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mn10300.h revision 1.1
      1 /* mn10300.h -- Header file for Matsushita 10300 opcode table
      2    Copyright 1996, 1997, 1998, 1999, 2003 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
     10 1, 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 COPYING.  If not, write to the Free
     19 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
     20 
     21 #ifndef MN10300_H
     22 #define MN10300_H
     23 
     24 /* The opcode table is an array of struct mn10300_opcode.  */
     25 
     26 #define MN10300_MAX_OPERANDS 8
     27 struct mn10300_opcode
     28 {
     29   /* The opcode name.  */
     30   const char *name;
     31 
     32   /* The opcode itself.  Those bits which will be filled in with
     33      operands are zeroes.  */
     34   unsigned long opcode;
     35 
     36   /* The opcode mask.  This is used by the disassembler.  This is a
     37      mask containing ones indicating those bits which must match the
     38      opcode field, and zeroes indicating those bits which need not
     39      match (and are presumably filled in by operands).  */
     40   unsigned long mask;
     41 
     42   /* A bitmask.  For each operand, nonzero if it must not have the same
     43      register specification as all other operands with a nonzero bit in
     44      this flag.  ie 0x81 would indicate that operands 7 and 0 must not
     45      match.  Note that we count operands from left to right as they appear
     46      in the operands specification below.  */
     47   unsigned int no_match_operands;
     48 
     49   /* The format of this opcode.  */
     50   unsigned char format;
     51 
     52   /* Bitmask indicating what cpu variants this opcode is available on.
     53      We assume mn10300 base opcodes are available everywhere, so we only
     54      have to note opcodes which are available on other variants.  */
     55   unsigned int machine;
     56 
     57   /* An array of operand codes.  Each code is an index into the
     58      operand table.  They appear in the order which the operands must
     59      appear in assembly code, and are terminated by a zero.  */
     60   unsigned char operands[MN10300_MAX_OPERANDS];
     61 };
     62 
     63 /* The table itself is sorted by major opcode number, and is otherwise
     64    in the order in which the disassembler should consider
     65    instructions.  */
     66 extern const struct mn10300_opcode mn10300_opcodes[];
     67 extern const int mn10300_num_opcodes;
     68 
     69 
     70 /* The operands table is an array of struct mn10300_operand.  */
     72 
     73 struct mn10300_operand
     74 {
     75   /* The number of bits in the operand.  */
     76   int bits;
     77 
     78   /* How far the operand is left shifted in the instruction.  */
     79   int shift;
     80 
     81   /* One bit syntax flags.  */
     82   int flags;
     83 };
     84 
     85 /* Elements in the table are retrieved by indexing with values from
     86    the operands field of the mn10300_opcodes table.  */
     87 
     88 extern const struct mn10300_operand mn10300_operands[];
     89 
     90 /* Values defined for the flags field of a struct mn10300_operand.  */
     91 #define MN10300_OPERAND_DREG 0x1
     92 
     93 #define MN10300_OPERAND_AREG 0x2
     94 
     95 #define MN10300_OPERAND_SP 0x4
     96 
     97 #define MN10300_OPERAND_PSW 0x8
     98 
     99 #define MN10300_OPERAND_MDR 0x10
    100 
    101 #define MN10300_OPERAND_SIGNED 0x20
    102 
    103 #define MN10300_OPERAND_PROMOTE 0x40
    104 
    105 #define MN10300_OPERAND_PAREN 0x80
    106 
    107 #define MN10300_OPERAND_REPEATED 0x100
    108 
    109 #define MN10300_OPERAND_EXTENDED 0x200
    110 
    111 #define MN10300_OPERAND_SPLIT 0x400
    112 
    113 #define MN10300_OPERAND_REG_LIST 0x800
    114 
    115 #define MN10300_OPERAND_PCREL 0x1000
    116 
    117 #define MN10300_OPERAND_MEMADDR 0x2000
    118 
    119 #define MN10300_OPERAND_RELAX 0x4000
    120 
    121 #define MN10300_OPERAND_USP 0x8000
    122 
    123 #define MN10300_OPERAND_SSP 0x10000
    124 
    125 #define MN10300_OPERAND_MSP 0x20000
    126 
    127 #define MN10300_OPERAND_PC 0x40000
    128 
    129 #define MN10300_OPERAND_EPSW 0x80000
    130 
    131 #define MN10300_OPERAND_RREG 0x100000
    132 
    133 #define MN10300_OPERAND_XRREG 0x200000
    134 
    135 #define MN10300_OPERAND_PLUS 0x400000
    136 
    137 #define MN10300_OPERAND_24BIT 0x800000
    138 
    139 #define MN10300_OPERAND_FSREG 0x1000000
    140 
    141 #define MN10300_OPERAND_FDREG 0x2000000
    142 
    143 #define MN10300_OPERAND_FPCR 0x4000000
    144 
    145 /* Opcode Formats.  */
    146 #define FMT_S0 1
    147 #define FMT_S1 2
    148 #define FMT_S2 3
    149 #define FMT_S4 4
    150 #define FMT_S6 5
    151 #define FMT_D0 6
    152 #define FMT_D1 7
    153 #define FMT_D2 8
    154 #define FMT_D4 9
    155 #define FMT_D5 10
    156 #define FMT_D6 11
    157 #define FMT_D7 12
    158 #define FMT_D8 13
    159 #define FMT_D9 14
    160 #define FMT_D10 15
    161 #define FMT_D3 16
    162 
    163 /* Variants of the mn10300 which have additional opcodes.  */
    164 #define MN103 300
    165 #define AM30  300
    166 
    167 #define AM33 330
    168 #define AM33_2 332
    169 
    170 #endif /* MN10300_H */
    171