From 5838ed7290461a253587d854226758b84afbb54d Mon Sep 17 00:00:00 2001
From: Brad Beckmann <Brad.Beckmann@amd.com>
Date: Fri, 6 Apr 2012 13:47:07 -0700
Subject: MOESI_hammer: tbe allocation and dependent wakeup fixes

---
 src/mem/protocol/MOESI_hammer-cache.sm | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

(limited to 'src/mem/protocol/MOESI_hammer-cache.sm')

diff --git a/src/mem/protocol/MOESI_hammer-cache.sm b/src/mem/protocol/MOESI_hammer-cache.sm
index 219096d26..1fe353ce5 100644
--- a/src/mem/protocol/MOESI_hammer-cache.sm
+++ b/src/mem/protocol/MOESI_hammer-cache.sm
@@ -1481,6 +1481,7 @@ machine(L1Cache, "AMD Hammer-like protocol")
   transition(SR, {Load, Ifetch}, S) {
     h_load_hit;
     k_popMandatoryQueue;
+    ka_wakeUpAllDependents;
   }
 
   transition({S, SR}, Store, SM) {
@@ -1525,6 +1526,7 @@ machine(L1Cache, "AMD Hammer-like protocol")
   transition(OR, {Load, Ifetch}, O) {
     h_load_hit;
     k_popMandatoryQueue;
+    ka_wakeUpAllDependents;
   }
 
   transition({O, OR}, Store, OM) {
@@ -1569,14 +1571,26 @@ machine(L1Cache, "AMD Hammer-like protocol")
   }
 
   // Transitions from Modified
-  transition({MM, MMR}, {Load, Ifetch}, MM) {
+  transition({MM, M}, {Load, Ifetch}) {
+    h_load_hit;
+    k_popMandatoryQueue;
+  }
+
+  transition(MM, Store) {
+    hh_store_hit;
+    k_popMandatoryQueue;
+  }
+
+  transition(MMR, {Load, Ifetch}, MM) {
     h_load_hit;
     k_popMandatoryQueue;
+    ka_wakeUpAllDependents;
   }
 
-  transition({MM, MMR}, Store, MM) {
+  transition(MMR, Store, MM) {
     hh_store_hit;
     k_popMandatoryQueue;
+    ka_wakeUpAllDependents;
   }
 
   transition({MM, M, MMR, MR}, Flush_line, MM_F) {
@@ -1630,14 +1644,21 @@ machine(L1Cache, "AMD Hammer-like protocol")
   }
  
   // Transitions from Dirty Exclusive
-  transition({M, MR}, {Load, Ifetch}, M) {
+  transition(M, Store, MM) {
+    hh_store_hit;
+    k_popMandatoryQueue;
+  }
+
+  transition(MR, {Load, Ifetch}, M) {
     h_load_hit;
     k_popMandatoryQueue;
+    ka_wakeUpAllDependents;
   }
 
-  transition({M, MR}, Store, MM) {
+  transition(MR, Store, MM) {
     hh_store_hit;
     k_popMandatoryQueue;
+    ka_wakeUpAllDependents;
   }
 
   transition(M, L2_Replacement, MI) {
-- 
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