Rev 5191 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
5191 | serge | 1 | /* v850.h -- Header file for NEC V850 opcode table |
6324 | serge | 2 | Copyright (C) 1996-2015 Free Software Foundation, Inc. |
5191 | serge | 3 | Written by J.T. Conklin, Cygnus Support |
4 | |||
5 | This file is part of GDB, GAS, and the GNU binutils. |
||
6 | |||
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. |
||
11 | |||
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. |
||
16 | |||
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. */ |
||
21 | |||
22 | #ifndef V850_H |
||
23 | #define V850_H |
||
24 | |||
25 | /* The opcode table is an array of struct v850_opcode. */ |
||
26 | |||
27 | struct v850_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 | /* An array of operand codes. Each code is an index into the |
||
43 | operand table. They appear in the order which the operands must |
||
44 | appear in assembly code, and are terminated by a zero. */ |
||
45 | unsigned char operands[8]; |
||
46 | |||
47 | /* Which (if any) operand is a memory operand. */ |
||
48 | unsigned int memop; |
||
49 | |||
50 | /* Target processor(s). A bit field of processors which support |
||
51 | this instruction. Note a bit field is used as some instructions |
||
52 | are available on multiple, different processor types, whereas |
||
53 | other instructions are only available on one specific type. */ |
||
54 | unsigned int processors; |
||
55 | }; |
||
56 | |||
57 | /* Values for architecture number. */ |
||
58 | #define arch_V850 0 |
||
59 | #define arch_V850E (arch_V850 + 1) |
||
60 | #define arch_V850E1 (arch_V850E + 1) |
||
61 | #define arch_V850E2 (arch_V850E1 + 1) |
||
62 | #define arch_V850E2V3 (arch_V850E2 + 1) |
||
63 | #define arch_V850E3V5 (arch_V850E2V3 + 1) |
||
64 | #define arch_separator (arch_V850E3V5 + 1) |
||
65 | |||
66 | #define opt_EXTENSION (arch_separator) |
||
67 | #define opt_ALIAS (opt_EXTENSION + 1) |
||
68 | |||
69 | /* Values for the processors field in the v850_opcode structure. */ |
||
70 | #define PROCESSOR_V850 (1 << (arch_V850)) /* Just the V850. */ |
||
71 | #define PROCESSOR_V850E (1 << (arch_V850E)) /* Just the V850E. */ |
||
72 | #define PROCESSOR_V850E1 (1 << (arch_V850E1)) /* Just the V850E1. */ |
||
73 | #define PROCESSOR_V850E2 (1 << (arch_V850E2)) /* Just the V850E2. */ |
||
74 | #define PROCESSOR_V850E2V3 (1 << (arch_V850E2V3)) /* Just the V850E2V3. */ |
||
75 | #define PROCESSOR_V850E3V5 (1 << (arch_V850E3V5)) /* Just the V850E3V5. */ |
||
76 | |||
77 | /* UPPERS */ |
||
78 | #define PROCESSOR_V850E3V5_UP (PROCESSOR_V850E3V5) |
||
79 | #define PROCESSOR_V850E2V3_UP (PROCESSOR_V850E2V3 | PROCESSOR_V850E3V5_UP) |
||
80 | #define PROCESSOR_V850E2_UP (PROCESSOR_V850E2 | PROCESSOR_V850E2V3_UP) |
||
81 | #define PROCESSOR_V850E_UP (PROCESSOR_V850E | PROCESSOR_V850E1 | PROCESSOR_V850E2_UP) |
||
82 | #define PROCESSOR_ALL (PROCESSOR_V850 | PROCESSOR_V850E_UP) |
||
83 | |||
84 | #define PROCESSOR_MASK (PROCESSOR_ALL) |
||
85 | #define PROCESSOR_NOT_V850 (PROCESSOR_ALL & (~ PROCESSOR_V850)) /* Any processor except the V850. */ |
||
86 | |||
87 | #define PROCESSOR_UNKNOWN ~(PROCESSOR_MASK) |
||
88 | |||
89 | /* OPTIONS */ |
||
90 | #define PROCESSOR_OPTION_EXTENSION (1 << (opt_EXTENSION)) /* Enable extension opcodes. */ |
||
91 | #define PROCESSOR_OPTION_ALIAS (1 << (opt_ALIAS)) /* Enable alias opcodes. */ |
||
92 | |||
93 | #define SET_PROCESSOR_MASK(mask,set) ((mask) = ((mask) & ~PROCESSOR_MASK) | (set)) |
||
94 | |||
95 | /* The table itself is sorted by major opcode number, and is otherwise |
||
96 | in the order in which the disassembler should consider |
||
97 | instructions. */ |
||
98 | extern const struct v850_opcode v850_opcodes[]; |
||
99 | extern const int v850_num_opcodes; |
||
100 | |||
101 | |||
102 | /* The operands table is an array of struct v850_operand. */ |
||
103 | |||
104 | struct v850_operand |
||
105 | { |
||
106 | /* The number of bits in the operand. */ |
||
107 | /* If this value is -1 then the operand's bits are in a discontinous |
||
108 | distribution in the instruction. */ |
||
109 | int bits; |
||
110 | |||
111 | /* (bits >= 0): How far the operand is left shifted in the instruction. */ |
||
112 | /* (bits == -1): Bit mask of the bits in the operand. */ |
||
113 | int shift; |
||
114 | |||
115 | /* Insertion function. This is used by the assembler. To insert an |
||
116 | operand value into an instruction, check this field. |
||
117 | |||
118 | If it is NULL, execute |
||
119 | i |= (op & ((1 << o->bits) - 1)) << o->shift; |
||
120 | (i is the instruction which we are filling in, o is a pointer to |
||
121 | this structure, and op is the opcode value; this assumes twos |
||
122 | complement arithmetic). |
||
123 | |||
124 | If this field is not NULL, then simply call it with the |
||
125 | instruction and the operand value. It will return the new value |
||
126 | of the instruction. If the ERRMSG argument is not NULL, then if |
||
127 | the operand value is illegal, *ERRMSG will be set to a warning |
||
128 | string (the operand will be inserted in any case). If the |
||
129 | operand value is legal, *ERRMSG will be unchanged (most operands |
||
130 | can accept any value). */ |
||
131 | unsigned long (* insert) |
||
132 | (unsigned long instruction, long op, const char ** errmsg); |
||
133 | |||
134 | /* Extraction function. This is used by the disassembler. To |
||
135 | extract this operand type from an instruction, check this field. |
||
136 | |||
137 | If it is NULL, compute |
||
138 | op = o->bits == -1 ? ((i) & o->shift) : ((i) >> o->shift) & ((1 << o->bits) - 1); |
||
139 | if (o->flags & V850_OPERAND_SIGNED) |
||
140 | op = (op << (32 - o->bits)) >> (32 - o->bits); |
||
141 | (i is the instruction, o is a pointer to this structure, and op |
||
142 | is the result; this assumes twos complement arithmetic). |
||
143 | |||
144 | If this field is not NULL, then simply call it with the |
||
145 | instruction value. It will return the value of the operand. If |
||
146 | the INVALID argument is not NULL, *INVALID will be set to |
||
147 | non-zero if this operand type can not actually be extracted from |
||
148 | this operand (i.e., the instruction does not match). If the |
||
149 | operand is valid, *INVALID will not be changed. */ |
||
150 | unsigned long (* extract) (unsigned long instruction, int * invalid); |
||
151 | |||
152 | /* One bit syntax flags. */ |
||
153 | int flags; |
||
154 | |||
155 | int default_reloc; |
||
156 | }; |
||
157 | |||
158 | /* Elements in the table are retrieved by indexing with values from |
||
159 | the operands field of the v850_opcodes table. */ |
||
160 | |||
161 | extern const struct v850_operand v850_operands[]; |
||
162 | |||
163 | /* Values defined for the flags field of a struct v850_operand. */ |
||
164 | |||
165 | /* This operand names a general purpose register. */ |
||
166 | #define V850_OPERAND_REG 0x01 |
||
167 | |||
168 | /* This operand is the ep register. */ |
||
169 | #define V850_OPERAND_EP 0x02 |
||
170 | |||
171 | /* This operand names a system register. */ |
||
172 | #define V850_OPERAND_SRG 0x04 |
||
173 | |||
174 | /* Prologue eilogue type instruction, V850E specific. */ |
||
175 | #define V850E_OPERAND_REG_LIST 0x08 |
||
176 | |||
177 | /* This operand names a condition code used in the setf instruction. */ |
||
178 | #define V850_OPERAND_CC 0x10 |
||
179 | |||
180 | #define V850_OPERAND_FLOAT_CC 0x20 |
||
181 | |||
182 | /* This operand names a vector purpose register. */ |
||
183 | #define V850_OPERAND_VREG 0x40 |
||
184 | |||
185 | /* 16 bit immediate follows instruction, V850E specific. */ |
||
186 | #define V850E_IMMEDIATE16 0x80 |
||
187 | |||
188 | /* hi16 bit immediate follows instruction, V850E specific. */ |
||
189 | #define V850E_IMMEDIATE16HI 0x100 |
||
190 | |||
191 | /* 23 bit immediate follows instruction, V850E specific. */ |
||
192 | #define V850E_IMMEDIATE23 0x200 |
||
193 | |||
194 | /* 32 bit immediate follows instruction, V850E specific. */ |
||
195 | #define V850E_IMMEDIATE32 0x400 |
||
196 | |||
197 | /* This is a relaxable operand. Only used for D9->D22 branch relaxing |
||
198 | right now. We may need others in the future (or maybe handle them like |
||
199 | promoted operands on the mn10300?). */ |
||
200 | #define V850_OPERAND_RELAX 0x800 |
||
201 | |||
202 | /* This operand takes signed values. */ |
||
203 | #define V850_OPERAND_SIGNED 0x1000 |
||
204 | |||
205 | /* This operand is a displacement. */ |
||
206 | #define V850_OPERAND_DISP 0x2000 |
||
207 | |||
208 | /* This operand is a PC displacement. */ |
||
209 | #define V850_PCREL 0x4000 |
||
210 | |||
211 | /* The register specified must be even number. */ |
||
212 | #define V850_REG_EVEN 0x8000 |
||
213 | |||
214 | /* The register specified must not be r0. */ |
||
215 | #define V850_NOT_R0 0x20000 |
||
216 | |||
217 | /* The register specified must not be 0. */ |
||
218 | #define V850_NOT_IMM0 0x40000 |
||
219 | |||
220 | /* The condition code must not be SA CONDITION. */ |
||
221 | #define V850_NOT_SA 0x80000 |
||
222 | |||
223 | /* The operand has '!' prefix. */ |
||
224 | #define V850_OPERAND_BANG 0x100000 |
||
225 | |||
226 | /* The operand has '%' prefix. */ |
||
227 | #define V850_OPERAND_PERCENT 0x200000 |
||
228 | |||
229 | /* This operand is a cache oparation. */ |
||
230 | #define V850_OPERAND_CACHEOP 0x400000 |
||
231 | |||
232 | /* This operand is a prefetch oparation. */ |
||
233 | #define V850_OPERAND_PREFOP 0x800000 |
||
234 | |||
235 | /* A PC-relative displacement where a positive value indicates a backwards displacement. */ |
||
236 | #define V850_INVERSE_PCREL 0x1000000 |
||
237 | |||
238 | extern int v850_msg_is_out_of_range (const char *); |
||
239 | |||
240 | #endif /* V850_H */><>><>><>><>><>><>><>><>><>><>><>><> |