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TLM 2.0 Loosely Timed (LT) System Example - Simple

TLM 2.0 Loosely Timed (LT) System Example - Simple. Jack Donovan, Anna Keist, Charles Wilson ESLX, Inc. June 2008. AT System Example - Annotated Timing. The Goal is to Illustrate: Application of TLM 2.0 in a real system Annotated non-blocking (NB) option of the non-blocking style

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TLM 2.0 Loosely Timed (LT) System Example - Simple

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  1. TLM 2.0 Loosely Timed (LT) System Example - Simple Jack Donovan, Anna Keist, Charles Wilson ESLX, Inc. June 2008

  2. AT System Example - Annotated Timing • The Goal is to Illustrate: • Application of TLM 2.0 in a real system • Annotated non-blocking (NB) option of the non-blocking style • NB annotated timing has been referred to as "1 phase" • Simplest version of non-blocking/AT • Possible Applications: • Architectural exploration • Early software development

  3. Example Block Diagram Router (SimpleBusLT) Initiator Module (initiator_top) Initiator Module (initiator_top) Target Module (lt_target) Target Module (at_1_phase_target) TLM 2 GP

  4. How to run this example (Linux) • SetSYSTEMC_HOME andTLM_HOME • cd examples/tlm/lt/build-unix • make clean • make • make run

  5. How to run this example (MSVC) • Open a explorer window onexamples/tlm/lt/build-windows • Launch lt.sln • Select ‘Property Manager’ from the ‘View’ menu • Under ‘lt > Debug | Win32’ select ‘systemc’ • Select ‘Properties’ from the ‘View’ menu • Select ‘User Macros’ under ‘Common Properties’ • Update the ‘SYSTEMC’ and ‘TLM’ entries and apply • Build and run

  6. Expected Output (expected.log) Info: lt_initiator.cpp: 80 ns - initiator_thread Initiator: 101 b_transport(GP, 0 s) Info: report.cpp: 80 ns - print ID: 201 COMMAND: WRITE Length: 04 Addr: 0x0000000000000004 Data: 0x00000004 Info: at_target_1_phase.cpp: 80 ns - b_transport Target: 201 returned delay of 0 s + 20 ns + 60 ns = 80 ns Info: lt_initiator.cpp: 80 ns - initiator_thread Initiator: 101 b_transport returned delay = 80 ns Info: lt_initiator.cpp: 80 ns - initiator_thread Initiator: 102 b_transport(GP, 0 s) Info: report.cpp: 80 ns - print ID: 201 COMMAND: WRITE Length: 04 Addr: 0x0000000000000004 Data: 0x00000004 Info: at_target_1_phase.cpp: 80 ns - b_transport Target: 201 returned delay of 0 s + 20 ns + 60 ns = 80 ns Info: lt_initiator.cpp: 80 ns - initiator_thread Initiator: 102 b_transport returned delay = 80 ns

  7. Initiator Module tlm_initiator_socket tlm_target_socket sc_export sc_port Initiator Module (initiator_top) Traffic Generator Module (traffic_generator) Request Queue (sc_fifo) Response Queue (sc_fifo) top_initiator_socket TLM Interface Module (lt_initiator)

  8. TLM Interface Module tlm_initiator_socket tlm_target_socket sc_export TLM Interface Module (lt_initiator) b_transport request_in_port simple_initiator_socket initiator_thread response_out_port sc_port

  9. Target Module (lt_target) tlm_initiator_socket tlm_target_socket sc_export sc_port Target Module (lt_target) memory_socket (simple_target_socket) memory b_transport

  10. Target Module (at_1_phase_target) tlm_initiator_socket tlm_target_socket sc_export sc_port Target Module (at_1_phase_target) memory_socket memory b_transport AT code

  11. Router Component Router Model (SimpleBusLT<2,2>) initiator sockets (2) target sockets (2) tlm_initiator_socket tlm_target_socket sc_export sc_port

  12. Expected Timing lt_target or at_1_phase_target lt_initiator b_transport(GP, delay)

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