277 Commits

Author	SHA1	Message	Date
Kevin Kim	cec1e89c78	bug fix	2023-03-05 15:20:48 -08:00
Kevin Kim	19beed7866	extend unit structural mux	2023-03-05 15:09:02 -08:00
Kevin Kim	7531bf1fd6	zbb result select mux structural	2023-03-05 14:57:30 -08:00
Kevin Kim	3656d42ac0	zbc input mux structural	2023-03-05 14:26:31 -08:00
Kevin Kim	869e812aa8	revA signals to cnt, zbb	2023-03-05 14:26:24 -08:00
Kevin Kim	0e6ea0ee60	ALU changes ... - added PreShiftAmt signal for shadd - condinvB now muxes from B instead of mask	2023-03-05 14:06:24 -08:00
Kevin Kim	3d5ee8d964	bug in bctrl ... - deleted the min/minu decoding for some reason.	2023-03-04 23:56:33 -08:00
Kevin Kim	6ead150cb1	BSelect from OH encoding to Binary	2023-03-04 23:19:31 -08:00
Kevin Kim	4b1ee5a196	alu pre-shift ... -changed ALU pre shift logic to use a 2 bit shifter instead of mux	2023-03-04 23:07:06 -08:00
Kevin Kim	b0f152de28	added python script ... -I've been using this python script to make quick changes to the bitmanip controller	2023-03-04 22:54:32 -08:00
Kevin Kim	499c3c5c30	Merge branch 'bit-manip' of https://github.com/kipmacsaigoren/cvw into bit-manip	2023-03-04 22:44:09 -08:00
Kevin Kim	6295178073	removed rotate signal in datapath and instead packed into the new BALUControl Signal ... - BALUControl contains Rotate, Mask, PreShift signals to select from the respective generation muxes in the ALU	2023-03-04 22:44:03 -08:00
Kip Macsai-Goren	e76e7120c0	Merge remote-tracking branch 'upstream/main' into bit-manip	2023-03-04 14:43:12 -08:00
Kevin Kim	b6dd855395	zbc result mux is now structural	2023-03-04 09:22:21 -08:00
Kevin Kim	6e52113208	Rotate signal now gets generated in bmu ctrl	2023-03-03 22:57:49 -08:00
Kevin Kim	18ab538a5e	license comments	2023-03-03 21:52:34 -08:00
Kevin Kim	efce306aab	removed redundant signals in controller	2023-03-03 21:52:25 -08:00
Kevin Kim	448e950eba	b controller generates comparison signed flag and controller branch signed logic updated accordingly	2023-03-03 17:12:29 -08:00
Ross Thompson	dea5aae01e	Merge pull request #126 from davidharrishmc/dev ... ImperasDV setup	2023-03-03 18:01:32 -06:00
Kevin Kim	0bb75132c6	sltD signal debug. Passes regression	2023-03-03 12:44:33 -08:00
Kevin Kim	d24f74dc4b	sltD logic optimize	2023-03-03 12:35:40 -08:00
Kevin Kim	66b15b9163	Merge branch 'bctrlmigrate' of https://github.com/kipmacsaigoren/cvw into bctrlmigrate	2023-03-03 09:54:08 -08:00
Kevin Kim	0dee48fa5c	Merge branch 'openhwgroup:main' into bctrlmigrate	2023-03-03 09:53:59 -08:00
Kevin Kim	77c9114bcc	removed outdated b-signals in controller	2023-03-03 08:45:42 -08:00
Kevin Kim	2b9a6aba91	comments to bctrl	2023-03-03 08:41:47 -08:00
Kevin Kim	11f165d1bb	migrated B-subarith logic into b controller	2023-03-03 08:40:29 -08:00
Kevin Kim	b5a5f364e1	began subarith configurability optimization in controller	2023-03-03 08:27:11 -08:00
Ross Thompson	7dd8fa16c1	Renamed BTB misprediction to BTA.	2023-03-03 00:18:34 -06:00
Ross Thompson	bdab2c8506	Added divide cycle counter.	2023-03-02 23:59:52 -06:00
Ross Thompson	4b501f6e03	Added the i and d cache cycle counters.	2023-03-02 23:54:56 -06:00
Ross Thompson	b19d51b6a2	Added fence counter.	2023-03-02 23:29:20 -06:00
Ross Thompson	3dbfa96aef	Added csr write counter, sfence vma counter, interrupt counter, and exception counter.	2023-03-02 23:21:29 -06:00
Ross Thompson	cf4d8e6bd0	Added store stall to performance counters.	2023-03-02 23:10:54 -06:00
Ross Thompson	e257ec96ac	Reordered performance counters and added space for new ones.	2023-03-02 23:04:31 -06:00
David Harris	d51d93a3a8	Refactored Floating point division special case detection to avoid spurious trigger on Y for sqrt)	2023-03-02 20:00:47 -08:00
Kevin Kim	f4b8968e12	bug fix, more elegant logic changes in controller	2023-03-02 16:00:56 -08:00
Kevin Kim	2a0c59d5a7	formatting	2023-03-02 15:28:43 -08:00
Kevin Kim	d0c486df54	removed main instruction decoder dependence on bmu controller	2023-03-02 15:28:33 -08:00
Kevin Kim	11a977ffe3	added bitmanip illegal instruction signal	2023-03-02 15:09:55 -08:00
Kevin Kim	b52208b539	zbc comments	2023-03-02 13:52:00 -08:00
Kevin Kim	2d7d143f6d	formatted bmu decoder	2023-03-02 13:45:15 -08:00
Kevin Kim	1b222f91be	moved ALUControlD into configurable block	2023-03-02 12:17:03 -08:00
Kevin Kim	1e1ecaafb1	moved SubArith and RegWriteE into configurable block	2023-03-02 12:15:57 -08:00
Kevin Kim	7dd4a2e975	added BRegWriteE signal	2023-03-02 12:15:22 -08:00
Kevin Kim	d40f3b2a1c	rename shifternew to shifter	2023-03-02 11:45:32 -08:00
Kevin Kim	905373d53b	zbc input select mux optimize	2023-03-02 11:43:05 -08:00
Kevin Kim	2bfbf051a5	zbc select mux optimization	2023-03-02 11:40:29 -08:00
Kevin Kim	44d40afca8	fixed controller lint, changed byte unit mux select name and input width	2023-03-02 11:36:12 -08:00
Kevin Kim	96995c5593	removed redundant zbs	2023-03-02 11:22:09 -08:00
Ross Thompson	3d1ffac7d7	Cleaned up branch predictor performance counters.	2023-03-01 17:05:42 -06:00