1209878Snwhitehorn/* $NetBSD: fpgetsticky.c,v 1.3 2002/01/13 21:45:48 thorpej Exp $ */ 2209878Snwhitehorn 3209878Snwhitehorn/* 4209878Snwhitehorn * Copyright (c) 1999 The NetBSD Foundation, Inc. 5209878Snwhitehorn * All rights reserved. 6209878Snwhitehorn * 7209878Snwhitehorn * This code is derived from software contributed to The NetBSD Foundation 8209878Snwhitehorn * by Dan Winship. 9209878Snwhitehorn * 10209878Snwhitehorn * Redistribution and use in source and binary forms, with or without 11209878Snwhitehorn * modification, are permitted provided that the following conditions 12209878Snwhitehorn * are met: 13209878Snwhitehorn * 1. Redistributions of source code must retain the above copyright 14209878Snwhitehorn * notice, this list of conditions and the following disclaimer. 15209878Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 16209878Snwhitehorn * notice, this list of conditions and the following disclaimer in the 17209878Snwhitehorn * documentation and/or other materials provided with the distribution. 18209878Snwhitehorn * 19209878Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20209878Snwhitehorn * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21209878Snwhitehorn * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22209878Snwhitehorn * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23209878Snwhitehorn * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24209878Snwhitehorn * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25209878Snwhitehorn * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26209878Snwhitehorn * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27209878Snwhitehorn * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28209878Snwhitehorn * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29209878Snwhitehorn * POSSIBILITY OF SUCH DAMAGE. 30209878Snwhitehorn * 31209878Snwhitehorn * $FreeBSD$ 32209878Snwhitehorn */ 33209878Snwhitehorn 34209878Snwhitehorn#include <sys/cdefs.h> 35209878Snwhitehorn 36209878Snwhitehorn#include "namespace.h" 37209878Snwhitehorn 38209878Snwhitehorn#include <sys/types.h> 39209878Snwhitehorn#include <ieeefp.h> 40209878Snwhitehorn 41209878Snwhitehorn#ifndef _SOFT_FLOAT 42209878Snwhitehorn#ifdef __weak_alias 43209878Snwhitehorn__weak_alias(fpgetsticky,_fpgetsticky) 44209878Snwhitehorn#endif 45209878Snwhitehorn 46209878Snwhitehornfp_except_t 47209878Snwhitehornfpgetsticky() 48209878Snwhitehorn{ 49209878Snwhitehorn u_int64_t fpscr; 50209878Snwhitehorn 51209878Snwhitehorn __asm__ __volatile("mffs %0" : "=f"(fpscr)); 52209878Snwhitehorn return ((fp_except_t)((fpscr >> 25) & 0x1f)); 53209878Snwhitehorn} 54209878Snwhitehorn#endif 55