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https://e2e.ti.com/support/processors-group/processors/f/processors-forum/627331/dra7xx---question-on-cache_wb
cache_wb 是否仅写入指定的字节，或者此字节(如地址)是否根据高速缓存行大小进行量化？ 如果地址未对齐缓存行大小、写回从何处开始？
您好、John、
高速缓存回写与高速缓存行大小对齐。 如果地址未与缓存行大小对齐、则写回发生在地址所属缓存行的开头。
software-dl.ti.com/.../Cache.html
