Finally have the ptw correctly walking through the dcache to update the itlb.

Still not working fully.
This commit is contained in:
Ross Thompson 2021-07-14 22:26:07 -05:00
parent d41c9d5ad9
commit 6163629204
6 changed files with 551 additions and 492 deletions

View File

@ -3,48 +3,49 @@ quietly WaveActivateNextPane {} 0
add wave -noupdate /testbench/clk
add wave -noupdate /testbench/reset
add wave -noupdate /testbench/memfilename
add wave -noupdate /testbench/dut/hart/SATP_REGW
add wave -noupdate -expand -group {Execution Stage} /testbench/FunctionName/FunctionName/FunctionName
add wave -noupdate -expand -group {Execution Stage} /testbench/dut/hart/ifu/PCE
add wave -noupdate -expand -group {Execution Stage} /testbench/InstrEName
add wave -noupdate -expand -group {Execution Stage} /testbench/dut/hart/ifu/InstrE
add wave -noupdate -expand -group {Memory Stage} /testbench/dut/hart/priv/trap/InstrValidM
add wave -noupdate -expand -group {Memory Stage} /testbench/dut/hart/PCM
add wave -noupdate -expand -group {Memory Stage} /testbench/InstrMName
add wave -noupdate -expand -group {Memory Stage} /testbench/dut/hart/InstrM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/InstrMisalignedFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/InstrAccessFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/IllegalInstrFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/BreakpointFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/LoadMisalignedFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/StoreMisalignedFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/LoadAccessFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/StoreAccessFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/EcallFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/InstrPageFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/LoadPageFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/StorePageFaultM
add wave -noupdate -expand -group HDU -group traps /testbench/dut/hart/priv/trap/InterruptM
add wave -noupdate -expand -group HDU -group interrupts /testbench/dut/hart/priv/trap/PendingIntsM
add wave -noupdate -expand -group HDU -group interrupts /testbench/dut/hart/priv/trap/CommittedM
add wave -noupdate -expand -group HDU -group interrupts /testbench/dut/hart/priv/trap/InstrValidM
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/BPPredWrongE
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/CSRWritePendingDEM
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/RetM
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/TrapM
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/LoadStallD
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/ICacheStallF
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/hzu/DCacheStall
add wave -noupdate -expand -group HDU -expand -group hazards /testbench/dut/hart/MulDivStallD
add wave -noupdate -expand -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/hzu/FlushF
add wave -noupdate -expand -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushD
add wave -noupdate -expand -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushE
add wave -noupdate -expand -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushM
add wave -noupdate -expand -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushW
add wave -noupdate -expand -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallF
add wave -noupdate -expand -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallD
add wave -noupdate -expand -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallE
add wave -noupdate -expand -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallM
add wave -noupdate -expand -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallW
add wave -noupdate -group {Memory Stage} /testbench/dut/hart/priv/trap/InstrValidM
add wave -noupdate -group {Memory Stage} /testbench/dut/hart/PCM
add wave -noupdate -group {Memory Stage} /testbench/InstrMName
add wave -noupdate -group {Memory Stage} /testbench/dut/hart/InstrM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/InstrMisalignedFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/InstrAccessFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/IllegalInstrFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/BreakpointFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/LoadMisalignedFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/StoreMisalignedFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/LoadAccessFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/StoreAccessFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/EcallFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/InstrPageFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/LoadPageFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/StorePageFaultM
add wave -noupdate -group HDU -expand -group traps /testbench/dut/hart/priv/trap/InterruptM
add wave -noupdate -group HDU -expand -group interrupts /testbench/dut/hart/priv/trap/PendingIntsM
add wave -noupdate -group HDU -expand -group interrupts /testbench/dut/hart/priv/trap/CommittedM
add wave -noupdate -group HDU -expand -group interrupts /testbench/dut/hart/priv/trap/InstrValidM
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/BPPredWrongE
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/CSRWritePendingDEM
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/RetM
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/TrapM
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/LoadStallD
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/ICacheStallF
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/hzu/DCacheStall
add wave -noupdate -group HDU -expand -group hazards /testbench/dut/hart/MulDivStallD
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/hzu/FlushF
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushD
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushE
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushM
add wave -noupdate -group HDU -expand -group Flush -color Yellow /testbench/dut/hart/FlushW
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallF
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallD
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallE
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallM
add wave -noupdate -group HDU -expand -group Stall -color Orange /testbench/dut/hart/StallW
add wave -noupdate -group Bpred -color Orange /testbench/dut/hart/ifu/bpred/bpred/Predictor/DirPredictor/GHR
add wave -noupdate -group Bpred -expand -group {branch update selection inputs} /testbench/dut/hart/ifu/bpred/bpred/Predictor/DirPredictor/BPPredF
add wave -noupdate -group Bpred -expand -group {branch update selection inputs} {/testbench/dut/hart/ifu/bpred/bpred/Predictor/DirPredictor/InstrClassE[0]}
@ -112,7 +113,7 @@ add wave -noupdate -group {Decode Stage} /testbench/dut/hart/ieu/c/RegWriteD
add wave -noupdate -group {Decode Stage} /testbench/dut/hart/ieu/dp/RdD
add wave -noupdate -group {Decode Stage} /testbench/dut/hart/ieu/dp/Rs1D
add wave -noupdate -group {Decode Stage} /testbench/dut/hart/ieu/dp/Rs2D
add wave -noupdate -group RegFile -expand /testbench/dut/hart/ieu/dp/regf/rf
add wave -noupdate -group RegFile /testbench/dut/hart/ieu/dp/regf/rf
add wave -noupdate -group RegFile /testbench/dut/hart/ieu/dp/regf/a1
add wave -noupdate -group RegFile /testbench/dut/hart/ieu/dp/regf/a2
add wave -noupdate -group RegFile /testbench/dut/hart/ieu/dp/regf/a3
@ -155,12 +156,12 @@ add wave -noupdate -group {alu execution stage} /testbench/dut/hart/ieu/dp/Write
add wave -noupdate -group {alu execution stage} /testbench/dut/hart/ieu/dp/ALUResultE
add wave -noupdate -group {alu execution stage} /testbench/dut/hart/ieu/dp/SrcAE
add wave -noupdate -group {alu execution stage} /testbench/dut/hart/ieu/dp/SrcBE
add wave -noupdate -expand -group PCS /testbench/dut/hart/ifu/PCNextF
add wave -noupdate -expand -group PCS /testbench/dut/hart/PCF
add wave -noupdate -expand -group PCS /testbench/dut/hart/ifu/PCD
add wave -noupdate -expand -group PCS /testbench/dut/hart/PCE
add wave -noupdate -expand -group PCS /testbench/dut/hart/PCM
add wave -noupdate -expand -group PCS /testbench/PCW
add wave -noupdate -group PCS /testbench/dut/hart/ifu/PCNextF
add wave -noupdate -group PCS /testbench/dut/hart/PCF
add wave -noupdate -group PCS /testbench/dut/hart/ifu/PCD
add wave -noupdate -group PCS /testbench/dut/hart/PCE
add wave -noupdate -group PCS /testbench/dut/hart/PCM
add wave -noupdate -group PCS /testbench/PCW
add wave -noupdate -group muldiv /testbench/dut/hart/mdu/InstrD
add wave -noupdate -group muldiv /testbench/dut/hart/mdu/SrcAE
add wave -noupdate -group muldiv /testbench/dut/hart/mdu/SrcBE
@ -239,6 +240,12 @@ add wave -noupdate -group AHB /testbench/dut/hart/ebu/HADDRD
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HSIZED
add wave -noupdate -group AHB /testbench/dut/hart/ebu/HWRITED
add wave -noupdate -group AHB /testbench/dut/hart/ebu/StallW
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/MemAdrM
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/MemAdrE
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/HPTWPAdrE
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/HPTWPAdrM
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/MemAdrMtoDCache
add wave -noupdate -expand -group lsu /testbench/dut/hart/lsu/MemAdrEtoDCache
add wave -noupdate -expand -group lsu -expand -group dcache -color Gold /testbench/dut/hart/lsu/dcache/CurrState
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/WriteDataM
add wave -noupdate -expand -group lsu -expand -group dcache /testbench/dut/hart/lsu/dcache/SRAMBlockWriteEnableM
@ -271,18 +278,23 @@ add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cach
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/FinalReadDataWordM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/ReadTag
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/WayHit
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimReadDataBLockWayMaskedM
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimReadDataBlockM
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimWay
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimDirtyWay
add wave -noupdate -expand -group lsu -expand -group dcache -group Victim /testbench/dut/hart/lsu/dcache/VictimDirty
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/Dirty
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Cache SRAM read} /testbench/dut/hart/lsu/dcache/Valid
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group Victim /testbench/dut/hart/lsu/dcache/VictimReadDataBLockWayMaskedM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group Victim /testbench/dut/hart/lsu/dcache/VictimReadDataBlockM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group Victim /testbench/dut/hart/lsu/dcache/VictimTag
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group Victim /testbench/dut/hart/lsu/dcache/VictimWay
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group Victim /testbench/dut/hart/lsu/dcache/VictimDirtyWay
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group Victim /testbench/dut/hart/lsu/dcache/VictimDirty
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/MemRWM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/MemAdrE
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/MemPAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/DTLBMissM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/pagetablewalker/MemAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/Funct3M
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/Funct7M
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/AtomicM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/CacheableM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/WriteDataM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/ReadDataW
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {CPU side} /testbench/dut/hart/lsu/dcache/DCacheStall
@ -297,6 +309,9 @@ add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memo
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/HRDATA
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/HWDATA
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/BasePAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/BasePAdrM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/BasePAdrOffsetM
add wave -noupdate -expand -group lsu -expand -group dcache -expand -group {Memory Side} /testbench/dut/hart/lsu/dcache/BasePAdrMaskedM
add wave -noupdate -expand -group lsu -group pma /testbench/dut/hart/lsu/dmmu/Cacheable
add wave -noupdate -expand -group lsu -group pma /testbench/dut/hart/lsu/dmmu/Idempotent
add wave -noupdate -expand -group lsu -group pma /testbench/dut/hart/lsu/dmmu/AtomicAllowed
@ -306,6 +321,10 @@ add wave -noupdate -expand -group lsu -group pma /testbench/dut/hart/lsu/dmmu/PM
add wave -noupdate -expand -group lsu -group pmp /testbench/dut/hart/lsu/dmmu/PMPInstrAccessFaultF
add wave -noupdate -expand -group lsu -group pmp /testbench/dut/hart/lsu/dmmu/PMPLoadAccessFaultM
add wave -noupdate -expand -group lsu -group pmp /testbench/dut/hart/lsu/dmmu/PMPStoreAccessFaultM
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/genblk1/tlb/tlbcontrol/SVMode
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/genblk1/tlb/tlbcontrol/EffectivePrivilegeMode
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/genblk1/tlb/tlbcontrol/Translate
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/genblk1/tlb/tlbcontrol/DisableTranslation
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/TLBMiss
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/TLBHit
add wave -noupdate -expand -group lsu -expand -group dtlb /testbench/dut/hart/lsu/dmmu/VirtualAddress
@ -351,26 +370,28 @@ add wave -noupdate -group CLINT /testbench/dut/uncore/genblk1/clint/MTIME
add wave -noupdate -group CLINT /testbench/dut/uncore/genblk1/clint/MTIMECMP
add wave -noupdate -group CLINT /testbench/dut/uncore/genblk1/clint/TimerIntM
add wave -noupdate -group CLINT /testbench/dut/uncore/genblk1/clint/SwIntM
add wave -noupdate -group ptwalker -color Gold /testbench/dut/hart/lsu/pagetablewalker/genblk1/WalkerState
add wave -noupdate -group ptwalker -color Salmon /testbench/dut/hart/lsu/pagetablewalker/HPTWStall
add wave -noupdate -group ptwalker /testbench/dut/hart/lsu/pagetablewalker/HPTWRead
add wave -noupdate -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/ITLBWriteF
add wave -noupdate -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/DTLBWriteM
add wave -noupdate -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/ITLBMissF
add wave -noupdate -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/DTLBMissM
add wave -noupdate -group ptwalker -expand -group pte /testbench/dut/hart/lsu/pagetablewalker/genblk1/CurrentPTE
add wave -noupdate -group ptwalker -divider data
add wave -noupdate -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/ITLBWriteF
add wave -noupdate -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/DTLBWriteM
add wave -noupdate -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/WalkerInstrPageFaultF
add wave -noupdate -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/WalkerLoadPageFaultM
add wave -noupdate -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/WalkerStorePageFaultM
add wave -noupdate -group {LSU ARB} -group lsu -color Gold /testbench/dut/hart/lsu/arbiter/CurrState
add wave -noupdate -group {LSU ARB} -group lsu -color {Medium Orchid} /testbench/dut/hart/lsu/arbiter/SelPTW
add wave -noupdate -group {LSU ARB} -group hptw /testbench/dut/hart/lsu/arbiter/HPTWTranslate
add wave -noupdate -group {LSU ARB} -group hptw /testbench/dut/hart/lsu/arbiter/HPTWRead
add wave -noupdate -group {LSU ARB} -group hptw /testbench/dut/hart/lsu/arbiter/HPTWPAdr
add wave -noupdate -group {LSU ARB} -group hptw /testbench/dut/hart/lsu/arbiter/HPTWReadPTE
add wave -noupdate -expand -group ptwalker -color Gold /testbench/dut/hart/lsu/pagetablewalker/genblk1/WalkerState
add wave -noupdate -expand -group ptwalker /testbench/dut/hart/lsu/pagetablewalker/HPTWReadM
add wave -noupdate -expand -group ptwalker -color Salmon /testbench/dut/hart/lsu/pagetablewalker/HPTWStall
add wave -noupdate -expand -group ptwalker /testbench/dut/hart/lsu/pagetablewalker/HPTWReadPTE
add wave -noupdate -expand -group ptwalker /testbench/dut/hart/lsu/pagetablewalker/genblk1/CurrentPTE
add wave -noupdate -expand -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/ITLBWriteF
add wave -noupdate -expand -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/DTLBWriteM
add wave -noupdate -expand -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/ITLBMissF
add wave -noupdate -expand -group ptwalker -expand -group miss/write /testbench/dut/hart/lsu/pagetablewalker/DTLBMissM
add wave -noupdate -expand -group ptwalker -expand -group pte /testbench/dut/hart/lsu/pagetablewalker/genblk1/CurrentPTE
add wave -noupdate -expand -group ptwalker -divider data
add wave -noupdate -expand -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/ITLBWriteF
add wave -noupdate -expand -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/DTLBWriteM
add wave -noupdate -expand -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/WalkerInstrPageFaultF
add wave -noupdate -expand -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/WalkerLoadPageFaultM
add wave -noupdate -expand -group ptwalker -group {fsm outputs} /testbench/dut/hart/lsu/pagetablewalker/WalkerStorePageFaultM
add wave -noupdate -expand -group {LSU ARB} /testbench/dut/hart/lsu/arbiter/MemAdrM
add wave -noupdate -expand -group {LSU ARB} /testbench/dut/hart/lsu/MemPAdrM
add wave -noupdate -expand -group {LSU ARB} -expand -group lsu -color Gold /testbench/dut/hart/lsu/arbiter/CurrState
add wave -noupdate -expand -group {LSU ARB} -expand -group lsu -color {Medium Orchid} /testbench/dut/hart/lsu/arbiter/SelPTW
add wave -noupdate -expand -group {LSU ARB} -group hptw /testbench/dut/hart/lsu/arbiter/HPTWTranslate
add wave -noupdate -expand -group {LSU ARB} -group hptw /testbench/dut/hart/lsu/arbiter/HPTWReadPTE
add wave -noupdate -group csr /testbench/dut/hart/priv/csr/MIP_REGW
add wave -noupdate -group uart /testbench/dut/uncore/genblk4/uart/HCLK
add wave -noupdate -group uart /testbench/dut/uncore/genblk4/uart/HRESETn
@ -395,13 +416,15 @@ add wave -noupdate -group uart -expand -group outputs /testbench/dut/uncore/genb
add wave -noupdate -group uart -expand -group outputs /testbench/dut/uncore/genblk4/uart/TXRDYb
add wave -noupdate -group uart -expand -group outputs /testbench/dut/uncore/genblk4/uart/RXRDYb
add wave -noupdate -group itlb /testbench/dut/hart/ifu/ITLBMissF
add wave -noupdate -expand -group UART /testbench/dut/uncore/genblk4/uart/HCLK
add wave -noupdate -expand -group UART /testbench/dut/uncore/genblk4/uart/HSELUART
add wave -noupdate -expand -group UART /testbench/dut/uncore/genblk4/uart/HADDR
add wave -noupdate -expand -group UART /testbench/dut/uncore/genblk4/uart/HWRITE
add wave -noupdate -expand -group UART /testbench/dut/uncore/genblk4/uart/HWDATA
add wave -noupdate -group UART /testbench/dut/uncore/genblk4/uart/HCLK
add wave -noupdate -group UART /testbench/dut/uncore/genblk4/uart/HSELUART
add wave -noupdate -group UART /testbench/dut/uncore/genblk4/uart/HADDR
add wave -noupdate -group UART /testbench/dut/uncore/genblk4/uart/HWRITE
add wave -noupdate -group UART /testbench/dut/uncore/genblk4/uart/HWDATA
add wave -noupdate /testbench/dut/hart/lsu/dcache/OFFSETLEN
add wave -noupdate /testbench/dut/hart/lsu/dcache/INDEXLEN
TreeUpdate [SetDefaultTree]
WaveRestoreCursors {{Cursor 12} {4076 ns} 0} {{Cursor 4} {8790617 ns} 0}
WaveRestoreCursors {{Cursor 3} {21755 ns} 0} {{Cursor 4} {15501 ns} 0}
quietly wave cursor active 1
configure wave -namecolwidth 250
configure wave -valuecolwidth 297
@ -417,4 +440,4 @@ configure wave -griddelta 40
configure wave -timeline 0
configure wave -timelineunits ns
update
WaveRestoreZoom {4026 ns} {4254 ns}
WaveRestoreZoom {21597 ns} {21891 ns}

View File

@ -43,6 +43,7 @@ module dcache
input logic [`XLEN-1:0] WriteDataM,
output logic [`XLEN-1:0] ReadDataW,
output logic [`XLEN-1:0] ReadDataM,
output logic DCacheStall,
output logic CommittedM,
@ -131,6 +132,7 @@ module dcache
logic CntEn;
logic CntReset;
logic CPUBusy, PreviousCPUBusy;
logic SelEvict;
typedef enum {STATE_READY,
@ -297,16 +299,22 @@ module dcache
// which means the CPU is ready to take data. Or if the CPU just became
// busy. Then when we exit CPU_BUSY we want to ensure the data is not
// updated, this is ~PreviousCPUBusy.
// also must update if cpu stalled and processing a read miss
// which occurs if in state miss read word delay.
assign CPUBusy = CurrState == STATE_CPU_BUSY;
flop #(1) CPUBusyReg(.clk, .d(CPUBusy), .q(PreviousCPUBusy));
assign ReadDataWEn = (~StallW & ~PreviousCPUBusy) | (NextState == STATE_CPU_BUSY & CurrState == STATE_READY);
assign ReadDataWEn = (~StallW & ~PreviousCPUBusy) |
(NextState == STATE_CPU_BUSY & CurrState == STATE_READY) |
(CurrState == STATE_MISS_READ_WORD_DELAY);
flopen #(`XLEN) ReadDataWReg(.clk(clk),
.en(ReadDataWEn),
.d(FinalReadDataWordM),
.q(ReadDataW));
assign ReadDataM = FinalReadDataWordM;
// write path
subwordwrite subwordwrite(.HRDATA(ReadDataWordM),
.HADDRD(MemPAdrM[2:0]),
@ -340,7 +348,7 @@ module dcache
// *** optimize this
mux2 #(`PA_BITS) BaseAdrMux(.d0(MemPAdrM),
.d1({VictimTag, MemPAdrM[INDEXLEN+OFFSETLEN-1:OFFSETLEN], {{OFFSETLEN}{1'b0}}}),
.s(AHBWrite & CacheableM),
.s(SelEvict),
.y(BasePAdrM));
assign BasePAdrOffsetM = CacheableM ? {{OFFSETLEN}{1'b0}} : BasePAdrM[OFFSETLEN-1:0];
@ -420,6 +428,7 @@ module dcache
SelAMOWrite = 1'b0;
CommittedM = 1'b0;
SelUncached = 1'b0;
SelEvict = 1'b0;
case (CurrState)
STATE_READY: begin
@ -562,6 +571,7 @@ module dcache
AHBWrite = 1'b1;
SelAdrM = 1'b1;
CommittedM = 1'b1;
SelEvict = 1'b1;
if( FetchCountFlag & AHBAck) begin
NextState = STATE_MISS_WRITE_CACHE_BLOCK;
end else begin

View File

@ -129,9 +129,10 @@ module lsu
logic [`XLEN-1:0] HPTWReadPTE;
logic MMUReady;
logic HPTWStall;
logic [`XLEN-1:0] HPTWPAdr;
logic [`XLEN-1:0] HPTWPAdrE;
logic [`XLEN-1:0] HPTWPAdrM;
logic HPTWTranslate;
logic HPTWRead;
logic HPTWReadM;
logic [1:0] MemRWMtoDCache;
logic [2:0] Funct3MtoDCache;
logic [1:0] AtomicMtoDCache;
@ -146,6 +147,8 @@ module lsu
logic DCacheStall;
logic CacheableM;
logic CacheableMtoDCache;
logic SelPTW;
logic CommittedMfromDCache;
logic PendingInterruptMtoDCache;
@ -169,9 +172,10 @@ module lsu
.HPTWReadPTE(HPTWReadPTE),
.MMUReady(HPTWReady),
.HPTWStall(HPTWStall),
.HPTWPAdr(HPTWPAdr),
.HPTWPAdrE(HPTWPAdrE),
.HPTWPAdrM(HPTWPAdrM),
.HPTWTranslate(HPTWTranslate),
.HPTWRead(HPTWRead),
.HPTWReadM(HPTWReadM),
.WalkerInstrPageFaultF(WalkerInstrPageFaultF),
.WalkerLoadPageFaultM(WalkerLoadPageFaultM),
.WalkerStorePageFaultM(WalkerStorePageFaultM));
@ -183,15 +187,17 @@ module lsu
.reset(reset),
// HPTW connection
.HPTWTranslate(HPTWTranslate),
.HPTWRead(HPTWRead),
.HPTWPAdr(HPTWPAdr),
.HPTWReadPTE(HPTWReadPTE),
.HPTWReadM(HPTWReadM),
.HPTWPAdrE(HPTWPAdrE),
.HPTWPAdrM(HPTWPAdrM),
//.HPTWReadPTE(HPTWReadPTE),
.HPTWStall(HPTWStall),
// CPU connection
.MemRWM(MemRWM),
.Funct3M(Funct3M),
.AtomicM(AtomicM),
.MemAdrM(MemAdrM),
.MemAdrE(MemAdrE),
.CommittedM(CommittedM),
.PendingInterruptM(PendingInterruptM),
.StallW(StallW),
@ -205,13 +211,15 @@ module lsu
.Funct3MtoDCache(Funct3MtoDCache),
.AtomicMtoDCache(AtomicMtoDCache),
.MemAdrMtoDCache(MemAdrMtoDCache),
.MemAdrEtoDCache(MemAdrEtoDCache),
.StallWtoDCache(StallWtoDCache),
.SquashSCWfromDCache(SquashSCWfromDCache),
.DataMisalignedMfromDCache(DataMisalignedMfromDCache),
.ReadDataWfromDCache(ReadDataWfromDCache),
.CommittedMfromDCache(CommittedMfromDCache),
.PendingInterruptMtoDCache(PendingInterruptMtoDCache),
.DCacheStall(DCacheStall));
.DCacheStall(DCacheStall),
.SelPTW(SelPTW));
mmu #(.TLB_ENTRIES(`DTLB_ENTRIES), .IMMU(0))
@ -239,10 +247,10 @@ module lsu
// .SelRegions(DHSELRegionsM),
.*); // *** the pma/pmp instruction acess faults don't really matter here. is it possible to parameterize which outputs exist?
assign CacheableMtoDCache = SelPTW ? 1'b1 : CacheableM;
generate
if (`XLEN == 32) assign DCtoAHBSizeM = CacheableM ? 3'b010 : Funct3MtoDCache;
else assign DCtoAHBSizeM = CacheableM ? 3'b011 : Funct3MtoDCache;
if (`XLEN == 32) assign DCtoAHBSizeM = CacheableMtoDCache ? 3'b010 : Funct3MtoDCache;
else assign DCtoAHBSizeM = CacheableMtoDCache ? 3'b011 : Funct3MtoDCache;
endgenerate;
@ -309,30 +317,27 @@ module lsu
assign LoadMisalignedFaultM = DataMisalignedMfromDCache & MemRWMtoDCache[1];
assign StoreMisalignedFaultM = DataMisalignedMfromDCache & MemRWMtoDCache[0];
// *** BUG
assign MemAdrEtoDCache = MemAdrE; // needs to be muxed in lsuarb.
dcache dcache(.clk(clk),
.reset(reset),
.StallM(StallM),
.StallW(StallW),
.StallW(StallWtoDCache),
.FlushM(FlushM),
.FlushW(FlushW),
.FlushW(FlushWtoDCache),
.MemRWM(MemRWMtoDCache),
.Funct3M(Funct3MtoDCache),
.Funct7M(Funct7M),
.AtomicM(AtomicMtoDCache),
.MemAdrE(MemAdrEtoDCache), // *** add to arb
.MemAdrE(MemAdrEtoDCache),
.MemPAdrM(MemPAdrM),
.WriteDataM(WriteDataM),
.ReadDataW(ReadDataWfromDCache),
.ReadDataM(HPTWReadPTE),
.DCacheStall(DCacheStall),
.CommittedM(CommittedMfromDCache),
.ExceptionM(ExceptionM),
.PendingInterruptM(PendingInterruptMtoDCache),
.DTLBMissM(DTLBMissM),
.CacheableM(CacheableM),
.CacheableM(CacheableMtoDCache),
.DTLBWriteM(DTLBWriteM),
// AHB connection

View File

@ -31,10 +31,11 @@ module lsuArb
// from page table walker
input logic HPTWTranslate,
input logic HPTWRead,
input logic [`XLEN-1:0] HPTWPAdr,
input logic HPTWReadM,
input logic [`XLEN-1:0] HPTWPAdrE,
input logic [`XLEN-1:0] HPTWPAdrM,
// to page table walker.
output logic [`XLEN-1:0] HPTWReadPTE,
//output logic [`XLEN-1:0] HPTWReadPTE,
output logic HPTWStall,
// from CPU
@ -42,6 +43,7 @@ module lsuArb
input logic [2:0] Funct3M,
input logic [1:0] AtomicM,
input logic [`XLEN-1:0] MemAdrM,
input logic [`XLEN-1:0] MemAdrE,
input logic StallW,
input logic PendingInterruptM,
// to CPU
@ -57,8 +59,11 @@ module lsuArb
output logic [2:0] Funct3MtoDCache,
output logic [1:0] AtomicMtoDCache,
output logic [`XLEN-1:0] MemAdrMtoDCache,
output logic [`XLEN-1:0] MemAdrEtoDCache,
output logic StallWtoDCache,
output logic PendingInterruptMtoDCache,
output logic SelPTW,
// from D Cache
input logic CommittedMfromDCache,
@ -86,7 +91,6 @@ module lsuArb
statetype CurrState, NextState;
logic SelPTW;
logic [2:0] PTWSize;
@ -136,7 +140,7 @@ module lsuArb
// multiplex the outputs to LSU
assign DisableTranslation = SelPTW; // change names between SelPTW would be confusing in DTLB.
assign SelPTW = (CurrState == StatePTWActive && HPTWTranslate) || (CurrState == StateReady && HPTWTranslate);
assign MemRWMtoDCache = SelPTW ? {HPTWRead, 1'b0} : MemRWM;
assign MemRWMtoDCache = SelPTW ? {HPTWReadM, 1'b0} : MemRWM;
generate
assign PTWSize = (`XLEN==32 ? 3'b010 : 3'b011); // 32 or 64-bit access from htpw
@ -144,7 +148,8 @@ module lsuArb
mux2 #(3) sizemux(Funct3M, PTWSize, SelPTW, Funct3MtoDCache);
assign AtomicMtoDCache = SelPTW ? 2'b00 : AtomicM;
assign MemAdrMtoDCache = SelPTW ? HPTWPAdr : MemAdrM;
assign MemAdrMtoDCache = SelPTW ? HPTWPAdrM : MemAdrM;
assign MemAdrEtoDCache = SelPTW ? HPTWPAdrE : MemAdrE;
assign StallWtoDCache = SelPTW ? 1'b0 : StallW;
// always block interrupts when using the hardware page table walker.
assign CommittedM = SelPTW ? 1'b1 : CommittedMfromDCache;
@ -152,7 +157,7 @@ module lsuArb
// demux the inputs from LSU to walker or cpu's data port.
assign ReadDataW = SelPTW ? `XLEN'b0 : ReadDataWfromDCache; // probably can avoid this demux
assign HPTWReadPTE = SelPTW ? ReadDataWfromDCache : `XLEN'b0 ; // probably can avoid this demux
//assign HPTWReadPTE = SelPTW ? ReadDataWfromDCache : `XLEN'b0 ; // probably can avoid this demux
assign SquashSCW = SelPTW ? 1'b0 : SquashSCWfromDCache;
assign DataMisalignedM = SelPTW ? 1'b0 : DataMisalignedMfromDCache;
// *** need to rename DcacheStall and Datastall.

View File

@ -59,9 +59,10 @@ module pagetablewalker
input logic HPTWStall,
// *** modify to send to LSU
output logic [`XLEN-1:0] HPTWPAdr, // this probalby should be `PA_BITS wide
output logic [`XLEN-1:0] HPTWPAdrE, // this probalby should be `PA_BITS wide
output logic [`XLEN-1:0] HPTWPAdrM, // this probalby should be `PA_BITS wide
output logic HPTWTranslate, // *** rename to HPTWReq
output logic HPTWRead,
output logic HPTWReadM,
// Faults
@ -70,6 +71,8 @@ module pagetablewalker
output logic WalkerStorePageFaultM
);
logic HPTWReadE;
generate
if (`MEM_VIRTMEM) begin
// Internal signals
@ -116,6 +119,15 @@ module pagetablewalker
logic SelDataTranslation;
flop #(`XLEN) HPTWPAdrMReg(.clk(clk),
.d(HPTWPAdrE),
.q(HPTWPAdrM));
flop #(1) HPTWReadMReg(.clk(clk),
.d(HPTWReadE),
.q(HPTWReadM));
assign SvMode = SATP_REGW[`XLEN-1:`XLEN-`SVMODE_BITS];
assign BasePageTablePPN = SATP_REGW[`PPN_BITS-1:0];
@ -191,7 +203,7 @@ module pagetablewalker
always_comb begin
PRegEn = 1'b0;
TranslationPAdr = '0;
HPTWRead = 1'b0;
HPTWReadE = 1'b0;
PageTableEntry = '0;
PageType = '0;
DTLBWriteM = '0;
@ -213,11 +225,12 @@ module pagetablewalker
START: begin
NextWalkerState = LEVEL1_WDV;
TranslationPAdr = {BasePageTablePPN, VPN1, 2'b00};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end
LEVEL1_WDV: begin
TranslationPAdr = {BasePageTablePPN, VPN1, 2'b00};
HPTWReadE = 1'b1;
if (HPTWStall) begin
NextWalkerState = LEVEL1_WDV;
end else begin
@ -237,13 +250,13 @@ module pagetablewalker
PageType = (WalkerState == LEVEL1) ? 2'b01 : 2'b00; // *** not sure about this mux?
DTLBWriteM = DTLBMissMQ;
ITLBWriteF = ~DTLBMissMQ; // Prefer data over instructions
TranslationPAdr = {2'b00, TranslationVAdrQ[31:0]};
TranslationPAdr = {2'b00, TranslationVAdr[31:0]};
end
// else if (ValidPTE && LeafPTE) NextWalkerState = LEAF; // *** Once the above line is properly tested, delete this line.
else if (ValidPTE && ~LeafPTE) begin
NextWalkerState = LEVEL0_WDV;
TranslationPAdr = {CurrentPPN, VPN0, 2'b00};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end else begin
NextWalkerState = FAULT;
end
@ -251,6 +264,7 @@ module pagetablewalker
LEVEL0_WDV: begin
TranslationPAdr = {CurrentPPN, VPN0, 2'b00};
HPTWReadE = 1'b1;
if (HPTWStall) begin
NextWalkerState = LEVEL0_WDV;
end else begin
@ -266,7 +280,7 @@ module pagetablewalker
PageType = (WalkerState == LEVEL1) ? 2'b01 : 2'b00;
DTLBWriteM = DTLBMissMQ;
ITLBWriteF = ~DTLBMissMQ; // Prefer data over instructions
TranslationPAdr = {2'b00, TranslationVAdrQ[31:0]};
TranslationPAdr = {2'b00, TranslationVAdr[31:0]};
end else begin
NextWalkerState = FAULT;
end
@ -291,8 +305,8 @@ module pagetablewalker
assign MegapageMisaligned = |(CurrentPPN[9:0]);
assign BadMegapage = MegapageMisaligned || AccessAlert; // *** Implement better access/dirty scheme
assign VPN1 = TranslationVAdrQ[31:22];
assign VPN0 = TranslationVAdrQ[21:12];
assign VPN1 = TranslationVAdr[31:22];
assign VPN0 = TranslationVAdr[21:12];
@ -311,7 +325,7 @@ module pagetablewalker
// Assign outputs to ahblite
// *** Currently truncate address to 32 bits. This must be changed if
// we support larger physical address spaces
assign HPTWPAdr = TranslationPAdr[31:0];
assign HPTWPAdrE = TranslationPAdr[31:0];
end else begin
@ -333,7 +347,7 @@ module pagetablewalker
always_comb begin
PRegEn = 1'b0;
TranslationPAdr = '0;
HPTWRead = 1'b0;
HPTWReadE = 1'b0;
PageTableEntry = '0;
PageType = '0;
DTLBWriteM = '0;
@ -356,11 +370,11 @@ module pagetablewalker
if (HPTWTranslate && SvMode == `SV48) begin
NextWalkerState = LEVEL3_WDV;
TranslationPAdr = {BasePageTablePPN, VPN3, 3'b000};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end else if (HPTWTranslate && SvMode == `SV39) begin
NextWalkerState = LEVEL2_WDV;
TranslationPAdr = {BasePageTablePPN, VPN2, 3'b000};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end else begin // *** should not get here
NextWalkerState = IDLE;
TranslationPAdr = '0;
@ -369,6 +383,7 @@ module pagetablewalker
LEVEL3_WDV: begin
TranslationPAdr = {BasePageTablePPN, VPN3, 3'b000};
HPTWReadE = 1'b1;
if (HPTWStall) begin
NextWalkerState = LEVEL3_WDV;
end else begin
@ -390,13 +405,13 @@ module pagetablewalker
((WalkerState == LEVEL1) ? 2'b01 : 2'b00));
DTLBWriteM = DTLBMissMQ;
ITLBWriteF = ~DTLBMissMQ; // Prefer data over instructions
TranslationPAdr = TranslationVAdrQ[`PA_BITS-1:0];
TranslationPAdr = TranslationVAdr[`PA_BITS-1:0];
end
// else if (ValidPTE && LeafPTE) NextWalkerState = LEAF; // *** Once the above line is properly tested, delete this line.
else if (ValidPTE && ~LeafPTE) begin
NextWalkerState = LEVEL2_WDV;
TranslationPAdr = {(SvMode == `SV48) ? CurrentPPN : BasePageTablePPN, VPN2, 3'b000};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end else begin
NextWalkerState = FAULT;
end
@ -405,7 +420,7 @@ module pagetablewalker
LEVEL2_WDV: begin
TranslationPAdr = {(SvMode == `SV48) ? CurrentPPN : BasePageTablePPN, VPN2, 3'b000};
//HPTWRead = 1'b1;
HPTWReadE = 1'b1;
if (HPTWStall) begin
NextWalkerState = LEVEL2_WDV;
end else begin
@ -427,13 +442,13 @@ module pagetablewalker
((WalkerState == LEVEL1) ? 2'b01 : 2'b00));
DTLBWriteM = DTLBMissMQ;
ITLBWriteF = ~DTLBMissMQ; // Prefer data over instructions
TranslationPAdr = TranslationVAdrQ[`PA_BITS-1:0];
TranslationPAdr = TranslationVAdr[`PA_BITS-1:0];
end
// else if (ValidPTE && LeafPTE) NextWalkerState = LEAF; // *** Once the above line is properly tested, delete this line.
else if (ValidPTE && ~LeafPTE) begin
NextWalkerState = LEVEL1_WDV;
TranslationPAdr = {CurrentPPN, VPN1, 3'b000};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end else begin
NextWalkerState = FAULT;
end
@ -442,7 +457,7 @@ module pagetablewalker
LEVEL1_WDV: begin
TranslationPAdr = {CurrentPPN, VPN1, 3'b000};
//HPTWRead = 1'b1;
HPTWReadE = 1'b1;
if (HPTWStall) begin
NextWalkerState = LEVEL1_WDV;
end else begin
@ -464,14 +479,14 @@ module pagetablewalker
((WalkerState == LEVEL1) ? 2'b01 : 2'b00));
DTLBWriteM = DTLBMissMQ;
ITLBWriteF = ~DTLBMissMQ; // Prefer data over instructions
TranslationPAdr = TranslationVAdrQ[`PA_BITS-1:0];
TranslationPAdr = TranslationVAdr[`PA_BITS-1:0];
end
// else if (ValidPTE && LeafPTE) NextWalkerState = LEAF; // *** Once the above line is properly tested, delete this line.
else if (ValidPTE && ~LeafPTE) begin
NextWalkerState = LEVEL0_WDV;
TranslationPAdr = {CurrentPPN, VPN0, 3'b000};
HPTWRead = 1'b1;
HPTWReadE = 1'b1;
end else begin
NextWalkerState = FAULT;
end
@ -479,6 +494,7 @@ module pagetablewalker
LEVEL0_WDV: begin
TranslationPAdr = {CurrentPPN, VPN0, 3'b000};
HPTWReadE = 1'b1;
if (HPTWStall) begin
NextWalkerState = LEVEL0_WDV;
end else begin
@ -496,7 +512,7 @@ module pagetablewalker
((WalkerState == LEVEL1) ? 2'b01 : 2'b00));
DTLBWriteM = DTLBMissMQ;
ITLBWriteF = ~DTLBMissMQ; // Prefer data over instructions
TranslationPAdr = TranslationVAdrQ[`PA_BITS-1:0];
TranslationPAdr = TranslationVAdr[`PA_BITS-1:0];
end else begin
NextWalkerState = FAULT;
end
@ -534,10 +550,10 @@ module pagetablewalker
assign BadGigapage = GigapageMisaligned || AccessAlert; // *** Implement better access/dirty scheme
assign BadMegapage = MegapageMisaligned || AccessAlert; // *** Implement better access/dirty scheme
assign VPN3 = TranslationVAdrQ[47:39];
assign VPN2 = TranslationVAdrQ[38:30];
assign VPN1 = TranslationVAdrQ[29:21];
assign VPN0 = TranslationVAdrQ[20:12];
assign VPN3 = TranslationVAdr[47:39];
assign VPN2 = TranslationVAdr[38:30];
assign VPN1 = TranslationVAdr[29:21];
assign VPN0 = TranslationVAdr[20:12];
// Capture page table entry from ahblite
@ -549,13 +565,13 @@ module pagetablewalker
// Assign outputs to ahblite
// *** Currently truncate address to 32 bits. This must be changed if
// we support larger physical address spaces
assign HPTWPAdr = {{(`XLEN-`PA_BITS){1'b0}}, TranslationPAdr[`PA_BITS-1:0]};
assign HPTWPAdrE = {{(`XLEN-`PA_BITS){1'b0}}, TranslationPAdr[`PA_BITS-1:0]};
end
//endgenerate
end else begin
assign HPTWPAdr = 0;
assign HPTWPAdrE = 0;
assign HPTWTranslate = 0;
assign HPTWRead = 0;
assign HPTWReadE = 0;
assign WalkerInstrPageFaultF = 0;
assign WalkerLoadPageFaultM = 0;
assign WalkerStorePageFaultM = 0;

View File

@ -546,7 +546,7 @@ string tests32f[] = '{
//if (`A_SUPPORTED) tests = {tests, tests64a};
if (`F_SUPPORTED) tests = {tests64f, tests};
if (`D_SUPPORTED) tests = {tests64d, tests};
if (`MEM_VIRTMEM) tests = {tests64periph, tests64mmu, tests};
if (`MEM_VIRTMEM) tests = {tests64mmu, tests};
end
//tests = {tests64a, tests};
end else begin // RV32