2068 Commits

Author	SHA1	Message	Date
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	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	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
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	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
Ross Thompson	45094fc7bb	Added comments to lrsc module.	2023-01-23 17:49:47 -06:00
Ross Thompson	e1c121fe0d	Oups fixed bug from the last commit.	2023-01-23 17:38:30 -06:00
Ross Thompson	bb11de0f4c	Another round of cleanup in the LSU.	2023-01-23 17:27:39 -06:00
David Harris	678a879415	formatting	2023-01-23 10:54:06 -08:00
David Harris	b6b67516eb	Repo cleanup	2023-01-23 10:37:33 -08:00
Ross Thompson	07308e2c14	Removed mark_debug from all source code.	2023-01-20 18:47:36 -06:00
David Harris	c2f7f7324d	test	2023-01-20 15:23:38 -08:00
David Harris	b173112f86	Continued framework for B instructions	2023-01-20 14:27:13 -08:00
David Harris	1933ea39fa	Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main	2023-01-20 14:19:10 -08:00
David Harris	0f68fccf82	Started adding bit manipulation unit	2023-01-20 14:19:07 -08:00
Ross Thompson	3d71d0196c	Updated figure cache references.	2023-01-20 15:01:54 -06:00
Ross Thompson	5b740fbf60	Removed SDC from repo due to copy right issue. ... Modified fpga build flow to reference it outside the repo.	2023-01-20 14:57:06 -06:00
Ross Thompson	b1f3bd566c	Formatting.	2023-01-20 13:13:05 -06:00
Ross Thompson	f78bfc4940	Formatting.	2023-01-20 13:09:42 -06:00
Ross Thompson	c7f4970597	Formatting.	2023-01-20 13:05:10 -06:00