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CCR0 (cont.)
Core Configuration Register 0
Register Summary 10-7
21 PFNC ICU Prefetching for Non-Cachable Regions
0 Disables prefetching for non-cachable
regions
1 Enables prefetching for non-cachable
regions
22 NCRS Non-cachable ICU request size
0 Requests are for four-word lines
1 Requests are for eight-word lines
23 FWOA Fetch Without Allocate
0 An ICU miss results in a line fill.
1 An ICU miss does not cause a line fill,
but results in a non-cachable fetch.
24:26
Reserved
27 CIS Cache Information Select
0 Information is cache data.
1 Information is cache tag.
28:30
Reserved
31 CWS Cache Way Select
0 Cache way is A.
1 Cache way is B.