Xavi/cvw
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b96a53df0a
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258 Commits

Author SHA1 Message Date
Ross Thompson
b96a53df0a Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2023-01-11 23:02:14 -06:00
sarah-harris
796a189451 privilege unit -> privileged unit in ifu.sv 
privilege unit -> privileged unit in ifu.sv
 2023-01-11 16:33:08 -08:00
David Harris
8c6ddcc15b changed name to CORE-V-WALLY 2023-01-11 15:15:08 -08:00
David Harris
9a057ef5cd Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2023-01-11 15:13:58 -08:00
Ross Thompson
6999b4562e Updated branch predictor. 2023-01-11 17:00:45 -06:00
David Harris
3ea4dd4898 Changed Wally to CORE-V Wally 2023-01-11 14:03:44 -08:00
Ross Thompson
1df9c5f13e Optimized gshare. 2023-01-10 18:12:48 -06:00
David Harris
739c2c8322 Changed MIT license to Solderpad License 2023-01-10 11:35:20 -08:00
Ross Thompson
f330d877ac Added folded gshare predictor with k=16 and depth=10. 2023-01-09 14:41:03 -06:00
Ross Thompson
6326e6984c Might have actually solved the gshare bug. 2023-01-09 00:11:25 -06:00
Ross Thompson
6cbce9672d Possibly working speculative global history. 2023-01-08 23:46:53 -06:00
Ross Thompson
0eda4b1ab3 core part of global history works now. forwarding is still broken. 2023-01-08 23:35:02 -06:00
David Harris
dc526c92bd Removed unused signals 2023-01-07 06:06:54 -08:00
David Harris
01525399cc Removed unused signals; added check for atomic in pmachecker 2023-01-07 05:59:56 -08:00
David Harris
21b9f50851 Remove conditional from inside decompress module 2023-01-07 05:51:47 -08:00
David Harris
8506f120e1 Remove unused signals 2023-01-07 05:46:22 -08:00
Ross Thompson
01d4e942d0 Added more missing files. 2023-01-06 00:12:08 -06:00
Ross Thompson
8a5916ce66 Addd missing file. 2023-01-06 00:09:18 -06:00
Ross Thompson
78e441fb38 More branch predictor cleanup. 2023-01-05 17:19:27 -06:00
Ross Thompson
65dd86b726 Keep around the old gshare. 2023-01-05 15:55:46 -06:00
Ross Thompson
2224679694 Added speculative gshare. 2023-01-05 14:18:00 -06:00
Ross Thompson
9d03109f34 Officially added global history with speculation to types of branch predictors. 2023-01-05 14:04:09 -06:00
Ross Thompson
0737efc86c More branch predictor cleanup. 2023-01-05 13:36:51 -06:00
Ross Thompson
808c106504 Two bit predictor cleanup. 2023-01-05 13:27:22 -06:00
Ross Thompson
14ebf2360d Simplified gshare. 2023-01-04 23:51:09 -06:00
Ross Thompson
0eceeeeeaa Simiplified global history branch predictor. 2023-01-04 23:41:55 -06:00
davidharrishmc
4a2ed0142f
Update decompress.sv 
typo
 2023-01-04 17:01:26 -08:00
Ross Thompson
872ff619e3 Fixed problems with changes to ram2p. 2022-12-29 17:13:48 -06:00
Ross Thompson
3f4b3a4159 Added about moving decompressed config generate. 2022-12-27 15:04:55 -06:00
Ross Thompson
4f436dc7f0 Added missing assignment for no branch predictor mode. 2022-12-24 17:08:29 -06:00
Ross Thompson
a2de53aeeb Reverted to naming IFUStallD to IFUStallF and LSUStallW to LSUStallM. These are generated in the F and M stage. 
Generate WFIStallM in the privileged unit rather than generate in hazard.
Cleaned up the hazard cause logic to be consistent across all causes.
 2022-12-23 15:10:37 -06:00
Ross Thompson
2cc4d66ded Renamed IFU and LSU stalls. 2022-12-22 21:56:33 -06:00
Ross Thompson
3b791b768a Success we've replaced TrapM with FlushD in the IFU. 2022-12-22 21:36:49 -06:00
Ross Thompson
e0e92952c3 Partial cleanup for BP. 2022-12-22 20:33:38 -06:00
Ross Thompson
206bc7daa6 Closing in on icache flushed by FlushD rather than TrapM. 2022-12-22 20:19:09 -06:00
Ross Thompson
41fe876e7a First pass at resolving ifu flush on trap rather than FlushD. 2022-12-22 15:53:06 -06:00
Ross Thompson
e7a44d8975 Changed GatedStallF to GatedStallD. 2022-12-21 16:12:55 -06:00
Ross Thompson
91f948a91c The optimzied PC+2/4 logic still hanges on wally32priv. 2022-12-21 09:19:34 -06:00
Ross Thompson
6858b7568c Renamed PCPlusUpperF to PCPlus4F. 2022-12-21 09:18:30 -06:00
Ross Thompson
ac94b55e74 Fixed minor bug in PLIC. reading interrupt source 0 should not return x. it should provide produce 0. 
Switched to even simplier PC+2/4 logic.
 2022-12-21 09:00:09 -06:00
Ross Thompson
fe723af1af Comments about PC+2/4. 2022-12-21 08:35:43 -06:00
Ross Thompson
f860440361 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 18:09:37 -06:00
Ross Thompson
97593e8a6f Moved privileged pc logic into privileged unit. 2022-12-20 17:55:45 -06:00
David Harris
8f640f050f IFU mux for CSRWriteFenceM conditional on ZICSR/ZIFENCEI 2022-12-20 15:38:30 -08:00
Ross Thompson
35ad49502f Implement FENCE.I as NOP when ZIFENCEI is not supported. 2022-12-20 17:34:11 -06:00
David Harris
f3e9950317 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-20 14:43:33 -08:00
David Harris
e7702e48b7 FPU remove unused signals 2022-12-20 14:43:30 -08:00
Ross Thompson
8029b12f2a Renumbered bits for PCPlusUpper. 2022-12-20 16:33:49 -06:00
Ross Thompson
c4901450c4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-20 12:58:59 -06:00
Ross Thompson
684d260005 Reorganized IFU PCNextF logic. 2022-12-20 12:58:54 -06:00