source: trunk/libs/newlib/src/include/opcode/pdp11.h @ 666

/* PDP-11 opcde list.
   Copyright 2001, 2002, 2010 Free Software Foundation, Inc.

   This file is part of GDB and GAS.

   GDB and GAS are free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   GDB and GAS are distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GDB or GAS; see the file COPYING3.  If not, write to
   the Free Software Foundation, 51 Franklin Street - Fifth Floor,
   Boston, MA 02110-1301, USA.  */

/* PDP-11 opcode types.  */

#define PDP11_OPCODE_NO_OPS      0
#define PDP11_OPCODE_REG         1      /* register */
#define PDP11_OPCODE_OP          2      /* generic operand */
#define PDP11_OPCODE_REG_OP      3      /* register and generic operand */
#define PDP11_OPCODE_REG_OP_REV  4      /* register and generic operand,
                                           reversed syntax */
#define PDP11_OPCODE_AC_FOP      5      /* fpu accumulator and generic float
                                           operand */
#define PDP11_OPCODE_OP_OP       6      /* two generic operands */
#define PDP11_OPCODE_DISPL       7      /* pc-relative displacement */
#define PDP11_OPCODE_REG_DISPL   8      /* redister and pc-relative
                                           displacement */
#define PDP11_OPCODE_IMM8        9      /* 8-bit immediate */
#define PDP11_OPCODE_IMM6       10      /* 6-bit immediate */
#define PDP11_OPCODE_IMM3       11      /* 3-bit immediate */
#define PDP11_OPCODE_ILLEGAL    12      /* illegal instruction */
#define PDP11_OPCODE_FOP_AC     13      /* generic float argument, then fpu
                                           accumulator */
#define PDP11_OPCODE_FOP        14      /* generic float operand */
#define PDP11_OPCODE_AC_OP      15      /* fpu accumulator and generic int
                                           operand */
#define PDP11_OPCODE_OP_AC      16      /* generic int argument, then fpu
                                           accumulator */

/*
 * PDP-11 instruction set extensions.
 *
 * Please keep the numbers low, as they are used as indices into
 * an array.
 */

#define PDP11_NONE       0      /* not in instruction set */
#define PDP11_BASIC      1      /* basic instruction set (11/20 etc) */
#define PDP11_CSM        2      /* commercial instruction set */
#define PDP11_CIS        3      /* commercial instruction set */
#define PDP11_EIS        4      /* extended instruction set (11/45 etc) */
#define PDP11_FIS        5      /* KEV11 floating-point instructions */
#define PDP11_FPP        6      /* FP-11 floating-point instructions */
#define PDP11_LEIS       7      /* limited extended instruction set
                                   (11/40 etc) */
#define PDP11_MFPT       8      /* move from processor type */
#define PDP11_MPROC      9      /* multiprocessor instructions: tstset,
                                   wrtlck */
#define PDP11_MXPS      10      /* move from/to processor status */
#define PDP11_SPL       11      /* set priority level */
#define PDP11_UCODE     12      /* microcode instructions: ldub, med, xfc */
#define PDP11_EXT_NUM   13      /* total number of extension types */

struct pdp11_opcode
{
  const char *name;
  int opcode;
  int mask;
  int type;
  int extension;
};

extern const struct pdp11_opcode pdp11_opcodes[];
extern const struct pdp11_opcode pdp11_aliases[];
extern const int pdp11_num_opcodes, pdp11_num_aliases;

/* end of pdp11.h */