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_chipset.h"
  32 #include "intel_bufmgr.h"
  33
  34 /* Struct for tracking drm_intel_decode state. */
  35 struct drm_intel_decode {
  36         /** PCI device ID. */
  37         uint32_t devid;
  38
  39         /** GPU address of the start of the batchbuffer data. */
  40         uint32_t hw_offset;
  41         /** CPU Virtual address of the start of the batchbuffer data. */
  42         uint32_t *data;
  43         /** Number of DWORDs of batchbuffer data. */
  44         uint32_t count;
  45
  46         /** @{
  47          * GPU head and tail pointers, which will be noted in the dump, or ~0.
  48          */
  49         uint32_t head, tail;
  50         /** @} */
  51
  52         /**
  53          * Whether to dump the dwords after MI_BATCHBUFFER_END.
  54          *
  55          * This sometimes provides clues in corrupted batchbuffers,
  56          * and is used by the intel-gpu-tools.
  57          */
  58         bool dump_past_end;
  59 };
  60
  61 static FILE *out;
  62 static uint32_t saved_s2 = 0, saved_s4 = 0;
  63 static char saved_s2_set = 0, saved_s4_set = 0;
  64 static uint32_t head_offset = 0xffffffff;       /* undefined */
  65 static uint32_t tail_offset = 0xffffffff;       /* undefined */
  66
  67 #ifndef ARRAY_SIZE
  68 #define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
  69 #endif
  70
  71 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  72     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  73             (_name), (_count), (_len));                         \
  74     (*failures)++;                                              \
  75     return count;                                               \
  76 } while (0)
  77
  78 static float int_as_float(uint32_t intval)
  79 {
  80         union intfloat {
  81                 uint32_t i;
  82                 float f;
  83         } uval;
  84
  85         uval.i = intval;
  86         return uval.f;
  87 }
  88
  89 static void
  90 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
  91           const char *fmt, ...) __attribute__((format(__printf__, 4, 5)));
  92
  93 static void
  94 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
  95           const char *fmt, ...)
  96 {
  97         va_list va;
  98         const char *parseinfo;
  99         uint32_t offset = hw_offset + index * 4;
 100
 101         if (offset == head_offset)
 102                 parseinfo = "HEAD";
 103         else if (offset == tail_offset)
 104                 parseinfo = "TAIL";
 105         else
 106                 parseinfo = "    ";
 107
 108         fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
 109                 data[index], index == 0 ? "" : "   ");
 110         va_start(va, fmt);
 111         vfprintf(out, fmt, va);
 112         va_end(va);
 113 }
 114
 115 static int
 116 decode_mi(uint32_t *data, uint32_t count, uint32_t hw_offset, int *failures)
 117 {
 118         unsigned int opcode, len = -1;
 119         const char *post_sync_op = "";
 120
 121         struct {
 122                 uint32_t opcode;
 123                 int len_mask;
 124                 unsigned int min_len;
 125                 unsigned int max_len;
 126                 const char *name;
 127         } opcodes_mi[] = {
 128                 { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
 129                 { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
 130                 { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
 131                 { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
 132                 { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
 133                 { 0x04, 0, 1, 1, "MI_FLUSH" },
 134                 { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
 135                 { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 136                 { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 137                 { 0x00, 0, 1, 1, "MI_NOOP" },
 138                 { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
 139                 { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
 140                 { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT" },
 141                 { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
 142                 { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
 143                 { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
 144                 { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
 145                 { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT" },
 146                 { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
 147                 { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
 148                 { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
 149         };
 150
 151         /* check instruction length */
 152         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 153              opcode++) {
 154                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 155                         len = 1;
 156                         if (opcodes_mi[opcode].max_len > 1) {
 157                                 len =
 158                                     (data[0] & opcodes_mi[opcode].len_mask) + 2;
 159                                 if (len < opcodes_mi[opcode].min_len
 160                                     || len > opcodes_mi[opcode].max_len) {
 161                                         fprintf(out,
 162                                                 "Bad length (%d) in %s, [%d, %d]\n",
 163                                                 len, opcodes_mi[opcode].name,
 164                                                 opcodes_mi[opcode].min_len,
 165                                                 opcodes_mi[opcode].max_len);
 166                                 }
 167                         }
 168                         break;
 169                 }
 170         }
 171
 172         switch ((data[0] & 0x1f800000) >> 23) {
 173         case 0x0a:
 174                 instr_out(data, hw_offset, 0, "MI_BATCH_BUFFER_END\n");
 175                 return -1;
 176         case 0x16:
 177                 instr_out(data, hw_offset, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
 178                           data[0] & (1 << 22) ? " global gtt," : "",
 179                           data[0] & (1 << 21) ? " update semaphore," : "",
 180                           data[0] & (1 << 20) ? " compare semaphore," : "",
 181                           data[0] & (1 << 18) ? " use compare reg" : "",
 182                           (data[0] & (0x3 << 16)) >> 16);
 183                 instr_out(data, hw_offset, 1, "value\n");
 184                 instr_out(data, hw_offset, 2, "address\n");
 185                 return len;
 186         case 0x21:
 187                 instr_out(data, hw_offset, 0, "MI_STORE_DATA_INDEX%s\n",
 188                           data[0] & (1 << 21) ? " use per-process HWS," : "");
 189                 instr_out(data, hw_offset, 1, "index\n");
 190                 instr_out(data, hw_offset, 2, "dword\n");
 191                 if (len == 4)
 192                         instr_out(data, hw_offset, 3, "upper dword\n");
 193                 return len;
 194         case 0x00:
 195                 if (data[0] & (1 << 22))
 196                         instr_out(data, hw_offset, 0,
 197                                   "MI_NOOP write NOPID reg, val=0x%x\n",
 198                                   data[0] & ((1 << 22) - 1));
 199                 else
 200                         instr_out(data, hw_offset, 0, "MI_NOOP\n");
 201                 return len;
 202         case 0x26:
 203                 switch (data[0] & (0x3 << 14)) {
 204                 case (0 << 14):
 205                         post_sync_op = "no write";
 206                         break;
 207                 case (1 << 14):
 208                         post_sync_op = "write data";
 209                         break;
 210                 case (2 << 14):
 211                         post_sync_op = "reserved";
 212                         break;
 213                 case (3 << 14):
 214                         post_sync_op = "write TIMESTAMP";
 215                         break;
 216                 }
 217                 instr_out(data, hw_offset, 0,
 218                           "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
 219                           data[0] & (1 << 22) ?
 220                           " enable protected mem (BCS-only)," : "",
 221                           data[0] & (1 << 21) ? " store in hws," : "",
 222                           data[0] & (1 << 18) ? " invalidate tlb," : "",
 223                           data[0] & (1 << 17) ? " flush gfdt," : "",
 224                           post_sync_op,
 225                           data[0] & (1 << 8) ? " enable notify interrupt," : "",
 226                           data[0] & (1 << 7) ?
 227                           " invalidate video state (BCS-only)," : "");
 228                 if (data[0] & (1 << 21))
 229                         instr_out(data, hw_offset, 1, "hws index\n");
 230                 else
 231                         instr_out(data, hw_offset, 1, "address\n");
 232                 instr_out(data, hw_offset, 2, "dword\n");
 233                 if (len == 4)
 234                         instr_out(data, hw_offset, 3, "upper dword\n");
 235                 return len;
 236         }
 237
 238         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 239              opcode++) {
 240                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 241                         unsigned int i;
 242
 243                         instr_out(data, hw_offset, 0, "%s\n",
 244                                   opcodes_mi[opcode].name);
 245                         for (i = 1; i < len; i++) {
 246                                 if (i >= count)
 247                                         BUFFER_FAIL(count, len,
 248                                                     opcodes_mi[opcode].name);
 249                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 250                         }
 251
 252                         return len;
 253                 }
 254         }
 255
 256         instr_out(data, hw_offset, 0, "MI UNKNOWN\n");
 257         (*failures)++;
 258         return 1;
 259 }
 260
 261 static void
 262 decode_2d_br00(uint32_t *data, uint32_t count, uint32_t hw_offset,
 263                const char *cmd)
 264 {
 265         instr_out(data, hw_offset, 0,
 266                   "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
 267                   cmd,
 268                   (data[count] & (1 << 20)) ? "en" : "dis",
 269                   (data[count] & (1 << 21)) ? "en" : "dis",
 270                   (data[count] >> 15) & 1, (data[count] >> 11) & 1);
 271 }
 272
 273 static void decode_2d_br01(uint32_t *data, uint32_t count, uint32_t hw_offset)
 274 {
 275         const char *format;
 276         switch ((data[count] >> 24) & 0x3) {
 277         case 0:
 278                 format = "8";
 279                 break;
 280         case 1:
 281                 format = "565";
 282                 break;
 283         case 2:
 284                 format = "1555";
 285                 break;
 286         case 3:
 287                 format = "8888";
 288                 break;
 289         }
 290
 291         instr_out(data, hw_offset, count, "format %s, pitch %d, rop 0x%02x, "
 292                   "clipping %sabled, %s%s \n",
 293                   format,
 294                   (short)(data[count] & 0xffff),
 295                   (data[count] >> 16) & 0xff,
 296                   data[count] & (1 << 30) ? "en" : "dis",
 297                   data[count] & (1 << 31) ? "solid pattern enabled, " : "",
 298                   data[count] & (1 << 31) ?
 299                   "mono pattern transparency enabled, " : "");
 300
 301 }
 302
 303 static int
 304 decode_2d(uint32_t *data, uint32_t count, uint32_t hw_offset, int *failures)
 305 {
 306         unsigned int opcode, len;
 307
 308         struct {
 309                 uint32_t opcode;
 310                 unsigned int min_len;
 311                 unsigned int max_len;
 312                 const char *name;
 313         } opcodes_2d[] = {
 314                 { 0x40, 5, 5, "COLOR_BLT" },
 315                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 316                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 317                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 318                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 319                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 320                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 321                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 322                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 323                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 324                 { 0x51, 6, 6, "XY_PAT_BLT" },
 325                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 326                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 327                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 328                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 329                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 330                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 331                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 332                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 333                 { 0x55, 9, 9, "XY_FULL_BLT" },
 334                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 335                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 336                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 337                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 338                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 339         };
 340
 341         switch ((data[0] & 0x1fc00000) >> 22) {
 342         case 0x25:
 343                 instr_out(data, hw_offset, 0,
 344                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 345                           (data[0] >> 12) & 0x8,
 346                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 347
 348                 len = (data[0] & 0x000000ff) + 2;
 349                 if (len != 3)
 350                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 351                 if (count < 3)
 352                         BUFFER_FAIL(count, len, "XY_SCANLINES_BLT");
 353
 354                 instr_out(data, hw_offset, 1, "dest (%d,%d)\n",
 355                           data[1] & 0xffff, data[1] >> 16);
 356                 instr_out(data, hw_offset, 2, "dest (%d,%d)\n",
 357                           data[2] & 0xffff, data[2] >> 16);
 358                 return len;
 359         case 0x01:
 360                 decode_2d_br00(data, 0, hw_offset, "XY_SETUP_BLT");
 361
 362                 len = (data[0] & 0x000000ff) + 2;
 363                 if (len != 8)
 364                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 365                 if (count < 8)
 366                         BUFFER_FAIL(count, len, "XY_SETUP_BLT");
 367
 368                 decode_2d_br01(data, 1, hw_offset);
 369                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 370                           data[2] & 0xffff, data[2] >> 16);
 371                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 372                           data[3] & 0xffff, data[3] >> 16);
 373                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 374                           data[4]);
 375                 instr_out(data, hw_offset, 5, "setup background color\n");
 376                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 377                 instr_out(data, hw_offset, 7, "color pattern offset\n");
 378                 return len;
 379         case 0x03:
 380                 decode_2d_br00(data, 0, hw_offset, "XY_SETUP_CLIP_BLT");
 381
 382                 len = (data[0] & 0x000000ff) + 2;
 383                 if (len != 3)
 384                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 385                 if (count < 3)
 386                         BUFFER_FAIL(count, len, "XY_SETUP_CLIP_BLT");
 387
 388                 instr_out(data, hw_offset, 1, "cliprect (%d,%d)\n",
 389                           data[1] & 0xffff, data[2] >> 16);
 390                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 391                           data[2] & 0xffff, data[3] >> 16);
 392                 return len;
 393         case 0x11:
 394                 decode_2d_br00(data, 0, hw_offset,
 395                                "XY_SETUP_MONO_PATTERN_SL_BLT");
 396
 397                 len = (data[0] & 0x000000ff) + 2;
 398                 if (len != 9)
 399                         fprintf(out,
 400                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 401                 if (count < 9)
 402                         BUFFER_FAIL(count, len, "XY_SETUP_MONO_PATTERN_SL_BLT");
 403
 404                 decode_2d_br01(data, 1, hw_offset);
 405                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 406                           data[2] & 0xffff, data[2] >> 16);
 407                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 408                           data[3] & 0xffff, data[3] >> 16);
 409                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 410                           data[4]);
 411                 instr_out(data, hw_offset, 5, "setup background color\n");
 412                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 413                 instr_out(data, hw_offset, 7, "mono pattern dw0\n");
 414                 instr_out(data, hw_offset, 8, "mono pattern dw1\n");
 415                 return len;
 416         case 0x50:
 417                 decode_2d_br00(data, 0, hw_offset, "XY_COLOR_BLT");
 418
 419                 len = (data[0] & 0x000000ff) + 2;
 420                 if (len != 6)
 421                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 422                 if (count < 6)
 423                         BUFFER_FAIL(count, len, "XY_COLOR_BLT");
 424
 425                 decode_2d_br01(data, 1, hw_offset);
 426                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
 427                           data[2] & 0xffff, data[2] >> 16);
 428                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
 429                           data[3] & 0xffff, data[3] >> 16);
 430                 instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
 431                 instr_out(data, hw_offset, 5, "color\n");
 432                 return len;
 433         case 0x53:
 434                 decode_2d_br00(data, 0, hw_offset, "XY_SRC_COPY_BLT");
 435
 436                 len = (data[0] & 0x000000ff) + 2;
 437                 if (len != 8)
 438                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 439                 if (count < 8)
 440                         BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
 441
 442                 decode_2d_br01(data, 1, hw_offset);
 443                 instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
 444                           data[2] & 0xffff, data[2] >> 16);
 445                 instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
 446                           data[3] & 0xffff, data[3] >> 16);
 447                 instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
 448                 instr_out(data, hw_offset, 5, "src (%d,%d)\n",
 449                           data[5] & 0xffff, data[5] >> 16);
 450                 instr_out(data, hw_offset, 6, "src pitch %d\n",
 451                           (short)(data[6] & 0xffff));
 452                 instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
 453                 return len;
 454         }
 455
 456         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 457              opcode++) {
 458                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 459                         unsigned int i;
 460
 461                         len = 1;
 462                         instr_out(data, hw_offset, 0, "%s\n",
 463                                   opcodes_2d[opcode].name);
 464                         if (opcodes_2d[opcode].max_len > 1) {
 465                                 len = (data[0] & 0x000000ff) + 2;
 466                                 if (len < opcodes_2d[opcode].min_len ||
 467                                     len > opcodes_2d[opcode].max_len) {
 468                                         fprintf(out, "Bad count in %s\n",
 469                                                 opcodes_2d[opcode].name);
 470                                 }
 471                         }
 472
 473                         for (i = 1; i < len; i++) {
 474                                 if (i >= count)
 475                                         BUFFER_FAIL(count, len,
 476                                                     opcodes_2d[opcode].name);
 477                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 478                         }
 479
 480                         return len;
 481                 }
 482         }
 483
 484         instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
 485         (*failures)++;
 486         return 1;
 487 }
 488
 489 static int
 490 decode_3d_1c(uint32_t *data, uint32_t count, uint32_t hw_offset, int *failures)
 491 {
 492         uint32_t opcode;
 493
 494         opcode = (data[0] & 0x00f80000) >> 19;
 495
 496         switch (opcode) {
 497         case 0x11:
 498                 instr_out(data, hw_offset, 0,
 499                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 500                 return 1;
 501         case 0x10:
 502                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 503                           data[0] & 1 ? "enabled" : "disabled");
 504                 return 1;
 505         case 0x01:
 506                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 507                 return 1;
 508         case 0x0a:
 509                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
 510                 return 1;
 511         case 0x05:
 512                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 513                 return 1;
 514         }
 515
 516         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 517                   opcode);
 518         (*failures)++;
 519         return 1;
 520 }
 521
 522 /** Sets the string dstname to describe the destination of the PS instruction */
 523 static void
 524 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 525 {
 526         uint32_t a0 = data[i];
 527         int dst_nr = (a0 >> 14) & 0xf;
 528         char dstmask[8];
 529         const char *sat;
 530
 531         if (do_mask) {
 532                 if (((a0 >> 10) & 0xf) == 0xf) {
 533                         dstmask[0] = 0;
 534                 } else {
 535                         int dstmask_index = 0;
 536
 537                         dstmask[dstmask_index++] = '.';
 538                         if (a0 & (1 << 10))
 539                                 dstmask[dstmask_index++] = 'x';
 540                         if (a0 & (1 << 11))
 541                                 dstmask[dstmask_index++] = 'y';
 542                         if (a0 & (1 << 12))
 543                                 dstmask[dstmask_index++] = 'z';
 544                         if (a0 & (1 << 13))
 545                                 dstmask[dstmask_index++] = 'w';
 546                         dstmask[dstmask_index++] = 0;
 547                 }
 548
 549                 if (a0 & (1 << 22))
 550                         sat = ".sat";
 551                 else
 552                         sat = "";
 553         } else {
 554                 dstmask[0] = 0;
 555                 sat = "";
 556         }
 557
 558         switch ((a0 >> 19) & 0x7) {
 559         case 0:
 560                 if (dst_nr > 15)
 561                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 562                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 563                 break;
 564         case 4:
 565                 if (dst_nr > 0)
 566                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 567                 sprintf(dstname, "oC%s%s", dstmask, sat);
 568                 break;
 569         case 5:
 570                 if (dst_nr > 0)
 571                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 572                 sprintf(dstname, "oD%s%s", dstmask, sat);
 573                 break;
 574         case 6:
 575                 if (dst_nr > 3)
 576                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 577                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 578                 break;
 579         default:
 580                 sprintf(dstname, "RESERVED");
 581                 break;
 582         }
 583 }
 584
 585 static const char *
 586 i915_get_channel_swizzle(uint32_t select)
 587 {
 588         switch (select & 0x7) {
 589         case 0:
 590                 return (select & 8) ? "-x" : "x";
 591         case 1:
 592                 return (select & 8) ? "-y" : "y";
 593         case 2:
 594                 return (select & 8) ? "-z" : "z";
 595         case 3:
 596                 return (select & 8) ? "-w" : "w";
 597         case 4:
 598                 return (select & 8) ? "-0" : "0";
 599         case 5:
 600                 return (select & 8) ? "-1" : "1";
 601         default:
 602                 return (select & 8) ? "-bad" : "bad";
 603         }
 604 }
 605
 606 static void
 607 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 608 {
 609         switch (src_type) {
 610         case 0:
 611                 sprintf(name, "R%d", src_nr);
 612                 if (src_nr > 15)
 613                         fprintf(out, "bad src reg %s\n", name);
 614                 break;
 615         case 1:
 616                 if (src_nr < 8)
 617                         sprintf(name, "T%d", src_nr);
 618                 else if (src_nr == 8)
 619                         sprintf(name, "DIFFUSE");
 620                 else if (src_nr == 9)
 621                         sprintf(name, "SPECULAR");
 622                 else if (src_nr == 10)
 623                         sprintf(name, "FOG");
 624                 else {
 625                         fprintf(out, "bad src reg T%d\n", src_nr);
 626                         sprintf(name, "RESERVED");
 627                 }
 628                 break;
 629         case 2:
 630                 sprintf(name, "C%d", src_nr);
 631                 if (src_nr > 31)
 632                         fprintf(out, "bad src reg %s\n", name);
 633                 break;
 634         case 4:
 635                 sprintf(name, "oC");
 636                 if (src_nr > 0)
 637                         fprintf(out, "bad src reg oC%d\n", src_nr);
 638                 break;
 639         case 5:
 640                 sprintf(name, "oD");
 641                 if (src_nr > 0)
 642                         fprintf(out, "bad src reg oD%d\n", src_nr);
 643                 break;
 644         case 6:
 645                 sprintf(name, "U%d", src_nr);
 646                 if (src_nr > 3)
 647                         fprintf(out, "bad src reg %s\n", name);
 648                 break;
 649         default:
 650                 fprintf(out, "bad src reg type %d\n", src_type);
 651                 sprintf(name, "RESERVED");
 652                 break;
 653         }
 654 }
 655
 656 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 657 {
 658         uint32_t a0 = data[i];
 659         uint32_t a1 = data[i + 1];
 660         int src_nr = (a0 >> 2) & 0x1f;
 661         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 662         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 663         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 664         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 665         char swizzle[100];
 666
 667         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 668         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 669                 swizzle_w);
 670         if (strcmp(swizzle, ".xyzw") != 0)
 671                 strcat(srcname, swizzle);
 672 }
 673
 674 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 675 {
 676         uint32_t a1 = data[i + 1];
 677         uint32_t a2 = data[i + 2];
 678         int src_nr = (a1 >> 8) & 0x1f;
 679         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 680         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 681         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 682         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 683         char swizzle[100];
 684
 685         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 686         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 687                 swizzle_w);
 688         if (strcmp(swizzle, ".xyzw") != 0)
 689                 strcat(srcname, swizzle);
 690 }
 691
 692 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 693 {
 694         uint32_t a2 = data[i + 2];
 695         int src_nr = (a2 >> 16) & 0x1f;
 696         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 697         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 698         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 699         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 700         char swizzle[100];
 701
 702         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 703         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 704                 swizzle_w);
 705         if (strcmp(swizzle, ".xyzw") != 0)
 706                 strcat(srcname, swizzle);
 707 }
 708
 709 static void
 710 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 711 {
 712         switch (src_type) {
 713         case 0:
 714                 sprintf(name, "R%d", src_nr);
 715                 if (src_nr > 15)
 716                         fprintf(out, "bad src reg %s\n", name);
 717                 break;
 718         case 1:
 719                 if (src_nr < 8)
 720                         sprintf(name, "T%d", src_nr);
 721                 else if (src_nr == 8)
 722                         sprintf(name, "DIFFUSE");
 723                 else if (src_nr == 9)
 724                         sprintf(name, "SPECULAR");
 725                 else if (src_nr == 10)
 726                         sprintf(name, "FOG");
 727                 else {
 728                         fprintf(out, "bad src reg T%d\n", src_nr);
 729                         sprintf(name, "RESERVED");
 730                 }
 731                 break;
 732         case 4:
 733                 sprintf(name, "oC");
 734                 if (src_nr > 0)
 735                         fprintf(out, "bad src reg oC%d\n", src_nr);
 736                 break;
 737         case 5:
 738                 sprintf(name, "oD");
 739                 if (src_nr > 0)
 740                         fprintf(out, "bad src reg oD%d\n", src_nr);
 741                 break;
 742         default:
 743                 fprintf(out, "bad src reg type %d\n", src_type);
 744                 sprintf(name, "RESERVED");
 745                 break;
 746         }
 747 }
 748
 749 static void
 750 i915_decode_alu1(uint32_t *data, uint32_t hw_offset,
 751                  int i, char *instr_prefix, const char *op_name)
 752 {
 753         char dst[100], src0[100];
 754
 755         i915_get_instruction_dst(data, i, dst, 1);
 756         i915_get_instruction_src0(data, i, src0);
 757
 758         instr_out(data, hw_offset, i++, "%s: %s %s, %s\n", instr_prefix,
 759                   op_name, dst, src0);
 760         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 761         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 762 }
 763
 764 static void
 765 i915_decode_alu2(uint32_t *data, uint32_t hw_offset,
 766                  int i, char *instr_prefix, const char *op_name)
 767 {
 768         char dst[100], src0[100], src1[100];
 769
 770         i915_get_instruction_dst(data, i, dst, 1);
 771         i915_get_instruction_src0(data, i, src0);
 772         i915_get_instruction_src1(data, i, src1);
 773
 774         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 775                   op_name, dst, src0, src1);
 776         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 777         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 778 }
 779
 780 static void
 781 i915_decode_alu3(uint32_t *data, uint32_t hw_offset,
 782                  int i, char *instr_prefix, const char *op_name)
 783 {
 784         char dst[100], src0[100], src1[100], src2[100];
 785
 786         i915_get_instruction_dst(data, i, dst, 1);
 787         i915_get_instruction_src0(data, i, src0);
 788         i915_get_instruction_src1(data, i, src1);
 789         i915_get_instruction_src2(data, i, src2);
 790
 791         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 792                   op_name, dst, src0, src1, src2);
 793         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 794         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 795 }
 796
 797 static void
 798 i915_decode_tex(uint32_t *data, uint32_t hw_offset, int i,
 799                 const char *instr_prefix, const char *tex_name)
 800 {
 801         uint32_t t0 = data[i];
 802         uint32_t t1 = data[i + 1];
 803         char dst_name[100];
 804         char addr_name[100];
 805         int sampler_nr;
 806
 807         i915_get_instruction_dst(data, i, dst_name, 0);
 808         i915_get_instruction_addr((t1 >> 24) & 0x7,
 809                                   (t1 >> 17) & 0xf, addr_name);
 810         sampler_nr = t0 & 0xf;
 811
 812         instr_out(data, hw_offset, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 813                   tex_name, dst_name, sampler_nr, addr_name);
 814         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 815         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 816 }
 817
 818 static void
 819 i915_decode_dcl(uint32_t *data, uint32_t hw_offset, int i, char *instr_prefix)
 820 {
 821         uint32_t d0 = data[i];
 822         const char *sampletype;
 823         int dcl_nr = (d0 >> 14) & 0xf;
 824         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 825         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 826         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 827         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 828         char dcl_mask[10];
 829
 830         switch ((d0 >> 19) & 0x3) {
 831         case 1:
 832                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 833                 if (strcmp(dcl_mask, ".") == 0)
 834                         fprintf(out, "bad (empty) dcl mask\n");
 835
 836                 if (dcl_nr > 10)
 837                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 838                 if (dcl_nr < 8) {
 839                         if (strcmp(dcl_mask, ".x") != 0 &&
 840                             strcmp(dcl_mask, ".xy") != 0 &&
 841                             strcmp(dcl_mask, ".xz") != 0 &&
 842                             strcmp(dcl_mask, ".w") != 0 &&
 843                             strcmp(dcl_mask, ".xyzw") != 0) {
 844                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 845                                         dcl_mask);
 846                         }
 847                         instr_out(data, hw_offset, i++, "%s: DCL T%d%s\n",
 848                                   instr_prefix, dcl_nr, dcl_mask);
 849                 } else {
 850                         if (strcmp(dcl_mask, ".xz") == 0)
 851                                 fprintf(out, "errataed bad dcl mask %s\n",
 852                                         dcl_mask);
 853                         else if (strcmp(dcl_mask, ".xw") == 0)
 854                                 fprintf(out, "errataed bad dcl mask %s\n",
 855                                         dcl_mask);
 856                         else if (strcmp(dcl_mask, ".xzw") == 0)
 857                                 fprintf(out, "errataed bad dcl mask %s\n",
 858                                         dcl_mask);
 859
 860                         if (dcl_nr == 8) {
 861                                 instr_out(data, hw_offset, i++,
 862                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 863                                           dcl_mask);
 864                         } else if (dcl_nr == 9) {
 865                                 instr_out(data, hw_offset, i++,
 866                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 867                                           dcl_mask);
 868                         } else if (dcl_nr == 10) {
 869                                 instr_out(data, hw_offset, i++,
 870                                           "%s: DCL FOG%s\n", instr_prefix,
 871                                           dcl_mask);
 872                         }
 873                 }
 874                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 875                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 876                 break;
 877         case 3:
 878                 switch ((d0 >> 22) & 0x3) {
 879                 case 0:
 880                         sampletype = "2D";
 881                         break;
 882                 case 1:
 883                         sampletype = "CUBE";
 884                         break;
 885                 case 2:
 886                         sampletype = "3D";
 887                         break;
 888                 default:
 889                         sampletype = "RESERVED";
 890                         break;
 891                 }
 892                 if (dcl_nr > 15)
 893                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 894                 instr_out(data, hw_offset, i++, "%s: DCL S%d %s\n",
 895                           instr_prefix, dcl_nr, sampletype);
 896                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 897                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 898                 break;
 899         default:
 900                 instr_out(data, hw_offset, i++, "%s: DCL RESERVED%d\n",
 901                           instr_prefix, dcl_nr);
 902                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 903                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 904         }
 905 }
 906
 907 static void
 908 i915_decode_instruction(uint32_t *data, uint32_t hw_offset,
 909                         int i, char *instr_prefix)
 910 {
 911         switch ((data[i] >> 24) & 0x1f) {
 912         case 0x0:
 913                 instr_out(data, hw_offset, i++, "%s: NOP\n", instr_prefix);
 914                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 915                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 916                 break;
 917         case 0x01:
 918                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "ADD");
 919                 break;
 920         case 0x02:
 921                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOV");
 922                 break;
 923         case 0x03:
 924                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MUL");
 925                 break;
 926         case 0x04:
 927                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "MAD");
 928                 break;
 929         case 0x05:
 930                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "DP2ADD");
 931                 break;
 932         case 0x06:
 933                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP3");
 934                 break;
 935         case 0x07:
 936                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP4");
 937                 break;
 938         case 0x08:
 939                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FRC");
 940                 break;
 941         case 0x09:
 942                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RCP");
 943                 break;
 944         case 0x0a:
 945                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RSQ");
 946                 break;
 947         case 0x0b:
 948                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "EXP");
 949                 break;
 950         case 0x0c:
 951                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "LOG");
 952                 break;
 953         case 0x0d:
 954                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "CMP");
 955                 break;
 956         case 0x0e:
 957                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MIN");
 958                 break;
 959         case 0x0f:
 960                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MAX");
 961                 break;
 962         case 0x10:
 963                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FLR");
 964                 break;
 965         case 0x11:
 966                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOD");
 967                 break;
 968         case 0x12:
 969                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "TRC");
 970                 break;
 971         case 0x13:
 972                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SGE");
 973                 break;
 974         case 0x14:
 975                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SLT");
 976                 break;
 977         case 0x15:
 978                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLD");
 979                 break;
 980         case 0x16:
 981                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDP");
 982                 break;
 983         case 0x17:
 984                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDB");
 985                 break;
 986         case 0x19:
 987                 i915_decode_dcl(data, hw_offset, i, instr_prefix);
 988                 break;
 989         default:
 990                 instr_out(data, hw_offset, i++, "%s: unknown\n", instr_prefix);
 991                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 992                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 993                 break;
 994         }
 995 }
 996
 997 static const char *
 998 decode_compare_func(uint32_t op)
 999 {
1000         switch (op & 0x7) {
1001         case 0:
1002                 return "always";
1003         case 1:
1004                 return "never";
1005         case 2:
1006                 return "less";
1007         case 3:
1008                 return "equal";
1009         case 4:
1010                 return "lequal";
1011         case 5:
1012                 return "greater";
1013         case 6:
1014                 return "notequal";
1015         case 7:
1016                 return "gequal";
1017         }
1018         return "";
1019 }
1020
1021 static const char *
1022 decode_stencil_op(uint32_t op)
1023 {
1024         switch (op & 0x7) {
1025         case 0:
1026                 return "keep";
1027         case 1:
1028                 return "zero";
1029         case 2:
1030                 return "replace";
1031         case 3:
1032                 return "incr_sat";
1033         case 4:
1034                 return "decr_sat";
1035         case 5:
1036                 return "greater";
1037         case 6:
1038                 return "incr";
1039         case 7:
1040                 return "decr";
1041         }
1042         return "";
1043 }
1044
1045 #if 0
1046 static const char *
1047 decode_logic_op(uint32_t op)
1048 {
1049         switch (op & 0xf) {
1050         case 0:
1051                 return "clear";
1052         case 1:
1053                 return "nor";
1054         case 2:
1055                 return "and_inv";
1056         case 3:
1057                 return "copy_inv";
1058         case 4:
1059                 return "and_rvrse";
1060         case 5:
1061                 return "inv";
1062         case 6:
1063                 return "xor";
1064         case 7:
1065                 return "nand";
1066         case 8:
1067                 return "and";
1068         case 9:
1069                 return "equiv";
1070         case 10:
1071                 return "noop";
1072         case 11:
1073                 return "or_inv";
1074         case 12:
1075                 return "copy";
1076         case 13:
1077                 return "or_rvrse";
1078         case 14:
1079                 return "or";
1080         case 15:
1081                 return "set";
1082         }
1083         return "";
1084 }
1085 #endif
1086
1087 static const char *
1088 decode_blend_fact(uint32_t op)
1089 {
1090         switch (op & 0xf) {
1091         case 1:
1092                 return "zero";
1093         case 2:
1094                 return "one";
1095         case 3:
1096                 return "src_colr";
1097         case 4:
1098                 return "inv_src_colr";
1099         case 5:
1100                 return "src_alpha";
1101         case 6:
1102                 return "inv_src_alpha";
1103         case 7:
1104                 return "dst_alpha";
1105         case 8:
1106                 return "inv_dst_alpha";
1107         case 9:
1108                 return "dst_colr";
1109         case 10:
1110                 return "inv_dst_colr";
1111         case 11:
1112                 return "src_alpha_sat";
1113         case 12:
1114                 return "cnst_colr";
1115         case 13:
1116                 return "inv_cnst_colr";
1117         case 14:
1118                 return "cnst_alpha";
1119         case 15:
1120                 return "inv_const_alpha";
1121         }
1122         return "";
1123 }
1124
1125 static const char *
1126 decode_tex_coord_mode(uint32_t mode)
1127 {
1128         switch (mode & 0x7) {
1129         case 0:
1130                 return "wrap";
1131         case 1:
1132                 return "mirror";
1133         case 2:
1134                 return "clamp_edge";
1135         case 3:
1136                 return "cube";
1137         case 4:
1138                 return "clamp_border";
1139         case 5:
1140                 return "mirror_once";
1141         }
1142         return "";
1143 }
1144
1145 static const char *
1146 decode_sample_filter(uint32_t mode)
1147 {
1148         switch (mode & 0x7) {
1149         case 0:
1150                 return "nearest";
1151         case 1:
1152                 return "linear";
1153         case 2:
1154                 return "anisotropic";
1155         case 3:
1156                 return "4x4_1";
1157         case 4:
1158                 return "4x4_2";
1159         case 5:
1160                 return "4x4_flat";
1161         case 6:
1162                 return "6x5_mono";
1163         }
1164         return "";
1165 }
1166
1167 static int
1168 decode_3d_1d(uint32_t *data, uint32_t count,
1169              uint32_t hw_offset, uint32_t devid, int *failures)
1170 {
1171         unsigned int len, i, c, idx, word, map, sampler, instr;
1172         const char *format, *zformat, *type;
1173         uint32_t opcode;
1174
1175         struct {
1176                 uint32_t opcode;
1177                 int i830_only;
1178                 unsigned int min_len;
1179                 unsigned int max_len;
1180                 const char *name;
1181         } opcodes_3d_1d[] = {
1182                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1183                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1184                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1185                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1186                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1187                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1188                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1189                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1190                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1191                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1192                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1193                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1194                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1195                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1196                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1197                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1198         }, *opcode_3d_1d;
1199
1200         opcode = (data[0] & 0x00ff0000) >> 16;
1201
1202         switch (opcode) {
1203         case 0x07:
1204                 /* This instruction is unusual.  A 0 length means just
1205                  * 1 DWORD instead of 2.  The 0 length is specified in
1206                  * one place to be unsupported, but stated to be
1207                  * required in another, and 0 length LOAD_INDIRECTs
1208                  * appear to cause no harm at least.
1209                  */
1210                 instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
1211                 len = (data[0] & 0x000000ff) + 1;
1212                 i = 1;
1213                 if (data[0] & (0x01 << 8)) {
1214                         if (i + 2 >= count)
1215                                 BUFFER_FAIL(count, len,
1216                                             "3DSTATE_LOAD_INDIRECT");
1217                         instr_out(data, hw_offset, i++, "SIS.0\n");
1218                         instr_out(data, hw_offset, i++, "SIS.1\n");
1219                 }
1220                 if (data[0] & (0x02 << 8)) {
1221                         if (i + 1 >= count)
1222                                 BUFFER_FAIL(count, len,
1223                                             "3DSTATE_LOAD_INDIRECT");
1224                         instr_out(data, hw_offset, i++, "DIS.0\n");
1225                 }
1226                 if (data[0] & (0x04 << 8)) {
1227                         if (i + 2 >= count)
1228                                 BUFFER_FAIL(count, len,
1229                                             "3DSTATE_LOAD_INDIRECT");
1230                         instr_out(data, hw_offset, i++, "SSB.0\n");
1231                         instr_out(data, hw_offset, i++, "SSB.1\n");
1232                 }
1233                 if (data[0] & (0x08 << 8)) {
1234                         if (i + 2 >= count)
1235                                 BUFFER_FAIL(count, len,
1236                                             "3DSTATE_LOAD_INDIRECT");
1237                         instr_out(data, hw_offset, i++, "MSB.0\n");
1238                         instr_out(data, hw_offset, i++, "MSB.1\n");
1239                 }
1240                 if (data[0] & (0x10 << 8)) {
1241                         if (i + 2 >= count)
1242                                 BUFFER_FAIL(count, len,
1243                                             "3DSTATE_LOAD_INDIRECT");
1244                         instr_out(data, hw_offset, i++, "PSP.0\n");
1245                         instr_out(data, hw_offset, i++, "PSP.1\n");
1246                 }
1247                 if (data[0] & (0x20 << 8)) {
1248                         if (i + 2 >= count)
1249                                 BUFFER_FAIL(count, len,
1250                                             "3DSTATE_LOAD_INDIRECT");
1251                         instr_out(data, hw_offset, i++, "PSC.0\n");
1252                         instr_out(data, hw_offset, i++, "PSC.1\n");
1253                 }
1254                 if (len != i) {
1255                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1256                         (*failures)++;
1257                         return len;
1258                 }
1259                 return len;
1260         case 0x04:
1261                 instr_out(data, hw_offset, 0,
1262                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1263                 len = (data[0] & 0x0000000f) + 2;
1264                 i = 1;
1265                 for (word = 0; word <= 8; word++) {
1266                         if (data[0] & (1 << (4 + word))) {
1267                                 if (i >= count)
1268                                         BUFFER_FAIL(count, len,
1269                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_1");
1270
1271                                 /* save vertex state for decode */
1272                                 if (!IS_GEN2(devid)) {
1273                                         int tex_num;
1274
1275                                         if (word == 2) {
1276                                                 saved_s2_set = 1;
1277                                                 saved_s2 = data[i];
1278                                         }
1279                                         if (word == 4) {
1280                                                 saved_s4_set = 1;
1281                                                 saved_s4 = data[i];
1282                                         }
1283
1284                                         switch (word) {
1285                                         case 0:
1286                                                 instr_out(data, hw_offset, i,
1287                                                           "S0: vbo offset: 0x%08x%s\n",
1288                                                           data[i] & (~1),
1289                                                           data[i] & 1 ?
1290                                                           ", auto cache invalidate disabled"
1291                                                           : "");
1292                                                 break;
1293                                         case 1:
1294                                                 instr_out(data, hw_offset, i,
1295                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1296                                                           (data[i] >> 24) &
1297                                                           0x3f,
1298                                                           (data[i] >> 16) &
1299                                                           0x3f);
1300                                                 break;
1301                                         case 2:
1302                                                 instr_out(data, hw_offset, i,
1303                                                           "S2: texcoord formats: ");
1304                                                 for (tex_num = 0;
1305                                                      tex_num < 8; tex_num++) {
1306                                                         switch ((data[i] >>
1307                                                                  tex_num *
1308                                                                  4) & 0xf) {
1309                                                         case 0:
1310                                                                 fprintf(out,
1311                                                                         "%i=2D ",
1312                                                                         tex_num);
1313                                                                 break;
1314                                                         case 1:
1315                                                                 fprintf(out,
1316                                                                         "%i=3D ",
1317                                                                         tex_num);
1318                                                                 break;
1319                                                         case 2:
1320                                                                 fprintf(out,
1321                                                                         "%i=4D ",
1322                                                                         tex_num);
1323                                                                 break;
1324                                                         case 3:
1325                                                                 fprintf(out,
1326                                                                         "%i=1D ",
1327                                                                         tex_num);
1328                                                                 break;
1329                                                         case 4:
1330                                                                 fprintf(out,
1331                                                                         "%i=2D_16 ",
1332                                                                         tex_num);
1333                                                                 break;
1334                                                         case 5:
1335                                                                 fprintf(out,
1336                                                                         "%i=4D_16 ",
1337                                                                         tex_num);
1338                                                                 break;
1339                                                         case 0xf:
1340                                                                 fprintf(out,
1341                                                                         "%i=NP ",
1342                                                                         tex_num);
1343                                                                 break;
1344                                                         }
1345                                                 }
1346                                                 fprintf(out, "\n");
1347
1348                                                 break;
1349                                         case 3:
1350                                                 instr_out(data, hw_offset, i,
1351                                                           "S3: not documented\n");
1352                                                 break;
1353                                         case 4:
1354                                                 {
1355                                                         const char *cullmode = "";
1356                                                         const char *vfmt_xyzw = "";
1357                                                         switch ((data[i] >> 13)
1358                                                                 & 0x3) {
1359                                                         case 0:
1360                                                                 cullmode =
1361                                                                     "both";
1362                                                                 break;
1363                                                         case 1:
1364                                                                 cullmode =
1365                                                                     "none";
1366                                                                 break;
1367                                                         case 2:
1368                                                                 cullmode = "cw";
1369                                                                 break;
1370                                                         case 3:
1371                                                                 cullmode =
1372                                                                     "ccw";
1373                                                                 break;
1374                                                         }
1375                                                         switch (data[i] &
1376                                                                 (7 << 6 | 1 <<
1377                                                                  2)) {
1378                                                         case 1 << 6:
1379                                                                 vfmt_xyzw =
1380                                                                     "XYZ,";
1381                                                                 break;
1382                                                         case 2 << 6:
1383                                                                 vfmt_xyzw =
1384                                                                     "XYZW,";
1385                                                                 break;
1386                                                         case 3 << 6:
1387                                                                 vfmt_xyzw =
1388                                                                     "XY,";
1389                                                                 break;
1390                                                         case 4 << 6:
1391                                                                 vfmt_xyzw =
1392                                                                     "XYW,";
1393                                                                 break;
1394                                                         case 1 << 6 | 1 << 2:
1395                                                                 vfmt_xyzw =
1396                                                                     "XYZF,";
1397                                                                 break;
1398                                                         case 2 << 6 | 1 << 2:
1399                                                                 vfmt_xyzw =
1400                                                                     "XYZWF,";
1401                                                                 break;
1402                                                         case 3 << 6 | 1 << 2:
1403                                                                 vfmt_xyzw =
1404                                                                     "XYF,";
1405                                                                 break;
1406                                                         case 4 << 6 | 1 << 2:
1407                                                                 vfmt_xyzw =
1408                                                                     "XYWF,";
1409                                                                 break;
1410                                                         }
1411                                                         instr_out(data,
1412                                                                   hw_offset, i,
1413                                                                   "S4: point_width=%i, line_width=%.1f,"
1414                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1415                                                                   "%s%s%s%s%s\n",
1416                                                                   (data[i] >>
1417                                                                    23) & 0x1ff,
1418                                                                   ((data[i] >>
1419                                                                     19) & 0xf) /
1420                                                                   2.0,
1421                                                                   data[i] & (0xf
1422                                                                              <<
1423                                                                              15)
1424                                                                   ?
1425                                                                   " flatshade="
1426                                                                   : "",
1427                                                                   data[i] & (1
1428                                                                              <<
1429                                                                              18)
1430                                                                   ? "Alpha," :
1431                                                                   "",
1432                                                                   data[i] & (1
1433                                                                              <<
1434                                                                              17)
1435                                                                   ? "Fog," : "",
1436                                                                   data[i] & (1
1437                                                                              <<
1438                                                                              16)
1439                                                                   ? "Specular,"
1440                                                                   : "",
1441                                                                   data[i] & (1
1442                                                                              <<
1443                                                                              15)
1444                                                                   ? "Color," :
1445                                                                   "", cullmode,
1446                                                                   data[i] & (1
1447                                                                              <<
1448                                                                              12)
1449                                                                   ?
1450                                                                   "PointWidth,"
1451                                                                   : "",
1452                                                                   data[i] & (1
1453                                                                              <<
1454                                                                              11)
1455                                                                   ? "SpecFog," :
1456                                                                   "",
1457                                                                   data[i] & (1
1458                                                                              <<
1459                                                                              10)
1460                                                                   ? "Color," :
1461                                                                   "",
1462                                                                   data[i] & (1
1463                                                                              <<
1464                                                                              9)
1465                                                                   ? "DepthOfs,"
1466                                                                   : "",
1467                                                                   vfmt_xyzw,
1468                                                                   data[i] & (1
1469                                                                              <<
1470                                                                              9)
1471                                                                   ? "FogParam,"
1472                                                                   : "",
1473                                                                   data[i] & (1
1474                                                                              <<
1475                                                                              5)
1476                                                                   ?
1477                                                                   "force default diffuse, "
1478                                                                   : "",
1479                                                                   data[i] & (1
1480                                                                              <<
1481                                                                              4)
1482                                                                   ?
1483                                                                   "force default specular, "
1484                                                                   : "",
1485                                                                   data[i] & (1
1486                                                                              <<
1487                                                                              3)
1488                                                                   ?
1489                                                                   "local depth ofs enable, "
1490                                                                   : "",
1491                                                                   data[i] & (1
1492                                                                              <<
1493                                                                              1)
1494                                                                   ?
1495                                                                   "point sprite enable, "
1496                                                                   : "",
1497                                                                   data[i] & (1
1498                                                                              <<
1499                                                                              0)
1500                                                                   ?
1501                                                                   "line AA enable, "
1502                                                                   : "");
1503                                                         break;
1504                                                 }
1505                                         case 5:
1506                                                 {
1507                                                         instr_out(data,
1508                                                                   hw_offset, i,
1509                                                                   "S5:%s%s%s%s%s"
1510                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1511                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1512                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1513                                                                   data[i] & (0xf
1514                                                                              <<
1515                                                                              28)
1516                                                                   ?
1517                                                                   " write_disable="
1518                                                                   : "",
1519                                                                   data[i] & (1
1520                                                                              <<
1521                                                                              31)
1522                                                                   ? "Alpha," :
1523                                                                   "",
1524                                                                   data[i] & (1
1525                                                                              <<
1526                                                                              30)
1527                                                                   ? "Red," : "",
1528                                                                   data[i] & (1
1529                                                                              <<
1530                                                                              29)
1531                                                                   ? "Green," :
1532                                                                   "",
1533                                                                   data[i] & (1
1534                                                                              <<
1535                                                                              28)
1536                                                                   ? "Blue," :
1537                                                                   "",
1538                                                                   data[i] & (1
1539                                                                              <<
1540                                                                              27)
1541                                                                   ?
1542                                                                   " force default point size,"
1543                                                                   : "",
1544                                                                   data[i] & (1
1545                                                                              <<
1546                                                                              26)
1547                                                                   ?
1548                                                                   " last pixel enable,"
1549                                                                   : "",
1550                                                                   data[i] & (1
1551                                                                              <<
1552                                                                              25)
1553                                                                   ?
1554                                                                   " global depth ofs enable,"
1555                                                                   : "",
1556                                                                   data[i] & (1
1557                                                                              <<
1558                                                                              24)
1559                                                                   ?
1560                                                                   " fog enable,"
1561                                                                   : "",
1562                                                                   (data[i] >>
1563                                                                    16) & 0xff,
1564                                                                   decode_compare_func
1565                                                                   (data[i] >>
1566                                                                    13),
1567                                                                   decode_stencil_op
1568                                                                   (data[i] >>
1569                                                                    10),
1570                                                                   decode_stencil_op
1571                                                                   (data[i] >>
1572                                                                    7),
1573                                                                   decode_stencil_op
1574                                                                   (data[i] >>
1575                                                                    4),
1576                                                                   data[i] & (1
1577                                                                              <<
1578                                                                              3)
1579                                                                   ?
1580                                                                   "stencil write enable, "
1581                                                                   : "",
1582                                                                   data[i] & (1
1583                                                                              <<
1584                                                                              2)
1585                                                                   ?
1586                                                                   "stencil test enable, "
1587                                                                   : "",
1588                                                                   data[i] & (1
1589                                                                              <<
1590                                                                              1)
1591                                                                   ?
1592                                                                   "color dither enable, "
1593                                                                   : "",
1594                                                                   data[i] & (1
1595                                                                              <<
1596                                                                              0)
1597                                                                   ?
1598                                                                   "logicop enable, "
1599                                                                   : "");
1600                                                 }
1601                                                 break;
1602                                         case 6:
1603                                                 instr_out(data, hw_offset, i,
1604                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1605                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1606                                                           "%s%stristrip_provoking_vertex=%i\n",
1607                                                           data[i] & (1 << 31) ?
1608                                                           "alpha test enable, "
1609                                                           : "",
1610                                                           decode_compare_func
1611                                                           (data[i] >> 28),
1612                                                           data[i] & (0xff <<
1613                                                                      20),
1614                                                           decode_compare_func
1615                                                           (data[i] >> 16),
1616                                                           data[i] & (1 << 15) ?
1617                                                           "cbuf blend enable, "
1618                                                           : "",
1619                                                           decode_blend_fact(data
1620                                                                             [i]
1621                                                                             >>
1622                                                                             8),
1623                                                           decode_blend_fact(data
1624                                                                             [i]
1625                                                                             >>
1626                                                                             4),
1627                                                           data[i] & (1 << 3) ?
1628                                                           "depth write enable, "
1629                                                           : "",
1630                                                           data[i] & (1 << 2) ?
1631                                                           "cbuf write enable, "
1632                                                           : "",
1633                                                           data[i] & (0x3));
1634                                                 break;
1635                                         case 7:
1636                                                 instr_out(data, hw_offset, i,
1637                                                           "S7: depth offset constant: 0x%08x\n",
1638                                                           data[i]);
1639                                                 break;
1640                                         }
1641                                 } else {
1642                                         instr_out(data, hw_offset, i,
1643                                                   "S%d: 0x%08x\n", i, data[i]);
1644                                 }
1645                                 i++;
1646                         }
1647                 }
1648                 if (len != i) {
1649                         fprintf(out,
1650                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1651                         (*failures)++;
1652                 }
1653                 return len;
1654         case 0x03:
1655                 instr_out(data, hw_offset, 0,
1656                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1657                 len = (data[0] & 0x0000000f) + 2;
1658                 i = 1;
1659                 for (word = 6; word <= 14; word++) {
1660                         if (data[0] & (1 << word)) {
1661                                 if (i >= count)
1662                                         BUFFER_FAIL(count, len,
1663                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_2");
1664
1665                                 if (word == 6)
1666                                         instr_out(data, hw_offset, i++,
1667                                                   "TBCF\n");
1668                                 else if (word >= 7 && word <= 10) {
1669                                         instr_out(data, hw_offset, i++,
1670                                                   "TB%dC\n", word - 7);
1671                                         instr_out(data, hw_offset, i++,
1672                                                   "TB%dA\n", word - 7);
1673                                 } else if (word >= 11 && word <= 14) {
1674                                         instr_out(data, hw_offset, i,
1675                                                   "TM%dS0: offset=0x%08x, %s\n",
1676                                                   word - 11,
1677                                                   data[i] & 0xfffffffe,
1678                                                   data[i] & 1 ? "use fence" :
1679                                                   "");
1680                                         i++;
1681                                         instr_out(data, hw_offset, i,
1682                                                   "TM%dS1: height=%i, width=%i, %s\n",
1683                                                   word - 11, data[i] >> 21,
1684                                                   (data[i] >> 10) & 0x3ff,
1685                                                   data[i] & 2 ? (data[i] & 1 ?
1686                                                                  "y-tiled" :
1687                                                                  "x-tiled") :
1688                                                   "");
1689                                         i++;
1690                                         instr_out(data, hw_offset, i,
1691                                                   "TM%dS2: pitch=%i, \n",
1692                                                   word - 11,
1693                                                   ((data[i] >> 21) + 1) * 4);
1694                                         i++;
1695                                         instr_out(data, hw_offset, i++,
1696                                                   "TM%dS3\n", word - 11);
1697                                         instr_out(data, hw_offset, i++,
1698                                                   "TM%dS4: dflt color\n",
1699                                                   word - 11);
1700                                 }
1701                         }
1702                 }
1703                 if (len != i) {
1704                         fprintf(out,
1705                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1706                         (*failures)++;
1707                 }
1708                 return len;
1709         case 0x00:
1710                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
1711                 len = (data[0] & 0x0000003f) + 2;
1712                 instr_out(data, hw_offset, 1, "mask\n");
1713
1714                 i = 2;
1715                 for (map = 0; map <= 15; map++) {
1716                         if (data[1] & (1 << map)) {
1717                                 int width, height, pitch, dword;
1718                                 const char *tiling;
1719
1720                                 if (i + 3 >= count)
1721                                         BUFFER_FAIL(count, len,
1722                                                     "3DSTATE_MAP_STATE");
1723
1724                                 dword = data[i];
1725                                 instr_out(data, hw_offset, i++,
1726                                           "map %d MS2 %s%s%s\n", map,
1727                                           dword & (1 << 31) ?
1728                                           "untrusted surface, " : "",
1729                                           dword & (1 << 1) ?
1730                                           "vertical line stride enable, " : "",
1731                                           dword & (1 << 0) ?
1732                                           "vertical ofs enable, " : "");
1733
1734                                 dword = data[i];
1735                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1736                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1737
1738                                 tiling = "none";
1739                                 if (dword & (1 << 2))
1740                                         tiling = "fenced";
1741                                 else if (dword & (1 << 1))
1742                                         tiling = dword & (1 << 0) ? "Y" : "X";
1743                                 type = " BAD";
1744                                 format = "BAD";
1745                                 switch ((dword >> 7) & 0x7) {
1746                                 case 1:
1747                                         type = "8b";
1748                                         switch ((dword >> 3) & 0xf) {
1749                                         case 0:
1750                                                 format = "I";
1751                                                 break;
1752                                         case 1:
1753                                                 format = "L";
1754                                                 break;
1755                                         case 4:
1756                                                 format = "A";
1757                                                 break;
1758                                         case 5:
1759                                                 format = " mono";
1760                                                 break;
1761                                         }
1762                                         break;
1763                                 case 2:
1764                                         type = "16b";
1765                                         switch ((dword >> 3) & 0xf) {
1766                                         case 0:
1767                                                 format = " rgb565";
1768                                                 break;
1769                                         case 1:
1770                                                 format = " argb1555";
1771                                                 break;
1772                                         case 2:
1773                                                 format = " argb4444";
1774                                                 break;
1775                                         case 5:
1776                                                 format = " ay88";
1777                                                 break;
1778                                         case 6:
1779                                                 format = " bump655";
1780                                                 break;
1781                                         case 7:
1782                                                 format = "I";
1783                                                 break;
1784                                         case 8:
1785                                                 format = "L";
1786                                                 break;
1787                                         case 9:
1788                                                 format = "A";
1789                                                 break;
1790                                         }
1791                                         break;
1792                                 case 3:
1793                                         type = "32b";
1794                                         switch ((dword >> 3) & 0xf) {
1795                                         case 0:
1796                                                 format = " argb8888";
1797                                                 break;
1798                                         case 1:
1799                                                 format = " abgr8888";
1800                                                 break;
1801                                         case 2:
1802                                                 format = " xrgb8888";
1803                                                 break;
1804                                         case 3:
1805                                                 format = " xbgr8888";
1806                                                 break;
1807                                         case 4:
1808                                                 format = " qwvu8888";
1809                                                 break;
1810                                         case 5:
1811                                                 format = " axvu8888";
1812                                                 break;
1813                                         case 6:
1814                                                 format = " lxvu8888";
1815                                                 break;
1816                                         case 7:
1817                                                 format = " xlvu8888";
1818                                                 break;
1819                                         case 8:
1820                                                 format = " argb2101010";
1821                                                 break;
1822                                         case 9:
1823                                                 format = " abgr2101010";
1824                                                 break;
1825                                         case 10:
1826                                                 format = " awvu2101010";
1827                                                 break;
1828                                         case 11:
1829                                                 format = " gr1616";
1830                                                 break;
1831                                         case 12:
1832                                                 format = " vu1616";
1833                                                 break;
1834                                         case 13:
1835                                                 format = " xI824";
1836                                                 break;
1837                                         case 14:
1838                                                 format = " xA824";
1839                                                 break;
1840                                         case 15:
1841                                                 format = " xL824";
1842                                                 break;
1843                                         }
1844                                         break;
1845                                 case 5:
1846                                         type = "422";
1847                                         switch ((dword >> 3) & 0xf) {
1848                                         case 0:
1849                                                 format = " yuv_swapy";
1850                                                 break;
1851                                         case 1:
1852                                                 format = " yuv";
1853                                                 break;
1854                                         case 2:
1855                                                 format = " yuv_swapuv";
1856                                                 break;
1857                                         case 3:
1858                                                 format = " yuv_swapuvy";
1859                                                 break;
1860                                         }
1861                                         break;
1862                                 case 6:
1863                                         type = "compressed";
1864                                         switch ((dword >> 3) & 0x7) {
1865                                         case 0:
1866                                                 format = " dxt1";
1867                                                 break;
1868                                         case 1:
1869                                                 format = " dxt2_3";
1870                                                 break;
1871                                         case 2:
1872                                                 format = " dxt4_5";
1873                                                 break;
1874                                         case 3:
1875                                                 format = " fxt1";
1876                                                 break;
1877                                         case 4:
1878                                                 format = " dxt1_rb";
1879                                                 break;
1880                                         }
1881                                         break;
1882                                 case 7:
1883                                         type = "4b indexed";
1884                                         switch ((dword >> 3) & 0xf) {
1885                                         case 7:
1886                                                 format = " argb8888";
1887                                                 break;
1888                                         }
1889                                         break;
1890                                 }
1891                                 dword = data[i];
1892                                 instr_out(data, hw_offset, i++,
1893                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1894                                           map, width, height, type, format,
1895                                           tiling,
1896                                           dword & (1 << 9) ? " palette select" :
1897                                           "");
1898
1899                                 dword = data[i];
1900                                 pitch =
1901                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1902                                 instr_out(data, hw_offset, i++,
1903                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1904                                           map, pitch, (dword >> 9) & 0x3f,
1905                                           dword & 0xff, (dword >> 15) & 0x3f,
1906                                           dword & (1 << 8) ? "miplayout legacy"
1907                                           : "miplayout right");
1908                         }
1909                 }
1910                 if (len != i) {
1911                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1912                         (*failures)++;
1913                         return len;
1914                 }
1915                 return len;
1916         case 0x06:
1917                 instr_out(data, hw_offset, 0,
1918                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1919                 len = (data[0] & 0x000000ff) + 2;
1920
1921                 i = 2;
1922                 for (c = 0; c <= 31; c++) {
1923                         if (data[1] & (1 << c)) {
1924                                 if (i + 4 >= count)
1925                                         BUFFER_FAIL(count, len,
1926                                                     "3DSTATE_PIXEL_SHADER_CONSTANTS");
1927                                 instr_out(data, hw_offset, i, "C%d.X = %f\n", c,
1928                                           int_as_float(data[i]));
1929                                 i++;
1930                                 instr_out(data, hw_offset, i, "C%d.Y = %f\n",
1931                                           c, int_as_float(data[i]));
1932                                 i++;
1933                                 instr_out(data, hw_offset, i, "C%d.Z = %f\n",
1934                                           c, int_as_float(data[i]));
1935                                 i++;
1936                                 instr_out(data, hw_offset, i, "C%d.W = %f\n",
1937                                           c, int_as_float(data[i]));
1938                                 i++;
1939                         }
1940                 }
1941                 if (len != i) {
1942                         fprintf(out,
1943                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1944                         (*failures)++;
1945                 }
1946                 return len;
1947         case 0x05:
1948                 instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
1949                 len = (data[0] & 0x000000ff) + 2;
1950                 if ((len - 1) % 3 != 0 || len > 370) {
1951                         fprintf(out,
1952                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
1953                         (*failures)++;
1954                 }
1955                 i = 1;
1956                 for (instr = 0; instr < (len - 1) / 3; instr++) {
1957                         char instr_prefix[10];
1958
1959                         if (i + 3 >= count)
1960                                 BUFFER_FAIL(count, len,
1961                                             "3DSTATE_PIXEL_SHADER_PROGRAM");
1962                         sprintf(instr_prefix, "PS%03d", instr);
1963                         i915_decode_instruction(data, hw_offset, i,
1964                                                 instr_prefix);
1965                         i += 3;
1966                 }
1967                 return len;
1968         case 0x01:
1969                 if (IS_GEN2(devid))
1970                         break;
1971                 instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
1972                 instr_out(data, hw_offset, 1, "mask\n");
1973                 len = (data[0] & 0x0000003f) + 2;
1974                 i = 2;
1975                 for (sampler = 0; sampler <= 15; sampler++) {
1976                         if (data[1] & (1 << sampler)) {
1977                                 uint32_t dword;
1978                                 const char *mip_filter = "";
1979                                 if (i + 3 >= count)
1980                                         BUFFER_FAIL(count, len,
1981                                                     "3DSTATE_SAMPLER_STATE");
1982                                 dword = data[i];
1983                                 switch ((dword >> 20) & 0x3) {
1984                                 case 0:
1985                                         mip_filter = "none";
1986                                         break;
1987                                 case 1:
1988                                         mip_filter = "nearest";
1989                                         break;
1990                                 case 3:
1991                                         mip_filter = "linear";
1992                                         break;
1993                                 }
1994                                 instr_out(data, hw_offset, i++,
1995                                           "sampler %d SS2:%s%s%s "
1996                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
1997                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
1998                                           sampler,
1999                                           dword & (1 << 31) ? " reverse gamma,"
2000                                           : "",
2001                                           dword & (1 << 30) ? " packed2planar,"
2002                                           : "",
2003                                           dword & (1 << 29) ?
2004                                           " colorspace conversion," : "",
2005                                           (dword >> 22) & 0x1f, mip_filter,
2006                                           decode_sample_filter(dword >> 17),
2007                                           decode_sample_filter(dword >> 14),
2008                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2009                                           dword & (1 << 4) ? " shadow," : "",
2010                                           dword & (1 << 3) ? 4 : 2,
2011                                           decode_compare_func(dword));
2012                                 dword = data[i];
2013                                 instr_out(data, hw_offset, i++,
2014                                           "sampler %d SS3: min_lod=%.2f,%s "
2015                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2016                                           sampler,
2017                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2018                                           dword & (1 << 17) ?
2019                                           " kill pixel enable," : "",
2020                                           decode_tex_coord_mode(dword >> 12),
2021                                           decode_tex_coord_mode(dword >> 9),
2022                                           decode_tex_coord_mode(dword >> 6),
2023                                           dword & (1 << 5) ?
2024                                           " normalized coords," : "",
2025                                           (dword >> 1) & 0xf,
2026                                           dword & (1 << 0) ? " deinterlacer," :
2027                                           "");
2028                                 dword = data[i];
2029                                 instr_out(data, hw_offset, i++,
2030                                           "sampler %d SS4: border color\n",
2031                                           sampler);
2032                         }
2033                 }
2034                 if (len != i) {
2035                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2036                         (*failures)++;
2037                 }
2038                 return len;
2039         case 0x85:
2040                 len = (data[0] & 0x0000000f) + 2;
2041
2042                 if (len != 2)
2043                         fprintf(out,
2044                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2045                 if (count < 2)
2046                         BUFFER_FAIL(count, len,
2047                                     "3DSTATE_DEST_BUFFER_VARIABLES");
2048
2049                 instr_out(data, hw_offset, 0,
2050                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2051
2052                 switch ((data[1] >> 8) & 0xf) {
2053                 case 0x0:
2054                         format = "g8";
2055                         break;
2056                 case 0x1:
2057                         format = "x1r5g5b5";
2058                         break;
2059                 case 0x2:
2060                         format = "r5g6b5";
2061                         break;
2062                 case 0x3:
2063                         format = "a8r8g8b8";
2064                         break;
2065                 case 0x4:
2066                         format = "ycrcb_swapy";
2067                         break;
2068                 case 0x5:
2069                         format = "ycrcb_normal";
2070                         break;
2071                 case 0x6:
2072                         format = "ycrcb_swapuv";
2073                         break;
2074                 case 0x7:
2075                         format = "ycrcb_swapuvy";
2076                         break;
2077                 case 0x8:
2078                         format = "a4r4g4b4";
2079                         break;
2080                 case 0x9:
2081                         format = "a1r5g5b5";
2082                         break;
2083                 case 0xa:
2084                         format = "a2r10g10b10";
2085                         break;
2086                 default:
2087                         format = "BAD";
2088                         break;
2089                 }
2090                 switch ((data[1] >> 2) & 0x3) {
2091                 case 0x0:
2092                         zformat = "u16";
2093                         break;
2094                 case 0x1:
2095                         zformat = "f16";
2096                         break;
2097                 case 0x2:
2098                         zformat = "u24x8";
2099                         break;
2100                 default:
2101                         zformat = "BAD";
2102                         break;
2103                 }
2104                 instr_out(data, hw_offset, 1,
2105                           "%s format, %s depth format, early Z %sabled\n",
2106                           format, zformat,
2107                           (data[1] & (1 << 31)) ? "en" : "dis");
2108                 return len;
2109
2110         case 0x8e:
2111                 {
2112                         const char *name, *tiling;
2113
2114                         len = (data[0] & 0x0000000f) + 2;
2115                         if (len != 3)
2116                                 fprintf(out,
2117                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2118                         if (count < 3)
2119                                 BUFFER_FAIL(count, len, "3DSTATE_BUFFER_INFO");
2120
2121                         switch ((data[1] >> 24) & 0x7) {
2122                         case 0x3:
2123                                 name = "color";
2124                                 break;
2125                         case 0x7:
2126                                 name = "depth";
2127                                 break;
2128                         default:
2129                                 name = "unknown";
2130                                 break;
2131                         }
2132
2133                         tiling = "none";
2134                         if (data[1] & (1 << 23))
2135                                 tiling = "fenced";
2136                         else if (data[1] & (1 << 22))
2137                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2138
2139                         instr_out(data, hw_offset, 0, "3DSTATE_BUFFER_INFO\n");
2140                         instr_out(data, hw_offset, 1,
2141                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2142                                   data[1] & 0xffff);
2143
2144                         instr_out(data, hw_offset, 2, "address\n");
2145                         return len;
2146                 }
2147         case 0x81:
2148                 len = (data[0] & 0x0000000f) + 2;
2149
2150                 if (len != 3)
2151                         fprintf(out,
2152                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2153                 if (count < 3)
2154                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_RECTANGLE");
2155
2156                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2157                 instr_out(data, hw_offset, 1, "(%d,%d)\n",
2158                           data[1] & 0xffff, data[1] >> 16);
2159                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2160                           data[2] & 0xffff, data[2] >> 16);
2161
2162                 return len;
2163         case 0x80:
2164                 len = (data[0] & 0x0000000f) + 2;
2165
2166                 if (len != 5)
2167                         fprintf(out,
2168                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2169                 if (count < 5)
2170                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
2171
2172                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2173                 instr_out(data, hw_offset, 1, "%s\n",
2174                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2175                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2176                           data[2] & 0xffff, data[2] >> 16);
2177                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
2178                           data[3] & 0xffff, data[3] >> 16);
2179                 instr_out(data, hw_offset, 4, "(%d,%d)\n",
2180                           data[4] & 0xffff, data[4] >> 16);
2181
2182                 return len;
2183         case 0x9c:
2184                 len = (data[0] & 0x0000000f) + 2;
2185
2186                 if (len != 7)
2187                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2188                 if (count < 7)
2189                         BUFFER_FAIL(count, len, "3DSTATE_CLEAR_PARAMETERS");
2190
2191                 instr_out(data, hw_offset, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2192                 instr_out(data, hw_offset, 1, "prim_type=%s, clear=%s%s%s\n",
2193                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2194                           data[1] & (1 << 2) ? "color," : "",
2195                           data[1] & (1 << 1) ? "depth," : "",
2196                           data[1] & (1 << 0) ? "stencil," : "");
2197                 instr_out(data, hw_offset, 2, "clear color\n");
2198                 instr_out(data, hw_offset, 3, "clear depth/stencil\n");
2199                 instr_out(data, hw_offset, 4, "color value (rgba8888)\n");
2200                 instr_out(data, hw_offset, 5, "depth value %f\n",
2201                           int_as_float(data[5]));
2202                 instr_out(data, hw_offset, 6, "clear stencil\n");
2203                 return len;
2204         }
2205
2206         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2207                 opcode_3d_1d = &opcodes_3d_1d[idx];
2208                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2209                         continue;
2210
2211                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2212                         len = 1;
2213
2214                         instr_out(data, hw_offset, 0, "%s\n",
2215                                   opcode_3d_1d->name);
2216                         if (opcode_3d_1d->max_len > 1) {
2217                                 len = (data[0] & 0x0000ffff) + 2;
2218                                 if (len < opcode_3d_1d->min_len ||
2219                                     len > opcode_3d_1d->max_len) {
2220                                         fprintf(out, "Bad count in %s\n",
2221                                                 opcode_3d_1d->name);
2222                                         (*failures)++;
2223                                 }
2224                         }
2225
2226                         for (i = 1; i < len; i++) {
2227                                 if (i >= count)
2228                                         BUFFER_FAIL(count, len,
2229                                                     opcode_3d_1d->name);
2230                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2231                         }
2232
2233                         return len;
2234                 }
2235         }
2236
2237         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2238                   opcode);
2239         (*failures)++;
2240         return 1;
2241 }
2242
2243 static int
2244 decode_3d_primitive(uint32_t *data, uint32_t count, uint32_t hw_offset,
2245                     int *failures)
2246 {
2247         char immediate = (data[0] & (1 << 23)) == 0;
2248         unsigned int len, i, j, ret;
2249         const char *primtype;
2250         int original_s2 = saved_s2;
2251         int original_s4 = saved_s4;
2252
2253         switch ((data[0] >> 18) & 0xf) {
2254         case 0x0:
2255                 primtype = "TRILIST";
2256                 break;
2257         case 0x1:
2258                 primtype = "TRISTRIP";
2259                 break;
2260         case 0x2:
2261                 primtype = "TRISTRIP_REVERSE";
2262                 break;
2263         case 0x3:
2264                 primtype = "TRIFAN";
2265                 break;
2266         case 0x4:
2267                 primtype = "POLYGON";
2268                 break;
2269         case 0x5:
2270                 primtype = "LINELIST";
2271                 break;
2272         case 0x6:
2273                 primtype = "LINESTRIP";
2274                 break;
2275         case 0x7:
2276                 primtype = "RECTLIST";
2277                 break;
2278         case 0x8:
2279                 primtype = "POINTLIST";
2280                 break;
2281         case 0x9:
2282                 primtype = "DIB";
2283                 break;
2284         case 0xa:
2285                 primtype = "CLEAR_RECT";
2286                 saved_s4 = 3 << 6;
2287                 saved_s2 = ~0;
2288                 break;
2289         default:
2290                 primtype = "unknown";
2291                 break;
2292         }
2293
2294         /* XXX: 3DPRIM_DIB not supported */
2295         if (immediate) {
2296                 len = (data[0] & 0x0003ffff) + 2;
2297                 instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n",
2298                           primtype);
2299                 if (count < len)
2300                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2301                 if (!saved_s2_set || !saved_s4_set) {
2302                         fprintf(out, "unknown vertex format\n");
2303                         for (i = 1; i < len; i++) {
2304                                 instr_out(data, hw_offset, i,
2305                                           "           vertex data (%f float)\n",
2306                                           int_as_float(data[i]));
2307                         }
2308                 } else {
2309                         unsigned int vertex = 0;
2310                         for (i = 1; i < len;) {
2311                                 unsigned int tc;
2312
2313 #define VERTEX_OUT(fmt, ...) do {                                       \
2314     if (i < len)                                                        \
2315         instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2316     else                                                                \
2317         fprintf(out, " missing data in V%d\n", vertex);                 \
2318     i++;                                                                \
2319 } while (0)
2320
2321                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2322                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2323                                 switch (saved_s4 >> 6 & 0x7) {
2324                                 case 0x1:
2325                                         VERTEX_OUT("Z = %f",
2326                                                    int_as_float(data[i]));
2327                                         break;
2328                                 case 0x2:
2329                                         VERTEX_OUT("Z = %f",
2330                                                    int_as_float(data[i]));
2331                                         VERTEX_OUT("W = %f",
2332                                                    int_as_float(data[i]));
2333                                         break;
2334                                 case 0x3:
2335                                         break;
2336                                 case 0x4:
2337                                         VERTEX_OUT("W = %f",
2338                                                    int_as_float(data[i]));
2339                                         break;
2340                                 default:
2341                                         fprintf(out, "bad S4 position mask\n");
2342                                 }
2343
2344                                 if (saved_s4 & (1 << 10)) {
2345                                         VERTEX_OUT
2346                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2347                                              "B=0x%02x)", data[i] >> 24,
2348                                              (data[i] >> 16) & 0xff,
2349                                              (data[i] >> 8) & 0xff,
2350                                              data[i] & 0xff);
2351                                 }
2352                                 if (saved_s4 & (1 << 11)) {
2353                                         VERTEX_OUT
2354                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2355                                              "B=0x%02x)", data[i] >> 24,
2356                                              (data[i] >> 16) & 0xff,
2357                                              (data[i] >> 8) & 0xff,
2358                                              data[i] & 0xff);
2359                                 }
2360                                 if (saved_s4 & (1 << 12))
2361                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2362
2363                                 for (tc = 0; tc <= 7; tc++) {
2364                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2365                                         case 0x0:
2366                                                 VERTEX_OUT("T%d.X = %f", tc,
2367                                                            int_as_float(data
2368                                                                         [i]));
2369                                                 VERTEX_OUT("T%d.Y = %f", tc,
2370                                                            int_as_float(data
2371                                                                         [i]));
2372                                                 break;
2373                                         case 0x1:
2374                                                 VERTEX_OUT("T%d.X = %f", tc,
2375                                                            int_as_float(data
2376                                                                         [i]));
2377                                                 VERTEX_OUT("T%d.Y = %f", tc,
2378                                                            int_as_float(data
2379                                                                         [i]));
2380                                                 VERTEX_OUT("T%d.Z = %f", tc,
2381                                                            int_as_float(data
2382                                                                         [i]));
2383                                                 break;
2384                                         case 0x2:
2385                                                 VERTEX_OUT("T%d.X = %f", tc,
2386                                                            int_as_float(data
2387                                                                         [i]));
2388                                                 VERTEX_OUT("T%d.Y = %f", tc,
2389                                                            int_as_float(data
2390                                                                         [i]));
2391                                                 VERTEX_OUT("T%d.Z = %f", tc,
2392                                                            int_as_float(data
2393                                                                         [i]));
2394                                                 VERTEX_OUT("T%d.W = %f", tc,
2395                                                            int_as_float(data
2396                                                                         [i]));
2397                                                 break;
2398                                         case 0x3:
2399                                                 VERTEX_OUT("T%d.X = %f", tc,
2400                                                            int_as_float(data
2401                                                                         [i]));
2402                                                 break;
2403                                         case 0x4:
2404                                                 VERTEX_OUT
2405                                                     ("T%d.XY = 0x%08x half-float",
2406                                                      tc, data[i]);
2407                                                 break;
2408                                         case 0x5:
2409                                                 VERTEX_OUT
2410                                                     ("T%d.XY = 0x%08x half-float",
2411                                                      tc, data[i]);
2412                                                 VERTEX_OUT
2413                                                     ("T%d.ZW = 0x%08x half-float",
2414                                                      tc, data[i]);
2415                                                 break;
2416                                         case 0xf:
2417                                                 break;
2418                                         default:
2419                                                 fprintf(out,
2420                                                         "bad S2.T%d format\n",
2421                                                         tc);
2422                                         }
2423                                 }
2424                                 vertex++;
2425                         }
2426                 }
2427
2428                 ret = len;
2429         } else {
2430                 /* indirect vertices */
2431                 len = data[0] & 0x0000ffff;     /* index count */
2432                 if (data[0] & (1 << 17)) {
2433                         /* random vertex access */
2434                         if (count < (len + 1) / 2 + 1) {
2435                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2436                                             "3DPRIMITIVE random indirect");
2437                         }
2438                         instr_out(data, hw_offset, 0,
2439                                   "3DPRIMITIVE random indirect %s (%d)\n",
2440                                   primtype, len);
2441                         if (len == 0) {
2442                                 /* vertex indices continue until 0xffff is
2443                                  * found
2444                                  */
2445                                 for (i = 1; i < count; i++) {
2446                                         if ((data[i] & 0xffff) == 0xffff) {
2447                                                 instr_out(data, hw_offset, i,
2448                                                           "    indices: (terminator)\n");
2449                                                 ret = i;
2450                                                 goto out;
2451                                         } else if ((data[i] >> 16) == 0xffff) {
2452                                                 instr_out(data, hw_offset, i,
2453                                                           "    indices: 0x%04x, (terminator)\n",
2454                                                           data[i] & 0xffff);
2455                                                 ret = i;
2456                                                 goto out;
2457                                         } else {
2458                                                 instr_out(data, hw_offset, i,
2459                                                           "    indices: 0x%04x, 0x%04x\n",
2460                                                           data[i] & 0xffff,
2461                                                           data[i] >> 16);
2462                                         }
2463                                 }
2464                                 fprintf(out,
2465                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2466                                 (*failures)++;
2467                                 ret = count;
2468                                 goto out;
2469                         } else {
2470                                 /* fixed size vertex index buffer */
2471                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2472                                         if (i * 2 == len - 1) {
2473                                                 instr_out(data, hw_offset, j,
2474                                                           "    indices: 0x%04x\n",
2475                                                           data[j] & 0xffff);
2476                                         } else {
2477                                                 instr_out(data, hw_offset, j,
2478                                                           "    indices: 0x%04x, 0x%04x\n",
2479                                                           data[j] & 0xffff,
2480                                                           data[j] >> 16);
2481                                         }
2482                                 }
2483                         }
2484                         ret = (len + 1) / 2 + 1;
2485                         goto out;
2486                 } else {
2487                         /* sequential vertex access */
2488                         if (count < 2)
2489                                 BUFFER_FAIL(count, 2,
2490                                             "3DPRIMITIVE seq indirect");
2491                         instr_out(data, hw_offset, 0,
2492                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2493                                   "%d\n", primtype, len, data[1] & 0xffff);
2494                         instr_out(data, hw_offset, 1, "           start\n");
2495                         ret = 2;
2496                         goto out;
2497                 }
2498         }
2499
2500 out:
2501         saved_s2 = original_s2;
2502         saved_s4 = original_s4;
2503         return ret;
2504 }
2505
2506 static int
2507 decode_3d(uint32_t *data, uint32_t count, uint32_t hw_offset, uint32_t devid,
2508           int *failures)
2509 {
2510         uint32_t opcode;
2511         unsigned int idx;
2512
2513         struct {
2514                 uint32_t opcode;
2515                 unsigned int min_len;
2516                 unsigned int max_len;
2517                 const char *name;
2518         } opcodes_3d[] = {
2519                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2520                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2521                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2522                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2523                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2524                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2525                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2526                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2527                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2528         }, *opcode_3d;
2529
2530         opcode = (data[0] & 0x1f000000) >> 24;
2531
2532         switch (opcode) {
2533         case 0x1f:
2534                 return decode_3d_primitive(data, count, hw_offset, failures);
2535         case 0x1d:
2536                 return decode_3d_1d(data, count, hw_offset, devid, failures);
2537         case 0x1c:
2538                 return decode_3d_1c(data, count, hw_offset, failures);
2539         }
2540
2541         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2542                 opcode_3d = &opcodes_3d[idx];
2543                 if (opcode == opcode_3d->opcode) {
2544                         unsigned int len = 1, i;
2545
2546                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
2547                         if (opcode_3d->max_len > 1) {
2548                                 len = (data[0] & 0xff) + 2;
2549                                 if (len < opcode_3d->min_len ||
2550                                     len > opcode_3d->max_len) {
2551                                         fprintf(out, "Bad count in %s\n",
2552                                                 opcode_3d->name);
2553                                 }
2554                         }
2555
2556                         for (i = 1; i < len; i++) {
2557                                 if (i >= count)
2558                                         BUFFER_FAIL(count, len,
2559                                                     opcode_3d->name);
2560                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2561                         }
2562                         return len;
2563                 }
2564         }
2565
2566         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2567         (*failures)++;
2568         return 1;
2569 }
2570
2571 static const char *get_965_surfacetype(unsigned int surfacetype)
2572 {
2573         switch (surfacetype) {
2574         case 0:
2575                 return "1D";
2576         case 1:
2577                 return "2D";
2578         case 2:
2579                 return "3D";
2580         case 3:
2581                 return "CUBE";
2582         case 4:
2583                 return "BUFFER";
2584         case 7:
2585                 return "NULL";
2586         default:
2587                 return "unknown";
2588         }
2589 }
2590
2591 static const char *get_965_depthformat(unsigned int depthformat)
2592 {
2593         switch (depthformat) {
2594         case 0:
2595                 return "s8_z24float";
2596         case 1:
2597                 return "z32float";
2598         case 2:
2599                 return "z24s8";
2600         case 5:
2601                 return "z16";
2602         default:
2603                 return "unknown";
2604         }
2605 }
2606
2607 static const char *get_965_element_component(uint32_t data, int component)
2608 {
2609         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2610
2611         switch (component_control) {
2612         case 0:
2613                 return "nostore";
2614         case 1:
2615                 switch (component) {
2616                 case 0:
2617                         return "X";
2618                 case 1:
2619                         return "Y";
2620                 case 2:
2621                         return "Z";
2622                 case 3:
2623                         return "W";
2624                 default:
2625                         return "fail";
2626                 }
2627         case 2:
2628                 return "0.0";
2629         case 3:
2630                 return "1.0";
2631         case 4:
2632                 return "0x1";
2633         case 5:
2634                 return "VID";
2635         default:
2636                 return "fail";
2637         }
2638 }
2639
2640 static const char *get_965_prim_type(uint32_t data)
2641 {
2642         uint32_t primtype = (data >> 10) & 0x1f;
2643
2644         switch (primtype) {
2645         case 0x01:
2646                 return "point list";
2647         case 0x02:
2648                 return "line list";
2649         case 0x03:
2650                 return "line strip";
2651         case 0x04:
2652                 return "tri list";
2653         case 0x05:
2654                 return "tri strip";
2655         case 0x06:
2656                 return "tri fan";
2657         case 0x07:
2658                 return "quad list";
2659         case 0x08:
2660                 return "quad strip";
2661         case 0x09:
2662                 return "line list adj";
2663         case 0x0a:
2664                 return "line strip adj";
2665         case 0x0b:
2666                 return "tri list adj";
2667         case 0x0c:
2668                 return "tri strip adj";
2669         case 0x0d:
2670                 return "tri strip reverse";
2671         case 0x0e:
2672                 return "polygon";
2673         case 0x0f:
2674                 return "rect list";
2675         case 0x10:
2676                 return "line loop";
2677         case 0x11:
2678                 return "point list bf";
2679         case 0x12:
2680                 return "line strip cont";
2681         case 0x13:
2682                 return "line strip bf";
2683         case 0x14:
2684                 return "line strip cont bf";
2685         case 0x15:
2686                 return "tri fan no stipple";
2687         default:
2688                 return "fail";
2689         }
2690 }
2691
2692 static int
2693 i965_decode_urb_fence(uint32_t *data, uint32_t hw_offset, int len, uint32_t count,
2694                       int *failures)
2695 {
2696         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2697
2698         if (len != 3)
2699                 fprintf(out, "Bad count in URB_FENCE\n");
2700         if (count < 3)
2701                 BUFFER_FAIL(count, len, "URB_FENCE");
2702
2703         vs_fence = data[1] & 0x3ff;
2704         gs_fence = (data[1] >> 10) & 0x3ff;
2705         clip_fence = (data[1] >> 20) & 0x3ff;
2706         sf_fence = data[2] & 0x3ff;
2707         vfe_fence = (data[2] >> 10) & 0x3ff;
2708         cs_fence = (data[2] >> 20) & 0x7ff;
2709
2710         instr_out(data, hw_offset, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2711                   (data[0] >> 13) & 1 ? "cs " : "",
2712                   (data[0] >> 12) & 1 ? "vfe " : "",
2713                   (data[0] >> 11) & 1 ? "sf " : "",
2714                   (data[0] >> 10) & 1 ? "clip " : "",
2715                   (data[0] >> 9) & 1 ? "gs " : "",
2716                   (data[0] >> 8) & 1 ? "vs " : "");
2717         instr_out(data, hw_offset, 1,
2718                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2719                   vs_fence, clip_fence, gs_fence);
2720         instr_out(data, hw_offset, 2,
2721                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2722                   sf_fence, vfe_fence, cs_fence);
2723         if (gs_fence < vs_fence)
2724                 fprintf(out, "gs fence < vs fence!\n");
2725         if (clip_fence < gs_fence)
2726                 fprintf(out, "clip fence < gs fence!\n");
2727         if (sf_fence < clip_fence)
2728                 fprintf(out, "sf fence < clip fence!\n");
2729         if (cs_fence < sf_fence)
2730                 fprintf(out, "cs fence < sf fence!\n");
2731
2732         return len;
2733 }
2734
2735 static void
2736 state_base_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2737                const char *name)
2738 {
2739         if (data[index] & 1) {
2740                 instr_out(data, hw_offset, index,
2741                           "%s state base address 0x%08x\n", name,
2742                           data[index] & ~1);
2743         } else {
2744                 instr_out(data, hw_offset, index, "%s state base not updated\n",
2745                           name);
2746         }
2747 }
2748
2749 static void
2750 state_max_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2751               const char *name)
2752 {
2753         if (data[index] & 1) {
2754                 if (data[index] == 1) {
2755                         instr_out(data, hw_offset, index,
2756                                   "%s state upper bound disabled\n", name);
2757                 } else {
2758                         instr_out(data, hw_offset, index,
2759                                   "%s state upper bound 0x%08x\n", name,
2760                                   data[index] & ~1);
2761                 }
2762         } else {
2763                 instr_out(data, hw_offset, index,
2764                           "%s state upper bound not updated\n", name);
2765         }
2766 }
2767
2768 static int
2769 decode_3d_965(uint32_t *data, uint32_t count, uint32_t hw_offset, uint32_t devid,
2770               int *failures)
2771 {
2772         uint32_t opcode;
2773         unsigned int idx, len;
2774         unsigned int i, j, sba_len;
2775         const char *desc1 = NULL;
2776
2777         struct {
2778                 uint32_t opcode;
2779                 int unsigned min_len;
2780                 int unsigned max_len;
2781                 const char *name;
2782         } opcodes_3d[] = {
2783                 { 0x6000, 3, 3, "URB_FENCE" },
2784                 { 0x6001, 2, 2, "CS_URB_STATE" },
2785                 { 0x6002, 2, 2, "CONSTANT_BUFFER" },
2786                 { 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
2787                 { 0x6102, 2, 2, "STATE_SIP" },
2788                 { 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2789                 { 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
2790                 { 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2791                 { 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
2792                 { 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
2793                 { 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
2794                 { 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
2795                 { 0x780a, 3, 3, "3DSTATE_INDEX_BUFFER" },
2796                 { 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
2797                 { 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
2798                 { 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
2799                 { 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
2800                 { 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
2801                 { 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
2802                 { 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
2803                 { 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
2804                 { 0x7909, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2805                 { 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
2806                 { 0x790b, 4, 4, "3DSTATE_GS_SVB_INDEX" },
2807                 { 0x790d, 3, 3, "3DSTATE_MULTISAMPLE" },
2808                 { 0x7910, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2809                 { 0x7b00, 6, 6, "3DPRIMITIVE" },
2810                 { 0x7802, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
2811                 { 0x7805, 3, 3, "3DSTATE_URB" },
2812                 { 0x780d, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
2813                 { 0x780e, 4, 4, "3DSTATE_CC_STATE_POINTERS" },
2814                 { 0x780f, 2, 2, "3DSTATE_SCISSOR_STATE_POINTERS" },
2815                 { 0x7810, 6, 6, "3DSTATE_VS_STATE" },
2816                 { 0x7811, 7, 7, "3DSTATE_GS_STATE" },
2817                 { 0x7812, 4, 4, "3DSTATE_CLIP_STATE" },
2818                 { 0x7813, 20, 20, "3DSTATE_SF_STATE" },
2819                 { 0x7814, 9, 9, "3DSTATE_WM_STATE" },
2820                 { 0x7815, 5, 5, "3DSTATE_CONSTANT_VS_STATE" },
2821                 { 0x7816, 5, 5, "3DSTATE_CONSTANT_GS_STATE" },
2822                 { 0x7817, 5, 5, "3DSTATE_CONSTANT_PS_STATE" },
2823                 { 0x7818, 2, 2, "3DSTATE_SAMPLE_MASK"},
2824         }, *opcode_3d;
2825
2826         len = (data[0] & 0x0000ffff) + 2;
2827
2828         opcode = (data[0] & 0xffff0000) >> 16;
2829         switch (opcode) {
2830         case 0x6000:
2831                 len = (data[0] & 0x000000ff) + 2;
2832                 return i965_decode_urb_fence(data, hw_offset, len, count,
2833                                              failures);
2834         case 0x6001:
2835                 instr_out(data, hw_offset, 0, "CS_URB_STATE\n");
2836                 instr_out(data, hw_offset, 1,
2837                           "entry_size: %d [%d bytes], n_entries: %d\n",
2838                           (data[1] >> 4) & 0x1f,
2839                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
2840                 return len;
2841         case 0x6002:
2842                 len = (data[0] & 0x000000ff) + 2;
2843                 instr_out(data, hw_offset, 0, "CONSTANT_BUFFER: %s\n",
2844                           (data[0] >> 8) & 1 ? "valid" : "invalid");
2845                 instr_out(data, hw_offset, 1,
2846                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
2847                           ((data[1] & 0x3f) + 1) * 64);
2848                 return len;
2849         case 0x6101:
2850                 i = 0;
2851                 instr_out(data, hw_offset, 0, "STATE_BASE_ADDRESS\n");
2852                 i++;
2853
2854                 if (IS_GEN6(devid) || IS_GEN7(devid))
2855                         sba_len = 10;
2856                 else if (IS_GEN5(devid))
2857                         sba_len = 8;
2858                 else
2859                         sba_len = 6;
2860                 if (len != sba_len)
2861                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
2862                 if (len != sba_len)
2863                         BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
2864
2865                 state_base_out(data, hw_offset, i++, "general");
2866                 state_base_out(data, hw_offset, i++, "surface");
2867                 if (IS_GEN6(devid) || IS_GEN7(devid))
2868                         state_base_out(data, hw_offset, i++, "dynamic");
2869                 state_base_out(data, hw_offset, i++, "indirect");
2870                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2871                         state_base_out(data, hw_offset, i++, "instruction");
2872
2873                 state_max_out(data, hw_offset, i++, "general");
2874                 if (IS_GEN6(devid) || IS_GEN7(devid))
2875                         state_max_out(data, hw_offset, i++, "dynamic");
2876                 state_max_out(data, hw_offset, i++, "indirect");
2877                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2878                         state_max_out(data, hw_offset, i++, "instruction");
2879
2880                 return len;
2881         case 0x7800:
2882                 if (len != 7)
2883                         fprintf(out,
2884                                 "Bad count in 3DSTATE_PIPELINED_POINTERS\n");
2885                 if (count < 7)
2886                         BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
2887
2888                 instr_out(data, hw_offset, 0, "3DSTATE_PIPELINED_POINTERS\n");
2889                 instr_out(data, hw_offset, 1, "VS state\n");
2890                 instr_out(data, hw_offset, 2, "GS state\n");
2891                 instr_out(data, hw_offset, 3, "Clip state\n");
2892                 instr_out(data, hw_offset, 4, "SF state\n");
2893                 instr_out(data, hw_offset, 5, "WM state\n");
2894                 instr_out(data, hw_offset, 6, "CC state\n");
2895                 return len;
2896         case 0x7801:
2897                 len = (data[0] & 0x000000ff) + 2;
2898                 if (len != 6 && len != 4)
2899                         fprintf(out,
2900                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
2901                 if (len == 6) {
2902                         if (count < 6)
2903                                 BUFFER_FAIL(count, len,
2904                                             "3DSTATE_BINDING_TABLE_POINTERS");
2905                         instr_out(data, hw_offset, 0,
2906                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
2907                         instr_out(data, hw_offset, 1, "VS binding table\n");
2908                         instr_out(data, hw_offset, 2, "GS binding table\n");
2909                         instr_out(data, hw_offset, 3, "Clip binding table\n");
2910                         instr_out(data, hw_offset, 4, "SF binding table\n");
2911                         instr_out(data, hw_offset, 5, "WM binding table\n");
2912                 } else {
2913                         if (count < 4)
2914                                 BUFFER_FAIL(count, len,
2915                                             "3DSTATE_BINDING_TABLE_POINTERS");
2916
2917                         instr_out(data, hw_offset, 0,
2918                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
2919                                   "GS mod %d, PS mod %d\n",
2920                                   (data[0] & (1 << 8)) != 0,
2921                                   (data[0] & (1 << 9)) != 0,
2922                                   (data[0] & (1 << 12)) != 0);
2923                         instr_out(data, hw_offset, 1, "VS binding table\n");
2924                         instr_out(data, hw_offset, 2, "GS binding table\n");
2925                         instr_out(data, hw_offset, 3, "WM binding table\n");
2926                 }
2927
2928                 return len;
2929         case 0x7802:
2930                 len = (data[0] & 0xff) + 2;
2931                 if (len != 4)
2932                         fprintf(out,
2933                                 "Bad count in 3DSTATE_SAMPLER_STATE_POINTERS\n");
2934                 if (count < 4)
2935                         BUFFER_FAIL(count, len,
2936                                     "3DSTATE_SAMPLER_STATE_POINTERS");
2937                 instr_out(data, hw_offset, 0,
2938                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
2939                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
2940                           (data[0] & (1 << 9)) != 0,
2941                           (data[0] & (1 << 12)) != 0);
2942                 instr_out(data, hw_offset, 1, "VS sampler state\n");
2943                 instr_out(data, hw_offset, 2, "GS sampler state\n");
2944                 instr_out(data, hw_offset, 3, "WM sampler state\n");
2945                 return len;
2946         case 0x7805:
2947                 len = (data[0] & 0xff) + 2;
2948                 if (len != 3)
2949                         fprintf(out, "Bad count in 3DSTATE_URB\n");
2950                 if (count < 3)
2951                         BUFFER_FAIL(count, len, "3DSTATE_URB");
2952                 instr_out(data, hw_offset, 0, "3DSTATE_URB\n");
2953                 instr_out(data, hw_offset, 1,
2954                           "VS entries %d, alloc size %d (1024bit row)\n",
2955                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
2956                 instr_out(data, hw_offset, 2,
2957                           "GS entries %d, alloc size %d (1024bit row)\n",
2958                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
2959                 return len;
2960
2961         case 0x7808:
2962                 len = (data[0] & 0xff) + 2;
2963                 if ((len - 1) % 4 != 0)
2964                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
2965                 if (count < len)
2966                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_BUFFERS");
2967                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_BUFFERS\n");
2968
2969                 for (i = 1; i < len;) {
2970                         int idx, access;
2971                         if (IS_GEN6(devid)) {
2972                                 idx = 26;
2973                                 access = 20;
2974                         } else {
2975                                 idx = 27;
2976                                 access = 26;
2977                         }
2978                         instr_out(data, hw_offset, i,
2979                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
2980                                   data[i] & (1 << access) ? "random" :
2981                                   "sequential", data[i] & 0x07ff);
2982                         i++;
2983                         instr_out(data, hw_offset, i++, "buffer address\n");
2984                         instr_out(data, hw_offset, i++, "max index\n");
2985                         instr_out(data, hw_offset, i++, "mbz\n");
2986                 }
2987                 return len;
2988
2989         case 0x7809:
2990                 len = (data[0] & 0xff) + 2;
2991                 if ((len + 1) % 2 != 0)
2992                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
2993                 if (count < len)
2994                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_ELEMENTS");
2995                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_ELEMENTS\n");
2996
2997                 for (i = 1; i < len;) {
2998                         instr_out(data, hw_offset, i,
2999                                   "buffer %d: %svalid, type 0x%04x, "
3000                                   "src offset 0x%04x bytes\n",
3001                                   data[i] >> (IS_GEN6(devid) ? 26 : 27),
3002                                   data[i] & (1 << (IS_GEN6(devid) ? 25 : 26)) ?
3003                                   "" : "in", (data[i] >> 16) & 0x1ff,
3004                                   data[i] & 0x07ff);
3005                         i++;
3006                         instr_out(data, hw_offset, i, "(%s, %s, %s, %s), "
3007                                   "dst offset 0x%02x bytes\n",
3008                                   get_965_element_component(data[i], 0),
3009                                   get_965_element_component(data[i], 1),
3010                                   get_965_element_component(data[i], 2),
3011                                   get_965_element_component(data[i], 3),
3012                                   (data[i] & 0xff) * 4);
3013                         i++;
3014                 }
3015                 return len;
3016
3017         case 0x780d:
3018                 len = (data[0] & 0xff) + 2;
3019                 if (len != 4)
3020                         fprintf(out,
3021                                 "Bad count in 3DSTATE_VIEWPORT_STATE_POINTERS\n");
3022                 if (count < len)
3023                         BUFFER_FAIL(count, len,
3024                                     "3DSTATE_VIEWPORT_STATE_POINTERS");
3025                 instr_out(data, hw_offset, 0,
3026                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3027                 instr_out(data, hw_offset, 1, "clip\n");
3028                 instr_out(data, hw_offset, 2, "sf\n");
3029                 instr_out(data, hw_offset, 3, "cc\n");
3030                 return len;
3031
3032         case 0x780a:
3033                 len = (data[0] & 0xff) + 2;
3034                 if (len != 3)
3035                         fprintf(out, "Bad count in 3DSTATE_INDEX_BUFFER\n");
3036                 if (count < len)
3037                         BUFFER_FAIL(count, len, "3DSTATE_INDEX_BUFFER");
3038                 instr_out(data, hw_offset, 0, "3DSTATE_INDEX_BUFFER\n");
3039                 instr_out(data, hw_offset, 1, "beginning buffer address\n");
3040                 instr_out(data, hw_offset, 2, "ending buffer address\n");
3041                 return len;
3042
3043         case 0x780e:
3044                 len = (data[0] & 0xff) + 2;
3045                 if (len != 4)
3046                         fprintf(out,
3047                                 "Bad count in 3DSTATE_CC_STATE_POINTERS\n");
3048                 if (count < 4)
3049                         BUFFER_FAIL(count, len, "3DSTATE_CC_STATE_POINTERS");
3050                 instr_out(data, hw_offset, 0, "3DSTATE_CC_STATE_POINTERS\n");
3051                 instr_out(data, hw_offset, 1, "blend change %d\n", data[1] & 1);
3052                 instr_out(data, hw_offset, 2, "depth stencil change %d\n",
3053                           data[2] & 1);
3054                 instr_out(data, hw_offset, 3, "cc change %d\n", data[3] & 1);
3055                 return len;
3056
3057         case 0x780f:
3058                 len = (data[0] & 0xff) + 2;
3059                 if (len != 2)
3060                         fprintf(out, "Bad count in 3DSTATE_SCISSOR_POINTERS\n");
3061                 if (count < 2)
3062                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_POINTERS");
3063                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_POINTERS\n");
3064                 instr_out(data, hw_offset, 1, "scissor rect offset\n");
3065                 return len;
3066
3067         case 0x7810:
3068                 len = (data[0] & 0xff) + 2;
3069                 if (len != 6)
3070                         fprintf(out, "Bad count in 3DSTATE_VS\n");
3071                 if (count < 6)
3072                         BUFFER_FAIL(count, len, "3DSTATE_VS");
3073                 instr_out(data, hw_offset, 0, "3DSTATE_VS\n");
3074                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3075                 instr_out(data, hw_offset, 2,
3076                           "SPF=%d, VME=%d, Sampler Count %d, "
3077                           "Binding table count %d\n", (data[2] >> 31) & 1,
3078                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3079                           (data[2] >> 18) & 0xff);
3080                 instr_out(data, hw_offset, 3, "scratch offset\n");
3081                 instr_out(data, hw_offset, 4,
3082                           "Dispatch GRF start %d, VUE read length %d, "
3083                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3084                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3085                 instr_out(data, hw_offset, 5,
3086                           "Max Threads %d, Vertex Cache %sable, "
3087                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3088                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3089                           (data[5] & 1) != 0 ? "en" : "dis");
3090                 return len;
3091
3092         case 0x7811:
3093                 len = (data[0] & 0xff) + 2;
3094                 if (len != 7)
3095                         fprintf(out, "Bad count in 3DSTATE_GS\n");
3096                 if (count < 7)
3097                         BUFFER_FAIL(count, len, "3DSTATE_GS");
3098                 instr_out(data, hw_offset, 0, "3DSTATE_GS\n");
3099                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3100                 instr_out(data, hw_offset, 2,
3101                           "SPF=%d, VME=%d, Sampler Count %d, "
3102                           "Binding table count %d\n", (data[2] >> 31) & 1,
3103                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3104                           (data[2] >> 18) & 0xff);
3105                 instr_out(data, hw_offset, 3, "scratch offset\n");
3106                 instr_out(data, hw_offset, 4,
3107                           "Dispatch GRF start %d, VUE read length %d, "
3108                           "VUE read offset %d\n", (data[4] & 0xf),
3109                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3110                 instr_out(data, hw_offset, 5,
3111                           "Max Threads %d, Rendering %sable\n",
3112                           ((data[5] >> 25) & 0x7f) + 1,
3113                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3114                 instr_out(data, hw_offset, 6,
3115                           "Reorder %sable, Discard Adjaceny %sable, "
3116                           "GS %sable\n",
3117                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3118                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3119                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3120                 return len;
3121
3122         case 0x7812:
3123                 len = (data[0] & 0xff) + 2;
3124                 if (len != 4)
3125                         fprintf(out, "Bad count in 3DSTATE_CLIP\n");
3126                 if (count < 4)
3127                         BUFFER_FAIL(count, len, "3DSTATE_CLIP");
3128                 instr_out(data, hw_offset, 0, "3DSTATE_CLIP\n");
3129                 instr_out(data, hw_offset, 1,
3130                           "UserClip distance cull test mask 0x%x\n",
3131                           data[1] & 0xff);
3132                 instr_out(data, hw_offset, 2,
3133                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3134                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3135                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3136                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3137                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3138                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3139                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3140                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3141                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3142                           (data[2] >> 13) & 7,
3143                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3144                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3145                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3146                           (data[2] & 3));
3147                 instr_out(data, hw_offset, 3,
3148                           "Min PointWidth %d, Max PointWidth %d, "
3149                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3150                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3151                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3152                           (data[3] & 0xf));
3153                 return len;
3154
3155         case 0x7813:
3156                 len = (data[0] & 0xff) + 2;
3157                 if (len != 20)
3158                         fprintf(out, "Bad count in 3DSTATE_SF\n");
3159                 if (count < 20)
3160                         BUFFER_FAIL(count, len, "3DSTATE_SF");
3161                 instr_out(data, hw_offset, 0, "3DSTATE_SF\n");
3162                 instr_out(data, hw_offset, 1,
3163                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3164                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3165                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3166                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3167                 instr_out(data, hw_offset, 2,
3168                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3169                           "VP transform %sable, FrontWinding_%s\n",
3170                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3171                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3172                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3173                           (data[2] & 1) != 0 ? "CCW" : "CW");
3174                 instr_out(data, hw_offset, 3,
3175                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3176                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3177                           (data[3] >> 29) & 3,
3178                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3179                           (data[3] >> 8) & 3);
3180                 instr_out(data, hw_offset, 4,
3181                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3182                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3183                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3184                           (data[4] & (1 << 11)) != 0);
3185                 instr_out(data, hw_offset, 5,
3186                           "Global Depth Offset Constant %f\n",
3187                           *(float *)(&data[5]));
3188                 instr_out(data, hw_offset, 6, "Global Depth Offset Scale %f\n",
3189                           *(float *)(&data[6]));
3190                 instr_out(data, hw_offset, 7, "Global Depth Offset Clamp %f\n",
3191                           *(float *)(&data[7]));
3192
3193                 for (i = 0, j = 0; i < 8; i++, j += 2)
3194                         instr_out(data, hw_offset, i + 8,
3195                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3196                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3197                                   j + 1,
3198                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3199                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3200                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3201                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3202                                   (data[8 + i] >> 25) & 3,
3203                                   (data[8 + i] >> 22) & 3,
3204                                   (data[8 + i] >> 16) & 0x1f, j,
3205                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3206                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3207                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3208                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3209                                   (data[8 + i] >> 9) & 3,
3210                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3211                 instr_out(data, hw_offset, 16,
3212                           "Point Sprite TexCoord Enable\n");
3213                 instr_out(data, hw_offset, 17, "Const Interp Enable\n");
3214                 instr_out(data, hw_offset, 18,
3215                           "Attrib 7-0 WrapShortest Enable\n");
3216                 instr_out(data, hw_offset, 19,
3217                           "Attrib 15-8 WrapShortest Enable\n");
3218
3219                 return len;
3220
3221         case 0x7814:
3222                 len = (data[0] & 0xff) + 2;
3223                 if (len != 9)
3224                         fprintf(out, "Bad count in 3DSTATE_WM\n");
3225                 if (count < 9)
3226                         BUFFER_FAIL(count, len, "3DSTATE_WM");
3227                 instr_out(data, hw_offset, 0, "3DSTATE_WM\n");
3228                 instr_out(data, hw_offset, 1, "kernel start pointer 0\n");
3229                 instr_out(data, hw_offset, 2,
3230                           "SPF=%d, VME=%d, Sampler Count %d, "
3231                           "Binding table count %d\n", (data[2] >> 31) & 1,
3232                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3233                           (data[2] >> 18) & 0xff);
3234                 instr_out(data, hw_offset, 3, "scratch offset\n");
3235                 instr_out(data, hw_offset, 4,
3236                           "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
3237                           "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
3238                           (data[4] & (1 << 30)) != 0,
3239                           (data[4] & (1 << 28)) != 0,
3240                           (data[4] & (1 << 27)) != 0, (data[4] >> 16) & 0x7f,
3241                           (data[4] >> 8) & 0x7f, (data[4] & 0x7f));
3242                 instr_out(data, hw_offset, 5,
3243                           "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
3244                           "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, Dispatch32 %d, "
3245                           "Dispatch16 %d, Dispatch8 %d\n",
3246                           ((data[5] >> 25) & 0x7f) + 1,
3247                           (data[5] & (1 << 22)) != 0,
3248                           (data[5] & (1 << 21)) != 0,
3249                           (data[5] & (1 << 20)) != 0,
3250                           (data[5] & (1 << 19)) != 0, (data[5] & (1 << 8)) != 0,
3251                           (data[5] & (1 << 2)) != 0, (data[5] & (1 << 1)) != 0,
3252                           (data[5] & (1 << 0)) != 0);
3253                 instr_out(data, hw_offset, 6,
3254                           "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
3255                           "Barycentric interp mode 0x%x, Point raster rule %d, Multisample mode %d, "
3256                           "Multisample Dispatch mode %d\n",
3257                           (data[6] >> 20) & 0x3f, (data[6] >> 18) & 3,
3258                           (data[6] >> 16) & 3, (data[6] >> 10) & 0x3f,
3259                           (data[6] & (1 << 9)) != 0, (data[6] >> 1) & 3,
3260                           (data[6] & 1));
3261                 instr_out(data, hw_offset, 7, "kernel start pointer 1\n");
3262                 instr_out(data, hw_offset, 8, "kernel start pointer 2\n");
3263
3264                 return len;
3265
3266         case 0x7900:
3267                 if (len != 4)
3268                         fprintf(out,
3269                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
3270                 if (count < 4)
3271                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
3272
3273                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3274                 instr_out(data, hw_offset, 1, "top left: %d,%d\n",
3275                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3276                 instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
3277                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3278                 instr_out(data, hw_offset, 3, "origin: %d,%d\n",
3279                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3280
3281                 return len;
3282
3283         case 0x7905:
3284                 if (len < 5 || len > 7)
3285                         fprintf(out, "Bad count in 3DSTATE_DEPTH_BUFFER\n");
3286                 if (count < len)
3287                         BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
3288
3289                 instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_BUFFER\n");
3290                 if (IS_GEN5(devid) || IS_GEN6(devid))
3291                         instr_out(data, hw_offset, 1,
3292                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
3293                                   get_965_surfacetype(data[1] >> 29),
3294                                   get_965_depthformat((data[1] >> 18) & 0x7),
3295                                   (data[1] & 0x0001ffff) + 1,
3296                                   data[1] & (1 << 27) ? "" : "not ",
3297                                   (data[1] & (1 << 22)) != 0,
3298                                   (data[1] & (1 << 21)) != 0);
3299                 else
3300                         instr_out(data, hw_offset, 1,
3301                                   "%s, %s, pitch = %d bytes, %stiled\n",
3302                                   get_965_surfacetype(data[1] >> 29),
3303                                   get_965_depthformat((data[1] >> 18) & 0x7),
3304                                   (data[1] & 0x0001ffff) + 1,
3305                                   data[1] & (1 << 27) ? "" : "not ");
3306                 instr_out(data, hw_offset, 2, "depth offset\n");
3307                 instr_out(data, hw_offset, 3, "%dx%d\n",
3308                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3309                           ((data[3] & 0xfff80000) >> 19) + 1);
3310                 instr_out(data, hw_offset, 4, "volume depth\n");
3311                 if (len >= 6)
3312                         instr_out(data, hw_offset, 5, "\n");
3313                 if (len >= 7) {
3314                         if (IS_GEN6(devid))
3315                                 instr_out(data, hw_offset, 6, "\n");
3316                         else
3317                                 instr_out(data, hw_offset, 6,
3318                                           "render target view extent\n");
3319                 }
3320
3321                 return len;
3322
3323         case 0x7a00:
3324                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
3325                         unsigned int i;
3326                         len = (data[0] & 0xff) + 2;
3327                         if (len != 4 && len != 5)
3328                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3329                         if (count < len)
3330                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3331
3332                         switch ((data[1] >> 14) & 0x3) {
3333                         case 0:
3334                                 desc1 = "no write";
3335                                 break;
3336                         case 1:
3337                                 desc1 = "qword write";
3338                                 break;
3339                         case 2:
3340                                 desc1 = "PS_DEPTH_COUNT write";
3341                                 break;
3342                         case 3:
3343                                 desc1 = "TIMESTAMP write";
3344                                 break;
3345                         }
3346                         instr_out(data, hw_offset, 0, "PIPE_CONTROL\n");
3347                         instr_out(data, hw_offset, 1,
3348                                   "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3349                                   desc1,
3350                                   data[1] & (1 << 20) ? "cs stall, " : "",
3351                                   data[1] & (1 << 19) ?
3352                                   "global snapshot count reset, " : "",
3353                                   data[1] & (1 << 18) ? "tlb invalidate, " : "",
3354                                   data[1] & (1 << 17) ? "gfdt flush, " : "",
3355                                   data[1] & (1 << 17) ? "media state clear, " :
3356                                   "",
3357                                   data[1] & (1 << 13) ? "depth stall, " : "",
3358                                   data[1] & (1 << 12) ?
3359                                   "render target cache flush, " : "",
3360                                   data[1] & (1 << 11) ?
3361                                   "instruction cache invalidate, " : "",
3362                                   data[1] & (1 << 10) ?
3363                                   "texture cache invalidate, " : "",
3364                                   data[1] & (1 << 9) ?
3365                                   "indirect state invalidate, " : "",
3366                                   data[1] & (1 << 8) ? "notify irq, " : "",
3367                                   data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3368                                   "",
3369                                   data[1] & (1 << 6) ? "protect mem app_id, " :
3370                                   "", data[1] & (1 << 5) ? "DC flush, " : "",
3371                                   data[1] & (1 << 4) ? "vf fetch invalidate, " :
3372                                   "",
3373                                   data[1] & (1 << 3) ?
3374                                   "constant cache invalidate, " : "",
3375                                   data[1] & (1 << 2) ?
3376                                   "state cache invalidate, " : "",
3377                                   data[1] & (1 << 1) ? "stall at scoreboard, " :
3378                                   "",
3379                                   data[1] & (1 << 0) ? "depth cache flush, " :
3380                                   "");
3381                         if (len == 5) {
3382                                 instr_out(data, hw_offset, 2,
3383                                           "destination address\n");
3384                                 instr_out(data, hw_offset, 3,
3385                                           "immediate dword low\n");
3386                                 instr_out(data, hw_offset, 4,
3387                                           "immediate dword high\n");
3388                         } else {
3389                                 for (i = 2; i < len; i++) {
3390                                         instr_out(data, hw_offset, i, "\n");
3391                                 }
3392                         }
3393                         return len;
3394                 } else {
3395                         len = (data[0] & 0xff) + 2;
3396                         if (len != 4)
3397                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3398                         if (count < len)
3399                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3400
3401                         switch ((data[0] >> 14) & 0x3) {
3402                         case 0:
3403                                 desc1 = "no write";
3404                                 break;
3405                         case 1:
3406                                 desc1 = "qword write";
3407                                 break;
3408                         case 2:
3409                                 desc1 = "PS_DEPTH_COUNT write";
3410                                 break;
3411                         case 3:
3412                                 desc1 = "TIMESTAMP write";
3413                                 break;
3414                         }
3415                         instr_out(data, hw_offset, 0,
3416                                   "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3417                                   "%sinst flush\n",
3418                                   desc1,
3419                                   data[0] & (1 << 13) ? "" : "no ",
3420                                   data[0] & (1 << 12) ? "" : "no ",
3421                                   data[0] & (1 << 11) ? "" : "no ");
3422                         instr_out(data, hw_offset, 1, "destination address\n");
3423                         instr_out(data, hw_offset, 2, "immediate dword low\n");
3424                         instr_out(data, hw_offset, 3, "immediate dword high\n");
3425                         return len;
3426                 }
3427         case 0x7b00:
3428                 len = (data[0] & 0xff) + 2;
3429                 if (len != 6)
3430                         fprintf(out, "Bad count in 3DPRIMITIVE\n");
3431                 if (count < len)
3432                         BUFFER_FAIL(count, len, "3DPRIMITIVE");
3433
3434                 instr_out(data, hw_offset, 0,
3435                           "3DPRIMITIVE: %s %s\n",
3436                           get_965_prim_type(data[0]),
3437                           (data[0] & (1 << 15)) ? "random" : "sequential");
3438                 instr_out(data, hw_offset, 1, "vertex count\n");
3439                 instr_out(data, hw_offset, 2, "start vertex\n");
3440                 instr_out(data, hw_offset, 3, "instance count\n");
3441                 instr_out(data, hw_offset, 4, "start instance\n");
3442                 instr_out(data, hw_offset, 5, "index bias\n");
3443                 return len;
3444         }
3445
3446         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3447                 opcode_3d = &opcodes_3d[idx];
3448                 if ((data[0] & 0xffff0000) >> 16 == opcode_3d->opcode) {
3449                         unsigned int i;
3450                         len = 1;
3451
3452                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3453                         if (opcode_3d->max_len > 1) {
3454                                 len = (data[0] & 0xff) + 2;
3455                                 if (len < opcode_3d->min_len ||
3456                                     len > opcode_3d->max_len) {
3457                                         fprintf(out, "Bad count in %s\n",
3458                                                 opcode_3d->name);
3459                                 }
3460                         }
3461
3462                         for (i = 1; i < len; i++) {
3463                                 if (i >= count)
3464                                         BUFFER_FAIL(count, len,
3465                                                     opcode_3d->name);
3466                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3467                         }
3468                         return len;
3469                 }
3470         }
3471
3472         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3473                   opcode);
3474         (*failures)++;
3475         return 1;
3476 }
3477
3478 static int
3479 decode_3d_i830(uint32_t *data, uint32_t count, uint32_t hw_offset, uint32_t devid,
3480                int *failures)
3481 {
3482         unsigned int idx;
3483         uint32_t opcode;
3484
3485         struct {
3486                 uint32_t opcode;
3487                 unsigned int min_len;
3488                 unsigned int max_len;
3489                 const char *name;
3490         } opcodes_3d[] = {
3491                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3492                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3493                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3494                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3495                 { 0x06, 1, 1, "3DSTATE_AA" },
3496                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3497                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3498                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3499                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3500                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3501                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3502                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3503                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3504                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3505                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3506                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3507         }, *opcode_3d;
3508
3509         opcode = (data[0] & 0x1f000000) >> 24;
3510
3511         switch (opcode) {
3512         case 0x1f:
3513                 return decode_3d_primitive(data, count, hw_offset, failures);
3514         case 0x1d:
3515                 return decode_3d_1d(data, count, hw_offset, devid, failures);
3516         case 0x1c:
3517                 return decode_3d_1c(data, count, hw_offset, failures);
3518         }
3519
3520         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3521                 opcode_3d = &opcodes_3d[idx];
3522                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3523                         unsigned int len = 1, i;
3524
3525                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3526                         if (opcode_3d->max_len > 1) {
3527                                 len = (data[0] & 0xff) + 2;
3528                                 if (len < opcode_3d->min_len ||
3529                                     len > opcode_3d->max_len) {
3530                                         fprintf(out, "Bad count in %s\n",
3531                                                 opcode_3d->name);
3532                                 }
3533                         }
3534
3535                         for (i = 1; i < len; i++) {
3536                                 if (i >= count)
3537                                         BUFFER_FAIL(count, len,
3538                                                     opcode_3d->name);
3539                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3540                         }
3541                         return len;
3542                 }
3543         }
3544
3545         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3546                   opcode);
3547         (*failures)++;
3548         return 1;
3549 }
3550
3551 struct drm_intel_decode *
3552 drm_intel_decode_context_alloc(uint32_t devid)
3553 {
3554         struct drm_intel_decode *ctx;
3555
3556         ctx = calloc(1, sizeof(struct drm_intel_decode));
3557         if (!ctx)
3558                 return NULL;
3559
3560         ctx->devid = devid;
3561
3562         return ctx;
3563 }
3564
3565 void
3566 drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3567 {
3568         free(ctx);
3569 }
3570
3571 void
3572 drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3573                                    int dump_past_end)
3574 {
3575         ctx->dump_past_end = !!dump_past_end;
3576 }
3577
3578 void
3579 drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3580                                    void *data, uint32_t hw_offset, int count)
3581 {
3582         ctx->data = data;
3583         ctx->hw_offset = hw_offset;
3584         ctx->count = count;
3585 }
3586
3587 void
3588 drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3589                                uint32_t head, uint32_t tail)
3590 {
3591         ctx->head = head;
3592         ctx->tail = tail;
3593 }
3594
3595 /**
3596  * Decodes an i830-i915 batch buffer, writing the output to stdout.
3597  *
3598  * \param data batch buffer contents
3599  * \param count number of DWORDs to decode in the batch buffer
3600  * \param hw_offset hardware address for the buffer
3601  */
3602 void
3603 drm_intel_decode(struct drm_intel_decode *ctx)
3604 {
3605         int ret;
3606         unsigned int index = 0;
3607         int failures = 0;
3608         uint32_t *data;
3609         uint32_t count, hw_offset;
3610         uint32_t devid;
3611
3612         if (!ctx)
3613                 return;
3614
3615         data = ctx->data;
3616         count = ctx->count;
3617         hw_offset = ctx->hw_offset;
3618         devid = ctx->devid;
3619         head_offset = ctx->head;
3620         tail_offset = ctx->tail;
3621
3622         saved_s2_set = 0;
3623         saved_s4_set = 1;
3624
3625         out = stdout;
3626
3627         while (index < count) {
3628                 switch ((data[index] & 0xe0000000) >> 29) {
3629                 case 0x0:
3630                         ret = decode_mi(data + index, count - index,
3631                                         hw_offset + index * 4, &failures);
3632
3633                         /* If MI_BATCHBUFFER_END happened, then dump
3634                          * the rest of the output in case we some day
3635                          * want it in debugging, but don't decode it
3636                          * since it'll just confuse in the common
3637                          * case.
3638                          */
3639                         if (ret == -1) {
3640                                 if (ctx->dump_past_end) {
3641                                         index++;
3642                                 } else {
3643                                         for (index = index + 1; index < count;
3644                                              index++) {
3645                                                 instr_out(data, hw_offset,
3646                                                           index, "\n");
3647                                         }
3648                                 }
3649                         } else
3650                                 index += ret;
3651                         break;
3652                 case 0x2:
3653                         index += decode_2d(data + index, count - index,
3654                                            hw_offset + index * 4, &failures);
3655                         break;
3656                 case 0x3:
3657                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3658                                 index +=
3659                                     decode_3d_965(data + index, count - index,
3660                                                   hw_offset + index * 4, devid,
3661                                                   &failures);
3662                         } else if (IS_GEN3(devid)) {
3663                                 index += decode_3d(data + index, count - index,
3664                                                    hw_offset + index * 4,
3665                                                    devid, &failures);
3666                         } else {
3667                                 index +=
3668                                     decode_3d_i830(data + index, count - index,
3669                                                    hw_offset + index * 4, devid,
3670                                                    &failures);
3671                         }
3672                         break;
3673                 default:
3674                         instr_out(data, hw_offset, index, "UNKNOWN\n");
3675                         failures++;
3676                         index++;
3677                         break;
3678                 }
3679                 fflush(out);
3680         }
3681 }