--- /dev/null
+/*
+ * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HEXAGON_INSN_H
+#define HEXAGON_INSN_H
+
+#include "cpu.h"
+
+#define INSTRUCTIONS_MAX 7 /* 2 pairs + loopend */
+#define REG_OPERANDS_MAX 5
+#define IMMEDS_MAX 2
+
+struct Instruction;
+struct Packet;
+struct DisasContext;
+
+typedef void (*SemanticInsn)(CPUHexagonState *env,
+ struct DisasContext *ctx,
+ struct Instruction *insn,
+ struct Packet *pkt);
+
+struct Instruction {
+ SemanticInsn generate; /* pointer to genptr routine */
+ uint8_t regno[REG_OPERANDS_MAX]; /* reg operands including predicates */
+ uint16_t opcode;
+
+ uint32_t iclass:6;
+ uint32_t slot:3;
+ uint32_t part1:1; /*
+ * cmp-jumps are split into two insns.
+ * set for the compare and clear for the jump
+ */
+ uint32_t extension_valid:1; /* Has a constant extender attached */
+ uint32_t which_extended:1; /* If has an extender, which immediate */
+ uint32_t is_endloop:1; /* This is an end of loop */
+ uint32_t new_value_producer_slot:4;
+ int32_t immed[IMMEDS_MAX]; /* immediate field */
+};
+
+typedef struct Instruction Insn;
+
+struct Packet {
+ uint16_t num_insns;
+ uint16_t encod_pkt_size_in_bytes;
+
+ /* Pre-decodes about COF */
+ uint32_t pkt_has_cof:1; /* Has any change-of-flow */
+ uint32_t pkt_has_endloop:1;
+
+ uint32_t pkt_has_dczeroa:1;
+
+ uint32_t pkt_has_store_s0:1;
+ uint32_t pkt_has_store_s1:1;
+
+ Insn insn[INSTRUCTIONS_MAX];
+};
+
+typedef struct Packet Packet;
+
+#endif