Annotation of src/external/gpl3/binutils.old/dist/include/opcode/pdp11.h, Revision 1.3
1.1 christos 1: /* PDP-11 opcde list.
1.3 ! christos 2: Copyright (C) 2001-2015 Free Software Foundation, Inc.
1.1 christos 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 3, 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 COPYING3. If not, write to
18: the Free Software Foundation, 51 Franklin Street - Fifth Floor,
19: Boston, MA 02110-1301, USA. */
20:
21: /* PDP-11 opcode types. */
22:
23: #define PDP11_OPCODE_NO_OPS 0
24: #define PDP11_OPCODE_REG 1 /* register */
25: #define PDP11_OPCODE_OP 2 /* generic operand */
26: #define PDP11_OPCODE_REG_OP 3 /* register and generic operand */
27: #define PDP11_OPCODE_REG_OP_REV 4 /* register and generic operand,
28: reversed syntax */
29: #define PDP11_OPCODE_AC_FOP 5 /* fpu accumulator and generic float
30: operand */
31: #define PDP11_OPCODE_OP_OP 6 /* two generic operands */
32: #define PDP11_OPCODE_DISPL 7 /* pc-relative displacement */
33: #define PDP11_OPCODE_REG_DISPL 8 /* redister and pc-relative
34: displacement */
35: #define PDP11_OPCODE_IMM8 9 /* 8-bit immediate */
36: #define PDP11_OPCODE_IMM6 10 /* 6-bit immediate */
37: #define PDP11_OPCODE_IMM3 11 /* 3-bit immediate */
38: #define PDP11_OPCODE_ILLEGAL 12 /* illegal instruction */
39: #define PDP11_OPCODE_FOP_AC 13 /* generic float argument, then fpu
40: accumulator */
41: #define PDP11_OPCODE_FOP 14 /* generic float operand */
42: #define PDP11_OPCODE_AC_OP 15 /* fpu accumulator and generic int
43: operand */
44: #define PDP11_OPCODE_OP_AC 16 /* generic int argument, then fpu
45: accumulator */
46:
47: /*
48: * PDP-11 instruction set extensions.
49: *
50: * Please keep the numbers low, as they are used as indices into
51: * an array.
52: */
53:
54: #define PDP11_NONE 0 /* not in instruction set */
55: #define PDP11_BASIC 1 /* basic instruction set (11/20 etc) */
56: #define PDP11_CSM 2 /* commercial instruction set */
57: #define PDP11_CIS 3 /* commercial instruction set */
58: #define PDP11_EIS 4 /* extended instruction set (11/45 etc) */
59: #define PDP11_FIS 5 /* KEV11 floating-point instructions */
60: #define PDP11_FPP 6 /* FP-11 floating-point instructions */
61: #define PDP11_LEIS 7 /* limited extended instruction set
62: (11/40 etc) */
63: #define PDP11_MFPT 8 /* move from processor type */
64: #define PDP11_MPROC 9 /* multiprocessor instructions: tstset,
65: wrtlck */
66: #define PDP11_MXPS 10 /* move from/to processor status */
67: #define PDP11_SPL 11 /* set priority level */
68: #define PDP11_UCODE 12 /* microcode instructions: ldub, med, xfc */
69: #define PDP11_EXT_NUM 13 /* total number of extension types */
70:
71: struct pdp11_opcode
72: {
73: const char *name;
74: int opcode;
75: int mask;
76: int type;
77: int extension;
78: };
79:
80: extern const struct pdp11_opcode pdp11_opcodes[];
81: extern const struct pdp11_opcode pdp11_aliases[];
82: extern const int pdp11_num_opcodes, pdp11_num_aliases;
83:
84: /* end of pdp11.h */
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