65 Commits

Author	SHA1	Message	Date
David Harris	89479391ca	Simplified rotate source to shifter	2023-03-24 06:49:26 -07:00
David Harris	e8d6073eca	BMU simplifications	2023-03-24 06:18:06 -07:00
Kevin Kim	4c73f0fffd	minor formatting	2023-03-23 22:28:21 -07:00
Kevin Kim	5a19934511	comments	2023-03-23 22:22:25 -07:00
Kevin Kim	ae162a2694	removed redundant signals ... -fixed some comments too	2023-03-23 22:20:37 -07:00
Kevin Kim	9c457e3af4	bitmanip alu submodule passes lint and regression	2023-03-23 21:56:03 -07:00
Kevin Kim	443e64bef2	more progress. Failing regression	2023-03-23 20:42:49 -07:00
Kevin Kim	51d691215f	more progress on bitmanip alu modularization	2023-03-23 16:02:38 -07:00
Kevin Kim	fce62fc213	formatting	2023-03-22 10:26:04 -07:00
Kevin Kim	4ecfa1bad3	added bitmanip 64 tests to updated regression script ... + alu structural mux changes	2023-03-20 14:19:39 -07:00
Kevin Kim	5056eb404c	formatting	2023-03-20 13:09:49 -07:00
Kevin Kim	82d52f892b	Merge branch 'main' of https://github.com/openhwgroup/cvw into bit-manip	2023-03-20 13:06:10 -07:00
Kevin Kim	9b4f3219db	formatting	2023-03-10 14:32:01 -08:00
Kevin Kim	c380b0816d	removed redundant convinvb signal	2023-03-10 14:18:24 -08:00
Kevin Kim	dcaf9de228	removed redundant condinvb mux	2023-03-10 14:17:38 -08:00
David Harris	33fa7e4706	Simplified SLT and SLTU code in ALU	2023-03-09 15:14:52 -08:00
Kevin Kim	4bb43892f9	alu formatting	2023-03-07 14:01:47 -08:00
Kevin Kim	6d146a7e20	formatting	2023-03-07 10:57:52 -08:00
Kevin Kim	833e7bd2af	shifter sign generation logic optimize	2023-03-07 10:57:06 -08:00
Kevin Kim	e67b02136c	formatting	2023-03-06 06:20:25 -08:00
Kevin Kim	ee66b5fb4a	formatting ... - reverted back to ALUResult signal in alu.sv	2023-03-06 06:19:01 -08:00
Kevin Kim	7836bc1e37	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	6b25c64a1f	BSelect from OH encoding to Binary	2023-03-04 23:19:31 -08:00
Kevin Kim	a293c350ba	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	9494cf9340	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	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