Home | History | Annotate | Line # | Download | only in opcode
      1 /* Opcode table for the ARC.
      2    Copyright (C) 1994-2026 Free Software Foundation, Inc.
      3 
      4    Contributed by Claudiu Zissulescu (claziss (at) 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   DBNZ,
     56   DIVREM,
     57   DMA,
     58   DPI,
     59   DSP,
     60   EI,
     61   ENTER,
     62   FLOAT,
     63   INVALID,
     64   JLI,
     65   JUMP,
     66   KERNEL,
     67   LEAVE,
     68   LLOCK,
     69   LOAD,
     70   LOGICAL,
     71   LOOP,
     72   MEMORY,
     73   MISC,
     74   MOVE,
     75   MPY,
     76   NET,
     77   PROTOCOL_DECODE,
     78   PMU,
     79   POP,
     80   PUSH,
     81   SCOND,
     82   SJLI,
     83   STORE,
     84   SUB,
     85   SWITCH,
     86   ULTRAIP,
     87   XY
     88 } insn_class_t;
     89 
     90 /* Instruction Subclass.  */
     91 typedef enum
     92 {
     93   NONE     = 0,
     94   CVT      = (1U << 1),
     95   BTSCN    = (1U << 2),
     96   CD       = (1U << 3),
     97   CD1      = CD,
     98   CD2      = CD,
     99   COND     = (1U << 4),
    100   DIV      = (1U << 5),
    101   DP       = (1U << 6),
    102   DPA      = (1U << 7),
    103   DPX      = (1U << 8),
    104   FASTMATH = (1U << 23),
    105   LL64     = (1U << 9),
    106   MPY1E    = (1U << 10),
    107   MPY6E    = (1U << 11),
    108   MPY7E    = (1U << 12),
    109   MPY8E    = (1U << 13),
    110   MPY9E    = (1U << 14),
    111   NPS400   = (1U << 15),
    112   QUARKSE1 = (1U << 16),
    113   QUARKSE2 = (1U << 17),
    114   SHFT1    = (1U << 18),
    115   SHFT2    = (1U << 19),
    116   SWAP     = (1U << 20),
    117   SP       = (1U << 21),
    118   SPX      = (1U << 22)
    119 } insn_subclass_t;
    120 
    121 /* Flags class.  */
    122 typedef enum
    123 {
    124   F_CLASS_NONE = 0,
    125 
    126   /* At most one flag from the set of flags can appear in the
    127      instruction.  */
    128   F_CLASS_OPTIONAL = (1 << 0),
    129 
    130   /* Exactly one from from the set of flags must appear in the
    131      instruction.  */
    132   F_CLASS_REQUIRED = (1 << 1),
    133 
    134   /* The conditional code can be extended over the standard variants
    135      via .extCondCode pseudo-op.  */
    136   F_CLASS_EXTEND = (1 << 2),
    137 
    138   /* Condition code flag.  */
    139   F_CLASS_COND = (1 << 3),
    140 
    141   /* Write back mode.  */
    142   F_CLASS_WB = (1 << 4),
    143 
    144   /* Data size.  */
    145   F_CLASS_ZZ = (1 << 5),
    146 
    147   /* Implicit flag.  */
    148   F_CLASS_IMPLICIT = (1 << 6)
    149 } flag_class_t;
    150 
    151 /* The opcode table is an array of struct arc_opcode.  */
    152 struct arc_opcode
    153 {
    154   /* The opcode name.  */
    155   const char * name;
    156 
    157   /* The opcode itself.  Those bits which will be filled in with
    158      operands are zeroes.  */
    159   unsigned long long opcode;
    160 
    161   /* The opcode mask.  This is used by the disassembler.  This is a
    162      mask containing ones indicating those bits which must match the
    163      opcode field, and zeroes indicating those bits which need not
    164      match (and are presumably filled in by operands).  */
    165   unsigned long long mask;
    166 
    167   /* One bit flags for the opcode.  These are primarily used to
    168      indicate specific processors and environments support the
    169      instructions.  The defined values are listed below.  */
    170   unsigned cpu;
    171 
    172   /* The instruction class.  This is used by gdb.  */
    173   insn_class_t insn_class;
    174 
    175   /* The instruction subclass.  */
    176   insn_subclass_t subclass;
    177 
    178   /* An array of operand codes.  Each code is an index into the
    179      operand table.  They appear in the order which the operands must
    180      appear in assembly code, and are terminated by a zero.  */
    181   unsigned char operands[MAX_INSN_ARGS + 1];
    182 
    183   /* An array of flag codes.  Each code is an index into the flag
    184      table.  They appear in the order which the flags must appear in
    185      assembly code, and are terminated by a zero.  */
    186   unsigned char flags[MAX_INSN_FLGS + 1];
    187 };
    188 
    189 /* The table itself is sorted by major opcode number, and is otherwise
    190    in the order in which the disassembler should consider
    191    instructions.  */
    192 extern const struct arc_opcode arc_opcodes[];
    193 
    194 /* Return length of an instruction represented by OPCODE, in bytes.  */
    195 extern int arc_opcode_len (const struct arc_opcode *opcode);
    196 
    197 /* CPU Availability.  */
    198 #define ARC_OPCODE_NONE     0x0000
    199 #define ARC_OPCODE_ARC600   0x0001  /* ARC 600 specific insns.  */
    200 #define ARC_OPCODE_ARC700   0x0002  /* ARC 700 specific insns.  */
    201 #define ARC_OPCODE_ARCv2EM  0x0004  /* ARCv2 EM specific insns.  */
    202 #define ARC_OPCODE_ARCv2HS  0x0008  /* ARCv2 HS specific insns.  */
    203 
    204 /* CPU combi.  */
    205 #define ARC_OPCODE_ARCALL  (ARC_OPCODE_ARC600 | ARC_OPCODE_ARC700	\
    206 			    | ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
    207 #define ARC_OPCODE_ARCFPX  (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCv2EM)
    208 #define ARC_OPCODE_ARCV1   (ARC_OPCODE_ARC600 | ARC_OPCODE_ARC700)
    209 #define ARC_OPCODE_ARCV2   (ARC_OPCODE_ARCv2EM | ARC_OPCODE_ARCv2HS)
    210 #define ARC_OPCODE_ARCMPY6E  (ARC_OPCODE_ARC700 | ARC_OPCODE_ARCV2)
    211 
    212 /* The operands table is an array of struct arc_operand.  */
    213 struct arc_operand
    214 {
    215   /* The number of bits in the operand.  */
    216   unsigned int bits;
    217 
    218   /* How far the operand is left shifted in the instruction.  */
    219   unsigned int shift;
    220 
    221   /* The default relocation type for this operand.  */
    222   signed int default_reloc;
    223 
    224   /* One bit syntax flags.  */
    225   unsigned int flags;
    226 
    227   /* Insertion function.  This is used by the assembler.  To insert an
    228      operand value into an instruction, check this field.
    229 
    230      If it is NULL, execute
    231 	 i |= (op & ((1 << o->bits) - 1)) << o->shift;
    232      (i is the instruction which we are filling in, o is a pointer to
    233      this structure, and op is the opcode value; this assumes twos
    234      complement arithmetic).
    235 
    236      If this field is not NULL, then simply call it with the
    237      instruction and the operand value.	 It will return the new value
    238      of the instruction.  If the ERRMSG argument is not NULL, then if
    239      the operand value is illegal, *ERRMSG will be set to a warning
    240      string (the operand will be inserted in any case).	 If the
    241      operand value is legal, *ERRMSG will be unchanged (most operands
    242      can accept any value).  */
    243   unsigned long long (*insert) (unsigned long long instruction,
    244                                 long long int op,
    245                                 const char **errmsg);
    246 
    247   /* Extraction function.  This is used by the disassembler.  To
    248      extract this operand type from an instruction, check this field.
    249 
    250      If it is NULL, compute
    251 	 op = ((i) >> o->shift) & ((1 << o->bits) - 1);
    252 	 if ((o->flags & ARC_OPERAND_SIGNED) != 0
    253 	     && (op & (1 << (o->bits - 1))) != 0)
    254 	   op -= 1 << o->bits;
    255      (i is the instruction, o is a pointer to this structure, and op
    256      is the result; this assumes twos complement arithmetic).
    257 
    258      If this field is not NULL, then simply call it with the
    259      instruction value.	 It will return the value of the operand.  If
    260      the INVALID argument is not NULL, *INVALID will be set to
    261      TRUE if this operand type can not actually be extracted from
    262      this operand (i.e., the instruction does not match).  If the
    263      operand is valid, *INVALID will not be changed.  */
    264   long long int (*extract) (unsigned long long instruction, bool *invalid);
    265 };
    266 
    267 /* Elements in the table are retrieved by indexing with values from
    268    the operands field of the arc_opcodes table.  */
    269 extern const struct arc_operand arc_operands[];
    270 extern const unsigned arc_num_operands;
    271 extern const unsigned arc_Toperand;
    272 extern const unsigned arc_NToperand;
    273 
    274 /* Values defined for the flags field of a struct arc_operand.  */
    275 
    276 /* This operand does not actually exist in the assembler input.  This
    277    is used to support extended mnemonics, for which two operands fields
    278    are identical.  The assembler should call the insert function with
    279    any op value.  The disassembler should call the extract function,
    280    ignore the return value, and check the value placed in the invalid
    281    argument.  */
    282 #define ARC_OPERAND_FAKE	0x0001
    283 
    284 /* This operand names an integer register.  */
    285 #define ARC_OPERAND_IR		0x0002
    286 
    287 /* This operand takes signed values.  */
    288 #define ARC_OPERAND_SIGNED	0x0004
    289 
    290 /* This operand takes unsigned values.  This exists primarily so that
    291    a flags value of 0 can be treated as end-of-arguments.  */
    292 #define ARC_OPERAND_UNSIGNED	0x0008
    293 
    294 /* This operand takes long immediate values.  */
    295 #define ARC_OPERAND_LIMM	0x0010
    296 
    297 /* This operand is identical like the previous one.  */
    298 #define ARC_OPERAND_DUPLICATE   0x0020
    299 
    300 /* This operand is PC relative.  Used for internal relocs.  */
    301 #define ARC_OPERAND_PCREL       0x0040
    302 
    303 /* This operand is truncated.  The truncation is done accordingly to
    304    operand alignment attribute.  */
    305 #define ARC_OPERAND_TRUNCATE    0x0080
    306 
    307 /* This operand is 16bit aligned.  */
    308 #define ARC_OPERAND_ALIGNED16   0x0100
    309 
    310 /* This operand is 32bit aligned.  */
    311 #define ARC_OPERAND_ALIGNED32   0x0200
    312 
    313 /* This operand can be ignored by matching process if it is not
    314    present.  */
    315 #define ARC_OPERAND_IGNORE      0x0400
    316 
    317 /* Don't check the range when matching.	 */
    318 #define ARC_OPERAND_NCHK	0x0800
    319 
    320 /* Mark the braket possition.  */
    321 #define ARC_OPERAND_BRAKET      0x1000
    322 
    323 /* Address type operand for NPS400.  */
    324 #define ARC_OPERAND_ADDRTYPE    0x2000
    325 
    326 /* Mark the colon position.  */
    327 #define ARC_OPERAND_COLON       0x4000
    328 
    329 /* Mask for selecting the type for typecheck purposes.  */
    330 #define ARC_OPERAND_TYPECHECK_MASK		 \
    331   (ARC_OPERAND_IR				 \
    332    | ARC_OPERAND_LIMM     | ARC_OPERAND_SIGNED	 \
    333    | ARC_OPERAND_UNSIGNED | ARC_OPERAND_BRAKET   \
    334    | ARC_OPERAND_ADDRTYPE | ARC_OPERAND_COLON)
    335 
    336 /* Macro to determine if an operand is a fake operand.  */
    337 #define ARC_OPERAND_IS_FAKE(op)                     \
    338   ((operand->flags & ARC_OPERAND_FAKE)              \
    339    && !((operand->flags & ARC_OPERAND_BRAKET)	    \
    340 	|| (operand->flags & ARC_OPERAND_COLON)))
    341 
    342 /* The flags structure.  */
    343 struct arc_flag_operand
    344 {
    345   /* The flag name.  */
    346   const char * name;
    347 
    348   /* The flag code.  */
    349   unsigned code;
    350 
    351   /* The number of bits in the operand.  */
    352   unsigned int bits;
    353 
    354   /* How far the operand is left shifted in the instruction.  */
    355   unsigned int shift;
    356 
    357   /* Available for disassembler.  */
    358   unsigned char favail;
    359 };
    360 
    361 /* The flag operands table.  */
    362 extern const struct arc_flag_operand arc_flag_operands[];
    363 extern const unsigned arc_num_flag_operands;
    364 
    365 /* The flag's class structure.  */
    366 struct arc_flag_class
    367 {
    368   /* Flag class.  */
    369   flag_class_t flag_class;
    370 
    371   /* List of valid flags (codes).  */
    372   unsigned flags[256];
    373 };
    374 
    375 extern const struct arc_flag_class arc_flag_classes[];
    376 
    377 /* Structure for special cases.  */
    378 struct arc_flag_special
    379 {
    380   /* Name of special case instruction.  */
    381   const char *name;
    382 
    383   /* List of flags applicable for special case instruction.  */
    384   unsigned flags[32];
    385 };
    386 
    387 extern const struct arc_flag_special arc_flag_special_cases[];
    388 extern const unsigned arc_num_flag_special;
    389 
    390 /* Relocation equivalence structure.  */
    391 struct arc_reloc_equiv_tab
    392 {
    393   const char * name;	   /* String to lookup.  */
    394   const char * mnemonic;   /* Extra matching condition.  */
    395   unsigned     flags[32];  /* Extra matching condition.  */
    396   signed int   oldreloc;   /* Old relocation.  */
    397   signed int   newreloc;   /* New relocation.  */
    398 };
    399 
    400 extern const struct arc_reloc_equiv_tab arc_reloc_equiv[];
    401 extern const unsigned arc_num_equiv_tab;
    402 
    403 /* Structure for operand operations for pseudo/alias instructions.  */
    404 struct arc_operand_operation
    405 {
    406   /* The index for operand from operand array.  */
    407   unsigned operand_idx;
    408 
    409   /* Defines if it needs the operand inserted by the assembler or
    410      whether this operand comes from the pseudo instruction's
    411      operands.  */
    412   unsigned char needs_insert;
    413 
    414   /* Count we have to add to the operand.  Use negative number to
    415      subtract from the operand.  Also use this number to add to 0 if
    416      the operand needs to be inserted (i.e. needs_insert == 1).  */
    417   int count;
    418 
    419   /* Index of the operand to swap with.  To be done AFTER applying
    420      inc_count.  */
    421   unsigned swap_operand_idx;
    422 };
    423 
    424 /* Structure for pseudo/alias instructions.  */
    425 struct arc_pseudo_insn
    426 {
    427   /* Mnemonic for pseudo/alias insn.  */
    428   const char * mnemonic_p;
    429 
    430   /* Mnemonic for real instruction.  */
    431   const char * mnemonic_r;
    432 
    433   /* Flag that will have to be added (if any).  */
    434   const char * flag_r;
    435 
    436   /* Amount of operands.  */
    437   unsigned operand_cnt;
    438 
    439   /* Array of operand operations.  */
    440   struct arc_operand_operation operand[6];
    441 };
    442 
    443 extern const struct arc_pseudo_insn arc_pseudo_insns[];
    444 extern const unsigned arc_num_pseudo_insn;
    445 
    446 /* Structure for AUXILIARY registers.  */
    447 struct arc_aux_reg
    448 {
    449   /* Register address.  */
    450   int address;
    451 
    452   /* One bit flags for the opcode.  These are primarily used to
    453      indicate specific processors and environments support the
    454      instructions.  */
    455   unsigned cpu;
    456 
    457   /* AUX register subclass.  */
    458   insn_subclass_t subclass;
    459 
    460   /* Register name.  */
    461   const char * name;
    462 
    463   /* Size of the string.  */
    464   size_t length;
    465 };
    466 
    467 extern const struct arc_aux_reg arc_aux_regs[];
    468 extern const unsigned arc_num_aux_regs;
    469 
    470 extern const struct arc_opcode arc_relax_opcodes[];
    471 extern const unsigned arc_num_relax_opcodes;
    472 
    473 /* Macro used for generating one class of NPS instructions.  */
    474 #define NPS_CMEM_HIGH_VALUE 0x57f0
    475 
    476 /* Macros to help generating regular pattern instructions.  */
    477 #define FIELDA(word) (word & 0x3F)
    478 #define FIELDB(word) (((word & 0x07) << 24) | (((word >> 3) & 0x07) << 12))
    479 #define FIELDC(word) ((word & 0x3F) << 6)
    480 #define FIELDF	     (0x01 << 15)
    481 #define FIELDQ	     (0x1F)
    482 
    483 #define INSN3OP(MOP,SOP)	(((MOP & 0x1F) << 27) | ((SOP & 0x3F) << 16))
    484 #define INSN2OPX(MOP,SOP1,SOP2) (INSN3OP (MOP,SOP1) | (SOP2 & 0x3F))
    485 #define INSN2OP(MOP,SOP)	(INSN2OPX (MOP,0x2F,SOP))
    486 
    487 #define INSN3OP_ABC(MOP,SOP)  (INSN3OP (MOP,SOP))
    488 #define INSN3OP_ALC(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDB (62))
    489 #define INSN3OP_ABL(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDC (62))
    490 #define INSN3OP_ALL(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDB (62) | FIELDC (62))
    491 #define INSN3OP_0BC(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62))
    492 #define INSN3OP_0LC(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDB (62))
    493 #define INSN3OP_0BL(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDC (62))
    494 #define INSN3OP_0LL(MOP,SOP)					\
    495   (INSN3OP (MOP,SOP) | FIELDA (62) | FIELDB (62) | FIELDC (62))
    496 #define INSN3OP_ABU(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x01 << 22))
    497 #define INSN3OP_ALU(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x01 << 22) | FIELDB (62))
    498 #define INSN3OP_0BU(MOP,SOP)  (INSN3OP (MOP,SOP) | FIELDA (62) | (0x01 << 22))
    499 #define INSN3OP_0LU(MOP,SOP)					\
    500   (INSN3OP (MOP,SOP) | FIELDA (62) | (0x01 << 22) | FIELDB (62))
    501 #define INSN3OP_BBS(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x02 << 22))
    502 #define INSN3OP_0LS(MOP,SOP)  (INSN3OP (MOP,SOP) | (0x02 << 22) | FIELDB (62))
    503 #define INSN3OP_CBBC(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22))
    504 #define INSN3OP_CBBL(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDC (62))
    505 #define INSN3OP_C0LC(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDB (62))
    506 #define INSN3OP_C0LL(MOP,SOP)					\
    507   (INSN3OP (MOP,SOP) | (0x03 << 22) | FIELDC (62) | FIELDB (62))
    508 #define INSN3OP_CBBU(MOP,SOP) (INSN3OP (MOP,SOP) | (0x03 << 22) | (0x01 << 5))
    509 #define INSN3OP_C0LU(MOP,SOP)					\
    510   (INSN3OP (MOP,SOP) | (0x03 << 22) | (0x01 << 5) | FIELDB (62))
    511 
    512 #define MASK_32BIT(VAL) (0xffffffff & (VAL))
    513 
    514 #define MINSN3OP_ABC  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
    515 #define MINSN3OP_ALC  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
    516 #define MINSN3OP_ABL  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63))))
    517 #define MINSN3OP_ALL  (MASK_32BIT (~(FIELDF | FIELDA (63))))
    518 #define MINSN3OP_0BC  (MASK_32BIT (~(FIELDF | FIELDB (63) | FIELDC (63))))
    519 #define MINSN3OP_0LC  (MASK_32BIT (~(FIELDF | FIELDC (63))))
    520 #define MINSN3OP_0BL  (MASK_32BIT (~(FIELDF | FIELDB (63))))
    521 #define MINSN3OP_0LL  (MASK_32BIT (~(FIELDF)))
    522 #define MINSN3OP_ABU  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
    523 #define MINSN3OP_ALU  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
    524 #define MINSN3OP_0BU  (MASK_32BIT (~(FIELDF | FIELDB (63) | FIELDC (63))))
    525 #define MINSN3OP_0LU  (MASK_32BIT (~(FIELDF | FIELDC (63))))
    526 #define MINSN3OP_BBS  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDB (63) | FIELDC (63))))
    527 #define MINSN3OP_0LS  (MASK_32BIT (~(FIELDF | FIELDA (63) | FIELDC (63))))
    528 #define MINSN3OP_CBBC (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63) | FIELDC (63))))
    529 #define MINSN3OP_CBBL (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63))))
    530 #define MINSN3OP_C0LC (MASK_32BIT (~(FIELDF | FIELDQ | FIELDC (63))))
    531 #define MINSN3OP_C0LL (MASK_32BIT (~(FIELDF | FIELDQ)))
    532 #define MINSN3OP_CBBU (MASK_32BIT (~(FIELDF | FIELDQ | FIELDB (63) | FIELDC (63))))
    533 #define MINSN3OP_C0LU (MASK_32BIT (~(FIELDF | FIELDQ | FIELDC (63))))
    534 
    535 #define INSN2OP_BC(MOP,SOP) (INSN2OP (MOP,SOP))
    536 #define INSN2OP_BL(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDC (62))
    537 #define INSN2OP_0C(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDB (62))
    538 #define INSN2OP_0L(MOP,SOP) (INSN2OP (MOP,SOP) | FIELDB (62)  | FIELDC (62))
    539 #define INSN2OP_BU(MOP,SOP) (INSN2OP (MOP,SOP) | (0x01 << 22))
    540 #define INSN2OP_0U(MOP,SOP) (INSN2OP (MOP,SOP) | (0x01 << 22) | FIELDB (62))
    541 
    542 #define MINSN2OP_BC  (MASK_32BIT ((~(FIELDF | FIELDB (63) | FIELDC (63)))))
    543 #define MINSN2OP_BL  (MASK_32BIT ((~(FIELDF | FIELDB (63)))))
    544 #define MINSN2OP_0C  (MASK_32BIT ((~(FIELDF | FIELDC (63)))))
    545 #define MINSN2OP_0L  (MASK_32BIT ((~(FIELDF))))
    546 #define MINSN2OP_BU  (MASK_32BIT ((~(FIELDF | FIELDB (63) | FIELDC (63)))))
    547 #define MINSN2OP_0U  (MASK_32BIT ((~(FIELDF | FIELDC (63)))))
    548 
    549 /* Various constants used when defining an extension instruction.  */
    550 #define ARC_SYNTAX_3OP		(1 << 0)
    551 #define ARC_SYNTAX_2OP		(1 << 1)
    552 #define ARC_SYNTAX_1OP		(1 << 2)
    553 #define ARC_SYNTAX_NOP		(1 << 3)
    554 #define ARC_SYNTAX_MASK		(0x0F)
    555 
    556 #define ARC_OP1_MUST_BE_IMM	(1 << 0)
    557 #define ARC_OP1_IMM_IMPLIED	(1 << 1)
    558 
    559 #define ARC_SUFFIX_NONE		(1 << 0)
    560 #define ARC_SUFFIX_COND		(1 << 1)
    561 #define ARC_SUFFIX_FLAG		(1 << 2)
    562 
    563 #define ARC_REGISTER_READONLY    (1 << 0)
    564 #define ARC_REGISTER_WRITEONLY   (1 << 1)
    565 #define ARC_REGISTER_NOSHORT_CUT (1 << 2)
    566 
    567 /* Constants needed to initialize extension instructions.  */
    568 extern const unsigned char flags_none[MAX_INSN_FLGS + 1];
    569 extern const unsigned char flags_f[MAX_INSN_FLGS + 1];
    570 extern const unsigned char flags_cc[MAX_INSN_FLGS + 1];
    571 extern const unsigned char flags_ccf[MAX_INSN_FLGS + 1];
    572 
    573 extern const unsigned char arg_none[MAX_INSN_ARGS + 1];
    574 extern const unsigned char arg_32bit_rarbrc[MAX_INSN_ARGS + 1];
    575 extern const unsigned char arg_32bit_zarbrc[MAX_INSN_ARGS + 1];
    576 extern const unsigned char arg_32bit_rbrbrc[MAX_INSN_ARGS + 1];
    577 extern const unsigned char arg_32bit_rarbu6[MAX_INSN_ARGS + 1];
    578 extern const unsigned char arg_32bit_zarbu6[MAX_INSN_ARGS + 1];
    579 extern const unsigned char arg_32bit_rbrbu6[MAX_INSN_ARGS + 1];
    580 extern const unsigned char arg_32bit_rbrbs12[MAX_INSN_ARGS + 1];
    581 extern const unsigned char arg_32bit_ralimmrc[MAX_INSN_ARGS + 1];
    582 extern const unsigned char arg_32bit_rarblimm[MAX_INSN_ARGS + 1];
    583 extern const unsigned char arg_32bit_zalimmrc[MAX_INSN_ARGS + 1];
    584 extern const unsigned char arg_32bit_zarblimm[MAX_INSN_ARGS + 1];
    585 
    586 extern const unsigned char arg_32bit_rbrblimm[MAX_INSN_ARGS + 1];
    587 extern const unsigned char arg_32bit_ralimmu6[MAX_INSN_ARGS + 1];
    588 extern const unsigned char arg_32bit_zalimmu6[MAX_INSN_ARGS + 1];
    589 
    590 extern const unsigned char arg_32bit_zalimms12[MAX_INSN_ARGS + 1];
    591 extern const unsigned char arg_32bit_ralimmlimm[MAX_INSN_ARGS + 1];
    592 extern const unsigned char arg_32bit_zalimmlimm[MAX_INSN_ARGS + 1];
    593 
    594 extern const unsigned char arg_32bit_rbrc[MAX_INSN_ARGS + 1];
    595 extern const unsigned char arg_32bit_zarc[MAX_INSN_ARGS + 1];
    596 extern const unsigned char arg_32bit_rbu6[MAX_INSN_ARGS + 1];
    597 extern const unsigned char arg_32bit_zau6[MAX_INSN_ARGS + 1];
    598 extern const unsigned char arg_32bit_rblimm[MAX_INSN_ARGS + 1];
    599 extern const unsigned char arg_32bit_zalimm[MAX_INSN_ARGS + 1];
    600 
    601 extern const unsigned char arg_32bit_limmrc[MAX_INSN_ARGS + 1];
    602 extern const unsigned char arg_32bit_limmu6[MAX_INSN_ARGS + 1];
    603 extern const unsigned char arg_32bit_limms12[MAX_INSN_ARGS + 1];
    604 extern const unsigned char arg_32bit_limmlimm[MAX_INSN_ARGS + 1];
    605 
    606 extern const unsigned char arg_32bit_rc[MAX_INSN_ARGS + 1];
    607 extern const unsigned char arg_32bit_u6[MAX_INSN_ARGS + 1];
    608 extern const unsigned char arg_32bit_limm[MAX_INSN_ARGS + 1];
    609 
    610 /* Address types used in the NPS-400. See page 367 of the NPS-400 CTOP
    611    Instruction Set Reference Manual v2.4 for a description of address types.  */
    612 
    613 typedef enum
    614 {
    615   /* Addresses in memory.  */
    616 
    617   /* Buffer descriptor.  */
    618   ARC_NPS400_ADDRTYPE_BD,
    619 
    620   /* Job identifier.  */
    621   ARC_NPS400_ADDRTYPE_JID,
    622 
    623   /* Linked Buffer Descriptor.  */
    624   ARC_NPS400_ADDRTYPE_LBD,
    625 
    626   /* Multicast Buffer Descriptor.  */
    627   ARC_NPS400_ADDRTYPE_MBD,
    628 
    629   /* Summarized Address.  */
    630   ARC_NPS400_ADDRTYPE_SD,
    631 
    632   /* SMEM Security Context Local Memory.  */
    633   ARC_NPS400_ADDRTYPE_SM,
    634 
    635   /* Extended Address.  */
    636   ARC_NPS400_ADDRTYPE_XA,
    637 
    638   /* Extended Summarized Address.  */
    639   ARC_NPS400_ADDRTYPE_XD,
    640 
    641   /* CMEM offset addresses.  */
    642 
    643   /* On-demand Counter Descriptor.  */
    644   ARC_NPS400_ADDRTYPE_CD,
    645 
    646   /* CMEM Buffer Descriptor.  */
    647   ARC_NPS400_ADDRTYPE_CBD,
    648 
    649   /* CMEM Job Identifier.  */
    650   ARC_NPS400_ADDRTYPE_CJID,
    651 
    652   /* CMEM Linked Buffer Descriptor.  */
    653   ARC_NPS400_ADDRTYPE_CLBD,
    654 
    655   /* CMEM Offset.  */
    656   ARC_NPS400_ADDRTYPE_CM,
    657 
    658   /* CMEM Summarized Address.  */
    659   ARC_NPS400_ADDRTYPE_CSD,
    660 
    661   /* CMEM Extended Address.  */
    662   ARC_NPS400_ADDRTYPE_CXA,
    663 
    664   /* CMEM Extended Summarized Address.  */
    665   ARC_NPS400_ADDRTYPE_CXD
    666 
    667 } arc_nps_address_type;
    668 
    669 #define ARC_NUM_ADDRTYPES 16
    670 
    671 #ifdef __cplusplus
    672 }
    673 #endif
    674 
    675 #endif /* OPCODE_ARC_H */
    676