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/*
* 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
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