add SystemC ISS factory

src/sysc/sc_core_adapter.h

@@ -16,6 +16,7 @@
 #include <iss/vm_types.h>
 #include <iostream>
 
+namespace sysc {
 template<typename PLAT>
 class sc_core_adapter : public PLAT, public sc_core_adapter_if {
 public:
@@ -25,6 +26,8 @@ public:
     sc_core_adapter(sysc::tgfs::core_complex *owner)
     : owner(owner) { }
 
+    iss::arch_if* get_arch_if() override { return this;}
+
     void set_mhartid(unsigned id) override { PLAT::set_mhartid(id); }
 
     uint32_t get_mode() override { return this->reg.PRIV; }
@@ -144,6 +147,5 @@ private:
     sysc::tgfs::core_complex *const owner;
     sc_core::sc_event wfi_evt;
 };
-
-
+}
 #endif /* _SYSC_SC_CORE_ADAPTER_H_ */