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Author SHA1 Message Date
Ross Thompson
f62fbedbe8 Fixed another bug with the branch logger. 2023-01-29 00:59:59 -06:00
Ross Thompson
8e73f6b467 Fixed bug in the branch logger. 2023-01-29 00:58:50 -06:00
Ross Thompson
65a31381da Updated testbench for branch logger. 2023-01-29 00:56:11 -06:00
Ross Thompson
1044c290c2 Fixed bug with the btb's valid bit not beind held on a stall. 2023-01-29 00:49:23 -06:00
Ross Thompson
f93eaeef8e Fixed another bug with the speculative gshare with instruction class prediction. 2023-01-29 00:33:40 -06:00
Ross Thompson
f6aafd6bad Fixed bug with the new csr. 2023-01-28 17:56:56 -06:00
Ross Thompson
6371d91b37 Added another performance counter to track overall branch miss-predictions. 2023-01-28 17:50:46 -06:00
Ross Thompson
57deb68fb3 Found an issue where the btb was not forwarding the valid bit! 2023-01-28 17:00:50 -06:00
Ross Thompson
6d9c463893 Possible workign instruction class prediction repair. 2023-01-28 16:42:19 -06:00
Ross Thompson
8a277f6b75 Possible fix for speculative gshare. 2023-01-28 16:14:19 -06:00
Ross Thompson
6d75e3c22b Clarified gshare bp. 2023-01-27 16:40:20 -06:00
Ross Thompson
857004c3a3 Removed pessimistic x propagation issue for wally32priv test in the branch predictor. 2023-01-27 15:28:31 -06:00
Ross Thompson
c1ae7c068e Found issue with branch predictor. 2023-01-27 13:13:55 -06:00
Ross Thompson
a212960352 Very hacky. But I think gshare is now correct with respect to repair on instruction class miss prediction. 2023-01-27 11:34:45 -06:00
Ross Thompson
4fa2dcc2a5 Changed the performance counters to track different data. 
Now rather than tracking jump(r) we track jump(r) and taken branches.
 2023-01-26 13:21:28 -06:00
Ross Thompson
6025bbc9ae Fixed another bug with the compressed instruction class decode. 2023-01-26 12:19:33 -06:00
Ross Thompson
a8d5ba1ea4 Fixed compressed branch class decode. 2023-01-26 11:07:47 -06:00
Ross Thompson
3577220625 Improved no class prediction mode. 2023-01-26 10:54:43 -06:00
Ross Thompson
19a964325a Modified the RAS to correctly repair itself. 2023-01-25 23:33:03 -06:00
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
3b4d49a358 RAS is now compliant with our header and documentation guide. 2023-01-25 17:18:07 -06:00
Ross Thompson
5da1aeeef1 Improved RAS again. 2023-01-25 17:10:52 -06:00
Ross Thompson
2f0e40402b Improved RAS. 2023-01-25 17:06:25 -06:00
Ross Thompson
724ae13cc2 More branch predictor improvements. 2023-01-25 16:03:02 -06:00
Ross Thompson
fd1f7d4d34 Cleaned up branch predictor. 2023-01-25 15:29:55 -06:00
Ross Thompson
56a24d02e8 Fixed subtle bug in btb. 2023-01-25 15:16:53 -06:00
Ross Thompson
16142eca59 Added logic to forward btb prediction results. 2023-01-25 13:02:20 -06:00
Ross Thompson
4550966678 More btb cleanup. 2023-01-25 12:14:18 -06:00
Ross Thompson
fa0939c252 Updated gitflow. 2023-01-25 12:09:02 -06:00
Ross Thompson
40b4811d2b Found minor bug in gshare. 2023-01-25 12:08:54 -06:00
Ross Thompson
afdcfeb93b BTB cleanup. 2023-01-25 12:05:13 -06:00
Ross Thompson
7e1363bfad Optomized gshare. 2023-01-25 11:41:16 -06:00
Ross Thompson
b931110f2d Renamed file missed from last commit. 2023-01-25 10:17:43 -06:00
Ross Thompson
ad6f7041b4 Fixed wrong header on optgshare.sv. Somehow it still had the old MIT license. 
Renamed ram2p1rwbefix.sv to ram2p1rwbe.sv
 2023-01-25 10:14:30 -06:00
Ross Thompson
5434d355c1 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-01-24 17:33:14 -06:00
Ross Thompson
56369f7641 Removed old versions of gshare. 2023-01-24 17:26:54 -06:00
Ross Thompson
1acbdaeca6 Removed the old two port ram and replaced it with the fixed version. 
The fixed version is renamed to ram2p1r1wb.sv
 2023-01-24 17:25:16 -06:00
Ross Thompson
1170dc7250 Moved and ranamed btb to btb.sv 
Fixed btb to use the fixed port 2 sram.
 2023-01-24 17:19:51 -06:00
Mike Thompson
0bce9563e9
Merge pull request #27 from ross144/main 
Reduced complexity of the git fork flow documentation.
 2023-01-24 23:18:25 +01:00
Ross Thompson
7d1109fc24 Partial BTB cleanup. 2023-01-24 16:12:35 -06:00
Ross Thompson
2157970adf Moved branch predictor files into separate sub-directory. 2023-01-24 16:00:27 -06:00
Ross Thompson
271fa27d1e Updated git flow documentation. 2023-01-24 13:24:44 -06:00
David Harris
4b62d0e464
Merge pull request #26 from ross144/main 
Clarified the git fork work flow.
 2023-01-24 09:34:52 -08:00
Ross Thompson
97ad92e63b Merge remote-tracking branch 'upstream/main' 2023-01-24 11:28:59 -06:00
Ross Thompson
853dbdfef9 Clarified the git fork work flow. 2023-01-24 11:28:41 -06:00
David Harris
1ca3e43637
Merge pull request #25 from ross144/main 
Moved ebufsmarb into its own module.
 2023-01-24 04:45:51 -08:00
Ross Thompson
5494ee2159 Moved ebufsmarb into its own module. 2023-01-23 23:10:10 -06:00
Ross Thompson
a4d5ccc4d6 Added comments about needing move ebufsm into a new module. 2023-01-23 22:03:49 -06:00
David Harris
38e7357b9d
Merge pull request #24 from ross144/main 
Added comments to serveral files to cleanup code.
 2023-01-23 16:57:56 -08:00