4 * Copyright (C) 2006-2007 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_RET 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);
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;
517 | ASM_START identifier {
518 struct asmdir *ad = xmalloc(sizeof(struct asmdir));
519 struct label *label = xmalloc(sizeof(struct label));
521 label->direction = LABELREF_ABSOLUTE;
522 ad->type = ADIR_START;
531 asm_assert : ASM_ASSERT assertion {
532 unsigned int ok = (unsigned int)(unsigned long)$2;
534 assembler_assertion_failed();
539 assertion : PAREN_OPEN assert_expr PAREN_CLOSE {
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 $$ = (void *)(unsigned long)result;
548 | PAREN_OPEN assertion LOGICAL_AND assertion PAREN_CLOSE {
549 unsigned int a = (unsigned int)(unsigned long)$2;
550 unsigned int b = (unsigned int)(unsigned long)$4;
551 unsigned int result = (a && b);
552 $$ = (void *)(unsigned long)result;
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 $$ = (void *)(unsigned long)result;
562 | imm_value NOT_EQUAL imm_value {
563 unsigned int a = (unsigned int)(unsigned long)$1;
564 unsigned int b = (unsigned int)(unsigned long)$3;
565 unsigned int result = (a != b);
566 $$ = (void *)(unsigned long)result;
571 struct label *label = xmalloc(sizeof(struct label));
574 l[strlen(l) - 1] = '\0';
581 insn_add : OP_ADD operlist_3 {
582 struct instruction *insn = xmalloc(sizeof(struct instruction));
590 insn_addsc : OP_ADDSC operlist_3 {
591 struct instruction *insn = xmalloc(sizeof(struct instruction));
599 insn_addc : OP_ADDC operlist_3 {
600 struct instruction *insn = xmalloc(sizeof(struct instruction));
608 insn_addscc : OP_ADDSCC operlist_3 {
609 struct instruction *insn = xmalloc(sizeof(struct instruction));
610 insn->op = OP_ADDSCC;
617 insn_sub : OP_SUB operlist_3 {
618 struct instruction *insn = xmalloc(sizeof(struct instruction));
626 insn_subsc : OP_SUBSC operlist_3 {
627 struct instruction *insn = xmalloc(sizeof(struct instruction));
635 insn_subc : OP_SUBC operlist_3 {
636 struct instruction *insn = xmalloc(sizeof(struct instruction));
644 insn_subscc : OP_SUBSCC operlist_3 {
645 struct instruction *insn = xmalloc(sizeof(struct instruction));
646 insn->op = OP_SUBSCC;
652 insn_sra : OP_SRA operlist_3 {
653 struct instruction *insn = xmalloc(sizeof(struct instruction));
660 insn_or : OP_OR operlist_3 {
661 struct instruction *insn = xmalloc(sizeof(struct instruction));
668 insn_and : OP_AND operlist_3 {
669 struct instruction *insn = xmalloc(sizeof(struct instruction));
676 insn_xor : OP_XOR operlist_3 {
677 struct instruction *insn = xmalloc(sizeof(struct instruction));
684 insn_sr : OP_SR operlist_3 {
685 struct instruction *insn = xmalloc(sizeof(struct instruction));
692 insn_srx : OP_SRX extended_operlist {
693 struct instruction *insn = xmalloc(sizeof(struct instruction));
700 insn_sl : OP_SL operlist_3 {
701 struct instruction *insn = xmalloc(sizeof(struct instruction));
708 insn_rl : OP_RL operlist_3 {
709 struct instruction *insn = xmalloc(sizeof(struct instruction));
716 insn_rr : OP_RR operlist_3 {
717 struct instruction *insn = xmalloc(sizeof(struct instruction));
724 insn_nand : OP_NAND operlist_3 {
725 struct instruction *insn = xmalloc(sizeof(struct instruction));
732 insn_orx : OP_ORX extended_operlist {
733 struct instruction *insn = xmalloc(sizeof(struct instruction));
740 insn_mov : OP_MOV operlist_2 {
741 struct instruction *insn = xmalloc(sizeof(struct instruction));
748 insn_jmp : OP_JMP labelref {
749 struct instruction *insn = xmalloc(sizeof(struct instruction));
750 struct operlist *ol = xmalloc(sizeof(struct operlist));
758 insn_jand : OP_JAND operlist_3 {
759 struct instruction *insn = xmalloc(sizeof(struct instruction));
766 insn_jnand : OP_JNAND operlist_3 {
767 struct instruction *insn = xmalloc(sizeof(struct instruction));
774 insn_js : OP_JS operlist_3 {
775 struct instruction *insn = xmalloc(sizeof(struct instruction));
782 insn_jns : OP_JNS operlist_3 {
783 struct instruction *insn = xmalloc(sizeof(struct instruction));
790 insn_je : OP_JE operlist_3 {
791 struct instruction *insn = xmalloc(sizeof(struct instruction));
798 insn_jne : OP_JNE operlist_3 {
799 struct instruction *insn = xmalloc(sizeof(struct instruction));
806 insn_jls : OP_JLS operlist_3 {
807 struct instruction *insn = xmalloc(sizeof(struct instruction));
814 insn_jges : OP_JGES operlist_3 {
815 struct instruction *insn = xmalloc(sizeof(struct instruction));
822 insn_jgs : OP_JGS operlist_3 {
823 struct instruction *insn = xmalloc(sizeof(struct instruction));
830 insn_jles : OP_JLES operlist_3 {
831 struct instruction *insn = xmalloc(sizeof(struct instruction));
838 insn_jl : OP_JL operlist_3 {
839 struct instruction *insn = xmalloc(sizeof(struct instruction));
846 insn_jge : OP_JGE operlist_3 {
847 struct instruction *insn = xmalloc(sizeof(struct instruction));
854 insn_jg : OP_JG operlist_3 {
855 struct instruction *insn = xmalloc(sizeof(struct instruction));
862 insn_jle : OP_JLE operlist_3 {
863 struct instruction *insn = xmalloc(sizeof(struct instruction));
870 insn_jzx : OP_JZX extended_operlist {
871 struct instruction *insn = xmalloc(sizeof(struct instruction));
878 insn_jnzx : OP_JNZX extended_operlist {
879 struct instruction *insn = xmalloc(sizeof(struct instruction));
886 insn_jext : OP_JEXT external_jump_operands {
887 struct instruction *insn = xmalloc(sizeof(struct instruction));
894 insn_jnext : OP_JNEXT external_jump_operands {
895 struct instruction *insn = xmalloc(sizeof(struct instruction));
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;
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;
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));
952 flags->type = OPER_IMM;
954 ol->oper[2] = ol->oper[1];
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;
970 ol->oper[2] = ol->oper[1];
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));
984 flags->type = OPER_IMM;
986 ol->oper[2] = ol->oper[1];
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;
1002 ol->oper[2] = ol->oper[1];
1003 ol->oper[1] = flags;
1004 insn->op = OP_TKIPH;
1005 insn->operands = ol;
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));
1018 regop->type = OPER_REG;
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;
1026 insn->operands = ol;
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;
1040 raw_code : RAW_CODE {
1041 yytext++; /* skip @ */
1042 $$ = (void *)(unsigned long)strtoul(yytext, NULL, 16);
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;
1058 ol->oper[4] = store_oper_sanity($9);
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;
1074 operlist_2 : operand COMMA operand {
1075 struct operlist *ol = xmalloc(sizeof(struct operlist));
1077 ol->oper[1] = store_oper_sanity($3);
1082 operlist_3 : operand COMMA operand COMMA operand {
1083 struct operlist *ol = xmalloc(sizeof(struct operlist));
1086 ol->oper[2] = store_oper_sanity($5);
1092 struct operand *oper = xmalloc(sizeof(struct operand));
1093 oper->type = OPER_REG;
1098 struct operand *oper = xmalloc(sizeof(struct operand));
1099 oper->type = OPER_MEM;
1104 struct operand *oper = xmalloc(sizeof(struct operand));
1105 oper->type = OPER_RAW;
1106 oper->u.raw = (unsigned long)$1;
1110 struct operand *oper = xmalloc(sizeof(struct operand));
1111 oper->type = OPER_IMM;
1121 struct registr *reg = xmalloc(sizeof(struct registr));
1123 reg->nr = (unsigned long)$2;
1127 struct registr *reg = xmalloc(sizeof(struct registr));
1129 yytext += 3; /* skip "spr" */
1130 reg->nr = strtoul(yytext, NULL, 16);
1134 struct registr *reg = xmalloc(sizeof(struct registr));
1136 reg->nr = (unsigned long)$2;
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;
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;
1155 mem->offr_nr = (unsigned long)$5;
1161 struct immediate *imm = xmalloc(sizeof(struct immediate));
1162 imm->imm = (unsigned long)$1;
1167 imm_value : hexnum_decnum {
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) {
1209 yyerror("Internal parser BUG. complex_imm oper unknown");
1213 | PAREN_OPEN complex_imm PAREN_CLOSE {
1216 | PAREN_OPEN asm_assert PAREN_CLOSE {
1217 /* Inline assertion. Always return zero */
1218 $$ = (void *)(unsigned long)(unsigned int)0;
1220 | PAREN_OPEN BITW_NOT complex_imm PAREN_CLOSE {
1221 unsigned long n = (unsigned long)$3;
1225 | PAREN_OPEN complex_imm_const PAREN_CLOSE {
1230 complex_imm_oper : PLUS {
1231 $$ = (void *)(unsigned long)PLUS;
1234 $$ = (void *)(unsigned long)MINUS;
1237 $$ = (void *)(unsigned long)MULTIPLY;
1240 $$ = (void *)(unsigned long)DIVIDE;
1243 $$ = (void *)(unsigned long)BITW_OR;
1246 $$ = (void *)(unsigned long)BITW_AND;
1249 $$ = (void *)(unsigned long)BITW_XOR;
1252 $$ = (void *)(unsigned long)LEFTSHIFT;
1255 $$ = (void *)(unsigned long)RIGHTSHIFT;
1259 complex_imm_arg : complex_imm_const {
1267 complex_imm_const : hexnum_decnum {
1270 | BITW_NOT hexnum_decnum {
1271 unsigned long n = (unsigned long)$2;
1278 while (yytext[0] != 'x') {
1279 if (yytext[0] == '\0')
1280 yyerror("Internal HEXNUM parser error");
1284 $$ = (void *)(unsigned long)strtoul(yytext, NULL, 16);
1289 $$ = (void *)(unsigned long)strtol(yytext, NULL, 10);
1293 hexnum_decnum : hexnum {
1301 labelref : identifier {
1302 struct operand *oper = xmalloc(sizeof(struct operand));
1303 struct label *label = xmalloc(sizeof(struct label));
1305 label->direction = LABELREF_ABSOLUTE;
1306 oper->type = OPER_LABEL;
1307 oper->u.label = label;
1310 | identifier MINUS {
1311 struct operand *oper = xmalloc(sizeof(struct operand));
1312 struct label *label = xmalloc(sizeof(struct label));
1314 label->direction = LABELREF_RELATIVE_BACK;
1315 oper->type = OPER_LABEL;
1316 oper->u.label = label;
1320 struct operand *oper = xmalloc(sizeof(struct operand));
1321 struct label *label = xmalloc(sizeof(struct label));
1323 label->direction = LABELREF_RELATIVE_FORWARD;
1324 oper->type = OPER_LABEL;
1325 oper->u.label = label;
1331 $$ = (void *)(unsigned long)strtoul(yytext, NULL, 10);
1335 identifier : IDENT {
1336 $$ = xstrdup(yytext);
1342 int section = SECTION_TEXT; /* default to .text section */
1343 struct initvals_sect *cur_initvals_sect;
1345 void yyerror(char *str)
1350 "Parser ERROR (file \"%s\", line %u, col %u):\n",
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);
1362 static struct operand * store_oper_sanity(struct operand *oper)
1364 if (oper->type == OPER_IMM &&
1365 oper->u.imm->imm != 0) {
1366 yyerror("Only 0x000 Immediate is allowed for "
1372 static void assembler_assertion_failed(void)
1374 yyerror("Assembler %assert failed");