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f22b6e7397
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183 Commits

Author SHA1 Message Date
David Harris
f22b6e7397 Added FLEN, NE, NF to config and started using these in FMA1 2021-07-18 17:28:25 -04:00
David Harris
e31d2ef9f5 Renamed pagetablewalker to hptw 2021-07-18 04:11:33 -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
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
David Harris
25450bd7c1 Finished HPTW TranslationPAdr simlification 2021-07-17 19:27:24 -04:00
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
777e983c19 Finished removing PageTableEntry redundant signals from hptw 2021-07-17 15:50:52 -04:00
David Harris
d6b8a5e595 hptw: Unified PageTableEntryM and PageTableEntryF outputs of pagetablewalker into PTE 2021-07-17 14:48:44 -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
David Harris
6d28f3fe08 hptw: default state should be unreachable 2021-07-17 11:33:16 -04:00
David Harris
ef83a44c4d hptw: factored Misaligned 2021-07-17 11:31:16 -04:00
David Harris
e3b26b7b23 hptw: factored HPTWRead 2021-07-17 11:25:59 -04:00
David Harris
1bbc932bfd hptw: factored HPTWRead 2021-07-17 11:25:52 -04:00
David Harris
37cc2ca30f hptw: factored pregen 2021-07-17 11:11:10 -04:00
David Harris
1595e4f992 HPTW: more cleanup 2021-07-17 04:55:01 -04:00
David Harris
b74f3b14ec HPTW: factored out DTLBWrite/ITLBWrite 2021-07-17 04:44:23 -04:00
David Harris
9775294a6f HPTW: factored out PageTableENtry 2021-07-17 04:40:01 -04:00
David Harris
f168bd6749 more cleaning up FSM 2021-07-17 04:35:51 -04:00
David Harris
e2600bc55d cleaning up FSM 2021-07-17 04:26:41 -04:00
David Harris
52a7dd9ac0 Simplify FSM 2021-07-17 04:12:31 -04:00
David Harris
31a3b39e5c Pulled TranslationPAdr mux out of HPTW FSM 2021-07-17 04:06:26 -04:00
David Harris
7eb03c2ff6 Simplified bad PTE detection 2021-07-17 03:30:17 -04:00
David Harris
b8ee8a8ce0 Pulled out shared PTEReg 2021-07-17 03:21:09 -04:00
David Harris
d3974fafdd Flip-flop clean-up 2021-07-17 03:15:47 -04:00
David Harris
de72dff382 Flip-flop clean-up 2021-07-17 03:12:24 -04:00
David Harris
a5ac606dda Flip-flop clean-up 2021-07-17 03:10:17 -04:00
David Harris
2b0f8e9cf6 Started pagetablewalker cleanup: combined state flops shared for both RV versions 2021-07-17 02:53:52 -04:00
David Harris
fe8910437a Replaced separate PageTypeF and PageTypeM with common PageType 2021-07-17 02:31:23 -04:00
Ross Thompson
d3715acf2d Fixed walker fault interaction with dcache. 2021-07-16 12:22:13 -05:00
Ross Thompson
5ca7dc619c Updated the ptw, lsuarb and dcache to hopefully solve the interlock issues. 2021-07-16 11:12:57 -05:00
Kip Macsai-Goren
ba5bb12e26 Still broken, midway through fixing understanding of how ptw and datacache interact in time especially wrt adrE, adrM, faults, and tlb interaction. 2021-07-15 18:30:29 -04:00
Ross Thompson
96aa106852 Found bug in the PMA such that invalid addresses were sent to the tim. Once addressing this issue the sv48 test fails early with a pma access fault. 2021-07-15 11:56:35 -05:00
Ross Thompson
4549a9f1c9 Merge branch 'main' into dcache 2021-07-15 11:55:20 -05:00