4 * Copyright (C) 2006-2010 Michael Buesch <mb@bu3sch.de>
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.
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.
26 extern void yyerror(char *);
27 extern int yyparse(void);
28 extern int yylex(void);
30 static struct operand * store_oper_sanity(struct operand *oper);
31 static void assembler_assertion_failed(void);
33 /* The current .section */
35 /* Pointer to the current initvals section data structure. */
36 extern struct initvals_sect *cur_initvals_sect;
40 %token SECTION_TEXT SECTION_IVALS
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
44 %token EQUAL NOT_EQUAL LOGICAL_OR LOGICAL_AND PLUS MINUS MULTIPLY DIVIDE BITW_OR BITW_AND BITW_XOR BITW_NOT LEFTSHIFT RIGHTSHIFT
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_CALLS OP_RET OP_RETS OP_TKIPH OP_TKIPHS OP_TKIPL OP_TKIPLS OP_NAP RAW_CODE
48 %token IVAL_MMIO16 IVAL_MMIO32 IVAL_PHY IVAL_RADIO IVAL_SHM16 IVAL_SHM32 IVAL_TRAM
54 line : line_terminator {
57 | line statement line_terminator {
58 struct statement *s = $2;
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);
66 | line section_switch line_terminator {
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);
78 /* Allow terminating lines with the ";" char */
79 line_terminator : /* Nothing */
80 | SEMICOLON line_terminator
83 section_switch : SECTION_TEXT {
84 section = SECTION_TEXT;
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;
95 if (!cur_initvals_sect) {
96 /* Not found, create a new one. */
97 s = xmalloc(sizeof(struct initvals_sect));
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;
104 section = SECTION_IVALS;
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;
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;
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;
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;
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;
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;
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;
162 struct asmdir *ad = $1;
164 struct statement *s = xmalloc(sizeof(struct statement));
165 INIT_LIST_HEAD(&s->list);
166 s->type = STMT_ASMDIR;
173 struct statement *s = xmalloc(sizeof(struct statement));
174 INIT_LIST_HEAD(&s->list);
175 s->type = STMT_LABEL;
180 struct statement *s = xmalloc(sizeof(struct statement));
181 INIT_LIST_HEAD(&s->list);
187 struct statement *s = xmalloc(sizeof(struct statement));
188 INIT_LIST_HEAD(&s->list);
194 struct statement *s = xmalloc(sizeof(struct statement));
195 INIT_LIST_HEAD(&s->list);
201 struct statement *s = xmalloc(sizeof(struct statement));
202 INIT_LIST_HEAD(&s->list);
208 struct statement *s = xmalloc(sizeof(struct statement));
209 INIT_LIST_HEAD(&s->list);
215 struct statement *s = xmalloc(sizeof(struct statement));
216 INIT_LIST_HEAD(&s->list);
222 struct statement *s = xmalloc(sizeof(struct statement));
223 INIT_LIST_HEAD(&s->list);
229 struct statement *s = xmalloc(sizeof(struct statement));
230 INIT_LIST_HEAD(&s->list);
236 struct statement *s = xmalloc(sizeof(struct statement));
237 INIT_LIST_HEAD(&s->list);
243 struct statement *s = xmalloc(sizeof(struct statement));
244 INIT_LIST_HEAD(&s->list);
250 struct statement *s = xmalloc(sizeof(struct statement));
251 INIT_LIST_HEAD(&s->list);
257 struct statement *s = xmalloc(sizeof(struct statement));
258 INIT_LIST_HEAD(&s->list);
264 struct statement *s = xmalloc(sizeof(struct statement));
265 INIT_LIST_HEAD(&s->list);
271 struct statement *s = xmalloc(sizeof(struct statement));
272 INIT_LIST_HEAD(&s->list);
278 struct statement *s = xmalloc(sizeof(struct statement));
279 INIT_LIST_HEAD(&s->list);
285 struct statement *s = xmalloc(sizeof(struct statement));
286 INIT_LIST_HEAD(&s->list);
292 struct statement *s = xmalloc(sizeof(struct statement));
293 INIT_LIST_HEAD(&s->list);
299 struct statement *s = xmalloc(sizeof(struct statement));
300 INIT_LIST_HEAD(&s->list);
306 struct statement *s = xmalloc(sizeof(struct statement));
307 INIT_LIST_HEAD(&s->list);
313 struct statement *s = xmalloc(sizeof(struct statement));
314 INIT_LIST_HEAD(&s->list);
320 struct statement *s = xmalloc(sizeof(struct statement));
321 INIT_LIST_HEAD(&s->list);
327 struct statement *s = xmalloc(sizeof(struct statement));
328 INIT_LIST_HEAD(&s->list);
334 struct statement *s = xmalloc(sizeof(struct statement));
335 INIT_LIST_HEAD(&s->list);
341 struct statement *s = xmalloc(sizeof(struct statement));
342 INIT_LIST_HEAD(&s->list);
348 struct statement *s = xmalloc(sizeof(struct statement));
349 INIT_LIST_HEAD(&s->list);
355 struct statement *s = xmalloc(sizeof(struct statement));
356 INIT_LIST_HEAD(&s->list);
362 struct statement *s = xmalloc(sizeof(struct statement));
363 INIT_LIST_HEAD(&s->list);
369 struct statement *s = xmalloc(sizeof(struct statement));
370 INIT_LIST_HEAD(&s->list);
376 struct statement *s = xmalloc(sizeof(struct statement));
377 INIT_LIST_HEAD(&s->list);
383 struct statement *s = xmalloc(sizeof(struct statement));
384 INIT_LIST_HEAD(&s->list);
390 struct statement *s = xmalloc(sizeof(struct statement));
391 INIT_LIST_HEAD(&s->list);
397 struct statement *s = xmalloc(sizeof(struct statement));
398 INIT_LIST_HEAD(&s->list);
404 struct statement *s = xmalloc(sizeof(struct statement));
405 INIT_LIST_HEAD(&s->list);
411 struct statement *s = xmalloc(sizeof(struct statement));
412 INIT_LIST_HEAD(&s->list);
418 struct statement *s = xmalloc(sizeof(struct statement));
419 INIT_LIST_HEAD(&s->list);
425 struct statement *s = xmalloc(sizeof(struct statement));
426 INIT_LIST_HEAD(&s->list);
432 struct statement *s = xmalloc(sizeof(struct statement));
433 INIT_LIST_HEAD(&s->list);
439 struct statement *s = xmalloc(sizeof(struct statement));
440 INIT_LIST_HEAD(&s->list);
446 struct statement *s = xmalloc(sizeof(struct statement));
447 INIT_LIST_HEAD(&s->list);
453 struct statement *s = xmalloc(sizeof(struct statement));
454 INIT_LIST_HEAD(&s->list);
460 struct statement *s = xmalloc(sizeof(struct statement));
461 INIT_LIST_HEAD(&s->list);
467 struct statement *s = xmalloc(sizeof(struct statement));
468 INIT_LIST_HEAD(&s->list);
474 struct statement *s = xmalloc(sizeof(struct statement));
475 INIT_LIST_HEAD(&s->list);
481 struct statement *s = xmalloc(sizeof(struct statement));
482 INIT_LIST_HEAD(&s->list);
488 struct statement *s = xmalloc(sizeof(struct statement));
489 INIT_LIST_HEAD(&s->list);
495 struct statement *s = xmalloc(sizeof(struct statement));
496 INIT_LIST_HEAD(&s->list);
502 struct statement *s = xmalloc(sizeof(struct statement));
503 INIT_LIST_HEAD(&s->list);
509 struct statement *s = xmalloc(sizeof(struct statement));
510 INIT_LIST_HEAD(&s->list);
516 struct statement *s = xmalloc(sizeof(struct statement));
517 INIT_LIST_HEAD(&s->list);
525 asmdir : ASM_ARCH hexnum_decnum {
526 struct asmdir *ad = xmalloc(sizeof(struct asmdir));
527 ad->type = ADIR_ARCH;
528 ad->u.arch = (unsigned int)(unsigned long)$2;
531 | ASM_START identifier {
532 struct asmdir *ad = xmalloc(sizeof(struct asmdir));
533 struct label *label = xmalloc(sizeof(struct label));
535 label->direction = LABELREF_ABSOLUTE;
536 ad->type = ADIR_START;
545 asm_assert : ASM_ASSERT assertion {
546 unsigned int ok = (unsigned int)(unsigned long)$2;
548 assembler_assertion_failed();
553 assertion : PAREN_OPEN assert_expr PAREN_CLOSE {
556 | PAREN_OPEN assertion LOGICAL_OR assertion PAREN_CLOSE {
557 unsigned int a = (unsigned int)(unsigned long)$2;
558 unsigned int b = (unsigned int)(unsigned long)$4;
559 unsigned int result = (a || b);
560 $$ = (void *)(unsigned long)result;
562 | PAREN_OPEN assertion LOGICAL_AND assertion PAREN_CLOSE {
563 unsigned int a = (unsigned int)(unsigned long)$2;
564 unsigned int b = (unsigned int)(unsigned long)$4;
565 unsigned int result = (a && b);
566 $$ = (void *)(unsigned long)result;
570 assert_expr : imm_value EQUAL imm_value {
571 unsigned int a = (unsigned int)(unsigned long)$1;
572 unsigned int b = (unsigned int)(unsigned long)$3;
573 unsigned int result = (a == b);
574 $$ = (void *)(unsigned long)result;
576 | imm_value NOT_EQUAL imm_value {
577 unsigned int a = (unsigned int)(unsigned long)$1;
578 unsigned int b = (unsigned int)(unsigned long)$3;
579 unsigned int result = (a != b);
580 $$ = (void *)(unsigned long)result;
585 struct label *label = xmalloc(sizeof(struct label));
588 l[strlen(l) - 1] = '\0';
595 insn_add : OP_ADD operlist_3 {
596 struct instruction *insn = xmalloc(sizeof(struct instruction));
604 insn_addsc : OP_ADDSC operlist_3 {
605 struct instruction *insn = xmalloc(sizeof(struct instruction));
613 insn_addc : OP_ADDC operlist_3 {
614 struct instruction *insn = xmalloc(sizeof(struct instruction));
622 insn_addscc : OP_ADDSCC operlist_3 {
623 struct instruction *insn = xmalloc(sizeof(struct instruction));
624 insn->op = OP_ADDSCC;
631 insn_sub : OP_SUB operlist_3 {
632 struct instruction *insn = xmalloc(sizeof(struct instruction));
640 insn_subsc : OP_SUBSC operlist_3 {
641 struct instruction *insn = xmalloc(sizeof(struct instruction));
649 insn_subc : OP_SUBC operlist_3 {
650 struct instruction *insn = xmalloc(sizeof(struct instruction));
658 insn_subscc : OP_SUBSCC operlist_3 {
659 struct instruction *insn = xmalloc(sizeof(struct instruction));
660 insn->op = OP_SUBSCC;
666 insn_sra : OP_SRA operlist_3 {
667 struct instruction *insn = xmalloc(sizeof(struct instruction));
674 insn_or : OP_OR operlist_3 {
675 struct instruction *insn = xmalloc(sizeof(struct instruction));
682 insn_and : OP_AND operlist_3 {
683 struct instruction *insn = xmalloc(sizeof(struct instruction));
690 insn_xor : OP_XOR operlist_3 {
691 struct instruction *insn = xmalloc(sizeof(struct instruction));
698 insn_sr : OP_SR operlist_3 {
699 struct instruction *insn = xmalloc(sizeof(struct instruction));
706 insn_srx : OP_SRX extended_operlist {
707 struct instruction *insn = xmalloc(sizeof(struct instruction));
714 insn_sl : OP_SL operlist_3 {
715 struct instruction *insn = xmalloc(sizeof(struct instruction));
722 insn_rl : OP_RL operlist_3 {
723 struct instruction *insn = xmalloc(sizeof(struct instruction));
730 insn_rr : OP_RR operlist_3 {
731 struct instruction *insn = xmalloc(sizeof(struct instruction));
738 insn_nand : OP_NAND operlist_3 {
739 struct instruction *insn = xmalloc(sizeof(struct instruction));
746 insn_orx : OP_ORX extended_operlist {
747 struct instruction *insn = xmalloc(sizeof(struct instruction));
754 insn_mov : OP_MOV operlist_2 {
755 struct instruction *insn = xmalloc(sizeof(struct instruction));
762 insn_jmp : OP_JMP labelref {
763 struct instruction *insn = xmalloc(sizeof(struct instruction));
764 struct operlist *ol = xmalloc(sizeof(struct operlist));
772 insn_jand : OP_JAND operlist_3 {
773 struct instruction *insn = xmalloc(sizeof(struct instruction));
780 insn_jnand : OP_JNAND operlist_3 {
781 struct instruction *insn = xmalloc(sizeof(struct instruction));
788 insn_js : OP_JS operlist_3 {
789 struct instruction *insn = xmalloc(sizeof(struct instruction));
796 insn_jns : OP_JNS operlist_3 {
797 struct instruction *insn = xmalloc(sizeof(struct instruction));
804 insn_je : OP_JE operlist_3 {
805 struct instruction *insn = xmalloc(sizeof(struct instruction));
812 insn_jne : OP_JNE operlist_3 {
813 struct instruction *insn = xmalloc(sizeof(struct instruction));
820 insn_jls : OP_JLS operlist_3 {
821 struct instruction *insn = xmalloc(sizeof(struct instruction));
828 insn_jges : OP_JGES operlist_3 {
829 struct instruction *insn = xmalloc(sizeof(struct instruction));
836 insn_jgs : OP_JGS operlist_3 {
837 struct instruction *insn = xmalloc(sizeof(struct instruction));
844 insn_jles : OP_JLES operlist_3 {
845 struct instruction *insn = xmalloc(sizeof(struct instruction));
852 insn_jl : OP_JL operlist_3 {
853 struct instruction *insn = xmalloc(sizeof(struct instruction));
860 insn_jge : OP_JGE operlist_3 {
861 struct instruction *insn = xmalloc(sizeof(struct instruction));
868 insn_jg : OP_JG operlist_3 {
869 struct instruction *insn = xmalloc(sizeof(struct instruction));
876 insn_jle : OP_JLE operlist_3 {
877 struct instruction *insn = xmalloc(sizeof(struct instruction));
884 insn_jzx : OP_JZX extended_operlist {
885 struct instruction *insn = xmalloc(sizeof(struct instruction));
892 insn_jnzx : OP_JNZX extended_operlist {
893 struct instruction *insn = xmalloc(sizeof(struct instruction));
900 insn_jext : OP_JEXT external_jump_operands {
901 struct instruction *insn = xmalloc(sizeof(struct instruction));
908 insn_jnext : OP_JNEXT external_jump_operands {
909 struct instruction *insn = xmalloc(sizeof(struct instruction));
921 insn_call : OP_CALL linkreg COMMA labelref {
922 struct instruction *insn = xmalloc(sizeof(struct instruction));
923 struct operlist *ol = xmalloc(sizeof(struct operlist));
924 struct operand *oper_lr = xmalloc(sizeof(struct operand));
925 struct operand *oper_zero = xmalloc(sizeof(struct operand));
926 oper_zero->type = OPER_RAW;
927 oper_zero->u.raw = 0;
928 oper_lr->type = OPER_RAW;
929 oper_lr->u.raw = (unsigned long)$2;
930 ol->oper[0] = oper_lr;
931 ol->oper[1] = oper_zero;
939 insn_calls : OP_CALLS labelref {
940 struct instruction *insn = xmalloc(sizeof(struct instruction));
941 struct operlist *ol = xmalloc(sizeof(struct operlist));
942 struct operand *oper_r0 = xmalloc(sizeof(struct operand));
943 struct registr *r0 = xmalloc(sizeof(struct registr));
946 oper_r0->type = OPER_REG;
948 ol->oper[0] = oper_r0;
949 ol->oper[1] = oper_r0;
957 insn_ret : OP_RET linkreg COMMA linkreg {
958 struct instruction *insn = xmalloc(sizeof(struct instruction));
959 struct operlist *ol = xmalloc(sizeof(struct operlist));
960 struct operand *oper_lr0 = xmalloc(sizeof(struct operand));
961 struct operand *oper_lr1 = xmalloc(sizeof(struct operand));
962 struct operand *oper_zero = xmalloc(sizeof(struct operand));
963 oper_zero->type = OPER_RAW;
964 oper_zero->u.raw = 0;
965 oper_lr0->type = OPER_RAW;
966 oper_lr0->u.raw = (unsigned long)$2;
967 oper_lr1->type = OPER_RAW;
968 oper_lr1->u.raw = (unsigned long)$4;
969 ol->oper[0] = oper_lr0;
970 ol->oper[1] = oper_zero;
971 ol->oper[2] = oper_lr1;
978 insn_rets : OP_RETS {
979 struct instruction *insn = xmalloc(sizeof(struct instruction));
980 struct operlist *ol = xmalloc(sizeof(struct operlist));
981 struct operand *oper_r0 = xmalloc(sizeof(struct operand));
982 struct operand *oper_zero = xmalloc(sizeof(struct operand));
983 struct registr *r0 = xmalloc(sizeof(struct registr));
984 oper_zero->type = OPER_RAW;
985 oper_zero->u.raw = 0;
988 oper_r0->type = OPER_REG;
990 ol->oper[0] = oper_r0;
991 ol->oper[1] = oper_r0;
992 ol->oper[2] = oper_zero;
999 insn_tkiph : OP_TKIPH operlist_2 {
1000 struct instruction *insn = xmalloc(sizeof(struct instruction));
1001 struct operlist *ol = $2;
1002 struct operand *flags = xmalloc(sizeof(struct operand));
1003 struct immediate *imm = xmalloc(sizeof(struct immediate));
1005 flags->type = OPER_IMM;
1007 ol->oper[2] = ol->oper[1];
1008 ol->oper[1] = flags;
1009 insn->op = OP_TKIPH;
1010 insn->operands = ol;
1015 insn_tkiphs : OP_TKIPHS operlist_2 {
1016 struct instruction *insn = xmalloc(sizeof(struct instruction));
1017 struct operlist *ol = $2;
1018 struct operand *flags = xmalloc(sizeof(struct operand));
1019 struct immediate *imm = xmalloc(sizeof(struct immediate));
1020 imm->imm = 0x1 | 0x2;
1021 flags->type = OPER_IMM;
1023 ol->oper[2] = ol->oper[1];
1024 ol->oper[1] = flags;
1025 insn->op = OP_TKIPH;
1026 insn->operands = ol;
1031 insn_tkipl : OP_TKIPL operlist_2 {
1032 struct instruction *insn = xmalloc(sizeof(struct instruction));
1033 struct operlist *ol = $2;
1034 struct operand *flags = xmalloc(sizeof(struct operand));
1035 struct immediate *imm = xmalloc(sizeof(struct immediate));
1037 flags->type = OPER_IMM;
1039 ol->oper[2] = ol->oper[1];
1040 ol->oper[1] = flags;
1041 insn->op = OP_TKIPH;
1042 insn->operands = ol;
1047 insn_tkipls : OP_TKIPLS operlist_2 {
1048 struct instruction *insn = xmalloc(sizeof(struct instruction));
1049 struct operlist *ol = $2;
1050 struct operand *flags = xmalloc(sizeof(struct operand));
1051 struct immediate *imm = xmalloc(sizeof(struct immediate));
1052 imm->imm = 0x0 | 0x2;
1053 flags->type = OPER_IMM;
1055 ol->oper[2] = ol->oper[1];
1056 ol->oper[1] = flags;
1057 insn->op = OP_TKIPH;
1058 insn->operands = ol;
1064 struct instruction *insn = xmalloc(sizeof(struct instruction));
1065 struct operlist *ol = xmalloc(sizeof(struct operlist));
1066 struct operand *regop = xmalloc(sizeof(struct operand));
1067 struct operand *zeroop = xmalloc(sizeof(struct operand));
1068 struct registr *r0 = xmalloc(sizeof(struct registr));
1071 regop->type = OPER_REG;
1073 zeroop->type = OPER_RAW;
1074 zeroop->u.raw = 0x000;
1075 ol->oper[0] = regop;
1076 ol->oper[1] = regop;
1077 ol->oper[2] = zeroop;
1079 insn->operands = ol;
1084 insn_raw : raw_code operlist_3 {
1085 struct instruction *insn = xmalloc(sizeof(struct instruction));
1086 insn->op = RAW_CODE;
1087 insn->operands = $2;
1088 insn->opcode = (unsigned long)$1;
1093 raw_code : RAW_CODE {
1094 yytext++; /* skip @ */
1095 $$ = (void *)(unsigned long)strtoul(yytext, NULL, 16);
1099 extended_operlist : imm_value COMMA imm_value COMMA operand COMMA operand COMMA operand {
1100 struct operlist *ol = xmalloc(sizeof(struct operlist));
1101 struct operand *mask_oper = xmalloc(sizeof(struct operand));
1102 struct operand *shift_oper = xmalloc(sizeof(struct operand));
1103 mask_oper->type = OPER_RAW;
1104 mask_oper->u.raw = (unsigned long)$1;
1105 shift_oper->type = OPER_RAW;
1106 shift_oper->u.raw = (unsigned long)$3;
1107 ol->oper[0] = mask_oper;
1108 ol->oper[1] = shift_oper;
1111 ol->oper[4] = store_oper_sanity($9);
1116 external_jump_operands : imm COMMA labelref {
1117 struct operlist *ol = xmalloc(sizeof(struct operlist));
1118 struct operand *cond = xmalloc(sizeof(struct operand));
1119 cond->type = OPER_IMM;
1127 operlist_2 : operand COMMA operand {
1128 struct operlist *ol = xmalloc(sizeof(struct operlist));
1130 ol->oper[1] = store_oper_sanity($3);
1135 operlist_3 : operand COMMA operand COMMA operand {
1136 struct operlist *ol = xmalloc(sizeof(struct operlist));
1139 ol->oper[2] = store_oper_sanity($5);
1145 struct operand *oper = xmalloc(sizeof(struct operand));
1146 oper->type = OPER_REG;
1151 struct operand *oper = xmalloc(sizeof(struct operand));
1152 oper->type = OPER_MEM;
1157 struct operand *oper = xmalloc(sizeof(struct operand));
1158 oper->type = OPER_RAW;
1159 oper->u.raw = (unsigned long)$1;
1163 struct operand *oper = xmalloc(sizeof(struct operand));
1164 oper->type = OPER_IMM;
1174 struct registr *reg = xmalloc(sizeof(struct registr));
1176 reg->nr = (unsigned long)$2;
1180 struct registr *reg = xmalloc(sizeof(struct registr));
1182 yytext += 3; /* skip "spr" */
1183 reg->nr = strtoul(yytext, NULL, 16);
1187 struct registr *reg = xmalloc(sizeof(struct registr));
1189 reg->nr = (unsigned long)$2;
1194 mem : BRACK_OPEN imm BRACK_CLOSE {
1195 struct memory *mem = xmalloc(sizeof(struct memory));
1196 struct immediate *offset_imm = $2;
1197 mem->type = MEM_DIRECT;
1198 mem->offset = offset_imm->imm;
1202 | BRACK_OPEN imm COMMA OFFR regnr BRACK_CLOSE {
1203 struct memory *mem = xmalloc(sizeof(struct memory));
1204 struct immediate *offset_imm = $2;
1205 mem->type = MEM_INDIRECT;
1206 mem->offset = offset_imm->imm;
1208 mem->offr_nr = (unsigned long)$5;
1214 struct immediate *imm = xmalloc(sizeof(struct immediate));
1215 imm->imm = (unsigned long)$1;
1220 imm_value : hexnum_decnum {
1228 complex_imm : PAREN_OPEN complex_imm_arg complex_imm_oper complex_imm_arg PAREN_CLOSE {
1229 unsigned long a = (unsigned long)$2;
1230 unsigned long b = (unsigned long)$4;
1231 unsigned long operation = (unsigned long)$3;
1232 unsigned long res = 31337;
1233 switch (operation) {
1262 yyerror("Internal parser BUG. complex_imm oper unknown");
1266 | PAREN_OPEN complex_imm PAREN_CLOSE {
1269 | PAREN_OPEN asm_assert PAREN_CLOSE {
1270 /* Inline assertion. Always return zero */
1271 $$ = (void *)(unsigned long)(unsigned int)0;
1273 | PAREN_OPEN BITW_NOT complex_imm PAREN_CLOSE {
1274 unsigned long n = (unsigned long)$3;
1278 | PAREN_OPEN complex_imm_const PAREN_CLOSE {
1283 complex_imm_oper : PLUS {
1284 $$ = (void *)(unsigned long)PLUS;
1287 $$ = (void *)(unsigned long)MINUS;
1290 $$ = (void *)(unsigned long)MULTIPLY;
1293 $$ = (void *)(unsigned long)DIVIDE;
1296 $$ = (void *)(unsigned long)BITW_OR;
1299 $$ = (void *)(unsigned long)BITW_AND;
1302 $$ = (void *)(unsigned long)BITW_XOR;
1305 $$ = (void *)(unsigned long)LEFTSHIFT;
1308 $$ = (void *)(unsigned long)RIGHTSHIFT;
1312 complex_imm_arg : complex_imm_const {
1320 complex_imm_const : hexnum_decnum {
1323 | BITW_NOT hexnum_decnum {
1324 unsigned long n = (unsigned long)$2;
1331 while (yytext[0] != 'x') {
1332 if (yytext[0] == '\0')
1333 yyerror("Internal HEXNUM parser error");
1337 $$ = (void *)(unsigned long)strtoul(yytext, NULL, 16);
1342 $$ = (void *)(unsigned long)strtol(yytext, NULL, 10);
1346 hexnum_decnum : hexnum {
1354 labelref : identifier {
1355 struct operand *oper = xmalloc(sizeof(struct operand));
1356 struct label *label = xmalloc(sizeof(struct label));
1358 label->direction = LABELREF_ABSOLUTE;
1359 oper->type = OPER_LABEL;
1360 oper->u.label = label;
1363 | identifier MINUS {
1364 struct operand *oper = xmalloc(sizeof(struct operand));
1365 struct label *label = xmalloc(sizeof(struct label));
1367 label->direction = LABELREF_RELATIVE_BACK;
1368 oper->type = OPER_LABEL;
1369 oper->u.label = label;
1373 struct operand *oper = xmalloc(sizeof(struct operand));
1374 struct label *label = xmalloc(sizeof(struct label));
1376 label->direction = LABELREF_RELATIVE_FORWARD;
1377 oper->type = OPER_LABEL;
1378 oper->u.label = label;
1384 $$ = (void *)(unsigned long)strtoul(yytext, NULL, 10);
1388 identifier : IDENT {
1389 $$ = xstrdup(yytext);
1395 int section = SECTION_TEXT; /* default to .text section */
1396 struct initvals_sect *cur_initvals_sect;
1398 void yyerror(char *str)
1403 "Parser ERROR (file \"%s\", line %u, col %u):\n",
1405 cur_lineinfo.lineno,
1406 cur_lineinfo.column);
1407 fprintf(stderr, "%s\n", cur_lineinfo.linecopy);
1408 for (i = 0; i < cur_lineinfo.column - 1; i++)
1409 fprintf(stderr, " ");
1410 fprintf(stderr, "^\n");
1411 fprintf(stderr, "%s\n", str);
1415 static struct operand * store_oper_sanity(struct operand *oper)
1417 if (oper->type == OPER_IMM &&
1418 oper->u.imm->imm != 0) {
1419 yyerror("Only 0x000 Immediate is allowed for "
1425 static void assembler_assertion_failed(void)
1427 yyerror("Assembler %assert failed");