18b453a2bSTaylor Simpson /* 28b453a2bSTaylor Simpson * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. 38b453a2bSTaylor Simpson * 48b453a2bSTaylor Simpson * This program is free software; you can redistribute it and/or modify 58b453a2bSTaylor Simpson * it under the terms of the GNU General Public License as published by 68b453a2bSTaylor Simpson * the Free Software Foundation; either version 2 of the License, or 78b453a2bSTaylor Simpson * (at your option) any later version. 88b453a2bSTaylor Simpson * 98b453a2bSTaylor Simpson * This program is distributed in the hope that it will be useful, 108b453a2bSTaylor Simpson * but WITHOUT ANY WARRANTY; without even the implied warranty of 118b453a2bSTaylor Simpson * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 128b453a2bSTaylor Simpson * GNU General Public License for more details. 138b453a2bSTaylor Simpson * 148b453a2bSTaylor Simpson * You should have received a copy of the GNU General Public License 158b453a2bSTaylor Simpson * along with this program; if not, see <http://www.gnu.org/licenses/>. 168b453a2bSTaylor Simpson */ 178b453a2bSTaylor Simpson 188b453a2bSTaylor Simpson #define QEMU_GENERATE 198b453a2bSTaylor Simpson #include "qemu/osdep.h" 208b453a2bSTaylor Simpson #include "cpu.h" 218b453a2bSTaylor Simpson #include "tcg/tcg-op.h" 228b453a2bSTaylor Simpson #include "exec/cpu_ldst.h" 238b453a2bSTaylor Simpson #include "exec/log.h" 248b453a2bSTaylor Simpson #include "internal.h" 258b453a2bSTaylor Simpson #include "attribs.h" 268b453a2bSTaylor Simpson #include "insn.h" 278b453a2bSTaylor Simpson #include "decode.h" 288b453a2bSTaylor Simpson #include "translate.h" 298b453a2bSTaylor Simpson #include "printinsn.h" 308b453a2bSTaylor Simpson 318b453a2bSTaylor Simpson TCGv hex_gpr[TOTAL_PER_THREAD_REGS]; 328b453a2bSTaylor Simpson TCGv hex_pred[NUM_PREGS]; 338b453a2bSTaylor Simpson TCGv hex_next_PC; 348b453a2bSTaylor Simpson TCGv hex_this_PC; 358b453a2bSTaylor Simpson TCGv hex_slot_cancelled; 368b453a2bSTaylor Simpson TCGv hex_branch_taken; 378b453a2bSTaylor Simpson TCGv hex_new_value[TOTAL_PER_THREAD_REGS]; 388b453a2bSTaylor Simpson TCGv hex_reg_written[TOTAL_PER_THREAD_REGS]; 398b453a2bSTaylor Simpson TCGv hex_new_pred_value[NUM_PREGS]; 408b453a2bSTaylor Simpson TCGv hex_pred_written; 418b453a2bSTaylor Simpson TCGv hex_store_addr[STORES_MAX]; 428b453a2bSTaylor Simpson TCGv hex_store_width[STORES_MAX]; 438b453a2bSTaylor Simpson TCGv hex_store_val32[STORES_MAX]; 448b453a2bSTaylor Simpson TCGv_i64 hex_store_val64[STORES_MAX]; 458b453a2bSTaylor Simpson TCGv hex_pkt_has_store_s1; 468b453a2bSTaylor Simpson TCGv hex_dczero_addr; 478b453a2bSTaylor Simpson TCGv hex_llsc_addr; 488b453a2bSTaylor Simpson TCGv hex_llsc_val; 498b453a2bSTaylor Simpson TCGv_i64 hex_llsc_val_i64; 508b453a2bSTaylor Simpson 518b453a2bSTaylor Simpson static const char * const hexagon_prednames[] = { 528b453a2bSTaylor Simpson "p0", "p1", "p2", "p3" 538b453a2bSTaylor Simpson }; 548b453a2bSTaylor Simpson 55743debbcSTaylor Simpson static void gen_exception_raw(int excp) 568b453a2bSTaylor Simpson { 5723803bbeSPhilippe Mathieu-Daudé gen_helper_raise_exception(cpu_env, tcg_constant_i32(excp)); 588b453a2bSTaylor Simpson } 598b453a2bSTaylor Simpson 60743debbcSTaylor Simpson static void gen_exec_counters(DisasContext *ctx) 618b453a2bSTaylor Simpson { 62743debbcSTaylor Simpson tcg_gen_addi_tl(hex_gpr[HEX_REG_QEMU_PKT_CNT], 63743debbcSTaylor Simpson hex_gpr[HEX_REG_QEMU_PKT_CNT], ctx->num_packets); 64743debbcSTaylor Simpson tcg_gen_addi_tl(hex_gpr[HEX_REG_QEMU_INSN_CNT], 65743debbcSTaylor Simpson hex_gpr[HEX_REG_QEMU_INSN_CNT], ctx->num_insns); 66743debbcSTaylor Simpson } 67743debbcSTaylor Simpson 68743debbcSTaylor Simpson static void gen_end_tb(DisasContext *ctx) 69743debbcSTaylor Simpson { 70743debbcSTaylor Simpson gen_exec_counters(ctx); 71743debbcSTaylor Simpson tcg_gen_mov_tl(hex_gpr[HEX_REG_PC], hex_next_PC); 72743debbcSTaylor Simpson tcg_gen_exit_tb(NULL, 0); 73743debbcSTaylor Simpson ctx->base.is_jmp = DISAS_NORETURN; 74743debbcSTaylor Simpson } 75743debbcSTaylor Simpson 76743debbcSTaylor Simpson static void gen_exception_end_tb(DisasContext *ctx, int excp) 77743debbcSTaylor Simpson { 78743debbcSTaylor Simpson gen_exec_counters(ctx); 79743debbcSTaylor Simpson tcg_gen_mov_tl(hex_gpr[HEX_REG_PC], hex_next_PC); 80743debbcSTaylor Simpson gen_exception_raw(excp); 81743debbcSTaylor Simpson ctx->base.is_jmp = DISAS_NORETURN; 82743debbcSTaylor Simpson 838b453a2bSTaylor Simpson } 848b453a2bSTaylor Simpson 858b453a2bSTaylor Simpson #define PACKET_BUFFER_LEN 1028 868b453a2bSTaylor Simpson static void print_pkt(Packet *pkt) 878b453a2bSTaylor Simpson { 888b453a2bSTaylor Simpson GString *buf = g_string_sized_new(PACKET_BUFFER_LEN); 898b453a2bSTaylor Simpson snprint_a_pkt_debug(buf, pkt); 908b453a2bSTaylor Simpson HEX_DEBUG_LOG("%s", buf->str); 918b453a2bSTaylor Simpson g_string_free(buf, true); 928b453a2bSTaylor Simpson } 9385580a65STaylor Simpson #define HEX_DEBUG_PRINT_PKT(pkt) \ 9485580a65STaylor Simpson do { \ 9585580a65STaylor Simpson if (HEX_DEBUG) { \ 9685580a65STaylor Simpson print_pkt(pkt); \ 9785580a65STaylor Simpson } \ 9885580a65STaylor Simpson } while (0) 998b453a2bSTaylor Simpson 1008b453a2bSTaylor Simpson static int read_packet_words(CPUHexagonState *env, DisasContext *ctx, 1018b453a2bSTaylor Simpson uint32_t words[]) 1028b453a2bSTaylor Simpson { 1038b453a2bSTaylor Simpson bool found_end = false; 1048b453a2bSTaylor Simpson int nwords, max_words; 1058b453a2bSTaylor Simpson 1068b453a2bSTaylor Simpson memset(words, 0, PACKET_WORDS_MAX * sizeof(uint32_t)); 1078b453a2bSTaylor Simpson for (nwords = 0; !found_end && nwords < PACKET_WORDS_MAX; nwords++) { 108a27c100cSTaylor Simpson words[nwords] = 1094e116893SIlya Leoshkevich translator_ldl(env, &ctx->base, 1104e116893SIlya Leoshkevich ctx->base.pc_next + nwords * sizeof(uint32_t)); 1118b453a2bSTaylor Simpson found_end = is_packet_end(words[nwords]); 1128b453a2bSTaylor Simpson } 1138b453a2bSTaylor Simpson if (!found_end) { 1148b453a2bSTaylor Simpson /* Read too many words without finding the end */ 1158b453a2bSTaylor Simpson return 0; 1168b453a2bSTaylor Simpson } 1178b453a2bSTaylor Simpson 1188b453a2bSTaylor Simpson /* Check for page boundary crossing */ 1198b453a2bSTaylor Simpson max_words = -(ctx->base.pc_next | TARGET_PAGE_MASK) / sizeof(uint32_t); 1208b453a2bSTaylor Simpson if (nwords > max_words) { 1218b453a2bSTaylor Simpson /* We can only cross a page boundary at the beginning of a TB */ 1228b453a2bSTaylor Simpson g_assert(ctx->base.num_insns == 1); 1238b453a2bSTaylor Simpson } 1248b453a2bSTaylor Simpson 1258b453a2bSTaylor Simpson HEX_DEBUG_LOG("decode_packet: pc = 0x%x\n", ctx->base.pc_next); 1268b453a2bSTaylor Simpson HEX_DEBUG_LOG(" words = { "); 1278b453a2bSTaylor Simpson for (int i = 0; i < nwords; i++) { 1288b453a2bSTaylor Simpson HEX_DEBUG_LOG("0x%x, ", words[i]); 1298b453a2bSTaylor Simpson } 1308b453a2bSTaylor Simpson HEX_DEBUG_LOG("}\n"); 1318b453a2bSTaylor Simpson 1328b453a2bSTaylor Simpson return nwords; 1338b453a2bSTaylor Simpson } 1348b453a2bSTaylor Simpson 1358b453a2bSTaylor Simpson static bool check_for_attrib(Packet *pkt, int attrib) 1368b453a2bSTaylor Simpson { 1378b453a2bSTaylor Simpson for (int i = 0; i < pkt->num_insns; i++) { 1388b453a2bSTaylor Simpson if (GET_ATTRIB(pkt->insn[i].opcode, attrib)) { 1398b453a2bSTaylor Simpson return true; 1408b453a2bSTaylor Simpson } 1418b453a2bSTaylor Simpson } 1428b453a2bSTaylor Simpson return false; 1438b453a2bSTaylor Simpson } 1448b453a2bSTaylor Simpson 1458b453a2bSTaylor Simpson static bool need_pc(Packet *pkt) 1468b453a2bSTaylor Simpson { 1478b453a2bSTaylor Simpson return check_for_attrib(pkt, A_IMPLICIT_READS_PC); 1488b453a2bSTaylor Simpson } 1498b453a2bSTaylor Simpson 1508b453a2bSTaylor Simpson static bool need_slot_cancelled(Packet *pkt) 1518b453a2bSTaylor Simpson { 1528b453a2bSTaylor Simpson return check_for_attrib(pkt, A_CONDEXEC); 1538b453a2bSTaylor Simpson } 1548b453a2bSTaylor Simpson 1558b453a2bSTaylor Simpson static bool need_pred_written(Packet *pkt) 1568b453a2bSTaylor Simpson { 1578b453a2bSTaylor Simpson return check_for_attrib(pkt, A_WRITES_PRED_REG); 1588b453a2bSTaylor Simpson } 1598b453a2bSTaylor Simpson 1608b453a2bSTaylor Simpson static void gen_start_packet(DisasContext *ctx, Packet *pkt) 1618b453a2bSTaylor Simpson { 1628b453a2bSTaylor Simpson target_ulong next_PC = ctx->base.pc_next + pkt->encod_pkt_size_in_bytes; 1638b453a2bSTaylor Simpson int i; 1648b453a2bSTaylor Simpson 1658b453a2bSTaylor Simpson /* Clear out the disassembly context */ 1668b453a2bSTaylor Simpson ctx->reg_log_idx = 0; 1678b453a2bSTaylor Simpson bitmap_zero(ctx->regs_written, TOTAL_PER_THREAD_REGS); 1688b453a2bSTaylor Simpson ctx->preg_log_idx = 0; 1696c677c60STaylor Simpson bitmap_zero(ctx->pregs_written, NUM_PREGS); 1708b453a2bSTaylor Simpson for (i = 0; i < STORES_MAX; i++) { 1718b453a2bSTaylor Simpson ctx->store_width[i] = 0; 1728b453a2bSTaylor Simpson } 1738b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_pkt_has_store_s1, pkt->pkt_has_store_s1); 17492cfa25fSTaylor Simpson ctx->s1_store_processed = false; 1758b453a2bSTaylor Simpson 17685580a65STaylor Simpson if (HEX_DEBUG) { 1778b453a2bSTaylor Simpson /* Handy place to set a breakpoint before the packet executes */ 1788b453a2bSTaylor Simpson gen_helper_debug_start_packet(cpu_env); 1798b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_this_PC, ctx->base.pc_next); 18085580a65STaylor Simpson } 1818b453a2bSTaylor Simpson 1828b453a2bSTaylor Simpson /* Initialize the runtime state for packet semantics */ 1838b453a2bSTaylor Simpson if (need_pc(pkt)) { 1848b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], ctx->base.pc_next); 1858b453a2bSTaylor Simpson } 1868b453a2bSTaylor Simpson if (need_slot_cancelled(pkt)) { 1878b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_slot_cancelled, 0); 1888b453a2bSTaylor Simpson } 1898b453a2bSTaylor Simpson if (pkt->pkt_has_cof) { 1908b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_branch_taken, 0); 1918b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_next_PC, next_PC); 1928b453a2bSTaylor Simpson } 1938b453a2bSTaylor Simpson if (need_pred_written(pkt)) { 1948b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_pred_written, 0); 1958b453a2bSTaylor Simpson } 1968b453a2bSTaylor Simpson } 1978b453a2bSTaylor Simpson 1988b453a2bSTaylor Simpson /* 1998b453a2bSTaylor Simpson * The LOG_*_WRITE macros mark most of the writes in a packet 2008b453a2bSTaylor Simpson * However, there are some implicit writes marked as attributes 2018b453a2bSTaylor Simpson * of the applicable instructions. 2028b453a2bSTaylor Simpson */ 2038b453a2bSTaylor Simpson static void mark_implicit_reg_write(DisasContext *ctx, Insn *insn, 2048b453a2bSTaylor Simpson int attrib, int rnum) 2058b453a2bSTaylor Simpson { 2068b453a2bSTaylor Simpson if (GET_ATTRIB(insn->opcode, attrib)) { 20792cfa25fSTaylor Simpson bool is_predicated = GET_ATTRIB(insn->opcode, A_CONDEXEC); 2088b453a2bSTaylor Simpson if (is_predicated && !is_preloaded(ctx, rnum)) { 2098b453a2bSTaylor Simpson tcg_gen_mov_tl(hex_new_value[rnum], hex_gpr[rnum]); 2108b453a2bSTaylor Simpson } 2118b453a2bSTaylor Simpson 2128b453a2bSTaylor Simpson ctx_log_reg_write(ctx, rnum); 2138b453a2bSTaylor Simpson } 2148b453a2bSTaylor Simpson } 2158b453a2bSTaylor Simpson 2168b453a2bSTaylor Simpson static void mark_implicit_pred_write(DisasContext *ctx, Insn *insn, 2178b453a2bSTaylor Simpson int attrib, int pnum) 2188b453a2bSTaylor Simpson { 2198b453a2bSTaylor Simpson if (GET_ATTRIB(insn->opcode, attrib)) { 2208b453a2bSTaylor Simpson ctx_log_pred_write(ctx, pnum); 2218b453a2bSTaylor Simpson } 2228b453a2bSTaylor Simpson } 2238b453a2bSTaylor Simpson 2246c677c60STaylor Simpson static void mark_implicit_reg_writes(DisasContext *ctx, Insn *insn) 2258b453a2bSTaylor Simpson { 2268b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_FP, HEX_REG_FP); 2278b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_SP, HEX_REG_SP); 2288b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_LR, HEX_REG_LR); 2298b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_LC0, HEX_REG_LC0); 2308b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_SA0, HEX_REG_SA0); 2318b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_LC1, HEX_REG_LC1); 2328b453a2bSTaylor Simpson mark_implicit_reg_write(ctx, insn, A_IMPLICIT_WRITES_SA1, HEX_REG_SA1); 2336c677c60STaylor Simpson } 2348b453a2bSTaylor Simpson 2356c677c60STaylor Simpson static void mark_implicit_pred_writes(DisasContext *ctx, Insn *insn) 2366c677c60STaylor Simpson { 2378b453a2bSTaylor Simpson mark_implicit_pred_write(ctx, insn, A_IMPLICIT_WRITES_P0, 0); 2388b453a2bSTaylor Simpson mark_implicit_pred_write(ctx, insn, A_IMPLICIT_WRITES_P1, 1); 2398b453a2bSTaylor Simpson mark_implicit_pred_write(ctx, insn, A_IMPLICIT_WRITES_P2, 2); 2408b453a2bSTaylor Simpson mark_implicit_pred_write(ctx, insn, A_IMPLICIT_WRITES_P3, 3); 2418b453a2bSTaylor Simpson } 2428b453a2bSTaylor Simpson 2438b453a2bSTaylor Simpson static void gen_insn(CPUHexagonState *env, DisasContext *ctx, 2448b453a2bSTaylor Simpson Insn *insn, Packet *pkt) 2458b453a2bSTaylor Simpson { 2468b453a2bSTaylor Simpson if (insn->generate) { 2476c677c60STaylor Simpson mark_implicit_reg_writes(ctx, insn); 2488b453a2bSTaylor Simpson insn->generate(env, ctx, insn, pkt); 2496c677c60STaylor Simpson mark_implicit_pred_writes(ctx, insn); 2508b453a2bSTaylor Simpson } else { 251743debbcSTaylor Simpson gen_exception_end_tb(ctx, HEX_EXCP_INVALID_OPCODE); 2528b453a2bSTaylor Simpson } 2538b453a2bSTaylor Simpson } 2548b453a2bSTaylor Simpson 2558b453a2bSTaylor Simpson /* 2568b453a2bSTaylor Simpson * Helpers for generating the packet commit 2578b453a2bSTaylor Simpson */ 2588b453a2bSTaylor Simpson static void gen_reg_writes(DisasContext *ctx) 2598b453a2bSTaylor Simpson { 2608b453a2bSTaylor Simpson int i; 2618b453a2bSTaylor Simpson 2628b453a2bSTaylor Simpson for (i = 0; i < ctx->reg_log_idx; i++) { 2638b453a2bSTaylor Simpson int reg_num = ctx->reg_log[i]; 2648b453a2bSTaylor Simpson 2658b453a2bSTaylor Simpson tcg_gen_mov_tl(hex_gpr[reg_num], hex_new_value[reg_num]); 2668b453a2bSTaylor Simpson } 2678b453a2bSTaylor Simpson } 2688b453a2bSTaylor Simpson 2698b453a2bSTaylor Simpson static void gen_pred_writes(DisasContext *ctx, Packet *pkt) 2708b453a2bSTaylor Simpson { 2718b453a2bSTaylor Simpson int i; 2728b453a2bSTaylor Simpson 2738b453a2bSTaylor Simpson /* Early exit if the log is empty */ 2748b453a2bSTaylor Simpson if (!ctx->preg_log_idx) { 2758b453a2bSTaylor Simpson return; 2768b453a2bSTaylor Simpson } 2778b453a2bSTaylor Simpson 2788b453a2bSTaylor Simpson /* 2798b453a2bSTaylor Simpson * Only endloop instructions will conditionally 2808b453a2bSTaylor Simpson * write a predicate. If there are no endloop 2818b453a2bSTaylor Simpson * instructions, we can use the non-conditional 2828b453a2bSTaylor Simpson * write of the predicates. 2838b453a2bSTaylor Simpson */ 2848b453a2bSTaylor Simpson if (pkt->pkt_has_endloop) { 28523803bbeSPhilippe Mathieu-Daudé TCGv zero = tcg_constant_tl(0); 2868b453a2bSTaylor Simpson TCGv pred_written = tcg_temp_new(); 2878b453a2bSTaylor Simpson for (i = 0; i < ctx->preg_log_idx; i++) { 2888b453a2bSTaylor Simpson int pred_num = ctx->preg_log[i]; 2898b453a2bSTaylor Simpson 2908b453a2bSTaylor Simpson tcg_gen_andi_tl(pred_written, hex_pred_written, 1 << pred_num); 2918b453a2bSTaylor Simpson tcg_gen_movcond_tl(TCG_COND_NE, hex_pred[pred_num], 2928b453a2bSTaylor Simpson pred_written, zero, 2938b453a2bSTaylor Simpson hex_new_pred_value[pred_num], 2948b453a2bSTaylor Simpson hex_pred[pred_num]); 2958b453a2bSTaylor Simpson } 2968b453a2bSTaylor Simpson tcg_temp_free(pred_written); 2978b453a2bSTaylor Simpson } else { 2988b453a2bSTaylor Simpson for (i = 0; i < ctx->preg_log_idx; i++) { 2998b453a2bSTaylor Simpson int pred_num = ctx->preg_log[i]; 3008b453a2bSTaylor Simpson tcg_gen_mov_tl(hex_pred[pred_num], hex_new_pred_value[pred_num]); 30185580a65STaylor Simpson if (HEX_DEBUG) { 3028b453a2bSTaylor Simpson /* Do this so HELPER(debug_commit_end) will know */ 30385580a65STaylor Simpson tcg_gen_ori_tl(hex_pred_written, hex_pred_written, 30485580a65STaylor Simpson 1 << pred_num); 30585580a65STaylor Simpson } 3068b453a2bSTaylor Simpson } 3078b453a2bSTaylor Simpson } 3088b453a2bSTaylor Simpson } 3098b453a2bSTaylor Simpson 310a27c100cSTaylor Simpson static void gen_check_store_width(DisasContext *ctx, int slot_num) 3118b453a2bSTaylor Simpson { 31285580a65STaylor Simpson if (HEX_DEBUG) { 31323803bbeSPhilippe Mathieu-Daudé TCGv slot = tcg_constant_tl(slot_num); 31423803bbeSPhilippe Mathieu-Daudé TCGv check = tcg_constant_tl(ctx->store_width[slot_num]); 3158b453a2bSTaylor Simpson gen_helper_debug_check_store_width(cpu_env, slot, check); 31685580a65STaylor Simpson } 317a27c100cSTaylor Simpson } 3188b453a2bSTaylor Simpson 3198b453a2bSTaylor Simpson static bool slot_is_predicated(Packet *pkt, int slot_num) 3208b453a2bSTaylor Simpson { 3218b453a2bSTaylor Simpson for (int i = 0; i < pkt->num_insns; i++) { 3228b453a2bSTaylor Simpson if (pkt->insn[i].slot == slot_num) { 3238b453a2bSTaylor Simpson return GET_ATTRIB(pkt->insn[i].opcode, A_CONDEXEC); 3248b453a2bSTaylor Simpson } 3258b453a2bSTaylor Simpson } 3268b453a2bSTaylor Simpson /* If we get to here, we didn't find an instruction in the requested slot */ 3278b453a2bSTaylor Simpson g_assert_not_reached(); 3288b453a2bSTaylor Simpson } 3298b453a2bSTaylor Simpson 3308b453a2bSTaylor Simpson void process_store(DisasContext *ctx, Packet *pkt, int slot_num) 3318b453a2bSTaylor Simpson { 3328b453a2bSTaylor Simpson bool is_predicated = slot_is_predicated(pkt, slot_num); 3338b453a2bSTaylor Simpson TCGLabel *label_end = NULL; 3348b453a2bSTaylor Simpson 3358b453a2bSTaylor Simpson /* 3368b453a2bSTaylor Simpson * We may have already processed this store 3378b453a2bSTaylor Simpson * See CHECK_NOSHUF in macros.h 3388b453a2bSTaylor Simpson */ 3398b453a2bSTaylor Simpson if (slot_num == 1 && ctx->s1_store_processed) { 3408b453a2bSTaylor Simpson return; 3418b453a2bSTaylor Simpson } 34292cfa25fSTaylor Simpson ctx->s1_store_processed = true; 3438b453a2bSTaylor Simpson 3448b453a2bSTaylor Simpson if (is_predicated) { 3458b453a2bSTaylor Simpson TCGv cancelled = tcg_temp_new(); 3468b453a2bSTaylor Simpson label_end = gen_new_label(); 3478b453a2bSTaylor Simpson 3488b453a2bSTaylor Simpson /* Don't do anything if the slot was cancelled */ 3498b453a2bSTaylor Simpson tcg_gen_extract_tl(cancelled, hex_slot_cancelled, slot_num, 1); 3508b453a2bSTaylor Simpson tcg_gen_brcondi_tl(TCG_COND_NE, cancelled, 0, label_end); 3518b453a2bSTaylor Simpson tcg_temp_free(cancelled); 3528b453a2bSTaylor Simpson } 3538b453a2bSTaylor Simpson { 3548b453a2bSTaylor Simpson TCGv address = tcg_temp_local_new(); 3558b453a2bSTaylor Simpson tcg_gen_mov_tl(address, hex_store_addr[slot_num]); 3568b453a2bSTaylor Simpson 3578b453a2bSTaylor Simpson /* 3588b453a2bSTaylor Simpson * If we know the width from the DisasContext, we can 3598b453a2bSTaylor Simpson * generate much cleaner code. 3608b453a2bSTaylor Simpson * Unfortunately, not all instructions execute the fSTORE 3618b453a2bSTaylor Simpson * macro during code generation. Anything that uses the 3628b453a2bSTaylor Simpson * generic helper will have this problem. Instructions 3638b453a2bSTaylor Simpson * that use fWRAP to generate proper TCG code will be OK. 3648b453a2bSTaylor Simpson */ 3658b453a2bSTaylor Simpson switch (ctx->store_width[slot_num]) { 3668b453a2bSTaylor Simpson case 1: 367a27c100cSTaylor Simpson gen_check_store_width(ctx, slot_num); 3688b453a2bSTaylor Simpson tcg_gen_qemu_st8(hex_store_val32[slot_num], 3698b453a2bSTaylor Simpson hex_store_addr[slot_num], 3708b453a2bSTaylor Simpson ctx->mem_idx); 3718b453a2bSTaylor Simpson break; 3728b453a2bSTaylor Simpson case 2: 373a27c100cSTaylor Simpson gen_check_store_width(ctx, slot_num); 3748b453a2bSTaylor Simpson tcg_gen_qemu_st16(hex_store_val32[slot_num], 3758b453a2bSTaylor Simpson hex_store_addr[slot_num], 3768b453a2bSTaylor Simpson ctx->mem_idx); 3778b453a2bSTaylor Simpson break; 3788b453a2bSTaylor Simpson case 4: 379a27c100cSTaylor Simpson gen_check_store_width(ctx, slot_num); 3808b453a2bSTaylor Simpson tcg_gen_qemu_st32(hex_store_val32[slot_num], 3818b453a2bSTaylor Simpson hex_store_addr[slot_num], 3828b453a2bSTaylor Simpson ctx->mem_idx); 3838b453a2bSTaylor Simpson break; 3848b453a2bSTaylor Simpson case 8: 385a27c100cSTaylor Simpson gen_check_store_width(ctx, slot_num); 3868b453a2bSTaylor Simpson tcg_gen_qemu_st64(hex_store_val64[slot_num], 3878b453a2bSTaylor Simpson hex_store_addr[slot_num], 3888b453a2bSTaylor Simpson ctx->mem_idx); 3898b453a2bSTaylor Simpson break; 3908b453a2bSTaylor Simpson default: 3918b453a2bSTaylor Simpson { 3928b453a2bSTaylor Simpson /* 3938b453a2bSTaylor Simpson * If we get to here, we don't know the width at 3948b453a2bSTaylor Simpson * TCG generation time, we'll use a helper to 3958b453a2bSTaylor Simpson * avoid branching based on the width at runtime. 3968b453a2bSTaylor Simpson */ 39723803bbeSPhilippe Mathieu-Daudé TCGv slot = tcg_constant_tl(slot_num); 3988b453a2bSTaylor Simpson gen_helper_commit_store(cpu_env, slot); 3998b453a2bSTaylor Simpson } 4008b453a2bSTaylor Simpson } 4018b453a2bSTaylor Simpson tcg_temp_free(address); 4028b453a2bSTaylor Simpson } 4038b453a2bSTaylor Simpson if (is_predicated) { 4048b453a2bSTaylor Simpson gen_set_label(label_end); 4058b453a2bSTaylor Simpson } 4068b453a2bSTaylor Simpson } 4078b453a2bSTaylor Simpson 4088b453a2bSTaylor Simpson static void process_store_log(DisasContext *ctx, Packet *pkt) 4098b453a2bSTaylor Simpson { 4108b453a2bSTaylor Simpson /* 4118b453a2bSTaylor Simpson * When a packet has two stores, the hardware processes 412c23b5764STaylor Simpson * slot 1 and then slot 0. This will be important when 4138b453a2bSTaylor Simpson * the memory accesses overlap. 4148b453a2bSTaylor Simpson */ 4158b453a2bSTaylor Simpson if (pkt->pkt_has_store_s1 && !pkt->pkt_has_dczeroa) { 4168b453a2bSTaylor Simpson process_store(ctx, pkt, 1); 4178b453a2bSTaylor Simpson } 4188b453a2bSTaylor Simpson if (pkt->pkt_has_store_s0 && !pkt->pkt_has_dczeroa) { 4198b453a2bSTaylor Simpson process_store(ctx, pkt, 0); 4208b453a2bSTaylor Simpson } 4218b453a2bSTaylor Simpson } 4228b453a2bSTaylor Simpson 4238b453a2bSTaylor Simpson /* Zero out a 32-bit cache line */ 4248b453a2bSTaylor Simpson static void process_dczeroa(DisasContext *ctx, Packet *pkt) 4258b453a2bSTaylor Simpson { 4268b453a2bSTaylor Simpson if (pkt->pkt_has_dczeroa) { 4278b453a2bSTaylor Simpson /* Store 32 bytes of zero starting at (addr & ~0x1f) */ 4288b453a2bSTaylor Simpson TCGv addr = tcg_temp_new(); 42923803bbeSPhilippe Mathieu-Daudé TCGv_i64 zero = tcg_constant_i64(0); 4308b453a2bSTaylor Simpson 4318b453a2bSTaylor Simpson tcg_gen_andi_tl(addr, hex_dczero_addr, ~0x1f); 4328b453a2bSTaylor Simpson tcg_gen_qemu_st64(zero, addr, ctx->mem_idx); 4338b453a2bSTaylor Simpson tcg_gen_addi_tl(addr, addr, 8); 4348b453a2bSTaylor Simpson tcg_gen_qemu_st64(zero, addr, ctx->mem_idx); 4358b453a2bSTaylor Simpson tcg_gen_addi_tl(addr, addr, 8); 4368b453a2bSTaylor Simpson tcg_gen_qemu_st64(zero, addr, ctx->mem_idx); 4378b453a2bSTaylor Simpson tcg_gen_addi_tl(addr, addr, 8); 4388b453a2bSTaylor Simpson tcg_gen_qemu_st64(zero, addr, ctx->mem_idx); 4398b453a2bSTaylor Simpson 4408b453a2bSTaylor Simpson tcg_temp_free(addr); 4418b453a2bSTaylor Simpson } 4428b453a2bSTaylor Simpson } 4438b453a2bSTaylor Simpson 4448b453a2bSTaylor Simpson static void update_exec_counters(DisasContext *ctx, Packet *pkt) 4458b453a2bSTaylor Simpson { 4468b453a2bSTaylor Simpson int num_insns = pkt->num_insns; 4478b453a2bSTaylor Simpson int num_real_insns = 0; 4488b453a2bSTaylor Simpson 4498b453a2bSTaylor Simpson for (int i = 0; i < num_insns; i++) { 4508b453a2bSTaylor Simpson if (!pkt->insn[i].is_endloop && 4518b453a2bSTaylor Simpson !pkt->insn[i].part1 && 4528b453a2bSTaylor Simpson !GET_ATTRIB(pkt->insn[i].opcode, A_IT_NOP)) { 4538b453a2bSTaylor Simpson num_real_insns++; 4548b453a2bSTaylor Simpson } 4558b453a2bSTaylor Simpson } 4568b453a2bSTaylor Simpson 4578b453a2bSTaylor Simpson ctx->num_packets++; 4588b453a2bSTaylor Simpson ctx->num_insns += num_real_insns; 4598b453a2bSTaylor Simpson } 4608b453a2bSTaylor Simpson 4618b453a2bSTaylor Simpson static void gen_commit_packet(DisasContext *ctx, Packet *pkt) 4628b453a2bSTaylor Simpson { 463c23b5764STaylor Simpson /* 464c23b5764STaylor Simpson * If there is more than one store in a packet, make sure they are all OK 465c23b5764STaylor Simpson * before proceeding with the rest of the packet commit. 466c23b5764STaylor Simpson * 467c23b5764STaylor Simpson * dczeroa has to be the only store operation in the packet, so we go 468c23b5764STaylor Simpson * ahead and process that first. 469c23b5764STaylor Simpson * 470c23b5764STaylor Simpson * When there are two scalar stores, we probe the one in slot 0. 471c23b5764STaylor Simpson * 472c23b5764STaylor Simpson * Note that we don't call the probe helper for packets with only one 473c23b5764STaylor Simpson * store. Therefore, we call process_store_log before anything else 474c23b5764STaylor Simpson * involved in committing the packet. 475c23b5764STaylor Simpson */ 476c23b5764STaylor Simpson bool has_store_s0 = pkt->pkt_has_store_s0; 477c23b5764STaylor Simpson bool has_store_s1 = (pkt->pkt_has_store_s1 && !ctx->s1_store_processed); 478c23b5764STaylor Simpson if (pkt->pkt_has_dczeroa) { 479c23b5764STaylor Simpson /* 480c23b5764STaylor Simpson * The dczeroa will be the store in slot 0, check that we don't have 481c23b5764STaylor Simpson * a store in slot 1. 482c23b5764STaylor Simpson */ 483c23b5764STaylor Simpson g_assert(has_store_s0 && !has_store_s1); 484c23b5764STaylor Simpson process_dczeroa(ctx, pkt); 485c23b5764STaylor Simpson } else if (has_store_s0 && has_store_s1) { 486c23b5764STaylor Simpson /* 487c23b5764STaylor Simpson * process_store_log will execute the slot 1 store first, 488c23b5764STaylor Simpson * so we only have to probe the store in slot 0 489c23b5764STaylor Simpson */ 490*f448397aSTaylor Simpson TCGv mem_idx = tcg_constant_tl(ctx->mem_idx); 491c23b5764STaylor Simpson gen_helper_probe_pkt_scalar_store_s0(cpu_env, mem_idx); 492c23b5764STaylor Simpson } 493c23b5764STaylor Simpson 494c23b5764STaylor Simpson process_store_log(ctx, pkt); 495c23b5764STaylor Simpson 4968b453a2bSTaylor Simpson gen_reg_writes(ctx); 4978b453a2bSTaylor Simpson gen_pred_writes(ctx, pkt); 4988b453a2bSTaylor Simpson update_exec_counters(ctx, pkt); 49985580a65STaylor Simpson if (HEX_DEBUG) { 5008b453a2bSTaylor Simpson TCGv has_st0 = 50123803bbeSPhilippe Mathieu-Daudé tcg_constant_tl(pkt->pkt_has_store_s0 && !pkt->pkt_has_dczeroa); 5028b453a2bSTaylor Simpson TCGv has_st1 = 50323803bbeSPhilippe Mathieu-Daudé tcg_constant_tl(pkt->pkt_has_store_s1 && !pkt->pkt_has_dczeroa); 5048b453a2bSTaylor Simpson 5058b453a2bSTaylor Simpson /* Handy place to set a breakpoint at the end of execution */ 5068b453a2bSTaylor Simpson gen_helper_debug_commit_end(cpu_env, has_st0, has_st1); 5078b453a2bSTaylor Simpson } 5088b453a2bSTaylor Simpson 5098b453a2bSTaylor Simpson if (pkt->pkt_has_cof) { 510743debbcSTaylor Simpson gen_end_tb(ctx); 5118b453a2bSTaylor Simpson } 5128b453a2bSTaylor Simpson } 5138b453a2bSTaylor Simpson 5148b453a2bSTaylor Simpson static void decode_and_translate_packet(CPUHexagonState *env, DisasContext *ctx) 5158b453a2bSTaylor Simpson { 5168b453a2bSTaylor Simpson uint32_t words[PACKET_WORDS_MAX]; 5178b453a2bSTaylor Simpson int nwords; 5188b453a2bSTaylor Simpson Packet pkt; 5198b453a2bSTaylor Simpson int i; 5208b453a2bSTaylor Simpson 5218b453a2bSTaylor Simpson nwords = read_packet_words(env, ctx, words); 5228b453a2bSTaylor Simpson if (!nwords) { 523743debbcSTaylor Simpson gen_exception_end_tb(ctx, HEX_EXCP_INVALID_PACKET); 5248b453a2bSTaylor Simpson return; 5258b453a2bSTaylor Simpson } 5268b453a2bSTaylor Simpson 5278b453a2bSTaylor Simpson if (decode_packet(nwords, words, &pkt, false) > 0) { 5288b453a2bSTaylor Simpson HEX_DEBUG_PRINT_PKT(&pkt); 5298b453a2bSTaylor Simpson gen_start_packet(ctx, &pkt); 5308b453a2bSTaylor Simpson for (i = 0; i < pkt.num_insns; i++) { 5318b453a2bSTaylor Simpson gen_insn(env, ctx, &pkt.insn[i], &pkt); 5328b453a2bSTaylor Simpson } 5338b453a2bSTaylor Simpson gen_commit_packet(ctx, &pkt); 5348b453a2bSTaylor Simpson ctx->base.pc_next += pkt.encod_pkt_size_in_bytes; 5358b453a2bSTaylor Simpson } else { 536743debbcSTaylor Simpson gen_exception_end_tb(ctx, HEX_EXCP_INVALID_PACKET); 5378b453a2bSTaylor Simpson } 5388b453a2bSTaylor Simpson } 5398b453a2bSTaylor Simpson 5408b453a2bSTaylor Simpson static void hexagon_tr_init_disas_context(DisasContextBase *dcbase, 5418b453a2bSTaylor Simpson CPUState *cs) 5428b453a2bSTaylor Simpson { 5438b453a2bSTaylor Simpson DisasContext *ctx = container_of(dcbase, DisasContext, base); 5448b453a2bSTaylor Simpson 5458b453a2bSTaylor Simpson ctx->mem_idx = MMU_USER_IDX; 5468b453a2bSTaylor Simpson ctx->num_packets = 0; 5478b453a2bSTaylor Simpson ctx->num_insns = 0; 5488b453a2bSTaylor Simpson } 5498b453a2bSTaylor Simpson 5508b453a2bSTaylor Simpson static void hexagon_tr_tb_start(DisasContextBase *db, CPUState *cpu) 5518b453a2bSTaylor Simpson { 5528b453a2bSTaylor Simpson } 5538b453a2bSTaylor Simpson 5548b453a2bSTaylor Simpson static void hexagon_tr_insn_start(DisasContextBase *dcbase, CPUState *cpu) 5558b453a2bSTaylor Simpson { 5568b453a2bSTaylor Simpson DisasContext *ctx = container_of(dcbase, DisasContext, base); 5578b453a2bSTaylor Simpson 5588b453a2bSTaylor Simpson tcg_gen_insn_start(ctx->base.pc_next); 5598b453a2bSTaylor Simpson } 5608b453a2bSTaylor Simpson 5618b453a2bSTaylor Simpson static bool pkt_crosses_page(CPUHexagonState *env, DisasContext *ctx) 5628b453a2bSTaylor Simpson { 5638b453a2bSTaylor Simpson target_ulong page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 5648b453a2bSTaylor Simpson bool found_end = false; 5658b453a2bSTaylor Simpson int nwords; 5668b453a2bSTaylor Simpson 5678b453a2bSTaylor Simpson for (nwords = 0; !found_end && nwords < PACKET_WORDS_MAX; nwords++) { 5688b453a2bSTaylor Simpson uint32_t word = cpu_ldl_code(env, 5698b453a2bSTaylor Simpson ctx->base.pc_next + nwords * sizeof(uint32_t)); 5708b453a2bSTaylor Simpson found_end = is_packet_end(word); 5718b453a2bSTaylor Simpson } 5728b453a2bSTaylor Simpson uint32_t next_ptr = ctx->base.pc_next + nwords * sizeof(uint32_t); 5738b453a2bSTaylor Simpson return found_end && next_ptr - page_start >= TARGET_PAGE_SIZE; 5748b453a2bSTaylor Simpson } 5758b453a2bSTaylor Simpson 5768b453a2bSTaylor Simpson static void hexagon_tr_translate_packet(DisasContextBase *dcbase, CPUState *cpu) 5778b453a2bSTaylor Simpson { 5788b453a2bSTaylor Simpson DisasContext *ctx = container_of(dcbase, DisasContext, base); 5798b453a2bSTaylor Simpson CPUHexagonState *env = cpu->env_ptr; 5808b453a2bSTaylor Simpson 5818b453a2bSTaylor Simpson decode_and_translate_packet(env, ctx); 5828b453a2bSTaylor Simpson 5838b453a2bSTaylor Simpson if (ctx->base.is_jmp == DISAS_NEXT) { 5848b453a2bSTaylor Simpson target_ulong page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 5858b453a2bSTaylor Simpson target_ulong bytes_max = PACKET_WORDS_MAX * sizeof(target_ulong); 5868b453a2bSTaylor Simpson 5878b453a2bSTaylor Simpson if (ctx->base.pc_next - page_start >= TARGET_PAGE_SIZE || 5888b453a2bSTaylor Simpson (ctx->base.pc_next - page_start >= TARGET_PAGE_SIZE - bytes_max && 5898b453a2bSTaylor Simpson pkt_crosses_page(env, ctx))) { 5908b453a2bSTaylor Simpson ctx->base.is_jmp = DISAS_TOO_MANY; 5918b453a2bSTaylor Simpson } 5928b453a2bSTaylor Simpson 5938b453a2bSTaylor Simpson /* 5948b453a2bSTaylor Simpson * The CPU log is used to compare against LLDB single stepping, 5958b453a2bSTaylor Simpson * so end the TLB after every packet. 5968b453a2bSTaylor Simpson */ 5977d9ab202STaylor Simpson HexagonCPU *hex_cpu = env_archcpu(env); 5988b453a2bSTaylor Simpson if (hex_cpu->lldb_compat && qemu_loglevel_mask(CPU_LOG_TB_CPU)) { 5998b453a2bSTaylor Simpson ctx->base.is_jmp = DISAS_TOO_MANY; 6008b453a2bSTaylor Simpson } 6018b453a2bSTaylor Simpson } 6028b453a2bSTaylor Simpson } 6038b453a2bSTaylor Simpson 6048b453a2bSTaylor Simpson static void hexagon_tr_tb_stop(DisasContextBase *dcbase, CPUState *cpu) 6058b453a2bSTaylor Simpson { 6068b453a2bSTaylor Simpson DisasContext *ctx = container_of(dcbase, DisasContext, base); 6078b453a2bSTaylor Simpson 6088b453a2bSTaylor Simpson switch (ctx->base.is_jmp) { 6098b453a2bSTaylor Simpson case DISAS_TOO_MANY: 6108b453a2bSTaylor Simpson gen_exec_counters(ctx); 6118b453a2bSTaylor Simpson tcg_gen_movi_tl(hex_gpr[HEX_REG_PC], ctx->base.pc_next); 6128b453a2bSTaylor Simpson tcg_gen_exit_tb(NULL, 0); 6138b453a2bSTaylor Simpson break; 6148b453a2bSTaylor Simpson case DISAS_NORETURN: 6158b453a2bSTaylor Simpson break; 6168b453a2bSTaylor Simpson default: 6178b453a2bSTaylor Simpson g_assert_not_reached(); 6188b453a2bSTaylor Simpson } 6198b453a2bSTaylor Simpson } 6208b453a2bSTaylor Simpson 6218b453a2bSTaylor Simpson static void hexagon_tr_disas_log(const DisasContextBase *dcbase, CPUState *cpu) 6228b453a2bSTaylor Simpson { 6238b453a2bSTaylor Simpson qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first)); 6248b453a2bSTaylor Simpson log_target_disas(cpu, dcbase->pc_first, dcbase->tb->size); 6258b453a2bSTaylor Simpson } 6268b453a2bSTaylor Simpson 6278b453a2bSTaylor Simpson 6288b453a2bSTaylor Simpson static const TranslatorOps hexagon_tr_ops = { 6298b453a2bSTaylor Simpson .init_disas_context = hexagon_tr_init_disas_context, 6308b453a2bSTaylor Simpson .tb_start = hexagon_tr_tb_start, 6318b453a2bSTaylor Simpson .insn_start = hexagon_tr_insn_start, 6328b453a2bSTaylor Simpson .translate_insn = hexagon_tr_translate_packet, 6338b453a2bSTaylor Simpson .tb_stop = hexagon_tr_tb_stop, 6348b453a2bSTaylor Simpson .disas_log = hexagon_tr_disas_log, 6358b453a2bSTaylor Simpson }; 6368b453a2bSTaylor Simpson 6378b453a2bSTaylor Simpson void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) 6388b453a2bSTaylor Simpson { 6398b453a2bSTaylor Simpson DisasContext ctx; 6408b453a2bSTaylor Simpson 6418b453a2bSTaylor Simpson translator_loop(&hexagon_tr_ops, &ctx.base, cs, tb, max_insns); 6428b453a2bSTaylor Simpson } 6438b453a2bSTaylor Simpson 6448b453a2bSTaylor Simpson #define NAME_LEN 64 6458b453a2bSTaylor Simpson static char new_value_names[TOTAL_PER_THREAD_REGS][NAME_LEN]; 6468b453a2bSTaylor Simpson static char reg_written_names[TOTAL_PER_THREAD_REGS][NAME_LEN]; 6478b453a2bSTaylor Simpson static char new_pred_value_names[NUM_PREGS][NAME_LEN]; 6488b453a2bSTaylor Simpson static char store_addr_names[STORES_MAX][NAME_LEN]; 6498b453a2bSTaylor Simpson static char store_width_names[STORES_MAX][NAME_LEN]; 6508b453a2bSTaylor Simpson static char store_val32_names[STORES_MAX][NAME_LEN]; 6518b453a2bSTaylor Simpson static char store_val64_names[STORES_MAX][NAME_LEN]; 6528b453a2bSTaylor Simpson 6538b453a2bSTaylor Simpson void hexagon_translate_init(void) 6548b453a2bSTaylor Simpson { 6558b453a2bSTaylor Simpson int i; 6568b453a2bSTaylor Simpson 6578b453a2bSTaylor Simpson opcode_init(); 6588b453a2bSTaylor Simpson 65985580a65STaylor Simpson if (HEX_DEBUG) { 6608b453a2bSTaylor Simpson if (!qemu_logfile) { 6618b453a2bSTaylor Simpson qemu_set_log(qemu_loglevel); 6628b453a2bSTaylor Simpson } 66385580a65STaylor Simpson } 6648b453a2bSTaylor Simpson 6658b453a2bSTaylor Simpson for (i = 0; i < TOTAL_PER_THREAD_REGS; i++) { 6668b453a2bSTaylor Simpson hex_gpr[i] = tcg_global_mem_new(cpu_env, 6678b453a2bSTaylor Simpson offsetof(CPUHexagonState, gpr[i]), 6688b453a2bSTaylor Simpson hexagon_regnames[i]); 6698b453a2bSTaylor Simpson 6708b453a2bSTaylor Simpson snprintf(new_value_names[i], NAME_LEN, "new_%s", hexagon_regnames[i]); 6718b453a2bSTaylor Simpson hex_new_value[i] = tcg_global_mem_new(cpu_env, 6728b453a2bSTaylor Simpson offsetof(CPUHexagonState, new_value[i]), 6738b453a2bSTaylor Simpson new_value_names[i]); 6748b453a2bSTaylor Simpson 67585580a65STaylor Simpson if (HEX_DEBUG) { 6768b453a2bSTaylor Simpson snprintf(reg_written_names[i], NAME_LEN, "reg_written_%s", 6778b453a2bSTaylor Simpson hexagon_regnames[i]); 6788b453a2bSTaylor Simpson hex_reg_written[i] = tcg_global_mem_new(cpu_env, 6798b453a2bSTaylor Simpson offsetof(CPUHexagonState, reg_written[i]), 6808b453a2bSTaylor Simpson reg_written_names[i]); 68185580a65STaylor Simpson } 6828b453a2bSTaylor Simpson } 6838b453a2bSTaylor Simpson for (i = 0; i < NUM_PREGS; i++) { 6848b453a2bSTaylor Simpson hex_pred[i] = tcg_global_mem_new(cpu_env, 6858b453a2bSTaylor Simpson offsetof(CPUHexagonState, pred[i]), 6868b453a2bSTaylor Simpson hexagon_prednames[i]); 6878b453a2bSTaylor Simpson 6888b453a2bSTaylor Simpson snprintf(new_pred_value_names[i], NAME_LEN, "new_pred_%s", 6898b453a2bSTaylor Simpson hexagon_prednames[i]); 6908b453a2bSTaylor Simpson hex_new_pred_value[i] = tcg_global_mem_new(cpu_env, 6918b453a2bSTaylor Simpson offsetof(CPUHexagonState, new_pred_value[i]), 6928b453a2bSTaylor Simpson new_pred_value_names[i]); 6938b453a2bSTaylor Simpson } 6948b453a2bSTaylor Simpson hex_pred_written = tcg_global_mem_new(cpu_env, 6958b453a2bSTaylor Simpson offsetof(CPUHexagonState, pred_written), "pred_written"); 6968b453a2bSTaylor Simpson hex_next_PC = tcg_global_mem_new(cpu_env, 6978b453a2bSTaylor Simpson offsetof(CPUHexagonState, next_PC), "next_PC"); 6988b453a2bSTaylor Simpson hex_this_PC = tcg_global_mem_new(cpu_env, 6998b453a2bSTaylor Simpson offsetof(CPUHexagonState, this_PC), "this_PC"); 7008b453a2bSTaylor Simpson hex_slot_cancelled = tcg_global_mem_new(cpu_env, 7018b453a2bSTaylor Simpson offsetof(CPUHexagonState, slot_cancelled), "slot_cancelled"); 7028b453a2bSTaylor Simpson hex_branch_taken = tcg_global_mem_new(cpu_env, 7038b453a2bSTaylor Simpson offsetof(CPUHexagonState, branch_taken), "branch_taken"); 7048b453a2bSTaylor Simpson hex_pkt_has_store_s1 = tcg_global_mem_new(cpu_env, 7058b453a2bSTaylor Simpson offsetof(CPUHexagonState, pkt_has_store_s1), "pkt_has_store_s1"); 7068b453a2bSTaylor Simpson hex_dczero_addr = tcg_global_mem_new(cpu_env, 7078b453a2bSTaylor Simpson offsetof(CPUHexagonState, dczero_addr), "dczero_addr"); 7088b453a2bSTaylor Simpson hex_llsc_addr = tcg_global_mem_new(cpu_env, 7098b453a2bSTaylor Simpson offsetof(CPUHexagonState, llsc_addr), "llsc_addr"); 7108b453a2bSTaylor Simpson hex_llsc_val = tcg_global_mem_new(cpu_env, 7118b453a2bSTaylor Simpson offsetof(CPUHexagonState, llsc_val), "llsc_val"); 7128b453a2bSTaylor Simpson hex_llsc_val_i64 = tcg_global_mem_new_i64(cpu_env, 7138b453a2bSTaylor Simpson offsetof(CPUHexagonState, llsc_val_i64), "llsc_val_i64"); 7148b453a2bSTaylor Simpson for (i = 0; i < STORES_MAX; i++) { 7158b453a2bSTaylor Simpson snprintf(store_addr_names[i], NAME_LEN, "store_addr_%d", i); 7168b453a2bSTaylor Simpson hex_store_addr[i] = tcg_global_mem_new(cpu_env, 7178b453a2bSTaylor Simpson offsetof(CPUHexagonState, mem_log_stores[i].va), 7188b453a2bSTaylor Simpson store_addr_names[i]); 7198b453a2bSTaylor Simpson 7208b453a2bSTaylor Simpson snprintf(store_width_names[i], NAME_LEN, "store_width_%d", i); 7218b453a2bSTaylor Simpson hex_store_width[i] = tcg_global_mem_new(cpu_env, 7228b453a2bSTaylor Simpson offsetof(CPUHexagonState, mem_log_stores[i].width), 7238b453a2bSTaylor Simpson store_width_names[i]); 7248b453a2bSTaylor Simpson 7258b453a2bSTaylor Simpson snprintf(store_val32_names[i], NAME_LEN, "store_val32_%d", i); 7268b453a2bSTaylor Simpson hex_store_val32[i] = tcg_global_mem_new(cpu_env, 7278b453a2bSTaylor Simpson offsetof(CPUHexagonState, mem_log_stores[i].data32), 7288b453a2bSTaylor Simpson store_val32_names[i]); 7298b453a2bSTaylor Simpson 7308b453a2bSTaylor Simpson snprintf(store_val64_names[i], NAME_LEN, "store_val64_%d", i); 7318b453a2bSTaylor Simpson hex_store_val64[i] = tcg_global_mem_new_i64(cpu_env, 7328b453a2bSTaylor Simpson offsetof(CPUHexagonState, mem_log_stores[i].data64), 7338b453a2bSTaylor Simpson store_val64_names[i]); 7348b453a2bSTaylor Simpson } 7358b453a2bSTaylor Simpson } 736