summaryrefslogtreecommitdiffstats
path: root/opcodes/sh64-opc.h
blob: a12035a8bb3719fc97ec45860724d377ab7b5d1c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/* Declarations for SH64 opcodes.
   Copyright (C) 2000, 2001, 2002, 2005, 2007 Free Software Foundation, Inc.

   This file is part of the GNU opcodes library.

   This library is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3, or (at your option)
   any later version.

   It is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.

   You should have received a copy of the GNU General Public License
   along with this file; see the file COPYING.  If not, write to the
   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */

#ifndef _SH64_OPC_INCLUDED_H
#define _SH64_OPC_INCLUDED_H

typedef enum
{
  /* A placeholder.  */
  OFFSET_NONE = 0,

  /* Bit number for where to insert operand.  */
  OFFSET_4  = 4,
  OFFSET_9  = 9,
  OFFSET_10 = 10,
  OFFSET_20 = 20
} shmedia_nibble_type;

typedef enum {
  /* First a placeholder.  */
  A_NONE = 0,

  /* Registers.  */
  A_GREG_M,
  A_GREG_N,
  A_GREG_D,
  A_FREG_G,
  A_FREG_H,
  A_FREG_F,
  A_DREG_G,
  A_DREG_H,
  A_DREG_F,
  A_FVREG_G,
  A_FVREG_H,
  A_FVREG_F,
  A_FMREG_G,
  A_FMREG_H,
  A_FMREG_F,
  A_FPREG_G,
  A_FPREG_H,
  A_FPREG_F,
  A_TREG_A,
  A_TREG_B,
  A_CREG_K,
  A_CREG_J,

  /* This one is only used in a shmedia_get_operand.  */
  A_IMMM,

  /* Copy of previous register.  */
  A_REUSE_PREV,

  /* Unsigned 5-bit operand.  */
  A_IMMU5,

  /* Signed 6-bit operand.  */
  A_IMMS6,

  /* Signed operand, 6 bits << 5.  */
  A_IMMS6BY32,

  /* Unsigned 6-bit operand.  */
  A_IMMU6,

  /* Signed 10-bit operand.  */
  A_IMMS10,

  /* Signed operand, 10 bits << 0.  */
  A_IMMS10BY1,

  /* Signed operand, 10 bits << 1.  */
  A_IMMS10BY2,

  /* Signed operand, 10 bits << 2.  */
  A_IMMS10BY4,

  /* Signed operand, 10 bits << 3.  */
  A_IMMS10BY8,

  /* Signed 16-bit operand.  */
  A_IMMS16,

  /* Unsigned 16-bit operand.  */
  A_IMMU16,

  /* PC-relative signed operand, 16 bits << 2, for PTA and PTB insns.  */
  A_PCIMMS16BY4,

  /* PC relative signed operand, 16 bits << 2, for PT insns.  Also adjusts
     the opcode to be PTA or PTB.  */
  A_PCIMMS16BY4_PT,
} shmedia_arg_type;

typedef struct {
  char *name;
  shmedia_arg_type arg[4];
  shmedia_nibble_type nibbles[4];
  unsigned long opcode_base;
} shmedia_opcode_info;

extern const shmedia_opcode_info shmedia_table[];

typedef struct {
  int cregno;
  char *name;
} shmedia_creg_info;

extern const shmedia_creg_info shmedia_creg_table[];

#define SHMEDIA_LIKELY_BIT    0x00000200
#define SHMEDIA_PT_OPC 	      0xe8000000
#define SHMEDIA_PTB_BIT	      0x04000000
#define SHMEDIA_PTA_OPC       0xe8000000
#define SHMEDIA_PTB_OPC       0xec000000

/* Note that this is ptrel/u.  "Or" in SHMEDIA_LIKELY_BIT for ptrel/l.  */
#define SHMEDIA_PTREL_OPC     0x6bf50000
#define SHMEDIA_MOVI_OPC      0xcc000000
#define SHMEDIA_SHORI_OPC     0xc8000000
#define SHMEDIA_ADDI_OPC      0xd0000000
#define SHMEDIA_ADD_OPC       0x00090000
#define SHMEDIA_NOP_OPC	      0x6ff0fff0
#define SHMEDIA_TEMP_REG      25

#endif /* _SH64_OPC_INCLUDED_H */
OpenPOWER on IntegriCloud