114 Commits

Author	SHA1	Message	Date
Kevin Kim	ad63699aac	fixed ctlzw bug in count unit	2023-02-18 20:12:30 -08:00
Kevin Kim	ecfcad20a0	zbb handles count instructions	2023-02-18 20:12:17 -08:00
Kevin Kim	543dc1e36a	fixed bmuctrl decode bug	2023-02-18 20:11:50 -08:00
Kevin Kim	446327215d	updated comments in bmuctrl	2023-02-18 19:57:10 -08:00
Kevin Kim	baff2c9362	rotate instructions now handled in ZBB unit	2023-02-18 19:56:54 -08:00
Kevin Kim	e4085764e7	removed redundant decode logic in bmuctrl	2023-02-18 19:50:36 -08:00
Kevin Kim	f18cd53dee	began ZBB integration into ieu	2023-02-18 19:44:14 -08:00
Kevin Kim	5f56f72bb1	bmuctrl handles roriw	2023-02-18 16:26:16 -08:00
Kip Macsai-Goren	9c3aa55349	merge upstream synth changes	2023-02-18 14:35:19 -08:00
David Harris	92d4acf118	Removed unused PredInstrClassE register from bpred	2023-02-18 05:59:25 -08:00
David Harris	1af99c7aee	Removed unused weq0M register fron fdivsqrtpostproc	2023-02-18 05:57:39 -08:00
David Harris	adc22235be	Fixed issue #57 of sign selection for improperly NaN-boxed number	2023-02-18 05:34:40 -08:00
David Harris	7923d32c3a	Fixed unpacking of illegal NaN box. Fixed issue #56 of sign injection NaN	2023-02-18 05:25:38 -08:00
Kevin Kim	2ccbde9d09	configured shifter in alu	2023-02-17 21:58:49 -08:00
Kevin Kim	f85c1058ff	shifter bug fix ... - roli not passing unless I keep the MSB (instead of inverting) of truncated offset	2023-02-17 21:58:26 -08:00
Kevin Kim	77fc40149f	controller supports some rotates	2023-02-17 21:57:34 -08:00
Kevin Kim	5e7ed8804f	bmuctrl supports some rotates	2023-02-17 21:57:19 -08:00
David Harris	63a6567ed3	Created PostBox signal to NaN-box malformed NaNs of excess length. Fixes Issue #55	2023-02-17 20:51:43 -08:00
Kevin Kim	9af0ffe3a9	added zero extend, pre-shift mux to ALU	2023-02-17 20:15:12 -08:00
Kevin Kim	cad0973b6b	more elegant ZBA logic in controller	2023-02-17 20:14:47 -08:00
Kevin Kim	88d7c3b1f2	bmuctrl handles .uw instructions	2023-02-17 20:14:13 -08:00
David Harris	154d7eb9ef	Fixed RAM bugs and refactored with read taking place after clock edge rather than before.	2023-02-17 19:14:38 -08:00
Kevin Kim	01f3cc2838	controller supports ZBA instructions	2023-02-17 16:44:16 -08:00
Kevin Kim	b09d942d60	removed Funct7 in Execute Stage	2023-02-17 16:12:09 -08:00
David Harris	daf2f822c2	Memory synthesis updates	2023-02-17 15:33:49 -08:00
David Harris	3f2f48ddc6	Continue fixing memory macros for synthesis	2023-02-17 15:15:37 -08:00
David Harris	aba29f6cc8	Synthesis with memories	2023-02-17 13:51:05 -08:00
Kevin Kim	a1570a88c9	bmuctrl checks for illegal zbs-style instructions	2023-02-17 12:54:08 -08:00
Kevin Kim	370ff54875	bctrl bug fix ... - bctrl decodes shift immediate instructions properly	2023-02-17 11:16:29 -08:00
Kevin Kim	aba4eb80d4	alu bug fix ... - condmaskb piped in correctly instead of b	2023-02-17 11:02:07 -08:00
Kevin Kim	07eaf146c2	alu looks at BSelect, added BSelect one hot signal	2023-02-17 09:51:49 -08:00
Kevin Kim	323d14f9d9	added alu changes to previous commit	2023-02-17 08:22:13 -08:00
Kevin Kim	44c9612a5c	added BSelect Signal ... - BSelect [3:0] is a one hot encoding of if it's a ZBA_ZBB_ZBC_ZBS instruction	2023-02-17 08:21:55 -08:00
Kevin Kim	ada6023a41	comments	2023-02-17 07:53:14 -08:00
Kevin Kim	ab542a5bc3	comments	2023-02-17 07:52:54 -08:00
Kevin Kim	290fcd1789	comment formatting	2023-02-17 07:51:28 -08:00
Kevin Kim	5b341ac3a7	alu handles ALU select instead of funct3	2023-02-17 07:51:10 -08:00
Kevin Kim	ff365de54a	added BMU controll	2023-02-17 07:50:59 -08:00
Kevin Kim	f0c81247e4	Added ALUSelect signal into datapath, ieu, controller	2023-02-17 07:50:45 -08:00
David Harris	0d2baed943	Reverted lab3 changes in dev branch	2023-02-16 18:10:05 -08:00
David Harris	26ea8b03c3	Merge branch 'lab3_2023' of https://github.com/openhwgroup/cvw into dev	2023-02-16 17:57:51 -08:00
David Harris	33eb5423cb	Update datapath.sv	2023-02-16 17:53:31 -08:00
David Harris	113b124721	Update controller.sv	2023-02-16 17:52:44 -08:00
David Harris	43afa34338	Update alu.sv	2023-02-16 17:52:25 -08:00
David Harris	5b370bdc0f	Added SSTC support for supervisor timer compare, but presently disable support. Reenable for rv32gc and rv64gc after tests pass.	2023-02-16 07:37:12 -08:00
Kevin Kim	921a32faf9	added comments to zbc units	2023-02-15 17:42:32 -08:00
Kevin Kim	50f0262498	zbc configurability and select mux	2023-02-15 17:39:37 -08:00
Kevin Kim	cd13913f07	controller forwards funct7 ... - started the bmu controll register	2023-02-15 17:38:12 -08:00
Kevin Kim	8feeaa5e94	zbc and carry-less multiply work properly	2023-02-15 17:37:09 -08:00
James Stine	a3aeff2703	Update if-then-else for ram items	2023-02-15 18:12:12 -06:00