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
  61     [BRW_OPCODE_AVG] = { .name = "avg", .nsrc = 2, .ndst = 1 },
  62     [BRW_OPCODE_ADD] = { .name = "add", .nsrc = 2, .ndst = 1 },
  63     [BRW_OPCODE_SEL] = { .name = "sel", .nsrc = 2, .ndst = 1 },
  64     [BRW_OPCODE_AND] = { .name = "and", .nsrc = 2, .ndst = 1 },
  65     [BRW_OPCODE_OR] = { .name = "or", .nsrc = 2, .ndst = 1 },
  66     [BRW_OPCODE_XOR] = { .name = "xor", .nsrc = 2, .ndst = 1 },
  67     [BRW_OPCODE_SHR] = { .name = "shr", .nsrc = 2, .ndst = 1 },
  68     [BRW_OPCODE_SHL] = { .name = "shl", .nsrc = 2, .ndst = 1 },
  69     [BRW_OPCODE_ASR] = { .name = "asr", .nsrc = 2, .ndst = 1 },
  70     [BRW_OPCODE_CMP] = { .name = "cmp", .nsrc = 2, .ndst = 1 },
  71     [BRW_OPCODE_CMPN] = { .name = "cmpn", .nsrc = 2, .ndst = 1 },
  72
  73     [BRW_OPCODE_SEND] = { .name = "send", .nsrc = 1, .ndst = 1 },
  74     [BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
  75     [BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 1, .ndst = 0 },
  76     [BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
  77     [BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 2, .ndst = 1 },
  78     [BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 2, .ndst = 0 },
  79     [BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 2, .ndst = 0 },
  80     [BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 2, .ndst = 0 },
  81     [BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
  82     [BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
  83     [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
  84     [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
  85     [BRW_OPCODE_MRESTORE] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
  86     [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
  87     [BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
  88     [BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
  89     [BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 2, .ndst = 0 },
  90 };
  91
  92 char *conditional_modifier[16] = {
  93     [BRW_CONDITIONAL_NONE] = "",
  94     [BRW_CONDITIONAL_Z] = ".e",
  95     [BRW_CONDITIONAL_NZ] = ".ne",
  96     [BRW_CONDITIONAL_G] = ".g",
  97     [BRW_CONDITIONAL_GE] = ".ge",
  98     [BRW_CONDITIONAL_L] = ".l",
  99     [BRW_CONDITIONAL_LE] = ".le",
 100     [BRW_CONDITIONAL_R] = ".r",
 101     [BRW_CONDITIONAL_O] = ".o",
 102     [BRW_CONDITIONAL_U] = ".u",
 103 };
 104
 105 char *negate[2] = {
 106     [0] = "",
 107     [1] = "-",
 108 };
 109
 110 char *_abs[2] = {
 111     [0] = "",
 112     [1] = "(abs)",
 113 };
 114
 115 char *vert_stride[16] = {
 116     [0] = "0",
 117     [1] = "1",
 118     [2] = "2",
 119     [3] = "4",
 120     [4] = "8",
 121     [5] = "16",
 122     [6] = "32",
 123     [15] = "VxH",
 124 };
 125
 126 char *width[8] = {
 127     [0] = "1",
 128     [1] = "2",
 129     [2] = "4",
 130     [3] = "8",
 131     [4] = "16",
 132 };
 133
 134 char *horiz_stride[4] = {
 135     [0] = "0",
 136     [1] = "1",
 137     [2] = "2",
 138     [3] = "4"
 139 };
 140
 141 char *chan_sel[4] = {
 142     [0] = "x",
 143     [1] = "y",
 144     [2] = "z",
 145     [3] = "w",
 146 };
 147
 148 char *dest_condmod[16] = {
 149 };
 150
 151 char *debug_ctrl[2] = {
 152     [0] = "",
 153     [1] = ".breakpoint"
 154 };
 155
 156 char *saturate[2] = {
 157     [0] = "",
 158     [1] = ".sat"
 159 };
 160
 161 char *exec_size[8] = {
 162     [0] = "1",
 163     [1] = "2",
 164     [2] = "4",
 165     [3] = "8",
 166     [4] = "16",
 167     [5] = "32"
 168 };
 169
 170 char *pred_inv[2] = {
 171     [0] = "+",
 172     [1] = "-"
 173 };
 174
 175 char *pred_ctrl_align16[16] = {
 176     [1] = "",
 177     [2] = ".x",
 178     [3] = ".y",
 179     [4] = ".z",
 180     [5] = ".w",
 181     [6] = ".any4h",
 182     [7] = ".all4h",
 183 };
 184
 185 char *pred_ctrl_align1[16] = {
 186     [1] = "",
 187     [2] = ".anyv",
 188     [3] = ".allv",
 189     [4] = ".any2h",
 190     [5] = ".all2h",
 191     [6] = ".any4h",
 192     [7] = ".all4h",
 193     [8] = ".any8h",
 194     [9] = ".all8h",
 195     [10] = ".any16h",
 196     [11] = ".all16h",
 197 };
 198
 199 char *thread_ctrl[4] = {
 200     [0] = "",
 201     [2] = "switch"
 202 };
 203
 204 char *compr_ctrl[4] = {
 205     [0] = "",
 206     [1] = "sechalf",
 207     [2] = "compr",
 208 };
 209
 210 char *dep_ctrl[4] = {
 211     [0] = "",
 212     [1] = "NoDDClr",
 213     [2] = "NoDDChk",
 214     [3] = "NoDDClr,NoDDChk",
 215 };
 216
 217 char *mask_ctrl[4] = {
 218     [0] = "",
 219     [1] = "nomask",
 220 };
 221
 222 char *access_mode[2] = {
 223     [0] = "align1",
 224     [1] = "align16",
 225 };
 226
 227 char *reg_encoding[8] = {
 228     [0] = "UD",
 229     [1] = "D",
 230     [2] = "UW",
 231     [3] = "W",
 232     [4] = "UB",
 233     [5] = "B",
 234     [7] = "F"
 235 };
 236
 237 char *imm_encoding[8] = {
 238     [0] = "UD",
 239     [1] = "D",
 240     [2] = "UW",
 241     [3] = "W",
 242     [5] = "VF",
 243     [6] = "V",
 244     [7] = "F"
 245 };
 246
 247 char *reg_file[4] = {
 248     [0] = "A",
 249     [1] = "g",
 250     [2] = "m",
 251     [3] = "imm",
 252 };
 253
 254 char *writemask[16] = {
 255     [0x0] = ".",
 256     [0x1] = ".x",
 257     [0x2] = ".y",
 258     [0x3] = ".xy",
 259     [0x4] = ".z",
 260     [0x5] = ".xz",
 261     [0x6] = ".yz",
 262     [0x7] = ".xyz",
 263     [0x8] = ".w",
 264     [0x9] = ".xw",
 265     [0xa] = ".yw",
 266     [0xb] = ".xyw",
 267     [0xc] = ".zw",
 268     [0xd] = ".xzw",
 269     [0xe] = ".yzw",
 270     [0xf] = "",
 271 };
 272
 273 char *end_of_thread[2] = {
 274     [0] = "",
 275     [1] = "EOT"
 276 };
 277
 278 char *target_function[16] = {
 279     [BRW_MESSAGE_TARGET_NULL] = "null",
 280     [BRW_MESSAGE_TARGET_MATH] = "math",
 281     [BRW_MESSAGE_TARGET_SAMPLER] = "sampler",
 282     [BRW_MESSAGE_TARGET_GATEWAY] = "gateway",
 283     [BRW_MESSAGE_TARGET_DATAPORT_READ] = "read",
 284     [BRW_MESSAGE_TARGET_DATAPORT_WRITE] = "write",
 285     [BRW_MESSAGE_TARGET_URB] = "urb",
 286     [BRW_MESSAGE_TARGET_THREAD_SPAWNER] = "thread_spawner"
 287 };
 288
 289 char *math_function[16] = {
 290     [BRW_MATH_FUNCTION_INV] = "inv",
 291     [BRW_MATH_FUNCTION_LOG] = "log",
 292     [BRW_MATH_FUNCTION_EXP] = "exp",
 293     [BRW_MATH_FUNCTION_SQRT] = "sqrt",
 294     [BRW_MATH_FUNCTION_RSQ] = "rsq",
 295     [BRW_MATH_FUNCTION_SIN] = "sin",
 296     [BRW_MATH_FUNCTION_COS] = "cos",
 297     [BRW_MATH_FUNCTION_SINCOS] = "sincos",
 298     [BRW_MATH_FUNCTION_TAN] = "tan",
 299     [BRW_MATH_FUNCTION_POW] = "pow",
 300     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
 301     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intmod",
 302     [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intdiv",
 303 };
 304
 305 char *math_saturate[2] = {
 306     [0] = "",
 307     [1] = "sat"
 308 };
 309
 310 char *math_signed[2] = {
 311     [0] = "",
 312     [1] = "signed"
 313 };
 314
 315 char *math_scalar[2] = {
 316     [0] = "",
 317     [1] = "scalar"
 318 };
 319
 320 char *math_precision[2] = {
 321     [0] = "",
 322     [1] = "partial_precision"
 323 };
 324
 325 char *urb_swizzle[4] = {
 326     [BRW_URB_SWIZZLE_NONE] = "",
 327     [BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
 328     [BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
 329 };
 330
 331 char *urb_allocate[2] = {
 332     [0] = "",
 333     [1] = "allocate"
 334 };
 335
 336 char *urb_used[2] = {
 337     [0] = "",
 338     [1] = "used"
 339 };
 340
 341 char *urb_complete[2] = {
 342     [0] = "",
 343     [1] = "complete"
 344 };
 345
 346 char *sampler_target_format[4] = {
 347     [0] = "F",
 348     [2] = "UD",
 349     [3] = "D"
 350 };
 351
 352
 353 static int column;
 354
 355 static int string (FILE *file, char *string)
 356 {
 357     fputs (string, file);
 358     column += strlen (string);
 359     return 0;
 360 }
 361
 362 static int format (FILE *f, char *format, ...)
 363 {
 364     char    buf[1024];
 365     va_list     args;
 366     va_start (args, format);
 367
 368     vsnprintf (buf, sizeof (buf) - 1, format, args);
 369     va_end (args);
 370     string (f, buf);
 371     return 0;
 372 }
 373
 374 static int newline (FILE *f)
 375 {
 376     putc ('\n', f);
 377     column = 0;
 378     return 0;
 379 }
 380
 381 static int pad (FILE *f, int c)
 382 {
 383     do
 384         string (f, " ");
 385     while (column < c);
 386     return 0;
 387 }
 388
 389 static int control (FILE *file, char *name, char *ctrl[], GLuint id, int *space)
 390 {
 391     if (!ctrl[id]) {
 392         fprintf (file, "*** invalid %s value %d ",
 393                  name, id);
 394         return 1;
 395     }
 396     if (ctrl[id][0])
 397     {
 398         if (space && *space)
 399             string (file, " ");
 400         string (file, ctrl[id]);
 401         if (space)
 402             *space = 1;
 403     }
 404     return 0;
 405 }
 406
 407 static int print_opcode (FILE *file, int id)
 408 {
 409     if (!opcode[id].name) {
 410         format (file, "*** invalid opcode value %d ", id);
 411         return 1;
 412     }
 413     string (file, opcode[id].name);
 414     return 0;
 415 }
 416
 417 static int reg (FILE *file, GLuint _reg_file, GLuint _reg_nr)
 418 {
 419     int err = 0;
 420     if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
 421         switch (_reg_nr & 0xf0) {
 422         case BRW_ARF_NULL:
 423             string (file, "null");
 424             return -1;
 425         case BRW_ARF_ADDRESS:
 426             format (file, "a%d", _reg_nr & 0x0f);
 427             break;
 428         case BRW_ARF_ACCUMULATOR:
 429             format (file, "acc%d", _reg_nr & 0x0f);
 430             break;
 431         case BRW_ARF_MASK:
 432             format (file, "mask%d", _reg_nr & 0x0f);
 433             break;
 434         case BRW_ARF_MASK_STACK:
 435             format (file, "msd%d", _reg_nr & 0x0f);
 436             break;
 437         case BRW_ARF_STATE:
 438             format (file, "sr%d", _reg_nr & 0x0f);
 439             break;
 440         case BRW_ARF_CONTROL:
 441             format (file, "cr%d", _reg_nr & 0x0f);
 442             break;
 443         case BRW_ARF_NOTIFICATION_COUNT:
 444             format (file, "n%d", _reg_nr & 0x0f);
 445             break;
 446         case BRW_ARF_IP:
 447             string (file, "ip");
 448             return -1;
 449             break;
 450         default:
 451             format (file, "ARF%d", _reg_nr);
 452             break;
 453         }
 454     } else {
 455         err  |= control (file, "src reg file", reg_file, _reg_file, NULL);
 456         format (file, "%d", _reg_nr);
 457     }
 458     return err;
 459 }
 460
 461 static int dest (FILE *file, struct brw_instruction *inst)
 462 {
 463     int err = 0;
 464
 465     if (inst->header.access_mode == BRW_ALIGN_1)
 466     {
 467         if (inst->bits1.da1.dest_address_mode == BRW_ADDRESS_DIRECT)
 468         {
 469             err |= reg (file, inst->bits1.da1.dest_reg_file, inst->bits1.da1.dest_reg_nr);
 470             if (err == -1)
 471                 return 0;
 472             if (inst->bits1.da1.dest_subreg_nr)
 473                 format (file, ".%d", inst->bits1.da1.dest_subreg_nr);
 474             format (file, "<%d>", inst->bits1.da1.dest_horiz_stride);
 475             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da1.dest_reg_type, NULL);
 476         }
 477         else
 478         {
 479             string (file, "g[a0");
 480             if (inst->bits1.ia1.dest_subreg_nr)
 481                 format (file, ".%d", inst->bits1.ia1.dest_subreg_nr);
 482             if (inst->bits1.ia1.dest_indirect_offset)
 483                 format (file, " %d", inst->bits1.ia1.dest_indirect_offset);
 484             string (file, "]");
 485             format (file, "<%d>", inst->bits1.ia1.dest_horiz_stride);
 486             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.ia1.dest_reg_type, NULL);
 487         }
 488     }
 489     else
 490     {
 491         if (inst->bits1.da16.dest_address_mode == BRW_ADDRESS_DIRECT)
 492         {
 493             err |= reg (file, inst->bits1.da16.dest_reg_file, inst->bits1.da16.dest_reg_nr);
 494             if (err == -1)
 495                 return 0;
 496             if (inst->bits1.da16.dest_subreg_nr)
 497                 format (file, ".%d", inst->bits1.da16.dest_subreg_nr);
 498             string (file, "<1>");
 499             err |= control (file, "writemask", writemask, inst->bits1.da16.dest_writemask, NULL);
 500             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da16.dest_reg_type, NULL);
 501         }
 502         else
 503         {
 504             err = 1;
 505             string (file, "Indirect align16 address mode not supported");
 506         }
 507     }
 508
 509     return 0;
 510 }
 511
 512 static int src_align1_region (FILE *file,
 513                               GLuint _vert_stride, GLuint _width, GLuint _horiz_stride)
 514 {
 515     int err = 0;
 516     string (file, "<");
 517     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 518     string (file, ",");
 519     err |= control (file, "width", width, _width, NULL);
 520     string (file, ",");
 521     err |= control (file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
 522     string (file, ">");
 523     return err;
 524 }
 525
 526 static int src_da1 (FILE *file, GLuint type, GLuint _reg_file,
 527                     GLuint _vert_stride, GLuint _width, GLuint _horiz_stride,
 528                     GLuint reg_num, GLuint sub_reg_num, GLuint __abs, GLuint _negate)
 529 {
 530     int err = 0;
 531     err |= control (file, "negate", negate, _negate, NULL);
 532     err |= control (file, "abs", _abs, __abs, NULL);
 533
 534     err |= reg (file, _reg_file, reg_num);
 535     if (err == -1)
 536         return 0;
 537     if (sub_reg_num)
 538         format (file, ".%d", sub_reg_num);
 539     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 540     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 541     return err;
 542 }
 543
 544 static int src_ia1 (FILE *file,
 545                     GLuint type,
 546                     GLuint _reg_file,
 547                     GLint _addr_imm,
 548                     GLuint _addr_subreg_nr,
 549                     GLuint _negate,
 550                     GLuint __abs,
 551                     GLuint _addr_mode,
 552                     GLuint _horiz_stride,
 553                     GLuint _width,
 554                     GLuint _vert_stride)
 555 {
 556     int err = 0;
 557     err |= control (file, "negate", negate, _negate, NULL);
 558     err |= control (file, "abs", _abs, __abs, NULL);
 559
 560     string (file, "g[a0");
 561     if (_addr_subreg_nr)
 562         format (file, ".%d", _addr_subreg_nr);
 563     if (_addr_imm)
 564         format (file, " %d", _addr_imm);
 565     string (file, "]");
 566     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 567     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 568     return err;
 569 }
 570
 571 static int src_da16 (FILE *file,
 572                      GLuint _reg_type,
 573                      GLuint _reg_file,
 574                      GLuint _vert_stride,
 575                      GLuint _reg_nr,
 576                      GLuint _subreg_nr,
 577                      GLuint __abs,
 578                      GLuint _negate,
 579                      GLuint swz_x,
 580                      GLuint swz_y,
 581                      GLuint swz_z,
 582                      GLuint swz_w)
 583 {
 584     int err = 0;
 585     err |= control (file, "negate", negate, _negate, NULL);
 586     err |= control (file, "abs", _abs, __abs, NULL);
 587
 588     err |= reg (file, _reg_file, _reg_nr);
 589     if (err == -1)
 590         return 0;
 591     if (_subreg_nr)
 592         format (file, ".%d", _subreg_nr);
 593     string (file, "<");
 594     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 595     string (file, ",1,1>");
 596     err |= control (file, "src da16 reg type", reg_encoding, _reg_type, NULL);
 597     /*
 598      * Three kinds of swizzle display:
 599      *  identity - nothing printed
 600      *  1->all   - print the single channel
 601      *  1->1     - print the mapping
 602      */
 603     if (swz_x == BRW_CHANNEL_X &&
 604         swz_y == BRW_CHANNEL_Y &&
 605         swz_z == BRW_CHANNEL_Z &&
 606         swz_w == BRW_CHANNEL_W)
 607     {
 608         ;
 609     }
 610     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
 611     {
 612         string (file, ".");
 613         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 614     }
 615     else
 616     {
 617         string (file, ".");
 618         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 619         err |= control (file, "channel select", chan_sel, swz_y, NULL);
 620         err |= control (file, "channel select", chan_sel, swz_z, NULL);
 621         err |= control (file, "channel select", chan_sel, swz_w, NULL);
 622     }
 623     return err;
 624 }
 625
 626
 627 static int imm (FILE *file, GLuint type, struct brw_instruction *inst) {
 628     switch (type) {
 629     case BRW_REGISTER_TYPE_UD:
 630         format (file, "0x%08xUD", inst->bits3.ud);
 631         break;
 632     case BRW_REGISTER_TYPE_D:
 633         format (file, "%dD", inst->bits3.d);
 634         break;
 635     case BRW_REGISTER_TYPE_UW:
 636         format (file, "0x%04xUW", (uint16_t) inst->bits3.ud);
 637         break;
 638     case BRW_REGISTER_TYPE_W:
 639         format (file, "%dW", (int16_t) inst->bits3.d);
 640         break;
 641     case BRW_REGISTER_TYPE_UB:
 642         format (file, "0x%02xUB", (int8_t) inst->bits3.ud);
 643         break;
 644     case BRW_REGISTER_TYPE_VF:
 645         format (file, "Vector Float");
 646         break;
 647     case BRW_REGISTER_TYPE_V:
 648         format (file, "0x%08xV", inst->bits3.ud);
 649         break;
 650     case BRW_REGISTER_TYPE_F:
 651         format (file, "%-gF", inst->bits3.f);
 652     }
 653     return 0;
 654 }
 655
 656 static int src0 (FILE *file, struct brw_instruction *inst)
 657 {
 658     if (inst->bits1.da1.src0_reg_file == BRW_IMMEDIATE_VALUE)
 659         return imm (file, inst->bits1.da1.src0_reg_type,
 660                     inst);
 661     else if (inst->header.access_mode == BRW_ALIGN_1)
 662     {
 663         if (inst->bits2.da1.src0_address_mode == BRW_ADDRESS_DIRECT)
 664         {
 665             return src_da1 (file,
 666                             inst->bits1.da1.src0_reg_type,
 667                             inst->bits1.da1.src0_reg_file,
 668                             inst->bits2.da1.src0_vert_stride,
 669                             inst->bits2.da1.src0_width,
 670                             inst->bits2.da1.src0_horiz_stride,
 671                             inst->bits2.da1.src0_reg_nr,
 672                             inst->bits2.da1.src0_subreg_nr,
 673                             inst->bits2.da1.src0_abs,
 674                             inst->bits2.da1.src0_negate);
 675         }
 676         else
 677         {
 678             return src_ia1 (file,
 679                             inst->bits1.ia1.src0_reg_type,
 680                             inst->bits1.ia1.src0_reg_file,
 681                             inst->bits2.ia1.src0_indirect_offset,
 682                             inst->bits2.ia1.src0_subreg_nr,
 683                             inst->bits2.ia1.src0_negate,
 684                             inst->bits2.ia1.src0_abs,
 685                             inst->bits2.ia1.src0_address_mode,
 686                             inst->bits2.ia1.src0_horiz_stride,
 687                             inst->bits2.ia1.src0_width,
 688                             inst->bits2.ia1.src0_vert_stride);
 689         }
 690     }
 691     else
 692     {
 693         if (inst->bits2.da16.src0_address_mode == BRW_ADDRESS_DIRECT)
 694         {
 695             return src_da16 (file,
 696                              inst->bits1.da16.src0_reg_type,
 697                              inst->bits1.da16.src0_reg_file,
 698                              inst->bits2.da16.src0_vert_stride,
 699                              inst->bits2.da16.src0_reg_nr,
 700                              inst->bits2.da16.src0_subreg_nr,
 701                              inst->bits2.da16.src0_abs,
 702                              inst->bits2.da16.src0_negate,
 703                              inst->bits2.da16.src0_swz_x,
 704                              inst->bits2.da16.src0_swz_y,
 705                              inst->bits2.da16.src0_swz_z,
 706                              inst->bits2.da16.src0_swz_w);
 707         }
 708         else
 709         {
 710             string (file, "Indirect align16 address mode not supported");
 711             return 1;
 712         }
 713     }
 714 }
 715
 716 static int src1 (FILE *file, struct brw_instruction *inst)
 717 {
 718     if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
 719         return imm (file, inst->bits1.da1.src1_reg_type,
 720                     inst);
 721     else if (inst->header.access_mode == BRW_ALIGN_1)
 722     {
 723         if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
 724         {
 725             return src_da1 (file,
 726                             inst->bits1.da1.src1_reg_type,
 727                             inst->bits1.da1.src1_reg_file,
 728                             inst->bits3.da1.src1_vert_stride,
 729                             inst->bits3.da1.src1_width,
 730                             inst->bits3.da1.src1_horiz_stride,
 731                             inst->bits3.da1.src1_reg_nr,
 732                             inst->bits3.da1.src1_subreg_nr,
 733                             inst->bits3.da1.src1_abs,
 734                             inst->bits3.da1.src1_negate);
 735         }
 736         else
 737         {
 738             return src_ia1 (file,
 739                             inst->bits1.ia1.src1_reg_type,
 740                             inst->bits1.ia1.src1_reg_file,
 741                             inst->bits3.ia1.src1_indirect_offset,
 742                             inst->bits3.ia1.src1_subreg_nr,
 743                             inst->bits3.ia1.src1_negate,
 744                             inst->bits3.ia1.src1_abs,
 745                             inst->bits3.ia1.src1_address_mode,
 746                             inst->bits3.ia1.src1_horiz_stride,
 747                             inst->bits3.ia1.src1_width,
 748                             inst->bits3.ia1.src1_vert_stride);
 749         }
 750     }
 751     else
 752     {
 753         if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
 754         {
 755             return src_da16 (file,
 756                              inst->bits1.da16.src1_reg_type,
 757                              inst->bits1.da16.src1_reg_file,
 758                              inst->bits3.da16.src1_vert_stride,
 759                              inst->bits3.da16.src1_reg_nr,
 760                              inst->bits3.da16.src1_subreg_nr,
 761                              inst->bits3.da16.src1_abs,
 762                              inst->bits3.da16.src1_negate,
 763                              inst->bits3.da16.src1_swz_x,
 764                              inst->bits3.da16.src1_swz_y,
 765                              inst->bits3.da16.src1_swz_z,
 766                              inst->bits3.da16.src1_swz_w);
 767         }
 768         else
 769         {
 770             string (file, "Indirect align16 address mode not supported");
 771             return 1;
 772         }
 773     }
 774 }
 775
 776 int brw_disasm (FILE *file, struct brw_instruction *inst)
 777 {
 778     int err = 0;
 779     int space = 0;
 780
 781     if (inst->header.predicate_control) {
 782         string (file, "(");
 783         err |= control (file, "predicate inverse", pred_inv, inst->header.predicate_inverse, NULL);
 784         string (file, "f0");
 785         if (inst->bits2.da1.flag_reg_nr)
 786             format (file, ".%d", inst->bits2.da1.flag_reg_nr);
 787         if (inst->header.access_mode == BRW_ALIGN_1)
 788             err |= control (file, "predicate control align1", pred_ctrl_align1,
 789                             inst->header.predicate_control, NULL);
 790         else
 791             err |= control (file, "predicate control align16", pred_ctrl_align16,
 792                             inst->header.predicate_control, NULL);
 793         string (file, ") ");
 794     }
 795
 796     err |= print_opcode (file, inst->header.opcode);
 797     err |= control (file, "saturate", saturate, inst->header.saturate, NULL);
 798     err |= control (file, "debug control", debug_ctrl, inst->header.debug_control, NULL);
 799
 800     if (inst->header.opcode != BRW_OPCODE_SEND)
 801         err |= control (file, "conditional modifier", conditional_modifier,
 802                         inst->header.destreg__conditionalmod, NULL);
 803
 804     if (inst->header.opcode != BRW_OPCODE_NOP) {
 805         string (file, "(");
 806         err |= control (file, "execution size", exec_size, inst->header.execution_size, NULL);
 807         string (file, ")");
 808     }
 809
 810     if (inst->header.opcode == BRW_OPCODE_SEND)
 811         format (file, " %d", inst->header.destreg__conditionalmod);
 812
 813     if (opcode[inst->header.opcode].ndst > 0) {
 814         pad (file, 16);
 815         err |= dest (file, inst);
 816     }
 817     if (opcode[inst->header.opcode].nsrc > 0) {
 818         pad (file, 32);
 819         err |= src0 (file, inst);
 820     }
 821     if (opcode[inst->header.opcode].nsrc > 1) {
 822         pad (file, 48);
 823         err |= src1 (file, inst);
 824     }
 825
 826     if (inst->header.opcode == BRW_OPCODE_SEND) {
 827         newline (file);
 828         pad (file, 16);
 829         space = 0;
 830         err |= control (file, "target function", target_function,
 831                         inst->bits3.generic.msg_target, &space);
 832         switch (inst->bits3.generic.msg_target) {
 833         case BRW_MESSAGE_TARGET_MATH:
 834             err |= control (file, "math function", math_function,
 835                             inst->bits3.math.function, &space);
 836             err |= control (file, "math saturate", math_saturate,
 837                             inst->bits3.math.saturate, &space);
 838             err |= control (file, "math signed", math_signed,
 839                             inst->bits3.math.int_type, &space);
 840             err |= control (file, "math scalar", math_scalar,
 841                             inst->bits3.math.data_type, &space);
 842             err |= control (file, "math precision", math_precision,
 843                             inst->bits3.math.precision, &space);
 844             break;
 845         case BRW_MESSAGE_TARGET_SAMPLER:
 846             format (file, " (%d, %d, ",
 847                     inst->bits3.sampler.binding_table_index,
 848                     inst->bits3.sampler.sampler);
 849             err |= control (file, "sampler target format", sampler_target_format,
 850                             inst->bits3.sampler.return_format, NULL);
 851             string (file, ")");
 852             break;
 853         case BRW_MESSAGE_TARGET_DATAPORT_WRITE:
 854             format (file, " (%d, %d, %d, %d)",
 855                     inst->bits3.dp_write.binding_table_index,
 856                     (inst->bits3.dp_write.pixel_scoreboard_clear << 3) |
 857                     inst->bits3.dp_write.msg_control,
 858                     inst->bits3.dp_write.msg_type,
 859                     inst->bits3.dp_write.send_commit_msg);
 860             break;
 861         case BRW_MESSAGE_TARGET_URB:
 862             format (file, " %d", inst->bits3.urb.offset);
 863             space = 1;
 864             err |= control (file, "urb swizzle", urb_swizzle,
 865                             inst->bits3.urb.swizzle_control, &space);
 866             err |= control (file, "urb allocate", urb_allocate,
 867                             inst->bits3.urb.allocate, &space);
 868             err |= control (file, "urb used", urb_used,
 869                             inst->bits3.urb.used, &space);
 870             err |= control (file, "urb complete", urb_complete,
 871                             inst->bits3.urb.complete, &space);
 872             break;
 873         case BRW_MESSAGE_TARGET_THREAD_SPAWNER:
 874             break;
 875         default:
 876             format (file, "unsupported target %d", inst->bits3.generic.msg_target);
 877             break;
 878         }
 879         if (space)
 880             string (file, " ");
 881         format (file, "mlen %d",
 882                 inst->bits3.generic.msg_length);
 883         format (file, " rlen %d",
 884                 inst->bits3.generic.response_length);
 885     }
 886     pad (file, 64);
 887     if (inst->header.opcode != BRW_OPCODE_NOP) {
 888         string (file, "{");
 889         space = 1;
 890         err |= control(file, "access mode", access_mode, inst->header.access_mode, &space);
 891         err |= control (file, "mask control", mask_ctrl, inst->header.mask_control, &space);
 892         err |= control (file, "dependency control", dep_ctrl, inst->header.dependency_control, &space);
 893         err |= control (file, "compression control", compr_ctrl, inst->header.compression_control, &space);
 894         err |= control (file, "thread control", thread_ctrl, inst->header.thread_control, &space);
 895         if (inst->header.opcode == BRW_OPCODE_SEND)
 896             err |= control (file, "end of thread", end_of_thread,
 897                             inst->bits3.generic.end_of_thread, &space);
 898         if (space)
 899             string (file, " ");
 900         string (file, "}");
 901     }
 902     string (file, ";");
 903     newline (file);
 904     return err;
 905 }