[m5-dev] [PATCH 10 of 43] protocol: made MI_example work with unordered networks

[Derek Hower]

# HG changeset patch
# User Derek Hower <d...@cs.wisc.edu>
# Date 1252635489 18000
# Node ID f1ee92cfcc10a8192f6955d6798ed50044c36609
# Parent  0173532b03f076dd9b089a6e4c6b2839cdff3f1b
protocol: made MI_example work with unordered networks

diff --git a/src/mem/protocol/MI_example-cache.sm 
b/src/mem/protocol/MI_example-cache.sm
--- a/src/mem/protocol/MI_example-cache.sm
+++ b/src/mem/protocol/MI_example-cache.sm
@@ -17,6 +17,7 @@
     II, desc="Not Present/Invalid, issued PUT";
     M,  desc="Modified";
     MI,  desc="Modified, issued PUT";
+    MII, desc="Modified, issued PUTX, received nack";
 
     IS,  desc="Issued request for LOAD/IFETCH";
     IM,  desc="Issued request for STORE/ATOMIC";
@@ -388,6 +389,16 @@
     o_popForwardedRequestQueue;
   }
 
+  transition(MI, Writeback_Nack, MII) {
+    o_popForwardedRequestQueue;
+  }
+
+  transition(MII, Fwd_GETX, I) {
+    ee_sendDataFromTBE;
+    w_deallocateTBE;
+    o_popForwardedRequestQueue;
+  }
+
   transition(II, Writeback_Nack, I) {
     w_deallocateTBE;
     o_popForwardedRequestQueue;
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