| 摘要 |
A multi-way set associative cache memory 6 is provided with lockdown control circuitry 26, 48 for controlling portions of that cache memory to store data which is locked within the cache memory 6 (i.e. not subject to eviction). Programmable lockdown data 38, 40, 42, 44, 46 specifies which ways contain any locked portions and also the size within each way of locked portion. Thus, individual cache ways can be partially locked.
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