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227 Commits

Author SHA1 Message Date
Ross Thompson
3dc441ff8c Intermediate commit. Passes regression tests, but RAS is not correct. 2023-01-25 19:39:18 -06:00
Ross Thompson
63617b56cf Fixed typos. 2023-01-25 18:51:09 -06:00
Ross Thompson
626bcd8608 Removed mark_debug from all source code. 2023-01-20 18:47:36 -06:00
Ross Thompson
74ab386735 More cleanup and formatting. 2023-01-20 12:34:40 -06:00
Ross Thompson
340e1797ea More cleanup and formatting. 2023-01-20 12:09:21 -06:00
Ross Thompson
c5169a3e39 Formatting. 2023-01-20 11:51:10 -06:00
Ross Thompson
e380fd71ff Formatting and name changes. 2023-01-19 14:16:29 -06:00
Ross Thompson
49daa736b1 Formatting spillsupport. 2023-01-18 19:25:54 -06:00
Ross Thompson
19e4d0f7cd Cleanup dtim and irom. 2023-01-18 18:44:30 -06:00
Ross Thompson
fc5424fa62 Formatting 2023-01-18 16:58:03 -06:00
Ross Thompson
f146a01344 Cleaned up ahbcacheinterface. 2023-01-17 22:13:56 -06:00
Ross Thompson
d6c80d937c Formatting progress. 2023-01-17 22:10:31 -06:00
Ross Thompson
0e215ac3c6 Removed 1 bit from instruction classification. 2023-01-13 15:19:53 -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
3ea4dd4898 Changed Wally to CORE-V Wally 2023-01-11 14:03:44 -08:00
David Harris
739c2c8322 Changed MIT license to Solderpad License 2023-01-10 11:35:20 -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
78e441fb38 More branch predictor cleanup. 2023-01-05 17:19:27 -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
0eceeeeeaa Simiplified global history branch predictor. 2023-01-04 23:41:55 -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
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
Ross Thompson
8029b12f2a Renumbered bits for PCPlusUpper. 2022-12-20 16:33:49 -06:00
Ross Thompson
684d260005 Reorganized IFU PCNextF logic. 2022-12-20 12:58:54 -06:00
Ross Thompson
2df18cc758 More bp/ifu pcmux cleanup. 2022-12-19 23:16:58 -06:00
Ross Thompson
565585b35a Moved more muxes inside bp. 2022-12-19 22:51:55 -06:00
Ross Thompson
d8ee0ea59d Begin cleanup of ifu. partial move of pc muxes inside bp. 2022-12-19 22:46:11 -06:00
David Harris
9fea16fd20 Simplified InstrRawD register 2022-12-19 15:18:42 -08:00
Ross Thompson
e774dd2db9 Reworked the hazards to eliminate StallFCause. Flush and CSRWrites now flush F,D,E stages and set the correct PCNextF in the M stage. 2022-12-15 09:53:35 -06:00
Ross Thompson
0716aedbd5 Removed unused flushf. 2022-12-11 16:28:11 -06:00
Ross Thompson
115e9e7bb3 Renamed CPUBusy to GatedStallF in IFU. 2022-12-11 15:54:19 -06:00
Ross Thompson
c50a2bd8bf Changed CPUBusy to Stall in ebu modules. 2022-12-11 15:51:35 -06:00