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, const struct qinst *inst,
  29               struct qreg reg)
  30 {
  31         static const char *files[] = {
  32                 [QFILE_TEMP] = "t",
  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                 uint32_t unpacked;
  64                 bool ok = v3d_qpu_small_imm_unpack(c->devinfo,
  65                                                    inst->qpu.raddr_b,
  66                                                    &unpacked);
  67                 assert(ok); (void) ok;
  68
  69                 if ((int)inst->qpu.raddr_b >= -16 &&
  70                     (int)inst->qpu.raddr_b <= 15)
  71                         fprintf(stderr, "%d", unpacked);
  72                 else
  73                         fprintf(stderr, "%f", uif(unpacked));
  74                 break;
  75         }
  76
  77         case QFILE_VPM:
  78                 fprintf(stderr, "vpm%d.%d",
  79                         reg.index / 4, reg.index % 4);
  80                 break;
  81
  82         case QFILE_TLB:
  83         case QFILE_TLBU:
  84                 fprintf(stderr, "%s", files[reg.file]);
  85                 break;
  86
  87         case QFILE_UNIF: {
  88                 enum quniform_contents contents = c->uniform_contents[reg.index];
  89
  90                 fprintf(stderr, "%s%d", files[reg.file], reg.index);
  91
  92                 switch (contents) {
  93                 case QUNIFORM_CONSTANT:
  94                         fprintf(stderr, " (0x%08x / %f)",
  95                                 c->uniform_data[reg.index],
  96                                 uif(c->uniform_data[reg.index]));
  97                         break;
  98
  99                 case QUNIFORM_UNIFORM:
 100                         fprintf(stderr, " (push[%d])",
 101                                 c->uniform_data[reg.index]);
 102                         break;
 103
 104                 case QUNIFORM_TEXTURE_CONFIG_P1:
 105                         fprintf(stderr, " (tex[%d].p1)",
 106                                 c->uniform_data[reg.index]);
 107                         break;
 108
 109                 case QUNIFORM_TEXTURE_WIDTH:
 110                         fprintf(stderr, " (tex[%d].width)",
 111                                 c->uniform_data[reg.index]);
 112                         break;
 113                 case QUNIFORM_TEXTURE_HEIGHT:
 114                         fprintf(stderr, " (tex[%d].height)",
 115                                 c->uniform_data[reg.index]);
 116                         break;
 117                 case QUNIFORM_TEXTURE_DEPTH:
 118                         fprintf(stderr, " (tex[%d].depth)",
 119                                 c->uniform_data[reg.index]);
 120                         break;
 121                 case QUNIFORM_TEXTURE_ARRAY_SIZE:
 122                         fprintf(stderr, " (tex[%d].array_size)",
 123                                 c->uniform_data[reg.index]);
 124                         break;
 125                 case QUNIFORM_TEXTURE_LEVELS:
 126                         fprintf(stderr, " (tex[%d].levels)",
 127                                 c->uniform_data[reg.index]);
 128                         break;
 129
 130                 case QUNIFORM_UBO_ADDR:
 131                         fprintf(stderr, " (ubo[%d])",
 132                                 c->uniform_data[reg.index]);
 133                         break;
 134
 135                 default:
 136                         if (quniform_contents_is_texture_p0(contents)) {
 137                                 fprintf(stderr, " (tex[%d].p0: 0x%08x)",
 138                                         contents - QUNIFORM_TEXTURE_CONFIG_P0_0,
 139                                         c->uniform_data[reg.index]);
 140                         } else if (contents < ARRAY_SIZE(quniform_names)) {
 141                                 fprintf(stderr, " (%s)",
 142                                         quniform_names[contents]);
 143                         } else {
 144                                 fprintf(stderr, " (%d / 0x%08x)", contents,
 145                                         c->uniform_data[reg.index]);
 146                         }
 147                 }
 148
 149                 break;
 150         }
 151
 152         default:
 153                 fprintf(stderr, "%s%d", files[reg.file], reg.index);
 154                 break;
 155         }
 156 }
 157
 158 static void
 159 vir_dump_sig_addr(const struct v3d_device_info *devinfo,
 160                   const struct v3d_qpu_instr *instr)
 161 {
 162         if (devinfo->ver < 41)
 163                 return;
 164
 165         if (!instr->sig_magic)
 166                 fprintf(stderr, ".rf%d", instr->sig_addr);
 167         else {
 168                 const char *name = v3d_qpu_magic_waddr_name(instr->sig_addr);
 169                 if (name)
 170                         fprintf(stderr, ".%s", name);
 171                 else
 172                         fprintf(stderr, ".UNKNOWN%d", instr->sig_addr);
 173         }
 174 }
 175
 176 static void
 177 vir_dump_sig(struct v3d_compile *c, struct qinst *inst)
 178 {
 179         struct v3d_qpu_sig *sig = &inst->qpu.sig;
 180
 181         if (sig->thrsw)
 182                 fprintf(stderr, "; thrsw");
 183         if (sig->ldvary) {
 184                 fprintf(stderr, "; ldvary");
 185                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 186         }
 187         if (sig->ldvpm)
 188                 fprintf(stderr, "; ldvpm");
 189         if (sig->ldtmu) {
 190                 fprintf(stderr, "; ldtmu");
 191                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 192         }
 193         if (sig->ldtlb) {
 194                 fprintf(stderr, "; ldtlb");
 195                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 196         }
 197         if (sig->ldtlbu) {
 198                 fprintf(stderr, "; ldtlbu");
 199                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 200         }
 201         if (sig->ldunif)
 202                 fprintf(stderr, "; ldunif");
 203         if (sig->ldunifrf) {
 204                 fprintf(stderr, "; ldunifrf");
 205                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 206         }
 207         if (sig->ldunifa)
 208                 fprintf(stderr, "; ldunifa");
 209         if (sig->ldunifarf) {
 210                 fprintf(stderr, "; ldunifarf");
 211                 vir_dump_sig_addr(c->devinfo, &inst->qpu);
 212         }
 213         if (sig->wrtmuc)
 214                 fprintf(stderr, "; wrtmuc");
 215 }
 216
 217 static void
 218 vir_dump_alu(struct v3d_compile *c, struct qinst *inst)
 219 {
 220         struct v3d_qpu_instr *instr = &inst->qpu;
 221         int nsrc = vir_get_non_sideband_nsrc(inst);
 222         int sideband_nsrc = vir_get_nsrc(inst);
 223         enum v3d_qpu_input_unpack unpack[2];
 224
 225         if (inst->qpu.alu.add.op != V3D_QPU_A_NOP) {
 226                 fprintf(stderr, "%s", v3d_qpu_add_op_name(instr->alu.add.op));
 227                 fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.ac));
 228                 fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.apf));
 229                 fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.auf));
 230                 fprintf(stderr, " ");
 231
 232                 vir_print_reg(c, inst, inst->dst);
 233                 fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.add.output_pack));
 234
 235                 unpack[0] = instr->alu.add.a_unpack;
 236                 unpack[1] = instr->alu.add.b_unpack;
 237         } else {
 238                 fprintf(stderr, "%s", v3d_qpu_mul_op_name(instr->alu.mul.op));
 239                 fprintf(stderr, "%s", v3d_qpu_cond_name(instr->flags.mc));
 240                 fprintf(stderr, "%s", v3d_qpu_pf_name(instr->flags.mpf));
 241                 fprintf(stderr, "%s", v3d_qpu_uf_name(instr->flags.muf));
 242                 fprintf(stderr, " ");
 243
 244                 vir_print_reg(c, inst, inst->dst);
 245                 fprintf(stderr, "%s", v3d_qpu_pack_name(instr->alu.mul.output_pack));
 246
 247                 unpack[0] = instr->alu.mul.a_unpack;
 248                 unpack[1] = instr->alu.mul.b_unpack;
 249         }
 250
 251         for (int i = 0; i < sideband_nsrc; i++) {
 252                 fprintf(stderr, ", ");
 253                 vir_print_reg(c, inst, inst->src[i]);
 254                 if (i < nsrc)
 255                         fprintf(stderr, "%s", v3d_qpu_unpack_name(unpack[i]));
 256         }
 257
 258         vir_dump_sig(c, inst);
 259 }
 260
 261 void
 262 vir_dump_inst(struct v3d_compile *c, struct qinst *inst)
 263 {
 264         struct v3d_qpu_instr *instr = &inst->qpu;
 265
 266         switch (inst->qpu.type) {
 267         case V3D_QPU_INSTR_TYPE_ALU:
 268                 vir_dump_alu(c, inst);
 269                 break;
 270         case V3D_QPU_INSTR_TYPE_BRANCH:
 271                 fprintf(stderr, "b");
 272                 if (instr->branch.ub)
 273                         fprintf(stderr, "u");
 274
 275                 fprintf(stderr, "%s",
 276                         v3d_qpu_branch_cond_name(instr->branch.cond));
 277                 fprintf(stderr, "%s", v3d_qpu_msfign_name(instr->branch.msfign));
 278
 279                 switch (instr->branch.bdi) {
 280                 case V3D_QPU_BRANCH_DEST_ABS:
 281                         fprintf(stderr, "  zero_addr+0x%08x", instr->branch.offset);
 282                         break;
 283
 284                 case V3D_QPU_BRANCH_DEST_REL:
 285                         fprintf(stderr, "  %d", instr->branch.offset);
 286                         break;
 287
 288                 case V3D_QPU_BRANCH_DEST_LINK_REG:
 289                         fprintf(stderr, "  lri");
 290                         break;
 291
 292                 case V3D_QPU_BRANCH_DEST_REGFILE:
 293                         fprintf(stderr, "  rf%d", instr->branch.raddr_a);
 294                         break;
 295                 }
 296
 297                 if (instr->branch.ub) {
 298                         switch (instr->branch.bdu) {
 299                         case V3D_QPU_BRANCH_DEST_ABS:
 300                                 fprintf(stderr, ", a:unif");
 301                                 break;
 302
 303                         case V3D_QPU_BRANCH_DEST_REL:
 304                                 fprintf(stderr, ", r:unif");
 305                                 break;
 306
 307                         case V3D_QPU_BRANCH_DEST_LINK_REG:
 308                                 fprintf(stderr, ", lri");
 309                                 break;
 310
 311                         case V3D_QPU_BRANCH_DEST_REGFILE:
 312                                 fprintf(stderr, ", rf%d", instr->branch.raddr_a);
 313                                 break;
 314                         }
 315                 }
 316
 317                 if (vir_has_implicit_uniform(inst)) {
 318                         fprintf(stderr, " ");
 319                         vir_print_reg(c, inst, inst->src[vir_get_implicit_uniform_src(inst)]);
 320                 }
 321
 322                 break;
 323         }
 324 }
 325
 326 void
 327 vir_dump(struct v3d_compile *c)
 328 {
 329         int ip = 0;
 330
 331         vir_for_each_block(block, c) {
 332                 fprintf(stderr, "BLOCK %d:\n", block->index);
 333                 vir_for_each_inst(inst, block) {
 334                         if (c->live_intervals_valid) {
 335                                 bool first = true;
 336
 337                                 for (int i = 0; i < c->num_temps; i++) {
 338                                         if (c->temp_start[i] != ip)
 339                                                 continue;
 340
 341                                         if (first) {
 342                                                 first = false;
 343                                         } else {
 344                                                 fprintf(stderr, ", ");
 345                                         }
 346                                         fprintf(stderr, "S%4d", i);
 347                                 }
 348
 349                                 if (first)
 350                                         fprintf(stderr, "      ");
 351                                 else
 352                                         fprintf(stderr, " ");
 353                         }
 354
 355                         if (c->live_intervals_valid) {
 356                                 bool first = true;
 357
 358                                 for (int i = 0; i < c->num_temps; i++) {
 359                                         if (c->temp_end[i] != ip)
 360                                                 continue;
 361
 362                                         if (first) {
 363                                                 first = false;
 364                                         } else {
 365                                                 fprintf(stderr, ", ");
 366                                         }
 367                                         fprintf(stderr, "E%4d", i);
 368                                 }
 369
 370                                 if (first)
 371                                         fprintf(stderr, "      ");
 372                                 else
 373                                         fprintf(stderr, " ");
 374                         }
 375
 376                         vir_dump_inst(c, inst);
 377                         fprintf(stderr, "\n");
 378                         ip++;
 379                 }
 380                 if (block->successors[1]) {
 381                         fprintf(stderr, "-> BLOCK %d, %d\n",
 382                                 block->successors[0]->index,
 383                                 block->successors[1]->index);
 384                 } else if (block->successors[0]) {
 385                         fprintf(stderr, "-> BLOCK %d\n",
 386                                 block->successors[0]->index);
 387                 }
 388         }
 389 }