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39 lines
1.5 KiB
C
39 lines
1.5 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <stddef.h>
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//! @file cpu_cache.h
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//! @addtogroup Foundation
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//! @{
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//! @addtogroup MemoryManagement Memory Management
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//! \brief Utility functions for managing an application's memory.
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//!
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//! @{
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//! Flushes the data cache and invalidates the instruction cache for the given region of memory,
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//! if necessary. This is only required when your app is loading or modifying code in memory and
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//! intends to execute it. On some platforms, code executed may be cached internally to improve
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//! performance. After writing to memory, but before executing, this function must be called in
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//! order to avoid undefined behavior. On platforms without caching, this performs no operation.
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//! @param start The beginning of the buffer to flush
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//! @param size How many bytes to flush
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void memory_cache_flush(void *start, size_t size);
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//! @} // end addtogroup MemoryManagement
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//! @} // end addtogroup Foundation
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