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Author SHA1 Message Date
David Harris
f31764c3e1 Renamed DAPageFault to HPTWDAPageFault in hptw to avoid name conflict with DAPageFault from tlbcontrol 2023-02-26 07:12:43 -08:00
David Harris
fe161f6bde Fixed missing assign when SSTC is not supported 2023-02-26 07:12:13 -08:00
David Harris
8895114152 Fixed SSTC being unusable in M-MODE without Status.TM. Disable STIMECMP registers when SSTC_SUPPORTED = 0 2023-02-26 06:30:43 -08:00
David Harris
be5bf22469 Merge pull request #114 from ross144/main 
Fix the branch predictor's gshare and btb critical path issue
 2023-02-24 16:55:34 -08:00
Ross Thompson
40a164a8da Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-24 18:50:35 -06:00
Ross Thompson
4031b89f18 Possible fix to btb performance issue. 2023-02-24 18:36:41 -06:00
Ross Thompson
ea8cb7dd78 Cleanup. 2023-02-24 18:20:42 -06:00
Ross Thompson
a14dcaa241 Completed critical path gshare fix. 2023-02-24 18:02:00 -06:00
Ross Thompson
31d6531af2 Prep to fix gshare critical path. 2023-02-24 17:54:48 -06:00
Ross Thompson
5db56460b9 Modified btb forwarding logic to reduce critical path. 2023-02-24 17:47:43 -06:00
Ross Thompson
6aeef0ce02 Merge pull request #113 from davidharrishmc/dev 
Change default tech to sky90 for synth
 2023-02-24 09:59:08 -06:00
David Harris
adfc01fc5a Fixed special cases of address decoder and documented better 2023-02-24 07:52:46 -08:00
Ross Thompson
cbc5de1ebd Improved branch predictor graph generation. 2023-02-23 20:44:47 -06:00
David Harris
7ba0e3b710 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-23 18:23:27 -08:00
David Harris
2d6fb006ba Switched to sky90 for default synthesis 2023-02-23 14:19:10 -08:00
Ross Thompson
2920179435 Major cleanup of bp. 2023-02-23 16:19:03 -06:00
Ross Thompson
fa49de8391 Partial replacement of InstrClassX with {JalX, RetX, JumpX, and BranchX}. 2023-02-23 15:55:34 -06:00
David Harris
26a3b3d2d3 Merge pull request #112 from ross144/main 
Branch predictor updates to reflect figures
 2023-02-23 13:29:53 -08:00
Ross Thompson
6eb27d2447 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-23 15:21:09 -06:00
Ross Thompson
5c826d0a58 Merge branch 'main' of github.com:ross144/cvw 2023-02-23 15:20:58 -06:00
Ross Thompson
8503982328 Branch predictor cleanup. 2023-02-23 15:15:14 -06:00
Ross Thompson
403b2b7be1 Moved more branch predictor logic into the performance counter block. 2023-02-23 15:14:56 -06:00
Ross Thompson
2ab6aa4327 Moved more branch predictor logic into the performance counter block. 2023-02-23 14:46:30 -06:00
Ross Thompson
526f046fb0 Added if generate around bp logic only used with performance counters. 2023-02-23 14:39:31 -06:00
Ross Thompson
2d919fa9e3 Renamed PCPredX to BTAX. 2023-02-23 14:33:32 -06:00
David Harris
0a4fd528fb Merge pull request #111 from stineje/main 
Slight tweak to .synopsys for OSU setup
 2023-02-23 06:23:06 -08:00
James Stine
6647cf6582 Slight tweak to .synopsys for OSU setup 2023-02-23 07:52:40 -06:00
Ross Thompson
c9609609aa updates to bp result parsing script. 2023-02-22 22:08:00 -06:00
Ross Thompson
ecbfd776d6 Updated branch predictor results processing script. 2023-02-22 16:11:52 -06:00
Ross Thompson
c736d7c1f3 Fixed bug in basic gshare. 2023-02-22 12:54:46 -06:00
David Harris
02b5991568 Merge pull request #109 from ross144/main 
Swapped string to integer parameter.
 2023-02-22 10:19:49 -08:00
Ross Thompson
ed8f7fc297 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-22 09:15:41 -06:00
Ross Thompson
d8c54ff565 Merge pull request #108 from eroom1966/main 
add support for idv package
 2023-02-22 09:13:36 -06:00
Ross Thompson
849856034b Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-22 09:11:57 -06:00
Ross Thompson
5dde3af22e Oups. Turns out dc_shell does not like string parameters. 
Switched gshare to use an integer parameter to select between gshare and global.
 2023-02-22 09:11:46 -06:00
eroom1966
dcfa153100 add support for idv package 2023-02-22 13:27:01 +00:00
Ross Thompson
e96c34c8d1 Merge pull request #107 from davidharrishmc/dev 
Bug fixes
 2023-02-21 13:55:55 -06:00
David Harris
f0566173e6 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-21 09:58:18 -08:00
David Harris
b59df0fca7 Fixed Issue #65 fmv sign selection. Sign needs to come from most significant bit of raw X source without doing NaN Box fixes first. 2023-02-21 09:57:57 -08:00
David Harris
99a1683f8e Debug test case updates 2023-02-21 09:33:36 -08:00
David Harris
a445e53e8d Fixed Issue #106: fld rasies load access fault instead of illegal instruction. The IEU controller had considered all fp loads and stores to be legal regardless of whether the FPU is enabled or the type is supported. Merged illegal instruction detection from both units into the Decode stage, saving two bits of pipeline register as well. 2023-02-21 09:32:17 -08:00
David Harris
c36653f1b7 Merge pull request #105 from ross144/main 
Fixes to branch target buffer
 2023-02-20 17:07:26 -08:00
Ross Thompson
7f0d64d0a6 Fixed typo in the global branch predictor. 2023-02-20 18:48:02 -06:00
Ross Thompson
2c2c1b5221 Cleanup branch predictor files. 2023-02-20 18:45:45 -06:00
Ross Thompson
7df3a84060 Renamed branch predictors and consolidated global and gshare predictors. 2023-02-20 18:42:37 -06:00
Ross Thompson
6eefa5b1e3 Fixed another bug in the btb. 2023-02-20 17:54:22 -06:00
Ross Thompson
73c6e7f9cd Merge pull request #104 from davidharrishmc/dev 
Yet another try
 2023-02-20 17:07:40 -06:00
Ross Thompson
d2b7047744 Fixed forwarding bug in the BTB. 2023-02-20 17:03:45 -06:00
Ross Thompson
fdd007a903 Found a bug where the d and i cache misses were not recorded in the performance counters. 2023-02-20 16:00:29 -06:00
Ross Thompson
545af7697f Simiplified BTB. 2023-02-20 15:39:42 -06:00