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Author SHA1 Message Date
Kevin Kim
82059fba67 changed shifter source select signal name 2023-02-28 11:41:40 -08:00
Kevin Kim
30ef1ac9e3 rename result back to ALUResult in ALU 2023-02-28 07:27:34 -08:00
Ross Thompson
3261f31e88 This icpred and btb changes are causing a performance issue. 2023-02-27 20:00:50 -06:00
Ross Thompson
69e8358639 Modified the BTB to save power by not updating when the prediction is unchanged. 2023-02-27 17:37:29 -06:00
Ross Thompson
44361f0a34 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-27 09:48:03 -06:00
Ross Thompson
1f10092f8f
Merge pull request #117 from davidharrishmc/dev 
ZMMUL support and MMU cleanup
 2023-02-27 09:46:40 -06:00
David Harris
5c8fee127b Added support for ZMMUL 2023-02-27 07:29:53 -08:00
Ross Thompson
a81cc883e9 Signal name changes. 2023-02-27 00:39:19 -06:00
David Harris
0d3d499940 hptw typo fix 2023-02-26 19:38:34 -08:00
Ross Thompson
447f6b1443 Branch predictor cleanup. 2023-02-26 21:28:36 -06:00
David Harris
907fbfec38 Simplified Access fault logic in HPTW 2023-02-26 18:50:37 -08:00
David Harris
fa5be45dcd Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-26 18:35:14 -08:00
David Harris
d3f5708ded StoreAmo faults are generated instead of load faults on AMO operations 2023-02-26 18:35:10 -08:00
Ross Thompson
3804626166 Create module for instruction class prediction and decoding. 2023-02-26 20:20:30 -06:00
Ross Thompson
86f611577f Merge branch 'main' of https://github.com/openhwgroup/cvw into main 2023-02-26 19:58:24 -06:00
David Harris
d2fd34efe6 Renamed DAPageFault to UpdateDA 2023-02-26 17:51:45 -08:00
David Harris
246deeda82 renamed UpperBitsUnequalPageFault to UpperBitsUnequal 2023-02-26 17:32:34 -08:00
David Harris
099267ffce moved tlb to subdirectory 2023-02-26 17:31:03 -08:00
David Harris
a9e884acc8 Moved TLB into subdirectory of MMU 2023-02-26 17:28:05 -08:00
Ross Thompson
52faec7922
Merge pull request #116 from davidharrishmc/dev 
Removed unneeded TLBFlush from TLBMiss logic
 2023-02-26 12:07:41 -06:00
Ross Thompson
bb276da6eb Merge branch 'main' of https://github.com/openhwgroup/cvw into main 2023-02-26 12:06:06 -06:00
David Harris
ab178d0956 Merge branch 'main' of https://github.com/openhwgroup/cvw into dev 2023-02-26 10:04:47 -08:00
David Harris
2ad62ea31f Removed unneeded TLBFlush from TLBMiss 2023-02-26 10:04:16 -08:00
Ross Thompson
f411e63dc8
Merge pull request #115 from davidharrishmc/dev 
Fixed SSTC being unusable in M-MODE without Status.TM.  Disable STIME…
 2023-02-26 12:02:54 -06:00
David Harris
2203c05724 Access faults are geted by ~TLBMiss rather than ~(Translate & ~TLBHit) 2023-02-26 09:58:34 -08:00
David Harris
4579a9d0c2 Renamed HPTW_WRITES_SUPPORTED to SVADU_SUPPORTED 2023-02-26 09:38:32 -08:00
David Harris
e3e5100f8d Renamed DAPageFault to HPTWDAPageFault in hptw to avoid name conflict with DAPageFault from tlbcontrol 2023-02-26 07:12:43 -08:00
David Harris
d50658addf Fixed missing assign when SSTC is not supported 2023-02-26 07:12:13 -08:00
David Harris
27acb90217 Fixed SSTC being unusable in M-MODE without Status.TM. Disable STIMECMP registers when SSTC_SUPPORTED = 0 2023-02-26 06:30:43 -08:00
Ross Thompson
7500bb75c6 PHT was enabled using the wrong ~flush and ~stall. 2023-02-24 22:57:32 -06:00
Ross Thompson
63b9f9ca3d gshare cleanup. 2023-02-24 22:55:51 -06:00
Ross Thompson
eb8d6f016f Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-24 19:57:18 -06:00
Ross Thompson
ed7ab402ad More signal renames. 2023-02-24 19:56:55 -06:00
Ross Thompson
e549bec060 Renamed signals to match new figures. 2023-02-24 19:51:47 -06:00
Kevin Kim
c7050ada78 removed old shifter 2023-02-24 17:33:47 -08:00
Kevin Kim
9d119d1312
Merge pull request #1 from kipmacsaigoren/kkim_alu_new 
removed sign-extension muxes in shifter
 2023-02-24 17:31:36 -08:00
Ross Thompson
6ff524d843 Renamed signals to match figure 10.18. 2023-02-24 19:22:14 -06:00
Kevin Kim
b3180d7307 removed now-redundant zero-extend mux in alu 2023-02-24 17:14:12 -08:00
Kevin Kim
0fe1d3b9f3 took sign extension out of shifter 2023-02-24 17:09:56 -08:00
David Harris
db5aa5a0fd
Merge pull request #114 from ross144/main 
Fix the branch predictor's gshare and btb critical path issue
 2023-02-24 16:55:34 -08:00
Ross Thompson
ea71fd09f5 Merge branch 'main' of https://github.com/openhwgroup/cvw 2023-02-24 18:50:35 -06:00
Ross Thompson
4058a49985 Possible fix to btb performance issue. 2023-02-24 18:36:41 -06:00
Ross Thompson
5c52827f51 Cleanup. 2023-02-24 18:20:42 -06:00
Ross Thompson
d030d323fd Completed critical path gshare fix. 2023-02-24 18:02:00 -06:00
Ross Thompson
c2021927ce Prep to fix gshare critical path. 2023-02-24 17:54:48 -06:00
Ross Thompson
4ffaa75c2a Modified btb forwarding logic to reduce critical path. 2023-02-24 17:47:43 -06:00
Kevin Kim
a856c5de96 optimized mux to shifter, passes rv32/64i 2023-02-24 12:09:34 -08:00
Kip Macsai-Goren
1ad1c4735d Merge remote-tracking branch 'upstream/main' into bit-manip 2023-02-24 09:28:24 -08:00
Kip Macsai-Goren
a139ef077d Merge branch 'main' of github.com:kipmacsaigoren/cvw into bit-manip 2023-02-24 09:27:51 -08:00
Ross Thompson
ccabc63b85
Merge pull request #113 from davidharrishmc/dev 
Change default tech to sky90 for synth
 2023-02-24 09:59:08 -06:00