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