src/broadcom/compiler/vir_dump.c

   1 /*
   2  * Copyright © 2016-2017 Broadcom
   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 "broadcom/common/v3d_device_info.h"
  25 #include "v3d_compiler.h"
  26
  27 /* Prints a human-readable description of the uniform reference. */
  28 void
  29 vir_dump_uniform(enum quniform_contents contents,
  30                  uint32_t data)
  31 {
  32         static const char *quniform_names[] = {
  33                 [QUNIFORM_ALPHA_REF] = "alpha_ref",
  34                 [QUNIFORM_VIEWPORT_X_SCALE] = "vp_x_scale",
  35                 [QUNIFORM_VIEWPORT_Y_SCALE] = "vp_y_scale",
  36                 [QUNIFORM_VIEWPORT_Z_OFFSET] = "vp_z_offset",
  37                 [QUNIFORM_VIEWPORT_Z_SCALE] = "vp_z_scale",
  38                 [QUNIFORM_SHARED_OFFSET] = "shared_offset",
  39         };
  40
  41         switch (contents) {
  42         case QUNIFORM_CONSTANT:
  43                 fprintf(stderr, "0x%08x / %f", data, uif(data));
  44                 break;
  45
  46         case QUNIFORM_UNIFORM:
  47                 fprintf(stderr, "push[%d]", data);
  48                 break;
  49
  50         case QUNIFORM_TEXTURE_CONFIG_P1:
  51                 fprintf(stderr, "tex[%d].p1", data);
  52                 break;
  53
  54         case QUNIFORM_TMU_CONFIG_P0:
  55                 fprintf(stderr, "tex[%d].p0 | 0x%x",
  56                         v3d_tmu_config_data_get_unit(data),
  57                         v3d_tmu_config_data_get_value(data));
  58                 break;
  59
  60         case QUNIFORM_TMU_CONFIG_P1:
  61                 fprintf(stderr, "tex[%d].p1 | 0x%x",
  62                         v3d_tmu_config_data_get_unit(data),
  63                         v3d_tmu_config_data_get_value(data));
  64                 break;
  65
  66         case QUNIFORM_IMAGE_TMU_CONFIG_P0:
  67                 fprintf(stderr, "img[%d].p0 | 0x%x",
  68                         v3d_tmu_config_data_get_unit(data),
  69                         v3d_tmu_config_data_get_value(data));
  70                 break;
  71
  72         case QUNIFORM_TEXTURE_WIDTH:
  73                 fprintf(stderr, "tex[%d].width", data);
  74                 break;
  75         case QUNIFORM_TEXTURE_HEIGHT:
  76                 fprintf(stderr, "tex[%d].height", data);
  77                 break;
  78         case QUNIFORM_TEXTURE_DEPTH:
  79                 fprintf(stderr, "tex[%d].depth", data);
  80                 break;
  81         case QUNIFORM_TEXTURE_ARRAY_SIZE:
  82                 fprintf(stderr, "tex[%d].array_size", data);
  83                 break;
  84         case QUNIFORM_TEXTURE_LEVELS:
  85                 fprintf(stderr, "tex[%d].levels", data);
  86                 break;
  87
  88         case QUNIFORM_IMAGE_WIDTH:
  89                 fprintf(stderr, "img[%d].width", data);
  90                 break;
  91         case QUNIFORM_IMAGE_HEIGHT:
  92                 fprintf(stderr, "img[%d].height", data);
  93                 break;
  94         case QUNIFORM_IMAGE_DEPTH:
  95                 fprintf(stderr, "img[%d].depth", data);
  96                 break;
  97         case QUNIFORM_IMAGE_ARRAY_SIZE:
  98                 fprintf(stderr, "img[%d].array_size", data);
  99                 break;
 100
 101         case QUNIFORM_UBO_ADDR:
 102                 fprintf(stderr, "ubo[%d]", data);
 103                 break;
 104
 105         case QUNIFORM_SSBO_OFFSET:
 106                 fprintf(stderr, "ssbo[%d]", data);
 107                 break;
 108
 109         case QUNIFORM_GET_BUFFER_SIZE:
 110                 fprintf(stderr, "ssbo_size[%d]", data);
 111                 break;
 112
 113         case QUNIFORM_NUM_WORK_GROUPS:
 114                 fprintf(stderr, "num_wg.%c", data < 3 ? "xyz"[data] : '?');
 115                 break;
 116
 117         default:
 118                 if (quniform_contents_is_texture_p0(contents)) {
 119                         fprintf(stderr, "tex[%d].p0: 0x%08x",
 120                                 contents - QUNIFORM_TEXTURE_CONFIG_P0_0,
 121                                 data);
 122                 } else if (contents < ARRAY_SIZE(quniform_names) &&
 123                            quniform_names[contents]) {
 124                         fprintf(stderr, "%s",
 125                                 quniform_names[contents]);
 126                 } else {
 127                         fprintf(stderr, "%d / 0x%08x", contents, data);
 128                 }
 129         }
 130 }
 131
 132 static void
 133 vir_print_reg(struct v3d_compile *c, const struct qinst *inst,
 134               struct qreg reg)
 135 {
 136         static const char *files[] = {
 137                 [QFILE_TEMP] = "t",
 138                 [QFILE_TLB] = "tlb",
 139                 [QFILE_TLBU] = "tlbu",
 140         };
 141
 142         switch (reg.file) {
 143
 144         case QFILE_NULL:
 145                 fprintf(stderr, "null");
 146                 break;
 147
 148         case QFILE_LOAD_IMM:
 149                 fprintf(stderr, "0x%08x (%f)", reg.index, uif(reg.index));
 150                 break;
 151
 152         case QFILE_REG:
 153                 fprintf(stderr, "rf%d", reg.index);
 154                 break;
 155
 156         case QFILE_MAGIC:
 157                 fprintf(stderr, "%s", v3d_qpu_magic_waddr_name(reg.index));
 158                 break;
 159
 160         case QFILE_SMALL_IMM: {
 161                 uint32_t unpacked;
 162                 bool ok = v3d_qpu_small_imm_unpack(c->devinfo,
 163                                                    inst->qpu.raddr_b,
 164                                                    &unpacked);
 165                 assert(ok); (void) ok;
 166
 167                 if ((int)inst->qpu.raddr_b >= -16 &&
 168                     (int)inst->qpu.raddr_b <= 15)
 169                         fprintf(stderr, "%d", unpacked);
 170                 else
 171                         fprintf(stderr, "%f", uif(unpacked));
 172                 break;
 173         }
 174
 175         case QFILE_VPM:
 176                 fprintf(stderr, "vpm%d.%d",
 177                         reg.index / 4, reg.index % 4);
 178                 break;
 179
 180         case QFILE_TLB:
 181         case QFILE_TLBU:
 182                 fprintf(stderr, "%s", files[reg.file]);
 183                 break;
 184
 185         default:
 186                 fprintf(stderr, "%s%d", files[reg.file], reg.index);
 187                 break;
 188         }
 189 }
 190
 191 static void
 192 vir_dump_sig_addr(const struct v3d_device_info *devinfo,
 193                   const struct v3d_qpu_instr *instr)
 194 {
 195         if (devinfo->ver < 41)
 196                 return;
 197
 198         if (!instr->sig_magic)
 199                 fprintf(stderr, ".rf%d", instr->sig_addr);
 200         else {
 201                 const char *name = v3d_qpu_magic_waddr_name(instr->sig_addr);
 202                 if (name)
 203                         fprintf(stderr, ".%s", name);
 204                 else
 205                         fprintf(stderr, ".UNKNOWN%d", instr->sig_addr);
 206         }
 207 }
 208
 209 static void
 210 vir_dump_sig(struct v3d_compile *c, struct qinst *inst)
 211 {
 212         struct v3d_qpu_sig *sig = &inst->qpu.sig;
 213
 214         if (sig->thrsw)
 215                 fprintf(stderr, "; thrsw");
 216         if (sig->ldvary) {
 217                 fprintf(stderr, "; ldvary");
 218                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 219         }
 220         if (sig->ldvpm)
 221                 fprintf(stderr, "; ldvpm");
 222         if (sig->ldtmu) {
 223                 fprintf(stderr, "; ldtmu");
 224                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 225         }
 226         if (sig->ldtlb) {
 227                 fprintf(stderr, "; ldtlb");
 228                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 229         }
 230         if (sig->ldtlbu) {
 231                 fprintf(stderr, "; ldtlbu");
 232                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 233         }
 234         if (sig->ldunif)
 235                 fprintf(stderr, "; ldunif");
 236         if (sig->ldunifrf) {
 237                 fprintf(stderr, "; ldunifrf");
 238                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 239         }
 240         if (sig->ldunifa)
 241                 fprintf(stderr, "; ldunifa");
 242         if (sig->ldunifarf) {
 243                 fprintf(stderr, "; ldunifarf");
 244                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 245         }
 246         if (sig->wrtmuc)
 247                 fprintf(stderr, "; wrtmuc");
 248 }
 249
 250 static void
 251 vir_dump_alu(struct v3d_compile *c, struct qinst *inst)
 252 {
 253         struct v3d_qpu_instr *instr = &inst->qpu;
 254         int nsrc = vir_get_nsrc(inst);
 255         enum v3d_qpu_input_unpack unpack[2];
 256
 257         if (inst->qpu.alu.add.op != V3D_QPU_A_NOP) {
 258                 fprintf(stderr, "%s", v3d_qpu_add_op_name(instr->alu.add.op));
 259                 fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.ac));
 260                 fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.apf));
 261                 fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.auf));
 262                 fprintf(stderr, " ");
 263
 264                 vir_print_reg(c, inst, inst->dst);
 265                 fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.add.output_pack));
 266
 267                 unpack[0] = instr->alu.add.a_unpack;
 268                 unpack[1] = instr->alu.add.b_unpack;
 269         } else {
 270                 fprintf(stderr, "%s", v3d_qpu_mul_op_name(instr->alu.mul.op));
 271                 fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.mc));
 272                 fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.mpf));
 273                 fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.muf));
 274                 fprintf(stderr, " ");
 275
 276                 vir_print_reg(c, inst, inst->dst);
 277                 fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.mul.output_pack));
 278
 279                 unpack[0] = instr->alu.mul.a_unpack;
 280                 unpack[1] = instr->alu.mul.b_unpack;
 281         }
 282
 283         for (int i = 0; i < nsrc; i++) {
 284                 fprintf(stderr, ", ");
 285                 vir_print_reg(c, inst, inst->src[i]);
 286                 fprintf(stderr, "%s", v3d_qpu_unpack_name(unpack[i]));
 287         }
 288
 289         vir_dump_sig(c, inst);
 290 }
 291
 292 void
 293 vir_dump_inst(struct v3d_compile *c, struct qinst *inst)
 294 {
 295         struct v3d_qpu_instr *instr = &inst->qpu;
 296
 297         switch (inst->qpu.type) {
 298         case V3D_QPU_INSTR_TYPE_ALU:
 299                 vir_dump_alu(c, inst);
 300                 break;
 301         case V3D_QPU_INSTR_TYPE_BRANCH:
 302                 fprintf(stderr, "b");
 303                 if (instr->branch.ub)
 304                         fprintf(stderr, "u");
 305
 306                 fprintf(stderr, "%s",
 307                         v3d_qpu_branch_cond_name(instr->branch.cond));
 308                 fprintf(stderr, "%s", v3d_qpu_msfign_name(instr->branch.msfign));
 309
 310                 switch (instr->branch.bdi) {
 311                 case V3D_QPU_BRANCH_DEST_ABS:
 312                         fprintf(stderr, "  zero_addr+0x%08x", instr->branch.offset);
 313                         break;
 314
 315                 case V3D_QPU_BRANCH_DEST_REL:
 316                         fprintf(stderr, "  %d", instr->branch.offset);
 317                         break;
 318
 319                 case V3D_QPU_BRANCH_DEST_LINK_REG:
 320                         fprintf(stderr, "  lri");
 321                         break;
 322
 323                 case V3D_QPU_BRANCH_DEST_REGFILE:
 324                         fprintf(stderr, "  rf%d", instr->branch.raddr_a);
 325                         break;
 326                 }
 327
 328                 if (instr->branch.ub) {
 329                         switch (instr->branch.bdu) {
 330                         case V3D_QPU_BRANCH_DEST_ABS:
 331                                 fprintf(stderr, ", a:unif");
 332                                 break;
 333
 334                         case V3D_QPU_BRANCH_DEST_REL:
 335                                 fprintf(stderr, ", r:unif");
 336                                 break;
 337
 338                         case V3D_QPU_BRANCH_DEST_LINK_REG:
 339                                 fprintf(stderr, ", lri");
 340                                 break;
 341
 342                         case V3D_QPU_BRANCH_DEST_REGFILE:
 343                                 fprintf(stderr, ", rf%d", instr->branch.raddr_a);
 344                                 break;
 345                         }
 346                 }
 347                 break;
 348         }
 349
 350         if (vir_has_uniform(inst)) {
 351                 fprintf(stderr, " (");
 352                 vir_dump_uniform(c->uniform_contents[inst->uniform],
 353                                  c->uniform_data[inst->uniform]);
 354                 fprintf(stderr, ")");
 355         }
 356 }
 357
 358 void
 359 vir_dump(struct v3d_compile *c)
 360 {
 361         int ip = 0;
 362
 363         vir_for_each_block(block, c) {
 364                 fprintf(stderr, "BLOCK %d:\n", block->index);
 365                 vir_for_each_inst(inst, block) {
 366                         if (c->live_intervals_valid) {
 367                                 bool first = true;
 368
 369                                 for (int i = 0; i < c->num_temps; i++) {
 370                                         if (c->temp_start[i] != ip)
 371                                                 continue;
 372
 373                                         if (first) {
 374                                                 first = false;
 375                                         } else {
 376                                                 fprintf(stderr, ", ");
 377                                         }
 378                                         fprintf(stderr, "S%4d", i);
 379                                 }
 380
 381                                 if (first)
 382                                         fprintf(stderr, "      ");
 383                                 else
 384                                         fprintf(stderr, " ");
 385                         }
 386
 387                         if (c->live_intervals_valid) {
 388                                 bool first = true;
 389
 390                                 for (int i = 0; i < c->num_temps; i++) {
 391                                         if (c->temp_end[i] != ip)
 392                                                 continue;
 393
 394                                         if (first) {
 395                                                 first = false;
 396                                         } else {
 397                                                 fprintf(stderr, ", ");
 398                                         }
 399                                         fprintf(stderr, "E%4d", i);
 400                                 }
 401
 402                                 if (first)
 403                                         fprintf(stderr, "      ");
 404                                 else
 405                                         fprintf(stderr, " ");
 406                         }
 407
 408                         vir_dump_inst(c, inst);
 409                         fprintf(stderr, "\n");
 410                         ip++;
 411                 }
 412                 if (block->successors[1]) {
 413                         fprintf(stderr, "-> BLOCK %d, %d\n",
 414                                 block->successors[0]->index,
 415                                 block->successors[1]->index);
 416                 } else if (block->successors[0]) {
 417                         fprintf(stderr, "-> BLOCK %d\n",
 418                                 block->successors[0]->index);
 419                 }
 420         }
 421 }