From 6d072006939960d976f6c9bd97b66c10f98bd475 Mon Sep 17 00:00:00 2001
From: Carlos Falquez <c.falquez@fz-juelich.de>
Date: Tue, 15 Jun 2021 13:00:14 +0200
Subject: [PATCH] mem-ruby: Add (BUSY_BLKD,SnpOnceFwd) transition
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Add (BUSY_BLKD,SnpOnceFwd) cache transition
to the Ruby CHI protocol.

Change-Id: I150880b26dee869b48cfd16fb661b9487527a8cd
Signed-off-by: Carlos Falquez <c.falquez@fz-juelich.de>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/46901
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Tiago Mück <tiago.muck@arm.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---
 src/mem/ruby/protocol/chi/CHI-cache-transitions.sm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm b/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
index d69d28e0c5..0d303fc162 100644
--- a/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
+++ b/src/mem/ruby/protocol/chi/CHI-cache-transitions.sm
@@ -685,7 +685,7 @@ transition(UD_T, {Global_Eviction, Local_Eviction, LocalHN_Eviction}, UD) {
 
 transition(BUSY_BLKD,
             {SnpCleanInvalid,SnpShared,SnpUnique,SnpSharedFwd,SnpUniqueFwd,
-            SnpNotSharedDirtyFwd, SnpOnce}) {
+            SnpOnce,SnpOnceFwd,SnpNotSharedDirtyFwd}) {
   StallSnoop;
 }