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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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