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1580 Commits

Author SHA1 Message Date
Ross Thompson
63267ff378 optimized branch predictor by removing unnecessary registers. 2023-01-29 22:39:37 -06:00
Ross Thompson
dd9d2be89c Updated global history branch predictcor with the gshare improvements. 2023-01-29 16:26:44 -06:00
Ross Thompson
a9902337cf Merge branch 'main' of https://github.com/openhwgroup/cvw 
This merges the branch predictor improvements into the main repo.
 2023-01-29 15:24:20 -06:00
Ross Thompson
7c8b2b685f gshare cleanup. 2023-01-29 15:07:45 -06:00
Ross Thompson
2a336cfb71 Gshare cleanup. 2023-01-29 15:06:35 -06:00
Ross Thompson
244885d3fa Found bug in gshare. 2023-01-29 15:03:25 -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
David Harris
799caef2c9 Renamed BPTYPE to BPRED_TYPE 2023-01-28 20:06:12 -08:00
David Harris
b89fe9989e Renamed DCACHE to DCACHE_SUPPORTED and ICACHE to ICACHE_SUPPORTED 2023-01-28 18:52:00 -08:00
David Harris
fa3643a064 Renamed BUS to BUS_SUPPORTED 2023-01-28 18:35:53 -08:00
David Harris
8a96dcf0ae Config cleanup and renamed BPRED_ENABLED to BPRED_SUPPORTED 2023-01-28 18:17:42 -08:00
David Harris
c73fe4041e Fixed typo in ram2p1r1wbe_1024x69 and renamed for consistency 2023-01-28 18:07:33 -08:00
David Harris
e27ab1a052 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-01-28 17:55:08 -08:00
James Stine
5a0d8aed23 Modified changes as follows 
* Add docs directory for Docker including Dockerfile
* Change to synthesis script to include fpu stuff
* Add wrappers for IP (may need some cleanup but will cleanup shortly)
 2023-01-28 19:33:00 -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
David Harris
ed1aaa6c8f Comment cleanup in subcachelineread 2023-01-28 11:00:05 -08:00
David Harris
1b0b9314c4 removed unused memory model 2023-01-28 10:58:36 -08:00
David Harris
6c59c21a26 Updated cvw to be consistent with configs 2023-01-28 10:58:02 -08:00
David Harris
eeaa5d9982 Removed unneeded lint directive from core 2023-01-27 15:48:30 -08:00
David Harris
aee984ca69 Use CVW configuration in top-level 2023-01-27 15:47:36 -08:00
David Harris
c2ce2947f9 Removed unused BMU, added CVW configuration 2023-01-27 15:47:15 -08:00
Ross Thompson
a953954909 Clarified gshare bp. 2023-01-27 16:40:20 -06:00
David Harris
a99fc74976 Removed integer from localparams 2023-01-27 14:40:06 -08:00
David Harris
717cb4e6c5 Removed int/integer from parameters) 2023-01-27 14:27:04 -08:00
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
David Harris
44c7102026 Renamed ram2p1rw1be to match modeule name 2023-01-27 09:54:50 -08:00
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
David Harris
4f7e1b9423 Fixed typo in bpred preventing compiling 2023-01-27 05:55:53 -08:00
David Harris
e682b8d0d4 renamed brpred to bpred 2023-01-27 05:55:31 -08:00
David Harris
3986e84179 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-01-26 14:52:25 -08:00
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