Your next task is to make a simple hello world kernel that is able to start up, print a message to the output device and then loop endlessly. At first you would like to do is create a compiler that produces executables that will run directly on your target hardware.Ĭreating a Hello World kernel Main article: Bare Bones See also Bare Bones for other platforms The compiler on your local system is not able to produce programs for your operating system because it hasn't been invented yet. The first thing you will like to do is set up a cross-compiler for your operating system. Setting up a Cross-Toolchain Main article: GCC Cross Compiler In this phase we will set up a toolchain and create a basic kernel that will become the core of the new operating system. You may wish to upgrade your system compiler to the latest version before you start out with operating systems development and build the cross-compiler. You should consult all the basic documentation before starting writing an operating system.īuilding the latest GCC Main article: Building GCC Phase 0: Introduction Welcome to Operating Systems Development Main article: Introduction 4 Phase III: Extending your Operating System. 1.1 Welcome to Operating Systems Development.
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