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专家您好！
我现在在做6678 cache一致性的东西，想请问一下一致性的维护哪些是硬件实现的，哪些需要程序员实现？谢谢！
1、semaphore
2、128 bytes align
3、setting mars to noncacheable for shared region access
4。invalidate before shared read and writback before shared write
您好，
当多个master对使能cache去的SL2及DDR进行读写操作时，区域需要进行cache一致性维护。详请参考附件。
谢谢您的回答！
