sdcc/support/sdbinutils/include/opcode/sparc.h

   1 /* Definitions for opcode table for the sparc.
   2    Copyright (C) 1989-2022 Free Software Foundation, Inc.
   3
   4    This file is part of GAS, the GNU Assembler, GDB, the GNU debugger, and
   5    the GNU Binutils.
   6
   7    GAS/GDB is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GAS/GDB is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GAS or GDB; see the file COPYING3.  If not, write to
  19    the Free Software Foundation, 51 Franklin Street - Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 #include "ansidecl.h"
  23
  24 #ifdef __cplusplus
  25 extern "C" {
  26 #endif
  27
  28 /* The SPARC opcode table (and other related data) is defined in
  29    the opcodes library in sparc-opc.c.  If you change anything here, make
  30    sure you fix up that file, and vice versa.  */
  31
  32  /* FIXME-someday: perhaps the ,a's and such should be embedded in the
  33     instruction's name rather than the args.  This would make gas faster, pinsn
  34     slower, but would mess up some macros a bit.  xoxorich. */
  35
  36 /* List of instruction sets variations.
  37    These values are such that each element is either a superset of a
  38    preceding each one or they conflict in which case SPARC_OPCODE_CONFLICT_P
  39    returns non-zero.
  40    The values are indices into `sparc_opcode_archs' defined in sparc-opc.c.
  41    Don't change this without updating sparc-opc.c.  */
  42
  43 enum sparc_opcode_arch_val
  44 {
  45   SPARC_OPCODE_ARCH_V6 = 0,
  46   SPARC_OPCODE_ARCH_V7,
  47   SPARC_OPCODE_ARCH_V8,
  48   SPARC_OPCODE_ARCH_LEON,
  49   SPARC_OPCODE_ARCH_SPARCLET,
  50   SPARC_OPCODE_ARCH_SPARCLITE,
  51   /* V9 variants must appear last.  */
  52   SPARC_OPCODE_ARCH_V9,
  53   SPARC_OPCODE_ARCH_V9A, /* V9 with ultrasparc additions.  */
  54   SPARC_OPCODE_ARCH_V9B, /* V9 with ultrasparc and cheetah additions.  */
  55   SPARC_OPCODE_ARCH_V9C, /* V9 with UA2005 and T1 additions.  */
  56   SPARC_OPCODE_ARCH_V9D, /* V9 with UA2007 and T3 additions.  */
  57   SPARC_OPCODE_ARCH_V9E, /* V9 with OSA2011 and T4 additions modulus integer multiply-add.  */
  58   SPARC_OPCODE_ARCH_V9V, /* V9 with OSA2011 and T4 additions, integer
  59                             multiply and Fujitsu fp multiply-add.  */
  60   SPARC_OPCODE_ARCH_V9M, /* V9 with OSA2015 and M7 additions.  */
  61   SPARC_OPCODE_ARCH_M8,  /* V9 with OSA2017 and M8 additions.  */
  62   SPARC_OPCODE_ARCH_MAX = SPARC_OPCODE_ARCH_M8,
  63   SPARC_OPCODE_ARCH_BAD  /* Error return from sparc_opcode_lookup_arch.  */
  64 };
  65
  66
  67 /* Given an enum sparc_opcode_arch_val, return the bitmask to use in
  68    insn encoding/decoding.  */
  69 #define SPARC_OPCODE_ARCH_MASK(arch) (1 << (arch))
  70
  71 /* Given a valid sparc_opcode_arch_val, return non-zero if it's v9.  */
  72 #define SPARC_OPCODE_ARCH_V9_P(arch) ((arch) >= SPARC_OPCODE_ARCH_V9)
  73
  74 /* Table of cpu variants.  */
  75
  76 typedef struct sparc_opcode_arch
  77 {
  78   const char *name;
  79   /* Mask of sparc_opcode_arch_val's supported.
  80      EG: For v7 this would be
  81      (SPARC_OPCODE_ARCH_MASK (..._V6) | SPARC_OPCODE_ARCH_MASK (..._V7)).
  82      These are short's because sparc_opcode.architecture is.  */
  83   short supported;
  84   /* Bitmaps describing the set of hardware capabilities implemented
  85      by the opcode arch.  */
  86   int hwcaps;
  87   int hwcaps2;
  88 } sparc_opcode_arch;
  89
  90 extern const struct sparc_opcode_arch sparc_opcode_archs[];
  91
  92 /* Given architecture name, look up it's sparc_opcode_arch_val value.  */
  93 extern enum sparc_opcode_arch_val sparc_opcode_lookup_arch (const char *);
  94
  95 /* Return the bitmask of supported architectures for ARCH.  */
  96 #define SPARC_OPCODE_SUPPORTED(ARCH) (sparc_opcode_archs[ARCH].supported)
  97
  98 /* Non-zero if ARCH1 conflicts with ARCH2.
  99    IE: ARCH1 as a supported bit set that ARCH2 doesn't, and vice versa.  */
 100 #define SPARC_OPCODE_CONFLICT_P(ARCH1, ARCH2) \
 101  (((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \
 102    != SPARC_OPCODE_SUPPORTED (ARCH1)) \
 103   && ((SPARC_OPCODE_SUPPORTED (ARCH1) & SPARC_OPCODE_SUPPORTED (ARCH2)) \
 104      != SPARC_OPCODE_SUPPORTED (ARCH2)))
 105
 106 /* Structure of an opcode table entry.  */
 107
 108 typedef struct sparc_opcode
 109 {
 110   const char *name;
 111   unsigned long match;  /* Bits that must be set.  */
 112   unsigned long lose;   /* Bits that must not be set.  */
 113   const char *args;
 114   /* This was called "delayed" in versions before the flags.  */
 115   unsigned int flags;
 116   unsigned int hwcaps;
 117   unsigned int hwcaps2;
 118   short architecture;   /* Bitmask of sparc_opcode_arch_val's.  */
 119 } sparc_opcode;
 120
 121 /* Struct for ASIs - to handle ASIs introduced in a specific architecture */
 122 typedef struct
 123 {
 124   int value;
 125   const char *name;
 126   short architecture;
 127 } sparc_asi;
 128
 129 /* FIXME: Add F_ANACHRONISTIC flag for v9.  */
 130 #define F_DELAYED       0x00000001 /* Delayed branch.  */
 131 #define F_ALIAS         0x00000002 /* Alias for a "real" instruction.  */
 132 #define F_UNBR          0x00000004 /* Unconditional branch.  */
 133 #define F_CONDBR        0x00000008 /* Conditional branch.  */
 134 #define F_JSR           0x00000010 /* Subroutine call.  */
 135 #define F_FLOAT         0x00000020 /* Floating point instruction (not a branch).  */
 136 #define F_FBR           0x00000040 /* Floating point branch.  */
 137 #define F_PREFERRED     0x00000080 /* A preferred alias.  */
 138
 139 #define F_PREF_ALIAS    (F_ALIAS|F_PREFERRED)
 140
 141 /* These must match the ELF_SPARC_HWCAP_* and ELF_SPARC_HWCAP2_*
 142    values precisely.  See include/elf/sparc.h.  */
 143 #define HWCAP_MUL32     0x00000001 /* umul/umulcc/smul/smulcc insns */
 144 #define HWCAP_DIV32     0x00000002 /* udiv/udivcc/sdiv/sdivcc insns */
 145 #define HWCAP_FSMULD    0x00000004 /* 'fsmuld' insn */
 146 #define HWCAP_V8PLUS    0x00000008 /* v9 insns available to 32bit */
 147 #define HWCAP_POPC      0x00000010 /* 'popc' insn */
 148 #define HWCAP_VIS       0x00000020 /* VIS insns */
 149 #define HWCAP_VIS2      0x00000040 /* VIS2 insns */
 150 #define HWCAP_ASI_BLK_INIT      \
 151                         0x00000080 /* block init ASIs */
 152 #define HWCAP_FMAF      0x00000100 /* fused multiply-add */
 153 #define HWCAP_VIS3      0x00000400 /* VIS3 insns */
 154 #define HWCAP_HPC       0x00000800 /* HPC insns */
 155 #define HWCAP_RANDOM    0x00001000 /* 'random' insn */
 156 #define HWCAP_TRANS     0x00002000 /* transaction insns */
 157 #define HWCAP_FJFMAU    0x00004000 /* unfused multiply-add */
 158 #define HWCAP_IMA       0x00008000 /* integer multiply-add */
 159 #define HWCAP_ASI_CACHE_SPARING \
 160                         0x00010000 /* cache sparing ASIs */
 161 #define HWCAP_AES       0x00020000 /* AES crypto insns */
 162 #define HWCAP_DES       0x00040000 /* DES crypto insns */
 163 #define HWCAP_KASUMI    0x00080000 /* KASUMI crypto insns */
 164 #define HWCAP_CAMELLIA  0x00100000 /* CAMELLIA crypto insns */
 165 #define HWCAP_MD5       0x00200000 /* MD5 hashing insns */
 166 #define HWCAP_SHA1      0x00400000 /* SHA1 hashing insns */
 167 #define HWCAP_SHA256    0x00800000 /* SHA256 hashing insns */
 168 #define HWCAP_SHA512    0x01000000 /* SHA512 hashing insns */
 169 #define HWCAP_MPMUL     0x02000000 /* Multiple Precision Multiply */
 170 #define HWCAP_MONT      0x04000000 /* Montgomery Mult/Sqrt */
 171 #define HWCAP_PAUSE     0x08000000 /* Pause insn */
 172 #define HWCAP_CBCOND    0x10000000 /* Compare and Branch insns */
 173 #define HWCAP_CRC32C    0x20000000 /* CRC32C insn */
 174
 175 #define HWCAP2_FJATHPLUS 0x00000001 /* Fujitsu Athena+ */
 176 #define HWCAP2_VIS3B     0x00000002 /* Subset of VIS3 present on sparc64 X+.  */
 177 #define HWCAP2_ADP       0x00000004 /* Application Data Protection */
 178 #define HWCAP2_SPARC5    0x00000008 /* The 29 new fp and sub instructions */
 179 #define HWCAP2_MWAIT     0x00000010 /* mwait instruction and load/monitor ASIs */
 180 #define HWCAP2_XMPMUL    0x00000020 /* XOR multiple precision multiply */
 181 #define HWCAP2_XMONT     0x00000040 /* XOR Montgomery mult/sqr instructions */
 182 #define HWCAP2_NSEC      \
 183                          0x00000080 /* pause insn with support for nsec timings */
 184 #define HWCAP2_FJATHHPC  0x00001000 /* Fujitsu HPC instrs */
 185 #define HWCAP2_FJDES     0x00002000 /* Fujitsu DES instrs */
 186 #define HWCAP2_FJAES     0x00010000 /* Fujitsu AES instrs */
 187
 188 #define HWCAP2_SPARC6    0x00020000 /* OSA2017 new instructions */
 189 #define HWCAP2_ONADDSUB  0x00040000 /* Oracle Number add/subtract */
 190 #define HWCAP2_ONMUL     0x00080000 /* Oracle Number multiply */
 191 #define HWCAP2_ONDIV     0x00100000 /* Oracle Number divide */
 192 #define HWCAP2_DICTUNP   0x00200000 /* Dictionary unpack instruction */
 193 #define HWCAP2_FPCMPSHL  0x00400000 /* Partition compare with shifted result */
 194 #define HWCAP2_RLE       0x00800000 /* Run-length encoded burst and length */
 195 #define HWCAP2_SHA3      0x01000000 /* SHA3 instruction */
 196
 197
 198 /* All sparc opcodes are 32 bits, except for the `set' instruction (really a
 199    macro), which is 64 bits. It is handled as a special case.
 200
 201    The match component is a mask saying which bits must match a particular
 202    opcode in order for an instruction to be an instance of that opcode.
 203
 204    The args component is a string containing one character for each operand of the
 205    instruction.
 206
 207    Kinds of operands:
 208         #       Number used by optimizer.       It is ignored.
 209         1       rs1 register.
 210         2       rs2 register.
 211         d       rd register.
 212         e       frs1 floating point register.
 213         v       frs1 floating point register (double/even).
 214         V       frs1 floating point register (quad/multiple of 4).
 215         ;       frs1 floating piont register (multiple of 8).
 216         f       frs2 floating point register.
 217         B       frs2 floating point register (double/even).
 218         R       frs2 floating point register (quad/multiple of 4).
 219         :       frs2 floating point register (multiple of 8).
 220         '       rs2m floating point register (double/even) in FPCMPSHL. (m8)
 221         4       frs3 floating point register.
 222         5       frs3 floating point register (doube/even).
 223         g       frsd floating point register.
 224         H       frsd floating point register (double/even).
 225         J       frsd floating point register (quad/multiple of 4).
 226         }       frsd floating point register (double/even) that is == frs2
 227         ^       frsd floating piont register in ON instructions.
 228         b       crs1 coprocessor register
 229         c       crs2 coprocessor register
 230         D       crsd coprocessor register
 231         m       alternate space register (asr) in rd
 232         M       alternate space register (asr) in rs1
 233         h       22 high bits.
 234         X       5 bit unsigned immediate
 235         Y       6 bit unsigned immediate
 236         3       SIAM mode (3 bits). (v9b)
 237         K       MEMBAR mask (7 bits). (v9)
 238         j       10 bit Immediate. (v9)
 239         I       11 bit Immediate. (v9)
 240         i       13 bit Immediate.
 241         n       22 bit immediate.
 242         k       2+14 bit PC relative immediate. (v9)
 243         G       19 bit PC relative immediate. (v9)
 244         l       22 bit PC relative immediate.
 245         L       30 bit PC relative immediate.
 246         a       Annul.  The annul bit is set.
 247         A       Alternate address space. Stored as 8 bits.
 248         C       Coprocessor state register.
 249         F       floating point state register.
 250         p       Processor state register.
 251         N       Branch predict clear ",pn" (v9)
 252         T       Branch predict set ",pt" (v9)
 253         z       %icc. (v9)
 254         Z       %xcc. (v9)
 255         q       Floating point queue.
 256         r       Single register that is both rs1 and rd.
 257         O       Single register that is both rs2 and rd.
 258         Q       Coprocessor queue.
 259         S       Special case.
 260         t       Trap base register.
 261         w       Window invalid mask register.
 262         y       Y register.
 263         u       sparclet coprocessor registers in rd position
 264         U       sparclet coprocessor registers in rs1 position
 265         E       %ccr. (v9)
 266         s       %fprs. (v9)
 267         P       %pc.  (v9)
 268         W       %tick.  (v9)
 269         {       %mcdper. (v9b)
 270         &       %entropy.  (m8)
 271         o       %asi. (v9)
 272         6       %fcc0. (v9)
 273         7       %fcc1. (v9)
 274         8       %fcc2. (v9)
 275         9       %fcc3. (v9)
 276         !       Privileged Register in rd (v9)
 277         ?       Privileged Register in rs1 (v9)
 278         %       Hyperprivileged Register in rd (v9b)
 279         $       Hyperprivileged Register in rs1 (v9b)
 280         *       Prefetch function constant. (v9)
 281         x       OPF field (v9 impdep).
 282         0       32/64 bit immediate for set or setx (v9) insns
 283         _       Ancillary state register in rd (v9a)
 284         /       Ancillary state register in rs1 (v9a)
 285         (       entire floating point state register (%efsr)
 286         )       5 bit immediate placed in RS3 field
 287         =       2+8 bit PC relative immediate. (v9)
 288         |       FPCMPSHL 2 bit immediate. (m8)  */
 289
 290 #define OP2(x)          (((x) & 0x7) << 22)  /* Op2 field of format2 insns.  */
 291 #define OP3(x)          (((x) & 0x3f) << 19) /* Op3 field of format3 insns.  */
 292 #define OP(x)           ((unsigned) ((x) & 0x3) << 30) /* Op field of all insns.  */
 293 #define OPF(x)          (((x) & 0x1ff) << 5) /* Opf field of float insns.  */
 294 #define OPF_LOW5(x)     OPF ((x) & 0x1f)     /* V9.  */
 295 #define OPF_LOW4(x)     OPF ((x) & 0xf)      /* V9.  */
 296 #define OPM(x)          (((x) & 0x7) << 10)  /* opm field of misaligned load/store insns.  */
 297 #define OPMI(x) (((x) & 0x1) << 9)   /* opm i field of misaligned load/store insns.  */
 298 #define ONFCN(x)        (((x) & 0x3) << 26)  /* fcn field of Oracle Number insns.  */
 299 #define REVFCN(x)       (((x) & 0x3) << 0)   /* fcn field of REV* insns.  */
 300 #define F3F(x, y, z)    (OP (x) | OP3 (y) | OPF (z)) /* Format3 float insns.  */
 301 #define F3F4(x, y, z)   (OP (x) | OP3 (y) | OPF_LOW4 (z))
 302 #define F3I(x)          (((x) & 0x1) << 13)  /* Immediate field of format 3 insns.  */
 303 #define F2(x, y)        (OP (x) | OP2(y))    /* Format 2 insns.  */
 304 #define F3(x, y, z)     (OP (x) | OP3(y) | F3I(z)) /* Format3 insns.  */
 305 #define F1(x)           (OP (x))
 306 #define DISP30(x)       ((x) & 0x3fffffff)
 307 #define ASI(x)          (((x) & 0xff) << 5)  /* Asi field of format3 insns.  */
 308 #define RS2(x)          ((x) & 0x1f)         /* Rs2 field.  */
 309 #define SIMM13(x)       ((x) & 0x1fff)       /* Simm13 field.  */
 310 #define SIMM10(x)       ((x) & 0x3ff)        /* Simm10 field.  */
 311 #define RD(x)           (((x) & 0x1f) << 25) /* Destination register field.  */
 312 #define RS1(x)          (((x) & 0x1f) << 14) /* Rs1 field.  */
 313 #define RS3(x)          (((x) & 0x1f) << 9)  /* Rs3 field.  */
 314 #define ASI_RS2(x)      (SIMM13 (x))
 315 #define MEMBAR(x)       ((x) & 0x7f)
 316 #define SLCPOP(x)       (((x) & 0x7f) << 6)  /* Sparclet cpop.  */
 317
 318 #define ANNUL   (1 << 29)
 319 #define BPRED   (1 << 19)       /* V9.  */
 320 #define IMMED   F3I (1)
 321 #define RD_G0   RD (~0)
 322 #define RS1_G0  RS1 (~0)
 323 #define RS2_G0  RS2 (~0)
 324
 325 extern const struct sparc_opcode sparc_opcodes[];
 326 extern const int sparc_num_opcodes;
 327
 328 extern const sparc_asi *sparc_encode_asi (const char *);
 329 extern const char *sparc_decode_asi (int);
 330 extern int sparc_encode_membar (const char *);
 331 extern const char *sparc_decode_membar (int);
 332 extern int sparc_encode_prefetch (const char *);
 333 extern const char *sparc_decode_prefetch (int);
 334 extern int sparc_encode_sparclet_cpreg (const char *);
 335 extern const char *sparc_decode_sparclet_cpreg (int);
 336
 337 /* Local Variables:
 338    fill-column: 131
 339    comment-column: 0
 340    End: */
 341
 342 #ifdef __cplusplus
 343 }
 344 #endif