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/*
* Copyright (C) 2020 The Android Open Source Project
*
* 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
*
* http://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.
*/
#ifndef CHRE_PLATFORM_SHARED_CACHE_MANAGEMENT_H_
#define CHRE_PLATFORM_SHARED_CACHE_MANAGEMENT_H_
namespace chre {
/**
* Invalidates and/or cleans the system instruction and data caches.
*
* When nanoapps in CHRE are loaded dynamically, the data and
* executable segments are parsed and relocated into memory. This operation
* can cause cached instructions and data to be invalid when we start executing
* the newly loaded nanoapp's instructions, and could possibly lead to an
* exception. To support custom dynamic loading implementations (for example,
* when it's not part of the underlying OS/system), the platform needs to
* implement (or provide an empty stub for) the following method to invalidate
* and/or clean the system data and instruction caches.
*/
void wipeSystemCaches();
} // namespace chre
#endif // CHRE_PLATFORM_SHARED_CACHE_MANAGEMENT_H_
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