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Altera_Forum's avatar
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

there was a problem with the shutdown code for the iss because it didn't handle the 2 top-level clock ports in the user-logic module correctly.

For a quick workaround to get rid of the error, remove the 2 top level clocks for the user logic module (sclk and clk). As mentioned above though, this internal error doesn't affect program execution, and can be safely ignored.

Fixed in a future release. Not the next one, but the one after.