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 #ifdef HAVE_CONFIG_H
  25 #include "config.h"
  26 #endif
  27
  28 #include <assert.h>
  29 #include <stdint.h>
  30 #include <stdlib.h>
  31 #include <stdio.h>
  32 #include <stdbool.h>
  33 #include <stdarg.h>
  34 #include <string.h>
  35
  36 #include "libdrm_macros.h"
  37 #include "xf86drm.h"
  38 #include "intel_chipset.h"
  39 #include "intel_bufmgr.h"
  40
  41 /* Struct for tracking drm_intel_decode state. */
  42 struct drm_intel_decode {
  43         /** stdio file where the output should land.  Defaults to stdout. */
  44         FILE *out;
  45
  46         /** PCI device ID. */
  47         uint32_t devid;
  48
  49         /**
  50          * Shorthand device identifier: 3 is 915, 4 is 965, 5 is
  51          * Ironlake, etc.
  52          */
  53         int gen;
  54
  55         /** GPU address of the start of the current packet. */
  56         uint32_t hw_offset;
  57         /** CPU virtual address of the start of the current packet. */
  58         uint32_t *data;
  59         /** DWORDs of remaining batchbuffer data starting from the packet. */
  60         uint32_t count;
  61
  62         /** GPU address of the start of the batchbuffer data. */
  63         uint32_t base_hw_offset;
  64         /** CPU Virtual address of the start of the batchbuffer data. */
  65         uint32_t *base_data;
  66         /** Number of DWORDs of batchbuffer data. */
  67         uint32_t base_count;
  68
  69         /** @{
  70          * GPU head and tail pointers, which will be noted in the dump, or ~0.
  71          */
  72         uint32_t head, tail;
  73         /** @} */
  74
  75         /**
  76          * Whether to dump the dwords after MI_BATCHBUFFER_END.
  77          *
  78          * This sometimes provides clues in corrupted batchbuffers,
  79          * and is used by the intel-gpu-tools.
  80          */
  81         bool dump_past_end;
  82
  83         bool overflowed;
  84 };
  85
  86 static FILE *out;
  87 static uint32_t saved_s2 = 0, saved_s4 = 0;
  88 static char saved_s2_set = 0, saved_s4_set = 0;
  89 static uint32_t head_offset = 0xffffffff;       /* undefined */
  90 static uint32_t tail_offset = 0xffffffff;       /* undefined */
  91
  92 #ifndef ARRAY_SIZE
  93 #define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
  94 #endif
  95
  96 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  97     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  98             (_name), (_count), (_len));                         \
  99     return _count;                                              \
 100 } while (0)
 101
 102 static float int_as_float(uint32_t intval)
 103 {
 104         union intfloat {
 105                 uint32_t i;
 106                 float f;
 107         } uval;
 108
 109         uval.i = intval;
 110         return uval.f;
 111 }
 112
 113 static void DRM_PRINTFLIKE(3, 4)
 114 instr_out(struct drm_intel_decode *ctx, unsigned int index,
 115           const char *fmt, ...)
 116 {
 117         va_list va;
 118         const char *parseinfo;
 119         uint32_t offset = ctx->hw_offset + index * 4;
 120
 121         if (index > ctx->count) {
 122                 if (!ctx->overflowed) {
 123                         fprintf(out, "ERROR: Decode attempted to continue beyond end of batchbuffer\n");
 124                         ctx->overflowed = true;
 125                 }
 126                 return;
 127         }
 128
 129         if (offset == head_offset)
 130                 parseinfo = "HEAD";
 131         else if (offset == tail_offset)
 132                 parseinfo = "TAIL";
 133         else
 134                 parseinfo = "    ";
 135
 136         fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
 137                 ctx->data[index], index == 0 ? "" : "   ");
 138         va_start(va, fmt);
 139         vfprintf(out, fmt, va);
 140         va_end(va);
 141 }
 142
 143 static int
 144 decode_MI_SET_CONTEXT(struct drm_intel_decode *ctx)
 145 {
 146         uint32_t data = ctx->data[1];
 147         if (ctx->gen > 7)
 148                 return 1;
 149
 150         instr_out(ctx, 0, "MI_SET_CONTEXT\n");
 151         instr_out(ctx, 1, "gtt offset = 0x%x%s%s\n",
 152                   data & ~0xfff,
 153                   data & (1<<1)? ", Force Restore": "",
 154                   data & (1<<0)? ", Restore Inhibit": "");
 155
 156         return 2;
 157 }
 158
 159 static int
 160 decode_MI_WAIT_FOR_EVENT(struct drm_intel_decode *ctx)
 161 {
 162         const char *cc_wait;
 163         int cc_shift = 0;
 164         uint32_t data = ctx->data[0];
 165
 166         if (ctx->gen <= 5)
 167                 cc_shift = 9;
 168         else
 169                 cc_shift = 16;
 170
 171         switch ((data >> cc_shift) & 0x1f) {
 172         case 1:
 173                 cc_wait = ", cc wait 1";
 174                 break;
 175         case 2:
 176                 cc_wait = ", cc wait 2";
 177                 break;
 178         case 3:
 179                 cc_wait = ", cc wait 3";
 180                 break;
 181         case 4:
 182                 cc_wait = ", cc wait 4";
 183                 break;
 184         case 5:
 185                 cc_wait = ", cc wait 4";
 186                 break;
 187         default:
 188                 cc_wait = "";
 189                 break;
 190         }
 191
 192         if (ctx->gen <= 5) {
 193                 instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
 194                           data & (1<<18)? ", pipe B start vblank wait": "",
 195                           data & (1<<17)? ", pipe A start vblank wait": "",
 196                           data & (1<<16)? ", overlay flip pending wait": "",
 197                           data & (1<<14)? ", pipe B hblank wait": "",
 198                           data & (1<<13)? ", pipe A hblank wait": "",
 199                           cc_wait,
 200                           data & (1<<8)? ", plane C pending flip wait": "",
 201                           data & (1<<7)? ", pipe B vblank wait": "",
 202                           data & (1<<6)? ", plane B pending flip wait": "",
 203                           data & (1<<5)? ", pipe B scan line wait": "",
 204                           data & (1<<4)? ", fbc idle wait": "",
 205                           data & (1<<3)? ", pipe A vblank wait": "",
 206                           data & (1<<2)? ", plane A pending flip wait": "",
 207                           data & (1<<1)? ", plane A scan line wait": "");
 208         } else {
 209                 instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s\n",
 210                           data & (1<<20)? ", sprite C pending flip wait": "", /* ivb */
 211                           cc_wait,
 212                           data & (1<<13)? ", pipe B hblank wait": "",
 213                           data & (1<<11)? ", pipe B vblank wait": "",
 214                           data & (1<<10)? ", sprite B pending flip wait": "",
 215                           data & (1<<9)? ", plane B pending flip wait": "",
 216                           data & (1<<8)? ", plane B scan line wait": "",
 217                           data & (1<<5)? ", pipe A hblank wait": "",
 218                           data & (1<<3)? ", pipe A vblank wait": "",
 219                           data & (1<<2)? ", sprite A pending flip wait": "",
 220                           data & (1<<1)? ", plane A pending flip wait": "",
 221                           data & (1<<0)? ", plane A scan line wait": "");
 222         }
 223
 224         return 1;
 225 }
 226
 227 static int
 228 decode_mi(struct drm_intel_decode *ctx)
 229 {
 230         unsigned int opcode, len = -1;
 231         const char *post_sync_op = "";
 232         uint32_t *data = ctx->data;
 233
 234         struct {
 235                 uint32_t opcode;
 236                 int len_mask;
 237                 unsigned int min_len;
 238                 unsigned int max_len;
 239                 const char *name;
 240                 int (*func)(struct drm_intel_decode *ctx);
 241         } opcodes_mi[] = {
 242                 { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
 243                 { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
 244                 { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
 245                 { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
 246                 { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
 247                 { 0x04, 0, 1, 1, "MI_FLUSH" },
 248                 { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
 249                 { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 250                 { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 251                 { 0x00, 0, 1, 1, "MI_NOOP" },
 252                 { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
 253                 { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
 254                 { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT", decode_MI_SET_CONTEXT },
 255                 { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
 256                 { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
 257                 { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
 258                 { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
 259                 { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT", decode_MI_WAIT_FOR_EVENT },
 260                 { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
 261                 { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
 262                 { 0x28, 0x3f, 3, 3, "MI_REPORT_PERF_COUNT" },
 263                 { 0x29, 0xff, 3, 3, "MI_LOAD_REGISTER_MEM" },
 264                 { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
 265         }, *opcode_mi = NULL;
 266
 267         /* check instruction length */
 268         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 269              opcode++) {
 270                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 271                         len = 1;
 272                         if (opcodes_mi[opcode].max_len > 1) {
 273                                 len =
 274                                     (data[0] & opcodes_mi[opcode].len_mask) + 2;
 275                                 if (len < opcodes_mi[opcode].min_len
 276                                     || len > opcodes_mi[opcode].max_len) {
 277                                         fprintf(out,
 278                                                 "Bad length (%d) in %s, [%d, %d]\n",
 279                                                 len, opcodes_mi[opcode].name,
 280                                                 opcodes_mi[opcode].min_len,
 281                                                 opcodes_mi[opcode].max_len);
 282                                 }
 283                         }
 284                         opcode_mi = &opcodes_mi[opcode];
 285                         break;
 286                 }
 287         }
 288
 289         if (opcode_mi && opcode_mi->func)
 290                 return opcode_mi->func(ctx);
 291
 292         switch ((data[0] & 0x1f800000) >> 23) {
 293         case 0x0a:
 294                 instr_out(ctx, 0, "MI_BATCH_BUFFER_END\n");
 295                 return -1;
 296         case 0x16:
 297                 instr_out(ctx, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
 298                           data[0] & (1 << 22) ? " global gtt," : "",
 299                           data[0] & (1 << 21) ? " update semaphore," : "",
 300                           data[0] & (1 << 20) ? " compare semaphore," : "",
 301                           data[0] & (1 << 18) ? " use compare reg" : "",
 302                           (data[0] & (0x3 << 16)) >> 16);
 303                 instr_out(ctx, 1, "value\n");
 304                 instr_out(ctx, 2, "address\n");
 305                 return len;
 306         case 0x21:
 307                 instr_out(ctx, 0, "MI_STORE_DATA_INDEX%s\n",
 308                           data[0] & (1 << 21) ? " use per-process HWS," : "");
 309                 instr_out(ctx, 1, "index\n");
 310                 instr_out(ctx, 2, "dword\n");
 311                 if (len == 4)
 312                         instr_out(ctx, 3, "upper dword\n");
 313                 return len;
 314         case 0x00:
 315                 if (data[0] & (1 << 22))
 316                         instr_out(ctx, 0,
 317                                   "MI_NOOP write NOPID reg, val=0x%x\n",
 318                                   data[0] & ((1 << 22) - 1));
 319                 else
 320                         instr_out(ctx, 0, "MI_NOOP\n");
 321                 return len;
 322         case 0x26:
 323                 switch (data[0] & (0x3 << 14)) {
 324                 case (0 << 14):
 325                         post_sync_op = "no write";
 326                         break;
 327                 case (1 << 14):
 328                         post_sync_op = "write data";
 329                         break;
 330                 case (2 << 14):
 331                         post_sync_op = "reserved";
 332                         break;
 333                 case (3 << 14):
 334                         post_sync_op = "write TIMESTAMP";
 335                         break;
 336                 }
 337                 instr_out(ctx, 0,
 338                           "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
 339                           data[0] & (1 << 22) ?
 340                           " enable protected mem (BCS-only)," : "",
 341                           data[0] & (1 << 21) ? " store in hws," : "",
 342                           data[0] & (1 << 18) ? " invalidate tlb," : "",
 343                           data[0] & (1 << 17) ? " flush gfdt," : "",
 344                           post_sync_op,
 345                           data[0] & (1 << 8) ? " enable notify interrupt," : "",
 346                           data[0] & (1 << 7) ?
 347                           " invalidate video state (BCS-only)," : "");
 348                 if (data[0] & (1 << 21))
 349                         instr_out(ctx, 1, "hws index\n");
 350                 else
 351                         instr_out(ctx, 1, "address\n");
 352                 instr_out(ctx, 2, "dword\n");
 353                 if (len == 4)
 354                         instr_out(ctx, 3, "upper dword\n");
 355                 return len;
 356         }
 357
 358         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 359              opcode++) {
 360                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 361                         unsigned int i;
 362
 363                         instr_out(ctx, 0, "%s\n",
 364                                   opcodes_mi[opcode].name);
 365                         for (i = 1; i < len; i++) {
 366                                 instr_out(ctx, i, "dword %d\n", i);
 367                         }
 368
 369                         return len;
 370                 }
 371         }
 372
 373         instr_out(ctx, 0, "MI UNKNOWN\n");
 374         return 1;
 375 }
 376
 377 static void
 378 decode_2d_br00(struct drm_intel_decode *ctx, const char *cmd)
 379 {
 380         instr_out(ctx, 0,
 381                   "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
 382                   cmd,
 383                   (ctx->data[0] & (1 << 20)) ? "en" : "dis",
 384                   (ctx->data[0] & (1 << 21)) ? "en" : "dis",
 385                   (ctx->data[0] >> 15) & 1,
 386                   (ctx->data[0] >> 11) & 1);
 387 }
 388
 389 static void
 390 decode_2d_br01(struct drm_intel_decode *ctx)
 391 {
 392         const char *format;
 393         switch ((ctx->data[1] >> 24) & 0x3) {
 394         case 0:
 395                 format = "8";
 396                 break;
 397         case 1:
 398                 format = "565";
 399                 break;
 400         case 2:
 401                 format = "1555";
 402                 break;
 403         case 3:
 404                 format = "8888";
 405                 break;
 406         }
 407
 408         instr_out(ctx, 1,
 409                   "format %s, pitch %d, rop 0x%02x, "
 410                   "clipping %sabled, %s%s \n",
 411                   format,
 412                   (short)(ctx->data[1] & 0xffff),
 413                   (ctx->data[1] >> 16) & 0xff,
 414                   ctx->data[1] & (1 << 30) ? "en" : "dis",
 415                   ctx->data[1] & (1 << 31) ? "solid pattern enabled, " : "",
 416                   ctx->data[1] & (1 << 31) ?
 417                   "mono pattern transparency enabled, " : "");
 418
 419 }
 420
 421 static int
 422 decode_2d(struct drm_intel_decode *ctx)
 423 {
 424         unsigned int opcode, len;
 425         uint32_t *data = ctx->data;
 426
 427         struct {
 428                 uint32_t opcode;
 429                 unsigned int min_len;
 430                 unsigned int max_len;
 431                 const char *name;
 432         } opcodes_2d[] = {
 433                 { 0x40, 5, 5, "COLOR_BLT" },
 434                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 435                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 436                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 437                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 438                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 439                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 440                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 441                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 442                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 443                 { 0x51, 6, 6, "XY_PAT_BLT" },
 444                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 445                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 446                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 447                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 448                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 449                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 450                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 451                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 452                 { 0x55, 9, 9, "XY_FULL_BLT" },
 453                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 454                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 455                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 456                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 457                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 458         };
 459
 460         switch ((data[0] & 0x1fc00000) >> 22) {
 461         case 0x25:
 462                 instr_out(ctx, 0,
 463                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 464                           (data[0] >> 12) & 0x8,
 465                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 466
 467                 len = (data[0] & 0x000000ff) + 2;
 468                 if (len != 3)
 469                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 470
 471                 instr_out(ctx, 1, "dest (%d,%d)\n",
 472                           data[1] & 0xffff, data[1] >> 16);
 473                 instr_out(ctx, 2, "dest (%d,%d)\n",
 474                           data[2] & 0xffff, data[2] >> 16);
 475                 return len;
 476         case 0x01:
 477                 decode_2d_br00(ctx, "XY_SETUP_BLT");
 478
 479                 len = (data[0] & 0x000000ff) + 2;
 480                 if (len != 8)
 481                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 482
 483                 decode_2d_br01(ctx);
 484                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 485                           data[2] & 0xffff, data[2] >> 16);
 486                 instr_out(ctx, 3, "cliprect (%d,%d)\n",
 487                           data[3] & 0xffff, data[3] >> 16);
 488                 instr_out(ctx, 4, "setup dst offset 0x%08x\n",
 489                           data[4]);
 490                 instr_out(ctx, 5, "setup background color\n");
 491                 instr_out(ctx, 6, "setup foreground color\n");
 492                 instr_out(ctx, 7, "color pattern offset\n");
 493                 return len;
 494         case 0x03:
 495                 decode_2d_br00(ctx, "XY_SETUP_CLIP_BLT");
 496
 497                 len = (data[0] & 0x000000ff) + 2;
 498                 if (len != 3)
 499                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 500
 501                 instr_out(ctx, 1, "cliprect (%d,%d)\n",
 502                           data[1] & 0xffff, data[2] >> 16);
 503                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 504                           data[2] & 0xffff, data[3] >> 16);
 505                 return len;
 506         case 0x11:
 507                 decode_2d_br00(ctx, "XY_SETUP_MONO_PATTERN_SL_BLT");
 508
 509                 len = (data[0] & 0x000000ff) + 2;
 510                 if (len != 9)
 511                         fprintf(out,
 512                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 513
 514                 decode_2d_br01(ctx);
 515                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 516                           data[2] & 0xffff, data[2] >> 16);
 517                 instr_out(ctx, 3, "cliprect (%d,%d)\n",
 518                           data[3] & 0xffff, data[3] >> 16);
 519                 instr_out(ctx, 4, "setup dst offset 0x%08x\n",
 520                           data[4]);
 521                 instr_out(ctx, 5, "setup background color\n");
 522                 instr_out(ctx, 6, "setup foreground color\n");
 523                 instr_out(ctx, 7, "mono pattern dw0\n");
 524                 instr_out(ctx, 8, "mono pattern dw1\n");
 525                 return len;
 526         case 0x50:
 527                 decode_2d_br00(ctx, "XY_COLOR_BLT");
 528
 529                 len = (data[0] & 0x000000ff) + 2;
 530                 if (len != 6)
 531                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 532
 533                 decode_2d_br01(ctx);
 534                 instr_out(ctx, 2, "(%d,%d)\n",
 535                           data[2] & 0xffff, data[2] >> 16);
 536                 instr_out(ctx, 3, "(%d,%d)\n",
 537                           data[3] & 0xffff, data[3] >> 16);
 538                 instr_out(ctx, 4, "offset 0x%08x\n", data[4]);
 539                 instr_out(ctx, 5, "color\n");
 540                 return len;
 541         case 0x53:
 542                 decode_2d_br00(ctx, "XY_SRC_COPY_BLT");
 543
 544                 len = (data[0] & 0x000000ff) + 2;
 545                 if (len != 8)
 546                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 547
 548                 decode_2d_br01(ctx);
 549                 instr_out(ctx, 2, "dst (%d,%d)\n",
 550                           data[2] & 0xffff, data[2] >> 16);
 551                 instr_out(ctx, 3, "dst (%d,%d)\n",
 552                           data[3] & 0xffff, data[3] >> 16);
 553                 instr_out(ctx, 4, "dst offset 0x%08x\n", data[4]);
 554                 instr_out(ctx, 5, "src (%d,%d)\n",
 555                           data[5] & 0xffff, data[5] >> 16);
 556                 instr_out(ctx, 6, "src pitch %d\n",
 557                           (short)(data[6] & 0xffff));
 558                 instr_out(ctx, 7, "src offset 0x%08x\n", data[7]);
 559                 return len;
 560         }
 561
 562         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 563              opcode++) {
 564                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 565                         unsigned int i;
 566
 567                         len = 1;
 568                         instr_out(ctx, 0, "%s\n",
 569                                   opcodes_2d[opcode].name);
 570                         if (opcodes_2d[opcode].max_len > 1) {
 571                                 len = (data[0] & 0x000000ff) + 2;
 572                                 if (len < opcodes_2d[opcode].min_len ||
 573                                     len > opcodes_2d[opcode].max_len) {
 574                                         fprintf(out, "Bad count in %s\n",
 575                                                 opcodes_2d[opcode].name);
 576                                 }
 577                         }
 578
 579                         for (i = 1; i < len; i++) {
 580                                 instr_out(ctx, i, "dword %d\n", i);
 581                         }
 582
 583                         return len;
 584                 }
 585         }
 586
 587         instr_out(ctx, 0, "2D UNKNOWN\n");
 588         return 1;
 589 }
 590
 591 static int
 592 decode_3d_1c(struct drm_intel_decode *ctx)
 593 {
 594         uint32_t *data = ctx->data;
 595         uint32_t opcode;
 596
 597         opcode = (data[0] & 0x00f80000) >> 19;
 598
 599         switch (opcode) {
 600         case 0x11:
 601                 instr_out(ctx, 0,
 602                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 603                 return 1;
 604         case 0x10:
 605                 instr_out(ctx, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 606                           data[0] & 1 ? "enabled" : "disabled");
 607                 return 1;
 608         case 0x01:
 609                 instr_out(ctx, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 610                 return 1;
 611         case 0x0a:
 612                 instr_out(ctx, 0, "3DSTATE_MAP_CUBE_I830\n");
 613                 return 1;
 614         case 0x05:
 615                 instr_out(ctx, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 616                 return 1;
 617         }
 618
 619         instr_out(ctx, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 620                   opcode);
 621         return 1;
 622 }
 623
 624 /** Sets the string dstname to describe the destination of the PS instruction */
 625 static void
 626 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 627 {
 628         uint32_t a0 = data[i];
 629         int dst_nr = (a0 >> 14) & 0xf;
 630         char dstmask[8];
 631         const char *sat;
 632
 633         if (do_mask) {
 634                 if (((a0 >> 10) & 0xf) == 0xf) {
 635                         dstmask[0] = 0;
 636                 } else {
 637                         int dstmask_index = 0;
 638
 639                         dstmask[dstmask_index++] = '.';
 640                         if (a0 & (1 << 10))
 641                                 dstmask[dstmask_index++] = 'x';
 642                         if (a0 & (1 << 11))
 643                                 dstmask[dstmask_index++] = 'y';
 644                         if (a0 & (1 << 12))
 645                                 dstmask[dstmask_index++] = 'z';
 646                         if (a0 & (1 << 13))
 647                                 dstmask[dstmask_index++] = 'w';
 648                         dstmask[dstmask_index++] = 0;
 649                 }
 650
 651                 if (a0 & (1 << 22))
 652                         sat = ".sat";
 653                 else
 654                         sat = "";
 655         } else {
 656                 dstmask[0] = 0;
 657                 sat = "";
 658         }
 659
 660         switch ((a0 >> 19) & 0x7) {
 661         case 0:
 662                 if (dst_nr > 15)
 663                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 664                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 665                 break;
 666         case 4:
 667                 if (dst_nr > 0)
 668                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 669                 sprintf(dstname, "oC%s%s", dstmask, sat);
 670                 break;
 671         case 5:
 672                 if (dst_nr > 0)
 673                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 674                 sprintf(dstname, "oD%s%s", dstmask, sat);
 675                 break;
 676         case 6:
 677                 if (dst_nr > 3)
 678                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 679                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 680                 break;
 681         default:
 682                 sprintf(dstname, "RESERVED");
 683                 break;
 684         }
 685 }
 686
 687 static const char *
 688 i915_get_channel_swizzle(uint32_t select)
 689 {
 690         switch (select & 0x7) {
 691         case 0:
 692                 return (select & 8) ? "-x" : "x";
 693         case 1:
 694                 return (select & 8) ? "-y" : "y";
 695         case 2:
 696                 return (select & 8) ? "-z" : "z";
 697         case 3:
 698                 return (select & 8) ? "-w" : "w";
 699         case 4:
 700                 return (select & 8) ? "-0" : "0";
 701         case 5:
 702                 return (select & 8) ? "-1" : "1";
 703         default:
 704                 return (select & 8) ? "-bad" : "bad";
 705         }
 706 }
 707
 708 static void
 709 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 710 {
 711         switch (src_type) {
 712         case 0:
 713                 sprintf(name, "R%d", src_nr);
 714                 if (src_nr > 15)
 715                         fprintf(out, "bad src reg %s\n", name);
 716                 break;
 717         case 1:
 718                 if (src_nr < 8)
 719                         sprintf(name, "T%d", src_nr);
 720                 else if (src_nr == 8)
 721                         sprintf(name, "DIFFUSE");
 722                 else if (src_nr == 9)
 723                         sprintf(name, "SPECULAR");
 724                 else if (src_nr == 10)
 725                         sprintf(name, "FOG");
 726                 else {
 727                         fprintf(out, "bad src reg T%d\n", src_nr);
 728                         sprintf(name, "RESERVED");
 729                 }
 730                 break;
 731         case 2:
 732                 sprintf(name, "C%d", src_nr);
 733                 if (src_nr > 31)
 734                         fprintf(out, "bad src reg %s\n", name);
 735                 break;
 736         case 4:
 737                 sprintf(name, "oC");
 738                 if (src_nr > 0)
 739                         fprintf(out, "bad src reg oC%d\n", src_nr);
 740                 break;
 741         case 5:
 742                 sprintf(name, "oD");
 743                 if (src_nr > 0)
 744                         fprintf(out, "bad src reg oD%d\n", src_nr);
 745                 break;
 746         case 6:
 747                 sprintf(name, "U%d", src_nr);
 748                 if (src_nr > 3)
 749                         fprintf(out, "bad src reg %s\n", name);
 750                 break;
 751         default:
 752                 fprintf(out, "bad src reg type %d\n", src_type);
 753                 sprintf(name, "RESERVED");
 754                 break;
 755         }
 756 }
 757
 758 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 759 {
 760         uint32_t a0 = data[i];
 761         uint32_t a1 = data[i + 1];
 762         int src_nr = (a0 >> 2) & 0x1f;
 763         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 764         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 765         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 766         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 767         char swizzle[100];
 768
 769         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 770         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 771                 swizzle_w);
 772         if (strcmp(swizzle, ".xyzw") != 0)
 773                 strcat(srcname, swizzle);
 774 }
 775
 776 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 777 {
 778         uint32_t a1 = data[i + 1];
 779         uint32_t a2 = data[i + 2];
 780         int src_nr = (a1 >> 8) & 0x1f;
 781         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 782         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 783         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 784         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 785         char swizzle[100];
 786
 787         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 788         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 789                 swizzle_w);
 790         if (strcmp(swizzle, ".xyzw") != 0)
 791                 strcat(srcname, swizzle);
 792 }
 793
 794 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 795 {
 796         uint32_t a2 = data[i + 2];
 797         int src_nr = (a2 >> 16) & 0x1f;
 798         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 799         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 800         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 801         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 802         char swizzle[100];
 803
 804         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 805         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 806                 swizzle_w);
 807         if (strcmp(swizzle, ".xyzw") != 0)
 808                 strcat(srcname, swizzle);
 809 }
 810
 811 static void
 812 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 813 {
 814         switch (src_type) {
 815         case 0:
 816                 sprintf(name, "R%d", src_nr);
 817                 if (src_nr > 15)
 818                         fprintf(out, "bad src reg %s\n", name);
 819                 break;
 820         case 1:
 821                 if (src_nr < 8)
 822                         sprintf(name, "T%d", src_nr);
 823                 else if (src_nr == 8)
 824                         sprintf(name, "DIFFUSE");
 825                 else if (src_nr == 9)
 826                         sprintf(name, "SPECULAR");
 827                 else if (src_nr == 10)
 828                         sprintf(name, "FOG");
 829                 else {
 830                         fprintf(out, "bad src reg T%d\n", src_nr);
 831                         sprintf(name, "RESERVED");
 832                 }
 833                 break;
 834         case 4:
 835                 sprintf(name, "oC");
 836                 if (src_nr > 0)
 837                         fprintf(out, "bad src reg oC%d\n", src_nr);
 838                 break;
 839         case 5:
 840                 sprintf(name, "oD");
 841                 if (src_nr > 0)
 842                         fprintf(out, "bad src reg oD%d\n", src_nr);
 843                 break;
 844         default:
 845                 fprintf(out, "bad src reg type %d\n", src_type);
 846                 sprintf(name, "RESERVED");
 847                 break;
 848         }
 849 }
 850
 851 static void
 852 i915_decode_alu1(struct drm_intel_decode *ctx,
 853                  int i, char *instr_prefix, const char *op_name)
 854 {
 855         char dst[100], src0[100];
 856
 857         i915_get_instruction_dst(ctx->data, i, dst, 1);
 858         i915_get_instruction_src0(ctx->data, i, src0);
 859
 860         instr_out(ctx, i++, "%s: %s %s, %s\n", instr_prefix,
 861                   op_name, dst, src0);
 862         instr_out(ctx, i++, "%s\n", instr_prefix);
 863         instr_out(ctx, i++, "%s\n", instr_prefix);
 864 }
 865
 866 static void
 867 i915_decode_alu2(struct drm_intel_decode *ctx,
 868                  int i, char *instr_prefix, const char *op_name)
 869 {
 870         char dst[100], src0[100], src1[100];
 871
 872         i915_get_instruction_dst(ctx->data, i, dst, 1);
 873         i915_get_instruction_src0(ctx->data, i, src0);
 874         i915_get_instruction_src1(ctx->data, i, src1);
 875
 876         instr_out(ctx, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 877                   op_name, dst, src0, src1);
 878         instr_out(ctx, i++, "%s\n", instr_prefix);
 879         instr_out(ctx, i++, "%s\n", instr_prefix);
 880 }
 881
 882 static void
 883 i915_decode_alu3(struct drm_intel_decode *ctx,
 884                  int i, char *instr_prefix, const char *op_name)
 885 {
 886         char dst[100], src0[100], src1[100], src2[100];
 887
 888         i915_get_instruction_dst(ctx->data, i, dst, 1);
 889         i915_get_instruction_src0(ctx->data, i, src0);
 890         i915_get_instruction_src1(ctx->data, i, src1);
 891         i915_get_instruction_src2(ctx->data, i, src2);
 892
 893         instr_out(ctx, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 894                   op_name, dst, src0, src1, src2);
 895         instr_out(ctx, i++, "%s\n", instr_prefix);
 896         instr_out(ctx, i++, "%s\n", instr_prefix);
 897 }
 898
 899 static void
 900 i915_decode_tex(struct drm_intel_decode *ctx, int i,
 901                 const char *instr_prefix, const char *tex_name)
 902 {
 903         uint32_t t0 = ctx->data[i];
 904         uint32_t t1 = ctx->data[i + 1];
 905         char dst_name[100];
 906         char addr_name[100];
 907         int sampler_nr;
 908
 909         i915_get_instruction_dst(ctx->data, i, dst_name, 0);
 910         i915_get_instruction_addr((t1 >> 24) & 0x7,
 911                                   (t1 >> 17) & 0xf, addr_name);
 912         sampler_nr = t0 & 0xf;
 913
 914         instr_out(ctx, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 915                   tex_name, dst_name, sampler_nr, addr_name);
 916         instr_out(ctx, i++, "%s\n", instr_prefix);
 917         instr_out(ctx, i++, "%s\n", instr_prefix);
 918 }
 919
 920 static void
 921 i915_decode_dcl(struct drm_intel_decode *ctx, int i, char *instr_prefix)
 922 {
 923         uint32_t d0 = ctx->data[i];
 924         const char *sampletype;
 925         int dcl_nr = (d0 >> 14) & 0xf;
 926         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 927         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 928         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 929         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 930         char dcl_mask[10];
 931
 932         switch ((d0 >> 19) & 0x3) {
 933         case 1:
 934                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 935                 if (strcmp(dcl_mask, ".") == 0)
 936                         fprintf(out, "bad (empty) dcl mask\n");
 937
 938                 if (dcl_nr > 10)
 939                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 940                 if (dcl_nr < 8) {
 941                         if (strcmp(dcl_mask, ".x") != 0 &&
 942                             strcmp(dcl_mask, ".xy") != 0 &&
 943                             strcmp(dcl_mask, ".xz") != 0 &&
 944                             strcmp(dcl_mask, ".w") != 0 &&
 945                             strcmp(dcl_mask, ".xyzw") != 0) {
 946                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 947                                         dcl_mask);
 948                         }
 949                         instr_out(ctx, i++, "%s: DCL T%d%s\n",
 950                                   instr_prefix, dcl_nr, dcl_mask);
 951                 } else {
 952                         if (strcmp(dcl_mask, ".xz") == 0)
 953                                 fprintf(out, "errataed bad dcl mask %s\n",
 954                                         dcl_mask);
 955                         else if (strcmp(dcl_mask, ".xw") == 0)
 956                                 fprintf(out, "errataed bad dcl mask %s\n",
 957                                         dcl_mask);
 958                         else if (strcmp(dcl_mask, ".xzw") == 0)
 959                                 fprintf(out, "errataed bad dcl mask %s\n",
 960                                         dcl_mask);
 961
 962                         if (dcl_nr == 8) {
 963                                 instr_out(ctx, i++,
 964                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 965                                           dcl_mask);
 966                         } else if (dcl_nr == 9) {
 967                                 instr_out(ctx, i++,
 968                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 969                                           dcl_mask);
 970                         } else if (dcl_nr == 10) {
 971                                 instr_out(ctx, i++,
 972                                           "%s: DCL FOG%s\n", instr_prefix,
 973                                           dcl_mask);
 974                         }
 975                 }
 976                 instr_out(ctx, i++, "%s\n", instr_prefix);
 977                 instr_out(ctx, i++, "%s\n", instr_prefix);
 978                 break;
 979         case 3:
 980                 switch ((d0 >> 22) & 0x3) {
 981                 case 0:
 982                         sampletype = "2D";
 983                         break;
 984                 case 1:
 985                         sampletype = "CUBE";
 986                         break;
 987                 case 2:
 988                         sampletype = "3D";
 989                         break;
 990                 default:
 991                         sampletype = "RESERVED";
 992                         break;
 993                 }
 994                 if (dcl_nr > 15)
 995                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 996                 instr_out(ctx, i++, "%s: DCL S%d %s\n",
 997                           instr_prefix, dcl_nr, sampletype);
 998                 instr_out(ctx, i++, "%s\n", instr_prefix);
 999                 instr_out(ctx, i++, "%s\n", instr_prefix);
1000                 break;
1001         default:
1002                 instr_out(ctx, i++, "%s: DCL RESERVED%d\n",
1003                           instr_prefix, dcl_nr);
1004                 instr_out(ctx, i++, "%s\n", instr_prefix);
1005                 instr_out(ctx, i++, "%s\n", instr_prefix);
1006         }
1007 }
1008
1009 static void
1010 i915_decode_instruction(struct drm_intel_decode *ctx,
1011                         int i, char *instr_prefix)
1012 {
1013         switch ((ctx->data[i] >> 24) & 0x1f) {
1014         case 0x0:
1015                 instr_out(ctx, i++, "%s: NOP\n", instr_prefix);
1016                 instr_out(ctx, i++, "%s\n", instr_prefix);
1017                 instr_out(ctx, i++, "%s\n", instr_prefix);
1018                 break;
1019         case 0x01:
1020                 i915_decode_alu2(ctx, i, instr_prefix, "ADD");
1021                 break;
1022         case 0x02:
1023                 i915_decode_alu1(ctx, i, instr_prefix, "MOV");
1024                 break;
1025         case 0x03:
1026                 i915_decode_alu2(ctx, i, instr_prefix, "MUL");
1027                 break;
1028         case 0x04:
1029                 i915_decode_alu3(ctx, i, instr_prefix, "MAD");
1030                 break;
1031         case 0x05:
1032                 i915_decode_alu3(ctx, i, instr_prefix, "DP2ADD");
1033                 break;
1034         case 0x06:
1035                 i915_decode_alu2(ctx, i, instr_prefix, "DP3");
1036                 break;
1037         case 0x07:
1038                 i915_decode_alu2(ctx, i, instr_prefix, "DP4");
1039                 break;
1040         case 0x08:
1041                 i915_decode_alu1(ctx, i, instr_prefix, "FRC");
1042                 break;
1043         case 0x09:
1044                 i915_decode_alu1(ctx, i, instr_prefix, "RCP");
1045                 break;
1046         case 0x0a:
1047                 i915_decode_alu1(ctx, i, instr_prefix, "RSQ");
1048                 break;
1049         case 0x0b:
1050                 i915_decode_alu1(ctx, i, instr_prefix, "EXP");
1051                 break;
1052         case 0x0c:
1053                 i915_decode_alu1(ctx, i, instr_prefix, "LOG");
1054                 break;
1055         case 0x0d:
1056                 i915_decode_alu2(ctx, i, instr_prefix, "CMP");
1057                 break;
1058         case 0x0e:
1059                 i915_decode_alu2(ctx, i, instr_prefix, "MIN");
1060                 break;
1061         case 0x0f:
1062                 i915_decode_alu2(ctx, i, instr_prefix, "MAX");
1063                 break;
1064         case 0x10:
1065                 i915_decode_alu1(ctx, i, instr_prefix, "FLR");
1066                 break;
1067         case 0x11:
1068                 i915_decode_alu1(ctx, i, instr_prefix, "MOD");
1069                 break;
1070         case 0x12:
1071                 i915_decode_alu1(ctx, i, instr_prefix, "TRC");
1072                 break;
1073         case 0x13:
1074                 i915_decode_alu2(ctx, i, instr_prefix, "SGE");
1075                 break;
1076         case 0x14:
1077                 i915_decode_alu2(ctx, i, instr_prefix, "SLT");
1078                 break;
1079         case 0x15:
1080                 i915_decode_tex(ctx, i, instr_prefix, "TEXLD");
1081                 break;
1082         case 0x16:
1083                 i915_decode_tex(ctx, i, instr_prefix, "TEXLDP");
1084                 break;
1085         case 0x17:
1086                 i915_decode_tex(ctx, i, instr_prefix, "TEXLDB");
1087                 break;
1088         case 0x19:
1089                 i915_decode_dcl(ctx, i, instr_prefix);
1090                 break;
1091         default:
1092                 instr_out(ctx, i++, "%s: unknown\n", instr_prefix);
1093                 instr_out(ctx, i++, "%s\n", instr_prefix);
1094                 instr_out(ctx, i++, "%s\n", instr_prefix);
1095                 break;
1096         }
1097 }
1098
1099 static const char *
1100 decode_compare_func(uint32_t op)
1101 {
1102         switch (op & 0x7) {
1103         case 0:
1104                 return "always";
1105         case 1:
1106                 return "never";
1107         case 2:
1108                 return "less";
1109         case 3:
1110                 return "equal";
1111         case 4:
1112                 return "lequal";
1113         case 5:
1114                 return "greater";
1115         case 6:
1116                 return "notequal";
1117         case 7:
1118                 return "gequal";
1119         }
1120         return "";
1121 }
1122
1123 static const char *
1124 decode_stencil_op(uint32_t op)
1125 {
1126         switch (op & 0x7) {
1127         case 0:
1128                 return "keep";
1129         case 1:
1130                 return "zero";
1131         case 2:
1132                 return "replace";
1133         case 3:
1134                 return "incr_sat";
1135         case 4:
1136                 return "decr_sat";
1137         case 5:
1138                 return "greater";
1139         case 6:
1140                 return "incr";
1141         case 7:
1142                 return "decr";
1143         }
1144         return "";
1145 }
1146
1147 #if 0
1148 static const char *
1149 decode_logic_op(uint32_t op)
1150 {
1151         switch (op & 0xf) {
1152         case 0:
1153                 return "clear";
1154         case 1:
1155                 return "nor";
1156         case 2:
1157                 return "and_inv";
1158         case 3:
1159                 return "copy_inv";
1160         case 4:
1161                 return "and_rvrse";
1162         case 5:
1163                 return "inv";
1164         case 6:
1165                 return "xor";
1166         case 7:
1167                 return "nand";
1168         case 8:
1169                 return "and";
1170         case 9:
1171                 return "equiv";
1172         case 10:
1173                 return "noop";
1174         case 11:
1175                 return "or_inv";
1176         case 12:
1177                 return "copy";
1178         case 13:
1179                 return "or_rvrse";
1180         case 14:
1181                 return "or";
1182         case 15:
1183                 return "set";
1184         }
1185         return "";
1186 }
1187 #endif
1188
1189 static const char *
1190 decode_blend_fact(uint32_t op)
1191 {
1192         switch (op & 0xf) {
1193         case 1:
1194                 return "zero";
1195         case 2:
1196                 return "one";
1197         case 3:
1198                 return "src_colr";
1199         case 4:
1200                 return "inv_src_colr";
1201         case 5:
1202                 return "src_alpha";
1203         case 6:
1204                 return "inv_src_alpha";
1205         case 7:
1206                 return "dst_alpha";
1207         case 8:
1208                 return "inv_dst_alpha";
1209         case 9:
1210                 return "dst_colr";
1211         case 10:
1212                 return "inv_dst_colr";
1213         case 11:
1214                 return "src_alpha_sat";
1215         case 12:
1216                 return "cnst_colr";
1217         case 13:
1218                 return "inv_cnst_colr";
1219         case 14:
1220                 return "cnst_alpha";
1221         case 15:
1222                 return "inv_const_alpha";
1223         }
1224         return "";
1225 }
1226
1227 static const char *
1228 decode_tex_coord_mode(uint32_t mode)
1229 {
1230         switch (mode & 0x7) {
1231         case 0:
1232                 return "wrap";
1233         case 1:
1234                 return "mirror";
1235         case 2:
1236                 return "clamp_edge";
1237         case 3:
1238                 return "cube";
1239         case 4:
1240                 return "clamp_border";
1241         case 5:
1242                 return "mirror_once";
1243         }
1244         return "";
1245 }
1246
1247 static const char *
1248 decode_sample_filter(uint32_t mode)
1249 {
1250         switch (mode & 0x7) {
1251         case 0:
1252                 return "nearest";
1253         case 1:
1254                 return "linear";
1255         case 2:
1256                 return "anisotropic";
1257         case 3:
1258                 return "4x4_1";
1259         case 4:
1260                 return "4x4_2";
1261         case 5:
1262                 return "4x4_flat";
1263         case 6:
1264                 return "6x5_mono";
1265         }
1266         return "";
1267 }
1268
1269 static int
1270 decode_3d_1d(struct drm_intel_decode *ctx)
1271 {
1272         unsigned int len, i, c, idx, word, map, sampler, instr;
1273         const char *format, *zformat, *type;
1274         uint32_t opcode;
1275         uint32_t *data = ctx->data;
1276         uint32_t devid = ctx->devid;
1277
1278         struct {
1279                 uint32_t opcode;
1280                 int i830_only;
1281                 unsigned int min_len;
1282                 unsigned int max_len;
1283                 const char *name;
1284         } opcodes_3d_1d[] = {
1285                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1286                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1287                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1288                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1289                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1290                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1291                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1292                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1293                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1294                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1295                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1296                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1297                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1298                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1299                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1300                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1301         }, *opcode_3d_1d;
1302
1303         opcode = (data[0] & 0x00ff0000) >> 16;
1304
1305         switch (opcode) {
1306         case 0x07:
1307                 /* This instruction is unusual.  A 0 length means just
1308                  * 1 DWORD instead of 2.  The 0 length is specified in
1309                  * one place to be unsupported, but stated to be
1310                  * required in another, and 0 length LOAD_INDIRECTs
1311                  * appear to cause no harm at least.
1312                  */
1313                 instr_out(ctx, 0, "3DSTATE_LOAD_INDIRECT\n");
1314                 len = (data[0] & 0x000000ff) + 1;
1315                 i = 1;
1316                 if (data[0] & (0x01 << 8)) {
1317                         instr_out(ctx, i++, "SIS.0\n");
1318                         instr_out(ctx, i++, "SIS.1\n");
1319                 }
1320                 if (data[0] & (0x02 << 8)) {
1321                         instr_out(ctx, i++, "DIS.0\n");
1322                 }
1323                 if (data[0] & (0x04 << 8)) {
1324                         instr_out(ctx, i++, "SSB.0\n");
1325                         instr_out(ctx, i++, "SSB.1\n");
1326                 }
1327                 if (data[0] & (0x08 << 8)) {
1328                         instr_out(ctx, i++, "MSB.0\n");
1329                         instr_out(ctx, i++, "MSB.1\n");
1330                 }
1331                 if (data[0] & (0x10 << 8)) {
1332                         instr_out(ctx, i++, "PSP.0\n");
1333                         instr_out(ctx, i++, "PSP.1\n");
1334                 }
1335                 if (data[0] & (0x20 << 8)) {
1336                         instr_out(ctx, i++, "PSC.0\n");
1337                         instr_out(ctx, i++, "PSC.1\n");
1338                 }
1339                 if (len != i) {
1340                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1341                         return len;
1342                 }
1343                 return len;
1344         case 0x04:
1345                 instr_out(ctx, 0,
1346                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1347                 len = (data[0] & 0x0000000f) + 2;
1348                 i = 1;
1349                 for (word = 0; word <= 8; word++) {
1350                         if (data[0] & (1 << (4 + word))) {
1351                                 /* save vertex state for decode */
1352                                 if (!IS_GEN2(devid)) {
1353                                         int tex_num;
1354
1355                                         if (word == 2) {
1356                                                 saved_s2_set = 1;
1357                                                 saved_s2 = data[i];
1358                                         }
1359                                         if (word == 4) {
1360                                                 saved_s4_set = 1;
1361                                                 saved_s4 = data[i];
1362                                         }
1363
1364                                         switch (word) {
1365                                         case 0:
1366                                                 instr_out(ctx, i,
1367                                                           "S0: vbo offset: 0x%08x%s\n",
1368                                                           data[i] & (~1),
1369                                                           data[i] & 1 ?
1370                                                           ", auto cache invalidate disabled"
1371                                                           : "");
1372                                                 break;
1373                                         case 1:
1374                                                 instr_out(ctx, i,
1375                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1376                                                           (data[i] >> 24) &
1377                                                           0x3f,
1378                                                           (data[i] >> 16) &
1379                                                           0x3f);
1380                                                 break;
1381                                         case 2:
1382                                                 instr_out(ctx, i,
1383                                                           "S2: texcoord formats: ");
1384                                                 for (tex_num = 0;
1385                                                      tex_num < 8; tex_num++) {
1386                                                         switch ((data[i] >>
1387                                                                  tex_num *
1388                                                                  4) & 0xf) {
1389                                                         case 0:
1390                                                                 fprintf(out,
1391                                                                         "%i=2D ",
1392                                                                         tex_num);
1393                                                                 break;
1394                                                         case 1:
1395                                                                 fprintf(out,
1396                                                                         "%i=3D ",
1397                                                                         tex_num);
1398                                                                 break;
1399                                                         case 2:
1400                                                                 fprintf(out,
1401                                                                         "%i=4D ",
1402                                                                         tex_num);
1403                                                                 break;
1404                                                         case 3:
1405                                                                 fprintf(out,
1406                                                                         "%i=1D ",
1407                                                                         tex_num);
1408                                                                 break;
1409                                                         case 4:
1410                                                                 fprintf(out,
1411                                                                         "%i=2D_16 ",
1412                                                                         tex_num);
1413                                                                 break;
1414                                                         case 5:
1415                                                                 fprintf(out,
1416                                                                         "%i=4D_16 ",
1417                                                                         tex_num);
1418                                                                 break;
1419                                                         case 0xf:
1420                                                                 fprintf(out,
1421                                                                         "%i=NP ",
1422                                                                         tex_num);
1423                                                                 break;
1424                                                         }
1425                                                 }
1426                                                 fprintf(out, "\n");
1427
1428                                                 break;
1429                                         case 3:
1430                                                 instr_out(ctx, i,
1431                                                           "S3: not documented\n");
1432                                                 break;
1433                                         case 4:
1434                                                 {
1435                                                         const char *cullmode = "";
1436                                                         const char *vfmt_xyzw = "";
1437                                                         switch ((data[i] >> 13)
1438                                                                 & 0x3) {
1439                                                         case 0:
1440                                                                 cullmode =
1441                                                                     "both";
1442                                                                 break;
1443                                                         case 1:
1444                                                                 cullmode =
1445                                                                     "none";
1446                                                                 break;
1447                                                         case 2:
1448                                                                 cullmode = "cw";
1449                                                                 break;
1450                                                         case 3:
1451                                                                 cullmode =
1452                                                                     "ccw";
1453                                                                 break;
1454                                                         }
1455                                                         switch (data[i] &
1456                                                                 (7 << 6 | 1 <<
1457                                                                  2)) {
1458                                                         case 1 << 6:
1459                                                                 vfmt_xyzw =
1460                                                                     "XYZ,";
1461                                                                 break;
1462                                                         case 2 << 6:
1463                                                                 vfmt_xyzw =
1464                                                                     "XYZW,";
1465                                                                 break;
1466                                                         case 3 << 6:
1467                                                                 vfmt_xyzw =
1468                                                                     "XY,";
1469                                                                 break;
1470                                                         case 4 << 6:
1471                                                                 vfmt_xyzw =
1472                                                                     "XYW,";
1473                                                                 break;
1474                                                         case 1 << 6 | 1 << 2:
1475                                                                 vfmt_xyzw =
1476                                                                     "XYZF,";
1477                                                                 break;
1478                                                         case 2 << 6 | 1 << 2:
1479                                                                 vfmt_xyzw =
1480                                                                     "XYZWF,";
1481                                                                 break;
1482                                                         case 3 << 6 | 1 << 2:
1483                                                                 vfmt_xyzw =
1484                                                                     "XYF,";
1485                                                                 break;
1486                                                         case 4 << 6 | 1 << 2:
1487                                                                 vfmt_xyzw =
1488                                                                     "XYWF,";
1489                                                                 break;
1490                                                         }
1491                                                         instr_out(ctx, i,
1492                                                                   "S4: point_width=%i, line_width=%.1f,"
1493                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1494                                                                   "%s%s%s%s%s\n",
1495                                                                   (data[i] >>
1496                                                                    23) & 0x1ff,
1497                                                                   ((data[i] >>
1498                                                                     19) & 0xf) /
1499                                                                   2.0,
1500                                                                   data[i] & (0xf
1501                                                                              <<
1502                                                                              15)
1503                                                                   ?
1504                                                                   " flatshade="
1505                                                                   : "",
1506                                                                   data[i] & (1
1507                                                                              <<
1508                                                                              18)
1509                                                                   ? "Alpha," :
1510                                                                   "",
1511                                                                   data[i] & (1
1512                                                                              <<
1513                                                                              17)
1514                                                                   ? "Fog," : "",
1515                                                                   data[i] & (1
1516                                                                              <<
1517                                                                              16)
1518                                                                   ? "Specular,"
1519                                                                   : "",
1520                                                                   data[i] & (1
1521                                                                              <<
1522                                                                              15)
1523                                                                   ? "Color," :
1524                                                                   "", cullmode,
1525                                                                   data[i] & (1
1526                                                                              <<
1527                                                                              12)
1528                                                                   ?
1529                                                                   "PointWidth,"
1530                                                                   : "",
1531                                                                   data[i] & (1
1532                                                                              <<
1533                                                                              11)
1534                                                                   ? "SpecFog," :
1535                                                                   "",
1536                                                                   data[i] & (1
1537                                                                              <<
1538                                                                              10)
1539                                                                   ? "Color," :
1540                                                                   "",
1541                                                                   data[i] & (1
1542                                                                              <<
1543                                                                              9)
1544                                                                   ? "DepthOfs,"
1545                                                                   : "",
1546                                                                   vfmt_xyzw,
1547                                                                   data[i] & (1
1548                                                                              <<
1549                                                                              9)
1550                                                                   ? "FogParam,"
1551                                                                   : "",
1552                                                                   data[i] & (1
1553                                                                              <<
1554                                                                              5)
1555                                                                   ?
1556                                                                   "force default diffuse, "
1557                                                                   : "",
1558                                                                   data[i] & (1
1559                                                                              <<
1560                                                                              4)
1561                                                                   ?
1562                                                                   "force default specular, "
1563                                                                   : "",
1564                                                                   data[i] & (1
1565                                                                              <<
1566                                                                              3)
1567                                                                   ?
1568                                                                   "local depth ofs enable, "
1569                                                                   : "",
1570                                                                   data[i] & (1
1571                                                                              <<
1572                                                                              1)
1573                                                                   ?
1574                                                                   "point sprite enable, "
1575                                                                   : "",
1576                                                                   data[i] & (1
1577                                                                              <<
1578                                                                              0)
1579                                                                   ?
1580                                                                   "line AA enable, "
1581                                                                   : "");
1582                                                         break;
1583                                                 }
1584                                         case 5:
1585                                                 {
1586                                                         instr_out(ctx, i,
1587                                                                   "S5:%s%s%s%s%s"
1588                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1589                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1590                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1591                                                                   data[i] & (0xf
1592                                                                              <<
1593                                                                              28)
1594                                                                   ?
1595                                                                   " write_disable="
1596                                                                   : "",
1597                                                                   data[i] & (1
1598                                                                              <<
1599                                                                              31)
1600                                                                   ? "Alpha," :
1601                                                                   "",
1602                                                                   data[i] & (1
1603                                                                              <<
1604                                                                              30)
1605                                                                   ? "Red," : "",
1606                                                                   data[i] & (1
1607                                                                              <<
1608                                                                              29)
1609                                                                   ? "Green," :
1610                                                                   "",
1611                                                                   data[i] & (1
1612                                                                              <<
1613                                                                              28)
1614                                                                   ? "Blue," :
1615                                                                   "",
1616                                                                   data[i] & (1
1617                                                                              <<
1618                                                                              27)
1619                                                                   ?
1620                                                                   " force default point size,"
1621                                                                   : "",
1622                                                                   data[i] & (1
1623                                                                              <<
1624                                                                              26)
1625                                                                   ?
1626                                                                   " last pixel enable,"
1627                                                                   : "",
1628                                                                   data[i] & (1
1629                                                                              <<
1630                                                                              25)
1631                                                                   ?
1632                                                                   " global depth ofs enable,"
1633                                                                   : "",
1634                                                                   data[i] & (1
1635                                                                              <<
1636                                                                              24)
1637                                                                   ?
1638                                                                   " fog enable,"
1639                                                                   : "",
1640                                                                   (data[i] >>
1641                                                                    16) & 0xff,
1642                                                                   decode_compare_func
1643                                                                   (data[i] >>
1644                                                                    13),
1645                                                                   decode_stencil_op
1646                                                                   (data[i] >>
1647                                                                    10),
1648                                                                   decode_stencil_op
1649                                                                   (data[i] >>
1650                                                                    7),
1651                                                                   decode_stencil_op
1652                                                                   (data[i] >>
1653                                                                    4),
1654                                                                   data[i] & (1
1655                                                                              <<
1656                                                                              3)
1657                                                                   ?
1658                                                                   "stencil write enable, "
1659                                                                   : "",
1660                                                                   data[i] & (1
1661                                                                              <<
1662                                                                              2)
1663                                                                   ?
1664                                                                   "stencil test enable, "
1665                                                                   : "",
1666                                                                   data[i] & (1
1667                                                                              <<
1668                                                                              1)
1669                                                                   ?
1670                                                                   "color dither enable, "
1671                                                                   : "",
1672                                                                   data[i] & (1
1673                                                                              <<
1674                                                                              0)
1675                                                                   ?
1676                                                                   "logicop enable, "
1677                                                                   : "");
1678                                                 }
1679                                                 break;
1680                                         case 6:
1681                                                 instr_out(ctx, i,
1682                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1683                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1684                                                           "%s%stristrip_provoking_vertex=%i\n",
1685                                                           data[i] & (1 << 31) ?
1686                                                           "alpha test enable, "
1687                                                           : "",
1688                                                           decode_compare_func
1689                                                           (data[i] >> 28),
1690                                                           data[i] & (0xff <<
1691                                                                      20),
1692                                                           decode_compare_func
1693                                                           (data[i] >> 16),
1694                                                           data[i] & (1 << 15) ?
1695                                                           "cbuf blend enable, "
1696                                                           : "",
1697                                                           decode_blend_fact(data
1698                                                                             [i]
1699                                                                             >>
1700                                                                             8),
1701                                                           decode_blend_fact(data
1702                                                                             [i]
1703                                                                             >>
1704                                                                             4),
1705                                                           data[i] & (1 << 3) ?
1706                                                           "depth write enable, "
1707                                                           : "",
1708                                                           data[i] & (1 << 2) ?
1709                                                           "cbuf write enable, "
1710                                                           : "",
1711                                                           data[i] & (0x3));
1712                                                 break;
1713                                         case 7:
1714                                                 instr_out(ctx, i,
1715                                                           "S7: depth offset constant: 0x%08x\n",
1716                                                           data[i]);
1717                                                 break;
1718                                         }
1719                                 } else {
1720                                         instr_out(ctx, i,
1721                                                   "S%d: 0x%08x\n", word, data[i]);
1722                                 }
1723                                 i++;
1724                         }
1725                 }
1726                 if (len != i) {
1727                         fprintf(out,
1728                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1729                 }
1730                 return len;
1731         case 0x03:
1732                 instr_out(ctx, 0,
1733                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1734                 len = (data[0] & 0x0000000f) + 2;
1735                 i = 1;
1736                 for (word = 6; word <= 14; word++) {
1737                         if (data[0] & (1 << word)) {
1738                                 if (word == 6)
1739                                         instr_out(ctx, i++,
1740                                                   "TBCF\n");
1741                                 else if (word >= 7 && word <= 10) {
1742                                         instr_out(ctx, i++,
1743                                                   "TB%dC\n", word - 7);
1744                                         instr_out(ctx, i++,
1745                                                   "TB%dA\n", word - 7);
1746                                 } else if (word >= 11 && word <= 14) {
1747                                         instr_out(ctx, i,
1748                                                   "TM%dS0: offset=0x%08x, %s\n",
1749                                                   word - 11,
1750                                                   data[i] & 0xfffffffe,
1751                                                   data[i] & 1 ? "use fence" :
1752                                                   "");
1753                                         i++;
1754                                         instr_out(ctx, i,
1755                                                   "TM%dS1: height=%i, width=%i, %s\n",
1756                                                   word - 11, data[i] >> 21,
1757                                                   (data[i] >> 10) & 0x3ff,
1758                                                   data[i] & 2 ? (data[i] & 1 ?
1759                                                                  "y-tiled" :
1760                                                                  "x-tiled") :
1761                                                   "");
1762                                         i++;
1763                                         instr_out(ctx, i,
1764                                                   "TM%dS2: pitch=%i, \n",
1765                                                   word - 11,
1766                                                   ((data[i] >> 21) + 1) * 4);
1767                                         i++;
1768                                         instr_out(ctx, i++,
1769                                                   "TM%dS3\n", word - 11);
1770                                         instr_out(ctx, i++,
1771                                                   "TM%dS4: dflt color\n",
1772                                                   word - 11);
1773                                 }
1774                         }
1775                 }
1776                 if (len != i) {
1777                         fprintf(out,
1778                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1779                 }
1780                 return len;
1781         case 0x00:
1782                 instr_out(ctx, 0, "3DSTATE_MAP_STATE\n");
1783                 len = (data[0] & 0x0000003f) + 2;
1784                 instr_out(ctx, 1, "mask\n");
1785
1786                 i = 2;
1787                 for (map = 0; map <= 15; map++) {
1788                         if (data[1] & (1 << map)) {
1789                                 int width, height, pitch, dword;
1790                                 const char *tiling;
1791
1792                                 dword = data[i];
1793                                 instr_out(ctx, i++,
1794                                           "map %d MS2 %s%s%s\n", map,
1795                                           dword & (1 << 31) ?
1796                                           "untrusted surface, " : "",
1797                                           dword & (1 << 1) ?
1798                                           "vertical line stride enable, " : "",
1799                                           dword & (1 << 0) ?
1800                                           "vertical ofs enable, " : "");
1801
1802                                 dword = data[i];
1803                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1804                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1805
1806                                 tiling = "none";
1807                                 if (dword & (1 << 2))
1808                                         tiling = "fenced";
1809                                 else if (dword & (1 << 1))
1810                                         tiling = dword & (1 << 0) ? "Y" : "X";
1811                                 type = " BAD";
1812                                 format = "BAD";
1813                                 switch ((dword >> 7) & 0x7) {
1814                                 case 1:
1815                                         type = "8b";
1816                                         switch ((dword >> 3) & 0xf) {
1817                                         case 0:
1818                                                 format = "I";
1819                                                 break;
1820                                         case 1:
1821                                                 format = "L";
1822                                                 break;
1823                                         case 4:
1824                                                 format = "A";
1825                                                 break;
1826                                         case 5:
1827                                                 format = " mono";
1828                                                 break;
1829                                         }
1830                                         break;
1831                                 case 2:
1832                                         type = "16b";
1833                                         switch ((dword >> 3) & 0xf) {
1834                                         case 0:
1835                                                 format = " rgb565";
1836                                                 break;
1837                                         case 1:
1838                                                 format = " argb1555";
1839                                                 break;
1840                                         case 2:
1841                                                 format = " argb4444";
1842                                                 break;
1843                                         case 5:
1844                                                 format = " ay88";
1845                                                 break;
1846                                         case 6:
1847                                                 format = " bump655";
1848                                                 break;
1849                                         case 7:
1850                                                 format = "I";
1851                                                 break;
1852                                         case 8:
1853                                                 format = "L";
1854                                                 break;
1855                                         case 9:
1856                                                 format = "A";
1857                                                 break;
1858                                         }
1859                                         break;
1860                                 case 3:
1861                                         type = "32b";
1862                                         switch ((dword >> 3) & 0xf) {
1863                                         case 0:
1864                                                 format = " argb8888";
1865                                                 break;
1866                                         case 1:
1867                                                 format = " abgr8888";
1868                                                 break;
1869                                         case 2:
1870                                                 format = " xrgb8888";
1871                                                 break;
1872                                         case 3:
1873                                                 format = " xbgr8888";
1874                                                 break;
1875                                         case 4:
1876                                                 format = " qwvu8888";
1877                                                 break;
1878                                         case 5:
1879                                                 format = " axvu8888";
1880                                                 break;
1881                                         case 6:
1882                                                 format = " lxvu8888";
1883                                                 break;
1884                                         case 7:
1885                                                 format = " xlvu8888";
1886                                                 break;
1887                                         case 8:
1888                                                 format = " argb2101010";
1889                                                 break;
1890                                         case 9:
1891                                                 format = " abgr2101010";
1892                                                 break;
1893                                         case 10:
1894                                                 format = " awvu2101010";
1895                                                 break;
1896                                         case 11:
1897                                                 format = " gr1616";
1898                                                 break;
1899                                         case 12:
1900                                                 format = " vu1616";
1901                                                 break;
1902                                         case 13:
1903                                                 format = " xI824";
1904                                                 break;
1905                                         case 14:
1906                                                 format = " xA824";
1907                                                 break;
1908                                         case 15:
1909                                                 format = " xL824";
1910                                                 break;
1911                                         }
1912                                         break;
1913                                 case 5:
1914                                         type = "422";
1915                                         switch ((dword >> 3) & 0xf) {
1916                                         case 0:
1917                                                 format = " yuv_swapy";
1918                                                 break;
1919                                         case 1:
1920                                                 format = " yuv";
1921                                                 break;
1922                                         case 2:
1923                                                 format = " yuv_swapuv";
1924                                                 break;
1925                                         case 3:
1926                                                 format = " yuv_swapuvy";
1927                                                 break;
1928                                         }
1929                                         break;
1930                                 case 6:
1931                                         type = "compressed";
1932                                         switch ((dword >> 3) & 0x7) {
1933                                         case 0:
1934                                                 format = " dxt1";
1935                                                 break;
1936                                         case 1:
1937                                                 format = " dxt2_3";
1938                                                 break;
1939                                         case 2:
1940                                                 format = " dxt4_5";
1941                                                 break;
1942                                         case 3:
1943                                                 format = " fxt1";
1944                                                 break;
1945                                         case 4:
1946                                                 format = " dxt1_rb";
1947                                                 break;
1948                                         }
1949                                         break;
1950                                 case 7:
1951                                         type = "4b indexed";
1952                                         switch ((dword >> 3) & 0xf) {
1953                                         case 7:
1954                                                 format = " argb8888";
1955                                                 break;
1956                                         }
1957                                         break;
1958                                 }
1959                                 dword = data[i];
1960                                 instr_out(ctx, i++,
1961                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1962                                           map, width, height, type, format,
1963                                           tiling,
1964                                           dword & (1 << 9) ? " palette select" :
1965                                           "");
1966
1967                                 dword = data[i];
1968                                 pitch =
1969                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1970                                 instr_out(ctx, i++,
1971                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1972                                           map, pitch, (dword >> 9) & 0x3f,
1973                                           dword & 0xff, (dword >> 15) & 0x3f,
1974                                           dword & (1 << 8) ? "miplayout legacy"
1975                                           : "miplayout right");
1976                         }
1977                 }
1978                 if (len != i) {
1979                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1980                         return len;
1981                 }
1982                 return len;
1983         case 0x06:
1984                 instr_out(ctx, 0,
1985                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1986                 len = (data[0] & 0x000000ff) + 2;
1987
1988                 i = 2;
1989                 for (c = 0; c <= 31; c++) {
1990                         if (data[1] & (1 << c)) {
1991                                 instr_out(ctx, i, "C%d.X = %f\n", c,
1992                                           int_as_float(data[i]));
1993                                 i++;
1994                                 instr_out(ctx, i, "C%d.Y = %f\n",
1995                                           c, int_as_float(data[i]));
1996                                 i++;
1997                                 instr_out(ctx, i, "C%d.Z = %f\n",
1998                                           c, int_as_float(data[i]));
1999                                 i++;
2000                                 instr_out(ctx, i, "C%d.W = %f\n",
2001                                           c, int_as_float(data[i]));
2002                                 i++;
2003                         }
2004                 }
2005                 if (len != i) {
2006                         fprintf(out,
2007                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
2008                 }
2009                 return len;
2010         case 0x05:
2011                 instr_out(ctx, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
2012                 len = (data[0] & 0x000000ff) + 2;
2013                 if ((len - 1) % 3 != 0 || len > 370) {
2014                         fprintf(out,
2015                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
2016                 }
2017                 i = 1;
2018                 for (instr = 0; instr < (len - 1) / 3; instr++) {
2019                         char instr_prefix[10];
2020
2021                         sprintf(instr_prefix, "PS%03d", instr);
2022                         i915_decode_instruction(ctx, i,
2023                                                 instr_prefix);
2024                         i += 3;
2025                 }
2026                 return len;
2027         case 0x01:
2028                 if (IS_GEN2(devid))
2029                         break;
2030                 instr_out(ctx, 0, "3DSTATE_SAMPLER_STATE\n");
2031                 instr_out(ctx, 1, "mask\n");
2032                 len = (data[0] & 0x0000003f) + 2;
2033                 i = 2;
2034                 for (sampler = 0; sampler <= 15; sampler++) {
2035                         if (data[1] & (1 << sampler)) {
2036                                 uint32_t dword;
2037                                 const char *mip_filter = "";
2038
2039                                 dword = data[i];
2040                                 switch ((dword >> 20) & 0x3) {
2041                                 case 0:
2042                                         mip_filter = "none";
2043                                         break;
2044                                 case 1:
2045                                         mip_filter = "nearest";
2046                                         break;
2047                                 case 3:
2048                                         mip_filter = "linear";
2049                                         break;
2050                                 }
2051                                 instr_out(ctx, i++,
2052                                           "sampler %d SS2:%s%s%s "
2053                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
2054                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
2055                                           sampler,
2056                                           dword & (1 << 31) ? " reverse gamma,"
2057                                           : "",
2058                                           dword & (1 << 30) ? " packed2planar,"
2059                                           : "",
2060                                           dword & (1 << 29) ?
2061                                           " colorspace conversion," : "",
2062                                           (dword >> 22) & 0x1f, mip_filter,
2063                                           decode_sample_filter(dword >> 17),
2064                                           decode_sample_filter(dword >> 14),
2065                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2066                                           dword & (1 << 4) ? " shadow," : "",
2067                                           dword & (1 << 3) ? 4 : 2,
2068                                           decode_compare_func(dword));
2069                                 dword = data[i];
2070                                 instr_out(ctx, i++,
2071                                           "sampler %d SS3: min_lod=%.2f,%s "
2072                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2073                                           sampler,
2074                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2075                                           dword & (1 << 17) ?
2076                                           " kill pixel enable," : "",
2077                                           decode_tex_coord_mode(dword >> 12),
2078                                           decode_tex_coord_mode(dword >> 9),
2079                                           decode_tex_coord_mode(dword >> 6),
2080                                           dword & (1 << 5) ?
2081                                           " normalized coords," : "",
2082                                           (dword >> 1) & 0xf,
2083                                           dword & (1 << 0) ? " deinterlacer," :
2084                                           "");
2085                                 dword = data[i];
2086                                 instr_out(ctx, i++,
2087                                           "sampler %d SS4: border color\n",
2088                                           sampler);
2089                         }
2090                 }
2091                 if (len != i) {
2092                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2093                 }
2094                 return len;
2095         case 0x85:
2096                 len = (data[0] & 0x0000000f) + 2;
2097
2098                 if (len != 2)
2099                         fprintf(out,
2100                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2101
2102                 instr_out(ctx, 0,
2103                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2104
2105                 switch ((data[1] >> 8) & 0xf) {
2106                 case 0x0:
2107                         format = "g8";
2108                         break;
2109                 case 0x1:
2110                         format = "x1r5g5b5";
2111                         break;
2112                 case 0x2:
2113                         format = "r5g6b5";
2114                         break;
2115                 case 0x3:
2116                         format = "a8r8g8b8";
2117                         break;
2118                 case 0x4:
2119                         format = "ycrcb_swapy";
2120                         break;
2121                 case 0x5:
2122                         format = "ycrcb_normal";
2123                         break;
2124                 case 0x6:
2125                         format = "ycrcb_swapuv";
2126                         break;
2127                 case 0x7:
2128                         format = "ycrcb_swapuvy";
2129                         break;
2130                 case 0x8:
2131                         format = "a4r4g4b4";
2132                         break;
2133                 case 0x9:
2134                         format = "a1r5g5b5";
2135                         break;
2136                 case 0xa:
2137                         format = "a2r10g10b10";
2138                         break;
2139                 default:
2140                         format = "BAD";
2141                         break;
2142                 }
2143                 switch ((data[1] >> 2) & 0x3) {
2144                 case 0x0:
2145                         zformat = "u16";
2146                         break;
2147                 case 0x1:
2148                         zformat = "f16";
2149                         break;
2150                 case 0x2:
2151                         zformat = "u24x8";
2152                         break;
2153                 default:
2154                         zformat = "BAD";
2155                         break;
2156                 }
2157                 instr_out(ctx, 1,
2158                           "%s format, %s depth format, early Z %sabled\n",
2159                           format, zformat,
2160                           (data[1] & (1 << 31)) ? "en" : "dis");
2161                 return len;
2162
2163         case 0x8e:
2164                 {
2165                         const char *name, *tiling;
2166
2167                         len = (data[0] & 0x0000000f) + 2;
2168                         if (len != 3)
2169                                 fprintf(out,
2170                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2171
2172                         switch ((data[1] >> 24) & 0x7) {
2173                         case 0x3:
2174                                 name = "color";
2175                                 break;
2176                         case 0x7:
2177                                 name = "depth";
2178                                 break;
2179                         default:
2180                                 name = "unknown";
2181                                 break;
2182                         }
2183
2184                         tiling = "none";
2185                         if (data[1] & (1 << 23))
2186                                 tiling = "fenced";
2187                         else if (data[1] & (1 << 22))
2188                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2189
2190                         instr_out(ctx, 0, "3DSTATE_BUFFER_INFO\n");
2191                         instr_out(ctx, 1,
2192                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2193                                   data[1] & 0xffff);
2194
2195                         instr_out(ctx, 2, "address\n");
2196                         return len;
2197                 }
2198         case 0x81:
2199                 len = (data[0] & 0x0000000f) + 2;
2200
2201                 if (len != 3)
2202                         fprintf(out,
2203                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2204
2205                 instr_out(ctx, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2206                 instr_out(ctx, 1, "(%d,%d)\n",
2207                           data[1] & 0xffff, data[1] >> 16);
2208                 instr_out(ctx, 2, "(%d,%d)\n",
2209                           data[2] & 0xffff, data[2] >> 16);
2210
2211                 return len;
2212         case 0x80:
2213                 len = (data[0] & 0x0000000f) + 2;
2214
2215                 if (len != 5)
2216                         fprintf(out,
2217                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2218
2219                 instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2220                 instr_out(ctx, 1, "%s\n",
2221                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2222                 instr_out(ctx, 2, "(%d,%d)\n",
2223                           data[2] & 0xffff, data[2] >> 16);
2224                 instr_out(ctx, 3, "(%d,%d)\n",
2225                           data[3] & 0xffff, data[3] >> 16);
2226                 instr_out(ctx, 4, "(%d,%d)\n",
2227                           data[4] & 0xffff, data[4] >> 16);
2228
2229                 return len;
2230         case 0x9c:
2231                 len = (data[0] & 0x0000000f) + 2;
2232
2233                 if (len != 7)
2234                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2235
2236                 instr_out(ctx, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2237                 instr_out(ctx, 1, "prim_type=%s, clear=%s%s%s\n",
2238                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2239                           data[1] & (1 << 2) ? "color," : "",
2240                           data[1] & (1 << 1) ? "depth," : "",
2241                           data[1] & (1 << 0) ? "stencil," : "");
2242                 instr_out(ctx, 2, "clear color\n");
2243                 instr_out(ctx, 3, "clear depth/stencil\n");
2244                 instr_out(ctx, 4, "color value (rgba8888)\n");
2245                 instr_out(ctx, 5, "depth value %f\n",
2246                           int_as_float(data[5]));
2247                 instr_out(ctx, 6, "clear stencil\n");
2248                 return len;
2249         }
2250
2251         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2252                 opcode_3d_1d = &opcodes_3d_1d[idx];
2253                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2254                         continue;
2255
2256                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2257                         len = 1;
2258
2259                         instr_out(ctx, 0, "%s\n",
2260                                   opcode_3d_1d->name);
2261                         if (opcode_3d_1d->max_len > 1) {
2262                                 len = (data[0] & 0x0000ffff) + 2;
2263                                 if (len < opcode_3d_1d->min_len ||
2264                                     len > opcode_3d_1d->max_len) {
2265                                         fprintf(out, "Bad count in %s\n",
2266                                                 opcode_3d_1d->name);
2267                                 }
2268                         }
2269
2270                         for (i = 1; i < len; i++) {
2271                                 instr_out(ctx, i, "dword %d\n", i);
2272                         }
2273
2274                         return len;
2275                 }
2276         }
2277
2278         instr_out(ctx, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2279                   opcode);
2280         return 1;
2281 }
2282
2283 static int
2284 decode_3d_primitive(struct drm_intel_decode *ctx)
2285 {
2286         uint32_t *data = ctx->data;
2287         uint32_t count = ctx->count;
2288         char immediate = (data[0] & (1 << 23)) == 0;
2289         unsigned int len, i, j, ret;
2290         const char *primtype;
2291         int original_s2 = saved_s2;
2292         int original_s4 = saved_s4;
2293
2294         switch ((data[0] >> 18) & 0xf) {
2295         case 0x0:
2296                 primtype = "TRILIST";
2297                 break;
2298         case 0x1:
2299                 primtype = "TRISTRIP";
2300                 break;
2301         case 0x2:
2302                 primtype = "TRISTRIP_REVERSE";
2303                 break;
2304         case 0x3:
2305                 primtype = "TRIFAN";
2306                 break;
2307         case 0x4:
2308                 primtype = "POLYGON";
2309                 break;
2310         case 0x5:
2311                 primtype = "LINELIST";
2312                 break;
2313         case 0x6:
2314                 primtype = "LINESTRIP";
2315                 break;
2316         case 0x7:
2317                 primtype = "RECTLIST";
2318                 break;
2319         case 0x8:
2320                 primtype = "POINTLIST";
2321                 break;
2322         case 0x9:
2323                 primtype = "DIB";
2324                 break;
2325         case 0xa:
2326                 primtype = "CLEAR_RECT";
2327                 saved_s4 = 3 << 6;
2328                 saved_s2 = ~0;
2329                 break;
2330         default:
2331                 primtype = "unknown";
2332                 break;
2333         }
2334
2335         /* XXX: 3DPRIM_DIB not supported */
2336         if (immediate) {
2337                 len = (data[0] & 0x0003ffff) + 2;
2338                 instr_out(ctx, 0, "3DPRIMITIVE inline %s\n",
2339                           primtype);
2340                 if (count < len)
2341                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2342                 if (!saved_s2_set || !saved_s4_set) {
2343                         fprintf(out, "unknown vertex format\n");
2344                         for (i = 1; i < len; i++) {
2345                                 instr_out(ctx, i,
2346                                           "           vertex data (%f float)\n",
2347                                           int_as_float(data[i]));
2348                         }
2349                 } else {
2350                         unsigned int vertex = 0;
2351                         for (i = 1; i < len;) {
2352                                 unsigned int tc;
2353
2354 #define VERTEX_OUT(fmt, ...) do {                                       \
2355     if (i < len)                                                        \
2356         instr_out(ctx, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2357     else                                                                \
2358         fprintf(out, " missing data in V%d\n", vertex);                 \
2359     i++;                                                                \
2360 } while (0)
2361
2362                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2363                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2364                                 switch (saved_s4 >> 6 & 0x7) {
2365                                 case 0x1:
2366                                         VERTEX_OUT("Z = %f",
2367                                                    int_as_float(data[i]));
2368                                         break;
2369                                 case 0x2:
2370                                         VERTEX_OUT("Z = %f",
2371                                                    int_as_float(data[i]));
2372                                         VERTEX_OUT("W = %f",
2373                                                    int_as_float(data[i]));
2374                                         break;
2375                                 case 0x3:
2376                                         break;
2377                                 case 0x4:
2378                                         VERTEX_OUT("W = %f",
2379                                                    int_as_float(data[i]));
2380                                         break;
2381                                 default:
2382                                         fprintf(out, "bad S4 position mask\n");
2383                                 }
2384
2385                                 if (saved_s4 & (1 << 10)) {
2386                                         VERTEX_OUT
2387                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2388                                              "B=0x%02x)", data[i] >> 24,
2389                                              (data[i] >> 16) & 0xff,
2390                                              (data[i] >> 8) & 0xff,
2391                                              data[i] & 0xff);
2392                                 }
2393                                 if (saved_s4 & (1 << 11)) {
2394                                         VERTEX_OUT
2395                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2396                                              "B=0x%02x)", data[i] >> 24,
2397                                              (data[i] >> 16) & 0xff,
2398                                              (data[i] >> 8) & 0xff,
2399                                              data[i] & 0xff);
2400                                 }
2401                                 if (saved_s4 & (1 << 12))
2402                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2403
2404                                 for (tc = 0; tc <= 7; tc++) {
2405                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2406                                         case 0x0:
2407                                                 VERTEX_OUT("T%d.X = %f", tc,
2408                                                            int_as_float(data
2409                                                                         [i]));
2410                                                 VERTEX_OUT("T%d.Y = %f", tc,
2411                                                            int_as_float(data
2412                                                                         [i]));
2413                                                 break;
2414                                         case 0x1:
2415                                                 VERTEX_OUT("T%d.X = %f", tc,
2416                                                            int_as_float(data
2417                                                                         [i]));
2418                                                 VERTEX_OUT("T%d.Y = %f", tc,
2419                                                            int_as_float(data
2420                                                                         [i]));
2421                                                 VERTEX_OUT("T%d.Z = %f", tc,
2422                                                            int_as_float(data
2423                                                                         [i]));
2424                                                 break;
2425                                         case 0x2:
2426                                                 VERTEX_OUT("T%d.X = %f", tc,
2427                                                            int_as_float(data
2428                                                                         [i]));
2429                                                 VERTEX_OUT("T%d.Y = %f", tc,
2430                                                            int_as_float(data
2431                                                                         [i]));
2432                                                 VERTEX_OUT("T%d.Z = %f", tc,
2433                                                            int_as_float(data
2434                                                                         [i]));
2435                                                 VERTEX_OUT("T%d.W = %f", tc,
2436                                                            int_as_float(data
2437                                                                         [i]));
2438                                                 break;
2439                                         case 0x3:
2440                                                 VERTEX_OUT("T%d.X = %f", tc,
2441                                                            int_as_float(data
2442                                                                         [i]));
2443                                                 break;
2444                                         case 0x4:
2445                                                 VERTEX_OUT
2446                                                     ("T%d.XY = 0x%08x half-float",
2447                                                      tc, data[i]);
2448                                                 break;
2449                                         case 0x5:
2450                                                 VERTEX_OUT
2451                                                     ("T%d.XY = 0x%08x half-float",
2452                                                      tc, data[i]);
2453                                                 VERTEX_OUT
2454                                                     ("T%d.ZW = 0x%08x half-float",
2455                                                      tc, data[i]);
2456                                                 break;
2457                                         case 0xf:
2458                                                 break;
2459                                         default:
2460                                                 fprintf(out,
2461                                                         "bad S2.T%d format\n",
2462                                                         tc);
2463                                         }
2464                                 }
2465                                 vertex++;
2466                         }
2467                 }
2468
2469                 ret = len;
2470         } else {
2471                 /* indirect vertices */
2472                 len = data[0] & 0x0000ffff;     /* index count */
2473                 if (data[0] & (1 << 17)) {
2474                         /* random vertex access */
2475                         if (count < (len + 1) / 2 + 1) {
2476                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2477                                             "3DPRIMITIVE random indirect");
2478                         }
2479                         instr_out(ctx, 0,
2480                                   "3DPRIMITIVE random indirect %s (%d)\n",
2481                                   primtype, len);
2482                         if (len == 0) {
2483                                 /* vertex indices continue until 0xffff is
2484                                  * found
2485                                  */
2486                                 for (i = 1; i < count; i++) {
2487                                         if ((data[i] & 0xffff) == 0xffff) {
2488                                                 instr_out(ctx, i,
2489                                                           "    indices: (terminator)\n");
2490                                                 ret = i;
2491                                                 goto out;
2492                                         } else if ((data[i] >> 16) == 0xffff) {
2493                                                 instr_out(ctx, i,
2494                                                           "    indices: 0x%04x, (terminator)\n",
2495                                                           data[i] & 0xffff);
2496                                                 ret = i;
2497                                                 goto out;
2498                                         } else {
2499                                                 instr_out(ctx, i,
2500                                                           "    indices: 0x%04x, 0x%04x\n",
2501                                                           data[i] & 0xffff,
2502                                                           data[i] >> 16);
2503                                         }
2504                                 }
2505                                 fprintf(out,
2506                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2507                                 ret = count;
2508                                 goto out;
2509                         } else {
2510                                 /* fixed size vertex index buffer */
2511                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2512                                         if (i * 2 == len - 1) {
2513                                                 instr_out(ctx, j,
2514                                                           "    indices: 0x%04x\n",
2515                                                           data[j] & 0xffff);
2516                                         } else {
2517                                                 instr_out(ctx, j,
2518                                                           "    indices: 0x%04x, 0x%04x\n",
2519                                                           data[j] & 0xffff,
2520                                                           data[j] >> 16);
2521                                         }
2522                                 }
2523                         }
2524                         ret = (len + 1) / 2 + 1;
2525                         goto out;
2526                 } else {
2527                         /* sequential vertex access */
2528                         instr_out(ctx, 0,
2529                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2530                                   "%d\n", primtype, len, data[1] & 0xffff);
2531                         instr_out(ctx, 1, "           start\n");
2532                         ret = 2;
2533                         goto out;
2534                 }
2535         }
2536
2537 out:
2538         saved_s2 = original_s2;
2539         saved_s4 = original_s4;
2540         return ret;
2541 }
2542
2543 static int
2544 decode_3d(struct drm_intel_decode *ctx)
2545 {
2546         uint32_t opcode;
2547         unsigned int idx;
2548         uint32_t *data = ctx->data;
2549
2550         struct {
2551                 uint32_t opcode;
2552                 unsigned int min_len;
2553                 unsigned int max_len;
2554                 const char *name;
2555         } opcodes_3d[] = {
2556                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2557                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2558                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2559                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2560                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2561                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2562                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2563                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2564                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2565         }, *opcode_3d;
2566
2567         opcode = (data[0] & 0x1f000000) >> 24;
2568
2569         switch (opcode) {
2570         case 0x1f:
2571                 return decode_3d_primitive(ctx);
2572         case 0x1d:
2573                 return decode_3d_1d(ctx);
2574         case 0x1c:
2575                 return decode_3d_1c(ctx);
2576         }
2577
2578         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2579                 opcode_3d = &opcodes_3d[idx];
2580                 if (opcode == opcode_3d->opcode) {
2581                         unsigned int len = 1, i;
2582
2583                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
2584                         if (opcode_3d->max_len > 1) {
2585                                 len = (data[0] & 0xff) + 2;
2586                                 if (len < opcode_3d->min_len ||
2587                                     len > opcode_3d->max_len) {
2588                                         fprintf(out, "Bad count in %s\n",
2589                                                 opcode_3d->name);
2590                                 }
2591                         }
2592
2593                         for (i = 1; i < len; i++) {
2594                                 instr_out(ctx, i, "dword %d\n", i);
2595                         }
2596                         return len;
2597                 }
2598         }
2599
2600         instr_out(ctx, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2601         return 1;
2602 }
2603
2604 static const char *get_965_surfacetype(unsigned int surfacetype)
2605 {
2606         switch (surfacetype) {
2607         case 0:
2608                 return "1D";
2609         case 1:
2610                 return "2D";
2611         case 2:
2612                 return "3D";
2613         case 3:
2614                 return "CUBE";
2615         case 4:
2616                 return "BUFFER";
2617         case 7:
2618                 return "NULL";
2619         default:
2620                 return "unknown";
2621         }
2622 }
2623
2624 static const char *get_965_depthformat(unsigned int depthformat)
2625 {
2626         switch (depthformat) {
2627         case 0:
2628                 return "s8_z24float";
2629         case 1:
2630                 return "z32float";
2631         case 2:
2632                 return "z24s8";
2633         case 5:
2634                 return "z16";
2635         default:
2636                 return "unknown";
2637         }
2638 }
2639
2640 static const char *get_965_element_component(uint32_t data, int component)
2641 {
2642         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2643
2644         switch (component_control) {
2645         case 0:
2646                 return "nostore";
2647         case 1:
2648                 switch (component) {
2649                 case 0:
2650                         return "X";
2651                 case 1:
2652                         return "Y";
2653                 case 2:
2654                         return "Z";
2655                 case 3:
2656                         return "W";
2657                 default:
2658                         return "fail";
2659                 }
2660         case 2:
2661                 return "0.0";
2662         case 3:
2663                 return "1.0";
2664         case 4:
2665                 return "0x1";
2666         case 5:
2667                 return "VID";
2668         default:
2669                 return "fail";
2670         }
2671 }
2672
2673 static const char *get_965_prim_type(uint32_t primtype)
2674 {
2675         switch (primtype) {
2676         case 0x01:
2677                 return "point list";
2678         case 0x02:
2679                 return "line list";
2680         case 0x03:
2681                 return "line strip";
2682         case 0x04:
2683                 return "tri list";
2684         case 0x05:
2685                 return "tri strip";
2686         case 0x06:
2687                 return "tri fan";
2688         case 0x07:
2689                 return "quad list";
2690         case 0x08:
2691                 return "quad strip";
2692         case 0x09:
2693                 return "line list adj";
2694         case 0x0a:
2695                 return "line strip adj";
2696         case 0x0b:
2697                 return "tri list adj";
2698         case 0x0c:
2699                 return "tri strip adj";
2700         case 0x0d:
2701                 return "tri strip reverse";
2702         case 0x0e:
2703                 return "polygon";
2704         case 0x0f:
2705                 return "rect list";
2706         case 0x10:
2707                 return "line loop";
2708         case 0x11:
2709                 return "point list bf";
2710         case 0x12:
2711                 return "line strip cont";
2712         case 0x13:
2713                 return "line strip bf";
2714         case 0x14:
2715                 return "line strip cont bf";
2716         case 0x15:
2717                 return "tri fan no stipple";
2718         default:
2719                 return "fail";
2720         }
2721 }
2722
2723 static int
2724 i965_decode_urb_fence(struct drm_intel_decode *ctx, int len)
2725 {
2726         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2727         uint32_t *data = ctx->data;
2728
2729         if (len != 3)
2730                 fprintf(out, "Bad count in URB_FENCE\n");
2731
2732         vs_fence = data[1] & 0x3ff;
2733         gs_fence = (data[1] >> 10) & 0x3ff;
2734         clip_fence = (data[1] >> 20) & 0x3ff;
2735         sf_fence = data[2] & 0x3ff;
2736         vfe_fence = (data[2] >> 10) & 0x3ff;
2737         cs_fence = (data[2] >> 20) & 0x7ff;
2738
2739         instr_out(ctx, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2740                   (data[0] >> 13) & 1 ? "cs " : "",
2741                   (data[0] >> 12) & 1 ? "vfe " : "",
2742                   (data[0] >> 11) & 1 ? "sf " : "",
2743                   (data[0] >> 10) & 1 ? "clip " : "",
2744                   (data[0] >> 9) & 1 ? "gs " : "",
2745                   (data[0] >> 8) & 1 ? "vs " : "");
2746         instr_out(ctx, 1,
2747                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2748                   vs_fence, clip_fence, gs_fence);
2749         instr_out(ctx, 2,
2750                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2751                   sf_fence, vfe_fence, cs_fence);
2752         if (gs_fence < vs_fence)
2753                 fprintf(out, "gs fence < vs fence!\n");
2754         if (clip_fence < gs_fence)
2755                 fprintf(out, "clip fence < gs fence!\n");
2756         if (sf_fence < clip_fence)
2757                 fprintf(out, "sf fence < clip fence!\n");
2758         if (cs_fence < sf_fence)
2759                 fprintf(out, "cs fence < sf fence!\n");
2760
2761         return len;
2762 }
2763
2764 static void
2765 state_base_out(struct drm_intel_decode *ctx, unsigned int index,
2766                const char *name)
2767 {
2768         if (ctx->data[index] & 1) {
2769                 instr_out(ctx, index,
2770                           "%s state base address 0x%08x\n", name,
2771                           ctx->data[index] & ~1);
2772         } else {
2773                 instr_out(ctx, index, "%s state base not updated\n",
2774                           name);
2775         }
2776 }
2777
2778 static void
2779 state_max_out(struct drm_intel_decode *ctx, unsigned int index,
2780               const char *name)
2781 {
2782         if (ctx->data[index] & 1) {
2783                 if (ctx->data[index] == 1) {
2784                         instr_out(ctx, index,
2785                                   "%s state upper bound disabled\n", name);
2786                 } else {
2787                         instr_out(ctx, index,
2788                                   "%s state upper bound 0x%08x\n", name,
2789                                   ctx->data[index] & ~1);
2790                 }
2791         } else {
2792                 instr_out(ctx, index,
2793                           "%s state upper bound not updated\n", name);
2794         }
2795 }
2796
2797 static int
2798 gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC(struct drm_intel_decode *ctx)
2799 {
2800         instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_CC\n");
2801         instr_out(ctx, 1, "pointer to CC viewport\n");
2802
2803         return 2;
2804 }
2805
2806 static int
2807 gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP(struct drm_intel_decode *ctx)
2808 {
2809         instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP\n");
2810         instr_out(ctx, 1, "pointer to SF_CLIP viewport\n");
2811
2812         return 2;
2813 }
2814
2815 static int
2816 gen7_3DSTATE_BLEND_STATE_POINTERS(struct drm_intel_decode *ctx)
2817 {
2818         instr_out(ctx, 0, "3DSTATE_BLEND_STATE_POINTERS\n");
2819         instr_out(ctx, 1, "pointer to BLEND_STATE at 0x%08x (%s)\n",
2820                   ctx->data[1] & ~1,
2821                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2822
2823         return 2;
2824 }
2825
2826 static int
2827 gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS(struct drm_intel_decode *ctx)
2828 {
2829         instr_out(ctx, 0, "3DSTATE_DEPTH_STENCIL_STATE_POINTERS\n");
2830         instr_out(ctx, 1,
2831                   "pointer to DEPTH_STENCIL_STATE at 0x%08x (%s)\n",
2832                   ctx->data[1] & ~1,
2833                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2834
2835         return 2;
2836 }
2837
2838 static int
2839 gen7_3DSTATE_HIER_DEPTH_BUFFER(struct drm_intel_decode *ctx)
2840 {
2841         instr_out(ctx, 0, "3DSTATE_HIER_DEPTH_BUFFER\n");
2842         instr_out(ctx, 1, "pitch %db\n",
2843                   (ctx->data[1] & 0x1ffff) + 1);
2844         instr_out(ctx, 2, "pointer to HiZ buffer\n");
2845
2846         return 3;
2847 }
2848
2849 static int
2850 gen6_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2851 {
2852         instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2853         instr_out(ctx, 1, "blend change %d\n", ctx->data[1] & 1);
2854         instr_out(ctx, 2, "depth stencil change %d\n",
2855                   ctx->data[2] & 1);
2856         instr_out(ctx, 3, "cc change %d\n", ctx->data[3] & 1);
2857
2858         return 4;
2859 }
2860
2861 static int
2862 gen7_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2863 {
2864         instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2865         instr_out(ctx, 1, "pointer to COLOR_CALC_STATE at 0x%08x "
2866                   "(%s)\n",
2867                   ctx->data[1] & ~1,
2868                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2869
2870         return 2;
2871 }
2872
2873 static int
2874 gen7_3DSTATE_URB_unit(struct drm_intel_decode *ctx, const char *unit)
2875 {
2876     int start_kb = ((ctx->data[1] >> 25) & 0x3f) * 8;
2877     /* the field is # of 512-bit rows - 1, we print bytes */
2878     int entry_size = (((ctx->data[1] >> 16) & 0x1ff) + 1);
2879     int nr_entries = ctx->data[1] & 0xffff;
2880
2881     instr_out(ctx, 0, "3DSTATE_URB_%s\n", unit);
2882     instr_out(ctx, 1,
2883               "%dKB start, size=%d 64B rows, nr_entries=%d, total size %dB\n",
2884               start_kb, entry_size, nr_entries, nr_entries * 64 * entry_size);
2885
2886     return 2;
2887 }
2888
2889 static int
2890 gen7_3DSTATE_URB_VS(struct drm_intel_decode *ctx)
2891 {
2892         return gen7_3DSTATE_URB_unit(ctx, "VS");
2893 }
2894
2895 static int
2896 gen7_3DSTATE_URB_HS(struct drm_intel_decode *ctx)
2897 {
2898         return gen7_3DSTATE_URB_unit(ctx, "HS");
2899 }
2900
2901 static int
2902 gen7_3DSTATE_URB_DS(struct drm_intel_decode *ctx)
2903 {
2904         return gen7_3DSTATE_URB_unit(ctx, "DS");
2905 }
2906
2907 static int
2908 gen7_3DSTATE_URB_GS(struct drm_intel_decode *ctx)
2909 {
2910         return gen7_3DSTATE_URB_unit(ctx, "GS");
2911 }
2912
2913 static int
2914 gen7_3DSTATE_CONSTANT(struct drm_intel_decode *ctx, const char *unit)
2915 {
2916         int rlen[4];
2917
2918         rlen[0] = (ctx->data[1] >> 0) & 0xffff;
2919         rlen[1] = (ctx->data[1] >> 16) & 0xffff;
2920         rlen[2] = (ctx->data[2] >> 0) & 0xffff;
2921         rlen[3] = (ctx->data[2] >> 16) & 0xffff;
2922
2923         instr_out(ctx, 0, "3DSTATE_CONSTANT_%s\n", unit);
2924         instr_out(ctx, 1, "len 0 = %d, len 1 = %d\n", rlen[0], rlen[1]);
2925         instr_out(ctx, 2, "len 2 = %d, len 3 = %d\n", rlen[2], rlen[3]);
2926         instr_out(ctx, 3, "pointer to constbuf 0\n");
2927         instr_out(ctx, 4, "pointer to constbuf 1\n");
2928         instr_out(ctx, 5, "pointer to constbuf 2\n");
2929         instr_out(ctx, 6, "pointer to constbuf 3\n");
2930
2931         return 7;
2932 }
2933
2934 static int
2935 gen7_3DSTATE_CONSTANT_VS(struct drm_intel_decode *ctx)
2936 {
2937         return gen7_3DSTATE_CONSTANT(ctx, "VS");
2938 }
2939
2940 static int
2941 gen7_3DSTATE_CONSTANT_GS(struct drm_intel_decode *ctx)
2942 {
2943         return gen7_3DSTATE_CONSTANT(ctx, "GS");
2944 }
2945
2946 static int
2947 gen7_3DSTATE_CONSTANT_PS(struct drm_intel_decode *ctx)
2948 {
2949         return gen7_3DSTATE_CONSTANT(ctx, "PS");
2950 }
2951
2952 static int
2953 gen7_3DSTATE_CONSTANT_DS(struct drm_intel_decode *ctx)
2954 {
2955         return gen7_3DSTATE_CONSTANT(ctx, "DS");
2956 }
2957
2958 static int
2959 gen7_3DSTATE_CONSTANT_HS(struct drm_intel_decode *ctx)
2960 {
2961         return gen7_3DSTATE_CONSTANT(ctx, "HS");
2962 }
2963
2964
2965 static int
2966 gen6_3DSTATE_WM(struct drm_intel_decode *ctx)
2967 {
2968         instr_out(ctx, 0, "3DSTATE_WM\n");
2969         instr_out(ctx, 1, "kernel start pointer 0\n");
2970         instr_out(ctx, 2,
2971                   "SPF=%d, VME=%d, Sampler Count %d, "
2972                   "Binding table count %d\n",
2973                   (ctx->data[2] >> 31) & 1,
2974                   (ctx->data[2] >> 30) & 1,
2975                   (ctx->data[2] >> 27) & 7,
2976                   (ctx->data[2] >> 18) & 0xff);
2977         instr_out(ctx, 3, "scratch offset\n");
2978         instr_out(ctx, 4,
2979                   "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
2980                   "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
2981                   (ctx->data[4] & (1 << 30)) != 0,
2982                   (ctx->data[4] & (1 << 28)) != 0,
2983                   (ctx->data[4] & (1 << 27)) != 0,
2984                   (ctx->data[4] >> 16) & 0x7f,
2985                   (ctx->data[4] >> 8) & 0x7f,
2986                   (ctx->data[4] & 0x7f));
2987         instr_out(ctx, 5,
2988                   "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
2989                   "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, "
2990                   "Dispatch32 %d, Dispatch16 %d, Dispatch8 %d\n",
2991                   ((ctx->data[5] >> 25) & 0x7f) + 1,
2992                   (ctx->data[5] & (1 << 22)) != 0,
2993                   (ctx->data[5] & (1 << 21)) != 0,
2994                   (ctx->data[5] & (1 << 20)) != 0,
2995                   (ctx->data[5] & (1 << 19)) != 0,
2996                   (ctx->data[5] & (1 << 8)) != 0,
2997                   (ctx->data[5] & (1 << 2)) != 0,
2998                   (ctx->data[5] & (1 << 1)) != 0,
2999                   (ctx->data[5] & (1 << 0)) != 0);
3000         instr_out(ctx, 6,
3001                   "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
3002                   "Barycentric interp mode 0x%x, Point raster rule %d, "
3003                   "Multisample mode %d, "
3004                   "Multisample Dispatch mode %d\n",
3005                   (ctx->data[6] >> 20) & 0x3f,
3006                   (ctx->data[6] >> 18) & 3,
3007                   (ctx->data[6] >> 16) & 3,
3008                   (ctx->data[6] >> 10) & 0x3f,
3009                   (ctx->data[6] & (1 << 9)) != 0,
3010                   (ctx->data[6] >> 1) & 3,
3011                   (ctx->data[6] & 1));
3012         instr_out(ctx, 7, "kernel start pointer 1\n");
3013         instr_out(ctx, 8, "kernel start pointer 2\n");
3014
3015         return 9;
3016 }
3017
3018 static int
3019 gen7_3DSTATE_WM(struct drm_intel_decode *ctx)
3020 {
3021         const char *computed_depth = "";
3022         const char *early_depth = "";
3023         const char *zw_interp = "";
3024
3025         switch ((ctx->data[1] >> 23) & 0x3) {
3026         case 0:
3027                 computed_depth = "";
3028                 break;
3029         case 1:
3030                 computed_depth = "computed depth";
3031                 break;
3032         case 2:
3033                 computed_depth = "computed depth >=";
3034                 break;
3035         case 3:
3036                 computed_depth = "computed depth <=";
3037                 break;
3038         }
3039
3040         switch ((ctx->data[1] >> 21) & 0x3) {
3041         case 0:
3042                 early_depth = "";
3043                 break;
3044         case 1:
3045                 early_depth = ", EDSC_PSEXEC";
3046                 break;
3047         case 2:
3048                 early_depth = ", EDSC_PREPS";
3049                 break;
3050         case 3:
3051                 early_depth = ", BAD EDSC";
3052                 break;
3053         }
3054
3055         switch ((ctx->data[1] >> 17) & 0x3) {
3056         case 0:
3057                 early_depth = "";
3058                 break;
3059         case 1:
3060                 early_depth = ", BAD ZW interp";
3061                 break;
3062         case 2:
3063                 early_depth = ", ZW centroid";
3064                 break;
3065         case 3:
3066                 early_depth = ", ZW sample";
3067                 break;
3068         }
3069
3070         instr_out(ctx, 0, "3DSTATE_WM\n");
3071         instr_out(ctx, 1, "(%s%s%s%s%s%s)%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3072                   (ctx->data[1] & (1 << 11)) ? "PP " : "",
3073                   (ctx->data[1] & (1 << 12)) ? "PC " : "",
3074                   (ctx->data[1] & (1 << 13)) ? "PS " : "",
3075                   (ctx->data[1] & (1 << 14)) ? "NPP " : "",
3076                   (ctx->data[1] & (1 << 15)) ? "NPC " : "",
3077                   (ctx->data[1] & (1 << 16)) ? "NPS " : "",
3078                   (ctx->data[1] & (1 << 30)) ? ", depth clear" : "",
3079                   (ctx->data[1] & (1 << 29)) ? "" : ", disabled",
3080                   (ctx->data[1] & (1 << 28)) ? ", depth resolve" : "",
3081                   (ctx->data[1] & (1 << 27)) ? ", hiz resolve" : "",
3082                   (ctx->data[1] & (1 << 25)) ? ", kill" : "",
3083                   computed_depth,
3084                   early_depth,
3085                   zw_interp,
3086                   (ctx->data[1] & (1 << 20)) ? ", source depth" : "",
3087                   (ctx->data[1] & (1 << 19)) ? ", source W" : "",
3088                   (ctx->data[1] & (1 << 10)) ? ", coverage" : "",
3089                   (ctx->data[1] & (1 << 4)) ? ", poly stipple" : "",
3090                   (ctx->data[1] & (1 << 3)) ? ", line stipple" : "",
3091                   (ctx->data[1] & (1 << 2)) ? ", point UL" : ", point UR"
3092                   );
3093         instr_out(ctx, 2, "MS\n");
3094
3095         return 3;
3096 }
3097
3098 static int
3099 gen4_3DPRIMITIVE(struct drm_intel_decode *ctx)
3100 {
3101         instr_out(ctx, 0,
3102                   "3DPRIMITIVE: %s %s\n",
3103                   get_965_prim_type((ctx->data[0] >> 10) & 0x1f),
3104                   (ctx->data[0] & (1 << 15)) ? "random" : "sequential");
3105         instr_out(ctx, 1, "vertex count\n");
3106         instr_out(ctx, 2, "start vertex\n");
3107         instr_out(ctx, 3, "instance count\n");
3108         instr_out(ctx, 4, "start instance\n");
3109         instr_out(ctx, 5, "index bias\n");
3110
3111         return 6;
3112 }
3113
3114 static int
3115 gen7_3DPRIMITIVE(struct drm_intel_decode *ctx)
3116 {
3117         bool indirect = !!(ctx->data[0] & (1 << 10));
3118
3119         instr_out(ctx, 0,
3120                   "3DPRIMITIVE: %s%s\n",
3121                   indirect ? " indirect" : "",
3122                   (ctx->data[0] & (1 << 8)) ? " predicated" : "");
3123         instr_out(ctx, 1, "%s %s\n",
3124                   get_965_prim_type(ctx->data[1] & 0x3f),
3125                   (ctx->data[1] & (1 << 8)) ? "random" : "sequential");
3126         instr_out(ctx, 2, indirect ? "ignored" : "vertex count\n");
3127         instr_out(ctx, 3, indirect ? "ignored" : "start vertex\n");
3128         instr_out(ctx, 4, indirect ? "ignored" : "instance count\n");
3129         instr_out(ctx, 5, indirect ? "ignored" : "start instance\n");
3130         instr_out(ctx, 6, indirect ? "ignored" : "index bias\n");
3131
3132         return 7;
3133 }
3134
3135 static int
3136 decode_3d_965(struct drm_intel_decode *ctx)
3137 {
3138         uint32_t opcode;
3139         unsigned int len;
3140         unsigned int i, j, sba_len;
3141         const char *desc1 = NULL;
3142         uint32_t *data = ctx->data;
3143         uint32_t devid = ctx->devid;
3144
3145         struct {
3146                 uint32_t opcode;
3147                 uint32_t len_mask;
3148                 int unsigned min_len;
3149                 int unsigned max_len;
3150                 const char *name;
3151                 int gen;
3152                 int (*func)(struct drm_intel_decode *ctx);
3153         } opcodes_3d[] = {
3154                 { 0x6000, 0x00ff, 3, 3, "URB_FENCE" },
3155                 { 0x6001, 0xffff, 2, 2, "CS_URB_STATE" },
3156                 { 0x6002, 0x00ff, 2, 2, "CONSTANT_BUFFER" },
3157                 { 0x6101, 0xffff, 6, 10, "STATE_BASE_ADDRESS" },
3158                 { 0x6102, 0xffff, 2, 2, "STATE_SIP" },
3159                 { 0x6104, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3160                 { 0x680b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3161                 { 0x6904, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3162                 { 0x7800, 0xffff, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
3163                 { 0x7801, 0x00ff, 4, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
3164                 { 0x7802, 0x00ff, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
3165                 { 0x7805, 0x00ff, 7, 7, "3DSTATE_DEPTH_BUFFER", 7 },
3166                 { 0x7805, 0x00ff, 3, 3, "3DSTATE_URB" },
3167                 { 0x7804, 0x00ff, 3, 3, "3DSTATE_CLEAR_PARAMS" },
3168                 { 0x7806, 0x00ff, 3, 3, "3DSTATE_STENCIL_BUFFER" },
3169                 { 0x790f, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 6 },
3170                 { 0x7807, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 7, gen7_3DSTATE_HIER_DEPTH_BUFFER },
3171                 { 0x7808, 0x00ff, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
3172                 { 0x7809, 0x00ff, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
3173                 { 0x780a, 0x00ff, 3, 3, "3DSTATE_INDEX_BUFFER" },
3174                 { 0x780b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3175                 { 0x780d, 0x00ff, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
3176                 { 0x780e, 0xffff, 4, 4, NULL, 6, gen6_3DSTATE_CC_STATE_POINTERS },
3177                 { 0x780e, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_CC_STATE_POINTERS },
3178                 { 0x780f, 0x00ff, 2, 2, "3DSTATE_SCISSOR_POINTERS" },
3179                 { 0x7810, 0x00ff, 6, 6, "3DSTATE_VS" },
3180                 { 0x7811, 0x00ff, 7, 7, "3DSTATE_GS" },
3181                 { 0x7812, 0x00ff, 4, 4, "3DSTATE_CLIP" },
3182                 { 0x7813, 0x00ff, 20, 20, "3DSTATE_SF", 6 },
3183                 { 0x7813, 0x00ff, 7, 7, "3DSTATE_SF", 7 },
3184                 { 0x7814, 0x00ff, 3, 3, "3DSTATE_WM", 7, gen7_3DSTATE_WM },
3185                 { 0x7814, 0x00ff, 9, 9, "3DSTATE_WM", 6, gen6_3DSTATE_WM },
3186                 { 0x7815, 0x00ff, 5, 5, "3DSTATE_CONSTANT_VS_STATE", 6 },
3187                 { 0x7815, 0x00ff, 7, 7, "3DSTATE_CONSTANT_VS", 7, gen7_3DSTATE_CONSTANT_VS },
3188                 { 0x7816, 0x00ff, 5, 5, "3DSTATE_CONSTANT_GS_STATE", 6 },
3189                 { 0x7816, 0x00ff, 7, 7, "3DSTATE_CONSTANT_GS", 7, gen7_3DSTATE_CONSTANT_GS },
3190                 { 0x7817, 0x00ff, 5, 5, "3DSTATE_CONSTANT_PS_STATE", 6 },
3191                 { 0x7817, 0x00ff, 7, 7, "3DSTATE_CONSTANT_PS", 7, gen7_3DSTATE_CONSTANT_PS },
3192                 { 0x7818, 0xffff, 2, 2, "3DSTATE_SAMPLE_MASK" },
3193                 { 0x7819, 0x00ff, 7, 7, "3DSTATE_CONSTANT_HS", 7, gen7_3DSTATE_CONSTANT_HS },
3194                 { 0x781a, 0x00ff, 7, 7, "3DSTATE_CONSTANT_DS", 7, gen7_3DSTATE_CONSTANT_DS },
3195                 { 0x781b, 0x00ff, 7, 7, "3DSTATE_HS" },
3196                 { 0x781c, 0x00ff, 4, 4, "3DSTATE_TE" },
3197                 { 0x781d, 0x00ff, 6, 6, "3DSTATE_DS" },
3198                 { 0x781e, 0x00ff, 3, 3, "3DSTATE_STREAMOUT" },
3199                 { 0x781f, 0x00ff, 14, 14, "3DSTATE_SBE" },
3200                 { 0x7820, 0x00ff, 8, 8, "3DSTATE_PS" },
3201                 { 0x7821, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP },
3202                 { 0x7823, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC },
3203                 { 0x7824, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_BLEND_STATE_POINTERS },
3204                 { 0x7825, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS },
3205                 { 0x7826, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_VS" },
3206                 { 0x7827, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_HS" },
3207                 { 0x7828, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_DS" },
3208                 { 0x7829, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_GS" },
3209                 { 0x782a, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_PS" },
3210                 { 0x782b, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_VS" },
3211                 { 0x782c, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_HS" },
3212                 { 0x782d, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_DS" },
3213                 { 0x782e, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_GS" },
3214                 { 0x782f, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_PS" },
3215                 { 0x7830, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_VS },
3216                 { 0x7831, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_HS },
3217                 { 0x7832, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_DS },
3218                 { 0x7833, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_GS },
3219                 { 0x7900, 0xffff, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
3220                 { 0x7901, 0xffff, 5, 5, "3DSTATE_CONSTANT_COLOR" },
3221                 { 0x7905, 0xffff, 5, 7, "3DSTATE_DEPTH_BUFFER" },
3222                 { 0x7906, 0xffff, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
3223                 { 0x7907, 0xffff, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
3224                 { 0x7908, 0xffff, 3, 3, "3DSTATE_LINE_STIPPLE" },
3225                 { 0x7909, 0xffff, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
3226                 { 0x7909, 0xffff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3227                 { 0x790a, 0xffff, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
3228                 { 0x790b, 0xffff, 4, 4, "3DSTATE_GS_SVB_INDEX" },
3229                 { 0x790d, 0xffff, 3, 3, "3DSTATE_MULTISAMPLE", 6 },
3230                 { 0x790d, 0xffff, 4, 4, "3DSTATE_MULTISAMPLE", 7 },
3231                 { 0x7910, 0x00ff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3232                 { 0x7912, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_VS" },
3233                 { 0x7913, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_HS" },
3234                 { 0x7914, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_DS" },
3235                 { 0x7915, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_GS" },
3236                 { 0x7916, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_PS" },
3237                 { 0x7917, 0x00ff, 2, 2+128*2, "3DSTATE_SO_DECL_LIST" },
3238                 { 0x7918, 0x00ff, 4, 4, "3DSTATE_SO_BUFFER" },
3239                 { 0x7a00, 0x00ff, 4, 6, "PIPE_CONTROL" },
3240                 { 0x7b00, 0x00ff, 7, 7, NULL, 7, gen7_3DPRIMITIVE },
3241                 { 0x7b00, 0x00ff, 6, 6, NULL, 0, gen4_3DPRIMITIVE },
3242         }, *opcode_3d = NULL;
3243
3244         opcode = (data[0] & 0xffff0000) >> 16;
3245
3246         for (i = 0; i < ARRAY_SIZE(opcodes_3d); i++) {
3247                 if (opcode != opcodes_3d[i].opcode)
3248                         continue;
3249
3250                 /* If it's marked as not our gen, skip. */
3251                 if (opcodes_3d[i].gen && opcodes_3d[i].gen != ctx->gen)
3252                         continue;
3253
3254                 opcode_3d = &opcodes_3d[i];
3255                 break;
3256         }
3257
3258         if (opcode_3d) {
3259                 if (opcode_3d->max_len == 1)
3260                         len = 1;
3261                 else
3262                         len = (data[0] & opcode_3d->len_mask) + 2;
3263
3264                 if (len < opcode_3d->min_len ||
3265                     len > opcode_3d->max_len) {
3266                         fprintf(out, "Bad length %d in %s, expected %d-%d\n",
3267                                 len, opcode_3d->name,
3268                                 opcode_3d->min_len, opcode_3d->max_len);
3269                 }
3270         } else {
3271                 len = (data[0] & 0x0000ffff) + 2;
3272         }
3273
3274         switch (opcode) {
3275         case 0x6000:
3276                 return i965_decode_urb_fence(ctx, len);
3277         case 0x6001:
3278                 instr_out(ctx, 0, "CS_URB_STATE\n");
3279                 instr_out(ctx, 1,
3280                           "entry_size: %d [%d bytes], n_entries: %d\n",
3281                           (data[1] >> 4) & 0x1f,
3282                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
3283                 return len;
3284         case 0x6002:
3285                 instr_out(ctx, 0, "CONSTANT_BUFFER: %s\n",
3286                           (data[0] >> 8) & 1 ? "valid" : "invalid");
3287                 instr_out(ctx, 1,
3288                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
3289                           ((data[1] & 0x3f) + 1) * 64);
3290                 return len;
3291         case 0x6101:
3292                 i = 0;
3293                 instr_out(ctx, 0, "STATE_BASE_ADDRESS\n");
3294                 i++;
3295
3296                 if (IS_GEN6(devid) || IS_GEN7(devid))
3297                         sba_len = 10;
3298                 else if (IS_GEN5(devid))
3299                         sba_len = 8;
3300                 else
3301                         sba_len = 6;
3302                 if (len != sba_len)
3303                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
3304
3305                 state_base_out(ctx, i++, "general");
3306                 state_base_out(ctx, i++, "surface");
3307                 if (IS_GEN6(devid) || IS_GEN7(devid))
3308                         state_base_out(ctx, i++, "dynamic");
3309                 state_base_out(ctx, i++, "indirect");
3310                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3311                         state_base_out(ctx, i++, "instruction");
3312
3313                 state_max_out(ctx, i++, "general");
3314                 if (IS_GEN6(devid) || IS_GEN7(devid))
3315                         state_max_out(ctx, i++, "dynamic");
3316                 state_max_out(ctx, i++, "indirect");
3317                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3318                         state_max_out(ctx, i++, "instruction");
3319
3320                 return len;
3321         case 0x7800:
3322                 instr_out(ctx, 0, "3DSTATE_PIPELINED_POINTERS\n");
3323                 instr_out(ctx, 1, "VS state\n");
3324                 instr_out(ctx, 2, "GS state\n");
3325                 instr_out(ctx, 3, "Clip state\n");
3326                 instr_out(ctx, 4, "SF state\n");
3327                 instr_out(ctx, 5, "WM state\n");
3328                 instr_out(ctx, 6, "CC state\n");
3329                 return len;
3330         case 0x7801:
3331                 if (len != 6 && len != 4)
3332                         fprintf(out,
3333                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
3334                 if (len == 6) {
3335                         instr_out(ctx, 0,
3336                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
3337                         instr_out(ctx, 1, "VS binding table\n");
3338                         instr_out(ctx, 2, "GS binding table\n");
3339                         instr_out(ctx, 3, "Clip binding table\n");
3340                         instr_out(ctx, 4, "SF binding table\n");
3341                         instr_out(ctx, 5, "WM binding table\n");
3342                 } else {
3343                         instr_out(ctx, 0,
3344                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
3345                                   "GS mod %d, PS mod %d\n",
3346                                   (data[0] & (1 << 8)) != 0,
3347                                   (data[0] & (1 << 9)) != 0,
3348                                   (data[0] & (1 << 12)) != 0);
3349                         instr_out(ctx, 1, "VS binding table\n");
3350                         instr_out(ctx, 2, "GS binding table\n");
3351                         instr_out(ctx, 3, "WM binding table\n");
3352                 }
3353
3354                 return len;
3355         case 0x7802:
3356                 instr_out(ctx, 0,
3357                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
3358                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
3359                           (data[0] & (1 << 9)) != 0,
3360                           (data[0] & (1 << 12)) != 0);
3361                 instr_out(ctx, 1, "VS sampler state\n");
3362                 instr_out(ctx, 2, "GS sampler state\n");
3363                 instr_out(ctx, 3, "WM sampler state\n");
3364                 return len;
3365         case 0x7805:
3366                 /* Actually 3DSTATE_DEPTH_BUFFER on gen7. */
3367                 if (ctx->gen == 7)
3368                         break;
3369
3370                 instr_out(ctx, 0, "3DSTATE_URB\n");
3371                 instr_out(ctx, 1,
3372                           "VS entries %d, alloc size %d (1024bit row)\n",
3373                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
3374                 instr_out(ctx, 2,
3375                           "GS entries %d, alloc size %d (1024bit row)\n",
3376                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
3377                 return len;
3378
3379         case 0x7808:
3380                 if ((len - 1) % 4 != 0)
3381                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
3382                 instr_out(ctx, 0, "3DSTATE_VERTEX_BUFFERS\n");
3383
3384                 for (i = 1; i < len;) {
3385                         int idx, access;
3386                         if (IS_GEN6(devid)) {
3387                                 idx = 26;
3388                                 access = 20;
3389                         } else {
3390                                 idx = 27;
3391                                 access = 26;
3392                         }
3393                         instr_out(ctx, i,
3394                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
3395                                   data[i] & (1 << access) ? "random" :
3396                                   "sequential", data[i] & 0x07ff);
3397                         i++;
3398                         instr_out(ctx, i++, "buffer address\n");
3399                         instr_out(ctx, i++, "max index\n");
3400                         instr_out(ctx, i++, "mbz\n");
3401                 }
3402                 return len;
3403
3404         case 0x7809:
3405                 if ((len + 1) % 2 != 0)
3406                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
3407                 instr_out(ctx, 0, "3DSTATE_VERTEX_ELEMENTS\n");
3408
3409                 for (i = 1; i < len;) {
3410                         instr_out(ctx, i,
3411                                   "buffer %d: %svalid, type 0x%04x, "
3412                                   "src offset 0x%04x bytes\n",
3413                                   data[i] >> ((IS_GEN6(devid) || IS_GEN7(devid)) ? 26 : 27),
3414                                   data[i] & (1 << ((IS_GEN6(devid) || IS_GEN7(devid)) ? 25 : 26)) ?
3415                                   "" : "in", (data[i] >> 16) & 0x1ff,
3416                                   data[i] & 0x07ff);
3417                         i++;
3418                         instr_out(ctx, i, "(%s, %s, %s, %s), "
3419                                   "dst offset 0x%02x bytes\n",
3420                                   get_965_element_component(data[i], 0),
3421                                   get_965_element_component(data[i], 1),
3422                                   get_965_element_component(data[i], 2),
3423                                   get_965_element_component(data[i], 3),
3424                                   (data[i] & 0xff) * 4);
3425                         i++;
3426                 }
3427                 return len;
3428
3429         case 0x780d:
3430                 instr_out(ctx, 0,
3431                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3432                 instr_out(ctx, 1, "clip\n");
3433                 instr_out(ctx, 2, "sf\n");
3434                 instr_out(ctx, 3, "cc\n");
3435                 return len;
3436
3437         case 0x780a:
3438                 instr_out(ctx, 0, "3DSTATE_INDEX_BUFFER\n");
3439                 instr_out(ctx, 1, "beginning buffer address\n");
3440                 instr_out(ctx, 2, "ending buffer address\n");
3441                 return len;
3442
3443         case 0x780f:
3444                 instr_out(ctx, 0, "3DSTATE_SCISSOR_POINTERS\n");
3445                 instr_out(ctx, 1, "scissor rect offset\n");
3446                 return len;
3447
3448         case 0x7810:
3449                 instr_out(ctx, 0, "3DSTATE_VS\n");
3450                 instr_out(ctx, 1, "kernel pointer\n");
3451                 instr_out(ctx, 2,
3452                           "SPF=%d, VME=%d, Sampler Count %d, "
3453                           "Binding table count %d\n", (data[2] >> 31) & 1,
3454                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3455                           (data[2] >> 18) & 0xff);
3456                 instr_out(ctx, 3, "scratch offset\n");
3457                 instr_out(ctx, 4,
3458                           "Dispatch GRF start %d, VUE read length %d, "
3459                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3460                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3461                 instr_out(ctx, 5,
3462                           "Max Threads %d, Vertex Cache %sable, "
3463                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3464                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3465                           (data[5] & 1) != 0 ? "en" : "dis");
3466                 return len;
3467
3468         case 0x7811:
3469                 instr_out(ctx, 0, "3DSTATE_GS\n");
3470                 instr_out(ctx, 1, "kernel pointer\n");
3471                 instr_out(ctx, 2,
3472                           "SPF=%d, VME=%d, Sampler Count %d, "
3473                           "Binding table count %d\n", (data[2] >> 31) & 1,
3474                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3475                           (data[2] >> 18) & 0xff);
3476                 instr_out(ctx, 3, "scratch offset\n");
3477                 instr_out(ctx, 4,
3478                           "Dispatch GRF start %d, VUE read length %d, "
3479                           "VUE read offset %d\n", (data[4] & 0xf),
3480                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3481                 instr_out(ctx, 5,
3482                           "Max Threads %d, Rendering %sable\n",
3483                           ((data[5] >> 25) & 0x7f) + 1,
3484                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3485                 instr_out(ctx, 6,
3486                           "Reorder %sable, Discard Adjaceny %sable, "
3487                           "GS %sable\n",
3488                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3489                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3490                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3491                 return len;
3492
3493         case 0x7812:
3494                 instr_out(ctx, 0, "3DSTATE_CLIP\n");
3495                 instr_out(ctx, 1,
3496                           "UserClip distance cull test mask 0x%x\n",
3497                           data[1] & 0xff);
3498                 instr_out(ctx, 2,
3499                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3500                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3501                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3502                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3503                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3504                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3505                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3506                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3507                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3508                           (data[2] >> 13) & 7,
3509                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3510                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3511                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3512                           (data[2] & 3));
3513                 instr_out(ctx, 3,
3514                           "Min PointWidth %d, Max PointWidth %d, "
3515                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3516                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3517                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3518                           (data[3] & 0xf));
3519                 return len;
3520
3521         case 0x7813:
3522                 if (ctx->gen == 7)
3523                         break;
3524
3525                 instr_out(ctx, 0, "3DSTATE_SF\n");
3526                 instr_out(ctx, 1,
3527                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3528                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3529                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3530                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3531                 instr_out(ctx, 2,
3532                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3533                           "VP transform %sable, FrontWinding_%s\n",
3534                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3535                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3536                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3537                           (data[2] & 1) != 0 ? "CCW" : "CW");
3538                 instr_out(ctx, 3,
3539                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3540                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3541                           (data[3] >> 29) & 3,
3542                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3543                           (data[3] >> 8) & 3);
3544                 instr_out(ctx, 4,
3545                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3546                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3547                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3548                           (data[4] & (1 << 11)) != 0);
3549                 instr_out(ctx, 5,
3550                           "Global Depth Offset Constant %f\n",
3551                           *(float *)(&data[5]));
3552                 instr_out(ctx, 6, "Global Depth Offset Scale %f\n",
3553                           *(float *)(&data[6]));
3554                 instr_out(ctx, 7, "Global Depth Offset Clamp %f\n",
3555                           *(float *)(&data[7]));
3556
3557                 for (i = 0, j = 0; i < 8; i++, j += 2)
3558                         instr_out(ctx, i + 8,
3559                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3560                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3561                                   j + 1,
3562                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3563                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3564                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3565                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3566                                   (data[8 + i] >> 25) & 3,
3567                                   (data[8 + i] >> 22) & 3,
3568                                   (data[8 + i] >> 16) & 0x1f, j,
3569                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3570                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3571                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3572                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3573                                   (data[8 + i] >> 9) & 3,
3574                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3575                 instr_out(ctx, 16,
3576                           "Point Sprite TexCoord Enable\n");
3577                 instr_out(ctx, 17, "Const Interp Enable\n");
3578                 instr_out(ctx, 18,
3579                           "Attrib 7-0 WrapShortest Enable\n");
3580                 instr_out(ctx, 19,
3581                           "Attrib 15-8 WrapShortest Enable\n");
3582
3583                 return len;
3584
3585         case 0x7900:
3586                 instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3587                 instr_out(ctx, 1, "top left: %d,%d\n",
3588                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3589                 instr_out(ctx, 2, "bottom right: %d,%d\n",
3590                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3591                 instr_out(ctx, 3, "origin: %d,%d\n",
3592                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3593
3594                 return len;
3595
3596         case 0x7905:
3597                 instr_out(ctx, 0, "3DSTATE_DEPTH_BUFFER\n");
3598                 if (IS_GEN5(devid) || IS_GEN6(devid))
3599                         instr_out(ctx, 1,
3600                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Seperate Stencil %d\n",
3601                                   get_965_surfacetype(data[1] >> 29),
3602                                   get_965_depthformat((data[1] >> 18) & 0x7),
3603                                   (data[1] & 0x0001ffff) + 1,
3604                                   data[1] & (1 << 27) ? "" : "not ",
3605                                   (data[1] & (1 << 22)) != 0,
3606                                   (data[1] & (1 << 21)) != 0);
3607                 else
3608                         instr_out(ctx, 1,
3609                                   "%s, %s, pitch = %d bytes, %stiled\n",
3610                                   get_965_surfacetype(data[1] >> 29),
3611                                   get_965_depthformat((data[1] >> 18) & 0x7),
3612                                   (data[1] & 0x0001ffff) + 1,
3613                                   data[1] & (1 << 27) ? "" : "not ");
3614                 instr_out(ctx, 2, "depth offset\n");
3615                 instr_out(ctx, 3, "%dx%d\n",
3616                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3617                           ((data[3] & 0xfff80000) >> 19) + 1);
3618                 instr_out(ctx, 4, "volume depth\n");
3619                 if (len >= 6)
3620                         instr_out(ctx, 5, "\n");
3621                 if (len >= 7) {
3622                         if (IS_GEN6(devid))
3623                                 instr_out(ctx, 6, "\n");
3624                         else
3625                                 instr_out(ctx, 6,
3626                                           "render target view extent\n");
3627                 }
3628
3629                 return len;
3630
3631         case 0x7a00:
3632                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
3633                         unsigned int i;
3634                         if (len != 4 && len != 5)
3635                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3636
3637                         switch ((data[1] >> 14) & 0x3) {
3638                         case 0:
3639                                 desc1 = "no write";
3640                                 break;
3641                         case 1:
3642                                 desc1 = "qword write";
3643                                 break;
3644                         case 2:
3645                                 desc1 = "PS_DEPTH_COUNT write";
3646                                 break;
3647                         case 3:
3648                                 desc1 = "TIMESTAMP write";
3649                                 break;
3650                         }
3651                         instr_out(ctx, 0, "PIPE_CONTROL\n");
3652                         instr_out(ctx, 1,
3653                                   "%s, %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
3654                                   desc1,
3655                                   data[1] & (1 << 20) ? "cs stall, " : "",
3656                                   data[1] & (1 << 19) ?
3657                                   "global snapshot count reset, " : "",
3658                                   data[1] & (1 << 18) ? "tlb invalidate, " : "",
3659                                   data[1] & (1 << 17) ? "gfdt flush, " : "",
3660                                   data[1] & (1 << 17) ? "media state clear, " :
3661                                   "",
3662                                   data[1] & (1 << 13) ? "depth stall, " : "",
3663                                   data[1] & (1 << 12) ?
3664                                   "render target cache flush, " : "",
3665                                   data[1] & (1 << 11) ?
3666                                   "instruction cache invalidate, " : "",
3667                                   data[1] & (1 << 10) ?
3668                                   "texture cache invalidate, " : "",
3669                                   data[1] & (1 << 9) ?
3670                                   "indirect state invalidate, " : "",
3671                                   data[1] & (1 << 8) ? "notify irq, " : "",
3672                                   data[1] & (1 << 7) ? "PIPE_CONTROL flush, " :
3673                                   "",
3674                                   data[1] & (1 << 6) ? "protect mem app_id, " :
3675                                   "", data[1] & (1 << 5) ? "DC flush, " : "",
3676                                   data[1] & (1 << 4) ? "vf fetch invalidate, " :
3677                                   "",
3678                                   data[1] & (1 << 3) ?
3679                                   "constant cache invalidate, " : "",
3680                                   data[1] & (1 << 2) ?
3681                                   "state cache invalidate, " : "",
3682                                   data[1] & (1 << 1) ? "stall at scoreboard, " :
3683                                   "",
3684                                   data[1] & (1 << 0) ? "depth cache flush, " :
3685                                   "");
3686                         if (len == 5) {
3687                                 instr_out(ctx, 2,
3688                                           "destination address\n");
3689                                 instr_out(ctx, 3,
3690                                           "immediate dword low\n");
3691                                 instr_out(ctx, 4,
3692                                           "immediate dword high\n");
3693                         } else {
3694                                 for (i = 2; i < len; i++) {
3695                                         instr_out(ctx, i, "\n");
3696                                 }
3697                         }
3698                         return len;
3699                 } else {
3700                         if (len != 4)
3701                                 fprintf(out, "Bad count in PIPE_CONTROL\n");
3702
3703                         switch ((data[0] >> 14) & 0x3) {
3704                         case 0:
3705                                 desc1 = "no write";
3706                                 break;
3707                         case 1:
3708                                 desc1 = "qword write";
3709                                 break;
3710                         case 2:
3711                                 desc1 = "PS_DEPTH_COUNT write";
3712                                 break;
3713                         case 3:
3714                                 desc1 = "TIMESTAMP write";
3715                                 break;
3716                         }
3717                         instr_out(ctx, 0,
3718                                   "PIPE_CONTROL: %s, %sdepth stall, %sRC write flush, "
3719                                   "%sinst flush\n",
3720                                   desc1,
3721                                   data[0] & (1 << 13) ? "" : "no ",
3722                                   data[0] & (1 << 12) ? "" : "no ",
3723                                   data[0] & (1 << 11) ? "" : "no ");
3724                         instr_out(ctx, 1, "destination address\n");
3725                         instr_out(ctx, 2, "immediate dword low\n");
3726                         instr_out(ctx, 3, "immediate dword high\n");
3727                         return len;
3728                 }
3729         }
3730
3731         if (opcode_3d) {
3732                 if (opcode_3d->func) {
3733                         return opcode_3d->func(ctx);
3734                 } else {
3735                         unsigned int i;
3736
3737                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
3738
3739                         for (i = 1; i < len; i++) {
3740                                 instr_out(ctx, i, "dword %d\n", i);
3741                         }
3742                         return len;
3743                 }
3744         }
3745
3746         instr_out(ctx, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3747                   opcode);
3748         return 1;
3749 }
3750
3751 static int
3752 decode_3d_i830(struct drm_intel_decode *ctx)
3753 {
3754         unsigned int idx;
3755         uint32_t opcode;
3756         uint32_t *data = ctx->data;
3757
3758         struct {
3759                 uint32_t opcode;
3760                 unsigned int min_len;
3761                 unsigned int max_len;
3762                 const char *name;
3763         } opcodes_3d[] = {
3764                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3765                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3766                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3767                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3768                 { 0x06, 1, 1, "3DSTATE_AA" },
3769                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3770                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3771                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3772                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3773                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3774                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3775                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3776                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3777                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3778                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3779                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3780         }, *opcode_3d;
3781
3782         opcode = (data[0] & 0x1f000000) >> 24;
3783
3784         switch (opcode) {
3785         case 0x1f:
3786                 return decode_3d_primitive(ctx);
3787         case 0x1d:
3788                 return decode_3d_1d(ctx);
3789         case 0x1c:
3790                 return decode_3d_1c(ctx);
3791         }
3792
3793         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3794                 opcode_3d = &opcodes_3d[idx];
3795                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3796                         unsigned int len = 1, i;
3797
3798                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
3799                         if (opcode_3d->max_len > 1) {
3800                                 len = (data[0] & 0xff) + 2;
3801                                 if (len < opcode_3d->min_len ||
3802                                     len > opcode_3d->max_len) {
3803                                         fprintf(out, "Bad count in %s\n",
3804                                                 opcode_3d->name);
3805                                 }
3806                         }
3807
3808                         for (i = 1; i < len; i++) {
3809                                 instr_out(ctx, i, "dword %d\n", i);
3810                         }
3811                         return len;
3812                 }
3813         }
3814
3815         instr_out(ctx, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3816                   opcode);
3817         return 1;
3818 }
3819
3820 struct drm_intel_decode *
3821 drm_intel_decode_context_alloc(uint32_t devid)
3822 {
3823         struct drm_intel_decode *ctx;
3824
3825         ctx = calloc(1, sizeof(struct drm_intel_decode));
3826         if (!ctx)
3827                 return NULL;
3828
3829         ctx->devid = devid;
3830         ctx->out = stdout;
3831
3832         if (IS_GEN9(devid))
3833                 ctx->gen = 9;
3834         else if (IS_GEN8(devid))
3835                 ctx->gen = 8;
3836         else if (IS_GEN7(devid))
3837                 ctx->gen = 7;
3838         else if (IS_GEN6(devid))
3839                 ctx->gen = 6;
3840         else if (IS_GEN5(devid))
3841                 ctx->gen = 5;
3842         else if (IS_GEN4(devid))
3843                 ctx->gen = 4;
3844         else if (IS_9XX(devid))
3845                 ctx->gen = 3;
3846         else {
3847                 assert(IS_GEN2(devid));
3848                 ctx->gen = 2;
3849         }
3850
3851         return ctx;
3852 }
3853
3854 void
3855 drm_intel_decode_context_free(struct drm_intel_decode *ctx)
3856 {
3857         free(ctx);
3858 }
3859
3860 void
3861 drm_intel_decode_set_dump_past_end(struct drm_intel_decode *ctx,
3862                                    int dump_past_end)
3863 {
3864         ctx->dump_past_end = !!dump_past_end;
3865 }
3866
3867 void
3868 drm_intel_decode_set_batch_pointer(struct drm_intel_decode *ctx,
3869                                    void *data, uint32_t hw_offset, int count)
3870 {
3871         ctx->base_data = data;
3872         ctx->base_hw_offset = hw_offset;
3873         ctx->base_count = count;
3874 }
3875
3876 void
3877 drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
3878                                uint32_t head, uint32_t tail)
3879 {
3880         ctx->head = head;
3881         ctx->tail = tail;
3882 }
3883
3884 void
3885 drm_intel_decode_set_output_file(struct drm_intel_decode *ctx,
3886                                  FILE *out)
3887 {
3888         ctx->out = out;
3889 }
3890
3891 /**
3892  * Decodes an i830-i915 batch buffer, writing the output to stdout.
3893  *
3894  * \param data batch buffer contents
3895  * \param count number of DWORDs to decode in the batch buffer
3896  * \param hw_offset hardware address for the buffer
3897  */
3898 void
3899 drm_intel_decode(struct drm_intel_decode *ctx)
3900 {
3901         int ret;
3902         unsigned int index = 0;
3903         uint32_t devid;
3904         int size = ctx->base_count * 4;
3905         void *temp;
3906
3907         if (!ctx)
3908                 return;
3909
3910         /* Put a scratch page full of obviously undefined data after
3911          * the batchbuffer.  This lets us avoid a bunch of length
3912          * checking in statically sized packets.
3913          */
3914         temp = malloc(size + 4096);
3915         memcpy(temp, ctx->base_data, size);
3916         memset((char *)temp + size, 0xd0, 4096);
3917         ctx->data = temp;
3918
3919         ctx->hw_offset = ctx->base_hw_offset;
3920         ctx->count = ctx->base_count;
3921
3922         devid = ctx->devid;
3923         head_offset = ctx->head;
3924         tail_offset = ctx->tail;
3925         out = ctx->out;
3926
3927         saved_s2_set = 0;
3928         saved_s4_set = 1;
3929
3930         while (ctx->count > 0) {
3931                 index = 0;
3932
3933                 switch ((ctx->data[index] & 0xe0000000) >> 29) {
3934                 case 0x0:
3935                         ret = decode_mi(ctx);
3936
3937                         /* If MI_BATCHBUFFER_END happened, then dump
3938                          * the rest of the output in case we some day
3939                          * want it in debugging, but don't decode it
3940                          * since it'll just confuse in the common
3941                          * case.
3942                          */
3943                         if (ret == -1) {
3944                                 if (ctx->dump_past_end) {
3945                                         index++;
3946                                 } else {
3947                                         for (index = index + 1; index < ctx->count;
3948                                              index++) {
3949                                                 instr_out(ctx, index, "\n");
3950                                         }
3951                                 }
3952                         } else
3953                                 index += ret;
3954                         break;
3955                 case 0x2:
3956                         index += decode_2d(ctx);
3957                         break;
3958                 case 0x3:
3959                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3960                                 index +=
3961                                     decode_3d_965(ctx);
3962                         } else if (IS_GEN3(devid)) {
3963                                 index += decode_3d(ctx);
3964                         } else {
3965                                 index +=
3966                                     decode_3d_i830(ctx);
3967                         }
3968                         break;
3969                 default:
3970                         instr_out(ctx, index, "UNKNOWN\n");
3971                         index++;
3972                         break;
3973                 }
3974                 fflush(out);
3975
3976                 if (ctx->count < index)
3977                         break;
3978
3979                 ctx->count -= index;
3980                 ctx->data += index;
3981                 ctx->hw_offset += 4 * index;
3982         }
3983
3984         free(temp);
3985 }