freebsd-nq/sys/arm/include/atomic.h
Hans Petter Selasky d7a9bfee8f Implement atomic_swap_xxx() for all platforms.
Differential Revision:	https://reviews.freebsd.org/D18450
Reviewed by:		kib@
MFC after:		3 days
Sponsored by:		Mellanox Technologies
2018-12-10 13:38:13 +00:00

107 lines
4.2 KiB
C

/* $NetBSD: atomic.h,v 1.1 2002/10/19 12:22:34 bsh Exp $ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (C) 2003-2004 Olivier Houchard
* Copyright (C) 1994-1997 Mark Brinicombe
* Copyright (C) 1994 Brini
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of Brini may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL BRINI BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_ATOMIC_H_
#define _MACHINE_ATOMIC_H_
#include <sys/atomic_common.h>
#include <machine/armreg.h>
#ifndef _KERNEL
#include <machine/sysarch.h>
#endif
#if __ARM_ARCH >= 6
#include <machine/atomic-v6.h>
#else /* < armv6 */
#include <machine/atomic-v4.h>
#endif /* Arch >= v6 */
static __inline u_long
atomic_swap_long(volatile u_long *p, u_long v)
{
return (atomic_swap_32((volatile uint32_t *)p, v));
}
#define atomic_clear_ptr atomic_clear_32
#define atomic_clear_acq_ptr atomic_clear_acq_32
#define atomic_clear_rel_ptr atomic_clear_rel_32
#define atomic_set_ptr atomic_set_32
#define atomic_set_acq_ptr atomic_set_acq_32
#define atomic_set_rel_ptr atomic_set_rel_32
#define atomic_fcmpset_ptr atomic_fcmpset_32
#define atomic_fcmpset_rel_ptr atomic_fcmpset_rel_32
#define atomic_fcmpset_acq_ptr atomic_fcmpset_acq_32
#define atomic_cmpset_ptr atomic_cmpset_32
#define atomic_cmpset_acq_ptr atomic_cmpset_acq_32
#define atomic_cmpset_rel_ptr atomic_cmpset_rel_32
#define atomic_load_acq_ptr atomic_load_acq_32
#define atomic_store_rel_ptr atomic_store_rel_32
#define atomic_swap_ptr atomic_swap_32
#define atomic_readandclear_ptr atomic_readandclear_32
#define atomic_add_int atomic_add_32
#define atomic_add_acq_int atomic_add_acq_32
#define atomic_add_rel_int atomic_add_rel_32
#define atomic_subtract_int atomic_subtract_32
#define atomic_subtract_acq_int atomic_subtract_acq_32
#define atomic_subtract_rel_int atomic_subtract_rel_32
#define atomic_clear_int atomic_clear_32
#define atomic_clear_acq_int atomic_clear_acq_32
#define atomic_clear_rel_int atomic_clear_rel_32
#define atomic_set_int atomic_set_32
#define atomic_set_acq_int atomic_set_acq_32
#define atomic_set_rel_int atomic_set_rel_32
#define atomic_fcmpset_int atomic_fcmpset_32
#define atomic_fcmpset_acq_int atomic_fcmpset_acq_32
#define atomic_fcmpset_rel_int atomic_fcmpset_rel_32
#define atomic_cmpset_int atomic_cmpset_32
#define atomic_cmpset_acq_int atomic_cmpset_acq_32
#define atomic_cmpset_rel_int atomic_cmpset_rel_32
#define atomic_fetchadd_int atomic_fetchadd_32
#define atomic_readandclear_int atomic_readandclear_32
#define atomic_load_acq_int atomic_load_acq_32
#define atomic_store_rel_int atomic_store_rel_32
#define atomic_swap_int atomic_swap_32
#endif /* _MACHINE_ATOMIC_H_ */