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