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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/powerpc/fpu/fpu_extern.h
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/*	$NetBSD: fpu_extern.h,v 1.3 2005/12/11 12:18:42 christos Exp $	*/

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/*-

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 * SPDX-License-Identifier: BSD-2-Clause

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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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 *

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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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struct proc;

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struct fpu;

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struct trapframe;

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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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int fpu_emulate(struct trapframe *, struct fpu *);

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int fpu_execute(struct trapframe *, struct fpemu *, union instr *);

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/* fpu_explode.c */

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int fpu_itof(struct fpn *, u_int);

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int fpu_xtof(struct fpn *, u_int64_t);

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int fpu_stof(struct fpn *, u_int);

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int fpu_dtof(struct fpn *, u_int, u_int);

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/* fpu_implode.c */

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u_int fpu_ftoi(struct fpemu *, struct fpn *);

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u_int fpu_ftox(struct fpemu *, struct fpn *, u_int *);

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u_int fpu_ftos(struct fpemu *, struct fpn *);

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u_int fpu_ftod(struct fpemu *, struct fpn *, u_int *);

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