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         /** stdio file where the output should land.  Defaults to stdout. */
  37         FILE *out;
  38
  39         /** PCI device ID. */
  40         uint32_t devid;
  41
  42         /** GPU address of the start of the current packet. */
  43         uint32_t hw_offset;
  44         /** CPU virtual address of the start of the current packet. */
  45         uint32_t *data;
  46         /** DWORDs of remaining batchbuffer data starting from the packet. */
  47         uint32_t count;
  48
  49         /** GPU address of the start of the batchbuffer data. */
  50         uint32_t base_hw_offset;
  51         /** CPU Virtual address of the start of the batchbuffer data. */
  52         uint32_t *base_data;
  53         /** Number of DWORDs of batchbuffer data. */
  54         uint32_t base_count;
  55
  56         /** @{
  57          * GPU head and tail pointers, which will be noted in the dump, or ~0.
  58          */
  59         uint32_t head, tail;
  60         /** @} */
  61
  62         /**
  63          * Whether to dump the dwords after MI_BATCHBUFFER_END.
  64          *
  65          * This sometimes provides clues in corrupted batchbuffers,
  66          * and is used by the intel-gpu-tools.
  67          */
  68         bool dump_past_end;
  69 };
  70
  71 static FILE *out;
  72 static uint32_t saved_s2 = 0, saved_s4 = 0;
  73 static char saved_s2_set = 0, saved_s4_set = 0;
  74 static uint32_t head_offset = 0xffffffff;       /* undefined */
  75 static uint32_t tail_offset = 0xffffffff;       /* undefined */
  76
  77 #ifndef ARRAY_SIZE
  78 #define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
  79 #endif
  80
  81 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  82     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  83             (_name), (_count), (_len));                         \
  84     return count;                                               \
  85 } while (0)
  86
  87 static float int_as_float(uint32_t intval)
  88 {
  89         union intfloat {
  90                 uint32_t i;
  91                 float f;
  92         } uval;
  93
  94         uval.i = intval;
  95         return uval.f;
  96 }
  97
  98 static void
  99 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
 100           const char *fmt, ...) __attribute__((format(__printf__, 4, 5)));
 101
 102 static void
 103 instr_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
 104           const char *fmt, ...)
 105 {
 106         va_list va;
 107         const char *parseinfo;
 108         uint32_t offset = hw_offset + index * 4;
 109
 110         if (offset == head_offset)
 111                 parseinfo = "HEAD";
 112         else if (offset == tail_offset)
 113                 parseinfo = "TAIL";
 114         else
 115                 parseinfo = "    ";
 116
 117         fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
 118                 data[index], index == 0 ? "" : "   ");
 119         va_start(va, fmt);
 120         vfprintf(out, fmt, va);
 121         va_end(va);
 122 }
 123
 124 static int
 125 decode_mi(struct drm_intel_decode *ctx)
 126 {
 127         unsigned int opcode, len = -1;
 128         const char *post_sync_op = "";
 129         uint32_t *data = ctx->data;
 130         uint32_t hw_offset = ctx->hw_offset;
 131         uint32_t count = ctx->count;
 132
 133         struct {
 134                 uint32_t opcode;
 135                 int len_mask;
 136                 unsigned int min_len;
 137                 unsigned int max_len;
 138                 const char *name;
 139         } opcodes_mi[] = {
 140                 { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
 141                 { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
 142                 { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
 143                 { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
 144                 { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
 145                 { 0x04, 0, 1, 1, "MI_FLUSH" },
 146                 { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
 147                 { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 148                 { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 149                 { 0x00, 0, 1, 1, "MI_NOOP" },
 150                 { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
 151                 { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
 152                 { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT" },
 153                 { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
 154                 { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
 155                 { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
 156                 { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
 157                 { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT" },
 158                 { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
 159                 { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
 160                 { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
 161         };
 162
 163         /* check instruction length */
 164         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 165              opcode++) {
 166                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 167                         len = 1;
 168                         if (opcodes_mi[opcode].max_len > 1) {
 169                                 len =
 170                                     (data[0] & opcodes_mi[opcode].len_mask) + 2;
 171                                 if (len < opcodes_mi[opcode].min_len
 172                                     || len > opcodes_mi[opcode].max_len) {
 173                                         fprintf(out,
 174                                                 "Bad length (%d) in %s, [%d, %d]\n",
 175                                                 len, opcodes_mi[opcode].name,
 176                                                 opcodes_mi[opcode].min_len,
 177                                                 opcodes_mi[opcode].max_len);
 178                                 }
 179                         }
 180                         break;
 181                 }
 182         }
 183
 184         switch ((data[0] & 0x1f800000) >> 23) {
 185         case 0x0a:
 186                 instr_out(data, hw_offset, 0, "MI_BATCH_BUFFER_END\n");
 187                 return -1;
 188         case 0x16:
 189                 instr_out(data, hw_offset, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
 190                           data[0] & (1 << 22) ? " global gtt," : "",
 191                           data[0] & (1 << 21) ? " update semaphore," : "",
 192                           data[0] & (1 << 20) ? " compare semaphore," : "",
 193                           data[0] & (1 << 18) ? " use compare reg" : "",
 194                           (data[0] & (0x3 << 16)) >> 16);
 195                 instr_out(data, hw_offset, 1, "value\n");
 196                 instr_out(data, hw_offset, 2, "address\n");
 197                 return len;
 198         case 0x21:
 199                 instr_out(data, hw_offset, 0, "MI_STORE_DATA_INDEX%s\n",
 200                           data[0] & (1 << 21) ? " use per-process HWS," : "");
 201                 instr_out(data, hw_offset, 1, "index\n");
 202                 instr_out(data, hw_offset, 2, "dword\n");
 203                 if (len == 4)
 204                         instr_out(data, hw_offset, 3, "upper dword\n");
 205                 return len;
 206         case 0x00:
 207                 if (data[0] & (1 << 22))
 208                         instr_out(data, hw_offset, 0,
 209                                   "MI_NOOP write NOPID reg, val=0x%x\n",
 210                                   data[0] & ((1 << 22) - 1));
 211                 else
 212                         instr_out(data, hw_offset, 0, "MI_NOOP\n");
 213                 return len;
 214         case 0x26:
 215                 switch (data[0] & (0x3 << 14)) {
 216                 case (0 << 14):
 217                         post_sync_op = "no write";
 218                         break;
 219                 case (1 << 14):
 220                         post_sync_op = "write data";
 221                         break;
 222                 case (2 << 14):
 223                         post_sync_op = "reserved";
 224                         break;
 225                 case (3 << 14):
 226                         post_sync_op = "write TIMESTAMP";
 227                         break;
 228                 }
 229                 instr_out(data, hw_offset, 0,
 230                           "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
 231                           data[0] & (1 << 22) ?
 232                           " enable protected mem (BCS-only)," : "",
 233                           data[0] & (1 << 21) ? " store in hws," : "",
 234                           data[0] & (1 << 18) ? " invalidate tlb," : "",
 235                           data[0] & (1 << 17) ? " flush gfdt," : "",
 236                           post_sync_op,
 237                           data[0] & (1 << 8) ? " enable notify interrupt," : "",
 238                           data[0] & (1 << 7) ?
 239                           " invalidate video state (BCS-only)," : "");
 240                 if (data[0] & (1 << 21))
 241                         instr_out(data, hw_offset, 1, "hws index\n");
 242                 else
 243                         instr_out(data, hw_offset, 1, "address\n");
 244                 instr_out(data, hw_offset, 2, "dword\n");
 245                 if (len == 4)
 246                         instr_out(data, hw_offset, 3, "upper dword\n");
 247                 return len;
 248         }
 249
 250         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 251              opcode++) {
 252                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 253                         unsigned int i;
 254
 255                         instr_out(data, hw_offset, 0, "%s\n",
 256                                   opcodes_mi[opcode].name);
 257                         for (i = 1; i < len; i++) {
 258                                 if (i >= count)
 259                                         BUFFER_FAIL(count, len,
 260                                                     opcodes_mi[opcode].name);
 261                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 262                         }
 263
 264                         return len;
 265                 }
 266         }
 267
 268         instr_out(data, hw_offset, 0, "MI UNKNOWN\n");
 269         return 1;
 270 }
 271
 272 static void
 273 decode_2d_br00(struct drm_intel_decode *ctx, const char *cmd)
 274 {
 275         instr_out(ctx->data, ctx->hw_offset, 0,
 276                   "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
 277                   cmd,
 278                   (ctx->data[0] & (1 << 20)) ? "en" : "dis",
 279                   (ctx->data[0] & (1 << 21)) ? "en" : "dis",
 280                   (ctx->data[0] >> 15) & 1,
 281                   (ctx->data[0] >> 11) & 1);
 282 }
 283
 284 static void decode_2d_br01(uint32_t *data, uint32_t count, uint32_t hw_offset)
 285 {
 286         const char *format;
 287         switch ((data[count] >> 24) & 0x3) {
 288         case 0:
 289                 format = "8";
 290                 break;
 291         case 1:
 292                 format = "565";
 293                 break;
 294         case 2:
 295                 format = "1555";
 296                 break;
 297         case 3:
 298                 format = "8888";
 299                 break;
 300         }
 301
 302         instr_out(data, hw_offset, count, "format %s, pitch %d, rop 0x%02x, "
 303                   "clipping %sabled, %s%s \n",
 304                   format,
 305                   (short)(data[count] & 0xffff),
 306                   (data[count] >> 16) & 0xff,
 307                   data[count] & (1 << 30) ? "en" : "dis",
 308                   data[count] & (1 << 31) ? "solid pattern enabled, " : "",
 309                   data[count] & (1 << 31) ?
 310                   "mono pattern transparency enabled, " : "");
 311
 312 }
 313
 314 static int
 315 decode_2d(struct drm_intel_decode *ctx)
 316 {
 317         unsigned int opcode, len;
 318         uint32_t *data = ctx->data;
 319         uint32_t hw_offset = ctx->hw_offset;
 320         uint32_t count = ctx->count;
 321
 322         struct {
 323                 uint32_t opcode;
 324                 unsigned int min_len;
 325                 unsigned int max_len;
 326                 const char *name;
 327         } opcodes_2d[] = {
 328                 { 0x40, 5, 5, "COLOR_BLT" },
 329                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 330                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 331                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 332                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 333                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 334                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 335                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 336                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 337                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 338                 { 0x51, 6, 6, "XY_PAT_BLT" },
 339                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 340                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 341                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 342                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 343                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 344                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 345                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 346                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 347                 { 0x55, 9, 9, "XY_FULL_BLT" },
 348                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 349                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 350                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 351                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 352                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 353         };
 354
 355         switch ((data[0] & 0x1fc00000) >> 22) {
 356         case 0x25:
 357                 instr_out(data, hw_offset, 0,
 358                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 359                           (data[0] >> 12) & 0x8,
 360                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 361
 362                 len = (data[0] & 0x000000ff) + 2;
 363                 if (len != 3)
 364                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 365                 if (count < 3)
 366                         BUFFER_FAIL(count, len, "XY_SCANLINES_BLT");
 367
 368                 instr_out(data, hw_offset, 1, "dest (%d,%d)\n",
 369                           data[1] & 0xffff, data[1] >> 16);
 370                 instr_out(data, hw_offset, 2, "dest (%d,%d)\n",
 371                           data[2] & 0xffff, data[2] >> 16);
 372                 return len;
 373         case 0x01:
 374                 decode_2d_br00(ctx, "XY_SETUP_BLT");
 375
 376                 len = (data[0] & 0x000000ff) + 2;
 377                 if (len != 8)
 378                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 379                 if (count < 8)
 380                         BUFFER_FAIL(count, len, "XY_SETUP_BLT");
 381
 382                 decode_2d_br01(data, 1, hw_offset);
 383                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 384                           data[2] & 0xffff, data[2] >> 16);
 385                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 386                           data[3] & 0xffff, data[3] >> 16);
 387                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 388                           data[4]);
 389                 instr_out(data, hw_offset, 5, "setup background color\n");
 390                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 391                 instr_out(data, hw_offset, 7, "color pattern offset\n");
 392                 return len;
 393         case 0x03:
 394                 decode_2d_br00(ctx, "XY_SETUP_CLIP_BLT");
 395
 396                 len = (data[0] & 0x000000ff) + 2;
 397                 if (len != 3)
 398                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 399                 if (count < 3)
 400                         BUFFER_FAIL(count, len, "XY_SETUP_CLIP_BLT");
 401
 402                 instr_out(data, hw_offset, 1, "cliprect (%d,%d)\n",
 403                           data[1] & 0xffff, data[2] >> 16);
 404                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 405                           data[2] & 0xffff, data[3] >> 16);
 406                 return len;
 407         case 0x11:
 408                 decode_2d_br00(ctx, "XY_SETUP_MONO_PATTERN_SL_BLT");
 409
 410                 len = (data[0] & 0x000000ff) + 2;
 411                 if (len != 9)
 412                         fprintf(out,
 413                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 414                 if (count < 9)
 415                         BUFFER_FAIL(count, len, "XY_SETUP_MONO_PATTERN_SL_BLT");
 416
 417                 decode_2d_br01(data, 1, hw_offset);
 418                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 419                           data[2] & 0xffff, data[2] >> 16);
 420                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 421                           data[3] & 0xffff, data[3] >> 16);
 422                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 423                           data[4]);
 424                 instr_out(data, hw_offset, 5, "setup background color\n");
 425                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 426                 instr_out(data, hw_offset, 7, "mono pattern dw0\n");
 427                 instr_out(data, hw_offset, 8, "mono pattern dw1\n");
 428                 return len;
 429         case 0x50:
 430                 decode_2d_br00(ctx, "XY_COLOR_BLT");
 431
 432                 len = (data[0] & 0x000000ff) + 2;
 433                 if (len != 6)
 434                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 435                 if (count < 6)
 436                         BUFFER_FAIL(count, len, "XY_COLOR_BLT");
 437
 438                 decode_2d_br01(data, 1, hw_offset);
 439                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
 440                           data[2] & 0xffff, data[2] >> 16);
 441                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
 442                           data[3] & 0xffff, data[3] >> 16);
 443                 instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
 444                 instr_out(data, hw_offset, 5, "color\n");
 445                 return len;
 446         case 0x53:
 447                 decode_2d_br00(ctx, "XY_SRC_COPY_BLT");
 448
 449                 len = (data[0] & 0x000000ff) + 2;
 450                 if (len != 8)
 451                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 452                 if (count < 8)
 453                         BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
 454
 455                 decode_2d_br01(data, 1, hw_offset);
 456                 instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
 457                           data[2] & 0xffff, data[2] >> 16);
 458                 instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
 459                           data[3] & 0xffff, data[3] >> 16);
 460                 instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
 461                 instr_out(data, hw_offset, 5, "src (%d,%d)\n",
 462                           data[5] & 0xffff, data[5] >> 16);
 463                 instr_out(data, hw_offset, 6, "src pitch %d\n",
 464                           (short)(data[6] & 0xffff));
 465                 instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
 466                 return len;
 467         }
 468
 469         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 470              opcode++) {
 471                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 472                         unsigned int i;
 473
 474                         len = 1;
 475                         instr_out(data, hw_offset, 0, "%s\n",
 476                                   opcodes_2d[opcode].name);
 477                         if (opcodes_2d[opcode].max_len > 1) {
 478                                 len = (data[0] & 0x000000ff) + 2;
 479                                 if (len < opcodes_2d[opcode].min_len ||
 480                                     len > opcodes_2d[opcode].max_len) {
 481                                         fprintf(out, "Bad count in %s\n",
 482                                                 opcodes_2d[opcode].name);
 483                                 }
 484                         }
 485
 486                         for (i = 1; i < len; i++) {
 487                                 if (i >= count)
 488                                         BUFFER_FAIL(count, len,
 489                                                     opcodes_2d[opcode].name);
 490                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 491                         }
 492
 493                         return len;
 494                 }
 495         }
 496
 497         instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
 498         return 1;
 499 }
 500
 501 static int
 502 decode_3d_1c(struct drm_intel_decode *ctx)
 503 {
 504         uint32_t *data = ctx->data;
 505         uint32_t hw_offset = ctx->hw_offset;
 506         uint32_t opcode;
 507
 508         opcode = (data[0] & 0x00f80000) >> 19;
 509
 510         switch (opcode) {
 511         case 0x11:
 512                 instr_out(data, hw_offset, 0,
 513                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 514                 return 1;
 515         case 0x10:
 516                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 517                           data[0] & 1 ? "enabled" : "disabled");
 518                 return 1;
 519         case 0x01:
 520                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 521                 return 1;
 522         case 0x0a:
 523                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
 524                 return 1;
 525         case 0x05:
 526                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 527                 return 1;
 528         }
 529
 530         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 531                   opcode);
 532         return 1;
 533 }
 534
 535 /** Sets the string dstname to describe the destination of the PS instruction */
 536 static void
 537 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 538 {
 539         uint32_t a0 = data[i];
 540         int dst_nr = (a0 >> 14) & 0xf;
 541         char dstmask[8];
 542         const char *sat;
 543
 544         if (do_mask) {
 545                 if (((a0 >> 10) & 0xf) == 0xf) {
 546                         dstmask[0] = 0;
 547                 } else {
 548                         int dstmask_index = 0;
 549
 550                         dstmask[dstmask_index++] = '.';
 551                         if (a0 & (1 << 10))
 552                                 dstmask[dstmask_index++] = 'x';
 553                         if (a0 & (1 << 11))
 554                                 dstmask[dstmask_index++] = 'y';
 555                         if (a0 & (1 << 12))
 556                                 dstmask[dstmask_index++] = 'z';
 557                         if (a0 & (1 << 13))
 558                                 dstmask[dstmask_index++] = 'w';
 559                         dstmask[dstmask_index++] = 0;
 560                 }
 561
 562                 if (a0 & (1 << 22))
 563                         sat = ".sat";
 564                 else
 565                         sat = "";
 566         } else {
 567                 dstmask[0] = 0;
 568                 sat = "";
 569         }
 570
 571         switch ((a0 >> 19) & 0x7) {
 572         case 0:
 573                 if (dst_nr > 15)
 574                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 575                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 576                 break;
 577         case 4:
 578                 if (dst_nr > 0)
 579                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 580                 sprintf(dstname, "oC%s%s", dstmask, sat);
 581                 break;
 582         case 5:
 583                 if (dst_nr > 0)
 584                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 585                 sprintf(dstname, "oD%s%s", dstmask, sat);
 586                 break;
 587         case 6:
 588                 if (dst_nr > 3)
 589                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 590                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 591                 break;
 592         default:
 593                 sprintf(dstname, "RESERVED");
 594                 break;
 595         }
 596 }
 597
 598 static const char *
 599 i915_get_channel_swizzle(uint32_t select)
 600 {
 601         switch (select & 0x7) {
 602         case 0:
 603                 return (select & 8) ? "-x" : "x";
 604         case 1:
 605                 return (select & 8) ? "-y" : "y";
 606         case 2:
 607                 return (select & 8) ? "-z" : "z";
 608         case 3:
 609                 return (select & 8) ? "-w" : "w";
 610         case 4:
 611                 return (select & 8) ? "-0" : "0";
 612         case 5:
 613                 return (select & 8) ? "-1" : "1";
 614         default:
 615                 return (select & 8) ? "-bad" : "bad";
 616         }
 617 }
 618
 619 static void
 620 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 621 {
 622         switch (src_type) {
 623         case 0:
 624                 sprintf(name, "R%d", src_nr);
 625                 if (src_nr > 15)
 626                         fprintf(out, "bad src reg %s\n", name);
 627                 break;
 628         case 1:
 629                 if (src_nr < 8)
 630                         sprintf(name, "T%d", src_nr);
 631                 else if (src_nr == 8)
 632                         sprintf(name, "DIFFUSE");
 633                 else if (src_nr == 9)
 634                         sprintf(name, "SPECULAR");
 635                 else if (src_nr == 10)
 636                         sprintf(name, "FOG");
 637                 else {
 638                         fprintf(out, "bad src reg T%d\n", src_nr);
 639                         sprintf(name, "RESERVED");
 640                 }
 641                 break;
 642         case 2:
 643                 sprintf(name, "C%d", src_nr);
 644                 if (src_nr > 31)
 645                         fprintf(out, "bad src reg %s\n", name);
 646                 break;
 647         case 4:
 648                 sprintf(name, "oC");
 649                 if (src_nr > 0)
 650                         fprintf(out, "bad src reg oC%d\n", src_nr);
 651                 break;
 652         case 5:
 653                 sprintf(name, "oD");
 654                 if (src_nr > 0)
 655                         fprintf(out, "bad src reg oD%d\n", src_nr);
 656                 break;
 657         case 6:
 658                 sprintf(name, "U%d", src_nr);
 659                 if (src_nr > 3)
 660                         fprintf(out, "bad src reg %s\n", name);
 661                 break;
 662         default:
 663                 fprintf(out, "bad src reg type %d\n", src_type);
 664                 sprintf(name, "RESERVED");
 665                 break;
 666         }
 667 }
 668
 669 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 670 {
 671         uint32_t a0 = data[i];
 672         uint32_t a1 = data[i + 1];
 673         int src_nr = (a0 >> 2) & 0x1f;
 674         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 675         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 676         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 677         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 678         char swizzle[100];
 679
 680         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 681         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 682                 swizzle_w);
 683         if (strcmp(swizzle, ".xyzw") != 0)
 684                 strcat(srcname, swizzle);
 685 }
 686
 687 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 688 {
 689         uint32_t a1 = data[i + 1];
 690         uint32_t a2 = data[i + 2];
 691         int src_nr = (a1 >> 8) & 0x1f;
 692         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 693         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 694         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 695         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 696         char swizzle[100];
 697
 698         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 699         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 700                 swizzle_w);
 701         if (strcmp(swizzle, ".xyzw") != 0)
 702                 strcat(srcname, swizzle);
 703 }
 704
 705 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 706 {
 707         uint32_t a2 = data[i + 2];
 708         int src_nr = (a2 >> 16) & 0x1f;
 709         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 710         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 711         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 712         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 713         char swizzle[100];
 714
 715         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 716         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 717                 swizzle_w);
 718         if (strcmp(swizzle, ".xyzw") != 0)
 719                 strcat(srcname, swizzle);
 720 }
 721
 722 static void
 723 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 724 {
 725         switch (src_type) {
 726         case 0:
 727                 sprintf(name, "R%d", src_nr);
 728                 if (src_nr > 15)
 729                         fprintf(out, "bad src reg %s\n", name);
 730                 break;
 731         case 1:
 732                 if (src_nr < 8)
 733                         sprintf(name, "T%d", src_nr);
 734                 else if (src_nr == 8)
 735                         sprintf(name, "DIFFUSE");
 736                 else if (src_nr == 9)
 737                         sprintf(name, "SPECULAR");
 738                 else if (src_nr == 10)
 739                         sprintf(name, "FOG");
 740                 else {
 741                         fprintf(out, "bad src reg T%d\n", src_nr);
 742                         sprintf(name, "RESERVED");
 743                 }
 744                 break;
 745         case 4:
 746                 sprintf(name, "oC");
 747                 if (src_nr > 0)
 748                         fprintf(out, "bad src reg oC%d\n", src_nr);
 749                 break;
 750         case 5:
 751                 sprintf(name, "oD");
 752                 if (src_nr > 0)
 753                         fprintf(out, "bad src reg oD%d\n", src_nr);
 754                 break;
 755         default:
 756                 fprintf(out, "bad src reg type %d\n", src_type);
 757                 sprintf(name, "RESERVED");
 758                 break;
 759         }
 760 }
 761
 762 static void
 763 i915_decode_alu1(uint32_t *data, uint32_t hw_offset,
 764                  int i, char *instr_prefix, const char *op_name)
 765 {
 766         char dst[100], src0[100];
 767
 768         i915_get_instruction_dst(data, i, dst, 1);
 769         i915_get_instruction_src0(data, i, src0);
 770
 771         instr_out(data, hw_offset, i++, "%s: %s %s, %s\n", instr_prefix,
 772                   op_name, dst, src0);
 773         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 774         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 775 }
 776
 777 static void
 778 i915_decode_alu2(uint32_t *data, uint32_t hw_offset,
 779                  int i, char *instr_prefix, const char *op_name)
 780 {
 781         char dst[100], src0[100], src1[100];
 782
 783         i915_get_instruction_dst(data, i, dst, 1);
 784         i915_get_instruction_src0(data, i, src0);
 785         i915_get_instruction_src1(data, i, src1);
 786
 787         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 788                   op_name, dst, src0, src1);
 789         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 790         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 791 }
 792
 793 static void
 794 i915_decode_alu3(uint32_t *data, uint32_t hw_offset,
 795                  int i, char *instr_prefix, const char *op_name)
 796 {
 797         char dst[100], src0[100], src1[100], src2[100];
 798
 799         i915_get_instruction_dst(data, i, dst, 1);
 800         i915_get_instruction_src0(data, i, src0);
 801         i915_get_instruction_src1(data, i, src1);
 802         i915_get_instruction_src2(data, i, src2);
 803
 804         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 805                   op_name, dst, src0, src1, src2);
 806         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 807         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 808 }
 809
 810 static void
 811 i915_decode_tex(uint32_t *data, uint32_t hw_offset, int i,
 812                 const char *instr_prefix, const char *tex_name)
 813 {
 814         uint32_t t0 = data[i];
 815         uint32_t t1 = data[i + 1];
 816         char dst_name[100];
 817         char addr_name[100];
 818         int sampler_nr;
 819
 820         i915_get_instruction_dst(data, i, dst_name, 0);
 821         i915_get_instruction_addr((t1 >> 24) & 0x7,
 822                                   (t1 >> 17) & 0xf, addr_name);
 823         sampler_nr = t0 & 0xf;
 824
 825         instr_out(data, hw_offset, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 826                   tex_name, dst_name, sampler_nr, addr_name);
 827         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 828         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 829 }
 830
 831 static void
 832 i915_decode_dcl(uint32_t *data, uint32_t hw_offset, int i, char *instr_prefix)
 833 {
 834         uint32_t d0 = data[i];
 835         const char *sampletype;
 836         int dcl_nr = (d0 >> 14) & 0xf;
 837         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 838         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 839         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 840         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 841         char dcl_mask[10];
 842
 843         switch ((d0 >> 19) & 0x3) {
 844         case 1:
 845                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 846                 if (strcmp(dcl_mask, ".") == 0)
 847                         fprintf(out, "bad (empty) dcl mask\n");
 848
 849                 if (dcl_nr > 10)
 850                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 851                 if (dcl_nr < 8) {
 852                         if (strcmp(dcl_mask, ".x") != 0 &&
 853                             strcmp(dcl_mask, ".xy") != 0 &&
 854                             strcmp(dcl_mask, ".xz") != 0 &&
 855                             strcmp(dcl_mask, ".w") != 0 &&
 856                             strcmp(dcl_mask, ".xyzw") != 0) {
 857                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 858                                         dcl_mask);
 859                         }
 860                         instr_out(data, hw_offset, i++, "%s: DCL T%d%s\n",
 861                                   instr_prefix, dcl_nr, dcl_mask);
 862                 } else {
 863                         if (strcmp(dcl_mask, ".xz") == 0)
 864                                 fprintf(out, "errataed bad dcl mask %s\n",
 865                                         dcl_mask);
 866                         else if (strcmp(dcl_mask, ".xw") == 0)
 867                                 fprintf(out, "errataed bad dcl mask %s\n",
 868                                         dcl_mask);
 869                         else if (strcmp(dcl_mask, ".xzw") == 0)
 870                                 fprintf(out, "errataed bad dcl mask %s\n",
 871                                         dcl_mask);
 872
 873                         if (dcl_nr == 8) {
 874                                 instr_out(data, hw_offset, i++,
 875                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 876                                           dcl_mask);
 877                         } else if (dcl_nr == 9) {
 878                                 instr_out(data, hw_offset, i++,
 879                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 880                                           dcl_mask);
 881                         } else if (dcl_nr == 10) {
 882                                 instr_out(data, hw_offset, i++,
 883                                           "%s: DCL FOG%s\n", instr_prefix,
 884                                           dcl_mask);
 885                         }
 886                 }
 887                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 888                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 889                 break;
 890         case 3:
 891                 switch ((d0 >> 22) & 0x3) {
 892                 case 0:
 893                         sampletype = "2D";
 894                         break;
 895                 case 1:
 896                         sampletype = "CUBE";
 897                         break;
 898                 case 2:
 899                         sampletype = "3D";
 900                         break;
 901                 default:
 902                         sampletype = "RESERVED";
 903                         break;
 904                 }
 905                 if (dcl_nr > 15)
 906                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 907                 instr_out(data, hw_offset, i++, "%s: DCL S%d %s\n",
 908                           instr_prefix, dcl_nr, sampletype);
 909                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 910                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 911                 break;
 912         default:
 913                 instr_out(data, hw_offset, i++, "%s: DCL RESERVED%d\n",
 914                           instr_prefix, dcl_nr);
 915                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 916                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 917         }
 918 }
 919
 920 static void
 921 i915_decode_instruction(uint32_t *data, uint32_t hw_offset,
 922                         int i, char *instr_prefix)
 923 {
 924         switch ((data[i] >> 24) & 0x1f) {
 925         case 0x0:
 926                 instr_out(data, hw_offset, i++, "%s: NOP\n", instr_prefix);
 927                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 928                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 929                 break;
 930         case 0x01:
 931                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "ADD");
 932                 break;
 933         case 0x02:
 934                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOV");
 935                 break;
 936         case 0x03:
 937                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MUL");
 938                 break;
 939         case 0x04:
 940                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "MAD");
 941                 break;
 942         case 0x05:
 943                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "DP2ADD");
 944                 break;
 945         case 0x06:
 946                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP3");
 947                 break;
 948         case 0x07:
 949                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP4");
 950                 break;
 951         case 0x08:
 952                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FRC");
 953                 break;
 954         case 0x09:
 955                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RCP");
 956                 break;
 957         case 0x0a:
 958                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RSQ");
 959                 break;
 960         case 0x0b:
 961                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "EXP");
 962                 break;
 963         case 0x0c:
 964                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "LOG");
 965                 break;
 966         case 0x0d:
 967                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "CMP");
 968                 break;
 969         case 0x0e:
 970                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MIN");
 971                 break;
 972         case 0x0f:
 973                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MAX");
 974                 break;
 975         case 0x10:
 976                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FLR");
 977                 break;
 978         case 0x11:
 979                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOD");
 980                 break;
 981         case 0x12:
 982                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "TRC");
 983                 break;
 984         case 0x13:
 985                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SGE");
 986                 break;
 987         case 0x14:
 988                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SLT");
 989                 break;
 990         case 0x15:
 991                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLD");
 992                 break;
 993         case 0x16:
 994                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDP");
 995                 break;
 996         case 0x17:
 997                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDB");
 998                 break;
 999         case 0x19:
1000                 i915_decode_dcl(data, hw_offset, i, instr_prefix);
1001                 break;
1002         default:
1003                 instr_out(data, hw_offset, i++, "%s: unknown\n", instr_prefix);
1004                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
1005                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
1006                 break;
1007         }
1008 }
1009
1010 static const char *
1011 decode_compare_func(uint32_t op)
1012 {
1013         switch (op & 0x7) {
1014         case 0:
1015                 return "always";
1016         case 1:
1017                 return "never";
1018         case 2:
1019                 return "less";
1020         case 3:
1021                 return "equal";
1022         case 4:
1023                 return "lequal";
1024         case 5:
1025                 return "greater";
1026         case 6:
1027                 return "notequal";
1028         case 7:
1029                 return "gequal";
1030         }
1031         return "";
1032 }
1033
1034 static const char *
1035 decode_stencil_op(uint32_t op)
1036 {
1037         switch (op & 0x7) {
1038         case 0:
1039                 return "keep";
1040         case 1:
1041                 return "zero";
1042         case 2:
1043                 return "replace";
1044         case 3:
1045                 return "incr_sat";
1046         case 4:
1047                 return "decr_sat";
1048         case 5:
1049                 return "greater";
1050         case 6:
1051                 return "incr";
1052         case 7:
1053                 return "decr";
1054         }
1055         return "";
1056 }
1057
1058 #if 0
1059 static const char *
1060 decode_logic_op(uint32_t op)
1061 {
1062         switch (op & 0xf) {
1063         case 0:
1064                 return "clear";
1065         case 1:
1066                 return "nor";
1067         case 2:
1068                 return "and_inv";
1069         case 3:
1070                 return "copy_inv";
1071         case 4:
1072                 return "and_rvrse";
1073         case 5:
1074                 return "inv";
1075         case 6:
1076                 return "xor";
1077         case 7:
1078                 return "nand";
1079         case 8:
1080                 return "and";
1081         case 9:
1082                 return "equiv";
1083         case 10:
1084                 return "noop";
1085         case 11:
1086                 return "or_inv";
1087         case 12:
1088                 return "copy";
1089         case 13:
1090                 return "or_rvrse";
1091         case 14:
1092                 return "or";
1093         case 15:
1094                 return "set";
1095         }
1096         return "";
1097 }
1098 #endif
1099
1100 static const char *
1101 decode_blend_fact(uint32_t op)
1102 {
1103         switch (op & 0xf) {
1104         case 1:
1105                 return "zero";
1106         case 2:
1107                 return "one";
1108         case 3:
1109                 return "src_colr";
1110         case 4:
1111                 return "inv_src_colr";
1112         case 5:
1113                 return "src_alpha";
1114         case 6:
1115                 return "inv_src_alpha";
1116         case 7:
1117                 return "dst_alpha";
1118         case 8:
1119                 return "inv_dst_alpha";
1120         case 9:
1121                 return "dst_colr";
1122         case 10:
1123                 return "inv_dst_colr";
1124         case 11:
1125                 return "src_alpha_sat";
1126         case 12:
1127                 return "cnst_colr";
1128         case 13:
1129                 return "inv_cnst_colr";
1130         case 14:
1131                 return "cnst_alpha";
1132         case 15:
1133                 return "inv_const_alpha";
1134         }
1135         return "";
1136 }
1137
1138 static const char *
1139 decode_tex_coord_mode(uint32_t mode)
1140 {
1141         switch (mode & 0x7) {
1142         case 0:
1143                 return "wrap";
1144         case 1:
1145                 return "mirror";
1146         case 2:
1147                 return "clamp_edge";
1148         case 3:
1149                 return "cube";
1150         case 4:
1151                 return "clamp_border";
1152         case 5:
1153                 return "mirror_once";
1154         }
1155         return "";
1156 }
1157
1158 static const char *
1159 decode_sample_filter(uint32_t mode)
1160 {
1161         switch (mode & 0x7) {
1162         case 0:
1163                 return "nearest";
1164         case 1:
1165                 return "linear";
1166         case 2:
1167                 return "anisotropic";
1168         case 3:
1169                 return "4x4_1";
1170         case 4:
1171                 return "4x4_2";
1172         case 5:
1173                 return "4x4_flat";
1174         case 6:
1175                 return "6x5_mono";
1176         }
1177         return "";
1178 }
1179
1180 static int
1181 decode_3d_1d(struct drm_intel_decode *ctx)
1182 {
1183         unsigned int len, i, c, idx, word, map, sampler, instr;
1184         const char *format, *zformat, *type;
1185         uint32_t opcode;
1186         uint32_t hw_offset = ctx->hw_offset;
1187         uint32_t *data = ctx->data;
1188         uint32_t count = ctx->count;
1189         uint32_t devid = ctx->devid;
1190
1191         struct {
1192                 uint32_t opcode;
1193                 int i830_only;
1194                 unsigned int min_len;
1195                 unsigned int max_len;
1196                 const char *name;
1197         } opcodes_3d_1d[] = {
1198                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1199                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1200                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1201                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1202                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1203                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1204                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1205                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1206                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1207                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1208                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1209                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1210                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1211                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1212                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1213                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1214         }, *opcode_3d_1d;
1215
1216         opcode = (data[0] & 0x00ff0000) >> 16;
1217
1218         switch (opcode) {
1219         case 0x07:
1220                 /* This instruction is unusual.  A 0 length means just
1221                  * 1 DWORD instead of 2.  The 0 length is specified in
1222                  * one place to be unsupported, but stated to be
1223                  * required in another, and 0 length LOAD_INDIRECTs
1224                  * appear to cause no harm at least.
1225                  */
1226                 instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
1227                 len = (data[0] & 0x000000ff) + 1;
1228                 i = 1;
1229                 if (data[0] & (0x01 << 8)) {
1230                         if (i + 2 >= count)
1231                                 BUFFER_FAIL(count, len,
1232                                             "3DSTATE_LOAD_INDIRECT");
1233                         instr_out(data, hw_offset, i++, "SIS.0\n");
1234                         instr_out(data, hw_offset, i++, "SIS.1\n");
1235                 }
1236                 if (data[0] & (0x02 << 8)) {
1237                         if (i + 1 >= count)
1238                                 BUFFER_FAIL(count, len,
1239                                             "3DSTATE_LOAD_INDIRECT");
1240                         instr_out(data, hw_offset, i++, "DIS.0\n");
1241                 }
1242                 if (data[0] & (0x04 << 8)) {
1243                         if (i + 2 >= count)
1244                                 BUFFER_FAIL(count, len,
1245                                             "3DSTATE_LOAD_INDIRECT");
1246                         instr_out(data, hw_offset, i++, "SSB.0\n");
1247                         instr_out(data, hw_offset, i++, "SSB.1\n");
1248                 }
1249                 if (data[0] & (0x08 << 8)) {
1250                         if (i + 2 >= count)
1251                                 BUFFER_FAIL(count, len,
1252                                             "3DSTATE_LOAD_INDIRECT");
1253                         instr_out(data, hw_offset, i++, "MSB.0\n");
1254                         instr_out(data, hw_offset, i++, "MSB.1\n");
1255                 }
1256                 if (data[0] & (0x10 << 8)) {
1257                         if (i + 2 >= count)
1258                                 BUFFER_FAIL(count, len,
1259                                             "3DSTATE_LOAD_INDIRECT");
1260                         instr_out(data, hw_offset, i++, "PSP.0\n");
1261                         instr_out(data, hw_offset, i++, "PSP.1\n");
1262                 }
1263                 if (data[0] & (0x20 << 8)) {
1264                         if (i + 2 >= count)
1265                                 BUFFER_FAIL(count, len,
1266                                             "3DSTATE_LOAD_INDIRECT");
1267                         instr_out(data, hw_offset, i++, "PSC.0\n");
1268                         instr_out(data, hw_offset, i++, "PSC.1\n");
1269                 }
1270                 if (len != i) {
1271                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1272                         return len;
1273                 }
1274                 return len;
1275         case 0x04:
1276                 instr_out(data, hw_offset, 0,
1277                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1278                 len = (data[0] & 0x0000000f) + 2;
1279                 i = 1;
1280                 for (word = 0; word <= 8; word++) {
1281                         if (data[0] & (1 << (4 + word))) {
1282                                 if (i >= count)
1283                                         BUFFER_FAIL(count, len,
1284                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_1");
1285
1286                                 /* save vertex state for decode */
1287                                 if (!IS_GEN2(devid)) {
1288                                         int tex_num;
1289
1290                                         if (word == 2) {
1291                                                 saved_s2_set = 1;
1292                                                 saved_s2 = data[i];
1293                                         }
1294                                         if (word == 4) {
1295                                                 saved_s4_set = 1;
1296                                                 saved_s4 = data[i];
1297                                         }
1298
1299                                         switch (word) {
1300                                         case 0:
1301                                                 instr_out(data, hw_offset, i,
1302                                                           "S0: vbo offset: 0x%08x%s\n",
1303                                                           data[i] & (~1),
1304                                                           data[i] & 1 ?
1305                                                           ", auto cache invalidate disabled"
1306                                                           : "");
1307                                                 break;
1308                                         case 1:
1309                                                 instr_out(data, hw_offset, i,
1310                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1311                                                           (data[i] >> 24) &
1312                                                           0x3f,
1313                                                           (data[i] >> 16) &
1314                                                           0x3f);
1315                                                 break;
1316                                         case 2:
1317                                                 instr_out(data, hw_offset, i,
1318                                                           "S2: texcoord formats: ");
1319                                                 for (tex_num = 0;
1320                                                      tex_num < 8; tex_num++) {
1321                                                         switch ((data[i] >>
1322                                                                  tex_num *
1323                                                                  4) & 0xf) {
1324                                                         case 0:
1325                                                                 fprintf(out,
1326                                                                         "%i=2D ",
1327                                                                         tex_num);
1328                                                                 break;
1329                                                         case 1:
1330                                                                 fprintf(out,
1331                                                                         "%i=3D ",
1332                                                                         tex_num);
1333                                                                 break;
1334                                                         case 2:
1335                                                                 fprintf(out,
1336                                                                         "%i=4D ",
1337                                                                         tex_num);
1338                                                                 break;
1339                                                         case 3:
1340                                                                 fprintf(out,
1341                                                                         "%i=1D ",
1342                                                                         tex_num);
1343                                                                 break;
1344                                                         case 4:
1345                                                                 fprintf(out,
1346                                                                         "%i=2D_16 ",
1347                                                                         tex_num);
1348                                                                 break;
1349                                                         case 5:
1350                                                                 fprintf(out,
1351                                                                         "%i=4D_16 ",
1352                                                                         tex_num);
1353                                                                 break;
1354                                                         case 0xf:
1355                                                                 fprintf(out,
1356                                                                         "%i=NP ",
1357                                                                         tex_num);
1358                                                                 break;
1359                                                         }
1360                                                 }
1361                                                 fprintf(out, "\n");
1362
1363                                                 break;
1364                                         case 3:
1365                                                 instr_out(data, hw_offset, i,
1366                                                           "S3: not documented\n");
1367                                                 break;
1368                                         case 4:
1369                                                 {
1370                                                         const char *cullmode = "";
1371                                                         const char *vfmt_xyzw = "";
1372                                                         switch ((data[i] >> 13)
1373                                                                 & 0x3) {
1374                                                         case 0:
1375                                                                 cullmode =
1376                                                                     "both";
1377                                                                 break;
1378                                                         case 1:
1379                                                                 cullmode =
1380                                                                     "none";
1381                                                                 break;
1382                                                         case 2:
1383                                                                 cullmode = "cw";
1384                                                                 break;
1385                                                         case 3:
1386                                                                 cullmode =
1387                                                                     "ccw";
1388                                                                 break;
1389                                                         }
1390                                                         switch (data[i] &
1391                                                                 (7 << 6 | 1 <<
1392                                                                  2)) {
1393                                                         case 1 << 6:
1394                                                                 vfmt_xyzw =
1395                                                                     "XYZ,";
1396                                                                 break;
1397                                                         case 2 << 6:
1398                                                                 vfmt_xyzw =
1399                                                                     "XYZW,";
1400                                                                 break;
1401                                                         case 3 << 6:
1402                                                                 vfmt_xyzw =
1403                                                                     "XY,";
1404                                                                 break;
1405                                                         case 4 << 6:
1406                                                                 vfmt_xyzw =
1407                                                                     "XYW,";
1408                                                                 break;
1409                                                         case 1 << 6 | 1 << 2:
1410                                                                 vfmt_xyzw =
1411                                                                     "XYZF,";
1412                                                                 break;
1413                                                         case 2 << 6 | 1 << 2:
1414                                                                 vfmt_xyzw =
1415                                                                     "XYZWF,";
1416                                                                 break;
1417                                                         case 3 << 6 | 1 << 2:
1418                                                                 vfmt_xyzw =
1419                                                                     "XYF,";
1420                                                                 break;
1421                                                         case 4 << 6 | 1 << 2:
1422                                                                 vfmt_xyzw =
1423                                                                     "XYWF,";
1424                                                                 break;
1425                                                         }
1426                                                         instr_out(data,
1427                                                                   hw_offset, i,
1428                                                                   "S4: point_width=%i, line_width=%.1f,"
1429                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1430                                                                   "%s%s%s%s%s\n",
1431                                                                   (data[i] >>
1432                                                                    23) & 0x1ff,
1433                                                                   ((data[i] >>
1434                                                                     19) & 0xf) /
1435                                                                   2.0,
1436                                                                   data[i] & (0xf
1437                                                                              <<
1438                                                                              15)
1439                                                                   ?
1440                                                                   " flatshade="
1441                                                                   : "",
1442                                                                   data[i] & (1
1443                                                                              <<
1444                                                                              18)
1445                                                                   ? "Alpha," :
1446                                                                   "",
1447                                                                   data[i] & (1
1448                                                                              <<
1449                                                                              17)
1450                                                                   ? "Fog," : "",
1451                                                                   data[i] & (1
1452                                                                              <<
1453                                                                              16)
1454                                                                   ? "Specular,"
1455                                                                   : "",
1456                                                                   data[i] & (1
1457                                                                              <<
1458                                                                              15)
1459                                                                   ? "Color," :
1460                                                                   "", cullmode,
1461                                                                   data[i] & (1
1462                                                                              <<
1463                                                                              12)
1464                                                                   ?
1465                                                                   "PointWidth,"
1466                                                                   : "",
1467                                                                   data[i] & (1
1468                                                                              <<
1469                                                                              11)
1470                                                                   ? "SpecFog," :
1471                                                                   "",
1472                                                                   data[i] & (1
1473                                                                              <<
1474                                                                              10)
1475                                                                   ? "Color," :
1476                                                                   "",
1477                                                                   data[i] & (1
1478                                                                              <<
1479                                                                              9)
1480                                                                   ? "DepthOfs,"
1481                                                                   : "",
1482                                                                   vfmt_xyzw,
1483                                                                   data[i] & (1
1484                                                                              <<
1485                                                                              9)
1486                                                                   ? "FogParam,"
1487                                                                   : "",
1488                                                                   data[i] & (1
1489                                                                              <<
1490                                                                              5)
1491                                                                   ?
1492                                                                   "force default diffuse, "
1493                                                                   : "",
1494                                                                   data[i] & (1
1495                                                                              <<
1496                                                                              4)
1497                                                                   ?
1498                                                                   "force default specular, "
1499                                                                   : "",
1500                                                                   data[i] & (1
1501                                                                              <<
1502                                                                              3)
1503                                                                   ?
1504                                                                   "local depth ofs enable, "
1505                                                                   : "",
1506                                                                   data[i] & (1
1507                                                                              <<
1508                                                                              1)
1509                                                                   ?
1510                                                                   "point sprite enable, "
1511                                                                   : "",
1512                                                                   data[i] & (1
1513                                                                              <<
1514                                                                              0)
1515                                                                   ?
1516                                                                   "line AA enable, "
1517                                                                   : "");
1518                                                         break;
1519                                                 }
1520                                         case 5:
1521                                                 {
1522                                                         instr_out(data,
1523                                                                   hw_offset, i,
1524                                                                   "S5:%s%s%s%s%s"
1525                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1526                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1527                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1528                                                                   data[i] & (0xf
1529                                                                              <<
1530                                                                              28)
1531                                                                   ?
1532                                                                   " write_disable="
1533                                                                   : "",
1534                                                                   data[i] & (1
1535                                                                              <<
1536                                                                              31)
1537                                                                   ? "Alpha," :
1538                                                                   "",
1539                                                                   data[i] & (1
1540                                                                              <<
1541                                                                              30)
1542                                                                   ? "Red," : "",
1543                                                                   data[i] & (1
1544                                                                              <<
1545                                                                              29)
1546                                                                   ? "Green," :
1547                                                                   "",
1548                                                                   data[i] & (1
1549                                                                              <<
1550                                                                              28)
1551                                                                   ? "Blue," :
1552                                                                   "",
1553                                                                   data[i] & (1
1554                                                                              <<
1555                                                                              27)
1556                                                                   ?
1557                                                                   " force default point size,"
1558                                                                   : "",
1559                                                                   data[i] & (1
1560                                                                              <<
1561                                                                              26)
1562                                                                   ?
1563                                                                   " last pixel enable,"
1564                                                                   : "",
1565                                                                   data[i] & (1
1566                                                                              <<
1567                                                                              25)
1568                                                                   ?
1569                                                                   " global depth ofs enable,"
1570                                                                   : "",
1571                                                                   data[i] & (1
1572                                                                              <<
1573                                                                              24)
1574                                                                   ?
1575                                                                   " fog enable,"
1576                                                                   : "",
1577                                                                   (data[i] >>
1578                                                                    16) & 0xff,
1579                                                                   decode_compare_func
1580                                                                   (data[i] >>
1581                                                                    13),
1582                                                                   decode_stencil_op
1583                                                                   (data[i] >>
1584                                                                    10),
1585                                                                   decode_stencil_op
1586                                                                   (data[i] >>
1587                                                                    7),
1588                                                                   decode_stencil_op
1589                                                                   (data[i] >>
1590                                                                    4),
1591                                                                   data[i] & (1
1592                                                                              <<
1593                                                                              3)
1594                                                                   ?
1595                                                                   "stencil write enable, "
1596                                                                   : "",
1597                                                                   data[i] & (1
1598                                                                              <<
1599                                                                              2)
1600                                                                   ?
1601                                                                   "stencil test enable, "
1602                                                                   : "",
1603                                                                   data[i] & (1
1604                                                                              <<
1605                                                                              1)
1606                                                                   ?
1607                                                                   "color dither enable, "
1608                                                                   : "",
1609                                                                   data[i] & (1
1610                                                                              <<
1611                                                                              0)
1612                                                                   ?
1613                                                                   "logicop enable, "
1614                                                                   : "");
1615                                                 }
1616                                                 break;
1617                                         case 6:
1618                                                 instr_out(data, hw_offset, i,
1619                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1620                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1621                                                           "%s%stristrip_provoking_vertex=%i\n",
1622                                                           data[i] & (1 << 31) ?
1623                                                           "alpha test enable, "
1624                                                           : "",
1625                                                           decode_compare_func
1626                                                           (data[i] >> 28),
1627                                                           data[i] & (0xff <<
1628                                                                      20),
1629                                                           decode_compare_func
1630                                                           (data[i] >> 16),
1631                                                           data[i] & (1 << 15) ?
1632                                                           "cbuf blend enable, "
1633                                                           : "",
1634                                                           decode_blend_fact(data
1635                                                                             [i]
1636                                                                             >>
1637                                                                             8),
1638                                                           decode_blend_fact(data
1639                                                                             [i]
1640                                                                             >>
1641                                                                             4),
1642                                                           data[i] & (1 << 3) ?
1643                                                           "depth write enable, "
1644                                                           : "",
1645                                                           data[i] & (1 << 2) ?
1646                                                           "cbuf write enable, "
1647                                                           : "",
1648                                                           data[i] & (0x3));
1649                                                 break;
1650                                         case 7:
1651                                                 instr_out(data, hw_offset, i,
1652                                                           "S7: depth offset constant: 0x%08x\n",
1653                                                           data[i]);
1654                                                 break;
1655                                         }
1656                                 } else {
1657                                         instr_out(data, hw_offset, i,
1658                                                   "S%d: 0x%08x\n", i, data[i]);
1659                                 }
1660                                 i++;
1661                         }
1662                 }
1663                 if (len != i) {
1664                         fprintf(out,
1665                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1666                 }
1667                 return len;
1668         case 0x03:
1669                 instr_out(data, hw_offset, 0,
1670                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1671                 len = (data[0] & 0x0000000f) + 2;
1672                 i = 1;
1673                 for (word = 6; word <= 14; word++) {
1674                         if (data[0] & (1 << word)) {
1675                                 if (i >= count)
1676                                         BUFFER_FAIL(count, len,
1677                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_2");
1678
1679                                 if (word == 6)
1680                                         instr_out(data, hw_offset, i++,
1681                                                   "TBCF\n");
1682                                 else if (word >= 7 && word <= 10) {
1683                                         instr_out(data, hw_offset, i++,
1684                                                   "TB%dC\n", word - 7);
1685                                         instr_out(data, hw_offset, i++,
1686                                                   "TB%dA\n", word - 7);
1687                                 } else if (word >= 11 && word <= 14) {
1688                                         instr_out(data, hw_offset, i,
1689                                                   "TM%dS0: offset=0x%08x, %s\n",
1690                                                   word - 11,
1691                                                   data[i] & 0xfffffffe,
1692                                                   data[i] & 1 ? "use fence" :
1693                                                   "");
1694                                         i++;
1695                                         instr_out(data, hw_offset, i,
1696                                                   "TM%dS1: height=%i, width=%i, %s\n",
1697                                                   word - 11, data[i] >> 21,
1698                                                   (data[i] >> 10) & 0x3ff,
1699                                                   data[i] & 2 ? (data[i] & 1 ?
1700                                                                  "y-tiled" :
1701                                                                  "x-tiled") :
1702                                                   "");
1703                                         i++;
1704                                         instr_out(data, hw_offset, i,
1705                                                   "TM%dS2: pitch=%i, \n",
1706                                                   word - 11,
1707                                                   ((data[i] >> 21) + 1) * 4);
1708                                         i++;
1709                                         instr_out(data, hw_offset, i++,
1710                                                   "TM%dS3\n", word - 11);
1711                                         instr_out(data, hw_offset, i++,
1712                                                   "TM%dS4: dflt color\n",
1713                                                   word - 11);
1714                                 }
1715                         }
1716                 }
1717                 if (len != i) {
1718                         fprintf(out,
1719                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1720                 }
1721                 return len;
1722         case 0x00:
1723                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
1724                 len = (data[0] & 0x0000003f) + 2;
1725                 instr_out(data, hw_offset, 1, "mask\n");
1726
1727                 i = 2;
1728                 for (map = 0; map <= 15; map++) {
1729                         if (data[1] & (1 << map)) {
1730                                 int width, height, pitch, dword;
1731                                 const char *tiling;
1732
1733                                 if (i + 3 >= count)
1734                                         BUFFER_FAIL(count, len,
1735                                                     "3DSTATE_MAP_STATE");
1736
1737                                 dword = data[i];
1738                                 instr_out(data, hw_offset, i++,
1739                                           "map %d MS2 %s%s%s\n", map,
1740                                           dword & (1 << 31) ?
1741                                           "untrusted surface, " : "",
1742                                           dword & (1 << 1) ?
1743                                           "vertical line stride enable, " : "",
1744                                           dword & (1 << 0) ?
1745                                           "vertical ofs enable, " : "");
1746
1747                                 dword = data[i];
1748                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1749                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1750
1751                                 tiling = "none";
1752                                 if (dword & (1 << 2))
1753                                         tiling = "fenced";
1754                                 else if (dword & (1 << 1))
1755                                         tiling = dword & (1 << 0) ? "Y" : "X";
1756                                 type = " BAD";
1757                                 format = "BAD";
1758                                 switch ((dword >> 7) & 0x7) {
1759                                 case 1:
1760                                         type = "8b";
1761                                         switch ((dword >> 3) & 0xf) {
1762                                         case 0:
1763                                                 format = "I";
1764                                                 break;
1765                                         case 1:
1766                                                 format = "L";
1767                                                 break;
1768                                         case 4:
1769                                                 format = "A";
1770                                                 break;
1771                                         case 5:
1772                                                 format = " mono";
1773                                                 break;
1774                                         }
1775                                         break;
1776                                 case 2:
1777                                         type = "16b";
1778                                         switch ((dword >> 3) & 0xf) {
1779                                         case 0:
1780                                                 format = " rgb565";
1781                                                 break;
1782                                         case 1:
1783                                                 format = " argb1555";
1784                                                 break;
1785                                         case 2:
1786                                                 format = " argb4444";
1787                                                 break;
1788                                         case 5:
1789                                                 format = " ay88";
1790                                                 break;
1791                                         case 6:
1792                                                 format = " bump655";
1793                                                 break;
1794                                         case 7:
1795                                                 format = "I";
1796                                                 break;
1797                                         case 8:
1798                                                 format = "L";
1799                                                 break;
1800                                         case 9:
1801                                                 format = "A";
1802                                                 break;
1803                                         }
1804                                         break;
1805                                 case 3:
1806                                         type = "32b";
1807                                         switch ((dword >> 3) & 0xf) {
1808                                         case 0:
1809                                                 format = " argb8888";
1810                                                 break;
1811                                         case 1:
1812                                                 format = " abgr8888";
1813                                                 break;
1814                                         case 2:
1815                                                 format = " xrgb8888";
1816                                                 break;
1817                                         case 3:
1818                                                 format = " xbgr8888";
1819                                                 break;
1820                                         case 4:
1821                                                 format = " qwvu8888";
1822                                                 break;
1823                                         case 5:
1824                                                 format = " axvu8888";
1825                                                 break;
1826                                         case 6:
1827                                                 format = " lxvu8888";
1828                                                 break;
1829                                         case 7:
1830                                                 format = " xlvu8888";
1831                                                 break;
1832                                         case 8:
1833                                                 format = " argb2101010";
1834                                                 break;
1835                                         case 9:
1836                                                 format = " abgr2101010";
1837                                                 break;
1838                                         case 10:
1839                                                 format = " awvu2101010";
1840                                                 break;
1841                                         case 11:
1842                                                 format = " gr1616";
1843                                                 break;
1844                                         case 12:
1845                                                 format = " vu1616";
1846                                                 break;
1847                                         case 13:
1848                                                 format = " xI824";
1849                                                 break;
1850                                         case 14:
1851                                                 format = " xA824";
1852                                                 break;
1853                                         case 15:
1854                                                 format = " xL824";
1855                                                 break;
1856                                         }
1857                                         break;
1858                                 case 5:
1859                                         type = "422";
1860                                         switch ((dword >> 3) & 0xf) {
1861                                         case 0:
1862                                                 format = " yuv_swapy";
1863                                                 break;
1864                                         case 1:
1865                                                 format = " yuv";
1866                                                 break;
1867                                         case 2:
1868                                                 format = " yuv_swapuv";
1869                                                 break;
1870                                         case 3:
1871                                                 format = " yuv_swapuvy";
1872                                                 break;
1873                                         }
1874                                         break;
1875                                 case 6:
1876                                         type = "compressed";
1877                                         switch ((dword >> 3) & 0x7) {
1878                                         case 0:
1879                                                 format = " dxt1";
1880                                                 break;
1881                                         case 1:
1882                                                 format = " dxt2_3";
1883                                                 break;
1884                                         case 2:
1885                                                 format = " dxt4_5";
1886                                                 break;
1887                                         case 3:
1888                                                 format = " fxt1";
1889                                                 break;
1890                                         case 4:
1891                                                 format = " dxt1_rb";
1892                                                 break;
1893                                         }
1894                                         break;
1895                                 case 7:
1896                                         type = "4b indexed";
1897                                         switch ((dword >> 3) & 0xf) {
1898                                         case 7:
1899                                                 format = " argb8888";
1900                                                 break;
1901                                         }
1902                                         break;
1903                                 }
1904                                 dword = data[i];
1905                                 instr_out(data, hw_offset, i++,
1906                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1907                                           map, width, height, type, format,
1908                                           tiling,
1909                                           dword & (1 << 9) ? " palette select" :
1910                                           "");
1911
1912                                 dword = data[i];
1913                                 pitch =
1914                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1915                                 instr_out(data, hw_offset, i++,
1916                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1917                                           map, pitch, (dword >> 9) & 0x3f,
1918                                           dword & 0xff, (dword >> 15) & 0x3f,
1919                                           dword & (1 << 8) ? "miplayout legacy"
1920                                           : "miplayout right");
1921                         }
1922                 }
1923                 if (len != i) {
1924                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1925                         return len;
1926                 }
1927                 return len;
1928         case 0x06:
1929                 instr_out(data, hw_offset, 0,
1930                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1931                 len = (data[0] & 0x000000ff) + 2;
1932
1933                 i = 2;
1934                 for (c = 0; c <= 31; c++) {
1935                         if (data[1] & (1 << c)) {
1936                                 if (i + 4 >= count)
1937                                         BUFFER_FAIL(count, len,
1938                                                     "3DSTATE_PIXEL_SHADER_CONSTANTS");
1939                                 instr_out(data, hw_offset, i, "C%d.X = %f\n", c,
1940                                           int_as_float(data[i]));
1941                                 i++;
1942                                 instr_out(data, hw_offset, i, "C%d.Y = %f\n",
1943                                           c, int_as_float(data[i]));
1944                                 i++;
1945                                 instr_out(data, hw_offset, i, "C%d.Z = %f\n",
1946                                           c, int_as_float(data[i]));
1947                                 i++;
1948                                 instr_out(data, hw_offset, i, "C%d.W = %f\n",
1949                                           c, int_as_float(data[i]));
1950                                 i++;
1951                         }
1952                 }
1953                 if (len != i) {
1954                         fprintf(out,
1955                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1956                 }
1957                 return len;
1958         case 0x05:
1959                 instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
1960                 len = (data[0] & 0x000000ff) + 2;
1961                 if ((len - 1) % 3 != 0 || len > 370) {
1962                         fprintf(out,
1963                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
1964                 }
1965                 i = 1;
1966                 for (instr = 0; instr < (len - 1) / 3; instr++) {
1967                         char instr_prefix[10];
1968
1969                         if (i + 3 >= count)
1970                                 BUFFER_FAIL(count, len,
1971                                             "3DSTATE_PIXEL_SHADER_PROGRAM");
1972                         sprintf(instr_prefix, "PS%03d", instr);
1973                         i915_decode_instruction(data, hw_offset, i,
1974                                                 instr_prefix);
1975                         i += 3;
1976                 }
1977                 return len;
1978         case 0x01:
1979                 if (IS_GEN2(devid))
1980                         break;
1981                 instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
1982                 instr_out(data, hw_offset, 1, "mask\n");
1983                 len = (data[0] & 0x0000003f) + 2;
1984                 i = 2;
1985                 for (sampler = 0; sampler <= 15; sampler++) {
1986                         if (data[1] & (1 << sampler)) {
1987                                 uint32_t dword;
1988                                 const char *mip_filter = "";
1989                                 if (i + 3 >= count)
1990                                         BUFFER_FAIL(count, len,
1991                                                     "3DSTATE_SAMPLER_STATE");
1992                                 dword = data[i];
1993                                 switch ((dword >> 20) & 0x3) {
1994                                 case 0:
1995                                         mip_filter = "none";
1996                                         break;
1997                                 case 1:
1998                                         mip_filter = "nearest";
1999                                         break;
2000                                 case 3:
2001                                         mip_filter = "linear";
2002                                         break;
2003                                 }
2004                                 instr_out(data, hw_offset, i++,
2005                                           "sampler %d SS2:%s%s%s "
2006                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
2007                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
2008                                           sampler,
2009                                           dword & (1 << 31) ? " reverse gamma,"
2010                                           : "",
2011                                           dword & (1 << 30) ? " packed2planar,"
2012                                           : "",
2013                                           dword & (1 << 29) ?
2014                                           " colorspace conversion," : "",
2015                                           (dword >> 22) & 0x1f, mip_filter,
2016                                           decode_sample_filter(dword >> 17),
2017                                           decode_sample_filter(dword >> 14),
2018                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2019                                           dword & (1 << 4) ? " shadow," : "",
2020                                           dword & (1 << 3) ? 4 : 2,
2021                                           decode_compare_func(dword));
2022                                 dword = data[i];
2023                                 instr_out(data, hw_offset, i++,
2024                                           "sampler %d SS3: min_lod=%.2f,%s "
2025                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2026                                           sampler,
2027                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2028                                           dword & (1 << 17) ?
2029                                           " kill pixel enable," : "",
2030                                           decode_tex_coord_mode(dword >> 12),
2031                                           decode_tex_coord_mode(dword >> 9),
2032                                           decode_tex_coord_mode(dword >> 6),
2033                                           dword & (1 << 5) ?
2034                                           " normalized coords," : "",
2035                                           (dword >> 1) & 0xf,
2036                                           dword & (1 << 0) ? " deinterlacer," :
2037                                           "");
2038                                 dword = data[i];
2039                                 instr_out(data, hw_offset, i++,
2040                                           "sampler %d SS4: border color\n",
2041                                           sampler);
2042                         }
2043                 }
2044                 if (len != i) {
2045                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2046                 }
2047                 return len;
2048         case 0x85:
2049                 len = (data[0] & 0x0000000f) + 2;
2050
2051                 if (len != 2)
2052                         fprintf(out,
2053                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2054                 if (count < 2)
2055                         BUFFER_FAIL(count, len,
2056                                     "3DSTATE_DEST_BUFFER_VARIABLES");
2057
2058                 instr_out(data, hw_offset, 0,
2059                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2060
2061                 switch ((data[1] >> 8) & 0xf) {
2062                 case 0x0:
2063                         format = "g8";
2064                         break;
2065                 case 0x1:
2066                         format = "x1r5g5b5";
2067                         break;
2068                 case 0x2:
2069                         format = "r5g6b5";
2070                         break;
2071                 case 0x3:
2072                         format = "a8r8g8b8";
2073                         break;
2074                 case 0x4:
2075                         format = "ycrcb_swapy";
2076                         break;
2077                 case 0x5:
2078                         format = "ycrcb_normal";
2079                         break;
2080                 case 0x6:
2081                         format = "ycrcb_swapuv";
2082                         break;
2083                 case 0x7:
2084                         format = "ycrcb_swapuvy";
2085                         break;
2086                 case 0x8:
2087                         format = "a4r4g4b4";
2088                         break;
2089                 case 0x9:
2090                         format = "a1r5g5b5";
2091                         break;
2092                 case 0xa:
2093                         format = "a2r10g10b10";
2094                         break;
2095                 default:
2096                         format = "BAD";
2097                         break;
2098                 }
2099                 switch ((data[1] >> 2) & 0x3) {
2100                 case 0x0:
2101                         zformat = "u16";
2102                         break;
2103                 case 0x1:
2104                         zformat = "f16";
2105                         break;
2106                 case 0x2:
2107                         zformat = "u24x8";
2108                         break;
2109                 default:
2110                         zformat = "BAD";
2111                         break;
2112                 }
2113                 instr_out(data, hw_offset, 1,
2114                           "%s format, %s depth format, early Z %sabled\n",
2115                           format, zformat,
2116                           (data[1] & (1 << 31)) ? "en" : "dis");
2117                 return len;
2118
2119         case 0x8e:
2120                 {
2121                         const char *name, *tiling;
2122
2123                         len = (data[0] & 0x0000000f) + 2;
2124                         if (len != 3)
2125                                 fprintf(out,
2126                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2127                         if (count < 3)
2128                                 BUFFER_FAIL(count, len, "3DSTATE_BUFFER_INFO");
2129
2130                         switch ((data[1] >> 24) & 0x7) {
2131                         case 0x3:
2132                                 name = "color";
2133                                 break;
2134                         case 0x7:
2135                                 name = "depth";
2136                                 break;
2137                         default:
2138                                 name = "unknown";
2139                                 break;
2140                         }
2141
2142                         tiling = "none";
2143                         if (data[1] & (1 << 23))
2144                                 tiling = "fenced";
2145                         else if (data[1] & (1 << 22))
2146                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2147
2148                         instr_out(data, hw_offset, 0, "3DSTATE_BUFFER_INFO\n");
2149                         instr_out(data, hw_offset, 1,
2150                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2151                                   data[1] & 0xffff);
2152
2153                         instr_out(data, hw_offset, 2, "address\n");
2154                         return len;
2155                 }
2156         case 0x81:
2157                 len = (data[0] & 0x0000000f) + 2;
2158
2159                 if (len != 3)
2160                         fprintf(out,
2161                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2162                 if (count < 3)
2163                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_RECTANGLE");
2164
2165                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2166                 instr_out(data, hw_offset, 1, "(%d,%d)\n",
2167                           data[1] & 0xffff, data[1] >> 16);
2168                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2169                           data[2] & 0xffff, data[2] >> 16);
2170
2171                 return len;
2172         case 0x80:
2173                 len = (data[0] & 0x0000000f) + 2;
2174
2175                 if (len != 5)
2176                         fprintf(out,
2177                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2178                 if (count < 5)
2179                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
2180
2181                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2182                 instr_out(data, hw_offset, 1, "%s\n",
2183                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2184                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2185                           data[2] & 0xffff, data[2] >> 16);
2186                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
2187                           data[3] & 0xffff, data[3] >> 16);
2188                 instr_out(data, hw_offset, 4, "(%d,%d)\n",
2189                           data[4] & 0xffff, data[4] >> 16);
2190
2191                 return len;
2192         case 0x9c:
2193                 len = (data[0] & 0x0000000f) + 2;
2194
2195                 if (len != 7)
2196                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2197                 if (count < 7)
2198                         BUFFER_FAIL(count, len, "3DSTATE_CLEAR_PARAMETERS");
2199
2200                 instr_out(data, hw_offset, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2201                 instr_out(data, hw_offset, 1, "prim_type=%s, clear=%s%s%s\n",
2202                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2203                           data[1] & (1 << 2) ? "color," : "",
2204                           data[1] & (1 << 1) ? "depth," : "",
2205                           data[1] & (1 << 0) ? "stencil," : "");
2206                 instr_out(data, hw_offset, 2, "clear color\n");
2207                 instr_out(data, hw_offset, 3, "clear depth/stencil\n");
2208                 instr_out(data, hw_offset, 4, "color value (rgba8888)\n");
2209                 instr_out(data, hw_offset, 5, "depth value %f\n",
2210                           int_as_float(data[5]));
2211                 instr_out(data, hw_offset, 6, "clear stencil\n");
2212                 return len;
2213         }
2214
2215         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2216                 opcode_3d_1d = &opcodes_3d_1d[idx];
2217                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2218                         continue;
2219
2220                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2221                         len = 1;
2222
2223                         instr_out(data, hw_offset, 0, "%s\n",
2224                                   opcode_3d_1d->name);
2225                         if (opcode_3d_1d->max_len > 1) {
2226                                 len = (data[0] & 0x0000ffff) + 2;
2227                                 if (len < opcode_3d_1d->min_len ||
2228                                     len > opcode_3d_1d->max_len) {
2229                                         fprintf(out, "Bad count in %s\n",
2230                                                 opcode_3d_1d->name);
2231                                 }
2232                         }
2233
2234                         for (i = 1; i < len; i++) {
2235                                 if (i >= count)
2236                                         BUFFER_FAIL(count, len,
2237                                                     opcode_3d_1d->name);
2238                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2239                         }
2240
2241                         return len;
2242                 }
2243         }
2244
2245         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2246                   opcode);
2247         return 1;
2248 }
2249
2250 static int
2251 decode_3d_primitive(struct drm_intel_decode *ctx)
2252 {
2253         uint32_t *data = ctx->data;
2254         uint32_t hw_offset = ctx->hw_offset;
2255         uint32_t count = ctx->count;
2256         char immediate = (data[0] & (1 << 23)) == 0;
2257         unsigned int len, i, j, ret;
2258         const char *primtype;
2259         int original_s2 = saved_s2;
2260         int original_s4 = saved_s4;
2261
2262         switch ((data[0] >> 18) & 0xf) {
2263         case 0x0:
2264                 primtype = "TRILIST";
2265                 break;
2266         case 0x1:
2267                 primtype = "TRISTRIP";
2268                 break;
2269         case 0x2:
2270                 primtype = "TRISTRIP_REVERSE";
2271                 break;
2272         case 0x3:
2273                 primtype = "TRIFAN";
2274                 break;
2275         case 0x4:
2276                 primtype = "POLYGON";
2277                 break;
2278         case 0x5:
2279                 primtype = "LINELIST";
2280                 break;
2281         case 0x6:
2282                 primtype = "LINESTRIP";
2283                 break;
2284         case 0x7:
2285                 primtype = "RECTLIST";
2286                 break;
2287         case 0x8:
2288                 primtype = "POINTLIST";
2289                 break;
2290         case 0x9:
2291                 primtype = "DIB";
2292                 break;
2293         case 0xa:
2294                 primtype = "CLEAR_RECT";
2295                 saved_s4 = 3 << 6;
2296                 saved_s2 = ~0;
2297                 break;
2298         default:
2299                 primtype = "unknown";
2300                 break;
2301         }
2302
2303         /* XXX: 3DPRIM_DIB not supported */
2304         if (immediate) {
2305                 len = (data[0] & 0x0003ffff) + 2;
2306                 instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n",
2307                           primtype);
2308                 if (count < len)
2309                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2310                 if (!saved_s2_set || !saved_s4_set) {
2311                         fprintf(out, "unknown vertex format\n");
2312                         for (i = 1; i < len; i++) {
2313                                 instr_out(data, hw_offset, i,
2314                                           "           vertex data (%f float)\n",
2315                                           int_as_float(data[i]));
2316                         }
2317                 } else {
2318                         unsigned int vertex = 0;
2319                         for (i = 1; i < len;) {
2320                                 unsigned int tc;
2321
2322 #define VERTEX_OUT(fmt, ...) do {                                       \
2323     if (i < len)                                                        \
2324         instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2325     else                                                                \
2326         fprintf(out, " missing data in V%d\n", vertex);                 \
2327     i++;                                                                \
2328 } while (0)
2329
2330                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2331                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2332                                 switch (saved_s4 >> 6 & 0x7) {
2333                                 case 0x1:
2334                                         VERTEX_OUT("Z = %f",
2335                                                    int_as_float(data[i]));
2336                                         break;
2337                                 case 0x2:
2338                                         VERTEX_OUT("Z = %f",
2339                                                    int_as_float(data[i]));
2340                                         VERTEX_OUT("W = %f",
2341                                                    int_as_float(data[i]));
2342                                         break;
2343                                 case 0x3:
2344                                         break;
2345                                 case 0x4:
2346                                         VERTEX_OUT("W = %f",
2347                                                    int_as_float(data[i]));
2348                                         break;
2349                                 default:
2350                                         fprintf(out, "bad S4 position mask\n");
2351                                 }
2352
2353                                 if (saved_s4 & (1 << 10)) {
2354                                         VERTEX_OUT
2355                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2356                                              "B=0x%02x)", data[i] >> 24,
2357                                              (data[i] >> 16) & 0xff,
2358                                              (data[i] >> 8) & 0xff,
2359                                              data[i] & 0xff);
2360                                 }
2361                                 if (saved_s4 & (1 << 11)) {
2362                                         VERTEX_OUT
2363                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2364                                              "B=0x%02x)", data[i] >> 24,
2365                                              (data[i] >> 16) & 0xff,
2366                                              (data[i] >> 8) & 0xff,
2367                                              data[i] & 0xff);
2368                                 }
2369                                 if (saved_s4 & (1 << 12))
2370                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2371
2372                                 for (tc = 0; tc <= 7; tc++) {
2373                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2374                                         case 0x0:
2375                                                 VERTEX_OUT("T%d.X = %f", tc,
2376                                                            int_as_float(data
2377                                                                         [i]));
2378                                                 VERTEX_OUT("T%d.Y = %f", tc,
2379                                                            int_as_float(data
2380                                                                         [i]));
2381                                                 break;
2382                                         case 0x1:
2383                                                 VERTEX_OUT("T%d.X = %f", tc,
2384                                                            int_as_float(data
2385                                                                         [i]));
2386                                                 VERTEX_OUT("T%d.Y = %f", tc,
2387                                                            int_as_float(data
2388                                                                         [i]));
2389                                                 VERTEX_OUT("T%d.Z = %f", tc,
2390                                                            int_as_float(data
2391                                                                         [i]));
2392                                                 break;
2393                                         case 0x2:
2394                                                 VERTEX_OUT("T%d.X = %f", tc,
2395                                                            int_as_float(data
2396                                                                         [i]));
2397                                                 VERTEX_OUT("T%d.Y = %f", tc,
2398                                                            int_as_float(data
2399                                                                         [i]));
2400                                                 VERTEX_OUT("T%d.Z = %f", tc,
2401                                                            int_as_float(data
2402                                                                         [i]));
2403                                                 VERTEX_OUT("T%d.W = %f", tc,
2404                                                            int_as_float(data
2405                                                                         [i]));
2406                                                 break;
2407                                         case 0x3:
2408                                                 VERTEX_OUT("T%d.X = %f", tc,
2409                                                            int_as_float(data
2410                                                                         [i]));
2411                                                 break;
2412                                         case 0x4:
2413                                                 VERTEX_OUT
2414                                                     ("T%d.XY = 0x%08x half-float",
2415                                                      tc, data[i]);
2416                                                 break;
2417                                         case 0x5:
2418                                                 VERTEX_OUT
2419                                                     ("T%d.XY = 0x%08x half-float",
2420                                                      tc, data[i]);
2421                                                 VERTEX_OUT
2422                                                     ("T%d.ZW = 0x%08x half-float",
2423                                                      tc, data[i]);
2424                                                 break;
2425                                         case 0xf:
2426                                                 break;
2427                                         default:
2428                                                 fprintf(out,
2429                                                         "bad S2.T%d format\n",
2430                                                         tc);
2431                                         }
2432                                 }
2433                                 vertex++;
2434                         }
2435                 }
2436
2437                 ret = len;
2438         } else {
2439                 /* indirect vertices */
2440                 len = data[0] & 0x0000ffff;     /* index count */
2441                 if (data[0] & (1 << 17)) {
2442                         /* random vertex access */
2443                         if (count < (len + 1) / 2 + 1) {
2444                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2445                                             "3DPRIMITIVE random indirect");
2446                         }
2447                         instr_out(data, hw_offset, 0,
2448                                   "3DPRIMITIVE random indirect %s (%d)\n",
2449                                   primtype, len);
2450                         if (len == 0) {
2451                                 /* vertex indices continue until 0xffff is
2452                                  * found
2453                                  */
2454                                 for (i = 1; i < count; i++) {
2455                                         if ((data[i] & 0xffff) == 0xffff) {
2456                                                 instr_out(data, hw_offset, i,
2457                                                           "    indices: (terminator)\n");
2458                                                 ret = i;
2459                                                 goto out;
2460                                         } else if ((data[i] >> 16) == 0xffff) {
2461                                                 instr_out(data, hw_offset, i,
2462                                                           "    indices: 0x%04x, (terminator)\n",
2463                                                           data[i] & 0xffff);
2464                                                 ret = i;
2465                                                 goto out;
2466                                         } else {
2467                                                 instr_out(data, hw_offset, i,
2468                                                           "    indices: 0x%04x, 0x%04x\n",
2469                                                           data[i] & 0xffff,
2470                                                           data[i] >> 16);
2471                                         }
2472                                 }
2473                                 fprintf(out,
2474                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2475                                 ret = count;
2476                                 goto out;
2477                         } else {
2478                                 /* fixed size vertex index buffer */
2479                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2480                                         if (i * 2 == len - 1) {
2481                                                 instr_out(data, hw_offset, j,
2482                                                           "    indices: 0x%04x\n",
2483                                                           data[j] & 0xffff);
2484                                         } else {
2485                                                 instr_out(data, hw_offset, j,
2486                                                           "    indices: 0x%04x, 0x%04x\n",
2487                                                           data[j] & 0xffff,
2488                                                           data[j] >> 16);
2489                                         }
2490                                 }
2491                         }
2492                         ret = (len + 1) / 2 + 1;
2493                         goto out;
2494                 } else {
2495                         /* sequential vertex access */
2496                         if (count < 2)
2497                                 BUFFER_FAIL(count, 2,
2498                                             "3DPRIMITIVE seq indirect");
2499                         instr_out(data, hw_offset, 0,
2500                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2501                                   "%d\n", primtype, len, data[1] & 0xffff);
2502                         instr_out(data, hw_offset, 1, "           start\n");
2503                         ret = 2;
2504                         goto out;
2505                 }
2506         }
2507
2508 out:
2509         saved_s2 = original_s2;
2510         saved_s4 = original_s4;
2511         return ret;
2512 }
2513
2514 static int
2515 decode_3d(struct drm_intel_decode *ctx)
2516 {
2517         uint32_t opcode;
2518         unsigned int idx;
2519         uint32_t *data = ctx->data;
2520         uint32_t hw_offset = ctx->hw_offset;
2521         uint32_t count = ctx->count;
2522
2523         struct {
2524                 uint32_t opcode;
2525                 unsigned int min_len;
2526                 unsigned int max_len;
2527                 const char *name;
2528         } opcodes_3d[] = {
2529                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2530                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2531                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2532                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2533                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2534                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2535                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2536                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2537                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2538         }, *opcode_3d;
2539
2540         opcode = (data[0] & 0x1f000000) >> 24;
2541
2542         switch (opcode) {
2543         case 0x1f:
2544                 return decode_3d_primitive(ctx);
2545         case 0x1d:
2546                 return decode_3d_1d(ctx);
2547         case 0x1c:
2548                 return decode_3d_1c(ctx);
2549         }
2550
2551         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2552                 opcode_3d = &opcodes_3d[idx];
2553                 if (opcode == opcode_3d->opcode) {
2554                         unsigned int len = 1, i;
2555
2556                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
2557                         if (opcode_3d->max_len > 1) {
2558                                 len = (data[0] & 0xff) + 2;
2559                                 if (len < opcode_3d->min_len ||
2560                                     len > opcode_3d->max_len) {
2561                                         fprintf(out, "Bad count in %s\n",
2562                                                 opcode_3d->name);
2563                                 }
2564                         }
2565
2566                         for (i = 1; i < len; i++) {
2567                                 if (i >= count)
2568                                         BUFFER_FAIL(count, len,
2569                                                     opcode_3d->name);
2570                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2571                         }
2572                         return len;
2573                 }
2574         }
2575
2576         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2577         return 1;
2578 }
2579
2580 static const char *get_965_surfacetype(unsigned int surfacetype)
2581 {
2582         switch (surfacetype) {
2583         case 0:
2584                 return "1D";
2585         case 1:
2586                 return "2D";
2587         case 2:
2588                 return "3D";
2589         case 3:
2590                 return "CUBE";
2591         case 4:
2592                 return "BUFFER";
2593         case 7:
2594                 return "NULL";
2595         default:
2596                 return "unknown";
2597         }
2598 }
2599
2600 static const char *get_965_depthformat(unsigned int depthformat)
2601 {
2602         switch (depthformat) {
2603         case 0:
2604                 return "s8_z24float";
2605         case 1:
2606                 return "z32float";
2607         case 2:
2608                 return "z24s8";
2609         case 5:
2610                 return "z16";
2611         default:
2612                 return "unknown";
2613         }
2614 }
2615
2616 static const char *get_965_element_component(uint32_t data, int component)
2617 {
2618         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2619
2620         switch (component_control) {
2621         case 0:
2622                 return "nostore";
2623         case 1:
2624                 switch (component) {
2625                 case 0:
2626                         return "X";
2627                 case 1:
2628                         return "Y";
2629                 case 2:
2630                         return "Z";
2631                 case 3:
2632                         return "W";
2633                 default:
2634                         return "fail";
2635                 }
2636         case 2:
2637                 return "0.0";
2638         case 3:
2639                 return "1.0";
2640         case 4:
2641                 return "0x1";
2642         case 5:
2643                 return "VID";
2644         default:
2645                 return "fail";
2646         }
2647 }
2648
2649 static const char *get_965_prim_type(uint32_t data)
2650 {
2651         uint32_t primtype = (data >> 10) & 0x1f;
2652
2653         switch (primtype) {
2654         case 0x01:
2655                 return "point list";
2656         case 0x02:
2657                 return "line list";
2658         case 0x03:
2659                 return "line strip";
2660         case 0x04:
2661                 return "tri list";
2662         case 0x05:
2663                 return "tri strip";
2664         case 0x06:
2665                 return "tri fan";
2666         case 0x07:
2667                 return "quad list";
2668         case 0x08:
2669                 return "quad strip";
2670         case 0x09:
2671                 return "line list adj";
2672         case 0x0a:
2673                 return "line strip adj";
2674         case 0x0b:
2675                 return "tri list adj";
2676         case 0x0c:
2677                 return "tri strip adj";
2678         case 0x0d:
2679                 return "tri strip reverse";
2680         case 0x0e:
2681                 return "polygon";
2682         case 0x0f:
2683                 return "rect list";
2684         case 0x10:
2685                 return "line loop";
2686         case 0x11:
2687                 return "point list bf";
2688         case 0x12:
2689                 return "line strip cont";
2690         case 0x13:
2691                 return "line strip bf";
2692         case 0x14:
2693                 return "line strip cont bf";
2694         case 0x15:
2695                 return "tri fan no stipple";
2696         default:
2697                 return "fail";
2698         }
2699 }
2700
2701 static int
2702 i965_decode_urb_fence(uint32_t *data, uint32_t hw_offset, int len,
2703                       uint32_t count)
2704 {
2705         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2706
2707         if (len != 3)
2708                 fprintf(out, "Bad count in URB_FENCE\n");
2709         if (count < 3)
2710                 BUFFER_FAIL(count, len, "URB_FENCE");
2711
2712         vs_fence = data[1] & 0x3ff;
2713         gs_fence = (data[1] >> 10) & 0x3ff;
2714         clip_fence = (data[1] >> 20) & 0x3ff;
2715         sf_fence = data[2] & 0x3ff;
2716         vfe_fence = (data[2] >> 10) & 0x3ff;
2717         cs_fence = (data[2] >> 20) & 0x7ff;
2718
2719         instr_out(data, hw_offset, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2720                   (data[0] >> 13) & 1 ? "cs " : "",
2721                   (data[0] >> 12) & 1 ? "vfe " : "",
2722                   (data[0] >> 11) & 1 ? "sf " : "",
2723                   (data[0] >> 10) & 1 ? "clip " : "",
2724                   (data[0] >> 9) & 1 ? "gs " : "",
2725                   (data[0] >> 8) & 1 ? "vs " : "");
2726         instr_out(data, hw_offset, 1,
2727                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2728                   vs_fence, clip_fence, gs_fence);
2729         instr_out(data, hw_offset, 2,
2730                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2731                   sf_fence, vfe_fence, cs_fence);
2732         if (gs_fence < vs_fence)
2733                 fprintf(out, "gs fence < vs fence!\n");
2734         if (clip_fence < gs_fence)
2735                 fprintf(out, "clip fence < gs fence!\n");
2736         if (sf_fence < clip_fence)
2737                 fprintf(out, "sf fence < clip fence!\n");
2738         if (cs_fence < sf_fence)
2739                 fprintf(out, "cs fence < sf fence!\n");
2740
2741         return len;
2742 }
2743
2744 static void
2745 state_base_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2746                const char *name)
2747 {
2748         if (data[index] & 1) {
2749                 instr_out(data, hw_offset, index,
2750                           "%s state base address 0x%08x\n", name,
2751                           data[index] & ~1);
2752         } else {
2753                 instr_out(data, hw_offset, index, "%s state base not updated\n",
2754                           name);
2755         }
2756 }
2757
2758 static void
2759 state_max_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2760               const char *name)
2761 {
2762         if (data[index] & 1) {
2763                 if (data[index] == 1) {
2764                         instr_out(data, hw_offset, index,
2765                                   "%s state upper bound disabled\n", name);
2766                 } else {
2767                         instr_out(data, hw_offset, index,
2768                                   "%s state upper bound 0x%08x\n", name,
2769                                   data[index] & ~1);
2770                 }
2771         } else {
2772                 instr_out(data, hw_offset, index,
2773                           "%s state upper bound not updated\n", name);
2774         }
2775 }
2776
2777 static int
2778 decode_3d_965(struct drm_intel_decode *ctx)
2779 {
2780         uint32_t opcode;
2781         unsigned int idx, len;
2782         unsigned int i, j, sba_len;
2783         const char *desc1 = NULL;
2784         uint32_t *data = ctx->data;
2785         uint32_t hw_offset = ctx->hw_offset;
2786         uint32_t count = ctx->count;
2787         uint32_t devid = ctx->devid;
2788
2789         struct {
2790                 uint32_t opcode;
2791                 int unsigned min_len;
2792                 int unsigned max_len;
2793                 const char *name;
2794         } opcodes_3d[] = {
2795                 { 0x6000, 3, 3, "URB_FENCE" },
2796                 { 0x6001, 2, 2, "CS_URB_STATE" },
2797                 { 0x6002, 2, 2, "CONSTANT_BUFFER" },
2798                 { 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
2799                 { 0x6102, 2, 2, "STATE_SIP" },
2800                 { 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2801                 { 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
2802                 { 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2803                 { 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
2804                 { 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
2805                 { 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
2806                 { 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
2807                 { 0x780a, 3, 3, "3DSTATE_INDEX_BUFFER" },
2808                 { 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
2809                 { 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
2810                 { 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
2811                 { 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
2812                 { 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
2813                 { 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
2814                 { 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
2815                 { 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
2816                 { 0x7909, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2817                 { 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
2818                 { 0x790b, 4, 4, "3DSTATE_GS_SVB_INDEX" },
2819                 { 0x790d, 3, 3, "3DSTATE_MULTISAMPLE" },
2820                 { 0x7910, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2821                 { 0x7b00, 6, 6, "3DPRIMITIVE" },
2822                 { 0x7802, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
2823                 { 0x7805, 3, 3, "3DSTATE_URB" },
2824                 { 0x780d, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
2825                 { 0x780e, 4, 4, "3DSTATE_CC_STATE_POINTERS" },
2826                 { 0x780f, 2, 2, "3DSTATE_SCISSOR_STATE_POINTERS" },
2827                 { 0x7810, 6, 6, "3DSTATE_VS_STATE" },
2828                 { 0x7811, 7, 7, "3DSTATE_GS_STATE" },
2829                 { 0x7812, 4, 4, "3DSTATE_CLIP_STATE" },
2830                 { 0x7813, 20, 20, "3DSTATE_SF_STATE" },
2831                 { 0x7814, 9, 9, "3DSTATE_WM_STATE" },
2832                 { 0x7815, 5, 5, "3DSTATE_CONSTANT_VS_STATE" },
2833                 { 0x7816, 5, 5, "3DSTATE_CONSTANT_GS_STATE" },
2834                 { 0x7817, 5, 5, "3DSTATE_CONSTANT_PS_STATE" },
2835                 { 0x7818, 2, 2, "3DSTATE_SAMPLE_MASK"},
2836         }, *opcode_3d;
2837
2838         len = (data[0] & 0x0000ffff) + 2;
2839
2840         opcode = (data[0] & 0xffff0000) >> 16;
2841         switch (opcode) {
2842         case 0x6000:
2843                 len = (data[0] & 0x000000ff) + 2;
2844                 return i965_decode_urb_fence(data, hw_offset, len, count);
2845         case 0x6001:
2846                 instr_out(data, hw_offset, 0, "CS_URB_STATE\n");
2847                 instr_out(data, hw_offset, 1,
2848                           "entry_size: %d [%d bytes], n_entries: %d\n",
2849                           (data[1] >> 4) & 0x1f,
2850                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
2851                 return len;
2852         case 0x6002:
2853                 len = (data[0] & 0x000000ff) + 2;
2854                 instr_out(data, hw_offset, 0, "CONSTANT_BUFFER: %s\n",
2855                           (data[0] >> 8) & 1 ? "valid" : "invalid");
2856                 instr_out(data, hw_offset, 1,
2857                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
2858                           ((data[1] & 0x3f) + 1) * 64);
2859                 return len;
2860         case 0x6101:
2861                 i = 0;
2862                 instr_out(data, hw_offset, 0, "STATE_BASE_ADDRESS\n");
2863                 i++;
2864
2865                 if (IS_GEN6(devid) || IS_GEN7(devid))
2866                         sba_len = 10;
2867                 else if (IS_GEN5(devid))
2868                         sba_len = 8;
2869                 else
2870                         sba_len = 6;
2871                 if (len != sba_len)
2872                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
2873                 if (len != sba_len)
2874                         BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
2875
2876                 state_base_out(data, hw_offset, i++, "general");
2877                 state_base_out(data, hw_offset, i++, "surface");
2878                 if (IS_GEN6(devid) || IS_GEN7(devid))
2879                         state_base_out(data, hw_offset, i++, "dynamic");
2880                 state_base_out(data, hw_offset, i++, "indirect");
2881                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2882                         state_base_out(data, hw_offset, i++, "instruction");
2883
2884                 state_max_out(data, hw_offset, i++, "general");
2885                 if (IS_GEN6(devid) || IS_GEN7(devid))
2886                         state_max_out(data, hw_offset, i++, "dynamic");
2887                 state_max_out(data, hw_offset, i++, "indirect");
2888                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2889                         state_max_out(data, hw_offset, i++, "instruction");
2890
2891                 return len;
2892         case 0x7800:
2893                 if (len != 7)
2894                         fprintf(out,
2895                                 "Bad count in 3DSTATE_PIPELINED_POINTERS\n");
2896                 if (count < 7)
2897                         BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
2898
2899                 instr_out(data, hw_offset, 0, "3DSTATE_PIPELINED_POINTERS\n");
2900                 instr_out(data, hw_offset, 1, "VS state\n");
2901                 instr_out(data, hw_offset, 2, "GS state\n");
2902                 instr_out(data, hw_offset, 3, "Clip state\n");
2903                 instr_out(data, hw_offset, 4, "SF state\n");
2904                 instr_out(data, hw_offset, 5, "WM state\n");
2905                 instr_out(data, hw_offset, 6, "CC state\n");
2906                 return len;
2907         case 0x7801:
2908                 len = (data[0] & 0x000000ff) + 2;
2909                 if (len != 6 && len != 4)
2910                         fprintf(out,
2911                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
2912                 if (len == 6) {
2913                         if (count < 6)
2914                                 BUFFER_FAIL(count, len,
2915                                             "3DSTATE_BINDING_TABLE_POINTERS");
2916                         instr_out(data, hw_offset, 0,
2917                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
2918                         instr_out(data, hw_offset, 1, "VS binding table\n");
2919                         instr_out(data, hw_offset, 2, "GS binding table\n");
2920                         instr_out(data, hw_offset, 3, "Clip binding table\n");
2921                         instr_out(data, hw_offset, 4, "SF binding table\n");
2922                         instr_out(data, hw_offset, 5, "WM binding table\n");
2923                 } else {
2924                         if (count < 4)
2925                                 BUFFER_FAIL(count, len,
2926                                             "3DSTATE_BINDING_TABLE_POINTERS");
2927
2928                         instr_out(data, hw_offset, 0,
2929                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
2930                                   "GS mod %d, PS mod %d\n",
2931                                   (data[0] & (1 << 8)) != 0,
2932                                   (data[0] & (1 << 9)) != 0,
2933                                   (data[0] & (1 << 12)) != 0);
2934                         instr_out(data, hw_offset, 1, "VS binding table\n");
2935                         instr_out(data, hw_offset, 2, "GS binding table\n");
2936                         instr_out(data, hw_offset, 3, "WM binding table\n");
2937                 }
2938
2939                 return len;
2940         case 0x7802:
2941                 len = (data[0] & 0xff) + 2;
2942                 if (len != 4)
2943                         fprintf(out,
2944                                 "Bad count in 3DSTATE_SAMPLER_STATE_POINTERS\n");
2945                 if (count < 4)
2946                         BUFFER_FAIL(count, len,
2947                                     "3DSTATE_SAMPLER_STATE_POINTERS");
2948                 instr_out(data, hw_offset, 0,
2949                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
2950                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
2951                           (data[0] & (1 << 9)) != 0,
2952                           (data[0] & (1 << 12)) != 0);
2953                 instr_out(data, hw_offset, 1, "VS sampler state\n");
2954                 instr_out(data, hw_offset, 2, "GS sampler state\n");
2955                 instr_out(data, hw_offset, 3, "WM sampler state\n");
2956                 return len;
2957         case 0x7805:
2958                 len = (data[0] & 0xff) + 2;
2959                 if (len != 3)
2960                         fprintf(out, "Bad count in 3DSTATE_URB\n");
2961                 if (count < 3)
2962                         BUFFER_FAIL(count, len, "3DSTATE_URB");
2963                 instr_out(data, hw_offset, 0, "3DSTATE_URB\n");
2964                 instr_out(data, hw_offset, 1,
2965                           "VS entries %d, alloc size %d (1024bit row)\n",
2966                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
2967                 instr_out(data, hw_offset, 2,
2968                           "GS entries %d, alloc size %d (1024bit row)\n",
2969                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
2970                 return len;
2971
2972         case 0x7808:
2973                 len = (data[0] & 0xff) + 2;
2974                 if ((len - 1) % 4 != 0)
2975                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
2976                 if (count < len)
2977                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_BUFFERS");
2978                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_BUFFERS\n");
2979
2980                 for (i = 1; i < len;) {
2981                         int idx, access;
2982                         if (IS_GEN6(devid)) {
2983                                 idx = 26;
2984                                 access = 20;
2985                         } else {
2986                                 idx = 27;
2987                                 access = 26;
2988                         }
2989                         instr_out(data, hw_offset, i,
2990                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
2991                                   data[i] & (1 << access) ? "random" :
2992                                   "sequential", data[i] & 0x07ff);
2993                         i++;
2994                         instr_out(data, hw_offset, i++, "buffer address\n");
2995                         instr_out(data, hw_offset, i++, "max index\n");
2996                         instr_out(data, hw_offset, i++, "mbz\n");
2997                 }
2998                 return len;
2999
3000         case 0x7809:
3001                 len = (data[0] & 0xff) + 2;
3002                 if ((len + 1) % 2 != 0)
3003                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
3004                 if (count < len)
3005                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_ELEMENTS");
3006                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_ELEMENTS\n");
3007
3008                 for (i = 1; i < len;) {
3009                         instr_out(data, hw_offset, i,
3010                                   "buffer %d: %svalid, type 0x%04x, "
3011                                   "src offset 0x%04x bytes\n",
3012                                   data[i] >> (IS_GEN6(devid) ? 26 : 27),
3013                                   data[i] & (1 << (IS_GEN6(devid) ? 25 : 26)) ?
3014                                   "" : "in", (data[i] >> 16) & 0x1ff,
3015                                   data[i] & 0x07ff);
3016                         i++;
3017                         instr_out(data, hw_offset, i, "(%s, %s, %s, %s), "
3018                                   "dst offset 0x%02x bytes\n",
3019                                   get_965_element_component(data[i], 0),
3020                                   get_965_element_component(data[i], 1),
3021                                   get_965_element_component(data[i], 2),
3022                                   get_965_element_component(data[i], 3),
3023                                   (data[i] & 0xff) * 4);
3024                         i++;
3025                 }
3026                 return len;
3027
3028         case 0x780d:
3029                 len = (data[0] & 0xff) + 2;
3030                 if (len != 4)
3031                         fprintf(out,
3032                                 "Bad count in 3DSTATE_VIEWPORT_STATE_POINTERS\n");
3033                 if (count < len)
3034                         BUFFER_FAIL(count, len,
3035                                     "3DSTATE_VIEWPORT_STATE_POINTERS");
3036                 instr_out(data, hw_offset, 0,
3037                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3038                 instr_out(data, hw_offset, 1, "clip\n");
3039                 instr_out(data, hw_offset, 2, "sf\n");
3040                 instr_out(data, hw_offset, 3, "cc\n");
3041                 return len;
3042
3043         case 0x780a:
3044                 len = (data[0] & 0xff) + 2;
3045                 if (len != 3)
3046                         fprintf(out, "Bad count in 3DSTATE_INDEX_BUFFER\n");
3047                 if (count < len)
3048                         BUFFER_FAIL(count, len, "3DSTATE_INDEX_BUFFER");
3049                 instr_out(data, hw_offset, 0, "3DSTATE_INDEX_BUFFER\n");
3050                 instr_out(data, hw_offset, 1, "beginning buffer address\n");
3051                 instr_out(data, hw_offset, 2, "ending buffer address\n");
3052                 return len;
3053
3054         case 0x780e:
3055                 len = (data[0] & 0xff) + 2;
3056                 if (len != 4)
3057                         fprintf(out,
3058                                 "Bad count in 3DSTATE_CC_STATE_POINTERS\n");
3059                 if (count < 4)
3060                         BUFFER_FAIL(count, len, "3DSTATE_CC_STATE_POINTERS");
3061                 instr_out(data, hw_offset, 0, "3DSTATE_CC_STATE_POINTERS\n");
3062                 instr_out(data, hw_offset, 1, "blend change %d\n", data[1] & 1);
3063                 instr_out(data, hw_offset, 2, "depth stencil change %d\n",
3064                           data[2] & 1);
3065                 instr_out(data, hw_offset, 3, "cc change %d\n", data[3] & 1);
3066                 return len;
3067
3068         case 0x780f:
3069                 len = (data[0] & 0xff) + 2;
3070                 if (len != 2)
3071                         fprintf(out, "Bad count in 3DSTATE_SCISSOR_POINTERS\n");
3072                 if (count < 2)
3073                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_POINTERS");
3074                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_POINTERS\n");
3075                 instr_out(data, hw_offset, 1, "scissor rect offset\n");
3076                 return len;
3077
3078         case 0x7810:
3079                 len = (data[0] & 0xff) + 2;
3080                 if (len != 6)
3081                         fprintf(out, "Bad count in 3DSTATE_VS\n");
3082                 if (count < 6)
3083                         BUFFER_FAIL(count, len, "3DSTATE_VS");
3084                 instr_out(data, hw_offset, 0, "3DSTATE_VS\n");
3085                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3086                 instr_out(data, hw_offset, 2,
3087                           "SPF=%d, VME=%d, Sampler Count %d, "
3088                           "Binding table count %d\n", (data[2] >> 31) & 1,
3089                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3090                           (data[2] >> 18) & 0xff);
3091                 instr_out(data, hw_offset, 3, "scratch offset\n");
3092                 instr_out(data, hw_offset, 4,
3093                           "Dispatch GRF start %d, VUE read length %d, "
3094                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3095                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3096                 instr_out(data, hw_offset, 5,
3097                           "Max Threads %d, Vertex Cache %sable, "
3098                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3099                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3100                           (data[5] & 1) != 0 ? "en" : "dis");
3101                 return len;
3102
3103         case 0x7811:
3104                 len = (data[0] & 0xff) + 2;
3105                 if (len != 7)
3106                         fprintf(out, "Bad count in 3DSTATE_GS\n");
3107                 if (count < 7)
3108                         BUFFER_FAIL(count, len, "3DSTATE_GS");
3109                 instr_out(data, hw_offset, 0, "3DSTATE_GS\n");
3110                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3111                 instr_out(data, hw_offset, 2,
3112                           "SPF=%d, VME=%d, Sampler Count %d, "
3113                           "Binding table count %d\n", (data[2] >> 31) & 1,
3114                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3115                           (data[2] >> 18) & 0xff);
3116                 instr_out(data, hw_offset, 3, "scratch offset\n");
3117                 instr_out(data, hw_offset, 4,
3118                           "Dispatch GRF start %d, VUE read length %d, "
3119                           "VUE read offset %d\n", (data[4] & 0xf),
3120                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3121                 instr_out(data, hw_offset, 5,
3122                           "Max Threads %d, Rendering %sable\n",
3123                           ((data[5] >> 25) & 0x7f) + 1,
3124                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3125                 instr_out(data, hw_offset, 6,
3126                           "Reorder %sable, Discard Adjaceny %sable, "
3127                           "GS %sable\n",
3128                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3129                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3130                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3131                 return len;
3132
3133         case 0x7812:
3134                 len = (data[0] & 0xff) + 2;
3135                 if (len != 4)
3136                         fprintf(out, "Bad count in 3DSTATE_CLIP\n");
3137                 if (count < 4)
3138                         BUFFER_FAIL(count, len, "3DSTATE_CLIP");
3139                 instr_out(data, hw_offset, 0, "3DSTATE_CLIP\n");
3140                 instr_out(data, hw_offset, 1,
3141                           "UserClip distance cull test mask 0x%x\n",
3142                           data[1] & 0xff);
3143                 instr_out(data, hw_offset, 2,
3144                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3145                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3146                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3147                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3148                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3149                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3150                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3151                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3152                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3153                           (data[2] >> 13) & 7,
3154                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3155                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3156                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3157                           (data[2] & 3));
3158                 instr_out(data, hw_offset, 3,
3159                           "Min PointWidth %d, Max PointWidth %d, "
3160                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3161                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3162                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3163                           (data[3] & 0xf));
3164                 return len;
3165
3166         case 0x7813:
3167                 len = (data[0] & 0xff) + 2;
3168                 if (len != 20)
3169                         fprintf(out, "Bad count in 3DSTATE_SF\n");
3170                 if (count < 20)
3171                         BUFFER_FAIL(count, len, "3DSTATE_SF");
3172                 instr_out(data, hw_offset, 0, "3DSTATE_SF\n");
3173                 instr_out(data, hw_offset, 1,
3174                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3175                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3176                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3177                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3178                 instr_out(data, hw_offset, 2,
3179                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3180                           "VP transform %sable, FrontWinding_%s\n",
3181                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3182                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3183                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3184                           (data[2] & 1) != 0 ? "CCW" : "CW");
3185                 instr_out(data, hw_offset, 3,
3186                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3187                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3188                           (data[3] >> 29) & 3,
3189                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3190                           (data[3] >> 8) & 3);
3191                 instr_out(data, hw_offset, 4,
3192                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3193                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3194                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3195                           (data[4] & (1 << 11)) != 0);
3196                 instr_out(data, hw_offset, 5,
3197                           "Global Depth Offset Constant %f\n",
3198                           *(float *)(&data[5]));
3199                 instr_out(data, hw_offset, 6, "Global Depth Offset Scale %f\n",
3200                           *(float *)(&data[6]));
3201                 instr_out(data, hw_offset, 7, "Global Depth Offset Clamp %f\n",
3202                           *(float *)(&data[7]));
3203
3204                 for (i = 0, j = 0; i < 8; i++, j += 2)
3205                         instr_out(data, hw_offset, i + 8,
3206                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3207                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3208                                   j + 1,
3209                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3210                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3211                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3212                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3213                                   (data[8 + i] >> 25) & 3,
3214                                   (data[8 + i] >> 22) & 3,
3215                                   (data[8 + i] >> 16) & 0x1f, j,
3216                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3217                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3218                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3219                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3220                                   (data[8 + i] >> 9) & 3,
3221                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3222                 instr_out(data, hw_offset, 16,
3223                           "Point Sprite TexCoord Enable\n");
3224                 instr_out(data, hw_offset, 17, "Const Interp Enable\n");
3225                 instr_out(data, hw_offset, 18,
3226                           "Attrib 7-0 WrapShortest Enable\n");
3227                 instr_out(data, hw_offset, 19,
3228                           "Attrib 15-8 WrapShortest Enable\n");
3229
3230                 return len;
3231
3232         case 0x7814:
3233                 len = (data[0] & 0xff) + 2;
3234                 if (len != 9)
3235                         fprintf(out, "Bad count in 3DSTATE_WM\n");
3236                 if (count < 9)
3237                         BUFFER_FAIL(count, len, "3DSTATE_WM");
3238                 instr_out(data, hw_offset, 0, "3DSTATE_WM\n");
3239                 instr_out(data, hw_offset, 1, "kernel start pointer 0\n");
3240                 instr_out(data, hw_offset, 2,
3241                           "SPF=%d, VME=%d, Sampler Count %d, "
3242                           "Binding table count %d\n", (data[2] >> 31) & 1,
3243                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3244                           (data[2] >> 18) & 0xff);
3245                 instr_out(data, hw_offset, 3, "scratch offset\n");
3246                 instr_out(data, hw_offset, 4,
3247                           "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
3248                           "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
3249                           (data[4] & (1 << 30)) != 0,
3250                           (data[4] & (1 << 28)) != 0,
3251                           (data[4] & (1 << 27)) != 0, (data[4] >> 16) & 0x7f,
3252                           (data[4] >> 8) & 0x7f, (data[4] & 0x7f));
3253                 instr_out(data, hw_offset, 5,
3254                           "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
3255                           "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, Dispatch32 %d, "
3256                           "Dispatch16 %d, Dispatch8 %d\n",
3257                           ((data[5] >> 25) & 0x7f) + 1,
3258                           (data[5] & (1 << 22)) != 0,
3259                           (data[5] & (1 << 21)) != 0,
3260                           (data[5] & (1 << 20)) != 0,
3261                           (data[5] & (1 << 19)) != 0, (data[5] & (1 << 8)) != 0,
3262                           (data[5] & (1 << 2)) != 0, (data[5] & (1 << 1)) != 0,
3263                           (data[5] & (1 << 0)) != 0);
3264                 instr_out(data, hw_offset, 6,
3265                           "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
3266                           "Barycentric interp mode 0x%x, Point raster rule %d, Multisample mode %d, "
3267                           "Multisample Dispatch mode %d\n",
3268                           (data[6] >> 20) & 0x3f, (data[6] >> 18) & 3,
3269                           (data[6] >> 16) & 3, (data[6] >> 10) & 0x3f,
3270                           (data[6] & (1 << 9)) != 0, (data[6] >> 1) & 3,
3271                           (data[6] & 1));
3272                 instr_out(data, hw_offset, 7, "kernel start pointer 1\n");
3273                 instr_out(data, hw_offset, 8, "kernel start pointer 2\n");
3274
3275                 return len;
3276
3277         case 0x7900:
3278                 if (len != 4)
3279                         fprintf(out,
3280                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
3281                 if (count < 4)
3282                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
3283
3284                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3285                 instr_out(data, hw_offset, 1, "top left: %d,%d\n",
3286                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3287                 instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
3288                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3289                 instr_out(data, hw_offset, 3, "origin: %d,%d\n",
3290                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3291
3292                 return len;
3293
3294         case 0x7905:
3295                 if (len < 5 || len > 7)
3296                         fprintf(out, "Bad count in 3DSTATE_DEPTH_BUFFER\n");
3297                 if (count < len)
3298                         BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
3299
3300                 instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_BUFFER\n");
3301                 if (IS_GEN5(devid) || IS_GEN6(devid))
3302                         instr_out(data, hw_offset, 1,
3303                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
3304                                   get_965_surfacetype(data[1] >> 29),
3305                                   get_965_depthformat((data[1] >> 18) & 0x7),
3306                                   (data[1] & 0x0001ffff) + 1,
3307                                   data[1] & (1 << 27) ? "" : "not ",
3308                                   (data[1] & (1 << 22)) != 0,
3309                                   (data[1] & (1 << 21)) != 0);
3310                 else
3311                         instr_out(data, hw_offset, 1,
3312                                   "%s, %s, pitch = %d bytes, %stiled\n",
3313                                   get_965_surfacetype(data[1] >> 29),
3314                                   get_965_depthformat((data[1] >> 18) & 0x7),
3315                                   (data[1] & 0x0001ffff) + 1,
3316                                   data[1] & (1 << 27) ? "" : "not ");
3317                 instr_out(data, hw_offset, 2, "depth offset\n");
3318                 instr_out(data, hw_offset, 3, "%dx%d\n",
3319                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3320                           ((data[3] & 0xfff80000) >> 19) + 1);
3321                 instr_out(data, hw_offset, 4, "volume depth\n");
3322                 if (len >= 6)
3323                         instr_out(data, hw_offset, 5, "\n");
3324                 if (len >= 7) {
3325                         if (IS_GEN6(devid))
3326                                 instr_out(data, hw_offset, 6, "\n");
3327                         else
3328                                 instr_out(data, hw_offset, 6,
3329                                           "render target view extent\n");
3330                 }
3331
3332                 return len;
3333
3334         case 0x7a00:
3335                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
3336                         unsigned int i;
3337                         len = (data[0] & 0xff) + 2;
3338                         if (len != 4 && len != 5)
3339                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3340                         if (count < len)
3341                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3342
3343                         switch ((data[1] >> 14) & 0x3) {
3344                         case 0:
3345                                 desc1 = "no write";
3346                                 break;
3347                         case 1:
3348                                 desc1 = "qword write";
3349                                 break;
3350                         case 2:
3351                                 desc1 = "PS_DEPTH_COUNT write";
3352                                 break;
3353                         case 3:
3354                                 desc1 = "TIMESTAMP write";
3355                                 break;
3356                         }
3357                         instr_out(data, hw_offset, 0, "PIPE_CONTROL\n");
3358                         instr_out(data, hw_offset, 1,
3359                                   "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3360                                   desc1,
3361                                   data[1] & (1 << 20) ? "cs stall, " : "",
3362                                   data[1] & (1 << 19) ?
3363                                   "global snapshot count reset, " : "",
3364                                   data[1] & (1 << 18) ? "tlb invalidate, " : "",
3365                                   data[1] & (1 << 17) ? "gfdt flush, " : "",
3366                                   data[1] & (1 << 17) ? "media state clear, " :
3367                                   "",
3368                                   data[1] & (1 << 13) ? "depth stall, " : "",
3369                                   data[1] & (1 << 12) ?
3370                                   "render target cache flush, " : "",
3371                                   data[1] & (1 << 11) ?
3372                                   "instruction cache invalidate, " : "",
3373                                   data[1] & (1 << 10) ?
3374                                   "texture cache invalidate, " : "",
3375                                   data[1] & (1 << 9) ?
3376                                   "indirect state invalidate, " : "",
3377                                   data[1] & (1 << 8) ? "notify irq, " : "",
3378                                   data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3379                                   "",
3380                                   data[1] & (1 << 6) ? "protect mem app_id, " :
3381                                   "", data[1] & (1 << 5) ? "DC flush, " : "",
3382                                   data[1] & (1 << 4) ? "vf fetch invalidate, " :
3383                                   "",
3384                                   data[1] & (1 << 3) ?
3385                                   "constant cache invalidate, " : "",
3386                                   data[1] & (1 << 2) ?
3387                                   "state cache invalidate, " : "",
3388                                   data[1] & (1 << 1) ? "stall at scoreboard, " :
3389                                   "",
3390                                   data[1] & (1 << 0) ? "depth cache flush, " :
3391                                   "");
3392                         if (len == 5) {
3393                                 instr_out(data, hw_offset, 2,
3394                                           "destination address\n");
3395                                 instr_out(data, hw_offset, 3,
3396                                           "immediate dword low\n");
3397                                 instr_out(data, hw_offset, 4,
3398                                           "immediate dword high\n");
3399                         } else {
3400                                 for (i = 2; i < len; i++) {
3401                                         instr_out(data, hw_offset, i, "\n");
3402                                 }
3403                         }
3404                         return len;
3405                 } else {
3406                         len = (data[0] & 0xff) + 2;
3407                         if (len != 4)
3408                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3409                         if (count < len)
3410                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3411
3412                         switch ((data[0] >> 14) & 0x3) {
3413                         case 0:
3414                                 desc1 = "no write";
3415                                 break;
3416                         case 1:
3417                                 desc1 = "qword write";
3418                                 break;
3419                         case 2:
3420                                 desc1 = "PS_DEPTH_COUNT write";
3421                                 break;
3422                         case 3:
3423                                 desc1 = "TIMESTAMP write";
3424                                 break;
3425                         }
3426                         instr_out(data, hw_offset, 0,
3427                                   "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3428                                   "%sinst flush\n",
3429                                   desc1,
3430                                   data[0] & (1 << 13) ? "" : "no ",
3431                                   data[0] & (1 << 12) ? "" : "no ",
3432                                   data[0] & (1 << 11) ? "" : "no ");
3433                         instr_out(data, hw_offset, 1, "destination address\n");
3434                         instr_out(data, hw_offset, 2, "immediate dword low\n");
3435                         instr_out(data, hw_offset, 3, "immediate dword high\n");
3436                         return len;
3437                 }
3438         case 0x7b00:
3439                 len = (data[0] & 0xff) + 2;
3440                 if (len != 6)
3441                         fprintf(out, "Bad count in 3DPRIMITIVE\n");
3442                 if (count < len)
3443                         BUFFER_FAIL(count, len, "3DPRIMITIVE");
3444
3445                 instr_out(data, hw_offset, 0,
3446                           "3DPRIMITIVE: %s %s\n",
3447                           get_965_prim_type(data[0]),
3448                           (data[0] & (1 << 15)) ? "random" : "sequential");
3449                 instr_out(data, hw_offset, 1, "vertex count\n");
3450                 instr_out(data, hw_offset, 2, "start vertex\n");
3451                 instr_out(data, hw_offset, 3, "instance count\n");
3452                 instr_out(data, hw_offset, 4, "start instance\n");
3453                 instr_out(data, hw_offset, 5, "index bias\n");
3454                 return len;
3455         }
3456
3457         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3458                 opcode_3d = &opcodes_3d[idx];
3459                 if ((data[0] & 0xffff0000) >> 16 == opcode_3d->opcode) {
3460                         unsigned int i;
3461                         len = 1;
3462
3463                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3464                         if (opcode_3d->max_len > 1) {
3465                                 len = (data[0] & 0xff) + 2;
3466                                 if (len < opcode_3d->min_len ||
3467                                     len > opcode_3d->max_len) {
3468                                         fprintf(out, "Bad count in %s\n",
3469                                                 opcode_3d->name);
3470                                 }
3471                         }
3472
3473                         for (i = 1; i < len; i++) {
3474                                 if (i >= count)
3475                                         BUFFER_FAIL(count, len,
3476                                                     opcode_3d->name);
3477                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3478                         }
3479                         return len;
3480                 }
3481         }
3482
3483         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3484                   opcode);
3485         return 1;
3486 }
3487
3488 static int
3489 decode_3d_i830(struct drm_intel_decode *ctx)
3490 {
3491         unsigned int idx;
3492         uint32_t opcode;
3493         uint32_t *data = ctx->data;
3494         uint32_t hw_offset = ctx->hw_offset;
3495         uint32_t count = ctx->count;
3496
3497         struct {
3498                 uint32_t opcode;
3499                 unsigned int min_len;
3500                 unsigned int max_len;
3501                 const char *name;
3502         } opcodes_3d[] = {
3503                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3504                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3505                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3506                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3507                 { 0x06, 1, 1, "3DSTATE_AA" },
3508                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3509                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3510                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3511                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3512                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3513                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3514                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3515                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3516                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3517                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3518                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3519         }, *opcode_3d;
3520
3521         opcode = (data[0] & 0x1f000000) >> 24;
3522
3523         switch (opcode) {
3524         case 0x1f:
3525                 return decode_3d_primitive(ctx);
3526         case 0x1d:
3527                 return decode_3d_1d(ctx);
3528         case 0x1c:
3529                 return decode_3d_1c(ctx);
3530         }
3531
3532         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3533                 opcode_3d = &opcodes_3d[idx];
3534                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3535                         unsigned int len = 1, i;
3536
3537                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3538                         if (opcode_3d->max_len > 1) {
3539                                 len = (data[0] & 0xff) + 2;
3540                                 if (len < opcode_3d->min_len ||
3541                                     len > opcode_3d->max_len) {
3542                                         fprintf(out, "Bad count in %s\n",
3543                                                 opcode_3d->name);
3544                                 }
3545                         }
3546
3547                         for (i = 1; i < len; i++) {
3548                                 if (i >= count)
3549                                         BUFFER_FAIL(count, len,
3550                                                     opcode_3d->name);
3551                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3552                         }
3553                         return len;
3554                 }
3555         }
3556
3557         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3558                   opcode);
3559         return 1;
3560 }
3561
3562 struct drm_intel_decode *
3563 drm_intel_decode_context_alloc(uint32_t devid)
3564 {
3565         struct drm_intel_decode *ctx;
3566
3567         ctx = calloc(1, sizeof(struct drm_intel_decode));
3568         if (!ctx)
3569                 return NULL;
3570
3571         ctx->devid = devid;
3572         ctx->out = stdout;
3573
3574         return ctx;
3575 }
3576
3577 void
3578 drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3579 {
3580         free(ctx);
3581 }
3582
3583 void
3584 drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3585                                    int dump_past_end)
3586 {
3587         ctx->dump_past_end = !!dump_past_end;
3588 }
3589
3590 void
3591 drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3592                                    void *data, uint32_t hw_offset, int count)
3593 {
3594         ctx->base_data = data;
3595         ctx->base_hw_offset = hw_offset;
3596         ctx->base_count = count;
3597 }
3598
3599 void
3600 drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3601                                uint32_t head, uint32_t tail)
3602 {
3603         ctx->head = head;
3604         ctx->tail = tail;
3605 }
3606
3607 void
3608 drm_intel_decode_set_output_file(struct drm_intel_decode *ctx,
3609                                  FILE *out)
3610 {
3611         ctx->out = out;
3612 }
3613
3614 /**
3615  * Decodes an i830-i915 batch buffer, writing the output to stdout.
3616  *
3617  * \param data batch buffer contents
3618  * \param count number of DWORDs to decode in the batch buffer
3619  * \param hw_offset hardware address for the buffer
3620  */
3621 void
3622 drm_intel_decode(struct drm_intel_decode *ctx)
3623 {
3624         int ret;
3625         unsigned int index = 0;
3626         uint32_t devid;
3627
3628         if (!ctx)
3629                 return;
3630
3631         ctx->data = ctx->base_data;
3632         ctx->hw_offset = ctx->base_hw_offset;
3633         ctx->count = ctx->base_count;
3634
3635         devid = ctx->devid;
3636         head_offset = ctx->head;
3637         tail_offset = ctx->tail;
3638         out = ctx->out;
3639
3640         saved_s2_set = 0;
3641         saved_s4_set = 1;
3642
3643         while (ctx->count > 0) {
3644                 index = 0;
3645
3646                 switch ((ctx->data[index] & 0xe0000000) >> 29) {
3647                 case 0x0:
3648                         ret = decode_mi(ctx);
3649
3650                         /* If MI_BATCHBUFFER_END happened, then dump
3651                          * the rest of the output in case we some day
3652                          * want it in debugging, but don't decode it
3653                          * since it'll just confuse in the common
3654                          * case.
3655                          */
3656                         if (ret == -1) {
3657                                 if (ctx->dump_past_end) {
3658                                         index++;
3659                                 } else {
3660                                         for (index = index + 1; index < ctx->count;
3661                                              index++) {
3662                                                 instr_out(ctx->data,
3663                                                           ctx->hw_offset,
3664                                                           index, "\n");
3665                                         }
3666                                 }
3667                         } else
3668                                 index += ret;
3669                         break;
3670                 case 0x2:
3671                         index += decode_2d(ctx);
3672                         break;
3673                 case 0x3:
3674                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3675                                 index +=
3676                                     decode_3d_965(ctx);
3677                         } else if (IS_GEN3(devid)) {
3678                                 index += decode_3d(ctx);
3679                         } else {
3680                                 index +=
3681                                     decode_3d_i830(ctx);
3682                         }
3683                         break;
3684                 default:
3685                         instr_out(ctx->data, ctx->hw_offset, index,
3686                                   "UNKNOWN\n");
3687                         index++;
3688                         break;
3689                 }
3690                 fflush(out);
3691
3692                 if (ctx->count < index)
3693                         break;
3694
3695                 ctx->count -= index;
3696                 ctx->data += index;
3697                 ctx->hw_offset += 4 * index;
3698         }
3699 }