diff --git a/src/systemc/tlm_bridge/sc_ext.cc b/src/systemc/tlm_bridge/sc_ext.cc
index ba4078ae00..20efe6acc2 100644
--- a/src/systemc/tlm_bridge/sc_ext.cc
+++ b/src/systemc/tlm_bridge/sc_ext.cc
@@ -125,4 +125,85 @@ AtomicExtension::getAtomicOpFunctor() const
     return _op.get();
 }
 
+ControlExtension::ControlExtension()
+    : privileged(false), secure(false), instruction(false), qos(0)
+{
+}
+
+tlm::tlm_extension_base *
+ControlExtension::clone() const
+{
+    return new ControlExtension(*this);
+}
+
+void
+ControlExtension::copy_from(const tlm::tlm_extension_base &ext)
+{
+    const ControlExtension &from = static_cast<const ControlExtension &>(ext);
+    *this = from;
+}
+
+ControlExtension &
+ControlExtension::getExtension(const tlm::tlm_generic_payload &payload)
+{
+    return ControlExtension::getExtension(&payload);
+}
+
+ControlExtension &
+ControlExtension::getExtension(const tlm::tlm_generic_payload *payload)
+{
+    ControlExtension *result = nullptr;
+    payload->get_extension(result);
+    sc_assert(result);
+    return *result;
+}
+
+bool
+ControlExtension::isPrivileged() const
+{
+    return privileged;
+}
+
+void
+ControlExtension::setPrivileged(bool p)
+{
+    privileged = p;
+}
+
+bool
+ControlExtension::isSecure() const
+{
+    return secure;
+}
+
+void
+ControlExtension::setSecure(bool s)
+{
+    secure = s;
+}
+
+bool
+ControlExtension::isInstruction() const
+{
+    return instruction;
+}
+
+void
+ControlExtension::setInstruction(bool i)
+{
+    instruction = i;
+}
+
+uint8_t
+ControlExtension::getQos() const
+{
+    return qos;
+}
+
+void
+ControlExtension::setQos(uint8_t q)
+{
+    qos = q;
+}
+
 } // namespace Gem5SystemC
diff --git a/src/systemc/tlm_bridge/sc_ext.hh b/src/systemc/tlm_bridge/sc_ext.hh
index 25e6a1cc04..156c8d90ae 100644
--- a/src/systemc/tlm_bridge/sc_ext.hh
+++ b/src/systemc/tlm_bridge/sc_ext.hh
@@ -34,6 +34,7 @@
 #ifndef __SYSTEMC_TLM_BRIDGE_SC_EXT_HH__
 #define __SYSTEMC_TLM_BRIDGE_SC_EXT_HH__
 
+#include <cstdint>
 #include <memory>
 
 #include "base/amo.hh"
@@ -83,6 +84,41 @@ class AtomicExtension: public tlm::tlm_extension<AtomicExtension>
     bool _needReturn;
 };
 
+class ControlExtension : public tlm::tlm_extension<ControlExtension>
+{
+  public:
+    ControlExtension();
+
+    tlm_extension_base *clone() const override;
+    void copy_from(const tlm_extension_base &ext) override;
+
+    static ControlExtension &getExtension(
+            const tlm::tlm_generic_payload *payload);
+    static ControlExtension &getExtension(
+            const tlm::tlm_generic_payload &payload);
+
+    /* Secure and privileged access */
+    bool isPrivileged() const;
+    void setPrivileged(bool p);
+    bool isSecure() const;
+    void setSecure(bool s);
+    bool isInstruction() const;
+    void setInstruction(bool i);
+
+    /* Quality of Service (AXI4) */
+    uint8_t getQos() const;
+    void setQos(uint8_t q);
+
+  private:
+    /* Secure and privileged access */
+    bool privileged;
+    bool secure;
+    bool instruction;
+
+    /* Quality of Service (AXI4) */
+    uint8_t qos;
+};
+
 } // namespace Gem5SystemC
 
 #endif // __SYSTEMC_TLM_BRIDGE_SC_EXT_HH__