m68k-elf Toolset

Toolset for the Motorola 68000 for use with SGDK and other bare-metal environments. It includes the following components:

• GCC 14.2.0
• GDB 16.2
• Newlib 4.5.0.20241231

Cloning

This repository uses submodules. To clone the repository use the command below.

git clone --recursive https://github.com/iratahack/m68k-elf-gcc.git

Scripts

The build scripts in this repository are:

• crosstool-build.sh
  • Builds the toolset natively for Ubuntu 22.04 and Windows (mingw32)
    • Builds are performed using crosstool-ng

Using with SGDK (Linux)

Integration with SGDK is not 100% seamless. Follow the steps below to integrate with SGDK.

• Extract the archive containing the m68k-elf development tools
• Setup your path to include <installdir>/m68k-elf/bin (extracted from the tool archive)
• Set the PREFIX environment variable to m68k-elf-
• Build sjasm and bintos
  • From the checked out repo.

  make -C tools/sjasm/src/
  cp tools/sjasm/src/sjasm bin/
  cmake -S tools/bintos/src -B tools/bintos/build
  cmake --build tools/bintos/build/
  cp tools/bintos/build/bintos bin/