diff --git a/src/components/scc/tlm_target.h b/src/components/scc/tlm_target.h
index 1e14b0a83..430d3af7c 100644
--- a/src/components/scc/tlm_target.h
+++ b/src/components/scc/tlm_target.h
@@ -104,9 +104,15 @@ template <unsigned int BUSWIDTH = LT, unsigned int ADDR_UNIT_BITWIDTH = 8> class
 
 private:
     sc_core::sc_time& clk;
+    tlm::tlm_generic_payload* current_payload{nullptr};
 
 protected:
     util::range_lut<std::pair<resource_access_if*, uint64_t>> socket_map;
+    template <typename T> T* get_payload_extendsion() {
+        if(current_payload)
+            return current_payload->get_extension<T>();
+        return nullptr;
+    }
 };
 /**
  * helper structure to define a address range for a socket
@@ -192,6 +198,7 @@ void scc::tlm_target<BUSWIDTH, ADDR_UNIT_BITWIDTH>::b_tranport_cb(tlm::tlm_gener
             gp.set_response_status(tlm::TLM_BYTE_ENABLE_ERROR_RESPONSE);
         } else {
             gp.set_response_status(tlm::TLM_COMMAND_ERROR_RESPONSE);
+            current_payload = &gp;
             switch(gp.get_command()) {
             case tlm::TLM_READ_COMMAND:
                 if(ra->read(gp.get_data_ptr() + offset, len, (gp.get_address() - base + offset), delay))
@@ -201,7 +208,10 @@ void scc::tlm_target<BUSWIDTH, ADDR_UNIT_BITWIDTH>::b_tranport_cb(tlm::tlm_gener
                 if(ra->write(gp.get_data_ptr() + offset, len, (gp.get_address() - base + offset), delay))
                     gp.set_response_status(tlm::TLM_OK_RESPONSE);
                 break;
+            case tlm::TLM_IGNORE_COMMAND:
+                break;
             }
+            current_payload = nullptr;
         }
     } else {
         gp.set_response_status(tlm::TLM_ADDRESS_ERROR_RESPONSE);
@@ -216,6 +226,7 @@ unsigned int scc::tlm_target<BUSWIDTH, ADDR_UNIT_BITWIDTH>::tranport_dbg_cb(tlm:
     std::tie(ra, base) = socket_map.getEntry(gp.get_address());
     if(ra) {
         if(gp.get_data_length() == ra->size() && gp.get_byte_enable_ptr() == nullptr && gp.get_data_length() == gp.get_streaming_width()) {
+            current_payload = &gp;
             if(gp.get_command() == tlm::TLM_READ_COMMAND) {
                 if(ra->read_dbg(gp.get_data_ptr(), gp.get_data_length(), (gp.get_address() - base) / ra->size()))
                     return gp.get_data_length();
@@ -223,6 +234,7 @@ unsigned int scc::tlm_target<BUSWIDTH, ADDR_UNIT_BITWIDTH>::tranport_dbg_cb(tlm:
                 if(ra->write_dbg(gp.get_data_ptr(), gp.get_data_length(), (gp.get_address() - base) / ra->size()))
                     return gp.get_data_length();
             }
+            current_payload = nullptr;
         }
     }
     return 0;
diff --git a/src/sysc/tlm/scc/tlm_id.h b/src/sysc/tlm/scc/tlm_id.h
index 359af552d..5deb74a6f 100644
--- a/src/sysc/tlm/scc/tlm_id.h
+++ b/src/sysc/tlm/scc/tlm_id.h
@@ -26,7 +26,7 @@ namespace scc {
 
 struct tlm_id_extension : public tlm_extension<tlm_id_extension> {
     virtual tlm_extension_base* clone() const {
-        tlm_id_extension* t = new tlm_id_extension(this->id);
+        auto* t = new tlm_id_extension(this->id);
         return t;
     }
     virtual void copy_from(tlm_extension_base const& from) { id = static_cast<tlm_id_extension const&>(from).id; }
@@ -63,5 +63,17 @@ inline void setId(tlm::tlm_generic_payload& gp, uintptr_t id) {
     else
         gp.set_extension(new tlm_id_extension(id));
 }
+
+struct initiator_id_extension : public tlm_extension<tlm_id_extension> {
+    virtual tlm_extension_base* clone() const {
+        auto* t = new initiator_id_extension(this->id);
+        return t;
+    }
+    virtual void copy_from(tlm_extension_base const& from) {}
+    initiator_id_extension(uint64_t i)
+    : id(i) {}
+    const uint64_t id;
+};
+
 } // namespace scc
 } // namespace tlm