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1042 Commits

Author SHA1 Message Date
Rose Thompson
626b89320c More cleanup. 2023-12-29 16:51:39 -06:00
Rose Thompson
730efefc41 Cleanup. 2023-12-29 16:18:30 -06:00
Rose Thompson
6a787981c2 Restored cache store delay hazard. 2023-12-29 16:10:27 -06:00
Rose Thompson
0264a17f77 Reverted dtim to use store delay stall, but only (load after store). 2023-12-29 16:06:30 -06:00
Rose Thompson
fbab9f6c6d Updated comments about AMO and CMO stalls. 2023-12-29 15:31:11 -06:00
Rose Thompson
f59fa5089d Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-12-29 15:13:18 -06:00
Rose Thompson
8030b7d100 Added partial code for uncached amo operations. 
Minor fix for Makefile so coverage tests build.
 2023-12-29 15:07:20 -06:00
Rose Thompson
7afeee9807 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-12-29 14:49:36 -06:00
Jordan Carlin
2fa243c46e fixed coverage exclusions in lsu and ifu 2023-12-29 11:18:23 -08:00
Rose Thompson
52dad4f130 cbo.zero works for uncached memory now! 2023-12-29 11:11:06 -06:00
Rose Thompson
d1456b2471 Progress on fixing cbo.zero for uncached memory regions. 2023-12-29 11:03:38 -06:00
Rose Thompson
482529394a Fixed some of the uncached ifu bugs. 2023-12-29 09:53:22 -06:00
David Harris
2c2f692f3a Moved forwarding logic into controller 2023-12-26 21:17:01 -08:00
David Harris
e8df856fdb Renamed CMOp to CMOpM in mmu and cache 2023-12-25 05:57:41 -08:00
David Harris
6395cd0284 Reversed numbering of adrdecs to make it easier to add new peripherals without renumbering the old ones; update figure to match 2023-12-21 12:29:37 -08:00
David Harris
06ddccd983 Fixed typo in IFU 2023-12-20 20:22:17 -08:00
David Harris
8eace30f49 Moved UnalignedPCNextF mux into IFU 2023-12-20 16:18:31 -08:00
David Harris
8552369687 Merged PR538, delete unused tests 2023-12-20 13:30:31 -08:00
Rose Thompson
b68dd74f89 Reverted logic to bit change. 2023-12-20 13:16:32 -06:00
Rose Thompson
18a96740d5 Revert RAM logic to bit change. 
Added logic to hptw to prevent x propagation.
 2023-12-20 13:10:20 -06:00
Rose Thompson
9de434a61b "Resolved" ram preload issues by replacing the RAM's types with bit from logic. Tested fpga synthesis. 2023-12-20 12:05:25 -06:00
Rose Thompson
9ee1ffe8fe Almost working with modelsim and verilator. 2023-12-20 11:29:31 -06:00
Rose Thompson
d617eb0977 DON'T keep this commit. 2023-12-19 16:56:40 -06:00
David Harris
b0f34a6377 Made priority of misalignment depend on ZICCLSM_SUPPORTED and made StoreAmo take prioirty over load faults 2023-12-19 12:51:45 -08:00
David Harris
6186181d46
Merge pull request #537 from ross144/main 
Almost having working Verilator.  One issue in the testbench remains.
 2023-12-18 18:13:56 -08:00
Rose Thompson
5062a8c89c Added parameter for cache's SRAM length. 
Progress towards verilator support.
 2023-12-18 12:50:49 -06:00
Rose Thompson
1d36ce3328 Fixed lint issue. 2023-12-18 12:03:54 -06:00
David Harris
6cb4a9e905 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-12-15 19:27:10 -08:00
David Harris
bbdcfe24ca
Merge pull request #533 from ross144/main 
Finally fixed the store delay hazard bug.
 2023-12-15 19:13:53 -08:00
Rose Thompson
438451ee02 Fixed the AMO hazard. 2023-12-15 11:55:54 -06:00
David Harris
51b43bffa3 ALU cleanup 2023-12-14 19:06:39 -08:00
David Harris
29f57958a9 Fixed WALLY-lrsc in ImperasDV by setting reservation set size to native word size and adjusting imperas.ic lr_sc_grain=8 to match 2023-12-14 15:32:36 -08:00
David Harris
8eea2bdcc0
Merge pull request #531 from ross144/main 
Updated wavefile
 2023-12-14 14:52:31 -08:00
Rose Thompson
1ca9a8be6d I think I solved the AMO/store hazard issue introduced by removing the store delay hazard. 2023-12-14 16:31:02 -06:00
Rose Thompson
53bf68a585
Merge pull request #528 from davidharrishmc/dev 
Svnapot bug fix
 2023-12-13 21:30:47 -08:00
David Harris
166c98b6f6 Fixed issue 526 about WALLY-mmu-sv39-svadu-svnapot-svpbmt not checking ppn for NAPOT pages. Improved test case to check normal and malformed ppn 2023-12-13 19:43:17 -08:00
Rose Thompson
a7f0aaa722 Added comments to finish store delay stall removal. 2023-12-13 20:35:13 -06:00
Rose Thompson
9cf6b1fdeb Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-12-13 20:34:35 -06:00
Rose Thompson
9f4c32d49c Merge branch 'main' of github.com:ross144/cvw 2023-12-13 20:32:59 -06:00
Rose Thompson
b69a5b59cd DTIM works without the store delay stall. Still a bit of work remaining. The DTIM needs cleanup. 
The cache needs a bit of clean up and the chapter needs updates.
The controller needs to be updated to remove the store delay hazard for cmo instructions.
 2023-12-13 20:32:14 -06:00
Rose Thompson
e089b421bb Got it working for the cache. 2023-12-13 20:24:46 -06:00
Rose Thompson
f592baa741 Closer. 2023-12-13 18:15:32 -06:00
Rose Thompson
eeced05f33 More progress towards store delay reduction. 2023-12-13 15:56:29 -06:00
Rose Thompson
f3d43a7713 Progress on reducing store stall in d cache. 2023-12-13 15:34:21 -06:00
David Harris
ff26baf7e8 Rolled back attempt to support Verilator 2023-12-13 12:53:44 -08:00
David Harris
333e390f8d Test commit from dev 2023-12-13 11:52:21 -08:00
David Harris
6c017141c5 Renamed HADE to ADUE for Svadu 2023-12-13 11:49:04 -08:00
David Harris
aff61ea97a Fixed Linux makefile; load branch predictor RAMs at startup for sim; fixed comment in trap; starting to make testbench more compatible with Verilator 2023-12-13 11:33:59 -08:00
Rose Thompson
3d0f9ce4f3 Cleaned up comments about pc reset. 2023-12-13 13:06:33 -06:00
Rose Thompson
c98c0dd3e0 Removed unnecessary pc reset logic from ifu and btb. 2023-12-13 13:05:10 -06:00