ecf2d82159
* Synchronize the code of the rt mart branch to the master branch.
* TTY device
* Add lwP code from rt-smart
* Add vnode in DFS, but DFS will be re-write for rt-smart
* There are three libcpu for rt-smart:
* arm/cortex-a, arm/aarch64
* riscv64
Co-authored-by: Rbb666 <zhangbingru@rt-thread.com>
Co-authored-by: zhkag <zhkag@foxmail.com>
60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2022-11-09 RT-Thread The first version
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*/
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#ifndef __CACHE_H__
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#define __CACHE_H__
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#ifndef ALWAYS_INLINE
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#define ALWAYS_INLINE inline __attribute__((always_inline))
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#endif
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/**
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* @brief These APIs may not be supported by a specified architecture
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* But we have to include to all the cases to be 'general purpose'
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*/
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ALWAYS_INLINE void rt_hw_cpu_dcache_clean_local(void *addr, int size) {}
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ALWAYS_INLINE void rt_hw_cpu_dcache_invalidate_local(void *addr, int size) {}
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ALWAYS_INLINE void rt_hw_cpu_dcache_clean_invalidate_local(void *addr, int size) {}
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ALWAYS_INLINE void rt_hw_cpu_dcache_clean_all_local() {}
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ALWAYS_INLINE void rt_hw_cpu_dcache_invalidate_all_local(void) {}
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ALWAYS_INLINE void rt_hw_cpu_dcache_clean_invalidate_all_local(void) {}
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ALWAYS_INLINE void rt_hw_cpu_icache_invalidate_local(void *addr, int size) {}
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ALWAYS_INLINE void rt_hw_cpu_icache_invalidate_all_local() {}
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/**
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* @brief Multi-core
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*/
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#define rt_hw_cpu_dcache_clean rt_hw_cpu_dcache_clean_local
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#define rt_hw_cpu_dcache_invalidate rt_hw_cpu_dcache_invalidate_local
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#define rt_hw_cpu_dcache_clean_invalidate rt_hw_cpu_dcache_clean_invalidate_local
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#define rt_hw_cpu_dcache_clean_all rt_hw_cpu_dcache_clean_all_local
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#define rt_hw_cpu_dcache_invalidate_all rt_hw_cpu_dcache_invalidate_all_local
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#define rt_hw_cpu_dcache_clean_invalidate_all rt_hw_cpu_dcache_clean_invalidate_all_local
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#define rt_hw_cpu_icache_invalidate rt_hw_cpu_icache_invalidate_local
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#define rt_hw_cpu_icache_invalidate_all rt_hw_cpu_icache_invalidate_all_local
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/** instruction barrier */
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void rt_hw_cpu_sync(void);
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/**
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* @brief local cpu icahce & dcache synchronization
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*
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* @param addr
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* @param size
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*/
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void rt_hw_sync_cache_local(void *addr, int size);
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#endif /* __CACHE_H__ */
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