ncsim: Unable to load the default library libdpi

[felixsh]

Hello,

We have an error in Cadence with UVM compilation of Hello World example,

ncsim: *F,NOLWSV: Searching for import subroutine "uvm_hdl_deposit" in default library libdpi. Unable to load the default library libdpi

Can you help us with solving the problem?

[KathleenMeade]

Hello, I'm not sure what issue you are having without more details. Can you let us know which version of IUS you are running? Also - if you have set UVM_HOME to something? The easiest way to run is to try this:

% irun -uvm hello_world.sv

Does that work?

Kathleen

[uwes]

this only happens if you compile in the old 3step mode (ncvlog/ncelab/ncsim) and you miss to supply the shared libraries (either the precompiled libuvmdpi.so, libuvmpli.so) or if you compile the dpi code yourself and forgot the -sv_lib ..../yourlib.so

(btw the right set of switches are in another post here in the forum, search for "loadpli")

much simpler is the invocation using "irun -uvmhome <your-uvm> ...."

/uwe

[George]

Hello,

 

I am using the 3step mode (ncvlog/ncelab/ncsim). I am also getting this same error. I understood the addition of the precompiled libuvmdpi.so. I am not adding the libuvmdpi.so because I am compiling the full source code of "uvm_pkg" .  Is it mandatory to add the libuvmdpi.so even if I am compiling the full source for "uvm_pkg" ?

[George]

Well, that particular error is gone when I defined the following

+define+UVM_NO_DPI 

 

check this file for reference: uvm-1.1d/src/dpi/uvm_dpi.svh

 

I guess the function uvm_hdl_deposit has to do something with C library. No sure if the define will cause some other example not to work.

Thanks

[uwes]

depending upon your uvm version you have to add libuvmdpi.so ( and eventually libuvmpli.so ) since they contain the precompiled uvm dpi c-code. if you compile this code yourself then you dont have to supply the libraries.

 

/uwe