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Author SHA1 Message Date
David Harris
e34b8139af Check for non-negative W in int sign handling 2022-12-27 06:35:17 -08:00
Cedar Turek
f48b7d7ef9 fpu idiv working on all configs with 1 copy of radix 2! 2022-12-26 23:18:28 -08:00
Cedar Turek
0b14aa852d fpu passing idiv tests on rv32gc 1 copy of radix 2! 2022-12-26 21:47:56 -08:00
Cedar Turek
bebaf08bed took out otfc swap. updated postprocessing quotient/remainder logic for int div. 2022-12-26 21:03:56 -08:00
David Harris
c326a274ac Fixed early termination for square root 2022-12-26 08:54:57 -08:00
David Harris
2de66e9eef Moved fdivsqrtexpcalc to its own file 2022-12-26 08:45:43 -08:00
David Harris
a7204c9012 Removed unused DivSE from FPU 2022-12-26 07:29:19 -08:00
David Harris
fb0b2d4227 Moved floating-point tests earlier in Wally config 2022-12-25 22:31:20 -08:00
David Harris
cd47a7d781 testcount.pl script to count number of tests in each instruction 2022-12-25 22:28:58 -08:00
David Harris
7e77a39d32 Restored missing floating point load/store tests 2022-12-25 22:28:14 -08:00
David Harris
d627512d2b Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-25 20:12:55 -08:00
Ross Thompson
4f436dc7f0 Added missing assignment for no branch predictor mode. 2022-12-24 17:08:29 -06:00
David Harris
0cc2b0fcd2 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2022-12-24 12:24:38 -08:00
Ross Thompson
ded8f05602 Merge branch 'main' of github.com:davidharrishmc/riscv-wally 2022-12-24 14:24:25 -06:00
Ross Thompson
0d6ce1d459 Fixed bug with the performance counters not updating. 2022-12-24 14:24:17 -06:00
Ross Thompson
967d892088 Updated fpga constraints. 2022-12-24 10:21:16 -06:00
David Harris
10af4e4353 ALU cleanup 2022-12-24 07:18:35 -08:00
Alessandro Maiuolo
6740624f2d added finish message to setup 2022-12-23 22:53:39 -08:00
cturek
cc6f219bdd Added A Sign register. Fixed postprocessing logic for postinc and rem calculation. 2022-12-24 06:46:52 +00:00
Ross Thompson
b0d6c9616e Minor optimizations. 2022-12-23 20:11:36 -06:00
Ross Thompson
6e9d1eb180 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-12-23 19:51:23 -06:00
Katherine Parry
4b50ffac91 reworked negitive sticky bit handeling in fma 2022-12-23 17:01:34 -06:00
Ross Thompson
6f9e21d61b Improved comment. 2022-12-23 15:13:15 -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
fe9361de34 Removed XEnE, YEnE, and ZEnE from forward logic. 
Cleanup comments.
 2022-12-23 14:27:03 -06:00
Ross Thompson
af9afafdae Cleanup floating point hazard logic. 2022-12-23 14:21:47 -06:00
Ross Thompson
b4c7998ded DON'T USE. First commit in attempt to move fpustall detection into the decode stage. 2022-12-23 12:47:18 -06:00
Ross Thompson
f6f66cb79e Removed ZForwardEnE and replaced with ZEnE. 
Similar for YForwardEnE.
 2022-12-23 12:27:51 -06:00
Ross Thompson
ca67e5588d Removed unnecessary stall when MatchDE was driven 1 by RdE == 0. 2022-12-23 11:45:42 -06:00
David Harris
f038494760 Commented out fdiv early termination - broke fsqrt test 2022-12-23 00:58:55 -08:00
David Harris
e061bacc9d Fixed early termination on fdivsqrt 2022-12-23 00:53:55 -08:00
David Harris
0505f1fd37 Moved InstrValidNotFLushed to csr including InstrValidM 2022-12-23 00:27:44 -08:00
David Harris
3b1fe78bdc Removed unused StallW from CSRs 2022-12-23 00:21:36 -08:00
David Harris
9e21358d75 Removed unused signals from FPU 2022-12-23 00:18:39 -08:00
David Harris
0a7ed944a5 Revert to 98b824 2022-12-22 23:58:14 -08:00
David Harris
56312cd0a6 Clean up unused FPU signals 2022-12-22 23:53:09 -08:00
David Harris
4d509f94ec FDIV merge 2022-12-22 23:03:03 -08:00
David Harris
2d72bed1f4 Removed unused signals in FPU and CSR 2022-12-22 22:59:05 -08:00
Ross Thompson
98b824c4c4 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2022-12-22 22:51:33 -06:00
Ross Thompson
2cc4d66ded Renamed IFU and LSU stalls. 2022-12-22 21:56:33 -06:00
Ross Thompson
03021765a6 The LSU is properly using FlushW rather than TrapM. 2022-12-22 21:47:34 -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
b1475df5e1 Wavefile updates. 2022-12-22 19:45:02 -06:00
Kip Macsai-Goren
ffae1c5ee6 added fs=00 to status fp enabled test 2022-12-22 15:15:53 -08:00
Kip Macsai-Goren
a768d70093 Added status.tvm bit test that passes make and regression 2022-12-22 14:43:22 -08:00
Kip Macsai-Goren
7aadf50f26 updated trap handler alignemnts to 64 bytes in priv tests 2022-12-22 14:23:04 -08:00
Ross Thompson
41fe876e7a First pass at resolving ifu flush on trap rather than FlushD. 2022-12-22 15:53:06 -06:00
David Harris
d4bedca1bf Code cleanup 2022-12-22 10:04:50 -08:00