include/opcode/pdp11.h

   1 /* PDP-11 opcde list.
   2    Copyright 2001 Free Software Foundation, Inc.
   3
   4 This file is part of GDB and GAS.
   5
   6 GDB and GAS are free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 1, or (at your option)
   9 any later version.
  10
  11 GDB and GAS are distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GDB or GAS; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /*
  21  * PDP-11 opcode types.
  22  */
  23
  24 #define PDP11_OPCODE_NO_OPS      0
  25 #define PDP11_OPCODE_REG         1      /* register */
  26 #define PDP11_OPCODE_OP          2      /* generic operand */
  27 #define PDP11_OPCODE_REG_OP      3      /* register and generic operand */
  28 #define PDP11_OPCODE_REG_OP_REV  4      /* register and generic operand,
  29                                            reversed syntax */
  30 #define PDP11_OPCODE_AC_OP       5      /* fpu accumulator and generic
  31                                            operand */
  32 #define PDP11_OPCODE_OP_OP       6      /* two generic operands */
  33 #define PDP11_OPCODE_DISPL       7      /* pc-relative displacement */
  34 #define PDP11_OPCODE_REG_DISPL   8      /* redister and pc-relative
  35                                            displacement */
  36 #define PDP11_OPCODE_IMM8        9      /* 8-bit immediate */
  37 #define PDP11_OPCODE_IMM6       10      /* 6-bit immediate */
  38 #define PDP11_OPCODE_IMM3       11      /* 3-bit immediate */
  39 #define PDP11_OPCODE_ILLEGAL    12      /* illegal instruction */
  40
  41 /*
  42  * PDP-11 instruction set extensions.
  43  *
  44  * Please keep the numbers low, as they are used as indices into
  45  * an array.
  46  */
  47
  48 #define PDP11_NONE       0      /* not in instruction set */
  49 #define PDP11_BASIC      1      /* basic instruction set (11/20 etc) */
  50 #define PDP11_CSM        2      /* commercial instruction set */
  51 #define PDP11_CIS        3      /* commercial instruction set */
  52 #define PDP11_EIS        4      /* extended instruction set (11/45 etc) */
  53 #define PDP11_FIS        5      /* KEV11 floating-point instructions */
  54 #define PDP11_FPP        6      /* FP-11 floating-point instructions */
  55 #define PDP11_LEIS       7      /* limited extended instruction set
  56                                    (11/40 etc) */
  57 #define PDP11_MFPT       8      /* move from processor type */
  58 #define PDP11_MPROC      9      /* multiprocessor instructions: tstset,
  59                                    wrtlck */
  60 #define PDP11_MXPS      10      /* move from/to processor status */
  61 #define PDP11_SPL       11      /* set priority level */
  62 #define PDP11_UCODE     12      /* microcode instructions: ldub, med, xfc */
  63 #define PDP11_EXT_NUM   13      /* total number of extension types */
  64
  65 struct pdp11_opcode
  66 {
  67   const char *name;
  68   int opcode;
  69   int mask;
  70   int type;
  71   int extension;
  72 };
  73
  74 extern const struct pdp11_opcode pdp11_opcodes[];
  75 extern const struct pdp11_opcode pdp11_aliases[];
  76 extern const int pdp11_num_opcodes, pdp11_num_aliases;
  77
  78 /* end of pdp11.h */