64bit-os-tutorial
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| 64bit-os-tutorial | AssemblyLine | |
|---|---|---|
| 4 | 2 | |
| 132 | 172 | |
| - | 3.5% | |
| 0.0 | 0.0 | |
| over 2 years ago | over 1 year ago | |
| Assembly | Assembly | |
| MIT License | Apache License 2.0 |
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64bit-os-tutorial
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How do I set up a C++ kernel with clang/LLVM ?
So I have been following this tutorial on writing a 64-bit OS from scratch. At this point, they show how to build and link to a basic C kernel, which is all good, but I would rather write it in C++. However, after trying to modify the makefile to compile C++ files (by changing the compiler to clang++ and changing all the .c to .cpp), as well as putting extern "C" in front of the main() function , I get an error from ld saying ld.lld: error: undefined symbol: main. I understand that there are things lacking in my build process, but I can't find which ones; is it some flags I am missing, or a more involved set of build commands ? I really would like to stick to clang/LLVM, if possible, rather than cross-compiling with GCC.
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Operating System Development: Where to Start?
I found this github repo very helpful, it is a basic x86_64 bootloader and a simple main function. I liked it because it is just something working that get's you going, it's also very good documented and from there you can start adding your own things.
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Added VGA driver to my kernel.
I’ve already made a tutorial you can follow here: https://github.com/gmarino2048/64bit-os-tutorial. I’m still in the process of updating it and would appreciate any feedback.
AssemblyLine
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