extern int yylex(void);
static struct operand * store_oper_sanity(struct operand *oper);
+static void assembler_assertion_failed(void);
/* The current .section */
extern int section;
%token SECTION_TEXT SECTION_IVALS
-%token ASM_ARCH ASM_START SPR GPR OFFR LR COMMA BRACK_OPEN BRACK_CLOSE PAREN_OPEN PAREN_CLOSE HEXNUM DECNUM ARCH_NEWWORLD ARCH_OLDWORLD LABEL IDENT LABELREF
+%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
-%token PLUS MINUS MULTIPLY DIVIDE BITW_OR BITW_AND BITW_XOR BITW_NOT LEFTSHIFT RIGHTSHIFT
+%token EQUAL NOT_EQUAL LOGICAL_OR LOGICAL_AND PLUS MINUS MULTIPLY DIVIDE BITW_OR BITW_AND BITW_XOR BITW_NOT LEFTSHIFT RIGHTSHIFT
%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
%%
-line : /* empty */
- | line statement {
+line : line_terminator {
+ /* empty */
+ }
+ | line statement line_terminator {
struct statement *s = $2;
- if (section != SECTION_TEXT)
- yyerror("Microcode text instruction in non .text section");
- memcpy(&s->info, &cur_lineinfo, sizeof(struct lineinfo));
- list_add_tail(&s->list, &infile.sl);
+ if (s) {
+ if (section != SECTION_TEXT)
+ yyerror("Microcode text instruction in non .text section");
+ memcpy(&s->info, &cur_lineinfo, sizeof(struct lineinfo));
+ list_add_tail(&s->list, &infile.sl);
+ }
}
- | line section_switch {
+ | line section_switch line_terminator {
}
- | line ivals_write {
+ | line ivals_write line_terminator {
struct initval_op *io = $2;
if (section != SECTION_IVALS)
yyerror("InitVals write in non .initvals section");
}
;
+/* Allow terminating lines with the ";" char */
+line_terminator : /* Nothing */
+ | SEMICOLON line_terminator
+ ;
+
section_switch : SECTION_TEXT {
section = SECTION_TEXT;
}
}
;
-ivals_write : IVAL_MMIO16 hexnum_decnum COMMA hexnum_decnum {
+ivals_write : IVAL_MMIO16 imm_value COMMA imm_value {
struct initval_op *iop = xmalloc(sizeof(struct initval_op));
iop->type = IVAL_W_MMIO16;
iop->args[0] = (unsigned int)(unsigned long)$2;
iop->args[1] = (unsigned int)(unsigned long)$4;
$$ = iop;
}
- | IVAL_MMIO32 hexnum_decnum COMMA hexnum_decnum {
+ | IVAL_MMIO32 imm_value COMMA imm_value {
struct initval_op *iop = xmalloc(sizeof(struct initval_op));
iop->type = IVAL_W_MMIO32;
iop->args[0] = (unsigned int)(unsigned long)$2;
iop->args[1] = (unsigned int)(unsigned long)$4;
$$ = iop;
}
- | IVAL_PHY hexnum_decnum COMMA hexnum_decnum {
+ | IVAL_PHY imm_value COMMA imm_value {
struct initval_op *iop = xmalloc(sizeof(struct initval_op));
iop->type = IVAL_W_PHY;
iop->args[0] = (unsigned int)(unsigned long)$2;
iop->args[1] = (unsigned int)(unsigned long)$4;
$$ = iop;
}
- | IVAL_RADIO hexnum_decnum COMMA hexnum_decnum {
+ | IVAL_RADIO imm_value COMMA imm_value {
struct initval_op *iop = xmalloc(sizeof(struct initval_op));
iop->type = IVAL_W_RADIO;
iop->args[0] = (unsigned int)(unsigned long)$2;
iop->args[1] = (unsigned int)(unsigned long)$4;
$$ = iop;
}
- | IVAL_SHM16 hexnum_decnum COMMA hexnum_decnum COMMA hexnum_decnum {
+ | IVAL_SHM16 imm_value COMMA imm_value COMMA imm_value {
struct initval_op *iop = xmalloc(sizeof(struct initval_op));
iop->type = IVAL_W_SHM16;
iop->args[0] = (unsigned int)(unsigned long)$2;
iop->args[2] = (unsigned int)(unsigned long)$6;
$$ = iop;
}
- | IVAL_SHM32 hexnum_decnum COMMA hexnum_decnum COMMA hexnum_decnum {
+ | IVAL_SHM32 imm_value COMMA imm_value COMMA imm_value {
struct initval_op *iop = xmalloc(sizeof(struct initval_op));
iop->type = IVAL_W_SHM32;
iop->args[0] = (unsigned int)(unsigned long)$2;
;
statement : asmdir {
- struct statement *s = xmalloc(sizeof(struct statement));
- INIT_LIST_HEAD(&s->list);
- s->type = STMT_ASMDIR;
- s->u.asmdir = $1;
- $$ = s;
+ struct asmdir *ad = $1;
+ if (ad) {
+ struct statement *s = xmalloc(sizeof(struct statement));
+ INIT_LIST_HEAD(&s->list);
+ s->type = STMT_ASMDIR;
+ s->u.asmdir = $1;
+ $$ = s;
+ } else
+ $$ = NULL;
}
| label {
struct statement *s = xmalloc(sizeof(struct statement));
ad->u.start = label;
$$ = ad;
}
+ | asm_assert {
+ $$ = NULL;
+ }
+ ;
+
+asm_assert : ASM_ASSERT assertion {
+ unsigned int ok = (unsigned int)(unsigned long)$2;
+ if (!ok)
+ assembler_assertion_failed();
+ $$ = NULL;
+ }
+ ;
+
+assertion : PAREN_OPEN assert_expr PAREN_CLOSE {
+ $$ = $2;
+ }
+ | PAREN_OPEN assertion LOGICAL_OR assertion PAREN_CLOSE {
+ unsigned int a = (unsigned int)(unsigned long)$2;
+ unsigned int b = (unsigned int)(unsigned long)$4;
+ unsigned int result = (a || b);
+ $$ = (void *)(unsigned long)result;
+ }
+ | PAREN_OPEN assertion LOGICAL_AND assertion PAREN_CLOSE {
+ unsigned int a = (unsigned int)(unsigned long)$2;
+ unsigned int b = (unsigned int)(unsigned long)$4;
+ unsigned int result = (a && b);
+ $$ = (void *)(unsigned long)result;
+ }
+ ;
+
+assert_expr : imm_value EQUAL imm_value {
+ unsigned int a = (unsigned int)(unsigned long)$1;
+ unsigned int b = (unsigned int)(unsigned long)$3;
+ unsigned int result = (a == b);
+ $$ = (void *)(unsigned long)result;
+ }
+ | imm_value NOT_EQUAL imm_value {
+ unsigned int a = (unsigned int)(unsigned long)$1;
+ unsigned int b = (unsigned int)(unsigned long)$3;
+ unsigned int result = (a != b);
+ $$ = (void *)(unsigned long)result;
+ }
;
label : LABEL {
}
;
-extended_operlist : decnum COMMA decnum COMMA operand COMMA operand COMMA operand {
+extended_operlist : imm_value COMMA imm_value COMMA operand COMMA operand COMMA operand {
struct operlist *ol = xmalloc(sizeof(struct operlist));
struct operand *mask_oper = xmalloc(sizeof(struct operand));
struct operand *shift_oper = xmalloc(sizeof(struct operand));
}
;
-external_jump_operands : hexnum COMMA operand COMMA operand COMMA labelref {
+external_jump_operands : imm COMMA labelref {
struct operlist *ol = xmalloc(sizeof(struct operlist));
struct operand *cond = xmalloc(sizeof(struct operand));
- cond->type = OPER_RAW;
- cond->u.raw = (unsigned long)$1;
+ cond->type = OPER_IMM;
+ cond->u.imm = $1;
ol->oper[0] = cond;
ol->oper[1] = $3;
- ol->oper[2] = $5;
- ol->oper[3] = $7;
$$ = ol;
}
;
}
;
-mem : BRACK_OPEN hexnum_decnum BRACK_CLOSE {
+mem : BRACK_OPEN imm BRACK_CLOSE {
struct memory *mem = xmalloc(sizeof(struct memory));
+ struct immediate *offset_imm = $2;
mem->type = MEM_DIRECT;
- mem->offset = (unsigned long)$2;
+ mem->offset = offset_imm->imm;
+ free(offset_imm);
$$ = mem;
}
- | BRACK_OPEN hexnum_decnum COMMA OFFR regnr BRACK_CLOSE {
+ | BRACK_OPEN imm COMMA OFFR regnr BRACK_CLOSE {
struct memory *mem = xmalloc(sizeof(struct memory));
+ struct immediate *offset_imm = $2;
mem->type = MEM_INDIRECT;
- mem->offset = (unsigned long)$2;
+ mem->offset = offset_imm->imm;
+ free(offset_imm);
mem->offr_nr = (unsigned long)$5;
$$ = mem;
}
;
-imm : hexnum {
+imm : imm_value {
struct immediate *imm = xmalloc(sizeof(struct immediate));
imm->imm = (unsigned long)$1;
$$ = imm;
}
- | decnum {
- struct immediate *imm = xmalloc(sizeof(struct immediate));
- imm->imm = (unsigned long)$1;
- $$ = imm;
+ ;
+
+imm_value : hexnum_decnum {
+ $$ = $1;
}
| complex_imm {
- struct immediate *imm = xmalloc(sizeof(struct immediate));
- imm->imm = (unsigned long)$1;
- $$ = imm;
+ $$ = $1;
}
;
| PAREN_OPEN complex_imm PAREN_CLOSE {
$$ = $2;
}
+ | PAREN_OPEN asm_assert PAREN_CLOSE {
+ /* Inline assertion. Always return zero */
+ $$ = (void *)(unsigned long)(unsigned int)0;
+ }
| PAREN_OPEN BITW_NOT complex_imm PAREN_CLOSE {
unsigned long n = (unsigned long)$3;
n = ~n;
}
return oper;
}
+
+static void assembler_assertion_failed(void)
+{
+ yyerror("Assembler %assert failed");
+}
projects / b43-tools.git / blobdiff