rt-thread-official/libcpu/risc-v/virt64/cache.c

60 lines
989 B
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-01-29 lizhirui first version
*/
#include <rthw.h>
#include <rtdef.h>
#include <board.h>
#include <riscv.h>
#include <cache.h>
rt_inline rt_uint32_t rt_cpu_icache_line_size()
{
return 0;
}
rt_inline rt_uint32_t rt_cpu_dcache_line_size()
{
return 0;
}
void rt_hw_cpu_icache_ops(int ops, void *addr, int size)
{
if (ops == RT_HW_CACHE_INVALIDATE)
{
rt_hw_cpu_icache_invalidate(addr, size);
}
}
void rt_hw_cpu_dcache_ops(int ops, void *addr, int size)
{
if (ops == RT_HW_CACHE_FLUSH)
{
rt_hw_cpu_dcache_clean(addr, size);
}
else
{
rt_hw_cpu_dcache_invalidate(addr, size);
}
}
rt_base_t rt_hw_cpu_icache_status_local()
{
return 0;
}
rt_base_t rt_hw_cpu_dcache_status()
{
return 0;
}
void rt_hw_sync_cache_local(void *addr, int size)
{
}