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4 Commits

Author SHA1 Message Date
Ross Thompson
4b0344898b Fixed bugs I introduced to the icache. 2021-08-27 15:00:40 -05:00
Ross Thompson
2dff72d9e9 Renamed PCMux (icache) to SelAdr to match dcache. 
Removed unused cache files.
 2021-08-27 11:14:10 -05:00
Ross Thompson
de9e234ffa Modified icache to no longer need StallF in the PCMux logic. Instead this is handled in the icachefsm. 
One downside is it increases the icache complexity.  However it also fixes an untested bug.  If a region
was uncacheable it would have been possible for the request to be made multiple times.  Now that is
not possible.  Additionally spills were oscillating between the spill hit states without this change.
The impact was 'benign' as the final spilled instruction always had the correct upper 16 bits.
 2021-08-27 11:03:36 -05:00
Ross Thompson
62d91e9ea1 Renamed ICacheCntrl to icachefsm. 2021-08-26 15:57:17 -05:00