1 /* Declarations for SH64 opcodes.
2    Copyright (C) 2000-2016 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 
24 typedef 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 
36 typedef 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 
111 typedef 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 
118 extern const shmedia_opcode_info shmedia_table[];
119 
120 typedef struct {
121   int cregno;
122   char *name;
123 } shmedia_creg_info;
124 
125 extern 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