scons: Add missing override to appease clang

Make clang happy...again.

src/dev/mips/malta.hh

@@ -87,22 +87,22 @@ class Malta : public Platform
     /**
      * Cause the cpu to post a serial interrupt to the CPU.
      */
-    virtual void postConsoleInt();
+    void postConsoleInt() override;
 
     /**
      * Clear a posted CPU interrupt (id=55)
      */
-    virtual void clearConsoleInt();
+    void clearConsoleInt() override;
 
     /**
      * Cause the chipset to post a cpi interrupt to the CPU.
      */
-    virtual void postPciInt(int line);
+    void postPciInt(int line) override;
 
     /**
      * Clear a posted PCI->CPU interrupt
      */
-    virtual void clearPciInt(int line);
+    void clearPciInt(int line) override;
 
 
     virtual Addr pciToDma(Addr pciAddr) const;

src/dev/mips/malta_cchip.hh

@@ -94,9 +94,9 @@ class MaltaCChip : public BasicPioDevice
      */
     MaltaCChip(Params *p);
 
-    virtual Tick read(PacketPtr pkt);
+    Tick read(PacketPtr pkt) override;
 
-    virtual Tick write(PacketPtr pkt);
+    Tick write(PacketPtr pkt) override;
 
     /**
      * post an RTC interrupt to the CPU

src/dev/mips/malta_io.hh

@@ -120,8 +120,8 @@ class MaltaIO : public BasicPioDevice
      */
     MaltaIO(const Params *p);
 
-    virtual Tick read(PacketPtr pkt);
-    virtual Tick write(PacketPtr pkt);
+    Tick read(PacketPtr pkt) override;
+    Tick write(PacketPtr pkt) override;
 
 
     /** Post an Interrupt to the CPU */
@@ -136,7 +136,7 @@ class MaltaIO : public BasicPioDevice
     /**
      * Start running.
      */
-    virtual void startup();
+    void startup() override;
 
 };
 

src/dev/sparc/dtod.hh

@@ -60,8 +60,8 @@ class DumbTOD : public BasicPioDevice
         return dynamic_cast<const Params *>(_params);
     }
 
-    virtual Tick read(PacketPtr pkt);
-    virtual Tick write(PacketPtr pkt);
+    Tick read(PacketPtr pkt) override;
+    Tick write(PacketPtr pkt) override;
 
     void serialize(CheckpointOut &cp) const override;
     void unserialize(CheckpointIn &cp) override;

src/dev/sparc/iob.hh

@@ -132,14 +132,14 @@ class Iob : public PioDevice
         return dynamic_cast<const Params *>(_params);
     }
 
-    virtual Tick read(PacketPtr pkt);
-    virtual Tick write(PacketPtr pkt);
+    Tick read(PacketPtr pkt) override;
+    Tick write(PacketPtr pkt) override;
     void generateIpi(Type type, int cpu_id, int vector);
     void receiveDeviceInterrupt(DeviceId devid);
     bool receiveJBusInterrupt(int cpu_id, int source, uint64_t d0,
                               uint64_t d1);
 
-    AddrRangeList getAddrRanges() const;
+    AddrRangeList getAddrRanges() const override;
 
     void serialize(CheckpointOut &cp) const override;
     void unserialize(CheckpointIn &cp) override;

src/dev/sparc/mm_disk.hh

@@ -58,8 +58,8 @@ class MmDisk : public BasicPioDevice
         return dynamic_cast<const Params *>(_params);
     }
 
-    virtual Tick read(PacketPtr pkt);
-    virtual Tick write(PacketPtr pkt);
+    Tick read(PacketPtr pkt) override;
+    Tick write(PacketPtr pkt) override;
 
     void serialize(CheckpointOut &cp) const override;
 };