LXR linux/arch/tile/include/asm/tile-desc

   1/* TILE-Gx opcode information.
   2 *
   3 * Copyright 2011 Tilera Corporation. All Rights Reserved.
   4 *
   5 *   This program is free software; you can redistribute it and/or
   6 *   modify it under the terms of the GNU General Public License
   7 *   as published by the Free Software Foundation, version 2.
   8 *
   9 *   This program is distributed in the hope that it will be useful, but
  10 *   WITHOUT ANY WARRANTY; without even the implied warranty of
  11 *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
  12 *   NON INFRINGEMENT.  See the GNU General Public License for
  13 *   more details.
  14 *
  15 *
  16 *
  17 *
  18 *
  19 */
  20
  21#ifndef opcode_tile_h
  22#define opcode_tile_h
  23
  24#include <arch/opcode.h>
  25
  26
  27enum
  28{
  29  TILEGX_MAX_OPERANDS = 4 /* bfexts */
  30};
  31
  32typedef enum
  33{
  34  TILEGX_OPC_BPT,
  35  TILEGX_OPC_INFO,
  36  TILEGX_OPC_INFOL,
  37  TILEGX_OPC_MOVE,
  38  TILEGX_OPC_MOVEI,
  39  TILEGX_OPC_MOVELI,
  40  TILEGX_OPC_PREFETCH,
  41  TILEGX_OPC_PREFETCH_ADD_L1,
  42  TILEGX_OPC_PREFETCH_ADD_L1_FAULT,
  43  TILEGX_OPC_PREFETCH_ADD_L2,
  44  TILEGX_OPC_PREFETCH_ADD_L2_FAULT,
  45  TILEGX_OPC_PREFETCH_ADD_L3,
  46  TILEGX_OPC_PREFETCH_ADD_L3_FAULT,
  47  TILEGX_OPC_PREFETCH_L1,
  48  TILEGX_OPC_PREFETCH_L1_FAULT,
  49  TILEGX_OPC_PREFETCH_L2,
  50  TILEGX_OPC_PREFETCH_L2_FAULT,
  51  TILEGX_OPC_PREFETCH_L3,
  52  TILEGX_OPC_PREFETCH_L3_FAULT,
  53  TILEGX_OPC_RAISE,
  54  TILEGX_OPC_ADD,
  55  TILEGX_OPC_ADDI,
  56  TILEGX_OPC_ADDLI,
  57  TILEGX_OPC_ADDX,
  58  TILEGX_OPC_ADDXI,
  59  TILEGX_OPC_ADDXLI,
  60  TILEGX_OPC_ADDXSC,
  61  TILEGX_OPC_AND,
  62  TILEGX_OPC_ANDI,
  63  TILEGX_OPC_BEQZ,
  64  TILEGX_OPC_BEQZT,
  65  TILEGX_OPC_BFEXTS,
  66  TILEGX_OPC_BFEXTU,
  67  TILEGX_OPC_BFINS,
  68  TILEGX_OPC_BGEZ,
  69  TILEGX_OPC_BGEZT,
  70  TILEGX_OPC_BGTZ,
  71  TILEGX_OPC_BGTZT,
  72  TILEGX_OPC_BLBC,
  73  TILEGX_OPC_BLBCT,
  74  TILEGX_OPC_BLBS,
  75  TILEGX_OPC_BLBST,
  76  TILEGX_OPC_BLEZ,
  77  TILEGX_OPC_BLEZT,
  78  TILEGX_OPC_BLTZ,
  79  TILEGX_OPC_BLTZT,
  80  TILEGX_OPC_BNEZ,
  81  TILEGX_OPC_BNEZT,
  82  TILEGX_OPC_CLZ,
  83  TILEGX_OPC_CMOVEQZ,
  84  TILEGX_OPC_CMOVNEZ,
  85  TILEGX_OPC_CMPEQ,
  86  TILEGX_OPC_CMPEQI,
  87  TILEGX_OPC_CMPEXCH,
  88  TILEGX_OPC_CMPEXCH4,
  89  TILEGX_OPC_CMPLES,
  90  TILEGX_OPC_CMPLEU,
  91  TILEGX_OPC_CMPLTS,
  92  TILEGX_OPC_CMPLTSI,
  93  TILEGX_OPC_CMPLTU,
  94  TILEGX_OPC_CMPLTUI,
  95  TILEGX_OPC_CMPNE,
  96  TILEGX_OPC_CMUL,
  97  TILEGX_OPC_CMULA,
  98  TILEGX_OPC_CMULAF,
  99  TILEGX_OPC_CMULF,
 100  TILEGX_OPC_CMULFR,
 101  TILEGX_OPC_CMULH,
 102  TILEGX_OPC_CMULHR,
 103  TILEGX_OPC_CRC32_32,
 104  TILEGX_OPC_CRC32_8,
 105  TILEGX_OPC_CTZ,
 106  TILEGX_OPC_DBLALIGN,
 107  TILEGX_OPC_DBLALIGN2,
 108  TILEGX_OPC_DBLALIGN4,
 109  TILEGX_OPC_DBLALIGN6,
 110  TILEGX_OPC_DRAIN,
 111  TILEGX_OPC_DTLBPR,
 112  TILEGX_OPC_EXCH,
 113  TILEGX_OPC_EXCH4,
 114  TILEGX_OPC_FDOUBLE_ADD_FLAGS,
 115  TILEGX_OPC_FDOUBLE_ADDSUB,
 116  TILEGX_OPC_FDOUBLE_MUL_FLAGS,
 117  TILEGX_OPC_FDOUBLE_PACK1,
 118  TILEGX_OPC_FDOUBLE_PACK2,
 119  TILEGX_OPC_FDOUBLE_SUB_FLAGS,
 120  TILEGX_OPC_FDOUBLE_UNPACK_MAX,
 121  TILEGX_OPC_FDOUBLE_UNPACK_MIN,
 122  TILEGX_OPC_FETCHADD,
 123  TILEGX_OPC_FETCHADD4,
 124  TILEGX_OPC_FETCHADDGEZ,
 125  TILEGX_OPC_FETCHADDGEZ4,
 126  TILEGX_OPC_FETCHAND,
 127  TILEGX_OPC_FETCHAND4,
 128  TILEGX_OPC_FETCHOR,
 129  TILEGX_OPC_FETCHOR4,
 130  TILEGX_OPC_FINV,
 131  TILEGX_OPC_FLUSH,
 132  TILEGX_OPC_FLUSHWB,
 133  TILEGX_OPC_FNOP,
 134  TILEGX_OPC_FSINGLE_ADD1,
 135  TILEGX_OPC_FSINGLE_ADDSUB2,
 136  TILEGX_OPC_FSINGLE_MUL1,
 137  TILEGX_OPC_FSINGLE_MUL2,
 138  TILEGX_OPC_FSINGLE_PACK1,
 139  TILEGX_OPC_FSINGLE_PACK2,
 140  TILEGX_OPC_FSINGLE_SUB1,
 141  TILEGX_OPC_ICOH,
 142  TILEGX_OPC_ILL,
 143  TILEGX_OPC_INV,
 144  TILEGX_OPC_IRET,
 145  TILEGX_OPC_J,
 146  TILEGX_OPC_JAL,
 147  TILEGX_OPC_JALR,
 148  TILEGX_OPC_JALRP,
 149  TILEGX_OPC_JR,
 150  TILEGX_OPC_JRP,
 151  TILEGX_OPC_LD,
 152  TILEGX_OPC_LD1S,
 153  TILEGX_OPC_LD1S_ADD,
 154  TILEGX_OPC_LD1U,
 155  TILEGX_OPC_LD1U_ADD,
 156  TILEGX_OPC_LD2S,
 157  TILEGX_OPC_LD2S_ADD,
 158  TILEGX_OPC_LD2U,
 159  TILEGX_OPC_LD2U_ADD,
 160  TILEGX_OPC_LD4S,
 161  TILEGX_OPC_LD4S_ADD,
 162  TILEGX_OPC_LD4U,
 163  TILEGX_OPC_LD4U_ADD,
 164  TILEGX_OPC_LD_ADD,
 165  TILEGX_OPC_LDNA,
 166  TILEGX_OPC_LDNA_ADD,
 167  TILEGX_OPC_LDNT,
 168  TILEGX_OPC_LDNT1S,
 169  TILEGX_OPC_LDNT1S_ADD,
 170  TILEGX_OPC_LDNT1U,
 171  TILEGX_OPC_LDNT1U_ADD,
 172  TILEGX_OPC_LDNT2S,
 173  TILEGX_OPC_LDNT2S_ADD,
 174  TILEGX_OPC_LDNT2U,
 175  TILEGX_OPC_LDNT2U_ADD,
 176  TILEGX_OPC_LDNT4S,
 177  TILEGX_OPC_LDNT4S_ADD,
 178  TILEGX_OPC_LDNT4U,
 179  TILEGX_OPC_LDNT4U_ADD,
 180  TILEGX_OPC_LDNT_ADD,
 181  TILEGX_OPC_LNK,
 182  TILEGX_OPC_MF,
 183  TILEGX_OPC_MFSPR,
 184  TILEGX_OPC_MM,
 185  TILEGX_OPC_MNZ,
 186  TILEGX_OPC_MTSPR,
 187  TILEGX_OPC_MUL_HS_HS,
 188  TILEGX_OPC_MUL_HS_HU,
 189  TILEGX_OPC_MUL_HS_LS,
 190  TILEGX_OPC_MUL_HS_LU,
 191  TILEGX_OPC_MUL_HU_HU,
 192  TILEGX_OPC_MUL_HU_LS,
 193  TILEGX_OPC_MUL_HU_LU,
 194  TILEGX_OPC_MUL_LS_LS,
 195  TILEGX_OPC_MUL_LS_LU,
 196  TILEGX_OPC_MUL_LU_LU,
 197  TILEGX_OPC_MULA_HS_HS,
 198  TILEGX_OPC_MULA_HS_HU,
 199  TILEGX_OPC_MULA_HS_LS,
 200  TILEGX_OPC_MULA_HS_LU,
 201  TILEGX_OPC_MULA_HU_HU,
 202  TILEGX_OPC_MULA_HU_LS,
 203  TILEGX_OPC_MULA_HU_LU,
 204  TILEGX_OPC_MULA_LS_LS,
 205  TILEGX_OPC_MULA_LS_LU,
 206  TILEGX_OPC_MULA_LU_LU,
 207  TILEGX_OPC_MULAX,
 208  TILEGX_OPC_MULX,
 209  TILEGX_OPC_MZ,
 210  TILEGX_OPC_NAP,
 211  TILEGX_OPC_NOP,
 212  TILEGX_OPC_NOR,
 213  TILEGX_OPC_OR,
 214  TILEGX_OPC_ORI,
 215  TILEGX_OPC_PCNT,
 216  TILEGX_OPC_REVBITS,
 217  TILEGX_OPC_REVBYTES,
 218  TILEGX_OPC_ROTL,
 219  TILEGX_OPC_ROTLI,
 220  TILEGX_OPC_SHL,
 221  TILEGX_OPC_SHL16INSLI,
 222  TILEGX_OPC_SHL1ADD,
 223  TILEGX_OPC_SHL1ADDX,
 224  TILEGX_OPC_SHL2ADD,
 225  TILEGX_OPC_SHL2ADDX,
 226  TILEGX_OPC_SHL3ADD,
 227  TILEGX_OPC_SHL3ADDX,
 228  TILEGX_OPC_SHLI,
 229  TILEGX_OPC_SHLX,
 230  TILEGX_OPC_SHLXI,
 231  TILEGX_OPC_SHRS,
 232  TILEGX_OPC_SHRSI,
 233  TILEGX_OPC_SHRU,
 234  TILEGX_OPC_SHRUI,
 235  TILEGX_OPC_SHRUX,
 236  TILEGX_OPC_SHRUXI,
 237  TILEGX_OPC_SHUFFLEBYTES,
 238  TILEGX_OPC_ST,
 239  TILEGX_OPC_ST1,
 240  TILEGX_OPC_ST1_ADD,
 241  TILEGX_OPC_ST2,
 242  TILEGX_OPC_ST2_ADD,
 243  TILEGX_OPC_ST4,
 244  TILEGX_OPC_ST4_ADD,
 245  TILEGX_OPC_ST_ADD,
 246  TILEGX_OPC_STNT,
 247  TILEGX_OPC_STNT1,
 248  TILEGX_OPC_STNT1_ADD,
 249  TILEGX_OPC_STNT2,
 250  TILEGX_OPC_STNT2_ADD,
 251  TILEGX_OPC_STNT4,
 252  TILEGX_OPC_STNT4_ADD,
 253  TILEGX_OPC_STNT_ADD,
 254  TILEGX_OPC_SUB,
 255  TILEGX_OPC_SUBX,
 256  TILEGX_OPC_SUBXSC,
 257  TILEGX_OPC_SWINT0,
 258  TILEGX_OPC_SWINT1,
 259  TILEGX_OPC_SWINT2,
 260  TILEGX_OPC_SWINT3,
 261  TILEGX_OPC_TBLIDXB0,
 262  TILEGX_OPC_TBLIDXB1,
 263  TILEGX_OPC_TBLIDXB2,
 264  TILEGX_OPC_TBLIDXB3,
 265  TILEGX_OPC_V1ADD,
 266  TILEGX_OPC_V1ADDI,
 267  TILEGX_OPC_V1ADDUC,
 268  TILEGX_OPC_V1ADIFFU,
 269  TILEGX_OPC_V1AVGU,
 270  TILEGX_OPC_V1CMPEQ,
 271  TILEGX_OPC_V1CMPEQI,
 272  TILEGX_OPC_V1CMPLES,
 273  TILEGX_OPC_V1CMPLEU,
 274  TILEGX_OPC_V1CMPLTS,
 275  TILEGX_OPC_V1CMPLTSI,
 276  TILEGX_OPC_V1CMPLTU,
 277  TILEGX_OPC_V1CMPLTUI,
 278  TILEGX_OPC_V1CMPNE,
 279  TILEGX_OPC_V1DDOTPU,
 280  TILEGX_OPC_V1DDOTPUA,
 281  TILEGX_OPC_V1DDOTPUS,
 282  TILEGX_OPC_V1DDOTPUSA,
 283  TILEGX_OPC_V1DOTP,
 284  TILEGX_OPC_V1DOTPA,
 285  TILEGX_OPC_V1DOTPU,
 286  TILEGX_OPC_V1DOTPUA,
 287  TILEGX_OPC_V1DOTPUS,
 288  TILEGX_OPC_V1DOTPUSA,
 289  TILEGX_OPC_V1INT_H,
 290  TILEGX_OPC_V1INT_L,
 291  TILEGX_OPC_V1MAXU,
 292  TILEGX_OPC_V1MAXUI,
 293  TILEGX_OPC_V1MINU,
 294  TILEGX_OPC_V1MINUI,
 295  TILEGX_OPC_V1MNZ,
 296  TILEGX_OPC_V1MULTU,
 297  TILEGX_OPC_V1MULU,
 298  TILEGX_OPC_V1MULUS,
 299  TILEGX_OPC_V1MZ,
 300  TILEGX_OPC_V1SADAU,
 301  TILEGX_OPC_V1SADU,
 302  TILEGX_OPC_V1SHL,
 303  TILEGX_OPC_V1SHLI,
 304  TILEGX_OPC_V1SHRS,
 305  TILEGX_OPC_V1SHRSI,
 306  TILEGX_OPC_V1SHRU,
 307  TILEGX_OPC_V1SHRUI,
 308  TILEGX_OPC_V1SUB,
 309  TILEGX_OPC_V1SUBUC,
 310  TILEGX_OPC_V2ADD,
 311  TILEGX_OPC_V2ADDI,
 312  TILEGX_OPC_V2ADDSC,
 313  TILEGX_OPC_V2ADIFFS,
 314  TILEGX_OPC_V2AVGS,
 315  TILEGX_OPC_V2CMPEQ,
 316  TILEGX_OPC_V2CMPEQI,
 317  TILEGX_OPC_V2CMPLES,
 318  TILEGX_OPC_V2CMPLEU,
 319  TILEGX_OPC_V2CMPLTS,
 320  TILEGX_OPC_V2CMPLTSI,
 321  TILEGX_OPC_V2CMPLTU,
 322  TILEGX_OPC_V2CMPLTUI,
 323  TILEGX_OPC_V2CMPNE,
 324  TILEGX_OPC_V2DOTP,
 325  TILEGX_OPC_V2DOTPA,
 326  TILEGX_OPC_V2INT_H,
 327  TILEGX_OPC_V2INT_L,
 328  TILEGX_OPC_V2MAXS,
 329  TILEGX_OPC_V2MAXSI,
 330  TILEGX_OPC_V2MINS,
 331  TILEGX_OPC_V2MINSI,
 332  TILEGX_OPC_V2MNZ,
 333  TILEGX_OPC_V2MULFSC,
 334  TILEGX_OPC_V2MULS,
 335  TILEGX_OPC_V2MULTS,
 336  TILEGX_OPC_V2MZ,
 337  TILEGX_OPC_V2PACKH,
 338  TILEGX_OPC_V2PACKL,
 339  TILEGX_OPC_V2PACKUC,
 340  TILEGX_OPC_V2SADAS,
 341  TILEGX_OPC_V2SADAU,
 342  TILEGX_OPC_V2SADS,
 343  TILEGX_OPC_V2SADU,
 344  TILEGX_OPC_V2SHL,
 345  TILEGX_OPC_V2SHLI,
 346  TILEGX_OPC_V2SHLSC,
 347  TILEGX_OPC_V2SHRS,
 348  TILEGX_OPC_V2SHRSI,
 349  TILEGX_OPC_V2SHRU,
 350  TILEGX_OPC_V2SHRUI,
 351  TILEGX_OPC_V2SUB,
 352  TILEGX_OPC_V2SUBSC,
 353  TILEGX_OPC_V4ADD,
 354  TILEGX_OPC_V4ADDSC,
 355  TILEGX_OPC_V4INT_H,
 356  TILEGX_OPC_V4INT_L,
 357  TILEGX_OPC_V4PACKSC,
 358  TILEGX_OPC_V4SHL,
 359  TILEGX_OPC_V4SHLSC,
 360  TILEGX_OPC_V4SHRS,
 361  TILEGX_OPC_V4SHRU,
 362  TILEGX_OPC_V4SUB,
 363  TILEGX_OPC_V4SUBSC,
 364  TILEGX_OPC_WH64,
 365  TILEGX_OPC_XOR,
 366  TILEGX_OPC_XORI,
 367  TILEGX_OPC_NONE
 368} tilegx_mnemonic;
 369
 370
 371
 372typedef enum
 373{
 374  TILEGX_PIPELINE_X0,
 375  TILEGX_PIPELINE_X1,
 376  TILEGX_PIPELINE_Y0,
 377  TILEGX_PIPELINE_Y1,
 378  TILEGX_PIPELINE_Y2,
 379} tilegx_pipeline;
 380
 381#define tilegx_is_x_pipeline(p) ((int)(p) <= (int)TILEGX_PIPELINE_X1)
 382
 383typedef enum
 384{
 385  TILEGX_OP_TYPE_REGISTER,
 386  TILEGX_OP_TYPE_IMMEDIATE,
 387  TILEGX_OP_TYPE_ADDRESS,
 388  TILEGX_OP_TYPE_SPR
 389} tilegx_operand_type;
 390
 391struct tilegx_operand
 392{
 393  /* Is this operand a register, immediate or address? */
 394  tilegx_operand_type type;
 395
 396  /* The default relocation type for this operand.  */
 397  signed int default_reloc : 16;
 398
 399  /* How many bits is this value? (used for range checking) */
 400  unsigned int num_bits : 5;
 401
 402  /* Is the value signed? (used for range checking) */
 403  unsigned int is_signed : 1;
 404
 405  /* Is this operand a source register? */
 406  unsigned int is_src_reg : 1;
 407
 408  /* Is this operand written? (i.e. is it a destination register) */
 409  unsigned int is_dest_reg : 1;
 410
 411  /* Is this operand PC-relative? */
 412  unsigned int is_pc_relative : 1;
 413
 414  /* By how many bits do we right shift the value before inserting? */
 415  unsigned int rightshift : 2;
 416
 417  /* Return the bits for this operand to be ORed into an existing bundle. */
 418  tilegx_bundle_bits (*insert) (int op);
 419
 420  /* Extract this operand and return it. */
 421  unsigned int (*extract) (tilegx_bundle_bits bundle);
 422};
 423
 424
 425extern const struct tilegx_operand tilegx_operands[];
 426
 427/* One finite-state machine per pipe for rapid instruction decoding. */
 428extern const unsigned short * const
 429tilegx_bundle_decoder_fsms[TILEGX_NUM_PIPELINE_ENCODINGS];
 430
 431
 432struct tilegx_opcode
 433{
 434  /* The opcode mnemonic, e.g. "add" */
 435  const char *name;
 436
 437  /* The enum value for this mnemonic. */
 438  tilegx_mnemonic mnemonic;
 439
 440  /* A bit mask of which of the five pipes this instruction
 441     is compatible with:
 442     X0  0x01
 443     X1  0x02
 444     Y0  0x04
 445     Y1  0x08
 446     Y2  0x10 */
 447  unsigned char pipes;
 448
 449  /* How many operands are there? */
 450  unsigned char num_operands;
 451
 452  /* Which register does this write implicitly, or TREG_ZERO if none? */
 453  unsigned char implicitly_written_register;
 454
 455  /* Can this be bundled with other instructions (almost always true). */
 456  unsigned char can_bundle;
 457
 458  /* The description of the operands. Each of these is an
 459   * index into the tilegx_operands[] table. */
 460  unsigned char operands[TILEGX_NUM_PIPELINE_ENCODINGS][TILEGX_MAX_OPERANDS];
 461
 462};
 463
 464extern const struct tilegx_opcode tilegx_opcodes[];
 465
 466/* Used for non-textual disassembly into structs. */
 467struct tilegx_decoded_instruction
 468{
 469  const struct tilegx_opcode *opcode;
 470  const struct tilegx_operand *operands[TILEGX_MAX_OPERANDS];
 471  long long operand_values[TILEGX_MAX_OPERANDS];
 472};
 473
 474
 475/* Disassemble a bundle into a struct for machine processing. */
 476extern int parse_insn_tilegx(tilegx_bundle_bits bits,
 477                             unsigned long long pc,
 478                             struct tilegx_decoded_instruction
 479                             decoded[TILEGX_MAX_INSTRUCTIONS_PER_BUNDLE]);
 480
 481
 482
 483#endif /* opcode_tilegx_h */
 484