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Author SHA1 Message Date
Ross Thompson
49a7d10914 Fixed typo in testbench branch logger. 2023-01-29 01:00:52 -06:00
Ross Thompson
5c83de4c46 Fixed another bug with the branch logger. 2023-01-29 00:59:59 -06:00
Ross Thompson
6afd7f4fac Fixed bug in the branch logger. 2023-01-29 00:58:50 -06:00
Ross Thompson
250a8df7c3 Updated testbench for branch logger. 2023-01-29 00:56:11 -06:00
Ross Thompson
c8df460b28 Fixed bug with the btb's valid bit not beind held on a stall. 2023-01-29 00:49:23 -06:00
Ross Thompson
9e3074689d Fixed another bug with the speculative gshare with instruction class prediction. 2023-01-29 00:33:40 -06:00
Ross Thompson
6945eaf045 Fixed bug with the new csr. 2023-01-28 17:56:56 -06:00
Ross Thompson
684a7214cb Added another performance counter to track overall branch miss-predictions. 2023-01-28 17:50:46 -06:00
Ross Thompson
3ddf95ac6e Found an issue where the btb was not forwarding the valid bit! 2023-01-28 17:00:50 -06:00
Ross Thompson
b52990e2ce Possible workign instruction class prediction repair. 2023-01-28 16:42:19 -06:00
Ross Thompson
3f25123c63 Possible fix for speculative gshare. 2023-01-28 16:14:19 -06:00
Ross Thompson
a953954909 Clarified gshare bp. 2023-01-27 16:40:20 -06:00
Ross Thompson
121fbd9646 Removed pessimistic x propagation issue for wally32priv test in the branch predictor. 2023-01-27 15:28:31 -06:00
Ross Thompson
cf49c7ddc1 Found issue with branch predictor. 2023-01-27 13:13:55 -06:00
Ross Thompson
6c86c0389c 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
bbb47fc943 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
e0ca23cdd6 Fixed another bug with the compressed instruction class decode. 2023-01-26 12:19:33 -06:00
Ross Thompson
3652673487 Fixed compressed branch class decode. 2023-01-26 11:07:47 -06:00
Ross Thompson
2ee6ffe74b Improved no class prediction mode. 2023-01-26 10:54:43 -06:00
Ross Thompson
29d4cd7ffa Modified the RAS to correctly repair itself. 2023-01-25 23:33:03 -06:00
Ross Thompson
43d4ac1c7b Intermediate commit. Passes regression tests, but RAS is not correct. 2023-01-25 19:39:18 -06:00
Ross Thompson
4e858199e5 Fixed typos. 2023-01-25 18:51:09 -06:00
Ross Thompson
e1d0be5c61 RAS is now compliant with our header and documentation guide. 2023-01-25 17:18:07 -06:00
Ross Thompson
0b9f787635 Improved RAS again. 2023-01-25 17:10:52 -06:00
Ross Thompson
172c40d44b Improved RAS. 2023-01-25 17:06:25 -06:00
Ross Thompson
56aa798d5c More branch predictor improvements. 2023-01-25 16:03:02 -06:00
Ross Thompson
3d285312f0 Cleaned up branch predictor. 2023-01-25 15:29:55 -06:00
Ross Thompson
bb89bf82bf Fixed subtle bug in btb. 2023-01-25 15:16:53 -06:00
Ross Thompson
d4004c2c22 Added logic to forward btb prediction results. 2023-01-25 13:02:20 -06:00
Ross Thompson
541524a754 More btb cleanup. 2023-01-25 12:14:18 -06:00
Ross Thompson
62d812b150 Updated gitflow. 2023-01-25 12:09:02 -06:00
Ross Thompson
85e015d61e Found minor bug in gshare. 2023-01-25 12:08:54 -06:00
Ross Thompson
a0bca35b50 BTB cleanup. 2023-01-25 12:05:13 -06:00
Ross Thompson
5030a56f57 Optomized gshare. 2023-01-25 11:41:16 -06:00
Ross Thompson
a5bd78a622 Renamed file missed from last commit. 2023-01-25 10:17:43 -06:00
Ross Thompson
1e7fda6410 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
39fc3c627b Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-01-24 17:33:14 -06:00
Ross Thompson
42553d1d94 Removed old versions of gshare. 2023-01-24 17:26:54 -06:00
Ross Thompson
0d7653f1c7 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
3d07f7a3a2 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
ff883d6ce4 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
7ae6b1868e Partial BTB cleanup. 2023-01-24 16:12:35 -06:00
Ross Thompson
879cb77b90 Moved branch predictor files into separate sub-directory. 2023-01-24 16:00:27 -06:00
Ross Thompson
8464af84ce Updated git flow documentation. 2023-01-24 13:24:44 -06:00
David Harris
4358f0af95 Merge pull request #26 from ross144/main 
Clarified the git fork work flow.
 2023-01-24 09:34:52 -08:00
Ross Thompson
c2ae1e28cc Merge remote-tracking branch 'upstream/main' 2023-01-24 11:28:59 -06:00
Ross Thompson
f37153cce8 Clarified the git fork work flow. 2023-01-24 11:28:41 -06:00
David Harris
9da283620d Merge pull request #25 from ross144/main 
Moved ebufsmarb into its own module.
 2023-01-24 04:45:51 -08:00
Ross Thompson
89698a929e Moved ebufsmarb into its own module. 2023-01-23 23:10:10 -06:00
Ross Thompson
d495d7b04d Added comments about needing move ebufsm into a new module. 2023-01-23 22:03:49 -06:00