/***************************************************************************
 *   Copyright (C) 2006 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 *                                                                         *
 *   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 ARM_SIMULATOR_H
#define ARM_SIMULATOR_H

#include "types.h"

struct target_s;

struct arm_sim_interface
{
	void *user_data;
	uint32_t (*get_reg)(struct arm_sim_interface *sim, int reg);
	void (*set_reg)(struct arm_sim_interface *sim, int reg, uint32_t value);
	uint32_t (*get_reg_mode)(struct arm_sim_interface *sim, int reg);
	void (*set_reg_mode)(struct arm_sim_interface *sim, int reg, uint32_t value);
	uint32_t (*get_cpsr)(struct arm_sim_interface *sim, int pos, int bits);
	enum armv4_5_state (*get_state)(struct arm_sim_interface *sim);
	void (*set_state)(struct arm_sim_interface *sim, enum armv4_5_state mode);
	enum armv4_5_mode (*get_mode)(struct arm_sim_interface *sim);
};


/* armv4_5 version */
extern int arm_simulate_step(struct target_s *target, uint32_t *dry_run_pc);

/* a generic arm simulator. Caller must implement the sim interface */
extern int arm_simulate_step_core(target_t *target, uint32_t *dry_run_pc, struct arm_sim_interface *sim);


#endif /* ARM_SIMULATOR_H */
