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_UNIF] = "u",
 139                 [QFILE_TLB] = "tlb",
 140                 [QFILE_TLBU] = "tlbu",
 141         };
 142
 143         switch (reg.file) {
 144
 145         case QFILE_NULL:
 146                 fprintf(stderr, "null");
 147                 break;
 148
 149         case QFILE_LOAD_IMM:
 150                 fprintf(stderr, "0x%08x (%f)", reg.index, uif(reg.index));
 151                 break;
 152
 153         case QFILE_REG:
 154                 fprintf(stderr, "rf%d", reg.index);
 155                 break;
 156
 157         case QFILE_MAGIC:
 158                 fprintf(stderr, "%s", v3d_qpu_magic_waddr_name(reg.index));
 159                 break;
 160
 161         case QFILE_SMALL_IMM: {
 162                 uint32_t unpacked;
 163                 bool ok = v3d_qpu_small_imm_unpack(c->devinfo,
 164                                                    inst->qpu.raddr_b,
 165                                                    &unpacked);
 166                 assert(ok); (void) ok;
 167
 168                 if ((int)inst->qpu.raddr_b >= -16 &&
 169                     (int)inst->qpu.raddr_b <= 15)
 170                         fprintf(stderr, "%d", unpacked);
 171                 else
 172                         fprintf(stderr, "%f", uif(unpacked));
 173                 break;
 174         }
 175
 176         case QFILE_VPM:
 177                 fprintf(stderr, "vpm%d.%d",
 178                         reg.index / 4, reg.index % 4);
 179                 break;
 180
 181         case QFILE_TLB:
 182         case QFILE_TLBU:
 183                 fprintf(stderr, "%s", files[reg.file]);
 184                 break;
 185
 186         case QFILE_UNIF:
 187                 fprintf(stderr, "%s%d", files[reg.file], reg.index);
 188                 fprintf(stderr, " (");
 189                 vir_dump_uniform(c->uniform_contents[reg.index],
 190                                  c->uniform_data[reg.index]);
 191                 fprintf(stderr, ")");
 192                 break;
 193
 194         default:
 195                 fprintf(stderr, "%s%d", files[reg.file], reg.index);
 196                 break;
 197         }
 198 }
 199
 200 static void
 201 vir_dump_sig_addr(const struct v3d_device_info *devinfo,
 202                   const struct v3d_qpu_instr *instr)
 203 {
 204         if (devinfo->ver < 41)
 205                 return;
 206
 207         if (!instr->sig_magic)
 208                 fprintf(stderr, ".rf%d", instr->sig_addr);
 209         else {
 210                 const char *name = v3d_qpu_magic_waddr_name(instr->sig_addr);
 211                 if (name)
 212                         fprintf(stderr, ".%s", name);
 213                 else
 214                         fprintf(stderr, ".UNKNOWN%d", instr->sig_addr);
 215         }
 216 }
 217
 218 static void
 219 vir_dump_sig(struct v3d_compile *c, struct qinst *inst)
 220 {
 221         struct v3d_qpu_sig *sig = &inst->qpu.sig;
 222
 223         if (sig->thrsw)
 224                 fprintf(stderr, "; thrsw");
 225         if (sig->ldvary) {
 226                 fprintf(stderr, "; ldvary");
 227                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 228         }
 229         if (sig->ldvpm)
 230                 fprintf(stderr, "; ldvpm");
 231         if (sig->ldtmu) {
 232                 fprintf(stderr, "; ldtmu");
 233                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 234         }
 235         if (sig->ldtlb) {
 236                 fprintf(stderr, "; ldtlb");
 237                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 238         }
 239         if (sig->ldtlbu) {
 240                 fprintf(stderr, "; ldtlbu");
 241                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 242         }
 243         if (sig->ldunif)
 244                 fprintf(stderr, "; ldunif");
 245         if (sig->ldunifrf) {
 246                 fprintf(stderr, "; ldunifrf");
 247                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 248         }
 249         if (sig->ldunifa)
 250                 fprintf(stderr, "; ldunifa");
 251         if (sig->ldunifarf) {
 252                 fprintf(stderr, "; ldunifarf");
 253                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 254         }
 255         if (sig->wrtmuc)
 256                 fprintf(stderr, "; wrtmuc");
 257 }
 258
 259 static void
 260 vir_dump_alu(struct v3d_compile *c, struct qinst *inst)
 261 {
 262         struct v3d_qpu_instr *instr = &inst->qpu;
 263         int nsrc = vir_get_nsrc(inst);
 264         enum v3d_qpu_input_unpack unpack[2];
 265
 266         if (inst->qpu.alu.add.op != V3D_QPU_A_NOP) {
 267                 fprintf(stderr, "%s", v3d_qpu_add_op_name(instr->alu.add.op));
 268                 fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.ac));
 269                 fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.apf));
 270                 fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.auf));
 271                 fprintf(stderr, " ");
 272
 273                 vir_print_reg(c, inst, inst->dst);
 274                 fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.add.output_pack));
 275
 276                 unpack[0] = instr->alu.add.a_unpack;
 277                 unpack[1] = instr->alu.add.b_unpack;
 278         } else {
 279                 fprintf(stderr, "%s", v3d_qpu_mul_op_name(instr->alu.mul.op));
 280                 fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.mc));
 281                 fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.mpf));
 282                 fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.muf));
 283                 fprintf(stderr, " ");
 284
 285                 vir_print_reg(c, inst, inst->dst);
 286                 fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.mul.output_pack));
 287
 288                 unpack[0] = instr->alu.mul.a_unpack;
 289                 unpack[1] = instr->alu.mul.b_unpack;
 290         }
 291
 292         for (int i = 0; i < nsrc; i++) {
 293                 fprintf(stderr, ", ");
 294                 vir_print_reg(c, inst, inst->src[i]);
 295                 fprintf(stderr, "%s", v3d_qpu_unpack_name(unpack[i]));
 296         }
 297
 298         vir_dump_sig(c, inst);
 299 }
 300
 301 void
 302 vir_dump_inst(struct v3d_compile *c, struct qinst *inst)
 303 {
 304         struct v3d_qpu_instr *instr = &inst->qpu;
 305
 306         switch (inst->qpu.type) {
 307         case V3D_QPU_INSTR_TYPE_ALU:
 308                 vir_dump_alu(c, inst);
 309                 break;
 310         case V3D_QPU_INSTR_TYPE_BRANCH:
 311                 fprintf(stderr, "b");
 312                 if (instr->branch.ub)
 313                         fprintf(stderr, "u");
 314
 315                 fprintf(stderr, "%s",
 316                         v3d_qpu_branch_cond_name(instr->branch.cond));
 317                 fprintf(stderr, "%s", v3d_qpu_msfign_name(instr->branch.msfign));
 318
 319                 switch (instr->branch.bdi) {
 320                 case V3D_QPU_BRANCH_DEST_ABS:
 321                         fprintf(stderr, "  zero_addr+0x%08x", instr->branch.offset);
 322                         break;
 323
 324                 case V3D_QPU_BRANCH_DEST_REL:
 325                         fprintf(stderr, "  %d", instr->branch.offset);
 326                         break;
 327
 328                 case V3D_QPU_BRANCH_DEST_LINK_REG:
 329                         fprintf(stderr, "  lri");
 330                         break;
 331
 332                 case V3D_QPU_BRANCH_DEST_REGFILE:
 333                         fprintf(stderr, "  rf%d", instr->branch.raddr_a);
 334                         break;
 335                 }
 336
 337                 if (instr->branch.ub) {
 338                         switch (instr->branch.bdu) {
 339                         case V3D_QPU_BRANCH_DEST_ABS:
 340                                 fprintf(stderr, ", a:unif");
 341                                 break;
 342
 343                         case V3D_QPU_BRANCH_DEST_REL:
 344                                 fprintf(stderr, ", r:unif");
 345                                 break;
 346
 347                         case V3D_QPU_BRANCH_DEST_LINK_REG:
 348                                 fprintf(stderr, ", lri");
 349                                 break;
 350
 351                         case V3D_QPU_BRANCH_DEST_REGFILE:
 352                                 fprintf(stderr, ", rf%d", instr->branch.raddr_a);
 353                                 break;
 354                         }
 355                 }
 356                 break;
 357         }
 358
 359         if (vir_has_uniform(inst)) {
 360                 fprintf(stderr, " (");
 361                 vir_dump_uniform(c->uniform_contents[inst->uniform],
 362                                  c->uniform_data[inst->uniform]);
 363                 fprintf(stderr, ")");
 364         }
 365 }
 366
 367 void
 368 vir_dump(struct v3d_compile *c)
 369 {
 370         int ip = 0;
 371
 372         vir_for_each_block(block, c) {
 373                 fprintf(stderr, "BLOCK %d:\n", block->index);
 374                 vir_for_each_inst(inst, block) {
 375                         if (c->live_intervals_valid) {
 376                                 bool first = true;
 377
 378                                 for (int i = 0; i < c->num_temps; i++) {
 379                                         if (c->temp_start[i] != ip)
 380                                                 continue;
 381
 382                                         if (first) {
 383                                                 first = false;
 384                                         } else {
 385                                                 fprintf(stderr, ", ");
 386                                         }
 387                                         fprintf(stderr, "S%4d", i);
 388                                 }
 389
 390                                 if (first)
 391                                         fprintf(stderr, "      ");
 392                                 else
 393                                         fprintf(stderr, " ");
 394                         }
 395
 396                         if (c->live_intervals_valid) {
 397                                 bool first = true;
 398
 399                                 for (int i = 0; i < c->num_temps; i++) {
 400                                         if (c->temp_end[i] != ip)
 401                                                 continue;
 402
 403                                         if (first) {
 404                                                 first = false;
 405                                         } else {
 406                                                 fprintf(stderr, ", ");
 407                                         }
 408                                         fprintf(stderr, "E%4d", i);
 409                                 }
 410
 411                                 if (first)
 412                                         fprintf(stderr, "      ");
 413                                 else
 414                                         fprintf(stderr, " ");
 415                         }
 416
 417                         vir_dump_inst(c, inst);
 418                         fprintf(stderr, "\n");
 419                         ip++;
 420                 }
 421                 if (block->successors[1]) {
 422                         fprintf(stderr, "-> BLOCK %d, %d\n",
 423                                 block->successors[0]->index,
 424                                 block->successors[1]->index);
 425                 } else if (block->successors[0]) {
 426                         fprintf(stderr, "-> BLOCK %d\n",
 427                                 block->successors[0]->index);
 428                 }
 429         }
 430 }