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252b5132 | 1 | /* v850.h -- Header file for NEC V850 opcode table |
6f2750fe | 2 | Copyright (C) 1996-2016 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by J.T. Conklin, Cygnus Support |
4 | ||
e4e42b45 | 5 | This file is part of GDB, GAS, and the GNU binutils. |
252b5132 | 6 | |
e4e42b45 NC |
7 | GDB, GAS, and the GNU binutils are free software; you can redistribute |
8 | them and/or modify them under the terms of the GNU General Public | |
9 | License as published by the Free Software Foundation; either version 3, | |
10 | or (at your option) any later version. | |
252b5132 | 11 | |
e4e42b45 NC |
12 | GDB, GAS, and the GNU binutils are distributed in the hope that they |
13 | will be useful, but WITHOUT ANY WARRANTY; without even the implied | |
14 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
15 | the GNU General Public License for more details. | |
252b5132 | 16 | |
e4e42b45 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this file; see the file COPYING3. If not, write to the Free | |
19 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | #ifndef V850_H | |
23 | #define V850_H | |
24 | ||
1fe0971e TS |
25 | #ifdef __cplusplus |
26 | extern "C" { | |
27 | #endif | |
28 | ||
252b5132 RH |
29 | /* The opcode table is an array of struct v850_opcode. */ |
30 | ||
31 | struct v850_opcode | |
32 | { | |
33 | /* The opcode name. */ | |
34 | const char *name; | |
35 | ||
36 | /* The opcode itself. Those bits which will be filled in with | |
37 | operands are zeroes. */ | |
38 | unsigned long opcode; | |
39 | ||
40 | /* The opcode mask. This is used by the disassembler. This is a | |
41 | mask containing ones indicating those bits which must match the | |
42 | opcode field, and zeroes indicating those bits which need not | |
43 | match (and are presumably filled in by operands). */ | |
44 | unsigned long mask; | |
45 | ||
46 | /* An array of operand codes. Each code is an index into the | |
47 | operand table. They appear in the order which the operands must | |
48 | appear in assembly code, and are terminated by a zero. */ | |
49 | unsigned char operands[8]; | |
50 | ||
51 | /* Which (if any) operand is a memory operand. */ | |
52 | unsigned int memop; | |
53 | ||
54 | /* Target processor(s). A bit field of processors which support | |
55 | this instruction. Note a bit field is used as some instructions | |
56 | are available on multiple, different processor types, whereas | |
57 | other instructions are only available on one specific type. */ | |
58 | unsigned int processors; | |
59 | }; | |
60 | ||
981dc7f1 NC |
61 | /* Values for architecture number. */ |
62 | #define arch_V850 0 | |
63 | #define arch_V850E (arch_V850 + 1) | |
64 | #define arch_V850E1 (arch_V850E + 1) | |
65 | #define arch_V850E2 (arch_V850E1 + 1) | |
66 | #define arch_V850E2V3 (arch_V850E2 + 1) | |
67 | #define arch_V850E3V5 (arch_V850E2V3 + 1) | |
68 | #define arch_separator (arch_V850E3V5 + 1) | |
69 | ||
70 | #define opt_EXTENSION (arch_separator) | |
71 | #define opt_ALIAS (opt_EXTENSION + 1) | |
72 | ||
252b5132 | 73 | /* Values for the processors field in the v850_opcode structure. */ |
981dc7f1 NC |
74 | #define PROCESSOR_V850 (1 << (arch_V850)) /* Just the V850. */ |
75 | #define PROCESSOR_V850E (1 << (arch_V850E)) /* Just the V850E. */ | |
76 | #define PROCESSOR_V850E1 (1 << (arch_V850E1)) /* Just the V850E1. */ | |
77 | #define PROCESSOR_V850E2 (1 << (arch_V850E2)) /* Just the V850E2. */ | |
78 | #define PROCESSOR_V850E2V3 (1 << (arch_V850E2V3)) /* Just the V850E2V3. */ | |
79 | #define PROCESSOR_V850E3V5 (1 << (arch_V850E3V5)) /* Just the V850E3V5. */ | |
80 | ||
81 | /* UPPERS */ | |
82 | #define PROCESSOR_V850E3V5_UP (PROCESSOR_V850E3V5) | |
83 | #define PROCESSOR_V850E2V3_UP (PROCESSOR_V850E2V3 | PROCESSOR_V850E3V5_UP) | |
84 | #define PROCESSOR_V850E2_UP (PROCESSOR_V850E2 | PROCESSOR_V850E2V3_UP) | |
85 | #define PROCESSOR_V850E_UP (PROCESSOR_V850E | PROCESSOR_V850E1 | PROCESSOR_V850E2_UP) | |
86 | #define PROCESSOR_ALL (PROCESSOR_V850 | PROCESSOR_V850E_UP) | |
87 | ||
88 | #define PROCESSOR_MASK (PROCESSOR_ALL) | |
89 | #define PROCESSOR_NOT_V850 (PROCESSOR_ALL & (~ PROCESSOR_V850)) /* Any processor except the V850. */ | |
90 | ||
91 | #define PROCESSOR_UNKNOWN ~(PROCESSOR_MASK) | |
92 | ||
93 | /* OPTIONS */ | |
94 | #define PROCESSOR_OPTION_EXTENSION (1 << (opt_EXTENSION)) /* Enable extension opcodes. */ | |
95 | #define PROCESSOR_OPTION_ALIAS (1 << (opt_ALIAS)) /* Enable alias opcodes. */ | |
96 | ||
1cd986c5 | 97 | #define SET_PROCESSOR_MASK(mask,set) ((mask) = ((mask) & ~PROCESSOR_MASK) | (set)) |
252b5132 RH |
98 | |
99 | /* The table itself is sorted by major opcode number, and is otherwise | |
100 | in the order in which the disassembler should consider | |
101 | instructions. */ | |
102 | extern const struct v850_opcode v850_opcodes[]; | |
103 | extern const int v850_num_opcodes; | |
104 | ||
105 | \f | |
106 | /* The operands table is an array of struct v850_operand. */ | |
107 | ||
108 | struct v850_operand | |
109 | { | |
110 | /* The number of bits in the operand. */ | |
1cd986c5 NC |
111 | /* If this value is -1 then the operand's bits are in a discontinous |
112 | distribution in the instruction. */ | |
252b5132 RH |
113 | int bits; |
114 | ||
115 | /* (bits >= 0): How far the operand is left shifted in the instruction. */ | |
116 | /* (bits == -1): Bit mask of the bits in the operand. */ | |
117 | int shift; | |
118 | ||
119 | /* Insertion function. This is used by the assembler. To insert an | |
120 | operand value into an instruction, check this field. | |
121 | ||
122 | If it is NULL, execute | |
123 | i |= (op & ((1 << o->bits) - 1)) << o->shift; | |
124 | (i is the instruction which we are filling in, o is a pointer to | |
125 | this structure, and op is the opcode value; this assumes twos | |
126 | complement arithmetic). | |
127 | ||
128 | If this field is not NULL, then simply call it with the | |
129 | instruction and the operand value. It will return the new value | |
130 | of the instruction. If the ERRMSG argument is not NULL, then if | |
131 | the operand value is illegal, *ERRMSG will be set to a warning | |
132 | string (the operand will be inserted in any case). If the | |
133 | operand value is legal, *ERRMSG will be unchanged (most operands | |
134 | can accept any value). */ | |
8cf3f354 AM |
135 | unsigned long (* insert) |
136 | (unsigned long instruction, long op, const char ** errmsg); | |
252b5132 RH |
137 | |
138 | /* Extraction function. This is used by the disassembler. To | |
139 | extract this operand type from an instruction, check this field. | |
140 | ||
141 | If it is NULL, compute | |
142 | op = o->bits == -1 ? ((i) & o->shift) : ((i) >> o->shift) & ((1 << o->bits) - 1); | |
143 | if (o->flags & V850_OPERAND_SIGNED) | |
144 | op = (op << (32 - o->bits)) >> (32 - o->bits); | |
145 | (i is the instruction, o is a pointer to this structure, and op | |
146 | is the result; this assumes twos complement arithmetic). | |
147 | ||
148 | If this field is not NULL, then simply call it with the | |
149 | instruction value. It will return the value of the operand. If | |
150 | the INVALID argument is not NULL, *INVALID will be set to | |
151 | non-zero if this operand type can not actually be extracted from | |
152 | this operand (i.e., the instruction does not match). If the | |
153 | operand is valid, *INVALID will not be changed. */ | |
8cf3f354 | 154 | unsigned long (* extract) (unsigned long instruction, int * invalid); |
252b5132 RH |
155 | |
156 | /* One bit syntax flags. */ | |
157 | int flags; | |
1cd986c5 NC |
158 | |
159 | int default_reloc; | |
252b5132 RH |
160 | }; |
161 | ||
162 | /* Elements in the table are retrieved by indexing with values from | |
163 | the operands field of the v850_opcodes table. */ | |
164 | ||
165 | extern const struct v850_operand v850_operands[]; | |
166 | ||
167 | /* Values defined for the flags field of a struct v850_operand. */ | |
168 | ||
1cd986c5 | 169 | /* This operand names a general purpose register. */ |
252b5132 RH |
170 | #define V850_OPERAND_REG 0x01 |
171 | ||
1cd986c5 NC |
172 | /* This operand is the ep register. */ |
173 | #define V850_OPERAND_EP 0x02 | |
252b5132 | 174 | |
1cd986c5 NC |
175 | /* This operand names a system register. */ |
176 | #define V850_OPERAND_SRG 0x04 | |
252b5132 | 177 | |
1cd986c5 NC |
178 | /* Prologue eilogue type instruction, V850E specific. */ |
179 | #define V850E_OPERAND_REG_LIST 0x08 | |
252b5132 | 180 | |
1cd986c5 NC |
181 | /* This operand names a condition code used in the setf instruction. */ |
182 | #define V850_OPERAND_CC 0x10 | |
252b5132 | 183 | |
1cd986c5 | 184 | #define V850_OPERAND_FLOAT_CC 0x20 |
252b5132 | 185 | |
1cd986c5 NC |
186 | /* This operand names a vector purpose register. */ |
187 | #define V850_OPERAND_VREG 0x40 | |
252b5132 | 188 | |
1cd986c5 NC |
189 | /* 16 bit immediate follows instruction, V850E specific. */ |
190 | #define V850E_IMMEDIATE16 0x80 | |
252b5132 | 191 | |
1cd986c5 NC |
192 | /* hi16 bit immediate follows instruction, V850E specific. */ |
193 | #define V850E_IMMEDIATE16HI 0x100 | |
252b5132 | 194 | |
1cd986c5 NC |
195 | /* 23 bit immediate follows instruction, V850E specific. */ |
196 | #define V850E_IMMEDIATE23 0x200 | |
252b5132 RH |
197 | |
198 | /* 32 bit immediate follows instruction, V850E specific. */ | |
199 | #define V850E_IMMEDIATE32 0x400 | |
200 | ||
1cd986c5 NC |
201 | /* This is a relaxable operand. Only used for D9->D22 branch relaxing |
202 | right now. We may need others in the future (or maybe handle them like | |
203 | promoted operands on the mn10300?). */ | |
204 | #define V850_OPERAND_RELAX 0x800 | |
205 | ||
206 | /* This operand takes signed values. */ | |
207 | #define V850_OPERAND_SIGNED 0x1000 | |
208 | ||
209 | /* This operand is a displacement. */ | |
210 | #define V850_OPERAND_DISP 0x2000 | |
211 | ||
212 | /* This operand is a PC displacement. */ | |
213 | #define V850_PCREL 0x4000 | |
214 | ||
215 | /* The register specified must be even number. */ | |
216 | #define V850_REG_EVEN 0x8000 | |
217 | ||
218 | /* The register specified must not be r0. */ | |
219 | #define V850_NOT_R0 0x20000 | |
220 | ||
221 | /* The register specified must not be 0. */ | |
222 | #define V850_NOT_IMM0 0x40000 | |
223 | ||
224 | /* The condition code must not be SA CONDITION. */ | |
225 | #define V850_NOT_SA 0x80000 | |
226 | ||
227 | /* The operand has '!' prefix. */ | |
228 | #define V850_OPERAND_BANG 0x100000 | |
229 | ||
230 | /* The operand has '%' prefix. */ | |
231 | #define V850_OPERAND_PERCENT 0x200000 | |
232 | ||
981dc7f1 NC |
233 | /* This operand is a cache oparation. */ |
234 | #define V850_OPERAND_CACHEOP 0x400000 | |
235 | ||
236 | /* This operand is a prefetch oparation. */ | |
237 | #define V850_OPERAND_PREFOP 0x800000 | |
238 | ||
41702d50 NC |
239 | /* A PC-relative displacement where a positive value indicates a backwards displacement. */ |
240 | #define V850_INVERSE_PCREL 0x1000000 | |
241 | ||
981dc7f1 | 242 | extern int v850_msg_is_out_of_range (const char *); |
1cd986c5 | 243 | |
1fe0971e TS |
244 | #ifdef __cplusplus |
245 | } | |
246 | #endif | |
247 | ||
252b5132 | 248 | #endif /* V850_H */ |