RTEMS Porting Guide
When porting RTEMS to a new CPU architecture, one will have to have a development environment including compiler, assembler, linker, and debugger. The GNU development tool suite used by RTEMS supports most modern CPU families. Often all that is required is to add RTEMS configurations for the target CPU family. RTEMS targets for the GNU tools usually start life as little more than aliases for existing embedded configurations. At this point in time, ELF is supported on most of the CPU families with a tool target of the form CPU-elf. If this target is not supported by all of the GNU tools, then it will be necessary to determine the configuration that makes the best starting point regardless of the target object format.
Porting and retargetting the GNU tools is beyond the scope of this manual. The best advice that can be offered is to look at the existing RTEMS targets in the tool source and use that as a guideline.
RTEMS Porting Guide
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