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      1 /* Opcode table for the TI MSP430 microcontrollers
      2 
      3    Copyright (C) 2002-2014 Free Software Foundation, Inc.
      4    Contributed by Dmitry Diky <diwil (at) mail.ru>
      5 
      6    This program is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by
      8    the Free Software Foundation; either version 3, or (at your option)
      9    any later version.
     10 
     11    This program is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14    GNU General Public License for more details.
     15 
     16    You should have received a copy of the GNU General Public License
     17    along with this program; if not, write to the Free Software
     18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     19    MA 02110-1301, USA.  */
     20 
     21 #ifndef __MSP430_H_
     22 #define __MSP430_H_
     23 
     24 struct msp430_operand_s
     25 {
     26   int ol;	/* Operand length words.  */
     27   int am;	/* Addr mode.  */
     28   int reg;	/* Register.  */
     29   int mode;	/* Operand mode.  */
     30   int vshift;   /* Number of bytes to shift operand down.  */
     31 #define OP_REG		0
     32 #define OP_EXP		1
     33 #ifndef DASM_SECTION
     34   expressionS	exp;
     35 #endif
     36 };
     37 
     38 #define BYTE_OPERATION  (1 << 6)  /* Byte operation flag for all instructions.  */
     39 
     40 struct  msp430_opcode_s
     41 {
     42   char *name;
     43   int fmt;
     44   int insn_opnumb;
     45   int bin_opcode;
     46   int bin_mask;
     47 };
     48 
     49 #define MSP_INSN(name, size, numb, bin, mask) { #name, size, numb, bin, mask }
     50 
     51 static struct msp430_opcode_s msp430_opcodes[] =
     52 {
     53   MSP_INSN (and,   1, 2, 0xf000, 0xf000),
     54   MSP_INSN (inv,   0, 1, 0xe330, 0xfff0),
     55   MSP_INSN (xor,   1, 2, 0xe000, 0xf000),
     56   MSP_INSN (setz,  0, 0, 0xd322, 0xffff),
     57   MSP_INSN (setc,  0, 0, 0xd312, 0xffff),
     58   MSP_INSN (eint,  0, 0, 0xd232, 0xffff),
     59   MSP_INSN (setn,  0, 0, 0xd222, 0xffff),
     60   MSP_INSN (bis,   1, 2, 0xd000, 0xf000),
     61   MSP_INSN (clrz,  0, 0, 0xc322, 0xffff),
     62   MSP_INSN (clrc,  0, 0, 0xc312, 0xffff),
     63   MSP_INSN (dint,  0, 0, 0xc232, 0xffff),
     64   MSP_INSN (clrn,  0, 0, 0xc222, 0xffff),
     65   MSP_INSN (bic,   1, 2, 0xc000, 0xf000),
     66   MSP_INSN (bit,   1, 2, 0xb000, 0xf000),
     67   MSP_INSN (dadc,  0, 1, 0xa300, 0xff30),
     68   MSP_INSN (dadd,  1, 2, 0xa000, 0xf000),
     69   MSP_INSN (tst,   0, 1, 0x9300, 0xff30),
     70   MSP_INSN (cmp,   1, 2, 0x9000, 0xf000),
     71   MSP_INSN (decd,  0, 1, 0x8320, 0xff30),
     72   MSP_INSN (dec,   0, 1, 0x8310, 0xff30),
     73   MSP_INSN (sub,   1, 2, 0x8000, 0xf000),
     74   MSP_INSN (sbc,   0, 1, 0x7300, 0xff30),
     75   MSP_INSN (subc,  1, 2, 0x7000, 0xf000),
     76   MSP_INSN (adc,   0, 1, 0x6300, 0xff30),
     77   MSP_INSN (rlc,   0, 2, 0x6000, 0xf000),
     78   MSP_INSN (addc,  1, 2, 0x6000, 0xf000),
     79   MSP_INSN (incd,  0, 1, 0x5320, 0xff30),
     80   MSP_INSN (inc,   0, 1, 0x5310, 0xff30),
     81   MSP_INSN (rla,   0, 2, 0x5000, 0xf000),
     82   MSP_INSN (add,   1, 2, 0x5000, 0xf000),
     83   MSP_INSN (nop,   0, 0, 0x4303, 0xffff),
     84   MSP_INSN (clr,   0, 1, 0x4300, 0xff30),
     85   MSP_INSN (ret,   0, 0, 0x4130, 0xff30),
     86   MSP_INSN (pop,   0, 1, 0x4130, 0xff30),
     87   MSP_INSN (br,    0, 3, 0x4000, 0xf000),
     88   MSP_INSN (mov,   1, 2, 0x4000, 0xf000),
     89   MSP_INSN (jmp,   3, 1, 0x3c00, 0xfc00),
     90   MSP_INSN (jl,    3, 1, 0x3800, 0xfc00),
     91   MSP_INSN (jge,   3, 1, 0x3400, 0xfc00),
     92   MSP_INSN (jn,    3, 1, 0x3000, 0xfc00),
     93   MSP_INSN (jc,    3, 1, 0x2c00, 0xfc00),
     94   MSP_INSN (jhs,   3, 1, 0x2c00, 0xfc00),
     95   MSP_INSN (jnc,   3, 1, 0x2800, 0xfc00),
     96   MSP_INSN (jlo,   3, 1, 0x2800, 0xfc00),
     97   MSP_INSN (jz,    3, 1, 0x2400, 0xfc00),
     98   MSP_INSN (jeq,   3, 1, 0x2400, 0xfc00),
     99   MSP_INSN (jnz,   3, 1, 0x2000, 0xfc00),
    100   MSP_INSN (jne,   3, 1, 0x2000, 0xfc00),
    101   MSP_INSN (reti,  2, 0, 0x1300, 0xffc0),
    102   MSP_INSN (call,  2, 1, 0x1280, 0xffc0),
    103   MSP_INSN (push,  2, 1, 0x1200, 0xff80),
    104   MSP_INSN (sxt,   2, 1, 0x1180, 0xffc0),
    105   MSP_INSN (rra,   2, 1, 0x1100, 0xff80),
    106   MSP_INSN (swpb,  2, 1, 0x1080, 0xffc0),
    107   MSP_INSN (rrc,   2, 1, 0x1000, 0xff80),
    108   /* Simple polymorphs.  */
    109   MSP_INSN (beq,   4, 0, 0, 0xffff),
    110   MSP_INSN (bne,   4, 1, 0, 0xffff),
    111   MSP_INSN (blt,   4, 2, 0, 0xffff),
    112   MSP_INSN (bltu,  4, 3, 0, 0xffff),
    113   MSP_INSN (bge,   4, 4, 0, 0xffff),
    114   MSP_INSN (bgeu,  4, 5, 0, 0xffff),
    115   MSP_INSN (bltn,  4, 6, 0, 0xffff),
    116   MSP_INSN (jump,  4, 7, 0, 0xffff),
    117   /* Long polymorphs.  */
    118   MSP_INSN (bgt,   5, 0, 0, 0xffff),
    119   MSP_INSN (bgtu,  5, 1, 0, 0xffff),
    120   MSP_INSN (bleu,  5, 2, 0, 0xffff),
    121   MSP_INSN (ble,   5, 3, 0, 0xffff),
    122 
    123   /* MSP430X instructions - these ones use an extension word.
    124      A negative format indicates an MSP430X instruction.  */
    125   MSP_INSN (addcx, -2, 2, 0x6000, 0xf000),
    126   MSP_INSN (addx,  -2, 2, 0x5000, 0xf000),
    127   MSP_INSN (andx,  -2, 2, 0xf000, 0xf000),
    128   MSP_INSN (bicx,  -2, 2, 0xc000, 0xf000),
    129   MSP_INSN (bisx,  -2, 2, 0xd000, 0xf000),
    130   MSP_INSN (bitx,  -2, 2, 0xb000, 0xf000),
    131   MSP_INSN (cmpx,  -2, 2, 0x9000, 0xf000),
    132   MSP_INSN (daddx, -2, 2, 0xa000, 0xf000),
    133   MSP_INSN (movx,  -2, 2, 0x4000, 0xf000),
    134   MSP_INSN (subcx, -2, 2, 0x7000, 0xf000),
    135   MSP_INSN (subx,  -2, 2, 0x8000, 0xf000),
    136   MSP_INSN (xorx,  -2, 2, 0xe000, 0xf000),
    137 
    138   /* MSP430X Synthetic instructions.  */
    139   MSP_INSN (adcx,  -1, 1, 0x6300, 0xff30),
    140   MSP_INSN (clra,  -1, 1, 0x4300, 0xff30),
    141   MSP_INSN (clrx,  -1, 1, 0x4300, 0xff30),
    142   MSP_INSN (dadcx, -1, 1, 0xa300, 0xff30),
    143   MSP_INSN (decx,  -1, 1, 0x8310, 0xff30),
    144   MSP_INSN (decda, -1, 1, 0x8320, 0xff30),
    145   MSP_INSN (decdx, -1, 1, 0x8320, 0xff30),
    146   MSP_INSN (incx,  -1, 1, 0x5310, 0xff30),
    147   MSP_INSN (incda, -1, 1, 0x5320, 0xff30),
    148   MSP_INSN (incdx, -1, 1, 0x5320, 0xff30),
    149   MSP_INSN (invx,  -1, 1, 0xe330, 0xfff0),
    150   MSP_INSN (popx,  -1, 1, 0x4130, 0xff30),
    151   MSP_INSN (rlax,  -1, 2, 0x5000, 0xf000),
    152   MSP_INSN (rlcx,  -1, 2, 0x6000, 0xf000),
    153   MSP_INSN (sbcx,  -1, 1, 0x7300, 0xff30),
    154   MSP_INSN (tsta,  -1, 1, 0x9300, 0xff30),
    155   MSP_INSN (tstx,  -1, 1, 0x9300, 0xff30),
    156 
    157   MSP_INSN (pushx, -3, 1, 0x1200, 0xff80),
    158   MSP_INSN (rrax,  -3, 1, 0x1100, 0xff80),
    159   MSP_INSN (rrcx,  -3, 1, 0x1000, 0xff80),
    160   MSP_INSN (swpbx, -3, 1, 0x1080, 0xffc0),
    161   MSP_INSN (sxtx,  -3, 1, 0x1180, 0xffc0),
    162 
    163   /* MSP430X Address instructions - no extension word needed.
    164      The insn_opnumb field is used to encode the nature of the
    165      instruction for assembly and disassembly purposes.  */
    166   MSP_INSN (calla, -1, 4, 0x1300, 0xff00),
    167 
    168   MSP_INSN (popm,  -1, 5, 0x1600, 0xfe00),
    169   MSP_INSN (pushm, -1, 5, 0x1400, 0xfe00),
    170 
    171   MSP_INSN (rrcm,  -1, 6, 0x0040, 0xf3e0),
    172   MSP_INSN (rram,  -1, 6, 0x0140, 0xf3e0),
    173   MSP_INSN (rlam,  -1, 6, 0x0240, 0xf3e0),
    174   MSP_INSN (rrum,  -1, 6, 0x0340, 0xf3e0),
    175 
    176   MSP_INSN (rrux,  -1, 7, 0x0340, 0xffe0), /* Synthesized in terms of RRUM.  */
    177 
    178   MSP_INSN (adda,  -1, 8, 0x00a0, 0xf0b0),
    179   MSP_INSN (cmpa,  -1, 8, 0x0090, 0xf0b0),
    180   MSP_INSN (suba,  -1, 8, 0x00b0, 0xf0b0),
    181 
    182   MSP_INSN (reta,  -1, 9, 0x0110, 0xffff),
    183   MSP_INSN (bra,   -1, 9, 0x0000, 0xf0cf),
    184   MSP_INSN (mova,  -1, 9, 0x0000, 0xf080),
    185   MSP_INSN (mova,  -1, 9, 0x0080, 0xf0b0),
    186   MSP_INSN (mova,  -1, 9, 0x00c0, 0xf0f0),
    187 
    188   /* Pseudo instruction to set the repeat field in the extension word.  */
    189   MSP_INSN (rpt,   -1, 10, 0x0000, 0x0000),
    190 
    191   /* End of instruction set.  */
    192   { NULL, 0, 0, 0, 0 }
    193 };
    194 
    195 #endif
    196