115 lines
3.8 KiB
C
115 lines
3.8 KiB
C
/* $NetBSD: atomic.h,v 1.1 2002/10/19 12:22:34 bsh Exp $ */
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/*-
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* Copyright (C) 2003-2004 Olivier Houchard
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* Copyright (C) 1994-1997 Mark Brinicombe
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* Copyright (C) 1994 Brini
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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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 Brini.
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* 4. The name of Brini may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_ATOMIC_H_
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#define _MACHINE_ATOMIC_H_
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#include <sys/types.h>
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#include <machine/armreg.h>
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#include <machine/acle-compat.h>
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#ifndef _KERNEL
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#include <machine/sysarch.h>
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#else
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#include <machine/cpuconf.h>
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#endif
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#if __ARM_ARCH >= 6
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#include <machine/atomic-v6.h>
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#else /* < armv6 */
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#include <machine/atomic-v4.h>
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#endif /* Arch >= v6 */
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static __inline int
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atomic_load_32(volatile uint32_t *v)
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{
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return (*v);
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}
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static __inline void
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atomic_store_32(volatile uint32_t *dst, uint32_t src)
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{
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*dst = src;
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}
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static __inline int
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atomic_load_long(volatile u_long *v)
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{
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return (*v);
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}
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static __inline void
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atomic_store_long(volatile u_long *dst, u_long src)
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{
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*dst = src;
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}
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#define atomic_clear_ptr atomic_clear_32
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#define atomic_set_ptr atomic_set_32
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#define atomic_cmpset_ptr atomic_cmpset_32
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#define atomic_cmpset_rel_ptr atomic_cmpset_rel_32
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#define atomic_cmpset_acq_ptr atomic_cmpset_acq_32
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#define atomic_store_ptr atomic_store_32
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#define atomic_store_rel_ptr atomic_store_rel_32
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#define atomic_add_int atomic_add_32
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#define atomic_add_acq_int atomic_add_acq_32
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#define atomic_add_rel_int atomic_add_rel_32
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#define atomic_subtract_int atomic_subtract_32
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#define atomic_subtract_acq_int atomic_subtract_acq_32
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#define atomic_subtract_rel_int atomic_subtract_rel_32
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#define atomic_clear_int atomic_clear_32
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#define atomic_clear_acq_int atomic_clear_acq_32
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#define atomic_clear_rel_int atomic_clear_rel_32
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#define atomic_set_int atomic_set_32
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#define atomic_set_acq_int atomic_set_acq_32
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#define atomic_set_rel_int atomic_set_rel_32
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#define atomic_cmpset_int atomic_cmpset_32
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#define atomic_cmpset_acq_int atomic_cmpset_acq_32
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#define atomic_cmpset_rel_int atomic_cmpset_rel_32
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#define atomic_fetchadd_int atomic_fetchadd_32
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#define atomic_readandclear_int atomic_readandclear_32
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#define atomic_load_acq_int atomic_load_acq_32
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#define atomic_store_rel_int atomic_store_rel_32
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#define atomic_swap_int atomic_swap_32
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#endif /* _MACHINE_ATOMIC_H_ */
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