src/mesa/drivers/dri/i965/brw_disasm.c

   1 /*
   2  * Copyright © 2008 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that copyright
   7  * notice and this permission notice appear in supporting documentation, and
   8  * that the name of the copyright holders not be used in advertising or
   9  * publicity pertaining to distribution of the software without specific,
  10  * written prior permission.  The copyright holders make no representations
  11  * about the suitability of this software for any purpose.  It is provided "as
  12  * is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  20  * OF THIS SOFTWARE.
  21  */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <getopt.h>
  27 #include <unistd.h>
  28 #include <stdarg.h>
  29
  30 #include "main/mtypes.h"
  31
  32 #include "brw_context.h"
  33 #include "brw_defines.h"
  34
  35 struct {
  36     char    *name;
  37     int     nsrc;
  38     int     ndst;
  39 } opcode[128] = {
  40     [BRW_OPCODE_MOV] = { .name = "mov", .nsrc = 1, .ndst = 1 },
  41     [BRW_OPCODE_FRC] = { .name = "frc", .nsrc = 1, .ndst = 1 },
  42     [BRW_OPCODE_RNDU] = { .name = "rndu", .nsrc = 1, .ndst = 1 },
  43     [BRW_OPCODE_RNDD] = { .name = "rndd", .nsrc = 1, .ndst = 1 },
  44     [BRW_OPCODE_RNDE] = { .name = "rnde", .nsrc = 1, .ndst = 1 },
  45     [BRW_OPCODE_RNDZ] = { .name = "rndz", .nsrc = 1, .ndst = 1 },
  46     [BRW_OPCODE_NOT] = { .name = "not", .nsrc = 1, .ndst = 1 },
  47     [BRW_OPCODE_LZD] = { .name = "lzd", .nsrc = 1, .ndst = 1 },
  48
  49     [BRW_OPCODE_MUL] = { .name = "mul", .nsrc = 2, .ndst = 1 },
  50     [BRW_OPCODE_MAC] = { .name = "mac", .nsrc = 2, .ndst = 1 },
  51     [BRW_OPCODE_MACH] = { .name = "mach", .nsrc = 2, .ndst = 1 },
  52     [BRW_OPCODE_LINE] = { .name = "line", .nsrc = 2, .ndst = 1 },
  53     [BRW_OPCODE_PLN] = { .name = "pln", .nsrc = 2, .ndst = 1 },
  54     [BRW_OPCODE_SAD2] = { .name = "sad2", .nsrc = 2, .ndst = 1 },
  55     [BRW_OPCODE_SADA2] = { .name = "sada2", .nsrc = 2, .ndst = 1 },
  56     [BRW_OPCODE_DP4] = { .name = "dp4", .nsrc = 2, .ndst = 1 },
  57     [BRW_OPCODE_DPH] = { .name = "dph", .nsrc = 2, .ndst = 1 },
  58     [BRW_OPCODE_DP3] = { .name = "dp3", .nsrc = 2, .ndst = 1 },
  59     [BRW_OPCODE_DP2] = { .name = "dp2", .nsrc = 2, .ndst = 1 },
  60     [BRW_OPCODE_MATH] = { .name = "math", .nsrc = 2, .ndst = 1 },
  61
  62     [BRW_OPCODE_AVG] = { .name = "avg", .nsrc = 2, .ndst = 1 },
  63     [BRW_OPCODE_ADD] = { .name = "add", .nsrc = 2, .ndst = 1 },
  64     [BRW_OPCODE_SEL] = { .name = "sel", .nsrc = 2, .ndst = 1 },
  65     [BRW_OPCODE_AND] = { .name = "and", .nsrc = 2, .ndst = 1 },
  66     [BRW_OPCODE_OR] = { .name = "or", .nsrc = 2, .ndst = 1 },
  67     [BRW_OPCODE_XOR] = { .name = "xor", .nsrc = 2, .ndst = 1 },
  68     [BRW_OPCODE_SHR] = { .name = "shr", .nsrc = 2, .ndst = 1 },
  69     [BRW_OPCODE_SHL] = { .name = "shl", .nsrc = 2, .ndst = 1 },
  70     [BRW_OPCODE_ASR] = { .name = "asr", .nsrc = 2, .ndst = 1 },
  71     [BRW_OPCODE_CMP] = { .name = "cmp", .nsrc = 2, .ndst = 1 },
  72     [BRW_OPCODE_CMPN] = { .name = "cmpn", .nsrc = 2, .ndst = 1 },
  73
  74     [BRW_OPCODE_SEND] = { .name = "send", .nsrc = 1, .ndst = 1 },
  75     [BRW_OPCODE_SENDC] = { .name = "sendc", .nsrc = 1, .ndst = 1 },
  76     [BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
  77     [BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 1, .ndst = 0 },
  78     [BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
  79     [BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 2, .ndst = 1 },
  80     [BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 2, .ndst = 0 },
  81     [BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 2, .ndst = 0 },
  82     [BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 2, .ndst = 0 },
  83     [BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
  84     [BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
  85     [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
  86     [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
  87     [BRW_OPCODE_MRESTORE] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
  88     [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
  89     [BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
  90     [BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
  91     [BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 2, .ndst = 0 },
  92 };
  93
  94 char *conditional_modifier[16] = {
  95     [BRW_CONDITIONAL_NONE] = "",
  96     [BRW_CONDITIONAL_Z] = ".e",
  97     [BRW_CONDITIONAL_NZ] = ".ne",
  98     [BRW_CONDITIONAL_G] = ".g",
  99     [BRW_CONDITIONAL_GE] = ".ge",
 100     [BRW_CONDITIONAL_L] = ".l",
 101     [BRW_CONDITIONAL_LE] = ".le",
 102     [BRW_CONDITIONAL_R] = ".r",
 103     [BRW_CONDITIONAL_O] = ".o",
 104     [BRW_CONDITIONAL_U] = ".u",
 105 };
 106
 107 char *negate[2] = {
 108     [0] = "",
 109     [1] = "-",
 110 };
 111
 112 char *_abs[2] = {
 113     [0] = "",
 114     [1] = "(abs)",
 115 };
 116
 117 char *vert_stride[16] = {
 118     [0] = "0",
 119     [1] = "1",
 120     [2] = "2",
 121     [3] = "4",
 122     [4] = "8",
 123     [5] = "16",
 124     [6] = "32",
 125     [15] = "VxH",
 126 };
 127
 128 char *width[8] = {
 129     [0] = "1",
 130     [1] = "2",
 131     [2] = "4",
 132     [3] = "8",
 133     [4] = "16",
 134 };
 135
 136 char *horiz_stride[4] = {
 137     [0] = "0",
 138     [1] = "1",
 139     [2] = "2",
 140     [3] = "4"
 141 };
 142
 143 char *chan_sel[4] = {
 144     [0] = "x",
 145     [1] = "y",
 146     [2] = "z",
 147     [3] = "w",
 148 };
 149
 150 char *dest_condmod[16] = {
 151 };
 152
 153 char *debug_ctrl[2] = {
 154     [0] = "",
 155     [1] = ".breakpoint"
 156 };
 157
 158 char *saturate[2] = {
 159     [0] = "",
 160     [1] = ".sat"
 161 };
 162
 163 char *accwr[2] = {
 164     [0] = "",
 165     [1] = "AccWrEnable"
 166 };
 167
 168 char *wectrl[2] = {
 169     [0] = "WE_normal",
 170     [1] = "WE_all"
 171 };
 172
 173 char *exec_size[8] = {
 174     [0] = "1",
 175     [1] = "2",
 176     [2] = "4",
 177     [3] = "8",
 178     [4] = "16",
 179     [5] = "32"
 180 };
 181
 182 char *pred_inv[2] = {
 183     [0] = "+",
 184     [1] = "-"
 185 };
 186
 187 char *pred_ctrl_align16[16] = {
 188     [1] = "",
 189     [2] = ".x",
 190     [3] = ".y",
 191     [4] = ".z",
 192     [5] = ".w",
 193     [6] = ".any4h",
 194     [7] = ".all4h",
 195 };
 196
 197 char *pred_ctrl_align1[16] = {
 198     [1] = "",
 199     [2] = ".anyv",
 200     [3] = ".allv",
 201     [4] = ".any2h",
 202     [5] = ".all2h",
 203     [6] = ".any4h",
 204     [7] = ".all4h",
 205     [8] = ".any8h",
 206     [9] = ".all8h",
 207     [10] = ".any16h",
 208     [11] = ".all16h",
 209 };
 210
 211 char *thread_ctrl[4] = {
 212     [0] = "",
 213     [2] = "switch"
 214 };
 215
 216 char *compr_ctrl[4] = {
 217     [0] = "",
 218     [1] = "sechalf",
 219     [2] = "compr",
 220     [3] = "compr4",
 221 };
 222
 223 char *dep_ctrl[4] = {
 224     [0] = "",
 225     [1] = "NoDDClr",
 226     [2] = "NoDDChk",
 227     [3] = "NoDDClr,NoDDChk",
 228 };
 229
 230 char *mask_ctrl[4] = {
 231     [0] = "",
 232     [1] = "nomask",
 233 };
 234
 235 char *access_mode[2] = {
 236     [0] = "align1",
 237     [1] = "align16",
 238 };
 239
 240 char *reg_encoding[8] = {
 241     [0] = "UD",
 242     [1] = "D",
 243     [2] = "UW",
 244     [3] = "W",
 245     [4] = "UB",
 246     [5] = "B",
 247     [7] = "F"
 248 };
 249
 250 int reg_type_size[8] = {
 251     [0] = 4,
 252     [1] = 4,
 253     [2] = 2,
 254     [3] = 2,
 255     [4] = 1,
 256     [5] = 1,
 257     [7] = 4
 258 };
 259
 260 char *imm_encoding[8] = {
 261     [0] = "UD",
 262     [1] = "D",
 263     [2] = "UW",
 264     [3] = "W",
 265     [5] = "VF",
 266     [6] = "V",
 267     [7] = "F"
 268 };
 269
 270 char *reg_file[4] = {
 271     [0] = "A",
 272     [1] = "g",
 273     [2] = "m",
 274     [3] = "imm",
 275 };
 276
 277 char *writemask[16] = {
 278     [0x0] = ".",
 279     [0x1] = ".x",
 280     [0x2] = ".y",
 281     [0x3] = ".xy",
 282     [0x4] = ".z",
 283     [0x5] = ".xz",
 284     [0x6] = ".yz",
 285     [0x7] = ".xyz",
 286     [0x8] = ".w",
 287     [0x9] = ".xw",
 288     [0xa] = ".yw",
 289     [0xb] = ".xyw",
 290     [0xc] = ".zw",
 291     [0xd] = ".xzw",
 292     [0xe] = ".yzw",
 293     [0xf] = "",
 294 };
 295
 296 char *end_of_thread[2] = {
 297     [0] = "",
 298     [1] = "EOT"
 299 };
 300
 301 char *target_function[16] = {
 302     [BRW_SFID_NULL] = "null",
 303     [BRW_SFID_MATH] = "math",
 304     [BRW_SFID_SAMPLER] = "sampler",
 305     [BRW_SFID_MESSAGE_GATEWAY] = "gateway",
 306     [BRW_SFID_DATAPORT_READ] = "read",
 307     [BRW_SFID_DATAPORT_WRITE] = "write",
 308     [BRW_SFID_URB] = "urb",
 309     [BRW_SFID_THREAD_SPAWNER] = "thread_spawner"
 310 };
 311
 312 char *target_function_gen6[16] = {
 313     [BRW_SFID_NULL] = "null",
 314     [BRW_SFID_MATH] = "math",
 315     [BRW_SFID_SAMPLER] = "sampler",
 316     [BRW_SFID_MESSAGE_GATEWAY] = "gateway",
 317     [BRW_SFID_URB] = "urb",
 318     [BRW_SFID_THREAD_SPAWNER] = "thread_spawner",
 319     [GEN6_SFID_DATAPORT_SAMPLER_CACHE] = "sampler",
 320     [GEN6_SFID_DATAPORT_RENDER_CACHE] = "render",
 321     [GEN6_SFID_DATAPORT_CONSTANT_CACHE] = "const",
 322     [GEN7_SFID_DATAPORT_DATA_CACHE] = "data"
 323 };
 324
 325 char *dp_rc_msg_type_gen6[16] = {
 326     [BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ] = "OWORD block read",
 327     [GEN6_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ] = "RT UNORM read",
 328     [GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ] = "OWORD dual block read",
 329     [GEN6_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ] = "media block read",
 330     [GEN6_DATAPORT_READ_MESSAGE_OWORD_UNALIGN_BLOCK_READ] = "OWORD unaligned block read",
 331     [GEN6_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ] = "DWORD scattered read",
 332     [GEN6_DATAPORT_WRITE_MESSAGE_DWORD_ATOMIC_WRITE] = "DWORD atomic write",
 333     [GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE] = "OWORD block write",
 334     [GEN6_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE] = "OWORD dual block write",
 335     [GEN6_DATAPORT_WRITE_MESSAGE_MEDIA_BLOCK_WRITE] = "media block write",
 336     [GEN6_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE] = "DWORD scattered write",
 337     [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE] = "RT write",
 338     [GEN6_DATAPORT_WRITE_MESSAGE_STREAMED_VB_WRITE] = "streamed VB write",
 339     [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_UNORM_WRITE] = "RT UNORMc write",
 340 };
 341
 342 char *math_function[16] = {
 343     [BRW_MATH_FUNCTION_INV] = "inv",
 344     [BRW_MATH_FUNCTION_LOG] = "log",
 345     [BRW_MATH_FUNCTION_EXP] = "exp",
 346     [BRW_MATH_FUNCTION_SQRT] = "sqrt",
 347     [BRW_MATH_FUNCTION_RSQ] = "rsq",
 348     [BRW_MATH_FUNCTION_SIN] = "sin",
 349     [BRW_MATH_FUNCTION_COS] = "cos",
 350     [BRW_MATH_FUNCTION_SINCOS] = "sincos",
 351     [BRW_MATH_FUNCTION_TAN] = "tan",
 352     [BRW_MATH_FUNCTION_POW] = "pow",
 353     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
 354     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intdiv",
 355     [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intmod",
 356 };
 357
 358 char *math_saturate[2] = {
 359     [0] = "",
 360     [1] = "sat"
 361 };
 362
 363 char *math_signed[2] = {
 364     [0] = "",
 365     [1] = "signed"
 366 };
 367
 368 char *math_scalar[2] = {
 369     [0] = "",
 370     [1] = "scalar"
 371 };
 372
 373 char *math_precision[2] = {
 374     [0] = "",
 375     [1] = "partial_precision"
 376 };
 377
 378 char *urb_opcode[2] = {
 379     [0] = "urb_write",
 380     [1] = "ff_sync",
 381 };
 382
 383 char *urb_swizzle[4] = {
 384     [BRW_URB_SWIZZLE_NONE] = "",
 385     [BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
 386     [BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
 387 };
 388
 389 char *urb_allocate[2] = {
 390     [0] = "",
 391     [1] = "allocate"
 392 };
 393
 394 char *urb_used[2] = {
 395     [0] = "",
 396     [1] = "used"
 397 };
 398
 399 char *urb_complete[2] = {
 400     [0] = "",
 401     [1] = "complete"
 402 };
 403
 404 char *sampler_target_format[4] = {
 405     [0] = "F",
 406     [2] = "UD",
 407     [3] = "D"
 408 };
 409
 410
 411 static int column;
 412
 413 static int string (FILE *file, char *string)
 414 {
 415     fputs (string, file);
 416     column += strlen (string);
 417     return 0;
 418 }
 419
 420 static int format (FILE *f, char *format, ...)
 421 {
 422     char    buf[1024];
 423     va_list     args;
 424     va_start (args, format);
 425
 426     vsnprintf (buf, sizeof (buf) - 1, format, args);
 427     va_end (args);
 428     string (f, buf);
 429     return 0;
 430 }
 431
 432 static int newline (FILE *f)
 433 {
 434     putc ('\n', f);
 435     column = 0;
 436     return 0;
 437 }
 438
 439 static int pad (FILE *f, int c)
 440 {
 441     do
 442         string (f, " ");
 443     while (column < c);
 444     return 0;
 445 }
 446
 447 static int control (FILE *file, char *name, char *ctrl[], GLuint id, int *space)
 448 {
 449     if (!ctrl[id]) {
 450         fprintf (file, "*** invalid %s value %d ",
 451                  name, id);
 452         return 1;
 453     }
 454     if (ctrl[id][0])
 455     {
 456         if (space && *space)
 457             string (file, " ");
 458         string (file, ctrl[id]);
 459         if (space)
 460             *space = 1;
 461     }
 462     return 0;
 463 }
 464
 465 static int print_opcode (FILE *file, int id)
 466 {
 467     if (!opcode[id].name) {
 468         format (file, "*** invalid opcode value %d ", id);
 469         return 1;
 470     }
 471     string (file, opcode[id].name);
 472     return 0;
 473 }
 474
 475 static int reg (FILE *file, GLuint _reg_file, GLuint _reg_nr)
 476 {
 477     int err = 0;
 478
 479     /* Clear the Compr4 instruction compression bit. */
 480     if (_reg_file == BRW_MESSAGE_REGISTER_FILE)
 481        _reg_nr &= ~(1 << 7);
 482
 483     if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
 484         switch (_reg_nr & 0xf0) {
 485         case BRW_ARF_NULL:
 486             string (file, "null");
 487             return -1;
 488         case BRW_ARF_ADDRESS:
 489             format (file, "a%d", _reg_nr & 0x0f);
 490             break;
 491         case BRW_ARF_ACCUMULATOR:
 492             format (file, "acc%d", _reg_nr & 0x0f);
 493             break;
 494         case BRW_ARF_FLAG:
 495             format (file, "f%d", _reg_nr & 0x0f);
 496             break;
 497         case BRW_ARF_MASK:
 498             format (file, "mask%d", _reg_nr & 0x0f);
 499             break;
 500         case BRW_ARF_MASK_STACK:
 501             format (file, "msd%d", _reg_nr & 0x0f);
 502             break;
 503         case BRW_ARF_STATE:
 504             format (file, "sr%d", _reg_nr & 0x0f);
 505             break;
 506         case BRW_ARF_CONTROL:
 507             format (file, "cr%d", _reg_nr & 0x0f);
 508             break;
 509         case BRW_ARF_NOTIFICATION_COUNT:
 510             format (file, "n%d", _reg_nr & 0x0f);
 511             break;
 512         case BRW_ARF_IP:
 513             string (file, "ip");
 514             return -1;
 515             break;
 516         default:
 517             format (file, "ARF%d", _reg_nr);
 518             break;
 519         }
 520     } else {
 521         err  |= control (file, "src reg file", reg_file, _reg_file, NULL);
 522         format (file, "%d", _reg_nr);
 523     }
 524     return err;
 525 }
 526
 527 static int dest (FILE *file, struct brw_instruction *inst)
 528 {
 529     int err = 0;
 530
 531     if (inst->header.access_mode == BRW_ALIGN_1)
 532     {
 533         if (inst->bits1.da1.dest_address_mode == BRW_ADDRESS_DIRECT)
 534         {
 535             err |= reg (file, inst->bits1.da1.dest_reg_file, inst->bits1.da1.dest_reg_nr);
 536             if (err == -1)
 537                 return 0;
 538             if (inst->bits1.da1.dest_subreg_nr)
 539                 format (file, ".%d", inst->bits1.da1.dest_subreg_nr /
 540                                      reg_type_size[inst->bits1.da1.dest_reg_type]);
 541             format (file, "<%d>", inst->bits1.da1.dest_horiz_stride);
 542             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da1.dest_reg_type, NULL);
 543         }
 544         else
 545         {
 546             string (file, "g[a0");
 547             if (inst->bits1.ia1.dest_subreg_nr)
 548                 format (file, ".%d", inst->bits1.ia1.dest_subreg_nr /
 549                                         reg_type_size[inst->bits1.ia1.dest_reg_type]);
 550             if (inst->bits1.ia1.dest_indirect_offset)
 551                 format (file, " %d", inst->bits1.ia1.dest_indirect_offset);
 552             string (file, "]");
 553             format (file, "<%d>", inst->bits1.ia1.dest_horiz_stride);
 554             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.ia1.dest_reg_type, NULL);
 555         }
 556     }
 557     else
 558     {
 559         if (inst->bits1.da16.dest_address_mode == BRW_ADDRESS_DIRECT)
 560         {
 561             err |= reg (file, inst->bits1.da16.dest_reg_file, inst->bits1.da16.dest_reg_nr);
 562             if (err == -1)
 563                 return 0;
 564             if (inst->bits1.da16.dest_subreg_nr)
 565                 format (file, ".%d", inst->bits1.da16.dest_subreg_nr /
 566                                      reg_type_size[inst->bits1.da16.dest_reg_type]);
 567             string (file, "<1>");
 568             err |= control (file, "writemask", writemask, inst->bits1.da16.dest_writemask, NULL);
 569             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da16.dest_reg_type, NULL);
 570         }
 571         else
 572         {
 573             err = 1;
 574             string (file, "Indirect align16 address mode not supported");
 575         }
 576     }
 577
 578     return 0;
 579 }
 580
 581 static int src_align1_region (FILE *file,
 582                               GLuint _vert_stride, GLuint _width, GLuint _horiz_stride)
 583 {
 584     int err = 0;
 585     string (file, "<");
 586     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 587     string (file, ",");
 588     err |= control (file, "width", width, _width, NULL);
 589     string (file, ",");
 590     err |= control (file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
 591     string (file, ">");
 592     return err;
 593 }
 594
 595 static int src_da1 (FILE *file, GLuint type, GLuint _reg_file,
 596                     GLuint _vert_stride, GLuint _width, GLuint _horiz_stride,
 597                     GLuint reg_num, GLuint sub_reg_num, GLuint __abs, GLuint _negate)
 598 {
 599     int err = 0;
 600     err |= control (file, "negate", negate, _negate, NULL);
 601     err |= control (file, "abs", _abs, __abs, NULL);
 602
 603     err |= reg (file, _reg_file, reg_num);
 604     if (err == -1)
 605         return 0;
 606     if (sub_reg_num)
 607         format (file, ".%d", sub_reg_num / reg_type_size[type]); /* use formal style like spec */
 608     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 609     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 610     return err;
 611 }
 612
 613 static int src_ia1 (FILE *file,
 614                     GLuint type,
 615                     GLuint _reg_file,
 616                     GLint _addr_imm,
 617                     GLuint _addr_subreg_nr,
 618                     GLuint _negate,
 619                     GLuint __abs,
 620                     GLuint _addr_mode,
 621                     GLuint _horiz_stride,
 622                     GLuint _width,
 623                     GLuint _vert_stride)
 624 {
 625     int err = 0;
 626     err |= control (file, "negate", negate, _negate, NULL);
 627     err |= control (file, "abs", _abs, __abs, NULL);
 628
 629     string (file, "g[a0");
 630     if (_addr_subreg_nr)
 631         format (file, ".%d", _addr_subreg_nr);
 632     if (_addr_imm)
 633         format (file, " %d", _addr_imm);
 634     string (file, "]");
 635     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 636     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 637     return err;
 638 }
 639
 640 static int src_da16 (FILE *file,
 641                      GLuint _reg_type,
 642                      GLuint _reg_file,
 643                      GLuint _vert_stride,
 644                      GLuint _reg_nr,
 645                      GLuint _subreg_nr,
 646                      GLuint __abs,
 647                      GLuint _negate,
 648                      GLuint swz_x,
 649                      GLuint swz_y,
 650                      GLuint swz_z,
 651                      GLuint swz_w)
 652 {
 653     int err = 0;
 654     err |= control (file, "negate", negate, _negate, NULL);
 655     err |= control (file, "abs", _abs, __abs, NULL);
 656
 657     err |= reg (file, _reg_file, _reg_nr);
 658     if (err == -1)
 659         return 0;
 660     if (_subreg_nr)
 661         /* bit4 for subreg number byte addressing. Make this same meaning as
 662            in da1 case, so output looks consistent. */
 663         format (file, ".%d", 16 / reg_type_size[_reg_type]);
 664     string (file, "<");
 665     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 666     string (file, ",4,1>");
 667     /*
 668      * Three kinds of swizzle display:
 669      *  identity - nothing printed
 670      *  1->all   - print the single channel
 671      *  1->1     - print the mapping
 672      */
 673     if (swz_x == BRW_CHANNEL_X &&
 674         swz_y == BRW_CHANNEL_Y &&
 675         swz_z == BRW_CHANNEL_Z &&
 676         swz_w == BRW_CHANNEL_W)
 677     {
 678         ;
 679     }
 680     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
 681     {
 682         string (file, ".");
 683         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 684     }
 685     else
 686     {
 687         string (file, ".");
 688         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 689         err |= control (file, "channel select", chan_sel, swz_y, NULL);
 690         err |= control (file, "channel select", chan_sel, swz_z, NULL);
 691         err |= control (file, "channel select", chan_sel, swz_w, NULL);
 692     }
 693     err |= control (file, "src da16 reg type", reg_encoding, _reg_type, NULL);
 694     return err;
 695 }
 696
 697
 698 static int imm (FILE *file, GLuint type, struct brw_instruction *inst) {
 699     switch (type) {
 700     case BRW_REGISTER_TYPE_UD:
 701         format (file, "0x%08xUD", inst->bits3.ud);
 702         break;
 703     case BRW_REGISTER_TYPE_D:
 704         format (file, "%dD", inst->bits3.d);
 705         break;
 706     case BRW_REGISTER_TYPE_UW:
 707         format (file, "0x%04xUW", (uint16_t) inst->bits3.ud);
 708         break;
 709     case BRW_REGISTER_TYPE_W:
 710         format (file, "%dW", (int16_t) inst->bits3.d);
 711         break;
 712     case BRW_REGISTER_TYPE_UB:
 713         format (file, "0x%02xUB", (int8_t) inst->bits3.ud);
 714         break;
 715     case BRW_REGISTER_TYPE_VF:
 716         format (file, "Vector Float");
 717         break;
 718     case BRW_REGISTER_TYPE_V:
 719         format (file, "0x%08xV", inst->bits3.ud);
 720         break;
 721     case BRW_REGISTER_TYPE_F:
 722         format (file, "%-gF", inst->bits3.f);
 723     }
 724     return 0;
 725 }
 726
 727 static int src0 (FILE *file, struct brw_instruction *inst)
 728 {
 729     if (inst->bits1.da1.src0_reg_file == BRW_IMMEDIATE_VALUE)
 730         return imm (file, inst->bits1.da1.src0_reg_type,
 731                     inst);
 732     else if (inst->header.access_mode == BRW_ALIGN_1)
 733     {
 734         if (inst->bits2.da1.src0_address_mode == BRW_ADDRESS_DIRECT)
 735         {
 736             return src_da1 (file,
 737                             inst->bits1.da1.src0_reg_type,
 738                             inst->bits1.da1.src0_reg_file,
 739                             inst->bits2.da1.src0_vert_stride,
 740                             inst->bits2.da1.src0_width,
 741                             inst->bits2.da1.src0_horiz_stride,
 742                             inst->bits2.da1.src0_reg_nr,
 743                             inst->bits2.da1.src0_subreg_nr,
 744                             inst->bits2.da1.src0_abs,
 745                             inst->bits2.da1.src0_negate);
 746         }
 747         else
 748         {
 749             return src_ia1 (file,
 750                             inst->bits1.ia1.src0_reg_type,
 751                             inst->bits1.ia1.src0_reg_file,
 752                             inst->bits2.ia1.src0_indirect_offset,
 753                             inst->bits2.ia1.src0_subreg_nr,
 754                             inst->bits2.ia1.src0_negate,
 755                             inst->bits2.ia1.src0_abs,
 756                             inst->bits2.ia1.src0_address_mode,
 757                             inst->bits2.ia1.src0_horiz_stride,
 758                             inst->bits2.ia1.src0_width,
 759                             inst->bits2.ia1.src0_vert_stride);
 760         }
 761     }
 762     else
 763     {
 764         if (inst->bits2.da16.src0_address_mode == BRW_ADDRESS_DIRECT)
 765         {
 766             return src_da16 (file,
 767                              inst->bits1.da16.src0_reg_type,
 768                              inst->bits1.da16.src0_reg_file,
 769                              inst->bits2.da16.src0_vert_stride,
 770                              inst->bits2.da16.src0_reg_nr,
 771                              inst->bits2.da16.src0_subreg_nr,
 772                              inst->bits2.da16.src0_abs,
 773                              inst->bits2.da16.src0_negate,
 774                              inst->bits2.da16.src0_swz_x,
 775                              inst->bits2.da16.src0_swz_y,
 776                              inst->bits2.da16.src0_swz_z,
 777                              inst->bits2.da16.src0_swz_w);
 778         }
 779         else
 780         {
 781             string (file, "Indirect align16 address mode not supported");
 782             return 1;
 783         }
 784     }
 785 }
 786
 787 static int src1 (FILE *file, struct brw_instruction *inst)
 788 {
 789     if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
 790         return imm (file, inst->bits1.da1.src1_reg_type,
 791                     inst);
 792     else if (inst->header.access_mode == BRW_ALIGN_1)
 793     {
 794         if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
 795         {
 796             return src_da1 (file,
 797                             inst->bits1.da1.src1_reg_type,
 798                             inst->bits1.da1.src1_reg_file,
 799                             inst->bits3.da1.src1_vert_stride,
 800                             inst->bits3.da1.src1_width,
 801                             inst->bits3.da1.src1_horiz_stride,
 802                             inst->bits3.da1.src1_reg_nr,
 803                             inst->bits3.da1.src1_subreg_nr,
 804                             inst->bits3.da1.src1_abs,
 805                             inst->bits3.da1.src1_negate);
 806         }
 807         else
 808         {
 809             return src_ia1 (file,
 810                             inst->bits1.ia1.src1_reg_type,
 811                             inst->bits1.ia1.src1_reg_file,
 812                             inst->bits3.ia1.src1_indirect_offset,
 813                             inst->bits3.ia1.src1_subreg_nr,
 814                             inst->bits3.ia1.src1_negate,
 815                             inst->bits3.ia1.src1_abs,
 816                             inst->bits3.ia1.src1_address_mode,
 817                             inst->bits3.ia1.src1_horiz_stride,
 818                             inst->bits3.ia1.src1_width,
 819                             inst->bits3.ia1.src1_vert_stride);
 820         }
 821     }
 822     else
 823     {
 824         if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
 825         {
 826             return src_da16 (file,
 827                              inst->bits1.da16.src1_reg_type,
 828                              inst->bits1.da16.src1_reg_file,
 829                              inst->bits3.da16.src1_vert_stride,
 830                              inst->bits3.da16.src1_reg_nr,
 831                              inst->bits3.da16.src1_subreg_nr,
 832                              inst->bits3.da16.src1_abs,
 833                              inst->bits3.da16.src1_negate,
 834                              inst->bits3.da16.src1_swz_x,
 835                              inst->bits3.da16.src1_swz_y,
 836                              inst->bits3.da16.src1_swz_z,
 837                              inst->bits3.da16.src1_swz_w);
 838         }
 839         else
 840         {
 841             string (file, "Indirect align16 address mode not supported");
 842             return 1;
 843         }
 844     }
 845 }
 846
 847 int esize[6] = {
 848         [0] = 1,
 849         [1] = 2,
 850         [2] = 4,
 851         [3] = 8,
 852         [4] = 16,
 853         [5] = 32,
 854 };
 855
 856 static int qtr_ctrl(FILE *file, struct brw_instruction *inst)
 857 {
 858     int qtr_ctl = inst->header.compression_control;
 859     int exec_size = esize[inst->header.execution_size];
 860
 861     if (exec_size == 8) {
 862         switch (qtr_ctl) {
 863         case 0:
 864             string (file, " 1Q");
 865             break;
 866         case 1:
 867             string (file, " 2Q");
 868             break;
 869         case 2:
 870             string (file, " 3Q");
 871             break;
 872         case 3:
 873             string (file, " 4Q");
 874             break;
 875         }
 876     } else if (exec_size == 16){
 877         if (qtr_ctl < 2)
 878             string (file, " 1H");
 879         else
 880             string (file, " 2H");
 881     }
 882     return 0;
 883 }
 884
 885 int brw_disasm (FILE *file, struct brw_instruction *inst, int gen)
 886 {
 887     int err = 0;
 888     int space = 0;
 889
 890     if (inst->header.predicate_control) {
 891         string (file, "(");
 892         err |= control (file, "predicate inverse", pred_inv, inst->header.predicate_inverse, NULL);
 893         string (file, "f0");
 894         if (inst->bits2.da1.flag_reg_nr)
 895             format (file, ".%d", inst->bits2.da1.flag_reg_nr);
 896         if (inst->header.access_mode == BRW_ALIGN_1)
 897             err |= control (file, "predicate control align1", pred_ctrl_align1,
 898                             inst->header.predicate_control, NULL);
 899         else
 900             err |= control (file, "predicate control align16", pred_ctrl_align16,
 901                             inst->header.predicate_control, NULL);
 902         string (file, ") ");
 903     }
 904
 905     err |= print_opcode (file, inst->header.opcode);
 906     err |= control (file, "saturate", saturate, inst->header.saturate, NULL);
 907     err |= control (file, "debug control", debug_ctrl, inst->header.debug_control, NULL);
 908
 909     if (inst->header.opcode == BRW_OPCODE_MATH) {
 910         string (file, " ");
 911         err |= control (file, "function", math_function,
 912                         inst->header.destreg__conditionalmod, NULL);
 913     } else if (inst->header.opcode != BRW_OPCODE_SEND &&
 914                inst->header.opcode != BRW_OPCODE_SENDC)
 915         err |= control (file, "conditional modifier", conditional_modifier,
 916                         inst->header.destreg__conditionalmod, NULL);
 917
 918     if (inst->header.opcode != BRW_OPCODE_NOP) {
 919         string (file, "(");
 920         err |= control (file, "execution size", exec_size, inst->header.execution_size, NULL);
 921         string (file, ")");
 922     }
 923
 924     if (inst->header.opcode == BRW_OPCODE_SEND && gen < 6)
 925         format (file, " %d", inst->header.destreg__conditionalmod);
 926
 927     if (opcode[inst->header.opcode].ndst > 0) {
 928         pad (file, 16);
 929         err |= dest (file, inst);
 930     } else if (gen >= 6 && (inst->header.opcode == BRW_OPCODE_IF ||
 931                             inst->header.opcode == BRW_OPCODE_ELSE ||
 932                             inst->header.opcode == BRW_OPCODE_ENDIF ||
 933                             inst->header.opcode == BRW_OPCODE_WHILE)) {
 934        format (file, " %d", inst->bits1.branch_gen6.jump_count);
 935     }
 936
 937     if (opcode[inst->header.opcode].nsrc > 0) {
 938         pad (file, 32);
 939         err |= src0 (file, inst);
 940     }
 941     if (opcode[inst->header.opcode].nsrc > 1) {
 942         pad (file, 48);
 943         err |= src1 (file, inst);
 944     }
 945
 946     if (inst->header.opcode == BRW_OPCODE_SEND ||
 947         inst->header.opcode == BRW_OPCODE_SENDC) {
 948         enum brw_message_target target;
 949
 950         if (gen >= 6)
 951             target = inst->header.destreg__conditionalmod;
 952         else if (gen == 5)
 953             target = inst->bits2.send_gen5.sfid;
 954         else
 955             target = inst->bits3.generic.msg_target;
 956
 957         newline (file);
 958         pad (file, 16);
 959         space = 0;
 960
 961         if (gen >= 6) {
 962            err |= control (file, "target function", target_function_gen6,
 963                            target, &space);
 964         } else {
 965            err |= control (file, "target function", target_function,
 966                            target, &space);
 967         }
 968
 969         switch (target) {
 970         case BRW_SFID_MATH:
 971             err |= control (file, "math function", math_function,
 972                             inst->bits3.math.function, &space);
 973             err |= control (file, "math saturate", math_saturate,
 974                             inst->bits3.math.saturate, &space);
 975             err |= control (file, "math signed", math_signed,
 976                             inst->bits3.math.int_type, &space);
 977             err |= control (file, "math scalar", math_scalar,
 978                             inst->bits3.math.data_type, &space);
 979             err |= control (file, "math precision", math_precision,
 980                             inst->bits3.math.precision, &space);
 981             break;
 982         case BRW_SFID_SAMPLER:
 983             if (gen >= 5) {
 984                 format (file, " (%d, %d, %d, %d)",
 985                         inst->bits3.sampler_gen5.binding_table_index,
 986                         inst->bits3.sampler_gen5.sampler,
 987                         inst->bits3.sampler_gen5.msg_type,
 988                         inst->bits3.sampler_gen5.simd_mode);
 989             } else if (0 /* FINISHME: is_g4x */) {
 990                 format (file, " (%d, %d)",
 991                         inst->bits3.sampler_g4x.binding_table_index,
 992                         inst->bits3.sampler_g4x.sampler);
 993             } else {
 994                 format (file, " (%d, %d, ",
 995                         inst->bits3.sampler.binding_table_index,
 996                         inst->bits3.sampler.sampler);
 997                 err |= control (file, "sampler target format",
 998                                 sampler_target_format,
 999                                 inst->bits3.sampler.return_format, NULL);
1000                 string (file, ")");
1001             }
1002             break;
1003         case BRW_SFID_DATAPORT_READ:
1004             if (gen >= 6) {
1005                 format (file, " (%d, %d, %d, %d)",
1006                         inst->bits3.gen6_dp.binding_table_index,
1007                         inst->bits3.gen6_dp.msg_control,
1008                         inst->bits3.gen6_dp.msg_type,
1009                         inst->bits3.gen6_dp.send_commit_msg);
1010             } else if (gen >= 5 /* FINISHME: || is_g4x */) {
1011                 format (file, " (%d, %d, %d)",
1012                         inst->bits3.dp_read_gen5.binding_table_index,
1013                         inst->bits3.dp_read_gen5.msg_control,
1014                         inst->bits3.dp_read_gen5.msg_type);
1015             } else {
1016                 format (file, " (%d, %d, %d)",
1017                         inst->bits3.dp_read.binding_table_index,
1018                         inst->bits3.dp_read.msg_control,
1019                         inst->bits3.dp_read.msg_type);
1020             }
1021             break;
1022
1023         case BRW_SFID_DATAPORT_WRITE:
1024             if (gen >= 6) {
1025                 format (file, " (");
1026
1027                 err |= control (file, "DP rc message type",
1028                                 dp_rc_msg_type_gen6,
1029                                 inst->bits3.gen6_dp.msg_type, &space);
1030
1031                 format (file, ", %d, %d, %d, %d)",
1032                         inst->bits3.gen6_dp.binding_table_index,
1033                         inst->bits3.gen6_dp.msg_control,
1034                         inst->bits3.gen6_dp.msg_type,
1035                         inst->bits3.gen6_dp.send_commit_msg);
1036             } else {
1037                 format (file, " (%d, %d, %d, %d)",
1038                         inst->bits3.dp_write.binding_table_index,
1039                         (inst->bits3.dp_write.last_render_target << 3) |
1040                         inst->bits3.dp_write.msg_control,
1041                         inst->bits3.dp_write.msg_type,
1042                         inst->bits3.dp_write.send_commit_msg);
1043             }
1044             break;
1045
1046         case BRW_SFID_URB:
1047             if (gen >= 5) {
1048                 format (file, " %d", inst->bits3.urb_gen5.offset);
1049             } else {
1050                 format (file, " %d", inst->bits3.urb.offset);
1051             }
1052
1053             space = 1;
1054             if (gen >= 5) {
1055                 err |= control (file, "urb opcode", urb_opcode,
1056                                 inst->bits3.urb_gen5.opcode, &space);
1057             }
1058             err |= control (file, "urb swizzle", urb_swizzle,
1059                             inst->bits3.urb.swizzle_control, &space);
1060             err |= control (file, "urb allocate", urb_allocate,
1061                             inst->bits3.urb.allocate, &space);
1062             err |= control (file, "urb used", urb_used,
1063                             inst->bits3.urb.used, &space);
1064             err |= control (file, "urb complete", urb_complete,
1065                             inst->bits3.urb.complete, &space);
1066             break;
1067         case BRW_SFID_THREAD_SPAWNER:
1068             break;
1069         case GEN7_SFID_DATAPORT_DATA_CACHE:
1070             format (file, " (%d, %d, %d)",
1071                     inst->bits3.gen7_dp.binding_table_index,
1072                     inst->bits3.gen7_dp.msg_control,
1073                     inst->bits3.gen7_dp.msg_type);
1074             break;
1075
1076
1077         default:
1078             format (file, "unsupported target %d", target);
1079             break;
1080         }
1081         if (space)
1082             string (file, " ");
1083         if (gen >= 5) {
1084            format (file, "mlen %d",
1085                    inst->bits3.generic_gen5.msg_length);
1086            format (file, " rlen %d",
1087                    inst->bits3.generic_gen5.response_length);
1088         } else {
1089            format (file, "mlen %d",
1090                    inst->bits3.generic.msg_length);
1091            format (file, " rlen %d",
1092                    inst->bits3.generic.response_length);
1093         }
1094     }
1095     pad (file, 64);
1096     if (inst->header.opcode != BRW_OPCODE_NOP) {
1097         string (file, "{");
1098         space = 1;
1099         err |= control(file, "access mode", access_mode, inst->header.access_mode, &space);
1100         if (gen >= 6)
1101             err |= control (file, "write enable control", wectrl, inst->header.mask_control, &space);
1102         else
1103             err |= control (file, "mask control", mask_ctrl, inst->header.mask_control, &space);
1104         err |= control (file, "dependency control", dep_ctrl, inst->header.dependency_control, &space);
1105
1106         if (gen >= 6)
1107             err |= qtr_ctrl (file, inst);
1108         else {
1109             if (inst->header.compression_control == BRW_COMPRESSION_COMPRESSED &&
1110                 opcode[inst->header.opcode].ndst > 0 &&
1111                 inst->bits1.da1.dest_reg_file == BRW_MESSAGE_REGISTER_FILE &&
1112                 inst->bits1.da1.dest_reg_nr & (1 << 7)) {
1113                 format (file, " compr4");
1114             } else {
1115                 err |= control (file, "compression control", compr_ctrl,
1116                                 inst->header.compression_control, &space);
1117             }
1118         }
1119
1120         err |= control (file, "thread control", thread_ctrl, inst->header.thread_control, &space);
1121         if (gen >= 6)
1122             err |= control (file, "acc write control", accwr, inst->header.acc_wr_control, &space);
1123         if (inst->header.opcode == BRW_OPCODE_SEND ||
1124             inst->header.opcode == BRW_OPCODE_SENDC)
1125             err |= control (file, "end of thread", end_of_thread,
1126                             inst->bits3.generic.end_of_thread, &space);
1127         if (space)
1128             string (file, " ");
1129         string (file, "}");
1130     }
1131     string (file, ";");
1132     newline (file);
1133     return err;
1134 }