4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* $NetBSD: atomic.h,v 1.4 2005/12/28 19:09:29 perry Exp $ */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright 2002 (c) Wasabi Systems, Inc.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Written by Frank van der Linden for Wasabi Systems, Inc.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. All advertising materials mentioning features or use of this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * must display the following acknowledgement:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This product includes software developed for the NetBSD Project by
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Wasabi Systems, Inc.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 4. The name of Wasabi Systems, Inc. may not be used to endorse
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * or promote products derived from this software without specific prior
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * POSSIBILITY OF SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_testset_u64(volatile u_int64_t *ptr, u_int64_t val) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile ("xchgq %0,(%2)" :"=r" (val):"0" (val),"r" (ptr));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_testset_u32(volatile u_int32_t *ptr, u_int32_t val) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile ("xchgl %0,(%2)" :"=r" (val):"0" (val),"r" (ptr));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_testset_i32(volatile int32_t *ptr, int32_t val) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile ("xchgl %0,(%2)" :"=r" (val):"0" (val),"r" (ptr));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_setbits_u32(volatile u_int32_t *ptr, u_int32_t bits) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile("lock ; orl %1,%0" : "=m" (*ptr) : "ir" (bits));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_clearbits_u32(volatile u_int32_t *ptr, u_int32_t bits) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile("lock ; andl %1,%0" : "=m" (*ptr) : "ir" (~bits));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_setbits_u64(volatile u_int64_t *ptr, u_int64_t bits) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile("lock ; orq %1,%0" : "=m" (*ptr) : "ir" (~bits));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncx86_atomic_clearbits_u64(volatile u_int64_t *ptr, u_int64_t bits) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __asm volatile("lock ; andq %1,%0" : "=m" (*ptr) : "ir" (~bits));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define x86_atomic_testset_ul x86_atomic_testset_u32
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define x86_atomic_setbits_ul x86_atomic_setbits_u32
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define x86_atomic_clearbits_l x86_atomic_clearbits_u32