Indunil Posted March 12, 2019 Report Share Posted March 12, 2019 Hi All, I am new to the SystemC language. I am working on some SystemC project. Although all modules are compiled without any warning, there is a runtime error as follow. Can anyone help me to find out the reason for below error? Fatal: (F4) assertion failed: iface != 0 In file: /usr/local/systemc-2.3.3/include/sysc/communication/sc_port.h:553 Thanks Quote Link to comment Share on other sites More sharing options...
Eyck Posted March 12, 2019 Report Share Posted March 12, 2019 This means that a port is not bound to an interface. A port is just a kind of a forwarder of an interface. So if none is bound nothing can be forwarded. E.g. if you have a sc_in<bool> it forwards the sc_signal_in_if which allows you to read and wait for events. But there needs to be 'something on the other side' which is usually a signal (implementing the sc_signal_in_if) being bound to the socker. But without further information it is hard to provide more help. Best regards Indunil and deeku 2 Quote Link to comment Share on other sites More sharing options...
Philipp A Hartmann Posted March 12, 2019 Report Share Posted March 12, 2019 The issue is likely caused because you access a port (via -> or for example calling functions like .read()) already inside the module constructor. You should only access ports after binding has completed, this means from within a SystemC process or in end_of_elaboration() / start_of_simulation() callbacks. Hope that helps, Philipp Indunil and deeku 2 Quote Link to comment Share on other sites More sharing options...
Indunil Posted March 20, 2019 Author Report Share Posted March 20, 2019 Thank You guys, I was able to solve the issue Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.