139 lines
4.0 KiB
C
139 lines
4.0 KiB
C
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/* mn10300.h -- Header file for Matsushita 10300 opcode table
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Copyright 1996, 1997 Free Software Foundation, Inc.
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Written by Jeff Law, Cygnus Support
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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 MN10300_H
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#define MN10300_H
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/* The opcode table is an array of struct mn10300_opcode. */
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#define MN10300_MAX_OPERANDS 8
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struct mn10300_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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/* A bitmask. For each operand, nonzero if it must not have the same
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register specification as all other operands with a nonzero bit in
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this flag. ie 0x81 would indicate that operands 7 and 0 must not
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match. Note that we count operands from left to right as they appear
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in the operands specification below. */
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unsigned int no_match_operands;
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/* The format of this opcode. */
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unsigned char format;
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/* Bitmask indicating what cpu variants this opcode is available on.
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We assume mn10300 base opcodes are available everywhere, so we only
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have to note opcodes which are available on other variants. */
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unsigned int machine;
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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[MN10300_MAX_OPERANDS];
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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 mn10300_opcode mn10300_opcodes[];
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extern const int mn10300_num_opcodes;
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/* The operands table is an array of struct mn10300_operand. */
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struct mn10300_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 mn10300_opcodes table. */
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extern const struct mn10300_operand mn10300_operands[];
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/* Values defined for the flags field of a struct mn10300_operand. */
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#define MN10300_OPERAND_DREG 0x1
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#define MN10300_OPERAND_AREG 0x2
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#define MN10300_OPERAND_SP 0x4
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#define MN10300_OPERAND_PSW 0x8
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#define MN10300_OPERAND_MDR 0x10
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#define MN10300_OPERAND_SIGNED 0x20
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#define MN10300_OPERAND_PROMOTE 0x40
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#define MN10300_OPERAND_PAREN 0x80
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#define MN10300_OPERAND_REPEATED 0x100
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#define MN10300_OPERAND_EXTENDED 0x200
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#define MN10300_OPERAND_SPLIT 0x400
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#define MN10300_OPERAND_REG_LIST 0x800
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#define MN10300_OPERAND_PCREL 0x1000
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#define MN10300_OPERAND_MEMADDR 0x2000
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#define MN10300_OPERAND_RELAX 0x4000
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/* Opcode Formats. */
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#define FMT_S0 1
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#define FMT_S1 2
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#define FMT_S2 3
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#define FMT_S4 4
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#define FMT_S6 5
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#define FMT_D0 6
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#define FMT_D1 7
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#define FMT_D2 8
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#define FMT_D4 9
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#define FMT_D5 10
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/* Variants of the mn10300 which have additional opcodes. */
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#define MN103 300
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#define AM30 300
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#endif /* MN10300_H */
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