1*29673540Smatt/* $NetBSD: fpgetmask.S,v 1.7 2013/08/02 02:07:00 matt Exp $ */ 25aefcfdcSbjh21 360e85183Smatt/*- 460e85183Smatt * Copyright (c) 2013 The NetBSD Foundation, Inc. 55aefcfdcSbjh21 * All rights reserved. 65aefcfdcSbjh21 * 760e85183Smatt * This code is derived from software contributed to The NetBSD Foundation 860e85183Smatt * by Matt Thomas of 3am Software Foundry. 960e85183Smatt * 105aefcfdcSbjh21 * Redistribution and use in source and binary forms, with or without 115aefcfdcSbjh21 * modification, are permitted provided that the following conditions 125aefcfdcSbjh21 * are met: 135aefcfdcSbjh21 * 1. Redistributions of source code must retain the above copyright 145aefcfdcSbjh21 * notice, this list of conditions and the following disclaimer. 155aefcfdcSbjh21 * 2. Redistributions in binary form must reproduce the above copyright 165aefcfdcSbjh21 * notice, this list of conditions and the following disclaimer in the 175aefcfdcSbjh21 * documentation and/or other materials provided with the distribution. 185aefcfdcSbjh21 * 1960e85183Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2060e85183Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2160e85183Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2260e85183Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 2360e85183Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2460e85183Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2560e85183Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2660e85183Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2760e85183Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2860e85183Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2960e85183Smatt * POSSIBILITY OF SUCH DAMAGE. 305aefcfdcSbjh21 */ 315aefcfdcSbjh21 3260e85183Smatt#ifndef __VFP_FP__ 3360e85183Smatt#error FPA is not supported anymore 3460e85183Smatt#endif 3560e85183Smatt#include <arm/asm.h> 3660e85183Smatt#include <arm/vfpreg.h> 375aefcfdcSbjh21 385aefcfdcSbjh21/* 395aefcfdcSbjh21 * Return the current FP exception enable mask 405aefcfdcSbjh21 */ 415aefcfdcSbjh21 425d3e8294Sthorpej#ifdef WEAK_ALIAS 435d3e8294SthorpejWEAK_ALIAS(fpgetmask, _fpgetmask) 4460e85183Smatt#define fpgetmask _fpgetmask 4560e85183Smatt#endif 4660e85183Smatt 475aefcfdcSbjh21ENTRY(fpgetmask) 48*29673540Smatt vmrs r0, fpscr 4960e85183Smatt mov r0, r0, lsr #8 50*29673540Smatt and r0, r0, #VFP_FPSCR_CSUM 51d6621260Srearnsha RET 5260e85183SmattEND(fpgetmask) 53