[ARC] Provide an interface to decode ARC instructions.
[binutils-gdb.git] / include / opcode / arc.h
1 /* Opcode table for the ARC.
2 Copyright (C) 1994-2017 Free Software Foundation, Inc.
3
4 Contributed by Claudiu Zissulescu (claziss@synopsys.com)
5
6 This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and
7 the GNU Binutils.
8
9 GAS/GDB is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
12 any later version.
13
14 GAS/GDB is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with GAS or GDB; see the file COPYING3. If not, write to
21 the Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
22 MA 02110-1301, USA. */
23
24 #ifndef OPCODE_ARC_H
25 #define OPCODE_ARC_H
26
27 #ifdef __cplusplus
28 extern "C" {
29 #endif
30
31 #ifndef MAX_INSN_ARGS
32 #define MAX_INSN_ARGS 16
33 #endif
34
35 #ifndef MAX_INSN_FLGS
36 #define MAX_INSN_FLGS 3
37 #endif
38
39 /* Instruction Class. */
40 typedef enum
41 {
42 ACL,
43 ARITH,
44 AUXREG,
45 BBIT0,
46 BBIT1,
47 BI,
48 BIH,
49 BITOP,
50 BITSTREAM,
51 BMU,
52 BRANCH,
53 BRCC,
54 CONTROL,
55 DIVREM,
56 DPI,
57 DSP,
58 EI,
59 ENTER,
60 FLOAT,
61 INVALID,
62 JLI,
63 JUMP,
64 KERNEL,
65 LEAVE,
66 LOAD,
67 LOGICAL,
68 LOOP,
69 MEMORY,
70 MOVE,
71 MPY,
72 NET,
73 PROTOCOL_DECODE,
74 PMU,
75 POP,
76 PUSH,
77 STORE,
78 SUB,
79 XY
80 } insn_class_t;
81
82 /* Instruction Subclass. */
83 typedef enum
84 {
85 NONE,
86 CVT,
87 BTSCN,
88 CD1,
89 CD2,
90 COND,
91 DIV,
92 DP,
93 DPA,
94 DPX,
95 MPY1E,
96 MPY6E,
97 MPY7E,
98 MPY8E,
99 MPY9E,
100 NPS400,
101 QUARKSE,
102 SHFT1,
103 SHFT2,
104 SWAP,
105 SP,
106 SPX
107 } insn_subclass_t;
108
109 /* Flags class. */
110 typedef enum
111 {
112 F_CLASS_NONE = 0,
113
114 /* At most one flag from the set of flags can appear in the
115 instruction. */
116 F_CLASS_OPTIONAL = (1 << 0),
117
118 /* Exactly one from from the set of flags must appear in the
119 instruction. */
120 F_CLASS_REQUIRED = (1 << 1),
121
122 /* The conditional code can be extended over the standard variants
123 via .extCondCode pseudo-op. */
124 F_CLASS_EXTEND = (1 << 2),
125
126 /* Condition code flag. */
127 F_CLASS_COND = (1 << 3),
128
129 /* Write back mode. */
130 F_CLASS_WB = (1 << 4),
131
132 /* Data size. */
133 F_CLASS_ZZ = (1 << 5),
134
135 /* Implicit flag. */
136 F_CLASS_IMPLICIT = (1 << 6)
137 } flag_class_t;
138
139 /* The opcode table is an array of struct arc_opcode. */
140 struct arc_opcode
141 {
142 /* The opcode name. */
143 const char *name;
144
145 /* The opcode itself. Those bits which will be filled in with
146 operands are zeroes. */
147 unsigned long long opcode;
148
149 /* The opcode mask. This is used by the disassembler. This is a
150 mask containing ones indicating those bits which must match the
151 opcode field, and zeroes indicating those bits which need not
152 match (and are presumably filled in by operands). */
153 unsigned long long mask;
154
155 /* One bit flags for the opcode. These are primarily used to
156 indicate specific processors and environments support the
157 instructions. The defined values are listed below. */
158 unsigned cpu;
159
160 /* The instruction class. This is used by gdb. */
161 insn_class_t insn_class;
162
163 /* The instruction subclass. */
164 insn_subclass_t subclass;
165
166 /* An array of operand codes. Each code is an index into the
167 operand table. They appear in the order which the operands must
168 appear in assembly code, and are terminated by a zero. */
169 unsigned char operands[MAX_INSN_ARGS + 1];
170
171 /* An array of flag codes. Each code is an index into the flag
172 table. They appear in the order which the flags must appear in
173 assembly code, and are terminated by a zero. */
174 unsigned char flags[MAX_INSN_FLGS + 1];
175 };
176
177 /* The table itself is sorted by major opcode number, and is otherwise
178 in the order in which the disassembler should consider
179 instructions. */
180 extern const struct arc_opcode arc_opcodes[];
181
182 /* Return length of an instruction represented by OPCODE, in bytes. */
183 extern int arc_opcode_len (const struct arc_opcode *opcode);
184
185 /* CPU Availability. */
186 #define ARC_OPCODE_NONE 0x0000
187 #define ARC_OPCODE_ARC600 0x0001 /* ARC 600 specific insns. */
188 #define ARC_OPCODE_ARC700 0x0002 /* ARC 700 specific insns. */
189 #define ARC_OPCODE_ARCv2EM 0x0004 /* ARCv2 EM specific insns. */
190 #define ARC_OPCODE_ARCv2HS 0x0008 /* ARCv2 HS specific insns. */
191
192 /* CPU combi. */
193 #define ARC_OPCODE_ARCALL (ARC_OPCODE_ARC600 | ARC_OPCODE_ARC700 \
194 | ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
195 #define ARC_OPCODE_ARCFPX (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCv2EM)
196 #define ARC_OPCODE_ARCV2 (ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
197
198 /* CPU extensions. */
199 #define ARC_EA 0x0001
200 #define ARC_CD 0x0001 /* Mutual exclusive with EA. */
201 #define ARC_LLOCK 0x0002
202 #define ARC_ATOMIC 0x0002 /* Mutual exclusive with LLOCK. */
203 #define ARC_MPY 0x0004
204 #define ARC_MULT 0x0004
205 #define ARC_NPS400 0x0008
206
207 /* Floating point support. */
208 #define ARC_DPFP 0x0010
209 #define ARC_SPFP 0x0020
210 #define ARC_FPU 0x0030
211 #define ARC_FPUDA 0x0040
212
213 /* NORM & SWAP. */
214 #define ARC_SWAP 0x0100
215 #define ARC_NORM 0x0200
216 #define ARC_BSCAN 0x0200
217
218 /* A7 specific. */
219 #define ARC_UIX 0x1000
220 #define ARC_TSTAMP 0x1000
221
222 /* A6 specific. */
223 #define ARC_VBFDW 0x1000
224 #define ARC_BARREL 0x1000
225 #define ARC_DSPA 0x1000
226
227 /* EM specific. */
228 #define ARC_SHIFT 0x1000
229
230 /* V2 specific. */
231 #define ARC_INTR 0x1000
232 #define ARC_DIV 0x1000
233
234 /* V1 specific. */
235 #define ARC_XMAC 0x1000
236 #define ARC_CRC 0x1000
237
238 /* The operands table is an array of struct arc_operand. */
239 struct arc_operand
240 {
241 /* The number of bits in the operand. */
242 unsigned int bits;
243
244 /* How far the operand is left shifted in the instruction. */
245 unsigned int shift;
246
247 /* The default relocation type for this operand. */
248 signed int default_reloc;
249
250 /* One bit syntax flags. */
251 unsigned int flags;
252
253 /* Insertion function. This is used by the assembler. To insert an
254 operand value into an instruction, check this field.
255
256 If it is NULL, execute
257 i |= (op & ((1 << o->bits) - 1)) << o->shift;
258 (i is the instruction which we are filling in, o is a pointer to
259 this structure, and op is the opcode value; this assumes twos
260 complement arithmetic).
261
262 If this field is not NULL, then simply call it with the
263 instruction and the operand value. It will return the new value
264 of the instruction. If the ERRMSG argument is not NULL, then if
265 the operand value is illegal, *ERRMSG will be set to a warning
266 string (the operand will be inserted in any case). If the
267 operand value is legal, *ERRMSG will be unchanged (most operands
268 can accept any value). */
269 unsigned long long (*insert) (unsigned long long instruction,
270 long long int op,
271 const char **errmsg);
272
273 /* Extraction function. This is used by the disassembler. To
274 extract this operand type from an instruction, check this field.
275
276 If it is NULL, compute
277 op = ((i) >> o->shift) & ((1 << o->bits) - 1);
278 if ((o->flags & ARC_OPERAND_SIGNED) != 0
279 && (op & (1 << (o->bits - 1))) != 0)
280 op -= 1 << o->bits;
281 (i is the instruction, o is a pointer to this structure, and op
282 is the result; this assumes twos complement arithmetic).
283
284 If this field is not NULL, then simply call it with the
285 instruction value. It will return the value of the operand. If
286 the INVALID argument is not NULL, *INVALID will be set to
287 TRUE if this operand type can not actually be extracted from
288 this operand (i.e., the instruction does not match). If the
289 operand is valid, *INVALID will not be changed. */
290 long long int (*extract) (unsigned long long instruction,
291 bfd_boolean *invalid);
292 };
293
294 /* Elements in the table are retrieved by indexing with values from
295 the operands field of the arc_opcodes table. */
296 extern const struct arc_operand arc_operands[];
297 extern const unsigned arc_num_operands;
298 extern const unsigned arc_Toperand;
299 extern const unsigned arc_NToperand;
300
301 /* Values defined for the flags field of a struct arc_operand. */
302
303 /* This operand does not actually exist in the assembler input. This
304 is used to support extended mnemonics, for which two operands fields
305 are identical. The assembler should call the insert function with
306 any op value. The disassembler should call the extract function,
307 ignore the return value, and check the value placed in the invalid
308 argument. */
309 #define ARC_OPERAND_FAKE 0x0001
310
311 /* This operand names an integer register. */
312 #define ARC_OPERAND_IR 0x0002
313
314 /* This operand takes signed values. */
315 #define ARC_OPERAND_SIGNED 0x0004
316
317 /* This operand takes unsigned values. This exists primarily so that
318 a flags value of 0 can be treated as end-of-arguments. */
319 #define ARC_OPERAND_UNSIGNED 0x0008
320
321 /* This operand takes long immediate values. */
322 #define ARC_OPERAND_LIMM 0x0010
323
324 /* This operand is identical like the previous one. */
325 #define ARC_OPERAND_DUPLICATE 0x0020
326
327 /* This operand is PC relative. Used for internal relocs. */
328 #define ARC_OPERAND_PCREL 0x0040
329
330 /* This operand is truncated. The truncation is done accordingly to
331 operand alignment attribute. */
332 #define ARC_OPERAND_TRUNCATE 0x0080
333
334 /* This operand is 16bit aligned. */
335 #define ARC_OPERAND_ALIGNED16 0x0100
336
337 /* This operand is 32bit aligned. */
338 #define ARC_OPERAND_ALIGNED32 0x0200
339
340 /* This operand can be ignored by matching process if it is not
341 present. */
342 #define ARC_OPERAND_IGNORE 0x0400
343
344 /* Don't check the range when matching. */
345 #define ARC_OPERAND_NCHK 0x0800
346
347 /* Mark the braket possition. */
348 #define ARC_OPERAND_BRAKET 0x1000
349
350 /* Address type operand for NPS400. */
351 #define ARC_OPERAND_ADDRTYPE 0x2000
352
353 /* Mark the colon position. */
354 #define ARC_OPERAND_COLON 0x4000
355
356 /* Mask for selecting the type for typecheck purposes. */
357 #define ARC_OPERAND_TYPECHECK_MASK \
358 (ARC_OPERAND_IR \
359 | ARC_OPERAND_LIMM | ARC_OPERAND_SIGNED \
360 | ARC_OPERAND_UNSIGNED | ARC_OPERAND_BRAKET \
361 | ARC_OPERAND_ADDRTYPE | ARC_OPERAND_COLON)
362
363 /* Macro to determine if an operand is a fake operand. */
364 #define ARC_OPERAND_IS_FAKE(op) \
365 ((operand->flags & ARC_OPERAND_FAKE) \
366 && !((operand->flags & ARC_OPERAND_BRAKET) \
367 || (operand->flags & ARC_OPERAND_COLON)))
368
369 /* The flags structure. */
370 struct arc_flag_operand
371 {
372 /* The flag name. */
373 const char *name;
374
375 /* The flag code. */
376 unsigned code;
377
378 /* The number of bits in the operand. */
379 unsigned int bits;
380
381 /* How far the operand is left shifted in the instruction. */
382 unsigned int shift;
383
384 /* Available for disassembler. */
385 unsigned char favail;
386 };
387
388 /* The flag operands table. */
389 extern const struct arc_flag_operand arc_flag_operands[];
390 extern const unsigned arc_num_flag_operands;
391
392 /* The flag's class structure. */
393 struct arc_flag_class
394 {
395 /* Flag class. */
396 flag_class_t flag_class;
397
398 /* List of valid flags (codes). */
399 unsigned flags[256];
400 };
401
402 extern const struct arc_flag_class arc_flag_classes[];
403
404 /* Structure for special cases. */
405 struct arc_flag_special
406 {
407 /* Name of special case instruction. */
408 const char *name;
409
410 /* List of flags applicable for special case instruction. */
411 unsigned flags[32];
412 };
413
414 extern const struct arc_flag_special arc_flag_special_cases[];
415 extern const unsigned arc_num_flag_special;
416
417 /* Relocation equivalence structure. */
418 struct arc_reloc_equiv_tab
419 {
420 const char * name; /* String to lookup. */
421 const char * mnemonic; /* Extra matching condition. */
422 unsigned flags[32]; /* Extra matching condition. */
423 signed int oldreloc; /* Old relocation. */
424 signed int newreloc; /* New relocation. */
425 };
426
427 extern const struct arc_reloc_equiv_tab arc_reloc_equiv[];
428 extern const unsigned arc_num_equiv_tab;
429
430 /* Structure for operand operations for pseudo/alias instructions. */
431 struct arc_operand_operation
432 {
433 /* The index for operand from operand array. */
434 unsigned operand_idx;
435
436 /* Defines if it needs the operand inserted by the assembler or
437 whether this operand comes from the pseudo instruction's
438 operands. */
439 unsigned char needs_insert;
440
441 /* Count we have to add to the operand. Use negative number to
442 subtract from the operand. Also use this number to add to 0 if
443 the operand needs to be inserted (i.e. needs_insert == 1). */
444 int count;
445
446 /* Index of the operand to swap with. To be done AFTER applying
447 inc_count. */
448 unsigned swap_operand_idx;
449 };
450
451 /* Structure for pseudo/alias instructions. */
452 struct arc_pseudo_insn
453 {
454 /* Mnemonic for pseudo/alias insn. */
455 const char *mnemonic_p;
456
457 /* Mnemonic for real instruction. */
458 const char *mnemonic_r;
459
460 /* Flag that will have to be added (if any). */
461 const char *flag_r;
462
463 /* Amount of operands. */
464 unsigned operand_cnt;
465
466 /* Array of operand operations. */
467 struct arc_operand_operation operand[6];
468 };
469
470 extern const struct arc_pseudo_insn arc_pseudo_insns[];
471 extern const unsigned arc_num_pseudo_insn;
472
473 /* Structure for AUXILIARY registers. */
474 struct arc_aux_reg
475 {
476 /* Register address. */
477 int address;
478
479 /* One bit flags for the opcode. These are primarily used to
480 indicate specific processors and environments support the
481 instructions. */
482 unsigned cpu;
483
484 /* AUX register subclass. */
485 insn_subclass_t subclass;
486
487 /* Register name. */
488 const char *name;
489
490 /* Size of the string. */
491 size_t length;
492 };
493
494 extern const struct arc_aux_reg arc_aux_regs[];
495 extern const unsigned arc_num_aux_regs;
496
497 extern const struct arc_opcode arc_relax_opcodes[];
498 extern const unsigned arc_num_relax_opcodes;
499
500 /* Macro used for generating one class of NPS instructions. */
501 #define NPS_CMEM_HIGH_VALUE 0x57f0
502
503 /* Macros to help generating regular pattern instructions. */
504 #define FIELDA(word) (word & 0x3F)
505 #define FIELDB(word) (((word & 0x07) << 24) | (((word >> 3) & 0x07) << 12))
506 #define FIELDC(word) ((word & 0x3F) << 6)
507 #define FIELDF (0x01 << 15)
508 #define FIELDQ (0x1F)
509
510 #define INSN3OP(MOP,SOP) (((MOP & 0x1F) << 27) | ((SOP & 0x3F) << 16))
511 #define INSN2OPX(MOP,SOP1,SOP2) (INSN3OP (MOP,SOP1) | (SOP2 & 0x3F))
512 #define INSN2OP(MOP,SOP) (INSN2OPX (MOP,0x2F,SOP))
513
514 #define INSN3OP_ABC(MOP,SOP) (INSN3OP (MOP,SOP))
515 #define INSN3OP_ALC(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDB (62))
516 #define INSN3OP_ABL(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDC (62))
517 #define INSN3OP_ALL(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDB (62) | FIELDC (62))
518 #define INSN3OP_0BC(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDA (62))
519 #define INSN3OP_0LC(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDB (62))
520 #define INSN3OP_0BL(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDC (62))
521 #define INSN3OP_0LL(MOP,SOP) \
522 (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDB (62) | FIELDC (62))
523 #define INSN3OP_ABU(MOP,SOP) (INSN3OP (MOP,SOP) | (0x01 << 22))
524 #define INSN3OP_ALU(MOP,SOP) (INSN3OP (MOP,SOP) | (0x01 << 22) | FIELDB (62))
525 #define INSN3OP_0BU(MOP,SOP) (INSN3OP (MOP,SOP) | FIELDA (62) | (0x01 << 22))
526 #define INSN3OP_0LU(MOP,SOP) \
527 (INSN3OP (MOP,SOP) | FIELDA (62) | (0x01 << 22) | FIELDB (62))
528 #define INSN3OP_BBS(MOP,SOP) (INSN3OP (MOP,SOP) | (0x02 << 22))
529 #define INSN3OP_0LS(MOP,SOP) (INSN3OP (MOP,SOP) | (0x02 << 22) | FIELDB (62))
530 #define INSN3OP_CBBC(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22))
531 #define INSN3OP_CBBL(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDC (62))
532 #define INSN3OP_C0LC(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDB (62))
533 #define INSN3OP_C0LL(MOP,SOP) \
534 (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDC (62) | FIELDB (62))
535 #define INSN3OP_CBBU(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | (0x01 << 5))
536 #define INSN3OP_C0LU(MOP,SOP) \
537 (INSN3OP (MOP,SOP) | (0x03 << 22) | (0x01 << 5) | FIELDB (62))
538
539 #define MASK_32BIT(VAL) (0xffffffff & (VAL))
540
541 #define MINSN3OP_ABC (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
542 #define MINSN3OP_ALC (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
543 #define MINSN3OP_ABL (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63))))
544 #define MINSN3OP_ALL (MASK_32BIT (~(FIELDF | FIELDA (63))))
545 #define MINSN3OP_0BC (MASK_32BIT (~(FIELDF | FIELDB (63) | FIELDC (63))))
546 #define MINSN3OP_0LC (MASK_32BIT (~(FIELDF | FIELDC (63))))
547 #define MINSN3OP_0BL (MASK_32BIT (~(FIELDF | FIELDB (63))))
548 #define MINSN3OP_0LL (MASK_32BIT (~(FIELDF)))
549 #define MINSN3OP_ABU (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
550 #define MINSN3OP_ALU (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
551 #define MINSN3OP_0BU (MASK_32BIT (~(FIELDF | FIELDB (63) | FIELDC (63))))
552 #define MINSN3OP_0LU (MASK_32BIT (~(FIELDF | FIELDC (63))))
553 #define MINSN3OP_BBS (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
554 #define MINSN3OP_0LS (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
555 #define MINSN3OP_CBBC (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63) | FIELDC (63))))
556 #define MINSN3OP_CBBL (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63))))
557 #define MINSN3OP_C0LC (MASK_32BIT (~(FIELDF | FIELDQ | FIELDC (63))))
558 #define MINSN3OP_C0LL (MASK_32BIT (~(FIELDF | FIELDQ)))
559 #define MINSN3OP_CBBU (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63) | FIELDC (63))))
560 #define MINSN3OP_C0LU (MASK_32BIT (~(FIELDF | FIELDQ | FIELDC (63))))
561
562 #define INSN2OP_BC(MOP,SOP) (INSN2OP (MOP,SOP))
563 #define INSN2OP_BL(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDC (62))
564 #define INSN2OP_0C(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDB (62))
565 #define INSN2OP_0L(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDB (62) | FIELDC (62))
566 #define INSN2OP_BU(MOP,SOP) (INSN2OP (MOP,SOP) | (0x01 << 22))
567 #define INSN2OP_0U(MOP,SOP) (INSN2OP (MOP,SOP) | (0x01 << 22) | FIELDB (62))
568
569 #define MINSN2OP_BC (MASK_32BIT ((~(FIELDF | FIELDB (63) | FIELDC (63)))))
570 #define MINSN2OP_BL (MASK_32BIT ((~(FIELDF | FIELDB (63)))))
571 #define MINSN2OP_0C (MASK_32BIT ((~(FIELDF | FIELDC (63)))))
572 #define MINSN2OP_0L (MASK_32BIT ((~(FIELDF))))
573 #define MINSN2OP_BU (MASK_32BIT ((~(FIELDF | FIELDB (63) | FIELDC (63)))))
574 #define MINSN2OP_0U (MASK_32BIT ((~(FIELDF | FIELDC (63)))))
575
576 /* Various constants used when defining an extension instruction. */
577 #define ARC_SYNTAX_3OP (1 << 0)
578 #define ARC_SYNTAX_2OP (1 << 1)
579 #define ARC_SYNTAX_1OP (1 << 2)
580 #define ARC_SYNTAX_NOP (1 << 3)
581 #define ARC_SYNTAX_MASK (0x0F)
582
583 #define ARC_OP1_MUST_BE_IMM (1 << 0)
584 #define ARC_OP1_IMM_IMPLIED (1 << 1)
585
586 #define ARC_SUFFIX_NONE (1 << 0)
587 #define ARC_SUFFIX_COND (1 << 1)
588 #define ARC_SUFFIX_FLAG (1 << 2)
589
590 #define ARC_REGISTER_READONLY (1 << 0)
591 #define ARC_REGISTER_WRITEONLY (1 << 1)
592 #define ARC_REGISTER_NOSHORT_CUT (1 << 2)
593
594 /* Constants needed to initialize extension instructions. */
595 extern const unsigned char flags_none[MAX_INSN_FLGS + 1];
596 extern const unsigned char flags_f[MAX_INSN_FLGS + 1];
597 extern const unsigned char flags_cc[MAX_INSN_FLGS + 1];
598 extern const unsigned char flags_ccf[MAX_INSN_FLGS + 1];
599
600 extern const unsigned char arg_none[MAX_INSN_ARGS + 1];
601 extern const unsigned char arg_32bit_rarbrc[MAX_INSN_ARGS + 1];
602 extern const unsigned char arg_32bit_zarbrc[MAX_INSN_ARGS + 1];
603 extern const unsigned char arg_32bit_rbrbrc[MAX_INSN_ARGS + 1];
604 extern const unsigned char arg_32bit_rarbu6[MAX_INSN_ARGS + 1];
605 extern const unsigned char arg_32bit_zarbu6[MAX_INSN_ARGS + 1];
606 extern const unsigned char arg_32bit_rbrbu6[MAX_INSN_ARGS + 1];
607 extern const unsigned char arg_32bit_rbrbs12[MAX_INSN_ARGS + 1];
608 extern const unsigned char arg_32bit_ralimmrc[MAX_INSN_ARGS + 1];
609 extern const unsigned char arg_32bit_rarblimm[MAX_INSN_ARGS + 1];
610 extern const unsigned char arg_32bit_zalimmrc[MAX_INSN_ARGS + 1];
611 extern const unsigned char arg_32bit_zarblimm[MAX_INSN_ARGS + 1];
612
613 extern const unsigned char arg_32bit_rbrblimm[MAX_INSN_ARGS + 1];
614 extern const unsigned char arg_32bit_ralimmu6[MAX_INSN_ARGS + 1];
615 extern const unsigned char arg_32bit_zalimmu6[MAX_INSN_ARGS + 1];
616
617 extern const unsigned char arg_32bit_zalimms12[MAX_INSN_ARGS + 1];
618 extern const unsigned char arg_32bit_ralimmlimm[MAX_INSN_ARGS + 1];
619 extern const unsigned char arg_32bit_zalimmlimm[MAX_INSN_ARGS + 1];
620
621 extern const unsigned char arg_32bit_rbrc[MAX_INSN_ARGS + 1];
622 extern const unsigned char arg_32bit_zarc[MAX_INSN_ARGS + 1];
623 extern const unsigned char arg_32bit_rbu6[MAX_INSN_ARGS + 1];
624 extern const unsigned char arg_32bit_zau6[MAX_INSN_ARGS + 1];
625 extern const unsigned char arg_32bit_rblimm[MAX_INSN_ARGS + 1];
626 extern const unsigned char arg_32bit_zalimm[MAX_INSN_ARGS + 1];
627
628 extern const unsigned char arg_32bit_limmrc[MAX_INSN_ARGS + 1];
629 extern const unsigned char arg_32bit_limmu6[MAX_INSN_ARGS + 1];
630 extern const unsigned char arg_32bit_limms12[MAX_INSN_ARGS + 1];
631 extern const unsigned char arg_32bit_limmlimm[MAX_INSN_ARGS + 1];
632
633 extern const unsigned char arg_32bit_rc[MAX_INSN_ARGS + 1];
634 extern const unsigned char arg_32bit_u6[MAX_INSN_ARGS + 1];
635 extern const unsigned char arg_32bit_limm[MAX_INSN_ARGS + 1];
636
637 /* Address types used in the NPS-400. See page 367 of the NPS-400 CTOP
638 Instruction Set Reference Manual v2.4 for a description of address types. */
639
640 typedef enum
641 {
642 /* Addresses in memory. */
643
644 /* Buffer descriptor. */
645 ARC_NPS400_ADDRTYPE_BD,
646
647 /* Job identifier. */
648 ARC_NPS400_ADDRTYPE_JID,
649
650 /* Linked Buffer Descriptor. */
651 ARC_NPS400_ADDRTYPE_LBD,
652
653 /* Multicast Buffer Descriptor. */
654 ARC_NPS400_ADDRTYPE_MBD,
655
656 /* Summarized Address. */
657 ARC_NPS400_ADDRTYPE_SD,
658
659 /* SMEM Security Context Local Memory. */
660 ARC_NPS400_ADDRTYPE_SM,
661
662 /* Extended Address. */
663 ARC_NPS400_ADDRTYPE_XA,
664
665 /* Extended Summarized Address. */
666 ARC_NPS400_ADDRTYPE_XD,
667
668 /* CMEM offset addresses. */
669
670 /* On-demand Counter Descriptor. */
671 ARC_NPS400_ADDRTYPE_CD,
672
673 /* CMEM Buffer Descriptor. */
674 ARC_NPS400_ADDRTYPE_CBD,
675
676 /* CMEM Job Identifier. */
677 ARC_NPS400_ADDRTYPE_CJID,
678
679 /* CMEM Linked Buffer Descriptor. */
680 ARC_NPS400_ADDRTYPE_CLBD,
681
682 /* CMEM Offset. */
683 ARC_NPS400_ADDRTYPE_CM,
684
685 /* CMEM Summarized Address. */
686 ARC_NPS400_ADDRTYPE_CSD,
687
688 /* CMEM Extended Address. */
689 ARC_NPS400_ADDRTYPE_CXA,
690
691 /* CMEM Extended Summarized Address. */
692 ARC_NPS400_ADDRTYPE_CXD
693
694 } arc_nps_address_type;
695
696 #define ARC_NUM_ADDRTYPES 16
697
698 #ifdef __cplusplus
699 }
700 #endif
701
702 #endif /* OPCODE_ARC_H */