OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [include/] [opcode/] [pdp11.h] - Blame information for rev 840

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn
/* PDP-11 opcde list.
2
   Copyright 2001, 2002 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 1, 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 COPYING.  If not, write to
18
the 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
 
72
struct pdp11_opcode
73
{
74
  const char *name;
75
  int opcode;
76
  int mask;
77
  int type;
78
  int extension;
79
};
80
 
81
extern const struct pdp11_opcode pdp11_opcodes[];
82
extern const struct pdp11_opcode pdp11_aliases[];
83
extern const int pdp11_num_opcodes, pdp11_num_aliases;
84
 
85
/* end of pdp11.h */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.