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5191 | serge | 1 | /* PDP-11 opcde list. |
6324 | serge | 2 | Copyright (C) 2001-2015 Free Software Foundation, Inc. |
5191 | serge | 3 | |
4 | This file is part of GDB and GAS. |
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5 | |||
6 | GDB and GAS are free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 3, or (at your option) |
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9 | any later version. |
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10 | |||
11 | GDB and GAS are distributed in the hope that it will be useful, |
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12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | GNU General Public License for more details. |
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15 | |||
16 | You should have received a copy of the GNU General Public License |
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17 | along with GDB or GAS; see the file COPYING3. If not, write to |
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18 | the Free Software Foundation, 51 Franklin Street - Fifth Floor, |
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19 | Boston, MA 02110-1301, USA. */ |
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20 | |||
21 | /* PDP-11 opcode types. */ |
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22 | |||
23 | #define PDP11_OPCODE_NO_OPS 0 |
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24 | #define PDP11_OPCODE_REG 1 /* register */ |
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25 | #define PDP11_OPCODE_OP 2 /* generic operand */ |
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26 | #define PDP11_OPCODE_REG_OP 3 /* register and generic operand */ |
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27 | #define PDP11_OPCODE_REG_OP_REV 4 /* register and generic operand, |
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28 | reversed syntax */ |
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29 | #define PDP11_OPCODE_AC_FOP 5 /* fpu accumulator and generic float |
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30 | operand */ |
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31 | #define PDP11_OPCODE_OP_OP 6 /* two generic operands */ |
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32 | #define PDP11_OPCODE_DISPL 7 /* pc-relative displacement */ |
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33 | #define PDP11_OPCODE_REG_DISPL 8 /* redister and pc-relative |
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34 | displacement */ |
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35 | #define PDP11_OPCODE_IMM8 9 /* 8-bit immediate */ |
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36 | #define PDP11_OPCODE_IMM6 10 /* 6-bit immediate */ |
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37 | #define PDP11_OPCODE_IMM3 11 /* 3-bit immediate */ |
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38 | #define PDP11_OPCODE_ILLEGAL 12 /* illegal instruction */ |
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39 | #define PDP11_OPCODE_FOP_AC 13 /* generic float argument, then fpu |
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40 | accumulator */ |
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41 | #define PDP11_OPCODE_FOP 14 /* generic float operand */ |
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42 | #define PDP11_OPCODE_AC_OP 15 /* fpu accumulator and generic int |
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43 | operand */ |
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44 | #define PDP11_OPCODE_OP_AC 16 /* generic int argument, then fpu |
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45 | accumulator */ |
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46 | |||
47 | /* |
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48 | * PDP-11 instruction set extensions. |
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49 | * |
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50 | * Please keep the numbers low, as they are used as indices into |
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51 | * an array. |
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52 | */ |
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53 | |||
54 | #define PDP11_NONE 0 /* not in instruction set */ |
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55 | #define PDP11_BASIC 1 /* basic instruction set (11/20 etc) */ |
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56 | #define PDP11_CSM 2 /* commercial instruction set */ |
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57 | #define PDP11_CIS 3 /* commercial instruction set */ |
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58 | #define PDP11_EIS 4 /* extended instruction set (11/45 etc) */ |
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59 | #define PDP11_FIS 5 /* KEV11 floating-point instructions */ |
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60 | #define PDP11_FPP 6 /* FP-11 floating-point instructions */ |
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61 | #define PDP11_LEIS 7 /* limited extended instruction set |
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62 | (11/40 etc) */ |
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63 | #define PDP11_MFPT 8 /* move from processor type */ |
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64 | #define PDP11_MPROC 9 /* multiprocessor instructions: tstset, |
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65 | wrtlck */ |
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66 | #define PDP11_MXPS 10 /* move from/to processor status */ |
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67 | #define PDP11_SPL 11 /* set priority level */ |
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68 | #define PDP11_UCODE 12 /* microcode instructions: ldub, med, xfc */ |
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69 | #define PDP11_EXT_NUM 13 /* total number of extension types */ |
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70 | |||
71 | struct pdp11_opcode |
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72 | { |
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73 | const char *name; |
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74 | int opcode; |
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75 | int mask; |
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76 | int type; |
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77 | int extension; |
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78 | }; |
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79 | |||
80 | extern const struct pdp11_opcode pdp11_opcodes[]; |
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81 | extern const struct pdp11_opcode pdp11_aliases[]; |
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82 | extern const int pdp11_num_opcodes, pdp11_num_aliases; |
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83 | |||
84 | /* end of pdp11.h */ |