atomic.h revision 321039
1129198Scognet/* $NetBSD: atomic.h,v 1.1 2002/10/19 12:22:34 bsh Exp $ */ 2129198Scognet 3139735Simp/*- 4129198Scognet * Copyright (C) 2003-2004 Olivier Houchard 5129198Scognet * Copyright (C) 1994-1997 Mark Brinicombe 6129198Scognet * Copyright (C) 1994 Brini 7129198Scognet * All rights reserved. 8129198Scognet * 9129198Scognet * This code is derived from software written for Brini by Mark Brinicombe 10129198Scognet * 11129198Scognet * Redistribution and use in source and binary forms, with or without 12129198Scognet * modification, are permitted provided that the following conditions 13129198Scognet * are met: 14129198Scognet * 1. Redistributions of source code must retain the above copyright 15129198Scognet * notice, this list of conditions and the following disclaimer. 16129198Scognet * 2. Redistributions in binary form must reproduce the above copyright 17129198Scognet * notice, this list of conditions and the following disclaimer in the 18129198Scognet * documentation and/or other materials provided with the distribution. 19129198Scognet * 3. All advertising materials mentioning features or use of this software 20129198Scognet * must display the following acknowledgement: 21129198Scognet * This product includes software developed by Brini. 22129198Scognet * 4. The name of Brini may not be used to endorse or promote products 23129198Scognet * derived from this software without specific prior written permission. 24129198Scognet * 25129198Scognet * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR 26129198Scognet * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 27129198Scognet * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28129198Scognet * IN NO EVENT SHALL BRINI BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29129198Scognet * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 30129198Scognet * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 31129198Scognet * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 32129198Scognet * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 33129198Scognet * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 34129198Scognet * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 35129198Scognet * 36129198Scognet * $FreeBSD: stable/11/sys/arm/include/atomic.h 321039 2017-07-16 00:25:00Z markj $ 37129198Scognet */ 38129198Scognet 39129198Scognet#ifndef _MACHINE_ATOMIC_H_ 40129198Scognet#define _MACHINE_ATOMIC_H_ 41129198Scognet 42271398Sandrew#include <machine/armreg.h> 43129198Scognet 44175982Sraj#ifndef _KERNEL 45175982Sraj#include <machine/sysarch.h> 46175982Sraj#endif 47175982Sraj 48285631Sandrew#if __ARM_ARCH >= 6 49285631Sandrew#include <machine/atomic-v6.h> 50239268Sgonzo#else /* < armv6 */ 51285631Sandrew#include <machine/atomic-v4.h> 52239268Sgonzo#endif /* Arch >= v6 */ 53239268Sgonzo 54239268Sgonzostatic __inline int 55144761Scognetatomic_load_32(volatile uint32_t *v) 56144761Scognet{ 57144761Scognet 58144761Scognet return (*v); 59144761Scognet} 60144761Scognet 61144761Scognetstatic __inline void 62144761Scognetatomic_store_32(volatile uint32_t *dst, uint32_t src) 63144761Scognet{ 64144761Scognet *dst = src; 65144761Scognet} 66144761Scognet 67239268Sgonzostatic __inline int 68239268Sgonzoatomic_load_long(volatile u_long *v) 69144761Scognet{ 70144761Scognet 71239268Sgonzo return (*v); 72144761Scognet} 73144761Scognet 74239268Sgonzostatic __inline void 75239268Sgonzoatomic_store_long(volatile u_long *dst, u_long src) 76239268Sgonzo{ 77239268Sgonzo *dst = src; 78239268Sgonzo} 79129198Scognet 80279543Sian#define atomic_clear_ptr atomic_clear_32 81321039Smarkj#define atomic_clear_acq_ptr atomic_clear_acq_32 82321039Smarkj#define atomic_clear_rel_ptr atomic_clear_rel_32 83279543Sian#define atomic_set_ptr atomic_set_32 84321039Smarkj#define atomic_set_acq_ptr atomic_set_acq_32 85321039Smarkj#define atomic_set_rel_ptr atomic_set_rel_32 86315371Smjg#define atomic_fcmpset_ptr atomic_fcmpset_32 87315371Smjg#define atomic_fcmpset_rel_ptr atomic_fcmpset_rel_32 88315371Smjg#define atomic_fcmpset_acq_ptr atomic_fcmpset_acq_32 89279543Sian#define atomic_cmpset_ptr atomic_cmpset_32 90321039Smarkj#define atomic_cmpset_acq_ptr atomic_cmpset_acq_32 91279543Sian#define atomic_cmpset_rel_ptr atomic_cmpset_rel_32 92321039Smarkj#define atomic_load_acq_ptr atomic_load_acq_32 93279543Sian#define atomic_store_ptr atomic_store_32 94279543Sian#define atomic_store_rel_ptr atomic_store_rel_32 95321039Smarkj#define atomic_swap_ptr atomic_swap_32 96321039Smarkj#define atomic_readandclear_ptr atomic_readandclear_32 97165786Sticso 98165786Sticso#define atomic_add_int atomic_add_32 99239268Sgonzo#define atomic_add_acq_int atomic_add_acq_32 100239268Sgonzo#define atomic_add_rel_int atomic_add_rel_32 101165786Sticso#define atomic_subtract_int atomic_subtract_32 102239268Sgonzo#define atomic_subtract_acq_int atomic_subtract_acq_32 103239268Sgonzo#define atomic_subtract_rel_int atomic_subtract_rel_32 104165786Sticso#define atomic_clear_int atomic_clear_32 105239268Sgonzo#define atomic_clear_acq_int atomic_clear_acq_32 106239268Sgonzo#define atomic_clear_rel_int atomic_clear_rel_32 107137222Scognet#define atomic_set_int atomic_set_32 108239268Sgonzo#define atomic_set_acq_int atomic_set_acq_32 109239268Sgonzo#define atomic_set_rel_int atomic_set_rel_32 110315371Smjg#define atomic_fcmpset_int atomic_fcmpset_32 111315371Smjg#define atomic_fcmpset_acq_int atomic_fcmpset_acq_32 112315371Smjg#define atomic_fcmpset_rel_int atomic_fcmpset_rel_32 113165786Sticso#define atomic_cmpset_int atomic_cmpset_32 114239268Sgonzo#define atomic_cmpset_acq_int atomic_cmpset_acq_32 115239268Sgonzo#define atomic_cmpset_rel_int atomic_cmpset_rel_32 116165786Sticso#define atomic_fetchadd_int atomic_fetchadd_32 117137222Scognet#define atomic_readandclear_int atomic_readandclear_32 118239268Sgonzo#define atomic_load_acq_int atomic_load_acq_32 119239268Sgonzo#define atomic_store_rel_int atomic_store_rel_32 120291426Smmel#define atomic_swap_int atomic_swap_32 121165786Sticso 122129198Scognet#endif /* _MACHINE_ATOMIC_H_ */ 123