include/opcode/tic80.h

   1 /* tic80.h -- Header file for TI TMS320C80 (MV) opcode table
   2    Copyright 1996 Free Software Foundation, Inc.
   3    Written by Fred Fish (fnf@cygnus.com), Cygnus Support
   4    using other opcode/*.h files as templates.
   5
   6 This file is part of GDB, GAS, and the GNU binutils.
   7
   8 GDB, GAS, and the GNU binutils are free software; you can redistribute
   9 them and/or modify them under the terms of the GNU General Public
  10 License as published by the Free Software Foundation; either version
  11 1, or (at your option) any later version.
  12
  13 GDB, GAS, and the GNU binutils are distributed in the hope that they
  14 will be useful, but WITHOUT ANY WARRANTY; without even the implied
  15 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
  16 the GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with this file; see the file COPYING.  If not, write to the Free
  20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  21
  22 #ifndef TIC80_H
  23 #define TIC80_H
  24
  25 /* The opcode table is an array of struct TIc80_opcode.  */
  26
  27 struct TIc80_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   /* The format of this opcode.  */
  43   unsigned char format;
  44
  45   /* An array of operand codes.  Each code is an index into the
  46      operand table.  They appear in the order which the operands must
  47      appear in assembly code, and are terminated by a zero.  */
  48   unsigned char operands[8];
  49 };
  50
  51 /* The table itself is sorted by major opcode number, and is otherwise
  52    in the order in which the disassembler should consider
  53    instructions.  */
  54 extern const struct tic80_opcode tic80_opcodes[];
  55 extern const int tic80_num_opcodes;
  56
  57 \f
  58 /* The operands table is an array of struct tic80_operand.  */
  59
  60 struct tic80_operand
  61 {
  62   /* The number of bits in the operand.  */
  63   int bits;
  64
  65   /* How far the operand is left shifted in the instruction.  */
  66   int shift;
  67
  68   /* One bit syntax flags.  */
  69   int flags;
  70 };
  71
  72 /* Elements in the table are retrieved by indexing with values from
  73    the operands field of the tic80_opcodes table.  */
  74
  75 extern const struct tic80_operand tic80_operands[];
  76
  77 /* Values defined for the flags field of a struct tic80_operand.  */
  78 #define TIC80_OPERAND_DREG 0x1
  79
  80 #define TIC80_OPERAND_AREG 0x2
  81
  82 #define TIC80_OPERAND_PSW 0x4
  83
  84 #define TIC80_OPERAND_MDR 0x8
  85
  86 #define TIC80_OPERAND_SIGNED 0x10
  87
  88 #define TIC80_OPERAND_PROMOTE 0x20
  89
  90 #define TIC80_OPERAND_PAREN 0x40
  91
  92 #define TIC80_OPERAND_REPEATED 0x80
  93
  94 #define TIC80_OPERAND_EXTENDED 0x100
  95
  96 #define TIC80_OPERAND_PCREL 0x400
  97
  98 #define TIC80_OPERAND_MEMADDR 0x800
  99
 100 #define FMT_1 1
 101 #define FMT_2 2
 102 #define FMT_3 3
 103 #define FMT_4 4
 104 #define FMT_5 5
 105 #define FMT_6 6
 106 #define FMT_7 7
 107
 108 #endif /* TIC80_H */