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      1 /* mn10300.h -- Header file for Matsushita 10300 opcode table
      2    Copyright (C) 1996-2016 Free Software Foundation, Inc.
      3    Written by Jeff Law, Cygnus Support
      4 
      5    This file is part of GDB, GAS, and the GNU binutils.
      6 
      7    GDB, GAS, and the GNU binutils are free software; you can redistribute
      8    them and/or modify them under the terms of the GNU General Public
      9    License as published by the Free Software Foundation; either version 3,
     10    or (at your option) any later version.
     11 
     12    GDB, GAS, and the GNU binutils are distributed in the hope that they
     13    will be useful, but WITHOUT ANY WARRANTY; without even the implied
     14    warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
     15    the GNU General Public License for more details.
     16 
     17    You should have received a copy of the GNU General Public License
     18    along with this file; see the file COPYING3.  If not, write to the Free
     19    Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
     20    MA 02110-1301, USA.  */
     21 
     22 #ifndef MN10300_H
     23 #define MN10300_H
     24 
     25 /* The opcode table is an array of struct mn10300_opcode.  */
     26 
     27 #define MN10300_MAX_OPERANDS 8
     28 struct mn10300_opcode
     29 {
     30   /* The opcode name.  */
     31   const char *name;
     32 
     33   /* The opcode itself.  Those bits which will be filled in with
     34      operands are zeroes.  */
     35   unsigned long opcode;
     36 
     37   /* The opcode mask.  This is used by the disassembler.  This is a
     38      mask containing ones indicating those bits which must match the
     39      opcode field, and zeroes indicating those bits which need not
     40      match (and are presumably filled in by operands).  */
     41   unsigned long mask;
     42 
     43   /* A bitmask.  For each operand, nonzero if it must not have the same
     44      register specification as all other operands with a nonzero bit in
     45      this flag.  ie 0x81 would indicate that operands 7 and 0 must not
     46      match.  Note that we count operands from left to right as they appear
     47      in the operands specification below.  */
     48   unsigned int no_match_operands;
     49 
     50   /* The format of this opcode.  */
     51   unsigned char format;
     52 
     53   /* Bitmask indicating what cpu variants this opcode is available on.
     54      We assume mn10300 base opcodes are available everywhere, so we only
     55      have to note opcodes which are available on other variants.  */
     56   unsigned int machine;
     57 
     58   /* An array of operand codes.  Each code is an index into the
     59      operand table.  They appear in the order which the operands must
     60      appear in assembly code, and are terminated by a zero.  */
     61   unsigned char operands[MN10300_MAX_OPERANDS];
     62 };
     63 
     64 /* The table itself is sorted by major opcode number, and is otherwise
     65    in the order in which the disassembler should consider
     66    instructions.  */
     67 extern const struct mn10300_opcode mn10300_opcodes[];
     68 extern const int mn10300_num_opcodes;
     69 
     70 
     71 /* The operands table is an array of struct mn10300_operand.  */
     73 
     74 struct mn10300_operand
     75 {
     76   /* The number of bits in the operand.  */
     77   int bits;
     78 
     79   /* How far the operand is left shifted in the instruction.  */
     80   int shift;
     81 
     82   /* One bit syntax flags.  */
     83   int flags;
     84 };
     85 
     86 /* Elements in the table are retrieved by indexing with values from
     87    the operands field of the mn10300_opcodes table.  */
     88 
     89 extern const struct mn10300_operand mn10300_operands[];
     90 
     91 /* Values defined for the flags field of a struct mn10300_operand.  */
     92 #define MN10300_OPERAND_DREG 0x1
     93 
     94 #define MN10300_OPERAND_AREG 0x2
     95 
     96 #define MN10300_OPERAND_SP 0x4
     97 
     98 #define MN10300_OPERAND_PSW 0x8
     99 
    100 #define MN10300_OPERAND_MDR 0x10
    101 
    102 #define MN10300_OPERAND_SIGNED 0x20
    103 
    104 #define MN10300_OPERAND_PROMOTE 0x40
    105 
    106 #define MN10300_OPERAND_PAREN 0x80
    107 
    108 #define MN10300_OPERAND_REPEATED 0x100
    109 
    110 #define MN10300_OPERAND_EXTENDED 0x200
    111 
    112 #define MN10300_OPERAND_SPLIT 0x400
    113 
    114 #define MN10300_OPERAND_REG_LIST 0x800
    115 
    116 #define MN10300_OPERAND_PCREL 0x1000
    117 
    118 #define MN10300_OPERAND_MEMADDR 0x2000
    119 
    120 #define MN10300_OPERAND_RELAX 0x4000
    121 
    122 #define MN10300_OPERAND_USP 0x8000
    123 
    124 #define MN10300_OPERAND_SSP 0x10000
    125 
    126 #define MN10300_OPERAND_MSP 0x20000
    127 
    128 #define MN10300_OPERAND_PC 0x40000
    129 
    130 #define MN10300_OPERAND_EPSW 0x80000
    131 
    132 #define MN10300_OPERAND_RREG 0x100000
    133 
    134 #define MN10300_OPERAND_XRREG 0x200000
    135 
    136 #define MN10300_OPERAND_PLUS 0x400000
    137 
    138 #define MN10300_OPERAND_24BIT 0x800000
    139 
    140 #define MN10300_OPERAND_FSREG 0x1000000
    141 
    142 #define MN10300_OPERAND_FDREG 0x2000000
    143 
    144 #define MN10300_OPERAND_FPCR 0x4000000
    145 
    146 /* Opcode Formats.  */
    147 #define FMT_S0 1
    148 #define FMT_S1 2
    149 #define FMT_S2 3
    150 #define FMT_S4 4
    151 #define FMT_S6 5
    152 #define FMT_D0 6
    153 #define FMT_D1 7
    154 #define FMT_D2 8
    155 #define FMT_D4 9
    156 #define FMT_D5 10
    157 #define FMT_D6 11
    158 #define FMT_D7 12
    159 #define FMT_D8 13
    160 #define FMT_D9 14
    161 #define FMT_D10 15
    162 #define FMT_D3 16
    163 
    164 /* Variants of the mn10300 which have additional opcodes.  */
    165 #define MN103 300
    166 #define AM30  300
    167 
    168 #define AM33 330
    169 #define AM33_2 332
    170 
    171 #endif /* MN10300_H */
    172