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
  42 /* Struct for tracking drm_intel_decode state. */
  43 struct drm_intel_decode {
  44         /** stdio file where the output should land.  Defaults to stdout. */
  45         FILE *out;
  46
  47         /** PCI device ID. */
  48         uint32_t devid;
  49
  50         /**
  51          * Shorthand device identifier: 3 is 915, 4 is 965, 5 is
  52          * Ironlake, etc.
  53          */
  54         int gen;
  55
  56         /** GPU address of the start of the current packet. */
  57         uint32_t hw_offset;
  58         /** CPU virtual address of the start of the current packet. */
  59         uint32_t *data;
  60         /** DWORDs of remaining batchbuffer data starting from the packet. */
  61         uint32_t count;
  62
  63         /** GPU address of the start of the batchbuffer data. */
  64         uint32_t base_hw_offset;
  65         /** CPU Virtual address of the start of the batchbuffer data. */
  66         uint32_t *base_data;
  67         /** Number of DWORDs of batchbuffer data. */
  68         uint32_t base_count;
  69
  70         /** @{
  71          * GPU head and tail pointers, which will be noted in the dump, or ~0.
  72          */
  73         uint32_t head, tail;
  74         /** @} */
  75
  76         /**
  77          * Whether to dump the dwords after MI_BATCHBUFFER_END.
  78          *
  79          * This sometimes provides clues in corrupted batchbuffers,
  80          * and is used by the intel-gpu-tools.
  81          */
  82         bool dump_past_end;
  83
  84         bool overflowed;
  85 };
  86
  87 static FILE *out;
  88 static uint32_t saved_s2 = 0, saved_s4 = 0;
  89 static char saved_s2_set = 0, saved_s4_set = 0;
  90 static uint32_t head_offset = 0xffffffff;       /* undefined */
  91 static uint32_t tail_offset = 0xffffffff;       /* undefined */
  92
  93 #ifndef ARRAY_SIZE
  94 #define ARRAY_SIZE(A) (sizeof(A)/sizeof(A[0]))
  95 #endif
  96
  97 #define BUFFER_FAIL(_count, _len, _name) do {                   \
  98     fprintf(out, "Buffer size too small in %s (%d < %d)\n",     \
  99             (_name), (_count), (_len));                         \
 100     return _count;                                              \
 101 } while (0)
 102
 103 static float int_as_float(uint32_t intval)
 104 {
 105         union intfloat {
 106                 uint32_t i;
 107                 float f;
 108         } uval;
 109
 110         uval.i = intval;
 111         return uval.f;
 112 }
 113
 114 static void DRM_PRINTFLIKE(3, 4)
 115 instr_out(struct drm_intel_decode *ctx, unsigned int index,
 116           const char *fmt, ...)
 117 {
 118         va_list va;
 119         const char *parseinfo;
 120         uint32_t offset = ctx->hw_offset + index * 4;
 121
 122         if (index > ctx->count) {
 123                 if (!ctx->overflowed) {
 124                         fprintf(out, "ERROR: Decode attempted to continue beyond end of batchbuffer\n");
 125                         ctx->overflowed = true;
 126                 }
 127                 return;
 128         }
 129
 130         if (offset == head_offset)
 131                 parseinfo = "HEAD";
 132         else if (offset == tail_offset)
 133                 parseinfo = "TAIL";
 134         else
 135                 parseinfo = "    ";
 136
 137         fprintf(out, "0x%08x: %s 0x%08x: %s", offset, parseinfo,
 138                 ctx->data[index], index == 0 ? "" : "   ");
 139         va_start(va, fmt);
 140         vfprintf(out, fmt, va);
 141         va_end(va);
 142 }
 143
 144 static int
 145 decode_MI_SET_CONTEXT(struct drm_intel_decode *ctx)
 146 {
 147         uint32_t data = ctx->data[1];
 148         if (ctx->gen > 7)
 149                 return 1;
 150
 151         instr_out(ctx, 0, "MI_SET_CONTEXT\n");
 152         instr_out(ctx, 1, "gtt offset = 0x%x%s%s\n",
 153                   data & ~0xfff,
 154                   data & (1<<1)? ", Force Restore": "",
 155                   data & (1<<0)? ", Restore Inhibit": "");
 156
 157         return 2;
 158 }
 159
 160 static int
 161 decode_MI_WAIT_FOR_EVENT(struct drm_intel_decode *ctx)
 162 {
 163         const char *cc_wait;
 164         int cc_shift = 0;
 165         uint32_t data = ctx->data[0];
 166
 167         if (ctx->gen <= 5)
 168                 cc_shift = 9;
 169         else
 170                 cc_shift = 16;
 171
 172         switch ((data >> cc_shift) & 0x1f) {
 173         case 1:
 174                 cc_wait = ", cc wait 1";
 175                 break;
 176         case 2:
 177                 cc_wait = ", cc wait 2";
 178                 break;
 179         case 3:
 180                 cc_wait = ", cc wait 3";
 181                 break;
 182         case 4:
 183                 cc_wait = ", cc wait 4";
 184                 break;
 185         case 5:
 186                 cc_wait = ", cc wait 4";
 187                 break;
 188         default:
 189                 cc_wait = "";
 190                 break;
 191         }
 192
 193         if (ctx->gen <= 5) {
 194                 instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
 195                           data & (1<<18)? ", pipe B start vblank wait": "",
 196                           data & (1<<17)? ", pipe A start vblank wait": "",
 197                           data & (1<<16)? ", overlay flip pending wait": "",
 198                           data & (1<<14)? ", pipe B hblank wait": "",
 199                           data & (1<<13)? ", pipe A hblank wait": "",
 200                           cc_wait,
 201                           data & (1<<8)? ", plane C pending flip wait": "",
 202                           data & (1<<7)? ", pipe B vblank wait": "",
 203                           data & (1<<6)? ", plane B pending flip wait": "",
 204                           data & (1<<5)? ", pipe B scan line wait": "",
 205                           data & (1<<4)? ", fbc idle wait": "",
 206                           data & (1<<3)? ", pipe A vblank wait": "",
 207                           data & (1<<2)? ", plane A pending flip wait": "",
 208                           data & (1<<1)? ", plane A scan line wait": "");
 209         } else {
 210                 instr_out(ctx, 0, "MI_WAIT_FOR_EVENT%s%s%s%s%s%s%s%s%s%s%s%s\n",
 211                           data & (1<<20)? ", sprite C pending flip wait": "", /* ivb */
 212                           cc_wait,
 213                           data & (1<<13)? ", pipe B hblank wait": "",
 214                           data & (1<<11)? ", pipe B vblank wait": "",
 215                           data & (1<<10)? ", sprite B pending flip wait": "",
 216                           data & (1<<9)? ", plane B pending flip wait": "",
 217                           data & (1<<8)? ", plane B scan line wait": "",
 218                           data & (1<<5)? ", pipe A hblank wait": "",
 219                           data & (1<<3)? ", pipe A vblank wait": "",
 220                           data & (1<<2)? ", sprite A pending flip wait": "",
 221                           data & (1<<1)? ", plane A pending flip wait": "",
 222                           data & (1<<0)? ", plane A scan line wait": "");
 223         }
 224
 225         return 1;
 226 }
 227
 228 static int
 229 decode_mi(struct drm_intel_decode *ctx)
 230 {
 231         unsigned int opcode, len = -1;
 232         const char *post_sync_op = "";
 233         uint32_t *data = ctx->data;
 234
 235         struct {
 236                 uint32_t opcode;
 237                 int len_mask;
 238                 unsigned int min_len;
 239                 unsigned int max_len;
 240                 const char *name;
 241                 int (*func)(struct drm_intel_decode *ctx);
 242         } opcodes_mi[] = {
 243                 { 0x08, 0, 1, 1, "MI_ARB_ON_OFF" },
 244                 { 0x0a, 0, 1, 1, "MI_BATCH_BUFFER_END" },
 245                 { 0x30, 0x3f, 3, 3, "MI_BATCH_BUFFER" },
 246                 { 0x31, 0x3f, 2, 2, "MI_BATCH_BUFFER_START" },
 247                 { 0x14, 0x3f, 3, 3, "MI_DISPLAY_BUFFER_INFO" },
 248                 { 0x04, 0, 1, 1, "MI_FLUSH" },
 249                 { 0x22, 0x1f, 3, 3, "MI_LOAD_REGISTER_IMM" },
 250                 { 0x13, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_EXCL" },
 251                 { 0x12, 0x3f, 2, 2, "MI_LOAD_SCAN_LINES_INCL" },
 252                 { 0x00, 0, 1, 1, "MI_NOOP" },
 253                 { 0x11, 0x3f, 2, 2, "MI_OVERLAY_FLIP" },
 254                 { 0x07, 0, 1, 1, "MI_REPORT_HEAD" },
 255                 { 0x18, 0x3f, 2, 2, "MI_SET_CONTEXT", decode_MI_SET_CONTEXT },
 256                 { 0x20, 0x3f, 3, 4, "MI_STORE_DATA_IMM" },
 257                 { 0x21, 0x3f, 3, 4, "MI_STORE_DATA_INDEX" },
 258                 { 0x24, 0x3f, 3, 3, "MI_STORE_REGISTER_MEM" },
 259                 { 0x02, 0, 1, 1, "MI_USER_INTERRUPT" },
 260                 { 0x03, 0, 1, 1, "MI_WAIT_FOR_EVENT", decode_MI_WAIT_FOR_EVENT },
 261                 { 0x16, 0x7f, 3, 3, "MI_SEMAPHORE_MBOX" },
 262                 { 0x26, 0x1f, 3, 4, "MI_FLUSH_DW" },
 263                 { 0x28, 0x3f, 3, 3, "MI_REPORT_PERF_COUNT" },
 264                 { 0x29, 0xff, 3, 3, "MI_LOAD_REGISTER_MEM" },
 265                 { 0x0b, 0, 1, 1, "MI_SUSPEND_FLUSH"},
 266         }, *opcode_mi = NULL;
 267
 268         /* check instruction length */
 269         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 270              opcode++) {
 271                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 272                         len = 1;
 273                         if (opcodes_mi[opcode].max_len > 1) {
 274                                 len =
 275                                     (data[0] & opcodes_mi[opcode].len_mask) + 2;
 276                                 if (len < opcodes_mi[opcode].min_len
 277                                     || len > opcodes_mi[opcode].max_len) {
 278                                         fprintf(out,
 279                                                 "Bad length (%d) in %s, [%d, %d]\n",
 280                                                 len, opcodes_mi[opcode].name,
 281                                                 opcodes_mi[opcode].min_len,
 282                                                 opcodes_mi[opcode].max_len);
 283                                 }
 284                         }
 285                         opcode_mi = &opcodes_mi[opcode];
 286                         break;
 287                 }
 288         }
 289
 290         if (opcode_mi && opcode_mi->func)
 291                 return opcode_mi->func(ctx);
 292
 293         switch ((data[0] & 0x1f800000) >> 23) {
 294         case 0x0a:
 295                 instr_out(ctx, 0, "MI_BATCH_BUFFER_END\n");
 296                 return -1;
 297         case 0x16:
 298                 instr_out(ctx, 0, "MI_SEMAPHORE_MBOX%s%s%s%s %u\n",
 299                           data[0] & (1 << 22) ? " global gtt," : "",
 300                           data[0] & (1 << 21) ? " update semaphore," : "",
 301                           data[0] & (1 << 20) ? " compare semaphore," : "",
 302                           data[0] & (1 << 18) ? " use compare reg" : "",
 303                           (data[0] & (0x3 << 16)) >> 16);
 304                 instr_out(ctx, 1, "value\n");
 305                 instr_out(ctx, 2, "address\n");
 306                 return len;
 307         case 0x21:
 308                 instr_out(ctx, 0, "MI_STORE_DATA_INDEX%s\n",
 309                           data[0] & (1 << 21) ? " use per-process HWS," : "");
 310                 instr_out(ctx, 1, "index\n");
 311                 instr_out(ctx, 2, "dword\n");
 312                 if (len == 4)
 313                         instr_out(ctx, 3, "upper dword\n");
 314                 return len;
 315         case 0x00:
 316                 if (data[0] & (1 << 22))
 317                         instr_out(ctx, 0,
 318                                   "MI_NOOP write NOPID reg, val=0x%x\n",
 319                                   data[0] & ((1 << 22) - 1));
 320                 else
 321                         instr_out(ctx, 0, "MI_NOOP\n");
 322                 return len;
 323         case 0x26:
 324                 switch (data[0] & (0x3 << 14)) {
 325                 case (0 << 14):
 326                         post_sync_op = "no write";
 327                         break;
 328                 case (1 << 14):
 329                         post_sync_op = "write data";
 330                         break;
 331                 case (2 << 14):
 332                         post_sync_op = "reserved";
 333                         break;
 334                 case (3 << 14):
 335                         post_sync_op = "write TIMESTAMP";
 336                         break;
 337                 }
 338                 instr_out(ctx, 0,
 339                           "MI_FLUSH_DW%s%s%s%s post_sync_op='%s' %s%s\n",
 340                           data[0] & (1 << 22) ?
 341                           " enable protected mem (BCS-only)," : "",
 342                           data[0] & (1 << 21) ? " store in hws," : "",
 343                           data[0] & (1 << 18) ? " invalidate tlb," : "",
 344                           data[0] & (1 << 17) ? " flush gfdt," : "",
 345                           post_sync_op,
 346                           data[0] & (1 << 8) ? " enable notify interrupt," : "",
 347                           data[0] & (1 << 7) ?
 348                           " invalidate video state (BCS-only)," : "");
 349                 if (data[0] & (1 << 21))
 350                         instr_out(ctx, 1, "hws index\n");
 351                 else
 352                         instr_out(ctx, 1, "address\n");
 353                 instr_out(ctx, 2, "dword\n");
 354                 if (len == 4)
 355                         instr_out(ctx, 3, "upper dword\n");
 356                 return len;
 357         }
 358
 359         for (opcode = 0; opcode < sizeof(opcodes_mi) / sizeof(opcodes_mi[0]);
 360              opcode++) {
 361                 if ((data[0] & 0x1f800000) >> 23 == opcodes_mi[opcode].opcode) {
 362                         unsigned int i;
 363
 364                         instr_out(ctx, 0, "%s\n",
 365                                   opcodes_mi[opcode].name);
 366                         for (i = 1; i < len; i++) {
 367                                 instr_out(ctx, i, "dword %d\n", i);
 368                         }
 369
 370                         return len;
 371                 }
 372         }
 373
 374         instr_out(ctx, 0, "MI UNKNOWN\n");
 375         return 1;
 376 }
 377
 378 static void
 379 decode_2d_br00(struct drm_intel_decode *ctx, const char *cmd)
 380 {
 381         instr_out(ctx, 0,
 382                   "%s (rgb %sabled, alpha %sabled, src tile %d, dst tile %d)\n",
 383                   cmd,
 384                   (ctx->data[0] & (1 << 20)) ? "en" : "dis",
 385                   (ctx->data[0] & (1 << 21)) ? "en" : "dis",
 386                   (ctx->data[0] >> 15) & 1,
 387                   (ctx->data[0] >> 11) & 1);
 388 }
 389
 390 static void
 391 decode_2d_br01(struct drm_intel_decode *ctx)
 392 {
 393         const char *format;
 394         switch ((ctx->data[1] >> 24) & 0x3) {
 395         case 0:
 396                 format = "8";
 397                 break;
 398         case 1:
 399                 format = "565";
 400                 break;
 401         case 2:
 402                 format = "1555";
 403                 break;
 404         case 3:
 405                 format = "8888";
 406                 break;
 407         }
 408
 409         instr_out(ctx, 1,
 410                   "format %s, pitch %d, rop 0x%02x, "
 411                   "clipping %sabled, %s%s \n",
 412                   format,
 413                   (short)(ctx->data[1] & 0xffff),
 414                   (ctx->data[1] >> 16) & 0xff,
 415                   ctx->data[1] & (1 << 30) ? "en" : "dis",
 416                   ctx->data[1] & (1 << 31) ? "solid pattern enabled, " : "",
 417                   ctx->data[1] & (1 << 31) ?
 418                   "mono pattern transparency enabled, " : "");
 419
 420 }
 421
 422 static int
 423 decode_2d(struct drm_intel_decode *ctx)
 424 {
 425         unsigned int opcode, len;
 426         uint32_t *data = ctx->data;
 427
 428         struct {
 429                 uint32_t opcode;
 430                 unsigned int min_len;
 431                 unsigned int max_len;
 432                 const char *name;
 433         } opcodes_2d[] = {
 434                 { 0x40, 5, 5, "COLOR_BLT" },
 435                 { 0x43, 6, 6, "SRC_COPY_BLT" },
 436                 { 0x01, 8, 8, "XY_SETUP_BLT" },
 437                 { 0x11, 9, 9, "XY_SETUP_MONO_PATTERN_SL_BLT" },
 438                 { 0x03, 3, 3, "XY_SETUP_CLIP_BLT" },
 439                 { 0x24, 2, 2, "XY_PIXEL_BLT" },
 440                 { 0x25, 3, 3, "XY_SCANLINES_BLT" },
 441                 { 0x26, 4, 4, "Y_TEXT_BLT" },
 442                 { 0x31, 5, 134, "XY_TEXT_IMMEDIATE_BLT" },
 443                 { 0x50, 6, 6, "XY_COLOR_BLT" },
 444                 { 0x51, 6, 6, "XY_PAT_BLT" },
 445                 { 0x76, 8, 8, "XY_PAT_CHROMA_BLT" },
 446                 { 0x72, 7, 135, "XY_PAT_BLT_IMMEDIATE" },
 447                 { 0x77, 9, 137, "XY_PAT_CHROMA_BLT_IMMEDIATE" },
 448                 { 0x52, 9, 9, "XY_MONO_PAT_BLT" },
 449                 { 0x59, 7, 7, "XY_MONO_PAT_FIXED_BLT" },
 450                 { 0x53, 8, 8, "XY_SRC_COPY_BLT" },
 451                 { 0x54, 8, 8, "XY_MONO_SRC_COPY_BLT" },
 452                 { 0x71, 9, 137, "XY_MONO_SRC_COPY_IMMEDIATE_BLT" },
 453                 { 0x55, 9, 9, "XY_FULL_BLT" },
 454                 { 0x55, 9, 137, "XY_FULL_IMMEDIATE_PATTERN_BLT" },
 455                 { 0x56, 9, 9, "XY_FULL_MONO_SRC_BLT" },
 456                 { 0x75, 10, 138, "XY_FULL_MONO_SRC_IMMEDIATE_PATTERN_BLT" },
 457                 { 0x57, 12, 12, "XY_FULL_MONO_PATTERN_BLT" },
 458                 { 0x58, 12, 12, "XY_FULL_MONO_PATTERN_MONO_SRC_BLT"},
 459         };
 460
 461         switch ((data[0] & 0x1fc00000) >> 22) {
 462         case 0x25:
 463                 instr_out(ctx, 0,
 464                           "XY_SCANLINES_BLT (pattern seed (%d, %d), dst tile %d)\n",
 465                           (data[0] >> 12) & 0x8,
 466                           (data[0] >> 8) & 0x8, (data[0] >> 11) & 1);
 467
 468                 len = (data[0] & 0x000000ff) + 2;
 469                 if (len != 3)
 470                         fprintf(out, "Bad count in XY_SCANLINES_BLT\n");
 471
 472                 instr_out(ctx, 1, "dest (%d,%d)\n",
 473                           data[1] & 0xffff, data[1] >> 16);
 474                 instr_out(ctx, 2, "dest (%d,%d)\n",
 475                           data[2] & 0xffff, data[2] >> 16);
 476                 return len;
 477         case 0x01:
 478                 decode_2d_br00(ctx, "XY_SETUP_BLT");
 479
 480                 len = (data[0] & 0x000000ff) + 2;
 481                 if (len != 8)
 482                         fprintf(out, "Bad count in XY_SETUP_BLT\n");
 483
 484                 decode_2d_br01(ctx);
 485                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 486                           data[2] & 0xffff, data[2] >> 16);
 487                 instr_out(ctx, 3, "cliprect (%d,%d)\n",
 488                           data[3] & 0xffff, data[3] >> 16);
 489                 instr_out(ctx, 4, "setup dst offset 0x%08x\n",
 490                           data[4]);
 491                 instr_out(ctx, 5, "setup background color\n");
 492                 instr_out(ctx, 6, "setup foreground color\n");
 493                 instr_out(ctx, 7, "color pattern offset\n");
 494                 return len;
 495         case 0x03:
 496                 decode_2d_br00(ctx, "XY_SETUP_CLIP_BLT");
 497
 498                 len = (data[0] & 0x000000ff) + 2;
 499                 if (len != 3)
 500                         fprintf(out, "Bad count in XY_SETUP_CLIP_BLT\n");
 501
 502                 instr_out(ctx, 1, "cliprect (%d,%d)\n",
 503                           data[1] & 0xffff, data[2] >> 16);
 504                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 505                           data[2] & 0xffff, data[3] >> 16);
 506                 return len;
 507         case 0x11:
 508                 decode_2d_br00(ctx, "XY_SETUP_MONO_PATTERN_SL_BLT");
 509
 510                 len = (data[0] & 0x000000ff) + 2;
 511                 if (len != 9)
 512                         fprintf(out,
 513                                 "Bad count in XY_SETUP_MONO_PATTERN_SL_BLT\n");
 514
 515                 decode_2d_br01(ctx);
 516                 instr_out(ctx, 2, "cliprect (%d,%d)\n",
 517                           data[2] & 0xffff, data[2] >> 16);
 518                 instr_out(ctx, 3, "cliprect (%d,%d)\n",
 519                           data[3] & 0xffff, data[3] >> 16);
 520                 instr_out(ctx, 4, "setup dst offset 0x%08x\n",
 521                           data[4]);
 522                 instr_out(ctx, 5, "setup background color\n");
 523                 instr_out(ctx, 6, "setup foreground color\n");
 524                 instr_out(ctx, 7, "mono pattern dw0\n");
 525                 instr_out(ctx, 8, "mono pattern dw1\n");
 526                 return len;
 527         case 0x50:
 528                 decode_2d_br00(ctx, "XY_COLOR_BLT");
 529
 530                 len = (data[0] & 0x000000ff) + 2;
 531                 if (len != 6)
 532                         fprintf(out, "Bad count in XY_COLOR_BLT\n");
 533
 534                 decode_2d_br01(ctx);
 535                 instr_out(ctx, 2, "(%d,%d)\n",
 536                           data[2] & 0xffff, data[2] >> 16);
 537                 instr_out(ctx, 3, "(%d,%d)\n",
 538                           data[3] & 0xffff, data[3] >> 16);
 539                 instr_out(ctx, 4, "offset 0x%08x\n", data[4]);
 540                 instr_out(ctx, 5, "color\n");
 541                 return len;
 542         case 0x53:
 543                 decode_2d_br00(ctx, "XY_SRC_COPY_BLT");
 544
 545                 len = (data[0] & 0x000000ff) + 2;
 546                 if (len != 8)
 547                         fprintf(out, "Bad count in XY_SRC_COPY_BLT\n");
 548
 549                 decode_2d_br01(ctx);
 550                 instr_out(ctx, 2, "dst (%d,%d)\n",
 551                           data[2] & 0xffff, data[2] >> 16);
 552                 instr_out(ctx, 3, "dst (%d,%d)\n",
 553                           data[3] & 0xffff, data[3] >> 16);
 554                 instr_out(ctx, 4, "dst offset 0x%08x\n", data[4]);
 555                 instr_out(ctx, 5, "src (%d,%d)\n",
 556                           data[5] & 0xffff, data[5] >> 16);
 557                 instr_out(ctx, 6, "src pitch %d\n",
 558                           (short)(data[6] & 0xffff));
 559                 instr_out(ctx, 7, "src offset 0x%08x\n", data[7]);
 560                 return len;
 561         }
 562
 563         for (opcode = 0; opcode < sizeof(opcodes_2d) / sizeof(opcodes_2d[0]);
 564              opcode++) {
 565                 if ((data[0] & 0x1fc00000) >> 22 == opcodes_2d[opcode].opcode) {
 566                         unsigned int i;
 567
 568                         len = 1;
 569                         instr_out(ctx, 0, "%s\n",
 570                                   opcodes_2d[opcode].name);
 571                         if (opcodes_2d[opcode].max_len > 1) {
 572                                 len = (data[0] & 0x000000ff) + 2;
 573                                 if (len < opcodes_2d[opcode].min_len ||
 574                                     len > opcodes_2d[opcode].max_len) {
 575                                         fprintf(out, "Bad count in %s\n",
 576                                                 opcodes_2d[opcode].name);
 577                                 }
 578                         }
 579
 580                         for (i = 1; i < len; i++) {
 581                                 instr_out(ctx, i, "dword %d\n", i);
 582                         }
 583
 584                         return len;
 585                 }
 586         }
 587
 588         instr_out(ctx, 0, "2D UNKNOWN\n");
 589         return 1;
 590 }
 591
 592 static int
 593 decode_3d_1c(struct drm_intel_decode *ctx)
 594 {
 595         uint32_t *data = ctx->data;
 596         uint32_t opcode;
 597
 598         opcode = (data[0] & 0x00f80000) >> 19;
 599
 600         switch (opcode) {
 601         case 0x11:
 602                 instr_out(ctx, 0,
 603                           "3DSTATE_DEPTH_SUBRECTANGLE_DISABLE\n");
 604                 return 1;
 605         case 0x10:
 606                 instr_out(ctx, 0, "3DSTATE_SCISSOR_ENABLE %s\n",
 607                           data[0] & 1 ? "enabled" : "disabled");
 608                 return 1;
 609         case 0x01:
 610                 instr_out(ctx, 0, "3DSTATE_MAP_COORD_SET_I830\n");
 611                 return 1;
 612         case 0x0a:
 613                 instr_out(ctx, 0, "3DSTATE_MAP_CUBE_I830\n");
 614                 return 1;
 615         case 0x05:
 616                 instr_out(ctx, 0, "3DSTATE_MAP_TEX_STREAM_I830\n");
 617                 return 1;
 618         }
 619
 620         instr_out(ctx, 0, "3D UNKNOWN: 3d_1c opcode = 0x%x\n",
 621                   opcode);
 622         return 1;
 623 }
 624
 625 /** Sets the string dstname to describe the destination of the PS instruction */
 626 static void
 627 i915_get_instruction_dst(uint32_t *data, int i, char *dstname, int do_mask)
 628 {
 629         uint32_t a0 = data[i];
 630         int dst_nr = (a0 >> 14) & 0xf;
 631         char dstmask[8];
 632         const char *sat;
 633
 634         if (do_mask) {
 635                 if (((a0 >> 10) & 0xf) == 0xf) {
 636                         dstmask[0] = 0;
 637                 } else {
 638                         int dstmask_index = 0;
 639
 640                         dstmask[dstmask_index++] = '.';
 641                         if (a0 & (1 << 10))
 642                                 dstmask[dstmask_index++] = 'x';
 643                         if (a0 & (1 << 11))
 644                                 dstmask[dstmask_index++] = 'y';
 645                         if (a0 & (1 << 12))
 646                                 dstmask[dstmask_index++] = 'z';
 647                         if (a0 & (1 << 13))
 648                                 dstmask[dstmask_index++] = 'w';
 649                         dstmask[dstmask_index++] = 0;
 650                 }
 651
 652                 if (a0 & (1 << 22))
 653                         sat = ".sat";
 654                 else
 655                         sat = "";
 656         } else {
 657                 dstmask[0] = 0;
 658                 sat = "";
 659         }
 660
 661         switch ((a0 >> 19) & 0x7) {
 662         case 0:
 663                 if (dst_nr > 15)
 664                         fprintf(out, "bad destination reg R%d\n", dst_nr);
 665                 sprintf(dstname, "R%d%s%s", dst_nr, dstmask, sat);
 666                 break;
 667         case 4:
 668                 if (dst_nr > 0)
 669                         fprintf(out, "bad destination reg oC%d\n", dst_nr);
 670                 sprintf(dstname, "oC%s%s", dstmask, sat);
 671                 break;
 672         case 5:
 673                 if (dst_nr > 0)
 674                         fprintf(out, "bad destination reg oD%d\n", dst_nr);
 675                 sprintf(dstname, "oD%s%s", dstmask, sat);
 676                 break;
 677         case 6:
 678                 if (dst_nr > 3)
 679                         fprintf(out, "bad destination reg U%d\n", dst_nr);
 680                 sprintf(dstname, "U%d%s%s", dst_nr, dstmask, sat);
 681                 break;
 682         default:
 683                 sprintf(dstname, "RESERVED");
 684                 break;
 685         }
 686 }
 687
 688 static const char *
 689 i915_get_channel_swizzle(uint32_t select)
 690 {
 691         switch (select & 0x7) {
 692         case 0:
 693                 return (select & 8) ? "-x" : "x";
 694         case 1:
 695                 return (select & 8) ? "-y" : "y";
 696         case 2:
 697                 return (select & 8) ? "-z" : "z";
 698         case 3:
 699                 return (select & 8) ? "-w" : "w";
 700         case 4:
 701                 return (select & 8) ? "-0" : "0";
 702         case 5:
 703                 return (select & 8) ? "-1" : "1";
 704         default:
 705                 return (select & 8) ? "-bad" : "bad";
 706         }
 707 }
 708
 709 static void
 710 i915_get_instruction_src_name(uint32_t src_type, uint32_t src_nr, char *name)
 711 {
 712         switch (src_type) {
 713         case 0:
 714                 sprintf(name, "R%d", src_nr);
 715                 if (src_nr > 15)
 716                         fprintf(out, "bad src reg %s\n", name);
 717                 break;
 718         case 1:
 719                 if (src_nr < 8)
 720                         sprintf(name, "T%d", src_nr);
 721                 else if (src_nr == 8)
 722                         sprintf(name, "DIFFUSE");
 723                 else if (src_nr == 9)
 724                         sprintf(name, "SPECULAR");
 725                 else if (src_nr == 10)
 726                         sprintf(name, "FOG");
 727                 else {
 728                         fprintf(out, "bad src reg T%d\n", src_nr);
 729                         sprintf(name, "RESERVED");
 730                 }
 731                 break;
 732         case 2:
 733                 sprintf(name, "C%d", src_nr);
 734                 if (src_nr > 31)
 735                         fprintf(out, "bad src reg %s\n", name);
 736                 break;
 737         case 4:
 738                 sprintf(name, "oC");
 739                 if (src_nr > 0)
 740                         fprintf(out, "bad src reg oC%d\n", src_nr);
 741                 break;
 742         case 5:
 743                 sprintf(name, "oD");
 744                 if (src_nr > 0)
 745                         fprintf(out, "bad src reg oD%d\n", src_nr);
 746                 break;
 747         case 6:
 748                 sprintf(name, "U%d", src_nr);
 749                 if (src_nr > 3)
 750                         fprintf(out, "bad src reg %s\n", name);
 751                 break;
 752         default:
 753                 fprintf(out, "bad src reg type %d\n", src_type);
 754                 sprintf(name, "RESERVED");
 755                 break;
 756         }
 757 }
 758
 759 static void i915_get_instruction_src0(uint32_t *data, int i, char *srcname)
 760 {
 761         uint32_t a0 = data[i];
 762         uint32_t a1 = data[i + 1];
 763         int src_nr = (a0 >> 2) & 0x1f;
 764         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 28) & 0xf);
 765         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 24) & 0xf);
 766         const char *swizzle_z = i915_get_channel_swizzle((a1 >> 20) & 0xf);
 767         const char *swizzle_w = i915_get_channel_swizzle((a1 >> 16) & 0xf);
 768         char swizzle[100];
 769
 770         i915_get_instruction_src_name((a0 >> 7) & 0x7, src_nr, srcname);
 771         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 772                 swizzle_w);
 773         if (strcmp(swizzle, ".xyzw") != 0)
 774                 strcat(srcname, swizzle);
 775 }
 776
 777 static void i915_get_instruction_src1(uint32_t *data, int i, char *srcname)
 778 {
 779         uint32_t a1 = data[i + 1];
 780         uint32_t a2 = data[i + 2];
 781         int src_nr = (a1 >> 8) & 0x1f;
 782         const char *swizzle_x = i915_get_channel_swizzle((a1 >> 4) & 0xf);
 783         const char *swizzle_y = i915_get_channel_swizzle((a1 >> 0) & 0xf);
 784         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 28) & 0xf);
 785         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 24) & 0xf);
 786         char swizzle[100];
 787
 788         i915_get_instruction_src_name((a1 >> 13) & 0x7, src_nr, srcname);
 789         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 790                 swizzle_w);
 791         if (strcmp(swizzle, ".xyzw") != 0)
 792                 strcat(srcname, swizzle);
 793 }
 794
 795 static void i915_get_instruction_src2(uint32_t *data, int i, char *srcname)
 796 {
 797         uint32_t a2 = data[i + 2];
 798         int src_nr = (a2 >> 16) & 0x1f;
 799         const char *swizzle_x = i915_get_channel_swizzle((a2 >> 12) & 0xf);
 800         const char *swizzle_y = i915_get_channel_swizzle((a2 >> 8) & 0xf);
 801         const char *swizzle_z = i915_get_channel_swizzle((a2 >> 4) & 0xf);
 802         const char *swizzle_w = i915_get_channel_swizzle((a2 >> 0) & 0xf);
 803         char swizzle[100];
 804
 805         i915_get_instruction_src_name((a2 >> 21) & 0x7, src_nr, srcname);
 806         sprintf(swizzle, ".%s%s%s%s", swizzle_x, swizzle_y, swizzle_z,
 807                 swizzle_w);
 808         if (strcmp(swizzle, ".xyzw") != 0)
 809                 strcat(srcname, swizzle);
 810 }
 811
 812 static void
 813 i915_get_instruction_addr(uint32_t src_type, uint32_t src_nr, char *name)
 814 {
 815         switch (src_type) {
 816         case 0:
 817                 sprintf(name, "R%d", src_nr);
 818                 if (src_nr > 15)
 819                         fprintf(out, "bad src reg %s\n", name);
 820                 break;
 821         case 1:
 822                 if (src_nr < 8)
 823                         sprintf(name, "T%d", src_nr);
 824                 else if (src_nr == 8)
 825                         sprintf(name, "DIFFUSE");
 826                 else if (src_nr == 9)
 827                         sprintf(name, "SPECULAR");
 828                 else if (src_nr == 10)
 829                         sprintf(name, "FOG");
 830                 else {
 831                         fprintf(out, "bad src reg T%d\n", src_nr);
 832                         sprintf(name, "RESERVED");
 833                 }
 834                 break;
 835         case 4:
 836                 sprintf(name, "oC");
 837                 if (src_nr > 0)
 838                         fprintf(out, "bad src reg oC%d\n", src_nr);
 839                 break;
 840         case 5:
 841                 sprintf(name, "oD");
 842                 if (src_nr > 0)
 843                         fprintf(out, "bad src reg oD%d\n", src_nr);
 844                 break;
 845         default:
 846                 fprintf(out, "bad src reg type %d\n", src_type);
 847                 sprintf(name, "RESERVED");
 848                 break;
 849         }
 850 }
 851
 852 static void
 853 i915_decode_alu1(struct drm_intel_decode *ctx,
 854                  int i, char *instr_prefix, const char *op_name)
 855 {
 856         char dst[100], src0[100];
 857
 858         i915_get_instruction_dst(ctx->data, i, dst, 1);
 859         i915_get_instruction_src0(ctx->data, i, src0);
 860
 861         instr_out(ctx, i++, "%s: %s %s, %s\n", instr_prefix,
 862                   op_name, dst, src0);
 863         instr_out(ctx, i++, "%s\n", instr_prefix);
 864         instr_out(ctx, i++, "%s\n", instr_prefix);
 865 }
 866
 867 static void
 868 i915_decode_alu2(struct drm_intel_decode *ctx,
 869                  int i, char *instr_prefix, const char *op_name)
 870 {
 871         char dst[100], src0[100], src1[100];
 872
 873         i915_get_instruction_dst(ctx->data, i, dst, 1);
 874         i915_get_instruction_src0(ctx->data, i, src0);
 875         i915_get_instruction_src1(ctx->data, i, src1);
 876
 877         instr_out(ctx, i++, "%s: %s %s, %s, %s\n", instr_prefix,
 878                   op_name, dst, src0, src1);
 879         instr_out(ctx, i++, "%s\n", instr_prefix);
 880         instr_out(ctx, i++, "%s\n", instr_prefix);
 881 }
 882
 883 static void
 884 i915_decode_alu3(struct drm_intel_decode *ctx,
 885                  int i, char *instr_prefix, const char *op_name)
 886 {
 887         char dst[100], src0[100], src1[100], src2[100];
 888
 889         i915_get_instruction_dst(ctx->data, i, dst, 1);
 890         i915_get_instruction_src0(ctx->data, i, src0);
 891         i915_get_instruction_src1(ctx->data, i, src1);
 892         i915_get_instruction_src2(ctx->data, i, src2);
 893
 894         instr_out(ctx, i++, "%s: %s %s, %s, %s, %s\n", instr_prefix,
 895                   op_name, dst, src0, src1, src2);
 896         instr_out(ctx, i++, "%s\n", instr_prefix);
 897         instr_out(ctx, i++, "%s\n", instr_prefix);
 898 }
 899
 900 static void
 901 i915_decode_tex(struct drm_intel_decode *ctx, int i,
 902                 const char *instr_prefix, const char *tex_name)
 903 {
 904         uint32_t t0 = ctx->data[i];
 905         uint32_t t1 = ctx->data[i + 1];
 906         char dst_name[100];
 907         char addr_name[100];
 908         int sampler_nr;
 909
 910         i915_get_instruction_dst(ctx->data, i, dst_name, 0);
 911         i915_get_instruction_addr((t1 >> 24) & 0x7,
 912                                   (t1 >> 17) & 0xf, addr_name);
 913         sampler_nr = t0 & 0xf;
 914
 915         instr_out(ctx, i++, "%s: %s %s, S%d, %s\n", instr_prefix,
 916                   tex_name, dst_name, sampler_nr, addr_name);
 917         instr_out(ctx, i++, "%s\n", instr_prefix);
 918         instr_out(ctx, i++, "%s\n", instr_prefix);
 919 }
 920
 921 static void
 922 i915_decode_dcl(struct drm_intel_decode *ctx, int i, char *instr_prefix)
 923 {
 924         uint32_t d0 = ctx->data[i];
 925         const char *sampletype;
 926         int dcl_nr = (d0 >> 14) & 0xf;
 927         const char *dcl_x = d0 & (1 << 10) ? "x" : "";
 928         const char *dcl_y = d0 & (1 << 11) ? "y" : "";
 929         const char *dcl_z = d0 & (1 << 12) ? "z" : "";
 930         const char *dcl_w = d0 & (1 << 13) ? "w" : "";
 931         char dcl_mask[10];
 932
 933         switch ((d0 >> 19) & 0x3) {
 934         case 1:
 935                 sprintf(dcl_mask, ".%s%s%s%s", dcl_x, dcl_y, dcl_z, dcl_w);
 936                 if (strcmp(dcl_mask, ".") == 0)
 937                         fprintf(out, "bad (empty) dcl mask\n");
 938
 939                 if (dcl_nr > 10)
 940                         fprintf(out, "bad T%d dcl register number\n", dcl_nr);
 941                 if (dcl_nr < 8) {
 942                         if (strcmp(dcl_mask, ".x") != 0 &&
 943                             strcmp(dcl_mask, ".xy") != 0 &&
 944                             strcmp(dcl_mask, ".xz") != 0 &&
 945                             strcmp(dcl_mask, ".w") != 0 &&
 946                             strcmp(dcl_mask, ".xyzw") != 0) {
 947                                 fprintf(out, "bad T%d.%s dcl mask\n", dcl_nr,
 948                                         dcl_mask);
 949                         }
 950                         instr_out(ctx, i++, "%s: DCL T%d%s\n",
 951                                   instr_prefix, dcl_nr, dcl_mask);
 952                 } else {
 953                         if (strcmp(dcl_mask, ".xz") == 0)
 954                                 fprintf(out, "errataed bad dcl mask %s\n",
 955                                         dcl_mask);
 956                         else if (strcmp(dcl_mask, ".xw") == 0)
 957                                 fprintf(out, "errataed bad dcl mask %s\n",
 958                                         dcl_mask);
 959                         else if (strcmp(dcl_mask, ".xzw") == 0)
 960                                 fprintf(out, "errataed bad dcl mask %s\n",
 961                                         dcl_mask);
 962
 963                         if (dcl_nr == 8) {
 964                                 instr_out(ctx, i++,
 965                                           "%s: DCL DIFFUSE%s\n", instr_prefix,
 966                                           dcl_mask);
 967                         } else if (dcl_nr == 9) {
 968                                 instr_out(ctx, i++,
 969                                           "%s: DCL SPECULAR%s\n", instr_prefix,
 970                                           dcl_mask);
 971                         } else if (dcl_nr == 10) {
 972                                 instr_out(ctx, i++,
 973                                           "%s: DCL FOG%s\n", instr_prefix,
 974                                           dcl_mask);
 975                         }
 976                 }
 977                 instr_out(ctx, i++, "%s\n", instr_prefix);
 978                 instr_out(ctx, i++, "%s\n", instr_prefix);
 979                 break;
 980         case 3:
 981                 switch ((d0 >> 22) & 0x3) {
 982                 case 0:
 983                         sampletype = "2D";
 984                         break;
 985                 case 1:
 986                         sampletype = "CUBE";
 987                         break;
 988                 case 2:
 989                         sampletype = "3D";
 990                         break;
 991                 default:
 992                         sampletype = "RESERVED";
 993                         break;
 994                 }
 995                 if (dcl_nr > 15)
 996                         fprintf(out, "bad S%d dcl register number\n", dcl_nr);
 997                 instr_out(ctx, i++, "%s: DCL S%d %s\n",
 998                           instr_prefix, dcl_nr, sampletype);
 999                 instr_out(ctx, i++, "%s\n", instr_prefix);
1000                 instr_out(ctx, i++, "%s\n", instr_prefix);
1001                 break;
1002         default:
1003                 instr_out(ctx, i++, "%s: DCL RESERVED%d\n",
1004                           instr_prefix, dcl_nr);
1005                 instr_out(ctx, i++, "%s\n", instr_prefix);
1006                 instr_out(ctx, i++, "%s\n", instr_prefix);
1007         }
1008 }
1009
1010 static void
1011 i915_decode_instruction(struct drm_intel_decode *ctx,
1012                         int i, char *instr_prefix)
1013 {
1014         switch ((ctx->data[i] >> 24) & 0x1f) {
1015         case 0x0:
1016                 instr_out(ctx, i++, "%s: NOP\n", instr_prefix);
1017                 instr_out(ctx, i++, "%s\n", instr_prefix);
1018                 instr_out(ctx, i++, "%s\n", instr_prefix);
1019                 break;
1020         case 0x01:
1021                 i915_decode_alu2(ctx, i, instr_prefix, "ADD");
1022                 break;
1023         case 0x02:
1024                 i915_decode_alu1(ctx, i, instr_prefix, "MOV");
1025                 break;
1026         case 0x03:
1027                 i915_decode_alu2(ctx, i, instr_prefix, "MUL");
1028                 break;
1029         case 0x04:
1030                 i915_decode_alu3(ctx, i, instr_prefix, "MAD");
1031                 break;
1032         case 0x05:
1033                 i915_decode_alu3(ctx, i, instr_prefix, "DP2ADD");
1034                 break;
1035         case 0x06:
1036                 i915_decode_alu2(ctx, i, instr_prefix, "DP3");
1037                 break;
1038         case 0x07:
1039                 i915_decode_alu2(ctx, i, instr_prefix, "DP4");
1040                 break;
1041         case 0x08:
1042                 i915_decode_alu1(ctx, i, instr_prefix, "FRC");
1043                 break;
1044         case 0x09:
1045                 i915_decode_alu1(ctx, i, instr_prefix, "RCP");
1046                 break;
1047         case 0x0a:
1048                 i915_decode_alu1(ctx, i, instr_prefix, "RSQ");
1049                 break;
1050         case 0x0b:
1051                 i915_decode_alu1(ctx, i, instr_prefix, "EXP");
1052                 break;
1053         case 0x0c:
1054                 i915_decode_alu1(ctx, i, instr_prefix, "LOG");
1055                 break;
1056         case 0x0d:
1057                 i915_decode_alu2(ctx, i, instr_prefix, "CMP");
1058                 break;
1059         case 0x0e:
1060                 i915_decode_alu2(ctx, i, instr_prefix, "MIN");
1061                 break;
1062         case 0x0f:
1063                 i915_decode_alu2(ctx, i, instr_prefix, "MAX");
1064                 break;
1065         case 0x10:
1066                 i915_decode_alu1(ctx, i, instr_prefix, "FLR");
1067                 break;
1068         case 0x11:
1069                 i915_decode_alu1(ctx, i, instr_prefix, "MOD");
1070                 break;
1071         case 0x12:
1072                 i915_decode_alu1(ctx, i, instr_prefix, "TRC");
1073                 break;
1074         case 0x13:
1075                 i915_decode_alu2(ctx, i, instr_prefix, "SGE");
1076                 break;
1077         case 0x14:
1078                 i915_decode_alu2(ctx, i, instr_prefix, "SLT");
1079                 break;
1080         case 0x15:
1081                 i915_decode_tex(ctx, i, instr_prefix, "TEXLD");
1082                 break;
1083         case 0x16:
1084                 i915_decode_tex(ctx, i, instr_prefix, "TEXLDP");
1085                 break;
1086         case 0x17:
1087                 i915_decode_tex(ctx, i, instr_prefix, "TEXLDB");
1088                 break;
1089         case 0x19:
1090                 i915_decode_dcl(ctx, i, instr_prefix);
1091                 break;
1092         default:
1093                 instr_out(ctx, i++, "%s: unknown\n", instr_prefix);
1094                 instr_out(ctx, i++, "%s\n", instr_prefix);
1095                 instr_out(ctx, i++, "%s\n", instr_prefix);
1096                 break;
1097         }
1098 }
1099
1100 static const char *
1101 decode_compare_func(uint32_t op)
1102 {
1103         switch (op & 0x7) {
1104         case 0:
1105                 return "always";
1106         case 1:
1107                 return "never";
1108         case 2:
1109                 return "less";
1110         case 3:
1111                 return "equal";
1112         case 4:
1113                 return "lequal";
1114         case 5:
1115                 return "greater";
1116         case 6:
1117                 return "notequal";
1118         case 7:
1119                 return "gequal";
1120         }
1121         return "";
1122 }
1123
1124 static const char *
1125 decode_stencil_op(uint32_t op)
1126 {
1127         switch (op & 0x7) {
1128         case 0:
1129                 return "keep";
1130         case 1:
1131                 return "zero";
1132         case 2:
1133                 return "replace";
1134         case 3:
1135                 return "incr_sat";
1136         case 4:
1137                 return "decr_sat";
1138         case 5:
1139                 return "greater";
1140         case 6:
1141                 return "incr";
1142         case 7:
1143                 return "decr";
1144         }
1145         return "";
1146 }
1147
1148 #if 0
1149 static const char *
1150 decode_logic_op(uint32_t op)
1151 {
1152         switch (op & 0xf) {
1153         case 0:
1154                 return "clear";
1155         case 1:
1156                 return "nor";
1157         case 2:
1158                 return "and_inv";
1159         case 3:
1160                 return "copy_inv";
1161         case 4:
1162                 return "and_rvrse";
1163         case 5:
1164                 return "inv";
1165         case 6:
1166                 return "xor";
1167         case 7:
1168                 return "nand";
1169         case 8:
1170                 return "and";
1171         case 9:
1172                 return "equiv";
1173         case 10:
1174                 return "noop";
1175         case 11:
1176                 return "or_inv";
1177         case 12:
1178                 return "copy";
1179         case 13:
1180                 return "or_rvrse";
1181         case 14:
1182                 return "or";
1183         case 15:
1184                 return "set";
1185         }
1186         return "";
1187 }
1188 #endif
1189
1190 static const char *
1191 decode_blend_fact(uint32_t op)
1192 {
1193         switch (op & 0xf) {
1194         case 1:
1195                 return "zero";
1196         case 2:
1197                 return "one";
1198         case 3:
1199                 return "src_colr";
1200         case 4:
1201                 return "inv_src_colr";
1202         case 5:
1203                 return "src_alpha";
1204         case 6:
1205                 return "inv_src_alpha";
1206         case 7:
1207                 return "dst_alpha";
1208         case 8:
1209                 return "inv_dst_alpha";
1210         case 9:
1211                 return "dst_colr";
1212         case 10:
1213                 return "inv_dst_colr";
1214         case 11:
1215                 return "src_alpha_sat";
1216         case 12:
1217                 return "cnst_colr";
1218         case 13:
1219                 return "inv_cnst_colr";
1220         case 14:
1221                 return "cnst_alpha";
1222         case 15:
1223                 return "inv_const_alpha";
1224         }
1225         return "";
1226 }
1227
1228 static const char *
1229 decode_tex_coord_mode(uint32_t mode)
1230 {
1231         switch (mode & 0x7) {
1232         case 0:
1233                 return "wrap";
1234         case 1:
1235                 return "mirror";
1236         case 2:
1237                 return "clamp_edge";
1238         case 3:
1239                 return "cube";
1240         case 4:
1241                 return "clamp_border";
1242         case 5:
1243                 return "mirror_once";
1244         }
1245         return "";
1246 }
1247
1248 static const char *
1249 decode_sample_filter(uint32_t mode)
1250 {
1251         switch (mode & 0x7) {
1252         case 0:
1253                 return "nearest";
1254         case 1:
1255                 return "linear";
1256         case 2:
1257                 return "anisotropic";
1258         case 3:
1259                 return "4x4_1";
1260         case 4:
1261                 return "4x4_2";
1262         case 5:
1263                 return "4x4_flat";
1264         case 6:
1265                 return "6x5_mono";
1266         }
1267         return "";
1268 }
1269
1270 static int
1271 decode_3d_1d(struct drm_intel_decode *ctx)
1272 {
1273         unsigned int len, i, c, idx, word, map, sampler, instr;
1274         const char *format, *zformat, *type;
1275         uint32_t opcode;
1276         uint32_t *data = ctx->data;
1277         uint32_t devid = ctx->devid;
1278
1279         struct {
1280                 uint32_t opcode;
1281                 int i830_only;
1282                 unsigned int min_len;
1283                 unsigned int max_len;
1284                 const char *name;
1285         } opcodes_3d_1d[] = {
1286                 { 0x86, 0, 4, 4, "3DSTATE_CHROMA_KEY" },
1287                 { 0x88, 0, 2, 2, "3DSTATE_CONSTANT_BLEND_COLOR" },
1288                 { 0x99, 0, 2, 2, "3DSTATE_DEFAULT_DIFFUSE" },
1289                 { 0x9a, 0, 2, 2, "3DSTATE_DEFAULT_SPECULAR" },
1290                 { 0x98, 0, 2, 2, "3DSTATE_DEFAULT_Z" },
1291                 { 0x97, 0, 2, 2, "3DSTATE_DEPTH_OFFSET_SCALE" },
1292                 { 0x9d, 0, 65, 65, "3DSTATE_FILTER_COEFFICIENTS_4X4" },
1293                 { 0x9e, 0, 4, 4, "3DSTATE_MONO_FILTER" },
1294                 { 0x89, 0, 4, 4, "3DSTATE_FOG_MODE" },
1295                 { 0x8f, 0, 2, 16, "3DSTATE_MAP_PALLETE_LOAD_32" },
1296                 { 0x83, 0, 2, 2, "3DSTATE_SPAN_STIPPLE" },
1297                 { 0x8c, 1, 2, 2, "3DSTATE_MAP_COORD_TRANSFORM_I830" },
1298                 { 0x8b, 1, 2, 2, "3DSTATE_MAP_VERTEX_TRANSFORM_I830" },
1299                 { 0x8d, 1, 3, 3, "3DSTATE_W_STATE_I830" },
1300                 { 0x01, 1, 2, 2, "3DSTATE_COLOR_FACTOR_I830" },
1301                 { 0x02, 1, 2, 2, "3DSTATE_MAP_COORD_SETBIND_I830"},
1302         }, *opcode_3d_1d;
1303
1304         opcode = (data[0] & 0x00ff0000) >> 16;
1305
1306         switch (opcode) {
1307         case 0x07:
1308                 /* This instruction is unusual.  A 0 length means just
1309                  * 1 DWORD instead of 2.  The 0 length is specified in
1310                  * one place to be unsupported, but stated to be
1311                  * required in another, and 0 length LOAD_INDIRECTs
1312                  * appear to cause no harm at least.
1313                  */
1314                 instr_out(ctx, 0, "3DSTATE_LOAD_INDIRECT\n");
1315                 len = (data[0] & 0x000000ff) + 1;
1316                 i = 1;
1317                 if (data[0] & (0x01 << 8)) {
1318                         instr_out(ctx, i++, "SIS.0\n");
1319                         instr_out(ctx, i++, "SIS.1\n");
1320                 }
1321                 if (data[0] & (0x02 << 8)) {
1322                         instr_out(ctx, i++, "DIS.0\n");
1323                 }
1324                 if (data[0] & (0x04 << 8)) {
1325                         instr_out(ctx, i++, "SSB.0\n");
1326                         instr_out(ctx, i++, "SSB.1\n");
1327                 }
1328                 if (data[0] & (0x08 << 8)) {
1329                         instr_out(ctx, i++, "MSB.0\n");
1330                         instr_out(ctx, i++, "MSB.1\n");
1331                 }
1332                 if (data[0] & (0x10 << 8)) {
1333                         instr_out(ctx, i++, "PSP.0\n");
1334                         instr_out(ctx, i++, "PSP.1\n");
1335                 }
1336                 if (data[0] & (0x20 << 8)) {
1337                         instr_out(ctx, i++, "PSC.0\n");
1338                         instr_out(ctx, i++, "PSC.1\n");
1339                 }
1340                 if (len != i) {
1341                         fprintf(out, "Bad count in 3DSTATE_LOAD_INDIRECT\n");
1342                         return len;
1343                 }
1344                 return len;
1345         case 0x04:
1346                 instr_out(ctx, 0,
1347                           "3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1348                 len = (data[0] & 0x0000000f) + 2;
1349                 i = 1;
1350                 for (word = 0; word <= 8; word++) {
1351                         if (data[0] & (1 << (4 + word))) {
1352                                 /* save vertex state for decode */
1353                                 if (!IS_GEN2(devid)) {
1354                                         int tex_num;
1355
1356                                         if (word == 2) {
1357                                                 saved_s2_set = 1;
1358                                                 saved_s2 = data[i];
1359                                         }
1360                                         if (word == 4) {
1361                                                 saved_s4_set = 1;
1362                                                 saved_s4 = data[i];
1363                                         }
1364
1365                                         switch (word) {
1366                                         case 0:
1367                                                 instr_out(ctx, i,
1368                                                           "S0: vbo offset: 0x%08x%s\n",
1369                                                           data[i] & (~1),
1370                                                           data[i] & 1 ?
1371                                                           ", auto cache invalidate disabled"
1372                                                           : "");
1373                                                 break;
1374                                         case 1:
1375                                                 instr_out(ctx, i,
1376                                                           "S1: vertex width: %i, vertex pitch: %i\n",
1377                                                           (data[i] >> 24) &
1378                                                           0x3f,
1379                                                           (data[i] >> 16) &
1380                                                           0x3f);
1381                                                 break;
1382                                         case 2:
1383                                                 instr_out(ctx, i,
1384                                                           "S2: texcoord formats: ");
1385                                                 for (tex_num = 0;
1386                                                      tex_num < 8; tex_num++) {
1387                                                         switch ((data[i] >>
1388                                                                  tex_num *
1389                                                                  4) & 0xf) {
1390                                                         case 0:
1391                                                                 fprintf(out,
1392                                                                         "%i=2D ",
1393                                                                         tex_num);
1394                                                                 break;
1395                                                         case 1:
1396                                                                 fprintf(out,
1397                                                                         "%i=3D ",
1398                                                                         tex_num);
1399                                                                 break;
1400                                                         case 2:
1401                                                                 fprintf(out,
1402                                                                         "%i=4D ",
1403                                                                         tex_num);
1404                                                                 break;
1405                                                         case 3:
1406                                                                 fprintf(out,
1407                                                                         "%i=1D ",
1408                                                                         tex_num);
1409                                                                 break;
1410                                                         case 4:
1411                                                                 fprintf(out,
1412                                                                         "%i=2D_16 ",
1413                                                                         tex_num);
1414                                                                 break;
1415                                                         case 5:
1416                                                                 fprintf(out,
1417                                                                         "%i=4D_16 ",
1418                                                                         tex_num);
1419                                                                 break;
1420                                                         case 0xf:
1421                                                                 fprintf(out,
1422                                                                         "%i=NP ",
1423                                                                         tex_num);
1424                                                                 break;
1425                                                         }
1426                                                 }
1427                                                 fprintf(out, "\n");
1428
1429                                                 break;
1430                                         case 3:
1431                                                 instr_out(ctx, i,
1432                                                           "S3: not documented\n");
1433                                                 break;
1434                                         case 4:
1435                                                 {
1436                                                         const char *cullmode = "";
1437                                                         const char *vfmt_xyzw = "";
1438                                                         switch ((data[i] >> 13)
1439                                                                 & 0x3) {
1440                                                         case 0:
1441                                                                 cullmode =
1442                                                                     "both";
1443                                                                 break;
1444                                                         case 1:
1445                                                                 cullmode =
1446                                                                     "none";
1447                                                                 break;
1448                                                         case 2:
1449                                                                 cullmode = "cw";
1450                                                                 break;
1451                                                         case 3:
1452                                                                 cullmode =
1453                                                                     "ccw";
1454                                                                 break;
1455                                                         }
1456                                                         switch (data[i] &
1457                                                                 (7 << 6 | 1 <<
1458                                                                  2)) {
1459                                                         case 1 << 6:
1460                                                                 vfmt_xyzw =
1461                                                                     "XYZ,";
1462                                                                 break;
1463                                                         case 2 << 6:
1464                                                                 vfmt_xyzw =
1465                                                                     "XYZW,";
1466                                                                 break;
1467                                                         case 3 << 6:
1468                                                                 vfmt_xyzw =
1469                                                                     "XY,";
1470                                                                 break;
1471                                                         case 4 << 6:
1472                                                                 vfmt_xyzw =
1473                                                                     "XYW,";
1474                                                                 break;
1475                                                         case 1 << 6 | 1 << 2:
1476                                                                 vfmt_xyzw =
1477                                                                     "XYZF,";
1478                                                                 break;
1479                                                         case 2 << 6 | 1 << 2:
1480                                                                 vfmt_xyzw =
1481                                                                     "XYZWF,";
1482                                                                 break;
1483                                                         case 3 << 6 | 1 << 2:
1484                                                                 vfmt_xyzw =
1485                                                                     "XYF,";
1486                                                                 break;
1487                                                         case 4 << 6 | 1 << 2:
1488                                                                 vfmt_xyzw =
1489                                                                     "XYWF,";
1490                                                                 break;
1491                                                         }
1492                                                         instr_out(ctx, i,
1493                                                                   "S4: point_width=%i, line_width=%.1f,"
1494                                                                   "%s%s%s%s%s cullmode=%s, vfmt=%s%s%s%s%s%s "
1495                                                                   "%s%s%s%s%s\n",
1496                                                                   (data[i] >>
1497                                                                    23) & 0x1ff,
1498                                                                   ((data[i] >>
1499                                                                     19) & 0xf) /
1500                                                                   2.0,
1501                                                                   data[i] & (0xf
1502                                                                              <<
1503                                                                              15)
1504                                                                   ?
1505                                                                   " flatshade="
1506                                                                   : "",
1507                                                                   data[i] & (1
1508                                                                              <<
1509                                                                              18)
1510                                                                   ? "Alpha," :
1511                                                                   "",
1512                                                                   data[i] & (1
1513                                                                              <<
1514                                                                              17)
1515                                                                   ? "Fog," : "",
1516                                                                   data[i] & (1
1517                                                                              <<
1518                                                                              16)
1519                                                                   ? "Specular,"
1520                                                                   : "",
1521                                                                   data[i] & (1
1522                                                                              <<
1523                                                                              15)
1524                                                                   ? "Color," :
1525                                                                   "", cullmode,
1526                                                                   data[i] & (1
1527                                                                              <<
1528                                                                              12)
1529                                                                   ?
1530                                                                   "PointWidth,"
1531                                                                   : "",
1532                                                                   data[i] & (1
1533                                                                              <<
1534                                                                              11)
1535                                                                   ? "SpecFog," :
1536                                                                   "",
1537                                                                   data[i] & (1
1538                                                                              <<
1539                                                                              10)
1540                                                                   ? "Color," :
1541                                                                   "",
1542                                                                   data[i] & (1
1543                                                                              <<
1544                                                                              9)
1545                                                                   ? "DepthOfs,"
1546                                                                   : "",
1547                                                                   vfmt_xyzw,
1548                                                                   data[i] & (1
1549                                                                              <<
1550                                                                              9)
1551                                                                   ? "FogParam,"
1552                                                                   : "",
1553                                                                   data[i] & (1
1554                                                                              <<
1555                                                                              5)
1556                                                                   ?
1557                                                                   "force default diffuse, "
1558                                                                   : "",
1559                                                                   data[i] & (1
1560                                                                              <<
1561                                                                              4)
1562                                                                   ?
1563                                                                   "force default specular, "
1564                                                                   : "",
1565                                                                   data[i] & (1
1566                                                                              <<
1567                                                                              3)
1568                                                                   ?
1569                                                                   "local depth ofs enable, "
1570                                                                   : "",
1571                                                                   data[i] & (1
1572                                                                              <<
1573                                                                              1)
1574                                                                   ?
1575                                                                   "point sprite enable, "
1576                                                                   : "",
1577                                                                   data[i] & (1
1578                                                                              <<
1579                                                                              0)
1580                                                                   ?
1581                                                                   "line AA enable, "
1582                                                                   : "");
1583                                                         break;
1584                                                 }
1585                                         case 5:
1586                                                 {
1587                                                         instr_out(ctx, i,
1588                                                                   "S5:%s%s%s%s%s"
1589                                                                   "%s%s%s%s stencil_ref=0x%x, stencil_test=%s, "
1590                                                                   "stencil_fail=%s, stencil_pass_z_fail=%s, "
1591                                                                   "stencil_pass_z_pass=%s, %s%s%s%s\n",
1592                                                                   data[i] & (0xf
1593                                                                              <<
1594                                                                              28)
1595                                                                   ?
1596                                                                   " write_disable="
1597                                                                   : "",
1598                                                                   data[i] & (1
1599                                                                              <<
1600                                                                              31)
1601                                                                   ? "Alpha," :
1602                                                                   "",
1603                                                                   data[i] & (1
1604                                                                              <<
1605                                                                              30)
1606                                                                   ? "Red," : "",
1607                                                                   data[i] & (1
1608                                                                              <<
1609                                                                              29)
1610                                                                   ? "Green," :
1611                                                                   "",
1612                                                                   data[i] & (1
1613                                                                              <<
1614                                                                              28)
1615                                                                   ? "Blue," :
1616                                                                   "",
1617                                                                   data[i] & (1
1618                                                                              <<
1619                                                                              27)
1620                                                                   ?
1621                                                                   " force default point size,"
1622                                                                   : "",
1623                                                                   data[i] & (1
1624                                                                              <<
1625                                                                              26)
1626                                                                   ?
1627                                                                   " last pixel enable,"
1628                                                                   : "",
1629                                                                   data[i] & (1
1630                                                                              <<
1631                                                                              25)
1632                                                                   ?
1633                                                                   " global depth ofs enable,"
1634                                                                   : "",
1635                                                                   data[i] & (1
1636                                                                              <<
1637                                                                              24)
1638                                                                   ?
1639                                                                   " fog enable,"
1640                                                                   : "",
1641                                                                   (data[i] >>
1642                                                                    16) & 0xff,
1643                                                                   decode_compare_func
1644                                                                   (data[i] >>
1645                                                                    13),
1646                                                                   decode_stencil_op
1647                                                                   (data[i] >>
1648                                                                    10),
1649                                                                   decode_stencil_op
1650                                                                   (data[i] >>
1651                                                                    7),
1652                                                                   decode_stencil_op
1653                                                                   (data[i] >>
1654                                                                    4),
1655                                                                   data[i] & (1
1656                                                                              <<
1657                                                                              3)
1658                                                                   ?
1659                                                                   "stencil write enable, "
1660                                                                   : "",
1661                                                                   data[i] & (1
1662                                                                              <<
1663                                                                              2)
1664                                                                   ?
1665                                                                   "stencil test enable, "
1666                                                                   : "",
1667                                                                   data[i] & (1
1668                                                                              <<
1669                                                                              1)
1670                                                                   ?
1671                                                                   "color dither enable, "
1672                                                                   : "",
1673                                                                   data[i] & (1
1674                                                                              <<
1675                                                                              0)
1676                                                                   ?
1677                                                                   "logicop enable, "
1678                                                                   : "");
1679                                                 }
1680                                                 break;
1681                                         case 6:
1682                                                 instr_out(ctx, i,
1683                                                           "S6: %salpha_test=%s, alpha_ref=0x%x, "
1684                                                           "depth_test=%s, %ssrc_blnd_fct=%s, dst_blnd_fct=%s, "
1685                                                           "%s%stristrip_provoking_vertex=%i\n",
1686                                                           data[i] & (1 << 31) ?
1687                                                           "alpha test enable, "
1688                                                           : "",
1689                                                           decode_compare_func
1690                                                           (data[i] >> 28),
1691                                                           data[i] & (0xff <<
1692                                                                      20),
1693                                                           decode_compare_func
1694                                                           (data[i] >> 16),
1695                                                           data[i] & (1 << 15) ?
1696                                                           "cbuf blend enable, "
1697                                                           : "",
1698                                                           decode_blend_fact(data
1699                                                                             [i]
1700                                                                             >>
1701                                                                             8),
1702                                                           decode_blend_fact(data
1703                                                                             [i]
1704                                                                             >>
1705                                                                             4),
1706                                                           data[i] & (1 << 3) ?
1707                                                           "depth write enable, "
1708                                                           : "",
1709                                                           data[i] & (1 << 2) ?
1710                                                           "cbuf write enable, "
1711                                                           : "",
1712                                                           data[i] & (0x3));
1713                                                 break;
1714                                         case 7:
1715                                                 instr_out(ctx, i,
1716                                                           "S7: depth offset constant: 0x%08x\n",
1717                                                           data[i]);
1718                                                 break;
1719                                         }
1720                                 } else {
1721                                         instr_out(ctx, i,
1722                                                   "S%d: 0x%08x\n", word, data[i]);
1723                                 }
1724                                 i++;
1725                         }
1726                 }
1727                 if (len != i) {
1728                         fprintf(out,
1729                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_1\n");
1730                 }
1731                 return len;
1732         case 0x03:
1733                 instr_out(ctx, 0,
1734                           "3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1735                 len = (data[0] & 0x0000000f) + 2;
1736                 i = 1;
1737                 for (word = 6; word <= 14; word++) {
1738                         if (data[0] & (1 << word)) {
1739                                 if (word == 6)
1740                                         instr_out(ctx, i++,
1741                                                   "TBCF\n");
1742                                 else if (word >= 7 && word <= 10) {
1743                                         instr_out(ctx, i++,
1744                                                   "TB%dC\n", word - 7);
1745                                         instr_out(ctx, i++,
1746                                                   "TB%dA\n", word - 7);
1747                                 } else if (word >= 11 && word <= 14) {
1748                                         instr_out(ctx, i,
1749                                                   "TM%dS0: offset=0x%08x, %s\n",
1750                                                   word - 11,
1751                                                   data[i] & 0xfffffffe,
1752                                                   data[i] & 1 ? "use fence" :
1753                                                   "");
1754                                         i++;
1755                                         instr_out(ctx, i,
1756                                                   "TM%dS1: height=%i, width=%i, %s\n",
1757                                                   word - 11, data[i] >> 21,
1758                                                   (data[i] >> 10) & 0x3ff,
1759                                                   data[i] & 2 ? (data[i] & 1 ?
1760                                                                  "y-tiled" :
1761                                                                  "x-tiled") :
1762                                                   "");
1763                                         i++;
1764                                         instr_out(ctx, i,
1765                                                   "TM%dS2: pitch=%i, \n",
1766                                                   word - 11,
1767                                                   ((data[i] >> 21) + 1) * 4);
1768                                         i++;
1769                                         instr_out(ctx, i++,
1770                                                   "TM%dS3\n", word - 11);
1771                                         instr_out(ctx, i++,
1772                                                   "TM%dS4: dflt color\n",
1773                                                   word - 11);
1774                                 }
1775                         }
1776                 }
1777                 if (len != i) {
1778                         fprintf(out,
1779                                 "Bad count in 3DSTATE_LOAD_STATE_IMMEDIATE_2\n");
1780                 }
1781                 return len;
1782         case 0x00:
1783                 instr_out(ctx, 0, "3DSTATE_MAP_STATE\n");
1784                 len = (data[0] & 0x0000003f) + 2;
1785                 instr_out(ctx, 1, "mask\n");
1786
1787                 i = 2;
1788                 for (map = 0; map <= 15; map++) {
1789                         if (data[1] & (1 << map)) {
1790                                 int width, height, pitch, dword;
1791                                 const char *tiling;
1792
1793                                 dword = data[i];
1794                                 instr_out(ctx, i++,
1795                                           "map %d MS2 %s%s%s\n", map,
1796                                           dword & (1 << 31) ?
1797                                           "untrusted surface, " : "",
1798                                           dword & (1 << 1) ?
1799                                           "vertical line stride enable, " : "",
1800                                           dword & (1 << 0) ?
1801                                           "vertical ofs enable, " : "");
1802
1803                                 dword = data[i];
1804                                 width = ((dword >> 10) & ((1 << 11) - 1)) + 1;
1805                                 height = ((dword >> 21) & ((1 << 11) - 1)) + 1;
1806
1807                                 tiling = "none";
1808                                 if (dword & (1 << 2))
1809                                         tiling = "fenced";
1810                                 else if (dword & (1 << 1))
1811                                         tiling = dword & (1 << 0) ? "Y" : "X";
1812                                 type = " BAD";
1813                                 format = "BAD";
1814                                 switch ((dword >> 7) & 0x7) {
1815                                 case 1:
1816                                         type = "8b";
1817                                         switch ((dword >> 3) & 0xf) {
1818                                         case 0:
1819                                                 format = "I";
1820                                                 break;
1821                                         case 1:
1822                                                 format = "L";
1823                                                 break;
1824                                         case 4:
1825                                                 format = "A";
1826                                                 break;
1827                                         case 5:
1828                                                 format = " mono";
1829                                                 break;
1830                                         }
1831                                         break;
1832                                 case 2:
1833                                         type = "16b";
1834                                         switch ((dword >> 3) & 0xf) {
1835                                         case 0:
1836                                                 format = " rgb565";
1837                                                 break;
1838                                         case 1:
1839                                                 format = " argb1555";
1840                                                 break;
1841                                         case 2:
1842                                                 format = " argb4444";
1843                                                 break;
1844                                         case 5:
1845                                                 format = " ay88";
1846                                                 break;
1847                                         case 6:
1848                                                 format = " bump655";
1849                                                 break;
1850                                         case 7:
1851                                                 format = "I";
1852                                                 break;
1853                                         case 8:
1854                                                 format = "L";
1855                                                 break;
1856                                         case 9:
1857                                                 format = "A";
1858                                                 break;
1859                                         }
1860                                         break;
1861                                 case 3:
1862                                         type = "32b";
1863                                         switch ((dword >> 3) & 0xf) {
1864                                         case 0:
1865                                                 format = " argb8888";
1866                                                 break;
1867                                         case 1:
1868                                                 format = " abgr8888";
1869                                                 break;
1870                                         case 2:
1871                                                 format = " xrgb8888";
1872                                                 break;
1873                                         case 3:
1874                                                 format = " xbgr8888";
1875                                                 break;
1876                                         case 4:
1877                                                 format = " qwvu8888";
1878                                                 break;
1879                                         case 5:
1880                                                 format = " axvu8888";
1881                                                 break;
1882                                         case 6:
1883                                                 format = " lxvu8888";
1884                                                 break;
1885                                         case 7:
1886                                                 format = " xlvu8888";
1887                                                 break;
1888                                         case 8:
1889                                                 format = " argb2101010";
1890                                                 break;
1891                                         case 9:
1892                                                 format = " abgr2101010";
1893                                                 break;
1894                                         case 10:
1895                                                 format = " awvu2101010";
1896                                                 break;
1897                                         case 11:
1898                                                 format = " gr1616";
1899                                                 break;
1900                                         case 12:
1901                                                 format = " vu1616";
1902                                                 break;
1903                                         case 13:
1904                                                 format = " xI824";
1905                                                 break;
1906                                         case 14:
1907                                                 format = " xA824";
1908                                                 break;
1909                                         case 15:
1910                                                 format = " xL824";
1911                                                 break;
1912                                         }
1913                                         break;
1914                                 case 5:
1915                                         type = "422";
1916                                         switch ((dword >> 3) & 0xf) {
1917                                         case 0:
1918                                                 format = " yuv_swapy";
1919                                                 break;
1920                                         case 1:
1921                                                 format = " yuv";
1922                                                 break;
1923                                         case 2:
1924                                                 format = " yuv_swapuv";
1925                                                 break;
1926                                         case 3:
1927                                                 format = " yuv_swapuvy";
1928                                                 break;
1929                                         }
1930                                         break;
1931                                 case 6:
1932                                         type = "compressed";
1933                                         switch ((dword >> 3) & 0x7) {
1934                                         case 0:
1935                                                 format = " dxt1";
1936                                                 break;
1937                                         case 1:
1938                                                 format = " dxt2_3";
1939                                                 break;
1940                                         case 2:
1941                                                 format = " dxt4_5";
1942                                                 break;
1943                                         case 3:
1944                                                 format = " fxt1";
1945                                                 break;
1946                                         case 4:
1947                                                 format = " dxt1_rb";
1948                                                 break;
1949                                         }
1950                                         break;
1951                                 case 7:
1952                                         type = "4b indexed";
1953                                         switch ((dword >> 3) & 0xf) {
1954                                         case 7:
1955                                                 format = " argb8888";
1956                                                 break;
1957                                         }
1958                                         break;
1959                                 }
1960                                 dword = data[i];
1961                                 instr_out(ctx, i++,
1962                                           "map %d MS3 [width=%d, height=%d, format=%s%s, tiling=%s%s]\n",
1963                                           map, width, height, type, format,
1964                                           tiling,
1965                                           dword & (1 << 9) ? " palette select" :
1966                                           "");
1967
1968                                 dword = data[i];
1969                                 pitch =
1970                                     4 * (((dword >> 21) & ((1 << 11) - 1)) + 1);
1971                                 instr_out(ctx, i++,
1972                                           "map %d MS4 [pitch=%d, max_lod=%i, vol_depth=%i, cube_face_ena=%x, %s]\n",
1973                                           map, pitch, (dword >> 9) & 0x3f,
1974                                           dword & 0xff, (dword >> 15) & 0x3f,
1975                                           dword & (1 << 8) ? "miplayout legacy"
1976                                           : "miplayout right");
1977                         }
1978                 }
1979                 if (len != i) {
1980                         fprintf(out, "Bad count in 3DSTATE_MAP_STATE\n");
1981                         return len;
1982                 }
1983                 return len;
1984         case 0x06:
1985                 instr_out(ctx, 0,
1986                           "3DSTATE_PIXEL_SHADER_CONSTANTS\n");
1987                 len = (data[0] & 0x000000ff) + 2;
1988
1989                 i = 2;
1990                 for (c = 0; c <= 31; c++) {
1991                         if (data[1] & (1 << c)) {
1992                                 instr_out(ctx, i, "C%d.X = %f\n", c,
1993                                           int_as_float(data[i]));
1994                                 i++;
1995                                 instr_out(ctx, i, "C%d.Y = %f\n",
1996                                           c, int_as_float(data[i]));
1997                                 i++;
1998                                 instr_out(ctx, i, "C%d.Z = %f\n",
1999                                           c, int_as_float(data[i]));
2000                                 i++;
2001                                 instr_out(ctx, i, "C%d.W = %f\n",
2002                                           c, int_as_float(data[i]));
2003                                 i++;
2004                         }
2005                 }
2006                 if (len != i) {
2007                         fprintf(out,
2008                                 "Bad count in 3DSTATE_PIXEL_SHADER_CONSTANTS\n");
2009                 }
2010                 return len;
2011         case 0x05:
2012                 instr_out(ctx, 0, "3DSTATE_PIXEL_SHADER_PROGRAM\n");
2013                 len = (data[0] & 0x000000ff) + 2;
2014                 if ((len - 1) % 3 != 0 || len > 370) {
2015                         fprintf(out,
2016                                 "Bad count in 3DSTATE_PIXEL_SHADER_PROGRAM\n");
2017                 }
2018                 i = 1;
2019                 for (instr = 0; instr < (len - 1) / 3; instr++) {
2020                         char instr_prefix[10];
2021
2022                         sprintf(instr_prefix, "PS%03d", instr);
2023                         i915_decode_instruction(ctx, i,
2024                                                 instr_prefix);
2025                         i += 3;
2026                 }
2027                 return len;
2028         case 0x01:
2029                 if (IS_GEN2(devid))
2030                         break;
2031                 instr_out(ctx, 0, "3DSTATE_SAMPLER_STATE\n");
2032                 instr_out(ctx, 1, "mask\n");
2033                 len = (data[0] & 0x0000003f) + 2;
2034                 i = 2;
2035                 for (sampler = 0; sampler <= 15; sampler++) {
2036                         if (data[1] & (1 << sampler)) {
2037                                 uint32_t dword;
2038                                 const char *mip_filter = "";
2039
2040                                 dword = data[i];
2041                                 switch ((dword >> 20) & 0x3) {
2042                                 case 0:
2043                                         mip_filter = "none";
2044                                         break;
2045                                 case 1:
2046                                         mip_filter = "nearest";
2047                                         break;
2048                                 case 3:
2049                                         mip_filter = "linear";
2050                                         break;
2051                                 }
2052                                 instr_out(ctx, i++,
2053                                           "sampler %d SS2:%s%s%s "
2054                                           "base_mip_level=%i, mip_filter=%s, mag_filter=%s, min_filter=%s "
2055                                           "lod_bias=%.2f,%s max_aniso=%i, shadow_func=%s\n",
2056                                           sampler,
2057                                           dword & (1 << 31) ? " reverse gamma,"
2058                                           : "",
2059                                           dword & (1 << 30) ? " packed2planar,"
2060                                           : "",
2061                                           dword & (1 << 29) ?
2062                                           " colorspace conversion," : "",
2063                                           (dword >> 22) & 0x1f, mip_filter,
2064                                           decode_sample_filter(dword >> 17),
2065                                           decode_sample_filter(dword >> 14),
2066                                           ((dword >> 5) & 0x1ff) / (0x10 * 1.0),
2067                                           dword & (1 << 4) ? " shadow," : "",
2068                                           dword & (1 << 3) ? 4 : 2,
2069                                           decode_compare_func(dword));
2070                                 dword = data[i];
2071                                 instr_out(ctx, i++,
2072                                           "sampler %d SS3: min_lod=%.2f,%s "
2073                                           "tcmode_x=%s, tcmode_y=%s, tcmode_z=%s,%s texmap_idx=%i,%s\n",
2074                                           sampler,
2075                                           ((dword >> 24) & 0xff) / (0x10 * 1.0),
2076                                           dword & (1 << 17) ?
2077                                           " kill pixel enable," : "",
2078                                           decode_tex_coord_mode(dword >> 12),
2079                                           decode_tex_coord_mode(dword >> 9),
2080                                           decode_tex_coord_mode(dword >> 6),
2081                                           dword & (1 << 5) ?
2082                                           " normalized coords," : "",
2083                                           (dword >> 1) & 0xf,
2084                                           dword & (1 << 0) ? " deinterlacer," :
2085                                           "");
2086                                 dword = data[i];
2087                                 instr_out(ctx, i++,
2088                                           "sampler %d SS4: border color\n",
2089                                           sampler);
2090                         }
2091                 }
2092                 if (len != i) {
2093                         fprintf(out, "Bad count in 3DSTATE_SAMPLER_STATE\n");
2094                 }
2095                 return len;
2096         case 0x85:
2097                 len = (data[0] & 0x0000000f) + 2;
2098
2099                 if (len != 2)
2100                         fprintf(out,
2101                                 "Bad count in 3DSTATE_DEST_BUFFER_VARIABLES\n");
2102
2103                 instr_out(ctx, 0,
2104                           "3DSTATE_DEST_BUFFER_VARIABLES\n");
2105
2106                 switch ((data[1] >> 8) & 0xf) {
2107                 case 0x0:
2108                         format = "g8";
2109                         break;
2110                 case 0x1:
2111                         format = "x1r5g5b5";
2112                         break;
2113                 case 0x2:
2114                         format = "r5g6b5";
2115                         break;
2116                 case 0x3:
2117                         format = "a8r8g8b8";
2118                         break;
2119                 case 0x4:
2120                         format = "ycrcb_swapy";
2121                         break;
2122                 case 0x5:
2123                         format = "ycrcb_normal";
2124                         break;
2125                 case 0x6:
2126                         format = "ycrcb_swapuv";
2127                         break;
2128                 case 0x7:
2129                         format = "ycrcb_swapuvy";
2130                         break;
2131                 case 0x8:
2132                         format = "a4r4g4b4";
2133                         break;
2134                 case 0x9:
2135                         format = "a1r5g5b5";
2136                         break;
2137                 case 0xa:
2138                         format = "a2r10g10b10";
2139                         break;
2140                 default:
2141                         format = "BAD";
2142                         break;
2143                 }
2144                 switch ((data[1] >> 2) & 0x3) {
2145                 case 0x0:
2146                         zformat = "u16";
2147                         break;
2148                 case 0x1:
2149                         zformat = "f16";
2150                         break;
2151                 case 0x2:
2152                         zformat = "u24x8";
2153                         break;
2154                 default:
2155                         zformat = "BAD";
2156                         break;
2157                 }
2158                 instr_out(ctx, 1,
2159                           "%s format, %s depth format, early Z %sabled\n",
2160                           format, zformat,
2161                           (data[1] & (1 << 31)) ? "en" : "dis");
2162                 return len;
2163
2164         case 0x8e:
2165                 {
2166                         const char *name, *tiling;
2167
2168                         len = (data[0] & 0x0000000f) + 2;
2169                         if (len != 3)
2170                                 fprintf(out,
2171                                         "Bad count in 3DSTATE_BUFFER_INFO\n");
2172
2173                         switch ((data[1] >> 24) & 0x7) {
2174                         case 0x3:
2175                                 name = "color";
2176                                 break;
2177                         case 0x7:
2178                                 name = "depth";
2179                                 break;
2180                         default:
2181                                 name = "unknown";
2182                                 break;
2183                         }
2184
2185                         tiling = "none";
2186                         if (data[1] & (1 << 23))
2187                                 tiling = "fenced";
2188                         else if (data[1] & (1 << 22))
2189                                 tiling = data[1] & (1 << 21) ? "Y" : "X";
2190
2191                         instr_out(ctx, 0, "3DSTATE_BUFFER_INFO\n");
2192                         instr_out(ctx, 1,
2193                                   "%s, tiling = %s, pitch=%d\n", name, tiling,
2194                                   data[1] & 0xffff);
2195
2196                         instr_out(ctx, 2, "address\n");
2197                         return len;
2198                 }
2199         case 0x81:
2200                 len = (data[0] & 0x0000000f) + 2;
2201
2202                 if (len != 3)
2203                         fprintf(out,
2204                                 "Bad count in 3DSTATE_SCISSOR_RECTANGLE\n");
2205
2206                 instr_out(ctx, 0, "3DSTATE_SCISSOR_RECTANGLE\n");
2207                 instr_out(ctx, 1, "(%d,%d)\n",
2208                           data[1] & 0xffff, data[1] >> 16);
2209                 instr_out(ctx, 2, "(%d,%d)\n",
2210                           data[2] & 0xffff, data[2] >> 16);
2211
2212                 return len;
2213         case 0x80:
2214                 len = (data[0] & 0x0000000f) + 2;
2215
2216                 if (len != 5)
2217                         fprintf(out,
2218                                 "Bad count in 3DSTATE_DRAWING_RECTANGLE\n");
2219
2220                 instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
2221                 instr_out(ctx, 1, "%s\n",
2222                           data[1] & (1 << 30) ? "depth ofs disabled " : "");
2223                 instr_out(ctx, 2, "(%d,%d)\n",
2224                           data[2] & 0xffff, data[2] >> 16);
2225                 instr_out(ctx, 3, "(%d,%d)\n",
2226                           data[3] & 0xffff, data[3] >> 16);
2227                 instr_out(ctx, 4, "(%d,%d)\n",
2228                           data[4] & 0xffff, data[4] >> 16);
2229
2230                 return len;
2231         case 0x9c:
2232                 len = (data[0] & 0x0000000f) + 2;
2233
2234                 if (len != 7)
2235                         fprintf(out, "Bad count in 3DSTATE_CLEAR_PARAMETERS\n");
2236
2237                 instr_out(ctx, 0, "3DSTATE_CLEAR_PARAMETERS\n");
2238                 instr_out(ctx, 1, "prim_type=%s, clear=%s%s%s\n",
2239                           data[1] & (1 << 16) ? "CLEAR_RECT" : "ZONE_INIT",
2240                           data[1] & (1 << 2) ? "color," : "",
2241                           data[1] & (1 << 1) ? "depth," : "",
2242                           data[1] & (1 << 0) ? "stencil," : "");
2243                 instr_out(ctx, 2, "clear color\n");
2244                 instr_out(ctx, 3, "clear depth/stencil\n");
2245                 instr_out(ctx, 4, "color value (rgba8888)\n");
2246                 instr_out(ctx, 5, "depth value %f\n",
2247                           int_as_float(data[5]));
2248                 instr_out(ctx, 6, "clear stencil\n");
2249                 return len;
2250         }
2251
2252         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d_1d); idx++) {
2253                 opcode_3d_1d = &opcodes_3d_1d[idx];
2254                 if (opcode_3d_1d->i830_only && !IS_GEN2(devid))
2255                         continue;
2256
2257                 if (((data[0] & 0x00ff0000) >> 16) == opcode_3d_1d->opcode) {
2258                         len = 1;
2259
2260                         instr_out(ctx, 0, "%s\n",
2261                                   opcode_3d_1d->name);
2262                         if (opcode_3d_1d->max_len > 1) {
2263                                 len = (data[0] & 0x0000ffff) + 2;
2264                                 if (len < opcode_3d_1d->min_len ||
2265                                     len > opcode_3d_1d->max_len) {
2266                                         fprintf(out, "Bad count in %s\n",
2267                                                 opcode_3d_1d->name);
2268                                 }
2269                         }
2270
2271                         for (i = 1; i < len; i++) {
2272                                 instr_out(ctx, i, "dword %d\n", i);
2273                         }
2274
2275                         return len;
2276                 }
2277         }
2278
2279         instr_out(ctx, 0, "3D UNKNOWN: 3d_1d opcode = 0x%x\n",
2280                   opcode);
2281         return 1;
2282 }
2283
2284 static int
2285 decode_3d_primitive(struct drm_intel_decode *ctx)
2286 {
2287         uint32_t *data = ctx->data;
2288         uint32_t count = ctx->count;
2289         char immediate = (data[0] & (1 << 23)) == 0;
2290         unsigned int len, i, j, ret;
2291         const char *primtype;
2292         int original_s2 = saved_s2;
2293         int original_s4 = saved_s4;
2294
2295         switch ((data[0] >> 18) & 0xf) {
2296         case 0x0:
2297                 primtype = "TRILIST";
2298                 break;
2299         case 0x1:
2300                 primtype = "TRISTRIP";
2301                 break;
2302         case 0x2:
2303                 primtype = "TRISTRIP_REVERSE";
2304                 break;
2305         case 0x3:
2306                 primtype = "TRIFAN";
2307                 break;
2308         case 0x4:
2309                 primtype = "POLYGON";
2310                 break;
2311         case 0x5:
2312                 primtype = "LINELIST";
2313                 break;
2314         case 0x6:
2315                 primtype = "LINESTRIP";
2316                 break;
2317         case 0x7:
2318                 primtype = "RECTLIST";
2319                 break;
2320         case 0x8:
2321                 primtype = "POINTLIST";
2322                 break;
2323         case 0x9:
2324                 primtype = "DIB";
2325                 break;
2326         case 0xa:
2327                 primtype = "CLEAR_RECT";
2328                 saved_s4 = 3 << 6;
2329                 saved_s2 = ~0;
2330                 break;
2331         default:
2332                 primtype = "unknown";
2333                 break;
2334         }
2335
2336         /* XXX: 3DPRIM_DIB not supported */
2337         if (immediate) {
2338                 len = (data[0] & 0x0003ffff) + 2;
2339                 instr_out(ctx, 0, "3DPRIMITIVE inline %s\n",
2340                           primtype);
2341                 if (count < len)
2342                         BUFFER_FAIL(count, len, "3DPRIMITIVE inline");
2343                 if (!saved_s2_set || !saved_s4_set) {
2344                         fprintf(out, "unknown vertex format\n");
2345                         for (i = 1; i < len; i++) {
2346                                 instr_out(ctx, i,
2347                                           "           vertex data (%f float)\n",
2348                                           int_as_float(data[i]));
2349                         }
2350                 } else {
2351                         unsigned int vertex = 0;
2352                         for (i = 1; i < len;) {
2353                                 unsigned int tc;
2354
2355 #define VERTEX_OUT(fmt, ...) do {                                       \
2356     if (i < len)                                                        \
2357         instr_out(ctx, i, " V%d."fmt"\n", vertex, __VA_ARGS__); \
2358     else                                                                \
2359         fprintf(out, " missing data in V%d\n", vertex);                 \
2360     i++;                                                                \
2361 } while (0)
2362
2363                                 VERTEX_OUT("X = %f", int_as_float(data[i]));
2364                                 VERTEX_OUT("Y = %f", int_as_float(data[i]));
2365                                 switch (saved_s4 >> 6 & 0x7) {
2366                                 case 0x1:
2367                                         VERTEX_OUT("Z = %f",
2368                                                    int_as_float(data[i]));
2369                                         break;
2370                                 case 0x2:
2371                                         VERTEX_OUT("Z = %f",
2372                                                    int_as_float(data[i]));
2373                                         VERTEX_OUT("W = %f",
2374                                                    int_as_float(data[i]));
2375                                         break;
2376                                 case 0x3:
2377                                         break;
2378                                 case 0x4:
2379                                         VERTEX_OUT("W = %f",
2380                                                    int_as_float(data[i]));
2381                                         break;
2382                                 default:
2383                                         fprintf(out, "bad S4 position mask\n");
2384                                 }
2385
2386                                 if (saved_s4 & (1 << 10)) {
2387                                         VERTEX_OUT
2388                                             ("color = (A=0x%02x, R=0x%02x, G=0x%02x, "
2389                                              "B=0x%02x)", data[i] >> 24,
2390                                              (data[i] >> 16) & 0xff,
2391                                              (data[i] >> 8) & 0xff,
2392                                              data[i] & 0xff);
2393                                 }
2394                                 if (saved_s4 & (1 << 11)) {
2395                                         VERTEX_OUT
2396                                             ("spec = (A=0x%02x, R=0x%02x, G=0x%02x, "
2397                                              "B=0x%02x)", data[i] >> 24,
2398                                              (data[i] >> 16) & 0xff,
2399                                              (data[i] >> 8) & 0xff,
2400                                              data[i] & 0xff);
2401                                 }
2402                                 if (saved_s4 & (1 << 12))
2403                                         VERTEX_OUT("width = 0x%08x)", data[i]);
2404
2405                                 for (tc = 0; tc <= 7; tc++) {
2406                                         switch ((saved_s2 >> (tc * 4)) & 0xf) {
2407                                         case 0x0:
2408                                                 VERTEX_OUT("T%d.X = %f", tc,
2409                                                            int_as_float(data
2410                                                                         [i]));
2411                                                 VERTEX_OUT("T%d.Y = %f", tc,
2412                                                            int_as_float(data
2413                                                                         [i]));
2414                                                 break;
2415                                         case 0x1:
2416                                                 VERTEX_OUT("T%d.X = %f", tc,
2417                                                            int_as_float(data
2418                                                                         [i]));
2419                                                 VERTEX_OUT("T%d.Y = %f", tc,
2420                                                            int_as_float(data
2421                                                                         [i]));
2422                                                 VERTEX_OUT("T%d.Z = %f", tc,
2423                                                            int_as_float(data
2424                                                                         [i]));
2425                                                 break;
2426                                         case 0x2:
2427                                                 VERTEX_OUT("T%d.X = %f", tc,
2428                                                            int_as_float(data
2429                                                                         [i]));
2430                                                 VERTEX_OUT("T%d.Y = %f", tc,
2431                                                            int_as_float(data
2432                                                                         [i]));
2433                                                 VERTEX_OUT("T%d.Z = %f", tc,
2434                                                            int_as_float(data
2435                                                                         [i]));
2436                                                 VERTEX_OUT("T%d.W = %f", tc,
2437                                                            int_as_float(data
2438                                                                         [i]));
2439                                                 break;
2440                                         case 0x3:
2441                                                 VERTEX_OUT("T%d.X = %f", tc,
2442                                                            int_as_float(data
2443                                                                         [i]));
2444                                                 break;
2445                                         case 0x4:
2446                                                 VERTEX_OUT
2447                                                     ("T%d.XY = 0x%08x half-float",
2448                                                      tc, data[i]);
2449                                                 break;
2450                                         case 0x5:
2451                                                 VERTEX_OUT
2452                                                     ("T%d.XY = 0x%08x half-float",
2453                                                      tc, data[i]);
2454                                                 VERTEX_OUT
2455                                                     ("T%d.ZW = 0x%08x half-float",
2456                                                      tc, data[i]);
2457                                                 break;
2458                                         case 0xf:
2459                                                 break;
2460                                         default:
2461                                                 fprintf(out,
2462                                                         "bad S2.T%d format\n",
2463                                                         tc);
2464                                         }
2465                                 }
2466                                 vertex++;
2467                         }
2468                 }
2469
2470                 ret = len;
2471         } else {
2472                 /* indirect vertices */
2473                 len = data[0] & 0x0000ffff;     /* index count */
2474                 if (data[0] & (1 << 17)) {
2475                         /* random vertex access */
2476                         if (count < (len + 1) / 2 + 1) {
2477                                 BUFFER_FAIL(count, (len + 1) / 2 + 1,
2478                                             "3DPRIMITIVE random indirect");
2479                         }
2480                         instr_out(ctx, 0,
2481                                   "3DPRIMITIVE random indirect %s (%d)\n",
2482                                   primtype, len);
2483                         if (len == 0) {
2484                                 /* vertex indices continue until 0xffff is
2485                                  * found
2486                                  */
2487                                 for (i = 1; i < count; i++) {
2488                                         if ((data[i] & 0xffff) == 0xffff) {
2489                                                 instr_out(ctx, i,
2490                                                           "    indices: (terminator)\n");
2491                                                 ret = i;
2492                                                 goto out;
2493                                         } else if ((data[i] >> 16) == 0xffff) {
2494                                                 instr_out(ctx, i,
2495                                                           "    indices: 0x%04x, (terminator)\n",
2496                                                           data[i] & 0xffff);
2497                                                 ret = i;
2498                                                 goto out;
2499                                         } else {
2500                                                 instr_out(ctx, i,
2501                                                           "    indices: 0x%04x, 0x%04x\n",
2502                                                           data[i] & 0xffff,
2503                                                           data[i] >> 16);
2504                                         }
2505                                 }
2506                                 fprintf(out,
2507                                         "3DPRIMITIVE: no terminator found in index buffer\n");
2508                                 ret = count;
2509                                 goto out;
2510                         } else {
2511                                 /* fixed size vertex index buffer */
2512                                 for (j = 1, i = 0; i < len; i += 2, j++) {
2513                                         if (i * 2 == len - 1) {
2514                                                 instr_out(ctx, j,
2515                                                           "    indices: 0x%04x\n",
2516                                                           data[j] & 0xffff);
2517                                         } else {
2518                                                 instr_out(ctx, j,
2519                                                           "    indices: 0x%04x, 0x%04x\n",
2520                                                           data[j] & 0xffff,
2521                                                           data[j] >> 16);
2522                                         }
2523                                 }
2524                         }
2525                         ret = (len + 1) / 2 + 1;
2526                         goto out;
2527                 } else {
2528                         /* sequential vertex access */
2529                         instr_out(ctx, 0,
2530                                   "3DPRIMITIVE sequential indirect %s, %d starting from "
2531                                   "%d\n", primtype, len, data[1] & 0xffff);
2532                         instr_out(ctx, 1, "           start\n");
2533                         ret = 2;
2534                         goto out;
2535                 }
2536         }
2537
2538 out:
2539         saved_s2 = original_s2;
2540         saved_s4 = original_s4;
2541         return ret;
2542 }
2543
2544 static int
2545 decode_3d(struct drm_intel_decode *ctx)
2546 {
2547         uint32_t opcode;
2548         unsigned int idx;
2549         uint32_t *data = ctx->data;
2550
2551         struct {
2552                 uint32_t opcode;
2553                 unsigned int min_len;
2554                 unsigned int max_len;
2555                 const char *name;
2556         } opcodes_3d[] = {
2557                 { 0x06, 1, 1, "3DSTATE_ANTI_ALIASING" },
2558                 { 0x08, 1, 1, "3DSTATE_BACKFACE_STENCIL_OPS" },
2559                 { 0x09, 1, 1, "3DSTATE_BACKFACE_STENCIL_MASKS" },
2560                 { 0x16, 1, 1, "3DSTATE_COORD_SET_BINDINGS" },
2561                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
2562                 { 0x0b, 1, 1, "3DSTATE_INDEPENDENT_ALPHA_BLEND" },
2563                 { 0x0d, 1, 1, "3DSTATE_MODES_4" },
2564                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
2565                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES"},
2566         }, *opcode_3d;
2567
2568         opcode = (data[0] & 0x1f000000) >> 24;
2569
2570         switch (opcode) {
2571         case 0x1f:
2572                 return decode_3d_primitive(ctx);
2573         case 0x1d:
2574                 return decode_3d_1d(ctx);
2575         case 0x1c:
2576                 return decode_3d_1c(ctx);
2577         }
2578
2579         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
2580                 opcode_3d = &opcodes_3d[idx];
2581                 if (opcode == opcode_3d->opcode) {
2582                         unsigned int len = 1, i;
2583
2584                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
2585                         if (opcode_3d->max_len > 1) {
2586                                 len = (data[0] & 0xff) + 2;
2587                                 if (len < opcode_3d->min_len ||
2588                                     len > opcode_3d->max_len) {
2589                                         fprintf(out, "Bad count in %s\n",
2590                                                 opcode_3d->name);
2591                                 }
2592                         }
2593
2594                         for (i = 1; i < len; i++) {
2595                                 instr_out(ctx, i, "dword %d\n", i);
2596                         }
2597                         return len;
2598                 }
2599         }
2600
2601         instr_out(ctx, 0, "3D UNKNOWN: 3d opcode = 0x%x\n", opcode);
2602         return 1;
2603 }
2604
2605 static const char *get_965_surfacetype(unsigned int surfacetype)
2606 {
2607         switch (surfacetype) {
2608         case 0:
2609                 return "1D";
2610         case 1:
2611                 return "2D";
2612         case 2:
2613                 return "3D";
2614         case 3:
2615                 return "CUBE";
2616         case 4:
2617                 return "BUFFER";
2618         case 7:
2619                 return "NULL";
2620         default:
2621                 return "unknown";
2622         }
2623 }
2624
2625 static const char *get_965_depthformat(unsigned int depthformat)
2626 {
2627         switch (depthformat) {
2628         case 0:
2629                 return "s8_z24float";
2630         case 1:
2631                 return "z32float";
2632         case 2:
2633                 return "z24s8";
2634         case 5:
2635                 return "z16";
2636         default:
2637                 return "unknown";
2638         }
2639 }
2640
2641 static const char *get_965_element_component(uint32_t data, int component)
2642 {
2643         uint32_t component_control = (data >> (16 + (3 - component) * 4)) & 0x7;
2644
2645         switch (component_control) {
2646         case 0:
2647                 return "nostore";
2648         case 1:
2649                 switch (component) {
2650                 case 0:
2651                         return "X";
2652                 case 1:
2653                         return "Y";
2654                 case 2:
2655                         return "Z";
2656                 case 3:
2657                         return "W";
2658                 default:
2659                         return "fail";
2660                 }
2661         case 2:
2662                 return "0.0";
2663         case 3:
2664                 return "1.0";
2665         case 4:
2666                 return "0x1";
2667         case 5:
2668                 return "VID";
2669         default:
2670                 return "fail";
2671         }
2672 }
2673
2674 static const char *get_965_prim_type(uint32_t primtype)
2675 {
2676         switch (primtype) {
2677         case 0x01:
2678                 return "point list";
2679         case 0x02:
2680                 return "line list";
2681         case 0x03:
2682                 return "line strip";
2683         case 0x04:
2684                 return "tri list";
2685         case 0x05:
2686                 return "tri strip";
2687         case 0x06:
2688                 return "tri fan";
2689         case 0x07:
2690                 return "quad list";
2691         case 0x08:
2692                 return "quad strip";
2693         case 0x09:
2694                 return "line list adj";
2695         case 0x0a:
2696                 return "line strip adj";
2697         case 0x0b:
2698                 return "tri list adj";
2699         case 0x0c:
2700                 return "tri strip adj";
2701         case 0x0d:
2702                 return "tri strip reverse";
2703         case 0x0e:
2704                 return "polygon";
2705         case 0x0f:
2706                 return "rect list";
2707         case 0x10:
2708                 return "line loop";
2709         case 0x11:
2710                 return "point list bf";
2711         case 0x12:
2712                 return "line strip cont";
2713         case 0x13:
2714                 return "line strip bf";
2715         case 0x14:
2716                 return "line strip cont bf";
2717         case 0x15:
2718                 return "tri fan no stipple";
2719         default:
2720                 return "fail";
2721         }
2722 }
2723
2724 static int
2725 i965_decode_urb_fence(struct drm_intel_decode *ctx, int len)
2726 {
2727         uint32_t vs_fence, clip_fence, gs_fence, sf_fence, vfe_fence, cs_fence;
2728         uint32_t *data = ctx->data;
2729
2730         if (len != 3)
2731                 fprintf(out, "Bad count in URB_FENCE\n");
2732
2733         vs_fence = data[1] & 0x3ff;
2734         gs_fence = (data[1] >> 10) & 0x3ff;
2735         clip_fence = (data[1] >> 20) & 0x3ff;
2736         sf_fence = data[2] & 0x3ff;
2737         vfe_fence = (data[2] >> 10) & 0x3ff;
2738         cs_fence = (data[2] >> 20) & 0x7ff;
2739
2740         instr_out(ctx, 0, "URB_FENCE: %s%s%s%s%s%s\n",
2741                   (data[0] >> 13) & 1 ? "cs " : "",
2742                   (data[0] >> 12) & 1 ? "vfe " : "",
2743                   (data[0] >> 11) & 1 ? "sf " : "",
2744                   (data[0] >> 10) & 1 ? "clip " : "",
2745                   (data[0] >> 9) & 1 ? "gs " : "",
2746                   (data[0] >> 8) & 1 ? "vs " : "");
2747         instr_out(ctx, 1,
2748                   "vs fence: %d, clip_fence: %d, gs_fence: %d\n",
2749                   vs_fence, clip_fence, gs_fence);
2750         instr_out(ctx, 2,
2751                   "sf fence: %d, vfe_fence: %d, cs_fence: %d\n",
2752                   sf_fence, vfe_fence, cs_fence);
2753         if (gs_fence < vs_fence)
2754                 fprintf(out, "gs fence < vs fence!\n");
2755         if (clip_fence < gs_fence)
2756                 fprintf(out, "clip fence < gs fence!\n");
2757         if (sf_fence < clip_fence)
2758                 fprintf(out, "sf fence < clip fence!\n");
2759         if (cs_fence < sf_fence)
2760                 fprintf(out, "cs fence < sf fence!\n");
2761
2762         return len;
2763 }
2764
2765 static void
2766 state_base_out(struct drm_intel_decode *ctx, unsigned int index,
2767                const char *name)
2768 {
2769         if (ctx->data[index] & 1) {
2770                 instr_out(ctx, index,
2771                           "%s state base address 0x%08x\n", name,
2772                           ctx->data[index] & ~1);
2773         } else {
2774                 instr_out(ctx, index, "%s state base not updated\n",
2775                           name);
2776         }
2777 }
2778
2779 static void
2780 state_max_out(struct drm_intel_decode *ctx, unsigned int index,
2781               const char *name)
2782 {
2783         if (ctx->data[index] & 1) {
2784                 if (ctx->data[index] == 1) {
2785                         instr_out(ctx, index,
2786                                   "%s state upper bound disabled\n", name);
2787                 } else {
2788                         instr_out(ctx, index,
2789                                   "%s state upper bound 0x%08x\n", name,
2790                                   ctx->data[index] & ~1);
2791                 }
2792         } else {
2793                 instr_out(ctx, index,
2794                           "%s state upper bound not updated\n", name);
2795         }
2796 }
2797
2798 static int
2799 gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC(struct drm_intel_decode *ctx)
2800 {
2801         instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_CC\n");
2802         instr_out(ctx, 1, "pointer to CC viewport\n");
2803
2804         return 2;
2805 }
2806
2807 static int
2808 gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP(struct drm_intel_decode *ctx)
2809 {
2810         instr_out(ctx, 0, "3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP\n");
2811         instr_out(ctx, 1, "pointer to SF_CLIP viewport\n");
2812
2813         return 2;
2814 }
2815
2816 static int
2817 gen7_3DSTATE_BLEND_STATE_POINTERS(struct drm_intel_decode *ctx)
2818 {
2819         instr_out(ctx, 0, "3DSTATE_BLEND_STATE_POINTERS\n");
2820         instr_out(ctx, 1, "pointer to BLEND_STATE at 0x%08x (%s)\n",
2821                   ctx->data[1] & ~1,
2822                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2823
2824         return 2;
2825 }
2826
2827 static int
2828 gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS(struct drm_intel_decode *ctx)
2829 {
2830         instr_out(ctx, 0, "3DSTATE_DEPTH_STENCIL_STATE_POINTERS\n");
2831         instr_out(ctx, 1,
2832                   "pointer to DEPTH_STENCIL_STATE at 0x%08x (%s)\n",
2833                   ctx->data[1] & ~1,
2834                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2835
2836         return 2;
2837 }
2838
2839 static int
2840 gen7_3DSTATE_HIER_DEPTH_BUFFER(struct drm_intel_decode *ctx)
2841 {
2842         instr_out(ctx, 0, "3DSTATE_HIER_DEPTH_BUFFER\n");
2843         instr_out(ctx, 1, "pitch %db\n",
2844                   (ctx->data[1] & 0x1ffff) + 1);
2845         instr_out(ctx, 2, "pointer to HiZ buffer\n");
2846
2847         return 3;
2848 }
2849
2850 static int
2851 gen6_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2852 {
2853         instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2854         instr_out(ctx, 1, "blend change %d\n", ctx->data[1] & 1);
2855         instr_out(ctx, 2, "depth stencil change %d\n",
2856                   ctx->data[2] & 1);
2857         instr_out(ctx, 3, "cc change %d\n", ctx->data[3] & 1);
2858
2859         return 4;
2860 }
2861
2862 static int
2863 gen7_3DSTATE_CC_STATE_POINTERS(struct drm_intel_decode *ctx)
2864 {
2865         instr_out(ctx, 0, "3DSTATE_CC_STATE_POINTERS\n");
2866         instr_out(ctx, 1, "pointer to COLOR_CALC_STATE at 0x%08x "
2867                   "(%s)\n",
2868                   ctx->data[1] & ~1,
2869                   (ctx->data[1] & 1) ? "changed" : "unchanged");
2870
2871         return 2;
2872 }
2873
2874 static int
2875 gen7_3DSTATE_URB_unit(struct drm_intel_decode *ctx, const char *unit)
2876 {
2877     int start_kb = ((ctx->data[1] >> 25) & 0x3f) * 8;
2878     /* the field is # of 512-bit rows - 1, we print bytes */
2879     int entry_size = (((ctx->data[1] >> 16) & 0x1ff) + 1);
2880     int nr_entries = ctx->data[1] & 0xffff;
2881
2882     instr_out(ctx, 0, "3DSTATE_URB_%s\n", unit);
2883     instr_out(ctx, 1,
2884               "%dKB start, size=%d 64B rows, nr_entries=%d, total size %dB\n",
2885               start_kb, entry_size, nr_entries, nr_entries * 64 * entry_size);
2886
2887     return 2;
2888 }
2889
2890 static int
2891 gen7_3DSTATE_URB_VS(struct drm_intel_decode *ctx)
2892 {
2893         return gen7_3DSTATE_URB_unit(ctx, "VS");
2894 }
2895
2896 static int
2897 gen7_3DSTATE_URB_HS(struct drm_intel_decode *ctx)
2898 {
2899         return gen7_3DSTATE_URB_unit(ctx, "HS");
2900 }
2901
2902 static int
2903 gen7_3DSTATE_URB_DS(struct drm_intel_decode *ctx)
2904 {
2905         return gen7_3DSTATE_URB_unit(ctx, "DS");
2906 }
2907
2908 static int
2909 gen7_3DSTATE_URB_GS(struct drm_intel_decode *ctx)
2910 {
2911         return gen7_3DSTATE_URB_unit(ctx, "GS");
2912 }
2913
2914 static int
2915 gen7_3DSTATE_CONSTANT(struct drm_intel_decode *ctx, const char *unit)
2916 {
2917         int rlen[4];
2918
2919         rlen[0] = (ctx->data[1] >> 0) & 0xffff;
2920         rlen[1] = (ctx->data[1] >> 16) & 0xffff;
2921         rlen[2] = (ctx->data[2] >> 0) & 0xffff;
2922         rlen[3] = (ctx->data[2] >> 16) & 0xffff;
2923
2924         instr_out(ctx, 0, "3DSTATE_CONSTANT_%s\n", unit);
2925         instr_out(ctx, 1, "len 0 = %d, len 1 = %d\n", rlen[0], rlen[1]);
2926         instr_out(ctx, 2, "len 2 = %d, len 3 = %d\n", rlen[2], rlen[3]);
2927         instr_out(ctx, 3, "pointer to constbuf 0\n");
2928         instr_out(ctx, 4, "pointer to constbuf 1\n");
2929         instr_out(ctx, 5, "pointer to constbuf 2\n");
2930         instr_out(ctx, 6, "pointer to constbuf 3\n");
2931
2932         return 7;
2933 }
2934
2935 static int
2936 gen7_3DSTATE_CONSTANT_VS(struct drm_intel_decode *ctx)
2937 {
2938         return gen7_3DSTATE_CONSTANT(ctx, "VS");
2939 }
2940
2941 static int
2942 gen7_3DSTATE_CONSTANT_GS(struct drm_intel_decode *ctx)
2943 {
2944         return gen7_3DSTATE_CONSTANT(ctx, "GS");
2945 }
2946
2947 static int
2948 gen7_3DSTATE_CONSTANT_PS(struct drm_intel_decode *ctx)
2949 {
2950         return gen7_3DSTATE_CONSTANT(ctx, "PS");
2951 }
2952
2953 static int
2954 gen7_3DSTATE_CONSTANT_DS(struct drm_intel_decode *ctx)
2955 {
2956         return gen7_3DSTATE_CONSTANT(ctx, "DS");
2957 }
2958
2959 static int
2960 gen7_3DSTATE_CONSTANT_HS(struct drm_intel_decode *ctx)
2961 {
2962         return gen7_3DSTATE_CONSTANT(ctx, "HS");
2963 }
2964
2965
2966 static int
2967 gen6_3DSTATE_WM(struct drm_intel_decode *ctx)
2968 {
2969         instr_out(ctx, 0, "3DSTATE_WM\n");
2970         instr_out(ctx, 1, "kernel start pointer 0\n");
2971         instr_out(ctx, 2,
2972                   "SPF=%d, VME=%d, Sampler Count %d, "
2973                   "Binding table count %d\n",
2974                   (ctx->data[2] >> 31) & 1,
2975                   (ctx->data[2] >> 30) & 1,
2976                   (ctx->data[2] >> 27) & 7,
2977                   (ctx->data[2] >> 18) & 0xff);
2978         instr_out(ctx, 3, "scratch offset\n");
2979         instr_out(ctx, 4,
2980                   "Depth Clear %d, Depth Resolve %d, HiZ Resolve %d, "
2981                   "Dispatch GRF start[0] %d, start[1] %d, start[2] %d\n",
2982                   (ctx->data[4] & (1 << 30)) != 0,
2983                   (ctx->data[4] & (1 << 28)) != 0,
2984                   (ctx->data[4] & (1 << 27)) != 0,
2985                   (ctx->data[4] >> 16) & 0x7f,
2986                   (ctx->data[4] >> 8) & 0x7f,
2987                   (ctx->data[4] & 0x7f));
2988         instr_out(ctx, 5,
2989                   "MaxThreads %d, PS KillPixel %d, PS computed Z %d, "
2990                   "PS use sourceZ %d, Thread Dispatch %d, PS use sourceW %d, "
2991                   "Dispatch32 %d, Dispatch16 %d, Dispatch8 %d\n",
2992                   ((ctx->data[5] >> 25) & 0x7f) + 1,
2993                   (ctx->data[5] & (1 << 22)) != 0,
2994                   (ctx->data[5] & (1 << 21)) != 0,
2995                   (ctx->data[5] & (1 << 20)) != 0,
2996                   (ctx->data[5] & (1 << 19)) != 0,
2997                   (ctx->data[5] & (1 << 8)) != 0,
2998                   (ctx->data[5] & (1 << 2)) != 0,
2999                   (ctx->data[5] & (1 << 1)) != 0,
3000                   (ctx->data[5] & (1 << 0)) != 0);
3001         instr_out(ctx, 6,
3002                   "Num SF output %d, Pos XY offset %d, ZW interp mode %d , "
3003                   "Barycentric interp mode 0x%x, Point raster rule %d, "
3004                   "Multisample mode %d, "
3005                   "Multisample Dispatch mode %d\n",
3006                   (ctx->data[6] >> 20) & 0x3f,
3007                   (ctx->data[6] >> 18) & 3,
3008                   (ctx->data[6] >> 16) & 3,
3009                   (ctx->data[6] >> 10) & 0x3f,
3010                   (ctx->data[6] & (1 << 9)) != 0,
3011                   (ctx->data[6] >> 1) & 3,
3012                   (ctx->data[6] & 1));
3013         instr_out(ctx, 7, "kernel start pointer 1\n");
3014         instr_out(ctx, 8, "kernel start pointer 2\n");
3015
3016         return 9;
3017 }
3018
3019 static int
3020 gen7_3DSTATE_WM(struct drm_intel_decode *ctx)
3021 {
3022         const char *computed_depth = "";
3023         const char *early_depth = "";
3024         const char *zw_interp = "";
3025
3026         switch ((ctx->data[1] >> 23) & 0x3) {
3027         case 0:
3028                 computed_depth = "";
3029                 break;
3030         case 1:
3031                 computed_depth = "computed depth";
3032                 break;
3033         case 2:
3034                 computed_depth = "computed depth >=";
3035                 break;
3036         case 3:
3037                 computed_depth = "computed depth <=";
3038                 break;
3039         }
3040
3041         switch ((ctx->data[1] >> 21) & 0x3) {
3042         case 0:
3043                 early_depth = "";
3044                 break;
3045         case 1:
3046                 early_depth = ", EDSC_PSEXEC";
3047                 break;
3048         case 2:
3049                 early_depth = ", EDSC_PREPS";
3050                 break;
3051         case 3:
3052                 early_depth = ", BAD EDSC";
3053                 break;
3054         }
3055
3056         switch ((ctx->data[1] >> 17) & 0x3) {
3057         case 0:
3058                 early_depth = "";
3059                 break;
3060         case 1:
3061                 early_depth = ", BAD ZW interp";
3062                 break;
3063         case 2:
3064                 early_depth = ", ZW centroid";
3065                 break;
3066         case 3:
3067                 early_depth = ", ZW sample";
3068                 break;
3069         }
3070
3071         instr_out(ctx, 0, "3DSTATE_WM\n");
3072         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",
3073                   (ctx->data[1] & (1 << 11)) ? "PP " : "",
3074                   (ctx->data[1] & (1 << 12)) ? "PC " : "",
3075                   (ctx->data[1] & (1 << 13)) ? "PS " : "",
3076                   (ctx->data[1] & (1 << 14)) ? "NPP " : "",
3077                   (ctx->data[1] & (1 << 15)) ? "NPC " : "",
3078                   (ctx->data[1] & (1 << 16)) ? "NPS " : "",
3079                   (ctx->data[1] & (1 << 30)) ? ", depth clear" : "",
3080                   (ctx->data[1] & (1 << 29)) ? "" : ", disabled",
3081                   (ctx->data[1] & (1 << 28)) ? ", depth resolve" : "",
3082                   (ctx->data[1] & (1 << 27)) ? ", hiz resolve" : "",
3083                   (ctx->data[1] & (1 << 25)) ? ", kill" : "",
3084                   computed_depth,
3085                   early_depth,
3086                   zw_interp,
3087                   (ctx->data[1] & (1 << 20)) ? ", source depth" : "",
3088                   (ctx->data[1] & (1 << 19)) ? ", source W" : "",
3089                   (ctx->data[1] & (1 << 10)) ? ", coverage" : "",
3090                   (ctx->data[1] & (1 << 4)) ? ", poly stipple" : "",
3091                   (ctx->data[1] & (1 << 3)) ? ", line stipple" : "",
3092                   (ctx->data[1] & (1 << 2)) ? ", point UL" : ", point UR"
3093                   );
3094         instr_out(ctx, 2, "MS\n");
3095
3096         return 3;
3097 }
3098
3099 static int
3100 gen4_3DPRIMITIVE(struct drm_intel_decode *ctx)
3101 {
3102         instr_out(ctx, 0,
3103                   "3DPRIMITIVE: %s %s\n",
3104                   get_965_prim_type((ctx->data[0] >> 10) & 0x1f),
3105                   (ctx->data[0] & (1 << 15)) ? "random" : "sequential");
3106         instr_out(ctx, 1, "vertex count\n");
3107         instr_out(ctx, 2, "start vertex\n");
3108         instr_out(ctx, 3, "instance count\n");
3109         instr_out(ctx, 4, "start instance\n");
3110         instr_out(ctx, 5, "index bias\n");
3111
3112         return 6;
3113 }
3114
3115 static int
3116 gen7_3DPRIMITIVE(struct drm_intel_decode *ctx)
3117 {
3118         bool indirect = !!(ctx->data[0] & (1 << 10));
3119
3120         instr_out(ctx, 0,
3121                   "3DPRIMITIVE: %s%s\n",
3122                   indirect ? " indirect" : "",
3123                   (ctx->data[0] & (1 << 8)) ? " predicated" : "");
3124         instr_out(ctx, 1, "%s %s\n",
3125                   get_965_prim_type(ctx->data[1] & 0x3f),
3126                   (ctx->data[1] & (1 << 8)) ? "random" : "sequential");
3127         instr_out(ctx, 2, indirect ? "ignored" : "vertex count\n");
3128         instr_out(ctx, 3, indirect ? "ignored" : "start vertex\n");
3129         instr_out(ctx, 4, indirect ? "ignored" : "instance count\n");
3130         instr_out(ctx, 5, indirect ? "ignored" : "start instance\n");
3131         instr_out(ctx, 6, indirect ? "ignored" : "index bias\n");
3132
3133         return 7;
3134 }
3135
3136 static int
3137 decode_3d_965(struct drm_intel_decode *ctx)
3138 {
3139         uint32_t opcode;
3140         unsigned int len;
3141         unsigned int i, j, sba_len;
3142         const char *desc1 = NULL;
3143         uint32_t *data = ctx->data;
3144         uint32_t devid = ctx->devid;
3145
3146         struct {
3147                 uint32_t opcode;
3148                 uint32_t len_mask;
3149                 int unsigned min_len;
3150                 int unsigned max_len;
3151                 const char *name;
3152                 int gen;
3153                 int (*func)(struct drm_intel_decode *ctx);
3154         } opcodes_3d[] = {
3155                 { 0x6000, 0x00ff, 3, 3, "URB_FENCE" },
3156                 { 0x6001, 0xffff, 2, 2, "CS_URB_STATE" },
3157                 { 0x6002, 0x00ff, 2, 2, "CONSTANT_BUFFER" },
3158                 { 0x6101, 0xffff, 6, 10, "STATE_BASE_ADDRESS" },
3159                 { 0x6102, 0xffff, 2, 2, "STATE_SIP" },
3160                 { 0x6104, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3161                 { 0x680b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3162                 { 0x6904, 0xffff, 1, 1, "3DSTATE_PIPELINE_SELECT" },
3163                 { 0x7800, 0xffff, 7, 7, "3DSTATE_PIPELINED_POINTERS" },
3164                 { 0x7801, 0x00ff, 4, 6, "3DSTATE_BINDING_TABLE_POINTERS" },
3165                 { 0x7802, 0x00ff, 4, 4, "3DSTATE_SAMPLER_STATE_POINTERS" },
3166                 { 0x7805, 0x00ff, 7, 7, "3DSTATE_DEPTH_BUFFER", 7 },
3167                 { 0x7805, 0x00ff, 3, 3, "3DSTATE_URB" },
3168                 { 0x7804, 0x00ff, 3, 3, "3DSTATE_CLEAR_PARAMS" },
3169                 { 0x7806, 0x00ff, 3, 3, "3DSTATE_STENCIL_BUFFER" },
3170                 { 0x790f, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 6 },
3171                 { 0x7807, 0x00ff, 3, 3, "3DSTATE_HIER_DEPTH_BUFFER", 7, gen7_3DSTATE_HIER_DEPTH_BUFFER },
3172                 { 0x7808, 0x00ff, 5, 257, "3DSTATE_VERTEX_BUFFERS" },
3173                 { 0x7809, 0x00ff, 3, 256, "3DSTATE_VERTEX_ELEMENTS" },
3174                 { 0x780a, 0x00ff, 3, 3, "3DSTATE_INDEX_BUFFER" },
3175                 { 0x780b, 0xffff, 1, 1, "3DSTATE_VF_STATISTICS" },
3176                 { 0x780d, 0x00ff, 4, 4, "3DSTATE_VIEWPORT_STATE_POINTERS" },
3177                 { 0x780e, 0xffff, 4, 4, NULL, 6, gen6_3DSTATE_CC_STATE_POINTERS },
3178                 { 0x780e, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_CC_STATE_POINTERS },
3179                 { 0x780f, 0x00ff, 2, 2, "3DSTATE_SCISSOR_POINTERS" },
3180                 { 0x7810, 0x00ff, 6, 6, "3DSTATE_VS" },
3181                 { 0x7811, 0x00ff, 7, 7, "3DSTATE_GS" },
3182                 { 0x7812, 0x00ff, 4, 4, "3DSTATE_CLIP" },
3183                 { 0x7813, 0x00ff, 20, 20, "3DSTATE_SF", 6 },
3184                 { 0x7813, 0x00ff, 7, 7, "3DSTATE_SF", 7 },
3185                 { 0x7814, 0x00ff, 3, 3, "3DSTATE_WM", 7, gen7_3DSTATE_WM },
3186                 { 0x7814, 0x00ff, 9, 9, "3DSTATE_WM", 6, gen6_3DSTATE_WM },
3187                 { 0x7815, 0x00ff, 5, 5, "3DSTATE_CONSTANT_VS_STATE", 6 },
3188                 { 0x7815, 0x00ff, 7, 7, "3DSTATE_CONSTANT_VS", 7, gen7_3DSTATE_CONSTANT_VS },
3189                 { 0x7816, 0x00ff, 5, 5, "3DSTATE_CONSTANT_GS_STATE", 6 },
3190                 { 0x7816, 0x00ff, 7, 7, "3DSTATE_CONSTANT_GS", 7, gen7_3DSTATE_CONSTANT_GS },
3191                 { 0x7817, 0x00ff, 5, 5, "3DSTATE_CONSTANT_PS_STATE", 6 },
3192                 { 0x7817, 0x00ff, 7, 7, "3DSTATE_CONSTANT_PS", 7, gen7_3DSTATE_CONSTANT_PS },
3193                 { 0x7818, 0xffff, 2, 2, "3DSTATE_SAMPLE_MASK" },
3194                 { 0x7819, 0x00ff, 7, 7, "3DSTATE_CONSTANT_HS", 7, gen7_3DSTATE_CONSTANT_HS },
3195                 { 0x781a, 0x00ff, 7, 7, "3DSTATE_CONSTANT_DS", 7, gen7_3DSTATE_CONSTANT_DS },
3196                 { 0x781b, 0x00ff, 7, 7, "3DSTATE_HS" },
3197                 { 0x781c, 0x00ff, 4, 4, "3DSTATE_TE" },
3198                 { 0x781d, 0x00ff, 6, 6, "3DSTATE_DS" },
3199                 { 0x781e, 0x00ff, 3, 3, "3DSTATE_STREAMOUT" },
3200                 { 0x781f, 0x00ff, 14, 14, "3DSTATE_SBE" },
3201                 { 0x7820, 0x00ff, 8, 8, "3DSTATE_PS" },
3202                 { 0x7821, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP },
3203                 { 0x7823, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_VIEWPORT_STATE_POINTERS_CC },
3204                 { 0x7824, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_BLEND_STATE_POINTERS },
3205                 { 0x7825, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_DEPTH_STENCIL_STATE_POINTERS },
3206                 { 0x7826, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_VS" },
3207                 { 0x7827, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_HS" },
3208                 { 0x7828, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_DS" },
3209                 { 0x7829, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_GS" },
3210                 { 0x782a, 0x00ff, 2, 2, "3DSTATE_BINDING_TABLE_POINTERS_PS" },
3211                 { 0x782b, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_VS" },
3212                 { 0x782c, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_HS" },
3213                 { 0x782d, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_DS" },
3214                 { 0x782e, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_GS" },
3215                 { 0x782f, 0x00ff, 2, 2, "3DSTATE_SAMPLER_STATE_POINTERS_PS" },
3216                 { 0x7830, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_VS },
3217                 { 0x7831, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_HS },
3218                 { 0x7832, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_DS },
3219                 { 0x7833, 0x00ff, 2, 2, NULL, 7, gen7_3DSTATE_URB_GS },
3220                 { 0x7900, 0xffff, 4, 4, "3DSTATE_DRAWING_RECTANGLE" },
3221                 { 0x7901, 0xffff, 5, 5, "3DSTATE_CONSTANT_COLOR" },
3222                 { 0x7905, 0xffff, 5, 7, "3DSTATE_DEPTH_BUFFER" },
3223                 { 0x7906, 0xffff, 2, 2, "3DSTATE_POLY_STIPPLE_OFFSET" },
3224                 { 0x7907, 0xffff, 33, 33, "3DSTATE_POLY_STIPPLE_PATTERN" },
3225                 { 0x7908, 0xffff, 3, 3, "3DSTATE_LINE_STIPPLE" },
3226                 { 0x7909, 0xffff, 2, 2, "3DSTATE_GLOBAL_DEPTH_OFFSET_CLAMP" },
3227                 { 0x7909, 0xffff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3228                 { 0x790a, 0xffff, 3, 3, "3DSTATE_AA_LINE_PARAMETERS" },
3229                 { 0x790b, 0xffff, 4, 4, "3DSTATE_GS_SVB_INDEX" },
3230                 { 0x790d, 0xffff, 3, 3, "3DSTATE_MULTISAMPLE", 6 },
3231                 { 0x790d, 0xffff, 4, 4, "3DSTATE_MULTISAMPLE", 7 },
3232                 { 0x7910, 0x00ff, 2, 2, "3DSTATE_CLEAR_PARAMS" },
3233                 { 0x7912, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_VS" },
3234                 { 0x7913, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_HS" },
3235                 { 0x7914, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_DS" },
3236                 { 0x7915, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_GS" },
3237                 { 0x7916, 0x00ff, 2, 2, "3DSTATE_PUSH_CONSTANT_ALLOC_PS" },
3238                 { 0x7917, 0x00ff, 2, 2+128*2, "3DSTATE_SO_DECL_LIST" },
3239                 { 0x7918, 0x00ff, 4, 4, "3DSTATE_SO_BUFFER" },
3240                 { 0x7a00, 0x00ff, 4, 6, "PIPE_CONTROL" },
3241                 { 0x7b00, 0x00ff, 7, 7, NULL, 7, gen7_3DPRIMITIVE },
3242                 { 0x7b00, 0x00ff, 6, 6, NULL, 0, gen4_3DPRIMITIVE },
3243         }, *opcode_3d = NULL;
3244
3245         opcode = (data[0] & 0xffff0000) >> 16;
3246
3247         for (i = 0; i < ARRAY_SIZE(opcodes_3d); i++) {
3248                 if (opcode != opcodes_3d[i].opcode)
3249                         continue;
3250
3251                 /* If it's marked as not our gen, skip. */
3252                 if (opcodes_3d[i].gen && opcodes_3d[i].gen != ctx->gen)
3253                         continue;
3254
3255                 opcode_3d = &opcodes_3d[i];
3256                 break;
3257         }
3258
3259         if (opcode_3d) {
3260                 if (opcode_3d->max_len == 1)
3261                         len = 1;
3262                 else
3263                         len = (data[0] & opcode_3d->len_mask) + 2;
3264
3265                 if (len < opcode_3d->min_len ||
3266                     len > opcode_3d->max_len) {
3267                         fprintf(out, "Bad length %d in %s, expected %d-%d\n",
3268                                 len, opcode_3d->name,
3269                                 opcode_3d->min_len, opcode_3d->max_len);
3270                 }
3271         } else {
3272                 len = (data[0] & 0x0000ffff) + 2;
3273         }
3274
3275         switch (opcode) {
3276         case 0x6000:
3277                 return i965_decode_urb_fence(ctx, len);
3278         case 0x6001:
3279                 instr_out(ctx, 0, "CS_URB_STATE\n");
3280                 instr_out(ctx, 1,
3281                           "entry_size: %d [%d bytes], n_entries: %d\n",
3282                           (data[1] >> 4) & 0x1f,
3283                           (((data[1] >> 4) & 0x1f) + 1) * 64, data[1] & 0x7);
3284                 return len;
3285         case 0x6002:
3286                 instr_out(ctx, 0, "CONSTANT_BUFFER: %s\n",
3287                           (data[0] >> 8) & 1 ? "valid" : "invalid");
3288                 instr_out(ctx, 1,
3289                           "offset: 0x%08x, length: %d bytes\n", data[1] & ~0x3f,
3290                           ((data[1] & 0x3f) + 1) * 64);
3291                 return len;
3292         case 0x6101:
3293                 i = 0;
3294                 instr_out(ctx, 0, "STATE_BASE_ADDRESS\n");
3295                 i++;
3296
3297                 if (IS_GEN6(devid) || IS_GEN7(devid))
3298                         sba_len = 10;
3299                 else if (IS_GEN5(devid))
3300                         sba_len = 8;
3301                 else
3302                         sba_len = 6;
3303                 if (len != sba_len)
3304                         fprintf(out, "Bad count in STATE_BASE_ADDRESS\n");
3305
3306                 state_base_out(ctx, i++, "general");
3307                 state_base_out(ctx, i++, "surface");
3308                 if (IS_GEN6(devid) || IS_GEN7(devid))
3309                         state_base_out(ctx, i++, "dynamic");
3310                 state_base_out(ctx, i++, "indirect");
3311                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3312                         state_base_out(ctx, i++, "instruction");
3313
3314                 state_max_out(ctx, i++, "general");
3315                 if (IS_GEN6(devid) || IS_GEN7(devid))
3316                         state_max_out(ctx, i++, "dynamic");
3317                 state_max_out(ctx, i++, "indirect");
3318                 if (IS_GEN5(devid) || IS_GEN6(devid) || IS_GEN7(devid))
3319                         state_max_out(ctx, i++, "instruction");
3320
3321                 return len;
3322         case 0x7800:
3323                 instr_out(ctx, 0, "3DSTATE_PIPELINED_POINTERS\n");
3324                 instr_out(ctx, 1, "VS state\n");
3325                 instr_out(ctx, 2, "GS state\n");
3326                 instr_out(ctx, 3, "Clip state\n");
3327                 instr_out(ctx, 4, "SF state\n");
3328                 instr_out(ctx, 5, "WM state\n");
3329                 instr_out(ctx, 6, "CC state\n");
3330                 return len;
3331         case 0x7801:
3332                 if (len != 6 && len != 4)
3333                         fprintf(out,
3334                                 "Bad count in 3DSTATE_BINDING_TABLE_POINTERS\n");
3335                 if (len == 6) {
3336                         instr_out(ctx, 0,
3337                                   "3DSTATE_BINDING_TABLE_POINTERS\n");
3338                         instr_out(ctx, 1, "VS binding table\n");
3339                         instr_out(ctx, 2, "GS binding table\n");
3340                         instr_out(ctx, 3, "Clip binding table\n");
3341                         instr_out(ctx, 4, "SF binding table\n");
3342                         instr_out(ctx, 5, "WM binding table\n");
3343                 } else {
3344                         instr_out(ctx, 0,
3345                                   "3DSTATE_BINDING_TABLE_POINTERS: VS mod %d, "
3346                                   "GS mod %d, PS mod %d\n",
3347                                   (data[0] & (1 << 8)) != 0,
3348                                   (data[0] & (1 << 9)) != 0,
3349                                   (data[0] & (1 << 12)) != 0);
3350                         instr_out(ctx, 1, "VS binding table\n");
3351                         instr_out(ctx, 2, "GS binding table\n");
3352                         instr_out(ctx, 3, "WM binding table\n");
3353                 }
3354
3355                 return len;
3356         case 0x7802:
3357                 instr_out(ctx, 0,
3358                           "3DSTATE_SAMPLER_STATE_POINTERS: VS mod %d, "
3359                           "GS mod %d, PS mod %d\n", (data[0] & (1 << 8)) != 0,
3360                           (data[0] & (1 << 9)) != 0,
3361                           (data[0] & (1 << 12)) != 0);
3362                 instr_out(ctx, 1, "VS sampler state\n");
3363                 instr_out(ctx, 2, "GS sampler state\n");
3364                 instr_out(ctx, 3, "WM sampler state\n");
3365                 return len;
3366         case 0x7805:
3367                 /* Actually 3DSTATE_DEPTH_BUFFER on gen7. */
3368                 if (ctx->gen == 7)
3369                         break;
3370
3371                 instr_out(ctx, 0, "3DSTATE_URB\n");
3372                 instr_out(ctx, 1,
3373                           "VS entries %d, alloc size %d (1024bit row)\n",
3374                           data[1] & 0xffff, ((data[1] >> 16) & 0x07f) + 1);
3375                 instr_out(ctx, 2,
3376                           "GS entries %d, alloc size %d (1024bit row)\n",
3377                           (data[2] >> 8) & 0x3ff, (data[2] & 7) + 1);
3378                 return len;
3379
3380         case 0x7808:
3381                 if ((len - 1) % 4 != 0)
3382                         fprintf(out, "Bad count in 3DSTATE_VERTEX_BUFFERS\n");
3383                 instr_out(ctx, 0, "3DSTATE_VERTEX_BUFFERS\n");
3384
3385                 for (i = 1; i < len;) {
3386                         int idx, access;
3387                         if (IS_GEN6(devid)) {
3388                                 idx = 26;
3389                                 access = 20;
3390                         } else {
3391                                 idx = 27;
3392                                 access = 26;
3393                         }
3394                         instr_out(ctx, i,
3395                                   "buffer %d: %s, pitch %db\n", data[i] >> idx,
3396                                   data[i] & (1 << access) ? "random" :
3397                                   "sequential", data[i] & 0x07ff);
3398                         i++;
3399                         instr_out(ctx, i++, "buffer address\n");
3400                         instr_out(ctx, i++, "max index\n");
3401                         instr_out(ctx, i++, "mbz\n");
3402                 }
3403                 return len;
3404
3405         case 0x7809:
3406                 if ((len + 1) % 2 != 0)
3407                         fprintf(out, "Bad count in 3DSTATE_VERTEX_ELEMENTS\n");
3408                 instr_out(ctx, 0, "3DSTATE_VERTEX_ELEMENTS\n");
3409
3410                 for (i = 1; i < len;) {
3411                         instr_out(ctx, i,
3412                                   "buffer %d: %svalid, type 0x%04x, "
3413                                   "src offset 0x%04x bytes\n",
3414                                   data[i] >> ((IS_GEN6(devid) || IS_GEN7(devid)) ? 26 : 27),
3415                                   data[i] & (1 << ((IS_GEN6(devid) || IS_GEN7(devid)) ? 25 : 26)) ?
3416                                   "" : "in", (data[i] >> 16) & 0x1ff,
3417                                   data[i] & 0x07ff);
3418                         i++;
3419                         instr_out(ctx, i, "(%s, %s, %s, %s), "
3420                                   "dst offset 0x%02x bytes\n",
3421                                   get_965_element_component(data[i], 0),
3422                                   get_965_element_component(data[i], 1),
3423                                   get_965_element_component(data[i], 2),
3424                                   get_965_element_component(data[i], 3),
3425                                   (data[i] & 0xff) * 4);
3426                         i++;
3427                 }
3428                 return len;
3429
3430         case 0x780d:
3431                 instr_out(ctx, 0,
3432                           "3DSTATE_VIEWPORT_STATE_POINTERS\n");
3433                 instr_out(ctx, 1, "clip\n");
3434                 instr_out(ctx, 2, "sf\n");
3435                 instr_out(ctx, 3, "cc\n");
3436                 return len;
3437
3438         case 0x780a:
3439                 instr_out(ctx, 0, "3DSTATE_INDEX_BUFFER\n");
3440                 instr_out(ctx, 1, "beginning buffer address\n");
3441                 instr_out(ctx, 2, "ending buffer address\n");
3442                 return len;
3443
3444         case 0x780f:
3445                 instr_out(ctx, 0, "3DSTATE_SCISSOR_POINTERS\n");
3446                 instr_out(ctx, 1, "scissor rect offset\n");
3447                 return len;
3448
3449         case 0x7810:
3450                 instr_out(ctx, 0, "3DSTATE_VS\n");
3451                 instr_out(ctx, 1, "kernel pointer\n");
3452                 instr_out(ctx, 2,
3453                           "SPF=%d, VME=%d, Sampler Count %d, "
3454                           "Binding table count %d\n", (data[2] >> 31) & 1,
3455                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3456                           (data[2] >> 18) & 0xff);
3457                 instr_out(ctx, 3, "scratch offset\n");
3458                 instr_out(ctx, 4,
3459                           "Dispatch GRF start %d, VUE read length %d, "
3460                           "VUE read offset %d\n", (data[4] >> 20) & 0x1f,
3461                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3462                 instr_out(ctx, 5,
3463                           "Max Threads %d, Vertex Cache %sable, "
3464                           "VS func %sable\n", ((data[5] >> 25) & 0x7f) + 1,
3465                           (data[5] & (1 << 1)) != 0 ? "dis" : "en",
3466                           (data[5] & 1) != 0 ? "en" : "dis");
3467                 return len;
3468
3469         case 0x7811:
3470                 instr_out(ctx, 0, "3DSTATE_GS\n");
3471                 instr_out(ctx, 1, "kernel pointer\n");
3472                 instr_out(ctx, 2,
3473                           "SPF=%d, VME=%d, Sampler Count %d, "
3474                           "Binding table count %d\n", (data[2] >> 31) & 1,
3475                           (data[2] >> 30) & 1, (data[2] >> 27) & 7,
3476                           (data[2] >> 18) & 0xff);
3477                 instr_out(ctx, 3, "scratch offset\n");
3478                 instr_out(ctx, 4,
3479                           "Dispatch GRF start %d, VUE read length %d, "
3480                           "VUE read offset %d\n", (data[4] & 0xf),
3481                           (data[4] >> 11) & 0x3f, (data[4] >> 4) & 0x3f);
3482                 instr_out(ctx, 5,
3483                           "Max Threads %d, Rendering %sable\n",
3484                           ((data[5] >> 25) & 0x7f) + 1,
3485                           (data[5] & (1 << 8)) != 0 ? "en" : "dis");
3486                 instr_out(ctx, 6,
3487                           "Reorder %sable, Discard Adjaceny %sable, "
3488                           "GS %sable\n",
3489                           (data[6] & (1 << 30)) != 0 ? "en" : "dis",
3490                           (data[6] & (1 << 29)) != 0 ? "en" : "dis",
3491                           (data[6] & (1 << 15)) != 0 ? "en" : "dis");
3492                 return len;
3493
3494         case 0x7812:
3495                 instr_out(ctx, 0, "3DSTATE_CLIP\n");
3496                 instr_out(ctx, 1,
3497                           "UserClip distance cull test mask 0x%x\n",
3498                           data[1] & 0xff);
3499                 instr_out(ctx, 2,
3500                           "Clip %sable, API mode %s, Viewport XY test %sable, "
3501                           "Viewport Z test %sable, Guardband test %sable, Clip mode %d, "
3502                           "Perspective Divide %sable, Non-Perspective Barycentric %sable, "
3503                           "Tri Provoking %d, Line Provoking %d, Trifan Provoking %d\n",
3504                           (data[2] & (1 << 31)) != 0 ? "en" : "dis",
3505                           (data[2] & (1 << 30)) != 0 ? "D3D" : "OGL",
3506                           (data[2] & (1 << 28)) != 0 ? "en" : "dis",
3507                           (data[2] & (1 << 27)) != 0 ? "en" : "dis",
3508                           (data[2] & (1 << 26)) != 0 ? "en" : "dis",
3509                           (data[2] >> 13) & 7,
3510                           (data[2] & (1 << 9)) != 0 ? "dis" : "en",
3511                           (data[2] & (1 << 8)) != 0 ? "en" : "dis",
3512                           (data[2] >> 4) & 3, (data[2] >> 2) & 3,
3513                           (data[2] & 3));
3514                 instr_out(ctx, 3,
3515                           "Min PointWidth %d, Max PointWidth %d, "
3516                           "Force Zero RTAIndex %sable, Max VPIndex %d\n",
3517                           (data[3] >> 17) & 0x7ff, (data[3] >> 6) & 0x7ff,
3518                           (data[3] & (1 << 5)) != 0 ? "en" : "dis",
3519                           (data[3] & 0xf));
3520                 return len;
3521
3522         case 0x7813:
3523                 if (ctx->gen == 7)
3524                         break;
3525
3526                 instr_out(ctx, 0, "3DSTATE_SF\n");
3527                 instr_out(ctx, 1,
3528                           "Attrib Out %d, Attrib Swizzle %sable, VUE read length %d, "
3529                           "VUE read offset %d\n", (data[1] >> 22) & 0x3f,
3530                           (data[1] & (1 << 21)) != 0 ? "en" : "dis",
3531                           (data[1] >> 11) & 0x1f, (data[1] >> 4) & 0x3f);
3532                 instr_out(ctx, 2,
3533                           "Legacy Global DepthBias %sable, FrontFace fill %d, BF fill %d, "
3534                           "VP transform %sable, FrontWinding_%s\n",
3535                           (data[2] & (1 << 11)) != 0 ? "en" : "dis",
3536                           (data[2] >> 5) & 3, (data[2] >> 3) & 3,
3537                           (data[2] & (1 << 1)) != 0 ? "en" : "dis",
3538                           (data[2] & 1) != 0 ? "CCW" : "CW");
3539                 instr_out(ctx, 3,
3540                           "AA %sable, CullMode %d, Scissor %sable, Multisample m ode %d\n",
3541                           (data[3] & (1 << 31)) != 0 ? "en" : "dis",
3542                           (data[3] >> 29) & 3,
3543                           (data[3] & (1 << 11)) != 0 ? "en" : "dis",
3544                           (data[3] >> 8) & 3);
3545                 instr_out(ctx, 4,
3546                           "Last Pixel %sable, SubPixel Precision %d, Use PixelWidth %d\n",
3547                           (data[4] & (1 << 31)) != 0 ? "en" : "dis",
3548                           (data[4] & (1 << 12)) != 0 ? 4 : 8,
3549                           (data[4] & (1 << 11)) != 0);
3550                 instr_out(ctx, 5,
3551                           "Global Depth Offset Constant %f\n",
3552                           *(float *)(&data[5]));
3553                 instr_out(ctx, 6, "Global Depth Offset Scale %f\n",
3554                           *(float *)(&data[6]));
3555                 instr_out(ctx, 7, "Global Depth Offset Clamp %f\n",
3556                           *(float *)(&data[7]));
3557
3558                 for (i = 0, j = 0; i < 8; i++, j += 2)
3559                         instr_out(ctx, i + 8,
3560                                   "Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, "
3561                                   "Source %d); Attrib %d (Override %s%s%s%s, Const Source %d, Swizzle Select %d, Source %d)\n",
3562                                   j + 1,
3563                                   (data[8 + i] & (1 << 31)) != 0 ? "W" : "",
3564                                   (data[8 + i] & (1 << 30)) != 0 ? "Z" : "",
3565                                   (data[8 + i] & (1 << 29)) != 0 ? "Y" : "",
3566                                   (data[8 + i] & (1 << 28)) != 0 ? "X" : "",
3567                                   (data[8 + i] >> 25) & 3,
3568                                   (data[8 + i] >> 22) & 3,
3569                                   (data[8 + i] >> 16) & 0x1f, j,
3570                                   (data[8 + i] & (1 << 15)) != 0 ? "W" : "",
3571                                   (data[8 + i] & (1 << 14)) != 0 ? "Z" : "",
3572                                   (data[8 + i] & (1 << 13)) != 0 ? "Y" : "",
3573                                   (data[8 + i] & (1 << 12)) != 0 ? "X" : "",
3574                                   (data[8 + i] >> 9) & 3,
3575                                   (data[8 + i] >> 6) & 3, (data[8 + i] & 0x1f));
3576                 instr_out(ctx, 16,
3577                           "Point Sprite TexCoord Enable\n");
3578                 instr_out(ctx, 17, "Const Interp Enable\n");
3579                 instr_out(ctx, 18,
3580                           "Attrib 7-0 WrapShortest Enable\n");
3581                 instr_out(ctx, 19,
3582                           "Attrib 15-8 WrapShortest Enable\n");
3583
3584                 return len;
3585
3586         case 0x7900:
3587                 instr_out(ctx, 0, "3DSTATE_DRAWING_RECTANGLE\n");
3588                 instr_out(ctx, 1, "top left: %d,%d\n",
3589                           data[1] & 0xffff, (data[1] >> 16) & 0xffff);
3590                 instr_out(ctx, 2, "bottom right: %d,%d\n",
3591                           data[2] & 0xffff, (data[2] >> 16) & 0xffff);
3592                 instr_out(ctx, 3, "origin: %d,%d\n",
3593                           (int)data[3] & 0xffff, ((int)data[3] >> 16) & 0xffff);
3594
3595                 return len;
3596
3597         case 0x7905:
3598                 instr_out(ctx, 0, "3DSTATE_DEPTH_BUFFER\n");
3599                 if (IS_GEN5(devid) || IS_GEN6(devid))
3600                         instr_out(ctx, 1,
3601                                   "%s, %s, pitch = %d bytes, %stiled, HiZ %d, Separate Stencil %d\n",
3602                                   get_965_surfacetype(data[1] >> 29),
3603                                   get_965_depthformat((data[1] >> 18) & 0x7),
3604                                   (data[1] & 0x0001ffff) + 1,
3605                                   data[1] & (1 << 27) ? "" : "not ",
3606                                   (data[1] & (1 << 22)) != 0,
3607                                   (data[1] & (1 << 21)) != 0);
3608                 else
3609                         instr_out(ctx, 1,
3610                                   "%s, %s, pitch = %d bytes, %stiled\n",
3611                                   get_965_surfacetype(data[1] >> 29),
3612                                   get_965_depthformat((data[1] >> 18) & 0x7),
3613                                   (data[1] & 0x0001ffff) + 1,
3614                                   data[1] & (1 << 27) ? "" : "not ");
3615                 instr_out(ctx, 2, "depth offset\n");
3616                 instr_out(ctx, 3, "%dx%d\n",
3617                           ((data[3] & 0x0007ffc0) >> 6) + 1,
3618                           ((data[3] & 0xfff80000) >> 19) + 1);
3619                 instr_out(ctx, 4, "volume depth\n");
3620                 if (len >= 6)
3621                         instr_out(ctx, 5, "\n");
3622                 if (len >= 7) {
3623                         if (IS_GEN6(devid))
3624                                 instr_out(ctx, 6, "\n");
3625                         else
3626                                 instr_out(ctx, 6,
3627                                           "render target view extent\n");
3628                 }
3629
3630                 return len;
3631
3632         case 0x7a00:
3633                 if (IS_GEN6(devid) || IS_GEN7(devid)) {
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                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
3736
3737                         for (i = 1; i < len; i++) {
3738                                 instr_out(ctx, i, "dword %d\n", i);
3739                         }
3740                         return len;
3741                 }
3742         }
3743
3744         instr_out(ctx, 0, "3D UNKNOWN: 3d_965 opcode = 0x%x\n",
3745                   opcode);
3746         return 1;
3747 }
3748
3749 static int
3750 decode_3d_i830(struct drm_intel_decode *ctx)
3751 {
3752         unsigned int idx;
3753         uint32_t opcode;
3754         uint32_t *data = ctx->data;
3755
3756         struct {
3757                 uint32_t opcode;
3758                 unsigned int min_len;
3759                 unsigned int max_len;
3760                 const char *name;
3761         } opcodes_3d[] = {
3762                 { 0x02, 1, 1, "3DSTATE_MODES_3" },
3763                 { 0x03, 1, 1, "3DSTATE_ENABLES_1" },
3764                 { 0x04, 1, 1, "3DSTATE_ENABLES_2" },
3765                 { 0x05, 1, 1, "3DSTATE_VFT0" },
3766                 { 0x06, 1, 1, "3DSTATE_AA" },
3767                 { 0x07, 1, 1, "3DSTATE_RASTERIZATION_RULES" },
3768                 { 0x08, 1, 1, "3DSTATE_MODES_1" },
3769                 { 0x09, 1, 1, "3DSTATE_STENCIL_TEST" },
3770                 { 0x0a, 1, 1, "3DSTATE_VFT1" },
3771                 { 0x0b, 1, 1, "3DSTATE_INDPT_ALPHA_BLEND" },
3772                 { 0x0c, 1, 1, "3DSTATE_MODES_5" },
3773                 { 0x0d, 1, 1, "3DSTATE_MAP_BLEND_OP" },
3774                 { 0x0e, 1, 1, "3DSTATE_MAP_BLEND_ARG" },
3775                 { 0x0f, 1, 1, "3DSTATE_MODES_2" },
3776                 { 0x15, 1, 1, "3DSTATE_FOG_COLOR" },
3777                 { 0x16, 1, 1, "3DSTATE_MODES_4"},
3778         }, *opcode_3d;
3779
3780         opcode = (data[0] & 0x1f000000) >> 24;
3781
3782         switch (opcode) {
3783         case 0x1f:
3784                 return decode_3d_primitive(ctx);
3785         case 0x1d:
3786                 return decode_3d_1d(ctx);
3787         case 0x1c:
3788                 return decode_3d_1c(ctx);
3789         }
3790
3791         for (idx = 0; idx < ARRAY_SIZE(opcodes_3d); idx++) {
3792                 opcode_3d = &opcodes_3d[idx];
3793                 if ((data[0] & 0x1f000000) >> 24 == opcode_3d->opcode) {
3794                         unsigned int len = 1, i;
3795
3796                         instr_out(ctx, 0, "%s\n", opcode_3d->name);
3797                         if (opcode_3d->max_len > 1) {
3798                                 len = (data[0] & 0xff) + 2;
3799                                 if (len < opcode_3d->min_len ||
3800                                     len > opcode_3d->max_len) {
3801                                         fprintf(out, "Bad count in %s\n",
3802                                                 opcode_3d->name);
3803                                 }
3804                         }
3805
3806                         for (i = 1; i < len; i++) {
3807                                 instr_out(ctx, i, "dword %d\n", i);
3808                         }
3809                         return len;
3810                 }
3811         }
3812
3813         instr_out(ctx, 0, "3D UNKNOWN: 3d_i830 opcode = 0x%x\n",
3814                   opcode);
3815         return 1;
3816 }
3817
3818 struct drm_intel_decode *
3819 drm_intel_decode_context_alloc(uint32_t devid)
3820 {
3821         struct drm_intel_decode *ctx;
3822
3823         ctx = calloc(1, sizeof(struct drm_intel_decode));
3824         if (!ctx)
3825                 return NULL;
3826
3827         ctx->devid = devid;
3828         ctx->out = stdout;
3829
3830         if (IS_GEN10(devid))
3831                 ctx->gen = 10;
3832         else 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 *output)
3887 {
3888         ctx->out = output;
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;
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         size = ctx->base_count * 4;
3915         temp = malloc(size + 4096);
3916         memcpy(temp, ctx->base_data, size);
3917         memset((char *)temp + size, 0xd0, 4096);
3918         ctx->data = temp;
3919
3920         ctx->hw_offset = ctx->base_hw_offset;
3921         ctx->count = ctx->base_count;
3922
3923         devid = ctx->devid;
3924         head_offset = ctx->head;
3925         tail_offset = ctx->tail;
3926         out = ctx->out;
3927
3928         saved_s2_set = 0;
3929         saved_s4_set = 1;
3930
3931         while (ctx->count > 0) {
3932                 index = 0;
3933
3934                 switch ((ctx->data[index] & 0xe0000000) >> 29) {
3935                 case 0x0:
3936                         ret = decode_mi(ctx);
3937
3938                         /* If MI_BATCHBUFFER_END happened, then dump
3939                          * the rest of the output in case we some day
3940                          * want it in debugging, but don't decode it
3941                          * since it'll just confuse in the common
3942                          * case.
3943                          */
3944                         if (ret == -1) {
3945                                 if (ctx->dump_past_end) {
3946                                         index++;
3947                                 } else {
3948                                         for (index = index + 1; index < ctx->count;
3949                                              index++) {
3950                                                 instr_out(ctx, index, "\n");
3951                                         }
3952                                 }
3953                         } else
3954                                 index += ret;
3955                         break;
3956                 case 0x2:
3957                         index += decode_2d(ctx);
3958                         break;
3959                 case 0x3:
3960                         if (IS_9XX(devid) && !IS_GEN3(devid)) {
3961                                 index +=
3962                                     decode_3d_965(ctx);
3963                         } else if (IS_GEN3(devid)) {
3964                                 index += decode_3d(ctx);
3965                         } else {
3966                                 index +=
3967                                     decode_3d_i830(ctx);
3968                         }
3969                         break;
3970                 default:
3971                         instr_out(ctx, index, "UNKNOWN\n");
3972                         index++;
3973                         break;
3974                 }
3975                 fflush(out);
3976
3977                 if (ctx->count < index)
3978                         break;
3979
3980                 ctx->count -= index;
3981                 ctx->data += index;
3982                 ctx->hw_offset += 4 * index;
3983         }
3984
3985         free(temp);
3986 }