(f, (uint8_t *) s->scratch, s->scratch_size * 4);
1075     qemu_put_be32(f, s->new_width);
1076     qemu_put_be32(f, s->new_height);
1077     qemu_put_be32s(f, &s->guest);
1078     qemu_put_be32s(f, &s->svgaid);
1079     qemu_put_be32(f, s->syncing);
1080     qemu_put_be32(f, s->fb_size);
1081 }
1082
1083 static int vmsvga_load(struct vmsvga_state_s *s, QEMUFile *f)
1084 {
1085     int depth;
1086     depth=qemu_get_be32(f);
1087     s->enable=qemu_get_be32(f);
1088     s->config=qemu_get_be32(f);
1089     s->cursor.id=qemu_get_be32(f);
1090     s->cursor.x=qemu_get_be32(f);
1091     s->cursor.y=qemu_get_be32(f);
1092     s->cursor.on=qemu_get_be32(f);
1093     s->index=qemu_get_be32(f);
1094     qemu_get_buffer(f, (uint8_t *) s->scratch, s->scratch_size * 4);
1095     s->new_width=qemu_get_be32(f);
1096     s->new_height=qemu_get_be32(f);
1097     qemu_get_be32s(f, &s->guest);
1098     qemu_get_be32s(f, &s->svgaid);
1099     s->syncing=qemu_get_be32(f);
1100     s->fb_size=qemu_get_be32(f);
1101
1102     if (s->enable && depth != s->depth) {
1103         printf("%s: need colour depth of %i bits to resume operation.\n",
1104                         __FUNCTION__, depth);
1105         return -EINVAL;
1106     }
1107
1108     s->invalidated = 1;
1109     if (s->config)
1110         s->fifo = (uint32_t *) &s->vram[s->vram_size - SVGA_FIFO_SIZE];
1111
1112     return 0;
1113 }
1114
1115 static void vmsvga_init(struct vmsvga_state_s *s,
1116                 uint8_t *vga_ram_base, unsigned long vga_ram_offset,
1117                 int vga_ram_size)
1118 {
1119     s->vram = vga_ram_base;
1120     s->vram_size = vga_ram_size;
1121     s->vram_offset = vga_ram_offset;
1122
1123     s->scratch_size = SVGA_SCRATCH_SIZE;
1124     s->scratch = (uint32_t *) qemu_malloc(s->scratch_size * 4);
1125
1126     vmsvga_reset(s);
1127
1128 #ifdef EMBED_STDVGA
1129     vga_common_init((VGAState *) s,
1130                     vga_ram_base, vga_ram_offset, vga_ram_size);
1131     vga_init((VGAState *) s);
1132 #endif
1133
1134     s->ds = graphic_console_init(vmsvga_update_display,
1135                                  vmsvga_invalidate_display,
1136                                  vmsvga_screen_dump,
1137                                  vmsvga_text_update, s);
1138
1139 #ifdef CONFIG_BOCHS_VBE
1140     /* XXX: use optimized standard vga accesses */
1141     cpu_register_physical_memory(VBE_DISPI_LFB_PHYSICAL_ADDRESS,
1142                                  vga_ram_size, vga_ram_offset);
1143 #endif
1144 }
1145
1146 static void pci_vmsvga_save(QEMUFile *f, void *opaque)
1147 {
1148     struct pci_vmsvga_state_s *s = (struct pci_vmsvga_state_s *) opaque;
1149     pci_device_save(&s->card, f);
1150     vmsvga_save(&s->chip, f);
1151 }
1152
1153 static int pci_vmsvga_load(QEMUFile *f, void *opaque, int version_id)
1154 {
1155     struct pci_vmsvga_state_s *s = (struct pci_vmsvga_state_s *) opaque;
1156     int ret;
1157
1158     ret = pci_device_load(&s->card, f);
1159     if (ret < 0)
1160         return ret;
1161
1162     ret = vmsvga_load(&s->chip, f);
1163     if (ret < 0)
1164         return ret;
1165
1166     return 0;
1167 }
1168
1169 static void pci_vmsvga_map_ioport(PCIDevice *pci_dev, int region_num,
1170                 uint32_t addr, uint32_t size, int type)
1171 {
1172     struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
1173     struct vmsvga_state_s *s = &d->chip;
1174
1175     register_ioport_read(addr + SVGA_IO_MUL * SVGA_INDEX_PORT,
1176                     1, 4, vmsvga_index_read, s);
1177     register_ioport_write(addr + SVGA_IO_MUL * SVGA_INDEX_PORT,
1178                     1, 4, vmsvga_index_write, s);
1179     register_ioport_read(addr + SVGA_IO_MUL * SVGA_VALUE_PORT,
1180                     1, 4, vmsvga_value_read, s);
1181     register_ioport_write(addr + SVGA_IO_MUL * SVGA_VALUE_PORT,
1182                     1, 4, vmsvga_value_write, s);
1183     register_ioport_read(addr + SVGA_IO_MUL * SVGA_BIOS_PORT,
1184                     1, 4, vmsvga_bios_read, s);
1185     register_ioport_write(addr + SVGA_IO_MUL * SVGA_BIOS_PORT,
1186                     1, 4, vmsvga_bios_write, s);
1187 }
1188
1189 static void pci_vmsvga_map_mem(PCIDevice *pci_dev, int region_num,
1190                 uint32_t addr, uint32_t size, int type)
1191 {
1192     struct pci_vmsvga_state_s *d = (struct pci_vmsvga_state_s *) pci_dev;
1193     struct vmsvga_state_s *s = &d->chip;
1194     ram_addr_t iomemtype;
1195
1196     s->vram_base = addr;
1197 #ifdef DIRECT_VRAM
1198     iomemtype = cpu_register_io_memory(0, vmsvga_vram_read,
1199                     vmsvga_vram_write, s);
1200 #else
1201     iomemtype = s->vram_offset | IO_MEM_RAM;
1202 #endif
1203     cpu_register_physical_memory(s->vram_base, s->vram_size,
1204                     iomemtype);
1205 }
1206
1207 #define PCI_CLASS_HEADERTYPE_00h        0x00
1208
1209 void pci_vmsvga_init(PCIBus *bus, uint8_t *vga_ram_base,
1210                      unsigned long vga_ram_offset, int vga_ram_size)
1211 {
1212     struct pci_vmsvga_state_s *s;
1213
1214     /* Setup PCI configuration */
1215     s = (struct pci_vmsvga_state_s *)
1216         pci_register_device(bus, "QEMUware SVGA",
1217                 sizeof(struct pci_vmsvga_state_s), -1, 0, 0);
1218     pci_config_set_vendor_id(s->card.config, PCI_VENDOR_ID_VMWARE);
1219     pci_config_set_device_id(s->card.config, SVGA_PCI_DEVICE_ID);
1220     s->card.config[PCI_COMMAND]         = 0x07;         /* I/O + Memory */
1221     pci_config_set_class(s->card.config, PCI_CLASS_DISPLAY_VGA);
1222     s->card.config[0x0c]                = 0x08;         /* Cache line size */
1223     s->card.config[0x0d]                = 0x40;         /* Latency timer */
1224     s->card.config[0x0e]                = PCI_CLASS_HEADERTYPE_00h;
1225     s->card.config[0x2c]                = PCI_VENDOR_ID_VMWARE & 0xff;
1226     s->card.config[0x2d]                = PCI_VENDOR_ID_VMWARE >> 8;
1227     s->card.config[0x2e]                = SVGA_PCI_DEVICE_ID & 0xff;
1228     s->card.config[0x2f]                = SVGA_PCI_DEVICE_ID >> 8;
1229     s->card.config[0x3c]                = 0xff;         /* End */
1230
1231     pci_register_io_region(&s->card, 0, 0x10,
1232                     PCI_ADDRESS_SPACE_IO, pci_vmsvga_map_ioport);
1233     pci_register_io_region(&s->card, 1, vga_ram_size,
1234                     PCI_ADDRESS_SPACE_MEM_PREFETCH, pci_vmsvga_map_mem);
1235
1236     vmsvga_init(&s->chip, vga_ram_base, vga_ram_offset, vga_ram_size);
1237
1238     register_savevm("vmware_vga", 0, 0, pci_vmsvga_save, pci_vmsvga_load, s);
1239 }