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fix(vstopi): fix the mapping of vsei index #6131

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fix(vstopi): fix the mapping of vsei index #6131

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7 changes: 4 additions & 3 deletions src/main/scala/xiangshan/backend/fu/NewCSR/InterruptFilter.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,7 @@ class InterruptFilter extends Module {

private val meiPrioIdx = InterruptNO.getPrioIdxInGroup(_.interruptDefaultPrio)(_.MEI).U
private val seiPrioIdx = InterruptNO.getPrioIdxInGroup(_.interruptDefaultPrio)(_.SEI).U
private val vseiPrioIdx = InterruptNO.getPrioIdxInGroup(_.interruptDefaultPrio)(_.VSEI).U
private val vseiPrioIdx = InterruptNO.getPrioIdxInGroup(_.interruptDefaultPrio)(_.SEI).U
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private val mipriosTmp = Wire(Vec(8, new IpriosSort))
mipriosSortTmp.zipWithIndex.foreach { case (iprios, i) =>
Expand Down Expand Up @@ -359,8 +359,9 @@ class InterruptFilter extends Module {
val C1GreaterThan255 = vstopeiReg.IPRIO.asUInt(10, 8).orR
val C4IsZero = !hvipriosRegTmp.prioNum.orR
val C2C5IsZero = !hvictlReg.IPRIO.asUInt.orR
val C4HighVSEI = iidC4Idx < findIndex(InterruptNO.VSEI.U)
val SEIHighC4 = findIndex(InterruptNO.SEI.U) < iidC4Idx
val SEIIdx = findIndex(InterruptNO.SEI.U)
val C4HighVSEI = iidC4Idx < SEIIdx
val SEIHighC4 = SEIIdx < iidC4Idx
val iprioC1GreaterThan255 = Mux(C1GreaterThan255, 255.U, iprioC1Tmp)

iprioC1 := vstopeiReg.IPRIO.asUInt
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