From: Timothy Hayes <timothy.hayes@arm.com>
Date: Fri, 18 Oct 2019 15:43:00 +0000 (+0100)
Subject: mem-ruby: MESI_Three_Level fix L1 in_port ranks
X-Git-Tag: v20.0.0.0~289
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8430889fa765477e0d477dc849aec829638e147e;p=gem5.git

mem-ruby: MESI_Three_Level fix L1 in_port ranks

The L1 cache contains three in_port networks with ranks 0-2-3.
This is a benign typo, however, this patch corrects the ranks to
0-1-2 for clarity.

Change-Id: Id9bb63dae310af0f962345a114b0ccb8bddcf696
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24257
Tested-by: Gem5 Cloud Project GCB service account <345032938727@cloudbuild.gserviceaccount.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
---

diff --git a/src/mem/ruby/protocol/MESI_Three_Level-L1cache.sm b/src/mem/ruby/protocol/MESI_Three_Level-L1cache.sm
index 0edeed8fd..a2f2d807b 100644
--- a/src/mem/ruby/protocol/MESI_Three_Level-L1cache.sm
+++ b/src/mem/ruby/protocol/MESI_Three_Level-L1cache.sm
@@ -277,7 +277,7 @@ machine(MachineType:L1Cache, "MESI Directory L1 Cache CMP")
   out_port(bufferToL0_out, CoherenceMsg, bufferToL0);
 
   // Response From the L2 Cache to this L1 cache
-  in_port(responseNetwork_in, ResponseMsg, responseFromL2, rank = 3) {
+  in_port(responseNetwork_in, ResponseMsg, responseFromL2, rank = 2) {
     if (responseNetwork_in.isReady(clockEdge())) {
       peek(responseNetwork_in, ResponseMsg) {
         assert(in_msg.Destination.isElement(machineID));
@@ -315,7 +315,7 @@ machine(MachineType:L1Cache, "MESI Directory L1 Cache CMP")
   }
 
   // Request to this L1 cache from the shared L2
-  in_port(requestNetwork_in, RequestMsg, requestFromL2, rank = 2) {
+  in_port(requestNetwork_in, RequestMsg, requestFromL2, rank = 1) {
     if(requestNetwork_in.isReady(clockEdge())) {
       peek(requestNetwork_in, RequestMsg) {
         assert(in_msg.Destination.isElement(machineID));