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Access faults are geted by ~TLBMiss rather than ~(Translate & ~TLBHit)

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David Harris 2023-02-26 09:58:34 -08:00
parent 35653a18b7
commit 54b8e7c629
1 changed files with 3 additions and 3 deletions
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6
src/mmu/mmu.sv
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@ -120,9 +120,9 @@ module mmu #(parameter TLB_ENTRIES = 8, IMMU = 0) (
// Access faults // Access faults
// If TLB miss and translating we want to not have faults from the PMA and PMP checkers. // If TLB miss and translating we want to not have faults from the PMA and PMP checkers.
assign InstrAccessFaultF = (PMAInstrAccessFaultF | PMPInstrAccessFaultF) & ~(Translate & ~TLBHit); assign InstrAccessFaultF = (PMAInstrAccessFaultF | PMPInstrAccessFaultF) & ~TLBMiss;
assign LoadAccessFaultM = (PMALoadAccessFaultM | PMPLoadAccessFaultM) & ~(Translate & ~TLBHit); assign LoadAccessFaultM = (PMALoadAccessFaultM | PMPLoadAccessFaultM) & ~TLBMiss;
assign StoreAmoAccessFaultM = (PMAStoreAmoAccessFaultM | PMPStoreAmoAccessFaultM) & ~(Translate & ~TLBHit); assign StoreAmoAccessFaultM = (PMAStoreAmoAccessFaultM | PMPStoreAmoAccessFaultM) & ~TLBMiss;
// Misaligned faults // Misaligned faults
always_comb always_comb