1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27/* Copyright (c) 1988 AT&T */ 28/* All Rights Reserved */ 29 30 .file "fpgetmask.s" 31 32#include "SYS.h" 33 34 ANSI_PRAGMA_WEAK(fpgetmask,function) 35 36 ENTRY(fpgetmask) 37 add %sp, -SA(MINFRAME), %sp ! get an additional word of storage 38 set 0x0f800000, %o4 ! mask of trap enable bits 39 st %fsr, [%sp+STACK_BIAS+ARGPUSH] ! get fsr value 40 ld [%sp+STACK_BIAS+ARGPUSH], %o0 ! load into register 41 and %o0, %o4, %o0 ! mask off bits of interest 42 srl %o0, 23, %o0 ! return trap enable value 43 retl 44 add %sp, SA(MINFRAME), %sp ! reclaim stack space 45 46 SET_SIZE(fpgetmask) 47