src/intel/tools/aubinator.c

   1 /*
   2  * Copyright © 2016 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <stdint.h>
  27 #include <getopt.h>
  28
  29 #include <unistd.h>
  30 #include <fcntl.h>
  31 #include <string.h>
  32 #include <signal.h>
  33 #include <errno.h>
  34 #include <inttypes.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <sys/wait.h>
  38 #include <sys/mman.h>
  39
  40 #include "util/macros.h"
  41
  42 #include "common/gen_decoder.h"
  43 #include "intel_aub.h"
  44 #include "gen_disasm.h"
  45
  46 /* Below is the only command missing from intel_aub.h in libdrm
  47  * So, reuse intel_aub.h from libdrm and #define the
  48  * AUB_MI_BATCH_BUFFER_END as below
  49  */
  50 #define AUB_MI_BATCH_BUFFER_END (0x0500 << 16)
  51
  52 #define CSI "\e["
  53 #define BLUE_HEADER  CSI "0;44m"
  54 #define GREEN_HEADER CSI "1;42m"
  55 #define NORMAL       CSI "0m"
  56
  57 /* options */
  58
  59 static bool option_full_decode = true;
  60 static bool option_print_offsets = true;
  61 static enum { COLOR_AUTO, COLOR_ALWAYS, COLOR_NEVER } option_color;
  62
  63 /* state */
  64
  65 uint16_t pci_id = 0;
  66 char *input_file = NULL, *xml_path = NULL;
  67 struct gen_spec *spec;
  68 struct gen_disasm *disasm;
  69
  70 uint64_t gtt_size, gtt_end;
  71 void *gtt;
  72 uint64_t general_state_base;
  73 uint64_t surface_state_base;
  74 uint64_t dynamic_state_base;
  75 uint64_t instruction_base;
  76 uint64_t instruction_bound;
  77
  78 FILE *outfile;
  79
  80 static inline uint32_t
  81 field(uint32_t value, int start, int end)
  82 {
  83    uint32_t mask;
  84
  85    mask = ~0U >> (31 - end + start);
  86
  87    return (value >> start) & mask;
  88 }
  89
  90 struct brw_instruction;
  91
  92 static inline int
  93 valid_offset(uint32_t offset)
  94 {
  95    return offset < gtt_end;
  96 }
  97
  98 static void
  99 decode_group(struct gen_group *strct, const uint32_t *p, int starting_dword)
 100 {
 101    uint64_t offset = option_print_offsets ? (void *) p - gtt : 0;
 102    gen_print_group(outfile, strct, offset, p, starting_dword,
 103                    option_color == COLOR_ALWAYS);
 104 }
 105
 106 static void
 107 dump_binding_table(struct gen_spec *spec, uint32_t offset)
 108 {
 109    uint32_t *pointers, i;
 110    uint64_t start;
 111    struct gen_group *surface_state;
 112
 113    surface_state = gen_spec_find_struct(spec, "RENDER_SURFACE_STATE");
 114    if (surface_state == NULL) {
 115       fprintf(outfile, "did not find RENDER_SURFACE_STATE info\n");
 116       return;
 117    }
 118
 119    start = surface_state_base + offset;
 120    pointers = gtt + start;
 121    for (i = 0; i < 16; i++) {
 122       if (pointers[i] == 0)
 123          continue;
 124       start = pointers[i] + surface_state_base;
 125       if (!valid_offset(start)) {
 126          fprintf(outfile, "pointer %u: %08x <not valid>\n",
 127                  i, pointers[i]);
 128          continue;
 129       } else {
 130          fprintf(outfile, "pointer %u: %08x\n", i, pointers[i]);
 131       }
 132
 133       decode_group(surface_state, gtt + start, 0);
 134    }
 135 }
 136
 137 static void
 138 handle_3dstate_index_buffer(struct gen_spec *spec, uint32_t *p)
 139 {
 140    void *start;
 141    uint32_t length, i, type, size;
 142
 143    start = gtt + p[2];
 144    type = (p[1] >> 8) & 3;
 145    size = 1 << type;
 146    length = p[4] / size;
 147    if (length > 10)
 148       length = 10;
 149
 150    fprintf(outfile, "\t");
 151
 152    for (i = 0; i < length; i++) {
 153       switch (type) {
 154       case 0:
 155          fprintf(outfile, "%3d ", ((uint8_t *)start)[i]);
 156          break;
 157       case 1:
 158          fprintf(outfile, "%3d ", ((uint16_t *)start)[i]);
 159          break;
 160       case 2:
 161          fprintf(outfile, "%3d ", ((uint32_t *)start)[i]);
 162          break;
 163       }
 164    }
 165    if (length < p[4] / size)
 166       fprintf(outfile, "...\n");
 167    else
 168       fprintf(outfile, "\n");
 169 }
 170
 171 static inline uint64_t
 172 get_address(struct gen_spec *spec, uint32_t *p)
 173 {
 174    /* Addresses are always guaranteed to be page-aligned and sometimes
 175     * hardware packets have extra stuff stuffed in the bottom 12 bits.
 176     */
 177    uint64_t addr = p[0] & ~0xfffu;
 178
 179    if (gen_spec_get_gen(spec) >= gen_make_gen(8,0)) {
 180       /* On Broadwell and above, we have 48-bit addresses which consume two
 181        * dwords.  Some packets require that these get stored in a "canonical
 182        * form" which means that bit 47 is sign-extended through the upper
 183        * bits. In order to correctly handle those aub dumps, we need to mask
 184        * off the top 16 bits.
 185        */
 186       addr |= ((uint64_t)p[1] & 0xffff) << 32;
 187    }
 188
 189    return addr;
 190 }
 191
 192 static inline uint64_t
 193 get_offset(uint32_t *p, uint32_t start, uint32_t end)
 194 {
 195    assert(start <= end);
 196    assert(end < 64);
 197
 198    uint64_t mask = (~0ull >> (64 - (end - start + 1))) << start;
 199
 200    uint64_t offset = p[0];
 201    if (end >= 32)
 202       offset |= (uint64_t) p[1] << 32;
 203
 204    return offset & mask;
 205 }
 206
 207 static void
 208 handle_state_base_address(struct gen_spec *spec, uint32_t *p)
 209 {
 210    if (gen_spec_get_gen(spec) >= gen_make_gen(8,0)) {
 211       if (p[1] & 1)
 212          general_state_base = get_address(spec, &p[1]);
 213       if (p[4] & 1)
 214          surface_state_base = get_address(spec, &p[4]);
 215       if (p[6] & 1)
 216          dynamic_state_base = get_address(spec, &p[6]);
 217       if (p[10] & 1)
 218          instruction_base = get_address(spec, &p[10]);
 219       if (p[15] & 1)
 220          instruction_bound = p[15] & 0xfff;
 221    } else {
 222       if (p[2] & 1)
 223          surface_state_base = get_address(spec, &p[2]);
 224       if (p[3] & 1)
 225          dynamic_state_base = get_address(spec, &p[3]);
 226       if (p[5] & 1)
 227          instruction_base = get_address(spec, &p[5]);
 228       if (p[9] & 1)
 229          instruction_bound = get_address(spec, &p[9]);
 230    }
 231 }
 232
 233 static void
 234 dump_samplers(struct gen_spec *spec, uint32_t offset)
 235 {
 236    uint32_t i;
 237    uint64_t start;
 238    struct gen_group *sampler_state;
 239
 240    sampler_state = gen_spec_find_struct(spec, "SAMPLER_STATE");
 241
 242    start = dynamic_state_base + offset;
 243    for (i = 0; i < 4; i++) {
 244       fprintf(outfile, "sampler state %d\n", i);
 245       decode_group(sampler_state, gtt + start + i * 16, 0);
 246    }
 247 }
 248
 249 static void
 250 handle_media_interface_descriptor_load(struct gen_spec *spec, uint32_t *p)
 251 {
 252    int i, length = p[2] / 32;
 253    struct gen_group *descriptor_structure;
 254    uint32_t *descriptors;
 255    uint64_t start;
 256    struct brw_instruction *insns;
 257
 258    descriptor_structure =
 259       gen_spec_find_struct(spec, "INTERFACE_DESCRIPTOR_DATA");
 260    if (descriptor_structure == NULL) {
 261       fprintf(outfile, "did not find INTERFACE_DESCRIPTOR_DATA info\n");
 262       return;
 263    }
 264
 265    start = dynamic_state_base + p[3];
 266    descriptors = gtt + start;
 267    for (i = 0; i < length; i++, descriptors += 8) {
 268       fprintf(outfile, "descriptor %u: %08x\n", i, *descriptors);
 269       decode_group(descriptor_structure, descriptors, 0);
 270
 271       start = instruction_base + descriptors[0];
 272       if (!valid_offset(start)) {
 273          fprintf(outfile, "kernel: %08"PRIx64" <not valid>\n", start);
 274          continue;
 275       } else {
 276          fprintf(outfile, "kernel: %08"PRIx64"\n", start);
 277       }
 278
 279       insns = (struct brw_instruction *) (gtt + start);
 280       gen_disasm_disassemble(disasm, insns, 0, stdout);
 281
 282       dump_samplers(spec, descriptors[3] & ~0x1f);
 283       dump_binding_table(spec, descriptors[4] & ~0x1f);
 284    }
 285 }
 286
 287 /* Heuristic to determine whether a uint32_t is probably actually a float
 288  * (http://stackoverflow.com/a/2953466)
 289  */
 290
 291 static bool
 292 probably_float(uint32_t bits)
 293 {
 294    int exp = ((bits & 0x7f800000U) >> 23) - 127;
 295    uint32_t mant = bits & 0x007fffff;
 296
 297    /* +- 0.0 */
 298    if (exp == -127 && mant == 0)
 299       return true;
 300
 301    /* +- 1 billionth to 1 billion */
 302    if (-30 <= exp && exp <= 30)
 303       return true;
 304
 305    /* some value with only a few binary digits */
 306    if ((mant & 0x0000ffff) == 0)
 307       return true;
 308
 309    return false;
 310 }
 311
 312 static void
 313 handle_3dstate_vertex_buffers(struct gen_spec *spec, uint32_t *p)
 314 {
 315    uint32_t *end, *s, *dw, *dwend;
 316    uint64_t offset;
 317    int n, i, count, stride;
 318
 319    end = (p[0] & 0xff) + p + 2;
 320    for (s = &p[1], n = 0; s < end; s += 4, n++) {
 321       if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 322          offset = *(uint64_t *) &s[1];
 323          dwend = gtt + offset + s[3];
 324       } else {
 325          offset = s[1];
 326          dwend = gtt + s[2] + 1;
 327       }
 328
 329       stride = field(s[0], 0, 11);
 330       count = 0;
 331       fprintf(outfile, "vertex buffer %d, size %d\n", n, s[3]);
 332       for (dw = gtt + offset, i = 0; dw < dwend && i < 256; dw++) {
 333          if (count == 0 && count % (8 * 4) == 0)
 334             fprintf(outfile, "  ");
 335
 336          if (probably_float(*dw))
 337             fprintf(outfile, "  %8.2f", *(float *) dw);
 338          else
 339             fprintf(outfile, "  0x%08x", *dw);
 340
 341          i++;
 342          count += 4;
 343
 344          if (count == stride) {
 345             fprintf(outfile, "\n");
 346             count = 0;
 347          } else if (count % (8 * 4) == 0) {
 348             fprintf(outfile, "\n");
 349          } else {
 350             fprintf(outfile, " ");
 351          }
 352       }
 353       if (count > 0 && count % (8 * 4) != 0)
 354          fprintf(outfile, "\n");
 355    }
 356 }
 357
 358 static void
 359 handle_3dstate_vs(struct gen_spec *spec, uint32_t *p)
 360 {
 361    uint64_t start;
 362    struct brw_instruction *insns;
 363    int vs_enable;
 364
 365    if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 366       start = get_offset(&p[1], 6, 63);
 367       vs_enable = p[7] & 1;
 368    } else {
 369       start = get_offset(&p[1], 6, 31);
 370       vs_enable = p[5] & 1;
 371    }
 372
 373    if (vs_enable) {
 374       fprintf(outfile, "instruction_base %08"PRIx64", start %08"PRIx64"\n",
 375               instruction_base, start);
 376
 377       insns = (struct brw_instruction *) (gtt + instruction_base + start);
 378       gen_disasm_disassemble(disasm, insns, 0, stdout);
 379    }
 380 }
 381
 382 static void
 383 handle_3dstate_hs(struct gen_spec *spec, uint32_t *p)
 384 {
 385    uint64_t start;
 386    struct brw_instruction *insns;
 387    int hs_enable;
 388
 389    if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 390       start = get_offset(&p[3], 6, 63);
 391    } else {
 392       start = get_offset(&p[3], 6, 31);
 393    }
 394
 395    hs_enable = p[2] & 0x80000000;
 396
 397    if (hs_enable) {
 398       fprintf(outfile, "instruction_base %08"PRIx64", start %08"PRIx64"\n",
 399               instruction_base, start);
 400
 401       insns = (struct brw_instruction *) (gtt + instruction_base + start);
 402       gen_disasm_disassemble(disasm, insns, 0, stdout);
 403    }
 404 }
 405
 406 static void
 407 handle_3dstate_constant(struct gen_spec *spec, uint32_t *p)
 408 {
 409    int i, j, length;
 410    uint32_t *dw;
 411    float *f;
 412
 413    for (i = 0; i < 4; i++) {
 414       length = (p[1 + i / 2] >> (i & 1) * 16) & 0xffff;
 415       f = (float *) (gtt + p[3 + i * 2] + dynamic_state_base);
 416       dw = (uint32_t *) f;
 417       for (j = 0; j < length * 8; j++) {
 418          if (probably_float(dw[j]))
 419             fprintf(outfile, "  %04.3f", f[j]);
 420          else
 421             fprintf(outfile, "  0x%08x", dw[j]);
 422
 423          if ((j & 7) == 7)
 424             fprintf(outfile, "\n");
 425       }
 426    }
 427 }
 428
 429 static void
 430 handle_3dstate_ps(struct gen_spec *spec, uint32_t *p)
 431 {
 432    uint32_t mask = ~((1 << 6) - 1);
 433    uint64_t start;
 434    struct brw_instruction *insns;
 435    static const char unused[] = "unused";
 436    static const char *pixel_type[3] = {"8 pixel", "16 pixel", "32 pixel"};
 437    const char *k0, *k1, *k2;
 438    uint32_t k_mask, k1_offset, k2_offset;
 439
 440    if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 441       k_mask = p[6] & 7;
 442       k1_offset = 8;
 443       k2_offset = 10;
 444    } else {
 445       k_mask = p[4] & 7;
 446       k1_offset = 6;
 447       k2_offset = 7;
 448    }
 449
 450 #define DISPATCH_8 1
 451 #define DISPATCH_16 2
 452 #define DISPATCH_32 4
 453
 454    switch (k_mask) {
 455    case DISPATCH_8:
 456       k0 = pixel_type[0];
 457       k1 = unused;
 458       k2 = unused;
 459       break;
 460    case DISPATCH_16:
 461       k0 = pixel_type[1];
 462       k1 = unused;
 463       k2 = unused;
 464       break;
 465    case DISPATCH_8 | DISPATCH_16:
 466       k0 = pixel_type[0];
 467       k1 = unused;
 468       k2 = pixel_type[1];
 469       break;
 470    case DISPATCH_32:
 471       k0 = pixel_type[2];
 472       k1 = unused;
 473       k2 = unused;
 474       break;
 475    case DISPATCH_16 | DISPATCH_32:
 476       k0 = unused;
 477       k1 = pixel_type[2];
 478       k2 = pixel_type[1];
 479       break;
 480    case DISPATCH_8 | DISPATCH_16 | DISPATCH_32:
 481       k0 = pixel_type[0];
 482       k1 = pixel_type[2];
 483       k2 = pixel_type[1];
 484       break;
 485    default:
 486       k0 = unused;
 487       k1 = unused;
 488       k2 = unused;
 489       break;
 490    }
 491
 492    start = instruction_base + (p[1] & mask);
 493    fprintf(outfile, "  Kernel[0] %s\n", k0);
 494    if (k0 != unused) {
 495       insns = (struct brw_instruction *) (gtt + start);
 496       gen_disasm_disassemble(disasm, insns, 0, stdout);
 497    }
 498
 499    start = instruction_base + (p[k1_offset] & mask);
 500    fprintf(outfile, "  Kernel[1] %s\n", k1);
 501    if (k1 != unused) {
 502       insns = (struct brw_instruction *) (gtt + start);
 503       gen_disasm_disassemble(disasm, insns, 0, stdout);
 504    }
 505
 506    start = instruction_base + (p[k2_offset] & mask);
 507    fprintf(outfile, "  Kernel[2] %s\n", k2);
 508    if (k2 != unused) {
 509       insns = (struct brw_instruction *) (gtt + start);
 510       gen_disasm_disassemble(disasm, insns, 0, stdout);
 511    }
 512 }
 513
 514 static void
 515 handle_3dstate_binding_table_pointers(struct gen_spec *spec, uint32_t *p)
 516 {
 517    dump_binding_table(spec, p[1]);
 518 }
 519
 520 static void
 521 handle_3dstate_sampler_state_pointers(struct gen_spec *spec, uint32_t *p)
 522 {
 523    dump_samplers(spec, p[1]);
 524 }
 525
 526 static void
 527 handle_3dstate_viewport_state_pointers_cc(struct gen_spec *spec, uint32_t *p)
 528 {
 529    uint64_t start;
 530    struct gen_group *cc_viewport;
 531
 532    cc_viewport = gen_spec_find_struct(spec, "CC_VIEWPORT");
 533
 534    start = dynamic_state_base + (p[1] & ~0x1fu);
 535    for (uint32_t i = 0; i < 4; i++) {
 536       fprintf(outfile, "viewport %d\n", i);
 537       decode_group(cc_viewport, gtt + start + i * 8, 0);
 538    }
 539 }
 540
 541 static void
 542 handle_3dstate_viewport_state_pointers_sf_clip(struct gen_spec *spec,
 543                                                uint32_t *p)
 544 {
 545    uint64_t start;
 546    struct gen_group *sf_clip_viewport;
 547
 548    sf_clip_viewport = gen_spec_find_struct(spec, "SF_CLIP_VIEWPORT");
 549
 550    start = dynamic_state_base + (p[1] & ~0x3fu);
 551    for (uint32_t i = 0; i < 4; i++) {
 552       fprintf(outfile, "viewport %d\n", i);
 553       decode_group(sf_clip_viewport, gtt + start + i * 64, 0);
 554    }
 555 }
 556
 557 static void
 558 handle_3dstate_blend_state_pointers(struct gen_spec *spec, uint32_t *p)
 559 {
 560    uint64_t start;
 561    struct gen_group *blend_state;
 562
 563    blend_state = gen_spec_find_struct(spec, "BLEND_STATE");
 564
 565    start = dynamic_state_base + (p[1] & ~0x3fu);
 566    decode_group(blend_state, gtt + start, 0);
 567 }
 568
 569 static void
 570 handle_3dstate_cc_state_pointers(struct gen_spec *spec, uint32_t *p)
 571 {
 572    uint64_t start;
 573    struct gen_group *cc_state;
 574
 575    cc_state = gen_spec_find_struct(spec, "COLOR_CALC_STATE");
 576
 577    start = dynamic_state_base + (p[1] & ~0x3fu);
 578    decode_group(cc_state, gtt + start, 0);
 579 }
 580
 581 static void
 582 handle_3dstate_scissor_state_pointers(struct gen_spec *spec, uint32_t *p)
 583 {
 584    uint64_t start;
 585    struct gen_group *scissor_rect;
 586
 587    scissor_rect = gen_spec_find_struct(spec, "SCISSOR_RECT");
 588
 589    start = dynamic_state_base + (p[1] & ~0x1fu);
 590    decode_group(scissor_rect, gtt + start, 0);
 591 }
 592
 593 static void
 594 handle_load_register_imm(struct gen_spec *spec, uint32_t *p)
 595 {
 596    struct gen_group *reg = gen_spec_find_register(spec, p[1]);
 597
 598    if (reg != NULL) {
 599       fprintf(outfile, "register %s (0x%x): 0x%x\n",
 600               reg->name, reg->register_offset, p[2]);
 601       decode_group(reg, &p[2], 0);
 602    }
 603 }
 604
 605 #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
 606
 607 #define STATE_BASE_ADDRESS                  0x61010000
 608
 609 #define MEDIA_INTERFACE_DESCRIPTOR_LOAD     0x70020000
 610
 611 #define _3DSTATE_INDEX_BUFFER               0x780a0000
 612 #define _3DSTATE_VERTEX_BUFFERS             0x78080000
 613
 614 #define _3DSTATE_VS                         0x78100000
 615 #define _3DSTATE_GS                         0x78110000
 616 #define _3DSTATE_HS                         0x781b0000
 617 #define _3DSTATE_DS                         0x781d0000
 618
 619 #define _3DSTATE_CONSTANT_VS                0x78150000
 620 #define _3DSTATE_CONSTANT_GS                0x78160000
 621 #define _3DSTATE_CONSTANT_PS                0x78170000
 622 #define _3DSTATE_CONSTANT_HS                0x78190000
 623 #define _3DSTATE_CONSTANT_DS                0x781A0000
 624
 625 #define _3DSTATE_PS                         0x78200000
 626
 627 #define _3DSTATE_BINDING_TABLE_POINTERS_VS  0x78260000
 628 #define _3DSTATE_BINDING_TABLE_POINTERS_HS  0x78270000
 629 #define _3DSTATE_BINDING_TABLE_POINTERS_DS  0x78280000
 630 #define _3DSTATE_BINDING_TABLE_POINTERS_GS  0x78290000
 631 #define _3DSTATE_BINDING_TABLE_POINTERS_PS  0x782a0000
 632
 633 #define _3DSTATE_SAMPLER_STATE_POINTERS_VS  0x782b0000
 634 #define _3DSTATE_SAMPLER_STATE_POINTERS_GS  0x782e0000
 635 #define _3DSTATE_SAMPLER_STATE_POINTERS_PS  0x782f0000
 636
 637 #define _3DSTATE_VIEWPORT_STATE_POINTERS_CC 0x78230000
 638 #define _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP 0x78210000
 639 #define _3DSTATE_BLEND_STATE_POINTERS       0x78240000
 640 #define _3DSTATE_CC_STATE_POINTERS          0x780e0000
 641 #define _3DSTATE_SCISSOR_STATE_POINTERS     0x780f0000
 642
 643 #define _MI_LOAD_REGISTER_IMM               0x11000000
 644
 645 struct custom_handler {
 646    uint32_t opcode;
 647    void (*handle)(struct gen_spec *spec, uint32_t *p);
 648 } custom_handlers[] = {
 649    { STATE_BASE_ADDRESS, handle_state_base_address },
 650    { MEDIA_INTERFACE_DESCRIPTOR_LOAD, handle_media_interface_descriptor_load },
 651    { _3DSTATE_VERTEX_BUFFERS, handle_3dstate_vertex_buffers },
 652    { _3DSTATE_INDEX_BUFFER, handle_3dstate_index_buffer },
 653    { _3DSTATE_VS, handle_3dstate_vs },
 654    { _3DSTATE_GS, handle_3dstate_vs },
 655    { _3DSTATE_DS, handle_3dstate_vs },
 656    { _3DSTATE_HS, handle_3dstate_hs },
 657    { _3DSTATE_CONSTANT_VS, handle_3dstate_constant },
 658    { _3DSTATE_CONSTANT_GS, handle_3dstate_constant },
 659    { _3DSTATE_CONSTANT_PS, handle_3dstate_constant },
 660    { _3DSTATE_CONSTANT_HS, handle_3dstate_constant },
 661    { _3DSTATE_CONSTANT_DS, handle_3dstate_constant },
 662    { _3DSTATE_PS, handle_3dstate_ps },
 663
 664    { _3DSTATE_BINDING_TABLE_POINTERS_VS, handle_3dstate_binding_table_pointers },
 665    { _3DSTATE_BINDING_TABLE_POINTERS_HS, handle_3dstate_binding_table_pointers },
 666    { _3DSTATE_BINDING_TABLE_POINTERS_DS, handle_3dstate_binding_table_pointers },
 667    { _3DSTATE_BINDING_TABLE_POINTERS_GS, handle_3dstate_binding_table_pointers },
 668    { _3DSTATE_BINDING_TABLE_POINTERS_PS, handle_3dstate_binding_table_pointers },
 669
 670    { _3DSTATE_SAMPLER_STATE_POINTERS_VS, handle_3dstate_sampler_state_pointers },
 671    { _3DSTATE_SAMPLER_STATE_POINTERS_GS, handle_3dstate_sampler_state_pointers },
 672    { _3DSTATE_SAMPLER_STATE_POINTERS_PS, handle_3dstate_sampler_state_pointers },
 673
 674    { _3DSTATE_VIEWPORT_STATE_POINTERS_CC, handle_3dstate_viewport_state_pointers_cc },
 675    { _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP, handle_3dstate_viewport_state_pointers_sf_clip },
 676    { _3DSTATE_BLEND_STATE_POINTERS, handle_3dstate_blend_state_pointers },
 677    { _3DSTATE_CC_STATE_POINTERS, handle_3dstate_cc_state_pointers },
 678    { _3DSTATE_SCISSOR_STATE_POINTERS, handle_3dstate_scissor_state_pointers },
 679    { _MI_LOAD_REGISTER_IMM, handle_load_register_imm }
 680 };
 681
 682 static void
 683 parse_commands(struct gen_spec *spec, uint32_t *cmds, int size, int engine)
 684 {
 685    uint32_t *p, *end = cmds + size / 4;
 686    unsigned int length, i;
 687    struct gen_group *inst;
 688
 689    for (p = cmds; p < end; p += length) {
 690       inst = gen_spec_find_instruction(spec, p);
 691       if (inst == NULL) {
 692          fprintf(outfile, "unknown instruction %08x\n", p[0]);
 693          length = (p[0] & 0xff) + 2;
 694          continue;
 695       }
 696       length = gen_group_get_length(inst, p);
 697
 698       const char *color, *reset_color = NORMAL;
 699       uint64_t offset;
 700
 701       if (option_full_decode) {
 702          if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_START ||
 703              (p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_END)
 704             color = GREEN_HEADER;
 705          else
 706             color = BLUE_HEADER;
 707       } else
 708          color = NORMAL;
 709
 710       if (option_color == COLOR_NEVER) {
 711          color = "";
 712          reset_color = "";
 713       }
 714
 715       if (option_print_offsets)
 716          offset = (void *) p - gtt;
 717       else
 718          offset = 0;
 719
 720       fprintf(outfile, "%s0x%08"PRIx64":  0x%08x:  %-80s%s\n",
 721               color, offset, p[0],
 722               gen_group_get_name(inst), reset_color);
 723
 724       if (option_full_decode) {
 725          decode_group(inst, p, 1);
 726
 727          for (i = 0; i < ARRAY_LENGTH(custom_handlers); i++) {
 728             if (gen_group_get_opcode(inst) == custom_handlers[i].opcode)
 729                custom_handlers[i].handle(spec, p);
 730          }
 731       }
 732
 733       if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_START) {
 734          uint64_t start = get_address(spec, &p[1]);
 735
 736          if (p[0] & (1 << 22)) {
 737             /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" set acts
 738              * like a subroutine call.  Commands that come afterwards get
 739              * processed once the 2nd level batch buffer returns with
 740              * MI_BATCH_BUFFER_END.
 741              */
 742             parse_commands(spec, gtt + start, gtt_end - start, engine);
 743          } else {
 744             /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" unset acts
 745              * like a goto.  Nothing after it will ever get processed.  In
 746              * order to prevent the recursion from growing, we just reset the
 747              * loop and continue;
 748              */
 749             p = gtt + start;
 750             /* We don't know where secondaries end so use the GTT end */
 751             end = gtt + gtt_end;
 752             length = 0;
 753             continue;
 754          }
 755       } else if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_END) {
 756          break;
 757       }
 758    }
 759 }
 760
 761 #define GEN_ENGINE_RENDER 1
 762 #define GEN_ENGINE_BLITTER 2
 763
 764 static void
 765 handle_trace_block(uint32_t *p)
 766 {
 767    int operation = p[1] & AUB_TRACE_OPERATION_MASK;
 768    int type = p[1] & AUB_TRACE_TYPE_MASK;
 769    int address_space = p[1] & AUB_TRACE_ADDRESS_SPACE_MASK;
 770    uint64_t offset = p[3];
 771    uint32_t size = p[4];
 772    int header_length = p[0] & 0xffff;
 773    uint32_t *data = p + header_length + 2;
 774    int engine = GEN_ENGINE_RENDER;
 775
 776    if (gen_spec_get_gen(spec) >= gen_make_gen(8,0))
 777       offset += (uint64_t) p[5] << 32;
 778
 779    switch (operation) {
 780    case AUB_TRACE_OP_DATA_WRITE:
 781       if (address_space != AUB_TRACE_MEMTYPE_GTT)
 782          break;
 783       if (gtt_size < offset + size) {
 784          fprintf(stderr, "overflow gtt space: %s\n", strerror(errno));
 785          exit(EXIT_FAILURE);
 786       }
 787       memcpy((char *) gtt + offset, data, size);
 788       if (gtt_end < offset + size)
 789          gtt_end = offset + size;
 790       break;
 791    case AUB_TRACE_OP_COMMAND_WRITE:
 792       switch (type) {
 793       case AUB_TRACE_TYPE_RING_PRB0:
 794          engine = GEN_ENGINE_RENDER;
 795          break;
 796       case AUB_TRACE_TYPE_RING_PRB2:
 797          engine = GEN_ENGINE_BLITTER;
 798          break;
 799       default:
 800          fprintf(outfile, "command write to unknown ring %d\n", type);
 801          break;
 802       }
 803
 804       parse_commands(spec, data, size, engine);
 805       gtt_end = 0;
 806       break;
 807    }
 808 }
 809
 810 static void
 811 handle_trace_header(uint32_t *p)
 812 {
 813    /* The intel_aubdump tool from IGT is kind enough to put a PCI-ID= tag in
 814     * the AUB header comment.  If the user hasn't specified a hardware
 815     * generation, try to use the one from the AUB file.
 816     */
 817    uint32_t *end = p + (p[0] & 0xffff) + 2;
 818    int aub_pci_id = 0;
 819    if (end > &p[12] && p[12] > 0)
 820       sscanf((char *)&p[13], "PCI-ID=%i", &aub_pci_id);
 821
 822    if (pci_id == 0)
 823       pci_id = aub_pci_id;
 824
 825    struct gen_device_info devinfo;
 826    if (!gen_get_device_info(pci_id, &devinfo)) {
 827       fprintf(stderr, "can't find device information: pci_id=0x%x\n", pci_id);
 828       exit(EXIT_FAILURE);
 829    }
 830
 831    if (xml_path == NULL)
 832       spec = gen_spec_load(&devinfo);
 833    else
 834       spec = gen_spec_load_from_path(&devinfo, xml_path);
 835    disasm = gen_disasm_create(pci_id);
 836
 837    if (spec == NULL || disasm == NULL)
 838       exit(EXIT_FAILURE);
 839
 840    fprintf(outfile, "%sAubinator: Intel AUB file decoder.%-80s%s\n",
 841            GREEN_HEADER, "", NORMAL);
 842
 843    if (input_file)
 844       fprintf(outfile, "File name:        %s\n", input_file);
 845
 846    if (aub_pci_id)
 847       fprintf(outfile, "PCI ID:           0x%x\n", aub_pci_id);
 848
 849    char app_name[33];
 850    strncpy(app_name, (char *)&p[2], 32);
 851    app_name[32] = 0;
 852    fprintf(outfile, "Application name: %s\n", app_name);
 853
 854    fprintf(outfile, "Decoding as:      %s\n", gen_get_device_name(pci_id));
 855
 856    /* Throw in a new line before the first batch */
 857    fprintf(outfile, "\n");
 858 }
 859
 860 struct aub_file {
 861    FILE *stream;
 862
 863    uint32_t *map, *end, *cursor;
 864    uint32_t *mem_end;
 865 };
 866
 867 static struct aub_file *
 868 aub_file_open(const char *filename)
 869 {
 870    struct aub_file *file;
 871    struct stat sb;
 872    int fd;
 873
 874    file = calloc(1, sizeof *file);
 875    fd = open(filename, O_RDONLY);
 876    if (fd == -1) {
 877       fprintf(stderr, "open %s failed: %s\n", filename, strerror(errno));
 878       exit(EXIT_FAILURE);
 879    }
 880
 881    if (fstat(fd, &sb) == -1) {
 882       fprintf(stderr, "stat failed: %s\n", strerror(errno));
 883       exit(EXIT_FAILURE);
 884    }
 885
 886    file->map = mmap(NULL, sb.st_size,
 887                     PROT_READ, MAP_SHARED, fd, 0);
 888    if (file->map == MAP_FAILED) {
 889       fprintf(stderr, "mmap failed: %s\n", strerror(errno));
 890       exit(EXIT_FAILURE);
 891    }
 892
 893    file->cursor = file->map;
 894    file->end = file->map + sb.st_size / 4;
 895
 896    return file;
 897 }
 898
 899 static struct aub_file *
 900 aub_file_stdin(void)
 901 {
 902    struct aub_file *file;
 903
 904    file = calloc(1, sizeof *file);
 905    file->stream = stdin;
 906
 907    return file;
 908 }
 909
 910 #define TYPE(dw)       (((dw) >> 29) & 7)
 911 #define OPCODE(dw)     (((dw) >> 23) & 0x3f)
 912 #define SUBOPCODE(dw)  (((dw) >> 16) & 0x7f)
 913
 914 #define MAKE_HEADER(type, opcode, subopcode) \
 915                    (((type) << 29) | ((opcode) << 23) | ((subopcode) << 16))
 916
 917 #define TYPE_AUB            0x7
 918
 919 /* Classic AUB opcodes */
 920 #define OPCODE_AUB          0x01
 921 #define SUBOPCODE_HEADER    0x05
 922 #define SUBOPCODE_BLOCK     0x41
 923 #define SUBOPCODE_BMP       0x1e
 924
 925 /* Newer version AUB opcode */
 926 #define OPCODE_NEW_AUB      0x2e
 927 #define SUBOPCODE_VERSION   0x00
 928 #define SUBOPCODE_REG_WRITE 0x03
 929 #define SUBOPCODE_MEM_POLL  0x05
 930 #define SUBOPCODE_MEM_WRITE 0x06
 931
 932 #define MAKE_GEN(major, minor) ( ((major) << 8) | (minor) )
 933
 934 struct {
 935    const char *name;
 936    uint32_t gen;
 937 } device_map[] = {
 938    { "bwr", MAKE_GEN(4, 0) },
 939    { "cln", MAKE_GEN(4, 0) },
 940    { "blc", MAKE_GEN(4, 0) },
 941    { "ctg", MAKE_GEN(4, 0) },
 942    { "el", MAKE_GEN(4, 0) },
 943    { "il", MAKE_GEN(4, 0) },
 944    { "sbr", MAKE_GEN(6, 0) },
 945    { "ivb", MAKE_GEN(7, 0) },
 946    { "lrb2", MAKE_GEN(0, 0) },
 947    { "hsw", MAKE_GEN(7, 5) },
 948    { "vlv", MAKE_GEN(7, 0) },
 949    { "bdw", MAKE_GEN(8, 0) },
 950    { "skl", MAKE_GEN(9, 0) },
 951    { "chv", MAKE_GEN(8, 0) },
 952    { "bxt", MAKE_GEN(9, 0) }
 953 };
 954
 955 enum {
 956    AUB_ITEM_DECODE_OK,
 957    AUB_ITEM_DECODE_FAILED,
 958    AUB_ITEM_DECODE_NEED_MORE_DATA,
 959 };
 960
 961 static int
 962 aub_file_decode_batch(struct aub_file *file)
 963 {
 964    uint32_t *p, h, device, data_type, *new_cursor;
 965    int header_length, bias;
 966
 967    if (file->end - file->cursor < 1)
 968       return AUB_ITEM_DECODE_NEED_MORE_DATA;
 969
 970    p = file->cursor;
 971    h = *p;
 972    header_length = h & 0xffff;
 973
 974    switch (OPCODE(h)) {
 975    case OPCODE_AUB:
 976       bias = 2;
 977       break;
 978    case OPCODE_NEW_AUB:
 979       bias = 1;
 980       break;
 981    default:
 982       fprintf(outfile, "unknown opcode %d at %td/%td\n",
 983               OPCODE(h), file->cursor - file->map,
 984               file->end - file->map);
 985       return AUB_ITEM_DECODE_FAILED;
 986    }
 987
 988    new_cursor = p + header_length + bias;
 989    if ((h & 0xffff0000) == MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK)) {
 990       if (file->end - file->cursor < 4)
 991          return AUB_ITEM_DECODE_NEED_MORE_DATA;
 992       new_cursor += p[4] / 4;
 993    }
 994
 995    if (new_cursor > file->end)
 996       return AUB_ITEM_DECODE_NEED_MORE_DATA;
 997
 998    switch (h & 0xffff0000) {
 999    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER):
1000       handle_trace_header(p);
1001       break;
1002    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK):
1003       handle_trace_block(p);
1004       break;
1005    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BMP):
1006       break;
1007    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_VERSION):
1008       fprintf(outfile, "version block: dw1 %08x\n", p[1]);
1009       device = (p[1] >> 8) & 0xff;
1010       fprintf(outfile, "  device %s\n", device_map[device].name);
1011       break;
1012    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_WRITE):
1013       fprintf(outfile, "register write block: (dwords %d)\n", h & 0xffff);
1014       fprintf(outfile, "  reg 0x%x, data 0x%x\n", p[1], p[5]);
1015       break;
1016    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_WRITE):
1017       fprintf(outfile, "memory write block (dwords %d):\n", h & 0xffff);
1018       fprintf(outfile, "  address 0x%"PRIx64"\n", *(uint64_t *) &p[1]);
1019       data_type = (p[3] >> 20) & 0xff;
1020       if (data_type != 0)
1021          fprintf(outfile, "  data type 0x%x\n", data_type);
1022       fprintf(outfile, "  address space 0x%x\n", (p[3] >> 28) & 0xf);
1023       break;
1024    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_POLL):
1025       fprintf(outfile, "memory poll block (dwords %d):\n", h & 0xffff);
1026       break;
1027    default:
1028       fprintf(outfile, "unknown block type=0x%x, opcode=0x%x, "
1029              "subopcode=0x%x (%08x)\n", TYPE(h), OPCODE(h), SUBOPCODE(h), h);
1030       break;
1031    }
1032    file->cursor = new_cursor;
1033
1034    return AUB_ITEM_DECODE_OK;
1035 }
1036
1037 static int
1038 aub_file_more_stuff(struct aub_file *file)
1039 {
1040    return file->cursor < file->end || (file->stream && !feof(file->stream));
1041 }
1042
1043 #define AUB_READ_BUFFER_SIZE (4096)
1044 #define MAX(a, b) ((a) < (b) ? (b) : (a))
1045
1046 static void
1047 aub_file_data_grow(struct aub_file *file)
1048 {
1049    size_t old_size = (file->mem_end - file->map) * 4;
1050    size_t new_size = MAX(old_size * 2, AUB_READ_BUFFER_SIZE);
1051    uint32_t *new_start = realloc(file->map, new_size);
1052
1053    file->cursor = new_start + (file->cursor - file->map);
1054    file->end = new_start + (file->end - file->map);
1055    file->map = new_start;
1056    file->mem_end = file->map + (new_size / 4);
1057 }
1058
1059 static bool
1060 aub_file_data_load(struct aub_file *file)
1061 {
1062    size_t r;
1063
1064    if (file->stream == NULL)
1065       return false;
1066
1067    /* First remove any consumed data */
1068    if (file->cursor > file->map) {
1069       memmove(file->map, file->cursor,
1070               (file->end - file->cursor) * 4);
1071       file->end -= file->cursor - file->map;
1072       file->cursor = file->map;
1073    }
1074
1075    /* Then load some new data in */
1076    if ((file->mem_end - file->end) < (AUB_READ_BUFFER_SIZE / 4))
1077       aub_file_data_grow(file);
1078
1079    r = fread(file->end, 1, (file->mem_end - file->end) * 4, file->stream);
1080    file->end += r / 4;
1081
1082    return r != 0;
1083 }
1084
1085 static void
1086 setup_pager(void)
1087 {
1088    int fds[2];
1089    pid_t pid;
1090
1091    if (!isatty(1))
1092       return;
1093
1094    if (pipe(fds) == -1)
1095       return;
1096
1097    pid = fork();
1098    if (pid == -1)
1099       return;
1100
1101    if (pid == 0) {
1102       close(fds[1]);
1103       dup2(fds[0], 0);
1104       execlp("less", "less", "-FRSi", NULL);
1105    }
1106
1107    close(fds[0]);
1108    dup2(fds[1], 1);
1109    close(fds[1]);
1110 }
1111
1112 static void
1113 print_help(const char *progname, FILE *file)
1114 {
1115    fprintf(file,
1116            "Usage: %s [OPTION]... [FILE]\n"
1117            "Decode aub file contents from either FILE or the standard input.\n\n"
1118            "A valid --gen option must be provided.\n\n"
1119            "      --help          display this help and exit\n"
1120            "      --gen=platform  decode for given platform (ivb, byt, hsw, bdw, chv, skl, kbl or bxt)\n"
1121            "      --headers       decode only command headers\n"
1122            "      --color[=WHEN]  colorize the output; WHEN can be 'auto' (default\n"
1123            "                        if omitted), 'always', or 'never'\n"
1124            "      --no-pager      don't launch pager\n"
1125            "      --no-offsets    don't print instruction offsets\n"
1126            "      --xml=DIR       load hardware xml description from directory DIR\n",
1127            progname);
1128 }
1129
1130 int main(int argc, char *argv[])
1131 {
1132    struct aub_file *file;
1133    int c, i;
1134    bool help = false, pager = true;
1135    const struct {
1136       const char *name;
1137       int pci_id;
1138    } gens[] = {
1139       { "ivb", 0x0166 }, /* Intel(R) Ivybridge Mobile GT2 */
1140       { "hsw", 0x0416 }, /* Intel(R) Haswell Mobile GT2 */
1141       { "byt", 0x0155 }, /* Intel(R) Bay Trail */
1142       { "bdw", 0x1616 }, /* Intel(R) HD Graphics 5500 (Broadwell GT2) */
1143       { "chv", 0x22B3 }, /* Intel(R) HD Graphics (Cherryview) */
1144       { "skl", 0x1912 }, /* Intel(R) HD Graphics 530 (Skylake GT2) */
1145       { "kbl", 0x591D }, /* Intel(R) Kabylake GT2 */
1146       { "bxt", 0x0A84 }  /* Intel(R) HD Graphics (Broxton) */
1147    };
1148    const struct option aubinator_opts[] = {
1149       { "help",       no_argument,       (int *) &help,                 true },
1150       { "no-pager",   no_argument,       (int *) &pager,                false },
1151       { "no-offsets", no_argument,       (int *) &option_print_offsets, false },
1152       { "gen",        required_argument, NULL,                          'g' },
1153       { "headers",    no_argument,       (int *) &option_full_decode,   false },
1154       { "color",      required_argument, NULL,                          'c' },
1155       { "xml",        required_argument, NULL,                          'x' },
1156       { NULL,         0,                 NULL,                          0 }
1157    };
1158
1159    outfile = stdout;
1160
1161    i = 0;
1162    while ((c = getopt_long(argc, argv, "", aubinator_opts, &i)) != -1) {
1163       switch (c) {
1164       case 'g':
1165          for (i = 0; i < ARRAY_SIZE(gens); i++) {
1166             if (!strcmp(optarg, gens[i].name)) {
1167                pci_id = gens[i].pci_id;
1168                break;
1169             }
1170          }
1171          if (i == ARRAY_SIZE(gens)) {
1172             fprintf(stderr, "can't parse gen: '%s', expected ivb, byt, hsw, "
1173                                    "bdw, chv, skl, kbl or bxt\n", optarg);
1174             exit(EXIT_FAILURE);
1175          }
1176          break;
1177       case 'c':
1178          if (optarg == NULL || strcmp(optarg, "always") == 0)
1179             option_color = COLOR_ALWAYS;
1180          else if (strcmp(optarg, "never") == 0)
1181             option_color = COLOR_NEVER;
1182          else if (strcmp(optarg, "auto") == 0)
1183             option_color = COLOR_AUTO;
1184          else {
1185             fprintf(stderr, "invalid value for --color: %s", optarg);
1186             exit(EXIT_FAILURE);
1187          }
1188          break;
1189       case 'x':
1190          xml_path = strdup(optarg);
1191          break;
1192       default:
1193          break;
1194       }
1195    }
1196
1197    if (help || argc == 1) {
1198       print_help(argv[0], stderr);
1199       exit(0);
1200    }
1201
1202    if (optind < argc)
1203       input_file = argv[optind];
1204
1205    /* Do this before we redirect stdout to pager. */
1206    if (option_color == COLOR_AUTO)
1207       option_color = isatty(1) ? COLOR_ALWAYS : COLOR_NEVER;
1208
1209    if (isatty(1) && pager)
1210       setup_pager();
1211
1212    if (input_file == NULL)
1213       file = aub_file_stdin();
1214    else
1215       file = aub_file_open(input_file);
1216
1217    /* mmap a terabyte for our gtt space. */
1218    gtt_size = 1ull << 40;
1219    gtt = mmap(NULL, gtt_size, PROT_READ | PROT_WRITE,
1220               MAP_PRIVATE | MAP_ANONYMOUS |  MAP_NORESERVE, -1, 0);
1221    if (gtt == MAP_FAILED) {
1222       fprintf(stderr, "failed to alloc gtt space: %s\n", strerror(errno));
1223       exit(EXIT_FAILURE);
1224    }
1225
1226    while (aub_file_more_stuff(file)) {
1227       switch (aub_file_decode_batch(file)) {
1228       case AUB_ITEM_DECODE_OK:
1229          break;
1230       case AUB_ITEM_DECODE_NEED_MORE_DATA:
1231          if (!file->stream) {
1232             file->cursor = file->end;
1233             break;
1234          }
1235          if (aub_file_more_stuff(file) && !aub_file_data_load(file)) {
1236             fprintf(stderr, "failed to load data from stdin\n");
1237             exit(EXIT_FAILURE);
1238          }
1239          break;
1240       default:
1241          fprintf(stderr, "failed to parse aubdump data\n");
1242          exit(EXIT_FAILURE);
1243       }
1244    }
1245
1246
1247    fflush(stdout);
1248    /* close the stdout which is opened to write the output */
1249    close(1);
1250    free(xml_path);
1251
1252    wait(NULL);
1253
1254    return EXIT_SUCCESS;
1255 }