1/*-
2 * Copyright (c) 1990 William Jolitz.
3 * Copyright (c) 1991 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * from: @(#)npx.c 7.2 (Berkeley) 5/12/91
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/i386/isa/npx.c 267767 2014-06-23 07:37:54Z kib $");
35
36#include "opt_cpu.h"
37#include "opt_isa.h"
38#include "opt_npx.h"
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/bus.h>

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756
757 stop_emulating();
758 fpusave(addr);
759
760 start_emulating();
761 PCPU_SET(fpcurthread, NULL);
762}
763
764void
765npxdrop()
766{
767 struct thread *td;
768
769 /*
770 * Discard pending exceptions in the !cpu_fxsr case so that unmasked
771 * ones don't cause a panic on the next frstor.
772 */

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