/*  This file is part of the program psim.

    Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au>
    Copyright (C) 1997, 1998, Free Software Foundation, Inc.

    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.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
    */


#ifndef _SIM_BASICS_H_
#define _SIM_BASICS_H_


/* Basic configuration */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

/* Basic host dependant mess - hopefully <stdio.h> + <stdarg.h> will
   bring potential conflicts out in the open */

#include <stdarg.h>
#include <stdio.h>
#include <setjmp.h>

#ifdef __CYGWIN32__
extern int vasprintf (char **result, const char *format, va_list args);
extern int asprintf (char **result, const char *format, ...);
#endif


#ifndef NULL
#define NULL 0
#endif


/* Some versions of GCC include an attribute operator, define it */

#if !defined (__attribute__)
#if (!defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 6))
#define __attribute__(arg)
#endif
#endif


/* Global types that code manipulates */

typedef struct _device device;
struct hw;
struct _sim_fpu;


/* Generic address space (maps) and access attributes */

enum {
  read_map = 0,
  write_map = 1,
  exec_map = 2,
  io_map = 3,
  nr_maps = 32, /* something small */
};

enum {
  access_invalid = 0,
  access_read = 1 << read_map,
  access_write = 1 << write_map,
  access_exec = 1 << exec_map,
  access_io = 1 << io_map,
};

enum {
  access_read_write = (access_read | access_write),
  access_read_exec = (access_read | access_exec),
  access_write_exec = (access_write | access_exec),
  access_read_write_exec = (access_read | access_write | access_exec),
  access_read_io = (access_read | access_io),
  access_write_io = (access_write | access_io),
  access_read_write_io = (access_read | access_write | access_io),
  access_exec_io = (access_exec | access_io),
  access_read_exec_io = (access_read | access_exec | access_io),
  access_write_exec_io = (access_write | access_exec | access_io),
  access_read_write_exec_io = (access_read | access_write | access_exec | access_io),
};


/* disposition of an object when things are reset */

typedef enum {
  permenant_object,
  temporary_object,
} object_disposition;


/* Memory transfer types */

typedef enum _transfer_type {
  read_transfer,
  write_transfer,
} transfer_type;


/* directions */

typedef enum {
  bidirect_port,
  input_port,
  output_port,
} port_direction;


/* Basic definitions - ordered so that nothing calls what comes after it.  */

/* FIXME: conditionalizing tconfig.h on HAVE_CONFIG_H seems wrong.  */
#ifdef HAVE_CONFIG_H
#include "tconfig.h"
#endif

#include "ansidecl.h"
#include "callback.h"
#include "remote-sim.h"

#include "sim-config.h"

#include "sim-inline.h"

#include "sim-types.h"
#include "sim-bits.h"
#include "sim-endian.h"
#include "sim-signal.h"
#include "sim-arange.h"

#include "sim-utils.h"

/* Note: Only the simpler interfaces are defined here.  More heavy
   weight objects, such as core and events, are defined in the more
   serious sim-base.h header. */

#endif /* _SIM_BASICS_H_ */