104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
/* $NetBSD: fpu_extern.h,v 1.6 2003/01/18 06:45:00 thorpej Exp $ */
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/*-
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* Copyright (c) 1995 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(_KERNEL_OPT)
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#include "opt_sparc_arch.h"
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#endif
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struct proc;
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#ifndef SUN4U
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struct fpstate;
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struct trapframe;
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#else /* SUN4U */
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struct fpstate64;
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struct trapframe64;
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#endif /* SUN4U */
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union instr;
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struct fpemu;
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struct fpn;
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/* fpu.c */
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#ifndef SUN4U
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void fpu_cleanup __P((struct lwp *, struct fpstate *));
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int fpu_emulate __P((struct lwp *, struct trapframe *, struct fpstate *));
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#else /* SUN4U */
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void fpu_cleanup __P((struct lwp *, struct fpstate64 *));
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int fpu_emulate __P((struct lwp *, struct trapframe64 *, struct fpstate64 *));
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#endif /* SUN4U */
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int fpu_execute __P((struct fpemu *, union instr));
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/* fpu_add.c */
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struct fpn *fpu_add __P((struct fpemu *));
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/* fpu_compare.c */
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void fpu_compare __P((struct fpemu *, int));
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/* fpu_div.c */
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struct fpn *fpu_div __P((struct fpemu *));
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/* fpu_explode.c */
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int fpu_itof __P((struct fpn *, u_int));
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#ifdef SUN4U
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int fpu_xtof __P((struct fpn *, u_int64_t));
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#endif /* SUN4U */
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int fpu_stof __P((struct fpn *, u_int));
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int fpu_dtof __P((struct fpn *, u_int, u_int ));
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int fpu_qtof __P((struct fpn *, u_int, u_int , u_int , u_int ));
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void fpu_explode __P((struct fpemu *, struct fpn *, int, int ));
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/* fpu_implode.c */
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u_int fpu_ftoi __P((struct fpemu *, struct fpn *));
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#ifdef SUN4U
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u_int fpu_ftox __P((struct fpemu *, struct fpn *, u_int *));
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#endif /* SUN4U */
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u_int fpu_ftos __P((struct fpemu *, struct fpn *));
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u_int fpu_ftod __P((struct fpemu *, struct fpn *, u_int *));
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u_int fpu_ftoq __P((struct fpemu *, struct fpn *, u_int *));
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void fpu_implode __P((struct fpemu *, struct fpn *, int, u_int *));
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/* fpu_mul.c */
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struct fpn *fpu_mul __P((struct fpemu *));
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/* fpu_sqrt.c */
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struct fpn *fpu_sqrt __P((struct fpemu *));
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/* fpu_subr.c */
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int fpu_shr __P((register struct fpn *, register int));
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void fpu_norm __P((register struct fpn *));
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struct fpn *fpu_newnan __P((register struct fpemu *));
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