intel/intel_decode.c

   1 /*
   2  * Copyright © 2009-2011 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <stdint.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <stdbool.h>
  28 #include <stdarg.h>
  29 #include <string.h>
  30
  31 #include "intel_decode.h"
  32 #include "intel_chipset.h"
  33 #include "intel_bufmgr.h"
  34
  35 /* Struct for tracking drm_intel_decode state. */
  36 struct drm_intel_decode {
  37         /** PCI device ID. */
  38         uint32_t devid;
  39
  40         /** GPU address of the start of the batchbuffer data. */
  41         uint32_t hw_offset;
  42         /** CPU Virtual address of the start of the batchbuffer data. */
  43         uint32_t *data;
  44         /** Number of DWORDs of batchbuffer data. */
  45         uint32_t count;
  46
  47         /** @{
  48          * GPU head and tail pointers, which will be noted in the dump, or ~0.
  49          */
  50         uint32_t head, tail;
  51         /** @} */
  52
  53         /**
  54          * Whether to dump the dwords after MI_BATCHBUFFER_END.
  55          *
  56          * This sometimes provides clues in corrupted batchbuffers,
  57          * and is used by the intel-gpu-tools.
  58          */
  59         bool dump_past_end;
  60 };
  61
  62 static FILE *out;
  63 static uint32_t saved_s2 = 0, saved_s4 = 0;
  64 static char saved_s2_set = 0, saved_s4_set = 0;
  65 static uint32_t head_offset = 0xffffffff;       /* undefined */
  66 static uint32_t tail_offset = 0xffffffff;       /* undefined */
  67
  68 #ifndef ARRAY_SIZE
  69 #define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
  70 #endif
  71
  72 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  73     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  74             (_name), (_count), (_len));                         \
  75     (*failures)++;                                              \
  76     return count;                                               \
  77 } while (0)
  78
  79 static float int_as_float(uint32_t intval)
  80 {
  81         union intfloat {
  82                 uint32_t i;
  83                 float f;
  84         } uval;
  85
  86         uval.i = intval;
  87         return uval.f;
  88 }
  89
  90 static void
  91 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
  92           const char *fmt, ...) __attribute__((format(__printf__, 4, 5)));
  93
  94 static void
  95 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
  96           const char *fmt, ...)
  97 {
  98         va_list va;
  99         const char *parseinfo;
 100         uint32_t offset = hw_offset + index * 4;
 101
 102         if (offset == head_offset)
 103                 parseinfo = "HEAD";
 104         else if (offset == tail_offset)
 105                 parseinfo = "TAIL";
 106         else
 107                 parseinfo = "    ";
 108
 109         fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
 110                 data[index], index == 0 ? "" : "   ");
 111         va_start(va, fmt);
 112         vfprintf(out, fmt, va);
 113         va_end(va);
 114 }
 115
 116 static int
 117 decode_mi(uint32_t *data, uint32_t count, uint32_t hw_offset, int *failures)
 118 {
 119         unsigned int opcode, len = -1;
 120         const char *post_sync_op = "";
 121
 122         struct {
 123                 uint32_t opcode;
 124                 int len_mask;
 125                 unsigned int min_len;
 126                 unsigned int max_len;
 127                 const char *name;
 128         } opcodes_mi[] = {
 129                 { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
 130                 { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
 131                 { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
 132                 { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
 133                 { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
 134                 { 0x04, 0, 1, 1, "MI_FLUSH" },
 135                 { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
 136                 { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 137                 { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 138                 { 0x00, 0, 1, 1, "MI_NOOP" },
 139                 { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
 140                 { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
 141                 { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT" },
 142                 { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
 143                 { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
 144                 { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
 145                 { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
 146                 { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT" },
 147                 { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
 148                 { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
 149                 { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
 150         };
 151
 152         /* check instruction length */
 153         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 154              opcode++) {
 155                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 156                         len = 1;
 157                         if (opcodes_mi[opcode].max_len > 1) {
 158                                 len =
 159                                     (data[0] & opcodes_mi[opcode].len_mask) + 2;
 160                                 if (len < opcodes_mi[opcode].min_len
 161                                     || len > opcodes_mi[opcode].max_len) {
 162                                         fprintf(out,
 163                                                 "Bad length (%d) in %s, [%d, %d]\n",
 164                                                 len, opcodes_mi[opcode].name,
 165                                                 opcodes_mi[opcode].min_len,
 166                                                 opcodes_mi[opcode].max_len);
 167                                 }
 168                         }
 169                         break;
 170                 }
 171         }
 172
 173         switch ((data[0] & 0x1f800000) >> 23) {
 174         case 0x0a:
 175                 instr_out(data, hw_offset, 0, "MI_BATCH_BUFFER_END\n");
 176                 return -1;
 177         case 0x16:
 178                 instr_out(data, hw_offset, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
 179                           data[0] & (1 << 22) ? " global gtt," : "",
 180                           data[0] & (1 << 21) ? " update semaphore," : "",
 181                           data[0] & (1 << 20) ? " compare semaphore," : "",
 182                           data[0] & (1 << 18) ? " use compare reg" : "",
 183                           (data[0] & (0x3 << 16)) >> 16);
 184                 instr_out(data, hw_offset, 1, "value\n");
 185                 instr_out(data, hw_offset, 2, "address\n");
 186                 return len;
 187         case 0x21:
 188                 instr_out(data, hw_offset, 0, "MI_STORE_DATA_INDEX%s\n",
 189                           data[0] & (1 << 21) ? " use per-process HWS," : "");
 190                 instr_out(data, hw_offset, 1, "index\n");
 191                 instr_out(data, hw_offset, 2, "dword\n");
 192                 if (len == 4)
 193                         instr_out(data, hw_offset, 3, "upper dword\n");
 194                 return len;
 195         case 0x00:
 196                 if (data[0] & (1 << 22))
 197                         instr_out(data, hw_offset, 0,
 198                                   "MI_NOOP write NOPID reg, val=0x%x\n",
 199                                   data[0] & ((1 << 22) - 1));
 200                 else
 201                         instr_out(data, hw_offset, 0, "MI_NOOP\n");
 202                 return len;
 203         case 0x26:
 204                 switch (data[0] & (0x3 << 14)) {
 205                 case (0 << 14):
 206                         post_sync_op = "no write";
 207                         break;
 208                 case (1 << 14):
 209                         post_sync_op = "write data";
 210                         break;
 211                 case (2 << 14):
 212                         post_sync_op = "reserved";
 213                         break;
 214                 case (3 << 14):
 215                         post_sync_op = "write TIMESTAMP";
 216                         break;
 217                 }
 218                 instr_out(data, hw_offset, 0,
 219                           "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
 220                           data[0] & (1 << 22) ?
 221                           " enable protected mem (BCS-only)," : "",
 222                           data[0] & (1 << 21) ? " store in hws," : "",
 223                           data[0] & (1 << 18) ? " invalidate tlb," : "",
 224                           data[0] & (1 << 17) ? " flush gfdt," : "",
 225                           post_sync_op,
 226                           data[0] & (1 << 8) ? " enable notify interrupt," : "",
 227                           data[0] & (1 << 7) ?
 228                           " invalidate video state (BCS-only)," : "");
 229                 if (data[0] & (1 << 21))
 230                         instr_out(data, hw_offset, 1, "hws index\n");
 231                 else
 232                         instr_out(data, hw_offset, 1, "address\n");
 233                 instr_out(data, hw_offset, 2, "dword\n");
 234                 if (len == 4)
 235                         instr_out(data, hw_offset, 3, "upper dword\n");
 236                 return len;
 237         }
 238
 239         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 240              opcode++) {
 241                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 242                         unsigned int i;
 243
 244                         instr_out(data, hw_offset, 0, "%s\n",
 245                                   opcodes_mi[opcode].name);
 246                         for (i = 1; i < len; i++) {
 247                                 if (i >= count)
 248                                         BUFFER_FAIL(count, len,
 249                                                     opcodes_mi[opcode].name);
 250                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 251                         }
 252
 253                         return len;
 254                 }
 255         }
 256
 257         instr_out(data, hw_offset, 0, "MI UNKNOWN\n");
 258         (*failures)++;
 259         return 1;
 260 }
 261
 262 static void
 263 decode_2d_br00(uint32_t *data, uint32_t count, uint32_t hw_offset,
 264                const char *cmd)
 265 {
 266         instr_out(data, hw_offset, 0,
 267                   "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
 268                   cmd,
 269                   (data[count] & (1 << 20)) ? "en" : "dis",
 270                   (data[count] & (1 << 21)) ? "en" : "dis",
 271                   (data[count] >> 15) & 1, (data[count] >> 11) & 1);
 272 }
 273
 274 static void decode_2d_br01(uint32_t *data, uint32_t count, uint32_t hw_offset)
 275 {
 276         const char *format;
 277         switch ((data[count] >> 24) & 0x3) {
 278         case 0:
 279                 format = "8";
 280                 break;
 281         case 1:
 282                 format = "565";
 283                 break;
 284         case 2:
 285                 format = "1555";
 286                 break;
 287         case 3:
 288                 format = "8888";
 289                 break;
 290         }
 291
 292         instr_out(data, hw_offset, count, "format %s, pitch %d, rop 0x%02x, "
 293                   "clipping %sabled, %s%s \n",
 294                   format,
 295                   (short)(data[count] & 0xffff),
 296                   (data[count] >> 16) & 0xff,
 297                   data[count] & (1 << 30) ? "en" : "dis",
 298                   data[count] & (1 << 31) ? "solid pattern enabled, " : "",
 299                   data[count] & (1 << 31) ?
 300                   "mono pattern transparency enabled, " : "");
 301
 302 }
 303
 304 static int
 305 decode_2d(uint32_t *data, uint32_t count, uint32_t hw_offset, int *failures)
 306 {
 307         unsigned int opcode, len;
 308
 309         struct {
 310                 uint32_t opcode;
 311                 unsigned int min_len;
 312                 unsigned int max_len;
 313                 const char *name;
 314         } opcodes_2d[] = {
 315                 { 0x40, 5, 5, "COLOR_BLT" },
 316                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 317                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 318                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 319                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 320                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 321                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 322                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 323                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 324                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 325                 { 0x51, 6, 6, "XY_PAT_BLT" },
 326                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 327                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 328                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 329                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 330                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 331                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 332                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 333                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 334                 { 0x55, 9, 9, "XY_FULL_BLT" },
 335                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 336                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 337                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 338                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 339                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 340         };
 341
 342         switch ((data[0] & 0x1fc00000) >> 22) {
 343         case 0x25:
 344                 instr_out(data, hw_offset, 0,
 345                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 346                           (data[0] >> 12) & 0x8,
 347                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 348
 349                 len = (data[0] & 0x000000ff) + 2;
 350                 if (len != 3)
 351                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 352                 if (count < 3)
 353                         BUFFER_FAIL(count, len, "XY_SCANLINES_BLT");
 354
 355                 instr_out(data, hw_offset, 1, "dest (%d,%d)\n",
 356                           data[1] & 0xffff, data[1] >> 16);
 357                 instr_out(data, hw_offset, 2, "dest (%d,%d)\n",
 358                           data[2] & 0xffff, data[2] >> 16);
 359                 return len;
 360         case 0x01:
 361                 decode_2d_br00(data, 0, hw_offset, "XY_SETUP_BLT");
 362
 363                 len = (data[0] & 0x000000ff) + 2;
 364                 if (len != 8)
 365                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 366                 if (count < 8)
 367                         BUFFER_FAIL(count, len, "XY_SETUP_BLT");
 368
 369                 decode_2d_br01(data, 1, hw_offset);
 370                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 371                           data[2] & 0xffff, data[2] >> 16);
 372                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 373                           data[3] & 0xffff, data[3] >> 16);
 374                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 375                           data[4]);
 376                 instr_out(data, hw_offset, 5, "setup background color\n");
 377                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 378                 instr_out(data, hw_offset, 7, "color pattern offset\n");
 379                 return len;
 380         case 0x03:
 381                 decode_2d_br00(data, 0, hw_offset, "XY_SETUP_CLIP_BLT");
 382
 383                 len = (data[0] & 0x000000ff) + 2;
 384                 if (len != 3)
 385                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 386                 if (count < 3)
 387                         BUFFER_FAIL(count, len, "XY_SETUP_CLIP_BLT");
 388
 389                 instr_out(data, hw_offset, 1, "cliprect (%d,%d)\n",
 390                           data[1] & 0xffff, data[2] >> 16);
 391                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 392                           data[2] & 0xffff, data[3] >> 16);
 393                 return len;
 394         case 0x11:
 395                 decode_2d_br00(data, 0, hw_offset,
 396                                "XY_SETUP_MONO_PATTERN_SL_BLT");
 397
 398                 len = (data[0] & 0x000000ff) + 2;
 399                 if (len != 9)
 400                         fprintf(out,
 401                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 402                 if (count < 9)
 403                         BUFFER_FAIL(count, len, "XY_SETUP_MONO_PATTERN_SL_BLT");
 404
 405                 decode_2d_br01(data, 1, hw_offset);
 406                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 407                           data[2] & 0xffff, data[2] >> 16);
 408                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 409                           data[3] & 0xffff, data[3] >> 16);
 410                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 411                           data[4]);
 412                 instr_out(data, hw_offset, 5, "setup background color\n");
 413                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 414                 instr_out(data, hw_offset, 7, "mono pattern dw0\n");
 415                 instr_out(data, hw_offset, 8, "mono pattern dw1\n");
 416                 return len;
 417         case 0x50:
 418                 decode_2d_br00(data, 0, hw_offset, "XY_COLOR_BLT");
 419
 420                 len = (data[0] & 0x000000ff) + 2;
 421                 if (len != 6)
 422                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 423                 if (count < 6)
 424                         BUFFER_FAIL(count, len, "XY_COLOR_BLT");
 425
 426                 decode_2d_br01(data, 1, hw_offset);
 427                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
 428                           data[2] & 0xffff, data[2] >> 16);
 429                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
 430                           data[3] & 0xffff, data[3] >> 16);
 431                 instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
 432                 instr_out(data, hw_offset, 5, "color\n");
 433                 return len;
 434         case 0x53:
 435                 decode_2d_br00(data, 0, hw_offset, "XY_SRC_COPY_BLT");
 436
 437                 len = (data[0] & 0x000000ff) + 2;
 438                 if (len != 8)
 439                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 440                 if (count < 8)
 441                         BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
 442
 443                 decode_2d_br01(data, 1, hw_offset);
 444                 instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
 445                           data[2] & 0xffff, data[2] >> 16);
 446                 instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
 447                           data[3] & 0xffff, data[3] >> 16);
 448                 instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
 449                 instr_out(data, hw_offset, 5, "src (%d,%d)\n",
 450                           data[5] & 0xffff, data[5] >> 16);
 451                 instr_out(data, hw_offset, 6, "src pitch %d\n",
 452                           (short)(data[6] & 0xffff));
 453                 instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
 454                 return len;
 455         }
 456
 457         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 458              opcode++) {
 459                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 460                         unsigned int i;
 461
 462                         len = 1;
 463                         instr_out(data, hw_offset, 0, "%s\n",
 464                                   opcodes_2d[opcode].name);
 465                         if (opcodes_2d[opcode].max_len > 1) {
 466                                 len = (data[0] & 0x000000ff) + 2;
 467                                 if (len < opcodes_2d[opcode].min_len ||
 468                                     len > opcodes_2d[opcode].max_len) {
 469                                         fprintf(out, "Bad count in %s\n",
 470                                                 opcodes_2d[opcode].name);
 471                                 }
 472                         }
 473
 474                         for (i = 1; i < len; i++) {
 475                                 if (i >= count)
 476                                         BUFFER_FAIL(count, len,
 477                                                     opcodes_2d[opcode].name);
 478                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 479                         }
 480
 481                         return len;
 482                 }
 483         }
 484
 485         instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
 486         (*failures)++;
 487         return 1;
 488 }
 489
 490 static int
 491 decode_3d_1c(uint32_t *data, uint32_t count, uint32_t hw_offset, int *failures)
 492 {
 493         uint32_t opcode;
 494
 495         opcode = (data[0] & 0x00f80000) >> 19;
 496
 497         switch (opcode) {
 498         case 0x11:
 499                 instr_out(data, hw_offset, 0,
 500                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 501                 return 1;
 502         case 0x10:
 503                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 504                           data[0] & 1 ? "enabled" : "disabled");
 505                 return 1;
 506         case 0x01:
 507                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 508                 return 1;
 509         case 0x0a:
 510                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
 511                 return 1;
 512         case 0x05:
 513                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 514                 return 1;
 515         }
 516
 517         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 518                   opcode);
 519         (*failures)++;
 520         return 1;
 521 }
 522
 523 /** Sets the string dstname to describe the destination of the PS instruction */
 524 static void
 525 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 526 {
 527         uint32_t a0 = data[i];
 528         int dst_nr = (a0 >> 14) & 0xf;
 529         char dstmask[8];
 530         const char *sat;
 531
 532         if (do_mask) {
 533                 if (((a0 >> 10) & 0xf) == 0xf) {
 534                         dstmask[0] = 0;
 535                 } else {
 536                         int dstmask_index = 0;
 537
 538                         dstmask[dstmask_index++] = '.';
 539                         if (a0 & (1 << 10))
 540                                 dstmask[dstmask_index++] = 'x';
 541                         if (a0 & (1 << 11))
 542                                 dstmask[dstmask_index++] = 'y';
 543                         if (a0 & (1 << 12))
 544                                 dstmask[dstmask_index++] = 'z';
 545                         if (a0 & (1 << 13))
 546                                 dstmask[dstmask_index++] = 'w';
 547                         dstmask[dstmask_index++] = 0;
 548                 }
 549
 550                 if (a0 & (1 << 22))
 551                         sat = ".sat";
 552                 else
 553                         sat = "";
 554         } else {
 555                 dstmask[0] = 0;
 556                 sat = "";
 557         }
 558
 559         switch ((a0 >> 19) & 0x7) {
 560         case 0:
 561                 if (dst_nr > 15)
 562                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 563                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 564                 break;
 565         case 4:
 566                 if (dst_nr > 0)
 567                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 568                 sprintf(dstname, "oC%s%s", dstmask, sat);
 569                 break;
 570         case 5:
 571                 if (dst_nr > 0)
 572                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 573                 sprintf(dstname, "oD%s%s", dstmask, sat);
 574                 break;
 575         case 6:
 576                 if (dst_nr > 3)
 577                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 578                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 579                 break;
 580         default:
 581                 sprintf(dstname, "RESERVED");
 582                 break;
 583         }
 584 }
 585
 586 static const char *
 587 i915_get_channel_swizzle(uint32_t select)
 588 {
 589         switch (select & 0x7) {
 590         case 0:
 591                 return (select & 8) ? "-x" : "x";
 592         case 1:
 593                 return (select & 8) ? "-y" : "y";
 594         case 2:
 595                 return (select & 8) ? "-z" : "z";
 596         case 3:
 597                 return (select & 8) ? "-w" : "w";
 598         case 4:
 599                 return (select & 8) ? "-0" : "0";
 600         case 5:
 601                 return (select & 8) ? "-1" : "1";
 602         default:
 603                 return (select & 8) ? "-bad" : "bad";
 604         }
 605 }
 606
 607 static void
 608 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 609 {
 610         switch (src_type) {
 611         case 0:
 612                 sprintf(name, "R%d", src_nr);
 613                 if (src_nr > 15)
 614                         fprintf(out, "bad src reg %s\n", name);
 615                 break;
 616         case 1:
 617                 if (src_nr < 8)
 618                         sprintf(name, "T%d", src_nr);
 619                 else if (src_nr == 8)
 620                         sprintf(name, "DIFFUSE");
 621                 else if (src_nr == 9)
 622                         sprintf(name, "SPECULAR");
 623                 else if (src_nr == 10)
 624                         sprintf(name, "FOG");
 625                 else {
 626                         fprintf(out, "bad src reg T%d\n", src_nr);
 627                         sprintf(name, "RESERVED");
 628                 }
 629                 break;
 630         case 2:
 631                 sprintf(name, "C%d", src_nr);
 632                 if (src_nr > 31)
 633                         fprintf(out, "bad src reg %s\n", name);
 634                 break;
 635         case 4:
 636                 sprintf(name, "oC");
 637                 if (src_nr > 0)
 638                         fprintf(out, "bad src reg oC%d\n", src_nr);
 639                 break;
 640         case 5:
 641                 sprintf(name, "oD");
 642                 if (src_nr > 0)
 643                         fprintf(out, "bad src reg oD%d\n", src_nr);
 644                 break;
 645         case 6:
 646                 sprintf(name, "U%d", src_nr);
 647                 if (src_nr > 3)
 648                         fprintf(out, "bad src reg %s\n", name);
 649                 break;
 650         default:
 651                 fprintf(out, "bad src reg type %d\n", src_type);
 652                 sprintf(name, "RESERVED");
 653                 break;
 654         }
 655 }
 656
 657 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 658 {
 659         uint32_t a0 = data[i];
 660         uint32_t a1 = data[i + 1];
 661         int src_nr = (a0 >> 2) & 0x1f;
 662         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 663         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 664         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 665         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 666         char swizzle[100];
 667
 668         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 669         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 670                 swizzle_w);
 671         if (strcmp(swizzle, ".xyzw") != 0)
 672                 strcat(srcname, swizzle);
 673 }
 674
 675 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 676 {
 677         uint32_t a1 = data[i + 1];
 678         uint32_t a2 = data[i + 2];
 679         int src_nr = (a1 >> 8) & 0x1f;
 680         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 681         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 682         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 683         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 684         char swizzle[100];
 685
 686         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 687         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 688                 swizzle_w);
 689         if (strcmp(swizzle, ".xyzw") != 0)
 690                 strcat(srcname, swizzle);
 691 }
 692
 693 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 694 {
 695         uint32_t a2 = data[i + 2];
 696         int src_nr = (a2 >> 16) & 0x1f;
 697         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 698         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 699         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 700         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 701         char swizzle[100];
 702
 703         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 704         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 705                 swizzle_w);
 706         if (strcmp(swizzle, ".xyzw") != 0)
 707                 strcat(srcname, swizzle);
 708 }
 709
 710 static void
 711 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 712 {
 713         switch (src_type) {
 714         case 0:
 715                 sprintf(name, "R%d", src_nr);
 716                 if (src_nr > 15)
 717                         fprintf(out, "bad src reg %s\n", name);
 718                 break;
 719         case 1:
 720                 if (src_nr < 8)
 721                         sprintf(name, "T%d", src_nr);
 722                 else if (src_nr == 8)
 723                         sprintf(name, "DIFFUSE");
 724                 else if (src_nr == 9)
 725                         sprintf(name, "SPECULAR");
 726                 else if (src_nr == 10)
 727                         sprintf(name, "FOG");
 728                 else {
 729                         fprintf(out, "bad src reg T%d\n", src_nr);
 730                         sprintf(name, "RESERVED");
 731                 }
 732                 break;
 733         case 4:
 734                 sprintf(name, "oC");
 735                 if (src_nr > 0)
 736                         fprintf(out, "bad src reg oC%d\n", src_nr);
 737                 break;
 738         case 5:
 739                 sprintf(name, "oD");
 740                 if (src_nr > 0)
 741                         fprintf(out, "bad src reg oD%d\n", src_nr);
 742                 break;
 743         default:
 744                 fprintf(out, "bad src reg type %d\n", src_type);
 745                 sprintf(name, "RESERVED");
 746                 break;
 747         }
 748 }
 749
 750 static void
 751 i915_decode_alu1(uint32_t *data, uint32_t hw_offset,
 752                  int i, char *instr_prefix, const char *op_name)
 753 {
 754         char dst[100], src0[100];
 755
 756         i915_get_instruction_dst(data, i, dst, 1);
 757         i915_get_instruction_src0(data, i, src0);
 758
 759         instr_out(data, hw_offset, i++, "%s: %s %s, %s\n", instr_prefix,
 760                   op_name, dst, src0);
 761         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 762         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 763 }
 764
 765 static void
 766 i915_decode_alu2(uint32_t *data, uint32_t hw_offset,
 767                  int i, char *instr_prefix, const char *op_name)
 768 {
 769         char dst[100], src0[100], src1[100];
 770
 771         i915_get_instruction_dst(data, i, dst, 1);
 772         i915_get_instruction_src0(data, i, src0);
 773         i915_get_instruction_src1(data, i, src1);
 774
 775         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 776                   op_name, dst, src0, src1);
 777         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 778         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 779 }
 780
 781 static void
 782 i915_decode_alu3(uint32_t *data, uint32_t hw_offset,
 783                  int i, char *instr_prefix, const char *op_name)
 784 {
 785         char dst[100], src0[100], src1[100], src2[100];
 786
 787         i915_get_instruction_dst(data, i, dst, 1);
 788         i915_get_instruction_src0(data, i, src0);
 789         i915_get_instruction_src1(data, i, src1);
 790         i915_get_instruction_src2(data, i, src2);
 791
 792         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 793                   op_name, dst, src0, src1, src2);
 794         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 795         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 796 }
 797
 798 static void
 799 i915_decode_tex(uint32_t *data, uint32_t hw_offset, int i,
 800                 const char *instr_prefix, const char *tex_name)
 801 {
 802         uint32_t t0 = data[i];
 803         uint32_t t1 = data[i + 1];
 804         char dst_name[100];
 805         char addr_name[100];
 806         int sampler_nr;
 807
 808         i915_get_instruction_dst(data, i, dst_name, 0);
 809         i915_get_instruction_addr((t1 >> 24) & 0x7,
 810                                   (t1 >> 17) & 0xf, addr_name);
 811         sampler_nr = t0 & 0xf;
 812
 813         instr_out(data, hw_offset, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 814                   tex_name, dst_name, sampler_nr, addr_name);
 815         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 816         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 817 }
 818
 819 static void
 820 i915_decode_dcl(uint32_t *data, uint32_t hw_offset, int i, char *instr_prefix)
 821 {
 822         uint32_t d0 = data[i];
 823         const char *sampletype;
 824         int dcl_nr = (d0 >> 14) & 0xf;
 825         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 826         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 827         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 828         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 829         char dcl_mask[10];
 830
 831         switch ((d0 >> 19) & 0x3) {
 832         case 1:
 833                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 834                 if (strcmp(dcl_mask, ".") == 0)
 835                         fprintf(out, "bad (empty) dcl mask\n");
 836
 837                 if (dcl_nr > 10)
 838                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 839                 if (dcl_nr < 8) {
 840                         if (strcmp(dcl_mask, ".x") != 0 &&
 841                             strcmp(dcl_mask, ".xy") != 0 &&
 842                             strcmp(dcl_mask, ".xz") != 0 &&
 843                             strcmp(dcl_mask, ".w") != 0 &&
 844                             strcmp(dcl_mask, ".xyzw") != 0) {
 845                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 846                                         dcl_mask);
 847                         }
 848                         instr_out(data, hw_offset, i++, "%s: DCL T%d%s\n",
 849                                   instr_prefix, dcl_nr, dcl_mask);
 850                 } else {
 851                         if (strcmp(dcl_mask, ".xz") == 0)
 852                                 fprintf(out, "errataed bad dcl mask %s\n",
 853                                         dcl_mask);
 854                         else if (strcmp(dcl_mask, ".xw") == 0)
 855                                 fprintf(out, "errataed bad dcl mask %s\n",
 856                                         dcl_mask);
 857                         else if (strcmp(dcl_mask, ".xzw") == 0)
 858                                 fprintf(out, "errataed bad dcl mask %s\n",
 859                                         dcl_mask);
 860
 861                         if (dcl_nr == 8) {
 862                                 instr_out(data, hw_offset, i++,
 863                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 864                                           dcl_mask);
 865                         } else if (dcl_nr == 9) {
 866                                 instr_out(data, hw_offset, i++,
 867                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 868                                           dcl_mask);
 869                         } else if (dcl_nr == 10) {
 870                                 instr_out(data, hw_offset, i++,
 871                                           "%s: DCL FOG%s\n", instr_prefix,
 872                                           dcl_mask);
 873                         }
 874                 }
 875                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 876                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 877                 break;
 878         case 3:
 879                 switch ((d0 >> 22) & 0x3) {
 880                 case 0:
 881                         sampletype = "2D";
 882                         break;
 883                 case 1:
 884                         sampletype = "CUBE";
 885                         break;
 886                 case 2:
 887                         sampletype = "3D";
 888                         break;
 889                 default:
 890                         sampletype = "RESERVED";
 891                         break;
 892                 }
 893                 if (dcl_nr > 15)
 894                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 895                 instr_out(data, hw_offset, i++, "%s: DCL S%d %s\n",
 896                           instr_prefix, dcl_nr, sampletype);
 897                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 898                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 899                 break;
 900         default:
 901                 instr_out(data, hw_offset, i++, "%s: DCL RESERVED%d\n",
 902                           instr_prefix, dcl_nr);
 903                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 904                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 905         }
 906 }
 907
 908 static void
 909 i915_decode_instruction(uint32_t *data, uint32_t hw_offset,
 910                         int i, char *instr_prefix)
 911 {
 912         switch ((data[i] >> 24) & 0x1f) {
 913         case 0x0:
 914                 instr_out(data, hw_offset, i++, "%s: NOP\n", instr_prefix);
 915                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 916                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 917                 break;
 918         case 0x01:
 919                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "ADD");
 920                 break;
 921         case 0x02:
 922                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOV");
 923                 break;
 924         case 0x03:
 925                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MUL");
 926                 break;
 927         case 0x04:
 928                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "MAD");
 929                 break;
 930         case 0x05:
 931                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "DP2ADD");
 932                 break;
 933         case 0x06:
 934                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP3");
 935                 break;
 936         case 0x07:
 937                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP4");
 938                 break;
 939         case 0x08:
 940                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FRC");
 941                 break;
 942         case 0x09:
 943                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RCP");
 944                 break;
 945         case 0x0a:
 946                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RSQ");
 947                 break;
 948         case 0x0b:
 949                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "EXP");
 950                 break;
 951         case 0x0c:
 952                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "LOG");
 953                 break;
 954         case 0x0d:
 955                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "CMP");
 956                 break;
 957         case 0x0e:
 958                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MIN");
 959                 break;
 960         case 0x0f:
 961                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MAX");
 962                 break;
 963         case 0x10:
 964                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FLR");
 965                 break;
 966         case 0x11:
 967                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOD");
 968                 break;
 969         case 0x12:
 970                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "TRC");
 971                 break;
 972         case 0x13:
 973                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SGE");
 974                 break;
 975         case 0x14:
 976                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SLT");
 977                 break;
 978         case 0x15:
 979                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLD");
 980                 break;
 981         case 0x16:
 982                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDP");
 983                 break;
 984         case 0x17:
 985                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDB");
 986                 break;
 987         case 0x19:
 988                 i915_decode_dcl(data, hw_offset, i, instr_prefix);
 989                 break;
 990         default:
 991                 instr_out(data, hw_offset, i++, "%s: unknown\n", instr_prefix);
 992                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 993                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 994                 break;
 995         }
 996 }
 997
 998 static const char *
 999 decode_compare_func(uint32_t op)
1000 {
1001         switch (op & 0x7) {
1002         case 0:
1003                 return "always";
1004         case 1:
1005                 return "never";
1006         case 2:
1007                 return "less";
1008         case 3:
1009                 return "equal";
1010         case 4:
1011                 return "lequal";
1012         case 5:
1013                 return "greater";
1014         case 6:
1015                 return "notequal";
1016         case 7:
1017                 return "gequal";
1018         }
1019         return "";
1020 }
1021
1022 static const char *
1023 decode_stencil_op(uint32_t op)
1024 {
1025         switch (op & 0x7) {
1026         case 0:
1027                 return "keep";
1028         case 1:
1029                 return "zero";
1030         case 2:
1031                 return "replace";
1032         case 3:
1033                 return "incr_sat";
1034         case 4:
1035                 return "decr_sat";
1036         case 5:
1037                 return "greater";
1038         case 6:
1039                 return "incr";
1040         case 7:
1041                 return "decr";
1042         }
1043         return "";
1044 }
1045
1046 static const char *
1047 decode_logic_op(uint32_t op)
1048 {
1049         switch (op & 0xf) {
1050         case 0:
1051                 return "clear";
1052         case 1:
1053                 return "nor";
1054         case 2:
1055                 return "and_inv";
1056         case 3:
1057                 return "copy_inv";
1058         case 4:
1059                 return "and_rvrse";
1060         case 5:
1061                 return "inv";
1062         case 6:
1063                 return "xor";
1064         case 7:
1065                 return "nand";
1066         case 8:
1067                 return "and";
1068         case 9:
1069                 return "equiv";
1070         case 10:
1071                 return "noop";
1072         case 11:
1073                 return "or_inv";
1074         case 12:
1075                 return "copy";
1076         case 13:
1077                 return "or_rvrse";
1078         case 14:
1079                 return "or";
1080         case 15:
1081                 return "set";
1082         }
1083         return "";
1084 }
1085
1086 static const char *
1087 decode_blend_fact(uint32_t op)
1088 {
1089         switch (op & 0xf) {
1090         case 1:
1091                 return "zero";
1092         case 2:
1093                 return "one";
1094         case 3:
1095                 return "src_colr";
1096         case 4:
1097                 return "inv_src_colr";
1098         case 5:
1099                 return "src_alpha";
1100         case 6:
1101                 return "inv_src_alpha";
1102         case 7:
1103                 return "dst_alpha";
1104         case 8:
1105                 return "inv_dst_alpha";
1106         case 9:
1107                 return "dst_colr";
1108         case 10:
1109                 return "inv_dst_colr";
1110         case 11:
1111                 return "src_alpha_sat";
1112         case 12:
1113                 return "cnst_colr";
1114         case 13:
1115                 return "inv_cnst_colr";
1116         case 14:
1117                 return "cnst_alpha";
1118         case 15:
1119                 return "inv_const_alpha";
1120         }
1121         return "";
1122 }
1123
1124 static const char *
1125 decode_tex_coord_mode(uint32_t mode)
1126 {
1127         switch (mode & 0x7) {
1128         case 0:
1129                 return "wrap";
1130         case 1:
1131                 return "mirror";
1132         case 2:
1133                 return "clamp_edge";
1134         case 3:
1135                 return "cube";
1136         case 4:
1137                 return "clamp_border";
1138         case 5:
1139                 return "mirror_once";
1140         }
1141         return "";
1142 }
1143
1144 static const char *
1145 decode_sample_filter(uint32_t mode)
1146 {
1147         switch (mode & 0x7) {
1148         case 0:
1149                 return "nearest";
1150         case 1:
1151                 return "linear";
1152         case 2:
1153                 return "anisotropic";
1154         case 3:
1155                 return "4x4_1";
1156         case 4:
1157                 return "4x4_2";
1158         case 5:
1159                 return "4x4_flat";
1160         case 6:
1161                 return "6x5_mono";
1162         }
1163         return "";
1164 }
1165
1166 static int
1167 decode_3d_1d(uint32_t *data, uint32_t count,
1168              uint32_t hw_offset, uint32_t devid, int *failures)
1169 {
1170         unsigned int len, i, c, idx, word, map, sampler, instr;
1171         const char *format, *zformat, *type;
1172         uint32_t opcode;
1173
1174         struct {
1175                 uint32_t opcode;
1176                 int i830_only;
1177                 unsigned int min_len;
1178                 unsigned int max_len;
1179                 const char *name;
1180         } opcodes_3d_1d[] = {
1181                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1182                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1183                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1184                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1185                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1186                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1187                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1188                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1189                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1190                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1191                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1192                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1193                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1194                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1195                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1196                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1197         }, *opcode_3d_1d;
1198
1199         opcode = (data[0] & 0x00ff0000) >> 16;
1200
1201         switch (opcode) {
1202         case 0x07:
1203                 /* This instruction is unusual.  A 0 length means just
1204                  * 1 DWORD instead of 2.  The 0 length is specified in
1205                  * one place to be unsupported, but stated to be
1206                  * required in another, and 0 length LOAD_INDIRECTs
1207                  * appear to cause no harm at least.
1208                  */
1209                 instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
1210                 len = (data[0] & 0x000000ff) + 1;
1211                 i = 1;
1212                 if (data[0] & (0x01 << 8)) {
1213                         if (i + 2 >= count)
1214                                 BUFFER_FAIL(count, len,
1215                                             "3DSTATE_LOAD_INDIRECT");
1216                         instr_out(data, hw_offset, i++, "SIS.0\n");
1217                         instr_out(data, hw_offset, i++, "SIS.1\n");
1218                 }
1219                 if (data[0] & (0x02 << 8)) {
1220                         if (i + 1 >= count)
1221                                 BUFFER_FAIL(count, len,
1222                                             "3DSTATE_LOAD_INDIRECT");
1223                         instr_out(data, hw_offset, i++, "DIS.0\n");
1224                 }
1225                 if (data[0] & (0x04 << 8)) {
1226                         if (i + 2 >= count)
1227                                 BUFFER_FAIL(count, len,
1228                                             "3DSTATE_LOAD_INDIRECT");
1229                         instr_out(data, hw_offset, i++, "SSB.0\n");
1230                         instr_out(data, hw_offset, i++, "SSB.1\n");
1231                 }
1232                 if (data[0] & (0x08 << 8)) {
1233                         if (i + 2 >= count)
1234                                 BUFFER_FAIL(count, len,
1235                                             "3DSTATE_LOAD_INDIRECT");
1236                         instr_out(data, hw_offset, i++, "MSB.0\n");
1237                         instr_out(data, hw_offset, i++, "MSB.1\n");
1238                 }
1239                 if (data[0] & (0x10 << 8)) {
1240                         if (i + 2 >= count)
1241                                 BUFFER_FAIL(count, len,
1242                                             "3DSTATE_LOAD_INDIRECT");
1243                         instr_out(data, hw_offset, i++, "PSP.0\n");
1244                         instr_out(data, hw_offset, i++, "PSP.1\n");
1245                 }
1246                 if (data[0] & (0x20 << 8)) {
1247                         if (i + 2 >= count)
1248                                 BUFFER_FAIL(count, len,
1249                                             "3DSTATE_LOAD_INDIRECT");
1250                         instr_out(data, hw_offset, i++, "PSC.0\n");
1251                         instr_out(data, hw_offset, i++, "PSC.1\n");
1252                 }
1253                 if (len != i) {
1254                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1255                         (*failures)++;
1256                         return len;
1257                 }
1258                 return len;
1259         case 0x04:
1260                 instr_out(data, hw_offset, 0,
1261                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1262                 len = (data[0] & 0x0000000f) + 2;
1263                 i = 1;
1264                 for (word = 0; word <= 8; word++) {
1265                         if (data[0] & (1 << (4 + word))) {
1266                                 if (i >= count)
1267                                         BUFFER_FAIL(count, len,
1268                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_1");
1269
1270                                 /* save vertex state for decode */
1271                                 if (!IS_GEN2(devid)) {
1272                                         int tex_num;
1273
1274                                         if (word == 2) {
1275                                                 saved_s2_set = 1;
1276                                                 saved_s2 = data[i];
1277                                         }
1278                                         if (word == 4) {
1279                                                 saved_s4_set = 1;
1280                                                 saved_s4 = data[i];
1281                                         }
1282
1283                                         switch (word) {
1284                                         case 0:
1285                                                 instr_out(data, hw_offset, i,
1286                                                           "S0: vbo offset: 0x%08x%s\n",
1287                                                           data[i] & (~1),
1288                                                           data[i] & 1 ?
1289                                                           ", auto cache invalidate disabled"
1290                                                           : "");
1291                                                 break;
1292                                         case 1:
1293                                                 instr_out(data, hw_offset, i,
1294                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1295                                                           (data[i] >> 24) &
1296                                                           0x3f,
1297                                                           (data[i] >> 16) &
1298                                                           0x3f);
1299                                                 break;
1300                                         case 2:
1301                                                 instr_out(data, hw_offset, i,
1302                                                           "S2: texcoord formats: ");
1303                                                 for (tex_num = 0;
1304                                                      tex_num < 8; tex_num++) {
1305                                                         switch ((data[i] >>
1306                                                                  tex_num *
1307                                                                  4) & 0xf) {
1308                                                         case 0:
1309                                                                 fprintf(out,
1310                                                                         "%i=2D ",
1311                                                                         tex_num);
1312                                                                 break;
1313                                                         case 1:
1314                                                                 fprintf(out,
1315                                                                         "%i=3D ",
1316                                                                         tex_num);
1317                                                                 break;
1318                                                         case 2:
1319                                                                 fprintf(out,
1320                                                                         "%i=4D ",
1321                                                                         tex_num);
1322                                                                 break;
1323                                                         case 3:
1324                                                                 fprintf(out,
1325                                                                         "%i=1D ",
1326                                                                         tex_num);
1327                                                                 break;
1328                                                         case 4:
1329                                                                 fprintf(out,
1330                                                                         "%i=2D_16 ",
1331                                                                         tex_num);
1332                                                                 break;
1333                                                         case 5:
1334                                                                 fprintf(out,
1335                                                                         "%i=4D_16 ",
1336                                                                         tex_num);
1337                                                                 break;
1338                                                         case 0xf:
1339                                                                 fprintf(out,
1340                                                                         "%i=NP ",
1341                                                                         tex_num);
1342                                                                 break;
1343                                                         }
1344                                                 }
1345                                                 fprintf(out, "\n");
1346
1347                                                 break;
1348                                         case 3:
1349                                                 instr_out(data, hw_offset, i,
1350                                                           "S3: not documented\n");
1351                                                 break;
1352                                         case 4:
1353                                                 {
1354                                                         const char *cullmode = "";
1355                                                         const char *vfmt_xyzw = "";
1356                                                         switch ((data[i] >> 13)
1357                                                                 & 0x3) {
1358                                                         case 0:
1359                                                                 cullmode =
1360                                                                     "both";
1361                                                                 break;
1362                                                         case 1:
1363                                                                 cullmode =
1364                                                                     "none";
1365                                                                 break;
1366                                                         case 2:
1367                                                                 cullmode = "cw";
1368                                                                 break;
1369                                                         case 3:
1370                                                                 cullmode =
1371                                                                     "ccw";
1372                                                                 break;
1373                                                         }
1374                                                         switch (data[i] &
1375                                                                 (7 << 6 | 1 <<
1376                                                                  2)) {
1377                                                         case 1 << 6:
1378                                                                 vfmt_xyzw =
1379                                                                     "XYZ,";
1380                                                                 break;
1381                                                         case 2 << 6:
1382                                                                 vfmt_xyzw =
1383                                                                     "XYZW,";
1384                                                                 break;
1385                                                         case 3 << 6:
1386                                                                 vfmt_xyzw =
1387                                                                     "XY,";
1388                                                                 break;
1389                                                         case 4 << 6:
1390                                                                 vfmt_xyzw =
1391                                                                     "XYW,";
1392                                                                 break;
1393                                                         case 1 << 6 | 1 << 2:
1394                                                                 vfmt_xyzw =
1395                                                                     "XYZF,";
1396                                                                 break;
1397                                                         case 2 << 6 | 1 << 2:
1398                                                                 vfmt_xyzw =
1399                                                                     "XYZWF,";
1400                                                                 break;
1401                                                         case 3 << 6 | 1 << 2:
1402                                                                 vfmt_xyzw =
1403                                                                     "XYF,";
1404                                                                 break;
1405                                                         case 4 << 6 | 1 << 2:
1406                                                                 vfmt_xyzw =
1407                                                                     "XYWF,";
1408                                                                 break;
1409                                                         }
1410                                                         instr_out(data,
1411                                                                   hw_offset, i,
1412                                                                   "S4: point_width=%i, line_width=%.1f,"
1413                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1414                                                                   "%s%s%s%s%s\n",
1415                                                                   (data[i] >>
1416                                                                    23) & 0x1ff,
1417                                                                   ((data[i] >>
1418                                                                     19) & 0xf) /
1419                                                                   2.0,
1420                                                                   data[i] & (0xf
1421                                                                              <<
1422                                                                              15)
1423                                                                   ?
1424                                                                   " flatshade="
1425                                                                   : "",
1426                                                                   data[i] & (1
1427                                                                              <<
1428                                                                              18)
1429                                                                   ? "Alpha," :
1430                                                                   "",
1431                                                                   data[i] & (1
1432                                                                              <<
1433                                                                              17)
1434                                                                   ? "Fog," : "",
1435                                                                   data[i] & (1
1436                                                                              <<
1437                                                                              16)
1438                                                                   ? "Specular,"
1439                                                                   : "",
1440                                                                   data[i] & (1
1441                                                                              <<
1442                                                                              15)
1443                                                                   ? "Color," :
1444                                                                   "", cullmode,
1445                                                                   data[i] & (1
1446                                                                              <<
1447                                                                              12)
1448                                                                   ?
1449                                                                   "PointWidth,"
1450                                                                   : "",
1451                                                                   data[i] & (1
1452                                                                              <<
1453                                                                              11)
1454                                                                   ? "SpecFog," :
1455                                                                   "",
1456                                                                   data[i] & (1
1457                                                                              <<
1458                                                                              10)
1459                                                                   ? "Color," :
1460                                                                   "",
1461                                                                   data[i] & (1
1462                                                                              <<
1463                                                                              9)
1464                                                                   ? "DepthOfs,"
1465                                                                   : "",
1466                                                                   vfmt_xyzw,
1467                                                                   data[i] & (1
1468                                                                              <<
1469                                                                              9)
1470                                                                   ? "FogParam,"
1471                                                                   : "",
1472                                                                   data[i] & (1
1473                                                                              <<
1474                                                                              5)
1475                                                                   ?
1476                                                                   "force default diffuse, "
1477                                                                   : "",
1478                                                                   data[i] & (1
1479                                                                              <<
1480                                                                              4)
1481                                                                   ?
1482                                                                   "force default specular, "
1483                                                                   : "",
1484                                                                   data[i] & (1
1485                                                                              <<
1486                                                                              3)
1487                                                                   ?
1488                                                                   "local depth ofs enable, "
1489                                                                   : "",
1490                                                                   data[i] & (1
1491                                                                              <<
1492                                                                              1)
1493                                                                   ?
1494                                                                   "point sprite enable, "
1495                                                                   : "",
1496                                                                   data[i] & (1
1497                                                                              <<
1498                                                                              0)
1499                                                                   ?
1500                                                                   "line AA enable, "
1501                                                                   : "");
1502                                                         break;
1503                                                 }
1504                                         case 5:
1505                                                 {
1506                                                         instr_out(data,
1507                                                                   hw_offset, i,
1508                                                                   "S5:%s%s%s%s%s"
1509                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1510                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1511                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1512                                                                   data[i] & (0xf
1513                                                                              <<
1514                                                                              28)
1515                                                                   ?
1516                                                                   " write_disable="
1517                                                                   : "",
1518                                                                   data[i] & (1
1519                                                                              <<
1520                                                                              31)
1521                                                                   ? "Alpha," :
1522                                                                   "",
1523                                                                   data[i] & (1
1524                                                                              <<
1525                                                                              30)
1526                                                                   ? "Red," : "",
1527                                                                   data[i] & (1
1528                                                                              <<
1529                                                                              29)
1530                                                                   ? "Green," :
1531                                                                   "",
1532                                                                   data[i] & (1
1533                                                                              <<
1534                                                                              28)
1535                                                                   ? "Blue," :
1536                                                                   "",
1537                                                                   data[i] & (1
1538                                                                              <<
1539                                                                              27)
1540                                                                   ?
1541                                                                   " force default point size,"
1542                                                                   : "",
1543                                                                   data[i] & (1
1544                                                                              <<
1545                                                                              26)
1546                                                                   ?
1547                                                                   " last pixel enable,"
1548                                                                   : "",
1549                                                                   data[i] & (1
1550                                                                              <<
1551                                                                              25)
1552                                                                   ?
1553                                                                   " global depth ofs enable,"
1554                                                                   : "",
1555                                                                   data[i] & (1
1556                                                                              <<
1557                                                                              24)
1558                                                                   ?
1559                                                                   " fog enable,"
1560                                                                   : "",
1561                                                                   (data[i] >>
1562                                                                    16) & 0xff,
1563                                                                   decode_compare_func
1564                                                                   (data[i] >>
1565                                                                    13),
1566                                                                   decode_stencil_op
1567                                                                   (data[i] >>
1568                                                                    10),
1569                                                                   decode_stencil_op
1570                                                                   (data[i] >>
1571                                                                    7),
1572                                                                   decode_stencil_op
1573                                                                   (data[i] >>
1574                                                                    4),
1575                                                                   data[i] & (1
1576                                                                              <<
1577                                                                              3)
1578                                                                   ?
1579                                                                   "stencil write enable, "
1580                                                                   : "",
1581                                                                   data[i] & (1
1582                                                                              <<
1583                                                                              2)
1584                                                                   ?
1585                                                                   "stencil test enable, "
1586                                                                   : "",
1587                                                                   data[i] & (1
1588                                                                              <<
1589                                                                              1)
1590                                                                   ?
1591                                                                   "color dither enable, "
1592                                                                   : "",
1593                                                                   data[i] & (1
1594                                                                              <<
1595                                                                              0)
1596                                                                   ?
1597                                                                   "logicop enable, "
1598                                                                   : "");
1599                                                 }
1600                                                 break;
1601                                         case 6:
1602                                                 instr_out(data, hw_offset, i,
1603                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1604                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1605                                                           "%s%stristrip_provoking_vertex=%i\n",
1606                                                           data[i] & (1 << 31) ?
1607                                                           "alpha test enable, "
1608                                                           : "",
1609                                                           decode_compare_func
1610                                                           (data[i] >> 28),
1611                                                           data[i] & (0xff <<
1612                                                                      20),
1613                                                           decode_compare_func
1614                                                           (data[i] >> 16),
1615                                                           data[i] & (1 << 15) ?
1616                                                           "cbuf blend enable, "
1617                                                           : "",
1618                                                           decode_blend_fact(data
1619                                                                             [i]
1620                                                                             >>
1621                                                                             8),
1622                                                           decode_blend_fact(data
1623                                                                             [i]
1624                                                                             >>
1625                                                                             4),
1626                                                           data[i] & (1 << 3) ?
1627                                                           "depth write enable, "
1628                                                           : "",
1629                                                           data[i] & (1 << 2) ?
1630                                                           "cbuf write enable, "
1631                                                           : "",
1632                                                           data[i] & (0x3));
1633                                                 break;
1634                                         case 7:
1635                                                 instr_out(data, hw_offset, i,
1636                                                           "S7: depth offset constant: 0x%08x\n",
1637                                                           data[i]);
1638                                                 break;
1639                                         }
1640                                 } else {
1641                                         instr_out(data, hw_offset, i,
1642                                                   "S%d: 0x%08x\n", i, data[i]);
1643                                 }
1644                                 i++;
1645                         }
1646                 }
1647                 if (len != i) {
1648                         fprintf(out,
1649                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1650                         (*failures)++;
1651                 }
1652                 return len;
1653         case 0x03:
1654                 instr_out(data, hw_offset, 0,
1655                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1656                 len = (data[0] & 0x0000000f) + 2;
1657                 i = 1;
1658                 for (word = 6; word <= 14; word++) {
1659                         if (data[0] & (1 << word)) {
1660                                 if (i >= count)
1661                                         BUFFER_FAIL(count, len,
1662                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_2");
1663
1664                                 if (word == 6)
1665                                         instr_out(data, hw_offset, i++,
1666                                                   "TBCF\n");
1667                                 else if (word >= 7 && word <= 10) {
1668                                         instr_out(data, hw_offset, i++,
1669                                                   "TB%dC\n", word - 7);
1670                                         instr_out(data, hw_offset, i++,
1671                                                   "TB%dA\n", word - 7);
1672                                 } else if (word >= 11 && word <= 14) {
1673                                         instr_out(data, hw_offset, i,
1674                                                   "TM%dS0: offset=0x%08x, %s\n",
1675                                                   word - 11,
1676                                                   data[i] & 0xfffffffe,
1677                                                   data[i] & 1 ? "use fence" :
1678                                                   "");
1679                                         i++;
1680                                         instr_out(data, hw_offset, i,
1681                                                   "TM%dS1: height=%i, width=%i, %s\n",
1682                                                   word - 11, data[i] >> 21,
1683                                                   (data[i] >> 10) & 0x3ff,
1684                                                   data[i] & 2 ? (data[i] & 1 ?
1685                                                                  "y-tiled" :
1686                                                                  "x-tiled") :
1687                                                   "");
1688                                         i++;
1689                                         instr_out(data, hw_offset, i,
1690                                                   "TM%dS2: pitch=%i, \n",
1691                                                   word - 11,
1692                                                   ((data[i] >> 21) + 1) * 4);
1693                                         i++;
1694                                         instr_out(data, hw_offset, i++,
1695                                                   "TM%dS3\n", word - 11);
1696                                         instr_out(data, hw_offset, i++,
1697                                                   "TM%dS4: dflt color\n",
1698                                                   word - 11);
1699                                 }
1700                         }
1701                 }
1702                 if (len != i) {
1703                         fprintf(out,
1704                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1705                         (*failures)++;
1706                 }
1707                 return len;
1708         case 0x00:
1709                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
1710                 len = (data[0] & 0x0000003f) + 2;
1711                 instr_out(data, hw_offset, 1, "mask\n");
1712
1713                 i = 2;
1714                 for (map = 0; map <= 15; map++) {
1715                         if (data[1] & (1 << map)) {
1716                                 int width, height, pitch, dword;
1717                                 const char *tiling;
1718
1719                                 if (i + 3 >= count)
1720                                         BUFFER_FAIL(count, len,
1721                                                     "3DSTATE_MAP_STATE");
1722
1723                                 dword = data[i];
1724                                 instr_out(data, hw_offset, i++,
1725                                           "map %d MS2 %s%s%s\n", map,
1726                                           dword & (1 << 31) ?
1727                                           "untrusted surface, " : "",
1728                                           dword & (1 << 1) ?
1729                                           "vertical line stride enable, " : "",
1730                                           dword & (1 << 0) ?
1731                                           "vertical ofs enable, " : "");
1732
1733                                 dword = data[i];
1734                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1735                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1736
1737                                 tiling = "none";
1738                                 if (dword & (1 << 2))
1739                                         tiling = "fenced";
1740                                 else if (dword & (1 << 1))
1741                                         tiling = dword & (1 << 0) ? "Y" : "X";
1742                                 type = " BAD";
1743                                 format = "BAD";
1744                                 switch ((dword >> 7) & 0x7) {
1745                                 case 1:
1746                                         type = "8b";
1747                                         switch ((dword >> 3) & 0xf) {
1748                                         case 0:
1749                                                 format = "I";
1750                                                 break;
1751                                         case 1:
1752                                                 format = "L";
1753                                                 break;
1754                                         case 4:
1755                                                 format = "A";
1756                                                 break;
1757                                         case 5:
1758                                                 format = " mono";
1759                                                 break;
1760                                         }
1761                                         break;
1762                                 case 2:
1763                                         type = "16b";
1764                                         switch ((dword >> 3) & 0xf) {
1765                                         case 0:
1766                                                 format = " rgb565";
1767                                                 break;
1768                                         case 1:
1769                                                 format = " argb1555";
1770                                                 break;
1771                                         case 2:
1772                                                 format = " argb4444";
1773                                                 break;
1774                                         case 5:
1775                                                 format = " ay88";
1776                                                 break;
1777                                         case 6:
1778                                                 format = " bump655";
1779                                                 break;
1780                                         case 7:
1781                                                 format = "I";
1782                                                 break;
1783                                         case 8:
1784                                                 format = "L";
1785                                                 break;
1786                                         case 9:
1787                                                 format = "A";
1788                                                 break;
1789                                         }
1790                                         break;
1791                                 case 3:
1792                                         type = "32b";
1793                                         switch ((dword >> 3) & 0xf) {
1794                                         case 0:
1795                                                 format = " argb8888";
1796                                                 break;
1797                                         case 1:
1798                                                 format = " abgr8888";
1799                                                 break;
1800                                         case 2:
1801                                                 format = " xrgb8888";
1802                                                 break;
1803                                         case 3:
1804                                                 format = " xbgr8888";
1805                                                 break;
1806                                         case 4:
1807                                                 format = " qwvu8888";
1808                                                 break;
1809                                         case 5:
1810                                                 format = " axvu8888";
1811                                                 break;
1812                                         case 6:
1813                                                 format = " lxvu8888";
1814                                                 break;
1815                                         case 7:
1816                                                 format = " xlvu8888";
1817                                                 break;
1818                                         case 8:
1819                                                 format = " argb2101010";
1820                                                 break;
1821                                         case 9:
1822                                                 format = " abgr2101010";
1823                                                 break;
1824                                         case 10:
1825                                                 format = " awvu2101010";
1826                                                 break;
1827                                         case 11:
1828                                                 format = " gr1616";
1829                                                 break;
1830                                         case 12:
1831                                                 format = " vu1616";
1832                                                 break;
1833                                         case 13:
1834                                                 format = " xI824";
1835                                                 break;
1836                                         case 14:
1837                                                 format = " xA824";
1838                                                 break;
1839                                         case 15:
1840                                                 format = " xL824";
1841                                                 break;
1842                                         }
1843                                         break;
1844                                 case 5:
1845                                         type = "422";
1846                                         switch ((dword >> 3) & 0xf) {
1847                                         case 0:
1848                                                 format = " yuv_swapy";
1849                                                 break;
1850                                         case 1:
1851                                                 format = " yuv";
1852                                                 break;
1853                                         case 2:
1854                                                 format = " yuv_swapuv";
1855                                                 break;
1856                                         case 3:
1857                                                 format = " yuv_swapuvy";
1858                                                 break;
1859                                         }
1860                                         break;
1861                                 case 6:
1862                                         type = "compressed";
1863                                         switch ((dword >> 3) & 0x7) {
1864                                         case 0:
1865                                                 format = " dxt1";
1866                                                 break;
1867                                         case 1:
1868                                                 format = " dxt2_3";
1869                                                 break;
1870                                         case 2:
1871                                                 format = " dxt4_5";
1872                                                 break;
1873                                         case 3:
1874                                                 format = " fxt1";
1875                                                 break;
1876                                         case 4:
1877                                                 format = " dxt1_rb";
1878                                                 break;
1879                                         }
1880                                         break;
1881                                 case 7:
1882                                         type = "4b indexed";
1883                                         switch ((dword >> 3) & 0xf) {
1884                                         case 7:
1885                                                 format = " argb8888";
1886                                                 break;
1887                                         }
1888                                         break;
1889                                 }
1890                                 dword = data[i];
1891                                 instr_out(data, hw_offset, i++,
1892                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1893                                           map, width, height, type, format,
1894                                           tiling,
1895                                           dword & (1 << 9) ? " palette select" :
1896                                           "");
1897
1898                                 dword = data[i];
1899                                 pitch =
1900                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1901                                 instr_out(data, hw_offset, i++,
1902                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1903                                           map, pitch, (dword >> 9) & 0x3f,
1904                                           dword & 0xff, (dword >> 15) & 0x3f,
1905                                           dword & (1 << 8) ? "miplayout legacy"
1906                                           : "miplayout right");
1907                         }
1908                 }
1909                 if (len != i) {
1910                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1911                         (*failures)++;
1912                         return len;
1913                 }
1914                 return len;
1915         case 0x06:
1916                 instr_out(data, hw_offset, 0,
1917                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1918                 len = (data[0] & 0x000000ff) + 2;
1919
1920                 i = 2;
1921                 for (c = 0; c <= 31; c++) {
1922                         if (data[1] & (1 << c)) {
1923                                 if (i + 4 >= count)
1924                                         BUFFER_FAIL(count, len,
1925                                                     "3DSTATE_PIXEL_SHADER_CONSTANTS");
1926                                 instr_out(data, hw_offset, i, "C%d.X = %f\n", c,
1927                                           int_as_float(data[i]));
1928                                 i++;
1929                                 instr_out(data, hw_offset, i, "C%d.Y = %f\n",
1930                                           c, int_as_float(data[i]));
1931                                 i++;
1932                                 instr_out(data, hw_offset, i, "C%d.Z = %f\n",
1933                                           c, int_as_float(data[i]));
1934                                 i++;
1935                                 instr_out(data, hw_offset, i, "C%d.W = %f\n",
1936                                           c, int_as_float(data[i]));
1937                                 i++;
1938                         }
1939                 }
1940                 if (len != i) {
1941                         fprintf(out,
1942                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1943                         (*failures)++;
1944                 }
1945                 return len;
1946         case 0x05:
1947                 instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
1948                 len = (data[0] & 0x000000ff) + 2;
1949                 if ((len - 1) % 3 != 0 || len > 370) {
1950                         fprintf(out,
1951                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
1952                         (*failures)++;
1953                 }
1954                 i = 1;
1955                 for (instr = 0; instr < (len - 1) / 3; instr++) {
1956                         char instr_prefix[10];
1957
1958                         if (i + 3 >= count)
1959                                 BUFFER_FAIL(count, len,
1960                                             "3DSTATE_PIXEL_SHADER_PROGRAM");
1961                         sprintf(instr_prefix, "PS%03d", instr);
1962                         i915_decode_instruction(data, hw_offset, i,
1963                                                 instr_prefix);
1964                         i += 3;
1965                 }
1966                 return len;
1967         case 0x01:
1968                 if (IS_GEN2(devid))
1969                         break;
1970                 instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
1971                 instr_out(data, hw_offset, 1, "mask\n");
1972                 len = (data[0] & 0x0000003f) + 2;
1973                 i = 2;
1974                 for (sampler = 0; sampler <= 15; sampler++) {
1975                         if (data[1] & (1 << sampler)) {
1976                                 uint32_t dword;
1977                                 const char *mip_filter = "";
1978                                 if (i + 3 >= count)
1979                                         BUFFER_FAIL(count, len,
1980                                                     "3DSTATE_SAMPLER_STATE");
1981                                 dword = data[i];
1982                                 switch ((dword >> 20) & 0x3) {
1983                                 case 0:
1984                                         mip_filter = "none";
1985                                         break;
1986                                 case 1:
1987                                         mip_filter = "nearest";
1988                                         break;
1989                                 case 3:
1990                                         mip_filter = "linear";
1991                                         break;
1992                                 }
1993                                 instr_out(data, hw_offset, i++,
1994                                           "sampler %d SS2:%s%s%s "
1995                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
1996                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
1997                                           sampler,
1998                                           dword & (1 << 31) ? " reverse gamma,"
1999                                           : "",
2000                                           dword & (1 << 30) ? " packed2planar,"
2001                                           : "",
2002                                           dword & (1 << 29) ?
2003                                           " colorspace conversion," : "",
2004                                           (dword >> 22) & 0x1f, mip_filter,
2005                                           decode_sample_filter(dword >> 17),
2006                                           decode_sample_filter(dword >> 14),
2007                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2008                                           dword & (1 << 4) ? " shadow," : "",
2009                                           dword & (1 << 3) ? 4 : 2,
2010                                           decode_compare_func(dword));
2011                                 dword = data[i];
2012                                 instr_out(data, hw_offset, i++,
2013                                           "sampler %d SS3: min_lod=%.2f,%s "
2014                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2015                                           sampler,
2016                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2017                                           dword & (1 << 17) ?
2018                                           " kill pixel enable," : "",
2019                                           decode_tex_coord_mode(dword >> 12),
2020                                           decode_tex_coord_mode(dword >> 9),
2021                                           decode_tex_coord_mode(dword >> 6),
2022                                           dword & (1 << 5) ?
2023                                           " normalized coords," : "",
2024                                           (dword >> 1) & 0xf,
2025                                           dword & (1 << 0) ? " deinterlacer," :
2026                                           "");
2027                                 dword = data[i];
2028                                 instr_out(data, hw_offset, i++,
2029                                           "sampler %d SS4: border color\n",
2030                                           sampler);
2031                         }
2032                 }
2033                 if (len != i) {
2034                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2035                         (*failures)++;
2036                 }
2037                 return len;
2038         case 0x85:
2039                 len = (data[0] & 0x0000000f) + 2;
2040
2041                 if (len != 2)
2042                         fprintf(out,
2043                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2044                 if (count < 2)
2045                         BUFFER_FAIL(count, len,
2046                                     "3DSTATE_DEST_BUFFER_VARIABLES");
2047
2048                 instr_out(data, hw_offset, 0,
2049                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2050
2051                 switch ((data[1] >> 8) & 0xf) {
2052                 case 0x0:
2053                         format = "g8";
2054                         break;
2055                 case 0x1:
2056                         format = "x1r5g5b5";
2057                         break;
2058                 case 0x2:
2059                         format = "r5g6b5";
2060                         break;
2061                 case 0x3:
2062                         format = "a8r8g8b8";
2063                         break;
2064                 case 0x4:
2065                         format = "ycrcb_swapy";
2066                         break;
2067                 case 0x5:
2068                         format = "ycrcb_normal";
2069                         break;
2070                 case 0x6:
2071                         format = "ycrcb_swapuv";
2072                         break;
2073                 case 0x7:
2074                         format = "ycrcb_swapuvy";
2075                         break;
2076                 case 0x8:
2077                         format = "a4r4g4b4";
2078                         break;
2079                 case 0x9:
2080                         format = "a1r5g5b5";
2081                         break;
2082                 case 0xa:
2083                         format = "a2r10g10b10";
2084                         break;
2085                 default:
2086                         format = "BAD";
2087                         break;
2088                 }
2089                 switch ((data[1] >> 2) & 0x3) {
2090                 case 0x0:
2091                         zformat = "u16";
2092                         break;
2093                 case 0x1:
2094                         zformat = "f16";
2095                         break;
2096                 case 0x2:
2097                         zformat = "u24x8";
2098                         break;
2099                 default:
2100                         zformat = "BAD";
2101                         break;
2102                 }
2103                 instr_out(data, hw_offset, 1,
2104                           "%s format, %s depth format, early Z %sabled\n",
2105                           format, zformat,
2106                           (data[1] & (1 << 31)) ? "en" : "dis");
2107                 return len;
2108
2109         case 0x8e:
2110                 {
2111                         const char *name, *tiling;
2112
2113                         len = (data[0] & 0x0000000f) + 2;
2114                         if (len != 3)
2115                                 fprintf(out,
2116                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2117                         if (count < 3)
2118                                 BUFFER_FAIL(count, len, "3DSTATE_BUFFER_INFO");
2119
2120                         switch ((data[1] >> 24) & 0x7) {
2121                         case 0x3:
2122                                 name = "color";
2123                                 break;
2124                         case 0x7:
2125                                 name = "depth";
2126                                 break;
2127                         default:
2128                                 name = "unknown";
2129                                 break;
2130                         }
2131
2132                         tiling = "none";
2133                         if (data[1] & (1 << 23))
2134                                 tiling = "fenced";
2135                         else if (data[1] & (1 << 22))
2136                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2137
2138                         instr_out(data, hw_offset, 0, "3DSTATE_BUFFER_INFO\n");
2139                         instr_out(data, hw_offset, 1,
2140                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2141                                   data[1] & 0xffff);
2142
2143                         instr_out(data, hw_offset, 2, "address\n");
2144                         return len;
2145                 }
2146         case 0x81:
2147                 len = (data[0] & 0x0000000f) + 2;
2148
2149                 if (len != 3)
2150                         fprintf(out,
2151                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2152                 if (count < 3)
2153                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_RECTANGLE");
2154
2155                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2156                 instr_out(data, hw_offset, 1, "(%d,%d)\n",
2157                           data[1] & 0xffff, data[1] >> 16);
2158                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2159                           data[2] & 0xffff, data[2] >> 16);
2160
2161                 return len;
2162         case 0x80:
2163                 len = (data[0] & 0x0000000f) + 2;
2164
2165                 if (len != 5)
2166                         fprintf(out,
2167                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2168                 if (count < 5)
2169                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
2170
2171                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2172                 instr_out(data, hw_offset, 1, "%s\n",
2173                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2174                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2175                           data[2] & 0xffff, data[2] >> 16);
2176                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
2177                           data[3] & 0xffff, data[3] >> 16);
2178                 instr_out(data, hw_offset, 4, "(%d,%d)\n",
2179                           data[4] & 0xffff, data[4] >> 16);
2180
2181                 return len;
2182         case 0x9c:
2183                 len = (data[0] & 0x0000000f) + 2;
2184
2185                 if (len != 7)
2186                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2187                 if (count < 7)
2188                         BUFFER_FAIL(count, len, "3DSTATE_CLEAR_PARAMETERS");
2189
2190                 instr_out(data, hw_offset, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2191                 instr_out(data, hw_offset, 1, "prim_type=%s, clear=%s%s%s\n",
2192                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2193                           data[1] & (1 << 2) ? "color," : "",
2194                           data[1] & (1 << 1) ? "depth," : "",
2195                           data[1] & (1 << 0) ? "stencil," : "");
2196                 instr_out(data, hw_offset, 2, "clear color\n");
2197                 instr_out(data, hw_offset, 3, "clear depth/stencil\n");
2198                 instr_out(data, hw_offset, 4, "color value (rgba8888)\n");
2199                 instr_out(data, hw_offset, 5, "depth value %f\n",
2200                           int_as_float(data[5]));
2201                 instr_out(data, hw_offset, 6, "clear stencil\n");
2202                 return len;
2203         }
2204
2205         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2206                 opcode_3d_1d = &opcodes_3d_1d[idx];
2207                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2208                         continue;
2209
2210                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2211                         len = 1;
2212
2213                         instr_out(data, hw_offset, 0, "%s\n",
2214                                   opcode_3d_1d->name);
2215                         if (opcode_3d_1d->max_len > 1) {
2216                                 len = (data[0] & 0x0000ffff) + 2;
2217                                 if (len < opcode_3d_1d->min_len ||
2218                                     len > opcode_3d_1d->max_len) {
2219                                         fprintf(out, "Bad count in %s\n",
2220                                                 opcode_3d_1d->name);
2221                                         (*failures)++;
2222                                 }
2223                         }
2224
2225                         for (i = 1; i < len; i++) {
2226                                 if (i >= count)
2227                                         BUFFER_FAIL(count, len,
2228                                                     opcode_3d_1d->name);
2229                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2230                         }
2231
2232                         return len;
2233                 }
2234         }
2235
2236         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2237                   opcode);
2238         (*failures)++;
2239         return 1;
2240 }
2241
2242 static int
2243 decode_3d_primitive(uint32_t *data, uint32_t count, uint32_t hw_offset,
2244                     int *failures)
2245 {
2246         char immediate = (data[0] & (1 << 23)) == 0;
2247         unsigned int len, i, j, ret;
2248         const char *primtype;
2249         int original_s2 = saved_s2;
2250         int original_s4 = saved_s4;
2251
2252         switch ((data[0] >> 18) & 0xf) {
2253         case 0x0:
2254                 primtype = "TRILIST";
2255                 break;
2256         case 0x1:
2257                 primtype = "TRISTRIP";
2258                 break;
2259         case 0x2:
2260                 primtype = "TRISTRIP_REVERSE";
2261                 break;
2262         case 0x3:
2263                 primtype = "TRIFAN";
2264                 break;
2265         case 0x4:
2266                 primtype = "POLYGON";
2267                 break;
2268         case 0x5:
2269                 primtype = "LINELIST";
2270                 break;
2271         case 0x6:
2272                 primtype = "LINESTRIP";
2273                 break;
2274         case 0x7:
2275                 primtype = "RECTLIST";
2276                 break;
2277         case 0x8:
2278                 primtype = "POINTLIST";
2279                 break;
2280         case 0x9:
2281                 primtype = "DIB";
2282                 break;
2283         case 0xa:
2284                 primtype = "CLEAR_RECT";
2285                 saved_s4 = 3 << 6;
2286                 saved_s2 = ~0;
2287                 break;
2288         default:
2289                 primtype = "unknown";
2290                 break;
2291         }
2292
2293         /* XXX: 3DPRIM_DIB not supported */
2294         if (immediate) {
2295                 len = (data[0] & 0x0003ffff) + 2;
2296                 instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n",
2297                           primtype);
2298                 if (count < len)
2299                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2300                 if (!saved_s2_set || !saved_s4_set) {
2301                         fprintf(out, "unknown vertex format\n");
2302                         for (i = 1; i < len; i++) {
2303                                 instr_out(data, hw_offset, i,
2304                                           "           vertex data (%f float)\n",
2305                                           int_as_float(data[i]));
2306                         }
2307                 } else {
2308                         unsigned int vertex = 0;
2309                         for (i = 1; i < len;) {
2310                                 unsigned int tc;
2311
2312 #define VERTEX_OUT(fmt, ...) do {                                       \
2313     if (i < len)                                                        \
2314         instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2315     else                                                                \
2316         fprintf(out, " missing data in V%d\n", vertex);                 \
2317     i++;                                                                \
2318 } while (0)
2319
2320                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2321                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2322                                 switch (saved_s4 >> 6 & 0x7) {
2323                                 case 0x1:
2324                                         VERTEX_OUT("Z = %f",
2325                                                    int_as_float(data[i]));
2326                                         break;
2327                                 case 0x2:
2328                                         VERTEX_OUT("Z = %f",
2329                                                    int_as_float(data[i]));
2330                                         VERTEX_OUT("W = %f",
2331                                                    int_as_float(data[i]));
2332                                         break;
2333                                 case 0x3:
2334                                         break;
2335                                 case 0x4:
2336                                         VERTEX_OUT("W = %f",
2337                                                    int_as_float(data[i]));
2338                                         break;
2339                                 default:
2340                                         fprintf(out, "bad S4 position mask\n");
2341                                 }
2342
2343                                 if (saved_s4 & (1 << 10)) {
2344                                         VERTEX_OUT
2345                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2346                                              "B=0x%02x)", data[i] >> 24,
2347                                              (data[i] >> 16) & 0xff,
2348                                              (data[i] >> 8) & 0xff,
2349                                              data[i] & 0xff);
2350                                 }
2351                                 if (saved_s4 & (1 << 11)) {
2352                                         VERTEX_OUT
2353                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2354                                              "B=0x%02x)", data[i] >> 24,
2355                                              (data[i] >> 16) & 0xff,
2356                                              (data[i] >> 8) & 0xff,
2357                                              data[i] & 0xff);
2358                                 }
2359                                 if (saved_s4 & (1 << 12))
2360                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2361
2362                                 for (tc = 0; tc <= 7; tc++) {
2363                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2364                                         case 0x0:
2365                                                 VERTEX_OUT("T%d.X = %f", tc,
2366                                                            int_as_float(data
2367                                                                         [i]));
2368                                                 VERTEX_OUT("T%d.Y = %f", tc,
2369                                                            int_as_float(data
2370                                                                         [i]));
2371                                                 break;
2372                                         case 0x1:
2373                                                 VERTEX_OUT("T%d.X = %f", tc,
2374                                                            int_as_float(data
2375                                                                         [i]));
2376                                                 VERTEX_OUT("T%d.Y = %f", tc,
2377                                                            int_as_float(data
2378                                                                         [i]));
2379                                                 VERTEX_OUT("T%d.Z = %f", tc,
2380                                                            int_as_float(data
2381                                                                         [i]));
2382                                                 break;
2383                                         case 0x2:
2384                                                 VERTEX_OUT("T%d.X = %f", tc,
2385                                                            int_as_float(data
2386                                                                         [i]));
2387                                                 VERTEX_OUT("T%d.Y = %f", tc,
2388                                                            int_as_float(data
2389                                                                         [i]));
2390                                                 VERTEX_OUT("T%d.Z = %f", tc,
2391                                                            int_as_float(data
2392                                                                         [i]));
2393                                                 VERTEX_OUT("T%d.W = %f", tc,
2394                                                            int_as_float(data
2395                                                                         [i]));
2396                                                 break;
2397                                         case 0x3:
2398                                                 VERTEX_OUT("T%d.X = %f", tc,
2399                                                            int_as_float(data
2400                                                                         [i]));
2401                                                 break;
2402                                         case 0x4:
2403                                                 VERTEX_OUT
2404                                                     ("T%d.XY = 0x%08x half-float",
2405                                                      tc, data[i]);
2406                                                 break;
2407                                         case 0x5:
2408                                                 VERTEX_OUT
2409                                                     ("T%d.XY = 0x%08x half-float",
2410                                                      tc, data[i]);
2411                                                 VERTEX_OUT
2412                                                     ("T%d.ZW = 0x%08x half-float",
2413                                                      tc, data[i]);
2414                                                 break;
2415                                         case 0xf:
2416                                                 break;
2417                                         default:
2418                                                 fprintf(out,
2419                                                         "bad S2.T%d format\n",
2420                                                         tc);
2421                                         }
2422                                 }
2423                                 vertex++;
2424                         }
2425                 }
2426
2427                 ret = len;
2428         } else {
2429                 /* indirect vertices */
2430                 len = data[0] & 0x0000ffff;     /* index count */
2431                 if (data[0] & (1 << 17)) {
2432                         /* random vertex access */
2433                         if (count < (len + 1) / 2 + 1) {
2434                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2435                                             "3DPRIMITIVE random indirect");
2436                         }
2437                         instr_out(data, hw_offset, 0,
2438                                   "3DPRIMITIVE random indirect %s (%d)\n",
2439                                   primtype, len);
2440                         if (len == 0) {
2441                                 /* vertex indices continue until 0xffff is
2442                                  * found
2443                                  */
2444                                 for (i = 1; i < count; i++) {
2445                                         if ((data[i] & 0xffff) == 0xffff) {
2446                                                 instr_out(data, hw_offset, i,
2447                                                           "    indices: (terminator)\n");
2448                                                 ret = i;
2449                                                 goto out;
2450                                         } else if ((data[i] >> 16) == 0xffff) {
2451                                                 instr_out(data, hw_offset, i,
2452                                                           "    indices: 0x%04x, (terminator)\n",
2453                                                           data[i] & 0xffff);
2454                                                 ret = i;
2455                                                 goto out;
2456                                         } else {
2457                                                 instr_out(data, hw_offset, i,
2458                                                           "    indices: 0x%04x, 0x%04x\n",
2459                                                           data[i] & 0xffff,
2460                                                           data[i] >> 16);
2461                                         }
2462                                 }
2463                                 fprintf(out,
2464                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2465                                 (*failures)++;
2466                                 ret = count;
2467                                 goto out;
2468                         } else {
2469                                 /* fixed size vertex index buffer */
2470                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2471                                         if (i * 2 == len - 1) {
2472                                                 instr_out(data, hw_offset, j,
2473                                                           "    indices: 0x%04x\n",
2474                                                           data[j] & 0xffff);
2475                                         } else {
2476                                                 instr_out(data, hw_offset, j,
2477                                                           "    indices: 0x%04x, 0x%04x\n",
2478                                                           data[j] & 0xffff,
2479                                                           data[j] >> 16);
2480                                         }
2481                                 }
2482                         }
2483                         ret = (len + 1) / 2 + 1;
2484                         goto out;
2485                 } else {
2486                         /* sequential vertex access */
2487                         if (count < 2)
2488                                 BUFFER_FAIL(count, 2,
2489                                             "3DPRIMITIVE seq indirect");
2490                         instr_out(data, hw_offset, 0,
2491                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2492                                   "%d\n", primtype, len, data[1] & 0xffff);
2493                         instr_out(data, hw_offset, 1, "           start\n");
2494                         ret = 2;
2495                         goto out;
2496                 }
2497         }
2498
2499 out:
2500         saved_s2 = original_s2;
2501         saved_s4 = original_s4;
2502         return ret;
2503 }
2504
2505 static int
2506 decode_3d(uint32_t *data, uint32_t count, uint32_t hw_offset, uint32_t devid,
2507           int *failures)
2508 {
2509         uint32_t opcode;
2510         unsigned int idx;
2511
2512         struct {
2513                 uint32_t opcode;
2514                 unsigned int min_len;
2515                 unsigned int max_len;
2516                 const char *name;
2517         } opcodes_3d[] = {
2518                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2519                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2520                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2521                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2522                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2523                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2524                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2525                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2526                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2527         }, *opcode_3d;
2528
2529         opcode = (data[0] & 0x1f000000) >> 24;
2530
2531         switch (opcode) {
2532         case 0x1f:
2533                 return decode_3d_primitive(data, count, hw_offset, failures);
2534         case 0x1d:
2535                 return decode_3d_1d(data, count, hw_offset, devid, failures);
2536         case 0x1c:
2537                 return decode_3d_1c(data, count, hw_offset, failures);
2538         }
2539
2540         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2541                 opcode_3d = &opcodes_3d[idx];
2542                 if (opcode == opcode_3d->opcode) {
2543                         unsigned int len = 1, i;
2544
2545                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
2546                         if (opcode_3d->max_len > 1) {
2547                                 len = (data[0] & 0xff) + 2;
2548                                 if (len < opcode_3d->min_len ||
2549                                     len > opcode_3d->max_len) {
2550                                         fprintf(out, "Bad count in %s\n",
2551                                                 opcode_3d->name);
2552                                 }
2553                         }
2554
2555                         for (i = 1; i < len; i++) {
2556                                 if (i >= count)
2557                                         BUFFER_FAIL(count, len,
2558                                                     opcode_3d->name);
2559                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2560                         }
2561                         return len;
2562                 }
2563         }
2564
2565         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2566         (*failures)++;
2567         return 1;
2568 }
2569
2570 static const char *get_965_surfacetype(unsigned int surfacetype)
2571 {
2572         switch (surfacetype) {
2573         case 0:
2574                 return "1D";
2575         case 1:
2576                 return "2D";
2577         case 2:
2578                 return "3D";
2579         case 3:
2580                 return "CUBE";
2581         case 4:
2582                 return "BUFFER";
2583         case 7:
2584                 return "NULL";
2585         default:
2586                 return "unknown";
2587         }
2588 }
2589
2590 static const char *get_965_depthformat(unsigned int depthformat)
2591 {
2592         switch (depthformat) {
2593         case 0:
2594                 return "s8_z24float";
2595         case 1:
2596                 return "z32float";
2597         case 2:
2598                 return "z24s8";
2599         case 5:
2600                 return "z16";
2601         default:
2602                 return "unknown";
2603         }
2604 }
2605
2606 static const char *get_965_element_component(uint32_t data, int component)
2607 {
2608         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2609
2610         switch (component_control) {
2611         case 0:
2612                 return "nostore";
2613         case 1:
2614                 switch (component) {
2615                 case 0:
2616                         return "X";
2617                 case 1:
2618                         return "Y";
2619                 case 2:
2620                         return "Z";
2621                 case 3:
2622                         return "W";
2623                 default:
2624                         return "fail";
2625                 }
2626         case 2:
2627                 return "0.0";
2628         case 3:
2629                 return "1.0";
2630         case 4:
2631                 return "0x1";
2632         case 5:
2633                 return "VID";
2634         default:
2635                 return "fail";
2636         }
2637 }
2638
2639 static const char *get_965_prim_type(uint32_t data)
2640 {
2641         uint32_t primtype = (data >> 10) & 0x1f;
2642
2643         switch (primtype) {
2644         case 0x01:
2645                 return "point list";
2646         case 0x02:
2647                 return "line list";
2648         case 0x03:
2649                 return "line strip";
2650         case 0x04:
2651                 return "tri list";
2652         case 0x05:
2653                 return "tri strip";
2654         case 0x06:
2655                 return "tri fan";
2656         case 0x07:
2657                 return "quad list";
2658         case 0x08:
2659                 return "quad strip";
2660         case 0x09:
2661                 return "line list adj";
2662         case 0x0a:
2663                 return "line strip adj";
2664         case 0x0b:
2665                 return "tri list adj";
2666         case 0x0c:
2667                 return "tri strip adj";
2668         case 0x0d:
2669                 return "tri strip reverse";
2670         case 0x0e:
2671                 return "polygon";
2672         case 0x0f:
2673                 return "rect list";
2674         case 0x10:
2675                 return "line loop";
2676         case 0x11:
2677                 return "point list bf";
2678         case 0x12:
2679                 return "line strip cont";
2680         case 0x13:
2681                 return "line strip bf";
2682         case 0x14:
2683                 return "line strip cont bf";
2684         case 0x15:
2685                 return "tri fan no stipple";
2686         default:
2687                 return "fail";
2688         }
2689 }
2690
2691 static int
2692 i965_decode_urb_fence(uint32_t *data, uint32_t hw_offset, int len, uint32_t count,
2693                       int *failures)
2694 {
2695         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2696
2697         if (len != 3)
2698                 fprintf(out, "Bad count in URB_FENCE\n");
2699         if (count < 3)
2700                 BUFFER_FAIL(count, len, "URB_FENCE");
2701
2702         vs_fence = data[1] & 0x3ff;
2703         gs_fence = (data[1] >> 10) & 0x3ff;
2704         clip_fence = (data[1] >> 20) & 0x3ff;
2705         sf_fence = data[2] & 0x3ff;
2706         vfe_fence = (data[2] >> 10) & 0x3ff;
2707         cs_fence = (data[2] >> 20) & 0x7ff;
2708
2709         instr_out(data, hw_offset, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2710                   (data[0] >> 13) & 1 ? "cs " : "",
2711                   (data[0] >> 12) & 1 ? "vfe " : "",
2712                   (data[0] >> 11) & 1 ? "sf " : "",
2713                   (data[0] >> 10) & 1 ? "clip " : "",
2714                   (data[0] >> 9) & 1 ? "gs " : "",
2715                   (data[0] >> 8) & 1 ? "vs " : "");
2716         instr_out(data, hw_offset, 1,
2717                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2718                   vs_fence, clip_fence, gs_fence);
2719         instr_out(data, hw_offset, 2,
2720                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2721                   sf_fence, vfe_fence, cs_fence);
2722         if (gs_fence < vs_fence)
2723                 fprintf(out, "gs fence < vs fence!\n");
2724         if (clip_fence < gs_fence)
2725                 fprintf(out, "clip fence < gs fence!\n");
2726         if (sf_fence < clip_fence)
2727                 fprintf(out, "sf fence < clip fence!\n");
2728         if (cs_fence < sf_fence)
2729                 fprintf(out, "cs fence < sf fence!\n");
2730
2731         return len;
2732 }
2733
2734 static void
2735 state_base_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2736                const char *name)
2737 {
2738         if (data[index] & 1) {
2739                 instr_out(data, hw_offset, index,
2740                           "%s state base address 0x%08x\n", name,
2741                           data[index] & ~1);
2742         } else {
2743                 instr_out(data, hw_offset, index, "%s state base not updated\n",
2744                           name);
2745         }
2746 }
2747
2748 static void
2749 state_max_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2750               const char *name)
2751 {
2752         if (data[index] & 1) {
2753                 if (data[index] == 1) {
2754                         instr_out(data, hw_offset, index,
2755                                   "%s state upper bound disabled\n", name);
2756                 } else {
2757                         instr_out(data, hw_offset, index,
2758                                   "%s state upper bound 0x%08x\n", name,
2759                                   data[index] & ~1);
2760                 }
2761         } else {
2762                 instr_out(data, hw_offset, index,
2763                           "%s state upper bound not updated\n", name);
2764         }
2765 }
2766
2767 static int
2768 decode_3d_965(uint32_t *data, uint32_t count, uint32_t hw_offset, uint32_t devid,
2769               int *failures)
2770 {
2771         uint32_t opcode;
2772         unsigned int idx, len;
2773         unsigned int i, j, sba_len;
2774         const char *desc1 = NULL;
2775
2776         struct {
2777                 uint32_t opcode;
2778                 int unsigned min_len;
2779                 int unsigned max_len;
2780                 const char *name;
2781         } opcodes_3d[] = {
2782                 { 0x6000, 3, 3, "URB_FENCE" },
2783                 { 0x6001, 2, 2, "CS_URB_STATE" },
2784                 { 0x6002, 2, 2, "CONSTANT_BUFFER" },
2785                 { 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
2786                 { 0x6102, 2, 2, "STATE_SIP" },
2787                 { 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2788                 { 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
2789                 { 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2790                 { 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
2791                 { 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
2792                 { 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
2793                 { 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
2794                 { 0x780a, 3, 3, "3DSTATE_INDEX_BUFFER" },
2795                 { 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
2796                 { 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
2797                 { 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
2798                 { 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
2799                 { 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
2800                 { 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
2801                 { 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
2802                 { 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
2803                 { 0x7909, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2804                 { 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
2805                 { 0x790b, 4, 4, "3DSTATE_GS_SVB_INDEX" },
2806                 { 0x790d, 3, 3, "3DSTATE_MULTISAMPLE" },
2807                 { 0x7910, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2808                 { 0x7b00, 6, 6, "3DPRIMITIVE" },
2809                 { 0x7802, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
2810                 { 0x7805, 3, 3, "3DSTATE_URB" },
2811                 { 0x780d, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
2812                 { 0x780e, 4, 4, "3DSTATE_CC_STATE_POINTERS" },
2813                 { 0x780f, 2, 2, "3DSTATE_SCISSOR_STATE_POINTERS" },
2814                 { 0x7810, 6, 6, "3DSTATE_VS_STATE" },
2815                 { 0x7811, 7, 7, "3DSTATE_GS_STATE" },
2816                 { 0x7812, 4, 4, "3DSTATE_CLIP_STATE" },
2817                 { 0x7813, 20, 20, "3DSTATE_SF_STATE" },
2818                 { 0x7814, 9, 9, "3DSTATE_WM_STATE" },
2819                 { 0x7815, 5, 5, "3DSTATE_CONSTANT_VS_STATE" },
2820                 { 0x7816, 5, 5, "3DSTATE_CONSTANT_GS_STATE" },
2821                 { 0x7817, 5, 5, "3DSTATE_CONSTANT_PS_STATE" },
2822                 { 0x7818, 2, 2, "3DSTATE_SAMPLE_MASK"},
2823         }, *opcode_3d;
2824
2825         len = (data[0] & 0x0000ffff) + 2;
2826
2827         opcode = (data[0] & 0xffff0000) >> 16;
2828         switch (opcode) {
2829         case 0x6000:
2830                 len = (data[0] & 0x000000ff) + 2;
2831                 return i965_decode_urb_fence(data, hw_offset, len, count,
2832                                              failures);
2833         case 0x6001:
2834                 instr_out(data, hw_offset, 0, "CS_URB_STATE\n");
2835                 instr_out(data, hw_offset, 1,
2836                           "entry_size: %d [%d bytes], n_entries: %d\n",
2837                           (data[1] >> 4) & 0x1f,
2838                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
2839                 return len;
2840         case 0x6002:
2841                 len = (data[0] & 0x000000ff) + 2;
2842                 instr_out(data, hw_offset, 0, "CONSTANT_BUFFER: %s\n",
2843                           (data[0] >> 8) & 1 ? "valid" : "invalid");
2844                 instr_out(data, hw_offset, 1,
2845                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
2846                           ((data[1] & 0x3f) + 1) * 64);
2847                 return len;
2848         case 0x6101:
2849                 i = 0;
2850                 instr_out(data, hw_offset, 0, "STATE_BASE_ADDRESS\n");
2851                 i++;
2852
2853                 if (IS_GEN6(devid) || IS_GEN7(devid))
2854                         sba_len = 10;
2855                 else if (IS_GEN5(devid))
2856                         sba_len = 8;
2857                 else
2858                         sba_len = 6;
2859                 if (len != sba_len)
2860                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
2861                 if (len != sba_len)
2862                         BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
2863
2864                 state_base_out(data, hw_offset, i++, "general");
2865                 state_base_out(data, hw_offset, i++, "surface");
2866                 if (IS_GEN6(devid) || IS_GEN7(devid))
2867                         state_base_out(data, hw_offset, i++, "dynamic");
2868                 state_base_out(data, hw_offset, i++, "indirect");
2869                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2870                         state_base_out(data, hw_offset, i++, "instruction");
2871
2872                 state_max_out(data, hw_offset, i++, "general");
2873                 if (IS_GEN6(devid) || IS_GEN7(devid))
2874                         state_max_out(data, hw_offset, i++, "dynamic");
2875                 state_max_out(data, hw_offset, i++, "indirect");
2876                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2877                         state_max_out(data, hw_offset, i++, "instruction");
2878
2879                 return len;
2880         case 0x7800:
2881                 if (len != 7)
2882                         fprintf(out,
2883                                 "Bad count in 3DSTATE_PIPELINED_POINTERS\n");
2884                 if (count < 7)
2885                         BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
2886
2887                 instr_out(data, hw_offset, 0, "3DSTATE_PIPELINED_POINTERS\n");
2888                 instr_out(data, hw_offset, 1, "VS state\n");
2889                 instr_out(data, hw_offset, 2, "GS state\n");
2890                 instr_out(data, hw_offset, 3, "Clip state\n");
2891                 instr_out(data, hw_offset, 4, "SF state\n");
2892                 instr_out(data, hw_offset, 5, "WM state\n");
2893                 instr_out(data, hw_offset, 6, "CC state\n");
2894                 return len;
2895         case 0x7801:
2896                 len = (data[0] & 0x000000ff) + 2;
2897                 if (len != 6 && len != 4)
2898                         fprintf(out,
2899                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
2900                 if (len == 6) {
2901                         if (count < 6)
2902                                 BUFFER_FAIL(count, len,
2903                                             "3DSTATE_BINDING_TABLE_POINTERS");
2904                         instr_out(data, hw_offset, 0,
2905                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
2906                         instr_out(data, hw_offset, 1, "VS binding table\n");
2907                         instr_out(data, hw_offset, 2, "GS binding table\n");
2908                         instr_out(data, hw_offset, 3, "Clip binding table\n");
2909                         instr_out(data, hw_offset, 4, "SF binding table\n");
2910                         instr_out(data, hw_offset, 5, "WM binding table\n");
2911                 } else {
2912                         if (count < 4)
2913                                 BUFFER_FAIL(count, len,
2914                                             "3DSTATE_BINDING_TABLE_POINTERS");
2915
2916                         instr_out(data, hw_offset, 0,
2917                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
2918                                   "GS mod %d, PS mod %d\n",
2919                                   (data[0] & (1 << 8)) != 0,
2920                                   (data[0] & (1 << 9)) != 0,
2921                                   (data[0] & (1 << 12)) != 0);
2922                         instr_out(data, hw_offset, 1, "VS binding table\n");
2923                         instr_out(data, hw_offset, 2, "GS binding table\n");
2924                         instr_out(data, hw_offset, 3, "WM binding table\n");
2925                 }
2926
2927                 return len;
2928         case 0x7802:
2929                 len = (data[0] & 0xff) + 2;
2930                 if (len != 4)
2931                         fprintf(out,
2932                                 "Bad count in 3DSTATE_SAMPLER_STATE_POINTERS\n");
2933                 if (count < 4)
2934                         BUFFER_FAIL(count, len,
2935                                     "3DSTATE_SAMPLER_STATE_POINTERS");
2936                 instr_out(data, hw_offset, 0,
2937                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
2938                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
2939                           (data[0] & (1 << 9)) != 0,
2940                           (data[0] & (1 << 12)) != 0);
2941                 instr_out(data, hw_offset, 1, "VS sampler state\n");
2942                 instr_out(data, hw_offset, 2, "GS sampler state\n");
2943                 instr_out(data, hw_offset, 3, "WM sampler state\n");
2944                 return len;
2945         case 0x7805:
2946                 len = (data[0] & 0xff) + 2;
2947                 if (len != 3)
2948                         fprintf(out, "Bad count in 3DSTATE_URB\n");
2949                 if (count < 3)
2950                         BUFFER_FAIL(count, len, "3DSTATE_URB");
2951                 instr_out(data, hw_offset, 0, "3DSTATE_URB\n");
2952                 instr_out(data, hw_offset, 1,
2953                           "VS entries %d, alloc size %d (1024bit row)\n",
2954                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
2955                 instr_out(data, hw_offset, 2,
2956                           "GS entries %d, alloc size %d (1024bit row)\n",
2957                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
2958                 return len;
2959
2960         case 0x7808:
2961                 len = (data[0] & 0xff) + 2;
2962                 if ((len - 1) % 4 != 0)
2963                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
2964                 if (count < len)
2965                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_BUFFERS");
2966                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_BUFFERS\n");
2967
2968                 for (i = 1; i < len;) {
2969                         int idx, access;
2970                         if (IS_GEN6(devid)) {
2971                                 idx = 26;
2972                                 access = 20;
2973                         } else {
2974                                 idx = 27;
2975                                 access = 26;
2976                         }
2977                         instr_out(data, hw_offset, i,
2978                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
2979                                   data[i] & (1 << access) ? "random" :
2980                                   "sequential", data[i] & 0x07ff);
2981                         i++;
2982                         instr_out(data, hw_offset, i++, "buffer address\n");
2983                         instr_out(data, hw_offset, i++, "max index\n");
2984                         instr_out(data, hw_offset, i++, "mbz\n");
2985                 }
2986                 return len;
2987
2988         case 0x7809:
2989                 len = (data[0] & 0xff) + 2;
2990                 if ((len + 1) % 2 != 0)
2991                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
2992                 if (count < len)
2993                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_ELEMENTS");
2994                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_ELEMENTS\n");
2995
2996                 for (i = 1; i < len;) {
2997                         instr_out(data, hw_offset, i,
2998                                   "buffer %d: %svalid, type 0x%04x, "
2999                                   "src offset 0x%04x bytes\n",
3000                                   data[i] >> (IS_GEN6(devid) ? 26 : 27),
3001                                   data[i] & (1 << (IS_GEN6(devid) ? 25 : 26)) ?
3002                                   "" : "in", (data[i] >> 16) & 0x1ff,
3003                                   data[i] & 0x07ff);
3004                         i++;
3005                         instr_out(data, hw_offset, i, "(%s, %s, %s, %s), "
3006                                   "dst offset 0x%02x bytes\n",
3007                                   get_965_element_component(data[i], 0),
3008                                   get_965_element_component(data[i], 1),
3009                                   get_965_element_component(data[i], 2),
3010                                   get_965_element_component(data[i], 3),
3011                                   (data[i] & 0xff) * 4);
3012                         i++;
3013                 }
3014                 return len;
3015
3016         case 0x780d:
3017                 len = (data[0] & 0xff) + 2;
3018                 if (len != 4)
3019                         fprintf(out,
3020                                 "Bad count in 3DSTATE_VIEWPORT_STATE_POINTERS\n");
3021                 if (count < len)
3022                         BUFFER_FAIL(count, len,
3023                                     "3DSTATE_VIEWPORT_STATE_POINTERS");
3024                 instr_out(data, hw_offset, 0,
3025                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3026                 instr_out(data, hw_offset, 1, "clip\n");
3027                 instr_out(data, hw_offset, 2, "sf\n");
3028                 instr_out(data, hw_offset, 3, "cc\n");
3029                 return len;
3030
3031         case 0x780a:
3032                 len = (data[0] & 0xff) + 2;
3033                 if (len != 3)
3034                         fprintf(out, "Bad count in 3DSTATE_INDEX_BUFFER\n");
3035                 if (count < len)
3036                         BUFFER_FAIL(count, len, "3DSTATE_INDEX_BUFFER");
3037                 instr_out(data, hw_offset, 0, "3DSTATE_INDEX_BUFFER\n");
3038                 instr_out(data, hw_offset, 1, "beginning buffer address\n");
3039                 instr_out(data, hw_offset, 2, "ending buffer address\n");
3040                 return len;
3041
3042         case 0x780e:
3043                 len = (data[0] & 0xff) + 2;
3044                 if (len != 4)
3045                         fprintf(out,
3046                                 "Bad count in 3DSTATE_CC_STATE_POINTERS\n");
3047                 if (count < 4)
3048                         BUFFER_FAIL(count, len, "3DSTATE_CC_STATE_POINTERS");
3049                 instr_out(data, hw_offset, 0, "3DSTATE_CC_STATE_POINTERS\n");
3050                 instr_out(data, hw_offset, 1, "blend change %d\n", data[1] & 1);
3051                 instr_out(data, hw_offset, 2, "depth stencil change %d\n",
3052                           data[2] & 1);
3053                 instr_out(data, hw_offset, 3, "cc change %d\n", data[3] & 1);
3054                 return len;
3055
3056         case 0x780f:
3057                 len = (data[0] & 0xff) + 2;
3058                 if (len != 2)
3059                         fprintf(out, "Bad count in 3DSTATE_SCISSOR_POINTERS\n");
3060                 if (count < 2)
3061                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_POINTERS");
3062                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_POINTERS\n");
3063                 instr_out(data, hw_offset, 1, "scissor rect offset\n");
3064                 return len;
3065
3066         case 0x7810:
3067                 len = (data[0] & 0xff) + 2;
3068                 if (len != 6)
3069                         fprintf(out, "Bad count in 3DSTATE_VS\n");
3070                 if (count < 6)
3071                         BUFFER_FAIL(count, len, "3DSTATE_VS");
3072                 instr_out(data, hw_offset, 0, "3DSTATE_VS\n");
3073                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3074                 instr_out(data, hw_offset, 2,
3075                           "SPF=%d, VME=%d, Sampler Count %d, "
3076                           "Binding table count %d\n", (data[2] >> 31) & 1,
3077                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3078                           (data[2] >> 18) & 0xff);
3079                 instr_out(data, hw_offset, 3, "scratch offset\n");
3080                 instr_out(data, hw_offset, 4,
3081                           "Dispatch GRF start %d, VUE read length %d, "
3082                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3083                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3084                 instr_out(data, hw_offset, 5,
3085                           "Max Threads %d, Vertex Cache %sable, "
3086                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3087                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3088                           (data[5] & 1) != 0 ? "en" : "dis");
3089                 return len;
3090
3091         case 0x7811:
3092                 len = (data[0] & 0xff) + 2;
3093                 if (len != 7)
3094                         fprintf(out, "Bad count in 3DSTATE_GS\n");
3095                 if (count < 7)
3096                         BUFFER_FAIL(count, len, "3DSTATE_GS");
3097                 instr_out(data, hw_offset, 0, "3DSTATE_GS\n");
3098                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3099                 instr_out(data, hw_offset, 2,
3100                           "SPF=%d, VME=%d, Sampler Count %d, "
3101                           "Binding table count %d\n", (data[2] >> 31) & 1,
3102                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3103                           (data[2] >> 18) & 0xff);
3104                 instr_out(data, hw_offset, 3, "scratch offset\n");
3105                 instr_out(data, hw_offset, 4,
3106                           "Dispatch GRF start %d, VUE read length %d, "
3107                           "VUE read offset %d\n", (data[4] & 0xf),
3108                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3109                 instr_out(data, hw_offset, 5,
3110                           "Max Threads %d, Rendering %sable\n",
3111                           ((data[5] >> 25) & 0x7f) + 1,
3112                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3113                 instr_out(data, hw_offset, 6,
3114                           "Reorder %sable, Discard Adjaceny %sable, "
3115                           "GS %sable\n",
3116                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3117                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3118                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3119                 return len;
3120
3121         case 0x7812:
3122                 len = (data[0] & 0xff) + 2;
3123                 if (len != 4)
3124                         fprintf(out, "Bad count in 3DSTATE_CLIP\n");
3125                 if (count < 4)
3126                         BUFFER_FAIL(count, len, "3DSTATE_CLIP");
3127                 instr_out(data, hw_offset, 0, "3DSTATE_CLIP\n");
3128                 instr_out(data, hw_offset, 1,
3129                           "UserClip distance cull test mask 0x%x\n",
3130                           data[1] & 0xff);
3131                 instr_out(data, hw_offset, 2,
3132                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3133                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3134                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3135                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3136                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3137                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3138                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3139                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3140                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3141                           (data[2] >> 13) & 7,
3142                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3143                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3144                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3145                           (data[2] & 3));
3146                 instr_out(data, hw_offset, 3,
3147                           "Min PointWidth %d, Max PointWidth %d, "
3148                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3149                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3150                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3151                           (data[3] & 0xf));
3152                 return len;
3153
3154         case 0x7813:
3155                 len = (data[0] & 0xff) + 2;
3156                 if (len != 20)
3157                         fprintf(out, "Bad count in 3DSTATE_SF\n");
3158                 if (count < 20)
3159                         BUFFER_FAIL(count, len, "3DSTATE_SF");
3160                 instr_out(data, hw_offset, 0, "3DSTATE_SF\n");
3161                 instr_out(data, hw_offset, 1,
3162                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3163                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3164                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3165                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3166                 instr_out(data, hw_offset, 2,
3167                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3168                           "VP transform %sable, FrontWinding_%s\n",
3169                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3170                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3171                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3172                           (data[2] & 1) != 0 ? "CCW" : "CW");
3173                 instr_out(data, hw_offset, 3,
3174                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3175                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3176                           (data[3] >> 29) & 3,
3177                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3178                           (data[3] >> 8) & 3);
3179                 instr_out(data, hw_offset, 4,
3180                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3181                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3182                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3183                           (data[4] & (1 << 11)) != 0);
3184                 instr_out(data, hw_offset, 5,
3185                           "Global Depth Offset Constant %f\n",
3186                           *(float *)(&data[5]));
3187                 instr_out(data, hw_offset, 6, "Global Depth Offset Scale %f\n",
3188                           *(float *)(&data[6]));
3189                 instr_out(data, hw_offset, 7, "Global Depth Offset Clamp %f\n",
3190                           *(float *)(&data[7]));
3191
3192                 for (i = 0, j = 0; i < 8; i++, j += 2)
3193                         instr_out(data, hw_offset, i + 8,
3194                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3195                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3196                                   j + 1,
3197                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3198                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3199                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3200                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3201                                   (data[8 + i] >> 25) & 3,
3202                                   (data[8 + i] >> 22) & 3,
3203                                   (data[8 + i] >> 16) & 0x1f, j,
3204                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3205                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3206                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3207                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3208                                   (data[8 + i] >> 9) & 3,
3209                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3210                 instr_out(data, hw_offset, 16,
3211                           "Point Sprite TexCoord Enable\n");
3212                 instr_out(data, hw_offset, 17, "Const Interp Enable\n");
3213                 instr_out(data, hw_offset, 18,
3214                           "Attrib 7-0 WrapShortest Enable\n");
3215                 instr_out(data, hw_offset, 19,
3216                           "Attrib 15-8 WrapShortest Enable\n");
3217
3218                 return len;
3219
3220         case 0x7814:
3221                 len = (data[0] & 0xff) + 2;
3222                 if (len != 9)
3223                         fprintf(out, "Bad count in 3DSTATE_WM\n");
3224                 if (count < 9)
3225                         BUFFER_FAIL(count, len, "3DSTATE_WM");
3226                 instr_out(data, hw_offset, 0, "3DSTATE_WM\n");
3227                 instr_out(data, hw_offset, 1, "kernel start pointer 0\n");
3228                 instr_out(data, hw_offset, 2,
3229                           "SPF=%d, VME=%d, Sampler Count %d, "
3230                           "Binding table count %d\n", (data[2] >> 31) & 1,
3231                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3232                           (data[2] >> 18) & 0xff);
3233                 instr_out(data, hw_offset, 3, "scratch offset\n");
3234                 instr_out(data, hw_offset, 4,
3235                           "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
3236                           "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
3237                           (data[4] & (1 << 30)) != 0,
3238                           (data[4] & (1 << 28)) != 0,
3239                           (data[4] & (1 << 27)) != 0, (data[4] >> 16) & 0x7f,
3240                           (data[4] >> 8) & 0x7f, (data[4] & 0x7f));
3241                 instr_out(data, hw_offset, 5,
3242                           "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
3243                           "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, Dispatch32 %d, "
3244                           "Dispatch16 %d, Dispatch8 %d\n",
3245                           ((data[5] >> 25) & 0x7f) + 1,
3246                           (data[5] & (1 << 22)) != 0,
3247                           (data[5] & (1 << 21)) != 0,
3248                           (data[5] & (1 << 20)) != 0,
3249                           (data[5] & (1 << 19)) != 0, (data[5] & (1 << 8)) != 0,
3250                           (data[5] & (1 << 2)) != 0, (data[5] & (1 << 1)) != 0,
3251                           (data[5] & (1 << 0)) != 0);
3252                 instr_out(data, hw_offset, 6,
3253                           "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
3254                           "Barycentric interp mode 0x%x, Point raster rule %d, Multisample mode %d, "
3255                           "Multisample Dispatch mode %d\n",
3256                           (data[6] >> 20) & 0x3f, (data[6] >> 18) & 3,
3257                           (data[6] >> 16) & 3, (data[6] >> 10) & 0x3f,
3258                           (data[6] & (1 << 9)) != 0, (data[6] >> 1) & 3,
3259                           (data[6] & 1));
3260                 instr_out(data, hw_offset, 7, "kernel start pointer 1\n");
3261                 instr_out(data, hw_offset, 8, "kernel start pointer 2\n");
3262
3263                 return len;
3264
3265         case 0x7900:
3266                 if (len != 4)
3267                         fprintf(out,
3268                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
3269                 if (count < 4)
3270                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
3271
3272                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3273                 instr_out(data, hw_offset, 1, "top left: %d,%d\n",
3274                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3275                 instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
3276                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3277                 instr_out(data, hw_offset, 3, "origin: %d,%d\n",
3278                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3279
3280                 return len;
3281
3282         case 0x7905:
3283                 if (len < 5 || len > 7)
3284                         fprintf(out, "Bad count in 3DSTATE_DEPTH_BUFFER\n");
3285                 if (count < len)
3286                         BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
3287
3288                 instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_BUFFER\n");
3289                 if (IS_GEN5(devid) || IS_GEN6(devid))
3290                         instr_out(data, hw_offset, 1,
3291                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
3292                                   get_965_surfacetype(data[1] >> 29),
3293                                   get_965_depthformat((data[1] >> 18) & 0x7),
3294                                   (data[1] & 0x0001ffff) + 1,
3295                                   data[1] & (1 << 27) ? "" : "not ",
3296                                   (data[1] & (1 << 22)) != 0,
3297                                   (data[1] & (1 << 21)) != 0);
3298                 else
3299                         instr_out(data, hw_offset, 1,
3300                                   "%s, %s, pitch = %d bytes, %stiled\n",
3301                                   get_965_surfacetype(data[1] >> 29),
3302                                   get_965_depthformat((data[1] >> 18) & 0x7),
3303                                   (data[1] & 0x0001ffff) + 1,
3304                                   data[1] & (1 << 27) ? "" : "not ");
3305                 instr_out(data, hw_offset, 2, "depth offset\n");
3306                 instr_out(data, hw_offset, 3, "%dx%d\n",
3307                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3308                           ((data[3] & 0xfff80000) >> 19) + 1);
3309                 instr_out(data, hw_offset, 4, "volume depth\n");
3310                 if (len >= 6)
3311                         instr_out(data, hw_offset, 5, "\n");
3312                 if (len >= 7) {
3313                         if (IS_GEN6(devid))
3314                                 instr_out(data, hw_offset, 6, "\n");
3315                         else
3316                                 instr_out(data, hw_offset, 6,
3317                                           "render target view extent\n");
3318                 }
3319
3320                 return len;
3321
3322         case 0x7a00:
3323                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
3324                         unsigned int i;
3325                         len = (data[0] & 0xff) + 2;
3326                         if (len != 4 && len != 5)
3327                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3328                         if (count < len)
3329                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3330
3331                         switch ((data[1] >> 14) & 0x3) {
3332                         case 0:
3333                                 desc1 = "no write";
3334                                 break;
3335                         case 1:
3336                                 desc1 = "qword write";
3337                                 break;
3338                         case 2:
3339                                 desc1 = "PS_DEPTH_COUNT write";
3340                                 break;
3341                         case 3:
3342                                 desc1 = "TIMESTAMP write";
3343                                 break;
3344                         }
3345                         instr_out(data, hw_offset, 0, "PIPE_CONTROL\n");
3346                         instr_out(data, hw_offset, 1,
3347                                   "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3348                                   desc1,
3349                                   data[1] & (1 << 20) ? "cs stall, " : "",
3350                                   data[1] & (1 << 19) ?
3351                                   "global snapshot count reset, " : "",
3352                                   data[1] & (1 << 18) ? "tlb invalidate, " : "",
3353                                   data[1] & (1 << 17) ? "gfdt flush, " : "",
3354                                   data[1] & (1 << 17) ? "media state clear, " :
3355                                   "",
3356                                   data[1] & (1 << 13) ? "depth stall, " : "",
3357                                   data[1] & (1 << 12) ?
3358                                   "render target cache flush, " : "",
3359                                   data[1] & (1 << 11) ?
3360                                   "instruction cache invalidate, " : "",
3361                                   data[1] & (1 << 10) ?
3362                                   "texture cache invalidate, " : "",
3363                                   data[1] & (1 << 9) ?
3364                                   "indirect state invalidate, " : "",
3365                                   data[1] & (1 << 8) ? "notify irq, " : "",
3366                                   data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3367                                   "",
3368                                   data[1] & (1 << 6) ? "protect mem app_id, " :
3369                                   "", data[1] & (1 << 5) ? "DC flush, " : "",
3370                                   data[1] & (1 << 4) ? "vf fetch invalidate, " :
3371                                   "",
3372                                   data[1] & (1 << 3) ?
3373                                   "constant cache invalidate, " : "",
3374                                   data[1] & (1 << 2) ?
3375                                   "state cache invalidate, " : "",
3376                                   data[1] & (1 << 1) ? "stall at scoreboard, " :
3377                                   "",
3378                                   data[1] & (1 << 0) ? "depth cache flush, " :
3379                                   "");
3380                         if (len == 5) {
3381                                 instr_out(data, hw_offset, 2,
3382                                           "destination address\n");
3383                                 instr_out(data, hw_offset, 3,
3384                                           "immediate dword low\n");
3385                                 instr_out(data, hw_offset, 4,
3386                                           "immediate dword high\n");
3387                         } else {
3388                                 for (i = 2; i < len; i++) {
3389                                         instr_out(data, hw_offset, i, "\n");
3390                                 }
3391                         }
3392                         return len;
3393                 } else {
3394                         len = (data[0] & 0xff) + 2;
3395                         if (len != 4)
3396                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3397                         if (count < len)
3398                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3399
3400                         switch ((data[0] >> 14) & 0x3) {
3401                         case 0:
3402                                 desc1 = "no write";
3403                                 break;
3404                         case 1:
3405                                 desc1 = "qword write";
3406                                 break;
3407                         case 2:
3408                                 desc1 = "PS_DEPTH_COUNT write";
3409                                 break;
3410                         case 3:
3411                                 desc1 = "TIMESTAMP write";
3412                                 break;
3413                         }
3414                         instr_out(data, hw_offset, 0,
3415                                   "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3416                                   "%sinst flush\n",
3417                                   desc1,
3418                                   data[0] & (1 << 13) ? "" : "no ",
3419                                   data[0] & (1 << 12) ? "" : "no ",
3420                                   data[0] & (1 << 11) ? "" : "no ");
3421                         instr_out(data, hw_offset, 1, "destination address\n");
3422                         instr_out(data, hw_offset, 2, "immediate dword low\n");
3423                         instr_out(data, hw_offset, 3, "immediate dword high\n");
3424                         return len;
3425                 }
3426         case 0x7b00:
3427                 len = (data[0] & 0xff) + 2;
3428                 if (len != 6)
3429                         fprintf(out, "Bad count in 3DPRIMITIVE\n");
3430                 if (count < len)
3431                         BUFFER_FAIL(count, len, "3DPRIMITIVE");
3432
3433                 instr_out(data, hw_offset, 0,
3434                           "3DPRIMITIVE: %s %s\n",
3435                           get_965_prim_type(data[0]),
3436                           (data[0] & (1 << 15)) ? "random" : "sequential");
3437                 instr_out(data, hw_offset, 1, "vertex count\n");
3438                 instr_out(data, hw_offset, 2, "start vertex\n");
3439                 instr_out(data, hw_offset, 3, "instance count\n");
3440                 instr_out(data, hw_offset, 4, "start instance\n");
3441                 instr_out(data, hw_offset, 5, "index bias\n");
3442                 return len;
3443         }
3444
3445         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3446                 opcode_3d = &opcodes_3d[idx];
3447                 if ((data[0] & 0xffff0000) >> 16 == opcode_3d->opcode) {
3448                         unsigned int i;
3449                         len = 1;
3450
3451                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3452                         if (opcode_3d->max_len > 1) {
3453                                 len = (data[0] & 0xff) + 2;
3454                                 if (len < opcode_3d->min_len ||
3455                                     len > opcode_3d->max_len) {
3456                                         fprintf(out, "Bad count in %s\n",
3457                                                 opcode_3d->name);
3458                                 }
3459                         }
3460
3461                         for (i = 1; i < len; i++) {
3462                                 if (i >= count)
3463                                         BUFFER_FAIL(count, len,
3464                                                     opcode_3d->name);
3465                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3466                         }
3467                         return len;
3468                 }
3469         }
3470
3471         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3472                   opcode);
3473         (*failures)++;
3474         return 1;
3475 }
3476
3477 static int
3478 decode_3d_i830(uint32_t *data, uint32_t count, uint32_t hw_offset, uint32_t devid,
3479                int *failures)
3480 {
3481         unsigned int idx;
3482         uint32_t opcode;
3483
3484         struct {
3485                 uint32_t opcode;
3486                 unsigned int min_len;
3487                 unsigned int max_len;
3488                 const char *name;
3489         } opcodes_3d[] = {
3490                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3491                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3492                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3493                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3494                 { 0x06, 1, 1, "3DSTATE_AA" },
3495                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3496                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3497                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3498                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3499                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3500                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3501                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3502                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3503                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3504                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3505                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3506         }, *opcode_3d;
3507
3508         opcode = (data[0] & 0x1f000000) >> 24;
3509
3510         switch (opcode) {
3511         case 0x1f:
3512                 return decode_3d_primitive(data, count, hw_offset, failures);
3513         case 0x1d:
3514                 return decode_3d_1d(data, count, hw_offset, devid, failures);
3515         case 0x1c:
3516                 return decode_3d_1c(data, count, hw_offset, failures);
3517         }
3518
3519         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3520                 opcode_3d = &opcodes_3d[idx];
3521                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3522                         unsigned int len = 1, i;
3523
3524                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3525                         if (opcode_3d->max_len > 1) {
3526                                 len = (data[0] & 0xff) + 2;
3527                                 if (len < opcode_3d->min_len ||
3528                                     len > opcode_3d->max_len) {
3529                                         fprintf(out, "Bad count in %s\n",
3530                                                 opcode_3d->name);
3531                                 }
3532                         }
3533
3534                         for (i = 1; i < len; i++) {
3535                                 if (i >= count)
3536                                         BUFFER_FAIL(count, len,
3537                                                     opcode_3d->name);
3538                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3539                         }
3540                         return len;
3541                 }
3542         }
3543
3544         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3545                   opcode);
3546         (*failures)++;
3547         return 1;
3548 }
3549
3550 struct drm_intel_decode *
3551 drm_intel_decode_context_alloc(uint32_t devid)
3552 {
3553         struct drm_intel_decode *ctx;
3554
3555         ctx = calloc(1, sizeof(struct drm_intel_decode));
3556         if (!ctx)
3557                 return NULL;
3558
3559         ctx->devid = devid;
3560
3561         return ctx;
3562 }
3563
3564 void
3565 drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3566 {
3567         free(ctx);
3568 }
3569
3570 void
3571 drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3572                                    int dump_past_end)
3573 {
3574         ctx->dump_past_end = !!dump_past_end;
3575 }
3576
3577 void
3578 drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3579                                    void *data, uint32_t hw_offset, int count)
3580 {
3581         ctx->data = data;
3582         ctx->hw_offset = hw_offset;
3583         ctx->count = count;
3584 }
3585
3586 void
3587 drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3588                                uint32_t head, uint32_t tail)
3589 {
3590         ctx->head = head;
3591         ctx->tail = tail;
3592 }
3593
3594 /**
3595  * Decodes an i830-i915 batch buffer, writing the output to stdout.
3596  *
3597  * \param data batch buffer contents
3598  * \param count number of DWORDs to decode in the batch buffer
3599  * \param hw_offset hardware address for the buffer
3600  */
3601 void
3602 drm_intel_decode(struct drm_intel_decode *ctx)
3603 {
3604         int ret;
3605         unsigned int index = 0;
3606         int failures = 0;
3607         uint32_t *data;
3608         uint32_t count, hw_offset;
3609         uint32_t devid;
3610
3611         if (!ctx)
3612                 return;
3613
3614         data = ctx->data;
3615         count = ctx->count;
3616         hw_offset = ctx->hw_offset;
3617         devid = ctx->devid;
3618         head_offset = ctx->head;
3619         tail_offset = ctx->tail;
3620
3621         saved_s2_set = 0;
3622         saved_s4_set = 1;
3623
3624         out = stdout;
3625
3626         while (index < count) {
3627                 switch ((data[index] & 0xe0000000) >> 29) {
3628                 case 0x0:
3629                         ret = decode_mi(data + index, count - index,
3630                                         hw_offset + index * 4, &failures);
3631
3632                         /* If MI_BATCHBUFFER_END happened, then dump
3633                          * the rest of the output in case we some day
3634                          * want it in debugging, but don't decode it
3635                          * since it'll just confuse in the common
3636                          * case.
3637                          */
3638                         if (ret == -1) {
3639                                 if (ctx->dump_past_end) {
3640                                         index++;
3641                                 } else {
3642                                         for (index = index + 1; index < count;
3643                                              index++) {
3644                                                 instr_out(data, hw_offset,
3645                                                           index, "\n");
3646                                         }
3647                                 }
3648                         } else
3649                                 index += ret;
3650                         break;
3651                 case 0x2:
3652                         index += decode_2d(data + index, count - index,
3653                                            hw_offset + index * 4, &failures);
3654                         break;
3655                 case 0x3:
3656                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3657                                 index +=
3658                                     decode_3d_965(data + index, count - index,
3659                                                   hw_offset + index * 4, devid,
3660                                                   &failures);
3661                         } else if (IS_GEN3(devid)) {
3662                                 index += decode_3d(data + index, count - index,
3663                                                    hw_offset + index * 4,
3664                                                    devid, &failures);
3665                         } else {
3666                                 index +=
3667                                     decode_3d_i830(data + index, count - index,
3668                                                    hw_offset + index * 4, devid,
3669                                                    &failures);
3670                         }
3671                         break;
3672                 default:
3673                         instr_out(data, hw_offset, index, "UNKNOWN\n");
3674                         failures++;
3675                         index++;
3676                         break;
3677                 }
3678                 fflush(out);
3679         }
3680 }