40 Commits

Author	SHA1	Message	Date
Kevin Kim	72de867e65	Rotate signal now gets generated in bmu ctrl	2023-03-03 22:57:49 -08:00
Kevin Kim	b315066b03	license comments	2023-03-03 21:52:34 -08:00
Kevin Kim	c9bd37c92b	formatting	2023-03-02 15:28:43 -08:00
Kevin Kim	5e10720bed	rename shifternew to shifter	2023-03-02 11:45:32 -08:00
Kevin Kim	692e406976	changed shifter source select signal name	2023-02-28 11:41:40 -08:00
Kevin Kim	1506d50c63	rename result back to ALUResult in ALU	2023-02-28 07:27:34 -08:00
Kevin Kim	f5d3e0e8a0	removed old shifter	2023-02-24 17:33:47 -08:00
Kevin Kim	601c6fcdc4	removed now-redundant zero-extend mux in alu	2023-02-24 17:14:12 -08:00
Kevin Kim	1d4200e3a3	took sign extension out of shifter	2023-02-24 17:09:56 -08:00
Kevin Kim	00a0170b30	optimized mux to shifter, passes rv32/64i	2023-02-24 12:09:34 -08:00
Kevin Kim	8b6d699857	small optimization to condzext select	2023-02-23 21:57:28 -08:00
Kevin Kim	35bd4f7219	added individual zb tests in tests.vh and testbench ... - also minor alu/controller configurability changes	2023-02-21 11:52:05 -08:00
Kevin Kim	0f876c3111	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	e7339902ae	alu and controllers handle andn, orn, xnor	2023-02-18 20:57:07 -08:00
Kevin Kim	baff2c9362	rotate instructions now handled in ZBB unit	2023-02-18 19:56:54 -08:00
Kevin Kim	f18cd53dee	began ZBB integration into ieu	2023-02-18 19:44:14 -08:00
Kevin Kim	2ccbde9d09	configured shifter in alu	2023-02-17 21:58:49 -08:00
Kevin Kim	9af0ffe3a9	added zero extend, pre-shift mux to ALU	2023-02-17 20:15:12 -08:00
Kevin Kim	b09d942d60	removed Funct7 in Execute Stage	2023-02-17 16:12:09 -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	5b341ac3a7	alu handles ALU select instead of funct3	2023-02-17 07:51:10 -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	2eb8721843	continued ZBC integration into ALU	2023-02-15 09:35:07 -08:00
Kevin Kim	2a58a86371	added ALUResult Signal	2023-02-15 09:13:10 -08:00
Kevin Kim	857097282c	git	2023-02-14 16:03:26 -08:00
Kevin Kim	420a0209dd	Merge branch 'tmp' into main	2023-02-14 13:12:57 -08:00
Kevin Kim	1a209aac21	reverted back to I tests working	2023-02-14 13:06:31 -08:00
Kevin Kim	bcea347370	added ALU result select mux for B instructions	2023-02-13 17:38:00 -08:00
Kevin Kim	2679f06a00	Shadd instructions pass tests	2023-02-13 16:36:17 -08:00
Kevin Kim	02a7dc45f0	ALU lint fixes	2023-02-13 14:01:51 -08:00
Kevin Kim	ed6a0466ad	ALU configurability changes ... -stuff that was ZBA supported was in ZBB so I changed that	2023-02-13 14:00:06 -08:00
Kevin Kim	cf09bbff5f	alu add.uw needs w64 to be false	2023-02-13 13:49:35 -08:00
Kevin Kim	67db085b24	lint fixes	2023-02-11 21:13:10 -08:00
Kevin Kim	76a8f2d3d3	added W64 zbb input signal in alu	2023-02-09 19:07:22 +00:00
Kip Macsai-Goren	41a91cc1e7	fixed merge conflicts with removal of pipelined folder	2023-02-06 18:04:28 -08:00
David Harris	78eb90715c	Removed pipelined level of hierarchy	2023-02-02 14:14:11 -08:00