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
 285 decode_2d_br01(struct drm_intel_decode *ctx)
 286 {
 287         const char *format;
 288         switch ((ctx->data[1] >> 24) & 0x3) {
 289         case 0:
 290                 format = "8";
 291                 break;
 292         case 1:
 293                 format = "565";
 294                 break;
 295         case 2:
 296                 format = "1555";
 297                 break;
 298         case 3:
 299                 format = "8888";
 300                 break;
 301         }
 302
 303         instr_out(ctx->data, ctx->hw_offset, 1,
 304                   "format %s, pitch %d, rop 0x%02x, "
 305                   "clipping %sabled, %s%s \n",
 306                   format,
 307                   (short)(ctx->data[1] & 0xffff),
 308                   (ctx->data[1] >> 16) & 0xff,
 309                   ctx->data[1] & (1 << 30) ? "en" : "dis",
 310                   ctx->data[1] & (1 << 31) ? "solid pattern enabled, " : "",
 311                   ctx->data[1] & (1 << 31) ?
 312                   "mono pattern transparency enabled, " : "");
 313
 314 }
 315
 316 static int
 317 decode_2d(struct drm_intel_decode *ctx)
 318 {
 319         unsigned int opcode, len;
 320         uint32_t *data = ctx->data;
 321         uint32_t hw_offset = ctx->hw_offset;
 322         uint32_t count = ctx->count;
 323
 324         struct {
 325                 uint32_t opcode;
 326                 unsigned int min_len;
 327                 unsigned int max_len;
 328                 const char *name;
 329         } opcodes_2d[] = {
 330                 { 0x40, 5, 5, "COLOR_BLT" },
 331                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 332                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 333                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 334                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 335                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 336                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 337                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 338                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 339                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 340                 { 0x51, 6, 6, "XY_PAT_BLT" },
 341                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 342                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 343                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 344                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 345                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 346                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 347                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 348                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 349                 { 0x55, 9, 9, "XY_FULL_BLT" },
 350                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 351                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 352                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 353                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 354                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 355         };
 356
 357         switch ((data[0] & 0x1fc00000) >> 22) {
 358         case 0x25:
 359                 instr_out(data, hw_offset, 0,
 360                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 361                           (data[0] >> 12) & 0x8,
 362                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 363
 364                 len = (data[0] & 0x000000ff) + 2;
 365                 if (len != 3)
 366                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 367                 if (count < 3)
 368                         BUFFER_FAIL(count, len, "XY_SCANLINES_BLT");
 369
 370                 instr_out(data, hw_offset, 1, "dest (%d,%d)\n",
 371                           data[1] & 0xffff, data[1] >> 16);
 372                 instr_out(data, hw_offset, 2, "dest (%d,%d)\n",
 373                           data[2] & 0xffff, data[2] >> 16);
 374                 return len;
 375         case 0x01:
 376                 decode_2d_br00(ctx, "XY_SETUP_BLT");
 377
 378                 len = (data[0] & 0x000000ff) + 2;
 379                 if (len != 8)
 380                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 381                 if (count < 8)
 382                         BUFFER_FAIL(count, len, "XY_SETUP_BLT");
 383
 384                 decode_2d_br01(ctx);
 385                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 386                           data[2] & 0xffff, data[2] >> 16);
 387                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 388                           data[3] & 0xffff, data[3] >> 16);
 389                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 390                           data[4]);
 391                 instr_out(data, hw_offset, 5, "setup background color\n");
 392                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 393                 instr_out(data, hw_offset, 7, "color pattern offset\n");
 394                 return len;
 395         case 0x03:
 396                 decode_2d_br00(ctx, "XY_SETUP_CLIP_BLT");
 397
 398                 len = (data[0] & 0x000000ff) + 2;
 399                 if (len != 3)
 400                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 401                 if (count < 3)
 402                         BUFFER_FAIL(count, len, "XY_SETUP_CLIP_BLT");
 403
 404                 instr_out(data, hw_offset, 1, "cliprect (%d,%d)\n",
 405                           data[1] & 0xffff, data[2] >> 16);
 406                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 407                           data[2] & 0xffff, data[3] >> 16);
 408                 return len;
 409         case 0x11:
 410                 decode_2d_br00(ctx, "XY_SETUP_MONO_PATTERN_SL_BLT");
 411
 412                 len = (data[0] & 0x000000ff) + 2;
 413                 if (len != 9)
 414                         fprintf(out,
 415                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 416                 if (count < 9)
 417                         BUFFER_FAIL(count, len, "XY_SETUP_MONO_PATTERN_SL_BLT");
 418
 419                 decode_2d_br01(ctx);
 420                 instr_out(data, hw_offset, 2, "cliprect (%d,%d)\n",
 421                           data[2] & 0xffff, data[2] >> 16);
 422                 instr_out(data, hw_offset, 3, "cliprect (%d,%d)\n",
 423                           data[3] & 0xffff, data[3] >> 16);
 424                 instr_out(data, hw_offset, 4, "setup dst offset 0x%08x\n",
 425                           data[4]);
 426                 instr_out(data, hw_offset, 5, "setup background color\n");
 427                 instr_out(data, hw_offset, 6, "setup foreground color\n");
 428                 instr_out(data, hw_offset, 7, "mono pattern dw0\n");
 429                 instr_out(data, hw_offset, 8, "mono pattern dw1\n");
 430                 return len;
 431         case 0x50:
 432                 decode_2d_br00(ctx, "XY_COLOR_BLT");
 433
 434                 len = (data[0] & 0x000000ff) + 2;
 435                 if (len != 6)
 436                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 437                 if (count < 6)
 438                         BUFFER_FAIL(count, len, "XY_COLOR_BLT");
 439
 440                 decode_2d_br01(ctx);
 441                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
 442                           data[2] & 0xffff, data[2] >> 16);
 443                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
 444                           data[3] & 0xffff, data[3] >> 16);
 445                 instr_out(data, hw_offset, 4, "offset 0x%08x\n", data[4]);
 446                 instr_out(data, hw_offset, 5, "color\n");
 447                 return len;
 448         case 0x53:
 449                 decode_2d_br00(ctx, "XY_SRC_COPY_BLT");
 450
 451                 len = (data[0] & 0x000000ff) + 2;
 452                 if (len != 8)
 453                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 454                 if (count < 8)
 455                         BUFFER_FAIL(count, len, "XY_SRC_COPY_BLT");
 456
 457                 decode_2d_br01(ctx);
 458                 instr_out(data, hw_offset, 2, "dst (%d,%d)\n",
 459                           data[2] & 0xffff, data[2] >> 16);
 460                 instr_out(data, hw_offset, 3, "dst (%d,%d)\n",
 461                           data[3] & 0xffff, data[3] >> 16);
 462                 instr_out(data, hw_offset, 4, "dst offset 0x%08x\n", data[4]);
 463                 instr_out(data, hw_offset, 5, "src (%d,%d)\n",
 464                           data[5] & 0xffff, data[5] >> 16);
 465                 instr_out(data, hw_offset, 6, "src pitch %d\n",
 466                           (short)(data[6] & 0xffff));
 467                 instr_out(data, hw_offset, 7, "src offset 0x%08x\n", data[7]);
 468                 return len;
 469         }
 470
 471         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 472              opcode++) {
 473                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 474                         unsigned int i;
 475
 476                         len = 1;
 477                         instr_out(data, hw_offset, 0, "%s\n",
 478                                   opcodes_2d[opcode].name);
 479                         if (opcodes_2d[opcode].max_len > 1) {
 480                                 len = (data[0] & 0x000000ff) + 2;
 481                                 if (len < opcodes_2d[opcode].min_len ||
 482                                     len > opcodes_2d[opcode].max_len) {
 483                                         fprintf(out, "Bad count in %s\n",
 484                                                 opcodes_2d[opcode].name);
 485                                 }
 486                         }
 487
 488                         for (i = 1; i < len; i++) {
 489                                 if (i >= count)
 490                                         BUFFER_FAIL(count, len,
 491                                                     opcodes_2d[opcode].name);
 492                                 instr_out(data, hw_offset, i, "dword %d\n", i);
 493                         }
 494
 495                         return len;
 496                 }
 497         }
 498
 499         instr_out(data, hw_offset, 0, "2D UNKNOWN\n");
 500         return 1;
 501 }
 502
 503 static int
 504 decode_3d_1c(struct drm_intel_decode *ctx)
 505 {
 506         uint32_t *data = ctx->data;
 507         uint32_t hw_offset = ctx->hw_offset;
 508         uint32_t opcode;
 509
 510         opcode = (data[0] & 0x00f80000) >> 19;
 511
 512         switch (opcode) {
 513         case 0x11:
 514                 instr_out(data, hw_offset, 0,
 515                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 516                 return 1;
 517         case 0x10:
 518                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 519                           data[0] & 1 ? "enabled" : "disabled");
 520                 return 1;
 521         case 0x01:
 522                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 523                 return 1;
 524         case 0x0a:
 525                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_CUBE_I830\n");
 526                 return 1;
 527         case 0x05:
 528                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 529                 return 1;
 530         }
 531
 532         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 533                   opcode);
 534         return 1;
 535 }
 536
 537 /** Sets the string dstname to describe the destination of the PS instruction */
 538 static void
 539 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 540 {
 541         uint32_t a0 = data[i];
 542         int dst_nr = (a0 >> 14) & 0xf;
 543         char dstmask[8];
 544         const char *sat;
 545
 546         if (do_mask) {
 547                 if (((a0 >> 10) & 0xf) == 0xf) {
 548                         dstmask[0] = 0;
 549                 } else {
 550                         int dstmask_index = 0;
 551
 552                         dstmask[dstmask_index++] = '.';
 553                         if (a0 & (1 << 10))
 554                                 dstmask[dstmask_index++] = 'x';
 555                         if (a0 & (1 << 11))
 556                                 dstmask[dstmask_index++] = 'y';
 557                         if (a0 & (1 << 12))
 558                                 dstmask[dstmask_index++] = 'z';
 559                         if (a0 & (1 << 13))
 560                                 dstmask[dstmask_index++] = 'w';
 561                         dstmask[dstmask_index++] = 0;
 562                 }
 563
 564                 if (a0 & (1 << 22))
 565                         sat = ".sat";
 566                 else
 567                         sat = "";
 568         } else {
 569                 dstmask[0] = 0;
 570                 sat = "";
 571         }
 572
 573         switch ((a0 >> 19) & 0x7) {
 574         case 0:
 575                 if (dst_nr > 15)
 576                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 577                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 578                 break;
 579         case 4:
 580                 if (dst_nr > 0)
 581                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 582                 sprintf(dstname, "oC%s%s", dstmask, sat);
 583                 break;
 584         case 5:
 585                 if (dst_nr > 0)
 586                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 587                 sprintf(dstname, "oD%s%s", dstmask, sat);
 588                 break;
 589         case 6:
 590                 if (dst_nr > 3)
 591                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 592                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 593                 break;
 594         default:
 595                 sprintf(dstname, "RESERVED");
 596                 break;
 597         }
 598 }
 599
 600 static const char *
 601 i915_get_channel_swizzle(uint32_t select)
 602 {
 603         switch (select & 0x7) {
 604         case 0:
 605                 return (select & 8) ? "-x" : "x";
 606         case 1:
 607                 return (select & 8) ? "-y" : "y";
 608         case 2:
 609                 return (select & 8) ? "-z" : "z";
 610         case 3:
 611                 return (select & 8) ? "-w" : "w";
 612         case 4:
 613                 return (select & 8) ? "-0" : "0";
 614         case 5:
 615                 return (select & 8) ? "-1" : "1";
 616         default:
 617                 return (select & 8) ? "-bad" : "bad";
 618         }
 619 }
 620
 621 static void
 622 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 623 {
 624         switch (src_type) {
 625         case 0:
 626                 sprintf(name, "R%d", src_nr);
 627                 if (src_nr > 15)
 628                         fprintf(out, "bad src reg %s\n", name);
 629                 break;
 630         case 1:
 631                 if (src_nr < 8)
 632                         sprintf(name, "T%d", src_nr);
 633                 else if (src_nr == 8)
 634                         sprintf(name, "DIFFUSE");
 635                 else if (src_nr == 9)
 636                         sprintf(name, "SPECULAR");
 637                 else if (src_nr == 10)
 638                         sprintf(name, "FOG");
 639                 else {
 640                         fprintf(out, "bad src reg T%d\n", src_nr);
 641                         sprintf(name, "RESERVED");
 642                 }
 643                 break;
 644         case 2:
 645                 sprintf(name, "C%d", src_nr);
 646                 if (src_nr > 31)
 647                         fprintf(out, "bad src reg %s\n", name);
 648                 break;
 649         case 4:
 650                 sprintf(name, "oC");
 651                 if (src_nr > 0)
 652                         fprintf(out, "bad src reg oC%d\n", src_nr);
 653                 break;
 654         case 5:
 655                 sprintf(name, "oD");
 656                 if (src_nr > 0)
 657                         fprintf(out, "bad src reg oD%d\n", src_nr);
 658                 break;
 659         case 6:
 660                 sprintf(name, "U%d", src_nr);
 661                 if (src_nr > 3)
 662                         fprintf(out, "bad src reg %s\n", name);
 663                 break;
 664         default:
 665                 fprintf(out, "bad src reg type %d\n", src_type);
 666                 sprintf(name, "RESERVED");
 667                 break;
 668         }
 669 }
 670
 671 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 672 {
 673         uint32_t a0 = data[i];
 674         uint32_t a1 = data[i + 1];
 675         int src_nr = (a0 >> 2) & 0x1f;
 676         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 677         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 678         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 679         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 680         char swizzle[100];
 681
 682         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 683         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 684                 swizzle_w);
 685         if (strcmp(swizzle, ".xyzw") != 0)
 686                 strcat(srcname, swizzle);
 687 }
 688
 689 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 690 {
 691         uint32_t a1 = data[i + 1];
 692         uint32_t a2 = data[i + 2];
 693         int src_nr = (a1 >> 8) & 0x1f;
 694         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 695         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 696         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 697         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 698         char swizzle[100];
 699
 700         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 701         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 702                 swizzle_w);
 703         if (strcmp(swizzle, ".xyzw") != 0)
 704                 strcat(srcname, swizzle);
 705 }
 706
 707 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 708 {
 709         uint32_t a2 = data[i + 2];
 710         int src_nr = (a2 >> 16) & 0x1f;
 711         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 712         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 713         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 714         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 715         char swizzle[100];
 716
 717         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 718         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 719                 swizzle_w);
 720         if (strcmp(swizzle, ".xyzw") != 0)
 721                 strcat(srcname, swizzle);
 722 }
 723
 724 static void
 725 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 726 {
 727         switch (src_type) {
 728         case 0:
 729                 sprintf(name, "R%d", src_nr);
 730                 if (src_nr > 15)
 731                         fprintf(out, "bad src reg %s\n", name);
 732                 break;
 733         case 1:
 734                 if (src_nr < 8)
 735                         sprintf(name, "T%d", src_nr);
 736                 else if (src_nr == 8)
 737                         sprintf(name, "DIFFUSE");
 738                 else if (src_nr == 9)
 739                         sprintf(name, "SPECULAR");
 740                 else if (src_nr == 10)
 741                         sprintf(name, "FOG");
 742                 else {
 743                         fprintf(out, "bad src reg T%d\n", src_nr);
 744                         sprintf(name, "RESERVED");
 745                 }
 746                 break;
 747         case 4:
 748                 sprintf(name, "oC");
 749                 if (src_nr > 0)
 750                         fprintf(out, "bad src reg oC%d\n", src_nr);
 751                 break;
 752         case 5:
 753                 sprintf(name, "oD");
 754                 if (src_nr > 0)
 755                         fprintf(out, "bad src reg oD%d\n", src_nr);
 756                 break;
 757         default:
 758                 fprintf(out, "bad src reg type %d\n", src_type);
 759                 sprintf(name, "RESERVED");
 760                 break;
 761         }
 762 }
 763
 764 static void
 765 i915_decode_alu1(uint32_t *data, uint32_t hw_offset,
 766                  int i, char *instr_prefix, const char *op_name)
 767 {
 768         char dst[100], src0[100];
 769
 770         i915_get_instruction_dst(data, i, dst, 1);
 771         i915_get_instruction_src0(data, i, src0);
 772
 773         instr_out(data, hw_offset, i++, "%s: %s %s, %s\n", instr_prefix,
 774                   op_name, dst, src0);
 775         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 776         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 777 }
 778
 779 static void
 780 i915_decode_alu2(uint32_t *data, uint32_t hw_offset,
 781                  int i, char *instr_prefix, const char *op_name)
 782 {
 783         char dst[100], src0[100], src1[100];
 784
 785         i915_get_instruction_dst(data, i, dst, 1);
 786         i915_get_instruction_src0(data, i, src0);
 787         i915_get_instruction_src1(data, i, src1);
 788
 789         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 790                   op_name, dst, src0, src1);
 791         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 792         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 793 }
 794
 795 static void
 796 i915_decode_alu3(uint32_t *data, uint32_t hw_offset,
 797                  int i, char *instr_prefix, const char *op_name)
 798 {
 799         char dst[100], src0[100], src1[100], src2[100];
 800
 801         i915_get_instruction_dst(data, i, dst, 1);
 802         i915_get_instruction_src0(data, i, src0);
 803         i915_get_instruction_src1(data, i, src1);
 804         i915_get_instruction_src2(data, i, src2);
 805
 806         instr_out(data, hw_offset, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 807                   op_name, dst, src0, src1, src2);
 808         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 809         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 810 }
 811
 812 static void
 813 i915_decode_tex(uint32_t *data, uint32_t hw_offset, int i,
 814                 const char *instr_prefix, const char *tex_name)
 815 {
 816         uint32_t t0 = data[i];
 817         uint32_t t1 = data[i + 1];
 818         char dst_name[100];
 819         char addr_name[100];
 820         int sampler_nr;
 821
 822         i915_get_instruction_dst(data, i, dst_name, 0);
 823         i915_get_instruction_addr((t1 >> 24) & 0x7,
 824                                   (t1 >> 17) & 0xf, addr_name);
 825         sampler_nr = t0 & 0xf;
 826
 827         instr_out(data, hw_offset, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 828                   tex_name, dst_name, sampler_nr, addr_name);
 829         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 830         instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 831 }
 832
 833 static void
 834 i915_decode_dcl(uint32_t *data, uint32_t hw_offset, int i, char *instr_prefix)
 835 {
 836         uint32_t d0 = data[i];
 837         const char *sampletype;
 838         int dcl_nr = (d0 >> 14) & 0xf;
 839         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 840         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 841         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 842         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 843         char dcl_mask[10];
 844
 845         switch ((d0 >> 19) & 0x3) {
 846         case 1:
 847                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 848                 if (strcmp(dcl_mask, ".") == 0)
 849                         fprintf(out, "bad (empty) dcl mask\n");
 850
 851                 if (dcl_nr > 10)
 852                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 853                 if (dcl_nr < 8) {
 854                         if (strcmp(dcl_mask, ".x") != 0 &&
 855                             strcmp(dcl_mask, ".xy") != 0 &&
 856                             strcmp(dcl_mask, ".xz") != 0 &&
 857                             strcmp(dcl_mask, ".w") != 0 &&
 858                             strcmp(dcl_mask, ".xyzw") != 0) {
 859                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 860                                         dcl_mask);
 861                         }
 862                         instr_out(data, hw_offset, i++, "%s: DCL T%d%s\n",
 863                                   instr_prefix, dcl_nr, dcl_mask);
 864                 } else {
 865                         if (strcmp(dcl_mask, ".xz") == 0)
 866                                 fprintf(out, "errataed bad dcl mask %s\n",
 867                                         dcl_mask);
 868                         else if (strcmp(dcl_mask, ".xw") == 0)
 869                                 fprintf(out, "errataed bad dcl mask %s\n",
 870                                         dcl_mask);
 871                         else if (strcmp(dcl_mask, ".xzw") == 0)
 872                                 fprintf(out, "errataed bad dcl mask %s\n",
 873                                         dcl_mask);
 874
 875                         if (dcl_nr == 8) {
 876                                 instr_out(data, hw_offset, i++,
 877                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 878                                           dcl_mask);
 879                         } else if (dcl_nr == 9) {
 880                                 instr_out(data, hw_offset, i++,
 881                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 882                                           dcl_mask);
 883                         } else if (dcl_nr == 10) {
 884                                 instr_out(data, hw_offset, i++,
 885                                           "%s: DCL FOG%s\n", instr_prefix,
 886                                           dcl_mask);
 887                         }
 888                 }
 889                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 890                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 891                 break;
 892         case 3:
 893                 switch ((d0 >> 22) & 0x3) {
 894                 case 0:
 895                         sampletype = "2D";
 896                         break;
 897                 case 1:
 898                         sampletype = "CUBE";
 899                         break;
 900                 case 2:
 901                         sampletype = "3D";
 902                         break;
 903                 default:
 904                         sampletype = "RESERVED";
 905                         break;
 906                 }
 907                 if (dcl_nr > 15)
 908                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 909                 instr_out(data, hw_offset, i++, "%s: DCL S%d %s\n",
 910                           instr_prefix, dcl_nr, sampletype);
 911                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 912                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 913                 break;
 914         default:
 915                 instr_out(data, hw_offset, i++, "%s: DCL RESERVED%d\n",
 916                           instr_prefix, dcl_nr);
 917                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 918                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 919         }
 920 }
 921
 922 static void
 923 i915_decode_instruction(uint32_t *data, uint32_t hw_offset,
 924                         int i, char *instr_prefix)
 925 {
 926         switch ((data[i] >> 24) & 0x1f) {
 927         case 0x0:
 928                 instr_out(data, hw_offset, i++, "%s: NOP\n", instr_prefix);
 929                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 930                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
 931                 break;
 932         case 0x01:
 933                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "ADD");
 934                 break;
 935         case 0x02:
 936                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOV");
 937                 break;
 938         case 0x03:
 939                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MUL");
 940                 break;
 941         case 0x04:
 942                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "MAD");
 943                 break;
 944         case 0x05:
 945                 i915_decode_alu3(data, hw_offset, i, instr_prefix, "DP2ADD");
 946                 break;
 947         case 0x06:
 948                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP3");
 949                 break;
 950         case 0x07:
 951                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "DP4");
 952                 break;
 953         case 0x08:
 954                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FRC");
 955                 break;
 956         case 0x09:
 957                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RCP");
 958                 break;
 959         case 0x0a:
 960                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "RSQ");
 961                 break;
 962         case 0x0b:
 963                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "EXP");
 964                 break;
 965         case 0x0c:
 966                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "LOG");
 967                 break;
 968         case 0x0d:
 969                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "CMP");
 970                 break;
 971         case 0x0e:
 972                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MIN");
 973                 break;
 974         case 0x0f:
 975                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "MAX");
 976                 break;
 977         case 0x10:
 978                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "FLR");
 979                 break;
 980         case 0x11:
 981                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "MOD");
 982                 break;
 983         case 0x12:
 984                 i915_decode_alu1(data, hw_offset, i, instr_prefix, "TRC");
 985                 break;
 986         case 0x13:
 987                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SGE");
 988                 break;
 989         case 0x14:
 990                 i915_decode_alu2(data, hw_offset, i, instr_prefix, "SLT");
 991                 break;
 992         case 0x15:
 993                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLD");
 994                 break;
 995         case 0x16:
 996                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDP");
 997                 break;
 998         case 0x17:
 999                 i915_decode_tex(data, hw_offset, i, instr_prefix, "TEXLDB");
1000                 break;
1001         case 0x19:
1002                 i915_decode_dcl(data, hw_offset, i, instr_prefix);
1003                 break;
1004         default:
1005                 instr_out(data, hw_offset, i++, "%s: unknown\n", instr_prefix);
1006                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
1007                 instr_out(data, hw_offset, i++, "%s\n", instr_prefix);
1008                 break;
1009         }
1010 }
1011
1012 static const char *
1013 decode_compare_func(uint32_t op)
1014 {
1015         switch (op & 0x7) {
1016         case 0:
1017                 return "always";
1018         case 1:
1019                 return "never";
1020         case 2:
1021                 return "less";
1022         case 3:
1023                 return "equal";
1024         case 4:
1025                 return "lequal";
1026         case 5:
1027                 return "greater";
1028         case 6:
1029                 return "notequal";
1030         case 7:
1031                 return "gequal";
1032         }
1033         return "";
1034 }
1035
1036 static const char *
1037 decode_stencil_op(uint32_t op)
1038 {
1039         switch (op & 0x7) {
1040         case 0:
1041                 return "keep";
1042         case 1:
1043                 return "zero";
1044         case 2:
1045                 return "replace";
1046         case 3:
1047                 return "incr_sat";
1048         case 4:
1049                 return "decr_sat";
1050         case 5:
1051                 return "greater";
1052         case 6:
1053                 return "incr";
1054         case 7:
1055                 return "decr";
1056         }
1057         return "";
1058 }
1059
1060 #if 0
1061 static const char *
1062 decode_logic_op(uint32_t op)
1063 {
1064         switch (op & 0xf) {
1065         case 0:
1066                 return "clear";
1067         case 1:
1068                 return "nor";
1069         case 2:
1070                 return "and_inv";
1071         case 3:
1072                 return "copy_inv";
1073         case 4:
1074                 return "and_rvrse";
1075         case 5:
1076                 return "inv";
1077         case 6:
1078                 return "xor";
1079         case 7:
1080                 return "nand";
1081         case 8:
1082                 return "and";
1083         case 9:
1084                 return "equiv";
1085         case 10:
1086                 return "noop";
1087         case 11:
1088                 return "or_inv";
1089         case 12:
1090                 return "copy";
1091         case 13:
1092                 return "or_rvrse";
1093         case 14:
1094                 return "or";
1095         case 15:
1096                 return "set";
1097         }
1098         return "";
1099 }
1100 #endif
1101
1102 static const char *
1103 decode_blend_fact(uint32_t op)
1104 {
1105         switch (op & 0xf) {
1106         case 1:
1107                 return "zero";
1108         case 2:
1109                 return "one";
1110         case 3:
1111                 return "src_colr";
1112         case 4:
1113                 return "inv_src_colr";
1114         case 5:
1115                 return "src_alpha";
1116         case 6:
1117                 return "inv_src_alpha";
1118         case 7:
1119                 return "dst_alpha";
1120         case 8:
1121                 return "inv_dst_alpha";
1122         case 9:
1123                 return "dst_colr";
1124         case 10:
1125                 return "inv_dst_colr";
1126         case 11:
1127                 return "src_alpha_sat";
1128         case 12:
1129                 return "cnst_colr";
1130         case 13:
1131                 return "inv_cnst_colr";
1132         case 14:
1133                 return "cnst_alpha";
1134         case 15:
1135                 return "inv_const_alpha";
1136         }
1137         return "";
1138 }
1139
1140 static const char *
1141 decode_tex_coord_mode(uint32_t mode)
1142 {
1143         switch (mode & 0x7) {
1144         case 0:
1145                 return "wrap";
1146         case 1:
1147                 return "mirror";
1148         case 2:
1149                 return "clamp_edge";
1150         case 3:
1151                 return "cube";
1152         case 4:
1153                 return "clamp_border";
1154         case 5:
1155                 return "mirror_once";
1156         }
1157         return "";
1158 }
1159
1160 static const char *
1161 decode_sample_filter(uint32_t mode)
1162 {
1163         switch (mode & 0x7) {
1164         case 0:
1165                 return "nearest";
1166         case 1:
1167                 return "linear";
1168         case 2:
1169                 return "anisotropic";
1170         case 3:
1171                 return "4x4_1";
1172         case 4:
1173                 return "4x4_2";
1174         case 5:
1175                 return "4x4_flat";
1176         case 6:
1177                 return "6x5_mono";
1178         }
1179         return "";
1180 }
1181
1182 static int
1183 decode_3d_1d(struct drm_intel_decode *ctx)
1184 {
1185         unsigned int len, i, c, idx, word, map, sampler, instr;
1186         const char *format, *zformat, *type;
1187         uint32_t opcode;
1188         uint32_t hw_offset = ctx->hw_offset;
1189         uint32_t *data = ctx->data;
1190         uint32_t count = ctx->count;
1191         uint32_t devid = ctx->devid;
1192
1193         struct {
1194                 uint32_t opcode;
1195                 int i830_only;
1196                 unsigned int min_len;
1197                 unsigned int max_len;
1198                 const char *name;
1199         } opcodes_3d_1d[] = {
1200                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1201                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1202                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1203                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1204                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1205                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1206                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1207                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1208                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1209                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1210                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1211                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1212                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1213                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1214                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1215                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1216         }, *opcode_3d_1d;
1217
1218         opcode = (data[0] & 0x00ff0000) >> 16;
1219
1220         switch (opcode) {
1221         case 0x07:
1222                 /* This instruction is unusual.  A 0 length means just
1223                  * 1 DWORD instead of 2.  The 0 length is specified in
1224                  * one place to be unsupported, but stated to be
1225                  * required in another, and 0 length LOAD_INDIRECTs
1226                  * appear to cause no harm at least.
1227                  */
1228                 instr_out(data, hw_offset, 0, "3DSTATE_LOAD_INDIRECT\n");
1229                 len = (data[0] & 0x000000ff) + 1;
1230                 i = 1;
1231                 if (data[0] & (0x01 << 8)) {
1232                         if (i + 2 >= count)
1233                                 BUFFER_FAIL(count, len,
1234                                             "3DSTATE_LOAD_INDIRECT");
1235                         instr_out(data, hw_offset, i++, "SIS.0\n");
1236                         instr_out(data, hw_offset, i++, "SIS.1\n");
1237                 }
1238                 if (data[0] & (0x02 << 8)) {
1239                         if (i + 1 >= count)
1240                                 BUFFER_FAIL(count, len,
1241                                             "3DSTATE_LOAD_INDIRECT");
1242                         instr_out(data, hw_offset, i++, "DIS.0\n");
1243                 }
1244                 if (data[0] & (0x04 << 8)) {
1245                         if (i + 2 >= count)
1246                                 BUFFER_FAIL(count, len,
1247                                             "3DSTATE_LOAD_INDIRECT");
1248                         instr_out(data, hw_offset, i++, "SSB.0\n");
1249                         instr_out(data, hw_offset, i++, "SSB.1\n");
1250                 }
1251                 if (data[0] & (0x08 << 8)) {
1252                         if (i + 2 >= count)
1253                                 BUFFER_FAIL(count, len,
1254                                             "3DSTATE_LOAD_INDIRECT");
1255                         instr_out(data, hw_offset, i++, "MSB.0\n");
1256                         instr_out(data, hw_offset, i++, "MSB.1\n");
1257                 }
1258                 if (data[0] & (0x10 << 8)) {
1259                         if (i + 2 >= count)
1260                                 BUFFER_FAIL(count, len,
1261                                             "3DSTATE_LOAD_INDIRECT");
1262                         instr_out(data, hw_offset, i++, "PSP.0\n");
1263                         instr_out(data, hw_offset, i++, "PSP.1\n");
1264                 }
1265                 if (data[0] & (0x20 << 8)) {
1266                         if (i + 2 >= count)
1267                                 BUFFER_FAIL(count, len,
1268                                             "3DSTATE_LOAD_INDIRECT");
1269                         instr_out(data, hw_offset, i++, "PSC.0\n");
1270                         instr_out(data, hw_offset, i++, "PSC.1\n");
1271                 }
1272                 if (len != i) {
1273                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1274                         return len;
1275                 }
1276                 return len;
1277         case 0x04:
1278                 instr_out(data, hw_offset, 0,
1279                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1280                 len = (data[0] & 0x0000000f) + 2;
1281                 i = 1;
1282                 for (word = 0; word <= 8; word++) {
1283                         if (data[0] & (1 << (4 + word))) {
1284                                 if (i >= count)
1285                                         BUFFER_FAIL(count, len,
1286                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_1");
1287
1288                                 /* save vertex state for decode */
1289                                 if (!IS_GEN2(devid)) {
1290                                         int tex_num;
1291
1292                                         if (word == 2) {
1293                                                 saved_s2_set = 1;
1294                                                 saved_s2 = data[i];
1295                                         }
1296                                         if (word == 4) {
1297                                                 saved_s4_set = 1;
1298                                                 saved_s4 = data[i];
1299                                         }
1300
1301                                         switch (word) {
1302                                         case 0:
1303                                                 instr_out(data, hw_offset, i,
1304                                                           "S0: vbo offset: 0x%08x%s\n",
1305                                                           data[i] & (~1),
1306                                                           data[i] & 1 ?
1307                                                           ", auto cache invalidate disabled"
1308                                                           : "");
1309                                                 break;
1310                                         case 1:
1311                                                 instr_out(data, hw_offset, i,
1312                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1313                                                           (data[i] >> 24) &
1314                                                           0x3f,
1315                                                           (data[i] >> 16) &
1316                                                           0x3f);
1317                                                 break;
1318                                         case 2:
1319                                                 instr_out(data, hw_offset, i,
1320                                                           "S2: texcoord formats: ");
1321                                                 for (tex_num = 0;
1322                                                      tex_num < 8; tex_num++) {
1323                                                         switch ((data[i] >>
1324                                                                  tex_num *
1325                                                                  4) & 0xf) {
1326                                                         case 0:
1327                                                                 fprintf(out,
1328                                                                         "%i=2D ",
1329                                                                         tex_num);
1330                                                                 break;
1331                                                         case 1:
1332                                                                 fprintf(out,
1333                                                                         "%i=3D ",
1334                                                                         tex_num);
1335                                                                 break;
1336                                                         case 2:
1337                                                                 fprintf(out,
1338                                                                         "%i=4D ",
1339                                                                         tex_num);
1340                                                                 break;
1341                                                         case 3:
1342                                                                 fprintf(out,
1343                                                                         "%i=1D ",
1344                                                                         tex_num);
1345                                                                 break;
1346                                                         case 4:
1347                                                                 fprintf(out,
1348                                                                         "%i=2D_16 ",
1349                                                                         tex_num);
1350                                                                 break;
1351                                                         case 5:
1352                                                                 fprintf(out,
1353                                                                         "%i=4D_16 ",
1354                                                                         tex_num);
1355                                                                 break;
1356                                                         case 0xf:
1357                                                                 fprintf(out,
1358                                                                         "%i=NP ",
1359                                                                         tex_num);
1360                                                                 break;
1361                                                         }
1362                                                 }
1363                                                 fprintf(out, "\n");
1364
1365                                                 break;
1366                                         case 3:
1367                                                 instr_out(data, hw_offset, i,
1368                                                           "S3: not documented\n");
1369                                                 break;
1370                                         case 4:
1371                                                 {
1372                                                         const char *cullmode = "";
1373                                                         const char *vfmt_xyzw = "";
1374                                                         switch ((data[i] >> 13)
1375                                                                 & 0x3) {
1376                                                         case 0:
1377                                                                 cullmode =
1378                                                                     "both";
1379                                                                 break;
1380                                                         case 1:
1381                                                                 cullmode =
1382                                                                     "none";
1383                                                                 break;
1384                                                         case 2:
1385                                                                 cullmode = "cw";
1386                                                                 break;
1387                                                         case 3:
1388                                                                 cullmode =
1389                                                                     "ccw";
1390                                                                 break;
1391                                                         }
1392                                                         switch (data[i] &
1393                                                                 (7 << 6 | 1 <<
1394                                                                  2)) {
1395                                                         case 1 << 6:
1396                                                                 vfmt_xyzw =
1397                                                                     "XYZ,";
1398                                                                 break;
1399                                                         case 2 << 6:
1400                                                                 vfmt_xyzw =
1401                                                                     "XYZW,";
1402                                                                 break;
1403                                                         case 3 << 6:
1404                                                                 vfmt_xyzw =
1405                                                                     "XY,";
1406                                                                 break;
1407                                                         case 4 << 6:
1408                                                                 vfmt_xyzw =
1409                                                                     "XYW,";
1410                                                                 break;
1411                                                         case 1 << 6 | 1 << 2:
1412                                                                 vfmt_xyzw =
1413                                                                     "XYZF,";
1414                                                                 break;
1415                                                         case 2 << 6 | 1 << 2:
1416                                                                 vfmt_xyzw =
1417                                                                     "XYZWF,";
1418                                                                 break;
1419                                                         case 3 << 6 | 1 << 2:
1420                                                                 vfmt_xyzw =
1421                                                                     "XYF,";
1422                                                                 break;
1423                                                         case 4 << 6 | 1 << 2:
1424                                                                 vfmt_xyzw =
1425                                                                     "XYWF,";
1426                                                                 break;
1427                                                         }
1428                                                         instr_out(data,
1429                                                                   hw_offset, i,
1430                                                                   "S4: point_width=%i, line_width=%.1f,"
1431                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1432                                                                   "%s%s%s%s%s\n",
1433                                                                   (data[i] >>
1434                                                                    23) & 0x1ff,
1435                                                                   ((data[i] >>
1436                                                                     19) & 0xf) /
1437                                                                   2.0,
1438                                                                   data[i] & (0xf
1439                                                                              <<
1440                                                                              15)
1441                                                                   ?
1442                                                                   " flatshade="
1443                                                                   : "",
1444                                                                   data[i] & (1
1445                                                                              <<
1446                                                                              18)
1447                                                                   ? "Alpha," :
1448                                                                   "",
1449                                                                   data[i] & (1
1450                                                                              <<
1451                                                                              17)
1452                                                                   ? "Fog," : "",
1453                                                                   data[i] & (1
1454                                                                              <<
1455                                                                              16)
1456                                                                   ? "Specular,"
1457                                                                   : "",
1458                                                                   data[i] & (1
1459                                                                              <<
1460                                                                              15)
1461                                                                   ? "Color," :
1462                                                                   "", cullmode,
1463                                                                   data[i] & (1
1464                                                                              <<
1465                                                                              12)
1466                                                                   ?
1467                                                                   "PointWidth,"
1468                                                                   : "",
1469                                                                   data[i] & (1
1470                                                                              <<
1471                                                                              11)
1472                                                                   ? "SpecFog," :
1473                                                                   "",
1474                                                                   data[i] & (1
1475                                                                              <<
1476                                                                              10)
1477                                                                   ? "Color," :
1478                                                                   "",
1479                                                                   data[i] & (1
1480                                                                              <<
1481                                                                              9)
1482                                                                   ? "DepthOfs,"
1483                                                                   : "",
1484                                                                   vfmt_xyzw,
1485                                                                   data[i] & (1
1486                                                                              <<
1487                                                                              9)
1488                                                                   ? "FogParam,"
1489                                                                   : "",
1490                                                                   data[i] & (1
1491                                                                              <<
1492                                                                              5)
1493                                                                   ?
1494                                                                   "force default diffuse, "
1495                                                                   : "",
1496                                                                   data[i] & (1
1497                                                                              <<
1498                                                                              4)
1499                                                                   ?
1500                                                                   "force default specular, "
1501                                                                   : "",
1502                                                                   data[i] & (1
1503                                                                              <<
1504                                                                              3)
1505                                                                   ?
1506                                                                   "local depth ofs enable, "
1507                                                                   : "",
1508                                                                   data[i] & (1
1509                                                                              <<
1510                                                                              1)
1511                                                                   ?
1512                                                                   "point sprite enable, "
1513                                                                   : "",
1514                                                                   data[i] & (1
1515                                                                              <<
1516                                                                              0)
1517                                                                   ?
1518                                                                   "line AA enable, "
1519                                                                   : "");
1520                                                         break;
1521                                                 }
1522                                         case 5:
1523                                                 {
1524                                                         instr_out(data,
1525                                                                   hw_offset, i,
1526                                                                   "S5:%s%s%s%s%s"
1527                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1528                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1529                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1530                                                                   data[i] & (0xf
1531                                                                              <<
1532                                                                              28)
1533                                                                   ?
1534                                                                   " write_disable="
1535                                                                   : "",
1536                                                                   data[i] & (1
1537                                                                              <<
1538                                                                              31)
1539                                                                   ? "Alpha," :
1540                                                                   "",
1541                                                                   data[i] & (1
1542                                                                              <<
1543                                                                              30)
1544                                                                   ? "Red," : "",
1545                                                                   data[i] & (1
1546                                                                              <<
1547                                                                              29)
1548                                                                   ? "Green," :
1549                                                                   "",
1550                                                                   data[i] & (1
1551                                                                              <<
1552                                                                              28)
1553                                                                   ? "Blue," :
1554                                                                   "",
1555                                                                   data[i] & (1
1556                                                                              <<
1557                                                                              27)
1558                                                                   ?
1559                                                                   " force default point size,"
1560                                                                   : "",
1561                                                                   data[i] & (1
1562                                                                              <<
1563                                                                              26)
1564                                                                   ?
1565                                                                   " last pixel enable,"
1566                                                                   : "",
1567                                                                   data[i] & (1
1568                                                                              <<
1569                                                                              25)
1570                                                                   ?
1571                                                                   " global depth ofs enable,"
1572                                                                   : "",
1573                                                                   data[i] & (1
1574                                                                              <<
1575                                                                              24)
1576                                                                   ?
1577                                                                   " fog enable,"
1578                                                                   : "",
1579                                                                   (data[i] >>
1580                                                                    16) & 0xff,
1581                                                                   decode_compare_func
1582                                                                   (data[i] >>
1583                                                                    13),
1584                                                                   decode_stencil_op
1585                                                                   (data[i] >>
1586                                                                    10),
1587                                                                   decode_stencil_op
1588                                                                   (data[i] >>
1589                                                                    7),
1590                                                                   decode_stencil_op
1591                                                                   (data[i] >>
1592                                                                    4),
1593                                                                   data[i] & (1
1594                                                                              <<
1595                                                                              3)
1596                                                                   ?
1597                                                                   "stencil write enable, "
1598                                                                   : "",
1599                                                                   data[i] & (1
1600                                                                              <<
1601                                                                              2)
1602                                                                   ?
1603                                                                   "stencil test enable, "
1604                                                                   : "",
1605                                                                   data[i] & (1
1606                                                                              <<
1607                                                                              1)
1608                                                                   ?
1609                                                                   "color dither enable, "
1610                                                                   : "",
1611                                                                   data[i] & (1
1612                                                                              <<
1613                                                                              0)
1614                                                                   ?
1615                                                                   "logicop enable, "
1616                                                                   : "");
1617                                                 }
1618                                                 break;
1619                                         case 6:
1620                                                 instr_out(data, hw_offset, i,
1621                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1622                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1623                                                           "%s%stristrip_provoking_vertex=%i\n",
1624                                                           data[i] & (1 << 31) ?
1625                                                           "alpha test enable, "
1626                                                           : "",
1627                                                           decode_compare_func
1628                                                           (data[i] >> 28),
1629                                                           data[i] & (0xff <<
1630                                                                      20),
1631                                                           decode_compare_func
1632                                                           (data[i] >> 16),
1633                                                           data[i] & (1 << 15) ?
1634                                                           "cbuf blend enable, "
1635                                                           : "",
1636                                                           decode_blend_fact(data
1637                                                                             [i]
1638                                                                             >>
1639                                                                             8),
1640                                                           decode_blend_fact(data
1641                                                                             [i]
1642                                                                             >>
1643                                                                             4),
1644                                                           data[i] & (1 << 3) ?
1645                                                           "depth write enable, "
1646                                                           : "",
1647                                                           data[i] & (1 << 2) ?
1648                                                           "cbuf write enable, "
1649                                                           : "",
1650                                                           data[i] & (0x3));
1651                                                 break;
1652                                         case 7:
1653                                                 instr_out(data, hw_offset, i,
1654                                                           "S7: depth offset constant: 0x%08x\n",
1655                                                           data[i]);
1656                                                 break;
1657                                         }
1658                                 } else {
1659                                         instr_out(data, hw_offset, i,
1660                                                   "S%d: 0x%08x\n", i, data[i]);
1661                                 }
1662                                 i++;
1663                         }
1664                 }
1665                 if (len != i) {
1666                         fprintf(out,
1667                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1668                 }
1669                 return len;
1670         case 0x03:
1671                 instr_out(data, hw_offset, 0,
1672                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1673                 len = (data[0] & 0x0000000f) + 2;
1674                 i = 1;
1675                 for (word = 6; word <= 14; word++) {
1676                         if (data[0] & (1 << word)) {
1677                                 if (i >= count)
1678                                         BUFFER_FAIL(count, len,
1679                                                     "3DSTATE_LOAD_STATE_IMMEDIATE_2");
1680
1681                                 if (word == 6)
1682                                         instr_out(data, hw_offset, i++,
1683                                                   "TBCF\n");
1684                                 else if (word >= 7 && word <= 10) {
1685                                         instr_out(data, hw_offset, i++,
1686                                                   "TB%dC\n", word - 7);
1687                                         instr_out(data, hw_offset, i++,
1688                                                   "TB%dA\n", word - 7);
1689                                 } else if (word >= 11 && word <= 14) {
1690                                         instr_out(data, hw_offset, i,
1691                                                   "TM%dS0: offset=0x%08x, %s\n",
1692                                                   word - 11,
1693                                                   data[i] & 0xfffffffe,
1694                                                   data[i] & 1 ? "use fence" :
1695                                                   "");
1696                                         i++;
1697                                         instr_out(data, hw_offset, i,
1698                                                   "TM%dS1: height=%i, width=%i, %s\n",
1699                                                   word - 11, data[i] >> 21,
1700                                                   (data[i] >> 10) & 0x3ff,
1701                                                   data[i] & 2 ? (data[i] & 1 ?
1702                                                                  "y-tiled" :
1703                                                                  "x-tiled") :
1704                                                   "");
1705                                         i++;
1706                                         instr_out(data, hw_offset, i,
1707                                                   "TM%dS2: pitch=%i, \n",
1708                                                   word - 11,
1709                                                   ((data[i] >> 21) + 1) * 4);
1710                                         i++;
1711                                         instr_out(data, hw_offset, i++,
1712                                                   "TM%dS3\n", word - 11);
1713                                         instr_out(data, hw_offset, i++,
1714                                                   "TM%dS4: dflt color\n",
1715                                                   word - 11);
1716                                 }
1717                         }
1718                 }
1719                 if (len != i) {
1720                         fprintf(out,
1721                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1722                 }
1723                 return len;
1724         case 0x00:
1725                 instr_out(data, hw_offset, 0, "3DSTATE_MAP_STATE\n");
1726                 len = (data[0] & 0x0000003f) + 2;
1727                 instr_out(data, hw_offset, 1, "mask\n");
1728
1729                 i = 2;
1730                 for (map = 0; map <= 15; map++) {
1731                         if (data[1] & (1 << map)) {
1732                                 int width, height, pitch, dword;
1733                                 const char *tiling;
1734
1735                                 if (i + 3 >= count)
1736                                         BUFFER_FAIL(count, len,
1737                                                     "3DSTATE_MAP_STATE");
1738
1739                                 dword = data[i];
1740                                 instr_out(data, hw_offset, i++,
1741                                           "map %d MS2 %s%s%s\n", map,
1742                                           dword & (1 << 31) ?
1743                                           "untrusted surface, " : "",
1744                                           dword & (1 << 1) ?
1745                                           "vertical line stride enable, " : "",
1746                                           dword & (1 << 0) ?
1747                                           "vertical ofs enable, " : "");
1748
1749                                 dword = data[i];
1750                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1751                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1752
1753                                 tiling = "none";
1754                                 if (dword & (1 << 2))
1755                                         tiling = "fenced";
1756                                 else if (dword & (1 << 1))
1757                                         tiling = dword & (1 << 0) ? "Y" : "X";
1758                                 type = " BAD";
1759                                 format = "BAD";
1760                                 switch ((dword >> 7) & 0x7) {
1761                                 case 1:
1762                                         type = "8b";
1763                                         switch ((dword >> 3) & 0xf) {
1764                                         case 0:
1765                                                 format = "I";
1766                                                 break;
1767                                         case 1:
1768                                                 format = "L";
1769                                                 break;
1770                                         case 4:
1771                                                 format = "A";
1772                                                 break;
1773                                         case 5:
1774                                                 format = " mono";
1775                                                 break;
1776                                         }
1777                                         break;
1778                                 case 2:
1779                                         type = "16b";
1780                                         switch ((dword >> 3) & 0xf) {
1781                                         case 0:
1782                                                 format = " rgb565";
1783                                                 break;
1784                                         case 1:
1785                                                 format = " argb1555";
1786                                                 break;
1787                                         case 2:
1788                                                 format = " argb4444";
1789                                                 break;
1790                                         case 5:
1791                                                 format = " ay88";
1792                                                 break;
1793                                         case 6:
1794                                                 format = " bump655";
1795                                                 break;
1796                                         case 7:
1797                                                 format = "I";
1798                                                 break;
1799                                         case 8:
1800                                                 format = "L";
1801                                                 break;
1802                                         case 9:
1803                                                 format = "A";
1804                                                 break;
1805                                         }
1806                                         break;
1807                                 case 3:
1808                                         type = "32b";
1809                                         switch ((dword >> 3) & 0xf) {
1810                                         case 0:
1811                                                 format = " argb8888";
1812                                                 break;
1813                                         case 1:
1814                                                 format = " abgr8888";
1815                                                 break;
1816                                         case 2:
1817                                                 format = " xrgb8888";
1818                                                 break;
1819                                         case 3:
1820                                                 format = " xbgr8888";
1821                                                 break;
1822                                         case 4:
1823                                                 format = " qwvu8888";
1824                                                 break;
1825                                         case 5:
1826                                                 format = " axvu8888";
1827                                                 break;
1828                                         case 6:
1829                                                 format = " lxvu8888";
1830                                                 break;
1831                                         case 7:
1832                                                 format = " xlvu8888";
1833                                                 break;
1834                                         case 8:
1835                                                 format = " argb2101010";
1836                                                 break;
1837                                         case 9:
1838                                                 format = " abgr2101010";
1839                                                 break;
1840                                         case 10:
1841                                                 format = " awvu2101010";
1842                                                 break;
1843                                         case 11:
1844                                                 format = " gr1616";
1845                                                 break;
1846                                         case 12:
1847                                                 format = " vu1616";
1848                                                 break;
1849                                         case 13:
1850                                                 format = " xI824";
1851                                                 break;
1852                                         case 14:
1853                                                 format = " xA824";
1854                                                 break;
1855                                         case 15:
1856                                                 format = " xL824";
1857                                                 break;
1858                                         }
1859                                         break;
1860                                 case 5:
1861                                         type = "422";
1862                                         switch ((dword >> 3) & 0xf) {
1863                                         case 0:
1864                                                 format = " yuv_swapy";
1865                                                 break;
1866                                         case 1:
1867                                                 format = " yuv";
1868                                                 break;
1869                                         case 2:
1870                                                 format = " yuv_swapuv";
1871                                                 break;
1872                                         case 3:
1873                                                 format = " yuv_swapuvy";
1874                                                 break;
1875                                         }
1876                                         break;
1877                                 case 6:
1878                                         type = "compressed";
1879                                         switch ((dword >> 3) & 0x7) {
1880                                         case 0:
1881                                                 format = " dxt1";
1882                                                 break;
1883                                         case 1:
1884                                                 format = " dxt2_3";
1885                                                 break;
1886                                         case 2:
1887                                                 format = " dxt4_5";
1888                                                 break;
1889                                         case 3:
1890                                                 format = " fxt1";
1891                                                 break;
1892                                         case 4:
1893                                                 format = " dxt1_rb";
1894                                                 break;
1895                                         }
1896                                         break;
1897                                 case 7:
1898                                         type = "4b indexed";
1899                                         switch ((dword >> 3) & 0xf) {
1900                                         case 7:
1901                                                 format = " argb8888";
1902                                                 break;
1903                                         }
1904                                         break;
1905                                 }
1906                                 dword = data[i];
1907                                 instr_out(data, hw_offset, i++,
1908                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1909                                           map, width, height, type, format,
1910                                           tiling,
1911                                           dword & (1 << 9) ? " palette select" :
1912                                           "");
1913
1914                                 dword = data[i];
1915                                 pitch =
1916                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1917                                 instr_out(data, hw_offset, i++,
1918                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1919                                           map, pitch, (dword >> 9) & 0x3f,
1920                                           dword & 0xff, (dword >> 15) & 0x3f,
1921                                           dword & (1 << 8) ? "miplayout legacy"
1922                                           : "miplayout right");
1923                         }
1924                 }
1925                 if (len != i) {
1926                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1927                         return len;
1928                 }
1929                 return len;
1930         case 0x06:
1931                 instr_out(data, hw_offset, 0,
1932                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1933                 len = (data[0] & 0x000000ff) + 2;
1934
1935                 i = 2;
1936                 for (c = 0; c <= 31; c++) {
1937                         if (data[1] & (1 << c)) {
1938                                 if (i + 4 >= count)
1939                                         BUFFER_FAIL(count, len,
1940                                                     "3DSTATE_PIXEL_SHADER_CONSTANTS");
1941                                 instr_out(data, hw_offset, i, "C%d.X = %f\n", c,
1942                                           int_as_float(data[i]));
1943                                 i++;
1944                                 instr_out(data, hw_offset, i, "C%d.Y = %f\n",
1945                                           c, int_as_float(data[i]));
1946                                 i++;
1947                                 instr_out(data, hw_offset, i, "C%d.Z = %f\n",
1948                                           c, int_as_float(data[i]));
1949                                 i++;
1950                                 instr_out(data, hw_offset, i, "C%d.W = %f\n",
1951                                           c, int_as_float(data[i]));
1952                                 i++;
1953                         }
1954                 }
1955                 if (len != i) {
1956                         fprintf(out,
1957                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1958                 }
1959                 return len;
1960         case 0x05:
1961                 instr_out(data, hw_offset, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
1962                 len = (data[0] & 0x000000ff) + 2;
1963                 if ((len - 1) % 3 != 0 || len > 370) {
1964                         fprintf(out,
1965                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
1966                 }
1967                 i = 1;
1968                 for (instr = 0; instr < (len - 1) / 3; instr++) {
1969                         char instr_prefix[10];
1970
1971                         if (i + 3 >= count)
1972                                 BUFFER_FAIL(count, len,
1973                                             "3DSTATE_PIXEL_SHADER_PROGRAM");
1974                         sprintf(instr_prefix, "PS%03d", instr);
1975                         i915_decode_instruction(data, hw_offset, i,
1976                                                 instr_prefix);
1977                         i += 3;
1978                 }
1979                 return len;
1980         case 0x01:
1981                 if (IS_GEN2(devid))
1982                         break;
1983                 instr_out(data, hw_offset, 0, "3DSTATE_SAMPLER_STATE\n");
1984                 instr_out(data, hw_offset, 1, "mask\n");
1985                 len = (data[0] & 0x0000003f) + 2;
1986                 i = 2;
1987                 for (sampler = 0; sampler <= 15; sampler++) {
1988                         if (data[1] & (1 << sampler)) {
1989                                 uint32_t dword;
1990                                 const char *mip_filter = "";
1991                                 if (i + 3 >= count)
1992                                         BUFFER_FAIL(count, len,
1993                                                     "3DSTATE_SAMPLER_STATE");
1994                                 dword = data[i];
1995                                 switch ((dword >> 20) & 0x3) {
1996                                 case 0:
1997                                         mip_filter = "none";
1998                                         break;
1999                                 case 1:
2000                                         mip_filter = "nearest";
2001                                         break;
2002                                 case 3:
2003                                         mip_filter = "linear";
2004                                         break;
2005                                 }
2006                                 instr_out(data, hw_offset, i++,
2007                                           "sampler %d SS2:%s%s%s "
2008                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
2009                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
2010                                           sampler,
2011                                           dword & (1 << 31) ? " reverse gamma,"
2012                                           : "",
2013                                           dword & (1 << 30) ? " packed2planar,"
2014                                           : "",
2015                                           dword & (1 << 29) ?
2016                                           " colorspace conversion," : "",
2017                                           (dword >> 22) & 0x1f, mip_filter,
2018                                           decode_sample_filter(dword >> 17),
2019                                           decode_sample_filter(dword >> 14),
2020                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2021                                           dword & (1 << 4) ? " shadow," : "",
2022                                           dword & (1 << 3) ? 4 : 2,
2023                                           decode_compare_func(dword));
2024                                 dword = data[i];
2025                                 instr_out(data, hw_offset, i++,
2026                                           "sampler %d SS3: min_lod=%.2f,%s "
2027                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2028                                           sampler,
2029                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2030                                           dword & (1 << 17) ?
2031                                           " kill pixel enable," : "",
2032                                           decode_tex_coord_mode(dword >> 12),
2033                                           decode_tex_coord_mode(dword >> 9),
2034                                           decode_tex_coord_mode(dword >> 6),
2035                                           dword & (1 << 5) ?
2036                                           " normalized coords," : "",
2037                                           (dword >> 1) & 0xf,
2038                                           dword & (1 << 0) ? " deinterlacer," :
2039                                           "");
2040                                 dword = data[i];
2041                                 instr_out(data, hw_offset, i++,
2042                                           "sampler %d SS4: border color\n",
2043                                           sampler);
2044                         }
2045                 }
2046                 if (len != i) {
2047                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2048                 }
2049                 return len;
2050         case 0x85:
2051                 len = (data[0] & 0x0000000f) + 2;
2052
2053                 if (len != 2)
2054                         fprintf(out,
2055                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2056                 if (count < 2)
2057                         BUFFER_FAIL(count, len,
2058                                     "3DSTATE_DEST_BUFFER_VARIABLES");
2059
2060                 instr_out(data, hw_offset, 0,
2061                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2062
2063                 switch ((data[1] >> 8) & 0xf) {
2064                 case 0x0:
2065                         format = "g8";
2066                         break;
2067                 case 0x1:
2068                         format = "x1r5g5b5";
2069                         break;
2070                 case 0x2:
2071                         format = "r5g6b5";
2072                         break;
2073                 case 0x3:
2074                         format = "a8r8g8b8";
2075                         break;
2076                 case 0x4:
2077                         format = "ycrcb_swapy";
2078                         break;
2079                 case 0x5:
2080                         format = "ycrcb_normal";
2081                         break;
2082                 case 0x6:
2083                         format = "ycrcb_swapuv";
2084                         break;
2085                 case 0x7:
2086                         format = "ycrcb_swapuvy";
2087                         break;
2088                 case 0x8:
2089                         format = "a4r4g4b4";
2090                         break;
2091                 case 0x9:
2092                         format = "a1r5g5b5";
2093                         break;
2094                 case 0xa:
2095                         format = "a2r10g10b10";
2096                         break;
2097                 default:
2098                         format = "BAD";
2099                         break;
2100                 }
2101                 switch ((data[1] >> 2) & 0x3) {
2102                 case 0x0:
2103                         zformat = "u16";
2104                         break;
2105                 case 0x1:
2106                         zformat = "f16";
2107                         break;
2108                 case 0x2:
2109                         zformat = "u24x8";
2110                         break;
2111                 default:
2112                         zformat = "BAD";
2113                         break;
2114                 }
2115                 instr_out(data, hw_offset, 1,
2116                           "%s format, %s depth format, early Z %sabled\n",
2117                           format, zformat,
2118                           (data[1] & (1 << 31)) ? "en" : "dis");
2119                 return len;
2120
2121         case 0x8e:
2122                 {
2123                         const char *name, *tiling;
2124
2125                         len = (data[0] & 0x0000000f) + 2;
2126                         if (len != 3)
2127                                 fprintf(out,
2128                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2129                         if (count < 3)
2130                                 BUFFER_FAIL(count, len, "3DSTATE_BUFFER_INFO");
2131
2132                         switch ((data[1] >> 24) & 0x7) {
2133                         case 0x3:
2134                                 name = "color";
2135                                 break;
2136                         case 0x7:
2137                                 name = "depth";
2138                                 break;
2139                         default:
2140                                 name = "unknown";
2141                                 break;
2142                         }
2143
2144                         tiling = "none";
2145                         if (data[1] & (1 << 23))
2146                                 tiling = "fenced";
2147                         else if (data[1] & (1 << 22))
2148                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2149
2150                         instr_out(data, hw_offset, 0, "3DSTATE_BUFFER_INFO\n");
2151                         instr_out(data, hw_offset, 1,
2152                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2153                                   data[1] & 0xffff);
2154
2155                         instr_out(data, hw_offset, 2, "address\n");
2156                         return len;
2157                 }
2158         case 0x81:
2159                 len = (data[0] & 0x0000000f) + 2;
2160
2161                 if (len != 3)
2162                         fprintf(out,
2163                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2164                 if (count < 3)
2165                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_RECTANGLE");
2166
2167                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2168                 instr_out(data, hw_offset, 1, "(%d,%d)\n",
2169                           data[1] & 0xffff, data[1] >> 16);
2170                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2171                           data[2] & 0xffff, data[2] >> 16);
2172
2173                 return len;
2174         case 0x80:
2175                 len = (data[0] & 0x0000000f) + 2;
2176
2177                 if (len != 5)
2178                         fprintf(out,
2179                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2180                 if (count < 5)
2181                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
2182
2183                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2184                 instr_out(data, hw_offset, 1, "%s\n",
2185                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2186                 instr_out(data, hw_offset, 2, "(%d,%d)\n",
2187                           data[2] & 0xffff, data[2] >> 16);
2188                 instr_out(data, hw_offset, 3, "(%d,%d)\n",
2189                           data[3] & 0xffff, data[3] >> 16);
2190                 instr_out(data, hw_offset, 4, "(%d,%d)\n",
2191                           data[4] & 0xffff, data[4] >> 16);
2192
2193                 return len;
2194         case 0x9c:
2195                 len = (data[0] & 0x0000000f) + 2;
2196
2197                 if (len != 7)
2198                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2199                 if (count < 7)
2200                         BUFFER_FAIL(count, len, "3DSTATE_CLEAR_PARAMETERS");
2201
2202                 instr_out(data, hw_offset, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2203                 instr_out(data, hw_offset, 1, "prim_type=%s, clear=%s%s%s\n",
2204                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2205                           data[1] & (1 << 2) ? "color," : "",
2206                           data[1] & (1 << 1) ? "depth," : "",
2207                           data[1] & (1 << 0) ? "stencil," : "");
2208                 instr_out(data, hw_offset, 2, "clear color\n");
2209                 instr_out(data, hw_offset, 3, "clear depth/stencil\n");
2210                 instr_out(data, hw_offset, 4, "color value (rgba8888)\n");
2211                 instr_out(data, hw_offset, 5, "depth value %f\n",
2212                           int_as_float(data[5]));
2213                 instr_out(data, hw_offset, 6, "clear stencil\n");
2214                 return len;
2215         }
2216
2217         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2218                 opcode_3d_1d = &opcodes_3d_1d[idx];
2219                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2220                         continue;
2221
2222                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2223                         len = 1;
2224
2225                         instr_out(data, hw_offset, 0, "%s\n",
2226                                   opcode_3d_1d->name);
2227                         if (opcode_3d_1d->max_len > 1) {
2228                                 len = (data[0] & 0x0000ffff) + 2;
2229                                 if (len < opcode_3d_1d->min_len ||
2230                                     len > opcode_3d_1d->max_len) {
2231                                         fprintf(out, "Bad count in %s\n",
2232                                                 opcode_3d_1d->name);
2233                                 }
2234                         }
2235
2236                         for (i = 1; i < len; i++) {
2237                                 if (i >= count)
2238                                         BUFFER_FAIL(count, len,
2239                                                     opcode_3d_1d->name);
2240                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2241                         }
2242
2243                         return len;
2244                 }
2245         }
2246
2247         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2248                   opcode);
2249         return 1;
2250 }
2251
2252 static int
2253 decode_3d_primitive(struct drm_intel_decode *ctx)
2254 {
2255         uint32_t *data = ctx->data;
2256         uint32_t hw_offset = ctx->hw_offset;
2257         uint32_t count = ctx->count;
2258         char immediate = (data[0] & (1 << 23)) == 0;
2259         unsigned int len, i, j, ret;
2260         const char *primtype;
2261         int original_s2 = saved_s2;
2262         int original_s4 = saved_s4;
2263
2264         switch ((data[0] >> 18) & 0xf) {
2265         case 0x0:
2266                 primtype = "TRILIST";
2267                 break;
2268         case 0x1:
2269                 primtype = "TRISTRIP";
2270                 break;
2271         case 0x2:
2272                 primtype = "TRISTRIP_REVERSE";
2273                 break;
2274         case 0x3:
2275                 primtype = "TRIFAN";
2276                 break;
2277         case 0x4:
2278                 primtype = "POLYGON";
2279                 break;
2280         case 0x5:
2281                 primtype = "LINELIST";
2282                 break;
2283         case 0x6:
2284                 primtype = "LINESTRIP";
2285                 break;
2286         case 0x7:
2287                 primtype = "RECTLIST";
2288                 break;
2289         case 0x8:
2290                 primtype = "POINTLIST";
2291                 break;
2292         case 0x9:
2293                 primtype = "DIB";
2294                 break;
2295         case 0xa:
2296                 primtype = "CLEAR_RECT";
2297                 saved_s4 = 3 << 6;
2298                 saved_s2 = ~0;
2299                 break;
2300         default:
2301                 primtype = "unknown";
2302                 break;
2303         }
2304
2305         /* XXX: 3DPRIM_DIB not supported */
2306         if (immediate) {
2307                 len = (data[0] & 0x0003ffff) + 2;
2308                 instr_out(data, hw_offset, 0, "3DPRIMITIVE inline %s\n",
2309                           primtype);
2310                 if (count < len)
2311                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2312                 if (!saved_s2_set || !saved_s4_set) {
2313                         fprintf(out, "unknown vertex format\n");
2314                         for (i = 1; i < len; i++) {
2315                                 instr_out(data, hw_offset, i,
2316                                           "           vertex data (%f float)\n",
2317                                           int_as_float(data[i]));
2318                         }
2319                 } else {
2320                         unsigned int vertex = 0;
2321                         for (i = 1; i < len;) {
2322                                 unsigned int tc;
2323
2324 #define VERTEX_OUT(fmt, ...) do {                                       \
2325     if (i < len)                                                        \
2326         instr_out(data, hw_offset, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2327     else                                                                \
2328         fprintf(out, " missing data in V%d\n", vertex);                 \
2329     i++;                                                                \
2330 } while (0)
2331
2332                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2333                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2334                                 switch (saved_s4 >> 6 & 0x7) {
2335                                 case 0x1:
2336                                         VERTEX_OUT("Z = %f",
2337                                                    int_as_float(data[i]));
2338                                         break;
2339                                 case 0x2:
2340                                         VERTEX_OUT("Z = %f",
2341                                                    int_as_float(data[i]));
2342                                         VERTEX_OUT("W = %f",
2343                                                    int_as_float(data[i]));
2344                                         break;
2345                                 case 0x3:
2346                                         break;
2347                                 case 0x4:
2348                                         VERTEX_OUT("W = %f",
2349                                                    int_as_float(data[i]));
2350                                         break;
2351                                 default:
2352                                         fprintf(out, "bad S4 position mask\n");
2353                                 }
2354
2355                                 if (saved_s4 & (1 << 10)) {
2356                                         VERTEX_OUT
2357                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2358                                              "B=0x%02x)", data[i] >> 24,
2359                                              (data[i] >> 16) & 0xff,
2360                                              (data[i] >> 8) & 0xff,
2361                                              data[i] & 0xff);
2362                                 }
2363                                 if (saved_s4 & (1 << 11)) {
2364                                         VERTEX_OUT
2365                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2366                                              "B=0x%02x)", data[i] >> 24,
2367                                              (data[i] >> 16) & 0xff,
2368                                              (data[i] >> 8) & 0xff,
2369                                              data[i] & 0xff);
2370                                 }
2371                                 if (saved_s4 & (1 << 12))
2372                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2373
2374                                 for (tc = 0; tc <= 7; tc++) {
2375                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2376                                         case 0x0:
2377                                                 VERTEX_OUT("T%d.X = %f", tc,
2378                                                            int_as_float(data
2379                                                                         [i]));
2380                                                 VERTEX_OUT("T%d.Y = %f", tc,
2381                                                            int_as_float(data
2382                                                                         [i]));
2383                                                 break;
2384                                         case 0x1:
2385                                                 VERTEX_OUT("T%d.X = %f", tc,
2386                                                            int_as_float(data
2387                                                                         [i]));
2388                                                 VERTEX_OUT("T%d.Y = %f", tc,
2389                                                            int_as_float(data
2390                                                                         [i]));
2391                                                 VERTEX_OUT("T%d.Z = %f", tc,
2392                                                            int_as_float(data
2393                                                                         [i]));
2394                                                 break;
2395                                         case 0x2:
2396                                                 VERTEX_OUT("T%d.X = %f", tc,
2397                                                            int_as_float(data
2398                                                                         [i]));
2399                                                 VERTEX_OUT("T%d.Y = %f", tc,
2400                                                            int_as_float(data
2401                                                                         [i]));
2402                                                 VERTEX_OUT("T%d.Z = %f", tc,
2403                                                            int_as_float(data
2404                                                                         [i]));
2405                                                 VERTEX_OUT("T%d.W = %f", tc,
2406                                                            int_as_float(data
2407                                                                         [i]));
2408                                                 break;
2409                                         case 0x3:
2410                                                 VERTEX_OUT("T%d.X = %f", tc,
2411                                                            int_as_float(data
2412                                                                         [i]));
2413                                                 break;
2414                                         case 0x4:
2415                                                 VERTEX_OUT
2416                                                     ("T%d.XY = 0x%08x half-float",
2417                                                      tc, data[i]);
2418                                                 break;
2419                                         case 0x5:
2420                                                 VERTEX_OUT
2421                                                     ("T%d.XY = 0x%08x half-float",
2422                                                      tc, data[i]);
2423                                                 VERTEX_OUT
2424                                                     ("T%d.ZW = 0x%08x half-float",
2425                                                      tc, data[i]);
2426                                                 break;
2427                                         case 0xf:
2428                                                 break;
2429                                         default:
2430                                                 fprintf(out,
2431                                                         "bad S2.T%d format\n",
2432                                                         tc);
2433                                         }
2434                                 }
2435                                 vertex++;
2436                         }
2437                 }
2438
2439                 ret = len;
2440         } else {
2441                 /* indirect vertices */
2442                 len = data[0] & 0x0000ffff;     /* index count */
2443                 if (data[0] & (1 << 17)) {
2444                         /* random vertex access */
2445                         if (count < (len + 1) / 2 + 1) {
2446                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2447                                             "3DPRIMITIVE random indirect");
2448                         }
2449                         instr_out(data, hw_offset, 0,
2450                                   "3DPRIMITIVE random indirect %s (%d)\n",
2451                                   primtype, len);
2452                         if (len == 0) {
2453                                 /* vertex indices continue until 0xffff is
2454                                  * found
2455                                  */
2456                                 for (i = 1; i < count; i++) {
2457                                         if ((data[i] & 0xffff) == 0xffff) {
2458                                                 instr_out(data, hw_offset, i,
2459                                                           "    indices: (terminator)\n");
2460                                                 ret = i;
2461                                                 goto out;
2462                                         } else if ((data[i] >> 16) == 0xffff) {
2463                                                 instr_out(data, hw_offset, i,
2464                                                           "    indices: 0x%04x, (terminator)\n",
2465                                                           data[i] & 0xffff);
2466                                                 ret = i;
2467                                                 goto out;
2468                                         } else {
2469                                                 instr_out(data, hw_offset, i,
2470                                                           "    indices: 0x%04x, 0x%04x\n",
2471                                                           data[i] & 0xffff,
2472                                                           data[i] >> 16);
2473                                         }
2474                                 }
2475                                 fprintf(out,
2476                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2477                                 ret = count;
2478                                 goto out;
2479                         } else {
2480                                 /* fixed size vertex index buffer */
2481                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2482                                         if (i * 2 == len - 1) {
2483                                                 instr_out(data, hw_offset, j,
2484                                                           "    indices: 0x%04x\n",
2485                                                           data[j] & 0xffff);
2486                                         } else {
2487                                                 instr_out(data, hw_offset, j,
2488                                                           "    indices: 0x%04x, 0x%04x\n",
2489                                                           data[j] & 0xffff,
2490                                                           data[j] >> 16);
2491                                         }
2492                                 }
2493                         }
2494                         ret = (len + 1) / 2 + 1;
2495                         goto out;
2496                 } else {
2497                         /* sequential vertex access */
2498                         if (count < 2)
2499                                 BUFFER_FAIL(count, 2,
2500                                             "3DPRIMITIVE seq indirect");
2501                         instr_out(data, hw_offset, 0,
2502                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2503                                   "%d\n", primtype, len, data[1] & 0xffff);
2504                         instr_out(data, hw_offset, 1, "           start\n");
2505                         ret = 2;
2506                         goto out;
2507                 }
2508         }
2509
2510 out:
2511         saved_s2 = original_s2;
2512         saved_s4 = original_s4;
2513         return ret;
2514 }
2515
2516 static int
2517 decode_3d(struct drm_intel_decode *ctx)
2518 {
2519         uint32_t opcode;
2520         unsigned int idx;
2521         uint32_t *data = ctx->data;
2522         uint32_t hw_offset = ctx->hw_offset;
2523         uint32_t count = ctx->count;
2524
2525         struct {
2526                 uint32_t opcode;
2527                 unsigned int min_len;
2528                 unsigned int max_len;
2529                 const char *name;
2530         } opcodes_3d[] = {
2531                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2532                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2533                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2534                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2535                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2536                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2537                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2538                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2539                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2540         }, *opcode_3d;
2541
2542         opcode = (data[0] & 0x1f000000) >> 24;
2543
2544         switch (opcode) {
2545         case 0x1f:
2546                 return decode_3d_primitive(ctx);
2547         case 0x1d:
2548                 return decode_3d_1d(ctx);
2549         case 0x1c:
2550                 return decode_3d_1c(ctx);
2551         }
2552
2553         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2554                 opcode_3d = &opcodes_3d[idx];
2555                 if (opcode == opcode_3d->opcode) {
2556                         unsigned int len = 1, i;
2557
2558                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
2559                         if (opcode_3d->max_len > 1) {
2560                                 len = (data[0] & 0xff) + 2;
2561                                 if (len < opcode_3d->min_len ||
2562                                     len > opcode_3d->max_len) {
2563                                         fprintf(out, "Bad count in %s\n",
2564                                                 opcode_3d->name);
2565                                 }
2566                         }
2567
2568                         for (i = 1; i < len; i++) {
2569                                 if (i >= count)
2570                                         BUFFER_FAIL(count, len,
2571                                                     opcode_3d->name);
2572                                 instr_out(data, hw_offset, i, "dword %d\n", i);
2573                         }
2574                         return len;
2575                 }
2576         }
2577
2578         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2579         return 1;
2580 }
2581
2582 static const char *get_965_surfacetype(unsigned int surfacetype)
2583 {
2584         switch (surfacetype) {
2585         case 0:
2586                 return "1D";
2587         case 1:
2588                 return "2D";
2589         case 2:
2590                 return "3D";
2591         case 3:
2592                 return "CUBE";
2593         case 4:
2594                 return "BUFFER";
2595         case 7:
2596                 return "NULL";
2597         default:
2598                 return "unknown";
2599         }
2600 }
2601
2602 static const char *get_965_depthformat(unsigned int depthformat)
2603 {
2604         switch (depthformat) {
2605         case 0:
2606                 return "s8_z24float";
2607         case 1:
2608                 return "z32float";
2609         case 2:
2610                 return "z24s8";
2611         case 5:
2612                 return "z16";
2613         default:
2614                 return "unknown";
2615         }
2616 }
2617
2618 static const char *get_965_element_component(uint32_t data, int component)
2619 {
2620         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2621
2622         switch (component_control) {
2623         case 0:
2624                 return "nostore";
2625         case 1:
2626                 switch (component) {
2627                 case 0:
2628                         return "X";
2629                 case 1:
2630                         return "Y";
2631                 case 2:
2632                         return "Z";
2633                 case 3:
2634                         return "W";
2635                 default:
2636                         return "fail";
2637                 }
2638         case 2:
2639                 return "0.0";
2640         case 3:
2641                 return "1.0";
2642         case 4:
2643                 return "0x1";
2644         case 5:
2645                 return "VID";
2646         default:
2647                 return "fail";
2648         }
2649 }
2650
2651 static const char *get_965_prim_type(uint32_t data)
2652 {
2653         uint32_t primtype = (data >> 10) & 0x1f;
2654
2655         switch (primtype) {
2656         case 0x01:
2657                 return "point list";
2658         case 0x02:
2659                 return "line list";
2660         case 0x03:
2661                 return "line strip";
2662         case 0x04:
2663                 return "tri list";
2664         case 0x05:
2665                 return "tri strip";
2666         case 0x06:
2667                 return "tri fan";
2668         case 0x07:
2669                 return "quad list";
2670         case 0x08:
2671                 return "quad strip";
2672         case 0x09:
2673                 return "line list adj";
2674         case 0x0a:
2675                 return "line strip adj";
2676         case 0x0b:
2677                 return "tri list adj";
2678         case 0x0c:
2679                 return "tri strip adj";
2680         case 0x0d:
2681                 return "tri strip reverse";
2682         case 0x0e:
2683                 return "polygon";
2684         case 0x0f:
2685                 return "rect list";
2686         case 0x10:
2687                 return "line loop";
2688         case 0x11:
2689                 return "point list bf";
2690         case 0x12:
2691                 return "line strip cont";
2692         case 0x13:
2693                 return "line strip bf";
2694         case 0x14:
2695                 return "line strip cont bf";
2696         case 0x15:
2697                 return "tri fan no stipple";
2698         default:
2699                 return "fail";
2700         }
2701 }
2702
2703 static int
2704 i965_decode_urb_fence(uint32_t *data, uint32_t hw_offset, int len,
2705                       uint32_t count)
2706 {
2707         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2708
2709         if (len != 3)
2710                 fprintf(out, "Bad count in URB_FENCE\n");
2711         if (count < 3)
2712                 BUFFER_FAIL(count, len, "URB_FENCE");
2713
2714         vs_fence = data[1] & 0x3ff;
2715         gs_fence = (data[1] >> 10) & 0x3ff;
2716         clip_fence = (data[1] >> 20) & 0x3ff;
2717         sf_fence = data[2] & 0x3ff;
2718         vfe_fence = (data[2] >> 10) & 0x3ff;
2719         cs_fence = (data[2] >> 20) & 0x7ff;
2720
2721         instr_out(data, hw_offset, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2722                   (data[0] >> 13) & 1 ? "cs " : "",
2723                   (data[0] >> 12) & 1 ? "vfe " : "",
2724                   (data[0] >> 11) & 1 ? "sf " : "",
2725                   (data[0] >> 10) & 1 ? "clip " : "",
2726                   (data[0] >> 9) & 1 ? "gs " : "",
2727                   (data[0] >> 8) & 1 ? "vs " : "");
2728         instr_out(data, hw_offset, 1,
2729                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2730                   vs_fence, clip_fence, gs_fence);
2731         instr_out(data, hw_offset, 2,
2732                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2733                   sf_fence, vfe_fence, cs_fence);
2734         if (gs_fence < vs_fence)
2735                 fprintf(out, "gs fence < vs fence!\n");
2736         if (clip_fence < gs_fence)
2737                 fprintf(out, "clip fence < gs fence!\n");
2738         if (sf_fence < clip_fence)
2739                 fprintf(out, "sf fence < clip fence!\n");
2740         if (cs_fence < sf_fence)
2741                 fprintf(out, "cs fence < sf fence!\n");
2742
2743         return len;
2744 }
2745
2746 static void
2747 state_base_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2748                const char *name)
2749 {
2750         if (data[index] & 1) {
2751                 instr_out(data, hw_offset, index,
2752                           "%s state base address 0x%08x\n", name,
2753                           data[index] & ~1);
2754         } else {
2755                 instr_out(data, hw_offset, index, "%s state base not updated\n",
2756                           name);
2757         }
2758 }
2759
2760 static void
2761 state_max_out(uint32_t *data, uint32_t hw_offset, unsigned int index,
2762               const char *name)
2763 {
2764         if (data[index] & 1) {
2765                 if (data[index] == 1) {
2766                         instr_out(data, hw_offset, index,
2767                                   "%s state upper bound disabled\n", name);
2768                 } else {
2769                         instr_out(data, hw_offset, index,
2770                                   "%s state upper bound 0x%08x\n", name,
2771                                   data[index] & ~1);
2772                 }
2773         } else {
2774                 instr_out(data, hw_offset, index,
2775                           "%s state upper bound not updated\n", name);
2776         }
2777 }
2778
2779 static int
2780 decode_3d_965(struct drm_intel_decode *ctx)
2781 {
2782         uint32_t opcode;
2783         unsigned int idx, len;
2784         unsigned int i, j, sba_len;
2785         const char *desc1 = NULL;
2786         uint32_t *data = ctx->data;
2787         uint32_t hw_offset = ctx->hw_offset;
2788         uint32_t count = ctx->count;
2789         uint32_t devid = ctx->devid;
2790
2791         struct {
2792                 uint32_t opcode;
2793                 int unsigned min_len;
2794                 int unsigned max_len;
2795                 const char *name;
2796         } opcodes_3d[] = {
2797                 { 0x6000, 3, 3, "URB_FENCE" },
2798                 { 0x6001, 2, 2, "CS_URB_STATE" },
2799                 { 0x6002, 2, 2, "CONSTANT_BUFFER" },
2800                 { 0x6101, 6, 6, "STATE_BASE_ADDRESS" },
2801                 { 0x6102, 2, 2, "STATE_SIP" },
2802                 { 0x6104, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2803                 { 0x680b, 1, 1, "3DSTATE_VF_STATISTICS" },
2804                 { 0x6904, 1, 1, "3DSTATE_PIPELINE_SELECT" },
2805                 { 0x7800, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
2806                 { 0x7801, 6, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
2807                 { 0x7808, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
2808                 { 0x7809, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
2809                 { 0x780a, 3, 3, "3DSTATE_INDEX_BUFFER" },
2810                 { 0x780b, 1, 1, "3DSTATE_VF_STATISTICS" },
2811                 { 0x7900, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
2812                 { 0x7901, 5, 5, "3DSTATE_CONSTANT_COLOR" },
2813                 { 0x7905, 5, 7, "3DSTATE_DEPTH_BUFFER" },
2814                 { 0x7906, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
2815                 { 0x7907, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
2816                 { 0x7908, 3, 3, "3DSTATE_LINE_STIPPLE" },
2817                 { 0x7909, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
2818                 { 0x7909, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2819                 { 0x790a, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
2820                 { 0x790b, 4, 4, "3DSTATE_GS_SVB_INDEX" },
2821                 { 0x790d, 3, 3, "3DSTATE_MULTISAMPLE" },
2822                 { 0x7910, 2, 2, "3DSTATE_CLEAR_PARAMS" },
2823                 { 0x7b00, 6, 6, "3DPRIMITIVE" },
2824                 { 0x7802, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
2825                 { 0x7805, 3, 3, "3DSTATE_URB" },
2826                 { 0x780d, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
2827                 { 0x780e, 4, 4, "3DSTATE_CC_STATE_POINTERS" },
2828                 { 0x780f, 2, 2, "3DSTATE_SCISSOR_STATE_POINTERS" },
2829                 { 0x7810, 6, 6, "3DSTATE_VS_STATE" },
2830                 { 0x7811, 7, 7, "3DSTATE_GS_STATE" },
2831                 { 0x7812, 4, 4, "3DSTATE_CLIP_STATE" },
2832                 { 0x7813, 20, 20, "3DSTATE_SF_STATE" },
2833                 { 0x7814, 9, 9, "3DSTATE_WM_STATE" },
2834                 { 0x7815, 5, 5, "3DSTATE_CONSTANT_VS_STATE" },
2835                 { 0x7816, 5, 5, "3DSTATE_CONSTANT_GS_STATE" },
2836                 { 0x7817, 5, 5, "3DSTATE_CONSTANT_PS_STATE" },
2837                 { 0x7818, 2, 2, "3DSTATE_SAMPLE_MASK"},
2838         }, *opcode_3d;
2839
2840         len = (data[0] & 0x0000ffff) + 2;
2841
2842         opcode = (data[0] & 0xffff0000) >> 16;
2843         switch (opcode) {
2844         case 0x6000:
2845                 len = (data[0] & 0x000000ff) + 2;
2846                 return i965_decode_urb_fence(data, hw_offset, len, count);
2847         case 0x6001:
2848                 instr_out(data, hw_offset, 0, "CS_URB_STATE\n");
2849                 instr_out(data, hw_offset, 1,
2850                           "entry_size: %d [%d bytes], n_entries: %d\n",
2851                           (data[1] >> 4) & 0x1f,
2852                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
2853                 return len;
2854         case 0x6002:
2855                 len = (data[0] & 0x000000ff) + 2;
2856                 instr_out(data, hw_offset, 0, "CONSTANT_BUFFER: %s\n",
2857                           (data[0] >> 8) & 1 ? "valid" : "invalid");
2858                 instr_out(data, hw_offset, 1,
2859                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
2860                           ((data[1] & 0x3f) + 1) * 64);
2861                 return len;
2862         case 0x6101:
2863                 i = 0;
2864                 instr_out(data, hw_offset, 0, "STATE_BASE_ADDRESS\n");
2865                 i++;
2866
2867                 if (IS_GEN6(devid) || IS_GEN7(devid))
2868                         sba_len = 10;
2869                 else if (IS_GEN5(devid))
2870                         sba_len = 8;
2871                 else
2872                         sba_len = 6;
2873                 if (len != sba_len)
2874                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
2875                 if (len != sba_len)
2876                         BUFFER_FAIL(count, len, "STATE_BASE_ADDRESS");
2877
2878                 state_base_out(data, hw_offset, i++, "general");
2879                 state_base_out(data, hw_offset, i++, "surface");
2880                 if (IS_GEN6(devid) || IS_GEN7(devid))
2881                         state_base_out(data, hw_offset, i++, "dynamic");
2882                 state_base_out(data, hw_offset, i++, "indirect");
2883                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2884                         state_base_out(data, hw_offset, i++, "instruction");
2885
2886                 state_max_out(data, hw_offset, i++, "general");
2887                 if (IS_GEN6(devid) || IS_GEN7(devid))
2888                         state_max_out(data, hw_offset, i++, "dynamic");
2889                 state_max_out(data, hw_offset, i++, "indirect");
2890                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
2891                         state_max_out(data, hw_offset, i++, "instruction");
2892
2893                 return len;
2894         case 0x7800:
2895                 if (len != 7)
2896                         fprintf(out,
2897                                 "Bad count in 3DSTATE_PIPELINED_POINTERS\n");
2898                 if (count < 7)
2899                         BUFFER_FAIL(count, len, "3DSTATE_PIPELINED_POINTERS");
2900
2901                 instr_out(data, hw_offset, 0, "3DSTATE_PIPELINED_POINTERS\n");
2902                 instr_out(data, hw_offset, 1, "VS state\n");
2903                 instr_out(data, hw_offset, 2, "GS state\n");
2904                 instr_out(data, hw_offset, 3, "Clip state\n");
2905                 instr_out(data, hw_offset, 4, "SF state\n");
2906                 instr_out(data, hw_offset, 5, "WM state\n");
2907                 instr_out(data, hw_offset, 6, "CC state\n");
2908                 return len;
2909         case 0x7801:
2910                 len = (data[0] & 0x000000ff) + 2;
2911                 if (len != 6 && len != 4)
2912                         fprintf(out,
2913                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
2914                 if (len == 6) {
2915                         if (count < 6)
2916                                 BUFFER_FAIL(count, len,
2917                                             "3DSTATE_BINDING_TABLE_POINTERS");
2918                         instr_out(data, hw_offset, 0,
2919                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
2920                         instr_out(data, hw_offset, 1, "VS binding table\n");
2921                         instr_out(data, hw_offset, 2, "GS binding table\n");
2922                         instr_out(data, hw_offset, 3, "Clip binding table\n");
2923                         instr_out(data, hw_offset, 4, "SF binding table\n");
2924                         instr_out(data, hw_offset, 5, "WM binding table\n");
2925                 } else {
2926                         if (count < 4)
2927                                 BUFFER_FAIL(count, len,
2928                                             "3DSTATE_BINDING_TABLE_POINTERS");
2929
2930                         instr_out(data, hw_offset, 0,
2931                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
2932                                   "GS mod %d, PS mod %d\n",
2933                                   (data[0] & (1 << 8)) != 0,
2934                                   (data[0] & (1 << 9)) != 0,
2935                                   (data[0] & (1 << 12)) != 0);
2936                         instr_out(data, hw_offset, 1, "VS binding table\n");
2937                         instr_out(data, hw_offset, 2, "GS binding table\n");
2938                         instr_out(data, hw_offset, 3, "WM binding table\n");
2939                 }
2940
2941                 return len;
2942         case 0x7802:
2943                 len = (data[0] & 0xff) + 2;
2944                 if (len != 4)
2945                         fprintf(out,
2946                                 "Bad count in 3DSTATE_SAMPLER_STATE_POINTERS\n");
2947                 if (count < 4)
2948                         BUFFER_FAIL(count, len,
2949                                     "3DSTATE_SAMPLER_STATE_POINTERS");
2950                 instr_out(data, hw_offset, 0,
2951                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
2952                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
2953                           (data[0] & (1 << 9)) != 0,
2954                           (data[0] & (1 << 12)) != 0);
2955                 instr_out(data, hw_offset, 1, "VS sampler state\n");
2956                 instr_out(data, hw_offset, 2, "GS sampler state\n");
2957                 instr_out(data, hw_offset, 3, "WM sampler state\n");
2958                 return len;
2959         case 0x7805:
2960                 len = (data[0] & 0xff) + 2;
2961                 if (len != 3)
2962                         fprintf(out, "Bad count in 3DSTATE_URB\n");
2963                 if (count < 3)
2964                         BUFFER_FAIL(count, len, "3DSTATE_URB");
2965                 instr_out(data, hw_offset, 0, "3DSTATE_URB\n");
2966                 instr_out(data, hw_offset, 1,
2967                           "VS entries %d, alloc size %d (1024bit row)\n",
2968                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
2969                 instr_out(data, hw_offset, 2,
2970                           "GS entries %d, alloc size %d (1024bit row)\n",
2971                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
2972                 return len;
2973
2974         case 0x7808:
2975                 len = (data[0] & 0xff) + 2;
2976                 if ((len - 1) % 4 != 0)
2977                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
2978                 if (count < len)
2979                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_BUFFERS");
2980                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_BUFFERS\n");
2981
2982                 for (i = 1; i < len;) {
2983                         int idx, access;
2984                         if (IS_GEN6(devid)) {
2985                                 idx = 26;
2986                                 access = 20;
2987                         } else {
2988                                 idx = 27;
2989                                 access = 26;
2990                         }
2991                         instr_out(data, hw_offset, i,
2992                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
2993                                   data[i] & (1 << access) ? "random" :
2994                                   "sequential", data[i] & 0x07ff);
2995                         i++;
2996                         instr_out(data, hw_offset, i++, "buffer address\n");
2997                         instr_out(data, hw_offset, i++, "max index\n");
2998                         instr_out(data, hw_offset, i++, "mbz\n");
2999                 }
3000                 return len;
3001
3002         case 0x7809:
3003                 len = (data[0] & 0xff) + 2;
3004                 if ((len + 1) % 2 != 0)
3005                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
3006                 if (count < len)
3007                         BUFFER_FAIL(count, len, "3DSTATE_VERTEX_ELEMENTS");
3008                 instr_out(data, hw_offset, 0, "3DSTATE_VERTEX_ELEMENTS\n");
3009
3010                 for (i = 1; i < len;) {
3011                         instr_out(data, hw_offset, i,
3012                                   "buffer %d: %svalid, type 0x%04x, "
3013                                   "src offset 0x%04x bytes\n",
3014                                   data[i] >> (IS_GEN6(devid) ? 26 : 27),
3015                                   data[i] & (1 << (IS_GEN6(devid) ? 25 : 26)) ?
3016                                   "" : "in", (data[i] >> 16) & 0x1ff,
3017                                   data[i] & 0x07ff);
3018                         i++;
3019                         instr_out(data, hw_offset, i, "(%s, %s, %s, %s), "
3020                                   "dst offset 0x%02x bytes\n",
3021                                   get_965_element_component(data[i], 0),
3022                                   get_965_element_component(data[i], 1),
3023                                   get_965_element_component(data[i], 2),
3024                                   get_965_element_component(data[i], 3),
3025                                   (data[i] & 0xff) * 4);
3026                         i++;
3027                 }
3028                 return len;
3029
3030         case 0x780d:
3031                 len = (data[0] & 0xff) + 2;
3032                 if (len != 4)
3033                         fprintf(out,
3034                                 "Bad count in 3DSTATE_VIEWPORT_STATE_POINTERS\n");
3035                 if (count < len)
3036                         BUFFER_FAIL(count, len,
3037                                     "3DSTATE_VIEWPORT_STATE_POINTERS");
3038                 instr_out(data, hw_offset, 0,
3039                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3040                 instr_out(data, hw_offset, 1, "clip\n");
3041                 instr_out(data, hw_offset, 2, "sf\n");
3042                 instr_out(data, hw_offset, 3, "cc\n");
3043                 return len;
3044
3045         case 0x780a:
3046                 len = (data[0] & 0xff) + 2;
3047                 if (len != 3)
3048                         fprintf(out, "Bad count in 3DSTATE_INDEX_BUFFER\n");
3049                 if (count < len)
3050                         BUFFER_FAIL(count, len, "3DSTATE_INDEX_BUFFER");
3051                 instr_out(data, hw_offset, 0, "3DSTATE_INDEX_BUFFER\n");
3052                 instr_out(data, hw_offset, 1, "beginning buffer address\n");
3053                 instr_out(data, hw_offset, 2, "ending buffer address\n");
3054                 return len;
3055
3056         case 0x780e:
3057                 len = (data[0] & 0xff) + 2;
3058                 if (len != 4)
3059                         fprintf(out,
3060                                 "Bad count in 3DSTATE_CC_STATE_POINTERS\n");
3061                 if (count < 4)
3062                         BUFFER_FAIL(count, len, "3DSTATE_CC_STATE_POINTERS");
3063                 instr_out(data, hw_offset, 0, "3DSTATE_CC_STATE_POINTERS\n");
3064                 instr_out(data, hw_offset, 1, "blend change %d\n", data[1] & 1);
3065                 instr_out(data, hw_offset, 2, "depth stencil change %d\n",
3066                           data[2] & 1);
3067                 instr_out(data, hw_offset, 3, "cc change %d\n", data[3] & 1);
3068                 return len;
3069
3070         case 0x780f:
3071                 len = (data[0] & 0xff) + 2;
3072                 if (len != 2)
3073                         fprintf(out, "Bad count in 3DSTATE_SCISSOR_POINTERS\n");
3074                 if (count < 2)
3075                         BUFFER_FAIL(count, len, "3DSTATE_SCISSOR_POINTERS");
3076                 instr_out(data, hw_offset, 0, "3DSTATE_SCISSOR_POINTERS\n");
3077                 instr_out(data, hw_offset, 1, "scissor rect offset\n");
3078                 return len;
3079
3080         case 0x7810:
3081                 len = (data[0] & 0xff) + 2;
3082                 if (len != 6)
3083                         fprintf(out, "Bad count in 3DSTATE_VS\n");
3084                 if (count < 6)
3085                         BUFFER_FAIL(count, len, "3DSTATE_VS");
3086                 instr_out(data, hw_offset, 0, "3DSTATE_VS\n");
3087                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3088                 instr_out(data, hw_offset, 2,
3089                           "SPF=%d, VME=%d, Sampler Count %d, "
3090                           "Binding table count %d\n", (data[2] >> 31) & 1,
3091                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3092                           (data[2] >> 18) & 0xff);
3093                 instr_out(data, hw_offset, 3, "scratch offset\n");
3094                 instr_out(data, hw_offset, 4,
3095                           "Dispatch GRF start %d, VUE read length %d, "
3096                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3097                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3098                 instr_out(data, hw_offset, 5,
3099                           "Max Threads %d, Vertex Cache %sable, "
3100                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3101                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3102                           (data[5] & 1) != 0 ? "en" : "dis");
3103                 return len;
3104
3105         case 0x7811:
3106                 len = (data[0] & 0xff) + 2;
3107                 if (len != 7)
3108                         fprintf(out, "Bad count in 3DSTATE_GS\n");
3109                 if (count < 7)
3110                         BUFFER_FAIL(count, len, "3DSTATE_GS");
3111                 instr_out(data, hw_offset, 0, "3DSTATE_GS\n");
3112                 instr_out(data, hw_offset, 1, "kernel pointer\n");
3113                 instr_out(data, hw_offset, 2,
3114                           "SPF=%d, VME=%d, Sampler Count %d, "
3115                           "Binding table count %d\n", (data[2] >> 31) & 1,
3116                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3117                           (data[2] >> 18) & 0xff);
3118                 instr_out(data, hw_offset, 3, "scratch offset\n");
3119                 instr_out(data, hw_offset, 4,
3120                           "Dispatch GRF start %d, VUE read length %d, "
3121                           "VUE read offset %d\n", (data[4] & 0xf),
3122                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3123                 instr_out(data, hw_offset, 5,
3124                           "Max Threads %d, Rendering %sable\n",
3125                           ((data[5] >> 25) & 0x7f) + 1,
3126                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3127                 instr_out(data, hw_offset, 6,
3128                           "Reorder %sable, Discard Adjaceny %sable, "
3129                           "GS %sable\n",
3130                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3131                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3132                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3133                 return len;
3134
3135         case 0x7812:
3136                 len = (data[0] & 0xff) + 2;
3137                 if (len != 4)
3138                         fprintf(out, "Bad count in 3DSTATE_CLIP\n");
3139                 if (count < 4)
3140                         BUFFER_FAIL(count, len, "3DSTATE_CLIP");
3141                 instr_out(data, hw_offset, 0, "3DSTATE_CLIP\n");
3142                 instr_out(data, hw_offset, 1,
3143                           "UserClip distance cull test mask 0x%x\n",
3144                           data[1] & 0xff);
3145                 instr_out(data, hw_offset, 2,
3146                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3147                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3148                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3149                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3150                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3151                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3152                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3153                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3154                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3155                           (data[2] >> 13) & 7,
3156                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3157                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3158                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3159                           (data[2] & 3));
3160                 instr_out(data, hw_offset, 3,
3161                           "Min PointWidth %d, Max PointWidth %d, "
3162                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3163                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3164                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3165                           (data[3] & 0xf));
3166                 return len;
3167
3168         case 0x7813:
3169                 len = (data[0] & 0xff) + 2;
3170                 if (len != 20)
3171                         fprintf(out, "Bad count in 3DSTATE_SF\n");
3172                 if (count < 20)
3173                         BUFFER_FAIL(count, len, "3DSTATE_SF");
3174                 instr_out(data, hw_offset, 0, "3DSTATE_SF\n");
3175                 instr_out(data, hw_offset, 1,
3176                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3177                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3178                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3179                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3180                 instr_out(data, hw_offset, 2,
3181                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3182                           "VP transform %sable, FrontWinding_%s\n",
3183                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3184                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3185                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3186                           (data[2] & 1) != 0 ? "CCW" : "CW");
3187                 instr_out(data, hw_offset, 3,
3188                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3189                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3190                           (data[3] >> 29) & 3,
3191                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3192                           (data[3] >> 8) & 3);
3193                 instr_out(data, hw_offset, 4,
3194                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3195                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3196                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3197                           (data[4] & (1 << 11)) != 0);
3198                 instr_out(data, hw_offset, 5,
3199                           "Global Depth Offset Constant %f\n",
3200                           *(float *)(&data[5]));
3201                 instr_out(data, hw_offset, 6, "Global Depth Offset Scale %f\n",
3202                           *(float *)(&data[6]));
3203                 instr_out(data, hw_offset, 7, "Global Depth Offset Clamp %f\n",
3204                           *(float *)(&data[7]));
3205
3206                 for (i = 0, j = 0; i < 8; i++, j += 2)
3207                         instr_out(data, hw_offset, i + 8,
3208                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3209                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3210                                   j + 1,
3211                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3212                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3213                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3214                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3215                                   (data[8 + i] >> 25) & 3,
3216                                   (data[8 + i] >> 22) & 3,
3217                                   (data[8 + i] >> 16) & 0x1f, j,
3218                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3219                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3220                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3221                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3222                                   (data[8 + i] >> 9) & 3,
3223                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3224                 instr_out(data, hw_offset, 16,
3225                           "Point Sprite TexCoord Enable\n");
3226                 instr_out(data, hw_offset, 17, "Const Interp Enable\n");
3227                 instr_out(data, hw_offset, 18,
3228                           "Attrib 7-0 WrapShortest Enable\n");
3229                 instr_out(data, hw_offset, 19,
3230                           "Attrib 15-8 WrapShortest Enable\n");
3231
3232                 return len;
3233
3234         case 0x7814:
3235                 len = (data[0] & 0xff) + 2;
3236                 if (len != 9)
3237                         fprintf(out, "Bad count in 3DSTATE_WM\n");
3238                 if (count < 9)
3239                         BUFFER_FAIL(count, len, "3DSTATE_WM");
3240                 instr_out(data, hw_offset, 0, "3DSTATE_WM\n");
3241                 instr_out(data, hw_offset, 1, "kernel start pointer 0\n");
3242                 instr_out(data, hw_offset, 2,
3243                           "SPF=%d, VME=%d, Sampler Count %d, "
3244                           "Binding table count %d\n", (data[2] >> 31) & 1,
3245                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3246                           (data[2] >> 18) & 0xff);
3247                 instr_out(data, hw_offset, 3, "scratch offset\n");
3248                 instr_out(data, hw_offset, 4,
3249                           "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
3250                           "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
3251                           (data[4] & (1 << 30)) != 0,
3252                           (data[4] & (1 << 28)) != 0,
3253                           (data[4] & (1 << 27)) != 0, (data[4] >> 16) & 0x7f,
3254                           (data[4] >> 8) & 0x7f, (data[4] & 0x7f));
3255                 instr_out(data, hw_offset, 5,
3256                           "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
3257                           "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, Dispatch32 %d, "
3258                           "Dispatch16 %d, Dispatch8 %d\n",
3259                           ((data[5] >> 25) & 0x7f) + 1,
3260                           (data[5] & (1 << 22)) != 0,
3261                           (data[5] & (1 << 21)) != 0,
3262                           (data[5] & (1 << 20)) != 0,
3263                           (data[5] & (1 << 19)) != 0, (data[5] & (1 << 8)) != 0,
3264                           (data[5] & (1 << 2)) != 0, (data[5] & (1 << 1)) != 0,
3265                           (data[5] & (1 << 0)) != 0);
3266                 instr_out(data, hw_offset, 6,
3267                           "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
3268                           "Barycentric interp mode 0x%x, Point raster rule %d, Multisample mode %d, "
3269                           "Multisample Dispatch mode %d\n",
3270                           (data[6] >> 20) & 0x3f, (data[6] >> 18) & 3,
3271                           (data[6] >> 16) & 3, (data[6] >> 10) & 0x3f,
3272                           (data[6] & (1 << 9)) != 0, (data[6] >> 1) & 3,
3273                           (data[6] & 1));
3274                 instr_out(data, hw_offset, 7, "kernel start pointer 1\n");
3275                 instr_out(data, hw_offset, 8, "kernel start pointer 2\n");
3276
3277                 return len;
3278
3279         case 0x7900:
3280                 if (len != 4)
3281                         fprintf(out,
3282                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
3283                 if (count < 4)
3284                         BUFFER_FAIL(count, len, "3DSTATE_DRAWING_RECTANGLE");
3285
3286                 instr_out(data, hw_offset, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3287                 instr_out(data, hw_offset, 1, "top left: %d,%d\n",
3288                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3289                 instr_out(data, hw_offset, 2, "bottom right: %d,%d\n",
3290                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3291                 instr_out(data, hw_offset, 3, "origin: %d,%d\n",
3292                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3293
3294                 return len;
3295
3296         case 0x7905:
3297                 if (len < 5 || len > 7)
3298                         fprintf(out, "Bad count in 3DSTATE_DEPTH_BUFFER\n");
3299                 if (count < len)
3300                         BUFFER_FAIL(count, len, "3DSTATE_DEPTH_BUFFER");
3301
3302                 instr_out(data, hw_offset, 0, "3DSTATE_DEPTH_BUFFER\n");
3303                 if (IS_GEN5(devid) || IS_GEN6(devid))
3304                         instr_out(data, hw_offset, 1,
3305                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
3306                                   get_965_surfacetype(data[1] >> 29),
3307                                   get_965_depthformat((data[1] >> 18) & 0x7),
3308                                   (data[1] & 0x0001ffff) + 1,
3309                                   data[1] & (1 << 27) ? "" : "not ",
3310                                   (data[1] & (1 << 22)) != 0,
3311                                   (data[1] & (1 << 21)) != 0);
3312                 else
3313                         instr_out(data, hw_offset, 1,
3314                                   "%s, %s, pitch = %d bytes, %stiled\n",
3315                                   get_965_surfacetype(data[1] >> 29),
3316                                   get_965_depthformat((data[1] >> 18) & 0x7),
3317                                   (data[1] & 0x0001ffff) + 1,
3318                                   data[1] & (1 << 27) ? "" : "not ");
3319                 instr_out(data, hw_offset, 2, "depth offset\n");
3320                 instr_out(data, hw_offset, 3, "%dx%d\n",
3321                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3322                           ((data[3] & 0xfff80000) >> 19) + 1);
3323                 instr_out(data, hw_offset, 4, "volume depth\n");
3324                 if (len >= 6)
3325                         instr_out(data, hw_offset, 5, "\n");
3326                 if (len >= 7) {
3327                         if (IS_GEN6(devid))
3328                                 instr_out(data, hw_offset, 6, "\n");
3329                         else
3330                                 instr_out(data, hw_offset, 6,
3331                                           "render target view extent\n");
3332                 }
3333
3334                 return len;
3335
3336         case 0x7a00:
3337                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
3338                         unsigned int i;
3339                         len = (data[0] & 0xff) + 2;
3340                         if (len != 4 && len != 5)
3341                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3342                         if (count < len)
3343                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3344
3345                         switch ((data[1] >> 14) & 0x3) {
3346                         case 0:
3347                                 desc1 = "no write";
3348                                 break;
3349                         case 1:
3350                                 desc1 = "qword write";
3351                                 break;
3352                         case 2:
3353                                 desc1 = "PS_DEPTH_COUNT write";
3354                                 break;
3355                         case 3:
3356                                 desc1 = "TIMESTAMP write";
3357                                 break;
3358                         }
3359                         instr_out(data, hw_offset, 0, "PIPE_CONTROL\n");
3360                         instr_out(data, hw_offset, 1,
3361                                   "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3362                                   desc1,
3363                                   data[1] & (1 << 20) ? "cs stall, " : "",
3364                                   data[1] & (1 << 19) ?
3365                                   "global snapshot count reset, " : "",
3366                                   data[1] & (1 << 18) ? "tlb invalidate, " : "",
3367                                   data[1] & (1 << 17) ? "gfdt flush, " : "",
3368                                   data[1] & (1 << 17) ? "media state clear, " :
3369                                   "",
3370                                   data[1] & (1 << 13) ? "depth stall, " : "",
3371                                   data[1] & (1 << 12) ?
3372                                   "render target cache flush, " : "",
3373                                   data[1] & (1 << 11) ?
3374                                   "instruction cache invalidate, " : "",
3375                                   data[1] & (1 << 10) ?
3376                                   "texture cache invalidate, " : "",
3377                                   data[1] & (1 << 9) ?
3378                                   "indirect state invalidate, " : "",
3379                                   data[1] & (1 << 8) ? "notify irq, " : "",
3380                                   data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3381                                   "",
3382                                   data[1] & (1 << 6) ? "protect mem app_id, " :
3383                                   "", data[1] & (1 << 5) ? "DC flush, " : "",
3384                                   data[1] & (1 << 4) ? "vf fetch invalidate, " :
3385                                   "",
3386                                   data[1] & (1 << 3) ?
3387                                   "constant cache invalidate, " : "",
3388                                   data[1] & (1 << 2) ?
3389                                   "state cache invalidate, " : "",
3390                                   data[1] & (1 << 1) ? "stall at scoreboard, " :
3391                                   "",
3392                                   data[1] & (1 << 0) ? "depth cache flush, " :
3393                                   "");
3394                         if (len == 5) {
3395                                 instr_out(data, hw_offset, 2,
3396                                           "destination address\n");
3397                                 instr_out(data, hw_offset, 3,
3398                                           "immediate dword low\n");
3399                                 instr_out(data, hw_offset, 4,
3400                                           "immediate dword high\n");
3401                         } else {
3402                                 for (i = 2; i < len; i++) {
3403                                         instr_out(data, hw_offset, i, "\n");
3404                                 }
3405                         }
3406                         return len;
3407                 } else {
3408                         len = (data[0] & 0xff) + 2;
3409                         if (len != 4)
3410                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3411                         if (count < len)
3412                                 BUFFER_FAIL(count, len, "PIPE_CONTROL");
3413
3414                         switch ((data[0] >> 14) & 0x3) {
3415                         case 0:
3416                                 desc1 = "no write";
3417                                 break;
3418                         case 1:
3419                                 desc1 = "qword write";
3420                                 break;
3421                         case 2:
3422                                 desc1 = "PS_DEPTH_COUNT write";
3423                                 break;
3424                         case 3:
3425                                 desc1 = "TIMESTAMP write";
3426                                 break;
3427                         }
3428                         instr_out(data, hw_offset, 0,
3429                                   "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3430                                   "%sinst flush\n",
3431                                   desc1,
3432                                   data[0] & (1 << 13) ? "" : "no ",
3433                                   data[0] & (1 << 12) ? "" : "no ",
3434                                   data[0] & (1 << 11) ? "" : "no ");
3435                         instr_out(data, hw_offset, 1, "destination address\n");
3436                         instr_out(data, hw_offset, 2, "immediate dword low\n");
3437                         instr_out(data, hw_offset, 3, "immediate dword high\n");
3438                         return len;
3439                 }
3440         case 0x7b00:
3441                 len = (data[0] & 0xff) + 2;
3442                 if (len != 6)
3443                         fprintf(out, "Bad count in 3DPRIMITIVE\n");
3444                 if (count < len)
3445                         BUFFER_FAIL(count, len, "3DPRIMITIVE");
3446
3447                 instr_out(data, hw_offset, 0,
3448                           "3DPRIMITIVE: %s %s\n",
3449                           get_965_prim_type(data[0]),
3450                           (data[0] & (1 << 15)) ? "random" : "sequential");
3451                 instr_out(data, hw_offset, 1, "vertex count\n");
3452                 instr_out(data, hw_offset, 2, "start vertex\n");
3453                 instr_out(data, hw_offset, 3, "instance count\n");
3454                 instr_out(data, hw_offset, 4, "start instance\n");
3455                 instr_out(data, hw_offset, 5, "index bias\n");
3456                 return len;
3457         }
3458
3459         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3460                 opcode_3d = &opcodes_3d[idx];
3461                 if ((data[0] & 0xffff0000) >> 16 == opcode_3d->opcode) {
3462                         unsigned int i;
3463                         len = 1;
3464
3465                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3466                         if (opcode_3d->max_len > 1) {
3467                                 len = (data[0] & 0xff) + 2;
3468                                 if (len < opcode_3d->min_len ||
3469                                     len > opcode_3d->max_len) {
3470                                         fprintf(out, "Bad count in %s\n",
3471                                                 opcode_3d->name);
3472                                 }
3473                         }
3474
3475                         for (i = 1; i < len; i++) {
3476                                 if (i >= count)
3477                                         BUFFER_FAIL(count, len,
3478                                                     opcode_3d->name);
3479                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3480                         }
3481                         return len;
3482                 }
3483         }
3484
3485         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3486                   opcode);
3487         return 1;
3488 }
3489
3490 static int
3491 decode_3d_i830(struct drm_intel_decode *ctx)
3492 {
3493         unsigned int idx;
3494         uint32_t opcode;
3495         uint32_t *data = ctx->data;
3496         uint32_t hw_offset = ctx->hw_offset;
3497         uint32_t count = ctx->count;
3498
3499         struct {
3500                 uint32_t opcode;
3501                 unsigned int min_len;
3502                 unsigned int max_len;
3503                 const char *name;
3504         } opcodes_3d[] = {
3505                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3506                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3507                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3508                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3509                 { 0x06, 1, 1, "3DSTATE_AA" },
3510                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3511                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3512                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3513                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3514                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3515                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3516                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3517                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3518                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3519                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3520                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3521         }, *opcode_3d;
3522
3523         opcode = (data[0] & 0x1f000000) >> 24;
3524
3525         switch (opcode) {
3526         case 0x1f:
3527                 return decode_3d_primitive(ctx);
3528         case 0x1d:
3529                 return decode_3d_1d(ctx);
3530         case 0x1c:
3531                 return decode_3d_1c(ctx);
3532         }
3533
3534         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3535                 opcode_3d = &opcodes_3d[idx];
3536                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3537                         unsigned int len = 1, i;
3538
3539                         instr_out(data, hw_offset, 0, "%s\n", opcode_3d->name);
3540                         if (opcode_3d->max_len > 1) {
3541                                 len = (data[0] & 0xff) + 2;
3542                                 if (len < opcode_3d->min_len ||
3543                                     len > opcode_3d->max_len) {
3544                                         fprintf(out, "Bad count in %s\n",
3545                                                 opcode_3d->name);
3546                                 }
3547                         }
3548
3549                         for (i = 1; i < len; i++) {
3550                                 if (i >= count)
3551                                         BUFFER_FAIL(count, len,
3552                                                     opcode_3d->name);
3553                                 instr_out(data, hw_offset, i, "dword %d\n", i);
3554                         }
3555                         return len;
3556                 }
3557         }
3558
3559         instr_out(data, hw_offset, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3560                   opcode);
3561         return 1;
3562 }
3563
3564 struct drm_intel_decode *
3565 drm_intel_decode_context_alloc(uint32_t devid)
3566 {
3567         struct drm_intel_decode *ctx;
3568
3569         ctx = calloc(1, sizeof(struct drm_intel_decode));
3570         if (!ctx)
3571                 return NULL;
3572
3573         ctx->devid = devid;
3574         ctx->out = stdout;
3575
3576         return ctx;
3577 }
3578
3579 void
3580 drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3581 {
3582         free(ctx);
3583 }
3584
3585 void
3586 drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3587                                    int dump_past_end)
3588 {
3589         ctx->dump_past_end = !!dump_past_end;
3590 }
3591
3592 void
3593 drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3594                                    void *data, uint32_t hw_offset, int count)
3595 {
3596         ctx->base_data = data;
3597         ctx->base_hw_offset = hw_offset;
3598         ctx->base_count = count;
3599 }
3600
3601 void
3602 drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3603                                uint32_t head, uint32_t tail)
3604 {
3605         ctx->head = head;
3606         ctx->tail = tail;
3607 }
3608
3609 void
3610 drm_intel_decode_set_output_file(struct drm_intel_decode *ctx,
3611                                  FILE *out)
3612 {
3613         ctx->out = out;
3614 }
3615
3616 /**
3617  * Decodes an i830-i915 batch buffer, writing the output to stdout.
3618  *
3619  * \param data batch buffer contents
3620  * \param count number of DWORDs to decode in the batch buffer
3621  * \param hw_offset hardware address for the buffer
3622  */
3623 void
3624 drm_intel_decode(struct drm_intel_decode *ctx)
3625 {
3626         int ret;
3627         unsigned int index = 0;
3628         uint32_t devid;
3629
3630         if (!ctx)
3631                 return;
3632
3633         ctx->data = ctx->base_data;
3634         ctx->hw_offset = ctx->base_hw_offset;
3635         ctx->count = ctx->base_count;
3636
3637         devid = ctx->devid;
3638         head_offset = ctx->head;
3639         tail_offset = ctx->tail;
3640         out = ctx->out;
3641
3642         saved_s2_set = 0;
3643         saved_s4_set = 1;
3644
3645         while (ctx->count > 0) {
3646                 index = 0;
3647
3648                 switch ((ctx->data[index] & 0xe0000000) >> 29) {
3649                 case 0x0:
3650                         ret = decode_mi(ctx);
3651
3652                         /* If MI_BATCHBUFFER_END happened, then dump
3653                          * the rest of the output in case we some day
3654                          * want it in debugging, but don't decode it
3655                          * since it'll just confuse in the common
3656                          * case.
3657                          */
3658                         if (ret == -1) {
3659                                 if (ctx->dump_past_end) {
3660                                         index++;
3661                                 } else {
3662                                         for (index = index + 1; index < ctx->count;
3663                                              index++) {
3664                                                 instr_out(ctx->data,
3665                                                           ctx->hw_offset,
3666                                                           index, "\n");
3667                                         }
3668                                 }
3669                         } else
3670                                 index += ret;
3671                         break;
3672                 case 0x2:
3673                         index += decode_2d(ctx);
3674                         break;
3675                 case 0x3:
3676                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3677                                 index +=
3678                                     decode_3d_965(ctx);
3679                         } else if (IS_GEN3(devid)) {
3680                                 index += decode_3d(ctx);
3681                         } else {
3682                                 index +=
3683                                     decode_3d_i830(ctx);
3684                         }
3685                         break;
3686                 default:
3687                         instr_out(ctx->data, ctx->hw_offset, index,
3688                                   "UNKNOWN\n");
3689                         index++;
3690                         break;
3691                 }
3692                 fflush(out);
3693
3694                 if (ctx->count < index)
3695                         break;
3696
3697                 ctx->count -= index;
3698                 ctx->data += index;
3699                 ctx->hw_offset += 4 * index;
3700         }
3701 }