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7,695 Commits 5 Branches 2 Tags 53 MiB
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257 Commits

Author SHA1 Message Date
Kevin Kim
9af0ffe3a9 added zero extend, pre-shift mux to ALU 2023-02-17 20:15:12 -08:00
Kevin Kim
cad0973b6b more elegant ZBA logic in controller 2023-02-17 20:14:47 -08:00
Kevin Kim
88d7c3b1f2 bmuctrl handles .uw instructions 2023-02-17 20:14:13 -08:00
Kevin Kim
01f3cc2838 controller supports ZBA instructions 2023-02-17 16:44:16 -08:00
Kevin Kim
b09d942d60 removed Funct7 in Execute Stage 2023-02-17 16:12:09 -08:00
Kevin Kim
a1570a88c9 bmuctrl checks for illegal zbs-style instructions 2023-02-17 12:54:08 -08:00
Kevin Kim
370ff54875 bctrl bug fix 
- bctrl decodes shift immediate instructions properly
 2023-02-17 11:16:29 -08:00
Kevin Kim
aba4eb80d4 alu bug fix 
- condmaskb piped in correctly instead of b
 2023-02-17 11:02:07 -08:00
Kevin Kim
07eaf146c2 alu looks at BSelect, added BSelect one hot signal 2023-02-17 09:51:49 -08:00
Kevin Kim
323d14f9d9 added alu changes to previous commit 2023-02-17 08:22:13 -08:00
Kevin Kim
44c9612a5c added BSelect Signal 
- BSelect [3:0] is a one hot encoding of if it's a ZBA_ZBB_ZBC_ZBS instruction
 2023-02-17 08:21:55 -08:00
Kevin Kim
ada6023a41 comments 2023-02-17 07:53:14 -08:00
Kevin Kim
ab542a5bc3 comments 2023-02-17 07:52:54 -08:00
Kevin Kim
290fcd1789 comment formatting 2023-02-17 07:51:28 -08:00
Kevin Kim
5b341ac3a7 alu handles ALU select instead of funct3 2023-02-17 07:51:10 -08:00
Kevin Kim
ff365de54a added BMU controll 2023-02-17 07:50:59 -08:00
Kevin Kim
f0c81247e4 Added ALUSelect signal into datapath, ieu, controller 2023-02-17 07:50:45 -08:00
David Harris
0d2baed943 Reverted lab3 changes in dev branch 2023-02-16 18:10:05 -08:00
David Harris
33eb5423cb Update datapath.sv 2023-02-16 17:53:31 -08:00
David Harris
113b124721 Update controller.sv 2023-02-16 17:52:44 -08:00
David Harris
43afa34338 Update alu.sv 2023-02-16 17:52:25 -08:00
Kevin Kim
921a32faf9 added comments to zbc units 2023-02-15 17:42:32 -08:00
Kevin Kim
50f0262498 zbc configurability and select mux 2023-02-15 17:39:37 -08:00
Kevin Kim
cd13913f07 controller forwards funct7 
- started the bmu controll register
 2023-02-15 17:38:12 -08:00
Kevin Kim
8feeaa5e94 zbc and carry-less multiply work properly 2023-02-15 17:37:09 -08:00
Kevin Kim
2eb8721843 continued ZBC integration into ALU 2023-02-15 09:35:07 -08:00
Kevin Kim
2a58a86371 added ALUResult Signal 2023-02-15 09:13:10 -08:00
Kevin Kim
27817c5b1d controller passes funct7 from decode to execute 2023-02-14 16:06:10 -08:00
Kevin Kim
857097282c git 2023-02-14 16:03:26 -08:00
Kevin Kim
420a0209dd Merge branch 'tmp' into main 2023-02-14 13:12:57 -08:00
Kevin Kim
7b7957594e removed unncessary stuff 2023-02-14 13:07:03 -08:00
Kevin Kim
1a209aac21 reverted back to I tests working 2023-02-14 13:06:31 -08:00
Kevin Kim
bcea347370 added ALU result select mux for B instructions 2023-02-13 17:38:00 -08:00
Kevin Kim
1364ac2a14 controller handles bclr 2023-02-13 16:57:05 -08:00
Kevin Kim
2679f06a00 Shadd instructions pass tests 2023-02-13 16:36:17 -08:00
Kevin Kim
02a7dc45f0 ALU lint fixes 2023-02-13 14:01:51 -08:00
Kevin Kim
ed6a0466ad 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
c9e6b9aeef edited controller so that add.uw passes tests 2023-02-13 13:49:46 -08:00
Kevin Kim
cf09bbff5f alu add.uw needs w64 to be false 2023-02-13 13:49:35 -08:00
Kevin Kim
19c8fa75f5 simulation runs-- clmul doesn't pass lint with xor tree 2023-02-11 21:22:33 -08:00
Kevin Kim
67db085b24 lint fixes 2023-02-11 21:13:10 -08:00
Kevin Kim
c7dbb49208 zbb, zbs, cnt lint fixes 2023-02-11 20:41:52 -08:00
Kevin Kim
016634d842 fixed byte unit lints 2023-02-11 20:25:34 -08:00
Kevin Kim
3653ea61b5 fixed lints in cnt 2023-02-11 20:22:42 -08:00
Kevin Kim
52ca8fa691 popcnt passes lint 2023-02-11 19:19:38 -08:00
Kevin Kim
2fefc3019e clmul passes lint 2023-02-11 19:16:13 -08:00
Ross Thompson
6fbca64eb7 Experimental branch prediction optimization. 2023-02-10 15:45:56 -06:00
Kip Macsai-Goren
f95038551f fixed small errors to get regression to run with bit manip supported. 2023-02-10 10:37:06 -08:00
Kip Macsai-Goren
137dd890a0 Merge remote-tracking branch 'upstream/main' into main 2023-02-10 10:01:14 -08:00
Ross Thompson
ca0eb5a591 Modified branch predictor to use InstrValidE and InstrValidD rather than the more complex InstrClassE | WrongClassE logic. 2023-02-10 10:33:10 -06:00
Kevin Kim
f58a2b70a0 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
76a8f2d3d3 added W64 zbb input signal in alu 2023-02-09 19:07:22 +00:00
Kevin Kim
17bd001057 modified zbb to account for cnt module change 2023-02-09 16:45:37 +00:00
Kevin Kim
5b5f9a2784 modified cnt for zbb to mux inputs 2023-02-09 16:45:22 +00:00
Kevin Kim
4bf0886129 moved files into bmu folder 2023-02-08 13:57:09 +00:00
Kip Macsai-Goren
41a91cc1e7 fixed merge conflicts with removal of pipelined folder 2023-02-06 18:04:28 -08:00
David Harris
78eb90715c Removed pipelined level of hierarchy 2023-02-02 14:14:11 -08:00