include/opcode/mn10300.h

   1 /* mn10300.h -- Header file for Matsushita 10300 opcode table
   2    Copyright 1996, 1997, 1998, 1999, 2003, 2010 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 \f
  71 /* 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 */