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537 lines
14 KiB
C
537 lines
14 KiB
C
/* CPU family header for iq2000bf.
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THIS FILE IS MACHINE GENERATED WITH CGEN.
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Copyright 1996-2021 Free Software Foundation, Inc.
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This file is part of the GNU simulators.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CPU_IQ2000BF_H
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#define CPU_IQ2000BF_H
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/* Maximum number of instructions that are fetched at a time.
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This is for LIW type instructions sets (e.g. m32r). */
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#define MAX_LIW_INSNS 1
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/* Maximum number of instructions that can be executed in parallel. */
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#define MAX_PARALLEL_INSNS 1
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/* The size of an "int" needed to hold an instruction word.
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This is usually 32 bits, but some architectures needs 64 bits. */
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typedef CGEN_INSN_INT CGEN_INSN_WORD;
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#include "cgen-engine.h"
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/* CPU state information. */
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typedef struct {
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/* Hardware elements. */
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struct {
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/* program counter */
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USI h_pc;
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#define GET_H_PC() get_h_pc (current_cpu)
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#define SET_H_PC(x) \
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do { \
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set_h_pc (current_cpu, (x));\
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;} while (0)
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/* General purpose registers */
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SI h_gr[32];
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#define GET_H_GR(index) (((index) == (0))) ? (0) : (CPU (h_gr[index]))
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#define SET_H_GR(index, x) \
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do { \
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if ((((index)) == (0))) {\
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((void) 0); /*nop*/\
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}\
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else {\
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CPU (h_gr[(index)]) = (x);\
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}\
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;} while (0)
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} hardware;
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#define CPU_CGEN_HW(cpu) (& (cpu)->cpu_data.hardware)
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} IQ2000BF_CPU_DATA;
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/* Cover fns for register access. */
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USI iq2000bf_h_pc_get (SIM_CPU *);
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void iq2000bf_h_pc_set (SIM_CPU *, USI);
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SI iq2000bf_h_gr_get (SIM_CPU *, UINT);
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void iq2000bf_h_gr_set (SIM_CPU *, UINT, SI);
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/* These must be hand-written. */
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extern CPUREG_FETCH_FN iq2000bf_fetch_register;
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extern CPUREG_STORE_FN iq2000bf_store_register;
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typedef struct {
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int empty;
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} MODEL_IQ2000_DATA;
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/* Instruction argument buffer. */
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union sem_fields {
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struct { /* no operands */
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int empty;
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} sfmt_empty;
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struct { /* */
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IADDR i_jmptarg;
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} sfmt_j;
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struct { /* */
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IADDR i_offset;
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UINT f_rs;
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UINT f_rt;
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} sfmt_bbi;
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struct { /* */
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UINT f_imm;
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UINT f_rs;
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UINT f_rt;
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} sfmt_addi;
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struct { /* */
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UINT f_mask;
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UINT f_rd;
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UINT f_rs;
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UINT f_rt;
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} sfmt_mrgb;
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struct { /* */
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UINT f_maskl;
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UINT f_rd;
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UINT f_rs;
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UINT f_rt;
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UINT f_shamt;
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} sfmt_ram;
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#if WITH_SCACHE_PBB
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/* Writeback handler. */
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struct {
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/* Pointer to argbuf entry for insn whose results need writing back. */
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const struct argbuf *abuf;
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} write;
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/* x-before handler */
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struct {
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/*const SCACHE *insns[MAX_PARALLEL_INSNS];*/
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int first_p;
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} before;
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/* x-after handler */
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struct {
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int empty;
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} after;
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/* This entry is used to terminate each pbb. */
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struct {
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/* Number of insns in pbb. */
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int insn_count;
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/* Next pbb to execute. */
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SCACHE *next;
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SCACHE *branch_target;
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} chain;
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#endif
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};
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/* The ARGBUF struct. */
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struct argbuf {
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/* These are the baseclass definitions. */
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IADDR addr;
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const IDESC *idesc;
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char trace_p;
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char profile_p;
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/* ??? Temporary hack for skip insns. */
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char skip_count;
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char unused;
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/* cpu specific data follows */
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union sem semantic;
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int written;
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union sem_fields fields;
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};
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/* A cached insn.
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??? SCACHE used to contain more than just argbuf. We could delete the
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type entirely and always just use ARGBUF, but for future concerns and as
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a level of abstraction it is left in. */
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struct scache {
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struct argbuf argbuf;
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};
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/* Macros to simplify extraction, reading and semantic code.
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These define and assign the local vars that contain the insn's fields. */
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#define EXTRACT_IFMT_EMPTY_VARS \
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unsigned int length;
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#define EXTRACT_IFMT_EMPTY_CODE \
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length = 0; \
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#define EXTRACT_IFMT_ADD_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_ADD_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_ADDI_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_imm; \
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unsigned int length;
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#define EXTRACT_IFMT_ADDI_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
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#define EXTRACT_IFMT_RAM_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_5; \
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UINT f_maskl; \
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unsigned int length;
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#define EXTRACT_IFMT_RAM_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_5 = EXTRACT_LSB0_UINT (insn, 32, 5, 1); \
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f_maskl = EXTRACT_LSB0_UINT (insn, 32, 4, 5); \
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#define EXTRACT_IFMT_SLL_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_SLL_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_SLMV_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_SLMV_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_SLTI_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_imm; \
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unsigned int length;
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#define EXTRACT_IFMT_SLTI_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
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#define EXTRACT_IFMT_BBI_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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SI f_offset; \
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unsigned int length;
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#define EXTRACT_IFMT_BBI_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
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#define EXTRACT_IFMT_BBV_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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SI f_offset; \
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unsigned int length;
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#define EXTRACT_IFMT_BBV_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
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#define EXTRACT_IFMT_BGEZ_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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SI f_offset; \
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unsigned int length;
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#define EXTRACT_IFMT_BGEZ_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
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#define EXTRACT_IFMT_JALR_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_JALR_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_JR_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_JR_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_LB_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_imm; \
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unsigned int length;
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#define EXTRACT_IFMT_LB_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
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#define EXTRACT_IFMT_LUI_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_imm; \
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unsigned int length;
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#define EXTRACT_IFMT_LUI_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
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#define EXTRACT_IFMT_BREAK_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_BREAK_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_SYSCALL_VARS \
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UINT f_opcode; \
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UINT f_excode; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_SYSCALL_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_excode = EXTRACT_LSB0_UINT (insn, 32, 25, 20); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_ANDOUI_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_imm; \
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unsigned int length;
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#define EXTRACT_IFMT_ANDOUI_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_imm = EXTRACT_LSB0_UINT (insn, 32, 15, 16); \
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#define EXTRACT_IFMT_MRGB_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_10; \
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UINT f_mask; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_MRGB_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_10 = EXTRACT_LSB0_UINT (insn, 32, 10, 1); \
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f_mask = EXTRACT_LSB0_UINT (insn, 32, 9, 4); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_BC0F_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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SI f_offset; \
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unsigned int length;
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#define EXTRACT_IFMT_BC0F_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_offset = ((((EXTRACT_LSB0_SINT (insn, 32, 15, 16)) << (2))) + (((pc) + (4)))); \
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#define EXTRACT_IFMT_CFC0_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_10_11; \
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unsigned int length;
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#define EXTRACT_IFMT_CFC0_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_10_11 = EXTRACT_LSB0_UINT (insn, 32, 10, 11); \
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#define EXTRACT_IFMT_CHKHDR_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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unsigned int length;
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#define EXTRACT_IFMT_CHKHDR_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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#define EXTRACT_IFMT_LULCK_VARS \
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UINT f_opcode; \
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UINT f_rs; \
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UINT f_rt; \
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UINT f_rd; \
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UINT f_shamt; \
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UINT f_func; \
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|
unsigned int length;
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#define EXTRACT_IFMT_LULCK_CODE \
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length = 4; \
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f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_rd = EXTRACT_LSB0_UINT (insn, 32, 15, 5); \
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f_shamt = EXTRACT_LSB0_UINT (insn, 32, 10, 5); \
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f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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|
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|
#define EXTRACT_IFMT_PKRLR1_VARS \
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|
UINT f_opcode; \
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|
UINT f_rs; \
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UINT f_rt; \
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UINT f_count; \
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|
UINT f_index; \
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|
unsigned int length;
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|
#define EXTRACT_IFMT_PKRLR1_CODE \
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|
length = 4; \
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|
f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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|
f_rs = EXTRACT_LSB0_UINT (insn, 32, 25, 5); \
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f_rt = EXTRACT_LSB0_UINT (insn, 32, 20, 5); \
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f_count = EXTRACT_LSB0_UINT (insn, 32, 15, 7); \
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|
f_index = EXTRACT_LSB0_UINT (insn, 32, 8, 9); \
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|
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|
#define EXTRACT_IFMT_RFE_VARS \
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|
UINT f_opcode; \
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|
UINT f_25; \
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|
UINT f_24_19; \
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|
UINT f_func; \
|
|
unsigned int length;
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|
#define EXTRACT_IFMT_RFE_CODE \
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|
length = 4; \
|
|
f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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|
f_25 = EXTRACT_LSB0_UINT (insn, 32, 25, 1); \
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|
f_24_19 = EXTRACT_LSB0_UINT (insn, 32, 24, 19); \
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|
f_func = EXTRACT_LSB0_UINT (insn, 32, 5, 6); \
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|
|
|
#define EXTRACT_IFMT_J_VARS \
|
|
UINT f_opcode; \
|
|
UINT f_rsrvd; \
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|
USI f_jtarg; \
|
|
unsigned int length;
|
|
#define EXTRACT_IFMT_J_CODE \
|
|
length = 4; \
|
|
f_opcode = EXTRACT_LSB0_UINT (insn, 32, 31, 6); \
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|
f_rsrvd = EXTRACT_LSB0_UINT (insn, 32, 25, 10); \
|
|
f_jtarg = ((((pc) & (0xf0000000))) | (((EXTRACT_LSB0_UINT (insn, 32, 15, 16)) << (2)))); \
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|
|
|
/* Collection of various things for the trace handler to use. */
|
|
|
|
typedef struct trace_record {
|
|
IADDR pc;
|
|
/* FIXME:wip */
|
|
} TRACE_RECORD;
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|
|
|
#endif /* CPU_IQ2000BF_H */
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