assembler/parser.y

   1 %{
   2
   3 /*
   4  *   Copyright (C) 2006-2007  Michael Buesch <mb@bu3sch.de>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  */
  15
  16 #include "main.h"
  17 #include "initvals.h"
  18 #include "util.h"
  19
  20 #include <stdlib.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdint.h>
  24
  25 extern char *yytext;
  26 extern void yyerror(char *);
  27 extern int yyparse(void);
  28 extern int yylex(void);
  29
  30 static struct operand * store_oper_sanity(struct operand *oper);
  31 static void assembler_assertion_failed(void);
  32
  33 /* The current .section */
  34 extern int section;
  35 /* Pointer to the current initvals section data structure. */
  36 extern struct initvals_sect *cur_initvals_sect;
  37
  38 %}
  39
  40 %token SECTION_TEXT SECTION_IVALS
  41
  42 %token ASM_ARCH ASM_START ASM_ASSERT SPR GPR OFFR LR COMMA SEMICOLON BRACK_OPEN BRACK_CLOSE PAREN_OPEN PAREN_CLOSE HEXNUM DECNUM ARCH_NEWWORLD ARCH_OLDWORLD LABEL IDENT LABELREF
  43
  44 %token EQUAL NOT_EQUAL LOGICAL_OR LOGICAL_AND PLUS MINUS MULTIPLY DIVIDE BITW_OR BITW_AND BITW_XOR BITW_NOT LEFTSHIFT RIGHTSHIFT
  45
  46 %token OP_ADD OP_ADDSC OP_ADDC OP_ADDSCC OP_SUB OP_SUBSC OP_SUBC OP_SUBSCC OP_SRA OP_OR OP_AND OP_XOR OP_SR OP_SRX OP_SL OP_RL OP_RR OP_NAND OP_ORX OP_MOV OP_JMP OP_JAND OP_JNAND OP_JS OP_JNS OP_JE OP_JNE OP_JLS OP_JGES OP_JGS OP_JLES OP_JL OP_JGE OP_JG OP_JLE OP_JZX OP_JNZX OP_JEXT OP_JNEXT OP_CALL OP_RET OP_TKIPH OP_TKIPHS OP_TKIPL OP_TKIPLS OP_NAP RAW_CODE
  47
  48 %token IVAL_MMIO16 IVAL_MMIO32 IVAL_PHY IVAL_RADIO IVAL_SHM16 IVAL_SHM32 IVAL_TRAM
  49
  50 %start line
  51
  52 %%
  53
  54 line    : line_terminator {
  55                 /* empty */
  56           }
  57         | line statement line_terminator {
  58                 struct statement *s = $2;
  59                 if (s) {
  60                         if (section != SECTION_TEXT)
  61                                 yyerror("Microcode text instruction in non .text section");
  62                         memcpy(&s->info, &cur_lineinfo, sizeof(struct lineinfo));
  63                         list_add_tail(&s->list, &infile.sl);
  64                 }
  65           }
  66         | line section_switch line_terminator {
  67           }
  68         | line ivals_write line_terminator {
  69                 struct initval_op *io = $2;
  70                 if (section != SECTION_IVALS)
  71                         yyerror("InitVals write in non .initvals section");
  72                 memcpy(&io->info, &cur_lineinfo, sizeof(struct lineinfo));
  73                 INIT_LIST_HEAD(&io->list);
  74                 list_add_tail(&io->list, &cur_initvals_sect->ops);
  75           }
  76         ;
  77
  78 /* Allow terminating lines with the ";" char */
  79 line_terminator : /* Nothing */
  80                 | SEMICOLON line_terminator
  81                 ;
  82
  83 section_switch  : SECTION_TEXT {
  84                         section = SECTION_TEXT;
  85                   }
  86                 | SECTION_IVALS PAREN_OPEN identifier PAREN_CLOSE {
  87                         const char *sectname = $3;
  88                         struct initvals_sect *s;
  89                         cur_initvals_sect = NULL;
  90                         /* Search if there already is a section by that name. */
  91                         list_for_each_entry(s, &infile.ivals, list) {
  92                                 if (strcmp(sectname, s->name) == 0)
  93                                         cur_initvals_sect = s;
  94                         }
  95                         if (!cur_initvals_sect) {
  96                                 /* Not found, create a new one. */
  97                                 s = xmalloc(sizeof(struct initvals_sect));
  98                                 s->name = sectname;
  99                                 INIT_LIST_HEAD(&s->ops);
 100                                 INIT_LIST_HEAD(&s->list);
 101                                 list_add_tail(&s->list, &infile.ivals);
 102                                 cur_initvals_sect = s;
 103                         }
 104                         section = SECTION_IVALS;
 105                   }
 106                 ;
 107
 108 ivals_write     : IVAL_MMIO16 imm_value COMMA imm_value {
 109                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 110                         iop->type = IVAL_W_MMIO16;
 111                         iop->args[0] = (unsigned int)(unsigned long)$2;
 112                         iop->args[1] = (unsigned int)(unsigned long)$4;
 113                         $$ = iop;
 114                   }
 115                 | IVAL_MMIO32 imm_value COMMA imm_value {
 116                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 117                         iop->type = IVAL_W_MMIO32;
 118                         iop->args[0] = (unsigned int)(unsigned long)$2;
 119                         iop->args[1] = (unsigned int)(unsigned long)$4;
 120                         $$ = iop;
 121                   }
 122                 | IVAL_PHY imm_value COMMA imm_value {
 123                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 124                         iop->type = IVAL_W_PHY;
 125                         iop->args[0] = (unsigned int)(unsigned long)$2;
 126                         iop->args[1] = (unsigned int)(unsigned long)$4;
 127                         $$ = iop;
 128                   }
 129                 | IVAL_RADIO imm_value COMMA imm_value {
 130                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 131                         iop->type = IVAL_W_RADIO;
 132                         iop->args[0] = (unsigned int)(unsigned long)$2;
 133                         iop->args[1] = (unsigned int)(unsigned long)$4;
 134                         $$ = iop;
 135                   }
 136                 | IVAL_SHM16 imm_value COMMA imm_value COMMA imm_value {
 137                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 138                         iop->type = IVAL_W_SHM16;
 139                         iop->args[0] = (unsigned int)(unsigned long)$2;
 140                         iop->args[1] = (unsigned int)(unsigned long)$4;
 141                         iop->args[2] = (unsigned int)(unsigned long)$6;
 142                         $$ = iop;
 143                   }
 144                 | IVAL_SHM32 imm_value COMMA imm_value COMMA imm_value {
 145                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 146                         iop->type = IVAL_W_SHM32;
 147                         iop->args[0] = (unsigned int)(unsigned long)$2;
 148                         iop->args[1] = (unsigned int)(unsigned long)$4;
 149                         iop->args[2] = (unsigned int)(unsigned long)$6;
 150                         $$ = iop;
 151                   }
 152                 | IVAL_TRAM imm_value COMMA imm_value {
 153                         struct initval_op *iop = xmalloc(sizeof(struct initval_op));
 154                         iop->type = IVAL_W_TRAM;
 155                         iop->args[0] = (unsigned int)(unsigned long)$2;
 156                         iop->args[1] = (unsigned int)(unsigned long)$4;
 157                         $$ = iop;
 158                   }
 159                 ;
 160
 161 statement       : asmdir {
 162                         struct asmdir *ad = $1;
 163                         if (ad) {
 164                                 struct statement *s = xmalloc(sizeof(struct statement));
 165                                 INIT_LIST_HEAD(&s->list);
 166                                 s->type = STMT_ASMDIR;
 167                                 s->u.asmdir = $1;
 168                                 $$ = s;
 169                         } else
 170                                 $$ = NULL;
 171                   }
 172                 | label {
 173                         struct statement *s = xmalloc(sizeof(struct statement));
 174                         INIT_LIST_HEAD(&s->list);
 175                         s->type = STMT_LABEL;
 176                         s->u.label = $1;
 177                         $$ = s;
 178                   }
 179                 | insn_add {
 180                         struct statement *s = xmalloc(sizeof(struct statement));
 181                         INIT_LIST_HEAD(&s->list);
 182                         s->type = STMT_INSN;
 183                         s->u.insn = $1;
 184                         $$ = s;
 185                   }
 186                 | insn_addsc {
 187                         struct statement *s = xmalloc(sizeof(struct statement));
 188                         INIT_LIST_HEAD(&s->list);
 189                         s->type = STMT_INSN;
 190                         s->u.insn = $1;
 191                         $$ = s;
 192                   }
 193                 | insn_addc {
 194                         struct statement *s = xmalloc(sizeof(struct statement));
 195                         INIT_LIST_HEAD(&s->list);
 196                         s->type = STMT_INSN;
 197                         s->u.insn = $1;
 198                         $$ = s;
 199                   }
 200                 | insn_addscc {
 201                         struct statement *s = xmalloc(sizeof(struct statement));
 202                         INIT_LIST_HEAD(&s->list);
 203                         s->type = STMT_INSN;
 204                         s->u.insn = $1;
 205                         $$ = s;
 206                   }
 207                 | insn_sub {
 208                         struct statement *s = xmalloc(sizeof(struct statement));
 209                         INIT_LIST_HEAD(&s->list);
 210                         s->type = STMT_INSN;
 211                         s->u.insn = $1;
 212                         $$ = s;
 213                   }
 214                 | insn_subsc {
 215                         struct statement *s = xmalloc(sizeof(struct statement));
 216                         INIT_LIST_HEAD(&s->list);
 217                         s->type = STMT_INSN;
 218                         s->u.insn = $1;
 219                         $$ = s;
 220                   }
 221                 | insn_subc {
 222                         struct statement *s = xmalloc(sizeof(struct statement));
 223                         INIT_LIST_HEAD(&s->list);
 224                         s->type = STMT_INSN;
 225                         s->u.insn = $1;
 226                         $$ = s;
 227                   }
 228                 | insn_subscc {
 229                         struct statement *s = xmalloc(sizeof(struct statement));
 230                         INIT_LIST_HEAD(&s->list);
 231                         s->type = STMT_INSN;
 232                         s->u.insn = $1;
 233                         $$ = s;
 234                   }
 235                 | insn_sra {
 236                         struct statement *s = xmalloc(sizeof(struct statement));
 237                         INIT_LIST_HEAD(&s->list);
 238                         s->type = STMT_INSN;
 239                         s->u.insn = $1;
 240                         $$ = s;
 241                   }
 242                 | insn_or {
 243                         struct statement *s = xmalloc(sizeof(struct statement));
 244                         INIT_LIST_HEAD(&s->list);
 245                         s->type = STMT_INSN;
 246                         s->u.insn = $1;
 247                         $$ = s;
 248                   }
 249                 | insn_and {
 250                         struct statement *s = xmalloc(sizeof(struct statement));
 251                         INIT_LIST_HEAD(&s->list);
 252                         s->type = STMT_INSN;
 253                         s->u.insn = $1;
 254                         $$ = s;
 255                   }
 256                 | insn_xor {
 257                         struct statement *s = xmalloc(sizeof(struct statement));
 258                         INIT_LIST_HEAD(&s->list);
 259                         s->type = STMT_INSN;
 260                         s->u.insn = $1;
 261                         $$ = s;
 262                   }
 263                 | insn_sr {
 264                         struct statement *s = xmalloc(sizeof(struct statement));
 265                         INIT_LIST_HEAD(&s->list);
 266                         s->type = STMT_INSN;
 267                         s->u.insn = $1;
 268                         $$ = s;
 269                   }
 270                 | insn_srx {
 271                         struct statement *s = xmalloc(sizeof(struct statement));
 272                         INIT_LIST_HEAD(&s->list);
 273                         s->type = STMT_INSN;
 274                         s->u.insn = $1;
 275                         $$ = s;
 276                   }
 277                 | insn_sl {
 278                         struct statement *s = xmalloc(sizeof(struct statement));
 279                         INIT_LIST_HEAD(&s->list);
 280                         s->type = STMT_INSN;
 281                         s->u.insn = $1;
 282                         $$ = s;
 283                   }
 284                 | insn_rl {
 285                         struct statement *s = xmalloc(sizeof(struct statement));
 286                         INIT_LIST_HEAD(&s->list);
 287                         s->type = STMT_INSN;
 288                         s->u.insn = $1;
 289                         $$ = s;
 290                   }
 291                 | insn_rr {
 292                         struct statement *s = xmalloc(sizeof(struct statement));
 293                         INIT_LIST_HEAD(&s->list);
 294                         s->type = STMT_INSN;
 295                         s->u.insn = $1;
 296                         $$ = s;
 297                   }
 298                 | insn_nand {
 299                         struct statement *s = xmalloc(sizeof(struct statement));
 300                         INIT_LIST_HEAD(&s->list);
 301                         s->type = STMT_INSN;
 302                         s->u.insn = $1;
 303                         $$ = s;
 304                   }
 305                 | insn_orx {
 306                         struct statement *s = xmalloc(sizeof(struct statement));
 307                         INIT_LIST_HEAD(&s->list);
 308                         s->type = STMT_INSN;
 309                         s->u.insn = $1;
 310                         $$ = s;
 311                   }
 312                 | insn_mov {
 313                         struct statement *s = xmalloc(sizeof(struct statement));
 314                         INIT_LIST_HEAD(&s->list);
 315                         s->type = STMT_INSN;
 316                         s->u.insn = $1;
 317                         $$ = s;
 318                   }
 319                 | insn_jmp {
 320                         struct statement *s = xmalloc(sizeof(struct statement));
 321                         INIT_LIST_HEAD(&s->list);
 322                         s->type = STMT_INSN;
 323                         s->u.insn = $1;
 324                         $$ = s;
 325                   }
 326                 | insn_jand {
 327                         struct statement *s = xmalloc(sizeof(struct statement));
 328                         INIT_LIST_HEAD(&s->list);
 329                         s->type = STMT_INSN;
 330                         s->u.insn = $1;
 331                         $$ = s;
 332                   }
 333                 | insn_jnand {
 334                         struct statement *s = xmalloc(sizeof(struct statement));
 335                         INIT_LIST_HEAD(&s->list);
 336                         s->type = STMT_INSN;
 337                         s->u.insn = $1;
 338                         $$ = s;
 339                   }
 340                 | insn_js {
 341                         struct statement *s = xmalloc(sizeof(struct statement));
 342                         INIT_LIST_HEAD(&s->list);
 343                         s->type = STMT_INSN;
 344                         s->u.insn = $1;
 345                         $$ = s;
 346                   }
 347                 | insn_jns {
 348                         struct statement *s = xmalloc(sizeof(struct statement));
 349                         INIT_LIST_HEAD(&s->list);
 350                         s->type = STMT_INSN;
 351                         s->u.insn = $1;
 352                         $$ = s;
 353                   }
 354                 | insn_je {
 355                         struct statement *s = xmalloc(sizeof(struct statement));
 356                         INIT_LIST_HEAD(&s->list);
 357                         s->type = STMT_INSN;
 358                         s->u.insn = $1;
 359                         $$ = s;
 360                   }
 361                 | insn_jne {
 362                         struct statement *s = xmalloc(sizeof(struct statement));
 363                         INIT_LIST_HEAD(&s->list);
 364                         s->type = STMT_INSN;
 365                         s->u.insn = $1;
 366                         $$ = s;
 367                   }
 368                 | insn_jls {
 369                         struct statement *s = xmalloc(sizeof(struct statement));
 370                         INIT_LIST_HEAD(&s->list);
 371                         s->type = STMT_INSN;
 372                         s->u.insn = $1;
 373                         $$ = s;
 374                   }
 375                 | insn_jges {
 376                         struct statement *s = xmalloc(sizeof(struct statement));
 377                         INIT_LIST_HEAD(&s->list);
 378                         s->type = STMT_INSN;
 379                         s->u.insn = $1;
 380                         $$ = s;
 381                   }
 382                 | insn_jgs {
 383                         struct statement *s = xmalloc(sizeof(struct statement));
 384                         INIT_LIST_HEAD(&s->list);
 385                         s->type = STMT_INSN;
 386                         s->u.insn = $1;
 387                         $$ = s;
 388                   }
 389                 | insn_jles {
 390                         struct statement *s = xmalloc(sizeof(struct statement));
 391                         INIT_LIST_HEAD(&s->list);
 392                         s->type = STMT_INSN;
 393                         s->u.insn = $1;
 394                         $$ = s;
 395                   }
 396                 | insn_jl {
 397                         struct statement *s = xmalloc(sizeof(struct statement));
 398                         INIT_LIST_HEAD(&s->list);
 399                         s->type = STMT_INSN;
 400                         s->u.insn = $1;
 401                         $$ = s;
 402                   }
 403                 | insn_jge {
 404                         struct statement *s = xmalloc(sizeof(struct statement));
 405                         INIT_LIST_HEAD(&s->list);
 406                         s->type = STMT_INSN;
 407                         s->u.insn = $1;
 408                         $$ = s;
 409                   }
 410                 | insn_jg {
 411                         struct statement *s = xmalloc(sizeof(struct statement));
 412                         INIT_LIST_HEAD(&s->list);
 413                         s->type = STMT_INSN;
 414                         s->u.insn = $1;
 415                         $$ = s;
 416                   }
 417                 | insn_jle {
 418                         struct statement *s = xmalloc(sizeof(struct statement));
 419                         INIT_LIST_HEAD(&s->list);
 420                         s->type = STMT_INSN;
 421                         s->u.insn = $1;
 422                         $$ = s;
 423                   }
 424                 | insn_jzx {
 425                         struct statement *s = xmalloc(sizeof(struct statement));
 426                         INIT_LIST_HEAD(&s->list);
 427                         s->type = STMT_INSN;
 428                         s->u.insn = $1;
 429                         $$ = s;
 430                   }
 431                 | insn_jnzx {
 432                         struct statement *s = xmalloc(sizeof(struct statement));
 433                         INIT_LIST_HEAD(&s->list);
 434                         s->type = STMT_INSN;
 435                         s->u.insn = $1;
 436                         $$ = s;
 437                   }
 438                 | insn_jext {
 439                         struct statement *s = xmalloc(sizeof(struct statement));
 440                         INIT_LIST_HEAD(&s->list);
 441                         s->type = STMT_INSN;
 442                         s->u.insn = $1;
 443                         $$ = s;
 444                   }
 445                 | insn_jnext {
 446                         struct statement *s = xmalloc(sizeof(struct statement));
 447                         INIT_LIST_HEAD(&s->list);
 448                         s->type = STMT_INSN;
 449                         s->u.insn = $1;
 450                         $$ = s;
 451                   }
 452                 | insn_call {
 453                         struct statement *s = xmalloc(sizeof(struct statement));
 454                         INIT_LIST_HEAD(&s->list);
 455                         s->type = STMT_INSN;
 456                         s->u.insn = $1;
 457                         $$ = s;
 458                   }
 459                 | insn_ret {
 460                         struct statement *s = xmalloc(sizeof(struct statement));
 461                         INIT_LIST_HEAD(&s->list);
 462                         s->type = STMT_INSN;
 463                         s->u.insn = $1;
 464                         $$ = s;
 465                   }
 466                 | insn_tkiph {
 467                         struct statement *s = xmalloc(sizeof(struct statement));
 468                         INIT_LIST_HEAD(&s->list);
 469                         s->type = STMT_INSN;
 470                         s->u.insn = $1;
 471                         $$ = s;
 472                   }
 473                 | insn_tkiphs {
 474                         struct statement *s = xmalloc(sizeof(struct statement));
 475                         INIT_LIST_HEAD(&s->list);
 476                         s->type = STMT_INSN;
 477                         s->u.insn = $1;
 478                         $$ = s;
 479                   }
 480                 | insn_tkipl {
 481                         struct statement *s = xmalloc(sizeof(struct statement));
 482                         INIT_LIST_HEAD(&s->list);
 483                         s->type = STMT_INSN;
 484                         s->u.insn = $1;
 485                         $$ = s;
 486                   }
 487                 | insn_tkipls {
 488                         struct statement *s = xmalloc(sizeof(struct statement));
 489                         INIT_LIST_HEAD(&s->list);
 490                         s->type = STMT_INSN;
 491                         s->u.insn = $1;
 492                         $$ = s;
 493                   }
 494                 | insn_nap {
 495                         struct statement *s = xmalloc(sizeof(struct statement));
 496                         INIT_LIST_HEAD(&s->list);
 497                         s->type = STMT_INSN;
 498                         s->u.insn = $1;
 499                         $$ = s;
 500                   }
 501                 | insn_raw {
 502                         struct statement *s = xmalloc(sizeof(struct statement));
 503                         INIT_LIST_HEAD(&s->list);
 504                         s->type = STMT_INSN;
 505                         s->u.insn = $1;
 506                         $$ = s;
 507                   }
 508                 ;
 509
 510 /* ASM directives */
 511 asmdir          : ASM_ARCH hexnum_decnum {
 512                         struct asmdir *ad = xmalloc(sizeof(struct asmdir));
 513                         ad->type = ADIR_ARCH;
 514                         ad->u.arch = (unsigned int)(unsigned long)$2;
 515                         $$ = ad;
 516                   }
 517                 | ASM_START identifier {
 518                         struct asmdir *ad = xmalloc(sizeof(struct asmdir));
 519                         struct label *label = xmalloc(sizeof(struct label));
 520                         label->name = $2;
 521                         label->direction = LABELREF_ABSOLUTE;
 522                         ad->type = ADIR_START;
 523                         ad->u.start = label;
 524                         $$ = ad;
 525                   }
 526                 | asm_assert {
 527                         $$ = NULL;
 528                   }
 529                 ;
 530
 531 asm_assert      : ASM_ASSERT assertion {
 532                         unsigned int ok = (unsigned int)(unsigned long)$2;
 533                         if (!ok)
 534                                 assembler_assertion_failed();
 535                         $$ = NULL;
 536                   }
 537                 ;
 538
 539 assertion       : PAREN_OPEN assert_expr PAREN_CLOSE {
 540                         $$ = $2;
 541                   }
 542                 | PAREN_OPEN assertion LOGICAL_OR assertion PAREN_CLOSE {
 543                         unsigned int a = (unsigned int)(unsigned long)$2;
 544                         unsigned int b = (unsigned int)(unsigned long)$4;
 545                         unsigned int result = (a || b);
 546                         $$ = (void *)(unsigned long)result;
 547                   }
 548                 | PAREN_OPEN assertion LOGICAL_AND assertion PAREN_CLOSE {
 549                         unsigned int a = (unsigned int)(unsigned long)$2;
 550                         unsigned int b = (unsigned int)(unsigned long)$4;
 551                         unsigned int result = (a && b);
 552                         $$ = (void *)(unsigned long)result;
 553                   }
 554                 ;
 555
 556 assert_expr     : imm_value EQUAL imm_value {
 557                         unsigned int a = (unsigned int)(unsigned long)$1;
 558                         unsigned int b = (unsigned int)(unsigned long)$3;
 559                         unsigned int result = (a == b);
 560                         $$ = (void *)(unsigned long)result;
 561                   }
 562                 | imm_value NOT_EQUAL imm_value {
 563                         unsigned int a = (unsigned int)(unsigned long)$1;
 564                         unsigned int b = (unsigned int)(unsigned long)$3;
 565                         unsigned int result = (a != b);
 566                         $$ = (void *)(unsigned long)result;
 567                   }
 568                 ;
 569
 570 label           : LABEL {
 571                         struct label *label = xmalloc(sizeof(struct label));
 572                         char *l;
 573                         l = xstrdup(yytext);
 574                         l[strlen(l) - 1] = '\0';
 575                         label->name = l;
 576                         $$ = label;
 577                   }
 578                 ;
 579
 580 /* add */
 581 insn_add        : OP_ADD operlist_3 {
 582                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 583                         insn->op = OP_ADD;
 584                         insn->operands = $2;
 585                         $$ = insn;
 586                   }
 587                 ;
 588
 589 /* add. */
 590 insn_addsc      : OP_ADDSC operlist_3 {
 591                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 592                         insn->op = OP_ADDSC;
 593                         insn->operands = $2;
 594                         $$ = insn;
 595                   }
 596                 ;
 597
 598 /* addc */
 599 insn_addc       : OP_ADDC operlist_3 {
 600                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 601                         insn->op = OP_ADDC;
 602                         insn->operands = $2;
 603                         $$ = insn;
 604                   }
 605                 ;
 606
 607 /* addc. */
 608 insn_addscc     : OP_ADDSCC operlist_3 {
 609                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 610                         insn->op = OP_ADDSCC;
 611                         insn->operands = $2;
 612                         $$ = insn;
 613                   }
 614                 ;
 615
 616 /* sub */
 617 insn_sub        : OP_SUB operlist_3 {
 618                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 619                         insn->op = OP_SUB;
 620                         insn->operands = $2;
 621                         $$ = insn;
 622                   }
 623                 ;
 624
 625 /* sub. */
 626 insn_subsc      : OP_SUBSC operlist_3 {
 627                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 628                         insn->op = OP_SUBSC;
 629                         insn->operands = $2;
 630                         $$ = insn;
 631                   }
 632                 ;
 633
 634 /* subc */
 635 insn_subc       : OP_SUBC operlist_3 {
 636                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 637                         insn->op = OP_SUBC;
 638                         insn->operands = $2;
 639                         $$ = insn;
 640                   }
 641                 ;
 642
 643 /* subc. */
 644 insn_subscc     : OP_SUBSCC operlist_3 {
 645                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 646                         insn->op = OP_SUBSCC;
 647                         insn->operands = $2;
 648                         $$ = insn;
 649                   }
 650                 ;
 651
 652 insn_sra        : OP_SRA operlist_3 {
 653                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 654                         insn->op = OP_SRA;
 655                         insn->operands = $2;
 656                         $$ = insn;
 657                   }
 658                 ;
 659
 660 insn_or         : OP_OR operlist_3 {
 661                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 662                         insn->op = OP_OR;
 663                         insn->operands = $2;
 664                         $$ = insn;
 665                   }
 666                 ;
 667
 668 insn_and        : OP_AND operlist_3 {
 669                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 670                         insn->op = OP_AND;
 671                         insn->operands = $2;
 672                         $$ = insn;
 673                   }
 674                 ;
 675
 676 insn_xor        : OP_XOR operlist_3 {
 677                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 678                         insn->op = OP_XOR;
 679                         insn->operands = $2;
 680                         $$ = insn;
 681                   }
 682                 ;
 683
 684 insn_sr         : OP_SR operlist_3 {
 685                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 686                         insn->op = OP_SR;
 687                         insn->operands = $2;
 688                         $$ = insn;
 689                   }
 690                 ;
 691
 692 insn_srx        : OP_SRX extended_operlist {
 693                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 694                         insn->op = OP_SRX;
 695                         insn->operands = $2;
 696                         $$ = insn;
 697                   }
 698                 ;
 699
 700 insn_sl         : OP_SL operlist_3 {
 701                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 702                         insn->op = OP_SL;
 703                         insn->operands = $2;
 704                         $$ = insn;
 705                   }
 706                 ;
 707
 708 insn_rl         : OP_RL operlist_3 {
 709                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 710                         insn->op = OP_RL;
 711                         insn->operands = $2;
 712                         $$ = insn;
 713                   }
 714                 ;
 715
 716 insn_rr         : OP_RR operlist_3 {
 717                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 718                         insn->op = OP_RR;
 719                         insn->operands = $2;
 720                         $$ = insn;
 721                   }
 722                 ;
 723
 724 insn_nand       : OP_NAND operlist_3 {
 725                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 726                         insn->op = OP_NAND;
 727                         insn->operands = $2;
 728                         $$ = insn;
 729                   }
 730                 ;
 731
 732 insn_orx        : OP_ORX extended_operlist {
 733                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 734                         insn->op = OP_ORX;
 735                         insn->operands = $2;
 736                         $$ = insn;
 737                   }
 738                 ;
 739
 740 insn_mov        : OP_MOV operlist_2 {
 741                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 742                         insn->op = OP_MOV;
 743                         insn->operands = $2;
 744                         $$ = insn;
 745                   }
 746                 ;
 747
 748 insn_jmp        : OP_JMP labelref {
 749                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 750                         struct operlist *ol = xmalloc(sizeof(struct operlist));
 751                         ol->oper[0] = $2;
 752                         insn->op = OP_JMP;
 753                         insn->operands = ol;
 754                         $$ = insn;
 755                   }
 756                 ;
 757
 758 insn_jand       : OP_JAND operlist_3 {
 759                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 760                         insn->op = OP_JAND;
 761                         insn->operands = $2;
 762                         $$ = insn;
 763                   }
 764                 ;
 765
 766 insn_jnand      : OP_JNAND operlist_3 {
 767                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 768                         insn->op = OP_JNAND;
 769                         insn->operands = $2;
 770                         $$ = insn;
 771                   }
 772                 ;
 773
 774 insn_js         : OP_JS operlist_3 {
 775                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 776                         insn->op = OP_JS;
 777                         insn->operands = $2;
 778                         $$ = insn;
 779                   }
 780                 ;
 781
 782 insn_jns        : OP_JNS operlist_3 {
 783                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 784                         insn->op = OP_JNS;
 785                         insn->operands = $2;
 786                         $$ = insn;
 787                   }
 788                 ;
 789
 790 insn_je         : OP_JE operlist_3 {
 791                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 792                         insn->op = OP_JE;
 793                         insn->operands = $2;
 794                         $$ = insn;
 795                   }
 796                 ;
 797
 798 insn_jne        : OP_JNE operlist_3 {
 799                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 800                         insn->op = OP_JNE;
 801                         insn->operands = $2;
 802                         $$ = insn;
 803                   }
 804                 ;
 805
 806 insn_jls        : OP_JLS operlist_3 {
 807                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 808                         insn->op = OP_JLS;
 809                         insn->operands = $2;
 810                         $$ = insn;
 811                   }
 812                 ;
 813
 814 insn_jges       : OP_JGES operlist_3 {
 815                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 816                         insn->op = OP_JGES;
 817                         insn->operands = $2;
 818                         $$ = insn;
 819                   }
 820                 ;
 821
 822 insn_jgs        : OP_JGS operlist_3 {
 823                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 824                         insn->op = OP_JGS;
 825                         insn->operands = $2;
 826                         $$ = insn;
 827                   }
 828                 ;
 829
 830 insn_jles       : OP_JLES operlist_3 {
 831                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 832                         insn->op = OP_JLES;
 833                         insn->operands = $2;
 834                         $$ = insn;
 835                   }
 836                 ;
 837
 838 insn_jl         : OP_JL operlist_3 {
 839                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 840                         insn->op = OP_JL;
 841                         insn->operands = $2;
 842                         $$ = insn;
 843                   }
 844                 ;
 845
 846 insn_jge        : OP_JGE operlist_3 {
 847                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 848                         insn->op = OP_JGE;
 849                         insn->operands = $2;
 850                         $$ = insn;
 851                   }
 852                 ;
 853
 854 insn_jg         : OP_JG operlist_3 {
 855                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 856                         insn->op = OP_JG;
 857                         insn->operands = $2;
 858                         $$ = insn;
 859                   }
 860                 ;
 861
 862 insn_jle        : OP_JLE operlist_3 {
 863                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 864                         insn->op = OP_JLE;
 865                         insn->operands = $2;
 866                         $$ = insn;
 867                   }
 868                 ;
 869
 870 insn_jzx        : OP_JZX extended_operlist {
 871                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 872                         insn->op = OP_JZX;
 873                         insn->operands = $2;
 874                         $$ = insn;
 875                   }
 876                 ;
 877
 878 insn_jnzx       : OP_JNZX extended_operlist {
 879                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 880                         insn->op = OP_JNZX;
 881                         insn->operands = $2;
 882                         $$ = insn;
 883                   }
 884                 ;
 885
 886 insn_jext       : OP_JEXT external_jump_operands {
 887                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 888                         insn->op = OP_JEXT;
 889                         insn->operands = $2;
 890                         $$ = insn;
 891                   }
 892                 ;
 893
 894 insn_jnext      : OP_JNEXT external_jump_operands {
 895                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 896                         insn->op = OP_JNEXT;
 897                         insn->operands = $2;
 898                         $$ = insn;
 899                   }
 900                 ;
 901
 902 linkreg         : LR regnr {
 903                         $$ = $2;
 904                   }
 905                 ;
 906
 907 insn_call       : OP_CALL linkreg COMMA labelref {
 908                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 909                         struct operlist *ol = xmalloc(sizeof(struct operlist));
 910                         struct operand *oper_lr = xmalloc(sizeof(struct operand));
 911                         struct operand *oper_zero = xmalloc(sizeof(struct operand));
 912                         oper_zero->type = OPER_RAW;
 913                         oper_zero->u.raw = 0;
 914                         oper_lr->type = OPER_RAW;
 915                         oper_lr->u.raw = (unsigned long)$2;
 916                         ol->oper[0] = oper_lr;
 917                         ol->oper[1] = oper_zero;
 918                         ol->oper[2] = $4;
 919                         insn->op = OP_CALL;
 920                         insn->operands = ol;
 921                         $$ = insn;
 922                   }
 923                 ;
 924
 925 insn_ret        : OP_RET linkreg COMMA linkreg {
 926                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 927                         struct operlist *ol = xmalloc(sizeof(struct operlist));
 928                         struct operand *oper_lr0 = xmalloc(sizeof(struct operand));
 929                         struct operand *oper_lr1 = xmalloc(sizeof(struct operand));
 930                         struct operand *oper_zero = xmalloc(sizeof(struct operand));
 931                         oper_zero->type = OPER_RAW;
 932                         oper_zero->u.raw = 0;
 933                         oper_lr0->type = OPER_RAW;
 934                         oper_lr0->u.raw = (unsigned long)$2;
 935                         oper_lr1->type = OPER_RAW;
 936                         oper_lr1->u.raw = (unsigned long)$4;
 937                         ol->oper[0] = oper_lr0;
 938                         ol->oper[1] = oper_zero;
 939                         ol->oper[2] = oper_lr1;
 940                         insn->op = OP_RET;
 941                         insn->operands = ol;
 942                         $$ = insn;
 943                   }
 944                 ;
 945
 946 insn_tkiph      : OP_TKIPH operlist_2 {
 947                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 948                         struct operlist *ol = $2;
 949                         struct operand *flags = xmalloc(sizeof(struct operand));
 950                         struct immediate *imm = xmalloc(sizeof(struct immediate));
 951                         imm->imm = 0x1;
 952                         flags->type = OPER_IMM;
 953                         flags->u.imm = imm;
 954                         ol->oper[2] = ol->oper[1];
 955                         ol->oper[1] = flags;
 956                         insn->op = OP_TKIPH;
 957                         insn->operands = ol;
 958                         $$ = insn;
 959                   }
 960                 ;
 961
 962 insn_tkiphs     : OP_TKIPHS operlist_2 {
 963                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 964                         struct operlist *ol = $2;
 965                         struct operand *flags = xmalloc(sizeof(struct operand));
 966                         struct immediate *imm = xmalloc(sizeof(struct immediate));
 967                         imm->imm = 0x1 | 0x2;
 968                         flags->type = OPER_IMM;
 969                         flags->u.imm = imm;
 970                         ol->oper[2] = ol->oper[1];
 971                         ol->oper[1] = flags;
 972                         insn->op = OP_TKIPH;
 973                         insn->operands = ol;
 974                         $$ = insn;
 975                   }
 976                 ;
 977
 978 insn_tkipl      : OP_TKIPL operlist_2 {
 979                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 980                         struct operlist *ol = $2;
 981                         struct operand *flags = xmalloc(sizeof(struct operand));
 982                         struct immediate *imm = xmalloc(sizeof(struct immediate));
 983                         imm->imm = 0x0;
 984                         flags->type = OPER_IMM;
 985                         flags->u.imm = imm;
 986                         ol->oper[2] = ol->oper[1];
 987                         ol->oper[1] = flags;
 988                         insn->op = OP_TKIPH;
 989                         insn->operands = ol;
 990                         $$ = insn;
 991                   }
 992                 ;
 993
 994 insn_tkipls     : OP_TKIPLS operlist_2 {
 995                         struct instruction *insn = xmalloc(sizeof(struct instruction));
 996                         struct operlist *ol = $2;
 997                         struct operand *flags = xmalloc(sizeof(struct operand));
 998                         struct immediate *imm = xmalloc(sizeof(struct immediate));
 999                         imm->imm = 0x0 | 0x2;
1000                         flags->type = OPER_IMM;
1001                         flags->u.imm = imm;
1002                         ol->oper[2] = ol->oper[1];
1003                         ol->oper[1] = flags;
1004                         insn->op = OP_TKIPH;
1005                         insn->operands = ol;
1006                         $$ = insn;
1007                   }
1008                 ;
1009
1010 insn_nap        : OP_NAP {
1011                         struct instruction *insn = xmalloc(sizeof(struct instruction));
1012                         struct operlist *ol = xmalloc(sizeof(struct operlist));
1013                         struct operand *regop = xmalloc(sizeof(struct operand));
1014                         struct operand *zeroop = xmalloc(sizeof(struct operand));
1015                         struct registr *r0 = xmalloc(sizeof(struct registr));
1016                         r0->type = GPR;
1017                         r0->nr = 0;
1018                         regop->type = OPER_REG;
1019                         regop->u.reg = r0;
1020                         zeroop->type = OPER_RAW;
1021                         zeroop->u.raw = 0x000;
1022                         ol->oper[0] = regop;
1023                         ol->oper[1] = regop;
1024                         ol->oper[2] = zeroop;
1025                         insn->op = OP_NAP;
1026                         insn->operands = ol;
1027                         $$ = insn;
1028                   }
1029                 ;
1030
1031 insn_raw        : raw_code operlist_3 {
1032                         struct instruction *insn = xmalloc(sizeof(struct instruction));
1033                         insn->op = RAW_CODE;
1034                         insn->operands = $2;
1035                         insn->opcode = (unsigned long)$1;
1036                         $$ = insn;
1037                   }
1038                 ;
1039
1040 raw_code        : RAW_CODE {
1041                         yytext++; /* skip @ */
1042                         $$ = (void *)(unsigned long)strtoul(yytext, NULL, 16);
1043                   }
1044                 ;
1045
1046 extended_operlist : imm_value COMMA imm_value COMMA operand COMMA operand COMMA operand {
1047                         struct operlist *ol = xmalloc(sizeof(struct operlist));
1048                         struct operand *mask_oper = xmalloc(sizeof(struct operand));
1049                         struct operand *shift_oper = xmalloc(sizeof(struct operand));
1050                         mask_oper->type = OPER_RAW;
1051                         mask_oper->u.raw = (unsigned long)$1;
1052                         shift_oper->type = OPER_RAW;
1053                         shift_oper->u.raw = (unsigned long)$3;
1054                         ol->oper[0] = mask_oper;
1055                         ol->oper[1] = shift_oper;
1056                         ol->oper[2] = $5;
1057                         ol->oper[3] = $7;
1058                         ol->oper[4] = store_oper_sanity($9);
1059                         $$ = ol;
1060                   }
1061                 ;
1062
1063 external_jump_operands : imm COMMA labelref {
1064                         struct operlist *ol = xmalloc(sizeof(struct operlist));
1065                         struct operand *cond = xmalloc(sizeof(struct operand));
1066                         cond->type = OPER_IMM;
1067                         cond->u.imm = $1;
1068                         ol->oper[0] = cond;
1069                         ol->oper[1] = $3;
1070                         $$ = ol;
1071                   }
1072                 ;
1073
1074 operlist_2      : operand COMMA operand {
1075                         struct operlist *ol = xmalloc(sizeof(struct operlist));
1076                         ol->oper[0] = $1;
1077                         ol->oper[1] = store_oper_sanity($3);
1078                         $$ = ol;
1079                   }
1080                 ;
1081
1082 operlist_3      : operand COMMA operand COMMA operand {
1083                         struct operlist *ol = xmalloc(sizeof(struct operlist));
1084                         ol->oper[0] = $1;
1085                         ol->oper[1] = $3;
1086                         ol->oper[2] = store_oper_sanity($5);
1087                         $$ = ol;
1088                   }
1089                 ;
1090
1091 operand         : reg {
1092                         struct operand *oper = xmalloc(sizeof(struct operand));
1093                         oper->type = OPER_REG;
1094                         oper->u.reg = $1;
1095                         $$ = oper;
1096                   }
1097                 | mem {
1098                         struct operand *oper = xmalloc(sizeof(struct operand));
1099                         oper->type = OPER_MEM;
1100                         oper->u.mem = $1;
1101                         $$ = oper;
1102                   }
1103                 | raw_code {
1104                         struct operand *oper = xmalloc(sizeof(struct operand));
1105                         oper->type = OPER_RAW;
1106                         oper->u.raw = (unsigned long)$1;
1107                         $$ = oper;
1108                   }
1109                 | imm {
1110                         struct operand *oper = xmalloc(sizeof(struct operand));
1111                         oper->type = OPER_IMM;
1112                         oper->u.imm = $1;
1113                         $$ = oper;
1114                   }
1115                 | labelref {
1116                         $$ = $1;
1117                   }
1118                 ;
1119
1120 reg             : GPR regnr {
1121                         struct registr *reg = xmalloc(sizeof(struct registr));
1122                         reg->type = GPR;
1123                         reg->nr = (unsigned long)$2;
1124                         $$ = reg;
1125                   }
1126                 | SPR {
1127                         struct registr *reg = xmalloc(sizeof(struct registr));
1128                         reg->type = SPR;
1129                         yytext += 3; /* skip "spr" */
1130                         reg->nr = strtoul(yytext, NULL, 16);
1131                         $$ = reg;
1132                   }
1133                 | OFFR regnr {
1134                         struct registr *reg = xmalloc(sizeof(struct registr));
1135                         reg->type = OFFR;
1136                         reg->nr = (unsigned long)$2;
1137                         $$ = reg;
1138                   }
1139                 ;
1140
1141 mem             : BRACK_OPEN imm BRACK_CLOSE {
1142                         struct memory *mem = xmalloc(sizeof(struct memory));
1143                         struct immediate *offset_imm = $2;
1144                         mem->type = MEM_DIRECT;
1145                         mem->offset = offset_imm->imm;
1146                         free(offset_imm);
1147                         $$ = mem;
1148                   }
1149                 | BRACK_OPEN imm COMMA OFFR regnr BRACK_CLOSE {
1150                         struct memory *mem = xmalloc(sizeof(struct memory));
1151                         struct immediate *offset_imm = $2;
1152                         mem->type = MEM_INDIRECT;
1153                         mem->offset = offset_imm->imm;
1154                         free(offset_imm);
1155                         mem->offr_nr = (unsigned long)$5;
1156                         $$ = mem;
1157                   }
1158                 ;
1159
1160 imm             : imm_value {
1161                         struct immediate *imm = xmalloc(sizeof(struct immediate));
1162                         imm->imm = (unsigned long)$1;
1163                         $$ = imm;
1164                   }
1165                 ;
1166
1167 imm_value       : hexnum_decnum {
1168                         $$ = $1;
1169                   }
1170                 | complex_imm {
1171                         $$ = $1;
1172                   }
1173                 ;
1174
1175 complex_imm     : PAREN_OPEN complex_imm_arg complex_imm_oper complex_imm_arg PAREN_CLOSE {
1176                         unsigned long a = (unsigned long)$2;
1177                         unsigned long b = (unsigned long)$4;
1178                         unsigned long operation = (unsigned long)$3;
1179                         unsigned long res = 31337;
1180                         switch (operation) {
1181                         case PLUS:
1182                                 res = a + b;
1183                                 break;
1184                         case MINUS:
1185                                 res = a - b;
1186                                 break;
1187                         case MULTIPLY:
1188                                 res = a * b;
1189                                 break;
1190                         case DIVIDE:
1191                                 res = a / b;
1192                                 break;
1193                         case BITW_OR:
1194                                 res = a | b;
1195                                 break;
1196                         case BITW_AND:
1197                                 res = a & b;
1198                                 break;
1199                         case BITW_XOR:
1200                                 res = a ^ b;
1201                                 break;
1202                         case LEFTSHIFT:
1203                                 res = a << b;
1204                                 break;
1205                         case RIGHTSHIFT:
1206                                 res = a >> b;
1207                                 break;
1208                         default:
1209                                 yyerror("Internal parser BUG. complex_imm oper unknown");
1210                         }
1211                         $$ = (void *)res;
1212                   }
1213                 | PAREN_OPEN complex_imm PAREN_CLOSE {
1214                         $$ = $2;
1215                   }
1216                 | PAREN_OPEN asm_assert PAREN_CLOSE {
1217                         /* Inline assertion. Always return zero */
1218                         $$ = (void *)(unsigned long)(unsigned int)0;
1219                   }
1220                 | PAREN_OPEN BITW_NOT complex_imm PAREN_CLOSE {
1221                         unsigned long n = (unsigned long)$3;
1222                         n = ~n;
1223                         $$ = (void *)n;
1224                   }
1225                 | PAREN_OPEN complex_imm_const PAREN_CLOSE {
1226                         $$ = $2;
1227                   }
1228                 ;
1229
1230 complex_imm_oper : PLUS {
1231                         $$ = (void *)(unsigned long)PLUS;
1232                   }
1233                 | MINUS {
1234                         $$ = (void *)(unsigned long)MINUS;
1235                   }
1236                 | MULTIPLY {
1237                         $$ = (void *)(unsigned long)MULTIPLY;
1238                   }
1239                 | DIVIDE {
1240                         $$ = (void *)(unsigned long)DIVIDE;
1241                   }
1242                 | BITW_OR {
1243                         $$ = (void *)(unsigned long)BITW_OR;
1244                   }
1245                 | BITW_AND {
1246                         $$ = (void *)(unsigned long)BITW_AND;
1247                   }
1248                 | BITW_XOR {
1249                         $$ = (void *)(unsigned long)BITW_XOR;
1250                   }
1251                 | LEFTSHIFT {
1252                         $$ = (void *)(unsigned long)LEFTSHIFT;
1253                   }
1254                 | RIGHTSHIFT {
1255                         $$ = (void *)(unsigned long)RIGHTSHIFT;
1256                   }
1257                 ;
1258
1259 complex_imm_arg : complex_imm_const {
1260                         $$ = $1;
1261                   }
1262                 | complex_imm {
1263                         $$ = $1;
1264                   }
1265                 ;
1266
1267 complex_imm_const : hexnum_decnum {
1268                         $$ = $1;
1269                   }
1270                 | BITW_NOT hexnum_decnum {
1271                         unsigned long n = (unsigned long)$2;
1272                         n = ~n;
1273                         $$ = (void *)n;
1274                   }
1275                 ;
1276
1277 hexnum          : HEXNUM {
1278                         while (yytext[0] != 'x') {
1279                                 if (yytext[0] == '\0')
1280                                         yyerror("Internal HEXNUM parser error");
1281                                 yytext++;
1282                         }
1283                         yytext++;
1284                         $$ = (void *)(unsigned long)strtoul(yytext, NULL, 16);
1285                   }
1286                 ;
1287
1288 decnum          : DECNUM {
1289                         $$ = (void *)(unsigned long)strtol(yytext, NULL, 10);
1290                   }
1291                 ;
1292
1293 hexnum_decnum   : hexnum {
1294                         $$ = $1;
1295                   }
1296                 | decnum {
1297                         $$ = $1;
1298                   }
1299                 ;
1300
1301 labelref        : identifier {
1302                         struct operand *oper = xmalloc(sizeof(struct operand));
1303                         struct label *label = xmalloc(sizeof(struct label));
1304                         label->name = $1;
1305                         label->direction = LABELREF_ABSOLUTE;
1306                         oper->type = OPER_LABEL;
1307                         oper->u.label = label;
1308                         $$ = oper;
1309                   }
1310                 | identifier MINUS {
1311                         struct operand *oper = xmalloc(sizeof(struct operand));
1312                         struct label *label = xmalloc(sizeof(struct label));
1313                         label->name = $1;
1314                         label->direction = LABELREF_RELATIVE_BACK;
1315                         oper->type = OPER_LABEL;
1316                         oper->u.label = label;
1317                         $$ = oper;
1318                   }
1319                 | identifier PLUS {
1320                         struct operand *oper = xmalloc(sizeof(struct operand));
1321                         struct label *label = xmalloc(sizeof(struct label));
1322                         label->name = $1;
1323                         label->direction = LABELREF_RELATIVE_FORWARD;
1324                         oper->type = OPER_LABEL;
1325                         oper->u.label = label;
1326                         $$ = oper;
1327                   }
1328                 ;
1329
1330 regnr           : DECNUM {
1331                         $$ = (void *)(unsigned long)strtoul(yytext, NULL, 10);
1332                   }
1333                 ;
1334
1335 identifier      : IDENT {
1336                         $$ = xstrdup(yytext);
1337                   }
1338                 ;
1339
1340 %%
1341
1342 int section = SECTION_TEXT; /* default to .text section */
1343 struct initvals_sect *cur_initvals_sect;
1344
1345 void yyerror(char *str)
1346 {
1347         unsigned int i;
1348
1349         fprintf(stderr,
1350                 "Parser ERROR (file \"%s\", line %u, col %u):\n",
1351                 cur_lineinfo.file,
1352                 cur_lineinfo.lineno,
1353                 cur_lineinfo.column);
1354         fprintf(stderr, "%s\n", cur_lineinfo.linecopy);
1355         for (i = 0; i < cur_lineinfo.column - 1; i++)
1356                 fprintf(stderr, " ");
1357         fprintf(stderr, "^\n");
1358         fprintf(stderr, "%s\n", str);
1359         exit(1);
1360 }
1361
1362 static struct operand * store_oper_sanity(struct operand *oper)
1363 {
1364         if (oper->type == OPER_IMM &&
1365             oper->u.imm->imm != 0) {
1366                 yyerror("Only 0x000 Immediate is allowed for "
1367                         "Output operands");
1368         }
1369         return oper;
1370 }
1371
1372 static void assembler_assertion_failed(void)
1373 {
1374         yyerror("Assembler %assert failed");
1375 }