include/opcode/mn10300.h

   1 /* mn10300.h -- Header file for Matsushita 10300 opcode table
   2    Copyright 1996, 1997 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 \f
  70 /* The operands table is an array of struct mn10300_operand.  */
  71
  72 struct mn10300_operand
  73 {
  74   /* The number of bits in the operand.  */
  75   int bits;
  76
  77   /* How far the operand is left shifted in the instruction.  */
  78   int shift;
  79
  80   /* One bit syntax flags.  */
  81   int flags;
  82 };
  83
  84 /* Elements in the table are retrieved by indexing with values from
  85    the operands field of the mn10300_opcodes table.  */
  86
  87 extern const struct mn10300_operand mn10300_operands[];
  88
  89 /* Values defined for the flags field of a struct mn10300_operand.  */
  90 #define MN10300_OPERAND_DREG 0x1
  91
  92 #define MN10300_OPERAND_AREG 0x2
  93
  94 #define MN10300_OPERAND_SP 0x4
  95
  96 #define MN10300_OPERAND_PSW 0x8
  97
  98 #define MN10300_OPERAND_MDR 0x10
  99
 100 #define MN10300_OPERAND_SIGNED 0x20
 101
 102 #define MN10300_OPERAND_PROMOTE 0x40
 103
 104 #define MN10300_OPERAND_PAREN 0x80
 105
 106 #define MN10300_OPERAND_REPEATED 0x100
 107
 108 #define MN10300_OPERAND_EXTENDED 0x200
 109
 110 #define MN10300_OPERAND_SPLIT 0x400
 111
 112 #define MN10300_OPERAND_REG_LIST 0x800
 113
 114 #define MN10300_OPERAND_PCREL 0x1000
 115
 116 #define MN10300_OPERAND_MEMADDR 0x2000
 117
 118 #define MN10300_OPERAND_RELAX 0x4000
 119
 120 #define MN10300_OPERAND_USP 0x8000
 121
 122 #define MN10300_OPERAND_SSP 0x10000
 123
 124 #define MN10300_OPERAND_MSP 0x20000
 125
 126 #define MN10300_OPERAND_PC 0x40000
 127
 128 #define MN10300_OPERAND_EPSW 0x80000
 129
 130 #define MN10300_OPERAND_RREG 0x100000
 131
 132 #define MN10300_OPERAND_XRREG 0x200000
 133
 134 #define MN10300_OPERAND_PLUS 0x400000
 135
 136 #define MN10300_OPERAND_24BIT 0x800000
 137
 138 /* Opcode Formats.  */
 139 #define FMT_S0 1
 140 #define FMT_S1 2
 141 #define FMT_S2 3
 142 #define FMT_S4 4
 143 #define FMT_S6 5
 144 #define FMT_D0 6
 145 #define FMT_D1 7
 146 #define FMT_D2 8
 147 #define FMT_D4 9
 148 #define FMT_D5 10
 149 #define FMT_D6 11
 150 #define FMT_D7 12
 151 #define FMT_D8 13
 152 #define FMT_D9 14
 153 #define FMT_D10 15
 154
 155 /* Variants of the mn10300 which have additional opcodes.  */
 156 #define MN103 300
 157 #define AM30  300
 158
 159 #define AM33 330
 160
 161 #endif /* MN10300_H */