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- /*
- * File : drv_cache.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
- *
- * Change Logs:
- * Date Author Notes
- * 2018-04-02 tanek first implementation
- */
- #include <rtthread.h>
- #include <rthw.h>
- #include <fsl_cache.h>
- void rt_hw_cpu_icache_enable(void)
- {
- SCB_EnableICache();
- }
- void rt_hw_cpu_icache_disable(void)
- {
- SCB_DisableICache();
- }
- rt_base_t rt_hw_cpu_icache_status(void)
- {
- return 0;
- }
- void rt_hw_cpu_icache_ops(int ops, void* addr, int size)
- {
- if (ops & RT_HW_CACHE_INVALIDATE)
- {
- ICACHE_InvalidateByRange((uint32_t)addr, size);
- }
- }
- void rt_hw_cpu_dcache_enable(void)
- {
- SCB_EnableDCache();
- }
- void rt_hw_cpu_dcache_disable(void)
- {
- SCB_DisableDCache();
- }
- rt_base_t rt_hw_cpu_dcache_status(void)
- {
- return 0;
- }
- void rt_hw_cpu_dcache_ops(int ops, void* addr, int size)
- {
- if (ops & (RT_HW_CACHE_FLUSH | RT_HW_CACHE_INVALIDATE))
- {
- DCACHE_CleanInvalidateByRange((uint32_t)addr, size);
- }
- else if (ops & RT_HW_CACHE_FLUSH)
- {
- DCACHE_CleanByRange((uint32_t)addr, size);
- }
- else if (ops & RT_HW_CACHE_INVALIDATE)
- {
- DCACHE_InvalidateByRange((uint32_t)addr, size);
- }
- else
- {
- RT_ASSERT(0);
- }
- }
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