1*84d9c625SLionel Sambuc /*-
2*84d9c625SLionel Sambuc * Copyright (c) 2013 The NetBSD Foundation, Inc.
3*84d9c625SLionel Sambuc * All rights reserved.
4*84d9c625SLionel Sambuc *
5*84d9c625SLionel Sambuc * This code is derived from software contributed to The NetBSD Foundation
6*84d9c625SLionel Sambuc * by Matt Thomas of 3am Software Foundry.
7*84d9c625SLionel Sambuc *
8*84d9c625SLionel Sambuc * Redistribution and use in source and binary forms, with or without
9*84d9c625SLionel Sambuc * modification, are permitted provided that the following conditions
10*84d9c625SLionel Sambuc * are met:
11*84d9c625SLionel Sambuc * 1. Redistributions of source code must retain the above copyright
12*84d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer.
13*84d9c625SLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
14*84d9c625SLionel Sambuc * notice, this list of conditions and the following disclaimer in the
15*84d9c625SLionel Sambuc * documentation and/or other materials provided with the distribution.
16*84d9c625SLionel Sambuc *
17*84d9c625SLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18*84d9c625SLionel Sambuc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19*84d9c625SLionel Sambuc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20*84d9c625SLionel Sambuc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21*84d9c625SLionel Sambuc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22*84d9c625SLionel Sambuc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23*84d9c625SLionel Sambuc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24*84d9c625SLionel Sambuc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25*84d9c625SLionel Sambuc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26*84d9c625SLionel Sambuc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27*84d9c625SLionel Sambuc * POSSIBILITY OF SUCH DAMAGE.
28*84d9c625SLionel Sambuc */
29*84d9c625SLionel Sambuc
30*84d9c625SLionel Sambuc #include "namespace.h"
31*84d9c625SLionel Sambuc
32*84d9c625SLionel Sambuc #include <ieeefp.h>
33*84d9c625SLionel Sambuc #include <m68k/fpreg.h>
34*84d9c625SLionel Sambuc
35*84d9c625SLionel Sambuc #ifdef __weak_alias
__weak_alias(fpsetsticky,_fpsetsticky)36*84d9c625SLionel Sambuc __weak_alias(fpsetsticky,_fpsetsticky)
37*84d9c625SLionel Sambuc #endif
38*84d9c625SLionel Sambuc
39*84d9c625SLionel Sambuc fp_except
40*84d9c625SLionel Sambuc _fpsetsticky(fp_except new)
41*84d9c625SLionel Sambuc {
42*84d9c625SLionel Sambuc int old_fpsr, new_fpsr;
43*84d9c625SLionel Sambuc
44*84d9c625SLionel Sambuc __asm("fmovel %%fpsr,%0" : "=d"(old_fpsr));
45*84d9c625SLionel Sambuc
46*84d9c625SLionel Sambuc new_fpsr = (old_fpsr & ~FPSR_AEX) | __SHIFTIN(new, FPSR_AEX);
47*84d9c625SLionel Sambuc
48*84d9c625SLionel Sambuc __asm("fmovel %0,%%fpsr" :: "d"(new_fpsr));
49*84d9c625SLionel Sambuc
50*84d9c625SLionel Sambuc return __SHIFTOUT(old_fpsr, FPSR_AEX);
51*84d9c625SLionel Sambuc }
52