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originally posted by shmueld@May 16 2006, 05:10 PM
i have an interesting problem. i have designed a nios system that i have implemented onto a custom boad. i have written a simple frimware program to check parts of the system. when i execute the firmware using the debug download of the ide i get all the expected writes. however when i execute the firmware using the "run" download a lot of the writes are missed. i thought this may be related to some sort of configuration of the ide. however when i downloaded my code to the epcs and ran from there on a reset i got the same results !?
i found this bug both when writing to my dual port ram (via a custom component) and also my logic interface (via a custom component)!
does anyone has any suggestion ?
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Try to use a NIOS without caches - if it then works you should check your hardware access commands (always use IO commands to access hardware and not C pointers).
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