ruby: move range change send from RubyPort to derived classes.

src/mem/ruby/system/DMASequencer.cc

@@ -46,6 +46,9 @@ DMASequencer::init()
     RubyPort::init();
     m_is_busy = false;
     m_data_block_mask = ~ (~0 << RubySystem::getBlockSizeBits());
+
+    for (const auto &s_port : slave_ports)
+        s_port->sendRangeChange();
 }
 
 RequestStatus

src/mem/ruby/system/RubyPort.cc

@@ -84,9 +84,6 @@ RubyPort::init()
 {
     assert(m_controller != NULL);
     m_mandatory_q_ptr = m_controller->getMandatoryQueue();
-
-    for (const auto &s_port : slave_ports)
-        s_port->sendRangeChange();
 }
 
 BaseMasterPort &

src/mem/ruby/system/RubyPort.hh

@@ -192,6 +192,8 @@ class RubyPort : public MemObject
     bool m_usingRubyTester;
     System* system;
 
+    std::vector<MemSlavePort *> slave_ports;
+
   private:
     bool onRetryList(MemSlavePort * port)
     {
@@ -212,7 +214,6 @@ class RubyPort : public MemObject
 
     /** Vector of M5 Ports attached to this Ruby port. */
     typedef std::vector<MemSlavePort *>::iterator CpuPortIter;
-    std::vector<MemSlavePort *> slave_ports;
     std::vector<PioMasterPort *> master_ports;
 
     //