103 lines
2.3 KiB
C
103 lines
2.3 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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* 2019-03-29 quanzhao the first version
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*/
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#include <rthw.h>
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#include <rtdef.h>
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void __asm_invalidate_icache_all(void);
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void __asm_flush_dcache_all(void);
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void __asm_flush_dcache_range(unsigned long start, unsigned long end);
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void __asm_invalidate_dcache_range(unsigned long start, unsigned long end);
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void __asm_invalidate_icache_range(unsigned long start, unsigned long end);
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void __asm_invalidate_dcache_all(void);
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void __asm_invalidate_icache_all(void);
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rt_inline rt_uint32_t rt_cpu_icache_line_size(void)
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{
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return 0;
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}
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rt_inline rt_uint32_t rt_cpu_dcache_line_size(void)
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{
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return 0;
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}
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void rt_hw_cpu_icache_invalidate(void *addr, int size)
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{
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__asm_invalidate_icache_range((unsigned long)addr, (unsigned long)addr + size);
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}
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void rt_hw_cpu_dcache_invalidate(void *addr, int size)
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{
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__asm_invalidate_dcache_range((unsigned long)addr, (unsigned long)addr + size);
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}
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void rt_hw_cpu_dcache_clean(void *addr, int size)
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{
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__asm_flush_dcache_range((unsigned long)addr, (unsigned long)addr + size);
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}
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void rt_hw_cpu_dcache_clean_and_invalidate(void *addr, int size)
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{
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__asm_flush_dcache_range((unsigned long)addr, (unsigned long)addr + size);
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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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if (ops == RT_HW_CACHE_INVALIDATE)
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{
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rt_hw_cpu_icache_invalidate(addr, size);
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}
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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)
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{
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rt_hw_cpu_dcache_clean(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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rt_hw_cpu_dcache_invalidate(addr, size);
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}
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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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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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#ifdef RT_USING_LWP
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#define ICACHE (1<<0)
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#define DCACHE (1<<1)
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#define BCACHE (ICACHE|DCACHE)
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int sys_cacheflush(void *addr, int size, int cache)
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{
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if ((size_t)addr < KERNEL_VADDR_START && (size_t)addr + size <= KERNEL_VADDR_START)
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{
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if ((cache & DCACHE) != 0)
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{
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rt_hw_cpu_dcache_clean_and_invalidate(addr, size);
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}
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if ((cache & ICACHE) != 0)
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{
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rt_hw_cpu_icache_invalidate(addr, size);
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}
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return 0;
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}
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return -1;
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}
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#endif
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