/* $NetBSD: atomic_store.c,v 1.2 2014/07/06 01:19:45 joerg Exp $ */ /*- * Copyright (c) 2014 The NetBSD Foundation, Inc. * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 THE FOUNDATION OR CONTRIBUTORS * 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. */ #include __RCSID("$NetBSD: atomic_store.c,v 1.2 2014/07/06 01:19:45 joerg Exp $"); #include "atomic_op_namespace.h" #include #include #define atomic_store_n(n,b) \ void __atomic_store_ ## n(volatile uint ## b ## _t *, uint ## b ## _t, int); \ void \ __atomic_store_ ## n(volatile uint ## b ## _t *ptr, uint ## b ## _t val, \ int memmodel) \ { \ membar_enter(); \ *ptr = val; \ membar_exit(); \ } atomic_store_n(1, 8) atomic_store_n(2, 16) atomic_store_n(4, 32) #ifdef __HAVE_ATOMIC_CAS_64_UP atomic_store_n(8, 64) #endif