summaryrefslogtreecommitdiff
path: root/instruction.h
diff options
context:
space:
mode:
Diffstat (limited to 'instruction.h')
-rw-r--r--instruction.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/instruction.h b/instruction.h
new file mode 100644
index 0000000..2253c86
--- /dev/null
+++ b/instruction.h
@@ -0,0 +1,120 @@
+/*
+ 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
+
+