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Altera_Forum's avatar
Altera_Forum
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14 years ago

NIOS simulation in Modelsim

Hi! My boss asked me to put together a NIOS system and simulate it successfully in Modelsim, and then show him how to do it. I was able to get the "Hello World" example to work (only when the ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Got it to work. Turned on the small C library and changed the NIOS so that it didn't have a cache. This made it easier to track each instruction in modelsim. Disabling the full C library made the sim run faster. Evidently the processor takes quite a while in simulation to boot up and load the necessary data, so changing settings to speed up this process works better. For simulation purposes on larger designs in the future I think that I'll have to simulate it overnight and optimizing the sim so that it won't take forever.