/*

 * LIBOIL - Library of Optimized Inner Loops

 * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,

 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGE.

 */

#ifdef HAVE_CONFIG_H

#include "config.h"

#endif

#include <liboil/liboilfunction.h>

#include <liboil/liboildebug.h>

#include <liboil/liboilcpu.h>

#include <liboil/liboilfault.h>

#include <liboil/liboilutils.h>

#include <unistd.h>

#include <fcntl.h>

#include <stdlib.h>

#include <string.h>

#include <stdio.h>

#include <setjmp.h>

#include <signal.h>

#include <sys/time.h>

#include <time.h>

/***** alpha *****/

#if defined(__alpha__)

static unsigned long

oil_profile_stamp_alpha(void)

{

  unsigned int ts;

  __asm__ __volatile__ ("rpcc %0\n" : "=r"(ts));

  return ts;

}

static void

oil_cpu_detect_alpha(void)

{

  _oil_profile_stamp = oil_profile_stamp_alpha;

}

#endif

/***** ia64 *****/

#if defined(__ia64__)

static unsigned long

oil_profile_stamp_ia64(void)

{

  unsigned int ts;

  __asm__ __volatile__("mov %0=ar.itc\n" : "=r"(ts) :: "memory");

  return ts;

}

static void

oil_cpu_detect_ia64(void)

{

  _oil_profile_stamp = oil_profile_stamp_ia64;

}

#endif

/***** s390 *****/

#if defined(__s390__)

static unsigned long

oil_profile_stamp_s390(void)

{

  uint64_t ts;

  __asm__ __volatile__ ("STCK %0(%0)\n" : : "r" (&ts));

  return ts;

}

static void

oil_cpu_detect_s390(void)

{

  _oil_profile_stamp = oil_profile_stamp_s390;

}

#endif

/***** mips *****/

#if defined(__mips__)

#if 0

/* broken */

static unsigned long

oil_profile_stamp_mips(void)

{

	unsigned int ts;

	__asm__ __volatile__ (

		"	.set	push		\n"

		"	.set	reorder		\n"

		"	mfc0	%0,$9		\n"

		"	.set	pop		\n"

	: "=m" (ts));

	return ts;

}

#endif

static void

oil_cpu_detect_mips(void)

{

  //_oil_profile_stamp = oil_profile_stamp_mips;

}

#endif

void

oil_cpu_detect_arch(void)

{

#ifdef __alpha__

  oil_cpu_detect_alpha();

#endif

#ifdef __ia64__

  oil_cpu_detect_ia64();

#endif

#ifdef __s390__

  oil_cpu_detect_s390();

#endif

#ifdef __mips__

  oil_cpu_detect_mips();

#endif

}