Coherence

L1 cache

The l1 cache bla bla bla

L1 cache controller

This unit is described in the dedicated L1 cache controller page.

Load/Store unit

The \texttt{Load Store Unit} does not store specific coherence protocol information (as stable states) but it stores \textit{privileges} for all cached addresses. Each cache line has two privileges: \textit{can read} and \textit{can write}. Those privileges determine cache misses/hits and are updated only by the \texttt{Cache Controller}. This unit is described in the dedicated load/store unit page.

L2 and directory cache

The l2 cache bla bla bla

L2 and directory controller

This unit is described in the dedicated L2 and Directory cache controller page.