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/*
Nios-sim - one simple NIOSII simulator only for personal interest and fun.
Copyright (C) 2010 chysun2000@gmail.com
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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __INSTRUCTION_H__
#define __INSTRUCTION_H__
/*--J_TYPE-------------------------------------------------------------*/
/*--R_TYPE-------------------------------------------------------------*/
enum OPX_TYPE_INSTR{
ERET = 0x01,
ROLI = 0x02,
ROL = 0x03,
FLUSHP = 0x04,
RET = 0x05,
NOR = 0x06,
MULXUU = 0x07,
CMPGE = 0x08,
BRET = 0x09,
ROR=0x0B,
FLUSHI=0x0c,
JMP=0x0d,
AND=0x0e,
CMPLT = 0x10,
SLLI = 0x12,
SLL=0x13,
WRPRS = 0x14,
OR = 0x16,
MULXSU=0x17,
CMPNE=0x18,
SRLI = 0x1A,
SRL=0x1b,
NEXTPC=0x1c,
CALLR = 0x1D,
XOR=0x1e,
MULXSS=0x1f,
CMPEQ=0x20,
DIVU = 0x24,
DIV=0x25,
RDCTL,
MUL,
CMPGEU,
INITI,
TRAP = 0x2D,
WRCTL,
CMPLTU = 0x30,
ADD,
BREAK = 0x34,
SYNC = 0x36,
SUB = 0x39,
SRAI = 0x3A,
SRA=0x3b
};
/*--I_TYPE-------------------------------------------------------------*/
enum OP_TYPE_INSTR{
CALL = 0x00,
JMPI = 0x01,
LDBU = 0x03,
ADDI = 0x04,
STB = 0x05,
BR = 0x06,
LDB = 0x07,
CMPGEI = 0x08,
LDHU = 0x0B,
ANDI = 0x0C,
STH = 0x0D,
BGE = 0x0E,
LDH = 0x0F,
CMPLTI = 0x10,
INITDA = 0x13,
ORI,
STW,
BLT,
LDW,
CMPNEI=0x18,
FLUSHDA = 0x1B,
XORI = 0x1C,
BNE = 0x1E,
CMPEQI = 0x20,
LDBUIO = 0x23,
MULI,
STBIO,
BEQ,
LDBIO,
CMPGEUI=0x28,
LDHUIO = 0x2B,
ANDHI = 0x2C,
STHIO = 0x2D,
BGEU = 0x2E,
LDHIO = 0x2F,
CMPLTUI = 0x30,
CUSTOM = 0x32,
INITD,
ORHI,
STWIO,
BLTU,
LDWIO,
RDPRS,
R_TYPE = 0x3A,
FLUSHD = 0x3B,
XORHI = 0x3C
};
#endif
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