草庐IT

ARMv8-缓存一致性(cache coherency)解决方案:MOESI protocol

目录一,MOESI状态释义二,MOESI状态转换  1,InvalidafterReset2,Invalid=>Exclusive3,Exclusive=>Modified 4.1,Modified=>Owned,Invalid=>Shared 4.2 Modified=>Invalid,Invalid=>Modified5,Owned=>Invalid,Shared=>Invalid,Shared=>Modified 6,Clean和Invalidate操作对MOESI状态的影响6.1对Owned状态进行clean&Invalidate6.1对Shared状态进行clean&Invalida