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Author SHA1 Message Date
Ross Thompson
6ccbdc372d Broken. 
Possible change to walker, dcache, tlb addressing.
Improves the naming of address signals.
But has a problem when the walker finishes the dcache does not get the correct
address on the cycle the DTLB is updated.  This leads to incorrect index
selection in the dcache.
 2021-07-19 10:33:27 -05:00
David Harris
398e9583e9 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-18 17:36:29 -04:00
David Harris
f22b6e7397 Added FLEN, NE, NF to config and started using these in FMA1 2021-07-18 17:28:25 -04:00
Katherine Parry
3527620c0b fdivsqrt inegrated, but not completley working 2021-07-18 14:03:37 -04:00
David Harris
e31d2ef9f5 Renamed pagetablewalker to hptw 2021-07-18 04:11:33 -04:00
David Harris
e962324d00 LSUArb: Removed Demuxes on ReadDataW, DataMiisalignedM, HPTWStall 2021-07-18 03:51:30 -04:00
David Harris
40c5d3ced7 HPTW: Simpliifieid PRegEn 2021-07-18 03:35:38 -04:00
David Harris
a5a7be3e03 Removed EndWalk signal and simplified TLBMissReg 2021-07-18 03:26:43 -04:00
Ross Thompson
a0017e39e2 Fixed bug with rv32a/WALLY-LRSC test in imperas. Minor issue. 2021-07-17 21:02:24 -05:00
Ross Thompson
d0ed6e250a Fixed LRSC in 64bit version. 32bit version is broken. 2021-07-17 20:58:49 -05:00
David Harris
3be88117c5 added lrsc.sv 2021-07-17 21:15:08 -04:00
David Harris
c29a2ff8df Started atomics 2021-07-17 21:11:41 -04:00
David Harris
3783b5dc00 moved subwordread to lsu 2021-07-17 20:37:20 -04:00
David Harris
84f579038c Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-17 20:01:23 -04:00
David Harris
d441d4270c LSU cleanup 2021-07-17 20:01:03 -04:00
David Harris
f21582906f Pushing HPTWPAdrM flop into LSUArb 2021-07-17 19:39:18 -04:00
David Harris
989bb7c01b Simplified VPN case statement 2021-07-17 19:34:01 -04:00
Ross Thompson
379cf6c188 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-17 18:27:44 -05:00
David Harris
25450bd7c1 Finished HPTW TranslationPAdr simlification 2021-07-17 19:27:24 -04:00
Ross Thompson
053e9593af Before returning to the ready state the dcache must set SelAdr = 0 on the cycle before. 2021-07-17 18:26:29 -05:00
David Harris
217bf37668 Further TranslationVAdr simplification 2021-07-17 19:24:37 -04:00
David Harris
d8397b5e8b Continued Translation Address Cleanup of TranslationPAdrMux 2021-07-17 19:16:56 -04:00
David Harris
6f73844427 Continued Translation Address Cleanup 2021-07-17 19:09:13 -04:00
David Harris
2e2e948023 Refining address interface between HPTW and LSU 2021-07-17 19:02:18 -04:00
David Harris
12cfe91362 Fixed bad register in I-FSD-01 Imperas test. 2021-07-17 17:08:07 -04:00
David Harris
e3bf8db80b trap.sv comment cleanup 2021-07-17 16:01:07 -04:00
David Harris
b2c2194478 trap.sv cleanup 2021-07-17 15:57:10 -04:00
David Harris
777e983c19 Finished removing PageTableEntry redundant signals from hptw 2021-07-17 15:50:52 -04:00
David Harris
348e69c096 hptw: Removed NonBusTrapM from LSU 2021-07-17 15:24:26 -04:00
David Harris
49ec45d04d hptw: Removed NonBusTrapM from LSU 2021-07-17 15:22:24 -04:00
David Harris
162afcc994 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-17 15:11:43 -04:00
David Harris
e55546da34 hptw: Propagating PageTableEntryF removal through IFU 2021-07-17 15:04:39 -04:00
David Harris
bf56000f4e hptw: Propagating PageTableEntryF removal through LSU 2021-07-17 15:01:01 -04:00
bbracker
56f246463f separated buildroot debugging from buildroot logging 2021-07-17 14:52:34 -04:00
David Harris
d6b8a5e595 hptw: Unified PageTableEntryM and PageTableEntryF outputs of pagetablewalker into PTE 2021-07-17 14:48:44 -04:00
bbracker
6feb95c779 swapped out linux testbench signal names 2021-07-17 14:48:12 -04:00
bbracker
d85da77069 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-17 14:46:38 -04:00
bbracker
ac908bc2e4 swapped out linux testbench signal names 2021-07-17 14:46:18 -04:00
David Harris
ef03ec275c hptw: Added ValidLeaf and ValidNonLeaf for readability, renamed _WDV to _READ states 2021-07-17 14:36:27 -04:00
David Harris
d19679f213 hptw: Eliminated A and D bit faults while walking page table, per spec 2021-07-17 14:29:20 -04:00
David Harris
ad44835e6e hptw: Simplified TranslationVAdr calculation based just on DTLBWalk 2021-07-17 14:16:33 -04:00
David Harris
af02437c3a hptw: renamed DTLBMissQ to DTLBWalk 2021-07-17 14:13:00 -04:00
David Harris
8e966b37f2 hptw: renamed ADRE to ADR 2021-07-17 14:02:59 -04:00
David Harris
95d49e4e9b hptw: replaced PreviousWalkerState with a PageType FSM 2021-07-17 13:54:58 -04:00
David Harris
964f0d9f53 hptw: removed ITLBMissFQ 2021-07-17 13:44:08 -04:00
David Harris
9741b01465 hptw: minor cleanup 2021-07-17 13:40:12 -04:00
David Harris
ee784c19a5 hptw: Simplifed out AnyTLBMiss 2021-07-17 12:07:51 -04:00
David Harris
40989c4e3d hptw: Renamed Memstore to MemWrite 2021-07-17 12:01:43 -04:00
David Harris
ddd9110f7b hptw: Merged RV32/64 FSMs 2021-07-17 11:55:24 -04:00
David Harris
36a8d23222 hptw: FSM simplification 2021-07-17 11:41:43 -04:00