| 1 | /* Disassemble Imagination Technologies Meta instructions. |
| 2 | Copyright (C) 2013 Free Software Foundation, Inc. |
| 3 | Contributed by Imagination Technologies Ltd. |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 3 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | It is distributed in the hope that it will be useful, but WITHOUT |
| 11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 12 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 13 | License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 18 | MA 02110-1301, USA. */ |
| 19 | |
| 20 | #include "sysdep.h" |
| 21 | #include "dis-asm.h" |
| 22 | #include "opintl.h" |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <stdlib.h> |
| 26 | #include <string.h> |
| 27 | |
| 28 | #include "opcode/metag.h" |
| 29 | |
| 30 | /* Column widths for printing. */ |
| 31 | #define PREFIX_WIDTH "10" |
| 32 | #define INSN_NAME_WIDTH "10" |
| 33 | |
| 34 | #define OPERAND_WIDTH 92 |
| 35 | #define ADDR_WIDTH 20 |
| 36 | #define REG_WIDTH 64 |
| 37 | #define DSP_PREFIX_WIDTH 17 |
| 38 | |
| 39 | /* Value to print if we fail to parse a register name. */ |
| 40 | const char unknown_reg[] = "?"; |
| 41 | |
| 42 | /* Return the size of a GET or SET instruction. */ |
| 43 | unsigned int |
| 44 | metag_get_set_size_bytes (unsigned int opcode) |
| 45 | { |
| 46 | switch (((opcode) >> 24) & 0x5) |
| 47 | { |
| 48 | case 0x5: |
| 49 | return 8; |
| 50 | case 0x4: |
| 51 | return 4; |
| 52 | case 0x1: |
| 53 | return 2; |
| 54 | case 0x0: |
| 55 | return 1; |
| 56 | } |
| 57 | return 1; |
| 58 | } |
| 59 | |
| 60 | /* Return the size of an extended GET or SET instruction. */ |
| 61 | unsigned int |
| 62 | metag_get_set_ext_size_bytes (unsigned int opcode) |
| 63 | { |
| 64 | switch (((opcode) >> 1) & 0x3) |
| 65 | { |
| 66 | case 0x3: |
| 67 | return 8; |
| 68 | case 0x2: |
| 69 | return 4; |
| 70 | case 0x1: |
| 71 | return 2; |
| 72 | case 0x0: |
| 73 | return 1; |
| 74 | } |
| 75 | return 1; |
| 76 | } |
| 77 | |
| 78 | /* Return the size of a conditional SET instruction. */ |
| 79 | unsigned int |
| 80 | metag_cond_set_size_bytes (unsigned int opcode) |
| 81 | { |
| 82 | switch (opcode & 0x201) |
| 83 | { |
| 84 | case 0x201: |
| 85 | return 8; |
| 86 | case 0x200: |
| 87 | return 4; |
| 88 | case 0x001: |
| 89 | return 2; |
| 90 | case 0x000: |
| 91 | return 1; |
| 92 | } |
| 93 | return 1; |
| 94 | } |
| 95 | |
| 96 | /* Return a value sign-extended. */ |
| 97 | static int |
| 98 | sign_extend (int n, unsigned int bits) |
| 99 | { |
| 100 | int mask = 1 << (bits - 1); |
| 101 | return -(n & mask) | n; |
| 102 | } |
| 103 | |
| 104 | /* Return the short interpretation of UNIT. */ |
| 105 | static unsigned int |
| 106 | short_unit (unsigned int unit) |
| 107 | { |
| 108 | if (unit == UNIT_CT) |
| 109 | return UNIT_A1; |
| 110 | else |
| 111 | return unit; |
| 112 | } |
| 113 | |
| 114 | /* Return the register corresponding to UNIT and NUMBER or NULL. */ |
| 115 | static const metag_reg * |
| 116 | lookup_reg (unsigned int unit, unsigned int number) |
| 117 | { |
| 118 | size_t i; |
| 119 | |
| 120 | for (i = 0; i < sizeof(metag_regtab)/sizeof(metag_regtab[0]); i++) |
| 121 | { |
| 122 | const metag_reg *reg = &metag_regtab[i]; |
| 123 | |
| 124 | if (reg->unit == unit && reg->no == number) |
| 125 | return reg; |
| 126 | } |
| 127 | return NULL; |
| 128 | } |
| 129 | |
| 130 | |
| 131 | /* Return the register name corresponding to UNIT and NUMBER or NULL. */ |
| 132 | static const char * |
| 133 | lookup_reg_name (unsigned int unit, unsigned int number) |
| 134 | { |
| 135 | const metag_reg *reg; |
| 136 | |
| 137 | reg = lookup_reg (unit, number); |
| 138 | |
| 139 | if (reg) |
| 140 | return reg->name; |
| 141 | else |
| 142 | return unknown_reg; |
| 143 | } |
| 144 | |
| 145 | /* Return the unit that is the pair of UNIT. */ |
| 146 | static unsigned int |
| 147 | get_pair_unit (unsigned int unit) |
| 148 | { |
| 149 | switch (unit) |
| 150 | { |
| 151 | case UNIT_D0: |
| 152 | return UNIT_D1; |
| 153 | case UNIT_D1: |
| 154 | return UNIT_D0; |
| 155 | case UNIT_A0: |
| 156 | return UNIT_A1; |
| 157 | case UNIT_A1: |
| 158 | return UNIT_A0; |
| 159 | default: |
| 160 | return unit; |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | /* Return the name of the pair register for UNIT and NUMBER or NULL. */ |
| 165 | static const char * |
| 166 | lookup_pair_reg_name (unsigned int unit, unsigned int number) |
| 167 | { |
| 168 | if (unit == UNIT_FX) |
| 169 | return lookup_reg_name (unit, number + 1); |
| 170 | else |
| 171 | return lookup_reg_name (get_pair_unit (unit), number); |
| 172 | } |
| 173 | |
| 174 | /* Return the name of the accumulator register for PART. */ |
| 175 | static const char * |
| 176 | lookup_acf_name (unsigned int part) |
| 177 | { |
| 178 | size_t i; |
| 179 | |
| 180 | for (i = 0; i < sizeof(metag_acftab)/sizeof(metag_acftab[0]); i++) |
| 181 | { |
| 182 | const metag_acf *acf = &metag_acftab[i]; |
| 183 | |
| 184 | if (acf->part == part) |
| 185 | return acf->name; |
| 186 | } |
| 187 | return "ACF.?"; |
| 188 | } |
| 189 | |
| 190 | /* Return the register name for the O2R register for UNIT and NUMBER. */ |
| 191 | static const char * |
| 192 | lookup_o2r (enum metag_unit unit, unsigned int number) |
| 193 | { |
| 194 | unsigned int o2r_unit; |
| 195 | enum metag_unit actual_unit = UNIT_A0; |
| 196 | const metag_reg *reg; |
| 197 | |
| 198 | o2r_unit = (number & ~O2R_REG_MASK) >> 3; |
| 199 | number = number & O2R_REG_MASK; |
| 200 | |
| 201 | if (unit == UNIT_A0) |
| 202 | { |
| 203 | switch (o2r_unit) |
| 204 | { |
| 205 | case 0: |
| 206 | actual_unit = UNIT_A1; |
| 207 | break; |
| 208 | case 1: |
| 209 | actual_unit = UNIT_D0; |
| 210 | break; |
| 211 | case 2: |
| 212 | actual_unit = UNIT_RD; |
| 213 | break; |
| 214 | case 3: |
| 215 | actual_unit = UNIT_D1; |
| 216 | break; |
| 217 | } |
| 218 | } |
| 219 | else if (unit == UNIT_A1) |
| 220 | { |
| 221 | switch (o2r_unit) |
| 222 | { |
| 223 | case 0: |
| 224 | actual_unit = UNIT_D1; |
| 225 | break; |
| 226 | case 1: |
| 227 | actual_unit = UNIT_D0; |
| 228 | break; |
| 229 | case 2: |
| 230 | actual_unit = UNIT_RD; |
| 231 | break; |
| 232 | case 3: |
| 233 | actual_unit = UNIT_A0; |
| 234 | break; |
| 235 | } |
| 236 | } |
| 237 | else if (unit == UNIT_D0) |
| 238 | { |
| 239 | switch (o2r_unit) |
| 240 | { |
| 241 | case 0: |
| 242 | actual_unit = UNIT_A1; |
| 243 | break; |
| 244 | case 1: |
| 245 | actual_unit = UNIT_D1; |
| 246 | break; |
| 247 | case 2: |
| 248 | actual_unit = UNIT_RD; |
| 249 | break; |
| 250 | case 3: |
| 251 | actual_unit = UNIT_A0; |
| 252 | break; |
| 253 | } |
| 254 | } |
| 255 | else if (unit == UNIT_D1) |
| 256 | { |
| 257 | switch (o2r_unit) |
| 258 | { |
| 259 | case 0: |
| 260 | actual_unit = UNIT_A1; |
| 261 | break; |
| 262 | case 1: |
| 263 | actual_unit = UNIT_D0; |
| 264 | break; |
| 265 | case 2: |
| 266 | actual_unit = UNIT_RD; |
| 267 | break; |
| 268 | case 3: |
| 269 | actual_unit = UNIT_A0; |
| 270 | break; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | reg = lookup_reg (actual_unit, number); |
| 275 | |
| 276 | if (reg) |
| 277 | return reg->name; |
| 278 | else |
| 279 | return unknown_reg; |
| 280 | } |
| 281 | |
| 282 | /* Return the string for split condition code CODE. */ |
| 283 | static const char * |
| 284 | lookup_scc_flags (unsigned int code) |
| 285 | { |
| 286 | size_t i; |
| 287 | |
| 288 | for (i = 0; i < sizeof (metag_dsp_scondtab) / sizeof (metag_dsp_scondtab[0]); i++) |
| 289 | { |
| 290 | if (metag_dsp_scondtab[i].code == code) |
| 291 | { |
| 292 | return metag_dsp_scondtab[i].name; |
| 293 | } |
| 294 | } |
| 295 | return NULL; |
| 296 | } |
| 297 | |
| 298 | /* Return the string for FPU split condition code CODE. */ |
| 299 | static const char * |
| 300 | lookup_fpu_scc_flags (unsigned int code) |
| 301 | { |
| 302 | size_t i; |
| 303 | |
| 304 | for (i = 0; i < sizeof (metag_fpu_scondtab) / sizeof (metag_fpu_scondtab[0]); i++) |
| 305 | { |
| 306 | if (metag_fpu_scondtab[i].code == code) |
| 307 | { |
| 308 | return metag_fpu_scondtab[i].name; |
| 309 | } |
| 310 | } |
| 311 | return NULL; |
| 312 | } |
| 313 | |
| 314 | /* Print an instruction with PREFIX, NAME and OPERANDS. */ |
| 315 | static void |
| 316 | print_insn (disassemble_info *outf, const char *prefix, const char *name, |
| 317 | const char *operands) |
| 318 | { |
| 319 | outf->fprintf_func (outf->stream, "%-" PREFIX_WIDTH "s%-" INSN_NAME_WIDTH "s%s", prefix, name, operands); |
| 320 | } |
| 321 | |
| 322 | /* Print an instruction with no operands. */ |
| 323 | static void |
| 324 | print_none (unsigned int insn_word ATTRIBUTE_UNUSED, |
| 325 | bfd_vma pc ATTRIBUTE_UNUSED, |
| 326 | const insn_template *template, |
| 327 | disassemble_info *outf) |
| 328 | { |
| 329 | outf->fprintf_func (outf->stream, "%-" PREFIX_WIDTH "s%s", "", |
| 330 | template->name); |
| 331 | } |
| 332 | |
| 333 | /* Print a unit to unit MOV instruction. */ |
| 334 | static void |
| 335 | print_mov_u2u (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 336 | const insn_template *template, |
| 337 | disassemble_info *outf) |
| 338 | { |
| 339 | unsigned int dest_unit, dest_no, src_unit, src_no; |
| 340 | unsigned int is_kick = (insn_word & 0x1) && !((insn_word >> 9) & 0x1); |
| 341 | unsigned int major = MAJOR_OPCODE (insn_word); |
| 342 | unsigned int minor = MINOR_OPCODE (insn_word); |
| 343 | char buf[OPERAND_WIDTH]; |
| 344 | const char *dest_reg; |
| 345 | const char *src_reg; |
| 346 | |
| 347 | dest_unit = (insn_word >> 5) & UNIT_MASK; |
| 348 | dest_no = (insn_word >> 14) & REG_MASK; |
| 349 | |
| 350 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 351 | |
| 352 | if (is_kick) |
| 353 | src_unit = UNIT_TR; |
| 354 | else |
| 355 | src_unit = (insn_word >> 10) & UNIT_MASK; |
| 356 | |
| 357 | /* This is really an RTI/RTH. No, really. */ |
| 358 | if (major == OPC_MISC && |
| 359 | minor == 0x3 && |
| 360 | src_unit == 0xf) |
| 361 | { |
| 362 | if (insn_word & 0x800000) |
| 363 | outf->fprintf_func (outf->stream, "%-" PREFIX_WIDTH "s%s", "", |
| 364 | "RTI"); |
| 365 | else |
| 366 | outf->fprintf_func (outf->stream, "%-" PREFIX_WIDTH "s%s", "", |
| 367 | "RTH"); |
| 368 | |
| 369 | return; |
| 370 | } |
| 371 | |
| 372 | src_no = (insn_word >> 19) & REG_MASK; |
| 373 | |
| 374 | src_reg = lookup_reg_name (src_unit, src_no); |
| 375 | |
| 376 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 377 | |
| 378 | if (dest_unit == UNIT_FX || src_unit == UNIT_FX) |
| 379 | print_insn (outf, "F", template->name, buf); |
| 380 | else |
| 381 | print_insn (outf, "", template->name, buf); |
| 382 | } |
| 383 | |
| 384 | /* Print a MOV to port instruction. */ |
| 385 | static void |
| 386 | print_mov_port (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 387 | const insn_template *template, |
| 388 | disassemble_info *outf) |
| 389 | { |
| 390 | unsigned int dest_unit, dest1_no, dest2_no, src_unit, src_no; |
| 391 | unsigned int is_movl = MINOR_OPCODE (insn_word) == MOVL_MINOR; |
| 392 | char buf[OPERAND_WIDTH]; |
| 393 | const char *dest_reg; |
| 394 | const char *pair_reg; |
| 395 | const char *src_reg; |
| 396 | |
| 397 | if (is_movl) |
| 398 | dest_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 399 | else |
| 400 | dest_unit = (insn_word >> 5) & UNIT_MASK; |
| 401 | |
| 402 | dest1_no = (insn_word >> 14) & REG_MASK; |
| 403 | dest2_no = (insn_word >> 9) & REG_MASK; |
| 404 | |
| 405 | dest_reg = lookup_reg_name (dest_unit, dest1_no); |
| 406 | pair_reg = lookup_pair_reg_name (dest_unit, dest2_no); |
| 407 | |
| 408 | src_unit = UNIT_RD; |
| 409 | src_no = 0; |
| 410 | |
| 411 | src_reg = lookup_reg_name (src_unit, src_no); |
| 412 | |
| 413 | if (is_movl) |
| 414 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, pair_reg, src_reg); |
| 415 | else |
| 416 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 417 | |
| 418 | if (dest_unit == UNIT_FX) |
| 419 | print_insn (outf, "F", template->name, buf); |
| 420 | else |
| 421 | print_insn (outf, "", template->name, buf); |
| 422 | } |
| 423 | |
| 424 | /* Return the number of bits set in rmask. */ |
| 425 | static unsigned int hweight (unsigned int rmask) |
| 426 | { |
| 427 | unsigned int count; |
| 428 | |
| 429 | for (count = 0; rmask; count++) |
| 430 | { |
| 431 | rmask &= rmask - 1; |
| 432 | } |
| 433 | |
| 434 | return count; |
| 435 | } |
| 436 | |
| 437 | /* Print a MOVL to TTREC instruction. */ |
| 438 | static void |
| 439 | print_movl_ttrec (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 440 | const insn_template *template, |
| 441 | disassemble_info *outf) |
| 442 | { |
| 443 | unsigned int dest_unit, dest_no, src1_no, src2_no, src_unit; |
| 444 | char buf[OPERAND_WIDTH]; |
| 445 | const char *dest_reg; |
| 446 | const char *src_reg; |
| 447 | const char *pair_reg; |
| 448 | |
| 449 | dest_unit = UNIT_TT; |
| 450 | dest_no = 3; |
| 451 | |
| 452 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 453 | |
| 454 | src1_no = (insn_word >> 19) & REG_MASK; |
| 455 | src2_no = (insn_word >> 14) & REG_MASK; |
| 456 | |
| 457 | src_unit = short_unit ((insn_word >> 7) & SHORT_UNIT_MASK); |
| 458 | |
| 459 | src_reg = lookup_reg_name (src_unit, src1_no); |
| 460 | pair_reg = lookup_pair_reg_name (src_unit, src2_no); |
| 461 | |
| 462 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src_reg, pair_reg); |
| 463 | |
| 464 | print_insn (outf, "", template->name, buf); |
| 465 | } |
| 466 | |
| 467 | /* Format a GET or SET address mode string from INSN_WORD into BUF. */ |
| 468 | static void |
| 469 | get_set_addr_str (char *buf, unsigned int buf_size, unsigned int size, |
| 470 | unsigned int insn_word) |
| 471 | { |
| 472 | const char *base_reg; |
| 473 | unsigned int base_unit, base_no; |
| 474 | unsigned int imm = (insn_word >> 25) & 1; |
| 475 | unsigned int ua = (insn_word >> 7) & 1; |
| 476 | unsigned int pp = insn_word & 1; |
| 477 | |
| 478 | base_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 479 | base_no = (insn_word >> 14) & REG_MASK; |
| 480 | |
| 481 | base_reg = lookup_reg_name (base_unit, base_no); |
| 482 | |
| 483 | if (imm) |
| 484 | { |
| 485 | int offset = (insn_word >> 8) & GET_SET_IMM_MASK; |
| 486 | |
| 487 | offset = sign_extend (offset, GET_SET_IMM_BITS); |
| 488 | |
| 489 | if (offset == 0) |
| 490 | { |
| 491 | snprintf (buf, buf_size, "[%s]", base_reg); |
| 492 | return; |
| 493 | } |
| 494 | |
| 495 | if (offset == 1 && ua) |
| 496 | { |
| 497 | if (pp) |
| 498 | snprintf (buf, buf_size, "[%s++]", base_reg); |
| 499 | else |
| 500 | snprintf (buf, buf_size, "[++%s]", base_reg); |
| 501 | |
| 502 | return; |
| 503 | } |
| 504 | else if (offset == -1 && ua) |
| 505 | { |
| 506 | if (pp) |
| 507 | snprintf (buf, buf_size, "[%s--]", base_reg); |
| 508 | else |
| 509 | snprintf (buf, buf_size, "[--%s]", base_reg); |
| 510 | |
| 511 | return; |
| 512 | } |
| 513 | |
| 514 | offset = offset * size; |
| 515 | |
| 516 | if (ua) |
| 517 | { |
| 518 | if (pp) |
| 519 | snprintf (buf, buf_size, "[%s+#%d++]", base_reg, offset); |
| 520 | else |
| 521 | snprintf (buf, buf_size, "[%s++#%d]", base_reg, offset); |
| 522 | } |
| 523 | else |
| 524 | snprintf (buf, buf_size, "[%s+#%d]", base_reg, offset); |
| 525 | } |
| 526 | else |
| 527 | { |
| 528 | const char *offset_reg; |
| 529 | unsigned int offset_no; |
| 530 | |
| 531 | offset_no = (insn_word >> 9) & REG_MASK; |
| 532 | |
| 533 | offset_reg = lookup_reg_name (base_unit, offset_no); |
| 534 | |
| 535 | if (ua) |
| 536 | { |
| 537 | if (pp) |
| 538 | snprintf (buf, buf_size, "[%s+%s++]", base_reg, offset_reg); |
| 539 | else |
| 540 | snprintf (buf, buf_size, "[%s++%s]", base_reg, offset_reg); |
| 541 | } |
| 542 | else |
| 543 | snprintf (buf, buf_size, "[%s+%s]", base_reg, offset_reg); |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | /* Format an extended GET or SET address mode string from INSN_WORD into BUF. */ |
| 548 | static void |
| 549 | get_set_ext_addr_str (char *buf, unsigned int buf_size, unsigned int size, |
| 550 | unsigned int insn_word) |
| 551 | { |
| 552 | const char *base_reg; |
| 553 | unsigned int base_unit, base_no; |
| 554 | int offset; |
| 555 | |
| 556 | base_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 557 | base_no = insn_word & EXT_BASE_REG_MASK; |
| 558 | |
| 559 | base_reg = lookup_reg_name (base_unit, base_no); |
| 560 | |
| 561 | offset = (insn_word >> 7) & GET_SET_EXT_IMM_MASK; |
| 562 | |
| 563 | offset = sign_extend (offset, GET_SET_EXT_IMM_BITS); |
| 564 | |
| 565 | offset = offset * size; |
| 566 | |
| 567 | if (offset == 0) |
| 568 | { |
| 569 | snprintf (buf, buf_size, "[%s]", base_reg); |
| 570 | } |
| 571 | else |
| 572 | { |
| 573 | snprintf (buf, buf_size, "[%s+#%d]", base_reg, offset); |
| 574 | } |
| 575 | } |
| 576 | |
| 577 | /* Format an MGET or MSET address mode string from INSN_WORD into BUF. */ |
| 578 | static void |
| 579 | mget_mset_addr_str (char *buf, unsigned int buf_size, |
| 580 | unsigned int insn_word) |
| 581 | { |
| 582 | const char *base_reg; |
| 583 | unsigned int base_unit, base_no; |
| 584 | |
| 585 | base_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 586 | base_no = (insn_word >> 14) & REG_MASK; |
| 587 | |
| 588 | base_reg = lookup_reg_name (base_unit, base_no); |
| 589 | |
| 590 | snprintf (buf, buf_size, "[%s++]", base_reg); |
| 591 | } |
| 592 | |
| 593 | /* Format a conditional SET address mode string from INSN_WORD into BUF. */ |
| 594 | static void |
| 595 | cond_set_addr_str (char *buf, unsigned int buf_size, |
| 596 | unsigned int insn_word) |
| 597 | { |
| 598 | const char *base_reg; |
| 599 | unsigned int base_unit, base_no; |
| 600 | |
| 601 | base_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 602 | base_no = (insn_word >> 14) & REG_MASK; |
| 603 | |
| 604 | base_reg = lookup_reg_name (base_unit, base_no); |
| 605 | |
| 606 | snprintf (buf, buf_size, "[%s]", base_reg); |
| 607 | } |
| 608 | |
| 609 | /* Format a cache instruction address mode string from INSN_WORD into BUF. */ |
| 610 | static void |
| 611 | cache_addr_str (char *buf, unsigned int buf_size, unsigned int insn_word, |
| 612 | int width) |
| 613 | { |
| 614 | const char *base_reg; |
| 615 | unsigned int base_unit, base_no; |
| 616 | int offset; |
| 617 | |
| 618 | base_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 619 | base_no = (insn_word >> 14) & REG_MASK; |
| 620 | |
| 621 | base_reg = lookup_reg_name (base_unit, base_no); |
| 622 | |
| 623 | offset = (insn_word >> 8) & GET_SET_IMM_MASK; |
| 624 | |
| 625 | offset = sign_extend (offset, GET_SET_IMM_BITS); |
| 626 | |
| 627 | offset = offset * width; |
| 628 | |
| 629 | if (offset == 0) |
| 630 | { |
| 631 | snprintf (buf, buf_size, "[%s]", base_reg); |
| 632 | } |
| 633 | else |
| 634 | { |
| 635 | snprintf (buf, buf_size, "[%s+#%d]", base_reg, offset); |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | /* Format a list of registers starting at REG_UNIT and REG_NO and conforming |
| 640 | to RMASK into BUF. */ |
| 641 | static void |
| 642 | lookup_reg_list (char *reg_buf, size_t buf_len, unsigned int reg_unit, |
| 643 | unsigned int reg_no, unsigned int rmask, |
| 644 | bfd_boolean is_fpu_64bit) |
| 645 | { |
| 646 | const char *regs[MGET_MSET_MAX_REGS]; |
| 647 | size_t used_regs = 1, i, remaining; |
| 648 | |
| 649 | regs[0] = lookup_reg_name (reg_unit, reg_no); |
| 650 | |
| 651 | for (i = 1; i < MGET_MSET_MAX_REGS; i++) |
| 652 | { |
| 653 | if (rmask & 1) |
| 654 | { |
| 655 | if (is_fpu_64bit) |
| 656 | regs[used_regs] = lookup_reg_name (reg_unit, reg_no + (i * 2)); |
| 657 | else |
| 658 | regs[used_regs] = lookup_reg_name (reg_unit, reg_no + i); |
| 659 | used_regs++; |
| 660 | } |
| 661 | rmask = rmask >> 1; |
| 662 | } |
| 663 | |
| 664 | remaining = buf_len; |
| 665 | |
| 666 | for (i = 0; i < used_regs; i++) |
| 667 | { |
| 668 | size_t len; |
| 669 | if (i == 0) |
| 670 | len = snprintf(reg_buf, remaining, "%s", regs[i]); |
| 671 | else |
| 672 | len = snprintf(reg_buf, remaining, ",%s", regs[i]); |
| 673 | |
| 674 | reg_buf += len; |
| 675 | remaining -= len; |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | /* Print a GET instruction. */ |
| 680 | static void |
| 681 | print_get (char *buf, char *addr_buf, unsigned int size, |
| 682 | const char *dest_reg, const char *pair_reg, unsigned int reg_unit, |
| 683 | const insn_template *template, |
| 684 | disassemble_info *outf) |
| 685 | { |
| 686 | if (size == 8) |
| 687 | { |
| 688 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, pair_reg, |
| 689 | addr_buf); |
| 690 | } |
| 691 | else |
| 692 | { |
| 693 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, addr_buf); |
| 694 | } |
| 695 | |
| 696 | if (reg_unit == UNIT_FX) |
| 697 | print_insn (outf, "F", template->name, buf); |
| 698 | else |
| 699 | print_insn (outf, "", template->name, buf); |
| 700 | } |
| 701 | |
| 702 | /* Print a SET instruction. */ |
| 703 | static void |
| 704 | print_set (char *buf, char *addr_buf, unsigned int size, |
| 705 | const char *src_reg, const char *pair_reg, unsigned int reg_unit, |
| 706 | const insn_template *template, |
| 707 | disassemble_info *outf) |
| 708 | { |
| 709 | if (size == 8) |
| 710 | { |
| 711 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", addr_buf, src_reg, pair_reg); |
| 712 | } |
| 713 | else |
| 714 | { |
| 715 | snprintf (buf, OPERAND_WIDTH, "%s,%s", addr_buf, src_reg); |
| 716 | } |
| 717 | |
| 718 | if (reg_unit == UNIT_FX) |
| 719 | print_insn (outf, "F", template->name, buf); |
| 720 | else |
| 721 | print_insn (outf, "", template->name, buf); |
| 722 | } |
| 723 | |
| 724 | /* Print a GET or SET instruction. */ |
| 725 | static void |
| 726 | print_get_set (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 727 | const insn_template *template, |
| 728 | disassemble_info *outf) |
| 729 | { |
| 730 | bfd_boolean is_get = MAJOR_OPCODE (template->meta_opcode) == OPC_GET; |
| 731 | char buf[OPERAND_WIDTH]; |
| 732 | char addr_buf[ADDR_WIDTH]; |
| 733 | unsigned int reg_unit, reg_no; |
| 734 | unsigned int size = metag_get_set_size_bytes (insn_word); |
| 735 | const char *reg_name; |
| 736 | const char *pair_reg; |
| 737 | |
| 738 | reg_unit = (insn_word >> 1) & UNIT_MASK; |
| 739 | reg_no = (insn_word >> 19) & REG_MASK; |
| 740 | |
| 741 | /* SETs should always print RD. */ |
| 742 | if (!is_get && reg_unit == UNIT_RD) |
| 743 | reg_no = 0; |
| 744 | |
| 745 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 746 | |
| 747 | pair_reg = lookup_pair_reg_name (reg_unit, reg_no); |
| 748 | |
| 749 | get_set_addr_str (addr_buf, ADDR_WIDTH, size, insn_word); |
| 750 | |
| 751 | if (is_get) |
| 752 | { |
| 753 | /* RD regs are 64 bits wide so don't use the pair syntax. */ |
| 754 | if (reg_unit == UNIT_RD) |
| 755 | print_get (buf, addr_buf, 4, reg_name, pair_reg, reg_unit, |
| 756 | template, outf); |
| 757 | else |
| 758 | print_get (buf, addr_buf, size, reg_name, pair_reg, reg_unit, |
| 759 | template, outf); |
| 760 | } |
| 761 | else |
| 762 | { |
| 763 | /* RD regs are 64 bits wide so don't use the pair syntax. */ |
| 764 | if (reg_unit == UNIT_RD) |
| 765 | print_set (buf, addr_buf, 4, reg_name, pair_reg, reg_unit, |
| 766 | template, outf); |
| 767 | else |
| 768 | print_set (buf, addr_buf, size, reg_name, pair_reg, reg_unit, |
| 769 | template, outf); |
| 770 | } |
| 771 | } |
| 772 | |
| 773 | /* Print an extended GET or SET instruction. */ |
| 774 | static void |
| 775 | print_get_set_ext (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 776 | const insn_template *template, |
| 777 | disassemble_info *outf) |
| 778 | { |
| 779 | bfd_boolean is_get = MINOR_OPCODE (template->meta_opcode) == GET_EXT_MINOR; |
| 780 | bfd_boolean is_mov = MINOR_OPCODE (template->meta_opcode) == MOV_EXT_MINOR; |
| 781 | char buf[OPERAND_WIDTH]; |
| 782 | char addr_buf[ADDR_WIDTH]; |
| 783 | unsigned int reg_unit, reg_no; |
| 784 | unsigned int size = metag_get_set_ext_size_bytes (insn_word); |
| 785 | const char *reg_name; |
| 786 | const char *pair_reg; |
| 787 | |
| 788 | if (is_mov) |
| 789 | reg_unit = UNIT_RD; |
| 790 | else |
| 791 | reg_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 792 | |
| 793 | reg_no = (insn_word >> 19) & REG_MASK; |
| 794 | |
| 795 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 796 | |
| 797 | pair_reg = lookup_pair_reg_name (reg_unit, reg_no); |
| 798 | |
| 799 | get_set_ext_addr_str (addr_buf, ADDR_WIDTH, size, insn_word); |
| 800 | |
| 801 | if (is_get) |
| 802 | print_get (buf, addr_buf, size, reg_name, pair_reg, reg_unit, |
| 803 | template, outf); |
| 804 | else if (is_mov) |
| 805 | print_get (buf, addr_buf, 4, reg_name, pair_reg, reg_unit, |
| 806 | template, outf); |
| 807 | else |
| 808 | print_set (buf, addr_buf, size, reg_name, pair_reg, reg_unit, |
| 809 | template, outf); |
| 810 | } |
| 811 | |
| 812 | /* Print an MGET or MSET instruction. */ |
| 813 | static void |
| 814 | print_mget_mset (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 815 | const insn_template *template, |
| 816 | disassemble_info *outf) |
| 817 | { |
| 818 | bfd_boolean is_get = MAJOR_OPCODE (template->meta_opcode) == OPC_GET; |
| 819 | bfd_boolean is_fpu = (MINOR_OPCODE (template->meta_opcode) & 0x6) == 0x6; |
| 820 | bfd_boolean is_64bit = (MINOR_OPCODE (template->meta_opcode) & 0x1) == 0x1; |
| 821 | char buf[OPERAND_WIDTH]; |
| 822 | char addr_buf[ADDR_WIDTH]; |
| 823 | char reg_buf[REG_WIDTH]; |
| 824 | unsigned int reg_unit, reg_no, rmask; |
| 825 | |
| 826 | if (is_fpu) |
| 827 | reg_unit = UNIT_FX; |
| 828 | else |
| 829 | reg_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 830 | |
| 831 | reg_no = (insn_word >> 19) & REG_MASK; |
| 832 | rmask = (insn_word >> 7) & RMASK_MASK; |
| 833 | |
| 834 | lookup_reg_list (reg_buf, REG_WIDTH, reg_unit, reg_no, rmask, |
| 835 | is_fpu && is_64bit); |
| 836 | |
| 837 | mget_mset_addr_str (addr_buf, ADDR_WIDTH, insn_word); |
| 838 | |
| 839 | if (is_get) |
| 840 | snprintf (buf, OPERAND_WIDTH, "%s,%s", reg_buf, addr_buf); |
| 841 | else |
| 842 | snprintf (buf, OPERAND_WIDTH, "%s,%s", addr_buf, reg_buf); |
| 843 | |
| 844 | if (is_fpu) |
| 845 | print_insn (outf, "F", template->name, buf); |
| 846 | else |
| 847 | print_insn (outf, "", template->name, buf); |
| 848 | } |
| 849 | |
| 850 | /* Print a conditional SET instruction. */ |
| 851 | static void |
| 852 | print_cond_set (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 853 | const insn_template *template, |
| 854 | disassemble_info *outf) |
| 855 | { |
| 856 | char buf[OPERAND_WIDTH]; |
| 857 | char addr_buf[ADDR_WIDTH]; |
| 858 | unsigned int src_unit, src_no; |
| 859 | unsigned int size = metag_cond_set_size_bytes (insn_word); |
| 860 | const char *src_reg; |
| 861 | const char *pair_reg; |
| 862 | |
| 863 | src_unit = (insn_word >> 10) & UNIT_MASK; |
| 864 | src_no = (insn_word >> 19) & REG_MASK; |
| 865 | |
| 866 | if (src_unit == UNIT_RD) |
| 867 | src_no = 0; |
| 868 | |
| 869 | src_reg = lookup_reg_name (src_unit, src_no); |
| 870 | |
| 871 | pair_reg = lookup_pair_reg_name (src_unit, src_no); |
| 872 | |
| 873 | cond_set_addr_str (addr_buf, ADDR_WIDTH, insn_word); |
| 874 | |
| 875 | if (src_unit == UNIT_RD) |
| 876 | print_set (buf, addr_buf, 4, src_reg, pair_reg, src_unit, |
| 877 | template, outf); |
| 878 | else |
| 879 | print_set (buf, addr_buf, size, src_reg, pair_reg, src_unit, |
| 880 | template, outf); |
| 881 | } |
| 882 | |
| 883 | /* Print a MMOV instruction. */ |
| 884 | static void |
| 885 | print_mmov (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 886 | const insn_template *template, |
| 887 | disassemble_info *outf) |
| 888 | { |
| 889 | unsigned int is_fpu = template->insn_type == INSN_FPU; |
| 890 | unsigned int is_prime = ((MINOR_OPCODE (template->meta_opcode) & 0x2) && |
| 891 | !is_fpu); |
| 892 | unsigned int is_64bit = MINOR_OPCODE (template->meta_opcode) & 0x1; |
| 893 | unsigned int is_dsp = template->meta_opcode & 0x1; |
| 894 | unsigned int dest_unit, dest_no, rmask; |
| 895 | char buf[OPERAND_WIDTH]; |
| 896 | char reg_buf[REG_WIDTH]; |
| 897 | char addr_buf[ADDR_WIDTH]; |
| 898 | |
| 899 | if (is_fpu) |
| 900 | dest_no = (insn_word >> 14) & REG_MASK; |
| 901 | else |
| 902 | dest_no = (insn_word >> 19) & REG_MASK; |
| 903 | |
| 904 | rmask = (insn_word >> 7) & RMASK_MASK; |
| 905 | |
| 906 | if (is_prime) |
| 907 | { |
| 908 | const char *dest_reg; |
| 909 | const char *base_reg; |
| 910 | unsigned int base_unit, base_no; |
| 911 | int i, count = hweight (rmask); |
| 912 | |
| 913 | dest_reg = lookup_reg_name (UNIT_RD, dest_no); |
| 914 | |
| 915 | strcpy (reg_buf, dest_reg); |
| 916 | |
| 917 | for (i = 0; i < count; i++) |
| 918 | { |
| 919 | strcat (reg_buf, ","); |
| 920 | strcat (reg_buf, dest_reg); |
| 921 | } |
| 922 | |
| 923 | base_unit = short_unit ((insn_word >> 5) & SHORT_UNIT_MASK); |
| 924 | base_no = (insn_word >> 14) & REG_MASK; |
| 925 | |
| 926 | base_reg = lookup_reg_name (base_unit, base_no); |
| 927 | |
| 928 | snprintf (addr_buf, ADDR_WIDTH, "[%s++]", base_reg); |
| 929 | |
| 930 | snprintf (buf, OPERAND_WIDTH, "%s,%s", reg_buf, addr_buf); |
| 931 | } |
| 932 | else |
| 933 | { |
| 934 | if (is_fpu) |
| 935 | dest_unit = UNIT_FX; |
| 936 | else |
| 937 | dest_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 938 | |
| 939 | lookup_reg_list (reg_buf, REG_WIDTH, dest_unit, dest_no, rmask, |
| 940 | is_fpu && is_64bit); |
| 941 | |
| 942 | snprintf (buf, OPERAND_WIDTH, "%s,RD", reg_buf); |
| 943 | } |
| 944 | |
| 945 | if (is_dsp) |
| 946 | { |
| 947 | char prefix_buf[10] = {0}; |
| 948 | if (is_prime) |
| 949 | { |
| 950 | if (dest_no == 22 || dest_no == 23) |
| 951 | strcpy (prefix_buf, "DB"); |
| 952 | else if (dest_no == 24) |
| 953 | strcpy (prefix_buf, "DBH"); |
| 954 | else if (dest_no == 25) |
| 955 | strcpy (prefix_buf, "DWH"); |
| 956 | else if (dest_no == 31) |
| 957 | strcpy (prefix_buf, "DW"); |
| 958 | } |
| 959 | else |
| 960 | strcpy (prefix_buf, "DW"); |
| 961 | print_insn (outf, prefix_buf, template->name, buf); |
| 962 | } |
| 963 | else if (is_fpu) |
| 964 | print_insn (outf, "F", template->name, buf); |
| 965 | else |
| 966 | print_insn (outf, "", template->name, buf); |
| 967 | } |
| 968 | |
| 969 | /* Print an MDRD instruction. */ |
| 970 | static void |
| 971 | print_mdrd (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 972 | const insn_template *template, |
| 973 | disassemble_info *outf) |
| 974 | { |
| 975 | unsigned int rmask, count; |
| 976 | char buf[OPERAND_WIDTH]; |
| 977 | |
| 978 | rmask = (insn_word >> 7) & RMASK_MASK; |
| 979 | |
| 980 | count = hweight (rmask); |
| 981 | |
| 982 | snprintf (buf, OPERAND_WIDTH, "#%#x", count + 1); |
| 983 | |
| 984 | print_insn (outf, "", template->name, buf); |
| 985 | } |
| 986 | |
| 987 | /* Print an XFR instruction. */ |
| 988 | static void |
| 989 | print_xfr (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 990 | const insn_template *template, |
| 991 | disassemble_info *outf) |
| 992 | { |
| 993 | char buf[OPERAND_WIDTH]; |
| 994 | char dest_buf[ADDR_WIDTH]; |
| 995 | char src_buf[ADDR_WIDTH]; |
| 996 | unsigned int dest_unit, src_unit; |
| 997 | unsigned int dest_no, src_no; |
| 998 | unsigned int us, ud, pp; |
| 999 | const char *dest_base_reg; |
| 1000 | const char *dest_offset_reg; |
| 1001 | const char *src_base_reg; |
| 1002 | const char *src_offset_reg; |
| 1003 | |
| 1004 | src_unit = short_unit ((insn_word >> 2) & SHORT_UNIT_MASK); |
| 1005 | src_no = (insn_word >> 19) & REG_MASK; |
| 1006 | |
| 1007 | src_base_reg = lookup_reg_name (src_unit, src_no); |
| 1008 | |
| 1009 | src_no = (insn_word >> 14) & REG_MASK; |
| 1010 | |
| 1011 | src_offset_reg = lookup_reg_name (src_unit, src_no); |
| 1012 | |
| 1013 | dest_unit = short_unit (insn_word & SHORT_UNIT_MASK); |
| 1014 | dest_no = (insn_word >> 9) & REG_MASK; |
| 1015 | |
| 1016 | dest_base_reg = lookup_reg_name (dest_unit, dest_no); |
| 1017 | |
| 1018 | dest_no = (insn_word >> 4) & REG_MASK; |
| 1019 | |
| 1020 | dest_offset_reg = lookup_reg_name (dest_unit, dest_no); |
| 1021 | |
| 1022 | us = (insn_word >> 27) & 0x1; |
| 1023 | ud = (insn_word >> 26) & 0x1; |
| 1024 | pp = (insn_word >> 24) & 0x1; |
| 1025 | |
| 1026 | if (us) |
| 1027 | if (pp) |
| 1028 | snprintf (src_buf, ADDR_WIDTH, "[%s+%s++]", src_base_reg, |
| 1029 | src_offset_reg); |
| 1030 | else |
| 1031 | snprintf (src_buf, ADDR_WIDTH, "[%s++%s]", src_base_reg, |
| 1032 | src_offset_reg); |
| 1033 | else |
| 1034 | snprintf (src_buf, ADDR_WIDTH, "[%s+%s]", src_base_reg, |
| 1035 | src_offset_reg); |
| 1036 | |
| 1037 | if (ud) |
| 1038 | if (pp) |
| 1039 | snprintf (dest_buf, ADDR_WIDTH, "[%s+%s++]", dest_base_reg, |
| 1040 | dest_offset_reg); |
| 1041 | else |
| 1042 | snprintf (dest_buf, ADDR_WIDTH, "[%s++%s]", dest_base_reg, |
| 1043 | dest_offset_reg); |
| 1044 | else |
| 1045 | snprintf (dest_buf, ADDR_WIDTH, "[%s+%s]", dest_base_reg, |
| 1046 | dest_offset_reg); |
| 1047 | |
| 1048 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_buf, src_buf); |
| 1049 | |
| 1050 | print_insn (outf, "", template->name, buf); |
| 1051 | } |
| 1052 | |
| 1053 | /* Print a MOV to control unit instruction. */ |
| 1054 | static void |
| 1055 | print_mov_ct (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1056 | const insn_template *template, |
| 1057 | disassemble_info *outf) |
| 1058 | { |
| 1059 | char buf[OPERAND_WIDTH]; |
| 1060 | unsigned int reg_no; |
| 1061 | unsigned int se = (insn_word >> 1) & 0x1; |
| 1062 | unsigned int is_trace = (insn_word >> 2) & 0x1; |
| 1063 | int value; |
| 1064 | const char *dest_reg; |
| 1065 | |
| 1066 | reg_no = (insn_word >> 19) & REG_MASK; |
| 1067 | |
| 1068 | if (is_trace) |
| 1069 | dest_reg = lookup_reg_name (UNIT_TT, reg_no); |
| 1070 | else |
| 1071 | dest_reg = lookup_reg_name (UNIT_CT, reg_no); |
| 1072 | |
| 1073 | value = (insn_word >> 3) & IMM16_MASK; |
| 1074 | |
| 1075 | if (se) |
| 1076 | { |
| 1077 | value = sign_extend (value, IMM16_BITS); |
| 1078 | snprintf (buf, OPERAND_WIDTH, "%s,#%d", dest_reg, value); |
| 1079 | } |
| 1080 | else |
| 1081 | { |
| 1082 | snprintf (buf, OPERAND_WIDTH, "%s,#%#x", dest_reg, value); |
| 1083 | } |
| 1084 | |
| 1085 | print_insn (outf, "", template->name, buf); |
| 1086 | } |
| 1087 | |
| 1088 | /* Print a SWAP instruction. */ |
| 1089 | static void |
| 1090 | print_swap (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1091 | const insn_template *template, |
| 1092 | disassemble_info *outf) |
| 1093 | { |
| 1094 | char buf[OPERAND_WIDTH]; |
| 1095 | unsigned int dest_no, src_no; |
| 1096 | unsigned int dest_unit, src_unit; |
| 1097 | const char *dest_reg; |
| 1098 | const char *src_reg; |
| 1099 | |
| 1100 | src_unit = (insn_word >> 10) & UNIT_MASK; |
| 1101 | src_no = (insn_word >> 19) & REG_MASK; |
| 1102 | |
| 1103 | src_reg = lookup_reg_name (src_unit, src_no); |
| 1104 | |
| 1105 | dest_unit = (insn_word >> 5) & UNIT_MASK; |
| 1106 | dest_no = (insn_word >> 14) & REG_MASK; |
| 1107 | |
| 1108 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1109 | |
| 1110 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1111 | |
| 1112 | if (dest_unit == UNIT_FX || src_unit == UNIT_FX) |
| 1113 | print_insn (outf, "F", template->name, buf); |
| 1114 | else |
| 1115 | print_insn (outf, "", template->name, buf); |
| 1116 | } |
| 1117 | |
| 1118 | /* Print a SWAP instruction. */ |
| 1119 | static void |
| 1120 | print_jump (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1121 | const insn_template *template, |
| 1122 | disassemble_info *outf) |
| 1123 | { |
| 1124 | char buf[OPERAND_WIDTH]; |
| 1125 | unsigned int reg_no, reg_unit; |
| 1126 | const char *reg_name; |
| 1127 | int value; |
| 1128 | |
| 1129 | reg_unit = short_unit (insn_word & SHORT_UNIT_MASK); |
| 1130 | reg_no = (insn_word >> 19) & REG_MASK; |
| 1131 | |
| 1132 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 1133 | |
| 1134 | value = (insn_word >> 3) & IMM16_MASK; |
| 1135 | |
| 1136 | snprintf (buf, OPERAND_WIDTH, "%s,#%#x", reg_name, value); |
| 1137 | |
| 1138 | print_insn (outf, "", template->name, buf); |
| 1139 | } |
| 1140 | |
| 1141 | /* Print a CALLR instruction. */ |
| 1142 | static void |
| 1143 | print_callr (unsigned int insn_word, bfd_vma pc, const insn_template *template, |
| 1144 | disassemble_info *outf) |
| 1145 | { |
| 1146 | char buf[OPERAND_WIDTH]; |
| 1147 | unsigned int reg_no, reg_unit; |
| 1148 | const char *reg_name; |
| 1149 | int value; |
| 1150 | |
| 1151 | reg_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 1152 | reg_no = insn_word & CALLR_REG_MASK; |
| 1153 | |
| 1154 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 1155 | |
| 1156 | value = (insn_word >> 5) & IMM19_MASK; |
| 1157 | |
| 1158 | value = sign_extend (value, IMM19_BITS); |
| 1159 | |
| 1160 | value = value * 4; |
| 1161 | |
| 1162 | value += pc; |
| 1163 | |
| 1164 | snprintf (buf, OPERAND_WIDTH, "%s,", reg_name); |
| 1165 | |
| 1166 | print_insn (outf, "", template->name, buf); |
| 1167 | |
| 1168 | outf->print_address_func (value, outf); |
| 1169 | } |
| 1170 | |
| 1171 | /* Print a GP ALU instruction. */ |
| 1172 | static void |
| 1173 | print_alu (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1174 | const insn_template *template, |
| 1175 | disassemble_info *outf) |
| 1176 | { |
| 1177 | char buf[OPERAND_WIDTH]; |
| 1178 | unsigned int is_addr_op = MAJOR_OPCODE (template->meta_opcode) == OPC_ADDR; |
| 1179 | unsigned int is_mul = MAJOR_OPCODE (template->meta_opcode) == OPC_MUL; |
| 1180 | unsigned int dest_no, src1_no, src2_no; |
| 1181 | unsigned int imm = (insn_word >> 25) & 0x1; |
| 1182 | unsigned int cond = (insn_word >> 26) & 0x1; |
| 1183 | unsigned int o1z = 0; |
| 1184 | unsigned int o2r = insn_word & 0x1; |
| 1185 | unsigned int unit_bit = (insn_word >> 24) & 0x1; |
| 1186 | unsigned int ca = (insn_word >> 5) & 0x1; |
| 1187 | unsigned int se = (insn_word >> 1) & 0x1; |
| 1188 | bfd_boolean is_quickrot = template->arg_type & GP_ARGS_QR; |
| 1189 | enum metag_unit base_unit; |
| 1190 | enum metag_unit dest_unit; |
| 1191 | const char *dest_reg; |
| 1192 | const char *src1_reg; |
| 1193 | const char *src2_reg; |
| 1194 | int value; |
| 1195 | |
| 1196 | if ((MAJOR_OPCODE (template->meta_opcode) == OPC_ADDR || |
| 1197 | MAJOR_OPCODE (template->meta_opcode) == OPC_ADD || |
| 1198 | MAJOR_OPCODE (template->meta_opcode) == OPC_SUB) && |
| 1199 | ((insn_word >> 2) & 0x1)) |
| 1200 | o1z = 1; |
| 1201 | |
| 1202 | if (is_addr_op) |
| 1203 | { |
| 1204 | if (unit_bit) |
| 1205 | base_unit = UNIT_A1; |
| 1206 | else |
| 1207 | base_unit = UNIT_A0; |
| 1208 | } |
| 1209 | else |
| 1210 | { |
| 1211 | if (unit_bit) |
| 1212 | base_unit = UNIT_D1; |
| 1213 | else |
| 1214 | base_unit = UNIT_D0; |
| 1215 | } |
| 1216 | |
| 1217 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1218 | src1_no = (insn_word >> 14) & REG_MASK; |
| 1219 | src2_no = (insn_word >> 9) & REG_MASK; |
| 1220 | |
| 1221 | dest_unit = base_unit; |
| 1222 | |
| 1223 | if (imm) |
| 1224 | { |
| 1225 | if (cond) |
| 1226 | { |
| 1227 | if (ca) |
| 1228 | { |
| 1229 | dest_unit = (insn_word >> 1) & UNIT_MASK; |
| 1230 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1231 | } |
| 1232 | else |
| 1233 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1234 | |
| 1235 | src1_reg = lookup_reg_name (base_unit, src1_no); |
| 1236 | |
| 1237 | value = (insn_word >> 6) & IMM8_MASK; |
| 1238 | |
| 1239 | if (is_quickrot) |
| 1240 | { |
| 1241 | unsigned int qr_unit = unit_bit ? UNIT_A1 : UNIT_A0; |
| 1242 | unsigned int qr_no = 2; |
| 1243 | const char *qr_reg = lookup_reg_name (qr_unit, qr_no); |
| 1244 | |
| 1245 | snprintf (buf, OPERAND_WIDTH, "%s,%s,#%#x,%s", dest_reg, |
| 1246 | src1_reg, value, qr_reg); |
| 1247 | } |
| 1248 | else |
| 1249 | snprintf (buf, OPERAND_WIDTH, "%s,%s,#%#x", dest_reg, |
| 1250 | src1_reg, value); |
| 1251 | } |
| 1252 | else |
| 1253 | { |
| 1254 | if (is_addr_op && (dest_no & ~CPC_REG_MASK)) |
| 1255 | { |
| 1256 | dest_reg = lookup_reg_name (dest_unit, dest_no & CPC_REG_MASK); |
| 1257 | src1_reg = lookup_reg_name (base_unit, 0x10); |
| 1258 | } |
| 1259 | else |
| 1260 | { |
| 1261 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1262 | src1_reg = lookup_reg_name (base_unit, dest_no); |
| 1263 | } |
| 1264 | |
| 1265 | value = (insn_word >> 3) & IMM16_MASK; |
| 1266 | |
| 1267 | if (se) |
| 1268 | { |
| 1269 | value = sign_extend (value, IMM16_BITS); |
| 1270 | if (o1z) |
| 1271 | { |
| 1272 | snprintf (buf, OPERAND_WIDTH, "%s,#%d", dest_reg, value); |
| 1273 | } |
| 1274 | else |
| 1275 | { |
| 1276 | snprintf (buf, OPERAND_WIDTH, "%s,%s,#%d", dest_reg, |
| 1277 | src1_reg, value); |
| 1278 | } |
| 1279 | } |
| 1280 | else |
| 1281 | { |
| 1282 | if (o1z) |
| 1283 | { |
| 1284 | snprintf (buf, OPERAND_WIDTH, "%s,#%#x", dest_reg, value); |
| 1285 | } |
| 1286 | else |
| 1287 | { |
| 1288 | snprintf (buf, OPERAND_WIDTH, "%s,%s,#%#x", dest_reg, |
| 1289 | src1_reg, value); |
| 1290 | } |
| 1291 | } |
| 1292 | } |
| 1293 | } |
| 1294 | else |
| 1295 | { |
| 1296 | src1_reg = lookup_reg_name (base_unit, src1_no); |
| 1297 | |
| 1298 | if (o2r) |
| 1299 | src2_reg = lookup_o2r (base_unit, src2_no); |
| 1300 | else |
| 1301 | src2_reg = lookup_reg_name (base_unit, src2_no); |
| 1302 | |
| 1303 | if (cond) |
| 1304 | { |
| 1305 | dest_unit = (insn_word >> 5) & UNIT_MASK; |
| 1306 | |
| 1307 | if (is_mul) |
| 1308 | { |
| 1309 | if (ca) |
| 1310 | dest_unit = (insn_word >> 1) & UNIT_MASK; |
| 1311 | else |
| 1312 | dest_unit = base_unit; |
| 1313 | } |
| 1314 | |
| 1315 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1316 | |
| 1317 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, |
| 1318 | src1_reg, src2_reg); |
| 1319 | } |
| 1320 | else |
| 1321 | { |
| 1322 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1323 | |
| 1324 | if (is_quickrot) |
| 1325 | { |
| 1326 | unsigned int qr_unit = unit_bit ? UNIT_A1 : UNIT_A0; |
| 1327 | unsigned int qr_no = 2 + ((insn_word >> 7) & 0x1); |
| 1328 | const char *qr_reg = lookup_reg_name (qr_unit, qr_no); |
| 1329 | |
| 1330 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s,%s", dest_reg, |
| 1331 | src1_reg, src2_reg, qr_reg); |
| 1332 | } |
| 1333 | else if (o1z) |
| 1334 | { |
| 1335 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src2_reg); |
| 1336 | } |
| 1337 | else |
| 1338 | { |
| 1339 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, |
| 1340 | src1_reg, src2_reg); |
| 1341 | } |
| 1342 | } |
| 1343 | } |
| 1344 | |
| 1345 | if (dest_unit == UNIT_FX) |
| 1346 | print_insn (outf, "F", template->name, buf); |
| 1347 | else |
| 1348 | print_insn (outf, "", template->name, buf); |
| 1349 | } |
| 1350 | |
| 1351 | /* Print a B instruction. */ |
| 1352 | static void |
| 1353 | print_branch (unsigned int insn_word, bfd_vma pc, |
| 1354 | const insn_template *template, |
| 1355 | disassemble_info *outf) |
| 1356 | { |
| 1357 | int value; |
| 1358 | |
| 1359 | value = (insn_word >> 5) & IMM19_MASK; |
| 1360 | |
| 1361 | value = sign_extend (value, IMM19_BITS); |
| 1362 | |
| 1363 | value = value * 4; |
| 1364 | |
| 1365 | value += pc; |
| 1366 | |
| 1367 | print_insn (outf, "", template->name, ""); |
| 1368 | |
| 1369 | outf->print_address_func (value, outf); |
| 1370 | } |
| 1371 | |
| 1372 | /* Print a SWITCH instruction. */ |
| 1373 | static void |
| 1374 | print_switch (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1375 | const insn_template *template, |
| 1376 | disassemble_info *outf) |
| 1377 | { |
| 1378 | char buf[OPERAND_WIDTH]; |
| 1379 | unsigned int value; |
| 1380 | |
| 1381 | value = insn_word & IMM24_MASK; |
| 1382 | |
| 1383 | snprintf (buf, OPERAND_WIDTH, "#%#x", value); |
| 1384 | |
| 1385 | print_insn (outf, "", template->name, buf); |
| 1386 | } |
| 1387 | |
| 1388 | /* Print a shift instruction. */ |
| 1389 | static void |
| 1390 | print_shift (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1391 | const insn_template *template, |
| 1392 | disassemble_info *outf) |
| 1393 | { |
| 1394 | char buf[OPERAND_WIDTH]; |
| 1395 | unsigned int dest_no, src1_no, src2_no; |
| 1396 | unsigned int imm = (insn_word >> 25) & 0x1; |
| 1397 | unsigned int cond = (insn_word >> 26) & 0x1; |
| 1398 | unsigned int unit_bit = (insn_word >> 24) & 0x1; |
| 1399 | unsigned int ca = (insn_word >> 5) & 0x1; |
| 1400 | enum metag_unit base_unit; |
| 1401 | unsigned int dest_unit; |
| 1402 | const char *dest_reg; |
| 1403 | const char *src1_reg; |
| 1404 | const char *src2_reg; |
| 1405 | int value; |
| 1406 | |
| 1407 | if (unit_bit) |
| 1408 | base_unit = UNIT_D1; |
| 1409 | else |
| 1410 | base_unit = UNIT_D0; |
| 1411 | |
| 1412 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1413 | src1_no = (insn_word >> 14) & REG_MASK; |
| 1414 | src2_no = (insn_word >> 9) & REG_MASK; |
| 1415 | |
| 1416 | dest_unit = base_unit; |
| 1417 | |
| 1418 | if (imm) |
| 1419 | { |
| 1420 | if (cond && ca) |
| 1421 | dest_unit = (insn_word >> 1) & UNIT_MASK; |
| 1422 | |
| 1423 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1424 | |
| 1425 | src1_reg = lookup_reg_name (base_unit, src1_no); |
| 1426 | |
| 1427 | value = (insn_word >> 9) & IMM5_MASK; |
| 1428 | |
| 1429 | snprintf (buf, OPERAND_WIDTH, "%s,%s,#%#x", dest_reg, |
| 1430 | src1_reg, value); |
| 1431 | } |
| 1432 | else |
| 1433 | { |
| 1434 | if (cond && ca) |
| 1435 | dest_unit = (insn_word >> 1) & UNIT_MASK; |
| 1436 | |
| 1437 | dest_reg = lookup_reg_name (dest_unit, dest_no); |
| 1438 | |
| 1439 | src1_reg = lookup_reg_name (base_unit, src1_no); |
| 1440 | src2_reg = lookup_reg_name (base_unit, src2_no); |
| 1441 | |
| 1442 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, |
| 1443 | src1_reg, src2_reg); |
| 1444 | } |
| 1445 | |
| 1446 | if (dest_unit == UNIT_FX) |
| 1447 | print_insn (outf, "F", template->name, buf); |
| 1448 | else |
| 1449 | print_insn (outf, "", template->name, buf); |
| 1450 | } |
| 1451 | |
| 1452 | /* Print a MIN or MAX instruction. */ |
| 1453 | static void |
| 1454 | print_min_max (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1455 | const insn_template *template, |
| 1456 | disassemble_info *outf) |
| 1457 | { |
| 1458 | unsigned int base_unit, dest_no, src1_no, src2_no; |
| 1459 | char buf[OPERAND_WIDTH]; |
| 1460 | const char *dest_reg; |
| 1461 | const char *src1_reg; |
| 1462 | const char *src2_reg; |
| 1463 | |
| 1464 | if ((insn_word >> 24) & UNIT_MASK) |
| 1465 | base_unit = UNIT_D1; |
| 1466 | else |
| 1467 | base_unit = UNIT_D0; |
| 1468 | |
| 1469 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1470 | src1_no = (insn_word >> 14) & REG_MASK; |
| 1471 | src2_no = (insn_word >> 9) & REG_MASK; |
| 1472 | |
| 1473 | dest_reg = lookup_reg_name (base_unit, dest_no); |
| 1474 | |
| 1475 | src1_reg = lookup_reg_name (base_unit, src1_no); |
| 1476 | src2_reg = lookup_reg_name (base_unit, src2_no); |
| 1477 | |
| 1478 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src1_reg, src2_reg); |
| 1479 | |
| 1480 | print_insn (outf, "", template->name, buf); |
| 1481 | } |
| 1482 | |
| 1483 | /* Print a bit operation instruction. */ |
| 1484 | static void |
| 1485 | print_bitop (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1486 | const insn_template *template, |
| 1487 | disassemble_info *outf) |
| 1488 | { |
| 1489 | unsigned int swap_inst = MAJOR_OPCODE (template->meta_opcode) == OPC_MISC; |
| 1490 | unsigned int base_unit, src_unit, dest_no, src_no; |
| 1491 | unsigned int is_bexl = 0; |
| 1492 | char buf[OPERAND_WIDTH]; |
| 1493 | const char *dest_reg; |
| 1494 | const char *src_reg; |
| 1495 | |
| 1496 | if (swap_inst && |
| 1497 | ((insn_word >> 1) & 0xb) == 0xa) |
| 1498 | is_bexl = 1; |
| 1499 | |
| 1500 | if (swap_inst) |
| 1501 | { |
| 1502 | if (insn_word & 0x1) |
| 1503 | base_unit = UNIT_D1; |
| 1504 | else |
| 1505 | base_unit = UNIT_D0; |
| 1506 | } |
| 1507 | else |
| 1508 | { |
| 1509 | if ((insn_word >> 24) & 0x1) |
| 1510 | base_unit = UNIT_D1; |
| 1511 | else |
| 1512 | base_unit = UNIT_D0; |
| 1513 | } |
| 1514 | |
| 1515 | src_unit = base_unit; |
| 1516 | |
| 1517 | if (is_bexl) |
| 1518 | base_unit = get_pair_unit (base_unit); |
| 1519 | |
| 1520 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1521 | |
| 1522 | dest_reg = lookup_reg_name (base_unit, dest_no); |
| 1523 | |
| 1524 | src_no = (insn_word >> 14) & REG_MASK; |
| 1525 | |
| 1526 | src_reg = lookup_reg_name (src_unit, src_no); |
| 1527 | |
| 1528 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1529 | |
| 1530 | print_insn (outf, "", template->name, buf); |
| 1531 | } |
| 1532 | |
| 1533 | /* Print a CMP or TST instruction. */ |
| 1534 | static void |
| 1535 | print_cmp (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1536 | const insn_template *template, |
| 1537 | disassemble_info *outf) |
| 1538 | { |
| 1539 | char buf[OPERAND_WIDTH]; |
| 1540 | unsigned int dest_no, src_no; |
| 1541 | unsigned int imm = (insn_word >> 25) & 0x1; |
| 1542 | unsigned int cond = (insn_word >> 26) & 0x1; |
| 1543 | unsigned int o2r = insn_word & 0x1; |
| 1544 | unsigned int unit_bit = (insn_word >> 24) & 0x1; |
| 1545 | unsigned int se = (insn_word >> 1) & 0x1; |
| 1546 | enum metag_unit base_unit; |
| 1547 | const char *dest_reg; |
| 1548 | const char *src_reg; |
| 1549 | int value; |
| 1550 | |
| 1551 | if (unit_bit) |
| 1552 | base_unit = UNIT_D1; |
| 1553 | else |
| 1554 | base_unit = UNIT_D0; |
| 1555 | |
| 1556 | dest_no = (insn_word >> 14) & REG_MASK; |
| 1557 | src_no = (insn_word >> 9) & REG_MASK; |
| 1558 | |
| 1559 | dest_reg = lookup_reg_name (base_unit, dest_no); |
| 1560 | |
| 1561 | if (imm) |
| 1562 | { |
| 1563 | if (cond) |
| 1564 | { |
| 1565 | value = (insn_word >> 6) & IMM8_MASK; |
| 1566 | |
| 1567 | snprintf (buf, OPERAND_WIDTH, "%s,#%#x", dest_reg, value); |
| 1568 | } |
| 1569 | else |
| 1570 | { |
| 1571 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1572 | |
| 1573 | dest_reg = lookup_reg_name (base_unit, dest_no); |
| 1574 | |
| 1575 | value = (insn_word >> 3) & IMM16_MASK; |
| 1576 | |
| 1577 | if (se) |
| 1578 | { |
| 1579 | value = sign_extend (value, IMM16_BITS); |
| 1580 | snprintf (buf, OPERAND_WIDTH, "%s,#%d", dest_reg, value); |
| 1581 | } |
| 1582 | else |
| 1583 | { |
| 1584 | snprintf (buf, OPERAND_WIDTH, "%s,#%#x", dest_reg, value); |
| 1585 | } |
| 1586 | } |
| 1587 | } |
| 1588 | else |
| 1589 | { |
| 1590 | if (o2r) |
| 1591 | src_reg = lookup_o2r (base_unit, src_no); |
| 1592 | else |
| 1593 | src_reg = lookup_reg_name (base_unit, src_no); |
| 1594 | |
| 1595 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1596 | } |
| 1597 | |
| 1598 | print_insn (outf, "", template->name, buf); |
| 1599 | } |
| 1600 | |
| 1601 | /* Print a CACHER instruction. */ |
| 1602 | static void |
| 1603 | print_cacher (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1604 | const insn_template *template, |
| 1605 | disassemble_info *outf) |
| 1606 | { |
| 1607 | char buf[OPERAND_WIDTH]; |
| 1608 | char addr_buf[ADDR_WIDTH]; |
| 1609 | unsigned int reg_unit, reg_no; |
| 1610 | unsigned int size = ((insn_word >> 1) & 0x1) ? 8 : 4; |
| 1611 | const char *reg_name; |
| 1612 | const char *pair_name; |
| 1613 | |
| 1614 | reg_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 1615 | reg_no = (insn_word >> 19) & REG_MASK; |
| 1616 | |
| 1617 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 1618 | pair_name = lookup_pair_reg_name (reg_unit, reg_no); |
| 1619 | |
| 1620 | cache_addr_str (addr_buf, ADDR_WIDTH, insn_word, size); |
| 1621 | |
| 1622 | if (size == 8) |
| 1623 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", reg_name, pair_name, addr_buf); |
| 1624 | else |
| 1625 | snprintf (buf, OPERAND_WIDTH, "%s,%s", reg_name, addr_buf); |
| 1626 | |
| 1627 | print_insn (outf, "", template->name, buf); |
| 1628 | } |
| 1629 | |
| 1630 | /* Print a CACHEW instruction. */ |
| 1631 | static void |
| 1632 | print_cachew (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1633 | const insn_template *template, |
| 1634 | disassemble_info *outf) |
| 1635 | { |
| 1636 | char buf[OPERAND_WIDTH]; |
| 1637 | char addr_buf[ADDR_WIDTH]; |
| 1638 | unsigned int reg_unit, reg_no; |
| 1639 | unsigned int size = ((insn_word >> 1) & 0x1) ? 8 : 4; |
| 1640 | const char *reg_name; |
| 1641 | const char *pair_name; |
| 1642 | |
| 1643 | reg_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 1644 | reg_no = (insn_word >> 19) & REG_MASK; |
| 1645 | |
| 1646 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 1647 | pair_name = lookup_pair_reg_name (reg_unit, reg_no); |
| 1648 | |
| 1649 | cache_addr_str (addr_buf, ADDR_WIDTH, insn_word, 64); |
| 1650 | |
| 1651 | if (size == 8) |
| 1652 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", addr_buf, reg_name, pair_name); |
| 1653 | else |
| 1654 | snprintf (buf, OPERAND_WIDTH, "%s,%s", addr_buf, reg_name); |
| 1655 | |
| 1656 | print_insn (outf, "", template->name, buf); |
| 1657 | } |
| 1658 | |
| 1659 | /* Print an ICACHE instruction. */ |
| 1660 | static void |
| 1661 | print_icache (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1662 | const insn_template *template, |
| 1663 | disassemble_info *outf) |
| 1664 | { |
| 1665 | char buf[OPERAND_WIDTH]; |
| 1666 | int offset; |
| 1667 | int pfcount; |
| 1668 | |
| 1669 | offset = ((insn_word >> 9) & IMM15_MASK); |
| 1670 | pfcount = ((insn_word >> 1) & IMM4_MASK); |
| 1671 | |
| 1672 | offset = sign_extend (offset, IMM15_BITS); |
| 1673 | |
| 1674 | if (pfcount) |
| 1675 | snprintf (buf, OPERAND_WIDTH, "#%d,#0x%x", offset, pfcount); |
| 1676 | else |
| 1677 | snprintf (buf, OPERAND_WIDTH, "#%d,#0", offset); |
| 1678 | print_insn (outf, "", template->name, buf); |
| 1679 | } |
| 1680 | |
| 1681 | /* Print a LNKGET instruction. */ |
| 1682 | static void |
| 1683 | print_lnkget (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1684 | const insn_template *template, |
| 1685 | disassemble_info *outf) |
| 1686 | { |
| 1687 | char buf[OPERAND_WIDTH]; |
| 1688 | char addr_buf[ADDR_WIDTH]; |
| 1689 | unsigned int reg_unit, reg_no; |
| 1690 | unsigned int size = metag_get_set_ext_size_bytes (insn_word); |
| 1691 | const char *reg_name; |
| 1692 | const char *pair_name; |
| 1693 | |
| 1694 | reg_unit = short_unit ((insn_word >> 3) & SHORT_UNIT_MASK); |
| 1695 | reg_no = (insn_word >> 19) & REG_MASK; |
| 1696 | |
| 1697 | reg_name = lookup_reg_name (reg_unit, reg_no); |
| 1698 | pair_name = lookup_pair_reg_name (reg_unit, reg_no); |
| 1699 | |
| 1700 | cache_addr_str (addr_buf, ADDR_WIDTH, insn_word, size); |
| 1701 | |
| 1702 | if (size == 8) |
| 1703 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", reg_name, pair_name, addr_buf); |
| 1704 | else |
| 1705 | snprintf (buf, OPERAND_WIDTH, "%s,%s", reg_name, addr_buf); |
| 1706 | |
| 1707 | print_insn (outf, "", template->name, buf); |
| 1708 | } |
| 1709 | |
| 1710 | /* Print an FPU MOV instruction. */ |
| 1711 | static void |
| 1712 | print_fmov (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1713 | const insn_template *template, |
| 1714 | disassemble_info *outf) |
| 1715 | { |
| 1716 | char buf[OPERAND_WIDTH]; |
| 1717 | char prefix_buf[10]; |
| 1718 | unsigned int src_no, dest_no; |
| 1719 | unsigned int p = (insn_word >> 6) & 0x1; |
| 1720 | unsigned int d = (insn_word >> 5) & 0x1; |
| 1721 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 1722 | bfd_boolean show_cond = cc != COND_A && cc != COND_NV; |
| 1723 | const char *dest_reg; |
| 1724 | const char *src_reg; |
| 1725 | const char *cc_flags; |
| 1726 | |
| 1727 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1728 | src_no = (insn_word >> 14) & REG_MASK; |
| 1729 | |
| 1730 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1731 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 1732 | |
| 1733 | cc_flags = lookup_fpu_scc_flags (cc); |
| 1734 | |
| 1735 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1736 | |
| 1737 | snprintf (prefix_buf, 10, "F%s%s%s", p ? "L" : "", |
| 1738 | d ? "D" : "", show_cond ? cc_flags : ""); |
| 1739 | |
| 1740 | print_insn (outf, prefix_buf, template->name, buf); |
| 1741 | } |
| 1742 | |
| 1743 | /* Convert an FPU rmask into a compatible form. */ |
| 1744 | static unsigned int |
| 1745 | convert_fx_rmask (unsigned int rmask) |
| 1746 | { |
| 1747 | int num_bits = hweight (rmask), i; |
| 1748 | unsigned int ret = 0; |
| 1749 | |
| 1750 | for (i = 0; i < num_bits; i++) |
| 1751 | { |
| 1752 | ret <<= 1; |
| 1753 | ret |= 0x1; |
| 1754 | } |
| 1755 | |
| 1756 | return ret; |
| 1757 | } |
| 1758 | |
| 1759 | /* Print an FPU MMOV instruction. */ |
| 1760 | static void |
| 1761 | print_fmmov (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1762 | const insn_template *template, |
| 1763 | disassemble_info *outf) |
| 1764 | { |
| 1765 | char buf[OPERAND_WIDTH]; |
| 1766 | char data_buf[REG_WIDTH]; |
| 1767 | char fpu_buf[REG_WIDTH]; |
| 1768 | bfd_boolean to_fpu = MAJOR_OPCODE (insn_word) == OPC_GET; |
| 1769 | bfd_boolean is_mmovl = MINOR_OPCODE (insn_word) & 0x1; |
| 1770 | unsigned int rmask = (insn_word >> 7) & RMASK_MASK; |
| 1771 | unsigned int fpu_no, data_no, data_unit; |
| 1772 | |
| 1773 | data_no = (insn_word >> 19) & REG_MASK; |
| 1774 | fpu_no = (insn_word >> 14) & REG_MASK; |
| 1775 | |
| 1776 | if (insn_word & 0x1) |
| 1777 | data_unit = UNIT_D1; |
| 1778 | else |
| 1779 | data_unit = UNIT_D0; |
| 1780 | |
| 1781 | lookup_reg_list (data_buf, REG_WIDTH, data_unit, data_no, rmask, FALSE); |
| 1782 | lookup_reg_list (fpu_buf, REG_WIDTH, UNIT_FX, fpu_no, |
| 1783 | convert_fx_rmask (rmask), is_mmovl); |
| 1784 | |
| 1785 | if (to_fpu) |
| 1786 | snprintf (buf, OPERAND_WIDTH, "%s,%s", fpu_buf, data_buf); |
| 1787 | else |
| 1788 | snprintf (buf, OPERAND_WIDTH, "%s,%s", data_buf, fpu_buf); |
| 1789 | |
| 1790 | print_insn (outf, "F", template->name, buf); |
| 1791 | } |
| 1792 | |
| 1793 | /* Print an FPU data unit MOV instruction. */ |
| 1794 | static void |
| 1795 | print_fmov_data (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1796 | const insn_template *template, |
| 1797 | disassemble_info *outf) |
| 1798 | { |
| 1799 | char buf[OPERAND_WIDTH]; |
| 1800 | unsigned int src_no, dest_no; |
| 1801 | unsigned int to_fpu = ((insn_word >> 7) & 0x1); |
| 1802 | unsigned int unit_bit = (insn_word >> 24) & 0x1; |
| 1803 | enum metag_unit base_unit; |
| 1804 | const char *dest_reg; |
| 1805 | const char *src_reg; |
| 1806 | |
| 1807 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1808 | src_no = (insn_word >> 9) & REG_MASK; |
| 1809 | |
| 1810 | if (unit_bit) |
| 1811 | base_unit = UNIT_D1; |
| 1812 | else |
| 1813 | base_unit = UNIT_D0; |
| 1814 | |
| 1815 | if (to_fpu) |
| 1816 | { |
| 1817 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1818 | src_reg = lookup_reg_name (base_unit, src_no); |
| 1819 | } |
| 1820 | else |
| 1821 | { |
| 1822 | dest_reg = lookup_reg_name (base_unit, dest_no); |
| 1823 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 1824 | } |
| 1825 | |
| 1826 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1827 | |
| 1828 | print_insn (outf, "F", template->name, buf); |
| 1829 | } |
| 1830 | |
| 1831 | /* Print an FPU MOV immediate instruction. */ |
| 1832 | static void |
| 1833 | print_fmov_i (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1834 | const insn_template *template, |
| 1835 | disassemble_info *outf) |
| 1836 | { |
| 1837 | char buf[OPERAND_WIDTH]; |
| 1838 | unsigned int dest_no; |
| 1839 | unsigned int p = (insn_word >> 2) & 0x1; |
| 1840 | unsigned int d = (insn_word >> 1) & 0x1; |
| 1841 | const char *dest_reg; |
| 1842 | unsigned int value = (insn_word >> 3) & IMM16_MASK; |
| 1843 | |
| 1844 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1845 | |
| 1846 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1847 | |
| 1848 | snprintf (buf, OPERAND_WIDTH, "%s,#%#x", dest_reg, value); |
| 1849 | |
| 1850 | if (p) |
| 1851 | print_insn (outf, "FL", template->name, buf); |
| 1852 | else if (d) |
| 1853 | print_insn (outf, "FD", template->name, buf); |
| 1854 | else |
| 1855 | print_insn (outf, "F", template->name, buf); |
| 1856 | } |
| 1857 | |
| 1858 | /* Print an FPU PACK instruction. */ |
| 1859 | static void |
| 1860 | print_fpack (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1861 | const insn_template *template, |
| 1862 | disassemble_info *outf) |
| 1863 | { |
| 1864 | char buf[OPERAND_WIDTH]; |
| 1865 | unsigned int src1_no, src2_no, dest_no; |
| 1866 | const char *dest_reg; |
| 1867 | const char *src1_reg; |
| 1868 | const char *src2_reg; |
| 1869 | |
| 1870 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1871 | src1_no = (insn_word >> 14) & REG_MASK; |
| 1872 | src2_no = (insn_word >> 9) & REG_MASK; |
| 1873 | |
| 1874 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1875 | src1_reg = lookup_reg_name (UNIT_FX, src1_no); |
| 1876 | src2_reg = lookup_reg_name (UNIT_FX, src2_no); |
| 1877 | |
| 1878 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src1_reg, src2_reg); |
| 1879 | |
| 1880 | print_insn (outf, "F", template->name, buf); |
| 1881 | } |
| 1882 | |
| 1883 | /* Print an FPU SWAP instruction. */ |
| 1884 | static void |
| 1885 | print_fswap (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1886 | const insn_template *template, |
| 1887 | disassemble_info *outf) |
| 1888 | { |
| 1889 | char buf[OPERAND_WIDTH]; |
| 1890 | unsigned int src_no, dest_no; |
| 1891 | const char *dest_reg; |
| 1892 | const char *src_reg; |
| 1893 | |
| 1894 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1895 | src_no = (insn_word >> 14) & REG_MASK; |
| 1896 | |
| 1897 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1898 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 1899 | |
| 1900 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1901 | |
| 1902 | print_insn (outf, "FL", template->name, buf); |
| 1903 | } |
| 1904 | |
| 1905 | /* Print an FPU CMP instruction. */ |
| 1906 | static void |
| 1907 | print_fcmp (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1908 | const insn_template *template, |
| 1909 | disassemble_info *outf) |
| 1910 | { |
| 1911 | char buf[OPERAND_WIDTH]; |
| 1912 | char prefix_buf[10]; |
| 1913 | unsigned int src_no, dest_no; |
| 1914 | unsigned int a = (insn_word >> 19) & 0x1; |
| 1915 | unsigned int z = (insn_word >> 8) & 0x1; |
| 1916 | unsigned int p = (insn_word >> 6) & 0x1; |
| 1917 | unsigned int d = (insn_word >> 5) & 0x1; |
| 1918 | unsigned int q = (insn_word >> 7) & 0x1; |
| 1919 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 1920 | bfd_boolean show_cond = cc != COND_A && cc != COND_NV; |
| 1921 | const char *dest_reg; |
| 1922 | const char *src_reg; |
| 1923 | const char *cc_flags; |
| 1924 | |
| 1925 | dest_no = (insn_word >> 14) & REG_MASK; |
| 1926 | src_no = (insn_word >> 9) & REG_MASK; |
| 1927 | |
| 1928 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1929 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 1930 | |
| 1931 | cc_flags = lookup_fpu_scc_flags (cc); |
| 1932 | |
| 1933 | if (z) |
| 1934 | snprintf (buf, OPERAND_WIDTH, "%s,#0", dest_reg); |
| 1935 | else |
| 1936 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 1937 | |
| 1938 | snprintf (prefix_buf, 10, "F%s%s%s%s%s", p ? "L" : "", |
| 1939 | d ? "D" : "", a ? "A" : "", q ? "Q" : "", |
| 1940 | show_cond ? cc_flags : ""); |
| 1941 | |
| 1942 | print_insn (outf, prefix_buf, template->name, buf); |
| 1943 | } |
| 1944 | |
| 1945 | /* Print an FPU MIN or MAX instruction. */ |
| 1946 | static void |
| 1947 | print_fminmax (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1948 | const insn_template *template, |
| 1949 | disassemble_info *outf) |
| 1950 | { |
| 1951 | char buf[OPERAND_WIDTH]; |
| 1952 | char prefix_buf[10]; |
| 1953 | unsigned int p = (insn_word >> 6) & 0x1; |
| 1954 | unsigned int d = (insn_word >> 5) & 0x1; |
| 1955 | unsigned int src1_no, src2_no, dest_no; |
| 1956 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 1957 | bfd_boolean show_cond = cc != COND_A && cc != COND_NV; |
| 1958 | const char *dest_reg; |
| 1959 | const char *src1_reg; |
| 1960 | const char *src2_reg; |
| 1961 | const char *cc_flags; |
| 1962 | |
| 1963 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1964 | src1_no = (insn_word >> 14) & REG_MASK; |
| 1965 | src2_no = (insn_word >> 9) & REG_MASK; |
| 1966 | |
| 1967 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 1968 | src1_reg = lookup_reg_name (UNIT_FX, src1_no); |
| 1969 | src2_reg = lookup_reg_name (UNIT_FX, src2_no); |
| 1970 | |
| 1971 | cc_flags = lookup_fpu_scc_flags (cc); |
| 1972 | |
| 1973 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src1_reg, src2_reg); |
| 1974 | |
| 1975 | snprintf (prefix_buf, 10, "F%s%s%s", p ? "L" : "", |
| 1976 | d ? "D" : "", show_cond ? cc_flags : ""); |
| 1977 | |
| 1978 | print_insn (outf, prefix_buf, template->name, buf); |
| 1979 | } |
| 1980 | |
| 1981 | /* Print an FPU data conversion instruction. */ |
| 1982 | static void |
| 1983 | print_fconv (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 1984 | const insn_template *template, |
| 1985 | disassemble_info *outf) |
| 1986 | { |
| 1987 | char buf[OPERAND_WIDTH]; |
| 1988 | char prefix_buf[10]; |
| 1989 | unsigned int p = (insn_word >> 6) & 0x1; |
| 1990 | unsigned int z = (insn_word >> 12) & 0x1; |
| 1991 | unsigned int src_no, dest_no; |
| 1992 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 1993 | bfd_boolean show_cond = cc != COND_A && cc != COND_NV; |
| 1994 | const char *dest_reg; |
| 1995 | const char *src_reg; |
| 1996 | const char *cc_flags; |
| 1997 | |
| 1998 | dest_no = (insn_word >> 19) & REG_MASK; |
| 1999 | src_no = (insn_word >> 14) & REG_MASK; |
| 2000 | |
| 2001 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 2002 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 2003 | |
| 2004 | cc_flags = lookup_fpu_scc_flags (cc); |
| 2005 | |
| 2006 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 2007 | |
| 2008 | snprintf (prefix_buf, 10, "F%s%s%s", p ? "L" : "", |
| 2009 | z ? "Z" : "", show_cond ? cc_flags : ""); |
| 2010 | |
| 2011 | print_insn (outf, prefix_buf, template->name, buf); |
| 2012 | } |
| 2013 | |
| 2014 | /* Print an FPU extended data conversion instruction. */ |
| 2015 | static void |
| 2016 | print_fconvx (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2017 | const insn_template *template, |
| 2018 | disassemble_info *outf) |
| 2019 | { |
| 2020 | char buf[OPERAND_WIDTH]; |
| 2021 | char prefix_buf[10]; |
| 2022 | unsigned int p = (insn_word >> 6) & 0x1; |
| 2023 | unsigned int xl = (insn_word >> 7) & 0x1; |
| 2024 | unsigned int src_no, dest_no, fraction_bits; |
| 2025 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 2026 | bfd_boolean show_cond = cc != COND_A && cc != COND_NV; |
| 2027 | const char *dest_reg; |
| 2028 | const char *src_reg; |
| 2029 | const char *cc_flags; |
| 2030 | |
| 2031 | dest_no = (insn_word >> 19) & REG_MASK; |
| 2032 | src_no = (insn_word >> 14) & REG_MASK; |
| 2033 | |
| 2034 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 2035 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 2036 | |
| 2037 | cc_flags = lookup_fpu_scc_flags (cc); |
| 2038 | |
| 2039 | if (xl) |
| 2040 | fraction_bits = (insn_word >> 8) & IMM6_MASK; |
| 2041 | else |
| 2042 | fraction_bits = (insn_word >> 9) & IMM5_MASK; |
| 2043 | |
| 2044 | snprintf (buf, OPERAND_WIDTH, "%s,%s,#%#x", dest_reg, src_reg, |
| 2045 | fraction_bits); |
| 2046 | |
| 2047 | snprintf (prefix_buf, 10, "F%s%s", p ? "L" : "", |
| 2048 | show_cond ? cc_flags : ""); |
| 2049 | |
| 2050 | print_insn (outf, prefix_buf, template->name, buf); |
| 2051 | } |
| 2052 | |
| 2053 | /* Print an FPU basic arithmetic instruction. */ |
| 2054 | static void |
| 2055 | print_fbarith (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2056 | const insn_template *template, |
| 2057 | disassemble_info *outf) |
| 2058 | { |
| 2059 | char buf[OPERAND_WIDTH]; |
| 2060 | char prefix_buf[10]; |
| 2061 | unsigned int n = (insn_word >> 7) & 0x1; |
| 2062 | unsigned int p = (insn_word >> 6) & 0x1; |
| 2063 | unsigned int d = (insn_word >> 5) & 0x1; |
| 2064 | unsigned int src1_no, src2_no, dest_no; |
| 2065 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 2066 | bfd_boolean show_cond = cc != COND_A && cc != COND_NV; |
| 2067 | const char *dest_reg; |
| 2068 | const char *src1_reg; |
| 2069 | const char *src2_reg; |
| 2070 | const char *cc_flags; |
| 2071 | |
| 2072 | dest_no = (insn_word >> 19) & REG_MASK; |
| 2073 | src1_no = (insn_word >> 14) & REG_MASK; |
| 2074 | src2_no = (insn_word >> 9) & REG_MASK; |
| 2075 | |
| 2076 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 2077 | src1_reg = lookup_reg_name (UNIT_FX, src1_no); |
| 2078 | src2_reg = lookup_reg_name (UNIT_FX, src2_no); |
| 2079 | |
| 2080 | cc_flags = lookup_fpu_scc_flags (cc); |
| 2081 | |
| 2082 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src1_reg, src2_reg); |
| 2083 | |
| 2084 | snprintf (prefix_buf, 10, "F%s%s%s%s", p ? "L" : "", |
| 2085 | d ? "D" : "", n ? "I" : "", show_cond ? cc_flags : ""); |
| 2086 | |
| 2087 | print_insn (outf, prefix_buf, template->name, buf); |
| 2088 | } |
| 2089 | |
| 2090 | /* Print an FPU extended arithmetic instruction. */ |
| 2091 | static void |
| 2092 | print_fearith (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2093 | const insn_template *template, |
| 2094 | disassemble_info *outf) |
| 2095 | { |
| 2096 | char buf[OPERAND_WIDTH]; |
| 2097 | char prefix_buf[10]; |
| 2098 | bfd_boolean is_muz = (MINOR_OPCODE (insn_word) == 0x6 && |
| 2099 | ((insn_word >> 4) & 0x1)); |
| 2100 | bfd_boolean is_mac = (MINOR_OPCODE (insn_word) == 0x6 && |
| 2101 | (insn_word & 0x1f) == 0); |
| 2102 | bfd_boolean is_maw = (MINOR_OPCODE (insn_word) == 0x6 && |
| 2103 | ((insn_word >> 3) & 0x1)); |
| 2104 | unsigned int o3o = insn_word & 0x1; |
| 2105 | unsigned int q = is_muz && ((insn_word >> 1) & 0x1); |
| 2106 | unsigned int n = (insn_word >> 7) & 0x1; |
| 2107 | unsigned int p = (insn_word >> 6) & 0x1; |
| 2108 | unsigned int d = (insn_word >> 5) & 0x1; |
| 2109 | unsigned int cc = (insn_word >> 1) & CC_MASK; |
| 2110 | bfd_boolean show_cond = (MINOR_OPCODE (insn_word) == 0x5 && cc != COND_A && |
| 2111 | cc != COND_NV); |
| 2112 | unsigned int src1_no, src2_no, dest_no; |
| 2113 | const char *dest_reg; |
| 2114 | const char *src1_reg; |
| 2115 | const char *src2_reg; |
| 2116 | const char *cc_flags; |
| 2117 | |
| 2118 | dest_no = (insn_word >> 19) & REG_MASK; |
| 2119 | src1_no = (insn_word >> 14) & REG_MASK; |
| 2120 | src2_no = (insn_word >> 9) & REG_MASK; |
| 2121 | |
| 2122 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 2123 | src1_reg = lookup_reg_name (UNIT_FX, src1_no); |
| 2124 | src2_reg = lookup_reg_name (UNIT_FX, src2_no); |
| 2125 | |
| 2126 | cc_flags = lookup_fpu_scc_flags (cc); |
| 2127 | |
| 2128 | if (is_mac) |
| 2129 | snprintf (buf, OPERAND_WIDTH, "ACF.0,%s,%s", src1_reg, src2_reg); |
| 2130 | else if (o3o && is_maw) |
| 2131 | snprintf (buf, OPERAND_WIDTH, "%s,%s", src1_reg, src2_reg); |
| 2132 | else |
| 2133 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src1_reg, src2_reg); |
| 2134 | |
| 2135 | snprintf (prefix_buf, 10, "F%s%s%s%s%s", p ? "L" : "", |
| 2136 | d ? "D" : "", n ? "I" : "", q ? "Q" : "", |
| 2137 | show_cond ? cc_flags : ""); |
| 2138 | |
| 2139 | print_insn (outf, prefix_buf, template->name, buf); |
| 2140 | } |
| 2141 | |
| 2142 | /* Print an FPU RCP or RSQ instruction. */ |
| 2143 | static void |
| 2144 | print_frec (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2145 | const insn_template *template, |
| 2146 | disassemble_info *outf) |
| 2147 | { |
| 2148 | char buf[OPERAND_WIDTH]; |
| 2149 | char prefix_buf[10]; |
| 2150 | unsigned int z = (insn_word >> 10) & 0x1; |
| 2151 | unsigned int q = (insn_word >> 9) & 0x1; |
| 2152 | unsigned int n = (insn_word >> 7) & 0x1; |
| 2153 | unsigned int p = (insn_word >> 6) & 0x1; |
| 2154 | unsigned int d = (insn_word >> 5) & 0x1; |
| 2155 | unsigned int src_no, dest_no; |
| 2156 | const char *dest_reg; |
| 2157 | const char *src_reg; |
| 2158 | |
| 2159 | dest_no = (insn_word >> 19) & REG_MASK; |
| 2160 | src_no = (insn_word >> 14) & REG_MASK; |
| 2161 | |
| 2162 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 2163 | src_reg = lookup_reg_name (UNIT_FX, src_no); |
| 2164 | |
| 2165 | snprintf (buf, OPERAND_WIDTH, "%s,%s", dest_reg, src_reg); |
| 2166 | |
| 2167 | snprintf (prefix_buf, 10, "F%s%s%s%s%s", p ? "L" : "", |
| 2168 | d ? "D" : "", n ? "I" : "", q ? "Q" : "", z ? "Z" : ""); |
| 2169 | |
| 2170 | print_insn (outf, prefix_buf, template->name, buf); |
| 2171 | } |
| 2172 | |
| 2173 | static void |
| 2174 | print_fsimd (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2175 | const insn_template *template, |
| 2176 | disassemble_info *outf) |
| 2177 | { |
| 2178 | char buf[OPERAND_WIDTH]; |
| 2179 | unsigned int n = (insn_word >> 7) & 0x1; |
| 2180 | unsigned int src1_no, src2_no, dest_no; |
| 2181 | const char *dest_reg; |
| 2182 | const char *src1_reg; |
| 2183 | const char *src2_reg; |
| 2184 | |
| 2185 | dest_no = (insn_word >> 19) & REG_MASK; |
| 2186 | src1_no = (insn_word >> 14) & REG_MASK; |
| 2187 | src2_no = (insn_word >> 9) & REG_MASK; |
| 2188 | |
| 2189 | dest_reg = lookup_reg_name (UNIT_FX, dest_no); |
| 2190 | src1_reg = lookup_reg_name (UNIT_FX, src1_no); |
| 2191 | src2_reg = lookup_reg_name (UNIT_FX, src2_no); |
| 2192 | |
| 2193 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", dest_reg, src1_reg, src2_reg); |
| 2194 | |
| 2195 | if (n) |
| 2196 | print_insn (outf, "FLI", template->name, buf); |
| 2197 | else |
| 2198 | print_insn (outf, "FL", template->name, buf); |
| 2199 | } |
| 2200 | |
| 2201 | /* Print an FPU accumulator GET or SET instruction. */ |
| 2202 | static void |
| 2203 | print_fget_set_acf (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2204 | const insn_template *template, |
| 2205 | disassemble_info *outf) |
| 2206 | { |
| 2207 | bfd_boolean is_get = MAJOR_OPCODE (template->meta_opcode) == OPC_GET; |
| 2208 | char buf[OPERAND_WIDTH]; |
| 2209 | char addr_buf[ADDR_WIDTH]; |
| 2210 | unsigned int part; |
| 2211 | const char *reg_name; |
| 2212 | |
| 2213 | part = (insn_word >> 19) & ACF_PART_MASK; |
| 2214 | |
| 2215 | reg_name = lookup_acf_name (part); |
| 2216 | |
| 2217 | mget_mset_addr_str (addr_buf, ADDR_WIDTH, insn_word); |
| 2218 | |
| 2219 | if (is_get) |
| 2220 | { |
| 2221 | snprintf (buf, OPERAND_WIDTH, "%s,%s", reg_name, addr_buf); |
| 2222 | } |
| 2223 | else |
| 2224 | { |
| 2225 | snprintf (buf, OPERAND_WIDTH, "%s,%s", addr_buf, reg_name); |
| 2226 | } |
| 2227 | print_insn (outf, "F", template->name, buf); |
| 2228 | } |
| 2229 | |
| 2230 | /* Return the name of the DSP register or accumulator for NUM and UNIT. */ |
| 2231 | static const char * |
| 2232 | __lookup_dsp_name (unsigned int num, unsigned int unit) |
| 2233 | { |
| 2234 | size_t i; |
| 2235 | |
| 2236 | for (i = 0; i < sizeof(metag_dsp_regtab)/sizeof(metag_dsp_regtab[0]); i++) |
| 2237 | { |
| 2238 | const metag_reg *reg = &metag_dsp_regtab[i]; |
| 2239 | |
| 2240 | if (reg->no == num) |
| 2241 | { |
| 2242 | if ((reg->unit == UNIT_RAM_D0 || reg->unit == UNIT_ACC_D0) && |
| 2243 | unit == UNIT_D0) |
| 2244 | return reg->name; |
| 2245 | |
| 2246 | if ((reg->unit == UNIT_RAM_D1 || reg->unit == UNIT_ACC_D1) && |
| 2247 | unit == UNIT_D1) |
| 2248 | return reg->name; |
| 2249 | } |
| 2250 | } |
| 2251 | return "?.?"; |
| 2252 | } |
| 2253 | |
| 2254 | /* Return the name of the DSP register for NUM and UNIT. */ |
| 2255 | static const char * |
| 2256 | lookup_dsp_name (unsigned int num, unsigned int unit) |
| 2257 | { |
| 2258 | size_t i; |
| 2259 | |
| 2260 | for (i = 0; i < sizeof(metag_dsp_regtab)/sizeof(metag_dsp_regtab[0]); i++) |
| 2261 | { |
| 2262 | const metag_reg *reg = &metag_dsp_regtab[i]; |
| 2263 | |
| 2264 | if (reg->no == num && reg->unit == unit) |
| 2265 | return reg->name; |
| 2266 | } |
| 2267 | return "?.?"; |
| 2268 | } |
| 2269 | |
| 2270 | /* Return the name of the DSP RAM register for NUM and UNIT. */ |
| 2271 | static const char * |
| 2272 | lookup_dspram_name (unsigned int num, unsigned int unit, bfd_boolean load) |
| 2273 | { |
| 2274 | size_t i, nentries; |
| 2275 | |
| 2276 | nentries = sizeof(metag_dsp_tmpl_regtab[load])/sizeof(metag_dsp_tmpl_regtab[load][0]); |
| 2277 | |
| 2278 | for (i = 0; i < nentries; i++) |
| 2279 | { |
| 2280 | const metag_reg *reg = &metag_dsp_tmpl_regtab[load][i]; |
| 2281 | |
| 2282 | if (reg->no == num && reg->unit == unit) |
| 2283 | return reg->name; |
| 2284 | } |
| 2285 | return "?.?"; |
| 2286 | } |
| 2287 | |
| 2288 | /* This lookup function looks up the corresponding name for a register |
| 2289 | number in a DSP instruction. SOURCE indicates whether this |
| 2290 | register is a source or destination operand. */ |
| 2291 | static const char * |
| 2292 | lookup_any_reg_name (unsigned int unit, unsigned int num, bfd_boolean source) |
| 2293 | { |
| 2294 | /* A register with the top bit set (5th bit) indicates a DSPRAM |
| 2295 | register. */ |
| 2296 | if (num > 15) |
| 2297 | { |
| 2298 | unsigned int dunit = (unit == UNIT_D0) ? UNIT_RAM_D0 : UNIT_RAM_D1; |
| 2299 | return lookup_dspram_name (num, dunit, source); |
| 2300 | } |
| 2301 | else |
| 2302 | return lookup_reg_name (unit, num); |
| 2303 | } |
| 2304 | |
| 2305 | /* Return the DSP data unit for UNIT. */ |
| 2306 | static inline enum metag_unit |
| 2307 | dsp_data_unit_to_sym (unsigned int unit) |
| 2308 | { |
| 2309 | if (unit == 0) |
| 2310 | return UNIT_D0; |
| 2311 | else |
| 2312 | return UNIT_D1; |
| 2313 | } |
| 2314 | |
| 2315 | /* Print a DSP GET or SET instruction. */ |
| 2316 | static void |
| 2317 | print_dget_set (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2318 | const insn_template *template, |
| 2319 | disassemble_info *outf) |
| 2320 | { |
| 2321 | bfd_boolean is_get = (template->meta_opcode & 0x100); |
| 2322 | char buf[OPERAND_WIDTH]; |
| 2323 | char addr_buf[ADDR_WIDTH]; |
| 2324 | char prefix[DSP_PREFIX_WIDTH]; |
| 2325 | unsigned int part; |
| 2326 | const char *reg_name[2]; |
| 2327 | bfd_boolean is_high = FALSE; |
| 2328 | bfd_boolean is_dual = (insn_word & 0x4); |
| 2329 | bfd_boolean is_template = (insn_word & 0x2); |
| 2330 | const char *base_reg = "?"; |
| 2331 | unsigned int addr_unit, base_no, unit; |
| 2332 | |
| 2333 | unit = dsp_data_unit_to_sym (insn_word & 0x1); |
| 2334 | |
| 2335 | /* Is this a load/store to a template table? */ |
| 2336 | if (is_template) |
| 2337 | { |
| 2338 | part = (insn_word >> 19) & 0x1f; |
| 2339 | reg_name[0] = lookup_dsp_name (part, UNIT_DT); |
| 2340 | } |
| 2341 | else |
| 2342 | { |
| 2343 | part = (insn_word >> 19) & REG_MASK; |
| 2344 | is_high = ((part & 0x18) == 0x18); |
| 2345 | |
| 2346 | /* Strip bit high indicator. */ |
| 2347 | if (is_high) |
| 2348 | part &= 0x17; |
| 2349 | |
| 2350 | reg_name[0] = __lookup_dsp_name (part, unit); |
| 2351 | |
| 2352 | } |
| 2353 | |
| 2354 | /* Is this a dual unit DSP operation? The modulo operator below |
| 2355 | makes sure that we print the Rd register in the correct order, |
| 2356 | e.g. because there's only one bit in the instruction for the Data |
| 2357 | Unit we have to work out what the other data unit number is. |
| 2358 | (there's only 2). */ |
| 2359 | if (is_dual) |
| 2360 | { |
| 2361 | unsigned int _unit = insn_word & 0x1; |
| 2362 | |
| 2363 | _unit = ((_unit + 1) % 2); |
| 2364 | reg_name[1] = __lookup_dsp_name(part, dsp_data_unit_to_sym (_unit)); |
| 2365 | } |
| 2366 | else |
| 2367 | reg_name[1] = NULL; |
| 2368 | |
| 2369 | addr_unit = ((insn_word >> 18) & 0x1); |
| 2370 | if (addr_unit == 0) |
| 2371 | addr_unit = UNIT_A0; |
| 2372 | else |
| 2373 | addr_unit = UNIT_A1; |
| 2374 | |
| 2375 | base_no = (insn_word >> 14) & DSP_REG_MASK; |
| 2376 | |
| 2377 | base_reg = lookup_reg_name (addr_unit, base_no); |
| 2378 | |
| 2379 | /* Check if it's a post-increment/post-decrement. */ |
| 2380 | if (insn_word & 0x2000) |
| 2381 | { |
| 2382 | unsigned int imm = (insn_word >> 9) & DGET_SET_IMM_MASK; |
| 2383 | const char *post_op; |
| 2384 | |
| 2385 | switch (imm) |
| 2386 | { |
| 2387 | case 0x1: |
| 2388 | post_op = "++"; |
| 2389 | break; |
| 2390 | case 0x3: |
| 2391 | post_op = "--"; |
| 2392 | break; |
| 2393 | default: |
| 2394 | post_op = ""; |
| 2395 | } |
| 2396 | |
| 2397 | snprintf (addr_buf, ADDR_WIDTH, "[%s%s]", base_reg, post_op); |
| 2398 | } |
| 2399 | else |
| 2400 | { |
| 2401 | unsigned int offset_part = (insn_word >> 9) & DSP_REG_MASK; |
| 2402 | const char *offset_reg = lookup_reg_name (addr_unit, offset_part); |
| 2403 | |
| 2404 | snprintf (addr_buf, ADDR_WIDTH, "[%s+%s++]", base_reg, offset_reg); |
| 2405 | } |
| 2406 | |
| 2407 | if (is_get) |
| 2408 | { |
| 2409 | if (is_dual && !is_template) |
| 2410 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", reg_name[0], |
| 2411 | reg_name[1], addr_buf); |
| 2412 | else |
| 2413 | snprintf (buf, OPERAND_WIDTH, "%s,%s", reg_name[0], addr_buf); |
| 2414 | } |
| 2415 | else |
| 2416 | { |
| 2417 | if (is_dual && !is_template) |
| 2418 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s", addr_buf, |
| 2419 | reg_name[0], reg_name[1]); |
| 2420 | else |
| 2421 | snprintf (buf, OPERAND_WIDTH, "%s,%s", addr_buf, reg_name[0]); |
| 2422 | } |
| 2423 | |
| 2424 | snprintf (prefix, DSP_PREFIX_WIDTH, "D%s", is_high ? "H" : ""); |
| 2425 | print_insn (outf, prefix, template->name, buf); |
| 2426 | } |
| 2427 | |
| 2428 | /* Print a DSP template instruction. */ |
| 2429 | static void |
| 2430 | print_dtemplate (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2431 | const insn_template *template, |
| 2432 | disassemble_info *outf) |
| 2433 | { |
| 2434 | char buf[OPERAND_WIDTH]; |
| 2435 | char prefix[DSP_PREFIX_WIDTH]; |
| 2436 | unsigned int offset[4]; |
| 2437 | bfd_boolean is_half = (MINOR_OPCODE (insn_word) == 0x5); |
| 2438 | bfd_boolean daop_only = (MINOR_OPCODE (insn_word) == 0x3); |
| 2439 | |
| 2440 | offset[0] = ((insn_word >> 19) & REG_MASK); |
| 2441 | offset[1] = ((insn_word >> 14) & REG_MASK); |
| 2442 | offset[2] = ((insn_word >> 9) & REG_MASK); |
| 2443 | offset[3] = ((insn_word >> 4) & REG_MASK); |
| 2444 | |
| 2445 | if (daop_only) |
| 2446 | snprintf (buf, OPERAND_WIDTH, "#0x%x,#0x%x,#0x%x", offset[0], |
| 2447 | offset[1], offset[2]); |
| 2448 | else |
| 2449 | { |
| 2450 | snprintf (buf, OPERAND_WIDTH, "#0x%x,#0x%x,#0x%x,#0x%x", offset[0], |
| 2451 | offset[1], offset[2], offset[3]); |
| 2452 | } |
| 2453 | |
| 2454 | snprintf (prefix, DSP_PREFIX_WIDTH, "D%s", is_half ? "H" : ""); |
| 2455 | print_insn (outf, prefix, template->name, buf); |
| 2456 | } |
| 2457 | |
| 2458 | /* Format template definition from INSN_WORD into BUF. */ |
| 2459 | static void |
| 2460 | decode_template_definition(unsigned int insn_word, char *buf, size_t len) |
| 2461 | { |
| 2462 | bfd_boolean load = ((insn_word >> 13) & 0x1); |
| 2463 | bfd_boolean dspram = (((insn_word >> 17) & 0x3) == 0x3); |
| 2464 | const char *template[1]; |
| 2465 | unsigned int tidx = ((insn_word >> 9) & TEMPLATE_REGS_MASK); |
| 2466 | enum metag_unit au, ram_unit; |
| 2467 | unsigned int addr_reg_nums[2]; |
| 2468 | const char *addr_reg_names[2]; |
| 2469 | const char *post_op = ""; |
| 2470 | const char *join_op = ""; |
| 2471 | enum metag_unit data_unit = ((insn_word >> 24) & 0x1) ? UNIT_D1 : UNIT_D0; |
| 2472 | |
| 2473 | template[0] = lookup_dsp_name (tidx, UNIT_DT); |
| 2474 | |
| 2475 | addr_reg_names[1] = ""; |
| 2476 | |
| 2477 | if (dspram) |
| 2478 | { |
| 2479 | ram_unit = (data_unit == UNIT_D0) ? UNIT_RAM_D0 : UNIT_RAM_D1; |
| 2480 | addr_reg_nums[0] = ((insn_word >> 19) & REG_MASK); |
| 2481 | addr_reg_names[0] = lookup_dspram_name (addr_reg_nums[0], |
| 2482 | ram_unit, load); |
| 2483 | } |
| 2484 | else |
| 2485 | { |
| 2486 | bfd_boolean im = (((insn_word >> 18) & 0x1) != 0); |
| 2487 | |
| 2488 | au = (((insn_word >> 23) & 0x1) == 0) ? UNIT_A0 : UNIT_A1; |
| 2489 | addr_reg_nums[0] = ((insn_word >> 19) & DSP_REG_MASK); |
| 2490 | |
| 2491 | addr_reg_names[0] = lookup_reg_name (au, addr_reg_nums[0]); |
| 2492 | |
| 2493 | if (im) |
| 2494 | { |
| 2495 | unsigned int im_value = ((insn_word >> 14) & 0x3); |
| 2496 | |
| 2497 | switch (im_value) |
| 2498 | { |
| 2499 | case 0x1: |
| 2500 | post_op = "++"; |
| 2501 | break; |
| 2502 | case 0x3: |
| 2503 | post_op = "--"; |
| 2504 | break; |
| 2505 | } |
| 2506 | } |
| 2507 | else |
| 2508 | { |
| 2509 | addr_reg_nums[1] = ((insn_word >> 14) & DSP_REG_MASK); |
| 2510 | addr_reg_names[1] = lookup_reg_name (au, addr_reg_nums[1]); |
| 2511 | join_op = "+"; |
| 2512 | post_op = "++"; |
| 2513 | } |
| 2514 | } |
| 2515 | |
| 2516 | if (load) |
| 2517 | { |
| 2518 | len = snprintf (buf, len, " %s,[%s%s%s%s]", template[0], addr_reg_names[0], |
| 2519 | join_op, addr_reg_names[1], post_op); |
| 2520 | } |
| 2521 | else |
| 2522 | { |
| 2523 | len = snprintf (buf, len, " [%s%s%s%s],%s", addr_reg_names[0], join_op, |
| 2524 | addr_reg_names[1], post_op, template[0]); |
| 2525 | } |
| 2526 | } |
| 2527 | |
| 2528 | /* Print a DSP ALU instruction. */ |
| 2529 | static void |
| 2530 | print_dalu (unsigned int insn_word, bfd_vma pc ATTRIBUTE_UNUSED, |
| 2531 | const insn_template *template, |
| 2532 | disassemble_info *outf) |
| 2533 | { |
| 2534 | bfd_boolean is_dual = FALSE; |
| 2535 | unsigned int data_unit = (((insn_word >> 24) & 0x1) ? UNIT_D1 : UNIT_D0); |
| 2536 | const char *reg_names[3]; |
| 2537 | unsigned int reg_nums[3]; |
| 2538 | bfd_boolean ac = ((insn_word >> 7) & 0x1); |
| 2539 | char buf[OPERAND_WIDTH]; |
| 2540 | char prefix[DSP_PREFIX_WIDTH]; |
| 2541 | size_t len; |
| 2542 | bfd_boolean is_mod = FALSE; |
| 2543 | bfd_boolean is_overflow = FALSE; |
| 2544 | unsigned int reg_brackets[3]; |
| 2545 | bfd_boolean is_w_mx = FALSE; |
| 2546 | bfd_boolean is_b_mx = FALSE; |
| 2547 | bfd_boolean imm = FALSE; |
| 2548 | bfd_boolean is_quickrot64 = FALSE; |
| 2549 | bfd_boolean conditional = FALSE; |
| 2550 | const char *cc_flags = NULL; |
| 2551 | bfd_boolean is_unsigned = FALSE; |
| 2552 | |
| 2553 | memset (reg_brackets, 0, sizeof (reg_brackets)); |
| 2554 | |
| 2555 | if (template->arg_type & DSP_ARGS_1) |
| 2556 | { |
| 2557 | bfd_boolean is_template = FALSE; |
| 2558 | const char *addr_reg = NULL; |
| 2559 | bfd_boolean qr = FALSE; |
| 2560 | bfd_boolean is_acc_add = FALSE; |
| 2561 | bfd_boolean is_acc_sub = FALSE; |
| 2562 | bfd_boolean is_acc_zero = FALSE; |
| 2563 | bfd_boolean is_split8 = (template->arg_type & DSP_ARGS_SPLIT8); |
| 2564 | |
| 2565 | /* Read DU bit. */ |
| 2566 | data_unit = ((insn_word >> 24) & 0x1) ? UNIT_D1 : UNIT_D0; |
| 2567 | |
| 2568 | conditional = ((insn_word >> 24) & 0x4); |
| 2569 | |
| 2570 | /* Templates can't be conditional. */ |
| 2571 | is_template = (((insn_word & 0x02000002) == 0x2) && !conditional); |
| 2572 | |
| 2573 | if (is_split8) |
| 2574 | is_mod = (insn_word & 0x80); |
| 2575 | |
| 2576 | if (template->arg_type & DSP_ARGS_QR) |
| 2577 | { |
| 2578 | if (!conditional) |
| 2579 | is_quickrot64 = ((insn_word >> 5) & 0x1); |
| 2580 | } |
| 2581 | |
| 2582 | if (template->arg_type & DSP_ARGS_DACC) |
| 2583 | { |
| 2584 | is_mod = (insn_word & 0x8); |
| 2585 | is_unsigned = (insn_word & 0x40); |
| 2586 | } |
| 2587 | |
| 2588 | if (is_template) |
| 2589 | { |
| 2590 | is_w_mx = (insn_word & 0x1); |
| 2591 | is_dual = ((insn_word >> 0x4) & 0x1); |
| 2592 | |
| 2593 | /* De.r,Dx.r,De.r|ACe.r */ |
| 2594 | if (template->arg_type & DSP_ARGS_ACC2) |
| 2595 | { |
| 2596 | is_mod = (insn_word & 0x8); |
| 2597 | is_overflow = (insn_word & 0x20); |
| 2598 | } |
| 2599 | |
| 2600 | /* ACe.e,ACx.r,ACo.e? */ |
| 2601 | if ((template->arg_type & DSP_ARGS_XACC) && |
| 2602 | (((insn_word >> 6) & 0x5) == 0x5)) |
| 2603 | { |
| 2604 | enum metag_unit ac_unit, ao_unit; |
| 2605 | |
| 2606 | ac_unit = (data_unit == UNIT_D0) ? UNIT_ACC_D0 : UNIT_ACC_D1; |
| 2607 | |
| 2608 | if (ac_unit == UNIT_ACC_D0) |
| 2609 | ao_unit = UNIT_ACC_D1; |
| 2610 | else |
| 2611 | ao_unit = UNIT_ACC_D0; |
| 2612 | |
| 2613 | reg_nums[1] = ((insn_word >> 19) & REG_MASK); |
| 2614 | |
| 2615 | /* These are dummy arguments anyway so the register |
| 2616 | number does not matter. */ |
| 2617 | reg_names[0] = lookup_dsp_name (16, ac_unit); /* ACe.0 */ |
| 2618 | reg_names[1] = lookup_dsp_name (16, ac_unit); /* ACx.0 */ |
| 2619 | reg_names[2] = lookup_dsp_name (16, ao_unit); /* ACo.0 */ |
| 2620 | } |
| 2621 | else |
| 2622 | { |
| 2623 | /* De.r|ACe.r,Dx.r,De.r */ |
| 2624 | if (template->arg_type & DSP_ARGS_DACC && |
| 2625 | ((insn_word & 0x84) != 0)) |
| 2626 | { |
| 2627 | enum metag_unit ac_unit; |
| 2628 | |
| 2629 | ac_unit = (data_unit == UNIT_D0) ? UNIT_ACC_D0 : UNIT_ACC_D1; |
| 2630 | reg_names[0] = lookup_dsp_name (16, ac_unit); |
| 2631 | |
| 2632 | is_acc_zero = ((insn_word & 0x84) == 0x04); |
| 2633 | is_acc_add = ((insn_word & 0x84) == 0x80); |
| 2634 | is_acc_sub = ((insn_word & 0x84) == 0x84); |
| 2635 | } |
| 2636 | else |
| 2637 | reg_names[0] = lookup_any_reg_name (data_unit, 0, FALSE); |
| 2638 | |
| 2639 | /* These are dummy arguments anyway so the register |
| 2640 | number does not matter. */ |
| 2641 | reg_names[1] = lookup_any_reg_name (data_unit, 0, TRUE); |
| 2642 | |
| 2643 | /* De.r,Dx.r,De.r|ACe.r */ |
| 2644 | if ((template->arg_type & DSP_ARGS_ACC2) && |
| 2645 | ((insn_word & 0x80) == 0x80)) |
| 2646 | { |
| 2647 | enum metag_unit ac_unit; |
| 2648 | |
| 2649 | ac_unit = (data_unit == UNIT_D0) ? UNIT_ACC_D0 : UNIT_ACC_D1; |
| 2650 | reg_names[2] = lookup_dsp_name (16, ac_unit); |
| 2651 | } |
| 2652 | /* Detection of QUICKRoT and accumulator usage uses the |
| 2653 | same bits. They are mutually exclusive. */ |
| 2654 | else if (ac && (template->arg_type & DSP_ARGS_ACC2)) |
| 2655 | { |
| 2656 | reg_nums[2] = ((insn_word >> 9) & REG_MASK); |
| 2657 | |
| 2658 | if (data_unit == UNIT_D0) |
| 2659 | reg_names[2] = lookup_dsp_name (reg_nums[2], UNIT_ACC_D0); |
| 2660 | else |
| 2661 | reg_names[2] = lookup_dsp_name (reg_nums[2], UNIT_ACC_D1); |
| 2662 | } |
| 2663 | else |
| 2664 | { |
| 2665 | if ((template->arg_type & DSP_ARGS_QR) && |
| 2666 | ((insn_word & 0x40) == 0x40)) |
| 2667 | { |
| 2668 | enum metag_unit aunit; |
| 2669 | int reg_no; |
| 2670 | |
| 2671 | if (conditional) |
| 2672 | reg_no = ((insn_word >> 5) & 0x1); |
| 2673 | else |
| 2674 | reg_no = ((insn_word >> 7) & 0x1); |
| 2675 | |
| 2676 | aunit = (data_unit == UNIT_D0) ? UNIT_A0 : UNIT_A1; |
| 2677 | addr_reg = lookup_reg_name (aunit, reg_no + 2); |
| 2678 | |
| 2679 | qr = TRUE; |
| 2680 | } |
| 2681 | |
| 2682 | reg_names[2] = lookup_any_reg_name (data_unit, 0, TRUE); |
| 2683 | } |
| 2684 | } |
| 2685 | |
| 2686 | if (qr) |
| 2687 | { |
| 2688 | len = snprintf (buf, OPERAND_WIDTH, "%s,%s,%s,%s", |
| 2689 | reg_names[0], reg_names[1], reg_names[2], |
| 2690 | addr_reg); |
| 2691 | } |
| 2692 | else |
| 2693 | { |
| 2694 | len = snprintf (buf, OPERAND_WIDTH, "%s,%s,%s%s%s", |
| 2695 | reg_names[0], reg_names[1], |
| 2696 | reg_brackets[2] ? "[" : "", |
| 2697 | reg_names[2], reg_brackets[2] ? "]" : ""); |
| 2698 | } |
| 2699 | |
| 2700 | decode_template_definition (insn_word, buf + len, |
| 2701 | OPERAND_WIDTH - len); |
| 2702 | } |
| 2703 | else /* Not a template definiton. */ |
| 2704 | { |
| 2705 | reg_nums[0] = ((insn_word >> 19) & REG_MASK); |
| 2706 | reg_nums[1] = ((insn_word >> 14) & REG_MASK); |
| 2707 | reg_nums[2] = ((insn_word >> 9) & REG_MASK); |
| 2708 | |
| 2709 | imm = (((insn_word >> 24) & 0x2) && (template->arg_type & DSP_ARGS_IMM)); |
| 2710 | |
| 2711 | if (imm) |
| 2712 | is_dual = (insn_word & 0x4); |
| 2713 | else if (!conditional) |
| 2714 | is_dual = (insn_word & 0x10); |
| 2715 | else |
| 2716 | cc_flags = lookup_scc_flags ((insn_word >> 1) & CC_MASK); |
| 2717 | |
| 2718 | /* De.r,Dx.r,De.r|ACe.r */ |
| 2719 | if (template->arg_type & DSP_ARGS_ACC2) |
| 2720 | { |
| 2721 | is_mod = (insn_word & 0x8); |
| 2722 | is_overflow = (insn_word & 0x20); |
| 2723 | } |
| 2724 | |
| 2725 | if (template->arg_type & DSP_ARGS_SPLIT8) |
| 2726 | { |
| 2727 | is_overflow = (insn_word & 0x20); |
| 2728 | } |
| 2729 | |
| 2730 | /* ACe.e,ACx.r,ACo.e? */ |
| 2731 | if ((template->arg_type & DSP_ARGS_XACC) && |
| 2732 | (((insn_word >> 6) & 0x5) == 0x5)) |
| 2733 | { |
| 2734 | enum metag_unit ac_unit, ao_unit; |
| 2735 | |
| 2736 | ac_unit = (data_unit == UNIT_D0) ? UNIT_ACC_D0 : UNIT_ACC_D1; |
| 2737 | |
| 2738 | if (ac_unit == UNIT_ACC_D0) |
| 2739 | ao_unit = UNIT_ACC_D1; |
| 2740 | else |
| 2741 | ao_unit = UNIT_ACC_D0; |
| 2742 | |
| 2743 | reg_nums[1] = ((insn_word >> 19) & REG_MASK); |
| 2744 | reg_names[0] = lookup_dsp_name (reg_nums[1], ac_unit); |
| 2745 | reg_names[1] = lookup_dsp_name (reg_nums[1], ac_unit); |
| 2746 | reg_names[2] = lookup_dsp_name (reg_nums[1], ao_unit); |
| 2747 | } |
| 2748 | else |
| 2749 | { |
| 2750 | bfd_boolean o2r = (insn_word & 0x1); |
| 2751 | |
| 2752 | /* De.r|ACe.r,Dx.r,De.r */ |
| 2753 | if ((template->arg_type & DSP_ARGS_DACC) && |
| 2754 | ((insn_word & 0x84) != 0)) |
| 2755 | { |
| 2756 | enum metag_unit ac_unit; |
| 2757 | |
| 2758 | ac_unit = (data_unit == UNIT_D0) ? UNIT_ACC_D0 : UNIT_ACC_D1; |
| 2759 | reg_names[0] = lookup_dsp_name (reg_nums[0], ac_unit); |
| 2760 | |
| 2761 | is_acc_zero = ((insn_word & 0x84) == 0x04); |
| 2762 | is_acc_add = ((insn_word & 0x84) == 0x80); |
| 2763 | is_acc_sub = ((insn_word & 0x84) == 0x84); |
| 2764 | } |
| 2765 | else if (conditional) |
| 2766 | { |
| 2767 | reg_names[0] = lookup_reg_name (data_unit, reg_nums[0]); |
| 2768 | } |
| 2769 | else |
| 2770 | { |
| 2771 | reg_names[0] = lookup_any_reg_name (data_unit, |
| 2772 | reg_nums[0], FALSE); |
| 2773 | if (reg_nums[0] > 15) |
| 2774 | reg_brackets[0] = 1; |
| 2775 | } |
| 2776 | |
| 2777 | if (imm) |
| 2778 | { |
| 2779 | reg_names[1] = lookup_any_reg_name (data_unit, reg_nums[0], TRUE); |
| 2780 | |
| 2781 | if (reg_brackets[0]) |
| 2782 | reg_brackets[1] = 1; |
| 2783 | } |
| 2784 | else |
| 2785 | { |
| 2786 | if (is_split8 && is_mod) |
| 2787 | { |
| 2788 | reg_names[1] = lookup_reg_name (data_unit, reg_nums[1]); |
| 2789 | } |
| 2790 | else |
| 2791 | { |
| 2792 | reg_names[1] = lookup_any_reg_name (data_unit, reg_nums[1], TRUE); |
| 2793 | |
| 2794 | if (reg_nums[1] > 15) |
| 2795 | reg_brackets[1] = 1; |
| 2796 | } |
| 2797 | } |
| 2798 | |
| 2799 | /* Detection of QUICKRoT and accumulator usage uses the |
| 2800 | same bits. They are mutually exclusive. */ |
| 2801 | if (ac && (template->arg_type & DSP_ARGS_ACC2)) |
| 2802 | { |
| 2803 | if (data_unit == UNIT_D0) |
| 2804 | reg_names[2] = lookup_dsp_name (reg_nums[2], UNIT_ACC_D0); |
| 2805 | else |
| 2806 | reg_names[2] = lookup_dsp_name (reg_nums[2], UNIT_ACC_D1); |
| 2807 | } |
| 2808 | |
| 2809 | else |
| 2810 | { |
| 2811 | if ((template->arg_type & DSP_ARGS_QR) && |
| 2812 | ((insn_word & 0x40) == 0x40)) |
| 2813 | { |
| 2814 | enum metag_unit aunit; |
| 2815 | int reg_no; |
| 2816 | |
| 2817 | if (conditional) |
| 2818 | reg_no = ((insn_word >> 5) & 0x1); |
| 2819 | else |
| 2820 | reg_no = ((insn_word >> 7) & 0x1); |
| 2821 | |
| 2822 | aunit = (data_unit == UNIT_D0) ? UNIT_A0 : UNIT_A1; |
| 2823 | addr_reg = lookup_reg_name (aunit, reg_no + 2); |
| 2824 | |
| 2825 | qr = TRUE; |
| 2826 | } |
| 2827 | |
| 2828 | if (o2r) |
| 2829 | reg_names[2] = lookup_o2r (data_unit, reg_nums[2]); |
| 2830 | else |
| 2831 | { |
| 2832 | /* Can't use a DSPRAM reg if both QD and L1 are |
| 2833 | set on a QUICKRoT instruction or if we're a |
| 2834 | split 8. */ |
| 2835 | if (((template->arg_type & DSP_ARGS_QR) |
| 2836 | && ((insn_word & 0x30) == 0x30 && !conditional)) || |
| 2837 | (is_split8 && is_mod)) |
| 2838 | reg_names[2] = lookup_reg_name (data_unit, reg_nums[2]); |
| 2839 | else |
| 2840 | { |
| 2841 | reg_names[2] = lookup_any_reg_name (data_unit, |
| 2842 | reg_nums[2], TRUE); |
| 2843 | if (reg_nums[2] > 15) |
| 2844 | reg_brackets[2] = 1; |
| 2845 | } |
| 2846 | } |
| 2847 | } |
| 2848 | } |
| 2849 | |
| 2850 | if (qr) |
| 2851 | { |
| 2852 | len = snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s,%s%s%s,%s", |
| 2853 | reg_brackets[0] ? "[" : "", |
| 2854 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 2855 | reg_brackets[1] ? "[" : "", |
| 2856 | reg_names[1], reg_brackets[1] ? "]" : "", |
| 2857 | reg_brackets[2] ? "[" : "", |
| 2858 | reg_names[2], reg_brackets[2] ? "]" : "", |
| 2859 | addr_reg); |
| 2860 | } |
| 2861 | else |
| 2862 | { |
| 2863 | if (imm) |
| 2864 | { |
| 2865 | /* Conform to the embedded assembler's policy of |
| 2866 | printing negative numbers as decimal and positive |
| 2867 | as hex. */ |
| 2868 | int value = ((insn_word >> 3) & IMM16_MASK); |
| 2869 | |
| 2870 | if ((value & 0x8000) || value == 0) |
| 2871 | { |
| 2872 | value = sign_extend (value, IMM16_BITS); |
| 2873 | len = snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s,#%d", |
| 2874 | reg_brackets[0] ? "[" : "", |
| 2875 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 2876 | reg_brackets[1] ? "[" : "", |
| 2877 | reg_names[1], reg_brackets[1] ? "]" : "", |
| 2878 | value); |
| 2879 | } |
| 2880 | else |
| 2881 | { |
| 2882 | len = snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s,#%#x", |
| 2883 | reg_brackets[0] ? "[" : "", |
| 2884 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 2885 | reg_brackets[1] ? "[" : "", |
| 2886 | reg_names[1], reg_brackets[1] ? "]" : "", |
| 2887 | value); |
| 2888 | } |
| 2889 | } |
| 2890 | else |
| 2891 | { |
| 2892 | len = snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s,%s%s%s", |
| 2893 | reg_brackets[0] ? "[" : "", |
| 2894 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 2895 | reg_brackets[1] ? "[" : "", reg_names[1], |
| 2896 | reg_brackets[1] ? "]" : "", |
| 2897 | reg_brackets[2] ? "[" : "", |
| 2898 | reg_names[2], reg_brackets[2] ? "]" : ""); |
| 2899 | } |
| 2900 | } |
| 2901 | } |
| 2902 | |
| 2903 | snprintf (prefix, DSP_PREFIX_WIDTH, "D%s%s%s%s%s%s%s%s%s%s%s%s", |
| 2904 | cc_flags ? cc_flags : "", |
| 2905 | is_dual ? "L" : "", |
| 2906 | is_quickrot64 ? "Q" : "", |
| 2907 | is_unsigned ? "U" : "", |
| 2908 | is_mod ? "M" : "", |
| 2909 | is_acc_zero ? "Z" : "", |
| 2910 | is_acc_add ? "P" : "", is_acc_sub ? "N" : "", |
| 2911 | is_overflow ? "O" : "", |
| 2912 | is_w_mx ? "W" : "", |
| 2913 | is_b_mx ? "B" : "", |
| 2914 | is_template ? "T" : ""); |
| 2915 | } |
| 2916 | else if (template->arg_type & DSP_ARGS_2) /* Group 2. */ |
| 2917 | { |
| 2918 | bfd_boolean is_template; |
| 2919 | bfd_boolean o2r = FALSE; |
| 2920 | int major = MAJOR_OPCODE (template->meta_opcode); |
| 2921 | bfd_boolean is_neg_or_mov = (major == OPC_ADD || major == OPC_SUB); |
| 2922 | bfd_boolean is_cmp_tst = ((major == OPC_CMP) && |
| 2923 | ((insn_word & 0x0000002c) == 0)); |
| 2924 | bfd_boolean is_fpu_mov = template->insn_type == INSN_DSP_FPU; |
| 2925 | bfd_boolean to_fpu = (template->meta_opcode >> 7) & 0x1; |
| 2926 | |
| 2927 | if (major == OPC_9) |
| 2928 | imm = (insn_word & 0x2); |
| 2929 | else if (template->arg_type & DSP_ARGS_IMM) |
| 2930 | imm = ((insn_word >> 25) & 0x1); |
| 2931 | |
| 2932 | is_template = (((insn_word & 0x02000002) == 0x2) && |
| 2933 | major != OPC_9); |
| 2934 | |
| 2935 | if (imm) |
| 2936 | is_dual = ((insn_word >> 0x2) & 0x1); |
| 2937 | else |
| 2938 | is_dual = ((insn_word >> 0x4) & 0x1); |
| 2939 | |
| 2940 | /* MOV and XSD[BW] do not have o2r. */ |
| 2941 | if (major != OPC_9 && major != OPC_MISC) |
| 2942 | o2r = (insn_word & 0x1); |
| 2943 | |
| 2944 | if (is_neg_or_mov) |
| 2945 | { |
| 2946 | is_mod = (insn_word & 0x8); |
| 2947 | is_overflow = (insn_word & 0x20); |
| 2948 | } |
| 2949 | |
| 2950 | /* XSD */ |
| 2951 | if (major == OPC_MISC) |
| 2952 | data_unit = (insn_word & 0x1) ? UNIT_D1 : UNIT_D0; |
| 2953 | else |
| 2954 | data_unit = ((insn_word >> 24) & 0x1) ? UNIT_D1 : UNIT_D0; |
| 2955 | |
| 2956 | /* Check for NEG,MOV,ABS,FFB, etc. */ |
| 2957 | if (is_neg_or_mov || !is_cmp_tst || imm || |
| 2958 | MAJOR_OPCODE (insn_word) == OPC_9 || |
| 2959 | MAJOR_OPCODE (insn_word) == OPC_MISC) |
| 2960 | reg_nums[0] = ((insn_word >> 19) & REG_MASK); |
| 2961 | else |
| 2962 | reg_nums[0] = ((insn_word >> 14) & REG_MASK); |
| 2963 | |
| 2964 | if (is_template) |
| 2965 | { |
| 2966 | is_w_mx = (insn_word & 0x1); |
| 2967 | |
| 2968 | /* These are dummy arguments anyway so the register number |
| 2969 | does not matter. */ |
| 2970 | if (is_fpu_mov) |
| 2971 | { |
| 2972 | if (to_fpu) |
| 2973 | { |
| 2974 | reg_names[0] = lookup_reg_name (UNIT_FX, 0); |
| 2975 | reg_names[1] = lookup_reg_name (data_unit, 0); |
| 2976 | } |
| 2977 | else |
| 2978 | { |
| 2979 | reg_names[0] = lookup_reg_name (data_unit, 0); |
| 2980 | reg_names[1] = lookup_reg_name (UNIT_FX, 0); |
| 2981 | } |
| 2982 | } |
| 2983 | else |
| 2984 | { |
| 2985 | reg_names[0] = lookup_reg_name (data_unit, 0); |
| 2986 | reg_names[1] = lookup_reg_name (data_unit, 0); |
| 2987 | } |
| 2988 | |
| 2989 | len = snprintf (buf, OPERAND_WIDTH, "%s,%s", |
| 2990 | reg_names[0], reg_names[1]); |
| 2991 | |
| 2992 | decode_template_definition (insn_word, buf + len, |
| 2993 | OPERAND_WIDTH - len); |
| 2994 | } |
| 2995 | else |
| 2996 | { |
| 2997 | if (imm) |
| 2998 | { |
| 2999 | /* Conform to the embedded assembler's policy of |
| 3000 | printing negative numbers as decimal and positive as |
| 3001 | hex. */ |
| 3002 | unsigned int value = ((insn_word >> 3) & IMM16_MASK); |
| 3003 | |
| 3004 | if (major == OPC_9) |
| 3005 | { |
| 3006 | data_unit = (insn_word & 0x1) ? UNIT_D1 : UNIT_D0; |
| 3007 | is_dual = (insn_word & 0x4); |
| 3008 | |
| 3009 | reg_names[0] = __lookup_dsp_name (reg_nums[0], data_unit); |
| 3010 | } |
| 3011 | else |
| 3012 | { |
| 3013 | reg_names[0] = lookup_any_reg_name (data_unit, reg_nums[0], TRUE); |
| 3014 | if (reg_nums[0] > 15) |
| 3015 | reg_brackets[0] = 1; |
| 3016 | } |
| 3017 | |
| 3018 | if ((value & 0x8000) || value == 0) |
| 3019 | { |
| 3020 | value = sign_extend (value, IMM16_BITS); |
| 3021 | snprintf (buf, OPERAND_WIDTH, "%s%s%s,#%d", |
| 3022 | reg_brackets[0] ? "[" : "", |
| 3023 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 3024 | value); |
| 3025 | } |
| 3026 | else |
| 3027 | { |
| 3028 | snprintf (buf, OPERAND_WIDTH, "%s%s%s,#0x%x", |
| 3029 | reg_brackets[0] ? "[" : "", |
| 3030 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 3031 | value); |
| 3032 | } |
| 3033 | } |
| 3034 | else |
| 3035 | { |
| 3036 | if (is_neg_or_mov || is_cmp_tst) |
| 3037 | reg_nums[1] = ((insn_word >> 9) & REG_MASK); |
| 3038 | else |
| 3039 | reg_nums[1] = ((insn_word >> 14) & REG_MASK); |
| 3040 | |
| 3041 | if (major == OPC_9) |
| 3042 | { |
| 3043 | is_dual = (insn_word & 0x4); |
| 3044 | data_unit = (insn_word & 0x1) ? UNIT_D1 : UNIT_D0; |
| 3045 | |
| 3046 | if (MINOR_OPCODE (template->meta_opcode) == 0x1) |
| 3047 | reg_names[0] = __lookup_dsp_name (reg_nums[0], data_unit); |
| 3048 | else |
| 3049 | reg_names[0] = lookup_reg_name (data_unit, reg_nums[0]); |
| 3050 | } |
| 3051 | else |
| 3052 | { |
| 3053 | unsigned int reg0_unit = data_unit; |
| 3054 | |
| 3055 | if (is_fpu_mov && to_fpu) |
| 3056 | reg0_unit = UNIT_FX; |
| 3057 | |
| 3058 | reg_names[0] = lookup_any_reg_name (reg0_unit, reg_nums[0], |
| 3059 | (!is_neg_or_mov && is_cmp_tst)); |
| 3060 | if (reg_nums[0] > 15) |
| 3061 | reg_brackets[0] = 1; |
| 3062 | } |
| 3063 | |
| 3064 | if (o2r) |
| 3065 | reg_names[1] = lookup_o2r (data_unit, reg_nums[1]); |
| 3066 | else |
| 3067 | { |
| 3068 | /* Check for accumulator argument. */ |
| 3069 | if (is_neg_or_mov && ((insn_word & 0x80) == 0x80)) |
| 3070 | { |
| 3071 | if (data_unit == UNIT_D0) |
| 3072 | reg_names[1] = lookup_dsp_name (reg_nums[1], UNIT_ACC_D0); |
| 3073 | else |
| 3074 | reg_names[1] = lookup_dsp_name (reg_nums[1], UNIT_ACC_D1); |
| 3075 | } |
| 3076 | else |
| 3077 | { |
| 3078 | if (major == OPC_9) |
| 3079 | { |
| 3080 | if (MINOR_OPCODE (template->meta_opcode) == 0x1) |
| 3081 | { |
| 3082 | reg_names[1] = lookup_reg_name (data_unit, reg_nums[1]); |
| 3083 | } |
| 3084 | else |
| 3085 | { |
| 3086 | enum metag_unit u; |
| 3087 | |
| 3088 | u = (insn_word & 0x1) ? UNIT_RAM_D1 : UNIT_RAM_D0; |
| 3089 | reg_names[1] = lookup_dsp_name (reg_nums[1], u); |
| 3090 | } |
| 3091 | } |
| 3092 | else |
| 3093 | { |
| 3094 | reg_names[1] = lookup_any_reg_name (data_unit, |
| 3095 | reg_nums[1], TRUE); |
| 3096 | if (reg_nums[1] > 15) |
| 3097 | reg_brackets[1] = 1; |
| 3098 | } |
| 3099 | } |
| 3100 | } |
| 3101 | |
| 3102 | snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s", |
| 3103 | reg_brackets[0] ? "[" : "", reg_names[0], |
| 3104 | reg_brackets[0] ? "]" : "", |
| 3105 | reg_brackets[1] ? "[" : "", reg_names[1], |
| 3106 | reg_brackets[1] ? "]" : ""); |
| 3107 | } |
| 3108 | } |
| 3109 | |
| 3110 | snprintf (prefix, DSP_PREFIX_WIDTH, "D%s%s%s%s%s%s", |
| 3111 | is_fpu_mov ? "F" : "", |
| 3112 | is_dual ? "L" : "", |
| 3113 | is_mod ? "M" : "", is_overflow ? "O" : "", |
| 3114 | is_w_mx ? "W" : "", |
| 3115 | is_template ? "T" : ""); |
| 3116 | } |
| 3117 | else /* Group 3. */ |
| 3118 | { |
| 3119 | /* If both the C and CA bits are set, then the Rd register can |
| 3120 | be in any unit. Figure out which unit from the Ud field. */ |
| 3121 | bfd_boolean all_units = (((insn_word) & 0x04000020) == 0x04000020); |
| 3122 | enum metag_unit ud_unit = ((insn_word >> 1) & UNIT_MASK); |
| 3123 | enum metag_unit ram_unit, acc_unit; |
| 3124 | bfd_boolean round = FALSE; |
| 3125 | bfd_boolean clamp9 = FALSE; |
| 3126 | bfd_boolean clamp8 = FALSE; |
| 3127 | bfd_boolean is_template = ((insn_word & 0x04000002) == 0x2); |
| 3128 | |
| 3129 | imm = ((insn_word >> 25) & 0x1); |
| 3130 | ac = (insn_word & 0x1); |
| 3131 | |
| 3132 | conditional = (MINOR_OPCODE (insn_word) & 0x4); |
| 3133 | |
| 3134 | /* Check for conditional and not Condition Always. */ |
| 3135 | if (conditional && !(insn_word & 0x20)) |
| 3136 | cc_flags = lookup_scc_flags ((insn_word >> 1) & CC_MASK); |
| 3137 | else if (!(conditional && (insn_word & 0x20))) |
| 3138 | is_dual = ((insn_word >> 0x4) & 0x1); |
| 3139 | |
| 3140 | /* Conditional instructions don't have the L1 or RSPP fields. */ |
| 3141 | if ((insn_word & 0x04000000) == 0) |
| 3142 | { |
| 3143 | round = (((insn_word >> 2) & 0x3) == 0x1); |
| 3144 | clamp9 = (((insn_word >> 2) & 0x3) == 0x2); |
| 3145 | clamp8 = (((insn_word >> 2) & 0x3) == 0x3); |
| 3146 | } |
| 3147 | |
| 3148 | /* Read DU bit. */ |
| 3149 | data_unit = ((insn_word >> 24) & 0x1) ? UNIT_D1 : UNIT_D0; |
| 3150 | reg_nums[0] = ((insn_word >> 19) & REG_MASK); |
| 3151 | reg_nums[1] = ((insn_word >> 14) & REG_MASK); |
| 3152 | |
| 3153 | ram_unit = (data_unit == UNIT_D0) ? UNIT_RAM_D0 : UNIT_RAM_D1; |
| 3154 | acc_unit = (data_unit == UNIT_D0) ? UNIT_ACC_D0 : UNIT_ACC_D1; |
| 3155 | |
| 3156 | if (all_units) |
| 3157 | reg_names[0] = lookup_reg_name (ud_unit, reg_nums[0]); |
| 3158 | else |
| 3159 | { |
| 3160 | if (conditional) |
| 3161 | reg_names[0] = lookup_reg_name (data_unit, reg_nums[0]); |
| 3162 | else |
| 3163 | { |
| 3164 | reg_names[0] = lookup_any_reg_name (data_unit, reg_nums[0], FALSE); |
| 3165 | if (reg_nums[0] > 15) |
| 3166 | reg_brackets[0] = 1; |
| 3167 | } |
| 3168 | } |
| 3169 | |
| 3170 | if (ac) |
| 3171 | { |
| 3172 | reg_names[1] = lookup_dsp_name (reg_nums[1], acc_unit); |
| 3173 | } |
| 3174 | else |
| 3175 | { |
| 3176 | reg_names[1] = lookup_any_reg_name (data_unit, reg_nums[1], TRUE); |
| 3177 | if (reg_nums[1] > 15) |
| 3178 | reg_brackets[1] = 1; |
| 3179 | } |
| 3180 | |
| 3181 | if (imm) |
| 3182 | { |
| 3183 | snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s,#%#x", |
| 3184 | reg_brackets[0] ? "[" : "", |
| 3185 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 3186 | reg_brackets[1] ? "[" : "", |
| 3187 | reg_names[1], reg_brackets[1] ? "]" : "", |
| 3188 | ((insn_word >> 9) & IMM5_MASK)); |
| 3189 | } |
| 3190 | else |
| 3191 | { |
| 3192 | reg_nums[2] = ((insn_word >> 9) & REG_MASK); |
| 3193 | |
| 3194 | reg_names[2] = lookup_any_reg_name (data_unit, reg_nums[2], TRUE); |
| 3195 | |
| 3196 | if (reg_nums[2] > 15) |
| 3197 | reg_brackets[2] = 1; |
| 3198 | |
| 3199 | if (is_template) |
| 3200 | { |
| 3201 | bfd_boolean load = ((insn_word >> 13) & 0x1); |
| 3202 | bfd_boolean dspram = (((insn_word >> 17) & 0x3) == 0x3); |
| 3203 | const char *tname[1]; |
| 3204 | unsigned int tidx = ((insn_word >> 9) & TEMPLATE_REGS_MASK); |
| 3205 | enum metag_unit au; |
| 3206 | unsigned int addr_reg_nums[2]; |
| 3207 | const char *addr_reg_names[2]; |
| 3208 | const char *post_op = ""; |
| 3209 | const char *join_op = ""; |
| 3210 | |
| 3211 | is_w_mx = ((insn_word >> 5) & 0x1); |
| 3212 | |
| 3213 | tname[0] = lookup_dsp_name (tidx, UNIT_DT); |
| 3214 | |
| 3215 | /* These are dummy arguments anyway */ |
| 3216 | reg_names[0] = lookup_reg_name (data_unit, 0); |
| 3217 | if (ac) |
| 3218 | reg_names[1] = lookup_dsp_name (16, acc_unit); |
| 3219 | else |
| 3220 | reg_names[1] = lookup_reg_name (data_unit, 0); |
| 3221 | reg_names[2] = lookup_reg_name (data_unit, 0); |
| 3222 | |
| 3223 | addr_reg_names[1] = ""; |
| 3224 | |
| 3225 | if (dspram) |
| 3226 | { |
| 3227 | ram_unit = (data_unit == UNIT_D0) ? UNIT_RAM_D0 : UNIT_RAM_D1; |
| 3228 | addr_reg_nums[0] = ((insn_word >> 19) & REG_MASK); |
| 3229 | addr_reg_names[0] = lookup_dspram_name (addr_reg_nums[0], |
| 3230 | ram_unit, load); |
| 3231 | } |
| 3232 | else |
| 3233 | { |
| 3234 | bfd_boolean im = (((insn_word >> 18) & 0x1) != 0); |
| 3235 | |
| 3236 | au = (((insn_word >> 23) & 0x1) == 0) ? UNIT_A0 : UNIT_A1; |
| 3237 | addr_reg_nums[0] = ((insn_word >> 19) & DSP_REG_MASK); |
| 3238 | |
| 3239 | addr_reg_names[0] = lookup_reg_name (au, addr_reg_nums[0]); |
| 3240 | |
| 3241 | if (im) |
| 3242 | { |
| 3243 | unsigned int im_value = ((insn_word >> 14) & 0x3); |
| 3244 | |
| 3245 | switch (im_value) |
| 3246 | { |
| 3247 | case 0x1: |
| 3248 | post_op = "++"; |
| 3249 | break; |
| 3250 | case 0x3: |
| 3251 | post_op = "--"; |
| 3252 | break; |
| 3253 | } |
| 3254 | } |
| 3255 | else |
| 3256 | { |
| 3257 | addr_reg_nums[1] = ((insn_word >> 14) & DSP_REG_MASK); |
| 3258 | addr_reg_names[1] = lookup_reg_name (au, addr_reg_nums[1]); |
| 3259 | join_op = "+"; |
| 3260 | post_op = "++"; |
| 3261 | } |
| 3262 | } |
| 3263 | |
| 3264 | if (load) |
| 3265 | { |
| 3266 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s %s,[%s%s%s%s]", |
| 3267 | reg_names[0], reg_names[1], reg_names[2], |
| 3268 | tname[0], addr_reg_names[0], join_op, |
| 3269 | addr_reg_names[1], post_op); |
| 3270 | } |
| 3271 | else |
| 3272 | { |
| 3273 | snprintf (buf, OPERAND_WIDTH, "%s,%s,%s [%s%s%s%s],%s", |
| 3274 | reg_names[0], reg_names[1], reg_names[2], |
| 3275 | addr_reg_names[0], join_op, addr_reg_names[1], |
| 3276 | post_op, tname[0]); |
| 3277 | } |
| 3278 | } |
| 3279 | else |
| 3280 | { |
| 3281 | snprintf (buf, OPERAND_WIDTH, "%s%s%s,%s%s%s,%s%s%s", |
| 3282 | reg_brackets[0] ? "[" : "", |
| 3283 | reg_names[0], reg_brackets[0] ? "]" : "", |
| 3284 | reg_brackets[1] ? "[" : "", |
| 3285 | reg_names[1], reg_brackets[1] ? "]" : "", |
| 3286 | reg_brackets[2] ? "[" : "", |
| 3287 | reg_names[2], reg_brackets[2] ? "]" : ""); |
| 3288 | } |
| 3289 | } |
| 3290 | |
| 3291 | snprintf (prefix, DSP_PREFIX_WIDTH, "D%s%s%s%s%s%s%s", |
| 3292 | cc_flags ? cc_flags : "", |
| 3293 | is_dual ? "L" : "", clamp9 ? "G" : "", |
| 3294 | clamp8 ? "B" : "", round ? "R" : "", |
| 3295 | is_w_mx ? "W" : "", |
| 3296 | is_template ? "T" : ""); |
| 3297 | } |
| 3298 | |
| 3299 | print_insn (outf, prefix, template->name, buf); |
| 3300 | |
| 3301 | } |
| 3302 | |
| 3303 | typedef void (*insn_printer)(unsigned int, bfd_vma, const insn_template *, |
| 3304 | disassemble_info *); |
| 3305 | |
| 3306 | /* Printer table. */ |
| 3307 | static const insn_printer insn_printers[ENC_MAX] = |
| 3308 | { |
| 3309 | [ENC_NONE] = print_none, |
| 3310 | [ENC_MOV_U2U] = print_mov_u2u, |
| 3311 | [ENC_MOV_PORT] = print_mov_port, |
| 3312 | [ENC_MMOV] = print_mmov, |
| 3313 | [ENC_MDRD] = print_mdrd, |
| 3314 | [ENC_MOVL_TTREC] = print_movl_ttrec, |
| 3315 | [ENC_GET_SET] = print_get_set, |
| 3316 | [ENC_GET_SET_EXT] = print_get_set_ext, |
| 3317 | [ENC_MGET_MSET] = print_mget_mset, |
| 3318 | [ENC_COND_SET] = print_cond_set, |
| 3319 | [ENC_XFR] = print_xfr, |
| 3320 | [ENC_MOV_CT] = print_mov_ct, |
| 3321 | [ENC_SWAP] = print_swap, |
| 3322 | [ENC_JUMP] = print_jump, |
| 3323 | [ENC_CALLR] = print_callr, |
| 3324 | [ENC_ALU] = print_alu, |
| 3325 | [ENC_SHIFT] = print_shift, |
| 3326 | [ENC_MIN_MAX] = print_min_max, |
| 3327 | [ENC_BITOP] = print_bitop, |
| 3328 | [ENC_CMP] = print_cmp, |
| 3329 | [ENC_BRANCH] = print_branch, |
| 3330 | [ENC_KICK] = print_mov_u2u, |
| 3331 | [ENC_SWITCH] = print_switch, |
| 3332 | [ENC_CACHER] = print_cacher, |
| 3333 | [ENC_CACHEW] = print_cachew, |
| 3334 | [ENC_ICACHE] = print_icache, |
| 3335 | [ENC_LNKGET] = print_lnkget, |
| 3336 | [ENC_FMOV] = print_fmov, |
| 3337 | [ENC_FMMOV] = print_fmmov, |
| 3338 | [ENC_FMOV_DATA] = print_fmov_data, |
| 3339 | [ENC_FMOV_I] = print_fmov_i, |
| 3340 | [ENC_FPACK] = print_fpack, |
| 3341 | [ENC_FSWAP] = print_fswap, |
| 3342 | [ENC_FCMP] = print_fcmp, |
| 3343 | [ENC_FMINMAX] = print_fminmax, |
| 3344 | [ENC_FCONV] = print_fconv, |
| 3345 | [ENC_FCONVX] = print_fconvx, |
| 3346 | [ENC_FBARITH] = print_fbarith, |
| 3347 | [ENC_FEARITH] = print_fearith, |
| 3348 | [ENC_FREC] = print_frec, |
| 3349 | [ENC_FSIMD] = print_fsimd, |
| 3350 | [ENC_FGET_SET_ACF] = print_fget_set_acf, |
| 3351 | [ENC_DGET_SET] = print_dget_set, |
| 3352 | [ENC_DTEMPLATE] = print_dtemplate, |
| 3353 | [ENC_DALU] = print_dalu, |
| 3354 | }; |
| 3355 | |
| 3356 | /* Entry point for instruction printing. */ |
| 3357 | int |
| 3358 | print_insn_metag (bfd_vma pc, disassemble_info *outf) |
| 3359 | { |
| 3360 | bfd_byte buf[4]; |
| 3361 | unsigned int insn_word; |
| 3362 | size_t i; |
| 3363 | outf->bytes_per_chunk = 4; |
| 3364 | |
| 3365 | (*outf->read_memory_func) (pc & ~0x03, buf, 4, outf); |
| 3366 | insn_word = bfd_getl32 (buf); |
| 3367 | |
| 3368 | for (i = 0; i < sizeof(metag_optab)/sizeof(metag_optab[0]); i++) |
| 3369 | { |
| 3370 | const insn_template *template = &metag_optab[i]; |
| 3371 | |
| 3372 | if ((insn_word & template->meta_mask) == template->meta_opcode) |
| 3373 | { |
| 3374 | enum insn_encoding encoding = template->encoding; |
| 3375 | insn_printer printer = insn_printers[encoding]; |
| 3376 | |
| 3377 | if (printer) |
| 3378 | printer (insn_word, pc, template, outf); |
| 3379 | |
| 3380 | return 4; |
| 3381 | } |
| 3382 | } |
| 3383 | |
| 3384 | return 4; |
| 3385 | } |