67 Commits

Author	SHA1	Message	Date
Kevin Kim	2175702f6d	cleaner bmu decode logic	2023-03-08 16:22:43 -08:00
Kevin Kim	b33b0afc77	specifc instruction handling for B's ... - Added BALUSrcBD, BaseALUSrcB for distinguishing between base instruction I/IW and Bitmanip instruction I/IW	2023-03-07 13:58:08 -08:00
Kevin Kim	4a31ab1bc3	structural changes in cnt.sv	2023-03-06 06:44:15 -08:00
Kevin Kim	c38a5d9151	formatting ... - reverted back to ALUResult signal in alu.sv	2023-03-06 06:19:01 -08:00
Kevin Kim	474b69967a	formatted files	2023-03-06 05:52:08 -08:00
Kevin Kim	288c7ad48c	updated license header	2023-03-06 05:41:53 -08:00
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	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	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	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
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	448e950eba	b controller generates comparison signed flag and controller branch signed logic updated accordingly	2023-03-03 17:12:29 -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	2a0c59d5a7	formatting	2023-03-02 15:28:43 -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	7dd4a2e975	added BRegWriteE signal	2023-03-02 12:15:22 -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
Kevin Kim	036cad71c6	bitmanip decoder spits out regwrite, w64, and aluop signals [NEEDS DEBUG]	2023-02-28 12:09:35 -08:00
Kevin Kim	6835a635cc	added BRegWrite, BW64, BALUOp signals to bctrl and controller ... -TODO: Main decode in bmuctrl must assert these 3 signals	2023-02-28 11:54:10 -08:00
Kip Macsai-Goren	f8f89e692e	Fixed lint errors on zero and pop count. All of regression passes	2023-02-22 20:25:51 -08:00
Kevin Kim	2069d92f9e	B DONE (for now) ... - datapath passes along comparator flag to alu - controllers and zbb handle min/max instructions	2023-02-18 22:12:55 -08:00
Kevin Kim	888f4318bc	controlleres and zbb handle byte instructions	2023-02-18 21:06:55 -08:00
Kevin Kim	27581f8d28	alu and controllers handle andn, orn, xnor	2023-02-18 20:57:07 -08:00
Kevin Kim	ba968ed95e	added logic to handle sign/zero extend instructions	2023-02-18 20:32:40 -08:00
Kevin Kim	5c563bef43	fixed ctlzw bug in count unit	2023-02-18 20:12:30 -08:00
Kevin Kim	6d60268240	zbb handles count instructions	2023-02-18 20:12:17 -08:00
Kevin Kim	9760f0ccfd	fixed bmuctrl decode bug	2023-02-18 20:11:50 -08:00
Kevin Kim	84ddb6fb54	updated comments in bmuctrl	2023-02-18 19:57:10 -08:00
Kevin Kim	bec2905ee5	rotate instructions now handled in ZBB unit	2023-02-18 19:56:54 -08:00
Kevin Kim	e47cc222a6	removed redundant decode logic in bmuctrl	2023-02-18 19:50:36 -08:00
Kevin Kim	9203b0cc2f	began ZBB integration into ieu	2023-02-18 19:44:14 -08:00
Kevin Kim	7780cbd47a	bmuctrl handles roriw	2023-02-18 16:26:16 -08:00
Kevin Kim	4a52b57002	bmuctrl supports some rotates	2023-02-17 21:57:19 -08:00
Kevin Kim	cd92d6e5d1	bmuctrl handles .uw instructions	2023-02-17 20:14:13 -08:00
Kevin Kim	fcae58fcc7	removed Funct7 in Execute Stage	2023-02-17 16:12:09 -08:00
Kevin Kim	9bf11471aa	bmuctrl checks for illegal zbs-style instructions	2023-02-17 12:54:08 -08:00
Kevin Kim	0bab3bec3d	bctrl bug fix ... - bctrl decodes shift immediate instructions properly	2023-02-17 11:16:29 -08:00
Kevin Kim	ee3a520a1f	alu looks at BSelect, added BSelect one hot signal	2023-02-17 09:51:49 -08:00