1060ff233Sopenharmony_ci/* 2060ff233Sopenharmony_ci * Copyright (c) 2020-2021 Huawei Device Co., Ltd. 3060ff233Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 4060ff233Sopenharmony_ci * you may not use this file except in compliance with the License. 5060ff233Sopenharmony_ci * You may obtain a copy of the License at 6060ff233Sopenharmony_ci * 7060ff233Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 8060ff233Sopenharmony_ci * 9060ff233Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 10060ff233Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 11060ff233Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12060ff233Sopenharmony_ci * See the License for the specific language governing permissions and 13060ff233Sopenharmony_ci * limitations under the License. 14060ff233Sopenharmony_ci */ 15060ff233Sopenharmony_ci 16060ff233Sopenharmony_ci#ifndef SOFTBUS_ADAPTER_CPU_H 17060ff233Sopenharmony_ci#define SOFTBUS_ADAPTER_CPU_H 18060ff233Sopenharmony_ci 19060ff233Sopenharmony_ci#ifndef _WIN32 20060ff233Sopenharmony_ci#include <sched.h> 21060ff233Sopenharmony_ci#endif 22060ff233Sopenharmony_ci 23060ff233Sopenharmony_ci#ifdef __cplusplus 24060ff233Sopenharmony_ci#if __cplusplus 25060ff233Sopenharmony_ciextern "C" { 26060ff233Sopenharmony_ci#endif 27060ff233Sopenharmony_ci#endif 28060ff233Sopenharmony_ci 29060ff233Sopenharmony_ci#ifdef _WIN32 30060ff233Sopenharmony_ci#define BARRIER() 31060ff233Sopenharmony_ci#define MB() BARRIER() 32060ff233Sopenharmony_ci#define WMB() BARRIER() 33060ff233Sopenharmony_ci#define RMB() BARRIER() 34060ff233Sopenharmony_ci#elif defined(__ICCARM__) || defined(__x86_64__) 35060ff233Sopenharmony_ci#define MB() 36060ff233Sopenharmony_ci#define WMB() 37060ff233Sopenharmony_ci#define RMB() 38060ff233Sopenharmony_ci#elif defined __linux__ || defined __LITEOS__ || defined __APPLE__ 39060ff233Sopenharmony_ci#define DSB() __asm__ volatile("dsb" ::: "memory") 40060ff233Sopenharmony_ci#ifdef __riscv 41060ff233Sopenharmony_ci#define DMB() __asm__ __volatile__ ("fence iorw,iorw" ::: "memory") 42060ff233Sopenharmony_ci#elif __aarch64__ 43060ff233Sopenharmony_ci#define DMB() __asm__ volatile("DMB ISHLD" : : : "memory") 44060ff233Sopenharmony_ci#else 45060ff233Sopenharmony_ci#define DMB() __asm__ volatile("dmb" ::: "memory") 46060ff233Sopenharmony_ci#endif 47060ff233Sopenharmony_ci#define ISB() __asm__ volatile("isb" ::: "memory") 48060ff233Sopenharmony_ci#define BARRIER() __asm__ volatile("" ::: "memory") 49060ff233Sopenharmony_ci 50060ff233Sopenharmony_ci#define MB() DMB() 51060ff233Sopenharmony_ci#define WMB() DMB() 52060ff233Sopenharmony_ci#define RMB() DMB() 53060ff233Sopenharmony_ci#else 54060ff233Sopenharmony_ci#define MB() 55060ff233Sopenharmony_ci#define WMB() 56060ff233Sopenharmony_ci#define RMB() 57060ff233Sopenharmony_ci#endif 58060ff233Sopenharmony_ci 59060ff233Sopenharmony_ci#ifdef _WIN32 60060ff233Sopenharmony_ci#define SoftBusYieldCpu() 61060ff233Sopenharmony_ci#else 62060ff233Sopenharmony_ci#define SoftBusYieldCpu() sched_yield() 63060ff233Sopenharmony_ci#endif 64060ff233Sopenharmony_ci 65060ff233Sopenharmony_ci#ifdef __cplusplus 66060ff233Sopenharmony_ci#if __cplusplus 67060ff233Sopenharmony_ci} 68060ff233Sopenharmony_ci#endif /* __cplusplus */ 69060ff233Sopenharmony_ci#endif /* __cplusplus */ 70060ff233Sopenharmony_ci#endif // SOFTBUS_ADAPTER_CPU_H