71 lines
1.2 KiB
C
71 lines
1.2 KiB
C
/*
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* Copyright (c) 2006-2018, 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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* 2018-05-17 ZYH first implementation
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*/
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#include <rthw.h>
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#include <stm32f7xx.h>
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void rt_hw_cpu_icache_enable(void)
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{
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SCB_EnableICache();
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}
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void rt_hw_cpu_icache_disable(void)
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{
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SCB_DisableICache();
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}
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rt_base_t rt_hw_cpu_icache_status(void)
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{
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return 0;
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}
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void rt_hw_cpu_icache_ops(int ops, void *addr, int size)
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{
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UNUSED(addr);
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UNUSED(size);
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if (ops & RT_HW_CACHE_INVALIDATE)
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{
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SCB_InvalidateICache();
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}
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}
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void rt_hw_cpu_dcache_enable(void)
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{
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SCB_EnableDCache();
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}
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void rt_hw_cpu_dcache_disable(void)
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{
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SCB_DisableDCache();
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}
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rt_base_t rt_hw_cpu_dcache_status(void)
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{
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return 0;
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}
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void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
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{
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if (ops & (RT_HW_CACHE_FLUSH | RT_HW_CACHE_INVALIDATE))
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{
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SCB_CleanInvalidateDCache_by_Addr(addr, size);
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}
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else if (ops & RT_HW_CACHE_FLUSH)
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{
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SCB_CleanDCache_by_Addr(addr, size);
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}
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else if (ops & RT_HW_CACHE_INVALIDATE)
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{
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SCB_InvalidateDCache_by_Addr(addr, size);
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}
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else
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{
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RT_ASSERT(0);
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}
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}
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