/**

 * $Id: gendec.h,v 1.2 2007-10-06 08:48:47 nkeynes Exp $

 *

 * mem is responsible for creating and maintaining the overall system memory

 * map, as visible from the SH4 processor. (Note the ARM has a different map)

 *

 * Copyright (c) 2005 Nathan Keynes.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

#ifndef gendec_H

#define gendec_H

#include <stdint.h>

#ifdef __cplusplus

extern "C" {

#endif

#define MAX_OPERAND_NAME 8

#define MAX_OPERANDS 4

#define MAX_OPERATION_FORMAT 64

#define MAX_RULES 512

#define USE_NONE 0

#define USE_READ 1

#define USE_WRITE 2

#define USE_READWRITE 3

struct operand {

    int bit_count;

    int bit_shift;

    int left_shift;

    int is_signed;

    int use_mode;

    char name[MAX_OPERAND_NAME+1];

};

struct rule {

    uint32_t bits;

    uint32_t mask;

    int bit_count;

    int operand_count;

    int flags_use_mode;

    struct operand operands[MAX_OPERANDS];

    char format[MAX_OPERATION_FORMAT+1];

};

struct ruleset {

    uint32_t rule_count;

    struct rule *rules[MAX_RULES];

};

struct ruleset *parse_ruleset_file( FILE *f );

void dump_ruleset( struct ruleset *rules, FILE *f );

void dump_rulesubset( struct ruleset *rules, int ruleidx[], int rule_count, FILE *f );

struct action {

    char operand_names[MAX_OPERANDS][MAX_OPERAND_NAME+1];

    char *body;

};

struct actionset {

    char *pretext;

    char *posttext;

    char *actions[MAX_RULES];

};

struct actionset *parse_action_file( struct ruleset *rules, FILE *f );

int generate_decoder( struct ruleset *rules, struct actionset *actions, FILE *f );

#ifdef __cplusplus

}

#endif

#endif