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21 lines
1 KiB
Markdown
21 lines
1 KiB
Markdown
# Build Toolchain
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BoredOS is built cross-compiled from a host system (such as macOS or Linux) to target the generic `x86_64-elf` platform.
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## Prerequisites
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To build BoredOS, you need the following tools:
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1. **x86_64 ELF GCC Cross-Compiler**:
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- `x86_64-elf-gcc`: The C compiler targeting the freestanding overarching ELF environment.
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- `x86_64-elf-ld`: The linker to combine object files into the final `boredos.elf` kernel binary and userland variables.
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2. **NASM**:
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- Required to compile the `.asm` files in `src/arch/` and `src/userland/crt0.asm`. It formats the output as `elf64` objects to be linked alongside the C code.
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3. **xorriso**:
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- A specialized tool to create ISO 9660 filesystem images.
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- *Why?* `xorriso` packages the compiled kernel, Limine bootloader, and asset files (fonts, images, userland binaries) into the final bootable `boredos.iso` CD-ROM image.
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4. **QEMU** (Optional but highly recommended for testing):
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- `qemu-system-x86_64` is used to virtualize the OS for testing or to mess around.
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