m68k-elf Toolset

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

• GCC 13.2.0
• GDB 13.2
• Newlib 4.3.0.20230120

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

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)
• Remove the existing tool binaries from the SGDK directory listed below

bin/ar.exe bin/as.exe bin/cc1.exe bin/cpp.exe bin/gcc.exe bin/gdb.exe bin/ld.exe bin/libgcc_s_dw2-1.dll bin/libgmp-10.dll bin/libiconv-2.dll bin/liblto_plugin-0.dll bin/libmpc-3.dll bin/libmpfr-4.dll bin/lto-wrapper.exe bin/lto1.exe bin/nm.exe bin/objcopy.exe bin/objdump.exe bin/size.exe lib/libgcc.a

• Set the PREFIX environment variable to m68k-elf-
• Copy these files to your SGDK directory