| 1 | /* s12z-dis.c -- Freescale S12Z disassembly |
| 2 | Copyright (C) 2018 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of the GNU opcodes library. |
| 5 | |
| 6 | This library is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | It is distributed in the hope that it will be useful, but WITHOUT |
| 12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 13 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 14 | License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | #include "sysdep.h" |
| 22 | #include <stdio.h> |
| 23 | #include <stdint.h> |
| 24 | #include <stdbool.h> |
| 25 | #include <assert.h> |
| 26 | |
| 27 | #include "s12z.h" |
| 28 | |
| 29 | #include "bfd.h" |
| 30 | #include "dis-asm.h" |
| 31 | |
| 32 | |
| 33 | #include "disassemble.h" |
| 34 | |
| 35 | static int |
| 36 | read_memory (bfd_vma memaddr, bfd_byte* buffer, int size, |
| 37 | struct disassemble_info* info) |
| 38 | { |
| 39 | int status = (*info->read_memory_func) (memaddr, buffer, size, info); |
| 40 | if (status != 0) |
| 41 | { |
| 42 | (*info->memory_error_func) (status, memaddr, info); |
| 43 | return -1; |
| 44 | } |
| 45 | return 0; |
| 46 | } |
| 47 | |
| 48 | typedef int (* insn_bytes_f) (bfd_vma memaddr, |
| 49 | struct disassemble_info* info); |
| 50 | |
| 51 | typedef void (*operands_f) (bfd_vma memaddr, struct disassemble_info* info); |
| 52 | |
| 53 | enum OPR_MODE |
| 54 | { |
| 55 | OPR_IMMe4, |
| 56 | OPR_REG, |
| 57 | OPR_OFXYS, |
| 58 | OPR_XY_PRE_INC, |
| 59 | OPR_XY_POST_INC, |
| 60 | OPR_XY_PRE_DEC, |
| 61 | OPR_XY_POST_DEC, |
| 62 | OPR_S_PRE_DEC, |
| 63 | OPR_S_POST_INC, |
| 64 | OPR_REG_DIRECT, |
| 65 | OPR_REG_INDIRECT, |
| 66 | OPR_IDX_DIRECT, |
| 67 | OPR_IDX_INDIRECT, |
| 68 | OPR_EXT1, |
| 69 | OPR_IDX2_REG, |
| 70 | OPR_IDX3_DIRECT, |
| 71 | OPR_IDX3_INDIRECT, |
| 72 | |
| 73 | OPR_EXT18, |
| 74 | OPR_IDX3_DIRECT_REG, |
| 75 | OPR_EXT3_DIRECT, |
| 76 | OPR_EXT3_INDIRECT |
| 77 | }; |
| 78 | |
| 79 | struct opr_pb |
| 80 | { |
| 81 | uint8_t mask; |
| 82 | uint8_t value; |
| 83 | int n_operands; |
| 84 | enum OPR_MODE mode; |
| 85 | }; |
| 86 | |
| 87 | static const struct opr_pb opr_pb[] = { |
| 88 | {0xF0, 0x70, 1, OPR_IMMe4}, |
| 89 | {0xF8, 0xB8, 1, OPR_REG}, |
| 90 | {0xC0, 0x40, 1, OPR_OFXYS}, |
| 91 | {0xEF, 0xE3, 1, OPR_XY_PRE_INC}, |
| 92 | {0xEF, 0xE7, 1, OPR_XY_POST_INC}, |
| 93 | {0xEF, 0xC3, 1, OPR_XY_PRE_DEC}, |
| 94 | {0xEF, 0xC7, 1, OPR_XY_POST_DEC}, |
| 95 | {0xFF, 0xFB, 1, OPR_S_PRE_DEC}, |
| 96 | {0xFF, 0xFF, 1, OPR_S_POST_INC}, |
| 97 | {0xC8, 0x88, 1, OPR_REG_DIRECT}, |
| 98 | {0xE8, 0xC8, 1, OPR_REG_INDIRECT}, |
| 99 | |
| 100 | {0xCE, 0xC0, 2, OPR_IDX_DIRECT}, |
| 101 | {0xCE, 0xC4, 2, OPR_IDX_INDIRECT}, |
| 102 | {0xC0, 0x00, 2, OPR_EXT1}, |
| 103 | |
| 104 | {0xC8, 0x80, 3, OPR_IDX2_REG}, |
| 105 | {0xFA, 0xF8, 3, OPR_EXT18}, |
| 106 | |
| 107 | {0xCF, 0xC2, 4, OPR_IDX3_DIRECT}, |
| 108 | {0xCF, 0xC6, 4, OPR_IDX3_INDIRECT}, |
| 109 | |
| 110 | {0xF8, 0xE8, 4, OPR_IDX3_DIRECT_REG}, |
| 111 | {0xFF, 0xFA, 4, OPR_EXT3_DIRECT}, |
| 112 | {0xFF, 0xFE, 4, OPR_EXT3_INDIRECT}, |
| 113 | }; |
| 114 | |
| 115 | |
| 116 | /* Return the number of bytes in a OPR operand, including the XB postbyte. |
| 117 | It does not include any preceeding opcodes. */ |
| 118 | static int |
| 119 | opr_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 120 | { |
| 121 | bfd_byte xb; |
| 122 | int status = read_memory (memaddr, &xb, 1, info); |
| 123 | if (status < 0) |
| 124 | return status; |
| 125 | |
| 126 | size_t i; |
| 127 | for (i = 0; i < sizeof (opr_pb) / sizeof (opr_pb[0]); ++i) |
| 128 | { |
| 129 | const struct opr_pb *pb = opr_pb + i; |
| 130 | if ((xb & pb->mask) == pb->value) |
| 131 | { |
| 132 | return pb->n_operands; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | return 1; |
| 137 | } |
| 138 | |
| 139 | static int |
| 140 | opr_n_bytes_p1 (bfd_vma memaddr, struct disassemble_info* info) |
| 141 | { |
| 142 | return 1 + opr_n_bytes (memaddr, info); |
| 143 | } |
| 144 | |
| 145 | static int |
| 146 | opr_n_bytes2 (bfd_vma memaddr, struct disassemble_info* info) |
| 147 | { |
| 148 | int s = opr_n_bytes (memaddr, info); |
| 149 | s += opr_n_bytes (memaddr + s, info); |
| 150 | return s + 1; |
| 151 | } |
| 152 | |
| 153 | enum BB_MODE |
| 154 | { |
| 155 | BB_REG_REG_REG, |
| 156 | BB_REG_REG_IMM, |
| 157 | BB_REG_OPR_REG, |
| 158 | BB_OPR_REG_REG, |
| 159 | BB_REG_OPR_IMM, |
| 160 | BB_OPR_REG_IMM |
| 161 | }; |
| 162 | |
| 163 | struct opr_bb |
| 164 | { |
| 165 | uint8_t mask; |
| 166 | uint8_t value; |
| 167 | int n_operands; |
| 168 | bool opr; |
| 169 | enum BB_MODE mode; |
| 170 | }; |
| 171 | |
| 172 | static const struct opr_bb bb_modes[] = |
| 173 | { |
| 174 | {0x60, 0x00, 2, false, BB_REG_REG_REG}, |
| 175 | {0x60, 0x20, 3, false, BB_REG_REG_IMM}, |
| 176 | {0x70, 0x40, 2, true, BB_REG_OPR_REG}, |
| 177 | {0x70, 0x50, 2, true, BB_OPR_REG_REG}, |
| 178 | {0x70, 0x60, 3, true, BB_REG_OPR_IMM}, |
| 179 | {0x70, 0x70, 3, true, BB_OPR_REG_IMM} |
| 180 | }; |
| 181 | |
| 182 | static int |
| 183 | bfextins_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 184 | { |
| 185 | bfd_byte bb; |
| 186 | int status = read_memory (memaddr, &bb, 1, info); |
| 187 | if (status < 0) |
| 188 | return status; |
| 189 | |
| 190 | size_t i; |
| 191 | const struct opr_bb *bbs = 0; |
| 192 | for (i = 0; i < sizeof (bb_modes) / sizeof (bb_modes[0]); ++i) |
| 193 | { |
| 194 | bbs = bb_modes + i; |
| 195 | if ((bb & bbs->mask) == bbs->value) |
| 196 | { |
| 197 | break; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | int n = bbs->n_operands; |
| 202 | if (bbs->opr) |
| 203 | n += opr_n_bytes (memaddr + n - 1, info); |
| 204 | |
| 205 | return n; |
| 206 | } |
| 207 | |
| 208 | static int |
| 209 | single (bfd_vma memaddr ATTRIBUTE_UNUSED, |
| 210 | struct disassemble_info* info ATTRIBUTE_UNUSED) |
| 211 | { |
| 212 | return 1; |
| 213 | } |
| 214 | |
| 215 | static int |
| 216 | two (bfd_vma memaddr ATTRIBUTE_UNUSED, |
| 217 | struct disassemble_info* info ATTRIBUTE_UNUSED) |
| 218 | { |
| 219 | return 2; |
| 220 | } |
| 221 | |
| 222 | static int |
| 223 | three (bfd_vma memaddr ATTRIBUTE_UNUSED, |
| 224 | struct disassemble_info* info ATTRIBUTE_UNUSED) |
| 225 | { |
| 226 | return 3; |
| 227 | } |
| 228 | |
| 229 | static int |
| 230 | four (bfd_vma memaddr ATTRIBUTE_UNUSED, |
| 231 | struct disassemble_info* info ATTRIBUTE_UNUSED) |
| 232 | { |
| 233 | return 4; |
| 234 | } |
| 235 | |
| 236 | static int |
| 237 | five (bfd_vma memaddr ATTRIBUTE_UNUSED, |
| 238 | struct disassemble_info* info ATTRIBUTE_UNUSED) |
| 239 | { |
| 240 | return 5; |
| 241 | } |
| 242 | |
| 243 | static int |
| 244 | pcrel_15bit (bfd_vma memaddr, struct disassemble_info* info) |
| 245 | { |
| 246 | bfd_byte byte; |
| 247 | int status = read_memory (memaddr, &byte, 1, info); |
| 248 | if (status < 0) |
| 249 | return status; |
| 250 | return (byte & 0x80) ? 3 : 2; |
| 251 | } |
| 252 | |
| 253 | |
| 254 | \f |
| 255 | |
| 256 | static void |
| 257 | operand_separator (struct disassemble_info *info) |
| 258 | { |
| 259 | if ((info->flags & 0x2)) |
| 260 | { |
| 261 | (*info->fprintf_func) (info->stream, ", "); |
| 262 | } |
| 263 | else |
| 264 | { |
| 265 | (*info->fprintf_func) (info->stream, " "); |
| 266 | } |
| 267 | |
| 268 | info->flags |= 0x2; |
| 269 | } |
| 270 | |
| 271 | \f |
| 272 | |
| 273 | static void |
| 274 | imm1 (bfd_vma memaddr, struct disassemble_info* info) |
| 275 | { |
| 276 | bfd_byte byte; |
| 277 | int status = read_memory (memaddr, &byte, 1, info); |
| 278 | if (status < 0) |
| 279 | return; |
| 280 | |
| 281 | operand_separator (info); |
| 282 | (*info->fprintf_func) (info->stream, "#%d", byte); |
| 283 | } |
| 284 | |
| 285 | static void |
| 286 | trap_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 287 | { |
| 288 | imm1 (memaddr - 1, info); |
| 289 | } |
| 290 | |
| 291 | |
| 292 | const struct reg registers[S12Z_N_REGISTERS] = |
| 293 | { |
| 294 | {"d2", 2}, |
| 295 | {"d3", 2}, |
| 296 | {"d4", 2}, |
| 297 | {"d5", 2}, |
| 298 | |
| 299 | {"d0", 1}, |
| 300 | {"d1", 1}, |
| 301 | |
| 302 | {"d6", 4}, |
| 303 | {"d7", 4}, |
| 304 | |
| 305 | {"x", 3}, |
| 306 | {"y", 3}, |
| 307 | {"s", 3}, |
| 308 | {"p", 3}, |
| 309 | {"cch", 1}, |
| 310 | {"ccl", 1}, |
| 311 | {"ccw", 2} |
| 312 | }; |
| 313 | |
| 314 | static char * |
| 315 | xys_from_postbyte (uint8_t postbyte) |
| 316 | { |
| 317 | char *reg = "?"; |
| 318 | switch ((postbyte & 0x30) >> 4) |
| 319 | { |
| 320 | case 0: |
| 321 | reg = "x"; |
| 322 | break; |
| 323 | case 1: |
| 324 | reg = "y"; |
| 325 | break; |
| 326 | case 2: |
| 327 | reg = "s"; |
| 328 | break; |
| 329 | default: |
| 330 | reg = "?"; |
| 331 | break; |
| 332 | } |
| 333 | return reg; |
| 334 | } |
| 335 | |
| 336 | static char * |
| 337 | xysp_from_postbyte (uint8_t postbyte) |
| 338 | { |
| 339 | char *reg = "?"; |
| 340 | switch ((postbyte & 0x30) >> 4) |
| 341 | { |
| 342 | case 0: |
| 343 | reg = "x"; |
| 344 | break; |
| 345 | case 1: |
| 346 | reg = "y"; |
| 347 | break; |
| 348 | case 2: |
| 349 | reg = "s"; |
| 350 | break; |
| 351 | default: |
| 352 | reg = "p"; |
| 353 | break; |
| 354 | } |
| 355 | return reg; |
| 356 | } |
| 357 | |
| 358 | /* Render the symbol name whose value is ADDR or the adddress itself if there is |
| 359 | no symbol. */ |
| 360 | static void |
| 361 | decode_possible_symbol (bfd_vma addr, struct disassemble_info *info) |
| 362 | { |
| 363 | if (!info->symbol_at_address_func (addr, info)) |
| 364 | { |
| 365 | (*info->fprintf_func) (info->stream, "%" BFD_VMA_FMT "d", addr); |
| 366 | } |
| 367 | else |
| 368 | { |
| 369 | asymbol *sym = NULL; |
| 370 | int j; |
| 371 | for (j = 0; j < info->symtab_size; ++j) |
| 372 | { |
| 373 | sym = info->symtab[j]; |
| 374 | if (bfd_asymbol_value (sym) == addr) |
| 375 | { |
| 376 | break; |
| 377 | } |
| 378 | } |
| 379 | if (j < info->symtab_size) |
| 380 | (*info->fprintf_func) (info->stream, "%s", bfd_asymbol_name (sym)); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | static void ld_18bit_decode (bfd_vma memaddr, struct disassemble_info* info); |
| 385 | |
| 386 | static void |
| 387 | ext24_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 388 | { |
| 389 | uint8_t buffer[3]; |
| 390 | int status = read_memory (memaddr, buffer, 3, info); |
| 391 | if (status < 0) |
| 392 | return; |
| 393 | |
| 394 | int i; |
| 395 | uint32_t addr = 0; |
| 396 | for (i = 0; i < 3; ++i) |
| 397 | { |
| 398 | addr <<= 8; |
| 399 | addr |= buffer[i]; |
| 400 | } |
| 401 | |
| 402 | operand_separator (info); |
| 403 | decode_possible_symbol (addr, info); |
| 404 | } |
| 405 | |
| 406 | |
| 407 | static uint32_t |
| 408 | decode_signed_value (bfd_vma memaddr, struct disassemble_info* info, short size) |
| 409 | { |
| 410 | assert (size >0); |
| 411 | assert (size <= 4); |
| 412 | bfd_byte buffer[4]; |
| 413 | if (0 > read_memory (memaddr, buffer, size, info)) |
| 414 | { |
| 415 | return 0; |
| 416 | } |
| 417 | |
| 418 | int i; |
| 419 | uint32_t value = 0; |
| 420 | for (i = 0; i < size; ++i) |
| 421 | { |
| 422 | value |= buffer[i] << (8 * (size - i - 1)); |
| 423 | } |
| 424 | |
| 425 | if (buffer[0] & 0x80) |
| 426 | { |
| 427 | /* Deal with negative values */ |
| 428 | value -= 0x1UL << (size * 8); |
| 429 | } |
| 430 | return value; |
| 431 | } |
| 432 | |
| 433 | |
| 434 | static void |
| 435 | opr_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 436 | { |
| 437 | bfd_byte postbyte; |
| 438 | int status = read_memory (memaddr, &postbyte, 1, info); |
| 439 | if (status < 0) |
| 440 | return; |
| 441 | |
| 442 | enum OPR_MODE mode = -1; |
| 443 | size_t i; |
| 444 | for (i = 0; i < sizeof (opr_pb) / sizeof (opr_pb[0]); ++i) |
| 445 | { |
| 446 | const struct opr_pb *pb = opr_pb + i; |
| 447 | if ((postbyte & pb->mask) == pb->value) |
| 448 | { |
| 449 | mode = pb->mode; |
| 450 | break; |
| 451 | } |
| 452 | } |
| 453 | |
| 454 | operand_separator (info); |
| 455 | switch (mode) |
| 456 | { |
| 457 | case OPR_IMMe4: |
| 458 | { |
| 459 | int n; |
| 460 | uint8_t x = (postbyte & 0x0F); |
| 461 | if (x == 0) |
| 462 | n = -1; |
| 463 | else |
| 464 | n = x; |
| 465 | |
| 466 | (*info->fprintf_func) (info->stream, "#%d", n); |
| 467 | break; |
| 468 | } |
| 469 | case OPR_REG: |
| 470 | { |
| 471 | uint8_t x = (postbyte & 0x07); |
| 472 | (*info->fprintf_func) (info->stream, "%s", registers[x].name); |
| 473 | break; |
| 474 | } |
| 475 | case OPR_OFXYS: |
| 476 | { |
| 477 | const char *reg = xys_from_postbyte (postbyte); |
| 478 | (*info->fprintf_func) (info->stream, "(%d,%s)", postbyte & 0x0F, reg); |
| 479 | break; |
| 480 | } |
| 481 | case OPR_REG_DIRECT: |
| 482 | { |
| 483 | (*info->fprintf_func) (info->stream, "(%s,%s)", registers[postbyte & 0x07].name, |
| 484 | xys_from_postbyte (postbyte)); |
| 485 | break; |
| 486 | } |
| 487 | case OPR_REG_INDIRECT: |
| 488 | { |
| 489 | (*info->fprintf_func) (info->stream, "[%s,%s]", registers[postbyte & 0x07].name, |
| 490 | (postbyte & 0x10) ? "y": "x"); |
| 491 | break; |
| 492 | } |
| 493 | |
| 494 | case OPR_IDX_INDIRECT: |
| 495 | { |
| 496 | uint8_t x1; |
| 497 | read_memory (memaddr + 1, &x1, 1, info); |
| 498 | int idx = x1; |
| 499 | |
| 500 | if (postbyte & 0x01) |
| 501 | { |
| 502 | /* Deal with negative values */ |
| 503 | idx -= 0x1UL << 8; |
| 504 | } |
| 505 | |
| 506 | (*info->fprintf_func) (info->stream, "[%d,%s]", idx, |
| 507 | xysp_from_postbyte (postbyte)); |
| 508 | break; |
| 509 | } |
| 510 | |
| 511 | case OPR_IDX3_DIRECT: |
| 512 | { |
| 513 | uint8_t x[3]; |
| 514 | read_memory (memaddr + 1, x, 3, info); |
| 515 | int idx = x[0] << 16 | x[1] << 8 | x[2]; |
| 516 | |
| 517 | if (x[0] & 0x80) |
| 518 | { |
| 519 | /* Deal with negative values */ |
| 520 | idx -= 0x1UL << 24; |
| 521 | } |
| 522 | |
| 523 | (*info->fprintf_func) (info->stream, "(%d,%s)", idx, |
| 524 | xysp_from_postbyte (postbyte)); |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | case OPR_IDX3_DIRECT_REG: |
| 529 | { |
| 530 | uint8_t x[3]; |
| 531 | read_memory (memaddr + 1, x, 3, info); |
| 532 | int idx = x[0] << 16 | x[1] << 8 | x[2]; |
| 533 | |
| 534 | if (x[0] & 0x80) |
| 535 | { |
| 536 | /* Deal with negative values */ |
| 537 | idx -= 0x1UL << 24; |
| 538 | } |
| 539 | |
| 540 | (*info->fprintf_func) (info->stream, "(%d,%s)", idx, |
| 541 | registers[postbyte & 0x07].name); |
| 542 | break; |
| 543 | } |
| 544 | |
| 545 | case OPR_IDX3_INDIRECT: |
| 546 | { |
| 547 | uint8_t x[3]; |
| 548 | read_memory (memaddr + 1, x, 3, info); |
| 549 | int idx = x[0] << 16 | x[1] << 8 | x[2]; |
| 550 | |
| 551 | if (x[0] & 0x80) |
| 552 | { |
| 553 | /* Deal with negative values */ |
| 554 | idx -= 0x1UL << 24; |
| 555 | } |
| 556 | |
| 557 | (*info->fprintf_func) (info->stream, "[%d,%s]", idx, |
| 558 | xysp_from_postbyte (postbyte)); |
| 559 | break; |
| 560 | } |
| 561 | |
| 562 | case OPR_IDX_DIRECT: |
| 563 | { |
| 564 | uint8_t x1; |
| 565 | read_memory (memaddr + 1, &x1, 1, info); |
| 566 | int idx = x1; |
| 567 | |
| 568 | if (postbyte & 0x01) |
| 569 | { |
| 570 | /* Deal with negative values */ |
| 571 | idx -= 0x1UL << 8; |
| 572 | } |
| 573 | |
| 574 | (*info->fprintf_func) (info->stream, "(%d,%s)", idx, |
| 575 | xysp_from_postbyte (postbyte)); |
| 576 | break; |
| 577 | } |
| 578 | |
| 579 | case OPR_IDX2_REG: |
| 580 | { |
| 581 | uint8_t x[2]; |
| 582 | read_memory (memaddr + 1, x, 2, info); |
| 583 | uint32_t offset = x[1] | x[0] << 8 ; |
| 584 | offset |= (postbyte & 0x30) << 12; |
| 585 | |
| 586 | (*info->fprintf_func) (info->stream, "(%d,%s)", offset, |
| 587 | registers[postbyte & 0x07].name); |
| 588 | break; |
| 589 | } |
| 590 | |
| 591 | case OPR_XY_PRE_INC: |
| 592 | { |
| 593 | (*info->fprintf_func) (info->stream, "(+%s)", |
| 594 | (postbyte & 0x10) ? "y": "x"); |
| 595 | |
| 596 | break; |
| 597 | } |
| 598 | case OPR_XY_POST_INC: |
| 599 | { |
| 600 | (*info->fprintf_func) (info->stream, "(%s+)", |
| 601 | (postbyte & 0x10) ? "y": "x"); |
| 602 | |
| 603 | break; |
| 604 | } |
| 605 | case OPR_XY_PRE_DEC: |
| 606 | { |
| 607 | (*info->fprintf_func) (info->stream, "(-%s)", |
| 608 | (postbyte & 0x10) ? "y": "x"); |
| 609 | |
| 610 | break; |
| 611 | } |
| 612 | case OPR_XY_POST_DEC: |
| 613 | { |
| 614 | (*info->fprintf_func) (info->stream, "(%s-)", |
| 615 | (postbyte & 0x10) ? "y": "x"); |
| 616 | |
| 617 | break; |
| 618 | } |
| 619 | case OPR_S_PRE_DEC: |
| 620 | { |
| 621 | (*info->fprintf_func) (info->stream, "(-s)"); |
| 622 | break; |
| 623 | } |
| 624 | case OPR_S_POST_INC: |
| 625 | { |
| 626 | (*info->fprintf_func) (info->stream, "(s+)"); |
| 627 | break; |
| 628 | } |
| 629 | |
| 630 | case OPR_EXT18: |
| 631 | { |
| 632 | const size_t size = 2; |
| 633 | bfd_byte buffer[4]; |
| 634 | status = read_memory (memaddr + 1, buffer, size, info); |
| 635 | if (status < 0) |
| 636 | return; |
| 637 | |
| 638 | uint32_t ext18 = 0; |
| 639 | for (i = 0; i < size; ++i) |
| 640 | { |
| 641 | ext18 <<= 8; |
| 642 | ext18 |= buffer[i]; |
| 643 | } |
| 644 | |
| 645 | ext18 |= (postbyte & 0x01) << 16; |
| 646 | ext18 |= (postbyte & 0x04) << 15; |
| 647 | |
| 648 | decode_possible_symbol (ext18, info); |
| 649 | break; |
| 650 | } |
| 651 | |
| 652 | case OPR_EXT1: |
| 653 | { |
| 654 | uint8_t x1 = 0; |
| 655 | read_memory (memaddr + 1, &x1, 1, info); |
| 656 | int16_t addr; |
| 657 | addr = x1; |
| 658 | addr |= (postbyte & 0x3f) << 8; |
| 659 | |
| 660 | decode_possible_symbol (addr, info); |
| 661 | break; |
| 662 | } |
| 663 | |
| 664 | case OPR_EXT3_DIRECT: |
| 665 | { |
| 666 | const size_t size = 3; |
| 667 | bfd_byte buffer[4]; |
| 668 | status = read_memory (memaddr + 1, buffer, size, info); |
| 669 | if (status < 0) |
| 670 | return; |
| 671 | |
| 672 | uint32_t ext24 = 0; |
| 673 | for (i = 0; i < size; ++i) |
| 674 | { |
| 675 | ext24 |= buffer[i] << (8 * (size - i - 1)); |
| 676 | } |
| 677 | |
| 678 | decode_possible_symbol (ext24, info); |
| 679 | break; |
| 680 | } |
| 681 | |
| 682 | case OPR_EXT3_INDIRECT: |
| 683 | { |
| 684 | const size_t size = 3; |
| 685 | bfd_byte buffer[4]; |
| 686 | status = read_memory (memaddr + 1, buffer, size, info); |
| 687 | if (status < 0) |
| 688 | return; |
| 689 | |
| 690 | uint32_t ext24 = 0; |
| 691 | for (i = 0; i < size; ++i) |
| 692 | { |
| 693 | ext24 |= buffer[i] << (8 * (size - i - 1)); |
| 694 | } |
| 695 | |
| 696 | (*info->fprintf_func) (info->stream, "[%d]", ext24); |
| 697 | |
| 698 | break; |
| 699 | } |
| 700 | |
| 701 | default: |
| 702 | (*info->fprintf_func) (info->stream, "Unknown OPR mode #0x%x (%d)", postbyte, mode); |
| 703 | } |
| 704 | } |
| 705 | |
| 706 | |
| 707 | static void |
| 708 | opr_decode2 (bfd_vma memaddr, struct disassemble_info* info) |
| 709 | { |
| 710 | int n = opr_n_bytes (memaddr, info); |
| 711 | opr_decode (memaddr, info); |
| 712 | opr_decode (memaddr + n, info); |
| 713 | } |
| 714 | |
| 715 | static void |
| 716 | imm1234 (bfd_vma memaddr, struct disassemble_info* info, int base) |
| 717 | { |
| 718 | bfd_byte opcode; |
| 719 | int status = read_memory (memaddr - 1, &opcode, 1, info); |
| 720 | if (status < 0) |
| 721 | return; |
| 722 | |
| 723 | opcode -= base; |
| 724 | |
| 725 | int size = registers[opcode & 0xF].bytes; |
| 726 | |
| 727 | uint32_t imm = decode_signed_value (memaddr, info, size); |
| 728 | operand_separator (info); |
| 729 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 730 | } |
| 731 | |
| 732 | |
| 733 | /* Special case of LD and CMP with register S and IMM operand */ |
| 734 | static void |
| 735 | reg_s_imm (bfd_vma memaddr, struct disassemble_info* info) |
| 736 | { |
| 737 | operand_separator (info); |
| 738 | (*info->fprintf_func) (info->stream, "s"); |
| 739 | |
| 740 | uint32_t imm = decode_signed_value (memaddr, info, 3); |
| 741 | operand_separator (info); |
| 742 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 743 | } |
| 744 | |
| 745 | /* Special case of LD, CMP and ST with register S and OPR operand */ |
| 746 | static void |
| 747 | reg_s_opr (bfd_vma memaddr, struct disassemble_info* info) |
| 748 | { |
| 749 | operand_separator (info); |
| 750 | (*info->fprintf_func) (info->stream, "s"); |
| 751 | |
| 752 | opr_decode (memaddr, info); |
| 753 | } |
| 754 | |
| 755 | static void |
| 756 | imm1234_8base (bfd_vma memaddr, struct disassemble_info* info) |
| 757 | { |
| 758 | imm1234 (memaddr, info, 8); |
| 759 | } |
| 760 | |
| 761 | static void |
| 762 | imm1234_0base (bfd_vma memaddr, struct disassemble_info* info) |
| 763 | { |
| 764 | imm1234 (memaddr, info, 0); |
| 765 | } |
| 766 | |
| 767 | static void |
| 768 | tfr (bfd_vma memaddr, struct disassemble_info* info) |
| 769 | { |
| 770 | bfd_byte byte; |
| 771 | int status = read_memory (memaddr, &byte, 1, info); |
| 772 | if (status < 0) |
| 773 | return; |
| 774 | |
| 775 | operand_separator (info); |
| 776 | (*info->fprintf_func) (info->stream, "%s, %s", |
| 777 | registers[byte >> 4].name, |
| 778 | registers[byte & 0xF].name); |
| 779 | } |
| 780 | |
| 781 | |
| 782 | static void |
| 783 | reg (bfd_vma memaddr, struct disassemble_info* info) |
| 784 | { |
| 785 | bfd_byte byte; |
| 786 | int status = read_memory (memaddr - 1, &byte, 1, info); |
| 787 | if (status < 0) |
| 788 | return; |
| 789 | |
| 790 | operand_separator (info); |
| 791 | (*info->fprintf_func) (info->stream, "%s", registers[byte & 0x07].name); |
| 792 | } |
| 793 | |
| 794 | static void |
| 795 | reg_xy (bfd_vma memaddr, struct disassemble_info* info) |
| 796 | { |
| 797 | bfd_byte byte; |
| 798 | int status = read_memory (memaddr - 1, &byte, 1, info); |
| 799 | if (status < 0) |
| 800 | return; |
| 801 | |
| 802 | operand_separator (info); |
| 803 | (*info->fprintf_func) (info->stream, "%s", (byte & 0x01) ? "y" : "x"); |
| 804 | } |
| 805 | |
| 806 | static void |
| 807 | lea_reg_xys_opr (bfd_vma memaddr, struct disassemble_info* info) |
| 808 | { |
| 809 | bfd_byte byte; |
| 810 | int status = read_memory (memaddr - 1, &byte, 1, info); |
| 811 | if (status < 0) |
| 812 | return; |
| 813 | |
| 814 | char *reg = NULL; |
| 815 | switch (byte & 0x03) |
| 816 | { |
| 817 | case 0x00: |
| 818 | reg = "x"; |
| 819 | break; |
| 820 | case 0x01: |
| 821 | reg = "y"; |
| 822 | break; |
| 823 | case 0x02: |
| 824 | reg = "s"; |
| 825 | break; |
| 826 | } |
| 827 | |
| 828 | operand_separator (info); |
| 829 | (*info->fprintf_func) (info->stream, "%s", reg); |
| 830 | opr_decode (memaddr, info); |
| 831 | } |
| 832 | |
| 833 | |
| 834 | |
| 835 | static void |
| 836 | lea_reg_xys (bfd_vma memaddr, struct disassemble_info* info) |
| 837 | { |
| 838 | bfd_byte byte; |
| 839 | int status = read_memory (memaddr - 1, &byte, 1, info); |
| 840 | if (status < 0) |
| 841 | return; |
| 842 | |
| 843 | char *reg = NULL; |
| 844 | switch (byte & 0x03) |
| 845 | { |
| 846 | case 0x00: |
| 847 | reg = "x"; |
| 848 | break; |
| 849 | case 0x01: |
| 850 | reg = "y"; |
| 851 | break; |
| 852 | case 0x02: |
| 853 | reg = "s"; |
| 854 | break; |
| 855 | } |
| 856 | |
| 857 | status = read_memory (memaddr, &byte, 1, info); |
| 858 | if (status < 0) |
| 859 | return; |
| 860 | |
| 861 | int8_t v = byte; |
| 862 | |
| 863 | operand_separator (info); |
| 864 | (*info->fprintf_func) (info->stream, "%s, (%d,%s)", reg, v, reg); |
| 865 | } |
| 866 | |
| 867 | |
| 868 | /* PC Relative offsets of size 15 or 7 bits */ |
| 869 | static void |
| 870 | rel_15_7 (bfd_vma memaddr, struct disassemble_info* info, int offset) |
| 871 | { |
| 872 | bfd_byte upper; |
| 873 | int status = read_memory (memaddr, &upper, 1, info); |
| 874 | if (status < 0) |
| 875 | return; |
| 876 | |
| 877 | bool rel_size = (upper & 0x80); |
| 878 | |
| 879 | int16_t addr = upper; |
| 880 | if (rel_size) |
| 881 | { |
| 882 | /* 15 bits. Get the next byte */ |
| 883 | bfd_byte lower; |
| 884 | status = read_memory (memaddr + 1, &lower, 1, info); |
| 885 | if (status < 0) |
| 886 | return; |
| 887 | |
| 888 | addr <<= 8; |
| 889 | addr |= lower; |
| 890 | addr &= 0x7FFF; |
| 891 | |
| 892 | bool negative = (addr & 0x4000); |
| 893 | addr &= 0x3FFF; |
| 894 | if (negative) |
| 895 | addr = addr - 0x4000; |
| 896 | } |
| 897 | else |
| 898 | { |
| 899 | /* 7 bits. */ |
| 900 | bool negative = (addr & 0x40); |
| 901 | addr &= 0x3F; |
| 902 | if (negative) |
| 903 | addr = addr - 0x40; |
| 904 | } |
| 905 | |
| 906 | operand_separator (info); |
| 907 | if (!info->symbol_at_address_func (addr + memaddr - offset, info)) |
| 908 | { |
| 909 | (*info->fprintf_func) (info->stream, "*%+d", addr); |
| 910 | } |
| 911 | else |
| 912 | { |
| 913 | asymbol *sym = NULL; |
| 914 | int i; |
| 915 | for (i = 0; i < info->symtab_size; ++i) |
| 916 | { |
| 917 | sym = info->symtab[i]; |
| 918 | if (bfd_asymbol_value (sym) == addr + memaddr - offset) |
| 919 | { |
| 920 | break; |
| 921 | } |
| 922 | } |
| 923 | if (i < info->symtab_size) |
| 924 | (*info->fprintf_func) (info->stream, "%s", bfd_asymbol_name (sym)); |
| 925 | } |
| 926 | } |
| 927 | |
| 928 | |
| 929 | /* PC Relative offsets of size 15 or 7 bits */ |
| 930 | static void |
| 931 | decode_rel_15_7 (bfd_vma memaddr, struct disassemble_info* info) |
| 932 | { |
| 933 | rel_15_7 (memaddr, info, 1); |
| 934 | } |
| 935 | |
| 936 | struct opcode |
| 937 | { |
| 938 | const char *mnemonic; |
| 939 | insn_bytes_f insn_bytes; |
| 940 | operands_f operands; |
| 941 | operands_f operands2; |
| 942 | }; |
| 943 | |
| 944 | static int shift_n_bytes (bfd_vma memaddr, struct disassemble_info* info); |
| 945 | static int mov_imm_opr_n_bytes (bfd_vma memaddr, struct disassemble_info* info); |
| 946 | static int loop_prim_n_bytes (bfd_vma memaddr, struct disassemble_info* info); |
| 947 | static void mov_imm_opr (bfd_vma memaddr, struct disassemble_info* info); |
| 948 | static void bm_rel_decode (bfd_vma memaddr, struct disassemble_info* info); |
| 949 | static int bm_rel_n_bytes (bfd_vma memaddr, struct disassemble_info* info); |
| 950 | static int mul_n_bytes (bfd_vma memaddr, struct disassemble_info* info); |
| 951 | static void mul_decode (bfd_vma memaddr, struct disassemble_info* info); |
| 952 | static int bm_n_bytes (bfd_vma memaddr, struct disassemble_info* info); |
| 953 | static void bm_decode (bfd_vma memaddr, struct disassemble_info* info); |
| 954 | |
| 955 | static void |
| 956 | cmp_xy (bfd_vma memaddr ATTRIBUTE_UNUSED, struct disassemble_info* info) |
| 957 | { |
| 958 | operand_separator (info); |
| 959 | (*info->fprintf_func) (info->stream, "x, y"); |
| 960 | } |
| 961 | |
| 962 | static void |
| 963 | sub_d6_x_y (bfd_vma memaddr ATTRIBUTE_UNUSED, struct disassemble_info* info) |
| 964 | { |
| 965 | operand_separator (info); |
| 966 | (*info->fprintf_func) (info->stream, "d6, x, y"); |
| 967 | } |
| 968 | |
| 969 | static void |
| 970 | sub_d6_y_x (bfd_vma memaddr ATTRIBUTE_UNUSED, struct disassemble_info* info) |
| 971 | { |
| 972 | operand_separator (info); |
| 973 | (*info->fprintf_func) (info->stream, "d6, y, x"); |
| 974 | } |
| 975 | |
| 976 | static const char shift_size_table[] = { |
| 977 | 'b', 'w', 'p', 'l' |
| 978 | }; |
| 979 | |
| 980 | static const struct opcode page2[] = |
| 981 | { |
| 982 | [0x00] = {"ld", opr_n_bytes_p1, 0, reg_s_opr}, |
| 983 | [0x01] = {"st", opr_n_bytes_p1, 0, reg_s_opr}, |
| 984 | [0x02] = {"cmp", opr_n_bytes_p1, 0, reg_s_opr}, |
| 985 | [0x03] = {"ld", four, 0, reg_s_imm}, |
| 986 | [0x04] = {"cmp", four, 0, reg_s_imm}, |
| 987 | [0x05] = {"stop", single, 0, 0}, |
| 988 | [0x06] = {"wai", single, 0, 0}, |
| 989 | [0x07] = {"sys", single, 0, 0}, |
| 990 | [0x08] = {NULL, bfextins_n_bytes, 0, 0}, /* BFEXT / BFINS */ |
| 991 | [0x09] = {NULL, bfextins_n_bytes, 0, 0}, |
| 992 | [0x0a] = {NULL, bfextins_n_bytes, 0, 0}, |
| 993 | [0x0b] = {NULL, bfextins_n_bytes, 0, 0}, |
| 994 | [0x0c] = {NULL, bfextins_n_bytes, 0, 0}, |
| 995 | [0x0d] = {NULL, bfextins_n_bytes, 0, 0}, |
| 996 | [0x0e] = {NULL, bfextins_n_bytes, 0, 0}, |
| 997 | [0x0f] = {NULL, bfextins_n_bytes, 0, 0}, |
| 998 | [0x10] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 999 | [0x11] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1000 | [0x12] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1001 | [0x13] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1002 | [0x14] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1003 | [0x15] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1004 | [0x16] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1005 | [0x17] = {"minu", opr_n_bytes_p1, reg, opr_decode}, |
| 1006 | [0x18] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1007 | [0x19] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1008 | [0x1a] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1009 | [0x1b] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1010 | [0x1c] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1011 | [0x1d] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1012 | [0x1e] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1013 | [0x1f] = {"maxu", opr_n_bytes_p1, reg, opr_decode}, |
| 1014 | [0x20] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1015 | [0x21] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1016 | [0x22] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1017 | [0x23] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1018 | [0x24] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1019 | [0x25] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1020 | [0x26] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1021 | [0x27] = {"mins", opr_n_bytes_p1, reg, opr_decode}, |
| 1022 | [0x28] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1023 | [0x29] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1024 | [0x2a] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1025 | [0x2b] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1026 | [0x2c] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1027 | [0x2d] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1028 | [0x2e] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1029 | [0x2f] = {"maxs", opr_n_bytes_p1, reg, opr_decode}, |
| 1030 | [0x30] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1031 | [0x31] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1032 | [0x32] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1033 | [0x33] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1034 | [0x34] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1035 | [0x35] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1036 | [0x36] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1037 | [0x37] = {"div", mul_n_bytes, mul_decode, 0}, |
| 1038 | [0x38] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1039 | [0x39] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1040 | [0x3a] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1041 | [0x3b] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1042 | [0x3c] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1043 | [0x3d] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1044 | [0x3e] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1045 | [0x3f] = {"mod", mul_n_bytes, mul_decode, 0}, |
| 1046 | [0x40] = {"abs", single, reg, 0}, |
| 1047 | [0x41] = {"abs", single, reg, 0}, |
| 1048 | [0x42] = {"abs", single, reg, 0}, |
| 1049 | [0x43] = {"abs", single, reg, 0}, |
| 1050 | [0x44] = {"abs", single, reg, 0}, |
| 1051 | [0x45] = {"abs", single, reg, 0}, |
| 1052 | [0x46] = {"abs", single, reg, 0}, |
| 1053 | [0x47] = {"abs", single, reg, 0}, |
| 1054 | [0x48] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1055 | [0x49] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1056 | [0x4a] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1057 | [0x4b] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1058 | [0x4c] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1059 | [0x4d] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1060 | [0x4e] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1061 | [0x4f] = {"mac", mul_n_bytes, mul_decode, 0}, |
| 1062 | [0x50] = {"adc", three, reg, imm1234_0base}, |
| 1063 | [0x51] = {"adc", three, reg, imm1234_0base}, |
| 1064 | [0x52] = {"adc", three, reg, imm1234_0base}, |
| 1065 | [0x53] = {"adc", three, reg, imm1234_0base}, |
| 1066 | [0x54] = {"adc", two, reg, imm1234_0base}, |
| 1067 | [0x55] = {"adc", two, reg, imm1234_0base}, |
| 1068 | [0x56] = {"adc", five, reg, imm1234_0base}, |
| 1069 | [0x57] = {"adc", five, reg, imm1234_0base}, |
| 1070 | [0x58] = {"bit", three, reg, imm1234_8base}, |
| 1071 | [0x59] = {"bit", three, reg, imm1234_8base}, |
| 1072 | [0x5a] = {"bit", three, reg, imm1234_8base}, |
| 1073 | [0x5b] = {"bit", three, reg, imm1234_8base}, |
| 1074 | [0x5c] = {"bit", two, reg, imm1234_8base}, |
| 1075 | [0x5d] = {"bit", two, reg, imm1234_8base}, |
| 1076 | [0x5e] = {"bit", five, reg, imm1234_8base}, |
| 1077 | [0x5f] = {"bit", five, reg, imm1234_8base}, |
| 1078 | [0x60] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1079 | [0x61] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1080 | [0x62] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1081 | [0x63] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1082 | [0x64] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1083 | [0x65] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1084 | [0x66] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1085 | [0x67] = {"adc", opr_n_bytes_p1, reg, opr_decode}, |
| 1086 | [0x68] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1087 | [0x69] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1088 | [0x6a] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1089 | [0x6b] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1090 | [0x6c] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1091 | [0x6d] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1092 | [0x6e] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1093 | [0x6f] = {"bit", opr_n_bytes_p1, reg, opr_decode}, |
| 1094 | [0x70] = {"sbc", three, reg, imm1234_0base}, |
| 1095 | [0x71] = {"sbc", three, reg, imm1234_0base}, |
| 1096 | [0x72] = {"sbc", three, reg, imm1234_0base}, |
| 1097 | [0x73] = {"sbc", three, reg, imm1234_0base}, |
| 1098 | [0x74] = {"sbc", two, reg, imm1234_0base}, |
| 1099 | [0x75] = {"sbc", two, reg, imm1234_0base}, |
| 1100 | [0x76] = {"sbc", five, reg, imm1234_0base}, |
| 1101 | [0x77] = {"sbc", five, reg, imm1234_0base}, |
| 1102 | [0x78] = {"eor", three, reg, imm1234_8base}, |
| 1103 | [0x79] = {"eor", three, reg, imm1234_8base}, |
| 1104 | [0x7a] = {"eor", three, reg, imm1234_8base}, |
| 1105 | [0x7b] = {"eor", three, reg, imm1234_8base}, |
| 1106 | [0x7c] = {"eor", two, reg, imm1234_8base}, |
| 1107 | [0x7d] = {"eor", two, reg, imm1234_8base}, |
| 1108 | [0x7e] = {"eor", five, reg, imm1234_8base}, |
| 1109 | [0x7f] = {"eor", five, reg, imm1234_8base}, |
| 1110 | [0x80] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1111 | [0x81] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1112 | [0x82] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1113 | [0x83] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1114 | [0x84] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1115 | [0x85] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1116 | [0x86] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1117 | [0x87] = {"sbc", opr_n_bytes_p1, reg, opr_decode}, |
| 1118 | [0x88] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1119 | [0x89] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1120 | [0x8a] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1121 | [0x8b] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1122 | [0x8c] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1123 | [0x8d] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1124 | [0x8e] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1125 | [0x8f] = {"eor", opr_n_bytes_p1, reg, opr_decode}, |
| 1126 | [0x90] = {"rti", single, 0, 0}, |
| 1127 | [0x91] = {"clb", two, tfr, 0}, |
| 1128 | [0x92] = {"trap", single, trap_decode, 0}, |
| 1129 | [0x93] = {"trap", single, trap_decode, 0}, |
| 1130 | [0x94] = {"trap", single, trap_decode, 0}, |
| 1131 | [0x95] = {"trap", single, trap_decode, 0}, |
| 1132 | [0x96] = {"trap", single, trap_decode, 0}, |
| 1133 | [0x97] = {"trap", single, trap_decode, 0}, |
| 1134 | [0x98] = {"trap", single, trap_decode, 0}, |
| 1135 | [0x99] = {"trap", single, trap_decode, 0}, |
| 1136 | [0x9a] = {"trap", single, trap_decode, 0}, |
| 1137 | [0x9b] = {"trap", single, trap_decode, 0}, |
| 1138 | [0x9c] = {"trap", single, trap_decode, 0}, |
| 1139 | [0x9d] = {"trap", single, trap_decode, 0}, |
| 1140 | [0x9e] = {"trap", single, trap_decode, 0}, |
| 1141 | [0x9f] = {"trap", single, trap_decode, 0}, |
| 1142 | [0xa0] = {"sat", single, reg, 0}, |
| 1143 | [0xa1] = {"sat", single, reg, 0}, |
| 1144 | [0xa2] = {"sat", single, reg, 0}, |
| 1145 | [0xa3] = {"sat", single, reg, 0}, |
| 1146 | [0xa4] = {"sat", single, reg, 0}, |
| 1147 | [0xa5] = {"sat", single, reg, 0}, |
| 1148 | [0xa6] = {"sat", single, reg, 0}, |
| 1149 | [0xa7] = {"sat", single, reg, 0}, |
| 1150 | [0xa8] = {"trap", single, trap_decode, 0}, |
| 1151 | [0xa9] = {"trap", single, trap_decode, 0}, |
| 1152 | [0xaa] = {"trap", single, trap_decode, 0}, |
| 1153 | [0xab] = {"trap", single, trap_decode, 0}, |
| 1154 | [0xac] = {"trap", single, trap_decode, 0}, |
| 1155 | [0xad] = {"trap", single, trap_decode, 0}, |
| 1156 | [0xae] = {"trap", single, trap_decode, 0}, |
| 1157 | [0xaf] = {"trap", single, trap_decode, 0}, |
| 1158 | [0xb0] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1159 | [0xb1] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1160 | [0xb2] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1161 | [0xb3] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1162 | [0xb4] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1163 | [0xb5] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1164 | [0xb6] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1165 | [0xb7] = {"qmul", mul_n_bytes, mul_decode, 0}, |
| 1166 | [0xb8] = {"trap", single, trap_decode, 0}, |
| 1167 | [0xb9] = {"trap", single, trap_decode, 0}, |
| 1168 | [0xba] = {"trap", single, trap_decode, 0}, |
| 1169 | [0xbb] = {"trap", single, trap_decode, 0}, |
| 1170 | [0xbc] = {"trap", single, trap_decode, 0}, |
| 1171 | [0xbd] = {"trap", single, trap_decode, 0}, |
| 1172 | [0xbe] = {"trap", single, trap_decode, 0}, |
| 1173 | [0xbf] = {"trap", single, trap_decode, 0}, |
| 1174 | [0xc0] = {"trap", single, trap_decode, 0}, |
| 1175 | [0xc1] = {"trap", single, trap_decode, 0}, |
| 1176 | [0xc2] = {"trap", single, trap_decode, 0}, |
| 1177 | [0xc3] = {"trap", single, trap_decode, 0}, |
| 1178 | [0xc4] = {"trap", single, trap_decode, 0}, |
| 1179 | [0xc5] = {"trap", single, trap_decode, 0}, |
| 1180 | [0xc6] = {"trap", single, trap_decode, 0}, |
| 1181 | [0xc7] = {"trap", single, trap_decode, 0}, |
| 1182 | [0xc8] = {"trap", single, trap_decode, 0}, |
| 1183 | [0xc9] = {"trap", single, trap_decode, 0}, |
| 1184 | [0xca] = {"trap", single, trap_decode, 0}, |
| 1185 | [0xcb] = {"trap", single, trap_decode, 0}, |
| 1186 | [0xcc] = {"trap", single, trap_decode, 0}, |
| 1187 | [0xcd] = {"trap", single, trap_decode, 0}, |
| 1188 | [0xce] = {"trap", single, trap_decode, 0}, |
| 1189 | [0xcf] = {"trap", single, trap_decode, 0}, |
| 1190 | [0xd0] = {"trap", single, trap_decode, 0}, |
| 1191 | [0xd1] = {"trap", single, trap_decode, 0}, |
| 1192 | [0xd2] = {"trap", single, trap_decode, 0}, |
| 1193 | [0xd3] = {"trap", single, trap_decode, 0}, |
| 1194 | [0xd4] = {"trap", single, trap_decode, 0}, |
| 1195 | [0xd5] = {"trap", single, trap_decode, 0}, |
| 1196 | [0xd6] = {"trap", single, trap_decode, 0}, |
| 1197 | [0xd7] = {"trap", single, trap_decode, 0}, |
| 1198 | [0xd8] = {"trap", single, trap_decode, 0}, |
| 1199 | [0xd9] = {"trap", single, trap_decode, 0}, |
| 1200 | [0xda] = {"trap", single, trap_decode, 0}, |
| 1201 | [0xdb] = {"trap", single, trap_decode, 0}, |
| 1202 | [0xdc] = {"trap", single, trap_decode, 0}, |
| 1203 | [0xdd] = {"trap", single, trap_decode, 0}, |
| 1204 | [0xde] = {"trap", single, trap_decode, 0}, |
| 1205 | [0xdf] = {"trap", single, trap_decode, 0}, |
| 1206 | [0xe0] = {"trap", single, trap_decode, 0}, |
| 1207 | [0xe1] = {"trap", single, trap_decode, 0}, |
| 1208 | [0xe2] = {"trap", single, trap_decode, 0}, |
| 1209 | [0xe3] = {"trap", single, trap_decode, 0}, |
| 1210 | [0xe4] = {"trap", single, trap_decode, 0}, |
| 1211 | [0xe5] = {"trap", single, trap_decode, 0}, |
| 1212 | [0xe6] = {"trap", single, trap_decode, 0}, |
| 1213 | [0xe7] = {"trap", single, trap_decode, 0}, |
| 1214 | [0xe8] = {"trap", single, trap_decode, 0}, |
| 1215 | [0xe9] = {"trap", single, trap_decode, 0}, |
| 1216 | [0xea] = {"trap", single, trap_decode, 0}, |
| 1217 | [0xeb] = {"trap", single, trap_decode, 0}, |
| 1218 | [0xec] = {"trap", single, trap_decode, 0}, |
| 1219 | [0xed] = {"trap", single, trap_decode, 0}, |
| 1220 | [0xee] = {"trap", single, trap_decode, 0}, |
| 1221 | [0xef] = {"trap", single, trap_decode, 0}, |
| 1222 | [0xf0] = {"trap", single, trap_decode, 0}, |
| 1223 | [0xf1] = {"trap", single, trap_decode, 0}, |
| 1224 | [0xf2] = {"trap", single, trap_decode, 0}, |
| 1225 | [0xf3] = {"trap", single, trap_decode, 0}, |
| 1226 | [0xf4] = {"trap", single, trap_decode, 0}, |
| 1227 | [0xf5] = {"trap", single, trap_decode, 0}, |
| 1228 | [0xf6] = {"trap", single, trap_decode, 0}, |
| 1229 | [0xf7] = {"trap", single, trap_decode, 0}, |
| 1230 | [0xf8] = {"trap", single, trap_decode, 0}, |
| 1231 | [0xf9] = {"trap", single, trap_decode, 0}, |
| 1232 | [0xfa] = {"trap", single, trap_decode, 0}, |
| 1233 | [0xfb] = {"trap", single, trap_decode, 0}, |
| 1234 | [0xfc] = {"trap", single, trap_decode, 0}, |
| 1235 | [0xfd] = {"trap", single, trap_decode, 0}, |
| 1236 | [0xfe] = {"trap", single, trap_decode, 0}, |
| 1237 | [0xff] = {"trap", single, trap_decode, 0}, |
| 1238 | }; |
| 1239 | |
| 1240 | static const struct opcode page1[] = |
| 1241 | { |
| 1242 | [0x00] = {"bgnd", single, 0, 0}, |
| 1243 | [0x01] = {"nop", single, 0, 0}, |
| 1244 | [0x02] = {"brclr", bm_rel_n_bytes, bm_rel_decode, 0}, |
| 1245 | [0x03] = {"brset", bm_rel_n_bytes, bm_rel_decode, 0}, |
| 1246 | [0x04] = {NULL, two, 0, 0}, /* psh/pul */ |
| 1247 | [0x05] = {"rts", single, 0, 0}, |
| 1248 | [0x06] = {"lea", opr_n_bytes_p1, reg, opr_decode}, |
| 1249 | [0x07] = {"lea", opr_n_bytes_p1, reg, opr_decode}, |
| 1250 | [0x08] = {"lea", opr_n_bytes_p1, lea_reg_xys_opr, 0}, |
| 1251 | [0x09] = {"lea", opr_n_bytes_p1, lea_reg_xys_opr, 0}, |
| 1252 | [0x0a] = {"lea", opr_n_bytes_p1, lea_reg_xys_opr, 0}, |
| 1253 | [0x0b] = {NULL, loop_prim_n_bytes, 0, 0}, /* Loop primitives TBcc / DBcc */ |
| 1254 | [0x0c] = {"mov.b", mov_imm_opr_n_bytes, mov_imm_opr, 0}, |
| 1255 | [0x0d] = {"mov.w", mov_imm_opr_n_bytes, mov_imm_opr, 0}, |
| 1256 | [0x0e] = {"mov.p", mov_imm_opr_n_bytes, mov_imm_opr, 0}, |
| 1257 | [0x0f] = {"mov.l", mov_imm_opr_n_bytes, mov_imm_opr, 0}, |
| 1258 | [0x10] = {NULL, shift_n_bytes, 0, 0}, /* lsr/lsl/asl/asr/rol/ror */ |
| 1259 | [0x11] = {NULL, shift_n_bytes, 0, 0}, |
| 1260 | [0x12] = {NULL, shift_n_bytes, 0, 0}, |
| 1261 | [0x13] = {NULL, shift_n_bytes, 0, 0}, |
| 1262 | [0x14] = {NULL, shift_n_bytes, 0, 0}, |
| 1263 | [0x15] = {NULL, shift_n_bytes, 0, 0}, |
| 1264 | [0x16] = {NULL, shift_n_bytes, 0, 0}, |
| 1265 | [0x17] = {NULL, shift_n_bytes, 0, 0}, |
| 1266 | [0x18] = {"lea", two, lea_reg_xys, NULL}, |
| 1267 | [0x19] = {"lea", two, lea_reg_xys, NULL}, |
| 1268 | [0x1a] = {"lea", two, lea_reg_xys, NULL}, |
| 1269 | /* 0x1b PG2 */ |
| 1270 | [0x1c] = {"mov.b", opr_n_bytes2, 0, opr_decode2}, |
| 1271 | [0x1d] = {"mov.w", opr_n_bytes2, 0, opr_decode2}, |
| 1272 | [0x1e] = {"mov.p", opr_n_bytes2, 0, opr_decode2}, |
| 1273 | [0x1f] = {"mov.l", opr_n_bytes2, 0, opr_decode2}, |
| 1274 | [0x20] = {"bra", pcrel_15bit, decode_rel_15_7, 0}, |
| 1275 | [0x21] = {"bsr", pcrel_15bit, decode_rel_15_7, 0}, |
| 1276 | [0x22] = {"bhi", pcrel_15bit, decode_rel_15_7, 0}, |
| 1277 | [0x23] = {"bls", pcrel_15bit, decode_rel_15_7, 0}, |
| 1278 | [0x24] = {"bcc", pcrel_15bit, decode_rel_15_7, 0}, |
| 1279 | [0x25] = {"bcs", pcrel_15bit, decode_rel_15_7, 0}, |
| 1280 | [0x26] = {"bne", pcrel_15bit, decode_rel_15_7, 0}, |
| 1281 | [0x27] = {"beq", pcrel_15bit, decode_rel_15_7, 0}, |
| 1282 | [0x28] = {"bvc", pcrel_15bit, decode_rel_15_7, 0}, |
| 1283 | [0x29] = {"bvs", pcrel_15bit, decode_rel_15_7, 0}, |
| 1284 | [0x2a] = {"bpl", pcrel_15bit, decode_rel_15_7, 0}, |
| 1285 | [0x2b] = {"bmi", pcrel_15bit, decode_rel_15_7, 0}, |
| 1286 | [0x2c] = {"bge", pcrel_15bit, decode_rel_15_7, 0}, |
| 1287 | [0x2d] = {"blt", pcrel_15bit, decode_rel_15_7, 0}, |
| 1288 | [0x2e] = {"bgt", pcrel_15bit, decode_rel_15_7, 0}, |
| 1289 | [0x2f] = {"ble", pcrel_15bit, decode_rel_15_7, 0}, |
| 1290 | [0x30] = {"inc", single, reg, 0}, |
| 1291 | [0x31] = {"inc", single, reg, 0}, |
| 1292 | [0x32] = {"inc", single, reg, 0}, |
| 1293 | [0x33] = {"inc", single, reg, 0}, |
| 1294 | [0x34] = {"inc", single, reg, 0}, |
| 1295 | [0x35] = {"inc", single, reg, 0}, |
| 1296 | [0x36] = {"inc", single, reg, 0}, |
| 1297 | [0x37] = {"inc", single, reg, 0}, |
| 1298 | [0x38] = {"clr", single, reg, 0}, |
| 1299 | [0x39] = {"clr", single, reg, 0}, |
| 1300 | [0x3a] = {"clr", single, reg, 0}, |
| 1301 | [0x3b] = {"clr", single, reg, 0}, |
| 1302 | [0x3c] = {"clr", single, reg, 0}, |
| 1303 | [0x3d] = {"clr", single, reg, 0}, |
| 1304 | [0x3e] = {"clr", single, reg, 0}, |
| 1305 | [0x3f] = {"clr", single, reg, 0}, |
| 1306 | [0x40] = {"dec", single, reg, 0}, |
| 1307 | [0x41] = {"dec", single, reg, 0}, |
| 1308 | [0x42] = {"dec", single, reg, 0}, |
| 1309 | [0x43] = {"dec", single, reg, 0}, |
| 1310 | [0x44] = {"dec", single, reg, 0}, |
| 1311 | [0x45] = {"dec", single, reg, 0}, |
| 1312 | [0x46] = {"dec", single, reg, 0}, |
| 1313 | [0x47] = {"dec", single, reg, 0}, |
| 1314 | [0x48] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1315 | [0x49] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1316 | [0x4a] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1317 | [0x4b] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1318 | [0x4c] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1319 | [0x4d] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1320 | [0x4e] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1321 | [0x4f] = {"mul", mul_n_bytes, mul_decode, 0}, |
| 1322 | [0x50] = {"add", three, reg, imm1234_0base}, |
| 1323 | [0x51] = {"add", three, reg, imm1234_0base}, |
| 1324 | [0x52] = {"add", three, reg, imm1234_0base}, |
| 1325 | [0x53] = {"add", three, reg, imm1234_0base}, |
| 1326 | [0x54] = {"add", two, reg, imm1234_0base}, |
| 1327 | [0x55] = {"add", two, reg, imm1234_0base}, |
| 1328 | [0x56] = {"add", five, reg, imm1234_0base}, |
| 1329 | [0x57] = {"add", five, reg, imm1234_0base}, |
| 1330 | [0x58] = {"and", three, reg, imm1234_8base}, |
| 1331 | [0x59] = {"and", three, reg, imm1234_8base}, |
| 1332 | [0x5a] = {"and", three, reg, imm1234_8base}, |
| 1333 | [0x5b] = {"and", three, reg, imm1234_8base}, |
| 1334 | [0x5c] = {"and", two, reg, imm1234_8base}, |
| 1335 | [0x5d] = {"and", two, reg, imm1234_8base}, |
| 1336 | [0x5e] = {"and", five, reg, imm1234_8base}, |
| 1337 | [0x5f] = {"and", five, reg, imm1234_8base}, |
| 1338 | [0x60] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1339 | [0x61] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1340 | [0x62] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1341 | [0x63] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1342 | [0x64] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1343 | [0x65] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1344 | [0x66] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1345 | [0x67] = {"add", opr_n_bytes_p1, reg, opr_decode}, |
| 1346 | [0x68] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1347 | [0x69] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1348 | [0x6a] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1349 | [0x6b] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1350 | [0x6c] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1351 | [0x6d] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1352 | [0x6e] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1353 | [0x6f] = {"and", opr_n_bytes_p1, reg, opr_decode}, |
| 1354 | [0x70] = {"sub", three, reg, imm1234_0base}, |
| 1355 | [0x71] = {"sub", three, reg, imm1234_0base}, |
| 1356 | [0x72] = {"sub", three, reg, imm1234_0base}, |
| 1357 | [0x73] = {"sub", three, reg, imm1234_0base}, |
| 1358 | [0x74] = {"sub", two, reg, imm1234_0base}, |
| 1359 | [0x75] = {"sub", two, reg, imm1234_0base}, |
| 1360 | [0x76] = {"sub", five, reg, imm1234_0base}, |
| 1361 | [0x77] = {"sub", five, reg, imm1234_0base}, |
| 1362 | [0x78] = {"or", three, reg, imm1234_8base}, |
| 1363 | [0x79] = {"or", three, reg, imm1234_8base}, |
| 1364 | [0x7a] = {"or", three, reg, imm1234_8base}, |
| 1365 | [0x7b] = {"or", three, reg, imm1234_8base}, |
| 1366 | [0x7c] = {"or", two, reg, imm1234_8base}, |
| 1367 | [0x7d] = {"or", two, reg, imm1234_8base}, |
| 1368 | [0x7e] = {"or", five, reg, imm1234_8base}, |
| 1369 | [0x7f] = {"or", five, reg, imm1234_8base}, |
| 1370 | [0x80] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1371 | [0x81] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1372 | [0x82] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1373 | [0x83] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1374 | [0x84] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1375 | [0x85] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1376 | [0x86] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1377 | [0x87] = {"sub", opr_n_bytes_p1, reg, opr_decode}, |
| 1378 | [0x88] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1379 | [0x89] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1380 | [0x8a] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1381 | [0x8b] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1382 | [0x8c] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1383 | [0x8d] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1384 | [0x8e] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1385 | [0x8f] = {"or", opr_n_bytes_p1, reg, opr_decode}, |
| 1386 | [0x90] = {"ld", three, reg, imm1234_0base}, |
| 1387 | [0x91] = {"ld", three, reg, imm1234_0base}, |
| 1388 | [0x92] = {"ld", three, reg, imm1234_0base}, |
| 1389 | [0x93] = {"ld", three, reg, imm1234_0base}, |
| 1390 | [0x94] = {"ld", two, reg, imm1234_0base}, |
| 1391 | [0x95] = {"ld", two, reg, imm1234_0base}, |
| 1392 | [0x96] = {"ld", five, reg, imm1234_0base}, |
| 1393 | [0x97] = {"ld", five, reg, imm1234_0base}, |
| 1394 | [0x98] = {"ld", four, reg_xy, imm1234_0base}, |
| 1395 | [0x99] = {"ld", four, reg_xy, imm1234_0base}, |
| 1396 | [0x9a] = {"clr", single, reg_xy, 0}, |
| 1397 | [0x9b] = {"clr", single, reg_xy, 0}, |
| 1398 | [0x9c] = {"inc.b", opr_n_bytes_p1, 0, opr_decode}, |
| 1399 | [0x9d] = {"inc.w", opr_n_bytes_p1, 0, opr_decode}, |
| 1400 | [0x9e] = {"tfr", two, tfr, NULL}, |
| 1401 | [0x9f] = {"inc.l", opr_n_bytes_p1, 0, opr_decode}, |
| 1402 | [0xa0] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1403 | [0xa1] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1404 | [0xa2] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1405 | [0xa3] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1406 | [0xa4] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1407 | [0xa5] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1408 | [0xa6] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1409 | [0xa7] = {"ld", opr_n_bytes_p1, reg, opr_decode}, |
| 1410 | [0xa8] = {"ld", opr_n_bytes_p1, reg_xy, opr_decode}, |
| 1411 | [0xa9] = {"ld", opr_n_bytes_p1, reg_xy, opr_decode}, |
| 1412 | [0xaa] = {"jmp", opr_n_bytes_p1, opr_decode, 0}, |
| 1413 | [0xab] = {"jsr", opr_n_bytes_p1, opr_decode, 0}, |
| 1414 | [0xac] = {"dec.b", opr_n_bytes_p1, 0, opr_decode}, |
| 1415 | [0xad] = {"dec.w", opr_n_bytes_p1, 0, opr_decode}, |
| 1416 | [0xae] = {NULL, two, 0, 0}, /* EXG / SEX */ |
| 1417 | [0xaf] = {"dec.l", opr_n_bytes_p1, 0, opr_decode}, |
| 1418 | [0xb0] = {"ld", four, reg, ext24_decode}, |
| 1419 | [0xb1] = {"ld", four, reg, ext24_decode}, |
| 1420 | [0xb2] = {"ld", four, reg, ext24_decode}, |
| 1421 | [0xb3] = {"ld", four, reg, ext24_decode}, |
| 1422 | [0xb4] = {"ld", four, reg, ext24_decode}, |
| 1423 | [0xb5] = {"ld", four, reg, ext24_decode}, |
| 1424 | [0xb6] = {"ld", four, reg, ext24_decode}, |
| 1425 | [0xb7] = {"ld", four, reg, ext24_decode}, |
| 1426 | [0xb8] = {"ld", four, reg_xy, ext24_decode}, |
| 1427 | [0xb9] = {"ld", four, reg_xy, ext24_decode}, |
| 1428 | [0xba] = {"jmp", four, ext24_decode, 0}, |
| 1429 | [0xbb] = {"jsr", four, ext24_decode, 0}, |
| 1430 | [0xbc] = {"clr.b", opr_n_bytes_p1, 0, opr_decode}, |
| 1431 | [0xbd] = {"clr.w", opr_n_bytes_p1, 0, opr_decode}, |
| 1432 | [0xbe] = {"clr.p", opr_n_bytes_p1, 0, opr_decode}, |
| 1433 | [0xbf] = {"clr.l", opr_n_bytes_p1, 0, opr_decode}, |
| 1434 | [0xc0] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1435 | [0xc1] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1436 | [0xc2] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1437 | [0xc3] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1438 | [0xc4] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1439 | [0xc5] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1440 | [0xc6] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1441 | [0xc7] = {"st", opr_n_bytes_p1, reg, opr_decode}, |
| 1442 | [0xc8] = {"st", opr_n_bytes_p1, reg_xy, opr_decode}, |
| 1443 | [0xc9] = {"st", opr_n_bytes_p1, reg_xy, opr_decode}, |
| 1444 | [0xca] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1445 | [0xcb] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1446 | [0xcc] = {"com.b", opr_n_bytes_p1, NULL, opr_decode}, |
| 1447 | [0xcd] = {"com.w", opr_n_bytes_p1, NULL, opr_decode}, |
| 1448 | [0xce] = {"andcc", two, imm1, 0}, |
| 1449 | [0xcf] = {"com.l", opr_n_bytes_p1, NULL, opr_decode}, |
| 1450 | [0xd0] = {"st", four, reg, ext24_decode}, |
| 1451 | [0xd1] = {"st", four, reg, ext24_decode}, |
| 1452 | [0xd2] = {"st", four, reg, ext24_decode}, |
| 1453 | [0xd3] = {"st", four, reg, ext24_decode}, |
| 1454 | [0xd4] = {"st", four, reg, ext24_decode}, |
| 1455 | [0xd5] = {"st", four, reg, ext24_decode}, |
| 1456 | [0xd6] = {"st", four, reg, ext24_decode}, |
| 1457 | [0xd7] = {"st", four, reg, ext24_decode}, |
| 1458 | [0xd8] = {"st", four, reg_xy, ext24_decode}, |
| 1459 | [0xd9] = {"st", four, reg_xy, ext24_decode}, |
| 1460 | [0xda] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1461 | [0xdb] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1462 | [0xdc] = {"neg.b", opr_n_bytes_p1, NULL, opr_decode}, |
| 1463 | [0xdd] = {"neg.w", opr_n_bytes_p1, NULL, opr_decode}, |
| 1464 | [0xde] = {"orcc", two, imm1, 0}, |
| 1465 | [0xdf] = {"neg.l", opr_n_bytes_p1, NULL, opr_decode}, |
| 1466 | [0xe0] = {"cmp", three, reg, imm1234_0base}, |
| 1467 | [0xe1] = {"cmp", three, reg, imm1234_0base}, |
| 1468 | [0xe2] = {"cmp", three, reg, imm1234_0base}, |
| 1469 | [0xe3] = {"cmp", three, reg, imm1234_0base}, |
| 1470 | [0xe4] = {"cmp", two, reg, imm1234_0base}, |
| 1471 | [0xe5] = {"cmp", two, reg, imm1234_0base}, |
| 1472 | [0xe6] = {"cmp", five, reg, imm1234_0base}, |
| 1473 | [0xe7] = {"cmp", five, reg, imm1234_0base}, |
| 1474 | [0xe8] = {"cmp", four, reg_xy, imm1234_0base}, |
| 1475 | [0xe9] = {"cmp", four, reg_xy, imm1234_0base}, |
| 1476 | [0xea] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1477 | [0xeb] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1478 | [0xec] = {"bclr", bm_n_bytes, bm_decode, 0}, |
| 1479 | [0xed] = {"bset", bm_n_bytes, bm_decode, 0}, |
| 1480 | [0xee] = {"btgl", bm_n_bytes, bm_decode, 0}, |
| 1481 | [0xef] = {"!!invalid!!", NULL, NULL, NULL}, /* SPARE */ |
| 1482 | [0xf0] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1483 | [0xf1] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1484 | [0xf2] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1485 | [0xf3] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1486 | [0xf4] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1487 | [0xf5] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1488 | [0xf6] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1489 | [0xf7] = {"cmp", opr_n_bytes_p1, reg, opr_decode}, |
| 1490 | [0xf8] = {"cmp", opr_n_bytes_p1, reg_xy, opr_decode}, |
| 1491 | [0xf9] = {"cmp", opr_n_bytes_p1, reg_xy, opr_decode}, |
| 1492 | [0xfa] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1493 | [0xfb] = {"ld", three, reg_xy, ld_18bit_decode}, |
| 1494 | [0xfc] = {"cmp", single, cmp_xy, 0}, |
| 1495 | [0xfd] = {"sub", single, sub_d6_x_y, 0}, |
| 1496 | [0xfe] = {"sub", single, sub_d6_y_x, 0}, |
| 1497 | [0xff] = {"swi", single, 0, 0} |
| 1498 | }; |
| 1499 | |
| 1500 | |
| 1501 | static const char *oprregs1[] = |
| 1502 | { |
| 1503 | "d3", "d2", "d1", "d0", "ccl", "cch" |
| 1504 | }; |
| 1505 | |
| 1506 | static const char *oprregs2[] = |
| 1507 | { |
| 1508 | "y", "x", "d7", "d6", "d5", "d4" |
| 1509 | }; |
| 1510 | |
| 1511 | |
| 1512 | \f |
| 1513 | |
| 1514 | enum MUL_MODE |
| 1515 | { |
| 1516 | MUL_REG_REG, |
| 1517 | MUL_REG_OPR, |
| 1518 | MUL_REG_IMM, |
| 1519 | MUL_OPR_OPR |
| 1520 | }; |
| 1521 | |
| 1522 | struct mb |
| 1523 | { |
| 1524 | uint8_t mask; |
| 1525 | uint8_t value; |
| 1526 | enum MUL_MODE mode; |
| 1527 | }; |
| 1528 | |
| 1529 | static const struct mb mul_table[] = { |
| 1530 | {0x40, 0x00, MUL_REG_REG}, |
| 1531 | |
| 1532 | {0x47, 0x40, MUL_REG_OPR}, |
| 1533 | {0x47, 0x41, MUL_REG_OPR}, |
| 1534 | {0x47, 0x43, MUL_REG_OPR}, |
| 1535 | |
| 1536 | {0x47, 0x44, MUL_REG_IMM}, |
| 1537 | {0x47, 0x45, MUL_REG_IMM}, |
| 1538 | {0x47, 0x47, MUL_REG_IMM}, |
| 1539 | |
| 1540 | {0x43, 0x42, MUL_OPR_OPR}, |
| 1541 | }; |
| 1542 | |
| 1543 | static void |
| 1544 | mul_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 1545 | { |
| 1546 | uint8_t mb; |
| 1547 | int status = read_memory (memaddr, &mb, 1, info); |
| 1548 | if (status < 0) |
| 1549 | return; |
| 1550 | |
| 1551 | |
| 1552 | uint8_t byte; |
| 1553 | status = read_memory (memaddr - 1, &byte, 1, info); |
| 1554 | if (status < 0) |
| 1555 | return; |
| 1556 | |
| 1557 | (*info->fprintf_func) (info->stream, "%c", (mb & 0x80) ? 's' : 'u'); |
| 1558 | |
| 1559 | enum MUL_MODE mode = -1; |
| 1560 | size_t i; |
| 1561 | for (i = 0; i < sizeof (mul_table) / sizeof (mul_table[0]); ++i) |
| 1562 | { |
| 1563 | const struct mb *mm = mul_table + i; |
| 1564 | if ((mb & mm->mask) == mm->value) |
| 1565 | { |
| 1566 | mode = mm->mode; |
| 1567 | break; |
| 1568 | } |
| 1569 | } |
| 1570 | |
| 1571 | switch (mode) |
| 1572 | { |
| 1573 | case MUL_REG_REG: |
| 1574 | break; |
| 1575 | case MUL_OPR_OPR: |
| 1576 | { |
| 1577 | int size1 = (mb & 0x30) >> 4; |
| 1578 | int size2 = (mb & 0x0c) >> 2; |
| 1579 | (*info->fprintf_func) (info->stream, ".%c%c", |
| 1580 | shift_size_table [size1], |
| 1581 | shift_size_table [size2]); |
| 1582 | } |
| 1583 | break; |
| 1584 | default: |
| 1585 | { |
| 1586 | int size = (mb & 0x3); |
| 1587 | (*info->fprintf_func) (info->stream, ".%c", shift_size_table [size]); |
| 1588 | } |
| 1589 | break; |
| 1590 | } |
| 1591 | |
| 1592 | operand_separator (info); |
| 1593 | (*info->fprintf_func) (info->stream, "%s", registers[byte & 0x7].name); |
| 1594 | |
| 1595 | switch (mode) |
| 1596 | { |
| 1597 | case MUL_REG_REG: |
| 1598 | case MUL_REG_IMM: |
| 1599 | case MUL_REG_OPR: |
| 1600 | operand_separator (info); |
| 1601 | (*info->fprintf_func) (info->stream, "%s", registers[(mb & 0x38) >> 3].name); |
| 1602 | break; |
| 1603 | default: |
| 1604 | break; |
| 1605 | } |
| 1606 | |
| 1607 | switch (mode) |
| 1608 | { |
| 1609 | case MUL_REG_IMM: |
| 1610 | operand_separator (info); |
| 1611 | int size = (mb & 0x3); |
| 1612 | uint32_t imm = decode_signed_value (memaddr + 1, info, size + 1); |
| 1613 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 1614 | break; |
| 1615 | case MUL_REG_REG: |
| 1616 | operand_separator (info); |
| 1617 | (*info->fprintf_func) (info->stream, "%s", registers[mb & 0x07].name); |
| 1618 | break; |
| 1619 | case MUL_REG_OPR: |
| 1620 | opr_decode (memaddr + 1, info); |
| 1621 | break; |
| 1622 | case MUL_OPR_OPR: |
| 1623 | { |
| 1624 | int first = opr_n_bytes (memaddr + 1, info); |
| 1625 | opr_decode (memaddr + 1, info); |
| 1626 | opr_decode (memaddr + first + 1, info); |
| 1627 | break; |
| 1628 | } |
| 1629 | } |
| 1630 | } |
| 1631 | |
| 1632 | |
| 1633 | static int |
| 1634 | mul_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 1635 | { |
| 1636 | int nx = 2; |
| 1637 | uint8_t mb; |
| 1638 | int status = read_memory (memaddr, &mb, 1, info); |
| 1639 | if (status < 0) |
| 1640 | return 0; |
| 1641 | |
| 1642 | enum MUL_MODE mode = -1; |
| 1643 | size_t i; |
| 1644 | for (i = 0; i < sizeof (mul_table) / sizeof (mul_table[0]); ++i) |
| 1645 | { |
| 1646 | const struct mb *mm = mul_table + i; |
| 1647 | if ((mb & mm->mask) == mm->value) |
| 1648 | { |
| 1649 | mode = mm->mode; |
| 1650 | break; |
| 1651 | } |
| 1652 | } |
| 1653 | |
| 1654 | int size = (mb & 0x3) + 1; |
| 1655 | |
| 1656 | switch (mode) |
| 1657 | { |
| 1658 | case MUL_REG_IMM: |
| 1659 | nx += size; |
| 1660 | break; |
| 1661 | case MUL_REG_REG: |
| 1662 | break; |
| 1663 | case MUL_REG_OPR: |
| 1664 | nx += opr_n_bytes (memaddr + 1, info); |
| 1665 | break; |
| 1666 | case MUL_OPR_OPR: |
| 1667 | { |
| 1668 | int first = opr_n_bytes (memaddr + nx - 1, info); |
| 1669 | nx += first; |
| 1670 | int second = opr_n_bytes (memaddr + nx - 1, info); |
| 1671 | nx += second; |
| 1672 | } |
| 1673 | break; |
| 1674 | } |
| 1675 | |
| 1676 | return nx; |
| 1677 | } |
| 1678 | |
| 1679 | \f |
| 1680 | enum BM_MODE { |
| 1681 | BM_REG_IMM, |
| 1682 | BM_RESERVED0, |
| 1683 | BM_OPR_B, |
| 1684 | BM_OPR_W, |
| 1685 | BM_OPR_L, |
| 1686 | BM_OPR_REG, |
| 1687 | BM_RESERVED1 |
| 1688 | }; |
| 1689 | |
| 1690 | struct bm |
| 1691 | { |
| 1692 | uint8_t mask; |
| 1693 | uint8_t value; |
| 1694 | enum BM_MODE mode; |
| 1695 | }; |
| 1696 | |
| 1697 | static const struct bm bm_table[] = { |
| 1698 | { 0xC6, 0x04, BM_REG_IMM}, |
| 1699 | { 0x84, 0x00, BM_REG_IMM}, |
| 1700 | { 0x06, 0x06, BM_REG_IMM}, |
| 1701 | { 0xC6, 0x44, BM_RESERVED0}, |
| 1702 | // 00 |
| 1703 | { 0x8F, 0x80, BM_OPR_B}, |
| 1704 | { 0x8E, 0x82, BM_OPR_W}, |
| 1705 | { 0x8C, 0x88, BM_OPR_L}, |
| 1706 | |
| 1707 | { 0x83, 0x81, BM_OPR_REG}, |
| 1708 | { 0x87, 0x84, BM_RESERVED1}, |
| 1709 | }; |
| 1710 | |
| 1711 | static void |
| 1712 | bm_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 1713 | { |
| 1714 | uint8_t bm; |
| 1715 | int status = read_memory (memaddr, &bm, 1, info); |
| 1716 | if (status < 0) |
| 1717 | return; |
| 1718 | |
| 1719 | size_t i; |
| 1720 | enum BM_MODE mode = -1; |
| 1721 | for (i = 0; i < sizeof (bm_table) / sizeof (bm_table[0]); ++i) |
| 1722 | { |
| 1723 | const struct bm *bme = bm_table + i; |
| 1724 | if ((bm & bme->mask) == bme->value) |
| 1725 | { |
| 1726 | mode = bme->mode; |
| 1727 | break; |
| 1728 | } |
| 1729 | } |
| 1730 | |
| 1731 | switch (mode) |
| 1732 | { |
| 1733 | case BM_REG_IMM: |
| 1734 | operand_separator (info); |
| 1735 | (*info->fprintf_func) (info->stream, "%s", registers[bm & 0x07].name); |
| 1736 | break; |
| 1737 | case BM_OPR_B: |
| 1738 | (*info->fprintf_func) (info->stream, ".%c", 'b'); |
| 1739 | opr_decode (memaddr + 1, info); |
| 1740 | break; |
| 1741 | case BM_OPR_W: |
| 1742 | (*info->fprintf_func) (info->stream, ".%c", 'w'); |
| 1743 | opr_decode (memaddr + 1, info); |
| 1744 | break; |
| 1745 | case BM_OPR_L: |
| 1746 | (*info->fprintf_func) (info->stream, ".%c", 'l'); |
| 1747 | opr_decode (memaddr + 1, info); |
| 1748 | break; |
| 1749 | case BM_OPR_REG: |
| 1750 | { |
| 1751 | uint8_t xb; |
| 1752 | read_memory (memaddr + 1, &xb, 1, info); |
| 1753 | /* Don't emit a size suffix for register operands */ |
| 1754 | if ((xb & 0xF8) != 0xB8) |
| 1755 | (*info->fprintf_func) (info->stream, ".%c", shift_size_table[(bm & 0x0c) >> 2]); |
| 1756 | opr_decode (memaddr + 1, info); |
| 1757 | } |
| 1758 | break; |
| 1759 | case BM_RESERVED0: |
| 1760 | case BM_RESERVED1: |
| 1761 | assert (0); |
| 1762 | break; |
| 1763 | } |
| 1764 | |
| 1765 | uint8_t imm = 0; |
| 1766 | operand_separator (info); |
| 1767 | switch (mode) |
| 1768 | { |
| 1769 | case BM_REG_IMM: |
| 1770 | { |
| 1771 | imm = (bm & 0xF8) >> 3; |
| 1772 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 1773 | } |
| 1774 | break; |
| 1775 | case BM_OPR_L: |
| 1776 | imm |= (bm & 0x03) << 3; |
| 1777 | /* fallthrough */ |
| 1778 | case BM_OPR_W: |
| 1779 | imm |= (bm & 0x01) << 3; |
| 1780 | /* fallthrough */ |
| 1781 | case BM_OPR_B: |
| 1782 | imm |= (bm & 0x70) >> 4; |
| 1783 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 1784 | break; |
| 1785 | case BM_OPR_REG: |
| 1786 | (*info->fprintf_func) (info->stream, "%s", registers[(bm & 0x70) >> 4].name); |
| 1787 | break; |
| 1788 | case BM_RESERVED0: |
| 1789 | case BM_RESERVED1: |
| 1790 | assert (0); |
| 1791 | break; |
| 1792 | } |
| 1793 | } |
| 1794 | |
| 1795 | |
| 1796 | static void |
| 1797 | bm_rel_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 1798 | { |
| 1799 | uint8_t bm; |
| 1800 | int status = read_memory (memaddr, &bm, 1, info); |
| 1801 | if (status < 0) |
| 1802 | return; |
| 1803 | |
| 1804 | size_t i; |
| 1805 | enum BM_MODE mode = -1; |
| 1806 | for (i = 0; i < sizeof (bm_table) / sizeof (bm_table[0]); ++i) |
| 1807 | { |
| 1808 | const struct bm *bme = bm_table + i; |
| 1809 | if ((bm & bme->mask) == bme->value) |
| 1810 | { |
| 1811 | mode = bme->mode; |
| 1812 | break; |
| 1813 | } |
| 1814 | } |
| 1815 | |
| 1816 | switch (mode) |
| 1817 | { |
| 1818 | case BM_REG_IMM: |
| 1819 | break; |
| 1820 | case BM_OPR_B: |
| 1821 | (*info->fprintf_func) (info->stream, ".%c", 'b'); |
| 1822 | break; |
| 1823 | case BM_OPR_W: |
| 1824 | (*info->fprintf_func) (info->stream, ".%c", 'w'); |
| 1825 | break; |
| 1826 | case BM_OPR_L: |
| 1827 | (*info->fprintf_func) (info->stream, ".%c", 'l'); |
| 1828 | break; |
| 1829 | case BM_OPR_REG: |
| 1830 | { |
| 1831 | uint8_t xb; |
| 1832 | read_memory (memaddr + 1, &xb, 1, info); |
| 1833 | /* Don't emit a size suffix for register operands */ |
| 1834 | if ((xb & 0xF8) != 0xB8) |
| 1835 | (*info->fprintf_func) (info->stream, ".%c", |
| 1836 | shift_size_table[(bm & 0x0C) >> 2]); |
| 1837 | } |
| 1838 | break; |
| 1839 | case BM_RESERVED0: |
| 1840 | case BM_RESERVED1: |
| 1841 | assert (0); |
| 1842 | break; |
| 1843 | } |
| 1844 | |
| 1845 | int n = 1; |
| 1846 | switch (mode) |
| 1847 | { |
| 1848 | case BM_REG_IMM: |
| 1849 | operand_separator (info); |
| 1850 | (*info->fprintf_func) (info->stream, "%s", registers[bm & 0x07].name); |
| 1851 | break; |
| 1852 | case BM_OPR_B: |
| 1853 | case BM_OPR_W: |
| 1854 | case BM_OPR_L: |
| 1855 | opr_decode (memaddr + 1, info); |
| 1856 | n = 1 + opr_n_bytes (memaddr + 1, info); |
| 1857 | break; |
| 1858 | case BM_OPR_REG: |
| 1859 | opr_decode (memaddr + 1, info); |
| 1860 | break; |
| 1861 | case BM_RESERVED0: |
| 1862 | case BM_RESERVED1: |
| 1863 | assert (0); |
| 1864 | break; |
| 1865 | } |
| 1866 | |
| 1867 | |
| 1868 | int imm = 0; |
| 1869 | operand_separator (info); |
| 1870 | switch (mode) |
| 1871 | { |
| 1872 | case BM_OPR_L: |
| 1873 | imm |= (bm & 0x02) << 3; |
| 1874 | /* fall through */ |
| 1875 | case BM_OPR_W: |
| 1876 | imm |= (bm & 0x01) << 3; |
| 1877 | /* fall through */ |
| 1878 | case BM_OPR_B: |
| 1879 | imm |= (bm & 0x70) >> 4; |
| 1880 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 1881 | break; |
| 1882 | case BM_REG_IMM: |
| 1883 | imm = (bm & 0xF8) >> 3; |
| 1884 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 1885 | break; |
| 1886 | case BM_RESERVED0: |
| 1887 | case BM_RESERVED1: |
| 1888 | assert (0); |
| 1889 | break; |
| 1890 | case BM_OPR_REG: |
| 1891 | (*info->fprintf_func) (info->stream, "%s", registers[(bm & 0x70) >> 4].name); |
| 1892 | n += opr_n_bytes (memaddr + 1, info); |
| 1893 | break; |
| 1894 | } |
| 1895 | |
| 1896 | rel_15_7 (memaddr + n, info, n + 1); |
| 1897 | } |
| 1898 | |
| 1899 | static int |
| 1900 | bm_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 1901 | { |
| 1902 | uint8_t bm; |
| 1903 | int status = read_memory (memaddr, &bm, 1, info); |
| 1904 | if (status < 0) |
| 1905 | return status; |
| 1906 | |
| 1907 | size_t i; |
| 1908 | enum BM_MODE mode = -1; |
| 1909 | for (i = 0; i < sizeof (bm_table) / sizeof (bm_table[0]); ++i) |
| 1910 | { |
| 1911 | const struct bm *bme = bm_table + i; |
| 1912 | if ((bm & bme->mask) == bme->value) |
| 1913 | { |
| 1914 | mode = bme->mode; |
| 1915 | break; |
| 1916 | } |
| 1917 | } |
| 1918 | |
| 1919 | int n = 2; |
| 1920 | switch (mode) |
| 1921 | { |
| 1922 | case BM_REG_IMM: |
| 1923 | break; |
| 1924 | |
| 1925 | case BM_OPR_B: |
| 1926 | case BM_OPR_W: |
| 1927 | case BM_OPR_L: |
| 1928 | n += opr_n_bytes (memaddr + 1, info); |
| 1929 | break; |
| 1930 | case BM_OPR_REG: |
| 1931 | n += opr_n_bytes (memaddr + 1, info); |
| 1932 | break; |
| 1933 | default: |
| 1934 | break; |
| 1935 | } |
| 1936 | |
| 1937 | return n; |
| 1938 | } |
| 1939 | |
| 1940 | static int |
| 1941 | bm_rel_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 1942 | { |
| 1943 | int n = 1 + bm_n_bytes (memaddr, info); |
| 1944 | |
| 1945 | bfd_byte rb; |
| 1946 | int status = read_memory (memaddr + n - 2, &rb, 1, info); |
| 1947 | if (status != 0) |
| 1948 | return status; |
| 1949 | |
| 1950 | if (rb & 0x80) |
| 1951 | n++; |
| 1952 | |
| 1953 | return n; |
| 1954 | } |
| 1955 | |
| 1956 | |
| 1957 | \f |
| 1958 | |
| 1959 | |
| 1960 | /* shift direction */ |
| 1961 | enum SB_DIR |
| 1962 | { |
| 1963 | SB_LEFT, |
| 1964 | SB_RIGHT |
| 1965 | }; |
| 1966 | |
| 1967 | enum SB_TYPE |
| 1968 | { |
| 1969 | SB_ARITHMETIC, |
| 1970 | SB_LOGICAL |
| 1971 | }; |
| 1972 | |
| 1973 | |
| 1974 | enum SB_MODE |
| 1975 | { |
| 1976 | SB_REG_REG_N_EFF, |
| 1977 | SB_REG_REG_N, |
| 1978 | SB_REG_OPR_EFF, |
| 1979 | SB_ROT, |
| 1980 | SB_REG_OPR_OPR, |
| 1981 | SB_OPR_N |
| 1982 | }; |
| 1983 | |
| 1984 | struct sb |
| 1985 | { |
| 1986 | uint8_t mask; |
| 1987 | uint8_t value; |
| 1988 | enum SB_MODE mode; |
| 1989 | }; |
| 1990 | |
| 1991 | static const struct sb sb_table[] = { |
| 1992 | {0x30, 0x00, SB_REG_REG_N_EFF}, |
| 1993 | {0x30, 0x10, SB_REG_REG_N}, |
| 1994 | {0x34, 0x20, SB_REG_OPR_EFF}, |
| 1995 | {0x34, 0x24, SB_ROT}, |
| 1996 | {0x34, 0x30, SB_REG_OPR_OPR}, |
| 1997 | {0x34, 0x34, SB_OPR_N}, |
| 1998 | }; |
| 1999 | |
| 2000 | static int |
| 2001 | shift_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 2002 | { |
| 2003 | bfd_byte sb; |
| 2004 | int status = read_memory (memaddr++, &sb, 1, info); |
| 2005 | if (status != 0) |
| 2006 | return status; |
| 2007 | |
| 2008 | size_t i; |
| 2009 | enum SB_MODE mode = -1; |
| 2010 | for (i = 0; i < sizeof (sb_table) / sizeof (sb_table[0]); ++i) |
| 2011 | { |
| 2012 | const struct sb *sbe = sb_table + i; |
| 2013 | if ((sb & sbe->mask) == sbe->value) |
| 2014 | mode = sbe->mode; |
| 2015 | } |
| 2016 | |
| 2017 | switch (mode) |
| 2018 | { |
| 2019 | case SB_REG_REG_N_EFF: |
| 2020 | return 2; |
| 2021 | break; |
| 2022 | case SB_REG_OPR_EFF: |
| 2023 | case SB_ROT: |
| 2024 | return 2 + opr_n_bytes (memaddr, info); |
| 2025 | break; |
| 2026 | case SB_REG_OPR_OPR: |
| 2027 | { |
| 2028 | int opr1 = opr_n_bytes (memaddr, info); |
| 2029 | int opr2 = 0; |
| 2030 | if ((sb & 0x30) != 0x20) |
| 2031 | opr2 = opr_n_bytes (memaddr + opr1, info); |
| 2032 | return 2 + opr1 + opr2; |
| 2033 | } |
| 2034 | break; |
| 2035 | default: |
| 2036 | return 3; |
| 2037 | } |
| 2038 | |
| 2039 | /* not reached */ |
| 2040 | return -1; |
| 2041 | } |
| 2042 | \f |
| 2043 | |
| 2044 | static int |
| 2045 | mov_imm_opr_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 2046 | { |
| 2047 | bfd_byte byte; |
| 2048 | int status = read_memory (memaddr - 1, &byte, 1, info); |
| 2049 | if (status < 0) |
| 2050 | return status; |
| 2051 | |
| 2052 | int size = byte - 0x0c + 1; |
| 2053 | |
| 2054 | return size + opr_n_bytes (memaddr + size, info) + 1; |
| 2055 | } |
| 2056 | |
| 2057 | static void |
| 2058 | mov_imm_opr (bfd_vma memaddr, struct disassemble_info* info) |
| 2059 | { |
| 2060 | bfd_byte byte; |
| 2061 | int status = read_memory (memaddr - 1, &byte, 1, info); |
| 2062 | if (status < 0) |
| 2063 | return ; |
| 2064 | |
| 2065 | int size = byte - 0x0c + 1; |
| 2066 | uint32_t imm = decode_signed_value (memaddr, info, size); |
| 2067 | |
| 2068 | operand_separator (info); |
| 2069 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 2070 | opr_decode (memaddr + size, info); |
| 2071 | } |
| 2072 | |
| 2073 | \f |
| 2074 | |
| 2075 | static void |
| 2076 | ld_18bit_decode (bfd_vma memaddr, struct disassemble_info* info) |
| 2077 | { |
| 2078 | size_t size = 3; |
| 2079 | bfd_byte buffer[3]; |
| 2080 | int status = read_memory (memaddr, buffer + 1, 2, info); |
| 2081 | if (status < 0) |
| 2082 | return ; |
| 2083 | |
| 2084 | |
| 2085 | status = read_memory (memaddr - 1, buffer, 1, info); |
| 2086 | if (status < 0) |
| 2087 | return ; |
| 2088 | |
| 2089 | buffer[0] = (buffer[0] & 0x30) >> 4; |
| 2090 | |
| 2091 | size_t i; |
| 2092 | uint32_t imm = 0; |
| 2093 | for (i = 0; i < size; ++i) |
| 2094 | { |
| 2095 | imm |= buffer[i] << (8 * (size - i - 1)); |
| 2096 | } |
| 2097 | |
| 2098 | operand_separator (info); |
| 2099 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 2100 | } |
| 2101 | |
| 2102 | \f |
| 2103 | |
| 2104 | /* Loop Primitives */ |
| 2105 | |
| 2106 | enum LP_MODE { |
| 2107 | LP_REG, |
| 2108 | LP_XY, |
| 2109 | LP_OPR |
| 2110 | }; |
| 2111 | |
| 2112 | struct lp |
| 2113 | { |
| 2114 | uint8_t mask; |
| 2115 | uint8_t value; |
| 2116 | enum LP_MODE mode; |
| 2117 | }; |
| 2118 | |
| 2119 | static const struct lp lp_mode[] = { |
| 2120 | {0x08, 0x00, LP_REG}, |
| 2121 | {0x0C, 0x08, LP_XY}, |
| 2122 | {0x0C, 0x0C, LP_OPR}, |
| 2123 | }; |
| 2124 | |
| 2125 | |
| 2126 | static const char *lb_condition[] = |
| 2127 | { |
| 2128 | "ne", "eq", "pl", "mi", "gt", "le", |
| 2129 | "??", "??" |
| 2130 | }; |
| 2131 | |
| 2132 | static int |
| 2133 | loop_prim_n_bytes (bfd_vma memaddr, struct disassemble_info* info) |
| 2134 | { |
| 2135 | int mx = 0; |
| 2136 | uint8_t lb; |
| 2137 | read_memory (memaddr + mx++, &lb, 1, info); |
| 2138 | |
| 2139 | enum LP_MODE mode = -1; |
| 2140 | size_t i; |
| 2141 | for (i = 0; i < sizeof (lp_mode) / sizeof (lp_mode[0]); ++i) |
| 2142 | { |
| 2143 | const struct lp *pb = lp_mode + i; |
| 2144 | if ((lb & pb->mask) == pb->value) |
| 2145 | { |
| 2146 | mode = pb->mode; |
| 2147 | break; |
| 2148 | } |
| 2149 | } |
| 2150 | |
| 2151 | if (mode == LP_OPR) |
| 2152 | { |
| 2153 | mx += opr_n_bytes (memaddr + mx, info) ; |
| 2154 | } |
| 2155 | |
| 2156 | uint8_t rb; |
| 2157 | read_memory (memaddr + mx++, &rb, 1, info); |
| 2158 | if (rb & 0x80) |
| 2159 | mx++; |
| 2160 | |
| 2161 | return mx + 1; |
| 2162 | } |
| 2163 | |
| 2164 | |
| 2165 | \f |
| 2166 | |
| 2167 | static int |
| 2168 | print_insn_exg_sex (bfd_vma memaddr, struct disassemble_info* info) |
| 2169 | { |
| 2170 | uint8_t eb; |
| 2171 | int status = read_memory (memaddr, &eb, 1, info); |
| 2172 | if (status < 0) |
| 2173 | return -1; |
| 2174 | |
| 2175 | const struct reg *first = ®isters[(eb & 0xf0) >> 4]; |
| 2176 | const struct reg *second = ®isters[(eb & 0xf)]; |
| 2177 | |
| 2178 | if (first->bytes < second->bytes) |
| 2179 | (*info->fprintf_func) (info->stream, "sex"); |
| 2180 | else |
| 2181 | (*info->fprintf_func) (info->stream, "exg"); |
| 2182 | |
| 2183 | operand_separator (info); |
| 2184 | (*info->fprintf_func) (info->stream, "%s", first->name); |
| 2185 | operand_separator (info); |
| 2186 | (*info->fprintf_func) (info->stream, "%s", second->name); |
| 2187 | return 0; |
| 2188 | } |
| 2189 | |
| 2190 | |
| 2191 | |
| 2192 | static int |
| 2193 | print_insn_loop_primitive (bfd_vma memaddr, struct disassemble_info* info) |
| 2194 | { |
| 2195 | int offs = 1; |
| 2196 | uint8_t lb; |
| 2197 | int status = read_memory (memaddr, &lb, 1, info); |
| 2198 | |
| 2199 | char mnemonic[7]; |
| 2200 | int x = 0; |
| 2201 | mnemonic[x++] = (lb & 0x80) ? 'd' : 't'; |
| 2202 | mnemonic[x++] = 'b'; |
| 2203 | stpcpy (mnemonic + x, lb_condition [(lb & 0x70) >> 4]); |
| 2204 | x += 2; |
| 2205 | |
| 2206 | const char *reg = NULL; |
| 2207 | enum LP_MODE mode = -1; |
| 2208 | size_t i; |
| 2209 | for (i = 0; i < sizeof (lp_mode) / sizeof (lp_mode[0]); ++i) |
| 2210 | { |
| 2211 | const struct lp *pb = lp_mode + i; |
| 2212 | if ((lb & pb->mask) == pb->value) |
| 2213 | { |
| 2214 | mode = pb->mode; |
| 2215 | break; |
| 2216 | } |
| 2217 | } |
| 2218 | |
| 2219 | switch (mode) |
| 2220 | { |
| 2221 | case LP_REG: |
| 2222 | reg = registers [lb & 0x07].name; |
| 2223 | break; |
| 2224 | case LP_XY: |
| 2225 | reg = (lb & 0x1) ? "y" : "x"; |
| 2226 | break; |
| 2227 | case LP_OPR: |
| 2228 | mnemonic[x++] = '.'; |
| 2229 | mnemonic[x++] = shift_size_table [lb & 0x03]; |
| 2230 | offs += opr_n_bytes (memaddr + 1, info); |
| 2231 | break; |
| 2232 | } |
| 2233 | |
| 2234 | mnemonic[x++] = '\0'; |
| 2235 | |
| 2236 | (*info->fprintf_func) (info->stream, "%s", mnemonic); |
| 2237 | |
| 2238 | if (mode == LP_OPR) |
| 2239 | opr_decode (memaddr + 1, info); |
| 2240 | else |
| 2241 | { |
| 2242 | operand_separator (info); |
| 2243 | (*info->fprintf_func) (info->stream, "%s", reg); |
| 2244 | } |
| 2245 | |
| 2246 | rel_15_7 (memaddr + offs, info, offs + 1); |
| 2247 | |
| 2248 | return status; |
| 2249 | } |
| 2250 | |
| 2251 | |
| 2252 | static int |
| 2253 | print_insn_shift (bfd_vma memaddr, struct disassemble_info* info, uint8_t byte) |
| 2254 | { |
| 2255 | size_t i; |
| 2256 | uint8_t sb; |
| 2257 | int status = read_memory (memaddr, &sb, 1, info); |
| 2258 | if (status < 0) |
| 2259 | return status; |
| 2260 | |
| 2261 | enum SB_DIR dir = (sb & 0x40) ? SB_LEFT : SB_RIGHT; |
| 2262 | enum SB_TYPE type = (sb & 0x80) ? SB_ARITHMETIC : SB_LOGICAL; |
| 2263 | enum SB_MODE mode = -1; |
| 2264 | for (i = 0; i < sizeof (sb_table) / sizeof (sb_table[0]); ++i) |
| 2265 | { |
| 2266 | const struct sb *sbe = sb_table + i; |
| 2267 | if ((sb & sbe->mask) == sbe->value) |
| 2268 | mode = sbe->mode; |
| 2269 | } |
| 2270 | |
| 2271 | char mnemonic[6]; |
| 2272 | int x = 0; |
| 2273 | if (mode == SB_ROT) |
| 2274 | { |
| 2275 | mnemonic[x++] = 'r'; |
| 2276 | mnemonic[x++] = 'o'; |
| 2277 | } |
| 2278 | else |
| 2279 | { |
| 2280 | mnemonic[x++] = (type == SB_LOGICAL) ? 'l' : 'a'; |
| 2281 | mnemonic[x++] = 's'; |
| 2282 | } |
| 2283 | |
| 2284 | mnemonic[x++] = (dir == SB_LEFT) ? 'l' : 'r'; |
| 2285 | |
| 2286 | switch (mode) |
| 2287 | { |
| 2288 | case SB_REG_OPR_EFF: |
| 2289 | case SB_ROT: |
| 2290 | case SB_REG_OPR_OPR: |
| 2291 | mnemonic[x++] = '.'; |
| 2292 | mnemonic[x++] = shift_size_table[sb & 0x03]; |
| 2293 | break; |
| 2294 | case SB_OPR_N: |
| 2295 | { |
| 2296 | uint8_t xb; |
| 2297 | read_memory (memaddr + 1, &xb, 1, info); |
| 2298 | /* The size suffix is not printed if the OPR operand refers |
| 2299 | directly to a register, because the size is implied by the |
| 2300 | size of that register. */ |
| 2301 | if ((xb & 0xF8) != 0xB8) |
| 2302 | { |
| 2303 | mnemonic[x++] = '.'; |
| 2304 | mnemonic[x++] = shift_size_table[sb & 0x03]; |
| 2305 | } |
| 2306 | } |
| 2307 | break; |
| 2308 | default: |
| 2309 | break; |
| 2310 | }; |
| 2311 | |
| 2312 | mnemonic[x++] = '\0'; |
| 2313 | |
| 2314 | (*info->fprintf_func) (info->stream, "%s", mnemonic); |
| 2315 | |
| 2316 | /* Destination register */ |
| 2317 | switch (mode) |
| 2318 | { |
| 2319 | case SB_REG_REG_N_EFF: |
| 2320 | case SB_REG_REG_N: |
| 2321 | case SB_REG_OPR_EFF: |
| 2322 | case SB_REG_OPR_OPR: |
| 2323 | operand_separator (info); |
| 2324 | (*info->fprintf_func) (info->stream, "%s", registers[byte & 0x7].name); |
| 2325 | break; |
| 2326 | |
| 2327 | case SB_ROT: |
| 2328 | opr_decode (memaddr + 1, info); |
| 2329 | break; |
| 2330 | |
| 2331 | default: |
| 2332 | break; |
| 2333 | } |
| 2334 | |
| 2335 | /* Source register */ |
| 2336 | switch (mode) |
| 2337 | { |
| 2338 | case SB_REG_REG_N_EFF: |
| 2339 | case SB_REG_REG_N: |
| 2340 | operand_separator (info); |
| 2341 | (*info->fprintf_func) (info->stream, "%s", registers[sb & 0x7].name); |
| 2342 | break; |
| 2343 | |
| 2344 | case SB_REG_OPR_OPR: |
| 2345 | opr_decode (memaddr + 1, info); |
| 2346 | break; |
| 2347 | |
| 2348 | default: |
| 2349 | break; |
| 2350 | } |
| 2351 | |
| 2352 | /* 3rd arg */ |
| 2353 | switch (mode) |
| 2354 | { |
| 2355 | case SB_REG_OPR_EFF: |
| 2356 | case SB_OPR_N: |
| 2357 | opr_decode (memaddr + 1, info); |
| 2358 | break; |
| 2359 | |
| 2360 | case SB_REG_REG_N: |
| 2361 | if (sb & 0x08) |
| 2362 | { |
| 2363 | operand_separator (info); |
| 2364 | if (byte & 0x10) |
| 2365 | { |
| 2366 | uint8_t xb; |
| 2367 | read_memory (memaddr + 1, &xb, 1, info); |
| 2368 | int shift = ((sb & 0x08) >> 3) | ((xb & 0x0f) << 1); |
| 2369 | (*info->fprintf_func) (info->stream, "#%d", shift); |
| 2370 | } |
| 2371 | else |
| 2372 | { |
| 2373 | (*info->fprintf_func) (info->stream, "%s:%d", __FILE__, __LINE__); |
| 2374 | } |
| 2375 | } |
| 2376 | else |
| 2377 | { |
| 2378 | opr_decode (memaddr + 1, info); |
| 2379 | } |
| 2380 | break; |
| 2381 | case SB_REG_OPR_OPR: |
| 2382 | { |
| 2383 | uint8_t xb; |
| 2384 | int n = opr_n_bytes (memaddr + 1, info); |
| 2385 | read_memory (memaddr + 1 + n, &xb, 1, info); |
| 2386 | |
| 2387 | if ((xb & 0xF0) == 0x70) |
| 2388 | { |
| 2389 | int imm = xb & 0x0F; |
| 2390 | imm <<= 1; |
| 2391 | imm |= (sb & 0x08) >> 3; |
| 2392 | operand_separator (info); |
| 2393 | (*info->fprintf_func) (info->stream, "#%d", imm); |
| 2394 | } |
| 2395 | else |
| 2396 | { |
| 2397 | opr_decode (memaddr + 1 + n, info); |
| 2398 | } |
| 2399 | } |
| 2400 | break; |
| 2401 | default: |
| 2402 | break; |
| 2403 | } |
| 2404 | |
| 2405 | switch (mode) |
| 2406 | { |
| 2407 | case SB_REG_REG_N_EFF: |
| 2408 | case SB_REG_OPR_EFF: |
| 2409 | case SB_OPR_N: |
| 2410 | operand_separator (info); |
| 2411 | (*info->fprintf_func) (info->stream, "#%d", |
| 2412 | (sb & 0x08) ? 2 : 1); |
| 2413 | break; |
| 2414 | |
| 2415 | default: |
| 2416 | break; |
| 2417 | } |
| 2418 | |
| 2419 | return 0; |
| 2420 | } |
| 2421 | |
| 2422 | int |
| 2423 | print_insn_s12z (bfd_vma memaddr, struct disassemble_info* info) |
| 2424 | { |
| 2425 | bfd_byte byte; |
| 2426 | int status = read_memory (memaddr++, &byte, 1, info); |
| 2427 | if (status != 0) |
| 2428 | return status; |
| 2429 | |
| 2430 | const struct opcode *opc2 = NULL; |
| 2431 | const struct opcode *opc = page1 + byte; |
| 2432 | if (opc->mnemonic) |
| 2433 | { |
| 2434 | (*info->fprintf_func) (info->stream, "%s", opc->mnemonic); |
| 2435 | } |
| 2436 | else |
| 2437 | { |
| 2438 | /* The special cases ... */ |
| 2439 | switch (byte) |
| 2440 | { |
| 2441 | case PAGE2_PREBYTE: |
| 2442 | { |
| 2443 | bfd_byte byte2; |
| 2444 | read_memory (memaddr++, &byte2, 1, info); |
| 2445 | opc2 = page2 + byte2; |
| 2446 | if (opc2->mnemonic) |
| 2447 | { |
| 2448 | (*info->fprintf_func) (info->stream, "%s", opc2->mnemonic); |
| 2449 | |
| 2450 | if (opc2->operands) |
| 2451 | { |
| 2452 | opc2->operands (memaddr, info); |
| 2453 | } |
| 2454 | |
| 2455 | if (opc2->operands2) |
| 2456 | { |
| 2457 | opc2->operands2 (memaddr, info); |
| 2458 | } |
| 2459 | } |
| 2460 | else if (byte2 >= 0x08 && byte2 <= 0x1F) |
| 2461 | { |
| 2462 | bfd_byte bb; |
| 2463 | read_memory (memaddr, &bb, 1, info); |
| 2464 | if (bb & 0x80) |
| 2465 | (*info->fprintf_func) (info->stream, "bfins"); |
| 2466 | else |
| 2467 | (*info->fprintf_func) (info->stream, "bfext"); |
| 2468 | |
| 2469 | enum BB_MODE mode = -1; |
| 2470 | size_t i; |
| 2471 | const struct opr_bb *bbs = 0; |
| 2472 | for (i = 0; i < sizeof (bb_modes) / sizeof (bb_modes[0]); ++i) |
| 2473 | { |
| 2474 | bbs = bb_modes + i; |
| 2475 | if ((bb & bbs->mask) == bbs->value) |
| 2476 | { |
| 2477 | mode = bbs->mode; |
| 2478 | break; |
| 2479 | } |
| 2480 | } |
| 2481 | |
| 2482 | switch (mode) |
| 2483 | { |
| 2484 | case BB_REG_OPR_REG: |
| 2485 | case BB_REG_OPR_IMM: |
| 2486 | case BB_OPR_REG_REG: |
| 2487 | case BB_OPR_REG_IMM: |
| 2488 | { |
| 2489 | int size = (bb >> 2) & 0x03; |
| 2490 | (*info->fprintf_func) (info->stream, ".%c", |
| 2491 | shift_size_table [size]); |
| 2492 | } |
| 2493 | break; |
| 2494 | default: |
| 2495 | break; |
| 2496 | } |
| 2497 | |
| 2498 | int reg1 = byte2 & 0x07; |
| 2499 | /* First operand */ |
| 2500 | switch (mode) |
| 2501 | { |
| 2502 | case BB_REG_REG_REG: |
| 2503 | case BB_REG_REG_IMM: |
| 2504 | case BB_REG_OPR_REG: |
| 2505 | case BB_REG_OPR_IMM: |
| 2506 | operand_separator (info); |
| 2507 | (*info->fprintf_func) (info->stream, "%s", |
| 2508 | registers[reg1].name); |
| 2509 | break; |
| 2510 | case BB_OPR_REG_REG: |
| 2511 | opr_decode (memaddr + 1, info); |
| 2512 | break; |
| 2513 | case BB_OPR_REG_IMM: |
| 2514 | opr_decode (memaddr + 2, info); |
| 2515 | break; |
| 2516 | } |
| 2517 | |
| 2518 | /* Second operand */ |
| 2519 | switch (mode) |
| 2520 | { |
| 2521 | case BB_REG_REG_REG: |
| 2522 | case BB_REG_REG_IMM: |
| 2523 | { |
| 2524 | int reg_src = (bb >> 2) & 0x07; |
| 2525 | operand_separator (info); |
| 2526 | (*info->fprintf_func) (info->stream, "%s", |
| 2527 | registers[reg_src].name); |
| 2528 | } |
| 2529 | break; |
| 2530 | case BB_OPR_REG_REG: |
| 2531 | case BB_OPR_REG_IMM: |
| 2532 | { |
| 2533 | int reg_src = (byte2 & 0x07); |
| 2534 | operand_separator (info); |
| 2535 | (*info->fprintf_func) (info->stream, "%s", |
| 2536 | registers[reg_src].name); |
| 2537 | } |
| 2538 | break; |
| 2539 | case BB_REG_OPR_REG: |
| 2540 | opr_decode (memaddr + 1, info); |
| 2541 | break; |
| 2542 | case BB_REG_OPR_IMM: |
| 2543 | opr_decode (memaddr + 2, info); |
| 2544 | break; |
| 2545 | } |
| 2546 | |
| 2547 | /* Third operand */ |
| 2548 | operand_separator (info); |
| 2549 | switch (mode) |
| 2550 | { |
| 2551 | case BB_REG_REG_REG: |
| 2552 | case BB_OPR_REG_REG: |
| 2553 | case BB_REG_OPR_REG: |
| 2554 | { |
| 2555 | int reg_parm = bb & 0x03; |
| 2556 | (*info->fprintf_func) (info->stream, "%s", |
| 2557 | registers[reg_parm].name); |
| 2558 | } |
| 2559 | break; |
| 2560 | case BB_REG_REG_IMM: |
| 2561 | case BB_OPR_REG_IMM: |
| 2562 | case BB_REG_OPR_IMM: |
| 2563 | { |
| 2564 | bfd_byte i1; |
| 2565 | read_memory (memaddr + 1, &i1, 1, info); |
| 2566 | int offset = i1 & 0x1f; |
| 2567 | int width = bb & 0x03; |
| 2568 | width <<= 3; |
| 2569 | width |= i1 >> 5; |
| 2570 | (*info->fprintf_func) (info->stream, "#%d:%d", width, offset); |
| 2571 | } |
| 2572 | break; |
| 2573 | } |
| 2574 | } |
| 2575 | } |
| 2576 | break; |
| 2577 | case 0xae: /* EXG / SEX */ |
| 2578 | status = print_insn_exg_sex (memaddr, info); |
| 2579 | break; |
| 2580 | case 0x0b: /* Loop Primitives TBcc and DBcc */ |
| 2581 | status = print_insn_loop_primitive (memaddr, info); |
| 2582 | break; |
| 2583 | case 0x10: /* shift */ |
| 2584 | case 0x11: /* shift */ |
| 2585 | case 0x12: /* shift */ |
| 2586 | case 0x13: /* shift */ |
| 2587 | case 0x14: /* shift */ |
| 2588 | case 0x15: /* shift */ |
| 2589 | case 0x16: /* shift */ |
| 2590 | case 0x17: /* shift */ |
| 2591 | status = print_insn_shift (memaddr, info, byte); |
| 2592 | break; |
| 2593 | case 0x04: /* psh / pul */ |
| 2594 | { |
| 2595 | read_memory (memaddr, &byte, 1, info); |
| 2596 | (*info->fprintf_func) (info->stream, (byte & 0x80) ? "pul" : "psh"); |
| 2597 | int bit; |
| 2598 | if (byte & 0x40) |
| 2599 | { |
| 2600 | if ((byte & 0x3F) == 0) |
| 2601 | { |
| 2602 | operand_separator (info); |
| 2603 | (*info->fprintf_func) (info->stream, "%s", "ALL16b"); |
| 2604 | } |
| 2605 | else |
| 2606 | for (bit = 5; bit >= 0; --bit) |
| 2607 | { |
| 2608 | if (byte & (0x1 << bit)) |
| 2609 | { |
| 2610 | operand_separator (info); |
| 2611 | (*info->fprintf_func) (info->stream, "%s", oprregs2[bit]); |
| 2612 | } |
| 2613 | } |
| 2614 | } |
| 2615 | else |
| 2616 | { |
| 2617 | if ((byte & 0x3F) == 0) |
| 2618 | { |
| 2619 | operand_separator (info); |
| 2620 | (*info->fprintf_func) (info->stream, "%s", "ALL"); |
| 2621 | } |
| 2622 | else |
| 2623 | for (bit = 5; bit >= 0; --bit) |
| 2624 | { |
| 2625 | if (byte & (0x1 << bit)) |
| 2626 | { |
| 2627 | operand_separator (info); |
| 2628 | (*info->fprintf_func) (info->stream, "%s", oprregs1[bit]); |
| 2629 | } |
| 2630 | } |
| 2631 | } |
| 2632 | } |
| 2633 | break; |
| 2634 | default: |
| 2635 | operand_separator (info); |
| 2636 | (*info->fprintf_func) (info->stream, "???"); |
| 2637 | break; |
| 2638 | } |
| 2639 | } |
| 2640 | |
| 2641 | if (opc2 == NULL) |
| 2642 | { |
| 2643 | if (opc->operands) |
| 2644 | { |
| 2645 | opc->operands (memaddr, info); |
| 2646 | } |
| 2647 | |
| 2648 | if (opc->operands2) |
| 2649 | { |
| 2650 | opc->operands2 (memaddr, info); |
| 2651 | } |
| 2652 | } |
| 2653 | |
| 2654 | int n = 0; |
| 2655 | |
| 2656 | /* Opcodes in page2 have an additional byte */ |
| 2657 | if (opc2) |
| 2658 | n++; |
| 2659 | |
| 2660 | if (opc2 && opc2->insn_bytes == 0) |
| 2661 | return n; |
| 2662 | |
| 2663 | if (!opc2 && opc->insn_bytes == 0) |
| 2664 | return n; |
| 2665 | |
| 2666 | if (opc2) |
| 2667 | n += opc2->insn_bytes (memaddr, info); |
| 2668 | else |
| 2669 | n += opc->insn_bytes (memaddr, info); |
| 2670 | |
| 2671 | return n; |
| 2672 | } |