83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/* $NetBSD: altivec.h,v 1.15 2011/05/02 06:29:23 matt Exp $ */
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/*-
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* Copyright (c) 1999 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 Matt Thomas.
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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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#ifndef _POWERPC_ALTIVEC_H_
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#define _POWERPC_ALTIVEC_H_
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#define VSCR_SA 0x00000001 /* Saturation happended (sticky) */
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#define VSCR_NJ 0x00010000 /* Non Java-IEEE-C9X FP mode */
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#ifdef _KERNEL
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#include <sys/pcu.h>
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#include <powerpc/mcontext.h>
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struct lwp;
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struct vreg;
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struct trapframe;
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extern const pcu_ops_t vec_ops;
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bool vec_used_p(struct lwp *);
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void vec_mark_used(struct lwp *);
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void vec_restore_from_mcontext(struct lwp *, const mcontext_t *);
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bool vec_save_to_mcontext(struct lwp *, mcontext_t *, unsigned int *);
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int vec_siginfo_code(const struct trapframe *);
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static inline void
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vec_load(void)
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{
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pcu_load(&vec_ops);
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}
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static inline void
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vec_save(void)
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{
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pcu_save(&vec_ops);
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}
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static inline void
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vec_discard(void)
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{
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pcu_discard(&vec_ops);
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}
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void vec_load_from_vreg(const struct vreg *);
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void vec_unload_to_vreg(struct vreg *);
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/* OEA only */
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void vzeropage(paddr_t);
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void vcopypage(paddr_t, paddr_t); /* dst, src */
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#endif
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#endif /* _POWERPC_ALTIVEC_H_ */
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