143 Commits

Author	SHA1	Message	Date
Kevin Kim	26cb1857f3	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	bd9b9970f5	Merge remote-tracking branch 'origin' into illegal_specific	2023-03-07 11:30:36 -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	81198ce6f6	reverted backing to working version	2023-03-07 00:29:58 -08:00
Kevin Kim	5637897dce	reverted to working version	2023-03-07 00:28:07 -08:00
David Harris	7ecf4cdea8	Fixed bug about rv64 shifts only using 6 bits of funct7	2023-03-06 13:10:51 -08:00
David Harris	7e0c96cdcc	Simplified decoder default to illegal instruction	2023-03-06 11:21:11 -08:00
David Harris	c2efdbdbbb	More detailed decoding of load/store/branch/jump	2023-03-06 11:15:48 -08:00
David Harris	a56557d847	Improved decoding illegal instructions in controller	2023-03-06 11:02:42 -08:00
Kevin Kim	c7d1e35d4a	structural changes in cnt.sv	2023-03-06 06:44:15 -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	8f3acedec8	formatted files	2023-03-06 05:52:08 -08:00
Kevin Kim	fb529e1640	updated license header	2023-03-06 05:41:53 -08:00
Kevin Kim	e80c1248a2	bug fix	2023-03-05 15:20:48 -08:00
Kevin Kim	3dbdf3d579	extend unit structural mux	2023-03-05 15:09:02 -08:00
Kevin Kim	696cfb6949	zbb result select mux structural	2023-03-05 14:57:30 -08:00
Kevin Kim	2ae32f75b5	zbc input mux structural	2023-03-05 14:26:31 -08:00
Kevin Kim	77d8f10574	revA signals to cnt, zbb	2023-03-05 14:26:24 -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	0f2360f0d7	bug in bctrl ... - deleted the min/minu decoding for some reason.	2023-03-04 23:56:33 -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	7512e55699	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	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	f5dca0bf4f	zbc result mux is now structural	2023-03-04 09:22:21 -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	0403cfd41a	removed redundant signals in controller	2023-03-03 21:52:25 -08:00
Kevin Kim	8dd39fbcfb	b controller generates comparison signed flag and controller branch signed logic updated accordingly	2023-03-03 17:12:29 -08:00
Kevin Kim	5e01f86bc5	sltD signal debug. Passes regression	2023-03-03 12:44:33 -08:00
Kevin Kim	c836eea17c	sltD logic optimize	2023-03-03 12:35:40 -08:00
Kevin Kim	d6f8c1dd29	Merge branch 'bctrlmigrate' of https://github.com/kipmacsaigoren/cvw into bctrlmigrate	2023-03-03 09:54:08 -08:00
Kevin Kim	1c55d4a8d5	Merge branch 'openhwgroup:main' into bctrlmigrate	2023-03-03 09:53:59 -08:00
Kevin Kim	422b428cba	removed outdated b-signals in controller	2023-03-03 08:45:42 -08:00
Kevin Kim	9cad890c1a	comments to bctrl	2023-03-03 08:41:47 -08:00
Kevin Kim	19410b4196	migrated B-subarith logic into b controller	2023-03-03 08:40:29 -08:00
Kevin Kim	2c3271dd62	began subarith configurability optimization in controller	2023-03-03 08:27:11 -08:00
Ross Thompson	cfca77172e	Added fence counter.	2023-03-02 23:29:20 -06:00
Kevin Kim	b21ca2fba0	bug fix, more elegant logic changes in controller	2023-03-02 16:00:56 -08:00
Kevin Kim	c9bd37c92b	formatting	2023-03-02 15:28:43 -08:00
Kevin Kim	910eeea3ff	removed main instruction decoder dependence on bmu controller	2023-03-02 15:28:33 -08:00
Kevin Kim	05b329dd6a	added bitmanip illegal instruction signal	2023-03-02 15:09:55 -08:00
Kevin Kim	3e8e633a56	zbc comments	2023-03-02 13:52:00 -08:00
Kevin Kim	b0307f5082	formatted bmu decoder	2023-03-02 13:45:15 -08:00
Kevin Kim	24b0b83d52	moved ALUControlD into configurable block	2023-03-02 12:17:03 -08:00
Kevin Kim	0f60505179	moved SubArith and RegWriteE into configurable block	2023-03-02 12:15:57 -08:00
Kevin Kim	b81a5e4452	added BRegWriteE signal	2023-03-02 12:15:22 -08:00
Kevin Kim	5e10720bed	rename shifternew to shifter	2023-03-02 11:45:32 -08:00