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/* or1ksim.h -- Simulator library header file
 
   Copyright (C) 2008 Embecosm Limited
 
   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
 
   This file is part of OpenRISC 1000 Architectural Simulator.
 
   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 3 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, see <http://www.gnu.org/licenses/>. */
 
 
/* Header file definining the interface to the Or1ksim library. */
 
 
#ifndef OR1KSIM__H
#define OR1KSIM__H
 
 
/* The bus width */
 
/* #define BUSWIDTH  32 */
 
/* The return codes */
 
enum  or1ksim_rc {
  OR1KSIM_RC_OK,		/* No error */
 
  OR1KSIM_RC_BADINIT,		/* Couldn't initialize */
  OR1KSIM_RC_BRKPT		/* Hit a breakpoint */
};
 
/* The interface methods */
 
#ifdef __cplusplus
extern "C" {
#endif
 
int  or1ksim_init (const char         *config_file,
		   const char         *image_file,
		   void               *class_ptr,
		   unsigned long int (*upr) (void              *class_ptr,
					     unsigned long int  addr,
					     unsigned long int  mask),
		   void              (*upw) (void              *class_ptr,
					     unsigned long int  addr,
					     unsigned long int  mask,
					     unsigned long int  wdata));
 
int  or1ksim_run (double  duration);
 
void  or1ksim_reset_duration (double duration);
 
void  or1ksim_set_time_point ();
 
double  or1ksim_get_time_period ();
 
int  or1ksim_is_le ();
 
unsigned long int  or1ksim_clock_rate();
 
/* Interrupt handling interface */
void  or1ksim_interrupt (int  i);
 
void or1ksim_interrupt_set (int  i);
 
void  or1ksim_interrupt_clear (int  i);
 
/* JTAG interface */
double  or1ksim_jtag_reset ();
 
double  or1ksim_jtag_shift_ir (unsigned char *jreg);
 
double  or1ksim_jtag_shift_dr (unsigned char *jreg);
 
 
#ifdef __cplusplus
}
#endif
 
 
#endif	/* OR1KSIM__H */