55 Commits

Author	SHA1	Message	Date
Kevin Kim	728be29ce3	formatting	2023-03-20 13:09:49 -07:00
Kevin Kim	07a43e1935	Merge branch 'main' of https://github.com/openhwgroup/cvw into bit-manip	2023-03-20 13:06:10 -07:00
Kevin Kim	869c7283e8	formatting	2023-03-10 14:32:01 -08:00
Kevin Kim	827cf567e6	removed redundant convinvb signal	2023-03-10 14:18:24 -08:00
Kevin Kim	a5841c6fb2	removed redundant condinvb mux	2023-03-10 14:17:38 -08:00
David Harris	2614448218	Simplified SLT and SLTU code in ALU	2023-03-09 15:14:52 -08:00
Kevin Kim	20af58cdd4	alu formatting	2023-03-07 14:01:47 -08:00
Kevin Kim	dc456415c1	formatting	2023-03-07 10:57:52 -08:00
Kevin Kim	7ec33ca094	shifter sign generation logic optimize	2023-03-07 10:57:06 -08:00
Kevin Kim	45697f050d	formatting	2023-03-06 06:20:25 -08:00
Kevin Kim	c38a5d9151	formatting ... - reverted back to ALUResult signal in alu.sv	2023-03-06 06:19:01 -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	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	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	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	2a0c59d5a7	formatting	2023-03-02 15:28:43 -08:00
Kevin Kim	d40f3b2a1c	rename shifternew to shifter	2023-03-02 11:45:32 -08:00
Kevin Kim	82059fba67	changed shifter source select signal name	2023-02-28 11:41:40 -08:00
Kevin Kim	30ef1ac9e3	rename result back to ALUResult in ALU	2023-02-28 07:27:34 -08:00
Kevin Kim	c7050ada78	removed old shifter	2023-02-24 17:33:47 -08:00
Kevin Kim	b3180d7307	removed now-redundant zero-extend mux in alu	2023-02-24 17:14:12 -08:00
Kevin Kim	0fe1d3b9f3	took sign extension out of shifter	2023-02-24 17:09:56 -08:00
Kevin Kim	a856c5de96	optimized mux to shifter, passes rv32/64i	2023-02-24 12:09:34 -08:00
Kevin Kim	f0cf7c2c6a	small optimization to condzext select	2023-02-23 21:57:28 -08:00
Kevin Kim	bb252acfbe	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	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	27581f8d28	alu and controllers handle andn, orn, xnor	2023-02-18 20:57:07 -08:00
Kevin Kim	bec2905ee5	rotate instructions now handled in ZBB unit	2023-02-18 19:56:54 -08:00
Kevin Kim	9203b0cc2f	began ZBB integration into ieu	2023-02-18 19:44:14 -08:00
Kevin Kim	92c0d3a4ed	configured shifter in alu	2023-02-17 21:58:49 -08:00
Kevin Kim	50ec6baa07	added zero extend, pre-shift mux to ALU	2023-02-17 20:15:12 -08:00
Kevin Kim	fcae58fcc7	removed Funct7 in Execute Stage	2023-02-17 16:12:09 -08:00
Kevin Kim	bb79b57cc1	alu bug fix ... - condmaskb piped in correctly instead of b	2023-02-17 11:02:07 -08:00
Kevin Kim	ee3a520a1f	alu looks at BSelect, added BSelect one hot signal	2023-02-17 09:51:49 -08:00
Kevin Kim	890c54bc0b	added alu changes to previous commit	2023-02-17 08:22:13 -08:00
Kevin Kim	ec2421ead4	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	9ab8183e80	alu handles ALU select instead of funct3	2023-02-17 07:51:10 -08:00
Kevin Kim	465aad372a	added comments to zbc units	2023-02-15 17:42:32 -08:00
Kevin Kim	aad4d13603	zbc configurability and select mux	2023-02-15 17:39:37 -08:00
Kevin Kim	cf8392cbd8	continued ZBC integration into ALU	2023-02-15 09:35:07 -08:00
Kevin Kim	5426dd6184	added ALUResult Signal	2023-02-15 09:13:10 -08:00
Kevin Kim	70f2dd701c	git	2023-02-14 16:03:26 -08:00
Kevin Kim	9728e00dfd	Merge branch 'tmp' into main	2023-02-14 13:12:57 -08:00
Kevin Kim	8e371864e4	reverted back to I tests working	2023-02-14 13:06:31 -08:00
Kevin Kim	fd46e0080c	added ALU result select mux for B instructions	2023-02-13 17:38:00 -08:00
Kevin Kim	29abec2409	Shadd instructions pass tests	2023-02-13 16:36:17 -08:00
Kevin Kim	27223a05e2	ALU lint fixes	2023-02-13 14:01:51 -08:00
Kevin Kim	29d03dbfc7	ALU configurability changes ... -stuff that was ZBA supported was in ZBB so I changed that	2023-02-13 14:00:06 -08:00