Commit Graph

269 Commits

Author SHA1 Message Date
Ross Thompson
83adacbee3 Simplified cache fsm. 2022-02-11 14:54:57 -06:00
Ross Thompson
c8e6884926 Fixed bug.
It was possible for DTLBMissM to prevent a dcache flush.
2022-02-11 14:00:01 -06:00
Ross Thompson
b1cba4be2b Updates to linux wave. 2022-02-11 13:28:18 -06:00
Ross Thompson
9145a96b53 Updated linux wave. 2022-02-11 13:15:42 -06:00
Ross Thompson
3f4ae91468 linux wave cleanup. 2022-02-11 10:48:45 -06:00
Ross Thompson
20456097cd Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-11 10:47:21 -06:00
Ross Thompson
2f2a4f4500 Fixed subtle and infrequenct bug.
Loading buildroot at 483M instructions started with a spill + ITLBMiss.  The spillsupport logic allowed transition to the second access only after the bus/cache completed the first operation.  However the BusStall was suppressed if ITLBMissF occurs resulting in the spillfsm advancing to the second operation.  Now the spill logic also takes in ITLBMissF and prevents the early transition to the second access.
2022-02-11 10:46:06 -06:00
David Harris
15fb7fee60 Cleaned up synthesis warnings 2022-02-11 01:15:16 +00:00
Ross Thompson
fc6dc52618 Fixed bugs in ifu spills and missing reset on bus data register. 2022-02-10 18:11:57 -06:00
Ross Thompson
9ad4523b9d Updated wave files to reflect recent changes. 2022-02-10 17:52:19 -06:00
Ross Thompson
f23817bf69 Replacement policy cleanup. 2022-02-10 11:42:40 -06:00
Ross Thompson
411997010b Replacement policy cleanup. 2022-02-10 11:40:10 -06:00
Ross Thompson
382d5fab0f Cleanup. 2022-02-10 11:27:15 -06:00
Ross Thompson
3a0af5d9e9 Cleanup + critical path optimizations. 2022-02-10 11:11:16 -06:00
Ross Thompson
fc68c2f09a Cache name clarifications. 2022-02-10 10:50:17 -06:00
Ross Thompson
e00d404154 More cache cleanup. 2022-02-10 10:43:37 -06:00
Ross Thompson
65803ebe98 structural muxes. 2022-02-09 19:36:21 -06:00
Ross Thompson
2a989e6d05 More cache cleanup. 2022-02-09 19:29:15 -06:00
Ross Thompson
3b8ad3f7c7 Cleaned up comments. 2022-02-09 19:21:35 -06:00
Ross Thompson
911ee36b22 Removed all possilbe paths to PreSelAdr from TrapM. 2022-02-09 19:20:10 -06:00
Ross Thompson
327a05c9d8 Added commented out commands to generate saif file from vsim. 2022-02-09 18:40:45 -06:00
Ross Thompson
01126535db Annotated the final changes required to move sram address off the critial path. 2022-02-08 18:17:31 -06:00
Ross Thompson
7133e790ea Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-08 17:52:15 -06:00
Ross Thompson
498388c636 Cache cleanup write enables. 2022-02-08 17:52:09 -06:00
Ross Thompson
8a49ec90d0 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-08 15:43:18 -06:00
Ross Thompson
e0a605e95d Cleanup IFU. 2022-02-08 14:54:53 -06:00
Ross Thompson
d1d014bf1d Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-08 14:47:15 -06:00
Ross Thompson
13561c67bd Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-08 14:22:19 -06:00
Ross Thompson
cecbb3362d rv32e works for now. Still need to optimize. 2022-02-08 14:21:55 -06:00
Ross Thompson
39149c618f Moved some muxes back into the bp. 2022-02-08 14:17:44 -06:00
David Harris
3e16730226 RAM simplification 2022-02-08 20:15:23 +00:00
Ross Thompson
d5d9bb9d4d Temporary commit which gets the no branch predictor implementation working. 2022-02-08 14:13:55 -06:00
David Harris
c07584bb70 rv32e config update 2022-02-08 17:59:50 +00:00
Ross Thompson
c2377eaaf4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-02-08 11:36:30 -06:00
Ross Thompson
3cd067ac6a Finished merge. 2022-02-08 11:36:24 -06:00
David Harris
9ad3f26365 Restored E tests to makefrag 2022-02-08 16:41:11 +00:00
Ross Thompson
492c1473f3 Preparing to make a major change to the cache's write enables. 2022-02-08 09:47:01 -06:00
David Harris
e5097e67d4 Fixed TIM tests; rv32e test still failing 2022-02-08 15:24:37 +00:00
David Harris
e9a519a228 Patching up testbench; fixed false passing, but rv32ic and rv32e tests now fail 2022-02-08 12:40:02 +00:00
David Harris
096242a6d8 Merged TIM and regular testbenches. RV32e now working and back in regression. 2022-02-08 12:18:13 +00:00
David Harris
72c2166223 Lab 3 file cleanup 2022-02-08 10:26:37 +00:00
Ross Thompson
190d619940 cachefsm cleanup. 2022-02-07 22:09:56 -06:00
Ross Thompson
ca459a5915 Removed VDWriteEnable. 2022-02-07 21:59:18 -06:00
Ross Thompson
494802b2e1 more partial cleanup of fsm and write enables. 2022-02-07 17:41:56 -06:00
Ross Thompson
23a60d9875 Progress towards simplifying the cache's write enables. 2022-02-07 17:23:09 -06:00
Ross Thompson
fcd43ea004 more cleanup. 2022-02-07 13:29:19 -06:00
Ross Thompson
e72d54ea98 More cachefsm cleanup. 2022-02-07 13:19:37 -06:00
Ross Thompson
a6a7779ec0 More cachefsm cleanup. 2022-02-07 12:30:27 -06:00
Ross Thompson
7f732eb571 More cachefsm cleanup. 2022-02-07 11:16:20 -06:00
Ross Thompson
be67c4d559 More cachefsm cleanup. 2022-02-07 11:12:28 -06:00