Nios Software Tutorial - Faculty.lasierra.edu

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Contents Nios Software Development TutorialGERMS Monitor .............................................................................................................................39Insight: GNU Debugger ................................................................................................................39Appendix—Other Board Communication & Debug ........................................................................39Gprof: GNU Profiler ......................................................................................................................41Requirements ..........................................................................................................................42Debugging Code with Gprof ................................................................................................42Changing Gprof Settings ......................................................................................................48References .......................................................................................................................................48Appendix—Nios SDK Shell Tips ...........................................................................................................49Changing to the SDK Directory ...........................................................................................49Keystroke Shortcuts ...............................................................................................................49Utility Usage Shortcuts .........................................................................................................49Index ................................................................................................................................................................51viiiAltera Corporation
Tutorial OverviewHardware/SoftwareDevelopmentFlowThis tutorial introduces software development for the Nios processor andwalks you through the basic software development flow for compiling,debugging, and prototyping embedded software. Although this tutorialuses the Nios development kit as a demonstration platform, the generalconcepts introduced in this tutorial are valid for any Nios processorsystem. The instructions in this tutorial are designed to work with thefollowing Nios development kits:1Tutorial Overview■■■Nios Development Kit, Stratix EditionNios Development Kit, Cyclone EditionNios Development Kit, Stratix Professional EditionfFigure 1 shows a complete design flow for creating a Nios system andprototyping it on the Nios development board. The diagram includes boththe hardware and software design tasks required to create a workingsystem. The right side shows the software development flow while the leftside shows the hardware design flow. This tutorial walks you through thesteps “Software Development” and “Software Prototype on theDevelopment Board” shown in Figure 1.Refer to the Nios Hardware Development Tutorial for a complete explanationof the hardware flow.Figure 1. Hardware/Software Development Flow for a Nios Processor SystemStep 1: Predesign Activity• Analyze System Requirements (Performance & Throughput)• Define Nios Processor Subsystem (CPU, Peripherals, Memory Structure, DMA Channels, etc.)Standard SystemComponents• UART• PIO• DMA• etc.Hardware DevelopmentDefine Nios ProcessorSystem Module with SOPCBuilderSoftware DevelopmentStep 2:Begin C/C++ DevelopmentSoftware LibrariesUser-DefinedComponents• Custom Peripherals• Custom InstructionsAssign Device, Layout Pins &Compile Hardware with theQuartus II SoftwareCustom SDK• Memory Map• IRQs• Routines forStandard PeripheralsStep 3:Develop Drivers & Routinesfor Custom HardwareOS KernelHardware Prototype onDevelopment BoardStep 5:Software Prototype onDevelopment BoardStep 4:Compile & Link, TargetingCustom Hardware PlatformDrivers & Routinesfor Custom PeripheralsCreate Custom AccelerationHardwareNoDoes SystemMeet Goals?NoYesStep 6:Successful Prototype ofNios System ModuleAltera Corporation 9
Page 10 and 11: Tutorial OverviewNios Software Deve
Page 19 and 20: TutorialBefore YouBeginThis section
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Page 38 and 39: Appendix—Using a .hexout Nios Sof
Page 40 and 41: Appendix—Other Board Communicatio
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Index Nios Software Development Tut
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Nios Software Tutorial - Faculty.lasierra.edu

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