Xavi/cvw
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5,684 Commits 14 Branches 1 Tag 31 MiB
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220 Commits

Author SHA1 Message Date
David Harris
d83c61cafc Added SSTC support for supervisor timer compare, but presently disable support. Reenable for rv32gc and rv64gc after tests pass. 2023-02-16 07:37:12 -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
068ddc3e0d controller forwards funct7 
- started the bmu controll register
 2023-02-15 17:38:12 -08:00
Kevin Kim
6ac54a180e zbc and carry-less multiply work properly 2023-02-15 17:37:09 -08:00
James Stine
744991bd5a Update if-then-else for ram items 2023-02-15 18:12:12 -06:00
Kevin Kim
cf8392cbd8 continued ZBC integration into ALU 2023-02-15 09:35:07 -08:00
Ross Thompson
69472b8145 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-15 11:29:39 -06:00
Kevin Kim
5426dd6184 added ALUResult Signal 2023-02-15 09:13:10 -08:00
Kevin Kim
9cec59ea2c controller passes funct7 from decode to execute 2023-02-14 16:06:10 -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
85c2ed8d34 removed unncessary stuff 2023-02-14 13:07:03 -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
84ca2cab9c controller handles bclr 2023-02-13 16:57:05 -08:00
Ross Thompson
094b307724 Merge branch 'main' of github.com:ross144/cvw 2023-02-13 18:54:07 -06:00
Ross Thompson
9c9acc0055 Updated gshare (no speculation) to have better performance. 2023-02-13 18:52:52 -06:00
Kevin Kim
29abec2409 Shadd instructions pass tests 2023-02-13 16:36:17 -08:00
Ross Thompson
33d2bf84f8 More fixeds to global history. 2023-02-13 18:08:51 -06:00
Ross Thompson
a579bbcdd1 Fixed global history predictor. 2023-02-13 18:08:13 -06:00
Ross Thompson
bbc6095260 Updated global history predictor. 2023-02-13 18:07:32 -06:00
Ross Thompson
9f25b53b36 Fixed bug in basic gshare implementation. Should be a better comparison to the speculative versions now. 2023-02-13 17:57:05 -06:00
Ross Thompson
b298a8afc5 Created copy of gshare. I think there may be a simpler implementation. 2023-02-13 17:29:51 -06:00
Ross Thompson
a80dbd3aec Further branch predictor improvements. 2023-02-13 17:23:56 -06:00
Ross Thompson
717cba270c Partial improvement. 2023-02-13 17:10:24 -06:00
Ross Thompson
f4af38a004 Hacked commit. Fixes the gshare bugs introduced last week. 
Need to recover the good changes in the next commit.
 2023-02-13 16:14:17 -06:00
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
Kevin Kim
12911440d0 edited controller so that add.uw passes tests 2023-02-13 13:49:46 -08:00
Kevin Kim
7eb41058c7 alu add.uw needs w64 to be false 2023-02-13 13:49:35 -08:00
Ross Thompson
1d74663f42 Partial fix for gshare bugs from the last two weeks. 2023-02-13 11:57:25 -06:00
Ross Thompson
58749a8c57 Removed another bit from btb class. 2023-02-12 11:33:43 -06:00
Kevin Kim
31787c456b simulation runs-- clmul doesn't pass lint with xor tree 2023-02-11 21:22:33 -08:00
Kevin Kim
5f08322e99 lint fixes 2023-02-11 21:13:10 -08:00
Kevin Kim
6a7fe6352e zbb, zbs, cnt lint fixes 2023-02-11 20:41:52 -08:00
Kevin Kim
61b46e0639 fixed byte unit lints 2023-02-11 20:25:34 -08:00
Kevin Kim
fb99bdab82 fixed lints in cnt 2023-02-11 20:22:42 -08:00
Kevin Kim
c59dfc1e30
fixed typo in LZC 2023-02-11 19:59:03 -08:00
Kevin Kim
38087be3b7 popcnt passes lint 2023-02-11 19:19:38 -08:00
Kevin Kim
76bc1b5999 clmul passes lint 2023-02-11 19:16:13 -08:00
Ross Thompson
1e0667db1d More simplifications to the BP. 2023-02-10 17:09:35 -06:00
Ross Thompson
9c4da7381f Experimental branch prediction optimization. 2023-02-10 15:45:56 -06:00
Kip Macsai-Goren
a7237baa87 fixed small errors to get regression to run with bit manip supported. 2023-02-10 10:37:06 -08:00
Kip Macsai-Goren
f91d74896a Merge remote-tracking branch 'upstream/main' into main 2023-02-10 10:01:14 -08:00
Ross Thompson
9c2e0de672 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-10 10:38:39 -06:00
Ross Thompson
c229f0064e Modified branch predictor to use InstrValidE and InstrValidD rather than the more complex InstrClassE | WrongClassE logic. 2023-02-10 10:33:10 -06:00
Ross Thompson
282ffd1313 RAS and RAS documentation now consistent. 2023-02-10 09:06:51 -06:00
Ross Thompson
faf7cd8c8a Updated globalhistory predictor. 2023-02-09 14:48:02 -06:00
Kevin Kim
726722bec2 Include Funct7 in execute 
- Modifed datapath to support funct7 in execute
- Modified controller to pass on Funct7
- all lints pass
 2023-02-09 19:18:54 +00:00
Kevin Kim
847a4145f1 added W64 zbb input signal in alu 2023-02-09 19:07:22 +00:00
Kevin Kim
e4bfa4c548 modified zbb to account for cnt module change 2023-02-09 16:45:37 +00:00
Kevin Kim
ce9dca8aec modified cnt for zbb to mux inputs 2023-02-09 16:45:22 +00:00
Ross Thompson
996bb289d3 Simplified branch predictor. 2023-02-08 18:24:38 -06:00
Kevin Kim
95ff9e91c5 moved files into bmu folder 2023-02-08 13:57:09 +00:00
Kip Macsai-Goren
0dad7bf114 Merge remote-tracking branch 'upstream/main' into main 2023-02-07 23:28:50 -08:00
David Harris
5bf709d7c3 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-07 16:49:58 -08:00
Ross Thompson
7263fab4b1 Branch predictor cleanup. 2023-02-07 14:01:59 -06:00
David Harris
195e7c1a9c Moved STATUS_FS_INT write to if statement to properly prioritize 2023-02-07 06:55:42 -08:00
David Harris
0712fa8f67 Disabled STATUS_FS at reset, fixing issue #71 2023-02-07 06:31:14 -08:00
Kip Macsai-Goren
7198592afc fixed merge conflicts with removal of pipelined folder 2023-02-06 18:04:28 -08:00
Ross Thompson
54a128491e Fixed Bug 66. 
If a load missed at the same time as a spilled instruction fetch with an ITLB miss in the second cache line, the HPTW did not wait for the load miss to finish.
 2023-02-06 17:32:28 -06:00
Ross Thompson
a33c579e4b Removed unreachable if branch in hptw next state logic. 2023-02-06 16:42:07 -06:00
David Harris
103781923e Parenthesized reduction operators to avoid DC lint 2023-02-04 18:49:47 -08:00
David Harris
1bb5599806 Developing debug test 2023-02-04 08:31:47 -08:00
David Harris
b13087e706 Fixed merge issues on synthDC PR 2023-02-04 04:13:40 -08:00
David Harris
e0915acad9 Improved illegal NaN-box detection and formatted fsgninj 2023-02-04 03:42:20 -08:00
David Harris
d7ae05ae8e Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-03 08:36:11 -08:00
David Harris
aae035226f Merged with memories 2023-02-02 14:50:46 -08:00
David Harris
99d179dd3e Removed pipelined level of hierarchy 2023-02-02 14:14:11 -08:00