1/* Declarations for SH64 opcodes.
2   Copyright (C) 2000-2017 Free Software Foundation, Inc.
3
4   This file is part of the GNU opcodes library.
5
6   This library is 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   It is distributed in the hope that it will be useful, but WITHOUT
12   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
14   License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this file; see the file COPYING.  If not, write to the
18   Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
19   MA 02110-1301, USA.  */
20
21#ifndef _SH64_OPC_INCLUDED_H
22#define _SH64_OPC_INCLUDED_H
23
24typedef enum
25{
26  /* A placeholder.  */
27  OFFSET_NONE = 0,
28
29  /* Bit number for where to insert operand.  */
30  OFFSET_4  = 4,
31  OFFSET_9  = 9,
32  OFFSET_10 = 10,
33  OFFSET_20 = 20
34} shmedia_nibble_type;
35
36typedef enum {
37  /* First a placeholder.  */
38  A_NONE = 0,
39
40  /* Registers.  */
41  A_GREG_M,
42  A_GREG_N,
43  A_GREG_D,
44  A_FREG_G,
45  A_FREG_H,
46  A_FREG_F,
47  A_DREG_G,
48  A_DREG_H,
49  A_DREG_F,
50  A_FVREG_G,
51  A_FVREG_H,
52  A_FVREG_F,
53  A_FMREG_G,
54  A_FMREG_H,
55  A_FMREG_F,
56  A_FPREG_G,
57  A_FPREG_H,
58  A_FPREG_F,
59  A_TREG_A,
60  A_TREG_B,
61  A_CREG_K,
62  A_CREG_J,
63
64  /* This one is only used in a shmedia_get_operand.  */
65  A_IMMM,
66
67  /* Copy of previous register.  */
68  A_REUSE_PREV,
69
70  /* Unsigned 5-bit operand.  */
71  A_IMMU5,
72
73  /* Signed 6-bit operand.  */
74  A_IMMS6,
75
76  /* Signed operand, 6 bits << 5.  */
77  A_IMMS6BY32,
78
79  /* Unsigned 6-bit operand.  */
80  A_IMMU6,
81
82  /* Signed 10-bit operand.  */
83  A_IMMS10,
84
85  /* Signed operand, 10 bits << 0.  */
86  A_IMMS10BY1,
87
88  /* Signed operand, 10 bits << 1.  */
89  A_IMMS10BY2,
90
91  /* Signed operand, 10 bits << 2.  */
92  A_IMMS10BY4,
93
94  /* Signed operand, 10 bits << 3.  */
95  A_IMMS10BY8,
96
97  /* Signed 16-bit operand.  */
98  A_IMMS16,
99
100  /* Unsigned 16-bit operand.  */
101  A_IMMU16,
102
103  /* PC-relative signed operand, 16 bits << 2, for PTA and PTB insns.  */
104  A_PCIMMS16BY4,
105
106  /* PC relative signed operand, 16 bits << 2, for PT insns.  Also adjusts
107     the opcode to be PTA or PTB.  */
108  A_PCIMMS16BY4_PT,
109} shmedia_arg_type;
110
111typedef struct {
112  char *name;
113  shmedia_arg_type arg[4];
114  shmedia_nibble_type nibbles[4];
115  unsigned long opcode_base;
116} shmedia_opcode_info;
117
118extern const shmedia_opcode_info shmedia_table[];
119
120typedef struct {
121  int cregno;
122  char *name;
123} shmedia_creg_info;
124
125extern const shmedia_creg_info shmedia_creg_table[];
126
127#define SHMEDIA_LIKELY_BIT    0x00000200
128#define SHMEDIA_PT_OPC 	      0xe8000000
129#define SHMEDIA_PTB_BIT	      0x04000000
130#define SHMEDIA_PTA_OPC       0xe8000000
131#define SHMEDIA_PTB_OPC       0xec000000
132
133/* Note that this is ptrel/u.  "Or" in SHMEDIA_LIKELY_BIT for ptrel/l.  */
134#define SHMEDIA_PTREL_OPC     0x6bf50000
135#define SHMEDIA_MOVI_OPC      0xcc000000
136#define SHMEDIA_SHORI_OPC     0xc8000000
137#define SHMEDIA_ADDI_OPC      0xd0000000
138#define SHMEDIA_ADD_OPC       0x00090000
139#define SHMEDIA_NOP_OPC	      0x6ff0fff0
140#define SHMEDIA_TEMP_REG      25
141
142#endif /* _SH64_OPC_INCLUDED_H */
143