SumitK
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Hi How I can do serial transfer of data(one bit at a time) using TLM2 sockets ? Any example ? Thanks Sumit
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hi Sheridp I am not sure to understand your comment. Can you please elaborate a little possibly with an example. Sumit
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Hi I am not able to think of the case where we need to create dynamic processes using sc_spwan and cases where simple SC_THREAD/SC_METHOD is not suffice. Can you give me few example cases where I must use sc_spawn during end_of_elaboration or during simulation to create the processes? Thanks in advance Thanks Sumit
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I am looking for the updated source code for greensocs CCI implementation. Earlier it was at https://github.com/OSCI-WG/cci.git but now I am not able to find it Anybody knows from where I can get this ? Thanks Sumit
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Hi Folks Any solution for this ? Thanks Sumit
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Thanks Eyck I have couple of more questions. 1. In case of tlm::tlm_inititor_socket/tlm::tlm_target_sockts, how to know whther they are connected or not 2. If N=0 for tlm::tlm_inititor_socket/tlm::tlm_target_sockts, then how to know the number of sockets bound to it Thanks Sumit
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I have an array of initiaot/target sockets(without pointers) like tlm_utils::multi_passthrough_initiator_socket<Router, 32, tlm::tlm_base_protocol_types,1,sc_core::SC_ZERO_OR_MORE_BOUND > Out[10] How I can provide the name to these elements as Out0, Out1,Out2,...,Out9. Please note these are not pointers but simple object Thanks Sumit
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Interconnect backward transactions
SumitK replied to SumitK's topic in SystemC TLM (Transaction-level Modeling)
Hi Eyck Please ignore my last thread. It was my mistake. I should use for(unsigned int i=0; i<In.size(); ++i) In[i]->invalidate_direct_mem_ptr(...) and for(unsigned int i=0; i<In.size(); ++i) In[i]->nb_transport_bw() // only is corresponding nb_transport_fw() is received on that In My only remaining point is now wrt nb_transport_bw() calls. For this if I want to make sure that my interconnect model only pass that calls to that initiator socket from which the corresponding nb_transport_fw() call is received, do I need to add t -
Interconnect backward transactions
SumitK replied to SumitK's topic in SystemC TLM (Transaction-level Modeling)
Hi Eyck My mistake, I mean to say for(unsigned int i=0; i<In.size(); ++i) In[i]->invalidate_direct_mem_ptr(...) In my platform, when I just call In->invalidate_direct_mem_ptr(...), I see it reaches to all connected sockets . but you said it will reach only to first bound initiator socket. I am confused here. What is different between In->invalidate_direct_mem_ptr(...) and for(unsigned int i=0; i<In.size(); ++i) In[i]->invalidate_direct_mem_ptr(...) With both the cases, how we should handle nb_transport_bw() so -
Hi Guys In this case the SystemC implementation shouldn't allow hierarchical connections between ports having different directions What you think ? Thanks Sumit
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Interconnect backward transactions
SumitK posted a topic in SystemC TLM (Transaction-level Modeling)
Hi Folks In my inteconnect model, I have a target socket In (which allows multiple initiator sockets connected to it) and an array of initiator socket like folloiwng tlm_utils::multi_passthrough_target_socket<QC_Mux_base<N_TARGETS>, 32, tlm::tlm_base_protocol_types,0,sc_core::SC_ZERO_OR_MORE_BOUND > In tlm_utils::multi_passthrough_initiator_socket<QC_Mux_base<N_TARGETS>, 32, tlm::tlm_base_protocol_types,1,sc_core::SC_ZERO_OR_MORE_BOUND > Out[MAX] Now if I receive some backward transaction, e.g. nb_transport_bw or invalidate_direct_mem_ptr, on some o -
Hi Guys How can I know whether - a multi_passthrough_initiator_socket is connected or not - a multi_passthrough_target_socket is connected or not I need this before forwarding the incoming/outgoing transactions to avoid runtime error Thanks in advance SumitJ
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Hi David I can not use sc_vector here because in real scenario, I have a interconnect implemented with following ports tlm::tlm_target_socket<32,tlm::tlm_base_protocol_types,0,SC_ZERO_OR_MORE_BOUND> In; tlm::tlm_initiator_socket<32,tlm::tlm_base_protocol_types,1,SC_ZERO_OR_MORE_BOUND> Out[N]; and in my platform, there are a case when two Out socket of an interconnect instance connected to same In socket of other interconnect. Thanks SumitJ
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I have a scenario where I have a model (initiator) with following ports tlm::tlm_initiator_socket<32,tlm::tlm_base_protocol_types,0,SC_ZERO_OR_MORE_BOUND> Out; and another model(target) with following ports tlm::tlm_target_socket<32,tlm::tlm_base_protocol_types,1,SC_ZERO_OR_MORE_BOUND> In[2]; When I connect them as initiator_inst->Out.bind(target_inst->In[0]); initiator_inst->Out.bind(target_inst->In[1]); I get the following error Error: (E107) bind interface to port failed: interface already bound to port: port 'init_inst.
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Hi Eyck I agree with you that it is allowed to direct connect an initiator(target) socket to target(initiator) socket but my question is related to hierarchical connections. As far as I know, it is allowed to hierarchically connect the following - initiator socket of child object to initiator socket of parent - target socket of child object to an target socket of parent but what about following - connecting initiator socket of child object to target socket of parent - connecting target socket of child object to initiator socket of parent In my understan