From: Kevin Lim <ktlim@umich.edu>
Date: Tue, 21 Aug 2007 23:16:56 +0000 (-0700)
Subject: o3: Fix for retry ID bug.
X-Git-Tag: m5_2.0_beta4~157^2~2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e1054170b54c37043d768d454f7b0eafcf1c119e;p=gem5.git

o3: Fix for retry ID bug.
It should be cleared prior to the call to recvRetry.
Add extra DPRINTF statement for clearer debugging output.

--HG--
extra : convert_revision : e2332754743f42d60e159ac89f6fb0fd8b7f57f8
---

diff --git a/src/cpu/o3/lsq_impl.hh b/src/cpu/o3/lsq_impl.hh
index 10c0afd38..c71a0ad9d 100644
--- a/src/cpu/o3/lsq_impl.hh
+++ b/src/cpu/o3/lsq_impl.hh
@@ -101,10 +101,11 @@ LSQ<Impl>::DcachePort::recvRetry()
         //Squashed, so drop it
         return;
     }
-    lsq->thread[lsq->retryTid].recvRetry();
+    int curr_retry_tid = lsq->retryTid;
     // Speculatively clear the retry Tid.  This will get set again if
     // the LSQUnit was unable to complete its access.
     lsq->retryTid = -1;
+    lsq->thread[curr_retry_tid].recvRetry();
 }
 
 template <class Impl>
diff --git a/src/cpu/o3/lsq_unit_impl.hh b/src/cpu/o3/lsq_unit_impl.hh
index 8b2e82d8e..4ab149cee 100644
--- a/src/cpu/o3/lsq_unit_impl.hh
+++ b/src/cpu/o3/lsq_unit_impl.hh
@@ -928,6 +928,7 @@ void
 LSQUnit<Impl>::recvRetry()
 {
     if (isStoreBlocked) {
+        DPRINTF(LSQUnit, "Receiving retry: store blocked\n");
         assert(retryPkt != NULL);
 
         if (dcachePort->sendTiming(retryPkt)) {