riscv/rocket-chip
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Don't redundantly set resp_ae in PTW

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This commit is contained in:
Andrew Waterman 2017-03-29 09:48:32 -07:00
parent 80fb002962
commit 25232070ec
1 changed files with 1 additions and 1 deletions
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2
src/main/scala/rocket/PTW.scala
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@ -79,6 +79,7 @@ class PTW(n: Int)(implicit edge: TLEdgeOut, p: Parameters) extends CoreModule()(
val s1_kill = Reg(next = Bool(false))
val resp_valid = Reg(next = Vec.fill(io.requestor.size)(Bool(false)))
val ae = Reg(next = io.mem.xcpt.ae.ld)
val resp_ae = Reg(Bool())
val r_req = Reg(new PTWReq)
val r_req_dest = Reg(Bits())
@ -99,7 +100,6 @@ class PTW(n: Int)(implicit edge: TLEdgeOut, p: Parameters) extends CoreModule()(
}
val traverse = pte.table() && !invalid_paddr && count < pgLevels-1
val pte_addr = Cat(r_pte.ppn, vpn_idx) << log2Ceil(xLen/8)
val resp_ae = Reg(next = ae || invalid_paddr)
when (arb.io.out.fire()) {
r_req := arb.io.out.bits