/*
 * Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
 * Copyright (C) 2010 chysun2000@gmail.com
 *
 * This file is part of nios2sim-ng.
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */

#ifndef _NIOS2_H_
#define _NIOS2_H_

#include "instruction.h"

#define NIOS2_GP_REG_COUNT	32
/* there are really 32, but 16-31 are reserved for future use */
#define NIOS2_CTRL_REG_COUNT	16

struct nios2 {
	/* General-Purpose Registers */
	uint32_t gp_regs[NIOS2_GP_REG_COUNT];
	/* Control Registers */
	uint32_t ctrl_regs[NIOS2_CTRL_REG_COUNT];
	/* Program counter */
	uint32_t pc;
};

#define PC_INC_NORMAL	0
#define PC_INC_BY_INSTR	1

#endif /* _NIOS2_H_ */