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mem-ruby: add missing response for ReadOnce

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When HNF snoops an RNF with SnpOnce to process
ReadOnce request (e.g. DMA read request),
the RNF can respond with SnpRespData_UC if the cache line is in UC.
Thus, SnpRespData_UC was added to the transition events.

Change-Id: Ife242e75feb9d2451eb99511e21833d9d190a6c3
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/58410
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Tiago Muck <tiago.muck@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
This commit is contained in:
Daecheol You
2022-03-14 13:57:04 +09:00
parent 53500ac611
commit 8b648ac856
1 changed files with 1 additions and 1 deletions
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2
src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
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@@ -1085,7 +1085,7 @@ transition({BUSY_BLKD,BUSY_INTR}, NCBWrData) {
transition(BUSY_BLKD,
{SnpRespData_I_PD,SnpRespData_I,SnpRespData_SC_PD,
SnpRespData_SC,SnpRespData_SD,SnpRespData_UD,
SnpRespData_SC,SnpRespData_SD,SnpRespData_UC,SnpRespData_UD,
SnpRespData_SC_Fwded_SC,SnpRespData_SC_Fwded_SD_PD,
SnpRespData_SC_PD_Fwded_SC,SnpRespData_I_Fwded_SD_PD,
SnpRespData_I_PD_Fwded_SC,SnpRespData_I_Fwded_SC}) {