arm, mem: Remove unused CLEAR_LL request flag

Cleaning up dead code. The CLREX stores zero directly to
MISCREG_LOCKFLAG and so the request flag is no longer needed. The
corresponding functionality in the cache tags is also removed.

5 files changed, 0 insertions, 34 deletions

diff --git a/src/mem/cache/tags/base.hh b/src/mem/cache/tags/base.hh
index 05f51167e..f1ef947a5 100644
--- a/src/mem/cache/tags/base.hh
+++ b/src/mem/cache/tags/base.hh
@@ -171,12 +171,6 @@ class BaseTags : public ClockedObject
     virtual void computeStats() {}
 
     /**
-     *iterated through all blocks and clear all locks
-     *Needed to clear all lock tracking at once
-     */
-    virtual void clearLocks() {}
-
-    /**
      * Print all tags used
      */
     virtual std::string print() const = 0;
diff --git a/src/mem/cache/tags/base_set_assoc.cc b/src/mem/cache/tags/base_set_assoc.cc
index 8c48337bc..6fc186d19 100644
--- a/src/mem/cache/tags/base_set_assoc.cc
+++ b/src/mem/cache/tags/base_set_assoc.cc
@@ -135,14 +135,6 @@ BaseSetAssoc::findBlockBySetAndWay(int set, int way) const
     return sets[set].blks[way];
 }
 
-void
-BaseSetAssoc::clearLocks()
-{
-    for (int i = 0; i < numBlocks; i++){
-        blks[i].clearLoadLocks();
-    }
-}
-
 std::string
 BaseSetAssoc::print() const {
     std::string cache_state;
diff --git a/src/mem/cache/tags/base_set_assoc.hh b/src/mem/cache/tags/base_set_assoc.hh
index 78c7489fe..9fe23ea91 100644
--- a/src/mem/cache/tags/base_set_assoc.hh
+++ b/src/mem/cache/tags/base_set_assoc.hh
@@ -381,12 +381,6 @@ public:
     }
 
     /**
-     *iterated through all blocks and clear all locks
-     *Needed to clear all lock tracking at once
-     */
-    virtual void clearLocks();
-
-    /**
      * Called at end of simulation to complete average block reference stats.
      */
     virtual void cleanupRefs();
diff --git a/src/mem/cache/tags/fa_lru.cc b/src/mem/cache/tags/fa_lru.cc
index a53d25665..3f717e3a7 100644
--- a/src/mem/cache/tags/fa_lru.cc
+++ b/src/mem/cache/tags/fa_lru.cc
@@ -317,14 +317,6 @@ FALRU::check()
     return true;
 }
 
-void
-FALRU::clearLocks()
-{
-    for (int i = 0; i < numBlocks; i++){
-        blks[i].clearLoadLocks();
-    }
-}
-
 FALRU *
 FALRUParams::create()
 {
diff --git a/src/mem/cache/tags/fa_lru.hh b/src/mem/cache/tags/fa_lru.hh
index 1c6bd2431..def4c9b2c 100644
--- a/src/mem/cache/tags/fa_lru.hh
+++ b/src/mem/cache/tags/fa_lru.hh
@@ -306,12 +306,6 @@ public:
     }
 
     /**
-     *iterated through all blocks and clear all locks
-     *Needed to clear all lock tracking at once
-     */
-    virtual void clearLocks();
-
-    /**
      * @todo Implement as in lru. Currently not used
      */
     virtual std::string print() const { return ""; }