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[libcpu][arm] fix rt_hw_cpu_dcache_ops clean invalid bug 

clean_invalid must be set at the same time, and call
clean_invalid, or call clean/invalid
This commit is contained in:
Martin 2022-08-12 08:31:16 +08:00 committed by Man, Jianting (Meco)
parent 5c7655663c
commit e4d6dd88c9
1 changed files with 2 additions and 1 deletions
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3
libcpu/arm/cortex-m7/cpu_cache.c
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@ -69,8 +69,9 @@ void rt_hw_cpu_dcache_ops(int ops, void* addr, int size)
{ {
rt_uint32_t startAddr = (rt_uint32_t)addr & (rt_uint32_t)~(L1CACHE_LINESIZE_BYTE - 1); rt_uint32_t startAddr = (rt_uint32_t)addr & (rt_uint32_t)~(L1CACHE_LINESIZE_BYTE - 1);
rt_uint32_t size_byte = size + (rt_uint32_t)addr - startAddr; rt_uint32_t size_byte = size + (rt_uint32_t)addr - startAddr;
rt_uint32_t clean_invalid = RT_HW_CACHE_FLUSH | RT_HW_CACHE_INVALIDATE;
if (ops & (RT_HW_CACHE_FLUSH | RT_HW_CACHE_INVALIDATE)) if ((ops & clean_invalid) == clean_invalid)
{ {
SCB_CleanInvalidateDCache_by_Addr((uint32_t *)startAddr, size_byte); SCB_CleanInvalidateDCache_by_Addr((uint32_t *)startAddr, size_byte);
} }