Windows/Cygwin: Nios II Processor Generation Failure

Description

You might see the following error message when you generate your Nios II system in SOPC Builder:

Error: Generator program for module 'cpu_fpoint' did NOT run successfully

This error might occur on a Windows-based system when all of the following conditions are true:

• You have installed a version of Cygwin other than the one distributed with the Quartus II software.You launch the Quartus II software and SOPC Builder from a Nios II Command Shell.You enable the floating point custom instruction (FPCI) in the Nios II processor core.

Resolution

Launch the Quartus II software and SOPC Builder from the Windows Start menu, and regenerate your system.