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PMP checker size check to avoid spurious warnings

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This commit is contained in:
David Harris 2023-02-19 16:08:23 -08:00
parent 342791081a
commit 5b8d1e4134
1 changed files with 8 additions and 7 deletions
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15
src/mmu/pmpchecker.sv
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@ -57,13 +57,14 @@ module pmpchecker (
logic [`PMP_ENTRIES-1:0] L, X, W, R; // PMP matches and has flag set
logic [`PMP_ENTRIES-1:0] PAgePMPAdr; // for TOR PMP matching, PhysicalAddress > PMPAdr[i]
pmpadrdec pmpadrdecs[`PMP_ENTRIES-1:0](
.PhysicalAddress,
.PMPCfg(PMPCFG_ARRAY_REGW),
.PMPAdr(PMPADDR_ARRAY_REGW),
.PAgePMPAdrIn({PAgePMPAdr[`PMP_ENTRIES-2:0], 1'b1}),
.PAgePMPAdrOut(PAgePMPAdr),
.Match, .Active, .L, .X, .W, .R);
if (`PMP_ENTRIES > 0)
pmpadrdec pmpadrdecs[`PMP_ENTRIES-1:0](
.PhysicalAddress,
.PMPCfg(PMPCFG_ARRAY_REGW),
.PMPAdr(PMPADDR_ARRAY_REGW),
.PAgePMPAdrIn({PAgePMPAdr[`PMP_ENTRIES-2:0], 1'b1}),
.PAgePMPAdrOut(PAgePMPAdr),
.Match, .Active, .L, .X, .W, .R);
priorityonehot #(`PMP_ENTRIES) pmppriority(.a(Match), .y(FirstMatch)); // combine the match signal from all the adress decoders to find the first one that matches.