1 /* 2 * Copyright(c) 2019-2023 Qualcomm Innovation Center, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #define QEMU_GENERATE 19 #include "qemu/osdep.h" 20 #include "cpu.h" 21 #include "tcg/tcg-op.h" 22 #include "tcg/tcg-op-gvec.h" 23 #include "exec/helper-gen.h" 24 #include "exec/helper-proto.h" 25 #include "exec/translation-block.h" 26 #include "exec/log.h" 27 #include "internal.h" 28 #include "attribs.h" 29 #include "insn.h" 30 #include "decode.h" 31 #include "translate.h" 32 #include "genptr.h" 33 #include "printinsn.h" 34 35 #define HELPER_H "helper.h" 36 #include "exec/helper-info.c.inc" 37 #undef HELPER_H 38 39 #include "analyze_funcs_generated.c.inc" 40 41 typedef void (*AnalyzeInsn)(DisasContext *ctx); 42 static const AnalyzeInsn opcode_analyze[XX_LAST_OPCODE] = { 43 #define OPCODE(X) [X] = analyze_##X 44 #include "opcodes_def_generated.h.inc" 45 #undef OPCODE 46 }; 47 48 TCGv hex_gpr[TOTAL_PER_THREAD_REGS]; 49 TCGv hex_pred[NUM_PREGS]; 50 TCGv hex_slot_cancelled; 51 TCGv hex_new_value_usr; 52 TCGv hex_reg_written[TOTAL_PER_THREAD_REGS]; 53 TCGv hex_store_addr[STORES_MAX]; 54 TCGv hex_store_width[STORES_MAX]; 55 TCGv hex_store_val32[STORES_MAX]; 56 TCGv_i64 hex_store_val64[STORES_MAX]; 57 TCGv hex_llsc_addr; 58 TCGv hex_llsc_val; 59 TCGv_i64 hex_llsc_val_i64; 60 TCGv hex_vstore_addr[VSTORES_MAX]; 61 TCGv hex_vstore_size[VSTORES_MAX]; 62 TCGv hex_vstore_pending[VSTORES_MAX]; 63 64 static const char * const hexagon_prednames[] = { 65 "p0", "p1", "p2", "p3" 66 }; 67 68 intptr_t ctx_future_vreg_off(DisasContext *ctx, int regnum, 69 int num, bool alloc_ok) 70 { 71 intptr_t offset; 72 73 if (!ctx->need_commit) { 74 return offsetof(CPUHexagonState, VRegs[regnum]); 75 } 76 77 /* See if it is already allocated */ 78 for (int i = 0; i < ctx->future_vregs_idx; i++) { 79 if (ctx->future_vregs_num[i] == regnum) { 80 return offsetof(CPUHexagonState, future_VRegs[i]); 81 } 82 } 83 84 g_assert(alloc_ok); 85 offset = offsetof(CPUHexagonState, future_VRegs[ctx->future_vregs_idx]); 86 for (int i = 0; i < num; i++) { 87 ctx->future_vregs_num[ctx->future_vregs_idx + i] = regnum++; 88 } 89 ctx->future_vregs_idx += num; 90 g_assert(ctx->future_vregs_idx <= VECTOR_TEMPS_MAX); 91 return offset; 92 } 93 94 intptr_t ctx_tmp_vreg_off(DisasContext *ctx, int regnum, 95 int num, bool alloc_ok) 96 { 97 intptr_t offset; 98 99 /* See if it is already allocated */ 100 for (int i = 0; i < ctx->tmp_vregs_idx; i++) { 101 if (ctx->tmp_vregs_num[i] == regnum) { 102 return offsetof(CPUHexagonState, tmp_VRegs[i]); 103 } 104 } 105 106 g_assert(alloc_ok); 107 offset = offsetof(CPUHexagonState, tmp_VRegs[ctx->tmp_vregs_idx]); 108 for (int i = 0; i < num; i++) { 109 ctx->tmp_vregs_num[ctx->tmp_vregs_idx + i] = regnum++; 110 } 111 ctx->tmp_vregs_idx += num; 112 g_assert(ctx->tmp_vregs_idx <= VECTOR_TEMPS_MAX); 113 return offset; 114 } 115 116 static void gen_exception_raw(int excp) 117 { 118 gen_helper_raise_exception(tcg_env, tcg_constant_i32(excp)); 119 } 120 121 static void gen_exec_counters(DisasContext *ctx) 122 { 123 tcg_gen_addi_tl(hex_gpr[HEX_REG_QEMU_PKT_CNT], 124 hex_gpr[HEX_REG_QEMU_PKT_CNT], ctx->num_packets); 125 tcg_gen_addi_tl(hex_gpr[HEX_REG_QEMU_INSN_CNT], 126 hex_gpr[HEX_REG_QEMU_INSN_CNT], ctx->num_insns); 127 tcg_gen_addi_tl(hex_gpr[HEX_REG_QEMU_HVX_CNT], 128 hex_gpr[HEX_REG_QEMU_HVX_CNT], ctx->num_hvx_insns); 129 } 130 131 static bool use_goto_tb(DisasContext *ctx, target_ulong dest) 132 { 133 return translator_use_goto_tb(&ctx->base, dest); 134 } 135 136 static void gen_goto_tb(DisasContext *ctx, int idx, target_ulong dest, bool 137 move_to_pc) 138 { 139 if (use_goto_tb(ctx, dest)) { 140 tcg_gen_goto_tb(idx); 141 if (move_to_pc) { 142 tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], dest); 143 } 144 tcg_gen_exit_tb(ctx->base.tb, idx); 145 } else { 146 if (move_to_pc) { 147 tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], dest); 148 } 149 tcg_gen_lookup_and_goto_ptr(); 150 } 151 } 152 153 static void gen_end_tb(DisasContext *ctx) 154 { 155 Packet *pkt = ctx->pkt; 156 157 gen_exec_counters(ctx); 158 159 if (ctx->branch_cond != TCG_COND_NEVER) { 160 if (ctx->branch_cond != TCG_COND_ALWAYS) { 161 TCGLabel *skip = gen_new_label(); 162 tcg_gen_brcondi_tl(ctx->branch_cond, ctx->branch_taken, 0, skip); 163 gen_goto_tb(ctx, 0, ctx->branch_dest, true); 164 gen_set_label(skip); 165 gen_goto_tb(ctx, 1, ctx->next_PC, false); 166 } else { 167 gen_goto_tb(ctx, 0, ctx->branch_dest, true); 168 } 169 } else if (ctx->is_tight_loop && 170 pkt->insn[pkt->num_insns - 1].opcode == J2_endloop0) { 171 /* 172 * When we're in a tight loop, we defer the endloop0 processing 173 * to take advantage of direct block chaining 174 */ 175 TCGLabel *skip = gen_new_label(); 176 tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC0], 1, skip); 177 tcg_gen_subi_tl(hex_gpr[HEX_REG_LC0], hex_gpr[HEX_REG_LC0], 1); 178 gen_goto_tb(ctx, 0, ctx->base.tb->pc, true); 179 gen_set_label(skip); 180 gen_goto_tb(ctx, 1, ctx->next_PC, false); 181 } else { 182 tcg_gen_lookup_and_goto_ptr(); 183 } 184 185 ctx->base.is_jmp = DISAS_NORETURN; 186 } 187 188 static void gen_exception_end_tb(DisasContext *ctx, int excp) 189 { 190 gen_exec_counters(ctx); 191 tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], ctx->next_PC); 192 gen_exception_raw(excp); 193 ctx->base.is_jmp = DISAS_NORETURN; 194 195 } 196 197 #define PACKET_BUFFER_LEN 1028 198 static void print_pkt(Packet *pkt) 199 { 200 GString *buf = g_string_sized_new(PACKET_BUFFER_LEN); 201 snprint_a_pkt_debug(buf, pkt); 202 HEX_DEBUG_LOG("%s", buf->str); 203 g_string_free(buf, true); 204 } 205 #define HEX_DEBUG_PRINT_PKT(pkt) \ 206 do { \ 207 if (HEX_DEBUG) { \ 208 print_pkt(pkt); \ 209 } \ 210 } while (0) 211 212 static int read_packet_words(CPUHexagonState *env, DisasContext *ctx, 213 uint32_t words[]) 214 { 215 bool found_end = false; 216 int nwords, max_words; 217 218 memset(words, 0, PACKET_WORDS_MAX * sizeof(uint32_t)); 219 for (nwords = 0; !found_end && nwords < PACKET_WORDS_MAX; nwords++) { 220 words[nwords] = 221 translator_ldl(env, &ctx->base, 222 ctx->base.pc_next + nwords * sizeof(uint32_t)); 223 found_end = is_packet_end(words[nwords]); 224 } 225 if (!found_end) { 226 /* Read too many words without finding the end */ 227 return 0; 228 } 229 230 /* Check for page boundary crossing */ 231 max_words = -(ctx->base.pc_next | TARGET_PAGE_MASK) / sizeof(uint32_t); 232 if (nwords > max_words) { 233 /* We can only cross a page boundary at the beginning of a TB */ 234 g_assert(ctx->base.num_insns == 1); 235 } 236 237 HEX_DEBUG_LOG("decode_packet: pc = 0x%" VADDR_PRIx "\n", 238 ctx->base.pc_next); 239 HEX_DEBUG_LOG(" words = { "); 240 for (int i = 0; i < nwords; i++) { 241 HEX_DEBUG_LOG("0x%x, ", words[i]); 242 } 243 HEX_DEBUG_LOG("}\n"); 244 245 return nwords; 246 } 247 248 static bool check_for_attrib(Packet *pkt, int attrib) 249 { 250 for (int i = 0; i < pkt->num_insns; i++) { 251 if (GET_ATTRIB(pkt->insn[i].opcode, attrib)) { 252 return true; 253 } 254 } 255 return false; 256 } 257 258 static bool need_slot_cancelled(Packet *pkt) 259 { 260 /* We only need slot_cancelled for conditional store instructions */ 261 for (int i = 0; i < pkt->num_insns; i++) { 262 uint16_t opcode = pkt->insn[i].opcode; 263 if (GET_ATTRIB(opcode, A_CONDEXEC) && 264 GET_ATTRIB(opcode, A_SCALAR_STORE)) { 265 return true; 266 } 267 } 268 return false; 269 } 270 271 static bool need_next_PC(DisasContext *ctx) 272 { 273 Packet *pkt = ctx->pkt; 274 275 /* Check for conditional control flow or HW loop end */ 276 for (int i = 0; i < pkt->num_insns; i++) { 277 uint16_t opcode = pkt->insn[i].opcode; 278 if (GET_ATTRIB(opcode, A_CONDEXEC) && GET_ATTRIB(opcode, A_COF)) { 279 return true; 280 } 281 if (GET_ATTRIB(opcode, A_HWLOOP0_END) || 282 GET_ATTRIB(opcode, A_HWLOOP1_END)) { 283 return true; 284 } 285 } 286 return false; 287 } 288 289 /* 290 * The opcode_analyze functions mark most of the writes in a packet 291 * However, there are some implicit writes marked as attributes 292 * of the applicable instructions. 293 */ 294 static void mark_implicit_reg_write(DisasContext *ctx, int attrib, int rnum) 295 { 296 uint16_t opcode = ctx->insn->opcode; 297 if (GET_ATTRIB(opcode, attrib)) { 298 /* 299 * USR is used to set overflow and FP exceptions, 300 * so treat it as conditional 301 */ 302 bool is_predicated = GET_ATTRIB(opcode, A_CONDEXEC) || 303 rnum == HEX_REG_USR; 304 305 /* LC0/LC1 is conditionally written by endloop instructions */ 306 if ((rnum == HEX_REG_LC0 || rnum == HEX_REG_LC1) && 307 (opcode == J2_endloop0 || 308 opcode == J2_endloop1 || 309 opcode == J2_endloop01)) { 310 is_predicated = true; 311 } 312 313 ctx_log_reg_write(ctx, rnum, is_predicated); 314 } 315 } 316 317 static void mark_implicit_reg_writes(DisasContext *ctx) 318 { 319 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_FP, HEX_REG_FP); 320 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_SP, HEX_REG_SP); 321 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_LR, HEX_REG_LR); 322 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_LC0, HEX_REG_LC0); 323 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_SA0, HEX_REG_SA0); 324 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_LC1, HEX_REG_LC1); 325 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_SA1, HEX_REG_SA1); 326 mark_implicit_reg_write(ctx, A_IMPLICIT_WRITES_USR, HEX_REG_USR); 327 mark_implicit_reg_write(ctx, A_FPOP, HEX_REG_USR); 328 } 329 330 static void mark_implicit_pred_write(DisasContext *ctx, int attrib, int pnum) 331 { 332 if (GET_ATTRIB(ctx->insn->opcode, attrib)) { 333 ctx_log_pred_write(ctx, pnum); 334 } 335 } 336 337 static void mark_implicit_pred_writes(DisasContext *ctx) 338 { 339 mark_implicit_pred_write(ctx, A_IMPLICIT_WRITES_P0, 0); 340 mark_implicit_pred_write(ctx, A_IMPLICIT_WRITES_P1, 1); 341 mark_implicit_pred_write(ctx, A_IMPLICIT_WRITES_P2, 2); 342 mark_implicit_pred_write(ctx, A_IMPLICIT_WRITES_P3, 3); 343 } 344 345 static bool pkt_raises_exception(Packet *pkt) 346 { 347 if (check_for_attrib(pkt, A_LOAD) || 348 check_for_attrib(pkt, A_STORE)) { 349 return true; 350 } 351 return false; 352 } 353 354 static bool need_commit(DisasContext *ctx) 355 { 356 Packet *pkt = ctx->pkt; 357 358 /* 359 * If the short-circuit property is set to false, we'll always do the commit 360 */ 361 if (!ctx->short_circuit) { 362 return true; 363 } 364 365 if (pkt_raises_exception(pkt)) { 366 return true; 367 } 368 369 /* Registers with immutability flags require new_value */ 370 for (int i = 0; i < ctx->reg_log_idx; i++) { 371 int rnum = ctx->reg_log[i]; 372 if (reg_immut_masks[rnum]) { 373 return true; 374 } 375 } 376 377 /* Floating point instructions are hard-coded to use new_value */ 378 if (check_for_attrib(pkt, A_FPOP)) { 379 return true; 380 } 381 382 if (pkt->num_insns == 1) { 383 if (pkt->pkt_has_hvx) { 384 /* 385 * The HVX instructions with generated helpers use 386 * pass-by-reference, so they need the read/write overlap 387 * check below. 388 * The HVX instructions with overrides are OK. 389 */ 390 if (!ctx->has_hvx_helper) { 391 return false; 392 } 393 } else { 394 return false; 395 } 396 } 397 398 /* Check for overlap between register reads and writes */ 399 for (int i = 0; i < ctx->reg_log_idx; i++) { 400 int rnum = ctx->reg_log[i]; 401 if (test_bit(rnum, ctx->regs_read)) { 402 return true; 403 } 404 } 405 406 /* Check for overlap between predicate reads and writes */ 407 for (int i = 0; i < ctx->preg_log_idx; i++) { 408 int pnum = ctx->preg_log[i]; 409 if (test_bit(pnum, ctx->pregs_read)) { 410 return true; 411 } 412 } 413 414 /* Check for overlap between HVX reads and writes */ 415 for (int i = 0; i < ctx->vreg_log_idx; i++) { 416 int vnum = ctx->vreg_log[i]; 417 if (test_bit(vnum, ctx->vregs_read)) { 418 return true; 419 } 420 } 421 if (!bitmap_empty(ctx->vregs_updated_tmp, NUM_VREGS)) { 422 int i = find_first_bit(ctx->vregs_updated_tmp, NUM_VREGS); 423 while (i < NUM_VREGS) { 424 if (test_bit(i, ctx->vregs_read)) { 425 return true; 426 } 427 i = find_next_bit(ctx->vregs_updated_tmp, NUM_VREGS, i + 1); 428 } 429 } 430 if (!bitmap_empty(ctx->vregs_select, NUM_VREGS)) { 431 int i = find_first_bit(ctx->vregs_select, NUM_VREGS); 432 while (i < NUM_VREGS) { 433 if (test_bit(i, ctx->vregs_read)) { 434 return true; 435 } 436 i = find_next_bit(ctx->vregs_select, NUM_VREGS, i + 1); 437 } 438 } 439 440 /* Check for overlap between HVX predicate reads and writes */ 441 for (int i = 0; i < ctx->qreg_log_idx; i++) { 442 int qnum = ctx->qreg_log[i]; 443 if (test_bit(qnum, ctx->qregs_read)) { 444 return true; 445 } 446 } 447 448 return false; 449 } 450 451 static void mark_implicit_pred_read(DisasContext *ctx, int attrib, int pnum) 452 { 453 if (GET_ATTRIB(ctx->insn->opcode, attrib)) { 454 ctx_log_pred_read(ctx, pnum); 455 } 456 } 457 458 static void mark_implicit_pred_reads(DisasContext *ctx) 459 { 460 mark_implicit_pred_read(ctx, A_IMPLICIT_READS_P0, 0); 461 mark_implicit_pred_read(ctx, A_IMPLICIT_READS_P1, 1); 462 mark_implicit_pred_read(ctx, A_IMPLICIT_READS_P3, 2); 463 mark_implicit_pred_read(ctx, A_IMPLICIT_READS_P3, 3); 464 } 465 466 static void analyze_packet(DisasContext *ctx) 467 { 468 Packet *pkt = ctx->pkt; 469 ctx->has_hvx_helper = false; 470 for (int i = 0; i < pkt->num_insns; i++) { 471 Insn *insn = &pkt->insn[i]; 472 ctx->insn = insn; 473 if (opcode_analyze[insn->opcode]) { 474 opcode_analyze[insn->opcode](ctx); 475 } 476 mark_implicit_reg_writes(ctx); 477 mark_implicit_pred_writes(ctx); 478 mark_implicit_pred_reads(ctx); 479 } 480 481 ctx->need_commit = need_commit(ctx); 482 } 483 484 static void gen_start_packet(DisasContext *ctx) 485 { 486 Packet *pkt = ctx->pkt; 487 target_ulong next_PC = ctx->base.pc_next + pkt->encod_pkt_size_in_bytes; 488 int i; 489 490 /* Clear out the disassembly context */ 491 ctx->next_PC = next_PC; 492 ctx->reg_log_idx = 0; 493 bitmap_zero(ctx->regs_written, TOTAL_PER_THREAD_REGS); 494 bitmap_zero(ctx->regs_read, TOTAL_PER_THREAD_REGS); 495 bitmap_zero(ctx->predicated_regs, TOTAL_PER_THREAD_REGS); 496 ctx->preg_log_idx = 0; 497 bitmap_zero(ctx->pregs_written, NUM_PREGS); 498 bitmap_zero(ctx->pregs_read, NUM_PREGS); 499 ctx->future_vregs_idx = 0; 500 ctx->tmp_vregs_idx = 0; 501 ctx->vreg_log_idx = 0; 502 bitmap_zero(ctx->vregs_updated_tmp, NUM_VREGS); 503 bitmap_zero(ctx->vregs_updated, NUM_VREGS); 504 bitmap_zero(ctx->vregs_select, NUM_VREGS); 505 bitmap_zero(ctx->predicated_future_vregs, NUM_VREGS); 506 bitmap_zero(ctx->predicated_tmp_vregs, NUM_VREGS); 507 bitmap_zero(ctx->vregs_read, NUM_VREGS); 508 bitmap_zero(ctx->qregs_read, NUM_QREGS); 509 ctx->qreg_log_idx = 0; 510 for (i = 0; i < STORES_MAX; i++) { 511 ctx->store_width[i] = 0; 512 } 513 ctx->s1_store_processed = false; 514 ctx->pre_commit = true; 515 for (i = 0; i < TOTAL_PER_THREAD_REGS; i++) { 516 ctx->new_value[i] = NULL; 517 } 518 for (i = 0; i < NUM_PREGS; i++) { 519 ctx->new_pred_value[i] = NULL; 520 } 521 522 analyze_packet(ctx); 523 524 /* 525 * pregs_written is used both in the analyze phase as well as the code 526 * gen phase, so clear it again. 527 */ 528 bitmap_zero(ctx->pregs_written, NUM_PREGS); 529 530 if (HEX_DEBUG) { 531 /* Handy place to set a breakpoint before the packet executes */ 532 gen_helper_debug_start_packet(tcg_env); 533 } 534 535 /* Initialize the runtime state for packet semantics */ 536 if (need_slot_cancelled(pkt)) { 537 tcg_gen_movi_tl(hex_slot_cancelled, 0); 538 } 539 ctx->branch_taken = NULL; 540 if (pkt->pkt_has_cof) { 541 ctx->branch_taken = tcg_temp_new(); 542 if (pkt->pkt_has_multi_cof) { 543 tcg_gen_movi_tl(ctx->branch_taken, 0); 544 } 545 if (need_next_PC(ctx)) { 546 tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], next_PC); 547 } 548 } 549 if (HEX_DEBUG) { 550 ctx->pred_written = tcg_temp_new(); 551 tcg_gen_movi_tl(ctx->pred_written, 0); 552 } 553 554 /* Preload the predicated registers into get_result_gpr(ctx, i) */ 555 if (ctx->need_commit && 556 !bitmap_empty(ctx->predicated_regs, TOTAL_PER_THREAD_REGS)) { 557 i = find_first_bit(ctx->predicated_regs, TOTAL_PER_THREAD_REGS); 558 while (i < TOTAL_PER_THREAD_REGS) { 559 tcg_gen_mov_tl(get_result_gpr(ctx, i), hex_gpr[i]); 560 i = find_next_bit(ctx->predicated_regs, TOTAL_PER_THREAD_REGS, 561 i + 1); 562 } 563 } 564 565 /* 566 * Preload the predicated pred registers into ctx->new_pred_value[pred_num] 567 * Only endloop instructions conditionally write to pred registers 568 */ 569 if (ctx->need_commit && pkt->pkt_has_endloop) { 570 for (i = 0; i < ctx->preg_log_idx; i++) { 571 int pred_num = ctx->preg_log[i]; 572 ctx->new_pred_value[pred_num] = tcg_temp_new(); 573 tcg_gen_mov_tl(ctx->new_pred_value[pred_num], hex_pred[pred_num]); 574 } 575 } 576 577 /* Preload the predicated HVX registers into future_VRegs and tmp_VRegs */ 578 if (!bitmap_empty(ctx->predicated_future_vregs, NUM_VREGS)) { 579 i = find_first_bit(ctx->predicated_future_vregs, NUM_VREGS); 580 while (i < NUM_VREGS) { 581 const intptr_t VdV_off = 582 ctx_future_vreg_off(ctx, i, 1, true); 583 intptr_t src_off = offsetof(CPUHexagonState, VRegs[i]); 584 tcg_gen_gvec_mov(MO_64, VdV_off, 585 src_off, 586 sizeof(MMVector), 587 sizeof(MMVector)); 588 i = find_next_bit(ctx->predicated_future_vregs, NUM_VREGS, i + 1); 589 } 590 } 591 if (!bitmap_empty(ctx->predicated_tmp_vregs, NUM_VREGS)) { 592 i = find_first_bit(ctx->predicated_tmp_vregs, NUM_VREGS); 593 while (i < NUM_VREGS) { 594 const intptr_t VdV_off = 595 ctx_tmp_vreg_off(ctx, i, 1, true); 596 intptr_t src_off = offsetof(CPUHexagonState, VRegs[i]); 597 tcg_gen_gvec_mov(MO_64, VdV_off, 598 src_off, 599 sizeof(MMVector), 600 sizeof(MMVector)); 601 i = find_next_bit(ctx->predicated_tmp_vregs, NUM_VREGS, i + 1); 602 } 603 } 604 } 605 606 bool is_gather_store_insn(DisasContext *ctx) 607 { 608 Packet *pkt = ctx->pkt; 609 Insn *insn = ctx->insn; 610 if (GET_ATTRIB(insn->opcode, A_CVI_NEW) && 611 insn->new_value_producer_slot == 1) { 612 /* Look for gather instruction */ 613 for (int i = 0; i < pkt->num_insns; i++) { 614 Insn *in = &pkt->insn[i]; 615 if (GET_ATTRIB(in->opcode, A_CVI_GATHER) && in->slot == 1) { 616 return true; 617 } 618 } 619 } 620 return false; 621 } 622 623 static void mark_store_width(DisasContext *ctx) 624 { 625 uint16_t opcode = ctx->insn->opcode; 626 uint32_t slot = ctx->insn->slot; 627 uint8_t width = 0; 628 629 if (GET_ATTRIB(opcode, A_SCALAR_STORE)) { 630 if (GET_ATTRIB(opcode, A_MEMSIZE_0B)) { 631 return; 632 } 633 if (GET_ATTRIB(opcode, A_MEMSIZE_1B)) { 634 width |= 1; 635 } 636 if (GET_ATTRIB(opcode, A_MEMSIZE_2B)) { 637 width |= 2; 638 } 639 if (GET_ATTRIB(opcode, A_MEMSIZE_4B)) { 640 width |= 4; 641 } 642 if (GET_ATTRIB(opcode, A_MEMSIZE_8B)) { 643 width |= 8; 644 } 645 tcg_debug_assert(is_power_of_2(width)); 646 ctx->store_width[slot] = width; 647 } 648 } 649 650 static void gen_insn(DisasContext *ctx) 651 { 652 if (ctx->insn->generate) { 653 ctx->insn->generate(ctx); 654 mark_store_width(ctx); 655 } else { 656 gen_exception_end_tb(ctx, HEX_EXCP_INVALID_OPCODE); 657 } 658 } 659 660 /* 661 * Helpers for generating the packet commit 662 */ 663 static void gen_reg_writes(DisasContext *ctx) 664 { 665 int i; 666 667 /* Early exit if not needed */ 668 if (!ctx->need_commit) { 669 return; 670 } 671 672 for (i = 0; i < ctx->reg_log_idx; i++) { 673 int reg_num = ctx->reg_log[i]; 674 675 tcg_gen_mov_tl(hex_gpr[reg_num], get_result_gpr(ctx, reg_num)); 676 677 /* 678 * ctx->is_tight_loop is set when SA0 points to the beginning of the TB. 679 * If we write to SA0, we have to turn off tight loop handling. 680 */ 681 if (reg_num == HEX_REG_SA0) { 682 ctx->is_tight_loop = false; 683 } 684 } 685 } 686 687 static void gen_pred_writes(DisasContext *ctx) 688 { 689 /* Early exit if not needed or the log is empty */ 690 if (!ctx->need_commit || !ctx->preg_log_idx) { 691 return; 692 } 693 694 for (int i = 0; i < ctx->preg_log_idx; i++) { 695 int pred_num = ctx->preg_log[i]; 696 tcg_gen_mov_tl(hex_pred[pred_num], ctx->new_pred_value[pred_num]); 697 } 698 } 699 700 static void gen_check_store_width(DisasContext *ctx, int slot_num) 701 { 702 if (HEX_DEBUG) { 703 TCGv slot = tcg_constant_tl(slot_num); 704 TCGv check = tcg_constant_tl(ctx->store_width[slot_num]); 705 gen_helper_debug_check_store_width(tcg_env, slot, check); 706 } 707 } 708 709 static bool slot_is_predicated(Packet *pkt, int slot_num) 710 { 711 for (int i = 0; i < pkt->num_insns; i++) { 712 if (pkt->insn[i].slot == slot_num) { 713 return GET_ATTRIB(pkt->insn[i].opcode, A_CONDEXEC); 714 } 715 } 716 /* If we get to here, we didn't find an instruction in the requested slot */ 717 g_assert_not_reached(); 718 } 719 720 void process_store(DisasContext *ctx, int slot_num) 721 { 722 bool is_predicated = slot_is_predicated(ctx->pkt, slot_num); 723 TCGLabel *label_end = NULL; 724 725 /* 726 * We may have already processed this store 727 * See CHECK_NOSHUF in macros.h 728 */ 729 if (slot_num == 1 && ctx->s1_store_processed) { 730 return; 731 } 732 ctx->s1_store_processed = true; 733 734 if (is_predicated) { 735 TCGv cancelled = tcg_temp_new(); 736 label_end = gen_new_label(); 737 738 /* Don't do anything if the slot was cancelled */ 739 tcg_gen_extract_tl(cancelled, hex_slot_cancelled, slot_num, 1); 740 tcg_gen_brcondi_tl(TCG_COND_NE, cancelled, 0, label_end); 741 } 742 { 743 TCGv address = tcg_temp_new(); 744 tcg_gen_mov_tl(address, hex_store_addr[slot_num]); 745 746 /* 747 * If we know the width from the DisasContext, we can 748 * generate much cleaner code. 749 * Unfortunately, not all instructions execute the fSTORE 750 * macro during code generation. Anything that uses the 751 * generic helper will have this problem. Instructions 752 * that use fWRAP to generate proper TCG code will be OK. 753 */ 754 switch (ctx->store_width[slot_num]) { 755 case 1: 756 gen_check_store_width(ctx, slot_num); 757 tcg_gen_qemu_st_tl(hex_store_val32[slot_num], 758 hex_store_addr[slot_num], 759 ctx->mem_idx, MO_UB); 760 break; 761 case 2: 762 gen_check_store_width(ctx, slot_num); 763 tcg_gen_qemu_st_tl(hex_store_val32[slot_num], 764 hex_store_addr[slot_num], 765 ctx->mem_idx, MO_TEUW); 766 break; 767 case 4: 768 gen_check_store_width(ctx, slot_num); 769 tcg_gen_qemu_st_tl(hex_store_val32[slot_num], 770 hex_store_addr[slot_num], 771 ctx->mem_idx, MO_TEUL); 772 break; 773 case 8: 774 gen_check_store_width(ctx, slot_num); 775 tcg_gen_qemu_st_i64(hex_store_val64[slot_num], 776 hex_store_addr[slot_num], 777 ctx->mem_idx, MO_TEUQ); 778 break; 779 default: 780 { 781 /* 782 * If we get to here, we don't know the width at 783 * TCG generation time, we'll use a helper to 784 * avoid branching based on the width at runtime. 785 */ 786 TCGv slot = tcg_constant_tl(slot_num); 787 gen_helper_commit_store(tcg_env, slot); 788 } 789 } 790 } 791 if (is_predicated) { 792 gen_set_label(label_end); 793 } 794 } 795 796 static void process_store_log(DisasContext *ctx) 797 { 798 /* 799 * When a packet has two stores, the hardware processes 800 * slot 1 and then slot 0. This will be important when 801 * the memory accesses overlap. 802 */ 803 Packet *pkt = ctx->pkt; 804 if (pkt->pkt_has_store_s1) { 805 g_assert(!pkt->pkt_has_dczeroa); 806 process_store(ctx, 1); 807 } 808 if (pkt->pkt_has_store_s0) { 809 g_assert(!pkt->pkt_has_dczeroa); 810 process_store(ctx, 0); 811 } 812 } 813 814 /* Zero out a 32-bit cache line */ 815 static void process_dczeroa(DisasContext *ctx) 816 { 817 if (ctx->pkt->pkt_has_dczeroa) { 818 /* Store 32 bytes of zero starting at (addr & ~0x1f) */ 819 TCGv addr = tcg_temp_new(); 820 TCGv_i64 zero = tcg_constant_i64(0); 821 822 tcg_gen_andi_tl(addr, ctx->dczero_addr, ~0x1f); 823 tcg_gen_qemu_st_i64(zero, addr, ctx->mem_idx, MO_UQ); 824 tcg_gen_addi_tl(addr, addr, 8); 825 tcg_gen_qemu_st_i64(zero, addr, ctx->mem_idx, MO_UQ); 826 tcg_gen_addi_tl(addr, addr, 8); 827 tcg_gen_qemu_st_i64(zero, addr, ctx->mem_idx, MO_UQ); 828 tcg_gen_addi_tl(addr, addr, 8); 829 tcg_gen_qemu_st_i64(zero, addr, ctx->mem_idx, MO_UQ); 830 } 831 } 832 833 static bool pkt_has_hvx_store(Packet *pkt) 834 { 835 int i; 836 for (i = 0; i < pkt->num_insns; i++) { 837 int opcode = pkt->insn[i].opcode; 838 if (GET_ATTRIB(opcode, A_CVI) && GET_ATTRIB(opcode, A_STORE)) { 839 return true; 840 } 841 } 842 return false; 843 } 844 845 static void gen_commit_hvx(DisasContext *ctx) 846 { 847 int i; 848 849 /* Early exit if not needed */ 850 if (!ctx->need_commit) { 851 g_assert(!pkt_has_hvx_store(ctx->pkt)); 852 return; 853 } 854 855 /* 856 * for (i = 0; i < ctx->vreg_log_idx; i++) { 857 * int rnum = ctx->vreg_log[i]; 858 * env->VRegs[rnum] = env->future_VRegs[rnum]; 859 * } 860 */ 861 for (i = 0; i < ctx->vreg_log_idx; i++) { 862 int rnum = ctx->vreg_log[i]; 863 intptr_t dstoff = offsetof(CPUHexagonState, VRegs[rnum]); 864 intptr_t srcoff = ctx_future_vreg_off(ctx, rnum, 1, false); 865 size_t size = sizeof(MMVector); 866 867 tcg_gen_gvec_mov(MO_64, dstoff, srcoff, size, size); 868 } 869 870 /* 871 * for (i = 0; i < ctx->qreg_log_idx; i++) { 872 * int rnum = ctx->qreg_log[i]; 873 * env->QRegs[rnum] = env->future_QRegs[rnum]; 874 * } 875 */ 876 for (i = 0; i < ctx->qreg_log_idx; i++) { 877 int rnum = ctx->qreg_log[i]; 878 intptr_t dstoff = offsetof(CPUHexagonState, QRegs[rnum]); 879 intptr_t srcoff = offsetof(CPUHexagonState, future_QRegs[rnum]); 880 size_t size = sizeof(MMQReg); 881 882 tcg_gen_gvec_mov(MO_64, dstoff, srcoff, size, size); 883 } 884 885 if (pkt_has_hvx_store(ctx->pkt)) { 886 gen_helper_commit_hvx_stores(tcg_env); 887 } 888 } 889 890 static void update_exec_counters(DisasContext *ctx) 891 { 892 Packet *pkt = ctx->pkt; 893 int num_insns = pkt->num_insns; 894 int num_real_insns = 0; 895 int num_hvx_insns = 0; 896 897 for (int i = 0; i < num_insns; i++) { 898 if (!pkt->insn[i].is_endloop && 899 !pkt->insn[i].part1 && 900 !GET_ATTRIB(pkt->insn[i].opcode, A_IT_NOP)) { 901 num_real_insns++; 902 } 903 if (GET_ATTRIB(pkt->insn[i].opcode, A_CVI)) { 904 num_hvx_insns++; 905 } 906 } 907 908 ctx->num_packets++; 909 ctx->num_insns += num_real_insns; 910 ctx->num_hvx_insns += num_hvx_insns; 911 } 912 913 static void gen_commit_packet(DisasContext *ctx) 914 { 915 /* 916 * If there is more than one store in a packet, make sure they are all OK 917 * before proceeding with the rest of the packet commit. 918 * 919 * dczeroa has to be the only store operation in the packet, so we go 920 * ahead and process that first. 921 * 922 * When there is an HVX store, there can also be a scalar store in either 923 * slot 0 or slot1, so we create a mask for the helper to indicate what 924 * work to do. 925 * 926 * When there are two scalar stores, we probe the one in slot 0. 927 * 928 * Note that we don't call the probe helper for packets with only one 929 * store. Therefore, we call process_store_log before anything else 930 * involved in committing the packet. 931 */ 932 Packet *pkt = ctx->pkt; 933 bool has_store_s0 = pkt->pkt_has_store_s0; 934 bool has_store_s1 = (pkt->pkt_has_store_s1 && !ctx->s1_store_processed); 935 bool has_hvx_store = pkt_has_hvx_store(pkt); 936 if (pkt->pkt_has_dczeroa) { 937 /* 938 * The dczeroa will be the store in slot 0, check that we don't have 939 * a store in slot 1 or an HVX store. 940 */ 941 g_assert(!has_store_s1 && !has_hvx_store); 942 process_dczeroa(ctx); 943 } else if (has_hvx_store) { 944 if (!has_store_s0 && !has_store_s1) { 945 TCGv mem_idx = tcg_constant_tl(ctx->mem_idx); 946 gen_helper_probe_hvx_stores(tcg_env, mem_idx); 947 } else { 948 int mask = 0; 949 950 if (has_store_s0) { 951 mask = 952 FIELD_DP32(mask, PROBE_PKT_SCALAR_HVX_STORES, HAS_ST0, 1); 953 } 954 if (has_store_s1) { 955 mask = 956 FIELD_DP32(mask, PROBE_PKT_SCALAR_HVX_STORES, HAS_ST1, 1); 957 } 958 if (has_hvx_store) { 959 mask = 960 FIELD_DP32(mask, PROBE_PKT_SCALAR_HVX_STORES, 961 HAS_HVX_STORES, 1); 962 } 963 if (has_store_s0 && slot_is_predicated(pkt, 0)) { 964 mask = 965 FIELD_DP32(mask, PROBE_PKT_SCALAR_HVX_STORES, 966 S0_IS_PRED, 1); 967 } 968 if (has_store_s1 && slot_is_predicated(pkt, 1)) { 969 mask = 970 FIELD_DP32(mask, PROBE_PKT_SCALAR_HVX_STORES, 971 S1_IS_PRED, 1); 972 } 973 mask = FIELD_DP32(mask, PROBE_PKT_SCALAR_HVX_STORES, MMU_IDX, 974 ctx->mem_idx); 975 gen_helper_probe_pkt_scalar_hvx_stores(tcg_env, 976 tcg_constant_tl(mask)); 977 } 978 } else if (has_store_s0 && has_store_s1) { 979 /* 980 * process_store_log will execute the slot 1 store first, 981 * so we only have to probe the store in slot 0 982 */ 983 int args = 0; 984 args = 985 FIELD_DP32(args, PROBE_PKT_SCALAR_STORE_S0, MMU_IDX, ctx->mem_idx); 986 if (slot_is_predicated(pkt, 0)) { 987 args = 988 FIELD_DP32(args, PROBE_PKT_SCALAR_STORE_S0, IS_PREDICATED, 1); 989 } 990 TCGv args_tcgv = tcg_constant_tl(args); 991 gen_helper_probe_pkt_scalar_store_s0(tcg_env, args_tcgv); 992 } 993 994 process_store_log(ctx); 995 996 gen_reg_writes(ctx); 997 gen_pred_writes(ctx); 998 if (pkt->pkt_has_hvx) { 999 gen_commit_hvx(ctx); 1000 } 1001 update_exec_counters(ctx); 1002 if (HEX_DEBUG) { 1003 TCGv has_st0 = 1004 tcg_constant_tl(pkt->pkt_has_store_s0 && !pkt->pkt_has_dczeroa); 1005 TCGv has_st1 = 1006 tcg_constant_tl(pkt->pkt_has_store_s1 && !pkt->pkt_has_dczeroa); 1007 1008 /* Handy place to set a breakpoint at the end of execution */ 1009 gen_helper_debug_commit_end(tcg_env, tcg_constant_tl(ctx->pkt->pc), 1010 ctx->pred_written, has_st0, has_st1); 1011 } 1012 1013 if (pkt->vhist_insn != NULL) { 1014 ctx->pre_commit = false; 1015 ctx->insn = pkt->vhist_insn; 1016 pkt->vhist_insn->generate(ctx); 1017 } 1018 1019 if (pkt->pkt_has_cof) { 1020 gen_end_tb(ctx); 1021 } 1022 } 1023 1024 static void decode_and_translate_packet(CPUHexagonState *env, DisasContext *ctx) 1025 { 1026 uint32_t words[PACKET_WORDS_MAX]; 1027 int nwords; 1028 Packet pkt; 1029 int i; 1030 1031 nwords = read_packet_words(env, ctx, words); 1032 if (!nwords) { 1033 gen_exception_end_tb(ctx, HEX_EXCP_INVALID_PACKET); 1034 return; 1035 } 1036 1037 ctx->pkt = &pkt; 1038 if (decode_packet(ctx, nwords, words, &pkt, false) > 0) { 1039 pkt.pc = ctx->base.pc_next; 1040 HEX_DEBUG_PRINT_PKT(&pkt); 1041 gen_start_packet(ctx); 1042 for (i = 0; i < pkt.num_insns; i++) { 1043 ctx->insn = &pkt.insn[i]; 1044 gen_insn(ctx); 1045 } 1046 gen_commit_packet(ctx); 1047 ctx->base.pc_next += pkt.encod_pkt_size_in_bytes; 1048 } else { 1049 gen_exception_end_tb(ctx, HEX_EXCP_INVALID_PACKET); 1050 } 1051 } 1052 1053 static void hexagon_tr_init_disas_context(DisasContextBase *dcbase, 1054 CPUState *cs) 1055 { 1056 DisasContext *ctx = container_of(dcbase, DisasContext, base); 1057 HexagonCPU *hex_cpu = env_archcpu(cpu_env(cs)); 1058 uint32_t hex_flags = dcbase->tb->flags; 1059 1060 ctx->mem_idx = MMU_USER_IDX; 1061 ctx->num_packets = 0; 1062 ctx->num_insns = 0; 1063 ctx->num_hvx_insns = 0; 1064 ctx->branch_cond = TCG_COND_NEVER; 1065 ctx->is_tight_loop = FIELD_EX32(hex_flags, TB_FLAGS, IS_TIGHT_LOOP); 1066 ctx->short_circuit = hex_cpu->short_circuit; 1067 } 1068 1069 static void hexagon_tr_tb_start(DisasContextBase *db, CPUState *cpu) 1070 { 1071 } 1072 1073 static void hexagon_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu) 1074 { 1075 DisasContext *ctx = container_of(dcbase, DisasContext, base); 1076 1077 tcg_gen_insn_start(ctx->base.pc_next); 1078 } 1079 1080 static bool pkt_crosses_page(CPUHexagonState *env, DisasContext *ctx) 1081 { 1082 target_ulong page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 1083 bool found_end = false; 1084 int nwords; 1085 1086 for (nwords = 0; !found_end && nwords < PACKET_WORDS_MAX; nwords++) { 1087 uint32_t word = cpu_ldl_code(env, 1088 ctx->base.pc_next + nwords * sizeof(uint32_t)); 1089 found_end = is_packet_end(word); 1090 } 1091 uint32_t next_ptr = ctx->base.pc_next + nwords * sizeof(uint32_t); 1092 return found_end && next_ptr - page_start >= TARGET_PAGE_SIZE; 1093 } 1094 1095 static void hexagon_tr_translate_packet(DisasContextBase *dcbase, CPUState *cpu) 1096 { 1097 DisasContext *ctx = container_of(dcbase, DisasContext, base); 1098 CPUHexagonState *env = cpu_env(cpu); 1099 1100 decode_and_translate_packet(env, ctx); 1101 1102 if (ctx->base.is_jmp == DISAS_NEXT) { 1103 target_ulong page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 1104 target_ulong bytes_max = PACKET_WORDS_MAX * sizeof(target_ulong); 1105 1106 if (ctx->base.pc_next - page_start >= TARGET_PAGE_SIZE || 1107 (ctx->base.pc_next - page_start >= TARGET_PAGE_SIZE - bytes_max && 1108 pkt_crosses_page(env, ctx))) { 1109 ctx->base.is_jmp = DISAS_TOO_MANY; 1110 } 1111 1112 /* 1113 * The CPU log is used to compare against LLDB single stepping, 1114 * so end the TLB after every packet. 1115 */ 1116 HexagonCPU *hex_cpu = env_archcpu(env); 1117 if (hex_cpu->lldb_compat && qemu_loglevel_mask(CPU_LOG_TB_CPU)) { 1118 ctx->base.is_jmp = DISAS_TOO_MANY; 1119 } 1120 } 1121 } 1122 1123 static void hexagon_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu) 1124 { 1125 DisasContext *ctx = container_of(dcbase, DisasContext, base); 1126 1127 switch (ctx->base.is_jmp) { 1128 case DISAS_TOO_MANY: 1129 gen_exec_counters(ctx); 1130 tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], ctx->base.pc_next); 1131 tcg_gen_exit_tb(NULL, 0); 1132 break; 1133 case DISAS_NORETURN: 1134 break; 1135 default: 1136 g_assert_not_reached(); 1137 } 1138 } 1139 1140 static void hexagon_tr_disas_log(const DisasContextBase *dcbase, 1141 CPUState *cpu, FILE *logfile) 1142 { 1143 fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first)); 1144 target_disas(logfile, cpu, dcbase->pc_first, dcbase->tb->size); 1145 } 1146 1147 1148 static const TranslatorOps hexagon_tr_ops = { 1149 .init_disas_context = hexagon_tr_init_disas_context, 1150 .tb_start = hexagon_tr_tb_start, 1151 .insn_start = hexagon_tr_insn_start, 1152 .translate_insn = hexagon_tr_translate_packet, 1153 .tb_stop = hexagon_tr_tb_stop, 1154 .disas_log = hexagon_tr_disas_log, 1155 }; 1156 1157 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns, 1158 vaddr pc, void *host_pc) 1159 { 1160 DisasContext ctx; 1161 1162 translator_loop(cs, tb, max_insns, pc, host_pc, 1163 &hexagon_tr_ops, &ctx.base); 1164 } 1165 1166 #define NAME_LEN 64 1167 static char reg_written_names[TOTAL_PER_THREAD_REGS][NAME_LEN]; 1168 static char store_addr_names[STORES_MAX][NAME_LEN]; 1169 static char store_width_names[STORES_MAX][NAME_LEN]; 1170 static char store_val32_names[STORES_MAX][NAME_LEN]; 1171 static char store_val64_names[STORES_MAX][NAME_LEN]; 1172 static char vstore_addr_names[VSTORES_MAX][NAME_LEN]; 1173 static char vstore_size_names[VSTORES_MAX][NAME_LEN]; 1174 static char vstore_pending_names[VSTORES_MAX][NAME_LEN]; 1175 1176 void hexagon_translate_init(void) 1177 { 1178 int i; 1179 1180 opcode_init(); 1181 1182 for (i = 0; i < TOTAL_PER_THREAD_REGS; i++) { 1183 hex_gpr[i] = tcg_global_mem_new(tcg_env, 1184 offsetof(CPUHexagonState, gpr[i]), 1185 hexagon_regnames[i]); 1186 1187 if (HEX_DEBUG) { 1188 snprintf(reg_written_names[i], NAME_LEN, "reg_written_%s", 1189 hexagon_regnames[i]); 1190 hex_reg_written[i] = tcg_global_mem_new(tcg_env, 1191 offsetof(CPUHexagonState, reg_written[i]), 1192 reg_written_names[i]); 1193 } 1194 } 1195 hex_new_value_usr = tcg_global_mem_new(tcg_env, 1196 offsetof(CPUHexagonState, new_value_usr), "new_value_usr"); 1197 1198 for (i = 0; i < NUM_PREGS; i++) { 1199 hex_pred[i] = tcg_global_mem_new(tcg_env, 1200 offsetof(CPUHexagonState, pred[i]), 1201 hexagon_prednames[i]); 1202 } 1203 hex_slot_cancelled = tcg_global_mem_new(tcg_env, 1204 offsetof(CPUHexagonState, slot_cancelled), "slot_cancelled"); 1205 hex_llsc_addr = tcg_global_mem_new(tcg_env, 1206 offsetof(CPUHexagonState, llsc_addr), "llsc_addr"); 1207 hex_llsc_val = tcg_global_mem_new(tcg_env, 1208 offsetof(CPUHexagonState, llsc_val), "llsc_val"); 1209 hex_llsc_val_i64 = tcg_global_mem_new_i64(tcg_env, 1210 offsetof(CPUHexagonState, llsc_val_i64), "llsc_val_i64"); 1211 for (i = 0; i < STORES_MAX; i++) { 1212 snprintf(store_addr_names[i], NAME_LEN, "store_addr_%d", i); 1213 hex_store_addr[i] = tcg_global_mem_new(tcg_env, 1214 offsetof(CPUHexagonState, mem_log_stores[i].va), 1215 store_addr_names[i]); 1216 1217 snprintf(store_width_names[i], NAME_LEN, "store_width_%d", i); 1218 hex_store_width[i] = tcg_global_mem_new(tcg_env, 1219 offsetof(CPUHexagonState, mem_log_stores[i].width), 1220 store_width_names[i]); 1221 1222 snprintf(store_val32_names[i], NAME_LEN, "store_val32_%d", i); 1223 hex_store_val32[i] = tcg_global_mem_new(tcg_env, 1224 offsetof(CPUHexagonState, mem_log_stores[i].data32), 1225 store_val32_names[i]); 1226 1227 snprintf(store_val64_names[i], NAME_LEN, "store_val64_%d", i); 1228 hex_store_val64[i] = tcg_global_mem_new_i64(tcg_env, 1229 offsetof(CPUHexagonState, mem_log_stores[i].data64), 1230 store_val64_names[i]); 1231 } 1232 for (i = 0; i < VSTORES_MAX; i++) { 1233 snprintf(vstore_addr_names[i], NAME_LEN, "vstore_addr_%d", i); 1234 hex_vstore_addr[i] = tcg_global_mem_new(tcg_env, 1235 offsetof(CPUHexagonState, vstore[i].va), 1236 vstore_addr_names[i]); 1237 1238 snprintf(vstore_size_names[i], NAME_LEN, "vstore_size_%d", i); 1239 hex_vstore_size[i] = tcg_global_mem_new(tcg_env, 1240 offsetof(CPUHexagonState, vstore[i].size), 1241 vstore_size_names[i]); 1242 1243 snprintf(vstore_pending_names[i], NAME_LEN, "vstore_pending_%d", i); 1244 hex_vstore_pending[i] = tcg_global_mem_new(tcg_env, 1245 offsetof(CPUHexagonState, vstore_pending[i]), 1246 vstore_pending_names[i]); 1247 } 1248 } 1249