Ruby: Update backing store option to propagate through to all RubyPorts

Previously, the user would have to manually set access_backing_store=True
on all RubyPorts (Sequencers) in the config files.
Now, instead there is one global option that each RubyPort checks on
initialization.

Committed by: Nilay Vaish <nilay@cs.wisc.edu>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/mem/ruby/system/DMASequencer.hh b/src/mem/ruby/system/DMASequencer.hh
index be386f1a1..7b0fe58c9 100644
--- a/src/mem/ruby/system/DMASequencer.hh
+++ b/src/mem/ruby/system/DMASequencer.hh
@@ -29,8 +29,8 @@
 #ifndef __MEM_RUBY_SYSTEM_DMASEQUENCER_HH__
 #define __MEM_RUBY_SYSTEM_DMASEQUENCER_HH__
 
-#include <ostream>
 #include <memory>
+#include <ostream>
 
 #include "mem/protocol/DMASequencerRequestType.hh"
 #include "mem/protocol/RequestStatus.hh"
@@ -38,6 +38,7 @@
 #include "mem/ruby/network/MessageBuffer.hh"
 #include "mem/ruby/system/System.hh"
 #include "mem/mem_object.hh"
+#include "mem/simple_mem.hh"
 #include "mem/tport.hh"
 #include "params/DMASequencer.hh"
 
@@ -66,10 +67,13 @@ class DMASequencer : public MemObject
     {
       private:
         SlavePacketQueue queue;
+        RubySystem* ruby_system;
+        bool access_backing_store;
 
       public:
         MemSlavePort(const std::string &_name, DMASequencer *_port,
-                     PortID id);
+                     PortID id, RubySystem *_ruby_system,
+                     bool _access_backing_store);
         void hitCallback(PacketPtr pkt);
         void evictionCallback(const Address& address);