ac_decoder.h

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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/*  Generic decoder for arquitectures described in ArchC
    Copyright (C) 2002-2004  The ArchC Team

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.
*/

/********************************************************/
/* The ArchC Decoder Generator                          */
/* Author: Marcus Bartholomeu and Sandro Rigo           */
/*                                                      */
/*                                                      */
/* The ArchC Team                                       */
/* Computer Systems Laboratory (LSC)                    */
/* IC-UNICAMP                                           */
/* http://www.lsc.ic.unicamp.br                         */
/********************************************************/

#ifndef _AC_DECODER_H_
#define _AC_DECODER_H_

#ifdef __cplusplus
extern "C" {
#endif


typedef struct _ac_dec_field{
  char *name;                 
  int size;                   
  int first_bit;              
  int id;                     
  long val;                   
  int sign;                   
  struct _ac_dec_field *next; 
} ac_dec_field;

typedef struct _ac_dec_format{
  char *name;                  
  int size;                    
  ac_dec_field *fields;        
  struct _ac_dec_format *next; 
} ac_dec_format;

typedef struct _ac_dec_list{
  char *name;                   
  int value;                    
  struct _ac_dec_list *next; 
} ac_dec_list;

typedef struct _ac_dec_instr{
  char *name;                 
  int size;                   
  char *mnemonic;             
  char *asm_str;              
  char *format;               
  unsigned id;                
  unsigned cycles;            
  unsigned min_latency;       
  unsigned max_latency;       
  ac_dec_list *dec_list;      
  struct _ac_dec_instr *next; 
} ac_dec_instr;


typedef struct _ac_decoder{
  ac_dec_list *check;           
  ac_dec_instr *found;          
  struct _ac_decoder *subcheck; 
  struct _ac_decoder *next;     
} ac_decoder;


typedef struct _ac_decoder_full{
  ac_decoder *decoder;
  ac_dec_format *formats;
  ac_dec_field *fields;
  ac_dec_instr *instructions;
  unsigned nFields;
} ac_decoder_full;
  

void MemoryError(char *fileName, long lineNumber, char *functionName);
void ShowError(char *msg);
void ShowDecField(ac_dec_field *f);
void ShowDecFormat(ac_dec_format *f);
void ShowDecodeList(ac_dec_list *l);
void ShowDecInstr(ac_dec_instr *i);
void ShowDecoder(ac_decoder *d, unsigned level);
ac_decoder_full *CreateDecoder(ac_dec_format *formats, ac_dec_instr *instructions);

ac_dec_format *FindFormat(ac_dec_format *formats, char *name);
ac_dec_instr *GetInstrByID(ac_dec_instr *instr, int id);
unsigned *Decode(ac_decoder_full *decoder, unsigned char *buffer, int quant);

#ifdef __cplusplus
}
#endif

#endif

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