35 Commits

Author	SHA1	Message	Date
David Harris	7d93659f6b	changed name to CORE-V-WALLY	2023-01-11 15:15:08 -08:00
David Harris	b911056e66	Changed Wally to CORE-V Wally	2023-01-11 14:03:44 -08:00
David Harris	5a565ebeb5	FPU cleanup	2023-01-11 12:27:00 -08:00
David Harris	68347d3558	fpu cleanup	2023-01-11 12:18:06 -08:00
David Harris	e6f110b953	Replaced MDUE with IntDivE in FDIVSQRT	2023-01-11 11:06:37 -08:00
David Harris	e92cffbb5e	Changed MIT license to Solderpad License	2023-01-10 11:35:20 -08:00
David Harris	d6aad0f3c3	Fixed floating Sqrt signal when floating point is disabled, causing REMU tohang during buildroot around 3.2M	2022-12-27 21:24:38 -08:00
David Harris	ed26850439	Made SqrtE only true on square root so gating with ~MDUE can be removed)	2022-12-27 10:27:07 -08:00
Ross Thompson	c9c83ca5ae	Removed XEnE, YEnE, and ZEnE from forward logic. ... Cleanup comments.	2022-12-23 14:27:03 -06:00
Ross Thompson	deee433d07	Cleanup floating point hazard logic.	2022-12-23 14:21:47 -06:00
Ross Thompson	c8a0e7685a	DON'T USE. First commit in attempt to move fpustall detection into the decode stage.	2022-12-23 12:47:18 -06:00
Ross Thompson	b1aa370ff1	Removed ZForwardEnE and replaced with ZEnE. ... Similar for YForwardEnE.	2022-12-23 12:27:51 -06:00
David Harris	b5958b1e11	Properly decode fcvtint to prevent unnecessary stalls	2022-12-19 09:09:48 -08:00
David Harris	128cc86254	Moved DivStartE to fdivsqrtfsm	2022-11-16 10:00:07 -08:00
David Harris	657f16dfd1	Adding start signals for integer divider to fdivsqrt	2022-09-29 16:30:25 -07:00
David Harris	0ec1886b89	Partitioned fdivsqrt into one module per file and added file names to opening comments	2022-09-20 03:57:57 -07:00
David Harris	d72068d582	Only stall FPU to IEU on convert instructions with dependencies	2022-08-23 12:57:18 -07:00
David Harris	05aa18fe14	Cleaned up fcvt selection control to IEU and FPUIllegalInst signals	2022-08-23 12:17:19 -07:00
David Harris	f72d07adce	Improved illegal instruction checking in FPU	2022-08-23 11:08:02 -07:00
Katherine Parry	b3d932cd61	divider sizes reworked to match book	2022-07-22 22:02:04 +00:00
Katherine Parry	fbe8bb2298	radix-4 division integrated into srt - not tested	2022-07-21 19:38:06 +00:00
Katherine Parry	7950a675ea	added input enables and improved forwarding	2022-07-21 01:20:06 +00:00
Katherine Parry	a30d9c6bd8	turn off 2 word store durring non-fp instructions	2022-07-20 21:57:23 +00:00
Katherine Parry	b26297e874	moved ctrl signal registers into fctrl, also a lot of code cleaning	2022-07-20 02:27:39 +00:00
Katherine Parry	75a8cea4e4	srt divider merged into fpu	2022-07-07 16:01:33 -07:00
Katherine Parry	8f98f3bfab	added rv32 double precision stores - untested	2022-06-28 21:33:31 +00:00
Katherine Parry	03d823f5d7	added fld in rv32 - needs testing	2022-06-20 22:53:13 +00:00
Katherine Parry	08b2481917	some synth fpu optimizations	2022-06-14 23:58:39 +00:00
Katherine Parry	5f7072bd96	postprocessing unit created and passing all tests	2022-06-13 22:47:51 +00:00
Katherine Parry	eb93bd46d7	fma synth warnings and errors removed	2022-06-06 16:06:04 +00:00
Katherine Parry	ccda4c771e	fpu paramaterized - except fdivsqrt	2022-06-02 19:50:28 +00:00
Katherine Parry	74b549ddc8	paramerterized some small fma units	2022-06-01 23:34:29 +00:00
Katherine Parry	c264585fe8	single and double conversions pass all tests	2022-05-25 23:02:02 +00:00
David Harris	9c4de0e9c1	FPU generates illegal instruction if MSTATUS.FS = 00	2022-05-03 11:56:31 +00:00
David Harris	115287adc8	Renamed wally-pipelined to pipelined	2022-01-04 19:47:41 +00:00