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/* support.h Support headers for testing Or1ksim.
 
   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
   Copyright (C) 2010 Embecosm Limited
 
   Contributor Damjan Lampret <lampret@opencores.org>
   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/>.  */
 
/* ----------------------------------------------------------------------------
   This code is commented throughout for use with Doxygen.
   --------------------------------------------------------------------------*/
 
/* This file should is included in each C test. It calls main () function and
   add support for basic functions */
 
#ifndef SUPPORT_H
#define SUPPORT_H
 
#include <stdarg.h>
#include <stddef.h>
#include <limits.h>
 
 
/*! Convenience macros for accessing memory. */
#define REG8(add)  *((volatile unsigned char *)  (add))
#define REG16(add) *((volatile unsigned short *) (add))
#define REG32(add) *((volatile unsigned long *)  (add))
 
/* Start function */
extern void  reset ();
 
/* Return a value by making a syscall */
extern void exit (int i) __attribute__ ((__noreturn__));
 
/* Version of putchar that works with Or1ksim */
extern int  putchar (int  c);
 
/* Version of puts that works with Or1ksim */
extern int  puts (const char *str);
 
/* Restricted version of printf that works with Or1ksim */
extern int  printf (const char *fmt,
		    ...);
 
/* Prints out a value */
extern void  report (unsigned long int  value);
 
/* Read the simulator timer */
extern unsigned long int  read_timer ();
 
/* For writing into SPR. */
extern void  mtspr (unsigned long int  spr,
		    unsigned long int  value);
 
/* For reading SPR. */
extern unsigned long int  mfspr (unsigned long int  spr);
 
/* memcpy clone */
extern void *memcpy (void *__restrict         __dest,
                     __const void *__restrict __src,
		     size_t                   __n);
 
/* pseudo-random number generator */
extern unsigned long int rand ();
 
/* Externally used exception handlers */
extern unsigned long int  excpt_buserr;
extern unsigned long int  excpt_dpfault;
extern unsigned long int  excpt_ipfault;
extern unsigned long int  excpt_tick;
extern unsigned long int  excpt_align;
extern unsigned long int  excpt_illinsn;
extern unsigned long int  excpt_int;
extern unsigned long int  excpt_dtlbmiss;
extern unsigned long int  excpt_itlbmiss;
extern unsigned long int  excpt_range;
extern unsigned long int  excpt_syscall;
extern unsigned long int  excpt_break;
extern unsigned long int  excpt_trap;
 
#endif