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/* support.h Support headers for testing Or1ksim.
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Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
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Copyright (C) 2010 Embecosm Limited
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Contributor Damjan Lampret <lampret@opencores.org>
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Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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This file is part of OpenRISC 1000 Architectural Simulator.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http: www.gnu.org/licenses/>. */
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/* ----------------------------------------------------------------------------
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This code is commented throughout for use with Doxygen.
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--------------------------------------------------------------------------*/
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/* This file should is included in each C test. It calls main () function and
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add support for basic functions */
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#ifndef SUPPORT_H
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#define SUPPORT_H
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#include <stdarg.h>
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#include <stddef.h>
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#include <limits.h>
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/*! Convenience macros for accessing memory. */
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#define REG8(add) *((volatile unsigned char *) (add))
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#define REG16(add) *((volatile unsigned short *) (add))
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#define REG32(add) *((volatile unsigned long *) (add))
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/* Start function */
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extern void reset ();
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/* Return a value by making a syscall */
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extern void exit (int i) __attribute__ ((__noreturn__));
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/* Version of putchar that works with Or1ksim */
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extern int putchar (int c);
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/* Version of puts that works with Or1ksim */
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extern int puts (const char *str);
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/* Restricted version of printf that works with Or1ksim */
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extern int printf (const char *fmt,
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...);
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/* Prints out a value */
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extern void report (unsigned long int value);
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/* Read the simulator timer */
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extern unsigned long int read_timer ();
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/* For writing into SPR. */
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extern void mtspr (unsigned long int spr,
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unsigned long int value);
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/* For reading SPR. */
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extern unsigned long int mfspr (unsigned long int spr);
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/* memcpy clone */
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extern void *memcpy (void *__restrict __dest,
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__const void *__restrict __src,
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size_t __n);
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/* Externally used exception handlers */
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extern unsigned long int excpt_buserr;
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extern unsigned long int excpt_dpfault;
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extern unsigned long int excpt_ipfault;
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extern unsigned long int excpt_tick;
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extern unsigned long int excpt_align;
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extern unsigned long int excpt_illinsn;
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extern unsigned long int excpt_int;
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extern unsigned long int excpt_dtlbmiss;
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extern unsigned long int excpt_itlbmiss;
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extern unsigned long int excpt_range;
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extern unsigned long int excpt_syscall;
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extern unsigned long int excpt_break;
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extern unsigned long int excpt_trap;
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#endif
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