Failed to find SDF file “x'x'x_vhd.sdo”

匿名 (未验证) 提交于 2019-12-03 00:40:02

引用自 https://alteraforum.com/forum/showthread.php?t=55091

Question:

I wanted to run timing simulation for a multiplier i designed. However after successful functional simulation, the tool is giving an error while running timing simulation i.e:

Error (suppressible): (vsim-SDF-3196) Failed to find SDF file “Karatsuba_vhd.sdo”.
vsim -novopt -c -t 1ps -sdfmax Karatsuba_vhd_vec_tst/i1=Karatsuba_vhd.sdo -L cyclonev -L altera -L altera_mf -L 220model -L sgate -L altera_lnsim work.Karatsuba_vhd_vec_tst
Error loading design
Error loading design

Please let me know what can be done.

Answer:

From the Error message it looks like you are missing the .sdo file.

What device are you targeting ?

Gate-level timing simulation is supported only for the Arria II GX/GZ,Cyclone IV, MAX
II, MAX V, and Stratix IV device families.. Use Timing Analyzer static timing analysis
rather than gate-level timing simulation.

Ref:
https://www.altera.com/en_US/pdfs/li…s-handbook.pdf
Page 1466

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