sl@0: /*
sl@0:  * LIBOIL - Library of Optimized Inner Loops
sl@0:  * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
sl@0:  * All rights reserved.
sl@0:  *
sl@0:  * Redistribution and use in source and binary forms, with or without
sl@0:  * modification, are permitted provided that the following conditions
sl@0:  * are met:
sl@0:  * 1. Redistributions of source code must retain the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer.
sl@0:  * 2. Redistributions in binary form must reproduce the above copyright
sl@0:  *    notice, this list of conditions and the following disclaimer in the
sl@0:  *    documentation and/or other materials provided with the distribution.
sl@0:  * 
sl@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
sl@0:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
sl@0:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
sl@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
sl@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
sl@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
sl@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
sl@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
sl@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
sl@0:  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
sl@0:  * POSSIBILITY OF SUCH DAMAGE.
sl@0:  */
sl@0: 
sl@0: #ifdef HAVE_CONFIG_H
sl@0: #include "config.h"
sl@0: #endif
sl@0: #include <liboil/liboilfunction.h>
sl@0: #include <liboil/liboildebug.h>
sl@0: #include <liboil/liboilcpu.h>
sl@0: #include <liboil/liboilfault.h>
sl@0: #include <liboil/liboilutils.h>
sl@0: 
sl@0: #include <unistd.h>
sl@0: #include <fcntl.h>
sl@0: #include <stdlib.h>
sl@0: #include <string.h>
sl@0: #include <stdio.h>
sl@0: #include <setjmp.h>
sl@0: #include <signal.h>
sl@0: #include <sys/time.h>
sl@0: #include <time.h>
sl@0: 
sl@0: /***** alpha *****/
sl@0: 
sl@0: #if defined(__alpha__)
sl@0: static unsigned long
sl@0: oil_profile_stamp_alpha(void)
sl@0: {
sl@0:   unsigned int ts;
sl@0:   __asm__ __volatile__ ("rpcc %0\n" : "=r"(ts));
sl@0:   return ts;
sl@0: }
sl@0: 
sl@0: static void
sl@0: oil_cpu_detect_alpha(void)
sl@0: {
sl@0:   _oil_profile_stamp = oil_profile_stamp_alpha;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: /***** ia64 *****/
sl@0: 
sl@0: #if defined(__ia64__)
sl@0: static unsigned long
sl@0: oil_profile_stamp_ia64(void)
sl@0: {
sl@0:   unsigned int ts;
sl@0:   __asm__ __volatile__("mov %0=ar.itc\n" : "=r"(ts) :: "memory");
sl@0:   return ts;
sl@0: }
sl@0: 
sl@0: static void
sl@0: oil_cpu_detect_ia64(void)
sl@0: {
sl@0:   _oil_profile_stamp = oil_profile_stamp_ia64;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: /***** s390 *****/
sl@0: 
sl@0: #if defined(__s390__)
sl@0: static unsigned long
sl@0: oil_profile_stamp_s390(void)
sl@0: {
sl@0:   uint64_t ts;
sl@0:   __asm__ __volatile__ ("STCK %0(%0)\n" : : "r" (&ts));
sl@0:   return ts;
sl@0: }
sl@0: 
sl@0: static void
sl@0: oil_cpu_detect_s390(void)
sl@0: {
sl@0:   _oil_profile_stamp = oil_profile_stamp_s390;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: /***** mips *****/
sl@0: 
sl@0: #if defined(__mips__)
sl@0: #if 0
sl@0: /* broken */
sl@0: static unsigned long
sl@0: oil_profile_stamp_mips(void)
sl@0: {
sl@0: 	unsigned int ts;
sl@0: 	__asm__ __volatile__ (
sl@0: 		"	.set	push		\n"
sl@0: 		"	.set	reorder		\n"
sl@0: 		"	mfc0	%0,$9		\n"
sl@0: 		"	.set	pop		\n"
sl@0: 	: "=m" (ts));
sl@0: 	return ts;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: static void
sl@0: oil_cpu_detect_mips(void)
sl@0: {
sl@0:   //_oil_profile_stamp = oil_profile_stamp_mips;
sl@0: }
sl@0: #endif
sl@0: 
sl@0: void
sl@0: oil_cpu_detect_arch(void)
sl@0: {
sl@0: #ifdef __alpha__
sl@0:   oil_cpu_detect_alpha();
sl@0: #endif
sl@0: #ifdef __ia64__
sl@0:   oil_cpu_detect_ia64();
sl@0: #endif
sl@0: #ifdef __s390__
sl@0:   oil_cpu_detect_s390();
sl@0: #endif
sl@0: #ifdef __mips__
sl@0:   oil_cpu_detect_mips();
sl@0: #endif
sl@0: }
sl@0: