Commit Graph

19 Commits

Author SHA1 Message Date
Ross Thompson
c253b882be Reworked the hazards to eliminate StallFCause. Flush and CSRWrites now flush F,D,E stages and set the correct PCNextF in the M stage. 2022-12-15 09:53:35 -06:00
David Harris
643a2e7cf9 Use FPU divider for integer division when F is supported 2022-12-14 17:03:13 -08:00
David Harris
46680b80a7 Eliminated store after store stall when no cache; simplified divshiftcalc logic. 2022-09-21 13:02:34 -07:00
Ross Thompson
51adf6cba9 Modified the lsu/ifu memory configurations. 2022-08-24 12:35:15 -05:00
Madeleine Masser-Frye
3c08861479 switched comparator to dc flip version 2022-06-21 20:30:33 +00:00
David Harris
9065b684f8 Added stalls for pending SFENCE.VMA and FENCE.I in hazard unit 2022-06-02 09:37:59 -07:00
David Harris
7cf5d481c0 Cleaned up comments in controller 2022-06-02 15:48:33 +00:00
David Harris
61199ccd13 More signal cleanup 2022-05-12 15:39:44 +00:00
David Harris
9c4de0e9c1 FPU generates illegal instruction if MSTATUS.FS = 00 2022-05-03 11:56:31 +00:00
David Harris
48705457d5 LSU/Cache code review notes 2022-03-04 00:07:31 +00:00
David Harris
b537df2651 Synthesis script cleanup, eliminated privileged instructiosn from controller when ZICSR_SUPPORTED = 0 2022-02-12 05:50:34 +00:00
David Harris
15fb7fee60 Cleaned up synthesis warnings 2022-02-11 01:15:16 +00:00
David Harris
0feb624bab Added E tests to wally-riscv-arch-test rv32i_m/I and fixed cyclic path in rv32e configuration 2022-02-06 01:22:40 +00:00
David Harris
bdf1a8ba73 changed DMEM and IMEM configurations to support BUS/TIM/CACHE 2022-02-03 00:41:09 +00:00
David Harris
de7b9c127e Added E extension, and downloaded riscv-dv and embench-iot to addins 2022-01-17 14:42:59 +00:00
David Harris
3d2671a8b0 Reformatted MIT license to 95 characters 2022-01-07 12:58:40 +00:00
David Harris
2df92af488 Capitalized LSU and IFU, changed MulDiv to MDU 2022-01-07 04:30:00 +00:00
David Harris
d66f7c841b Removed generate statements 2022-01-05 14:35:25 +00:00
David Harris
115287adc8 Renamed wally-pipelined to pipelined 2022-01-04 19:47:41 +00:00