/**

  * $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