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No, multiple inheritance is not supported in this case Here is quote from IEEE 1666-2011 So you have two options: Use composition instead of inheritance : in SystemC case this means you need to instantiate modules and bind their ports In some cases you can put some sc_objects in pure C++ classes (not sc_modules). This technique is commonly used for "port bundles". For example: struct clock_reset_if { sc_in_clk clk{"clk"}; sc_in<bool> rstn{"rstn"}; } struct some_module: sc_module, clock_reset_if { // ... } Unfortunately this approach does not work with SC_METHOD/SC_THREAD macros. But I think it should work with sc_spawn.

I am doing systemic & verilog co-simulation using cadence irun tool. When I am using non parameterize constructor and then using NCSC_MODULE_EXPORT it is working fine. But if I use parameterized constructor, then same NCSC_MODULE_EXPORT syntax is not working. Is the NCSC_MODULE_EXPORT different for parameterized constructor?