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Check reserved bits in non-leaf PTEs #1815

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Check reserved bits in non-leaf PTEs #1815

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134fb48
Check reserved bits in non-leaf PTEs
flaviens Aug 22, 2026
f391642
Correct non-leaf PTE comment
flaviens Aug 22, 2026
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2 changes: 1 addition & 1 deletion src/mmu/hptw.sv
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,7 @@ module hptw import cvw::*; #(parameter cvw_t P) (
assign ValidPTE = Valid & ~(Writable & ~Readable);
assign ValidLeafPTE = ValidPTE & LeafPTE;
assign ValidNonLeafPTE = Valid & ~LeafPTE;
if(P.XLEN == 64) assign PBMTFaultM = ValidNonLeafPTE & (|PTE[62:61]);
if(P.XLEN == 64) assign PBMTFaultM = ValidNonLeafPTE & (|PTE[63:54]);
else assign PBMTFaultM = 1'b0;
assign DAUFaultM = ValidNonLeafPTE & (|PTE[7:6] | PTE[4]);
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