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Porting Wind River pSOS (R) Applications to Linux To ease the task of moving legacy pSOS (R) code to Linux, an emulation environment was created that implements most of the core features of Wind River's pSOS+ kernel on a standard Linux platform. This 'virtual machine' can be used to test existing legacy code in an emulation environment, and can also provide a basis for porting the legacy code to Linux. Porting legacy applications to embedded Linux involves a series of steps, as follows, which are detailed in the accompanying documentation (see link at left): Establishing a Linux Cross-Development Environment  Establishing a Linux Environment on the Target Hardware Re-compiling the Target Code for the New Environment Eliminating Undefined Linker References Debugging the Ported Code  Refining the Ported Code to Improve Performance The documentation also describes the technical workings of this emulation software, with particular focus on the following areas: Task Scheduler Characteristics Applications Memory Map and Memory Utilization Inter-Task Communication and Synchronization Facilities Input/Output Device Access

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