Runtime Libraries

Every ColdFire project must include a runtime library, which provides basic runtime support, basic initialization, system startup, and the jump to the main routine. RAM-based debug is the primary reason behind runtime-library development for ColdFire boards, so you probably must modify a library for your application.

Find your setup and then include the appropriate runtime library file:

• For a C project, use the file that starts with C_.
• For a C++ project, use the file that starts with Cpp_.
• All these files are in folder: \ColdFire_Support\Runtime\Runtime_ColdFire.
  Note: ABI corresponds directly to the parameter-passing setting of the ColdFire Processor Settings panel (Standard, Compact or Register). If your target supports floating points, you should use an FPU-enabled runtime library file.

The topics covered here are as follows:

• Position-Independent Code
  
• Board Initialization Code
  
• Custom Modifications