xref: /netbsd-src/external/gpl3/binutils.old/dist/include/opcode/arc.h (revision 82d56013d7b633d116a93943de88e08335357a7c)
1 /* Opcode table for the ARC.
2    Copyright (C) 1994-2018 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	     4
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   DMA,
57   DPI,
58   DSP,
59   EI,
60   ENTER,
61   FLOAT,
62   INVALID,
63   JLI,
64   JUMP,
65   KERNEL,
66   LEAVE,
67   LOAD,
68   LOGICAL,
69   LOOP,
70   MEMORY,
71   MISC,
72   MOVE,
73   MPY,
74   NET,
75   PROTOCOL_DECODE,
76   PMU,
77   POP,
78   PUSH,
79   SJLI,
80   STORE,
81   SUB,
82   ULTRAIP,
83   XY
84 } insn_class_t;
85 
86 /* Instruction Subclass.  */
87 typedef enum
88 {
89   NONE     = 0,
90   CVT      = (1U << 1),
91   BTSCN    = (1U << 2),
92   CD       = (1U << 3),
93   CD1      = CD,
94   CD2      = CD,
95   COND     = (1U << 4),
96   DIV      = (1U << 5),
97   DP       = (1U << 6),
98   DPA      = (1U << 7),
99   DPX      = (1U << 8),
100   LL64     = (1U << 9),
101   MPY1E    = (1U << 10),
102   MPY6E    = (1U << 11),
103   MPY7E    = (1U << 12),
104   MPY8E    = (1U << 13),
105   MPY9E    = (1U << 14),
106   NPS400   = (1U << 15),
107   QUARKSE1 = (1U << 16),
108   QUARKSE2 = (1U << 17),
109   SHFT1    = (1U << 18),
110   SHFT2    = (1U << 19),
111   SWAP     = (1U << 20),
112   SP       = (1U << 21),
113   SPX      = (1U << 22)
114 } insn_subclass_t;
115 
116 /* Flags class.  */
117 typedef enum
118 {
119   F_CLASS_NONE = 0,
120 
121   /* At most one flag from the set of flags can appear in the
122      instruction.  */
123   F_CLASS_OPTIONAL = (1 << 0),
124 
125   /* Exactly one from from the set of flags must appear in the
126      instruction.  */
127   F_CLASS_REQUIRED = (1 << 1),
128 
129   /* The conditional code can be extended over the standard variants
130      via .extCondCode pseudo-op.  */
131   F_CLASS_EXTEND = (1 << 2),
132 
133   /* Condition code flag.  */
134   F_CLASS_COND = (1 << 3),
135 
136   /* Write back mode.  */
137   F_CLASS_WB = (1 << 4),
138 
139   /* Data size.  */
140   F_CLASS_ZZ = (1 << 5),
141 
142   /* Implicit flag.  */
143   F_CLASS_IMPLICIT = (1 << 6)
144 } flag_class_t;
145 
146 /* The opcode table is an array of struct arc_opcode.  */
147 struct arc_opcode
148 {
149   /* The opcode name.  */
150   const char * name;
151 
152   /* The opcode itself.  Those bits which will be filled in with
153      operands are zeroes.  */
154   unsigned long long opcode;
155 
156   /* The opcode mask.  This is used by the disassembler.  This is a
157      mask containing ones indicating those bits which must match the
158      opcode field, and zeroes indicating those bits which need not
159      match (and are presumably filled in by operands).  */
160   unsigned long long mask;
161 
162   /* One bit flags for the opcode.  These are primarily used to
163      indicate specific processors and environments support the
164      instructions.  The defined values are listed below.  */
165   unsigned cpu;
166 
167   /* The instruction class.  This is used by gdb.  */
168   insn_class_t insn_class;
169 
170   /* The instruction subclass.  */
171   insn_subclass_t subclass;
172 
173   /* An array of operand codes.  Each code is an index into the
174      operand table.  They appear in the order which the operands must
175      appear in assembly code, and are terminated by a zero.  */
176   unsigned char operands[MAX_INSN_ARGS + 1];
177 
178   /* An array of flag codes.  Each code is an index into the flag
179      table.  They appear in the order which the flags must appear in
180      assembly code, and are terminated by a zero.  */
181   unsigned char flags[MAX_INSN_FLGS + 1];
182 };
183 
184 /* The table itself is sorted by major opcode number, and is otherwise
185    in the order in which the disassembler should consider
186    instructions.  */
187 extern const struct arc_opcode arc_opcodes[];
188 
189 /* Return length of an instruction represented by OPCODE, in bytes.  */
190 extern int arc_opcode_len (const struct arc_opcode *opcode);
191 
192 /* CPU Availability.  */
193 #define ARC_OPCODE_NONE     0x0000
194 #define ARC_OPCODE_ARC600   0x0001  /* ARC 600 specific insns.  */
195 #define ARC_OPCODE_ARC700   0x0002  /* ARC 700 specific insns.  */
196 #define ARC_OPCODE_ARCv2EM  0x0004  /* ARCv2 EM specific insns.  */
197 #define ARC_OPCODE_ARCv2HS  0x0008  /* ARCv2 HS specific insns.  */
198 
199 /* CPU combi.  */
200 #define ARC_OPCODE_ARCALL  (ARC_OPCODE_ARC600 | ARC_OPCODE_ARC700	\
201 			    | ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
202 #define ARC_OPCODE_ARCFPX  (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCv2EM)
203 #define ARC_OPCODE_ARCV2   (ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
204 #define ARC_OPCODE_ARCMPY6E  (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCV2)
205 
206 /* The operands table is an array of struct arc_operand.  */
207 struct arc_operand
208 {
209   /* The number of bits in the operand.  */
210   unsigned int bits;
211 
212   /* How far the operand is left shifted in the instruction.  */
213   unsigned int shift;
214 
215   /* The default relocation type for this operand.  */
216   signed int default_reloc;
217 
218   /* One bit syntax flags.  */
219   unsigned int flags;
220 
221   /* Insertion function.  This is used by the assembler.  To insert an
222      operand value into an instruction, check this field.
223 
224      If it is NULL, execute
225 	 i |= (op & ((1 << o->bits) - 1)) << o->shift;
226      (i is the instruction which we are filling in, o is a pointer to
227      this structure, and op is the opcode value; this assumes twos
228      complement arithmetic).
229 
230      If this field is not NULL, then simply call it with the
231      instruction and the operand value.	 It will return the new value
232      of the instruction.  If the ERRMSG argument is not NULL, then if
233      the operand value is illegal, *ERRMSG will be set to a warning
234      string (the operand will be inserted in any case).	 If the
235      operand value is legal, *ERRMSG will be unchanged (most operands
236      can accept any value).  */
237   unsigned long long (*insert) (unsigned long long instruction,
238                                 long long int op,
239                                 const char **errmsg);
240 
241   /* Extraction function.  This is used by the disassembler.  To
242      extract this operand type from an instruction, check this field.
243 
244      If it is NULL, compute
245 	 op = ((i) >> o->shift) & ((1 << o->bits) - 1);
246 	 if ((o->flags & ARC_OPERAND_SIGNED) != 0
247 	     && (op & (1 << (o->bits - 1))) != 0)
248 	   op -= 1 << o->bits;
249      (i is the instruction, o is a pointer to this structure, and op
250      is the result; this assumes twos complement arithmetic).
251 
252      If this field is not NULL, then simply call it with the
253      instruction value.	 It will return the value of the operand.  If
254      the INVALID argument is not NULL, *INVALID will be set to
255      TRUE if this operand type can not actually be extracted from
256      this operand (i.e., the instruction does not match).  If the
257      operand is valid, *INVALID will not be changed.  */
258   long long int (*extract) (unsigned long long instruction,
259                             bfd_boolean *invalid);
260 };
261 
262 /* Elements in the table are retrieved by indexing with values from
263    the operands field of the arc_opcodes table.  */
264 extern const struct arc_operand arc_operands[];
265 extern const unsigned arc_num_operands;
266 extern const unsigned arc_Toperand;
267 extern const unsigned arc_NToperand;
268 
269 /* Values defined for the flags field of a struct arc_operand.  */
270 
271 /* This operand does not actually exist in the assembler input.  This
272    is used to support extended mnemonics, for which two operands fields
273    are identical.  The assembler should call the insert function with
274    any op value.  The disassembler should call the extract function,
275    ignore the return value, and check the value placed in the invalid
276    argument.  */
277 #define ARC_OPERAND_FAKE	0x0001
278 
279 /* This operand names an integer register.  */
280 #define ARC_OPERAND_IR		0x0002
281 
282 /* This operand takes signed values.  */
283 #define ARC_OPERAND_SIGNED	0x0004
284 
285 /* This operand takes unsigned values.  This exists primarily so that
286    a flags value of 0 can be treated as end-of-arguments.  */
287 #define ARC_OPERAND_UNSIGNED	0x0008
288 
289 /* This operand takes long immediate values.  */
290 #define ARC_OPERAND_LIMM	0x0010
291 
292 /* This operand is identical like the previous one.  */
293 #define ARC_OPERAND_DUPLICATE   0x0020
294 
295 /* This operand is PC relative.  Used for internal relocs.  */
296 #define ARC_OPERAND_PCREL       0x0040
297 
298 /* This operand is truncated.  The truncation is done accordingly to
299    operand alignment attribute.  */
300 #define ARC_OPERAND_TRUNCATE    0x0080
301 
302 /* This operand is 16bit aligned.  */
303 #define ARC_OPERAND_ALIGNED16   0x0100
304 
305 /* This operand is 32bit aligned.  */
306 #define ARC_OPERAND_ALIGNED32   0x0200
307 
308 /* This operand can be ignored by matching process if it is not
309    present.  */
310 #define ARC_OPERAND_IGNORE      0x0400
311 
312 /* Don't check the range when matching.	 */
313 #define ARC_OPERAND_NCHK	0x0800
314 
315 /* Mark the braket possition.  */
316 #define ARC_OPERAND_BRAKET      0x1000
317 
318 /* Address type operand for NPS400.  */
319 #define ARC_OPERAND_ADDRTYPE    0x2000
320 
321 /* Mark the colon position.  */
322 #define ARC_OPERAND_COLON       0x4000
323 
324 /* Mask for selecting the type for typecheck purposes.  */
325 #define ARC_OPERAND_TYPECHECK_MASK		 \
326   (ARC_OPERAND_IR				 \
327    | ARC_OPERAND_LIMM     | ARC_OPERAND_SIGNED	 \
328    | ARC_OPERAND_UNSIGNED | ARC_OPERAND_BRAKET   \
329    | ARC_OPERAND_ADDRTYPE | ARC_OPERAND_COLON)
330 
331 /* Macro to determine if an operand is a fake operand.  */
332 #define ARC_OPERAND_IS_FAKE(op)                     \
333   ((operand->flags & ARC_OPERAND_FAKE)              \
334    && !((operand->flags & ARC_OPERAND_BRAKET)	    \
335 	|| (operand->flags & ARC_OPERAND_COLON)))
336 
337 /* The flags structure.  */
338 struct arc_flag_operand
339 {
340   /* The flag name.  */
341   const char * name;
342 
343   /* The flag code.  */
344   unsigned code;
345 
346   /* The number of bits in the operand.  */
347   unsigned int bits;
348 
349   /* How far the operand is left shifted in the instruction.  */
350   unsigned int shift;
351 
352   /* Available for disassembler.  */
353   unsigned char favail;
354 };
355 
356 /* The flag operands table.  */
357 extern const struct arc_flag_operand arc_flag_operands[];
358 extern const unsigned arc_num_flag_operands;
359 
360 /* The flag's class structure.  */
361 struct arc_flag_class
362 {
363   /* Flag class.  */
364   flag_class_t flag_class;
365 
366   /* List of valid flags (codes).  */
367   unsigned flags[256];
368 };
369 
370 extern const struct arc_flag_class arc_flag_classes[];
371 
372 /* Structure for special cases.  */
373 struct arc_flag_special
374 {
375   /* Name of special case instruction.  */
376   const char *name;
377 
378   /* List of flags applicable for special case instruction.  */
379   unsigned flags[32];
380 };
381 
382 extern const struct arc_flag_special arc_flag_special_cases[];
383 extern const unsigned arc_num_flag_special;
384 
385 /* Relocation equivalence structure.  */
386 struct arc_reloc_equiv_tab
387 {
388   const char * name;	   /* String to lookup.  */
389   const char * mnemonic;   /* Extra matching condition.  */
390   unsigned     flags[32];  /* Extra matching condition.  */
391   signed int   oldreloc;   /* Old relocation.  */
392   signed int   newreloc;   /* New relocation.  */
393 };
394 
395 extern const struct arc_reloc_equiv_tab arc_reloc_equiv[];
396 extern const unsigned arc_num_equiv_tab;
397 
398 /* Structure for operand operations for pseudo/alias instructions.  */
399 struct arc_operand_operation
400 {
401   /* The index for operand from operand array.  */
402   unsigned operand_idx;
403 
404   /* Defines if it needs the operand inserted by the assembler or
405      whether this operand comes from the pseudo instruction's
406      operands.  */
407   unsigned char needs_insert;
408 
409   /* Count we have to add to the operand.  Use negative number to
410      subtract from the operand.  Also use this number to add to 0 if
411      the operand needs to be inserted (i.e. needs_insert == 1).  */
412   int count;
413 
414   /* Index of the operand to swap with.  To be done AFTER applying
415      inc_count.  */
416   unsigned swap_operand_idx;
417 };
418 
419 /* Structure for pseudo/alias instructions.  */
420 struct arc_pseudo_insn
421 {
422   /* Mnemonic for pseudo/alias insn.  */
423   const char * mnemonic_p;
424 
425   /* Mnemonic for real instruction.  */
426   const char * mnemonic_r;
427 
428   /* Flag that will have to be added (if any).  */
429   const char * flag_r;
430 
431   /* Amount of operands.  */
432   unsigned operand_cnt;
433 
434   /* Array of operand operations.  */
435   struct arc_operand_operation operand[6];
436 };
437 
438 extern const struct arc_pseudo_insn arc_pseudo_insns[];
439 extern const unsigned arc_num_pseudo_insn;
440 
441 /* Structure for AUXILIARY registers.  */
442 struct arc_aux_reg
443 {
444   /* Register address.  */
445   int address;
446 
447   /* One bit flags for the opcode.  These are primarily used to
448      indicate specific processors and environments support the
449      instructions.  */
450   unsigned cpu;
451 
452   /* AUX register subclass.  */
453   insn_subclass_t subclass;
454 
455   /* Register name.  */
456   const char * name;
457 
458   /* Size of the string.  */
459   size_t length;
460 };
461 
462 extern const struct arc_aux_reg arc_aux_regs[];
463 extern const unsigned arc_num_aux_regs;
464 
465 extern const struct arc_opcode arc_relax_opcodes[];
466 extern const unsigned arc_num_relax_opcodes;
467 
468 /* Macro used for generating one class of NPS instructions.  */
469 #define NPS_CMEM_HIGH_VALUE 0x57f0
470 
471 /* Macros to help generating regular pattern instructions.  */
472 #define FIELDA(word) (word & 0x3F)
473 #define FIELDB(word) (((word & 0x07) << 24) | (((word >> 3) & 0x07) << 12))
474 #define FIELDC(word) ((word & 0x3F) << 6)
475 #define FIELDF	     (0x01 << 15)
476 #define FIELDQ	     (0x1F)
477 
478 #define INSN3OP(MOP,SOP)	(((MOP & 0x1F) << 27) | ((SOP & 0x3F) << 16))
479 #define INSN2OPX(MOP,SOP1,SOP2) (INSN3OP (MOP,SOP1) | (SOP2 & 0x3F))
480 #define INSN2OP(MOP,SOP)	(INSN2OPX (MOP,0x2F,SOP))
481 
482 #define INSN3OP_ABC(MOP,SOP)  (INSN3OP (MOP,SOP))
483 #define INSN3OP_ALC(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDB (62))
484 #define INSN3OP_ABL(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDC (62))
485 #define INSN3OP_ALL(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDB (62) | FIELDC (62))
486 #define INSN3OP_0BC(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62))
487 #define INSN3OP_0LC(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDB (62))
488 #define INSN3OP_0BL(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDC (62))
489 #define INSN3OP_0LL(MOP,SOP)					\
490   (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDB (62) | FIELDC (62))
491 #define INSN3OP_ABU(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x01 << 22))
492 #define INSN3OP_ALU(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x01 << 22) | FIELDB (62))
493 #define INSN3OP_0BU(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62) | (0x01 << 22))
494 #define INSN3OP_0LU(MOP,SOP)					\
495   (INSN3OP (MOP,SOP) | FIELDA (62) | (0x01 << 22) | FIELDB (62))
496 #define INSN3OP_BBS(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x02 << 22))
497 #define INSN3OP_0LS(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x02 << 22) | FIELDB (62))
498 #define INSN3OP_CBBC(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22))
499 #define INSN3OP_CBBL(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDC (62))
500 #define INSN3OP_C0LC(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDB (62))
501 #define INSN3OP_C0LL(MOP,SOP)					\
502   (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDC (62) | FIELDB (62))
503 #define INSN3OP_CBBU(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | (0x01 << 5))
504 #define INSN3OP_C0LU(MOP,SOP)					\
505   (INSN3OP (MOP,SOP) | (0x03 << 22) | (0x01 << 5) | FIELDB (62))
506 
507 #define MASK_32BIT(VAL) (0xffffffff & (VAL))
508 
509 #define MINSN3OP_ABC  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
510 #define MINSN3OP_ALC  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
511 #define MINSN3OP_ABL  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63))))
512 #define MINSN3OP_ALL  (MASK_32BIT (~(FIELDF | FIELDA (63))))
513 #define MINSN3OP_0BC  (MASK_32BIT (~(FIELDF | FIELDB (63) | FIELDC (63))))
514 #define MINSN3OP_0LC  (MASK_32BIT (~(FIELDF | FIELDC (63))))
515 #define MINSN3OP_0BL  (MASK_32BIT (~(FIELDF | FIELDB (63))))
516 #define MINSN3OP_0LL  (MASK_32BIT (~(FIELDF)))
517 #define MINSN3OP_ABU  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
518 #define MINSN3OP_ALU  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
519 #define MINSN3OP_0BU  (MASK_32BIT (~(FIELDF | FIELDB (63) | FIELDC (63))))
520 #define MINSN3OP_0LU  (MASK_32BIT (~(FIELDF | FIELDC (63))))
521 #define MINSN3OP_BBS  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
522 #define MINSN3OP_0LS  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
523 #define MINSN3OP_CBBC (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63) | FIELDC (63))))
524 #define MINSN3OP_CBBL (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63))))
525 #define MINSN3OP_C0LC (MASK_32BIT (~(FIELDF | FIELDQ | FIELDC (63))))
526 #define MINSN3OP_C0LL (MASK_32BIT (~(FIELDF | FIELDQ)))
527 #define MINSN3OP_CBBU (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63) | FIELDC (63))))
528 #define MINSN3OP_C0LU (MASK_32BIT (~(FIELDF | FIELDQ | FIELDC (63))))
529 
530 #define INSN2OP_BC(MOP,SOP) (INSN2OP (MOP,SOP))
531 #define INSN2OP_BL(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDC (62))
532 #define INSN2OP_0C(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDB (62))
533 #define INSN2OP_0L(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDB (62)  | FIELDC (62))
534 #define INSN2OP_BU(MOP,SOP) (INSN2OP (MOP,SOP) | (0x01 << 22))
535 #define INSN2OP_0U(MOP,SOP) (INSN2OP (MOP,SOP) | (0x01 << 22) | FIELDB (62))
536 
537 #define MINSN2OP_BC  (MASK_32BIT ((~(FIELDF | FIELDB (63) | FIELDC (63)))))
538 #define MINSN2OP_BL  (MASK_32BIT ((~(FIELDF | FIELDB (63)))))
539 #define MINSN2OP_0C  (MASK_32BIT ((~(FIELDF | FIELDC (63)))))
540 #define MINSN2OP_0L  (MASK_32BIT ((~(FIELDF))))
541 #define MINSN2OP_BU  (MASK_32BIT ((~(FIELDF | FIELDB (63) | FIELDC (63)))))
542 #define MINSN2OP_0U  (MASK_32BIT ((~(FIELDF | FIELDC (63)))))
543 
544 /* Various constants used when defining an extension instruction.  */
545 #define ARC_SYNTAX_3OP		(1 << 0)
546 #define ARC_SYNTAX_2OP		(1 << 1)
547 #define ARC_SYNTAX_1OP		(1 << 2)
548 #define ARC_SYNTAX_NOP		(1 << 3)
549 #define ARC_SYNTAX_MASK		(0x0F)
550 
551 #define ARC_OP1_MUST_BE_IMM	(1 << 0)
552 #define ARC_OP1_IMM_IMPLIED	(1 << 1)
553 
554 #define ARC_SUFFIX_NONE		(1 << 0)
555 #define ARC_SUFFIX_COND		(1 << 1)
556 #define ARC_SUFFIX_FLAG		(1 << 2)
557 
558 #define ARC_REGISTER_READONLY    (1 << 0)
559 #define ARC_REGISTER_WRITEONLY   (1 << 1)
560 #define ARC_REGISTER_NOSHORT_CUT (1 << 2)
561 
562 /* Constants needed to initialize extension instructions.  */
563 extern const unsigned char flags_none[MAX_INSN_FLGS + 1];
564 extern const unsigned char flags_f[MAX_INSN_FLGS + 1];
565 extern const unsigned char flags_cc[MAX_INSN_FLGS + 1];
566 extern const unsigned char flags_ccf[MAX_INSN_FLGS + 1];
567 
568 extern const unsigned char arg_none[MAX_INSN_ARGS + 1];
569 extern const unsigned char arg_32bit_rarbrc[MAX_INSN_ARGS + 1];
570 extern const unsigned char arg_32bit_zarbrc[MAX_INSN_ARGS + 1];
571 extern const unsigned char arg_32bit_rbrbrc[MAX_INSN_ARGS + 1];
572 extern const unsigned char arg_32bit_rarbu6[MAX_INSN_ARGS + 1];
573 extern const unsigned char arg_32bit_zarbu6[MAX_INSN_ARGS + 1];
574 extern const unsigned char arg_32bit_rbrbu6[MAX_INSN_ARGS + 1];
575 extern const unsigned char arg_32bit_rbrbs12[MAX_INSN_ARGS + 1];
576 extern const unsigned char arg_32bit_ralimmrc[MAX_INSN_ARGS + 1];
577 extern const unsigned char arg_32bit_rarblimm[MAX_INSN_ARGS + 1];
578 extern const unsigned char arg_32bit_zalimmrc[MAX_INSN_ARGS + 1];
579 extern const unsigned char arg_32bit_zarblimm[MAX_INSN_ARGS + 1];
580 
581 extern const unsigned char arg_32bit_rbrblimm[MAX_INSN_ARGS + 1];
582 extern const unsigned char arg_32bit_ralimmu6[MAX_INSN_ARGS + 1];
583 extern const unsigned char arg_32bit_zalimmu6[MAX_INSN_ARGS + 1];
584 
585 extern const unsigned char arg_32bit_zalimms12[MAX_INSN_ARGS + 1];
586 extern const unsigned char arg_32bit_ralimmlimm[MAX_INSN_ARGS + 1];
587 extern const unsigned char arg_32bit_zalimmlimm[MAX_INSN_ARGS + 1];
588 
589 extern const unsigned char arg_32bit_rbrc[MAX_INSN_ARGS + 1];
590 extern const unsigned char arg_32bit_zarc[MAX_INSN_ARGS + 1];
591 extern const unsigned char arg_32bit_rbu6[MAX_INSN_ARGS + 1];
592 extern const unsigned char arg_32bit_zau6[MAX_INSN_ARGS + 1];
593 extern const unsigned char arg_32bit_rblimm[MAX_INSN_ARGS + 1];
594 extern const unsigned char arg_32bit_zalimm[MAX_INSN_ARGS + 1];
595 
596 extern const unsigned char arg_32bit_limmrc[MAX_INSN_ARGS + 1];
597 extern const unsigned char arg_32bit_limmu6[MAX_INSN_ARGS + 1];
598 extern const unsigned char arg_32bit_limms12[MAX_INSN_ARGS + 1];
599 extern const unsigned char arg_32bit_limmlimm[MAX_INSN_ARGS + 1];
600 
601 extern const unsigned char arg_32bit_rc[MAX_INSN_ARGS + 1];
602 extern const unsigned char arg_32bit_u6[MAX_INSN_ARGS + 1];
603 extern const unsigned char arg_32bit_limm[MAX_INSN_ARGS + 1];
604 
605 /* Address types used in the NPS-400. See page 367 of the NPS-400 CTOP
606    Instruction Set Reference Manual v2.4 for a description of address types.  */
607 
608 typedef enum
609 {
610   /* Addresses in memory.  */
611 
612   /* Buffer descriptor.  */
613   ARC_NPS400_ADDRTYPE_BD,
614 
615   /* Job identifier.  */
616   ARC_NPS400_ADDRTYPE_JID,
617 
618   /* Linked Buffer Descriptor.  */
619   ARC_NPS400_ADDRTYPE_LBD,
620 
621   /* Multicast Buffer Descriptor.  */
622   ARC_NPS400_ADDRTYPE_MBD,
623 
624   /* Summarized Address.  */
625   ARC_NPS400_ADDRTYPE_SD,
626 
627   /* SMEM Security Context Local Memory.  */
628   ARC_NPS400_ADDRTYPE_SM,
629 
630   /* Extended Address.  */
631   ARC_NPS400_ADDRTYPE_XA,
632 
633   /* Extended Summarized Address.  */
634   ARC_NPS400_ADDRTYPE_XD,
635 
636   /* CMEM offset addresses.  */
637 
638   /* On-demand Counter Descriptor.  */
639   ARC_NPS400_ADDRTYPE_CD,
640 
641   /* CMEM Buffer Descriptor.  */
642   ARC_NPS400_ADDRTYPE_CBD,
643 
644   /* CMEM Job Identifier.  */
645   ARC_NPS400_ADDRTYPE_CJID,
646 
647   /* CMEM Linked Buffer Descriptor.  */
648   ARC_NPS400_ADDRTYPE_CLBD,
649 
650   /* CMEM Offset.  */
651   ARC_NPS400_ADDRTYPE_CM,
652 
653   /* CMEM Summarized Address.  */
654   ARC_NPS400_ADDRTYPE_CSD,
655 
656   /* CMEM Extended Address.  */
657   ARC_NPS400_ADDRTYPE_CXA,
658 
659   /* CMEM Extended Summarized Address.  */
660   ARC_NPS400_ADDRTYPE_CXD
661 
662 } arc_nps_address_type;
663 
664 #define ARC_NUM_ADDRTYPES 16
665 
666 #ifdef __cplusplus
667 }
668 #endif
669 
670 #endif /* OPCODE_ARC_H */
671