76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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/* External functions, constants and defines for itbl support */
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#include "itbl-cpu.h"
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/* Defaults for definitions required by generic code */
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#ifndef ITBL_NUMBER_OF_PROCESSORS
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#define ITBL_NUMBER_OF_PROCESSORS 1
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#endif
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#ifndef ITBL_MAX_BITPOS
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#define ITBL_MAX_BITPOS 31
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#endif
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#ifndef ITBL_TYPE
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#define ITBL_TYPE unsigned long
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#endif
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#ifndef ITBL_IS_INSN
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#define ITBL_IS_INSN(insn) 1
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#endif
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#ifndef ITBL_DECODE_PNUM
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#define ITBL_DECODE_PNUM(insn) 0
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#endif
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#ifndef ITBL_ENCODE_PNUM
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#define ITBL_ENCODE_PNUM(pnum) 0
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#endif
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typedef ITBL_TYPE t_insn;
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/* types of entries */
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typedef enum
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{
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e_insn,
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e_dreg,
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e_regtype0 = e_dreg,
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e_creg,
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e_greg,
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e_addr,
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e_nregtypes = e_greg+1,
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e_immed,
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e_ntypes,
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e_invtype /* invalid type */
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} e_type;
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typedef enum
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{
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e_p0,
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e_nprocs=NUMBER_OF_PROCESSORS,
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e_invproc /* invalid processor */
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} e_processor;
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/* These routines are visible to the main part of the assembler */
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int itbl_parse(char* insntbl);
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void itbl_init(void);
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char *itbl_get_field(char **s);
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unsigned long itbl_assemble(char *name, char *operands);
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int itbl_disassemble(char *str, unsigned long insn);
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int itbl_parse(char *tbl); /* parses insn tbl */
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unsigned long itbl_get_reg_val(char *name);
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unsigned long itbl_get_val(e_processor processor, e_type type, char *name);
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char *itbl_get_name(e_processor processor, e_type type, unsigned long val);
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/* These routines are called by the table parser used to build the
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* dynamic list of new processor instructions and registers. */
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struct itbl_entry *itbl_add_reg(int yyproc, int yytype, char *regname, int regnum);
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struct itbl_entry *itbl_add_insn(int yyproc, char *name, unsigned long value,
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int sbit, int ebit, unsigned long flags);
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struct itbl_field *itbl_add_operand(struct itbl_entry *e, int yytype,
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int sbit, int ebit, unsigned long flags);
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