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Altera_Forum
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9 years ago

Quartus II generates empty tdf file, then fails

Hi, when I try to synthesize my design in Quartus II 15.0 the process fails with the error "Text Design File must contain a Subdesign and Logic Section". The file name is cmpr_xxx.tdf where...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Hi Alex,

thanks for your reply. My design source is a Qsys system. I haven't added the AHDL file manually. I assume it is generated by Quartus as it is located in the "db" folder of my project and is regenerated when I delete this folder and restart compilation. Additionally, its file name changes every time. I tried to understand where this component is required and I think it is used in the ALTSHIFT_TAPS component as shown in the following screenshot

https://www.alteraforum.com/forum/attachment.php?attachmentid=12212

I also regenerated the associated IP core FShiftReg but without success.