/* * Copyright (c) 2006-2018, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2019-03-29 quanzhao the first version */ #include #include void __asm_invalidate_icache_all(void); void __asm_flush_dcache_all(void); void __asm_flush_dcache_range(rt_size_t start, rt_size_t end); void __asm_invalidate_dcache_range(rt_size_t start, rt_size_t end); void __asm_invalidate_icache_range(rt_size_t start, rt_size_t end); void __asm_invalidate_dcache_all(void); void __asm_invalidate_icache_all(void); rt_inline rt_uint32_t rt_cpu_icache_line_size(void) { return 0; } rt_inline rt_uint32_t rt_cpu_dcache_line_size(void) { return 0; } void rt_hw_cpu_icache_invalidate(void *addr, rt_size_t size) { __asm_invalidate_icache_range((rt_size_t)addr, (rt_size_t)addr + size); } void rt_hw_cpu_dcache_invalidate(void *addr, rt_size_t size) { __asm_invalidate_dcache_range((rt_size_t)addr, (rt_size_t)addr + size); } void rt_hw_cpu_dcache_clean(void *addr, rt_size_t size) { __asm_flush_dcache_range((rt_size_t)addr, (rt_size_t)addr + size); } void rt_hw_cpu_dcache_clean_and_invalidate(void *addr, rt_size_t size) { __asm_flush_dcache_range((rt_size_t)addr, (rt_size_t)addr + size); } 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 if (ops == RT_HW_CACHE_INVALIDATE) { rt_hw_cpu_dcache_invalidate(addr, size); } } rt_base_t rt_hw_cpu_icache_status(void) { return 0; } rt_base_t rt_hw_cpu_dcache_status(void) { return 0; }