riscv/rocket-chip
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added finish counter

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This commit is contained in:
Henry Cook 2015-03-17 15:04:30 -07:00
parent d774afaf73
commit fc0ae81a97
1 changed files with 7 additions and 5 deletions
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12
uncore/src/main/scala/cache.scala
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@ -610,12 +610,12 @@ class L2AcquireTracker(trackerId: Int, bankId: Int) extends L2XactTracker {
full_sharers & ~UInt(UInt(1) << xact_src, width = nCoherentClients)) full_sharers & ~UInt(UInt(1) << xact_src, width = nCoherentClients))
val mask_incoherent = mask_self & ~io.incoherent.toBits val mask_incoherent = mask_self & ~io.incoherent.toBits
val irel_had_data = Reg(init = Bool(false))
val ognt_had_data = Reg(init = Bool(false))
val irel_data_done = connectIncomingDataBeatCounter(io.inner.release) val irel_data_done = connectIncomingDataBeatCounter(io.inner.release)
val ognt_data_done = connectIncomingDataBeatCounter(io.outer.grant) val ognt_data_done = connectIncomingDataBeatCounter(io.outer.grant)
val (oacq_data_cnt, oacq_data_done) = connectOutgoingDataBeatCounter(io.outer.acquire, xact.addr_beat) val (oacq_data_cnt, oacq_data_done) = connectOutgoingDataBeatCounter(io.outer.acquire, xact.addr_beat)
val (ignt_data_idx, ignt_data_done) = connectOutgoingDataBeatCounter(io.inner.grant, ignt_q.io.deq.bits.addr_beat) val (ignt_data_idx, ignt_data_done) = connectOutgoingDataBeatCounter(io.inner.grant, ignt_q.io.deq.bits.addr_beat)
val ifin_cnt = Reg(init = UInt(0, width = log2Up(nSecondaryMisses+1)))
when(ignt_data_done) { ifin_cnt := ifin_cnt + UInt(1) }
val pending_reads = Reg(init=Bits(0, width = innerDataBeats)) val pending_reads = Reg(init=Bits(0, width = innerDataBeats))
val pending_writes = Reg(init=Bits(0, width = innerDataBeats)) val pending_writes = Reg(init=Bits(0, width = innerDataBeats))
@ -789,8 +789,7 @@ class L2AcquireTracker(trackerId: Int, bankId: Int) extends L2XactTracker {
SInt(-1, width = innerDataBeats)).toUInt SInt(-1, width = innerDataBeats)).toUInt
pending_writes := UInt(0) pending_writes := UInt(0)
pending_resps := UInt(0) pending_resps := UInt(0)
irel_had_data := Bool(false) ifin_cnt := UInt(0)
ognt_had_data := Bool(false)
state := s_meta_read state := s_meta_read
} }
} }
@ -940,7 +939,10 @@ class L2AcquireTracker(trackerId: Int, bankId: Int) extends L2XactTracker {
} }
is(s_inner_finish) { is(s_inner_finish) {
io.inner.finish.ready := Bool(true) io.inner.finish.ready := Bool(true)
when(io.inner.finish.valid) { state := s_idle } when(io.inner.finish.valid) {
ifin_cnt := ifin_cnt - UInt(1)
when(ifin_cnt <= UInt(1)) { state := s_idle }
}
} }
} }