1 /* 2 * Copyright(c) 2019-2021 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 #ifndef HEXAGON_TRANSLATE_H 19 #define HEXAGON_TRANSLATE_H 20 21 #include "qemu/bitmap.h" 22 #include "qemu/log.h" 23 #include "cpu.h" 24 #include "exec/translator.h" 25 #include "tcg/tcg-op.h" 26 #include "internal.h" 27 28 typedef struct DisasContext { 29 DisasContextBase base; 30 uint32_t mem_idx; 31 uint32_t num_packets; 32 uint32_t num_insns; 33 uint32_t num_hvx_insns; 34 int reg_log[REG_WRITES_MAX]; 35 int reg_log_idx; 36 DECLARE_BITMAP(regs_written, TOTAL_PER_THREAD_REGS); 37 int preg_log[PRED_WRITES_MAX]; 38 int preg_log_idx; 39 DECLARE_BITMAP(pregs_written, NUM_PREGS); 40 uint8_t store_width[STORES_MAX]; 41 bool s1_store_processed; 42 int future_vregs_idx; 43 int future_vregs_num[VECTOR_TEMPS_MAX]; 44 int tmp_vregs_idx; 45 int tmp_vregs_num[VECTOR_TEMPS_MAX]; 46 int vreg_log[NUM_VREGS]; 47 bool vreg_is_predicated[NUM_VREGS]; 48 int vreg_log_idx; 49 DECLARE_BITMAP(vregs_updated_tmp, NUM_VREGS); 50 DECLARE_BITMAP(vregs_updated, NUM_VREGS); 51 DECLARE_BITMAP(vregs_select, NUM_VREGS); 52 int qreg_log[NUM_QREGS]; 53 bool qreg_is_predicated[NUM_QREGS]; 54 int qreg_log_idx; 55 bool pre_commit; 56 } DisasContext; 57 58 static inline void ctx_log_reg_write(DisasContext *ctx, int rnum) 59 { 60 if (test_bit(rnum, ctx->regs_written)) { 61 HEX_DEBUG_LOG("WARNING: Multiple writes to r%d\n", rnum); 62 } 63 ctx->reg_log[ctx->reg_log_idx] = rnum; 64 ctx->reg_log_idx++; 65 set_bit(rnum, ctx->regs_written); 66 } 67 68 static inline void ctx_log_reg_write_pair(DisasContext *ctx, int rnum) 69 { 70 ctx_log_reg_write(ctx, rnum); 71 ctx_log_reg_write(ctx, rnum + 1); 72 } 73 74 static inline void ctx_log_pred_write(DisasContext *ctx, int pnum) 75 { 76 ctx->preg_log[ctx->preg_log_idx] = pnum; 77 ctx->preg_log_idx++; 78 set_bit(pnum, ctx->pregs_written); 79 } 80 81 static inline bool is_preloaded(DisasContext *ctx, int num) 82 { 83 return test_bit(num, ctx->regs_written); 84 } 85 86 intptr_t ctx_future_vreg_off(DisasContext *ctx, int regnum, 87 int num, bool alloc_ok); 88 intptr_t ctx_tmp_vreg_off(DisasContext *ctx, int regnum, 89 int num, bool alloc_ok); 90 91 static inline void ctx_log_vreg_write(DisasContext *ctx, 92 int rnum, VRegWriteType type, 93 bool is_predicated) 94 { 95 if (type != EXT_TMP) { 96 ctx->vreg_log[ctx->vreg_log_idx] = rnum; 97 ctx->vreg_is_predicated[ctx->vreg_log_idx] = is_predicated; 98 ctx->vreg_log_idx++; 99 100 set_bit(rnum, ctx->vregs_updated); 101 } 102 if (type == EXT_NEW) { 103 set_bit(rnum, ctx->vregs_select); 104 } 105 if (type == EXT_TMP) { 106 set_bit(rnum, ctx->vregs_updated_tmp); 107 } 108 } 109 110 static inline void ctx_log_vreg_write_pair(DisasContext *ctx, 111 int rnum, VRegWriteType type, 112 bool is_predicated) 113 { 114 ctx_log_vreg_write(ctx, rnum ^ 0, type, is_predicated); 115 ctx_log_vreg_write(ctx, rnum ^ 1, type, is_predicated); 116 } 117 118 static inline void ctx_log_qreg_write(DisasContext *ctx, 119 int rnum, bool is_predicated) 120 { 121 ctx->qreg_log[ctx->qreg_log_idx] = rnum; 122 ctx->qreg_is_predicated[ctx->qreg_log_idx] = is_predicated; 123 ctx->qreg_log_idx++; 124 } 125 126 extern TCGv hex_gpr[TOTAL_PER_THREAD_REGS]; 127 extern TCGv hex_pred[NUM_PREGS]; 128 extern TCGv hex_next_PC; 129 extern TCGv hex_this_PC; 130 extern TCGv hex_slot_cancelled; 131 extern TCGv hex_branch_taken; 132 extern TCGv hex_new_value[TOTAL_PER_THREAD_REGS]; 133 extern TCGv hex_reg_written[TOTAL_PER_THREAD_REGS]; 134 extern TCGv hex_new_pred_value[NUM_PREGS]; 135 extern TCGv hex_pred_written; 136 extern TCGv hex_store_addr[STORES_MAX]; 137 extern TCGv hex_store_width[STORES_MAX]; 138 extern TCGv hex_store_val32[STORES_MAX]; 139 extern TCGv_i64 hex_store_val64[STORES_MAX]; 140 extern TCGv hex_dczero_addr; 141 extern TCGv hex_llsc_addr; 142 extern TCGv hex_llsc_val; 143 extern TCGv_i64 hex_llsc_val_i64; 144 extern TCGv hex_VRegs_updated; 145 extern TCGv hex_QRegs_updated; 146 extern TCGv hex_vstore_addr[VSTORES_MAX]; 147 extern TCGv hex_vstore_size[VSTORES_MAX]; 148 extern TCGv hex_vstore_pending[VSTORES_MAX]; 149 150 bool is_gather_store_insn(Insn *insn, Packet *pkt); 151 void process_store(DisasContext *ctx, Packet *pkt, int slot_num); 152 #endif 153