1 /* Instruction building/extraction support for xc16x. -*- C -*- 2 3 THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator. 4 - the resultant file is machine generated, cgen-ibld.in isn't 5 6 Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006 7 Free Software Foundation, Inc. 8 9 This file is part of the GNU Binutils and GDB, the GNU debugger. 10 11 This program is free software; you can redistribute it and/or modify 12 it under the terms of the GNU General Public License as published by 13 the Free Software Foundation; either version 2, or (at your option) 14 any later version. 15 16 This program is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 GNU General Public License for more details. 20 21 You should have received a copy of the GNU General Public License 22 along with this program; if not, write to the Free Software Foundation, Inc., 23 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 24 25 /* ??? Eventually more and more of this stuff can go to cpu-independent files. 26 Keep that in mind. */ 27 28 #include "sysdep.h" 29 #include <stdio.h> 30 #include "ansidecl.h" 31 #include "dis-asm.h" 32 #include "bfd.h" 33 #include "symcat.h" 34 #include "xc16x-desc.h" 35 #include "xc16x-opc.h" 36 #include "opintl.h" 37 #include "safe-ctype.h" 38 39 #undef min 40 #define min(a,b) ((a) < (b) ? (a) : (b)) 41 #undef max 42 #define max(a,b) ((a) > (b) ? (a) : (b)) 43 44 /* Used by the ifield rtx function. */ 45 #define FLD(f) (fields->f) 46 47 static const char * insert_normal 48 (CGEN_CPU_DESC, long, unsigned int, unsigned int, unsigned int, 49 unsigned int, unsigned int, unsigned int, CGEN_INSN_BYTES_PTR); 50 static const char * insert_insn_normal 51 (CGEN_CPU_DESC, const CGEN_INSN *, 52 CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); 53 static int extract_normal 54 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, 55 unsigned int, unsigned int, unsigned int, unsigned int, 56 unsigned int, unsigned int, bfd_vma, long *); 57 static int extract_insn_normal 58 (CGEN_CPU_DESC, const CGEN_INSN *, CGEN_EXTRACT_INFO *, 59 CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma); 60 #if CGEN_INT_INSN_P 61 static void put_insn_int_value 62 (CGEN_CPU_DESC, CGEN_INSN_BYTES_PTR, int, int, CGEN_INSN_INT); 63 #endif 64 #if ! CGEN_INT_INSN_P 65 static CGEN_INLINE void insert_1 66 (CGEN_CPU_DESC, unsigned long, int, int, int, unsigned char *); 67 static CGEN_INLINE int fill_cache 68 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, bfd_vma); 69 static CGEN_INLINE long extract_1 70 (CGEN_CPU_DESC, CGEN_EXTRACT_INFO *, int, int, int, unsigned char *, bfd_vma); 71 #endif 72 73 /* Operand insertion. */ 74 75 #if ! CGEN_INT_INSN_P 76 77 /* Subroutine of insert_normal. */ 78 79 static CGEN_INLINE void 80 insert_1 (CGEN_CPU_DESC cd, 81 unsigned long value, 82 int start, 83 int length, 84 int word_length, 85 unsigned char *bufp) 86 { 87 unsigned long x,mask; 88 int shift; 89 90 x = cgen_get_insn_value (cd, bufp, word_length); 91 92 /* Written this way to avoid undefined behaviour. */ 93 mask = (((1L << (length - 1)) - 1) << 1) | 1; 94 if (CGEN_INSN_LSB0_P) 95 shift = (start + 1) - length; 96 else 97 shift = (word_length - (start + length)); 98 x = (x & ~(mask << shift)) | ((value & mask) << shift); 99 100 cgen_put_insn_value (cd, bufp, word_length, (bfd_vma) x); 101 } 102 103 #endif /* ! CGEN_INT_INSN_P */ 104 105 /* Default insertion routine. 106 107 ATTRS is a mask of the boolean attributes. 108 WORD_OFFSET is the offset in bits from the start of the insn of the value. 109 WORD_LENGTH is the length of the word in bits in which the value resides. 110 START is the starting bit number in the word, architecture origin. 111 LENGTH is the length of VALUE in bits. 112 TOTAL_LENGTH is the total length of the insn in bits. 113 114 The result is an error message or NULL if success. */ 115 116 /* ??? This duplicates functionality with bfd's howto table and 117 bfd_install_relocation. */ 118 /* ??? This doesn't handle bfd_vma's. Create another function when 119 necessary. */ 120 121 static const char * 122 insert_normal (CGEN_CPU_DESC cd, 123 long value, 124 unsigned int attrs, 125 unsigned int word_offset, 126 unsigned int start, 127 unsigned int length, 128 unsigned int word_length, 129 unsigned int total_length, 130 CGEN_INSN_BYTES_PTR buffer) 131 { 132 static char errbuf[100]; 133 /* Written this way to avoid undefined behaviour. */ 134 unsigned long mask = (((1L << (length - 1)) - 1) << 1) | 1; 135 136 /* If LENGTH is zero, this operand doesn't contribute to the value. */ 137 if (length == 0) 138 return NULL; 139 140 if (word_length > 32) 141 abort (); 142 143 /* For architectures with insns smaller than the base-insn-bitsize, 144 word_length may be too big. */ 145 if (cd->min_insn_bitsize < cd->base_insn_bitsize) 146 { 147 if (word_offset == 0 148 && word_length > total_length) 149 word_length = total_length; 150 } 151 152 /* Ensure VALUE will fit. */ 153 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGN_OPT)) 154 { 155 long minval = - (1L << (length - 1)); 156 unsigned long maxval = mask; 157 158 if ((value > 0 && (unsigned long) value > maxval) 159 || value < minval) 160 { 161 /* xgettext:c-format */ 162 sprintf (errbuf, 163 _("operand out of range (%ld not between %ld and %lu)"), 164 value, minval, maxval); 165 return errbuf; 166 } 167 } 168 else if (! CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED)) 169 { 170 unsigned long maxval = mask; 171 unsigned long val = (unsigned long) value; 172 173 /* For hosts with a word size > 32 check to see if value has been sign 174 extended beyond 32 bits. If so then ignore these higher sign bits 175 as the user is attempting to store a 32-bit signed value into an 176 unsigned 32-bit field which is allowed. */ 177 if (sizeof (unsigned long) > 4 && ((value >> 32) == -1)) 178 val &= 0xFFFFFFFF; 179 180 if (val > maxval) 181 { 182 /* xgettext:c-format */ 183 sprintf (errbuf, 184 _("operand out of range (0x%lx not between 0 and 0x%lx)"), 185 val, maxval); 186 return errbuf; 187 } 188 } 189 else 190 { 191 if (! cgen_signed_overflow_ok_p (cd)) 192 { 193 long minval = - (1L << (length - 1)); 194 long maxval = (1L << (length - 1)) - 1; 195 196 if (value < minval || value > maxval) 197 { 198 sprintf 199 /* xgettext:c-format */ 200 (errbuf, _("operand out of range (%ld not between %ld and %ld)"), 201 value, minval, maxval); 202 return errbuf; 203 } 204 } 205 } 206 207 #if CGEN_INT_INSN_P 208 209 { 210 int shift; 211 212 if (CGEN_INSN_LSB0_P) 213 shift = (word_offset + start + 1) - length; 214 else 215 shift = total_length - (word_offset + start + length); 216 *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift); 217 } 218 219 #else /* ! CGEN_INT_INSN_P */ 220 221 { 222 unsigned char *bufp = (unsigned char *) buffer + word_offset / 8; 223 224 insert_1 (cd, value, start, length, word_length, bufp); 225 } 226 227 #endif /* ! CGEN_INT_INSN_P */ 228 229 return NULL; 230 } 231 232 /* Default insn builder (insert handler). 233 The instruction is recorded in CGEN_INT_INSN_P byte order (meaning 234 that if CGEN_INSN_BYTES_PTR is an int * and thus, the value is 235 recorded in host byte order, otherwise BUFFER is an array of bytes 236 and the value is recorded in target byte order). 237 The result is an error message or NULL if success. */ 238 239 static const char * 240 insert_insn_normal (CGEN_CPU_DESC cd, 241 const CGEN_INSN * insn, 242 CGEN_FIELDS * fields, 243 CGEN_INSN_BYTES_PTR buffer, 244 bfd_vma pc) 245 { 246 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); 247 unsigned long value; 248 const CGEN_SYNTAX_CHAR_TYPE * syn; 249 250 CGEN_INIT_INSERT (cd); 251 value = CGEN_INSN_BASE_VALUE (insn); 252 253 /* If we're recording insns as numbers (rather than a string of bytes), 254 target byte order handling is deferred until later. */ 255 256 #if CGEN_INT_INSN_P 257 258 put_insn_int_value (cd, buffer, cd->base_insn_bitsize, 259 CGEN_FIELDS_BITSIZE (fields), value); 260 261 #else 262 263 cgen_put_insn_value (cd, buffer, min ((unsigned) cd->base_insn_bitsize, 264 (unsigned) CGEN_FIELDS_BITSIZE (fields)), 265 value); 266 267 #endif /* ! CGEN_INT_INSN_P */ 268 269 /* ??? It would be better to scan the format's fields. 270 Still need to be able to insert a value based on the operand though; 271 e.g. storing a branch displacement that got resolved later. 272 Needs more thought first. */ 273 274 for (syn = CGEN_SYNTAX_STRING (syntax); * syn; ++ syn) 275 { 276 const char *errmsg; 277 278 if (CGEN_SYNTAX_CHAR_P (* syn)) 279 continue; 280 281 errmsg = (* cd->insert_operand) (cd, CGEN_SYNTAX_FIELD (*syn), 282 fields, buffer, pc); 283 if (errmsg) 284 return errmsg; 285 } 286 287 return NULL; 288 } 289 290 #if CGEN_INT_INSN_P 291 /* Cover function to store an insn value into an integral insn. Must go here 292 because it needs <prefix>-desc.h for CGEN_INT_INSN_P. */ 293 294 static void 295 put_insn_int_value (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 296 CGEN_INSN_BYTES_PTR buf, 297 int length, 298 int insn_length, 299 CGEN_INSN_INT value) 300 { 301 /* For architectures with insns smaller than the base-insn-bitsize, 302 length may be too big. */ 303 if (length > insn_length) 304 *buf = value; 305 else 306 { 307 int shift = insn_length - length; 308 /* Written this way to avoid undefined behaviour. */ 309 CGEN_INSN_INT mask = (((1L << (length - 1)) - 1) << 1) | 1; 310 311 *buf = (*buf & ~(mask << shift)) | ((value & mask) << shift); 312 } 313 } 314 #endif 315 316 /* Operand extraction. */ 317 318 #if ! CGEN_INT_INSN_P 319 320 /* Subroutine of extract_normal. 321 Ensure sufficient bytes are cached in EX_INFO. 322 OFFSET is the offset in bytes from the start of the insn of the value. 323 BYTES is the length of the needed value. 324 Returns 1 for success, 0 for failure. */ 325 326 static CGEN_INLINE int 327 fill_cache (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 328 CGEN_EXTRACT_INFO *ex_info, 329 int offset, 330 int bytes, 331 bfd_vma pc) 332 { 333 /* It's doubtful that the middle part has already been fetched so 334 we don't optimize that case. kiss. */ 335 unsigned int mask; 336 disassemble_info *info = (disassemble_info *) ex_info->dis_info; 337 338 /* First do a quick check. */ 339 mask = (1 << bytes) - 1; 340 if (((ex_info->valid >> offset) & mask) == mask) 341 return 1; 342 343 /* Search for the first byte we need to read. */ 344 for (mask = 1 << offset; bytes > 0; --bytes, ++offset, mask <<= 1) 345 if (! (mask & ex_info->valid)) 346 break; 347 348 if (bytes) 349 { 350 int status; 351 352 pc += offset; 353 status = (*info->read_memory_func) 354 (pc, ex_info->insn_bytes + offset, bytes, info); 355 356 if (status != 0) 357 { 358 (*info->memory_error_func) (status, pc, info); 359 return 0; 360 } 361 362 ex_info->valid |= ((1 << bytes) - 1) << offset; 363 } 364 365 return 1; 366 } 367 368 /* Subroutine of extract_normal. */ 369 370 static CGEN_INLINE long 371 extract_1 (CGEN_CPU_DESC cd, 372 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED, 373 int start, 374 int length, 375 int word_length, 376 unsigned char *bufp, 377 bfd_vma pc ATTRIBUTE_UNUSED) 378 { 379 unsigned long x; 380 int shift; 381 382 x = cgen_get_insn_value (cd, bufp, word_length); 383 384 if (CGEN_INSN_LSB0_P) 385 shift = (start + 1) - length; 386 else 387 shift = (word_length - (start + length)); 388 return x >> shift; 389 } 390 391 #endif /* ! CGEN_INT_INSN_P */ 392 393 /* Default extraction routine. 394 395 INSN_VALUE is the first base_insn_bitsize bits of the insn in host order, 396 or sometimes less for cases like the m32r where the base insn size is 32 397 but some insns are 16 bits. 398 ATTRS is a mask of the boolean attributes. We only need `SIGNED', 399 but for generality we take a bitmask of all of them. 400 WORD_OFFSET is the offset in bits from the start of the insn of the value. 401 WORD_LENGTH is the length of the word in bits in which the value resides. 402 START is the starting bit number in the word, architecture origin. 403 LENGTH is the length of VALUE in bits. 404 TOTAL_LENGTH is the total length of the insn in bits. 405 406 Returns 1 for success, 0 for failure. */ 407 408 /* ??? The return code isn't properly used. wip. */ 409 410 /* ??? This doesn't handle bfd_vma's. Create another function when 411 necessary. */ 412 413 static int 414 extract_normal (CGEN_CPU_DESC cd, 415 #if ! CGEN_INT_INSN_P 416 CGEN_EXTRACT_INFO *ex_info, 417 #else 418 CGEN_EXTRACT_INFO *ex_info ATTRIBUTE_UNUSED, 419 #endif 420 CGEN_INSN_INT insn_value, 421 unsigned int attrs, 422 unsigned int word_offset, 423 unsigned int start, 424 unsigned int length, 425 unsigned int word_length, 426 unsigned int total_length, 427 #if ! CGEN_INT_INSN_P 428 bfd_vma pc, 429 #else 430 bfd_vma pc ATTRIBUTE_UNUSED, 431 #endif 432 long *valuep) 433 { 434 long value, mask; 435 436 /* If LENGTH is zero, this operand doesn't contribute to the value 437 so give it a standard value of zero. */ 438 if (length == 0) 439 { 440 *valuep = 0; 441 return 1; 442 } 443 444 if (word_length > 32) 445 abort (); 446 447 /* For architectures with insns smaller than the insn-base-bitsize, 448 word_length may be too big. */ 449 if (cd->min_insn_bitsize < cd->base_insn_bitsize) 450 { 451 if (word_offset + word_length > total_length) 452 word_length = total_length - word_offset; 453 } 454 455 /* Does the value reside in INSN_VALUE, and at the right alignment? */ 456 457 if (CGEN_INT_INSN_P || (word_offset == 0 && word_length == total_length)) 458 { 459 if (CGEN_INSN_LSB0_P) 460 value = insn_value >> ((word_offset + start + 1) - length); 461 else 462 value = insn_value >> (total_length - ( word_offset + start + length)); 463 } 464 465 #if ! CGEN_INT_INSN_P 466 467 else 468 { 469 unsigned char *bufp = ex_info->insn_bytes + word_offset / 8; 470 471 if (word_length > 32) 472 abort (); 473 474 if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0) 475 return 0; 476 477 value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc); 478 } 479 480 #endif /* ! CGEN_INT_INSN_P */ 481 482 /* Written this way to avoid undefined behaviour. */ 483 mask = (((1L << (length - 1)) - 1) << 1) | 1; 484 485 value &= mask; 486 /* sign extend? */ 487 if (CGEN_BOOL_ATTR (attrs, CGEN_IFLD_SIGNED) 488 && (value & (1L << (length - 1)))) 489 value |= ~mask; 490 491 *valuep = value; 492 493 return 1; 494 } 495 496 /* Default insn extractor. 497 498 INSN_VALUE is the first base_insn_bitsize bits, translated to host order. 499 The extracted fields are stored in FIELDS. 500 EX_INFO is used to handle reading variable length insns. 501 Return the length of the insn in bits, or 0 if no match, 502 or -1 if an error occurs fetching data (memory_error_func will have 503 been called). */ 504 505 static int 506 extract_insn_normal (CGEN_CPU_DESC cd, 507 const CGEN_INSN *insn, 508 CGEN_EXTRACT_INFO *ex_info, 509 CGEN_INSN_INT insn_value, 510 CGEN_FIELDS *fields, 511 bfd_vma pc) 512 { 513 const CGEN_SYNTAX *syntax = CGEN_INSN_SYNTAX (insn); 514 const CGEN_SYNTAX_CHAR_TYPE *syn; 515 516 CGEN_FIELDS_BITSIZE (fields) = CGEN_INSN_BITSIZE (insn); 517 518 CGEN_INIT_EXTRACT (cd); 519 520 for (syn = CGEN_SYNTAX_STRING (syntax); *syn; ++syn) 521 { 522 int length; 523 524 if (CGEN_SYNTAX_CHAR_P (*syn)) 525 continue; 526 527 length = (* cd->extract_operand) (cd, CGEN_SYNTAX_FIELD (*syn), 528 ex_info, insn_value, fields, pc); 529 if (length <= 0) 530 return length; 531 } 532 533 /* We recognized and successfully extracted this insn. */ 534 return CGEN_INSN_BITSIZE (insn); 535 } 536 537 /* Machine generated code added here. */ 538 539 const char * xc16x_cgen_insert_operand 540 (CGEN_CPU_DESC, int, CGEN_FIELDS *, CGEN_INSN_BYTES_PTR, bfd_vma); 541 542 /* Main entry point for operand insertion. 543 544 This function is basically just a big switch statement. Earlier versions 545 used tables to look up the function to use, but 546 - if the table contains both assembler and disassembler functions then 547 the disassembler contains much of the assembler and vice-versa, 548 - there's a lot of inlining possibilities as things grow, 549 - using a switch statement avoids the function call overhead. 550 551 This function could be moved into `parse_insn_normal', but keeping it 552 separate makes clear the interface between `parse_insn_normal' and each of 553 the handlers. It's also needed by GAS to insert operands that couldn't be 554 resolved during parsing. */ 555 556 const char * 557 xc16x_cgen_insert_operand (CGEN_CPU_DESC cd, 558 int opindex, 559 CGEN_FIELDS * fields, 560 CGEN_INSN_BYTES_PTR buffer, 561 bfd_vma pc ATTRIBUTE_UNUSED) 562 { 563 const char * errmsg = NULL; 564 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); 565 566 switch (opindex) 567 { 568 case XC16X_OPERAND_REGNAM : 569 errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer); 570 break; 571 case XC16X_OPERAND_BIT01 : 572 errmsg = insert_normal (cd, fields->f_op_1bit, 0, 0, 8, 1, 32, total_length, buffer); 573 break; 574 case XC16X_OPERAND_BIT1 : 575 errmsg = insert_normal (cd, fields->f_op_bit1, 0, 0, 11, 1, 32, total_length, buffer); 576 break; 577 case XC16X_OPERAND_BIT2 : 578 errmsg = insert_normal (cd, fields->f_op_bit2, 0, 0, 11, 2, 32, total_length, buffer); 579 break; 580 case XC16X_OPERAND_BIT4 : 581 errmsg = insert_normal (cd, fields->f_op_bit4, 0, 0, 11, 4, 32, total_length, buffer); 582 break; 583 case XC16X_OPERAND_BIT8 : 584 errmsg = insert_normal (cd, fields->f_op_bit8, 0, 0, 31, 8, 32, total_length, buffer); 585 break; 586 case XC16X_OPERAND_BITONE : 587 errmsg = insert_normal (cd, fields->f_op_onebit, 0, 0, 9, 1, 32, total_length, buffer); 588 break; 589 case XC16X_OPERAND_CADDR : 590 errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer); 591 break; 592 case XC16X_OPERAND_COND : 593 errmsg = insert_normal (cd, fields->f_condcode, 0, 0, 7, 4, 32, total_length, buffer); 594 break; 595 case XC16X_OPERAND_DATA8 : 596 errmsg = insert_normal (cd, fields->f_data8, 0, 0, 23, 8, 32, total_length, buffer); 597 break; 598 case XC16X_OPERAND_DATAHI8 : 599 errmsg = insert_normal (cd, fields->f_datahi8, 0, 0, 31, 8, 32, total_length, buffer); 600 break; 601 case XC16X_OPERAND_DOT : 602 break; 603 case XC16X_OPERAND_DR : 604 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer); 605 break; 606 case XC16X_OPERAND_DRB : 607 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer); 608 break; 609 case XC16X_OPERAND_DRI : 610 errmsg = insert_normal (cd, fields->f_r4, 0, 0, 11, 4, 32, total_length, buffer); 611 break; 612 case XC16X_OPERAND_EXTCOND : 613 errmsg = insert_normal (cd, fields->f_extccode, 0, 0, 15, 5, 32, total_length, buffer); 614 break; 615 case XC16X_OPERAND_GENREG : 616 errmsg = insert_normal (cd, fields->f_regb8, 0, 0, 15, 8, 32, total_length, buffer); 617 break; 618 case XC16X_OPERAND_HASH : 619 break; 620 case XC16X_OPERAND_ICOND : 621 errmsg = insert_normal (cd, fields->f_icondcode, 0, 0, 15, 4, 32, total_length, buffer); 622 break; 623 case XC16X_OPERAND_LBIT2 : 624 errmsg = insert_normal (cd, fields->f_op_lbit2, 0, 0, 15, 2, 32, total_length, buffer); 625 break; 626 case XC16X_OPERAND_LBIT4 : 627 errmsg = insert_normal (cd, fields->f_op_lbit4, 0, 0, 15, 4, 32, total_length, buffer); 628 break; 629 case XC16X_OPERAND_MASK8 : 630 errmsg = insert_normal (cd, fields->f_mask8, 0, 0, 23, 8, 32, total_length, buffer); 631 break; 632 case XC16X_OPERAND_MASKLO8 : 633 errmsg = insert_normal (cd, fields->f_datahi8, 0, 0, 31, 8, 32, total_length, buffer); 634 break; 635 case XC16X_OPERAND_MEMGR8 : 636 errmsg = insert_normal (cd, fields->f_memgr8, 0, 0, 31, 16, 32, total_length, buffer); 637 break; 638 case XC16X_OPERAND_MEMORY : 639 errmsg = insert_normal (cd, fields->f_memory, 0, 0, 31, 16, 32, total_length, buffer); 640 break; 641 case XC16X_OPERAND_PAG : 642 break; 643 case XC16X_OPERAND_PAGENUM : 644 errmsg = insert_normal (cd, fields->f_pagenum, 0, 0, 25, 10, 32, total_length, buffer); 645 break; 646 case XC16X_OPERAND_POF : 647 break; 648 case XC16X_OPERAND_QBIT : 649 errmsg = insert_normal (cd, fields->f_qbit, 0, 0, 7, 4, 32, total_length, buffer); 650 break; 651 case XC16X_OPERAND_QHIBIT : 652 errmsg = insert_normal (cd, fields->f_qhibit, 0, 0, 27, 4, 32, total_length, buffer); 653 break; 654 case XC16X_OPERAND_QLOBIT : 655 errmsg = insert_normal (cd, fields->f_qlobit, 0, 0, 31, 4, 32, total_length, buffer); 656 break; 657 case XC16X_OPERAND_REG8 : 658 errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer); 659 break; 660 case XC16X_OPERAND_REGB8 : 661 errmsg = insert_normal (cd, fields->f_regb8, 0, 0, 15, 8, 32, total_length, buffer); 662 break; 663 case XC16X_OPERAND_REGBMEM8 : 664 errmsg = insert_normal (cd, fields->f_regmem8, 0, 0, 15, 8, 32, total_length, buffer); 665 break; 666 case XC16X_OPERAND_REGHI8 : 667 errmsg = insert_normal (cd, fields->f_reghi8, 0, 0, 23, 8, 32, total_length, buffer); 668 break; 669 case XC16X_OPERAND_REGMEM8 : 670 errmsg = insert_normal (cd, fields->f_regmem8, 0, 0, 15, 8, 32, total_length, buffer); 671 break; 672 case XC16X_OPERAND_REGOFF8 : 673 errmsg = insert_normal (cd, fields->f_regoff8, 0, 0, 15, 8, 32, total_length, buffer); 674 break; 675 case XC16X_OPERAND_REL : 676 errmsg = insert_normal (cd, fields->f_rel8, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, buffer); 677 break; 678 case XC16X_OPERAND_RELHI : 679 errmsg = insert_normal (cd, fields->f_relhi8, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 23, 8, 32, total_length, buffer); 680 break; 681 case XC16X_OPERAND_SEG : 682 errmsg = insert_normal (cd, fields->f_seg8, 0, 0, 15, 8, 32, total_length, buffer); 683 break; 684 case XC16X_OPERAND_SEGHI8 : 685 errmsg = insert_normal (cd, fields->f_segnum8, 0, 0, 23, 8, 32, total_length, buffer); 686 break; 687 case XC16X_OPERAND_SEGM : 688 break; 689 case XC16X_OPERAND_SOF : 690 break; 691 case XC16X_OPERAND_SR : 692 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer); 693 break; 694 case XC16X_OPERAND_SR2 : 695 errmsg = insert_normal (cd, fields->f_r0, 0, 0, 9, 2, 32, total_length, buffer); 696 break; 697 case XC16X_OPERAND_SRB : 698 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer); 699 break; 700 case XC16X_OPERAND_SRC1 : 701 errmsg = insert_normal (cd, fields->f_r1, 0, 0, 15, 4, 32, total_length, buffer); 702 break; 703 case XC16X_OPERAND_SRC2 : 704 errmsg = insert_normal (cd, fields->f_r2, 0, 0, 11, 4, 32, total_length, buffer); 705 break; 706 case XC16X_OPERAND_SRDIV : 707 errmsg = insert_normal (cd, fields->f_reg8, 0, 0, 15, 8, 32, total_length, buffer); 708 break; 709 case XC16X_OPERAND_U4 : 710 errmsg = insert_normal (cd, fields->f_uimm4, 0, 0, 15, 4, 32, total_length, buffer); 711 break; 712 case XC16X_OPERAND_UIMM16 : 713 errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 31, 16, 32, total_length, buffer); 714 break; 715 case XC16X_OPERAND_UIMM2 : 716 errmsg = insert_normal (cd, fields->f_uimm2, 0, 0, 13, 2, 32, total_length, buffer); 717 break; 718 case XC16X_OPERAND_UIMM3 : 719 errmsg = insert_normal (cd, fields->f_uimm3, 0, 0, 10, 3, 32, total_length, buffer); 720 break; 721 case XC16X_OPERAND_UIMM4 : 722 errmsg = insert_normal (cd, fields->f_uimm4, 0, 0, 15, 4, 32, total_length, buffer); 723 break; 724 case XC16X_OPERAND_UIMM7 : 725 errmsg = insert_normal (cd, fields->f_uimm7, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 7, 32, total_length, buffer); 726 break; 727 case XC16X_OPERAND_UIMM8 : 728 errmsg = insert_normal (cd, fields->f_uimm8, 0, 0, 23, 8, 32, total_length, buffer); 729 break; 730 case XC16X_OPERAND_UPAG16 : 731 errmsg = insert_normal (cd, fields->f_uimm16, 0, 0, 31, 16, 32, total_length, buffer); 732 break; 733 case XC16X_OPERAND_UPOF16 : 734 errmsg = insert_normal (cd, fields->f_memory, 0, 0, 31, 16, 32, total_length, buffer); 735 break; 736 case XC16X_OPERAND_USEG16 : 737 errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer); 738 break; 739 case XC16X_OPERAND_USEG8 : 740 errmsg = insert_normal (cd, fields->f_seg8, 0, 0, 15, 8, 32, total_length, buffer); 741 break; 742 case XC16X_OPERAND_USOF16 : 743 errmsg = insert_normal (cd, fields->f_offset16, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, buffer); 744 break; 745 746 default : 747 /* xgettext:c-format */ 748 fprintf (stderr, _("Unrecognized field %d while building insn.\n"), 749 opindex); 750 abort (); 751 } 752 753 return errmsg; 754 } 755 756 int xc16x_cgen_extract_operand 757 (CGEN_CPU_DESC, int, CGEN_EXTRACT_INFO *, CGEN_INSN_INT, CGEN_FIELDS *, bfd_vma); 758 759 /* Main entry point for operand extraction. 760 The result is <= 0 for error, >0 for success. 761 ??? Actual values aren't well defined right now. 762 763 This function is basically just a big switch statement. Earlier versions 764 used tables to look up the function to use, but 765 - if the table contains both assembler and disassembler functions then 766 the disassembler contains much of the assembler and vice-versa, 767 - there's a lot of inlining possibilities as things grow, 768 - using a switch statement avoids the function call overhead. 769 770 This function could be moved into `print_insn_normal', but keeping it 771 separate makes clear the interface between `print_insn_normal' and each of 772 the handlers. */ 773 774 int 775 xc16x_cgen_extract_operand (CGEN_CPU_DESC cd, 776 int opindex, 777 CGEN_EXTRACT_INFO *ex_info, 778 CGEN_INSN_INT insn_value, 779 CGEN_FIELDS * fields, 780 bfd_vma pc) 781 { 782 /* Assume success (for those operands that are nops). */ 783 int length = 1; 784 unsigned int total_length = CGEN_FIELDS_BITSIZE (fields); 785 786 switch (opindex) 787 { 788 case XC16X_OPERAND_REGNAM : 789 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8); 790 break; 791 case XC16X_OPERAND_BIT01 : 792 length = extract_normal (cd, ex_info, insn_value, 0, 0, 8, 1, 32, total_length, pc, & fields->f_op_1bit); 793 break; 794 case XC16X_OPERAND_BIT1 : 795 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 1, 32, total_length, pc, & fields->f_op_bit1); 796 break; 797 case XC16X_OPERAND_BIT2 : 798 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 2, 32, total_length, pc, & fields->f_op_bit2); 799 break; 800 case XC16X_OPERAND_BIT4 : 801 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_op_bit4); 802 break; 803 case XC16X_OPERAND_BIT8 : 804 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_op_bit8); 805 break; 806 case XC16X_OPERAND_BITONE : 807 length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 1, 32, total_length, pc, & fields->f_op_onebit); 808 break; 809 case XC16X_OPERAND_CADDR : 810 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, pc, & fields->f_offset16); 811 break; 812 case XC16X_OPERAND_COND : 813 length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 4, 32, total_length, pc, & fields->f_condcode); 814 break; 815 case XC16X_OPERAND_DATA8 : 816 length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_data8); 817 break; 818 case XC16X_OPERAND_DATAHI8 : 819 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_datahi8); 820 break; 821 case XC16X_OPERAND_DOT : 822 break; 823 case XC16X_OPERAND_DR : 824 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1); 825 break; 826 case XC16X_OPERAND_DRB : 827 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1); 828 break; 829 case XC16X_OPERAND_DRI : 830 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r4); 831 break; 832 case XC16X_OPERAND_EXTCOND : 833 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 5, 32, total_length, pc, & fields->f_extccode); 834 break; 835 case XC16X_OPERAND_GENREG : 836 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regb8); 837 break; 838 case XC16X_OPERAND_HASH : 839 break; 840 case XC16X_OPERAND_ICOND : 841 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_icondcode); 842 break; 843 case XC16X_OPERAND_LBIT2 : 844 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 2, 32, total_length, pc, & fields->f_op_lbit2); 845 break; 846 case XC16X_OPERAND_LBIT4 : 847 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_op_lbit4); 848 break; 849 case XC16X_OPERAND_MASK8 : 850 length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_mask8); 851 break; 852 case XC16X_OPERAND_MASKLO8 : 853 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 8, 32, total_length, pc, & fields->f_datahi8); 854 break; 855 case XC16X_OPERAND_MEMGR8 : 856 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memgr8); 857 break; 858 case XC16X_OPERAND_MEMORY : 859 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memory); 860 break; 861 case XC16X_OPERAND_PAG : 862 break; 863 case XC16X_OPERAND_PAGENUM : 864 length = extract_normal (cd, ex_info, insn_value, 0, 0, 25, 10, 32, total_length, pc, & fields->f_pagenum); 865 break; 866 case XC16X_OPERAND_POF : 867 break; 868 case XC16X_OPERAND_QBIT : 869 length = extract_normal (cd, ex_info, insn_value, 0, 0, 7, 4, 32, total_length, pc, & fields->f_qbit); 870 break; 871 case XC16X_OPERAND_QHIBIT : 872 length = extract_normal (cd, ex_info, insn_value, 0, 0, 27, 4, 32, total_length, pc, & fields->f_qhibit); 873 break; 874 case XC16X_OPERAND_QLOBIT : 875 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 4, 32, total_length, pc, & fields->f_qlobit); 876 break; 877 case XC16X_OPERAND_REG8 : 878 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8); 879 break; 880 case XC16X_OPERAND_REGB8 : 881 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regb8); 882 break; 883 case XC16X_OPERAND_REGBMEM8 : 884 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regmem8); 885 break; 886 case XC16X_OPERAND_REGHI8 : 887 length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_reghi8); 888 break; 889 case XC16X_OPERAND_REGMEM8 : 890 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regmem8); 891 break; 892 case XC16X_OPERAND_REGOFF8 : 893 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_regoff8); 894 break; 895 case XC16X_OPERAND_REL : 896 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 8, 32, total_length, pc, & fields->f_rel8); 897 break; 898 case XC16X_OPERAND_RELHI : 899 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 23, 8, 32, total_length, pc, & fields->f_relhi8); 900 break; 901 case XC16X_OPERAND_SEG : 902 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_seg8); 903 break; 904 case XC16X_OPERAND_SEGHI8 : 905 length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_segnum8); 906 break; 907 case XC16X_OPERAND_SEGM : 908 break; 909 case XC16X_OPERAND_SOF : 910 break; 911 case XC16X_OPERAND_SR : 912 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2); 913 break; 914 case XC16X_OPERAND_SR2 : 915 length = extract_normal (cd, ex_info, insn_value, 0, 0, 9, 2, 32, total_length, pc, & fields->f_r0); 916 break; 917 case XC16X_OPERAND_SRB : 918 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2); 919 break; 920 case XC16X_OPERAND_SRC1 : 921 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_r1); 922 break; 923 case XC16X_OPERAND_SRC2 : 924 length = extract_normal (cd, ex_info, insn_value, 0, 0, 11, 4, 32, total_length, pc, & fields->f_r2); 925 break; 926 case XC16X_OPERAND_SRDIV : 927 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_reg8); 928 break; 929 case XC16X_OPERAND_U4 : 930 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_uimm4); 931 break; 932 case XC16X_OPERAND_UIMM16 : 933 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_uimm16); 934 break; 935 case XC16X_OPERAND_UIMM2 : 936 length = extract_normal (cd, ex_info, insn_value, 0, 0, 13, 2, 32, total_length, pc, & fields->f_uimm2); 937 break; 938 case XC16X_OPERAND_UIMM3 : 939 length = extract_normal (cd, ex_info, insn_value, 0, 0, 10, 3, 32, total_length, pc, & fields->f_uimm3); 940 break; 941 case XC16X_OPERAND_UIMM4 : 942 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 4, 32, total_length, pc, & fields->f_uimm4); 943 break; 944 case XC16X_OPERAND_UIMM7 : 945 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_PCREL_ADDR), 0, 15, 7, 32, total_length, pc, & fields->f_uimm7); 946 break; 947 case XC16X_OPERAND_UIMM8 : 948 length = extract_normal (cd, ex_info, insn_value, 0, 0, 23, 8, 32, total_length, pc, & fields->f_uimm8); 949 break; 950 case XC16X_OPERAND_UPAG16 : 951 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_uimm16); 952 break; 953 case XC16X_OPERAND_UPOF16 : 954 length = extract_normal (cd, ex_info, insn_value, 0, 0, 31, 16, 32, total_length, pc, & fields->f_memory); 955 break; 956 case XC16X_OPERAND_USEG16 : 957 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, pc, & fields->f_offset16); 958 break; 959 case XC16X_OPERAND_USEG8 : 960 length = extract_normal (cd, ex_info, insn_value, 0, 0, 15, 8, 32, total_length, pc, & fields->f_seg8); 961 break; 962 case XC16X_OPERAND_USOF16 : 963 length = extract_normal (cd, ex_info, insn_value, 0|(1<<CGEN_IFLD_RELOC)|(1<<CGEN_IFLD_ABS_ADDR), 0, 31, 16, 32, total_length, pc, & fields->f_offset16); 964 break; 965 966 default : 967 /* xgettext:c-format */ 968 fprintf (stderr, _("Unrecognized field %d while decoding insn.\n"), 969 opindex); 970 abort (); 971 } 972 973 return length; 974 } 975 976 cgen_insert_fn * const xc16x_cgen_insert_handlers[] = 977 { 978 insert_insn_normal, 979 }; 980 981 cgen_extract_fn * const xc16x_cgen_extract_handlers[] = 982 { 983 extract_insn_normal, 984 }; 985 986 int xc16x_cgen_get_int_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); 987 bfd_vma xc16x_cgen_get_vma_operand (CGEN_CPU_DESC, int, const CGEN_FIELDS *); 988 989 /* Getting values from cgen_fields is handled by a collection of functions. 990 They are distinguished by the type of the VALUE argument they return. 991 TODO: floating point, inlining support, remove cases where result type 992 not appropriate. */ 993 994 int 995 xc16x_cgen_get_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 996 int opindex, 997 const CGEN_FIELDS * fields) 998 { 999 int value; 1000 1001 switch (opindex) 1002 { 1003 case XC16X_OPERAND_REGNAM : 1004 value = fields->f_reg8; 1005 break; 1006 case XC16X_OPERAND_BIT01 : 1007 value = fields->f_op_1bit; 1008 break; 1009 case XC16X_OPERAND_BIT1 : 1010 value = fields->f_op_bit1; 1011 break; 1012 case XC16X_OPERAND_BIT2 : 1013 value = fields->f_op_bit2; 1014 break; 1015 case XC16X_OPERAND_BIT4 : 1016 value = fields->f_op_bit4; 1017 break; 1018 case XC16X_OPERAND_BIT8 : 1019 value = fields->f_op_bit8; 1020 break; 1021 case XC16X_OPERAND_BITONE : 1022 value = fields->f_op_onebit; 1023 break; 1024 case XC16X_OPERAND_CADDR : 1025 value = fields->f_offset16; 1026 break; 1027 case XC16X_OPERAND_COND : 1028 value = fields->f_condcode; 1029 break; 1030 case XC16X_OPERAND_DATA8 : 1031 value = fields->f_data8; 1032 break; 1033 case XC16X_OPERAND_DATAHI8 : 1034 value = fields->f_datahi8; 1035 break; 1036 case XC16X_OPERAND_DOT : 1037 value = 0; 1038 break; 1039 case XC16X_OPERAND_DR : 1040 value = fields->f_r1; 1041 break; 1042 case XC16X_OPERAND_DRB : 1043 value = fields->f_r1; 1044 break; 1045 case XC16X_OPERAND_DRI : 1046 value = fields->f_r4; 1047 break; 1048 case XC16X_OPERAND_EXTCOND : 1049 value = fields->f_extccode; 1050 break; 1051 case XC16X_OPERAND_GENREG : 1052 value = fields->f_regb8; 1053 break; 1054 case XC16X_OPERAND_HASH : 1055 value = 0; 1056 break; 1057 case XC16X_OPERAND_ICOND : 1058 value = fields->f_icondcode; 1059 break; 1060 case XC16X_OPERAND_LBIT2 : 1061 value = fields->f_op_lbit2; 1062 break; 1063 case XC16X_OPERAND_LBIT4 : 1064 value = fields->f_op_lbit4; 1065 break; 1066 case XC16X_OPERAND_MASK8 : 1067 value = fields->f_mask8; 1068 break; 1069 case XC16X_OPERAND_MASKLO8 : 1070 value = fields->f_datahi8; 1071 break; 1072 case XC16X_OPERAND_MEMGR8 : 1073 value = fields->f_memgr8; 1074 break; 1075 case XC16X_OPERAND_MEMORY : 1076 value = fields->f_memory; 1077 break; 1078 case XC16X_OPERAND_PAG : 1079 value = 0; 1080 break; 1081 case XC16X_OPERAND_PAGENUM : 1082 value = fields->f_pagenum; 1083 break; 1084 case XC16X_OPERAND_POF : 1085 value = 0; 1086 break; 1087 case XC16X_OPERAND_QBIT : 1088 value = fields->f_qbit; 1089 break; 1090 case XC16X_OPERAND_QHIBIT : 1091 value = fields->f_qhibit; 1092 break; 1093 case XC16X_OPERAND_QLOBIT : 1094 value = fields->f_qlobit; 1095 break; 1096 case XC16X_OPERAND_REG8 : 1097 value = fields->f_reg8; 1098 break; 1099 case XC16X_OPERAND_REGB8 : 1100 value = fields->f_regb8; 1101 break; 1102 case XC16X_OPERAND_REGBMEM8 : 1103 value = fields->f_regmem8; 1104 break; 1105 case XC16X_OPERAND_REGHI8 : 1106 value = fields->f_reghi8; 1107 break; 1108 case XC16X_OPERAND_REGMEM8 : 1109 value = fields->f_regmem8; 1110 break; 1111 case XC16X_OPERAND_REGOFF8 : 1112 value = fields->f_regoff8; 1113 break; 1114 case XC16X_OPERAND_REL : 1115 value = fields->f_rel8; 1116 break; 1117 case XC16X_OPERAND_RELHI : 1118 value = fields->f_relhi8; 1119 break; 1120 case XC16X_OPERAND_SEG : 1121 value = fields->f_seg8; 1122 break; 1123 case XC16X_OPERAND_SEGHI8 : 1124 value = fields->f_segnum8; 1125 break; 1126 case XC16X_OPERAND_SEGM : 1127 value = 0; 1128 break; 1129 case XC16X_OPERAND_SOF : 1130 value = 0; 1131 break; 1132 case XC16X_OPERAND_SR : 1133 value = fields->f_r2; 1134 break; 1135 case XC16X_OPERAND_SR2 : 1136 value = fields->f_r0; 1137 break; 1138 case XC16X_OPERAND_SRB : 1139 value = fields->f_r2; 1140 break; 1141 case XC16X_OPERAND_SRC1 : 1142 value = fields->f_r1; 1143 break; 1144 case XC16X_OPERAND_SRC2 : 1145 value = fields->f_r2; 1146 break; 1147 case XC16X_OPERAND_SRDIV : 1148 value = fields->f_reg8; 1149 break; 1150 case XC16X_OPERAND_U4 : 1151 value = fields->f_uimm4; 1152 break; 1153 case XC16X_OPERAND_UIMM16 : 1154 value = fields->f_uimm16; 1155 break; 1156 case XC16X_OPERAND_UIMM2 : 1157 value = fields->f_uimm2; 1158 break; 1159 case XC16X_OPERAND_UIMM3 : 1160 value = fields->f_uimm3; 1161 break; 1162 case XC16X_OPERAND_UIMM4 : 1163 value = fields->f_uimm4; 1164 break; 1165 case XC16X_OPERAND_UIMM7 : 1166 value = fields->f_uimm7; 1167 break; 1168 case XC16X_OPERAND_UIMM8 : 1169 value = fields->f_uimm8; 1170 break; 1171 case XC16X_OPERAND_UPAG16 : 1172 value = fields->f_uimm16; 1173 break; 1174 case XC16X_OPERAND_UPOF16 : 1175 value = fields->f_memory; 1176 break; 1177 case XC16X_OPERAND_USEG16 : 1178 value = fields->f_offset16; 1179 break; 1180 case XC16X_OPERAND_USEG8 : 1181 value = fields->f_seg8; 1182 break; 1183 case XC16X_OPERAND_USOF16 : 1184 value = fields->f_offset16; 1185 break; 1186 1187 default : 1188 /* xgettext:c-format */ 1189 fprintf (stderr, _("Unrecognized field %d while getting int operand.\n"), 1190 opindex); 1191 abort (); 1192 } 1193 1194 return value; 1195 } 1196 1197 bfd_vma 1198 xc16x_cgen_get_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 1199 int opindex, 1200 const CGEN_FIELDS * fields) 1201 { 1202 bfd_vma value; 1203 1204 switch (opindex) 1205 { 1206 case XC16X_OPERAND_REGNAM : 1207 value = fields->f_reg8; 1208 break; 1209 case XC16X_OPERAND_BIT01 : 1210 value = fields->f_op_1bit; 1211 break; 1212 case XC16X_OPERAND_BIT1 : 1213 value = fields->f_op_bit1; 1214 break; 1215 case XC16X_OPERAND_BIT2 : 1216 value = fields->f_op_bit2; 1217 break; 1218 case XC16X_OPERAND_BIT4 : 1219 value = fields->f_op_bit4; 1220 break; 1221 case XC16X_OPERAND_BIT8 : 1222 value = fields->f_op_bit8; 1223 break; 1224 case XC16X_OPERAND_BITONE : 1225 value = fields->f_op_onebit; 1226 break; 1227 case XC16X_OPERAND_CADDR : 1228 value = fields->f_offset16; 1229 break; 1230 case XC16X_OPERAND_COND : 1231 value = fields->f_condcode; 1232 break; 1233 case XC16X_OPERAND_DATA8 : 1234 value = fields->f_data8; 1235 break; 1236 case XC16X_OPERAND_DATAHI8 : 1237 value = fields->f_datahi8; 1238 break; 1239 case XC16X_OPERAND_DOT : 1240 value = 0; 1241 break; 1242 case XC16X_OPERAND_DR : 1243 value = fields->f_r1; 1244 break; 1245 case XC16X_OPERAND_DRB : 1246 value = fields->f_r1; 1247 break; 1248 case XC16X_OPERAND_DRI : 1249 value = fields->f_r4; 1250 break; 1251 case XC16X_OPERAND_EXTCOND : 1252 value = fields->f_extccode; 1253 break; 1254 case XC16X_OPERAND_GENREG : 1255 value = fields->f_regb8; 1256 break; 1257 case XC16X_OPERAND_HASH : 1258 value = 0; 1259 break; 1260 case XC16X_OPERAND_ICOND : 1261 value = fields->f_icondcode; 1262 break; 1263 case XC16X_OPERAND_LBIT2 : 1264 value = fields->f_op_lbit2; 1265 break; 1266 case XC16X_OPERAND_LBIT4 : 1267 value = fields->f_op_lbit4; 1268 break; 1269 case XC16X_OPERAND_MASK8 : 1270 value = fields->f_mask8; 1271 break; 1272 case XC16X_OPERAND_MASKLO8 : 1273 value = fields->f_datahi8; 1274 break; 1275 case XC16X_OPERAND_MEMGR8 : 1276 value = fields->f_memgr8; 1277 break; 1278 case XC16X_OPERAND_MEMORY : 1279 value = fields->f_memory; 1280 break; 1281 case XC16X_OPERAND_PAG : 1282 value = 0; 1283 break; 1284 case XC16X_OPERAND_PAGENUM : 1285 value = fields->f_pagenum; 1286 break; 1287 case XC16X_OPERAND_POF : 1288 value = 0; 1289 break; 1290 case XC16X_OPERAND_QBIT : 1291 value = fields->f_qbit; 1292 break; 1293 case XC16X_OPERAND_QHIBIT : 1294 value = fields->f_qhibit; 1295 break; 1296 case XC16X_OPERAND_QLOBIT : 1297 value = fields->f_qlobit; 1298 break; 1299 case XC16X_OPERAND_REG8 : 1300 value = fields->f_reg8; 1301 break; 1302 case XC16X_OPERAND_REGB8 : 1303 value = fields->f_regb8; 1304 break; 1305 case XC16X_OPERAND_REGBMEM8 : 1306 value = fields->f_regmem8; 1307 break; 1308 case XC16X_OPERAND_REGHI8 : 1309 value = fields->f_reghi8; 1310 break; 1311 case XC16X_OPERAND_REGMEM8 : 1312 value = fields->f_regmem8; 1313 break; 1314 case XC16X_OPERAND_REGOFF8 : 1315 value = fields->f_regoff8; 1316 break; 1317 case XC16X_OPERAND_REL : 1318 value = fields->f_rel8; 1319 break; 1320 case XC16X_OPERAND_RELHI : 1321 value = fields->f_relhi8; 1322 break; 1323 case XC16X_OPERAND_SEG : 1324 value = fields->f_seg8; 1325 break; 1326 case XC16X_OPERAND_SEGHI8 : 1327 value = fields->f_segnum8; 1328 break; 1329 case XC16X_OPERAND_SEGM : 1330 value = 0; 1331 break; 1332 case XC16X_OPERAND_SOF : 1333 value = 0; 1334 break; 1335 case XC16X_OPERAND_SR : 1336 value = fields->f_r2; 1337 break; 1338 case XC16X_OPERAND_SR2 : 1339 value = fields->f_r0; 1340 break; 1341 case XC16X_OPERAND_SRB : 1342 value = fields->f_r2; 1343 break; 1344 case XC16X_OPERAND_SRC1 : 1345 value = fields->f_r1; 1346 break; 1347 case XC16X_OPERAND_SRC2 : 1348 value = fields->f_r2; 1349 break; 1350 case XC16X_OPERAND_SRDIV : 1351 value = fields->f_reg8; 1352 break; 1353 case XC16X_OPERAND_U4 : 1354 value = fields->f_uimm4; 1355 break; 1356 case XC16X_OPERAND_UIMM16 : 1357 value = fields->f_uimm16; 1358 break; 1359 case XC16X_OPERAND_UIMM2 : 1360 value = fields->f_uimm2; 1361 break; 1362 case XC16X_OPERAND_UIMM3 : 1363 value = fields->f_uimm3; 1364 break; 1365 case XC16X_OPERAND_UIMM4 : 1366 value = fields->f_uimm4; 1367 break; 1368 case XC16X_OPERAND_UIMM7 : 1369 value = fields->f_uimm7; 1370 break; 1371 case XC16X_OPERAND_UIMM8 : 1372 value = fields->f_uimm8; 1373 break; 1374 case XC16X_OPERAND_UPAG16 : 1375 value = fields->f_uimm16; 1376 break; 1377 case XC16X_OPERAND_UPOF16 : 1378 value = fields->f_memory; 1379 break; 1380 case XC16X_OPERAND_USEG16 : 1381 value = fields->f_offset16; 1382 break; 1383 case XC16X_OPERAND_USEG8 : 1384 value = fields->f_seg8; 1385 break; 1386 case XC16X_OPERAND_USOF16 : 1387 value = fields->f_offset16; 1388 break; 1389 1390 default : 1391 /* xgettext:c-format */ 1392 fprintf (stderr, _("Unrecognized field %d while getting vma operand.\n"), 1393 opindex); 1394 abort (); 1395 } 1396 1397 return value; 1398 } 1399 1400 void xc16x_cgen_set_int_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, int); 1401 void xc16x_cgen_set_vma_operand (CGEN_CPU_DESC, int, CGEN_FIELDS *, bfd_vma); 1402 1403 /* Stuffing values in cgen_fields is handled by a collection of functions. 1404 They are distinguished by the type of the VALUE argument they accept. 1405 TODO: floating point, inlining support, remove cases where argument type 1406 not appropriate. */ 1407 1408 void 1409 xc16x_cgen_set_int_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 1410 int opindex, 1411 CGEN_FIELDS * fields, 1412 int value) 1413 { 1414 switch (opindex) 1415 { 1416 case XC16X_OPERAND_REGNAM : 1417 fields->f_reg8 = value; 1418 break; 1419 case XC16X_OPERAND_BIT01 : 1420 fields->f_op_1bit = value; 1421 break; 1422 case XC16X_OPERAND_BIT1 : 1423 fields->f_op_bit1 = value; 1424 break; 1425 case XC16X_OPERAND_BIT2 : 1426 fields->f_op_bit2 = value; 1427 break; 1428 case XC16X_OPERAND_BIT4 : 1429 fields->f_op_bit4 = value; 1430 break; 1431 case XC16X_OPERAND_BIT8 : 1432 fields->f_op_bit8 = value; 1433 break; 1434 case XC16X_OPERAND_BITONE : 1435 fields->f_op_onebit = value; 1436 break; 1437 case XC16X_OPERAND_CADDR : 1438 fields->f_offset16 = value; 1439 break; 1440 case XC16X_OPERAND_COND : 1441 fields->f_condcode = value; 1442 break; 1443 case XC16X_OPERAND_DATA8 : 1444 fields->f_data8 = value; 1445 break; 1446 case XC16X_OPERAND_DATAHI8 : 1447 fields->f_datahi8 = value; 1448 break; 1449 case XC16X_OPERAND_DOT : 1450 break; 1451 case XC16X_OPERAND_DR : 1452 fields->f_r1 = value; 1453 break; 1454 case XC16X_OPERAND_DRB : 1455 fields->f_r1 = value; 1456 break; 1457 case XC16X_OPERAND_DRI : 1458 fields->f_r4 = value; 1459 break; 1460 case XC16X_OPERAND_EXTCOND : 1461 fields->f_extccode = value; 1462 break; 1463 case XC16X_OPERAND_GENREG : 1464 fields->f_regb8 = value; 1465 break; 1466 case XC16X_OPERAND_HASH : 1467 break; 1468 case XC16X_OPERAND_ICOND : 1469 fields->f_icondcode = value; 1470 break; 1471 case XC16X_OPERAND_LBIT2 : 1472 fields->f_op_lbit2 = value; 1473 break; 1474 case XC16X_OPERAND_LBIT4 : 1475 fields->f_op_lbit4 = value; 1476 break; 1477 case XC16X_OPERAND_MASK8 : 1478 fields->f_mask8 = value; 1479 break; 1480 case XC16X_OPERAND_MASKLO8 : 1481 fields->f_datahi8 = value; 1482 break; 1483 case XC16X_OPERAND_MEMGR8 : 1484 fields->f_memgr8 = value; 1485 break; 1486 case XC16X_OPERAND_MEMORY : 1487 fields->f_memory = value; 1488 break; 1489 case XC16X_OPERAND_PAG : 1490 break; 1491 case XC16X_OPERAND_PAGENUM : 1492 fields->f_pagenum = value; 1493 break; 1494 case XC16X_OPERAND_POF : 1495 break; 1496 case XC16X_OPERAND_QBIT : 1497 fields->f_qbit = value; 1498 break; 1499 case XC16X_OPERAND_QHIBIT : 1500 fields->f_qhibit = value; 1501 break; 1502 case XC16X_OPERAND_QLOBIT : 1503 fields->f_qlobit = value; 1504 break; 1505 case XC16X_OPERAND_REG8 : 1506 fields->f_reg8 = value; 1507 break; 1508 case XC16X_OPERAND_REGB8 : 1509 fields->f_regb8 = value; 1510 break; 1511 case XC16X_OPERAND_REGBMEM8 : 1512 fields->f_regmem8 = value; 1513 break; 1514 case XC16X_OPERAND_REGHI8 : 1515 fields->f_reghi8 = value; 1516 break; 1517 case XC16X_OPERAND_REGMEM8 : 1518 fields->f_regmem8 = value; 1519 break; 1520 case XC16X_OPERAND_REGOFF8 : 1521 fields->f_regoff8 = value; 1522 break; 1523 case XC16X_OPERAND_REL : 1524 fields->f_rel8 = value; 1525 break; 1526 case XC16X_OPERAND_RELHI : 1527 fields->f_relhi8 = value; 1528 break; 1529 case XC16X_OPERAND_SEG : 1530 fields->f_seg8 = value; 1531 break; 1532 case XC16X_OPERAND_SEGHI8 : 1533 fields->f_segnum8 = value; 1534 break; 1535 case XC16X_OPERAND_SEGM : 1536 break; 1537 case XC16X_OPERAND_SOF : 1538 break; 1539 case XC16X_OPERAND_SR : 1540 fields->f_r2 = value; 1541 break; 1542 case XC16X_OPERAND_SR2 : 1543 fields->f_r0 = value; 1544 break; 1545 case XC16X_OPERAND_SRB : 1546 fields->f_r2 = value; 1547 break; 1548 case XC16X_OPERAND_SRC1 : 1549 fields->f_r1 = value; 1550 break; 1551 case XC16X_OPERAND_SRC2 : 1552 fields->f_r2 = value; 1553 break; 1554 case XC16X_OPERAND_SRDIV : 1555 fields->f_reg8 = value; 1556 break; 1557 case XC16X_OPERAND_U4 : 1558 fields->f_uimm4 = value; 1559 break; 1560 case XC16X_OPERAND_UIMM16 : 1561 fields->f_uimm16 = value; 1562 break; 1563 case XC16X_OPERAND_UIMM2 : 1564 fields->f_uimm2 = value; 1565 break; 1566 case XC16X_OPERAND_UIMM3 : 1567 fields->f_uimm3 = value; 1568 break; 1569 case XC16X_OPERAND_UIMM4 : 1570 fields->f_uimm4 = value; 1571 break; 1572 case XC16X_OPERAND_UIMM7 : 1573 fields->f_uimm7 = value; 1574 break; 1575 case XC16X_OPERAND_UIMM8 : 1576 fields->f_uimm8 = value; 1577 break; 1578 case XC16X_OPERAND_UPAG16 : 1579 fields->f_uimm16 = value; 1580 break; 1581 case XC16X_OPERAND_UPOF16 : 1582 fields->f_memory = value; 1583 break; 1584 case XC16X_OPERAND_USEG16 : 1585 fields->f_offset16 = value; 1586 break; 1587 case XC16X_OPERAND_USEG8 : 1588 fields->f_seg8 = value; 1589 break; 1590 case XC16X_OPERAND_USOF16 : 1591 fields->f_offset16 = value; 1592 break; 1593 1594 default : 1595 /* xgettext:c-format */ 1596 fprintf (stderr, _("Unrecognized field %d while setting int operand.\n"), 1597 opindex); 1598 abort (); 1599 } 1600 } 1601 1602 void 1603 xc16x_cgen_set_vma_operand (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED, 1604 int opindex, 1605 CGEN_FIELDS * fields, 1606 bfd_vma value) 1607 { 1608 switch (opindex) 1609 { 1610 case XC16X_OPERAND_REGNAM : 1611 fields->f_reg8 = value; 1612 break; 1613 case XC16X_OPERAND_BIT01 : 1614 fields->f_op_1bit = value; 1615 break; 1616 case XC16X_OPERAND_BIT1 : 1617 fields->f_op_bit1 = value; 1618 break; 1619 case XC16X_OPERAND_BIT2 : 1620 fields->f_op_bit2 = value; 1621 break; 1622 case XC16X_OPERAND_BIT4 : 1623 fields->f_op_bit4 = value; 1624 break; 1625 case XC16X_OPERAND_BIT8 : 1626 fields->f_op_bit8 = value; 1627 break; 1628 case XC16X_OPERAND_BITONE : 1629 fields->f_op_onebit = value; 1630 break; 1631 case XC16X_OPERAND_CADDR : 1632 fields->f_offset16 = value; 1633 break; 1634 case XC16X_OPERAND_COND : 1635 fields->f_condcode = value; 1636 break; 1637 case XC16X_OPERAND_DATA8 : 1638 fields->f_data8 = value; 1639 break; 1640 case XC16X_OPERAND_DATAHI8 : 1641 fields->f_datahi8 = value; 1642 break; 1643 case XC16X_OPERAND_DOT : 1644 break; 1645 case XC16X_OPERAND_DR : 1646 fields->f_r1 = value; 1647 break; 1648 case XC16X_OPERAND_DRB : 1649 fields->f_r1 = value; 1650 break; 1651 case XC16X_OPERAND_DRI : 1652 fields->f_r4 = value; 1653 break; 1654 case XC16X_OPERAND_EXTCOND : 1655 fields->f_extccode = value; 1656 break; 1657 case XC16X_OPERAND_GENREG : 1658 fields->f_regb8 = value; 1659 break; 1660 case XC16X_OPERAND_HASH : 1661 break; 1662 case XC16X_OPERAND_ICOND : 1663 fields->f_icondcode = value; 1664 break; 1665 case XC16X_OPERAND_LBIT2 : 1666 fields->f_op_lbit2 = value; 1667 break; 1668 case XC16X_OPERAND_LBIT4 : 1669 fields->f_op_lbit4 = value; 1670 break; 1671 case XC16X_OPERAND_MASK8 : 1672 fields->f_mask8 = value; 1673 break; 1674 case XC16X_OPERAND_MASKLO8 : 1675 fields->f_datahi8 = value; 1676 break; 1677 case XC16X_OPERAND_MEMGR8 : 1678 fields->f_memgr8 = value; 1679 break; 1680 case XC16X_OPERAND_MEMORY : 1681 fields->f_memory = value; 1682 break; 1683 case XC16X_OPERAND_PAG : 1684 break; 1685 case XC16X_OPERAND_PAGENUM : 1686 fields->f_pagenum = value; 1687 break; 1688 case XC16X_OPERAND_POF : 1689 break; 1690 case XC16X_OPERAND_QBIT : 1691 fields->f_qbit = value; 1692 break; 1693 case XC16X_OPERAND_QHIBIT : 1694 fields->f_qhibit = value; 1695 break; 1696 case XC16X_OPERAND_QLOBIT : 1697 fields->f_qlobit = value; 1698 break; 1699 case XC16X_OPERAND_REG8 : 1700 fields->f_reg8 = value; 1701 break; 1702 case XC16X_OPERAND_REGB8 : 1703 fields->f_regb8 = value; 1704 break; 1705 case XC16X_OPERAND_REGBMEM8 : 1706 fields->f_regmem8 = value; 1707 break; 1708 case XC16X_OPERAND_REGHI8 : 1709 fields->f_reghi8 = value; 1710 break; 1711 case XC16X_OPERAND_REGMEM8 : 1712 fields->f_regmem8 = value; 1713 break; 1714 case XC16X_OPERAND_REGOFF8 : 1715 fields->f_regoff8 = value; 1716 break; 1717 case XC16X_OPERAND_REL : 1718 fields->f_rel8 = value; 1719 break; 1720 case XC16X_OPERAND_RELHI : 1721 fields->f_relhi8 = value; 1722 break; 1723 case XC16X_OPERAND_SEG : 1724 fields->f_seg8 = value; 1725 break; 1726 case XC16X_OPERAND_SEGHI8 : 1727 fields->f_segnum8 = value; 1728 break; 1729 case XC16X_OPERAND_SEGM : 1730 break; 1731 case XC16X_OPERAND_SOF : 1732 break; 1733 case XC16X_OPERAND_SR : 1734 fields->f_r2 = value; 1735 break; 1736 case XC16X_OPERAND_SR2 : 1737 fields->f_r0 = value; 1738 break; 1739 case XC16X_OPERAND_SRB : 1740 fields->f_r2 = value; 1741 break; 1742 case XC16X_OPERAND_SRC1 : 1743 fields->f_r1 = value; 1744 break; 1745 case XC16X_OPERAND_SRC2 : 1746 fields->f_r2 = value; 1747 break; 1748 case XC16X_OPERAND_SRDIV : 1749 fields->f_reg8 = value; 1750 break; 1751 case XC16X_OPERAND_U4 : 1752 fields->f_uimm4 = value; 1753 break; 1754 case XC16X_OPERAND_UIMM16 : 1755 fields->f_uimm16 = value; 1756 break; 1757 case XC16X_OPERAND_UIMM2 : 1758 fields->f_uimm2 = value; 1759 break; 1760 case XC16X_OPERAND_UIMM3 : 1761 fields->f_uimm3 = value; 1762 break; 1763 case XC16X_OPERAND_UIMM4 : 1764 fields->f_uimm4 = value; 1765 break; 1766 case XC16X_OPERAND_UIMM7 : 1767 fields->f_uimm7 = value; 1768 break; 1769 case XC16X_OPERAND_UIMM8 : 1770 fields->f_uimm8 = value; 1771 break; 1772 case XC16X_OPERAND_UPAG16 : 1773 fields->f_uimm16 = value; 1774 break; 1775 case XC16X_OPERAND_UPOF16 : 1776 fields->f_memory = value; 1777 break; 1778 case XC16X_OPERAND_USEG16 : 1779 fields->f_offset16 = value; 1780 break; 1781 case XC16X_OPERAND_USEG8 : 1782 fields->f_seg8 = value; 1783 break; 1784 case XC16X_OPERAND_USOF16 : 1785 fields->f_offset16 = value; 1786 break; 1787 1788 default : 1789 /* xgettext:c-format */ 1790 fprintf (stderr, _("Unrecognized field %d while setting vma operand.\n"), 1791 opindex); 1792 abort (); 1793 } 1794 } 1795 1796 /* Function to call before using the instruction builder tables. */ 1797 1798 void 1799 xc16x_cgen_init_ibld_table (CGEN_CPU_DESC cd) 1800 { 1801 cd->insert_handlers = & xc16x_cgen_insert_handlers[0]; 1802 cd->extract_handlers = & xc16x_cgen_extract_handlers[0]; 1803 1804 cd->insert_operand = xc16x_cgen_insert_operand; 1805 cd->extract_operand = xc16x_cgen_extract_operand; 1806 1807 cd->get_int_operand = xc16x_cgen_get_int_operand; 1808 cd->set_int_operand = xc16x_cgen_set_int_operand; 1809 cd->get_vma_operand = xc16x_cgen_get_vma_operand; 1810 cd->set_vma_operand = xc16x_cgen_set_vma_operand; 1811 } 1812