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3,272 Commits 14 Branches 1 Tag 31 MiB
3efbd2565a
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103 Commits

Author SHA1 Message Date
David Harris
3efbd2565a Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-05-03 08:53:35 -07:00
David Harris
20bbe43a23 clean up sram1p1rw; still doesn't work on Modelsim 2022.1 2022-05-03 08:31:54 -07:00
David Harris
057524b840 Formatting cache.sv 2022-05-03 10:53:20 +00:00
David Harris
9e50c3440d sram1p1rw extra bits are complaining on Tera and VLSI; roll back to two always blocks to fix on Tera 2022-05-03 03:50:41 -07:00
David Harris
0df73d203b Rewriting sram1p1rw to combine CacheData into a single always_ff. Extra bits are still giving warning on VLSI that don't make sense. 2022-05-03 03:45:41 -07:00
Ross Thompson
396f697d2f Hacky fix to prevent ITLBMissF and TrapM bug. 2022-04-12 17:56:23 -05:00
Ross Thompson
0a5b500aca Changed sram1p1rw to have the same type of bytewrite enables as bram. 2022-03-30 11:38:25 -05:00
Ross Thompson
9dce2a0679 Towards allowing dtim + bus. 2022-03-11 14:58:21 -06:00
Ross Thompson
6e24a807f6 mild cleanup. 2022-03-11 13:05:47 -06:00
Ross Thompson
b7a680ec2a Moved subcachelineread inside the cache. There is some ugliness to still resolve. 2022-03-11 12:44:04 -06:00
Ross Thompson
a18f06c20b Moved subcacheline read inside the cache. 2022-03-11 11:03:36 -06:00
Ross Thompson
52cc852600 removed unused parameter. 2022-03-11 10:43:54 -06:00
Ross Thompson
6d914def08 Name cleanup. 2022-03-10 18:44:50 -06:00
Ross Thompson
63b1ea88c9 Signal name cleanup. 2022-03-10 18:26:58 -06:00
Ross Thompson
67ef46ea92 Partially working byte write enables. Works for cache, but not dtim or bus only. 2022-03-10 16:11:39 -06:00
Ross Thompson
7a129c75cd Added byte write enables to cache SRAMs. 2022-03-10 15:48:31 -06:00
Ross Thompson
7b96b3f73c Moved cacheable signal into cache. 2022-03-08 16:34:02 -06:00
David Harris
2cea3349ad LSU/Cache code review notes 2022-03-04 00:07:31 +00:00
Ross Thompson
6076f90bbc Cache mods to be consistant with diagrams. 2022-02-14 12:40:51 -06:00
Ross Thompson
e852cb8a31 Eliminated more ports in cacheway. 2022-02-13 15:53:46 -06:00
Ross Thompson
1d7949513d More cache cleanup. 2022-02-13 15:47:27 -06:00
Ross Thompson
7ffbc6b2ab Changed names of signals in cache. 2022-02-13 15:06:18 -06:00
Ross Thompson
a5ad4331ec More cache cleanup. 2022-02-13 12:38:39 -06:00
Ross Thompson
dd944265aa Formating improvements to cache. 2022-02-11 23:10:58 -06:00
Ross Thompson
bf173b035c More cache simplifications. 2022-02-11 22:54:05 -06:00
Ross Thompson
16abe90a0d Reduced seladr to 1 bit as second bit is same as selflush. 2022-02-11 22:41:36 -06:00
Ross Thompson
b11e9eca7b Reduced complexity of the address selection during flush. 2022-02-11 22:27:27 -06:00
Ross Thompson
1255e82154 Removed redundant signals from cache. 2022-02-11 22:23:47 -06:00
Ross Thompson
52894a7a4f Cache fsm simplifications. 2022-02-11 15:16:45 -06:00
Ross Thompson
e2e0a4f595 Removed STATE_CPU_BUSY_FINISH_AMO from cache. This is redundant with STATE_CPU_BUSY. 2022-02-11 15:09:00 -06:00
Ross Thompson
0f2ac0cb24 Simplified cache fsm. 2022-02-11 14:54:57 -06:00
Ross Thompson
1c83914662 Fixed bug. 
It was possible for DTLBMissM to prevent a dcache flush.
 2022-02-11 14:00:01 -06:00
David Harris
de5e80696d Cleaned up synthesis warnings 2022-02-11 01:15:16 +00:00
Ross Thompson
5fd22caed4 Replacement policy cleanup. 2022-02-10 11:42:40 -06:00
Ross Thompson
f716cce832 Replacement policy cleanup. 2022-02-10 11:40:10 -06:00
Ross Thompson
fdb4f909fc Cleanup + critical path optimizations. 2022-02-10 11:11:16 -06:00
Ross Thompson
88c7a94aa9 Cache name clarifications. 2022-02-10 10:50:17 -06:00
Ross Thompson
32eee5a06a More cache cleanup. 2022-02-10 10:43:37 -06:00
Ross Thompson
91f2b5adf5 structural muxes. 2022-02-09 19:36:21 -06:00
Ross Thompson
7ff715f44f More cache cleanup. 2022-02-09 19:29:15 -06:00
Ross Thompson
754bd41fde Cleaned up comments. 2022-02-09 19:21:35 -06:00
Ross Thompson
36ab78ef3b Removed all possilbe paths to PreSelAdr from TrapM. 2022-02-09 19:20:10 -06:00
Ross Thompson
7810a09782 Annotated the final changes required to move sram address off the critial path. 2022-02-08 18:17:31 -06:00
Ross Thompson
4a7ebb3757 Cache cleanup write enables. 2022-02-08 17:52:09 -06:00
Ross Thompson
4273775a2b Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-08 14:22:19 -06:00
David Harris
1479762ae9 RAM simplification 2022-02-08 20:15:23 +00:00
Ross Thompson
e2191e3637 Preparing to make a major change to the cache's write enables. 2022-02-08 09:47:01 -06:00
Ross Thompson
5c9e23527d cachefsm cleanup. 2022-02-07 22:09:56 -06:00
Ross Thompson
da2dca9816 Removed VDWriteEnable. 2022-02-07 21:59:18 -06:00
Ross Thompson
161f907cae more partial cleanup of fsm and write enables. 2022-02-07 17:41:56 -06:00