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Altera_Forum's avatar
Altera_Forum
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21 years ago

ROM initialisation

Hello, I created a SOPC-builder module with an on-chip ROM component. This ROM should be instantiated with the content of on_chip_rom.hex, that is in the Quartus directory and contains just 0...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Hi damc,

my design uses intern ROM to store a 'parking code' while system RAM is overwritten. I also set up an array with __attribute__((.section)). But if you never use this code or data in another module, it is optimized away and preset with zeros. Make a dummy call in any module to this section or anything else that signals the compiler: this data is used.

After your hex-file is created, you must compile your cpu with SOPC builder to implement this data in your design.

Mike

edit: (... same tip at same time)