/* $NetBSD: atomic_op_asm.h,v 1.7.18.1 2021/08/11 17:05:42 martin Exp $ */ /*- * Copyright (c) 2007 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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. */ #ifndef _ATOMIC_OP_ASM_H_ #define _ATOMIC_OP_ASM_H_ #include #if defined(_KERNEL) || defined(_STANDALONE) #define ATOMIC_OP_ALIAS(a,s) STRONG_ALIAS(a,s) #else /* _KERNEL */ #define ATOMIC_OP_ALIAS(a,s) WEAK_ALIAS(a,s) #ifdef _LIBC #define CRT_ALIAS(a,s) STRONG_ALIAS(a,s) #endif #endif /* _KERNEL */ #ifdef __ARMEB__ #define HI r0 #define LO r1 #define NHI r2 #define NLO r3 #define THI r4 #define TLO r5 #else #define LO r0 #define HI r1 #define NLO r2 #define NHI r3 #define TLO r4 #define THI r5 #endif #ifndef CRT_ALIAS #define CRT_ALIAS(a,s) #endif #ifdef _ARM_ARCH_7 #define DMB dmb ish #define DMBST dmb ishst #else #define DMB mcr p15, 0, r0, c7, c10, 5 /* Data Memory Barrier */ #define DMBST DMB #endif #endif /* _ATOMIC_OP_ASM_H_ */