1/* mn10300.h -- Header file for Matsushita 10300 opcode table
2   Copyright 1996, 1997, 1998, 1999, 2003 Free Software Foundation, Inc.
3   Written by Jeff Law, Cygnus Support
4
5This file is part of GDB, GAS, and the GNU binutils.
6
7GDB, GAS, and the GNU binutils are free software; you can redistribute
8them and/or modify them under the terms of the GNU General Public
9License as published by the Free Software Foundation; either version
101, or (at your option) any later version.
11
12GDB, GAS, and the GNU binutils are distributed in the hope that they
13will be useful, but WITHOUT ANY WARRANTY; without even the implied
14warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
15the GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with this file; see the file COPYING.  If not, write to the Free
19Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
20
21#ifndef MN10300_H
22#define MN10300_H
23
24/* The opcode table is an array of struct mn10300_opcode.  */
25
26#define MN10300_MAX_OPERANDS 8
27struct mn10300_opcode
28{
29  /* The opcode name.  */
30  const char *name;
31
32  /* The opcode itself.  Those bits which will be filled in with
33     operands are zeroes.  */
34  unsigned long opcode;
35
36  /* The opcode mask.  This is used by the disassembler.  This is a
37     mask containing ones indicating those bits which must match the
38     opcode field, and zeroes indicating those bits which need not
39     match (and are presumably filled in by operands).  */
40  unsigned long mask;
41
42  /* A bitmask.  For each operand, nonzero if it must not have the same
43     register specification as all other operands with a nonzero bit in
44     this flag.  ie 0x81 would indicate that operands 7 and 0 must not
45     match.  Note that we count operands from left to right as they appear
46     in the operands specification below.  */
47  unsigned int no_match_operands;
48
49  /* The format of this opcode.  */
50  unsigned char format;
51
52  /* Bitmask indicating what cpu variants this opcode is available on.
53     We assume mn10300 base opcodes are available everywhere, so we only
54     have to note opcodes which are available on other variants.  */
55  unsigned int machine;
56
57  /* An array of operand codes.  Each code is an index into the
58     operand table.  They appear in the order which the operands must
59     appear in assembly code, and are terminated by a zero.  */
60  unsigned char operands[MN10300_MAX_OPERANDS];
61};
62
63/* The table itself is sorted by major opcode number, and is otherwise
64   in the order in which the disassembler should consider
65   instructions.  */
66extern const struct mn10300_opcode mn10300_opcodes[];
67extern const int mn10300_num_opcodes;
68
69
70/* The operands table is an array of struct mn10300_operand.  */
71
72struct mn10300_operand
73{
74  /* The number of bits in the operand.  */
75  int bits;
76
77  /* How far the operand is left shifted in the instruction.  */
78  int shift;
79
80  /* One bit syntax flags.  */
81  int flags;
82};
83
84/* Elements in the table are retrieved by indexing with values from
85   the operands field of the mn10300_opcodes table.  */
86
87extern const struct mn10300_operand mn10300_operands[];
88
89/* Values defined for the flags field of a struct mn10300_operand.  */
90#define MN10300_OPERAND_DREG 0x1
91
92#define MN10300_OPERAND_AREG 0x2
93
94#define MN10300_OPERAND_SP 0x4
95
96#define MN10300_OPERAND_PSW 0x8
97
98#define MN10300_OPERAND_MDR 0x10
99
100#define MN10300_OPERAND_SIGNED 0x20
101
102#define MN10300_OPERAND_PROMOTE 0x40
103
104#define MN10300_OPERAND_PAREN 0x80
105
106#define MN10300_OPERAND_REPEATED 0x100
107
108#define MN10300_OPERAND_EXTENDED 0x200
109
110#define MN10300_OPERAND_SPLIT 0x400
111
112#define MN10300_OPERAND_REG_LIST 0x800
113
114#define MN10300_OPERAND_PCREL 0x1000
115
116#define MN10300_OPERAND_MEMADDR 0x2000
117
118#define MN10300_OPERAND_RELAX 0x4000
119
120#define MN10300_OPERAND_USP 0x8000
121
122#define MN10300_OPERAND_SSP 0x10000
123
124#define MN10300_OPERAND_MSP 0x20000
125
126#define MN10300_OPERAND_PC 0x40000
127
128#define MN10300_OPERAND_EPSW 0x80000
129
130#define MN10300_OPERAND_RREG 0x100000
131
132#define MN10300_OPERAND_XRREG 0x200000
133
134#define MN10300_OPERAND_PLUS 0x400000
135
136#define MN10300_OPERAND_24BIT 0x800000
137
138#define MN10300_OPERAND_FSREG 0x1000000
139
140#define MN10300_OPERAND_FDREG 0x2000000
141
142#define MN10300_OPERAND_FPCR 0x4000000
143
144/* Opcode Formats.  */
145#define FMT_S0 1
146#define FMT_S1 2
147#define FMT_S2 3
148#define FMT_S4 4
149#define FMT_S6 5
150#define FMT_D0 6
151#define FMT_D1 7
152#define FMT_D2 8
153#define FMT_D4 9
154#define FMT_D5 10
155#define FMT_D6 11
156#define FMT_D7 12
157#define FMT_D8 13
158#define FMT_D9 14
159#define FMT_D10 15
160#define FMT_D3 16
161
162/* Variants of the mn10300 which have additional opcodes.  */
163#define MN103 300
164#define AM30  300
165
166#define AM33 330
167#define AM33_2 332
168
169#endif /* MN10300_H */
170