00001 /* PDP-11 opcde list. 00002 Copyright 2001, 2002 Free Software Foundation, Inc. 00003 00004 This file is part of GDB and GAS. 00005 00006 GDB and GAS are free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 1, or (at your option) 00009 any later version. 00010 00011 GDB and GAS are distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with GDB or GAS; see the file COPYING. If not, write to 00018 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 00019 00020 /* 00021 * PDP-11 opcode types. 00022 */ 00023 00024 #define PDP11_OPCODE_NO_OPS 0 00025 #define PDP11_OPCODE_REG 1 /* register */ 00026 #define PDP11_OPCODE_OP 2 /* generic operand */ 00027 #define PDP11_OPCODE_REG_OP 3 /* register and generic operand */ 00028 #define PDP11_OPCODE_REG_OP_REV 4 /* register and generic operand, 00029 reversed syntax */ 00030 #define PDP11_OPCODE_AC_FOP 5 /* fpu accumulator and generic float 00031 operand */ 00032 #define PDP11_OPCODE_OP_OP 6 /* two generic operands */ 00033 #define PDP11_OPCODE_DISPL 7 /* pc-relative displacement */ 00034 #define PDP11_OPCODE_REG_DISPL 8 /* redister and pc-relative 00035 displacement */ 00036 #define PDP11_OPCODE_IMM8 9 /* 8-bit immediate */ 00037 #define PDP11_OPCODE_IMM6 10 /* 6-bit immediate */ 00038 #define PDP11_OPCODE_IMM3 11 /* 3-bit immediate */ 00039 #define PDP11_OPCODE_ILLEGAL 12 /* illegal instruction */ 00040 #define PDP11_OPCODE_FOP_AC 13 /* generic float argument, then fpu 00041 accumulator */ 00042 #define PDP11_OPCODE_FOP 14 /* generic float operand */ 00043 #define PDP11_OPCODE_AC_OP 15 /* fpu accumulator and generic int 00044 operand */ 00045 #define PDP11_OPCODE_OP_AC 16 /* generic int argument, then fpu 00046 accumulator */ 00047 00048 /* 00049 * PDP-11 instruction set extensions. 00050 * 00051 * Please keep the numbers low, as they are used as indices into 00052 * an array. 00053 */ 00054 00055 #define PDP11_NONE 0 /* not in instruction set */ 00056 #define PDP11_BASIC 1 /* basic instruction set (11/20 etc) */ 00057 #define PDP11_CSM 2 /* commercial instruction set */ 00058 #define PDP11_CIS 3 /* commercial instruction set */ 00059 #define PDP11_EIS 4 /* extended instruction set (11/45 etc) */ 00060 #define PDP11_FIS 5 /* KEV11 floating-point instructions */ 00061 #define PDP11_FPP 6 /* FP-11 floating-point instructions */ 00062 #define PDP11_LEIS 7 /* limited extended instruction set 00063 (11/40 etc) */ 00064 #define PDP11_MFPT 8 /* move from processor type */ 00065 #define PDP11_MPROC 9 /* multiprocessor instructions: tstset, 00066 wrtlck */ 00067 #define PDP11_MXPS 10 /* move from/to processor status */ 00068 #define PDP11_SPL 11 /* set priority level */ 00069 #define PDP11_UCODE 12 /* microcode instructions: ldub, med, xfc */ 00070 #define PDP11_EXT_NUM 13 /* total number of extension types */ 00071 00072 struct pdp11_opcode 00073 { 00074 const char *name; 00075 int opcode; 00076 int mask; 00077 int type; 00078 int extension; 00079 }; 00080 00081 extern const struct pdp11_opcode pdp11_opcodes[]; 00082 extern const struct pdp11_opcode pdp11_aliases[]; 00083 extern const int pdp11_num_opcodes, pdp11_num_aliases; 00084 00085 /* end of pdp11.h */
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