When an EDP processor block is configured for HDL netlisting and saved as .slx format, if "Generate" HDL Netlist is started in the System Generate block, the following error occurs:
The imported XPS project (c:/test/microblaze.mdl/XPS/system.xmp) cannot be found
Error occured during "HDL Netlist Configuration"
This is a known issue with the EDK Processor block in System Generator models that are saved as .slx format.
To work around this issue, you have to save the models which use the EDK Processor Block in this configuration in .mdl format (instead of the default .slx format) starting from R2012a.
The same model works if it is saved as .mdl file, instead of .slx file.
You can change the format settings under: MATLAB/File/Preferences/Simulink/Launch Simulink Preferences/Simulinkn EDK generated pcore.
Preferences/File format for new models and libraries: slx/mdl (slx is default) to mdl.