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Altera_Forum
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22 years ago

Instruction simulator exception

When running a simple program (it prints a few things to stdout) in the Nios II instruction simulator, I see the following console output near the end of the expected output: COSIM: Internal Er...
Altera_Forum's avatar
Altera_Forum
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22 years ago

yossarian,

Running your program appears to be generating an internal error in the ISS, hence the unhandled exception error message.

Could you try running the canned hello-world example using an altera-provided ptf file eg. /altera/kits/nios2/examples/verilog/stratix_1s10/fast/fast_1s10.ptf to see if that works.

It may be the case that your software is inadvertently accessing a peripheral in your system, which is unsupported, thus exposing a bug which is generating the internal error.