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4d53b9002f
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Author SHA1 Message Date
Ross Thompson
4d53b9002f 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
ed64d37e65 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-18 17:36:29 -04:00
David Harris
4f8f52f283 Added FLEN, NE, NF to config and started using these in FMA1 2021-07-18 17:28:25 -04:00
Katherine Parry
60dabb9094 fdivsqrt inegrated, but not completley working 2021-07-18 14:03:37 -04:00
David Harris
8317be5aed Renamed pagetablewalker to hptw 2021-07-18 04:11:33 -04:00
David Harris
c75d70126f LSUArb: Removed Demuxes on ReadDataW, DataMiisalignedM, HPTWStall 2021-07-18 03:51:30 -04:00
David Harris
3f7a3b280e HPTW: Simpliifieid PRegEn 2021-07-18 03:35:38 -04:00
David Harris
60bd27a40e Removed EndWalk signal and simplified TLBMissReg 2021-07-18 03:26:43 -04:00
Ross Thompson
14220684b6 Fixed bug with rv32a/WALLY-LRSC test in imperas. Minor issue. 2021-07-17 21:02:24 -05:00
Ross Thompson
009c5314b4 Fixed LRSC in 64bit version. 32bit version is broken. 2021-07-17 20:58:49 -05:00
David Harris
8bdf1eaf0f added lrsc.sv 2021-07-17 21:15:08 -04:00
David Harris
8d348dacce Started atomics 2021-07-17 21:11:41 -04:00
David Harris
574f7d9c32 moved subwordread to lsu 2021-07-17 20:37:20 -04:00
David Harris
e82374d19f Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-17 20:01:23 -04:00
David Harris
9a86fc899b LSU cleanup 2021-07-17 20:01:03 -04:00
David Harris
d9750c16a5 Pushing HPTWPAdrM flop into LSUArb 2021-07-17 19:39:18 -04:00
David Harris
586341a41a Simplified VPN case statement 2021-07-17 19:34:01 -04:00
Ross Thompson
9cfbc4aec0 Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main 2021-07-17 18:27:44 -05:00
David Harris
35b7577be2 Finished HPTW TranslationPAdr simlification 2021-07-17 19:27:24 -04:00
Ross Thompson
1aac97030a 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
2b1fdfbae2 Further TranslationVAdr simplification 2021-07-17 19:24:37 -04:00
David Harris
b785a20f90 Continued Translation Address Cleanup of TranslationPAdrMux 2021-07-17 19:16:56 -04:00
David Harris
fc88b3a693 Continued Translation Address Cleanup 2021-07-17 19:09:13 -04:00
David Harris
6536ef8dce Refining address interface between HPTW and LSU 2021-07-17 19:02:18 -04:00
David Harris
7b92e7e590 Fixed bad register in I-FSD-01 Imperas test. 2021-07-17 17:08:07 -04:00
David Harris
a67292b5f3 trap.sv comment cleanup 2021-07-17 16:01:07 -04:00
David Harris
c1c3249709 trap.sv cleanup 2021-07-17 15:57:10 -04:00
David Harris
af5e1f7f39 Finished removing PageTableEntry redundant signals from hptw 2021-07-17 15:50:52 -04:00
David Harris
e182cac9bc hptw: Removed NonBusTrapM from LSU 2021-07-17 15:24:26 -04:00
David Harris
2f81e4c70d hptw: Removed NonBusTrapM from LSU 2021-07-17 15:22:24 -04:00
David Harris
428a9c1ca3 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-17 15:11:43 -04:00
David Harris
863e6e72d6 hptw: Propagating PageTableEntryF removal through IFU 2021-07-17 15:04:39 -04:00
David Harris
a855e0170e hptw: Propagating PageTableEntryF removal through LSU 2021-07-17 15:01:01 -04:00
bbracker
8d65d50085 separated buildroot debugging from buildroot logging 2021-07-17 14:52:34 -04:00
David Harris
d4eeabe355 hptw: Unified PageTableEntryM and PageTableEntryF outputs of pagetablewalker into PTE 2021-07-17 14:48:44 -04:00
bbracker
82fc766819 swapped out linux testbench signal names 2021-07-17 14:48:12 -04:00
bbracker
18fb282a37 Merge branch 'main' of https://github.com/davidharrishmc/riscv-wally into main 2021-07-17 14:46:38 -04:00
bbracker
4a3503281f swapped out linux testbench signal names 2021-07-17 14:46:18 -04:00
David Harris
86e04c080d hptw: Added ValidLeaf and ValidNonLeaf for readability, renamed _WDV to _READ states 2021-07-17 14:36:27 -04:00
David Harris
714eef4a1a hptw: Eliminated A and D bit faults while walking page table, per spec 2021-07-17 14:29:20 -04:00
David Harris
90c5312f85 hptw: Simplified TranslationVAdr calculation based just on DTLBWalk 2021-07-17 14:16:33 -04:00
David Harris
42aee1db30 hptw: renamed DTLBMissQ to DTLBWalk 2021-07-17 14:13:00 -04:00
David Harris
6f22e9a393 hptw: renamed ADRE to ADR 2021-07-17 14:02:59 -04:00
David Harris
3ce22a60b3 hptw: replaced PreviousWalkerState with a PageType FSM 2021-07-17 13:54:58 -04:00
David Harris
89fd653cc1 hptw: removed ITLBMissFQ 2021-07-17 13:44:08 -04:00
David Harris
87aa527de7 hptw: minor cleanup 2021-07-17 13:40:12 -04:00
David Harris
ea2aa469a1 hptw: Simplifed out AnyTLBMiss 2021-07-17 12:07:51 -04:00
David Harris
784e6cf538 hptw: Renamed Memstore to MemWrite 2021-07-17 12:01:43 -04:00
David Harris
0a6622a6fb hptw: Merged RV32/64 FSMs 2021-07-17 11:55:24 -04:00
David Harris
cf0975c937 hptw: FSM simplification 2021-07-17 11:41:43 -04:00