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_INSN_H 19 #define HEXAGON_INSN_H 20 21 #include "cpu.h" 22 23 #define INSTRUCTIONS_MAX 7 /* 2 pairs + loopend */ 24 #define REG_OPERANDS_MAX 5 25 #define IMMEDS_MAX 2 26 27 struct Instruction; 28 struct Packet; 29 struct DisasContext; 30 31 typedef void (*SemanticInsn)(CPUHexagonState *env, 32 struct DisasContext *ctx, 33 struct Instruction *insn, 34 struct Packet *pkt); 35 36 struct Instruction { 37 SemanticInsn generate; /* pointer to genptr routine */ 38 uint8_t regno[REG_OPERANDS_MAX]; /* reg operands including predicates */ 39 uint16_t opcode; 40 41 uint32_t iclass:6; 42 uint32_t slot:3; 43 uint32_t part1:1; /* 44 * cmp-jumps are split into two insns. 45 * set for the compare and clear for the jump 46 */ 47 uint32_t extension_valid:1; /* Has a constant extender attached */ 48 uint32_t which_extended:1; /* If has an extender, which immediate */ 49 uint32_t is_endloop:1; /* This is an end of loop */ 50 uint32_t new_value_producer_slot:4; 51 int32_t immed[IMMEDS_MAX]; /* immediate field */ 52 }; 53 54 typedef struct Instruction Insn; 55 56 struct Packet { 57 uint16_t num_insns; 58 uint16_t encod_pkt_size_in_bytes; 59 60 /* Pre-decodes about COF */ 61 uint32_t pkt_has_cof:1; /* Has any change-of-flow */ 62 uint32_t pkt_has_endloop:1; 63 64 uint32_t pkt_has_dczeroa:1; 65 66 uint32_t pkt_has_store_s0:1; 67 uint32_t pkt_has_store_s1:1; 68 69 Insn insn[INSTRUCTIONS_MAX]; 70 }; 71 72 typedef struct Packet Packet; 73 74 #endif 75