inc/hf/arch/barriers.h

/*
 * Copyright 2018 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

/**
 * Ensures all explicit memory accesses before this point are completed before
 * any later memory accesses are performed.
 */
void dmb(void);

/**
 * Ensures all explicit memory access and management instructions have completed
 * before continuing.
 */
void dsb(void);

/**
 * Flushes the instruction pipeline so that instructions are fetched from
 * memory.
 */
void isb(void);