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_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
  76     [BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 1, .ndst = 0 },
  77     [BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
  78     [BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 2, .ndst = 1 },
  79     [BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 2, .ndst = 0 },
  80     [BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 2, .ndst = 0 },
  81     [BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 2, .ndst = 0 },
  82     [BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
  83     [BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
  84     [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
  85     [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
  86     [BRW_OPCODE_MRESTORE] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
  87     [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
  88     [BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
  89     [BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
  90     [BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 2, .ndst = 0 },
  91 };
  92
  93 char *conditional_modifier[16] = {
  94     [BRW_CONDITIONAL_NONE] = "",
  95     [BRW_CONDITIONAL_Z] = ".e",
  96     [BRW_CONDITIONAL_NZ] = ".ne",
  97     [BRW_CONDITIONAL_G] = ".g",
  98     [BRW_CONDITIONAL_GE] = ".ge",
  99     [BRW_CONDITIONAL_L] = ".l",
 100     [BRW_CONDITIONAL_LE] = ".le",
 101     [BRW_CONDITIONAL_R] = ".r",
 102     [BRW_CONDITIONAL_O] = ".o",
 103     [BRW_CONDITIONAL_U] = ".u",
 104 };
 105
 106 char *negate[2] = {
 107     [0] = "",
 108     [1] = "-",
 109 };
 110
 111 char *_abs[2] = {
 112     [0] = "",
 113     [1] = "(abs)",
 114 };
 115
 116 char *vert_stride[16] = {
 117     [0] = "0",
 118     [1] = "1",
 119     [2] = "2",
 120     [3] = "4",
 121     [4] = "8",
 122     [5] = "16",
 123     [6] = "32",
 124     [15] = "VxH",
 125 };
 126
 127 char *width[8] = {
 128     [0] = "1",
 129     [1] = "2",
 130     [2] = "4",
 131     [3] = "8",
 132     [4] = "16",
 133 };
 134
 135 char *horiz_stride[4] = {
 136     [0] = "0",
 137     [1] = "1",
 138     [2] = "2",
 139     [3] = "4"
 140 };
 141
 142 char *chan_sel[4] = {
 143     [0] = "x",
 144     [1] = "y",
 145     [2] = "z",
 146     [3] = "w",
 147 };
 148
 149 char *dest_condmod[16] = {
 150 };
 151
 152 char *debug_ctrl[2] = {
 153     [0] = "",
 154     [1] = ".breakpoint"
 155 };
 156
 157 char *saturate[2] = {
 158     [0] = "",
 159     [1] = ".sat"
 160 };
 161
 162 char *exec_size[8] = {
 163     [0] = "1",
 164     [1] = "2",
 165     [2] = "4",
 166     [3] = "8",
 167     [4] = "16",
 168     [5] = "32"
 169 };
 170
 171 char *pred_inv[2] = {
 172     [0] = "+",
 173     [1] = "-"
 174 };
 175
 176 char *pred_ctrl_align16[16] = {
 177     [1] = "",
 178     [2] = ".x",
 179     [3] = ".y",
 180     [4] = ".z",
 181     [5] = ".w",
 182     [6] = ".any4h",
 183     [7] = ".all4h",
 184 };
 185
 186 char *pred_ctrl_align1[16] = {
 187     [1] = "",
 188     [2] = ".anyv",
 189     [3] = ".allv",
 190     [4] = ".any2h",
 191     [5] = ".all2h",
 192     [6] = ".any4h",
 193     [7] = ".all4h",
 194     [8] = ".any8h",
 195     [9] = ".all8h",
 196     [10] = ".any16h",
 197     [11] = ".all16h",
 198 };
 199
 200 char *thread_ctrl[4] = {
 201     [0] = "",
 202     [2] = "switch"
 203 };
 204
 205 char *compr_ctrl[4] = {
 206     [0] = "",
 207     [1] = "sechalf",
 208     [2] = "compr",
 209 };
 210
 211 char *dep_ctrl[4] = {
 212     [0] = "",
 213     [1] = "NoDDClr",
 214     [2] = "NoDDChk",
 215     [3] = "NoDDClr,NoDDChk",
 216 };
 217
 218 char *mask_ctrl[4] = {
 219     [0] = "",
 220     [1] = "nomask",
 221 };
 222
 223 char *access_mode[2] = {
 224     [0] = "align1",
 225     [1] = "align16",
 226 };
 227
 228 char *reg_encoding[8] = {
 229     [0] = "UD",
 230     [1] = "D",
 231     [2] = "UW",
 232     [3] = "W",
 233     [4] = "UB",
 234     [5] = "B",
 235     [7] = "F"
 236 };
 237
 238 char *imm_encoding[8] = {
 239     [0] = "UD",
 240     [1] = "D",
 241     [2] = "UW",
 242     [3] = "W",
 243     [5] = "VF",
 244     [6] = "V",
 245     [7] = "F"
 246 };
 247
 248 char *reg_file[4] = {
 249     [0] = "A",
 250     [1] = "g",
 251     [2] = "m",
 252     [3] = "imm",
 253 };
 254
 255 char *writemask[16] = {
 256     [0x0] = ".",
 257     [0x1] = ".x",
 258     [0x2] = ".y",
 259     [0x3] = ".xy",
 260     [0x4] = ".z",
 261     [0x5] = ".xz",
 262     [0x6] = ".yz",
 263     [0x7] = ".xyz",
 264     [0x8] = ".w",
 265     [0x9] = ".xw",
 266     [0xa] = ".yw",
 267     [0xb] = ".xyw",
 268     [0xc] = ".zw",
 269     [0xd] = ".xzw",
 270     [0xe] = ".yzw",
 271     [0xf] = "",
 272 };
 273
 274 char *end_of_thread[2] = {
 275     [0] = "",
 276     [1] = "EOT"
 277 };
 278
 279 char *target_function[16] = {
 280     [BRW_MESSAGE_TARGET_NULL] = "null",
 281     [BRW_MESSAGE_TARGET_MATH] = "math",
 282     [BRW_MESSAGE_TARGET_SAMPLER] = "sampler",
 283     [BRW_MESSAGE_TARGET_GATEWAY] = "gateway",
 284     [BRW_MESSAGE_TARGET_DATAPORT_READ] = "read",
 285     [BRW_MESSAGE_TARGET_DATAPORT_WRITE] = "write",
 286     [BRW_MESSAGE_TARGET_URB] = "urb",
 287     [BRW_MESSAGE_TARGET_THREAD_SPAWNER] = "thread_spawner"
 288 };
 289
 290 char *math_function[16] = {
 291     [BRW_MATH_FUNCTION_INV] = "inv",
 292     [BRW_MATH_FUNCTION_LOG] = "log",
 293     [BRW_MATH_FUNCTION_EXP] = "exp",
 294     [BRW_MATH_FUNCTION_SQRT] = "sqrt",
 295     [BRW_MATH_FUNCTION_RSQ] = "rsq",
 296     [BRW_MATH_FUNCTION_SIN] = "sin",
 297     [BRW_MATH_FUNCTION_COS] = "cos",
 298     [BRW_MATH_FUNCTION_SINCOS] = "sincos",
 299     [BRW_MATH_FUNCTION_TAN] = "tan",
 300     [BRW_MATH_FUNCTION_POW] = "pow",
 301     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
 302     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intmod",
 303     [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intdiv",
 304 };
 305
 306 char *math_saturate[2] = {
 307     [0] = "",
 308     [1] = "sat"
 309 };
 310
 311 char *math_signed[2] = {
 312     [0] = "",
 313     [1] = "signed"
 314 };
 315
 316 char *math_scalar[2] = {
 317     [0] = "",
 318     [1] = "scalar"
 319 };
 320
 321 char *math_precision[2] = {
 322     [0] = "",
 323     [1] = "partial_precision"
 324 };
 325
 326 char *urb_opcode[2] = {
 327     [0] = "urb_write",
 328     [1] = "ff_sync",
 329 };
 330
 331 char *urb_swizzle[4] = {
 332     [BRW_URB_SWIZZLE_NONE] = "",
 333     [BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
 334     [BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
 335 };
 336
 337 char *urb_allocate[2] = {
 338     [0] = "",
 339     [1] = "allocate"
 340 };
 341
 342 char *urb_used[2] = {
 343     [0] = "",
 344     [1] = "used"
 345 };
 346
 347 char *urb_complete[2] = {
 348     [0] = "",
 349     [1] = "complete"
 350 };
 351
 352 char *sampler_target_format[4] = {
 353     [0] = "F",
 354     [2] = "UD",
 355     [3] = "D"
 356 };
 357
 358
 359 static int column;
 360
 361 static int string (FILE *file, char *string)
 362 {
 363     fputs (string, file);
 364     column += strlen (string);
 365     return 0;
 366 }
 367
 368 static int format (FILE *f, char *format, ...)
 369 {
 370     char    buf[1024];
 371     va_list     args;
 372     va_start (args, format);
 373
 374     vsnprintf (buf, sizeof (buf) - 1, format, args);
 375     va_end (args);
 376     string (f, buf);
 377     return 0;
 378 }
 379
 380 static int newline (FILE *f)
 381 {
 382     putc ('\n', f);
 383     column = 0;
 384     return 0;
 385 }
 386
 387 static int pad (FILE *f, int c)
 388 {
 389     do
 390         string (f, " ");
 391     while (column < c);
 392     return 0;
 393 }
 394
 395 static int control (FILE *file, char *name, char *ctrl[], GLuint id, int *space)
 396 {
 397     if (!ctrl[id]) {
 398         fprintf (file, "*** invalid %s value %d ",
 399                  name, id);
 400         return 1;
 401     }
 402     if (ctrl[id][0])
 403     {
 404         if (space && *space)
 405             string (file, " ");
 406         string (file, ctrl[id]);
 407         if (space)
 408             *space = 1;
 409     }
 410     return 0;
 411 }
 412
 413 static int print_opcode (FILE *file, int id)
 414 {
 415     if (!opcode[id].name) {
 416         format (file, "*** invalid opcode value %d ", id);
 417         return 1;
 418     }
 419     string (file, opcode[id].name);
 420     return 0;
 421 }
 422
 423 static int reg (FILE *file, GLuint _reg_file, GLuint _reg_nr)
 424 {
 425     int err = 0;
 426     if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
 427         switch (_reg_nr & 0xf0) {
 428         case BRW_ARF_NULL:
 429             string (file, "null");
 430             return -1;
 431         case BRW_ARF_ADDRESS:
 432             format (file, "a%d", _reg_nr & 0x0f);
 433             break;
 434         case BRW_ARF_ACCUMULATOR:
 435             format (file, "acc%d", _reg_nr & 0x0f);
 436             break;
 437         case BRW_ARF_MASK:
 438             format (file, "mask%d", _reg_nr & 0x0f);
 439             break;
 440         case BRW_ARF_MASK_STACK:
 441             format (file, "msd%d", _reg_nr & 0x0f);
 442             break;
 443         case BRW_ARF_STATE:
 444             format (file, "sr%d", _reg_nr & 0x0f);
 445             break;
 446         case BRW_ARF_CONTROL:
 447             format (file, "cr%d", _reg_nr & 0x0f);
 448             break;
 449         case BRW_ARF_NOTIFICATION_COUNT:
 450             format (file, "n%d", _reg_nr & 0x0f);
 451             break;
 452         case BRW_ARF_IP:
 453             string (file, "ip");
 454             return -1;
 455             break;
 456         default:
 457             format (file, "ARF%d", _reg_nr);
 458             break;
 459         }
 460     } else {
 461         err  |= control (file, "src reg file", reg_file, _reg_file, NULL);
 462         format (file, "%d", _reg_nr);
 463     }
 464     return err;
 465 }
 466
 467 static int dest (FILE *file, struct brw_instruction *inst)
 468 {
 469     int err = 0;
 470
 471     if (inst->header.access_mode == BRW_ALIGN_1)
 472     {
 473         if (inst->bits1.da1.dest_address_mode == BRW_ADDRESS_DIRECT)
 474         {
 475             err |= reg (file, inst->bits1.da1.dest_reg_file, inst->bits1.da1.dest_reg_nr);
 476             if (err == -1)
 477                 return 0;
 478             if (inst->bits1.da1.dest_subreg_nr)
 479                 format (file, ".%d", inst->bits1.da1.dest_subreg_nr);
 480             format (file, "<%d>", inst->bits1.da1.dest_horiz_stride);
 481             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da1.dest_reg_type, NULL);
 482         }
 483         else
 484         {
 485             string (file, "g[a0");
 486             if (inst->bits1.ia1.dest_subreg_nr)
 487                 format (file, ".%d", inst->bits1.ia1.dest_subreg_nr);
 488             if (inst->bits1.ia1.dest_indirect_offset)
 489                 format (file, " %d", inst->bits1.ia1.dest_indirect_offset);
 490             string (file, "]");
 491             format (file, "<%d>", inst->bits1.ia1.dest_horiz_stride);
 492             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.ia1.dest_reg_type, NULL);
 493         }
 494     }
 495     else
 496     {
 497         if (inst->bits1.da16.dest_address_mode == BRW_ADDRESS_DIRECT)
 498         {
 499             err |= reg (file, inst->bits1.da16.dest_reg_file, inst->bits1.da16.dest_reg_nr);
 500             if (err == -1)
 501                 return 0;
 502             if (inst->bits1.da16.dest_subreg_nr)
 503                 format (file, ".%d", inst->bits1.da16.dest_subreg_nr);
 504             string (file, "<1>");
 505             err |= control (file, "writemask", writemask, inst->bits1.da16.dest_writemask, NULL);
 506             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da16.dest_reg_type, NULL);
 507         }
 508         else
 509         {
 510             err = 1;
 511             string (file, "Indirect align16 address mode not supported");
 512         }
 513     }
 514
 515     return 0;
 516 }
 517
 518 static int src_align1_region (FILE *file,
 519                               GLuint _vert_stride, GLuint _width, GLuint _horiz_stride)
 520 {
 521     int err = 0;
 522     string (file, "<");
 523     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 524     string (file, ",");
 525     err |= control (file, "width", width, _width, NULL);
 526     string (file, ",");
 527     err |= control (file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
 528     string (file, ">");
 529     return err;
 530 }
 531
 532 static int src_da1 (FILE *file, GLuint type, GLuint _reg_file,
 533                     GLuint _vert_stride, GLuint _width, GLuint _horiz_stride,
 534                     GLuint reg_num, GLuint sub_reg_num, GLuint __abs, GLuint _negate)
 535 {
 536     int err = 0;
 537     err |= control (file, "negate", negate, _negate, NULL);
 538     err |= control (file, "abs", _abs, __abs, NULL);
 539
 540     err |= reg (file, _reg_file, reg_num);
 541     if (err == -1)
 542         return 0;
 543     if (sub_reg_num)
 544         format (file, ".%d", sub_reg_num);
 545     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 546     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 547     return err;
 548 }
 549
 550 static int src_ia1 (FILE *file,
 551                     GLuint type,
 552                     GLuint _reg_file,
 553                     GLint _addr_imm,
 554                     GLuint _addr_subreg_nr,
 555                     GLuint _negate,
 556                     GLuint __abs,
 557                     GLuint _addr_mode,
 558                     GLuint _horiz_stride,
 559                     GLuint _width,
 560                     GLuint _vert_stride)
 561 {
 562     int err = 0;
 563     err |= control (file, "negate", negate, _negate, NULL);
 564     err |= control (file, "abs", _abs, __abs, NULL);
 565
 566     string (file, "g[a0");
 567     if (_addr_subreg_nr)
 568         format (file, ".%d", _addr_subreg_nr);
 569     if (_addr_imm)
 570         format (file, " %d", _addr_imm);
 571     string (file, "]");
 572     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 573     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 574     return err;
 575 }
 576
 577 static int src_da16 (FILE *file,
 578                      GLuint _reg_type,
 579                      GLuint _reg_file,
 580                      GLuint _vert_stride,
 581                      GLuint _reg_nr,
 582                      GLuint _subreg_nr,
 583                      GLuint __abs,
 584                      GLuint _negate,
 585                      GLuint swz_x,
 586                      GLuint swz_y,
 587                      GLuint swz_z,
 588                      GLuint swz_w)
 589 {
 590     int err = 0;
 591     err |= control (file, "negate", negate, _negate, NULL);
 592     err |= control (file, "abs", _abs, __abs, NULL);
 593
 594     err |= reg (file, _reg_file, _reg_nr);
 595     if (err == -1)
 596         return 0;
 597     if (_subreg_nr)
 598         format (file, ".%d", _subreg_nr);
 599     string (file, "<");
 600     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 601     string (file, ",4,1>");
 602     err |= control (file, "src da16 reg type", reg_encoding, _reg_type, NULL);
 603     /*
 604      * Three kinds of swizzle display:
 605      *  identity - nothing printed
 606      *  1->all   - print the single channel
 607      *  1->1     - print the mapping
 608      */
 609     if (swz_x == BRW_CHANNEL_X &&
 610         swz_y == BRW_CHANNEL_Y &&
 611         swz_z == BRW_CHANNEL_Z &&
 612         swz_w == BRW_CHANNEL_W)
 613     {
 614         ;
 615     }
 616     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
 617     {
 618         string (file, ".");
 619         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 620     }
 621     else
 622     {
 623         string (file, ".");
 624         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 625         err |= control (file, "channel select", chan_sel, swz_y, NULL);
 626         err |= control (file, "channel select", chan_sel, swz_z, NULL);
 627         err |= control (file, "channel select", chan_sel, swz_w, NULL);
 628     }
 629     return err;
 630 }
 631
 632
 633 static int imm (FILE *file, GLuint type, struct brw_instruction *inst) {
 634     switch (type) {
 635     case BRW_REGISTER_TYPE_UD:
 636         format (file, "0x%08xUD", inst->bits3.ud);
 637         break;
 638     case BRW_REGISTER_TYPE_D:
 639         format (file, "%dD", inst->bits3.d);
 640         break;
 641     case BRW_REGISTER_TYPE_UW:
 642         format (file, "0x%04xUW", (uint16_t) inst->bits3.ud);
 643         break;
 644     case BRW_REGISTER_TYPE_W:
 645         format (file, "%dW", (int16_t) inst->bits3.d);
 646         break;
 647     case BRW_REGISTER_TYPE_UB:
 648         format (file, "0x%02xUB", (int8_t) inst->bits3.ud);
 649         break;
 650     case BRW_REGISTER_TYPE_VF:
 651         format (file, "Vector Float");
 652         break;
 653     case BRW_REGISTER_TYPE_V:
 654         format (file, "0x%08xV", inst->bits3.ud);
 655         break;
 656     case BRW_REGISTER_TYPE_F:
 657         format (file, "%-gF", inst->bits3.f);
 658     }
 659     return 0;
 660 }
 661
 662 static int src0 (FILE *file, struct brw_instruction *inst)
 663 {
 664     if (inst->bits1.da1.src0_reg_file == BRW_IMMEDIATE_VALUE)
 665         return imm (file, inst->bits1.da1.src0_reg_type,
 666                     inst);
 667     else if (inst->header.access_mode == BRW_ALIGN_1)
 668     {
 669         if (inst->bits2.da1.src0_address_mode == BRW_ADDRESS_DIRECT)
 670         {
 671             return src_da1 (file,
 672                             inst->bits1.da1.src0_reg_type,
 673                             inst->bits1.da1.src0_reg_file,
 674                             inst->bits2.da1.src0_vert_stride,
 675                             inst->bits2.da1.src0_width,
 676                             inst->bits2.da1.src0_horiz_stride,
 677                             inst->bits2.da1.src0_reg_nr,
 678                             inst->bits2.da1.src0_subreg_nr,
 679                             inst->bits2.da1.src0_abs,
 680                             inst->bits2.da1.src0_negate);
 681         }
 682         else
 683         {
 684             return src_ia1 (file,
 685                             inst->bits1.ia1.src0_reg_type,
 686                             inst->bits1.ia1.src0_reg_file,
 687                             inst->bits2.ia1.src0_indirect_offset,
 688                             inst->bits2.ia1.src0_subreg_nr,
 689                             inst->bits2.ia1.src0_negate,
 690                             inst->bits2.ia1.src0_abs,
 691                             inst->bits2.ia1.src0_address_mode,
 692                             inst->bits2.ia1.src0_horiz_stride,
 693                             inst->bits2.ia1.src0_width,
 694                             inst->bits2.ia1.src0_vert_stride);
 695         }
 696     }
 697     else
 698     {
 699         if (inst->bits2.da16.src0_address_mode == BRW_ADDRESS_DIRECT)
 700         {
 701             return src_da16 (file,
 702                              inst->bits1.da16.src0_reg_type,
 703                              inst->bits1.da16.src0_reg_file,
 704                              inst->bits2.da16.src0_vert_stride,
 705                              inst->bits2.da16.src0_reg_nr,
 706                              inst->bits2.da16.src0_subreg_nr,
 707                              inst->bits2.da16.src0_abs,
 708                              inst->bits2.da16.src0_negate,
 709                              inst->bits2.da16.src0_swz_x,
 710                              inst->bits2.da16.src0_swz_y,
 711                              inst->bits2.da16.src0_swz_z,
 712                              inst->bits2.da16.src0_swz_w);
 713         }
 714         else
 715         {
 716             string (file, "Indirect align16 address mode not supported");
 717             return 1;
 718         }
 719     }
 720 }
 721
 722 static int src1 (FILE *file, struct brw_instruction *inst)
 723 {
 724     if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
 725         return imm (file, inst->bits1.da1.src1_reg_type,
 726                     inst);
 727     else if (inst->header.access_mode == BRW_ALIGN_1)
 728     {
 729         if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
 730         {
 731             return src_da1 (file,
 732                             inst->bits1.da1.src1_reg_type,
 733                             inst->bits1.da1.src1_reg_file,
 734                             inst->bits3.da1.src1_vert_stride,
 735                             inst->bits3.da1.src1_width,
 736                             inst->bits3.da1.src1_horiz_stride,
 737                             inst->bits3.da1.src1_reg_nr,
 738                             inst->bits3.da1.src1_subreg_nr,
 739                             inst->bits3.da1.src1_abs,
 740                             inst->bits3.da1.src1_negate);
 741         }
 742         else
 743         {
 744             return src_ia1 (file,
 745                             inst->bits1.ia1.src1_reg_type,
 746                             inst->bits1.ia1.src1_reg_file,
 747                             inst->bits3.ia1.src1_indirect_offset,
 748                             inst->bits3.ia1.src1_subreg_nr,
 749                             inst->bits3.ia1.src1_negate,
 750                             inst->bits3.ia1.src1_abs,
 751                             inst->bits3.ia1.src1_address_mode,
 752                             inst->bits3.ia1.src1_horiz_stride,
 753                             inst->bits3.ia1.src1_width,
 754                             inst->bits3.ia1.src1_vert_stride);
 755         }
 756     }
 757     else
 758     {
 759         if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
 760         {
 761             return src_da16 (file,
 762                              inst->bits1.da16.src1_reg_type,
 763                              inst->bits1.da16.src1_reg_file,
 764                              inst->bits3.da16.src1_vert_stride,
 765                              inst->bits3.da16.src1_reg_nr,
 766                              inst->bits3.da16.src1_subreg_nr,
 767                              inst->bits3.da16.src1_abs,
 768                              inst->bits3.da16.src1_negate,
 769                              inst->bits3.da16.src1_swz_x,
 770                              inst->bits3.da16.src1_swz_y,
 771                              inst->bits3.da16.src1_swz_z,
 772                              inst->bits3.da16.src1_swz_w);
 773         }
 774         else
 775         {
 776             string (file, "Indirect align16 address mode not supported");
 777             return 1;
 778         }
 779     }
 780 }
 781
 782 int brw_disasm (FILE *file, struct brw_instruction *inst, int gen)
 783 {
 784     int err = 0;
 785     int space = 0;
 786
 787     if (inst->header.predicate_control) {
 788         string (file, "(");
 789         err |= control (file, "predicate inverse", pred_inv, inst->header.predicate_inverse, NULL);
 790         string (file, "f0");
 791         if (inst->bits2.da1.flag_reg_nr)
 792             format (file, ".%d", inst->bits2.da1.flag_reg_nr);
 793         if (inst->header.access_mode == BRW_ALIGN_1)
 794             err |= control (file, "predicate control align1", pred_ctrl_align1,
 795                             inst->header.predicate_control, NULL);
 796         else
 797             err |= control (file, "predicate control align16", pred_ctrl_align16,
 798                             inst->header.predicate_control, NULL);
 799         string (file, ") ");
 800     }
 801
 802     err |= print_opcode (file, inst->header.opcode);
 803     err |= control (file, "saturate", saturate, inst->header.saturate, NULL);
 804     err |= control (file, "debug control", debug_ctrl, inst->header.debug_control, NULL);
 805
 806     if (inst->header.opcode == BRW_OPCODE_MATH) {
 807         string (file, " ");
 808         err |= control (file, "function", math_function,
 809                         inst->header.destreg__conditionalmod, NULL);
 810     } else if (inst->header.opcode != BRW_OPCODE_SEND)
 811         err |= control (file, "conditional modifier", conditional_modifier,
 812                         inst->header.destreg__conditionalmod, NULL);
 813
 814     if (inst->header.opcode != BRW_OPCODE_NOP) {
 815         string (file, "(");
 816         err |= control (file, "execution size", exec_size, inst->header.execution_size, NULL);
 817         string (file, ")");
 818     }
 819
 820     if (inst->header.opcode == BRW_OPCODE_SEND)
 821         format (file, " %d", inst->header.destreg__conditionalmod);
 822
 823     if (opcode[inst->header.opcode].ndst > 0) {
 824         pad (file, 16);
 825         err |= dest (file, inst);
 826     }
 827     if (opcode[inst->header.opcode].nsrc > 0) {
 828         pad (file, 32);
 829         err |= src0 (file, inst);
 830     }
 831     if (opcode[inst->header.opcode].nsrc > 1) {
 832         pad (file, 48);
 833         err |= src1 (file, inst);
 834     }
 835
 836     if (inst->header.opcode == BRW_OPCODE_SEND) {
 837         int target;
 838
 839         if (gen >= 6)
 840             target = inst->header.destreg__conditionalmod;
 841         else if (gen == 5)
 842             target = inst->bits2.send_gen5.sfid;
 843         else
 844             target = inst->bits3.generic.msg_target;
 845
 846         newline (file);
 847         pad (file, 16);
 848         space = 0;
 849         err |= control (file, "target function", target_function,
 850                         target, &space);
 851
 852         switch (target) {
 853         case BRW_MESSAGE_TARGET_MATH:
 854             err |= control (file, "math function", math_function,
 855                             inst->bits3.math.function, &space);
 856             err |= control (file, "math saturate", math_saturate,
 857                             inst->bits3.math.saturate, &space);
 858             err |= control (file, "math signed", math_signed,
 859                             inst->bits3.math.int_type, &space);
 860             err |= control (file, "math scalar", math_scalar,
 861                             inst->bits3.math.data_type, &space);
 862             err |= control (file, "math precision", math_precision,
 863                             inst->bits3.math.precision, &space);
 864             break;
 865         case BRW_MESSAGE_TARGET_SAMPLER:
 866             format (file, " (%d, %d, ",
 867                     inst->bits3.sampler.binding_table_index,
 868                     inst->bits3.sampler.sampler);
 869             err |= control (file, "sampler target format", sampler_target_format,
 870                             inst->bits3.sampler.return_format, NULL);
 871             string (file, ")");
 872             break;
 873         case BRW_MESSAGE_TARGET_DATAPORT_READ:
 874             if (gen >= 6) {
 875                 format (file, " (%d, %d, %d, %d, %d, %d)",
 876                         inst->bits3.dp_render_cache.binding_table_index,
 877                         inst->bits3.dp_render_cache.msg_control,
 878                         inst->bits3.dp_render_cache.msg_type,
 879                         inst->bits3.dp_render_cache.send_commit_msg,
 880                         inst->bits3.dp_render_cache.msg_length,
 881                         inst->bits3.dp_render_cache.response_length);
 882             } else if (gen >= 5) {
 883                 format (file, " (%d, %d, %d)",
 884                         inst->bits3.dp_read_gen5.binding_table_index,
 885                         inst->bits3.dp_read_gen5.msg_control,
 886                         inst->bits3.dp_read_gen5.msg_type);
 887             } else {
 888                 format (file, " (%d, %d, %d)",
 889                         inst->bits3.dp_read.binding_table_index,
 890                         inst->bits3.dp_read.msg_control,
 891                         inst->bits3.dp_read.msg_type);
 892             }
 893             break;
 894         case BRW_MESSAGE_TARGET_DATAPORT_WRITE:
 895             if (gen >= 6) {
 896                 format (file, " (%d, %d, %d, %d, %d, %d)",
 897                         inst->bits3.dp_render_cache.binding_table_index,
 898                         inst->bits3.dp_render_cache.msg_control,
 899                         inst->bits3.dp_render_cache.msg_type,
 900                         inst->bits3.dp_render_cache.send_commit_msg,
 901                         inst->bits3.dp_render_cache.msg_length,
 902                         inst->bits3.dp_render_cache.response_length);
 903             } else {
 904                 format (file, " (%d, %d, %d, %d)",
 905                         inst->bits3.dp_write.binding_table_index,
 906                         (inst->bits3.dp_write.pixel_scoreboard_clear << 3) |
 907                         inst->bits3.dp_write.msg_control,
 908                         inst->bits3.dp_write.msg_type,
 909                         inst->bits3.dp_write.send_commit_msg);
 910             }
 911             break;
 912         case BRW_MESSAGE_TARGET_URB:
 913             if (gen >= 5) {
 914                 format (file, " %d", inst->bits3.urb_gen5.offset);
 915             } else {
 916                 format (file, " %d", inst->bits3.urb.offset);
 917             }
 918
 919             space = 1;
 920             if (gen >= 5) {
 921                 err |= control (file, "urb opcode", urb_opcode,
 922                                 inst->bits3.urb_gen5.opcode, &space);
 923             }
 924             err |= control (file, "urb swizzle", urb_swizzle,
 925                             inst->bits3.urb.swizzle_control, &space);
 926             err |= control (file, "urb allocate", urb_allocate,
 927                             inst->bits3.urb.allocate, &space);
 928             err |= control (file, "urb used", urb_used,
 929                             inst->bits3.urb.used, &space);
 930             err |= control (file, "urb complete", urb_complete,
 931                             inst->bits3.urb.complete, &space);
 932             break;
 933         case BRW_MESSAGE_TARGET_THREAD_SPAWNER:
 934             break;
 935         default:
 936             format (file, "unsupported target %d", target);
 937             break;
 938         }
 939         if (space)
 940             string (file, " ");
 941         if (gen >= 5) {
 942            format (file, "mlen %d",
 943                    inst->bits3.generic_gen5.msg_length);
 944            format (file, " rlen %d",
 945                    inst->bits3.generic_gen5.response_length);
 946         } else {
 947            format (file, "mlen %d",
 948                    inst->bits3.generic.msg_length);
 949            format (file, " rlen %d",
 950                    inst->bits3.generic.response_length);
 951         }
 952     }
 953     pad (file, 64);
 954     if (inst->header.opcode != BRW_OPCODE_NOP) {
 955         string (file, "{");
 956         space = 1;
 957         err |= control(file, "access mode", access_mode, inst->header.access_mode, &space);
 958         err |= control (file, "mask control", mask_ctrl, inst->header.mask_control, &space);
 959         err |= control (file, "dependency control", dep_ctrl, inst->header.dependency_control, &space);
 960         err |= control (file, "compression control", compr_ctrl, inst->header.compression_control, &space);
 961         err |= control (file, "thread control", thread_ctrl, inst->header.thread_control, &space);
 962         if (inst->header.opcode == BRW_OPCODE_SEND)
 963             err |= control (file, "end of thread", end_of_thread,
 964                             inst->bits3.generic.end_of_thread, &space);
 965         if (space)
 966             string (file, " ");
 967         string (file, "}");
 968     }
 969     string (file, ";");
 970     newline (file);
 971     return err;
 972 }