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 "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 struct gen_disasm *disasm;
  66
  67 uint64_t gtt_size, gtt_end;
  68 void *gtt;
  69 uint64_t general_state_base;
  70 uint64_t surface_state_base;
  71 uint64_t dynamic_state_base;
  72 uint64_t instruction_base;
  73 uint64_t instruction_bound;
  74
  75 static inline uint32_t
  76 field(uint32_t value, int start, int end)
  77 {
  78    uint32_t mask;
  79
  80    mask = ~0U >> (31 - end + start);
  81
  82    return (value >> start) & mask;
  83 }
  84
  85 struct brw_instruction;
  86
  87 static inline int
  88 valid_offset(uint32_t offset)
  89 {
  90    return offset < gtt_end;
  91 }
  92
  93 static void
  94 print_dword_val(struct gen_field_iterator *iter, uint64_t offset,
  95                 int *dword_num)
  96 {
  97    struct gen_field *f;
  98
  99    f = iter->group->fields[iter->i - 1];
 100    const int dword = f->start / 32;
 101
 102    if (*dword_num != dword) {
 103       printf("0x%08"PRIx64":  0x%08x : Dword %d\n",
 104              offset + 4 * dword,  iter->p[dword], dword);
 105       *dword_num = dword;
 106    }
 107 }
 108
 109 static char *
 110 print_iterator_values(struct gen_field_iterator *iter, int *idx)
 111 {
 112     char *token = NULL;
 113     if (strstr(iter->value, "struct") == NULL) {
 114        if (strlen(iter->description) > 0) {
 115           printf("    %s: %s (%s)\n",
 116                  iter->name, iter->value, iter->description);
 117        } else {
 118           printf("    %s: %s\n", iter->name, iter->value);
 119        }
 120     } else {
 121         token = strtok(iter->value, " ");
 122         if (token != NULL) {
 123             token = strtok(NULL, " ");
 124             *idx = atoi(strtok(NULL, ">"));
 125         } else {
 126             token = NULL;
 127         }
 128         printf("    %s:<struct %s>\n", iter->name, token);
 129     }
 130     return token;
 131 }
 132
 133 static void
 134 decode_structure(struct gen_spec *spec, struct gen_group *strct,
 135                  const uint32_t *p)
 136 {
 137    struct gen_field_iterator iter;
 138    char *token = NULL;
 139    int idx = 0, dword_num = 0;
 140    uint64_t offset = 0;
 141
 142    if (option_print_offsets)
 143       offset = (void *) p - gtt;
 144    else
 145       offset = 0;
 146
 147    gen_field_iterator_init(&iter, strct, p,
 148                            option_color == COLOR_ALWAYS);
 149    while (gen_field_iterator_next(&iter)) {
 150       idx = 0;
 151       print_dword_val(&iter, offset, &dword_num);
 152       token = print_iterator_values(&iter, &idx);
 153       if (token != NULL) {
 154          struct gen_group *struct_val = gen_spec_find_struct(spec, token);
 155          decode_structure(spec, struct_val, &p[idx]);
 156          token = NULL;
 157       }
 158    }
 159 }
 160
 161 static void
 162 handle_struct_decode(struct gen_spec *spec, char *struct_name, uint32_t *p)
 163 {
 164    if (struct_name == NULL)
 165       return;
 166    struct gen_group *struct_val = gen_spec_find_struct(spec, struct_name);
 167    decode_structure(spec, struct_val, p);
 168 }
 169
 170 static void
 171 dump_binding_table(struct gen_spec *spec, uint32_t offset)
 172 {
 173    uint32_t *pointers, i;
 174    uint64_t start;
 175    struct gen_group *surface_state;
 176
 177    surface_state = gen_spec_find_struct(spec, "RENDER_SURFACE_STATE");
 178    if (surface_state == NULL) {
 179       printf("did not find RENDER_SURFACE_STATE info\n");
 180       return;
 181    }
 182
 183    start = surface_state_base + offset;
 184    pointers = gtt + start;
 185    for (i = 0; i < 16; i++) {
 186       if (pointers[i] == 0)
 187          continue;
 188       start = pointers[i] + surface_state_base;
 189       if (!valid_offset(start)) {
 190          printf("pointer %u: %08x <not valid>\n",
 191                 i, pointers[i]);
 192          continue;
 193       } else {
 194          printf("pointer %u: %08x\n", i, pointers[i]);
 195       }
 196
 197       decode_structure(spec, surface_state, gtt + start);
 198    }
 199 }
 200
 201 static void
 202 handle_3dstate_index_buffer(struct gen_spec *spec, uint32_t *p)
 203 {
 204    void *start;
 205    uint32_t length, i, type, size;
 206
 207    start = gtt + p[2];
 208    type = (p[1] >> 8) & 3;
 209    size = 1 << type;
 210    length = p[4] / size;
 211    if (length > 10)
 212       length = 10;
 213
 214    printf("\t");
 215
 216    for (i = 0; i < length; i++) {
 217       switch (type) {
 218       case 0:
 219          printf("%3d ", ((uint8_t *)start)[i]);
 220          break;
 221       case 1:
 222          printf("%3d ", ((uint16_t *)start)[i]);
 223          break;
 224       case 2:
 225          printf("%3d ", ((uint32_t *)start)[i]);
 226          break;
 227       }
 228    }
 229    if (length < p[4] / size)
 230       printf("...\n");
 231    else
 232       printf("\n");
 233 }
 234
 235 static inline uint64_t
 236 get_qword(uint32_t *p)
 237 {
 238    return ((uint64_t) p[1] << 32) | p[0];
 239 }
 240
 241 static void
 242 handle_state_base_address(struct gen_spec *spec, uint32_t *p)
 243 {
 244    uint64_t mask = ~((1 << 12) - 1);
 245
 246    if (gen_spec_get_gen(spec) >= gen_make_gen(8,0)) {
 247       if (p[1] & 1)
 248          general_state_base = get_qword(&p[1]) & mask;
 249       if (p[4] & 1)
 250          surface_state_base = get_qword(&p[4]) & mask;
 251       if (p[6] & 1)
 252          dynamic_state_base = get_qword(&p[6]) & mask;
 253       if (p[10] & 1)
 254          instruction_base = get_qword(&p[10]) & mask;
 255       if (p[15] & 1)
 256          instruction_bound = p[15] & mask;
 257    } else {
 258       if (p[2] & 1)
 259          surface_state_base = p[2] & mask;
 260       if (p[3] & 1)
 261          dynamic_state_base = p[3] & mask;
 262       if (p[5] & 1)
 263          instruction_base = p[5] & mask;
 264       if (p[9] & 1)
 265          instruction_bound = p[9] & mask;
 266    }
 267 }
 268
 269 static void
 270 dump_samplers(struct gen_spec *spec, uint32_t offset)
 271 {
 272    uint32_t i;
 273    uint64_t start;
 274    struct gen_group *sampler_state;
 275
 276    sampler_state = gen_spec_find_struct(spec, "SAMPLER_STATE");
 277
 278    start = dynamic_state_base + offset;
 279    for (i = 0; i < 4; i++) {
 280       printf("sampler state %d\n", i);
 281       decode_structure(spec, sampler_state, gtt + start + i * 16);
 282    }
 283 }
 284
 285 static void
 286 handle_media_interface_descriptor_load(struct gen_spec *spec, uint32_t *p)
 287 {
 288    int i, length = p[2] / 32;
 289    struct gen_group *descriptor_structure;
 290    uint32_t *descriptors;
 291    uint64_t start;
 292    struct brw_instruction *insns;
 293
 294    descriptor_structure =
 295       gen_spec_find_struct(spec, "INTERFACE_DESCRIPTOR_DATA");
 296    if (descriptor_structure == NULL) {
 297       printf("did not find INTERFACE_DESCRIPTOR_DATA info\n");
 298       return;
 299    }
 300
 301    start = dynamic_state_base + p[3];
 302    descriptors = gtt + start;
 303    for (i = 0; i < length; i++, descriptors += 8) {
 304       printf("descriptor %u: %08x\n", i, *descriptors);
 305       decode_structure(spec, descriptor_structure, descriptors);
 306
 307       start = instruction_base + descriptors[0];
 308       if (!valid_offset(start)) {
 309          printf("kernel: %08"PRIx64" <not valid>\n", start);
 310          continue;
 311       } else {
 312          printf("kernel: %08"PRIx64"\n", start);
 313       }
 314
 315       insns = (struct brw_instruction *) (gtt + start);
 316       gen_disasm_disassemble(disasm, insns, 0, stdout);
 317
 318       dump_samplers(spec, descriptors[3] & ~0x1f);
 319       dump_binding_table(spec, descriptors[4] & ~0x1f);
 320    }
 321 }
 322
 323 /* Heuristic to determine whether a uint32_t is probably actually a float
 324  * (http://stackoverflow.com/a/2953466)
 325  */
 326
 327 static bool
 328 probably_float(uint32_t bits)
 329 {
 330    int exp = ((bits & 0x7f800000U) >> 23) - 127;
 331    uint32_t mant = bits & 0x007fffff;
 332
 333    /* +- 0.0 */
 334    if (exp == -127 && mant == 0)
 335       return true;
 336
 337    /* +- 1 billionth to 1 billion */
 338    if (-30 <= exp && exp <= 30)
 339       return true;
 340
 341    /* some value with only a few binary digits */
 342    if ((mant & 0x0000ffff) == 0)
 343       return true;
 344
 345    return false;
 346 }
 347
 348 static void
 349 handle_3dstate_vertex_buffers(struct gen_spec *spec, uint32_t *p)
 350 {
 351    uint32_t *end, *s, *dw, *dwend;
 352    uint64_t offset;
 353    int n, i, count, stride;
 354
 355    end = (p[0] & 0xff) + p + 2;
 356    for (s = &p[1], n = 0; s < end; s += 4, n++) {
 357       if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 358          offset = *(uint64_t *) &s[1];
 359          dwend = gtt + offset + s[3];
 360       } else {
 361          offset = s[1];
 362          dwend = gtt + s[2] + 1;
 363       }
 364
 365       stride = field(s[0], 0, 11);
 366       count = 0;
 367       printf("vertex buffer %d, size %d\n", n, s[3]);
 368       for (dw = gtt + offset, i = 0; dw < dwend && i < 256; dw++) {
 369          if (count == 0 && count % (8 * 4) == 0)
 370             printf("  ");
 371
 372          if (probably_float(*dw))
 373             printf("  %8.2f", *(float *) dw);
 374          else
 375             printf("  0x%08x", *dw);
 376
 377          i++;
 378          count += 4;
 379
 380          if (count == stride) {
 381             printf("\n");
 382             count = 0;
 383          } else if (count % (8 * 4) == 0) {
 384             printf("\n");
 385          } else {
 386             printf(" ");
 387          }
 388       }
 389       if (count > 0 && count % (8 * 4) != 0)
 390          printf("\n");
 391    }
 392 }
 393
 394 static void
 395 handle_3dstate_vs(struct gen_spec *spec, uint32_t *p)
 396 {
 397    uint64_t start;
 398    struct brw_instruction *insns;
 399    int vs_enable;
 400
 401    if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 402       start = get_qword(&p[1]);
 403       vs_enable = p[7] & 1;
 404    } else {
 405       start = p[1];
 406       vs_enable = p[5] & 1;
 407    }
 408
 409    if (vs_enable) {
 410       printf("instruction_base %08"PRIx64", start %08"PRIx64"\n",
 411              instruction_base, start);
 412
 413       insns = (struct brw_instruction *) (gtt + instruction_base + start);
 414       gen_disasm_disassemble(disasm, insns, 0, stdout);
 415    }
 416 }
 417
 418 static void
 419 handle_3dstate_hs(struct gen_spec *spec, uint32_t *p)
 420 {
 421    uint64_t start;
 422    struct brw_instruction *insns;
 423    int hs_enable;
 424
 425    if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 426       start = get_qword(&p[4]);
 427    } else {
 428       start = p[4];
 429    }
 430
 431    hs_enable = p[2] & 0x80000000;
 432
 433    if (hs_enable) {
 434       printf("instruction_base %08"PRIx64", start %08"PRIx64"\n",
 435              instruction_base, start);
 436
 437       insns = (struct brw_instruction *) (gtt + instruction_base + start);
 438       gen_disasm_disassemble(disasm, insns, 0, stdout);
 439    }
 440 }
 441
 442 static void
 443 handle_3dstate_constant(struct gen_spec *spec, uint32_t *p)
 444 {
 445    int i, j, length;
 446    uint32_t *dw;
 447    float *f;
 448
 449    for (i = 0; i < 4; i++) {
 450       length = (p[1 + i / 2] >> (i & 1) * 16) & 0xffff;
 451       f = (float *) (gtt + p[3 + i * 2] + dynamic_state_base);
 452       dw = (uint32_t *) f;
 453       for (j = 0; j < length * 8; j++) {
 454          if (probably_float(dw[j]))
 455             printf("  %04.3f", f[j]);
 456          else
 457             printf("  0x%08x", dw[j]);
 458
 459          if ((j & 7) == 7)
 460             printf("\n");
 461       }
 462    }
 463 }
 464
 465 static void
 466 handle_3dstate_ps(struct gen_spec *spec, uint32_t *p)
 467 {
 468    uint32_t mask = ~((1 << 6) - 1);
 469    uint64_t start;
 470    struct brw_instruction *insns;
 471    static const char unused[] = "unused";
 472    static const char *pixel_type[3] = {"8 pixel", "16 pixel", "32 pixel"};
 473    const char *k0, *k1, *k2;
 474    uint32_t k_mask, k1_offset, k2_offset;
 475
 476    if (gen_spec_get_gen(spec) >= gen_make_gen(8, 0)) {
 477       k_mask = p[6] & 7;
 478       k1_offset = 8;
 479       k2_offset = 10;
 480    } else {
 481       k_mask = p[4] & 7;
 482       k1_offset = 6;
 483       k2_offset = 7;
 484    }
 485
 486 #define DISPATCH_8 1
 487 #define DISPATCH_16 2
 488 #define DISPATCH_32 4
 489
 490    switch (k_mask) {
 491    case DISPATCH_8:
 492       k0 = pixel_type[0];
 493       k1 = unused;
 494       k2 = unused;
 495       break;
 496    case DISPATCH_16:
 497       k0 = pixel_type[1];
 498       k1 = unused;
 499       k2 = unused;
 500       break;
 501    case DISPATCH_8 | DISPATCH_16:
 502       k0 = pixel_type[0];
 503       k1 = unused;
 504       k2 = pixel_type[1];
 505       break;
 506    case DISPATCH_32:
 507       k0 = pixel_type[2];
 508       k1 = unused;
 509       k2 = unused;
 510       break;
 511    case DISPATCH_16 | DISPATCH_32:
 512       k0 = unused;
 513       k1 = pixel_type[2];
 514       k2 = pixel_type[1];
 515       break;
 516    case DISPATCH_8 | DISPATCH_16 | DISPATCH_32:
 517       k0 = pixel_type[0];
 518       k1 = pixel_type[2];
 519       k2 = pixel_type[1];
 520       break;
 521    default:
 522       k0 = unused;
 523       k1 = unused;
 524       k2 = unused;
 525       break;
 526    }
 527
 528    start = instruction_base + (p[1] & mask);
 529    printf("  Kernel[0] %s\n", k0);
 530    if (k0 != unused) {
 531       insns = (struct brw_instruction *) (gtt + start);
 532       gen_disasm_disassemble(disasm, insns, 0, stdout);
 533    }
 534
 535    start = instruction_base + (p[k1_offset] & mask);
 536    printf("  Kernel[1] %s\n", k1);
 537    if (k1 != unused) {
 538       insns = (struct brw_instruction *) (gtt + start);
 539       gen_disasm_disassemble(disasm, insns, 0, stdout);
 540    }
 541
 542    start = instruction_base + (p[k2_offset] & mask);
 543    printf("  Kernel[2] %s\n", k2);
 544    if (k2 != unused) {
 545       insns = (struct brw_instruction *) (gtt + start);
 546       gen_disasm_disassemble(disasm, insns, 0, stdout);
 547    }
 548 }
 549
 550 static void
 551 handle_3dstate_binding_table_pointers(struct gen_spec *spec, uint32_t *p)
 552 {
 553    dump_binding_table(spec, p[1]);
 554 }
 555
 556 static void
 557 handle_3dstate_sampler_state_pointers(struct gen_spec *spec, uint32_t *p)
 558 {
 559    dump_samplers(spec, p[1]);
 560 }
 561
 562 static void
 563 handle_3dstate_viewport_state_pointers_cc(struct gen_spec *spec, uint32_t *p)
 564 {
 565    uint64_t start;
 566    struct gen_group *cc_viewport;
 567
 568    cc_viewport = gen_spec_find_struct(spec, "CC_VIEWPORT");
 569
 570    start = dynamic_state_base + (p[1] & ~0x1fu);
 571    for (uint32_t i = 0; i < 4; i++) {
 572       printf("viewport %d\n", i);
 573       decode_structure(spec, cc_viewport, gtt + start + i * 8);
 574    }
 575 }
 576
 577 static void
 578 handle_3dstate_viewport_state_pointers_sf_clip(struct gen_spec *spec,
 579                                                uint32_t *p)
 580 {
 581    uint64_t start;
 582    struct gen_group *sf_clip_viewport;
 583
 584    sf_clip_viewport = gen_spec_find_struct(spec, "SF_CLIP_VIEWPORT");
 585
 586    start = dynamic_state_base + (p[1] & ~0x3fu);
 587    for (uint32_t i = 0; i < 4; i++) {
 588       printf("viewport %d\n", i);
 589       decode_structure(spec, sf_clip_viewport, gtt + start + i * 64);
 590    }
 591 }
 592
 593 static void
 594 handle_3dstate_blend_state_pointers(struct gen_spec *spec, uint32_t *p)
 595 {
 596    uint64_t start;
 597    struct gen_group *blend_state;
 598
 599    blend_state = gen_spec_find_struct(spec, "BLEND_STATE");
 600
 601    start = dynamic_state_base + (p[1] & ~0x3fu);
 602    decode_structure(spec, blend_state, gtt + start);
 603 }
 604
 605 static void
 606 handle_3dstate_cc_state_pointers(struct gen_spec *spec, uint32_t *p)
 607 {
 608    uint64_t start;
 609    struct gen_group *cc_state;
 610
 611    cc_state = gen_spec_find_struct(spec, "COLOR_CALC_STATE");
 612
 613    start = dynamic_state_base + (p[1] & ~0x3fu);
 614    decode_structure(spec, cc_state, gtt + start);
 615 }
 616
 617 static void
 618 handle_3dstate_scissor_state_pointers(struct gen_spec *spec, uint32_t *p)
 619 {
 620    uint64_t start;
 621    struct gen_group *scissor_rect;
 622
 623    scissor_rect = gen_spec_find_struct(spec, "SCISSOR_RECT");
 624
 625    start = dynamic_state_base + (p[1] & ~0x1fu);
 626    decode_structure(spec, scissor_rect, gtt + start);
 627 }
 628
 629 static void
 630 handle_load_register_imm(struct gen_spec *spec, uint32_t *p)
 631 {
 632    struct gen_group *reg = gen_spec_find_register(spec, p[1]);
 633
 634    if (reg != NULL) {
 635       printf("register %s (0x%x): 0x%x\n",
 636              reg->name, reg->register_offset, p[2]);
 637       decode_structure(spec, reg, &p[2]);
 638    }
 639 }
 640
 641 #define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
 642
 643 #define STATE_BASE_ADDRESS                  0x61010000
 644
 645 #define MEDIA_INTERFACE_DESCRIPTOR_LOAD     0x70020000
 646
 647 #define _3DSTATE_INDEX_BUFFER               0x780a0000
 648 #define _3DSTATE_VERTEX_BUFFERS             0x78080000
 649
 650 #define _3DSTATE_VS                         0x78100000
 651 #define _3DSTATE_GS                         0x78110000
 652 #define _3DSTATE_HS                         0x781b0000
 653 #define _3DSTATE_DS                         0x781d0000
 654
 655 #define _3DSTATE_CONSTANT_VS                0x78150000
 656 #define _3DSTATE_CONSTANT_GS                0x78160000
 657 #define _3DSTATE_CONSTANT_PS                0x78170000
 658 #define _3DSTATE_CONSTANT_HS                0x78190000
 659 #define _3DSTATE_CONSTANT_DS                0x781A0000
 660
 661 #define _3DSTATE_PS                         0x78200000
 662
 663 #define _3DSTATE_BINDING_TABLE_POINTERS_VS  0x78260000
 664 #define _3DSTATE_BINDING_TABLE_POINTERS_HS  0x78270000
 665 #define _3DSTATE_BINDING_TABLE_POINTERS_DS  0x78280000
 666 #define _3DSTATE_BINDING_TABLE_POINTERS_GS  0x78290000
 667 #define _3DSTATE_BINDING_TABLE_POINTERS_PS  0x782a0000
 668
 669 #define _3DSTATE_SAMPLER_STATE_POINTERS_VS  0x782b0000
 670 #define _3DSTATE_SAMPLER_STATE_POINTERS_GS  0x782e0000
 671 #define _3DSTATE_SAMPLER_STATE_POINTERS_PS  0x782f0000
 672
 673 #define _3DSTATE_VIEWPORT_STATE_POINTERS_CC 0x78230000
 674 #define _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP 0x78210000
 675 #define _3DSTATE_BLEND_STATE_POINTERS       0x78240000
 676 #define _3DSTATE_CC_STATE_POINTERS          0x780e0000
 677 #define _3DSTATE_SCISSOR_STATE_POINTERS     0x780f0000
 678
 679 #define _MI_LOAD_REGISTER_IMM               0x11000000
 680
 681 struct custom_handler {
 682    uint32_t opcode;
 683    void (*handle)(struct gen_spec *spec, uint32_t *p);
 684 } custom_handlers[] = {
 685    { STATE_BASE_ADDRESS, handle_state_base_address },
 686    { MEDIA_INTERFACE_DESCRIPTOR_LOAD, handle_media_interface_descriptor_load },
 687    { _3DSTATE_VERTEX_BUFFERS, handle_3dstate_vertex_buffers },
 688    { _3DSTATE_INDEX_BUFFER, handle_3dstate_index_buffer },
 689    { _3DSTATE_VS, handle_3dstate_vs },
 690    { _3DSTATE_GS, handle_3dstate_vs },
 691    { _3DSTATE_DS, handle_3dstate_vs },
 692    { _3DSTATE_HS, handle_3dstate_hs },
 693    { _3DSTATE_CONSTANT_VS, handle_3dstate_constant },
 694    { _3DSTATE_CONSTANT_GS, handle_3dstate_constant },
 695    { _3DSTATE_CONSTANT_PS, handle_3dstate_constant },
 696    { _3DSTATE_CONSTANT_HS, handle_3dstate_constant },
 697    { _3DSTATE_CONSTANT_DS, handle_3dstate_constant },
 698    { _3DSTATE_PS, handle_3dstate_ps },
 699
 700    { _3DSTATE_BINDING_TABLE_POINTERS_VS, handle_3dstate_binding_table_pointers },
 701    { _3DSTATE_BINDING_TABLE_POINTERS_HS, handle_3dstate_binding_table_pointers },
 702    { _3DSTATE_BINDING_TABLE_POINTERS_DS, handle_3dstate_binding_table_pointers },
 703    { _3DSTATE_BINDING_TABLE_POINTERS_GS, handle_3dstate_binding_table_pointers },
 704    { _3DSTATE_BINDING_TABLE_POINTERS_PS, handle_3dstate_binding_table_pointers },
 705
 706    { _3DSTATE_SAMPLER_STATE_POINTERS_VS, handle_3dstate_sampler_state_pointers },
 707    { _3DSTATE_SAMPLER_STATE_POINTERS_GS, handle_3dstate_sampler_state_pointers },
 708    { _3DSTATE_SAMPLER_STATE_POINTERS_PS, handle_3dstate_sampler_state_pointers },
 709
 710    { _3DSTATE_VIEWPORT_STATE_POINTERS_CC, handle_3dstate_viewport_state_pointers_cc },
 711    { _3DSTATE_VIEWPORT_STATE_POINTERS_SF_CLIP, handle_3dstate_viewport_state_pointers_sf_clip },
 712    { _3DSTATE_BLEND_STATE_POINTERS, handle_3dstate_blend_state_pointers },
 713    { _3DSTATE_CC_STATE_POINTERS, handle_3dstate_cc_state_pointers },
 714    { _3DSTATE_SCISSOR_STATE_POINTERS, handle_3dstate_scissor_state_pointers },
 715    { _MI_LOAD_REGISTER_IMM, handle_load_register_imm }
 716 };
 717
 718 static void
 719 parse_commands(struct gen_spec *spec, uint32_t *cmds, int size, int engine)
 720 {
 721    uint32_t *p, *end = cmds + size / 4;
 722    unsigned int length, i;
 723    struct gen_group *inst;
 724
 725    for (p = cmds; p < end; p += length) {
 726       inst = gen_spec_find_instruction(spec, p);
 727       if (inst == NULL) {
 728          printf("unknown instruction %08x\n", p[0]);
 729          length = (p[0] & 0xff) + 2;
 730          continue;
 731       }
 732       length = gen_group_get_length(inst, p);
 733
 734       const char *color, *reset_color = NORMAL;
 735       uint64_t offset;
 736
 737       if (option_full_decode) {
 738          if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_START ||
 739              (p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_END)
 740             color = GREEN_HEADER;
 741          else
 742             color = BLUE_HEADER;
 743       } else
 744          color = NORMAL;
 745
 746       if (option_color == COLOR_NEVER) {
 747          color = "";
 748          reset_color = "";
 749       }
 750
 751       if (option_print_offsets)
 752          offset = (void *) p - gtt;
 753       else
 754          offset = 0;
 755
 756       printf("%s0x%08"PRIx64":  0x%08x:  %-80s%s\n",
 757              color, offset, p[0],
 758              gen_group_get_name(inst), reset_color);
 759
 760       if (option_full_decode) {
 761          struct gen_field_iterator iter;
 762          char *token = NULL;
 763          int idx = 0, dword_num = 0;
 764          gen_field_iterator_init(&iter, inst, p,
 765                                  option_color == COLOR_ALWAYS);
 766          while (gen_field_iterator_next(&iter)) {
 767             idx = 0;
 768             print_dword_val(&iter, offset, &dword_num);
 769             if (dword_num > 0)
 770                 token = print_iterator_values(&iter, &idx);
 771             if (token != NULL) {
 772                 printf("0x%08"PRIx64":  0x%08x : Dword %d\n",
 773                        offset + 4 * idx, p[idx], idx);
 774                 handle_struct_decode(spec,token, &p[idx]);
 775                 token = NULL;
 776             }
 777          }
 778
 779          for (i = 0; i < ARRAY_LENGTH(custom_handlers); i++) {
 780             if (gen_group_get_opcode(inst) ==
 781                 custom_handlers[i].opcode)
 782                custom_handlers[i].handle(spec, p);
 783          }
 784       }
 785
 786       if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_START) {
 787          uint64_t start;
 788          if (gen_spec_get_gen(spec) >= gen_make_gen(8,0))
 789             start = get_qword(&p[1]);
 790          else
 791             start = p[1];
 792
 793          if (p[0] & (1 << 22)) {
 794             /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" set acts
 795              * like a subroutine call.  Commands that come afterwards get
 796              * processed once the 2nd level batch buffer returns with
 797              * MI_BATCH_BUFFER_END.
 798              */
 799             parse_commands(spec, gtt + start, gtt_end - start, engine);
 800          } else {
 801             /* MI_BATCH_BUFFER_START with "2nd Level Batch Buffer" unset acts
 802              * like a goto.  Nothing after it will ever get processed.  In
 803              * order to prevent the recursion from growing, we just reset the
 804              * loop and continue;
 805              */
 806             p = gtt + start;
 807             /* We don't know where secondaries end so use the GTT end */
 808             end = gtt + gtt_end;
 809             length = 0;
 810             continue;
 811          }
 812       } else if ((p[0] & 0xffff0000) == AUB_MI_BATCH_BUFFER_END) {
 813          break;
 814       }
 815    }
 816 }
 817
 818 #define GEN_ENGINE_RENDER 1
 819 #define GEN_ENGINE_BLITTER 2
 820
 821 static void
 822 handle_trace_block(struct gen_spec *spec, uint32_t *p)
 823 {
 824    int operation = p[1] & AUB_TRACE_OPERATION_MASK;
 825    int type = p[1] & AUB_TRACE_TYPE_MASK;
 826    int address_space = p[1] & AUB_TRACE_ADDRESS_SPACE_MASK;
 827    uint64_t offset = p[3];
 828    uint32_t size = p[4];
 829    int header_length = p[0] & 0xffff;
 830    uint32_t *data = p + header_length + 2;
 831    int engine = GEN_ENGINE_RENDER;
 832
 833    if (gen_spec_get_gen(spec) >= gen_make_gen(8,0))
 834       offset += (uint64_t) p[5] << 32;
 835
 836    switch (operation) {
 837    case AUB_TRACE_OP_DATA_WRITE:
 838       if (address_space != AUB_TRACE_MEMTYPE_GTT)
 839          break;
 840       if (gtt_size < offset + size) {
 841          fprintf(stderr, "overflow gtt space: %s\n", strerror(errno));
 842          exit(EXIT_FAILURE);
 843       }
 844       memcpy((char *) gtt + offset, data, size);
 845       if (gtt_end < offset + size)
 846          gtt_end = offset + size;
 847       break;
 848    case AUB_TRACE_OP_COMMAND_WRITE:
 849       switch (type) {
 850       case AUB_TRACE_TYPE_RING_PRB0:
 851          engine = GEN_ENGINE_RENDER;
 852          break;
 853       case AUB_TRACE_TYPE_RING_PRB2:
 854          engine = GEN_ENGINE_BLITTER;
 855          break;
 856       default:
 857          printf("command write to unknown ring %d\n", type);
 858          break;
 859       }
 860
 861       parse_commands(spec, data, size, engine);
 862       gtt_end = 0;
 863       break;
 864    }
 865 }
 866
 867 struct aub_file {
 868    FILE *stream;
 869
 870    uint32_t *map, *end, *cursor;
 871    uint32_t *mem_end;
 872 };
 873
 874 static struct aub_file *
 875 aub_file_open(const char *filename)
 876 {
 877    struct aub_file *file;
 878    struct stat sb;
 879    int fd;
 880
 881    file = calloc(1, sizeof *file);
 882    fd = open(filename, O_RDONLY);
 883    if (fd == -1) {
 884       fprintf(stderr, "open %s failed: %s\n", filename, strerror(errno));
 885       exit(EXIT_FAILURE);
 886    }
 887
 888    if (fstat(fd, &sb) == -1) {
 889       fprintf(stderr, "stat failed: %s\n", strerror(errno));
 890       exit(EXIT_FAILURE);
 891    }
 892
 893    file->map = mmap(NULL, sb.st_size,
 894                     PROT_READ, MAP_SHARED, fd, 0);
 895    if (file->map == MAP_FAILED) {
 896       fprintf(stderr, "mmap failed: %s\n", strerror(errno));
 897       exit(EXIT_FAILURE);
 898    }
 899
 900    file->cursor = file->map;
 901    file->end = file->map + sb.st_size / 4;
 902
 903    return file;
 904 }
 905
 906 static struct aub_file *
 907 aub_file_stdin(void)
 908 {
 909    struct aub_file *file;
 910
 911    file = calloc(1, sizeof *file);
 912    file->stream = stdin;
 913
 914    return file;
 915 }
 916
 917 #define TYPE(dw)       (((dw) >> 29) & 7)
 918 #define OPCODE(dw)     (((dw) >> 23) & 0x3f)
 919 #define SUBOPCODE(dw)  (((dw) >> 16) & 0x7f)
 920
 921 #define MAKE_HEADER(type, opcode, subopcode) \
 922                    (((type) << 29) | ((opcode) << 23) | ((subopcode) << 16))
 923
 924 #define TYPE_AUB            0x7
 925
 926 /* Classic AUB opcodes */
 927 #define OPCODE_AUB          0x01
 928 #define SUBOPCODE_HEADER    0x05
 929 #define SUBOPCODE_BLOCK     0x41
 930 #define SUBOPCODE_BMP       0x1e
 931
 932 /* Newer version AUB opcode */
 933 #define OPCODE_NEW_AUB      0x2e
 934 #define SUBOPCODE_VERSION   0x00
 935 #define SUBOPCODE_REG_WRITE 0x03
 936 #define SUBOPCODE_MEM_POLL  0x05
 937 #define SUBOPCODE_MEM_WRITE 0x06
 938
 939 #define MAKE_GEN(major, minor) ( ((major) << 8) | (minor) )
 940
 941 struct {
 942    const char *name;
 943    uint32_t gen;
 944 } device_map[] = {
 945    { "bwr", MAKE_GEN(4, 0) },
 946    { "cln", MAKE_GEN(4, 0) },
 947    { "blc", MAKE_GEN(4, 0) },
 948    { "ctg", MAKE_GEN(4, 0) },
 949    { "el", MAKE_GEN(4, 0) },
 950    { "il", MAKE_GEN(4, 0) },
 951    { "sbr", MAKE_GEN(6, 0) },
 952    { "ivb", MAKE_GEN(7, 0) },
 953    { "lrb2", MAKE_GEN(0, 0) },
 954    { "hsw", MAKE_GEN(7, 5) },
 955    { "vlv", MAKE_GEN(7, 0) },
 956    { "bdw", MAKE_GEN(8, 0) },
 957    { "skl", MAKE_GEN(9, 0) },
 958    { "chv", MAKE_GEN(8, 0) },
 959    { "bxt", MAKE_GEN(9, 0) }
 960 };
 961
 962 enum {
 963    AUB_ITEM_DECODE_OK,
 964    AUB_ITEM_DECODE_FAILED,
 965    AUB_ITEM_DECODE_NEED_MORE_DATA,
 966 };
 967
 968 static int
 969 aub_file_decode_batch(struct aub_file *file, struct gen_spec *spec)
 970 {
 971    uint32_t *p, h, device, data_type, *new_cursor;
 972    int header_length, payload_size, bias;
 973
 974    if (file->end - file->cursor < 1)
 975       return AUB_ITEM_DECODE_NEED_MORE_DATA;
 976
 977    p = file->cursor;
 978    h = *p;
 979    header_length = h & 0xffff;
 980
 981    switch (OPCODE(h)) {
 982    case OPCODE_AUB:
 983       bias = 2;
 984       break;
 985    case OPCODE_NEW_AUB:
 986       bias = 1;
 987       break;
 988    default:
 989       printf("unknown opcode %d at %td/%td\n",
 990              OPCODE(h), file->cursor - file->map,
 991              file->end - file->map);
 992       return AUB_ITEM_DECODE_FAILED;
 993    }
 994
 995    payload_size = 0;
 996    switch (h & 0xffff0000) {
 997    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER):
 998       if (file->end - file->cursor < 12)
 999          return AUB_ITEM_DECODE_NEED_MORE_DATA;
1000       payload_size = p[12];
1001       break;
1002    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK):
1003       if (file->end - file->cursor < 4)
1004          return AUB_ITEM_DECODE_NEED_MORE_DATA;
1005       payload_size = p[4];
1006       break;
1007    default:
1008       break;
1009    }
1010
1011    new_cursor = p + header_length + bias + payload_size / 4;
1012    if (new_cursor > file->end)
1013       return AUB_ITEM_DECODE_NEED_MORE_DATA;
1014
1015    switch (h & 0xffff0000) {
1016    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_HEADER):
1017       break;
1018    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BLOCK):
1019       handle_trace_block(spec, p);
1020       break;
1021    case MAKE_HEADER(TYPE_AUB, OPCODE_AUB, SUBOPCODE_BMP):
1022       break;
1023    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_VERSION):
1024       printf("version block: dw1 %08x\n", p[1]);
1025       device = (p[1] >> 8) & 0xff;
1026       printf("  device %s\n", device_map[device].name);
1027       break;
1028    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_REG_WRITE):
1029       printf("register write block: (dwords %d)\n", h & 0xffff);
1030       printf("  reg 0x%x, data 0x%x\n", p[1], p[5]);
1031       break;
1032    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_WRITE):
1033       printf("memory write block (dwords %d):\n", h & 0xffff);
1034       printf("  address 0x%"PRIx64"\n", *(uint64_t *) &p[1]);
1035       data_type = (p[3] >> 20) & 0xff;
1036       if (data_type != 0)
1037          printf("  data type 0x%x\n", data_type);
1038       printf("  address space 0x%x\n", (p[3] >> 28) & 0xf);
1039       break;
1040    case MAKE_HEADER(TYPE_AUB, OPCODE_NEW_AUB, SUBOPCODE_MEM_POLL):
1041       printf("memory poll block (dwords %d):\n", h & 0xffff);
1042       break;
1043    default:
1044       printf("unknown block type=0x%x, opcode=0x%x, "
1045              "subopcode=0x%x (%08x)\n", TYPE(h), OPCODE(h), SUBOPCODE(h), h);
1046       break;
1047    }
1048    file->cursor = new_cursor;
1049
1050    return AUB_ITEM_DECODE_OK;
1051 }
1052
1053 static int
1054 aub_file_more_stuff(struct aub_file *file)
1055 {
1056    return file->cursor < file->end || (file->stream && !feof(file->stream));
1057 }
1058
1059 #define AUB_READ_BUFFER_SIZE (4096)
1060 #define MAX(a, b) ((a) < (b) ? (b) : (a))
1061
1062 static void
1063 aub_file_data_grow(struct aub_file *file)
1064 {
1065    size_t old_size = (file->mem_end - file->map) * 4;
1066    size_t new_size = MAX(old_size * 2, AUB_READ_BUFFER_SIZE);
1067    uint32_t *new_start = realloc(file->map, new_size);
1068
1069    file->cursor = new_start + (file->cursor - file->map);
1070    file->end = new_start + (file->end - file->map);
1071    file->map = new_start;
1072    file->mem_end = file->map + (new_size / 4);
1073 }
1074
1075 static bool
1076 aub_file_data_load(struct aub_file *file)
1077 {
1078    size_t r;
1079
1080    if (file->stream == NULL)
1081       return false;
1082
1083    /* First remove any consumed data */
1084    if (file->cursor > file->map) {
1085       memmove(file->map, file->cursor,
1086               (file->end - file->cursor) * 4);
1087       file->end -= file->cursor - file->map;
1088       file->cursor = file->map;
1089    }
1090
1091    /* Then load some new data in */
1092    if ((file->mem_end - file->end) < (AUB_READ_BUFFER_SIZE / 4))
1093       aub_file_data_grow(file);
1094
1095    r = fread(file->end, 1, (file->mem_end - file->end) * 4, file->stream);
1096    file->end += r / 4;
1097
1098    return r != 0;
1099 }
1100
1101 static void
1102 setup_pager(void)
1103 {
1104    int fds[2];
1105    pid_t pid;
1106
1107    if (!isatty(1))
1108       return;
1109
1110    if (pipe(fds) == -1)
1111       return;
1112
1113    pid = fork();
1114    if (pid == -1)
1115       return;
1116
1117    if (pid == 0) {
1118       close(fds[1]);
1119       dup2(fds[0], 0);
1120       execlp("less", "less", "-FRSi", NULL);
1121    }
1122
1123    close(fds[0]);
1124    dup2(fds[1], 1);
1125    close(fds[1]);
1126 }
1127
1128 static void
1129 print_help(const char *progname, FILE *file)
1130 {
1131    fprintf(file,
1132            "Usage: %s [OPTION]... [FILE]\n"
1133            "Decode aub file contents from either FILE or the standard input.\n\n"
1134            "A valid --gen option must be provided.\n\n"
1135            "      --help          display this help and exit\n"
1136            "      --gen=platform  decode for given platform (ivb, byt, hsw, bdw, chv, skl, kbl or bxt)\n"
1137            "      --headers       decode only command headers\n"
1138            "      --color[=WHEN]  colorize the output; WHEN can be 'auto' (default\n"
1139            "                        if omitted), 'always', or 'never'\n"
1140            "      --no-pager      don't launch pager\n"
1141            "      --no-offsets    don't print instruction offsets\n"
1142            "      --xml=DIR       load hardware xml description from directory DIR\n",
1143            progname);
1144 }
1145
1146 int main(int argc, char *argv[])
1147 {
1148    struct gen_spec *spec;
1149    struct aub_file *file;
1150    int c, i;
1151    bool help = false, pager = true;
1152    char *input_file = NULL, *xml_path = NULL;
1153    char gen_val[24] = { 0, };
1154    const struct {
1155       const char *name;
1156       int pci_id;
1157    } gens[] = {
1158       { "ivb", 0x0166 }, /* Intel(R) Ivybridge Mobile GT2 */
1159       { "hsw", 0x0416 }, /* Intel(R) Haswell Mobile GT2 */
1160       { "byt", 0x0155 }, /* Intel(R) Bay Trail */
1161       { "bdw", 0x1616 }, /* Intel(R) HD Graphics 5500 (Broadwell GT2) */
1162       { "chv", 0x22B3 }, /* Intel(R) HD Graphics (Cherryview) */
1163       { "skl", 0x1912 }, /* Intel(R) HD Graphics 530 (Skylake GT2) */
1164       { "kbl", 0x591D }, /* Intel(R) Kabylake GT2 */
1165       { "bxt", 0x0A84 }  /* Intel(R) HD Graphics (Broxton) */
1166    }, *gen = NULL;
1167    const struct option aubinator_opts[] = {
1168       { "help",       no_argument,       (int *) &help,                 true },
1169       { "no-pager",   no_argument,       (int *) &pager,                false },
1170       { "no-offsets", no_argument,       (int *) &option_print_offsets, false },
1171       { "gen",        required_argument, NULL,                          'g' },
1172       { "headers",    no_argument,       (int *) &option_full_decode,   false },
1173       { "color",      required_argument, NULL,                          'c' },
1174       { "xml",        required_argument, NULL,                          'x' },
1175       { NULL,         0,                 NULL,                          0 }
1176    };
1177    struct gen_device_info devinfo;
1178
1179    i = 0;
1180    while ((c = getopt_long(argc, argv, "", aubinator_opts, &i)) != -1) {
1181       switch (c) {
1182       case 'g':
1183          snprintf(gen_val, sizeof(gen_val), "%s", optarg);
1184          break;
1185       case 'c':
1186          if (optarg == NULL || strcmp(optarg, "always") == 0)
1187             option_color = COLOR_ALWAYS;
1188          else if (strcmp(optarg, "never") == 0)
1189             option_color = COLOR_NEVER;
1190          else if (strcmp(optarg, "auto") == 0)
1191             option_color = COLOR_AUTO;
1192          else {
1193             fprintf(stderr, "invalid value for --color: %s", optarg);
1194             exit(EXIT_FAILURE);
1195          }
1196          break;
1197       case 'x':
1198          xml_path = strdup(optarg);
1199          break;
1200       default:
1201          break;
1202       }
1203    }
1204
1205    if (help || argc == 1) {
1206       print_help(argv[0], stderr);
1207       exit(0);
1208    }
1209
1210    if (optind < argc)
1211       input_file = argv[optind];
1212
1213    for (i = 0; i < ARRAY_SIZE(gens); i++) {
1214       if (!strcmp(gen_val, gens[i].name)) {
1215          gen = &gens[i];
1216          break;
1217       }
1218    }
1219
1220    if (gen == NULL) {
1221       fprintf(stderr, "can't parse gen: '%s', expected ivb, byt, hsw, "
1222                              "bdw, chv, skl, kbl or bxt\n", gen_val);
1223       exit(EXIT_FAILURE);
1224    }
1225
1226    if (!gen_get_device_info(gen->pci_id, &devinfo)) {
1227       fprintf(stderr, "can't find device information: pci_id=0x%x name=%s\n",
1228               gen->pci_id, gen->name);
1229       exit(EXIT_FAILURE);
1230    }
1231
1232
1233    /* Do this before we redirect stdout to pager. */
1234    if (option_color == COLOR_AUTO)
1235       option_color = isatty(1) ? COLOR_ALWAYS : COLOR_NEVER;
1236
1237    if (isatty(1) && pager)
1238       setup_pager();
1239
1240    if (xml_path == NULL)
1241       spec = gen_spec_load(&devinfo);
1242    else
1243       spec = gen_spec_load_from_path(&devinfo, xml_path);
1244    disasm = gen_disasm_create(gen->pci_id);
1245
1246    if (spec == NULL || disasm == NULL)
1247       exit(EXIT_FAILURE);
1248
1249    if (input_file == NULL)
1250       file = aub_file_stdin();
1251    else
1252       file = aub_file_open(input_file);
1253
1254    /* mmap a terabyte for our gtt space. */
1255    gtt_size = 1ul << 40;
1256    gtt = mmap(NULL, gtt_size, PROT_READ | PROT_WRITE,
1257               MAP_PRIVATE | MAP_ANONYMOUS |  MAP_NORESERVE, -1, 0);
1258    if (gtt == MAP_FAILED) {
1259       fprintf(stderr, "failed to alloc gtt space: %s\n", strerror(errno));
1260       exit(EXIT_FAILURE);
1261    }
1262
1263    while (aub_file_more_stuff(file)) {
1264       switch (aub_file_decode_batch(file, spec)) {
1265       case AUB_ITEM_DECODE_OK:
1266          break;
1267       case AUB_ITEM_DECODE_NEED_MORE_DATA:
1268          if (!file->stream) {
1269             file->cursor = file->end;
1270             break;
1271          }
1272          if (aub_file_more_stuff(file) && !aub_file_data_load(file)) {
1273             fprintf(stderr, "failed to load data from stdin\n");
1274             exit(EXIT_FAILURE);
1275          }
1276          break;
1277       default:
1278          fprintf(stderr, "failed to parse aubdump data\n");
1279          exit(EXIT_FAILURE);
1280       }
1281    }
1282
1283
1284    fflush(stdout);
1285    /* close the stdout which is opened to write the output */
1286    close(1);
1287    free(xml_path);
1288
1289    wait(NULL);
1290
1291    return EXIT_SUCCESS;
1292 }