source: trunk/libs/newlib/src/include/opcode/pdp11.h @ 482

Last change on this file since 482 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 3.2 KB
Line 
1/* PDP-11 opcde list.
2   Copyright 2001, 2002, 2010 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 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
71struct pdp11_opcode
72{
73  const char *name;
74  int opcode;
75  int mask;
76  int type;
77  int extension;
78};
79
80extern const struct pdp11_opcode pdp11_opcodes[];
81extern const struct pdp11_opcode pdp11_aliases[];
82extern const int pdp11_num_opcodes, pdp11_num_aliases;
83
84/* end of pdp11.h */
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