1*60e85183Smatt/* $NetBSD: fpsetsticky.S,v 1.6 2013/01/11 13:55:26 matt Exp $ */ 25aefcfdcSbjh21 3*60e85183Smatt/*- 4*60e85183Smatt * Copyright (c) 2013 The NetBSD Foundation, Inc. 55aefcfdcSbjh21 * All rights reserved. 65aefcfdcSbjh21 * 7*60e85183Smatt * This code is derived from software contributed to The NetBSD Foundation 8*60e85183Smatt * by Matt Thomas of 3am Software Foundry. 9*60e85183Smatt * 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 * 19*60e85183Smatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*60e85183Smatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*60e85183Smatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*60e85183Smatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*60e85183Smatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*60e85183Smatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*60e85183Smatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*60e85183Smatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*60e85183Smatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*60e85183Smatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*60e85183Smatt * POSSIBILITY OF SUCH DAMAGE. 305aefcfdcSbjh21 */ 315aefcfdcSbjh21 32*60e85183Smatt#ifndef __VFP_FP__ 33*60e85183Smatt#error FPA is not supported anymore 34*60e85183Smatt#endif 35*60e85183Smatt 36*60e85183Smatt#include <arm/asm.h> 37*60e85183Smatt#include <arm/vfpreg.h> 385aefcfdcSbjh21 395aefcfdcSbjh21/* 405aefcfdcSbjh21 * Set the current FP cumulative flags 415aefcfdcSbjh21 */ 425aefcfdcSbjh21 435d3e8294Sthorpej#ifdef WEAK_ALIAS 445d3e8294SthorpejWEAK_ALIAS(fpsetsticky, _fpsetsticky) 45*60e85183Smatt#define fpsetsticky _fpsetsticky 46*60e85183Smatt#endif 47*60e85183Smatt 485aefcfdcSbjh21ENTRY(fpsetsticky) 49*60e85183Smatt and r1, r0, #VFP_FPSCR_CSUM 50*60e85183Smatt vmrs r0, fpscr 51*60e85183Smatt bic r2, r0, #VFP_FPSCR_CSUM 52*60e85183Smatt orr r1, r1, r2 53*60e85183Smatt vmsr fpscr, r1 54*60e85183Smatt and r0, r0, #VFP_FPSCR_CSUM 55d6621260Srearnsha RET 56*60e85183SmattEND(fpsetsticky) 57