109 lines
3 KiB
C
109 lines
3 KiB
C
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/* tic80.h -- Header file for TI TMS320C80 (MV) opcode table
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Copyright 1996 Free Software Foundation, Inc.
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Written by Fred Fish (fnf@cygnus.com), Cygnus Support
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using other opcode/*.h files as templates.
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This file is part of GDB, GAS, and the GNU binutils.
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GDB, GAS, and the GNU binutils are free software; you can redistribute
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them and/or modify them under the terms of the GNU General Public
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License as published by the Free Software Foundation; either version
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1, or (at your option) any later version.
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GDB, GAS, and the GNU binutils are distributed in the hope that they
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will be useful, but WITHOUT ANY WARRANTY; without even the implied
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warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this file; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef TIC80_H
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#define TIC80_H
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/* The opcode table is an array of struct TIc80_opcode. */
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struct TIc80_opcode
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{
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/* The opcode name. */
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const char *name;
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/* The opcode itself. Those bits which will be filled in with
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operands are zeroes. */
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unsigned long opcode;
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/* The opcode mask. This is used by the disassembler. This is a
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mask containing ones indicating those bits which must match the
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opcode field, and zeroes indicating those bits which need not
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match (and are presumably filled in by operands). */
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unsigned long mask;
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/* The format of this opcode. */
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unsigned char format;
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/* An array of operand codes. Each code is an index into the
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operand table. They appear in the order which the operands must
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appear in assembly code, and are terminated by a zero. */
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unsigned char operands[8];
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};
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/* The table itself is sorted by major opcode number, and is otherwise
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in the order in which the disassembler should consider
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instructions. */
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extern const struct tic80_opcode tic80_opcodes[];
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extern const int tic80_num_opcodes;
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/* The operands table is an array of struct tic80_operand. */
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struct tic80_operand
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{
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/* The number of bits in the operand. */
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int bits;
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/* How far the operand is left shifted in the instruction. */
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int shift;
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/* One bit syntax flags. */
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int flags;
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};
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/* Elements in the table are retrieved by indexing with values from
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the operands field of the tic80_opcodes table. */
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extern const struct tic80_operand tic80_operands[];
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/* Values defined for the flags field of a struct tic80_operand. */
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#define TIC80_OPERAND_DREG 0x1
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#define TIC80_OPERAND_AREG 0x2
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#define TIC80_OPERAND_PSW 0x4
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#define TIC80_OPERAND_MDR 0x8
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#define TIC80_OPERAND_SIGNED 0x10
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#define TIC80_OPERAND_PROMOTE 0x20
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#define TIC80_OPERAND_PAREN 0x40
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#define TIC80_OPERAND_REPEATED 0x80
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#define TIC80_OPERAND_EXTENDED 0x100
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#define TIC80_OPERAND_PCREL 0x400
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#define TIC80_OPERAND_MEMADDR 0x800
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#define FMT_1 1
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#define FMT_2 2
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#define FMT_3 3
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#define FMT_4 4
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#define FMT_5 5
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#define FMT_6 6
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#define FMT_7 7
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#endif /* TIC80_H */
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