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To improve the efficiency of the commercial aircraft engine control software development ,. simulation is extensively used, in simulation platform, it usually used to prove the logic is correct and then integrated the application software into the EEC hardware.But for commercial aircraft engine control software, the development objective is not only to meet the functional and performance requirements, but also to meet the airworthiness requirements, because there are differences between simulation platform and target hardware, the test result obtained in simulation platform can’t be accepted by the certification authority. So minimal the differences between simulation and target hardware is important. Build a platform based SIMICS, and use the processor simulation technology, simulate the processor instructions, memory, devices,etc. The application executable object code can run on the simulation platform as same as the target, and by the way of analyze the behavior of system, to improve on the integrity of the test results in the simulation platform.