1/* PDP-11 opcde list. 2 Copyright 2001, 2002 Free Software Foundation, Inc. 3 4This file is part of GDB and GAS. 5 6GDB and GAS are free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 1, or (at your option) 9any later version. 10 11GDB and GAS are distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GDB or GAS; see the file COPYING. If not, write to 18the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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_FOP 5 /* fpu accumulator and generic float 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#define PDP11_OPCODE_FOP_AC 13 /* generic float argument, then fpu 41 accumulator */ 42#define PDP11_OPCODE_FOP 14 /* generic float operand */ 43#define PDP11_OPCODE_AC_OP 15 /* fpu accumulator and generic int 44 operand */ 45#define PDP11_OPCODE_OP_AC 16 /* generic int argument, then fpu 46 accumulator */ 47 48/* 49 * PDP-11 instruction set extensions. 50 * 51 * Please keep the numbers low, as they are used as indices into 52 * an array. 53 */ 54 55#define PDP11_NONE 0 /* not in instruction set */ 56#define PDP11_BASIC 1 /* basic instruction set (11/20 etc) */ 57#define PDP11_CSM 2 /* commercial instruction set */ 58#define PDP11_CIS 3 /* commercial instruction set */ 59#define PDP11_EIS 4 /* extended instruction set (11/45 etc) */ 60#define PDP11_FIS 5 /* KEV11 floating-point instructions */ 61#define PDP11_FPP 6 /* FP-11 floating-point instructions */ 62#define PDP11_LEIS 7 /* limited extended instruction set 63 (11/40 etc) */ 64#define PDP11_MFPT 8 /* move from processor type */ 65#define PDP11_MPROC 9 /* multiprocessor instructions: tstset, 66 wrtlck */ 67#define PDP11_MXPS 10 /* move from/to processor status */ 68#define PDP11_SPL 11 /* set priority level */ 69#define PDP11_UCODE 12 /* microcode instructions: ldub, med, xfc */ 70#define PDP11_EXT_NUM 13 /* total number of extension types */ 71 72struct pdp11_opcode 73{ 74 const char *name; 75 int opcode; 76 int mask; 77 int type; 78 int extension; 79}; 80 81extern const struct pdp11_opcode pdp11_opcodes[]; 82extern const struct pdp11_opcode pdp11_aliases[]; 83extern const int pdp11_num_opcodes, pdp11_num_aliases; 84 85/* end of pdp11.h */ 86