Warning

I do not recommend testing it on real hardware because it can differ in some ways from my computers and might not work as expected. This is a bare metal project so be careful with it!

Preview

Installing build tools

All operating systems, including Windows. Make sure all tools available from PATH

• NASM assembler (nasm)
• LLVM toolchain (clang, llvm-objcopy, ld.lld)
• QEMU emulator (qemu-system-i386)

Building and running project

cd src

nasm -Werror -f elf32 -o ../build/bootloader.o bootloader.s

cd ../build

clang --target=i686-pc-none-elf -c -o kmain.o ../src/kmain.c

ld.lld -T linker.ld

llvm-objcopy --set-start=0x7c00 -O binary kernel.o kernel.bin

qemu-system-i386 -drive file=kernel.bin,format=raw

Note

To jump to C code uncomment line 138 in bootloader.s